CN217544767U

CN217544767U - Battery and electric equipment

Info

Publication number: CN217544767U
Application number: CN202221135236.2U
Authority: CN
Inventors: 何永伟; 张国文; 王立明; 杨书俊
Original assignee: Dongguan Nvt Technology Co Ltd
Current assignee: Dongguan Nvt Technology Co Ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-04
Anticipated expiration: 2032-05-11

Abstract

The application discloses battery and consumer, battery include casing, electric connector, first output and second output. The electrical connections and the housing have different polarities. The electric connector is insulated from the shell. The electric connector is arranged on the first surface of the shell in a protruding mode. The first output end is connected to the electric connector. The second output end is connected to the first surface. Through setting up first output and second output at the same end of casing, the other end that reduces the casing sets up other output element or makes the other end of casing need not to set up other output element, and then reduces the space that the battery occupy, promotes the energy density of battery.

Description

Battery and electric equipment

Technical Field

The application relates to the technical field of energy storage, in particular to a battery and electric equipment.

Background

Along with the development of electronic products, the required battery volume is smaller and smaller, for button cells, the upper end face and the lower end face of a battery shell generally have different polarities, the upper end face and the lower end face are both welded with connectors, then the connector of one end face extends to the other end through the side face of the shell to conduct electricity in the same-side output mode, the occupied space of the structure is large, the loss of the space of the button cell is caused, and the energy density of the cell is reduced.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a battery and an electric device, which can reduce the space occupied by the battery and increase the energy density of the battery.

Embodiments of the present application provide a battery including a housing, an electrical connector, a first output, and a second output. The electrical connections and the housing have different polarities. The electric connector is insulated from the shell. The electric connector is arranged on the first surface of the shell in a protruding mode. The first output end is connected to the electric connector. The second output end is connected to the first surface. Through setting up first output and second output at the same end of casing, the other end that reduces the casing sets up other output element or makes the other end of casing need not to set up other output element, and then reduces the space that the battery occupy, promotes the energy density of battery.

Optionally, in some embodiments of the present application, an adaptor is further included. The interposer includes a conductive layer, a first insulating layer, and a second insulating layer. The conducting layer is arranged between the first insulating layer and the second insulating layer, the first output end and the second output end are connected with the conducting layer, and the positions of the first output end and the second output end can be adjusted freely through the adapter piece, so that the electric equipment can be connected conveniently.

Optionally, in some embodiments of the present application, the conductive layer includes a first portion and a second portion. The first portion is connected to the electrical connector. The second portion connects the first surface.

Optionally, in some embodiments of the present application, a first insulating member is further included, and the first insulating member is disposed between the housing and the electrical connector, so as to reduce a short circuit between the housing and the electrical connector.

Optionally, in some embodiments of the present application, a second insulating member is further included, the second insulating member covering the first surface. The first output end and the second output end protrude out of the second insulating piece, and the first surface can be waterproof and insulated.

Optionally, in some embodiments of the present application, a first adhesive member is further included, and the first adhesive member covers the second insulating member. The first output end and the second output end protrude out of the first bonding piece, so that the electric equipment can be connected conveniently.

Optionally, in some embodiments of the present application, further comprising a third insulating member, the housing includes a bottom wall and a side wall extending from an edge of the bottom wall. The first output and the second output extend to the side wall. The third insulator is disposed between the first surface and the first output terminal. The third insulator also extends to the sidewall. The part of the first output end and the second output end extending to the side wall is located on one side, away from the side wall, of the third insulating part, and therefore the risk of short circuit is reduced.

Optionally, in some embodiments of the present application, the first output end and the second output end comprise one of a nickel sheet or a steel sheet.

Optionally, in some embodiments of the present application, an electrode assembly is further included. The electrode assembly is disposed within the case. The electrode assembly includes first and second pole pieces of opposite polarity. The first pole piece is connected with the shell. The second pole piece is connected with the electric connector.

An embodiment of the present application further provides an electric device, including the battery in any of the above embodiments.

Drawings

Fig. 1 shows a schematic diagram of the structure of a battery in some embodiments.

Fig. 2 shows an exploded view of a portion of the battery of fig. 1.

Fig. 3 shows an exploded view of the complete structure of the battery of fig. 1.

Fig. 4 shows a schematic diagram of the structure of a battery in other embodiments.

Fig. 5 shows an exploded view of a portion of the structure of the battery of fig. 4.

Fig. 6 shows an exploded view of the complete structure of the battery of fig. 4.

Fig. 7 shows a schematic diagram of a cell in further embodiments.

Fig. 8 shows an exploded view of a portion of the cell of fig. 7.

Fig. 9 shows an exploded view of the complete structure of the battery of fig. 1.

Fig. 10 shows a schematic structural diagram of a powered device in some embodiments.

Description of the main element symbols:

battery 100

Housing 10

First surface 10a

Second surface 10b

First connecting wall 11

Opening 111

Second connecting wall 12

Side wall 13

Electrical connector 20

Connecting surface 20a

Main body 21

Convex part 22

First output terminal 30

Second output terminal 40

First insulating member 50

Second insulator 60

First adhesive member 70

Adapter 80

Conductive layer 81

First portion 811

Second part 812

Third portion 813

First insulating layer 82

Second insulating layer 83

Second adhesive member 90

Third insulating member 101

Fourth section 101a

Fifth part 101b

Power utilization device 200

First direction X

The following specific examples will further illustrate the application in conjunction with the above figures.

Detailed Description

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

When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

It will be understood that when two elements are disposed parallel/perpendicular, there may be an included angle between the elements which allows for a tolerance of 0-5%, for example when the elements are perpendicular with one element being tilted closer or further from the other, the tolerance between the elements being greater than 0 ° and less than or equal to 4.5 °.

Embodiments of the present application provide a battery including a housing, an electrical connector, a first output, and a second output. The electric connecting piece and the shell are provided with different polarities, the electric connecting piece and the shell are arranged in an insulating mode, the electric connecting piece is arranged on the first surface of the shell in a protruding mode, the first output end is connected to the electric connecting piece, and the second output end is connected to the first surface. Through setting up first output and second output at the same end of casing, the other end that reduces the casing sets up other output element or makes the other end of casing need not to set up other output element, and then reduces the space that the battery occupy, promotes the energy density of battery.

Embodiments of the present application will be further described with reference to the drawings.

Referring to fig. 1, 2 and 3, a first embodiment of the present application provides a battery 100 including a housing 10, an electrical connector 20, a first output terminal 30 and a second output terminal 40. An electrode assembly (not shown) is disposed in the case 10, and includes a first pole piece and a second pole piece with opposite polarities. The first pole piece electrically connects one of the housing 10 and the electrical connector 20, and the second pole piece electrically connects the other of the housing 10 and the electrical connector 20. Optionally, the casing 10 is a negative electrode, the electrical connector 20 is a positive electrode, the first pole piece is electrically connected to the casing 10, and the second pole piece is electrically connected to the electrical connector 20. The housing 10 is insulated from the electrical connector 20, the housing 10 has a first surface 10a, and the electrical connector 20 is disposed in the housing 10 and protrudes from the first surface 10a. The first output terminal 30 is electrically connected to the electrical connector 20, and the second output terminal 40 is electrically connected to the first surface 10a, so that the space occupied by the battery 100 is reduced and the energy density of the battery is improved by disposing the first output terminal 30 and the second output terminal 40 on the same side of the housing 10. In one embodiment, the portion of electrical connector 20 protruding from housing 10 is coaxial with housing 10. In another embodiment, the axis of the portion of electrical connector 20 protruding from housing 10 and the axis of housing 10 are parallel to each other.

In one embodiment, the case 10 includes a first connection wall 11, a second connection wall 12, and a side wall 13, and the side wall 13 connects the first connection wall 11 and the second connection wall 12 and forms a receiving space to receive the electrode assembly and a portion of the electrical connection member 20. The first surface 10a is provided on the first connecting wall 11, and the second connecting wall 12 has a second surface 10b. The first surface 10a is a surface of the first connecting wall 11 on a side facing away from the second connecting wall 12, and the second surface 10b is a surface of the second connecting wall 12 on a side facing away from the first connecting wall 11. The first surface 10a is provided with an opening 111 penetrating the first connection wall 11, the opening 111 communicating with the accommodation space. The electrical connector 20 protrudes from the opening 111. The electrical connection 20 is arranged insulated from the edge of the opening 111. In one embodiment, the opening 111 is located at a center of the first connecting wall 11. In one embodiment, the first connecting wall 11, the second connecting wall 12 and the portion of the electrical connector 20 protruding out of the opening 111 have the same axis. That is, the portion of the electrical connector 20 protruding out of the opening 111 is located at the center of the first connection wall 11 as viewed in the direction perpendicular to the first connection wall 11. In another embodiment, the axis of the portion of the electrical connector 20 protruding out of the opening 111 is parallel to the axis of the first connection wall 11 and the second connection wall 12 in a direction perpendicular to the first connection wall 11.

The connection face 20a of the electrical connector 20 protrudes from the first surface 10a to facilitate electrical connection with the first output terminal 30. The first output terminals 30 are not in contact with the first surface 10a, reducing the risk of short circuits. In one embodiment, the sidewall 13 is a cylindrical structure and the housing 10 is a hollow cylinder structure. Alternatively, the housing 10 may have other structures, such as a hollow rectangular structure. Optionally, the electrical connector 20 comprises a post.

In one embodiment, the battery 100 further includes a first insulating member 50, and the first insulating member 50 is disposed in the case 10 between the electrical connector 20 and the first connection wall 11. The electrical connector 20 includes a main body 21 and a protrusion 22 connected to the main body 21, the protrusion 22 passes through the first insulator 50 and protrudes from the opening 111, and the connection surface 20a is located at an end of the protrusion 22 facing away from the main body 21. Alternatively, the direction in which the first connecting wall 11 and the second connecting wall 12 are oppositely arranged is the first direction X, and along the first direction X, the projection of the main body 21 overlaps the projection of the first insulating member 50, so that the electrical connector 20 can be insulated, and the contact between the electrical connector 20 and the side of the first connecting wall 11 away from the first surface 10a can be reduced. Optionally, in the first direction X, the projection of the main body 21 is located within the projection of the first insulator 50 to further insulate the electrical connector 20.

In one embodiment, the battery 100 further includes a second insulating member 60, and the second insulating member 60 is disposed on the first surface 10a to insulate and waterproof the first surface 10a. The first and

second output terminals

30 and 40 protrude through the second insulating member 60. Alternatively, along the first direction X, the projection of the second insulating member 60 is located within the projection of the first surface 10a. Optionally, along the first direction X, a projection of the second insulating member 60 overlaps a projection of the first surface 10a, and the second insulating member 60 covers the first surface 10a, so as to further improve waterproofing and insulation of the first surface 10a.

In an embodiment, the battery 100 further includes a first adhesive member 70, the first adhesive member 70 is connected to a side of the second insulating member 60 facing away from the first surface 10a, the first output terminal 30 and the second output terminal 40 protrude from the first adhesive member 70, and the first adhesive member 70 is used for protecting the second insulating member 60 and facilitating connection of the electric device. Optionally, along the first direction X, a projection of the first adhesive member 70 overlaps a projection of the second insulating member 60. Optionally, along the first direction X, a projection of the first adhesive member 70 is located within a projection of the second insulating member 60. In an embodiment, along the first direction X, both surfaces of the first adhesive member 70 have an adhesive function, the first adhesive member 70 faces the adhesive surface of the second insulating member 60 to be adhered to the second insulating member 60, and the first adhesive member 70 is away from the adhesive surface of the second insulating member 60 to be adhered to the inside of the main compartment of the electrical device, so as to achieve assembly and fixation. It can be understood that the adhesive surface of the first adhesive member 70 away from the second insulating member 60 is further provided with a release paper to protect the adhesive surface. During assembly, the release paper can be torn off, and the bonding surface is bonded in the host cabin of the electric equipment.

In one embodiment, the first output end 30 and the second output end 40 are spring structures. In another embodiment, the first output terminal 30 and the second output terminal 40 comprise one of a nickel sheet or a steel sheet. Alternatively, the nickel and steel sheets may be provided in an L-shape. Alternatively, the nickel sheet and the steel sheet can be arranged in other shapes to adapt to different connection requirements.

Referring to fig. 3, 4 and 5, a second embodiment of the present application provides a battery 100, which is different from the first embodiment in that the battery 100 further includes an adaptor 80. The adaptor 80 is connected with the first surface 10a, the first output end 30 and the second output end 40 are connected with the adaptor 80, and the positions of the first output end 30 and the second output end 40 can be adjusted freely through the adaptor 80, so that the electric equipment can be connected conveniently. It is understood that the adaptor 80 may also adjust the position of the adaptor 80 on the first surface 10a according to the connection requirements.

In one embodiment, interposer 80 includes a conductive layer 81, a first insulating layer 82, and a second insulating layer 83, with conductive layer 81 disposed between first insulating layer 82 and second insulating layer 83. The first output terminal 30 and the second output terminal 40 pass through the first insulating layer 82 and are connected to the conductive layer 81.

In one embodiment, the battery 100 further includes a second adhesive member 90, the second adhesive member 90 is disposed between the first surface 10a and the adaptor 80, and two end surfaces of the second adhesive member 90 disposed along the first direction X have adhesive properties, so as to adhesively fix the adaptor 80 on the first surface 10a.

In one embodiment, the conductive layer 81 includes a first portion 811 and a second portion 812, and the first portion 811 and the second portion 812 are disposed on the first surface 10a and spaced apart from each other by a second adhesive 90. The electrical connector 20 is electrically connected to the first portion 811, and the second portion 812 is electrically connected to the first surface 10a.

In an embodiment, the conductive layer 81 further includes a third portion 813, the third portion 813 connecting the first portion 811 and the second portion 812. The third portion 813 has an insulating property, and can insulate the first portion 811 from the second portion 812, thereby reducing the short circuit caused by the communication between the first output terminal 30 and the second output terminal 40.

In one embodiment, the second insulating member 60 is disposed on the first surface 10a and covers the adaptor 80, and can insulate and protect the first surface 10a and the adaptor 80 from water. The first and

second output terminals

30 and 40 protrude from the second insulating member 60. Alternatively, along the first direction X, the projection of the second insulating member 60 is located within the projection of the first surface 10a. Optionally, along the first direction X, a projection of the second insulating member 60 overlaps a projection of the first surface 10a, and the second insulating member 60 covers the first surface 10a, so as to further improve waterproofing and insulation of the first surface 10a and the adaptor 80.

Referring to fig. 7, 8 and 9, a third embodiment of the present application provides a battery 100 including a case 10, an electrical connector 20, a first output terminal 30 and a second output terminal 40. The structures of the housing 10 and the electrical connector 20 are the same as those in the first and second embodiments. The first output terminal 30 is connected to the electrical connector 20 and extends to the sidewall 13, and the second output terminal 40 is connected to the first surface 10a and extends to the sidewall 13. By extending the first output end 30 and the second output end 40 to the side wall 13, the space occupied by the battery 100 in the first direction X can be reduced, and the energy density of the battery 100 can be improved.

In one embodiment, the battery 100 further includes a third insulating member 101, and the third insulating member 101 is disposed on the first surface 10a and extends to the sidewall 13. The third insulating member 101 includes a fourth portion 101a and a fifth portion 101b, and the fourth portion 101a is disposed between the first surface 10a and the first output terminal 30, so as to reduce the occurrence of short circuit caused by the first output terminal 30 contacting the first surface 10a. The fourth portion 101a also covers the portion of the second output terminal 40 disposed on the first surface 10a, and provides insulation protection for the portion of the second output terminal 40 disposed on the first surface 10a. The fifth part 101b is arranged on the side wall 13, the fifth part 101b is positioned between the side wall 13 and the part of the first output end 30 extending to the side wall 13, and the fifth part 101b is also positioned between the side wall 13 and the part of the second output end 40 extending to the side wall 13, so that the parts of the first output end 30 and the second output end 40 extending to the side wall 13 can be insulated and protected, and the short circuit can be reduced.

In an embodiment, the battery 100 further includes a second insulating member 60, and the second insulating member 60 covers the first surface 10a and a portion of the first output terminal 30 disposed on the first surface 10a, and protects the first surface 10a and the portion of the first output terminal 30 disposed on the first surface 10a from water and insulation.

In an embodiment, the battery 100 further includes a first adhesive member (not shown) connecting a side of the second insulating member 60 facing away from the first surface 10a, and optionally, a projection of the first adhesive member overlaps a projection of the second insulating member along the first direction X. Optionally, along the first direction X, a projection of the first bonding member is located within a projection of the second insulating member. In an embodiment, along the first direction X, both surfaces of the first bonding member have a bonding effect, the first bonding member faces the bonding surface of the second insulating member for bonding to the second insulating member, and the first bonding member is away from the bonding surface of the second insulating member for bonding to a host cabin of the electrical equipment, so as to achieve assembly and fixation. It can be understood that release paper is further arranged on the bonding surface, away from the second insulating member, of the first bonding member, so that the bonding surface is protected. During assembly, the release paper can be torn off, and the bonding surface is bonded in the host cabin of the electric equipment.

Referring to fig. 10, some embodiments of the present application further provide an electric device 200 using the battery 100 according to any of the above embodiments. The electric device 200 of the present application may be, but is not limited to, a headset, an electronic watch, an electronic dictionary, an electronic scale, a remote controller, an electric toy, a cardiac pacemaker, an electronic hearing aid, a counter, a camera, and the like.

The first output end 30 and the second output end 40 are arranged at the same end of the shell 10, so that the other end of the shell 10 is reduced, other output elements are not required to be arranged at the other end of the shell 10, or the other end of the shell 10 is not required to be arranged at the other end of the shell 10, fixing elements such as adhesive paper are not required to be arranged on the side edge of the shell 10, the space occupied by the battery 100 is reduced, and the energy density of the battery is improved.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not used as limitations of the present application, and that suitable modifications and variations of the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.

Claims

1. A battery, comprising:

a housing;

the electric connecting piece and the shell have different polarities, the electric connecting piece and the shell are arranged in an insulating mode, and the electric connecting piece is arranged on the first surface of the shell in a protruding mode;

characterized in that the battery further comprises:

a first output connected to the electrical connector; and

a second output connected to the first surface.

2. The battery of claim 1, further comprising an interposer, the interposer comprising a conductive layer, a first insulating layer, and a second insulating layer, the conductive layer disposed between the first insulating layer and the second insulating layer, the first output terminal and the second output terminal connected to the conductive layer.

3. The battery of claim 2, wherein the conductive layer includes a first portion and a second portion, the first portion being connected to the electrical connector and the second portion being connected to the first surface.

4. The battery of claim 1, further comprising a first insulator disposed between the housing and the electrical connector.

5. The battery of claim 1, further comprising a second insulator covering the first surface, the first and second output terminals protruding through the second insulator.

6. The battery of claim 5, further comprising a first adhesive member covering the second insulating member, the first and second output terminals protruding out of the first adhesive member.

7. The cell of claim 1 further comprising a third insulator, the housing comprising a bottom wall and a side wall extending from an edge of the bottom wall, the first and second outputs extending to the side wall, the third insulator disposed between the first surface and the first output, the third insulator further extending to the side wall, a portion of the first and second outputs extending to the side wall being on a side of the third insulator facing away from the side wall.

8. The battery of claim 7, wherein the first output terminal and the second output terminal comprise one of a nickel plate or a steel plate.

9. The battery of claim 1, further comprising an electrode assembly disposed within the housing, the electrode assembly including first and second pole pieces of opposite polarity, the first pole piece coupled to the housing and the second pole piece coupled to the electrical connector.

10. An electrical consumer, characterized in that it comprises a battery according to any one of claims 1-9.