WO2018161805A1

WO2018161805A1 - Mobile terminal

Info

Publication number: WO2018161805A1
Application number: PCT/CN2018/077039
Authority: WO
Inventors: 庄小利; 郑晓东
Original assignee: 广东欧珀移动通信有限公司
Priority date: 2017-03-06
Filing date: 2018-02-23
Publication date: 2018-09-13
Also published as: CN107071098A

Abstract

Disclosed are a mobile terminal, comprising a metal shell, an electronic module and an insulating piece, wherein the electronic module is located on an inner side of the metal shell, and the insulating piece is located between the electronic module and the metal shell, so as to realise electric isolation between the metal shell and a metal housing of the electronic module. The mobile terminal in the present application can prevent the harm of electric shock.

Description

Mobile terminal

Technical field

The present application relates to the field of communications equipment technologies, and in particular, to a mobile terminal.

Background technique

The back cover of the existing mobile phone is mostly made of metal to obtain a metallic appearance. However, if the mobile phone motherboard is connected to a charger with excessive leakage current, dangerous voltage may be transmitted to the metal casing of the mobile phone through the internal electronic module of the mobile phone, thereby causing electric shock to the user holding the metal casing of the mobile phone.

Summary of the invention

The technical problem to be solved by the present application is to provide a mobile terminal that prevents electric shock damage.

In order to achieve the above object, the implementation of the present application adopts the following technical solutions:

In one aspect, a mobile terminal includes a metal case, an electronic module, and an insulating member, the electronic module is located inside the metal case, and the insulating member is disposed on the electronic module and the metal case To achieve electrical isolation between the metal casing and the metal casing of the electronic module.

In another aspect, a mobile terminal includes a metal casing, an upper cover, an electronic module, and an insulating member, the upper cover and the metal casing are opposite to the casing, and the electronic module is pressed against the upper cover The insulating member is disposed between the electronic module and the metal casing to electrically isolate the metal casing from the metal casing of the electronic module.

DRAWINGS

In order to more clearly illustrate the technical solutions of the present application, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, which are common in the art. For the skilled person, other drawings can be obtained as shown in these drawings without any creative work.

FIG. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.

2 is a partially exploded view of the mobile terminal shown in FIG. 1.

3 is a schematic view showing the cooperation structure of the motor module of the mobile terminal shown in FIG. 1 and the first insulating member.

Figure 4 is a cross-sectional view showing a portion of the structure at IV-IV of Figure 1.

FIG. 5 is a schematic diagram of a mating structure of a radio frequency connector module and a second insulating member of the mobile terminal shown in FIG. 1. FIG.

Figure 6 is a cross-sectional view showing a portion of the structure at VI-VI of Figure 1.

FIG. 7 is a schematic view showing the cooperation structure of the camera module of the mobile terminal shown in FIG. 1 and the third insulating member and the insulating plate.

Figure 8 is a cross-sectional view showing a portion of the structure at VIII-VIII in Figure 1.

detailed description

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

Referring to FIG. 1 , an embodiment of the present application provides a mobile terminal 100, which may be an electronic device such as a mobile phone, a notebook computer, or a tablet computer.

Referring to FIG. 1 to FIG. 8 , the mobile terminal 100 includes a metal casing 1 , an electronic module 2 , and an insulating member ( 41 , 42 , 43 ) , and the electronic module 2 is located inside the metal casing 1 . The insulating member is disposed between the electronic module 2 and the metal casing 1 to achieve electrical isolation between the metal casing 1 and the metal casing of the electronic module 2.

In this embodiment, since the insulating member is disposed between the electronic module 2 of the mobile terminal 100 and the metal casing 1, the insulating member can realize the metal shell of the electronic module 2 Electrical insulation between the body and the metal casing 1 , dangerous voltage on the metal casing of the electronic module 2 is not transmitted to the metal casing 1 , thereby effectively preventing electric shock damage and improving the mobile terminal 100 security.

It can be understood that the inner side of the metal casing 1 refers to the side of the metal casing 1 facing away from the user, and when the user uses the mobile terminal 100, it does not directly touch the inner side of the metal casing 1. The metal casing 1 may include a metal back cover and/or a metal middle frame. The insulating member satisfies an insulation requirement of an insulation resistance of 100 M ohms (Ω) or more at a direct current (DC) 500 V or an alternating current (AC) 264 V.

As an alternative embodiment, the insulating member has a thin plate shape. The insulating member of the thin plate shape can well match the shape of the metal casing of the electronic module 2 and the shape of the metal casing 1, and occupy a small space in the thickness direction of the insulating member, thus The insulating member can be disposed between the electronic module 2 and the metal casing 1 well.

It can be understood that an object surrounded by two opposite plate faces which are substantially parallel and a side surface connected between the two opposite plate faces is called a plate, and if the thickness of the plate is much smaller than the minimum size of the plate face, it is called sheet. In the embodiment of the present application, the insulating member may be a thin plate in a planar shape, or may be a thin plate having a curved shape, or a thin plate of other shapes. In other words, the insulating member may be a thin plate of various shapes.

Optionally, the insulating member is made of an elastic material, so that the insulating member can be deformed. At this time, the insulating member can achieve electrical insulation between the metal shell of the electronic module 2 and the metal shell 1 , and can also expand between the electronic module 2 and the metal shell 1 . The matching gap range reduces the assembly difficulty of the mobile terminal 100.

In one embodiment, the insulating member is made of a plastic material or a rubber material, and the insulating member has a thickness of 0.1 mm or more, so that the insulating member can satisfy an insulation resistance of 100 M ohm or more at a direct current of 500 V or an alternating current of 264 V. Insulation requirements.

In another embodiment, the insulating member is attached to the electronic module 2 by a adhesive. The insulating member is made of polyethylene terephthalate (PET) or polyurethane (PU) and has a thickness of 0.07 mm or more, and the thickness of the backing is 0.03 mm or more. The insulating member can meet the insulation requirement of 100M ohms or higher at 500V DC or 264V AC.

Optionally, the insulating member may be first fixed to the electronic module 2 and then fixed to the metal casing 1 together with the electronic module 2 to reduce the assembly difficulty of the mobile terminal 100.

Please refer to FIG. 1 , FIG. 2 , FIG. 4 , FIG. 6 and FIG. 8 . As an optional embodiment, the mobile terminal 100 further includes an upper cover 3 and a display screen 7 . The upper cover 3 and the metal casing 1 are paired with a box. The upper cover 3 and the metal casing 1 pair of boxes mean that the upper cover 3 is aligned with the metal casing 1 to form a casing-like shape, and the casing body forms a receiving space 10, the electronic body The module 2 is housed in the accommodating space 10. The display screen 7 is mounted on a side of the upper cover 3 facing away from the metal casing 1, and the display screen 7 is used for screen display. The upper cover 3 may be a frame structure or a cover structure.

Referring to FIG. 1 to FIG. 4 , as an alternative embodiment, the electronic module 2 includes a motor module 21 . The motor module 21 is received in the accommodating space 10 for causing the mobile terminal 100 to generate a vibration effect. The motor module 21 includes a motor 211 having a metal housing, and the insulating member includes a first insulating member 41 disposed between the motor 211 and the metal casing 1. The first insulating member 41 can realize electrical insulation between the metal casing of the motor 211 and the metal casing 1, and a dangerous voltage on the metal casing of the motor 211 is not transmitted to the metal casing 1 Therefore, it is possible to effectively prevent the occurrence of electric shock and improve the safety of the mobile terminal 100.

Optionally, the motor module 21 further includes a motor pressing plate 212 disposed between the motor 211 and the first insulating member 41, and the motor pressing plate 212 is coupled to the upper cover 3 to The motor 211 is pressed. At this time, the upper cover 3 may form a fixing bracket 31 that can be used to fix the motor 211.

Further, the first insulating member 41 is attached to the motor pressing plate 212. The bonding connections may be fixedly attached to each other or may be in abutting contact with each other. In an embodiment, the first insulating member 41 completely covers the motor pressing plate 212 and is fixed to the motor pressing plate 212, so that the first one can be avoided during the movement of the mobile terminal 100. The insulation member 41 is misaligned or detached, causing the mobile terminal 100 to generate electric shock, which improves the safety of the mobile terminal 100. At this time, the first insulating member 41 has a flat thin plate shape.

Optionally, the motor module 21 further includes a cushion 213. The cushion 213 is located between the motor 211 and the upper cover 3. The cushion 213 can buffer the force between the motor 211 and the upper cover 3.

Referring to FIG. 1 , FIG. 2 , FIG. 5 and FIG. 6 , as an alternative embodiment, the mobile terminal 100 further includes a motherboard 5 , the motherboard 5 is located inside the metal casing 1 , and the motherboard 5 is accommodated in the accommodating space 10. The main board 5 can be used to carry various functional devices and circuits of the mobile terminal 100. The electronic module 2 includes a radio frequency connector module 22, and the radio frequency connector module 22 can be used to connect an antenna of the mobile terminal 100 with the main board 5, so that the antenna of the mobile terminal 100 can be independent of the main board position. Restricted, and can be arranged in various positions of the mobile terminal according to specific needs. The RF connector module 22 includes a first connector 221 and a second connector 222 having a metal housing. The first connector 221 is fixed on the main board 5, and the second connector 222 is docked. The first connector 221 is described. The insulating member includes a second insulating member 42 disposed between the second connector 222 and the metal casing 1. The second insulating member 42 can electrically insulate between the metal shell of the second connector 222 and the metal shell 1 , and the dangerous voltage on the metal shell of the second connector 222 is not transmitted. To the metal casing 1, the electric shock damage can be effectively prevented, and the safety of the mobile terminal 100 can be improved.

Optionally, the RF connector module 22 further includes a cushion 223 disposed between the second connector 222 and the second insulator 42. The pad 223 is connected between the second connector 222 and the second insulating member 42 to increase the contact area between the second connector 222 and the second insulating member 42. The risk of the second insulating member 42 being detached from the second connector 222 and the metal casing 1 is increased to improve the safety of the mobile terminal 100. At the same time, the cushion 223 can also expand the range of the matching gap between the RF connector and the metal casing 1 to reduce the assembly difficulty of the mobile terminal 100.

Further, the second insulating member 42 is attached to the pad 223. The bonding connections may be fixedly attached to each other or may be in abutting contact with each other. In an embodiment, the second insulating member 42 completely covers the cushion 223 and is fixed to the cushion 223, so that the second can be avoided during the movement of the mobile terminal 100. The insulation member 42 is misaligned or detached, causing the mobile terminal 100 to generate electric shock, which improves the safety of the mobile terminal 100. At this time, the second insulating member 42 has a flat thin plate shape.

Please refer to FIG. 1 , FIG. 2 , FIG. 7 and FIG. 8 . As an alternative embodiment, the electronic module 2 includes a camera module 23 , and the camera module 23 is received in the receiving space 10 . The camera module 23 includes a camera 231 having a metal housing. The metal casing 1 is provided with a through hole in a region of the camera 231, and the camera 231 collects ambient light through the through hole, thereby realizing a photographing or photographing function. The insulating member includes a third insulating member 43 disposed between the camera 231 and the metal casing 1. The third insulating member 43 can realize electrical insulation between the metal casing of the camera 231 and the metal casing 1 , and dangerous voltage on the metal casing of the camera 231 is not transmitted to the metal casing 1 Therefore, it is possible to effectively prevent the occurrence of electric shock and improve the safety of the mobile terminal 100.

Optionally, the third insulating member 43 includes a top plate 431 and a side plate 432 disposed between the collecting surface 2311 of the camera 231 and the metal casing 1, and the side plate 432 is disposed at the The peripheral side surface 2312 of the camera 231 is interposed between the metal casing 1. At this time, the metal casing 1 is formed with a mounting groove 11 between the bottom wall 111 of the mounting groove 11 and the collecting surface 2311 of the camera 231, and the side plate 432 is located in the mounting groove 11 The side wall 112 is between the side wall 112 and the peripheral side surface 2312 of the camera 231. The collecting surface 2311 of the camera 231 refers to a surface on which the external light is collected by the imaging image, and the peripheral side surface 2312 of the camera 231 is disposed around the collecting surface 2311 of the camera 231.

In an embodiment, the top plate 431 and the side plate 432 may be integrally formed or assembled by assembly, so that the third insulating member 43 is substantially in the shape of a box having an opening, so that the camera 231 can be improved. Insulation reliability between the metal casing and the metal casing 1.

Optionally, the mobile terminal 100 further includes an insulating plate 6 disposed between the camera 231 and the upper cover 3. The insulating plate 6 is a flat plate, and the insulating plate 6 has the same material and thickness as the top plate 431. At this time, the upper cover 3 may be made of a metal material. Of course, in other embodiments, the upper cover 3 may be made of a plastic material or a plastic material.

It should be understood that the mobile terminal 100 in this embodiment may include any one or more of the motor module 21, the radio frequency connector module 22, or the camera module 23, and the mobile terminal 100 further Other electronic modules may be included, such as fingerprint modules, speakers, and the like. The position of the electronic module 2 can be arranged in different areas in the receiving space 10 according to specific requirements. For example, the RF connector module 22 and the camera module 23 can be spaced apart from the receiving area. In the region of the upper end of the space 10, the motor module 21 can be arranged in an area close to the lower end of the receiving space 10. The first insulating member 41, the second insulating member 42, and the third insulating member 43 all satisfy the insulation requirements of the insulating member, such as materials, dimensions, and the like.

