CN218941667U

CN218941667U - Electronic device and electric connection unit thereof

Info

Publication number: CN218941667U
Application number: CN202223047451.XU
Authority: CN
Inventors: 王年昌; 李国睿; 王彦智; 古峻玮
Original assignee: Quanta Computer Inc
Current assignee: Quanta Computer Inc
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-28
Anticipated expiration: 2032-11-16

Abstract

An electronic device and an electrical connection unit. The electronic device comprises a circuit board, an electric connection unit and a device shell. The electric connection unit is arranged on the circuit board and comprises a conductive column and a unit shell, wherein the conductive column is suitable for moving relative to the unit shell. The device housing covers the circuit board, wherein the conductive posts are electrically connected to the device housing.

Description

Electronic device and electric connection unit thereof

Technical Field

The present utility model relates to an electrical connection unit, and more particularly, to an electrical connection unit suitable for use in an electronic device.

Background

In the future trend of consumer electronic products, the trend of light, thin, short and small gradually is very clear. However, the thinner and smaller the product, the more limited and compact the internal structure and arrangement of electronic components. And because of the densification and complexity of electronic circuits, electromagnetic interference (EMI) and electrostatic discharge (ESD) issues become major design challenges. Even with a corresponding compromise (weakening) of the structural strength of the product to free up sufficient internal space; excess space is also required to indirectly conduct the electronic components to each other. The above problems affect each other, thus causing a problem in designing a product.

Disclosure of Invention

The embodiment of the utility model provides an electronic device for solving the problems of the prior art, which comprises a circuit board, an electric connection unit and a device shell. The electric connection unit is arranged on the circuit board and comprises a conductive column and a unit shell, wherein the conductive column is suitable for moving relative to the unit shell. The device housing covers the circuit board, wherein the conductive posts are electrically connected to the device housing.

In an embodiment, the electrical connection unit further includes an elastic element, and the elastic element applies an elastic force to the conductive post, so that the conductive post abuts against the device housing.

In one embodiment, the circuit board includes a circuit board ground layer, and the unit housing includes at least one pin coupled to the circuit board ground layer.

In an embodiment, the unit housing further includes a bottom cover and a through hole, the conductive post is adapted to pass through the through hole, one end of the elastic element abuts against the bottom cover, and the other end of the elastic element abuts against the conductive post.

In an embodiment, a unit fastening portion is formed on the unit housing, and at least one hook is formed on the device housing, and the hook engages with the unit fastening portion.

In an embodiment, the unit housing includes a housing flange and a housing body, the housing flange is formed on the housing body, and the device housing is formed with at least one hook that engages the housing flange.

In one embodiment, the device housing includes a metal shell.

In one embodiment, the device housing includes a plastic shell and a shell ground layer plated on an inner surface of the plastic shell.

In an embodiment, the electronic device further includes an electronic component disposed on the circuit board, and a partition wall is formed on an inner side of the device housing, and surrounds at least a portion of the electronic component.

In another embodiment, the present utility model provides an electrical connection unit adapted to be disposed on a circuit board. The electric connection unit comprises a unit shell, a conductive column and an elastic element. The unit housing includes a through hole. The conductive post is adapted to pass through the through hole and move relative to the unit housing. One end of the elastic element is abutted against the conductive column and applies an elastic force to the conductive column.

In an embodiment of the utility model, the electrical connection unit is coupled to the circuit board ground layer and the device housing. The grounding area of the circuit board can be extended to the device shell, so that the grounding area can be greatly increased, and the problems of electromagnetic interference (EMI), electrostatic damage (ESD) and the like are effectively relieved. Since the device housing is grounded, the dividing wall on the device housing can separate the electronic components on the circuit board from each other, providing an effect of mitigating electromagnetic interference (EMI). The electric connection unit of the embodiment of the utility model has small volume, simple structure and easy assembly, is suitable for being clamped with the clamping hook on the device shell, and has good practicability and reliability.

Drawings

Fig. 1 shows an exploded view of a part of elements of an electronic device according to an embodiment of the utility model.

Fig. 2 is a perspective view of an electrical connection unit according to an embodiment of the utility model.

Fig. 3 shows an exploded view of an electrical connection unit according to a first embodiment of the utility model.

Fig. 4 is a schematic cross-sectional view of a circuit board according to an embodiment of the utility model.

Fig. 5 shows a connection between an electrical connection unit and a device housing according to an embodiment of the utility model.

Fig. 6 shows a detailed structure of a device case according to an embodiment of the present utility model.

Fig. 7 is an exploded view of an electrical connection unit according to a second embodiment of the present utility model.

Description of the reference numerals

1 Circuit Board

11 circuit board ground layer

12 electronic component

2. 2': electric connection unit

21. 21': conductive column

22. 22': unit housing

221. 221' casing flange

222. 222': housing body

223. 223' pin

224. 224' bottom cover

229. 229' through hole

23. 23': spring element

3 device case

31 hook

32 inner surface

33 dividing wall

Detailed Description

Fig. 1 is an exploded view of a part of an electronic device according to an embodiment of the utility model. Fig. 2 is a perspective view of an electrical connection unit according to an embodiment of the utility model. Referring to fig. 1 and 2, an electronic device E according to an embodiment of the utility model includes a circuit board 1, an electrical connection unit 2, and a device housing 3. The electrical connection unit 2 is disposed on the circuit board 1, wherein the electrical connection unit 2 includes a conductive post 21 and a unit housing 22, and the conductive post 21 is adapted to move relative to the unit housing 22. The device housing 3 covers the circuit board 1, wherein the conductive posts 21 are electrically connected to the device housing 3.

In one embodiment, the electronic device may be a notebook computer. The above disclosure is not intended to limit the present utility model. In another embodiment, the electronic device may be a tablet computer, a mobile phone, or other electronic devices.

Fig. 3 is an exploded view of an electrical connection unit according to a first embodiment of the present utility model. Referring to fig. 1 and 3, in an embodiment, the electrical connection unit further includes an elastic element 23, and the elastic element 23 applies an elastic force to the conductive post 21 so that the conductive post 21 abuts against the device housing 3. The spring element 23 is designed to absorb assembly tolerances, ensuring that the conductive post 21 is sufficiently abutted against the inner surface of the device housing 3.

Fig. 4 is a schematic cross-sectional view of a circuit board according to an embodiment of the utility model. Referring to fig. 2, 3 and 4, in one embodiment, the circuit board 1 includes a circuit board ground layer 11, and the unit housing 22 includes at least one pin 223, and the pin 223 is coupled to the circuit board ground layer 11. In one embodiment, the electrical connection unit 2 may be disposed on the circuit board 1 through a surface mount technology (Surface Mount Technology, SMT), and the number of pins 223 is two.

Referring to fig. 2 and 3, in an embodiment, the unit housing 22 further includes a bottom cover 224 and a through hole 229, the conductive post 21 is adapted to pass through the through hole 229, one end of the elastic element 23 abuts against the bottom cover 24, and the other end of the elastic element 23 abuts against the conductive post 21. In this embodiment, the resilient element 23 may be a compression spring. However, the above disclosure is not limiting. In another embodiment, the elastic element 23 may be a spring plate or other elastic elements.

Fig. 5 shows a connection between the electrical connection unit and the device housing according to an embodiment of the utility model. Referring to fig. 3 and 5, in this embodiment, the unit housing 22 includes a housing flange 221 and a housing body 222, the housing flange 221 is formed on the housing body 222, at least one hook 31 is formed on the device housing 3, and the hook 31 engages with the housing flange 221. In one embodiment, the housing flange 221 may be considered as a unit fastening portion, and the hook 31 engages the unit fastening portion. In this embodiment, two hooks 31 are formed on the device housing 3, and the hooks 31 abut against the lower edge of the housing flange 221. The limiting direction of the hooks 31 is consistent with the extending direction of the conductive column 21. The hooks 31 may be integrally formed on the device housing 3. The above disclosure is not intended to limit the present utility model.

Referring to fig. 3, in an embodiment, the bottom cover 224 may be connected to the housing body 222 by dispensing or welding. In general, the conductive posts 21 are coupled to the unit housing 22, whereby the conductive posts 21 are coupled to the circuit board ground layer 11 through the pins 223. In one embodiment, the conductive posts 21 may directly contact the unit housing 22 or be coupled to the unit housing 22 through the elastic member 23.

Referring to fig. 5, in one embodiment, the device housing 3 comprises a metal shell. In another embodiment, the device housing 3 may include a plastic shell and a shell ground layer (e.g., metal ground layer) plated on an inner surface 32 of the plastic shell. In the embodiment of the utility model, since the electrical connection unit 2 is coupled to the circuit board ground layer 11 and the device housing 3, the ground area can be greatly increased, and the problems of electromagnetic interference (EMI) and electrostatic discharge (ESD) can be effectively alleviated.

FIG. 6 shows a detail of the device housing according to an embodiment of the utility model. Referring to fig. 6, in an embodiment, the electronic device further includes an electronic component 12, the electronic component 12 is disposed on the circuit board 1, a partition wall 33 is formed on the inner side of the device housing 3, and the partition wall 33 surrounds at least part of the electronic component 12. In the embodiment of the present utility model, since the partition wall 33 is of a metal structure (or is plated with a metal ground layer), the partition wall 33 can alleviate the problem of electromagnetic interference (EMI).

In one embodiment, the electronic component 12 may be a wafer, connector, or other electronic component that may create electromagnetic interference (EMI) problems.

Fig. 7 is an exploded view of an electrical connection unit according to a second embodiment of the present utility model. Referring to fig. 7, the electrical connection unit 2 'of the second embodiment of the present utility model includes a conductive post 21' and a unit housing 22 'and an elastic element 23'. The elastic element 23' applies an elastic force to the conductive post 21' so that the conductive post 21' abuts against the device housing. The unit case 22 'includes a case flange 221', a case body 222', at least one pin 223', a bottom cover 224', and a through hole 229', and the case flange 221 'is formed on the case body 222'. The conductive post 21 'is adapted to pass through the through hole 229', one end of the elastic member 23 'abuts against the bottom cover 24', and the other end of the elastic member 23 'abuts against the conductive post 21'. The pins 223' are disposed on the bottom cover 224', and the number of the pins 223' is two.

Referring to fig. 7, in one embodiment, the bottom cover 224 'may be coupled to the housing body 222' by a tight fit, snap fit, glue, welding or locking. In general, the conductive posts 21 'are coupled to the unit housing 22', whereby the conductive posts 21 'are coupled to the circuit board ground layer 11 through the pins 223'. In one embodiment, the conductive posts 21 'may directly contact the unit housing 22', or be coupled to the unit housing 22 'through the elastic member 23'.

Although the present utility model has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications and alterations may be made without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An electronic device, comprising:

a circuit board;

the electric connection unit is arranged on the circuit board and comprises a conductive column and a unit shell, wherein the conductive column is suitable for moving relative to the unit shell; and

and the device shell covers the circuit board, wherein the conductive column is electrically connected with the device shell.

2. The electronic device of claim 1, wherein the electrical connection unit further comprises a spring element, the spring element applying a spring force to the conductive post to make the conductive post abut against the device housing.

3. The electronic device of claim 2, wherein the circuit board comprises a circuit board ground layer, and the unit housing comprises at least one pin coupled to the circuit board ground layer.

4. The electronic device of claim 3, wherein the unit housing further comprises a bottom cover and a through hole, the conductive post is adapted to pass through the through hole, one end of the elastic element is abutted against the bottom cover, and the other end of the elastic element is abutted against the conductive post.

5. The electronic device of claim 4, wherein a unit fastening portion is formed on the unit housing, and at least one hook is formed on the device housing, the hook engaging the unit fastening portion.

6. The electronic device of claim 4, wherein the unit housing comprises a housing flange and a housing body, the housing flange is formed on the housing body, the device housing is formed with at least one hook, and the hook engages the housing flange.

7. The electronic device of claim 1, wherein the device housing comprises a metal shell.

8. The electronic device of claim 1, wherein the device housing comprises a plastic housing and a housing ground layer, the housing ground layer being plated on an inner surface of the plastic housing.

9. The electronic device of claim 1, further comprising an electronic component disposed on the circuit board, wherein a separation wall is formed on an inner side of the device housing, the separation wall surrounding at least a portion of the electronic component.

10. An electrical connection unit adapted to be disposed on a circuit board, comprising:

a unit housing including a through hole;

a conductive post, wherein the conductive post is adapted to pass through the through hole and move relative to the unit housing; and

and one end of the elastic element is abutted against the conductive column and applies an elastic force to the conductive column.