CN213401309U

CN213401309U - BMS protection shield is used in battery high temperature protection

Info

Publication number: CN213401309U
Application number: CN202022561860.6U
Authority: CN
Inventors: 陈伟
Original assignee: Chuxin Micro Shenzhen Technology Co ltd
Current assignee: Chuxin Micro Shenzhen Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-08
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a BMS protection plate for protecting high temperature of a battery, which comprises an open protection shell, wherein a battery body is fixedly arranged on the upper end surface of the open protection shell, both ends of one side of the upper surface of the battery body are provided with wiring end heads, and mounting grooves are arranged on four sides of the outer wall of the open protection shell; the utility model has the advantages that: compared with the traditional mode, the design has the advantages that the heat dissipation mechanisms are arranged on the four sides of the battery body, so that when the battery is used, the heat can be extracted by the aid of the heat dissipation fans on the four sides and the action of the fan blades of the heat dissipation fans, and safety accidents caused by overhigh temperature of the battery body during operation are prevented; and set up buffering protection mechanism, when the battery body accident dropped or collided like this, utilize the cushioning effect of buffer spring among the first cushion body, the second cushion body, can prevent that battery body from being broken or colliding to the life of improvement battery body.

Description

BMS protection shield is used in battery high temperature protection

Technical Field

The utility model relates to a BMS protection shield, in particular to BMS protection shield is used in battery high temperature protection.

Background

The battery is a part of space of a cup, a groove or other container or a composite container which is filled with electrolyte solution and metal electrodes to generate current, and is a device capable of converting chemical energy into electric energy, and the device is provided with a positive electrode and a negative electrode;

the battery need carry out all-round monitoring through the BMS protection shield when using, BMS is battery management system promptly, and it is the tie between battery and the user, and the main object is secondary battery, is in order to improve the utilization ratio of battery, prevents that overcharge and overdischarge from appearing in the battery, prolongs the life of battery, monitors the state of battery. With the development of the battery management system, other functions can be added;

at present, batteries can generate heat when working, and safety accidents can be caused if the batteries are not timely discharged, most of the heat dissipation of the traditional BMS protection plates are provided with heat dissipation holes to dissipate heat of the batteries, and the heat dissipation effect is poor only by single-side heat dissipation, and most of the BMS protection plates are not provided with a buffer mechanism, so that the batteries are easily damaged to a certain extent;

therefore, in view of the above problems, a BMS protection plate for high temperature protection of a battery has been designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a BMS protection shield is used in battery high temperature protection to solve the present that proposes in the above-mentioned background art, the battery can produce the heat in work, if untimely discharge can produce the incident, traditional BMS protection shield is seted up the thermovent to dispel the heat to the battery for the heat dissipation of battery mostly, and only lean on the single face to dispel the heat moreover, radiating effect is not good like this, and most of BMS protection shields do not set up buffer gear, cause the problem of certain damage for the battery like this very easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a BMS protection shield for battery high temperature protection, includes uncovered protective housing, the up end fixed mounting of uncovered protective housing has battery body, and battery body's upper surface one side both ends all are equipped with the terminal, the mounting groove has all been seted up on the outer wall four sides of uncovered protective housing, and the inside of mounting groove is equipped with heat dissipation mechanism simultaneously, heat dissipation mechanism includes fixed ear, fixed ear is equipped with a plurality of groups, every group the quantity of fixed ear is four, two liang of while are in proper order from last fixed mounting in the both sides of mounting groove down, all seted up the second mounting hole on the fixed ear, all there is the heat dissipation fan through fastening screw fixed mounting on every group fixed ear simultaneously, the heat dissipation fan is connected with the inside circuit board electricity of battery body, the inside of uncovered protective housing is equipped with buffering protection mechanism, and buffering protection mechanism, The first cushion body is fixedly arranged on the inner wall of the bottom end face of the open protective shell, and meanwhile, a plurality of rows of cushion springs are sequentially and fixedly arranged in the first cushion body.

As a preferred technical scheme of the utility model, first mounting hole has all been seted up to battery body's apron four corners department, the third mounting hole has all been seted up to uncovered protective housing's up end four corners department, and the hole site of first mounting hole, third mounting hole is corresponding simultaneously, battery body passes through fastening screw and uncovered protective housing fixed connection.

As an optimized technical scheme of the utility model, the up end of uncovered protective housing is equipped with the round sealing washer.

As a preferred technical scheme of the utility model, the second cushion body is equipped with eight, two fixed mounting are in the both sides of every internal face of uncovered protective housing respectively simultaneously, the inside of the second cushion body is from last to having a plurality of buffer spring down fixed mounting in proper order.

As an optimized technical scheme of the utility model, battery body's apron up end fixed mounting has the siren, and the siren is connected with battery body internal circuit board electricity simultaneously.

As an optimal technical scheme of the utility model, the equal fixed mounting of notch department of mounting groove has the net.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a BMS protection shield for battery high temperature protection, this design compares in traditional mode, all sets up the heat dissipation mechanism at the four sides of battery body, like this when the battery is in the use, utilizes a plurality of heat dissipation fans of four sides, utilizes the effect of heat dissipation fan flabellum, can take out the heat to prevent that battery body from taking place the incident because of the high temperature at the during operation; and set up buffering protection mechanism, when the battery body accident dropped or collided like this, utilized buffer spring's cushioning effect in the first cushion body, the second cushion body, can prevent that battery body from being broken or colliding to improve battery body's life, had that the radiating effect is good, the protection is effectual, waterproof nature is good, be convenient for installation and the characteristics of dismantling.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional connection structure of the present invention;

FIG. 3 is a schematic view of the side connection structure of the present invention;

fig. 4 is a schematic view of the cross-sectional top view of the local connection structure of the present invention.

In the figure: 1. an open protective shell; 2. a first mounting hole; 3. a terminal end; 4. an alarm; 5. a battery body; 6. mounting grooves; 7. a heat dissipation mechanism; 71. fixing the ear; 72. a second mounting hole; 73. a heat dissipation fan; 8. a buffer protection mechanism; 81. a first cushion body; 82. a second cushion body; 83. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a BMS protection plate for protecting a battery at a high temperature, comprising an open protection case 1, a battery body 5 is fixedly installed on an upper end surface of the open protection case 1, both ends of one side of an upper surface of the battery body 5 are provided with terminal ends 3, four sides of an outer wall of the open protection case 1 are provided with mounting grooves 6, a heat dissipation mechanism 7 is arranged inside the mounting grooves 6, the heat dissipation mechanism 7 comprises fixing lugs 71, the fixing lugs 71 are provided with a plurality of groups, the number of the fixing lugs 71 in each group is four, two fixing lugs are respectively and fixedly installed on both sides of the mounting grooves 6 from top to bottom in sequence, the fixing lugs 71 are provided with second mounting holes 72, meanwhile, a heat dissipation fan 73 is fixedly installed on each group of the fixing lugs 71 through fastening screws, the heat dissipation fan 73 is electrically connected with a circuit board inside the battery body 5, meanwhile, the buffer protection mechanism 8 comprises a first buffer cushion body 81 and a second buffer cushion body 82, the first buffer cushion body 81 is fixedly installed on the inner wall of the bottom end surface of the open protection shell 1, and meanwhile, a plurality of rows of buffer springs 83 are sequentially and fixedly installed inside the first buffer cushion body 81.

Wherein, first mounting hole 2 has all been seted up to battery body 5's apron four corners department, and the third mounting hole has all been seted up to uncovered protective housing 1's up end four corners department, and the hole site of first mounting hole 2, third mounting hole is corresponding simultaneously, and battery body 5 sets up first mounting hole 2, third mounting hole and is used for installation and dismantlement through fastening screw and uncovered protective housing 1 fixed connection.

Wherein, the up end of uncovered protective housing 1 is equipped with the round sealing washer, sets up the sealing washer and can improve waterproof performance.

Eight second cushion bodies 82 are arranged, two of the second cushion bodies are fixedly arranged on two sides of each inner wall surface of the open protective shell 1, a plurality of buffer springs 83 are fixedly arranged inside the second cushion bodies 82 from top to bottom in sequence, and the second cushion bodies 82 and the buffer springs 83 are arranged for protecting the battery body 5.

Wherein, battery body 5's apron up end fixed mounting has siren 4, and siren 4 is connected with battery body 5 internal circuit board electricity simultaneously, can trigger siren 4 when the high temperature like this and report to the police and indicate.

