CN102176560A - Plug and data card of universal serial bus - Google Patents
Plug and data card of universal serial bus Download PDFInfo
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- CN102176560A CN102176560A CN2010106069017A CN201010606901A CN102176560A CN 102176560 A CN102176560 A CN 102176560A CN 2010106069017 A CN2010106069017 A CN 2010106069017A CN 201010606901 A CN201010606901 A CN 201010606901A CN 102176560 A CN102176560 A CN 102176560A
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Abstract
The embodiment of the invention discloses a plug and a data card of universal serial bus (USB), and aims at enhancing the reliability of electric connection performance of plug of USB. The plug of USB comprises a substrate, metal terminals and connecting lines, also comprises a protection module which is circuit protection module. The metal terminals are arranged on the substrate,one end of the metal terminals is used for inserting into socket of the USB,the other end of the metal terminals is connected with the connecting lines; One end of the protection module is electrically connected with the metal terminals through the connecting lines, the other end of the protection module is connected with a circuit board of a equipment, which is equipped with the plug of USB, through conductor. The data card of USB comprises a circuit mainboard, a shell, an aerial and the plug of USB with an earth terminal.
Description
Technical field
The invention belongs to the hardware interface technical field, relate in particular to a kind of USB plug and a kind of data card.
Background technology
USB (Universal Serial BUS, USB) interface is the current peripheral communication interface of main flow the most, be widely used in the peripheral product (as USB flash disk, mouse etc.) of personal terminal such as various PC (Personal Computer, PC) and mobile phone.
Along with USB interface is used on the radio modem, this product of usb data card since its volume small and exquisite, carry conveniently, obtained fast popularizing and used.By usb data card and 3G network, the user can use any personal terminal with USB interface to connect network, the facility of enjoy network anywhere.But because the main part of usb data card, promptly modem circuit itself possesses the characteristic of radio circuit etc., and when the prior USB plug was applied on the usb data card, the reliability of its electrical connection can not satisfy high-quality requirement.
Summary of the invention
The embodiment of the invention discloses a kind of USB plug and a kind of data card, with the reliability of the electrical connection properties that strengthens USB plug.
The embodiment of the invention discloses a kind of general-purpose serial bus USB plug, comprise matrix, metal terminal and connecting line, also comprise protection module, described protection module is the circuit protection module; Described metal terminal is arranged on the described matrix, and an end is used to insert USB socket, and the other end is connected with described connecting line; One end of described protection module is electrically connected with described metal terminal by described connecting line, and the other end is connected by the circuit board of conductor with the equipment of this USB plug of assembling.
A kind of usb data card, this data card comprises circuit main board, shell, antenna and USB plug, described USB plug is the above-mentioned USB plug that has earth terminal.
By using the disclosed USB plug of the embodiment of the invention and a kind of data card; think the mode of the built-in protection module of USB plug; the simultaneously effectively main process equipment that inserts of this USB plug and the terminal equipment that is equipped with this USB plug strengthen the reliability of the electrical connection properties of USB plug.
Description of drawings
Fig. 1 is a kind of USB plug structural representation of prior art;
Fig. 2 is the disclosed a kind of USB plug structural representation of the embodiment of the invention
Fig. 3 is the disclosed a kind of USB plug structural representation of the embodiment of the invention;
Fig. 4 is the combinational circuit diagram of the disclosed a kind of directed control circuit of the embodiment of the invention, power control circuit and energy storage circuit;
Fig. 5 is the circuit diagram of the disclosed a kind of trap circuit of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the specific embodiment of the invention is described in further detail below in conjunction with accompanying drawing.
Figure 1 shows that the basic structure schematic diagram of USB plug in the prior art.USB plug 10 mainly comprises matrix 101, metal terminal 103 and connecting line 105.Metal terminal 103 is arranged on the matrix 101, and an end is used to insert USB socket, and the other end is connected with connecting line 105.Connecting line 105 is used for being connected transmission of electric signals with the circuit board of the electronic equipment that is mounted with this USB plug 10.Shown in the matrix outside of USB plug 10 can also be coated with metal shell.Shown in USB plug 10 if be used for the usb data card, then shown in USB plug 10 can also comprise earth terminal 107.Shown in earth terminal 107 with shown in the described metal shell of USB plug 10 contact, and be connected with a end of earth connection in the connecting line 105, the other end of described earth connection is connected to logically the going up of circuit board of the electronic equipment that is mounted with this USB plug 10.
The embodiment of the invention is improved USB plug shown in Figure 1, has formed USB plug 20 as shown in Figure 2.Described USB plug 20 is similar with USB plug 10 shown in Figure 1, also comprises matrix 101, metal terminal 103 and connecting line 105.In addition, shown in USB plug 20 also comprise protection module 209, shown in protection module 209 can be the circuit protection module.Fig. 2 comprises Fig. 2 A and two kinds of implementations of Fig. 2 B.Wherein the protection module shown in Fig. 2 A 209 is arranged on the matrix 101, and the protection module 209 shown in Fig. 2 B is arranged in beyond the matrix 101, can be arranged in shown in the shell inboard of USB plug 20.Anyway arrange that an end of described protection module 209 is electrically connected with described metal terminal 103 by connecting line 105, the other end is connected on the equipment of this USB plug of assembling by other connecting line.Optionally, shown in USB plug also can comprise earth terminal 107, at this moment, shown in protection module 209 can also comprise that ground connection strengthens module, described ground connection strengthens module can reveal the copper district for large tracts of land.Described ground connection strengthens module one end and connects earth connection in the described connecting line 105, and the other end is connected to logically the going up of circuit board of the electronic equipment that is mounted with this USB plug 10.
Further alternative, shown in USB plug 20 can also be improved to as shown in Figure 3 USB plug 30.Different with USB plug 20 is that the circuit board of the electronic equipment that is mounted with this USB plug 10 that the other end of the connecting line 105 of USB plug 30 connects is the circuit board of a standard USB socket 311.Like this, USB plug shown in 30 just becomes a USB transducer.The USB plug of electronic equipment can be inserted USB socket 311, and metal terminal 103 parts of USB plug 30 are inserted the USB socket of main frame, settle the electronic equipment of generic USB plug can use the improved USB plug of the embodiment of the invention equally thereby make, realize the lifting of performance.Fig. 3 is same also comprises Fig. 3 A and Fig. 3 B.Wherein the protection module shown in Fig. 2 A 209 is arranged on the matrix 101, and the protection module 209 shown in Fig. 2 B is arranged in beyond the matrix 101, can be arranged in shown in the shell inboard of USB plug 30.Optionally can also have second ground connection to strengthen module in the described USB socket 311, described second ground connection strengthens module and strengthens module by conductor and ground connection in the USB plug 20 and be electrically connected, and described second ground connection enhancing module also can be revealed the copper district for large tracts of land.
As previously mentioned, protection module shown in 209 can be the circuit protection module.Concrete, described circuit protection module can be the combination of one or more circuit in directed control circuit, power control circuit, energy storage circuit and the filtering signals circuit.Described directed control circuit can be directed diode, is used to prevent that electric current from pouring in down a chimney to power supply unit; Described power control circuit can adopt the current limliting chip, such as the HPA00615DRVR of TI company, is used to prevent that load from exceeding the power supply capacity of power supply unit; Described energy storage circuit can adopt big electric capacity (hundred UF levels) to realize, is used to prevent the excessive electric voltage dropping that causes of load.As an example, Fig. 4 has provided a kind of compound mode of these circuit.This compound mode only is a kind of example, is not to limit.Wherein 401 is directed diode, and 402 is the current limliting chip, and 403 is the electric capacity of 300UF, and annexation as shown in Figure 4.
Described filtering signals circuit can adopt trap circuit to realize, is used for the signal of a certain selected frequency of filtering.Fig. 5 has provided a kind of implementation of trap circuit as example.
The embodiment of the invention also discloses a kind of usb data card, and this data card comprises circuit main board, shell, antenna and USB plug, and described USB plug is the embodiment of the invention USB plug that has earth terminal 107 20 shown in Figure 2.
By using the disclosed USB plug of the embodiment of the invention and a kind of data card; think the mode of the built-in protection module of USB plug; the simultaneously effectively main process equipment that inserts of this USB plug and the terminal equipment that is equipped with this USB plug strengthen the reliability of the electrical connection properties of USB plug.When this protection module comprises that also ground connection strengthens module, can also improve the radio shielding performance of this USB plug, improve the stability of data transmission that is equipped with this USB plug.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a general-purpose serial bus USB plug comprises matrix, metal terminal and connecting line, it is characterized in that, also comprises protection module, and described protection module is the circuit protection module:
Described metal terminal is arranged on the described matrix, and an end is used to insert USB socket, and the other end is connected with described connecting line; One end of described protection module is electrically connected with described metal terminal by described connecting line, and the other end is connected by the circuit board of conductor with the equipment of this USB plug of assembling.
2. USB plug as claimed in claim 1 is characterized in that,
Described protection module is arranged on the described matrix, perhaps is arranged in beyond the described matrix shell inboard of described USB plug.
3. USB plug as claimed in claim 1 is characterized in that, the matrix outside of described USB plug also is coated with metal shell; Described USB plug also comprises earth terminal, and described earth terminal contacts with the described metal shell of described USB plug, and is connected with a end of earth connection in the described connecting line; Described protection module comprises that also ground connection strengthens module, and described ground connection strengthens module one end and connects described earth connection, and the other end is connected to logically the going up of circuit board of the electronic equipment that is mounted with this USB plug.
