CN202135208U - Improved camera device - Google Patents
Improved camera device Download PDFInfo
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- CN202135208U CN202135208U CN201120186569U CN201120186569U CN202135208U CN 202135208 U CN202135208 U CN 202135208U CN 201120186569 U CN201120186569 U CN 201120186569U CN 201120186569 U CN201120186569 U CN 201120186569U CN 202135208 U CN202135208 U CN 202135208U
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- control chip
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- camera head
- transformer
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Abstract
The utility model discloses an improved camera device, comprising a flash lamp used for light supplement, a shooting unit used for shooting images, a photosensitive unit used for inducting ambient brightness, a master control chip used for adjusting sensitivity values of the photosensitive unit in dependence on the ambient brightness, and controlling the on-off of the flash lamp and the shooting unit, and a central processor used for controlling the work of the master control chip. The flash lamp, the shooting unit, the photosensitive unit and the central processor are respectively in connection with the master control chip. In a common shooting mode, the central processor outputs high level to charge for a capacitor; when a shooting button is pressed, the capacitor discharges to make the flash lamp flash. While in a process of shooting babies, the central processor outputs low level to make the master control chip unable to output charging signals, and thereby the flash lamp can not flash; the master control chip is utilized to raise the sensitivity values, thereby enhancing shooting brightness, thus the improved camera device is especially suitable for shooting the babies.
Description
Technical field
The utility model relates to the camera technique field, particularly a kind of improved camera head.
Background technology
Digital video (DV; Digital Video) shooting and camera function bring people convenient greatly and many fine memories; Many father and mother like that some have the important date in child's birth, a week, ten days, full moon, 100 days, one full year of life etc.; Take pictures to the baby, then collection of photos is got up to write down child's developmental process, but DV is when taking pictures; The high light that photoflash lamp sent can cause certain injury to baby's eyes and skin, if it is unintelligible to close the photo that photoflash lamp can cause taking.
Thereby prior art is still waiting to improve and improve.
Summary of the invention
In view of the weak point of above-mentioned prior art, the purpose of the utility model is to provide a kind of improved camera head, when taking the baby, can close photoflash lamp automatically and increase the photosensitivity of photosensitive unit.
In order to achieve the above object, the utility model has been taked following technical scheme:
A kind of improved camera head is characterized in that, comprising: the photoflash lamp that is used for light filling; The unit of taking pictures that is used for photographic images; The photosensitive unit that is used for induced environment brightness; Be used for regulating the photosensitivity numerical value of photosensitive unit according to ambient brightness, and the main control chip of the control photoflash lamp and the keying of the unit of taking pictures; Be used to control the central processing unit of main control chip work; Said photoflash lamp, the unit of taking pictures, photosensitive unit and central processing unit are connected with main control chip respectively.
Described improved camera head wherein, also comprises first step-up transformer, switching diode, first electric capacity, switch chip and second step-up transformer; The elementary end of the same name of said first step-up transformer is connected with the cell voltage input port of main control chip; The different name end of first step-up transformer is connected with the FET of main control chip drain electrode port; The secondary different name end of first stepup transformer is connected with first pin of said switching diode, end ground connection of the same name; Second pin of said switching diode connects first end of photoflash lamp; Finish indicator light port, charge switch control port and trigger switch control port of the charging of said main control chip is connected with central processing unit respectively; The input supply terminal mouth connects power supply; The grounding ports of main control chip and input current port ground connection; The output voltage feedback port is connected with the three-prong of switching diode with second resistance through first resistance successively, and the igbt drive source output port of main control chip drives the reception output port with igbt and is connected with the G port of switch chip with the 4th resistance through the 3rd resistance respectively; Three equal ground connection of E port of said switch chip; Four C ports of switch chip all are connected with first pin of second step-up transformer through said first electric capacity; The second pin ground connection of second step-up transformer, three-prong is connected with second end of photoflash lamp, the 3rd end ground connection of photoflash lamp.
Described improved camera head wherein, also comprises the switching key of the screening-mode that is used to switch camera head, and said switching key is connected with central processing unit.
Described improved camera head, wherein, it is the integrated chip of LP7270GDHW that said main control chip adopts model.
Described improved camera head, wherein, photosensitive unit is a light sensor.
Described improved camera head wherein, also comprises the button of taking pictures, and the said button of taking pictures is connected with central processing unit.
The improved camera head that the utility model provides when common screening-mode, by central processing unit output high level, charges to electric capacity; When pressing when taking pictures button, capacitor discharge makes the photoflash lamp flash of light, when taking the baby, by the central processing unit output low level; Make main control chip can't export charging signals, thereby photoflash lamp can't be glistened, improve photosensitivity numerical value through main control chip simultaneously; Thereby strengthen the brightness of taking pictures, improved the effect of taking pictures, be particularly suitable for taking the baby.
Description of drawings
Fig. 1 is the structured flowchart of the improved camera head preferred embodiment of the utility model.
Fig. 2 is the circuit theory diagrams of the improved camera head preferred embodiment of the utility model.
Embodiment
The utility model provides a kind of improved camera head, for purpose, technical scheme and the effect that makes the utility model is clearer, clear and definite, below with reference to accompanying drawing and give an actual example to the utility model further explain.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1, the improved camera head that the utility model embodiment provides comprises photoflash lamp 11, the unit 21 of taking pictures, photosensitive unit 31, main control chip U1 and central processing unit U2.Said photoflash lamp 11, the unit 21 of taking pictures, photosensitive unit are connected with main control chip U1 respectively with central processing unit U2.
Wherein, said photoflash lamp 11 is used for when taking pictures, carrying out light filling, the brightness when the raising camera head is taken pictures, and photoflash lamp 11 is generally opened when light is more weak automatically.The said unit 21 of taking pictures is used for photographic images when receiving the photographing command that central processing unit U2 sends; Said photosensitive unit 31 is a light sensor; Be used for the brightness of induced environment when camera head is taken pictures, and regulate the photosensitivity numerical value of photosensitive unit 31 according to ambient brightness by main control chip U1.
Said central processing unit U2 is used to control the work of main control chip U1, the exposal model output Different control signal that it is selected according to the user.Wherein, central processing unit U2 output high level when common screening-mode, central processing unit U2 output low level when baby's screening-mode.
It is the integrated chip of LP7270GDHW that said main control chip U1 adopts model; The effect of this main control chip U1 is: according to the control signal of central processing unit U2 transmission; The keying of control photoflash lamp 11, the unit 21 of taking pictures; And when photoflash lamp 11 cuts out, also has the function of regulating photosensitivity numerical value according to ambient brightness.In the specific implementation, when central processing unit U2 output high level, open photoflash lamp 11, when central processing unit U2 output low level, close photoflash lamp 11, and improve photosensitivity numerical value by main control chip U1.
The improved camera head that the utility model embodiment provides also comprises switching key 41; Said switching key 41 is a mechanical key; It is connected with central processing unit U2, is used to switch the screening-mode of camera head, wherein; When common screening-mode, trigger central processing unit U2 output high level, when baby's screening-mode, trigger central processing unit U2 output low level.Certainly, in other embodiments, the screening-mode of camera head also can switch through software, is common screening-mode or baby's screening-mode through selecting present mode at the display screen of camera head for example.
Please continue to consult Fig. 1, the camera head that the utility model is implemented to provide also comprises the button 51 of taking pictures, and the said button 51 of taking pictures is connected with central processing unit U2, and this button 51 of taking pictures sends the shooting control signal through interrupt mode notice central processing unit U2.In the present embodiment, the said button 51 of taking pictures is installed on the shell of camera head, is convenient to the user and carries out the action of taking pictures.
Please consult Fig. 2 in the lump, the camera head that the utility model embodiment provides also comprises the first step-up transformer TR1, switching diode D1, first capacitor C 1, switch chip U3 and the second step-up transformer TR2.
The elementary end of the same name of the said first step-up transformer TR1 and VBAT port (the cell voltage output port of main control chip U1; Be the 8th pin of main control chip U1) connect; The different name end of the first step-up transformer TR1 and the LX port of main control chip U1 [N-channel MOS pipe (meta oxid semiconductor; Mos field effect transistor) drain electrode port; Be the 6th pin of main control chip U1] connect, the secondary different name end of first stepup transformer is connected with first pin of said switching diode D1, end ground connection of the same name; Second pin of said switching diode D1 connects an end of photoflash lamp 11.
The DONE# port of said main control chip U1 (the charging indicator light port that finishes; Be the 2nd pin of main control chip U1), CHGE port (charge switch control port; Be the 9th pin of main control chip U1) and TRIG port (trigger switch control port; Be the 3rd pin of main control chip U1) be connected with central processing unit U2 respectively, VCC port (input supply terminal mouth, i.e. the 7th pin of main control chip U1) connects power supply; The grounding ports of main control chip U1 and ISET port (input current foot mouth; Be the 10th pin of main control chip U1) ground connection, FB port (output voltage feedback port, i.e. the 1st pin of main control chip U1) is connected with the three-prong of switching diode D1 with second resistance R 2 through first resistance R 1 successively; The OUTP port of main control chip U1 [IGBT (Insulated Gate Bipolar Transistor; Insulated gate bipolar transistor) drive source output port, i.e. the 4th pin of main control chip U1] and OUTN port (IGBT drive receive output port, i.e. the 5th pin of main control chip U1) be connected with the G port (being the 8th pin of switch chip U3) of switch chip U3 with the 4th resistance R 4 through the 3rd resistance R 3 respectively.
Three E ports of said switch chip U3 (being the 5th, 6,7 pins of switch chip U3) are ground connection all; Four C ports of switch chip U3 (being the 1-4 pin of switch chip U3) all are connected with first pin of the second step-up transformer TR2 through said first capacitor C 1; The second pin ground connection of the second step-up transformer TR2; Three-prong is connected with second end of photoflash lamp 11, the 3rd end ground connection of photoflash lamp 11, and said first capacitor C 1 is connected with the 3rd end of photoflash lamp through second capacitor C 2.
The improved camera head that the utility model embodiment provides promptly can be used for the shooting of general mode, can be exclusively used in baby's shooting again.Below the operation principle of this camera head is elaborated:
When the user adopts general mode to take; Put main control chip U1 chip CHGE pin by central processing unit U2 output high level; After the output signal of the LX pin of main control chip U1 carries out boosting inverter through the first step-up transformer TR1; Put switching diode D1 from TR1 level output of first step-up transformer and carry out rectification, produce 300 volts of voltages through 1 energy storage of first capacitor C afterwards; When charging finished, the DONE# pin of main control chip U1 was just exported the low level signal that charging finishes, and pressed the button of taking pictures this moment; The TRIG pin of main control chip U1 receives the flashing light of being sent here by central processing unit U2; Make OUTP, the OUTN pin trigger output voltage of main control chip U1, control switch chip U3 conducting, electric energy stored begins discharge in script first capacitor C 1 at this moment; In its loop, form electric current; Trigger supercharging through the second step-up transformer TR2 afterwards and produce high pressure, make nitrogen ionization and conducting in the photoflash lamp 11, the electric energy moment that stores on first capacitor C 1 is converted into luminous energy through photoflash lamp 11 discharges; Accomplish once flash of light, thereby under common screening-mode, realized taking pictures clearly effect.
When the user need take pictures to the baby; Only need to make camera head switch to " Babyfriendly pattern " from " general mode " through switching key; This moment, the OUTP pin of main control chip U1 can not receive charging signals, and when pressing the button of taking pictures, the OUTN pin of main control chip U1 can not receive triggering signal; Photoflash lamp 11 can't produce high pressure, thereby nitrogen can't can not glisten in ionization in the photoflash lamp 11.This moment, the display screen of camera head can show photoflash lamp 11 by the icon of locking, and expression photoflash lamp 11 is by locking, and main control chip U1 can't release signal.Can through ambient brightness that main control chip U1 according to photosensitive unit 31 respond to improve photosensitivity numerical value in order to improve the shooting effect of camera head this moment.Generally speaking: the numerical value of photosensitivity is big more, and photosensitive effect is sensitiveer, and the photo of taking is bright more.Under " Babyfriendly pattern "; Heighten photosensitivity numerical value and carry out central photometry; The photosensitive unit 31 of being responsible for photometry can organically separate the whole light value of camera head, and the photometric data of middle body occupies most ratios, and the photometric data beyond the picture central authorities plays the auxiliary effect of photometry as the fraction ratio; Thereby improve the brightness of taking pictures, improve the effect of taking pictures.
In sum, when the improved camera head that the utility model embodiment provides is used for flexible screening-mode, can be through photoflash lamp flash of light carrying out light filling; When taking pictures to the baby, close photoflash lamp, eliminated the injury of photoflash lamp, and in the locking photoflash lamp, raising photosensitivity numerical value still can be broken forth, and image quality is clear, the photo of real colour to the baby.
It is understandable that; Concerning those of ordinary skills; Can be equal to replacement or change according to the technical scheme and the utility model design thereof of the utility model, and all these changes or replacement all should belong to the protection range of the appended claim of the utility model.
Claims (6)
1. an improved camera head is characterized in that, comprising:
The photoflash lamp that is used for light filling;
The unit of taking pictures that is used for photographic images;
The photosensitive unit that is used for induced environment brightness;
Be used for regulating the photosensitivity numerical value of photosensitive unit according to ambient brightness, and the main control chip of the control photoflash lamp and the keying of the unit of taking pictures;
Be used to control the central processing unit of main control chip work;
Said photoflash lamp, the unit of taking pictures, photosensitive unit and central processing unit are connected with main control chip respectively.
2. improved camera head according to claim 1 is characterized in that, also comprises first step-up transformer, switching diode, first electric capacity, switch chip and second step-up transformer;
The elementary end of the same name of said first step-up transformer is connected with the cell voltage input port of main control chip; The different name end of first step-up transformer is connected with the FET of main control chip drain electrode port; The secondary different name end of first stepup transformer is connected with first pin of said switching diode; End ground connection of the same name, second pin of said switching diode connects first end of photoflash lamp;
Finish indicator light port, charge switch control port and trigger switch control port of the charging of said main control chip is connected with central processing unit respectively; The input supply terminal mouth connects power supply; The grounding ports of main control chip and input current port ground connection; The output voltage feedback port is connected with the three-prong of switching diode with second resistance through first resistance successively, and the igbt drive source output port of main control chip drives the reception output port with igbt and is connected with the G port of switch chip with the 4th resistance through the 3rd resistance respectively;
Three equal ground connection of E port of said switch chip; Four C ports of switch chip all are connected with first pin of second step-up transformer through said first electric capacity; The second pin ground connection of second step-up transformer, three-prong is connected with second end of photoflash lamp, the 3rd end ground connection of photoflash lamp.
3. improved camera head according to claim 1 is characterized in that, also comprises the switching key of the screening-mode that is used to switch camera head, and said switching key is connected with central processing unit.
4. improved camera head according to claim 1 is characterized in that, it is the integrated chip of LP7270GDHW that said main control chip adopts model.
5. improved camera head according to claim 1 is characterized in that, photosensitive unit is a light sensor.
6. improved camera head according to claim 1 is characterized in that, also comprises the button of taking pictures, and the said button of taking pictures is connected with central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120186569U CN202135208U (en) | 2011-06-03 | 2011-06-03 | Improved camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120186569U CN202135208U (en) | 2011-06-03 | 2011-06-03 | Improved camera device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202135208U true CN202135208U (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120186569U Expired - Lifetime CN202135208U (en) | 2011-06-03 | 2011-06-03 | Improved camera device |
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| Country | Link |
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| CN (1) | CN202135208U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857685A (en) * | 2011-06-29 | 2013-01-02 | 宏达国际电子股份有限公司 | Image capturing method and image capturing system |
| CN103248829A (en) * | 2013-04-24 | 2013-08-14 | 深圳市金立通信设备有限公司 | Method for adjusting flashlight during photographing and photographing device |
| WO2014086241A1 (en) * | 2012-12-04 | 2014-06-12 | 华为终端有限公司 | Method and device for automatically setting photographing mode |
| CN104754220A (en) * | 2015-03-10 | 2015-07-01 | 深圳市金立通信设备有限公司 | Shooting method |
| CN104345868B (en) * | 2013-07-24 | 2019-01-04 | 三星电子株式会社 | The method of the power of application processor, mobile device and management application processor |
| CN110650271A (en) * | 2018-06-26 | 2020-01-03 | 佳能株式会社 | Image pickup apparatus, light emitting apparatus, image pickup system, control method thereof, and storage medium |
-
2011
- 2011-06-03 CN CN201120186569U patent/CN202135208U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857685A (en) * | 2011-06-29 | 2013-01-02 | 宏达国际电子股份有限公司 | Image capturing method and image capturing system |
| WO2014086241A1 (en) * | 2012-12-04 | 2014-06-12 | 华为终端有限公司 | Method and device for automatically setting photographing mode |
| CN103248829A (en) * | 2013-04-24 | 2013-08-14 | 深圳市金立通信设备有限公司 | Method for adjusting flashlight during photographing and photographing device |
| CN103248829B (en) * | 2013-04-24 | 2016-09-14 | 深圳市金立通信设备有限公司 | A kind of method regulating flash lamp when taking pictures and photographic means |
| CN104345868B (en) * | 2013-07-24 | 2019-01-04 | 三星电子株式会社 | The method of the power of application processor, mobile device and management application processor |
| CN104754220A (en) * | 2015-03-10 | 2015-07-01 | 深圳市金立通信设备有限公司 | Shooting method |
| CN110650271A (en) * | 2018-06-26 | 2020-01-03 | 佳能株式会社 | Image pickup apparatus, light emitting apparatus, image pickup system, control method thereof, and storage medium |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171103 Address after: 516006 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 19 district Patentee after: TCL New Technology (Huizhou) Co., Ltd. Address before: 518067 Guangdong city of Shenzhen province Nanshan District Shekou Industrial Road No. 5 Building 1 Lushi Arts crafts emporium E district two building 201 Patentee before: TCL Digital Technology (Shenzhen) Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |