CN109990464A - A kind of household monoblock type cold air Teat pump boiler - Google Patents
A kind of household monoblock type cold air Teat pump boiler Download PDFInfo
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- CN109990464A CN109990464A CN201910165573.2A CN201910165573A CN109990464A CN 109990464 A CN109990464 A CN 109990464A CN 201910165573 A CN201910165573 A CN 201910165573A CN 109990464 A CN109990464 A CN 109990464A
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- water tank
- temperature
- evaporator
- unit
- teat pump
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Classifications
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- 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
- F24H4/04—Storage heaters
-
- 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
- F24H9/00—Details
- F24H9/02—Casings; Cover lids; Ornamental panels
-
- 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of household monoblock type cold air Teat pump boilers, including water tank, evaporator, compressor, blower, thermally conductive coil pipe, shell, pipeline, direct current generator；The evaporator top is provided with several nozzles；The nozzle is connect by pipeline with water tank；Solenoid valve is provided on the pipeline；Foam hole is arranged in the tank top, and the heat conducting disk pipe dish rotation is arranged on the outside of water tank, and the distance between the thermally conductive coil pipe and shell are 45-55mm；The foamed material enters injection between thermally conductive coil pipe and shell from foam hole；The present invention uses the technology of integral foam, enhance thermal insulation property, its foam hole is in tank top, this water pot can be foamed by gravity and pressure, the periphery of heat-pump part can be foamed by pressure, achieve the purpose that integral foam, while integral foam can be reduced the leakage heat of sky water heater during heating and invalid heat dissipation, air inlet can first pass through the high temperature cavity of compressor operation after integral foam simultaneously, can improve the running temperature of unit at low temperature.
Description
Technical field
The present invention relates to Teat pump boiler technical field more particularly to a kind of household monoblock type cold air Teat pump boilers.
Background technique
Air energy water heater is that heat is absorbed from Cryogenic air using inverse Carnot's principle (principle opposite with air-conditioning),
And heat is transferred in the water of high temperature, realize the process of heating.
A, current household monoblock type air energy water heater unit due to its structure limitation, in industry universal efficiency all compared with
It is low.
B, the cooling capacity of many household monoblock type air energy water heater units all wastes simultaneously, or uses
It can not meet the normal use demand of user.
Chinese patent (CN104776605B)) a kind of heat-pump water heater control method, controller and Teat pump boiler are disclosed,
The described method includes: the outdoor environment temperature value for multiple preset time points that the first temperature sensor of storage obtains；Work as Heat Pump
When hydrophone is in intelligent mode, the outdoor environment temperature value that the multiple preset time point obtains in n days before inquiry, n is default
Positive integer；According to query result, the average value of the outdoor environment temperature value of different preset time points in n days first is obtained；According to institute
There is average value, determines the starting time on the day of the heat pump unit of the Teat pump boiler.Teat pump boiler controlling party of the invention
Method, controller and Teat pump boiler increase intelligent mode, solve current Teat pump boiler heat pump under automatic control mode
Units consumption it is high and under time control pattern cumbersome, problem that user experience is poor；But the Heat Pump of the patent
The heat insulation effect of hydrophone is poor, is easy to appear the Process Problems of leakage heat and heat dissipation, and the efficiency of Teat pump boiler during heating
Than difference.
Chinese invention patent (CN104896733B) provides control method, device and the Heat Pump of a kind of Teat pump boiler
Hydrophone, Teat pump boiler include water tank, and the control method of Teat pump boiler includes: to receive user to be arranged for Teat pump boiler
With coolant-temperature gage and with the water time；Detect the water temperature in environment temperature and water tank locating for Teat pump boiler；According to the environment temperature
Degree, the water temperature, the performance parameter of the water and Teat pump boiler in coolant-temperature gage, the water tank, calculating will be in water tank
Water be heated to the heating duration needed for coolant-temperature gage；Heat Pump is determined with water time and the heating duration according to described
The starting time that hydrophone is heated, and when system time reaches the starting time, starting Teat pump boiler is heated.
