CN110299479B

CN110299479B - Electronic device

Info

Publication number: CN110299479B
Application number: CN201910563154.4A
Authority: CN
Inventors: 黄富勇
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2022-01-14
Anticipated expiration: 2039-06-26
Also published as: CN110299479A; WO2020259322A1

Abstract

The embodiment of the application provides electronic equipment. The battery pack is provided with a battery cell and a packaging shell, the packaging shell is provided with a packaging part and an extending part which are sequentially connected, the battery cell is packaged by the packaging part, the extending part is arranged on one side of the packaging part, and a notch is formed in the extending part; the mainboard is arranged on the side where the extending part is located, the mainboard is provided with an extending part located in the notch, and at least one component is arranged on the extending part, so that the at least one component is arranged in the notch. Set up the breach through the one end at the battery, this breach can not lead to the fact the influence to the performance of battery, but this breach can vacate partial space and set up components and parts in the extension in order to set up the extension of mainboard, has reduced the shared space of battery, promotes the inseparable overall arrangement of components and parts on battery and the mainboard, improves space utilization in the electronic equipment.

Description

Electronic device

Technical Field

The application relates to the technical field of electronics, in particular to electronic equipment.

Background

The internal space of electronic equipment such as a mobile phone is extremely limited, and how to effectively arrange devices in the electronic equipment and improve the space utilization rate in the electronic equipment becomes a technical problem to be solved by technical personnel in the field.

Disclosure of Invention

The application provides an electronic device capable of improving space utilization rate.

The embodiment of the application provides electronic equipment. The battery pack is provided with a battery cell and a packaging shell, the packaging shell is provided with a packaging part and an extending part which are sequentially connected, the battery cell is packaged by the packaging part, the extending part is arranged on one side of the packaging part, and a notch is formed in the extending part; the mainboard is arranged on the side where the extending part is located, the mainboard is provided with an extending part located in the notch, and at least one component is arranged on the extending part, so that the at least one component is arranged in the notch.

Set up the breach through the one end at battery pack, this breach can not cause the influence to battery pack's charge-discharge performance, but this breach can vacate partial space and set up components and parts in the extension in order to set up the extension of mainboard, has reduced the shared space of battery pack, promotes the inseparable overall arrangement of components and parts on battery pack and the mainboard, improves the space utilization in the electronic equipment.

Drawings

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

Fig. 1 is a perspective view of an electronic device according to an embodiment of the present application.

Fig. 2 is a top view of an interior of an electronic device according to an embodiment of the present disclosure.

Fig. 3 is an enlarged view of a battery assembly of an electronic device according to an embodiment of the present disclosure.

Fig. 4 is an enlarged view of a main board of an electronic device provided in an embodiment of the present application.

Fig. 5 is a schematic diagram of a disassembled battery assembly of an electronic device according to an embodiment of the present disclosure.

Fig. 6 is a top view from a front perspective of an interior of an electronic device according to an embodiment of the present disclosure.

Fig. 7 is a top view of a back view of an interior of an electronic device according to an embodiment of the present disclosure.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

Referring to fig. 1, fig. 1 is a first perspective view of an electronic device 100. The electronic device 100 may be an electronic apparatus such as a tablet computer, a mobile phone, a notebook computer, a vehicle-mounted device, and a wearable device. For convenience of description, the electronic device 100 is defined with reference to the first viewing angle, the width direction of the electronic device 100 is defined as the X direction, the length direction of the electronic device 100 is defined as the Y direction, and the thickness direction of the electronic device 100 is defined as the Z direction.

Referring to fig. 2, an embodiment of the present application provides an electronic device 100. The electronic device 100 includes a battery pack 1 and a main board 2. Referring to fig. 3 to 5, the battery assembly 1 has a battery core 121 and an encapsulating case 124. The package 124 has a package portion 126 and a protrusion portion 125 connected in series. The encapsulation portion 126 encapsulates the battery cell 121. The protrusion 125 is disposed at one side of the encapsulation 126. The protrusion 125 is provided with a notch 11. The main board 2 is disposed on the side of the protruding portion 125 and adjacent to the battery module 1. Referring to fig. 4, the main board 2 has an extending portion 21 located in the gap 11. At least one component 211 is disposed on the extension portion 21, so that the at least one component 211 is disposed in the notch 11.

One end through at battery pack 1 sets up breach 11, and this breach 11 can not lead to the fact the influence to battery pack 1's performance, but this breach 11 can vacate partial space and set up components and parts 211 with the extension 21 that sets up mainboard 2 on extension 21, has reduced the shared space of battery pack 1, promotes the inseparable overall arrangement of components and parts 211 on battery pack 1 and the mainboard 2, improves the space utilization in the electronic equipment 100.

It can be understood that, referring to fig. 2, the battery assembly 1 and the main board 2 are arranged along the Y-axis direction. The notch 11 is arranged at one end of the battery pack 1 close to the main board 2, and the notch 11 can be arranged in the edge area or the middle area of one side of the battery pack 1 close to the main board 2. One edge of the main board 2 is close to the battery pack 1, an extension portion 21 is disposed on the edge of the main board 2, and the extension portion 21 extends into the notch 11 from the edge of the main board 2, so as to fully utilize the space in the notch 11 and improve the space utilization rate of the electronic device 100.

In an embodiment, referring to fig. 2 and fig. 5, the battery assembly 1 further includes a battery protection plate 13. The battery protection board 13 is provided with a protection circuit 133 electrically connected to the battery cell 12. The protruding portion 125 is recessed with respect to the encapsulating portion 126, and the battery protection plate 13 is stacked on the protruding portion 125.

Specifically, the protruding portion 125 is recessed in the Z-axis direction with respect to the encapsulating portion 126, and it is understood that one surface of the protruding portion 125 is flush with one surface of the encapsulating portion 126, and the other surface of the protruding portion 125 is recessed with respect to the other surface of the encapsulating portion 126. The battery protection plate 13 is stacked on the other surface of the protruding part 125 such that the surface of the battery protection plate 13 is approximately parallel to the other surface of the packing part 126 to improve the flatness of the battery assembly 1.

Referring to fig. 2 and fig. 5, the battery protection plate 13 is disposed between the battery cell 12 and the main board 2. The battery protection plate 13 has a first end 131 and a second end 132 disposed opposite to each other. The first end 131 of the battery protection plate 13 is electrically connected to the main board 2. The second end 132 of the battery protection plate 13 is close to the extension 21.

It is understood that the battery protection plate 13 is provided with a gap portion 136 corresponding to the gap 11 with respect to the battery cell 12, and specifically refer to the dotted line portion of the second end 132 of the battery protection plate 13 in fig. 5.

Through set up the vacancy portion 136 corresponding with breach 11 on battery protection shield 13, breach 11 and vacancy portion 136 are located to the last component of mainboard 2, can not influence battery pack 1's electric core 12 or reduce the capacity of electric core 12, only reduce the area of battery protection shield 13 to make the structure between battery pack 1 and the mainboard 2 compacter, improve the space utilization in electronic equipment 100. The circuit of the battery protection board 13 is arranged on one side of the hollow part 136 by arranging the hollow part 136 at one end of the battery protection board 13 far away from the electric connection main board 2, so that the arrangement of the hollow part 11 does not influence the circuit on the battery protection board 13.

Further, the battery protection plate 13 is elongated and extends in the X direction. Since the cutout 136 is provided at one end of the battery protection plate 13, the battery protection plate 13 and the cutout 136 are arranged along X. The extension 125 is elongated. The battery protection plate 13 and the protruding portion 125 are stacked in the Z-axis direction, so that the battery protection plate 13 generates pressure on the protruding portion 125, thereby facilitating the sealing performance of the opening at the protruding portion 125.

When the battery protection plate 13 is disposed on the extension 125, the cutout 136 of the battery protection plate 13 corresponds to the notch 11 of the extension 125. It can be understood that the edge of the notch 136 of the battery protection board 13 is substantially flush with the edge of the notch 11 of the extending portion 125, so that the main board 2 can extend into the area where the notch 11 and the notch 136 are located, and the area of the notch 11 and the notch 136 is utilized to improve the internal compactness of the electronic device 100.

Specifically, referring to fig. 2 and 3, the main board 2, the battery protection plate 13 and the battery assembly 1 are arranged along the Y-axis direction. The length of the battery protection plate 13 in the X direction is smaller than the length of the main board 2 in the X direction and the length of the battery protection plate 13 in the X direction. Further, the second end 132 of the battery protection board 13 is retracted relative to the battery cells 12 and the main board 2, so that a gap 136 is formed between the second end 132 of the battery protection board 13 and the end surface of the battery assembly 1, and the gap 136 and the battery protection board 13 are aligned along the X-axis direction.

Taking the electronic device 100 as a mobile phone as an example, the first end 131 of the battery protection plate 13 may be an end close to the left side frame of the mobile phone, or an end close to the right side frame of the mobile phone. In this embodiment, the first end 131 of the battery protection plate 13 is taken as an example of an end close to the left side frame of the mobile phone.

In an embodiment, referring to fig. 2 to 4, the first end 211 of the extending portion 21 is close to the battery cell 12. The second end 212 of the extension 21 is close to the second end 132 of the battery protection plate 13. The end surface of the third end 213 of the extension 21 is recessed relative to the end surface of the battery cell 12 or flush with the end surface of the battery cell 12. The third end 213 of the extension 21 is opposite to the second end 212 of the extension 21.

Specifically, referring to fig. 2 to 4, the extending portion 21 is disposed on a side of the main board 2 facing the battery assembly 1. The extension 21 has a second end 212 and a third end 213 disposed opposite to each other. Wherein the second end 212 and the third end 213 of the extension 21 are arranged along the X direction. The second end 212 of the extension portion 21 is close to the battery protection plate 13, and the second end 212 of the extension portion 21 and the battery protection plate 13 have only a small distance therebetween, so that the extension portion 21 and the battery protection plate 13 do not interfere with each other. The third end 213 of the extension 21 faces away from the battery protection plate 13. The end surface of the third end 213 of the extension portion 21 may be slightly recessed relative to the end surface of the battery cell 12 or flush with the end surface of the battery cell 12, so that the extension portion 21 does not protrude out of the area occupied by the battery assembly 1, which results in wasted space. The first end 211 of the extension 21 is as close to the battery assembly 1 as possible, and the first end 211 of the extension 21 is spaced from the battery assembly 1 only by a small distance so that the extension 21 and the battery assembly 1 do not interfere with each other.

By arranging the second end 212 of the extension part 21 as close to the battery protection plate 13 as possible, the first end 211 of the extension part 21 is arranged as close to the battery assembly 1 as possible, and the third end 213 of the extension part 21 does not exceed the edge of the battery assembly 1, so that the extension part 21 occupies as much area as possible of the notch 11 and the notch 136, and the compactness of the electronic device 100 is improved.

In an embodiment, referring to fig. 2 and fig. 5, the battery cell 12 includes a battery cell body 121, two tabs 122 and 123 connected to the battery cell body 121, and a package case 124 coated on an outer peripheral surface of the battery cell body 121. Two tabs 122, 123 are disposed on one side of the cell body 121 close to the battery protection plate 13. A portion of the encapsulating case 124 extends at an end of the cell body 121 where the two tabs 122 and 123 are provided to form a protruding portion 125, and the two tabs 122 and 123 protrude from the protruding portion 125 and are electrically connected to the battery protection plate 13.

Specifically, the battery cell body 121 is a lithium battery cell group formed by connecting a single section or multiple sections in series, one part of the two tabs 122 and 123 is disposed in the packaging case 124, and the other part of the two tabs extends out of the packaging case 124 to be electrically connected to the battery protection plate 13. The two tabs 122 and 123 are respectively the positive and negative electrodes of the battery cell 12. The positive and negative conductors of the battery assembly 1 may be nickel metal sheets.

Specifically, the package housing 124 includes, but is not limited to, a stainless steel housing, an aluminum plastic film, or the like. The encapsulation of the battery cell 12 by using a stainless steel shell or an aluminum shell is generally called hard packaging, and the obtained battery is called a hard-pack battery. The hard pack packaging has the characteristics of long service life and low manufacturing cost. The packaging of the battery cell 12 with an aluminum-plastic film is generally called flexible packaging, and the obtained battery is called a flexible package battery. The soft package battery has the advantages of good safety performance, light weight (the weight of the soft package battery is 40% lighter than that of a steel shell lithium battery with the same capacity and is 20% lighter than that of an aluminum shell battery), large capacity (the capacity of the soft package battery is 10-15% higher than that of the steel shell battery with the same specification and size and is 5-10% higher than that of the aluminum shell battery), small internal resistance and flexible design. The battery in this embodiment employs a flexible package. Of course, the hard package or soft package of the battery can be selected according to actual needs, and the existing mature packaging technology can be selected by the method.

Specifically, referring to fig. 2 and fig. 5, two tabs 122 and 123 are disposed on one side of the battery assembly 1 close to the main board 2. The two tabs 122 and 123 and the notch 11 are disposed on the same side and are staggered with each other, so as to prevent the notch 11 from affecting the conduction between the two tabs 122 and 123. The two tabs 122, 123 are disposed at intervals, and the notch 11 may be disposed on any one of two sides of the two tabs 122, 123. When the notch 11 is disposed on one side of the two tabs 122, 123, the connection trace between the two tabs 122, 123 extends from the other side of the two tabs 122, 123 and is electrically connected to the power management chip on the motherboard 2.

Further, referring to fig. 2 and fig. 5, when the packaging case 124 extends toward the main board 2 at a side portion of the battery assembly 1 close to the main board 2, a protruding portion 125 is formed. The two tabs 122, 123 protrude from the protrusion 125. The extending portion 125 is a sealing opening formed by overlapping aluminum plastic films on the upper and lower sides of the cell body 121. The extension 125 has a dimension in the Y-axis direction of about 2.7 mm. One end of the protruding portion 125 is provided with a notch 11 that is formed by inward shrinking relative to the cell body 121 and the main board 2. This breach 11 is that the border orientation that the extension 125 is close to mainboard 2 contracts about 1.8mm in deviating from the direction of mainboard 2, and the side of extension 125 contracts 11.8 ~ 15.8mm in the X direction and forms.

In one embodiment, referring to fig. 2 and fig. 5, the edge of the notch 11 is close to one of the two tabs 122, 123. In other words, the edge of the notch 11 is close to one of the two tabs 122, 123. That is, the notch 11 is disposed close to the tab to increase the size of the notch 11 in the X direction as much as possible and to reduce the influence of the notch 11 on the tab electrode and the circuit to which the tab is electrically connected.

In an embodiment, referring to fig. 2 and fig. 5, the battery protection board 13 includes a flexible circuit board 134 provided with a protection circuit 133. The battery protection plate 13 is connected to two tabs 122, 123 of the battery cell 12. Specifically, the protection circuit 133 is disposed between the two tabs 122 and 123 and on a side of the two tabs 122 and 123 away from the notch 11. Two tabs 122, 123 extend from the package 124 and are electrically connected to a flexible circuit board 134. Further, two tabs 122, 123 protrude from the package 124 and electrically connect different soldering areas on the flexible circuit board 134 by spot welding or solder welding.

Further, referring to fig. 2 and fig. 5, the battery protection board 13 further includes a supporting board 135 supporting the flexible circuit board 134. The side of the flexible circuit board 134 provided with the protection circuit 133 faces the protruding portion 125. After the welding regions of the two tabs 122 and 123 are welded to the flexible circuit board 134, the two tabs 122 and 123 are bent so that the side of the flexible circuit board 134 provided with the protection circuit 133 is disposed on the extension 125. The supporting plate 135 is provided on a side of the flexible circuit board 134 not provided to the protection circuit 133. Further, the packaging case 124, the flexible circuit board 134 and the support plate 135 of the battery assembly 1 may be adhered by using adhesive tape to enhance the firmness among the packaging case 124, the flexible circuit board 134 and the support plate 135 of the battery assembly 1. One end of the flexible circuit board 134 extends out of the support plate 135 and the adhesive tape, and is bent to extend toward the main board 2 to be electrically connected to the main board 2.

Specifically, the protection circuit 133 is connected to a charge/discharge circuit of the battery pack 1 in the electronic device 100, and is configured to automatically turn off the power supply when the condition is met. The protection circuit 133 includes an overcharge protection circuit 133, an overdischarge protection circuit 133, and a short-circuit protection circuit 133. The overcharge protection circuit 133 automatically stops charging when the battery assembly 1 is fully charged. The over-discharge protection circuit 133 automatically stops discharging when the battery pack 1 is used up to 3.2V. The short-circuit protection circuit 133 automatically disconnects the battery assembly 1 when it is inadvertently short-circuited.

The battery protection board 13 also comprises a current detection resistor and a battery pack 1 electric meter which are connected in series in the charge-discharge loop; the battery pack 1 electricity meter is connected with two ends of the current detection resistor, and in the process that the battery pack 1 is charged and discharged through the charging and discharging loop, the battery pack 1 electricity meter detects the voltage drop generated by the impedance of the current detection resistor and determines the electric quantity of the battery pack 1 according to the voltage drop.

The battery protection plate 13 may further include a temperature detection circuit for detecting the temperature of the battery assembly 1 or the battery protection plate 13; the battery pack 1 fuel gauge may be connected to the temperature detection circuit, and the battery pack 1 fuel gauge may be specifically configured to: determining the impedance of the section of conducting wire at the current temperature according to the temperature detected by the temperature detection circuit and the corresponding relation between the temperature and the impedance of the section of conducting wire (the corresponding relation can be stored and recorded in a memory of the battery protection board 13 in advance); detecting the current flowing through the section of wire according to the impedance of the section of wire at the current temperature; the amount of charge of the battery assembly 1 is determined based on the current flowing through the length of wire. The temperature detection circuit may be integrated in the battery pack 1 fuel gauge. In some embodiments, the temperature detection circuit may be provided separately from the battery assembly 1 fuel gauge.

In an embodiment, referring to fig. 2 and fig. 6, the extending portion 21 has a first surface 22 and a second surface 23 opposite to each other. The first surface 22 faces the display screen 3 of the electronic device 100, and a first device 221 is disposed on the first surface 22. In other words, the first device 221 is disposed in the notch 11 and the void 316.

Specifically, the main board 2 has a first surface 22 and a second surface 23 which are opposite to each other. The first surface 22 faces the display screen 3, and a baseband module, a radio frequency transceiver module, a radio frequency power amplifier module and a control module of the display screen 3 are arranged on the first surface 22. Further, the first device 221 includes a part of the baseband module 222.

By providing the notch 11 and the void 316 at one end of the battery pack 1, the extension 21 of the main board 2 is provided in the notch 11 and the void 316, and providing the first device 221 on the first surface 22 of the extension 21, the first device 221 is provided in the notch 11 and the void 316, and the space in the notch 11 and the void 316 is effectively utilized, thereby improving the compactness of the internal structure of the electronic device 100.

In an embodiment, referring to fig. 2 and fig. 6, the third end 213 of the extension portion 21 is close to the middle frame of the electronic device 100. The first device 221 further comprises a conductive dome 223. The conductive elastic piece 223 is disposed between the baseband module 222 and the middle frame, and the conductive elastic piece 223 is used for connecting an antenna, a volume key or a power key on the middle frame.

Because the extension part 21 is close to the side frame of the middle frame, the conductive elastic piece 223 is arranged on the extension part 21, so that an antenna, a volume key or a power key of the side frame of the middle frame is communicated with the mainboard 2 through the conductive elastic piece 223, the position of the conductive elastic piece 223 is reasonably designed, the compactness of the layout of devices in the electronic equipment 100 is improved, and the space utilization rate in the electronic equipment 100 is improved.

Specifically, the second surface 23 of the motherboard 2 is provided with an audio decoding module, an NFC antenna module, a power management module, a power amplification module, and the like.

In an embodiment, referring to fig. 2 and fig. 7, a second device is disposed on the second surface 23 of the extension portion 21. The second device includes a board-to-board electrical connector 232.

Specifically, the extension part 21 is rectangular, and the size of the extension part 21 is suitable for placing 30-50 PIN board-to-board connectors on the extension part 21, so that the space on the extension part 21 is fully utilized, and the waste of the space on the extension part 21 is reduced.

In an embodiment, referring to fig. 1, fig. 2 and fig. 7, the electronic device 100 further includes a display screen 3. The display screen 3 is arranged opposite to the first surface 22 of the main board 2 and the battery pack 1. The board-to-board electrical connector 232 includes a male socket 233 and a female socket 234. The male seat 233 is disposed on the second surface 23 of the extension 21. The female socket 234 is one end of the flexible circuit board of the display 3. The other end of the flexible circuit board of the display screen 3 is electrically connected with the display screen 3. The flexible circuit board of the display screen 3 passes through the gap between the battery pack 1 and the display screen 3 and is electrically connected to the male seat 233 on the main board 2; or the flexible circuit board of the display screen 3 is electrically connected to the male socket 233 on the motherboard 2 via the side of the battery assembly 1 away from the display screen 3.

By providing the board-to-board connector of the display screen 3 on the extension portion 21, the space on the extension portion 21 is fully utilized, and the waste of space on the extension portion 21 is reduced.

In an embodiment, referring to fig. 7, the electronic device 100 further includes a USB interface 4 and a sub-board 5. The USB interface 4 and the auxiliary board 5 are arranged on one side, away from the main board 2, of the battery pack 1. The board-to-board electrical connector 232 includes a male socket 233 and a female socket 234. The male seat 233 is provided on the extension 21. The female socket 234 is one end of the flexible circuit board of the USB interface 4 or the sub-board 5. The other end of the flexible circuit board of the USB interface 4 or the auxiliary board 5 is electrically connected with the USB interface 4 or the auxiliary board 5.

By arranging the board-to-board connector of the USB interface 4 or the sub-board 5 on the extension portion 21, the space on the extension portion 21 is fully utilized, and the waste of space on the extension portion 21 is reduced.

The foregoing is a partial description of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.

Claims

1. An electronic device, comprising:

the battery pack is provided with a battery cell and a packaging shell, the packaging shell is provided with a packaging part and an extending part which are sequentially connected, the battery cell is packaged by the packaging part, the extending part is arranged on one side of the packaging part, and a notch is formed in the extending part; and

a main board, which is arranged at the side of the extension part and is provided with an extension part positioned in the gap, the extension part is close to the middle frame of the electronic equipment, at least one component is arranged on the extension part, so that the at least one component is arranged in the gap, the extension part is provided with a first surface and a second surface which are arranged oppositely, the first surface is used for facing the display screen, the at least one component comprises a conductive elastic sheet arranged on the first surface, a partial baseband module and a board-to-board connector arranged on the second surface, the conductive elastic sheet is arranged between the baseband module and the middle frame and is used for connecting the antenna radiation, the volume key or the power key on the middle frame of the electronic equipment, the board-to-board connector is used for electrically connecting a display screen, an auxiliary board or a USB interface of the electronic equipment.

2. The electronic device of claim 1, wherein the battery assembly further comprises a battery protection board, the battery protection board is provided with a protection circuit electrically connected to the battery core, the protruding portion is recessed with respect to the packaging portion, and the battery protection board is stacked on the protruding portion.

3. The electronic device of claim 2, wherein the battery protection plate has a first end and a second end disposed opposite to each other, the first end of the battery protection plate being electrically connected to the main board, the second end of the battery protection plate being adjacent to the extension portion.

4. The electronic device of claim 3, wherein the first end of the extension portion is proximate to the cell, the second end of the extension portion is proximate to the second end of the battery protection plate, an end surface of a third end of the extension portion is recessed relative to the end surface of the cell or is flush with the end surface of the cell, and the third end of the extension portion is opposite to the second end of the extension portion.

5. The electronic device of claim 4, wherein the first side faces a display screen of the electronic device, and wherein the first device is disposed on the first side.

6. The electronic device of claim 5, wherein the first device further comprises the conductive dome.

7. The electronic device of claim 5, wherein a second device is disposed on the second side.

8. The electronic device of claim 7, wherein the second component comprises the board-to-board electrical connector.

9. The electronic device of claim 8, further comprising a display screen disposed opposite to the first side of the motherboard and the battery, wherein the board-to-board electrical connector comprises a male socket and a female socket, the male socket is disposed on the extension portion, the female socket is one end of a flexible circuit board, and the other end of the flexible circuit board is electrically connected to the display screen.

10. The electronic device according to claim 8, further comprising a USB port and a sub board, wherein the USB port and the sub board are disposed on a side of the battery facing away from the main board, the board-to-board electrical connector comprises a male socket and a female socket, the male socket is disposed on the extension portion, the female socket is one end of a flexible circuit board, and the other end of the flexible circuit board is electrically connected to the USB port or the sub board.

11. The electronic device of claim 2, wherein the battery assembly further comprises two tabs electrically connected to the battery cell and extending from the extension and electrically connected to the battery protection plate.

12. The electronic device of claim 11, wherein an edge of the notch is proximate to one of the two tabs.