44results about How to "Reduce the severity of the collision" patented technology

The present invention is vehicle with pedestrian protecting mechanism including a control unit, an air source and an air bag connected together. The engine hood is openable in the side near the windshield. The folded air bag is set inside the engine hood, and the unfolded air bag is spreaded before the windshield while part of it is located below the opened engine hood to support the engine hood. The vehicle with pedestrian protecting mechanism has comprehensive protection and easy control.

The invention discloses an optimized node access method based on a self-adaptive backoff window and a backoff speed in a mobile Ad hoc network, comprising the steps of: in a frame of the traditional IEEE (Institute of Electrical and Electronics Engineers) 802.11DCF access protocol binary backoff algorithm, computing the optimal initial backoff window according to real-time node density, and setting a reducing speed for the backoff time according to real-time channel occupying state, thereby simultaneously realizing the self-adaptive update of the backoff window and the self-adaptive update of the node access channel speed. In the Ad hoc network scene in which the nodes are in frequent activities, according to the optimized node access method based on the self-adaptive backoff window and the backoff speed, the network throughput and the average time delay are increased to the greater extent, and the package loss is reduced.

The invention discloses a vehicle control system which comprises a vehicle control unit, a motor controller and a motor, wherein the vehicle control unit is arranged on a vehicle and used for generating and sending a first braking instruction used for controlling the vehicle to execute the operation of avoiding a vehicle in the back and / or other obstacles behind the vehicle after judging that the vehicle is required to avoid the vehicle in the back and / or other obstacles behind the vehicle; the motor controller is arranged on the vehicle and used for receiving the first braking instruction and controlling the motor to execute a first braking instruction; the motor is arranged on the vehicle and used for executing the first braking operation under the instruction of the first braking instruction. Through the adoption of the vehicle control system disclosed by the invention, the technical problem of high collision probability of a vehicle in front and the vehicle in the back caused by the fact that the vehicle in the back can only initiatively adopt measures to prevent collision with the vehicle in front and the vehicle in front cannot adopt measures to avoid collision with the vehicle in the back in a related technology is solved.

The invention discloses a magnetic abrasive finishing machine which comprises a machine base, a machining box and a rotating magnetic disk. The machine base consists of a first supporting table and asecond supporting table, and the machining box is placed on the first supporting table. The rotating disc consists of a rotating disc body and a magnet, the magnet is embedded and fixed on the rotating disc body, a first motor is installed on the second supporting table, and the rotating disc body is fixed to an output shaft of the first motor. The machining box comprises a box body and a cover body, a filter plate is arranged in the box body, and the filter plate is connected with the box body through a spring. The filter plate divides the box body into a machining cavity and a chip removal cavity, a plurality of magnetic grinding materials are placed in the machining cavity, and the size of the hole diameters of filtering holes is smaller than that of the magnetic grinding materials. Thetop of the inner wall of the cover body is fixedly provided with a liquid inlet pipe, a plurality of nozzles are installed on the liquid inlet pipe, a first liquid storage barrel and a second liquidstorage barrel are arranged beside the machine base, the first liquid storage barrel is connected with the liquid inlet pipe, and the first liquid storage barrel is used for supplying cooling liquid to the liquid inlet pipe. The second liquid storage barrel and the chip removal cavity are connected through a liquid discharge pipe, and the second liquid storage barrel is used for collecting coolingliquid and waste chips discharged by the machining box.

A method for assembling seal component in seal device of magnetic liquid includes binding bottom pole shoe and un-magnetized R b Fe B as well as top pole shoe together to form seal component, locking prepared seal component on process spindle, grinding external circles two said pole shoes, washing ground seal component, magnetizing washed seal component, placing magnetized seal component in shell internal hole on seal device of magnetic liquid type and injecting magnetic liquid in.

