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CN-224204151-U - Ventilation device for energy storage system and energy storage system

CN224204151UCN 224204151 UCN224204151 UCN 224204151UCN-224204151-U

Abstract

The utility model relates to the technical field of energy storage, and discloses a ventilation device for an energy storage system and the energy storage system, wherein the ventilation device for the energy storage system is arranged on an energy storage cabinet and used for radiating an inverter, an air outlet is formed in the energy storage cabinet, the ventilation device comprises a ventilation channel, the ventilation channel is of a hollow structure and comprises a first connecting section and a second connecting section which are mutually communicated, the first connecting section is communicated with the air outlet, the second connecting section is provided with an air suction inlet opposite to the inverter, the ventilation cross section of the first connecting section is larger than that of the second connecting section, and an air suction assembly is arranged on the first connecting section and used for sucking hot air generated by the inverter into the ventilation channel through the air suction inlet and discharging the hot air generated by the inverter out of the energy storage cabinet through the air outlet. The utility model has the advantages of simple structure and high heat dissipation efficiency.

Inventors

  • ZHANG JIANYAO
  • TANG QILIN

Assignees

  • 宁波德业储能科技有限公司

Dates

Publication Date
20260505
Application Date
20250408

Claims (10)

  1. 1. A ventilation device for energy storage system installs on energy storage cabinet (100) for dispel the heat to dc-to-ac converter (200), be equipped with air outlet (110) on energy storage cabinet (100), its characterized in that, ventilation device includes: A ventilation channel (300), wherein the ventilation channel (300) is of a hollow structure and comprises a first connecting section (310) and a second connecting section (320) which are communicated with each other, the first connecting section (310) is communicated with the air outlet (110), the second connecting section (320) is provided with an air suction inlet (321) opposite to the inverter (200), and the ventilation sectional area of the first connecting section (310) is larger than that of the second connecting section (320); The air draft assembly (400) is arranged on the first connecting section (310), and is used for sucking hot air generated by the inverter (200) into the ventilation channel (300) through the air draft opening (321) and discharging the hot air out of the energy storage cabinet (100) through the air outlet (110).
  2. 2. The ventilation device for an energy storage system according to claim 1, wherein a third connecting section (330) is further provided between the first connecting section (310) and the second connecting section (320), the top of the third connecting section (330) is flush with the top of the first connecting section (310) and the second connecting section (320), the bottom of the third connecting section (330) is arranged in an inclined manner, one end of the third connecting section is flush with the bottom of the first connecting section (310), and the other end of the third connecting section is flush with the bottom of the second connecting section (320).
  3. 3. A ventilation device for an energy storage system according to claim 1, wherein the first connection section (310) has a receiving groove (311), at least one air outlet (312) respectively communicating with the air outlet (110) and the second connection section (320) is provided on an inner wall of the receiving groove (311), and the air extraction assembly (400) is detachably provided in the receiving groove (311) and opposite to the air outlet (312).
  4. 4. A ventilation device for an energy storage system according to claim 3, wherein four air outlets (312) are arranged in a matrix, and a space (313) is provided between two adjacent air outlets (312), and the air extraction assembly (400) includes four fans (410) corresponding to the air outlets (312) one by one.
  5. 5. A ventilation device for an energy storage system according to claim 1, characterized in that the second connection section (320) is arranged above the inverter (200) and abuts against an outer wall of the inverter (200), and the suction opening (321) is opposite and communicates with the heat dissipation hole (210) of the inverter (200).
  6. 6. The ventilation device for an energy storage system according to claim 5, wherein a buffer structure (500) is provided between the second connection section (320) and the inverter (200), and one side of the buffer structure (500) is abutted to an outer wall of the inverter (200), and the other side is abutted to an outer wall of the second connection section (320).
  7. 7. A ventilation device for an energy storage system according to claim 5, wherein a plurality of ribs (322) are further provided on the second connection section (320), and a plurality of the ribs (322) are in the same horizontal plane as the suction opening (321).
  8. 8. A ventilating device for an energy storage system according to claim 5, wherein the second connection section (320) is further provided with an air guiding portion (323) at a side remote from the first connection section (310), the air guiding portion (323) being inclined towards a direction close to the first connection section (310) and forming an acute angle with a horizontal plane.
  9. 9. An energy storage system, comprising: The energy storage cabinet (100), wherein the energy storage cabinet (100) is provided with an air outlet (110) and an air inlet (120); an inverter (200), wherein the inverter (200) is arranged in the energy storage cabinet (100); A ventilation arrangement comprising a ventilation channel (300) and an air extraction assembly (400); The ventilation channel (300) is of a hollow structure and comprises a first connecting section (310) and a second connecting section (320) which are communicated with each other, the first connecting section (310) is communicated with the air outlet (110), the second connecting section (320) is arranged on the inverter (200) and is provided with an air suction inlet (321) opposite to the inverter (200), and the ventilation sectional area of the first connecting section (310) is larger than that of the second connecting section (320); The air draft assembly (400) is arranged on the first connecting section (310) and is used for sucking hot air generated by the inverter (200) into the ventilation channel (300) through the air draft opening (321) and discharging the hot air out of the energy storage cabinet (100) through the air outlet (110).
  10. 10. The energy storage system according to claim 9, wherein the air inlet (120) is provided with a first shutter assembly (600) communicated with the outside, the air outlet (110) is provided with a second shutter assembly (610) communicated with the outside, a first filtering structure (700) and a second filtering structure (710) are detachably arranged in the energy storage cabinet (100), the first filtering structure (700) is located between the second shutter assembly (610) and the first connecting section (310), the second filtering structure (710) is located on one side of the first shutter assembly (600) facing the inside of the energy storage cabinet (100), and the first connecting section (310) is detachably connected with the first filtering structure (700).

Description

Ventilation device for energy storage system and energy storage system Technical Field The utility model relates to the technical field of energy storage, in particular to a ventilation device for an energy storage system and the energy storage system. Background During operation of the energy storage system, a large amount of heat is continuously generated by the battery pack, an inverter (PCS), a power distribution unit and other key electrical components. If the heat is not effectively dissipated in time, the internal temperature of the energy storage cabinet is increased sharply, so that a series of problems are caused, such as equipment performance attenuation and service life shortening, and thermal runaway risks can be caused in extreme cases, and serious threats are caused to the safety and stability of the system. The existing energy storage cabinet generally adopts a mode of combining a fan with an air duct to perform passive or active heat dissipation, and the air duct is basically a straight air duct. Although the scheme can alleviate the problem of heat accumulation to a certain extent, the heat dissipation efficiency of the heat dissipation device is obviously reduced under the high-temperature working condition, and the heat dissipation device is difficult to meet the requirements of practical application. Disclosure of utility model Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide the ventilation device for the energy storage system, which has a simple structure and high heat dissipation efficiency. The technical scheme adopted by the utility model for solving the technical problems is that the ventilation device for the energy storage system is arranged on an energy storage cabinet and used for radiating an inverter, an air outlet is arranged on the energy storage cabinet, and the ventilation device comprises: The ventilation channel is of a hollow structure and comprises a first connecting section and a second connecting section which are communicated with each other, the first connecting section is communicated with the air outlet, the second connecting section is provided with an air suction inlet opposite to the inverter, and the ventilation sectional area of the first connecting section is larger than that of the second connecting section; And the air draft assembly is arranged on the first connecting section and is used for sucking hot air generated by the inverter into the ventilation channel through the air draft port and discharging the hot air out of the energy storage cabinet through the air outlet. Further, a third connecting section is further arranged between the first connecting section and the second connecting section, the top of the third connecting section is flush with the top of the first connecting section and the top of the second connecting section, the bottom of the third connecting section is obliquely arranged, one end of the third connecting section is flush with the bottom of the first connecting section, and the other end of the third connecting section is flush with the bottom of the second connecting section. Further, the first connecting section is provided with a containing groove, at least one air outlet which is respectively communicated with the air outlet and the second connecting section is arranged on the inner wall of the containing groove, and the air exhausting component is detachably arranged in the containing groove and is opposite to the air outlet. Further, the exhaust ports are arranged in a matrix, a spacing part is arranged between every two adjacent exhaust ports, and the exhaust assembly comprises four fans which are in one-to-one correspondence with the exhaust ports. Further, the second connecting section is arranged above the inverter and abuts against the outer wall of the inverter, and the air suction inlet is opposite to and communicated with the heat dissipation hole of the inverter. Further, a buffer structure is arranged between the second connecting section and the inverter, one side of the buffer structure is abutted to the outer wall of the inverter, and the other side of the buffer structure is abutted to the outer wall of the second connecting section. Further, a plurality of reinforcing ribs are further arranged on the second connecting section, and the reinforcing ribs and the air suction inlet are in the same horizontal plane. Further, an air guide part is further arranged on one side, far away from the first connecting section, of the second connecting section, and the air guide part inclines towards the direction close to the first connecting section and forms an acute angle with the horizontal plane. The utility model aims to solve the technical problem of providing an energy storage system, which comprises: the energy storage cabinet is provided with an air outlet and an air inlet; The inverter is arranged in the energy storage cabinet; A ventilation device c