CN106895561B - It is a kind of detection air-conditioner coolant leakage method, air conditioner control device and air conditioner - Google Patents

It is a kind of detection air-conditioner coolant leakage method, air conditioner control device and air conditioner Download PDF

Info

Publication number
CN106895561B
CN106895561B CN201710116411.0A CN201710116411A CN106895561B CN 106895561 B CN106895561 B CN 106895561B CN 201710116411 A CN201710116411 A CN 201710116411A CN 106895561 B CN106895561 B CN 106895561B
Authority
CN
China
Prior art keywords
air
air conditioner
detection
conditioner
tcm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710116411.0A
Other languages
Chinese (zh)
Other versions
CN106895561A (en
Inventor
王志平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Refrigeration Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710116411.0A priority Critical patent/CN106895561B/en
Publication of CN106895561A publication Critical patent/CN106895561A/en
Application granted granted Critical
Publication of CN106895561B publication Critical patent/CN106895561B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52Indication arrangements, e.g. displays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data

Abstract

A kind of method that the present invention discloses detection air-conditioner coolant leakage, suitable for air conditioner, by detecting temperature of outlet air of air conditioner Tc, it is compared according to the leaving air temp Tc of detection and present mode of operation setting leaving air temp Tcm, judge whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value, air-conditioning Tc-Tcm > 5 DEG C under currently running mode, determine that air-conditioning status there are problems that leaking refrigerant, air conditioner issues scarce refrigerant prompting message accordingly, to solve the problems, such as that conventional domestic air conditioner cannot detect automatically secondary refrigerant leakage or refrigerant lacks, with economical and practical, easy to operate accurate feature.

