CN207474657U - A kind of terminal with interference signal function of shielding - Google Patents
A kind of terminal with interference signal function of shielding Download PDFInfo
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- CN207474657U CN207474657U CN201721525416.0U CN201721525416U CN207474657U CN 207474657 U CN207474657 U CN 207474657U CN 201721525416 U CN201721525416 U CN 201721525416U CN 207474657 U CN207474657 U CN 207474657U
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- interference signal
- shielding
- polarized wave
- polarized antenna
- terminal
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Abstract
The utility model discloses a kind of terminal with interference signal function of shielding, the terminal includes：Single-polarized antenna, circuit board and the interference signal shielding case being installed between the single-polarized antenna and circuit board；The interference signal shielding case includes substrate；The substrate includes the first face and the second face that is opposite with the single-polarized antenna and setting opposite with the circuit board and set；First face is equipped with the polarization conversion layer for interference signal to be decomposed into horizontal polarized wave and vertically polarized wave, and second face is equipped with the space filtering layer for filtering out preset kind polarized wave；The preset kind polarized wave is identical with the polarization mode of the single-polarized antenna, is the horizontal polarized wave or vertically polarized wave.Interference signal shielding case can just complete good shield effectiveness without ground connection used by terminal in the utility model, compared with prior art, be not only simple in structure effectively, and reduce human cost and material resources cost.
Description
Technical field
The utility model is related to field of terminal technology more particularly to a kind of terminals with interference signal function of shielding.
Background technology
In the terminal devices such as mobile phone, computer, the interference signal that the modules such as CPU, DDR generate has very the sensitivity of antenna
Big harmful effect, general method is to carry out shielded signal plus shielding case on these modules to interfere, and the screen applied instantly
Cover shortcoming is covered to be：Shielding case is made of a piece of simple metal material, does not have additional conversion or filtering for interference signal
Effect, therefore need to be grounded in application；However, when being grounded incomplete, radiation energy can be generated, shield effectiveness is weakened, is
This is usually needed to increase additional conductive fabric or conducting foam to strengthen shielding, not only complicated for operation, and increase manpower and
Material resources cost.
Utility model content
The purpose of this utility model is to provide a kind of terminals with interference signal function of shielding, and the prior art is overcome to deposit
Because shielding case must be grounded and be grounded it is incomplete when need strengthen shielding caused by it is complicated for operation and of high cost the defects of.
For this purpose, the utility model uses following technical scheme：
A kind of terminal with interference signal function of shielding, including：Single-polarized antenna, circuit board and is installed on described
Interference signal shielding case between single-polarized antenna and circuit board；
The interference signal shielding case, including substrate；The substrate includes the first face that is opposite with the circuit board and setting
And second face that sets opposite with the single-polarized antenna；First face is equipped with interference signal being decomposed into horizontal polarization
The polarization conversion layer of wave and vertically polarized wave, second face are equipped with the space filtering layer for filtering out preset kind polarized wave；
The preset kind polarized wave is identical with the polarization mode of the single-polarized antenna.
Optionally, the single-polarized antenna is vertical polarized antenna or horizontally-polarized antenna.
Optionally, the polarization conversion layer includes two predetermined widths and arc-shaped metal wire, two metal wires
It is rounded distribution and to both ends be not connected to.
Optionally, the space filtering layer includes several predetermined widths and the metal wire being horizontal, and several
The metal wire is parallel with the polarization direction of single-polarized antenna and in spaced and parallel arrangement.
Optionally, the metal pattern of the space filtering layer includes three in uniform intervals metal wire arranged in parallel.
Optionally, the metal wire is copper wire.
Optionally, the substrate is FR4 plate of material.
Optionally, the interference signal shielding case totally enclosed type is installed on the circuit board.
Optionally, the interference signal shielding case is connect with the welding circuit board.
Optionally, the terminal is mobile phone or computer.
Compared with prior art, the utility model embodiment has the advantages that：
Using first interference signal is decomposed into, horizontal polarized wave and vertically polarized wave, will wherein polarize the utility model mould again
The mode that the formula polarized wave identical with single-polarized antenna filters out, radiates after interference signal is converted to non-interference signal, so as to disappear
Except interference of the interference source to aerial signal；In use, interference signal shielding case just can be complete without ground connection used by terminal
Into good shield effectiveness, compared with prior art, be not only simple in structure effectively, and reduce human cost and material resources into
This.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the side view of interference signal shielding case that the utility model embodiment one provides；
Fig. 2 is the metal pattern schematic diagram of polarization conversion layer that the utility model embodiment one provides；
Fig. 3 is the metal pattern schematic diagram of space filtering layer that the utility model embodiment one provides；
Fig. 4 is the Filtering Simulation figure in 2.4GHz that the utility model embodiment one provides；
Fig. 5 is the metal pattern schematic diagram of space filtering layer that the utility model embodiment two provides.
It illustrates：Substrate 10, polarization conversion layer 20, space filtering layer 30.
Specific embodiment
Purpose of utility model, feature, advantage to enable the utility model is more apparent and understandable, below will knot
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this reality
With the embodiment in novel, those of ordinary skill in the art are obtained all other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The core concept of the utility model is：Due to current terminal, widely used single-polarized antenna, interference source generate
Interference signal may be arbitrary polarized wave, and the polarized wave identical with the polarization mode of single-polarized antenna just can be to single polarization day
The signal of line generates interference, thus the utility model using first by interference signal be decomposed into horizontal polarized wave and vertically polarized wave,
Interference signal is converted to non-interference signal by the mode that the wherein polarization mode polarized wave identical with single-polarized antenna is filtered out again
After radiate, so as to eliminate interference of the interference source to aerial signal.
The utility model has the terminal of interference signal function of shielding, including single-polarized antenna, circuit board and be installed on
Interference signal shielding case between the single-polarized antenna and circuit board.The interference signal shielding case includes substrate, the base
The first face and the second face that is opposite with the single-polarized antenna and setting that plate is set including opposite with the circuit board, described first
Face is equipped with the polarization conversion layer for interference signal to be decomposed into horizontal polarized wave and vertically polarized wave, and second face, which is equipped with, to be used
In the space filtering layer for filtering out preset kind polarized wave, the polarization mode of the preset kind polarized wave and the single-polarized antenna
It is identical.
The single-polarized antenna is vertical polarized antenna or horizontally-polarized antenna, and the preset kind polarized wave is described
Horizontal polarized wave or vertically polarized wave.
The space filtering layer includes the metal wire of several predetermined widths, and several metal wires and single polarization day
The polarization direction of line is parallel and in spaced and parallel arrangement.
Since circuit board is equipped with various functions module, such as CPU, DDR, these function modules will be to vertical polarization days
The sensitivity of line generates harmful effect, thus the circuit board is considered as interference source by the utility model, and the signal generated is known as dry
Disturb signal.
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Embodiment one
A kind of terminal is present embodiments provided, which includes vertical polarized antenna, circuit board and is installed on circuit board
Interference signal shielding case between vertical polarized antenna.
Interference signal shielding case, shown in concrete structure please refers to Fig.1 to Fig.3, wherein Fig. 1 show the present embodiment interference
The side view of signal shielding cover, Fig. 2 show the metal pattern schematic diagram of the polarization conversion layer of interference signal shielding case, Fig. 3 institutes
It is shown as the metal pattern schematic diagram of the space filtering layer of interference signal shielding case.
As shown in Figure 1, interference signal shielding case, including substrate 10, the shape and size of the substrate 10 are mutually fitted with circuit board
Match, include opposite the first face and the second face.First face is equipped with polarization conversion layer 20, which is used to do
The interference signal for disturbing source generation is decomposed into horizontal polarized wave and vertically polarized wave；Second face is equipped with space filtering layer 30, the sky
Between wave filtering layer 30 be used to filter out the vertically polarized wave that is decomposited by interference signal.
The metal pattern of polarization conversion layer 20 can be with as shown in Fig. 2, including two curved metal lines, this two curved metals
Line is preset width and length, rounded distribution, and opposite both ends are not connected to.
The metal pattern of space filtering layer 30 can be with as shown in figure 3, including three horizontal metal wires, this three horizontal metals
Line, it is arranged in parallel in uniform intervals.Analogous diagram as shown in Figure 4 can obtain, in 2.4GHz, interference signal decomposites vertical
Polarized wave and horizontal polarized wave pass through the transmissivity of space filtering layer 30.
The metal pattern of above-mentioned polarization conversion layer 20 and space filtering layer 30 can be used mode of printing and be formed in substrate 10
Two sides, the metal material of metal wire can be copper, and substrate 10 can be FR4 materials, to ensure good shield effectiveness.
Interference signal shielding case design parameter (such as：Width, length and the spacing of various metal wires, the thickness of substrate 10
Degree), it can be set according to the frequency of the transmission signal of vertical polarized antenna.For example, for 2.4GHz signals, the thickness of substrate 10
It can be set as 0.8mm.
When mounted, interference signal shielding case is mountable on circuit board, thus by circuit board and vertical polarized antenna phase
Mutually isolation, the interference signal that circuit board is generated after conversion and filtration treatment by radiating, to reduce to vertical polarization day
The signal interference of line.
To ensure good shield effectiveness, interference signal shielding case is installed on using totally enclosed type on circuit board, to ensure
Interference signal can all be radiate after the processing of interference signal shielding case.When mounted, it is conventional that welding etc. can be used
Fixed form.
The concrete operating principle of the interference signal shielding case is：
During terminal applies, the interference signal of internal circuit plate generation first passes through interference signal shielding case first
The polarization conversion layer 20 of face setting, is decomposed into horizontal polarized wave and vertically polarized wave；
Horizontal polarized wave and vertically polarized wave after decomposition reach the space filtering layer positioned at the second face after substrate 10
30, which will prevent vertically polarized wave, and (part therein is reflected back by space filtering layer 30, separately
A part is consumed by substrate 10 or by interfering cancellation), finally only enable glitch-free horizontal polarized wave outside
Radiation.
To sum up, the terminal in the present embodiment can be any types such as mobile phone, computer, due to its internal interference signal screen
It covers cover and has polarization conversion and filtering function, thus compared with traditional structure, shielding effect can be enhanced without ground connection in application
Fruit simplifies structure, reduces production cost；And realized using double-sided metal pattern, meet the ultra-thin and ultralight of shielding case and set
Meter demand saves assembly space.
Embodiment two
A kind of terminal is present embodiments provided, which includes horizontally-polarized antenna, circuit board and is installed on circuit board
Interference signal shielding case between horizontally-polarized antenna.
Interference signal shielding case, concrete structure please refers to Fig.1, shown in Fig. 2 and Fig. 5, and wherein Fig. 1 show the present embodiment
The side view of interference signal shielding case, Fig. 2 show the metal pattern schematic diagram of the polarization conversion layer 20 of interference signal shielding case,
Fig. 5 show the metal pattern schematic diagram of the space filtering layer 30 of interference signal shielding case.
As shown in Figure 1, interference signal shielding case, including substrate 10, the shape and size of the substrate 10 are mutually fitted with circuit board
Match, include opposite the first face and the second face.First face is equipped with polarization conversion layer 20, which is used to do
The interference signal for disturbing source generation is decomposed into horizontal polarized wave and vertically polarized wave；Second face is equipped with space filtering layer 30, the sky
Between wave filtering layer 30 be used to filter out the horizontal polarized wave that is decomposited by interference signal.
The metal pattern of polarization conversion layer 20 can be with as shown in Fig. 2, including two curved metal lines, this two curved metals
Line is preset width and length, rounded distribution, and opposite both ends are not connected to.
The metal pattern of space filtering layer 30 can be with as shown in figure 5, including three vertical metal wires, this three vertical metals
Line is arranged in parallel in uniform intervals.
In the present embodiment, the concrete operating principle of interference signal shielding case is：
During terminal applies, the interference signal of internal circuit plate generation is first passed through positioned at 10 first face of substrate
Polarization conversion layer 20, is decomposed into horizontal polarized wave and vertically polarized wave；
Horizontal polarized wave and vertically polarized wave after decomposition reach the space filtering layer positioned at the second face after substrate 10
30, which will prevent horizontal polarized wave, and (part therein is reflected back by space filtering layer 30, separately
A part is consumed by substrate 10 or by interfering cancellation), finally only enable glitch-free vertically polarized wave outside
Radiation.
To sum up, the present embodiment provides a kind of effective solution for shielding interference signal for vertical polarized antenna.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of terminal with interference signal function of shielding, which is characterized in that the terminal includes：Single-polarized antenna, circuit
Plate and the interference signal shielding case being installed between the single-polarized antenna and circuit board；
The interference signal shielding case includes substrate；The substrate include and first face that sets opposite with the circuit board and with institute
State that single-polarized antenna is opposite and the second face for setting；First face is equipped with that interference signal is decomposed into horizontal polarized wave and is hung down
The polarization conversion layer of straight polarized wave, second face are equipped with the space filtering layer for filtering out preset kind polarized wave；It is described pre-
If type polarized wave is identical with the polarization mode of the single-polarized antenna.
2. the terminal according to claim 1 with interference signal function of shielding, which is characterized in that the single-polarized antenna
For vertical polarized antenna, either the horizontally-polarized antenna preset kind polarized wave is the horizontal polarized wave or vertical polarization
Wave.
3. the terminal according to claim 2 with interference signal function of shielding, which is characterized in that the polarization conversion layer
Including two predetermined widths and arc-shaped metal wire, the rounded distribution of two metal wires and opposite both ends do not connect
It connects.
4. the terminal according to claim 2 with interference signal function of shielding, which is characterized in that the space filtering layer
Include the metal wire of several predetermined widths, and several metal wires are parallel with the polarization direction of single-polarized antenna and between being in
Every arranged in parallel.
5. the terminal according to claim 2 with interference signal function of shielding, which is characterized in that the space filtering layer
Metal pattern include three in uniform intervals metal wire arranged in parallel.
6. according to any terminal with interference signal function of shielding of claim 3 to 5, which is characterized in that the gold
Category line is copper wire.
7. the terminal according to claim 1 with interference signal function of shielding, which is characterized in that the substrate is FR4
Plate of material.
8. the terminal according to claim 1 with interference signal function of shielding, which is characterized in that the interference signal screen
Cover totally enclosed type is covered to be installed on the circuit board.
9. the terminal according to claim 1 with interference signal function of shielding, which is characterized in that the interference signal screen
Cover is covered to connect with the welding circuit board.
10. the terminal according to claim 1 with interference signal function of shielding, which is characterized in that the terminal is hand
Machine or computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525416.0U CN207474657U (en) | 2017-11-15 | 2017-11-15 | A kind of terminal with interference signal function of shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525416.0U CN207474657U (en) | 2017-11-15 | 2017-11-15 | A kind of terminal with interference signal function of shielding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474657U true CN207474657U (en) | 2018-06-08 |
Family
ID=62260736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721525416.0U Active CN207474657U (en) | 2017-11-15 | 2017-11-15 | A kind of terminal with interference signal function of shielding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768934A (en) * | 2020-12-30 | 2021-05-07 | 深圳市信丰伟业科技有限公司 | Antenna and method for eliminating co-channel interference based on electromagnetic wave mode conversion |
| CN114814958A (en) * | 2022-07-01 | 2022-07-29 | 河北帝斯杰奥科技有限公司 | Receiving device and analysis system for earth polarization excimer radiation |
-
2017
- 2017-11-15 CN CN201721525416.0U patent/CN207474657U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768934A (en) * | 2020-12-30 | 2021-05-07 | 深圳市信丰伟业科技有限公司 | Antenna and method for eliminating co-channel interference based on electromagnetic wave mode conversion |
| CN112768934B (en) * | 2020-12-30 | 2024-01-02 | 深圳市信丰伟业科技有限公司 | Antenna and method for eliminating same-frequency interference based on electromagnetic wave mode transformation |
| CN114814958A (en) * | 2022-07-01 | 2022-07-29 | 河北帝斯杰奥科技有限公司 | Receiving device and analysis system for earth polarization excimer radiation |
| CN114814958B (en) * | 2022-07-01 | 2022-09-23 | 河北帝斯杰奥科技有限公司 | Receiving device and analysis system for earth polarization excimer radiation |
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