118 results about "Post collision" patented technology

The invention relates to a collision detection method and device for a walking motor of a mowing robot. The method comprises the steps of collecting a current value, a speed value and a slope inclination angle of the walking motor of the mowing robot; calculating a current change rate Ax and a speed change quantity Vx; judging whether collision occurs or not; and when the collision is judged to occur, executing a recovery process to restart mowing. The device comprises an acquisition module, a calculation module, a judgment module and an execution module. The invention further relates to electronic equipment and a storage medium. By utilizing the collision detection method and device for the walking motor of the mowing robot, the electronic equipment and the storage medium, the problem that the walking control of the traditional mowing robot usually depends on detecting the current change of the walking motor or a Hall sensor to judge whether slipping or collision occurs or not can be solved; in the prior art, the attitude of the mower or the actual collision force cannot be accurately obtained, frequent shutdown caused by collision is easily misjudged, the operation is interrupted, and the work is difficult to complete; and excessive impact forces damage the lawn or the machine itself.

A system and method for assessing a vehicle's electronic system after a crash includes a vehicle diagnostic computer tool configured to be operatively connected with an electronic system of a vehicle to obtain scan data from the electronic system of the vehicle using a diagnostic scanning program and to obtain collision data from an event data recorder of the vehicle using a collision data recorder program. The collision data and scan data are reported together, such as in a report generated by the vehicle diagnostic computer tool, for evaluating whether vehicle systems requiring repair based on the scan data are attributable to a particular collision event based on the collision data.

The present application provides a collision prompting method, which is suitable for a mobile device. The mobile device comprises an acceleration sensor, a sound sensor and a display screen. First, according to the acceleration data, it is determined whether the mobile device is in a falling state. After confirming that the mobile device is in the falling state, the ambient sound data is collected. Then, according to the acceleration data, it is determined whether the mobile device has a collision. After confirming that the mobile device has a collision, a preset time is calculated, and after the preset time, the collection of the ambient sound data is stopped. Next, according to the acceleration data and the collected ambient sound data, the severity of the collision of the mobile device is determined. Then, according to the severity of the collision, a prompt signal is generated. The present application also provides a collision prompting device.

An embodiment of the present disclosure discloses an autonomous operation device, including: a vehicle body, a moving mechanism connected to the vehicle body, a control module, and a collision plate assembly, where the collision plate assembly includes: a middle collision plate and a pair of end collision plates hinged to the middle collision plate; one end collision plate, the middle collision plate, and the other end collision plate are connected sequentially in an extension direction of the middle collision plate; the middle collision plate and the pair of end collision plates cooperatively cover at least one end of the vehicle body; each end collision plate is movably connected to the vehicle body; a first inductive piece is provided on each end collision plate; a second inductive piece inductively cooperating with the first inductive piece is provided on the vehicle body; after the middle collision plate is collided, the collision plate assembly moves towards the vehicle body; and when the end collision plate rotates or moves along with the middle collision plate, the first inductive piece on the end collision plate inductively cooperates with a corresponding second inductive piece, and sends a signal to the control module. An embodiment of the present disclosure further discloses a control method for the autonomous operation device.

The utility model belongs to the technical field of warning columns, and particularly relates to an anti-collision buffering type warning column which comprises a base, a column body and an elastic column. A connecting cylinder is axially mounted on the base, the cylinder is coaxially arranged above the connecting cylinder, and a spring is arranged between the cylinder and the connecting cylinder; the two ends of the elastic column extend into the connecting cylinder and the column body correspondingly and are connected through a connecting piece, and the surface of the elastic column is coaxially sleeved with the spring. According to the structure, through the design that the two ends of the elastic column are connected with the column body and the connecting cylinder, the structural stability of the spring installation position is effectively improved, the warning column is assisted to be quickly reset after being collided, meanwhile, external damage can be avoided through the built-in arrangement of the elastic column, and the service life of the warning column is prolonged.

The utility model discloses a traffic transportation facility anti-collision device, which belongs to the technical field of traffic facilities and comprises a mounting frame, a buffer pad is arranged on one side outside the mounting frame, a first buffer spring piece is fixed on the inner side wall of the buffer pad, and a buffer plate is fixed at one end, far away from the buffer pad, of the first buffer spring piece; an anti-rolling mechanism is arranged on a traditional traffic anti-collision device, primary collision buffering protection is achieved through a first buffering spring piece and a second buffering spring piece, when the second buffering spring piece is subjected to out-of-limit collision, a guide rod is pushed outwards by the maximum stroke along a fixing plate, a lock rod is pushed away from a lock handle, and the anti-rolling mechanism is used for preventing collision. The protection rod is rotated by means of the elastic deformation effect of the volute spring until the first clamping trip shaft is blocked by the second clamping trip shaft and stops in the vertical state, the purpose of increasing the protection height above the mounting frame is achieved, anti-rolling protection is effectively conducted on a vehicle, and the protection effect of anti-collision facilities is improved.

The invention discloses a safe and intelligent driving method and device for improving convenience of leaving a vehicle after collision, and relates to the technical field of intelligent driving. The method comprises the following steps: acquiring a signal of a vehicle safety system; judging whether the vehicle is in a collision state or not based on the acquired signal of the vehicle safety system; if the vehicle is in the collision state and the duration of the collision state does not exceed a set time threshold value, controlling a vehicle window, a hidden door handle and a skylight to enter an easy-to-escape state; if the vehicle collision state is a collision confirmation state and the seat safety belt state is fastened, the vehicle door is controlled to enter an unlocking state; otherwise, controlling the car window, the hidden door handle, the skylight and the car door to be in a normal state; and if the vehicle is in the collision confirmation state, activating the emergency call system. Therefore, an escape channel can be more intelligently and comprehensively created for the passengers after collision, both rapid escape and passenger restraint are taken into account, external rescue is facilitated, and the problem of escape and rescue blind areas existing in the related technology is solved.

The invention relates to a particle collision device (10) for detecting an electrical charge after a collision of a particle (12) with a collision partner (14), with an acoustic particle holding device (16), a particle preparation device (32) for changing at least one particle property of the particle (12), a collision partner (14) and a charge detector (28) which is configured to detect an electrical charge of the particle (12) and / or the collision partner (14) after a collision of particle (12) and collision partner (14).

The application provides a radar control method and device, a vehicle and a computer readable storage medium, and relates to the technical field of vehicles.The method comprises the following steps: in the case that it is determined that a vehicle has collided, the collision position of the vehicle is determined; a target radar is determined according to the collision position and the layout of the radar carried by the vehicle; and the target radar is turned off.The application can avoid the laser beams emitted by the target radar from damaging the eyes of a user by turning off the target radar located at the collision position after the vehicle has collided.

The invention generally relates to the technical field of outdoor high-altitude construction suspension equipment, and particularly discloses an anti-collision safety device for a high-altitude hanging basket and high-altitude operation equipment, the anti-collision safety device comprises a shell, an adsorption mechanism and a control mechanism, a containing cavity is formed in the shell, and the shell is provided with a wall leaning face facing a building wall; the adsorption mechanism comprises a vacuum tank and an adsorption part, adsorption holes are formed in the adsorption surface, and the vacuum tank is communicated with the adsorption holes through pipelines; the control mechanism comprises a controller, an on-off piece and a detection piece. The on-off piece and the detection piece are electrically connected with the controller. And the adsorption part is adsorbed to a building wall surface through negative pressure adsorption force generated in the adsorption holes, so that the stability of the high-altitude hanging basket is guaranteed. Passive defense after the high-altitude hanging basket collides with the building is achieved under the extreme weather condition, continuous collision between the high-altitude hanging basket and the wall face of the building is effectively avoided, enough emergency protection time is provided for operators, the safety of the operators in the high-altitude hanging basket is improved, collision loss is reduced, and the operation risk is reduced.

The utility model belongs to the technical field of circuit board protection, and particularly relates to a circuit board protection device for civil engineering electrical installation, which comprises a frame body, two sliding grooves are arranged on the outer side wall of the frame body, a protection cover is arranged above the frame body, and the left side wall and the right side wall of the protection cover are both in sliding connection with the inner side walls of the sliding grooves. The top of the frame body is fixedly connected with a buffer pad, the protective cover is provided with a sliding opening, a telescopic rod is slidably connected in the sliding opening, the top of the protective cover is fixedly connected with a fixing sleeve located above the sliding opening, and an insulating pressing plate is arranged below the protective cover. When collision occurs, the frame body and the protective cover can resist a part of impact, the buffer pad can effectively relieve the impact below the circuit board, the circuit board is contacted with the insulating pressing plate when being impacted to move, the spring is contracted at the moment, and the impact force is counteracted through the rebound force of the spring.

The invention relates to a vehicle control system and a vehicle. A vehicle control system includes: a door lock mechanism; the collision pre-detection unit is used for acquiring vehicle driving state data and obstacle position data; the intelligent driving controller is used for generating a first unlocking control instruction when it is determined that a collision risk exists based on the vehicle driving state data and the obstacle position data; and the domain controller is used for controlling the door lock mechanism to unlock when receiving the first unlocking control instruction. The intelligent driving controller can actively generate a first unlocking control instruction before actual collision based on real-time data of the collision pre-detection unit, controls the door lock mechanism to be unlocked through the domain controller, and forms a redundancy mechanism with unlocking after collision of the collision controller, so that the safety of collision is improved. And the risk of abnormal unlocking of the vehicle door when a single trigger source has the problems of signal interference, wire harness disconnection and the like in a control loop is avoided. Therefore, the reliability of vehicle door unlocking in the collision accident process can be effectively improved, and then the riding safety is improved.

The invention relates to the technical field of battery protection, in particular to a new energy automobile battery protection bin which comprises an upper cover, a lower cover, a battery pack, a collision detection assembly, a trigger assembly and a gas cylinder, when an automobile electronic control BMS system fails after an automobile collides, a collision detection device will provide a collision signal, the trigger assembly is driven, a trigger gas channel is opened, and the battery pack is protected; the high-pressure cooling gas in the gas cylinder is discharged into the battery compartment, so that the high-pressure cooling gas in the gas cylinder cools the battery pack in the battery compartment after the vehicle is impacted, and the problems that after the vehicle is impacted, a battery compartment cooling system fails, the battery is prone to spontaneous combustion and spontaneous explosion, and secondary injury is caused to personnel are avoided; the temperature of the battery in the battery compartment is maintained in a safe range, and the stability of the battery and the safety of passengers are ensured.

The invention provides a method and device for predicting battery thermal runaway caused by collision, and relates to the technical field of battery thermal runaway prediction. According to the method, when a vehicle collides, internal strain and temperature data of a battery and external voltage, current and other multi-mode sensing data are obtained; determining a thermal runaway comprehensive risk probability and a dynamic early warning threshold value through a space-time fusion prediction model; for a scene with the risk in a medium state, calling a block chain historical case to calculate a collaborative risk probability and completing probability fusion; and when the comprehensive risk probability or the target risk probability is higher than a threshold value, determining an early warning level and chaining the evidence packet for evidence storage, and triggering an execution end for early warning by the block chain smart contract. The early-stage accurate pre-judgment of the thermal runaway of the battery after collision is realized, the false alarm and missing alarm rate is reduced, and the early-warning and response capability of the battery collision safety is improved.

The utility model discloses a passive clearance detection device for rail transit vehicles, which is characterized in that a collision displacement module is mounted on a to-be-tested vehicle, elastic displacement is generated under stress after the collision displacement module is in contact with or collides with line over-limit equipment, and an over-limit detection module is connected with the collision displacement module through a connecting rod structure. When the collision displacement module is in contact with the line over-limit equipment and an over-limit event is generated, a displacement signal is generated through the action of the connecting rod structure and is converted into an electric signal; the signal receiving and processing module receives electric signals, reads position information of a to-be-tested vehicle and records an over-limit occurrence position, the collision displacement module can adopt a threaded installation structure and a soft material, the over-limit device and the soft material are not damaged during collision of the over-limit device, the soft material is replaceable, adjustable in size and customizable, the structure is simple, and the cost is low. Miniaturized design can be adopted, the cost is low, dynamic limit detection can be carried out by a direct method, the test precision is high, repeated utilization can be realized, and an over-limit position can be quickly positioned.

The application discloses a design method of a vehicle front end structure, the vehicle front end structure and a vehicle. The design method of the vehicle front end structure comprises the following steps: acquiring bending moment values of multiple shanks at different time points within an effective collision time, the bending moment values of the multiple shanks comprising two maximum original peak values; determining whether to weaken or strengthen the strength of the vehicle front end structure according to a comparison result of the sizes of the two maximum original peak values and the corresponding time points; when the vehicle front end structure is determined to be too strong, weakening the strength of the vehicle front end structure; and when the vehicle front end structure is determined to be too weak, strengthening the strength of the vehicle front end structure. The two maximum peak values after the improved vehicle front end structure collides with a pedestrian are both smaller than the maximum original peak value. The injury value finally borne by the shank of the pedestrian depends on the maximum peak value. When the maximum peak value is small, the injury borne by the shank of the pedestrian is reduced, so that the leg injury of the pedestrian is reduced as much as possible.

The application discloses a mechanical arm obstacle-avoiding moving method and device, equipment and a storage medium, and relates to the technical field of mechanical arms. The technical scheme provided by the application comprises the following steps: acquiring a plurality of first reference paths, determining a joint probability distribution model of the plurality of first reference paths, and determining a second reference path through the joint probability distribution model; constructing a target path model through a kernelized motion primitive based on the second reference path; in the case that the mechanical arm collides with an obstacle, determining an obstacle-avoiding point according to a preset obstacle-avoiding distance, calculating the target path model based on each path point in the second reference path and the obstacle-avoiding point to obtain a first target path, and controlling the mechanical arm to move according to the first target path. Through the above technical means, the problem that the mechanical arm cannot continue working after collision in the prior art is solved, and the working efficiency of the mechanical arm is improved.

This application provides a mobile-assisted video-synchronized curling training data acquisition method, relating to the field of data acquisition technology, including the following steps: when the coordinate distance between any two curling stones is detected to be less than a first preset threshold, extract the velocity vectors of the two curling stones within a preset time before the collision, mark the curling stone with the larger modulus as the source curling stone, and mark the curling stone with the smaller modulus as the collided stone; using the moment of the collision as the dividing point, split the coordinate sequence of the source curling stone into a first pre-collision coordinate subsequence and a first post-collision coordinate subsequence, and assign a first data stream identifier; split the coordinate sequence of the collided stone into a second pre-collision coordinate subsequence and a second post-collision coordinate subsequence, and assign a second data stream identifier; encapsulate the coordinate subsequence with the first data stream identifier and the coordinate subsequence with the second data stream identifier into a data packet, and push it to the mobile terminal.

The utility model discloses a safety protective fence for municipal and highway engineering, which belongs to the technical field of protective fences, and comprises a plurality of first fixing units, each first fixing unit comprises a fixing seat, the bottom of each fixing seat is fixedly connected to the ground, the top of each fixing seat is fixedly connected with a fixing plate, the side part of each fixing plate is provided with a buffer groove, and the buffer grooves are fixedly connected with the fixing plates. A buffer bag is fixedly connected into the buffer groove; and the multiple second fixing units and the multiple first fixing units are distributed in a staggered mode in a one-to-one correspondence mode. According to the utility model, the first fixing unit and the second fixing unit are connected by arranging the winding spring and the protective belt, after part of the fixing units are collided, collision is hindered under the elastic force action of the winding spring, and through stretching of the protective belt, the collision time is prolonged, the collision strength is reduced, and the buffering effect is further improved; and after the collision is finished, under the elastic force action of the winding spring, the part of the fixing unit which is separated from the ground has the tendency of restoring to the original position.

This invention discloses a door anti-collision device based on shape memory alloy, belonging to the field of vehicle safety protection technology. The device includes a shape memory alloy anti-collision beam body, a triggering system, a heating unit, and an auxiliary energy-absorbing layer. The anti-collision beam body is made of nickel-titanium shape memory alloy material, with deformation guide grooves on its surface to limit the controlled deformation path and improve energy absorption efficiency. The triggering system consists of an inner door pressure sensor, a side millimeter-wave radar, and a surround-view camera, used to monitor the environment around the door in real time and transmit signals to the electronic control unit. This door anti-collision device improves the safety of side collisions, solves the problems of low energy absorption efficiency of existing door anti-collision beams in high-speed side collisions and performance degradation after repeated collisions, while meeting the requirements of vehicle lightweighting.

This utility model discloses a vehicle anti-collision beam strength testing device to prevent debris from splashing, comprising: a base, a protective cover mounted on top of the base, and a hydraulic rod installed inside the protective cover; adjustment mechanisms for changing the test position are provided on both the front and rear sides of the base, and a buffer mechanism for preventing debris from splashing is provided on the front side of the protective cover. The adjustment mechanism includes a motor, a transmission mechanism, an adjustment rod, and an adjustment block. The output end of the motor is equipped with the transmission mechanism, and the adjustment rod is installed on the left side of the transmission mechanism. The adjustment rod is threadedly connected to the outer side of the adjustment block. The motor is mounted on the right side of the base. This vehicle anti-collision beam strength testing device can effectively simulate the physical state of anti-collision beam protection of a vehicle, and allows for convenient and free adjustment of the test position to test different parts of the anti-collision beam, while preventing damage to the device from debris splashing after a collision.

The application relates to the technical field of intelligent automobiles and discloses a door lock control method and system supporting secondary collision, which comprises the following steps: calculating a collision severity index according to vehicle sensor data; judging whether a first collision occurs according to the collision severity index, if yes, determining a collision type, and setting a door lock unlocking parameter threshold according to the collision severity index and the collision type; continuously monitoring the vehicle state after the first collision, if a secondary collision is detected, resetting or maintaining the door lock unlocking parameter threshold according to the comparison result of the current collision severity index and the collision severity index of the first collision; and outputting an unlocking signal when the vehicle state meets the unlocking condition corresponding to the current door lock unlocking parameter threshold. The application adjusts the door lock unlocking threshold intelligently by comprehensively using various sensor data, is suitable for various secondary collision scenes, and effectively overcomes the problem that the existing door lock unlocking algorithm adopts a fixed threshold and cannot adapt to various secondary collision scenes.

The utility model discloses a horn column structure, a television set housing and a television set, the horn column structure comprises a horn column main body, the horn column main body comprises a pedestal and a top column, the pedestal is connected with the television set housing, and the top column is convexly arranged on the pedestal; the surrounding bone piece is arranged on the television shell and connected with the base, and the surrounding bone piece protrudes in the axial direction of the horn column main body and extends in the circumferential direction of the horn column main body so as to surround at least part of the periphery of the horn column main body. According to the trumpet column structure, the trumpet column main body is enclosed through the enclosing bone piece to form protection, so that the risk of breakage of the trumpet column during collision is effectively reduced.

The invention discloses a vehicle-mounted intelligent sensing anti-collision buffer device and an anti-collision control method, which are applied to the technical field of automobile safety, and can effectively weaken impact force generated by collision by realizing multi-stage progressive buffer energy absorption, avoid part damage caused by local stress concentration, reduce the influence of collision on a vehicle body and a driving area, and improve the safety of the vehicle. The device has good automatic reset performance and can be repeatedly used after light collision, the use economy and the long-term protection effect of the device are improved, and the device can adapt to collision scenes with different intensities; the extension state of the buffer component can be adjusted in real time according to the driving environment, an anti-collision buffer barrier is constructed in advance, the adaptability and protection accuracy to collisions with different distances and different strengths are improved, the damage degree of the collisions to a vehicle body is effectively reduced, invalid loss of the buffer structure is reduced, the overall service life of the device is prolonged, and the working efficiency of the buffer structure is optimized. And unnecessary space occupation is avoided.

The utility model discloses a robot base anti -collision mechanism, including the supporting plate still includes the inside guard frame, the outer guard frame and the support buffer mechanism, the inside guard frame fixed connection in the outer side wall of supporting plate, the outer guard frame is fixedly connected in the outer wall of inside guard frame through the support buffer mechanism, the support buffer mechanism is fixedly connected between the inside guard frame and the outer guard frame, and the buffer cavity is formed between the inside guard frame and the outer guard frame. The utility model belongs to intelligent logistics carrier vehicle technical field, and specifically is a kind of all -round passive protection for AGV transport robot, and the reverse elastic support after weakening collision, keep the robot base anti -collision mechanism of the central stability of AGV transport robot inside the protective structure.

The utility model relates to the technical field of signboards, and discloses an anti-collision road signboard capable of being disassembled and assembled at will, which comprises a cement pile, an installation seat is fixed on the upper surface of the cement pile, an assembly box is fixedly sleeved on the surface of the installation seat, and a top cover is fixedly sleeved on the top of the assembly box. A top identification plate is movably mounted in the assembly box, a plurality of springs are fixed between the top identification plate and the mounting base, an anti-collision plate is movably mounted on the side wall of the assembly box, and an energy absorption arc plate is fixedly arranged between the anti-collision plate and the side wall of the assembly box in a sleeving manner; a plurality of damping rods are fixed to the positions, located between the energy absorption arc plates, of the side wall of the anti-collision plate, and a synchronous plate is fixed to the movable ends of the damping rods jointly. Gradient type energy absorption buffering is achieved, a damaged part can be replaced and reset according to the collision condition after collision, and the safety of the signboard is guaranteed on the premise that it is guaranteed that the recognition range of the signboard is not reduced.

The application provides a post-collision life risk identification method and device, electronic equipment and storage medium, and relates to the technical field of vehicles. The method comprises the following steps: in the case that a collision warning signal of a vehicle is detected, target data of a first period before the collision and target data of a second period after the collision are acquired, the target data comprising at least one of living body detection data, emergency rescue call data and a vehicle body component state corresponding to each driving and riding position; and life risk information is determined based on the target data of the first period and the target data of the second period. The application acquires the target data of the first period before the collision and the target data of the second period after the collision, thereby identifying the life risk information after the collision, which is beneficial to improving the timeliness of life risk identification and effectively solving the problem of the lag of life risk identification compared with the mode of waiting for rescue personnel to conduct on-site investigation.

The invention discloses an automatic jacking graph collision sliding processing method based on a ship CAD platform, and the method specifically comprises the following steps: S1, judging the inclusion relation of a selected part and a to-be-detected part, checking collision conditions, and carrying out the collision detection of the selected part and the to-be-detected part; the parts are automatically divided into two groups along with triggering of the selection command, the two groups comprise a movable part group and a fixed part group, and the fixed part group is the parts to be detected; s2, when the parts have a collision relationship, generating a rectangular edge dot matrix, and sequentially taking the rectangular edge dot matrix as an initial position point to calculate an effective position; s3, quickly searching an effective position, storing effective position information and calculating a positioning point distance; and S4, comparing and screening to determine a final effective position point. According to the method, the phenomenon that the parts are clamped after collision in interactive trepanning is avoided, meanwhile, the sliding speed is high, operation is smooth, and clamping is avoided.