30 results about "Vehicle detector" patented technology

The utility model discloses a front railing machine collision prevention device which comprises a shell, a rotating motor is installed on the outer surface of the shell, symmetrical first bearings are embedded in the inner wall of the shell, the inner rings of the two first bearings are jointly connected with a worm, and the output end of the rotating motor is connected with one end of the worm through the first bearings. According to the anti-collision device of the front railing machine, the worm can be driven to rotate through the rotating motor, the worm is meshed with the worm gear, the worm gear drives the baffle to ascend and descend, a vehicle is blocked, the anti-collision device has the self-locking performance, when damage occurs, the stop lever cannot automatically fall, and when the vehicle is detected through the microwave infrared vehicle detector, the anti-collision effect is good. When it is dark, the power supply assembly supplies power to the light bar, and the light-operated switch controls the light bar to light automatically, so that a driver can clearly see whether the stop lever is lifted or not, and the stop lever is prevented from being collided by mistake.

The utility model provides a kind of low altitude security spectrum unmanned aerial vehicle detector, including substrate, the top of the substrate is fixedly installed with box, the bottom of the box is fixedly installed with positioning mechanism, the moving end top of the positioning mechanism is fixedly installed with buffer clamp group, the top of the positioning mechanism is fixedly installed with detector body by buffer clamp group clamping installation, the back upper end of the box is fixedly installed with hinged part, the main buffer spring of the buffer clamp group, side buffer spring and damper of the device adopt synergistic effect, can effectively absorb and slow down the vibration generated in the jolt of transportation or use, avoid detector body damage, make up the deficiency of prior art without buffer structure, ball on side clamping plate and bearing plate, not only reduce clamping friction damage, also auxiliary adjustment detector position, enhance clamping stability, provide reliable protection for detector body, satisfy the demand of actual application to stable protection.

The present invention relates to an improved router data device of roadway equipment that mainly provides all roadway equipment with functions to receive and record the return data transmitted from roadway equipment, such as vehicle detector, changeable message sign, automatic vehicle identification, traffic signal controller, electronic tag and other devices within a specific area, through such an improved router data device that uploads the return traffic data to a management platform center side for analyzing the state of the roadway equipment. The present invention provides effective security monitoring on the roadway equipment, increases the availability and maintenance efficiency of the roadway equipment.

The utility model belongs to the technical field of car washers, and particularly relates to a car washer air compressor automatic start-stop control device which comprises a car washer, a car detector is arranged at one end of the car washer and used for detecting whether a car exists in the car washer or not, and an air compressor is arranged at the other end of the car washer and used for detecting whether the car exists in the car washer or not. The air compressor comprises an air storage tank and a motor, a pressure sensor is arranged at an outlet of the air storage tank and used for monitoring the pressure value of the air storage tank in real time, and the air compressor further comprises a controller used for receiving signals of the pressure sensor and a vehicle detector. According to the scheme, invalid starting and stopping are effectively reduced, and frequent starting of the air compressor caused by chronic air leakage is avoided through double-condition judgment of pressure and the vehicle state; meanwhile, the service life of equipment is prolonged, the action times of components such as a motor, a contactor and a valve are reduced, and the estimated service life is prolonged by 30%-50%.

The application discloses a traffic intersection traffic light control method, including collecting real-time data, presetting pedestrian quantity range, presetting vehicle flow length range, calculating special vehicle intersection, special vehicle active regulation communication light, traffic accident dredging. The application obtains the latitude and longitude coordinate information of the special vehicle position and the latitude and longitude coordinate information of the intersection center position captured by the corresponding Beidou positioning equipment of the vehicle detector through the signal control machine, calculates the special vehicle driving path intersection, controls the traffic signal lamp of the special vehicle driving direction intersection to be green by the signal control machine, timely opens the green channel for the special vehicle, provides more efficient and safe driving route for the special vehicle, improves the emergency response speed and rescue efficiency; according to the vehicle flow and the pedestrian flow, the traffic intersection traffic light is regulated, the change of the traffic flow can be responded in real time, and the road traffic capacity and the traffic management level are improved.

This utility model relates to the field of vehicle inspection technology and provides an automatically positioning vehicle detector device, including a support plate with a sliding groove and a cavity. A screw is rotatably mounted on the inner wall of the sliding groove, with one end of the screw extending into the cavity. A slider is threaded onto the screw and slidably connected to the inner wall of the sliding groove. An electric slide rail is fixedly mounted on the top of the slider, and a housing is fixedly mounted on the sliding block of the electric slide rail. A camera for detecting the underside of a vehicle is fixedly mounted on the top of the housing. The automatically positioning vehicle detector device provided by this solution solves the technical problem that existing detectors, when detecting the underside of a vehicle, cannot mark and locate problem areas, resulting in additional time spent locating the specific damage location in subsequent processing, thus reducing repair efficiency.

To provide a technology that allows a staff member to visually confirm the state of a first vehicle detector S1 by displaying the state of the first vehicle detector S1 every time a vehicle passes. [Solution] A vehicle detector status detection system according to an embodiment comprises a vehicle detector, a lane server, and a lane monitoring control device, wherein the vehicle detector comprises a communications control unit that transmits detection results including optical axis sensor information from an optical axis sensor that detects vehicles, and tread sensor information including sensor information acquired from a tread sensor, direction of travel, and number of axles, the lane server comprises a communications control unit that transmits the detection results and vehicle information including a serial number that uniquely identifies the vehicle, and the lane monitoring control device comprises a status information generation unit that generates status information representing the status of the optical axis sensor and tread sensor based on the vehicle information, and a display control unit that controls the status information to be displayed on a display together with the serial number.

The utility model relates to a parking stall lock technical field, specifically disclose a kind of suspension type parking stall lock, comprising: lock body, install in the upper space of parking stall, for blocking or limiting vehicle to enter parking stall;Driving mechanism, the driving mechanism is installed on the garage above parking stall, and it is flexibly connected with lock body by connecting piece, so that its lock body is hung in the upper space of parking stall;Vehicle detector and siren;The driving mechanism includes the signal receiver for controlling start, and the signal transmitter compatible with signal receiver;The utility model starts siren after detecting vehicle to enter parking stall by vehicle detector, to remind driver to move car or remote call property or parking stall owner to handle parking stall being occupied;And lock body is hung in the upper space of parking stall by driving mechanism through connecting piece, can avoid being influenced by parking stall ponding.

1. Name of the product in this design: Vehicle detector (125). 2. Purpose of this design: to control the drop of vehicles at parking lot gates and prevent them from being smashed, as well as to trigger signals in other scenarios. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. This is demonstrated through the submitted 3D and 4D diagrams, omitting the left and right views.

This invention relates to the field of Internet of Things (IoT) technology, and in particular to a parking lot navigation method and system based on a ceiling-mounted vehicle detector. The method includes: detecting a vehicle parked in a corresponding parking space using the ceiling-mounted vehicle detector and activating a Bluetooth detection thread; detecting a mobile Bluetooth terminal within the corresponding parking space and associating it with that space; detecting the mobile Bluetooth terminal again and determining its relative position to the associated parking space; generating a navigation route and controlling the flashing lights of the ceiling-mounted vehicle detector according to the generated route to guide the user to the associated parking space; obtaining the location of the mobile Bluetooth terminal and dynamically controlling the switching of the ceiling-mounted vehicle detector between Bluetooth nodes and detection nodes within the parking lot; determining whether the distance between the Bluetooth mobile terminal and the corresponding parking space is less than a set distance threshold; if so, stopping navigation; otherwise, continuing navigation. This invention utilizes a ceiling-mounted vehicle detector to achieve parking lot navigation without user intervention, offering high efficiency and convenience.

An apparatus for controlling a host vehicle comprises a driving lane recognizer configured to determine whether a driving lane on which the host vehicle is traveling is congested or not, a neighboring vehicle detector configured to obtain vehicle information including a movement and a heading direction of at least one neighboring vehicle traveling on at least one neighboring lane, a lane change intention determiner configured to determine whether the at least one neighboring vehicle has an intention to cut in the driving lane based on the vehicle information, a cut-in allowance determiner configured to determine whether to allow a cut-in of the at least one neighboring vehicle, and a cut-in response controller configured to control the host vehicle to accelerate or decelerate according to a determination of the cut-in allowance determiner.

The application provides a vehicle detector data repair performance analysis method considering multi-factor influence, and belongs to the technical field of intelligent traffic information. The application specifically comprises the following steps: building an expressway road network model based on VISSIM traffic simulation software, and generating expressway multi-source data by using the expressway road network model; obtaining the repair value of the expressway traffic flow parameter by repairing the real value of the expressway traffic flow parameter; constructing a vehicle detector data repair performance analysis model based on a BP neural network structure, training the vehicle detector data repair performance analysis model by using the expressway multi-source data and the repair value of the expressway traffic flow parameter; and quantitatively analyzing the vehicle detector data repair performance by using the trained vehicle detector data repair performance analysis model. The application can make the vehicle detector data repair performance reach an ideal level, has guiding significance for traffic managers to arrange expressway multi-source detection equipment, and further improves the reliability of traffic data.