Description

It is a kind of detection air-conditioner coolant leakage method, air conditioner control device and sky Adjust device
Technical field
The present invention relates to air-conditioning technical fields, and more specifically, the present invention is a kind of side of detection air-conditioner coolant leakage The control device and air conditioner of method, air conditioner.
Background technique
Coolant leakage is a hot spot in recent years, and concerning the emphasis of air conditioner safety, especially for flammable cold Matchmaker.There is numerous detection methods about coolant leakage at present, but is summed up nothing more than being according to room temperature, evaporator temperature It spends, delivery temperature, condensation temperature, one or more couplings in air conditioner power determine, more with good grounds entire evaporator or cold What the temperature field of condenser determined.Need to detect numerous coil temperatures according to the scheme that evaporator or condenser temperature field determine, it is difficult To realize.Other also according to room temperature, evaporator temperature, delivery temperature, condensation temperature, the method that air conditioner power determines Be not it is highly developed, need to be optimized.
Summary of the invention
To solve the shortcomings of the prior art, the present invention provides a kind of methods of detection air-conditioner coolant leakage, sky Adjust the control device and air conditioner of device, it is intended to protect air conditioner and room personnel safety, improve user experience.
To realize the above-mentioned technical purpose, the invention discloses a kind of method of detection air-conditioner coolant leakage, it is suitable for sky Adjust device, comprising the following steps:
S1: the currently running mode of air conditioner is obtained, and whether the compressor operating time for detecting 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 Setting leaving air temp Tcm is compared, and judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value.
S3: if meeting condition, determine air conditioner lacks refrigerant, issue alerting signal.
Detection method of the invention is by detection temperature of outlet air of air conditioner Tc, according to the leaving air temp Tc of detection and current fortune Row mode setting leaving air temp Tcm is compared, and judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value, empty Tc-Tcm > 5 DEG C under currently running mode are adjusted, determine that air-conditioning status there are problems that leaking refrigerant, meanwhile, air conditioner issues Scarce refrigerant prompting message accordingly, to solve, conventional domestic air conditioner cannot detect secondary refrigerant leakage automatically or refrigerant lacks Problem, it is economical and practical, easy to operate accurate to have the characteristics that.
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: judgment module, for judging The currently running mode of air conditioner;Timing module, for calculating compressor operating time;Detection module, the outlet air for detection 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 greater than or equal to value;Control module, for issuing alerting signal.
Control device of the invention passes through judgment module, detection module, computing module, timing module and control module cooperation Control air-conditioning judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value, and air-conditioning is under currently running mode Tc-Tcm > 5 DEG C determine that air-conditioning status there are problems that leaking refrigerant;Judgment module judges the currently running mode of air conditioner;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 are greater than or equal to predetermined value;When determining that air-conditioning is existing Shape there are problems that leaking refrigerant, the corresponding scarce refrigerant prompting message of control module sending, to solve conventional domestic air conditioning Device cannot detect secondary refrigerant leakage or automatically the problem of refrigerant lacks, and it is economical and practical, easy to operate accurate to have the characteristics that.
Further, the judgment module, for obtain the currently running mode of air conditioner whether refrigeration mode or refrigeration Mode or dehumidification mode, outdoor temperature, frequency, indoor unit rotation speed of fan and the temperature set by user of compressor operation.
Further, the computing module, leaving air temp Tc and present mode of operation for calculating detection set outlet air The absolute value of the difference of temperature Tcm.
Further, the control module meets condition for working as: the leaving air temp Tc of the detection and current operation mould When formula sets absolute value of the difference Tc-Tcm > 5 DEG C of leaving air temp Tcm, alerting signal is issued.
Further, the alerting signal is display signal or voice signal.
The invention also discloses a kind of air conditioners, comprising: the control device of the air conditioner.
Air conditioner of the invention controls air-conditioning by control device and judges whether the absolute value of the difference of the two temperatures is greater than Or it is equal to predetermined value, air-conditioning Tc-Tcm > 5 DEG C under currently running mode determine that air-conditioning status there are problems that leaking refrigerant; Judgment module judges the currently running mode of air conditioner;Timing module calculates compressor operating time;Detection module detection goes out Air temperature Tc;Computing module calculates the absolute of the difference of the leaving air temp Tc and present mode of operation setting leaving air temp Tcm of detection Whether value is greater than or equal to predetermined value;When determining that air-conditioning status there are problems that leaking refrigerant, control module issues corresponding lack Refrigerant prompting message has to solve the problems, such as that conventional domestic air conditioner cannot detect automatically secondary refrigerant leakage or refrigerant lacks There have the characteristics that be economical and practical, easy to operate accurate.
The invention has the benefit that air conditioner operate normally when, by detect 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 is greater than or equal to, and it is cold to determine that air-conditioning status has leakage for air-conditioning Tc-Tcm > 5 DEG C under currently running mode The problem of matchmaker, air conditioner issues scarce refrigerant prompting message accordingly, so that solving conventional domestic air conditioner cannot detect automatically The problem of secondary refrigerant leakage or refrigerant lack, it is economical and practical, easy to operate accurate to have the characteristics that.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached 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 embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Drawing reference numeral explanation:
Label Title Label Title
101 Judgment 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.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present 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 explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model Within enclosing.
As shown in Figure 1, it is a kind of detection air-conditioner coolant leakage method, be suitable for air conditioner, the present embodiment one include with Lower step:
S1: the currently running mode of air conditioner is obtained, and whether the compressor operating time for detecting the air conditioner reaches Preset time;In starting of air conditioner operation, the current operational mode of air conditioner is first obtained, the operational mode of air conditioner includes system Cold, heating or dehumidifying basic model, meanwhile, the operating condition of air-conditioning is obtained, according to the mode and operating condition of operation of air conditioner Present mode of operation setting leaving air temp Tcm (such as table 1) is transferred, to spare in next step;The runing time for detecting compressor, works as fortune The row time reaches preset time, illustrates that compressor is stable, and can perform the 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 Setting leaving air temp Tcm is compared, and judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value;Air-conditioning is being worked as Tc-Tcm > 5 DEG C under the mode of preceding operation illustrate that the current leaving air temp of air-conditioning and present mode of operation setting leaving air temp Tcm are inclined Difference is larger, is unable to satisfy the use needs of user;Otherwise air-conditioning illustrates air-conditioning under currently running mode when Tc-Tcm < 5 DEG C Current leaving air temp and present mode of operation setting leaving air temp Tcm deviation are smaller, can satisfy the needs that user uses.
S3: if meeting condition, determine air conditioner lacks refrigerant, issue alerting signal, the alerting signal be display signal or Voice signal reminds user's air conditioner to break down and is unable to satisfy normal operation needs, please contact manufacturer and further repair;If The fault-signal of scarce refrigerant is issued air conditioner manufacturer by the specific internet function of air-conditioning, air-conditioning, contacts user by air conditioner manufacturer, and send Maintenance personal, which follows up, to repair.
For example, in one embodiment of the present of invention, present mode of operation sets leaving air temp Tcm table can be such as table Shown in 1:
Table 1
As shown in table 1,1 air conditioner of certain money often uses operating condition theory leaving air temp (i.e. setting leaving air temp Tcm).
Main program will test whether compressor starts after air conditioner booting, if compressor is inactive, continue to test, such as Fruit compressor has been turned on, and determines whether compressor has run full 5min (preset time, adjustable) and continued to test fortune if less than The row time detects the practical leaving air temp Tc of air conditioner (it is assumed that 30 DEG C) at this time if expired, the current operation item of main program inquiry The theoretical leaving air temp Tcm of part (outdoor environment 5/4,25 degree of set temperature, high wind heating) is 38 DEG C, and (specific air conditioner needs to have Body passes through experiment or theoretical calculation), practical leaving air temp and theoretical leaving air temp absolute difference are 8 DEG C, are greater than 5 DEG C of threshold values (preset threshold, adjustable) then determines that coolant leakage has occurred for air conditioner;If practical leaving air temp Tc is 37 DEG C, practical outlet air Temperature and theoretical leaving air temp absolute difference are 1 DEG C, are less than 5 DEG C of threshold values (preset threshold, adjustable), are then determining air conditioner just Often, practical leaving air temp is continued to test.
Detection method of the invention is by detection temperature of outlet air of air conditioner Tc, according to the leaving air temp Tc of detection and current fortune Row mode setting leaving air temp Tcm is compared, and judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value, empty Tc-Tcm > 5 DEG C under currently running mode are adjusted, determine that air-conditioning status there are problems that leaking refrigerant, meanwhile, air conditioner issues Scarce refrigerant prompting message accordingly, to solve, conventional domestic air conditioner cannot detect secondary refrigerant leakage automatically or refrigerant lacks Problem, it is economical and practical, easy to operate accurate to have the characteristics that.
Specifically, the preset time is 2min to 6min, general air-conditioning in normal conditions, when compressor operation is default Between reach stable, operation can be performed the next step.
Specifically, it is that air conditioner setting is relatively reasonable that the predetermined value, which is 5 DEG C, and general air-conditioning in normal conditions, detects Leaving air temp Tc and present mode of operation setting leaving air temp Tcm deviation it is larger, illustrate air-conditioning occur lack refrigerant failure.
A kind of method of detection air-conditioner coolant leakage as shown in Figure 1:, is suitable for air conditioner, include under the present embodiment with Lower step:
S1: the currently running mode of air conditioner is obtained, and whether the compressor operating time for detecting the air conditioner reaches Preset time;In starting of air conditioner operation, the current operational mode of air conditioner is first obtained, the operational mode of air conditioner includes system Cold, heating or dehumidifying basic model.
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 Setting leaving air temp Tcm is compared, and judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value;When meeting item Part obtains the current operating condition of air-conditioning, transfers present mode of operation according to the mode of operation of air conditioner and operating condition and set out Air temperature Tcm (such as table 1), for judge air-conditioning under currently running mode whether Tc-Tcm > 5 DEG C, current leaving air temp with Present mode of operation setting leaving air temp Tcm deviation is larger, illustrates that air-conditioning is unable to satisfy the use needs of user;Otherwise current fortune Under capable mode when Tc-Tcm < 5 DEG C, illustrate the current leaving air temp of air-conditioning and present mode of operation setting leaving air temp Tcm deviation It is smaller, it can satisfy the needs that user uses.
S3: if meeting condition, determine air conditioner lacks refrigerant, issue alerting signal, the alerting signal be display signal or Voice signal reminds user's air conditioner to break down and is unable to satisfy normal operation needs, please contact manufacturer and further repair;If The fault-signal of scarce refrigerant is issued air conditioner manufacturer by the specific internet function of air-conditioning, air-conditioning, contacts user by air conditioner manufacturer, and send Maintenance personal, which follows up, to repair.
For example, in one embodiment of the present of invention, present mode of operation sets leaving air temp Tcm table can be such as table Shown in 1:
Table 1
As shown in table 1,1 air conditioner of certain money often uses operating condition theory leaving air temp (i.e. setting leaving air temp Tcm).
Main program will test whether compressor starts after air conditioner booting, if compressor is inactive, continue to test, such as Fruit compressor has been turned on, and determines whether compressor has run full 5min (preset time, adjustable) and continued to test fortune if less than The row time detects the practical leaving air temp Tc of air conditioner (it is assumed that 30 DEG C) at this time if expired, the current operation item of main program inquiry The theoretical leaving air temp Tcm of part (outdoor environment 5/4,25 degree of set temperature, high wind heating) is 38 DEG C, and (specific air conditioner needs to have Body passes through experiment or theoretical calculation), practical leaving air temp and theoretical leaving air temp absolute difference are 8 DEG C, are greater than 5 DEG C of threshold values (preset threshold, adjustable) then determines that coolant leakage has occurred for air conditioner;If practical leaving air temp Tc is 37 DEG C, practical outlet air Temperature and theoretical leaving air temp absolute difference are 1 DEG C, are less than 5 DEG C of threshold values (preset threshold, adjustable), are then determining air conditioner just Often, practical leaving air temp is continued to test.
Detection method of the invention is by detection temperature of outlet air of air conditioner Tc, according to the leaving air temp Tc of detection and current fortune Row mode setting leaving air temp Tcm is compared, and judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value, empty Tc-Tcm > 5 DEG C under currently running mode are adjusted, determine that air-conditioning status there are problems that leaking refrigerant, meanwhile, air conditioner issues Scarce refrigerant prompting message accordingly, to solve, conventional domestic air conditioner cannot detect secondary refrigerant leakage automatically or refrigerant lacks Problem, it is economical and practical, easy to operate accurate to have the characteristics that.
As shown in Fig. 2, the control device includes: judgement mould the invention also discloses a kind of control device of air conditioner Block 101, for judging the currently running mode of air conditioner;Timing module 102, for calculating compressor operating time;Detect mould Block 103, the leaving air temp Tc for detection;Computing module 104, for calculating the leaving air temp Tc and present mode of operation of detection Whether the absolute value of the difference of setting leaving air temp Tcm is greater than or equal to predetermined value;Control module 105, for issuing alerting signal.
Control device of the invention passes through judgment module 101, detection module 102, computing module 103,104 and of timing module The cooperation control air-conditioning of control module 105 judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value, and air-conditioning exists Tc-Tcm > 5 DEG C under currently running mode determine that air-conditioning status there are problems that leaking refrigerant;Judgment module judges air conditioner Currently running mode;Timing module calculates compressor operating time;The leaving air temp Tc of detection module detection;Computing module meter It is predetermined whether the absolute value of the difference that the leaving air temp Tc and present mode of operation for calculating detection set leaving air temp Tcm is greater than or equal to Value;When determining that air-conditioning status there are problems that leaking refrigerant, control module issues scarce refrigerant prompting message accordingly, to solve Conventional domestic air conditioner cannot detect secondary refrigerant leakage or automatically the problem of refrigerant lacks, and have economical and practical, easy to operate standard True feature.
Specifically, the judgment module 101, for obtain the currently running mode of air conditioner whether refrigeration mode or refrigeration Mode or dehumidification mode, outdoor temperature, frequency, indoor unit rotation speed of fan and the temperature set by user of compressor operation, also It is to say that judgment module obtains the current working of air-conditioning, for searching present mode of operation setting leaving air temp Tcm table (table 1).
Specifically, the computing module 103, leaving air temp Tc and present mode of operation for calculating detection set outlet air The absolute value of the difference of temperature Tcm, the case where the leaving air temp Tc and present mode of operation of known detection set leaving air temp Tcm 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 meets condition for working as: the leaving air temp Tc of the detection and current operation When mode sets absolute value of the difference Tc-Tcm > 5 DEG C of leaving air temp Tcm, alerting signal is issued,.
Specifically, the alerting signal is display signal or voice signal, and user's air conditioner is reminded to break down and can not expire Foot, which operates normally, to be needed, and please be contacted manufacturer and further be repaired;If the specific internet function of air-conditioning, failure of the air-conditioning scarce refrigerant Signal issues air conditioner manufacturer, contacts user by air conditioner manufacturer, and sends maintenance personal to follow up and repair.
The invention also discloses a kind of air conditioners, comprising: the control device of the air conditioner, it is above-mentioned to have been noted above, Not repeated description herein.
Air conditioner of the invention controls air-conditioning by control device and judges whether the absolute value of the difference of the two temperatures is greater than Or it is equal to predetermined value, air-conditioning Tc-Tcm > 5 DEG C under currently running mode determine that air-conditioning status there are problems that leaking refrigerant; Judgment module judges the currently running mode of air conditioner;Timing module calculates compressor operating time;Detection module detection goes out Air temperature Tc;Computing module calculates the absolute of the difference of the leaving air temp Tc and present mode of operation setting leaving air temp Tcm of detection Whether value is greater than or equal to predetermined value;When determining that air-conditioning status there are problems that leaking refrigerant, control module issues corresponding lack Refrigerant prompting message has to solve the problems, such as that conventional domestic air conditioner cannot detect automatically secondary refrigerant leakage or refrigerant lacks There have the characteristics that be economical and practical, easy to operate accurate.

Claims (10)

1. a kind of method of detection air-conditioner coolant leakage, is suitable for air conditioner, which comprises the following steps:
S1: the currently running mode of air conditioner is obtained, and whether the compressor operating time for detecting the air conditioner reaches default Time;
S2: if meeting condition, temperature of outlet air of air conditioner Tc is detected, is set according to the leaving air temp Tc of detection and present mode of operation Leaving air temp Tcm is compared, and judges whether the absolute value of the difference of the two temperatures is greater than or equal to predetermined value;
S3: if meeting condition, determine air conditioner lacks refrigerant, issue alerting signal.
2. the method for detection air-conditioner coolant leakage according to claim 1, which is characterized in that the preset time is 2min to 6min.
3. the method for detection air-conditioner coolant leakage according to claim 1, which is characterized in that the predetermined value is 5 DEG C.
4. the method for detection air-conditioner coolant leakage according to claim 1, which is characterized in that the alerting signal is aobvious Show signal or voice signal.
5. a kind of air conditioner controlling device using one of Claims 1-4 4 detection air-conditioner coolant leakage method, feature exist In the control device includes:
Judgment module, for judging the currently running mode of air conditioner;
Timing module, for calculating compressor operating time;
Detection module, the leaving air temp Tc for detection;
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 greater than or equal to predetermined value;
Control module, for issuing alerting signal.
6. the control device of air conditioner according to claim 5, which is characterized in that the judgment module, for obtaining sky Adjust the currently running mode of device whether refrigeration mode or refrigeration mode or dehumidification mode, outdoor temperature, the frequency of compressor operation, Indoor unit rotation speed of fan and temperature set by user.
7. the control device of air conditioner according to claim 5, which is characterized in that the computing module, for calculating inspection 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, which is characterized in that the control module, for when satisfaction Condition: absolute value of the difference Tc-Tcm > 5 DEG C of leaving air temp Tc and present mode of operation setting the leaving air temp Tcm of the detection When, issue alerting signal.
9. the control device of the air conditioner according to claim 5 or 8, which is characterized in that the alerting signal is display letter Number or voice signal.
10. a kind of air conditioner characterized by comprising the control of the air conditioner as described in any one of claim 5 to 9 fills It sets.
CN201710116411.0A 2017-02-28 2017-02-28 It is a kind of detection air-conditioner coolant leakage method, air conditioner control device and air conditioner Active CN106895561B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Publications (2)

Publication Number Publication Date
CN106895561A CN106895561A (en) 2017-06-27
CN106895561B true CN106895561B (en) 2019-07-30

Family

ID=59184748

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710116411.0A Active 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

Country Status (1)

Country Link
CN (1) CN106895561B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
CN110762785B (en) * 2018-07-26 2021-05-18 奥克斯空调股份有限公司 Air conditioner and air conditioner refrigerant leakage detection method
CN109114747B (en) * 2018-08-03 2022-07-12 奥克斯空调股份有限公司 Air conditioner fluorine deficiency detection method and system and air conditioner
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

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003090582A (en) * 2001-09-20 2003-03-28 Fujitsu General Ltd Control method for air conditioner
KR20080074595A (en) * 2007-02-09 2008-08-13 삼성전자주식회사 Method for sensing leakage of refrigerant in airconditioner
CN101929706A (en) * 2009-06-26 2010-12-29 珠海格力电器股份有限公司 Air conditioner and control method thereof
KR20110001667A (en) * 2009-06-30 2011-01-06 엘지전자 주식회사 Air conditioner and operating method thereof
CN102788403A (en) * 2012-07-30 2012-11-21 广东美的电器股份有限公司 Method for detecting lack of refrigerant in air conditioner, and air conditioner
CN202769873U (en) * 2012-07-04 2013-03-06 海尔集团公司 System used to judge lack of air conditioner refrigerant
CN103388883A (en) * 2013-07-31 2013-11-13 美的集团武汉制冷设备有限公司 Method for judging leakage of refrigerant in inverter air conditioner and inverter air conditioner
CN104566863A (en) * 2014-12-30 2015-04-29 海信科龙电器股份有限公司 Method for detecting refrigerant leakage and air conditioner
JP2015090240A (en) * 2013-11-06 2015-05-11 ダイキン工業株式会社 Heat source unit of refrigeration device
CN104655365A (en) * 2014-12-30 2015-05-27 海信科龙电器股份有限公司 Method for detecting refrigerant leakage and air conditioner
CN104949278A (en) * 2015-06-25 2015-09-30 海信(山东)空调有限公司 Method and device for detecting refrigerant leakage of air conditioner and air-conditioning device
JP2016017643A (en) * 2014-07-04 2016-02-01 ホシザキ電機株式会社 Open show case
CN105423484A (en) * 2015-11-05 2016-03-23 广东爱晟电子科技有限公司 Detection method and detection circuit for insufficiency of air conditioning refrigerant
CN105571059A (en) * 2015-12-23 2016-05-11 广东美的暖通设备有限公司 Outlet air temperature stability detecting method for multi-connected air conditioner indoor unit and multi-connected air-conditioning system
JP2016088167A (en) * 2014-10-30 2016-05-23 本田技研工業株式会社 Fluid storage device
JP5959716B2 (en) * 2013-02-28 2016-08-02 三菱電機株式会社 Air conditioner
WO2016151642A1 (en) * 2015-03-26 2016-09-29 三菱電機株式会社 Indoor unit for air conditioner
CN106016579A (en) * 2016-05-10 2016-10-12 广东美的制冷设备有限公司 Air-conditioner system and subsection control method and device for preventing refrigerant leakage
CN106091246A (en) * 2016-06-14 2016-11-09 顺德职业技术学院 Air-conditioner remotely controls operation troubles determination methods
CN106288196A (en) * 2016-08-17 2017-01-04 珠海格力电器股份有限公司 A kind of air-conditioning lacks control device, control method and the air conditioning system of coolant protection
CN106403189A (en) * 2016-09-29 2017-02-15 广东美的制冷设备有限公司 Detection method for refrigerant leakage of air conditioner and air conditioner
CN106403173A (en) * 2016-09-09 2017-02-15 青岛海信日立空调系统有限公司 Method and device for judging refrigerant leakage of air conditioner

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003090582A (en) * 2001-09-20 2003-03-28 Fujitsu General Ltd Control method for air conditioner
KR20080074595A (en) * 2007-02-09 2008-08-13 삼성전자주식회사 Method for sensing leakage of refrigerant in airconditioner
CN101929706A (en) * 2009-06-26 2010-12-29 珠海格力电器股份有限公司 Air conditioner and control method thereof
KR20110001667A (en) * 2009-06-30 2011-01-06 엘지전자 주식회사 Air conditioner and operating method thereof
CN202769873U (en) * 2012-07-04 2013-03-06 海尔集团公司 System used to judge lack of air conditioner refrigerant
CN102788403A (en) * 2012-07-30 2012-11-21 广东美的电器股份有限公司 Method for detecting lack of refrigerant in air conditioner, and air conditioner
JP5959716B2 (en) * 2013-02-28 2016-08-02 三菱電機株式会社 Air conditioner
CN103388883A (en) * 2013-07-31 2013-11-13 美的集团武汉制冷设备有限公司 Method for judging leakage of refrigerant in inverter air conditioner and inverter air conditioner
JP2015090240A (en) * 2013-11-06 2015-05-11 ダイキン工業株式会社 Heat source unit of refrigeration device
JP2016017643A (en) * 2014-07-04 2016-02-01 ホシザキ電機株式会社 Open show case
JP2016088167A (en) * 2014-10-30 2016-05-23 本田技研工業株式会社 Fluid storage device
CN104655365A (en) * 2014-12-30 2015-05-27 海信科龙电器股份有限公司 Method for detecting refrigerant leakage and air conditioner
CN104566863A (en) * 2014-12-30 2015-04-29 海信科龙电器股份有限公司 Method for detecting refrigerant leakage and air conditioner
WO2016151642A1 (en) * 2015-03-26 2016-09-29 三菱電機株式会社 Indoor unit for air conditioner
CN104949278A (en) * 2015-06-25 2015-09-30 海信(山东)空调有限公司 Method and device for detecting refrigerant leakage of air conditioner and air-conditioning device
CN105423484A (en) * 2015-11-05 2016-03-23 广东爱晟电子科技有限公司 Detection method and detection circuit for insufficiency of air conditioning refrigerant
CN105571059A (en) * 2015-12-23 2016-05-11 广东美的暖通设备有限公司 Outlet air temperature stability detecting method for multi-connected air conditioner indoor unit and multi-connected air-conditioning system
CN106016579A (en) * 2016-05-10 2016-10-12 广东美的制冷设备有限公司 Air-conditioner system and subsection control method and device for preventing refrigerant leakage
CN106091246A (en) * 2016-06-14 2016-11-09 顺德职业技术学院 Air-conditioner remotely controls operation troubles determination methods
CN106288196A (en) * 2016-08-17 2017-01-04 珠海格力电器股份有限公司 A kind of air-conditioning lacks control device, control method and the air conditioning system of coolant protection
CN106403173A (en) * 2016-09-09 2017-02-15 青岛海信日立空调系统有限公司 Method and device for judging refrigerant leakage of air conditioner
CN106403189A (en) * 2016-09-29 2017-02-15 广东美的制冷设备有限公司 Detection method for refrigerant leakage of air conditioner and air conditioner

Also Published As

Publication number Publication date
CN106895561A (en) 2017-06-27

Similar Documents

Publication Publication Date Title
US10443863B2 (en) Method of monitoring charge condition of heat pump system
CN106895561B (en) It is a kind of detection air-conditioner coolant leakage method, air conditioner control device and air conditioner
US11769118B2 (en) Systems and methods for automated diagnostics of HVAC systems
CN106352484B (en) One drags more air-conditionings and its refrigeration control method
CN103940058B (en) Air conditioner, and control method and device thereof
CN103134142B (en) Method for detecting complete blockage of air conditioning system
CN102901181B (en) Cold air prevention control method of air conditioner indoor unit
CN103940052B (en) Air-conditioner and its fault detection method
CN104374049B (en) The control method of air-conditioner, the control device of air-conditioner and air-conditioner
CN110736183B (en) Air conditioner refrigerant leakage detection method and device
CN105485856B (en) Method for detecting abnormality under air-conditioning system and air-conditioning system heating state
KR101502096B1 (en) Control method of air conditioner
CN109595741A (en) Air-conditioning and its coolant leakage detection method and device
CN107631442A (en) Control method, device, air conditioner and the computer-readable storage medium of air outlet angle
CN108168044A (en) Air-conditioning device and for judging the whether normal method of its operating status
US11879653B2 (en) Portable thermostat systems and methods
CN105716208A (en) Working control method and device of air conditioner
CN105674507A (en) Method and device for detecting refrigerants of air conditioner
CN105258304A (en) Low-temperature refrigeration control method, low-temperature refrigeration control device and air conditioner
CN104101143A (en) Air conditioner and control method thereof
CN110529974B (en) Refrigerant leakage detection method and device for air conditioner and air conditioner
CN104359186A (en) Control method for air conditioner and control device for air conditioner
CN107023935B (en) Air-conditioning system and its halt control method
CN110081560B (en) Method and device for adjusting running frequency of fan
CN109945404A (en) Anti- judge by accident lacks fluorine detection method and air conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant