CN104638343A - Antenna device of electronic equipment with all-metal structure - Google Patents
Antenna device of electronic equipment with all-metal structure Download PDFInfo
- Publication number
- CN104638343A CN104638343A CN201510031615.5A CN201510031615A CN104638343A CN 104638343 A CN104638343 A CN 104638343A CN 201510031615 A CN201510031615 A CN 201510031615A CN 104638343 A CN104638343 A CN 104638343A
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- 239000002184 metal Substances 0.000 title claims abstract description 112
- 238000010276 construction Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 4
- 230000003071 parasitic effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims 2
- 238000004891 communication Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The invention relates to an antenna device of electronic equipment with an all-metal structure. The antenna device comprises a metal shell, a metal antenna bracket and a screen supporting frame, wherein the metal shell and the metal antenna bracket are separated by a gap; the screen supporting frame is provided with an auxiliary antenna and a coupling antenna; the auxiliary antenna is connected with the metal antenna bracket by a contact resilient sheet; the coupling antenna is connected with a metal part of the screen supporting frame by a metal screw or is connected with the metal shell by the contact resilient sheet through a metal screw; a feed terminal is connected with the metal antenna bracket and is used for carrying out energy feed on an antenna; the metal antenna bracket is connected with a printing circuit board by an antenna grounding point; an audio frequency module unit and a USB (Universal Serial Bus) interface are arranged at the inner side of the metal antenna bracket; the metal shell is in contact with the metal part of the screen supporting frame by a grounding metal resilient sheet. The antenna device of the electronic equipment with the all-metal structure has the characteristic of good adjustability, and low-frequency and high-frequency whole-frequency-band communication performances can be realized; meanwhile, the influences on the antenna caused by hands in a handholding process can be reduced. The antenna device has a compact and simple structure.
Description
Technical field
The present invention relates to antenna technical field, particularly relate to a kind of antenna assembly of all-metal construction electronic equipment.
Background technology
Rapidly universal along with wireless terminal device, the shape requirement of consumer to terminal machine is more and more higher, and metal fuselage machine is especially favored due to the texture of itself.A lot of cell phone manufacturer utilizes the metal edge frame of mobile phone and metal fuselage to be used as antenna for mobile phone, if but machine shape is once sizing, antenna length will be caused to be difficult to change, switched antenna frequency range must be carried out by means of active methods such as tuning chips, add the requirement that current mobile phone needs to support the frequency ranges such as 2G/3G/4G/GPS/WIFI, make the adjustability of antenna become more difficult.
Summary of the invention
The object of this invention is to provide a kind of antenna assembly of all-metal construction electronic equipment, antenna can be made to possess the good feature of adjustability.Gap between metal antenna support and metal shell produces low-frequency resonant and frequency-doubled signal thereof, and the auxiliary antenna simultaneously on screen support and coupled antenna produce high-frequency signal; This metal fuselage electronic equipment can realize low high frequency full frequency band communication performance whereby; Simultaneously because auxiliary antenna and coupled antenna are positioned at screen side, under can reducing hand holding state, staff is on the impact of antenna; Compact conformation of the present invention is simple.
The antenna assembly of all-metal construction electronic equipment provided by the invention comprises metal shell, metal antenna support, screen support; Isolated by micro gap between metal shell and metal antenna support; Screen support is arranged auxiliary antenna and coupled antenna; Auxiliary antenna and coupled antenna are used for expanding low frequency bandwidth and producing high-frequency coupling parasitic element; Be connected to metal antenna support by current feed terminal and do energy feed-in to antenna, current feed terminal is positioned on the printed circuit board (PCB) below metal antenna support; Audio frequency module group unit and USB interface etc. are set inside antenna area; Metal antenna support is connected with printed circuit board (PCB) by antenna ground point; Metal shell is contacted with screen support by grounding elastic part.
Antenna radiation unit is made up of two parts: Part I and metal antenna support and and described metal shell between gap, Part II is auxiliary antenna and the coupled antenna of screen side; The resonance band of low high frequency is realized together by metal antenna support and gap, auxiliary antenna and coupled antenna.The limitation of the bandwidth of all-metal antenna own is made up by arranging auxiliary antenna and coupled antenna.
Auxiliary antenna can be made up of two sections of cablings of the screen support plastic portions left and right sides, also can be one of them, be connected respectively by contact flat spring with metal antenna support;
Coupled antenna is positioned on screen support plastic portions, is connected with screen support metallic member by metal screw, also can be connected with metal shell by contact flat spring;
Described metal antenna support with connect between described current feed terminal or parallel passive device.
Isolated by a gap between described metal shell and metal antenna support, this gap material can be the nonmetal medium materials such as PC or FR4, is connected as a whole by this gap by metal shell with metal antenna support; Described current feed terminal, antenna ground point, contact flat spring and metal shell earth point are located at the inside of described electronic equipment;
The invention provides the electronic equipment of the antenna assembly being provided with all-metal construction electronic equipment, i.e. radio frequency unit, described radio frequency unit comprises the antenna assembly in above-mentioned implementation.
The invention provides a kind of antenna assembly of all-metal construction electronic equipment, antenna can be made to possess the good feature of adjustability.Gap between metal antenna support and metal shell produces low-frequency resonant and frequency-doubled signal thereof, and the auxiliary antenna simultaneously on screen support and coupled antenna produce high-frequency signal; This metal fuselage electronic equipment can realize low high frequency full frequency band communication performance whereby; Simultaneously because auxiliary antenna and coupled antenna are positioned at screen side, under can reducing hand holding state, staff is on the impact of antenna; Above-mentioned metal structure antenna particularly can be made easily to debug.Compact conformation of the present invention is simple.
Accompanying drawing explanation
Fig. 1 is the front view of example of the present invention.
Fig. 2 is the rear view of example of the present invention.
Fig. 3 is the end view of example of the present invention.
Embodiment:
Below with reference to the accompanying drawings and in conjunction with the embodiments detailed, complete description is carried out to the present invention; The experimental technique of unreceipted actual conditions in embodiment, usually conveniently condition and the condition described in handbook, or according to the condition that manufacturer advises.Used unit is being not particularly illustrated, and is commercially available.
As shown in the figure, the antenna assembly of this all-metal construction electronic equipment comprises metal shell (peripheral member) 1, metal antenna support 2, gap 3, screen support plastic portions 4, first auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7, second coupled antenna 8, first contact flat spring 9, second contact flat spring 10, metal screw 11, screen support metallic member 12, 3rd contact flat spring 13, screen support 14, screen 15, current feed terminal 16, antenna ground point 17, printed circuit board (PCB) 18, audio frequency module group unit and usb 19, first grounding elastic part 20 of metal shell, second grounding elastic part 21, 3rd grounding elastic part 22, 4th grounding elastic part 23, 5th grounding elastic part 24, 6th grounding elastic part 25,
Isolated by a small gap 3 between metal shell 1 and metal antenna support 2; Screen support plastic portions 4 is arranged the first auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7 and the second coupled antenna 8, first auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7 and the second coupled antenna 8 are used for expanding low frequency bandwidth and high frequency bandwidth, be connected to metal antenna support 2 pairs of antennas by current feed terminal 16 and do energy feed-in, current feed terminal 16 is positioned on the printed circuit board (PCB) 18 below metal antenna support 2; Below metal antenna support 2, inner side arranges audio frequency module group unit and usb 19; Metal antenna support 2 is connected with printed circuit board (PCB) 18 by antenna ground point 17; Metal shell 1 is contacted with screen support metallic member 12 by metal shell first grounding elastic part 20, second grounding elastic part 21, the 3rd grounding elastic part 22, the 4th grounding elastic part 23, the 5th grounding elastic part 24, the 6th grounding elastic part 25.
Adopt such scheme, can find out, the radiation component of all-metal construction antenna comprises metal antenna support 2 and the first auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7, second coupled antenna 8 and gap 3;
Above-mentioned first auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7, the material of the second coupled antenna 8 can be stainless steel, almag or other electric conducting material, its position is positioned on screen support plastic portions 4, by the first contact flat spring 9, second contact flat spring 10, metal antenna support 2 is connected together with the first auxiliary antenna 5, second auxiliary antenna 6, by metal screw 11, first coupled antenna 7 is connected together with screen support metallic member 12, by contact flat spring 13, second coupled antenna 8 is connected together with metal shell 1; First auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7, second coupled antenna 8 technique can be realized by modes such as flexible printed circuit board (FPC) or laser direct structuring techniques (LDS).
Choosing of antenna ground point 17, in example of the present invention, metal antenna support 2 is connected to the ground by antenna ground point 17, it should be noted that, antenna ground point 17 needs the suitable place on printed circuit board (PCB) 18 to choose according to debugging.
Choosing of metal shell 1 earth point, in example of the present invention, metal shell 1 is connected to the ground by the first grounding elastic part 20, second grounding elastic part 21 of metal shell, the 3rd grounding elastic part 22, the 4th grounding elastic part 23, the 5th grounding elastic part 24, the 6th grounding elastic part 25, can guarantee that metal shell ground connection is good, make metal shell 1 become the part on main ground.
In embodiments of the present invention, when metal antenna support 2 is as the radiating element of antenna, the point of maximum electric field of low-and high-frequency resonance, generally within support, when conversing under hand holding state, may cause aerial signal extreme difference and dropped calls, and the first auxiliary antenna 5, the increase of the second auxiliary antenna 6, first coupled antenna 7, second coupled antenna 8 can make point of maximum electric field shift, performance under head fingerprint state also can improve, and avoids the generation of above-mentioned situation;
In sum, utilize metal antenna support 2, metal shell 1, gap 3, first auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7, second coupled antenna 8 between metal antenna support 2, makes the frequency band of antenna expand further.
The frequency of antenna resonance can by the width in gap 3 and the first auxiliary antenna 5, second auxiliary antenna 6, first coupled antenna 7, the length of the second coupled antenna 8 regulates, the bandwidth of antenna and the matching degree with rear end radio circuit can also be regulated by the mode increasing passive device (as serial capacitors and inductance, and electric capacity crosstalk sense) at distributing point place.
Composition graphs 1, Fig. 2 and Fig. 3, the present invention can also be suitable for a kind of electronic equipment comprising any one antenna possibility implementation above-mentioned; This equipment can be the terminal communication device such as mobile phone, panel computer; Because antenna implementation is similar to the above, repeat no more.
Claims (10)
1. an antenna assembly for all-metal construction electronic equipment, comprises metal shell, metal antenna support, and screen support, is characterized in that: isolated by gap (3) between metal shell (1) and metal antenna support (2); Screen support plastic portions (4) is arranged the first auxiliary antenna (5), the second auxiliary antenna (6), the first coupled antenna (7), the second coupled antenna (8); First auxiliary antenna (5) is connected with metal antenna support (2) by the first contact flat spring (9), and the second auxiliary antenna (6) is connected with metal antenna support (2) by the second contact flat spring (10); First coupled antenna (7) is connected with screen support metallic member (12) by metal screw (11), and the second coupled antenna (8) is connected with metal shell (1) by the 3rd contact flat spring (13); Screen support plastic portions (4) and screen support metallic member (12) form screen support (14), screen support (14) is used for support screen (15), current feed terminal (16) is connected to metal antenna support (2) and does energy feed-in to antenna, and metal antenna support (2) is connected with printed circuit board (PCB) (18) by antenna ground point (17); Current feed terminal (16), antenna ground point (17) are all positioned on the printed circuit board (PCB) (18) below metal antenna support; Metal antenna support (2) inner side arranges audio frequency module group unit and USB interface (19); Metal shell (1) is contacted with screen support metallic member (12) by grounded metal shell fragment.
2. the antenna assembly of all-metal construction electronic equipment according to claim 1, it is characterized in that: the first auxiliary antenna (5) and the second auxiliary antenna (6) lay respectively at the left and right sides of screen support plastic portions (4), are connected with metal antenna support (2) respectively by the first contact flat spring (9), the second contact flat spring (10).
3. the antenna assembly of all-metal construction electronic equipment according to claim 1, it is characterized in that: the first coupled antenna (7) is positioned on screen support plastic portions (4), be connected with screen support metallic member (12) by metal screw (11), form the parasitic element of antenna.
4. the antenna assembly of all-metal construction electronic equipment according to claim 1, it is characterized in that: the second coupled antenna (8) is positioned on screen support plastic portions (4), be connected with metal shell (1) by the 3rd contact flat spring (13), form the another one parasitic element of antenna.
5. the antenna assembly of all-metal construction electronic equipment according to claim 1, is characterized in that: described first auxiliary antenna (5) and the second auxiliary antenna (6) only have one of them or both have; Described first coupled antenna (7), the second coupled antenna (8) only have one of them or both have.
6. the antenna assembly of all-metal construction electronic equipment according to claim 1, it is characterized in that: the first auxiliary antenna (5), the second auxiliary antenna (6), the first coupled antenna (7), the second coupled antenna (8), combination in any and the metal antenna support (2) of these four parts form antenna cabling.
7. the antenna assembly of all-metal construction electronic equipment according to claim 1, is characterized in that: described metal antenna support (2) is connected or parallel passive device with between described current feed terminal (16).
8. the antenna assembly of all-metal construction electronic equipment according to claim 1, is characterized in that: described grounded metal shell fragment is the first grounding elastic part (20), the second grounding elastic part (21), the 3rd grounding elastic part (22), the 4th grounding elastic part (23), the 5th grounding elastic part (24), the 6th grounding elastic part (25).
9. the antenna assembly of all-metal construction electronic equipment according to claim 1, is characterized in that: described auxiliary antenna, the material of coupled antenna are stainless steel, almag or other electric conducting material.
10. an electronic equipment, is characterized in that comprising radio frequency unit, and described radio frequency unit comprises the arbitrary described antenna assembly of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031615.5A CN104638343B (en) | 2015-01-22 | 2015-01-22 | The antenna assembly of all-metal construction electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031615.5A CN104638343B (en) | 2015-01-22 | 2015-01-22 | The antenna assembly of all-metal construction electronic equipment |
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| Publication Number | Publication Date |
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| CN104638343A true CN104638343A (en) | 2015-05-20 |
| CN104638343B CN104638343B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510031615.5A Active CN104638343B (en) | 2015-01-22 | 2015-01-22 | The antenna assembly of all-metal construction electronic equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024146A (en) * | 2015-08-12 | 2015-11-04 | 宇龙计算机通信科技(深圳)有限公司 | Combined antenna system and mobile terminal |
| CN105186133A (en) * | 2015-07-16 | 2015-12-23 | 深圳天珑无线科技有限公司 | Antenna communication system and electronic device |
| WO2017000336A1 (en) * | 2015-06-30 | 2017-01-05 | 宇龙计算机通信科技(深圳)有限公司 | Antenna and mobile terminal having same |
| CN106981724A (en) * | 2017-01-19 | 2017-07-25 | 瑞声科技(新加坡)有限公司 | Antenna and mobile terminal |
| CN108713277A (en) * | 2017-03-20 | 2018-10-26 | 华为技术有限公司 | A kind of antenna and mobile terminal of mobile terminal |
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| KR20090116030A (en) * | 2008-05-06 | 2009-11-11 | 삼성전자주식회사 | Mobile terminal having a metal case and its antenna structure |
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| CN204668452U (en) * | 2015-04-27 | 2015-09-23 | 深圳市大显科技有限公司 | A kind of combination utilizes the antenna for mobile phone of mobile phone frame |
| CN205050981U (en) * | 2015-01-22 | 2016-02-24 | 讯创(天津)电子有限公司 | Full metallic structure terminal communications facilities's antenna device and electronic equipment thereof |
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2015
- 2015-01-22 CN CN201510031615.5A patent/CN104638343B/en active Active
Patent Citations (6)
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| KR20090116030A (en) * | 2008-05-06 | 2009-11-11 | 삼성전자주식회사 | Mobile terminal having a metal case and its antenna structure |
| EP2387104A1 (en) * | 2010-05-10 | 2011-11-16 | Samsung Electronics Co., Ltd. | Communication terminal and antenna apparatus thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000336A1 (en) * | 2015-06-30 | 2017-01-05 | 宇龙计算机通信科技(深圳)有限公司 | Antenna and mobile terminal having same |
| CN105186133A (en) * | 2015-07-16 | 2015-12-23 | 深圳天珑无线科技有限公司 | Antenna communication system and electronic device |
| CN105024146A (en) * | 2015-08-12 | 2015-11-04 | 宇龙计算机通信科技(深圳)有限公司 | Combined antenna system and mobile terminal |
| CN105024146B (en) * | 2015-08-12 | 2017-09-08 | 宇龙计算机通信科技(深圳)有限公司 | combined antenna system and mobile terminal |
| CN106981724A (en) * | 2017-01-19 | 2017-07-25 | 瑞声科技(新加坡)有限公司 | Antenna and mobile terminal |
| CN108713277A (en) * | 2017-03-20 | 2018-10-26 | 华为技术有限公司 | A kind of antenna and mobile terminal of mobile terminal |
| CN108713277B (en) * | 2017-03-20 | 2021-02-26 | 华为技术有限公司 | Antenna of mobile terminal and mobile terminal |
| US11069955B2 (en) | 2017-03-20 | 2021-07-20 | Huawei Technologies Co., Ltd. | Antenna of mobile terminal and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104638343B (en) | 2017-10-17 |
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Denomination of invention: Antenna devices for all metal structured electronic devices Effective date of registration: 20230614 Granted publication date: 20171017 Pledgee: Tianjin Zhongguancun Science and Technology Financing Guarantee Co.,Ltd. Pledgor: INNETECH (TIANJIN) ELECTRONICS Co.,Ltd. Registration number: Y2023120000040 |
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Granted publication date: 20171017 Pledgee: Tianjin Zhongguancun Science and Technology Financing Guarantee Co.,Ltd. Pledgor: INNETECH (TIANJIN) ELECTRONICS Co.,Ltd. Registration number: Y2023120000040 |
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Denomination of invention: Antenna devices for all metal structured electronic devices Granted publication date: 20171017 Pledgee: Tianjin Zhongguancun Science and Technology Financing Guarantee Co.,Ltd. Pledgor: INNETECH (TIANJIN) ELECTRONICS Co.,Ltd. Registration number: Y2024120000048 |
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