CN105004492A - Method and device for detecting leakage of refrigerant of air conditioning unit - Google Patents
Method and device for detecting leakage of refrigerant of air conditioning unit Download PDFInfo
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- CN105004492A CN105004492A CN201510420258.1A CN201510420258A CN105004492A CN 105004492 A CN105004492 A CN 105004492A CN 201510420258 A CN201510420258 A CN 201510420258A CN 105004492 A CN105004492 A CN 105004492A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004378 air conditioning Methods 0.000 title abstract description 7
- 239000003507 refrigerant Substances 0.000 title abstract description 5
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The invention discloses a method and a device for detecting refrigerant leakage of an air conditioning unit. Wherein, the method comprises the following steps: determining the current running state of a compressor in an air conditioning unit; detecting the pressure value of the compressor in the current operation state, and acquiring a preset detection condition corresponding to the current operation state; and determining that the refrigerant leaks when the pressure value meets the preset detection condition. The invention solves the technical problem that the refrigerant leakage detection of the compressor under different running states is inaccurate.
Description
Technical field
The present invention relates to air conditioner field, in particular to a kind of detection method and device of air-conditioner set refrigrant leakage.
Background technology
When the cold-producing medium of air-conditioning system (as refrigeration system) occurs that small scale is leaked, easily cause compressor oil return not enough, long-time running easily causes physical damage to compressor; When the cold-producing medium of air-conditioning system occurs that vast scale leaks, the compressor of air-conditioning system runs owing to exceeding safe range, easily causes compressor and burns.
Whether current technology is all adopt pressure switch or pressure transducer to detect cold-producing medium to leak; when the low voltage value detected is lower than setting value; send protection instruction; complete machine is stopped to run; but air-conditioning system is bringing into operation in stable process, due to the impact of outer work condition (as start and water temperature), also there will be the phenomenon of low voltage value lower than setting value; now easily there is by mistake protection in system, but in fact system itself without leakage of refrigerant.
For above-mentioned problem, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide a kind of detection method and device of air-conditioner set refrigrant leakage, detect inaccurate technical matters at least to solve the refrigrant leakage of compressor under different running status.
According to an aspect of the embodiment of the present invention, provide a kind of detection method of air-conditioner set refrigrant leakage, comprising: the current operating conditions determining the compressor in air-conditioner set; Detect the force value of described compressor under described current operating conditions, and obtain the default testing conditions corresponding with described current operating conditions; When described force value meets described default testing conditions, determine refrigrant leakage.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of pick-up unit of air-conditioner set refrigrant leakage, comprising: determining unit, for determining the current operating conditions of the compressor in air-conditioner set; Detecting unit, for detecting the force value of described compressor under described current operating conditions; Acquiring unit, for obtaining the default testing conditions corresponding with described current operating conditions; Processing unit, for when described force value meets described default testing conditions, determines refrigrant leakage.
In embodiments of the present invention, the current operating conditions of the compressor in air-conditioner set is determined; Detect the force value of this compressor in this prior under running status, and obtain the default testing conditions corresponding with this current operating conditions; When this force value meets this default testing conditions, determine refrigrant leakage.Thus carry out the detection of refrigrant leakage according to the running status of current compressor, and then solve the refrigrant leakage of compressor under different running status and detect inaccurate technical matters.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the method schematic diagram of the detection of a kind of optional air-conditioner set refrigrant leakage according to the embodiment of the present invention;
Fig. 2 is the method schematic diagram of the detection according to the optional air-conditioner set refrigrant leakage of the another kind of the embodiment of the present invention;
Fig. 3 is the structural representation of the pick-up unit of a kind of optional air-conditioner set refrigrant leakage according to the embodiment of the present invention;
Fig. 4 is the structural representation of the pick-up unit according to the optional air-conditioner set refrigrant leakage of the another kind of the embodiment of the present invention;
Fig. 5 is the structural representation of the pick-up unit of another optional air-conditioner set refrigrant leakage according to the embodiment of the present invention.
Embodiment
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in instructions of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to the embodiment of the present invention, provide a kind of detection method embodiment of air-conditioner set refrigrant leakage, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Fig. 1 is the detection method of a kind of air-conditioner set refrigrant leakage according to the embodiment of the present invention, and as shown in Figure 1, the executive agent of the method can be pick-up unit, and the method comprises the steps:
The current operating conditions of step S102, the compressor determined in air-conditioner set.
Wherein, this running status comprises holding state (namely this compressor does not also start) and starting state.
Step S104, detect the force value of this compressor in this prior under running status, and obtain the default testing conditions corresponding with this current operating conditions.
Particularly, the aspirating air pipe of this compressor can be gathered by pressure acquisition device, obtain the force value under current operating conditions, this pressure acquisition device can be pressure transducer or pressure switch, this pick-up unit generates detection signal and sends to pressure acquisition device, and this pressure acquisition device gathers force value after receiving this detection signal.
Step S106, when this force value meets this default testing conditions, determine refrigrant leakage.
By adopting above-mentioned steps, determine the current operating conditions of the compressor in air-conditioner set; Detect the force value of this compressor in this prior under running status, and obtain the default testing conditions corresponding with this current operating conditions; When this force value meets this default testing conditions, determine refrigrant leakage.Thus carry out the detection of refrigrant leakage according to the running status of current compressor, and then solve the refrigrant leakage of compressor under different running status and detect inaccurate technical matters.
Alternatively, when the current operating conditions of this compressor is holding state, this default testing conditions is default scheduled pressure value, when this force value is less than this scheduled pressure value, determines this refrigrant leakage; When this force value is more than or equal to this scheduled pressure value, generate enabled instruction, wherein, this enabled instruction is for starting this compressor.
Particularly, after air-conditioner set powers on, when pick-up unit determines that now compressor is in holding state (namely this compressor is not opened), detect the force value of this compressor under this holding state, when determining that this force value is less than scheduled pressure value, determine this refrigrant leakage, when force value is more than or equal to this scheduled pressure value, then determine that this cold-producing medium does not leak, and generate enabled instruction, and this enabled instruction is sent to compressor to start compressor, like this, the leakage whether cold-producing medium occurs is detected before compressor start, thus avoid when compressor does not also start because refrigrant leakage causes the damage that causes compressor when starting compressor.
Alternatively, when the current operating conditions of this compressor is starting state, at this compressor start and after reaching Preset Time, the force value of this compressor is detected in predetermined period, be accumulated in this predetermined period and occur that the force value of this compressor is more than or equal to the number of times of scheduled pressure value, and when this number of times is more than or equal to pre-determined number, determine this refrigrant leakage.
In a kind of possible implementation of the present invention, after startup compressor, record Preset Time, such as can by this Preset Time of timer record, after reaching this Preset Time, the force value of this compressor is detected in predetermined period, and be accumulated in this predetermined period and occur that the force value of this compressor is more than or equal to the number of times of scheduled pressure value, and when this number of times is more than or equal to pre-determined number, determine this refrigrant leakage, when this number of times is less than pre-determined number, keep the operation of compressor, and continue the force value detecting this air-conditioner set in next predetermined period, and carry out the detection of refrigrant leakage in the manner described above, like this, owing to carrying out the detection of refrigrant leakage after reaching Preset Time again, thus avoid the problem of the error detection caused lower than scheduled pressure value (in fact cold-producing medium may not leak) due to force value when compressor just starts, and then prevent the problem causing protection by mistake due to error detection.
In addition; occur that the force value of this compressor is more than or equal to the number of times of scheduled pressure value by being accumulated in this predetermined period; and when this number of times is more than or equal to pre-determined number; determine this refrigrant leakage; avoid and occur that force value causes the problem of error detection lower than scheduled pressure value because of outer work condition fluctuation (such as water temperature), and then prevent the problem causing protection by mistake due to error detection.
It should be noted that, the scope that arranges of above-mentioned Preset Time can be 0.5 minute to 2 minutes, and the scope that arranges of above-mentioned predetermined period can be 1 minute to 2 minutes, and above-mentioned pre-determined number can be 2 times to 4 times, the setting of above-mentioned numerical value just illustrates, the present invention is not construed as limiting this.
Alternatively, above-mentioned scheduled pressure value is obtained by following formula:
P=k*y, wherein, P is this scheduled pressure value, and k is parameter preset, and y is saturation pressure corresponding to system critical temperature.
It should be noted that, this system critical temperature is ensure that this air-conditioner set carries out the critical temperature of normal reliable operation, when the temperature that air-conditioner set runs exceedes this temperature, can cause the damage of compressor (as cause the frosting of compressor thus damage compressor), then this saturation pressure is force value corresponding when this air-conditioner set operates in this system critical temperature.
In addition, the scope that arranges of k can be 1.05 to 1.1, and the present invention is not construed as limiting this.
Alternatively, after determining refrigrant leakage, send the steering order stopped for controlling this compressor to this compressor.
Wherein, compressor, after receiving this steering order, stops the operation of compressor.
Alternatively, after determining refrigrant leakage, send the hint instructions of reporting to the police for controlling this warning device to warning device.
It should be noted that, before compressor start, because compressor does not also start, therefore when determining compressor leakage, send warning message by warning device, thus alert checks to compressor and repairs, after compressor start, when determining compressor leakage, stopping the operation of compressor and sending warning message by warning device, with alert compressor checked and repair.
In addition, this warning device can give the alarm, also can by the terminal demonstration of connection to user, and certainly, the terminal demonstration that also can pass through to connect while giving the alarm is to user, and the present invention is not construed as limiting this.
By adopting above-mentioned steps, the detection of refrigrant leakage can be carried out according to the running status of current compressor, and then solve the refrigrant leakage of compressor under different running status and detect inaccurate technical matters.
The detection method of a kind of air-conditioner set refrigrant leakage that Fig. 2 provides for the embodiment of the present invention, as shown in Figure 2, in embodiments of the present invention, this pick-up unit can be controller, and the method comprises:
After S201, air-conditioner set power on, controller, when determining that compressor does not start, detects the force value of this compressor by pressure acquisition device.
Wherein, this pressure acquisition device can be pressure switch or pressure transducer.
Particularly, the aspirating air pipe of this compressor can be gathered by pressure acquisition device, obtain the force value under current operating conditions, this pressure acquisition device can be pressure transducer or pressure switch, this pick-up unit generates detection signal and sends to pressure acquisition device, and this pressure acquisition device gathers force value after receiving this detection signal.
S202, controller judge whether this force value is less than scheduled pressure value.
When judged result is for being, perform step S207;
When judged result is no, perform step S203 to step S207.
Alternatively, above-mentioned scheduled pressure value is obtained by following formula:
P=k*y, wherein, P is this scheduled pressure value, and k is parameter preset, and y is saturation pressure corresponding to system critical temperature.
It should be noted that, this system critical temperature is ensure that this air-conditioner set carries out the critical temperature of normal reliable operation, when the temperature that air-conditioner set runs exceedes this temperature, can cause the damage of compressor (as cause the frosting of compressor thus damage compressor), then this saturation pressure is force value corresponding when this air-conditioner set operates in this system critical temperature.
In addition, the scope that arranges of k can be 1.05 to 1.1, and the present invention is not construed as limiting this.
S203, controller generate enabled instruction, and send this enabled instruction to compressor, to start compressor.
Wherein, this enabled instruction is for starting this compressor.
S204, this compressor reducer start and when reaching Preset Time, controller detects the force value of this compressor in predetermined period.
S205, controller are accumulated in this predetermined period and occur that the force value of this compressor is more than or equal to the number of times of scheduled pressure value, and when this number of times is more than or equal to pre-determined number, determine this refrigrant leakage.
In a kind of possible implementation of the present invention, after startup compressor, record Preset Time, such as can by this Preset Time of timer record, after reaching this Preset Time, the force value of this compressor is detected in predetermined period, and be accumulated in this predetermined period and occur that the force value of this compressor is more than or equal to the number of times of scheduled pressure value, and when this number of times is more than or equal to pre-determined number, determine this refrigrant leakage, when this number of times is less than pre-determined number, keep the operation of compressor, and continue the force value detecting this air-conditioner set in next predetermined period, and carry out the detection of refrigrant leakage in the manner described above, like this, owing to carrying out the detection of refrigrant leakage after reaching Preset Time again, thus avoid the problem of the error detection caused lower than scheduled pressure value (in fact cold-producing medium may not leak) due to force value when compressor just starts, and then prevent the problem causing protection by mistake due to error detection.
In addition; occur that the force value of this compressor is more than or equal to the number of times of scheduled pressure value by being accumulated in this predetermined period; and when this number of times is more than or equal to pre-determined number; determine this refrigrant leakage; avoid and occur that force value causes the problem of error detection lower than scheduled pressure value because of outer work condition fluctuation (such as water temperature), and then prevent the problem causing protection by mistake due to error detection.
It should be noted that, the scope that arranges of above-mentioned Preset Time can be 0.5 minute to 2 minutes, and the scope that arranges of above-mentioned predetermined period can be 1 minute to 2 minutes, and above-mentioned pre-determined number can be 2 times to 4 times, the setting of above-mentioned numerical value just illustrates, the present invention is not construed as limiting this.
S206, controller send the steering order stopped for controlling this compressor to compressor, out of service to control this compressor.
S207, controller send the hint instructions of reporting to the police for controlling this warning device to warning device, send warning message to control this warning device.
It should be noted that, before compressor start, because compressor does not also start, therefore when determining compressor leakage, send warning message by warning device, thus alert checks to compressor and repairs, after compressor start, when determining compressor leakage, stopping the operation of compressor and sending warning message by warning device, with alert compressor checked and repair.
In addition, this warning device can give the alarm, also can by the terminal demonstration of connection to user, and certainly, the terminal demonstration that also can pass through to connect while giving the alarm is to user, and the present invention is not construed as limiting this.
By adopting above-mentioned steps, the detection of refrigrant leakage can be carried out according to the running status of current compressor, and then solve the refrigrant leakage of compressor under different running status and detect inaccurate technical matters.
It should be noted that, to said method embodiment, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
The pick-up unit of a kind of air-conditioner set refrigrant leakage that Fig. 3 provides for the embodiment of the present invention, as shown in Figure 3, this pick-up unit comprises:
Determining unit 301, for determining the current operating conditions of the compressor in air-conditioner set;
Detecting unit 302, for detecting the force value of this compressor in this prior under running status;
Acquiring unit 303, for obtaining the default testing conditions corresponding with this current operating conditions;
Processing unit 304, for when this force value meets this default testing conditions, determines refrigrant leakage.
Alternatively, when the current operating conditions of this compressor is holding state, this default testing conditions is default scheduled pressure value, and this processing unit 304, for when this force value is less than this scheduled pressure value, determines this refrigrant leakage.
Alternatively, this processing unit 304, also for when this force value is more than or equal to this scheduled pressure value, generate enabled instruction, wherein, this enabled instruction is for starting this compressor.
Alternatively, this processing unit 304 also for, when the current operating conditions of this compressor is starting state, at this compressor start and after reaching Preset Time, the force value of this compressor is detected in predetermined period, be accumulated in this predetermined period and occur that the force value of this compressor is more than or equal to the number of times of scheduled pressure value, and when this number of times is more than or equal to pre-determined number, determine this refrigrant leakage.
Alternatively, as shown in Figure 4, this device also comprises:
First transmitting element 305, for after this determines refrigrant leakage, sends the steering order stopped for controlling this compressor to this compressor.
Alternatively, this scheduled pressure value is obtained by following formula:
P=k*y, wherein, P is this scheduled pressure value, and k is parameter preset, and y is saturation pressure corresponding to system critical temperature.
Alternatively, as shown in Figure 5, this device also comprises:
Second transmitting element 306, for after this determines refrigrant leakage, sends the hint instructions of reporting to the police for controlling this warning device to warning device.
By adopting above-mentioned detection device, the detection of refrigrant leakage can be carried out according to the running status of current compressor, and then solve the refrigrant leakage of compressor under different running status and detect inaccurate technical matters.
Affiliated those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the pick-up unit of foregoing description and description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a detection method for air-conditioner set refrigrant leakage, is characterized in that, comprising:
Determine the current operating conditions of the compressor in air-conditioner set;
Detect the force value of described compressor under described current operating conditions, and obtain the default testing conditions corresponding with described current operating conditions;
When described force value meets described default testing conditions, determine refrigrant leakage.
2. method according to claim 1, is characterized in that, when the current operating conditions of described compressor is holding state, described default testing conditions is default scheduled pressure value, wherein, described when described force value meets described default testing conditions, determine that refrigrant leakage comprises:
When described force value is less than described scheduled pressure value, determine described refrigrant leakage.
3. method according to claim 2, is characterized in that, when described force value is more than or equal to described scheduled pressure value, generate enabled instruction, wherein, described enabled instruction is for starting described compressor.
4. the method according to any one of claims 1 to 3, is characterized in that, when the current operating conditions of described compressor is starting state, described when described force value meets described default testing conditions, determines that refrigrant leakage comprises:
At described compressor start and after reaching Preset Time, the force value of described compressor is detected in predetermined period, be accumulated in described predetermined period and occur that the force value of described compressor is more than or equal to the number of times of scheduled pressure value, and when described number of times is more than or equal to pre-determined number, determine described refrigrant leakage.
5. method according to claim 4, is characterized in that, described determine refrigrant leakage after, described method also comprises: send the steering order stopped for controlling described compressor to described compressor.
6. method according to claim 5, is characterized in that, described scheduled pressure value is obtained by following formula:
P=k*y, wherein, P is described scheduled pressure value, and k is parameter preset, and y is saturation pressure corresponding to system critical temperature.
7. method according to claim 6, is characterized in that, described determine refrigrant leakage after, described method also comprises: to warning device send for control described warning device report to the police hint instructions.
8. a pick-up unit for air-conditioner set refrigrant leakage, is characterized in that, comprising:
Determining unit, for determining the current operating conditions of the compressor in air-conditioner set;
Detecting unit, for detecting the force value of described compressor under described current operating conditions;
Acquiring unit, for obtaining the default testing conditions corresponding with described current operating conditions;
Processing unit, for when described force value meets described default testing conditions, determines refrigrant leakage.
9. pick-up unit according to claim 8, it is characterized in that, when the current operating conditions of described compressor is holding state, described default testing conditions is default scheduled pressure value, described processing unit, for when described force value is less than described scheduled pressure value, determine described refrigrant leakage.
10. pick-up unit according to claim 9, is characterized in that, described processing unit, and also for when described force value is more than or equal to described scheduled pressure value, generate enabled instruction, wherein, described enabled instruction is for starting described compressor.
Pick-up unit described in 11. any one of according to Claim 8 to 10, it is characterized in that, described processing unit also for, when the current operating conditions of described compressor is starting state, at described compressor start and after reaching Preset Time, the force value of described compressor is detected in predetermined period, be accumulated in described predetermined period and occur that the force value of described compressor is more than or equal to the number of times of scheduled pressure value, and when described number of times is more than or equal to pre-determined number, determine described refrigrant leakage.
12. pick-up units according to claim 11, is characterized in that, described device also comprises:
First transmitting element, for described determine refrigrant leakage after, send the steering order stopped for controlling described compressor to described compressor.
13. pick-up units according to claim 11, is characterized in that, described scheduled pressure value is obtained by following formula:
P=k*y, wherein, P is described scheduled pressure value, and k is parameter preset, and y is saturation pressure corresponding to system critical temperature.
14. pick-up units according to claim 11, is characterized in that, described device also comprises:
Second transmitting element, for described determine refrigrant leakage after, to warning device send for control described warning device report to the police hint instructions.
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| CN201510420258.1A CN105004492B (en) | 2015-07-16 | 2015-07-16 | Method and device for detecting leakage of refrigerant of air conditioning unit |
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| CN201510420258.1A CN105004492B (en) | 2015-07-16 | 2015-07-16 | Method and device for detecting leakage of refrigerant of air conditioning unit |
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| CN106524418A (en) * | 2016-11-10 | 2017-03-22 | 邯郸美的制冷设备有限公司 | Air conditioner refrigerant leakage detecting method and detecting system and air conditioner |
| CN107906814A (en) * | 2017-11-06 | 2018-04-13 | 广东美的暖通设备有限公司 | Starting up's method, starting up's system, readable storage medium storing program for executing and refrigeration plant |
| CN109661547A (en) * | 2016-09-02 | 2019-04-19 | 大金工业株式会社 | Refrigerating plant |
| CN110762743A (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 |
| CN110848875A (en) * | 2018-08-21 | 2020-02-28 | 奥克斯空调股份有限公司 | Refrigerant leakage detection method and air conditioner |
| CN110857808A (en) * | 2018-08-24 | 2020-03-03 | 奥克斯空调股份有限公司 | Air conditioner refrigerant leakage detection method and air conditioner |
| CN110857814A (en) * | 2018-08-24 | 2020-03-03 | 奥克斯空调股份有限公司 | Air conditioner refrigerant leakage detection method and air conditioner |
| CN110857812A (en) * | 2018-08-24 | 2020-03-03 | 奥克斯空调股份有限公司 | Air conditioner and air conditioner refrigerant leakage detection method |
| CN110857813A (en) * | 2018-08-24 | 2020-03-03 | 奥克斯空调股份有限公司 | Air conditioner and air conditioner refrigerant leakage detection method |
| CN110857811A (en) * | 2018-08-24 | 2020-03-03 | 奥克斯空调股份有限公司 | Air conditioner and air conditioner refrigerant leakage detection method |
| CN110895022A (en) * | 2018-09-12 | 2020-03-20 | 奥克斯空调股份有限公司 | Method and device for detecting refrigerant leakage of air conditioner |
| CN111033154A (en) * | 2017-08-18 | 2020-04-17 | 三菱电机株式会社 | Air conditioner |
| CN112378596A (en) * | 2020-10-20 | 2021-02-19 | 佛山市南海聚腾环保设备有限公司 | Air energy heat pump refrigerant leak detection method and system |
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