CN202309905U - Infrared-laser-based intelligent light supplementing device and infrared laser camera - Google Patents
Infrared-laser-based intelligent light supplementing device and infrared laser camera Download PDFInfo
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- CN202309905U CN202309905U CN2011203985172U CN201120398517U CN202309905U CN 202309905 U CN202309905 U CN 202309905U CN 2011203985172 U CN2011203985172 U CN 2011203985172U CN 201120398517 U CN201120398517 U CN 201120398517U CN 202309905 U CN202309905 U CN 202309905U
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- infrared
- laser
- sampling resistor
- infrared laser
- light supplementing
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Abstract
The utility model belongs to the technical field of manufacturing of video monitoring security devices and relates to a video acquisition device, in particular to an infrared-laser-based intelligent light supplementing device, which can be used for increasing and improving the quality of night-vision images of video acquisition obviously. The utility model further provides an infrared laser camera with application of the infrared-laser-based intelligent light supplementing device. According to the infrared-laser-based intelligent light supplementing device, a power supply is electrically connected with a sampling resistor and an infrared light supplementing lamp, the sampling resistor is grounded, the sampling resistor and the infrared light supplementing lamp are further electrically connected with an NMOS (N-Channel Metal Oxide Semiconductor) switching tube, a connecting wire of the sampling resistor and the NMOS switching tube is electrically connected with an RC (Resistor Inductor) filter, the RC filter is electrically connected with an operational amplifier which is electrically connected with an MCU (Microprogrammed Control Unit), the MCU is electrically connected with an integrated machine core, an illuminance sensor and the NMOS switching tube, and the NMOS switching tube is electrically connected with the infrared light supplementing lamp. The infrared-laser-based intelligent light supplementing device disclosed by the utility model has the advantages of effectively reducing the energy consumption of an infrared laser, prolonging the service life of the laser and being increased in reliability and environment adaptability.
Description
Technical field
The utility model belongs to video monitoring safety device manufacturing technology field, relates to video acquisition device, specifically is a kind of infrared laser intelligence light compensating apparatus, and it can improve and improve the night vision image quality of video acquisition significantly.The utility model also provides a kind of infrared laser video camera of using infrared laser intelligence light compensating apparatus.
Background technology
At present a lot of video monitoring products have the switch in control infrared laser light filling source, the light filling amount that but can't regulate infrared laser light filling source automatically.Though there are high luminous efficiency and luminous intensity in infrared laser light filling source; Its electro-optical efficiency is the highest also can be up to more than 80%; Regulate the brightness in infrared laser light filling source but in practical application, but need link, to realize better night vision image quality according to the distance of environment; In addition, this type of control device not only need use special chip, and peripheral circuit is also complicated.
Summary of the invention
The utility model discloses a kind of infrared laser intelligence light compensating apparatus, it adopts the driving of MCU+NMOS pipe as infrared lamp, and combines illumination inductor and integrated movement to realize controlling infrared laser light filling source.The utility model also provides a kind of infrared laser video camera of using infrared laser intelligence light compensating apparatus.
The utility model is taked following technical scheme: infrared laser intelligence light compensating apparatus; It comprises integrated movement, power supply, sampling resistor, RC filtering, amplifier, MCU, illumination inductor, nmos switch pipe, infrared light filling lamp, and power supply and sampling resistor, infrared light filling lamp electrically connect sampling resistor ground connection; Sampling resistor, infrared light filling lamp electrically connect with the nmos switch pipe again; Sampling resistor connects with the RC filtered electrical with the tie of nmos switch pipe, and RC filtering and amplifier electrically connect, and amplifier and MCU electrically connect; MCU and integrated movement, illumination inductor, nmos switch pipe electrically connect, and nmos switch pipe and infrared light filling lamp electrically connect.
Described infrared laser intelligence light compensating apparatus, the nmos switch pipe adopts the ID electric current greater than the nmos switch pipe more than the 3A.
Described infrared laser intelligence light compensating apparatus, sampling resistor adopts the resistance of 0.3 Ω/1W.
Described infrared laser intelligence light compensating apparatus, RC filtering adopts 10K resistance or 10uF electric capacity as first-order filtering.
Described infrared laser intelligence light compensating apparatus, illuminance transducer adopts photo resistance.
The utility model also provides a kind of infrared laser video camera of using infrared laser intelligence light compensating apparatus; Comprise preceding face; It is provided with aforesaid infrared laser intelligence light compensating apparatus; Described integrated movement is an image acquisition units, and image acquisition units and described illumination inductor are installed on described preceding face.
The beneficial effect of the utility model: under the prerequisite that does not influence the video pictures quality; Not only can control the infrared laser lighting device opens; And can accurately control the distance that infrared laser throws light on, no matter how scene changes can both accurately be controlled the light filling amount, thereby reduces the energy consumption of infrared laser effectively; Improved the useful life of laser, improved the reliability of device and the adaptability of environment.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Fig. 2 is the external structure sketch map of infrared laser spherical camera.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is elaborated.
Referring to Fig. 1; Infrared laser intelligence light compensating apparatus comprises integrated movement, power supply, sampling resistor, RC filtering, amplifier, MCU, illumination inductor, nmos switch pipe, infrared light filling lamp, and power supply and sampling resistor, infrared light filling lamp electrically connect sampling resistor ground connection; Sampling resistor, infrared light filling lamp electrically connect with the nmos switch pipe again; Sampling resistor connects with the RC filtered electrical with the tie of nmos switch pipe, and RC filtering and amplifier electrically connect, and amplifier and MCU electrically connect; MCU and integrated movement, illumination inductor, nmos switch pipe electrically connect, and nmos switch pipe and infrared light filling lamp electrically connect.
The nmos switch pipe can adopt the FET of NMOS, can greater than the pipe of the NMOS more than the 3A like ID electric currents such as 50N03, SI9926.Sampling resistor can adopt the resistance of 0.3 Ω/1W.RC filtering can use 10K resistance, 10uF electric capacity etc. as first-order filtering.Amplifier can adopt LM358, LM324 to do 10 times of amplifications.MCU can adopt STM32F10X series, 8051 series or PIC18F series, preferably adopts 32 MCU.Illuminance transducer can adopt photo resistance.
MCU produces the PWM waveform; Utilize the different duty of PWM to realize the different brilliance controls of infrared lamp; Need reach much duty ratios and then will doubly be worth to come preliminary given generation PWM according to the current change of reading integrated movement; And monitor infrared load current (reading and finally calculate current electric current) in real time from sampling resistor, when preset excessive of current ratio or too smallly then reduce accordingly or increase the PWM duty ratio, thereby the infrared driving that is implemented under the same change doubly is a constant-current driving.
Fig. 2 has shown the external structure sketch map of using the infrared laser spherical camera of the utility model; Label 1 is the illumination inductor, and label 2 is integrated movement for image acquisition units, and label 3 is preceding face; Preceding face 3 is installed illumination inductor 1 and image acquisition units 2; Become doubly according to reading integrated movement, regulate laser infrared lamp intensity automatically, make picture quality reach optimum efficiency.
Claims (6)
1. infrared laser intelligence light compensating apparatus; It is characterized in that comprising integrated movement, power supply, sampling resistor, RC filtering, amplifier, MCU, illumination inductor, nmos switch pipe, infrared light filling lamp, power supply and sampling resistor, infrared light filling lamp electrically connect sampling resistor ground connection; Sampling resistor, infrared light filling lamp electrically connect with the nmos switch pipe again; Sampling resistor connects with the RC filtered electrical with the tie of nmos switch pipe, and RC filtering and amplifier electrically connect, and amplifier and MCU electrically connect; MCU and integrated movement, illumination inductor, nmos switch pipe electrically connect, and nmos switch pipe and infrared light filling lamp electrically connect.
2. infrared laser intelligence light compensating apparatus as claimed in claim 1, it is characterized in that: described nmos switch pipe adopts the ID electric current greater than the nmos switch pipe more than the 3A.
3. infrared laser intelligence light compensating apparatus as claimed in claim 1, it is characterized in that: described sampling resistor adopts the resistance of 0.3 Ω/1W.
4. infrared laser intelligence light compensating apparatus as claimed in claim 1, it is characterized in that: described RC filtering adopts 10K resistance or 10uF electric capacity as first-order filtering.
5. infrared laser intelligence light compensating apparatus as claimed in claim 1, it is characterized in that: described illuminance transducer adopts photo resistance.
6. the infrared laser video camera comprises preceding face, it is characterized in that being provided with the described infrared laser intelligence of claim 1-5 light compensating apparatus, and described integrated movement is an image acquisition units, and image acquisition units and described illumination inductor are installed on described preceding face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203985172U CN202309905U (en) | 2011-10-19 | 2011-10-19 | Infrared-laser-based intelligent light supplementing device and infrared laser camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203985172U CN202309905U (en) | 2011-10-19 | 2011-10-19 | Infrared-laser-based intelligent light supplementing device and infrared laser camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309905U true CN202309905U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203985172U Expired - Fee Related CN202309905U (en) | 2011-10-19 | 2011-10-19 | Infrared-laser-based intelligent light supplementing device and infrared laser camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487321A (en) * | 2015-12-28 | 2016-04-13 | 生迪智慧科技有限公司 | Control method for infrared light-compensating lamp and shooting apparatus |
| CN105635536A (en) * | 2016-01-04 | 2016-06-01 | 浪潮集团有限公司 | Laser power linear adjustment method for laser night vision device |
| CN110623487A (en) * | 2019-09-19 | 2019-12-31 | 安徽豆米科技有限公司 | Hair cutting mirror with image simulation |
-
2011
- 2011-10-19 CN CN2011203985172U patent/CN202309905U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487321A (en) * | 2015-12-28 | 2016-04-13 | 生迪智慧科技有限公司 | Control method for infrared light-compensating lamp and shooting apparatus |
| CN105487321B (en) * | 2015-12-28 | 2018-08-14 | 生迪智慧科技有限公司 | The control method and filming apparatus of infrared light compensating lamp |
| CN105635536A (en) * | 2016-01-04 | 2016-06-01 | 浪潮集团有限公司 | Laser power linear adjustment method for laser night vision device |
| CN105635536B (en) * | 2016-01-04 | 2018-07-24 | 浪潮集团有限公司 | Laser power linear adjustment method for laser night vision device |
| CN110623487A (en) * | 2019-09-19 | 2019-12-31 | 安徽豆米科技有限公司 | Hair cutting mirror with image simulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20171019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |