CN213521963U - High-precision anti-interference circuit board for mobile phone - Google Patents
High-precision anti-interference circuit board for mobile phone Download PDFInfo
- Publication number
- CN213521963U CN213521963U CN202021290486.4U CN202021290486U CN213521963U CN 213521963 U CN213521963 U CN 213521963U CN 202021290486 U CN202021290486 U CN 202021290486U CN 213521963 U CN213521963 U CN 213521963U
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- China
- Prior art keywords
- circuit board
- impedance
- shell
- fixed mounting
- board
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- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Telephone Set Structure (AREA)
Abstract
The utility model relates to a mobile phone unit technical field just discloses a high-accuracy anti-interference circuit board for cell-phone, which comprises an outer shell, the equal fixed mounting in top and the bottom of shell has the impedance board, fixed mounting has the embedded piece of impedance in the inner wall of shell, the inside fixed mounting of shell has the fixed block, the inside fixed mounting of fixed block has the circuit board body, the fixed cup joint in inside of impedance board has radiating fin. This high-accuracy anti-interference circuit board for cell-phone through setting up impedance board and the built-in piece of impedance, because impedance board and the built-in piece of impedance all adopt ferrite material to make, and ferrite material has good anti-interference effect to produced high-intensity magnetic field interference reduces when moving some electronic component, and then has ensured that the circuit board body has good operational environment, has improved the functioning speed and the life of circuit board body, has consequently increased this cell-phone circuit board's practicality.
Description
Technical Field
The utility model relates to a mobile phone unit technical field specifically is a high-accuracy anti-interference circuit board for cell-phone.
Background
At present, when an enterprise produces and assembles the mobile phone, a circuit board is often installed in the mobile phone, other electronic elements can be installed in the mobile phone besides the circuit board, however, the electronic elements can generate magnetic fields with different strengths during operation, and the mobile phone circuit board can influence the operation speed and the service life of the mobile phone circuit board under the long-term interference of the magnetic fields, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The circuit board for the high-precision anti-interference mobile phone has the advantages of reducing magnetic field interference, and solves the problems that an enterprise often can install a circuit board inside the mobile phone when producing and assembling the mobile phone, and other electronic elements can be installed on the circuit board inside the mobile phone, but the electronic elements can generate magnetic fields with different strengths when operating, and the mobile phone circuit board can influence the operating speed and the service life of the mobile phone circuit board under the long-term interference of the magnetic fields.
The utility model provides a following technical scheme: the utility model provides a high-accuracy anti-interference circuit board for cell-phone, includes the shell, the equal fixed mounting in top and the bottom of shell has the impedance board, fixed mounting has the built-in piece of impedance in the inner wall of shell, the inside fixed mounting of shell has the fixed block, the inside fixed mounting of fixed block has the circuit board body, the fixed cover in inside of impedance board has connect radiating fin, radiating fin's one end runs through the impedance board and extends to the outside of shell, radiating fin's the other end runs through the impedance board and extends to the inside of shell.
Preferably, the impedance plate is internally provided with heat dissipation ports located on two sides of the heat dissipation fins, and the dust screen is fixedly mounted inside the heat dissipation ports.
Preferably, the impedance plate and the impedance built-in block are made of ferrite materials.
Preferably, the number of the radiating fins is twelve, the twelve radiating fins are the same in size, and the twelve radiating fins are made of copper.
Preferably, the fixed block is made of an insulating material, and insulating paint is coated on the inner walls of the fixed block and the shell.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this high-accuracy anti-interference circuit board for cell-phone through setting up impedance board and the built-in piece of impedance, because impedance board and the built-in piece of impedance all adopt ferrite material to make, and ferrite material has good anti-interference effect to produced high-intensity magnetic field interference reduces when moving some electronic component, and then has ensured that the circuit board body has good operational environment, has improved the functioning speed and the life of circuit board body, has consequently increased this cell-phone circuit board's practicality.
2. This high-accuracy anti-interference circuit board for cell-phone through setting up radiating fin, thermovent and dust screen, because cooperation between thermovent and the dust screen will give off the inside heat of shell, simultaneously because radiating fin's effect will be with the inside partial heat transfer of shell to the external world to provide good temperature range for the operation of circuit board body, consequently further increased this circuit board for cell-phone's practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic top view of the present invention.
