CN112582706B

CN112582706B - Anti-overheating lithium battery

Info

Publication number: CN112582706B
Application number: CN202110034931.3A
Authority: CN
Inventors: 龙希罕
Original assignee: Guangdong Bolong Energy Technology Co ltd
Current assignee: Guangdong Bolong Energy Technology Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-09-10
Anticipated expiration: 2041-01-12
Also published as: CN112582706A

Abstract

The invention discloses an anti-overheating lithium battery, which comprises: the battery box comprises a battery box body, a lithium battery body, a power management module and a heat dissipation module, wherein an inner protection box is arranged in the battery box, the lithium battery body is arranged in the inner protection box, the power management module is arranged in the battery box and located at the front side of the inner protection box, a charging interface is arranged at the front end in the battery box, and the heat dissipation module is arranged in the battery box and located at the side edge of the inner protection box. The anti-overheating lithium battery comprises a battery box, a lithium battery body, a power management module and a heat dissipation module, and has the advantages of simple structure and convenience in use; protection box's front side including power management module installs, and lithium cell body also supplies power to heat dissipation module through this power management module simultaneously, and heat dissipation module takes out the heat, keeps lithium cell body to be in good operating temperature within range, avoids lithium cell body overheated, and interior protection box provides explosion-proof guard action for lithium cell body, has further improved this factor of safety who prevents overheated lithium cell.

Description

Anti-overheating lithium battery

Technical Field

The invention relates to the technical field of batteries, in particular to an anti-overheating lithium battery.

Background

People often use lithium batteries in daily life, wherein the lithium batteries are popular due to the advantages of high energy density, long cycle life and the like; however, when the lithium battery is used, the lithium battery generates heat, so that the service life of the lithium battery is shortened, and even the lithium battery is overheated to cause combustion and explosion, and certain potential safety hazards are generated. Therefore, there is a need for an overheat prevention lithium battery that at least partially solves the problems of the prior art.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides an overheating prevention lithium battery including: battery case, lithium cell body, power management module and heat dissipation module, be provided with interior protection box in the battery case, lithium cell body sets up in the interior protection box, power management module sets up in the battery case and be located the front side of interior protection box, power management module with lithium cell body electricity is connected, and front end in the battery case is provided with the interface that charges, the interface that charges with power management module electricity is connected, heat dissipation module sets up in the battery case and be located the side of interior protection box, heat dissipation module with power management module electricity is connected.

Preferably, the inner protection box is composed of a plurality of explosion-proof composite boards, each explosion-proof composite board comprises a first explosion-proof board and a second explosion-proof board, the second explosion-proof board is arranged on the inner surface of the first explosion-proof board, the second explosion-proof board comprises a first inner explosion-proof board connected with the inner surface of the first explosion-proof board, a second inner explosion-proof board connected with the inner surface of the first inner explosion-proof board, and a third inner explosion-proof board connected with the inner surface of the second inner explosion-proof board, a plurality of first energy absorption grooves are arranged in the second inner explosion-proof board, second energy absorption grooves corresponding to the first energy absorption grooves are arranged on the first inner explosion-proof board, third energy absorption grooves corresponding to the first energy absorption grooves are arranged on the third inner explosion-proof board, first energy absorption mechanisms are arranged in the first energy absorption grooves, and second energy absorption mechanisms corresponding to the first energy absorption mechanisms are arranged in the second energy absorption grooves, and a third energy absorption mechanism corresponding to the first energy absorption mechanism is arranged in the third energy absorption groove.

Preferably, the first energy absorbing mechanism comprises a first energy absorbing ejector rod, two first energy absorbing plates and a spring, the two first energy absorbing plates are arranged on the inner surface of the first energy absorbing groove, the first energy absorbing ejector rod is arranged between the two first energy absorbing plates, and the spring is sleeved on the first energy absorbing ejector rod and abuts against the first energy absorbing plates.

Preferably, the second energy-absorbing mechanism comprises a second energy-absorbing ejector rod and a second energy-absorbing plate, the second energy-absorbing plate is arranged in the second energy-absorbing groove, and the second energy-absorbing ejector rod is arranged between the second energy-absorbing plate and the first energy-absorbing plate.

Preferably, the third energy-absorbing mechanism comprises a third energy-absorbing ejector rod and a third energy-absorbing plate, the third energy-absorbing plate is arranged in the third energy-absorbing groove, and the third energy-absorbing ejector rod is arranged between the third energy-absorbing plate and the first energy-absorbing plate.

Preferably, the inner surface of the third inner panel is provided with a plurality of triangular lines, and the explosion-proof composite panel is provided with heat dissipation holes.

Preferably, the first explosion-proof plate includes an outer plate, a first six-side supporting plate, an inner plate, and a second six-side supporting plate, the first six-side supporting plate is disposed on an inner surface of the outer plate, the inner plate is disposed on an inner surface of the first six-side supporting plate, the second six-side supporting plate is disposed on an inner surface of the inner plate, and the second explosion-proof plate is disposed on an inner surface of the second six-side supporting plate.

Preferably, the bottom of the inner protection box is provided with an anti-falling mechanism, the anti-falling mechanism comprises an anti-falling frame and an anti-falling plate, the anti-falling frame comprises two mutually spaced anti-falling rods, a plurality of anti-falling partition plates and a top plate, the anti-falling partition plates are arranged between the two anti-falling rods, the top plate is arranged between the tops of the two anti-falling partition plates, the anti-falling plate comprises two side rods and a plurality of unit plates, the ends of the plurality of unit plates are connected through the side rods, the anti-falling plate is arranged between the bottoms of the two anti-falling partition plates, the adjacent two unit plates are connected through a plurality of U-shaped fixing members, the unit plates and the anti-falling partition plates are both provided with limiting grooves, the ends of the U-shaped fixing members extend into the limiting grooves, the ends of the U-shaped fixing members are provided with limiting members, the limiting members comprise two arc plates and a V-shaped plate, the end part of the V-shaped plate is connected with the lower end of the arc-shaped plate, the upper end of the arc-shaped plate is connected with a necking groove at the end part of the U-shaped fixing piece, a transverse partition plate is arranged between the middle part of the U-shaped fixing piece and the unit plate, a cavity is arranged in the middle part, and an air hole communicated with the cavity is formed in the upper surface of the middle part;

the lower surface of roof be provided with a plurality ofly with the refrigeration mechanism that power management module electricity is connected, refrigeration mechanism includes semiconductor refrigeration piece, two outer baffles and two vertical limiting plates, the semiconductor refrigeration piece sets up the lower surface of roof, outer baffle sets up the side of semiconductor refrigeration piece, vertical limiting plate sets up on the surface of outer baffle.

Preferably, the method further comprises the following steps:

a plurality of supplementary stop gear, supplementary stop gear with refrigerating mechanism is corresponding, supplementary stop gear includes vertical pole, two horizontal spacing portions, vertical pole sets up the upper surface of cell board is located the below of semiconductor refrigeration piece, horizontal spacing portion sets up on the internal surface of vertical limiting plate, and is located the top of vertical pole, horizontal spacing portion includes horizontal limiting plate, flexible pole and pedestal, the pedestal sets up on the internal surface of vertical limiting plate, the one end of flexible pole with the pedestal is connected, horizontal limiting plate sets up the other end of flexible board.

Preferably, the method further comprises the following steps:

the anti-deformation mechanisms are arranged between the outer surfaces of the two vertical limiting plates and comprise a plurality of roller bodies, and the roller bodies are movably connected with the outer surfaces of the vertical limiting plates;

two side stop gear, side stop gear includes a plurality of horizontal springs and vertical curb plate, horizontal spring setting is in prevent falling on the internal surface of baffle, vertical curb plate with horizontal spring coupling to with the outside vertical limiting plate sliding connection.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the invention provides an anti-overheating lithium battery which comprises a battery box, a lithium battery body, a power management module and a heat dissipation module, and has the advantages of simple structure and convenience in use; protection box's front side including power management module installs, and the front end in the battery box is provided with the interface that charges, the user can charge to lithium cell body through this interface that charges and through power management module, and lithium cell body also supplies power to heat dissipation module through this power management module simultaneously, make heat dissipation module take out the heat with this, keep lithium cell body in good operating temperature within range, avoid lithium cell body overheated, and interior protection box provides explosion-proof guard action for lithium cell body, the factor of safety of this anti-overheating lithium cell has further been improved.

2. The invention provides an anti-overheating lithium battery, which is provided with an inner protection box structure, wherein the inner protection box is composed of a plurality of anti-explosion composite boards, each anti-explosion composite board comprises a first anti-explosion board and a second anti-explosion board, the second anti-explosion board further comprises a first inner anti-explosion board, a second inner anti-explosion board and a third inner anti-explosion board, a third energy absorption mechanism is arranged in a third energy absorption groove in the third inner anti-explosion board, a second energy absorption mechanism is arranged in a first energy absorption groove in the second inner anti-explosion board, and a second energy absorption mechanism is arranged in a second energy absorption groove in the first inner anti-explosion board, so that the anti-explosion coefficient of the second anti-explosion board is increased; meanwhile, the third energy absorption groove, the first energy absorption groove and the second energy absorption groove are convenient for heat dissipation.

3. The invention provides an anti-overheating lithium battery, which is provided with a structure of a first energy absorption mechanism, wherein the first energy absorption mechanism comprises a first energy absorption ejector rod, two first energy absorption plates and a spring, when explosion waves of explosion of a lithium battery body reach the second inner anti-plate, the second inner anti-plate is impacted, and the first energy absorption plate, the first energy absorption ejector rod and the spring can absorb and offset the impact.

4. The invention provides an anti-overheating lithium battery, which is provided with a structure of a second energy absorption mechanism, wherein the second energy absorption mechanism of the structure comprises a second energy absorption ejector rod and a second energy absorption plate, the first inner prevention plate is impacted when explosion waves of explosion of a lithium battery body reach the first inner prevention plate, and the second energy absorption ejector rod and the second energy absorption plate can absorb and offset the impact.

5. The invention provides an anti-overheating lithium battery, which is provided with a structure of a falling-preventing mechanism, wherein the falling-preventing mechanism of the structure comprises a falling-preventing frame and a falling-preventing plate, the falling-preventing plate comprises two side rods and a plurality of unit plates, the unit plates are connected through a U-shaped fixing piece, and the U-shaped fixing piece has better deformation capacity, so that the whole falling-preventing mechanism can counteract the impact energy of the anti-overheating lithium battery falling onto the ground, can play a better falling-preventing role, and meanwhile, a refrigerating mechanism is also designed in the falling-preventing mechanism, so that the lithium battery body is further protected by heat dissipation, and the practicability of the falling-preventing mechanism is greatly improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic structural view of an overheat-proof lithium battery according to the present invention.

Fig. 2 is a top view of the structure of the lithium battery for preventing overheating according to the present invention.

Fig. 3 is a structural plan view of an explosion-proof composite plate in the overheating prevention lithium battery of the present invention.

Fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 of the lithium battery for preventing overheating according to the present invention.

Fig. 5 is a structural bottom view of an anti-falling mechanism in the anti-overheating lithium battery of the present invention.

Fig. 6 is a schematic structural diagram of an anti-falling mechanism in the anti-overheating lithium battery of the present invention.

Fig. 7 is an enlarged schematic structural view of a portion B of fig. 6 in the lithium battery for preventing overheating according to the present invention.

Fig. 8 is an enlarged structural view of a portion C of fig. 6 in the lithium battery for preventing overheating according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 8, the present invention provides an overheating prevention lithium battery including: the lithium battery comprises a battery box 1, a lithium battery body 101, a power management module 102 and a heat dissipation module 103, wherein an inner protection box 2 is arranged in the battery box 1, the lithium battery body 101 is arranged in the inner protection box 2, the power management module 102 is arranged in the battery box 1 and located on the front side of the inner protection box 2, the power management module 102 is electrically connected with the lithium battery body 101, a charging interface 104 is arranged at the front end in the battery box 1, the charging interface 104 is electrically connected with the power management module 102, the heat dissipation module 103 is arranged in the battery box 1 and located on the side edge of the inner protection box 2, and the heat dissipation module 103 is electrically connected with the power management module 102.

The working principle of the technical scheme is as follows: the invention provides an anti-overheating lithium battery, which comprises a battery box 1, a lithium battery body 101, a power management module 102 and a heat dissipation module 103, wherein an inner protection box 2 is further designed in the battery box 1, the inner protection box 2 provides an explosion-proof protection function for the lithium battery body 101, heat generated in the working process of the lithium battery body 101 is dissipated into the battery box 1 through the inner protection box 2, then the heat dissipation module 103 detects the heat in the battery box 1, after the detection of a temperature sensor (not shown) in the heat dissipation module 103, the heat dissipation module 103 is started to draw out the heat in the battery box 1 to the outside, wherein the power management module 102 is installed at the front side of the inner protection box 2, a charging interface 104 is arranged at the front end in the battery box 1, and a user can charge the lithium battery body 101 through the charging interface 104 and the power management module 102, the lithium battery body 101 also supplies power to the heat dissipation module 103 through the power management module 102, so that the heat dissipation module 103 extracts heat, the lithium battery body 101 is kept in a good working temperature range, and overheating of the lithium battery body 101 is avoided.

The beneficial effects of the above technical scheme are that: through the design of the structure, the invention provides an anti-overheating lithium battery which comprises a battery box 1, a lithium battery body 101, a power management module 102 and a heat dissipation module 103, and has the advantages of simple structure and convenience in use; wherein, the front side of protection box 2 including power management module 102 installs, and the front end in the battery case 1 is provided with the interface 104 that charges, the user can charge to lithium battery body 101 through this interface 104 that charges and through power management module 102, and lithium battery body 101 also supplies power to heat dissipation module 103 through this power management module 102 simultaneously, with this make heat dissipation module 103 take out the heat, keep lithium battery body 101 in good operating temperature within range, avoid lithium battery body 101 overheated, and interior protection box 2 provides explosion-proof guard action for lithium battery body 101, the factor of safety of this anti-overheating lithium cell has further been improved.

In one embodiment, the inner shield case 2 is composed of a plurality of explosion-proof composite panels 20, the explosion-proof composite panels 20 include a first explosion-proof panel 3, a second explosion-proof panel 4, the second explosion-proof panel 4 is disposed on an inner surface of the first explosion-proof panel 3, the second explosion-proof panel 4 includes a first inner panel 401 connected to an inner surface of the first explosion-proof panel 3, a second inner panel 402 connected to an inner surface of the first inner panel 401, and a third inner panel 403 connected to an inner surface of the second inner panel 402, a plurality of first energy-absorbing grooves 404 are disposed in the second inner panel 402, a second energy-absorbing groove 405 corresponding to the first energy-absorbing groove 404 is disposed on the first inner panel 401, a third energy-absorbing groove 406 corresponding to the first energy-absorbing groove 404 is disposed on the third inner panel 403, a first energy-absorbing mechanism is disposed in the first energy-absorbing groove 404, a second energy absorption mechanism corresponding to the first energy absorption mechanism is arranged in the second energy absorption groove 405, and a third energy absorption mechanism corresponding to the first energy absorption mechanism is arranged in the third energy absorption groove 406.

The working principle of the technical scheme is as follows: the embodiment provides a structure of an inner protection box 2, the inner protection box 2 of the structure is composed of a plurality of explosion-proof composite boards 20, and it can be understood that the plurality of explosion-proof composite boards 20 are each side board, bottom board and cover board of the inner protection box 2; specifically, the explosion-proof composite panel 20 includes a first explosion-proof panel 3 and a second explosion-proof panel 4, wherein the second explosion-proof panel 4 includes a first inner panel 401, a second inner panel 402 and a third inner panel 403; when the lithium battery body 101 is overheated and explodes, the explosion-proof coefficient of the explosion-proof composite plate 20 is increased through the technical scheme, the explosion wave generated by the explosion of the lithium battery body 101 firstly reaches the third inner anti-plate 403, and a third energy absorption mechanism is arranged in a third energy absorption groove 406 in the third inner anti-plate 403 and firstly absorbs the explosion wave; then, the explosion wave generated by the explosion of the lithium battery body 101 continuously impacts the second inner protective plate 402, and a second energy absorption mechanism is arranged in the first energy absorption groove 404 in the second inner protective plate 402 and can absorb the explosion wave; the second energy absorption mechanism is arranged in the second energy absorption groove 405 of the first inner anti-explosion plate 401, so that the explosion waves are absorbed, the explosion-proof coefficient of the second anti-explosion plate 4 is increased, and the explosion-proof safety coefficient of the whole anti-explosion composite plate 20 is improved.

The beneficial effects of the above technical scheme are that: through the design of the structure, the present embodiment provides a structure of an inner protection box 2, the inner protection box 2 is composed of a plurality of anti-explosion composite boards 20, wherein the anti-explosion composite boards 20 include a first anti-explosion board 3 and a second anti-explosion board 4, and further the second anti-explosion board 4 includes a first inner anti-explosion board 401, a second inner anti-explosion board 402 and a third inner anti-explosion board 403, a third energy absorbing mechanism is disposed in a third energy absorbing groove 406 in the third inner anti-explosion board 403, a second energy absorbing mechanism is disposed in a first energy absorbing groove 404 in the second inner anti-explosion board 402, and a second energy absorbing mechanism is disposed in a second energy absorbing groove 405 in the first inner anti-explosion board 401, so as to increase the anti-explosion coefficient of the second anti-explosion board 4; meanwhile, the third energy absorption groove 406, the first energy absorption groove 404 and the second energy absorption groove 405 also facilitate heat dissipation.

In one embodiment, the first energy absorbing mechanism comprises a first energy absorbing ejector pin 407, two first energy absorbing plates 408 and a spring 409, wherein the two first energy absorbing plates 408 are arranged on the inner surface of the first energy absorbing groove 404, the first energy absorbing ejector pin 407 is arranged between the two first energy absorbing plates 408, and the spring 409 is sleeved on the first energy absorbing ejector pin 407 and abuts against the first energy absorbing plate 408.

The working principle of the technical scheme is as follows: in this embodiment, a structure of a first energy absorbing mechanism is provided, where the first energy absorbing mechanism includes a first energy absorbing plunger 407, two first energy absorbing plates 408 and a spring 409, specifically, a middle space of the first energy absorbing groove 404 is larger than two ends, so as to facilitate installation of the first energy absorbing mechanism, the two first energy absorbing plates 408 are respectively disposed on inner walls of the middle space of the first energy absorbing groove 404, the first energy absorbing plunger 407 is installed between the two first energy absorbing plates 408, and the spring 409 supports the two first energy absorbing plates 407 by being sleeved on the first energy absorbing plunger 407, it can be understood that the first energy absorbing plate 408 and the first energy absorbing plate 407 are both made of materials with certain elasticity, such as silica gel and rubber, so when an explosion wave of explosion of the lithium battery body 101 reaches the second inner protective plate 402, impact is generated on the second inner protective plate 402, and the first energy absorbing plate 408, the first energy absorbing plunger 407, and the spring 409 are all made of materials with certain elasticity, The spring 409 can absorb and counteract the impact.

The beneficial effects of the above technical scheme are that: through the design of the structure, the embodiment provides the structure of the first energy absorption mechanism, the first energy absorption mechanism comprises a first energy absorption ejector rod 407, two first energy absorption plates 408 and a spring 409, when the explosion wave of the explosion of the lithium battery body 101 reaches the second inner protection plate 402, the second inner protection plate 402 is impacted, and the first energy absorption plate 408, the first energy absorption ejector rod 407 and the spring 409 can absorb and offset the impact.

In one embodiment, the second energy absorbing mechanism comprises a second energy absorbing ejector rod 410 and a second energy absorbing plate 411, the second energy absorbing plate 411 is arranged in the second energy absorbing groove 405, and the second energy absorbing ejector rod 410 is arranged between the second energy absorbing plate 411 and the first energy absorbing plate 408.

The working principle of the technical scheme is as follows: in this embodiment, a structure of a second energy absorbing mechanism is provided, the second energy absorbing mechanism of the structure includes a second energy absorbing ejector pin 410 and a second energy absorbing plate 411, specifically, the second energy absorbing plate 411 is installed at an inner bottom of a second energy absorbing groove 405, and the second energy absorbing ejector pin 410 is inserted into the second energy absorbing groove 405 and abuts against the second energy absorbing plate 411 and the first energy absorbing plate 408, it can be understood that the second energy absorbing ejector pin 410 and the second energy absorbing plate 411 are both made of materials with certain elasticity, such as silica gel and rubber, so when an explosion wave generated by explosion of the lithium battery body 101 reaches the first inner protective plate 401, the first inner protective plate 401 is impacted, and the second ejector pin energy absorbing 410 and the second energy absorbing plate 411 can absorb and counteract the impact.

The beneficial effects of the above technical scheme are that: through the design of the structure, the embodiment provides a structure of a second energy absorption mechanism, the second energy absorption mechanism of the structure comprises a second energy absorption ejector rod 410 and a second energy absorption plate 411, when the explosion wave of the explosion of the lithium battery body 101 reaches the first inner protection plate 401, the first inner protection plate 401 is impacted, and the second energy absorption ejector rod 410 and the second energy absorption plate 411 can absorb and offset the impact.

In one embodiment, the third energy absorbing mechanism includes a third energy absorbing ram 412 and a third energy absorbing plate 413, the third energy absorbing plate 413 is disposed in the third energy absorbing groove 406, and the third energy absorbing ram 412 is disposed between the third energy absorbing plate 413 and the first energy absorbing plate 408.

The working principle of the technical scheme is as follows: in this embodiment, a structure of the third energy absorbing mechanism is provided, where the third energy absorbing mechanism of the structure includes a third energy absorbing ejector pin 412 and a third energy absorbing plate 413, specifically, the third energy absorbing ejector pin 412 is installed at the inner bottom of the third energy absorbing groove 406, and the third energy absorbing ejector pin 412 is inserted into the third energy absorbing groove 406 and abuts against the third energy absorbing plate 413 and the first energy absorbing plate 408, it can be understood that the third energy absorbing ejector pin 412 and the third energy absorbing plate 413 are both made of materials with certain elasticity, such as silica gel and rubber, so that when an explosion wave generated by explosion of the lithium battery body 101 reaches the third inner protective plate 403, the third energy absorbing ejector pin 412 and the third energy absorbing plate 413 can absorb and offset the impact.

The beneficial effects of the above technical scheme are that: through the design of the structure, the third energy absorbing mechanism of the structure provided in this embodiment includes the third energy absorbing ejector rod 412 and the third energy absorbing plate 413, when the explosion wave of the explosion of the lithium battery body 101 reaches the third inner shielding plate 403, the third inner shielding plate 403 is impacted, and the third energy absorbing ejector rod 412 and the third energy absorbing plate 413 can absorb and counteract the impact.

In one embodiment, the inner surface of the third inner panel 403 is provided with a plurality of triangular ridges 414, and the explosion-proof composite panel 20 is provided with heat dissipation holes.

The working principle and the beneficial effects of the technical scheme are as follows: in order to further facilitate the heat generated by the lithium battery body 101 during operation, in this embodiment, a plurality of triangular grains 414 are disposed on the inner surface of the third inner protection plate 403, and heat dissipation holes (not shown) are disposed on the explosion-proof composite plate 20, a triangular grain 414 is disposed between the inner surfaces of the lithium battery body 101 and the third inner protection plate 403, the generated heat can be discharged from the triangular grains 414 to the heat dissipation holes, so that the contact area between the lithium battery body 101 and the space inside the inner protection box 2 is increased, which is beneficial to heat dissipation, and the lithium battery body 101 is prevented from overheating.

In one embodiment, the first explosion-proof plate 3 includes an outer plate 301, a first sixth gusset plate 302, an inner plate 303, and a second sixth gusset plate 304, the first sixth gusset plate 302 is disposed on an inner surface of the outer plate 301, the inner plate 303 is disposed on an inner surface of the first sixth gusset plate 302, the second sixth gusset plate 304 is disposed on an inner surface of the inner plate 303, and the second explosion-proof plate 4 is disposed on an inner surface of the second sixth gusset plate 304.

The working principle of the technical scheme is as follows: in the present embodiment, a structure of the first explosion-proof plate 3 is provided, where the first explosion-proof plate 3 includes an outer plate 301, a first six-edge support plate 302, an inner plate 303, and a second six-edge support plate 304, specifically, when an explosion wave generated by an explosion of the lithium battery body 101 reaches the first explosion-proof plate 3, the second six-edge support plate 304 is first located at an outer side of the second explosion-proof plate 4, so that the second six-edge support plate 304 is first of all six-edge type inside the second six-edge support plate 304, and has a better deformation resistance capability to support the second explosion-proof plate 4, and the outer side of the second six-edge support plate 304 is connected to the first six-edge support plate 302 through the inner plate 303, so that the deformation resistance capability of the first explosion-proof plate 3 is further increased, and the outermost side is the first six-edge support plate 301 to play a protective and decorative role in the first six-edge support plate 302.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide the structure of first explosion-proof board 3 in this embodiment, this first explosion-proof board 3 includes planking 301, first six fagging 302, inner panel 303 and second six fagging 304 for this first explosion-proof board 3 has better blast resistance, has improved the protection coefficient of whole interior protection box 2.

In one embodiment, the bottom of the inner protection box 2 is provided with an anti-falling mechanism 5, the anti-falling mechanism 5 comprises an anti-falling frame and an anti-falling plate, the anti-falling frame comprises two anti-falling rods 501 spaced from each other, a plurality of anti-falling partition plates 502 and a top plate 503, the anti-falling partition plates 502 are arranged between the two anti-falling rods 501, the top plate 503 is arranged between the tops of the two anti-falling partition plates 502, the anti-falling plate comprises two side rods 504 and a plurality of unit plates 505, the ends of the plurality of unit plates 505 are connected by the side rods 504, the anti-falling plate is arranged between the bottoms of the two anti-falling partition plates 502, the adjacent two unit plates 505 are connected by a plurality of U-shaped fixing members 506, each of the unit plates 505 and the anti-falling partition plates 502 is provided with a limiting groove 507, the ends of the U-shaped fixing members 506 extend into the limiting grooves 507, and the ends of the U-shaped fixing members 506 are provided with limiting members 508, the limiting member 508 comprises two arc-shaped plates 509 and a V-shaped plate 510, the end part of the V-shaped plate 510 is connected with the lower end of the arc-shaped plate 509, the upper end of the arc-shaped plate 509 is connected with a necking groove 511 at the end part of the U-shaped fixing member 506, a transverse partition plate 512 is arranged between the middle part of the U-shaped fixing member 506 and the unit plate 505, a cavity 513 is arranged in the middle part, and an air hole 514 communicated with the cavity 513 is arranged on the upper surface of the middle part;

the lower surface of roof 503 be provided with a plurality of with the refrigeration mechanism that power management module 102 electricity is connected, refrigeration mechanism includes semiconductor refrigeration piece 515, two outer baffles 516 and two vertical limiting plate 517, semiconductor refrigeration piece 515 sets up the lower surface of roof 503, outer baffle 516 sets up the side of semiconductor refrigeration piece 515, vertical limiting plate 517 sets up on the surface of outer baffle 516.

The working principle of the technical scheme is as follows: in the embodiment, the structure of the anti-falling mechanism 5 includes an anti-falling frame and an anti-falling plate, specifically, the anti-falling mechanism 5 is located at the bottom of the inner protection box 2, the anti-falling frame includes two anti-falling rods 501 spaced from each other, a plurality of anti-falling partition plates 502 and a top plate 503, the upper surface of the top plate 503 is closely attached to the lower surface of the inner protection box 2, the top plate 503 has a good heat conduction function and can be made of an aluminum alloy material, the anti-falling plate includes two side rods 504 and a plurality of unit plates 505, the anti-falling plate is located below the top plate 503, so that a plurality of refrigeration mechanisms are disposed on the lower surface of the top plate 503, the refrigeration mechanisms are powered by the power management module 102, and are also activated when the heat dissipation module 103 is activated, the refrigeration mechanisms include semiconductor refrigeration blocks 515, two outer partition plates 516 and two vertical limiting plates 517, the semiconductor refrigeration blocks 515 are located on the lower surface of the top plate 503, the cold end of the semiconductor refrigeration block 515 is in contact with the top plate 503 after starting, so that heat generated by the lithium battery body 101 flows to the top plate 503, and heat dissipation of the lithium battery body 101 is facilitated; the side of the semiconductor refrigeration block 515 is provided with an outer partition plate 516, the outer surface of the outer partition plate 516 is connected with a vertical limiting plate 517, and when the anti-overheating lithium battery falls onto the ground, the plurality of unit plates 505 are deformed with each other to counteract the impact energy of the anti-overheating lithium battery falling onto the ground;

specifically, two adjacent unit plates 505 are connected through a plurality of U-shaped fixing members 506, so that the U-shaped fixing members 506 deform along with the deformation when the unit plates 505 move up and down, and the vertical limiting plate 517 prevents the unit plates 505 from moving upwards for too long, so that the U-shaped fixing members 506 are separated from the unit plates 505; the end of the U-shaped fixing member 506 is arranged in the limiting groove 507, in order to prevent the end of the U-shaped fixing member 506 from being separated from the limiting groove 507, a limiting member 508 is arranged at the end of the U-shaped fixing member 506, a limiting rod 525 is also arranged at the end of the U-shaped fixing member 506, the limiting member 508 comprises two arc-shaped plates 509 and a V-shaped plate 510, the upper ends of the arc-shaped plates 509 are connected with a necking groove 511 at the end of the U-shaped fixing member 506, so that the arc-shaped plates 509 are attached to the inner surface of the limiting groove 507, and the V-shaped plate 510 plays a role in supporting the two arc-shaped plates 509 to prevent the arc-shaped plates 509 from deforming when being pulled; the middle part of the U-shaped fixing member 506 is subjected to tension when the two unit plates 505 tilt upwards and pressure when the two unit plates tilt downwards, so that the middle part of the U-shaped fixing member 506 is provided with a cavity 513 and an air hole 514, thereby increasing the deformability of the U-shaped fixing member 506; meanwhile, the transverse partition plate 512 is arranged between the middle part of the U-shaped fixing member 506 and the unit plate 505, so that the deformation capacity of the U-shaped fixing member 506 is increased, and the whole anti-falling mechanism 5 can counteract the impact energy of the anti-overheating lithium battery falling to the ground.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, the structure of preventing falling mechanism 5 is provided in this embodiment, this structural prevent falling mechanism 5 is including preventing falling the frame, prevent falling the board, wherein, prevent falling the board and include two limit poles 504 and a plurality of cell boards 505, and cell board 505 passes through U type mounting 506 and connects, U type mounting 506 has better deformability, make whole prevent falling mechanism 5 can be in order to offset and prevent that overheated lithium cell falls the subaerial impact energy, can play better and prevent falling the effect, the refrigeration mechanism has still been designed in preventing falling mechanism 5 simultaneously, further play the heat dissipation protection to lithium cell body 101, with this practicality of preventing falling mechanism 5 greatly.

In one embodiment, further comprising:

a plurality of supplementary stop gear, supplementary stop gear with refrigeration mechanism is corresponding, supplementary stop gear includes vertical pole 518, the spacing portion of two levels, vertical pole 518 sets up the upper surface of cell board 505 is located the below of semiconductor refrigeration piece 515, the spacing portion of level sets up on the internal surface of vertical limiting plate 517, and is located the top of vertical pole 518, the spacing portion of level includes horizontal limiting plate 519, flexible pole 520 and pedestal 521, pedestal 521 sets up on the internal surface of vertical limiting plate 517, the one end of flexible pole 520 with pedestal 521 connects, horizontal limiting plate 519 sets up the other end of flexible board.

The working principle of the technical scheme is as follows: this embodiment provides a structure of supplementary stop gear, this supplementary stop gear includes vertical pole 518, two horizontal spacing portions, when preventing that cell board 505 from contacting the lower extreme of vertical limiting plate 517, for its maximum movement interval, so vertical pole 518 has been designed at the upper surface of cell board 505, horizontal spacing portion has been designed to the internal surface of vertical limiting plate 517, when cell board 505 upwarps upwards, vertical pole 518 moves upwards and at first touches horizontal limiting plate 519 in the horizontal spacing portion, but horizontal limiting plate 519 is connected deformable rod 520, horizontal limiting plate 519, deformable rod 520 plays the interception effect to vertical pole 518 like this, with this interval that reduces cell board 505 and upwards move, also reduced the pulling force or the pressure to U type mounting 506.

The beneficial effects of the above technical scheme are that: through the design of the structure, the structure of the auxiliary limiting mechanism is provided in this embodiment, and the auxiliary limiting mechanism includes the vertical rod 518 and the two horizontal limiting parts, so that the upward movement distance of the unit plates 505 can be better limited, the tension or pressure on the U-shaped fixing member 506 is reduced, and the service life of the U-shaped fixing member 506 is prolonged.

In one embodiment, further comprising:

the deformation preventing mechanisms are arranged between the outer surfaces of the two vertical limiting plates 517 and comprise a plurality of roller bodies 522, and the roller bodies 522 are movably connected with the outer surfaces of the vertical limiting plates 517;

the side limiting mechanisms comprise a plurality of transverse springs 523 and vertical side plates 524, the transverse springs 523 are arranged on the inner surface of the anti-falling partition plate 502, and the vertical side plates 524 are connected with the transverse springs 523 and slidably connected with the vertical limiting plates 517 on the outermost side.

The working principle of the technical scheme is as follows: the embodiment provides a plurality of deformation prevention mechanisms, each deformation prevention mechanism comprises a plurality of roller bodies 522, after the vertical rods 518 touch the horizontal limiting parts, the two vertical limiting plates 517 are bent inwards and then are bent outwards to be restored to a vertical state, and when the vertical limiting plates 517 are bent outwards, the plurality of roller bodies 522 are designed to be arranged at the middle upper parts of the vertical limiting plates 517 (4 are only indicated at the upper parts of the vertical limiting plates 517 in fig. 6), so that the deformation caused by the overlarge outward bending amplitude of the vertical limiting plates 517 is prevented;

this embodiment still provides two side stop gear, side stop gear is used for spacing to the vertical limiting plate 517 in the outside, the range of preventing the incurve is too big and lead to warping, specifically speaking, the range of this incurve is too big and lead to warping including a plurality of horizontal springs 523 and vertical curb plate 524, vertical curb plate 517 can extrude vertical curb plate 524 when the incurve for vertical curb plate 524 rebound, and horizontal spring 523 then the pressurized vertical curb plate 524 of restriction further rebound, make vertical curb plate 524 resume the normal position again, and then also make vertical limiting plate 517 resume the normal position.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, a plurality of deformation mechanism, two side stop gear's structure of preventing is provided in this embodiment for vertical limiting plate 517 can resume the normal position, prevents that the outside crooked range of vertical limiting plate 517 is too big and lead to warping.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. An anti-overheating lithium battery, comprising: a battery box (1), a lithium battery body (101), a power management module (102) and a heat dissipation module (103), an inner protection box (2) is arranged in the battery box (1), the lithium battery body (101) is arranged in the inner protection box (2), the power management module (102) is arranged in the battery box (1) and positioned at the front side of the inner protection box (2), the power management module (102) is electrically connected with the lithium battery body (101), and the front end in the battery box (1) is provided with a charging interface (104), the charging interface (104) is electrically connected with the power management module (102), the heat dissipation module (103) is arranged in the battery box (1) and is positioned at the side edge of the inner protection box (2), the heat dissipation module (103) is electrically connected with the power management module (102);

the inner protection box (2) is composed of a plurality of explosion-proof composite plates (20), each explosion-proof composite plate (20) comprises a first explosion-proof plate (3) and a second explosion-proof plate (4), each second explosion-proof plate (4) is arranged on the inner surface of the corresponding first explosion-proof plate (3), each second explosion-proof plate (4) comprises a first inner explosion-proof plate (401) connected with the inner surface of the corresponding first explosion-proof plate (3), a second inner explosion-proof plate (402) connected with the inner surface of the corresponding first inner explosion-proof plate (401), and a third inner explosion-proof plate (403) connected with the inner surface of the corresponding second inner explosion-proof plate (402), a plurality of first energy absorption grooves (404) are formed in each second inner explosion-proof plate (402), second energy absorption grooves (405) corresponding to the corresponding first energy absorption grooves (404) are formed in the corresponding first inner explosion-proof plates (401), and third energy absorption grooves (406) corresponding to the first energy absorption grooves (404) are formed in the corresponding third energy absorption grooves (406) are formed in the corresponding inner explosion-proof plates (403), a first energy absorption mechanism is arranged in the first energy absorption groove (404), a second energy absorption mechanism corresponding to the first energy absorption mechanism is arranged in the second energy absorption groove (405), and a third energy absorption mechanism corresponding to the first energy absorption mechanism is arranged in the third energy absorption groove (406).

2. The lithium battery of claim 1, wherein the first energy absorbing mechanism comprises a first energy absorbing ejector pin (407), two first energy absorbing plates (408) and a spring (409), the two first energy absorbing plates (408) are arranged on the inner surface of the first energy absorbing groove (404), the first energy absorbing ejector pin (407) is arranged between the two first energy absorbing plates (408), and the spring (409) is sleeved on the first energy absorbing ejector pin (407) and abuts against the first energy absorbing plate (408).

3. The anti-overheating lithium battery according to claim 2, wherein the second energy absorbing mechanism comprises a second energy absorbing ejector rod (410) and a second energy absorbing plate (411), the second energy absorbing plate (411) is disposed in the second energy absorbing groove (405), and the second energy absorbing ejector rod (410) is disposed between the second energy absorbing plate (411) and the first energy absorbing plate (408).

4. The lithium overheat protection battery as claimed in claim 2, wherein the third energy absorbing mechanism comprises a third energy absorbing ejector pin (412), a third energy absorbing plate (413), the third energy absorbing plate (413) is disposed in the third energy absorbing groove (406), and the third energy absorbing ejector pin (412) is disposed between the third energy absorbing plate (413) and the first energy absorbing plate (408).

5. The lithium battery of claim 1, characterized in that the third inner panel (403) is provided with a plurality of triangular ridges (414) on its inner surface and heat dissipation holes on the composite explosion-proof panel (20).

6. The lithium battery of claim 1, wherein the first explosion-proof plate (3) comprises an outer plate (301), a first six-gusset plate (302), an inner plate (303), and a second six-gusset plate (304), the first six-gusset plate (302) being disposed on an inner surface of the outer plate (301), the inner plate (303) being disposed on an inner surface of the first six-gusset plate (302), the second six-gusset plate (304) being disposed on an inner surface of the inner plate (303), and the second explosion-proof plate (4) being disposed on an inner surface of the second six-gusset plate (304).

7. The anti-overheating lithium battery according to claim 1, wherein the bottom of the inner protection box (2) is provided with an anti-falling mechanism (5), the anti-falling mechanism (5) comprises an anti-falling frame and an anti-falling plate, the anti-falling frame comprises two anti-falling rods (501) spaced from each other, a plurality of anti-falling partition plates (502) and a top plate (503), the anti-falling partition plates (502) are arranged between the two anti-falling rods (501), the top plate (503) is arranged between the tops of the two anti-falling partition plates (502), the anti-falling plate comprises two side rods (504) and a plurality of unit plates (505), the ends of the plurality of unit plates (505) are connected through the side rods (504), the anti-falling plate is arranged between the bottoms of the two anti-falling partition plates (502), the adjacent two unit plates (505) are connected through a plurality of U-shaped fixing members (506), the unit plate (505) and the anti-falling partition plate (502) are provided with limiting grooves (507), the end parts of the U-shaped fixing pieces (506) extend into the limiting grooves (507), the end parts of the U-shaped fixing pieces (506) are provided with limiting pieces (508), the limiting pieces (508) comprise two arc-shaped plates (509) and a V-shaped plate (510), the end parts of the V-shaped plate (510) are connected with the lower ends of the arc-shaped plates (509), the upper ends of the arc-shaped plates (509) are connected with necking grooves (511) of the end parts of the U-shaped fixing pieces (506), a transverse partition plate (512) is arranged between the middle part of the U-shaped fixing pieces (506) and the unit plate (505), a cavity (513) is arranged in the middle part, and air holes (514) communicated with the cavity (513) are arranged on the upper surface of the middle part;

the lower surface of roof (503) be provided with a plurality ofly with the refrigeration mechanism that power management module (102) electricity is connected, refrigeration mechanism includes semiconductor refrigeration piece (515), two outer baffles (516) and two vertical limiting plate (517), semiconductor refrigeration piece (515) set up the lower surface of roof (503), outer baffle (516) set up the side of semiconductor refrigeration piece (515), vertical limiting plate (517) set up on the surface of outer baffle (516).

8. The anti-overheating lithium battery of claim 7, further comprising:

a plurality of supplementary stop gear, supplementary stop gear with refrigeration mechanism is corresponding, supplementary stop gear includes vertical pole (518), two horizontal spacing portions, vertical pole (518) set up the upper surface of cell board (505) and are located the below of semiconductor refrigeration piece (515), horizontal spacing portion sets up on the internal surface of vertical limiting plate (517), and are located the top of vertical pole (518), horizontal spacing portion includes horizontal limiting plate (519), flexible pole (520) and pedestal (521), pedestal (521) set up on the internal surface of vertical limiting plate (517), the one end of flexible pole (520) with pedestal (521) are connected, horizontal limiting plate (519) set up the other end of flexible pole.

9. The anti-overheating lithium battery of claim 7, further comprising:

the anti-deformation mechanisms are arranged between the outer surfaces of the two vertical limiting plates (517), each anti-deformation mechanism comprises a plurality of roller bodies (522), and the roller bodies (522) are movably connected with the outer surfaces of the vertical limiting plates (517);

two limit mechanism inclines, limit mechanism inclines includes a plurality of horizontal springs (523) and vertical curb plate (524), horizontal spring (523) set up prevent falling on the internal surface of baffle (502), vertical curb plate (524) with horizontal spring (523) are connected to with the outside vertical limiting plate (517) sliding connection.