CN205946023U - A video monitoring apparatus - Google Patents

Abstract

The utility model discloses a video monitoring device, which comprises a plurality of video acquisition modules and a plurality of monitoring modules, each of the video acquisition modules includes a first microcontroller, a power supply module, a first wireless transceiver module, and an illumination sensor , a mist sensor and a camera, the first microcontroller is connected with an illuminating lamp, a heating device and a steering gear module for controlling the rotation of the camera, the power supply module includes a solar power supply circuit and a battery power supply circuit, each of the monitoring modules Each includes a second micro-controller, a second wireless transceiver module, a memory connected to the second micro-controller, a touch screen and a communication circuit, and the second micro-controller is connected to an alarm circuit. The utility model is provided with a solar power supply circuit and a storage battery power supply circuit for power supply, and a repeater is provided to realize long-distance transmission of video data, reduce the interference of video data transmission, and ensure continuous and safe operation of the video monitoring device.

Description

A video surveillance device

technical field

The utility model relates to the technical field of monitoring, in particular to a video monitoring device.

Background technique

At present, most areas in our country are equipped with monitoring devices, which need to work around the clock, and the existing monitoring devices are powered by mains power, which will consume a lot of power. Although video monitoring provides convenience for people, but The consumed electric energy increases the cost of input, and once the mains power is cut off, the video surveillance device cannot play a monitoring role, allowing criminals to take advantage of the situation and cause property losses. In addition, the existing video monitoring area is relatively large, and the long-distance video monitoring and long-distance transmission of video data will be interfered by signals, resulting in attenuation or distortion of video data, so that the video images received by the monitoring center are blurred or interfered. Moreover, the picture taken by the video surveillance device in the dark is not clear, or in cold weather, the camera in the video surveillance device is easily covered by fog, which affects the imaging of the camera and causes the blurred area of the video surveillance. Existing video surveillance generally uses wired wiring, and the number of cameras in video surveillance is large, which not only consumes manpower, but also requires long-term maintenance. Wired transmission has disadvantages such as intricate wiring, difficult maintenance, and troublesome updates and upgrades. Therefore, there is a lack of a video monitoring device with simple structure, reasonable design, convenient installation and good real-time performance, which can reduce the interference of interference sources on video data transmission, make the video monitoring device continue to operate safely, and reduce the power consumption of the video monitoring device. , to improve video imaging quality.

Utility model content

The utility model provides a video monitoring device to overcome the deficiencies in the prior art. A solar power supply circuit and a battery power supply circuit power supply mode can be set in the video acquisition module, and the long-distance transmission of video data can be realized by setting a repeater, reducing The interference of the interference source on the video data transmission, the remote monitoring of the staff is realized through the monitoring module, so that the video monitoring device can continue to operate safely, reduce the power consumption of the video monitoring device, and improve the video imaging quality.

The technical problem to be solved by the utility model is realized through the following technical solutions:

A video monitoring device, comprising a plurality of video acquisition modules and a plurality of monitoring modules respectively arranged in a plurality of monitoring rooms, the structures of the plurality of video acquisition modules are the same, the structures of the plurality of monitoring modules are the same, and the plurality of The above video acquisition modules all carry out wireless data transmission with a plurality of monitoring modules through a repeater, and each of the video acquisition modules includes a first microcontroller, a power supply module and a first wireless transceiver module, as well as an illumination sensor, a fog sensor and camera, the first micro-controller is connected with a lighting lamp, a heating device and a servo module for controlling the rotation of the camera; the power supply module includes a solar power supply circuit and a storage battery power supply circuit; Solar photovoltaic panel, charging protection circuit and first voltage conversion circuit, the storage battery power supply circuit includes a storage battery connected to the output end of the charging protection circuit and a second voltage conversion circuit connected to the output end of the storage battery, the storage battery is the first A relay is connected in series in the power supply circuit of the microcontroller, and the light sensor, the mist sensor, the camera, the relay, the first voltage conversion circuit and the second voltage conversion circuit are all connected to the first microcontroller; each of the monitoring modules Both include a second microcontroller and a second wireless transceiver module, and a memory connected to the second microcontroller, a touch screen and a communication circuit, the second microcontroller is connected to an alarm circuit, and the communication circuit communicates with the computer Data communication, the first microcontroller performs wireless data communication with the repeater through the first wireless transceiver module, and the second microcontroller performs wireless data communication with the repeater through the second wireless transceiver module;

The charging protection circuit includes a chip LT1073, the first pin of the chip LT1073 is connected to the second pin of the chip LT1073 through a resistor R2, and the third pin of the chip LT1073 is connected to the second pin of the chip LT1073 through an inductor L1 , the third pin of the chip LT1073 is also connected to the anode of the rectifier diode D1, the eighth pin of the chip LT1073 is connected to the cathode of the rectifier diode D1 through the resistor R1, the eighth pin of the chip LT1073 Also connected to ground through resistor R3.

Both the first wireless transceiver module and the second wireless transceiver module include a chip CC1100.

The communication circuit is an RS232 serial interface circuit.

The light sensor includes a photoresistor.

The mist sensor includes the E60 mist sensor.

Both the first voltage conversion circuit and the second voltage conversion circuit include a voltage conversion chip LM7805.

The memory includes chip AT25128.

Both the first microcontroller and the second microcontroller include a STC89S52 single-chip microcomputer.

The beneficial effects of the utility model are: by setting the solar power supply circuit and battery power supply circuit power supply mode in the video acquisition module, when there is sunlight in the daytime, the solar power supply circuit supplies power and charges the battery at the same time; at night, the battery is powered Circuit power supply ensures the all-weather operation of the video acquisition module and reduces the power consumption of the video monitoring device; by setting a repeater to realize the long-distance transmission of video data between the video acquisition module and the monitoring module, reducing the interference of the interference source on the video data transmission, Improve the quality of video imaging; in addition, it is easy to install, and multiple repeaters can be installed according to the size of the monitoring area and actual needs, so as to meet the monitoring needs to the greatest extent.

Description of drawings

Fig. 1 is the block diagram of circuit principle of the utility model.

Fig. 2 is the circuit principle block diagram of the video acquisition module of the utility model.

Fig. 3 is a schematic block diagram of the circuit of the monitoring module of the present invention.

Fig. 4 is a schematic circuit diagram of the charging protection circuit of the present invention.

detailed description

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of video monitoring device comprises a plurality of video acquisition modules 1 and a plurality of monitoring modules 2 that are respectively arranged in a plurality of monitoring rooms, and a plurality of video acquisition modules 1 The structural composition is all the same, and the structural composition of a plurality of monitoring modules 2 is all the same, and a plurality of the video acquisition modules 1 carry out wireless data transmission with the plurality of monitoring modules 2 through the repeater 3, and each of the video acquisition modules 1 is Including a first microcontroller 1-1, a power supply module and a first wireless transceiver module 1-8, as well as a light sensor 1-2, a fog sensor 1-3 and a camera 1-4, the first microcontroller 1-1 Connected with lighting lamp 1-5, heating device 1-6 and steering wheel module 1-7 for controlling the rotation of camera 1-4, the power supply module includes a solar power supply circuit and a battery power supply circuit, and the solar power supply circuit includes sequentially Connected solar photovoltaic panels 1-10, charging protection circuit 1-11 and first voltage conversion circuit 1-12, the storage battery power supply circuit includes a storage battery 1-13 connected to the output end of the charging protection circuit 1-11 and connected to The second voltage conversion circuit 1-14 connected to the output terminal of the storage battery 1-13, the storage battery 1-13 is a relay 1-9 connected in series in the power supply circuit of the first microcontroller 1-1, and the light sensor 1-1 2. The fog sensor 1-3, the camera 1-4, the relay 1-9, the first voltage conversion circuit 1-12 and the second voltage conversion circuit 1-14 are all connected with the first microcontroller 1-1; each The monitoring module 2 includes a second microcontroller 2-1 and a second wireless transceiver module 2-2, and a memory 2-3 connected to the second microcontroller 2-1, a touch screen 2-5 and a communication circuit 2-6, the second microcontroller 2-1 is connected to an alarm circuit 2-4, and the communication circuit 2-6 performs data communication with the computer 2-7, and the first microcontroller 1-1 passes the second A wireless transceiver module 1-8 performs wireless data communication with the repeater 3, and the second microcontroller 2-1 performs wireless data communication with the repeater 3 through the second wireless transceiver module 2-2;

The charging protection circuit 1-11 includes a chip LT1073, the first pin of the chip LT1073 is connected to the second pin of the chip LT1073 through a resistor R2, and the third pin of the chip LT1073 is connected to the first pin of the chip LT1073 through an inductor L1 2 pins, the third pin of the chip LT1073 is also connected to the anode of the rectifier diode D1, the eighth pin of the chip LT1073 is connected to the cathode of the rectifier diode D1 through the resistor R1, the first pin of the chip LT1073 Pin 8 is also grounded through resistor R3.

During specific implementation, the second pin of the chip LT1073 is connected to the first pin of the two-terminal interface JP1, the second pin of the chip LT1073 is also grounded through the capacitor C13, and the second pin of the two-terminal interface JP1 The pin is grounded, and the two-terminal interface JP1 is used to install solar photovoltaic panels 1-10. The connection ends of the resistor R1 and the cathode of the rectifier diode D1 are divided into two circuits, one of which is connected to the ground through the parallel capacitor C1 and capacitor C2, and the other end It is an output terminal Port1 of the charging protection circuit 1-11, the connecting terminal of the 4th pin and the 5th pin of the chip LT1073 is grounded and is another output terminal Port2 of the charging protection circuit 1-11, and the charging protection circuit One output port Port1 of the circuit 1-11 and the other output port Port2 of the charging protection circuit 1-11 are respectively connected to the positive pole and the negative pole of the battery 1-13 to charge the battery 1-13.

During specific implementation, when the sunlight is strong during the day, the solar photovoltaic panel 1-10 converts solar energy into electrical energy, which is sent to the first voltage conversion circuit 1-12 through the charging protection circuit 1-11, and can charge the storage battery 1-13 at the same time. Power is supplied to the first microcontroller 1-1 and each power consumption module through the first voltage conversion circuit 1-12.

Both the first wireless transceiver module 1-8 and the second wireless transceiver module 2-2 include a chip CC1100.

The communication circuit 2-6 is an RS232 serial interface circuit.

The light sensor 1-2 includes a photoresistor.

During specific implementation, the illumination sensor 1-2 detects the illumination intensity in real time, and sends the acquired illumination intensity to the first microcontroller 1-1. When the illumination intensity collected by the illumination sensor 1-2 is less than the illumination intensity setting value, the first micro-controller 1-1 controls the work of the lighting lamp 1-5 to increase the brightness, and at the same time, the first micro-controller 1-1 controls the work of the relay 1-9, and connects the storage battery 1-13 through the second voltage conversion circuit 1-14 supplies power to the first micro-controller 1-1 and each power consumption module.

The mist sensors 1-3 include E60 mist sensors.

During specific implementation, whether there is fog on the camera 1-4 detected by the fog sensor 1-3 in real time, when the fog sensor 1-3 collects fog, the first microcontroller 1-1 controls the heating device 1-6 to work, Remove the fog on cameras 1-4 and improve the shooting clarity of cameras 1-4.

Both the first voltage conversion circuit 1-12 and the second voltage conversion circuit 1-14 include a voltage conversion chip LM7805.

The memory 2-3 includes chip AT25128.

Both the first microcontroller 1-1 and the second microcontroller 2-1 include a STC89S52 single-chip microcomputer.

During specific implementation, multiple repeaters 3 can be installed according to the size of the monitoring area and actual needs, so as to meet the monitoring needs to the greatest extent.

During specific implementation, the first micro-controller 1-1 controls the camera 1-4 to rotate and shoot video images through the steering gear module 1-7 and sends the collected video images to the first micro-controller 1-1, and the first micro-controller Device 1-1 sends the received video image data to repeater 3 through the first wireless transceiver module 1-8, and repeater 3 forwards the received video image data to monitoring module 2, and the first monitoring module 2 Two wireless transceiver modules 2-2 receive the video image data forwarded by the repeater 3 and send the received video image data to the second microcontroller 2-1, and the second microcontroller 2-1 passes the communication circuit 2-6 Upload to the computer 2-7 for monitoring, while the video image can be displayed through the touch screen 2-5 and stored in the memory 2-3 synchronously for easy viewing. When a suspicious state occurs, the second micro-controller 2-1 controls the alarm circuit 2-4 Remind managers.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (8)

1. a video monitoring device, is characterized in that: comprise a plurality of video acquisition modules (1) and a plurality of monitoring modules (2) that are respectively arranged in a plurality of monitoring rooms, the structural composition of a plurality of video acquisition modules (1) is uniform Same, the structural composition of a plurality of monitoring modules (2) is all the same, and a plurality of described video acquisition modules (1) all carry out wireless data transmission with a plurality of monitoring modules (2) through repeater (3), each described The video acquisition modules (1) all include a first microcontroller (1-1), a power supply module and a first wireless transceiver module (1-8), as well as an illumination sensor (1-2), a fog sensor (1-3) and A camera (1-4), the first micro-controller (1-1) is connected with a light (1-5), a heating device (1-6) and a steering gear for controlling the rotation of the camera (1-4) module (1-7), the power supply module includes a solar power supply circuit and a storage battery power supply circuit, and the solar power supply circuit includes a solar photovoltaic panel (1-10), a charging protection circuit (1-11) and a first A voltage conversion circuit (1-12), the battery power supply circuit includes a battery (1-13) connected to the output end of the charging protection circuit (1-11) and a second battery (1-13) connected to the output end of the battery (1-13). A voltage conversion circuit (1-14), the battery (1-13) is a relay (1-9) connected in series in the power supply circuit of the first microcontroller (1-1), and the light sensor (1-2) , mist sensor (1-3), camera (1-4), relay (1-9), the first voltage conversion circuit (1-12) and the second voltage conversion circuit (1-14) are all connected with the first microcontroller Device (1-1) is connected; each described monitoring module (2) all comprises the second micro-controller (2-1) and the second wireless transceiver module (2-2), and with the second micro-controller ( 2-1) connected memory (2-3), touch screen (2-5) and communication circuit (2-6), the second microcontroller (2-1) is connected with alarm circuit (2-4) , the communication circuit (2-6) performs data communication with the computer (2-7), and the first microcontroller (1-1) communicates with the repeater (3) through the first wireless transceiver module (1-8) ) for wireless data communication, the second microcontroller (2-1) performs wireless data communication with the repeater (3) through the second wireless transceiver module (2-2); The charging protection circuit (1-11) includes a chip LT1073, the first pin of the chip LT1073 is connected to the second pin of the chip LT1073 through a resistor R2, and the third pin of the chip LT1073 is connected to the chip LT1073 through an inductor L1 The second pin of the chip LT1073 is also connected to the anode of the rectifier diode D1, the eighth pin of the chip LT1073 is connected to the cathode of the rectifier diode D1 through the resistor R1, the chip LT1073 The 8th pin is also grounded through the resistor R3. 2. A video monitoring device according to claim 1, characterized in that: the first wireless transceiver module (1-8) and the second wireless transceiver module (2-2) both include a chip CC1100. 3. A video surveillance device according to claim 1 or 2, characterized in that: the communication circuit (2-6) is an RS232 serial interface circuit. 4. A video surveillance device according to claim 1 or 2, characterized in that: the light sensor (1-2) comprises a photoresistor. 5. A video monitoring device according to claim 1 or 2, characterized in that: the fog sensor (1-3) comprises an E60 fog sensor. 6. A video monitoring device according to claim 1 or 2, characterized in that: the first voltage conversion circuit (1-12) and the second voltage conversion circuit (1-14) both include a voltage conversion chip LM7805 . 7. A video monitoring device according to claim 1 or 2, characterized in that: the memory (2-3) includes a chip AT25128. 8. A video monitoring device according to claim 1 or 2, characterized in that: the first microcontroller (1-1) and the second microcontroller (2-1) both include a STC89S52 single-chip microcomputer.