CN217281019U

CN217281019U - Lithium battery with heat insulation structure

Info

Publication number: CN217281019U
Application number: CN202220157114.7U
Authority: CN
Inventors: 陈鸿宇; 陈红周
Original assignee: Nanchi Energy Technology Shenzhen Co ltd
Current assignee: Nanchi Energy Technology Shenzhen Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-23
Anticipated expiration: 2032-01-20

Abstract

The utility model provides a lithium battery with a heat insulation structure, which relates to the technical field of lithium batteries and comprises a lithium battery body, wherein the upper end and the lower end of the lithium battery body are respectively and fixedly connected with a first heat-insulating plate and a second heat-insulating plate, one side of the first heat-insulating plate and the second heat-insulating plate, which is far away from the lithium battery body, is respectively and movably connected with a first heat-insulating plate and a second heat-insulating plate through springs, two sides of the lithium battery body are respectively and fixedly connected with heat-insulating side plates, the left end and the right end of the lithium battery body are respectively and movably connected with a limit component, the top end of the lithium battery body is fixedly connected with a positive electrode joint and a negative electrode joint, the outside of the positive electrode joint and the negative electrode joint is provided with a sleeve, the lithium battery body can be well radiated through the arrangement of the heat-insulating plates and the heat-insulating plates, and external components and the lithium battery body have certain spacing through the arrangement of the limit components, thereby playing the thermal-insulated effect to lithium cell body.

Description

Lithium battery with heat insulation structure

Technical Field

The utility model relates to a lithium battery technology field particularly, relates to a lithium cell with thermal-insulated structure.

Background

The lithium battery is a battery which uses non-aqueous electrolyte solution and takes lithium metal or lithium alloy as a positive/negative electrode material, and the combined small lithium battery provided by the patent with the application number of CN201922328566.8 comprises a battery frame, wherein first U-shaped rails are distributed at the bottom of the inner side of the battery frame at equal intervals, second U-shaped rails corresponding to the first U-shaped rails are arranged at the top of the inner side of the battery frame at equal intervals, lithium battery blocks are clamped between the second U-shaped rails and the first U-shaped rails, a partition plate is vertically fixed between the lithium battery blocks, a heat dissipation cavity is arranged between the partition plate and the lithium battery blocks, and a fixing plate is arranged at one side of the battery frame. The utility model discloses a modular small-size lithium cell blocks through first slider and second slider between the inside first U type rail of battery frame and second U type rail with lithium cell block card, contradicts to the electrode tank until the electrode contact of lithium cell block one end for a plurality of lithium cell block series each other concentrate the power supply, close sealed lid back, utilize the hand to twist the bolt and fix the locating piece in battery frame one end, the blotter corresponds the laminating with the cushion this moment, make the lithium cell when jolting, be difficult for impairedly.

However, according to the technical scheme, the lithium battery cannot be insulated and thermally conducted, so that when the lithium battery is used, internal heat cannot be well dissipated, and the lithium battery is easily influenced by operation heat of surrounding components, so that the lithium battery is operated in a high-heat state for a long time, the service life of the lithium battery is shortened, and therefore improvement is made to the lithium battery, and the lithium battery with the thermal insulation structure is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a lithium battery with a heat insulation structure, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lithium cell with thermal-insulated structure, includes lithium cell body, both ends are first heating panel of fixedly connected with and second heating panel respectively about lithium cell body, one side that lithium cell body was kept away from to first heating panel and second heating panel has first heat insulating board and second heat insulating board through spring swing joint respectively, lithium cell body both sides are the thermal-insulated curb plate of fixedly connected with respectively, lithium cell body left and right sides both ends swing joint respectively has spacing subassembly, spacing subassembly includes backup pad and limiting plate, two the backup pad passes through connecting rod swing joint in lithium cell body both sides, limiting plate fixed connection is in the backup pad one side of being close to lithium cell body, the positive negative pole of lithium cell body top fixedly connected with connects, positive negative pole connects the outside and is provided with the sleeve, the sleeve sets up in two spring inboards.

Preferably, the left end and the right end of the lithium battery body are respectively and fixedly connected with radiating fins on two sides of the supporting plate, and two ends of the connecting rod are respectively and rotatably connected with the radiating fins.

Preferably, both ends difference fixedly connected with connecting block about the thermal-insulated curb plate, the connecting block is kept away from the inside fastening screw that runs through of one end of thermal-insulated curb plate, the fastening screw lower extreme runs through first heating panel and with lithium cell body threaded connection.

Preferably, the lower end of the sleeve is fixedly connected with the lithium battery body, two connecting holes corresponding to the sleeve are formed in the first heat insulation plate, and the sleeve is movably connected inside the connecting holes.

Preferably, the two ends of the first heat insulation plate and the second heat insulation plate are respectively provided with a movable groove, and the outer sides of the two movable grooves are respectively provided with a limiting groove.

Preferably, the inner wall of the movable groove is rotatably connected with a roller, and the outer peripheral surface of the roller is in rolling connection with the support plate.

Preferably, the two ends of the supporting plate penetrate through the movable groove and the baffle fixedly connected with the movable groove respectively, and the lower surface of the baffle is attached to the inner wall of the limiting groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

through set up heating panel and fin in the lithium cell body outside, and set up the limiting plate and carry on spacingly to the heat insulating board, rotate through the backup pad and support in the lithium cell body both sides, thereby make and keep certain interval between heat insulating board and the heating panel, can make heating panel and fin have certain heat dissipation space, lithium cell body's radiating effect has been ensured, lithium cell body's life is prolonged, can also ensure to have certain interval between external components and parts and the lithium cell body simultaneously, avoid the heat that external components and parts operation produced to influence lithium cell body.

Drawings

Fig. 1 is a schematic view of an overall structure of a lithium battery having a heat insulation structure according to the present invention;

fig. 2 is a schematic top view of a lithium battery with a thermal insulation structure according to the present invention;

fig. 3 is a schematic sectional view of a-a in fig. 2 of a lithium battery having a thermal insulation structure according to the present invention;

fig. 4 is an exploded view of the overall structure of a lithium battery having a heat insulation structure according to the present invention.

In the figure: 1. a lithium battery body; 2. a limiting component; 3. a heat insulation side plate; 4. connecting blocks; 5. a first heat dissipation plate; 6. a sleeve; 7. positive and negative electrode connectors; 8. a first heat insulation plate; 9. a movable groove; 10. a heat sink; 11. a spring; 12. a roller; 13. a second heat dissipation plate; 14. a second heat insulation plate; 15. a limiting groove; 16. connecting holes; 17. fastening screws; 201. a support plate; 202. a connecting rod; 203. a baffle plate; 204. and a limiting plate.

Detailed Description

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

Examples

As shown in FIGS. 1 to 4, a lithium battery with a heat insulation structure comprises a lithium battery body 1, wherein the upper end and the lower end of the lithium battery body 1 are respectively and fixedly connected with a first heat dissipation plate 5 and a second heat dissipation plate 13, one sides of the first heat dissipation plate 5 and the second heat dissipation plate 13 away from the lithium battery body 1 are respectively and movably connected with a first heat insulation plate 8 and a second heat insulation plate 14 through springs 11, two sides of the lithium battery body 1 are respectively and fixedly connected with heat insulation side plates 3, the left end and the right end of the lithium battery body 1 are respectively and movably connected with a limiting assembly 2, the limiting assembly 2 comprises a support plate 201 and a limiting plate 204, the two support plates 201 are movably connected with two sides of the lithium battery body 1 through connecting rods 202, the limiting plate 204 is fixedly connected with one side of the support plate 201 close to the lithium battery body 1, the top end of the lithium battery body 1 is fixedly connected with a positive electrode joint 7 and a negative electrode joint 7, and a sleeve 6 is arranged outside the positive electrode joint 7, the sleeve 6 is arranged inside the two springs 11.

In this embodiment, the lithium battery body 1 has the heat sink 10 fixedly connected to the left and right ends and located on the two sides of the supporting plate 201, and the two ends of the connecting rod 202 are rotatably connected to the heat sink 10.

In a specific arrangement, when the first and second

heat insulating plates

8 and 14 are moved toward the direction close to the lithium battery main body 1, the support plate 201 slides relative to the inner wall of the movable groove 9, and the supporting plate 201 rotates around the connecting rod 202 until the first and second

heat insulating plates

8 and 14 are respectively attached to the limiting plate 204, by arranging the limit plate 204, the first and second heat-

insulating plates

8 and 14 can be limited, so that the first and second

heat insulating plates

8 and 14 are spaced apart from the upper and lower surfaces of the lithium battery cell body 1 during the mounting process, thereby, the lithium battery body 1 can be insulated, and when the support plate 201 rotates, the two ends of the supporting plate 201 are located on two sides of the lithium battery body 1 all the time, and a certain distance exists between the two ends of the supporting plate and the lithium battery body 1, so that the two sides of the lithium battery body 1 can be prevented from contacting with other components, and the lithium battery body 1 has a good heat dissipation space.

In this embodiment, both ends are fixedly connected with connecting block 4 respectively about the thermal-insulated curb plate 3, and connecting block 4 keeps away from the inside fastening screw 17 that runs through of one end of thermal-insulated curb plate 3, and fastening screw 17 lower extreme runs through first heating panel 5 and with lithium cell body 1 threaded connection.

When specifically setting up, the connecting block 4 is corresponding with the position of the inside notch of seting up of first heating panel 5, and the purpose can fix first heating panel 5 and thermal-insulated curb plate 3 simultaneously through fastening screw 17, saves the time of installation and dismantlement, makes the operation simpler.

In this embodiment, the lower end of the sleeve 6 is fixedly connected with the lithium battery body 1, two connection holes 16 corresponding to the sleeve 6 are formed in the first heat insulation plate 8, and the sleeve 6 is movably connected inside the connection holes 16.

When specifically setting up, establish sleeve 6 through the outside cover at positive negative pole joint 7, can play better guard action to positive negative pole joint 7, avoid reciprocating the in-process at first heat insulating board 8 and extrude positive negative pole joint 7, lead to positive negative pole to connect 7 to damage to can also play direction and spacing effect to the motion of first heat insulating board 8.

In this embodiment, the first heat insulation board 8 and the second heat insulation board 14 are respectively opened with a movable groove 9 at both ends, and a limiting groove 15 is respectively opened at the outer side of the two movable grooves 9.

In this embodiment, the inner wall of the movable groove 9 is rotatably connected with a roller 12, and the outer peripheral surface of the roller 12 is rotatably connected with the support plate 201.

In this embodiment, two ends of the supporting plate 201 respectively penetrate through the movable slot 9 and are fixedly connected with the baffle 203, and the lower surface of the baffle 203 is attached to the inner wall of the limiting slot 15.

When the lithium battery is specifically arranged, the roller 12 is arranged in the movable groove 9, so that when the first heat insulation board 8 and the second heat insulation board 14 move, the roller 12 contacts and rolls with the support plate 201, thereby improving the moving fluency of the first heat insulation board 8 and the second heat insulation board 14, reducing the friction force between parts, limiting the first heat insulation board 8 and the second heat insulation board 14 by arranging the baffles 203 at the two ends of the support plate 201, ensuring that the two ends of the first heat insulation board 8 and the second heat insulation board 14 are parallel to the lithium battery body 1 under the driving of the spring 11, arranging the first heat dissipation plate 5 and the second heat dissipation plate 13 at the upper end and the lower end of the lithium battery body 1 respectively, arranging the heat dissipation fins 10 at the left end and the right end of the lithium battery body 1, playing a better heat dissipation role for the lithium battery body 1, arranging the spring 11 between the first heat dissipation plate 5 and the first heat insulation board 8, and between the second heat dissipation plate 13 and the second heat insulation board 14 respectively, can play buffering and absorbing effect to limiting plate 204 and lithium cell body 1 in the installation, avoid violent striking to damage lithium cell body 1.

The working principle of the lithium battery with the heat insulation structure is as follows:

when the lithium battery is used, the first heat-insulating plate 5 and the second heat-insulating plate 13 drive the spring 11 and the first heat-insulating plate 8 to be respectively placed at the upper end and the lower end of the lithium battery body 1, the heat-insulating side plate 3 drives the connecting block 4 to correspondingly abut against the outer sides of the first heat-insulating plate 5 and the second heat-insulating plate 13, the heat-insulating side plate 3, the first heat-insulating plate 5 and the second heat-insulating plate 13 are respectively fixed through the fastening screws 17, the movable grooves 9 at the two ends of the first heat-insulating plate 8 are respectively sleeved at the two ends of the supporting plate 201 in the process of installing the first heat-insulating plate 8, the baffle plates 203 are respectively and fixedly installed at the two ends of the supporting plate 201, when the lithium battery body 1 is installed, the first heat-insulating plate 8 and the second heat-insulating plate 14 are respectively driven to move towards one side close to the lithium battery body 1, so that the spring 11 contracts, and the first heat-insulating plate 8 and the second heat-insulating plate 14 respectively abut against the limiting plate 204, thereby ensure that first heat insulating board 8 and second heat insulating board 14 keep certain interval with first heating panel 5 and second heating panel 13 respectively, be convenient for dispel the heat to lithium cell body 1, and avoid other spare part and lithium cell body 1 upper and lower both ends contact, install thermal-insulated curb plate 3 and fin 10 in lithium cell body 1 both sides and install the backup pad 201 in the inside fin 10 and play the same effect, can play better thermal-insulated effect to lithium cell body 1 promptly, when being connected lithium cell body 1 with consumer, the cover is established and is being adjusted the negative pole and connect 7 outside sleeve 6 and can play the guard action well to negative pole joint 7, avoid positive negative pole to connect 7 not hard up or cause the damage with other spare part contacts with the junction of lithium cell body 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A lithium battery with a heat insulation structure comprises a lithium battery body (1), and is characterized in that: the lithium battery comprises a lithium battery body (1), wherein a first heat dissipation plate (5) and a second heat dissipation plate (13) are fixedly connected to the upper end and the lower end of the lithium battery body (1) respectively, one side, far away from the lithium battery body (1), of the first heat dissipation plate (5) and the second heat dissipation plate (13) is respectively and movably connected with a first heat insulation plate (8) and a second heat insulation plate (14) through a spring (11), two sides of the lithium battery body (1) are respectively and fixedly connected with heat insulation side plates (3), the left end and the right end of the lithium battery body (1) are respectively and movably connected with a limiting assembly (2), each limiting assembly (2) comprises a supporting plate (201) and a limiting plate (204), the two supporting plates (201) are movably connected to two sides of the lithium battery body (1) through connecting rods (202), the limiting plate (204) is fixedly connected to one side, close to the lithium battery body (1), of the top end of the lithium battery body (1) is fixedly connected with a positive electrode connector (7), the positive and negative electrode connectors (7) are externally provided with sleeves (6), and the sleeves (6) are arranged on the inner sides of the two springs (11).

2. A lithium battery having a heat insulating structure as claimed in claim 1, wherein: both ends just are located backup pad (201) both sides respectively fixedly connected with fin (10) about lithium cell body (1), connecting rod (202) both ends are rotated with fin (10) respectively and are connected.

3. A lithium battery having a heat insulating structure as claimed in claim 1, wherein: both ends difference fixedly connected with connecting block (4) about thermal-insulated curb plate (3), connecting block (4) are kept away from the inside fastening screw (17) that runs through of one end of thermal-insulated curb plate (3), fastening screw (17) lower extreme run through first heating panel (5) and with lithium cell body (1) threaded connection.

4. A lithium battery having a heat insulating structure as claimed in claim 1, wherein: the lithium battery is characterized in that the lower end of the sleeve (6) is fixedly connected with the lithium battery body (1), two connecting holes (16) corresponding to the sleeve (6) are formed in the first heat insulation plate (8), and the sleeve (6) is movably connected into the connecting holes (16).

5. A lithium battery having a heat insulating structure as claimed in claim 1, wherein: the two ends of the first heat insulation plate (8) and the second heat insulation plate (14) are respectively provided with a movable groove (9), and the outer sides of the two movable grooves (9) are respectively provided with a limiting groove (15).

6. A lithium battery having a heat insulating structure as claimed in claim 5, wherein: the inner wall of the movable groove (9) is rotatably connected with a rolling shaft (12), and the outer peripheral surface of the rolling shaft (12) is in rolling connection with the support plate (201).

7. A lithium battery having a thermal insulation structure as claimed in claim 5, wherein: the supporting plate (201) both ends run through activity groove (9) and fixedly connected with baffle (203) respectively, baffle (203) lower surface and spacing groove (15) inner wall laminating.