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

A five-degree of freedom green fence pruning machine comprises a pruning manipulator posture adjusting platform installed in front of a bearing cart, a rotation base which is installed on the pruning manipulator posture adjusting platform and is capable of revolving 360 degrees, an elevating mechanism which is fixedly installed on the rotation base, a telescoping mechanism which is fixed on an elevating rack of the elevating mechanism and is capable of ascending and descending along with the elevating rack, a pruning bit rotating device which is fixed at the front end of the telescoping mechanism and is capable of driving a pruning bit to rotate 360 degrees, a vertical lifting mechanism which is installed on the pruning bit rotating device, a pruning bit inclination-degree adjusting joint which is fixed at the lower end of the vertical lifting mechanism and is capable of ascending and descending along with the vertical lifting mechanism, and the pruning bit which is installed on an output shaft end of the pruning bit inclination-degree adjusting joint. By the pruning machine, the pruning of a plurality of mold modes of road green belts and garden sightseeing trees can be realized, a pruning process is completed automatically, the pruning machine is high in automation degree and simple in mechanical structure, the labor intensity of pruning green fences can be reduced, and work efficiency is improved.

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 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 steel fiber bituminous concrete, in particular to a layered steel fiber conductive bituminous concrete. The layered steel fiber conductive bituminous concrete is characterized by comprising a bituminous concrete pavement, a steel fiber layer and a lower bearing layer which are sequentially arranged from top to bottom, wherein electrodes are embedded in the steel fiber layer; the steel fiber layer consists of steel fiber and conductive emulsified asphalt and is uniformly paved on the surface of the lower bearing layer with a spreading method, the conductive emulsified asphalt is sprayed on the steel fiber, the spreading amount of the steel fiber is 170-330g / m<2>, and the spraying amount of the emulsified asphalt is 0.6-0.81g / m<2>. The invention has the characteristics of low cost of construction, simple and convenient construction, easy control of quality and favorable conductive performance, and meanwhile, the high-temperature stability and the low-temperature crack resistance are improved. The layered steel fiber conductive bituminous concrete is applied to deicing and snow melting of bituminous pavements and self-healing or heat repairing of the diseases of bituminous pavements.

The invention belongs to the technical field of traffic equipment, and relates to a variable automated isolation guardrail system for a reversible lane. Guardrails are mounted on a left lane line and a right lane line of the reversible lane correspondingly, hydraulic systems composed of hydraulic cylinders, hydraulic oil pipes and electric hydraulic pumps are buried under the ground of the left lane line and the right lane line of the reversible lane, and reversible lane traffic light columns are mounted between the reversible lane starting point, the reversible lane ending point as well as between the adjacent reversible lanes; the electric hydraulic pumps are buried under the ground of the starting point of the reversible lane, and electrically connected with the reversible lane traffic light columns at the starting point of the reversible lane through underground cables and column control modules, and the hydraulic oil pipes transmit the hydraulic power supplied by the electric hydraulic pumps to hydraulic cylinders; and an annular coil vehicle detector is buried under the ground of the reversible lane. The variable automated isolation guardrail system for the reversible lane is simple in structure, low in cost and safe to use, can reduce the converting time of the guardrails, improves the traffic efficiency, improves the traffic jam situations of roads, achieves fully-automated intelligent control, and can implement dynamic adjustment according to real-time traffic flow.

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 invention discloses a method for detecting illegal driving of a lost driver, which comprises the following steps of: acquiring a driving image of a target vehicle; comparing a human face image ofa driver in the travel image with a human face image of a lost driver in a plurality of pre-stored lost driver information; if in a face image of a lost driver in the plurality of driver information,at least one of the face image of the first lost driving person and the face image of the drive person satisfies a preset similarity condition, and according to the first lost driving person information corresponding to the face image of the first lost driving person, it is determined whether the driver of the target vehicle is a lost driving person who is driving illegally. The technical scheme can avoid the situation that the system can not detect when the lost driver drives a vehicle not under his own name, thereby greatly improving the detection efficiency and coverage rate of the lost driver's illegal driving.

The invention discloses a long-afterglow luminescent road. The long-afterglow luminescent road comprises a road surface (1), a curb (2), a road-surface traffic safety facility (3), a low-position traffic safety facility (4) and a high-position traffic safety facility (5), wherein one, two, three, four or five is / are combined with a long-afterglow luminescent system. The long-afterglow luminescent system emits light at certain period and duty ratio and comprises an LED (Light Emitting Diode) long-afterglow luminescent unit (6), a controller (7), a power generation device (8), a power storage element (9), a sensor or camera (10) and a retroreflective material (11). An integrated type long-afterglow luminescent system is adopted by the long-afterglow luminescent system on the road surface (1) or in the road surface (1). The long-afterglow luminescent road is beneficial to the energy-storage luminescent characteristic of long afterglow, integrates induction and low-position illumination functions, so that the luminescent road with low-carbon and energy-saving effects, green and environment-friendly effects, high safety, high guarantee and no change of the design of the existing road is designed.

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 charging method for paying before roadside parking leaving and giving exemption time, which is suitable for being executed in an intelligent mobile terminal. The intelligent mobile terminal is wirelessly connected with a server, the server is provided with a database, and the database comprises a parking order and a transaction detail list. A user parks a vehicle in any parking space in a specified parking range, a system automatically registers and generates a parking order, the user can inquire the current parking order of the vehicle when needing to leave, the system automatically settles parking fees according to the current time, and the user can safely leave within exemption time after paying; according to the invention, parking payment is carried out before the user leaves the parking lot in the official account service platform, sufficient leaving exemption time is given, the driving safety of the user leaving the parking lot is ensured, different from conventional parking lot leaving, the traffic safety hidden trouble caused by the fact that the user is in urgent payment after leaving the parking lot can be avoided, the parking arrearage condition is reduced, and the payment behavior habit of the user before departure can be developed.

The driver's infrared fatigue detection device includes a detection device housing, an infrared signal acquisition and processing module, a camera, a multi-function touch button, a controller, an infrared sensor, an OLED display, and a Bluetooth dual-mode; The point infrared sensor and the OLED display are installed on the surface of the detection device housing; the Bluetooth dual-mode and infrared signal acquisition and processing modules are installed inside the detection device housing; the camera is installed on the surface of the detection device housing; the multi-function touch button is installed on the detection device The lower part of the device housing; the infrared sensor is connected to the infrared signal acquisition and processing module; the infrared sensor, OLED display, Bluetooth dual-mode, infrared signal acquisition and processing module, camera and multi-function touch buttons are all connected to the controller of the vehicle-mounted infrared fatigue detection device . The invention has the advantages of simple principle and structure, can timely and effectively remind drivers who are in fatigue state, and avoid traffic safety hazards.

The invention relates to a steel fiber asphalt concrete. The layer-distributed steel fiber conductive asphalt concrete is characterized in that it includes an asphalt concrete surface layer, a steel fiber layer, and a lower bearing layer, and the asphalt concrete surface layer, steel fiber layer, and lower bearing layer are arranged in sequence from top to bottom, and the steel fiber layer Electrodes are buried in the middle; the steel fiber layer is composed of steel fiber and conductive emulsified asphalt, the steel fiber is evenly laid on the surface of the lower bearing layer by spreading, the steel fiber is sprayed with conductive emulsified asphalt, and the spreading amount of the steel fiber is 170 ~ 330g / m2 , The spreading amount of conductive emulsified asphalt is 0.6~0.8L / m2. The invention has the characteristics of low cost, simple construction, easy quality control, and good electrical conductivity. At the same time, the high-temperature stability and low-temperature crack resistance are improved, and can be used for self-healing or thermal repair of asphalt pavement deicing and snowing and asphalt pavement diseases. .

The invention discloses a vehicle-mounted traffic light recognition system. The system comprises a camera which faces the front side of a vehicle and is used for obtaining video information in real time; an algorithm processing and analyzing module which is connected with the camera and used for processing and analyzing the video information and judging whether traffic lights exist in front of the automobile and the colors of the traffic lights; a processor, the output end of the algorithm processing and analyzing module is connected with the input end of the processor, and the processor is used for giving a voice prompt to a driver according to the state of the traffic light when the traffic light exists; a voice playing module which is connected with the processor and used for playing voice prompts; and a power supply module which is electrically connected with the camera, the algorithm processing and analyzing module, the processor and the voice playing module. According to the system, intersection traffic light changes can be identified through the equipment camera, and a driver is reminded through the in-vehicle voice playing module; and through voice prompt, potential traffic safety hazards caused by the fact that a driver cannot see traffic light changes in time can be effectively avoided.

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.

A five-degree of freedom green fence pruning machine comprises a pruning manipulator posture adjusting platform installed in front of a bearing cart, a rotation base which is installed on the pruning manipulator posture adjusting platform and is capable of revolving 360 degrees, an elevating mechanism which is fixedly installed on the rotation base, a telescoping mechanism which is fixed on an elevating rack of the elevating mechanism and is capable of ascending and descending along with the elevating rack, a pruning bit rotating device which is fixed at the front end of the telescoping mechanism and is capable of driving a pruning bit to rotate 360 degrees, a vertical lifting mechanism which is installed on the pruning bit rotating device, a pruning bit inclination-degree adjusting joint which is fixed at the lower end of the vertical lifting mechanism and is capable of ascending and descending along with the vertical lifting mechanism, and the pruning bit which is installed on an output shaft end of the pruning bit inclination-degree adjusting joint. By the pruning machine, the pruning of a plurality of mold modes of road green belts and garden sightseeing trees can be realized, a pruning process is completed automatically, the pruning machine is high in automation degree and simple in mechanical structure, the labor intensity of pruning green fences can be reduced, and work efficiency is improved.

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 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 invention discloses a vehicle speed warning device, belonging to the technical field of design and application of vehicle speed warning devices. The vehicle speed warning device comprises a speedometer image recording module, an image conversion module, a micro-processing module, a storage module, a setting module, a display module and an alarm device, wherein the speedometer image recording module is connected with the image conversion module through an analog circuit, the image conversion module is connected with the micro-processing module through a digital circuit, and the micro-processing module is interconnected with the storage module through the digital circuit; and the display module is connected with the micro-processing module through the analog circuit, the alarm device is connected with the micro-processing module through the digital circuit, and the setting module is connected with the micro-processing module through the digital circuit. The vehicle speed warning device has the advantages of simple structure, economy and utility, and the vehicle speed warning device can effectively alert a driver to control vehicle speed promptly to avoid potential traffic dangers.

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 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 wind-preventing and falling-resisting indicating plate, and relates to the field of manufacturing of indicating plates. The wind-preventing and falling-resisting indicating plate comprises a base, a supporting rod, a connecting rod and an indicating plate body, wherein the supporting rod is fixedly connected to the upper surface of the base; penetrating grooves are formedin one end of the surface of the supporting rod; a clamping block is arranged on one end surface of the connecting rod, and is in interference fit with the penetrating grooves; the clamping block isconnected with the inner wall of the supporting rod through springs; first U-shaped grooves are formed in the bottom of the indicating plate side by side; a second U-shaped groove is formed in edges of every two adjacent first U-shaped grooves in a sleeving manner; a return passage is formed between each first U-shaped groove and the corresponding second U-shaped groove. According to the wind-preventing and falling-resisting indicating plate disclosed by the invention, a return passage is formed between each first U-shaped groove and the corresponding second U-shaped groove, so that wind can uniformly penetrate through the wind-preventing and falling-resisting indicating plate, the resistance on the wind-preventing and falling-resisting indicating plate in strong wind is reduced, the phenomenon that the wind-preventing and falling-resisting indicating plate is deformed is effectively avoided, and the traffic safety hidden dangers are avoided.

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 invention discloses a prefabricated bridge deck formwork-free cast-in-place wet joint structure, and belongs to the technical field of bridge design, the prefabricated bridge deck formwork-free cast-in-place wet joint structure comprises a plurality of prefabricated slabs arranged in the bridge direction and cast-in-place sections continuously laid between every two adjacent prefabricated slabs, and the two ends of each prefabricated slab in the bridge direction are provided with semi-U-shaped structure extension sections; the semi-U-shaped structure extension sections of every two adjacent prefabricated slabs are in butt joint to form a whole U-shaped notch to serve as a bottom die of the cast-in-place section, the cast-in-place section is connected with the two adjacent prefabricated slabs in a pouring mode, and the prefabricated slabs and the cast-in-place section are made of concrete materials or ultra-high-performance concrete materials. On-site template loading and unloading work is omitted, construction is facilitated and the manufacturing cost is reduced, potential safety hazards of passing under the bridge in the construction process are avoided, and the quality of the wet joint structure is improved to the maximum extent.

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.