CN103196184B - A kind of Split-type explosion-proof air conditioner - Google Patents
A kind of Split-type explosion-proof air conditioner Download PDFInfo
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- CN103196184B CN103196184B CN201310148263.2A CN201310148263A CN103196184B CN 103196184 B CN103196184 B CN 103196184B CN 201310148263 A CN201310148263 A CN 201310148263A CN 103196184 B CN103196184 B CN 103196184B
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000004880 explosion Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000005219 brazing Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000002360 explosive Substances 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 8
- 231100001261 hazardous Toxicity 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 5
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000010892 electric spark Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of Split-type explosion-proof air conditioner, in the electrical appliance kit of the electronic devices and components common placement that air-conditioner complete machine is used in off-premises station, electrical appliance kit Seal Design simultaneously, and adopt the mode of cast to seal in positions such as critical electronic components and parts, electrical equipment line outlets, further explosion-proof, flame proof process is carried out to electrical appliance kit and inner electric elements, effectively make fire origin isolate from hazardous environment, enhance the explosion-proof performance that air-conditioner complete machine runs in inflammable and explosive environment; Meanwhile, air-conditioner complete machine increases to danger flammable/detection of the concentration of damp and warning function, real-time monitoring is implemented to the environment for use at air-conditioner place.
Description
Technical field
The present invention relates to air-conditioner field, exactly refer to a kind of Split-type explosion-proof air conditioner.
Background technology
At present, along with China is in the fast development of national defence, scientific research, medicine, colliery, weaving, field of petrochemical industry, the utilization of air-conditioner in these industry fields is also thereupon more and more extensive.But have flammable explosive material to produce in the research and development residing for above-mentioned industry or production process, and environment space is airtight for sealing, the fragmentary spark that often electrical equipment produces because of operation or fault just can cause the serious accident such as fire or blast more.So when air-conditioner uses in the research and development or production process of above-mentioned industry, not only will meet the requirement of production environment or human comfort, also will guarantee air-conditioner security when using operation, thus explosion-proof air-conditioner arises.
Explosion-proof air-conditioner current on market is based on split-type air conditioner; but explosive-proof protector is comparatively single; only often carry out technological processing for explosion protection feature for certain parts; as carried out simple seal process to electrical appliance kit separately or adding gum sleeve etc. in wiring and outlet position, all well more comprehensive, effectively explosion-proof, flame proof protection can not be carried out to air-conditioner.And explosion-proof air-conditioner in the market does not all design the concentrations detectors for flammable under specific environment/damp, effectively cannot report to the police when in the face of hazardous environment.
Summary of the invention
For above-mentioned defect, the technical problem that the present invention solves is to provide a kind of Split-type explosion-proof air conditioner, in the electrical appliance kit of the electronic devices and components common placement that air-conditioner complete machine is used in off-premises station, electrical appliance kit Seal Design simultaneously, and adopt the mode of cast to seal in positions such as critical electronic components and parts, electrical equipment line outlets, further explosion-proof, flame proof process is carried out to electrical appliance kit and inner electric elements, effectively make fire origin isolate from hazardous environment, enhance the explosion-proof performance that air-conditioner complete machine runs in inflammable and explosive environment; Meanwhile, air-conditioner complete machine increases to danger flammable/detection of the concentration of damp and warning function, real-time monitoring is implemented to the environment for use at air-conditioner place.
In order to solve above technical problem, Split-type explosion-proof air conditioner provided by the invention, comprise electrical appliance kit, compressor and motor, electronic devices and components are provided with in described electrical appliance kit, described electrical appliance kit comprises box body, lid and fixed support plate, described box body and described lid form box-packed hermetically-sealed construction, the bottom of described box body is by described off-premises station median septum support, one end of described box body is connected with one end of described fixed support plate, the other end of described fixed support plate is fixedly connected with casing of outdoor side plate, described box body is provided with the cable-through hole that electronic devices and components wire is drawn.
Preferably, described compressor comprises compression chamber and motor, described compression chamber and described motor are arranged in the closure that is welded by soldering or melting welding, and described compression chamber and described motor share a main shaft, and suction tracheae and power supply joint pin are arranged on the outer surface of described closure.
