57results about How to "Life and Property Safety Guarantee" patented technology

The invention discloses a fatigue driving detection device and a fatigue driving detection method. The fatigue driving detection device comprises ARM (Advanced RISC Machines) processor equipment, a SD (Secure Digital) card, a USB (Universal Serial Bus) camera, a data line, a heat dissipation fan and an alarming device, wherein the ARM processor equipment further comprises a human face positioning module, a human eye state identification module and a fatigue judging module; the fatigue driving detection device method comprises the following steps: 1, initializing the camera; 2, acquiring an image and transmitting image information to the ARM processor equipment; 3, pre-processing the image; 4, positioning a human face region through a human face characteristic classifier, and positioning a human eye region 5 through a human eye characteristic classifier; 5, detecting the face of a driver to judge whether the driver is at a fatigue state or not; 6, detecting eyes of the driver to judge whether the driver is at the fatigue state or not; and 7, comprehensively judging whether the driver is at the fatigue state or not and starting corresponding alarming. According to the fatigue driving detection device and method disclosed by the invention, pupil and edge regions can be divided very well through adopting an eye region image binaryzation processing method; and compared with detection of a single method, the identification accuracy is higher.

The invention discloses a short-circuited inductance energy bypass circuit of an intrinsic safety Boost converter. The bypass circuit comprises a short-circuited cut-off protection circuit, a bypass drive circuit and an energy bypass circuit, wherein the short-circuited cut-off protection circuit and the bypass drive circuit are connected with the output end of a short-circuited signal production circuit, and the energy bypass circuit is connected with the output end of the short-circuited cut-off protection circuit. The short-circuited cut-off protection circuit comprises a short-circuited cut-off protection starting circuit and a short-circuited cut-off protection action circuit connected with the output end of the short-circuited cut-off protection starting circuit. The output end of the bypass drive circuit, the short-circuited signal production circuit and the energy bypass circuit are all connected with a main circuit of the intrinsic safety Boost converter, the main circuit of intrinsic safety Boost converter is connected with a current sampling circuit and a pulse signal production circuit, and the output end of the current sampling circuit and the pulse signal production circuit are connected. The short-circuited inductance energy bypass circuit is convenient to achieve, low in cost and capable of providing a discharging loop for energy in an inductance of the intrinsic safety Boost converter, and improves the intrinsic safety performance of the intrinsic safety Boost converter.

A hidden driver information safety identification system, including an in-vehicle identification device, an information processing center, and several monitoring devices set on the road; the in-vehicle identification device includes: a pressure sensing layer set in the driver's seat, a CPU Processor, memory, GPS positioning module and wireless communication module; the information processing center is used to find the nearest monitoring device according to the vehicle positioning data and send a snapshot command for vehicle information to the monitoring device; the monitoring device corresponds to the vehicle information according to the capture command Continuously capture when passing by and transmit the captured image frames to the information processing center; the information processing center enlarges the image frames to determine whether there are images of minors, and if so, triggers an alarm mechanism. The invention is based on concealed identification of driver information, effectively avoids man-made damage, and at the same time avoids underage driving, provides protection for people's life and property, and improves the safety of road driving.