Although the patent can adjust the time that Teat pump boiler is begun to warm up according to the actual condition of Teat pump boiler, heat is avoided
Pump water heater shifts to an earlier date the long period and completes heating since heat dissipation problem leads to the problem of waste is compared with multiple-energy-source, but the patent is simultaneously
Teat pump boiler cannot accurately be controlled according to actual needs, especially the patent is not provided with compressor, evaporator
Etc. operation conditions and heating time with for can also there are problems that waste of energy with the relationship of coolant-temperature gage.
Summary of the invention
To solve problems of the prior art, the present invention provides monoblock type cold air heat-pump hot-waters provided by the invention
Evaporator top in device is provided with several nozzles；Evaporator is sprayed by nozzle in water heater heating operations, is had
Effect provides the evaporating temperature of the operation of cold air Teat pump boiler, to provide the Energy Efficiency Ratio of cold air Teat pump boiler.
A kind of household monoblock type cold air Teat pump boiler, including it is water tank, evaporator, compressor, blower, thermally conductive coil pipe, outer
Shell, pipeline, direct current generator；It is characterized in that,
The evaporator top is provided with several nozzles；The nozzle is connect by pipeline with water tank；On the pipeline
It is provided with solenoid valve；
Foam hole is arranged in the tank top, and the heat conducting disk pipe dish rotation is arranged on the outside of water tank, the thermally conductive coil pipe with
The distance between shell is 45-55mm；The foamed material is full of between thermally conductive coil pipe and shell after foam hole entrance；
The blower is connect with evaporator, and by piping connection, the water tank passes through pipeline for the evaporator and compressor
It is connect with compressor；
The evaporator is connect with direct current generator；
Throttle valve or throttle capillary tube are additionally provided on the pipeline of the water tank and evaporator；
Controller is provided on the shell, the controller includes
Temperature detecting unit, for detecting the temperature of water tank lower part；
Flow rate control unit, for adjusting and controlling the flow velocity of nozzle；
Judging unit further includes computing unit, for calculating the water being used for water target temperature and temperature detecting unit detection
The difference of the temperature of lower box part；
Control unit, for controlling the operation function of the flow velocity of nozzle, compressor, evaporator according to the result of judging unit
Rate；
Execution unit, according to the result of judging unit to the flow velocity and compressor of nozzle in flow rate control unit, evaporation
Device is controlled.
Preferably, judging unit includes the first judging unit, second judgment unit；
First judging unit, for judging user with the difference and 0 of water target temperature Tm and water tank temperature of lower Tc
Relationship；
Second judgment unit, for judging user with the difference and decision content of water target temperature Tm and water tank temperature of lower Tc
Relationship between Δ T, decision content Δ T are empirical value, Δ T > 0 DEG C.
Preferably, the controller includes heating mode, ventilation mode, switching device；The switching device is according to first
The result of judging unit switches over heating mode and ventilation mode.
Preferably, the temperature detecting unit includes several temperature sensors, the temperature of the water tank lower part detected
Angle value takes the arithmetic mean of instantaneous value of multiple temperature values.
Preferably, the foamed material is the poly- pressure methyl polyphenylene ester of isocyanic acid.
Preferably, the bottom of the water tank is convex surface.
Preferably, the housing top end is provided with air outlet, air inlet；Outlet air air duct is provided at the air outlet,
Outlet air pipe end of giving a dinner for a visitor from afar is provided with baffle, and the baffle is for controlling air-out direction.
Preferably, the controller is electrically connected with the baffle, for controlling the direction of motion of baffle.
The control method of the household monoblock type cold air Teat pump boiler, includes the following steps；
S1: user is with water target temperature Tm for setting, passes through the temperature Tc that temperature detecting unit detects water tank lower part；
S2: the relationship of Tm-Tc and 0 is judged by the first judging unit；
S3: if Tm-Tc < 0, controller control switching device enters ventilation mode；
S4: if Tm-Tc > 0, controller control switching device enters heating mode；Decision content is set as Δ T, passes through
Two judging units judge the relationship of Tm-Tc Yu Δ T；
S5: if when Tm-Tc > Δ T, the compressor, evaporator are worked with 100% power, by the flow velocity of nozzle
Control is up to Vmax；
S6: if when Tm-Tc < Δ T, calculating the ratio a of Tm-Tc/ Δ T, the compressor, evaporator are with the function of a × 100%
Rate mode carries out, and is Vc=Vmax × a by the flow control of nozzle.
It compares with the prior art, the beneficial effect comprise that:
(1) foam hole, the rotation of heat conducting disk pipe dish is arranged in the tank top of monoblock type cold air Teat pump boiler provided by the invention
It is arranged on the outside of water tank, the distance between thermally conductive coil pipe and shell are 45-55mm；Institute's foamed material, which enters injection from foam hole, is leading
Between hot coil and shell；The technology for constituting integral foam enhances thermal insulation property, and foam hole is in tank top, by weight
Power and pressure can foam this water pot, the periphery of heat-pump part can be foamed by pressure, reach the mesh of integral foam
, and only foaming can once foam completely.Integral foam can be reduced the leakage heat of sky water heater during heating simultaneously
It radiates with invalid, while the running temperature of unit can be improved at low temperature.
(2) the evaporator top in monoblock type cold air Teat pump boiler provided by the invention is provided with several nozzles；Heat
Evaporator is sprayed by nozzle in hydrophone heating operations, the evaporation temperature of the operation of cold air Teat pump boiler is effectively provided
Degree, to provide the Energy Efficiency Ratio of cold air Teat pump boiler.
(3) evaporator provided by the invention is connect with direct current generator；The air outlet slit of evaporator uses DC MOTOR CONTROL,
It is good to effectively reduce power of fan DC motor speed-regulating performance, small, high-efficient, power factor height, so can be to a certain degree is lost
Upper reduction blower wasted work.
(4) bottom surface of water tank provided by the invention is convex surface, using single convex liner, reduces the product of cold water inside water tank
It deposits, improves unit performance, while in order to solve existing unit cooling capacity waste or invent a kind of mould using unreasonable situation spy
Formula meets the needs of user is using cooling capacity.
(5) real time temperature and user's water target temperature phase for the water tank lower part that the present invention is detected by temperature detecting unit
Compare, heating or the operation of ventilation mode is carried out to hot water heating pump, and pass through the real time temperature of water tank lower part and user's water
The difference of target temperature is compared with preset value, by controller issue it is corresponding execute signal to evaporator, compressor with
And flow controlling unit, so that the automatic real-time perfoming operating power control of evaporator, compressor, reduces to the full extent
Energy consumption.
Detailed description of the invention
Fig. 1 is monoblock type cold air heat pump type water heater structure schematic diagram provided by the invention；
Fig. 2 is monoblock type cold air Teat pump boiler top view provided by the invention；
Fig. 3 is monoblock type cold air Teat pump boiler main view provided by the invention；
Fig. 4 is the schematic diagram of the main view opposite face of monoblock type cold air Teat pump boiler provided by the invention；
Fig. 5 is the working principle diagram of monoblock type cold air Teat pump boiler provided by the invention；
Fig. 6 is the air-out direction schematic diagram of baffle control provided by the invention；
Fig. 7 is the flow chart of the control method of monoblock type cold air Teat pump boiler provided by the invention；
Attached concrete meaning marked in the figure is as follows:
1. foam hole；2. water tank；3. controller；
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the invention is described in detail.
Join Fig. 1-6 shown in, a kind of household monoblock type cold air Teat pump boiler, including water tank, evaporator, compressor, blower,
Thermally conductive coil pipe, shell, pipeline, direct current generator；Evaporator top is provided with several nozzles；The nozzle passes through pipeline and water tank
Connection；Evaporator top in monoblock type cold air Teat pump boiler provided by the invention is provided with several nozzles；Water heater system
Evaporator is sprayed by nozzle in thermal process, the evaporating temperature of the operation of cold air Teat pump boiler is effectively provided, thus
The Energy Efficiency Ratio of cold air Teat pump boiler is provided；
Solenoid valve is provided on pipeline；Foam hole 1 is arranged in tank top, and the heat conducting disk pipe dish rotation is arranged outside water tank
Side, the distance between the thermally conductive coil pipe and shell are 45-55mm；Foamed material is full of after the entrance of foam hole 1 in thermally conductive coil pipe
Between shell；That is the technology of present invention composition integral foam enhances thermal insulation property, and foam hole is in tank top, by weight
Power and pressure can foam this water pot, the periphery of heat-pump part can be foamed by pressure, reach the mesh of integral foam
, and only foaming can once foam completely.Integral foam can be reduced the leakage heat of sky water heater during heating simultaneously
It radiates with invalid, while the running temperature of unit can be improved at low temperature.
Blower is connect with evaporator, and by piping connection, the water tank 2 passes through pipeline and pressure for the evaporator and compressor
The connection of contracting machine；Evaporator is connect with direct current generator；Throttle valve or throttling capillary are additionally provided on the pipeline of water tank 2 and evaporator
Pipe；Controller 3 is provided on shell；Controller 3 includes temperature detecting unit, for detecting the temperature of water tank lower part；Flow velocity control
Unit processed, for adjusting and controlling the flow velocity of nozzle；Judging unit further includes computing unit, for calculating for using water target temperature
The difference of degree and the temperature of the water tank lower part of temperature detecting unit detection；Control unit, for according to the result of judging unit come
Control the operation power of the flow velocity of nozzle, compressor, evaporator；Execution unit, according to the result of judging unit to flow control
The flow velocity of nozzle and compressor, evaporator are controlled in unit.
Wherein, judging unit includes the first judging unit, second judgment unit；
First judging unit, for judging user with the difference and 0 of water target temperature Tm and 2 temperature of lower Tc of water tank
Relationship；
If Tm-Tc < 0, controller control switching device enters ventilation mode；
If Tm-Tc > 0, controller control switching device enters heating mode；
Second judgment unit, for judging user with the difference and judgement of water target temperature Tm and 2 temperature of lower Tc of water tank
The relationship being worth between Δ T, decision content Δ T are empirical value, Δ T > 0 DEG C.
Decision content is set as Δ T, the relationship of Tm-Tc Yu Δ T are judged by second judgment unit；
If the compressor, evaporator are worked when Tm-Tc > Δ T with 100% power, by the flow control of nozzle
It is up to Vmax；
S6: if when Tm-Tc < Δ T, calculating the ratio a of Tm-Tc/ Δ T, the compressor, evaporator are with 100% power
It works with the power mode progress of a × 100%, is Vc=Vmax × a by the flow control of nozzle.
Controller includes heating mode, ventilation mode, switching device；The switching device is according to the knot of the first judging unit
Fruit switches over heating mode and ventilation mode.
Temperature detecting unit includes several temperature sensors, and the temperature value of 2 lower part of water tank detected takes multiple
The arithmetic mean of instantaneous value of temperature value, foamed material are the poly- pressure methyl polyphenylene ester of isocyanic acid.The bottom of water tank is convex surface.Shell top
End is provided with air outlet, air inlet；It is provided with outlet air air duct at the air outlet, outlet air pipe end of giving a dinner for a visitor from afar is provided with gear
Piece, the baffle is for controlling air-out direction.Controller 3 is electrically connected with the baffle, for controlling the direction of motion of baffle.
The control method of the household monoblock type cold air Teat pump boiler, includes the following steps；
S1: user is with water target temperature Tm for setting, and the temperature Tc of water tank lower part is detected by temperature detecting unit,；
S2: the relationship of Tm-Tc and 0 is judged by the first judging unit；
S3: if Tm-Tc < 0, controller control switching device enters ventilation mode；
S4: if Tm-Tc > 0, controller control switching device enters heating mode；Decision content is set as Δ T, passes through
Two judging units judge the relationship of Tm-Tc Yu Δ T；
S5: if when Tm-Tc > Δ T, the compressor, evaporator are worked with 100% power, by the flow velocity of nozzle
Control is up to Vmax；
S6: if when Tm-Tc < Δ T, calculating the ratio a of Tm-Tc/ Δ T, the compressor, evaporator are with 100% power
It works with the power mode progress of a × 100%, is Vc=Vmax × a by the flow control of nozzle.
The control method of household monoblock type cold air Teat pump boiler provided by the invention is held accordingly by controller sending
Row signal to evaporator, compressor and flow controlling unit, thus according to the result of judging unit to evaporator, compressor with
And the control of flow controlling unit power and flow, energy consumption is reduced to the full extent.
A series of detailed description illustrating only for feasible embodiment of the invention described above,
They are not to limit the scope of the invention, in the knowledge that the technical field those of ordinary skill has
Interior, the various change made without departing from the purpose of the present invention all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of household monoblock type cold air Teat pump boiler, including water tank, evaporator, compressor, blower, thermally conductive coil pipe, shell,
Pipeline, direct current generator；It is characterized in that,
The evaporator top is provided with several nozzles；The nozzle is connect by pipeline with water tank；It is arranged on the pipeline
There is solenoid valve；
Foam hole is arranged in the tank top, and the heat conducting disk pipe dish rotation is arranged on the outside of water tank, the thermally conductive coil pipe and shell
The distance between be 45-55mm；The foamed material is full of between thermally conductive coil pipe and shell after foam hole entrance；
The blower is connect with evaporator, and by piping connection, the water tank passes through pipeline and pressure for the evaporator and compressor
The connection of contracting machine；
The evaporator is connect with direct current generator；
Throttle valve or throttle capillary tube are additionally provided on the pipeline of the water tank and evaporator；
Controller is provided on the shell, the controller includes
Temperature detecting unit, for detecting the temperature of water tank lower part；
Flow rate control unit, for adjusting and controlling the flow velocity of nozzle；
Judging unit further includes computing unit, is used for for calculating under water target temperature and the water tank of temperature detecting unit detection
The difference of the temperature in portion；
Control unit, for controlling the operation power of the flow velocity of nozzle, compressor, evaporator according to the result of judging unit；
Execution unit, according to the result of judging unit to the flow velocity and compressor of nozzle in flow rate control unit, evaporator into
Row control.
2. household monoblock type cold air Teat pump boiler as described in claim 1, which is characterized in that judging unit is sentenced including first
Disconnected unit, second judgment unit；
First judging unit, for judge user with the difference of water target temperature Tm and water tank temperature of lower Tc with 0 pass
System；
Second judgment unit, for judging user with the difference and decision content Δ T of water target temperature Tm and water tank temperature of lower Tc
Between relationship, decision content Δ T be empirical value, Δ T > 0 DEG C.
3. household monoblock type cold air Teat pump boiler as claimed in claim 2, which is characterized in that the controller includes heating
Mode, ventilation mode, switching device；The switching device is according to the result of the first judging unit to heating mode and ventilation mode
It switches over.
4. household monoblock type cold air Teat pump boiler as described in claim 1, which is characterized in that the temperature detecting unit packet
Several temperature sensors are included, the temperature value of the water tank lower part detected takes the arithmetic mean of instantaneous value of multiple temperature values.
5. household monoblock type cold air Teat pump boiler as described in claim 1, which is characterized in that the foamed material is isocyanide
The poly- pressure methyl polyphenylene ester of acid.
6. household monoblock type cold air Teat pump boiler as described in claim 1, which is characterized in that the bottom of the water tank is convex
Face.
7. household monoblock type cold air Teat pump boiler as described in claim 1, which is characterized in that the housing top end is provided with
Air outlet, air inlet；It is provided with outlet air air duct at the air outlet, outlet air pipe end of giving a dinner for a visitor from afar is provided with baffle, described
Baffle is for controlling air-out direction.
8. household monoblock type cold air Teat pump boiler as described in claim 1, which is characterized in that the controller and the gear
Piece electrical connection, for controlling the direction of motion of baffle.
9. such as the control method of the described in any item household monoblock type cold air Teat pump boilers of claim 1-8, including following step
Suddenly；
S1: user is with water target temperature Tm for setting, passes through the temperature Tc that temperature detecting unit detects water tank lower part；
S2: the relationship of Tm-Tc and 0 is judged by the first judging unit；
S3: if Tm-Tc < 0, controller control switching device enters ventilation mode；
S4: if Tm-Tc > 0, controller control switching device enters heating mode；Decision content is set as Δ T, is sentenced by second
The relationship of disconnected unit judges Tm-Tc and Δ T；
S5: if when Tm-Tc > Δ T, the compressor, evaporator are worked with 100% power, by the flow control of nozzle
It is up to Vmax；
S6: if when Tm-Tc < Δ T, calculating the ratio a of Tm-Tc/ Δ T, the compressor, evaporator are with the power mould of a × 100%
Formula carries out, and is Vc=Vmax × a by the flow control of nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165573.2A CN109990464B (en) | 2019-03-05 | 2019-03-05 | Domestic integral air conditioning heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165573.2A CN109990464B (en) | 2019-03-05 | 2019-03-05 | Domestic integral air conditioning heat pump water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990464A true CN109990464A (en) | 2019-07-09 |
| CN109990464B CN109990464B (en) | 2020-01-14 |
Family
ID=67130110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165573.2A Active CN109990464B (en) | 2019-03-05 | 2019-03-05 | Domestic integral air conditioning heat pump water heater |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547955U (en) * | 2009-11-07 | 2010-08-11 | 广东美的电器股份有限公司 | Air-source refrigerant cycling heat pump water heater |
| CN203132144U (en) * | 2013-03-05 | 2013-08-14 | 广东美的电器股份有限公司 | Water heater |
| KR101348846B1 (en) * | 2012-07-17 | 2014-01-07 | 신남섭 | Heat pump boiler |
| CN104266354A (en) * | 2014-10-16 | 2015-01-07 | 广东美的暖通设备有限公司 | Heat pump water heater |
| CN104534650A (en) * | 2014-12-12 | 2015-04-22 | 广东芬尼电器有限公司 | Household integral air energy water heater |
| CN207729833U (en) * | 2017-12-11 | 2018-08-14 | 广东芬尼科技股份有限公司 | A kind of circulating heat pump water heater |
-
2019
- 2019-03-05 CN CN201910165573.2A patent/CN109990464B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547955U (en) * | 2009-11-07 | 2010-08-11 | 广东美的电器股份有限公司 | Air-source refrigerant cycling heat pump water heater |
| KR101348846B1 (en) * | 2012-07-17 | 2014-01-07 | 신남섭 | Heat pump boiler |
| CN203132144U (en) * | 2013-03-05 | 2013-08-14 | 广东美的电器股份有限公司 | Water heater |
| CN104266354A (en) * | 2014-10-16 | 2015-01-07 | 广东美的暖通设备有限公司 | Heat pump water heater |
| CN104534650A (en) * | 2014-12-12 | 2015-04-22 | 广东芬尼电器有限公司 | Household integral air energy water heater |
| CN207729833U (en) * | 2017-12-11 | 2018-08-14 | 广东芬尼科技股份有限公司 | A kind of circulating heat pump water heater |
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| Publication number | Publication date |
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| CN109990464B (en) | 2020-01-14 |
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