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CN-224210916-U - Energy storage-charging system integrating heat pump thermal management

CN224210916UCN 224210916 UCN224210916 UCN 224210916UCN-224210916-U

Abstract

The utility model provides an energy storage-charging system integrating heat pump heat management, which comprises a hot water tank, a cold water tank, a heat pump module, a charging module and an energy storage module, wherein the cold water tank and the hot water tank are respectively connected with the heat pump module in parallel to form a cooling liquid cooling loop and a cooling liquid heating loop, the heat pump module can be switched between the cooling liquid cooling loop and the cooling liquid heating loop, the charging module is used for charging a product to be charged, the energy storage module is used for storing electric power and providing the electric power for the charging module, the charging module and the energy storage module are respectively connected with the cold water tank in parallel to form a first cooling loop and a second cooling loop, the cold water tank can supply low-temperature cooling liquid to the charging module and the energy storage module, the energy storage module and the hot water tank are connected in series to form a first heating loop, the hot water tank can supply high-temperature cooling liquid to the energy storage module, the charging module and the energy storage module are connected in series to form a second heating loop, the cooling liquid in the charging module and the energy storage module can circulate to be at the same temperature, the charging module and the cooling liquid in the energy storage module are concentrated in structure, and high in utilization rate.

Inventors

  • ZHAO RUI
  • GU LIANGLIANG
  • WANG NING
  • WANG ZHENGLU

Assignees

  • 沃太能源股份有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (10)

  1. 1. An energy storage-charging system integrating heat pump thermal management, characterized in that: The intelligent charging system comprises a cold water tank (1), a hot water tank (2), a heat pump module (3), a charging module (4) and an energy storage module (5), wherein the cold water tank (1) and the hot water tank (2) are respectively connected with the heat pump module (3) in parallel to form a cooling liquid cooling loop and a cooling liquid heating loop, the heat pump module (3) can be switched between the cooling liquid cooling loop and the cooling liquid heating loop, the charging module (4) is used for charging a product to be charged, and the energy storage module (5) is used for storing electric power and can provide the electric power for the charging module (4); The charging module (4) and the energy storage module (5) are respectively connected with the cold water tank (1) in parallel to form a first cooling loop and a second cooling loop, and the cold water tank (1) can supply low-temperature cooling liquid to the charging module (4) and the energy storage module (5); The energy storage module (5) is connected with the hot water tank (2) in series to form a first heating loop, and the hot water tank (2) can supply high-temperature cooling liquid to the energy storage module (5); The charging module (4) and the energy storage module (5) are connected in series to form a second heating loop, and cooling liquid in the charging module (4) and the energy storage module (5) can circulate to be at the same temperature.
  2. 2. The integrated heat pump thermally managed energy storage-charging system of claim 1, wherein: The heat pump module (3) comprises a first heat exchanger (301), a water return pump (302) and a first three-way valve (303), wherein the first heat exchanger (301) is used for heating or cooling liquid, the water return pump (302) is used for providing power for the flow of the cooling liquid, and the heat pump module (3) is connected with the hot water tank (2) or the cold water tank (1) in a switchable manner through the first three-way valve (303).
  3. 3. The integrated heat pump thermally managed energy storage-charging system of claim 2, wherein: The cold water tank (1) comprises a first water inlet and a first water outlet, the hot water tank (2) comprises a second water inlet and a second water outlet, the first three-way valve (303) comprises an A1 end, a B1 end and a C1 end, the A1 end is connected with the first water inlet of the cold water tank (1), the B1 end is connected with the first heat exchanger (301), the C1 end is connected with the second water inlet of the hot water tank (2), when the first three-way valve (303) is switched to be communicated with the A1 end to the B1 end, the heat pump module (3) can be communicated with the cold water tank (1) to form a cooling liquid cooling loop, and when the first three-way valve (303) is switched to be communicated with the B1 end to the C1 end, the heat pump module (3) can be communicated with the hot water tank (2) to form a cooling liquid heating loop.
  4. 4. An integrated heat pump thermally managed energy storage-charging system of claim 3, wherein: The charging module (4) comprises a second heat exchanger (401), a first water pump (402) and a second stop valve (403) which are sequentially connected in series, the second heat exchanger (401) is connected with a first water inlet of the cold water tank (1), and the second stop valve (403) is connected with a first water outlet of the cold water tank (1).
  5. 5. The integrated heat pump thermally managed energy storage-charging system of claim 4, wherein: The energy storage module (5) comprises a third heat exchanger (501), a second water pump (502) and a second three-way valve (503) which are sequentially connected in series, the third heat exchanger (501) is connected with the second heat exchanger (401), two branches are arranged at the position of the second three-way valve (503), one branch is connected with the charging module (4) and the cold water tank (1), and the other branch is connected with the hot water tank (2).
  6. 6. The integrated heat pump thermally managed energy storage-charging system of claim 5, wherein: The first water outlet of the cold water tank (1) is provided with a first stop valve (101), the first stop valve (101) is provided with two branches, one branch is connected with the second stop valve (403), when the first stop valve (101) and the second stop valve (403) are both opened, the charging module (4) can be communicated with the cold water tank (1) to form a first cooling loop, and the other branch is connected with the second three-way valve (503).
  7. 7. The integrated heat pump thermally managed energy storage-charging system of claim 6, wherein: The second three-way valve (503) comprises an A2 end, a B2 end and a C2 end, wherein the A2 end is connected with a second water pump (502), the B2 end is connected with a first stop valve (101), the C2 end is connected with a second water outlet of the hot water tank (2), when the second three-way valve (503) is switched to be switched on at the A2-B2 end and the first stop valve (101) is opened, the energy storage module (5) can be communicated with the cold water tank (1) to form a second cooling loop, when the second three-way valve (503) is switched to be switched on at the A2-B2 end and the first stop valve (101) is closed, the energy storage module (5) can be communicated with the charging module (4) to form a second heating loop, and when the second three-way valve (503) is switched to be switched on at the A2-C2 end and the second stop valve (403) is closed, the energy storage module (5) can be communicated with the hot water tank (2) to form a first loop.
  8. 8. The integrated heat pump thermally managed energy storage-charging system of claim 5, wherein: the first water pump (402) and the second water pump (502) are both circulating water pumps.
  9. 9. The integrated heat pump thermally managed energy storage-charging system of claim 1, wherein: The intelligent charging system further comprises a temperature monitoring module, wherein the temperature monitoring module is used for monitoring the temperature of cooling liquid in the cold water tank (1), the temperature of cooling liquid in the hot water tank (2), the temperature of power electronic products in the charging module (4) and the temperature of the battery cell in the energy storage module (5).
  10. 10. The integrated heat pump thermally managed energy storage-charging system of claim 1, wherein: The energy storage module (5) is connected with an external load (8), and the energy storage module (5) can provide power for the external load (8) for use.

Description

Energy storage-charging system integrating heat pump thermal management Technical Field The utility model relates to the technical field of energy storage battery thermal management, in particular to an energy storage-charging system integrating heat pump thermal management. Background Along with the acceleration of global energy transformation process, the rapid development of energy Storage batteries and electric automobile charging pile industries presents a situation of explosive growth, and an integrated energy Storage-charging system (INTEGRATED ENERGY Storage AND CHARGING SYSTEM, IESCS) is becoming a key development direction of future intelligent energy systems. However, in the "zero carbon park" construction wave, the prior art system still faces multiple challenges for industrial parks equipped with commercial heat pumps, industrial and commercial liquid-cooled energy storage battery systems, and liquid-cooled dc charging piles: On the one hand, the system integration is not enough. In the current system architecture, the energy storage battery and the charging pile generally need to be independently provided with cooling equipment, so that the complexity and the cost of the system are increased, and the overall energy efficiency is reduced. On the other hand, the energy collaborative management is absent. The existing system lacks intelligent scheduling algorithm, the battery and the charging pile usually run independently, the matching degree of the battery charging and discharging and the charging pile running time sequence is less than 60%, the energy flow between the battery charging and discharging and the charging pile is lack of collaborative management, and therefore energy waste and low utilization rate are caused. The waste heat recovery rate is low, and the energy storage battery and the charging pile generally adopt independent liquid cooling circulation systems, so that waste heat is dispersed and is difficult to intensively recover. The cooling systems of the heat pump, the energy storage battery and the charging pile lack a heat coupling design, and waste heat is not effectively integrated and utilized. Therefore, there is a need for an energy storage-charging system that has no additional structure, can efficiently manage the liquid cooling and heating of the energy storage battery and the dc charging pile, and realizes the recycling of the energy of the charging pile. Disclosure of Invention The present utility model is directed to an energy storage-charging system integrating heat pump thermal management to solve the above-mentioned problems. The technical scheme adopted by the utility model is as follows: An energy storage-charging system integrating heat pump thermal management comprises a cold water tank, a hot water tank, a heat pump module, a charging module and an energy storage module, wherein the cold water tank and the hot water tank are respectively connected with the heat pump module in parallel to form a cooling liquid cooling loop and a cooling liquid heating loop, the heat pump module can be switched between the cooling liquid cooling loop and the cooling liquid heating loop, the charging module is used for charging a product to be charged, and the energy storage module is used for storing electric power and can provide the electric power for the charging module; The charging module and the energy storage module are respectively connected with the cold water tank in parallel to form a first cooling loop and a second cooling loop, and the cold water tank can supply low-temperature cooling liquid to the charging module and the energy storage module; The energy storage module is connected with the hot water tank in series to form a first heating loop, and the hot water tank can supply high-temperature cooling liquid to the energy storage module; the charging module and the energy storage module are connected in series to form a second heating loop, and cooling liquid in the charging module and the energy storage module can circulate to be at the same temperature. As a further improved technical scheme of the utility model, the heat pump module comprises a first heat exchanger, a water return pump and a first three-way valve, wherein the first heat exchanger is used for heating or cooling liquid, the water return pump is used for providing power for the flow of the cooling liquid, and the heat pump module is switchably connected with a hot water tank or a cold water tank through the first three-way valve. According to the technical scheme, the cold water tank comprises a first water inlet and a first water outlet, the hot water tank comprises a second water inlet and a second water outlet, the first three-way valve comprises an A1 end, a B1 end and a C1 end, the A1 end is connected with the first water inlet of the cold water tank, the B1 end is connected with the first heat exchanger, the C1 end is connected with the second water inlet of the hot water tank, when the