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CN104848507A - Cleaning method and cleaning device of air conditioner - Google Patents

Cleaning method and cleaning device of air conditioner Download PDF

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Publication number
CN104848507A
CN104848507A CN201510216562.4A CN201510216562A CN104848507A CN 104848507 A CN104848507 A CN 104848507A CN 201510216562 A CN201510216562 A CN 201510216562A CN 104848507 A CN104848507 A CN 104848507A
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CN
China
Prior art keywords
conditioner
air
temperature
heat exchanger
cleaning procedure
Prior art date
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Granted
Application number
CN201510216562.4A
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Chinese (zh)
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CN104848507B (en
Inventor
张明杰
于世鹏
张飞
程永甫
刘聚科
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Priority to CN201510216562.4A priority Critical patent/CN104848507B/en
Publication of CN104848507A publication Critical patent/CN104848507A/en
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Publication of CN104848507B publication Critical patent/CN104848507B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/228—Treatment of condensate, e.g. sterilising

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides a cleaning method and cleaning device of an air conditioner. The cleaning method comprises the steps of utilizing a heat exchanger in the air conditioner to condense water vapor in the air conditioner into liquid water, removing dirt adhered to the surface of the heat exchanger, judging whether the air conditioner meets the trigger condition of cleaning procedure execution or not before the cleaning procedure execution, and if the air conditioner meets the trigger condition of cleaning procedure execution, executing the cleaning procedure by adopting processing strategies corresponding to the operation working conditions according to the current operation working conditions. The current operation working conditions of the air conditioner are monitored, corresponding cleaning strategies are respectively taken according to different operation working conditions, and accordingly the cleaning effects of the different operation working conditions are met.

Description

A kind of clean method of air-conditioner and cleaning device
Technical field
The present invention relates to air conditioner technical field, especially relate to a kind of clean method and cleaning device of air-conditioner.
Background technology
In the process of operation of air conditioner, the surface of heat exchanger can accumulate dust and dirt, and these dust and dirt can reduce the heat exchange property of heat exchanger on the one hand, and the easy breed bacteria of another aspect, formation spot are mould, and these bacteriums and the mould meeting of spot produce peculiar smell in unit.
At present, process the problems referred to above can be solved by two kinds of modes, and first kind of way is adding dust cleaner, such as, utilize nozzle to be removed by dust and dirt to heat exchanger surface expulsion pressure gas, but this mode cost is high, volume large, add difficulty, is not suitable for air-conditioner; The second way utilizes heat exchanger when using as evaporimeter, utilize the condensed water formed to take away the dust and dirt of heat exchanger surface, this method can accomplish automated cleaning, but due to the impact of the environment temperature in air-conditioner, cleaning effect is undesirable, only accomplishes local cleaning effect.
In prior art, in the process that air-conditioner cooling condition runs, the surface of heat exchanger can accumulate dust and dirt, and these dust and dirt can reduce the heat exchange property of heat exchanger on the one hand, the easy breed bacteria of another aspect, formation spot are mould, and these bacteriums and the mould meeting of spot produce peculiar smell in device.In prior art when air-conditioner carries out freezing or dehumidify running, the heat exchanger of its inside uses as evaporimeter, heat exchanger is by the heat trnasfer of refrigerant, the surface temperature of heat exchanger is reduced, steam now in indoor set can be condensed into aqueous water (i.e. condensed water), and the part surface of heat exchanger can adhere to by the condensed water of formation, is affected by gravity, flow downward, collected by the drip tray being arranged on heat exchanger bottom.But said method is uneven for the surface cleaning of heat exchanger, and the condensed water that formed may be caused not enough, and carry out heat and blow to run time, indoor heat exchanger cannot produce condensed water, causes the dust and dirt of heat exchanger surface to be eliminated.
Summary of the invention
An object of the present invention is to provide a kind of clean method of air-conditioner, to solve the problem that clean difficulty is large, cleaning effect is undesirable realizing heat exchanger of the prior art.
In some illustrative embodiment, the clean method of described air-conditioner, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, the dirt removal on the surface of described heat exchanger will be attached to, before execution cleaning procedure, also comprise: judge whether described air-conditioner meets the trigger condition performing described cleaning procedure: if meet, then current according to described air-conditioner operating condition performs described cleaning procedure according to the processing policy corresponding with this operating condition.
Another object of the present invention is the cleaning device providing a kind of air-conditioner.
In some illustrative embodiment, the cleaning device of described air-conditioner, based on the heat exchanger utilized in air-conditioner, the water vapor condensation in air-conditioner is become aqueous water, the dirt removal on the surface of described heat exchanger will be attached to, comprise: judge module, for judging whether described air-conditioner meets the trigger condition performing described cleaning procedure: cleaning module, for when meeting described trigger condition, the operating condition current according to described air-conditioner performs described cleaning procedure according to the processing policy corresponding with this operating condition.
Compared with prior art, illustrative embodiment of the present invention comprises following advantage:
The present invention, by monitoring the current operating condition of air-conditioner, carries out corresponding clean strategy respectively for different operating conditions, thus ensures the cleaning effect being satisfied with different operating condition.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to illustrative embodiment of the present invention;
Fig. 2 is the flow chart according to illustrative embodiment of the present invention;
Fig. 3 is the flow chart according to illustrative embodiment of the present invention;
Fig. 4 is the flow chart according to illustrative embodiment of the present invention;
Fig. 5 is the flow chart according to illustrative embodiment of the present invention;
Fig. 6 is the flow chart according to illustrative embodiment of the present invention;
Fig. 7 is the structured flowchart according to illustrative embodiment of the present invention;
Fig. 8 is the structured flowchart according to illustrative embodiment of the present invention;
Fig. 9 is the structured flowchart according to illustrative embodiment of the present invention;
Figure 10 is the structured flowchart according to illustrative embodiment of the present invention.
Detailed description of the invention
In the following detailed description, a large amount of specific detail is proposed, so that provide thorough understanding of the present invention.But, person of skill in the art will appreciate that, also can implement the present invention even without these specific detail.In other cases, do not describe well-known method, process, assembly and circuit in detail, in order to avoid affect the understanding of the present invention.
For the ease of understanding the illustrative embodiment in the present invention faster, at this, main thought of the present invention is briefly described:
Embodiment 1
The present invention is analyzed by the every influence factor affecting condensed water formation, by environment temperature and ambient humidity determination heat exchanger itself under the present circumstances for the Optimal Temperature of condensed steam, again with the adjustment of the rotating speed of the blower fan to indoor set, realize the heating and cooling of heat exchanger, the actual temperature of heat exchanger is maintained the Optimal Temperature analyzed, to form the cleaning effect that enough condensed waters ensure the dust and dirt on heat exchanger surface, and minimum energy consumption, accomplish economize energy resource.
A kind of flow chart cleaning air-conditioner based on wind speed adjustment collection condensed water is shown referring now to Fig. 1, Fig. 1.
As shown in Figure 1, disclose a kind of adjustment based on wind speed and collect the method that condensed water cleans air-conditioner, comprising: utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, will the dirt removal on the surface of described heat exchanger be attached to, in the process, also comprise:
S11, according to the current environment temperature of described air-conditioner and ambient humidity, determine the surface temperature of described heat exchanger for condensed steam, as preferred temperature;
Wherein, ambient humidity is the relative humidity detected, the preferred temperature determined can be a temperature spot such as x DEG C, also can be a temperature range such as [y DEG C, z DEG C], y<z.
S12, by regulating the rotating speed of the blower fan in described air-conditioner, the temperature of described heat exchanger being regulated and maintains described preferred temperature.
Wherein, by the current actual temperature of Real-Time Monitoring heat exchanger in this process, two regulation strategies can be comprised, one is the adjustment when the actual temperature of monitoring out is greater than preferred temperature, the temperature of heat exchanger is declined, two is the adjustments when the actual temperature of monitoring out is less than preferred temperature, and the temperature of heat exchanger is raised; In addition, the 3rd regulation strategy can also be comprised, the adjustment namely when the actual temperature of monitoring out meets the requirement of preferred temperature, the temperature of heat exchanger is remained unchanged.
The present invention on the impact of dew point by analysis environments temperature and ambient humidity, is determined the optimum temperature of heat exchanger under current environment, removes the dust and dirt of heat exchanger surface with the condensed water obtaining q.s.And when the actual temperature of heat exchanger and optimum temperature are not inconsistent, utilize the adjustment to rotation speed of fan, realize rising or the decline of heat exchanger temperature, the temperature of heat exchanger is maintained the optimum temperature determined, reach automated cleaning and the Automatic adjusument of heat exchanger, and ensure that the cleaning effect of heat exchanger.
The dew-point temperature of the indication in some illustrative embodiment in the present invention refers to that the steam under current environment in air-conditioner is converted to the temperature required for aqueous water.The difference of dew-point temperature is caused due to reasons such as the pressure size in environment, temperature level, humidity sizes, therefore need to carry out analysis to the dew-point temperature under current environment to determine, in addition, for user, atmospheric pressure in its surrounding air is comparatively stable, therefore for impact mainly environment temperature and the ambient humidity of dew-point temperature.
In some illustrative embodiment, the environment temperature current according to air-conditioner and ambient humidity, determine the preferred temperature of described heat exchanger, specifically comprise:
S21, according to the current environment temperature of air-conditioner and ambient humidity, analyze the dew-point temperature under current environment;
Dew-point temperature can determine described dew-point temperature according to following formula:
t＝U(A+BT)+CT-D
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, and A, B, C, D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.Preferably, the span of the first adjustment factor, the second adjustment factor, the 3rd adjustment factor is all between 0 ~ 1, minimum reduction error amount, and such as the first adjustment factor is the 0.198, second adjustment factor be the 0.0017, three adjustment factor is 0.84; In addition, the span of the 4th adjustment factor between 15 ~ 25, such as, can select 19.2.
In addition, ambient humidity can be carried out detection and obtain by the humidity sensor arranged, if this air-conditioner is not provided with humidity sensor, can calculate, to guarantee the abundance of condensed water generation according to the minimum humidity of most environment.Such as when indoor temperature T >=26 DEG C, U calculates according to 40%, and as indoor temperature T < 26 DEG C, U calculates according to 30%.
S22, with the described dew-point temperature analyzed, determine the preferred temperature of described heat exchanger.
By the dew-point temperature under environment temperature and ambient humidity determination current environment, then with the preferred temperature of the dew-point temperature determination heat exchanger calculated, the preferred temperature of the heat exchanger obtained can be ensured accurately and reliably, and then suitable condensed water is measured in acquisition.
In some illustrative embodiment, with the described dew-point temperature analyzed described in step S22, determine the preferred temperature of described heat exchanger, specifically comprise:
Described preferred temperature is determined according to following formula:
Teva＝t-Δt
Wherein, described Teva is the preferred temperature of described heat exchanger, and t is dew-point temperature, and Δ t is the expectation temperature difference of dew-point temperature and heat exchanger.
Preferably, described dew-point temperature and the expectation temperature difference of heat exchanger are that setting value or mate in the heat transfer temperature difference table preset according to described environment temperature obtains;
Consider heat exchange situation generally, the selection range of the expectation temperature difference of described dew-point temperature and heat exchanger is between 3 DEG C ~ 15 DEG C.Preferably, the expectation temperature difference of described dew-point temperature and heat exchanger is chosen for 8 DEG C, expects that the temperature difference is considered to stable value in uniform temperature deviation range.
In addition, by mating the mode of the heat transfer temperature difference of acquisition in heat transfer temperature difference table, heat transfer temperature difference is such as shown in table 1:
Table 1: heat transfer temperature difference table
Environment temperature (unit: DEG C) Expect the temperature difference (unit: DEG C) Stablize deviation range (unit: DEG C)
>30 6 ±2℃
20～30 8 ±2℃
5～20 10 ±2℃
<5 12 ±2℃
In some illustrative embodiment, described by regulating the rotating speed of the blower fan in described air-conditioner, the temperature of described heat exchanger regulated and maintains described preferred temperature, specifically comprising:
Magnitude relationship between the actual temperature current according to the described heat exchanger detected and described preferred temperature, triggers one of following regulation strategy:
1) if described actual temperature exceeds described preferred temperature, the rotating speed of described blower fan is reduced; Further, if this regulation strategy also can be adjusted to described actual temperature when exceeding described preferred temperature certain limit, the rotating speed of described blower fan is reduced; Such as actual temperature T 1when exceeding preferred temperature Teva+a, reduce the rotating speed of described blower fan;
2) if described actual temperature is lower than described preferred temperature, the rotating speed of described blower fan is promoted; Further, if when this regulation strategy also can be adjusted to described actual temperature lower than described preferred temperature certain limit, promote the rotating speed of described blower fan; Such as actual temperature T 1during lower than preferred temperature Teva-b, promote the rotating speed of described blower fan;
Wherein, a with b can be identical, also can be different;
In some illustrative embodiment, described preferred temperature is range intervals, also comprises regulation strategy:
3) if described actual temperature is between the range intervals of described preferred temperature, the current rotating speed of described blower fan is maintained.Such as actual temperature T 1time between preferred temperature Teva-b ~ Teva+a, keep the current rotating speed of blower fan;
The actual temperature T of above-mentioned heat exchanger 1real-Time Monitoring acquisition can be carried out by set temperature sensor on heat exchangers.
By above-mentioned Automatic adjusument, can ensure that air-conditioner completes voluntarily and actual temperature is adjusted to preferred temperature, realize automatically regulating and ensureing cleaning effect.
In some illustrative embodiment, the operation of the rotating speed of the described blower fan of described reduction and/or the rotating speed of the described blower fan of described lifting is that discontinuous carries out at a certain time interval.
Such as: after entering cleaning procedure, the blower fan of indoor set runs such as 600rpm with lower rotating speed, and the actual temperature of Real-Time Monitoring heat exchanger, now:
1) if the actual temperature of heat exchanger is greater than the preferred temperature analyzed, then every 30s, adjustment of once lowering the temperature, reduces 30rpm by the rotation speed of fan of indoor set;
2) if the actual temperature of heat exchanger is less than the preferred temperature analyzed, then every 30s, once heat up adjustment, and the rotation speed of fan of indoor set is promoted 30rpm;
3) if the actual temperature of heat exchanger is in the range intervals of the preferred temperature analyzed, then this rotating speed is maintained constant.
Exist in some illustrative embodiment, regulated in the process of the temperature of described heat exchanger by the compressor in described air-conditioner, also comprise the temperature of heat exchanger described in the Fan Regulation in air-conditioner, the rotating speed of the blower fan in described air-conditioner is between 200rpm to 1300rpm.
