Energy storage adjusting type heat pump heat supply system
By adopting a spiral heat exchange pipeline and insulation cavity structure in the heat pump heating system, the problems of insufficient heat transfer efficiency and insulation performance are solved, achieving efficient heat transfer and stable heating effect.
Patent Information
- Application Number
- CN202520138767.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing heat pump heating systems, the heat storage coil and evaporation coil are arranged separately in the heat storage medium, resulting in low heat transfer efficiency and insufficient insulation performance of the phase change heat storage device.
The spiral heat exchange pipeline directly contacts the heat storage pipeline to form an integrated heat exchange pipeline. An insulation cavity is set in the energy storage device, and the temperature is regulated by heating rods. The outer shell and the inner liner form an insulation structure to enhance heat transfer efficiency and insulation performance.
It improves heat transfer efficiency, extends the heat exchange path, enhances insulation performance, ensures stable operation of the heat pump unit, and can quickly adjust the temperature when the photovoltaic heat exchange module provides insufficient heat.
Smart Images
Figure CN223636391U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of heat supply system, concretely relates to a kind of energy storage regulating type heat pump heat supply system. BACKGROUND
[0002] Heat pump technology is a new energy technology that has attracted worldwide attention in recent years. Heat pump is a device that can obtain low-grade heat energy from air, water or soil in nature, and provide high-grade heat energy for people through electric power. Low-cost heat supply of heat pump needs to rely on low-cost low-temperature heat source and difference utilization of peak and valley electricity price of power grid, on the other hand, it also needs to strengthen energy storage.
[0003] CN 10878784 A discloses a heat pump heat supply system using heat storage medium water phase change to store solar energy, which includes a phase change energy storage system, a heat pump heat supply system and a phase change heat storage device. The phase change heat storage device includes a heat storage coil and an evaporation coil, and the phase change energy storage system is connected with the heat storage coil. The heat pump heat supply system is connected with the evaporation coil. The phase change energy storage system is used to absorb solar energy and store solar energy in the phase change heat storage device through heat storage medium. The heat pump heat supply system is used to release the solar energy stored in the phase change heat storage device through heat storage medium. It uses the solid-liquid phase change of water to store the abundant solar energy in the daytime for heating at night, achieving the effect of energy saving and emission reduction. However, there are still the following problems: 1. The heat storage coil and the evaporation coil are arranged in the heat storage medium respectively, and the heat is transferred through the heat storage medium without direct contact, so the heat transfer efficiency needs to be improved; 2. The heat preservation performance of the phase change heat storage device needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a configuration reasonable, reliable to use energy storage regulating type heat pump heat supply system that solves the above problems, on the one hand, improve the heat transfer efficiency, on the other hand, enhance the heat preservation performance.
[0005] The technical scheme of the utility model is:
[0006] The utility model provides a kind of energy storage regulating type heat pump heating system, including photovoltaic heat exchange module, energy storage and heat pump unit, and its technical key points are as follows: the energy storage includes shell, inner container, left water-collecting passage arranged on the left inner wall of inner container, right water-dividing passage arranged on the right inner wall of inner container, multiple parallel heat storage pipelines connected between left water-collecting passage and right water-dividing passage, spiral heat exchange pipeline coiled on heat storage pipeline, adjacent two spiral heat exchange pipelines are communicated, each spiral heat exchange pipeline is connected as integrated heat exchange pipeline, the inlet and outlet of the integrated heat exchange pipeline pass through the outer wall of energy storage and are connected with heat pump unit, first temperature sensor is arranged on the outside of the outlet of the integrated heat exchange pipeline, first booster pump is connected on the outside of the inlet of the integrated heat exchange pipeline, the outlet of left water-collecting passage and the inlet of right water-dividing passage pass through the outer wall of energy storage and are connected with photovoltaic heat exchange module, the shell and inner container form heat preservation cavity, phase change heat storage medium is arranged in the inner container, corrugated compensator is arranged in the top of shell and communicated with inner container, transparent heat preservation cover is arranged on the outside of corrugated compensator, heating rod is additionally arranged in the inner container.
[0007] The energy storage regulating type heat pump heating system, the photovoltaic heat exchange module includes photovoltaic heat collecting tube group, water inlet side pipeline communicated with photovoltaic heat collecting tube group, outlet side pipeline, second booster pump connected with water inlet side pipeline, the inlet pipeline of second booster pump is communicated with the outlet of left water-collecting passage, the other end of outlet side pipeline is communicated with the inlet of right water-dividing passage, second temperature sensor and flow sensor are arranged on outlet side pipeline.
[0008] The energy storage regulating type heat pump heating system, the outer surface of shell is provided with black coating, to facilitate heat absorption.
[0009] The energy storage regulating type heat pump heating system, the shell is provided with steam inlet with waste heat corresponding to the position of heat preservation cavity bottom, is provided with steam outlet corresponding to the position of heat preservation cavity top, and drain valve is additionally arranged on the bottom of shell.
[0010] The utility model has the advantages that:
[0011] 1, spiral heat exchange pipeline is directly coiled on heat storage pipeline, directly contacts with heat storage pipeline, and heat transfer efficiency is high, meanwhile, each spiral heat exchange pipeline is communicated as integrated heat exchange pipeline, prolongs heat exchange path, and improves heat exchange temperature.
[0012] 2, when photovoltaic heat exchange module is insufficient, heating rod is used to heat phase change heat storage medium, so as to improve the temperature in inner container, achieve the role of temperature adjustment, ensure the use demand of heat pump unit.
[0013] 3, shell and inner container form heat preservation cavity, enhance heat preservation performance.
[0014] 4. The top of the shell is provided with corrugated compensator communicated with the inner container, the corrugated compensator is used for compensating the volume change of the phase change heat storage medium after heating, and safety and reliability are ensured.
[0015] 5. When it is winter, the pipeline of the photovoltaic heat exchange module can be prevented from freezing by using the heating rod and the phase change heat storage medium. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic view of the utility model.
[0017] In the drawing: 1. photovoltaic heat collecting pipe group, 2. transparent heat preservation cover, 3. corrugated compensator, 4. second temperature sensor, 5. flow sensor, 6. shell, 7. inlet side pipeline, 8. outlet side pipeline, 9. steam outlet, 10. first temperature sensor, 11. outlet, 12. inner container, 13. heat pump unit, 14. inlet, 15. heat preservation cavity, 16. right water distribution channel, 17. first lifting pump, 18. heating rod, 19. drain valve, 20. spiral heat exchange pipeline, 21. inlet, 22. steam inlet, 23. heat storage pipeline, 24. left water collection channel, 25. outlet, 26. second lifting pump. DETAILED DESCRIPTION
[0018] The utility model is described in detail according to the drawing of the specification.
[0019] As Figure 1 shown, the energy storage adjusting type heat pump heating system includes a photovoltaic heat exchange module, an energy storage device, and a heat pump unit.
[0020] The energy storage device includes a shell 6, an inner container 12, a left water collection channel 24 disposed on the left inner wall of the inner container 12, a right water distribution channel 16 disposed on the right inner wall of the inner container 12, a plurality of heat storage pipelines 23 connected in parallel between the left water collection channel 24 and the right water distribution channel 16, and a spiral heat exchange pipeline 20 coiled on the heat storage pipelines 23. Adjacent two spiral heat exchange pipelines 20 are connected, and each spiral heat exchange pipeline 20 is connected as an integrated heat exchange pipeline.
[0021] The inlet 21 and the outlet 11 of the integrated heat exchange pipeline are connected with the heat pump unit 13 after penetrating the outer wall of the energy storage device. The outside of the outlet 11 of the integrated heat exchange pipeline is provided with a first temperature sensor 10, and the outside of the inlet 21 of the integrated heat exchange pipeline is connected with a first booster pump 17. The outlet of the left water collecting channel 24 and the inlet of the right water distributing channel 16 are connected with the photovoltaic heat exchange module after penetrating the outer wall of the energy storage device. In the embodiment, the photovoltaic heat exchange module comprises a photovoltaic heat collecting pipe group 1, a water inlet side pipeline 7 and a water outlet side pipeline 8 which are in communication with the photovoltaic heat collecting pipe group 1, a second booster pump 26 which is connected with the water inlet side pipeline 7, the inlet pipeline of the second booster pump 26 is in communication with the outlet 25 of the left water collecting channel, the other end of the water outlet side pipeline 8 is in communication with the inlet 14 of the right water distributing channel, and the water outlet side pipeline 8 is provided with a second temperature sensor 4 and a flow sensor 5.
[0022] The outer shell 6 and the inner container 12 form a heat preservation cavity 15, the inner container 12 is provided with a phase change heat storage medium, the outer shell 6 is provided with a corrugated compensator 3 which is in communication with the inner container 12, a transparent heat preservation cover 2 is arranged outside the corrugated compensator 3, and a heating rod 18 is additionally arranged in the inner container 12. In the embodiment, the outer surface of the outer shell 6 is provided with a black coating to facilitate heat absorption. The outer shell 6 is provided with a steam inlet 22 with residual heat at the position corresponding to the bottom of the heat preservation cavity 15, is provided with a steam outlet 9 at the position corresponding to the top of the heat preservation cavity 15, and is additionally provided with a drain valve 19 at the bottom.
[0023] Working principle:
[0024] In work, heat is collected by the photovoltaic heat exchange module, and the heat is transferred to the phase change heat storage medium in the integrated heat exchange pipeline and the inner container 12 through the heat storage pipeline 23 between the left water collecting channel 24 and the right water distributing channel 16, and the phase change heat storage medium is used for heat storage. At the same time, the steam with residual heat generated in production and life is injected into the heat preservation cavity 15, so that the heat preservation performance of the energy storage device is improved. The medium in the integrated heat exchange pipeline is heat-exchanged through the energy storage device, and then the heat is transferred to the heat pump unit 13, and the heat pump unit 13 increases the temperature and then transfers the heat to the heat supply terminal. When the first temperature sensor 10 at the outlet of the integrated heat exchange pipeline detects that the temperature is lower than the set value, the heating rod 18 is powered on, so that the temperature is quickly adjusted, and the needs of the heat pump unit 13 are met.
[0025] The above embodiment of the utility model is described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered as limiting the scope of the utility model. Any equivalent change and improvement within the scope of the utility model is still within the scope of the patent.
Claims
1. An energy storage adjustment type heat pump heating system, comprising a photovoltaic heat exchange module, an energy storage device and a heat pump unit, characterized in that: The energy storage device comprises an outer shell, an inner container, a left water collection channel arranged on the left inner wall of the inner container, a right water distribution channel arranged on the right inner wall of the inner container, a plurality of parallel heat storage pipelines connected between the left water collection channel and the right water distribution channel, spiral heat exchange pipelines coiled on the heat storage pipelines, adjacent two spiral heat exchange pipelines being communicated, each spiral heat exchange pipeline being connected as an integrated heat exchange pipeline, the inlet and outlet of the integrated heat exchange pipeline penetrating through the outer wall of the energy storage device and being connected with the heat pump unit, a first temperature sensor being arranged outside the outlet of the integrated heat exchange pipeline, a first booster pump being connected outside the inlet of the integrated heat exchange pipeline, the outlet of the left water collection channel and the inlet of the right water distribution channel penetrating through the outer wall of the energy storage device and being connected with the photovoltaic heat exchange module, a heat preservation cavity being formed between the outer shell and the inner container, a phase change heat storage medium being arranged in the inner container, a corrugated compensator being arranged on the top of the outer shell and being communicated with the inner container, a transparent heat preservation cover being arranged outside the corrugated compensator, and a heating rod being additionally arranged in the inner container.
2. The energy-regulating heat pump heating system of claim 1, wherein: The photovoltaic heat exchange module comprises a photovoltaic heat collection pipe group, an inlet side pipeline and an outlet side pipeline communicated with the photovoltaic heat collection pipe group, and a second booster pump connected with the inlet side pipeline, the inlet pipeline of the second booster pump being communicated with the outlet of the left water collection channel, the other end of the outlet side pipeline being communicated with the inlet of the right water distribution channel, and a second temperature sensor and a flow sensor being arranged on the outlet side pipeline.
3. The energy-regulating heat pump heating system of claim 1, wherein: The outer surface of the outer shell is provided with a black coating.
4. The energy-regulating heat pump heating system of claim 1, wherein: The outer shell is provided with a steam inlet with waste heat at the position corresponding to the bottom of the heat preservation cavity, a steam outlet at the position corresponding to the top of the heat preservation cavity, and a drain valve at the bottom of the outer shell.