The embodiments of the present application have been described in detail above. The principles and implementations of the present application are described in the specific examples. The description of the above embodiments is only used to help understand the method and core ideas of the present application. A person skilled in the art will have a change in the specific embodiments and the scope of the application according to the idea of the present application. In summary, the content of the present specification should not be construed as limiting the present application.

Claims

A mobile terminal is characterized in that it comprises a metal casing, an electronic module and an insulating member, the electronic module is located inside the metal casing, and the insulating member is disposed on the electronic module and the metal casing To achieve electrical isolation between the metal casing and the metal casing of the electronic module.
A mobile terminal according to claim 1, wherein said insulating member has a thin plate shape.
The mobile terminal according to claim 2, wherein the insulating member is made of a plastic material or a rubber material, and the insulating member has a thickness of 0.1 mm or more.
The mobile terminal according to claim 2, wherein the insulating member is attached to the electronic module by a adhesive, and the insulating member is made of polyethylene terephthalate or polyurethane material and has a thickness. The thickness of the adhesive is greater than or equal to 0.03 mm.
The mobile terminal according to any one of claims 1 to 4, wherein the electronic module comprises a motor module, the motor module comprises a motor having a metal housing, and the insulating member comprises a housing A first insulating member between the motor and the metal casing.
The mobile terminal according to claim 5, wherein the mobile terminal further comprises an upper cover, the upper cover and the metal casing pair, the motor module further comprises a motor pressure plate, and the motor pressure plate is arranged Between the motor and the first insulating member, the motor pressure plate cooperates with the upper cover to press the motor.
The mobile terminal of claim 6, wherein the upper cover forms a fixing bracket for fixing the motor.
A mobile terminal according to claim 6, wherein said first insulating member is attached to said motor pressure plate.
The mobile terminal of claim 8, wherein the first insulating member completely covers the motor pressing plate and is fixed to the motor pressing plate.
The mobile terminal of claim 6, wherein the motor module further comprises a cushion, the cushion being located between the motor and the upper cover.
The mobile terminal according to any one of claims 1 to 4, wherein the mobile terminal further comprises a main board, the main board is located inside the metal casing, and the electronic module comprises a radio frequency connector module. The RF connector module includes a first connector and a second connector having a metal housing, the first connector is fixed on the main board, and the second connector is connected to the first connector. The insulating member includes a second insulating member disposed between the second connector and the metal casing.
The mobile terminal of claim 11, wherein the RF connector module further comprises a cushion, the cushion being disposed between the second connector and the second insulator.
A mobile terminal according to claim 12, wherein said second insulating member is attached to said cushion.
The mobile terminal according to any one of claims 1 to 4, wherein the electronic module comprises a camera module, the camera module comprises a camera having a metal casing, and the insulating member comprises a camera. a third insulating member between the camera and the metal casing.
The mobile terminal of claim 14, wherein the third insulating member comprises a top plate and a side plate, the top plate being disposed between the collecting surface of the camera and the metal casing, the side plate setting Between the peripheral side of the camera and the metal casing.
The mobile terminal of claim 14, wherein the mobile terminal further comprises an insulating plate, the insulating plate being disposed between the camera and the upper cover.
A mobile terminal, comprising: a metal casing, an upper cover, an electronic module, and an insulating member, wherein the upper cover and the metal casing are opposite to the casing, and the electronic module is pressed against the upper cover and the Between the metal casings, the insulating member is disposed between the electronic module and the metal casing to achieve electrical isolation between the metal casing and the metal casing of the electronic module.
A mobile terminal according to claim 17, wherein said electronic module comprises a motor having a metal casing, said insulating member comprising a first insulating member disposed between said motor and said metal casing, The mobile terminal further includes a cushion disposed between the motor and the upper cover.
The mobile terminal according to claim 17, wherein the mobile terminal further comprises a main board, the main board is fixed on a side of the upper cover facing the metal casing, and the electronic module further comprises a metal shell a first connector and a second connector, the first connector is fixed on the main board, the second connector is butted to the first connector, and the insulating member is disposed on the second a second insulating member between the connector and the metal casing.
The mobile terminal of claim 17, wherein the electronic module further comprises a camera having a metal housing, the insulating member comprising a third insulating member disposed between the camera and the metal housing The mobile terminal further includes an insulating plate disposed between the camera and the upper cover.