Wherein, the groove openings of the mounting grooves 6 are fixedly provided with grids.

When in specific use, the utility model relates to a BMS protection plate for protecting the high temperature of the battery,

the first step is as follows: firstly, the whole device is placed at a specified position, then the first cushion body 81 is installed on the inner wall of the bottom end of the open protective shell 1, the eight second cushion bodies 82 are installed on the inner wall surface of the open protective shell 1, and then the battery body 5 is placed in the open protective shell 1, so that the cushion springs 83 in the first cushion body 81 and the second cushion bodies 82 are in a compressed state and are in contact with the outer wall surface of the battery body 5;

the second step is that: a sealing ring is placed at the edge of the port of the open protective shell 1, and a cover plate of the battery body 5 is connected with the open protective shell 1 by using a fastening screw, so that the sealing effect can be improved by using the sealing ring, and water is prevented from entering;

compared with the traditional mode, the design has the advantages that the heat dissipation mechanisms 7 are arranged on four sides of the battery body 5, so that when the battery is used, the heat can be extracted by using the plurality of heat dissipation fans 73 on the four sides and the fan blades of the heat dissipation fans 73, and the safety accidents caused by overhigh temperature of the battery body 5 during work are prevented; and the buffering protection mechanism 8 is arranged, so that when the battery body 5 is accidentally dropped or collided, the battery body 5 can be prevented from being broken or being damaged by collision by the buffering action of the buffer springs 83 in the first and second

buffer cushion bodies

81 and 82, and the service life of the battery body 5 is prolonged.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a BMS protection shield for battery high temperature protection, includes open protective housing (1), its characterized in that: the battery body (5) is fixedly mounted on the upper end face of the open protective shell (1), the two ends of one side of the upper surface of the battery body (5) are respectively provided with a terminal (3), the four sides of the outer wall of the open protective shell (1) are respectively provided with a mounting groove (6), the inside of the mounting groove (6) is provided with a heat dissipation mechanism (7), the heat dissipation mechanism (7) comprises a plurality of groups of fixing lugs (71), each group of fixing lugs (71) is provided with four fixing lugs (71), the fixing lugs (71) are respectively and sequentially arranged on two sides of the mounting groove (6) from top to bottom, the fixing lugs (71) are respectively provided with a second mounting hole (72), meanwhile, each group of fixing lugs (71) is fixedly provided with a heat dissipation fan (73) through a fastening screw, the heat dissipation fan (73) is electrically connected with a circuit board inside the battery body (5), and the inside of the open protective shell (1) is, meanwhile, the buffer protection mechanism (8) comprises a first buffer cushion body (81) and a second buffer cushion body (82), the first buffer cushion body (81) is fixedly installed on the inner wall of the bottom end face of the open protection shell (1), and meanwhile, a plurality of rows of buffer springs (83) are sequentially and fixedly installed inside the first buffer cushion body (81).

2. The BMS protective plate for high temperature protection of a battery according to claim 1, wherein: first mounting hole (2) have all been seted up to the apron four corners department of battery body (5), the third mounting hole has all been seted up to the up end four corners department of uncovered protective housing (1), and the hole site of first mounting hole (2), third mounting hole is corresponding simultaneously, battery body (5) are through fastening screw and uncovered protective housing (1) fixed connection.

3. The BMS protective plate for high temperature protection of a battery according to claim 1, wherein: the upper end face of the open protective shell (1) is provided with a circle of sealing ring.

4. The BMS protective plate for high temperature protection of a battery according to claim 1, wherein: the number of the second cushion bodies (82) is eight, the second cushion bodies are respectively and fixedly installed on two sides of each inner wall face of the open protective shell (1), and a plurality of buffer springs (83) are sequentially and fixedly installed inside the second cushion bodies (82) from top to bottom.

5. The BMS protective plate for high temperature protection of a battery according to claim 1, wherein: the battery is characterized in that an alarm (4) is fixedly mounted on the upper end face of the cover plate of the battery body (5), and meanwhile, the alarm (4) is electrically connected with an internal circuit board of the battery body (5).

6. The BMS protective plate for high temperature protection of a battery according to claim 1, wherein: the notches of the mounting grooves (6) are fixedly provided with grids.