CN109458749A - Water circulation type full-automatic regulation protects hot-water air conditioner - Google Patents
Water circulation type full-automatic regulation protects hot-water air conditioner Download PDFInfo
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- CN109458749A CN109458749A CN201811559557.3A CN201811559557A CN109458749A CN 109458749 A CN109458749 A CN 109458749A CN 201811559557 A CN201811559557 A CN 201811559557A CN 109458749 A CN109458749 A CN 109458749A
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- Prior art keywords
- water
- valve
- compressor
- heat exchanger
- hot
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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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
The invention discloses a kind of water circulation type full-automatic regulations to protect hot-water air conditioner, it is made of compressor, two position three-way valve, hot water heat exchanger, coolant solo valve, four way solenoid valve, heat exchanger of outdoor unit, first filter, flow controller, the second filter, the first gate valve, heat exchanger indoor unit, the second gate valve and four way solenoid valve.The present invention has the characteristics that efficiency is high, heating speed is fast, machine is stable and has comprehensive automatic adjustment and automatic protection, and does not influence the normal work of air-conditioning because water system has any failure or cuts off the water.
Description
Technical field
The present invention relates to a kind of air conditioner, specifically a kind of water circulation type full-automatic regulation protects hot-water air conditioner.
Background technique
Separate type air conditioner because of its good appearance, style is more, take up little area, noise is low, using flexible, installation and repairing are convenient
The advantages that and it is very popular, and at present family use a kind of most common air conditioner.This air conditioner is mainly by room
The components such as outer unit, indoor units and connecting pipeline form, and the bigger fan of noise, compression are equipped in outdoor unit
Machine and condenser etc. are equipped with evaporator, capillary, control electric appliance and blower etc. in indoor units.
Air conditioner water heating machine is the novel product for integrating air-conditioning and hot water on the basis of air-conditioning, he is in addition to there is fission
Outside the above-mentioned advantage of formula air-conditioning, he not only install save fill a water heater, and emission reduction, use upper two-way benefit
With really saving the spending of thermal resource.It is more very popular.
Since Split air-conditioning water heater group is influenced by itself with external environment, the irregular variation of water temperature, temperature,
The overload mechanical accident that will appear feed flow (refrigerant) deficiency or water temperature over-high due to water temperature is too low and system is caused to run,
Therefore the running quality of unit is directly influenced, the stability of unit operation is poor, and the performance of Energy Efficiency Ratio is abnormal, service life
It is short etc..
Summary of the invention
The object of the present invention is to provide a kind of efficiency height, heating speed is fast and has comprehensive automatic adjustment and automatic protection
The water circulation type full-automatic regulation of function protects hot-water air conditioner.
Water circulation type full-automatic regulation provided by the invention protects hot-water air conditioner, and the refrigerant exit of compressor is through two three
Port valve, hot water heat exchanger, coolant solo valve, four way solenoid valve, heat exchanger of outdoor unit, first filter, flow controller, the second mistake
Filter, the first gate valve, heat exchanger indoor unit, the second gate valve, then the refrigerant inlet of compressor is connect through four way solenoid valve, form system
Cold and hot water recycles circuit automatically；
The refrigerant exit of compressor through two position three-way valve, four way solenoid valve, heat exchanger of outdoor unit, first filter, flow controller,
Second filter, the first gate valve, heat exchanger indoor unit, the second gate valve, then connect through four way solenoid valve the refrigerant inlet of compressor
Form single refrigerating circuit；
The refrigerant exit of compressor is through two position three-way valve, hot water heat exchanger, coolant solo valve, four way solenoid valve, the second gate valve, room
Interior machine heat exchanger, the first gate valve, the second filter, flow controller, first filter, heat exchanger of outdoor unit, then be powered through four
The refrigerant inlet that magnet valve connects compressor forms heat pump heating water loop；
The refrigerant exit of compressor through two position three-way valve, four way solenoid valve, the second gate valve, heat exchanger indoor unit, the first gate valve,
Second filter, flow controller, first filter, heat exchanger of outdoor unit, then connect through four way solenoid valve the refrigerant inlet of compressor
Form heating loop.
Among the above, outdoor coil temperature sensor is installed on the coil pipe of heat exchanger of outdoor unit.
Among the above, the refrigerant exit of compressor is equipped with compressor exit temperature sensor.
Among the above, it is additionally provided with refrigerant fluid reservoir, the pipeline connected between heat exchanger of outdoor unit and first filter
On separately there is a branch to connect refrigerant fluid reservoir through the first check valve, mechanical pressure feather valve import, the second filter and the first lock
Separately there is a branch to connect the import of refrigerant fluid reservoir through second one-way valve, mechanical pressure feather valve on the pipeline connected between valve, it is cold
The outlet of matchmaker's fluid reservoir connects the refrigerant inlet of compressor through automatic liquid supply electromagnetism two-port valve.
Among the above, the outlet of the first check valve and second one-way valve separately has a branch to connect pressure through high temperature unloading electromagnetism two-port valve
The refrigerant inlet of contracting machine.
Among the above, pressure sensor is connected in the refrigerant inlet of compressor.
Among the above, the water inlet of hot water heat exchanger connects cold-water supplying valve through one branch of water circulating pump, and another branch connects hot water
The water return outlet of water tank, the water outlet of hot water heat exchanger connect the water inlet of hot water water tank, hot water storage through hot water flow controller
Hot water effluent's valve is installed on water pot.
Among the above, hot water water tank is equipped with hot water temperature sensor.
The beneficial effects of the present invention are: having, efficiency is high, heating speed is fast, machine is stable and there have to be comprehensive automatic
The features such as adjusting and the features such as automatic protection, and not influencing the normal work of air-conditioning due to water system has any failure or cuts off the water,
It is a kind of ideal energy-saving type air conditioner and water heating electrical appliance equipment.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure, 1- compressor, 2- two position three-way valve, 3- hot water heat exchanger, 4- coolant solo valve, 5- four way solenoid valve, 6-
Heat exchanger of outdoor unit, 7- first filter, 8- flow controller, the second filter of 9-, the first gate valve of 10-, 11- indoor unit heat exchange
Device, the second gate valve of 12-, 13- outdoor coil temperature sensor, 14- compressor exit temperature sensor, 15- second one-way valve,
The first check valve of 16-, 17- mechanical pressure feather valve, 18- refrigerant fluid reservoir, 19- automatic liquid supply electromagnetism two-port valve, 20- high temperature unload
Carry electromagnetism two-port valve, 21- outdoor fan, 22- water circulating pump, 23- hot water temperature sensor, 24- hot water water tank, 25- cold water
Feed water valve, 26- hot water effluent valve, 27- hot water flow controller and 28- pressure sensor.
Specific embodiment
Referring to Fig.1, water circulation type full-automatic regulation provided by the invention protects hot-water air conditioner, and the refrigerant of compressor 1 goes out
Mouth is filtered through two position three-way valve 2, hot water heat exchanger 3, coolant solo valve 4, four way solenoid valve 5, heat exchanger of outdoor unit 6, first
Device 7, flow controller 8, the second filter 9, the first gate valve 10, heat exchanger indoor unit 11, the second gate valve 12, then through four way solenoid valve
5 connect the refrigerant inlet of compressor 1, form refrigeration and hot water recycles circuit automatically；
The refrigerant exit of compressor 1 is through two position three-way valve 2, four way solenoid valve 5, heat exchanger of outdoor unit 6, first filter 7, section
Device 8, the second filter 9, the first gate valve 10, heat exchanger indoor unit 11, the second gate valve 12 are flowed, then connects pressure through four way solenoid valve 5
The refrigerant inlet of contracting machine 1 forms single refrigerating circuit；
The refrigerant exit of compressor 1 is through two position three-way valve 2, hot water heat exchanger 3, coolant solo valve 4, four way solenoid valve 5, the second lock
Valve 12, heat exchanger indoor unit 11, the first gate valve 10, the second filter 9, flow controller 8, first filter 7, outdoor unit heat exchange
Device 6, then the refrigerant inlet for connecing compressor 1 through four way solenoid valve 5 form heat pump heating water loop；
The refrigerant exit of compressor 1 is through two position three-way valve 2, four way solenoid valve 5, the second gate valve 12, heat exchanger indoor unit 11,
One gate valve 10, the second filter 9, flow controller 8, first filter 7, heat exchanger of outdoor unit 6, then pressure is connect through four way solenoid valve 5
The refrigerant inlet of contracting machine 1 forms heating loop.
In the present invention, outdoor coil temperature sensor 13, outdoor unit heat are installed on the coil pipe of heat exchanger of outdoor unit 6
Outdoor fan 21 is had on exchanger 6, the refrigerant exit of compressor is equipped with compressor exit temperature sensor 14, in compressor
1 refrigerant inlet is connected to pressure sensor 28.
In the present invention, it is additionally provided with refrigerant fluid reservoir 18, connects between heat exchanger of outdoor unit 6 and first filter 7
Separately there is a branch to connect the import of refrigerant fluid reservoir 18 through the first check valve 16, mechanical pressure feather valve 17 on the pipeline connect, second
Separately there is a branch through second one-way valve 15, mechanical pressure feather valve 17 on the pipeline connected between filter 9 and the first gate valve 10
The import of refrigerant fluid reservoir 18 is connect, the outlet of refrigerant fluid reservoir 18 connects the refrigerant of compressor 1 through automatic liquid supply electromagnetism two-port valve 19
Entrance, the outlet of the first check valve 16 and second one-way valve 15 separately have a branch to connect compressor through high temperature unloading electromagnetism two-port valve 20
1 refrigerant inlet.
In the present invention, the water inlet of hot water heat exchanger 3 connects cold-water supplying valve 25, Ling Yizhi through 22 1 branch of water circulating pump
Road connects the water return outlet of hot water water tank 24, and the water outlet of hot water heat exchanger 3 connects hot water water tank 24 through hot water flow controller 27
Water inlet, hot water effluent's valve 26 is installed on hot water water tank 24, hot water water tank 24 is equipped with hot water temperature sensor 23.
In use, the operating loop of each function:
Refrigeration and hot water recycle function automatically: when indoor cooling activation signal issues, compressor 1 is started to work, and system
In refrigerant suck compression, refrigerant by high pressure send out through two position three-way valve 2, hot water heat exchanger 3, coolant solo valve 4, four-way electromagnetic
Valve 5, heat exchanger of outdoor unit 6, first filter 7, flow controller 8, the second filter 9, the first gate valve 10, indoor machine evaporation
11, the second gate valve 12 is returned to four-way valve 5, again returns to compressor 1, completes one action circulation.
At the same time, if pipe-line system is overloaded, before first filter 7, part refrigerant is split by way of first
Check valve 16, mechanical pressure feather valve 17, are unloaded to liquid storage in refrigerant fluid reservoir 18.Again when pressure sensor 28 detects pipeline
When system is under-voltage (feed flow is insufficient), the automatic liquid supply electromagnetism two-port valve 19 connect on refrigerant fluid reservoir 18 is mended to compressor 1 automatically
Liquid, until system feed flow is normal, automatic liquid supply electromagnetism two-port valve 19 is automatically closed in pressure sensor 28.
At the same time, if pipe-line system occurs overloading or system feed flow is insufficient, compressor exit temperature sensor 14 will be examined
It measures beyond operation ceiling temperature, this signal will be sent to outer electromechanical daughter board, and electron plate instructs high temperature unloading electromagnetism two-port valve 20 dynamic
Make, pipeline portions refrigerant flow liquid is unloaded, cooling compressor is enabled, until system restores normal, high temperature unloads electromagnetism two-port valve 20
It closes.
When the detected value > environment temperature of the hot water temperature sensor 23 of hot water water tank 24, and heat exchanger of outdoor unit
When 6 outdoor coil temperature sensor 13 is lower than system lower limit value, when outdoor fan 21 does not work, until hot water temperature sensor
23, when any one of outdoor coil temperature sensor 13 exceeds the upper limit gradually, the outdoor fan 21 of heat exchanger of outdoor unit 6 with
With heat extraction is accelerated gradually, system is enabled to run automatically into optimum state.
At the same time, the water circulating pump 22 in water circulation system acts therewith, constantly collects what compressor circuit transmission came
Heat is stored to hot water water tank, and constantly the water thermal energy of hot water water tank is promoted.
When an abnormal situation occurs, for example, water circulating pump 22 be out of order, water shortage, water lines it is run-down etc., hot water flow control
Device 27 processed has exception to signal to electronic control panel, and air-conditioning ' refrigeration recuperation of heat ' function is automatically converted into ' single to freeze ' function
Can, meanwhile, on the hot water control operation space of a whole page, the warning of automatic spring ' water shortage ' text does not interfere with air-conditioning because water route is gone wrong
It operates normally.
Single refrigerating function: being recycled automatically using air conditioner refrigerating and hot water and carried out simultaneously, but is locked in ' single refrigeration '
There are two conditions for function: 1, when water temperature is beyond default upper limit value.2, when detecting that water flow switch is failure to actuate.Booting refrigeration
After machine startup, if being detected the above-mentioned one of condition that meets, machine will automatically switch to ' single refrigeration ' function.
The refrigerant operating path of ' single refrigerating function ' is: compressor 1 is started to work, and the refrigerant in system is sucked pressure
Contracting, refrigerant are sent out by high pressure through two position three-way valve 2, four way solenoid valve 5, heat exchanger of outdoor unit 6, first filter 7, flow controller
8, the second filter 9, the first gate valve 10, heat exchanger indoor unit 11, the second gate valve 12, be returned to four-way valve 5, back to compression
Machine 1 completes one action circulation.
Single cooling operation mode, refrigerant trend are also failure to actuate without passing through hot water heat exchanger 3, water circulating pump 22, hot water storage
24 water temperature of water pot is remained stationary.
Heat pump water heating function: the operating path of heat pump water heating is: compressor 1 is started to work, and cold in system
Matchmaker sucks compression, and refrigerant is sent out by high pressure through two position three-way valve 2, hot water heat exchanger 3, coolant solo valve 4, four way solenoid valve 5, the
Two gate valves 12, heat exchanger indoor unit 11, the first gate valve 10, the second filter 9, flow controller 8, first filter 7, outdoor unit heat
Exchanger 6 is evaporated, and is returned to four way solenoid valve 5, again returns to compressor 1, completes one action circulation.
At the same time, if pipe-line system is overloaded, before the second filter 9, part refrigerant is split by way of second
Check valve 15, mechanical pressure feather valve 17, are unloaded to liquid storage in refrigerant fluid reservoir 18.Equally, pressure sensor 28 detects pipe
When road system is under-voltage (feed flow is insufficient), the automatic liquid supply electromagnetism two-port valve 19 on fluid reservoir is connect automatically to 1 fluid infusion of compressor, is arrived
Until system feed flow is normal, automatic liquid supply electromagnetism two-port valve 19 is automatically closed in pressure sensor 28.
Air conditioner eructation function: being heated using heating, and the operating path of compressor compresses refrigerant is: compressor 1 is started to work,
And the refrigerant in system is sucked compression, high temperature and pressure refrigerant is sent through two position three-way valve 2, four way solenoid valve 5, the second gate valve
12, heat exchanger indoor unit 11, the first gate valve 10, the second filter 9, flow controller 8, filter 7, heat exchanger of outdoor unit 6(into
Row evaporation absorbs thermal energy), four way solenoid valve 5, return to compressor 1, complete pipeline circulation.
Equally, overburden portion extraction raffinate is unloaded before the second filter of path 9 by second one-way valve 15, mechanical pressure
Valve 17 is unloaded to refrigerant fluid reservoir 18.Conversely, system is under-voltage, pressure sensor 28 issues ' under-voltage ' signal, enables refrigerant fluid reservoir
Refrigerant liquid in 18 is acted by automatic liquid supply electromagnetism two-port valve 19；Give compressor suction port fluid infusion.If meeting compressor row
Temperature spends height, and temperature sensor 14, which issues ' high temperature ' signal, enables refrigerant liquid dynamic also by high temperature unloading electromagnetism two-port valve 20
Make；It is unloaded to compressor suction port.When delivery temperature falls below upper limit value, high temperature unloading electromagnetism two-port valve 20 is automatically closed.
Air-conditioning and hot water function enable simultaneously: when air-conditioning and and hot water function all while when enabling, air conditioning mode is preferential.Again
When air-conditioner temperature row to setting value, machine will uninterruptedly be switched to the ' heat pump heating ' mode operation of hot water.Work as air conditioning chamber again
When temperature reaches setting initiation value, ' heat pump heating ' automatically switches to air conditioning mode, and process is uninterrupted.Entire full-automatic automatic tune
Section, full-automatic protection, by outdoor unit electron plate software instruction；Outdoor unit hardware executes.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of water circulation type full-automatic regulation protects hot-water air conditioner, which is characterized in that the refrigerant exit of compressor is through two
Triple valve, hot water heat exchanger, coolant solo valve, four way solenoid valve, heat exchanger of outdoor unit, first filter, flow controller, second
Filter, the first gate valve, heat exchanger indoor unit, the second gate valve, then the refrigerant inlet of compressor is connect through four way solenoid valve, it is formed
Refrigeration and hot water recycle circuit automatically；
The refrigerant exit of compressor through two position three-way valve, four way solenoid valve, heat exchanger of outdoor unit, first filter, flow controller,
Second filter, the first gate valve, heat exchanger indoor unit, the second gate valve, then connect through four way solenoid valve the refrigerant inlet of compressor
Form single refrigerating circuit；
The refrigerant exit of compressor is through two position three-way valve, hot water heat exchanger, coolant solo valve, four way solenoid valve, the second gate valve, room
Interior machine heat exchanger, the first gate valve, the second filter, flow controller, first filter, heat exchanger of outdoor unit, then be powered through four
The refrigerant inlet that magnet valve connects compressor forms heat pump heating water loop；
The refrigerant exit of compressor through two position three-way valve, four way solenoid valve, the second gate valve, heat exchanger indoor unit, the first gate valve,
Second filter, flow controller, first filter, heat exchanger of outdoor unit, then connect through four way solenoid valve the refrigerant inlet of compressor
Form heating loop.
2. water circulation type full-automatic regulation according to claim 1 protects hot-water air conditioner, which is characterized in that outdoor unit heat
Outdoor coil temperature sensor is installed on the coil pipe of exchanger.
3. water circulation type full-automatic regulation according to claim 1 protects hot-water air conditioner, which is characterized in that compressor
Refrigerant exit is equipped with compressor exit temperature sensor.
4. water circulation type full-automatic regulation according to claim 1 protects hot-water air conditioner, which is characterized in that it also sets up
There is refrigerant fluid reservoir, separately has a branch unidirectional through first on the pipeline connected between heat exchanger of outdoor unit and first filter
Valve, mechanical pressure feather valve connect the import of refrigerant fluid reservoir, separately have on the pipeline connected between the second filter and the first gate valve
One branch connects the import of refrigerant fluid reservoir through second one-way valve, mechanical pressure feather valve, and the outlet of refrigerant fluid reservoir is mended automatically
Liquid electromagnetic two-port valve connects the refrigerant inlet of compressor.
5. water circulation type full-automatic regulation according to claim 4 protects hot-water air conditioner, which is characterized in that first is unidirectional
The refrigerant inlet that the outlet of valve and second one-way valve separately has a branch to connect compressor through high temperature unloading electromagnetism two-port valve.
6. water circulation type full-automatic regulation according to claim 1 protects hot-water air conditioner, which is characterized in that in compressor
Refrigerant inlet be connected to pressure sensor.
7. water circulation type full-automatic regulation according to claim 1 protects hot-water air conditioner, which is characterized in that hot water heat exchange
The water inlet of device connects cold-water supplying valve through one branch of water circulating pump, and another branch connects the water return outlet of hot water water tank, hot water heat exchange
The water outlet of device connects the water inlet of hot water water tank through hot water flow controller, and hot water effluent's valve is equipped on hot water water tank.
8. water circulation type full-automatic regulation according to claim 1 protects hot-water air conditioner, which is characterized in that hot water water storage
Tank is equipped with hot water temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559557.3A CN109458749A (en) | 2018-12-20 | 2018-12-20 | Water circulation type full-automatic regulation protects hot-water air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559557.3A CN109458749A (en) | 2018-12-20 | 2018-12-20 | Water circulation type full-automatic regulation protects hot-water air conditioner |
Publications (1)
| Publication Number | Publication Date |
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| CN109458749A true CN109458749A (en) | 2019-03-12 |
Family
ID=65613989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811559557.3A Pending CN109458749A (en) | 2018-12-20 | 2018-12-20 | Water circulation type full-automatic regulation protects hot-water air conditioner |
Country Status (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304362A (en) * | 1999-04-20 | 2000-11-02 | Fujitsu General Ltd | Air-conditioner |
| CN2758671Y (en) * | 2004-12-22 | 2006-02-15 | 韩金山 | Full-function air conditioner water heater |
| CN101078547A (en) * | 2007-06-22 | 2007-11-28 | 钟灼钧 | Hot water air conditioning device |
| CN203405024U (en) * | 2013-06-19 | 2014-01-22 | 李伟 | Air energy cold and hot full-energy-storage apparatus |
| CN209214145U (en) * | 2018-12-20 | 2019-08-06 | 茂名市茂南区沃航制冷节能科技有限公司 | Water circulation type full-automatic regulation protects hot-water air conditioner |
-
2018
- 2018-12-20 CN CN201811559557.3A patent/CN109458749A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304362A (en) * | 1999-04-20 | 2000-11-02 | Fujitsu General Ltd | Air-conditioner |
| CN2758671Y (en) * | 2004-12-22 | 2006-02-15 | 韩金山 | Full-function air conditioner water heater |
| CN101078547A (en) * | 2007-06-22 | 2007-11-28 | 钟灼钧 | Hot water air conditioning device |
| CN203405024U (en) * | 2013-06-19 | 2014-01-22 | 李伟 | Air energy cold and hot full-energy-storage apparatus |
| CN209214145U (en) * | 2018-12-20 | 2019-08-06 | 茂名市茂南区沃航制冷节能科技有限公司 | Water circulation type full-automatic regulation protects hot-water air conditioner |
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