CN110044025A - Refrigerant leakage detection method, system and the air-conditioning of air-conditioning - Google Patents
Refrigerant leakage detection method, system and the air-conditioning of air-conditioning Download PDFInfo
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- CN110044025A CN110044025A CN201910359190.9A CN201910359190A CN110044025A CN 110044025 A CN110044025 A CN 110044025A CN 201910359190 A CN201910359190 A CN 201910359190A CN 110044025 A CN110044025 A CN 110044025A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 109
- 239000003507 refrigerant Substances 0.000 title claims abstract description 85
- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 239000002826 coolant Substances 0.000 claims description 19
- 230000006870 function Effects 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 2
- 241000208340 Araliaceae Species 0.000 claims 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 2
- 235000008434 ginseng Nutrition 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 7
- 238000004590 computer program Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- 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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
-
- 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
Abstract
The application proposes refrigerant leakage detection method, system and the air-conditioning of a kind of air-conditioning.Wherein, the refrigerant leakage detection method of air-conditioning, comprising: during operation of air conditioner, detect air conditioner operation parameters；Delivery temperature threshold value and system pressure threshold value are determined according to the air conditioner operation parameters；Obtain real-time delivery temperature and system pressure；Judge whether the refrigerant of the air-conditioning leaks according to the delivery temperature threshold value, system pressure threshold value, the real-time delivery temperature and system pressure.The refrigerant leakage detection method of the air-conditioning of the application can accurately judge whether refrigerant leaks, and have the advantages that testing result is reliable.
Description
Technical field
This application involves field of home appliance technology, in particular to the refrigerant leakage detection method of a kind of air-conditioning, system
And air-conditioning.
Background technique
The refrigerant of air-conditioning leaks, and refrigeration, the heating for not only influencing air-conditioning are horizontal, and there is also security risks, such as:
, may be on fire when leaking excessive for flammable refrigerant, there are security risks, and therefore, it is necessary to detect whether refrigerant is sent out
Raw leakage.In the related technology, can determine whether to leak by way of the refrigerant concentration of detection leakage, such as:
When the concentration detected reaches specific threshold value, determination is leaked.Whether rise also by detection refrigerant concentration
Judge whether refrigerant leaks.
There are following technical problems:
By way of the refrigerant concentration of detection leakage, when the setting of specific threshold value is larger, the response of leakage is judged
Speed is slower, and when specific threshold value is arranged smaller, after sensor long-play, characteristic may change, and cause to survey
Magnitude be easy to cause there are certain deviation and fails to judge, judges by accident, judging result inaccuracy.Equally, it is by detecting refrigerant concentration
The mode of no rising, it may be assumed that if the concentration of subsequent detection be greater than before detect concentration, it may be assumed that the concentration of subsequent detection with before
The difference of the concentration of detection is greater than zero, just determines there is leakage, at this point, when acquisition is fluctuated, it is also possible to influence judgement
Accuracy.
Summary of the invention
The application aims to solve at least one of above-mentioned technical problem.
For this purpose, the purpose of the application is to propose a kind of refrigerant leakage detection method of air-conditioning.This method can be with
Accurately judge whether refrigerant leaks, has the advantages that testing result is reliable.
Second purpose of the application is to propose a kind of refrigerant leak detection system of air-conditioning.
The third purpose of the application is to propose a kind of air-conditioning.
The 4th purpose of the application is to propose a kind of non-transitorycomputer readable storage medium.
The 5th purpose of the application is to propose a kind of apparatus of air conditioning.
To achieve the goals above, the embodiment of the first aspect of the application discloses a kind of refrigerant leakage inspection of air-conditioning
Survey method, comprising the following steps: during operation of air conditioner, detect air conditioner operation parameters；It is determined according to the air conditioner operation parameters
Delivery temperature threshold value and system pressure threshold value；Obtain real-time delivery temperature and system pressure；According to the delivery temperature threshold value,
System pressure threshold value, the real-time delivery temperature and system pressure judge whether the refrigerant of the air-conditioning leaks.
According to the refrigerant leakage detection method of the air-conditioning of the application, it can accurately judge whether refrigerant is let out
Leakage, has the advantages that testing result is reliable.
In some instances, the air conditioner operation parameters include outdoor environment temperature, described to be joined according to the operation of air conditioner
Number determines delivery temperature threshold value and system pressure threshold value, comprising: corresponds to table according to preset temperature-parameter, inquiry corresponds to institute
State the delivery temperature threshold value and system pressure threshold value of outdoor environment temperature, wherein it includes outdoor ring that the temperature-parameter, which corresponds to table,
The corresponding relationship of border temperature, delivery temperature threshold value and system pressure threshold value.
In some instances, the air conditioner operation parameters include outdoor environment temperature and compressor operating frequency, and described
Determine delivery temperature threshold value and system pressure threshold value according to the air conditioner operation parameters, comprising: according to by the outdoor environment temperature,
The function that compressor operating frequency, the delivery temperature threshold value and system pressure threshold value are constituted determine the delivery temperature threshold value and
System pressure threshold value.
In some instances, the air conditioner operation parameters include outdoor environment temperature, indoor environment temperature and compressor fortune
Line frequency, it is described to determine delivery temperature threshold value and system pressure threshold value according to the air conditioner operation parameters, comprising: according to by described
Outdoor environment temperature, the indoor environment temperature, compressor operating frequency, the delivery temperature threshold value and system pressure threshold value structure
At function determine the delivery temperature threshold value and system pressure threshold value.
In some instances, described according to the delivery temperature threshold value, system pressure threshold value, the real-time delivery temperature
Judge whether the refrigerant of the air-conditioning leaks with system pressure, comprising: it is described to judge whether the real-time delivery temperature is greater than
Delivery temperature threshold value；Judge whether the real-time system pressure is less than the system pressure threshold value；If the real-time row
Temperature degree is greater than the delivery temperature threshold value and the real-time system pressure is less than the system pressure threshold value, then described in judgement
The coolant leakage of air-conditioning.
In some instances, further includes: when determining the coolant leakage of the air-conditioning, alarm
In some instances, further includes: when air-conditioning is switched on, obtain the system-down pressure threshold for corresponding to the environment temperature
Value；Judge whether the difference between the system-down pressure threshold and current system pressure threshold value is greater than preset value；If
It is then to determine the coolant leakage of the air-conditioning.
The embodiment of the second aspect of the application discloses a kind of refrigerant leak detection system of air-conditioning, comprising: detection
Module, for detecting air conditioner operation parameters during operation of air conditioner；Threshold determination module, for according to the operation of air conditioner
Parameter determines delivery temperature threshold value and system pressure threshold value；Module is obtained, for obtaining real-time delivery temperature and system pressure；
Judgment module, for being sentenced according to the delivery temperature threshold value, system pressure threshold value, the real-time delivery temperature and system pressure
Whether the refrigerant of the air-conditioning of breaking leaks.
According to the refrigerant leak detection system of the air-conditioning of the embodiment of the present application, accurately whether refrigerant can be judged
It leaks, has the advantages that testing result is reliable.
In some instances, the air conditioner operation parameters include outdoor environment temperature, and the threshold determination module is used for root
Table is corresponded to according to preset temperature-parameter, inquiry corresponds to the delivery temperature threshold value and system pressure threshold of the outdoor environment temperature
Value, wherein the temperature-parameter corresponds to the correspondence that table includes outdoor environment temperature, delivery temperature threshold value and system pressure threshold value
Relationship.
In some instances, the air conditioner operation parameters include outdoor environment temperature and compressor operating frequency, the threshold
It is worth determining module to be used for according to by the outdoor environment temperature, compressor operating frequency, the delivery temperature threshold value and system pressure
The function that force threshold is constituted determines the delivery temperature threshold value and system pressure threshold value.
In some instances, the air conditioner operation parameters include outdoor environment temperature, indoor environment temperature and compressor fortune
Line frequency, the threshold determination module are used to run according to by the outdoor environment temperature, the indoor environment temperature, compressor
The function that frequency, the delivery temperature threshold value and system pressure threshold value are constituted determines the delivery temperature threshold value and system pressure threshold
Value.
In some instances, the judgment module is for judging whether the real-time delivery temperature is greater than the exhaust temperature
Threshold value is spent, and judges whether the real-time system pressure is less than the system pressure threshold value, and in the real-time exhaust
Temperature determines the sky greater than the delivery temperature threshold value and when the real-time system pressure is less than the system pressure threshold value
The coolant leakage of tune.
In some instances, further includes: alarm module, for determining the coolant leakage of the air-conditioning in the judgment module
When, it alarms.
In some instances, the judgment module is also used to obtain when air-conditioning is switched on and correspond to the environment temperature
System-down pressure threshold, and whether judge the difference between the system-down pressure threshold and current system pressure threshold value
Greater than preset value, and when the difference is greater than the preset value, the coolant leakage of the air-conditioning is determined.
The embodiment of the third aspect of the application discloses a kind of air-conditioning, comprising: according to above-mentioned second aspect
The refrigerant leak detection system of air-conditioning.The air-conditioning can accurately judge whether refrigerant leaks, and have detection knot
The reliable advantage of fruit effectively promotes the detection efficiency of refrigerant leakage in addition, detection speed is fast.
The embodiment of the fourth aspect of the application discloses a kind of non-transitorycomputer readable storage medium, stores thereon
Air-conditioned refrigerant leak detection program, the refrigerant leak detection program of the air-conditioning realize above-mentioned when being executed by processor
The refrigerant leakage detection method of air-conditioning described in one side.
The embodiment of the 5th aspect of the application discloses a kind of apparatus of air conditioning, including memory, processor and deposits
The refrigerant leak detection program for the air-conditioning that can be run on a memory and on a processor is stored up, the processor executes the sky
The refrigerant leakage detection method of air-conditioning described in above-mentioned first aspect is realized when the refrigerant leak detection program of tune.The air
Adjustment equipment can accurately judge whether refrigerant leaks, and have the advantages that testing result is reliable.
The additional aspect and advantage of the application will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage combination following accompanying drawings of the application in the description of embodiment to will become
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart according to the refrigerant leakage detection method of the air-conditioning of the application one embodiment；
Fig. 2 is the structural block diagram according to the refrigerant leak detection system of the air-conditioning of the application one embodiment.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the application, and should not be understood as the limitation to the application.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the application and simplifies description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the application.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
Below in conjunction with attached drawing description according to refrigerant leakage detection method, system and the sky of the air-conditioning of the embodiment of the present application
It adjusts.
Fig. 1 is the flow chart according to the refrigerant leakage detection method of the air-conditioning of the embodiment of the present application.As shown in Figure 1, root
According to the refrigerant leakage detection method of the air-conditioning of the application one embodiment, include the following steps:
S101: during operation of air conditioner, air conditioner operation parameters are detected.
Wherein, air conditioner operation parameters include outdoor environment temperature, alternatively, air conditioner operation parameters include outdoor environment temperature and
Compressor operating frequency, alternatively, air conditioner operation parameters include outdoor environment temperature, indoor environment temperature and compressor operation frequency
Rate.
Wherein, outdoor environment temperature, indoor environment temperature can detect to obtain by temperature sensor.Compressor operation frequency
Rate can detecte to obtain, such as: it is determined according to electric current and voltage.
In the specific example of the application, in order to keep the environment temperature detected accurate and reliable, the operation of air conditioner predetermined time
Afterwards, air conditioner operation parameters detection is carried out, such as: after operation of air conditioner 15 minutes, detect outdoor environment temperature, indoor environment temperature
With compressor operating frequency etc..
S102: delivery temperature threshold value and system pressure threshold value are determined according to air conditioner operation parameters.
In first example, air conditioner operation parameters include outdoor environment temperature, then true according to the air conditioner operation parameters
Determine delivery temperature threshold value and system pressure threshold value, comprising: table is corresponded to according to preset temperature-parameter, inquiry corresponds to the room
The delivery temperature threshold value and system pressure threshold value of external environment temperature, wherein it includes outdoor environment temperature that the temperature-parameter, which corresponds to table,
The corresponding relationship of degree, delivery temperature threshold value and system pressure threshold value.
Wherein, that parameter corresponds to table to temperature-is as shown in table 1.
Table 1
Wherein, T4 is outdoor environment temperature, Pc is system pressure threshold value, TP is delivery temperature threshold value.
In second example, air conditioner operation parameters include outdoor environment temperature and compressor operating frequency, then according to sky
Operating parameter is adjusted to determine delivery temperature threshold value and system pressure threshold value, comprising: according to by the outdoor environment temperature, compressor fortune
The function that line frequency, the delivery temperature threshold value and system pressure threshold value are constituted determines the delivery temperature threshold value and system pressure
Threshold value.
Wherein, function can be illustrated are as follows: TP=f (T4, F), Pc=f (T4, F), wherein F is compressor operating frequency.Example
Such as:
T4=35 DEG C of outdoor temperature, when running frequency is 90Hz, TP=105 DEG C, Pc=1.6MPa；
T4=35 DEG C of outdoor temperature, when running frequency is 80Hz, TP=95 DEG C, Pc=1.5MPa；
T4=45 DEG C of outdoor temperature, when running frequency is 65Hz, TP=100 DEG C, Pc=1.6MPa.
In third example, air conditioner operation parameters include outdoor environment temperature, indoor environment temperature and compressor operation
Frequency then determines delivery temperature threshold value and system pressure threshold value according to air conditioner operation parameters, comprising: according to by outdoor environment temperature
The function that degree, indoor environment temperature, compressor operating frequency, delivery temperature threshold value and system pressure threshold value are constituted determines exhaust temperature
Spend threshold value and system pressure threshold value.
Wherein, function can be illustrated are as follows: TP=f (T1, T4, F), Pc=f (T1, T4, F), wherein T1 is indoor environment temperature
Degree.Such as:
T1=27 DEG C of indoor environment temperature, T4=35 DEG C of outdoor temperature, when running frequency is 90Hz, TP=105 DEG C, Pc=
1.6MPa；
T1=27 DEG C of indoor environment temperature, T4=35 DEG C of outdoor temperature, when running frequency is 80Hz, TP=95 DEG C, Pc=
1.5MPa；
T1=30 DEG C of indoor environment temperature, T4=45 DEG C of outdoor temperature, when running frequency is 65Hz, TP=100 DEG C, Pc=
1.6MPa。
S103: real-time delivery temperature and system pressure are obtained.
Wherein, real-time delivery temperature TP1 can be calculated, and real-time system pressure Pc1 refers in outdoor heat exchanger
Portion's pressure can detect to obtain by pressure sensor.
S104: air-conditioning is judged according to delivery temperature threshold value, system pressure threshold value, real-time delivery temperature and system pressure
Whether refrigerant leaks.
Such as: judge whether real-time delivery temperature is greater than delivery temperature threshold value, and whether judges real-time system pressure
Less than system pressure threshold value, if delivery temperature is greater than delivery temperature threshold value in real time and real-time system pressure is less than system pressure
Force threshold then determines the coolant leakage of air-conditioning, further, when determining the coolant leakage of air-conditioning, can also alarm, thus
It finds that user in time, quickly takes counter-measure.
That is: judge TP1 > TP and whether Pc1 < Pc is true, if set up, illustrate that the refrigerant of air-conditioning leaks.
This method not only can accurately be detected to refrigerant leakage whether occur during operation of air conditioner, can be with
Judge whether air-conditioning downtime is leaked in starting of air conditioner process, as a specific example, the refrigerant of air-conditioning
Leakage detection method, further includes: when air-conditioning is switched on, obtain the system-down pressure threshold for corresponding to the environment temperature；Judgement
Whether the difference between the system-down pressure threshold and current system pressure threshold value is greater than preset value；If it is, sentencing
The coolant leakage of the fixed air-conditioning.
That is: when air-conditioning is opened, detection current outdoor environment temperature T4 first, it is then possible to be inquired referring to above-mentioned table 1
Corresponding to current outdoor environment temperature T4 when air-conditioning is shut down corresponding system-down pressure threshold P0,
According to real-time system pressure Pc, judge whether P0-Pc > △ P is true, if set up, illustrates that air-conditioning has system
Cryogen leakage failure can report coolant leakage failure, and air-conditioning is made to shut down in turn.Wherein, △ P is preset value, and value is, for example,
0~0.5MPa takes 0.2MPa in this example.
According to the refrigerant leak detection system of the air-conditioning of the embodiment of the present application, accurately whether refrigerant can be judged
It leaks, has the advantages that testing result is reliable.
Fig. 2 is the structural block diagram according to the refrigerant leak detection system of the air-conditioning of the application one embodiment.Such as Fig. 2 institute
Show, according to the refrigerant leak detection system 200 of the air-conditioning of the application one embodiment, comprising: detection module 210, threshold value are true
Cover half block 220 obtains module 230 and judgment module 240.
Wherein, detection module 210 is used for during operation of air conditioner, detects air conditioner operation parameters.Threshold determination module 220
For determining delivery temperature threshold value and system pressure threshold value according to the air conditioner operation parameters.Module 230 is obtained for obtaining reality
When delivery temperature and system pressure.Judgment module 240 is used for according to the delivery temperature threshold value, system pressure threshold value, described
Real-time delivery temperature and system pressure judge whether the refrigerant of the air-conditioning leaks.
In one embodiment of the application, air conditioner operation parameters include outdoor environment temperature, the threshold determination module
220 for corresponding to table according to preset temperature-parameter, and inquiry corresponds to the delivery temperature threshold value of the outdoor environment temperature and is
System pressure threshold, wherein it includes outdoor environment temperature, delivery temperature threshold value and system pressure threshold that the temperature-parameter, which corresponds to table,
The corresponding relationship of value.
In one embodiment of the application, the air conditioner operation parameters include outdoor environment temperature and compressor operation frequency
Rate, the threshold determination module 220 are used for according to by the outdoor environment temperature, compressor operating frequency, the delivery temperature
The function that threshold value and system pressure threshold value are constituted determines the delivery temperature threshold value and system pressure threshold value.
In one embodiment of the application, the air conditioner operation parameters include outdoor environment temperature, indoor environment temperature
And compressor operating frequency, the threshold determination module 220 are used for according to by the outdoor environment temperature, the indoor environment temperature
The function that degree, compressor operating frequency, the delivery temperature threshold value and system pressure threshold value are constituted determines the delivery temperature threshold
Value and system pressure threshold value.
In one embodiment of the application, whether the judgment module 230 is for judging the real-time delivery temperature
Greater than the delivery temperature threshold value, and judge whether the real-time system pressure is less than the system pressure threshold value, Yi Ji
The real-time delivery temperature is greater than the delivery temperature threshold value and the real-time system pressure is less than the system pressure threshold
When value, the coolant leakage of the air-conditioning is determined.
In one embodiment of the application, further includes: alarm module (is not shown) in Fig. 2, in the judgement
When module determines the coolant leakage of the air-conditioning, alarm.
In one embodiment of the application, the judgment module 230 is also used to obtain when air-conditioning is switched on and correspond to institute
State the system-down pressure threshold of environment temperature, and judge the system-down pressure threshold and current system pressure threshold value it
Between difference whether be greater than preset value, and when the difference is greater than the preset value, determine the coolant leakage of the air-conditioning.
The refrigerant leak detection system of the air-conditioning of the embodiment of the present application can accurately judge whether refrigerant occurs
Leakage, has the advantages that testing result is reliable.
It should be noted that the specific implementation of the refrigerant leak detection system of the air-conditioning of the embodiment of the present application and sheet
Apply for that the specific implementation of the refrigerant leakage detection method of the air-conditioning of embodiment is similar, specifically refers to retouching for method part
It states, is not repeated herein.
Further, embodiments herein discloses a kind of air-conditioning, comprising: according to any one above-mentioned embodiment
Air-conditioning refrigerant leak detection system.The air-conditioning can accurately judge whether refrigerant leaks, and have detection
As a result reliable advantage.
Further, embodiments herein discloses a kind of non-transitorycomputer readable storage medium, stores thereon
There is computer program, the air-conditioning according to any one above-mentioned embodiment is realized when the computer program is executed by processor
Refrigerant leakage detection method.
Further, embodiments herein discloses a kind of apparatus of air conditioning, is stored thereon with computer program, institute
State the refrigerant leakage inspection that the air-conditioning according to any one above-mentioned embodiment is realized when computer program is executed by processor
Survey method.
It according to the apparatus of air conditioning of the embodiment of the present application, can accurately judge whether refrigerant leaks, have
Have the advantages that testing result is reliable.
In one embodiment of the application, the apparatus of air conditioning is, for example, air-conditioning.
In addition, according to other compositions of the apparatus of air conditioning of the embodiment of the present application and effect for the common of this field
All be for technical staff it is known, in order to reduce redundancy, be not repeated herein.
Above-mentioned non-transitorycomputer readable storage medium can appointing using one or more computer-readable media
Meaning combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.Computer can
Reading storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device
Or device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes:
Electrical connection, portable computer diskette, hard disk, random access memory (RAM), read-only storage with one or more conducting wires
Device (Read Only Memory；Hereinafter referred to as: ROM), erasable programmable read only memory (Erasable
Programmable Read Only Memory；Hereinafter referred to as: EPROM) or flash memory, optical fiber, portable compact disc are read-only deposits
Reservoir (CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer
Readable storage medium storing program for executing can be any tangible medium for including or store program, which can be commanded execution system, device
Either device use or in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including --- but
It is not limited to --- electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Transmission is for by the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In --- wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
Can with one or more programming languages or combinations thereof come write for execute the application operation computer
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
It further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
It is related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (Local
Area Network；Hereinafter referred to as: LAN) or wide area network (Wide AreaNetwork；Hereinafter referred to as: WAN) it is connected to user's meter
Calculation machine, or, it may be connected to outer computer (such as being connected using ISP by internet).
While there has been shown and described that embodiments herein, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle and objective of the application, this
The range of application is by claim and its equivalent limits.
Claims (17)
1. a kind of refrigerant leakage detection method of air-conditioning, which comprises the following steps:
During operation of air conditioner, air conditioner operation parameters are detected；
Delivery temperature threshold value and system pressure threshold value are determined according to the air conditioner operation parameters；
Obtain real-time delivery temperature and system pressure；
The sky is judged according to the delivery temperature threshold value, system pressure threshold value, the real-time delivery temperature and system pressure
Whether the refrigerant of tune leaks.
2. the refrigerant leakage detection method of air-conditioning according to claim 1, which is characterized in that the air conditioner operation parameters
It is described to determine delivery temperature threshold value and system pressure threshold value according to the air conditioner operation parameters including outdoor environment temperature, comprising:
Table is corresponded to according to preset temperature-parameter, inquiry corresponds to the delivery temperature threshold value and system of the outdoor environment temperature
Pressure threshold, wherein it includes outdoor environment temperature, delivery temperature threshold value and system pressure threshold value that the temperature-parameter, which corresponds to table,
Corresponding relationship.
3. the refrigerant leakage detection method of air-conditioning according to claim 1, which is characterized in that the air conditioner operation parameters
It is described to determine delivery temperature threshold value according to the air conditioner operation parameters and be including outdoor environment temperature and compressor operating frequency
System pressure threshold, comprising:
It is constituted according to by the outdoor environment temperature, compressor operating frequency, the delivery temperature threshold value and system pressure threshold value
Function determine the delivery temperature threshold value and system pressure threshold value.
4. the refrigerant leakage detection method of air-conditioning according to claim 1, which is characterized in that the air conditioner operation parameters
Including outdoor environment temperature, indoor environment temperature and compressor operating frequency, described determined according to the air conditioner operation parameters is arranged
Gas temperature threshold and system pressure threshold value, comprising:
According to by the outdoor environment temperature, the indoor environment temperature, compressor operating frequency, the delivery temperature threshold value and
The function that system pressure threshold value is constituted determines the delivery temperature threshold value and system pressure threshold value.
5. the refrigerant leakage detection method of air-conditioning according to claim 1-4, which is characterized in that the basis
The delivery temperature threshold value, system pressure threshold value, the real-time delivery temperature and system pressure judge the refrigerant of the air-conditioning
Whether leak, comprising:
Judge whether the real-time delivery temperature is greater than the delivery temperature threshold value；
Judge whether the real-time system pressure is less than the system pressure threshold value；
If the real-time delivery temperature is greater than the delivery temperature threshold value and the real-time system pressure is less than the system
System pressure threshold, then determine the coolant leakage of the air-conditioning.
6. the refrigerant leakage detection method of air-conditioning according to claim 5, which is characterized in that further include: determining institute
When stating the coolant leakage of air-conditioning, alarm.
7. the refrigerant leakage detection method of air-conditioning according to claim 1-4, which is characterized in that further include:
When air-conditioning is switched on, the system-down pressure threshold for corresponding to the outdoor environment temperature is obtained；
Judge whether the difference between the system-down pressure threshold and current system pressure threshold value is greater than preset value；
If it is, determining the coolant leakage of the air-conditioning.
8. a kind of refrigerant leak detection system of air-conditioning characterized by comprising
Detection module, for detecting air conditioner operation parameters during operation of air conditioner；
Threshold determination module, for determining delivery temperature threshold value and system pressure threshold value according to the air conditioner operation parameters；
Module is obtained, for obtaining real-time delivery temperature and system pressure；
Judgment module, for according to the delivery temperature threshold value, system pressure threshold value, the real-time delivery temperature and system pressure
Power judges whether the refrigerant of the air-conditioning leaks.
9. the refrigerant leak detection system of air-conditioning according to claim 8, which is characterized in that the air conditioner operation parameters
Including outdoor environment temperature, the threshold determination module is used to correspond to table according to preset temperature-parameter, and inquiry corresponds to described
The delivery temperature threshold value and system pressure threshold value of outdoor environment temperature, wherein it includes outdoor environment that the temperature-parameter, which corresponds to table,
The corresponding relationship of temperature, delivery temperature threshold value and system pressure threshold value.
10. the refrigerant leak detection system of air-conditioning according to claim 8, which is characterized in that the operation of air conditioner ginseng
Number includes outdoor environment temperature and compressor operating frequency, and the threshold determination module is used for according to by the outdoor environment temperature
The function that degree, compressor operating frequency, the delivery temperature threshold value and system pressure threshold value are constituted determines the delivery temperature threshold
Value and system pressure threshold value.
11. the refrigerant leak detection system of air-conditioning according to claim 8, which is characterized in that the operation of air conditioner ginseng
Number includes outdoor environment temperature, indoor environment temperature and compressor operating frequency, and the threshold determination module is used for according to by institute
State outdoor environment temperature, the indoor environment temperature, compressor operating frequency, the delivery temperature threshold value and system pressure threshold value
The function of composition determines the delivery temperature threshold value and system pressure threshold value.
12. according to the refrigerant leak detection system of the described in any item air-conditionings of claim 8-11, which is characterized in that described to sentence
Disconnected module judges the real-time system for judging whether the real-time delivery temperature is greater than the delivery temperature threshold value
Whether pressure is less than the system pressure threshold value, and is greater than the delivery temperature threshold value and institute in the real-time delivery temperature
When stating real-time system pressure less than the system pressure threshold value, the coolant leakage of the air-conditioning is determined.
13. the refrigerant leak detection system of air-conditioning according to claim 12, which is characterized in that further include: alarm mould
Block is alarmed when for determining the coolant leakage of the air-conditioning in the judgment module.
14. according to the refrigerant leak detection system of the described in any item air-conditionings of claim 8-11, which is characterized in that described to sentence
Disconnected module is also used to obtain the system-down pressure threshold for corresponding to the environment temperature, and described in judgement when air-conditioning is switched on
Whether the difference between system-down pressure threshold and current system pressure threshold value is greater than preset value, and is greater than in the difference
When the preset value, the coolant leakage of the air-conditioning is determined.
15. a kind of air-conditioning characterized by comprising leaked according to the refrigerant of the described in any item air-conditionings of claim 8-14
Detection system.
16. a kind of non-transitorycomputer readable storage medium is stored thereon with the refrigerant leak detection program of air-conditioning, the sky
The refrigerant leak detection program of tune realizes the refrigerant leakage of air-conditioning as claimed in claim 1 to 7 when being executed by processor
Detection method.
17. a kind of apparatus of air conditioning, which is characterized in that including memory, processor and store on a memory and can locate
The refrigerant leak detection program of the air-conditioning run on reason device, the processor execute the refrigerant leak detection journey of the air-conditioning
The refrigerant leakage detection method of air-conditioning as claimed in claim 1 to 7 is realized when sequence.
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