Search

CN-122025927-A - Thermal management device and energy storage system

CN122025927ACN 122025927 ACN122025927 ACN 122025927ACN-122025927-A

Abstract

The application discloses a heat management device and an energy storage system, and belongs to the technical field of heat management, wherein the heat management device comprises a first heat exchange loop, a second heat exchange loop, a heat exchange assembly and a first mode switching assembly, the heat exchange assembly comprises a first heat exchange pipeline and a second heat exchange pipeline, the first heat exchange pipeline is connected in the first heat exchange loop, and the second heat exchange pipeline is connected in the second heat exchange loop; the first mode switching component is respectively connected with the first heat exchange loop and the second heat exchange loop, and can control the thermal management device to be in a first mode or a second mode. According to the heat management device, the first mode switching assembly control device is arranged to switch between the first mode and the second mode, so that the first heat exchange loop and the second heat exchange loop work independently or cooperatively, the number of redundant heat dissipation components and power components is reduced, the complexity and the manufacturing cost of a system are reduced, and the overall energy efficiency can be improved.

Inventors

  • QIAN LIHAI
  • WANG SENLIN
  • ZHOU JIANJIE
  • CHEN XIAOLIN

Assignees

  • 阳光电源股份有限公司

Dates

Publication Date
20260512
Application Date
20260205

Claims (17)

  1. 1. A thermal management device, comprising: a first heat exchange circuit (100); a second heat exchange circuit (200); a heat exchange assembly (300) comprising a first heat exchange pipeline (310) and a second heat exchange pipeline (320), wherein the first heat exchange pipeline (310) is connected into the first heat exchange circuit (100), and the second heat exchange pipeline (320) is connected into the second heat exchange circuit (200); The first mode switching assembly (400) is respectively connected with the first heat exchange loop (100) and the second heat exchange loop (200), and the first mode switching assembly (400) can control the thermal management device to be in a first mode or a second mode.
  2. 2. The thermal management device of claim 1, wherein the heat exchange assembly (300) further comprises a heat exchange portion (330), and the first heat exchange tube (310) and the second heat exchange tube (320) are both disposed through the heat exchange portion (330).
  3. 3. The thermal management device according to claim 2, wherein the heat exchange assembly (300) comprises: a plurality of first heat exchange pipelines (310) which are arranged at intervals along a first direction; And the plurality of second heat exchange pipelines (320) are arranged at intervals along the first direction, and at least one first heat exchange pipeline (310) is arranged adjacent to at least one second heat exchange pipeline (320) along the first direction.
  4. 4. A thermal management device according to claim 3, wherein at least one of said first heat exchange lines (310) is arranged in line with at least one of said second heat exchange lines (320).
  5. 5. The thermal management device according to claim 1, wherein the heat exchange assembly (300) comprises a plurality of heat exchange portions (330) (330), the first heat exchange tube (310) and the second heat exchange tube (320) being respectively disposed within different heat exchange portions (330); wherein a plurality of heat exchanging parts (330) are arranged at intervals, or a plurality of heat exchanging parts (330) are stacked along the air flow direction.
  6. 6. The thermal management device of claim 2, wherein the heat exchange assembly (300) further comprises a fan (340), the fan (340) being disposed adjacent to the heat exchange portion (330) for passing an air flow through the heat exchange portion (330).
  7. 7. The thermal management device of claim 1, wherein, -The first heat exchange line (310) is connected in series with the second heat exchange line (320) with the thermal management device in the first mode; The first heat exchange line (310) is connected in parallel with the second heat exchange line (320) with the thermal management device in the second mode.
  8. 8. The thermal management apparatus of claim 7, wherein the first mode switching assembly (400) comprises: a first interface (410) connected to the first heat exchange circuit (100); a second interface (420) connected to the first heat exchange line (310); a third interface (430) connected to the second heat exchange line (320); A fourth interface (440) connected to the second heat exchange circuit (200); wherein, with the thermal management device in the first mode, the first interface (410) communicates with the second interface (420), the third interface (430) communicates with the fourth interface (440) to connect the first heat exchange line (310) in parallel with the second heat exchange line (320); The first interface (410) communicates with the fourth interface (440) and the second interface (420) communicates with the third interface (430) with the thermal management device in the second mode such that the first heat exchange line (310) is connected in series with the second heat exchange line (320).
  9. 9. The thermal management apparatus of claim 8, wherein, The first heat exchange loop (100) comprises a first driving pump (110) and a first heat exchange piece (120) which are sequentially connected, the first driving pump (110) is connected with the first interface (410), and the first heat exchange piece (120) is connected with the first heat exchange pipeline (310); The second heat exchange loop (200) comprises a compressor assembly (210), a second heat exchange piece (220) and an expansion valve (230) which are sequentially connected, wherein the expansion valve (230) is arranged between the second heat exchange piece (220) and the fourth interface (440), and one end, far away from the third interface (430), of the second heat exchange pipeline (320) is connected with the compressor assembly (210).
  10. 10. The thermal management device of claim 9, wherein the compressor assembly (210) comprises: A compressor (211); A first valve body (212) provided at an outlet end of the compressor (211); -a bypass line (213) connected at one end to the inlet end of the compressor (211) and at the other end to the outlet end of the first valve body (212); And a second valve body (214) provided on the bypass line (213).
  11. 11. The thermal management device of claim 9, wherein the second heat exchange circuit (200) further comprises a first heating element (240), the first heating element (240) being disposed between the compressor assembly (210) and the heat exchange assembly (300).
  12. 12. The thermal management device according to claim 9, wherein the second heat exchange member (220) comprises: a third heat exchange line (221) connected to the compressor assembly (210) and the expansion valve (230), respectively; And the fourth heat exchange pipeline (222) exchanges heat with the third heat exchange pipeline (221) and is connected into the third heat exchange circuit (500).
  13. 13. The thermal management device according to claim 12, wherein the third heat exchange circuit (500) comprises a second driving pump (510) and a third heat exchange member (520) connected in sequence, the second driving pump (510) being connected to one end of the fourth heat exchange pipe (222), the third heat exchange member (520) being connected to the other end of the fourth heat exchange pipe (222).
  14. 14. The thermal management device of claim 13, wherein the third heat exchange circuit (500) further comprises a second heating element (530), the second heating element (530) being disposed between the third heat exchange element (520) and the fourth heat exchange line (222).
  15. 15. The thermal management device of claim 13, characterized in that the thermal management device further comprises: A second mode switching assembly (600) connected between the third heat exchange member (520) and the fourth heat exchange conduit (222); a fourth heat exchange member (700) connected to the second mode switching assembly (600); wherein the second mode switching assembly (600) is configured to either switch the fourth heat exchange member (700) into the third heat exchange circuit (500) or disconnect the connection between the fourth heat exchange member (700) and the third heat exchange circuit (500).
  16. 16. The thermal management device according to claim 1, wherein the first heat exchange circuit (100) is in fluid communication with the same heat exchange medium as the second heat exchange circuit (200).
  17. 17. An energy storage system, comprising: a power assembly; An energy storage assembly; And a thermal management device as claimed in any one of claims 1 to 16; the power assembly is in heat exchange connection with the first heat exchange loop (100), and the energy storage assembly is in heat exchange connection with the second heat exchange loop (200).

Description

Thermal management device and energy storage system Technical Field The present disclosure relates to thermal management technologies, and in particular, to a thermal management device and an energy storage system. Background The thermal management device is a key component in the energy storage system and is used for radiating or heating components such as the energy storage component, the power conversion system (PCS, power Conversion System) and the like so as to ensure that the heating components work in a proper temperature range, thereby relating to the efficiency, the safety and the service life of the whole system. Currently, it is a common solution to configure separate thermal management loops for different components of the energy storage assembly, such as providing separate heat dissipation paths and heat exchangers for the PCS and battery clusters, respectively. However, such a scheme generally results in complex system structure, redundant components, increased space occupation, and lack of coordination among the loops, which affects the overall energy efficiency and integration level of the system. Disclosure of Invention The embodiment of the application provides a thermal management device and an energy storage system, which at least partially solve the technical problems that the thermal management device is complex in structure, large in occupied space and affects the overall energy efficiency and integration degree. In order to achieve the above object, according to a first aspect of the present application, there is provided a thermal management device comprising: a first heat exchange circuit; a second heat exchange circuit; The heat exchange assembly comprises a first heat exchange pipeline and a second heat exchange pipeline, the first heat exchange pipeline is connected into the first heat exchange loop, and the second heat exchange pipeline is connected into the second heat exchange loop; the first mode switching assembly is respectively connected with the first heat exchange loop and the second heat exchange loop and can control the thermal management device to be in a first mode or a second mode. In some embodiments, the heat exchange assembly further comprises a heat exchange portion, and the first heat exchange pipeline and the second heat exchange pipeline are both arranged in the heat exchange portion in a penetrating manner. In some embodiments, the heat exchange assembly comprises: The plurality of first heat exchange pipelines are arranged at intervals along the first direction; The plurality of second heat exchange pipelines are arranged at intervals along the first direction, and at least one first heat exchange pipeline is arranged adjacent to at least one second heat exchange pipeline along the first direction. In some embodiments, at least one of the first heat exchange lines is disposed in registry with at least one of the second heat exchange lines. In some embodiments, the heat exchange assembly includes a plurality of heat exchange portions, where the first heat exchange pipeline and the second heat exchange pipeline are respectively disposed in different heat exchange portions in a penetrating manner, and the plurality of heat exchange portions are disposed at intervals, or the plurality of heat exchange portions are stacked along the airflow direction. In some embodiments, the heat exchange assembly further comprises a fan disposed adjacent to the heat exchange portion for passing the airflow through the heat exchange portion. In some embodiments, the first heat exchange line is connected in series with the second heat exchange line with the thermal management device in the first mode; the first heat exchange line is connected in parallel with the second heat exchange line with the thermal management device in the second mode. In some embodiments, the first mode switching component comprises: the first interface is connected with the first heat exchange loop; the second interface is connected with the first heat exchange pipeline; The third interface is connected with the second heat exchange pipeline; The fourth interface is connected with the second heat exchange loop; Wherein, when the thermal management device is in the first mode, the first interface communicates with the second interface and the third interface communicates with the fourth interface to connect the first heat exchange line in parallel with the second heat exchange line; The first interface communicates with the fourth interface and the second interface communicates with the third interface with the thermal management device in the second mode such that the first heat exchange line is connected in series with the second heat exchange line. In some embodiments, the first heat exchange loop comprises a first driving pump and a first heat exchange element which are sequentially connected, the first driving pump is connected with the first interface, and the first heat exchange element is connec