CN204966672U - Cell -phone antenna and use cell -phone of this cell -phone antenna - Google Patents
Cell -phone antenna and use cell -phone of this cell -phone antenna Download PDFInfo
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- CN204966672U CN204966672U CN201520748322.4U CN201520748322U CN204966672U CN 204966672 U CN204966672 U CN 204966672U CN 201520748322 U CN201520748322 U CN 201520748322U CN 204966672 U CN204966672 U CN 204966672U
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- antenna
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Abstract
The utility model relates to a antenna technology field specifically discloses a cell -phone antenna and has used the cell -phone of this cell -phone antenna. The utility model discloses a cell -phone antenna sets up on the flexble printed circuit board, including high frequency radiating element and locate the low frequency radiating element and the parasitic element of the high frequency radiating element left and right sides respectively, high frequency radiating element includes the body part, from the first high -frequency branch that the body part is upwards extended with towards low frequency radiating element horizontal extension's second high frequency branch, and low frequency radiating element has first low frequency branch and the second low frequency branch that locates both sides about the second high frequency branch respectively. The utility model discloses a cell -phone antenna through coupled modes reasonable between the radiating element, makes the cell -phone antenna cover a plurality of frequency channels based on the design of flexble printed circuit board, has ensured the design criteria of cell -phone antenna, and need not increases the automatic tuning technique in the radio frequency circuit, and the cost is lower than the cell -phone antenna that adopts the LDS technique.
Description
[technical field]
The utility model relates to antenna technical field, particularly relates to a kind of antenna for mobile phone and uses the mobile phone of this antenna for mobile phone.
[background technology]
Along with LTE (LongTermEvolution, Long Term Evolution) flourish, antenna for mobile phone needs to support increasing frequency range, and the ID of mobile phone designs (IndustrialDesign, industrial design) and structural design limit the theory demands space of antenna for mobile phone frequency range to a certain extent, in order to ensure the design objective of antenna for mobile phone, usually adopt following two kinds of methods:
1, on radio circuit, adopt automatic tuning technology, mating between handset transmitter with antenna for mobile phone is the key that antenna for mobile phone designs, and it is better to mate, and efficiency of transmission is higher.And the equiva lent impedance of the output impedance of transmitter and antenna for mobile phone is generally unmatched, happy efficiency is passed preferably in order to ensure, between transmitter with antenna for mobile phone, generally being all connected to one mates resonant tank, by the adjustment of coupling resonant tank parameter, make transmitter and mobile phone antenna match.
2, adopt LDS (LaserDirectStructuring, laser formation) technology, antenna for mobile phone is extended on phone housing, utilizes outer casing space to debug the antenna for mobile phone satisfied the demands.Its principle is the function such as support, protection of common plastic cement element/circuit board being given electric interconnection function, supporting components and parts function and plastic casing, and the function such as shielding, antenna being combined with conductive pattern by mechanical entities and producing is incorporated into one, form 3D-MID (Three-DimensionalModuleInterconnectDevice, conformal circuit), be applicable to the making of the careful circuit in local in complicated structural design environment.
Adopt two kinds of methods above to ensure the design objective of antenna for mobile phone, all can increase the cost of mobile phone, increase difficulty to design simultaneously.
[utility model content]
The utility model is intended to overcome in prior art the defect that cost is high, design difficulty is large adopting automatic tuning technology or LDS Technology design antenna for mobile phone to cause, and provides a kind of antenna for mobile phone of improvement to design.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
On the one hand, the utility model provides a kind of antenna for mobile phone, described antenna for mobile phone is arranged on flexible printed circuit board, and comprise high frequency radiating element and be located at low frequency radiating element and the parasitic element of the described high frequency radiating element left and right sides respectively, wherein: described high frequency radiating element comprises body part, the first high-frequency branch upwards extended from described body part and the second high-frequency branch towards described low frequency radiating element horizontal expansion, and be located at the signal feed point of described high frequency radiating element, described low frequency radiating element is connected to described high frequency radiating element, and be " recessed " shape structure, there is the first low frequency branch and the second low frequency branch of being located at the described second upper and lower both sides of high-frequency branch respectively, described first low frequency branch is connected with the body part of described high frequency radiating element, described first low frequency branch and described second low frequency branch have the first gap and the second gap respectively and between described second high-frequency branch, there is between described parasitic element and described high frequency radiating element the 3rd gap, and comprise the ground feedback point being located at described parasitic element.
In certain embodiments, described body part is rectangle, and described first high-frequency branch and described second high-frequency branch extend from the upside of described body part and left vertical respectively.
In certain embodiments, described second high-frequency branch is vertical bar shaped, and its lower side is concordant with the lower side of described body part.
In certain embodiments, described second high-frequency branch is provided with recess away from one end of described body part, and the opening of described recess is towards a left side.
In certain embodiments, described first low frequency branch and described second low frequency branch are vertical bar shaped, and the bottom side of described second low frequency branch is provided with recess, described recess opening down.
In certain embodiments, the length of described second low frequency branch extends to the bottom of described parasitic element.
In certain embodiments, the shape of the right edge of the corresponding described high frequency radiating element of shape of described parasitic element, and its base is concordant with the lower side of described body part.
In certain embodiments, described signal feed point is located at the top of the first high-frequency branch.
In certain embodiments, present the top being a little located at described parasitic element describedly, and be oppositely arranged with described signal feed point.
On the other hand, the utility model provides a kind of mobile phone, comprises above-described antenna for mobile phone.
Compared with prior art, the beneficial effects of the utility model are: antenna for mobile phone of the present utility model designs based on flexible printed circuit board, using the part of board substrate as antenna for mobile phone, by coupled modes rational between radiating element, make antenna for mobile phone cover multiple frequency range, ensure the design objective of antenna for mobile phone.To flexible printed circuit board antenna for mobile phone and PCB (PrintedCircuitBoard, printed substrate) microstrip line carry out ordinary matches to complete the design of antenna, without the need to increasing automatic tuning technology in radio circuit, and cost is lower than adopting the antenna for mobile phone of LDS technology.
[accompanying drawing explanation]
Fig. 1 is the antenna structure of mobile phole schematic diagram of the utility model embodiment.
Fig. 2 is the antenna for mobile phone voltage standing wave ratio resolution chart of the utility model embodiment.
Reference numeral: 1. flexible printed circuit board, 101. signal feed points, 102. ground feedback point, 2. high frequency radiating element, 201. body parts, 202. first high-frequency branch, 203. second high-frequency branch, 3. low frequency radiating element, 301. first low frequency branch, 302. second low frequency branch, 4. parasitic element, 501. first gaps, 502. second gaps, 503. the 3rd gaps.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Directivity phrase used herein, such as but not limited to top, bottom, left and right, upper and lower, forward and backward, inside and outside etc., relates to the orientation of element illustrated in the accompanying drawings, and is not construed as limiting claims, unless otherwise clearly recording.
embodiment 1
Referring to Fig. 1, is the antenna structure of mobile phole schematic diagram of the utility model embodiment.
As shown in Figure 1, antenna for mobile phone is arranged on flexible printed circuit board 1, comprises high frequency radiating element 2, low frequency radiating element 3 and parasitic element 4.Low frequency radiating element 3 and parasitic element 4 lay respectively at the left and right sides of high frequency radiating element 2, and low frequency radiating element 3 is connected with high frequency radiating element 2.
High frequency radiating element 2 comprises body part 201, and the Liang Ge branch extended from body part 201 along different directions: the first high-frequency branch 202 and the second high-frequency branch 203.As shown in fig. 1, the first high-frequency branch 202 extends straight up from body part 201, and the second high-frequency branch 203 is towards low frequency radiating element 3 horizontal expansion, and both bearing of trends are mutually vertical.
In this embodiment, body part 201 is rectangular shape, and the first high-frequency branch 202 and the second high-frequency branch 203 are strip shape.But it will be understood by those skilled in the art that the shape of body part 201, first high-frequency branch 202 and the second high-frequency branch 203 is not limited thereto, can also be other shapes.
The low side of high frequency radiating element 2 is also provided with signal feed point 101.In this embodiment, signal feed point 101 is positioned at the end of the first high-frequency branch 202.
Low frequency radiating element 3 is connected to high frequency radiating element 2, and it also comprises Liang Ge branch: the first low frequency branch 301 and the second low frequency branch 302.First low frequency branch 301 is connected to the body part 201 of high frequency radiating element 2.Low frequency radiating element 3 is " recessed " shape structure of vertical reversion, to make the second high-frequency branch 203 of its high frequency radiating element between the first low frequency branch 301 extended parallel to each other and the second low frequency branch 302.Particularly, as shown in fig. 1, the first low frequency branch 301 is positioned at above the second high-frequency branch 203, and is connected to the left side of body part 201, and the second low frequency branch 302 is positioned at below the second high-frequency branch 203.First low frequency branch 301 and the second low frequency branch 302 are respectively and have the first gap 501 and the second gap 502 between the second high-frequency branch 203, to produce resonance between high frequency radiating element 2.
The shape of parasitic element 4 is corresponding with the right edge shape of high frequency radiating element 2.In embodiment in FIG, parasitic element 4 is in the straight bar shape of bending.Also have gap between parasitic element 4 and high frequency radiating element 2, the 3rd gap 503 namely marked in figure, to produce resonance between high frequency radiating element 2.
In the embodiment shown in fig. 1, the base of parasitic element 4 is concordant with the lower side of the body part 201 of high frequency radiating element 2.
The low side of parasitic element 4 presents a little 102 with being provided with.In embodiment shown in Fig. 1, ground feedback point 102 is located at the top of parasitic element 4, relative with the signal feed point 101 being located at the first high-frequency branch 202 top.
In the present embodiment, the lower side of the second high-frequency branch 203 is concordant with the lower side of body part 201, and the length of the second low frequency branch 302 extends beyond the body part 201 of high frequency radiating element 2, until the bottom of parasitic element 2.
In the embodiment shown in fig. 1, second high-frequency branch 203 is provided with the recess of opening towards a left side in the one end away from body part 201, the bottom side of the second low frequency branch 302 also can be provided with downward opening recess, and such design can obtain better impedance bandwidth.
It will be understood by those skilled in the art that the profile of element in the present embodiment or size are only more preferably to select, not in order to limit the utility model.
operation principle is as follows:
Parasitic element 4, by high frequency radiating element 2 couple feed, passes through flexible printed circuit board 1 signal feed between high frequency radiating element 2 and low frequency radiating element 3.
High frequency radiating element 2 is intercoupled with parasitic element 4 by the 3rd gap 503, and form high-frequency resonant, its resonance band is 2.3GHz-2.4GHz, and the resonance band of parasitic element 4 is 2.57GHz-2.26GHz; First low frequency branch 301 of low frequency radiating element 3 and the second low frequency branch 302 are coupled with the first high-frequency branch 202 respectively, form low-frequency resonant, its resonance band is 880MHz-960MHz, the resonance band of the first high-frequency branch 202 is 1710MHz-2170MHz, so just covers the resonance of GSM900, DCS1800, PCS1900, WCDMA2100 and LTE, Band38, Band39, Band40 frequency range.
Table 1 is the actual testing mobile phone antenna efficiency tables of data of the utility model embodiment, and antenna for mobile phone of the present utility model has good radiation efficiency and comparatively stable in each frequency band as can be seen from Table 1, and efficiency value mainly concentrates between 35%-59%.
Table 1: actual testing mobile phone antenna efficiency data
As shown in Figure 2, be the voltage standing wave ratio resolution chart of antenna for mobile phone of the present utility model.As can be seen from Fig. 2, the resistance matching state of feeder line and antenna for mobile phone is good, and the resonance band of this antenna for mobile phone covers the resonance of GSM900, DCS1800, PCS1900, WCDMA2100 and LTE, Band38, Band39, Band40 frequency range, achieve the performance that antenna for mobile phone covers multiband.Do not need to adopt automatic tuning technology or LDS technology to ensure the design objective of antenna for mobile phone, the cost of product can be reduced.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. an antenna for mobile phone, is characterized in that, described antenna for mobile phone is arranged on flexible printed circuit board, and comprises high frequency radiating element and be located at low frequency radiating element and the parasitic element of the described high frequency radiating element left and right sides respectively, wherein:
The first high-frequency branch that described high frequency radiating element comprises body part, upwards extend from described body part and the second high-frequency branch towards described low frequency radiating element horizontal expansion, and the signal feed point of low side being located at described high frequency radiating element,
Described low frequency radiating element is connected to described high frequency radiating element, and be " recessed " shape structure, there is the first low frequency branch and the second low frequency branch of being located at the described second upper and lower both sides of high-frequency branch respectively, described first low frequency branch is connected with the body part of described high frequency radiating element, described first low frequency branch and described second low frequency branch have the first gap and the second gap respectively and between described second high-frequency branch
There is between described parasitic element and described high frequency radiating element the 3rd gap, and comprise the ground feedback point of the low side being located at described parasitic element.
2. antenna for mobile phone as claimed in claim 1, it is characterized in that, described body part is rectangle, and described first high-frequency branch and described second high-frequency branch extend from the upside of described body part and left vertical respectively.
3. antenna for mobile phone as claimed in claim 2, it is characterized in that, described second high-frequency branch is vertical bar shaped, and its lower side is concordant with the lower side of described body part.
4. antenna for mobile phone as claimed in claim 3, it is characterized in that, described second high-frequency branch is provided with recess away from one end of described body part, and the opening of described recess is towards a left side.
5. antenna for mobile phone as claimed in claim 4, it is characterized in that, described first low frequency branch and described second low frequency branch are vertical bar shaped, and the bottom side of described second low frequency branch is provided with recess, described recess opening down.
6. antenna for mobile phone as claimed in claim 5, it is characterized in that, the length of described second low frequency branch extends to the bottom of described parasitic element.
7. antenna for mobile phone as claimed in claim 6, is characterized in that, the shape of the right edge of the corresponding described high frequency radiating element of shape of described parasitic element, and its base is concordant with the lower side of described body part.
8. antenna for mobile phone as claimed in claim 7, it is characterized in that, described signal feed point is located at the top of the first high-frequency branch.
9. antenna for mobile phone as claimed in claim 8, is characterized in that, present the top being a little located at described parasitic element describedly, and be oppositely arranged with described signal feed point.
10. a mobile phone, is characterized in that, comprise as arbitrary in claim 1-9 as described in antenna for mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748322.4U CN204966672U (en) | 2015-09-24 | 2015-09-24 | Cell -phone antenna and use cell -phone of this cell -phone antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748322.4U CN204966672U (en) | 2015-09-24 | 2015-09-24 | Cell -phone antenna and use cell -phone of this cell -phone antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966672U true CN204966672U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520748322.4U Expired - Fee Related CN204966672U (en) | 2015-09-24 | 2015-09-24 | Cell -phone antenna and use cell -phone of this cell -phone antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785650A (en) * | 2016-08-31 | 2018-03-09 | 深圳富泰宏精密工业有限公司 | Antenna structure |
| CN107978851A (en) * | 2016-10-21 | 2018-05-01 | 泰科电子日本合同会社 | Antenna |
| CN108123213A (en) * | 2016-11-26 | 2018-06-05 | 北京小米移动软件有限公司 | The antenna of terminal |
| CN108511890A (en) * | 2018-02-06 | 2018-09-07 | 深圳市摩尔环宇通信技术有限公司 | A kind of 5G multi-band mobile phone antennas |
| CN109687121A (en) * | 2018-11-27 | 2019-04-26 | 惠州Tcl移动通信有限公司 | Mobile terminal and its antenna for easily realizing multiband covering |
| CN110459860A (en) * | 2019-06-29 | 2019-11-15 | RealMe重庆移动通信有限公司 | Shell component and electronic equipment afterwards |
| CN113078454A (en) * | 2021-04-07 | 2021-07-06 | 苏州沙岸通信科技有限公司 | 5G antenna and intelligent wrist-watch |
-
2015
- 2015-09-24 CN CN201520748322.4U patent/CN204966672U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785650A (en) * | 2016-08-31 | 2018-03-09 | 深圳富泰宏精密工业有限公司 | Antenna structure |
| US10389030B2 (en) | 2016-08-31 | 2019-08-20 | Chiun Mai Communication Systems, Inc. | Antenna structure |
| CN107785650B (en) * | 2016-08-31 | 2020-05-15 | 深圳富泰宏精密工业有限公司 | Antenna structure |
| CN107978851A (en) * | 2016-10-21 | 2018-05-01 | 泰科电子日本合同会社 | Antenna |
| US10862214B2 (en) | 2016-10-21 | 2020-12-08 | Tyco Electronics Japan G.K. | Antenna |
| CN107978851B (en) * | 2016-10-21 | 2021-04-13 | 泰科电子日本合同会社 | Antenna with a shield |
| CN108123213A (en) * | 2016-11-26 | 2018-06-05 | 北京小米移动软件有限公司 | The antenna of terminal |
| CN108511890A (en) * | 2018-02-06 | 2018-09-07 | 深圳市摩尔环宇通信技术有限公司 | A kind of 5G multi-band mobile phone antennas |
| CN108511890B (en) * | 2018-02-06 | 2024-05-28 | 深圳市摩尔环宇通信技术有限公司 | 5G multi-band mobile phone antenna |
| CN109687121A (en) * | 2018-11-27 | 2019-04-26 | 惠州Tcl移动通信有限公司 | Mobile terminal and its antenna for easily realizing multiband covering |
| CN110459860A (en) * | 2019-06-29 | 2019-11-15 | RealMe重庆移动通信有限公司 | Shell component and electronic equipment afterwards |
| CN113078454A (en) * | 2021-04-07 | 2021-07-06 | 苏州沙岸通信科技有限公司 | 5G antenna and intelligent wrist-watch |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |