CN103363617B - Method and device for detecting lack of fluorine in air conditioner and air conditioner - Google Patents
Method and device for detecting lack of fluorine in air conditioner and air conditioner Download PDFInfo
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- CN103363617B CN103363617B CN201210104524.6A CN201210104524A CN103363617B CN 103363617 B CN103363617 B CN 103363617B CN 201210104524 A CN201210104524 A CN 201210104524A CN 103363617 B CN103363617 B CN 103363617B
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- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 146
- 239000011737 fluorine Substances 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title abstract description 9
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 145
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 238000005070 sampling Methods 0.000 claims description 46
- 238000013461 design Methods 0.000 claims description 22
- 230000001143 conditioned effect Effects 0.000 claims description 14
- 230000007613 environmental effect Effects 0.000 claims description 11
- 108010001267 Protein Subunits Proteins 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002950 deficient Effects 0.000 abstract 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a method and a device for detecting fluorine deficiency of an air conditioner and the air conditioner. Wherein, the detection device that air conditioner lacks fluorine includes: the acquiring unit is used for acquiring the actual operating power of the air conditioner; the searching unit is used for searching the fluorine-deficient power of the air conditioner corresponding to the current ambient temperature, wherein the air conditioner stores the corresponding relation between the fluorine-deficient power of the air conditioner and the ambient temperature; the first judgment unit is respectively connected with the acquisition unit and the search unit and is used for judging whether the actual operation power is less than the fluorine-lacking power; and the determining unit is connected with the first judging unit and is used for determining that the air conditioner lacks fluorine when the actual operation power is judged to be smaller than the fluorine-lacking power. By the method and the device, the problem that the detection of the lack of fluorine of the air conditioner is inaccurate in the prior art is solved, and the effect of improving the accuracy of the detection of the lack of fluorine of the air conditioner is achieved.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of detection method of air conditioner lacks fluorine and device and air-conditioner.
Background technology
For transducer air conditioning, if install not in place or running time is excessively of a specified duration, transducer air conditioning can lack fluorine, if compressor normal time continuous service under scarce fluorine state can cause compressor damage.In prior art when whether detecting air conditioner lacks fluorine, generally whether judge air conditioner lacks fluorine by carrying out detection to the coolant quantity in refrigerant pipe, but this kind of detection mode is carried out under the running status of air-conditioner being based upon a kind of idealized model, namely, this kind of detection mode is the cold medium flux being based upon air-conditioner, flow velocity, constant situation is all stablized in the power supply of air-conditioner ambient parameters and air-conditioner, so, if consider the practical operation situation of air-conditioner, then detection mode of the prior art accurately can not detect whether air-conditioner lacks fluorine.
For in correlation technique, inaccurate problem is detected for air conditioner lacks fluorine, not yet propose effective solution at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of detection method of air conditioner lacks fluorine and device and air-conditioner, detects inaccurate problem to solve in prior art for air conditioner lacks fluorine.
To achieve these goals, according to an aspect of the present invention, provide a kind of detection method of air conditioner lacks fluorine, comprising: the actual motion power obtaining air-conditioner; Search the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature; Judge whether actual motion power is less than scarce fluorine power; And when judging that actual motion power is less than scarce fluorine power, determine air conditioner lacks fluorine.
Further, the actual motion power obtaining air-conditioner comprises: the DC current that sampling air-conditioner runs; DC voltage on sampling air-conditioner dc bus; And the actual motion power of air-conditioner is calculated by DC current and DC voltage.
Further, the DC current that air-conditioner of sampling runs comprises: the DC current in the power factor correction circuit of sampling air-conditioner; Or the DC current in the current transformer of sampling air-conditioner.
Further, before the actual motion power obtaining air-conditioner, detection method also comprises: judge whether the running status of air-conditioner meets pre-conditioned, wherein, when judging that the running status of air-conditioner meets pre-conditioned, obtain the actual motion power of air-conditioner.
Further, the scarce fluorine power searching the air-conditioner corresponding with current environmental temperature comprises: detect outdoor environment temperature; Detect indoor environment temperature; Accounting temperature difference, wherein, temperature gap is the difference of indoor environment temperature and design temperature; And search the scarce fluorine power of the air-conditioner corresponding with outdoor environment temperature and temperature gap, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of outdoor environment temperature and temperature gap.
Further, detection outdoor environment temperature was included in for the first moment and the second moment detected outdoor environment temperature respectively, wherein, after being engraved in for the first moment when second, and the time interval in the second moment and the first moment is the integral multiple of the first Preset Time, detection indoor environment temperature was included in for the first moment and the 3rd moment detected indoor environment temperature respectively, wherein, after being engraved in for the first moment when the 3rd, and the time interval in the 3rd moment and the first moment is the integral multiple of the second Preset Time, second Preset Time is less than the first Preset Time, wherein: the scarce fluorine power searching the air-conditioner corresponding with outdoor environment temperature and temperature gap comprises: judge whether current time overlaps with the second moment and the 3rd moment, when judging that current time overlaps with the second moment and the 3rd moment simultaneously, search the scarce fluorine power of air-conditioner according to the outdoor environment temperature corresponding with current time and the temperature gap corresponding with current time, when judging that current time overlapped with the second moment and current time did not overlap with the 3rd moment, the scarce fluorine power of air-conditioner is searched according to the outdoor environment temperature corresponding with current time and with the 4th moment corresponding temperature gap, wherein, 4th moment was when detecting indoor environment temperature before current time, and the time interval of the 4th moment and current time is less than the second Preset Time, and when judging that current time overlapped with the 3rd moment and current time did not overlap with the second moment, according to the temperature gap corresponding with current time and with the 5th moment corresponding outdoor environment temperature search the scarce fluorine power of air-conditioner, wherein, 5th moment was when detecting outdoor environment temperature before current time, and the time interval of the 5th moment and current time is less than the first Preset Time.
Further, detection method also comprises: judge whether design temperature changes; And when judging that design temperature changes, temperature gap is upgraded after time delay the 3rd Preset Time, and search and outdoor environment temperature and the scarce fluorine power upgrading the corresponding air-conditioner of rear temperature gap, wherein, temperature gap after renewal is the difference of indoor environment temperature and the design temperature after changing, and the 3rd Preset Time is less than the second Preset Time.
Further, judge whether actual motion power is less than scarce fluorine power and comprises: in the 4th Preset Time, judge whether actual motion power is less than scarce fluorine power continuously, wherein, if judge continuously in the 4th Preset Time, actual motion power is less than scarce fluorine power, then determine air conditioner lacks fluorine.
To achieve these goals, according to a further aspect in the invention, provide a kind of checkout gear of air conditioner lacks fluorine, comprising: acquiring unit, for obtaining the actual motion power of air-conditioner; Searching unit, for searching the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, storing the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature; First judging unit, with acquiring unit with search unit and be connected respectively, for judging whether actual motion power is less than scarce fluorine power; And determining unit, being connected with the first judging unit, for when judging that actual motion power is less than scarce fluorine power, determining air conditioner lacks fluorine.
Further, acquiring unit comprises: the first sampling unit, for the DC current that air-conditioner of sampling runs; Second sampling unit, the DC voltage on air-conditioner dc bus of sampling; And computing unit, be connected respectively with the second sampling unit with the first sampling unit, for being calculated the actual motion power of air-conditioner by DC current and DC voltage.
Further, the first sampling unit comprises: the first sampling subelement, for the DC current of sampling in the power factor correction circuit of air-conditioner; Or second sampling subelement, for the DC current of sampling in the current transformer of air-conditioner.
Further, checkout gear also comprises: the second judging unit, is connected with acquiring unit, for judging whether the running status of air-conditioner meets pre-conditioned, wherein, when judging that the running status of air-conditioner meets pre-conditioned, acquiring unit obtains the actual motion power of air-conditioner.
Further, search unit and comprise: the first detection sub-unit, for detecting outdoor environment temperature; Second detection sub-unit, for detecting indoor environment temperature; Computation subunit, is connected with the second detection sub-unit, and for accounting temperature difference, wherein, temperature gap is the difference of indoor environment temperature and design temperature; And search subelement, be connected respectively with the first detection sub-unit with computation subunit, for searching the scarce fluorine power of the air-conditioner corresponding with outdoor environment temperature and temperature gap, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of outdoor environment temperature and temperature gap.
To achieve these goals, according to a further aspect in the invention, provide a kind of air-conditioner, comprise the checkout gear of any one air conditioner lacks fluorine that foregoing of the present invention provides.
