CN217522133U

CN217522133U - Battery package fast dispels heat

Info

Publication number: CN217522133U
Application number: CN202221576436.1U
Authority: CN
Inventors: 张贺鹏; 王冬波; 邹翔宇
Original assignee: Zhejiang Mingpeng New Energy Technology Co ltd
Current assignee: Zhejiang Mingpeng New Energy Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-30
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a quick heat dissipation battery pack relates to battery technology field, and it includes two at least battery body, is used for connecting the connection piece of a plurality of battery body and is used for the heat dissipation and the radiating piece of fixed battery body, sets up the fixed orifices that the battery body was placed and is fixed on the radiating piece, sets up the spacing ring that is used for spacing battery body on the radiating piece, and the spacing ring is located along the radial one side of battery body, connection piece and battery body's utmost point body butt. This application has the inside effect of dispelling the heat of easily carrying on of messenger's battery package.

Description

Battery package fast dispels heat

Technical Field

The application relates to the technical field of batteries, in particular to a quick heat dissipation battery pack.

Background

Lithium batteries are batteries using lithium metal or lithium alloy as positive and negative electrode materials and using nonaqueous electrolyte solutions. With the development of the microelectronic technology in the twentieth century, the number of miniaturized devices is increasing, high requirements are made on power supplies, and the adoption of lithium batteries as the power supplies becomes mainstream.

In the correlation technique, in the use of lithium cell, when the voltage capacity of single lithium cell can not satisfy the use scene, establish ties or parallelly connected formation a lithium cell package with a plurality of lithium cells through the electrode slice to satisfy the use scene.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: because can produce the heat with the lithium cell in charge-discharge, and the circumference lateral wall of a plurality of lithium cells of battery package inside is laminated mutually and is placed together to make the inside heat dissipation that is difficult to of battery package, there is improved space in addition.

SUMMERY OF THE UTILITY MODEL

In order to make the inside heat dissipation that easily carries out of battery package, this application provides a quick heat dissipation battery package.

The application provides a quick heat dissipation battery package adopts following technical scheme:

the utility model provides a quick heat dissipation battery pack, includes two at least battery body, is used for connecting the connection piece of a plurality of battery body and is used for the heat dissipation and fix battery body's radiating piece, set up the confession on the radiating piece battery body places and fixed orifices, it is spacing to set up on the radiating piece be used for the spacing battery body's spacing ring, the spacing ring is located along the radial one side of battery body, the connection piece with battery body's utmost point body butt.

Through adopting above-mentioned technical scheme, through placing a plurality of battery body and being fixed in the radiating piece, fix battery body through the radiating piece, make battery body be difficult to take place to remove, and dispel the heat to battery body through the radiating piece, make the inside heat dissipation that dispels easily of battery package.

Optionally, the heat sink is provided with a heat absorbing element, and the heat sink is provided with a placing groove for placing and fixing the heat absorbing element.

By adopting the technical scheme, the heat absorbing piece is arranged on the heat radiating piece, so that the heat radiated from the battery body is accelerated to be absorbed through the heat absorbing piece, and the heat radiating efficiency of the battery body is improved.

Optionally, a fixing plate for fixing the heat absorbing element is arranged on the heat dissipating element, the fixing plate is located on one side of the heat dissipating element away from the limiting ring, a mounting hole for inserting and placing the battery body is formed in the fixing plate, and the fixing plate is covered on the placing groove.

Through adopting above-mentioned technical scheme, set up the fixed plate on the radiating piece, locate on the standing groove through the fixed plate lid to in being fixed in the standing groove with the heat absorbing piece, make the heat absorbing piece be difficult to drop from the radiating piece.

Optionally, the fixing plate and the heat dissipation member are both provided with a sheet placing groove for placing and fixing the connecting sheet.

Through adopting above-mentioned technical scheme, all set up on fixed plate and radiating piece and put the piece groove, through placing the connection piece and being fixed in putting the piece inslot to fix the connection piece, make the connection piece be difficult to take place to remove.

Optionally, the fixing plate and the heat sink are both provided with positioning columns for positioning and fixing the connecting sheet, the positioning columns are located in the sheet placing grooves, and the connecting sheet is provided with positioning holes for the positioning columns to be inserted and fixed.

Through adopting above-mentioned technical scheme, all set up the reference column on fixed plate and radiating piece, insert and be fixed in the locating hole through the reference column to fix the connection piece, make the connection piece be difficult to take place to remove.

Optionally, a circuit board is arranged on the heat dissipation member, a socket used for being electrically connected with an external circuit is arranged on one side, away from the heat dissipation member, of the circuit board, and the circuit board is electrically connected with the battery body.

Through adopting above-mentioned technical scheme, set up the circuit board on the radiating piece, set up the socket on the circuit board, carry out the electricity through socket and external circuit and be connected to make battery body provide the electric energy for external circuit, make things convenient for the operator to use battery body.

Optionally, a connecting piece for electrically connecting with the circuit board is arranged on the connecting piece.

By adopting the technical scheme, the connecting piece is arranged on the connecting piece, and the connecting piece is electrically connected with the circuit board through the connecting piece, so that the battery body is electrically connected with the circuit board, and an operator can use the battery body conveniently.

Optionally, the connecting piece is close to one side of circuit board is provided with the inserted sheet, offer the confession on the circuit board the jack that the inserted sheet inserted and was fixed.

Through adopting above-mentioned technical scheme, set up the inserted sheet on the connecting piece, through inserting the inserted sheet and be fixed in the jack, be fixed in the connecting piece with the circuit board on to make the circuit board be difficult to take place to remove.

Optionally, the insertion piece is provided with a yielding groove for abutting against and fixing the circuit board.

Through adopting above-mentioned technical scheme, set up on the inserted sheet and move back and let the groove, make the circuit board butt and be fixed in on the inserted sheet through moving back and letting the groove to make the circuit board be difficult to take place to remove.

Optionally, fixing members for fixing the battery body are arranged on the connecting pieces close to the two ends of the heat dissipation member in the length direction, and the fixing members are abutted to the circumferential side faces of the battery body.

By adopting the technical scheme, the fixing piece is arranged on the connecting piece and is abutted against the circumferential side face of the battery body through the fixing piece, so that the fixing piece is used for fixing the circumferential direction of the battery body, and the battery body is not easy to move.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plurality of battery bodies are placed and fixed in the radiating pieces, the battery bodies are fixed through the radiating pieces, so that the battery bodies are not easy to move, and the battery bodies are radiated through the radiating pieces, so that the inside of the battery pack is easy to radiate;

2. the heat absorbing piece is arranged on the heat radiating piece, so that the heat radiated from the battery body is absorbed quickly by the heat absorbing piece, and the heat radiating efficiency of the battery body is improved;

3. the fixing plate covers the placing groove, so that the heat absorbing piece is fixed in the placing groove, and the heat absorbing piece is not easy to fall off from the heat radiating piece.

Drawings

Fig. 1 is a schematic view of an overall structure of a battery pack with rapid heat dissipation in an embodiment of the present application.

Fig. 2 is a first exploded view of the battery body, the connecting tab, the heat sink, and the fixing plate in the embodiment of the present application.

Fig. 3 is an exploded view of the circuit board and the heat sink in the embodiment of the present application.

Fig. 4 is an exploded view of the heat sink and heat sink in an embodiment of the present application.

Fig. 5 is an exploded view of the battery body, the connecting tab, the heat sink, and the fixing plate in the example of the present application.

Description of reference numerals: 1. a battery body; 2. connecting sheets; 3. a heat sink; 4. a fixing hole; 5. placing a sheet hole; 6. a limiting ring; 7. a heat absorbing member; 8. a placement groove; 9. a fixing plate; 10. a sheet placing groove; 11. a positioning column; 12. positioning holes; 13. a circuit board; 14. a socket; 15. a connecting member; 16. inserting sheets; 17. a jack; 18. a receding groove; 19. a fixing member; 20. mounting holes; 21. an annular aperture; 22. a workpiece placing groove; 23. a sheet is fixed.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1 and 2, an embodiment of the present application discloses a battery pack with rapid heat dissipation, which includes at least two battery bodies 1, a connecting piece 2, and a heat sink 3. The connecting sheet 2 is used for connecting a plurality of battery bodies 1, the connecting sheet 2 is positioned at two ends along the length direction of the battery bodies 1, and the connecting sheet 2 is abutted to the pole body of the battery body 1. Radiating piece 3 is made for the material of easy heat conduction such as metal, radiating piece 3 is used for heat dissipation and fixed battery body 1, set up on the radiating piece 3 and supply battery body 1 to place and fixed orifices 4, the length direction of fixed orifices 4 is unanimous with battery body 1's length direction, the length direction of fixed orifices 4 is mutually perpendicular with the length direction of radiating piece 3, the diameter of fixed orifices 4 equals the diameter of battery body 1, thereby make the inseparable butt of battery body 1 with radiating piece 3, make things convenient for battery body 1 to give off the heat to radiating piece 3 on. One side of the heat radiation piece 3 is integrally provided with a limiting ring 6 used for limiting the battery body 1, the limiting ring 6 is positioned on one side along the radial direction of the battery body 1, and the battery body 1 is not easy to move out of the fixing hole 4 through the limiting ring 6, so that the battery body 1 is not easy to fall off from the heat radiation piece 3. Absorb and distribute to the air in the external world through the heat dissipation piece 3 that gives off the heat that battery body 1 gived off to dispel the heat to battery body 1, make the inside heat dissipation of battery package easily.

Referring to fig. 2 and 3, a circuit board 13 is mounted on a circumferential side surface of the heat sink 3, the circuit board 13 is located on a side of the heat sink 3 where the fixing hole 4 is not formed, and a length direction of the circuit board 13 is identical to a length direction of the heat sink 3. A socket 14 is mounted on the side of the circuit board 13 away from the heat sink 3, and the socket 14 is used for electrical connection with an external circuit. The connection piece 2 is integrally provided with a connector 15 for electrical connection with the circuit board 13. The circuit board 13 is electrically connected with the battery body 1 through the connecting piece 15, so that after the socket 14 is electrically connected with an external circuit, the battery body 1 is convenient to provide electric energy for the external circuit.

Referring to fig. 2 and 3, an insertion piece 16 is integrally disposed on one side of the connecting piece 15 close to the circuit board 13, and an insertion hole 17 for inserting and fixing the insertion piece 16 is formed in the circuit board 13. The insertion piece 16 is inserted into and fixed in the insertion hole 17, so that the circuit board 13 is not easy to move. The insertion piece 16 is provided with a receding groove 18 for abutting and fixing the circuit board 13, and the circuit board 13 abuts against the bottom of the receding groove 18 through the receding groove 18, so that the circuit board 13 does not abut against the heat sink 3 directly, and heat on the heat sink 3 affects the circuit board 13.

Referring to fig. 2 and 3, fixing members 19 for fixing the battery body 1 are integrally provided on the connection piece 2 near both sides in the longitudinal direction of the heat sink 3, the longitudinal direction of the fixing members 19 is perpendicular to the longitudinal direction of the connection piece 2, and the fixing members 19 abut against the end surfaces of the heat sink 3 in the longitudinal direction. The fixing piece 23 is integrally arranged on one side, close to the circuit board 13, of the fixing piece 19, the circuit board 13 is provided with a piece placing hole 5 for the fixing piece 23 to be inserted and fixed, and the fixing piece 23 is inserted and fixed into the piece placing hole 5, so that the circuit board 13 is not easy to move.

Referring to fig. 2 and 4, the heat sink 3 is provided with a heat absorbing member 7, the heat absorbing member 7 is used for absorbing heat on the heat sink 3, and the heat sink 3 is made of a phase change material, so that the heat sink 3 can rapidly absorb or dissipate heat and can store the heat. And a placing groove 8 for placing and fixing the heat absorbing element 7 is formed in one side of the heat radiating element 3, which is far away from the limiting ring 6. The annular hole 21 is preset on the heat absorbing member 7, so that when the heat absorbing member 7 is placed and fixed in the placing groove 8, the contact area between the heat absorbing member 7 and the heat dissipating member 3 is increased, and the heat absorbing efficiency is improved.

Referring to fig. 2 and 5, a fixing plate 9 for covering the placement groove 8 is mounted on one side of the heat dissipating member 3 away from the limiting ring 6 through bolts, and the fixing plate 9 is used for limiting the heat absorbing member 7 in the placement groove 8. The fixing plate 9 is provided with a mounting hole 20 for the battery body 1 to pass through and mount, and the diameter of the mounting hole 20 is equal to that of the battery body 1.

Referring to fig. 2 and 5, a side of the fixing plate 9 away from the heat sink 3 and a side of the heat sink 3 away from the fixing plate 9 are both provided with a sheet placing groove 10 for placing and fixing the connecting sheet 2. The shape and the area of the piece placing groove 10 are consistent with those of the connecting piece 2, and the depth of the piece placing groove 10 is equal to the thickness of the connecting piece 2, so that when the connecting piece 2 is placed and fixed in the piece placing groove 10, the connecting piece 2 on the fixing plate 9 is fixed on the fixing plate 9, and the connecting piece 2 on the radiating piece 3 is fixed on the radiating piece 3, so that the connecting piece 2 is not easy to fall off from the fixing plate 9 and the radiating piece 3.

Referring to fig. 2 and 5, the fixing plate 9 and the heat dissipating member 3 are both provided with a piece placing groove 22 for placing the connecting piece 15, and the piece placing groove 22 is communicated with the piece placing groove 10. The depth of the placement groove 22 is equal to the thickness of the connection member 15, so that the connection member 15 is not easily detached from the fixing plate 9 and the heat sink 3 when the connection member 15 is placed and fixed in the placement groove 22.

Referring to fig. 2 and 5, the fixing plate 9 and the heat sink 3 are integrally provided with a positioning column 11 for positioning and fixing the connecting sheet 2, the positioning column 11 is located in the sheet placing groove 10, the height of the positioning column 11 is equal to the thickness of the connecting sheet 2, and the connecting sheet 2 is provided with a positioning hole 12 for inserting and fixing the positioning column 11. Through inserting reference column 11 and being fixed in locating hole 12, make things convenient for the operator to know the mounted position of connection piece 2 to make things convenient for the operator to install connection piece 2, and increase the area of contact of fixed plate 9 and connection piece 2, increase the area of contact of fixed plate 9 and radiating piece 3, thereby make connection piece 2 be difficult to drop from fixed plate 9 and radiating piece 3.

The implementation principle of the battery pack capable of rapidly dissipating heat in the embodiment of the application is as follows:

1. after the socket 14 is electrically connected with an external circuit, the battery body 1 starts to work, the battery body 1 starts to emit heat, the heat dissipation piece 3 absorbs the heat emitted from the battery body 1 through the groove wall of the fixing hole 4, the heat absorption piece 7 absorbs and stores the heat on the heat dissipation piece 3 at the moment, and the heat is conducted to one side, far away from the battery body 1, of the heat dissipation piece 3, so that the heat is dissipated to the air through the heat dissipation piece 3, and the effect of rapid heat dissipation is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a quick heat dissipation battery package which characterized in that: the battery pack is characterized by comprising at least two battery bodies (1), a connecting piece (2) used for being connected with the battery bodies (1) and a heat dissipation piece (3) used for dissipating heat and fixing the battery bodies (1), wherein a fixing hole (4) for placing and fixing the battery bodies (1) is formed in the heat dissipation piece (3), a limiting ring (6) used for limiting the battery bodies (1) is formed in the heat dissipation piece (3), the limiting ring (6) is located on one radial side of the battery bodies (1), and the connecting piece (2) is abutted to a pole body of the battery bodies (1).

2. The battery pack capable of dissipating heat rapidly as claimed in claim 1, wherein: the heat sink (3) is provided with a heat absorbing element (7), and the heat sink (3) is provided with a placing groove (8) for placing and fixing the heat absorbing element (7).

3. The battery pack capable of dissipating heat rapidly as claimed in claim 2, wherein: the heat dissipation device is characterized in that a fixing plate (9) used for fixing the heat absorption piece (7) is arranged on the heat dissipation piece (3), the fixing plate (9) is located on one side, away from the limiting ring (6), of the heat dissipation piece (3), a mounting hole (20) for the battery body (1) to be inserted and placed is formed in the fixing plate (9), and the fixing plate (9) is covered on the placing groove (8).

4. The battery pack capable of dissipating heat rapidly as claimed in claim 3, wherein: the fixing plate (9) and the heat dissipation piece (3) are provided with sheet placing grooves (10) for placing and fixing the connecting sheets (2).

5. The battery pack capable of dissipating heat rapidly according to claim 4, wherein: the fixing plate (9) and the heat dissipation piece (3) are provided with positioning columns (11) used for positioning and fixing the connecting sheet (2), the positioning columns (11) are located in the sheet placing grooves (10), and positioning holes (12) for the positioning columns (11) to insert and fix are formed in the connecting sheet (2).

6. The battery pack capable of dissipating heat rapidly as claimed in claim 1, wherein: be provided with circuit board (13) on heat dissipation piece (3), one side that heat dissipation piece (3) were kept away from in circuit board (13) is provided with socket (14) that are used for carrying out the electricity with external circuit and are connected, circuit board (13) with battery body (1) electricity is connected.

7. The battery pack capable of dissipating heat rapidly as claimed in claim 6, wherein: the connecting piece (2) is provided with a connecting piece (15) which is used for being electrically connected with the circuit board (13).

8. The battery pack capable of dissipating heat rapidly as claimed in claim 7, wherein: connecting piece (15) are close to one side of circuit board (13) is provided with inserted sheet (16), seted up the confession on circuit board (13) inserted sheet (16) insert and fixed jack (17).

9. The battery pack capable of dissipating heat rapidly as claimed in claim 8, wherein: and the insert piece (16) is provided with a yielding groove (18) for abutting and fixing the circuit board (13).

10. The battery pack capable of dissipating heat rapidly as claimed in claim 1, wherein: fixing pieces (19) used for fixing the battery body (1) are arranged on the connecting pieces (2) which are located at two ends of the radiating piece (3) in the length direction, and the fixing pieces (19) are abutted to the circumferential side faces of the battery body (1).