CN215342781U

CN215342781U - Soft-package lithium battery pack

Info

Publication number: CN215342781U
Application number: CN202121184682.8U
Authority: CN
Inventors: 赵兴华; 卢建立; 杜丽亚; 曹明明; 郑泽成; 马永亮
Original assignee: Boxin Communication Co ltd
Current assignee: Boxin Communication Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-28
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a soft-package lithium battery pack which comprises a plurality of lithium battery bodies, an electric connecting plate and an assembling box, wherein the plurality of lithium battery bodies are electrically connected through the electric connecting plate, a plurality of mounting grooves are formed in the assembling box, the lithium battery bodies are mounted in the mounting grooves, the electric connecting plate is connected in the assembling box, a plurality of connecting sheets are connected through a plurality of conducting wires, a plurality of sliding grooves are formed in the assembling box, a mounting plate is slidably mounted in the sliding grooves through a sliding block, a plurality of mounting seats are connected on the mounting plate, the lithium battery bodies are mounted in the mounting seats, the mounting seats and the mounting grooves are in sliding fit, the assembling box is connected with a box cover through a clamping mechanism, the box cover is connected with the mounting plate through a plurality of buffer springs, the assembling box is connected with a cooling mechanism, and the top end and the bottom end of the assembling box are connected with heat dissipation plates through a plurality of mounting bolts, the radiating plate is connected with a plurality of radiating fins, and the cooling performance and the protection performance are good.

Description

Soft-package lithium battery pack

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a soft-package lithium battery pack.

Background

Along with the development of energy storage technology, lithium iron phosphate batteries are widely used in energy storage technology with the advantages of safety, environmental protection, multi-cycle and the like, a lithium iron phosphate battery module is formed by assembling a plurality of battery cells in a series-parallel connection mode to form voltage and capacity required by a user for the user to use, a soft package battery cell is used as a packaging mode of the battery cells, and the lithium iron phosphate battery module has the advantages of light weight, large capacity, small internal resistance, flexible design and the like and is widely used as a basic unit in the assembly of the battery module.

Through the retrieval, chinese patent publication is CN 207269032U's utility model patent discloses a soft packet of lithium cell group, its roughly description does, including the iron box, detachable is connected with a plurality of lithium cell module in the iron box, and the lithium cell module is equipped with the power line and leads out the hole, and a plurality of lithium cell module lead out the hole through the power line and connect in series/parallelly, the iron box still be equipped with the BMS subassembly and with BMS subassembly electric connection's communication interface, communication interface electric connection has the power selection module of locating in the iron box, the power selection module is used for selecting and switching soft packet of lithium cell group's output voltage.

Although the equipment of prior art scheme among the above-mentioned is simple and stable performance, but it can produce the heat in the use, generates heat for a long time and harms the life of battery easily, is not convenient for cool down the group battery among the prior art to lithium battery module bumps easily in the inside of iron box and causes the damage, and it is not convenient for protect lithium battery module.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a soft-package lithium battery pack to solve the problem of poor cooling performance and protection performance in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a soft package lithium battery pack comprises a plurality of lithium battery bodies and an electric connecting plate, wherein the lithium battery bodies are electrically connected through the electric connecting plate, the soft package lithium battery pack also comprises an assembling box, a plurality of mounting grooves are formed in the assembling box, the lithium battery bodies are mounted in the mounting grooves, the electric connecting plate is connected in the assembling box, the electric connecting plate is connected with a plurality of connecting sheets through a plurality of wires, a plurality of sliding grooves are formed in the assembling box, a mounting plate is slidably mounted in the sliding grooves through sliding blocks, a plurality of mounting seats are connected on the mounting plate, the lithium battery bodies are mounted in the mounting seats, the mounting seats and the mounting grooves are in sliding fit, the assembling box is connected with a box cover through a clamping mechanism, the box cover is connected with the mounting plate through a plurality of buffer springs, the assembling box is connected with a cooling mechanism, and the top end and the bottom end of the assembling box are both connected with a heat dissipation plate through a plurality of mounting bolts, the heat dissipation plate is connected with a plurality of heat dissipation fins.

Preferably, the clamping mechanism comprises a plurality of clamping rods, a plurality of sliding holes are formed in the assembling box, the clamping rods and the sliding holes are in sliding fit, clamping blocks are connected onto the clamping rods, a plurality of pull grooves matched with the clamping blocks are formed in the assembling box, a plurality of clamping grooves matched with the clamping blocks are formed in the box cover, a plurality of pull plates are connected to the clamping rods, located on the same side of the assembling box, of the box cover, and the pull plates are connected with the assembling box through a plurality of clamping springs.

Furthermore, the cooling mechanism comprises a cooler, the cooler is mounted on the assembling box, the cooler is connected with a cooling pipe, and the cooling pipe extends into the side wall of the assembling box and is arranged in the side wall of the assembling box in an arched multi-layer manner.

Still further, the inside rotation of mounting groove is connected with a plurality of balls.

Furthermore, a plurality of protective pads are connected inside the mounting groove.

On the basis of the scheme, the pull plate is connected with a handle.

On the basis of the scheme, the box cover is further connected with a pull ring.

Furthermore, a handle is connected to the mounting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a soft-package lithium battery pack which has the following beneficial effects:

1. this soft packet of lithium cell group is convenient for cool off the inside of packing box through cooling device to cooling down lithium cell body, the heating panel can give the fin with the heat transfer that lithium cell body work produced, a plurality of fins dispel the heat simultaneously can play better cooling effect, solved the inconvenient problem of cooling down to the lithium cell among the foretell prior art to a certain extent, consequently, this soft packet of lithium cell group is convenient for cool off, life is longer.

2. This soft packet of lithium cell group, lithium cell body installs in the inside of mount pad, install in the inside of mounting groove through the mount pad, chucking device can carry out the chucking to the case lid, fix lithium cell body in the inside of mounting groove, can carry on spacingly to lithium cell body, be convenient for cushion protection to mounting panel and lithium cell body through buffer spring, absorb lithium cell body's collision vibration, be convenient for avoid the collision damage to the lithium cell among the prior art, consequently, this soft packet of lithium cell group is convenient for protect lithium cell body.

Drawings

FIG. 1 is a partially cut-away perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

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

FIG. 4 is a schematic perspective view of the cooler and cooling tube assembly of the present invention;

FIG. 5 is a schematic perspective view of the cover, clamping rod, pull plate and handle of the present invention;

fig. 6 is a partially cut-away front plan view of the present invention.

In the figure: 1. a lithium battery body; 2. an electrical connection board; 3. an assembly box; 4. connecting sheets; 5. mounting a plate; 6. a mounting seat; 7. a box cover; 8. a buffer spring; 9. a heat dissipation plate; 10. a heat sink; 11. a clamping rod; 12. a clamping block; 13. pulling a plate; 14. a cooler; 15. a cooling tube; 16. a ball bearing; 17. a protective pad; 18. a handle; 19. a pull ring; 20. and (4) a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Examples

Referring to fig. 1-6, a soft package lithium battery pack comprises a plurality of lithium battery bodies 1 and an electrical connection board 2, wherein the plurality of lithium battery bodies 1 are electrically connected through the electrical connection board 2, the soft package lithium battery pack further comprises an assembly box 3, a plurality of mounting grooves are formed in the assembly box 3, the lithium battery bodies 1 are mounted in the mounting grooves, a plurality of balls 16 are rotatably connected in the mounting grooves, the lithium battery bodies 1 are conveniently mounted and dismounted, a plurality of protective pads 17 are connected in the mounting grooves, the lithium battery bodies 1 can be protected, the electrical connection board 2 is connected in the assembly box 3, the electrical connection board 2 is connected with a plurality of connecting sheets 4 through a plurality of wires, the soft package lithium battery pack and electric equipment can be connected through the connecting sheets 4, a plurality of sliding grooves are formed in the assembly box 3, and a mounting plate 5 is slidably mounted in the sliding grooves through sliders, be connected with a plurality of mount pads 6 on the mounting panel 5, lithium cell body 1 installs in the inside of mount pad 6, and mount pad 6 and mounting groove are sliding fit, are connected with handle 20 on the mounting panel 5, and accessible mount pad 5 and mount pad 6 take out a plurality of lithium cell body 1 from the inside of a plurality of mounting grooves, and equipment case 3 is connected with case lid 7 through chucking mechanism, is connected with pull ring 19 on the case lid 7, is convenient for carry out the switching to case lid 7.

It should be further noted that the clamping mechanism includes a plurality of clamping rods 11, the assembly box 3 is provided with a plurality of sliding holes, the clamping rods 11 are in sliding fit with the sliding holes, the clamping rods 11 are connected with clamping blocks 12, the assembly box 3 is provided with a plurality of pull grooves matched with the clamping blocks 12, the clamping blocks 12 are wedge-shaped, so as to facilitate the installation of the box cover 7, the box cover 7 is provided with a plurality of clamping grooves matched with the clamping blocks 12, the clamping rods 11 on the same side of the assembly box 3 are connected with pull plates 13, the pull plates 13 are connected with the assembly box 3 through a plurality of clamping springs, the clamping springs can clamp the clamping blocks 12 into the clamping grooves, so as to fix the box cover 7, the clamping blocks 12 can be pulled into the inside of the pull grooves by pulling the pull plates 13, so as to open the box cover 7, the pull plates 13 are connected with handles 18, so as to facilitate the pulling of the pull plates 13, the box cover 7 is connected with the mounting plate 5 through a plurality of buffer springs 8, the buffer spring 8 is used for conveniently carrying out buffer protection on the mounting plate 5 and the lithium battery body 1 and absorbing the collision vibration of the lithium battery body 1, the soft-package lithium battery pack is used for conveniently protecting the lithium battery body 1, the assembling box 3 is connected with a cooling mechanism, the cooling mechanism comprises a cooler 14, the cooler 14 is installed on the assembling box 3, the cooler 14 is connected with a cooling pipe 15, the cooling pipe 15 extends into the inner part of the side wall of the assembling box 3 and is arranged in the side wall of the assembling box 3 in an arched multi-layer manner, the cooling pipe 15 can be cooled through the cooler 14, the inner part of the assembling box 3 can be cooled through the cooling pipe 15, so as to cool the lithium battery body 1, the top end and the bottom end of the assembling box 3 are both connected with a heat dissipation plate 9 through a plurality of mounting bolts, the heat dissipation plate 9 is connected with a plurality of heat dissipation fins 10, and the heat generated by the work of the lithium battery body 1 can be transferred to the heat dissipation plates 10 through the heat dissipation plate 9, a plurality of fin 10 dispel the heat simultaneously and can play better cooling effect, and this soft packet of lithium cell group is convenient for cool off.

The cooler 14 in this embodiment is a conventional device that is purchased from the market and known to those skilled in the art, the model of the cooler 14 is SR-W25, and may also be customized or selected according to actual requirements, in this patent, we only use it, and do not improve its structure and function, and its setting mode, installation mode, and electrical connection mode, for those skilled in the art, as long as they perform debugging operations according to the requirements of their usage specifications, and are not described herein again, and the cooler 14 is provided with a control switch that is matched with it, and the installation position of the control switch is selected according to actual requirements, so that the operation and control of the operator can be facilitated.

