CN105203261A - Method and device for detecting effectiveness of air conditioner leakage detection sensor and air conditioner - Google Patents
Method and device for detecting effectiveness of air conditioner leakage detection sensor and air conditioner Download PDFInfo
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- CN105203261A CN105203261A CN201410225724.6A CN201410225724A CN105203261A CN 105203261 A CN105203261 A CN 105203261A CN 201410225724 A CN201410225724 A CN 201410225724A CN 105203261 A CN105203261 A CN 105203261A
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- 238000001514 detection method Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title abstract description 5
- 238000004378 air conditioning Methods 0.000 claims abstract description 26
- 230000005674 electromagnetic induction Effects 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 10
- 239000007921 spray Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 68
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000010200 validation analysis Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The invention discloses a method and a device for detecting the effectiveness of an air conditioner leak detection sensor and an air conditioner, wherein the method comprises the following steps: the calibration gas generating device sprays calibration gas; judging whether the leak detection sensor detects calibration gas or not; when the leak detection sensor is judged not to detect the calibration gas, determining that the leak detection sensor fails to work; and the display device displays the detection result. The invention solves the problem of few detection considerations for the effectiveness of the leakage detection sensor in the prior art, can play a role of double protection by regularly detecting the effectiveness of the leakage detection sensor of the air conditioning system, ensures the effectiveness of the leakage detection sensor, and further enhances the safety of the air conditioning system using the combustible refrigerant.
Description
Technical field
The present invention relates to air conditioner field, in particular to a kind of detection method of air-conditioning leak detection sensor validity and device and air conditioner.
Background technology
Freon is the most frequently used a kind of cold-producing medium of compressed air conditioner device, be called for short CFC, its there is nontoxic, tasteless, nonflammable explosive, thermal stability and chemical stability good, and, the advantage such as wetting state good little to metallic material corrosion, but also due to a large amount of uses of freon, bring some negative effects: freon can resolve into toxic gas when running into flame thereupon, easy leakage and not easily finding, destruction is had to atmospheric ozone layer, have directly earth surface and indirectly greenhouse effect, have serious pollution etc. to atmospheric envelope.In order to protect the living environment of the mankind, people start to substitute with new refrigerant to solve the problem, and the alternative refrigerant be widely used at present is hydrocarbon and HFC cold-producing medium; but; this type of cold-producing medium is easy to burning and blast mostly, once leak, namely has the danger of blasting.Thus; this combustible refrigerant of use safe and reliable in refrigeration systems seems particularly important; therefore certain explosion precaution must be taked; as adopted leak detection sensor to judge whether system leaks in air-conditioner system, thus take corresponding safeguard measure, but; for the detection of leak detection sensor validity then consider less; the leak detection sensor working time there will be the situation of operational failure for a long time, and can't detect the leakage of combustible refrigerant in this case, then there is potential safety hazard.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of detection method of air-conditioning leak detection sensor validity and device and air conditioner, to solve the above-mentioned problems in the prior art.
To achieve these goals, the invention provides a kind of detection method of air-conditioning leak detection sensor validity, comprising: marked gas generating means ejects marked gas; Judge whether leak detection sensor detects marked gas; When judging that leak detection sensor does not detect described marked gas, determine leak detection sensor operational failure; Display device display testing result.
Further, before marked gas generating means ejects marked gas, described detection method also comprises: judge whether to reach and detect the leak detection sensor schedule time; Judge that whether compressor is out of service; Air-conditioning system enters leak detection sensor detecting pattern.
To achieve these goals, according to the another aspect of invention, providing a kind of pick-up unit of air-conditioning leak detection sensor validity, comprising: marked gas generating means, for spraying marked gas; Leak detection sensor, for detecting the marked gas that described marked gas ejects; Display device, for showing the testing result of described leak detection sensor.
Further, marked gas generating means comprises: flip flop equipment and marked gas jetting system; Described flip flop equipment is for triggering described marked gas jetting system; Described marked gas jetting system is used for ejecting marked gas.
Further, marked gas jetting system comprises: trigger switch, marked gas container cavity and nozzle; Described trigger switch ejects marked gas for triggering described nozzle; Described marked gas container cavity is for holding described marked gas; Described nozzle is used for ejecting marked gas.
