CN110081537A - A kind of control method of ice-melt cooling supply - Google Patents
A kind of control method of ice-melt cooling supply Download PDFInfo
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- CN110081537A CN110081537A CN201910214865.0A CN201910214865A CN110081537A CN 110081537 A CN110081537 A CN 110081537A CN 201910214865 A CN201910214865 A CN 201910214865A CN 110081537 A CN110081537 A CN 110081537A
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- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of control methods of ice-melt cooling supply, it is related to a kind of technical field of ice-reserving, it solves in ice-storage system, cool thermal discharge is a very the key link, ice-melt cooling supply peak load shifting important link, in current existing ice-storage system, it is most of to use manual fixed-frequency control, not only waste accumulation of energy energy consumption, and the problem of dangerous factor of system is increased, it is the following steps are included: S100: setting the bound temperature of ice-melt cooling supply first, ceiling temperature is defined as T2, and lower limit temperature is then defined as T1；S200: starting eg pump is with the operation of its maximum power；S300: monitoring air conditioner load cooling temperature TForAnd it is based on TForThe working frequency of eg pump is adjusted with the comparable situation of T1.The present invention has the intelligentized control method for effectively realizing ice-storage system, and effectively reduces the effect of accumulation of energy energy consumption wasting phenomenon simultaneously.
Description
Technical field
The present invention relates to a kind of technical fields of ice-reserving, more particularly, to a kind of control method of ice-melt cooling supply.
Background technique
Ice-reserving technology has been widely used in central air conditioner system as a kind of power-saving technology at present.The technology mainly exists
The low power consumption period at night uses Double-working-condition host ice-reserving, in the peak of power consumption period on daytime, by cool thermal discharge, at night
The cooling capacity of savings releases, and uses for peak time.This method does not alleviate the demand of electricity consumption merely with the peak valley of electricity consumption, also
Using time-of-use tariffs price difference, saved money for user.
In ice-storage system, cool thermal discharge is a very the key link, ice-melt cooling supply peak load shifting important link, mesh
It is most of to use manual fixed-frequency control in preceding existing ice-storage system, accumulation of energy energy consumption is not only wasted, but also to the dangerous of system
Factor increases, and there is room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of with the intelligentized control method for effectively realizing ice-storage system, and simultaneously effectively
Reduce the control method of the ice-melt control ice of the effect of accumulation of energy energy consumption wasting phenomenon.
Foregoing invention purpose of the invention has the technical scheme that
A kind of control method of ice-melt cooling supply, comprising the following steps:
S100: setting the bound temperature of ice-melt cooling supply first, and ceiling temperature is defined as T2, and lower limit temperature is then defined as
T1, synchronous averaging ice-melt cooling mode and refrigerating water pump；
S200: starting eg pump is with the operation of its maximum power；
S300: monitoring air conditioner load cooling temperature TForAnd it is based on TForThe working frequency of eg pump is adjusted with the comparable situation of T1.
By using above-mentioned technical proposal, can effectively be determined by the setting of step S100 upper during ice-melt control ice
Lower limit temperature, step S200, the setting of step S300 can be based on air conditioner load cooling temperature and ice-melt cooling temperature lower limit temperature
The working frequency of the comparable situation Effective Regulation eg pump of degree, greatlys save system operation energy consumption than fixed-frequency control.
The present invention is further arranged to: the control method of ice-melt control ice, step S300 specifically includes the following steps:
S310: judge TForWith the numerical values recited of T1；
S320: if TFor< T1, the then frequency for running eg pump are successively decreased, as the running frequency of eg pump is gradually reduced, at this time
TForDownward trend will be slowed by；If TFor> T1 then runs the frequency increments of eg pump, with the operation frequency of eg pump
Rate is gradually increasing, at this time TForAscendant trend will be slowed by；TFor=T1, the then frequency for running eg pump remain unchanged.
By using above-mentioned technical proposal, T can effectively be realized by the setting of S310, S320ForWith the comparison of T1 numerical value,
And according to TForThe working frequency of eg pump can be effectively determined with the comparison result of T1 numerical value and according to relevant work frequency
Rate controls eg pump.
The present invention is further arranged to: T in step S320ForThe case where < T1 the following steps are included:
S32a1: if the running frequency of eg pump drops to 20HZ, and the return water temperature of air conditioner load is less than 12 DEG C, then have with
Lower step；
S32a2: stop the operation of eg pump, keeps the operation of load side refrigerating cycle water pump；
S32a3: load side return water temperature will be gradually increasing, and work as TIt returnsWhen > T2, then first starting eg pump operation is weighed, S200 is repeated
The step of to S300.