The invention discloses a charging pile capable of relieving bumping level for a new-energy vehicle. The charging pile comprises a charging pile body, a base, a first compression spring, a second compression spring, a charging gun, a connecting wire, a top plate and a placing port, the top of the charging pile body is provided with a top plate, a protecting plat is arranged on the upper portion ofhe front side of the charging pile body, a wire unreeling groove is formed in the inner side of the protecting plate, the wire unreeling groove is internally provided with a connecting wire, the charging gun on the connecting wire is connected with the placing port, the base is arranged at the lower end of the charging pile body, an abutting head is connected with a clamping groove formed in a clamping head, the clamping head is located at one end of an installing block, the other end of the installing block is connected with an anti-bumping strip through a first compression spring, and anti-bumping protrusions are arranged on the outer end face of the anti-bumping strip. The charging pile capable of relieving the bumping level for the new-energy vehicle has the advantages that the bumping level on the charging pile body by external objects can be relieved, and the charging gun and the connecting wire can be protected.

The invention discloses a radio frequency identification (RFID) anti-collision method for an adaptive back-off mechanism. According to the method, different back-off factors are determined and selected according to collision position conditions in the process of identifying a reader, so that all the labels are efficiently and rapidly identified through the adaptive back-off mechanism. According to the method, the adaptive back-off mechanism can be performed, the identification efficiency is greatly improved, and the mechanism is simple and feasible in structure, short in searching time, low in energy consumption and suitable for an RFID application system with lots of strict label and energy consumption requirements.

The invention is suitable for the technical field of screening, and provides a fruit and vegetable screening device which comprises a screening barrel, the screening barrel is rotationally connected with a support, a motor is arranged on the support, the motor is in transmission connection with the screening barrel, the screening barrel is provided with a plurality of screening areas, and the sizes of screening holes of different screening areas are different; the screening plate is located below the screening barrel, the screening plate is connected with the support in a sliding mode, and the screening plate is provided with a partition plate corresponding to the screening area; the material bins are located below the screening plate, and the material bins are arranged corresponding to the screening areas; and a lifting bearing plate is arranged in the stock bin. In this way, the collision degree of fruits and vegetables in the screening and falling process can be reduced, the good falling buffering effect is achieved, damage to the fruits and vegetables is reduced, the product quality is improved, meanwhile, the screening barrel rotates to drive the screening plate to reciprocate, and the two screening actions of a drum screen and a flat screen are achieved through one motor.

The invention relates to the field of coating equipment, and discloses an efficient coating machine for mechatronics, which comprises a bracket, an outer cylinder is fixedly mounted at the top of the bracket, a rotatable net cylinder is arranged in the outer cylinder, a speed reducer unit for driving the net cylinder to rotate clockwise is arranged at the top of the bracket, and an annular cavity is formed between the inner wall of the outer cylinder and the outer side of the net cylinder; a gas leading-in pipe communicated with the annular cavity is arranged on one side of the support, and a side plate is fixedly connected to one side of the net cylinder. Due to the fact that the guide plates and the guide covers are arranged in the net cylinder in a staggered mode, and the guide covers are provided with the net plates communicated with the net cylinder and the through holes, when the whole net cylinder rotates clockwise, pills, tablets and other particles in the net cylinder are separated from each other under the action of self gravity. Particles such as pills and tablets can fall on the inner walls of the flow guide plate, the net plate and the net cylinder in a stable rolling mode all the time, the pills and tablets falling on the inclined face of the flow guide plate are coated through spraying of the spray head, and the collision degree of coatings on the surfaces of the particles such as the pills and the tablets is low before drying.

The invention discloses an underwater terminal autonomous docking system and method based on light vision guidance. The system comprises an underwater docking station and an autonomous underwater robot used for docking. The underwater docking station adopts a frame type configuration, and six identification light sources are mounted at specific positions of the underwater docking station to construct a three-dimensional guide lamp array; the underwater robot is provided with an underwater camera and an image processing unit in addition to the capability of autonomous navigation, and the underwater camera and the image processing unit are used for collecting and processing underwater images. The underwater terminal autonomous docking method comprises an underwater image processing method and a staged docking control method. According to the image processing method, the relative pose amount of the robot and the docking station is calculated according to image information collected by the camera, and the position tracking deviation of the robot is calculated according to the relative pose amount. Based on different results obtained by shooting a guide lamp array by a camera at different distances, a long-distance and short-distance staged docking control method is designed, and docking control of the robot is realized by adopting different docking control strategies.

The invention discloses a magnetic abrasive finishing process machine. The magnetic abrasive finishing process machine comprises a machine base, a processing box and a rotating magnetic disc, whereinthe machine base comprises a first supporting table and a second supporting table; the processing box is placed on the first supporting table, and the rotating magnetic disc comprises a rotating discand a magnet body; the magnet body is embedded and fixed to the rotating disc, a first motor is installed on the second supporting table, and the rotating disc is fixed to an output shaft of the firstmotor; the processing box comprises a box body and a cover body, a filter plate is arranged in the box body, and the filter plate and the box body are connected through a spring; the filter plate partitions the box body into a processing cavity and a chip removal cavity, a plurality of magnetic abrasives are placed in the processing cavity, and the pore size of filter holes is smaller than the size of the magnetic abrasives; a liquid inlet tube is fixed to the top of the inner wall of the cover body, and a plurality of spray heads are installed on the the liquid inlet tube; a first liquid storage barrel and a second liquid storage barrel are arranged on the sides of the machine base, the first liquid storage barrel is connected with the liquid inlet tube, and the first liquid storage barrel is used for supplying cooling liquid to the liquid inlet tube; and the second liquid storage barrel is connected with the chip removal cavity through a drain tube, and the second liquid storage barrel is used for collecting the cooling liquid and sweeps discharged from the processing box.

The invention relates to the field of curtains, and discloses a device installed on a window and used for reducing curtain swing noise. The device comprises a curtain, a first noise reduction device and a second noise reduction device, the curtain is installed on the inner side of the window, the first noise reduction device and the second noise reduction device are installed on the left side and the right side of the window respectively, the first noise reduction device and the second noise reduction device are the same in structure and are bilaterally symmetrical with respect to a central symmetry axis of the window, the first noise reduction device comprises a first power supply device, a first control device and a first noise reduction structure, the first noise reduction structure comprises a first electromagnet and a first magnet, the first power supply device is electrically connected with one end of the first electromagnet, a fixing part is arranged at the lower end part of the curtain, the first magnet is arranged on one face, close to a window, of the fixing part, the first control device comprises a first sliding rail, a first control structure, a second magnet and a third magnet, and the first control structure slides on the first sliding rail. The device reduces noise under the condition that sunshade of the curtain is not affected and is simple and practical.

The invention discloses an emergency braking control system adapted to the vehicle driving state. The system comprises a vehicle speed sensor, a ranging radar, an AEB controller and a braking master cylinder controller, the ranging radar is used for detecting the vehicle distance between a vehicle and a front vehicle and the vehicle speed of the front vehicle in real time, the vehicle speed sensor is used for detecting the real-time vehicle speed of the vehicle, the AEB controller calculates collision occurrence time ttc according to data collected by the ranging radar and the vehicle speed sensor, and enables the brake master cylinder controller to control the whole emergency brake according to a three-level brake control method. According to the threshold value calculation method in the system, the ttc threshold value and the braking force can be dynamically adjusted according to the vehicle speed value in the vehicle braking stage, so that the sensitivity of the ABE system is improved when the vehicle is in a high-speed state or a front vehicle is in a sudden deceleration state, and high safety is achieved; and the sensitivity of the AEB is reduced in a low-speed state or a slow-speed state of the front vehicle, so that the intervention opportunity of the system is reduced on the premise of improving the safety, and the influence on the driving comfort of the vehicle is reduced.

The invention discloses a bulk head of a dry slag bulk machine and relates to the technical field of bulk machines. The bulk head comprises an inner cylinder and an outer cylinder, wherein the inner cylinder and the outer cylinder are fixedly connected through a plurality of supporting rods. A flange is fixed to the center of the top of the outer cylinder through a supporting rod. A sleeve type telescopic joint is fixedly connected with the center of the top of the outer cylinder through the flange. The upper end of the inner cylinder is small, the lower end of the inner cylinder is large, andthe side peripheral surface of the inner cylinder is an inwards-concave arc surface. The size of the upper end of the inner cylinder is smaller than the size of the sleeve type telescopic joint. Thetop of the outer cylinder is connected with a dustproof sleeve cloth bag which covers the outer portion of the sleeve type telescopic joint. The bottom of the outer cylinder is lower than the bottom of the inner cylinder. The bulk head has the technical effects that the bulk head can be matched with an open truck during use without dust, so that the discharging efficiency and the cleaning degree are improved.

The invention discloses an adaptive emergency braking control system for a vehicle running state. The system includes: a vehicle speed sensor, a distance measuring radar, an AEB controller and a brake master cylinder controller. The vehicle distance of the vehicle in front and the vehicle speed of the vehicle in front, the vehicle speed sensor is used to detect the real-time vehicle speed of the vehicle, and the AEB controller calculates the time of collision ttc according to the data collected by the ranging radar and the vehicle speed sensor, and according to the three-level system The automatic control method makes the brake master cylinder controller control the entire emergency braking. The threshold calculation method in this system can dynamically adjust the ttc threshold and the braking force according to the vehicle speed during the vehicle braking phase, so that the vehicle can increase the sensitivity of the ABE system in the state of high speed or the state of rapid deceleration of the vehicle in front to obtain a better performance. Safety; reduce the sensitivity of AEB at low speed or slow deceleration of the vehicle in front, and reduce the timing of system intervention on the premise of improving safety, so as to reduce the impact on vehicle driving comfort.

A power-off switching hammer drill tool comprises a casing, a drilling component and a hammering component, a shifting component, a driving motor and a stopping component, wherein the drilling component and the hammering component are matched with the casing; the drilling component and the hammering component are in transmission fit with a driving motor through a transmission mechanism; the transmission mechanism comprises a transmission member, a nested gear set, a drilling driven gear, and a hammering driven gear; one end of the nested gear set is connected with the driving motor for transmission; the other end of the nested gear set is matched with the transmission member driven by the shifting component for shifting so as to achieve engaging movement with the drilling driven gear and the hammering driven gear; the stopping component comprises a stopping contact switch fixedly arranged in a knob body, a controller connected with the stopping contact switch and the driving motor through an electric wire, and a contact pad connected to the stopping contact switch circuit and arranged in a switching button. The tool of the design has the advantages of easy shifting, low equipment abrasion rate and safe use.

The invention discloses inorganic waste purification treatment equipment for ecological protection. The inorganic waste purification treatment equipment for ecological protection comprises a construction waste treatment device and is characterized in that a stirring machine is arranged in the construction waste treatment device, the inner wall of the stirring machine is fixedly connected with a water storage column, and a flexible film is arranged on the outer wall of the water storage column; a water cavity and gravity wheels are arranged below the stirring machine, a pipeline is arranged below the stirring machine, a rubber wheel is arranged on the outer side of each gravity wheel, and the gravity wheels are located in the pipeline below the stirring machine; a first air bag is arranged in the water cavity, one end of the first air bag is fixedly connected with a telescopic column, the gravity wheels are in rolling connection with the first air bag, and the telescopic column is in movable contact with the water cavity; and one side of the water cavity is in pipeline connection with a water injection ball, and a hydraulic ball is arranged on one side of the water injection ball. The inorganic waste purification treatment equipment for ecological protection has the characteristics of being high in practicability and automatically making steel bars from abandoned construction waste.

The invention relates to the technical field of reducers, and discloses a worm gear and worm reducer with a buffer effect. The worm gear and worm reducer comprises a reducer shell, a shock absorptiondevice and a worm gear and worm device. The reducer shell comprises an oil tank, an oil scraping column and a spring rotating column, the oil scraping column is arranged on the front inner wall of theoil tank, the spring rotating column is fixedly connected to the right end of the oil scraping column, the left end of the spring rotating column is movably connected with the right inner wall of theoil tank through a bearing, and an oil scraping plate is fixedly connected to the rear end of the oil scraping column. Rod pipes are fixedly connected to the left face and the right face of the oil tank, first threaded holes are formed in the lower inner walls of the rod pipes, and the shock absorption device is arranged above the first threaded holes and comprises a first bearing clamp, a firstrectangular plate and a second threaded hole. According to the worm gear and worm reducer with the buffer effect, the gear collision degree between a worm gear and a worm is greatly reduced, and therefore gear teeth on the worm gear and the worm are protected, and the reducer is helped to do speed reduction work better.

The invention provides a static conductive apparatus. The apparatus comprises a bracket, a liquid crystal screen arranged in the bracket and a metal frame buckled on the bracket and positioned above the liquid crystal screen, wherein an insulated and soft protective cushion layer is arranged on the inner side of a side wall of the bracket. The bracket is used for supporting, the metal frame is used for shielding static electricity, and the insulated and soft protective cushion layer is arranged on the inner wall of the bracket, so that when the liquid crystal screen is put into the bracket, the collision degree is greatly reduced, and even if the liquid crystal screen is installed and placed for multiple times in a long term, the liquid crystal screen still can be well used. The static conductive apparatus capable of well protecting the liquid crystal screen is provided.

The invention discloses a charging pile for new energy vehicles that can reduce the degree of collision, comprising a charging pile main body, a base, a first compression spring, a second compression spring, a charging gun, a connecting line, a top plate and a placement port, the charging pile The top of the main body is provided with a top plate, and the upper front side of the main body of the charging pile is provided with a protective plate, and the inner side of the protective plate is provided with a wire release slot, and the inside of the wire release slot is provided with a connecting wire, and the charging on the connecting wire The gun is connected to the placement port, the base is arranged at the lower end of the main body of the charging pile, the clamping head is connected to the clamping groove on the clamping head, and the clamping head is located at one end of the mounting block, while the other end of the mounting block One end is connected with the anti-collision strip through the first compression spring, and the outer end surface of the anti-collision strip is provided with anti-collision bumps. The charging pile for new energy vehicles that can reduce the degree of collision can slow down the impact force of external objects on the main body of the charging pile, and can protect the charging gun and the connecting wire.

The invention discloses an optimized node access method based on a self-adaptive backoff window and a backoff speed in a mobile Ad hoc network, comprising the steps of: in a frame of the traditional IEEE (Institute of Electrical and Electronics Engineers) 802.11DCF access protocol binary backoff algorithm, computing the optimal initial backoff window according to real-time node density, and setting a reducing speed for the backoff time according to real-time channel occupying state, thereby simultaneously realizing the self-adaptive update of the backoff window and the self-adaptive update of the node access channel speed. In the Ad hoc network scene in which the nodes are in frequent activities, according to the optimized node access method based on the self-adaptive backoff window and the backoff speed, the network throughput and the average time delay are increased to the greater extent, and the package loss is reduced.

The invention relates to the field of electronic products, in particular to an energy-saving anti-fall mouse, comprises a first bevel gear, a second bevel gear, a conductor coil, a first magnet, a second magnet and a light emitting diode, wherein the end face of the first bevel gear is perpendicular to the end face of the second bevel gear, the first bevel gear is meshed with the second bevel gearand vertically arranged, a rotation shaft is fixedly connected between the conductor coil and the first bevel gear, and the conductor coil can rotate freely in a mouse; the first magnet and the second magnet are respectively arranged on both sides of the conductor coil, and the magnetic poles N of the first magnet and the magnetic poles S of the second magnet are positively opposite to each other; as the mouse is moved, the conductor coil cuts the magnetic inductance line to generate electric energy through the magnetic generate electricity principle, and the electric energy is used for charging the storage battery, a plurality of air outlet holes are arranged on the side of the mouse shell, a plurality of elastic layers are fixedly arranged on the air outlet holes, the edge of the elastic layers is fixed with the shell, and the elastic layers seal the air outlet holes, thereby improving the anti-fall ability of the mouse; The invention is applicable to the field of life and office.

The invention discloses a wet curtain missing installation protective structure and a tower type cooling fan. The wet curtain missing installation protective structure comprises a rear shell, a wet curtain, a water receiving tank and an inductive switch. The rear shell comprises an installation groove. The wet curtain is detachably installed on the rear shell and seals the open end of the installation groove. A water supply opening which is used for supplying water to the wet curtain is formed in the installation groove. The water receiving tank is arranged in the installation groove, is controlled by a driving mechanism to move and has a first state and a second state. When the water receiving tank is located in the first state, the water receiving tank is arranged in the mode of gettingclose to the water supply opening. When the water receiving tank is located in the second state, the water receiving tank is arranged in the mode of keeping away from the water supply opening. The inductive switch is arranged on the wet curtain and / or the rear shell, is used for detecting whether the wet curtain is installed or not, and controls the driving mechanism. The cooling fan without the installation of the wet curtain works, the water which flows out of the water supply opening enters the water receiving tank, the water receiving tank collects the water which flows out, the water is prevented from invading the interior of the cooling fan, and the work of circuits of the cooling fan is protected against the influence; the degree of collision between the water flow and the water receiving tank is obviously reduced, and the working noise of the cooling fan is obviously lowered.

The invention discloses a reverse sewing control method, a reverse sewing control system and a sewing machine. The method includes: Step S1: Acquiring the first time period spent by the oscillating plate base to move from the initial position with the initial acceleration to the zero stitch position, and performing Step S2; Step S2: Judging whether the first time period is greater than the preset time length threshold, If so, execute step S3; step S3: adjust the pulling force of the back-tacking electromagnet so that the swing plate base decelerates in the original direction for a second duration, and perform step S4, wherein the back-stitching electromagnet is connected to the swing plate base; step S4: control the swing The plate seat continues to move to the end position according to the original direction, and the acceleration during the movement is not greater than the initial acceleration. This method determines the actual stitch length of the swing plate base by monitoring the movement time of the swing plate base. Compared with the prior art, the generated noise can be reduced.

A method for assembling seal component in seal device of magnetic liquid includes binding bottom pole shoe and un-magnetized R b Fe B as well as top pole shoe together to form seal component, locking prepared seal component on process spindle, grinding external circles two said pole shoes, washing ground seal component, magnetizing washed seal component, placing magnetized seal component in shell internal hole on seal device of magnetic liquid type and injecting magnetic liquid in.

The invention relates to a lamp tube transport box, in particular to an LED fluorescent lamp tube transport box. The LED fluorescent lamp tube transport box which is high in transportation speed and safety is provided. The LED fluorescent lamp tube transport box includes a box body, a cover plate, a placement device and the like, the top of the rear wall of the box body is provided with the rotary cover plate, and the placement device is arranged in the box body. Through the cooperation of an electric winding wheel and a spring, a lamp tube is very convenient to take out and place, and due to a partition plate made of rubber, the impact degree of the LED fluorescent lamp is reduced.

The invention provides a collision protection device and an automobile, relating to the technical field of automobile collision protection. The collision protection device includes a first elastic element and a second elastic element; the first end of the first elastic element is connected with the first body member, the second end of the first elastic element for connection with the first end ofthe second elastic element, and the second end of the second elastic element is connected with the second body member. When a low-speed collision occurs, the first body member is subjected to the collision so as to compress the first elastic element, and the first elastic element absorbs collision energy; when a high-speed collision occurs, the first body member is subjected to the collision to compress the first elastic element, and the first elastic element is capable of compressing the second elastic element such that the first elastic element and the second elastic element simultaneously absorb collision energy. An automobile includes a collision protection device. The problems of high cost, complex structure and high maintenance cost of low speed collision of the existing device are alleviated.

The invention belongs to the field of chemical engineering, and particularly relates to a pipeline washing device for a chemical heat exchanger. The pipeline washing device comprises a supporting plate, a lifting module, a connecting and disconnecting module, a washing module and a water tank; the lifting module is fixed to the supporting plate, and the lifting module is used for supporting the washing module and driving the washing module to move up and down to wash the inner wall of a pipeline; the washing module is mounted at the lower right end of the lifting module, and the washing module is used for washing the inner wall of the pipeline; the connecting and disconnecting module is mounted on the washing module and used for controlling flow-in and flow-out of waterflow in the washing module; and the water tank is used for supplying water needed by the pipeline washing device. The pipeline washing device repeatedly washes the inner wall and the upper end of the pipeline through joint action of the lifting module, the connecting and disconnecting module and the washing module, and the washing effect is good.