Further, flip flop equipment is for comprising: drive division, connecting portion and press section; Described drive division drives described press section to press described trigger switch by described connecting portion.
Further, drive division is electromagnetic induction device or motor.
Further, connecting portion is flexible member or crankshaft-link rod.
To achieve these goals, according to a further aspect in the invention, provide a kind of air conditioner, comprise the pick-up unit of any one the air conditioner leak detection sensor validity that foregoing of the present invention provides.
By the detection method of air-conditioning leak detection sensor validity provided by the invention, marked gas generating means ejects marked gas; Judge whether leak detection sensor detects marked gas; When judging that leak detection sensor does not detect described marked gas, determine leak detection sensor operational failure; Display device display testing result; solve in prior art for the less problem that the detection of leak detection sensor validity is considered; regularly the effect that validation checking can play duplicate protection is carried out to the leak detection sensor of air-conditioning system; ensure the validity of leak detection sensor self; thus guarantee leak detection sensor it detects the correctness judged to combustible refrigerant, strengthen the security of the air-conditioning system using combustible refrigerant further.
Accompanying drawing explanation
Figure of description 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 structure of the detecting device schematic diagram according to the embodiment of the present invention;
Fig. 2 sprays the front/rear status architecture schematic diagram of marked gas according to the marked gas generating means of first preferred embodiment of the invention;
Status architecture schematic diagram when Fig. 3 is the marked gas generating means injection marked gas according to first preferred embodiment of the invention;
Fig. 4 is the marked gas generating means structural representation according to second preferred embodiment of the invention; And
Fig. 5 is the process flow diagram of the detection method according to the embodiment of the present invention;
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Embodiments provide a kind of pick-up unit of air-conditioning leak detection sensor validity, Fig. 1 is the structural representation of the detecting unit according to the embodiment of the present invention, as shown in Figure 1, the pick-up unit of this embodiment comprises: marked gas generating means 100, leak detection sensor 200 and display device 300.
Marked gas generating means 100, for spraying marked gas; Particularly, marked gas is combustible refrigerant, and preferably, combustible refrigerant is R290.Leak detection sensor 200, for detecting the marked gas that described marked gas ejects.Display device 300, for showing the testing result of described leak detection sensor validity; Particularly, display device is display lamp or alarm.Marked gas generating means 100 is positioned at leak detection sensor 200 for the center of circle, and R is in the scope of radius, and the scope of R can be determined according to the accuracy of detection of leak detection sensor 200, and preferably, the scope of R is 200 ~ 300mm.Leak detection sensor pick-up unit 200 is electrically connected with display device 300, when leak detection sensor 200 does not detect marked gas, and display device 300 display alarm lamp or send chimes of doom.
Fig. 2 sprays the front/rear status architecture schematic diagram of marked gas according to the marked gas generating means of first preferred embodiment of the invention, status architecture schematic diagram when Fig. 3 is the marked gas generating means injection marked gas according to first preferred embodiment of the invention.Marked gas generating means 100 comprises: flip flop equipment 110 and marked gas jetting system 120; Flip flop equipment 110 is for triggering marked gas jetting system 120, and marked gas jetting system 120 is for ejecting marked gas.
Marked gas jetting system 120 comprises: trigger switch 121, marked gas container cavity 122 and nozzle 123; Trigger switch 121 ejects marked gas for triggering nozzle 123, and marked gas container cavity 122 is for holding described marked gas, and nozzle 123 is for ejecting marked gas.Flip flop equipment 110 comprises: drive division 111, connecting portion 112 and press section 113; Drive division 111 drives press section 113 to press trigger switch 121 by connecting portion 112.
Preferably, according in first preferred embodiment of the invention, drive division 111 is electromagnetic induction device, and connecting portion 112 is flexible member, is preferably spring.Marked gas generating means 120 is energized by electromagnetic induction device 111 and controls magnetisable material adhesive or repulsion, control press section 113 periodically pressing trigger switch 121, be connected by spring 112 between electromagnetic induction device 111 with press section 113, spray marked gas in leak detection sensor 200 by nozzle 123, whether effectively detect leak detection sensor 200.
Fig. 4 is the marked gas generating means structural representation according to second preferred embodiment of the invention, as compared to the marked gas generating means of the first preferred embodiment of the invention shown in Fig. 2 with Fig. 3, and be in difference, drive division 111 is motor, connecting portion 112 is crankshaft-link rod, marked gas generating means 120 is with dynamic crankshaft 115 to rotate by motor 111, by the transmission of connecting rod 116, make the stressed pressing forward in press section 113 trigger switch 121, spray marked gas by nozzle 123 to leak detection sensor 200, carry out leak detection sensor Effective judgement.
The embodiment of the present invention additionally provides a kind of detection method of air-conditioning leak detection sensor validity, and Fig. 5 is the process flow diagram of the detection method according to the embodiment of the present invention, and as shown in Figure 5, the detection method of this embodiment comprises step S40 to step S70:
Step S40, marked gas generating means ejects marked gas;
Step S50, judges whether described leak detection sensor detects described marked gas;
Step S60, when judging that leak detection sensor does not detect described marked gas, determines leak detection sensor operational failure
Step S70, display device display testing result.
Marked gas generating means ejects marked gas; Judge whether leak detection sensor detects marked gas; If leak detection sensor detects marked gas, then judge that leak detection sensor is working properly, leak detection sensor detecting pattern terminates; If leak detection sensor does not detect marked gas, then judge leak detection sensor operational failure; Display device display testing result, solves in prior art for the less problem that the detection of leak detection sensor validity is considered.
In order to the regular leak detection sensor to air-conditioning system carries out validation checking to play the effect of duplicate protection; step S10 can be added before step S40; judge whether to reach the detecting sensor schedule time; if reach the detecting sensor schedule time, then enter pattern detecting sensor, if do not reach the detecting sensor schedule time; then air-conditioning system is normally run; leak detection sensor detects air-conditioning system with or without refrigrant leakage, and wherein, the schedule time is for being preferably half a year.
In order to prevent when detecting sensor pattern, the leakage of combustible refrigerant, and the operation of compressor and bring and ignite the danger of air-conditioning, step S30 can be added before step S40 and between step S10, judge that whether compressor is out of service, namely first judge whether to reach the detecting sensor schedule time, if reached, judge that compressor of air conditioner is out of service, if out of service, enter detecting sensor pattern, if compressor is not out of service, then continue to judge that whether compressor is out of service, until compressor is out of service enter pattern detecting sensor.
In addition, the embodiment of the present invention additionally provides a kind of air conditioner, this air conditioner can be any air conditioner with the pick-up unit of the air conditioner leak detection sensor validity that the embodiment of the present invention provides, and also can be any air conditioner that have employed the detection method of the air conditioner leak detection sensor validity of the present embodiment.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a detection method for air-conditioning leak detection sensor validity, is characterized in that, comprising:
Marked gas generating means ejects marked gas;
Judge whether leak detection sensor detects marked gas;
When judging that leak detection sensor does not detect described marked gas, determine leak detection sensor operational failure;
Display device display testing result.
2. the detection method of air-conditioning leak detection sensor validity according to claim 1, is characterized in that, before marked gas generating means ejects marked gas, described detection method also comprises:
Judge whether to reach and detect the leak detection sensor schedule time;
Judge that whether compressor is out of service;
Air-conditioning system enters leak detection sensor detecting pattern.
3. a pick-up unit for air-conditioning leak detection sensor validity, is characterized in that, comprising:
Marked gas generating means, for spraying marked gas;
Leak detection sensor, for detecting the marked gas that described marked gas ejects;
Display device, for showing the testing result of described leak detection sensor validity.
4. the pick-up unit of air-conditioning leak detection sensor validity according to claim 3, is characterized in that, described marked gas generating means comprises:
Flip flop equipment and marked gas jetting system;
Described flip flop equipment is for triggering described marked gas jetting system;
Described marked gas jetting system is used for ejecting marked gas.
5. the pick-up unit of air-conditioning leak detection sensor validity according to claim 4, is characterized in that, described marked gas jetting system comprises:
Trigger switch, marked gas container cavity and nozzle;
Described trigger switch ejects marked gas for triggering described nozzle;
Described marked gas container cavity is for holding described marked gas;
Described nozzle is used for ejecting marked gas.
6. the pick-up unit of air-conditioning leak detection sensor validity according to claim 5, it is characterized in that, described flip flop equipment is for comprising:
Drive division, connecting portion and press section;
Described drive division drives described press section to press described trigger switch by described connecting portion.
7. the pick-up unit of air-conditioning leak detection sensor validity according to claim 6, is characterized in that, described drive division is electromagnetic induction device or motor.
8. the pick-up unit of air-conditioning leak detection sensor validity according to claim 6, is characterized in that, described connecting portion is flexible member or crankshaft-link rod.
9. an air conditioner, is characterized in that, comprises the pick-up unit of the air conditioner leak detection sensor validity according to any one of claim 3 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225724.6A CN105203261A (en) | 2014-05-26 | 2014-05-26 | Method and device for detecting effectiveness of air conditioner leakage detection sensor and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225724.6A CN105203261A (en) | 2014-05-26 | 2014-05-26 | Method and device for detecting effectiveness of air conditioner leakage detection sensor and air conditioner |
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| CN105203261A true CN105203261A (en) | 2015-12-30 |
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| CN201410225724.6A Pending CN105203261A (en) | 2014-05-26 | 2014-05-26 | Method and device for detecting effectiveness of air conditioner leakage detection sensor and air conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618391A (en) * | 2016-03-01 | 2016-06-01 | 爱发科东方真空(成都)有限公司 | Automatic helium leakage detecting device |
| WO2018157552A1 (en) * | 2017-03-02 | 2018-09-07 | 佛山市顺德区环威电器有限公司 | Real-time ammonia leak detection and processing method for small ammonia refrigeration diffusion-absorption refrigerating apparatus dedicated to refrigerator or wine cabinet or refrigerated container |
| CN110998271A (en) * | 2017-07-28 | 2020-04-10 | 雅马哈精密科技株式会社 | Gas sensor failure detection device, gas sensor failure detection system, and gas sensor failure detection method |
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| CN1755341A (en) * | 2004-09-29 | 2006-04-05 | 乐金电子(天津)电器有限公司 | Cold media leakage detection apparatus for air conditioner and detection method thereof |
| CN103426277A (en) * | 2012-05-16 | 2013-12-04 | 鸿富锦精密工业（深圳）有限公司 | Gas detector test system and apparatus |
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2014
- 2014-05-26 CN CN201410225724.6A patent/CN105203261A/en active Pending
Patent Citations (5)
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| CN1104325A (en) * | 1992-09-01 | 1995-06-28 | 拉尔夫·G·赖德诺尔 | gas leakage sensing system |
| CN1455186A (en) * | 2002-05-01 | 2003-11-12 | 三星电子株式会社 | Air conditioner and method for detecting refrigrant leakage |
| US6701722B1 (en) * | 2002-05-01 | 2004-03-09 | Samsung Electronics Co., Ltd. | Air conditioner and method of detecting refrigerant leakage therein |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618391A (en) * | 2016-03-01 | 2016-06-01 | 爱发科东方真空(成都)有限公司 | Automatic helium leakage detecting device |
| CN105618391B (en) * | 2016-03-01 | 2017-08-25 | 爱发科东方真空(成都)有限公司 | Automatic helium-leakage detecting apparatus |
| WO2018157552A1 (en) * | 2017-03-02 | 2018-09-07 | 佛山市顺德区环威电器有限公司 | Real-time ammonia leak detection and processing method for small ammonia refrigeration diffusion-absorption refrigerating apparatus dedicated to refrigerator or wine cabinet or refrigerated container |
| CN110998271A (en) * | 2017-07-28 | 2020-04-10 | 雅马哈精密科技株式会社 | Gas sensor failure detection device, gas sensor failure detection system, and gas sensor failure detection method |
| US11454564B2 (en) | 2017-07-28 | 2022-09-27 | Yamaha Fine Technologies Co., Ltd. | Gas sensor fault detection device, gas sensor fault detection system, and gas sensor fault detection method |
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