The invention discloses a voltage-stabilized self-control field image shooting system based on an infrared sensor. The system comprises a power supply, a self-judging control circuit, the infrared sensor and a camera, a signal transmitter and a remote receiver, wherein the self-judging control circuit is connected with the power supply, the infrared sensor and the camera are respectively connected on the self-judging control circuit, the signal transmitter is arranged on the camera, and the remote receiver is connected with the signal transmitter through a wireless network; the power supply is a storage battery with a solar panel; the self-judging control circuit is composed of a single-valve amplification circuit, a secondary amplification circuit, a filter circuit, an amplification output circuit, a signal triggering circuit and a power supply control circuit, which are connected end to end; and a voltage stabilization circuit is arranged between the storage battery and the self-judging control circuit. The voltage-stabilized self-control field image shooting system based on the infrared sensor, provided by the invention, can greatly improve cruising power of the camera shooting in the field, and can avoid influence on normal activities of animals caused by frequently going in and out of human beings.

Voltage-stabilized self-control field image shooting system based on infrared sensor

The present invention discloses a hydrology and water resource data transmission system based on the Internet of Things. The system comprises a signal receiving circuit, a frequency modulation calibration circuit and a voltage stabilization output circuit. The signal receiving circuit is configured to receive signals of a signal transmission channel input end used by a control terminal in the hydrology and water resource data transmission system based on the Internet of Things, the signals are filtered through a [Pi]-type filtering circuit formed by an inductor L1, a capacitor C1 and a capacitor C2, the frequency modulation calibration circuit is divided into two paths to receive circuit output signals, the signals in one path are subjected to frequency modulation through a frequency modulation circuit formed by a triode Q1, a triode Q2, a capacitor C15 and a capacitor C16, the signals in the other path are attenuated through an attenuation circuit formed by a potentiometer RW2, a capacitor C3 and a capacitor C4, the signals are subjected to clutter filtering through an interference signal filtering circuit formed by capacitors C6-C9, a voltage-regulator tube D1 and a triode Q3, and finally, the voltage stabilization output circuit utilizes a triode voltage stabilization circuit formed by a triode Q5 and a voltage-regulator tube D4 for voltage stabilization and then output so as to achieve automatic calibration of the signals and avoid signal distortion.

Hydrology and water resource data transmission system based on Internet of Things

The invention discloses a detection amplification circuit based multifunctional novel alcohol detector. The detector is characterized by mainly comprising a central processor, a power supply, an illumination driving circuit, a memory, a display, an alarm, an alcohol detection module, a detection amplification circuit, a signal denoising circuit, a camera and an illumination lamp, wherein the power supply, the illumination driving circuit, the memory, the display, the alarm, the alcohol detection module and the detection amplification circuit are connected with the central processor respectively; the signal denoising circuit is connected with the detection amplification circuit; the camera is connected with the signal denoising circuit; the illumination lamp is connected with the illumination driving circuit; and a control end of the camera is further connected with the central processor. According to the detector, face portrait information of a detected person can be extracted, so that the convenience is brought for law enforcement work of related law enforcement departments. The detector is provided with the detection amplification circuit, and the detection amplification circuit can separate out an image signal to block an interference signal and amplify the image signal to avoid the interference of signal image display definition.

Detection amplification circuit based multifunctional novel alcohol detector

The invention discloses a current stabilizing self-control field image photographing system based on an infrared sensor, comprising a power supply, a self-judging control circuit connected to the power supply, the infrared sensor and a camera respectively connected to the self-judging control circuit, a signal transmitter arranged on the camera, and a remote receiver connected to the signal transmitter through a wireless network; the power supply is a storage battery with a solar panel; the self-judging control circuit is composed of a single tube amplification circuit, a secondary amplification circuit, a filter circuit, an amplification output circuit, a signal triggering circuit and a power supply control circuit which are successively connected end to end; a current stabilizing circuit is arranged between the storage battery and the self-judging control circuit. The current stabilizing self-control field image photographing system based on the infrared sensor provided by the invention can greatly improve the cruising ability of the camera in field photographing and can prevent the normal life of the animals from being influenced by frequent access of humans.

Current stabilizing self-control field image photographing system based on infrared sensor

The invention relates to the field of electric vehicles, and particularly relates to a photoelectric induction detection method and circuit applied to high-voltage parts. According to the method and the circuit, a reference light source is arranged at a high-voltage part; the method also includes converting the received light source signal of the reference light source into an electric signal; detecting the electric signal to judge whether a light source signal of the reference light source changes or not and generating a detection signal; determining whether the high-voltage part is abnormalor not according to the detection signal. According to the invention, the detection reliability is high, the fault phenomena such as smoke, arc discharge or fire can be accurately detected, the circuit principle is simple, devices are few, the cost is low, and compared with a mechanical device, the circuit is small in size and facilitates product internal circuit arrangement.

Photoelectric induction detection method and circuit applied to high-voltage parts

The invention discloses an intelligent high-definition multi-screen image processing system based on voltage stabilization protection. The system is composed of an image collector (1), a digital signal processor (5), an amplification unit (2) connected with the image collector (1), an image conversion unit (3) connected with the amplification unit (2), an FIFO memory (4), a memory (6), a data output unit (7) and more than two displays (8) connected with the data output unit (7). The FIFO memory (4), the memory (6) and the data output unit (7) are connected with the digital signal processor (5). The system is characterized in that a voltage stabilization protection unit (9) is arranged between the image conversion unit (3) and the FIFO memory (4). The system has a stable working voltage, therefore image signal processing is prevented from influence of voltage fluctuation and the image processing precision is raised. In addition, the system has a good linearity, and therefore an image has a high definition during display.

Intelligent high-definition multi-screen image processing system based on voltage stabilization protection

The invention discloses a pre-amplification infrared imaging image recognition system based on noise reduction. The pre-amplification infrared imaging image recognition system is composed of an infrared imaging system (1) and an image recognition system (2) connected with the infrared imaging system (1). The image recognition system (2) comprises a central processing module (21), and an image processing system (22), a display (23), an alarm (24) and a memory (25), all of which are connected with the central processing module (21). The image recognition system (2) is further provided with a noise reduction module (26), and the noise reduction module (26) is connected with the image processing system (22). Through a pre-amplification circuit, image signals can be amplified without distortion, images after amplification are clearer, and the recognition accuracy of the system is further improved. Meanwhile, the system is provided with the noise reduction module which can filter interference noise of image signals in the process of transmission and restore the image signals to an original effect.

Pre-amplification infrared imaging image recognition system based on noise reduction

The invention discloses a frequency-stabilized oscillatory type infrared positioning-based pattern recognizing and reminding system for signal lamps. The system comprises a power supply module, a reminding module, a central control module and a camera, wherein the reminding module, the central control module and the camera are connected with the power supply module. The reminding module and the camera are connected with the central control module. The central control module comprises a positioning module, a pattern recognizing module connected with the positioning module, and a speed sensing module connected with the pattern recognizing module. The system is characterized in that the positioning module is composed of a frequency-stabilized oscillation module, an infrared receiving circuit, a constant-current infrared transmitting circuit connected with the frequency-stabilized oscillation module, a single-chip microcomputer connected with the infrared receiving circuit, a distance threshold storage module and a triggering module, wherein the distance threshold storage module and the triggering module are connected with the single-chip microcomputer. The constant-current infrared transmitting circuit is controlled by the frequency-stabilized oscillation module. Therefore, infrared signals can be stably radiated by the constant-current infrared transmitting circuit, so that the stability of the system is improved.

Frequency-stabilized oscillatory type infrared positioning-based pattern recognizing and reminding system for signal lamps

The invention discloses a smart high-definition multi-screen image processing system. The smart high-definition multi-screen image processing system is characterized by consisting of an image collector (1), an amplifying unit (2) which is connected with the image collector (1), an image conversion unit (3) which is connected with the amplifying unit (2), an FIFO (First In First Out) memory (4) which is connected with the image conversion unit (3), a digital signal processor (5) which is connected with the FIFO memory (4), a memory (6) and a data output unit (7) which are connected with the digital signal processor (5), and over two displays (8) which are connected with the data output unit (7). The smart high-definition multi-screen image processing system has high identification speed, high identification accuracy and a remarkable economical effect, can be widely applied to the real-time industrial application field and the public utility field, becomes a mainstream technology instead of the prior art, contributes to reduction of the equipment cost, and can be applied to various occasions. Meanwhile, the smart high-definition multi-screen image processing system has high linearity, so that images have high definitions during displaying.

Smart high-definition multi-screen image processing system

The present invention discloses an intelligent high-definition multi-screen image processing system based on noise reduction processing. The system is formed by an image collector (1), a digital signal processor (5), an amplifying unit (2) which is connected to the image collector (1), an image converting unit (3) which is connected to the amplifying unit (2), an FIFO memory (4) which is connected to the digital signal processor (5), a memory (6), a data output unit (7) and more than two monitors (8) which are connected to the data output unit (7). The system is characterized in that a noise reduction processing unit is arranged between the image converting unit (3) and the FIFO memory (4), the noise interference signal generated by the system can be filtered, and thus the processing precision can be improved. At the same time, the system has good linearity, and so the definition of an image is high in display.

Yang Xianming

Papers

Intelligent high-definition multi-screen image processing system based on voltage stabilization protection

Pre-amplification infrared imaging image recognition system based on noise reduction

Frequency-stabilized oscillatory type infrared positioning-based pattern recognizing and reminding system for signal lamps

Smart high-definition multi-screen image processing system

Intelligent high-definition multi-screen image processing system based on noise reduction processing