CN207184671U - Mobile terminal and its external light filling circuit, device - Google Patents
Mobile terminal and its external light filling circuit, device Download PDFInfo
- Publication number
- CN207184671U CN207184671U CN201721250067.6U CN201721250067U CN207184671U CN 207184671 U CN207184671 U CN 207184671U CN 201721250067 U CN201721250067 U CN 201721250067U CN 207184671 U CN207184671 U CN 207184671U
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- Prior art keywords
- mobile terminal
- emitting diode
- light emitting
- electric capacity
- light
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Abstract
The utility model discloses a kind of mobile terminal and its external light filling circuit, device, wherein, the external light filling circuit of the mobile terminal includes the drive module of supplementary lighting module, the interface module for connecting mobile terminal and the working condition for controlling supplementary lighting module；The interface module, drive module and supplementary lighting module are sequentially connected, and the interface module is also connected with the USB interface of mobile terminal.Good light source of taking pictures is provided using external light filling circuit when mobile terminal is taken pictures, improves quality of taking pictures.
Description
Technical field
It the utility model is related to field of mobile terminals, more particularly to mobile terminal and its external light filling circuit, device.
Background technology
At present, almost all of mobile terminal is respectively provided with camera function, meets to use by the camera and flash lamp of carrying
Family is taken pictures demand anywhere or anytime, while in order to further optimize effect of taking pictures, part mobile terminal starts to use light softening technology,
It is soft without obvious shade to provide the user light, and suitable for the form and color of reflection object, gives people the sense of soft exquisiteness
Photography luminaire.But still also have and do not carry soft light technology on many mobile terminals, user is not obtained good
Take pictures light.
Thus prior art could be improved and improve.
Utility model content
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of mobile terminal and its outer
Light filling circuit, device are put, good light source of taking pictures is provided using external light filling circuit when mobile terminal is taken pictures, raising is taken pictures
Quality.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of external light filling circuit of mobile terminal, it includes supplementary lighting module, the interface module for connecting mobile terminal
With the drive module of the working condition for controlling supplementary lighting module；The interface module, drive module and supplementary lighting module connect successively
Connect, the interface module is also connected with the USB interface of mobile terminal.
In the external light filling circuit of described mobile terminal, the supplementary lighting module includes the first light unit, the second light
Unit and the filter unit for filtering, the filter unit are connected with the first light unit and the second light unit, and described
One light unit and the second light unit are also connected with drive module.
In the external light filling circuit of described mobile terminal, the drive module includes driving chip, the first electric capacity, second
Electric capacity, the 3rd electric capacity, first resistor, second resistance, 3rd resistor and the 4th resistance；One end connection VB of first electric capacity is supplied
The one end at electric end, the VCC ends of driving chip and the second chip, the other end of first electric capacity and the other end of the second chip are equal
Ground connection；One end of one end connection second resistance of the first resistor and VDD feeder ears, the other end connection of the first resistor
The SDA ends of driving chip and interface module, the SCL ends of the other end connection drive module of the second resistance and interface module；
The SDB ends of one end connection driving chip of the 3rd resistor and interface module, the other end ground connection of the 3rd resistor；It is described
The R_EXT ends of one end connection driving chip of 4th resistance, the other end ground connection of the 4th resistance；The one of 3rd electric capacity
The C_FILT ends of end connection driving chip, the AD ends and ground of the other end connection driving chip of the 3rd electric capacity.
In the external light filling circuit of described mobile terminal, first light unit includes the first light emitting diode, the
Two light emitting diodes and the 3rd light emitting diode, second light unit include the 4th light emitting diode, the 5th light-emitting diodes
Pipe and the 6th light emitting diode, the filter unit include the 4th electric capacity and the 5th electric capacity；First light emitting diode is just
Pole connects VB feeder ears, the OUT1 ends of the negative pole connection driving chip of first light emitting diode；Second light-emitting diodes
The positive pole connection VB feeder ears of pipe, the OUT2 ends of the negative pole connection driving chip of second light emitting diode；3rd hair
The positive pole connection VB feeder ears of optical diode, the OUT3 ends of the negative pole connection driving chip of the 3rd light emitting diode；It is described
The positive pole connection VB feeder ears of 4th light emitting diode, the OUT4 of the negative pole connection driving chip of the 4th light emitting diode
End；The positive pole connection VB feeder ears of 5th light emitting diode, the negative pole connection driving chip of the 5th light emitting diode
OUT5 ends；The positive pole connection VB feeder ears of 6th light emitting diode, the negative pole connection of the 6th light emitting diode are driven
The OUT6 ends of dynamic chip；One end of 4th electric capacity and one end of the 5th electric capacity are all connected with VB feeder ears, the 4th electric capacity
The other end and the other end of the 5th electric capacity be grounded.
In the external light filling circuit of described mobile terminal, driving chip uses model SN3196 integrated chip.
In the external light filling circuit of described mobile terminal, the interface module includes micro-USB interfaces, Type-C connects
Mouth and/or lighting interfaces.
A kind of external light compensating apparatus of mobile terminal, including shell, are provided with pcb board in the shell, on the pcb board
It is provided with external light filling circuit as described above.
A kind of mobile terminal, it includes external light compensating apparatus as described above, and the external light compensating apparatus passes through interface mould
Block is connected with mobile terminal.
Compared to prior art, in mobile terminal provided by the utility model and its external light filling circuit, device, the shifting
The external light filling circuit of dynamic terminal includes supplementary lighting module, the interface module for connecting mobile terminal and for controlling supplementary lighting module
Working condition drive module；The interface module, drive module and supplementary lighting module are sequentially connected, the interface module also with
The USB interface connection of mobile terminal.Good light source of taking pictures is provided using external light filling circuit when mobile terminal is taken pictures, carried
Height is taken pictures quality.
Brief description of the drawings
Fig. 1 is the structured flowchart of the external light filling circuit of mobile terminal provided by the utility model.
Fig. 2 is the circuit diagram of the external light filling circuit of mobile terminal provided by the utility model.
Embodiment
In view of in the prior art part mobile terminal do not possess light softening technology cause to take pictures effect it is poor the shortcomings that, this practicality
New purpose is to provide a kind of mobile terminal and its external light filling circuit, device, using external light filling circuit in movement
Good light source of taking pictures is provided when terminal is taken pictures, improves quality of taking pictures.
To make the purpose of this utility model, technical scheme and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Referring to Fig. 1, the external light filling circuit of mobile terminal provided by the utility model includes supplementary lighting module 10, for even
The interface module 20 of mobile terminal and the drive module 30 of the working condition for controlling supplementary lighting module 10 are connect, wherein the interface
Module 20, drive module 30 and supplementary lighting module 10 are sequentially connected, and the interface module 20 also connects with the USB interface of mobile terminal
Connect.External light filling circuit provided by the utility model, by interface module 20 and mobile terminal connecting communication, and obtains power supply,
Receive the control signal of mobile terminal output and transmit to drive module 30, the work of supplementary lighting module 10 is controlled by drive module 30
Make state, so as to realize the working state control of external light filling circuit, and use external mode can be not possess light compensating apparatus
Mobile terminal provide supplement light source, it is preferable that supplementary lighting module 10 can use fluorescent lamp as wide-angle light source, when user takes pictures
Good sheen light is provided, effectively improves quality of taking pictures.
The specific interface module 20 includes micro-USB interfaces, Type-C interfaces and/or lighting interfaces, i.e., originally
It is connected in utility model by interface module 20 with the USB interface of mobile terminal, it is described to meet the connection request of different type of machines
Interface module 20 can use the interface of different size, or meet plurality of specifications interface requirement simultaneously, specifically can be according to actual need
Ask selection.
Further, the first light unit 11, the second light unit are included also referring to Fig. 2, the supplementary lighting module 10
12 and the filter unit 13 for filtering, the filter unit 13 be connected with the first light unit 11 and the second light unit 12,
The light unit 12 of first light unit 11 and second is also connected with drive module 30, in the present embodiment, by using two lamps
Light unit, the first light unit 11 and the second light unit 12 can be driven respectively according to the different control signals that mobile terminal exports
Work, or two light units of driving work simultaneously, specifically can be according to different scene decisions of taking pictures, such as in night room
In the case of an only lamp source, a light unit job can be driven, to increase the uniformity of ambient light；Or do not having completely
The first light unit 11 and the second light unit 12 can be opened in the case of light source simultaneously and camera flash has been completed together
U.S.A takes pictures.And also pass through power supply electricity of the filter unit 13 to the first light unit 11 and the second light unit 12 in the present embodiment
Pressure is filtered, to provide stable operating voltage.
Specifically, the drive module 30 include driving chip U1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3,
First resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4；One end connection VB power supplies of the first electric capacity C1
The one end at end, driving chip U1 VCC ends and the second chip, the other end of the first electric capacity C1 and the other end of the second chip
It is grounded；One end connection second resistance R2 of first resistor R1 one end and VDD feeder ears, the first resistor R1's is another
One end connection driving chip U1 SDA ends and interface module 20, the other end connection drive module 30 of the second resistance R2
SCL ends and interface module 20；One end connection driving chip U1 of 3rd resistor R3 SDB ends and interface module 20, it is described
3rd resistor R3 other end ground connection；One end connection driving chip U1 of 4th resistance R4 R_EXT ends, the 4th electricity
Hinder R4 other end ground connection；One end connection driving chip U1 of 3rd electric capacity C3 C_FILT ends, the 3rd electric capacity C3
Other end connection driving chip U1 AD ends and ground.
It is luminous that first light unit 11 includes the first LED 1, the second LED 2 and the 3rd
Diode (LED) 3, second light unit 12 include the 4th LED 4, the 5th LED 5 and the 6th
LED 6, the filter unit 13 include the 4th electric capacity C4 and the 5th electric capacity C5；First light emitting diode
LED1 positive pole connection VB feeder ears, the negative pole connection driving chip U1 of first LED 1 OUT1 ends；Institute
State the positive pole connection VB feeder ears of the second LED 2, the negative pole connection driving core of second LED 2
Piece U1 OUT2 ends；The positive pole connection VB feeder ears of 3rd LED 3, the 3rd LED 3
Negative pole connection driving chip U1 OUT3 ends；The positive pole connection VB feeder ears of 4th LED 4, described the
The negative pole connection driving chip U1 of four LEDs 4 OUT4 ends；The positive pole connection of 5th LED 5
VB feeder ears, the negative pole connection driving chip U1 of the 5th LED 5 OUT5 ends；6th light-emitting diodes
Pipe LED6 positive pole connection VB feeder ears, the negative pole connection driving chip U1 of the 6th LED 6 OUT6 ends；
One end of the 4th electric capacity C4 and the 5th electric capacity C5 one end are all connected with VB feeder ears, the other end of the 4th electric capacity C4 and
The 5th electric capacity C5 other end is grounded.
The driving chip U1 uses model SN3196 integrated chip, the first electric capacity C1 and the second electric capacity C2 master
Strobe, stable operating voltage is provided for driving chip U1, the first resistor R1 and second resistance R2 are pull-up
Resistance, ensure the normal work at SDA ends and SCL ends, the 3rd resistor R3 is pull down resistor, and SDB ends low level is effective, passes through
3rd resistor R3 ensures that SDB ends reliably pull down to ground, driving chip U1 by SCL ends and mobile terminal unified clock,
And by SDA ends and mobile terminal bi-directional data, that is, receive control signal, and by OUT1, OUT2, OUT3,
OUT4, OUT5 and OUT6 end output control signal control the first light unit 11 and the second light unit 12 light on and off state and
Brightness, it is preferable that three light emitting diodes used in the first light unit 11 and the second light unit 12 are respectively red, turquoise
Three kinds of colors, colour temperature are preferably 3000K, while light and can send soft warm white, or also can be independent under special screne
Light the light of one of which or two kinds of colors, for different scenes provide corresponding to external light compensating lamp, so as to realize it is mobile eventually
End can flexibly add new light source when taking pictures, and provide the user experience of preferably taking pictures.
External light filling circuit based on above-mentioned mobile terminal, the utility model correspondingly provide a kind of the external of mobile terminal
Light compensating apparatus, including shell, pcb board is provided with the shell, external light filling electricity as described above is provided with the pcb board
Road, due to the external light filling circuit being described in detail above, it is not described further herein.
Further, the utility model correspondingly provides a kind of mobile terminal, and it includes external light filling dress as described above
To put, the external light compensating apparatus is connected by interface module with mobile terminal, is taken pictures for mobile terminal and is provided supplement light source, due to
The external light compensating apparatus has been described in detail above, has not been described further herein.
In summary, in mobile terminal provided by the utility model and its external light filling circuit, device, the mobile terminal
External light filling circuit include supplementary lighting module, the interface module for connecting mobile terminal and the work for controlling supplementary lighting module
The drive module of state；The interface module, drive module and supplementary lighting module are sequentially connected, and the interface module is also whole with movement
The USB interface connection at end.Good light source of taking pictures is provided when mobile terminal is taken pictures using external light filling circuit, raising is taken pictures
Quality.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (8)
1. the external light filling circuit of a kind of mobile terminal, it is characterised in that including supplementary lighting module, for connecting connecing for mobile terminal
The drive module of mouth mold block and the working condition for controlling supplementary lighting module；The interface module, drive module and supplementary lighting module
It is sequentially connected, the interface module is also connected with the USB interface of mobile terminal.
