Heat dissipation structure of BMS (battery management system) board of energy storage battery

Abstract

The utility model relates to the technical field of BMS plate heat dissipation, and provides an energy storage battery BMS plate heat dissipation structure which comprises a box body, a partition plate fixedly installed at the lower end of the interior of the box body, a plurality of heat dissipation holes formed in the outer surface of the partition plate, a BMS plate body fixedly installed at the center of the top of the partition plate, and two sliding grooves, the two sliding grooves are formed in the centers of the two sides of the partition plate, and adjusting screw rods are movably embedded in the two sliding grooves. The BMS board body is installed on the outer surface of the partition plate, the partition plate is fixedly installed in the box body and keeps a certain distance from the bottom end in the box body, in this way, air circulation can be better kept, the heat dissipation effect is improved, the bottom of the BMS board body can be better cooled, a plurality of heat dissipation holes are formed in the outer surface of the partition plate, the heat dissipation effect can be improved, and the service life of the BMS board body is prolonged. The adjusting screw can be rotated through the two adjusting wheels to drive the sliding block to move in the sliding groove, and the sliding block can drive the L-shaped cooling fins to be attached to the outer surface of the BMS plate body.

Description

Technical Field

[0001] This utility model relates to the field of BMS board heat dissipation technology, and in particular to a heat dissipation structure for an energy storage battery BMS board. Background Technology

[0002] The heating element of an energy storage battery pack consists of the battery cells and the BMS board. When the energy storage battery pack is working normally, the battery cells and the BMS board will generate heat due to power loss. Among them, the heat generated by the BMS board is the most harmful and seriously affects the product's lifespan.

[0003] However, in the existing technology, most energy storage battery BMS boards are fixedly installed at the bottom of the battery box cavity, which results in low heat dissipation at the bottom of the energy storage battery BMS board. Over time, this can easily reduce the service life of the energy storage battery BMS board. Moreover, the heat sink for dissipating heat from the energy storage battery BMS board is directly installed on its outer surface, which is inconvenient to disassemble and install when maintenance is required, thus reducing maintenance efficiency. Utility Model Content

[0004] The purpose of this invention is to solve the problems in the prior art where most energy storage battery BMS boards are fixedly installed at the bottom of the battery box cavity, resulting in low heat dissipation at the bottom of the energy storage battery BMS board, which can easily reduce the service life of the energy storage battery BMS board over time. In addition, the heat sink for dissipating heat from the energy storage battery BMS board is directly installed on its outer surface, which is inconvenient to disassemble and install when it is needed for maintenance, thus reducing maintenance efficiency.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a heat dissipation structure for a battery storage system (BMS) board, comprising: a housing, wherein a partition is fixedly installed at the lower end of the housing, the outer surface of the partition has multiple heat dissipation holes, and a BMS board body is fixedly installed at the top center of the partition, and further comprising:

[0006] Two sliding grooves are opened at the center of both sides of the partition. An adjusting screw is movably embedded inside the two sliding grooves. The opposite ends of the two adjusting screws penetrate the box body. An adjusting wheel is fixedly installed at one end of each adjusting screw.

[0007] Both sliders are movably mounted on the outer surfaces of the two adjusting screws, and L-shaped heat sinks are fixedly installed on the top of both sliders.

[0008] Preferably, ventilation openings are provided at the lower ends of both sides of the box body, and a dustproof mesh plate is fixed inside each of the two ventilation openings.

[0009] The technical effects of the further scheme are that the heat dissipation fan can discharge the heat in the box body through the two ventilation openings, and the dustproof net plate one is fixedly arranged in the two ventilation openings, so that the flying objects can be prevented from entering the box body.

[0010] Preferably, a through slot is arranged at the upper end of one side of the box body, and a heat dissipation fan is arranged in the through slot.

[0011] The technical effects of the further scheme are that the heat dissipation fan can discharge the heat in the box body through the two ventilation openings, and the dustproof net plate one is fixedly arranged in the two ventilation openings, so that the flying objects can be prevented from entering the box body.

[0012] Preferably, L-shaped clamping plates are fixedly arranged at the two sides of the outer surface of the through slot, and the dustproof net plate two is movably arranged in the L-shaped clamping plates, and limiting holes are arranged at the two sides of the upper end of the dustproof net plate two.

[0013] The technical effects of the further scheme are that the dustproof net plate two is movably arranged in the L-shaped clamping plates, so that the through slot can be protected, and the dust and impurities can be prevented from entering the through slot and damaging the heat dissipation fan.

[0014] Preferably, limiting pins are movably arranged at the outer surfaces of the two L-shaped clamping plates.

[0015] The technical effects of the further scheme are that the limiting pins can be pulled out of the limiting holes, and the dustproof net plate two can be removed.

[0016] Preferably, springs are fixedly connected to the outer surfaces of the two limiting pins, and the other ends of the two springs are fixedly arranged on the outer surfaces of the L-shaped clamping plates.

[0017] The technical effects of the further scheme are that the limiting pins are arranged in the limiting holes under the elastic force of the springs, so that the dustproof net plate two can be limited and fixed, and the dustproof net plate two can be more stably arranged in the L-shaped clamping plates.

[0018] Compared with the prior art, the utility model has the advantages and positive effects that,

[0019] 1. In the utility model, the BMS plate body is arranged on the outer surface of the partition plate, the partition plate is fixedly arranged in the box body, and the bottom end in the box body is kept at a distance, so that the air circulation is better, the heat dissipation effect is improved, the bottom of the BMS plate body is better cooled, the outer surface of the partition plate is provided with a plurality of heat dissipation holes, the heat dissipation effect is improved, the sliding block is driven to move in the sliding groove through the rotation of the adjusting wheels and the driving of the adjusting screw, the sliding block can drive the L-shaped heat dissipation fins to be attached to the outer surface of the BMS plate body, and the BMS plate body is better cooled.

[0020] 2. The utility model discloses, open heat dissipation fan can be to the BMS board main part of the inside of box body heat dissipation cooling, and the heat dissipation fan exports the heat of the inside of box body through two ventilation openings, and two ventilation openings are all fixed and embedded with dust screen board no. 1, can prevent the flying object from entering the box body, and dust screen board no. 2 is movably embedded in the inside of L-shaped clamping plate, can protect the through groove, prevent dust impurity from entering the through groove and causing damage to the heat dissipation fan, pull two limit pins and remove from the inside of limiting hole, can take down dust screen board no. 2, then carry out regular cleaning, improve the ventilation effect, and the limit pin is embedded in the inside of limiting hole under the elastic force of spring, can limit and fix dust screen board no. 2, make it more stably embedded in the inside of L-shaped clamping plate. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model proposes a kind of structure schematic diagram of energy storage battery BMS board heat dissipation structure;

[0022] Figure 2 The utility model proposes an explosion structure schematic diagram of energy storage battery BMS board heat dissipation structure;

[0023] Figure 3 The utility model proposes a kind of sectional structure schematic diagram of energy storage battery BMS board heat dissipation structure;

[0024] Figure 4 The utility model proposes a kind of energy storage battery BMS board heat dissipation structure Figure 2 Amplification structure schematic diagram in the middle A.

[0025] LEGEND:

[0026] 1, box body;101, BMS board main part;102, L-shaped radiating fin;103, L-shaped clamping plate;104, dust screen board no. 2;105, adjusting wheel;106, ventilation opening;107, dust screen board no. 1;108, adjusting screw;109, baffle;110, heat dissipation hole;111, sliding slot;112, through groove;113, limit pin;114, spring;115, limiting hole;116, heat dissipation fan;117, sliding block. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model can also be implemented in other ways different from those described herein, therefore, the present utility model is not limited to the specific embodiments disclosed in the following specification.

[0029] Example 1, such as Figures 1-4 As shown, this utility model provides a heat dissipation structure for a battery management system (BMS) board, including: a box body 1, a partition 109 fixedly installed at the lower end of the box body 1, multiple heat dissipation holes 110 opened on the outer surface of the partition 109, and a BMS board body 101 fixedly installed at the top center of the partition 109; it also includes: two sliding grooves 111, both opened at the center of both sides of the partition 109, with adjusting screws 108 movably embedded inside the two sliding grooves 111, the opposite ends of the two adjusting screws 108 penetrating the box body 1, and adjusting wheels 105 fixedly installed at one end of each of the two adjusting screws 108; two sliders 117, both movably sleeved on the outer surface of the two adjusting screws 108, with L-shaped heat sinks 102 fixedly installed on the top of each of the two sliders 117; and ventilation openings 106 opened at the lower ends of both sides of the box body 1, with dustproof mesh plates 107 fixedly installed inside each of the two ventilation openings 106.

[0030] In this embodiment, the BMS board body 101 is mounted on the outer surface of the partition 109, and the partition 109 is fixedly mounted inside the box 1, maintaining a certain distance from the bottom of the box 1. This allows for better air circulation, improves heat dissipation, and better cools the bottom of the BMS board body 101. The outer surface of the partition 109 has multiple heat dissipation holes 110, which can improve the heat dissipation effect. Two adjusting wheels 105 can rotate the adjusting screw 108 to drive the slider 117 to move inside the slide groove 111. The slider 117 can drive the L-shaped heat sink 102 to fit against the outer surface of the BMS board body 101, thus better dissipating heat from the BMS board body 101.

[0031] Example 2, as Figures 1-4 As shown, a through groove 112 is provided on the upper end of one side of the box body 1, and a heat dissipation fan 116 is provided inside the through groove 112; L-shaped clamping plates 103 are fixedly installed on both sides of the outer surface of the box body 1 near the through groove 112, and dustproof mesh plates 104 are movably embedded inside the two L-shaped clamping plates 103. Limiting holes 115 are provided on both sides of the dustproof mesh plates 104 near the upper end; limiting pins 113 are movably embedded on the outer surface of the two L-shaped clamping plates 103 near the upper end; springs 114 are fixedly connected to the outer surface of the two limiting pins 113, and the other ends of the two springs 114 are fixedly installed on the outer surface of the L-shaped clamping plates 103.

[0032] In this embodiment, the cooling fan 116 can cool the BMS board body 101 inside the box body 1. The cooling fan 116 can discharge the heat inside the box body 1 through the two ventilation openings 106. The two ventilation openings 106 are fixedly embedded with dust screen plates 107, which can prevent flying objects from entering the box body 1. The dust screen plate 104 is movably embedded in the L-shaped clamping plate 103, which can protect the through slot 112 and prevent dust and impurities from entering the through slot 112 and damaging the cooling fan 116. By pulling the two limiting pins 113 out of the limiting holes 115, the dust screen plate 104 can be removed and then cleaned regularly to improve the ventilation effect. The limiting pins 113 are embedded in the limiting holes 115 under the elastic force of the springs 114, which can limit and fix the dust screen plate 104 and make it more stably embedded in the L-shaped clamping plate 103.

[0033] Working principle: when in use, the BMS board body 101 is installed on the outer surface of the partition plate 109, which is fixedly installed inside the box body 1 and maintains a distance from the bottom end inside the box body 1. This can better maintain air circulation and improve the cooling effect, and better cool the bottom of the BMS board body 101. The outer surface of the partition plate 109 is provided with a plurality of heat dissipation holes 110, which can improve the cooling effect. The two adjusting wheels 105 can rotate the adjusting screw 108 to drive the sliding block 117 to move in the sliding groove 111. The sliding block 117 can drive the L-shaped heat sink 102 to be in close contact with the outer surface of the BMS board body 101, which can better cool the BMS board body 101. The cooling fan 116 can cool the BMS board body 101 inside the box body 1. The cooling fan 116 can discharge the heat inside the box body 1 through the two ventilation openings 106. The two ventilation openings 106 are fixedly embedded with dust screen plates 107, which can prevent flying objects from entering the box body 1. The dust screen plate 104 is movably embedded in the L-shaped clamping plate 103, which can protect the through slot 112 and prevent dust and impurities from entering the through slot 112 and damaging the cooling fan 116. By pulling the two limiting pins 113 out of the limiting holes 115, the dust screen plate 104 can be removed and then cleaned regularly to improve the ventilation effect. The limiting pins 113 are embedded in the limiting holes 115 under the elastic force of the springs 114, which can limit and fix the dust screen plate 104 and make it more stably embedded in the L-shaped clamping plate 103.

[0034] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An energy storage battery BMS board heat dissipation structure, comprising: The utility model provides a box body (1), the inside lower end of box body (1) is fixedly installed with the baffle (109), a plurality of heat dissipation holes (110) are seted up on the outer surface of baffle (109), BMS board main part (101) is fixedly installed at the top center of baffle (109), characterized by further comprising: Two sliding grooves (111) are seted up in the center of both sides of baffle (109), two adjusting screw rods (108) are movably embedded in the inside of two sliding grooves (111), the opposite ends of two adjusting screw rods (108) are all penetrated through box body (1), and one end of two adjusting screw rods (108) is fixedly installed with adjusting wheel (105). Two sliding blocks (117) are movably sleeved on the outer surface of two adjusting screw rods (108), and the top of two sliding blocks (117) is fixedly installed with L-shaped heat dissipation fin (102).

2. The energy storage battery BMS board heat dissipation structure according to claim 1, characterized in that: The lower end of both sides of box body (1) is seted up with vent (106), and the inside of two vent (106) is fixed with dust screen plate no.

3. The energy storage battery BMS board heat dissipation structure of claim 1, wherein: The upper end of one side of box body (1) is seted up with through groove (112), and the inside of through groove (112) is provided with heat dissipation fan (116).

4. The energy storage battery BMS board heat dissipation structure of claim 1, wherein: The outer surface of both sides of box body (1) near through groove (112) is fixedly installed with L-shaped clamping plate (103), and the inside of two L-shaped clamping plate (103) is movably embedded with dust screen plate no.

5. The energy storage battery BMS board heat dissipation structure according to claim 4, characterized in that: The outer surface of both sides of two L-shaped clamping plate (103) near upper end is movably embedded with limit pin (113).

6. The energy storage battery BMS board heat dissipation structure of claim 5, wherein: The outer surface of two limit pin (113) is fixedly connected with spring (114), and the other end of two spring (114) is fixedly installed on the outer surface of L-shaped clamping plate (103).

Images