CN106412456A - Flash device and shooting device - Google Patents
Flash device and shooting device Download PDFInfo
- Publication number
- CN106412456A CN106412456A CN201611108481.3A CN201611108481A CN106412456A CN 106412456 A CN106412456 A CN 106412456A CN 201611108481 A CN201611108481 A CN 201611108481A CN 106412456 A CN106412456 A CN 106412456A
- Authority
- CN
- China
- Prior art keywords
- flash
- flash lamp
- light emitting
- road
- emitting diode
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stroboscope Apparatuses (AREA)
Abstract
The invention relates to the technical field of control, and particularly relates to a flash device and a photographing device. The flash device comprises two mutually independent flash drive chips and four flash circuits. Each flash drive chip is connected with two flash circuits. Each flash circuit is connected with at least one light emitting diode. All light emitting diodes connected with four flash circuits emit light at the same time. According to the flash device and the photographing device, total current passing through the flash device is increased; the illuminance of the flash device is improved; better photographing brightness can be acquired in a dark environment; the image photographing effect is improved; and the user experience is greatly improved.
Description
Technical field
The present invention relates to control technology field, more particularly, to a kind of flash unit and filming apparatus.
Background technology
With the continuous improvement of scientific and technical sustainable development and people's living standard, mobile phone, panel computer, notebook electricity
The electronic user terminal unit such as brain, photographing unit is increasingly popularized in the life of people.Meanwhile, with digitized video treatment technology
And the progress of charge-coupled image sensor (CCD), digital photographic technology reached unprecedented level.In such background
Under, camera function is all classified as basic outfit by existing subscriber terminal equipment.On the user terminal with camera function, remove
It is provided with that camera lens necessary to photograph is outer in addition it is also necessary to setting has the flash lamp of light filling effect.Further, since existing have
The device of shoot function all develops towards light, thin, short, little direction, body is used for arrange the limited space of flash unit,
For this reason, the light source of flash unit uses, small volume, power consumption are relatively low, respond rapid light emitting diode (Light
Emitting Diode,LED).
When user is exposed using the filming apparatus with camera function, flash lamp can synchronous be exposed, and is formed
The principal light source of filmed image.The luminous flash lamp driving chip within filming apparatus of flash lamp controls, and driving chip is defeated
Go out driving current, thus driving flash lamp to light.But, due to the restriction of flash lamp driving chip technology, existing flash lamp
The electric current passing through when luminous is generally 2A, and maximum is less than 2.5A.Using the flash lamp of prior art, dark in ambient light
In the case of, due to less by the electric current of flash lamp, the illumination of flash lamp is relatively low, the dark images of shooting, and shooting effect is relatively
Difference is it is difficult to meet the demand of user.Therefore, how to increase the illumination of flash lamp, even if also can clap in the environment of dark
Go out brightness preferably image, thus improving image taking effect, improving Consumer's Experience, being technical problem urgently to be resolved hurrily at present.
Content of the invention
The present invention provides a kind of flash unit and filming apparatus, in order to improve the illumination of flash unit, improves image
Shooting effect, improves Consumer's Experience.
In order to solve the above problems, the invention provides a kind of flash unit, including two separate flash lamies
Driving chip and four road flash lamp circuits, and every flash lamp driving chip connects two-way flash lamp circuit；Every road flash lamp electricity
At least one light emitting diode is connected with road；The all light emitting diodes connecting on described four road flash lamp circuits are sent out simultaneously
Light.
Preferably, at least one road flash lamp circuit is parallel with many light emitting diodes.
Preferably, it is parallel to many LED package on the flash lamp circuit of same road in same flash lamp or simultaneously
Many light emitting diodes being coupled on the flash lamp circuit of same road independently encapsulate.
Preferably, described flash unit also includes microcontroller, and described microcontroller passes through a twin wire serial communication
Bus is connected with two flash lamp driving chip.
Preferably, all light emitting diodes described four road flash lamp circuits connecting ringwise are arranged around a photographic head
Row.
Preferably, described flash unit also includes Circular shape lampshade, and described Circular shape lampshade is arranged around described photographic head, sends out
The light that optical diode sends projects from Circular shape lampshade.
Preferably, described Circular shape lampshade is made using light-scattering material.
Preferably, described two separate flash lamp driving chip are two identical chips.
Preferably, described four road flash lamp circuits are all parallel with two light emitting diodes or described four road flash lamp circuits
On be all connected with a light emitting diode.
Present invention also offers a kind of filming apparatus are it is characterised in that include the flash of light described in any one of claim 1-9
Lamp device.
Flash unit and filming apparatus that the present invention provides, drive core by arranging two separate flash lamies
Piece, is controlled all light emitting diodes that two flash lamp driving chip connect to light simultaneously, increases and filled by described flash lamp
The electric current put, improves the illumination of described flash unit, even if in the environment of dark, also can obtain and preferably shoot
Brightness, improves image taking effect, high degree improve Consumer's Experience.
Brief description
Accompanying drawing 1 is the structural representation of the flash unit of the present invention first specific embodiment；
Accompanying drawing 2 is the circuit diagram of the flash unit of the present invention first specific embodiment；
Accompanying drawing 3 be the present invention first specific embodiment flash unit in light emitting diode layout；
Accompanying drawing 4 is the structural representation of the flash unit of the present invention second specific embodiment；
Accompanying drawing 5 is the circuit diagram of the flash unit of the present invention second specific embodiment；
Accompanying drawing 6 be the present invention second specific embodiment flash unit in light emitting diode layout.
Specific embodiment
The flash unit below in conjunction with the accompanying drawings present invention being provided and the specific embodiment of filming apparatus are done specifically
Bright.
First specific embodiment
This specific embodiment provides a kind of flash unit, and accompanying drawing 1 is the sudden strain of a muscle of the present invention first specific embodiment
The structural representation of light lamp device, accompanying drawing 2 is the circuit diagram of the flash unit of the present invention first specific embodiment, accompanying drawing 3
Be the present invention first specific embodiment flash unit in light emitting diode layout.As shown in figure 1, being originally embodied as
Flash unit described in mode includes two separate flash lamp driving chip, i.e. the first flash lamp driving chip 11 He
Second flash lamp driving chip 12.Described first flash lamp driving chip 11 and the second flash lamp driving chip 12 can be abilities
Flash lamp driving chip known to field technique personnel, such as U2304, this specific embodiment is not construed as limiting to this.Every sudden strain of a muscle
Light lamp driving chip connects two-way flash lamp circuit：Described first flash lamp driving chip 11 connects the first flash lamp circuit 111
With the second flash lamp circuit 112；Described second flash lamp driving chip 12 connects triple flashing light circuit 121 and the 4th flash lamp
Circuit 122.Wherein, every road flash lamp circuit is connected with a light emitting diode：It is connected with first flash lamp circuit 111
One light emitting diode 1111；Second light emitting diode 1121 is connected with the second flash lamp circuit 112；Triple flashing light circuit
It is connected with the 3rd light emitting diode 1211 on 121；It is connected with the 4th light emitting diode 1221 on 4th flash lamp circuit 122.Often
Flash lamp driving chip, according to the control signal receiving, exports two-way driving current simultaneously, and described two-way driving current is divided
Yong Yu not light emitting diode on two-way flash lamp circuit for the drive connection.Two flash lamies of this specific embodiment drive core
Piece controls all light emitting diodes connecting on described four road flash lamp circuits to light simultaneously.
The flash unit of this specific embodiment, on the basis of an original flash lamp driving chip, increased one again
Flash lamp driving chip, two flash lamp driving chip drive two-way flash lamp circuit respectively, every flash lamp circuit connect
It is connected to a light emitting diode.So, the flash unit of this specific embodiment has four light emitting diodes, that is, light two
The quantity of pole pipe increased one times compared to prior art；And because two flash lamp driving chip of this specific embodiment are
Separate presence, the electric current of every flash lamp driving chip output does not affect each other；Due to flash lamp driving chip
Structure limit, the current value of the two-way electric current of the flash lamp driving chip of same model output is fixing.Thus, this is concrete
The total current of the flash unit of embodiment is the twice of prior art, and the illumination of flash unit has compared to prior art
Larger raising.Two light emitting diodes being electrically connected with every flash lamp driving chip in this specific embodiment are produced
Illumination is same as the prior art, but due to two flash lamp driving chip in the flash unit of this specific embodiment simultaneously
Drive, four light emitting diodes that four road flash lamp circuits connect are lit simultaneously, then the flash lamp of this specific embodiment
The total illumination of device will be far longer than and of the prior art only be configured with single flash lamp driving chip (two light emitting diodes)
Flash unit total illumination.
In order to reduce the complexity of circuit it is preferred that described first flash lamp driving chip 11 and the second flash lamp drive
Chip 12 is two identical chips.Described identical, refer to that every physical parameter of this two chips (for example works
Temperature, maximum output current etc.) identical.
For the ease of controlling it is preferred that described flash unit also includes microcontroller 13, described microcontroller 13 passes through
One twin wire serial communication bus (I2C) 14 are connected with two flash lamp driving chip.As shown in Figure 1, 2, described microcontroller
13 connect the first flash lamp driving chip 11, the second flash lamp driving chip 12 by twin wire serial communication bus 14.
In order to improve the irradiant uniformity of flash unit it is preferred that on described four road flash lamp circuits connect
All light emitting diodes are around a photographic head circular array.As shown in figure 3, described first light emitting diode 1111, second
Optical diode 1121, the 3rd light emitting diode 1211, the 4th light emitting diode 1221 are around a photographic head 15 circular array.This
Sample, in shooting process, the light that flash unit sends just can uniformly illuminate subject, it is to avoid flash of light shade
Occur, improve the quality of shooting image.Moreover, in order to protect light emitting diode to exempt from the interference of external environment, and enter
One step improves the uniformity of flash unit emergent ray it is preferred that described flash unit also includes Circular shape lampshade 16, described
Circular shape lampshade 16 is arranged around described photographic head 15, and the light that all of light emitting diode sends all projects from Circular shape lampshade 16.
It is furthermore preferred that described Circular shape lampshade 16 can be made using light-scattering material.Consequently, it is possible to the going out of described flash unit
Penetrate light and just can illuminate subject from all directions in the form of area source.
This specific embodiment additionally provides a kind of filming apparatus, and described filming apparatus include a kind of above-mentioned flash lamp dress
Put.Filming apparatus described in this specific embodiment can be but not limited to mobile phone, camera, panel computer, notebook computer etc..
Described flash unit can be the preposition and/or rearmounted flash lamp of filming apparatus, and this specific embodiment is not construed as limiting to this.
Flash unit and filming apparatus that this specific embodiment provides, by arranging two separate flash lamies
Driving chip, controls all light emitting diodes that two flash lamp driving chip connect to light simultaneously, increases by described sudden strain of a muscle
The electric current of light lamp device, improves the illumination of described flash unit, even if in the environment of dark, also can obtain preferably
Shooting brightness, improve image taking effect, high degree improve Consumer's Experience.
Second specific embodiment
This specific embodiment provides a kind of flash unit, and accompanying drawing 4 is the sudden strain of a muscle of the present invention second specific embodiment
The structural representation of light lamp device, accompanying drawing 5 is the circuit diagram of the flash unit of the present invention second specific embodiment, accompanying drawing 6
Be the present invention second specific embodiment flash unit in light emitting diode layout.As shown in figure 4, being originally embodied as
Flash unit described in mode includes two separate flash lamp driving chip, i.e. the first flash lamp driving chip 21 He
Second flash lamp driving chip 22.Described first flash lamp driving chip 21 and the second flash lamp driving chip 22 can be abilities
Flash lamp driving chip known to field technique personnel, such as U2304, this specific embodiment is not construed as limiting to this.Every sudden strain of a muscle
Light lamp driving chip connects two-way flash lamp circuit：Described first flash lamp driving chip 21 connects the first flash lamp circuit 211
With the second flash lamp circuit 212；Described second flash lamp driving chip 22 connects triple flashing light circuit 221 and the 4th flash lamp
Circuit 222.Wherein, at least one road flash lamp circuit is parallel with many light emitting diodes, described many refer to 2 or two with
On, those skilled in the art can arrange the quantity of light emitting diode in parallel on flash lamp circuit according to actual needs and need
The quantity of the flash lamp circuit of light emitting diode of parallel connection is set, and this specific embodiment is not construed as limiting to this.As Fig. 4-6 institute
Show, this specific embodiment illustrates taking two light emitting diodes all in parallel on the flash lamp circuit of every road as a example, that is,：First sudden strain of a muscle
First light emitting diode 2111 and the second light emitting diode 2112 are parallel with light circuit for lamp 211；On second flash lamp circuit 212
It is parallel with the 3rd light emitting diode 2121 and the 4th light emitting diode 2122；It is parallel with the 5th on triple flashing light circuit 221
Optical diode 2211 and the 6th light emitting diode 2212；It is parallel with the 7th light emitting diode 2221 on 4th flash lamp circuit 222
With the 8th light emitting diode 2222.Every flash lamp driving chip is according to the control signal receiving, output two-way driving simultaneously
Electric current, described two-way driving current is respectively used to light emitting diode on two-way flash lamp circuit for the drive connection.This is specifically real
The all light emitting diodes connecting are applied on the described four road flash lamp circuits of mode light simultaneously.
The flash unit of this specific embodiment, on the basis of an original flash lamp driving chip, increased one again
Flash lamp driving chip, two flash lamp driving chip drive two-way flash lamp circuit respectively, every flash lamp circuit connect
It is connected to 2 light emitting diodes.So, the flash unit of this specific embodiment has 8 light emitting diodes, i.e. light-emitting diodes
The quantity of pipe increased compared to prior art；And because two flash lamp driving chip of this specific embodiment are mutually only
Vertical presence, the electric current of every flash lamp driving chip output does not affect each other；Structure due to flash lamp driving chip
Limit, the current value of the two-way electric current of flash lamp driving chip output of same model is fixing.Thus, this specific embodiment party
Total output current of the flash unit of formula is the twice of prior art, and the illumination of flash unit has compared to prior art
Larger raising.And, two light emitting diodes in parallel on the flash lamp circuit of every road, and two light emitting diodes are two phases
Same light emitting diode, then the half being electric current on this road flash lamp circuit by the electric current of every light emitting diode, but every
The brightness value of light emitting diode is greater than the half of the brightness value being only connected with a light emitting diode on flash lamp circuit, thus
The total illumination of the light emitting diode on the flash lamp circuit of every road is compared to luminous on the flash lamp circuit of every road of the prior art
The total illumination of diode there has also been larger raising.In sum, the luminous illumination phase of the flash unit of this specific embodiment
Have increased significantly compared with prior art.
On the flash lamp circuit of every road can many light emitting diodes in parallel, but in order to cost-effective, and prevent due to flash of light
Lamp brightness excessive and cause over-exposed it is preferred that two light emitting diodes in parallel on the flash lamp circuit of every road.It is furthermore preferred that
Many LED package being parallel on the flash lamp circuit of same road or are parallel to the flash of light of same road in same flash lamp
Many light emitting diodes on circuit for lamp independently encapsulate.
In order to reduce the complexity of circuit it is preferred that described first flash lamp driving chip 21 and the second flash lamp drive
Chip 22 is two identical chips.Described identical, refer to that every physical parameter of this two chips (for example works
Temperature, maximum output current etc.) identical.
For the ease of controlling it is preferred that described flash unit also includes microcontroller 23, described microcontroller 23 passes through
One twin wire serial communication bus (I2C) 24 are connected with two flash lamp driving chip.As shown in Figure 4,5, described microcontroller
23 connect the first flash lamp driving chip 21, the second flash lamp driving chip 22 by twin wire serial communication bus 24.
In order to improve the irradiant uniformity of flash unit it is preferred that on described four road flash lamp circuits connect
All light emitting diodes are around a photographic head circular array.As shown in fig. 6, described first light emitting diode 2111, second
Optical diode 2112, the 3rd light emitting diode 2121, the 4th light emitting diode 2122, the 5th light emitting diode 2211, the 6th
Optical diode 2212, the 7th light emitting diode 2221, the 8th light emitting diode 2222 are around a photographic head 25 circular array.This
Sample, in shooting process, the light that flash unit sends just can uniformly illuminate subject, it is to avoid flash of light shade
Occur, improve the quality of shooting image.Moreover, in order to protect light emitting diode to exempt from the interference of external environment, and enter
One step improves the uniformity of flash unit emergent ray it is preferred that described flash unit also includes Circular shape lampshade 26, described
Circular shape lampshade 26 is arranged around described photographic head 25, and the light that all of light emitting diode sends all projects from Circular shape lampshade 26.
It is furthermore preferred that described Circular shape lampshade 26 can be made using light-scattering material.Consequently, it is possible to the going out of described flash unit
Penetrate light and just can illuminate subject from all directions in the form of area source.
This specific embodiment additionally provides a kind of filming apparatus, and described filming apparatus include a kind of above-mentioned flash lamp dress
Put.Filming apparatus described in this specific embodiment can be but not limited to mobile phone, camera, panel computer, notebook computer etc..
Described flash unit can be the preposition and/or rearmounted flash lamp of filming apparatus, and this specific embodiment is not construed as limiting to this.
Flash unit and filming apparatus that this specific embodiment provides, by arranging two separate flash lamies
Driving chip, controls all light emitting diodes that two flash lamp driving chip connect to light simultaneously, increases by described sudden strain of a muscle
The electric current of light lamp device, improves the illumination of described flash unit, even if in the environment of dark, also can obtain preferably
Shooting brightness, improve image taking effect, high degree improve Consumer's Experience.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of flash unit is it is characterised in that include two separate flash lamp driving chip and four road flash lamies
Circuit, and every flash lamp driving chip connects two-way flash lamp circuit；It is connected with least one on the flash lamp circuit of every road to send out
Optical diode；The all light emitting diodes connecting on described four road flash lamp circuits light simultaneously.
2. flash unit according to claim 1 is it is characterised in that be parallel with many at least one road flash lamp circuit
Light emitting diode.
3. flash unit according to claim 2 is it is characterised in that be parallel on the flash lamp circuit of same road many
LED package or is parallel to many light emitting diodes on the flash lamp circuit of same road respectively solely in same flash lamp
Vertical encapsulation.
4. flash unit according to claim 1 is it is characterised in that described flash unit also includes microcontroller,
Described microcontroller is connected with two flash lamp driving chip by twin wire serial communication bus.
5. flash unit according to claim 1 is it is characterised in that connect on described four road flash lamp circuits is all
Light emitting diode is around a photographic head circular array.
6. flash unit according to claim 5 is it is characterised in that described flash unit also includes Circular shape lampshade,
Described Circular shape lampshade is arranged around described photographic head, and the light that light emitting diode sends projects from Circular shape lampshade.
7. flash unit according to claim 6 is it is characterised in that described Circular shape lampshade adopts light-scattering material to make
Form.
8. flash unit according to claim 1 is it is characterised in that described two separate flash lamies drive core
Piece is two identical chips.
9. flash unit according to claim 1 is it is characterised in that be all parallel with two on described four road flash lamp circuits
It is all connected with a light emitting diode on light emitting diode or described four road flash lamp circuits.
10. a kind of filming apparatus are it is characterised in that include the flash unit described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108481.3A CN106412456A (en) | 2016-12-06 | 2016-12-06 | Flash device and shooting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108481.3A CN106412456A (en) | 2016-12-06 | 2016-12-06 | Flash device and shooting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106412456A true CN106412456A (en) | 2017-02-15 |
Family
ID=58083601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611108481.3A Pending CN106412456A (en) | 2016-12-06 | 2016-12-06 | Flash device and shooting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106412456A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080869A1 (en) * | 2017-10-24 | 2019-05-02 | 捷开通讯(深圳)有限公司 | Photography apparatus for electronic device and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639607A (en) * | 2008-07-29 | 2010-02-03 | 一品光学工业股份有限公司 | Camera-used arrayed LED spotlight |
| CN103874265A (en) * | 2012-12-11 | 2014-06-18 | 鸿富锦精密工业（深圳）有限公司 | Annular flash lamp structure |
| CN205546130U (en) * | 2016-01-22 | 2016-08-31 | 上海与德通讯技术有限公司 | Flash light control circuit and contain its mobile terminal |
| CN105991844A (en) * | 2016-07-19 | 2016-10-05 | 广东欧珀移动通信有限公司 | Camera and terminal device |
-
2016
- 2016-12-06 CN CN201611108481.3A patent/CN106412456A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639607A (en) * | 2008-07-29 | 2010-02-03 | 一品光学工业股份有限公司 | Camera-used arrayed LED spotlight |
| CN103874265A (en) * | 2012-12-11 | 2014-06-18 | 鸿富锦精密工业（深圳）有限公司 | Annular flash lamp structure |
| CN205546130U (en) * | 2016-01-22 | 2016-08-31 | 上海与德通讯技术有限公司 | Flash light control circuit and contain its mobile terminal |
| CN105991844A (en) * | 2016-07-19 | 2016-10-05 | 广东欧珀移动通信有限公司 | Camera and terminal device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080869A1 (en) * | 2017-10-24 | 2019-05-02 | 捷开通讯(深圳)有限公司 | Photography apparatus for electronic device and electronic device |
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Application publication date: 20170215 |
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