CN110388709A - A kind of air conditioner used in kitchen and its control system and method - Google Patents
A kind of air conditioner used in kitchen and its control system and method Download PDFInfo
- Publication number
- CN110388709A CN110388709A CN201910698114.0A CN201910698114A CN110388709A CN 110388709 A CN110388709 A CN 110388709A CN 201910698114 A CN201910698114 A CN 201910698114A CN 110388709 A CN110388709 A CN 110388709A
- Authority
- CN
- China
- Prior art keywords
- gas
- air conditioner
- refrigeration module
- cooker
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
Abstract
The invention belongs to air-conditioning technical fields, and in particular to a kind of air conditioner used in kitchen and its control system and method.The air conditioner used in kitchen of the application is connect with fuel gas pipeline, including reversal valve and refrigeration module, the fuel gas pipeline selects to be connected to the refrigeration module or gas-cooker by reversal valve, the refrigeration module is for freezing the combustion gas that the fuel gas pipeline introduces as refrigerant, the combustion gas access gas-cooker after refrigeration module uses is as fuel, realize that air-conditioning does refrigerant using combustion gas, so that without refrigerant inside air-conditioning when air-conditioning is not run, the problem of refrigerant after scrapping there is no air-conditioning is handled, prevents refrigerant pollution environment.
Description
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of air conditioner used in kitchen and its control system and method.
Background technique
With the increasing living standards of the people, more stringent requirements are proposed for comfort level of the people to living environment, high
Requirement of the quality life for domestic environment is also higher and higher.In machine for kitchen use field, kitchen ventilator, gas-cooker have come into thousand
Ten thousand families of family, at necessary household electrical appliance for people's lives, oil smoke is excessive during solving culinary cuisine, cooks inconvenient ask
Topic.But in life, especially in the hot summer, in culinary cuisine, the operating temperature in kitchen can increase people, due to
The narrow space in kitchen, air cannot exchange in time, and it is with a face streaming with sweat to eventually lead to cooker, bring to cooker extremely bad
Experience.Therefore, air-conditioning is installed in kitchen to be of great significance for improving kitchen space environment.However since kitchen space is narrow
It is small, be not easy to installation traditional air conditioner, therefore, adaptation to local conditions, need it is a kind of integrate gas-cooker, the electrical equipment of air-conditioning solves
Refrigerant after the problem of certainly there are problems that when culinary cuisine and air-conditioning are scrapped is handled.
Summary of the invention
Narrow in order to solve above-mentioned kitchen space, temperature is high when culinary art, and cooker experience sense is poor, inconvenience installation traditional air conditioner
And air-conditioning is scrapped the problems such as rear refrigerant pollution environment, the present invention provides a kind of air conditioner used in kitchen and its control system and method.
To achieve the above object, the technical scheme adopted by the invention is that: a kind of air conditioner used in kitchen is connect with fuel gas pipeline,
Including reversal valve and refrigeration module, the fuel gas pipeline selects to be connected to the refrigeration module or gas-cooker by reversal valve, institute
Refrigeration module is stated to be used to freeze the combustion gas that the fuel gas pipeline introduces as refrigerant, it is described after refrigeration module use
Combustion gas accesses gas-cooker as fuel.
Further, refrigeration module includes compressor, evaporator, throttling set and condenser, the compressor with it is described
Reversal valve connection, the compressor, evaporator, throttling set and condenser constitute refrigerant flow.
Further, refrigeration module further includes vacuum pump, and the vacuum pump is set to the evaporator and the gas-cooker
Between, for combustion gas in refrigerant flow to be pumped into the gas-cooker.
Further, refrigeration module further includes motor, and the compressor and vacuum pump are driven by the motor.
Further, refrigeration module further includes air-heater, and the air-heater and the condenser are positioned opposite, the hot wind
The air outlet of machine is set to gas-cooker bottom, and the heat for will generate in condenser condensation process is sent into gas-cooker bottom.
Further, refrigeration module further includes air-cooler, and the air-cooler and the evaporator are positioned opposite, the cold wind
The air outlet of machine is air conditioner used in kitchen air outlet.
Further, air conditioner used in kitchen air outlet is set to the gas-cooker front end.
A kind of control system of air conditioner used in kitchen, including detector and controller, the detector are set to the fuel gas conduit
It on road and/or the refrigeration module and is connected with the controller in a signal way., the controller is connect with the reversing valve signal, is used
It is connected in controlling the reversal valve according to the detector signal of acquisition with the refrigeration module or the gas-cooker.
Further, detector includes ignition detector, and the ignition detector is set on gas-cooker for detecting combustion
The ignition signal of gas kitchen, and will test information and feed back to the controller.
Further, detector includes exhaust temperature sensing package, and the exhaust temperature sensing package is set to the exhaust outlet of the compressor,
For detecting the temperature information at the exhaust outlet of compressor end, and it will test information and feed back to the controller.
Further, detector includes condenser temperature sensing package, and the condenser temperature sensing package is set on the condenser, is used
In the temperature information of the detection condenser, and it will test information and feed back to the controller.
Further, detector includes evaporator temperature sensing package, and the evaporator temperature sensing package is set on the evaporator, is used for
The temperature information of the evaporator is detected, and will test information and feed back to the controller.
A kind of control method of air conditioner used in kitchen,
Air conditioner used in kitchen enters refrigeration mode；
Fuel gas pipeline is connect by reversal valve with refrigeration module；
Refrigeration module work, introduces refrigeration module as refrigerant for the combustion gas in fuel gas pipeline and freezes；
Combustion gas access gas-cooker after refrigeration module uses is as fuel.
Further, after air conditioner used in kitchen enters refrigeration mode, the firing information of gas-cooker is obtained, when getting gas-cooker
When firing information, controls the reversal valve and connect the fuel gas pipeline with the refrigeration module.
Further, after the firing information for getting the gas-cooker, start the compressor and the vacuum pump, in 5-
The remaining gas of refrigerant flow is excluded in 10s.
Further, it when refrigeration module works, as the temperature of evaporator temperature sensing package T1≤preset temperature X1, first closes and changes
To valve, after the completion of fuel gas buring, air-heater and air-cooler are closed, and postpone 0-5s close compressor motor, then control is changed
Fuel gas pipeline is connect with gas-cooker to valve.
Further, when refrigeration module works, as the temperature T2 >=preset temperature X2 or exhaust temperature-sensitive of condenser temperature sensing package
When temperature T3 >=preset temperature X3 of packet, reversal valve is first closed, after the completion of fuel gas buring, closes air-heater and air-cooler, and
Postpone 0-5s close compressor motor, then controls reversal valve and connect fuel gas pipeline with gas-cooker.
The present invention provides a kind of air conditioner used in kitchen, connect with fuel gas pipeline, including reversal valve and refrigeration module, the fuel gas conduit
Road selects to be connected to the refrigeration module or gas-cooker by reversal valve, and the refrigeration module is for introducing the fuel gas pipeline
Combustion gas freeze as refrigerant, it is described after refrigeration module uses combustion gas access gas-cooker be used as fuel, realization air-conditioning
Refrigerant is done using combustion gas, so that without refrigerant inside air-conditioning when air-conditioning is not run, what the refrigerant after scrapping there is no air-conditioning was handled
Problem prevents refrigerant pollution environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air conditioner used in kitchen；
Fig. 2 is the structural schematic diagram of the control system of air conditioner used in kitchen；
Fig. 3 is the control method flow chart of air conditioner used in kitchen.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.
As shown in Figure 1, a kind of air conditioner used in kitchen is connect with fuel gas pipeline 1, including reversal valve 2 and refrigeration module 3, the combustion gas
Pipeline 1 is connected to by the selection of reversal valve 2 with the refrigeration module 3 or gas-cooker 4, and the refrigeration module 3 is used for the combustion gas
The combustion gas that pipeline 1 introduces is freezed as refrigerant, and the combustion gas access gas-cooker 4 after refrigeration module 3 uses is as combustion
Material realizes that air-conditioning does refrigerant using combustion gas, so that without refrigerant inside air-conditioning when air-conditioning is not run, after scrapping there is no air-conditioning
The problem of refrigerant processing, prevent refrigerant pollution environment.
Refrigeration module 3 in the present embodiment includes compressor 31, evaporator 32, throttling set 33 and condenser 34, described
Compressor 31 is connect with the reversal valve 2, and the compressor 31, evaporator 32, throttling set 33 and condenser 34 constitute refrigerant
Flow path；Wherein throttling set 33 is for carrying out decompression processing to the combustion gas that can not be evaporated in combustion gas, so that the combustion gas is because of decompression
Expansion and absorb heat because in combustion gas component be not it is single, some alkane can be compressed by the compressor into liquid at normal temperature, but
It is that the alkane that has is then not all right, therefore the throttling set 33 mainly plays antihypertensive effect.
Refrigeration module further includes vacuum pump 35, motor 36, and the vacuum pump 35 is set to the evaporator 32 and the combustion
Between gas kitchen 4, for combustion gas in refrigerant flow to be pumped into the gas-cooker 4, i.e., evaporator 32 because by vacuum pump 35 constantly
Vacuum is extracted, so that liquid refrigerants evaporates, what department can not evaporate absorbs heat because of decompressional expansion, so that combustion gas is pumped into the combustion
Gas kitchen burning；For motor 36 for driving the compressor 31 and vacuum pump 35, i.e. compressor 31 and vacuum pump 35 uses same electricity
Machine 36 is driven, and achievees the purpose that save the cost, and makes for example same complete refrigerative circle system of the system of air-conditioning, very
The combustion gas of 35 extraction of sky pump enters air velocity faster, increases the contact area with air, so that burning is more abundant, fuel
Utilization rate is higher.
The refrigeration module 3 of the present embodiment further includes air-heater 37, air-cooler 38, and air-heater 37 and the condenser 34 are opposite
Arrangement, the air outlet of the air-heater 37 are set to 4 bottom of gas-cooker, the heat for will generate in 34 condensation process of condenser
It is sent into 4 bottom of gas-cooker, dry hearth；Air-cooler 38 and the evaporator 32 are positioned opposite, the air outlet of the air-cooler 38
For air conditioner used in kitchen air outlet, when refrigeration module 3 starts refrigeration in the present embodiment, through-flow fan blade in evaporator 32, delay is opened for several seconds
It is dynamic, avoid hot wind from blowing people；Air conditioner used in kitchen air outlet is set to the gas-cooker front end, and the air-conditioning in the present embodiment is with blinds side
Formula outlet air can manually adjust louver position, and windscreen can be set, high, normal, basic three gears, convenient for discharge cold wind, enhancing culinary art
The comfort level and experience sense of person.
As shown in Fig. 2, a kind of control system of air conditioner used in kitchen, including detector 5 and controller 6, the detector 5 are arranged
It is connect on the fuel gas pipeline 1 and the refrigeration module 3 and with 6 signal of controller, the controller 6 and the commutation
2 signal of valve connection, for controlling the reversal valve 2 and the refrigeration module 3 or the combustion gas according to 5 signal of detector of acquisition
Stove 4 is connected to.
Detector 5 in the present embodiment includes ignition detector 51, exhaust temperature sensing package 52, condenser temperature sensing package 53, evaporation
Device temperature sensing package 54, the ignition detector 51 is set to for detecting the ignition signal of gas-cooker 4 on gas-cooker 4, and will test
Information feeds back to the controller 6.
Exhaust temperature sensing package 52 is set to the exhaust outlet of the compressor 31, for detecting 31 exhaust port side of compressor
Temperature information, and will test information and feed back to the controller 6, when being vented temperature T3 >=preset temperature X3 of temperature sensing package, first
Reversal valve is closed, after the completion of fuel gas buring, blower is closed, postpones 5S close compressor motor.Then reversal valve commutates, combustion gas
It directly burns, prevents condenser pressure excessively high, and then the flame height for causing gas-cooker to export is excessively high, causes danger.
The packet of condenser temperature-sensitive 53 is set on the condenser 34, for detecting the temperature information of the condenser 34, and
It will test information and feed back to the controller 6, as the temperature of condenser temperature sensing package T2 >=preset temperature X2, first close commutation
Valve closes blower after the completion of fuel gas buring, postpones 5S close compressor motor；Then reversal valve commutates, and combustion gas is directly fired
It burns, prevents condenser pressure excessively high, and then the flame height for causing gas-cooker to export is excessively high, has an accident.
The packet of evaporator temperature-sensitive 54 is set on the evaporator 32, for detecting the temperature information of the evaporator 32, and will
Detection information feeds back to the controller 6, as the temperature of evaporator temperature sensing package T1≤preset temperature X1, first closes reversal valve,
After the completion of fuel gas buring, blower is closed, postpones 5S close compressor motor；Then reversal valve commutates, and combustion gas is directly burnt；It cuts
Changing combustion gas is the non-evaporating completely of liquid combustion gas and the burning that flies out in order to prevent, is had an accident.
As shown in figure 3, a kind of control method of air conditioner used in kitchen,
S1: air conditioner used in kitchen enters refrigeration mode；
I.e. by selection refrigeration button, air conditioner used in kitchen enters refrigeration mode；
S2: fuel gas pipeline is connect by reversal valve with refrigeration module；
After i.e. air conditioner used in kitchen enters refrigeration mode, normally-open igniter, igniter issues ignition signal；Controller obtains
The firing information of gas-cooker controls the reversal valve for the fuel gas pipeline and institute when getting the firing information of gas-cooker
State refrigeration module connection；
In the present embodiment after controller gets the firing information of the gas-cooker, start the compressor and described true
Sky pump, the remaining gas of refrigerant flow is excluded in 5-10s, reversal valve is then then turned on, by the fuel gas pipeline and the system
Cold module connection, starts to freeze；
S3: the combustion gas in fuel gas pipeline is introduced refrigeration module as refrigerant and freezed by refrigeration module work；
S4: the combustion gas access gas-cooker after refrigeration module uses is as fuel；
When refrigeration module works, as the temperature of evaporator temperature sensing package T1≤preset temperature X1, reversal valve is first closed, wait fire
After the completion of gas burning, air-heater and air-cooler are closed, and postpone 5s close compressor motor, then controls reversal valve for fuel gas conduit
Road is connect with gas-cooker；When temperature T2 >=preset temperature X2 of condenser temperature sensing package or temperature T3 >=default temperature of exhaust temperature sensing package
When spending X3, reversal valve is first closed, after the completion of fuel gas buring, closes air-heater and air-cooler, and postpones 5s close compressor electricity
Machine then controls reversal valve and connect fuel gas pipeline with gas-cooker.
When not selecting refrigeration mode, reversal valve disconnects refrigeration module, and combustion gas is directly arranged to gas-cooker, opens igniter
Ignition fuel.
Fuel gas pipeline of the present invention selects to be connected to the refrigeration module by reversal valve, and refrigeration module is by the fuel gas pipeline
The combustion gas of introducing is freezed as refrigerant, and the combustion gas access gas-cooker after refrigeration module uses realizes air-conditioning as fuel
Refrigerant is done using combustion gas, so that without refrigerant inside air-conditioning when air-conditioning is not run, what the refrigerant after scrapping there is no air-conditioning was handled
Problem prevents refrigerant pollution environment, has the function that protect environment.
It above are only preferred embodiment of the invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention, should all be belonged to behavior that violates the scope of protection of the present invention with this design.
Claims (17)
1. a kind of air conditioner used in kitchen, it is characterised in that: connect with fuel gas pipeline, including reversal valve and refrigeration module, the fuel gas conduit
Road selects to be connected to the refrigeration module or gas-cooker by reversal valve, and the refrigeration module is for introducing the fuel gas pipeline
Combustion gas freeze as refrigerant, it is described after refrigeration module uses combustion gas access gas-cooker as fuel.
2. air conditioner used in kitchen according to claim 1, it is characterised in that: the refrigeration module includes compressor, evaporator, section
Stream device and condenser, the compressor are connect with the reversal valve, the compressor, evaporator, throttling set and condenser
Constitute refrigerant flow.
3. air conditioner used in kitchen according to claim 2, it is characterised in that: the refrigeration module further includes vacuum pump, described true
Sky pump is set between the evaporator and the gas-cooker, for combustion gas in refrigerant flow to be pumped into the gas-cooker.
4. air conditioner used in kitchen according to claim 3, it is characterised in that: the refrigeration module further includes motor, the compression
Machine and vacuum pump are driven by the motor.
5. air conditioner used in kitchen according to claim 2, it is characterised in that: the refrigeration module further includes air-heater, the heat
Blower and the condenser are positioned opposite, and the air outlet of the air-heater is set to gas-cooker bottom, for condensing condenser
The heat generated in the process is sent into gas-cooker bottom.
6. air conditioner used in kitchen according to claim 2, it is characterised in that: the refrigeration module further includes air-cooler, described cold
Blower and the evaporator are positioned opposite, and the air outlet of the air-cooler is air conditioner used in kitchen air outlet.
7. air conditioner used in kitchen according to claim 6, it is characterised in that: the air conditioner used in kitchen air outlet is set to the combustion gas
Stove front end.
8. a kind of control system of air conditioner used in kitchen, it is characterised in that: including detector and controller, the detector is set to institute
It states on fuel gas pipeline and/or the refrigeration module and is connected with the controller in a signal way., the controller and the reversal valve are believed
Number connection, is connected to for controlling the reversal valve according to the detector signal of acquisition with the refrigeration module or the gas-cooker.
9. the control system of air conditioner used in kitchen according to claim 8, it is characterised in that: the detector includes igniting detection
Device, the ignition detector is set to for detecting the ignition signal of gas-cooker on gas-cooker, and be will test information and fed back to institute
State controller.
10. the control system of air conditioner used in kitchen according to claim 8, it is characterised in that: the detector includes exhaust sense
Thermometer bulb, the exhaust temperature sensing package is set to the exhaust outlet of the compressor, for detecting the temperature at the exhaust outlet of compressor end
Information, and will test information and feed back to the controller.
11. the control system of air conditioner used in kitchen according to claim 8, it is characterised in that: the detector includes condenser
Temperature sensing package, the condenser temperature sensing package are set on the condenser, for detecting the temperature information of the condenser, and will inspection
Measurement information feeds back to the controller.
12. the control system of air conditioner used in kitchen according to claim 8, it is characterised in that: the detector includes evaporator
Temperature sensing package, the evaporator temperature sensing package are set on the evaporator, for detecting the temperature information of the evaporator, and will test
Information feeds back to the controller.
13. a kind of control method of air conditioner used in kitchen, it is characterised in that:
Air conditioner used in kitchen enters refrigeration mode；
Fuel gas pipeline is connect by reversal valve with refrigeration module；
Refrigeration module work, introduces refrigeration module as refrigerant for the combustion gas in fuel gas pipeline and freezes；
Combustion gas access gas-cooker after refrigeration module uses is as fuel.
14. the control method of air conditioner used in kitchen according to claim 13, it is characterised in that: the air conditioner used in kitchen enters refrigeration
After mode, the firing information of gas-cooker is obtained, when getting the firing information of gas-cooker, controls the reversal valve for the combustion
Air pipe is connect with the refrigeration module.
15. the control method of air conditioner used in kitchen according to claim 14, it is characterised in that: get the point of the gas-cooker
After fiery information, start the compressor and the vacuum pump, the remaining gas of refrigerant flow is excluded in 5-10s.
16. the control method of air conditioner used in kitchen according to claim 13, it is characterised in that: when refrigeration module works, work as steaming
When sending out temperature T1≤preset temperature X1 of device temperature sensing package, reversal valve is first closed, after the completion of fuel gas buring, closes air-heater and cold
Blower, and postpone 0-5s close compressor motor, it then controls reversal valve and connect fuel gas pipeline with gas-cooker.
17. the control method of air conditioner used in kitchen according to claim 13, it is characterised in that: when refrigeration module works, when cold
Temperature T2 >=preset temperature X2 of condenser temperature sensing package or when being vented temperature T3 >=preset temperature X3 of temperature sensing package, first closes commutation
Valve closes air-heater and air-cooler, and postpone 0-5s close compressor motor after the completion of fuel gas buring, then control commutation
Fuel gas pipeline is connect by valve with gas-cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698114.0A CN110388709A (en) | 2019-07-31 | 2019-07-31 | A kind of air conditioner used in kitchen and its control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698114.0A CN110388709A (en) | 2019-07-31 | 2019-07-31 | A kind of air conditioner used in kitchen and its control system and method |
Publications (1)
| Publication Number | Publication Date |
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| CN110388709A true CN110388709A (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698114.0A Pending CN110388709A (en) | 2019-07-31 | 2019-07-31 | A kind of air conditioner used in kitchen and its control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393277A (en) * | 2020-10-13 | 2021-02-23 | 华帝股份有限公司 | Integrated cooker with refrigeration function and control method thereof |
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| CN205102489U (en) * | 2015-02-05 | 2016-03-23 | 刘雪生 | Refrigerator decompresses |
| CN208536433U (en) * | 2018-06-13 | 2019-02-22 | 成都爱信智能技术有限责任公司 | A kind of recuperation of heat Gas Air Conditioner System |
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| JP2006189225A (en) * | 2005-01-07 | 2006-07-20 | Toto Ltd | Air treatment device for cooking, and system kitchen provided with the same |
| CN101737878A (en) * | 2009-12-12 | 2010-06-16 | 广东美的电器股份有限公司 | Air conditioner using combustible refrigerant and control method thereof |
| CN205102489U (en) * | 2015-02-05 | 2016-03-23 | 刘雪生 | Refrigerator decompresses |
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Application publication date: 20191029 |