CN111059695B - Omnibearing detection device and method for detecting refrigerant leakage of air conditioner - Google Patents

Omnibearing detection device and method for detecting refrigerant leakage of air conditioner Download PDF

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Publication number
CN111059695B
CN111059695B CN201911368372.9A CN201911368372A CN111059695B CN 111059695 B CN111059695 B CN 111059695B CN 201911368372 A CN201911368372 A CN 201911368372A CN 111059695 B CN111059695 B CN 111059695B
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China
Prior art keywords
refrigerant
leakage
detection device
detecting
air conditioner
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CN201911368372.9A
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Chinese (zh)
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CN111059695A (en
Inventor
王俊
王团
崔松林
吴灿炎
肖开国
唐伟青
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201911368372.9A priority Critical patent/CN111059695B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • F24F11/36Responding to malfunctions or emergencies to leakage of heat-exchange fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52Indication arrangements, e.g. displays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52Indication arrangements, e.g. displays
    • F24F11/526Indication arrangements, e.g. displays giving audible indications
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides an omnibearing detecting device and method for detecting coolant leakage of an air conditioner, the detecting device of the invention comprises: the refrigerant sensors are arranged in different directions, and can detect leakage in different directions and judge which direction is generated. The detection device comprises a body, the body is divided into a plurality of areas, each area is provided with a refrigerant sensor, each area is correspondingly provided with an indication lamp for detecting the refrigerant leakage in one direction, and when the sensor in one area detects the refrigerant leakage, the indication lamp corresponding to the certain area is lighted. The detection device can rapidly detect the leakage direction of the refrigerant and find out the leakage point. The invention is preferably used for detecting R290, can rapidly detect the leakage of the R290, and prevents the leakage from reaching the explosion concentration to cause safety accidents.

