CN106895561A - A kind of method, control device and air-conditioner of air-conditioner for detecting air-conditioner coolant leakage - Google Patents
A kind of method, control device and air-conditioner of air-conditioner for detecting air-conditioner coolant leakage Download PDFInfo
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- CN106895561A CN106895561A CN201710116411.0A CN201710116411A CN106895561A CN 106895561 A CN106895561 A CN 106895561A CN 201710116411 A CN201710116411 A CN 201710116411A CN 106895561 A CN106895561 A CN 106895561A
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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
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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
- F24F11/30—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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- 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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of method for detecting air-conditioner coolant leakage, suitable for air-conditioner, by detecting temperature of outlet air of air conditioner Tc, leaving air temp Tc and present mode of operation setting leaving air temp Tcm according to detection is compared, judge the absolute value of difference of the two temperatures whether more than or equal to predetermined value, air-conditioning Tc Tcm under the pattern of current operation>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant, air-conditioner sends scarce refrigerant prompting message accordingly, so as to solve the problems, such as that conventional domestic air conditioner is unable to automatic detection secondary refrigerant leakage or refrigerant lacks, with it is economical and practical, easy to operate accurate the characteristics of.
Description
Technical field
The present invention relates to air-conditioning technical field, more specifically, the present invention is a kind of side for detecting air-conditioner coolant leakage
The control device and air-conditioner of method, air-conditioner.
Background technology
Coolant leakage is a focus in recent years, is also the emphasis concerning air-conditioner safety, especially for flammable cold
Matchmaker.There are numerous detection methods on coolant leakage at present, but be summed up nothing more than being according to indoor temperature, evaporator temperature
Degree, delivery temperature, condensation temperature, one or more coupling judgements, more with good grounds whole evaporator or cold in air-conditioner power
What the temperature field of condenser judged.Need to detect numerous coil temperatures according to the scheme that evaporator or condenser temperature judge, it is difficult
To realize.Other also according to indoor temperature, evaporator temperature, delivery temperature, condensation temperature, the method that air-conditioner power judges
It is not highly developed, it is necessary to further optimization.
The content of the invention
To solve the deficiency that prior art is present, the invention provides a kind of method, sky for detecting air-conditioner coolant leakage
Adjust the control device and air-conditioner of device, it is intended to protect air-conditioner and room personal security, improve Consumer's Experience.
To realize above-mentioned technical purpose, the invention discloses a kind of method for detecting air-conditioner coolant leakage, it is adaptable to empty
Device is adjusted, is comprised the following steps：
S1：The pattern of air-conditioner currently operation is obtained, and detects whether the compressor operating time of the air-conditioner reaches
Preset Time.
S2：If meeting condition, temperature of outlet air of air conditioner Tc is detected, according to the leaving air temp Tc and present mode of operation of detection
Whether setting leaving air temp Tcm is compared, judge the absolute value of difference of the two temperatures more than or equal to predetermined value.
S3：If meeting condition, air conditioner lacks refrigerant is judged, send alerting signal.
Detection method of the invention by detecting temperature of outlet air of air conditioner Tc, leaving air temp Tc and current fortune according to detection
Whether row mode setting leaving air temp Tcm is compared, and judges the absolute value of difference of the two temperatures more than or equal to predetermined value, empty
Adjust the Tc-Tcm under the pattern of current operation>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant, meanwhile, air-conditioner sends
Scarce refrigerant prompting message accordingly, so as to solve, conventional domestic air conditioner is unable to automatic detection secondary refrigerant leakage or refrigerant lacks
Problem, with it is economical and practical, easy to operate accurate the characteristics of.
Further, the Preset Time is 2min to 6min.
Further, the predetermined value is 5 DEG C.
Further, the alerting signal is display signal or voice signal.
The invention also discloses a kind of control device of air-conditioner, the control device includes：Judge module, for judging
The pattern of air-conditioner currently operation；Timing module, for calculating compressor operating time；Detection module, for the air-out for detecting
Temperature Tc；Computing module, leaving air temp Tc and present mode of operation for calculating detection set the exhausted of the difference of leaving air temp Tcm
Whether predetermined value is more than or equal to value；Control module, for sending alerting signal.
Control device of the invention is coordinated by judge module, detection module, computing module, timing module and control module
Whether control air-conditioning judges the absolute value of the difference of the two temperatures more than or equal to predetermined value, and air-conditioning is under the pattern of current operation
Tc-Tcm>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant；Judge module judges the pattern of air-conditioner currently operation；Meter
When module calculate compressor operating time；The leaving air temp Tc of detection module detection；Computing module calculates the leaving air temp of detection
Whether the absolute value of the difference of Tc and present mode of operation setting leaving air temp Tcm is more than or equal to predetermined value；When it is determined that air-conditioning is existing
Shape there is a problem of leaking refrigerant, and control module sends scarce refrigerant prompting message accordingly, so as to solve conventional domestic air conditioning
Device is unable to the problem that automatic detection secondary refrigerant leakage or refrigerant lack, with it is economical and practical, easy to operate accurate the characteristics of.
Further, the judge module, the pattern currently run for air-conditioner whether refrigeration mode or refrigeration mode
Or the frequency and indoor set rotation speed of fan and the temperature of user's setting of dehumidification mode, outdoor temperature, compressor operating.
Further, the computing module, the leaving air temp Tc for calculating detection sets air-out with present mode of operation
The absolute value of the difference of temperature Tcm.
Further, the control module, condition is met for working as：The leaving air temp Tc of the detection and current operation mould
The absolute value Tc-Tcm of the difference of formula setting leaving air temp Tcm>At 5 DEG C, alerting signal is sent.
Further, the alerting signal is display signal or voice signal.
The invention also discloses a kind of air-conditioner, including：The control device of described air-conditioner.
Air-conditioner of the invention controls air-conditioning to judge whether the absolute value of the difference of the two temperatures is more than by control device
Or equal to predetermined value, air-conditioning Tc-Tcm under the pattern of current operation>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant；
Judge module judges the pattern of air-conditioner currently operation；Timing module calculates compressor operating time；What detection module was detected goes out
Air temperature Tc；Computing module calculates the absolute of the difference of leaving air temp Tc and present mode of operation setting the leaving air temp Tcm of detection
Whether value is more than or equal to predetermined value；When it is determined that air-conditioning present situation there is a problem of leaking refrigerant, control module sends corresponding lacking
Refrigerant prompting message, so as to solve the problems, such as that conventional domestic air conditioner is unable to automatic detection secondary refrigerant leakage or refrigerant lacks, tool
The characteristics of having economical and practical, easy to operate accurate.
Beneficial effects of the present invention are：Air-conditioner in normal operation, by detecting temperature of outlet air of air conditioner Tc, according to inspection
The leaving air temp Tc of survey is compared with present mode of operation setting leaving air temp Tcm, judges the absolute value of the difference of the two temperatures
Whether predetermined value, air-conditioning under the pattern of current operation Tc-Tcm are more than or equal to>5 DEG C, determine that air-conditioning present situation has leakage cold
The problem of matchmaker, air-conditioner sends scarce refrigerant prompting message accordingly, and automatic detection is unable to so as to solve conventional domestic air conditioner
The problem that secondary refrigerant leakage or refrigerant lack, with it is economical and practical, easy to operate accurate the characteristics of.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the method flow diagram of present invention detection air-conditioner coolant leakage.
Fig. 2 is the knot schematic diagram of air conditioning control device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 101 | Judge module | 102 | Detection module |
| 103 | Computing module | 104 | Timing module |
| 105 | Control module |
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc. are explained, if should
When particular pose changes, then directionality indicates also correspondingly to change therewith.
In addition, it is related to the description of " first ", " second " etc. to be only used for describing purpose in the present invention, and it is not intended that referring to
Show or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " are defined
Two " at least one this feature can be expressed or be implicitly included to feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or when cannot realize it will be understood that the combination of this technical scheme does not exist, also not in the protection model of application claims
Within enclosing.
As shown in figure 1, it is a kind of detect air-conditioner coolant leakage method, it is adaptable to air-conditioner, the present embodiment one include with
Lower step：
S1：The pattern of air-conditioner currently operation is obtained, and detects whether the compressor operating time of the air-conditioner reaches
Preset Time；When starting of air conditioner runs, the current operational mode of air-conditioner is first obtained, the operational mode of air-conditioner includes system
It is cold, heat or the basic model that dehumidifies, meanwhile, obtain air-conditioning operating condition, according to the pattern and operating condition of operation of air conditioner
Transfer present mode of operation and set leaving air temp Tcm (such as table 1), treat that next step is standby；The run time of compressor is detected, works as fortune
The row time reaches Preset Time, illustrates that compressor is stable, and can perform next step operation.
S2：If meeting condition, temperature of outlet air of air conditioner Tc is detected, according to the leaving air temp Tc and present mode of operation of detection
Whether setting leaving air temp Tcm is compared, judge the absolute value of difference of the two temperatures more than or equal to predetermined value；Air-conditioning is being worked as
Tc-Tcm under the pattern of preceding operation>5 DEG C, illustrate that the current leaving air temp of air-conditioning is inclined with present mode of operation setting leaving air temp Tcm
Difference is larger, it is impossible to meet the use needs of user；Otherwise air-conditioning Tc-Tcm under the pattern of current operation<At 5 DEG C, air-conditioning is illustrated
Current leaving air temp is smaller with present mode of operation setting leaving air temp Tcm deviations, the need for can meeting user's use.
S3：If meeting condition, judge air conditioner lacks refrigerant, send alerting signal, the alerting signal for display signal or
Voice signal, reminding user's air-conditioner to break down cannot meet normal operation needs, please contact manufacturer and further repair；If
The fault-signal of scarce refrigerant is issued air-conditioning manufacturer by the specific internet function of air-conditioning, air-conditioning, contacts user by air-conditioning manufacturer, and send
Maintenance personal's follow-up maintenance.
For example, in one embodiment of the present of invention, present mode of operation setting leaving air temp Tcm tables can be such as table
Shown in 1：
Table 1
As shown in table 1,1 air conditioner of certain money is often with operating mode theory leaving air temp (setting leaving air temp Tcm).
Main program will detect whether compressor starts after air-conditioner start, if compressor is not actuated, continue to detect, such as
Fruit compressor has been turned on, and judges whether compressor has run full 5min (Preset Time, adjustable), if less than continuation detects fortune
The row time, if expired, now detect the actual leaving air temp Tc of air-conditioner (it is assumed that 30 DEG C), the current operation bar of main program inquiry
The theoretical leaving air temp Tcm of part (wind high is heated for outdoor environment 5/4,25 degree of design temperature) is 38 DEG C, and (specific air-conditioner needs tool
Body is by experiment or theoretical calculation), actual leaving air temp is 8 DEG C with theoretical leaving air temp absolute difference, more than 5 DEG C of threshold values
(pre-set threshold value, adjustable), then judge that air-conditioner has occurred coolant leakage；If actual leaving air temp Tc is 37 DEG C, actual air-out
Temperature is 1 DEG C with theoretical leaving air temp absolute difference, less than 5 DEG C of threshold values (pre-set threshold value, adjustable), is then judging air-conditioner just
Often, continue to detect actual leaving air temp.
Detection method of the invention by detecting temperature of outlet air of air conditioner Tc, leaving air temp Tc and current fortune according to detection
Whether row mode setting leaving air temp Tcm is compared, and judges the absolute value of difference of the two temperatures more than or equal to predetermined value, empty
Adjust the Tc-Tcm under the pattern of current operation>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant, meanwhile, air-conditioner sends
Scarce refrigerant prompting message accordingly, so as to solve, conventional domestic air conditioner is unable to automatic detection secondary refrigerant leakage or refrigerant lacks
Problem, with it is economical and practical, easy to operate accurate the characteristics of.
