WO2020259322A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2020259322A1
WO2020259322A1 PCT/CN2020/095866 CN2020095866W WO2020259322A1 WO 2020259322 A1 WO2020259322 A1 WO 2020259322A1 CN 2020095866 W CN2020095866 W CN 2020095866W WO 2020259322 A1 WO2020259322 A1 WO 2020259322A1
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WO
WIPO (PCT)
Prior art keywords
board
electronic device
battery
extension
tabs
Prior art date
Application number
PCT/CN2020/095866
Other languages
English (en)
French (fr)
Inventor
黄富勇
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2020259322A1 publication Critical patent/WO2020259322A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This application relates to the field of electronic technology, in particular to an electronic device.
  • This application provides an electronic device that can improve space utilization.
  • An embodiment of the present application provides an electronic device, including a battery assembly, the battery assembly has a battery cell and an encapsulation shell, the encapsulation shell has a encapsulation part and an extension part connected in sequence, the encapsulation part encapsulates the battery core,
  • the protruding portion is provided on one side of the packaging portion, the protruding portion is provided with a notch; and a main board, the main board is provided on the side of the protruding portion away from the packaging portion, the main board having At least one component is provided on the extension part located in the notch, so that the at least one component is disposed in the notch.
  • the notch can free up some space for the extension of the motherboard and the components on the extension, reducing the space occupied by the battery assembly and promoting the components on the battery assembly and the motherboard.
  • the compact layout of the devices improves the space utilization rate in the electronic equipment, and at the same time, the gap does not affect the charge and discharge performance of the battery assembly, thereby improving the reliability of the electronic equipment.
  • Figure 1 is a perspective view of an electronic device provided by an embodiment of the present application.
  • FIG. 2 is a top view of the inside of an electronic device provided by an embodiment of the present application.
  • FIG. 3 is an enlarged view of a battery assembly of an electronic device provided by an embodiment of the present application.
  • FIG. 4 is an enlarged view of a main board of an electronic device provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of disassembling a battery assembly of an electronic device according to an embodiment of the present application.
  • FIG. 6 is a top view of the interior of an electronic device provided by an embodiment of the present application from a front perspective;
  • FIG. 7 is a top view of the inside of an electronic device provided by an embodiment of the present application from a back perspective.
  • FIG. 1 is a schematic diagram of the electronic device 100 from a first perspective.
  • the electronic device 100 may be an electronic device such as a tablet computer, a mobile phone, a notebook computer, a vehicle-mounted device, and a wearable device.
  • the definition is made with reference to the electronic device 100 at 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 Z to.
  • an embodiment of the present application provides an electronic device 100.
  • the electronic device 100 includes a battery assembly 1 and a motherboard 2.
  • the battery assembly 1 has a battery cell 121 and a packaging shell 124.
  • the packaging shell 124 has a packaging portion 126 and an extension portion 125 connected in sequence.
  • the packaging portion 126 encapsulates the battery cell 121.
  • the protruding portion 125 is provided on one side of the packaging portion 126.
  • the extension 125 is provided with a notch 11.
  • the main board 2 is disposed on the side of the extension 125 and adjacent to the battery assembly 1.
  • the main board 2 has an extension 21 located in the notch 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 gap 11.
  • the notch 11 can free up some space for the extension 21 of the main board 2 and the components 211 on the extension 21, which reduces the space occupied by the battery assembly 1 and promotes
  • the components 211 on the battery assembly 1 and the main board 2 are closely arranged to improve the space utilization rate in the electronic device 100, and the notch 11 will not affect the performance of the battery assembly 1 and improve the reliability of the electronic device 100.
  • the battery assembly 1 and the main board 2 are arranged along the Y-axis direction.
  • the notch 11 is provided at an end of the battery assembly 1 close to the main board 2, and the notch 11 may be provided at the edge area or the middle area of the side of the battery assembly 1 close to the main board 2.
  • One edge of the main board 2 is close to the battery assembly 1, and an extension 21 is provided on the edge of the main board 2.
  • the extension 21 extends from the edge of the main board 2 into the gap 11 to make full use of the gap 11 The space utilization rate of the electronic device 100 is improved.
  • 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 battery protection board 13 is stacked on the extension 125.
  • the battery protection board 13 is disposed between the battery core 12 and the main board 2.
  • the battery protection board 13 has a first end 131 and a second end 132 oppositely arranged along the second direction.
  • the first end 131 of the battery protection board 13 is electrically connected to the main board 2.
  • the second end 132 of the battery protection board 13 is close to the extension 21.
  • the packaging portion 126 and the extension portion 125 are arranged along a first direction.
  • the first direction is the Y-axis direction.
  • the extension 125 has a first surface (the end surface of the first end 131) and a second surface (the end surface of the second end 132) disposed opposite to each other in the second direction.
  • the second direction is perpendicular to the first direction.
  • the second direction is the X-axis direction.
  • the first surface is flush with a surface of the packaging portion 126.
  • the second surface is recessed with respect to the other surface of the packaging portion 126.
  • the second surface is connected with the end surface of the packaging portion 126 to form the notch 11.
  • the extension portion 125 is recessed in the Z-axis direction relative to the packaging portion 126. It can be understood that one surface of the extension portion 125 is flush with a surface of the packaging portion 126, and the other One surface is recessed with respect to the other surface of the packaging portion 126.
  • the battery protection board 13 is stacked on the other surface of the extension 125 so that the surface of the battery protection board 13 and the other surface of the encapsulation portion 126 are approximately parallel to improve the flatness of the battery assembly 1.
  • the battery protection plate 13 is provided with a vacancy portion 136 corresponding to the notch 11 relative to the battery cell 12, and specifically refer to the dotted line part of the second end 132 of the battery protection plate 13 in FIG. 5.
  • the upper element of the main board 2 is provided in the gap 11 and the vacancy portion 136, which will not affect the battery cell 12 of the battery assembly 1 or reduce the capacity of the battery cell 12. Only the area of the battery protection board 13 is reduced, so that the structure between the battery assembly 1 and the main board 2 is more compact, and the space utilization rate in the electronic device 100 is improved.
  • the vacancy portion 136 is located at the end of the battery protection board 13 away from the electrical connection main board 2, so that the circuit of the battery protection board 13 is located on the side of the vacancy portion 136, so that the setting of the gap 11 will not affect the battery protection board 13 The influence of the circuit.
  • the battery protection plate 13 is elongated and extends along the X direction. Since one end of the battery protection board 13 is provided with a vacant portion 136, the battery protection board 13 and the vacant portion 136 are arranged along X.
  • the extension 125 is elongated. The battery protection plate 13 and the extension portion 125 are superimposed and arranged in the Z-axis direction, so that the battery protection plate 13 generates pressure on the extension portion 125, thereby facilitating the sealing of the extension portion 125.
  • the vacant portion 136 of the battery protection board 13 corresponds to the notch 11 of the extension 125. It is understandable that the edge of the notch 136 of the battery protection board 13 is approximately flush with the edge of the notch 11 of the extension 125, so that the main board 2 can extend into the area where the notch 11 and the notch 136 are located, and then use the notch. The area of the region 11 and the vacant portion 136 improves the compactness of the internal structure of the electronic device 100.
  • the main board 2, the battery protection board 13, and the battery assembly 1 are arranged along the Y-axis direction.
  • the length of the battery protection board 13 in the X direction is less than the length of the main board 2 in the X direction, and the length of the battery protection board 13 in the X direction is less than the length of the battery protection board 13 in the X direction.
  • the second end 132 of the battery protection board 13 is retracted relative to the battery core 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.
  • the vacant portion 136 and the battery protection plate 13 are arranged along the X-axis direction.
  • the first end 131 of the battery protection board 13 may be an end close to the left side frame of the mobile phone, or may be an end close to the right side frame of the mobile phone.
  • the first end 131 of the battery protection plate 13 is an end close to the left side frame of the mobile phone as an example for description.
  • the first end 211 of the extension portion 21 is close to the battery core 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 portion 21 is retracted relative to the end surface of the battery core 12 or is flush with the end surface of the battery core 12.
  • the third end 213 of the extension portion 21 is opposite to the second end 212 of the extension portion 21.
  • the extension 21 is provided on the side of the main board 2 facing the battery assembly 1.
  • the extension portion 21 has a second end 212 and a third end 213 opposite to each other. Wherein, the second end 212 and the third end 213 of the extension portion 21 are arranged along the X direction.
  • the second end 212 of the extension 21 is close to the battery protection plate 13, and there is only a small distance between the second end 212 of the extension 21 and the battery protection plate 13, so that there is no gap between the extension 21 and the battery protection plate 13. Will interfere with each other.
  • the third end 213 of the extension 21 faces away from the battery protection board 13.
  • the end surface of the third end 213 of the extension portion 21 may be slightly retracted 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 will not protrude out of the battery assembly 1
  • the first end 211 of the extension 21 is as close to the battery assembly 1 as possible, and there is only a small distance between the first end 211 of the extension 21 and the battery assembly 1, so that there is no gap between the extension 21 and the battery assembly 1. Interfere with each other.
  • the first end 211 of the extension 21 is as close as possible to the battery assembly 1 and the third end 213 of the extension 21 does not extend beyond the battery
  • the edge of the component 1 is such that the extension portion 21 occupies as much area of the gap 11 and the gap portion 136 as possible, thereby improving the compactness of the electronic device 100.
  • the cell 12 includes a cell body 121, two tabs 122, 123 connected to the cell body 121, and covering the outer peripheral surface of the cell body 121 ⁇ encapsulation 124.
  • Two tabs 122 and 123 are provided on the side of the battery body 121 close to the battery protection board 13.
  • the part of the packaging shell 124 extends at the end of the cell body 121 provided with the two tabs 122, 123 to form an extension 125, and the two tabs 122, 123 extend from the The portion 125 extends and is electrically connected to the battery protection board 13.
  • the battery cell body 121 is a single-cell or multiple-cell series-parallel lithium battery cell group.
  • a part of the two tabs 122, 123 is provided in the packaging shell 124, and the other part extends from the packaging shell 124 to be electrically connected to Battery protection board 13.
  • the two tabs 122 and 123 are the positive and negative electrodes of the battery cell 12 respectively.
  • the positive electrode conductor and the negative electrode conductor of the battery assembly 1 may be nickel metal sheets.
  • the packaging shell 124 includes, but is not limited to, a stainless steel shell, an aluminum shell, or an aluminum plastic film.
  • the use of a stainless steel shell or an aluminum shell to package the battery cell 12 is generally called a hard package, and the obtained battery is called a hard pack battery.
  • Hard package packaging has the characteristics of long life and low manufacturing cost.
  • the use of aluminum-plastic film to package the battery cell 12 is generally called a soft package, and the obtained battery is called a soft pack battery.
  • the soft pack battery has good safety performance, light weight (the weight of the soft pack battery is 40% lighter than the steel shell lithium battery of the same capacity, and 20% lighter than the aluminum shell battery), and the capacity is large (the soft pack battery has the capacity of the steel shell battery of the same size It has the advantages of 10-15% higher, 5-10% higher than aluminum shell battery), small internal resistance and flexible design.
  • the battery in this embodiment adopts a flexible package.
  • hard-packed or soft-packed batteries can be selected according to actual needs, and the methods can be selected from existing mature packaging technologies.
  • the two tabs 122 and 123 are arranged on the side of the battery assembly 1 close to the main board 2.
  • the two tabs 122, 123 and the notch 11 are arranged on the same side and staggered to avoid the notch 11 from affecting the conduction between the two tabs 122, 123.
  • the two tabs 122 and 123 are spaced apart, and the notch 11 can be provided on either side of the two tabs 122 and 123.
  • the connecting wire between the two tabs 122, 123 extends from the other side of the two tabs 122, 123 and is electrically connected to the main board 2.
  • the packaging shell 124 extends toward the main board 2 at the side of the battery assembly 1 close to the main board 2 to form a protrusion 125.
  • the two tabs 122 and 123 protrude from the extension 125.
  • the extension 125 is a seal formed by overlapping aluminum plastic films on the upper and lower sides of the cell body 121.
  • the size of the extension 125 in the Y-axis direction is about 2.7 mm.
  • One end of the protruding portion 125 has a gap 11 that is retracted relative to the battery core body 121 and the main board 2.
  • the notch 11 is formed by shrinking the edge of the extension 125 close to the main board 2 by about 1.8 mm in a direction away from the main board 2, and the side surface of the extension 125 shrinks by 11.8-15.8 mm in the X direction.
  • the edge of the notch 11 is close to one of the two tabs 122 and 123. In other words, the edge of the notch 11 is close to one of the two tabs 122 and 123. In other words, the notch 11 is arranged close to the tab to increase the size of the notch 11 in the X direction as much as possible, and to reduce the impact of the notch 11 on the tab electrode and the circuit electrically connected to the tab.
  • the battery protection board 13 includes a flexible circuit board 134 provided with a protection circuit 133.
  • the two tabs 122 and 123 of the battery cell 12 are electrically connected to the flexible circuit board 134.
  • a part of the protection circuit 133 is disposed between the two tabs 122 and 123, and the other part of the protection circuit 133 is disposed on the side of the two tabs 122 and 123 away from the gap 11.
  • Two tabs 122 and 123 protrude from the packaging shell 124 and are electrically connected to the flexible circuit board 134.
  • the two tabs 122 and 123 protrude from the package shell 124 and are electrically connected to different welding areas on the flexible circuit board 134 by spot welding or soldering.
  • the battery protection board 13 further includes a supporting board 135 supporting the flexible circuit board 134.
  • the flexible circuit board 134 is provided with the protection circuit 133 facing the extension 125. After the welding areas of the two tabs 122, 123 are soldered to the flexible circuit board 134, bend the two tabs 122, 123 so that the side of the flexible circuit board 134 with the protection circuit 133 is set on the extension 125 .
  • the supporting board 135 is disposed on a side of the flexible circuit board 134 not disposed on the protection circuit 133.
  • adhesive tape can be used to stick the packaging shell 124, the flexible circuit board 134 and the supporting plate 135 of the battery assembly 1 to strengthen the firmness between the packaging shell 124, the flexible circuit board 134 and the supporting plate 135 of the battery assembly 1.
  • One end of the flexible circuit board 134 protrudes from the support board 135 and the adhesive tape, and extends toward the main board 2 after being bent to be electrically connected to the main board 2.
  • the protection circuit 133 is connected to the charging and discharging circuit of the battery assembly 1 in the electronic device 100, and is used to automatically power off when conditions are 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 pack 1 is fully charged.
  • the over-discharge protection circuit 133 will automatically stop discharging when 3.2V is used in the battery pack 1.
  • the short-circuit protection circuit 133 is automatically disconnected when the battery pack 1 is accidentally short-circuited.
  • the battery protection board 13 also includes a current-sense resistor and a fuel gauge of the battery assembly 1, which are connected in series in the charge and discharge circuit; the fuel gauge of the battery assembly 1 is connected to both ends of the current-sense resistor, and the battery assembly 1 is charged and discharged through the charge and discharge circuit.
  • the fuel gauge of the battery assembly 1 detects the voltage drop generated by the impedance of the current-sense resistor, and determines the power of the battery assembly 1 according to the voltage drop.
  • the battery protection board 13 may also include a temperature detection circuit for detecting the temperature of the battery assembly 1 or the battery protection board 13; the battery assembly 1 fuel gauge can be connected to the temperature detection circuit, and the battery assembly 1 fuel gauge can be specifically used to: according to the temperature detection circuit The detected temperature and the corresponding relationship between the temperature and the impedance of this section of wire (the corresponding relationship can be pre-stored and recorded in the memory of the battery protection board 13) to determine the impedance of this section of wire at the current temperature; The impedance at the current temperature is used to detect the current flowing through this section of wire; according to the current flowing through this section of wire, the power of the battery assembly 1 is determined.
  • the temperature detection circuit can be integrated in the battery pack 1 fuel gauge. In some embodiments, the temperature detection circuit may be provided separately from the fuel gauge of the battery assembly 1.
  • the extension 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 provided on the first surface 22.
  • the first device 221 is provided in the gap 11 and the gap 316.
  • the main board 2 has a first surface 22 and a second surface 23 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 display screen 3 control module are provided on the first surface 22.
  • the first device 221 includes a part of the baseband module 222.
  • the extension 21 of the main board 2 is provided in the notch 11 and the void 316, and a first device 221 is provided on the first surface 22 of the extension 21 to make the A device 221 is arranged in the gap 11 and the gap 316 to effectively use the space in the gap 11 and the gap 316 to improve the compactness of the internal structure of the electronic device 100.
  • the third end 213 of the extension 21 is close to the middle frame of the electronic device 100.
  • the first device 221 further includes a conductive elastic sheet 223.
  • the conductive elastic sheet 223 is arranged between the baseband module 222 and the middle frame, and the conductive elastic sheet 223 is used to connect the antenna, the volume key or the power key on the middle frame.
  • a conductive spring 223 is provided on the extension 21 so that the antenna, volume button or power button of the side frame of the middle frame is connected to the main board 2 through the conductive spring 223, and the conductive spring 223 is reasonably designed.
  • the position of the electronic device 100 improves the compactness of the device layout in the electronic device 100, and improves the space utilization rate in the electronic device 100.
  • the second side 23 of the main board 2 is provided with an audio decoding module, an NFC antenna module, a power management module, a power amplification module, and the like.
  • the second surface 23 of the extension portion 21 is provided with a second device.
  • the second device includes a board-to-board electrical connector 232.
  • the extension 21 is rectangular, and the size of the extension 21 is suitable for placing a 30-50PIN board-to-board connector on the extension 21, so as to make full use of the space on the extension 21 and reduce the extension 21 The space above was wasted.
  • 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 assembly 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 second surface 23 of the extension portion 21.
  • the female base 234 is one end of the flexible circuit board of the display screen 3.
  • the other end of the flexible circuit board of the display screen 3 is electrically connected to the display screen 3.
  • the flexible circuit board of the display screen 3 passes through the gap between the battery assembly 1 and the display screen 3 and is electrically connected to the male socket 233 on the main board 2; or the flexible circuit board of the display screen 3 faces away from the display via the battery assembly 1 One side of the screen 3 is electrically connected to the male socket 233 on the main board 2.
  • the space on the extension portion 21 can be fully utilized and the space waste on the extension portion 21 can be reduced.
  • the electronic device 100 further includes a USB interface 4 and a secondary board 5.
  • the USB interface 4 and the secondary board 5 are arranged on the side of the battery assembly 1 facing away from the main board 2.
  • 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 portion 21.
  • the female socket 234 is one end of the flexible circuit board of the USB interface 4 or the secondary board 5.
  • the other end of the flexible circuit board of the USB interface 4 or the auxiliary board 5 is electrically connected to the USB interface 4 or the auxiliary board 5.
  • the space on the extension part 21 can be fully utilized and the space waste on the extension part 21 can be reduced.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本申请实施例提供了一种电子设备。电池组件，所述电池组件具有电芯和封装壳，所述封装壳具有依次连接的封装部和伸出部，所述封装部封装所述电芯，所述伸出部设于所述封装部的一侧，所述伸出部设有缺口；及主板，所述主板设于所述伸出部远离所述封装部的一侧，所述主板具有位于所述缺口内的延伸部，所述延伸部上设有至少一个元器件，以使所述至少一个元器件设于所述缺口内。通过在电池的一端设置缺口，该缺口可以腾出部分空间以设置主板的延伸部及在延伸部上设置元器件，减小了电池所占用的空间，促进电池与主板上的元器件紧密布局，提高电子设备内的空间利用率；且该缺口不会对电池的性能造成影响。

Description

电子设备 技术领域
本申请涉及电子技术领域，具体涉及一种电子设备。
背景技术
手机等电子设备内部空间极其有限，如何有效地对电子设备内的器件进行布局，提高电子设备内的空间利用率成为本领域技术人员需要解决的技术问题。
发明内容
本申请提供一种能够提高空间利用率的电子设备。
本申请实施例提供了一种电子设备，包括电池组件，所述电池组件具有电芯和封装壳，所述封装壳具有依次连接的封装部和伸出部，所述封装部封装所述电芯，所述伸出部设于所述封装部的一侧，所述伸出部设有缺口；及主板，所述主板设于所述伸出部远离所述封装部的一侧，所述主板具有位于所述缺口内的延伸部，所述延伸部上设有至少一个元器件，以使所述至少一个元器件设于所述缺口内。
通过在电池组件的一端设置缺口，该缺口可以腾出部分空间，以设置主板的延伸部及在延伸部上设置元器件，减小了电池组件所占用的空间，促进电池组件与主板上的元器件紧密布局，提高电子设备内的空间利用率，同时该缺口还不会对电池组件的充放电性能造成影响，提高电子设备的可靠性。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的一种电子设备的立体图；
图2是本申请实施例提供的一种电子设备内部的俯视图；
图3是本申请实施例提供的一种电子设备的电池组件的放大图；
图4是本申请实施例提供的一种电子设备的主板的放大图；
图5是本申请实施例提供的一种电子设备的电池组件的拆分示意图；
图6是本申请实施例提供的一种电子设备的内部的正面视角的俯视图；
图7是本申请实施例提供的一种电子设备的内部的背面视角的俯视图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例的技术方案进行清楚、完整地描述。
请参照图1，图1为电子设备100的第一视角示意图。电子设备100可以是平板电脑、手机、笔记本电脑、车载设备、可穿戴设备等电子装置。其中，为了便于描述，以电子设备100处于第一视角为参照进行定义，电子设备100的宽度方向定义为X向，电子设备100的长度方向定义为Y向，电子设备100的厚度方向定义为Z向。
请参照图2，本申请实施例提供了一种电子设备100。电子设备100包括电池组件1及主板2。请一并参阅图3至图5，所述电池组件1具有电芯121和封装壳124。所述封装壳124具有依次连接的封装部126和伸出部125。所述封装部126封装所述电芯121。所述伸出部125设于所述封装部126的一侧。所述伸出部125设有缺口11。所述主板2设于伸出部125所在侧且与所述电池组件1相邻接。请一并参阅图4，所述主板2具有位于所述缺口11内的延伸部21。所述延伸部21上设有至少一个元器件211，以使所述至少一个元器件211设于所述缺口11内。
通过在电池组件1的一端设置缺口11，该缺口11可以腾出部分空间以设置主板2的延伸部21及在延伸部21上设置元器件211，减小了电池组件1所占用的空间，促进电池组件1与主板2上的元器件211紧密布局，提高电子设备100内的空间利用率，且该缺口11不会对电池组件1的性能造成影响，提高电子设备100的可靠性。
可以理解的，请参照图2，电池组件1与主板2沿Y轴方向排列。所述缺 口11设于所述电池组件1靠近主板2的一端，所述缺口11可以设于所述电池组件1靠近主板2的一侧的边缘区域或中间区域。主板2的一边沿靠近所述电池组件1，在主板2的该边沿上设置延伸部21，所述延伸部21从所述主板2的该边沿延伸至缺口11内，以充分利用该缺口11内的空间，提高电子设备100的空间利用率。
在一实施例中，请一并参照图2及图5，所述电池组件1还包括电池保护板13。所述电池保护板13上设有电连接所述电芯12的保护电路133。所述电池保护板13叠设于所述伸出部125上。
请一并参照图2及图5，所述电池保护板13设于所述电芯12与所述主板2之间。所述电池保护板13具有沿第二方向相对设置的第一端131和第二端132。所述电池保护板13的第一端131电连接于所述主板2。所述电池保护板13的第二端132靠近所述延伸部21。
请一并参照图2及图5，所述封装部126与所述伸出部125沿第一方向排列。第一方向为Y轴方向。所述伸出部125在第二方向上具有相背设置的第一表面(第一端131的端面)和第二表面(第二端132的端面)。所述第二方向与所述第一方向垂直。第二方向为X轴方向。所述第一表面与所述封装部126的一表面齐平。所述第二表面相对于所述封装部126的另一表面凹陷。所述第二表面与所述封装部126的端面相连接，以形成所述缺口11。
具体的，所述伸出部125相对于所述封装部126在Z轴方向上凹陷，可以理解的，伸出部125的一表面与封装部126的一表面齐平，伸出部125的另一表面相对于封装部126的另一表面凹陷。所述电池保护板13叠设于所述伸出部125的另一表面上，以使电池保护板13的表面与封装部126的另一表面近似平行，以提高电池组件1的平整度。
可以理解的，电池保护板13相对于电芯12而言设有与缺口11相对应的空缺部136，具体参照图5中电池保护板13的第二端132的虚线部分。
通过在电池保护板13上设置与缺口11相对应的空缺部136，主板2的上元件设于缺口11和空缺部136，不会影响电池组件1的电芯12或减少电芯12的容量，仅仅减少电池保护板13的面积，以使电池组件1与主板2之间的结构更加紧凑，提高电子设备100内的空间利用率。通过设置空缺部136位于电 池保护板13远离电连接主板2的一端，以使电池保护板13的电路设于空缺部136的一侧，以使缺口11的设置不会影响电池保护板13上的电路的影响。
进一步地，电池保护板13呈长条形，沿X方向延伸。由于电池保护板13的一端设有空缺部136，所以电池保护板13与空缺部136沿X排布。所述伸出部125呈长条状。电池保护板13与所述伸出部125在Z轴方向上叠加设置，以使电池保护板13对伸出部125产生压力，进而利于伸出部125处的封口密封性。
当电池保护板13设于伸出部125上时，电池保护板13的空缺部136与伸出部125的缺口11相对应。可以理解的，电池保护板13的空缺部136的边缘与伸出部125的缺口11的边缘大致齐平，以使主板2可以伸出至缺口11及空缺部136所在的区域内，进而利用缺口11及空缺部136这一区域的面积，提高电子设备100的内部的结构紧凑性。
具体的，请一并参照图2及图3，主板2、电池保护板13及电池组件1沿Y轴方向排列。电池保护板13在X方向的长度小于主板2在X方向的长度，电池保护板13在X方向的长度小于电池保护板13在X方向的长度。进一步地，电池保护板13的第二端132相对于所述电芯12和所述主板2内缩，以使电池保护板13的第二端132与电池组件1的端面之间形成空缺部136，该空缺部136与电池保护板13沿X轴方向排列。
以电子设备100为手机为例进行说明，所述电池保护板13的第一端131可以为靠近手机左侧边框的一端，也可以为靠近手机右侧边框的一端。本实施例中，以电池保护板13的第一端131为靠近手机左侧边框的一端为例进行说明。
在一实施例中，请一并参照图2至图4，所述延伸部21的第一端211靠近所述电芯12。所述延伸部21的第二端212靠近于所述电池保护板13的第二端132。所述延伸部21的第三端213的端面相对于所述电芯12的端面内缩或与所述电芯12的端面齐平。所述延伸部21的第三端213与所述延伸部21的第二端212相对。
具体的，请一并参照图2至图4，延伸部21设于主板2朝向电池组件1的侧边上。所述延伸部21具有相对设置的第二端212和第三端213。其中， 延伸部21的第二端212和第三端213沿X方向排列。延伸部21的第二端212接近于电池保护板13，延伸部21的第二端212与电池保护板13之间仅仅具有较小的间距，以使延伸部21与电池保护板13之间不会相互干扰。延伸部21的第三端213背离电池保护板13。延伸部21的第三端213的端面可以相对于所述电芯12的端面稍微内缩或与所述电芯12的端面齐平，以使延伸部21不会凸出于电池组件1所占的区域而造成空间浪费。延伸部21的第一端211尽量靠近所述电池组件1，延伸部21的第一端211与电池组件1之间仅仅具有较小的间距，以使延伸部21与电池组件1之间不会相互干扰。
通过设置延伸部21的第二端212尽量靠近所述电池保护板13设置，延伸部21的第一端211尽量靠近所述电池组件1设置及延伸部21的第三端213不超出所述电池组件1的边缘，以使延伸部21尽可能多的占据缺口11和空缺部136的面积，提高电子设备100的紧凑性。
在一实施例中，请一并参照图2及图5，电芯12包括电芯本体121、连接电芯本体121的两个极耳122、123及包覆于所述电芯本体121外周面的封装壳124。两个极耳122、123设于所述电芯本体121靠近所述电池保护板13的一侧。所述封装壳124的部分在所述电芯本体121设有所述两个极耳122、123的端部延伸以形成伸出部125，所述两个极耳122、123从所述伸出部125伸出并电连接于所述电池保护板13。
具体的，电芯本体121为单节或多节串并而成的锂电芯组，两个极耳122、123的一部分设于封装壳124内，另一部分从封装壳124伸出以电连接至电池保护板13。两个极耳122、123分别为电芯12的正负极。其中，所述电池组件1的正极导体和负极导体可以为镍金属片。
具体的，封装壳124包括但不限于不锈钢壳、铝壳或铝塑膜等。对电芯12采用不锈钢壳或铝壳进行封装一般称为硬包装，获得的电池称为硬包电池。硬包封装具有寿命长、制造成本低的特点。对电芯12采用铝塑膜进行封装一般称为软包装，获得的电池称为软包电池。软包电池具有安全性能好、重量轻(软包电池重量较同等容量的钢壳锂电轻40％，较铝壳电池轻20％)、容量大(软包电池较同等规格尺寸的钢壳电池容量高10～15％，较铝壳电池高5～10％)、内阻小、设计灵活的优点。本实施例中的电池采用软包装。当然，对电池进行 硬包封装或软包封装可以根据实际需要进行选择，方法都可以选择现有成熟的封装技术。
具体的，请一并参照图2及图5，两个极耳122、123设于电池组件1靠近主板2的一侧。两个极耳122、123与缺口11设于同一侧且相互错开，以避免缺口11影响两个极耳122、123之间的导通。两个极耳122、123相间隔设置，缺口11可以设于两个极耳122、123的两侧的任意一侧。当缺口11设于两个极耳122、123的一侧时，两个极耳122、123之间的连接走线从两个极耳122、123的另一侧伸出并电连接于主板2上的电源管理芯片。
进一步地，请一并参照图2及图5，当封装壳124在电池组件1靠近主板2的一侧部分朝向主板2延伸，以形成伸出部125。所述两个极耳122、123从所述伸出部125中伸出。伸出部125为电芯本体121上下两侧的铝塑膜相重叠形成的封口处。所述伸出部125在Y轴方向上的尺寸约为2.7mm。所述伸出部125的一端具有相对于所述电芯本体121和所述主板2内缩形成缺口11。该缺口11为伸出部125靠近主板2的边沿朝向背离主板2的方向内缩约1.8mm，且伸出部125的侧面沿X方向内缩11.8～15.8mm形成。
在一实施例中，请一并参照图2及图5，所述缺口11的边缘靠近所述两个极耳122、123中的一个。换而言之，缺口11的边缘靠近于两个极耳122、123中的一个。也就是说，缺口11靠近于极耳设置，以尽可能增大缺口11在X方向上的尺寸，且减少缺口11对于极耳电极及极耳所电连接的电路的影响。
在一实施例中，请一并参照图2及图5，所述电池保护板13包括设置有保护电路133的柔性电路板134。电芯12的两个极耳122、123电连接柔性电路板134。具体的，保护电路133的一部分设于两个极耳122、123之间，保护电路133的另一部分设于两个极耳122、123背离缺口11的一侧。两个极耳122、123从封装壳124中伸出并电连接于柔性电路板134上。进一步地，两个极耳122、123从封装壳124中伸出并通过点焊或锡焊焊接的方式电连接柔性电路板134上不同的焊接区域。
进一步，请一并参照图2及图5，电池保护板13还包括支撑柔性电路板134的支撑板135。柔性电路板134设有保护电路133的一面朝向伸出部125。在两个极耳122、123的焊接区域焊接至柔性电路板134上后，弯折两个极耳 122、123，以使柔性电路板134设有保护电路133的一面设于伸出部125上。支撑板135设于柔性电路板134未设于保护电路133的一侧。进一步地，电池组件1的封装壳124、柔性电路板134及支撑板135之间可以采用胶布粘贴，以加强电池组件1的封装壳124、柔性电路板134及支撑板135之间的牢固性。柔性电路板134的一端伸出支撑板135和胶布，弯折后朝向主板2延伸，以电连接至主板2。
具体的，保护电路133与电子设备100中的电池组件1的充放电回路相连，用于在具备条件时会自动断电。保护电路133包括过充保护电路133、过放保护电路133及短路保护电路133。过充保护电路133在电池组件1充满了就会自动停止充电。过放保护电路133在电池组件1用到了3.2V就会自动停止放电。短路保护电路133在电池组件1不小心短路就会自动断开连接。
所述电池保护板13还包括检流电阻及电池组件1电量计，串联在充放电回路中；电池组件1电量计与检流电阻两端相连，在电池组件1通过充放电回路进行充放电的过程中，电池组件1电量计检测检流电阻的阻抗产生的压降，并根据该压降确定电池组件1的电量。
电池保护板13还可包括温度检测电路，用于检测电池组件1或电池保护板13的温度；电池组件1电量计可以与温度检测电路相连，电池组件1电量计具体可用于：根据温度检测电路检测到的温度，以及温度与这段导线的阻抗的对应关系(该对应关系可以预先存储记录在电池保护板13的存储器中)，确定这段导线在当前温度下的阻抗；根据这段导线在当前温度下的阻抗，检测流过这段导线的电流；根据流过这段导线的电流，确定电池组件1的电量。温度检测电路可以集成在电池组件1电量计中。在一些实施例中，温度检测电路可以与电池组件1电量计分开设置。
在一实施例中，请一并参照图2及图6，所述延伸部21具有相背设置的第一面22和第二面23。所述第一面22朝向所述电子设备100的显示屏3，所述第一面22上设有第一器件221。换而言之，第一器件221设于所述缺口11和空缺部316内。
具体的，主板2具有相背设置的第一面22和第二面23。第一面22朝向显示屏3，所述第一面22上设有基带模块、射频收发模块、射频功放模块及 显示屏3控制模块。进一步地，所述第一器件221包括部分的基带模块222。
通过在电池组件1的一端设置缺口11和空缺部316，主板2的延伸部21设于该缺口11和空缺部316内，在延伸部21的第一面22设置第一器件221，以使第一器件221设于所述缺口11和空缺部316内，有效利用缺口11和空缺部316内的空间，提高电子设备100内部结构的紧凑性。
在一实施例中，请一并参照图2及图6，所述延伸部21的第三端213靠近所述电子设备100的中框。所述第一器件221还包括导电弹片223。所述导电弹片223设于所述基带模块222与所述中框之间，所述导电弹片223用于接通所述中框上的天线、音量键或电源键。
由于延伸部21靠近中框的侧边框，在延伸部21设置导电弹片223，以使中框的侧边框的天线、音量键或电源键通过导电弹片223与主板2接通，合理设计导电弹片223的位置，提高电子设备100内的器件布局的紧凑性，提高电子设备100内的空间利用率。
具体的，所述主板2的第二面23上设有音频解码模块、NFC天线模块、电源管理模块、功率放大模块等。
在一实施例中，请一并参照图2及图7，所述延伸部21的第二面23上设有第二器件。所述第二器件包括板对板电连接器232。
具体的，所述延伸部21呈矩形，所述延伸部21的大小适合在延伸部21上放置30～50PIN的板对板连接器，以充分利用延伸部21上的空间，减小延伸部21上的空间浪费。
在一实施例中，请一并参照图1、图2及图7，所述电子设备100还包括显示屏3。所述显示屏3与所述主板2的第一面22及所述电池组件1相对设置。所述板对板电连接器232包括公座233和母座234。所述公座233设于所述延伸部21的第二面23上。所述母座234为显示屏3的柔性电路板的一端。显示屏3的柔性电路板的另一端电连接所述显示屏3。显示屏3的柔性电路板穿过所述电池组件1与显示屏3之间的间隙并电连接于主板2上的公座233；或者显示屏3的柔性电路板经所述电池组件1背离显示屏3的一侧并电连接于主板2上的公座233。
通过将显示屏3的板对板连接器设于延伸部21上，以充分利用延伸部21 上的空间，减小延伸部21上的空间浪费。
在一实施例中，请一并参照图7，所述电子设备100还包括USB接口4及副板5。所述USB接口4及所述副板5设于所述电池组件1背离所述主板2的一侧。所述板对板电连接器232包括公座233和母座234。所述公座233设于所述延伸部21上。所述母座234为USB接口4或副板5的柔性电路板的一端。所述USB接口4或副板5的柔性电路板的另一端电连接所述USB接口4或所述副板5。
通过将USB接口4或所述副板5的板对板连接器设于延伸部21上，以充分利用延伸部21上的空间，减小延伸部21上的空间浪费。
以上是本申请的部分实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本申请的保护范围。

Claims (20)

  1. 一种电子设备，其特征在于，包括：
    电池组件，所述电池组件具有电芯和封装壳，所述封装壳具有依次连接的封装部和伸出部，所述封装部封装所述电芯，所述伸出部设于所述封装部的一侧，所述伸出部设有缺口；及
    主板，所述主板设于所述伸出部远离所述封装部的一侧，所述主板具有位于所述缺口内的延伸部，所述延伸部上设有至少一个元器件，以使所述至少一个元器件设于所述缺口内。
  2. 如权利要求1所述的电子设备，其特征在于，所述缺口设于所述伸出部的边缘区域或中间区域。
  3. 如权利要求2所述的电子设备，其特征在于，所述封装部与所述伸出部沿第一方向排列，所述伸出部在第二方向上具有相背设置的第一表面和第二表面，所述第二方向与所述第一方向垂直，所述第一表面与所述封装部的一表面齐平，所述第二表面相对于所述封装部的另一表面凹陷，所述第二表面与所述封装部的端面相连接，以形成所述缺口。
  4. 如权利要求3所述的电子设备，其特征在于，所述电池组件还包括电池保护板，所述电池保护板上设有电连接所述电芯的保护电路，所述电池保护板叠设于所述伸出部上。
  5. 如权利要求4所述的电子设备，其特征在于，所述电池保护板在所述伸出部上的正投影区域位于所述伸出部所在的区域内。
  6. 如权利要求4所述的电子设备，其特征在于，所述电池保护板具有沿所述第二方向相对设置的第一端和第二端，所述电池保护板的第一端电连接于所述主板，所述电池保护板的第二端靠近所述延伸部。
  7. 如权利要求6所述的电子设备，其特征在于，所述延伸部的第一端靠近所述电芯，所述延伸部的第二端靠近于所述电池保护板的第二端，所述延伸部的第三端的端面相对于所述电芯的端面内缩或与所述电芯的端面齐平，所述延伸部的第三端与所述延伸部的第二端相对。
  8. 如权利要求7所述的电子设备，其特征在于，所述延伸部具有相背设置 的第一面和第二面，所述第一面朝向所述电子设备的显示屏，所述第一面上设有第一器件。
  9. 如权利要求8所述的电子设备，其特征在于，所述第一器件包括部分的基带模块。
  10. 如权利要求9所述的电子设备，其特征在于，所述延伸部靠近所述电子设备的中框，所述第一器件还包括导电弹片，所述导电弹片设于所述基带模块与所述中框之间，所述导电弹片用于接通所述中框上的天线辐射体、音量键或电源键。
  11. 如权利要求8所述的电子设备，其特征在于，所述第二面上设有第二器件。
  12. 如权利要求11所述的电子设备，其特征在于，所述第二器件包括板对板电连接器。
  13. 如权利要求12所述的电子设备，其特征在于，所述电子设备还包括显示屏，所述显示屏与所述主板的第一面及所述电池相对设置，所述板对板电连接器包括公座和母座，所述公座设于所述延伸部上，所述母座为柔性电路板的一端，所述柔性电路板的另一端电连接所述显示屏。
  14. 如权利要求12所述的电子设备，其特征在于，所述电子设备还包括USB接口，所述USB接口设于所述电池背离所述主板的一侧，所述板对板电连接器包括公座和母座，所述公座设于所述延伸部上，所述母座为柔性电路板的一端，所述柔性电路板的另一端电连接所述USB接口。
  15. 如权利要求12所述的电子设备，其特征在于，所述电子设备还包括副板，所述副板设于所述电池背离所述主板的一侧，所述板对板电连接器包括公座和母座，所述公座设于所述延伸部上，所述母座为柔性电路板的一端，所述柔性电路板的另一端电连接所述副板。
  16. 如权利要求4～15任意一项所述的电子设备，其特征在于，所述电池组件还包括电芯本体及电连接所述电芯本体的两个极耳，所述两个极耳从所述伸出部伸出并电连接于所述电池保护板。
  17. 如权利要求16所述的电子设备，其特征在于，所述两个极耳设于所述电池组件靠近所述主板的一侧，所述两个极耳与所述缺口设于同一侧且相互错 开。
  18. 如权利要求16所述的电子设备，其特征在于，所述缺口的边缘靠近所述两个极耳中的一个。
  19. 如权利要求16所述的电子设备，其特征在于，所述电池保护板还包括柔性电路板，所述保护电路设于所述柔性电路板上，所述两个极耳电连接所述柔性电路板，所述保护电路的一部分设于所述两个极耳之间，所述保护电路的另一部分设于所述两个极耳远离所述缺口的一侧。
  20. 如权利要求19所述的电子设备，其特征在于，所述电池保护板还包括支撑板，所述支撑板用于支撑所述柔性电路板。
PCT/CN2020/095866 2019-06-26 2020-06-12 电子设备 WO2020259322A1 (zh)

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