To sum up, this soft packet of lithium cell group's theory of operation and working process do, when using, at first need install the lithium cell, operating personnel installs lithium cell 1 in the inside of mount pad 6, the inside at the mounting groove that corresponds is installed lithium cell 1 through the cooperation of slider and spout and the roll of ball 16, protect lithium cell 1 through protection pad 17, then install case lid 7 on equipment case 3, it fixes case lid 7 to drive fixture block 12 through the chucking spring, through buffer spring 8 to lithium cell 1 buffer protection can.

Further, lithium cell 1 produces the heat after working for a long time, when dispelling the heat to lithium cell 1, operating personnel opens cooler 14, can cool off cooling tube 15 through cooler 14, cooling tube 15 can cool down the inside of packing box 3, thereby cool off lithium cell 1, heating panel 9 can give radiating fin 10 with the heat transfer that lithium cell 1 work produced, a plurality of radiating fins 10 give off simultaneously can to the heat of heating panel 9.

Still further, when needing to dismantle lithium cell body 1, operating personnel pulling handle 18 can pull out fixture block 12 from the inside of draw-in groove, and pulling pull ring 19 takes off case lid 7, and pulling handle 20 accessible mounting panel 5 and mount pad 6 take out lithium cell body 1 from the inside of mounting groove.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a soft packet of lithium cell group, includes a plurality of lithium cell body (1) and electric connection board (2), and a plurality of lithium cell body (1) are through electric connection board (2) electric connection, its characterized in that: the lithium battery assembly box comprises an assembly box body (3), a plurality of mounting grooves are formed in the assembly box body (3), a lithium battery body (1) is arranged in each mounting groove, an electric connecting plate (2) is connected to the inside of the assembly box body (3), the electric connecting plate (2) is connected with a plurality of connecting pieces (4) through a plurality of wires, a plurality of sliding grooves are formed in the assembly box body (3), a mounting plate (5) is arranged in each sliding groove in a sliding mode through a sliding block, a plurality of mounting seats (6) are connected to the mounting plate (5), the lithium battery body (1) is arranged in each mounting seat (6), the mounting seats (6) and the mounting grooves are in sliding fit, the assembly box body (3) is connected with a box cover (7) through a clamping mechanism, the box cover (7) is connected with the mounting plate (5) through a plurality of buffer springs (8), the assembly box body (3) is connected with a cooling mechanism, the top end and the bottom end of the assembly box body (3) are connected with a heat dissipation plate (9) through a plurality of mounting bolts, a plurality of radiating fins (10) are connected to the radiating plate (9).

2. The lithium-ion battery pack according to claim 1, wherein: chucking mechanism includes a plurality of kellies (11), has seted up a plurality of slide openings on equipment case (3), kellies (11) and slide opening are sliding fit, be connected with fixture block (12) on kellies (11), set up a plurality of kerfs that match with fixture block (12) on equipment case (3), set up a plurality of draw-in grooves that match with fixture block (12) on case lid (7), a plurality of kellies (11) that lie in equipment case (3) with one side are connected with arm-tie (13), arm-tie (13) are connected through a plurality of chucking springs and equipment case (3).

3. The lithium-ion battery pack according to claim 2, wherein: the cooling mechanism comprises a cooler (14), the cooler (14) is installed on the assembling box (3), the cooler (14) is connected with a cooling pipe (15), and the cooling pipe (15) extends into the side wall of the assembling box (3) and is arranged in the side wall of the assembling box (3) in an arched multi-layer mode.

4. The lithium-ion battery pack according to claim 3, wherein: the inside of the mounting groove is rotatably connected with a plurality of balls (16).

5. The lithium-ion battery pack according to claim 4, wherein: the inside of mounting groove is connected with a plurality of protection pads (17).

6. The lithium-ion battery pack according to claim 5, wherein: the pulling plate (13) is connected with a handle (18).

7. The lithium-ion battery pack according to claim 6, wherein: the box cover (7) is connected with a pull ring (19).

8. The lithium-ion battery pack according to claim 7, wherein: the mounting plate (5) is connected with a handle (20).