CN211854450U - Air source and water source heat pump boiling water system - Google Patents
Air source and water source heat pump boiling water system Download PDFInfo
- Publication number
- CN211854450U CN211854450U CN202020020509.3U CN202020020509U CN211854450U CN 211854450 U CN211854450 U CN 211854450U CN 202020020509 U CN202020020509 U CN 202020020509U CN 211854450 U CN211854450 U CN 211854450U
- Authority
- CN
- China
- Prior art keywords
- water
- water tank
- heat pump
- source heat
- tank
- Prior art date
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 433
- 238000009835 boiling Methods 0.000 title claims abstract description 114
- 238000001704 evaporation Methods 0.000 claims abstract description 8
- 239000008213 purified water Substances 0.000 claims description 25
- 235000020679 tap water Nutrition 0.000 claims description 9
- 239000008399 tap water Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 230000001502 supplementation Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 235000020188 drinking water Nutrition 0.000 description 7
- 239000003651 drinking water Substances 0.000 description 7
- 238000005485 electric heating Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 230000035622 drinking Effects 0.000 description 4
- 235000021271 drinking Nutrition 0.000 description 4
- 230000004634 feeding behavior Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003020 moisturizing Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses an air source and water source heat pump boiling water system, which comprises an air source heat pump, a buffer water tank, a water source heat pump and a layered water tank; the outlet of the condenser of the air source heat pump is connected with the buffer water tank through a first water pump; the buffer water tank is connected with an evaporation side water inlet of the water source heat pump; an evaporation side water outlet of the water source heat pump is connected with an inlet of a condenser of the air source heat pump; the water source heat pump heats a high-temperature area of the layered water tank by extracting heat in the buffer water tank; high-temperature water of the layered water tank enters a boiling area of the layered water tank; the boiled water area is connected with a warm boiled water heat exchanger through a bypass pipeline and enters a warm boiled water tank, and the other side of the bypass pipeline is connected with a boiled water supply port; the utility model discloses effectively improve system performance, strengthen the heating capacity.
Description
Technical Field
The utility model relates to a heat pump set heat energy comprehensive utilization field, concretely relates to air source and water source heat pump boiling water system that air source heat pump and water source heat pump combine to utilize.
Background
At present, the types of heat pump water heaters on the market are more and more, and the systems for preparing boiled water mainly comprise four types: electrical heating, solar type, water and air source. The electric heating is the most extensive application mode at present, and has the characteristics of simple and convenient installation and simple use, but the electric heating consumes excessive electric energy, and can cause huge operating cost in a large-scale system; the solar energy type is that solar energy utilizes a heat collecting device to collect sunlight irradiation heat, and the type needs to use solar energy, but is not practical under the condition of overcast and rainy, and has lower solar energy utilization efficiency, more complicated installation and higher cost; the water source heat pump is to use a water source with a certain temperature as a heat source, absorb heat in the water source and then prepare high-temperature water through a compressor, so the water source heat pump has to rely on the water source with a certain temperature and flow; the air source heat pump obtains heat from air to heat water, the air source heat pump is greatly influenced by ambient temperature, the lower the ambient temperature is, the lower the heating efficiency of the air source heat pump is, high-temperature water cannot be prepared in a low-temperature environment, when the outdoor temperature is lower than 0 ℃, the single air source heat pump can generate the problems of increased compression ratio, reduced heating capacity and the like, even the operation of the whole heat pump unit can be influenced, and the air source heat pump can bring extremely poor experience for users under the low-temperature working condition.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the single air source heat pump that exists among the prior art and in cold areas or prepare the heating that high temperature hot water operating mode appears not enough, the energy efficiency ratio is low, and the unit performance receives the phenomenon that environmental impact is big.
The utility model provides an effectively improve system performance, strengthen heat supply capacity's air source and water source heat pump boiling water system.
The utility model provides a technical scheme that its technical problem adopted is:
an air source and water source heat pump boiling water system comprises an air source heat pump, a buffer water tank, a water source heat pump and a layered water tank which are sequentially connected through a pipeline; the air source heat pump is connected with the buffer water tank through a first water pump; the buffer water tank is connected with an evaporation side water inlet of the water source heat pump; the water outlet of the evaporation side of the water source heat pump is connected with the water inlet of the air source heat pump; forming a first circulation line;
a condensation side water outlet of the water source heat pump is connected into a sleeve in a layered water tank through a pipeline, and the layered water tank is connected with a condensation side water inlet of the water source heat pump through a second water pump; forming a second circulation line.
A sleeve in the layered water tank is provided with a through hole;
the layered water tank is divided into an upper part and a lower part by a partition plate, and the partition plate is provided with a circulation hole; the upper part of the clapboard is a boiled water area, and the lower part of the clapboard is a high-temperature area; and the water in the boiling water area enters the warm boiled water tank after heat exchange through the warm boiled water heat exchanger.
The water purifier is characterized by further comprising a purified water tank, wherein the purified water tank is connected with the water purifier through a pipeline, and the water purifier is connected with a tap water pipe;
the purified water tank is connected with an outlet at one side of the warm and boiled water heat exchanger through a third water pump, an inlet at one side of the warm and boiled water heat exchanger is connected into the sleeve of the layered water tank, and a pressure controller is installed on a pipeline connecting the third water pump and the layered water tank.
A bypass pipeline is connected to a pipeline connecting the purified water tank and the layered water tank, the bypass pipeline is connected to the buffer water tank, and a water replenishing valve is mounted on the bypass pipeline; the tap water pipe is used for supplementing water to the buffer water tank through the bypass pipeline, and the purified water tank is used for supplementing water to the layered water tank through the third water pump and the warm boiled water heat exchanger.
Electric heaters are arranged in the boiling water area of the layered water tank and the warm boiled water tank; the boiling water area of the layered water tank is provided with a boiling water supply port, and the warm boiling water tank is provided with a warm boiling water supply port.
And the buffer water tank, the layered water tank and/or the warm boiled water tank are/is externally provided with a heat-insulating layer.
And temperature probes are arranged in the buffer water tank, the layered water tank and/or the warm boiled water tank.
The buffer water tank, the layered water tank, the warm boiled water tank and/or the purified water tank are pressure-bearing water tanks.
The outside of the pipeline is provided with a temperature probe, a heat insulation layer and a heat tracing band; the heat tracing band is arranged between the outer wall of the pipeline and the heat insulation layer.
The water inlet pipelines of the first water pump, the second water pump and the third water pump are connected with a filter and an expansion tank; and the water inlet pipelines of the first water pump and the second water pump are connected with safety valves.
The warm boiled water heat exchanger is a plate heat exchanger.
The utility model discloses air source and water source heat pump boiling water system suit uses the district drinking water, and the job site drinking water, school's drinking water, hospital's drinking water, dining room drinking water, army's drinking water. Through the utility model discloses an implement and can realize utilizing air source and water source heat pump set preparation to drink boiling water, have convenient, swift, safety, clean characteristics solve the restriction that utilizes heat pump set preparation boiling water at present, utilize air source heat pump and water source heat pump's reasonable combination, compensate the not enough of simple use air source heat pump to full play water source heat pump's high efficiency effectively improves the system performance, strengthens the heating capacity.
Drawings
Fig. 1 is a schematic structural diagram of an air source and water source heat pump water boiling system provided by an embodiment of the present invention.
In the figure: the system comprises an air source heat pump 1, a buffer water tank 2, a water source heat pump 3, a layered water tank 4, a safety valve 5, a first water pump 6, a second water pump 7, a third water pump 8, a warm boiled water heat exchanger 9, a warm boiled water tank 10, a purified water tank 11, a water purifier 12, a tap water pipe 13, an automatic water replenishing valve 14, a pressure controller 15, a filter 16, an expansion tank 17, a sleeve 18, a partition plate 19, a boiled water area 20, a high temperature area 21, a boiled water supply opening 22 and a warm boiled water supply opening 23.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, which are not intended as limitations of the present invention.
Referring to fig. 1, an air source and water source heat pump boiling water system comprises an air source heat pump 1, a buffer water tank 2, a water source heat pump 3 and a layered water tank 4 which are connected in sequence through pipelines; the air source heat pump 1 is connected with the buffer water tank 2 through a first water pump 6; the buffer water tank 2 is connected with an evaporation side water inlet of the water source heat pump 3; an evaporation side water outlet of the water source heat pump 3 is connected with a water inlet of the air source heat pump 1; forming a first circulation line.
A water outlet at the condensation side of the water source heat pump 3 is connected into a sleeve 18 in the layered water tank 4 through a pipeline, so that water impact is prevented from disturbing water temperature layering; the layered water tank 4 is connected with a condensation side water inlet of the water source heat pump 3 through a second water pump 7; forming a second circulation line.
The sleeve 18 in the layered water tank 4 is provided with a through hole.
The layered water tank 4 is divided into an upper part and a lower part by a partition plate 19, and the partition plate 19 is provided with a circulation hole for water to pass through conveniently; the upper part of the clapboard 19 is a boiled water area 20, and the lower part of the clapboard 19 is a high temperature area 21; the water in the boiling water area 20 enters the warm boiled water tank 10 after heat exchange by the warm boiled water heat exchanger 9.
The utility model discloses utilize air source and water source heat pump set preparation to drink boiling water. The operating conditions of the air source heat pump and the water source heat pump are reasonably distributed, and the defects that the single air source heat pump has overlarge compression ratio, cannot prepare high-temperature water and has low energy efficiency ratio are overcome while high-temperature hot water is prepared.
Further, the water purifier also comprises a purified water tank 11, wherein the purified water tank 11 is connected with a water purifier 12 through a pipeline, and the water purifier 12 is connected with a tap water pipe 13;
furthermore, the purified water tank 11 is connected with an outlet at one side of the warm water heat exchanger 9 through a third water pump 8, an inlet at one side of the warm water heat exchanger 9 is connected into a sleeve 18 of the layered water tank 4, and a pressure controller 15 is installed on a pipeline connecting the third water pump 8 and the layered water tank 4.
The pure water tank and the water purifier are arranged to ensure the quality of drinking water.
Furthermore, a bypass pipeline is connected to a pipeline connecting the purified water tank 11 and the layered water tank 4, the bypass pipeline is connected to the buffer water tank 2, and an automatic water replenishing valve 14 is installed on the bypass pipeline; by opening the automatic water replenishing valve 14, the tap water pipe 13 is used for replenishing water to the buffer water tank 2 through the bypass pipeline, and the purified water tank 11 is used for replenishing water to the layered water tank 4 through the third water pump 8 and the warm boiled water heat exchanger 9.
Furthermore, electric heaters are arranged in the boiling water area 20 and the warm boiled water tank 10 of the layered water tank 4; a boiled water supply port 22 is arranged on the boiled water area 20 of the layered water tank 4, and a warm boiled water supply port 23 is arranged on the warm boiled water tank 10.
Preferably, the buffer water tank 2, the stratified water tank 4 and/or the warm boiled water tank 10 are/is provided with an insulating layer on the outside.
Preferably, temperature probes are arranged in the buffer water tank 2, the stratified water tank 4 and/or the warm boiled water tank 10.
Preferably, the buffer water tank 2, the stratified water tank 4, the warm boiled water tank 10 and/or the purified water tank 11 are pressure-bearing water tanks.
Preferably, the outside of the pipeline is provided with a temperature probe, an insulating layer and a heat tracing band; the heat tracing band is arranged between the outer wall of the pipeline and the heat insulation layer.
And (3) stopping the unit outside the time period, and starting the anti-freezing circulation and the anti-freezing tracing band according to the temperature monitored by the pipeline temperature probe to ensure that the pipeline is not frozen.
Preferably, the water inlet pipelines of the first water pump 6, the second water pump 7 and the third water pump 8 are connected with a filter and an expansion tank; the water inlet pipelines of the first water pump 6 and the second water pump 7 are connected with safety valves, and the buffer water tank 2, the layering water tank 4 and/or the warm boiled water tank 10 are/is provided with a safety valve 5.
The utility model discloses air source and water source heat pump set place the building periphery or equipment room. The utility model discloses an it is good to have the security, and is high-efficient, energy-conserving characteristics can satisfy the use in most area.
The utility model discloses a control system, through the reasonable operation of the collection control entire system of temperature, time and pressure etc. realizes opening of air source and water source heat pump and stops, realizes that each water pump rationally opens and stops, guarantees the normal of each temperature point, and the moisturizing drains, the reliable and stable of protection of preventing frostbite to can set up the water time quantum, the mode such as holidays saves, reduces the electric energy extravagant. The utility model discloses an utilize air-water source heat pump set's cooperation to realize preparing the system of drinking the boiling water, utilize air source heat pump's the function of heating, water source heat pump's high efficiency is got hot function, abundant efficient utilization energy.
The utility model discloses a control method as follows:
the start and stop of the air source heat pump 1 are controlled by the temperature Th of the buffer water tank 2, when the temperature Th is lower than the set temperature (for example, the temperature of the buffer water tank is set to 25 ℃, the starting temperature of the air source heat pump is 20 ℃, when the temperature of the buffer water tank is lower than 20 ℃, the air source heat pump is started to 25 ℃, and the air source heat pump stops running), the control system controls the air source heat pump 1 and the first water pump 6 to start to supply heat to the buffer water tank 2, and when the set temperature (for example, 25 ℃) is reached, the air source heat pump 1 and the first water pump 6 stop;
the start and stop of the water source heat pump 3 are controlled by the temperature Th of the buffer water tank 2 and the temperature Tg of the high-temperature zone 21 of the layered water tank 4, when a temperature probe detects that the temperature Tg of the high-temperature zone 21 of the layered water tank 4 is lower than a start set value (for example, 80 ℃) and the temperature Th of the buffer water tank 2 is higher than a lower limit value (for example, 10 ℃), the control system controls to start the water source heat pump 3, the first water pump 6 and the second water pump 7, extracts the heat of the buffer water tank 2 and supplies heat to the layered water tank 4, and when the temperature Tg of the high-temperature zone 21 of the layered water tank 4 reaches the set value (for example, 85 ℃) and the temperature Th of the buffer water tank 4 is lower than the lower limit value (for example, 10 ℃);
the electric heating device of the boiling water area 20 of the layered water tank 4 is controlled by the temperature Tk of the boiling water area 20 of the layered water tank 4, when the temperature Tk is lower than a set temperature (for example, 95 ℃), the control system controls to start the electric heater to supply heat to the boiling water area 20 of the layered water tank 4, and when the temperature Th reaches the set temperature (for example, 100 ℃), the control system controls to stop the electric heating device;
the electric heating device of the warm boiled water tank 10 is controlled by the temperature Tw of the warm boiled water tank 10, when the temperature Tw is lower than the set temperature (for example, 45 ℃), the control system controls to start the electric heater to supply heat to the warm boiled water tank 10, and when the temperature Th reaches the set temperature (for example, 50 ℃), the control system controls to stop the electric heating device;
the water replenishing of the layered water tank 4, the buffer water tank 2 and the warm boiled water tank 10 is controlled by pressure, when water is used outside the layered water tank 4, the buffer water tank 2 and/or the warm boiled water tank 10, the pressure controller 15 detects pressure drop, and the control system controls to start the third water pump 8 to replenish water to the layered water tank 4, the buffer water tank 2 and the warm boiled water tank 10;
the utility model also provides a control method of foretell air source and water source heat pump boiling water system, including following step:
setting a water using time period, wherein the time and the temperature set value of the time period are adjustable;
in the time period, when the boiled water drinking stage is met, the air source heat pump 1 supplies heat to the buffer water tank 2, and when the temperature of the buffer water tank 2 reaches the set temperature, the air source heat pump 1 stops working.
The water source heat pump 3 extracts heat in the buffer water tank 2 to heat the layered water tank 4, and the water source heat pump 3 stops working when the layered water tank 4 reaches a set temperature.
The utility model discloses preparation boiling water process: the tap water is purified by a water purifier 12, the purified water is stored in a purified water tank 11, the purified water in the purified water tank 11 is connected to a layered water tank 4 through a third water pump 8 and a warm water heat exchanger 9, the water in the layered water tank 4 enters a boiling water area 20 under the action of gravity, the water with lower temperature is left in a high-temperature area 21, the boiling water area 20 boils the water through an electric heating device, the boiling water area 20 is connected with a warm water tank 10 through a warm water heat exchanger by a bypass pipeline, the other port of the bypass pipeline is connected with a warm water supply port 22, and the warm water tank 10 is connected with a warm water supply port 23; when the temperature of the boiling water area 20 does not reach the temperature of drinking boiled water, the electric heater is used for heating to the temperature of the boiled water, and when the temperature of the warm boiled water tank 10 does not reach the temperature of drinking warm boiled water, the electric heater is used for heating to the temperature of the warm boiled water.
The utility model discloses preparation warm boiled water process: the water in the boiled water tank passes through the warm boiled water heat exchanger, and the water after heat exchange and temperature reduction is injected into the warm boiled water tank.
Tap water is put into the purified water tank through water purified by the water purifier so as to improve the security of the system, the obtained purified water is injected into the layered water tank and the warm boiled water tank, and when the water temperatures in the layered water tank and the warm boiled water tank reach the required temperature, the water is heated by the electric heater. The utility model discloses medium temperature boiling water heat exchanger is preferably plate heat exchanger.
Water in a boiling water area of the layered water tank exchanges heat with purified water through the warm boiled water heat exchanger, and finally prepared warm boiled water is injected into the warm boiled water tank.
The utility model discloses an implement and can realize utilizing air source and water source heat pump set preparation to drink the boiling water, solved the heat pump at the not enough problem of low temperature environment heat supply, improve the heat pump energy consumption ratio.
The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air source and water source heat pump boiling water system is characterized by comprising an air source heat pump, a buffer water tank, a water source heat pump and a layered water tank which are sequentially connected through a pipeline; the air source heat pump is connected with the buffer water tank through a first water pump; the buffer water tank is connected with an evaporation side water inlet of the water source heat pump; the water outlet of the evaporation side of the water source heat pump is connected with the water inlet of the air source heat pump; forming a first circulation line;
a condensation side water outlet of the water source heat pump is connected into a sleeve in a layered water tank through a pipeline, and the layered water tank is connected with a condensation side water inlet of the water source heat pump through a second water pump; forming a second circulation line;
a sleeve in the layered water tank is provided with a through hole;
the layered water tank is divided into an upper part and a lower part by a partition plate, and the partition plate is provided with a circulation hole; the upper part of the clapboard is a boiled water area, and the lower part of the clapboard is a high-temperature area; and the water in the boiling water area enters the warm boiled water tank after heat exchange through the warm boiled water heat exchanger.
2. The air source and water source heat pump water boiling system of claim 1, further comprising a purified water tank connected to a water purifier through a pipeline, the water purifier being connected to a tap water pipe;
the purified water tank is connected with an outlet at one side of the warm and boiled water heat exchanger through a third water pump, an inlet at one side of the warm and boiled water heat exchanger is connected into the sleeve of the layered water tank, and a pressure controller is installed on a pipeline connecting the third water pump and the layered water tank.
3. The air source and water source heat pump water boiling system of claim 2, wherein a bypass pipeline is connected to a pipeline connecting the purified water tank and the layered water tank, the bypass pipeline is connected to the buffer water tank, and a water replenishing valve is installed on the bypass pipeline; the tap water pipe is used for supplementing water to the buffer water tank through the bypass pipeline, and the purified water tank is used for supplementing water to the layered water tank through the third water pump and the warm boiled water heat exchanger.
4. The air source and water source heat pump water boiling system of claim 2 or 3, wherein an electric heater is arranged in the water boiling area of the layered water tank and the warm boiled water tank; the boiling water area of the layered water tank is provided with a boiling water supply port, and the warm boiling water tank is provided with a warm boiling water supply port.
5. The air source and water source heat pump water boiling system of claim 4, wherein the outside of the buffer water tank, the layered water tank and/or the warm boiled water tank is provided with an insulating layer.
6. The air-source and water-source heat pump water boiling system of claim 5, wherein a temperature probe is installed in the buffer water tank, the layered water tank and/or the warm water tank.
7. The air source and water source heat pump water boiling system of claim 6, wherein the buffer tank, the stratified tank, the warm boiled water tank and/or the purified water tank are pressure-bearing tanks.
8. The air source and water source heat pump water boiling system of claim 7, wherein the outside of the pipeline is provided with a temperature probe, an insulating layer and a heat tracing band; the heat tracing band is arranged between the outer wall of the pipeline and the heat insulation layer.
9. The air source and water source heat pump water boiling system of claim 8, wherein the water inlet pipes of the first water pump, the second water pump and the third water pump are connected with a filter and an expansion tank; and the water inlet pipelines of the first water pump and the second water pump are connected with safety valves.
10. The air and water source heat pump water boiling system of claim 9 wherein the warm water heat exchanger is a plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020020509.3U CN211854450U (en) | 2020-01-06 | 2020-01-06 | Air source and water source heat pump boiling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020020509.3U CN211854450U (en) | 2020-01-06 | 2020-01-06 | Air source and water source heat pump boiling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211854450U true CN211854450U (en) | 2020-11-03 |
Family
ID=73212843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020020509.3U Active CN211854450U (en) | 2020-01-06 | 2020-01-06 | Air source and water source heat pump boiling water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211854450U (en) |
-
2020
- 2020-01-06 CN CN202020020509.3U patent/CN211854450U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10260763B2 (en) | Method and apparatus for retrofitting an air conditioning system using all-weather solar heating | |
| CN205505178U (en) | Domestic heating system | |
| CN201582900U (en) | All-weather intelligent solar energy heat collection co-generation system | |
| CN107036155A (en) | A kind of double heat source heat pump solar association heating system and method | |
| CN106016825A (en) | Solar and air source heat pump dual heat source tri-generation system | |
| CN105258383A (en) | Reliable cold and heat source system fully using light and heat | |
| CN107036214A (en) | A kind of solar air-conditioner system | |
| CN202304087U (en) | Energy-saving multifunctional air-conditioning water heater all-in-one machine | |
| CN101922758A (en) | Heating system and heating method | |
| CN201382506Y (en) | Central air-conditioning system | |
| CN106839050B (en) | Energy supply system capable of realizing power grid scale peak shaving | |
| CN211854450U (en) | Air source and water source heat pump boiling water system | |
| CN206626814U (en) | Twin-stage heating boiling system | |
| CN108931076A (en) | Gas Comprehensive heating system | |
| CN204987464U (en) | Indoor confession warm pump water heater system | |
| CN201866847U (en) | Integrated hot water system of solar heat pump | |
| CN204757451U (en) | Solar energy auxiliary type heat pump set | |
| CN201514078U (en) | Solar energy air energy combination heating refrigerator | |
| CN211146669U (en) | Solar water tank heat storage-air source combined type heat pump system | |
| CN204830121U (en) | High -altitude area air source heat pump unites heating system with dull and stereotyped solar energy | |
| CN211823139U (en) | System for preparing boiled water by air source and water source heat pump coupling technology | |
| CN201081405Y (en) | Thermal cycling power-saving water heater | |
| CN203163145U (en) | Auxiliary solar comprehensive heating and air-conditioning system with air source heat pump | |
| CN107906576B (en) | A kind of medium temperature solar energy-air energy coupled system | |
| CN207019166U (en) | A kind of double heat source heat pump solar association heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |