CN218244097U

CN218244097U - Battery protection board with waterproof structure

Info

Publication number: CN218244097U
Application number: CN202222322052.3U
Authority: CN
Inventors: 陈远华
Original assignee: Huizhou Liweishi New Energy Technology Co ltd
Current assignee: Huizhou Liweishi New Energy Technology Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-06
Anticipated expiration: 2032-09-01

Abstract

The utility model provides a have waterproof construction battery protection shield. The battery protection board with the waterproof structure comprises a protection box and a battery protection board main body. The utility model provides a have waterproof construction battery protection shield, run through the one end through with dustproof stopper and insert in the logical inslot of apron, laminate the both sides of sealing washer in one side of circuit interface and apron respectively, cavity sealing connection in logical groove and the protection box of messenger's apron, there are two sets of waterproof ventilated membranes on the top of protection box cavity through bolt fixed mounting respectively, two sets of waterproof ventilated membranes respectively with the corresponding setting of thermovent of protection box upper surface, can in time give off the heat in the protection box through setting up waterproof ventilated membrane, lower surface at the battery protection shield main part is equipped with the radiating piece, respectively with fin and integrated package cartridge and weld to the battery protection shield through copper pin, the fin adopts the better copper matter piece of thermal diffusivity to improve the radiating effect of battery protection shield main part.

Description

Battery protection board with waterproof structure

Technical Field

The utility model relates to a battery protection shield technical field especially relates to a battery protection shield with waterproof construction.

Background

The lithium battery protection board is mainly an integrated circuit board which can protect the rechargeable battery. The need for protection of lithium batteries is determined by its own characteristics. Because the material of lithium cell itself has decided it can not by overcharge, overdischarge, overflow, short circuit and ultra-high temperature charge-discharge, consequently lithium cell subassembly always can follow the protection shield of taking sampling resistance and a slice current fuse appears.

The existing battery protection board is usually directly connected with a battery, a protection structure is not additionally arranged on the battery protection board, dust, sundries, water and the like are prevented from contacting the battery protection board, electronic components on the battery protection board are directly exposed outside, the battery protection board is easily damaged, the service life of the battery protection board is shortened, and the safety during use is reduced.

Therefore, it is necessary to provide a new battery protection plate with a waterproof structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a have waterproof construction battery protection shield.

The utility model provides a have waterproof construction battery protection shield includes protection box and battery protection shield main part, the one end of protection box is the open-type, and the one end of protection box has the apron through bolt demountable installation, the spout has all been seted up to the inner wall of protection box both sides, battery protection shield main part sliding connection is in the spout of protection box inner wall, and the lower surface of battery protection shield main part is equipped with the heat dissipation piece, the thermovent has been seted up to the upper surface symmetry of protection box, there are two sets of waterproof ventilated membranes on the top of protection box cavity through bolt fixed mounting respectively, two sets of waterproof ventilated membranes respectively with the corresponding setting of thermovent of protection box upper surface.

Furthermore, circuit interfaces and a plurality of groups of electronic elements are welded on the upper surface of the main body of the battery protection plate respectively, and a three-proofing paint coating is arranged on the outer surface of the main body of the battery protection plate.

Furthermore, one side of the cover plate is fixedly connected with a waterproof silica gel pad, and one side of the cover plate is provided with a through groove corresponding to the circuit interface.

Furthermore, a sealing ring is arranged between the circuit interface and the cover plate, and two sides of the sealing ring are respectively attached to one side of the circuit interface and one side of the cover plate.

Further, the top fixedly connected with base of protection box, the top of base are equipped with flexible silica gel area, and the one end fixedly connected with dust plug in flexible silica gel area, the one end of dust plug run through insert in the logical inslot of apron one side.

Further, the radiating piece comprises a radiating fin, an integrated block, a spring washer and a screw, a heat conduction silica gel coating is arranged between the radiating fin and the battery protection board main body, the spring washer is sleeved on the outer surface of the screw, and the radiating fin and the integrated block are fixedly installed through the screw.

Furthermore, a plurality of groups of copper pins are arranged at one end of each of the radiating fins and the integrated blocks, and one end of each copper pin is welded on the lower surface of the battery protection plate main body.

Compared with the prior art, the utility model provides a have waterproof construction battery protection shield has following beneficial effect:

the utility model provides a have waterproof construction battery protection shield, when concrete implementation, with the sliding spout department of inserting in the protection box of battery protection shield main part, and pass through the bolt fastening with the protection box with the apron as an organic whole, and then protect inside battery protection shield main part, through the one end with the dust plug and run through the logical inslot of inserting in the apron, laminate the both sides of sealing washer in one side of circuit interface and apron respectively, make the logical groove of apron and the cavity sealing connection in the protection box, there are two sets of waterproof ventilated membranes on the top of protection box cavity through bolt fixed mounting respectively, two sets of waterproof ventilated membranes set up with the thermovent of protection box upper surface corresponding respectively, can in time give off the heat in the protection box through setting up waterproof ventilated membrane, lower surface in battery protection shield main part is equipped with the radiating piece, respectively with fin and integrated package cartridge and welding to the battery through the copper pin, the fin adopts better copper quality piece to improve the radiating effect protection shield of battery main part.

Drawings

Fig. 1 is a first schematic structural diagram of a preferred embodiment of a battery protection board with a waterproof structure according to the present invention;

fig. 2 is a schematic structural diagram of a battery protection plate with a waterproof structure according to a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the protective case shown in FIG. 1;

fig. 4 is a schematic structural view of the battery protection plate main body shown in fig. 2;

fig. 5 is a schematic structural view of the heat sink shown in fig. 4.

Reference numbers in the figures: 1. a protection box; 2. a battery protection plate main body; 3. a cover plate; 4. a heat sink; 5. a heat dissipation port; 6. a waterproof breathable film; 7. a circuit interface; 8. an electronic component; 9. a waterproof silica gel pad; 10. a seal ring; 11. a base; 12. a flexible silicone tape; 13. a dust plug; 14. a heat sink; 15. integrating the blocks; 16. a spring washer; 17. a screw; 18. and a copper pin.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a first structural diagram of a preferred embodiment of the battery protection board with a waterproof structure according to the present invention; fig. 2 is a schematic structural diagram of a battery protection plate with a waterproof structure according to a preferred embodiment of the present invention; FIG. 3 is a schematic structural view of the protective case shown in FIG. 1; fig. 4 is a schematic structural view of the battery protection plate main body shown in fig. 2; fig. 5 is a schematic structural view of the heat sink shown in fig. 4. The method comprises the following steps: a protection case 1 and a battery protection board body 2.

In a specific implementation process, as shown in fig. 1-3, one end of a protection box 1 is open, a cover plate 3 is detachably mounted at one end of the protection box 1 through a bolt, sliding grooves are formed in inner walls of two sides of the protection box 1, a battery protection board main body 2 is slidably connected in the sliding grooves of the inner wall of the protection box 1, a heat dissipation part 4 is arranged on a lower surface of the battery protection board main body 2, heat dissipation ports 5 are symmetrically formed in an upper surface of the protection box 1, two groups of waterproof breathable films 6 are fixedly mounted on top ends of a cavity of the protection box 1 through bolts respectively, the two groups of waterproof breathable films 6 correspond to the heat dissipation ports 5 in the upper surface of the protection box 1 respectively, a circuit interface 7 and a plurality of groups of electronic elements 8 are welded on the upper surface of the battery protection board main body 2 respectively, a waterproof silicone gasket 9 is fixedly connected to one side of the cover plate 3, a through groove corresponding to the circuit interface 7 is formed in one side of the cover plate 3, a sealing ring 10 is arranged at a position between the circuit interface 7 and the cover plate 3, two sides of the sealing ring 10 are respectively attached to one side of the circuit interface 7 and one end of the cover plate 3 is connected to the through groove 13, a flexible silicone gasket 12, and one end of the dustproof sealing ring 3 is inserted into the through groove 13.

Referring to fig. 4 to 5, a heat conductive silicone coating is provided between the heat sink 14 and the battery protection board main body 2, a spring washer 16 is sleeved on an outer surface of the screw 17, the heat sink 14 and the integrated block 15 are fixedly mounted by the screw 17, a plurality of groups of copper pins 18 are provided at one end of the heat sink 14 and one end of the integrated block 15, one end of each copper pin 18 is welded to the lower surface of the battery protection board main body 2, the heat sink 14 and the integrated block 15 are respectively inserted and welded to the battery protection board through the copper pins 18, and the heat sink 14 adopts a copper block with good heat dissipation performance to improve the heat dissipation effect of the battery protection board main body 2.

The utility model provides a theory of operation as follows: in the use, slide battery protection shield main part 2 and run through the spout department of inserting in protection box 1, and pass through bolt fastening with apron 3 and protection box 1 as an organic whole, and then protect inside battery protection shield main part 2, run through the one end of preventing dust stopper 13 and insert in the logical inslot of apron 3, laminate the both sides of sealing washer 10 respectively in one side of circuit interface 7 and apron 3, make the logical groove of apron 3 and the cavity sealing connection in the protection box 1, the surface of battery protection shield main part 2 is equipped with the lacquer coating, the three-proofing lacquer is used for protecting circuit board and relevant equipment to avoid the erosion of environment, can become one deck transparent protection film after the three-proofing lacquer solidification, and have dampproofing, anticreep, dustproof performance, improve the water-proof effects of battery protection shield to a certain extent, there are two sets of waterproof ventilated membrane 6 on the top of protection box 1 cavity through bolt fixed mounting respectively, two sets of waterproof ventilated membrane 6 respectively with the thermovent 5 corresponding settings of protection box 1 upper surface, can in time distribute the heat in protection box 1 through setting up waterproof ventilated membrane 6, be equipped with copper pin 18 and heat dissipation piece 14 and the heat sink of battery protection shield 15 and better heat radiation integrated block of adopting the better heat dissipation.

The utility model discloses in circuit and control that relate to be prior art, do not carry out too much repeated description here.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a have waterproof construction battery protection shield, including protection box (1) and battery protection shield main part (2), a serial communication port, the one end of protection box (1) is the open-type, and there is apron (3) one end of protection box (1) through bolt demountable installation, the spout has all been seted up to the inner wall of protection box (1) both sides, battery protection shield main part (2) sliding connection is in the spout of protection box (1) inner wall, and the lower surface of battery protection shield main part (2) is equipped with heat dissipation piece (4), thermovent (5) have been seted up to the upper surface symmetry of protection box (1), there are two sets of waterproof ventilated membrane (6) on the top of protection box (1) cavity through bolt difference fixed mounting, two sets of waterproof ventilated membrane (6) respectively with the corresponding setting in thermovent (5) of protection box (1) upper surface.

2. The battery protection plate with the waterproof structure as claimed in claim 1, wherein the upper surface of the battery protection plate main body (2) is welded with the circuit interface (7) and the plurality of sets of electronic components (8), respectively, and the outer surface of the battery protection plate main body (2) is provided with a three-proofing paint coating.

3. The battery protection plate with the waterproof structure as claimed in claim 1, wherein a waterproof silicone pad (9) is fixedly connected to one side of the cover plate (3), and a through groove corresponding to the circuit interface (7) is formed in one side of the cover plate (3).

4. The battery protection plate with the waterproof structure as claimed in claim 2, wherein a sealing ring (10) is disposed between the circuit interface (7) and the cover plate (3), and two sides of the sealing ring (10) are respectively attached to one side of the circuit interface (7) and one side of the cover plate (3).

5. The battery protection plate with the waterproof structure according to claim 1, wherein a base (11) is fixedly connected to a top end of the protection box (1), a flexible silicone tape (12) is disposed on the top end of the base (11), a dust plug (13) is fixedly connected to one end of the flexible silicone tape (12), and one end of the dust plug (13) is inserted into the through groove on one side of the cover plate (3).

6. The battery protection plate with the waterproof structure as claimed in claim 1, wherein the heat sink (4) comprises a heat sink (14), a manifold block (15), a spring washer (16) and a screw (17), a heat conductive silicone coating is disposed between the heat sink (14) and the battery protection plate main body (2), the spring washer (16) is sleeved on an outer surface of the screw (17), and the heat sink (14) and the manifold block (15) are fixedly mounted by the screw (17).

7. The battery protection plate with the waterproof structure as claimed in claim 6, wherein the heat sink (14) and one end of the manifold block (15) are each provided with a plurality of sets of copper pins (18), and one end of the copper pins (18) is welded to the lower surface of the battery protection plate main body (2).