WO2014161260A1 - 一种接地结构及旋转式无线网卡 - Google Patents
一种接地结构及旋转式无线网卡 Download PDFInfo
- Publication number
- WO2014161260A1 WO2014161260A1 PCT/CN2013/081939 CN2013081939W WO2014161260A1 WO 2014161260 A1 WO2014161260 A1 WO 2014161260A1 CN 2013081939 W CN2013081939 W CN 2013081939W WO 2014161260 A1 WO2014161260 A1 WO 2014161260A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insulating film
- metal
- main board
- grounding structure
- access terminal
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 claims abstract description 70
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001808 coupling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2275—Supports; Mounting means by structural association with other equipment or articles used with computer equipment associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
- H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
Definitions
- the present invention relates to a wireless terminal product technology, and in particular to a ground structure and a rotary wireless network card. Background technique
- wireless network cards as an important part of wireless networks, can help users access wireless networks anytime and anywhere, so their business needs are more and more extensive.
- users' requirements for wireless network cards are not only the performance of wireless network cards, but also the requirements for their appearance.
- USB Universal Serial Bus
- the in-line wireless network card usually adopts a cap-type design to avoid damage caused by the USB interface being exposed, but the cap is easily lost; and the rotary wireless network card is internally provided with a rotating shaft, so that when the wireless network card is not in use, the USB interface can be rotated to In the wireless network card body, it is not easy to damage the USB interface when saving.
- the metal dome fixed by the hot-melt method inside the rotating wireless network card structure member needs to maintain a certain upward tilt angle to ensure that the metal dome can be well connected with the metal shield of the main board.
- the upward warping angle of the metal shrapnel is not guaranteed to be completely uniform, which results in a low consistency of the rotary wireless network card, and its antenna performance in the low frequency band is relatively poor compared with the in-line wireless network card.
- the main purpose of the embodiments of the present invention is to provide a grounding structure and a rotating wireless network card, which can solve the problem of poor consistency of the rotating wireless network card, and can effectively improve the sensitivity of the low frequency band antenna.
- the embodiment of the present invention provides a grounding structure, which is applied to a rotating wireless access terminal, where the wireless access terminal includes at least: a structural component, a motherboard of the wireless access terminal disposed in the structural component, and a metal rotating shaft, the metal rotating shaft is connected to an external interface of the wireless access terminal; the grounding structure comprises a metal elastic piece and an insulating film; one end of the metal elastic piece is connected to the metal rotating shaft, and the other end is passed through the insulating The film is coupled to the ground on the motherboard.
- the other end is coupled to the ground on the main board through the insulating film:
- the insulating film is disposed on a copper exposed area on the main board.
- the wireless access terminal further includes a circuit shielding cover disposed on the main board; correspondingly, the other end is coupled to the ground on the main board through the insulating film:
- the insulating film is disposed on the circuit shielding cover.
- the other end of the metal dome is provided with an elastic elastic foot, and the elastic elastic foot contacts the insulating film.
- the metal dome is fixed to the structural member by hot melt.
- the embodiment of the invention further provides a rotary wireless network card, and the rotary wireless network card comprises the foregoing ground structure.
- the grounding structure and the rotary wireless network card provided by the embodiments of the present invention are compared with the prior art.
- the ground of the wireless access terminal main board and the metal shrapnel are capacitively coupled to form a new loop, thereby effectively eliminating the interference generated by the radio frequency current flowing through the main board.
- the loop effect effectively solves the problem of poor performance of the low frequency band of the built-in antenna and improves the sensitivity of the low-band antenna.
- FIG. 1 is a schematic view of a grounding structure according to a first embodiment of the present invention
- FIG. 2 is a schematic diagram of a ground structure according to a second embodiment of the present invention. detailed description
- the basic idea of the embodiment of the present invention is: by changing the grounding mode of the main board, the grounding of the main board and the metal shrapnel are coupled to each other to form a capacitive coupling effect, thereby forming a new loop, thereby effectively eliminating the RF current flowing through the main board.
- the resulting interference loop effect effectively solves the problem of poor performance of the low frequency band of the built-in antenna.
- FIG. 1 is a schematic diagram of a grounding structure according to a first embodiment of the present invention; as shown in FIG. 1, the embodiment is applied to a rotary wireless network card, and the wireless network card includes: a structural member 1 disposed on the structural member 1 The main board 2 of the wireless network card and the metal rotating shaft 3, the metal rotating shaft 3 is connected to the USB interface 4 of the wireless network card; the grounding structure comprises a metal elastic piece 5 and an insulating film 6;
- the metal dome 5 has one end connected to the metal rotating shaft 3 and the other end coupled to the ground on the main board 2 via the insulating film 6.
- a region where the main board and the metal dome 5 are coupled to each other is exposed to copper;
- the insulating film 6 is disposed on the exposed copper area on the main board 2;
- the other end of the metal elastic piece 5 is provided with an elastic elastic foot, and the elastic elastic foot and the The insulating film 6 is in contact.
- one end of the metal dome 5 is connected to the metal rotating shaft 3, the metal rotating shaft is approximately cylindrical or approximately square tubular, and a small circular column/small square column is embedded in a large circular column/ Inside the large square column, the small circular column/small square column is fixed, the large circular column/large square column is rotated, and the metal dome 5 and one end of the small circular column/small square column are rotated.
- the external interface 4 of the wireless network card is connected to the small circular column/small square column by a metal wire.
- the other end of the metal dome 5 is coupled to the copper layer of the grounding layer on the main board 2 through the insulating film 6.
- the grounding copper on the main board and the metal dome 5 are capacitively coupled.
- a new loop is formed, which can effectively eliminate the interference loop effect generated by the RF current flowing through the main board, and can effectively solve the problem of poor performance of the low frequency band of the built-in antenna.
- the front and back sides of the main board 2 are grounded with a grounding layer. Therefore, the coupling area of the metal dome 5 and the main board 2 may select the front side of the main board 2 according to the design layout of the main board 2. The opposite.
- the metal dome 5 is disposed on the structural member 1 by a hot melt method; the coupling area of the metal dome 5 and the exposed copper region on the main board 2 can be adjusted according to the design layout of the main board 2, However, the larger the area of the coupling, the better the performance of the low frequency band of the built-in antenna.
- the insulating film 6 can be adhesively adhered to the exposed copper area on the main board 2.
- the area and thickness of the insulating film 6 can be adjusted according to the design layout of the main board 2, but the The area of the insulating film 6 is larger than the area of the coupling connection between the metal dome 5 and the main board 2, so that the metal dome 5 and the exposed copper area on the main board 2 are not in direct contact; and the insulating film is pasted. 6 adhesives can be selected for all insulating adhesives.
- the wireless network card includes: a structural member 1 disposed on the structural member.
- the ground structure comprises a metal dome 5 and an insulating film 6;
- the metal dome 5 has one end connected to the metal rotating shaft 3 and the other end coupled to the ground on the main board 2 via the insulating film 6.
- the wireless network card further includes a circuit shielding cover 7 disposed on the main board; correspondingly, the other end is coupled to the ground on the main board through the insulating film, and the insulating film 6 is disposed.
- a circuit shielding cover 7 disposed on the main board; correspondingly, the other end is coupled to the ground on the main board through the insulating film, and the insulating film 6 is disposed.
- the other end of the metal dome 5 is provided with an elastic elastic foot which is in contact with the insulating film 6 through the elastic elastic foot.
- one end of the metal dome 5 is connected to the metal rotating shaft 3, the metal rotating shaft is approximately cylindrical or approximately square tubular, and a small circular column/small square column is embedded in a large circular column/ Inside the large square column, the small circular column/small square column is fixed, the large circular column/large square column is rotated, and the metal dome 5 and one end of the small circular column/small square column are rotated.
- the external interface 4 of the wireless network card is connected to the small circular column/small square column by a metal wire.
- the other end of the metal dome 5 is coupled to the circuit shield 7 of the main board 2 through the insulating film 6.
- the metal shield 7 and the metal dome 5 are capacitively coupled to form a new one.
- the loop can effectively eliminate the interference loop effect generated by the RF current flowing through the main board, and can effectively solve the problem of poor performance of the low frequency band of the built-in antenna.
- the circuit shielding cover of the main board comprises a radio frequency circuit shielding cover on the main board.
- the metal dome 5 is disposed on the structural member 1 by means of a hot melt; the coupling area of the metal dome 5 and the metal shield 7 on the main board 2 can be adjusted according to the design layout of the main board 2. However, the larger the area of the coupling, the better the performance of the low frequency band of the built-in antenna.
- the insulating film 6 is adhesively adhered to the metal shield 7 of the main board 2.
- the area and thickness of the insulating film 6 can be adjusted according to the design layout of the main board 2, but the The area of the insulating film 6 is larger than the metal dome 5 and the main board 2
- the area of the coupling connection of the metal shield 7 is such that the metal dome 5 and the metal shield 7 of the main board 2 are not in direct contact; and the adhesive for bonding the insulating film 6 can select all insulating adhesives. .
- the grounding manner of the main board of the wireless access terminal is changed, so that the ground of the wireless access terminal main board and the metal dome generate a capacitive coupling effect, thereby forming a new loop, thereby effectively eliminating the radio frequency flowing through the main board.
- the disturbing loop effect generated by the current effectively solves the problem of poor performance of the low frequency band of the built-in antenna and improves the sensitivity of the low-band antenna.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Details Of Aerials (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Transceivers (AREA)
- Support Of Aerials (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016522182A JP6283103B2 (ja) | 2013-07-01 | 2013-08-21 | 接地構造および回転型無線ネットワークカード |
EP13881089.0A EP3018972B1 (en) | 2013-07-01 | 2013-08-21 | Grounding structure and rotary wireless network card |
US14/901,836 US9755304B2 (en) | 2013-07-01 | 2013-08-21 | Grounding structure and rotary wireless network card |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310272323.1 | 2013-07-01 | ||
CN201310272323.1A CN104284454B (zh) | 2013-07-01 | 2013-07-01 | 一种接地结构及旋转式无线网卡 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014161260A1 true WO2014161260A1 (zh) | 2014-10-09 |
Family
ID=51657458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/081939 WO2014161260A1 (zh) | 2013-07-01 | 2013-08-21 | 一种接地结构及旋转式无线网卡 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9755304B2 (zh) |
EP (1) | EP3018972B1 (zh) |
JP (1) | JP6283103B2 (zh) |
CN (1) | CN104284454B (zh) |
WO (1) | WO2014161260A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104993317A (zh) * | 2015-05-19 | 2015-10-21 | 广东欧珀移动通信有限公司 | 一种usb插座连接器及手机 |
CN106207382B (zh) * | 2016-09-07 | 2023-03-24 | 深圳市龙禧星科技有限公司 | 一种物联卡上网设备 |
CN108260228B (zh) * | 2017-02-20 | 2021-01-26 | 新华三技术有限公司 | Ap设备、物联网设备以及通信设备 |
CN108738164B (zh) * | 2017-04-24 | 2022-08-19 | 中兴通讯股份有限公司 | 主板装置 |
CN109041555A (zh) * | 2018-07-16 | 2018-12-18 | Oppo广东移动通信有限公司 | 电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201323599Y (zh) * | 2008-12-22 | 2009-10-07 | 深圳华为通信技术有限公司 | 一种无线数据终端设备 |
CN101674674A (zh) * | 2009-09-18 | 2010-03-17 | 深圳华为通信技术有限公司 | 无线终端设备 |
CN102185233A (zh) * | 2011-02-22 | 2011-09-14 | 中兴通讯股份有限公司 | 一种旋转usb接口类设备 |
CN102646907A (zh) * | 2012-04-19 | 2012-08-22 | 中兴通讯股份有限公司南京分公司 | Usb接口和终端 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN200976585Y (zh) * | 2006-10-18 | 2007-11-14 | 青岛海信移动通信技术股份有限公司 | 提高无线性能指标的手机 |
EP2199920B1 (en) * | 2008-12-22 | 2013-09-18 | Huawei Device Co., Ltd. | Method and apparatus for improving radio performance of wireless data terminal device |
CN201348880Y (zh) * | 2009-01-15 | 2009-11-18 | 中兴通讯股份有限公司 | 一种旋转usb数据卡 |
JP5576690B2 (ja) * | 2010-03-26 | 2014-08-20 | 京セラ株式会社 | 携帯無線装置 |
CN101867385B (zh) * | 2010-06-21 | 2013-11-06 | 华为终端有限公司 | 无线通信设备 |
CN102083300A (zh) * | 2011-01-19 | 2011-06-01 | 青岛海信移动通信技术股份有限公司 | 无线信号防干扰结构以及便携式移动终端 |
CN102082849B (zh) * | 2011-01-24 | 2014-03-26 | 惠州硕贝德无线科技股份有限公司 | 一种翻盖手机内pcb板接地结构 |
CN201910836U (zh) * | 2011-01-24 | 2011-07-27 | 惠州硕贝德无线科技股份有限公司 | 一种翻盖手机内pcb板接地结构 |
-
2013
- 2013-07-01 CN CN201310272323.1A patent/CN104284454B/zh active Active
- 2013-08-21 EP EP13881089.0A patent/EP3018972B1/en active Active
- 2013-08-21 US US14/901,836 patent/US9755304B2/en active Active
- 2013-08-21 JP JP2016522182A patent/JP6283103B2/ja not_active Expired - Fee Related
- 2013-08-21 WO PCT/CN2013/081939 patent/WO2014161260A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201323599Y (zh) * | 2008-12-22 | 2009-10-07 | 深圳华为通信技术有限公司 | 一种无线数据终端设备 |
CN101674674A (zh) * | 2009-09-18 | 2010-03-17 | 深圳华为通信技术有限公司 | 无线终端设备 |
CN102185233A (zh) * | 2011-02-22 | 2011-09-14 | 中兴通讯股份有限公司 | 一种旋转usb接口类设备 |
CN102646907A (zh) * | 2012-04-19 | 2012-08-22 | 中兴通讯股份有限公司南京分公司 | Usb接口和终端 |
Also Published As
Publication number | Publication date |
---|---|
CN104284454B (zh) | 2019-02-15 |
EP3018972B1 (en) | 2020-05-06 |
JP6283103B2 (ja) | 2018-02-21 |
CN104284454A (zh) | 2015-01-14 |
EP3018972A1 (en) | 2016-05-11 |
EP3018972A4 (en) | 2016-07-13 |
JP2016529765A (ja) | 2016-09-23 |
US9755304B2 (en) | 2017-09-05 |
US20160226138A1 (en) | 2016-08-04 |
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