The application provides a multi-phase single intersection signal control system and method with adaptive control. The application uploads the vehicle queue length data measured by the vehicle detectors arranged at each phase of the intersection to a data processing platform, calculates a pseudo-Jacobi matrix through the input vehicle queue length difference of each phase, and then calculates the green light timing of each phase required to achieve the queue length difference in the period through the pseudo-Jacobi matrix and the theoretical queue length difference. After the calculation is completed, the data is issued to the signal machine for execution. After the execution is completed, the next cycle period is started, so as to realize the model-free adaptive control of the intersection.

The utility model relates to the technical field of hammer tools, in particular to a multifunctional vehicle detection hammer which comprises a hammer head and a hammer handle, one end of the hammer handle is fixedly connected with the hammer head, the other end of the hammer handle is provided with a measuring unit, the measuring unit comprises a connecting seat and a measuring scale, one end of the connecting seat is connected with the measuring scale, and the other end of the connecting seat is connected with the measuring scale. The hammer handle is provided with a cavity used for containing the measuring ruler, and the two ends of the connecting base are detachably connected with the hammer handle. According to the multifunctional hammer, the cavity is formed in the hammer handle, the measuring ruler is hidden in the cavity, the multifunctionality of the hammer is increased, in this way, the requirement for conveniently and rapidly measuring the depth and the gap of a part can be met when a railway wagon is detected or maintained, the measuring ruler is arranged in the cavity of the hammer handle, the measuring ruler can be protected, and the service life of the hammer is prolonged. The measuring precision of the measuring scale is ensured.

The application relates to a fast road main line lane control and entrance ramp cooperative control method, and belongs to the intelligent transportation field. The method comprises the following steps: S1, multiple vehicle detectors are respectively installed on the main line lane and the entrance ramp, and lane flow, vehicle speed and density of corresponding detection points are acquired; S2, a main line lane control model is constructed: the lane expected flow rate ratio of vehicles driving to the merging area on the main line is calculated, then the traffic operation state level of each lane on the main line at the merging area is obtained in combination with traffic operation state level division rules, and the level is adjusted according to the conditions of each lane; and S3, an entrance ramp control model is constructed: the entrance ramp adjustment rate in the current control period is calculated, and is compared with the ramp traffic flow to judge, so that the green light duration of the ramp control signal lamp is obtained. The application can increase the traffic flow of the ramp into the main line, improve the traffic capacity of the merging area, and reduce the lane changing times of vehicles in the merging area.

The utility model discloses an alarm device for ETC lane transaction failure prompting. The alarm device comprises a radar vehicle detector, an alarm controller, a relay, a travel switch, a switching power supply and an alarm signal generating device. When the radar vehicle detector detects that the vehicle enters the ETC lane, if the handrail is lifted, the transaction succeeds, the travel switch is switched off, and the system does not trigger voice; if the handrail is kept falling, the transaction is failed, the travel switch is closed, and when the signals of the radar vehicle detector (the vehicle exists) and the travel switch (the rod falling state) are met at the same time, the relay is closed; the alarm controller receives the trigger signal and drives the alarm signal generating device to play a prompt tone; according to the device provided by the embodiment of the invention, the traffic efficiency is improved, the vehicle detention time is shortened through voice timely guidance, and lane congestion is relieved; the driver is ensured to know the transaction state in time through prompt (voice and LED); anti-interference design and protective measures guarantee long-term stable outdoor operation.

The invention relates to the technical field of traffic information fusion, and discloses a traffic sensing system and a traffic sensing method based on multi-source information fusion, and the traffic sensing system comprises a plurality of radar vehicle detectors; a plurality of MEC edge calculation units, each MEC edge calculation unit being in signal connection with the millimeter wave radar and the video camera of the corresponding monitoring vertical rod and corresponding to a plurality of radar vehicle detectors; one radar vehicle detector is connected with one or more MEC edge calculation units; and the plurality of MEC edge calculation units carry out multi-source information fusion on the information of all millimeter wave radars, video cameras and radar vehicle detectors so as to carry out full-track monitoring on key node road sections. According to the traffic sensing system and the traffic sensing method, multi-view traffic information sensing is realized, the sensing capability of a key road section is improved, and the technical problems that accurate sensing cannot be realized in a scene in which a front cart shields a rear cart, and errors are large or false targets appear in a scene in a relatively long distance are solved.

