Terminal device

The metal cover plate is laser welding and fixedly connected to the back of the display screen to form a packaging structure, which solves the problem of large battery components, realizes the lightweight design of the terminal equipment, and reduces the overall volume and weight.

CN222233766UActive Publication Date: 2024-12-24BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Patent Information

Application Number
CN202323599339.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-27
Publication Date
2024-12-24
Estimated Expiration
2033-12-27

AI Technical Summary

Technical Problem

The battery components in existing terminal devices are large in size, resulting in an increase in overall volume and weight.

Method used

The metal cover plate is used to fix the back of the display screen by laser welding to form a housing cavity to encapsulate the battery cell, avoiding the use of double-sided adhesive to fix the steel shell battery, thereby reducing the thickness and volume of the terminal equipment.

Benefits of technology

It effectively reduces the overall volume and weight of the terminal equipment, and improves the compactness and stability of the packaging structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses terminal equipment, and belongs to the technical field of terminals. The terminal equipment comprises a display screen, a metal cover plate and a battery cell. The edge part of the metal cover plate and the back surface of the display screen can be fixedly connected together through laser welding, so that after the metal cover plate and the display screen are fixedly connected together, the metal cover plate and the display screen can jointly form a packaging structure for packaging the battery cell, and after the battery cell is packaged by the packaging structure, the battery cell can be conveniently packaged. And the steel shell battery assembled in the terminal equipment can be obtained. As the metal cover plate is directly and fixedly connected with the back surface of the display screen, the steel shell battery does not need to be additionally fixed by using a double faced adhesive tape. In this way, the size of the terminal device in the thickness direction can be effectively reduced, and therefore the overall size and weight of the terminal device can be effectively reduced.
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Description

Technical Field

[0001] The present application relates to the field of terminal technology, and in particular to a terminal device. Background Art

[0002] With the rapid development of terminal technology, mobile phones, tablets, laptops and other terminal devices are becoming more and more popular in people's lives. The thinness of terminal devices has increasingly stringent requirements on the built-in components of terminal devices. As an important component that provides power for the operation of terminal devices, the thinness of battery components is directly related to the volume of the terminal devices.

[0003] A battery assembly generally includes: a packaging shell (such as a steel shell), and a battery cell installed in the packaging shell. The battery cell provides electrical energy to the battery assembly, and the packaging shell is used to protect the battery cell.

[0004] However, the battery components commonly used at present are relatively large in size, resulting in a relatively large overall size of the terminal device integrated with the battery components. Utility Model Content

[0005] The embodiment of the present application provides a terminal device, which can solve the problem of large battery assembly volume in the terminal device of the prior art. The technical solution is as follows:

[0006] A terminal device is provided, comprising:

[0007] Display screen;

[0008] A metal cover plate located on the back of the display screen, wherein an edge portion of the metal cover plate is fixedly connected to the back of the display screen, and the metal cover plate and the back of the display screen are used to form a receiving cavity;

[0009] And, a battery cell located in the accommodating cavity.

[0010] Optionally, the metal cover plate includes: a cover plate body, and an annular connecting plate fixedly connected to an edge of the cover plate body, wherein the connecting plate is used to be fixedly connected to the back side of the display screen.

[0011] Optionally, the cover plate body comprises: a first cover plate arranged parallel to the back surface of the display screen, and an annular second cover plate fixedly connected to the edge of the first cover plate;

[0012] Among them, the annular surface where the second cover plate is located intersects with the plane where the first cover plate is located, and the second cover plate and the first cover plate are used to enclose the accommodating cavity, the side of the second cover plate facing away from the first cover plate is fixedly connected to the connecting plate, and the connecting plate is distributed outside the accommodating cavity.

[0013] Optionally, the annular surface where the second cover plate is located is perpendicular to the plane where the first cover plate is located.

[0014] Optionally, the width of the connecting plate ranges from 3.5 mm to 4.5 mm.

[0015] Optionally, the battery cell is arranged in contact with the back surface of the display screen in the accommodating cavity, and / or the battery cell is arranged in contact with the inner surface of the metal cover plate in the accommodating cavity.

[0016] Optionally, the display screen includes: a backlight module, and a liquid crystal display panel connected to the light emitting side of the backlight module, and the metal cover plate is fixedly connected to a side of the backlight module facing away from the liquid crystal display panel.

[0017] Optionally, the terminal device also includes: a frame, and a battery cover connected to one side of the frame, the side of the frame facing away from the battery cover is connected to the display screen, and the metal cover plate and the battery cells are distributed in a carrying space surrounded by the frame, the battery cover and the display screen.

[0018] Optionally, the frame includes: an annular side plate, and a bottom plate connected to one side of the side plate, and a side of the side plate facing away from the bottom plate is connected to the battery cover;

[0019] Wherein, the bottom plate has an avoidance groove corresponding to the metal cover plate, and the metal cover plate passes through the avoidance groove and is fixedly connected to the back side of the display screen.

[0020] Optionally, the terminal device further includes: a mainboard located in the bearing space;

[0021] The metal cover plate has a first mounting hole and a second mounting hole;

[0022] The battery cell has a first pole lug and a second pole lug, the first pole lug passes through the first mounting hole and is electrically connected to the mainboard, and the second pole lug passes through the second mounting hole and is electrically connected to the mainboard.

[0023] The beneficial effects brought by the technical solution provided by the embodiment of the present application include at least:

[0024] A terminal device includes: a display screen, a metal cover plate and a battery cell. The edge portion of the metal cover plate and the back of the display screen can be fixed together by laser welding. In this way, after the metal cover plate and the display screen are fixedly connected together, the metal cover plate and the display screen can together form a packaging structure for packaging the battery cell. After the battery cell is packaged in the packaging structure, a steel shell battery assembled in the terminal device can be obtained. Since the metal cover plate is directly fixedly connected to the back of the display screen, there is no need to use double-sided tape to fix the steel shell battery. In this way, the size of the terminal device in the thickness direction can be effectively reduced, thereby effectively reducing the overall volume and weight of the terminal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 is a cross-sectional view of a terminal device;

[0027] Figure 2 It is a structural diagram of a terminal device provided in an embodiment of the present application;

[0028] Figure 3 is a cross-sectional view of a metal cover plate provided in an embodiment of the present application;

[0029] Figure 4 is a schematic diagram of the structure of another terminal device provided in an embodiment of the present application;

[0030] Figure 5 is a structural diagram of another terminal device provided in an embodiment of the present application;

[0031] Figure 6 is a structural schematic diagram of a terminal device provided by another embodiment of the present application;

[0032] Figure 7 is a schematic diagram of the structure of another terminal device provided by another embodiment of the present application;

[0033] Figure 8 It is an exploded diagram of a terminal device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0034] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0035] Please refer to Figure 1 , Figure 1 The terminal device 00 may include: a battery cell 01 , a steel shell 02 , a screen 03 and a housing 04 .

[0036] One side of the housing 04 in the terminal device 00 may be connected to the screen 03 , and the housing 04 may have a receiving cavity.

[0037] The steel shell 02 in the terminal device 00 can be located in the accommodating cavity of the shell 04. Among them, the steel shell 02 in the terminal device 00 can have a sealed accommodating space P, and the battery cell 01 in the terminal device 00 can be located in the accommodating space P of the steel shell 02. In this way, the battery cell 01 can be encapsulated by the steel shell 02 to form a steel shell battery. After the battery cell 01 is encapsulated by the steel shell 02, the steel shell 02 in the terminal device 00 can be connected to the back of the screen 03 in the accommodating space of the shell 04. For example, the steel shell 02 and the back of the screen 03 can be fixed together by double-sided tape 05, so as to achieve the fixation of the steel shell battery.

[0038] However, since the steel shell battery and the screen 03 need to be fixed by double-sided tape 05, the terminal device 00 integrated with the steel shell battery is thicker in the thickness direction, resulting in a larger overall volume and weight of the terminal device integrated with the steel shell battery.

[0039] The present application embodiment provides a terminal device. To more clearly understand the structure of the terminal device, please refer to Figure 2 , Figure 2 1 is a schematic diagram of a terminal device provided in an embodiment of the present application. The terminal device may be a mobile phone, a tablet computer, a smart TV, etc. The terminal device 000 may include: a display screen 100, a metal cover plate 200 and a battery cell 300.

[0040] The metal cover plate 200 in the terminal device 000 may be located on the back of the display screen 100. Here, the back of the display screen 100 refers to: a side of the display screen 100 that is arranged opposite to the display surface of the display screen 100. The edge portion of the metal cover plate 200 in the terminal device 000 may be fixedly connected to the back of the display screen 100, and the metal cover plate 200 and the back of the display screen 100 may be used to form a receiving cavity K.

[0041] The battery cell 300 in the terminal device 000 can be located in the accommodation cavity K of the metal cover plate 200. Here, the metal cover plate 200 can also have an opening connected to the accommodation cavity K, and the opening is also located on the side of the metal cover plate 200 facing the display screen 100, and the battery cell 300 can be assembled in the accommodation cavity K of the metal cover plate 200 through the opening. In addition, after the edge portion of the metal cover plate 200 in the terminal device 000 is fixedly connected to the back of the display screen 100, the display screen 100 can seal the accommodation space K of the metal cover plate 200. In this way, the battery cell 100 located in the accommodation space K can be encapsulated to prevent substances in the external environment from entering the accommodation space K to cause damage to the battery cell 100.

[0042] It should be noted that the metal cover plate 200 may be a structure made of steel sheet or aluminum alloy, or may be a structure made of other metals, and the embodiment of the present application does not make any specific limitation on this.

[0043] In an embodiment of the present application, the edge portion of the metal cover plate 200 can be fixedly connected to the back of the display screen 100 by laser welding. In this way, after the metal cover plate 200 and the display screen 100 are fixedly connected together, the metal cover plate 200 and the display screen 100 can together form a packaging structure for packaging the battery cell 300. After the packaging structure packages the battery cell 300, a steel shell battery assembled in the terminal device 000 can be obtained.

[0044] In addition, since the metal cover plate 200 is directly fixedly connected to the back of the display screen 100, there is no need to use double-sided tape to fix the steel shell battery. In this way, the size of the terminal device 000 in the thickness direction can be effectively reduced, thereby effectively reducing the overall volume and weight of the terminal device 000.

[0045] In summary, an embodiment of the present application provides a terminal device, including: a display screen, a metal cover plate and a battery cell. The edge portion of the metal cover plate and the back of the display screen can be fixed together by laser welding. In this way, after the metal cover plate and the display screen are fixedly connected together, the metal cover plate and the display screen can together form a packaging structure for packaging the battery cell. After the battery cell is packaged in the packaging structure, a steel shell battery assembled in the terminal device can be obtained. Since the metal cover plate is directly fixedly connected to the back of the display screen, there is no need to use double-sided tape to fix the steel shell battery. In this way, the size of the terminal device in the thickness direction can be effectively reduced, thereby effectively reducing the overall volume and weight of the terminal device.

[0046] Optional, please refer to Figure 3 , Figure 3The metal cover plate 200 in the terminal device 000 may include: a cover plate body 201 , and an annular connecting plate 202 fixedly connected to the edge of the cover plate body 201 .

[0047] The connection plate 202 in the metal cover plate 200 can be used to be fixedly connected to the back of the display screen 100 in the terminal device 000. In this way, when the edge portion of the metal cover plate 200 is fixedly connected to the back of the display screen 100 by laser welding, the connection plate 202 in the metal cover plate 200 can be directly welded to the back of the display screen 100, so as to achieve a fixed connection between the edge portion of the metal cover plate 200 and the back of the display screen 100.

[0048] In this application, please refer to Figure 3 and Figure 4 , Figure 4 The cover body 201 in the metal cover 200 may include: a first cover 2011 arranged parallel to the back of the display screen, and an annular second cover 2012 fixedly connected to the edge of the first cover 2011 .

[0049] The annular surface where the second cover plate 2012 in the cover plate body 201 is located may intersect with the plane where the first cover plate 2011 is located, and the second cover plate 2012 in the cover plate body 201 may enclose the accommodation cavity K of the metal cover plate 200 with the first cover plate 2011. The side of the second cover plate 2012 in the cover plate body 201 facing away from the first cover plate 2011 may be fixedly connected to the connecting plate 202 in the metal cover plate 200, and the connecting plate 202 may be distributed outside the accommodation space K of the metal cover plate 200.

[0050] In this case, the side of the annular second cover plate 2012 facing away from the first cover plate 2011 can form an opening connected to the accommodating cavity K. Subsequently, the battery cell 300 can be assembled inside the accommodating cavity K through the opening.

[0051] In this application, if Figure 4As shown, the annular surface where the second cover plate 2012 in the cover plate body 201 is located can be perpendicular to the plane where the first cover plate 2011 in the cover plate body 201 is located. Since the first cover plate 2011 in the cover plate body 201 is arranged in parallel with the display screen 100 in the terminal device 000, the annular surface where the second cover plate 2012 in the cover plate body 201 is located can be perpendicular to the back of the display screen 100 in the terminal device 000. It should be noted that the connecting plate 202 fixedly connected to the side of the second cover plate 2012 away from the first cover plate 2011 can also be parallel to the display screen 100 in the terminal device 000. In this way, when the connecting plate 202 in the metal cover plate 200 is welded to the back of the display screen 100 by laser welding, the parallel arrangement of the connecting plate 202 in the metal cover plate 200 and the display screen 100 can make it easier for the staff to weld the contact between the connecting plate 202 and the display screen 100.

[0052] Optional, such as Figure 4 As shown, the width D1 of the connecting plate 202 in the metal cover plate 200 can range from 3.5 mm to 4.5 mm. It should be noted that the width D1 of the connecting plate 202 is the optimal width range that the staff can perform welding when the connecting plate 202 and the back of the display screen 100 are welded together by laser welding. When the width of the connecting plate 202 in the metal cover plate 200 is less than 3.5 mm, the welding part where the connecting plate 202 and the back of the display panel 100 are welded together is small, and the reliability of the fixed connection between the metal cover plate 200 and the display screen 100 cannot be guaranteed. When the width of the connecting plate 202 in the metal cover plate 200 is greater than 4.5 mm, the metal cover plate 200 will occupy a larger space, and the overall volume of the terminal device 000 will become larger.

[0053] In the present application, the battery cell 300 in the terminal device 000 can be arranged in contact with the back of the display screen 100 in the accommodating cavity K of the metal cover plate 200, and / or, the battery cell 300 in the terminal device 000 can be arranged in contact with the inner surface of the metal cover plate 200 in the accommodating cavity K of the metal cover plate 200. In this case, the distribution between the metal cover plate 200 and the battery cell 300 can be relatively compact, and the size in the direction perpendicular to the back of the display screen 200 can be small, while ensuring that the volume of the battery cell 300 is relatively large, thereby ensuring that the capacity of the battery cell 300 is relatively large.

[0054] In this application please refer to Figure 5 , Figure 5 The display screen 100 in the terminal device 000 may include: a backlight module 101 and a liquid crystal display panel 102 connected to the light emitting side of the backlight module 101 .

[0055] The metal cover plate 200 in the terminal device 000 can be fixedly connected to the side of the backlight module 101 in the display screen 100 away from the liquid crystal display panel 102. That is, the present application realizes the fixed connection between the edge portion of the metal cover plate 200 and the back side of the display screen 100 by fixedly connecting the connecting plate 202 in the metal cover plate 200 to the side of the backlight module 101 in the display screen 100 away from the liquid crystal display panel 102.

[0056] It should be noted that, since a metal back plate is usually provided on the side of the backlight module 101 away from the liquid crystal display panel 102, in the process of fixing the metal cover plate 200 to the side of the back of the display screen 100 by laser welding, the connecting plate 202 in the metal cover plate 200 can be laser welded with the metal back plate in the backlight module 101 in the display screen 100. Since the thickness of the metal back plate in the backlight module 101 is relatively large, the metal back plate and the connecting plate 202 in the metal cover plate 200 have a higher stability after laser welding.

[0057] Optional, please refer to Figure 6 , Figure 6 000 is a schematic diagram of the structure of a terminal device provided by another embodiment of the present application. The terminal device 000 also includes: a frame 400, and a battery cover 500 connected to one side of the frame 400. The side of the frame 400 in the terminal device 000 that is away from the battery cover 500 can be connected to the display screen 100. The metal cover plate 200 and the battery cell 300 in the terminal device 000 can be evenly distributed in the bearing space S surrounded by the frame 400, the battery cover 500 and the display screen 100.

[0058] In this application, please refer to Figure 7 and Figure 8 , Figure 7 is a schematic diagram of the structure of another terminal device provided by another embodiment of the present application, Figure 84 is an exploded view of a terminal device provided in an embodiment of the present application. The frame 400 in the terminal device 000 may include: an annular side plate 401, and a bottom plate 402 connected to one side of the side plate 401. The side of the side plate 401 in the frame 400 that is away from the bottom plate 402 is connected to the battery cover 500 in the terminal device 000. Among them, the bottom plate 402 in the frame 400 may have an avoidance groove H corresponding to the metal cover plate 200, and the metal cover plate 200 in the terminal device 000 may pass through the avoidance groove H of the frame 400 and be fixedly connected to the back of the display screen 100. In this way, at the position where the metal cover plate 200 is located, the corresponding part of the bottom plate 402 in the frame 400 can be removed to form the avoidance groove H, so that the metal cover plate 200 can be directly fixedly connected to the back of the display screen 100. In this way, the size of the terminal device 000 in the thickness direction is further reduced, so that the volume and weight of the terminal device 000 are small.

[0059] Optional, such as Figure 8 As shown, the terminal device 000 may further include: a mainboard 600 located in the carrying space S. The metal cover plate 200 in the terminal device 000 may have a first mounting hole O1 and a second mounting hole O2. The battery cell 300 in the terminal device 000 may have a first pole ear 301 and a second pole ear 302, and the first pole ear 301 in the battery cell 300 may pass through the first mounting hole O1 of the metal cover plate 200 to be electrically connected to the mainboard 600, and the second pole ear 302 in the battery cell 300 may pass through the second mounting hole O2 to be electrically connected to the mainboard 600.

[0060] It should be noted that if Figure 6 As shown, the terminal device 000 may further include: a protection plate 700, and an insulating tape 800 wrapped on the protection plate 700. The first pole ear 301 and the second pole ear 302 in the battery cell 000 may be respectively passed through the first mounting hole O1 and the second mounting hole O2 to be electrically connected to the protection plate 700, and then the protection plate 700 is electrically connected to the mainboard 600 through the flexible circuit. The insulating tape 800 wrapped on the protection plate 700 in the terminal device 000 can insulate and protect the protection plate 700.

[0061] In summary, an embodiment of the present application provides a terminal device, including: a display screen, a metal cover plate and a battery cell. The edge portion of the metal cover plate and the back of the display screen can be fixed together by laser welding. In this way, after the metal cover plate and the display screen are fixedly connected together, the metal cover plate and the display screen can together form a packaging structure for packaging the battery cell. After the battery cell is packaged in the packaging structure, a steel shell battery assembled in the terminal device can be obtained. Since the metal cover plate is directly fixedly connected to the back of the display screen, there is no need to use double-sided tape to fix the steel shell battery. In this way, the size of the terminal device in the thickness direction can be effectively reduced, thereby effectively reducing the overall volume and weight of the terminal device.

[0062] In the present application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more than two, unless otherwise clearly defined.

[0063] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A terminal device, characterized in that: include: Display screen; A metal cover plate located on the back of the display screen, wherein an edge portion of the metal cover plate is fixedly connected to the back of the display screen, and the metal cover plate and the back of the display screen are used to form a receiving cavity; And, a battery cell located in the accommodating cavity.

2. The terminal device according to claim 1, characterized in that: The metal cover plate comprises: a cover plate body, and an annular connecting plate fixedly connected to the edge of the cover plate body, wherein the connecting plate is used for being fixedly connected to the back side of the display screen.

3. The terminal device according to claim 2, characterized in that: The cover plate body comprises: a first cover plate arranged parallel to the back of the display screen, and an annular second cover plate fixedly connected to the edge of the first cover plate; Among them, the annular surface where the second cover plate is located intersects with the plane where the first cover plate is located, and the second cover plate and the first cover plate are used to enclose the accommodating cavity, the side of the second cover plate facing away from the first cover plate is fixedly connected to the connecting plate, and the connecting plate is distributed outside the accommodating cavity.

4. The terminal device according to claim 3, characterized in that: The annular surface where the second cover plate is located is perpendicular to the plane where the first cover plate is located.

5. The terminal device according to claim 2, characterized in that: The width of the connecting plate ranges from 3.5 mm to 4.5 mm.

6. The terminal device according to any one of claims 1 to 5, characterized in that: The battery cell is disposed in the accommodating cavity in contact with the back surface of the display screen, and / or the battery cell is disposed in the accommodating cavity in contact with the inner surface of the metal cover plate.

7. The terminal device according to any one of claims 1 to 5, characterized in that: The display screen comprises: a backlight module and a liquid crystal display panel connected to the light emitting side of the backlight module, and the metal cover is fixedly connected to a side of the backlight module away from the liquid crystal display panel.

8. The terminal device according to any one of claims 1 to 5, characterized in that: The terminal device also includes: a frame, and a battery cover connected to one side of the frame, the side of the frame facing away from the battery cover is connected to the display screen, and the metal cover plate and the battery cells are distributed in a carrying space surrounded by the frame, the battery cover and the display screen.

9. The terminal device according to claim 8, characterized in that: The frame includes: an annular side plate, and a bottom plate connected to one side of the side plate, and a side of the side plate facing away from the bottom plate is connected to the battery cover; Wherein, the bottom plate has an avoidance groove corresponding to the metal cover plate, and the metal cover plate passes through the avoidance groove and is fixedly connected to the back side of the display screen.

10. The terminal device according to claim 8, characterized in that: The terminal device further includes: a mainboard located in the bearing space; The metal cover plate has a first mounting hole and a second mounting hole; The battery cell has a first pole lug and a second pole lug, the first pole lug passes through the first mounting hole and is electrically connected to the mainboard, and the second pole lug passes through the second mounting hole and is electrically connected to the mainboard.