Specifically, the Preset Time be 2min to 6min, general air-conditioning in normal conditions, when compressor operating is preset
Between reach stabilization, can perform next step operation.
Specifically, the predetermined value for 5 DEG C be air-conditioner setting it is relatively reasonable, general air-conditioning in normal conditions, detection
Leaving air temp Tc and present mode of operation setting leaving air temp Tcm deviations it is larger, illustrate that the failure of scarce refrigerant occurs in air-conditioning.
As shown in Figure 1：It is a kind of detect air-conditioner coolant leakage method, it is adaptable to air-conditioner, under the present embodiment include with
Lower step：
S1：The pattern of air-conditioner currently operation is obtained, and detects whether the compressor operating time of the air-conditioner reaches
Preset Time；When starting of air conditioner runs, the current operational mode of air-conditioner is first obtained, the operational mode of air-conditioner includes system
It is cold, heat or the basic model that dehumidifies.
S2：If meeting condition, temperature of outlet air of air conditioner Tc is detected, according to the leaving air temp Tc and present mode of operation of detection
Whether setting leaving air temp Tcm is compared, judge the absolute value of difference of the two temperatures more than or equal to predetermined value；When meeting bar
Part, obtains the current operating condition of air-conditioning, and pattern and operating condition according to operation of air conditioner are transferred present mode of operation and set out
Air temperature Tcm (such as table 1), for judge air-conditioning under the pattern of current operation whether Tc-Tcm>5 DEG C, current leaving air temp with
Present mode of operation setting leaving air temp Tcm deviations are larger, illustrate that air-conditioning cannot meet the use needs of user；Otherwise current fortune
Tc-Tcm under capable pattern<At 5 DEG C, illustrate that the current leaving air temp of air-conditioning sets leaving air temp Tcm deviations with present mode of operation
It is smaller, the need for user's use can be met.
S3：If meeting condition, judge air conditioner lacks refrigerant, send alerting signal, the alerting signal for display signal or
Voice signal, reminding user's air-conditioner to break down cannot meet normal operation needs, please contact manufacturer and further repair；If
The fault-signal of scarce refrigerant is issued air-conditioning manufacturer by the specific internet function of air-conditioning, air-conditioning, contacts user by air-conditioning manufacturer, and send
Maintenance personal's follow-up maintenance.
For example, in one embodiment of the present of invention, present mode of operation setting leaving air temp Tcm tables can be such as table
Shown in 1：
Table 1
As shown in table 1,1 air conditioner of certain money is often with operating mode theory leaving air temp (setting leaving air temp Tcm).
Main program will detect whether compressor starts after air-conditioner start, if compressor is not actuated, continue to detect, such as
Fruit compressor has been turned on, and judges whether compressor has run full 5min (Preset Time, adjustable), if less than continuation detects fortune
The row time, if expired, now detect the actual leaving air temp Tc of air-conditioner (it is assumed that 30 DEG C), the current operation bar of main program inquiry
The theoretical leaving air temp Tcm of part (wind high is heated for outdoor environment 5/4,25 degree of design temperature) is 38 DEG C, and (specific air-conditioner needs tool
Body is by experiment or theoretical calculation), actual leaving air temp is 8 DEG C with theoretical leaving air temp absolute difference, more than 5 DEG C of threshold values
(pre-set threshold value, adjustable), then judge that air-conditioner has occurred coolant leakage；If actual leaving air temp Tc is 37 DEG C, actual air-out
Temperature is 1 DEG C with theoretical leaving air temp absolute difference, less than 5 DEG C of threshold values (pre-set threshold value, adjustable), is then judging air-conditioner just
Often, continue to detect actual leaving air temp.
Detection method of the invention by detecting temperature of outlet air of air conditioner Tc, leaving air temp Tc and current fortune according to detection
Whether row mode setting leaving air temp Tcm is compared, and judges the absolute value of difference of the two temperatures more than or equal to predetermined value, empty
Adjust the Tc-Tcm under the pattern of current operation>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant, meanwhile, air-conditioner sends
Scarce refrigerant prompting message accordingly, so as to solve, conventional domestic air conditioner is unable to automatic detection secondary refrigerant leakage or refrigerant lacks
Problem, with it is economical and practical, easy to operate accurate the characteristics of.
As shown in Fig. 2 the invention also discloses a kind of control device of air-conditioner, the control device includes：Judge mould
Block 101, the pattern for judging air-conditioner currently operation；Timing module 102, for calculating compressor operating time；Detection mould
Block 103, for the leaving air temp Tc for detecting；Computing module 104, leaving air temp Tc and present mode of operation for calculating detection
Whether the absolute value of the difference of setting leaving air temp Tcm is more than or equal to predetermined value；Control module 105, for sending alerting signal.
Control device of the invention passes through judge module 101, detection module 102, computing module 103, the and of timing module 104
Whether control module 105 coordinates control air-conditioning to judge the absolute value of the difference of the two temperatures more than or equal to predetermined value, and air-conditioning exists
Tc-Tcm under the pattern of current operation>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant；Judge module judges air-conditioner
The pattern of current operation；Timing module calculates compressor operating time；The leaving air temp Tc of detection module detection；Computing module meter
Whether the absolute value of difference of leaving air temp Tc and present mode of operation setting the leaving air temp Tcm of detection is calculated more than or equal to predetermined
Value；When it is determined that air-conditioning present situation there is a problem of leaking refrigerant, control module sends scarce refrigerant prompting message accordingly, so as to solve
Conventional domestic air conditioner is unable to the problem that automatic detection secondary refrigerant leakage or refrigerant lack, with economical and practical, easy to operate standard
Really the characteristics of.
Specifically, the judge module 101, for obtain air-conditioner currently operation pattern whether refrigeration mode or refrigeration
Pattern or dehumidification mode, outdoor temperature, the frequency of compressor operating and indoor set rotation speed of fan and the temperature of user's setting,
That is judge module obtains the current working of air-conditioning, leaving air temp Tcm tables (table 1) is set for searching present mode of operation.
Specifically, the computing module 103, the leaving air temp Tc for calculating detection sets air-out with present mode of operation
The absolute value of the difference of temperature Tcm, in the situation of the leaving air temp Tc and present mode of operation setting leaving air temp Tcm of known detection
Lower calculating two temperatures difference is calculating means commonly used in the art, therefore calculation procedure is not specifically described herein.
Specifically, the control module 105, condition is met for working as：The leaving air temp Tc of the detection and current operation
The absolute value Tc-Tcm of the difference of pattern setting leaving air temp Tcm>At 5 DEG C, alerting signal is sent,.
Specifically, the alerting signal is display signal or voice signal, reminds user's air-conditioner to break down and cannot expire
The normal operation of foot needs, and please contact manufacturer and further repair；If the specific internet function of air-conditioning, failure of the air-conditioning scarce refrigerant
Signal issues air-conditioning manufacturer, contacts user by air-conditioning manufacturer, and sends maintenance personal to follow up and repairs.
The invention also discloses a kind of air-conditioner, including：The control device of described air-conditioner, it is above-mentioned to have been noted above,
Not repeated description herein.
Air-conditioner of the invention controls air-conditioning to judge whether the absolute value of the difference of the two temperatures is more than by control device
Or equal to predetermined value, air-conditioning Tc-Tcm under the pattern of current operation>5 DEG C, determine that air-conditioning present situation there is a problem of leaking refrigerant；
Judge module judges the pattern of air-conditioner currently operation；Timing module calculates compressor operating time；What detection module was detected goes out
Air temperature Tc；Computing module calculates the absolute of the difference of leaving air temp Tc and present mode of operation setting the leaving air temp Tcm of detection
Whether value is more than or equal to predetermined value；When it is determined that air-conditioning present situation there is a problem of leaking refrigerant, control module sends corresponding lacking
Refrigerant prompting message, so as to solve the problems, such as that conventional domestic air conditioner is unable to automatic detection secondary refrigerant leakage or refrigerant lacks, tool
The characteristics of having economical and practical, easy to operate accurate.
Claims (10)
1. it is a kind of to detect the method that air-conditioner coolant is leaked, it is adaptable to air-conditioner, it is characterised in that comprise the following steps：
S1：Obtain the pattern of air-conditioner currently operation, and detect the air-conditioner compressor operating time whether reach it is default
Time；
S2：If meeting condition, temperature of outlet air of air conditioner Tc is detected, the leaving air temp Tc according to detection sets with present mode of operation
Whether leaving air temp Tcm is compared, judge the absolute value of difference of the two temperatures more than or equal to predetermined value；
S3：If meeting condition, air conditioner lacks refrigerant is judged, send alerting signal.
2. the method for detection air-conditioner coolant leakage according to claim 1, it is characterised in that the Preset Time is
2min to 6min.
3. the method that detection air-conditioner coolant according to claim 1 is leaked, it is characterised in that the predetermined value is 5 DEG C.
4. the method that detection air-conditioner coolant according to claim 1 is leaked, it is characterised in that the alerting signal is aobvious
Show signal or voice signal.
5. a kind of usage right requirement one of 1 to 4 detects that air-conditioner coolant leaks the air conditioner controlling device of method, and its feature exists
In the control device includes：
Judge module, the pattern for judging air-conditioner currently operation；
Timing module, for calculating compressor operating time；
Detection module, for the leaving air temp Tc for detecting；
Computing module, leaving air temp Tc and present mode of operation for calculating detection set the absolute of the difference of leaving air temp Tcm
Whether value is more than or equal to predetermined value；
Control module, for sending alerting signal.
6. the control device of air-conditioner according to claim 5, it is characterised in that the judge module, for air-conditioner
The pattern of current operation whether refrigeration mode or refrigeration mode or dehumidification mode, outdoor temperature, the frequency of compressor operating and room
Interior machine rotation speed of fan and the temperature of user's setting.
7. the control device of air-conditioner according to claim 5, it is characterised in that the computing module, examines for calculating
The absolute value of the difference of leaving air temp Tc and present mode of operation setting the leaving air temp Tcm of survey.
8. the control device of air-conditioner according to claim 5, it is characterised in that the control module, for when meeting
Condition：The absolute value Tc-Tcm of the difference of leaving air temp Tc and present mode of operation setting the leaving air temp Tcm of the detection>5℃
When, send alerting signal.
9. the control device of the air-conditioner according to claim 5 or 8, it is characterised in that the alerting signal is believed for display
Number or voice signal.
10. a kind of air-conditioner, it is characterised in that including：The control dress of the air-conditioner as any one of claim 5 to 9
Put.
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| CN201710116411.0A CN106895561B (en) | 2017-02-28 | 2017-02-28 | It is a kind of detection air-conditioner coolant leakage method, air conditioner control device and air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469096A (en) * | 2018-03-21 | 2018-08-31 | 国网上海市电力公司 | A kind of switch gear room's temperature control system |
| CN109114747A (en) * | 2018-08-03 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of lack of fluorine of air-conditioners detection method, detection system and air-conditioning |
| CN109398024A (en) * | 2018-09-05 | 2019-03-01 | 北汽福田汽车股份有限公司 | The detection method and device of vehicle air conditioning |
| CN110762785A (en) * | 2018-07-26 | 2020-02-07 | 奥克斯空调股份有限公司 | Air conditioner and air conditioner refrigerant leakage detection method |
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