4. as the described arbitrary USB plug of claim 1 to 3, it is characterized in that described circuit protection module is the combination of one or more circuit in directed control circuit, power control circuit, energy storage circuit and the filtering signals circuit.
5. USB plug as claimed in claim 4 is characterized in that, described directed control circuit is directed diode, is used to prevent that electric current from pouring in down a chimney to power supply unit; Described power control circuit adopts the current limliting chip, is used to prevent that load from exceeding the power supply capacity of power supply unit; Described energy storage circuit adopts hundred UF or higher level electric capacity, is used to prevent the excessive electric voltage dropping that causes of load; Described filtering signals circuit adopts trap circuit, is used for the signal of a certain selected frequency of filtering.
6. USB plug as claimed in claim 4 is characterized in that, the described circuit board that is mounted with the electronic equipment of this USB plug is the circuit board of a standard USB socket.
7. USB plug as claimed in claim 6, it is characterized in that, if described USB plug also comprises earth terminal, comprise also in the then described USB socket that second ground connection strengthens module, described second ground connection strengthens module and is electrically connected with ground connection enhancing module in the described USB plug by conductor.
8. a data card comprises circuit main board, shell, antenna and USB plug, and described USB plug is electrically connected with described mainboard, it is characterized in that described USB plug is as the described arbitrary USB plug of claim 3 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606901 CN102176560B (en) | 2010-12-27 | 2010-12-27 | Plug and data card of universal serial bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606901 CN102176560B (en) | 2010-12-27 | 2010-12-27 | Plug and data card of universal serial bus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102176560A true CN102176560A (en) | 2011-09-07 |
| CN102176560B CN102176560B (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010606901 Active CN102176560B (en) | 2010-12-27 | 2010-12-27 | Plug and data card of universal serial bus |
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| Country | Link |
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| CN (1) | CN102176560B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600426A (en) * | 2013-10-30 | 2015-05-06 | 华为终端有限公司 | USB communication terminal |
| CN112510407A (en) * | 2019-09-16 | 2021-03-16 | 北京小米移动软件有限公司 | Female seat of Type-C, electronic system and adapter |
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| CN2257408Y (en) * | 1996-04-15 | 1997-07-02 | 鸿海精密工业股份有限公司 | Wire plug device |
| CN2703350Y (en) * | 2004-04-27 | 2005-06-01 | 华为技术有限公司 | USB interface protective circuit |
| TW200622560A (en) * | 2004-11-01 | 2006-07-01 | Richip Inc | Universal serial bus applied device |
| US20080081513A1 (en) * | 2006-09-28 | 2008-04-03 | Chapman Cory A | Method and apparatus for improved universal serial bus connectivity having electrostatic discharge protection ground element |
| JP2009272254A (en) * | 2008-05-09 | 2009-11-19 | Tyco Electronics Amp Kk | Electrical connector |
| CN101847214A (en) * | 2010-06-12 | 2010-09-29 | 华为终端有限公司 | Data card antenna and data card |
| CN201628956U (en) * | 2009-12-04 | 2010-11-10 | 华为终端有限公司 | Data line |
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2010
- 2010-12-27 CN CN 201010606901 patent/CN102176560B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257408Y (en) * | 1996-04-15 | 1997-07-02 | 鸿海精密工业股份有限公司 | Wire plug device |
| CN2703350Y (en) * | 2004-04-27 | 2005-06-01 | 华为技术有限公司 | USB interface protective circuit |
| TW200622560A (en) * | 2004-11-01 | 2006-07-01 | Richip Inc | Universal serial bus applied device |
| US20080081513A1 (en) * | 2006-09-28 | 2008-04-03 | Chapman Cory A | Method and apparatus for improved universal serial bus connectivity having electrostatic discharge protection ground element |
| JP2009272254A (en) * | 2008-05-09 | 2009-11-19 | Tyco Electronics Amp Kk | Electrical connector |
| CN201628956U (en) * | 2009-12-04 | 2010-11-10 | 华为终端有限公司 | Data line |
| CN101847214A (en) * | 2010-06-12 | 2010-09-29 | 华为终端有限公司 | Data card antenna and data card |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600426A (en) * | 2013-10-30 | 2015-05-06 | 华为终端有限公司 | USB communication terminal |
| WO2015062508A1 (en) * | 2013-10-30 | 2015-05-07 | 华为终端有限公司 | Usb communication terminal |
| CN104600426B (en) * | 2013-10-30 | 2019-01-15 | 华为终端有限公司 | A kind of usb communication terminal |
| CN112510407A (en) * | 2019-09-16 | 2021-03-16 | 北京小米移动软件有限公司 | Female seat of Type-C, electronic system and adapter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102176560B (en) | 2013-04-24 |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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Effective date of registration: 20181221 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210429 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee before: HUAWEI DEVICE Co.,Ltd. |