CN215989032U

CN215989032U - Battery cell capable of uniformly heating

Info

Publication number: CN215989032U
Application number: CN202121774088.4U
Authority: CN
Inventors: 柳炎; 巫杨; 刘亚兵; 刘雪艳
Original assignee: Jiangsu Yitesen New Energy Technology Co ltd
Current assignee: Jiangsu Yitesen New Energy Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses an electric core capable of generating heat uniformly, which comprises a first shell and an electric core body, wherein the left end of the first shell is rotatably connected with a second shell, a plurality of heat dissipation holes are formed in the bottom ends of the first shell and the second shell, the inner diameter of the first shell is connected with a buffering frame in a sliding mode, four corners of the bottom end of the buffering frame are fixedly connected to one end of a buffering spring, a positive plate is arranged on the inner side of the electric core body, a diaphragm is fixedly connected to the outer side of the positive plate, a negative plate is fixedly connected to the outer side of the diaphragm, an aluminum-plastic packaging film is fixedly connected to the outer side of the negative plate, and a carbon fiber heat conduction layer is fixedly connected to the outer side of the aluminum-plastic packaging film. According to the utility model, the carbon fiber heat conduction layer can uniformly distribute heat generated by the battery core, the heat is uniformly dissipated through the heat dissipation holes, the battery core body is placed between the first shell and the second shell, the battery core body is protected through the buffer frame and the buffer spring, and the battery core is worth of being widely popularized.

Description

Battery cell capable of uniformly heating

Technical Field

The utility model relates to the field of battery cells, in particular to a battery cell capable of uniformly heating.

Background

The electric core indicates that singly contains just, the electrochemistry electric core of negative pole, generally not direct use, it contains protection circuit and shell to be distinguished from the battery, can directly use, its particle diameter is little, specific surface area is big, the colour is white, high purity, electrochemical performance obviously improves, can use among lithium titanate battery material and the lithium cobaltate battery material, the electric core divide into aluminium shell electricity core, laminate polymer electricity core (also known as "polymer electricity core"), three kinds of cylinder electricity core, what mobile phone batteries adopted usually is aluminium shell electricity core, digital products such as bluetooth adopt laminate polymer electricity core more, notebook computer's battery adopts the series-parallel combination of cylinder electricity core.

Chinese patent document CN212967967U is an electric core, which comprises an inner core body and an outer shell, wherein the inner core body is composed of a plurality of positive plates and negative plates of the same size which are stacked alternately, the positive plates and the negative plates are sandwiched with an isolation film therebetween, the positive plates and the negative plates are gathered at the same side and connected with positive lugs and negative lugs respectively, and the positive lugs and the negative lugs are symmetrically distributed, the outer layer of the inner core body is sealed and covered with an aluminum-plastic packaging film, the inner core body is fixed in the cavity of the outer shell all around, the positive lugs and the negative lugs are led out from the through holes on one side of the outer shell, the opposite sides of the outer shell are equally distributed with a plurality of heat dissipation holes communicated with the inside, the inner core body is put into the outer shell, a liquid injection sealing port is hidden inside, liquid leakage is prevented, and an internal loading groove can effectively prevent the inner core body from deforming under the condition of moving or extruding, the heat that the inner core body gived off at the course of the work also can be smoothly discharged from the louvre of shell both sides, but its electric core generates heat inhomogeneous and electric core does not have built on stilts in the shell, and the radiating effect is unsatisfactory, and the shell is not high to the protectiveness of electric core simultaneously, receives collision electric core and receives the damage easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a uniformly-heated battery cell.

In order to achieve the purpose, the utility model adopts the following technical scheme: a uniformly heating battery cell comprises a first shell and a battery cell body, wherein the left end of the first shell is rotatably connected with a second shell, the bottom ends of the first shell and the second shell are respectively provided with a plurality of heat dissipation holes, the inner diameter of the first shell is connected with a buffer frame in a sliding way, the four corners of the bottom end of the buffer frame are fixedly connected with one end of the buffer spring, the inner walls of the left end and the right end of the second shell are fixedly connected with the pressing plate, the inner side of the electric core body is provided with a positive plate, the outer side of the positive plate is fixedly connected with a diaphragm, the outer side of the diaphragm is fixedly connected with a negative plate, the outer side of the negative plate is fixedly connected with an aluminum-plastic packaging film, the outer side of the aluminum-plastic packaging film is fixedly connected with a carbon fiber heat conduction layer, the battery cell comprises a battery cell body and is characterized in that an upper packaging plate is fixedly connected to the top end of the battery cell body, a sealing insulating part is fixedly connected to the inner diameter of the upper packaging plate, and a lower packaging plate is fixedly connected to the bottom end of the battery cell body.

As a further description of the above technical solution:

and electrode holes are formed in the front of the top ends of the first shell and the second shell.

As a further description of the above technical solution:

and reinforcing ribs are fixedly connected to the inner walls of the bottom ends of the first shell and the second shell.

As a further description of the above technical solution:

the other end of the buffer spring is fixedly connected with the first shell.

As a further description of the above technical solution:

jacks are arranged at the front and rear parts of the right side of the top end of the first shell, and insertion blocks are fixedly connected to the positions, corresponding to the jacks, of the top end of the second shell.

As a further description of the above technical solution:

and a pinch plate is fixedly connected above the left end of the second shell.

As a further description of the above technical solution:

the equal fixedly connected with protection strip of corner of electricity core body, the inside packing of electricity core body has electrolyte.

As a further description of the above technical solution:

the left side and the right side of the top end of the sealing insulating part are fixedly connected with a positive plate and a negative plate respectively, and the bottom ends of the positive plate and the negative plate all penetrate through the sealing insulating part and extend to the interior of the battery cell body.

The utility model has the following beneficial effects:

1. according to the utility model, the carbon fiber heat conduction layer is arranged on the outermost layer of the battery cell body, the heat generated by the battery cell body can be uniformly distributed due to the good heat conduction performance of the carbon fiber, and then the heat dissipation holes are used for dissipating heat.

2. According to the utility model, the battery cell body is placed in the first shell, the second shell is rotated to enable the insert block to be inserted into the jack to mount and fix the battery cell body, the battery cell body is extruded through the pressing plate, the battery cell body extrudes the buffer frame and the buffer spring, and when the battery cell body is collided, the battery cell body can be protected, is not easy to damage, is stable in working environment and convenient to mount, and is worth of great popularization.

Drawings

Fig. 1 is a perspective view of a first housing of a uniformly heated electrical core according to the present invention;

fig. 2 is a perspective view of a cell body of a cell according to the present invention, which generates heat uniformly;

fig. 3 is a schematic diagram of an internal structure of a first casing of a cell capable of uniformly generating heat according to the present invention.

Illustration of the drawings:

1. a first housing; 2. an electrode hole; 3. a second housing; 4. pressing a plate; 5. buckling the plate; 6. inserting a block; 7. heat dissipation holes; 8. reinforcing ribs; 9. a buffer frame; 10. a jack; 11. a cell body; 12. a positive plate; 13. a negative plate; 14. sealing the insulating member; 15. a positive plate; 16. a protective strip; 17. a diaphragm; 18. a negative plate; 19. a lower package plate; 20. an aluminum-plastic packaging film; 21. a carbon fiber heat conduction layer; 22. an electrolyte; 23. an upper package board; 24. a buffer spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a uniformly heating electric core comprises a first shell 1 and an electric core body 11, the left end of the first shell 1 is rotatably connected with a second shell 3, a plurality of heat dissipation holes 7 are respectively arranged at the bottom ends of the first shell 1 and the second shell 3, the inner diameter of the first shell 1 is slidably connected with a buffering frame 9, four corners at the bottom end of the buffering frame 9 are fixedly connected with one end of a buffering spring 24, the inner walls at the left end and the right end of the second shell 3 are fixedly connected with a pressing plate 4, the electric core body 11 is placed into the first shell 1, an insertion block 6 is inserted into an insertion hole 10 to mount and fix the electric core body 11 by rotating the second shell 3, the electric core body 11 is extruded by the pressing plate 4 to extrude the buffering frame 9 and the buffering spring 24, when collision is received, the electric core body 11 can be protected and is not easy to damage, the working environment is stable and convenient to mount, the inner side of the electric core body 11 is provided with a positive plate 15, the outer side of the positive plate 15 is fixedly connected with a diaphragm 17, diaphragm 17 outside fixedly connected with negative pole piece 18, negative pole piece 18 outside fixedly connected with plastic-aluminum packaging film 20, plastic-aluminum packaging film 20 outside fixedly connected with carbon fiber heat-conducting layer 21, encapsulating plate 23 on the fixedly connected with in electric core body 11 top, go up encapsulating plate 23 internal diameter fixedly connected with seal insulation 14, encapsulating plate 19 under the fixedly connected with in electric core body 11 bottom, the leakproofness of electric core body 11 has been improved, prevent that electrolyte 22 from revealing, outmost through electric core body 11 is provided with carbon fiber heat-conducting layer 21, because the heat conductivility of carbon fiber is good, can carry out even distribution with the heat that electric core body 11 produced, then louvre 7 dispels the heat, because electric core body 11 is in built on stilts state in first shell 1 and second shell 3, further improved the thermal diffusivity of electric core body 11, the working life of electric core body 11 has been prolonged.

Electrode holes 2 are respectively arranged in front of the top ends of the first shell 1 and the second shell 3, reinforcing ribs 8 are fixedly connected to the inner walls of the bottom ends of the first shell 1 and the second shell 3, the strength of the first shell 1 and the second shell 3 is improved, deformation or fracture is prevented, the other ends of the buffer springs 24 are fixedly connected with the first shell 1, jacks 10 are respectively arranged in front of and behind the right side of the top end of the first shell 1, insertion blocks 6 are fixedly connected to the positions, corresponding to the jacks 10, of the top end of the second shell 3, buckle plates 5 are fixedly connected to the upper portion of the left end of the second shell 3, installation of the cell body 11 is facilitated, protective strips 16 are fixedly connected to corners of the cell body 11, the strength of the cell body 11 is improved, electrolyte 22 is filled in the cell body 11, positive plates 12 and negative plates 13 are respectively fixedly connected to the left side and the right side of the top end of the sealing insulation piece 14, the bottom ends of the positive plates 12 and the negative plates 13 penetrate through the sealing insulation piece 14 and extend to the interior of the cell body 11, the sealing performance of the cell body 11 is improved.

The working principle is as follows: the outmost layer through electric core body 11 is provided with carbon fiber heat-conducting layer 21, because the heat conductivility of carbon fiber is good, can carry out even distribution with the heat that electric core body 11 produced, then louvre 7 dispels the heat, because electric core body 11 is in built on stilts state in first shell 1 and second shell 3, electric core body 11's thermal diffusivity has further been improved, electric core body 11's working life has been prolonged, put into first shell 1 with electric core body 11, it is fixed to insert jack 10 and install electric core body 11 through rotating second shell 3 messenger inserted block 6, extrude electric core body 11 through clamp plate 4, make electric core body 11 extrude buffering frame 9 and buffering spring 24, when receiving the collision, electric core body 11 can receive the protection, not fragile, and stable and the installation of being convenient for of operational environment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an electric core that evenly generates heat, includes first shell (1) and electric core body (11), its characterized in that: the battery is characterized in that the left end of the first shell (1) is rotatably connected with a second shell (3), a plurality of heat dissipation holes (7) are formed in the bottoms of the first shell (1) and the second shell (3), a buffering frame (9) is connected to the inner diameter of the first shell (1) in a sliding manner, four corners of the bottom of the buffering frame (9) are fixedly connected to one end of a buffering spring (24), pressing plates (4) are fixedly connected to the inner walls of the left end and the right end of the second shell (3), a positive plate (15) is arranged on the inner side of the battery cell body (11), a diaphragm (17) is fixedly connected to the outer side of the positive plate (15), a negative plate (18) is fixedly connected to the outer side of the diaphragm (17), an aluminum-plastic packaging film (20) is fixedly connected to the outer side of the negative plate (18), a carbon fiber heat conduction layer (21) is fixedly connected to the outer side of the aluminum-plastic packaging film (20), and an upper packaging plate (23) is fixedly connected to the top end of the battery cell body (11), the inner diameter of the upper packaging plate (23) is fixedly connected with a sealing insulating piece (14), and the bottom end of the battery cell body (11) is fixedly connected with a lower packaging plate (19).

2. The uniformly-heated battery cell of claim 1, wherein: and electrode holes (2) are formed in the front of the top ends of the first shell (1) and the second shell (3).

3. The uniformly-heated battery cell of claim 1, wherein: the inner walls of the bottom ends of the first shell (1) and the second shell (3) are fixedly connected with reinforcing ribs (8).

4. The uniformly-heated battery cell of claim 1, wherein: the other end of the buffer spring (24) is fixedly connected with the first shell (1).

5. The uniformly-heated battery cell of claim 1, wherein: the front and back of the right side of the top end of the first shell (1) are provided with jacks (10), and the top end of the second shell (3) corresponds to the plug blocks (6) fixedly connected with the positions of the jacks (10).

6. The uniformly-heated battery cell of claim 1, wherein: and a buckle plate (5) is fixedly connected to the upper part of the left end of the second shell (3).

7. The uniformly-heated battery cell of claim 1, wherein: the battery cell comprises a battery cell body (11), wherein protective strips (16) are fixedly connected to corners of the battery cell body (11), and electrolyte (22) is filled in the battery cell body (11).

8. The uniformly-heated battery cell of claim 1, wherein: the battery cell is characterized in that the left side and the right side of the top end of the sealing insulating part (14) are fixedly connected with a positive plate (12) and a negative plate (13) respectively, and the bottom ends of the positive plate (12) and the negative plate (13) penetrate through the sealing insulating part (14) and extend to the interior of the battery cell body (11).