CN215955361U - Durable type low temperature lithium ion battery group - Google Patents

Abstract

The utility model discloses a durable low-temperature lithium ion battery pack which comprises a box body, a heating module, a heat conducting plate and a cooling fan, wherein a cover plate is connected to the top of the box body, cooling channels are connected and arranged inside two ends of the cover plate, a pull handle is connected and arranged in the middle of the top of the cover plate, the pull handle and the top of the cover plate are fixedly connected, a battery pack body is connected and arranged inside the box body, a plurality of battery monomers are placed inside the battery pack body, and the heating module is connected and arranged outside the battery monomers. According to the utility model, the outgoing line is arranged at one end of the heating module and can be connected with the battery manager equipment by penetrating through the wiring through hole, the heating module has good temperature resistance, electrical insulation and radiation resistance, can be used for a long time within a temperature range of 269-280 ℃, and is soft in material, resistant to bending, fast in heating, uniform in heating, low in power consumption, insulating, breathable and better in adaptability.

Description

Durable type low temperature lithium ion battery group

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a durable low-temperature lithium ion battery pack.

Background

The lithium ion battery has the advantages of high voltage, large capacity, small volume, light weight and the like, so that the lithium ion battery is widely applied to various industries, particularly has a wide application range in the communication industry, and is particularly used as a communication battery. The lithium ion battery is sensitive to the temperature of the use environment, and particularly has low charging and discharging efficiency below 0 ℃, so that certain potential safety hazards exist in charging and discharging below 0 ℃.

The existing lithium ion battery pack has a complex structure, and the internal structure is complex in wiring, and the internal heat dissipation performance is not ideal enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a durable low-temperature lithium ion battery pack to solve the problems of complex structure, complicated internal structure wiring, unsatisfactory internal heat dissipation performance and the like in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a durable type low temperature lithium ion battery group, includes box, heating module, heat-conducting plate and radiator fan, the top connection of box is provided with the apron, the internal connection at apron both ends is provided with heat dissipation channel, the intermediate position at apron top is connected and is provided with the pull handle, the pull handle belongs to the fixed connection setting with the apron top, the internal connection of box is provided with the group battery body, a plurality of battery monomers have been placed to the inside of group battery body, the free outside of battery all is connected and is provided with the heating module.

Preferably, the two sides of the interior of the box body are both connected with inner grooves, and the inner grooves are internally provided with cooling fans.

Preferably, the bottom of the box body and the lower part of the battery pack body are provided with bottom frames, and the inside of each bottom frame is connected with a positioning groove.

Preferably, the top of group battery body and the bottom of apron all are connected and are provided with the heat-conducting plate, the heat-conducting plate belongs to fixed connection setting with the apron bottom.

Preferably, one side of the heat conducting plate is provided with a plurality of elastic sheets in a connecting manner, and the heat conducting plate and the elastic sheets are fixedly connected.

Preferably, the top and the bottom of heat-conducting plate both sides all are connected and are provided with the installation piece, the installation piece with the heat-conducting plate belong to fixed connection setting.

Preferably, a plurality of heat dissipation through holes are formed in one side of the inner groove and the two sides of the box body in a connected mode, and wiring through holes are formed in the lower portions of the heat dissipation through holes and one side of the box body in a connected mode.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the durable low-temperature lithium ion battery pack, the single battery and the heating module assembly are arranged, the outgoing line is arranged at one end of the heating module and can be connected with the battery manager device by penetrating through the wiring through hole, the heating module has good temperature resistance, electrical insulation and radiation resistance and can be used for a long time within a temperature range of 269-280 ℃, and the heating module is soft in material, resistant to bending, fast in heating, uniform in heating, low in power consumption, insulating, breathable and good in adaptability;

(2) according to the durable low-temperature lithium ion battery pack, the heat dissipation fan and the heat dissipation through hole fittings are arranged, the heat dissipation of the interior of the box body can be realized through the arrangement of the heat dissipation fan, the temperature of the interior of the box body is convenient to be in a moderate state, and the problem that the battery pack body cannot work normally due to overhigh temperature is avoided;

(3) this kind of durable type low temperature lithium ion battery group, through setting up the heat-conducting plate, the shell fragment, accessories such as chassis and constant head tank, the setting up of chassis and constant head tank can make the group battery body can stably place in the inside position of box, avoid appearing the group battery body and rock the problem of displacement in the box is inside, and the heat-conducting plate has extremely strong heat conductivity, can further accelerate the overheated heat of box and group battery body whole body to go, the setting of shell fragment can just contact with corresponding free electrode of battery respectively.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the undercarriage of the present invention;

fig. 4 is a schematic diagram of the overall top view of the heat-conducting plate of the present invention.

In the figure: 1. a box body; 2. a cover plate; 3. a heat dissipation channel; 4. pulling a handle; 5. a battery pack body; 6. a battery cell; 7. a heating module; 8. a heat conducting plate; 9. a spring plate; 10. an inner tank; 11. a heat radiation fan; 12. A heat dissipating through hole; 13. a wiring through hole; 14. a chassis; 15. positioning a groove; 16. and (7) installing the block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a durable low-temperature lithium ion battery pack comprises a box body 1, a heating module 7, a heat conducting plate 8 and a cooling fan 11, wherein the top of the box body 1 is connected with a cover plate 2, the inner parts of the two ends of the cover plate 2 are connected with cooling channels 3, the middle position of the top of the cover plate 2 is connected with a pull handle 4, the pull handle 4 and the top of the cover plate 2 belong to fixed connection arrangement, the inner part of the box body 1 is connected with a battery pack body 5, the top of the battery pack body 5 and the bottom of the cover plate 2 are both connected with the heat conducting plate 8, and the heat conducting plate 8 and the bottom of the cover plate 2 belong to fixed connection arrangement;

the battery pack comprises a battery pack body 5, a plurality of battery monomers 6 are placed in the battery pack body 5, heating modules 7 are connected and arranged outside the battery monomers 6, the heating modules 7 are sequentially wrapped at two side positions of the battery monomers 6 respectively, and are placed at the top of a bottom frame 14 and the inner position of a box body 1 along with the battery monomers 6, so that good temperature resistance, electrical insulation and radiation resistance are achieved;

the two sides of the interior of the box body 1 are both connected with inner grooves 10, the interior of each inner groove 10 is provided with a cooling fan 11, and the cooling fan 11 can be started to blow away the overheated heat in the box body 1;

the bottom of the box body 1 and the lower part of the battery pack body 5 are provided with bottom frames 14, positioning grooves 15 are connected and arranged in the bottom frames 14, and the positioning grooves 15 can be placed conveniently for placing the battery monomers 6;

one side of the heat conducting plate 8 is connected with a plurality of elastic sheets 9, the heat conducting plate 8 and the elastic sheets 9 are fixedly connected, and the elastic sheets 9 are used for contacting with the electrodes of the single batteries 6, so that the normal operation of the battery pack body 5 in the box body 1 is ensured;

the top and the bottom of the two sides of the heat conducting plate 8 are both connected with mounting blocks 16, the mounting blocks 16 and the heat conducting plate 8 belong to fixed connection arrangement, and the arrangement of the mounting blocks 16 can facilitate the fixed mounting work of the heat conducting plate 8 and the mounting and the bottom position of the cover plate 2;

one side of inside groove 10 and the both sides of box 1 all are connected and are provided with a plurality of heat dissipation through-holes 12, the below of heat dissipation through-hole 12 and the connection of one side of box 1 are provided with wiring through-hole 13, and heat dissipation through-hole 12 is convenient for steam effluvium, and the setting of wiring through-hole 13 can be convenient for line connection and the connection of group battery body 5 and other equipment.

When the embodiment of the application is used: one end of heating module 7 is provided with the lead-out wire accessible and passes wiring through-hole 13 and be connected with battery manager equipment, heating module 7 has good temperature toleration, electrical insulation and radiation resistance, can be used for a long time at 269 to 280 ℃ temperature range, radiator fan 11's setting can be realized dispelling the heat to the box 1 inside, the box 1 inside temperature of being convenient for is in moderate state, chassis 14 and constant head tank 15's setting can make group battery body 5 can stably place at box 1 inside position, avoid appearing group battery body 5 and rock the problem of displacement in box 1 inside, and heat-conducting plate 8 has extremely strong heat conductivity, can further accelerate the overheated heat of box 1 and group battery body 5 whole body to dispel, the setting of shell fragment 9 just can contact with corresponding battery monomer 6's electrode respectively.

Claims (7)

1. The utility model provides a durable type low temperature lithium ion battery group, its characterized in that, includes box (1), heating module (7), heat-conducting plate (8) and radiator fan (11), the top connection of box (1) is provided with apron (2), the internal connection at apron (2) both ends is provided with heat dissipation channel (3), the intermediate position at apron (2) top is connected and is provided with pull handle (4), pull handle (4) and apron (2) top belong to fixed connection and set up, the internal connection of box (1) is provided with group battery body (5), a plurality of battery monomer (6) have been placed to the inside of group battery body (5), the outside of battery monomer (6) all is connected and is provided with heating module (7).

2. The durable low-temperature lithium ion battery pack according to claim 1, wherein: the refrigerator is characterized in that inner grooves (10) are connected to two sides of the interior of the refrigerator body (1), and heat dissipation fans (11) are installed inside the inner grooves (10).

3. A durable low-temperature lithium ion battery pack according to claim 2, wherein: the bottom of the box body (1) and the lower part of the battery pack body (5) are provided with bottom frames (14), and positioning grooves (15) are formed in the inner connection of the bottom frames (14).

4. The durable low-temperature lithium ion battery pack according to claim 1, wherein: the battery pack is characterized in that the top of the battery pack body (5) and the bottom of the cover plate (2) are both connected and provided with heat-conducting plates (8), and the heat-conducting plates (8) and the bottom of the cover plate (2) are fixedly connected.

5. The durable low-temperature lithium ion battery pack according to claim 4, wherein: one side of the heat conducting plate (8) is connected with a plurality of elastic sheets (9), and the heat conducting plate (8) and the elastic sheets (9) are fixedly connected.

6. The durable low-temperature lithium ion battery pack according to claim 5, wherein: the top and the bottom of heat-conducting plate (8) both sides all are connected and are provided with installation piece (16), installation piece (16) belong to fixed connection with heat-conducting plate (8) and set up.

7. A durable low-temperature lithium ion battery pack according to claim 2, wherein: the heat dissipation device is characterized in that a plurality of heat dissipation through holes (12) are connected and arranged on one side of the inner groove (10) and two sides of the box body (1), and wiring through holes (13) are connected and arranged below the heat dissipation through holes (12) and one side of the box body (1).

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