CN212380491U

CN212380491U - A battery for unmanned aerial vehicle

Info

Publication number: CN212380491U
Application number: CN202020836109.XU
Authority: CN
Inventors: 曾锦辉; 李彬; 张静; 杨干
Original assignee: Jiade Energy Technology Zhuhai Co ltd
Current assignee: Jiade Energy Technology Zhuhai Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-19
Anticipated expiration: 2030-05-18

Abstract

The utility model provides a battery for unmanned aerial vehicle includes PCM board and a plurality of electric core, a plurality of electric cores are along inline, the utmost point ear of each electric core passes the PCM board, waterproof battery still includes first nickel piece and second nickel piece, first nickel piece includes interconnect's first lamellar body and second lamellar body, the second nickel piece includes interconnect's third lamellar body and fourth lamellar body, first lamellar body and the equal butt of third lamellar body in up end, first lamellar body has utmost point ear with the equal butt of third lamellar body, the array direction of a plurality of electric cores is first direction, the direction of the first direction of perpendicular to is the second direction, along the second direction, each second nickel piece has a first nickel piece of equal relative arrangement. First nickel piece and second nickel piece are folding biplate body structure to it replaces the rectangle nickel piece that is the monolithic among the prior art, can effectually prevent to climb explosion and the rosin joint that the tin leads to, also can effectually avoid the heat that the spot welding produced in the twinkling of an eye to melt the tin of nickel piece bottom, thereby avoids the nickel piece to drop and the rosin joint.

Description

A battery for unmanned aerial vehicle

Technical Field

The utility model belongs to the technical field of power supply unit, concretely relates to a battery for unmanned aerial vehicle.

Background

At present, the rectangular nickel piece of the monolithic body that unmanned aerial vehicle battery spot welding used to lead to following defect:

1. during surface mounting, tin is easy to climb on the surface, and the phenomenon of explosion welding or insufficient welding is easy to occur during spot welding of the electrode core lug;

2. the tin at the bottom of the nickel sheet is easily melted by high heat generated at the moment of spot welding, so that the nickel sheet falls off or is in cold joint.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a can improve nickel piece welding stability's a battery for unmanned aerial vehicle.

In order to achieve the main purpose, the utility model provides a battery for unmanned aerial vehicle includes PCM board and a plurality of electric cores, a plurality of electric cores are along the inline, the utmost point ear of each electric core passes the PCM board, there is the bolster between the up end of electric core and the lower terminal surface of PCM board butt, the battery still includes first nickel piece and second nickel piece, first nickel piece and second nickel piece equipartition are placed in the up end of PCM board, the quantity of first nickel piece is three, three first nickel pieces are the triangle and arrange, one of them both sides equipartition of first nickel piece has been put a second nickel piece; the first nickel sheet comprises a first sheet body and a second sheet body which are connected with each other, the second nickel sheet comprises a third sheet body and a fourth sheet body which are connected with each other, the first sheet body and the third sheet body are in butt joint with each other at the upper end face, tabs are arranged on the first sheet body and the third sheet body in butt joint with each other, the arrangement directions of the plurality of battery cells are in a first direction, the direction perpendicular to the first direction is in a second direction, and a first nickel sheet is arranged on each second nickel sheet in a relative mode along the second direction.

It is obvious by above-mentioned scheme, the utmost point ear passes the PCM board, first lamellar body and the equal butt of third lamellar body have utmost point ear, rotate the second lamellar body so that the utmost point ear of butt in first lamellar body is pressed in first lamellar body and second lamellar body, rotate the fourth lamellar body so that the utmost point ear of butt in the third lamellar body is pressed in third lamellar body and fourth lamellar body, carry out the spot welding of electric core in the preceding terminal surface of second lamellar body and fourth lamellar body respectively, first nickel piece and second nickel piece are folding biplate structure, it is the rectangle nickel piece of monolithic body to replace among the prior art with it, can effectually prevent to climb explosion welding and the rosin joint that the tin leads to, also can effectually avoid the heat that the spot welding produces in the twinkling of an eye to melt the tin of nickel piece bottom, thereby avoid the nickel piece to drop and rosin joint.

Drawings

The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for those skilled in the art, other drawings may be obtained without inventive effort from the following drawings.

Fig. 1 is a structural diagram of an embodiment of a battery according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, a battery 100 for an unmanned aerial vehicle provided in this embodiment includes a PCM plate 1 and a plurality of battery cells 2, the plurality of battery cells 2 are arranged along a straight line, a tab 11 of each battery cell 2 passes through the PCM plate 1, a buffer 3 is abutted between an upper end surface of each battery cell 2 and a lower end surface of the PCM plate 1, the battery further includes a first nickel plate 5 and a second nickel plate 6, the first nickel plate 5 and the second nickel plate 6 are uniformly arranged on the upper end surface of the PCM plate 1, the number of the first nickel plates 5 is three, the three first nickel plates 5 are arranged in a delta shape, and a second nickel plate 6 is uniformly arranged on two sides of one first nickel plate 5; first nickel piece 5 includes interconnect's first lamellar body 7 and second lamellar body 8, second nickel piece 6 includes interconnect's third lamellar body 9 and fourth lamellar body 10, first lamellar body 7 and the equal butt of third lamellar body 9 in the up end, first lamellar body 7 has utmost point ear 11 with the equal butt of third lamellar body 9, the array orientation of a plurality of electric cores 2 is the first direction, the orientation of the first direction of perpendicular to is the second direction, along the second direction, a first nickel piece 5 has been arranged to each second nickel piece 6 homogeneous phase pair, first nickel piece 5 is integrated into one piece spare with second nickel piece 6.

The length of the first nickel sheet 5 is longer than the length of the second nickel sheet 6 in the first direction. The length of the first nickel plate 5 is the same as the length of the second nickel plate 6 in the second direction. The PCM board 1 includes through slots through which the tab 11 of each cell 2 passes. Along the first direction, logical groove has been put to the both sides equipartition of first nickel piece 5 and second nickel piece 6.

The number of the battery cells 2 is four. The material of bolster 3 is the bubble cotton, and bolster 3 is the cuboid, and bolster 3 can be used to cushion the pressure between electric core 2 and the PCM board 1 and protect PCM board 1.

Tab 11 passes through PCM plate 1, first lamellar body 7 and the equal butt of third lamellar body 9 have utmost point ear 11, rotate second lamellar body 8 so that the utmost point ear 11 of butt in first lamellar body 7 is pressed in first lamellar body 7 and second lamellar body 8, rotate fourth lamellar body 10 so that the utmost point ear 11 of butt in third lamellar body 9 is pressed in third lamellar body 9 and fourth lamellar body 10, carry out the spot welding of electric core 2 in preceding terminal surface 12 of second lamellar body 8 and the preceding terminal surface 13 of fourth lamellar body 10 respectively, first nickel piece 5 is folding biplate body structure with second nickel piece 6, with its rectangle nickel piece that replaces among the prior art for the monolithic body, can effectually prevent to climb explosion and the rosin joint that the tin leads to, also can effectually avoid the heat that the spot welding produces in the twinkling of an eye to melt the tin of nickel piece bottom, thereby avoid the nickel piece to drop and rosin joint.

When the second sheet 8 is not rotated, the first nickel sheet 5 formed by the first sheet 7 and the second sheet 8 is an L-shaped nickel sheet. When the fourth sheet 10 is not rotated, the second nickel sheet 6 formed by the third sheet 9 and the fourth sheet 10 is an L-shaped nickel sheet.

Every electric core 2 includes two utmost point ears 11, and four electric cores 2 can provide eight utmost point ears 11, and four electric cores 2 constitute power supply spare, and the total positive pole and the total negative pole of power supply spare use a nickel piece respectively alone, and adjacent utmost point ear between the different electric cores 2 of all the other series connections then shares a nickel piece, and five nickel pieces of total use are three first nickel pieces 5 and two second nickel pieces 6 promptly.

Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only to the preferred embodiments of the invention, and the invention is not limited to the above-described embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a battery for unmanned aerial vehicle, it includes PCM board and a plurality of electric core, and is a plurality of electric core is along linear arrangement, each the utmost point ear of electric core passes the PCM board, the up end of electric core with the butt has bolster, its characterized in that between the lower terminal surface of PCM board:

the battery also comprises a first nickel plate and a second nickel plate, wherein the first nickel plate and the second nickel plate are uniformly arranged on the upper end surface of the PCM plate, the number of the first nickel plates is three, the three first nickel plates are arranged in a delta shape, and two sides of one first nickel plate are uniformly provided with one second nickel plate;

first nickel piece includes mutual rotatable coupling's first lamellar body and second lamellar body, the second nickel piece includes interconnect's third lamellar body and fourth lamellar body, first lamellar body with the equal butt of third lamellar body in the up end, first lamellar body with the equal butt of third lamellar body has utmost point ear, and is a plurality of the array orientation of electric core is the first direction, the perpendicular to the direction of first direction is the second direction, follows the second direction, each the second nickel piece has all arranged one relatively first nickel piece.

2. A battery as defined in claim 1, wherein:

the length of the first nickel sheet is longer than the length of the second nickel sheet along the first direction.

3. A battery as defined in claim 1, wherein:

the length of the first nickel sheet is the same as the length of the second nickel sheet along the second direction.

4. A battery according to claim 3, wherein:

the PCM plate comprises through grooves, and the lug of each battery cell penetrates through the through grooves.

5. A battery according to claim 4, wherein:

and through grooves are uniformly formed in the two sides of the first nickel sheet and the second nickel sheet along the first direction.

6. A battery according to any one of claims 1 to 5, wherein:

the number of the battery cores is four.

7. A battery according to any one of claims 1 to 5, wherein:

the buffer piece is made of foam.