CN218550278U - Circuit board assembly and electronic equipment - Google Patents
Circuit board assembly and electronic equipment Download PDFInfo
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- CN218550278U CN218550278U CN202222873504.7U CN202222873504U CN218550278U CN 218550278 U CN218550278 U CN 218550278U CN 202222873504 U CN202222873504 U CN 202222873504U CN 218550278 U CN218550278 U CN 218550278U
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Abstract
The embodiment of the application provides a circuit board assembly and electronic equipment, circuit board assembly includes: the circuit board assembly includes: the circuit board comprises a first circuit board, a second circuit board, a shielding cover and a supporting part; the first circuit board and the second circuit board are arranged at intervals, and a plurality of first electronic devices are arranged on one side, close to the second circuit board, of the first circuit board; the supporting part is connected between the first circuit board and the second circuit board, and the shielding cover is connected to the supporting part and sleeved outside the first electronic device.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a circuit board assembly and an electronic device.
Background
With the continuous development of electronic device technology, the functions of electronic device hardware are more and more, and the requirements for circuit board components on the electronic device are also higher and higher.
In the prior art, the circuit board assembly is generally assembled in a multi-layer structure, and may include a first circuit board, a second circuit board, and a shielding cover disposed between the first circuit board and the second circuit board. One side of the first circuit board close to the second circuit board is provided with a plurality of electronic devices, and the electronic devices are shielded by the shielding cover so as to shield the electronic devices from other electronic devices. In order to avoid unstable connection between the electronic device and the first circuit board due to stress, the electronic device on the first circuit board needs to be fixed by dispensing.
However, in the course of studying the prior art, the inventor found that since the shielding cover is located between the first circuit board and the second circuit board, it is necessary to first form glue dispensing holes on the shielding cover, then bond the aluminum foil to the glue dispensing holes, and then connect the second circuit board to the first circuit board. However, in the process of connecting the second circuit board to the first circuit board, a high temperature process is required, so that the aluminum foil is easy to loosen or fall off, the shielding effect of the shielding cover is affected, and even the aluminum foil falls on other electronic devices to cause short circuit.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem, the utility model provides a circuit board assembly and electronic equipment of the problem that the aluminium foil easily becomes flexible or drops and cause the short circuit under overcoming high temperature is proposed.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a circuit board assembly, which includes: the circuit board comprises a first circuit board, a second circuit board, a shielding cover and a supporting part;
the first circuit board and the second circuit board are arranged at intervals, and one side of the first circuit board, which is close to the second circuit board, is provided with a plurality of first electronic devices;
the supporting part is connected between the first circuit board and the second circuit board, and the shielding cover is connected to the supporting part and sleeved outside the first electronic device.
In a second aspect, an embodiment of the present application provides an electronic device, where the electronic device includes the circuit board assembly.
In an embodiment of the present application, the circuit board assembly includes: the circuit board assembly comprises a first circuit board, a second circuit board, a shielding cover and a supporting part; the first circuit board and the second circuit board are arranged at intervals, and a plurality of first electronic devices are arranged on one side, close to the second circuit board, of the first circuit board; the supporting part is connected between the first circuit board and the second circuit board, and the shielding cover is connected to the supporting part and sleeved outside the first electronic device. In this way, the shield cover connected to the second circuit board can be connected to the first circuit board through the support portion with the first circuit board and the first electronic component disposed at an interval. The problem that the aluminum foil located on the glue dispensing hole is easy to loosen or fall off to influence the shielding effect and even the aluminum foil falls off to cause short circuit on other electronic devices is solved. The stability of the circuit board assembly is improved, and the shielding cover has a good shielding effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a cross section of a circuit board assembly according to an embodiment of the present application;
fig. 2 is one of schematic structural diagrams of a shielding cover according to an embodiment of the present application;
fig. 3 is a second schematic structural diagram of a shielding cover according to an embodiment of the present application;
fig. 4 is a second schematic cross-sectional view illustrating a circuit board assembly according to an embodiment of the present disclosure;
fig. 5 is a third schematic cross-sectional view illustrating a circuit board assembly according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a circuit board assembly according to an embodiment of the present application;
fig. 7 is a second schematic cross-sectional view illustrating a circuit board assembly according to an embodiment of the present application;
FIG. 8 is a fourth illustration of a cross-sectional side view of a circuit board assembly according to an embodiment of the present application;
fig. 9 is a third schematic structural view of a shielding cover according to an embodiment of the present application;
FIG. 10 is a fourth illustration of a shielding cover according to an embodiment of the present application;
fig. 11 is a cross-sectional view of a circuit board assembly according to an embodiment of the present application;
fig. 12 is a fifth structural schematic view of a shielding cover according to an embodiment of the present application;
FIG. 13 is a side view of a shield cover of the type described in the example of the present application in FIG. 12;
fig. 14 is a sixth schematic structural view of a shielding cover according to an embodiment of the present application.
