CN206402522U - Circuit board and its mobile terminal - Google Patents
Circuit board and its mobile terminal Download PDFInfo
- Publication number
- CN206402522U CN206402522U CN201720038809.2U CN201720038809U CN206402522U CN 206402522 U CN206402522 U CN 206402522U CN 201720038809 U CN201720038809 U CN 201720038809U CN 206402522 U CN206402522 U CN 206402522U
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- CN
- China
- Prior art keywords
- access area
- layer
- circuit board
- substrate layer
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of circuit board, including substrate layer, be arranged at the first ground plane of the substrate layer side, be arranged at the signals layer of the substrate layer opposite side and away from the substrate layer and be arranged on first ground plane winding displacement layer, the signals layer includes the first access area, the second access area and signaling zone, and the signaling zone is packaged between first access area and second access area.The utility model additionally provides a kind of mobile terminal.Circuit board of the present utility model forms the structure on three-dimensional bag ground, serves good shield effectiveness by the way that signaling zone is encapsulated.
Description
Technical field
The utility model belongs to electronic circuit board technical field, specifically, is related to a kind of circuit board and its mobile terminal.
Background technology
In circuit system, it is often necessary to cable transmission power supply electricity is used between two different printing circuit boards (PCB)
Source, analog and digital signal etc..And thin flat cable, FFC (Flexible flat cable), FPC (Flexible printed
) etc. circuit the connecting line of parallel conductor layout formula is the type extensively used in these cables.
If in the signal of transmission, there is high-speed digital signal, it usually needs reduce height using certain screen method
The external electromagnetic interference (EMI) that fast signal is produced in cable transmitting procedure；If had in the signal of transmission than more sensitive letter
Number, such as digital dock, analog signal generally also need to use certain screen method to reduce outside EMI to passing in cable
The interference of defeated signal.
For the application of FPC winding displacements, generally strengthen shield effectiveness using the method for curtain coating is increased, but this side
Method not only needs to increase extra material, and shield effectiveness is also not ideal enough.
Utility model content
In order to solve above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of circuit board,
In the case where that need not increase curtain coating, preferably shielded signal is disturbed.
The utility model provides a kind of circuit board, including substrate layer, the first ground connection for being arranged at the substrate layer side
Layer, it is arranged at the signals layer of the substrate layer opposite side and away from the substrate layer and being arranged on first ground plane
Winding displacement layer, the signals layer includes the first access area, the second access area and signaling zone, and the signaling zone is packaged in described first
Between access area and second access area.
Further, first access area, the second access area are oppositely arranged on the edge of the signals layer.
Further, first ground plane, the first access area and the second access area include a plurality of ground wire respectively.
Further, the signaling zone includes many signal lines.
Further, the ground wire and signal wire are arranged in parallel.
Further, the winding displacement layer is the parallel bus-bar construction of a plurality of wire.
The utility model additionally provides a kind of mobile terminal, including foregoing circuit plate and away from the substrate layer and fits
The metal level of the signals layer.
Specifically, the metal level is metal center or metal backing.
The beneficial effects of the utility model：Circuit board and mobile terminal of the present utility model pass through the first ground plane, metal
Signaling zone is encapsulated by layer, the first access area and the second access area, is formed the structure on three-dimensional bag ground, is served good shielding
Effect.
Brief description of the drawings
By the following description carried out with reference to accompanying drawing, above and other aspect of embodiment of the present utility model, feature and
Advantage will become clearer, in accompanying drawing：
Fig. 1 is the structural representation of the circuit board of preferred embodiment of the present utility model.
Embodiment
Hereinafter, with reference to the accompanying drawings to embodiment of the present utility model is described in detail.However, it is possible in many different forms
To implement the utility model, and the utility model should not be construed as limited to the specific embodiment that illustrates here.On the contrary,
It is in order to explain principle of the present utility model and its practical application, so that others skilled in the art to provide these embodiments
It will be appreciated that various embodiments of the present utility model and the various modifications for being suitable for specific intended application.
In the accompanying drawings, in order to understand device, layer and the thickness in region are exaggerated.Identical label is in entire disclosure and attached
It can be used to represent identical element in figure.Although it will be appreciated that can be used term " first ", " second " etc. to describe herein
Various elements, but these elements should not be limited by these terms.These terms are only used for an element and another yuan
Part makes a distinction.
In addition it is also necessary to explanation, when being referred to as being located at one layer or being arranged at "above" or "below" another layer, it can be with
Located immediately at or be arranged at another layer of up or down, or can also have intermediate layer.
Fig. 1 is the structural representation of the circuit board of preferred embodiment of the present utility model.
Reference picture 1, the circuit board 100 of preferred embodiment of the present utility model includes：Substrate layer 30, it is arranged at substrate layer 30
First ground plane 20 of side, the signals layer 40 for being arranged at the opposite side of substrate layer 30 and away from substrate layer 30 and it is arranged on the
Winding displacement layer 10 on one ground plane 20, signals layer 40 includes the first access area 401, the second access area 403 and signaling zone 402, letter
Number area 402 is packaged between the first access area 401 and the second access area 403.Reference picture 1, the 10, first ground plane 20 of winding displacement layer,
Substrate layer 30, signals layer 40 are stacked gradually from top to bottom.
The circuit board that the present embodiment is provided, the first access area 401, the second access area 403 are oppositely arranged on signals layer 40
At left and right edges, meanwhile, signaling zone 402 is packaged between the first access area 401 and the second access area 403 so that signaling zone
402 left and right ends are all connected with ground structure.
Specifically, winding displacement layer 10 is the parallel bus-bar construction of a plurality of wire, the first ground plane 20, the and of the first access area 401
Second access area 403 includes a plurality of ground wire respectively, and ground wire is used to be connected to next layer of ground plane.Signaling zone 402 includes
Many signal lines, signal wire can be single-ended signal line or differential signal line so that the circuit board 100 disclosure satisfy that it is different
Request signal transmission.Here, ground wire and signal wire are arranged in parallel.It is understood that the quantity of signal wire, ground wire
And the area of winding displacement layer can be adjusted setting according to the practical wiring situation of circuit board 100, the utility model is herein not
It is construed as limiting.
Preferred embodiment of the present utility model additionally provides a kind of mobile terminal, including foregoing circuit plate 100 and and remote
The metal level 50 of substrate layer 30 and signals layer 40 of fitting.In specific implementation process, metal level 50 is metal center or metal
Backboard, signals layer 40 is electrically connected with metal center or metal backing.Here, mobile terminal can be the intelligent slidings such as mobile phone, computer
Dynamic terminal is, it is necessary to which explanation, the utility model is not restricted to this.
Because the both sides up and down of signals layer 40 are respectively arranged with the first ground plane 20 and metal level 50, therefore, the present embodiment
Mobile terminal in, signaling zone 402 is by the first access area 401, the second access area 403, the first ground plane 20 and the envelope of metal level 50
Load, form a three-dimensional bag ground structure, significantly enhance shield effectiveness, reduce signaling zone signals transmission by
Electromagnetic interference.
In summary, circuit board and mobile terminal of the present utility model pass through the first ground plane, metal level, the first access area
Signaling zone is encapsulated with the second access area, the structure on three-dimensional bag ground is formed, serves good shield effectiveness.
Although the utility model has shown and described with reference to specific embodiment, those skilled in the art will manage
Solution：In the case where not departing from the spirit and scope of the present utility model limited by claim and its equivalent, it can enter herein
Various change in row form and details.
Claims (8)
1. a kind of circuit board, it is characterised in that including substrate layer, be arranged at the first ground plane of the substrate layer side, set
In the signals layer of the substrate layer opposite side and away from the substrate layer and the winding displacement that is arranged on first ground plane
Layer, the signals layer includes the first access area, the second access area and signaling zone, and the signaling zone is packaged in first access area
Between second access area.
2. circuit board according to claim 1, it is characterised in that first access area, the second access area are oppositely arranged
In the edge of the signals layer.
3. circuit board according to claim 2, it is characterised in that first ground plane, the first access area and second connect
Area includes a plurality of ground wire respectively.
4. circuit board according to claim 3, it is characterised in that the signaling zone includes many signal lines.
5. circuit board according to claim 4, it is characterised in that the ground wire and signal wire are arranged in parallel.
6. circuit board according to claim 5, it is characterised in that the winding displacement layer is the parallel winding displacement knot of a plurality of wire
Structure.
7. a kind of mobile terminal, it is characterised in that including the circuit board described in claim any one of 1-6 and away from the base material
The metal level of layer and the signals layer of fitting.
8. mobile terminal according to claim 7, it is characterised in that the metal level is metal center or metal backing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038809.2U CN206402522U (en) | 2017-01-11 | 2017-01-11 | Circuit board and its mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038809.2U CN206402522U (en) | 2017-01-11 | 2017-01-11 | Circuit board and its mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206402522U true CN206402522U (en) | 2017-08-11 |
Family
ID=59513355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720038809.2U Expired - Fee Related CN206402522U (en) | 2017-01-11 | 2017-01-11 | Circuit board and its mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206402522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111385965A (en) * | 2020-04-17 | 2020-07-07 | 歌尔光学科技有限公司 | Printed circuit board |
-
2017
- 2017-01-11 CN CN201720038809.2U patent/CN206402522U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111385965A (en) * | 2020-04-17 | 2020-07-07 | 歌尔光学科技有限公司 | Printed circuit board |
| CN111385965B (en) * | 2020-04-17 | 2023-03-03 | 歌尔光学科技有限公司 | Printed circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20180111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |