31results about How to "Avoid traffic safety hazards" patented technology

The invention provides an LED (Light-Emitting Diode) traffic signal lamp device, which comprises a first LED signal lamp, a second LED signal lamp and a third LED signal lamp, wherein the first LED signal lamp, the second LED signal lamp and the third LED signal lamp respectively display three kinds of color to express three traffic states. The LED traffic signal lamp device also comprises a first light-sensitive unit packaged in the first LED signal lamp, a second light-sensitive unit packaged in the second LED signal lamp, and a third light-sensitive unit packaged in the third LED signal lamp, and the first light-sensitive unit, the second light-sensitive unit and the third light-sensitive unit are respectively used for periodically sensing the light-emitting states of the first LED signal lamp, the second LED signal lamp and the third LED signal lamp. A control unit judges when the first LED signal lamp, the second LED signal lamp and the third LED signal lamp normally work or not according to signals received from the first light-sensitive unit, the second light-sensitive unit and the third light-sensitive unit, and light-emitting control signals sent to the first light-sensitive unit, the second light-sensitive unit and the third light-sensitive unit.

The invention discloses a laser radar road reconstruction and expansion exploratory survey design method. The method comprises the steps of A designing a result coordinate benchmark, measuring basic control and measuring pavement control points; B determining parameters including the data density, acquisition route and the like, and acquiring vehicle laser radar data along a main road and a ramp; C determining parameters including the data density, flight design and the like, and acquiring airborne laser radar data according to a designed flight strip; D realizing laser radar data fusion by refining laser point cloud plane coordinates and elevation coordinates and refining track line data; E acquiring characteristics of road traffic lane lines by using point cloud intensity information, and realizing extraction of characteristic lines of road pavements, protection and the like by adopting a method of projecting three-dimensional point clouds to a two-dimensional plane; F recovering planar elements and longitudinal surface elements of an existing road; G producing a DEM (digital elevation model), a DOM (digital orthophoto map) and a DLG (digital line graphic); H collaboratively designing laser radar measurement and road reconstruction and expansion CAD (computer-aided design), designing flat, longitudinal and transverse cross sections of a road, comparing and selecting schemes, and outputting final design drawings and charts.

The invention relates to a method of using a mobile phone to carry out safety instruction when moving, which is capable of fusing data of an accelerometer and a gyro. The method comprises the following steps of: 1) judging whether the mobile phone is in use, if so, carrying out the step 2), if not, waiting; 2) reading angular acceleration and linear acceleration of the mobile phone, and figuring up a using state of the mobile phone through the following formula: Equation; and 3) if a result of the Rest is greater than a preset acceleration threshold, sending alarm information through the mobile phone. According to the method, a set of algorithm models for movement, such as walking and running of people, can be established based on a plurality of sensors of the mobile phone, which mainly consist of acceleration sensors and gravity sensors, the method is capable of judging whether a person is in moving state and sending alarm information to prompt the user well when the mobile phone is in the using state, so that the potential traffic danger, which is possibly caused by application of the mobile phone, can be avoided.

The invention discloses a traffic light for urban construction. The traffic light comprises an auxiliary light with which the traffic light is sleeved, wherein the auxiliary light comprises a rotating shaft sleeve and a display light box which is mounted on the rotating shaft sleeve, an indicator light is arranged on the upper end surface of the display light box, light emitting holes with the corresponding number are formed in the positions, right opposite to the signal lights of the traffic light, of the front end surface of the rotating shaft sleeve, the rotating shaft sleeve is integrally driven by a driving mechanism which is mounted on the end surface of the traffic light to rotate, and the display light box on the upper end surface of the rotating shaft sleeve rotates to the right front end. The traffic light for urban construction is simple in structure, the rotating shaft sleeve is arranged on the outside of a traditional traffic light, thus when the traffic light is damaged, the indicator light of the display light box on the rotating shaft sleeve can be rotated to the original position of the traffic light through simple rotation control, lighting indication can be realized by the independent display light box, the signal lights are replaced, and the potential traffic danger caused by signal light damage is solved.

The invention discloses a single-lamp voltage compensation device of a high-intensity discharge lamp. The device is composed of a power conversion circuit, a reference voltage circuit, a voltage sampling circuit, an AC-DC conversion circuit, a comparison output circuit, a timing sequence output circuit, a drive circuit, a switching circuit, and an output conversion circuit. With the device, the influence on the high-intensity discharge lamp by voltage fluctuation of the power grid can be reduced; and thus a potential safety hazard of the road traffic due to the streetlight illumination change can be eliminated. Meanwhile, the voltage of the high-intensity discharge lamp can be reduced automatically at night and the electric energy wasting and light pollution can be reduced.

The present invention provides a vehicle instrument information data synchronous display system based on an intelligent mobile terminal, which communicates online with the driving computer control unit of the vehicle by means of an electronic detection transmission control unit and establishes data transmission between the intelligent mobile terminal and the vehicle instrument display unit Channel, after the intelligent mobile terminal used by the user performs image processing on the data information obtained by the electronic detection and transmission control unit from the driving computer control unit, and then transmits it to the vehicle instrument display unit through the electronic detection and transmission control unit, which can realize rich and diverse instrument information The synchronous display of data images avoids the problems of high cost and potential safety hazards caused by the modification of the driving computer control unit, and can also be used to realize personalized services such as function upgrades, bringing good interaction to actual users experience, which helps to promote the development of the Internet of Things in the automotive industry, and has a good market application prospect.

The present application discloses a driving behavior detection method, device, computer equipment and storage medium. The driving behavior detection method includes: acquiring the first acceleration data, the first angular acceleration data and the first azimuth data during the driving process of the vehicle in real time; The first acceleration data, the first angular acceleration data, the first azimuth data, the preset first eigenvalue data, the preset second eigenvalue data, the preset third eigenvalue data and the first algorithm to calculate each driving state The acceleration reference value, angular acceleration reference value and azimuth reference value under the same driving state; the acceleration reference value and the preset acceleration threshold, the angular acceleration reference value and the preset angular acceleration threshold, the azimuth reference value and the preset orientation The corner thresholds are compared respectively; according to all comparison results, it is determined whether the user currently has dangerous driving behavior. The driving behavior detection method can detect whether a driver has dangerous driving behavior.

The invention discloses a night-meeting safety control system, and relates to an automobile driving safety control device. The system comprises a night-meeting safety detection device, a processing device and an execution device, wherein the detection device and the execution device are respectively connected with the processing device through circuits or buses; the detection device comprises a night-meeting switch, a light intensity sensor, a distance detection sensor, a steering wheel rotation angle sensor, an automobile speed sensor, an engine rotation speed sensor, a throttling valve position sensor, a lateral acceleration sensor and a transverse swing angle speed sensor; and after the detection device performs detection, a signal is transmitted to the processing device through the circuits; and after the signal is processed, the processing device transmits an instruction to the execution device through the buses, and the execution device performs corresponding execution, so that the rotation speed, the automobile speed, the direction and the like of an automobile are changed, and the automobile is in a safety trace. The potential traffic safety hazard caused by a reason that a driver cannot identify a meeting distance and a road surface condition during night-meeting can be effectively avoided.

The present application discloses a method for detecting illegal driving by persons who have lost driving, including: acquiring a driving image of a target vehicle; Carry out the similarity comparison of the face image of the person; if there is at least one face image of the first person who fails to drive and the face image of the driver meets the requirement If the similarity condition is set, then according to the first missing driving person information corresponding to the first missing driving person's face image, it is determined whether the driver of the target vehicle is the missing driving person who is driving illegally. This technical solution can avoid the situation that the system cannot detect when the missing driving person drives a vehicle not under his own name, thereby greatly improving the detection efficiency and coverage of the missing driving person's illegal driving.

The invention provides a porous heat-conducting asphalt concrete pavement heat exchange system, which comprises an asphalt concrete pavement heat exchange device (1) laid on a roadbed, wherein the device consists of a first close-graded asphalt concrete surface course (9), a porous heat-conducting asphalt concrete surface course (10) segmented by prefabricated dense partition boards (13), an emulsified asphalt concrete seal layer (14) and a second close-graded asphalt concrete surface course (11); the system is provided with silicone rubber water penetration preventing layers (12) which are distributed on the surfaces of the two close-graded asphalt concrete surface courses and penetrate the inside of the surface courses; and the asphalt concrete pavement heat exchange device (1), a heat reservoir (2), an auxiliary heat source (3) and a user heat exchanger (4) are connected through pipelines and a fan (6), so as to form a thermal circulation closed loop of the system. The system has the advantages of energy conservation, emission reduction, low operation and maintenance cost and the like, and can be used for collecting solar energy, maintaining pavement and heating / cooling buildings.

The invention relates to a vehicle intelligent anti-theft helmet, which comprises helmet, tie band, and anti-theft device, wherein said anti-theft device comprises left and right frames, and remote controller for switching the vehicle starter system; the remote controller comprises locking switch and unlocking switch; the left and right frames sheath the remote controller; the left frame is clamped to the left of remote controller; the right frame is clamped to the right of remote controller; the helmet contains contact switch which comprises unlock end to connect the unlocking wire when the user wears helmet, the controller connected to the cathode of remote controller, while the unlock end is connected to the unlocking switch. The invention combines the anti-theft device with helmet, with high safety.