Reference numerals: 100-a first circuit board; 200-a second circuit board; 300-a shield cover; 110-a first electronic device; 320-a support; 210-a second electronic device; 321-an annular connecting plate; 400-a third circuit board; 410-a first board-to-board connector; 420-a second board-to-board connector; 322-a support plate; 323-elastic connecting element; 330-first connecting edge; 340-a second connecting edge; 350-an insulating layer; 360-an electrical connection layer; 311-a boss; 430-an electrical connection board; 431-mask signal pin; 432-barrier film.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5 and fig. 8 to 13, there are shown schematic structural diagrams of a circuit board assembly according to an embodiment of the present application, which may specifically include: a first circuit board 100, a second circuit board 200, a shield cover 300, and a support 320;
the first circuit board 100 and the second circuit board 200 are arranged at intervals, and one side of the first circuit board 100 close to the second circuit board 200 is provided with a plurality of first electronic devices 110;
the supporting portion 320 is connected between the first circuit board 100 and the second circuit board 200, and the shielding cover 300 is connected to the supporting portion 320 and is sleeved outside the first electronic device 110.
In the embodiment of the present application, by providing the support portion 320 on the circuit board assembly, support may be provided between the shield cover 300 and the second circuit board 200. In this way, the shield cover 300 connected to the second circuit board 200 can be connected to the first circuit board 100 through the support portions 320 with the first circuit board 100 and the first electronic device 110 spaced apart. The dispensing holes are prevented from being formed in the shielding cover 300, the aluminum foil positioned on the dispensing holes is prevented from being easily loosened or falling off to influence the shielding effect, and even the aluminum foil falls on other electronic devices to cause short circuit. The stability of the circuit board assembly is improved so that the shielding cover 300 has a good shielding effect.
Specifically, in the embodiment of the present application, a first cavity for accommodating the first electronic device 110 may be disposed in the shielding cover 300, so as to shield the first electronic device 110 and other electronic devices. Specifically, when the number of the first electronic devices 110 is multiple, at least one first partition plate may be further disposed in the first cavity, the first partition plate is disposed between two adjacent first electronic devices 110, and the first partition plate is respectively connected to the shielding cover 300 and the first circuit board 100. In this way, two adjacent first electronic devices 110 can be shielded respectively, and the shielding effect of the shielding cover 300 is further enhanced.
For example, in the embodiment of the present application, the first circuit Board 100 may be a PCB (Printed circuit Board), and the second circuit Board 200 may also be a PCB (Printed circuit Board). The shielding cover 300 may be made of a material having high magnetic permeability, such as steel, iron, permalloy, etc., and has a good shielding effect and a good structural strength. The specific material of the shielding cover 300 in the embodiment of the present application may not be limited.
Optionally, in the embodiment of the present application, as shown in fig. 2 to 3 and fig. 5, a plurality of second electronic devices 210 are disposed on a side of the second circuit board 200 close to the first circuit board 100. The supporting portion 320 includes an annular connecting plate 321, and the annular connecting plate 321 is disposed outside the second electronic device 210 and connected to the second circuit board 200. In this way, the annular connecting plate 321 is similar to the shielding cover 300 and is disposed outside the second electronic device 210 by being turned over, so as to form a structure similar to two shielding covers 300 in a mirror image distribution, and as shown in fig. 2 to 3 and fig. 5, an H-shaped shielding cover structure is formed. Therefore, the annular connecting plate 321 supports the shielding cover 300, and the annular connecting plate 321 is sleeved outside the second electronic device 210, so as to shield the second electronic device 210 and prevent the second electronic device 210 from being affected by other electronic devices.
For example, the size of the annular connection plate 321 may be equal to or smaller than the size of the shield cover 300, and the size of the annular connection plate 321 may also be larger than the size of the shield cover 300.
Specifically, in the embodiment of the present application, a second cavity may be disposed in the annular connecting plate 321, and the second cavity is used for accommodating the second electronic device 210 to shield the second electronic device 210 and other electronic devices. Specifically, in the case that the number of the second electronic devices 210 is multiple, at least one second partition plate may be further disposed in the second cavity, the second partition plate is disposed between two adjacent second electronic devices 210, and the second partition plate is respectively connected to the shielding cover 300 and the second circuit board 200. In this way, two adjacent second electronic devices 210 can be respectively shielded, and the shielding effect of the shielding cover 300 is further enhanced.
In the embodiment of the present application, optionally, as shown in fig. 4, the circuit board assembly further includes a third circuit board 400, and the third circuit board 400 is electrically connected to the first circuit board 100 and the second circuit board 200, respectively. The electrical connection between the first circuit board 100 and the second circuit board 200 is achieved through the third circuit board 400. Specifically, the third circuit board 400 may include a Flexible Printed Circuit (FPC) and may also include a rigid electrical connection board 430.
In some alternative embodiments of the present application, as shown in fig. 4, the circuit Board assembly further includes a first Board-To-Board connector 410 (Board To Board, BTB for short) and a second Board-To-Board connector 420. The first board-to-board connector 410 is connected to the first circuit board 100, the second board-to-board connector 420 is connected to the second circuit board 200, and the third circuit board 400 is connected between the first board-to-board connector 410 and the second board-to-board connector 420. Thus, the first circuit board 100 and the second circuit board 200 can be electrically connected in a board-to-board connection manner, so that the circuit board assembly has strong transmission capability, has the advantages of being light, thin, stable in high-frequency transmission, free of welding, capable of reducing noise and the like, and also has good corrosion resistance and environment resistance and excellent performance.
Referring to fig. 6 and 7, schematic structural diagrams of a circuit board assembly in the prior art are shown. Referring to fig. 6, in the prior art, in the case that the third circuit board 400 is an electrical connection board 430, a shielding signal pin 431 is further provided on the electrical connection board 430 to shield the electronic device in the electrical connection board 430 from other electronic devices. As shown in fig. 7, in the prior art, in the case that the third circuit board 400 is an electrical connection board 430, a shielding film 432 is further disposed on the electrical connection board 430 to shield the electronic devices in the electrical connection board 430 from other electronic devices.
In the embodiment of the present application, as shown in fig. 5, since the shielding cover 300 can shield the first electronic device 110 and the annular connecting plate 321 can shield the second electronic device 210, signal interference is avoided. Therefore, in the case where the third circuit board 400 is the electrical connection board 430, it is not necessary to separately provide a shielding structure, such as the shielding signal pins 431 or the shielding films 432, on the electrical connection board 430 as in the aforementioned prior art. In this way, space for disposing the shield signal pin 431 or the shield film 432 in the circuit board assembly is saved. The layout space of other electronic devices is increased, and the production cost is also saved.
In some alternative embodiments of the present application, as shown in fig. 8, the supporting portion 320 includes a plurality of supporting plates 322 disposed at intervals. The support plate 322 is coupled between the first circuit board 100 and the second circuit board 200. In this way, the supporting plates 322 arranged at intervals can stably support the shielding cover 300, and the material consumption of the supporting parts 320 is also saved.
Specifically, in the embodiment of the present application, the supporting plates 322 may be respectively disposed at four corners of the cover plate, or disposed at a middle position of the cover plate.
In some alternative embodiments of the present application, an end of the supporting portion 320 away from the first circuit board 100 is provided with a plurality of elastic connectors 323 distributed at intervals, and the elastic connectors 323 are connected to the second circuit board 200. Thus, the elastic connection between the shielding cover 300 and the second circuit board 200 is realized through the elastic connecting member 323, and when the connection between any one of the connection surfaces of the first circuit board 100 and the second circuit board 200 and the shielding cover 300 is uneven, the elastic connecting member 323 can adjust the distance between the shielding cover 300 and the first circuit board 100 and the second circuit board 200 through elastic deformation, so that the shielding cover 300 is stably connected between the first circuit board 100 and the second circuit board 200, and has better connection stability.
Specifically, in this embodiment of the present application, the plurality of elastic connection members 323 may be disposed at four corners of the cover plate, or disposed at the middle position of the cover plate, and may be disposed according to actual needs. For example, the number of the elastic connecting members 323 may be set to 4 as shown in fig. 9, or may be set to 2, 3, 6, or the like, and the specific number of the elastic connecting members 323 may not be limited in the embodiment of the present application.