By the present invention, adopt the actual motion power obtaining air-conditioner, search the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature, judge whether actual motion power is less than scarce fluorine power, and when judging that actual motion power is less than scarce fluorine power, determine air conditioner lacks fluorine, stored by operate power when air-conditioner being lacked under various ambient temperature conditions fluorine, namely, the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature are stored in air-conditioner, again by compared with the actual motion power of air-conditioner and the scarce fluorine power corresponding with current environmental temperature, when actual motion power is less than scarce fluorine power, judge air conditioner lacks fluorine, judge in conjunction with the actual motion power of the actual environment residing for air-conditioner and air-conditioner in the process whether air conditioner lacks fluorine is judged, solve in prior art and inaccurate problem is detected for air conditioner lacks fluorine, and then reach the effect improving the degree of accuracy that air conditioner lacks fluorine detects.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and 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 schematic diagram of the checkout gear according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the checkout gear according to first preferred embodiment of the invention;
Fig. 3 is the schematic diagram of the checkout gear according to second preferred embodiment of the invention; And
Fig. 4 is the flow chart of the detection method according to the embodiment of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Embodiments provide a kind of checkout gear of air conditioner lacks fluorine, Fig. 1 is the schematic diagram of the checkout gear according to the embodiment of the present invention, as shown in Figure 1, the checkout gear of this embodiment comprises acquiring unit 10, searches unit 20, first judging unit 30 and determining unit 40.
Acquiring unit 10, for obtaining the actual motion power of air-conditioner; Particularly, can arrange the power detection module that can detect air-conditioner operate power in air-conditioner, acquiring unit 10 obtains the actual motion power of air-conditioner by this detection module.
Searching unit 20, for searching the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, storing the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature; Particularly, environment temperature comprises outdoor environment temperature and temperature gap, temperature gap is calculate the design temperature of gained and the difference of indoor environment temperature, outdoor environment temperature can be detected by the outdoor environment temperature temperature-sensitive bag be arranged on air-conditioner, indoor environment temperature can be detected by the indoor environment temperature temperature-sensitive bag be arranged on air-conditioner, method by experiment obtains the scarce fluorine power of air-conditioner under various ambient temperature conditions, and then by the scarce fluorine power of air-conditioner with corresponding storage at ambient temperature in air-conditioner.Following three forms can be applied in embodiments of the present invention to determine the scarce fluorine power of air-conditioner, wherein, each scarce fluorine power is under system lacks 50% refrigerant, and different type of machines is the actual power testing the compressor obtained under different mode and different outdoor environment temperature and temperature gap (difference of indoor environment temperature and design temperature):
Wherein, T
outer shroudrepresent outdoor environment temperature, Δ T represents the difference of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, and P lacks fluorine and represents the different T when air conditioner refrigerating
outer shroudthe power of the compressor corresponding with Δ T, each P lack fluorine value may identical also may not be identical.
Wherein, T
outer shroudrepresent outdoor environment temperature, Δ T represents the difference of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, and P lacks fluorine and represents the different T when air-conditioning heating
outer shroudwith Δ T corresponding time compressor power, each P lack fluorine value may identical also may not be identical.
Wherein, T
outer shroudrepresent outdoor environment temperature, Δ T represents the difference of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, and P lacks fluorine and represents the different T when air-conditioning dehumidifier
outer shroudwith Δ T corresponding time compressor power, each P lack fluorine value may identical also may not be identical.
Above three forms can also widen according to actual conditions or shorten detection range, also each temperature range can be carried out more careful or more rough division.
First judging unit 30, with acquiring unit 10 with search unit 20 and be connected respectively, for judging whether actual motion power is less than scarce fluorine power.
Determining unit 40, is connected with the first judging unit 30, for when judging that actual motion power is less than scarce fluorine power, determines air conditioner lacks fluorine.
After checkout gear determination air conditioner lacks fluorine, judged result is sent to the master controller of air-conditioner, the action of each load of main controller controls air-conditioner is: control compressor and stop immediately; Control outer blower fan time delay out of service after 30 seconds; If air-conditioner operates in refrigeration mode, then control inner blower and run by the wind speed of setting; If air-conditioner operates in heating mode, then control inner blower and run by blowing waste heat condition; The display unit display controlling air-conditioner lacks fluorine.
The checkout gear of the embodiment of the present invention judges in conjunction with the actual motion power of the actual environment residing for air-conditioner and air-conditioner in the process whether judged air conditioner lacks fluorine, solve in prior art and inaccurate problem is detected for air conditioner lacks fluorine, and then reach the effect improving the degree of accuracy that air conditioner lacks fluorine detects.
Fig. 2 is the schematic diagram of the checkout gear according to first preferred embodiment of the invention, compared with the checkout gear of the embodiment of the present invention shown in Fig. 1, the two difference is, as shown in Figure 2: the acquiring unit 10 of first preferred embodiment of the invention can comprise the first sampling unit 11, second sampling unit 12 and computing unit 13, computing unit 13 is connected with the second sampling unit 12 respectively with the first sampling unit 11, and Fig. 2 is the schematic diagram of the checkout gear according to first preferred embodiment of the invention.
Wherein, the first sampling unit 11 can be current sampling unit, samples for the DC current run air-conditioner.Particularly, can by the first sampling subelement to air-conditioner power factor correction circuit PFC (PowerFactorCorrection, be called for short PFC) in DC current sample, also can be sampled to the DC current in the current transformer of air-conditioner by the second sampling subelement, current transformer is connected on dc bus or on live wire.
Second sampling unit 12 can be voltage sampling unit, for sampling to the DC voltage on air-conditioner dc bus.
The DC voltage of the air-conditioner that the DC current of the air-conditioner that computing unit 13 samples according to the first sampling unit 11 and the second sampling unit 12 sample carries out the actual motion power that DSP (DigitalSignalProcessing is called for short DSP) computing calculates air-conditioner.
Voltage and current during by running air-conditioner is sampled respectively, reaches the effect of the actual motion power of Obtaining Accurate air-conditioner.
Fig. 3 is the schematic diagram of the checkout gear according to second preferred embodiment of the invention, compared with the checkout gear of the embodiment of the present invention shown in Fig. 1, the two difference is, as shown in Figure 3: the checkout gear of second preferred embodiment of the invention also comprises the second judging unit 50 be connected with acquiring unit 10, second judging unit is for judging whether the running status of air-conditioner meets pre-conditioned, wherein, when judging that the running status of air-conditioner meets pre-conditioned, acquiring unit 10 obtains the actual motion power of air-conditioner.Particularly, judge whether the running status of air-conditioner meets pre-conditioned comprising: judge that the running status of air-conditioner can meet the following conditions simultaneously:
The compressor of air-conditioner normally runs;
The indoor environment temperature temperature-sensitive bag of air-conditioner and outdoor environment temperature temperature-sensitive Bao Jiwu open fault are also without short trouble;
Air-conditioner does not enter protection limit condition frequently;
Air-conditioner does not enter protection frequency reducing condition, and wherein, convertible frequency air-conditioner can run limit state, frequency reducing state and protection stopped status frequently successively before entering protection;
Air-conditioner is in non-oil return pattern;
Air-conditioner is in non-defrost pattern;
Air-conditioner is in non-receipts fluorine pattern, so-called receive fluorine pattern be namely installation personnel when tearing machine open, being called of pattern of refrigerant recovering, receives fluorine pattern;
Air-conditioner is in non-test, mode (as: air-conditioner survey operation soon, the operation of air-conditioner frequency modulation, air-conditioner forced refrigeration, air conditioner heat-production etc. all belong to test pattern).
When the running status of air-conditioner meets above condition simultaneously, then obtained the actual motion power of air-conditioner by acquiring unit 10.
Due to any one condition in above-mentioned condition do not meet time, air-conditioner all has extra power consumption, and this part extra power consumption can affect the size of the actual motion power of the air-conditioner got, detect judge so can meet scarce fluorine to the running status of air-conditioner before the actual motion power obtaining air-conditioner, reaching can the effect of Obtaining Accurate air-conditioner actual motion power.
Certainly, the first preferred embodiment of the present invention and the second preferred embodiment of the present invention can also be combined into the 3rd preferred embodiment, more accurate to make the acquisition of air-conditioner actual motion power.
The embodiment of the present invention additionally provides a kind of detection method of air conditioner lacks fluorine, and Fig. 4 is the flow chart of the detection method according to the embodiment of the present invention, and as shown in Figure 4, the detection method of this embodiment comprises step S402 to step S408.
S402: the actual motion power obtaining air-conditioner.Particularly, can by sampling to the DC current in air-conditioner power factor correction circuit, or the DC current in the current transformer of air-conditioner is sampled (current transformer is connected on dc bus or on live wire), obtain the DC current of air-conditioner; DC voltage on air-conditioner dc bus is sampled, obtains the DC voltage of air-conditioner; According to the DC voltage of air-conditioner and the actual motion power of DC current calculating air-conditioner.
S404: the scarce fluorine power searching the air-conditioner corresponding with current environmental temperature, wherein, stores the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature in air-conditioner.Particularly, environment temperature comprises outdoor environment temperature and temperature gap, temperature gap is calculate the design temperature of gained and the difference of indoor environment temperature, outdoor environment temperature can be detected by the outdoor environment temperature temperature-sensitive bag be arranged on air-conditioner, indoor environment temperature can be detected by the indoor environment temperature temperature-sensitive bag be arranged on air-conditioner, method by experiment obtains the scarce fluorine power of air-conditioner under various ambient temperature conditions, and then by the scarce fluorine power of air-conditioner with corresponding storage at ambient temperature in air-conditioner.Following three forms can be applied in embodiments of the present invention to determine the scarce fluorine power of air-conditioner, wherein, each scarce fluorine power is under system lacks 50% refrigerant, and different type of machines is the actual power testing the compressor obtained under different mode and different outdoor environment temperature and temperature gap (difference of indoor environment temperature and design temperature):
Wherein, T
outer shroudrepresent outdoor environment temperature, Δ T represents the difference of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, and P lacks fluorine and represents the different T when air conditioner refrigerating
outer shroudthe power of the compressor corresponding with Δ T, each P lack fluorine value may identical also may not be identical.
Wherein, T
outer shroudrepresent outdoor environment temperature, Δ T represents the difference of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, and P lacks fluorine and represents the different T when air-conditioning heating
outer shroudwith Δ T corresponding time compressor power, each P lack fluorine value may identical also may not be identical.
Wherein, T
outer shroudrepresent outdoor environment temperature, Δ T represents the difference of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, and P lacks fluorine and represents the different T when air-conditioning dehumidifier
outer shroudwith Δ T corresponding time compressor power, each P lack fluorine value may identical also may not be identical.
Above three forms can also widen according to actual conditions or shorten detection range, also each temperature range can be carried out more careful or more rough division.
S406: judge whether actual motion power is less than scarce fluorine power.
S408: when judging that actual motion power is less than scarce fluorine power, determine air conditioner lacks fluorine.
After determining air conditioner lacks fluorine, judged result is sent to the master controller of air-conditioner, the action of each load of main controller controls air-conditioner is: control compressor and stop immediately; Control outer blower fan time delay out of service after 30 seconds; If air-conditioner operates in refrigeration mode, then control inner blower and run by the wind speed of setting; If air-conditioner operates in heating mode, then control inner blower and run by blowing waste heat condition; The display unit display controlling air-conditioner lacks fluorine.
The detection method of the embodiment of the present invention judges in conjunction with the actual motion power of the actual environment residing for air-conditioner and air-conditioner in the process whether judged air conditioner lacks fluorine, solve in prior art and inaccurate problem is detected for air conditioner lacks fluorine, and then reach the effect improving the degree of accuracy that air conditioner lacks fluorine detects.
Further, before step S402, the detection method of this embodiment can also comprise: judge whether the running status of air-conditioner meets pre-conditioned, wherein, when judging that the running status of air-conditioner meets pre-conditioned, obtain the actual motion power of air-conditioner.Particularly, judge whether the running status of air-conditioner meets pre-conditioned comprising: judge that the running status of air-conditioner can meet the following conditions simultaneously:
The compressor of air-conditioner normally runs;
The indoor environment temperature temperature-sensitive bag of air-conditioner and outdoor environment temperature temperature-sensitive Bao Jiwu open fault are also without short trouble;
Air-conditioner does not enter protection limit condition frequently;
Air-conditioner does not enter protection frequency reducing condition, and wherein, convertible frequency air-conditioner can run limit state, frequency reducing state and protection stopped status frequently successively before entering protection;
Air-conditioner is in non-oil return pattern;
Air-conditioner is in non-defrost pattern;
Air-conditioner is in non-receipts fluorine pattern, so-called receive fluorine pattern be namely installation personnel when tearing machine open, being called of pattern of refrigerant recovering, receives fluorine pattern;
Air-conditioner is in non-test, mode (as: fast survey, frequency modulation operation, forced refrigeration, heat).
When the running status of air-conditioner meets above condition simultaneously, then obtain the actual motion power of air-conditioner.
Due to any one condition in above-mentioned condition do not meet time, air-conditioner all has extra power consumption, and this part extra power consumption can affect the size of the actual motion power of the air-conditioner got, detect judge so can meet scarce fluorine to the running status of air-conditioner before the actual motion power obtaining air-conditioner, reaching can the effect of Obtaining Accurate air-conditioner actual motion power.
Further, the detection method of the embodiment of the present invention can carry out one-time detection at interval of a period of time when carrying out the detection of indoor environment temperature and outdoor environment temperature, suppose that the initial time of carrying out outdoor temperature detection is identical with the initial time of carrying out indoor temperature detection, be for the first moment, outdoor environment temperature is detected at interval of the first preset time T 1, indoor environment temperature is detected at interval of the second preset time T 2, wherein, second preset time T 2 is less than the first preset time T 1, then step S404 comprises: judge whether current time (carries out the moment of outdoor environment temperature detection with the second moment, represent with the second moment) and the 3rd moment (carry out the moment of indoor environment temperature detection, represent with the 3rd moment) coincide, if current time coincides with the second moment and the 3rd moment simultaneously, then basis and the outdoor environment temperature that current time detects and the temperature gap corresponding with the indoor environment temperature that current time detects search the scarce fluorine power of air-conditioner, if current time overlaps with the second moment and does not overlap (namely with the 3rd moment, current time is the moment of carrying out outdoor environment temperature detection, the moment that indoor environment temperature detects also does not arrive), the scarce fluorine power of air-conditioner is then searched according to the temperature gap corresponding with the indoor environment temperature that the 4th moment detected and the outdoor environment temperature corresponding with current time, wherein, 4th moment was time point distance current time the last time carrying out indoor environment temperature detection, namely, before being engraved in current time when the 4th, and be less than second preset time T 2 with the time interval of current time, if current time overlaps with the 3rd moment and does not overlap (namely with the second moment, current time is the moment of carrying out indoor environment temperature detection, the moment that outdoor environment temperature detects also does not arrive), then according to the temperature gap corresponding with the indoor environment temperature that current time detects and with the 5th moment corresponding outdoor environment temperature search the scarce fluorine power of air-conditioner, wherein, 5th moment was time point distance current time the last time carrying out outdoor environment temperature detection, namely, before being engraved in current time when the 5th, and be less than first preset time T 1 with the time interval of current time.
By detecting an outdoor environment temperature at interval of the first preset time T 1, detecting an indoor environment temperature at interval of the second preset time T 2, reaching the effect that can obtain the scarce fluorine power corresponding with air-conditioner current environmental temperature in time.
Wherein, if when design temperature changes, the calculating of indoor environment temperature and design temperature difference is carried out after time delay the 3rd preset time T 3, and search and outdoor environment temperature and the scarce fluorine power upgrading the corresponding air-conditioner of rear temperature gap, carry out the judgement of air-conditioner actual motion power and scarce fluorine power.In order to ensure the accuracy whether judged air conditioner lacks fluorine, repeatedly determining step S406 can be carried out, if the actual motion power of air-conditioner is all less than scarce fluorine power in the 4th preset time T 4, then determining air conditioner lacks fluorine.
In the detection method of the embodiment of the present invention, the value of each Preset Time can value according to actual needs, in embodiments of the present invention, T1 gets the arbitrary value in 1-30 minute, T2 gets the arbitrary value in 1-10 minute, and T3 gets the arbitrary value in 1-60 second, and T4 gets the arbitrary value in 1-10 minute.
In addition, the embodiment of the present invention additionally provides a kind of air-conditioner, this air-conditioner can be any air-conditioner with the checkout gear of the air conditioner lacks fluorine that the embodiment of the present invention provides, and also can be any air-conditioner that have employed the detection method of the air conditioner lacks fluorine of the embodiment of the present invention.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a detection method for air conditioner lacks fluorine, is characterized in that, comprising:
Obtain the actual motion power of air-conditioner;
Search the scarce fluorine power of the described air-conditioner corresponding with current environmental temperature, wherein, in described air-conditioner, store the scarce fluorine power of described air-conditioner and the corresponding relation of environment temperature;
Judge whether described actual motion power is less than described scarce fluorine power; And
When judging that described actual motion power is less than described scarce fluorine power, determine described air conditioner lacks fluorine.
2. detection method according to claim 1, is characterized in that, the actual motion power obtaining air-conditioner comprises:
The DC current that described air-conditioner of sampling runs;
The DC voltage of sampling on described air-conditioner dc bus; And
The actual motion power of described air-conditioner is calculated by described DC current and described DC voltage.
3. detection method according to claim 2, is characterized in that, the DC current that described air-conditioner of sampling runs comprises:
The DC current of sampling in the power factor correction circuit of described air-conditioner; Or
The DC current of sampling in the current transformer of described air-conditioner.
4. detection method according to claim 1, is characterized in that, before the actual motion power obtaining air-conditioner, described detection method also comprises:
Judge whether the running status of described air-conditioner meets pre-conditioned,
Wherein, judge the running status of described air-conditioner meet described pre-conditioned time, obtain the actual motion power of described air-conditioner.
5. detection method according to claim 1, is characterized in that, the scarce fluorine power searching the described air-conditioner corresponding with current environmental temperature comprises:
Detect outdoor environment temperature;
Detect indoor environment temperature;
Accounting temperature difference, wherein, described temperature gap is the difference of described indoor environment temperature and design temperature;
And
Search the scarce fluorine power of the described air-conditioner corresponding with described outdoor environment temperature and described temperature gap,
Wherein, in described air-conditioner, store the scarce fluorine power of described air-conditioner and the corresponding relation of described outdoor environment temperature and described temperature gap.
6. detection method according to claim 5, is characterized in that,
Detect described outdoor environment temperature and be included in for the first moment and the second moment detected outdoor environment temperature respectively, wherein, after being engraved in described first moment when described second, and the time interval in described second moment and described first moment be the integral multiple of the first Preset Time
Detect described indoor environment temperature and be included in described first moment and the 3rd moment detected indoor environment temperature respectively, wherein, after being engraved in described first moment when the described 3rd, and the time interval in described 3rd moment and described first moment is the integral multiple of the second Preset Time, described second Preset Time is less than described first Preset Time, wherein:
The scarce fluorine power searching the described air-conditioner corresponding with described outdoor environment temperature and described temperature gap comprises:
Judge whether current time overlaps with described second moment and described 3rd moment;
When judging that described current time overlaps with described second moment and described 3rd moment simultaneously, search the scarce fluorine power of described air-conditioner according to the outdoor environment temperature corresponding with current time and the temperature gap corresponding with described current time;
When judging that current time overlapped with described second moment and described current time did not overlap with described 3rd moment, the scarce fluorine power of described air-conditioner is searched according to the outdoor environment temperature corresponding with described current time and with the 4th moment corresponding temperature gap, wherein, described 4th moment is when detecting indoor environment temperature before described current time, and the time interval of described 4th moment and described current time is less than described second Preset Time; And
When judging that current time overlapped with described 3rd moment and described current time did not overlap with described second moment, according to the temperature gap corresponding with described current time and with the 5th moment corresponding outdoor environment temperature search the scarce fluorine power of described air-conditioner, wherein, described 5th moment is when detecting outdoor environment temperature before described current time, and the time interval of described 5th moment and described current time is less than described first Preset Time.
7. detection method according to claim 6, is characterized in that, described detection method also comprises:
Judge whether described design temperature changes; And
When judging that described design temperature changes, described temperature gap is upgraded after time delay the 3rd Preset Time, and search and described outdoor environment temperature and the scarce fluorine power upgrading the corresponding described air-conditioner of rear temperature gap, wherein, temperature gap after renewal is the difference of described indoor environment temperature and the design temperature after changing, and described 3rd Preset Time is less than described second Preset Time.
8. detection method according to claim 1, is characterized in that, judges whether described actual motion power is less than described scarce fluorine power and comprises:
In the 4th Preset Time, judge whether described actual motion power is less than described scarce fluorine power continuously,
Wherein, if judge continuously in described 4th Preset Time, described actual motion power is less than described scarce fluorine power, then determine described air conditioner lacks fluorine.
9. a checkout gear for air conditioner lacks fluorine, is characterized in that, comprising:
Acquiring unit, for obtaining the actual motion power of air-conditioner;
Searching unit, for searching the scarce fluorine power of the described air-conditioner corresponding with current environmental temperature, wherein, in described air-conditioner, storing the scarce fluorine power of described air-conditioner and the corresponding relation of environment temperature;
First judging unit, is connected with described unit of searching respectively with described acquiring unit, for judging whether described actual motion power is less than described scarce fluorine power; And
Determining unit, is connected with described first judging unit, for when judging that described actual motion power is less than described scarce fluorine power, determines described air conditioner lacks fluorine.
10. checkout gear according to claim 9, is characterized in that, described acquiring unit comprises:
First sampling unit, for the DC current that described air-conditioner of sampling runs;
Second sampling unit, the DC voltage on described air-conditioner dc bus of sampling; And
Computing unit, is connected with described second sampling unit respectively with described first sampling unit, for being calculated the actual motion power of described air-conditioner by described DC current and described DC voltage.
11. checkout gears according to claim 10, is characterized in that, described first sampling unit comprises:
First sampling subelement, for the DC current of sampling in the power factor correction circuit of described air-conditioner; Or
Second sampling subelement, for the DC current of sampling in the current transformer of described air-conditioner.
12. checkout gears according to claim 9, is characterized in that, described checkout gear also comprises:
Second judging unit, is connected with described acquiring unit, for judging whether the running status of described air-conditioner meets pre-conditioned,
Wherein, judge the running status of described air-conditioner meet described pre-conditioned time, described acquiring unit obtains the actual motion power of described air-conditioner.
13. checkout gears according to claim 9, is characterized in that, described in search unit and comprise:
First detection sub-unit, for detecting outdoor environment temperature;
Second detection sub-unit, for detecting indoor environment temperature;
Computation subunit, is connected with described second detection sub-unit, and for accounting temperature difference, wherein, described temperature gap is the difference of described indoor environment temperature and design temperature; And
Search subelement, be connected respectively with described first detection sub-unit with described computation subunit, for searching the scarce fluorine power of the described air-conditioner corresponding with described outdoor environment temperature and described temperature gap, wherein, in described air-conditioner, store the scarce fluorine power of described air-conditioner and the corresponding relation of described outdoor environment temperature and described temperature gap.
14. 1 kinds of air-conditioners, is characterized in that, comprise the checkout gear of the air conditioner lacks fluorine according to any one of claim 9 to 13.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566846A (en) * | 2013-10-24 | 2015-04-29 | 广州南洋理工职业学院 | Fluorine shortage protection method for air conditioner |
| CN104033994B (en) * | 2014-06-20 | 2016-10-05 | 四川长虹电器股份有限公司 | A kind of method detecting Oil repellent and air-conditioning |
| CN104061656B (en) * | 2014-07-04 | 2017-05-10 | 珠海格力电器股份有限公司 | Fluorine-deficiency protection method and device for air conditioner |
| CN104075415B (en) * | 2014-07-04 | 2016-08-24 | 珠海格力电器股份有限公司 | Fluorine-deficiency protection method and device for air conditioner |
| CN104654537B (en) * | 2015-02-02 | 2017-06-06 | 珠海格力电器股份有限公司 | Method and device for detecting lack of fluorine of air conditioner multi-split air conditioner |
| CN104819547B (en) * | 2015-05-15 | 2017-09-22 | 珠海格力电器股份有限公司 | Fluorine-lacking detection and protection method and system during startup of variable frequency air conditioning system |
| CN105091215B (en) * | 2015-07-24 | 2018-02-09 | 珠海格力电器股份有限公司 | Method and device for detecting fluorine deficiency of multi-split air conditioner during starting |
| CN106196420B (en) * | 2016-06-24 | 2019-07-30 | 珠海格力电器股份有限公司 | Refrigerant detection method and device for air conditioning system and air conditioning system |
| CN109000337A (en) * | 2017-05-31 | 2018-12-14 | 奥克斯空调股份有限公司 | A kind of leakage of refrigerant guard method |
| CN109269010A (en) * | 2018-09-30 | 2019-01-25 | 珠海格力电器股份有限公司 | Fluorine deficiency detection control method, device and system for temperature regulation equipment and air conditioner |
| CN110513824B (en) * | 2019-09-05 | 2021-07-06 | 宁波奥克斯电气股份有限公司 | Control method and device for fluorine deficiency protection of variable frequency air conditioner and air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000258006A (en) * | 1999-03-03 | 2000-09-22 | Chubu Electric Power Co Inc | Apparatus and method for controlling operation of ice storage cooling and refrigerating system |
| JP2001041535A (en) * | 1999-07-23 | 2001-02-16 | Corona Corp | Air conditioner |
| CN101526259A (en) * | 2009-03-31 | 2009-09-09 | 宁波海诚电器有限公司 | Detection and protection method of lack of fluorine of air-conditioners |
| CN101876474A (en) * | 2010-07-22 | 2010-11-03 | 四川长虹空调有限公司 | Method for automatically detecting lack of refrigerant in air-conditioner |
| CN101929719A (en) * | 2010-08-27 | 2010-12-29 | 宁波奥克斯空调有限公司 | Method for protecting compressor during fluorine lack of inverter air conditioner |
| WO2012085605A1 (en) * | 2010-12-23 | 2012-06-28 | JAKAB, Tamás | Adsorption thermal compressor technology and apparatuses |
-
2012
- 2012-04-10 CN CN201210104524.6A patent/CN103363617B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000258006A (en) * | 1999-03-03 | 2000-09-22 | Chubu Electric Power Co Inc | Apparatus and method for controlling operation of ice storage cooling and refrigerating system |
| JP2001041535A (en) * | 1999-07-23 | 2001-02-16 | Corona Corp | Air conditioner |
| CN101526259A (en) * | 2009-03-31 | 2009-09-09 | 宁波海诚电器有限公司 | Detection and protection method of lack of fluorine of air-conditioners |
| CN101876474A (en) * | 2010-07-22 | 2010-11-03 | 四川长虹空调有限公司 | Method for automatically detecting lack of refrigerant in air-conditioner |
| CN101929719A (en) * | 2010-08-27 | 2010-12-29 | 宁波奥克斯空调有限公司 | Method for protecting compressor during fluorine lack of inverter air conditioner |
| WO2012085605A1 (en) * | 2010-12-23 | 2012-06-28 | JAKAB, Tamás | Adsorption thermal compressor technology and apparatuses |
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