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CN105823170B - A kind of refrigeration air-conditioner integrated experiment device with explosion prevention function - Google Patents

A kind of refrigeration air-conditioner integrated experiment device with explosion prevention function Download PDF

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Publication number
CN105823170B
CN105823170B CN201610150709.9A CN201610150709A CN105823170B CN 105823170 B CN105823170 B CN 105823170B CN 201610150709 A CN201610150709 A CN 201610150709A CN 105823170 B CN105823170 B CN 105823170B
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China
Prior art keywords
outside
indoor
environment
air
explosion
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CN201610150709.9A
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Chinese (zh)
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CN105823170A (en
Inventor
张秀平
吴俊峰
周俊海
葛坦
戴琳
贾甲
王晓光
郑庆伟
张伟
范欢欢
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Sinomach General Machinery Science & Technology Co ltd
Hefei General Machinery Research Institute Co Ltd
Original Assignee
Hefei General Environment Control Technology Co Ltd
Hefei General Machinery Research Institute Co Ltd
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Application filed by Hefei General Environment Control Technology Co Ltd, Hefei General Machinery Research Institute Co Ltd filed Critical Hefei General Environment Control Technology Co Ltd
Priority to CN201811298158.6A priority Critical patent/CN109612751B/en
Priority to CN201610150709.9A priority patent/CN105823170B/en
Publication of CN105823170A publication Critical patent/CN105823170A/en
Application granted granted Critical
Publication of CN105823170B publication Critical patent/CN105823170B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/005Testing of complete machines, e.g. washing-machines or mobile phones
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/14Fire prevention, containment or extinguishing specially adapted for particular objects or places in connection with doors, windows, ventilators, partitions, or shutters, e.g. automatic closing
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • 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
    • F24F11/0001Control or safety arrangements for ventilation
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/005Arrangement or mounting of control or safety devices of safety devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/182Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/22Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/221Preventing leaks from developing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/22Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222Detecting refrigerant leaks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Atmospheric Sciences (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Quality & Reliability (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention provides a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function, including between the environment of outside, between the environment of indoor, water system simulation system, experimental rig exhaust system, anti-explosion ventilator and combined aural and visual alarm;It is connected respectively with the air inlet of experimental rig exhaust system between the environment of outside, between the environment of indoor;The gas outlet of experimental rig exhaust system is connected with anti-explosion ventilator;Imflammable gas concentrations detectors are respectively equipped between the environment of outside, in the environment of indoor;Combined aural and visual alarm is respectively equipped between the environment of outside, between the environment of indoor, in control room;Top between the environment of outside is equipped with outside lightweight pressure release top, and the top between side ring border is equipped with indoor lightweight pressure release top indoors.Advantageous effects: the present invention can reduce the security risk when refrigeration air-conditioner product test using combustible refrigerant, meet the safety test technical need of the refrigeration air-conditioner product using combustible refrigerant.

Description

A kind of refrigeration air-conditioner integrated experiment device with explosion prevention function
Technical field
The invention patent belongs to cooling air conditioner experimental rig field, and in particular to one kind is suitable for using flammable refrigeration The integrated experiment device of the refrigeration air-conditioner properties of product test of agent.The present invention is suitable for the refrigeration air-conditioner using combustible refrigerant The enthalpy potential method experiment device of product test, refrigeration air-conditioner product test suitable for using combustible refrigerant environmental simulation examination Experiment device and the test device of cold water unit suitable for using the refrigeration air-conditioner product test of combustible refrigerant.
Background technique
Refrigeration air-conditioner integrated experiment device be it is a kind of be suitable for room air conditioner, wind cooling unit formula air conditioner, Water cooling unit formula air conditioner, fan coil units, air-cooled cold water (heat pump) unit and water-cooled cold water (heat pump) machine The experimental rig of the multiclass refrigeration air-conditioner properties of product such as group test.Experimental rig by aerial temperature and humidity environmental simulation system (with Lower abbreviation: air simulation system) and coolant-temperature gage flow simulation system (hereinafter referred to as: Fluid Dynamics system), realize all kinds of manufactured experimently The automatic adjustment of cold air-conditioning products operating condition carries out the performance detection of subject product under the working condition of simulation.Test dress Set be refrigeration air-conditioner product development, exfactory inspection and optimization design important research and development and quality control method.
For room air conditioner and wind cooling unit formula air conditioner class product, is realized and tried using air simulation system Experiment device indoor, the interior temperature and humidity working condition of outside environment utilize the operation of apparatus for measuring air quantity measurement subject product Air quantity measures subject product by air sampling device and imports and exports air parameter, the final air for realizing subject product refrigerating capacity Enthalpy potential method test.
For water cooling unit formula air conditioner and fan unit tubing product, experimental rig is realized using air simulation system Environment interior temperature and humidity working condition in indoor passes through air using the operation air quantity of apparatus for measuring air quantity measurement subject product Sampler measures subject product and imports and exports air parameter, realizes the Study on Air Enthalpy Difference Method test of subject product air side refrigerating capacity; The water-in and water-out temperature and flow rate working conditions condition of subject product are provided using Fluid Dynamics system, measures water-in and water-out temperature and water effluent Amount, the test of the final water side refrigerating capacity that subject product is realized using water side calorimeter method.
For air-cooled cold water (heat pump) unit class product, experimental rig outside environment is realized using air simulation system Interior temperature and humidity working condition;The water-in and water-out temperature and flow rate working conditions condition of subject product, measurement are provided by Fluid Dynamics system Water-in and water-out temperature and water effluent amount, the test of the final water side refrigerating capacity that subject product is realized using water side calorimeter method.
For water-cooled cold water (heat pump) unit class product, side, heat are used by Fluid Dynamics system offer subject product The water-in and water-out temperature and flow rate working conditions condition of source measure water-in and water-out temperature and water effluent amount, finally use water side calorimeter Method realizes that subject product uses side, the test of the refrigerating capacity of heat source side.
Currently, fulfiling Montreal protocol to cope with the environmental problems such as depletion of the ozone layer and global warming International conventioies such as " Jingdone district protocols ", refrigerating and air conditioning industry is carrying out refrigerant replacement work in the world, most as the whole world Big HCFCs class refrigerant consumes state, and China honours an agreement that the situation is tense.Under the overall background of above-mentioned International refrigeration agent substitution, I State had been started up HCFCs class refrigerant acceleration eliminate, and begin to focus on high GWP HFCs class refrigerant eliminate.Currently, Some alternative refrigerants, such as R32, R290 by as in China's refrigerating and air conditioning industry, long-term potential substitute.On but Alternative refrigerant is stated from the point of view of its security standpoint, all has certain combustibility, there is a certain security risk for use process.
The country has had begun the R&D work using refrigeration air-conditioner products of combustible refrigerants such as R32, R290, and There is Related product gradually to introduce to the market, matching with the research and development of product and industrialization, it is necessary to have the refrigeration air-conditioners of explosion prevention function Integrated experiment device uses the refrigeration air-conditioner product test of combustible refrigerant to meet.Existing experimental rig there are it is following not Foot: (1) the not set concentration monitor of existing apparatus, the pressure safety measures such as air draft and sound-light alarm.(2) existing apparatus is electrical Element and the electrostatic of environmental structure are the incendiary source of imflammable gas environment mostly;(3) structure of existing experimental rig designs nothing Method meets requirement of the combustible refrigerant use environment for fire prevention and safety relief;Above deficiency fills existing test It sets, when combustible refrigerant leakage and aggregation occur for subject product, combustible refrigerant encounters incendiary source or is stuck in electricity When gas element near zone, it is also easy to produce the risk of fire or explosion accident.
Summary of the invention
For existing laboratory not to using inflammable and explosive combustible refrigerant to carry out special design, there are structure and The technical problem of dual hidden danger in safety, the present invention provide a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function, Specific structure is as follows:
A kind of refrigeration air-conditioner integrated experiment device with explosion prevention function, including 1 between the environment of outside, between the environment of indoor 2, control room 3, water system simulation system 17.It will be 1 between the environment of outside by outside water inlet pipe 18 and outside return pipe 19 It is connected with water system simulation system 17.By indoor water inlet pipe 20 and indoor return pipe 21 by between the environment of indoor 2 and water System simulation system 17 is connected.
Outdoor air processing unit 6, outdoor air sampler 7, outside confession are equipped in 1 between the environment of outside Electronic box 9, outside illumination 15.
2 interior indoor air sampler 10, indoor air processing unit 12, the air quantity of being equipped with are surveyed between side ring border indoors Measure device 13, indoor power supply box 14, indoor illumination 16, platinum resistance temperature sensor 22.
Power cabinet 4, control and data collection system 5 are equipped in control room 3.
Furthermore: being equipped with experimental rig exhaust system 30, anti-explosion ventilator 32 and combined aural and visual alarm 33.
2 it is connected respectively with the air inlet of experimental rig exhaust system 30 1 between the environment of outside, between the environment of indoor.Test The gas outlet of device exhaust system 30 is connected with anti-explosion ventilator 32.
1 between the environment of outside, 2 between the environment of indoor in be respectively equipped with imflammable gas concentrations detectors 26.
1 between the environment of outside, combined aural and visual alarm 33 is respectively equipped between the environment of indoor in 2, control room 3.
After imflammable gas concentrations detectors 26 detect the concentration of imflammable gas more than the safety value manually set, Combined aural and visual alarm 33 alarm, meanwhile, by anti-explosion ventilator 32 by between the environment of outside 2 between 1 and/or indoor environment in gas Extraction, and then the concentration of imflammable gas is dropped under the safety value manually set.
1 top is equipped with outside lightweight pressure release top 23 between the environment of outside, and 2 top is equipped between side ring border indoors Indoor lightweight pressure release top 25.
Compared to the prior art the present invention has the advantages that
1. the present invention is provided with combustible refrigerant density real-time monitoring in refrigeration air-conditioner integrated experiment device and forces logical The interlocking mechanism that wind apparatus, sound-light alarm and subject product automatically power off, when combustible refrigerant leaks, can and Shi Zidong starting alarm and forced ventilation device are surveyed to significantly reduce using the refrigeration air-conditioner product of combustible refrigerant Security risk when examination meets the safety test technical need of the refrigeration air-conditioner product using combustible refrigerant.
2. the present invention uses Explosion-proof Design to the electrical component and equipment motor of experimental rig, and carries out in building structure Antistatic is effectively controlled the incendiary source of experimental rig, and combustion caused by combustible refrigerant leakage aggregation can be effectively prevented The generation of quick-fried accident.
3. the present invention has used in experimental rig, building structure is prevented fires and the structure of setting explosion venting device designs, and is being burnt When accident occurs, breakdown strength when firing can also be mitigated, harm of releasing in time.
Detailed description of the invention
Fig. 1 is conventional refrigeration air conditioner comprehensive performance test apparatus schematic diagram top view.
The side view of Fig. 2 Fig. 1.
Fig. 3 is the refrigeration air-conditioner comprehensive performance testing device schematic diagram top view that this patent has explosion prevention function.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is lightweight pressure release top scheme of installation side view.
Specific embodiment
Now in conjunction with the attached drawing design feature that the present invention will be described in detail.
Ginseng is seen figures 3 and 4, a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function, including 1 between the environment of outside, 2, control room 3, water system simulation system 17 between the environment of indoor.
By outside water inlet pipe 18 and outside return pipe 19 by between the environment of outside 1 and 17 phase of water system simulation system Even.Between the environment of indoor 2 are connected with water system simulation system 17 by indoor water inlet pipe 20 and indoor return pipe 21.
Outdoor air processing unit 6, outdoor air sampler 7, outside confession are equipped in 1 between the environment of outside Electronic box 9, outside illumination 15.
2 interior indoor air sampler 10, indoor air processing unit 12, the air quantity of being equipped with are surveyed between side ring border indoors Measure device 13, indoor power supply box 14, indoor illumination 16, platinum resistance temperature sensor 22.
Power cabinet 4, control and data collection system 5 are equipped in control room 3.
Furthermore: being equipped with experimental rig exhaust system 30, anti-explosion ventilator 32 and combined aural and visual alarm 33.
2 it is connected respectively with the air inlet of experimental rig exhaust system 30 1 between the environment of outside, between the environment of indoor.Test The gas outlet of device exhaust system 30 is connected with anti-explosion ventilator 32.
1 between the environment of outside, 2 between the environment of indoor in be respectively equipped with imflammable gas concentrations detectors 26.
1 between the environment of outside, combined aural and visual alarm 33 is respectively equipped between the environment of indoor in 2, control room 3.
After imflammable gas concentrations detectors 26 detect the concentration of imflammable gas more than the safety value manually set, Combined aural and visual alarm 33 alarm, meanwhile, by anti-explosion ventilator 32 by between the environment of outside 2 between 1 and/or indoor environment in gas Extraction, and then the concentration of imflammable gas is dropped under the safety value manually set.
Referring to fig. 4,1 between the environment of outside, 2 between the environment of indoor in be evenly equipped with 4~8 imflammable gas concentration respectively Detector 26.Imflammable gas in 2 between imflammable gas concentrations detectors 26, indoor environment in 1 between the environment of outside The spacing on concentrations detectors 26 and ground is between 200~1000mm.
Furtherly, experimental rig exhaust system 30 is ventilation duct.
Referring to Fig. 3, outside air draft is equipped in the end of the 1 experimental rig exhaust system 30 being connected between the environment of outside Explosion-proof air-valve 29.The explosion-proof air-valve 29 of outside air draft is normally closed.Imflammable gas concentration in 1 between being located outside side ring border Acousto-optic report when imflammable gas concentration detected by detector 26 is more than safety value, between the environment of outside in 1, control room 3 Alert device 33 is alarmed, and air draft explosion-proof air-valve 29 in outside is opened, by anti-explosion ventilator 32 by the gas in 1 between the environment of outside through trying Experiment device exhaust system 30 is discharged.
The explosion-proof air-valve of indoor air draft is equipped in the end of the 2 experimental rig exhaust systems 30 being connected between the environment of indoor 31.The explosion-proof air-valve 31 of indoor air draft is normally closed.Imflammable gas concentrations detectors 26 in 2 between the environment of indoor When detected imflammable gas concentration is more than safety value, the combined aural and visual alarm 33 between the environment of indoor in 2, control room 3 is reported Alert, air draft explosion-proof air-valve 31 in indoor is opened, and is arranged the gas in 2 between the environment of indoor through experimental rig by anti-explosion ventilator 32 Wind system 30 is discharged.
Referring to fig. 4, one of preferred scheme are as follows: 1 top is equipped with outside lightweight pressure release top 23 between the environment of outside. The quality on outside lightweight pressure release top 23 is not more than 60kg/m2
Referring to fig. 4, the two of preferred scheme are as follows: 2 top is equipped with indoor lightweight pressure release top 25 between side ring border indoors. The quality on indoor lightweight pressure release top 25 is not more than 60kg/m2
Referring to fig. 4, the three of preferred scheme are as follows: 1 top is equipped with outside lightweight pressure release top 23 between the environment of outside, 2 top is equipped with indoor lightweight pressure release top 25 between side ring border indoors.Outside lightweight pressure release top 23, indoor lightweight pressure release The quality on top 25 is no more than 60kg/m2
Referring to Fig. 5, preferred technical solution is that outside lightweight pressure release top 23 is installed on outside by card slot interface 1 top between environment.
Cylinder 34, cylinder jointing 35, pressure sensor 36, cylinder are equipped in the lower section on outside lightweight pressure release top 23 Bracket 37, installation support 38.
Outside lightweight pressure release top 23 is connected by cylinder jointing 35 with the top of cylinder 34, the pedestal of cylinder 34 and Air cylinder support 37 is connected, and air cylinder support 37 is suspended in the lower section on outside lightweight pressure release top 23, and 1 top between the environment of outside Plate is fixed by installation support 38.It is evenly distributed with 4 pressure sensors 36 respectively in the bottom end on outside lightweight pressure release top 23.Pressure passes Sensor 36 is connected with the control terminal of cylinder 34.
When the pressure value that the pressure sensor 36 for being arranged in 23 bottom end of outside lightweight pressure release top monitors is no more than flammable When property gas fires pressure set points: cylinder 34 is in reset state, by between cylinder 34 and outside lightweight pressure release top 23 Pressure, it is ensured that 1 leakproofness between the environment of outside.
When the pressure sensor 36 for being arranged in outside lightweight pressure release top 23,25 bottom end of indoor lightweight pressure release top monitors Pressure value be more than imflammable gas when firing pressure set points: supplied by cylinder 34, pass through air pressure and piston is pushed to generate thrust It stretches out, outside lightweight pressure release top 23 is released, pressure release purpose is reached.
Referring to Fig. 5, preferred technical solution is that indoor lightweight pressure release top 25 is installed on indoor side ring by card slot interface 2 top between border.
The lower section on side lightweight pressure release top 25 is equipped with cylinder 34, cylinder jointing 35, pressure sensor 36, cylinder indoors Bracket 37, installation support 38.
Indoor lightweight pressure release top 25 is connected by cylinder jointing 35 with one end of cylinder 34, the pedestal of cylinder 34 It is connected with air cylinder support 37, air cylinder support 37 is suspended in the lower section on indoor lightweight pressure release top 25, and 2 between the environment of indoor Top plate it is fixed by installation support 38.The bottom end on indoor lightweight pressure release top 25 is evenly distributed with 4 pressure sensors 36 respectively.Pressure Sensor 36 is connected with the control terminal of cylinder 34.
When the pressure value that the pressure sensor 36 for being arranged in 25 bottom end of indoor lightweight pressure release top monitors is no more than flammable When property gas fires pressure set points: cylinder 34 is in reset state, by between cylinder 34 and indoor lightweight pressure release top 25 Pressure, it is ensured that 2 leakproofness between the environment of indoor.
When the pressure value that the pressure sensor 36 for being arranged in 25 bottom end of indoor lightweight pressure release top monitors is more than combustibility When gas fires pressure set points: cylinder 34 supplies, and pushes piston to generate thrust by air pressure and stretches out, by indoor lightweight pressure release Top 25 is released, and pressure release purpose is reached.
Referring to fig. 4, outside exhaust outlet 24 is provided in 1 side walls between the environment of outside.Outside exhaust outlet 24 It is connected with experimental rig exhaust system 30.
Indoor exhaust outlet 27 is provided in 2 side walls between side ring border indoors.Indoor exhaust outlet 27 and test fill Exhaust system 30 is set to be connected.
Referring to fig. 4, one layer of anti-static coating is respectively equipped on 2 ground 1 between the environment of outside, between the environment of indoor 28。
Furtherly, outdoor air processing unit 6, indoor air handle unit 12, outdoor air sampler 7, indoor air sampler 10, apparatus for measuring air quantity 13, platinum resistance temperature sensor 22, outside power supply box 9, indoor Power supply box 14, outside illumination 15, indoor illumination 16 are blast resistance construction or explosion separation structure.
2 building enclosure can resist at least one hour baked wheaten cake between 1, indoor environment between composition outside environment.Institute It states building enclosure and refers to door, pipeline.
Furtherly, imflammable gas concentrations detectors 26, outside power supply box 9,14 experimental rig of indoor power supply box Exhaust system 30, anti-explosion ventilator 32,33 mutual linking of combined aural and visual alarm,
Experimental rig exhaust system 30 includes the explosion-proof air-valve 29 of outside air draft and the explosion-proof air-valve 31 of indoor air draft.
When imflammable gas concentrations detectors 26 monitor that the concentration of combustible refrigerant is no more than refrigerant combustible concentration Lower limit LFL 20% when:
Outside power supply box 9, indoor power supply box 14 obtain electric, the subject product outdoor unit being connected with outside power supply box 9 8, the subject product indoor unit 11 being connected with indoor power supply box 14 operates normally.
The explosion-proof air-valve 29 of outside air draft and the explosion-proof air-valve 31 of indoor air draft are in close state.
Anti-explosion ventilator 32, combined aural and visual alarm 33 are not run.
When imflammable gas concentrations detectors 26 monitor that the concentration of combustible refrigerant is more than under refrigerant combustible concentration When limiting the 20% of LFL:
Outside power supply box 9 and/or indoor power supply box 14 power off, the subject product room being connected with outside power supply box 9 Outer machine 8, the equal power loss of subject product indoor unit 11 being connected with indoor power supply box 14, and stop working.
The explosion-proof air-valve 29 of outside air draft and/or the explosion-proof air-valve 31 of indoor air draft are opened, experimental rig exhaust system 30 exhaust passage conducting.The air for being mixed with combustible refrigerant is discharged for the operating of anti-explosion ventilator 32, exhausting.
Combined aural and visual alarm 33 obtains electric, alarm.
It referring to Fig. 1 and Fig. 2, is the schematic diagram in traditional structure laboratory: including 1 between the environment of outside, between the environment of indoor 2, control room 3, water system simulation system 17, outside water inlet pipe 18, outside return pipe 19, indoor water inlet pipe 20 and interior Side return pipe 21.By outside water inlet pipe 18 and outside return pipe 19 by between the environment of outside 1 and water system simulation system 17 are connected.By indoor water inlet pipe 20 and indoor return pipe 21 by between the environment of indoor 2 and 17 phase of water system simulation system Even.It is equipped with outdoor air in 1 between the environment of outside and handles unit 6, outdoor air sampler 7, outside power supply box 9, outside illumination 15.Indoor air sampler 10 is equipped between side ring border in 2 indoors, indoor air handles unit 12, apparatus for measuring air quantity 13, indoor power supply box 14, indoor illuminate 16, platinum resistance temperature sensor 22.In control room 3 Equipped with power cabinet 4, control and data collection system 5.Since conventional refrigerants do not have inflammable and explosive physicochemical characteristic, thus it is corresponding Laboratory do not examine the fire-proof and explosion-proof structure of benefit, be not able to satisfy technology development, the market demand.
In conclusion the present invention and existing traditional enthalpy refrigeration air-conditioner comprehensive performance testing device have following difference:
1. the present invention between the environment of outside 2 between 1 and indoor environment in from the ground top 200~1000mm at uniform cloth Set 4~8 combustible refrigerant gas concentration detectors 26, this apart from height correspond to refrigerant in air disperse, suspend Highly, and with the height of detecting instrument, equipment under test match, so as to efficiently be monitored.
2. it is of the invention between the environment of outside between 1 and indoor environment 2 outside be provided with the explosion-proof air-valve of air draft (29, 31) it can in time will be more than and anti-explosion ventilator 32, that the combustible refrigerant gas of safety value is discharged, reach the effect for reducing concentration Fruit.
3. the present invention 1 between the environment of outside, between the environment of indoor 2 and control room 3 inside increased setting acousto-optic report newly Alert device 33, reminds experimenter to check dangerous situation, intervention experiment in time using manual type, it is ensured that safety.
4. combustible refrigerant gas concentration detector 26, the explosion-proof air-valve of air draft (29,31), explosion venting in the present invention 33 mutual linking of machine 32 and combined aural and visual alarm, can automatically be discharged gas, it is ensured that experiment safety.
5. 2 floor sprays anti-static coating 28 to the present invention between 1 and indoor environment between the environment of outside, can be effective It prevents friction from generating electrostatic and lights combustible refrigerant gas.
6. in the present invention between the environment of outside 2 between 1 and indoor environment in electrical equipment and element, including air-treatment The electrical equipments such as electric heating, blower motor, the compressor electric motor of system (6,12), air sampling device (7,10) and air measuring The blower motor of device 13, test platinum resistance temperature sensor 22, power supply box (9,14) and illumination (15,16) are all made of anti- The design of quick-fried or flame proof, and be installed on and meet " the 8th part of explosive atmosphere: by setting for " n " type protection GB 3836.8-2014 It is standby " in the protection cabinet bodies of standard requirements or it is suitable for GB 3836.15 " Electric Equipment in Explosive Gas Atmosphere the 15th Point: electrically install (except coal mine) hazardous area " 2,1,0 area that defines uses, put an end to the fire source, it is ensured that even if generation is inflammable and explosive The leakage of coolant or even concentration over-standard will not put gas explosion body.
7. between outside environment of the invention between 1 and indoor environment 2 building enclosure, including door, pipeline etc., except original Heat preservation, outside Seal Design, fire protection design need to be carried out, at least one hour baked wheaten cake can be resisted.
8. 2 top setting quality is less than or equal to 60kg/m between 1 and indoor environment between outside environment of the invention2's Lightweight pressure release top (23,25) can play the purpose of buffering and pressure release when combustible refrigerant gas blast accident occurs, The harm of blast accident bring can be effectively reduced.
9. experimental rig exhaust system 30 is in close state, 1 He between the environment of outside when experimental rig operates normally The explosion-proof air-valve of air draft (29,31) and anti-explosion ventilator 32 outside 2 between the environment of indoor are in off working state.Work as outdoor Combustible refrigerant gas concentration detector 26 between (interior) side ring border monitors that the concentration of combustible refrigerant is more than refrigerant Combustible concentration lower limit LFL 20% when, by peripheral control program automatically open outdoor (interior) side the explosion-proof air-valve of air draft (29, 31), start anti-explosion ventilator 32, trigger outside environment between 1 and indoor environment 2 and control room 3 inside acousto-optic report Alert device 33, cuts off the power supply of subject product outdoor unit 8 and subject product indoor unit 11.

Claims (8)

1. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function, including between the environment of outside between (1), indoor environment (2), control room (3), water system simulation system (17);Outdoor air is equipped in (1) between the environment of outside and handles unit (6), outdoor air sampler (7), outside power supply box (9), outside illumination (15);Indoors between side ring border in (2) Equipped with indoor air sampler (10), indoor air processing unit (12), apparatus for measuring air quantity (13), indoor power supply Case (14), indoor illuminate (16), platinum resistance temperature sensor (22);Be equipped in the control room (3) power cabinet (4), control and Data collection system (5);It is characterized by:
Equipped with experimental rig exhaust system (30), anti-explosion ventilator (32) and combined aural and visual alarm (33);
(2) are connected with the air inlet of experimental rig exhaust system (30) respectively between (1), indoor environment between the environment of outside;Examination The gas outlet of experiment device exhaust system (30) is connected with anti-explosion ventilator (32);
Imflammable gas concentrations detectors (26) are respectively equipped in (2) between (1), indoor environment between the environment of outside;
Between the environment of outside (2) between (1), indoor environment, in control room (3) be respectively equipped with combined aural and visual alarm (33);
After imflammable gas concentrations detectors (26) detect the concentration of imflammable gas more than the safety value manually set, sound Light crossing-signal (33) alarm, meanwhile, it will be between the environment of outside between (1) and/or indoor environment in (2) by anti-explosion ventilator (32) Gas extraction, and then the concentration of imflammable gas is dropped under the safety value manually set;
The top of (1) is equipped with outside lightweight pressure release top (23) between the environment of outside, sets at the top of (2) between side ring border indoors There is indoor lightweight pressure release top (25);
Outside lightweight pressure release top (23), the top that (1) between the environment of outside is installed on by card slot interface;
Outside lightweight pressure release top (23) lower section be equipped with cylinder (34), cylinder jointing (35), pressure sensor (36), Air cylinder support (37), installation support (38);
Outside lightweight pressure release top (23) is connected by cylinder jointing (35) with the top of cylinder (34), the bottom of cylinder (34) Seat is connected with air cylinder support (37), and air cylinder support (37) is suspended in outside lightweight pressure release top (23 lower section, and and outside (1) top plate is fixed by installation support (38) between environment;It is evenly distributed with 4 pressure respectively in the bottom end on outside lightweight pressure release top (23) Sensor (36);Pressure sensor (36) is connected with the control terminal of cylinder (34);
When the pressure value that the pressure sensor (36) for being arranged in outside lightweight pressure release top (23) bottom end monitors is no more than flammable When property gas fires pressure set points: cylinder (34) is in reset state, passes through cylinder (34) and outside lightweight pressure release top (23) pressure between, it is ensured that the leakproofness of (1) between the environment of outside;
When the pressure sensor (36) for being arranged in outside lightweight pressure release top (23), indoor lightweight pressure release top (25) bottom end monitors To pressure value be more than imflammable gas fire pressure set points when: by cylinder (34) supply, pass through air pressure push piston generate Thrust is stretched out, and outside lightweight pressure release top (23) is released, pressure release purpose is reached.
2. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function according to claim 1, it is characterised in that:
It is evenly equipped with 4~8 imflammable gas concentrations detectors respectively in (2) between (1), indoor environment between the environment of outside (26);
Imflammable gas between imflammable gas concentrations detectors (26), indoor environment between the environment of outside in (1) in (2) The spacing on concentrations detectors (26) and ground is between 200 ~ 1000mm.
3. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function according to claim 1, it is characterised in that: examination Experiment device exhaust system (30) is ventilation duct, and the explosion-proof air-valve of outside air draft (29) is equipped in experimental rig exhaust system (30) With the explosion-proof air-valve of indoor air draft (31);
The explosion-proof air-valve of outside air draft is equipped in the end for the experimental rig exhaust system (30) that (1) is connected between the environment of outside (29);The explosion-proof air-valve of outside air draft (29) is normally closed;Imflammable gas concentration between being located outside side ring border in (1) is visited Sound when surveying imflammable gas concentration detected by device (26) and being more than safety value, in (1) between the environment of outside, control room (3) Light crossing-signal (33) alarm, the explosion-proof air-valve of outside air draft (29) are opened, by anti-explosion ventilator (32) by (1) between the environment of outside In gas through experimental rig exhaust system (30) be discharged;
The explosion-proof air-valve of indoor air draft is equipped in the end for the experimental rig exhaust system (30) that (2) are connected between the environment of indoor (31);The explosion-proof air-valve of indoor air draft (31) is normally closed;When the imflammable gas concentration between the environment of indoor in (2) is visited Sound when surveying imflammable gas concentration detected by device (26) and being more than safety value, in (2) between the environment of indoor, control room (3) Light crossing-signal (33) alarm, the explosion-proof air-valve of indoor air draft (31) are opened, by anti-explosion ventilator (32) by (2) between the environment of indoor In gas through experimental rig exhaust system (30) be discharged.
4. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function according to claim 1, it is characterised in that: room Outside lightweight pressure release top (23), indoor lightweight pressure release top (25) quality no more than 60kg/m2
5. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function according to claim 1, it is characterised in that: Outside exhaust outlet (24) are provided in a side walls of (1) between the environment of outside;Outside exhaust outlet (24) and experimental rig are arranged Wind system (30) is connected;Indoor exhaust outlet (27) are provided in a side walls of (2) between side ring border indoors;Indoor exhaust outlet (27) it is connected with experimental rig exhaust system (30).
6. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function according to claim 1, it is characterised in that: It is respectively equipped with one layer of anti-static coating (28) between the environment of outside between (1), indoor environment on the ground of (2).
7. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function according to claim 1, it is characterised in that: room Outside air processing unit (6), indoor air processing unit (12), outdoor air sampler (7), indoor air take Sampling device (10), apparatus for measuring air quantity (13), platinum resistance temperature sensor (22), outside power supply box (9), indoor power supply box (14), outside illumination (15), indoor illumination (16) are blast resistance construction or explosion separation structure;
The building enclosure of (2) can resist at least one hour baked wheaten cake between (1), indoor environment between composition outside environment;Institute It states building enclosure and refers to door, pipeline.
8. a kind of refrigeration air-conditioner integrated experiment device with explosion prevention function according to claim 1, it is characterised in that:
Imflammable gas concentrations detectors (26), outside power supply box (9), indoor power supply box (14), experimental rig air draft system System (30), anti-explosion ventilator (32), combined aural and visual alarm (33) mutual linking;
Experimental rig exhaust system (30) includes the explosion-proof air-valve of outside air draft (29) and the explosion-proof air-valve of indoor air draft (31);
When imflammable gas concentrations detectors (26) monitor that the concentration of combustible refrigerant is no more than under refrigerant combustible concentration When limiting the 20% of LFL:
Outside power supply box (9), indoor power supply box (14) must be electric, outside the subject product room being connected with outside power supply box (9) Machine (8), the subject product indoor unit (11) being connected with indoor power supply box (14) operate normally;
The explosion-proof air-valve of outside air draft (29) and the explosion-proof air-valve of indoor air draft (31) are in close state;
Anti-explosion ventilator (32), combined aural and visual alarm (33) are not run;
When imflammable gas concentrations detectors (26) monitor that the concentration of combustible refrigerant is more than refrigerant combustible concentration lower limit LFL 20% when:
Corresponding outside power supply box (9) and/or indoor power supply box (14) power-off, the quilt being connected with outside power supply box (9) Trial product outdoor unit (8), subject product indoor unit (11) the equal power loss being connected with indoor power supply box (14), and stop working;
The explosion-proof air-valve of outside air draft (29) and/or the explosion-proof air-valve of indoor air draft (31) are opened, experimental rig exhaust system (30) exhaust passage conducting;The air for being mixed with combustible refrigerant is discharged for anti-explosion ventilator (32) operating, exhausting;
Combined aural and visual alarm (33) obtains electric, alarm.
CN201610150709.9A 2016-03-15 2016-03-15 A kind of refrigeration air-conditioner integrated experiment device with explosion prevention function Active CN105823170B (en)

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