In the figure: 1. a housing; 2. an impedance board; 3. an impedance built-in block; 4. a fixed block; 5. a circuit board body; 6. a heat dissipating fin; 7. a heat dissipation port; 8. a dust screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a high-precision anti-interference circuit board for a mobile phone comprises a housing 1, wherein impedance plates 2 are fixedly mounted at the top and the bottom of the housing 1, the impedance plates 2 and an impedance built-in block 3 are made of ferrite materials, and for the ferrite materials, the ferrite materials have a low inductive impedance value, so that transmission of useful signals in the mobile phone is not affected, but for high magnetic field interference, the impedance increases from about 10MHz, the inductive reactance component thereof remains small, the resistive component increases rapidly, when high frequency energy passes through the magnetic materials, the resistive component converts the energy into heat energy to be dissipated, so that the effect of reducing the high magnetic field interference is achieved, heat dissipation ports 7 located at two sides of a heat dissipation fin 6 are formed in the impedance plates 2, a dust screen 8 is fixedly mounted in the heat dissipation ports 7, and the impedance built-in block 3 is fixedly mounted in the inner wall of the housing 1, the inside fixed mounting of shell 1 has fixed block 4, fixed block 4 adopts insulating material to make, and fixed block 4 and shell 1's inner wall has all been smeared insulating coating, the inside fixed mounting of fixed block 4 has circuit board body 5, impedance board 2's inside fixed cover has been cup jointed radiating fin 6, radiating fin 6's quantity is twelve, twelve radiating fin 6's size is the same, twelve radiating fin 6 all adopts copper to make, to the copper product material, it has good heat conduction effect by itself, radiating fin 6's one end is run through impedance board 2 and is extended to shell 1's outside, radiating fin 6's the other end is run through impedance board 2 and is extended to shell 1's inside.
The during operation, because the operation of the inside electronic component of cell-phone, will produce the magnetic field of different intensity, this moment because impedance board 2 and the built-in cooperation between the piece 3 of impedance, will separate and reduce these magnetic field interferences, thereby the operation for circuit board body 5 provides good environment, and because circuit board body 5's operation will produce the heat, part heat will be discharged to the external world through dust screen 8 this moment, and because radiating fin 6's effect, can be with the inside part heat transfer of shell 1 to the external world, thereby the operation for circuit board body 5 provides good temperature range.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high accuracy anti-interference circuit board for cell-phone, includes shell (1), its characterized in that: the top and the equal fixed mounting in bottom of shell (1) have impedance board (2), fixed mounting has impedance built-in piece (3) in the inner wall of shell (1), the inside fixed mounting of shell (1) has fixed block (4), the inside fixed mounting of fixed block (4) has circuit board body (5), radiating fin (6) have been cup jointed to the inside of impedance board (2) fixed, the one end of radiating fin (6) runs through impedance board (2) and extends to the outside of shell (1), the other end of radiating fin (6) runs through impedance board (2) and extends to the inside of shell (1).
2. The circuit board of claim 1, wherein the circuit board comprises: the radiating ports (7) located on two sides of the radiating fins (6) are formed in the impedance plate (2), and the dustproof net (8) is fixedly mounted inside the radiating ports (7).
3. The circuit board of claim 1, wherein the circuit board comprises: the impedance board (2) and the impedance built-in block (3) are both made of ferrite materials.
4. The circuit board of claim 1, wherein the circuit board comprises: the number of the radiating fins (6) is twelve, the twelve radiating fins (6) are the same in size, and the twelve radiating fins (6) are all made of copper.
5. The circuit board of claim 1, wherein the circuit board comprises: the fixing block (4) is made of an insulating material, and insulating paint is smeared on the inner walls of the fixing block (4) and the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290486.4U CN213521963U (en) | 2020-07-02 | 2020-07-02 | High-precision anti-interference circuit board for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290486.4U CN213521963U (en) | 2020-07-02 | 2020-07-02 | High-precision anti-interference circuit board for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521963U true CN213521963U (en) | 2021-06-22 |
Family
ID=76433742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021290486.4U Expired - Fee Related CN213521963U (en) | 2020-07-02 | 2020-07-02 | High-precision anti-interference circuit board for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521963U (en) |
-
2020
- 2020-07-02 CN CN202021290486.4U patent/CN213521963U/en not_active Expired - Fee Related
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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: 20210622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |