CN103152525A - Safety laser camera - Google Patents
Safety laser camera Download PDFInfo
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- CN103152525A CN103152525A CN2013100871135A CN201310087113A CN103152525A CN 103152525 A CN103152525 A CN 103152525A CN 2013100871135 A CN2013100871135 A CN 2013100871135A CN 201310087113 A CN201310087113 A CN 201310087113A CN 103152525 A CN103152525 A CN 103152525A
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Abstract
The invention discloses a safety laser camera. The technical scheme includes that the safety laser camera comprises an imaging lens, wherein the imaging lens is connected with a photoelectric imaging detector, the photoelectric imaging detector is connected with an image processing circuit, the image processing circuit is connected with an MCU (micro control unit), the MCU is connected with a laser driver and power regulation circuit, the laser driver and power regulation circuit is connected with a laser lighting device, the laser lighting device emits laser to light a target, the target reflects laser, the imaging lens receives the laser reflected by the target to form an image, the photoelectric imaging detector converts a light signal for imaging in the imaging lens into an electrical signal, and transmits the imaging brightness information of the imaging lens to the MCU after passing through the image processing circuit, and the MCU automatically regulates the laser power of the laser lighting device to be in a safety threshold according to the brightness information after receiving the brightness information.
Description
Technical field
The present invention is a kind of safe laser camera.
Background technology
Along with the development of laser illumination night vision technology, various laser lighting products have been widely used in the every field of security monitoring.Laser single-shot exit point power is high, and concentration of energy can reach hundreds of rice to several kilometers illuminations at a distance.Realize long distance illumination, common laser power all more than 1W, far exceeds the standard of 4 class laser.Although also there are some products to adopt some even light, wide-angle illumination, the high collimation characteristics of laser have been destroyed, but for remote product, particularly optical fiber is exported, encircled energy is still very high, if estimate in strict accordance with GB GB7247.1 " Safety of the laser products ", it is the degree that is difficult to reach overall safety.The long distance laser video camera all is arranged on spacious field, high tower or high building top usually, there is no personnel around usually, so when using, fail safe is still higher.Along with the application of laser camera at safe city, mainly be arranged on the position of several meters high, observed personnel are nearer for distance, and fail safe will reduce greatly.
The patent of the applicant's invention adopts the laser safety automatic control technology, utilize video camera self imaging to laser lighting brightness automatic discrimination algorithm, whether real-time judge laser lighting power surpasses threshold value, automatically adjust laser lighting power, to guarantee that laser intensity is in safe low-power value all the time, the harm of the reduction laser of maximum limit system like this realizes the purpose of safe laser lighting.
No matter when vocabulary " laser " used in the present invention all comprises LED, because along with single-point LED power improves constantly, the security protection shooting product that is used for the LED illumination needs to consider safety problem too, this clear in GB GB7247.1 " Safety of the laser products ".So the present invention is applicable to the video camera of high-capacity LED illumination too.
Summary of the invention
The present invention is in order to make up the deficiencies in the prior art, a kind of safe laser camera is provided, utilize video camera self imaging to laser lighting power automatic discrimination algorithm, whether real-time judge laser lighting power surpasses threshold value, automatically adjust laser lighting power, to guarantee that laser intensity is in safe low-power value all the time, realizes the purpose of safe laser lighting.
the present invention realizes by following technical measures: a kind of safe laser camera system, comprise laser illuminator, Laser Driven and power conditioning circuitry, MCU, image processing circuit, the photoelectronic imaging detector, imaging lens, described imaging lens is connected with described photoelectronic imaging detector, described photoelectronic imaging detector is connected with described image processing circuit, described image processing circuit is connected with described MCU, described MCU is connected with power conditioning circuitry with described Laser Driven, described Laser Driven is connected with laser illuminator with power conditioning circuitry, MCU can control Laser Driven and power conditioning circuitry, laser power size to laser illuminator is controlled, can receive the image luminance information that image processing circuit sends, described laser illuminator Emission Lasers illumination target, the target reflector laser, the imaging of imaging lens receiving target reflector laser, the photoelectronic imaging detector is transformed into the signal of telecommunication with the light signal of imaging in described imaging lens, after image processing circuit, the monochrome information of imaging in described imaging lens is sent to MCU, after MCU receives described monochrome information, automatically adjust the laser power of laser illuminator within secure threshold according to described monochrome information.
Beneficial effect of the present invention is: the present invention adopts the laser safety automatic control technology, utilize the brightness of video camera self imaging to laser lighting power automatic discrimination algorithm, whether real-time judge laser lighting power surpasses threshold value, automatically adjust laser lighting power, to guarantee that laser intensity is in safe low-power value all the time, the harm of the reduction laser of maximum limit system like this realizes the purpose of safe laser lighting.
Description of drawings
Fig. 1 is the theory structure schematic diagram of the specific embodiment of the invention.
Fig. 2 is the MCU control logic figure in the specific embodiment of the invention.
In figure, 1, laser illuminator, 2, Laser Driven and power conditioning circuitry, 3, MCU, 4, image processing circuit, 5, the photoelectronic imaging detector, 6, imaging lens, 7, target.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by an embodiment, and in conjunction with it
Accompanying drawing is set forth this programme.
as shown in drawings, the present invention is a kind of safe laser camera, comprise laser illuminator 1, Laser Driven and power conditioning circuitry 2, MCU3, image processing circuit 4, photoelectronic imaging detector 5, imaging lens 6, described imaging lens 6 is connected with described photoelectronic imaging detector 5, described photoelectronic imaging detector 5 is connected with described image processing circuit 4, described image processing circuit 4 is connected with described MCU3, described MCU3 is connected with power conditioning circuitry 2 with described Laser Driven, described Laser Driven is connected with laser illuminator 1 with power conditioning circuitry 2, MCU3 can control Laser Driven and power conditioning circuitry 2, laser power size to laser illuminator 1 is controlled, can receive the image luminance information that image processing circuit 4 sends, described laser illuminator 1 Emission Lasers illumination target, the target reflector laser, imaging lens 6 receiving target reflector laser imagings, photoelectronic imaging detector 5 is transformed into the signal of telecommunication with the light signal of imaging in described imaging lens 6, after image processing circuit, the monochrome information of imaging in described imaging lens is sent to MCU3, after MCU3 receives described monochrome information, automatically adjust the laser power of laser illuminator 1 within secure threshold according to described monochrome information.
The present invention can pass through existing techniques in realizing without the technical characterictic of describing, and does not repeat them here.Certainly; above-mentioned explanation is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (1)
1. safe laser camera system, it is characterized in that, comprise laser illuminator, Laser Driven and power conditioning circuitry, MCU, image processing circuit, the photoelectronic imaging detector, imaging lens, described imaging lens is connected with described photoelectronic imaging detector, described photoelectronic imaging detector is connected with described image processing circuit, described image processing circuit is connected with described MCU, described MCU is connected with power conditioning circuitry with described Laser Driven, described Laser Driven is connected with laser illuminator with power conditioning circuitry, MCU can control Laser Driven and power conditioning circuitry, laser power size to laser illuminator is controlled, can receive the image luminance information that image processing circuit sends, described laser illuminator Emission Lasers illumination target, the target reflector laser, the imaging of imaging lens receiving target reflector laser, the photoelectronic imaging detector is transformed into the signal of telecommunication with the light signal of imaging in described imaging lens, after image processing circuit, the monochrome information of imaging in described imaging lens is sent to MCU, after MCU receives described monochrome information, automatically adjust the laser power of laser illuminator within secure threshold according to described monochrome information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100871135A CN103152525A (en) | 2013-03-19 | 2013-03-19 | Safety laser camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100871135A CN103152525A (en) | 2013-03-19 | 2013-03-19 | Safety laser camera |
Publications (1)
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|---|---|
| CN103152525A true CN103152525A (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100871135A Pending CN103152525A (en) | 2013-03-19 | 2013-03-19 | Safety laser camera |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412434A (en) * | 2016-10-11 | 2017-02-15 | 中国人民解放军陆军军官学院 | Method for self-adapting to image brightness and focal length of laser assisted imaging |
| CN107392173A (en) * | 2017-08-04 | 2017-11-24 | 成都云擎科技有限公司 | A kind of anti-UAS based on photoelectric search |
| CN108376251A (en) * | 2018-02-27 | 2018-08-07 | 广东欧珀移动通信有限公司 | Control method, control device, terminal, computer equipment and storage medium |
| CN111133330A (en) * | 2018-08-29 | 2020-05-08 | 深圳市大疆创新科技有限公司 | Control method and device of laser radar, laser radar and storage medium |
| US11335028B2 (en) | 2018-02-27 | 2022-05-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Control method based on facial image, related control device, terminal and computer device |
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| JP2010044204A (en) * | 2008-08-12 | 2010-02-25 | Konica Minolta Opto Inc | Laser projection apparatus |
| CN201666970U (en) * | 2010-01-19 | 2010-12-08 | 山东神戎电子股份有限公司 | Laser night vision device with safety protection function |
| CN202334762U (en) * | 2011-11-28 | 2012-07-11 | 长春德信光电技术有限公司 | All-weather color image white light laser monitoring system device |
| WO2012117548A1 (en) * | 2011-03-03 | 2012-09-07 | Ｎｅｃディスプレイソリューションズ株式会社 | Image projection device and light source control method |
| CN203086584U (en) * | 2013-03-19 | 2013-07-24 | 北京和普威视光电技术有限公司 | Safe laser camera |
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2013
- 2013-03-19 CN CN2013100871135A patent/CN103152525A/en active Pending
Patent Citations (5)
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| JP2010044204A (en) * | 2008-08-12 | 2010-02-25 | Konica Minolta Opto Inc | Laser projection apparatus |
| CN201666970U (en) * | 2010-01-19 | 2010-12-08 | 山东神戎电子股份有限公司 | Laser night vision device with safety protection function |
| WO2012117548A1 (en) * | 2011-03-03 | 2012-09-07 | Ｎｅｃディスプレイソリューションズ株式会社 | Image projection device and light source control method |
| CN202334762U (en) * | 2011-11-28 | 2012-07-11 | 长春德信光电技术有限公司 | All-weather color image white light laser monitoring system device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412434A (en) * | 2016-10-11 | 2017-02-15 | 中国人民解放军陆军军官学院 | Method for self-adapting to image brightness and focal length of laser assisted imaging |
| CN106412434B (en) * | 2016-10-11 | 2020-11-10 | 中国人民解放军陆军军官学院 | Method for self-adapting brightness and focal length of laser vision-aid imaging image |
| CN107392173A (en) * | 2017-08-04 | 2017-11-24 | 成都云擎科技有限公司 | A kind of anti-UAS based on photoelectric search |
| CN107392173B (en) * | 2017-08-04 | 2023-10-03 | 成都云擎科技有限公司 | Anti-unmanned aerial vehicle system based on photoelectric search |
| CN108376251A (en) * | 2018-02-27 | 2018-08-07 | 广东欧珀移动通信有限公司 | Control method, control device, terminal, computer equipment and storage medium |
| US11335028B2 (en) | 2018-02-27 | 2022-05-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Control method based on facial image, related control device, terminal and computer device |
| CN111133330A (en) * | 2018-08-29 | 2020-05-08 | 深圳市大疆创新科技有限公司 | Control method and device of laser radar, laser radar and storage medium |
| CN111133330B (en) * | 2018-08-29 | 2023-10-17 | 深圳市大疆创新科技有限公司 | Laser radar control method and device, laser radar and storage medium |
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Application publication date: 20130612 |