1. Name of the product in this design: Multimode detection millimeter-wave radar geomagnetic vehicle detector. 2. Purpose of this design: A sensor product for detecting vehicles and calculating parking fees in smart parking spaces in cities. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a metrological verification method for a dynamic weighing system of a road large transport vehicle, and the method comprises the steps: S1, providing a plurality of reference vehicles, and weighing the mass of each reference vehicle through a static weighing apparatus; s2, the reference vehicle formation passes through the weighing area, and after the head of the first reference vehicle drives into the weighing area, the vehicle detector is shielded immediately, so that the vehicle detector is virtualized that the reference vehicle does not completely enter the weighing area, and when the mass accumulation of the reference vehicles passing through the vehicle detector in sequence reaches the set reference mass, the reference vehicle is stopped from entering the weighing area; the shielding of the vehicle detector is removed, and the weighing system displays the weighing results of all the reference vehicles passing through the weighing area; and S3, calculating a weighing error according to a difference value between a weighing result and a set reference mass, and judging whether the metering of the dynamic weighing system of the large transport vehicle is qualified or not. The problems that the reference vehicle is difficult to find and the mass of the reference vehicle cannot be determined are solved, so that metrological verification of the dynamic weighing system of the large transport vehicle is realized.

The invention provides an intelligent tunnel lighting control method and system based on artificial intelligence, and relates to the technical field of tunnel lighting control. The method comprises the steps that a plurality of vehicle detectors are arranged, and vehicle flow data and real-time vehicle speed data within preset time are acquired; judging whether the lighting power needs to be adjusted to the minimum power according to the traffic flow data; if the illumination power does not need to be adjusted to the minimum power, environment data of the multiple tunnel areas are collected in real time; determining an illumination demand index according to the environment data and the real-time vehicle speed data; determining adjusted lighting power according to the lighting demand index and the minimum power; acquiring illumination data; and determining an illumination response delay compensation amount according to the illumination data. According to the tunnel illumination control system and method, tunnel illumination can be accurately controlled according to multiple factors such as the traffic flow, the real-time vehicle speed, the multi-tunnel area environment data and the illumination data, the tunnel driving safety is improved, and the energy consumption of tunnel illumination is reduced.

A grade crossing control system (400, 600) includes a track circuit with a grade crossing predictor (GCP) system (40), and at least one auxiliary shunting device (420, 430) connected to the rails (20a, 20b) of the railroad track (20), wherein a railroad vehicle travelling on the railroad track (20) causes a change of impedance when entering the track circuit, wherein the at least one auxiliary shunting device (420, 430) detects a presence of the railroad vehicle travelling on the railroad track (20) and generates an auxiliary change of the impedance of the track circuit, and wherein the GCP system (40) generates grade crossing activation signals in response to the change of the impedance or the auxiliary change of the impedance of the track circuit. The auxiliary shunting device is provided to improve reliability in case of poor shunting. In a first implementation the auxiliary shunting device is an additional shunt (428) between rails and within the approaching distance (AL), wherein the shunt is switched on by a separate vehicle detector (422). In a second implementation the termination shunt (SI) is switched off by a vehicle detector (422) before the approaching distance (AL).

The utility model discloses a circuit for calculating saturation and parking times of an intersection, and belongs to the technical field of electronic circuits, the circuit for calculating saturation and parking times of the intersection comprises a vehicle detector interface circuit, a signal lamp color sampling circuit and a data processing and resolving circuit, and additionally or optionally, the signal lamp color sampling circuit is connected with the data processing and resolving circuit. The system further comprises a data encryption and decryption circuit, an Ethernet serial port server and a router. The vehicle detector interface circuit is used for receiving real-time vehicle speed, passing vehicle number and queuing length from a vehicle detector, the signal lamp color sampling circuit is used for sampling on-off states of three colors of traffic signal lamps, and the data processing and resolving circuit is used for processing and resolving received data. Therefore, the intersection saturation and the vehicle parking frequency are generated. The circuit can be directly and electrically connected with a vehicle detector and a traffic signal lamp, and real-time, accurate and automatic calculation of the saturation degree of the intersection and the number of parking times is achieved.

The utility model relates to the technical field of traffic detection equipment, and particularly discloses a front-end dynamic traffic information acquisition device, which comprises a multi-target radar vehicle detector. The mounting mechanism comprises a mounting plate and a plurality of clamping strips arranged on the side, away from the multi-target radar vehicle detector, of the mounting plate, the ends of the clamping strips are connected with sliding blocks, the mounting plate is provided with sliding grooves used for sliding of the sliding blocks, and the mounting plate is provided with fixing pieces used for fixing the sliding positions of the sliding blocks; the mounting seat is fixedly connected to one side, close to the multi-target radar vehicle detector, of the mounting plate; according to the utility model, the installation mode can be conveniently adjusted according to the installation requirements, the operation and the installation are easy, and the multi-target radar vehicle detector can be subjected to angle adjustment around the Y axis or the Z axis, so that the multi-target radar vehicle detector can be adjusted to a proper detection angle according to the road shape and the traffic flow to cover a plurality of lanes or target areas; the front-end dynamic traffic information can be collected conveniently, and the back-end can check the collected information conveniently.

The utility model relates to a vehicle flow adjusting system technical field especially based on tunnel intelligent adjustable deceleration strip system of vehicle flow data drive, its technical scheme includes: the first vehicle detector that fixed installation is in the tunnel entrance statistics to the vehicle that enters the tunnel, the second vehicle detector that fixed installation is in the tunnel exit statistics to the vehicle that drives out the tunnel, signal light is fixedly installed in the tunnel entrance, a plurality of dynamic speed limit signs are fixedly installed in the tunnel, a plurality of adjustable deceleration strips are fixedly installed in the tunnel entrance. The utility model can adjust the radian of deceleration strip according to the traffic flow in the tunnel, prevent the adjustable deceleration strip of low radian from being insufficient to force all drivers to decelerate to the expected speed, and prevent the adjustable deceleration strip of high radian from causing the bumping influence to the vehicle. According to the traffic flow in the tunnel, the height of adjustable deceleration strip can be adjusted in real time, to realize the safe traffic of vehicle.

The external environment recognition apparatus includes an in-vehicle detector and a microprocessor. The microprocessor recognizes, as road surface information, a road surface of a road on which a subject vehicle travels and a three-dimensional object thereon, based on point cloud data of each frame acquired by the in-vehicle detector; determines, based on a predetermined size of a predetermined three-dimensional object and a measurement distance from the subject vehicle to the object based on the point cloud data, an interval of detection points for point cloud data of a next frame; and predicts a gradient of an unrecognized road surface based on gradient information associated with map information. The microprocessor determines, for a range from the maximum depth distance to the required depth distance, the interval based on the predetermined size and an estimated distance to the object estimated from the map information and the gradient.

The invention belongs to the technical field of road traffic safety, and discloses an autonomous road traffic system vehicle rollover risk early warning method and system, and the method comprises the steps: collecting the kinetic parameters, road parameters and environmental parameters of an autonomous vehicle; based on GPS / INS positioning data, in combination with a roadside unit collaborative awareness technology, space-time synchronization and dynamic mapping of a vehicle planning track and road environment parameters are carried out, and a space-time coupling sequence used for rollover prediction is constructed; calculating a real-time rollover risk index according to the four-wheel load obtained by the data of the vehicle detector; according to the real-time rollover risk index, taking the kinetic parameters, the road parameters and the environmental parameters of the current vehicle as input, and adopting an extreme random tree algorithm to predict a rollover risk index value in a future preset time; and judging a rollover risk level according to the predicted rollover risk index value, and outputting early warning information for an autonomous road traffic system to perform safety control and path adjustment.

The utility model discloses a mobile green channel vehicle detector, and belongs to the technical field of highway green channel detection. Comprising a track and a truck. Wherein the track comprises a first track and a second track which are arranged in parallel, and a to-be-detected vehicle is located between the first track and the second track. The truck comprises a first truck linearly sliding on the first track and a second truck linearly sliding on the second track. An emission assembly is arranged on the first truck and used for emitting rays. A receiving assembly is arranged on the second truck and used for receiving the rays emitted by the emitting assembly. When the vehicle is detected, a worker controls the first truck and the second truck to move synchronously to drive the transmitting assembly and the receiving assembly to move synchronously, so that the vehicle is detected and scanned. A driver does not need to drive a vehicle for detection, and detection errors caused by different running speeds of detected vehicles are avoided.

This product is a vehicle detection device that can be installed in parking lots and other similar locations, and uses a camera and sensors built into the main unit to manage the entry and exit of vehicles.

1. Name of the product in this design: Wireless Intelligent Vehicle Detector. 2. Purpose of this design: Security inspection equipment used to detect whether a vehicle is hiding a person. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

An external environment recognition apparatus includes an in-vehicle detector and a microprocessor. The microprocessor is configured to perform: recognizing a surface of the road and a three-dimensional object on the road for each frame as the road surface information based on a three-dimensional point cloud data including distance information for every one of a plurality of detection points in a matrix shape acquired in every frame by the in-vehicle detector; determining an interval of detection points of the three-dimensional point cloud data as a scanning angular resolution of the electromagnetic wave based on a size of a predetermined three-dimensional object and a distance to the predetermined three-dimensional object; and taking a predetermined avoidance measure so that at least one of the scanning angular resolution and a number of detection points corresponding to the interval of detection points does not exceed a predetermined limit value.