CN212366102U

CN212366102U - Power lithium battery BMS protection equipment of diathermy nature in area

Info

Publication number: CN212366102U
Application number: CN202021035222.4U
Authority: CN
Inventors: 唐运照
Original assignee: Kunshan Zhongjun New Energy Technology Co ltd
Current assignee: Kunshan Zhongjun New Energy Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-01-15
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a take power lithium cell BMS protective apparatus of diathermanous nature, including the protection box, lithium cell body has been placed to the inside of protection box, and one side of protection box installs heat dissipation mechanism, heat dissipation mechanism's inside is including leading to the groove, and it leads to between one side of groove and protection box for fixed connection, and the inside fixed mounting who leads to the groove has the heat dissipation fan, the one side that leads to the groove is connected with the baffle, and the inside gomphosis of baffle is connected with the dust screen, the inside threaded connection of baffle has the first hand to twist the bolt, and twists the bolt on the first hand and pass and be connected for the gomphosis between one side in groove. The utility model discloses in, under the effect of heat dissipation mechanism, through the work of heat dissipation fan, can make the produced heat of the inside lithium cell body of protection box discharge the outside through leading to the groove and go, prevent that lithium cell body from long-time under high temperature, lead to it to receive the damage, influence lithium cell body's in service behavior.

Description

Power lithium battery BMS protection equipment of diathermy nature in area

Technical Field

The utility model relates to a lithium cell technical field especially relates to a power lithium cell BMS protective apparatus of diathermy nature in area.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment for processing, storage and use due to the very active chemical characteristics of the lithium metal, and becomes a mainstream along with the development of scientific technology.

Current lithium cell BMS protective apparatus only dispels the heat through a fin for the radiating effect is not good, thereby has influenced lithium battery protection board's life, and its protective apparatus also can't be fine protect the lithium cell, under the collision that has external force, leads to the damage of lithium cell easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current lithium battery BMS protective apparatus and only dispelling the heat through a fin for the radiating effect is not good, thereby has influenced lithium battery protection board's life, and its protective apparatus also can't be fine protect the lithium cell, under the collision that has external force, leads to the shortcoming of the damage of lithium cell easily, and the power lithium battery BMS protective apparatus of diathermy nature in area that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a take power lithium cell BMS protective apparatus of diathermanous nature, includes the protection box, lithium cell body has been placed to the inside of protection box, and one side of protection box installs heat dissipation mechanism, heat dissipation mechanism's inside is including leading to the groove, is fixed connection between its one side that leads to groove and protection box, and the inside fixed mounting who leads to the groove has the heat dissipation fan, the one side that leads to the groove is connected with the baffle, and the inside gomphosis of baffle is connected with the dust screen, the inside threaded connection of baffle has first hand to twist the bolt, and first hand twists the bolt and pass the baffle and be connected for the gomphosis between one side that leads to the groove, first hand is twisted the bolt and is passed through the baffle and lead to the groove between constitute detachable construction, the internally mounted of.

As a further description of the above technical solution:

first hand is twisted the bolt and is the symmetry about the axis that leads to the groove, and is parallel between dust screen and the logical groove.

As a further description of the above technical solution:

protection machanism's inside is including a plurality of sleeves, and telescopic inside fixedly connected with bradyseism spring, the bottom fixedly connected with T type pole of bradyseism spring, the bottom fixedly connected with rubber slab of its T type pole, and is connected between rubber slab and the lithium cell body.

As a further description of the above technical solution:

the T-shaped rod forms an elastic telescopic structure with the sleeve through the cushioning spring, and the sleeve is symmetrical about the central axis of the protection box.

As a further description of the above technical solution:

the inside of mechanism that opens and shuts is including the lid, and is connected between the top of lid and protection box, the thread groove has been seted up to the top both sides of protection box, and the inside threaded connection of its thread groove has the second hand to twist the bolt, and is threaded connection between the inside of second hand twist bolt and lid.

As a further description of the above technical solution:

the second hand-screwed bolt forms a detachable mechanism through the cover body and the thread groove, and the thread groove is symmetrical about the central axis of the protection box.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, under the effect of heat dissipation mechanism, through the work of heat dissipation fan, can make the produced heat of the inside lithium cell body of protection box discharge the outside through leading to the groove and go, prevent that lithium cell body from long-time under high temperature, lead to it to receive the damage, influence lithium cell body's in service behavior.

2. The utility model discloses in, under protection machanism's effect, through the bradyseism effort through the bradyseism spring, can make the protection box under the condition that receives external force collision, played certain guard action to the inside lithium cell body of protection box, prevent that it from suffering the damage.

3. The utility model discloses in, under the effect of mechanism that opens and shuts, take out through twisting the bolt with the second hand from the inside of lid and protection box, can take off the lid, be convenient for maintain or change the inside lithium cell body of protection box.

Drawings

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

fig. 2 is a schematic structural view of the heat dissipation mechanism of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Illustration of the drawings:

1. a protection box; 2. a lithium battery body; 3. a heat dissipation mechanism; 301. a through groove; 302. a heat dissipation fan; 303. a partition plate; 304. a dust screen; 305. screwing the bolt by a first hand; 4. a protection mechanism; 401. a sleeve; 402. a cushioning spring; 403. a T-shaped rod; 404. a rubber plate; 5. an opening and closing mechanism; 501. a cover body; 502. a thread groove; 503. the second hand screws the bolt.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a power lithium battery BMS protection device with diathermanous property comprises a protection box 1, a lithium battery body 2 is placed inside the protection box 1, a heat dissipation mechanism 3 is installed at one side of the protection box 1, a through groove 301 is included inside the heat dissipation mechanism 3, the through groove 301 is fixedly connected with one side of the protection box 1, a heat dissipation fan 302 is fixedly installed inside the through groove 301, a partition plate 303 is connected with one side of the through groove 301, a dustproof net 304 is embedded and connected inside the partition plate 303, a first hand-screwed bolt 305 is connected with the internal thread of the partition plate 303, the first hand-screwed bolt 305 penetrates through the partition plate 303 and is embedded and connected with one side of the through groove 301, a detachable structure is formed between the first hand-screwed bolt 305 and the through groove 301 through the partition plate 303, a protection mechanism 4 is installed inside the protection box 1, an opening and closing mechanism 5 is installed at the top end of the protection box 1, the heat, through the work of heat dissipation fan 302, can arrange the outside through leading to groove 301 with the heat that the inside lithium cell body 2 of protection box 1 produced, prevent that lithium cell body 2 from suffering the damage under high temperature for a long time, influencing its use.

Further, first hand is twisted bolt 305 and is the symmetry about leading to the axis of groove 301, and is parallel between dust screen 304 and the groove 301 that leads to, and dust screen 304 prevents that outside dust from entering into the inside lithium cell body 2 of protection box 1 on, causes certain influence to lithium cell body 2's use.

Further, protection machanism 4's inside is including a plurality of sleeves 401, and sleeve 401's inside fixedly connected with bradyseism spring 402, bradyseism spring 402's bottom fixedly connected with T type pole 403, the bottom fixedly connected with rubber slab 404 of its T type pole 403, and be connected between rubber slab 404 and the lithium cell body 2, rubber slab 404 has certain toughness, when extrudeing lithium cell body 2, also can not cause the damage to lithium cell body 2, a plurality of through-holes have been seted up on the surface of rubber slab 404, reduce the area of rubber slab 404 and lithium cell body 2 contact, the heat that can make its contact cause is convenient for discharge through the through-hole.

Further, T type pole 403 constitutes elasticity extending structure through between bradyseism spring 402 and the sleeve 401, and sleeve 401 is the symmetry about the axis of protection box 1, and under the circumstances that has external force collision protection box 1, through the effect of the inside bradyseism spring 402 of protection box 1, has played certain guard action to lithium cell body 2.

Furthermore, the cover 501 is included in the opening and closing mechanism 5, the cover 501 is connected with the top end of the protection box 1, thread grooves 502 are formed in two sides of the top end of the protection box 1, second hand-screwed bolts 503 are connected to the inner threads of the thread grooves 502, the second hand-screwed bolts 503 are connected with the inner portions of the cover 501 in a threaded manner, the thread grooves 502 are convenient for the second hand-screwed bolts 503 to be inserted, the cover 501 and the protection box 1 are connected together, and dust or other impurities are prevented from entering the inner portions of the protection box 1 and causing certain influence on the use of the lithium battery body 2 inside the protection box.

Further, the second hand-screwed bolt 503 forms a detachable mechanism through the cover 501 and the thread groove 502, the thread groove 502 is symmetrical about the central axis of the protection box 1, the second hand-screwed bolt 503 is taken out from the cover 501 and the thread groove 502, the cover 501 is convenient to take down, and the lithium battery body 2 in the protection box 1 can be maintained.

The working principle is as follows: when in use, firstly, the second hand-screwed bolt 503 is taken out from the inner parts of the thread groove 502 and the cover body 501, so that the cover body 501 is convenient to take down, the lithium battery body 2 is put between the rubber plates 404 in the protection box 1, the cover body 501 is covered, the lithium battery body 2 is fixed through the plurality of rubber plates 404, the lithium battery body 2 is prevented from shaking and affecting the work of the lithium battery body, the second hand-screwed bolt 503 is inserted into the inner parts of the thread groove 502 and the cover body 501, the protection box 1 can be sealed, the external dust or sundries are prevented from falling onto the lithium battery body 2 and affecting the normal work of the lithium battery body 2, the heat generated during the work of the lithium battery body 2 in the protection box 1 can be discharged outwards through the through groove 301 through the work of the heat dissipation fan 302, the lithium battery body 2 is prevented from working at high temperature for a long time, the lithium battery body 2 and the parts, the dust screen 304 prevents external dust from entering the protection box 1, and the first hand-screwed bolt 305 can be taken out from the partition plate 303 and the through groove 301, so that the partition plate 303 can be conveniently taken down, and the dust screen 304 in the dust screen can be cleaned or replaced, so that the filtering effect is better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a take power lithium cell BMS protection equipment of diathermanous nature, includes protection box (1), its characterized in that, lithium cell body (2) have been placed to the inside of protection box (1), and one side of protection box (1) installs heat dissipation mechanism (3), the inside of heat dissipation mechanism (3) is including leading to groove (301), and it leads to for fixed connection between groove (301) and one side of protection box (1), and the inside fixed mounting who leads to groove (301) has heat dissipation fan (302), one side that leads to groove (301) is connected with baffle (303), and the inside gomphosis of baffle (303) is connected with dust screen (304), the inside threaded connection of baffle (303) has first hand to twist bolt (305), and first hand to twist bolt (305) and lead to for the gomphosis between the one side of groove (301) and be connected, first hand is twisted bolt (305) and is passed through and constitutes detachable construction between baffle (303) and groove (301), protection box (1) internally mounted has protection machanism (4), and the top of protection box (1) is installed and is opened and shut mechanism (5).

2. The thermal transparent power lithium battery BMS protection device as claimed in claim 1, wherein the first hand bolt (305) is symmetrical about the central axis of the through slot (301), and the dust screen (304) is parallel to the through slot (301).

3. The lithium battery BMS protection device with the diathermy function as claimed in claim 1, wherein the inside of the protection mechanism (4) comprises a plurality of sleeves (401), the insides of the sleeves (401) are fixedly connected with shock absorption springs (402), the bottom ends of the shock absorption springs (402) are fixedly connected with T-shaped rods (403), the bottom ends of the T-shaped rods (403) are fixedly connected with rubber plates (404), and the rubber plates (404) are connected with the lithium battery body (2).

4. The battery pack protection apparatus for BMS with diathermy as claimed in claim 3, wherein the T-bar (403) is elastically telescopic with the sleeve (401) through the damping spring (402), and the sleeve (401) is symmetrical with respect to the central axis of the protection case (1).

5. The BMS protection device with the diathermanous property as claimed in claim 1, wherein the inside of the opening and closing mechanism (5) comprises a cover body (501), the cover body (501) is connected with the top end of the protection box (1), both sides of the top end of the protection box (1) are provided with thread grooves (502), the inside of the thread groove (502) is in threaded connection with a second hand-screwed bolt (503), and the second hand-screwed bolt (503) is in threaded connection with the inside of the cover body (501).

6. The battery pack protection apparatus for BMS with diathermy property of claim 5, wherein the second hand-screwed bolt (503) passes through the cover body (501) and forms a detachable mechanism with the screw groove (502), and the screw groove (502) is symmetrical with respect to the central axis of the protection case (1).