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CN-121983706-A - Mechanical buffering and heat dissipation integrated structure of energy storage battery pack in multi-energy complementary system

CN121983706ACN 121983706 ACN121983706 ACN 121983706ACN-121983706-A

Abstract

The invention relates to the technical field of a multi-energy complementary energy system, in particular to a mechanical buffering and heat dissipation integrated structure of an energy storage battery pack in the multi-energy complementary system, which comprises a shell, a base, a placing seat, a buffering component, a heat dissipation component and a discharge component, wherein the base is arranged on the shell; the base is arranged at the inner bottom of the shell, the placing seat is used for placing the energy storage battery pack, and the placing seat is fixedly connected to the base; the heat dissipation assembly comprises a fluoride liquid, a fixed ring, a rubber telescopic cylinder, a semiconductor refrigerator and a through hole, and the heat dissipation assembly can prevent performance attenuation and faults of an energy storage battery pack caused by high temperature, impact and other factors through efficient heat dissipation protection, remarkably prolong the service life of the battery pack and reduce the equipment replacement cost of a multifunctional complementary system.

Inventors

  • LV HUI
  • Zhang Duanyu
  • SHU XIN
  • CAO YUXIN
  • CHEN LI

Assignees

  • 国网湖北省电力有限公司随州供电公司

Dates

Publication Date
20260505
Application Date
20260206

Claims (7)

  1. 1. The mechanical buffering and heat dissipation integrated structure of the energy storage battery pack in the multi-energy complementary system is characterized by comprising a shell (1), a base (2), a placement seat (3), a buffering component (4), a heat dissipation component (5) and a discharge component (6), wherein the base (2) is arranged at the inner bottom of the shell (1), the placement seat (3) is used for placing the energy storage battery pack, the placement seat (3) is fixedly connected to the base (2), the buffering component (4) comprises a sliding cylinder (43), a sliding groove (44), a sliding rod (45) and a first spring (46), the sliding groove (44) is formed in the base (2), the sliding rod (45) is in sliding fit in the sliding groove (44), the sliding rod (45) is in contact with the inner wall of the sliding cylinder (43), the first spring (46) is connected to the sliding rod (45), the heat dissipation component (5) comprises a fluoride liquid (51), a fixing ring (52), a rubber telescopic cylinder (53), a semiconductor refrigerator (54) and a through hole (55), the through hole (55) is formed in the sliding cylinder (43) and is fixedly arranged on the sliding cylinder (43) on the outer side of the sliding cylinder (43), the rubber telescopic cylinder (53) is connected between the fixed ring (52) and the inner wall of the shell (1), the fluorinated liquid (51) is positioned in an area surrounded by the rubber telescopic cylinder (53), and the bottom end of the sliding cylinder (43) is immersed in the fluorinated liquid (51).
  2. 2. The integrated structure for mechanical buffering and heat dissipation of an energy storage battery pack in a multi-functional complementary system according to claim 1, wherein the discharging assembly (6) comprises a transparent rotating tube (61), a cavity (62), a limiting rod (63), a second spring (64) and a limiting groove (65), the transparent rotating tube (61) is communicated with the inside of the shell (1), the limiting groove (65) is formed in the upper end and the lower end of the transparent rotating tube (61), the cavity (62) is formed in the shell (1), the limiting rod (63) is slidably connected in the cavity (62), the front end of the limiting rod (63) is spherical, and the limiting rod can be embedded into the limiting groove (65) under the action of the second spring (64) to enable the transparent rotating tube (61) to be fixed in an upward or downward opening state.
  3. 3. The integrated structure for mechanical buffering and heat dissipation of an energy storage battery pack in a multi-functional complementary system according to claim 1, wherein the buffering component (4) further comprises a supporting rod (41) and a top plate (42), the supporting rod (41) is arranged on the shell (1), and the top plate (42) is connected to the top end of the supporting rod (41).
  4. 4. The integrated structure for mechanical buffering and heat dissipation of an energy storage battery pack in a multi-energy complementary system according to claim 1, wherein a plurality of through holes (55) are formed and uniformly distributed on the wall of the sliding cylinder (43).
  5. 5. The integrated structure for mechanical buffering and heat dissipation of an energy storage battery pack in a multi-functional complementary system according to claim 1, wherein a plurality of sliding rods (45) are arranged, and the sliding rods (45) are uniformly distributed along the circumferential direction of the sliding barrel (43).
  6. 6. The integrated mechanical buffering and heat dissipation structure of an energy storage battery pack in a multi-functional complementary system according to claim 1, wherein the drain assembly (6) further comprises a plug that removably mates with an opening of a transparent rotating tube (61).
  7. 7. The integrated structure for mechanical buffering and heat dissipation of an energy storage battery pack in a multi-functional complementary system according to claim 1, wherein the rubber telescopic tube (53) is of a flexible sealing structure, can be deformed in a telescopic manner along with the movement of the fixing ring (52), and the rubber telescopic tube (53) does not react with the fluoride liquid (51).

Description

Mechanical buffering and heat dissipation integrated structure of energy storage battery pack in multi-energy complementary system Technical Field The invention relates to the technical field of a multi-energy complementary energy system, in particular to a mechanical buffering and heat dissipation integrated structure of an energy storage battery pack in the multi-energy complementary system. Background The multi-energy complementary system is a comprehensive energy utilization system integrating various energy sources (such as photovoltaic, wind power, hydropower and the like), wherein the energy storage battery pack is a core component for realizing energy storage, peak regulation and valley filling, and the running stability of the energy storage battery pack directly determines the reliability and the safety of the whole system. However, the application scene of the multi-energy complementary system is often complex, the energy storage battery pack faces two key problems in actual operation, namely firstly, the heat dissipation problem is solved, the energy storage battery pack can continuously generate heat in the charging and discharging process, particularly under high-load operation or extreme environment, the heat accumulation is easy to cause the temperature rise of the battery, the charging and discharging efficiency and the cycle life of the battery can be reduced, thermal runaway can be caused in severe cases, safety accidents are caused, secondly, the mechanical impact protection is insufficient, the energy storage equipment of the multi-energy complementary system is often suitable for outdoor or mobile scenes and is easily influenced by external mechanical loads such as vibration and impact, the buffer performance of the traditional energy storage battery mounting structure is poor, impact energy is difficult to be effectively absorbed, and faults such as structural damage and electrode falling of the battery are possibly caused, so that the normal operation of the system is influenced. In the prior art, a separated design is mostly adopted for heat dissipation and buffer protection of an energy storage battery pack, wherein an air cooling structure, a water cooling structure or a single liquid cooling structure is mostly adopted in the heat dissipation aspect, the air cooling heat dissipation efficiency is low, the heat dissipation requirement of the high-power energy storage battery pack is difficult to meet, the water cooling structure has leakage risk, short circuit of a battery is easy to cause and is not suitable for an outdoor low-temperature environment, the heat dissipation medium of the single liquid cooling structure is limited, the battery is possibly damaged after part of the medium is contacted with the battery, and the heat dissipation system and the buffer structure are mutually independent, occupy large space and have poor suitability. In the aspect of buffering protection, the traditional buffering structure is used for buffering by adopting a single spring or a rubber pad, the buffering effect is limited, the buffering structure cannot work cooperatively with a heat dissipation system, when the battery pack is subjected to larger impact, the battery pack is still difficult to effectively protect, and meanwhile, the heat dissipation channel is possibly hindered by the arrangement of the buffering structure, so that the heat dissipation difficulty is further aggravated, and therefore, the integrated structure with high-efficiency heat dissipation, reliable mechanical buffering performance, convenient operation and strong suitability is developed for aiming at the operation requirement of the energy storage battery pack in the multi-energy complementary system, so that the technical problem is solved. Disclosure of Invention In order to solve the technical problems, the invention provides a mechanical buffering and heat dissipation integrated structure of an energy storage battery pack in a multi-energy complementary system. The technical scheme includes that the mechanical buffering and heat dissipation integrated structure of the energy storage battery pack in the multifunctional complementary system comprises a shell, a base, a placing seat, a buffering component, a heat dissipation component and a discharging component, wherein the base is arranged at the inner bottom of the shell, the placing seat is used for placing the energy storage battery pack and is fixedly connected to the base, the buffering component comprises a sliding cylinder, a sliding groove, a sliding rod and a first spring, the sliding groove is arranged on the base, the sliding rod is in sliding fit with the sliding groove, the sliding rod is in contact with the inner wall of the sliding cylinder, the first spring is connected to the sliding rod, the heat dissipation component comprises a fluorinated liquid, a fixed ring, a rubber telescopic cylinder, a semiconductor refrigerator and a through hole, the