2. the external light filling circuit of mobile terminal according to claim 1, it is characterised in that the supplementary lighting module includes the
One light unit, the second light unit and the filter unit for filtering, the filter unit and the first light unit and second
Light unit connects, and first light unit and the second light unit are also connected with drive module.
3. the external light filling circuit of mobile terminal according to claim 2, it is characterised in that the drive module includes driving
Dynamic chip, the first electric capacity, the second electric capacity, the 3rd electric capacity, first resistor, second resistance, 3rd resistor and the 4th resistance；Described
One end connection VB feeder ears, the VCC ends of driving chip and one end of the second chip of one electric capacity, the other end of first electric capacity
It is grounded with the other end of the second chip；One end of one end connection second resistance of the first resistor and VDD feeder ears, it is described
The SDA ends of the other end connection driving chip of first resistor and interface module, the other end connection driving mould of the second resistance
The SCL ends of block and interface module；The SDB ends of one end connection driving chip of the 3rd resistor and interface module, the described 3rd
The other end ground connection of resistance；The R_EXT ends of one end connection driving chip of 4th resistance, the other end of the 4th resistance
Ground connection；The C_FILT ends of one end connection driving chip of 3rd electric capacity, the other end connection driving core of the 3rd electric capacity
The AD ends of piece and ground.
4. the external light filling circuit of mobile terminal according to claim 3, it is characterised in that the first light unit bag
The first light emitting diode, the second light emitting diode and the 3rd light emitting diode are included, it is luminous that second light unit includes the 4th
Diode, the 5th light emitting diode and the 6th light emitting diode, the filter unit include the 4th electric capacity and the 5th electric capacity；It is described
The positive pole connection VB feeder ears of first light emitting diode, the OUT1 of the negative pole connection driving chip of first light emitting diode
End；The positive pole connection VB feeder ears of second light emitting diode, the negative pole connection driving chip of second light emitting diode
OUT2 ends；The positive pole connection VB feeder ears of 3rd light emitting diode, the negative pole connection of the 3rd light emitting diode are driven
The OUT3 ends of dynamic chip；The positive pole connection VB feeder ears of 4th light emitting diode, the negative pole of the 4th light emitting diode
Connect the OUT4 ends of driving chip；The positive pole connection VB feeder ears of 5th light emitting diode, the 5th light emitting diode
Negative pole connection driving chip OUT5 ends；The positive pole connection VB feeder ears of 6th light emitting diode, the described 6th is luminous
The OUT6 ends of the negative pole connection driving chip of diode；One end of 4th electric capacity and one end of the 5th electric capacity are all connected with VB confessions
Electric end, the other end of the 4th electric capacity and the other end of the 5th electric capacity are grounded.
5. the external light filling circuit of mobile terminal according to claim 3, it is characterised in that driving chip uses model
SN3196 integrated chip.
6. the external light filling circuit of mobile terminal according to claim 1, it is characterised in that the interface module includes
Micro-USB interfaces, Type-C interfaces and/or lighting interfaces.
7. a kind of external light compensating apparatus of mobile terminal, including shell, pcb board is provided with the shell, it is characterised in that institute
State and external light filling circuit as claimed in any one of claims 1 to 6 is provided with pcb board.
8. a kind of mobile terminal, it is characterised in that including external light compensating apparatus as claimed in claim 7, the external light filling
Device is connected by interface module with mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250067.6U CN207184671U (en) | 2017-09-27 | 2017-09-27 | Mobile terminal and its external light filling circuit, device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250067.6U CN207184671U (en) | 2017-09-27 | 2017-09-27 | Mobile terminal and its external light filling circuit, device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184671U true CN207184671U (en) | 2018-04-03 |
Family
ID=61749586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721250067.6U Expired - Fee Related CN207184671U (en) | 2017-09-27 | 2017-09-27 | Mobile terminal and its external light filling circuit, device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184671U (en) |
-
2017
- 2017-09-27 CN CN201721250067.6U patent/CN207184671U/en not_active Expired - Fee Related
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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: 20180403 Termination date: 20180927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |