CN206480774U - Slit three-in-one antenna circuit for all-metal back-cover mobile phone - Google Patents
Slit three-in-one antenna circuit for all-metal back-cover mobile phone Download PDFInfo
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- CN206480774U CN206480774U CN201720101241.4U CN201720101241U CN206480774U CN 206480774 U CN206480774 U CN 206480774U CN 201720101241 U CN201720101241 U CN 201720101241U CN 206480774 U CN206480774 U CN 206480774U
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- slit
- antenna
- inductance
- mobile phone
- electric capacity
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- 239000002184 metal Substances 0.000 title claims abstract description 20
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of slit three-in-one antenna circuit for all-metal back-cover mobile phone, including slit antenna, the two ends of slit antenna are respectively equipped with main feed point and three-in-one feed point, the first electric capacity and the first resonance circuit are connected in series between main feed point and three-in-one feed point, the first inductance and the second resonance circuit are connected in series between three-in-one feed point and ground wire, first resonance circuit includes the second electric capacity and the second inductance being connected in parallel, second resonance circuit includes tie point and the second branch road being connected in parallel, tie point includes the 3rd inductance and the 4th inductance being connected in series, second branch road includes the 3rd electric capacity and the 4th electric capacity being connected in series.Gap is set on the utility model housing, and slit antenna is set close to gap, is easy to the signal of slit antenna to radiate, interference of the all-metal housing to aerial signal is reduced；Slit antenna is connected with the match circuit being made up of inductance and electric capacity, slit antenna is had good radiation characteristic.
Description
Technical field
The utility model is related to a kind of slit three-in-one antenna circuit for all-metal back-cover mobile phone.
Background technology
With the development and the improvement of people's living standards of science and technology, also more and more extensively, people are to mobile phone for the application of mobile phone
Function and performance demand also more and more higher.Existing mobile phone typically uses plastic production handset shell, and this mobile phone is resistance to be fallen
Poor-performing, causes service life relatively low.In order to solve this problem, some mobile phones begin to use metal to make handset shell,
The antenna body of this mobile phone is received and transmission signal is poor, can reduce the communication effect of mobile phone.Therefore, it is necessary to provide one kind
New mode solves the above problems.
Utility model content
The purpose of this utility model is to provide a kind of signal radiation effect the good slit for all-metal back-cover mobile phone
Three-in-one antenna circuit.
To achieve these goals, the technical scheme that the utility model is used is as follows：
A kind of slit three-in-one antenna circuit for all-metal back-cover mobile phone, including：Slit antenna, the slit antenna
Two ends be respectively equipped with main feed point and three-in-one feed point, be connected in series with the first electric capacity between the main feed point and three-in-one feed point
With the first resonance circuit, the first inductance and the second resonance circuit are connected in series between the three-in-one feed point and ground wire, it is described
First resonance circuit includes the second electric capacity and the second inductance that are connected in parallel, second resonance circuit include being connected in parallel the
One branch road and the second branch road, the tie point include the 3rd inductance and the 4th inductance being connected in series, the second branch road bag
Include the 3rd electric capacity and the 4th electric capacity being connected in series.
It is preferred that, the slit antenna is arranged on the enclosure interior of all-metal back-cover mobile phone, the back side of the housing and opened
Provided with some gaps being parallel to each other, the distance between every adjacent two gaps are equal, and the slit antenna is close to the seam
Gap is set.
It is preferred that, the gap is provided with 4-6 bars, and the width in the gap is 0.08-0.1mm, per adjacent two gaps it
Between distance be 0.9mm.
It is preferred that, plastic strip is filled with each gap.
Compared with prior art, the utility model is used for the beneficial of the slit three-in-one antenna circuit of all-metal back-cover mobile phone
Effect is：Gap is set on housing described in the utility model, and slit antenna is set close to the gap, is easy to slit antenna
Signal is radiated, and reduces interference of the all-metal housing to aerial signal；The slit antenna and matching for being made up of inductance and electric capacity
Circuit is connected, and slit antenna is had good radiation characteristic.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams for the slit three-in-one antenna circuit that the utility model is used for all-metal back-cover mobile phone；
Fig. 2 is the part-structure schematic diagram of housing described in the utility model.
Embodiment
The utility model is further described below with reference to specific embodiment.
Refer to shown in Fig. 1 to Fig. 2, the utility model provides a kind of three-in-one day of slit for all-metal back-cover mobile phone
Line circuit, including：Slit antenna, the two ends of the slit antenna are respectively equipped with main feed point and three-in-one feed point, the main feed point
The first electric capacity C1 and the first resonance circuit are connected in series between three-in-one feed point, is gone here and there between the three-in-one feed point and ground wire
Connection is connected with the first inductance L1 and the second resonance circuit, and first resonance circuit includes the second electric capacity C2 being connected in parallel and the
Two inductance L2, second resonance circuit includes tie point and the second branch road being connected in parallel, and the tie point includes string
Join the 3rd inductance L3 and the 4th inductance L4 of connection, second branch road includes the 3rd electric capacity C3 and the 4th electric capacity being connected in series
C4。
In the utility model, the slit antenna is arranged on inside the housing 1 of all-metal back-cover mobile phone, the housing 1
The back side on offer some gaps being parallel to each other 2, the slit day equal per the distance between adjacent two gaps 2
Line is set close to the gap 2.In specific application, the gap 2 is provided with 4-6 bars, and the width in the gap 2 is 0.08-
0.1mm, preferably 0.08mm.The distance between every adjacent two gaps 2 are to be filled with plastic cement in 0.9mm, each gap 2
Bar, interference of the plastic strip to electromagnetic wave signal is smaller, and can prevent dust from entering inside housing 1.
In specific application, the signal that slit antenna is sent can be radiated through the plastic strip easily, so as to subtract
Few all-metal 1 interference to aerial signal of housing；The slit antenna is connected with the match circuit being made up of inductance and electric capacity, energy
Enough make slit antenna that there is good radiation characteristic.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (4)
1. a kind of slit three-in-one antenna circuit for all-metal back-cover mobile phone, it is characterised in that including：Slit antenna, institute
The two ends for stating slit antenna are respectively equipped with main feed point and three-in-one feed point, are connected in series between the main feed point and three-in-one feed point
There are the first electric capacity and the first resonance circuit, the first inductance and the second resonance are connected in series between the three-in-one feed point and ground wire
Circuit, first resonance circuit includes the second electric capacity and the second inductance being connected in parallel, and second resonance circuit is included simultaneously
Join the tie point and the second branch road of connection, the tie point includes the 3rd inductance and the 4th inductance being connected in series, described
Second branch road includes the 3rd electric capacity and the 4th electric capacity being connected in series.
2. it is used for the slit three-in-one antenna circuit of all-metal back-cover mobile phone as claimed in claim 1, it is characterised in that described
Slit antenna, which is arranged on, to be offered some and is parallel to each other on the enclosure interior of all-metal back-cover mobile phone, the back side of the housing
Gap, often the distance between adjacent two gaps are equal, and the slit antenna is set close to the gap.
3. it is used for the slit three-in-one antenna circuit of all-metal back-cover mobile phone as claimed in claim 2, it is characterised in that described
Gap is provided with 4-6 bars, and the width in the gap is 0.08-0.1mm, and the distance between every adjacent two gaps are 0.9mm.
4. it is used for the slit three-in-one antenna circuit of all-metal back-cover mobile phone as claimed in claim 3, it is characterised in that each
Plastic strip is filled with bar gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101241.4U CN206480774U (en) | 2017-01-24 | 2017-01-24 | Slit three-in-one antenna circuit for all-metal back-cover mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101241.4U CN206480774U (en) | 2017-01-24 | 2017-01-24 | Slit three-in-one antenna circuit for all-metal back-cover mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206480774U true CN206480774U (en) | 2017-09-08 |
Family
ID=59753836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720101241.4U Active CN206480774U (en) | 2017-01-24 | 2017-01-24 | Slit three-in-one antenna circuit for all-metal back-cover mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206480774U (en) |
-
2017
- 2017-01-24 CN CN201720101241.4U patent/CN206480774U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215300 Room 009, No. 55, Shengchuang Road, Yushan Town, Kunshan, Suzhou, Jiangsu Province Patentee after: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region after: China Patentee after: KUNSHAN INNOVATION RESEARCH INSTITUTE OF XIDIAN University Address before: 215300 No.268 Dengyun Road, high tech Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: KUNSHAN INNOVATION RESEARCH INSTITUTE OF XIDIAN University |
|
| CP03 | Change of name, title or address |