Preferably, described motor arranges explosion-resistant enclosure, and described explosion-resistant enclosure is formed by sealed with brazing by upper and lower metal cylinder.
Preferably, the pin interfaces part that described electrical appliance kit, compressor and motor are connected with outside adopts cast form to seal.
Preferably, the raw material of described cast is epoxy resin.
Preferably, described electrical appliance kit, compressor and motor are provided with corresponding earth connection, and two of described earth connection adopts brass screw to be fixed, and described brass screw is with Jie's tooth pad.
Preferably, be provided with the detection receiver window of flammable/damp at air conditioner room unit return air inlet, described detection receiver window installs the concentration sensor that can detect flammable/damp, and described concentration sensor connects warning device.
Compared with prior art, Split-type explosion-proof air conditioner provided by the invention, in the electrical appliance kit of the electronic devices and components common placement that air-conditioner complete machine is used in off-premises station, electrical appliance kit Seal Design simultaneously, and adopt the mode of cast to seal in positions such as critical electronic components and parts, electrical equipment line outlets, further explosion-proof, flame proof process is carried out to electrical appliance kit and inner electric elements, effectively make fire origin isolate from hazardous environment, enhance the explosion-proof performance that air-conditioner complete machine runs in inflammable and explosive environment; Meanwhile, air-conditioner complete machine increases to danger flammable/detection of the concentration of damp and warning function, real-time monitoring is implemented to the environment for use at air-conditioner place.
Accompanying drawing explanation
Fig. 1 is the structural representation of off-premises station inside in embodiment of the present invention Split-type explosion-proof air conditioner;
Fig. 2 is the structural representation of electrical appliance kit in Fig. 1;
Fig. 3 is the structural representation of indoor set in embodiment of the present invention Split-type explosion-proof air conditioner.
Detailed description of the invention
In order to those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
Refer to Fig. 1-Fig. 3, Fig. 1 is the structural representation of off-premises station inside in embodiment of the present invention Split-type explosion-proof air conditioner; Fig. 2 is the structural representation of electrical appliance kit in Fig. 1; Fig. 3 is the structural representation of indoor set in embodiment of the present invention Split-type explosion-proof air conditioner.
The Split-type explosion-proof air conditioner that the embodiment of the present invention provides, comprise electrical appliance kit 1, compressor 8 and motor 9, electronic devices and components are provided with in electrical appliance kit 1, electrical appliance kit 1 comprises box body 2, lid 3 and fixed support plate 4, box body 2 and lid 3 form box-packed hermetically-sealed construction, the bottom of box body 2 is by off-premises station median septum 5 support, one end of box body 2 is connected with one end of fixed support plate 4, the other end of fixed support plate 4 is fixedly connected with casing of outdoor side plate 6, and box body 2 is provided with the cable-through hole 7 that electronic devices and components wire is drawn.
Compressor 8 comprises compression chamber and motor, and compression chamber and motor are arranged in the closure that is welded by soldering or melting welding, and compression chamber and motor share a main shaft, and suction tracheae and power supply joint pin are arranged on the outer surface of closure.
Motor 9 is provided with explosion-resistant enclosure.Explosion-resistant enclosure is formed by sealed with brazing by upper and lower metal cylinder.Motor 9 adopts explosion-resistant enclosure that the explosive gas mixture in surrounding environment is separated.But because this explosion-resistant enclosure has been not hermetic, the explosive gas mixture in surrounding environment can enter motor internal by the gap, each several part composition surface of explosion-resistant enclosure.Just may blast when contacting with Ignition sources such as the spark in explosion-resistant enclosure, electric arc, dangerous high temperature, at this moment the explosion-resistant enclosure of motor not only can not damage or be out of shape, and explosive flame or hot gases are when spreading out of by gap, composition surface, the explosive gas mixture of surrounding of can not igniting.
