CN105006647A - Composite 4G metal ring antenna - Google Patents
Composite 4G metal ring antenna Download PDFInfo
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- CN105006647A CN105006647A CN201510471634.XA CN201510471634A CN105006647A CN 105006647 A CN105006647 A CN 105006647A CN 201510471634 A CN201510471634 A CN 201510471634A CN 105006647 A CN105006647 A CN 105006647A
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Abstract
A composite 4G metal ring antenna belongs to the technical field of wireless communication. The composite 4G metal ring antenna comprises a body, an antenna bracket arranged in an accommodating cavity of the body, a metal ring arranged on the peripheral side wall of the body, a first antenna unit, a second antenna unit, a first extension antenna unit, and a second extension antenna unit, wherein the metal ring is provided with a first gap and a second gap at intervals in positions corresponding to the top of the body, the first gap and the second gap divide the metal ring into a first ring section, a second ring section and a third ring section, the first antenna unit is connected with the first ring section, the second antenna unit is connected with the third ring section, and the first extension antenna unit is connected with the first ring section. The composite 4G metal ring antenna has the following advantages: GPS, Wi-Fi, Bluetooth, LTE-4G and CDMA can be integrated, the problem regarding isolation between antennas is solved, the antenna interference is reduced, and the quality of call and the function of wireless communication of cell phones are improved; and the composite 4G metal ring antenna has a simple and reasonable overall structure, which is conductive to saving the internal space of cell phones.
Description
Technical field
The invention belongs to wireless communication technique field, be specifically related to a kind of compound 4G wireloop antenna.
Background technology
Current information technology flourish, the demand of people to electronic product is more and more diversified, and the mobile phone of metal-like has become most popular mainstay, as IPHONE6, Huawei P7, association X3 etc.Antenna is as the parts by radio wave radio signals, and one of most important assembly in radio communication device beyond doubt, antenna performance directly affects the quality of performance in wireless communication systems.In order to meet the functional requirement of user to mobile phone, universal simultaneously also along with the growing of 3G/4G technology and smart mobile phone, mobile phone is except possessing initial basic call function, also being provided with the English full name of WIFI(is: Wireless Fidelity, Chinese is: Wireless Fidelity), Bluetooth(bluetooth), (English full name is GPS: Global Positioning System, Chinese is: global positioning system), (English full name is CDMA: Code Division Multiple Access, Chinese is: code divides only many), LTE(English name is: Long Term Evolution, Chinese is: Long Term Evolution) the English full name of-4G(is: the 4th Generation mobile communication technology, Chinese is: forth generation mobile communication technology) etc. various wireless communication function, for this reason, mobile phone needs to increase antenna amount to realize the transmitting-receiving of multiple-frequency signal.
Owing to being subject to restriction that is multi-functional, the factor such as large-screen, lightening development trend and phone housing encapsulation, the mobile phone space that antenna can take is more and more less, this design being antenna for mobile phone adds a lot of difficulty, and the thinking of traditional antenna design cannot satisfy the demands.The antenna how designing frequency-adjustable in limited space becomes the developing direction of current antenna for mobile phone.The new antenna for mobile phone design that main flow mobile phone brand company proposes as apple, HTC, Huawei etc. utilizes mobile phone metal-back or metal edge frame to meet the demand of radio-frequency performance.In the metal antenna design of routine, gps antenna, WIFI antenna, Bluetooth antenna and LTE-4G antenna are separately designs, and select the good state of isolation to reduce the interference between antenna, if compatible CDMA antenna more on this basis, the isolation problem that will be more difficult to resolve certainly between each antenna is then sayed from technological layer, even need compression hardware layout or by the English full name of ID(be: Industrial Design, Chinese is: industrial design) design with the performance meeting aerial radiation.
In view of above-mentioned prior art, be necessary to be improved the structure of existing antenna for mobile phone, for this reason, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
The object of the present invention is to provide a kind of compound 4G wireloop antenna integrating GPS, WIFI, Bluetooth, LTE-4G and CDMA, simple and reasonable, occupy little space, and disturb little, radiance is excellent.
The object of the invention is to reach like this, a kind of compound 4G wireloop antenna, comprises body, is formed with container cavity in described body; Antenna holder, described antenna holder is located in container cavity, antenna holder has the first distributing point and the second distributing point; It is characterized in that: also comprise becket, described becket is located on the surrounding sidewall of body, this becket offers the first breach and the second breach at the location interval of corresponding bodies top, becket is separated into first ring section, the second ring section and the 3rd ring section by the first described breach and the second breach, the second described ring section and the 3rd ring section lay respectively at the relative both sides of first ring section, described first ring section has the first earth point, the second described ring section has the second earth point, and the 3rd described ring section has the 3rd earth point; First antenna element, one end of the first described antenna element is connected with the first described distributing point, the other end is connected with first ring section in the nearly center of first ring section; Second antenna element, the second described antenna element comprises the first antenna arm and the second antenna arm, and one end of the first described antenna arm is connected with the 3rd ring section in the position near the second breach, the other end is connected with the second antenna arm form right angle at the second distributing point place; First extends antenna element, and described first one end extending antenna element is connected with first ring section in the position near the first breach, the other end is connected with the first earth point; Second extends antenna element, described second extends antenna element is connected with first ring section in the position near the second breach, and the first described antenna element, the second antenna element, first extend antenna element and the second extension antenna element is all arranged on described antenna holder.
In a specific embodiment of the present invention, the first described antenna element and first ring spacer segment are arranged, and gap spacing is between the two greater than 0.5 millimeter and is less than 2 millimeters.
In another specific embodiment of the present invention, the length of the first described antenna element, described first ring section respectively and the first antenna element, second length and described second extended between the interface point of antenna element length sum of extending antenna element be antenna low frequency physics line length, this low frequency physics line length is the first antenna element, first ring section respectively and the first antenna element, second part and second extended between the interface point of antenna element extend 1/4 wavelength of the first resonance frequency that antenna element produces.
In another specific embodiment of the present invention, the length of the first described antenna element, described first ring section respectively and the first antenna element, first length and described first extended between the interface point of antenna element length sum of extending antenna element be antenna high-frequency physical line length, this high-frequency physical line length is the first antenna element, first ring section respectively and the first antenna element, first part and first extended between the interface point of antenna element extend 1/4 wavelength of the second resonance frequency that antenna element produces.
In another specific embodiment of the present invention, the length between corresponding first breach to the second earth point of the second described ring section is 1/4 wavelength that the first breach carries out the 3rd resonance frequency of signal coupling generation.
Also have in a specific embodiment of the present invention, length between the length of the second described antenna element and the interface point of the 3rd ring section and the second antenna element to the 3rd earth point is 1/4 wavelength of the 4th resonance frequency that the tie point of the second antenna element and the 3rd ring section and the second antenna element produces to the part between the 3rd earth point.
More of the present invention and in a specific embodiment, the length of the second described antenna arm is 1/4 wavelength of the 5th resonance frequency that the second antenna arm produces.
In an of the present invention and then specific embodiment, described body comprises protecgulum and bonnet, container cavity described in described protecgulum and bonnet coordinate installation and form, between described antenna holder and protecgulum, also circuit board is provided with in container cavity, the position of the antenna holder on the board and described in correspondence is provided with antenna headroom district, and the width in described antenna headroom district is not less than 2 millimeters; Receiver and camera is provided with in this antenna headroom district, described receiver is arranged on the side surface of circuit board towards protecgulum, and and the spacing between described first ring section is greater than 5 millimeters, described camera is arranged on the side surface of circuit board towards bonnet, and be positioned at the nearly lower position of the first described distributing point, and the spacing between the first distributing point is greater than 3 millimeters.
In an again of the present invention and then specific embodiment, in the first described breach and the second breach, be filled with working of plastics.
Of the present invention again more and in a specific embodiment, the first described antenna element, the second antenna element, first extend antenna element and second and extend antenna element and adopt the mode of laser radium carving to be arranged on described antenna holder.
The present invention is owing to have employed said structure, compared with prior art, the beneficial effect had is: can integrate GPS, WIFI, Bluetooth, LTE-4G and CDMA, solve the isolation problem between antenna, reduce antenna interference, the radio communication function such as speech quality and online of mobile phone can be improved thus; Overall structure is simple, reasonable, can save interior of mobile phone space.
Accompanying drawing explanation
Fig. 1 is overall structure cutaway view of the present invention.
Fig. 2 is overall structure schematic diagram of the present invention.
Fig. 3 is the circuit diagram of aerial radiation electric current of the present invention.
Fig. 4 is antenna headroom district of the present invention schematic diagram.
Fig. 5 is the front schematic view of an application examples of the present invention.
Fig. 6 is the reverse side schematic diagram of an application examples of the present invention.
Fig. 7 is the voltage standing wave ratio resolution chart of LTE-4G/CDMA antenna system of the present invention.
Fig. 8 is the voltage standing wave ratio resolution chart of GPS/WIFI/ Bluetooth antenna system of the present invention.
In figure: 1. body, 11. container cavities, 12. protecgulums, 13. bonnets, 14. circuit boards, 15. antenna headroom districts, 16. receivers, 17. cameras; 2. antenna holder, 21. first distributing points, 22. second distributing points; 3. becket, 31. first breach, 32. second breach, 33. first ring sections, 331. first earth points, 34. second ring sections, 341. second earth points, 35. the 3rd ring sections, 351. the 3rd earth points; 4. the first antenna element; 5. the second antenna element, 51. first antenna arms, 52. second antenna arms; 6. first extends antenna element; 7. second extends antenna element.
Embodiment
Technical spirit of the present invention and beneficial effect can be fully understood in order to make the public; applicant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the present invention's design all should be considered as protection scope of the present invention.
Refer to Fig. 1, and composition graphs 2, a kind of compound 4G wireloop antenna, comprises body 1, antenna holder 2, becket 3, first antenna element 4, second antenna element 5, first extension antenna element 6 and the second extension antenna element 7.Be formed with container cavity 11 in described body 1, described antenna holder 2 is located in container cavity 11, antenna holder 2 has the first distributing point 21 and the second distributing point 22.Described becket 3 is located on the surrounding sidewall of body 1, and this becket 3 offers the first breach 31 and the second breach 32 at the location interval at corresponding body 1 top.Becket 3 is separated into first ring section 33, second ring section 34 and the 3rd ring section 35 by the first described breach 31 and the second breach 32, the second described ring section 34 and the 3rd ring section 35 lay respectively at the relative both sides of first ring section 33, described first ring section 33 has the first earth point 331, the second described ring section 34 has the second earth point 341, and the 3rd described ring section 35 has the 3rd earth point 351.Herein, in order to reduce coupling effect, simultaneously also in order to meet the process requirements of mobile phone production firm, the gap size of the first breach 31 and the second breach 32 is 2 millimeters, and is filled with working of plastics in the first breach 31 and the second breach 32.The first described antenna element 4 and first ring section 33 interval are arranged, and gap spacing is between the two greater than 0.5 millimeter and is less than 2 millimeters, can expand the bandwidth of antenna radiation frequencies thus.One end of first antenna element 4 is connected with the first described distributing point 21, the other end is connected with first ring section 33 in the nearly center of first ring section 33.The second described antenna element 5 comprises the first antenna arm 51 and the second antenna arm 52, and one end of the first described antenna arm 51 is connected with the 3rd ring section 35 in the position near the second breach 32, the other end is connected with the second antenna arm 52 form right angle at the second distributing point 22 place.Described first one end extending antenna element 6 is connected with first ring section 33 in the position near the first breach 31, the other end is connected with the first earth point 331.Described second extends antenna element 7 is connected with first ring section 33 in the position near the second breach 32.The mode that the first described antenna element 4, second antenna element 5, first extension antenna element 6 and the second extension antenna element 7 adopt laser radium to carve is arranged on described antenna holder 2, is configured with gap between antenna holder 2 and becket 3.
Please continue to refer to Fig. 1 and Fig. 2, and composition graphs 3, described becket 3 is important component parts of antenna structure, becket 3 and the first antenna element 4, second antenna element 5, first extend antenna element 6 and second and extend antenna element 7 and produce and be coupled, and the earth point of can control the to be coupled resonance amplitude, bandwidth and the matched impedance that produce.Wherein, the first antenna element 4, first extension antenna element 6, second extension antenna element 7 and the first distributing point 21 form LTE-4G/CDMA antenna system, the antenna A namely indicated in figure.The first ring section 33 of becket 3 is the partial radiation body of this LTE-4G/CDMA antenna system, has the passive antenna that the first earth point 331, second ring section 34 is these LTE-4G/CDMA antenna systems, has the second earth point 341.Described LTE-4G/CDMA antenna system can ensure that mobile phone has good speech quality.Particularly, the length of the first described antenna element 4, described first ring section 33 and length sum that the tie point of the first antenna element 4 extends antenna element 7 to the length and described second between the second tie point extending antenna element 7 be antenna low frequency physics line length.This low frequency physics line length is the first antenna element 4, first ring section 33 and the tie point of the first antenna element 4 extend 1/4 wavelength of the first resonance frequency that antenna element 7 produces to the part and second between the second tie point extending antenna element 7.In the present embodiment, the first described resonance frequency is the resonance frequency of low frequency CDMA800MHZ.The length of the first described antenna element 4, described first ring section 33 and length sum that the tie point of the first antenna element 4 extends antenna element 6 to the length and described first between the first tie point extending antenna element 6 be antenna high-frequency physical line length, this high-frequency physical line length is the first antenna element 4, first ring section 33 and the tie point of the first antenna element 4 extend 1/4 wavelength of the second resonance frequency that antenna element 6 produces to the part and first between the first tie point extending antenna element 6, in the present embodiment, the second described resonance frequency is the resonance frequency of high frequency LTE-4G1900/2100/2300MHZ.Length between correspondence first breach 31 to the second earth point 341 of the second described ring section 34 is 1/4 wavelength that the first breach 31 carries out the 3rd resonance frequency of signal coupling generation.In the present embodiment, the 3rd described resonance frequency is the resonance frequency of high frequency LTE-4G2400/2500MHZ.The resonance frequency of high frequency LTE-4G1900/2100/2300MHZ and the resonance frequency superposition of high frequency LTE-4G2400/2500MHZ, can the higher frequency bandwidth covering LTE-4G1900/2100/2300/2400/2500MHZ be produced, make mobile phone at the operated within range of high band LTE-4G1900/2100/2300/2400/2500MHZ.In described LTE-4G/CDMA antenna system, current i flows into first ring section 33 from the first distributing point 21s first antenna element 4, then antenna element 7 is extended by first ring section 33 by physics switching inflow second, and be back to first ring section 33 through the second extension antenna element 7, aerial radiation current circuit is formed finally by the first extension antenna element 6 flows into the first earth point 331, the path of above-mentioned current i constitutes the public radiation area of low frequency and higher frequency bandwidth, by adjusting the gap spacing between the first antenna element 4 and first ring section 33, the resonant frequency bandwidth of high frequency LTE-4GLTE1900/2100/2300MHZ and low frequency CDMA800MHZ can be produced.
The second described antenna element 5 and the second distributing point 22 form GPS/WIFI/ Bluetooth antenna system, the antenna B namely indicated in figure.3rd ring section 35 of becket 3 is the partial radiation body of GPS/WIFI/ Bluetooth antenna system, has the 3rd earth point 351.Described GPS/WIFI/ Bluetooth antenna system provides the functions such as GPS location and WIFI, Bluetooth online for mobile phone.Particularly, the length of the second described antenna element 5 and the 3rd ring section 35 and 1/4 wavelength of the tie point of the second antenna element 5 is the second antenna element 5 and the 3rd ring section 35 to the length between the 3rd earth point 351 and the tie point of the second antenna element 5 produces to the part between the 3rd earth point 351 the 4th resonance frequency.In the present embodiment, the 4th described resonance frequency is the resonance frequency of GPS1575MHZ.The length of the second described antenna arm 52 is 1/4 wavelength of the 5th resonance frequency that the second antenna arm 52 produces.In the present embodiment, the 5th described resonance frequency is the resonance frequency of WIFI2.4GHZ.
Refer to Fig. 4 ~ Fig. 6, and composition graphs 2, described body 1 comprises protecgulum 12 and bonnet 13, the container cavity 11 described in described protecgulum 12 and bonnet 13 coordinate installation and form.In container cavity 11, be also provided with circuit board 14 between described antenna holder 2 and protecgulum 12, the position of the antenna holder 2 on this circuit board 14 and described in correspondence is provided with antenna headroom district 15, the width in described antenna headroom district 15 is not less than 2 millimeters.Receiver 16 and camera 17 is provided with in this antenna headroom district 15, described receiver 16 is arranged on the side surface of circuit board 14 towards protecgulum 12, and and the spacing between described first ring section 33 is greater than 5 millimeters, so not only can reduce the interference of receiver 16 pairs of antennas, the speech quality of mobile phone can be increased again.Described camera 17 is arranged on the side surface of circuit board 14 towards bonnet 13, and be positioned at the nearly lower position of the first described distributing point 21, and the spacing between the first distributing point 21 is greater than 3 millimeters, so just avoid the interference of camera 17 pairs of antennas, improve the radio communication function of mobile phone.
Refer to Fig. 7 and Fig. 8, the present invention is owing to have employed said structure, and the voltage standing wave ratio (VSWR) that described LTE-4G/CDMA antenna system is operated in 824 ~ 894MHZ and 1710 ~ 2690MH frequency range is less than 4; The voltage standing wave ratio that described GPS/WIFI/ Bluetooth antenna system is operated in 1575MHZ, 2400 ~ 2500MHZ frequency range is less than 4, meets the designing requirement of antenna, reaches goal of the invention.
Claims (10)
1.
a kind of compound 4G wireloop antenna, comprises body (1), is formed with container cavity (11) in described body (1), antenna holder (2), described antenna holder (2) is located in container cavity (11), antenna holder (2) has the first distributing point (21) and the second distributing point (22), it is characterized in that: also comprise becket (3), described becket (3) is located on the surrounding sidewall of body (1), this becket (3) offers the first breach (31) and the second breach (32) at the location interval at corresponding body (1) top, becket (3) is separated into first ring section (33) by described the first breach (31) and the second breach (32), second ring section (34) and the 3rd ring section (35), the second described ring section (34) and the 3rd ring section (35) lay respectively at the relative both sides of first ring section (33), described first ring section (33) has the first earth point (331), the second described ring section (34) has the second earth point (341), the 3rd described ring section (35) has the 3rd earth point (351), first antenna element (4), one end of described the first antenna element (4) is connected with described the first distributing point (21), the other end is connected with first ring section (33) in the nearly center of first ring section (33), second antenna element (5), described the second antenna element (5) comprises the first antenna arm (51) and the second antenna arm (52), and one end of described the first antenna arm (51) is connected with the 3rd ring section (35) in the position near the second breach (32), the other end is connected with the second antenna arm (52) form right angle at the second distributing point (22) place, first extends antenna element (6), and described first one end extending antenna element (6) is connected with first ring section (33) in the position near the first breach (31), the other end is connected with the first earth point (331), second extends antenna element (7), described second extends antenna element (7) is connected with first ring section (33) in the position near the second breach (32), and described the first antenna element (4), the second antenna element (5), first extend antenna element (6) and the second extension antenna element (7) is all arranged on described antenna holder (2).
2.
compound 4G wireloop antenna according to claim 1, it is characterized in that described the first antenna element (4) and first ring section (33) interval are arranged, and gap spacing is between the two greater than 0.5 millimeter and is less than 2 millimeters.
3.
compound 4G wireloop antenna according to claim 1, it is characterized in that the length of described the first antenna element (4), described first ring section (33) respectively with the first antenna element (4), length between the interface point of the second extension antenna element (7) and the described second length sum extending antenna element (7) are antenna low frequency physics line length, this low frequency physics line length is the first antenna element (4), first ring section (33) respectively with the first antenna element (4), second part and second extended between the interface point of antenna element (7) extends 1/4 wavelength of the first resonance frequency that antenna element (7) produces.
4.
compound 4G wireloop antenna according to claim 1, it is characterized in that the length of described the first antenna element (4), described first ring section (33) respectively with the first antenna element (4), length between the interface point of the first extension antenna element (6) and the described first length sum extending antenna element (6) are antenna high-frequency physical line length, this high-frequency physical line length is the first antenna element (4), first ring section (33) respectively with the first antenna element (4), first part and first extended between the interface point of antenna element (6) extends 1/4 wavelength of the second resonance frequency that antenna element (6) produces.
5.
compound 4G wireloop antenna according to claim 1, it is characterized in that the length between the second described ring section (34) corresponding first breach (31) to the second earth point (341), is 1/4 wavelength that the first breach (31) carries out the 3rd resonance frequency of signal coupling generation.
6.
compound 4G wireloop antenna according to claim 1, the length that it is characterized in that between the length of described the second antenna element (5) and the interface point of the 3rd ring section (35) and the second antenna element (5) to the 3rd earth point (351) is 1/4 wavelength of the 4th resonance frequency that the tie point of the second antenna element (5) and the 3rd ring section (35) and the second antenna element (5) produces to the part between the 3rd earth point (351).
7.
compound 4G wireloop antenna according to claim 1, is characterized in that the length of described the second antenna arm (52) is 1/4 wavelength of the 5th resonance frequency that the second antenna arm (52) produces.
8.
compound 4G wireloop antenna according to claim 1, it is characterized in that described body (1) comprises protecgulum (12) and bonnet (13), container cavity (11) described in described protecgulum (12) and bonnet (13) coordinate installation and form, between described antenna holder (2) and protecgulum (12), circuit board (14) is also provided with in container cavity (11), the position of the antenna holder (2) on this circuit board (14) and described in correspondence is provided with antenna headroom district (15), the width in described antenna headroom district (15) is not less than 2 millimeters, receiver (16) and camera (17) is provided with in this antenna headroom district (15), described receiver (16) is arranged on the side surface of circuit board (14) towards protecgulum (12), and and the spacing between described first ring section (33) is greater than 5 millimeters, described camera (17) is arranged on the side surface of circuit board (14) towards bonnet (13), and be positioned at the nearly lower position of described the first distributing point (21), and the spacing between the first distributing point (21) is greater than 3 millimeters.
9.
compound 4G wireloop antenna according to claim 1, is characterized in that being filled with working of plastics in described the first breach (31) and the second breach (32).
10.
compound 4G wireloop antenna according to claim 1, is characterized in that described the first antenna element (4), the second antenna element (5), first extend antenna element (6) and the second extension antenna element (7) adopts the mode of laser radium carving to be arranged on described antenna holder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510471634.XA CN105006647B (en) | 2015-08-04 | 2015-08-04 | Compound 4G wireloop antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510471634.XA CN105006647B (en) | 2015-08-04 | 2015-08-04 | Compound 4G wireloop antenna |
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| CN105006647A true CN105006647A (en) | 2015-10-28 |
| CN105006647B CN105006647B (en) | 2016-07-06 |
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| CN201510471634.XA Active CN105006647B (en) | 2015-08-04 | 2015-08-04 | Compound 4G wireloop antenna |
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| US10389010B2 (en) | 2016-07-21 | 2019-08-20 | Chiun Mai Communication Systems, Inc. | Antenna structure and wireless communication device using same |
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| CN107492708A (en) * | 2017-07-26 | 2017-12-19 | 北京小米移动软件有限公司 | Double-antenna structure, terminal shell and terminal applied to terminal |
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| US12067177B2 (en) | 2018-05-25 | 2024-08-20 | Apple Inc. | Portable computer with dynamic display interface |
| CN114302005A (en) * | 2018-08-30 | 2022-04-08 | 苹果公司 | Electronic device housing with integrated antenna |
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