CN215581473U - Panoramic monitoring night vision double-light supplementing system - Google Patents
Panoramic monitoring night vision double-light supplementing system Download PDFInfo
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- CN215581473U CN215581473U CN202121875083.0U CN202121875083U CN215581473U CN 215581473 U CN215581473 U CN 215581473U CN 202121875083 U CN202121875083 U CN 202121875083U CN 215581473 U CN215581473 U CN 215581473U
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Abstract
The utility model discloses a panoramic monitoring night vision dual-light supplementing system, which is formed by arranging regional panoramic monitoring equipment in each monitoring region and enabling the regional panoramic monitoring equipment to be composed of at least two paths of direction monitoring components. In addition, the directions of the video images in charge of each direction monitoring assembly are different, the illumination in each direction is different, and the light supplement intensity of the double light supplement power supply driving circuit is adjusted through the photoresistor of the lens module photosensitive circuit according to different regional illumination, so that 130-360-degree panoramic night vision light supplement is formed, a panoramic shot is achieved, the effects of comprehensively covering and solving the preset time difference, complementarily enhancing and solving the problem of clear shooting in complex light and dark light environments are achieved.
Description
Technical Field
The utility model relates to the technical field of panoramic monitoring, in particular to a panoramic monitoring night vision double-light supplementing system.
Background
The video monitoring technology provides a great deal of help and support for public security departments in the aspects of personnel searching and control, vehicle control, violation evidence obtaining and the like. However, the current video surveillance imaging is still severely limited by ambient light, and can provide clear images with high color reproduction degree in the daytime, but the imaging quality is greatly reduced under the conditions of low light and night.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of the existing video monitoring imaging and provides a panoramic monitoring night vision double-light supplementary lighting system.
In order to solve the problems, the utility model is realized by the following technical scheme:
the panoramic monitoring night vision double-light supplementing system consists of a background control system and at least one regional panoramic monitoring device connected with the background control system; each area panoramic monitoring device is positioned in different monitoring areas and is responsible for monitoring one monitoring area; each regional panoramic monitoring device comprises an SOC chip and at least two directional monitoring components connected with the SOC chip; each direction monitoring component faces to different monitoring directions and is responsible for monitoring one direction of the monitoring area; each direction monitoring component comprises a camera, a lens module photosensitive circuit and a double-light-compensation power supply driving circuit, and the image output end of the camera is connected with the input end of an SOC chip of the regional panoramic monitoring equipment; the input end of the lens module photosensitive circuit is connected with the input end of the SOC chip of the regional panoramic monitoring equipment, and the output end of the double-light-compensation power supply driving circuit is connected with the output end of the SOC chip of the regional panoramic monitoring equipment.
In the above scheme, the lens module photosensitive circuit is composed of an operational amplifier U1, a photoresistor R8 and resistors R1-R5; one ends of the resistor R1, the resistor R2 and the photoresistor R8 are connected; the other end of the resistor R1 is connected with a +5V power supply, the other end of the photoresistor R8 is grounded, and the other end of the resistor R2 is connected with the equidirectional input end of the operational amplifier U1; one end of the resistor R3 and one end of the resistor R4 are connected with the reverse input end of the operational amplifier U1; the other end of the resistor R4 is grounded, and the other end of the resistor R3 and one end of the resistor R5 are connected with the output end of the operational amplifier U1; the other end of the resistor R5 is connected with the input end of the SOC chip.
In the scheme, the double-light-compensation power supply driving circuit comprises white light emitting diodes, infrared light emitting diodes, LED driving chips U2-U3, Schottky diodes D1-D2, inductors L1-L2, capacitors C1-C2, electrolytic capacitors C3-C4, resistors R6-R7 and resistors R13-R14; the anode of the white light emitting diode is connected with one end of the resistor R13 and the resistor R14 and the Isense interface of the LED driving chip U2; the other ends of the resistor R13 and the resistor R14 are connected with a cathode of the Schottky diode D2, one end of the capacitor C2, an anode of the electrolytic capacitor C3, a VIN interface of the LED driving chip U2 and a +12V power supply; the other end of the capacitor C2, the negative electrode of the electrolytic capacitor C3 and the GND interface of the LED driving chip U2 are grounded; the cathode of the white light emitting diode is connected with one end of an inductor L2, and the other end of the inductor L2 is connected with the anode of the Schottky diode D2 and an LX interface of the LED driving chip U2; an ADJ interface of the LED driving chip U2 is connected with the output end of the SOC chip; the anode of the infrared light emitting diode is connected with one end of the resistor R6 and the resistor R7 and the Isense interface of the LED driving chip U3; the other ends of the resistor R6 and the resistor R7 are connected with a cathode of the Schottky diode D1, one end of the capacitor C1, an anode of the electrolytic capacitor C4, a VIN interface of the LED driving chip U3 and a +12V power supply; the other end of the capacitor C1, the negative electrode of the electrolytic capacitor C4 and the GND interface of the LED driving chip U3 are grounded; the cathode of the infrared light emitting diode is connected with one end of an inductor L1, and the other end of the inductor L1 is connected with the anode of the Schottky diode D1 and the LX interface of the LED driving chip U3; the ADJ interface of the LED driving chip U3 is connected with the output end of the SOC chip.
In the scheme, the models of the LED driving chips U2-U3 are T6322A.
In the scheme, the white light emitting diode is formed by combining more than 2 white light emitting diodes in a series connection and/or parallel connection mode; the infrared light emitting diode is formed by combining more than 2 infrared light emitting diodes in a series connection and/or parallel connection mode.
Compared with the prior art, the utility model forms the global panoramic monitoring system by arranging the regional panoramic monitoring equipment in each monitoring region and forming the regional panoramic monitoring equipment by at least two directional monitoring assemblies. In addition, the directions of the video images in charge of each direction monitoring assembly are different, the illumination in each direction is different, and the light supplement intensity of the double light supplement power supply driving circuit is adjusted through the photoresistor of the lens module photosensitive circuit according to different regional illumination, so that 130-360-degree panoramic night vision light supplement is formed, a panoramic shot is achieved, the effects of comprehensively covering and solving the preset time difference, complementarily enhancing and solving the problem of clear shooting in complex light and dark light environments are achieved.
Drawings
Fig. 1 is a schematic block diagram of a panoramic monitoring night vision dual-light supplementary lighting system.
FIG. 2 is a schematic diagram of a photosensitive circuit of the lens module.
Fig. 3 is a schematic diagram of a double complementary power supply circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to specific examples.
Referring to fig. 1, a panoramic monitoring night vision dual-light supplementary lighting system is composed of a background control system and at least one regional panoramic monitoring device connected with the background control system. Each area panoramic monitoring device is positioned in different monitoring areas and is responsible for monitoring one monitoring area. In the present embodiment, the number of the area panorama monitoring apparatuses is set according to the size of the entire monitored scene. Each regional panoramic monitoring device comprises an SOC chip and at least two directional monitoring components connected with the SOC chip. Each direction monitoring component faces to different monitoring directions and is responsible for monitoring one direction of the monitoring area. In this embodiment, the number of the direction monitoring components is 3-4. Each direction monitoring assembly comprises a camera, a lens module photosensitive circuit and a double-light-compensation power driving circuit, and the camera, the lens module photosensitive circuit and the double-light-compensation power driving circuit are all connected with an SOC chip of the regional panoramic monitoring equipment.
Referring to fig. 2, the photosensitive circuit of the lens module comprises an operational amplifier U1, a photosensitive resistor R8, and resistors R1-R5. One end of the resistor R1, one end of the resistor R2 and one end of the photosensitive resistor R8 are connected. The main elements of the photosensitive circuit of the lens module are a photosensitive resistor R8 and an operational amplifier U1, and the photosensitive resistor R8 is used for providing different resistors for different light intensities, so that voltage signals on the resistors can be collected and amplified by the operational amplifier U1 to provide voltage signals for an SOC chip to identify different light intensities. The other end of the resistor R1 is connected with a +5V power supply, the other end of the photoresistor R8 is grounded, and the other end of the resistor R2 is connected with the equidirectional input end of the operational amplifier U1. One end of the resistor R3 and one end of the resistor R4 are connected with the inverted input end of the operational amplifier U1. The other end of the resistor R4 is grounded, and the other end of the resistor R3 and one end of the resistor R5 are connected with the output end of the operational amplifier U1. The other end of the resistor R5 is connected with the input end of the SOC chip.
Referring to fig. 3, the double complementary light source driving circuit includes white light emitting diodes, infrared light emitting diodes, LED driving chips U2-U3, schottky diodes D1-D2, inductors L1-L2, capacitors C1-C2, electrolytic capacitors C3-C4, resistors R6-R7, and resistors R13-R14. In this embodiment, the white light emitting diode is formed by combining more than 2 white light emitting diodes in series and/or parallel, the infrared light emitting diode is formed by combining more than 2 infrared light emitting diodes in series and/or parallel, and the LED driving chips U2-U3 are T6322A. The main elements of the double-light-compensation power supply driving circuit, namely the LED driving chips U2-U3, can control the output current of the ADJ interface pins through voltage control of the ADJ interface pins, and further control the light intensity of the LED lamp beads to meet the requirement of controlling light compensation. The U2 controls white light, and the U3 controls infrared light, so that the control can well supplement light for different light environments, and the circuit has the advantages of low cost, high efficiency and electrodeless control of light source output.
The anode of the white light emitting diode is connected with one end of the resistor R13 and the resistor R14 and the Isense interface of the LED driving chip U2. The other ends of the resistor R13 and the resistor R14 are connected with a cathode of the Schottky diode D2, one end of the capacitor C2, an anode of the electrolytic capacitor C3, a VIN interface of the LED driving chip U2 and a +12V power supply. The other end of the capacitor C2, the negative electrode of the electrolytic capacitor C3 and the GND interface of the LED driving chip U2 are grounded. The cathode of the white light emitting diode is connected with one end of an inductor L2, and the other end of the inductor L2 is connected with the anode of the Schottky diode D2 and the LX interface of the LED driving chip U2. The ADJ interface of the LED driving chip U2 is connected with the output end of the SOC chip.
The anode of the infrared light emitting diode is connected with one end of the resistor R6 and the resistor R7 and the Isense interface of the LED driving chip U3. The other ends of the resistor R6 and the resistor R7 are connected with a cathode of the Schottky diode D1, one end of the capacitor C1, an anode of the electrolytic capacitor C4, a VIN interface of the LED driving chip U3 and a +12V power supply. The other end of the capacitor C1, the negative electrode of the electrolytic capacitor C4 and the GND interface of the LED driving chip U3 are grounded. The cathode of the infrared light emitting diode is connected with one end of an inductor L1, and the other end of the inductor L1 is connected with the anode of the Schottky diode D1 and the LX interface of the LED driving chip U3. The ADJ interface of the LED driving chip U3 is connected with the output end of the SOC chip.
The white light supplementary lighting can form night color monitoring, but the white light is full spectrum fusion, the night vision penetration distance is short, the infrared light supplementary lighting is light with longer wavelength on the spectrum, the penetration force is strong, the night vision monitoring distance is far, and the penetration force is strong, so that the supplementary lighting effect of the night vision monitoring can be improved to the maximum extent by adopting a supplementary lighting mode of mutually combining the white light and the infrared light. Because each one is
The resistance value of the lens module photosensitive circuit is different under different illumination through the photosensitive resistor R8, the voltage is different, the voltage signal outside the operational amplifier U1 is sent to the SOC chip for identification processing, and then the light supplement intensity in each direction is determined through the SOC chip. Two light supplement intensity signals output by the SOC chip are used for adjusting the light emitting sizes of two paths of light emitting sources, namely a white light emitting diode and an infrared light emitting diode, through an LED driving chip U2 and an LED driving chip U3 of a double light supplement power driving circuit to supplement light.
Because all there are 3 ~ 4 direction monitoring subassemblies on every regional panorama supervisory equipment, the video image direction that every direction monitoring subassembly is responsible for is different, the illuminance of every direction is also different, according to the regional illuminance of difference, through camera lens module photosensitive circuit's photo resistance, adjust two mends light power drive circuit light filling intensity, thereby form 130 ~ 360 panorama night vision light fillings, reach a panorama shooting, the comprehensive coverage is solved and is preset the time difference, complementary reinforcing, solve the effect of compound light, the clear shooting problem of dim light environment.
It should be noted that, although the above-mentioned embodiments of the present invention are illustrative, the present invention is not limited thereto, and thus the present invention is not limited to the above-mentioned embodiments. Other embodiments, which can be made by those skilled in the art in light of the teachings of the present invention, are considered to be within the scope of the present invention without departing from its principles.
Claims (5)
1. A panoramic monitoring night vision double-light supplementary lighting system is characterized by comprising a background control system and at least one regional panoramic monitoring device connected with the background control system;
each area panoramic monitoring device is positioned in different monitoring areas and is responsible for monitoring one monitoring area; each regional panoramic monitoring device comprises an SOC chip and at least two directional monitoring components connected with the SOC chip;
each direction monitoring component faces to different monitoring directions and is responsible for monitoring one direction of the monitoring area; each direction monitoring component comprises a camera, a lens module photosensitive circuit and a double-light-compensation power supply driving circuit, and the image output end of the camera is connected with the input end of an SOC chip of the regional panoramic monitoring equipment; the input end of the lens module photosensitive circuit is connected with the input end of the SOC chip of the regional panoramic monitoring equipment, and the output end of the double-light-compensation power supply driving circuit is connected with the output end of the SOC chip of the regional panoramic monitoring equipment.
2. The panoramic monitoring night vision dual-light supplementary lighting system as claimed in claim 1, wherein the lens module light sensing circuit is composed of an operational amplifier U1, a photoresistor R8 and resistors R1-R5;
one ends of the resistor R1, the resistor R2 and the photoresistor R8 are connected; the other end of the resistor R1 is connected with a +5V power supply, the other end of the photoresistor R8 is grounded, and the other end of the resistor R2 is connected with the equidirectional input end of the operational amplifier U1; one end of the resistor R3 and one end of the resistor R4 are connected with the reverse input end of the operational amplifier U1; the other end of the resistor R4 is grounded, and the other end of the resistor R3 and one end of the resistor R5 are connected with the output end of the operational amplifier U1; the other end of the resistor R5 is connected with the input end of the SOC chip.
3. The panoramic monitoring night vision dual-light supplementary lighting system as claimed in claim 1, wherein the dual-light supplementary power driving circuit comprises white light emitting diodes, infrared light emitting diodes, LED driving chips U2-U3, Schottky diodes D1-D2, inductors L1-L2, capacitors C1-C2, electrolytic capacitors C3-C4, resistors R6-R7 and resistors R13-R14;
the anode of the white light emitting diode is connected with one end of the resistor R13 and the resistor R14 and the Isense interface of the LED driving chip U2; the other ends of the resistor R13 and the resistor R14 are connected with a cathode of the Schottky diode D2, one end of the capacitor C2, an anode of the electrolytic capacitor C3, a VIN interface of the LED driving chip U2 and a +12V power supply; the other end of the capacitor C2, the negative electrode of the electrolytic capacitor C3 and the GND interface of the LED driving chip U2 are grounded; the cathode of the white light emitting diode is connected with one end of an inductor L2, and the other end of the inductor L2 is connected with the anode of the Schottky diode D2 and an LX interface of the LED driving chip U2; an ADJ interface of the LED driving chip U2 is connected with the output end of the SOC chip;
the anode of the infrared light emitting diode is connected with one end of the resistor R6 and the resistor R7 and the Isense interface of the LED driving chip U3; the other ends of the resistor R6 and the resistor R7 are connected with a cathode of the Schottky diode D1, one end of the capacitor C1, an anode of the electrolytic capacitor C4, a VIN interface of the LED driving chip U3 and a +12V power supply; the other end of the capacitor C1, the negative electrode of the electrolytic capacitor C4 and the GND interface of the LED driving chip U3 are grounded; the cathode of the infrared light emitting diode is connected with one end of an inductor L1, and the other end of the inductor L1 is connected with the anode of the Schottky diode D1 and the LX interface of the LED driving chip U3; the ADJ interface of the LED driving chip U3 is connected with the output end of the SOC chip.
4. The panoramic monitoring night vision dual-light supplementary lighting system as claimed in claim 3, wherein the LED driving chips U2-U3 are T6322A.
5. The panoramic monitoring night vision dual-light supplementary lighting system as claimed in claim 3, wherein the white light emitting diode is formed by combining more than 2 white light emitting diodes in series and/or parallel connection; the infrared light emitting diode is formed by combining more than 2 infrared light emitting diodes in a series connection and/or parallel connection mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121875083.0U CN215581473U (en) | 2021-08-11 | 2021-08-11 | Panoramic monitoring night vision double-light supplementing system |
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| CN202121875083.0U CN215581473U (en) | 2021-08-11 | 2021-08-11 | Panoramic monitoring night vision double-light supplementing system |
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