CN220985924U - Circuit board assembly and electronic equipment - Google Patents
Circuit board assembly and electronic equipment Download PDFInfo
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- CN220985924U CN220985924U CN202322647942.6U CN202322647942U CN220985924U CN 220985924 U CN220985924 U CN 220985924U CN 202322647942 U CN202322647942 U CN 202322647942U CN 220985924 U CN220985924 U CN 220985924U
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- circuit board
- elastic arm
- antenna
- elastic
- board assembly
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- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The utility model belongs to the field of circuit connection, and discloses a circuit board assembly and electronic equipment, wherein the circuit board assembly comprises a circuit board, a main chip, a spring plate and an antenna, the circuit board comprises a first side surface and a second side surface which are oppositely arranged, and a through hole is formed in the circuit board; the main chip is arranged on the first side surface of the circuit board; the first end of the elastic sheet is arranged on the first side surface of the circuit board and is in communication connection with the main chip, and the second end of the elastic sheet passes through the through hole and extends out of the second side surface; the antenna is arranged on the second side surface of the circuit board and is in communication connection with the second end of the elastic sheet. According to the utility model, the through hole is arranged on the circuit board, one end of the elastic sheet is connected with the antenna, and the other end of the elastic sheet passes through the through hole and is in communication connection with the main chip, so that the main chip and the antenna which are positioned on different sides of the circuit board are in communication connection only through the elastic sheet, the punching and wire passing on the circuit board are avoided, the loss is reduced, the antenna performance is improved, the loss of the antenna performance is not required to be compensated by adopting other modes, and the production cost is reduced.
Description
Technical Field
The present utility model relates to the field of circuit connection technology, and in particular, to a circuit board assembly and an electronic device.
Background
The antenna is an indispensable part of electronic equipment communication, and the electronic equipment transmits signals to the antenna through a communication module (main chip) and emits out, and meanwhile, receives signals to the communication module (main chip) through the antenna for wireless information interaction. In some electronic devices, as shown in fig. 1, the main chip is sometimes located on different sides of the circuit board with the antenna and the elastic sheet, that is, the antenna and the elastic sheet are located on the same side of the circuit board, the main chip is located on the other side of the circuit board, and when the antenna is in communication connection with the circuit board through the elastic sheet, a wire needs to be punched on the circuit board, and communication connection between the antenna, the elastic sheet and the main chip is realized through the wire in the hole. Because the performance of the circuit board is somewhat lost (about 0.5 dB) when the circuit board is punched and threaded, and the problems of increased impedance, poor impedance control and the like exist when the circuit board is punched and threaded, the antenna performance is reduced or other modes are needed to compensate the loss of the antenna performance, and the production cost is increased.
Disclosure of utility model
The utility model aims to provide a circuit board assembly and electronic equipment, which solve the problem that when a main chip, an antenna and an elastic sheet are arranged on different surfaces of a circuit board, the performance of the antenna is reduced by adopting a punching and wire-passing mode.
The technical scheme provided by the utility model is as follows:
In one aspect, a circuit board assembly is provided, comprising:
The circuit board comprises a first side surface and a second side surface which are oppositely arranged along the thickness direction, and a through hole penetrating through the first side surface and the second side surface is formed in the circuit board;
The main chip is arranged on the first side surface of the circuit board;
the first end of the elastic sheet is arranged on the first side surface of the circuit board and is in communication connection with the main chip, and the second end of the elastic sheet penetrates through the through hole and extends out of the second side surface;
the antenna is arranged on the second side surface of the circuit board and is in communication connection with the second end of the elastic piece.
In some embodiments, the first end of the spring is connected to the first side patch of the circuit board, and the second end of the spring abuts the antenna.
In some embodiments, the elastic sheet includes a fixing portion, an elastic arm and an abutting portion, one end of the fixing portion is connected with the first side patch of the circuit board, the other end of the fixing portion passes through the through hole, the elastic arm is disposed on the second side of the circuit board, one end of the elastic arm is connected with the fixing portion, the other end of the elastic arm is connected with the abutting portion, and the top surface of the abutting portion is abutted to the antenna.
In some embodiments, the fixing portion includes a patch portion, a connection portion and a limit portion, the patch portion is connected with the first side patch of the circuit board, one end of the connection portion is connected with the patch portion, the other end passes through the through hole and is connected with the limit portion, and the limit portion is located above the elastic arm and is located on one side of the abutting portion close to the elastic arm.
In some embodiments, the number of the fixing parts is two, the two fixing parts are oppositely arranged along a first direction of the circuit board, the fixing parts and the elastic arms are sequentially arranged along a second direction of the circuit board, and the second direction is perpendicular to the first direction.
In some embodiments, the connection portion is provided with an opening penetrating the connection portion in a first direction of the circuit board.
In some embodiments, the elastic arm includes a first elastic arm, a second elastic arm and a third elastic arm that are connected in sequence, one end of the first elastic arm away from the second elastic arm is connected with the connecting portion, one end of the third elastic arm away from the second elastic arm is connected with the abutting portion, the second elastic arm is an arc-shaped arm, the third elastic arm is located above the first elastic arm, and the limiting portion is located above the third elastic arm and abuts against the third elastic arm.
In some embodiments, the abutting portion is arc-shaped, one end of the abutting portion is connected with the third elastic arm, and the other end of the abutting portion is bent toward the connecting portion.
In some embodiments, the top surface of the abutment is provided with a protrusion for abutment with the antenna.
In another aspect, an electronic device is provided, including a circuit board assembly according to any of the above embodiments.
The utility model has the technical effects that: through setting up the through-hole that feed piece passed on the circuit board, the one end and the antenna connection of shell fragment, the other end of shell fragment pass through-hole and with main chip communication connection for main chip and the antenna that is located the different faces of circuit board only realize communication connection through the shell fragment, avoid punching on the circuit board and cross the line, reduce loss, promote antenna performance, and need not to adopt other modes to compensate antenna performance's loss, reduce circuit board assembly's manufacturing cost.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic diagram of a circuit board assembly according to the prior art;
Fig. 2 is a schematic structural diagram of a circuit board assembly according to an embodiment of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a cross-sectional view of a circuit board assembly according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a spring plate according to an embodiment of the present application.
Reference numerals illustrate:
10. A circuit board; 101. a first side; 102. a second side; 103. a through hole; 20. a main chip; 30. a spring plate; 31. a fixing part; 311. a patch part; 312. a connection part; 3121. an opening; 313. a limit part; 32. an elastic arm; 321. a first elastic arm; 322. a second elastic arm; 323. a third elastic arm; 33. an abutting portion; 331. a boss; 40. an antenna; 50. and protecting the shell.
Detailed Description
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In one embodiment of the present application, as shown in fig. 2 to 4, a circuit board assembly includes a circuit board 10, a main chip 20, a spring plate 30 and an antenna 40, wherein the circuit board 10 includes a first side 101 and a second side 102 disposed opposite to each other in a thickness direction, and a through hole 103 penetrating the first side 101 and the second side 102 is formed in the circuit board 10; the main chip 20 is arranged on the first side 101 of the circuit board 10, a communication module is integrated in the main chip 20, and wireless communication with external equipment is realized through the antenna 40; the first end of the spring plate 30 is arranged on the first side 101 of the circuit board 10 and is in communication connection with the main chip 20, and the second end of the spring plate 30 passes through the through hole 103 and extends out of the second side 102 of the circuit board 10; the antenna 40 is disposed on the second side 102 of the circuit board 10 and is communicatively connected to the second end of the spring plate 30, and a protection housing 50 is further disposed above the antenna 40 to protect the antenna 40.
The through hole 103 on the circuit board 10 penetrates the circuit board 10 along the thickness direction of the circuit board 10, and the size of the through hole 103 is larger than that of the first end of the elastic sheet 30, so that the first end of the elastic sheet 30 can penetrate the through hole 103. The main chip 20 and the antenna 40 are located on different sides of the circuit board 10, the main chip 20 is disposed on the first side 101 of the circuit board 10, the antenna 40 is disposed on the second side 102 of the circuit board 10, the second end of the spring 30 is located on the second side 102 of the circuit board 10 and is in communication connection with the antenna 40, the first end of the spring 30 passes through the through hole 103 of the circuit board 10 and is connected with the first side 101 of the circuit board 10, so that the first end of the spring 30 is electrically connected with the main chip 20, that is, the antenna 40 located on the second side 102 of the circuit board 10 is in communication connection with the main chip 20 located on the first side 101 of the circuit board 10 through the spring 30, and the spring 30 passes through the circuit board 10, so that punching and threading of the circuit board 10 are not needed, impedance and transmission loss are reduced, and performance of the antenna 40 is improved.
Further, in order to make the elastic sheet 30 stably connected with the main chip 20 and the antenna 40 while passing through the circuit board 10, the present embodiment improves the structure of the elastic sheet 30, wherein the first end of the elastic sheet 30 is connected with the first side 101 of the circuit board 10 through a solder patch, and the second end of the elastic sheet 30 is abutted with the antenna 40. Specifically, as shown in fig. 3, the elastic sheet 30 includes a fixing portion 31, an elastic arm 32 and an abutting portion 33, one end of the fixing portion 31 is in patch connection with the first side 101 of the circuit board 10, the other end of the fixing portion 31 passes through the through hole 103, the elastic arm 32 is disposed on the second side 102 of the circuit board 10, one end of the elastic arm 32 is connected with the fixing portion 31, the other end of the elastic arm 32 is fixedly connected with the abutting portion 33, and the top surface of the abutting portion 33 abuts against the antenna 40. In this embodiment, the fixing portion 31, the elastic arm 32 and the abutting portion 33 can be integrally formed, the fixing portion 31 is fixedly connected with the circuit board 10, the abutting portion 33 is connected with the fixing portion 31 through the elastic arm 32, and the elastic force of the elastic arm 32 can ensure the abutting effect of the antenna 40 and the abutting portion 33, so that the antenna 40 and the elastic sheet 30 can be stably connected, and further the signal transmission quality of the circuit board assembly can be improved.
Further, as shown in fig. 5, the fixing portion 31 includes a patch portion 311, a connection portion 312 and a limiting portion 313, the patch portion 311 is connected with the first side 101 of the circuit board 10 by soldering, one end of the connection portion 312 is fixedly connected with the patch portion 311, the other end of the connection portion 312 passes through the through hole 103 and is fixedly connected with the limiting portion 313, and the limiting portion 313 is located above the elastic arm 32 and is located on one side of the abutting portion 33 close to the elastic arm 32.
In this embodiment, as shown in fig. 5, the bottom end of the connection portion 312 is bent outwards to form a patch portion 311, and the patch portion 311 is perpendicular or approximately perpendicular to the connection portion 312. The patch part 311 has a plate-like structure, and the patch part 311 is attached to the first side 101 of the circuit board 10 and fixedly connected thereto by soldering. The connecting portion 312 is in a plate-shaped structure, the connecting portion 312 is perpendicular or approximately perpendicular to the first side surface 101 and the second side surface 102 of the circuit board 10, one side wall at the top end of the connecting portion 312 is bent towards the abutting portion 33 to form a limiting portion 313, the limiting portion 313 is located on one side, close to the elastic arm 32, of the abutting portion 33, the limiting portion 313 can play a limiting role on the abutting portion 33 so as to prevent the abutting portion 33 from being bent towards the elastic arm 32 under stress to affect stable connection between the abutting portion 33 and the antenna 40, meanwhile, the limiting portion 313 is located above the elastic arm 32 and can play a limiting role on the elastic arm 32, so that the elastic arm 32 is in a compressed state, good contact between the abutting portion 33 and the antenna 40 is kept through elastic force of the elastic arm 32, and signal transmission quality is improved.
Preferably, as shown in fig. 3 and 5, the number of the fixing portions 31 is two, the two fixing portions 31 are disposed opposite to each other along a first direction of the circuit board 10, and the fixing portions 31 and the elastic arms 32 are disposed in sequence along a second direction of the circuit board 10, the second direction being perpendicular to the first direction. The first direction may be a length direction or a width direction of the circuit board 10, and when the first direction is the length direction of the circuit board 10, the second direction is the width direction of the circuit board 10, and when the first direction is the width direction of the circuit board 10, the second direction is the length direction of the circuit board 10. The two fixing portions 31 are disposed on two sides of the elastic arm 32, one end of the elastic arm 32 is fixedly connected with the two fixing portions 31, and the abutting portion 33 is located between the two fixing portions 31 and above the fixing portions 31. By providing the two fixing portions 31, not only the connection stability between the spring plate 30 and the circuit board 10 can be improved, but also the stability of the elastic arm 32 can be improved, and further the stability of the whole spring plate 30 can be improved.
Further, as shown in fig. 5, the connection portion 312 is provided with an opening 3121 penetrating the connection portion 10 along the first direction of the circuit board 10, and the opening 3121 may be rectangular, circular, elliptical, polygonal, or the like. The opening 3121 is disposed at a side of the connecting portion 312 away from the elastic arm 32, so as to avoid affecting the connection stability between the elastic arm 32 and the connecting portion 312, i.e. the disposing of the opening 3121 on the connecting portion 312 does not affect the overall strength of the elastic sheet 30, and can reduce the material consumption of the elastic sheet 30 and the weight of the whole elastic sheet 30.
Further, as shown in fig. 5, the elastic arm 32 includes a first elastic arm 321, a second elastic arm 322, and a third elastic arm 323 that are sequentially connected, one end of the first elastic arm 321 away from the second elastic arm 322 is connected to the connecting portion 312, one end of the third elastic arm 323 away from the second elastic arm 322 is connected to the abutting portion 33, the second elastic arm 322 is an arc-shaped arm, the third elastic arm 323 is located above the first elastic arm 321, and the limiting portion 313 is located above the third elastic arm 323 and abuts against the third elastic arm 323. In this embodiment, the first elastic arm 321, the second elastic arm 322 and the third elastic arm 323 are sequentially connected to form a U-shaped elastic arm, one end of the U-shaped elastic arm is connected to the connecting portion 312, the other end of the U-shaped elastic arm is connected to the abutting portion 33, and the U-shaped elastic arm provides an elastic force to keep the abutting portion 33 in good contact with the antenna 40.
As shown in fig. 3 and 5, the abutting portion 33 is arc-shaped, one end of the abutting portion 33 is connected to the third elastic arm 323, the other end of the abutting portion 33 is bent toward the connecting portion 312, the concave portion of the abutting portion 33 is provided toward the connecting portion 312, and the convex portion of the abutting portion 33 abuts against the antenna 40. Preferably, the top surface of the abutting portion 33 is provided with a boss 331 for abutting against the antenna 40, and the boss 331 has a certain length and width to increase the contact area of the boss 331 with the antenna 40, thereby optimizing the signal transmission quality.
The utility model also provides an embodiment of an electronic device, which comprises the circuit board assembly described in the above embodiment, wherein the circuit board assembly has a structure as shown in fig. 2 to 5, and the through hole 103 for the shrapnel 30 to pass through is arranged on the circuit board 10, so that the shrapnel 30 passes through the through hole 103 and connects the antenna 40 and the main chip 20 on different sides of the circuit board 10, thus the circuit board 10 does not need to be perforated and passed through lines, the impedance and the transmission loss are reduced, the antenna performance is improved, the loss of the antenna performance is not required to be compensated by adopting other modes, and the production cost of the circuit board assembly is reduced.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A circuit board assembly, comprising:
The circuit board comprises a first side surface and a second side surface which are oppositely arranged along the thickness direction, and a through hole penetrating through the first side surface and the second side surface is formed in the circuit board;
The main chip is arranged on the first side surface of the circuit board;
the first end of the elastic sheet is arranged on the first side surface of the circuit board and is in communication connection with the main chip, and the second end of the elastic sheet penetrates through the through hole and extends out of the second side surface;
the antenna is arranged on the second side surface of the circuit board and is in communication connection with the second end of the elastic piece.
2. A circuit board assembly according to claim 1, wherein,
The first end of the elastic sheet is connected with the first side surface patch of the circuit board, and the second end of the elastic sheet is abutted to the antenna.
3. A circuit board assembly according to claim 2, wherein,
The elastic piece comprises a fixing part, an elastic arm and an abutting part, one end of the fixing part is connected with the first side surface patch of the circuit board, the other end of the fixing part penetrates through the through hole, the elastic arm is arranged on the second side surface of the circuit board, one end of the elastic arm is connected with the fixing part, the other end of the elastic arm is connected with the abutting part, and the top surface of the abutting part is abutted to the antenna.
4. A circuit board assembly according to claim 3, wherein,
The fixed part comprises a patch part, a connecting part and a limiting part, wherein the patch part is connected with a first side surface patch of the circuit board, one end of the connecting part is connected with the patch part, the other end of the connecting part penetrates through the through hole and is connected with the limiting part, and the limiting part is positioned above the elastic arm and is positioned on one side, close to the elastic arm, of the abutting part.
5. A circuit board assembly according to claim 4, wherein,
The number of the fixing parts is two, the two fixing parts are oppositely arranged along the first direction of the circuit board, the fixing parts and the elastic arms are sequentially arranged along the second direction of the circuit board, and the second direction is perpendicular to the first direction.
6. A circuit board assembly according to claim 4, wherein,
The connecting part is provided with an opening penetrating through the connecting part along the first direction of the circuit board.
7. A circuit board assembly according to claim 4, wherein,
The elastic arms comprise a first elastic arm, a second elastic arm and a third elastic arm which are sequentially connected, one end, away from the second elastic arm, of the first elastic arm is connected with the connecting portion, one end, away from the second elastic arm, of the third elastic arm is connected with the abutting portion, the second elastic arm is an arc-shaped arm, the third elastic arm is located above the first elastic arm, and the limiting portion is located above the third elastic arm and is abutted with the third elastic arm.
8. A circuit board assembly according to claim 7, wherein,
The abutting portion is arc-shaped, one end of the abutting portion is connected with the third elastic arm, and the other end of the abutting portion is bent towards the connecting portion.
9. A circuit board assembly according to claim 8, wherein,
The top surface of the abutting part is provided with a protruding part for abutting against the antenna.
10. An electronic device comprising the circuit board assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322647942.6U CN220985924U (en) | 2023-09-27 | 2023-09-27 | Circuit board assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322647942.6U CN220985924U (en) | 2023-09-27 | 2023-09-27 | Circuit board assembly and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220985924U true CN220985924U (en) | 2024-05-17 |
Family
ID=91042671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322647942.6U Active CN220985924U (en) | 2023-09-27 | 2023-09-27 | Circuit board assembly and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220985924U (en) |
-
2023
- 2023-09-27 CN CN202322647942.6U patent/CN220985924U/en active Active
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| GR01 | Patent grant |