The pin interfaces part that electrical appliance kit 1, compressor 8 are connected with outside with motor 9 adopts cast form to seal, and the raw material of cast is epoxy resin.Although these charging member monomers are totally-enclosed or blast resistance construction, but still may conduct in the pin interfaces part be connected with outside and produce fire origin when air-conditioner runs, electric spark such as owing to producing when line fault short circuit or electric elements interior patches adhesive contact, thus cause the potential safety hazard of lighting explosive gas mixture.So the present invention easily produces the hidden danger position of short circuit, electric spark at above-mentioned electric elements, charging member plug wire place and lead outlet place etc., cast form compound is adopted to seal, it is made to be hedged off from the outer world completely, to guarantee that air-conditioner can not light explosive gas atmosphere in operating conditions.
Split-type explosion-proof air conditioner adopts the power line and electrical equipment connection electric wire that can bear high load, and namely the copper core cross section of electric wire used is larger than the conventional wire cross-section used, and as power line, the power line specification of conventional air-conditioning device use is: 10A, 3G0.824mm2; And explosion-proof detachable air conditioner employing specification of the present invention is: the power line of 18A, 3G2.5mm2, has higher mistake load and security.When avoiding complete machine to run under specific overload condition with this, occur because crossing load ability and cause wire short-circuiting on fire, so light surrounding environment flammable/potential safety hazard of damp.
Electrical appliance kit 1, compressor 8 and motor 9 are provided with corresponding earth connection, and two of earth connection adopts brass screw to be fixed, and makes above each grounding components reliable, causes fire, blast or electric shock and other safety accidents to avoid air-conditioner when surprisingly leaking electricity.Panel beating ground structure for band spraying adopts the brass screw of band Jie tooth pad to be fixed connection, and time fixing, Jie's tooth pad effectively can scrape sprayed coating off, thus avoids because sprayed coating increases resistance value and reduce complete machine ground connection performance
Be provided with the detection receiver window 11 of flammable/damp at air conditioner room unit return air inlet 10, detect receiver window 11 and install the concentration sensor that can detect flammable/damp, concentration sensor connects warning device.According to the needs of different environment for use, can select for variety classes flammable/concentration sensor of damp.As used under coal mining enterprise's production operation environment, optional dress " sensing methane concentration device " etc.; If used in oil, chemical enterprise, optional dress " propane concentration sensor " etc.When air-conditioner complete machine runs, when in environment for use flammable/fiery gas bulk concentration arrive sensor setting warning concentration (this warning concentration need according to the explosion ratio limit of different damp, sensor is adjusted, general warning concentration is less than the LEL of this kind of damp) time, sensor sends teletype signal to programmable controller PLC, is controlled to complete by programmable controller PLC simultaneously: start that buzzer sends that buzz is warned, indoor unit panel warning lamp glimmers and warn, machine system is out of service etc. one is action.
Compared with prior art, Split-type explosion-proof air conditioner provided by the invention, in the electrical appliance kit of the electronic devices and components common placement that air-conditioner complete machine is used in off-premises station, electrical appliance kit Seal Design simultaneously, and adopt the mode of cast to seal in positions such as critical electronic components and parts, electrical equipment line outlets, further explosion-proof, flame proof process is carried out to electrical appliance kit and inner electric elements, effectively make fire origin isolate from hazardous environment, enhance the explosion-proof performance that air-conditioner complete machine runs in inflammable and explosive environment; Meanwhile, air-conditioner complete machine increases to danger flammable/detection of the concentration of damp and warning function, real-time monitoring is implemented to the environment for use at air-conditioner place.
Owing to possessing above-mentioned explosion prevention function, the Explosion-proof Design of described Split-type explosion-proof air conditioner can also apply in the refrigeration system of natural carbon-hydrogen refrigerant (as HC-290) that current refrigeration industry actively carrying out and HFC class cold-producing medium (as HFC-32).
As everyone knows, the HCFC class cold-producing medium (as HCFC-22) generally adopted due to existing refrigeration industry have serious to depletion of the ozone layer, increase the shortcomings such as Global Greenhouse Effect, be thus a main trend of refrigeration industry development with more environmental protection, more energy-efficient natural carbon-hydrogen refrigerant and HFC class refrigerant replacement HCFC class cold-producing medium.But because natural carbon-hydrogen refrigerant and HFC class cold-producing medium all belong to fuel gas (as HC-290 belongs to A3 class flammable explosive gas, HFC-32 belongs to the slight fuel gas of A2 class), still there is technical bottleneck in the utilization in air-conditioner: how to reduce security risk when user uses.
Explosion-proof Design of the present invention is applied in the refrigeration system of hydrocarbon class and HFC class cold-producing medium, effectively can prevent air-conditioner from use occurring the phenomenon of short circuit, electric leakage, an electric spark, improve the security used; And to there being the cold-producing medium accidental release of flammable/damp attribute to have Real-Time Monitoring and warning function in air-conditioner, greatly reduce the use safety risk of user.Described air-conditioner Explosion-proof Design, for having environmental protection, the hydrocarbon and utilization of HFC class cold-producing medium in air-conditioning of the advantage such as efficient have very positive impetus.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. a Split-type explosion-proof air conditioner, comprise electrical appliance kit, compressor and motor, electronic devices and components are provided with in described electrical appliance kit, it is characterized in that, described electrical appliance kit comprises box body, lid and fixed support plate, described box body and described lid form box-packed hermetically-sealed construction, the bottom of described box body is by off-premises station median septum support, one end of described box body is connected with one end of described fixed support plate, the other end of described fixed support plate is fixedly connected with casing of outdoor side plate, and described box body is provided with the cable-through hole that electronic devices and components wire is drawn; Compression chamber and motor are arranged in the closure that is welded by soldering or melting welding by described compressor, and described compression chamber and described motor share a main shaft, and suction tracheae and power supply joint pin are arranged on the outer surface of described closure; Described motor arranges explosion-resistant enclosure, and described explosion-resistant enclosure is formed by sealed with brazing by upper and lower metal cylinder; The pin interfaces part that described electrical appliance kit, compressor are connected with outside with motor adopts cast form to seal; Described electrical appliance kit, compressor and motor are provided with corresponding earth connection, and two of described earth connection adopts brass screw to be fixed, and described brass screw is with Jie's tooth pad; The detection receiver window of flammable/damp is provided with at air conditioner room unit return air inlet, described detection receiver window installs the concentration sensor that can detect flammable/damp, described concentration sensor connects warning device, and described air conditioner room unit, compressor and motor are out of service when described warning device gives the alarm.
2. Split-type explosion-proof air conditioner according to claim 1, is characterized in that, the raw material that the pin interfaces part that described electrical appliance kit, compressor are connected with outside with motor is poured into a mould is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310148263.2A CN103196184B (en) | 2013-04-25 | 2013-04-25 | A kind of Split-type explosion-proof air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310148263.2A CN103196184B (en) | 2013-04-25 | 2013-04-25 | A kind of Split-type explosion-proof air conditioner |
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| CN103196184A CN103196184A (en) | 2013-07-10 |
| CN103196184B true CN103196184B (en) | 2016-03-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9559517B2 (en) | 2014-09-16 | 2017-01-31 | Hoffman Enclosures, Inc. | Encapsulation of components and a low energy circuit for hazardous locations |
| CN106052007B (en) * | 2016-05-18 | 2021-11-16 | 珠海格力电器股份有限公司 | Electrical box and air conditioning system |
| CN109004381A (en) * | 2018-08-07 | 2018-12-14 | 格力电器（杭州）有限公司 | Compressor and air conditioner with same |
| CN110602935B (en) * | 2019-08-21 | 2024-01-12 | 珠海格力电器股份有限公司 | Electrical apparatus box, air conditioner internal unit and air conditioner |
| CN110529932B (en) * | 2019-09-27 | 2024-02-20 | 南阳市一通防爆电气有限公司 | IECEx explosion-proof air conditioner and control method |
| CN112797479A (en) * | 2021-02-19 | 2021-05-14 | 肯赛思防爆技术(苏州)有限公司 | Explosion-proof split air conditioner |
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| CN103196184A (en) | 2013-07-10 |
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