Wherein, the rotating speed of the blower fan in described air-conditioner is not less than 200rpm, and the aqueous water be condensed into avoid entering the vaporous water in described air-conditioner is not enough to remove the dirt of described heat exchanger surface; The rotating speed of the blower fan in described air-conditioner not higher than 1300rpm, with avoid produce noise.In addition, the rotating speed of the blower fan in described air-conditioner is different according to blower fan form, rotating speed difference is set.The rotating speed of hanger axial-flow fan between 400rpm-1300rpm, cabinet-type air conditioner centrifugal fan 200rpm-600rpm.
In some illustrative embodiment, in process by the temperature of heat exchanger described in the Fan Regulation in described air-conditioner, also comprise: if when the temperature of described heat exchanger is within a certain period of time all the time lower than 0 DEG C, the compressor a period of time in this air-conditioner out of service, defrost.
Such as after entering cleaning procedure, adjust operation is carried out according to above-mentioned three kinds of regulation strategies, but after heat exchanger is in less than 0 DEG C certain hour, steam directly can be condensed into frost, therefore when the temperature of heat exchanger exceedes certain hour (such as 4 ~ 8min is preferably 5min) lower than 0 DEG C, compressor operating a period of time (such as 1 ~ 4min need be stopped, be preferably 2min), indoor fan continues to run, and frost is turned to water.
Embodiment 2
The present invention is analyzed by the every influence factor affecting condensed water formation, by environment temperature and ambient humidity determination heat exchanger itself under the present circumstances for the Optimal Temperature of condensed steam, again with the adjustment of the compressor rotary speed (i.e. the running frequency of compressor) to indoor set, realize the heating and cooling of heat exchanger, the actual temperature of heat exchanger is maintained the Optimal Temperature analyzed, to form the cleaning effect that enough condensed waters ensure the dust and dirt on heat exchanger surface, and minimum energy consumption, accomplish economize energy resource.
A kind of flow chart cleaning air-conditioner based on compressor rotary speed adjustment collection condensed water is shown referring now to Fig. 3, Fig. 3.。
As shown in Figure 3, disclose a kind of adjustment based on compressor rotary speed and collect the method that condensed water cleans air-conditioner, comprise: utilize the heat exchanger in air-conditioner that the vaporous water in air-conditioner is condensed into aqueous water, to the dirt removal on the surface of described heat exchanger be attached to, become the step of described aqueous water to comprise described moisture condensation:
S31, according to the current environment temperature of described air-conditioner and ambient humidity, determine the surface temperature of described heat exchanger for condensation, as preferred temperature;
Wherein, ambient humidity is the relative humidity detected, the preferred temperature determined can be a temperature spot such as x DEG C, also can be a temperature range such as [y DEG C, z DEG C], y<z.
S32, the compressor rotary speed passed through in the described air-conditioner of adjustment, regulate the temperature of described heat exchanger and maintain described preferred temperature.
Wherein, this process, by the current actual temperature of Real-Time Monitoring heat exchanger, can comprise two regulation strategies, and one is the adjustment when the actual temperature of monitoring out is greater than preferred temperature, and the temperature of heat exchanger is declined; Two is the adjustments when the actual temperature of monitoring out is less than preferred temperature, and the temperature of heat exchanger is raised.The 3rd regulation strategy can also being comprised in addition, when monitoring out adjustment when actual temperature meets preferred temperature requirement, the temperature of heat exchanger being remained unchanged.
The present invention is by analysis environments temperature and ambient humidity on the impact of dew point, and determine the optimum temperature of heat exchanger under current environment, the condensed water obtaining q.s removes the dust and dirt of heat exchanger surface.And when the actual temperature of heat exchanger and optimum temperature are not inconsistent, utilize the adjustment to compressor rotary speed, realize rising or the decline of heat exchanger temperature, the temperature of heat exchanger is maintained the optimum temperature determined, reach automated cleaning and the Automatic adjusument of heat exchanger, and ensure that the cleaning effect of heat exchanger.
The dew-point temperature of the indication in some illustrative embodiment in the present invention refers to that the steam under current environment in air-conditioner is converted to the temperature required for aqueous water.The difference of dew-point temperature is caused due to reasons such as the pressure size in environment, temperature level, humidity sizes, therefore need to carry out analysis to the dew-point temperature under current environment to determine, in addition, for user, atmospheric pressure in its surrounding air is comparatively stable, therefore for impact mainly environment temperature and the ambient humidity of dew-point temperature.
In some illustrative embodiment, as shown in Figure 2, the environment temperature current according to air-conditioner and ambient humidity, determine the preferred temperature of described heat exchanger, specifically comprise:
S21, according to the current environment temperature of air-conditioner and ambient humidity, analyze the dew-point temperature under current environment;
Dew-point temperature can be determined according to following formula:
t＝U(A+BT)+CT-D
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, and A, B, C, D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.Preferably, the span of the first adjustment factor, the second adjustment factor, the 3rd adjustment factor is all between 0 ~ 1, minimum reduction error amount, such as the first adjustment factor is 0.198, second adjustment factor is 0.0017,3rd adjustment factor is 0.84, and it is 19.2 that other 4th adjustment factor can be selected.
In addition, ambient humidity can be carried out detection and obtain by the humidity sensor arranged, if this air-conditioner is not provided with humidity sensor, can calculate, to guarantee that condensed water produces according to the minimum humidity of most environment.Such as can carry out following setting to air-conditioner: when indoor temperature T >=26 DEG C, U calculates according to 40%, and as indoor temperature T < 26 DEG C, U calculates according to 30%.
S22, with the described dew-point temperature analyzed, determine the preferred temperature of described heat exchanger.
By the dew-point temperature under environment temperature and ambient humidity determination current environment, calculate the preferred temperature of heat exchanger, the preferred temperature ensureing the heat exchanger calculated accurately and reliably, obtains the condensed water of aequum.
In some illustrative embodiment, with the described dew-point temperature analyzed described in step S22 as shown in Figure 2, determine the preferred temperature of described heat exchanger, described preferred temperature is determined according to following formula:
Teva＝t-Δt
Wherein, described Teva is the preferred temperature of described heat exchanger, and t is described dew-point temperature, and Δ t is the expectation temperature difference of dew-point temperature and described heat exchanger.
Described dew-point temperature and the expectation temperature difference t of described heat exchanger are that setting value or mate in the heat transfer temperature difference table preset according to described environment temperature obtains; Generally, it is 3 DEG C to 15 DEG C between the expectation temperature difference t selection area of dew-point temperature and described heat exchanger.Preferably, the expectation temperature difference t of dew-point temperature and described heat exchanger is 8 DEG C.
In addition, dew-point temperature selects different values at different temperatures from the expectation temperature difference t of described heat exchanger, by the heat transfer temperature difference table in embodiment 1 shown in table 1, can be mated the expectation temperature difference t of dew-point temperature and described heat exchanger by environment temperature.
In some illustrative embodiment, by regulating the operating frequency of the compressor in described air-conditioner, the temperature of described heat exchanger being regulated and maintain described preferred temperature, specifically comprising:
The initial speed of described compressor is determined according to following formula:
P1＝P0(1-k(35-Tw)/35)
Wherein, P0 is for presetting fundamental frequency; P1 is compressor initial speed; Tw is outdoor environment temperature; K is design factor.Described design factor selection range is between 0.5 ~ 1.Preferably, described design factor is chosen for 0.7.
Following setting can be carried out to it for air-conditioner: the default fundamental frequency P0 of setting compressor is 80Hz, if when outdoor environment temperature Tw is more than or equal to 35 DEG C, calculate by 35, when being less than or equal to 10 DEG C, calculate by 10.
In some illustrative embodiment, the described compressor rotary speed by regulating in described air-conditioner, regulates the temperature of described heat exchanger and maintains described preferred temperature, specifically comprising:
Magnitude relationship between the actual temperature current according to the described heat exchanger detected and described preferred temperature, triggers one of following regulation strategy:
1) if when described actual temperature exceeds described preferred temperature or exceeds described preferred temperature certain limit, promote described compressor rotary speed;
2) if when described actual temperature is lower than described preferred temperature or lower than described preferred temperature certain limit, reduce described compressor rotary speed;
3) if described actual temperature when the range intervals of described preferred temperature, maintains the current rotating speed of described compressor.
Wherein, the actual temperature of above-mentioned heat exchanger carries out Real-Time Monitoring acquisition by the temperature sensor that heat exchanger is arranged.By above-mentioned adjustment, ensure that air-conditioner completes the adjustment of the actual temperature of heat exchanger to preferred temperature voluntarily, realize automatically regulating, ensure clean effect.
In some illustrative embodiment, the operation of the described compressor rotary speed of described reduction and/or the described compressor rotary speed of described lifting is that discontinuous carries out at a certain time interval.
Wherein, after air-conditioner enters condensation water collection program, air-conditioner carries out refrigerating operaton, take rotation speed of fan as 600rpm, compressor predeterminated frequency for 80Hz be example, if the actual temperature of heat exchanger is greater than the preferred temperature analyzed, then every 30s, carry out a temperature and regulate, compressor frequency raises 1Hz; If the actual temperature of heat exchanger is less than the preferred temperature analyzed, then every 30s, compressor frequency reduces 1Hz; If the actual temperature of heat exchanger is in the range intervals of the preferred temperature analyzed, compressor frequency is constant.
Exist in some illustrative embodiment, regulated in the process of the temperature of described heat exchanger by the compressor in described air-conditioner, also comprise the temperature of heat exchanger described in the Fan Regulation in air-conditioner, the rotating speed of the blower fan in described air-conditioner is between 200rpm to 1300rpm.
Wherein, the rotating speed of the blower fan in described air-conditioner is not less than 200rpm, and the aqueous water be condensed into avoid entering the vaporous water in described air-conditioner is not enough to remove the dirt of described heat exchanger surface; The rotating speed of the blower fan in described air-conditioner not higher than 1300rpm, with avoid produce noise.In addition, the rotating speed of the blower fan in described air-conditioner is different according to blower fan form, rotating speed difference is set.The rotating speed of hanger axial-flow fan between 400rpm-1300rpm, cabinet-type air conditioner centrifugal fan 200rpm-600rpm.
In some illustrative embodiment, regulated by the compressor in described air-conditioner in the process of the temperature of described heat exchanger, also comprise:
If when the temperature of described heat exchanger is within a certain period of time all the time lower than 0 DEG C, the compressor a period of time in described air-conditioner out of service, defrost.
Such as: the temperature of heat exchanger is when reaching 5 minutes lower than 0 DEG C, and vaporous water is directly condensed into frost, can compressor in described air-conditioner out of service 2 minutes, described blower fan continues to run, and frost is turned to water.
Wherein, the temperature of heat exchanger can be 4 ~ 8min lower than 0 DEG C, preferred 5min; Compressor 1 ~ 4min in described air-conditioner out of service, preferred 2min.
Embodiment 3
Based on embodiment 1 and 2, the present invention is analyzed by the every influence factor affecting condensed water formation, by environment temperature and ambient humidity determination heat exchanger itself under the present circumstances for the Optimal Temperature of condensed steam, again with to the compressor rotary speed of indoor set and the adjustment of rotation speed of fan, realize the heating and cooling of heat exchanger, the actual temperature of heat exchanger is maintained the Optimal Temperature analyzed, to form the cleaning effect that enough condensed waters ensure the dust and dirt on heat exchanger surface, and minimum energy consumption, accomplish economize energy resource.
Show a kind of heat-exchange temperature that controls referring now to Fig. 4, Fig. 4 and collect the flow chart that condensed water cleans air-conditioner.
As shown in Figure 4, disclose a kind of heat-exchange temperature that controls and collect the method that condensed water cleans air-conditioner, comprise: utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, to the dirt removal on the surface of described heat exchanger be attached to, become the step of described aqueous water to comprise described moisture condensation:
S41, according to the current environment temperature of described air-conditioner and ambient humidity, determine the surface temperature of described heat exchanger for condensation, as preferred temperature;
Wherein, produce condensed water directly related with the surface temperature of described heat exchanger, the surface temperature of getting condenser is preferred temperature.Ambient humidity is the relative humidity detected, the preferred temperature determined can be a temperature spot such as x DEG C, also can be a temperature range such as [y DEG C, z DEG C], y<z.
S42, by regulating the rotating speed of compressor rotary speed in described air-conditioner and blower fan, the temperature of described heat exchanger being regulated and maintains described preferred temperature.
Wherein, this process, by the current actual temperature of Real-Time Monitoring heat exchanger, can comprise two regulation strategies, and one is the adjustment when the actual temperature of monitoring out is greater than preferred temperature, and the temperature of heat exchanger is declined; Two is the adjustments when the actual temperature of monitoring out is less than preferred temperature, and the temperature of heat exchanger is raised.The 3rd regulation strategy can also being comprised in addition, when monitoring out adjustment when actual temperature meets preferred temperature requirement, the temperature of heat exchanger being remained unchanged.
The present invention is by analysis environments temperature and ambient humidity on the impact of dew point, and determine the optimum temperature of heat exchanger under current environment, the condensed water obtaining q.s in the short time removes the dust and dirt of heat exchanger surface.And when the actual temperature of heat exchanger and optimum temperature are not inconsistent, regulate while utilizing compressor rotary speed and rotation speed of fan, the rising of heat exchanger temperature or decline in short time, the temperature of heat exchanger is maintained the optimum temperature determined, reach rapidly automated cleaning and the Automatic adjusument of heat exchanger, and ensure that the cleaning effect of heat exchanger.
The dew-point temperature of the indication in some illustrative embodiment in the present invention refers to that the steam under current environment in air-conditioner is converted to the temperature required for aqueous water.The difference of dew-point temperature is caused due to reasons such as the pressure size in environment, temperature level, humidity sizes, therefore need to carry out analysis to the dew-point temperature under current environment to determine, in addition, for user, atmospheric pressure in its surrounding air is comparatively stable, therefore for impact mainly environment temperature and the ambient humidity of dew-point temperature.
In some illustrative embodiment, as shown in Figure 2, the environment temperature current according to air-conditioner and ambient humidity, determine the preferred temperature of described heat exchanger, specifically comprise:
S21, according to the current environment temperature of air-conditioner and ambient humidity, analyze the dew-point temperature under current environment;
Dew-point temperature can be determined according to following formula:
t＝U(A+BT)+CT-D
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, and A, B, C, D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.Preferably, the span of the first adjustment factor, the second adjustment factor, the 3rd adjustment factor is all between 0 ~ 1, minimum reduction error amount, and such as the first adjustment factor is the 0.198, second adjustment factor be the 0.0017, three adjustment factor is 0.84; In addition, the span of the 4th adjustment factor between 15 ~ 25, such as, can select 19.2.
Above-mentioned mentioned ambient humidity carries out monitoring by the humidity sensor arranged and obtains.If do not install humidity sensor, can calculate according to the minimum humidity of most environment, to guarantee the abundance of condensed water generation.Such as when indoor temperature T >=26 DEG C, U calculates according to 40%, and as indoor temperature T < 26 DEG C, U calculates according to 30%.
S22, with the described dew-point temperature analyzed, determine the preferred temperature of described heat exchanger.
By the dew-point temperature under environment temperature and ambient humidity determination current environment, calculate the preferred temperature of heat exchanger, the preferred temperature ensureing the heat exchanger calculated accurately and reliably, obtains the condensed water of aequum.
In some illustrative embodiment, as shown in Figure 2, with the described dew-point temperature analyzed described in step S62, determine the preferred temperature of described heat exchanger, described preferred temperature is determined according to following formula:
Teva＝t-Δt
Wherein, described Teva is the preferred temperature of described heat exchanger, and t is described dew-point temperature, and Δ t is the expectation temperature difference of dew-point temperature and described heat exchanger.
Described dew-point temperature and the expectation temperature difference t of described heat exchanger are that setting value or mate in the heat transfer temperature difference table preset according to described environment temperature obtains; Generally, it is 3 DEG C to 15 DEG C between the expectation temperature difference t selection area of dew-point temperature and described heat exchanger.Preferably, the expectation temperature difference t of dew-point temperature and described heat exchanger is 8 DEG C.
In addition, dew-point temperature selects different values at different temperatures from the expectation temperature difference t of described heat exchanger, by the heat transfer temperature difference table shown in embodiment table 1, can be mated the expectation temperature difference t of dew-point temperature and described heat exchanger by environment temperature.
In some illustrative embodiment, by regulating the operating frequency of the compressor in described air-conditioner, the temperature of described heat exchanger being regulated and maintain described preferred temperature, specifically comprising:
The initial speed of described compressor is determined according to following formula:
P1＝P0(1-k(35-Tw)/35)
Wherein, P0 is for presetting fundamental frequency; P1 is compressor initial speed; Tw is outdoor environment temperature; K is design factor.Described design factor selection range is between 0.5 ~ 1.Preferably, described design factor is chosen for 0.7.
Following setting can be carried out to it for air-conditioner: the default fundamental frequency P0 of setting compressor is 80Hz, if when outdoor environment temperature Tw is more than or equal to 35 DEG C, calculate by 35, when being less than or equal to 10 DEG C, calculate by 10.
In some illustrative embodiment, described by regulating the rotating speed of compressor rotary speed in described air-conditioner and blower fan, the temperature of described heat exchanger regulated and maintains described preferred temperature, specifically comprising:
Magnitude relationship between the actual temperature current according to the described heat exchanger detected and described preferred temperature, triggers one of following regulation strategy: described preferred temperature is range intervals;
If described actual temperature exceeds described preferred temperature, reduce the rotating speed of described blower fan and promote the rotating speed of heat exchanger;
If described actual temperature is lower than described preferred temperature, promotes the rotating speed of described blower fan and reduce the rotating speed of heat exchanger;
If described actual temperature is between the range intervals of described preferred temperature, maintain the current rotating speed of described blower fan and the rotating speed of heat exchanger.
Wherein, the actual temperature of above-mentioned heat exchanger carries out Real-Time Monitoring acquisition by the temperature sensor that heat exchanger is arranged.By above-mentioned adjustment, ensure that air-conditioner completes the adjustment of the actual temperature of heat exchanger to preferred temperature voluntarily, realize automatically regulating, ensure clean effect.
In some illustrative embodiment, the operation of the rotating speed of the described blower fan of described reduction and/or the rotating speed of the described blower fan of described lifting is that discontinuous carries out at a certain time interval.In like manner, the operation of described reduction compressor rotary speed and/or the described compressor rotary speed of described lifting also can be that discontinuous carries out at a certain time interval.
After air-conditioner enters condensation water collection program, air-conditioner carries out refrigerating operaton, take rotation speed of fan as 600rpm, compressor initial speed P1 is example, if the actual temperature of heat exchanger is greater than the preferred temperature analyzed, then every 30s, carry out a temperature to regulate, described compressor frequency raises 1Hz, and described rotation speed of fan reduces 30rpm; If the actual temperature of heat exchanger is less than the preferred temperature analyzed, then every 30s, compressor frequency reduces 1Hz, and described rotation speed of fan raises 30rpm; If the actual temperature of heat exchanger is in the range intervals of the preferred temperature analyzed, maintain the current rotating speed of compressor and the rotating speed of blower fan.
In some illustrative embodiment, in the process by the temperature of heat exchanger described in the Fan Regulation in described air-conditioner, the rotating speed of the blower fan in described air-conditioner is between 200rpm and 1300rpm.
Wherein, the rotating speed of the blower fan in described air-conditioner is different according to blower fan form, rotating speed difference is set.The rotating speed of such as hanger axial-flow fan can between 400rpm-1300rpm, and cabinet-type air conditioner centrifugal fan can between 200rpm-600rpm.
In some illustrative embodiment, by the blower fan in described air-conditioner, regulate in the process of the temperature of described heat exchanger, also comprise: if when the temperature of described heat exchanger is within a certain period of time all the time lower than 0 DEG C, compressor a period of time in this air-conditioner out of service, blower fan remains in operation, and carries out the defrosting of air-conditioner inside.
Wherein, the temperature of described heat exchanger can be set to 5 minutes lower than the time of 0 DEG C all the time; The time of the compressor in this air-conditioner out of service can be set to 2 minutes, and blower fan remains in operation, until the temperature of heat exchanger that the temperature sensor monitors that heat exchanger is arranged goes out is higher than 0 DEG C.
Embodiment 4
Based on above-described embodiment 1-3, the present invention, by monitoring the current operating condition of air-conditioner, carries out corresponding clean strategy respectively for different operating conditions, thus ensures the cleaning effect being satisfied with different operating condition.
Disclose a kind of clean method of air-conditioner referring now to Fig. 5, Fig. 5, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, will the dirt removal on the surface of described heat exchanger be attached to, before execution cleaning procedure, also comprise:
S51, judge that whether described air-conditioner meets the trigger condition performing described cleaning procedure:
If S52 meets, then current according to described air-conditioner operating condition performs described cleaning procedure according to the processing policy corresponding with this operating condition.
Wherein, the operating condition that described air-conditioner is current can be cooling condition, heating condition, air-supply operation, dehumidifying operation and holding state.
The present invention, by monitoring the current operating condition of air-conditioner, carries out corresponding clean strategy respectively for different operating conditions, thus ensures the cleaning effect being satisfied with different operating condition.
In some illustrative embodiment, describedly judge that whether described air-conditioner meets the trigger condition performing described cleaning procedure, specifically comprise: judge whether described air-conditioner receives the control instruction performing described cleaning procedure; If receive, then current according to described air-conditioner operating condition performs described cleaning procedure according to the processing policy corresponding with this operating condition.
Wherein, this control instruction can be that the infrared signal sent by the remote controller triggered by resolving user obtains, also can be receive the control instruction sent from terminal device, can also be that user triggers the respective keys on this air-conditioner or realizes the Macintosh triggering of this function.In addition, in order to avoid the adjustment of the significantly frequency of high frequent, arrange in the certain hour of air-conditioner after receiving control instruction (such as 3min), no longer receive control instruction, to protect compressor, avoid impaired.
In some illustrative embodiment, describedly judge that whether air-conditioner meets the trigger condition performing described cleaning procedure, specifically comprise: if accumulative the operation in certain hour of described air-conditioner does not carry out described cleaning procedure, then judge that this air-conditioner meets the trigger condition performing described cleaning procedure.
Wherein, if the current operating condition of air-conditioner is cooling condition, it has had the generation of condensed water in the process of refrigeration, there is certain cleaning effect, therefore, under cooling condition, it is long that accumulated running time of air-conditioner can be arranged, such as 70 ~ 100 hours.If the current operating condition of air-conditioner is heating condition, then under this operating condition, the time of the cooling condition that accumulated running time of air-conditioner is arranged is little, such as 24 hours.
In some illustrative embodiment, describedly judge the trigger condition whether air-conditioner meets described cleaning procedure, specifically comprise: judge whether described air-conditioner meets trigger condition corresponding to this operating condition under current operating condition; If meet, then current according to described air-conditioner operating condition performs described cleaning procedure according to the processing policy corresponding with this operating condition.
Wherein, described air-conditioner can be indoor set or off-premises station, and when air-conditioner is off-premises station, it realizes cleaning effect voluntarily under heating condition, when air-conditioner is indoor set; When the operating condition that described indoor set is current is heating condition, described trigger condition also at least comprises one of following:
1), whether off-premises station produces frost;
Wherein, when the surface temperature of outdoor heat exchanger meet Tc≤Tw-Δ t and Tc<0 DEG C of certain hour time, judge that described off-premises station produces described frost; Wherein, Tc is outdoor heat exchanger outlet temperature, and Tw is outdoor environment temperature, Δ t is the offset preset, between 5 ~ 10 DEG C.Preferably, this offset is chosen for 8 DEG C.
2), whether air-conditioner is performed power-off operation;
If so, then described cleaning procedure is performed according to the processing policy of described air-conditioner under heating condition.
Wherein, under cooling condition, only the trigger condition of the cleaning procedure of air-conditioner can be set to accumulated running time, under heating condition, indoor set is in the condition of high temperature, become easily infected by dust and dirt, therefore can using the trigger condition one of of the frosting of off-premises station as cleaning procedure, in addition, also can after user performs power-off operation to air-conditioner, first perform cleaning procedure, shut down voluntarily more afterwards.
In some illustrative embodiment, describedly perform described cleaning procedure according to the processing policy of described air-conditioner under heating condition, specifically comprise: described indoor set is switched to cooling condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, will the dirt removal on the surface of described heat exchanger be attached to.
In some illustrative embodiment, described cleaning procedure is performed according to the processing policy of described air-conditioner under cooling condition, specifically comprise: perform following operation at least one times: perform described cleaning procedure and run first time period, more normal refrigerating operaton second time period.Such as first perform cleaning procedure 3min, normally freeze (such as returning to the state performing cleaning procedure) 2min afterwards again.Again such as, first perform cleaning procedure 3min, normally freeze 2min afterwards again, again performs cleaning procedure 3min, and the 2min that normally freezes.Wherein, the running status of the compressor under cleaning procedure and normal refrigeration two patterns is different with the state of blower fan.
In some illustrative embodiment, in described cleaning procedure, also comprise: the environment temperature current according to described air-conditioner and ambient humidity, determine the surface temperature of described heat exchanger for condensation, as preferred temperature; By the operating frequency of the rotating speed and/or compressor that regulate the blower fan in described air-conditioner, the temperature of described heat exchanger is regulated and maintains described preferred temperature.
In some illustrative embodiment, perform at air-conditioner in the process of cleaning procedure, the wind deflector of air-conditioner is regulated and is in fashion upwards, avoid cold wind directly to blow user.
In some illustrative embodiment, air-conditioner be in that air-supply runs, dehumidifying runs and holding state time, this air-conditioner can be switched to cooling condition, and perform cleaning procedure under cooling condition, and then realize the clean of heat exchanger.
Embodiment 5
Based on above-described embodiment 1-4, the present invention is by determining that air-conditioner performs the instruction of user, and the every operational factor of air-conditioner when performing this instruction, meets the current demand of user while realization is cleaned.
A kind of clean flow chart of air-conditioner is shown referring now to Fig. 6, Fig. 6.
As shown in Figure 6, disclose a kind of clean method of air-conditioner, comprising:
S61, when air-conditioner meets the trigger condition of cleaning procedure, determine the current performed user instruction of air-conditioner;
S62, according to the current operational factor that cannot change of described user instruction determination air-conditioner, transfer regulation strategy and perform described cleaning procedure:
1), by the adjustment to air conditioner inner fan rotating speed;
2), by the adjustment to compressor rotary speed;
3), pass through the adjustment of air conditioner inner fan rotating speed and the adjustment of compressor rotary speed.
User is when operating air conditioner; often air-conditioner can be modulated to its current required configuration; therefore can be the current operational factor that cannot change by the configuration definition of these user's requests, by regulating other operational factor and then reaching the cleaning effect of heat exchanger.
Such as user, when operating air conditioner, is arranged the wind speed of air-conditioner, and air-conditioner is judged to be the current operational factor that cannot change from being about to wind speed, when meeting trigger condition, selects by realizing cleaning procedure to the adjustment of compressor rotary speed.
The structured flowchart of the device of the method realized in above-described embodiment 1 is shown referring now to Fig. 7, Fig. 7.
As shown in Figure 7, disclose a kind of adjustment based on wind speed and collect the device 100 that condensed water cleans air-conditioner, based on the heat exchanger utilized in air-conditioner, the water vapor condensation in air-conditioner is become aqueous water, the dirt removal on the surface of described heat exchanger will be attached to, comprise: the environment temperature current according to described air-conditioner and ambient humidity, determine the parsing module 101 of described heat exchanger for the preferred temperature of condensation; By regulating the rotating speed of the blower fan in described air-conditioner, the temperature of described heat exchanger being regulated and maintains the adjustment module 102 of described preferred temperature.
In some illustrative embodiment, described parsing module 101 comprises: the environment temperature current according to air-conditioner and ambient humidity, analyzes the first analyzing sub-module 1011 of the dew-point temperature under current environment; With the described dew-point temperature analyzed, determine the second analyzing sub-module 1012 of the preferred temperature of described heat exchanger.
In some illustrative embodiment, described first analyzing sub-module is used for determining described dew-point temperature according to following formula:
t＝U(A+BT)+CT-D
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, and A, B, C, D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.
In some illustrative embodiment, described first adjustment factor is 0.198, and described second adjustment factor is 0.0017, and described 3rd adjustment factor is 0.84, and described 4th adjustment factor is 19.2.
In some illustrative embodiment, described second analyzing sub-module is used for determining described preferred temperature according to following formula:
Teva＝t-Δt
Wherein, described Teva is the preferred temperature of described heat exchanger, and t is dew-point temperature, and Δ t is the expectation temperature difference of dew-point temperature and heat exchanger.
In some illustrative embodiment, described dew-point temperature and the expectation temperature difference of heat exchanger are that setting value or mate in the heat transfer temperature difference table preset according to described environment temperature obtains;
Wherein, the selection range of the expectation temperature difference of described dew-point temperature and heat exchanger is between 3 DEG C ~ 15 DEG C.Preferably, the expectation temperature difference of described dew-point temperature and heat exchanger is chosen for 8 DEG C.
In some illustrative embodiment, described adjustment module 102 comprises: the judge module 1021 of the magnitude relationship between the actual temperature that the described heat exchanger that judgement detects is current and described preferred temperature; If described actual temperature exceeds described preferred temperature, reduce the cooling module 1022 of the rotating speed of described blower fan; If described actual temperature is lower than described preferred temperature, promote the intensification module 1023 of the rotating speed of described blower fan; If described actual temperature is between the range intervals of described preferred temperature, maintain the maintenance module 1024 of the current rotating speed of described blower fan.
In some illustrative embodiment, described cooling module and/or described intensification module are used for discontinuous at a certain time interval and carry out heating and cooling.
In some illustrative embodiment, the rotating speed of the blower fan in described air-conditioner is between 400rpm and 1300rpm.
In some illustrative embodiment, cleaning device also comprises: if when the temperature of described heat exchanger is within a certain period of time all the time lower than 0 DEG C, the compressor a period of time in this air-conditioner out of service, carry out the defrosting module defrosted.
The structured flowchart of the device of the method in embodiment 2 that realizes is shown referring now to Fig. 8, Fig. 8.
As shown in Figure 8, the invention also discloses a kind of adjustment based on compressor rotary speed and collect the device 200 that condensed water cleans air-conditioner, based on the heat exchanger utilized in air-conditioner, the water vapor condensation in air-conditioner is become aqueous water, the dirt removal on the surface of described heat exchanger will be attached to, comprise: the environment temperature current according to described air-conditioner and ambient humidity, determine the surface temperature of described heat exchanger for condensation, as the parsing module 201 of preferred temperature; By regulating the compressor rotary speed in described air-conditioner, the temperature of described heat exchanger being regulated and maintains the adjustment module 202 of described preferred temperature.
In some illustrative embodiment, described parsing module 201 comprises: the environment temperature current according to air-conditioner and ambient humidity, analyzes the first analyzing sub-module 2011 of the dew-point temperature under current environment; With the described dew-point temperature analyzed, determine the second analyzing sub-module 2012 of the preferred temperature of described heat exchanger.
Described first analyzing sub-module 2011 is for determining described dew-point temperature according to following formula:
t＝U(A+BT)+CT-D
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, and A, B, C, D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.
In some illustrative embodiment, described first adjustment factor is 0.198, and described second adjustment factor is 0.0017, and described 3rd adjustment factor is 0.84; Described 4th adjustment factor is 19.2.
In some illustrative embodiment, described second analyzing sub-module 2012 is for determining described preferred temperature according to following formula:
Teva＝t-Δt
Wherein, described Teva is the preferred temperature of described heat exchanger, and t is described dew-point temperature, and Δ t is the expectation temperature difference of dew-point temperature and described heat exchanger.
In some illustrative embodiment, described dew-point temperature and the expectation temperature difference of described heat exchanger are that setting value or mate in the heat transfer temperature difference table preset according to described environment temperature obtains;
Wherein, the selection range of the expectation temperature difference of described dew-point temperature and described heat exchanger is between 3 DEG C ~ 15 DEG C.Preferably, the expectation temperature difference of described dew-point temperature and described heat exchanger is chosen for 8 DEG C.
In some illustrative embodiment, described adjustment module 202 comprises: the judge module 2021 of the magnitude relationship between the actual temperature that the described heat exchanger that judgement detects is current and described preferred temperature; If described actual temperature exceeds described preferred temperature, improve the cooling module 2022 of described compressor rotary speed; If described actual temperature is lower than described preferred temperature, reduce the intensification module 1023 of described compressor rotary speed; If described actual temperature is between the range intervals of described preferred temperature, maintain the maintenance module 2024 of the current rotating speed of described compressor.
In some illustrative embodiment, described cooling module and/or described intensification module are used for discontinuous at a certain time interval and carry out heating and cooling.
In some illustrative embodiment, the rotating speed of the blower fan in described air-conditioner is between 200rpm and 1300rpm.
In some illustrative embodiment, cleaning device also comprises: if when the temperature of described heat exchanger is within a certain period of time all the time lower than 0 DEG C, the compressor a period of time in this air-conditioner out of service, carry out the defrosting module defrosted.
The structured flowchart of the device of the method in embodiment 3 that realizes is shown referring now to Fig. 9, Fig. 9.
As shown in Figure 9, the invention also discloses a kind of heat-exchange temperature that controls and collect the device 300 that condensed water cleans air-conditioner, based on the heat exchanger utilized in air-conditioner, the water vapor condensation in air-conditioner is become aqueous water, the dirt removal on the surface of described heat exchanger will be attached to, comprise: the environment temperature current according to described air-conditioner and ambient humidity, determine the surface temperature of described heat exchanger for condensation air, as the parsing module 301 of preferred temperature; By regulating the rotating speed of compressor rotary speed in described air-conditioner and blower fan, the temperature of described heat exchanger being regulated and maintains the adjustment module 302 of described preferred temperature.
In some illustrative embodiment, described parsing module 301 comprises: the environment temperature current according to air-conditioner and ambient humidity, analyzes the first analyzing sub-module 3011 of the dew-point temperature under current environment; With the described dew-point temperature analyzed, determine the second analyzing sub-module 3012 of the preferred temperature of described heat exchanger.
Described first analyzing sub-module 3011 is for determining described dew-point temperature according to following formula:
t＝U(A+BT)+CT-D
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, and A, B, C, D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.
In some illustrative embodiment, described first adjustment factor is 0.198, and described second adjustment factor is 0.0017, and described 3rd adjustment factor is 0.84; Described 4th adjustment factor is 19.2.
In some illustrative embodiment, described second analyzing sub-module 3012 is for determining described preferred temperature according to following formula:
Teva＝t-Δt
Wherein, described Teva is the preferred temperature of described heat exchanger, and t is described dew-point temperature, and Δ t is the expectation temperature difference of dew-point temperature and described heat exchanger.
In some illustrative embodiment, described dew-point temperature and the expectation temperature difference of described heat exchanger are that setting value or mate in the heat transfer temperature difference table preset according to described environment temperature obtains;
Wherein, the selection range of the expectation temperature difference of described dew-point temperature and described heat exchanger is between 3 DEG C ~ 15 DEG C.Preferably, the expectation temperature difference of described dew-point temperature and described heat exchanger is chosen for 8 DEG C.
In some illustrative embodiment, by regulating the operating frequency of the compressor in described air-conditioner, the temperature of described heat exchanger being regulated and maintain described preferred temperature, specifically comprising:
The initial speed of described compressor is determined according to following formula:
P1＝P0(1-k(35-Tw)/35)
Wherein, P0 is for presetting fundamental frequency; P1 is compressor initial speed; Tw is outdoor environment temperature; K is design factor.Described design factor selection range is between 0.5 ~ 1, and preferably, described design factor is chosen for 0.7.
In some illustrative embodiment, described adjustment module 302 comprises: the judge module 3021 of the magnitude relationship between the actual temperature that the described heat exchanger that judgement detects is current and described preferred temperature; If described actual temperature exceeds described preferred temperature, reduce the rotating speed of described blower fan and raise the cooling module 3022 of described compressor rotary speed; If described actual temperature is lower than described preferred temperature, promotes the rotating speed of described blower fan and reduce the intensification module 3023 of described compressor rotary speed; If described actual temperature is between the range intervals of described preferred temperature, maintain the maintenance module 3024 of the current rotating speed of described compressor and the rotating speed of described blower fan.
In some illustrative embodiment, described cooling module and/or described intensification module are used for discontinuous at a certain time interval and carry out heating and cooling.Wherein, described cooling module and/or described intensification module can be set to every adjustment in 30 seconds once.
In some illustrative embodiment, the rotating speed of the blower fan in described air-conditioner is between 200rpm and 1300rpm.
In some illustrative embodiment, cleaning device also comprises: if when the temperature of described heat exchanger is within a certain period of time all the time lower than 0 DEG C, the compressor a period of time in this air-conditioner out of service, carry out the defrosting module defrosted.
The structured flowchart of the cleaning device realizing clean method in embodiment 4 is shown referring now to Figure 10, Figure 10.
As shown in Figure 10, disclose a kind of cleaning device 400 of air-conditioner set, based on the heat exchanger utilized in air-conditioner set, the water vapor condensation in air is become aqueous water, the dirt removal on the surface of described heat exchanger will be attached to, comprising: judge that whether described air-conditioner set meets the judge module 401 of the trigger condition performing described cleaning procedure: when meeting described trigger condition, performing the cleaning module 402 of described cleaning procedure according to the current operating condition of described air-conditioner set according to the processing policy corresponding with this operating condition.
In some illustrative embodiment, in described judge module 401, comprising: judge whether described air-conditioner set receives first of the control instruction performing described cleaning procedure and judge submodule 4011.
In some illustrative embodiment, in described judge module 401, comprise: if accumulative the operation in certain hour of described air-conditioner set does not carry out described cleaning procedure, then judge that this air-conditioner set meets second of the trigger condition performing described cleaning procedure and judges submodule 4012.
In some illustrative embodiment, in described judge module 401, also comprise: judge whether described air-conditioner set meets the 3rd of trigger condition corresponding to this operating condition and judge submodule 4013 under current operating condition.
Wherein, described air-conditioner can be indoor set or off-premises station, and when air-conditioner is off-premises station, it realizes cleaning effect voluntarily under heating condition, when air-conditioner is indoor set; When the operating condition that described indoor set is current is heating condition, described trigger condition also at least comprises one of following:
1), whether off-premises station produces frost;
Wherein, when the surface temperature of outdoor heat exchanger meet Tc≤Tw-Δ t ' and Tc<0 DEG C of certain hour time, judge that described off-premises station produces described frost; Wherein, Tc is outdoor heat exchanger outlet temperature, and Tw is outdoor environment temperature, the offset of Δ t ' for presetting, between 5 ~ 10 DEG C.Preferably, this offset is chosen for 8 DEG C.
2), whether air-conditioner is performed power-off operation;
If so, then described cleaning procedure is performed according to the processing policy of described air-conditioner under heating condition.
Wherein, under cooling condition, only the trigger condition of the cleaning procedure of air-conditioner can be set to accumulated running time, under heating condition, indoor set is in the condition of high temperature, become easily infected by dust and dirt, therefore can using the trigger condition one of of the frosting of off-premises station as cleaning procedure, in addition, also can after user performs power-off operation to air-conditioner, first perform cleaning procedure, shut down voluntarily more afterwards.
In some illustrative embodiment, in described cleaning module 402, comprising: the first clean submodule 4021 performing described cleaning procedure according to the processing policy of described air-conditioner set under heating condition.
In some illustrative embodiment, described first clean submodule 4021 is for switching to cooling condition by described indoor set, utilize the heat exchanger in air-conditioner set that the water vapor condensation in air is become aqueous water, will the dirt removal on the surface of described heat exchanger be attached to.
In some illustrative embodiment, described cleaning module 402, also comprise: perform at least one times " performing described clean Cheng Yunhang first time period; normal refrigerating operaton second time period again " operation, complete the second clean submodule 4022 of the described cleaning procedure of described air-conditioner set under cooling condition:
In some illustrative embodiment, in described cleaning module 402, also comprise: the environment temperature current according to described air-conditioner set and ambient humidity, determine the surface temperature of described heat exchanger for condensation, as the parsing module 4023 of preferred temperature; Regulate the rotating speed of the blower fan in described air-conditioner set and/or the operating frequency of compressor, the temperature of described heat exchanger is regulated and maintains the adjustment module 4024 of described preferred temperature.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1. a clean method for air-conditioner, utilizing the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, by being attached to the dirt removal on the surface of described heat exchanger, it is characterized in that, before execution cleaning procedure, also comprises:
Judge whether described air-conditioner meets the trigger condition performing described cleaning procedure:
If meet, then current according to described air-conditioner operating condition performs described cleaning procedure according to the processing policy corresponding with this operating condition.
2. clean method according to claim 1, is characterized in that, describedly judges that whether described air-conditioner meets the trigger condition performing described cleaning procedure, specifically comprises:
Judge whether described air-conditioner receives the control instruction performing described cleaning procedure;
If receive, then current according to described air-conditioner operating condition performs described cleaning procedure according to the processing policy corresponding with this operating condition.
3. clean method according to claim 1, is characterized in that, describedly judges that whether air-conditioner meets the trigger condition performing described cleaning procedure, specifically comprises:
If accumulative the operation in certain hour of described air-conditioner does not carry out described cleaning procedure, then judge that this air-conditioner meets the trigger condition performing described cleaning procedure.
4. clean method according to claim 3, is characterized in that, describedly judges the trigger condition whether air-conditioner meets described cleaning procedure, specifically comprises:
Judge whether described air-conditioner meets trigger condition corresponding to this operating condition under current operating condition;
If meet, then current according to described air-conditioner operating condition performs described cleaning procedure according to the processing policy corresponding with this operating condition.
5. clean method according to claim 4, it is characterized in that, when the operating condition that described air-conditioner is current is heating condition, described trigger condition also at least comprises one of following: off-premises station whether produces frost or whether air-conditioner is performed power-off operation;
If so, then described cleaning procedure is performed according to the processing policy of described air-conditioner under heating condition.
6. clean method according to claim 5, is characterized in that, when the surface temperature of outdoor heat exchanger meet Tc≤Tw-Δ t and Tc<0 DEG C of certain hour time, judge that described off-premises station produces described frost;
Wherein, Tc is outdoor heat exchanger outlet temperature, and Tw is outdoor environment temperature, Δ t is the offset preset, between 5 ~ 10 DEG C.
7. clean method according to claim 5, is characterized in that, describedly performs described cleaning procedure according to the processing policy of described air-conditioner under heating condition, specifically comprises:
Described air-conditioner is switched to cooling condition, utilizes the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, will the dirt removal on the surface of described heat exchanger be attached to.
8. clean method according to claim 4, is characterized in that, performs described cleaning procedure, specifically comprise according to the processing policy of described air-conditioner under cooling condition:
Perform following operation at least one times:
Perform described cleaning procedure and run first time period, more normal refrigerating operaton second time period.
9. the clean method according to any one of claim 1-8, is characterized in that, in described cleaning procedure, also comprises:
The environment temperature current according to described air-conditioner and ambient humidity, determine the surface temperature of described heat exchanger for condensation, as preferred temperature;
By the operating frequency of the rotating speed and/or compressor that regulate the blower fan in described air-conditioner, the temperature of described heat exchanger is regulated and maintains described preferred temperature.
10. a cleaning device for air-conditioner, becomes aqueous water based on the heat exchanger utilized in air-conditioner by the water vapor condensation in air-conditioner, by being attached to the dirt removal on the surface of described heat exchanger, it is characterized in that, comprising:
Judge module, for judging whether described air-conditioner meets the trigger condition performing described cleaning procedure:
Cleaning module, for when meeting described trigger condition, the operating condition current according to described air-conditioner performs described cleaning procedure according to the processing policy corresponding with this operating condition.
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