CN206149329U - Signal transmission device and mobile terminal - Google Patents
Signal transmission device and mobile terminal Download PDFInfo
- Publication number
- CN206149329U CN206149329U CN201620652665.5U CN201620652665U CN206149329U CN 206149329 U CN206149329 U CN 206149329U CN 201620652665 U CN201620652665 U CN 201620652665U CN 206149329 U CN206149329 U CN 206149329U
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- China
- Prior art keywords
- signal
- inductance
- transmitting apparatus
- pins
- signal transmitting
- Prior art date
- 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.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Telephone Set Structure (AREA)
Abstract
The utility model provides a signal transmission device and mobile terminal, signal transmission device are used for mobile terminal, the signal transmission device includes a transmission interface who is used for connecting the USB transmission line, transmission interface includes data positive signal pin and data burden signal pin, data positive signal pin is connected through a first inductance and positive signal reception end, data burden signal pin is connected through a second inductance and burden signal reception end, first inductance passes through the capacity ground with the one end that data positive signal pin is connected, the second inductance passes through the capacity ground with the one end that data burden signal pin is connected. The utility model discloses can show improvement signal transmission performance, reduce the distortion, easily production of signal transmission device and low cost in addition not only can be in case surges but also can prevent static to make the cell -phone life -span longer, the user uses the cell -phone rechargeable safer.
Description
Technical field
This utility model is related to a kind of signal transmitting apparatus and mobile terminal.
Background technology
Mobile phone provides the user huge facility as a kind of mobile terminal, can not in having become people's daily life
Or the articles for use for lacking.
USB (USB (universal serial bus)) interface of existing mobile phone has that transmission performance is poor, the defect of signal transmission distortion, and
USB charging circuits suppress the effect of surge poor, and when charging more frequent, the mobile phone is easily by surge that power on is instantaneous
Destruction.In addition, existing charging circuit does not possess the function of pre- antistatic.
Utility model content
The technical problems to be solved in the utility model is to overcome signal transmitting apparatus in prior art to there is transporting
Poor, the defect of signal transmission distortion of energy, there is provided a kind of raising signal transmission performance and safer signal transmitting apparatus and shifting
Dynamic terminal.
This utility model is solving above-mentioned technical problem by following technical proposals：
A kind of signal transmitting apparatus, for mobile terminal, the signal transmitting apparatus include one for connecting USB transmission line
Coffret, the coffret includes data positive signal pin and data minus signal pins, the data positive signal pin
It is connected with positive receiving end by one first inductance, the data minus signal pins pass through one second inductance and negative reception
End connection, one end that first inductance is connected with data positive signal pin passes through capacity earth, second inductance and data
One end of negative signal pin connection passes through capacity earth.
In this utility model, data positive signal pin refers to the USB_DP pins in coffret, data minus signal pins
Refer to the USB_DM pins in coffret.The ID pins are the pin for recognizing identity.Charging pins are coffret
In VBUS pins.
It is preferred that the coffret also includes a charging pins, the charging pins suppress two by transient voltage
Pole pipe is grounded, and the negative pole of transient voltage suppressor diode connects the charging pins, and the transient voltage suppressor diode is just
Pole is grounded.
Transient voltage suppressor diode abbreviation TVS, to destruction of the pre- antistatic to electronic circuit board, TVS is in regulation
Under the conditions of applied in reverse, when the instantaneous overvoltage pulse of a high-energy is born, its working impedance can be down to very low leading immediately
Logical value, it is allowed to which high current passes through, and by voltage clamping to predeterminated level, so as to effectively protect the components and parts in electronic circuit to exempt from
It is damaged.
It is preferred that the signal transmitting apparatus also include a capacity cell, the capacity cell is pressed down with the transient voltage
Diodes in parallel processed.
It is preferred that the transient voltage suppressor diode is the transient state of model ESD5661D07 of WILLSEMI companies
Voltage suppression diode.
It is preferred that the inductance value of first inductance is identical with the inductance value of the second inductance, the inductance value is more than or waits
In 12 nanohenrys, and it is less than or equal to 18 nanohenrys.
It is preferred that the inductance value is 15 nanohenrys.
It is preferred that the coffret also includes an ID pins, the ID pins are by a resistance and ID signal receiving ends
Connection.
This utility model also provides a kind of mobile terminal, and its feature is that the mobile terminal includes letter as above
Number transmitting device.
It is preferred that the mobile terminal is mobile phone or panel computer.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can combination in any, obtain final product this utility model respectively compared with
Good example.
Positive effect of the present utility model is：This utility model can significantly improve signal transmission performance, reduce
Distortion, and signal transmitting apparatus are readily produced and with low cost, not only can with Anti-surging but also can pre- antistatic so that mobile phone
Life-span is longer, and user is rechargeable safer using mobile phone.
Description of the drawings
Structural representations of the Fig. 1 for the signal transmitting apparatus of this utility model embodiment.
Specific embodiment
A preferred embodiment is named, and combines accompanying drawing to become apparent from intactly illustrating this utility model.
Embodiment
Referring to Fig. 1, the present embodiment provides a kind of mobile phone, and the mobile phone is one kind of mobile terminal, and the mobile terminal is also
It can be panel computer.
The mobile phone includes a signal transmitting apparatus, and the signal transmitting apparatus include one for connecting USB transmission line
Coffret 1, the coffret 1 include a data positive signal pin 11, a data minus signal pins 12, a charging pins
13rd, a capacity cell 14 and an ID pins 15.
The data positive signal pin 11 is connected with the mobile phone USB positive receivings end 21 by one first inductance 16,
The data minus signal pins 12 are connected with the mobile phone USB negative receptions end 22 by one second inductance 17.
One end that first inductance 16 is connected with data positive signal pin 11 is by capacity earth, second inductance 17
The one end being connected with data minus signal pins 12 passes through capacity earth.
The charging pins suppress diode 18 to be grounded by transient voltage, and the negative pole of transient voltage suppressor diode connects
Connect the charging pins, the plus earth of the transient voltage suppressor diode.
The transient voltage suppressor diode is the transient voltage suppression of model ESD5661D07 of WILLSEMI companies
Diode processed.
The capacity cell is in parallel with the transient voltage suppressor diode.
The inductance value of first inductance is identical with the inductance value of the second inductance, and the inductance value is 15 nanohenrys.This enforcement
In example, the inductance value of inductance value and second inductance of the first inductance is chosen for 15 nanohenrys, but in practice, inductance value is set to be more than
Or 12 nanohenrys are equal to, and during less than or equal to 18 nanohenry, can play the effect for improving signal transmission performance, reducing distorted signals
Really, but choose 15 nanohenry when, simulated effect is optimal.
The ID pins are connected with ID signal receiving ends by a resistance.
The present embodiment can significantly improve signal transmission performance, reduce distortion, and signal transmitting apparatus be readily produced and
It is with low cost, not only can with Anti-surging but also can pre- antistatic so that the mobile phone life-span is longer, user is rechargeable more using mobile phone
Safety.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
Member on the premise of without departing substantially from principle of the present utility model and essence can make numerous variations or repair to these embodiments
Change, but these changes and modification each fall within protection domain of the present utility model.
Claims (9)
1. a kind of signal transmitting apparatus, for mobile terminal, the signal transmitting apparatus include one for connecting USB transmission line
Coffret, the coffret include data positive signal pin and data minus signal pins, it is characterised in that the data are just
Signal pins are connected with positive receiving end by one first inductance, and the data minus signal pins pass through one second inductance and bear
Signal receiving end connects, and by capacity earth, described second is electric for one end that first inductance is connected with data positive signal pin
One end that sense is connected with data minus signal pins passes through capacity earth.
2. signal transmitting apparatus as claimed in claim 1, it is characterised in that the coffret also includes a charging pins,
The charging pins suppress the negative pole of diode ground connection, transient voltage suppressor diode to connect the charging by transient voltage
Pin, the plus earth of the transient voltage suppressor diode.
3. signal transmitting apparatus as claimed in claim 2, it is characterised in that the signal transmitting apparatus also include electric capacity unit
Part, the capacity cell are in parallel with the transient voltage suppressor diode.
4. signal transmitting apparatus as claimed in claim 2, it is characterised in that the transient voltage suppressor diode is
The transient voltage suppressor diode of model ESD5661D07 of WILLSEMI companies.
5. signal transmitting apparatus as claimed in claim 1, it is characterised in that the inductance value of first inductance and the second inductance
Inductance value it is identical, the inductance value be more than or equal to 12 nanohenrys, and be less than or equal to 18 nanohenrys.
6. signal transmitting apparatus as claimed in claim 5, it is characterised in that the inductance value is 15 nanohenrys.
7. signal transmitting apparatus as claimed in claim 1, it is characterised in that the coffret also includes an ID pins, institute
State ID pins to be connected with ID signal receiving ends by a resistance.
8. a kind of mobile terminal, it is characterised in that the mobile terminal includes as claimed in any of claims 1 to 7 in one of claims
Signal transmitting apparatus.
9. mobile terminal as claimed in claim 8, it is characterised in that the mobile terminal is mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620652665.5U CN206149329U (en) | 2016-06-28 | 2016-06-28 | Signal transmission device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620652665.5U CN206149329U (en) | 2016-06-28 | 2016-06-28 | Signal transmission device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149329U true CN206149329U (en) | 2017-05-03 |
Family
ID=58616459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620652665.5U Expired - Fee Related CN206149329U (en) | 2016-06-28 | 2016-06-28 | Signal transmission device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206149329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113987991A (en) * | 2021-09-29 | 2022-01-28 | 展讯半导体(南京)有限公司 | Signal transmission device and electronic equipment |
-
2016
- 2016-06-28 CN CN201620652665.5U patent/CN206149329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113987991A (en) * | 2021-09-29 | 2022-01-28 | 展讯半导体(南京)有限公司 | Signal transmission device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20200628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |