CN104159084A - Monitoring method based on novel monitoring lens and dual image sensors - Google Patents
Monitoring method based on novel monitoring lens and dual image sensors Download PDFInfo
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- CN104159084A CN104159084A CN201410414280.0A CN201410414280A CN104159084A CN 104159084 A CN104159084 A CN 104159084A CN 201410414280 A CN201410414280 A CN 201410414280A CN 104159084 A CN104159084 A CN 104159084A
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Abstract
The invention discloses a monitoring method based on a novel monitoring lens and dual-image sensors. Monitoring is implemented through a monitoring system. The monitoring system comprises a monitoring host and a monitoring lens, wherein a microprocessor, a first image sensor (13), a second image sensor (14), a display and a storage are arranged in the monitoring host; the monitoring lens comprises an outer barrel (1), an inner barrel (10), a lens bayonet (2), a semi-permeable reflector (3), a reflecting mirror (4), an infrared sensing identification device (15), a lens system (5), an infrared cut-off optical filter (6) and a visible light cut-off optical filter (9); and the semi-permeable reflector and reflecting mirror are arranged in the outer barrel in a way of inclining by 45 degrees relative to the axis of the outer barrel. By adopting the monitoring method based on the novel monitoring lens and the dual image sensors, a novel and skillful overall concept is realized, all-weather monitoring can be implemented, and high video quality can be achieved.
Description
Technical field
The present invention relates to a kind of method for supervising based on Novel monitoring camera lens and double image sensor.
Background technology
In field of video monitoring, generally adopt conventional camera lens to obtain image, but existing optical lens only has a light-emitting window, function is limited, be more suitable for being applied to common occasion, and common watch-dog, by day when implementing monitoring, owing to being subject to the interference of infrared light, picture quality cannot ensure, therefore, is necessary to design a kind of novel method for supervising and is specifically designed to field of video monitoring.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method for supervising based on Novel monitoring camera lens and double image sensor, this method for supervising general idea novelty based on Novel monitoring camera lens and double image sensor is ingenious, round-the-clock monitoring can be carried out, and high video quality can be obtained.
The technical solution of invention is as follows:
Based on a method for supervising for Novel monitoring camera lens and double image sensor, adopt monitoring host computer and monitoring camera implementing monitoring;
In described monitoring host computer, be provided with microprocessor, the first imageing sensor (13), the second imageing sensor
(14), display and memory;
Described monitoring camera comprises outer cylinder body (1), inner barrel (10), camera lens bayonet socket (2), semi-transparent reflective mirror (3), speculum (4), infrared induction recognition device (15), set of lenses (5), cutoff filter (6) and visible ray edge filter (9);
Inner barrel is arranged in outer cylinder body, and the axis of inner barrel and the axis of outer cylinder body parallel;
The front opening of inner barrel is light inlet, and light inlet is positioned at the front end face of outer cylinder body, and the rear end of outer cylinder body has 2 light-emitting windows, i.e. the first light-emitting window (7) and the second light-emitting window (8) of 2 light-emitting windows; Set of lenses (5) is arranged in inner barrel in the mode vertical with inner barrel axis; Cutoff filter (6) is all arranged in outer cylinder body in the mode vertical with outer cylinder body axis with visible ray edge filter (9), and set of lenses is arranged on the rear of light inlet, visible ray edge filter is arranged on the front of the first light-emitting window, and cutoff filter is arranged on the front of the second light-emitting window; Camera lens bayonet socket is arranged on the rearward end of outer cylinder body;
Infrared induction recognition device is arranged in outer cylinder body, and infrared sensor (12) in infrared induction recognition device is arranged on the leading section of outer cylinder body;
Semi-transparent reflective mirror and speculum all tilt 45 ° to be arranged in outer cylinder body with respect to the axis of outer cylinder body, and semi-transparent reflective mirror and speculum parallel to each other; Semi-transparent reflective mirror is vertical with the axis of outer cylinder body with the line at speculum Er He center;
Extraneous light sees through successively set of lenses, semi-transparent reflective mirror and cutoff filter and finally penetrates and form transmitted light path from the second light-emitting window from light inlet enters;
Extraneous light first sees through set of lenses from light inlet enters, then through semi-transparent reflective mirror and speculum two secondary reflections, see through visible ray edge filter and finally penetrate and form reflected light path from the first light-emitting window again;
Be provided with 12 infrared discharge lamps (11) at the periphery of light inlet, these 12 infrared discharge lamps being circumferentially evenly arranged along inner barrel; In outer cylinder body, be provided with the drive circuit of infrared discharge lamps;
Described bayonet socket is provided with the contact for obtaining power supply and signal transmission; Described drive circuit is all connected with contact with infrared induction recognition device;
The first imageing sensor and the second imageing sensor are separately positioned on the rear of the first light-emitting window and the second light-emitting window;
The first imageing sensor, the second imageing sensor, memory, infrared induction recognition device, display are all connected with microprocessor; Microprocessor is also by drive circuit control infrared discharge lamps;
The front end face of outer cylinder body is provided with optical sensor, and optical sensor output signal is connected with the signal input part of microprocessor by described contact;
In the time that microprocessor detects that the illumination signal of optical sensor output exceedes default threshold value (showing that now illumination condition is good), microprocessor by drive circuit control infrared discharge lamps in extinguishing state; And the image obtaining based on natural daylight is reflected on display;
The illumination signal that optical sensor output detected when microprocessor is during lower than default threshold value (showing that now illumination condition is poor), and microprocessor is opened by drive circuit control infrared discharge lamps; And the image obtaining based on infrared light is reflected on display.
If infrared induction recognition device senses that there is personnel activity at scene, output alarm signal is to microprocessor,
Usually store video not under state, receives the report for police service after signal, and microprocessor starts monitor video the storage of collection site, to save memory space.
If infrared induction recognition device senses that there is personnel activity at scene, output alarm signal is to microprocessor, usually under state, gather compared with the video of 320 × 180 or 720 × 480 resolution (low resolution) storage, receiving the report for police service after signal, gather video the storage of 1280 × 720 or 1920 × 1080 resolution (high-resolution), to save memory space.
The first described light-emitting window is identical with the diameter of the second light-emitting window.
The first light-emitting window is identical with the diameter of light inlet.
Described infrared sensor is pyroelectric infrared sensor.
Beneficial effect:
Method for supervising based on Novel monitoring camera lens and double image sensor of the present invention, its core is to have adopted novel monitoring camera and double image sensor, this camera lens adopts the new technology based on semi-transparent reflective mirror, introduce again a speculum, the light that enters camera lens is divided into 2 bundles, make the light of the second light-emitting window output for the picture (passing through transmitted light path) of entirety in monitoring scene, this picture is the image forming through visible ray, owing to having adopted cutoff filter, filtering the image of infrared ray to imaging, its image effect is better; And the image that the light of the first light-emitting window output (for the light of reflected light path output) obtains is pure infrared image, and two groups of picture sizes are identical with the visual field, therefore daytime or can realize monitoring evening no matter, and monitoring be to contrast two a series of paintings faces, monitoring effect is better.Therefore this method for supervising based on Novel monitoring camera lens and double image sensor possesses the function of round-the-clock monitoring.
Camera lens of the present invention is also integrated with supplementary lighting sources, i.e. 12 infrared discharge lamps are conducive to obtain infrared image more clearly.
Further, the front end face of outer cylinder body is provided with optical sensor, for detection of on-the-spot intensity of illumination, once light a little less than, start supplementary lighting sources, thereby this supervisory control system possesses intelligent feature.
The effect of infrared induction recognition system is whether monitoring site exists personnel activity, only, in having personnel activity, just starts video recording or high-resolution recording function and monitoring function, not only saves memory space but also has more intelligent.
The setting of bayonet socket, for being connected fast with other devices, bayonet socket is the bayonet socket that slr camera generally adopts, and is existing mature technology.The effect of the contact on bayonet socket is to obtain power supply, and transmission of control signals (as controlled signal and the alarm signal etc. of aperture).
Therefore, this method for supervising based on Novel monitoring camera lens and double image sensor is novel, designs ingeniously, and flexibility is strong, has automation and intelligentized feature, is particularly useful for monitoring occasion.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of Novel monitoring camera lens of the present invention.
Fig. 2 is the rearward end structural representation of Novel monitoring camera lens.
Fig. 3 is the leading section structural representation of Novel monitoring camera lens.
Fig. 4 is the general structure schematic diagram of the method for supervising based on Novel monitoring camera lens and double image sensor.
Label declaration: 1-outer cylinder body, the semi-transparent reflective mirror of 3-, 4-speculum, 5-set of lenses, 6-cutoff filter, 7-the first light-emitting window, 8-the second light-emitting window, 9-visible ray edge filter, 10-inner barrel, 11-infrared discharge lamps, 12--infrared sensor, 13-the first imageing sensor, 14-the second imageing sensor; 15-infrared induction recognition device.
Embodiment
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Embodiment 1:
As Figure 1-4, a kind of method for supervising based on Novel monitoring camera lens and double image sensor, adopts monitoring host computer and monitoring camera implementing monitoring;
In described monitoring host computer, be provided with microprocessor, the first imageing sensor (13), the second imageing sensor
(14), display and memory;
Described monitoring camera comprises outer cylinder body (1), inner barrel (10), camera lens bayonet socket (2), semi-transparent reflective mirror (3), speculum (4), infrared induction recognition device (15), set of lenses (5), cutoff filter (6) and visible ray edge filter (9);
Inner barrel is arranged in outer cylinder body, and the axis of inner barrel and the axis of outer cylinder body parallel;
The front opening of inner barrel is light inlet, and light inlet is positioned at the front end face of outer cylinder body, and the rear end of outer cylinder body has 2 light-emitting windows, i.e. the first light-emitting window (7) and the second light-emitting window (8) of 2 light-emitting windows; Set of lenses (5) is arranged in inner barrel in the mode vertical with inner barrel axis; Cutoff filter (6) is all arranged in outer cylinder body in the mode vertical with outer cylinder body axis with visible ray edge filter (9), and set of lenses is arranged on the rear of light inlet, visible ray edge filter is arranged on the front of the first light-emitting window, and cutoff filter is arranged on the front of the second light-emitting window; Camera lens bayonet socket is arranged on the rearward end of outer cylinder body;
Infrared induction recognition device is arranged in outer cylinder body, and infrared sensor (12) in infrared induction recognition device is arranged on the leading section of outer cylinder body;
Semi-transparent reflective mirror and speculum all tilt 45 ° to be arranged in outer cylinder body with respect to the axis of outer cylinder body, and semi-transparent reflective mirror and speculum parallel to each other; Semi-transparent reflective mirror is vertical with the axis of outer cylinder body with the line at speculum Er He center;
Extraneous light sees through successively set of lenses, semi-transparent reflective mirror and cutoff filter and finally penetrates and form transmitted light path from the second light-emitting window from light inlet enters;
Extraneous light first sees through set of lenses from light inlet enters, then through semi-transparent reflective mirror and speculum two secondary reflections, see through visible ray edge filter and finally penetrate and form reflected light path from the first light-emitting window again;
Be provided with 12 infrared discharge lamps (11) at the periphery of light inlet, these 12 infrared discharge lamps being circumferentially evenly arranged along inner barrel; In outer cylinder body, be provided with the drive circuit of infrared discharge lamps;
Described bayonet socket is provided with the contact for obtaining power supply and signal transmission; Described drive circuit is all connected with contact with infrared induction recognition device;
The first imageing sensor and the second imageing sensor are separately positioned on the rear of the first light-emitting window and the second light-emitting window;
The first imageing sensor, the second imageing sensor, memory, infrared induction recognition device, display are all connected with microprocessor; Microprocessor is also by drive circuit control infrared discharge lamps;
The front end face of outer cylinder body is provided with optical sensor, and optical sensor output signal is connected with the signal input part of microprocessor by described contact;
In the time that microprocessor detects that the illumination signal of optical sensor output exceedes default threshold value (showing that now illumination condition is good), microprocessor by drive circuit control infrared discharge lamps in extinguishing state; And the image obtaining based on natural daylight is reflected on display;
The illumination signal that optical sensor output detected when microprocessor is during lower than default threshold value (showing that now illumination condition is poor), and microprocessor is opened by drive circuit control infrared discharge lamps; And the image obtaining based on infrared light is reflected on display.
If infrared induction recognition device senses that there is personnel activity at scene, output alarm signal is to microprocessor,
Usually store video not under state, receives the report for police service after signal, and microprocessor starts monitor video the storage of collection site, to save memory space.
If infrared induction recognition device senses that there is personnel activity at scene, output alarm signal is to microprocessor, usually under state, gather compared with the video of 320 × 180 or 720 × 480 resolution (low resolution) storage, receiving the report for police service after signal, gather video the storage of 1280 × 720 or 1920 × 1080 resolution (high-resolution), to save memory space.
The first described light-emitting window is identical with the diameter of the second light-emitting window.
The first light-emitting window is identical with the diameter of light inlet.
Described infrared sensor is pyroelectric infrared sensor.
Illustrate:
Infrared discharge lamps, as infrared emission light source, is specially and adopts infrared emission LED lamp.
Visible ray edge filter, full name, for cut-off visible ray sees through infrared light filter, is a kind of visible ray of 99.5% that can absorb, a kind of Polymer Synthesizing plastic cement of the near infrared light through 90%.Be widely used in photoelectric sensor, play panel visual effect elegant in appearance.Product has certain toughness, can impact resistance, and not easily broken, can be processed into arbitrary shape, circle, square, rectangular, triangle, trapezoidal, different circle, decorative pattern, letter, numeral, the difformities such as pattern, competitively priced, reliable in quality, is widely used.
Cutoff filter, cylinder claims IRCF, can realize visible region (400-630nm) thoroughly high, the optical filter of near-infrared (700-1100nm) cut-off, for eliminating the impact of Infrared on CCD/CMOS imaging, by add cutoff filter in imaging system, stop the infrared light of this part interference image quality, can make the better optimum visual that meets human eye of image forming.
The operation principle explanation of infrared induction recognition system:
The transducer that infrared induction recognition system adopts is pyroelectric infrared sensor, when there is related personnel's activity at scene, pyroelectric infrared sensor will lose charge balance receiving when human infrared radiation temperature changes, outwards discharge electric charge, signal processing circuit (for existing mature technology) in infrared induction recognition system just can produce alarm signal and output to the external circuit being connected with camera lens through contact after processing after testing, external circuit obtains current video and image based on this warning circuit at startup imageing sensor, realizes monitoring in real time.
The drive circuit of infrared discharge lamps is existing mature technology, outputs a control signal to drive circuit by external circuit by the contact of this bayonet socket, controls the startup of drive circuit and stops.This control signal is sent by the processor of external circuit, this control signal is relevant to the output signal of optical sensor, when processor detects illumination lower than a certain threshold value, sends control signal and starts drive circuit, open infrared discharge lamps, otherwise close infrared discharge lamps.
Claims (6)
1. the method for supervising based on Novel monitoring camera lens and double image sensor, is characterized in that, adopts monitoring host computer and monitoring camera implementing monitoring;
In described monitoring host computer, be provided with microprocessor, the first imageing sensor (13), the second imageing sensor (14), display and memory;
Described monitoring camera comprises outer cylinder body (1), inner barrel (10), camera lens bayonet socket (2), semi-transparent reflective mirror (3), speculum (4), infrared induction recognition device (15), set of lenses (5), cutoff filter (6) and visible ray edge filter (9);
Inner barrel is arranged in outer cylinder body, and the axis of inner barrel and the axis of outer cylinder body parallel;
The front opening of inner barrel is light inlet, and light inlet is positioned at the front end face of outer cylinder body, and the rear end of outer cylinder body has 2 light-emitting windows, i.e. the first light-emitting window (7) and the second light-emitting window (8) of 2 light-emitting windows; Set of lenses (5) is arranged in inner barrel in the mode vertical with inner barrel axis; Cutoff filter (6) is all arranged in outer cylinder body in the mode vertical with outer cylinder body axis with visible ray edge filter (9), and set of lenses is arranged on the rear of light inlet, visible ray edge filter is arranged on the front of the first light-emitting window, and cutoff filter is arranged on the front of the second light-emitting window; Camera lens bayonet socket is arranged on the rearward end of outer cylinder body;
Infrared induction recognition device is arranged in outer cylinder body, and infrared sensor (12) in infrared induction recognition device is arranged on the leading section of outer cylinder body;
Semi-transparent reflective mirror and speculum all tilt 45 ° to be arranged in outer cylinder body with respect to the axis of outer cylinder body, and semi-transparent reflective mirror and speculum parallel to each other; Semi-transparent reflective mirror is vertical with the axis of outer cylinder body with the line at speculum Er He center;
Extraneous light sees through successively set of lenses, semi-transparent reflective mirror and cutoff filter and finally penetrates and form transmitted light path from the second light-emitting window from light inlet enters;
Extraneous light first sees through set of lenses from light inlet enters, then through semi-transparent reflective mirror and speculum two secondary reflections, see through visible ray edge filter and finally penetrate and form reflected light path from the first light-emitting window again;
Be provided with 12 infrared discharge lamps (11) at the periphery of light inlet, these 12 infrared discharge lamps being circumferentially evenly arranged along inner barrel; In outer cylinder body, be provided with the drive circuit of infrared discharge lamps;
Described bayonet socket is provided with the contact for obtaining power supply and signal transmission; Described drive circuit is all connected with contact with infrared induction recognition device;
The first imageing sensor and the second imageing sensor are separately positioned on the rear of the first light-emitting window and the second light-emitting window;
The first imageing sensor, the second imageing sensor, memory, infrared induction recognition device, display are all connected with microprocessor; Microprocessor is also by drive circuit control infrared discharge lamps;
The front end face of outer cylinder body is provided with optical sensor, and optical sensor output signal is connected with the signal input part of microprocessor by described contact;
In the time that microprocessor detects that the illumination signal of optical sensor output exceedes default threshold value (showing that now illumination condition is good), microprocessor by drive circuit control infrared discharge lamps in extinguishing state; And the image obtaining based on natural daylight is reflected on display;
The illumination signal that optical sensor output detected when microprocessor is during lower than default threshold value (showing that now illumination condition is poor), and microprocessor is opened by drive circuit control infrared discharge lamps; And the image obtaining based on infrared light is reflected on display.
2. the method for supervising based on Novel monitoring camera lens and double image sensor according to claim 1, is characterized in that, if infrared induction recognition device senses that there is personnel activity at scene, output alarm signal is to microprocessor,
Usually store video not under state, receives the report for police service after signal, and microprocessor starts monitor video the storage of collection site, to save memory space.
3. the method for supervising based on Novel monitoring camera lens and double image sensor according to claim 1, it is characterized in that, if infrared induction recognition device senses that there is personnel activity at scene, output alarm signal is to microprocessor, usually under state, gather compared with the video of 320 × 180 or 720 × 480 resolution (low resolution) storage, receiving the report for police service after signal, gather video the storage of 1280 × 720 or 1920 × 1080 resolution (high-resolution), to save memory space.
4. the method for supervising based on Novel monitoring camera lens and double image sensor according to claim 1, is characterized in that, the first described light-emitting window is identical with the diameter of the second light-emitting window.
5. the method for supervising based on Novel monitoring camera lens and double image sensor according to claim 4, is characterized in that, the first light-emitting window is identical with the diameter of light inlet.
6. according to the method for supervising based on Novel monitoring camera lens and double image sensor described in claim 1-5 any one, it is characterized in that, described infrared sensor is pyroelectric infrared sensor.
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| CN106610554A (en) * | 2015-10-27 | 2017-05-03 | 杭州洲玉科技有限公司 | Bullet-proof anti-damage monitoring camera and monitoring device |
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| CN108111731A (en) * | 2017-12-27 | 2018-06-01 | 信利光电股份有限公司 | A kind of camera module |
| CN109391764A (en) * | 2017-08-10 | 2019-02-26 | 聚晶半导体股份有限公司 | Dual camera image acquiring device and its image capture method |
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Application publication date: 20141119 |