CN203218446U - Composite RHM-LHM PCB antenna and mobile phone provided with antenna - Google Patents
Composite RHM-LHM PCB antenna and mobile phone provided with antenna Download PDFInfo
- Publication number
- CN203218446U CN203218446U CN 201320148589 CN201320148589U CN203218446U CN 203218446 U CN203218446 U CN 203218446U CN 201320148589 CN201320148589 CN 201320148589 CN 201320148589 U CN201320148589 U CN 201320148589U CN 203218446 U CN203218446 U CN 203218446U
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Abstract
The utility model discloses a composite RHM-LHM (Right Handed Materials and Left Handed Materials) PCB antenna and a mobile phone provided with the antenna, and the PCB antenna comprises a PCB. The surface of the PCB is provided with a high frequency band radiating element, a low frequency band radiating element and a left-handed inductance grounding element; wherein the low frequency band radiating element and the left-handed inductance grounding element are respectively arranged on different surfaces of the PCB in a corresponding manner; the low frequency band radiating element is connected with the left-handed inductance grounding element; and the left-handed inductance grounding element is grounded through the PCB. A radiation pattern of the PCB antenna has good omni-directivity and can cover a wide frequency range; the restriction of an antenna area to frequency is removed, the size of the composite RHM-LHM PCB antenna can be greatly reduced, and the miniaturization development of the composite RHM-LHM PCB antenna is facilitated. Furthermore, the surface of the PCB has a small electromagnetic wave, the influence on the antenna by hand grasping is greatly reduced, requirements for the surrounding environment are reduced, and the transportability is greatly enhanced. Furthermore, a mobile phone employing the PCB antenna is also disclosed.
Description
Technical field
The utility model relates to communication technical field, particularly a kind of PCB antenna of composite left-and-right-hand material and the mobile phone with this antenna.
Background technology
The WIFI(wireless-fidelity of existing mobile phone, wireless fidelity) antenna mainly contains following three kinds of designs, 1, at plastic stent or the Monopole(monopole above the casing) antenna, PIFA antenna or IFA antenna; 2, with the pottery be the ceramic antenna of base material; 3, traditional PCB antenna.Wherein, no matter be the Monopole antenna, PIFA antenna, IFA antenna, ceramic antenna, still traditional its theoretical foundation of PCB antenna all is right hand theory or long-line theory, need bigger headroom area and height could guarantee good performance, this is to more and more thinner, more and more Jin Cou mobile phone implements very big difficulty undoubtedly.And ceramic antenna is a lot of greatly owing to the permittivity ratio of pottery common PC or ABS, therefore the size of ceramic antenna can be accomplished very little, but the cost of ceramic antenna is very high, and because its dielectric constant height, also higher to environmental requirement after its modularization, the consistency on the engineering also is not easy management and control.If the antenna of above-mentioned form wants to cover the WIFI full frequency band in addition, need a plurality of passive antennas, overall dimensions will be very big, and very complicated.
The utility model content
Main purpose of the present utility model provides a kind of PCB antenna of composite left-and-right-hand material and has the mobile phone of this antenna, and the area that is intended to eliminate antenna to dwindle antenna volume, makes antenna possess wideer bandwidth to frequency limitation.
The utility model proposes a kind of PCB antenna of composite left-and-right-hand material, comprise a PCB, the surface of this PCB is provided with high band radiating element, low frequency radiation unit and left hand inductance ground unit, wherein, described low frequency radiation unit and the left hand inductance ground unit corresponding different surfaces that is arranged on described PCB respectively; Described low frequency radiation unit is connected with left hand inductance ground unit; Described left hand inductance ground unit is by described PCB ground connection.
Preferably, described PCB is provided with the through hole that is connected with left hand inductance ground unit for for described low frequency radiation unit.
Preferably, two adjacent edges in the described high band radiating element outside along with two adjacent edges of described PCB along concordant, an edge of described low frequency radiation unit is concordant with the edge of described PCB.
Preferably, described high band radiating element is the strip setting with at least one knuckle.
Preferably, the longitudinal length of described high band radiating element is 5mm.
Preferably, described high band radiating element is 7mm away from one side and the described low-frequency range radiating element of described low-frequency range radiating element away from the distance between one side of described high band radiating element.
Preferably, described PCB adopts FR-4 epoxy glass fiber plate to make, and its thickness is 0.8mm.
Preferably, described high band radiating element, low frequency radiation unit and left hand inductance ground unit are made of copper.
The utility model further also proposes a kind of mobile phone, the PCB antenna that comprises the composite left-and-right-hand material, the PCB antenna of this composite left-and-right-hand material comprises a PCB, the surface of this PCB is provided with high band radiating element, low frequency radiation unit and left hand inductance ground unit, wherein, described low frequency radiation unit and the left hand inductance ground unit corresponding different surfaces that is arranged on described PCB respectively; Described low frequency radiation unit is connected with left hand inductance ground unit; Described left hand inductance ground unit is by described PCB ground connection.
The utility model has adopted the theory of composite left-and-right-hand material antenna, and its antenna pattern has good omni-directional, does not have the dead angle basically, can cover WIFi2.4 to 2.5GHz, 4.9 to 6GHz frequency ranges.In addition, eliminate the area of antenna to frequency limitation, can significantly reduce the PCB antenna volume of composite left-and-right-hand material.As the high band radiating element of " L " shape or " U " shape, it is the setting with at least one knuckle shape, can guarantee that high band radiating element 20 has certain length of run on the basis of the area that does not increase PCB.Left hand inductance ground unit forms the snakelike of several knuckle settings on the PCB surface and arranges, can on the basis of the length of run that guarantees left hand inductance ground unit, need not increase the area of PCB on the one hand, be conducive to the miniaturization development trend of the PCB antenna of composite left-and-right-hand material; Can also avoid some important devices on the PCB on the other hand.In addition, there is very little electromagnetic wave on this PCB surface, and the influence to antenna when holding reduces greatly, has also reduced the surrounding environment requirement, has strengthened portability greatly.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of the PCB antenna of the utility model composite left-and-right-hand material;
Fig. 2 is the structure schematic diagram of the PCB antenna of the utility model composite left-and-right-hand material.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described further with regard to the technical solution of the utility model below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of PCB antenna of composite left-and-right-hand material.
See figures.1.and.2, Fig. 1 is the Facad structure schematic diagram of the PCB antenna of the utility model composite left-and-right-hand material; Fig. 2 is the structure schematic diagram of the PCB antenna of the utility model composite left-and-right-hand material.
In the utility model embodiment, the PCB antenna of this composite left-and-right-hand material has adopted the composite left-and-right-hand material technology, the performance of antenna can embody by concrete lumped device, avoided adjusting the inaccurate problem of the precision of bringing of radiant body physical structure thus, and, adopt lumped device to substitute after the partial radiation body, reduce the influence of environment, and the overall dimensions that has dwindled whole composite right/left-handed transmission line device, and then reduced the influence of composite right/left-handed transmission line device to antenna volume.
The PCB antenna of this composite left-and-right-hand material comprises a PCB10, is formed with a high band radiating element 20, a low frequency radiation unit 30 and a left hand inductance ground unit 40 on the surface of this PCB10.Wherein, low frequency radiation unit 30 and left hand inductance ground unit 40 be the corresponding different surfaces that is arranged on PCB10 respectively, that is to say, low frequency radiation unit 30 is arranged on the surface of PCB10, left hand inductance ground unit 40 is arranged on another surface of PCB10, and projection and the left hand inductance ground unit 40 of low frequency radiation unit 30 on PCB10 overlapped.Can be the surface that high band radiating element 20 and low frequency radiation unit 30 are arranged on PCB10, left hand inductance ground unit 40 be arranged on another surface of PCB10; Also can be the surface that high band radiating element 20 and left hand inductance ground unit 40 are arranged on PCB10, low frequency radiation unit 30 be arranged on another surface of PCB10.Because the length of run of high band radiating element 20 has directly determined the size of the radiation frequency of high band radiating element 20; The size of the area of low frequency radiation unit 30 has determined the size of the radiation frequency of low-frequency range radiating element 30.Therefore, when practical application, can adjust the size of its radiation frequency by the length of run of adjusting high band radiating element 20; The area of adjusting low-frequency range radiating element 30 is adjusted the size of its radiation frequency.One end of left hand inductance ground unit 40 is by PCB10 ground connection, and the other end is connected with low-frequency range radiating element 30.Similar with high band radiating element 20, the length of run of this left hand inductance ground unit 40 has determined the size of radiation frequency of the PCB antenna of composite left-and-right-hand material, when practical application, can adjust the size of its radiation frequency by the length of run of adjusting left hand inductance ground unit 40.As shown in Figure 2, this left hand inductance ground unit 40 can form the setting of several knuckles on the PCB10 surface, and the length that only needs its length of run to satisfy regulation can satisfy antenna to the requirement of frequency.
Aborning, adopted PCB10 as base material, low production cost, the design of PCB10 is fully with reference to conventional design.High band radiating element 20, low frequency radiation unit 30 and left hand inductance ground unit 40 can or paste by traditional printing, and etching technique is formed on the PCB10 surface, and technology is simple, structurally possesses extraordinary consistency with the electrical property aspect.The utility model has adopted the theory of composite left-and-right-hand material antenna, and its antenna pattern has good omni-directional, can accomplish not have can cover WIFi2.4 to 2.5GHz in the dead angle 4.9 to 6GHz frequency ranges substantially.In addition, eliminate the area of antenna to frequency limitation, can significantly reduce the PCB antenna volume of composite left-and-right-hand material.In addition, there is very little electromagnetic wave on this PCB10 surface, and the influence to antenna when holding reduces greatly, has also reduced the surrounding environment requirement, has strengthened portability greatly.
Based on above-described embodiment, also can be provided with a through hole 11 on this PCB10, this low frequency radiation unit 30 is connected by through hole 11 with left hand inductance ground unit 40.The making of through hole 11 also is traditional process.The production method of the PCB antenna of this composite left-and-right-hand material is simple, does not have any technology barriers, is suitable for volume production.Should be emphasized that the connection between low frequency radiation unit 30 and the left hand inductance ground unit 40 is not limited to connect by above-mentioned through hole 11, also can connect by metal wire, or all can from the side connection of PCB10.
In the above-described embodiments, two adjacent edges in high band radiating element 20 outsides along with two adjacent edges of PCB10 along concordant, perhaps three adjacent edges in high band radiating element 20 outsides along with three adjacent edges of PCB10 along concordant.At least one edge of low frequency radiation unit 30 is concordant with at least one edge of PCB10.By high band radiating element 20 and low frequency radiation unit 30 setting concordant with PCB10, can avoid the waste of PCB10 area, can further dwindle the area of PCB10, dwindle the overall volume of the PCB antenna of composite left-and-right-hand material.
In the above-described embodiments, be the strip setting with at least one knuckle, as " L " shape or " U " shape, the length of run of this high band radiating element 20 (i.e. vertical section of " L " shape length sum with horizontal segment, perhaps two of " U " shape vertical length sums of section and horizontal segment).High band radiating element 20 in the present embodiment can guarantee that high band radiating element 20 has certain length of run on the basis of the area that does not increase PCB10.Left hand inductance ground unit 40 forms the snakelike of several knuckle settings on the PCB10 surface and arranges, can on the basis of the length of run that guarantees left hand inductance ground unit 40, need not increase the area of PCB10 on the one hand, be conducive to the miniaturization development trend of the PCB antenna of composite left-and-right-hand material; Can also avoid some important devices on the PCB10 on the other hand.
In the above-described embodiments, the longitudinal length (i.e. vertical section the length of " L " shape, perhaps vertical section the length of " U " shape) of the high band radiating element 20 that arranges of L-shaped or " U " shape is 5mm.Equally also can be the wide 5mm of being of PCB10.This size will have incomparable advantage in overall volume much smaller than the size of traditional antenna correspondence position.
In the above-described embodiments, high band radiating element 20 is 7mm away from one side of low-frequency range radiating element 30 and low-frequency range radiating element 30 away from distance between one side of high band radiating element 20.The length that is PCB10 is 7mm.This size will have incomparable advantage equally much smaller than the size of traditional antenna correspondence position on overall volume.
In the above-described embodiments, to adopt the most common thickness on the market be that the FR-4 epoxy glass fiber plate of 0.8mm is made to PCB10.Its material is selected convenient, is suitable for large batch of production.
In the above-described embodiments, high band radiating element 20, low frequency radiation unit 30 and left hand inductance ground unit 40 adopt metal materials such as gold, silver, copper to make.Be preferably copper.
The utility model further also proposes a kind of mobile phone, this mobile phone comprises the PCB antenna of the composite left-and-right-hand material in above-described embodiment, because the PCB antenna of the composite left-and-right-hand material of this mobile phone has adopted whole technical schemes of above-described embodiment, therefore all beneficial effects of bringing of the technical scheme of above-described embodiment, the mobile phone of present embodiment also all has, and therefore gives unnecessary details no longer one by one at this.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (9)
1. the PCB antenna of a composite left-and-right-hand material, it is characterized in that, comprise a PCB, the surface of this PCB is provided with high band radiating element, low frequency radiation unit and left hand inductance ground unit, wherein, described low frequency radiation unit and the left hand inductance ground unit corresponding different surfaces that is arranged on described PCB respectively; Described low frequency radiation unit is connected with left hand inductance ground unit; Described left hand inductance ground unit is by described PCB ground connection.
2. the PCB antenna of composite left-and-right-hand material as claimed in claim 1 is characterized in that, described PCB is provided with the through hole that is connected with left hand inductance ground unit for for described low frequency radiation unit.
3. the PCB antenna of composite left-and-right-hand material as claimed in claim 2 is characterized in that, two adjacent edges in the described high band radiating element outside along with two adjacent edges of described PCB along concordant, an edge of described low frequency radiation unit is concordant with the edge of described PCB.
4. the PCB antenna of composite left-and-right-hand material as claimed in claim 3 is characterized in that, described high band radiating element is the strip setting with at least one knuckle.
5. the PCB antenna of composite left-and-right-hand material as claimed in claim 4 is characterized in that, the longitudinal length of described high band radiating element is 5mm.
6. the PCB antenna of composite left-and-right-hand material as claimed in claim 3, it is characterized in that described high band radiating element is 7mm away from one side and the described low-frequency range radiating element of described low-frequency range radiating element away from the distance between one side of described high band radiating element.
7. the PCB antenna of composite left-and-right-hand material as claimed in claim 3 is characterized in that, described PCB adopts FR-4 epoxy glass fiber plate to make, and its thickness is 0.8mm.
8. as the PCB antenna of any described composite left-and-right-hand material in the claim 1 to 7, it is characterized in that described high band radiating element, low frequency radiation unit and left hand inductance ground unit are made of copper.
9. a mobile phone is characterized in that, comprises the PCB antenna as any described composite left-and-right-hand material in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148589 CN203218446U (en) | 2013-03-28 | 2013-03-28 | Composite RHM-LHM PCB antenna and mobile phone provided with antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148589 CN203218446U (en) | 2013-03-28 | 2013-03-28 | Composite RHM-LHM PCB antenna and mobile phone provided with antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203218446U true CN203218446U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320148589 Expired - Lifetime CN203218446U (en) | 2013-03-28 | 2013-03-28 | Composite RHM-LHM PCB antenna and mobile phone provided with antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN203218446U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158494A (en) * | 2014-09-08 | 2014-11-19 | 王少夫 | Oscillator circuit |
| WO2016033756A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Composite right/left-handed transmission line antenna |
| CN108400430A (en) * | 2018-02-06 | 2018-08-14 | 中兴通讯股份有限公司 | A kind of antenna assembly and terminal |
| CN108448234A (en) * | 2018-01-25 | 2018-08-24 | 西安电子科技大学 | The three frequency range MIMO terminal antennas based on composite left-and-right-hand transmission line structure |
-
2013
- 2013-03-28 CN CN 201320148589 patent/CN203218446U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016033756A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Composite right/left-handed transmission line antenna |
| US10483642B2 (en) | 2014-09-03 | 2019-11-19 | Huawei Technologies Co., Ltd. | Composite right/left-handed transmission line antenna |
| US11322842B2 (en) | 2014-09-03 | 2022-05-03 | Huawei Technologies Co., Ltd. | Composite right/left-handed transmission line antenna |
| CN104158494A (en) * | 2014-09-08 | 2014-11-19 | 王少夫 | Oscillator circuit |
| CN108448234A (en) * | 2018-01-25 | 2018-08-24 | 西安电子科技大学 | The three frequency range MIMO terminal antennas based on composite left-and-right-hand transmission line structure |
| CN108448234B (en) * | 2018-01-25 | 2020-09-15 | 西安电子科技大学 | Three-frequency-band MIMO terminal antenna based on composite left-right-hand transmission line structure |
| CN108400430A (en) * | 2018-02-06 | 2018-08-14 | 中兴通讯股份有限公司 | A kind of antenna assembly and terminal |
| CN108400430B (en) * | 2018-02-06 | 2021-08-17 | 中兴通讯股份有限公司 | Antenna device and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |