CN211720831U - Electronic equipment - Google Patents
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- CN211720831U CN211720831U CN202020807683.2U CN202020807683U CN211720831U CN 211720831 U CN211720831 U CN 211720831U CN 202020807683 U CN202020807683 U CN 202020807683U CN 211720831 U CN211720831 U CN 211720831U
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- circuit board
- antenna
- tip
- electronic device
- conductive area
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Abstract
The utility model provides an electronic equipment, include: an antenna; the circuit board is provided with a grounded conductive area; the antenna elastic sheet is connected with the antenna and arranged on the circuit board, the antenna elastic sheet comprises a tip, the orthographic projection of the tip on the circuit board is at least partially overlapped with the conductive area, and a preset spacing distance is reserved between the tip and the conductive area. The above technical scheme of the utility model, can discharge to the static on the circuit in the electronic equipment through most advanced and the relative position relation of electrically conductive region, not only practice thrift the overall arrangement space, can also improve electronic equipment's stability.
Description
Technical Field
The utility model relates to the field of communication technology, in particular to electronic equipment.
Background
With the popularization of 5G technology, more and more antennas are arranged on electronic equipment, and the electrostatic protection is more and more important. If the protection is not good, the interference generated by the esd current affects the sensitive traces of the PCB (Printed Circuit boards), the Flexible Printed Circuit (FPC) or the internal sensitive Circuit of the module, which may cause soft or even hard failures, so the device needs to be protected from the esd, and especially, the antenna and some sensors share the metal middle frame on the electronic device, so the protection of the static is more urgent.
At present, the protection of an antenna end is carried out by adding an Electro-static discharge (ESD) ceramic element in the prior art; because of the particularity of the antenna area, harmonic interference can be generated by using an ESD device in a common semiconductor process, and the requirement of the antenna cannot be met; compared with common semiconductor process devices, the ESD ceramic element used in the prior art has higher cost, and additionally, newly added devices also occupy the layout space of a PCB. In addition, the conventional ESD ceramic element gradually decreases in ESD resistance as the number of times of ESD strikes increases.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an electronic equipment to solve prior art and carry out the component of electrostatic protection and occupy PCB overall arrangement space and the more weak problem of stability.
In order to solve the technical problem, the utility model discloses a realize like this:
an embodiment of the utility model provides an electronic equipment, include:
an antenna;
the circuit board is provided with a grounded conductive area;
the antenna elastic sheet is connected with the antenna and arranged on the circuit board, the antenna elastic sheet comprises a tip, the orthographic projection of the tip on the circuit board is at least partially overlapped with the conductive area, and a preset spacing distance is reserved between the tip and the conductive area.
Thus, the above technical scheme of the utility model, be provided with the electrically conductive region of ground connection on the circuit board, the antenna shell fragment set up in on the circuit board to with antenna connection, the antenna shell fragment includes most advanced, most advanced be in orthographic projection on the circuit board at least part with electrically conductive region coincidence, just most advanced with preset spacing distance has between the electrically conductive region, can discharge through most advanced and electrically conductive regional relative position relation the static on the circuit in the electronic equipment, not only practice thrift the overall arrangement space, can also improve electronic equipment's stability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 shows a side view of an electronic device of the present invention;
fig. 2 is a plan view of the electronic device of the present invention;
fig. 3 is a schematic structural diagram of the electronic device of the present invention;
fig. 4 shows a schematic diagram of the tip principle of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1 to 4, an embodiment of the present invention provides an electronic device, including:
an antenna 6;
the circuit board 5 is provided with a grounded conductive area 1;
the antenna spring plate is connected with the antenna 6 and arranged on the circuit board 5, the antenna spring plate comprises a tip 8, the orthographic projection of the tip 8 on the circuit board 5 is at least partially overlapped with the conductive area 1, and a preset spacing distance is reserved between the tip 8 and the conductive area 1.
Specifically, the orthographic projection of the tip 8 on the circuit board 5 at least partially coincides with the conductive area 1, and includes: the orthographic projection of the tip 8 on the circuit board 5 is totally coincided with the conductive area 1, or one part of the orthographic projection of the tip 8 on the circuit board 5 is coincided with the conductive area 1; it can also be understood that the projection of the tip 8 in the first direction coincides with the projection of the circuit board 5 in the first direction, or a part of the projection of the tip 8 in the first direction coincides with the projection of the circuit board 5 in the first direction; the first direction is perpendicular to the surface of the circuit board 5 close to the antenna spring.
It should be noted that the preset distance between the tip 8 and the conductive area 1 may be adjusted according to the need, and is not limited specifically. The circuit board 5 may also be a PCB, and is not particularly limited herein.
The electrostatic discharge principle of the tip 8 is described in detail below:
as shown in fig. 4, when a charge (e.g., a positive charge) is on the surface of the metal, the charge is mainly distributed at the end points according to the characteristics of the electric field near the surface of the tip 8. Second, the charge density is proportional to the curvature of the metal surface. Therefore, when a metal is pointed, once the metal is charged, the charges are densely packed at the point, so that the electric field is strong. The tip and the surrounding air form a capacitor, and when the electric field is strong to a certain degree, atomic molecules in the air can be broken down to achieve the effect of discharging the capacitor, namely, electrostatic discharge is carried out.
The utility model discloses in the above-mentioned embodiment, be provided with the electrically conductive region 1 of ground connection on the circuit board 5, the antenna shell fragment set up in on the circuit board 5 to be connected with antenna 6, the antenna shell fragment includes most advanced 8, most advanced 8 is in orthographic projection on the circuit board 5 at least partially with electrically conductive region 1 coincidence, just most advanced 8 with it predetermines the spacing distance to have between the electrically conductive region 1, can discharge the static on the circuit among the electronic equipment through most advanced 8 and electrically conductive region 1's relative position relation, not only practice thrift the overall arrangement space, can also improve electronic equipment's stability.
Optionally, as shown in fig. 2, the antenna elastic sheet includes a base portion 3 fixed on the circuit board 5 and a bent portion 2 extending from the base portion 3 and facing the circuit board, and the tip 8 is formed at one end of the bent portion 2 close to the circuit board 5.
Specifically, the base portion 3 mainly has a fixing function, and the antenna elastic sheet and the circuit board 5 are fixed by the base portion 3. The bending part 2 is mainly a static electricity discharge part, and the tip 8 of the bending part 2 is used for static electricity discharge, so that the stability of the electronic equipment is ensured.
Alternatively, one end of the bent portion 2 near the circuit board 5 extends toward the base portion 3 to form the tip 8.
The bent portion 2 has a bent structure having a curvature, and the bending direction is toward the base portion 3, that is, the tip 8 of the bent portion 2 can be disposed between the bent portion 2 and the base portion 3, so that the structure of the tip 8 can be prevented from easily damaging other components, and the safety performance can be improved.
Optionally, the tip 8 is disposed opposite to the conductive area 1, and a projection of the tip 8 on the conductive area 1 is located at the center of the conductive area 1.
Specifically, the tip 8 is opposite to the conductive area 1, and the projection of the tip 8 on the conductive area 1 is located in the center of the conductive area 1, so that the electrostatic discharge function of the tip 8 can be enhanced, and the stability of the electronic device is ensured.
Optionally, the tip 8 is coated with a low resistance coating having a resistance less than the resistance of the base portion 3. The electrostatic discharge function of the tip 8 can be enhanced, and the stability of the electronic device can be ensured.
Optionally, the antenna dome further includes:
and the elastic structure 4 is connected with the base body part 3 at a first end, and is in contact with the circuit board 5 at a second end.
Alternatively, the elastic structure 4 may be a zigzag elastic structure, and the like, and is not limited in particular.
Specifically, a first end (e.g., two bottom ends of the zigzag-shaped elastic structure) of the elastic structure 4 is connected to the base portion 3, and a second end (e.g., a top end of the zigzag-shaped elastic structure) extends toward the circuit board 5. The elastic structure 4 has elasticity, and the second end of the elastic structure 4 extends towards the circuit board 5, and can be contacted with the circuit board 5 through the elasticity of the elastic structure 4.
Optionally, a groove is formed in the circuit board 5, and the elastic structure 4 includes a first state and a second state that are switched with each other;
when the elastic structure 4 is in the first state, the second end of the elastic structure 4 is located in the groove;
when the elastic structure 4 is in the second state, the second end of the elastic structure 4 is located outside the groove.
Specifically, a groove is formed in the circuit board 5, and the second end of the elastic structure 4 can be located in the groove through the elastic action of the elastic structure 4, so that the elastic structure 4 is connected with the circuit board 5; the second end of the resilient structure 4 may also be moved away from the recess by the resilient action of the resilient structure 4, so that the resilient structure 4 is not in contact with the circuit board 5.
Optionally, the antenna 6 is clamped with the antenna elastic sheet through the elastic structure 4.
Specifically, the antenna 6 can be clamped with the antenna elastic sheet through the elastic action of the elastic structure 4, so that the antenna 6 is assembled with the antenna elastic sheet, when the antenna 6 needs static electricity discharge, static electricity can be introduced into the grounded conductive area 1 on the circuit board 5 through the tip 8 of the antenna elastic sheet, and the static electricity discharge is completed.
Optionally, the conductive region 1 is a first metal sheet disposed on the surface of the circuit board 5.
Specifically, the conductive area 1 is a first metal sheet disposed on the surface of the circuit board 5, and the conductive area 1 may be directly grounded or indirectly grounded by being connected to a ground structure in the circuit board 5.
Optionally, a second metal sheet is disposed inside the circuit board 5, a through hole is disposed on the surface of the circuit board 5, and the second metal sheet is exposed on the surface of the circuit board 5 through the through hole to form the conductive region 1.
Specifically, a second metal sheet is arranged inside the circuit board 5, a through hole is arranged on the surface of the circuit board 5, and the second metal sheet is exposed on the surface of the circuit board 5 through the through hole, that is, the conductive area 1 arranged on the surface of the circuit board 5 is a copper leakage area on the circuit board 5, that is, one part of grounded copper in the circuit board 5 is exposed, so that the conductive area 1 on the surface of the circuit board 5 is formed.
Optionally, the electronic device further includes:
the antenna comprises a metal middle frame and a Flexible Printed Circuit (FPC), wherein the antenna 6 is at least one part of the metal middle frame, or the antenna 6 is at least one part of the FPC.
Specifically, the antenna 6 may be a part of the metal middle frame or the whole metal middle frame, the antenna 6 is connected to the antenna spring, that is, the antenna and the antenna spring share the metal middle frame, and the antenna 6 introduces static electricity into the grounded conductive area 1 on the circuit board 5 through the tip 8 of the antenna spring, thereby completing the static electricity discharge. Similarly, the antenna 6 is a part of the Flexible Printed Circuit (FPC) or a metal part of the whole FPC, the antenna 6 is connected with the antenna elastic sheet, namely the antenna and the antenna elastic sheet share the FPC, and the antenna 6 introduces static electricity into the grounded conductive area 1 on the circuit board 5 through the tip 8 of the antenna elastic sheet, so that static electricity discharge is completed.
It should be noted that the antenna 6 is at least a part of the metal middle frame, or at least a part of the flexible printed circuit FPC, or an antenna small plate, in other words, the antenna small plate, the metal middle frame, or the FPC, or the like, which can be used as a part of an antenna.
Optionally, the electronic device further includes:
the shell 7, the circuit board 5 and the antenna shrapnel are arranged in the shell 7.
Specifically, the casing includes the display screen and the lid behind the battery that sets up with the display screen is relative, the display screen passes through the metal center is connected with lid behind the battery, circuit board 5, antenna shell fragment, FPC etc. all set up casing 7.
For convenience of illustration, a mobile phone is used as a specific example of the electronic device of the present invention to illustrate, and it can be understood by those skilled in the art that, besides the mobile phone being used as an electronic device, the present invention can also be applied to other electronic devices having a display screen, such as a tablet computer, an electronic book reader, a motion Picture experts compressed standard Audio Layer 3 (MP 3) player, a motion Picture experts compressed standard Audio Layer 4 (MP 4) player, a laptop portable computer, a vehicle-mounted computer, a desktop computer, a set-top box, an intelligent television, a wearable device, and so on.
The embodiment of the utility model provides an in, be provided with the electrically conductive region 1 of ground connection on the circuit board 5, the antenna shell fragment set up in on the circuit board 5 to be connected with antenna 6, the antenna shell fragment includes most advanced 8, most advanced 8 is in orthographic projection on the circuit board 5 at least partially with electrically conductive region 1 coincidence, just most advanced 8 with preset spacing distance has between the electrically conductive region 1, and antenna 6 passes through electrically conductive region 1 of the leading-in ground connection on the circuit board 5 of static through most advanced 8 of antenna shell fragment to accomplish static and discharge, not only practice thrift overall arrangement space and cost, can also improve electronic equipment's stability, improve user's use and experience.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (10)
1. An electronic device, comprising:
an antenna;
the circuit board is provided with a grounded conductive area;
the antenna elastic sheet is connected with the antenna and arranged on the circuit board, the antenna elastic sheet comprises a tip, the orthographic projection of the tip on the circuit board is at least partially overlapped with the conductive area, and a preset spacing distance is reserved between the tip and the conductive area.
2. The electronic device according to claim 1, wherein the antenna spring comprises a base portion fixed on the circuit board and a bent portion extending from the base portion and facing the circuit board, and the tip is formed at an end of the bent portion close to the circuit board.
3. The electronic device according to claim 2, wherein the tip is formed by extending one end of the bent portion close to the circuit board toward the base portion.
4. The electronic device of claim 1, wherein the tip is disposed opposite the conductive area, and a projection of the tip on the conductive area is located at a center of the conductive area.
5. The electronic device of claim 2, wherein the tip is coated with a low resistance coating having a resistance less than a resistance of the base portion.
6. The electronic device of claim 2, wherein the antenna dome further comprises:
and the first end of the elastic structure is connected with the base body part, and the second end of the elastic structure is in contact with the circuit board.
7. The electronic device of claim 6, wherein the antenna is clamped with the antenna spring through the elastic structure.
8. The electronic device of claim 1, wherein the conductive area is a first metal sheet disposed on a surface of the circuit board.
9. The electronic device of claim 1, wherein a second metal sheet is disposed inside the circuit board, a through hole is disposed on the surface of the circuit board, and the second metal sheet is exposed on the surface of the circuit board through the through hole to form the conductive region.
10. The electronic device of claim 1, further comprising:
the shell, the circuit board and the antenna shrapnel are arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807683.2U CN211720831U (en) | 2020-05-14 | 2020-05-14 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807683.2U CN211720831U (en) | 2020-05-14 | 2020-05-14 | Electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211720831U true CN211720831U (en) | 2020-10-20 |
Family
ID=72836498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020807683.2U Active CN211720831U (en) | 2020-05-14 | 2020-05-14 | Electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211720831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783012A (en) * | 2021-09-28 | 2021-12-10 | 维沃移动通信有限公司 | Elastic sheet and electronic equipment |
-
2020
- 2020-05-14 CN CN202020807683.2U patent/CN211720831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783012A (en) * | 2021-09-28 | 2021-12-10 | 维沃移动通信有限公司 | Elastic sheet and electronic equipment |
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