CN206480770U - Antenna and its match circuit for all-metal back-cover mobile phone - Google Patents
Antenna and its match circuit for all-metal back-cover mobile phone Download PDFInfo
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- CN206480770U CN206480770U CN201720100954.9U CN201720100954U CN206480770U CN 206480770 U CN206480770 U CN 206480770U CN 201720100954 U CN201720100954 U CN 201720100954U CN 206480770 U CN206480770 U CN 206480770U
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- 239000002184 metal Substances 0.000 title claims abstract description 20
- 210000005056 cell body Anatomy 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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Abstract
The utility model discloses a kind of antenna and its match circuit for all-metal back-cover mobile phone, including antenna body and match circuit, the antenna body includes first to Part III, the Part I and Part III of the antenna body are circular arc, the corresponding central angle of the circular arc shaped portion is 90 °, the Part II of the antenna body is rectangle, Part I and Part III of the Part II of the antenna body respectively with antenna body are tangent, the Part II of the antenna body is provided with the first wiring point and the second wiring point in one end of the Part I close to antenna body, first wiring point is the distributing point of the antenna body, the middle part of the Part II of antenna body is provided with the 3rd to the 5th wiring point, the Part II of antenna body is provided with the 6th to the 8th wiring point in one end of the Part III close to antenna body.The utility model signal transmission effect is good, can transmit three frequency band signals.
Description
Technical field
The utility model is related to a kind of antenna and its match 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.In addition, existing antenna body
The signal of single frequency band can only be transmitted, causes mobile communication function to be restricted.Therefore, it is necessary to provide a kind of new mode
Solve the above problems.
Utility model content
The purpose of this utility model is to provide that a kind of signal transmission effect is good, can transmit multi-band signal be used for it is complete
The antenna and its match circuit of metal back cover mobile phone.
To achieve these goals, the technical scheme that the utility model is used is as follows：
A kind of antenna and its match circuit for all-metal back-cover mobile phone, including：Antenna body and match circuit, it is described
Antenna body includes first to Part III, and the Part I and Part III of the antenna body are circular arc, the circular arc
The corresponding central angle in shape part is 90 °, and the Part II of the antenna body is rectangle, second of the antenna body
Divide Part I and Part III respectively with antenna body tangent, the Part II of the antenna body is close to antenna body
Part I one end be provided with the first wiring point and the second wiring point, first wiring point be the antenna body feed
Point, the middle part of the Part II of antenna body is provided with the 3rd to the 5th wiring point, and the Part II of antenna body is close to antenna
One end of the Part III of body is provided with the 6th to the 8th wiring point.
It is preferred that, the match circuit includes the first to the 5th Zero-ohm resistor R5, the first to the 8th electric capacity, the first electricity
Sense, the second inductance and single-pole double-throw switch (SPDT), the single-pole double-throw switch (SPDT) include common port, the first throwing end and second and throw end,
First wiring point of the antenna body is connected with the first end of the first Zero-ohm resistor, and the second of first Zero-ohm resistor
The first inductance is connected between end and ground wire；Second wiring point of the antenna body is connected with the first terminals of the first electric capacity,
Second terminals of the first electric capacity are connected with the common port of the single-pole double-throw switch (SPDT), single-pole double-throw switch (SPDT) first throw end with
The second inductance and the second Zero-ohm resistor are connected in series between ground wire, the second of single-pole double-throw switch (SPDT) throws string between end and ground wire
Connection the second electric capacity of connection and the 3rd Zero-ohm resistor；The electricity of connection the 3rd between the 4th wiring point and ground wire of the antenna body
Hold；The 4th electric capacity is connected between the 5th wiring point and ground wire of the antenna body；6th wiring point of the antenna body
The 4th Zero-ohm resistor R4 and the 5th Zero-ohm resistor R5 is connected in series between ground wire；7th wiring of the antenna body
The 5th electric capacity and the 6th electric capacity are connected in series between point and ground wire；8th wiring point of the antenna body and the 7th electric capacity
First end is connected, and the 8th electric capacity is connected between the second end of the 7th electric capacity and ground wire.
It is preferred that, the capacitance of first electric capacity is 1.3pf, and the capacitance of the second electric capacity is 5pf, the electricity of the 3rd electric capacity
Capacitance is 1pf, and the capacitance of the 4th electric capacity is 1pf, and the capacitance of the 5th electric capacity is 3pf, and the capacitance of the 6th electric capacity is 2pf,
The capacitance of 7th electric capacity is 0.5pf, and the capacitance of the 8th electric capacity is 3pf, and the inductance value of the first inductance is 2nh, the second inductance
Inductance value be 7nh.
It is preferred that, the antenna and its match circuit are arranged on the enclosure interior of all-metal back-cover mobile phone, and the housing is
All-metal housing, the housing includes back portion, left surface part, right flank part, upper side part and downside part,
The back portion of the housing offers the first cell body, the back portion of the housing in one end close to the upper side part
The second cell body, shape and the day of first cell body and the second cell body are offered in one end close to the downside part
The shape of line body is identical.
Compared with prior art, the utility model is used for the antenna of all-metal back-cover mobile phone and its beneficial effect of match circuit
Fruit is：The utility model signal transmission effect is good, can transmit three frequency band signals.
Brief description of the drawings
Fig. 1 is that the utility model is used for the antenna of all-metal back-cover mobile phone and its circuit theory diagrams of match circuit；
Fig. 2 is the structural representation of antenna body described in the utility model；
Fig. 3 is the structural representation of housing described in the utility model；
Fig. 4 is S parameter simulation result figure of the present utility model；
Fig. 5 is S parameter simulation result figure of the present utility model.
Embodiment
The utility model is further described below with reference to specific embodiment.
Refer to shown in Fig. 1 to Fig. 5, the utility model provides a kind of antenna and its matching for all-metal back-cover mobile phone
Circuit, including：Antenna body 1 and match circuit, the antenna body 1 include first to Part III, the antenna body
Part I 101 and Part III 103 are circular arc, and the corresponding central angle of the circular arc shaped portion is 90 °, the antenna sheet
The Part II 102 of body 1 is rectangle, the Part I of the Part II 102 of the antenna body 1 respectively with antenna body 1
101 and Part III 103 it is tangent, the Part II 102 of the antenna body 1 is in the Part I 101 close to antenna body 1
One end is provided with the first wiring point and the second wiring point, and first wiring point is the distributing point of the antenna body 1, antenna body
The middle part of 1 Part II 102 is provided with the 3rd to the 5th wiring point, and the Part II 102 of antenna body 1 is close to antenna body
One end of 1 Part III 103 is provided with the 6th to the 8th wiring point.
In the utility model, the match circuit include the first to the 5th Zero-ohm resistor R5, the first to the 8th electric capacity,
First inductance L1, the second inductance L2 and single-pole double-throw switch (SPDT) K, the single-pole double-throw switch (SPDT) K include common port, first throw end and
Second throws end, and the first wiring point of the antenna body 1 is connected with the first Zero-ohm resistor R1 first end, and the described 1st
The second end that the first inductance L1, the first Zero-ohm resistor R1 is connected between Ohmic resistance R1 the second end and ground wire forms rear end electricity
The feed connection end on road；Second wiring point of the antenna body 1 is connected with the first electric capacity C1 the first terminals, the first electric capacity
C1 the second terminals are connected with the common port of the single-pole double-throw switch (SPDT) K, and the first of single-pole double-throw switch (SPDT) K throws end and ground wire
Between be connected in series the second inductance L2 and the second Zero-ohm resistor R2, the second of single-pole double-throw switch (SPDT) K throws between end and ground wire
It is connected in series the second electric capacity C2 and the 3rd Zero-ohm resistor R3；Connected between the 4th wiring point and ground wire of the antenna body 1
3rd electric capacity C3；The 4th electric capacity C4 is connected between the 5th wiring point and ground wire of the antenna body 1；The antenna body 1
The 6th wiring point and ground wire between be connected in series with the 4th Zero-ohm resistor R4 and the 5th Zero-ohm resistor R5；The antenna sheet
The 5th electric capacity C5 and the 6th electric capacity C6 is connected in series between the 7th wiring point and ground wire of body 1；The 8th of the antenna body 1
Wiring point is connected with the 7th electric capacity C7 first end, and the 8th electric capacity C8 is connected between the 7th electric capacity C7 the second end and ground wire,
7th electric capacity C7 the second end forms WBG feed ends.
Wherein, the first wiring point be antenna body 1 distributing point, its transmit signal in ripple can pass through first electricity
Sense L1 is filtered out, and the first Zero-ohm resistor R1's is provided with beneficial to increase electrical length, can optimize the radiation effect of GPS frequency ranges,
Other resistance, the setting of electric capacity and inductance help to further filter out clutter and strengthen the radiation effect of electromagnetic wave.
In the present embodiment, the capacitance of the first electric capacity C1 is 1.3pf, and the second electric capacity C2 capacitance is 5pf, the
Three electric capacity C3 capacitance is 1pf, and the 4th electric capacity C4 capacitance is 1pf, and the 5th electric capacity C5 capacitance is 3pf, the 6th electricity
The capacitance for holding C6 is 2pf, and the 7th electric capacity C7 capacitance is 0.5pf, and the 8th electric capacity C8 capacitance is 3pf, the first inductance
L1 inductance value is 2nh, and the second inductance L2 inductance value is 7nh.
Antenna and its match circuit described in the utility model are arranged on inside the housing 2 of all-metal back-cover mobile phone, the shell
Body 2 is all-metal housing, and the housing 2 includes back portion 201, left surface part 202, right flank part 203, upside face
Divide 204 and downside part 205, the back portion 201 of the housing 2 is opened up in one end close to the upper side part 204
There is the first cell body 206, the back portion 201 of the housing 2 offers the second groove in one end close to the downside part 205
Body 207, the shape of the cell body 207 of the first cell body 206 and second is identical with the shape of the antenna body 1.
In practical application, when single-pole double-throw switch (SPDT) K common port is connected with single-pole double-throw switch (SPDT) K the first throwing end
When, corresponding S parameter simulation result figure is as shown in Figure 4；When the of single-pole double-throw switch (SPDT) K common port and single-pole double-throw switch (SPDT) K
During two throwing end connections, corresponding S parameter simulation result figure is as shown in Figure 5.From Fig. 4 and Fig. 5, pass through single-pole double-throw switch (SPDT)
K introducing, antenna system can realize the radiation of 1575MHz and 2400MHz and 2600MHZ three frequency ranges, can cover BT,
The radiation of the electromagnetic wave of three kinds of standards of GPS, WIFI and LTE high band.
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 antenna and its match circuit for all-metal back-cover mobile phone, it is characterised in that including：Antenna body and matching
Circuit, the antenna body includes first to Part III, and the Part I and Part III of the antenna body are circular arc
Shape, the corresponding central angle of the circular arc shaped portion is 90 °, and the Part II of the antenna body is rectangle, the antenna sheet
Part I and Part III of the Part II of body respectively with antenna body are tangent, the Part II of the antenna body by
One end of the Part I of nearly antenna body is provided with the first wiring point and the second wiring point, and first wiring point is the antenna
The distributing point of body, the middle part of the Part II of antenna body is provided with the 3rd to the 5th wiring point, the Part II of antenna body
The the 6th to the 8th wiring point is provided with one end of the Part III close to antenna body.
2. it is used for the antenna and its match circuit of all-metal back-cover mobile phone as claimed in claim 1, it is characterised in that the matching
Circuit is opened including the first to the 5th Zero-ohm resistor R5, the first to the 8th electric capacity, the first inductance, the second inductance and single-pole double throw
Close, the single-pole double-throw switch (SPDT) includes common port, the first throwing end and second and throws end, the first wiring point of the antenna body
It is connected with the first end of the first Zero-ohm resistor, the first electricity is connected between the second end of first Zero-ohm resistor and ground wire
Sense；Second wiring point of the antenna body is connected with the first terminals of the first electric capacity, the second terminals of the first electric capacity with
The common port connection of the single-pole double-throw switch (SPDT), is connected in series the second electricity between the first throwing end of single-pole double-throw switch (SPDT) and ground wire
Sense and the second Zero-ohm resistor, the second electric capacity and the 3rd 0 are connected in series between the second throwing end of single-pole double-throw switch (SPDT) and ground wire
Ohmic resistance；The 3rd electric capacity is connected between the 4th wiring point and ground wire of the antenna body；The 5th of the antenna body connects
The 4th electric capacity is connected between line point and ground wire；The 4th is connected in series between the 6th wiring point and ground wire of the antenna body
Zero-ohm resistor R4 and the 5th Zero-ohm resistor R5；Is connected in series between the 7th wiring point and ground wire of the antenna body
Five electric capacity and the 6th electric capacity；8th wiring point of the antenna body is connected with the first end of the 7th electric capacity, and the of the 7th electric capacity
The 8th electric capacity is connected between two ends and ground wire.
3. it is used for the antenna and its match circuit of all-metal back-cover mobile phone as claimed in claim 2, it is characterised in that described first
The capacitance of electric capacity is 1.3pf, and the capacitance of the second electric capacity is 5pf, and the capacitance of the 3rd electric capacity is 1pf, the electricity of the 4th electric capacity
Capacitance is 1pf, and the capacitance of the 5th electric capacity is 3pf, and the capacitance of the 6th electric capacity is 2pf, and the capacitance of the 7th electric capacity is
0.5pf, the capacitance of the 8th electric capacity is 3pf, and the inductance value of the first inductance is 2nh, and the inductance value of the second inductance is 7nh.
4. it is used for the antenna and its match circuit of all-metal back-cover mobile phone as claimed in claim 3, it is characterised in that it is arranged on
The enclosure interior of all-metal back-cover mobile phone, the housing is all-metal housing, and the housing includes back portion, left side face
Point, right flank part, upper side part and downside part, the back portion of the housing is close to the upper side part
One end offers the first cell body, and the back portion of the housing offers the second groove in one end close to the downside part
Body, the shape of first cell body and the second cell body is identical with the shape of the antenna body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100954.9U CN206480770U (en) | 2017-01-24 | 2017-01-24 | Antenna and its match circuit for all-metal back-cover mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100954.9U CN206480770U (en) | 2017-01-24 | 2017-01-24 | Antenna and its match circuit for all-metal back-cover mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206480770U true CN206480770U (en) | 2017-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720100954.9U Active CN206480770U (en) | 2017-01-24 | 2017-01-24 | Antenna and its match circuit for all-metal back-cover mobile phone |
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| CN (1) | CN206480770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602269A (en) * | 2017-01-24 | 2017-04-26 | 昆山睿翔讯通通信技术有限公司 | All-metal back cover mobile phone antenna and coupling circuit thereof |
-
2017
- 2017-01-24 CN CN201720100954.9U patent/CN206480770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602269A (en) * | 2017-01-24 | 2017-04-26 | 昆山睿翔讯通通信技术有限公司 | All-metal back cover mobile phone antenna and coupling circuit thereof |
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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 |