CN218919027U

CN218919027U - Large-capacity lithium ion battery device easy to radiate heat

Info

Publication number: CN218919027U
Application number: CN202221674289.1U
Authority: CN
Inventors: 李四横; 王志光; 唐建华
Original assignee: Shenzhen Jinli New Energy Technology Co ltd
Current assignee: Shenzhen Jinli New Energy Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-04-25
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of lithium ion batteries, and discloses a high-capacity lithium ion battery device easy to dissipate heat, which comprises an outer shell; the lithium ion battery pack is arranged between the mounting plates, a radiating groove is formed in the side wall of the outer shell, a separation net is arranged in the radiating groove, a first radiating plate is fixed on the inner side wall of the outer shell, facing the radiating groove, of the outer shell, and a second radiating plate is connected to one side, facing the inner side of the outer shell, of the first radiating plate in a sliding mode. The utility model enables the lithium ion battery pack to be arranged in the outer shell in a suspending way, so as to facilitate the heat dissipation and the temperature reduction of the lithium ion battery pack, avoid the problem that the battery is easy to damage even spontaneous combustion due to overhigh temperature, and can play a role in buffering and protecting the lithium ion battery pack by utilizing the elastic support of the spring, thereby avoiding the problem that the lithium ion battery pack is damaged due to collision or drop in the use process of the battery as much as possible.

Description

Large-capacity lithium ion battery device easy to radiate heat

Technical Field

The utility model belongs to the technical field of lithium ion batteries, and particularly relates to a high-capacity lithium ion battery device easy to dissipate heat.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that operates mainly by means of lithium ions moving between a positive electrode and a negative electrode. During charge and discharge, li ⁺ To-and-fro intercalation and deintercalation between two electrodes: during charging, li ⁺ De-intercalation from the positive electrode, and intercalation into the negative electrode through the electrolyte, wherein the negative electrode is in a lithium-rich state; the opposite is true when discharging.

At present, the existing high-capacity lithium ion battery in the market can generate more heat in the use process, and the heat is accumulated in the outer package of the lithium ion battery.

Disclosure of Invention

The utility model aims to provide a high-capacity lithium ion battery device easy to dissipate heat, which aims to solve the problems that the existing high-capacity lithium ion battery on the market in the prior art can generate more heat in the use process and is accumulated in the outer package of the lithium ion battery, and the existing outer package of the lithium ion battery is mostly of an integral sealing structure, so that the problem that the battery is damaged or even self-burned due to excessive heat accumulation is easily caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-capacity lithium ion battery device easy to dissipate heat comprises an outer shell;

the utility model discloses a lithium ion battery pack, including shell body, mounting panel, adjusting knob, screw, adjusting knob, mounting panel, the inside position department that is close to both ends of shell body all is fixed with the mounting panel, a pair of be provided with lithium ion battery pack between the mounting panel, the radiating groove has been seted up on the shell body lateral wall, install the net that separates in the radiating groove, be fixed with first heating panel on the inside wall of shell body orientation radiating groove, one side sliding connection of first heating panel orientation shell body inside has the second heating panel, the slotted hole has all been seted up on first heating panel and the second heating panel, a plurality of slotted holes have been seted up side by side, the one end of second heating panel is fixed with the lead screw, the lead screw runs through mounting panel and thread bush and is equipped with adjust knob, adjust knob rotates and installs on the mounting panel, just one side of adjust knob runs through the shell body lateral wall.

Preferably, springs are connected to two ends of the lithium ion battery pack, mounting grooves are formed in the mounting plates, and the springs penetrate through the mounting grooves and are connected with the inner end wall of the outer shell.

Preferably, the two ends of the second heat dissipation plate facing to one surface of the lithium ion battery pack are respectively provided with a first support block, and the first support blocks are in sliding contact with the lithium ion battery pack.

Preferably, one end of the second heat dissipation plate far away from the screw rod is fixed with a guide rod, the guide rod movably penetrates through the mounting plate, and a limiting hole for the screw rod and the guide rod to extend out is formed in the end wall of the outer shell.

Preferably, the lithium ion battery pack comprises a hollowed-out box, a plurality of battery blocks are arranged in the hollowed-out box side by side, a second branch block is arranged between every two adjacent battery blocks, an electrode is arranged on the outer end wall of the outer shell, and the electrode is electrically connected with the battery blocks.

Preferably, the upper surface and the lower surface of the outer shell are both provided with heat dissipation strips, the heat dissipation strips are arranged side by side, the upper surface and the lower surface of the outer shell are both provided with a plurality of vent holes, and the vent holes are positioned between two adjacent heat dissipation strips.

Compared with the prior art, the utility model has the beneficial effects that: the lithium ion battery is favorable for rapid heat dissipation of a large-capacity lithium ion battery, and in the use process, the heat generated by the lithium ion battery can be dissipated as quickly as possible, so that the safety is improved, the problem that the battery is easy to damage due to overhigh temperature and even self-ignition is avoided, and the lithium ion battery has strong practicability.

1. According to the utility model, the lithium ion battery pack is connected and supported by the spring and the first support block, so that the lithium ion battery pack is suspended in the shell body, the heat dissipation and the temperature reduction of the lithium ion battery pack are facilitated, the problem that the battery is easy to damage and even spontaneous combustion due to overhigh temperature is avoided, the buffer protection effect on the lithium ion battery pack can be achieved by utilizing the elastic support of the spring, and the problem that the lithium ion battery pack is damaged due to collision or drop of the battery in the use process is avoided as much as possible.

2. According to the utility model, the second cooling plate can move relative to the first cooling plate through the threaded matching of the adjusting knob and the screw rod, so that dislocation of the second cooling plate and a plurality of slots on the first cooling plate can be generated to different degrees, when the slots on the second cooling plate and the first cooling plate are aligned, the matching cooling grooves can realize rapid cooling of the lithium ion battery pack, and when the slots on the second cooling plate and the first cooling plate are mutually dislocated, the cooling grooves can be closed, so that the battery can be stored conveniently, different use requirements can be met, and the lithium ion battery pack has high practicability.

3. According to the utility model, the second support blocks are arranged among the plurality of battery blocks, and the hollowed-out box is matched, so that the heat dissipation of the battery blocks is facilitated, and meanwhile, the heat dissipation strips and the vent holes on the upper surface and the lower surface of the outer shell are utilized, so that the heat in the outer shell can be conducted and dissipated as soon as possible, and the heat dissipation effect of the battery is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the outer casing of the present utility model;

FIG. 3 is a schematic diagram of a first heat sink structure according to the present utility model;

fig. 4 is a schematic structural diagram of a lithium ion battery pack according to the present utility model.

In the figure: 1. an outer housing; 2. a heat dissipation strip; 3. a vent hole; 4. an electrode; 5. a limiting hole; 6. a heat sink; 7. a screen; 8. an adjustment knob; 9. a lithium ion battery pack; 10. a mounting plate; 11. a mounting groove; 12. a spring; 13. a first heat dissipation plate; 14. a second heat dissipation plate; 15. a first branch block; 16. a screw rod; 17. a guide rod; 18. a slot hole; 19. routing the box; 20. a battery block; 21. and a second branch block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

a large-capacity lithium ion battery device easy to dissipate heat comprises an outer shell 1;

the position department that is close to both ends inside shell body 1 all is fixed with mounting panel 10, be provided with lithium ion battery 9 between a pair of mounting panel 10, set up radiating groove 6 on the shell body 1 lateral wall, install in the radiating groove 6 and separate net 7, be fixed with first heating panel 13 on the inside wall of shell body 1 orientation radiating groove 6, first heating panel 13 is towards the inside one side sliding connection of shell body 1 has second heating panel 14, slotted hole 18 has all been seted up on first heating panel 13 and the second heating panel 14, slotted hole 18 has seted up a plurality ofly side by side, the one end of second heating panel 14 is fixed with lead screw 16, lead screw 16 runs through mounting panel 10 and the thread bush is equipped with adjust knob 8, adjust knob 8 rotates to install on mounting panel 10, and one side of adjust knob 8 runs through the shell body 1 lateral wall.

In order to protect the lithium ion battery pack 9, in this embodiment, preferably, springs 12 are connected to both ends of the lithium ion battery pack 9, a mounting groove 11 is formed in the mounting plate 10, and the springs 12 penetrate through the mounting groove 11 and are connected to the inner end wall of the outer casing 1. The elastic support of the spring 12 can play a role in buffering and protecting the lithium ion battery pack 9, so that the problem that the lithium ion battery pack 9 is damaged due to collision or drop of the battery in the use process is avoided as much as possible.

In order to further limit the lithium ion battery pack 9, in this embodiment, preferably, two ends of the second heat dissipation plate 14 facing one side of the lithium ion battery pack 9 are both provided with first support blocks 15, the first support blocks 15 are in sliding contact with the lithium ion battery pack 9, and in the elastic buffering process of the spring 12 to the lithium ion battery pack 9, the first support blocks 15 and the lithium ion battery pack 9 slide relatively, so that two sides of the lithium ion battery pack 9 can be limited.

In order to further limit the second heat dissipation plate 14, in this embodiment, preferably, one end of the second heat dissipation plate 14 far away from the screw rod 16 is fixed with a guide rod 17, the guide rod 17 movably penetrates through the mounting plate 10, a limit hole 5 for extending the screw rod 16 and the guide rod 17 is formed in the end wall of the outer shell 1, in the process of moving the second heat dissipation plate 14 and the first heat dissipation plate 13 relatively, the guide rod 17 is utilized to shuttle on the mounting plate 10, one end of the second heat dissipation plate 14 far away from the screw rod 16 can be guided in a limited manner, the problem of offset of the second heat dissipation plate 14 is avoided as much as possible, and the limit hole 5 can be used for moving the screw rod 16 and the guide rod 17.

In order to facilitate further heat dissipation of the lithium ion battery pack 9, in this embodiment, preferably, the lithium ion battery pack 9 includes a hollowed-out box 19, a plurality of battery blocks 20 are arranged in the hollowed-out box 19 side by side, a second supporting block 21 is arranged between two adjacent battery blocks 20, an electrode 4 is arranged on the outer end wall of the outer casing 1, and the electrode 4 is electrically connected with the battery blocks 20. The second support blocks 21 arranged among the plurality of battery blocks 20 and the hollow box 19 are matched, so that heat generated by the battery blocks 20 during use can be conveniently diffused outwards.

In order to accelerate the dissipation of heat inside the outer shell 1, in this embodiment, preferably, the upper surface and the lower surface of the outer shell 1 are both provided with heat dissipation strips 2, the heat dissipation strips 2 are provided with a plurality of air vents 3 side by side, the upper surface and the lower surface of the outer shell 1 are both provided with a plurality of air vents 3, the air vents 3 are positioned between two adjacent heat dissipation strips 2, and by utilizing the arrangement of the heat dissipation strips 2, pores are generated between the outer shell 1 and a contact surface when the outer shell 1 is placed, and the air vents 3 are matched to facilitate the rapid dissipation of heat inside the outer shell 1.

The working principle and the using flow of the utility model are as follows: when the lithium ion battery pack 9 is used, firstly, the spring 12 and the first supporting block 15 are used for supporting the lithium ion battery pack 9 in a connecting mode, so that the lithium ion battery pack 9 is arranged in the outer shell 1 in a suspended mode, heat dissipation and temperature reduction of the lithium ion battery pack 9 are facilitated, and the spring 12 is used for supporting the lithium ion battery pack 9 in an elastic mode, so that the lithium ion battery pack 9 can be buffered and protected, and the problem that the lithium ion battery pack 9 is damaged due to collision or drop of the battery in the using process is avoided as much as possible.

Secondly, rub adjust knob 8 rotation, make lead screw 16 drive second heating panel 14 and remove for first heating panel 13, and then can make the different degree of a plurality of slotted holes 18 on second heating panel 14 and the first heating panel 13 produce dislocation, when second heating panel 14 aligns with slotted hole 18 on first heating panel 13, cooperation heat dissipation groove 6 can realize the quick heat dissipation to lithium ion battery 9, when the slotted hole 18 on second heating panel 14 and the first heating panel 13 misplaced each other, can make heat dissipation groove 6 department closed, so that the storage of this battery, satisfy different user demands.

Further, the second supporting blocks 21 arranged among the plurality of battery blocks 20 and the hollow box 19 are matched, so that heat dissipation of the battery blocks 20 is facilitated, and meanwhile, the heat dissipation strips 2 and the vent holes 3 on the upper surface and the lower surface of the outer shell 1 are utilized, so that heat conduction dissipation inside the outer shell 1 can be realized as soon as possible, and the heat dissipation effect of the battery is improved.

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

Claims

1. A high-capacity lithium ion battery device easy to dissipate heat comprises an outer shell;

the method is characterized in that: the utility model discloses a lithium ion battery pack, including shell body, mounting panel, adjusting knob, screw, adjusting knob, mounting panel, the inside position department that is close to both ends of shell body all is fixed with the mounting panel, a pair of be provided with lithium ion battery pack between the mounting panel, the radiating groove has been seted up on the shell body lateral wall, install the net that separates in the radiating groove, be fixed with first heating panel on the inside wall of shell body orientation radiating groove, one side sliding connection of first heating panel orientation shell body inside has the second heating panel, the slotted hole has all been seted up on first heating panel and the second heating panel, a plurality of slotted holes have been seted up side by side, the one end of second heating panel is fixed with the lead screw, the lead screw runs through mounting panel and thread bush and is equipped with adjust knob, adjust knob rotates and installs on the mounting panel, just one side of adjust knob runs through the shell body lateral wall.

2. The high capacity lithium ion battery device of claim 1, wherein: the lithium ion battery pack is characterized in that springs are connected to two ends of the lithium ion battery pack, mounting grooves are formed in the mounting plates, and the springs penetrate through the mounting grooves and are connected with the inner end wall of the outer shell.

3. The high capacity lithium ion battery device of claim 1, wherein: the second cooling plate is provided with first piece towards the both ends of lithium ion battery group one side, first piece and lithium ion battery group sliding contact.

4. The high capacity lithium ion battery device of claim 1, wherein: the one end that the lead screw was kept away from to the second heating panel is fixed with the guide bar, the guide bar activity runs through the mounting panel, set up the spacing hole that supplies lead screw and guide bar to stretch out on the shell body end wall.

5. The high capacity lithium ion battery device of claim 1, wherein: the lithium ion battery pack comprises a hollowed-out box, a plurality of battery blocks are arranged in the hollowed-out box side by side, a second support block is arranged between every two adjacent battery blocks, an electrode is arranged on the outer end wall of the outer shell, and the electrode is electrically connected with the battery blocks.

6. The high capacity lithium ion battery device of claim 1, wherein: the heat dissipation device comprises an outer shell, and is characterized in that heat dissipation strips are arranged on the upper surface and the lower surface of the outer shell, a plurality of vent holes are formed in the upper surface and the lower surface of the outer shell, and the vent holes are located between two adjacent heat dissipation strips.