CN106897241A - A kind of usb circuit and mobile terminal being applied in mobile terminal - Google Patents
A kind of usb circuit and mobile terminal being applied in mobile terminal Download PDFInfo
- Publication number
- CN106897241A CN106897241A CN201611233103.8A CN201611233103A CN106897241A CN 106897241 A CN106897241 A CN 106897241A CN 201611233103 A CN201611233103 A CN 201611233103A CN 106897241 A CN106897241 A CN 106897241A
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- China
- Prior art keywords
- pin
- mobile terminal
- usb
- circuit
- antenna
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telephone Function (AREA)
- Telephone Set Structure (AREA)
- Transceivers (AREA)
Abstract
The present invention discloses a kind of usb circuit being applied in mobile terminal, including USB interface, the lower section of the working region of antenna is arranged at, for grafting external equipment；Wherein, the USB interface includes at least one fixed pin for being used to fix the USB interface, and described at least one fixes pin by an inductance connection reference ground.Invention additionally discloses the mobile terminal using usb circuit.In the present invention, while the appearance design of mobile terminal is taken into account, interference when solving in running order antenna pair usb circuit for data transfer, and influence is not produced on the performance of antenna, so as to improve the properties of product and reliability of mobile terminal.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of usb circuit being applied in mobile terminal
And mobile terminal.
Background technology
In current smart mobile phone, in order to realize the superperformance of antenna for mobile phone, it is ensured that the signal of high-quality ensures matter of conversing
Amount, it usually needs inside possesses larger space, and the design of smart mobile phone at present be progressively intended to it is less and less, thin with timely
Still, the space of interior of mobile phone is less and less, and then it is also just less and less to distribute to the space of antenna for mobile phone, so that the environment of antenna
Become more and more severe, it is impossible to ensure the normal work of antenna so that speech quality is affected.For example, antenna headroom region
There is interface device, such as USB interface, receiver J-Horner etc., or microphone, when antenna for mobile phone works, due to these interfaces
The interference of device, speech quality can be affected, meanwhile, when antenna for mobile phone works, antenna for mobile phone can also interfere with interface device
Performance, and then influence its normal function.For example, when interface device is USB interface, when antenna for mobile phone works, can be to causing
Directly gone offline when being carried out data transmission using USB interface, and then influence data transfer, simultaneously as antenna headroom region quilt
Headroom treatment, now, USB interface is earth-free, and when electrostatic is beaten, smart mobile phone occurs deadlock phenomenon.If due to antenna headroom area
There is interface device in domain and interfering for causing is ignored, it is easy to produce fatal hard defects to mobile phone.Thus,
Cause the major issue solved as current smart mobile phone needs because antenna headroom region has interface device.
The content of the invention
It is an object of the present invention to there is interface in the empty regions for being directed to antenna for mobile phone in smart mobile phone of the prior art
And the problem for causing, there is provided a kind of usb circuit and mobile terminal being applied in mobile terminal.
The technical scheme that present invention solution above-mentioned technical problem is used there is provided a kind of being applied in mobile terminal
Usb circuit, including：USB interface, is arranged at the lower section of the working region of antenna, for grafting external equipment；Wherein, institute
State USB interface is used for the fixed pin of USB interface fixation including at least one, and described at least one fixes pin passes through
One inductance connection reference ground.
Wherein, also including anti-static circuit, the anti-static circuit is connected with described at least one fixation pin.
Wherein, the anti-static circuit includes a transient voltage suppressor, and described at least one fixes pin passes through
The transient voltage suppressor connection reference ground is so that at least one fixation pin is carried out antistatic process.
Wherein, the size of the inductance is 150nH.
Wherein, the usb circuit also includes common-mode filter；The USB interface includes the first functional pin and the
Two functional pins；Wherein, first functional pin and second functional pin are respectively through the common-mode filter and institute
State the processor connection in mobile terminal.
Wherein, first functional pin and second functional pin are connected respectively through one first diode and referred to
Ground.
Wherein, the USB interface also includes the 3rd functional pin, and the 3rd functional pin is by a resistance and the shifting
Processor connection in dynamic terminal, the processor judges the level of the 3rd functional pin to judge the external equipment
Interface type, if the level of the 3rd functional pin is high level, the interface type of the external equipment connects for Type B
Mouthful, if the level of the 3rd functional pin is low level, the interface type of the external equipment is A type interfaces.
Wherein, the 3rd functional pin connects reference ground by one second diode.
Wherein, the USB interface also includes power pins and grounding pin, wherein, the power pins are by an electric capacity
Connection reference ground, and external power supply；The grounding pin connects reference ground.
Another technical scheme that present invention solution above-mentioned technical problem is used there is provided a kind of mobile terminal, the shifting
Dynamic terminal includes antenna and usb circuit as described above.
Beneficial effects of the present invention have：While the appearance design of mobile terminal is taken into account, solve in running order
Interference of antenna pair usb circuit when being used for data transfer, and influence is not produced on the performance of antenna, so as to improve shifting
The properties of product and reliability of dynamic terminal.
Brief description of the drawings
Below in conjunction with drawings and the embodiments, the invention will be further described, in accompanying drawing：
Fig. 1 is the circuit diagram of the embodiment of usb circuit of the invention；
Fig. 2 is the partial top structural representation of the embodiment of mobile terminal of the invention.
Specific embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific implementation
Mode is described in further detail to technical scheme.
For the ease of understanding the present invention, first the design process to mobile terminal is illustrated.
The design of mobile terminal includes ID (Industrial Design, industrial design), MD (Mechanical
Design, structure design), HW (Hardware, hardware) design, SW (Software, software) design etc., wherein, ID is mainly wrapped
Include outward appearance, material, feel, colour match；MD mainly include fore shell, rear shell, the selection of pick-up lens position, fixed mode,
How battery connects, thickness degree of mobile phone etc.；HW is mainly designed to design circuit and antenna；SW is mainly designed to operate boundary
The pattern in face, the realization of actions menu and all kinds of softwares etc..
It is well known that in the design of mobile terminal, the design of antenna is the key component of mobile terminal manufacturing cost, example
Such as, a mobile terminal for built-in aerial is more much larger than the manufacturing cost of the mobile terminal of external antenna, therefore in HW designs, day
The design of line is the principal element in HW designs, and then, the design requirement of antenna should not place metal fittings in the vicinity of antenna
Deng, herein, designed and ID to meet HW simultaneously, then when the design of mobile terminal includes USB interface, USB interface must
Must design in the lower end of antenna, and so, Antenna Operation can be disturbed by USB interface, antenna can also interfere with the number of USB interface
According to transmission.
As shown in figure 1, be the circuit diagram of the embodiment of usb circuit of the invention, the usb circuit 100
It is applied in mobile terminal, for example smart mobile phone, and antenna is provided with mobile terminal.The usb circuit 100 includes USB
Interface 110, the lower section that the usb 1 10 is arranged at the working region of antenna is used for grafting external equipment.
Wherein, usb 1 10 includes at least one fixed pin for being used to fix usb 1 10, and at least one consolidates
Determine pin 111 and connect reference ground by an inductance L.So, the working region of antenna is by headroom, and then causes in running order
Antenna do not influenceed by by grafting external equipment and in running order usb 1 10, and cause to be set outside grafting
Standby and in running order usb 1 10 is not influenceed by running order antenna.
In the present embodiment, while the appearance design of mobile terminal is taken into account, in running order antenna pair is solved
Usb circuit is used for interference during data transfer, and does not produce influence to the performance of antenna, so as to improve mobile terminal
Properties of product and reliability.
Further, in the present embodiment, at least one fixes pin 111 includes 4 fixed pins, and respectively first fixes
Pin 111a, second are fixed pin 111b, the 3rd fixation pin 111c and the 4th and fix pin 111d.In design mobile terminal
During structure, the first fixation pin 111a, the second fixation pin 111b, the 3rd fixation pin 111c and the 4th fixation pin 111d set
It is placed in the side of usb 1 10.It should be noted that at least one fixation pin 111 is used to be fixedly connected usb 1 10
On mainboard in mobile terminal, so at least one fixation pin 111 will usb 1 10 be connected to reference on mainboard
Ground, i.e., each fixes pin equivalent to for reference ground at least one fixation pin 111.
Further, the usb circuit 100 also includes anti-static circuit 120, should fix pin 111 with least one
Connection, so, at least one fixation pin 111 is carried out antistatic process, to the mobile end comprising the usb circuit 100
When end carries out ESD (Electro-Static discharg, Electro-static Driven Comb) tests, the mobile terminal is not in deadlock phenomenon.
Further, in the present embodiment, the anti-static circuit 120 includes a TVS pipe (Transient Voltage Suppressor winks
Time variant voltage suppresses diode) T1, at least one fix pin 111 by transient voltage suppressor T1 connection reference ground with
At least one fixation pin 111 is set to be carried out antistatic process.Certainly, in other implementations, the anti-static circuit 120 can also be wrapped
Voltage-stabiliser tube is included, in the range of the understanding of those skilled in the art, is no longer illustrated herein.
Further, in the present embodiment, the size of inductance L is 150nH, and now, the working region of antenna is by the journey of headroom
Degree is optimal, and in running order antenna is not received by the shadow of grafting external equipment and in running order usb 1 10
Loud degree is minimum, and causes by grafting external equipment and in running order usb 1 10 by running order
Antenna effect it is minimum.
Further, usb circuit 100 also includes common-mode filter 130.Usb 1 10 includes the first functional pin
D+ and the second functional pin D-, in the present embodiment, the first functional pin D+ is data wire positive pole, and the second functional pin D- is data
Line negative pole, in actual fabrication, the first functional pin D+ is differed with the wire colors of the second functional pin D-.
Wherein, the first functional pin D+ and the second functional pin D- is respectively through in common-mode filter 130 and mobile terminal
Processor connection.So, in the grafting external equipment of usb 1 10, and when carrying out data transmission, the stabilization of data transfer
Property is high.Further, the first functional pin D+ and the second functional pin D- are also respectively through a first resistor R1 and mobile terminal
Interior processor.Further, the first functional pin D+ and the second functional pin D- are connected respectively through one first diode T2
Reference ground.
Further, usb 1 10 also includes the 3rd functional pin ID1, and the 3rd functional pin ID1 is by one second electricity
Resistance R2 is connected with the processor in mobile terminal, and processor judges the level of the 3rd functional pin ID1 to judge external equipment
Interface type, if the level of the 3rd functional pin ID1 is high level, the interface type of external equipment is Type B interface, if the
When the level of three functional pin ID1 is low level, then the interface type of external equipment is A type interfaces.Further, the 3rd function
Pin ID1 connects reference ground by one second diode T3.It should be noted that female mouth during the usb 1 10, and outside sets
Standby interface is public mouth, when the interface type of external equipment is Type B interface, then corresponding, and the usb 1 10 is also that Type B connects
Mouthful, similarly, when the interface type of external equipment is A type interfaces, then corresponding, the usb 1 10 is also A type interfaces, and
Within the scope of Type B interface and A types interface are the understanding of those skilled in the art, therefore no longer illustrate.
Further, usb 1 10 also includes power pins V and grounding pin GND, wherein, power pins V is by one
Electric capacity C connects reference ground, and external power supply VBUS；Grounding pin GND connects reference ground.
In order to illustrate that the usb circuit is in running order antenna in the usb circuit in using Fig. 1
Influence, such as table 1 below, the running parameter of antenna when being to applying the usb circuit in Fig. 1.
Table 1
Wherein, it is hanging to represent that at least one fixation pin 111 does not make connection treatment, plus 150nH inductance represents above-mentioned described
At least one bright fixation pin 111 connects reference ground, as can be seen from the table, the inductance L of 150nH by the inductance L of 150nH
Do not exist substantial influence in running order antenna.And then, the present invention solves in running order antenna pair
Interference problem when usb 1 10 carries out data transmission, meanwhile, do not exist substantial shadow in running order antenna
Ring.
As shown in Fig. 2 being the partial top structural representation of the embodiment of mobile terminal of the invention, the mobile terminal
200 can be smart mobile phone, or other terminals comprising antenna.The mobile terminal 200 includes antenna 210 and USB interface electricity
Road 220, wherein, usb circuit 210 includes USB interface, and the lower section that the USB interface is arranged at the working region of antenna is used for
Grafting external equipment.Usb circuit 220 has been described above in the above-described embodiments, refers to above-described embodiment.Need explanation
It is that schematic, not specific reference is only represented shown in figure.
Embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every using the present invention
Equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies
Field, is similarly included in scope of patent protection of the invention.
Claims (10)
1. a kind of usb circuit being applied in mobile terminal, it is characterised in that including：
USB interface, is arranged at the lower section of the working region of antenna, for grafting external equipment；
Wherein, the USB interface includes at least one fixed pin for being used to fix the USB interface, described at least one
Fixed pin is by an inductance connection reference ground.
2. the circuit according to claim 1, it is characterised in that also including anti-static circuit, the anti-static circuit with
Described at least one fixes pin connection.