Illustratively, in the embodiment of the present application, the elastic connector 323 includes at least one of a spring plate and a spring, and a better elastic connection between the shielding cover 300 and the second circuit board 200 is achieved through the spring plate or the spring. The specific type of the elastic connection member 323 may not be limited in the embodiments of the present application.
Alternatively, in the embodiment of the present application, as shown in fig. 11 and 12, an end of the shielding cover 300 facing the first circuit board 100 is provided with a first connecting edge 330 extending toward an edge, and the first connecting edge 330 is connected to the first circuit board 100. An end of the shielding cover 300 facing the second circuit board 200 is provided with a second connecting edge 340 extending toward the edge, and the second connecting edge 340 is connected to the second circuit board 200. One end of the shielding cover 300 facing the first circuit board 100 is provided with a first connecting edge 330 extending towards the edge, so that the shielding cover 300 can be connected with the first circuit board 100 through the first connecting edge 330, the connecting area is increased, and the connecting stability is improved. One end of the shielding cover 300 facing the second circuit board 200 is provided with a second connecting edge 340 extending towards the edge, so that the shielding cover 300 can be connected with the second circuit board 200 through the second connecting edge 340, the connecting area is increased, and the connecting stability is improved.
For example, the first connecting edge 330 may be connected to the first circuit board 100 by soldering or bonding, and the second connecting edge 340 may also be connected to the second circuit board 200 by soldering or bonding. In the embodiment of the present application, a specific connection manner between the first connection edge 330 and the first circuit board 100 and between the second connection edge 340 and the second circuit board 200 may not be limited.
In some alternative embodiments of the present application, as shown in fig. 12 and 13, the outer surface of the shielding cover 300 is provided with an insulating layer 350, and a side of the insulating layer 350 away from the shielding cover 300 is provided with an electrical connection layer 360. The electrical connection layer 360 extends from an end near the first circuit board 100 to an end near the second circuit board 200, and is electrically connected to the first circuit board 100 and the second circuit board 200, respectively. Since the shield cover 300 does not generally have insulation, the insulating layer 350 is provided on the outer surface of the shield cover 300, and the surface thereof is insulated. Then, the electrical connection layer 360 is disposed on the insulation layer 350, and the electrical connection between the first circuit board 100 and the second circuit board 200 can be directly achieved through the shielding cover 300 without separately disposing the electrical connection board 430, thereby saving the layout space of the circuit board assembly and also reducing the production cost.
Specifically, in the embodiment of the present application, the electrical connection layer 360 may include a plurality of conductive lines, and the conductive lines are distributed on the insulation layer 350 at intervals, so as to have good electrical connection performance. The distance between two adjacent wires may be the same or different, and this may not be limited in this embodiment of the present application.
In the embodiment of the present application, optionally, as shown in fig. 14, the shielding cover 300 is extended toward the first circuit board 100 to form a plurality of protruding portions 311, the first circuit board 100 is provided with recessed portions at positions corresponding to the protruding portions 311, and the protruding portions 311 are embedded in the recessed portions. Therefore, when the shielding cover 300 is connected to the first circuit board 100, accurate alignment between the shielding cover and the first circuit board is facilitated, and the problem of misalignment caused by inaccurate alignment is avoided.
As shown in fig. 14, the number of the protruding portions 311 is 2, and the number of the protruding portions 311 may be 3, 4, 5, and so on according to the actual production requirement, and the specific number of the protruding portions 311 may not be limited in the embodiment of the present application.
In summary, the circuit board assembly according to the embodiment of the present application may include at least the following advantages:
in an embodiment of the present application, the circuit board assembly includes: the circuit board comprises a first circuit board, a second circuit board, a shielding cover and a supporting part; the first circuit board and the second circuit board are arranged at intervals, and a plurality of first electronic devices are arranged on one side, close to the second circuit board, of the first circuit board; the supporting part is connected between the first circuit board and the second circuit board, and the shielding cover is connected to the supporting part and sleeved outside the first electronic device. In this way, the shield cover connected to the second circuit board can be connected to the first circuit board through the support portion with the first circuit board and the first electronic component disposed at an interval. The problem that the aluminum foil on the dispensing hole is easy to loosen or fall off to influence the shielding effect and even the aluminum foil falls off to cause short circuit is avoided when the dispensing hole is formed in the shielding cover. The stability of the circuit board assembly is improved, and the shielding cover has a good shielding effect.
The embodiment of the application provides electronic equipment, and the electronic equipment comprises the circuit board assembly.
In this embodiment, the electronic device may include, but is not limited to, any one of a mobile phone, a tablet computer, and a wearable device.
The electronic device according to the embodiment of the application can at least have the following advantages:
in an embodiment of the present application, the electronic device includes the circuit board assembly, and the circuit board assembly includes: the circuit board comprises a first circuit board, a second circuit board, a shielding cover and a supporting part; the first circuit board and the second circuit board are arranged at intervals, and one side of the first circuit board, which is close to the second circuit board, is provided with a plurality of first electronic devices; the supporting part is connected between the first circuit board and the second circuit board, and the shielding cover is connected to the supporting part and sleeved outside the first electronic device. In this way, the shield cover connected to the second circuit board can be connected to the first circuit board through the support portion with the first circuit board and the first electronic component disposed at an interval. The problem that the aluminum foil on the dispensing hole is easy to loosen or fall off to influence the shielding effect and even the aluminum foil falls off to cause short circuit is avoided when the dispensing hole is formed in the shielding cover. The stability of the circuit board assembly is improved, and the shielding cover has a good shielding effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A circuit board assembly, comprising: the circuit board comprises a first circuit board, a second circuit board, a shielding cover and a supporting part;
the first circuit board and the second circuit board are arranged at intervals, and one side of the first circuit board, which is close to the second circuit board, is provided with a plurality of first electronic devices;
the supporting part is connected between the first circuit board and the second circuit board, and the shielding cover is connected to the supporting part and sleeved outside the first electronic device.
2. The circuit board assembly of claim 1, wherein a side of the second circuit board adjacent to the first circuit board is provided with a plurality of second electronic devices;
the supporting part comprises an annular connecting plate, and the annular connecting plate is sleeved outside the second electronic device and connected to the second circuit board.
3. The circuit board assembly of claim 2, further comprising a third circuit board electrically connected to the first and second circuit boards, respectively.
4. The circuit board assembly of claim 3, further comprising a first board-to-board connector and a second board-to-board connector;
the first board-to-board connector is connected to the first circuit board, the second board-to-board connector is connected to the second circuit board, and the third circuit board is connected between the first board-to-board connector and the second board-to-board connector.
5. The circuit board assembly of claim 1, wherein the support portion comprises a plurality of spaced support plates;
the support plate is connected between the first circuit board and the second circuit board, and the shielding cover is connected to the support plate.
6. The circuit board assembly of claim 1, wherein the end of the supporting portion away from the first circuit board is provided with a plurality of elastic connectors distributed at intervals;
the elastic connecting piece is connected to the second circuit board.
7. The circuit board assembly according to claim 1, wherein an end of the shielding cover facing the first circuit board is provided with a first connecting edge extending toward an edge, the first connecting edge being connected to the first circuit board;
one end of the shielding cover facing the second circuit board is provided with a second connecting edge extending towards the edge, and the second connecting edge is connected with the second circuit board.
8. The circuit board assembly according to claim 1, wherein the outer surface of the shielding cover is provided with an insulating layer, and a side of the insulating layer away from the shielding cover is provided with an electrical connection layer;
the electric connection layer extends from one end close to the first circuit board to one end close to the second circuit board and is respectively and electrically connected with the first circuit board and the second circuit board.
9. The circuit board assembly according to claim 1, wherein the shielding cover extends toward the first circuit board to form a plurality of protruding portions, the first circuit board is provided with recessed portions at positions corresponding to the protruding portions, and the protruding portions are embedded in the recessed portions.
10. An electronic device, characterized in that the electronic device comprises a circuit board assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222873504.7U CN218550278U (en) | 2022-10-28 | 2022-10-28 | Circuit board assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222873504.7U CN218550278U (en) | 2022-10-28 | 2022-10-28 | Circuit board assembly and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218550278U true CN218550278U (en) | 2023-02-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222873504.7U Active CN218550278U (en) | 2022-10-28 | 2022-10-28 | Circuit board assembly and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218550278U (en) |
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2022
- 2022-10-28 CN CN202222873504.7U patent/CN218550278U/en active Active
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