CN112027321A

CN112027321A - Box type lithium battery protection device

Info

Publication number: CN112027321A
Application number: CN202010907556.4A
Authority: CN
Inventors: 施捷; 张燕
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2020-12-04

Abstract

The invention discloses a box type lithium battery protection device which comprises a box body, wherein the box body is provided with an upward opening, a placing cavity is arranged in the middle of the inner side of the box body, a fixed seat is arranged at the bottom of the inner side of the placing cavity, and a plurality of lithium batteries which are uniformly arranged are positioned and clamped on the upper surface of the fixed seat. The mount of setting is fixed spacing with a plurality of lithium cells are even, and guarantee to remain certain clearance between the lithium cell, make simultaneously and remain certain clearance between the inner wall of lithium cell and box, make between the lithium cell and all remain certain buffer space between the inner wall of box, the fan that admits air that sets up through terminal surface around the box that sets up is to placing the intracavity in the box and carry the cold air and flow in the clearance between the lithium cell and take away the heat that the lithium cell produced and arrange the heat through the air outlet away, great improvement the heat radiating area of lithium cell, better radiating effect and higher radiating efficiency have.

Description

Box type lithium battery protection device

Technical Field

The invention relates to the technical field of box type lithium batteries, in particular to a box type lithium battery protection device.

Background

Along with the development of society, more and more people pay attention to the environmental protection, lead of a lead-acid storage battery is a main raw material of the lead-acid storage battery, the lead accounts for more than 60% of the mass of the battery, the lead consumption of the global lead-acid storage battery accounts for more than 80% of the total lead consumption, the lead is heavy metal, the industrial chain (including primary lead smelting, battery manufacturing, battery recycling and secondary lead smelting) for manufacturing the lead-acid storage battery has higher lead pollution risk, the environment pollution and the harm to the human health can be caused due to poor management, the mass and the volume energy density of the lead-acid storage battery are low, the energy density is only about 1/3 of a lithium ion battery, about 1/2 of a hydrogen-nickel battery, the size is large, the lithium battery is not suitable for being used in occasions with light mass and small volume, and the lithium battery as a new product has the advantage of small influence on the environment and is widely applied to the life of people, lithium batteries refer to batteries containing lithium (including metallic lithium, lithium alloys and lithium ions, lithium polymers) in an electrochemical system, and can be roughly classified into two types: lithium metal batteries, which are generally non-rechargeable and contain lithium in a metallic state, and lithium ion batteries, which do not contain lithium in a metallic state and are rechargeable.

The applicant of the present invention finds that most of existing electric vehicles use a box-type lithium battery, the box-type lithium battery is an integral battery formed by concentrating a plurality of lithium batteries together and fixedly placing the lithium batteries in a box, and the existing box-type lithium battery lacks effective protection for the lithium batteries during use, and the lithium batteries generate a large amount of heat during use and need to be discharged in time, but the existing box-type lithium battery has poor heat dissipation effect and cannot dissipate the heat in time.

Disclosure of Invention

The invention aims to provide a box type lithium battery protection device, and aims to solve the problems that the conventional box type lithium battery is lack of effective protection on the lithium battery and poor in heat dissipation effect and cannot dissipate heat in time.

The invention is realized by the following steps:

a box type lithium battery protection device comprises a box body, wherein the box body is provided with an upward opening, a placing cavity is arranged in the middle of the inner side of the box body, a fixed seat is arranged at the bottom of the inner side of the placing cavity, a plurality of lithium batteries which are uniformly arranged are positioned and clamped on the upper surface of the fixed seat, the lithium batteries are fixed and limited through a fixed frame sleeved on the lithium batteries, a pressing cover for pressing and fixing the lithium batteries is arranged at the upper end of each lithium battery, partition plates are arranged on the front side and the rear side of the placing cavity in the inner side of the box body, a filter cavity is arranged between each partition plate and the front side wall and the rear side wall of the box body, a filter box is arranged on the inner side of each filter cavity, air passing ports which are uniformly arranged are arranged on each partition plate, a plurality of air inlet fans which are uniformly arranged, and the inner side of the air outlet is provided with an isolation net, a plurality of lithium batteries are uniformly fixed and limited by the arranged fixing frame, and a certain gap is kept between the lithium batteries, meanwhile, a certain gap is reserved between the lithium batteries and the inner wall of the box body, so that certain buffer spaces are reserved between the lithium batteries and between the inner walls of the box body, meanwhile, the lower end and the upper end of the lithium battery are further limited and fixed through the arranged fixing seat and the pressing cover, so that the positioning and the fixing of the lithium battery are more stable and firm, the effective protection of the lithium battery is realized, and the fan that admits air that sets up through terminal surface around the box that sets up carries cold air and flow in the clearance between the lithium cell and take away the heat that the lithium cell produced and dispel the heat through the air outlet to the intracavity of placing in the box, great improvement the heat radiating area of lithium cell, better radiating effect and higher radiating efficiency have.

Further, the up end of case lid is provided with the last backplate that a plurality of evenly arranged, and the lower terminal surface of case lid is provided with the ka tai of card at the last port of box, both ends all are provided with bellied fixed limit about the case lid, the case lid through the card platform realize with the joint of the last port of box to realize the fixed connection with the box through the fixed limit that sets up, the last backplate that sets up through the case lid makes and reinforces the protection to case lid upper end and plays certain cushioning effect when receiving the collision simultaneously.

Further, both ends all are provided with and are connected the limit with fixed limit complex about the box, and both ends still are provided with a plurality of align to grid's side shield about the box, both ends all are provided with the fixed limit fixed connection's of case lid the limit of being connected about the box, make to consolidate the protection to both ends and play certain cushioning effect when receiving the collision about the box through the side shield that sets up.

Furthermore, the lower terminal surface of box is provided with a plurality of align to grid's supporting legs, and one side of supporting legs is through the lower terminal surface fixed connection of vertical limit with the box, is provided with the installation opening of a plurality of U type on the supporting legs, realizes the fixed mounting of box through the supporting legs that sets up to be provided with vertical limit through between supporting legs and the box lower extreme face and realize playing certain cushioning effect when receiving the collision to the terminal surface under the box when consolidated.

Further, the fixing base includes the locating plate, and the surface of locating plate is provided with the locating hole of evenly arranging, and the upper surface of locating plate is close to four corners and all fixes being provided with vertical spliced pole, and the lower extreme of lithium cell is inserted and is fixed in the locating hole, realizes the location installation to the lithium cell through the locating hole on the locating plate to realize and compress tightly the fixed connection of lid through the spliced pole.

Further, the lower surface of pressure strip be provided with lithium cell complex spacing groove, and the pressure strip passes through spacing groove fixed cover on the lithium cell, the upper surface of pressure strip all is provided with the groove of stepping down near four corners, the inboard in groove of stepping down is provided with the screw, and the lower extreme of screw passes pressure strip and spliced pole fixed connection, realizes cup jointing spacing fixed the while to the upper end of lithium cell through the spacing groove that sets up and compresses tightly fixedly the lithium cell.

Further, the mount includes the fixed plate, the fixed cover that is provided with a plurality of and evenly arranges on the fixed plate, and fixed ways is on the lithium cell, the upper and lower surface of fixed plate all is provided with the fin of evenly arranging, and four corners of fixed plate all be provided with spliced pole complex draw-in groove, fix the ways through setting and realize preventing it from appearing rocking to the fixed of lithium cell on the lithium cell, quick absorption in time with the heat that the lithium cell produced carries out quick radiating great improvement lithium cell radiating efficiency with fixed plate and fin department simultaneously, the spacing joint on the spliced pole is realized to the draw-in groove that sets up on the fixed plate simultaneously.

Further, the inboard of filter cartridge is provided with the filter pulp, and the outside surface of filter cartridge is provided with the filtration hole of all arranging, and the filter hole and the filter pulp realization of crossing on the filter cartridge through setting up place the heat dissipation that the inboard of box that the dust in the air entered into to the filtration of air entered into influences the lithium cell.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the plurality of lithium batteries are uniformly fixed and limited by the arranged fixing frame, and certain gaps are kept among the lithium batteries, meanwhile, a certain gap is reserved between the lithium batteries and the inner wall of the box body, so that certain buffer spaces are reserved between the lithium batteries and between the inner walls of the box body, meanwhile, the lower end and the upper end of the lithium battery are further limited and fixed through the arranged fixing seat and the pressing cover, so that the positioning and the fixing of the lithium battery are more stable and firm, the effective protection of the lithium battery is realized, and the fan that admits air that sets up through terminal surface around the box that sets up carries cold air and flow in the clearance between the lithium cell and take away the heat that the lithium cell produced and dispel the heat through the air outlet to the intracavity of placing in the box, great improvement the heat radiating area of lithium cell, better radiating effect and higher radiating efficiency have.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a box type lithium battery protection device according to the present invention;

fig. 2 is a schematic structural diagram of a box body of a box type lithium battery protection device according to the present invention;

fig. 3 is a schematic view of a cover plate of a box-type lithium battery protection device according to the present invention;

fig. 4 is a schematic view of a protective structure of a box-type lithium battery protective device according to the present invention;

fig. 5 is a schematic view of a fixing seat of a box-type lithium battery protection device according to the present invention;

fig. 6 is a schematic view of a compressing cover of a box type lithium battery protection device according to the present invention;

fig. 7 is a schematic view of a holder of a box-type lithium battery protection device according to the present invention;

fig. 8 is a schematic view of a filter cassette of a box-type lithium battery protection device according to the present invention.

In the figure: 1. a box cover; 11. an upper guard plate; 12. fixing the edge; 13. clamping a platform; 2. a box body; 21. a connecting edge; 22. a filter chamber; 23. a placement chamber; 24. an air passing port; 25. supporting legs; 26. an installation opening; 27. a side guard plate; 28. an air outlet; 29. a partition plate; 3. an air inlet fan; 4. a fixed seat; 41. connecting columns; 42. positioning a plate; 43. positioning holes; 5. a fixed mount; 51. a fixing plate; 52. fixing a sleeve; 53. a heat sink; 54. a card slot; 6. a compression cover; 61. a limiting groove; 62. a yielding groove; 7. a lithium battery; 8. a filter cartridge; 81. filtering cotton; 82. and (4) filtering holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, please refer to fig. 1, fig. 2 and fig. 4 specifically, a box-type lithium battery protection device includes a box 2, the box 2 is disposed with an upward opening, a placing cavity 23 is disposed at the middle part of the inner side of the box 2, a fixing seat 4 is disposed at the bottom of the inner side of the placing cavity 23, a plurality of lithium batteries 7 are clamped on the upper surface of the fixing seat 4, the plurality of lithium batteries 7 are fixed and limited by a fixing frame 5 sleeved on the lithium batteries 7, a pressing cover 6 is disposed at the upper end of the lithium batteries 7 for pressing and fixing the lithium batteries 7, partition plates 29 are disposed on the inner side of the box 2 at the front and rear sides of the placing cavity 23, a filter cavity 22 is disposed between the two partition plates 29 and the front and rear side walls of the box 2, a filter box 8 is disposed on the inner side of the filter cavity 22, air passing ports 24 uniformly arranged on the partition plates 29, a plurality of air, and the fixed case lid 1 that is provided with of last port of box 2, the middle part at the right-hand member both ends of box 2 all is provided with air outlet 28, and the inboard that is located air outlet 28 is provided with the separation net, it is spacing with the even fixed of a plurality of lithium cell 7 through the mount 5 that sets up, and guarantee to remain certain clearance between the lithium cell 7, make and remain certain clearance between the inner wall of box 2 between the lithium cell 7, make and all remain certain buffer space between the inner wall of box 2 between the lithium cell 7, simultaneously through fixing base 4 that sets up and compress tightly lid 6 to the lower extreme of lithium cell 7 and the upper end further carry on spacing fixedly make the location of lithium cell 7 fix more firm, the effectual protection to lithium cell 7 is realized, and take away the heat that cold air and flow produced lithium cell 7 and pass through the air outlet in placing the chamber 23 in the box 2 through the fan of admitting air 3 that sets up of terminal surface setting up around the box 2 and to the 28, the heat is discharged, so that the heat dissipation area of the lithium battery 7 is greatly increased, and the lithium battery has a good heat dissipation effect and high heat dissipation efficiency.

Specifically, please refer to fig. 3, the upper end surface of the case cover 1 is provided with a plurality of upper protection plates 11 which are uniformly arranged, the lower end surface of the case cover 1 is provided with a clamping table 13 which is clamped at the upper port of the case body 2, both ends of the case cover 1 are provided with raised fixing edges 12, the case cover 1 is clamped with the upper port of the case body 2 through the clamping table 13, the fixing connection with the case body 2 is realized through the set fixing edges 12, and the upper end of the case cover 1 is reinforced and protected through the upper protection plates 11 arranged on the case cover 1 and plays a certain buffering role when being collided.

Referring to fig. 2 specifically, the left and right ends of the box body 2 are provided with connecting edges 21 matched with the fixing edges 12, the left and right ends of the box body 2 are further provided with a plurality of side protection plates 27 which are uniformly arranged, the left and right ends of the box body 2 are provided with connecting edges 21 fixedly connected with the fixing edges 12 of the box cover 1, and the left and right ends of the box body 2 are reinforced and protected by the side protection plates 27 and have a certain buffering effect when being collided.

Specifically, referring to fig. 2, a plurality of supporting legs 25 are uniformly arranged on the lower end surface of the box body 2, one side of each supporting leg 25 is fixedly connected with the lower end surface of the box body 2 through a vertical edge, a plurality of U-shaped mounting openings 26 are formed in the supporting legs 25, the box body 2 is fixedly mounted through the supporting legs 25, and the vertical edges are arranged between the supporting legs 25 and the lower end surface of the box body 2 to reinforce the lower end surface of the box body 2 and simultaneously play a certain role in buffering when the box body is collided.

Specifically referring to fig. 5, the fixing seat 4 includes a positioning plate 42, positioning holes 43 evenly arranged are formed in the surface of the positioning plate 42, vertical connecting posts 41 are fixedly arranged on the upper surface of the positioning plate 42 near four corners, the lower end of the lithium battery 7 is inserted and fixed in the positioning holes 43, the positioning and mounting of the lithium battery 7 are achieved through the positioning holes 43 in the positioning plate 42, and the fixing connection with the pressing cover 6 is achieved through the connecting posts 41.

Specifically, as shown in fig. 6, the lower surface of the pressing plate 6 is provided with a limiting groove 61 matched with the lithium battery 7, the pressing plate 6 is fixedly sleeved on the lithium battery 7 through the limiting groove 61, the upper surface of the pressing plate 6 is provided with a yielding groove 62 near four corners, the inner side of the yielding groove 62 is provided with a screw, the lower end of the screw passes through the pressing plate 6 and a connecting column 41, and the upper end of the lithium battery 7 is sleeved, limited and fixed through the limiting groove 61, and is pressed and fixed on the lithium battery 7.

Referring to fig. 7 specifically, the fixing frame 5 includes a fixing plate 51, a plurality of fixing sleeves 52 evenly arranged are fixedly arranged on the fixing plate 51, the fixing sleeves 52 are sleeved on the lithium battery 7, the upper surface and the lower surface of the fixing plate 51 are provided with cooling fins 53 evenly arranged, four corners of the fixing plate 51 are provided with clamping grooves 54 matched with the connecting columns 41, the fixing of the lithium battery 7 is prevented from shaking by the aid of the fixing sleeves 52 arranged on the lithium battery 7, meanwhile, the heat generated by the lithium battery 7 is quickly absorbed in time and is transmitted to the fixing plate 51 and the cooling fins 53 to quickly dissipate heat, so that the heat dissipation efficiency of the lithium battery 7 is greatly improved, and meanwhile, the clamping grooves 54 arranged on the fixing plate 51 are used for limiting clamping on.

Specifically, referring to fig. 8, the filter cotton 81 is disposed on the inner side of the filter box 8, the filter holes 82 are uniformly arranged on the outer surface of the filter box 8, and the filter holes 82 and the filter cotton 81 on the filter box 8 are arranged to filter the entering air so that dust in the air enters the inner side of the box 2 to affect the heat dissipation of the lithium battery 7.

The working principle is that the lithium batteries 7 are inserted and fixed in the positioning holes 43 of the fixing seats 4 pre-installed in the placing cavities 23 of the box body 2, then the fixing sleeves 52 on the fixing plates 51 are correspondingly sleeved on the lithium batteries 7, then the pressing covers 6 are sleeved at the upper ends of the lithium batteries 7 for limiting, fixing and pressing, so that a certain gap is reserved between the lithium batteries 7 and the inner wall of the box body 2, a certain buffer space is reserved between the lithium batteries 7 and between the inner walls of the box body 2, when the lithium batteries 7 are impacted and extruded, the gap between the lithium batteries 7 plays a role in slowing down to protect the lithium batteries 7, cold air is conveyed into the placing cavities 23 in the box body 2 through the air inlet fans 3 arranged on the front and rear end faces of the box body 2, the cold air flows in the gap between the lithium batteries 7 to take away heat generated by the lithium batteries 7 and the heat is exhausted through the air outlet 28, so, has better heat dissipation effect and higher heat dissipation efficiency.

The device obtained through the design can basically meet the requirements that the existing box type lithium battery can effectively protect the lithium battery, has good heat dissipation effect and can dissipate heat in time, but the designer further improves the device based on the purpose of further improving the functions of the lithium battery.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a box formula lithium battery protection device, includes box (2), its characterized in that: the box body (2) is arranged with an upward opening, a placing cavity (23) is arranged in the middle of the inner side of the box body (2), a fixing seat (4) is arranged at the bottom of the inner side of the placing cavity (23), a plurality of lithium batteries (7) which are uniformly arranged are clamped on the fixing seat (4) in a positioning mode, the lithium batteries (7) are fixed and limited through a fixing frame (5) sleeved on the lithium batteries (7), a pressing cover (6) for fixedly pressing the lithium batteries (7) is arranged at the upper end of the lithium batteries (7), partition plates (29) are arranged on the inner side of the box body (2) and on the front side and the rear side of the placing cavity (23), filter cavities (22) are arranged between the two partition plates (29) and the front side wall and the rear side wall of the box body (2), filter boxes (8) are arranged on the inner side of the filter cavities (22), and air passing holes (, the air inlet fan (3) of a plurality of align to grid all is provided with to the lateral wall around box (2), and the fixed case lid (1) that is provided with of last port of box (2), the middle part at the right-hand member both ends of box (2) all is provided with air outlet (28), and is located the inboard of air outlet (28) and is provided with the separation net.

2. A box type lithium battery protection device according to claim 1, characterized in that the upper end face of the box cover (1) is provided with a plurality of upper protection plates (11) which are uniformly arranged, the lower end face of the box cover (1) is provided with a clamping table (13) which is clamped at the upper port of the box body (2), and the left end and the right end of the box cover (1) are provided with convex fixing edges (12).

3. A box type lithium battery protection device according to claim 2, characterized in that the box body (2) is provided with connecting edges (21) matching with the fixing edges (12) at the left and right ends, and the box body (2) is further provided with a plurality of side protection plates (27) which are uniformly arranged at the left and right ends.

4. A box type lithium battery protection device according to claim 3, characterized in that the lower end face of the box body (2) is provided with a plurality of supporting legs (25) which are arranged uniformly, one side of each supporting leg (25) is fixedly connected with the lower end face of the box body (2) through a vertical edge, and the supporting legs (25) are provided with a plurality of U-shaped mounting openings (26).

5. A box type lithium battery protection device according to claim 4, wherein the fixing seat (4) comprises a positioning plate (42), the surface of the positioning plate (42) is provided with positioning holes (43) which are uniformly arranged, the upper surface of the positioning plate (42) near four corners is fixedly provided with vertical connecting columns (41), and the lower end of the lithium battery (7) is inserted and fixed in the positioning holes (43).

6. The box-type lithium battery protection device according to claim 5, wherein a limiting groove (61) matched with the lithium battery (7) is formed in the lower surface of the compression plate (6), the compression plate (6) is fixedly sleeved on the lithium battery (7) through the limiting groove (61), the upper surface of the compression plate (6) is provided with a yielding groove (62) near four corners, a screw is arranged on the inner side of the yielding groove (62), and the lower end of the screw penetrates through the compression plate (6) and the connecting column (41) to be fixedly connected.

7. A box type lithium battery protection device as claimed in claim 6, wherein the fixing frame (5) comprises a fixing plate (51), a plurality of fixing sleeves (52) which are uniformly arranged are fixedly arranged on the fixing plate (51), the fixing sleeves (52) are sleeved on the lithium battery (7), the upper and lower surfaces of the fixing plate (51) are provided with heat dissipation fins (53) which are uniformly arranged, and four corners of the fixing plate (51) are provided with clamping grooves (54) which are matched with the connecting columns (41).

8. A box type lithium battery protection device according to claim 7, characterized in that the filter box (8) is provided with filter cotton (81) on the inner side, and the filter box (8) is provided with filter holes (82) on the outer surface.