CN202004867U - Day and night camera and infrared filter switching control system - Google Patents
Day and night camera and infrared filter switching control system Download PDFInfo
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- CN202004867U CN202004867U CN2011200751712U CN201120075171U CN202004867U CN 202004867 U CN202004867 U CN 202004867U CN 2011200751712 U CN2011200751712 U CN 2011200751712U CN 201120075171 U CN201120075171 U CN 201120075171U CN 202004867 U CN202004867 U CN 202004867U
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- 230000006698 induction Effects 0.000 abstract description 15
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Abstract
The utility model discloses a day and night camera and an infrared filter switching control system, comprising an infrared filter switching device, a driver module, a microcontroller, an infrared cutoff filter and a photosensitive induction module, wherein the infrared filter switching device, the driver module and the microcontroller are sequentially connected, the photosensitive induction module is connected with the microcontroller, the infrared cutoff filter is arranged at the front end of the photosensitive induction module for filtering infrared light incident into the photosensitive induction module. By adopting the utility model, the switching action of the infrared filter switching device of the day and night camera can be accurately controlled, so as to avoid false operation.
Description
Technical field
The utility model relates to a kind of video camera, in particular a kind of day and night type video camera and infrared fileter handover control system thereof.
Background technology
Existing day and night type video camera is when arriving certain low-light (level) by the illumination that CCD/CMOS senses light, the value of illumination register also can change accordingly among the image processing DSP, whether at this moment external MCU decides infrared fileter to switch to feel infrared mode night by reading among the DSP value of this register, and image becomes black and white simultaneously.Equally, when the illumination of light arrived certain high illumination, whether external MCU decided infrared fileter to switch to not feel infrared mode daytime by reading among the DSP value of this register.
When infrared filter switches to Night, if open infrared lamp, the light that at this moment enters CCD is with grow, and the value of illumination register becomes big among the DSP, MCU can think it is to daytime by mistake by reading this value, filter can be switched to and not respond to infrared day mode.Owing at this moment do not feel infrared, CCD receives light and will tail off, and after MCU reads the value of above-mentioned register among the DSP, filter can be switched to the infrared Night of sense again.So repeatedly, cause filter to switch back and forth.For this problem of countermeasure, when forwarding day mode to, can heighten the illumination threshold values of judging the conversion day mode usually by Night, therefore can be after it to be light, video camera also is in the white-black pattern at night.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is to provide a kind of day and night type video camera and infrared fileter handover control system thereof; be intended to solve existing day and night type video camera and can heighten the problem that after it is light, does not also switch to day mode that causes to the illumination threshold values of judging the conversion day mode usually.
The technical solution of the utility model is as follows:
A kind of infrared fileter handover control system of day and night type video camera, wherein, comprise infrared fileter switching device shifter, driver module, microcontroller, cutoff filter and light-inductive module, described infrared fileter switching device shifter, driver module, microcontroller connect successively; Described light-inductive module connects described microcontroller, and described cutoff filter is arranged on the front end of light-inductive module, is used for the infrared light that the light-inductive module is injected in elimination.
The infrared fileter handover control system of described day and night type video camera, wherein, described microcontroller is used to obtain the magnitude of voltage of light-inductive module, and with the voltage threshold of the magnitude of voltage that obtains and setting relatively, according to comparative result control the infrared fileter switching device shifter switch to daytime screening-mode or night screening-mode.
The infrared fileter handover control system of described day and night type video camera, wherein, greater than the voltage threshold of setting, described microprocessor controls driver module makes the infrared fileter switching device shifter switch to the screening-mode on daytime as if the magnitude of voltage that obtains; If the magnitude of voltage that obtains is less than the voltage threshold of setting, described microprocessor controls driver module makes the infrared fileter switching device shifter switch to the screening-mode at night.
The infrared fileter handover control system of described day and night type video camera, wherein, described infrared fileter switching device shifter is the screening-mode on daytime when switching to infrared fileter; Described infrared fileter switching device shifter is the screening-mode at night when switching to common filter.
The infrared fileter handover control system of described day and night type video camera, wherein, described light-inductive module is photo resistance.
A kind of day and night type video camera comprises camera lens, wherein, also comprises above-mentioned any described infrared fileter handover control system, and the infrared fileter switching device shifter in the described infrared fileter handover control system is arranged in the camera lens.
Described day and night type video camera, wherein, cutoff filter in the described infrared fileter handover control system and light-inductive module are arranged on the front end of camera lens.
The beneficial effects of the utility model: the utility model adds cutoff filter simultaneously by come the variation of sensing light power with photo resistance before photo resistance, eliminated the interference of infrared lamp.Can reach by the voltage threshold of setting very accurate photo resistance simultaneously and make day and night that the type video camera can switch to day mode from Night accurately.
Description of drawings
Fig. 1 is the structural representation of the infrared fileter handover control system that provides of the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, below the utility model is further described with reference to the accompanying drawing embodiment that develops simultaneously.
Referring to Fig. 1, the infrared fileter handover control system of the day and night type video camera that the utility model provides comprises infrared fileter switching device shifter 12, driver module 2, MCU(microcontroller) 3, the DSP(digital processing unit) 4, light illumination induction module 13.Described light illumination induction module 13 is arranged on the day and night afterbody of the camera lens 1 of type video camera, photosurface the place ahead at described light illumination induction module 13 is provided with infrared fileter switching device shifter 12, described infrared fileter switching device shifter 12 and driver module 2, MCU(microcontroller) 3 be connected successively, described light illumination induction module 13 connects described DSP(digital processing unit) 4, described DSP(digital processing unit) 4 connection MCU(microcontrollers) 3.
Described day and night type video camera is provided with cutoff filter 14 and light-inductive module 15.Described light-inductive module 15 is arranged on the back side of described cutoff filter 14, by cutoff filter 14 elimination infrared lights, makes light-inductive module 15 not be subjected to the influence of infrared light.Described light-inductive module 15 connects described MCU(microcontroller) 3, described MCU(microcontroller) whether the 3 light intensity control and driving module 2 that read 15 inductions of light-inductive module drive the filter before described infrared fileter switching device shifter 12 switches light illumination induction modules 13.
Described camera lens 1 is provided with eyeglass 11, light is injected in the video camera by eyeglass 11, see through infrared fileter switching device shifter 12 then and be incident upon on the light illumination induction module 13, described light illumination induction module 13 is input to the intensity of illumination of sensing and carries out imaging on the digital processing unit 4.
At described MCU(microcontroller) 3 be provided with voltage threshold, when the magnitude of voltage that produces when light-inductive module 15 is lower than the voltage threshold of setting, described MCU(microcontroller) 3 control and driving module 2 make infrared fileter switching device shifter 12 switch to the screening-mode at night; When the magnitude of voltage that produces when light-inductive module 15 is higher than the voltage threshold of setting, described MCU(microcontroller) 3 control and driving module 2 make infrared fileter switching device shifter 12 switch to the screening-mode on daytime.Described daytime, screening-mode promptly was provided with infrared fileter before light illumination induction module 13; Described night, screening-mode was not common filter for before light illumination induction module 13 infrared fileter not being set.
The illumination of light described in present embodiment induction module 13 is ccd image sensor or cmos sensor.Described light-inductive module 15 is photo resistance.In order to be that what of light that camera lens obtains described photo resistance can sense, described light-inductive module 15 is arranged on the camera lens 1.
Owing to before photo resistance, set up cutoff filter 14, also just eliminated the interference of infrared lamp.When night, after infrared lamp was opened, photo resistance can not sensed the light grow, and magnitude of voltage just can not uprise, and just can not cause the misoperation of switching device of optical fiber 12.So when Night forwards day mode to, just do not need by existing mode the illumination threshold values of judging the conversion day mode to be heightened, the voltage threshold that only needs to set accurate photo resistance can solve the problem that day light back switching device shifter does not switch to day mode.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (4)
1. infrared fileter handover control system of type video camera day and night, it is characterized in that, comprise infrared fileter switching device shifter, driver module, microcontroller, cutoff filter and light-inductive module, described infrared fileter switching device shifter, driver module, microcontroller connect successively; Described light-inductive module connects described microcontroller, and described cutoff filter is arranged on the front end of light-inductive module.
2. the infrared fileter handover control system of day and night type video camera according to claim 1 is characterized in that, described light-inductive module is photo resistance.
3. a type video camera day and night comprises camera lens, it is characterized in that, also comprises the infrared fileter handover control system described in any one of the claim 1 to 2, and the infrared fileter switching device shifter in the described infrared fileter handover control system is arranged in the camera lens.
4. day and night type video camera according to claim 3 is characterized in that cutoff filter in the described infrared fileter handover control system and light-inductive module are arranged on the front end of camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200751712U CN202004867U (en) | 2011-03-21 | 2011-03-21 | Day and night camera and infrared filter switching control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200751712U CN202004867U (en) | 2011-03-21 | 2011-03-21 | Day and night camera and infrared filter switching control system |
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| Publication Number | Publication Date |
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| CN202004867U true CN202004867U (en) | 2011-10-05 |
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| CN2011200751712U Expired - Lifetime CN202004867U (en) | 2011-03-21 | 2011-03-21 | Day and night camera and infrared filter switching control system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801906A (en) * | 2012-08-02 | 2012-11-28 | 东莞市南星电子有限公司 | Monitoring camera with day and night double apertures |
| CN103197493A (en) * | 2013-04-24 | 2013-07-10 | 深圳市威展力众科技有限公司 | Optical filter device arranged between camera lens and image sensor |
| CN104023168A (en) * | 2013-04-20 | 2014-09-03 | 昆山友进智能建筑工程有限公司 | Novel monitoring security camera with protective cover |
| CN104853094A (en) * | 2015-04-30 | 2015-08-19 | 广东欧珀移动通信有限公司 | Photographing method and device |
| CN105262940A (en) * | 2015-10-22 | 2016-01-20 | 深圳赋远科技有限公司 | Back focus adjustment mechanism and photographic device |
| CN105867223A (en) * | 2016-04-12 | 2016-08-17 | 吉晟光电（深圳）有限公司 | Optical filter switching control circuit |
| CN105991936A (en) * | 2015-02-15 | 2016-10-05 | 广东中星电子有限公司 | Method for controlling automatic switching of infrared filter |
| CN106200904A (en) * | 2016-06-27 | 2016-12-07 | 乐视控股（北京）有限公司 | A kind of gesture identifying device, electronic equipment and gesture identification method |
| CN108200322A (en) * | 2018-02-01 | 2018-06-22 | 天津天地伟业信息系统集成有限公司 | A kind of empty burnt solution of video camera camera lens under white-black pattern |
| CN108629940A (en) * | 2018-05-02 | 2018-10-09 | 北京准视科技有限公司 | A kind of image-type fire detection alarm system |
| CN109743500A (en) * | 2019-01-14 | 2019-05-10 | 深圳市同为数码科技股份有限公司 | A kind of calibration, switching method and the device of thermal camera diurnal pattern |
| CN113747082A (en) * | 2020-05-27 | 2021-12-03 | 合肥君正科技有限公司 | Detection method for automatic day and night switching and rapid automatic exposure |
-
2011
- 2011-03-21 CN CN2011200751712U patent/CN202004867U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801906B (en) * | 2012-08-02 | 2015-04-15 | 东莞市南星电子有限公司 | Monitoring camera with day and night double apertures |
| CN102801906A (en) * | 2012-08-02 | 2012-11-28 | 东莞市南星电子有限公司 | Monitoring camera with day and night double apertures |
| CN104023168A (en) * | 2013-04-20 | 2014-09-03 | 昆山友进智能建筑工程有限公司 | Novel monitoring security camera with protective cover |
| CN103197493A (en) * | 2013-04-24 | 2013-07-10 | 深圳市威展力众科技有限公司 | Optical filter device arranged between camera lens and image sensor |
| WO2014172806A1 (en) * | 2013-04-24 | 2014-10-30 | 深圳市威展力众科技有限公司 | Optical filter device arranged between lens and image sensor |
| CN105991936A (en) * | 2015-02-15 | 2016-10-05 | 广东中星电子有限公司 | Method for controlling automatic switching of infrared filter |
| CN104853094A (en) * | 2015-04-30 | 2015-08-19 | 广东欧珀移动通信有限公司 | Photographing method and device |
| CN105262940A (en) * | 2015-10-22 | 2016-01-20 | 深圳赋远科技有限公司 | Back focus adjustment mechanism and photographic device |
| CN105867223A (en) * | 2016-04-12 | 2016-08-17 | 吉晟光电（深圳）有限公司 | Optical filter switching control circuit |
| CN105867223B (en) * | 2016-04-12 | 2018-09-25 | 吉晟光电（深圳）有限公司 | Optical fiber switch control circuit |
| CN106200904A (en) * | 2016-06-27 | 2016-12-07 | 乐视控股（北京）有限公司 | A kind of gesture identifying device, electronic equipment and gesture identification method |
| CN108200322A (en) * | 2018-02-01 | 2018-06-22 | 天津天地伟业信息系统集成有限公司 | A kind of empty burnt solution of video camera camera lens under white-black pattern |
| CN108629940A (en) * | 2018-05-02 | 2018-10-09 | 北京准视科技有限公司 | A kind of image-type fire detection alarm system |
| CN109743500A (en) * | 2019-01-14 | 2019-05-10 | 深圳市同为数码科技股份有限公司 | A kind of calibration, switching method and the device of thermal camera diurnal pattern |
| CN113747082A (en) * | 2020-05-27 | 2021-12-03 | 合肥君正科技有限公司 | Detection method for automatic day and night switching and rapid automatic exposure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Day and night camera and infrared filter switching control system Effective date of registration: 20120401 Granted publication date: 20111005 Pledgee: Shenzhen Nanshan village bank Limited by Share Ltd Baosheng Pledgor: Electronics Co., Ltd. Shenzhen Bao miles Registration number: 2012990000120 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140320 Granted publication date: 20111005 Pledgee: Shenzhen Nanshan village bank Limited by Share Ltd Baosheng Pledgor: Electronics Co., Ltd. Shenzhen Bao miles Registration number: 2012990000120 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Day and night camera and infrared filter switching control system Effective date of registration: 20140410 Granted publication date: 20111005 Pledgee: Shenzhen Nanshan village bank Limited by Share Ltd Baosheng Pledgor: Electronics Co., Ltd. Shenzhen Bao miles Registration number: 2014990000253 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180123 Granted publication date: 20111005 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210123 Granted publication date: 20111005 |
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| PD01 | Discharge of preservation of patent | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
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| CX01 | Expiry of patent term |