CN219367983U - Heat pump hot water system - Google Patents
Heat pump hot water system Download PDFInfo
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- CN219367983U CN219367983U CN202320455437.9U CN202320455437U CN219367983U CN 219367983 U CN219367983 U CN 219367983U CN 202320455437 U CN202320455437 U CN 202320455437U CN 219367983 U CN219367983 U CN 219367983U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The application relates to the technical field of hot water systems and provides a heat pump hot water system, including two at least heating water tanks, heat storage water tank, hot water transfer pump and heating cycle subassembly, at least two heating water tank pass through the hot water transfer pipe respectively with the heat storage water tank is connected, the hot water transfer pump is located the hot water transfer pipe is close to the one end of heat storage water tank, at least two heating water tank respectively with heating cycle subassembly is connected. Based on the above, the volume of the heat storage water tank can be reduced, the equipment cost is reduced, and the energy-saving effect of the heat pump water heating system is improved.
Description
Technical Field
The present application relates to the field of hot water systems, and in particular, to a heat pump hot water system.
Background
The heat pump hot water system is a hot water supply system for heating domestic hot water by using air, underground water and surface water as low-temperature heat sources and water as heat transfer medium and adopting a vapor compression heat pump technology, and the heating modes comprise direct heating and circulating modes. Compared with a direct heating type water heating system, the circulating type heat pump water heating system has the advantages of simple principle, low production cost, low failure rate and the like, so that the circulating type heat pump water heating system is popular with people.
At present, the existing circulating heat pump hot water system comprises a heating water tank, a heat pump unit and a heating circulating pump, wherein the heating water tank, the heat pump unit and the heating circulating pump are sequentially connected into a loop through the heating circulating pipe. During operation, cold water is conveyed into the heating box, and the cold water in the heating water tank is circularly heated under the action of the heat pump unit and the heating circulating pump so as to reach the set temperature of water outlet.
However, after the hot water in the heating water tank is discharged, cold water can be supplemented into the heating water tank from the outside, and the cold water is mixed with the hot water in the heating water tank, so that the running water temperature of the heat pump hot water system is higher, the COP value of the heat pump unit is influenced, the energy-saving effect of the heat pump hot water system is poor, and therefore improvement is needed.
Disclosure of Invention
In order to improve the energy-saving effect of the heat pump water heating system, the application provides the heat pump water heating system.
The heat pump water heating system adopts the following technical scheme:
the heat pump hot water system comprises at least two heating water tanks, a heat storage water tank, a hot water transfer pump and a heating circulation assembly, wherein at least two heating water tanks are respectively connected with the heat storage water tank through hot water transfer pipes, the hot water transfer pump is arranged at one end, close to the heat storage water tank, of each hot water transfer pipe, and at least two heating water tanks are respectively connected with the heating circulation assembly.
By adopting the technical scheme, when the water heater works, cold water is conveyed into the heating water tank, and the heating circulation assembly circularly heats the cold water in the heating water tank so as to reach the set temperature of water outlet; and then, the hot water transfer pump works, so that the hot water in the heating water tank is stored in the heat storage water tank through the hot water transfer pipe. At the moment, cold water is supplemented into the heating water tank from the outside, so that the mixing of cold water and hot water is effectively reduced, the running water temperature of the heat pump water heating system is reduced, the COP value of the heat pump water heating system is improved, and the energy-saving effect of the heat pump water heating system is improved; and the outlet water temperature of the heat pump water heating system is constant.
Meanwhile, as the number of the heating water tanks is at least two, the at least two heating water tanks are used for alternately supplementing water, heating and transferring, continuous operation of the heat pump unit in the peak water use period is guaranteed, the heat storage volume of the heat storage water tanks is reduced, and therefore the load of the heat pump hot water system is reduced.
Preferably, the number of the heating water tanks is two.
Through adopting above-mentioned technical scheme, through setting up the quantity of heating water tank to two, after more effectively reducing the heat accumulation volume of heat storage water tank, can effectively reduce the heat loss in the heat storage water tank to improve heat pump hot water system's energy-conserving effect.
Preferably, the heating circulation assembly comprises a heat pump unit and a heating circulation pump, and each heating water tank is connected with the heat pump unit and the heating circulation pump through a heating circulation pipe to form a loop.
Through adopting above-mentioned technical scheme, when heating circulation subassembly carries out cyclic heating to heating water tank's cold water, the work of heating circulating pump for water in the heating water tank passes through heat pump set through the heating circulating pipe, and water flows back to the heating water tank after passing through heat pump set heating, and circulation heating is to the temperature of settlement in this way, simple structure, and the heating is stable.
Preferably, the system further comprises a temperature monitor, wherein the temperature monitor is arranged in the heat storage water tank, and the heat storage water tank, the heat pump unit and the heating circulating pump are connected into a loop through the heating circulating pipe.
Through adopting above-mentioned technical scheme, through setting up temperature monitor, when temperature sensor detects the temperature in the heat storage water tank and is less than the settlement temperature, heat pump set stops heating the water in the heating water tank, and the priority is mended hot to the water in the heat storage water tank to guarantee heat pump hot water system's play water temperature.
Preferably, the device further comprises a heat storage water level monitor, wherein the heat storage water level monitor is arranged in the heat storage water tank.
Through adopting above-mentioned technical scheme, through setting up heat accumulation water level monitor, heat accumulation water level monitor can detect and control the water level in the heat accumulation water tank, and heat accumulation water level monitor is connected with heat pump hot water system's controller electricity to realize the water level control of different periods, improved the flexibility of heat pump hot water system work, also avoided the problem that the heat loss is too big for a long time when the hot water is put, thereby promoted heat pump hot water system's energy-conserving effect.
Preferably, the device further comprises a water outlet pipe and a water outlet meter, wherein the water outlet pipe is arranged in the heat storage water tank, and the water outlet meter is arranged in the water outlet pipe.
Through adopting above-mentioned technical scheme, through setting up outlet pipe and play water gauge, play water gauge carries out the record to heat pump hot water system's water yield, and the user of being convenient for statistics.
Preferably, the device further comprises a water outlet pipe and a disinfection device, wherein the water outlet pipe is arranged on the heat storage water tank, and the disinfection device is arranged on the water outlet pipe.
By adopting the technical scheme, the water in the water outlet pipe is disinfected by the disinfection equipment through arranging the water outlet pipe and the disinfection equipment; and the disinfection equipment can reduce the outlet water temperature of the heat pump water heating system, thereby improving the COP value of the heat pump unit.
Preferably, the water replenishing pipe is connected with at least two heating water tanks respectively, and the heating water level monitor is arranged on the heating water tanks.
Through adopting above-mentioned technical scheme, through setting up moisturizing pipe and heating water level monitor, the controller electricity of heating water level monitor and heat pump hot water system is connected, and when heating water level monitor detected that heating water tank's water level is less than the setting value, the controller control moisturizing pipe carries out the moisturizing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the hot water transfer pump, hot water in the heating water tank is stored in the heat storage water tank through the hot water transfer pipe, and the mixing of cold water and hot water is effectively reduced in the process of supplementing cold water in the heating water tank by the outside, so that the running water temperature of the heat pump hot water system is reduced, the COP value of the heat pump hot water system is improved, and the energy saving effect of the heat pump hot water system is improved; moreover, the outlet water temperature of the heat pump water heating system is constant;
2, by arranging two heating water tanks, the two heating water tanks are used for alternately supplementing water, heating and transferring, so that continuous operation of the heat pump unit in the peak water use period is guaranteed, the heat storage volume of the heat storage water tank is reduced, and the load of the heat pump hot water system is reduced; meanwhile, after the heat storage volume of the heat storage water tank is reduced, the heat loss in the heat storage water tank can be effectively reduced, so that the energy-saving effect of the heat pump water heating system is improved;
3. through setting up heat accumulation water level monitor, heat accumulation water level monitor can detect and control the water level in the heat accumulation water tank, and heat accumulation water level monitor is connected with the controller electricity of heat pump hot water system to realize the water level control of different periods, improved the flexibility of heat pump hot water system work, also avoided the too big problem of heat loss of too long time of placing, thereby promoted heat pump hot water system's energy-conserving effect.
Drawings
Fig. 1 is a schematic diagram of a heat pump water heating system in an embodiment of the present application.
Reference numerals: 1. heating the water tank; 2. a thermal storage tank; 3. a hot water transfer pump; 4. a heating cycle assembly; 41. a heat pump unit; 42. a heating circulation pump; 5. a hot water transfer tube; 6. heating the circulation pipe; 7. a temperature sensor; 8. a first control valve; 9. a second control valve; 10. a temperature monitor; 11. a third control valve; 12. a heat storage water level monitor; 13. a water outlet pipe; 14. a water outlet meter; 15. a water supplementing pipe; 16. the water level monitor is heated.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
The embodiment of the application discloses a heat pump hot water system.
Referring to fig. 1, the heat pump hot water system includes at least two heating water tanks 1, a heat storage water tank 2, a hot water transfer pump 3, and a heating cycle assembly 4. A hot water transfer pipe 5 is arranged between the at least two heating water tanks 1 and the heat storage water tank 2, so that each heating water tank 1 is respectively connected with the heat storage water tank 2, and the hot water transfer pump 3 is arranged at one end of the hot water transfer pipe 5, which is close to the heat storage water tank 2, so as to transfer hot water in the at least two heating water tanks 1 into the heat storage water tank 2. At least two heating water tanks 1 are respectively connected with a heating circulation assembly 4 for circularly heating water in the heating water tanks 1.
Specifically, the heating circulation assembly 4 includes a heat pump unit 41 and a heating circulation pump 42, and at least two heating water tanks 1 are connected to form a loop with the heat pump unit 41 and the heating circulation pump 42 through the heating circulation pipe 6. When the water in the heating water tanks 1 is heated, the heating circulation pump 42 operates so that the water in one of the heating water tanks 1 passes through the heat pump unit 41 through the heating circulation pipe 6, and the water is heated by the heat pump unit 41 and then flows back into the heating water tank 1.
The heat pump water heating system further comprises a controller (not shown in the figure), a temperature sensor 7, a first control valve 8 and a second control valve 9, wherein the temperature sensor 7 is arranged in the heating water tank 1 to detect whether the water in the heating water tank 1 reaches a set temperature. The first control valve 8 is arranged on the hot water transfer pipe 5 and positioned at the water outlet of the heating water tank 1. The number of the second control valves 9 is two, and the two second control valves 9 are respectively arranged at the water inlet and the water outlet of the heating circulating pipe 6 positioned at the heating water tank 1. And, the second temperature sensor 7, the first control valve 8, the second control valve 9, the hot water transfer pump 3 and the heating circulation pump 42 are electrically connected with the controller to realize the automatic operation of the heat pump hot water system.
In actual operation, cold water is conveyed into the heating water tank 1, the sensor controls the heating circulating pump 42 to work and opens the two second control valves 9, the heat pump unit 41 circularly heats the cold water in the heating water tank 1, and after the temperature sensor 7 detects that the water temperature in the heating water tank 1 reaches the water outlet set temperature, the controller controls the heating circulating pump 42 to stop working and closes the two second control valves 9; after that, the sensor controls the hot water transfer pump 3 to operate and opens the first control valve 8, and the hot water in the heating water tank 1 is stored in the heat storage water tank 2 through the hot water transfer pipe 5.
When the outside supplements cold water in the heating water tank 1 again, the mixing of cold water and hot water is effectively reduced, and the running water temperature of the heat pump hot water system is reduced, so that the COP value of the heat pump unit 41 is improved, and the energy-saving effect of the heat pump hot water system is improved; and the outlet water temperature of the heat pump water heating system is constant.
In the present embodiment, the number of the heating water tanks 1 is two, the two heating water tanks 1 are respectively connected with the heat storage water tank 2 through the hot water transfer pipe 5, and the two heating water tanks 1 are respectively connected with the heating circulation pipe 6. The two heating water tanks 1 are controlled by the controller to alternately supplement water, heat and transfer water, so that continuous operation of the heat pump unit 41 in the peak water use period is guaranteed, the heat storage volume of the heat storage water tank 2 is reduced, heat loss in the heat storage water tank 2 can be effectively reduced, and the energy saving effect of the heat pump water heating system is improved.
Further, the device also comprises a temperature monitor 10 and a third control valve 11, wherein the temperature monitor 10 is arranged on the heat storage water tank 2 and is electrically connected with the controller so as to monitor the water temperature in the heat storage water tank 2. The number of the third control valves 11 is two, and the two third control valves 11 are respectively arranged on the water inlet and the water outlet of the heating circulating pipe 6 and the heat storage water tank 2. Meanwhile, the heat storage water tank 2, the heat pump unit 41 and the heating circulation pump 42 are connected into a loop through the heating circulation pipe 6. When the temperature monitor 10 detects that the water temperature in the heat storage water tank 2 is lower than the set temperature, the controller controls the first control valve 8 and the second control valve 9 to be closed, and opens the third control valve 11 to supplement heat to the water in the heat storage water tank 2 preferentially so as to ensure the water outlet temperature of the heat pump water heating system.
Further, the device also comprises a heat storage water level monitor 12, wherein the heat storage water level monitor 12 is arranged on the heat storage water tank 2 and is electrically connected with the controller. The heat storage water level monitor 12 can detect and control the water level in the heat storage water tank 2, and the heat storage water level monitor 12 is matched with the controller to realize water level control in different time periods, so that the flexibility of the operation of the heat pump hot water system is improved, the problem of overlarge heat loss caused by the placement of the hot water for too long time is also avoided, and the energy saving effect of the heat pump hot water system is improved.
Further, the heat pump water heating system further comprises a water outlet pipe 13, a water outlet meter 14 and disinfection equipment (not shown in the figure), wherein the water outlet pipe 13 is arranged on the heat storage water tank 2, and the water outlet meter 14 is arranged on the water outlet pipe 13, so that the water outlet amount of the heat pump water heating system is recorded, and a user can count conveniently. The disinfection equipment is arranged in the water outlet pipe 13 and disinfects water in the water outlet pipe 13; and, the sterilizing apparatus can reduce the outlet water temperature of the heat pump hot water system, thereby improving the COP value of the heat pump unit 41.
Further, the water replenishing pipe 15 and the heating water level monitor 16 are further included, the water replenishing pipe 15 is connected with the two heating water tanks 1 respectively, and the heating water level monitor 16 is arranged on the heating water tanks 1 and is electrically connected with the controller. When the heating water level monitor 16 detects that the water level of the heating water tank 1 is lower than the set value, the controller controls the water replenishing pipe 15 to replenish water.
The implementation principle of the embodiment is as follows: in actual operation, cold water is conveyed into the heating water tank 1, the sensor controls the heating circulating pump 42 to work and opens the two second control valves 9, the heat pump unit 41 circularly heats the cold water in the heating water tank 1, and after the temperature sensor 7 detects that the water temperature in the heating water tank 1 reaches the water outlet set temperature, the controller controls the heating circulating pump 42 to stop working and closes the two second control valves 9; after that, the sensor controls the hot water transfer pump 3 to operate and opens the first control valve 8, and the hot water in the heating water tank 1 is stored in the heat storage water tank 2 through the hot water transfer pipe 5.
When the outside supplements cold water in the heating water tank 1 again, the mixing of cold water and hot water is effectively reduced, and the running water temperature of the heat pump hot water system is reduced, so that the COP value of the heat pump unit 41 is improved, and the energy-saving effect of the heat pump hot water system is improved; and the outlet water temperature of the heat pump water heating system is constant.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A heat pump water heating system, characterized by: including at least two heating water tank (1), heat storage water tank (2), hot water transfer pump (3) and heating circulation subassembly (4), at least two heating water tank (1) pass through hot water transfer pipe (5) respectively with heat storage water tank (2) are connected, hot water transfer pump (3) are located hot water transfer pipe (5) are close to one end of heat storage water tank (2), at least two heating water tank (1) respectively with heating circulation subassembly (4) are connected.
2. A heat pump water heating system as set forth in claim 1, wherein: the number of the heating water tanks (1) is two.
3. A heat pump water heating system as set forth in claim 1, wherein: the heating circulation assembly (4) comprises a heat pump unit (41) and a heating circulation pump (42), and each heating water tank (1) is connected with the heating circulation pump (42) into a loop through the heating circulation pipe (6) and the heat pump unit (41).
4. A heat pump water heating system as claimed in claim 3, wherein: the heat pump unit further comprises a temperature monitor (10), wherein the temperature monitor (10) is arranged on the heat storage water tank (2), and the heat storage water tank (2), the heat pump unit (41) and the heating circulating pump (42) are connected into a loop through the heating circulating pipe (6).
5. A heat pump water heating system as set forth in claim 1, wherein: the water level monitoring device also comprises a heat storage water level monitor (12), wherein the heat storage water level monitor (12) is arranged on the heat storage water tank (2).
6. A heat pump water heating system as set forth in claim 1, wherein: the heat storage water tank is characterized by further comprising a water outlet pipe (13) and a water outlet water meter (14), wherein the water outlet pipe (13) is arranged on the heat storage water tank (2), and the water outlet water meter (14) is arranged on the water outlet pipe (13).
7. A heat pump water heating system as set forth in claim 1, wherein: the heat storage water tank further comprises a water outlet pipe (13) and disinfection equipment, wherein the water outlet pipe (13) is arranged on the heat storage water tank (2), and the disinfection equipment is arranged on the water outlet pipe (13).
8. A heat pump water heating system as set forth in claim 1, wherein: the water supply device is characterized by further comprising a water supply pipe (15) and a heating water level monitor (16), wherein the water supply pipe (15) is respectively connected with at least two heating water tanks (1), and the heating water level monitor (16) is arranged on the heating water tanks (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455437.9U CN219367983U (en) | 2023-03-10 | 2023-03-10 | Heat pump hot water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455437.9U CN219367983U (en) | 2023-03-10 | 2023-03-10 | Heat pump hot water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219367983U true CN219367983U (en) | 2023-07-18 |
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ID=87152774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320455437.9U Active CN219367983U (en) | 2023-03-10 | 2023-03-10 | Heat pump hot water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219367983U (en) |
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2023
- 2023-03-10 CN CN202320455437.9U patent/CN219367983U/en active Active
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