By using above-mentioned technical proposal, in conjunction with step S32a1To S32a3Setting, can be effectively prevented load side freezing
Recirculated water crosses jelly influence system.
The present invention is further arranged to: step S100 is further comprising the steps of:
S110: before the bound temperature of setting ice-melt cooling supply, the most ceiling temperature of number is first set under before pop-up
Temperature is limited to select for user；
S120: if user does not select within the set time, number most ceiling temperature and lower limit temperature to be arranged before
As set ceiling temperature and lower limit temperature, if user makes a choice within the set time, with user it is selected on
Ceiling temperature and lower limit temperature of the lower limit temperature as setting.
It, can be according to time of user setting bound temperature in conjunction with the setting of step S110 by using above-mentioned technical proposal
The most situations of number are effectively given to user's selection, and step S120 be provided with efficacious prescriptions user make a choice, and in user
It makes a choice when forgetting to make a choice.
The present invention is further arranged to: it further include step S2A0 between step S200 and step S300, wherein step
S2A0 comprising the following specific steps
S2A1: detecting and obtains the Working state data of current eg pump；
S2A2: ratio is made with the Working state data of current eg pump and preset eg pump normal operative condition data area
Compared with continuing to walk if the Working state data of current eg pump drops into eg pump normal operative condition data area
Rapid S300, it is on the contrary then enter step S2B0.
By using above-mentioned technical proposal, eg pump can effectively be obtained by the setting of step S251, step S252
Working condition, and whether can be normal operative condition according to the working condition of eg pump, to determine whether it is in need into
The step of after entering.
The present invention is further arranged to: wherein step S2B0 includes:
S2B1: starting acousto-optic hint first；
S2B2: the working condition of eg pump does not recover to normal operative condition still in a complete setting time of acousto-optic hint
In data area, then pass through the responsible person of short massage notice eg pump.
By using above-mentioned technical proposal, improper situation can be in eg pump by the setting of step S2B1
Under notify the responsible person of eg pump in time in a manner of acousto-optic hint, compared to single notification voice or light prompt
Advice method, have preferably notice effect.
The present invention is further arranged to: wherein step S2B2 also specifically includes the following steps:
S2B2.1: synchronous to obtain responsible person position and complete eg pump when starting short massage notice responsible person
Outfit position is repaired, the route that planning responsible person reaches tool position by its location is route one,
By the route of tool position to failure eg pump location as route two, it is flat when not loading to define responsible person
Equal walking speed is the first average walking speed, and average walking speed of the responsible person when there is load is the second average walking speed
Degree, using the length of route one as dividend, the first average walking speed is used as divisor, obtains responsible person on route one
Used time, using the length of route two as dividend, the second average walking speed is used as divisor, and responsible person is on route two for acquisition
Used time, responsible person reaches ethylene glycol as responsible person in the sum of the used time of used time and responsible person on route two on route one
Pump institute total duration at the scene, if total duration is less than expection, no following step；Conversely, then there is following step；
S2B2.2: definition compares the closer spare carrying eg pump of responsible person apart from eg pump maintenance tool there is also one
The carrying personnel of maintenance tool, if carrying personnel's distance fault eg pump is compared to responsible person to the distance of failure eg pump
Relatively close, then eg pump maintenance tool is carried at failure eg pump position by short massage notice carrying personnel in advance, if carrying
Personnel apart from eg pump compared to responsible person to failure eg pump distance farther out, then notify carrying personnel and responsible person couple
To walking and using the engagement point of the two as starting point, responsible person is by starting point to failure eg pump.
By using above-mentioned technical proposal, can be pumped out ethylene glycol occurs by the setting of step S2B2.1 to S2B2.2
When existing failure and in the case that sound-light alarm is invalid, to responsible person's progress remote notification of eg pump, and due to
The case where failure eg pump needs repairing, therefore need to take in passing when notifying eg pump responsible person scene in the past
Corresponding maintenance tool is taken the time required to needing to reach failure eg pump position according to responsible person at this time with expection
Between comparable situation, can determine whether that carrying personnel and responsible person cooperate.
The present invention is further arranged to: the acousto-optic hint in step S2B1 mainly includes that two parts auditory tone cues and light mention
Show, wherein carrying out auditory tone cues is loudspeaker, wherein carrying out light prompt is strobe light emission diode.
It is loudspeaker due to carrying out acousto-optic hint by using above-mentioned technical proposal, it can be unobvious in lighting effects
When carry out auditory tone cues, and in contrast cost is relatively low for the mode of above sound prompt, and carries out light prompt and be
Light emitting diode can carry out light prompt when sound effect is unconspicuous, and the mode of above-mentioned light prompt is compared
For cost is relatively low.
In conclusion advantageous effects of the invention are as follows:
1, energy saving: energy-efficient purpose can reach using this control method.Firstly, eg pump changes according to actual load using change
Frequency controls, and system operation energy consumption is greatlyd save than fixed-frequency control；Secondly, by frequency control, or even stop eg pump fortune
Row, can greatly prolong the time of ice-melt under identical ice storage amount；
2, system protection: by measures such as variable frequency adjustment, temperature protections, the safety of system operation is improved, freezing temperature is prevented
Spend low freezing end-equipment；
3, intelligent: all control and regulation are all computer self monitoring, control and processing, are not necessarily to manual intervention, improve system
Operational efficiency.
Detailed description of the invention
Fig. 1 is the overall step schematic diagram of the control method of ice-melt control ice of the present invention.
Fig. 2 is the specific deployment step schematic diagram of step S300 in Fig. 1.
Fig. 3 is the part steps schematic diagram of step S320 in Fig. 2.
Fig. 4 is the specific steps schematic diagram of step S100 in Fig. 1.
Fig. 5 is the specific steps schematic diagram for the step S2A0 being arranged between step S200 and step S300.
Fig. 6 is the specific steps schematic diagram for the step S2B0 being arranged between step S2A0 and step S300.
Fig. 7 is the specific steps schematic diagram of step S2B2 in Fig. 6.
Fig. 8 is the whole control flow chart of the control method of ice-melt control ice of the present invention.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of control method of ice-melt cooling supply disclosed by the invention, comprising the following steps: S100: set first
Determine the bound temperature of ice-melt cooling supply, ceiling temperature is defined as T2, and lower limit temperature is then defined as T1, and synchronous averaging ice-melt supplies
Cold mode and refrigerating water pump, refrigerating water pump are a freezing water circulation systems, are generally used for the large-scale refrigeration equipment such as central air-conditioning
In；S200: starting eg pump is with the operation of its maximum power；S300: monitoring air conditioner load cooling temperature TForAnd it is based on TForAnd T1
Comparable situation adjust eg pump working frequency.
As described in Figure 4, in addition, considering the convenient and intelligence of ice-melt cooling supply bound temperature setting in actual application
Energy property, step S100 are further comprising the steps of: S110: before the bound temperature of setting ice-melt cooling supply, first setting before pop-up
The most ceiling temperature of number and lower limit temperature is set to select for user；S120: if user does not select within the set time, with
Setting number most ceiling temperature and lower limit temperature is as set ceiling temperature and lower limit temperature before, if user is setting
It makes a choice in fixing time, then using the selected bound temperature of user as the ceiling temperature and lower limit temperature of setting.
As shown in Figure 2, wherein step S300 is specifically includes the following steps: S310: judging TForWith the numerical values recited of T1；
S320: if TFor< T1, the then frequency for running eg pump are successively decreased, as the running frequency of eg pump is gradually reduced, T at this timeFor's
Downward trend will be slowed by；If TFor> T1 then runs the frequency increments of eg pump, with eg pump running frequency by
Gradually rise, at this time TForAscendant trend will be slowed by；TFor=T1, the then frequency for running eg pump remain unchanged.
As shown in Figure 3, it is contemplated that eg pump can prevent load side refrigerated circulating water from crossing jelly in actual moving process
Influence system, therefore, T in step S320ForThe case where < T1, is the following steps are included: S32a1If: under the running frequency of eg pump
20HZ is dropped to, and the return water temperature of air conditioner load then there are following steps less than 12 DEG C；S32a2: stop the operation of eg pump,
Keep the operation of load side refrigerating cycle water pump；S32a3: load side return water temperature will be gradually increasing, and work as TIt returnsWhen > T2, then weigh first
The step of starting eg pump operation, repeating S200 to S300.
As shown in Figure 5, it is contemplated that eg pump, which must assure that, after entering step S300 to work normally, because
This further includes step S2A0 between step S200 and step S300, and wherein step S2A0 is comprising the following specific steps S2A1:
Detect and obtain the Working state data of current eg pump；S2A2: it with the Working state data of current eg pump and presets
Eg pump normal operative condition data area make comparisons, if the Working state data of current eg pump drops into ethylene glycol
It pumps in normal operative condition data area, then continues step S300, it is on the contrary then enter step S2B0.
As shown in fig. 6, when there is eg pump failure really, it is contemplated that timely and effective can notify to responsible
People considers to be prompted on hand first, and wherein step S2B0 includes: S2B1: starting acousto-optic hint, acousto-optic hint are main first
Including two parts auditory tone cues and light prompt, wherein carrying out auditory tone cues is loudspeaker, wherein progress light prompt is
Strobe light emission diode；S2B2: the working condition of eg pump does not recover to still in a complete setting time of acousto-optic hint
In normal operative condition data area, then pass through the responsible person of short massage notice eg pump.
As shown in fig. 7, further contemplating when notifying eg pump responsible person, it can preferably facilitate ethylene glycol
Pump responsible person is timely and effective to be reached scene and can timely and effectively complete the maintenance of failure eg pump, and wherein step S2B2 is also
Specifically include following steps.
S2B2.1: synchronous to obtain responsible person position and complete second two when starting short massage notice responsible person
Alcohol pump maintenance outfit position, the mobile phone of responsible person can be inquired by mobile phone tracker by obtaining responsible person position
Number obtain the position of corresponding responsible person, the route that planning responsible person reaches tool position by its location is
Route one defines responsible person and is not bearing by the route of tool position to failure eg pump location as route two
Average walking speed when load is the first average walking speed, and average walking speed of the responsible person when there is load is second flat
Equal walking speed, using the length of route one as dividend, the first average walking speed is used as divisor, obtains responsible person and exists
Used time on route one, using the length of route two as dividend, the second average walking speed obtains responsible person and exists as divisor
Used time on route two, responsible person arrive in the sum of the used time of used time and responsible person on route two on route one as responsible person
Up to eg pump total duration at the scene, be expected if total duration is less than, no following step；Conversely, then there is following step.
S2B2.2: definition compares the closer spare carrying second two of responsible person apart from eg pump maintenance tool there is also one
Alcohol pumps the carrying personnel of maintenance tool, and the similar mode of carrying personnel position that obtains herein is also to pass through mobile phone tracker
The cell-phone number of middle input carrying personnel obtains the position of carrying personnel, if carrying personnel's distance fault eg pump is compared
In responsible person's being closer to failure eg pump, then short massage notice carrying personnel in advance carries eg pump maintenance tool
To failure eg pump position, if carrying personnel apart from eg pump compared to responsible person to failure eg pump distance compared with
Far, then notify carrying personnel and responsible person's opposite direction to walk and using the engagement point of the two as starting point, responsible person by starting point to
Failure eg pump.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of control method of ice-melt cooling supply, which comprises the following steps:
S100: setting the bound temperature of ice-melt cooling supply first, and ceiling temperature is defined as T2, and lower limit temperature is then defined as
T1, synchronous averaging ice-melt cooling mode and refrigerating water pump；
S200: starting eg pump is with the operation of its maximum power；
S300: monitoring air conditioner load cooling temperature TForAnd it is based on TForThe working frequency of eg pump is adjusted with the comparable situation of T1.
2. the control method of ice-melt control ice according to claim 1, which is characterized in that step S300 specifically includes following step
It is rapid:
S310: judge TForWith the numerical values recited of T1；
S320: if TFor< T1, the then frequency for running eg pump are successively decreased, as the running frequency of eg pump is gradually reduced, at this time
TForDownward trend will be slowed by；If TFor> T1 then runs the frequency increments of eg pump, with the operation frequency of eg pump
Rate is gradually increasing, at this time TForAscendant trend will be slowed by；TFor=T1, the then frequency for running eg pump remain unchanged.
3. the control method of ice-melt control ice according to claim 2, which is characterized in that T in step S320ForThe case where < T1
The following steps are included:
S32a1: if the running frequency of eg pump drops to 20HZ, and the return water temperature of air conditioner load then has following less than 12 DEG C
Step；
S32a2: stop the operation of eg pump, keeps the operation of load side refrigerating cycle water pump；
S32a3: load side return water temperature will be gradually increasing, and work as TIt returnsWhen > T2, then first starting eg pump operation is weighed, repeats S200 extremely
The step of S300.
4. the control method of ice-melt control ice according to claim 1, which is characterized in that step S100 further includes following step
It is rapid:
S110: before the bound temperature of setting ice-melt cooling supply, the most ceiling temperature of number is first set under before pop-up
Temperature is limited to select for user；
S120: if user does not select within the set time, number most ceiling temperature and lower limit temperature to be arranged before
As set ceiling temperature and lower limit temperature, if user makes a choice within the set time, with user it is selected on
Ceiling temperature and lower limit temperature of the lower limit temperature as setting.
5. the control method of ice-melt control ice according to claim 1, which is characterized in that step S200 and step S300 it
Between further include step S2A0, wherein step S2A0 comprising the following specific steps
S2A1: detecting and obtains the Working state data of current eg pump；
S2A2: ratio is made with the Working state data of current eg pump and preset eg pump normal operative condition data area
Compared with continuing to walk if the Working state data of current eg pump drops into eg pump normal operative condition data area
Rapid S300, it is on the contrary then enter step S2B0.
6. the control method of ice-melt control ice according to claim 4, which is characterized in that wherein step S2B0 includes:
S2B1: starting acousto-optic hint first；
S2B2: the working condition of eg pump does not recover to normal operative condition still in a complete setting time of acousto-optic hint
In data area, then pass through the responsible person of short massage notice eg pump.
7. the control method of ice-melt control ice according to claim 5, it is characterised in that: wherein step S262 is also specifically included
Following steps:
S2B2.1: synchronous to obtain responsible person position and complete eg pump when starting short massage notice responsible person
Outfit position is repaired, the route that planning responsible person reaches tool position by its location is route one,
By the route of tool position to failure eg pump location as route two, it is flat when not loading to define responsible person
Equal walking speed is the first average walking speed, and average walking speed of the responsible person when there is load is the second average walking speed
Degree, using the length of route one as dividend, the first average walking speed is used as divisor, obtains responsible person on route one
Used time, using the length of route two as dividend, the second average walking speed is used as divisor, and responsible person is on route two for acquisition
Used time, responsible person reaches ethylene glycol as responsible person in the sum of the used time of used time and responsible person on route two on route one
Pump institute total duration at the scene, if total duration is less than expection, no following step；Conversely, then there is following step；
S2B2.2: definition compares the closer spare carrying eg pump of responsible person apart from eg pump maintenance tool there is also one
The carrying personnel of maintenance tool, if carrying personnel's distance fault eg pump is compared to responsible person to the distance of failure eg pump
Relatively close, then eg pump maintenance tool is carried at failure eg pump position by short massage notice carrying personnel in advance, if carrying
Personnel apart from eg pump compared to responsible person to failure eg pump distance farther out, then notify carrying personnel and responsible person couple
To walking and using the engagement point of the two as starting point, responsible person is by starting point to failure eg pump.
8. the control method of ice-melt control ice according to claim 6, which is characterized in that the acousto-optic hint master in step S2B1
It to include two parts auditory tone cues and light prompt, wherein carrying out auditory tone cues is loudspeaker, wherein carrying out light prompt
For strobe light emission diode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910214865.0A CN110081537B (en) | 2019-03-20 | 2019-03-20 | Control method for ice melting and cold supply |
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|---|---|---|---|
| CN201910214865.0A CN110081537B (en) | 2019-03-20 | 2019-03-20 | Control method for ice melting and cold supply |
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| CN110081537B CN110081537B (en) | 2021-06-15 |
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| CN114396671A (en) * | 2022-01-11 | 2022-04-26 | 珠海格力电器股份有限公司 | Ethylene glycol pump control method and system, ice storage system and air conditioning device |
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| CN114018310A (en) * | 2021-09-17 | 2022-02-08 | 合肥美的洗衣机有限公司 | Method and device for detecting icing of sewer channel, electronic equipment and storage medium |
| CN114018310B (en) * | 2021-09-17 | 2023-11-03 | 合肥美的洗衣机有限公司 | Method and device for detecting icing of sewer, electronic equipment and storage medium |
| CN114396671A (en) * | 2022-01-11 | 2022-04-26 | 珠海格力电器股份有限公司 | Ethylene glycol pump control method and system, ice storage system and air conditioning device |
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