Description

Omnibearing detection device and method for detecting refrigerant leakage of air conditioner
Technical Field
The invention relates to an omnibearing detection device and method for detecting leakage of a refrigerant of an air conditioner, in particular to an omnibearing detection device and method for detecting leakage of R290 of the air conditioner.
Background
The traditional refrigerant has adverse factors of destroying the atmospheric ozone layer and generating the greenhouse effect, the international environmental protection convention montreal protocol, the kyoto protocol and the like prescribe that the elimination of the non-environment-friendly refrigerant is finished before 2030 in China, the old working medium refrigerant represented by R22 is forbidden to be used for developing new products, and the R410a refrigerant serving as a substitute is limited to be used because of the greenhouse effect. The new refrigerant R290 would replace the R22 and R410A refrigerants with environmentally friendly, efficient, energy efficient and excellent properties. But R290 is a flammable gas propane, in order to prevent it from leaking to an explosive concentration, and to allow safety accidents. Thus, there is an urgent need for an R290 monitoring device that discovers R290 in a timely process chamber in time.
Disclosure of Invention
In view of this, the present invention provides an omnibearing detecting device and method for detecting refrigerant leakage of an air conditioner, so as to rapidly detect the refrigerant leakage direction and find out leakage points. The invention is preferably used for detecting R290, and prevents the leakage of the R290 to reach the explosion concentration to cause safety accidents.
Specifically: an all-round detection device for detecting air conditioner refrigerant leakage, the detection device comprising: the refrigerant sensors are arranged in different directions and can detect refrigerant leakage and the direction of the refrigerant leakage.
Preferably, the detecting device comprises a body, wherein the body is divided into a plurality of areas, each area is provided with a refrigerant sensor, and each area is used for detecting the refrigerant leakage in one direction.
Preferably, each area is provided with an indicator light, and when a sensor in a certain area detects leakage of the refrigerant, the indicator light corresponding to the certain area is lightened.
Preferably, an alarm is further arranged on the body, and when the detection device detects leakage of the refrigerant, the alarm sounds to alarm.
Preferably, the body is formed with a polygonal structure, and each side of the polygonal structure is provided with a refrigerant sensor.
Preferably, the body is equally divided into a plurality of areas along the circumferential direction, the body is equally divided into two parts, the first part is used for detecting the refrigerant leakage in the range of 180 degrees above the connecting pipeline, and the second part is used for detecting the refrigerant leakage in the range of 180 degrees below the connecting pipeline.
Preferably, the refrigerant is R290.
In addition, the invention provides a method for detecting the refrigerant leakage of the air conditioner, the air conditioner comprises an indoor unit, an outdoor unit and a refrigerant connecting pipeline 8 positioned between the indoor unit and the outdoor unit, one end of the connecting pipeline 8 is communicated with the indoor unit, the other end of the connecting pipeline is communicated with the outdoor unit through a hole of a wall, and the detection device provided by the invention is used for detecting whether the refrigerant of the connecting pipeline 8 leaks or not.
Preferably, the connecting pipe 8 is provided with a plurality of valves, when the detecting device detects the leakage of the refrigerant, the detecting device finds out the leakage points according to the detected leakage direction of the refrigerant, and closes the valves between the leakage points.
Preferably, the body is equally divided into two parts, the first part is arranged above the indoor hole, and the second part is arranged above the outdoor hole.
The beneficial effects are that:
the air conditioner adopting the omnibearing detection device can realize quick finding of the pipeline leakage point, timely leak repairing, prevent leakage from reaching the explosion concentration to generate safety accidents, reduce after-sale cost and improve user experience.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely examples of the present disclosure and other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of an omnidirectional detector of the present invention.
Fig. 2 is a schematic diagram of an air conditioner employing the omnibearing detection apparatus of the present invention.
Wherein: 1-separation lines, 2-polygonal areas, 3-generators, 4-indoor units, 5-wires, 6-detection devices, 7-outdoor units, 8-connecting pipes, 9-valves and 10-walls.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the disclosed aspects may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various structures, these structures should not be limited by these terms. These terms are used to distinguish one structure from another structure. Thus, a first structure discussed below may be referred to as a second structure without departing from the teachings of the disclosed concepts. As used herein, the term "and/or" includes any one of the associated listed items and all combinations of one or more.
Those skilled in the art will appreciate that the drawings are schematic representations of example embodiments and that the modules or flows in the drawings are not necessarily required to practice the present disclosure, and therefore, should not be taken to limit the scope of the present disclosure.
The details of the embodiments of the present invention are described below with reference to fig. 1-2:
as shown in fig. 1, the present invention provides an omnibearing detection device 6 for detecting refrigerant leakage of an air conditioner, wherein the detection device 6 comprises: the refrigerant sensors are arranged in different directions and can detect refrigerant leakage and the direction of the refrigerant leakage.
According to the invention, an omnibearing refrigerant such as an R290 sensor design is optionally added for the R290 air conditioner, and the valve 9 is designed in a pipeline section way of the connecting pipe 8, so that the pipeline leakage point is quickly found, the leakage is timely repaired, the leakage is prevented from reaching the explosion concentration to generate a safety accident, the after-sale cost is reduced, and the user experience is improved.
The detection device 6 comprises a body, wherein the body is divided into a plurality of areas, each area is provided with a refrigerant sensor, and each area is used for detecting the refrigerant leakage in one direction.
As shown in fig. 1, the omnibearing detection device 6 of the invention, optionally, the body of the detection device 6 is dodecagon, the partition 1 divides the omnibearing detection device into two parts, the first part is positioned indoors, the second part is positioned outdoors, and each polygonal area 2 (edge) is provided with an independent R290 sensor corresponding to lamps with different colors. The detection means 6 comprise a generator 3 with a howling in the middle red light.
Each area is provided with an indicator lamp, and when a sensor in a certain area detects leakage of the refrigerant, the indicator lamp corresponding to the certain area is lightened.
The body is also provided with a whistle sound generator (alarm), and when the detecting device 6 detects the leakage of the refrigerant, the alarm sounds to give a alarm.
The body is formed with polygonal structure, and each side of polygonal structure is equipped with refrigerant sensor.
The body is equally divided into a plurality of areas along the circumferential direction, the body is equally divided into two parts, the first part is used for detecting refrigerant leakage in the range of 180 degrees above the connecting pipeline 8, and the second part is used for detecting refrigerant leakage in the range of 180 degrees below the connecting pipeline 8.
The refrigerant of the present invention is R290.
As shown in fig. 2, the present invention further provides a method for detecting refrigerant leakage of an air conditioner, where the air conditioner includes an indoor unit 4, an outdoor unit 7, and a connection pipe 8 between the indoor unit 4 and the outdoor unit 7, one end of the connection pipe is connected to the indoor unit 4, and the other end of the connection pipe passes through a hole of a wall to be connected to the outdoor unit 7, and any one of the detection devices 6 of the present invention is used to detect whether the connection pipe leaks. The connecting pipeline is provided with a plurality of valves 9, when the detecting device 6 detects the leakage of the refrigerant, the leakage points are found according to the detected leakage direction of the refrigerant, and the valves 9 between the leakage points are closed. The body is divided into two parts, the first part is arranged above the indoor hole, and the second part is arranged above the outdoor hole.
As shown in fig. 2, the arrangement of the omnibearing detection device 6 and the arrangement of the pipeline sectional valve 9 of the connecting pipe 8 are illustrated, the air conditioner comprises a wire 5 of the indoor and outdoor half detection device 6, the indoor and outdoor half detection device 6 is internally arranged above an indoor hole, the outdoor device is externally arranged above an outdoor hole, and the two parts can omnidirectionally respond to R290 leakage. Fig. 2 also illustrates an air conditioner outdoor unit 7, an air conditioner indoor unit 4, an inner machine connecting pipe 8, valves 9 on the connecting pipes 8, corresponding valves 9 arranged at intervals, an indoor and an outdoor wall body 10, and holes formed in the wall body 10 for the passage of the indoor and the outdoor connecting pipes 8.
According to the R290 air conditioner disclosed by the invention, if a pipeline in a certain direction is leaked, the sensor in the certain direction can detect R290 at the earliest, the middle lamp lighting generator emits howling, the corresponding color lamps are lighted, the positions of the leakage of the pipeline are rapidly determined along the direction of the lighted color, the valves 9 on the two sides of the corresponding positions are turned off, the pipelines are rapidly replaced, and the valves 9 are turned on for normal use. The invention can sense twelve directions to realize quick finding of the pipeline leakage point, timely leak repairing, prevent leakage from reaching the explosion concentration to generate safety accidents, reduce after-sale cost and improve user experience.
When the detecting device 6 is particularly used, the first part and the second part of the detecting device are symmetrically arranged on two sides of the connecting pipe 8, and when one part of the connecting pipe 8 leaks, the refrigerant can flow out to one side and can be detected by the sensor in the corresponding direction. If the leakage points are located in the same straight direction of the detection device 6, the detection device 6 can detect the leakage points. When the leak point is deviated from the vertical direction by a certain distance, since the leak gas is a small gas flow which spreads in a direction deviated from the certain distance (horizontal direction), the sensor of the leak direction detects the leak point first. And first lights up. It may be arranged that when one lamp is lit, the lamps in other orientations are not repeatedly lit to determine the first lamp to be lit, and its corresponding orientation.
The invention can obtain the direction of refrigerant leakage, and a plurality of detection devices 6 can be arranged along the pipeline direction of the connecting pipe 8 for improving the precision.
The invention can reduce the leakage direction according to the direction of the lamp, can determine the specific pipeline section through the traditional problem of refrigerant leakage of the hearing and foam water detection pipeline,
the beneficial effects are that:
the invention has at least the following beneficial effects:
the invention provides an omnibearing detecting device 6 and method for detecting coolant leakage of an air conditioner, wherein the detecting device 6 comprises: the refrigerant sensors are arranged in different directions, and can detect leakage in different directions and judge which direction is generated. The detection device 6 comprises a body, the body is divided into a plurality of areas, each area is provided with a refrigerant sensor, each area is correspondingly provided with an indication lamp for detecting the refrigerant leakage in one direction, and when the sensor in one area detects the refrigerant leakage, the indication lamp corresponding to the certain area is lighted. The detection device 6 of the invention can rapidly detect the leakage direction of the refrigerant and find out the leakage point. The invention is preferably used for detecting R290, can rapidly detect the leakage of the R290, and prevents the leakage from reaching the explosion concentration to cause safety accidents.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that this disclosure is not limited to the particular arrangements, instrumentalities and methods of implementation described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (7)

1. An all-round detection device (6) of detection air conditioner refrigerant leakage, its characterized in that: the detection device (6) comprises: a plurality of refrigerant sensors arranged in different orientations, capable of detecting refrigerant leakage and the direction of refrigerant leakage;
the detection device (6) comprises a body, wherein the body is divided into a plurality of areas, each area is provided with a refrigerant sensor, and the refrigerant sensor in each area correspondingly detects refrigerant leakage in one direction;
each area is provided with an indicator lamp, and when a sensor in a certain area detects leakage of a refrigerant, the indicator lamp corresponding to the certain area is lightened;
when one indicator light is firstly lightened, the indicator lights in other directions are not repeatedly lightened;
the body is equally divided into a plurality of areas along the circumferential direction, the body is equally divided into two parts, the first part is used for detecting refrigerant leakage in a range of 180 degrees above a refrigerant connecting pipeline (8) of the air conditioner, and the second part is used for detecting refrigerant leakage in a range of 180 degrees below the refrigerant connecting pipeline (8) of the air conditioner.
2. The detection device (6) according to any one of the claims 1, characterized in that: the body is also provided with an alarm, and when the detection device (6) detects the leakage of the refrigerant, the alarm buzzes and alarms.
3. The detection device (6) according to any one of the claims 1, characterized in that: the body is formed with the polygon structure, and every edge of polygon structure is equipped with refrigerant sensor.
4. The detection device (6) according to claim 1, characterized in that: the refrigerant is R290.
5. The utility model provides a method for detecting air conditioner refrigerant leakage, the air conditioner includes indoor set (4), off-premises station (7), is located refrigerant connecting tube (8) between indoor set (4), off-premises station (7), the one end and the indoor set (4) intercommunication of connecting tube (8), the hole that the other end passed the wall communicates with off-premises station (7), its characterized in that: the detection device (6) according to any one of claims 1 to 4 is used for detecting whether the refrigerant in the connecting pipeline (8) leaks.
6. The method for detecting refrigerant leakage of an air conditioner according to claim 5, wherein: the connecting pipeline (8) is provided with a plurality of valves (9), when the detecting device (6) detects the refrigerant leakage, the leakage points are found according to the detected refrigerant leakage direction, and the valves (9) between the leakage points are closed.
7. The method for detecting refrigerant leakage of an air conditioner according to any one of claims 5 and 6, wherein: the body of the detection device (6) is divided into two parts, wherein the first part is arranged above the indoor hole, and the second part is arranged above the outdoor hole.
CN201911368372.9A 2019-12-26 2019-12-26 Omnibearing detection device and method for detecting refrigerant leakage of air conditioner Active CN111059695B (en)

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112378134B (en) * 2020-11-20 2021-09-14 珠海格力电器股份有限公司 Refrigerator and refrigerant leakage detection method thereof

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001281017A (en) * 2000-04-03 2001-10-10 B L Auto Tec Kk Differential flow detector and welding robot
JP2005031370A (en) * 2003-07-11 2005-02-03 Seiko Epson Corp Cooling device, projector and duct
CN1598607A (en) * 2004-08-20 2005-03-23 淄博博鸿电气有限公司 Directional and positioning testing device for fault of direct application type cable sheath
CN102997045A (en) * 2011-09-14 2013-03-27 中国石油天然气集团公司 Optical fiber sensing natural gas pipeline leakage event identification method and device
KR20140054595A (en) * 2012-10-29 2014-05-09 엘지전자 주식회사 Air conditioner and controlling method of the same
JP2014119323A (en) * 2012-12-14 2014-06-30 Mitsubishi Heavy Ind Ltd Gas leakage detection system
KR20140100341A (en) * 2013-02-06 2014-08-14 엘지전자 주식회사 Method and Apparatus for Detecting Refrigerant Leak in Air Conditioner
CN203893510U (en) * 2014-06-06 2014-10-22 北京二商集团有限责任公司西郊食品冷冻厂 Leakage monitoring and emergency system of ammonia refrigeration system
KR20160066367A (en) * 2014-12-02 2016-06-10 엘지전자 주식회사 Air-conditioner and sensor for Air-conditioner
JP2017053509A (en) * 2015-09-08 2017-03-16 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド Air conditioning system and warning notification method of air conditioning system
CN106704835A (en) * 2016-12-30 2017-05-24 东北石油大学 Pipe leakage detection single-point positioning method
CN106958744A (en) * 2017-04-27 2017-07-18 西安工程大学 The detection and quantitative analysis method of air-jet loom compressed air leakage and detection means
CN208004163U (en) * 2018-01-23 2018-10-26 济南玮泉生物发电有限公司 A kind of dedusting cyclone cylinder
KR20190022000A (en) * 2017-08-25 2019-03-06 주식회사 인토 Contamination monitoring apparatus for process gas line
WO2019130452A1 (en) * 2017-12-26 2019-07-04 日立ジョンソンコントロールズ空調株式会社 Air conditioner and air conditioning system
CN212362361U (en) * 2019-12-26 2021-01-15 珠海格力电器股份有限公司 All-dimensional detection device for detecting refrigerant leakage of air conditioner and air conditioner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336660B (en) * 1998-04-20 2002-03-06 Bridgestone Corp Light transmission tubes and methods for manufacturing the light transmission tubes
CN105864642B (en) * 2016-06-06 2018-07-24 浙江理工大学 A kind of pipeline leakage testing device and detection method
CN106091500B (en) * 2016-08-19 2018-11-13 珠海格力电器股份有限公司 Safe liquid storage tank device and air conditioner adopting same
US11041780B2 (en) * 2017-07-19 2021-06-22 John Johnson Duct leakage detection system and method
CN209782253U (en) * 2019-01-29 2019-12-13 罗丁 Natural gas pipeline with gas leakage alarm function

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001281017A (en) * 2000-04-03 2001-10-10 B L Auto Tec Kk Differential flow detector and welding robot
JP2005031370A (en) * 2003-07-11 2005-02-03 Seiko Epson Corp Cooling device, projector and duct
CN1598607A (en) * 2004-08-20 2005-03-23 淄博博鸿电气有限公司 Directional and positioning testing device for fault of direct application type cable sheath
CN102997045A (en) * 2011-09-14 2013-03-27 中国石油天然气集团公司 Optical fiber sensing natural gas pipeline leakage event identification method and device
KR20140054595A (en) * 2012-10-29 2014-05-09 엘지전자 주식회사 Air conditioner and controlling method of the same
JP2014119323A (en) * 2012-12-14 2014-06-30 Mitsubishi Heavy Ind Ltd Gas leakage detection system
KR20140100341A (en) * 2013-02-06 2014-08-14 엘지전자 주식회사 Method and Apparatus for Detecting Refrigerant Leak in Air Conditioner
CN203893510U (en) * 2014-06-06 2014-10-22 北京二商集团有限责任公司西郊食品冷冻厂 Leakage monitoring and emergency system of ammonia refrigeration system
KR20160066367A (en) * 2014-12-02 2016-06-10 엘지전자 주식회사 Air-conditioner and sensor for Air-conditioner
JP2017053509A (en) * 2015-09-08 2017-03-16 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド Air conditioning system and warning notification method of air conditioning system
CN106704835A (en) * 2016-12-30 2017-05-24 东北石油大学 Pipe leakage detection single-point positioning method
CN106958744A (en) * 2017-04-27 2017-07-18 西安工程大学 The detection and quantitative analysis method of air-jet loom compressed air leakage and detection means
KR20190022000A (en) * 2017-08-25 2019-03-06 주식회사 인토 Contamination monitoring apparatus for process gas line
WO2019130452A1 (en) * 2017-12-26 2019-07-04 日立ジョンソンコントロールズ空調株式会社 Air conditioner and air conditioning system
CN208004163U (en) * 2018-01-23 2018-10-26 济南玮泉生物发电有限公司 A kind of dedusting cyclone cylinder
CN212362361U (en) * 2019-12-26 2021-01-15 珠海格力电器股份有限公司 All-dimensional detection device for detecting refrigerant leakage of air conditioner and air conditioner

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
基于LabView的输油管道泄漏监测系统;吴海霞, 蒋耘晨;自动化仪表;20041120(11);全文 *
桑运水.《输送管道在线检测安全评价及修复技术》.石油大学出版社,2005,(第1版),51-53. *

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