3. the circuit according to claim 2, it is characterised in that
The anti-static circuit includes a transient voltage suppressor, and described at least one fixes pin by the transient electrical
Diode connection reference ground processed is constrained so that at least one fixation pin is carried out antistatic process.
4. the circuit according to claim 1, it is characterised in that the size of the inductance is 150nH.
5. the circuit according to claim 1, it is characterised in that
The usb circuit also includes common-mode filter；
The USB interface includes the first functional pin and the second functional pin；
Wherein, first functional pin and second functional pin are mobile whole with described respectively through the common-mode filter
Processor connection in end.
6. the circuit according to claim 5, it is characterised in that
First functional pin and second functional pin connect reference ground respectively through one first diode.
7. the circuit according to claim 1, it is characterised in that
The USB interface also includes the 3rd functional pin, and the 3rd functional pin is by a resistance and the mobile terminal
Processor connection, the processor judges the level of the 3rd functional pin to judge the interface class of the external equipment
Type, if the level of the 3rd functional pin is high level, the interface type of the external equipment is Type B interface, if institute
When the level for stating the 3rd functional pin is low level, then the interface type of the external equipment is A type interfaces.
8. the circuit according to claim 7, it is characterised in that
3rd functional pin connects reference ground by one second diode.
9. the circuit according to claim 1, it is characterised in that
The USB interface also includes power pins and grounding pin, wherein, the power pins are referred to by a capacitance connection
Ground, and external power supply；The grounding pin connects reference ground.
10. a kind of mobile terminal, it is characterised in that the mobile terminal includes antenna and such as any one of claim 1-9 institutes
The usb circuit stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611233103.8A CN106897241A (en) | 2016-12-28 | 2016-12-28 | A kind of usb circuit and mobile terminal being applied in mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611233103.8A CN106897241A (en) | 2016-12-28 | 2016-12-28 | A kind of usb circuit and mobile terminal being applied in mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106897241A true CN106897241A (en) | 2017-06-27 |
Family
ID=59199090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611233103.8A Withdrawn CN106897241A (en) | 2016-12-28 | 2016-12-28 | A kind of usb circuit and mobile terminal being applied in mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106897241A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526702A (en) * | 2017-09-15 | 2017-12-29 | 深圳传音制造有限公司 | A kind of usb circuit of mobile terminal and the mobile terminal with the circuit |
| CN107592591A (en) * | 2017-07-21 | 2018-01-16 | 深圳天珑无线科技有限公司 | Filter circuit and its application process, the device and electronic installation with store function |
| WO2020000371A1 (en) * | 2018-06-29 | 2020-01-02 | 华为技术有限公司 | Usb seat operating circuit and terminal |
| CN110943279A (en) * | 2018-09-25 | 2020-03-31 | 中兴通讯股份有限公司 | Method, device, equipment and storage medium for improving antenna efficiency of mobile terminal |
| CN112993572A (en) * | 2019-12-02 | 2021-06-18 | 中兴通讯股份有限公司 | Device and terminal for reducing interference of USB (universal serial bus) to antenna |
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| CN201629592U (en) * | 2010-03-10 | 2010-11-10 | 华为终端有限公司 | Charger, mobile terminal and device with frequency modulating antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592591A (en) * | 2017-07-21 | 2018-01-16 | 深圳天珑无线科技有限公司 | Filter circuit and its application process, the device and electronic installation with store function |
| CN107526702A (en) * | 2017-09-15 | 2017-12-29 | 深圳传音制造有限公司 | A kind of usb circuit of mobile terminal and the mobile terminal with the circuit |
| CN107526702B (en) * | 2017-09-15 | 2023-12-05 | 深圳传音制造有限公司 | USB interface circuit of mobile terminal and mobile terminal with same |
| WO2020000371A1 (en) * | 2018-06-29 | 2020-01-02 | 华为技术有限公司 | Usb seat operating circuit and terminal |
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| CN110943279A (en) * | 2018-09-25 | 2020-03-31 | 中兴通讯股份有限公司 | Method, device, equipment and storage medium for improving antenna efficiency of mobile terminal |
| CN110943279B (en) * | 2018-09-25 | 2023-04-07 | 中兴通讯股份有限公司 | Method, device, equipment and storage medium for improving antenna efficiency of mobile terminal |
| CN112993572A (en) * | 2019-12-02 | 2021-06-18 | 中兴通讯股份有限公司 | Device and terminal for reducing interference of USB (universal serial bus) to antenna |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170627 |
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| WW01 | Invention patent application withdrawn after publication |