CN-122025910-A - Heat exchange system, energy storage device and electric equipment

Abstract

The application discloses a heat exchange system, an energy storage device and electric equipment, wherein the heat exchange system comprises a cooling liquid exchange assembly, the cooling liquid assembly comprises an integrated seat and a plurality of functional components, the integrated seat comprises a first liquid communication port, a second liquid communication port and a heating cavity, the functional components comprise a heating element, a water pump and a first heat exchange element, at least one of the water pump and the first heat exchange element is arranged on the integrated seat, the first liquid communication port is communicated with the heating cavity through the water pump, the first heat exchange element is communicated with the heating cavity through the second liquid communication port, and the heating element is arranged on the integrated seat and heats cooling liquid passing through the heating cavity. Specifically, install heating element on the integrated seat, install at least one in water pump and the first heat transfer piece on the integrated seat simultaneously, realized the integration of functional unit to can reduce the scattered degree of part, reduce the space that the part occupy in heat transfer system, and then can effectively improve heat transfer system's space utilization.

Inventors

• YANG LE
• LI QING
• YU DONGXU
• WU KAI
• LI JINKUI
• Ye Weida
• OUYANG SHIJIE

Assignees

• 宁德时代新能源科技股份有限公司

Dates

Publication Date

20260512

Application Date

20241112

Claims (20)

1. 1. A heat exchange system, the heat exchange system comprising a coolant assembly, the coolant assembly comprising: the integrated seat comprises a liquid flow passage, a first liquid communication port, a second liquid communication port and a heating cavity, wherein the liquid flow passage is respectively communicated with the first liquid communication port and the heating cavity, and the second liquid communication port is communicated with the heating cavity; The multifunctional solar heat collector comprises a plurality of functional components, wherein the functional components comprise a heating part, a water pump, a first heat exchange part and a second heat exchange part, the liquid flow channel, the water pump, the first heat exchange part and the second heat exchange part form a cooling liquid loop, at least one of the water pump and the first heat exchange part is arranged on the integrated seat, the second heat exchange part is communicated with the liquid channel through a first liquid communication port and is used for exchanging heat for a battery device of an energy storage device, the second liquid communication port is communicated with the second heat exchange part through the first heat exchange part, and the heating part is arranged on the integrated seat and can heat cooling liquid passing through a heating cavity.
2. 2. The heat exchange system of claim 1, wherein the heating chamber includes an opening, the heating element closes the opening, and a portion of the body of the heating element extends into the heating chamber.
3. 3. The heat exchange system of claim 2, wherein the heating element comprises: The mounting seat is arranged on the integrated seat and seals the opening, at least one protruding structure is arranged on the mounting seat, and the protruding structure is arranged in the heating cavity in an extending mode; The heating body is arranged in the convex structure, and can heat the cooling liquid flowing through the heating cavity through the convex structure.
4. 4. A heat exchange system according to claim 3, wherein the mounting base is provided with a mounting groove on a side facing away from the integrated base, the bottom of the mounting groove is formed with the convex structure on a side facing the heating chamber by way of concave, the heating body is provided in a concave position of the bottom, and the heating member further comprises a cover plate which is connected with the mounting base and closes a notch of the mounting groove.
5. 5. The heat exchange system of claim 4, wherein the mounting base is provided with a through hole, the through hole is communicated with the side wall of the mounting groove, and the through hole is used for the connecting line of the heating body to pass out.
6. 6. The heat exchange system of claim 4 wherein the heating element further comprises a first seal sealingly disposed between the mounting base and the integration base; and/or, the heating element further comprises a second sealing element, and the second sealing element is arranged between the mounting seat and the cover plate in a sealing way.
7. 7. The heat exchange system of claim 4, wherein the connection between the mounting block and the integration block comprises a snap-fit, an adhesive, a weld, or a connection via a fastener; and/or the connection mode between the cover plate and the mounting seat comprises clamping, bonding, welding or connection through a fastener.
8. 8. A heat exchange system as claimed in claim 3, wherein the integrated seat further comprises a diverter disposed within the heating chamber at an inlet location of the heating chamber.
9. 9. The heat exchange system of claim 8 wherein the flow divider comprises a primary flow passage and a plurality of branch flow passages, one end of the primary flow passage being in communication with the inlet of the heating chamber, and the other end of the primary flow passage being in communication with the heating chamber through the plurality of branch flow passages.
10. 10. The heat exchange system according to claim 9, wherein the projection structure is a plate-like structure, and a direction from the inlet of the heating chamber to the second liquid communication port is arranged parallel to or intersecting with a plate surface of the plate-like structure.
11. 11. The heat exchange system according to any one of claims 1 to 10, wherein the integrated seat is provided with a receiving groove, the liquid flow channel is communicated with the heating cavity through the receiving groove, the water pump seals a notch of the receiving groove, and the water pump comprises an impeller mechanism which is arranged in the receiving groove to drive the cooling liquid to enter the heating cavity from the first liquid communication port.
12. 12. The heat exchange system of claim 11 wherein the receiving chamber includes a coolant inlet opening on a bottom surface of the receiving chamber and in coaxial communication with the inlet of the impeller mechanism and a coolant outlet opening on a sidewall of the receiving chamber and in communication with the outlet of the impeller mechanism.
13. 13. The heat exchange system of claim 12, wherein the liquid flow passage includes a connecting channel having one end in communication with the first liquid communication port and the other end in communication with the cooling liquid inlet.
14. 14. The heat exchange system of claim 13, wherein the plurality of functional components further comprises an expansion tank disposed on the integrated seat and in communication with the connection channel.
15. 15. The heat exchange system of claim 14, wherein the connection between the expansion tank and the manifold block comprises plugging, welding, bonding, or fastening.
16. 16. The heat exchange system according to any one of claims 1 to 10, wherein the first heat exchange member is provided on the integration seat, the first heat exchange member including a first passage provided in communication with the second liquid communication port and the second heat exchange member, respectively.
17. 17. The heat exchange system of claim 16, wherein the connection between the first heat exchange member and the integrated seat comprises plugging, welding, bonding, or fastening.
18. 18. The heat exchange system of claim 16 further comprising a piping assembly, said piping assembly including a liquid inlet pipe and a liquid outlet pipe, said second heat exchange member being connected to said manifold block via said liquid inlet pipe and in communication with said first liquid communication port, said second heat exchange member being connected to said first heat exchange member via said liquid outlet pipe and in communication with said first channel.
19. 19. The heat exchange system of claim 18, wherein the conduit assembly further comprises a first connecting tube, the liquid outlet tube being connected to the first heat exchange member by the first connecting tube.
20. 20. The heat exchange system of claim 19, wherein the manifold further comprises a third fluid communication port, and the plurality of functional components further comprises a radiator tank in communication with the third fluid communication port and the outlet tube, respectively, the radiator tank being configured to exchange heat between a cooling fluid and air.

Description

Heat exchange system, energy storage device and electric equipment Technical Field The application relates to the technical field of energy storage, in particular to a heat exchange system, an energy storage device and electric equipment. Background The energy storage device is widely applied due to the advantages of large electric energy storage capacity and the like. The energy storage device generally comprises a box body, a heat exchange system and a plurality of batteries, wherein the heat exchange system and the batteries are respectively arranged in the box body, and the heat exchange system is used for exchanging heat for the batteries so that the batteries can stably operate. In the related art, the heat exchange system comprises a plurality of pipelines and a plurality of functional components, and the pipelines and the functional components are arranged in a scattered manner, so that the space utilization rate in the heat exchange system is low. Disclosure of Invention In view of the above problems, the application provides a heat exchange system, an energy storage device and electric equipment, which solve the problem of low space utilization rate in the heat exchange system. A first aspect of the present application proposes a heat exchange system comprising a coolant assembly comprising: The integrated seat comprises a liquid flow passage, a first liquid communication port, a second liquid communication port and a heating cavity, wherein the liquid flow passage is respectively communicated with the first liquid communication port and the heating cavity, and the second liquid communication port is communicated with the heating cavity; The heat exchange device comprises a plurality of functional components, wherein the functional components comprise a heating part, a water pump, a first heat exchange part and a second heat exchange part, a liquid flow channel, the water pump, the first heat exchange part and the second heat exchange part form a cooling liquid loop, at least one of the water pump and the first heat exchange part is arranged on an integrated seat, the second heat exchange part is communicated with the liquid channel through a first liquid communication port and is used for exchanging heat for a battery device of an energy storage device, the second liquid communication port is communicated with the second heat exchange part through the first heat exchange part, and the heating part is arranged on the integrated seat and can heat cooling liquid passing through a heating cavity. Specifically, install heating element on the integrated seat, install at least one in water pump and the first heat transfer piece on the integrated seat simultaneously, realized the integration of functional unit to can reduce the scattered degree of part, reduce the space that the part occupy in heat transfer system, and then can effectively improve heat transfer system's space utilization. In some embodiments of the application, the heating cavity comprises an opening, the heating element closes the opening, and a portion of the body of the heating element extends into the heating cavity. The heating device comprises a heating part, a heating cavity, a heating part, a cooling liquid and a cooling liquid storage device, wherein the heating part is arranged in the heating cavity, the heating part can be effectively contacted with the cooling liquid in the heating cavity, so that the cooling liquid is fully heated, and the heating effect of the cooling liquid is improved. In some embodiments of the application, the heating element comprises: The mounting seat is arranged on the integrated seat and seals the opening, at least one protruding structure is arranged on the mounting seat, and the protruding structure is arranged in the heating cavity in an extending mode; the heating body is arranged in the convex structure, and can heat the cooling liquid flowing through the heating cavity through the convex structure. The heating body heats the cooling liquid in the heating cavity through the protruding structure on the mounting seat, the cooling liquid is isolated from the heating body by the mounting seat, and the situation that the heating body is directly arranged in the cooling liquid is reduced, so that the faults caused by the fact that the heating body is directly arranged in the cooling liquid can be reduced. In some embodiments of the application, the mounting seat is provided with a mounting groove on one side facing away from the integrated seat, the bottom of the mounting groove forms a convex structure on one side facing the heating cavity in a concave manner, the heating body is arranged in the concave position of the bottom, and the heating piece further comprises a cover plate, and the cover plate is connected with the mounting seat and seals the notch of the mounting groove. By the arrangement, the heating body can be maintained and replaced conveniently on the premise that cooling liquid in th