CN215989021U

CN215989021U - Battery and electronic equipment

Info

Publication number: CN215989021U
Application number: CN202121111019.5U
Authority: CN
Inventors: 刘万辉
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-03-08
Anticipated expiration: 2031-05-21

Abstract

The patent refers to the field of 'processes or means for the direct conversion of chemical energy into electrical energy'. The battery comprises a shell, an electric core and a protection plate, wherein the shell comprises a matching end face. The battery cell set up in the shell, battery cell include utmost point ear, and utmost point ear sets up towards the counterface including stretching out the first connector of counterface setting. The protection shield includes first face, and the protection shield is range upon range of to be set up in the fitting end face for first face sets up towards the fitting end face, and is connected with first connector electricity. The battery can be thinner through an optimized structure, and further the light and thin design of electronic equipment can be met.

Description

Battery and electronic equipment

Technical Field

The present disclosure relates to electronic devices, and particularly to a battery and an electronic device.

Background

Electronic equipment such as mobile phones, tablet computers and wearable equipment has become an indispensable scientific and technological product in the life, study and entertainment processes of people. With the development of electronic devices and the upgrading of consumer experience, electronic devices are developing towards long endurance, light weight and thin profile.

Electronic devices have long endurance, and batteries thereof are generally required to have large capacity. However, in the related art, the large-capacity battery is difficult to be thinned due to structural defects, which is disadvantageous to the slim design of electronic devices.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides a battery and an electronic device. The battery can be thinner through an optimized structure, and further the light and thin design of electronic equipment can be met.

The technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, a battery is provided, which includes a housing, a battery core, and a protection plate, where the housing includes a mating end surface; the battery cell is arranged on the shell and comprises a lug, the lug comprises a first connecting body extending out of the matching end face, and the first connecting body is arranged facing the matching end face; the protection shield includes first face, and the protection shield is range upon range of to be set up in the fitting end face for first face sets up towards the fitting end face, and is connected with first connector electricity.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

and laminating the protection plate on the matching end surface, and enabling the first connecting body to be arranged facing the matching end surface and fixedly connected with the first plate surface of the protection layer. Thus, the tab and the protection plate are stacked in the length direction of the battery, and the space in the width direction of the battery can be fully utilized, so that the tab and the protection plate can be reduced along with the thickness compression of the shell. Namely, the battery can be designed to be flat, so that the battery can be thinner, and the length space and the width space of the electronic equipment are fully utilized to expand the capacity.

According to a second aspect of the embodiments of the present disclosure, there is also provided an electronic device, including a power consumption unit and the above battery, where the battery is used for providing electric energy for the power consumption unit.

the electronic equipment utilizes the battery, can fully utilize the length space and the width space of the electronic equipment to expand the battery capacity, and can be thinner while having long endurance performance, thereby being beneficial to light and thin design.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

Brief description of the drawingsthe accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not intended to limit the disclosure.

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an electronic device shown in an embodiment.

Fig. 2 is a schematic structural view of the battery shown in fig. 1.

Fig. 3 is an enlarged schematic view of a shown in fig. 2.

Fig. 4 is a schematic diagram of a in fig. 3 after the first insulating protection layer is hidden.

Fig. 5 is a left side view of the battery shown in fig. 2.

Fig. 6 is an enlarged schematic view of B shown in fig. 5.

Description of reference numerals:

10. an electronic device; 100. a housing; 200. an electricity utilization unit; 300. a battery; 310. a housing; 311. a mating end face; 320. an electric core; 321. a tab; 301. a first connecting body; 302. a transition body; 303. a second connector; 303a, a first side portion; 303b, a second side wall; 304. a third connector; 304a, an arc; 304b, a bending part; 330. a protection plate; 331. a first board surface; 332. a second board surface; 340. a first insulating protection layer; 350. a second insulating protective layer; 360. an elastic layer.

Detailed Description

For the purpose of making the purpose, technical solutions and advantages of the present disclosure more apparent, the present disclosure will be described in further detail below with reference to the accompanying drawings and detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the disclosure, are intended for purposes of illustration only and are not intended to limit the scope of the disclosure.

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 disclosure belongs. The terminology used herein in the description of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

Electronic devices have long endurance, and batteries thereof are generally required to have large capacity. However, in the related art, the thickness of the package structure of the large-capacity battery, which is composed of the protection plate, the tab and the like, is difficult to be reduced, which makes the thickness of the battery difficult to be reduced, and is not favorable for the design of the electronic device.

Therefore, the present disclosure provides a battery, which can be thinned by optimizing a package structure, and further can be adapted to a light and thin design of an electronic device, especially can be thinned. The battery disclosed by the invention is applied to the electronic equipment, and the requirement of light and thin design of the electronic equipment can be met.

The technical scheme of the disclosure is further understood by combining the drawings.

As shown in fig. 1 to 6, a structural view of an electronic device and a battery according to an embodiment is shown. Fig. 1 is a schematic structural diagram of an electronic device shown in an embodiment. Fig. 2 is a schematic structural view of the battery shown in fig. 1. Fig. 3 is an enlarged schematic view of a shown in fig. 2. Fig. 4 is a schematic diagram of a in fig. 3 after the first insulating protection layer is hidden. Fig. 5 is a left side view of the battery shown in fig. 2. Fig. 6 is an enlarged schematic view of B shown in fig. 5.

As shown in fig. 1, in an embodiment of the present disclosure, an electronic device 10 is provided, which includes a housing 100, an electricity using unit 200, and a battery 300, wherein the battery 300 is used for supplying electric energy to the electricity using unit 200.

The housing 100 is formed with a receiving space (not labeled) for disposing various components of the electronic device 10, and the housing 100 may also function to protect the electronic device 10. At least part of the power using unit 200 and the battery 300 are disposed in the receiving space of the case 100 and connected with the case 100. In some embodiments, the housing 100 includes a middle frame (not labeled) to which the battery 300 may be secured. The material of the housing 100 may be metal, plastic, ceramic, or glass.

As shown in fig. 2 to 4, the battery 300 includes a housing 310, a battery cell 320, and a protection plate 330, where the housing 310 includes a mating end surface 311; the battery cell 320 is disposed on the housing 310, the battery cell 320 includes a tab 321, the tab 321 includes a first connecting body 301 extending out of the mating end face 311, and the first connecting body 301 is disposed facing the mating end face 311; the protection plate 330 includes a first plate surface 331, and the protection plate 330 is stacked on the mating end surface 311 such that the first plate surface 331 is disposed facing the mating end surface 311 and electrically connected to the first connector 301.

In this way, the protective plate 330 is laminated on the mating end surface 311, and the first connector 301 is also provided facing the mating end surface 311 and is fixedly connected to the first plate surface 331 of the protective layer. In this way, the tab 321 and the protection plate 330 are stacked in the longitudinal direction of the battery 300, and the space in the width direction of the battery 300 can be fully utilized, so that the tab 321 and the protection plate 330 can be reduced in size along with the thickness compression of the case 310. That is, the battery 300 can be made thinner with a flattened design. In addition, the battery 300 can fully utilize the length space and the width space of the electronic device 10 to expand the capacity of the battery 300, so that the electronic device 10 can be thinner while having long endurance performance, thereby being beneficial to light and thin design, further attracting consumers and improving product competitiveness.

It can be understood that the electronic device 10 with display function, such as a mobile phone or a tablet computer, has been developed and is an important feature for attracting users. By using the battery 300 of the present disclosure, the area of the display screen can be fully utilized to increase the capacity of the battery 300. That is, the protective plate 330 can be made longer and narrower in the width direction of the display screen without causing an excessive thickness of the battery 300 to affect the thinning of the electronic device 10. That is, when the battery 300 of the present disclosure is applied to the electronic device 10 having a display function, it is able to use the requirement of large screen display, have long endurance, and be light and thin.

It should be noted that the electronic device 10 involved in the embodiments of the present disclosure may include a handheld device, an in-vehicle device, a wearable device, a computing device, or other processing device connected to a wireless modem. But may also include cellular telephones (cellular phones), smart phones (smart phones), Personal Digital Assistants (PDAs), tablet computers, laptop computers (laptops), camcorders, video recorders, cameras, smart watches (smart watches), smart bracelets (smart wristbands), in-vehicle computers, and other imaging enabled electronic devices 10. The embodiment of the present disclosure does not particularly limit the specific form of the electronic device 10, and for convenience of understanding, the following description takes the electronic device 10 as a mobile phone as an example.

The power unit 200 includes, but is not limited to, electrical components such as a CPU, a camera module, a display screen, a sensor, and a speaker.

It should be understood that the installation position of the battery 300 shown in fig. 1 is merely illustrative. And the battery 300 includes, but is not limited to, a pouch battery 300 or a hard pack battery 300 that can be applied to the electronic device 10.

In an embodiment, the battery 300 of the present disclosure is a pouch battery 300, the housing 310 is made of a metal composite film and is used to wrap the battery cell 320, and the mating end 311 is a packaging end. Thus, the battery 300 of the present disclosure can have the advantages of light weight, large capacity, good safety performance, and the like. In addition, the protection plate 330 can be made thin and narrow by the sealing method of the mating end face 311, the tab 321, and the protection plate 330, so that the thickness of the battery 300 can be reduced, and the length of the battery 300 can be reduced by 1.5 mm. Or in a battery 300 bin of the same size, the volume of the battery cell 320 can be increased, thereby increasing the capacity of the battery 300.

The metal composite film includes, but is not limited to, an aluminum-plastic composite film.

It should be noted that the protection board 330 of the present disclosure may be formed by at least one of a protection chip (or a management chip), a MOS transistor (triode), a resistor, a capacitor, and a PCB board (circuit board).

On the basis of any of the above embodiments, as shown in fig. 4 to fig. 6, in an embodiment, the protection plate 330 further includes a second plate surface 332 disposed opposite to the first plate surface 331, the tab 321 includes a transition body 302 and a second connection body 303 disposed at an interval from the second plate surface 332, the second connection body 303 is fixedly connected to the first connection body 301 through the transition body 302, and the protection plate 330 is disposed between the second connection body 303 and the first connection body 301. In this way, the tab 321 can be connected to the electricity using unit 200 via the second connecting body 303 to supply electric power to the electricity using unit 200.

The transition body 302 is disposed such that the interval between the first connection body 301 and the second connection body 303 is adjustable. Moreover, the first connecting body 301, the transition body 302 and the second connecting body 303 are conveniently formed integrally by punching the tab 321, which is beneficial to reducing the manufacturing cost.

In addition to the above embodiments, as shown in fig. 3 and fig. 4, in an embodiment, the battery 300 further includes a first insulating protection layer 340, and the first insulating protection layer 340 is disposed on the second plate surface 332. In this way, the protective plate 330 is protected by the first insulating protection layer 340, and the metal layer of the second plate surface 332 is prevented from being exposed, so that the waterproof performance of the battery 300 of the present disclosure can be improved.

The first insulating protection layer 340 includes but is not limited to waterproof silicone, waterproof glue, waterproof insulating glue, etc., and can be disposed on the second board 332 in various ways, such as hot melt curing, painting, injection molding, etc.

In an exemplary embodiment, the first insulating protection layer 340 is encapsulated on the second plate surface 332 by injection molding. So, utilize the mode of moulding plastics to encapsulate first insulation inoxidizing coating 340 on second face 332, can enough play the guard action, can improve the regularity of first insulation inoxidizing coating 340 again to make the packaging structure of this disclosed battery 300 more regular, in order to improve space utilization.

In addition to any of the above embodiments, as shown in fig. 3 and fig. 6, in an embodiment, the battery 300 further includes a second insulating protection layer 350, where the second insulating protection layer 350 is disposed on the first plate surface 331 for protecting the protection plate 330; and at least a portion of the first connector 301 is disposed within the second insulating protective layer 350. Thus, the protective plate 330 is protected by the second insulating protection layer 350, so as to prevent the electrical elements of the first plate surface 331 from being exposed, thereby improving the waterproof performance of the battery 300 of the present disclosure. And simultaneously cooperates with the first insulating protection layer 340, so that the protection plate 330 has good waterproof performance, further the waterproof performance of the battery 300 of the present disclosure.

The second insulating protection layer 350 is made of a material including but not limited to waterproof silicone, waterproof glue, waterproof insulating glue, etc., and can be disposed on the second board surface 332 in various ways, such as hot melt curing, painting, injection molding, and packaging.

In an exemplary embodiment, the second insulation protection layer 350 is encapsulated on the first plate surface 331 by injection molding. Thus, the first insulating protection layer 340 is encapsulated on the first board surface 331 by injection molding, so as to better protect the protection board and the first connector 301, and improve the regularity of the second insulating protection layer 350, so as to better fix the second insulating protection layer with the mating end surface 311, such as adhesion fixation.

On the basis of any of the above embodiments of the second insulating protection layer, in an embodiment, the mating end 311 is provided with an elastic layer 360, and the elastic layer 360 is fixedly connected with the second insulating protection layer 350. In this way, the battery cell 320 can be protected by the elastic layer 360, so that the mating end surface 311 has better packaging performance. In addition, the elastic layer 360 can buffer the impact force on the battery 300 of the present disclosure, so as to better protect the battery cell 320 and improve the reliability of the battery 300 of the present disclosure.

The elastic layer 360 can be implemented in various ways, including but not limited to a silicone pad, a rubber pad, etc.

In addition to any one of the above embodiments of the second connection body 303, as shown in fig. 6, in an embodiment, the tab 321 further includes a third connection body 304, a length direction of the third connection body 304 is perpendicular to the first plate surface 331, and the third connection body 304 is fixedly connected to the second connection body 303. Therefore, the third connecting body 304 is convenient to be welded and fixed with the power utilization unit 200, the assembly difficulty is reduced, and the assembly efficiency is improved.

Based on the above embodiment, as shown in fig. 6, in an embodiment, the second connecting body 303 includes a first side portion 303a and a second side portion, the first side portion 303a and the second side portion are disposed at an interval along the thickness direction of the battery 300, the third connecting body 304 includes an arc portion 304a and a bending portion 304b, one end of the arc portion 304a is fixedly connected to the first side portion 303a, so that the other end of the arc portion 304a is disposed away from the second side portion, and the other end of the arc portion 304a is connected to the bending portion 304 b. In this way, the third connecting body 304 can be integrally formed with the first connecting body 301 and the second connecting body 303 by pressing or the like, so that the number of assembling processes can be reduced, and the manufacturing efficiency of the tab 321 can be improved. Further, the arc portion 304a can reduce stress concentration and improve the reliability of the tab 321.

It should be noted that the "first connecting body" may be a part of the tab, that is, the "first connecting body" and the "other part of the tab, such as the second connecting body" are integrally formed; or the tab can be separated from other parts of the tab, such as the second connector, so that the first connector can be manufactured independently and then combined with other parts of the tab, such as the second connector, into a whole.

Equivalently, "a body" may be a part of a corresponding "member," that is, "a body" manufactured integrally with other parts of the "member; or a separate component which can be separated from the other parts of the component, namely a certain body, can be manufactured independently and then combined with the other parts of the component into a whole. The expression "a certain body" in the present disclosure is only one of the embodiments, which is convenient for reading and is not a limitation to the scope of the present disclosure, and should be understood as an equivalent technical solution of the present disclosure as long as the features and the effects are included.

In the description of the present disclosure, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present disclosure and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present disclosure.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include at least one of the feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.

In the present disclosure, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed 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. Further, when one component is considered to be "fixedly connected" to another component, the two components may be fixed by way of detachable connection, or may be fixed by way of non-detachable connection, such as socket connection, snap connection, integrally formed fixation, welding, etc., which can be realized in the conventional art, and is not cumbersome.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show several embodiments of the present disclosure, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present disclosure, and these changes and modifications are all within the scope of the present disclosure.

Claims

1. A battery, comprising:

a housing including a mating end surface;

the battery cell is arranged on the shell and comprises a lug, the lug comprises a first connecting body extending out of the matching end face, and the first connecting body is arranged facing the matching end face; and

the protection plate comprises a first plate surface, and the protection plate is stacked on the matching end surface, so that the first plate surface faces the matching end surface and is electrically connected with the first connecting body.

2. The battery of claim 1, wherein the protection plate further comprises a second plate surface disposed opposite to the first plate surface, the tab comprises a transition body and a second connection body disposed at an outer side of the second plate surface, the second connection body is fixedly connected to the first connection body through the transition body, and the protection plate is disposed between the second connection body and the first connection body.

3. The battery of claim 2, further comprising a first insulating protective layer disposed on the second plate surface.

4. The battery of claim 3, wherein the first insulating protection layer is encapsulated in the second plate surface by injection molding.

5. The battery of claim 2, wherein the tab further comprises a third connector, the third connector has a length direction perpendicular to the first plate surface, and the third connector is fixedly connected to the second connector.

6. The battery according to claim 5, wherein the second connecting body includes a first side portion and a second side portion, the first side portion and the second side portion are disposed at an interval in a thickness direction of the battery, the third connecting body includes an arc portion and a bent portion, one end of the arc portion is fixedly connected to the first side portion, so that the other end of the arc portion is disposed away from the second side portion, and the other end of the arc portion is connected to the bent portion.

7. The battery of claim 1, wherein the battery is a pouch battery, the housing is made of a metal composite film and used for wrapping the battery core, and the mating end face is a packaging end face.

8. The battery of any of claims 2 to 6, further comprising a second insulating protective layer disposed on the first plate surface; and at least part of the first connecting body is arranged in the second insulating protective layer.

9. The battery of claim 8, wherein the second insulating protection layer is encapsulated in the second plate surface by injection molding.

10. The battery of claim 8, wherein the mating end surface is provided with an elastic layer, and the elastic layer is fixedly connected with the second insulating protective layer.

11. An electronic device comprising a power consuming unit and a battery according to any one of claims 1 to 10 for supplying electrical power to the power consuming unit.