CN216307942U - Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system - Google Patents
Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system Download PDFInfo
- Publication number
- CN216307942U CN216307942U CN202120625991.8U CN202120625991U CN216307942U CN 216307942 U CN216307942 U CN 216307942U CN 202120625991 U CN202120625991 U CN 202120625991U CN 216307942 U CN216307942 U CN 216307942U
- Authority
- CN
- China
- Prior art keywords
- water
- temperature
- heat pump
- pump heating
- heating system
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 237
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 description 41
- 239000011737 fluorine Substances 0.000 description 41
- 239000003507 refrigerant Substances 0.000 description 37
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 20
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to the technical field of air conditioners, in particular to an electromagnetic valve component device for improving the heat efficiency of a heat pump heating system; the heat pump heating system comprises a control unit, a temperature sensing unit A for detecting the temperature of tail end inlet water, a temperature sensing unit C for detecting the temperature of tail end outlet water, an electromagnetic valve assembly for enabling water to be split, a switch unit B and a three-way pipe, wherein the switch unit B and the three-way pipe form the electromagnetic valve assembly, the heat pump heating system comprises the control unit, a sensing unit for detecting the temperature of tail end inlet water of a using side, a sensing unit for detecting the temperature of tail end outlet water of the using side, the electromagnetic valve assembly, 1 switch unit forming the electromagnetic valve assembly, 1 three-way pipe and 2 copper connecting pipes, and the problems that the large flow small temperature difference required by a heat pump heating host machine and the small flow large temperature difference required by the tail end of the heat pump heating system cannot be simultaneously considered in the heat pump heating system are solved through the heat pump heating system, and the heat efficiency of the whole heat pump heating system is improved.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an electromagnetic valve assembly device for improving the heat efficiency of a heat pump heating system.
Background
As is well known, in the process of heating by a heat pump heating unit, the circulating water entering the heat pump heating unit can only exert the optimal thermal efficiency of the unit if the circulating water meets the requirement of 'large flow and small temperature difference', and the hot water coming out of the unit can only exert the optimal thermal efficiency of the tail end if the circulating water meets the requirement of 'small flow and large temperature difference'; in daily application, because the same water system is adopted, the water flow entering the unit and the water flow at the tail end are the same, and the large-flow small temperature difference required by the unit and the small-flow large temperature difference required by the tail end cannot be considered at the same time, so that the optimal heat efficiency of the unit and the tail end cannot be exerted at the same time, and the heat efficiency of the whole heat pump heating system is influenced.
In order to solve the problem, on the premise of preferentially ensuring the large flow and small temperature difference required by the unit, the heat exchange area of the tail end is increased so as to improve the heat efficiency of the tail end, but the scheme has the following defects: when the heat exchange area of the tail end is increased, the manufacturing cost is increased, and the occupied area of the tail end is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and provides an electromagnetic valve component device for improving the thermal efficiency of a heat pump heating system aiming at the technical defects, the electromagnetic valve component device comprises a control unit, a sensing unit for detecting the temperature of inlet water at the tail end of a using side, a sensing unit for detecting the temperature of outlet water at the tail end of the using side, an electromagnetic valve component, 1 switch unit, 1 three-way pipe, a first copper connecting pipe and a second copper connecting pipe, and the problems that the large flow and small temperature difference required by a heat pump heating host machine and the small flow and large temperature difference required by the tail end of the heat pump heating system cannot be simultaneously considered in the heat pump heating system are solved through the electromagnetic valve component device, so that the thermal efficiency of the whole heat pump heating system is improved.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the water temperature control device comprises a control unit, a first temperature sensing unit A for detecting the temperature of tail end inlet water, a second temperature sensing unit C for detecting the temperature of tail end outlet water, an electromagnetic valve assembly for enabling water to be split, a switch unit B for forming the electromagnetic valve assembly, and a three-way pipe.
Further optimizing the technical scheme, the control unit is a controller for controlling the switch unit to be switched on and off and receiving feedback signals of all the sensing units and sending control commands.
Further optimize this technical scheme, switch unit B is the break-make solenoid valve.
Further optimize this technical scheme, first temperature sensing unit A is the terminal temperature sensor of intaking of use side.
Further optimizing the technical scheme, the second temperature sensing unit C is a water outlet temperature sensor at the tail end of the using side.
Further optimize this technical scheme, the solenoid valve subassembly comprises 1 on-off solenoid valve, 1 three-way pipe, 1 first copper connecting pipe and 1 second copper connecting pipe.
The working principle of the utility model is as follows:
during heating operation, after refrigerant gas is compressed by a heat pump heating outdoor unit and then is changed into high-temperature high-pressure refrigerant gas to enter a water-fluorine heat exchanger of a heat pump heating indoor unit, the high-temperature high-pressure refrigerant gas transfers heat to water, the refrigerant is changed into normal-temperature refrigerant liquid to return to the heat pump heating outdoor unit for throttling, evaporation and compression, the high-temperature high-pressure refrigerant gas is changed into high-temperature high-pressure refrigerant gas to enter the water-fluorine heat exchanger of the heat pump heating indoor unit, the high-temperature high-pressure refrigerant gas transfers heat to the water, and the refrigerant is circulated to continuously heat water; the water after heating in the water fluorine heat exchanger gets into the water tank, this moment: if the temperature difference between the water entering and exiting from the tail end reaches a set value, the electromagnetic valve assembly is closed, the heated water enters the tail end of the use side from the water tank to supply heat to a room at the use side, then enters the circulating water pump of the indoor unit to be pressurized, enters the water-fluorine heat exchanger to absorb the heat of the high-temperature refrigerant, then the water temperature rises again, then continues to enter the tail end of the use side to supply the heat to the room at the use side, and the heat is continuously supplied to the room at the use side by continuously circulating between the water tank → the tail end of the use side → the water-fluorine heat exchanger → the water tank; if the temperature difference between the water entering and exiting from the tail end of the using side does not reach a set value, the electromagnetic valve component is opened, the water in the water tank is divided into two parts to circulate, one part of the water circulates between the water tank → the water fluorine heat exchanger → the water tank, the other part of the water circulates between the water tank → the tail end of the using side → the water fluorine heat exchanger → the water tank, the water circulated to the tail end of the using side is divided after the electromagnetic valve component is opened, the flow rate of the water circulated to the tail end of the using side is reduced compared with the water circulated to the tail end of the using side before the electromagnetic valve component is opened, the divided other part of the water circulates between the water tank → the water fluorine heat exchanger → the water tank, the water continuously absorbs heat but does not dissipate heat, the water temperature is continuously increased, the water temperature in the water tank is integrally increased after the water enters the water tank and is also increased, and the aim of small flow and large temperature difference of the water entering the tail end is achieved, the thermal efficiency of the end of the use side is improved; because no matter the electromagnetic valve component is opened or closed, water coming out of the water tank is converged in the circulating water pump and then enters the water-fluorine heat exchanger for heat exchange in the circulating process, so that the water flow entering the water-fluorine heat exchanger is ensured to be constant all the time, and the heat efficiency of the main machine is ensured to be constant. Therefore, for the whole heat pump heating system, the heat efficiency of the main machine is not changed and the heat efficiency of the end of the using side is improved by the device, so that the heat efficiency of the whole heat pump heating system is improved
Compared with the prior art, the utility model has the following advantages: 1. the heat efficiency of the whole heat pump heating system is improved by improving the heat efficiency of the tail end of the using side; 2. the heat exchange area of the tail end is reduced, so that the occupied area and the investment cost are reduced.
Drawings
Fig. 1 is a schematic view of an electromagnetic valve assembly apparatus for improving thermal efficiency of a heat pump heating system.
In the figure: 1. a heat pump heating outdoor unit; 2. a heat pump heating indoor unit; 3. a use side terminus; 4. a control unit; 5. a water tank inlet; 6. a water tank heating unit; 7. a refrigerant outlet of the water-fluorine heat exchanger; 8. a refrigerant inlet of the water-fluorine heat exchanger; 9. a water outlet of the water-fluorine heat exchanger; 10. a water tank; 11. a water outlet 2 of the water tank; 12. a water fluorine heat exchanger; 13. a water inlet of the water-fluorine heat exchanger; 14. a water outlet of the water pump; 15. a water circulating pump; 16. an indoor unit refrigerant inlet; 17. an indoor unit refrigerant outlet; 18. a water return port of the indoor unit; 19. a water outlet of the indoor unit; 20. a liquid pipe stop valve of the outdoor unit; 21. an outdoor unit air pipe stop valve; 22. a terminal water inlet; 23. a tail end water outlet; 24, a water outlet of the water tank; 25. a solenoid valve assembly; 26. a three-way pipe; 27. a first copper connection pipe; 28. a second copper connection pipe; A. the tail end backwater temperature of the first temperature sensing unit; B. a switching unit solenoid valve; C. the water outlet temperature of the tail end of the second temperature sensing unit; D. the temperature of the water tank of the temperature sensing unit; E. the temperature sensing unit is used for sensing the outdoor ambient temperature.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model relates to a device for improving the heat efficiency of a heat pump heating system, which comprises a control unit 4, a first temperature sensing unit A for detecting the temperature of inlet water at the tail end, a second temperature sensing unit C for detecting the temperature of outlet water at the tail end, an electromagnetic valve component 25 for shunting water, a switch unit B and a three-way pipe 26, wherein the switch unit B and the three-way pipe 26 form the electromagnetic valve component 25, the first temperature sensing unit, the second temperature sensing unit and the switch unit are respectively and electrically connected with the control unit, and a power supply L and an power supply N are respectively used for connecting the switch unit B, the first temperature sensing unit A and the second temperature sensing unit C, and a first copper connecting pipe 27 and a second copper connecting pipe 28 of the three-way pipe 26 so as to form a relatively complete system. In addition, other components of the unit are indicated by arrows and numerals in the drawing, and the names of the components represented by each numeral are added with letters below the system diagram.
1. A refrigerant circulation flow path: during heating operation, refrigerant gas of the heat pump heating outdoor unit 1 is compressed to become high-temperature high-pressure refrigerant gas, the high-temperature high-pressure refrigerant gas is discharged from the air pipe stop valve 21, the high-temperature high-pressure refrigerant gas reaches the water fluorine heat exchanger 12 of the heat pump heating indoor unit 2 through the indoor unit refrigerant inlet 16, heat is transferred to water by the high-temperature high-pressure refrigerant gas, the refrigerant after heat transfer becomes normal-temperature refrigerant liquid, the refrigerant returns to the heat pump heating outdoor unit 1 from the outdoor unit liquid pipe stop valve 20 through the water fluorine heat exchanger refrigerant outlet 7 to be throttled to become low-temperature refrigerant liquid, the refrigerant gas after evaporation is changed to refrigerant gas, the refrigerant gas is compressed to become high-temperature high-pressure refrigerant gas, the high-temperature high-pressure refrigerant gas is discharged from the air pipe stop valve 21 after reaching the water fluorine heat exchanger 12 of the heat pump heating indoor unit 2 through the indoor unit refrigerant inlet 16, and the heat is transferred to the water … ….
2. A water circulation flow: when the air conditioner is operated in a heating mode, the circulating water pump 15 starts to operate, the water channel starts to have water pressure, water in the tail end 3 of the use side enters the indoor unit water return port 18 through the tail end water outlet 23 of the use side, enters the water-fluorine heat exchanger 12 from the water pump water outlet 14 through the water-fluorine heat exchanger water inlet 13 after passing through the circulating water pump 15, the water temperature rises after cold water in the water-fluorine heat exchanger 12 absorbs heat of high-temperature refrigerant, the water after temperature rising enters the water tank 10 from the water-fluorine heat exchanger water outlet 9 through the water tank water inlet 5, and then flows out from the water tank water outlet 24, at the moment: if the temperature difference between the water in and out of the tail end reaches a set value, the control unit closes the switch unit B, the water which flows out of the water tank 10 enters the tail end water inlet 22 of the use side through the water outlet 19 of the inner machine and then enters the tail end 3 of the use side, the water in the tail end transfers the heat to the room to be used through the tail end, the water with the reduced temperature falls, the water with the reduced temperature enters the water return port 18 of the inner machine from the tail end water outlet 23 of the use side, is pressurized by the circulating water pump 15 and then enters the water fluorine heat exchanger 12 from the water outlet 14 of the water pump through the water inlet 13 of the water fluorine heat exchanger, the water temperature rises after the water in the water fluorine heat exchanger 12 absorbs the heat of the high-temperature refrigerant, the water with the increased temperature enters the water tank 10 from the water outlet 9 of the water fluorine heat exchanger through the water inlet 5 of the water tank, then flows out of the water outlet 24 of the water tank and enters the tail end 3 of the use side through the tail end water inlet 22 of the use side, the water in the tail end transfers the heat to the room to be used, the water in the tail end 3 of the use side after heat transfer enters the indoor unit water return port 18 through the tail end water outlet 23 of the use side, is pressurized through the circulating water pump 15 from the indoor unit water return port 18 and then enters the water fluorine heat exchanger 12 from the water pump water outlet 14 through the water inlet 13 of the water fluorine heat exchanger, the water temperature rises after the water in the water fluorine heat exchanger 12 absorbs the heat of the high-temperature refrigerant, the water with the raised temperature enters the water tank 10 from the water outlet 9 of the water fluorine heat exchanger through the water tank water inlet 5, then flows out from the water tank water outlet 24 and enters the tail end 3 of the use side through the tail end water inlet 22 of the use side, and the heat is transferred to a use room through the tail end, so that the cycle is carried out; if no difference between the water temperature in the tail end and the water temperature in the tail end reaches a set value, the control unit starts the switch unit B, water in the water tank 10 is divided into two parts to circulate, one part of water flows out of the water tank water outlet 211, is pressurized by the circulating water pump 15 from the switch unit B, then flows into the water-fluorine heat exchanger 12 from the water pump water outlet 14 through the water inlet 13 of the water-fluorine heat exchanger, the water temperature rises after the water in the water-fluorine heat exchanger 12 absorbs the heat of the high-temperature refrigerant, and the water with the increased temperature flows into the water tank 10 from the water outlet 9 of the water-fluorine heat exchanger through the water tank water inlet 5, so that the water is circulated in the water tank and the water-fluorine heat exchanger all the time in the circulation process and does not radiate heat to the tail end, and is changed into high-temperature water quickly; the other part of water enters the using side tail end water inlet 22 through the inner machine water outlet 19 after coming out from the water tank water outlet 24 and enters the using side tail end 3, the water in the tail end 3 transfers heat to a using room through the tail end 3, the temperature of the using room rises, the water with the temperature reduced enters the indoor machine water return port 18 through the using side tail end water outlet 23, the water enters the water fluorine heat exchanger 12 through the water fluorine heat exchanger water inlet 13 from the water pump water outlet 14 after being pressurized by the circulating water pump 15, the water temperature rises after the water in the water fluorine heat exchanger 12 absorbs the heat of the high-temperature refrigerant, the water with the temperature raised enters the water tank 10 from the water fluorine heat exchanger water outlet 9 through the water tank water inlet 5, the circulating water coming out of the water tank water outlet 24 is mixed with the high-temperature circulating water coming out of the water tank water outlet 211 and the water remained in the water tank, and the water temperature of the water tank 10 rises after being mixed, the water with the increased temperature is divided into two parts for circulation again, one part of water circulates after coming out from the water outlet 211 of the water tank, the other part of water circulates after coming out from the water outlet 24 of the water tank, and the flow rate of the mixed water which circulates to the tail end 3 is smaller and the temperature is higher than that of the mixed water which circulates to the tail end 3 before the switch B is closed, so that the purposes of small flow rate and large temperature difference of the water entering the tail end are achieved, and the heat efficiency of the tail end of the use side is improved. Because the switch unit B is opened and closed, water coming out from the water tank outlet 24 and the water tank outlet 211 of the water tank 10 is converged in the circulating water pump 15 and then enters the water-fluorine heat exchanger 12 for heat exchange in the circulating process, and the water flow entering the water-fluorine heat exchanger 12 can be ensured to be unchanged, so that the heat efficiency of the main machine is ensured to be unchanged. Therefore, for the whole heat pump heating system, the heat efficiency of the main machine is not changed and the heat efficiency of the end of the using side is improved by the control method, so that the heat efficiency of the whole heat pump heating system is improved.
3. The control flow comprises the following steps: the first temperature sensing unit A is connected to the control unit 4 through a sensor connecting line, the switch unit B is connected to the control unit 4 through a solenoid valve connecting line, the second temperature sensing unit C is connected to the control unit 4 through a sensor connecting line, and the control unit 4 is connected to an outdoor unit to a power supply, so that a control circuit is formed.
The control unit 4 is a controller for controlling the on and off of the switch unit B and receiving feedback signals of all the sensing units and sending control commands.
The switch unit B is an on-off electromagnetic valve.
The first temperature sensing unit A is a tail end water inlet temperature sensor.
The second temperature sensing unit C is a tail end water outlet temperature sensor.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. A solenoid valve assembly device for improving the thermal efficiency of a heat pump heating system is characterized in that: including the control unit (4), be used for detecting terminal temperature sensing unit (A) of intaking water temperature, be used for detecting terminal leaving water temperature's second temperature sensing unit (C), solenoid valve subassembly (25) for making the water reposition of redundant personnel, and switch element (B) that constitutes solenoid valve subassembly (25), three-way pipe (26), these first temperature sensing unit, second temperature sensing unit, switch element, be connected with the control unit electricity respectively, power L, N, be used for connecting switch element (B), first temperature sensing unit (A) and second temperature sensing unit (C), first copper connecting pipe (27) and second copper connecting pipe (28) of three-way pipe (26), in order to constitute a comparatively complete system.
2. The solenoid valve assembly device for improving the thermal efficiency of a heat pump heating system according to claim 1, wherein: and the control unit (4) is a controller for controlling the switch unit to be switched on and off, receiving feedback signals of all the sensing units and sending control commands.
3. The solenoid valve assembly device for improving the thermal efficiency of a heat pump heating system according to claim 1, wherein: the switch unit (B) is an on-off electromagnetic valve.
4. The solenoid valve assembly device for improving the thermal efficiency of a heat pump heating system according to claim 1, wherein: the first temperature sensing unit (A) is a water inlet temperature sensor at the tail end of the using side.
5. The solenoid valve assembly device for improving the thermal efficiency of a heat pump heating system according to claim 1, wherein: the second temperature sensing unit (C) is a water outlet temperature sensor at the tail end of the using side.
6. The solenoid valve assembly device for improving the thermal efficiency of a heat pump heating system according to claim 1, wherein: the electromagnetic valve assembly (25) is composed of 1 on-off electromagnetic valve, 1 three-way pipe (26), 1 first copper connecting pipe (27) and 1 second copper connecting pipe (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120625991.8U CN216307942U (en) | 2021-03-29 | 2021-03-29 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120625991.8U CN216307942U (en) | 2021-03-29 | 2021-03-29 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216307942U true CN216307942U (en) | 2022-04-15 |
Family
ID=81080371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120625991.8U Active CN216307942U (en) | 2021-03-29 | 2021-03-29 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216307942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856547A (en) * | 2021-03-29 | 2021-05-28 | 河北博志热能设备有限公司 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof |
-
2021
- 2021-03-29 CN CN202120625991.8U patent/CN216307942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856547A (en) * | 2021-03-29 | 2021-05-28 | 河北博志热能设备有限公司 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof |
| CN112856547B (en) * | 2021-03-29 | 2024-09-06 | 河北博志热能设备有限公司 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210089035U (en) | Solar energy and air energy coupling hot water, heating and refrigerating system | |
| CN101749812A (en) | Multifunctional Air Conditioning System | |
| CN201885389U (en) | Heat pump water heater with simultaneous two-stage condensing gas supply | |
| CN102022826A (en) | Two-stage synchronous condensation air supply heat pump water heater | |
| CN216307942U (en) | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system | |
| CN100439847C (en) | Plate-type heat exchanger antifreeze apparatus and control method thereof | |
| CN107676858B (en) | Heating system | |
| CN116697639B (en) | Solar energy-air source heat pump coupling hot water, heating, refrigerating and energy storage system and control method thereof | |
| CN210165484U (en) | Temperature-adjusting type swimming pool dehumidifier device through adjusting flow direction of refrigerant | |
| CN205090501U (en) | Air conditioning unit system | |
| CN208832733U (en) | A kind of Double-working-condition air energy high temperature thermal pump water heater device | |
| CN204254925U (en) | Heat exchange system and air conditioner with same | |
| CN216307941U (en) | Heating assembly device for improving heating effect of side room for heating of heat pump | |
| CN205980438U (en) | Take cold and hot recovery heat pump of equalizer | |
| CN113357691A (en) | Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit | |
| CN207050131U (en) | A kind of air-conditioning | |
| CN201697392U (en) | Air conditioning and water heating dual-purpose machine | |
| CN201297769Y (en) | Internal circulation instant heating type heat pump water heater | |
| CN110553316A (en) | Energy-saving isothermal dehumidification heat pump system | |
| CN212157747U (en) | Hydraulic module system | |
| CN214746193U (en) | Solar power device for building air conditioner | |
| CN109838855A (en) | Air source heat pump hot-water air-conditioning unit | |
| CN220206078U (en) | Full-combined-supply five-constant-system hot water tank and waterway control device | |
| CN203501360U (en) | Heat pump hot water-air conditioner system | |
| CN215489945U (en) | Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electromagnetic valve component device for improving the thermal efficiency of heat pump heating systems Granted publication date: 20220415 Pledgee: Bank of China Limited Xingtai Branch Pledgor: HEBEI BO ZHI HEAT ENERGY EQUIPMENT CO.,LTD. Registration number: Y2024980003080 |