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CN-224232722-U - Lithium iron phosphate battery heat radiation structure

CN224232722UCN 224232722 UCN224232722 UCN 224232722UCN-224232722-U

Abstract

The utility model discloses a heat dissipation structure of a lithium iron phosphate battery, which belongs to the technical field of lithium iron phosphate batteries and comprises a box body, wherein heat dissipation boxes are fixedly connected to two sides of the box body, ventilation holes are formed in the side surfaces of the heat dissipation boxes, a plurality of battery units are fixedly arranged in the box body, a fixed row is sleeved among the plurality of battery units in the same row, and a soaking block is arranged between two adjacent fixed rows. According to the lithium iron phosphate battery heat dissipation structure, the fixing and heat conduction of the battery unit are realized through the fixing row, the fixing row conducts heat of the battery unit to the soaking blocks on two sides, and then the heat pipe is conducted to the heat dissipation fins on two sides, and ventilation air blows through the heat dissipation fins to take away the heat, so that uniform heat dissipation of the battery unit is realized. Compared with the prior device, the device avoids the problem that the battery unit at the center in the battery module is difficult to dissipate heat, so that the temperature of the battery unit at the center part is too high, and the stability and the service life of the battery are improved.

Inventors

  • WU PENG
  • ZHONG CAN

Assignees

  • 安徽铎坤新能源科技有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (7)

  1. 1. The lithium iron phosphate battery heat dissipation structure comprises a box body (1) and is characterized in that heat dissipation boxes (2) are fixedly connected to two sides of the box body (1), and ventilation holes (3) are formed in the side faces of the heat dissipation boxes (2); The heat dissipation box comprises a box body (1), a plurality of battery units (4) are fixedly installed inside the box body (1), a plurality of battery units (4) are sleeved with a fixed row (5) together, soaking blocks (6) are arranged between two adjacent fixed rows (5), heat pipes (7) are fixedly arranged inside the soaking blocks (6) in a penetrating mode, two ends of each heat pipe (7) extend into a heat dissipation box (2), and a plurality of heat pipes (7) located in the heat dissipation box (2) are connected with heat dissipation fins (8) together.
  2. 2. The heat dissipation structure of lithium iron phosphate battery according to claim 1, wherein a first heat conducting pad (9) is arranged between the fixed row (5) and the battery unit (4).
  3. 3. The heat dissipation structure of lithium iron phosphate battery according to claim 2, wherein a second heat conducting pad (10) is arranged between the fixed row (5) and the soaking block (6).
  4. 4. The heat dissipation structure of lithium iron phosphate battery according to claim 1, wherein the plurality of battery cells (4) inside the case (1) are arranged in a staggered arrangement.
  5. 5. The heat dissipation structure of a lithium iron phosphate battery according to claim 1, wherein one soaking block (6) is correspondingly provided with two heat pipes (7), and the two heat pipes (7) are respectively arranged at the upper part and the lower part of the soaking block (6).
  6. 6. The heat dissipation structure of a lithium iron phosphate battery according to claim 1, wherein the side surfaces of the two most distant fixing rows (5) facing away from the soaking block (6) are attached to the inner side wall of the box body (1).
  7. 7. The heat radiation structure of the lithium iron phosphate battery according to claim 1, wherein the top wall of the inner side of the box body (1) is fixedly connected with a heat radiation plate (11) attached to the top surface of the battery, and a conductive groove (12) for inserting and electrically connecting a battery pole is formed in the bottom surface of the heat radiation plate (11).

Description

Lithium iron phosphate battery heat radiation structure Technical Field The utility model belongs to the technical field of lithium iron phosphate batteries, and particularly relates to a heat dissipation structure of a lithium iron phosphate battery. Background The lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate as a positive electrode material and carbon as a negative electrode material, and generates heat in the process of using the lithium iron phosphate battery, and when the temperature is too high, the lithium iron phosphate battery can cause explosion of the battery to influence the use, so that the lithium iron phosphate battery needs to be subjected to heat dissipation. The existing lithium iron phosphate battery is roughly divided into water cooling heat dissipation and air cooling heat dissipation, the heat dissipation effect of the water cooling heat dissipation is good, but the cost is high, the existing air cooling heat dissipation is mostly realized by additionally arranging a heat dissipation plate on the outer side of the battery module, when the battery module is in actual use, the heat dissipation of the battery unit at the inner center of the battery module is difficult, the temperature of the battery unit at the central part is too high, and the stability and the service life of the battery are influenced. Therefore, we propose a heat dissipation structure of lithium iron phosphate battery to solve the above problems. Disclosure of utility model The utility model aims to solve the problem of uneven heat dissipation in the prior art, and provides a heat dissipation structure of a lithium iron phosphate battery. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The lithium iron phosphate battery heat dissipation structure comprises a box body, wherein heat dissipation boxes are fixedly connected to two sides of the box body, and ventilation holes are formed in the side surfaces of the heat dissipation boxes; The heat dissipation device comprises a box body, a plurality of battery units, a heat soaking block, a heat pipe, a plurality of heat pipes and heat dissipation fins, wherein the battery units are fixedly installed in the box body, the battery units are sleeved with a fixed row in the same row, the heat soaking block is arranged between two adjacent fixed rows, the heat pipe is fixedly arranged in the heat soaking block in a penetrating mode, two ends of the heat pipe extend into the heat dissipation box, and the heat pipes are located in the heat dissipation box and are connected with the heat dissipation fins in a common mode. Preferably, a first heat conducting pad is arranged between the fixed row and the battery unit. Preferably, a second heat conducting pad is arranged between the fixed row and the soaking block. Preferably, a plurality of battery units in the box body are arranged in a staggered manner. Preferably, one soaking block is correspondingly provided with two heat pipes, and the two heat pipes are respectively arranged at the upper part and the lower part of the soaking block. Preferably, one side surface of the two most distant fixed rows, which faces away from the soaking block, is attached to the inner side wall of the box body. Preferably, the top wall of the inner side of the box body is fixedly connected with a heat dissipation plate attached to the top surface of the battery, and the bottom surface of the heat dissipation plate is provided with a conductive groove for inserting and electrically connecting the battery pole. In summary, the lithium iron phosphate battery heat dissipation structure has the technical effects and advantages that the fixing and heat conduction of the battery unit are realized through the fixing rows, the fixing rows conduct heat of the battery unit to the soaking blocks on two sides, and then the heat pipe is conducted to the heat dissipation fins on two sides, and ventilation air blows through the heat dissipation fins to take away the heat, so that uniform heat dissipation of the battery unit is realized. Compared with the prior device, the device avoids the problem that the battery unit at the center in the battery module is difficult to dissipate heat, so that the temperature of the battery unit at the center part is too high, and the stability and the service life of the battery are improved. Drawings FIG. 1 is a schematic cross-sectional view of the present utility model; FIG. 2 is a top view of FIG. 1; FIG. 3 is an enlarged view of FIG. 2 at A; FIG. 5 is a cross-sectional elevation view of the present utility model; Fig. 4 is a schematic view of a cross-sectional structure of a heat dissipating plate according to the present utility model. The heat-dissipating device comprises a box body 1, a heat-dissipating box 2, a vent hole 3, a battery unit 4, a fixed row 5, a soaking block 6, a heat pipe 7, a heat pipe 8, heat-dissipating fins 9,