166 results about "Electronic throttle" patented technology

The invention discloses a laser welding tool for automatic machining of an electronic throttle valve, and relates to the technical field of laser welding tools, the laser welding tool comprises a fixed bottom plate, the top end of the fixed bottom plate is provided with an ash falling opening, the middle position of the top end of the fixed bottom plate is provided with a mounting frame, and the front end and the rear end of the top of the fixed bottom plate are both provided with threaded rods; a fan is installed in the middle of the bottom end of the installation frame, and an adjusting mechanism used for adjusting the blowing angle of the fan is arranged on the side of the installation frame. According to the laser welding tool for automatic machining of the electronic throttle valve, a movable block can synchronously drive a movable plate to move when moving, and the movable plate can push a workpiece to the middle position when moving, so that the workpiece to be machined is finally located in the middle position of the top end of a fixed bottom plate; and meanwhile, the clamping plates arranged on the inner sides of the moving plates can buffer and clamp the workpieces through elasticity, so that the workpieces have movement allowance when being clamped, and the surfaces of the workpieces are prevented from being damaged.

The invention relates to an intelligent control technology of an internal combustion engine, in particular to a multivariable cooperative control method of a dual-fuel engine, which realizes dynamic optimization matching of fuel injection and an air system through deep reinforcement learning and multivariable decoupling control technologies. According to the method, a dual-fuel engine multivariable cooperative control system based on deep reinforcement learning and dynamic decoupling is constructed, the dual-fuel engine multivariable cooperative control system is composed of an air system control layer, a multivariable decoupling layer and a fuel injection control layer, and the air system control layer controls the fuel injection control layer through a TD3-PID algorithm according to the vehicle speed, the vehicle speed and the vehicle speed. The rotating speed N, the torque T, the common rail pressure Prail, the fuel temperature Tfuel and the mixed fuel density rho mix are operated in real time to serve as state variables, data are collected and processed, and the dynamic adjustment amount of the electronic throttle valve is obtained; by means of a PSO-PID decoupling mechanism and a DDPG-PID intelligent control algorithm, decoupling regulation and control over the dual-fuel dynamic ratio, the EGR rate and the supercharging pressure according to working condition changes are achieved, the economical efficiency, the emission performance and the dynamic performance of the dual-fuel engine under the dynamic operation working condition are remarkably improved, and the method has the advantages of being high in self-adaptive capacity and high in robustness.

The utility model discloses a motorcycle electronic throttle valve with an integrated sensor, which comprises a throttle valve shell, a gear transmission mechanism is arranged in a cavity at the upper part of the throttle valve shell, the lower part of the gear transmission mechanism is connected with a valve shaft, the valve shaft is positioned in the throttle valve shell, and the inside of the valve shaft is of a hollow structure; a hollow structure is arranged in the throttle valve shell, a disc fixed through a screw is arranged in the hollow structure in a penetrating mode, the bottom of the valve shaft is connected with an integrated sensor, the integrated sensor is located at the bottom of the throttle valve shell, and the integrated sensor comprises a temperature sensor, an angle sensor and a pressure sensor. The throttle valve has the advantages that the integrated sensor is arranged at the bottom of the throttle valve, temperature, pressure and angle are integrated, installation space is saved, measured data such as the temperature, the pressure and the angle can be fed back to corresponding elements, opening of the throttle valve is controlled, air inflow of the throttle valve body is adjusted, normal work of an engine is guaranteed, and the throttle valve is safe and reliable. And the emission of the engine is reduced.

A novel supercharged engine general arrangement structure relates to the technical field of engine research and development. A valve chamber cover and oil filler cap assembly and a rear cam bearing cap assembly are arranged above the engine body; a synchronous chain housing assembly, a generator, a crankshaft pulley assembly and an air conditioner compressor are arranged at the front end; an intake manifold assembly, an electronic throttle body, a thermostat and housing assembly, a fuel gas injection rail assembly and an oil rail assembly are arranged on the intake side; a turbocharger assembly, a three-way catalyst assembly, a water pump and adapter assembly and a water inlet pipe and O-shaped ring assembly are arranged on the exhaust side; a small circulation water return steel pipe assembly, an oil cooler connecting pipe assembly, a flywheel shell assembly and a flywheel disc and gear ring assembly are arranged at the rear end of the flywheel shell assembly; and an oil pan and an oil filter are arranged below. According to the structure that the supercharged engine with the fuel gas and fuel oil dual-fuel supply with the displacement of 2.0 L is overall arranged at the inclination angle of 0-10 degrees, the whole engine is compact in arrangement and integrated in design, and the energy-saving and environment-friendly requirements are met.

The utility model discloses an electronic accelerator pedal based on analog signals and PWM (Pulse Width Modulation) output, which comprises a pedal body and two signal circuits consisting of an input module, a Hall module and an output module which are sequentially connected, and the two signal circuits are respectively an analog signal circuit and a PWM signal circuit, a Hall module of the analog signal circuit adopts a linear Hall sensor U1 for outputting analog signals, a Hall module of the PWM signal circuit adopts a digital Hall sensor U2 for outputting PWM signals, the U1 and the U2 are respectively powered by independent power supplies, the signal circuit of the pedal adopts two circuit design schemes, different Hall sensors are adopted to output the analog signals and the PWM signals, and the signal circuit of the pedal adopts a single-chip microcomputer. The whole vehicle ECU obtains the percentage of the two paths of signals, whether the pedal breaks down or not is recognized according to the synchronization degree judgment standard, the situation that the whole vehicle cannot recognize the fault due to common cause failure of the pedal is avoided, the random failure rate of the pedal is reduced, and the design diversity is improved.

The utility model belongs to the technical field of diesel engines, and relates to a hydrogen fuel single-cylinder engine which comprises a piston and a piston pit located at the end of the piston, and the piston pit is of a shallow-basin-shaped structure. The system further comprises a hydrogen inlet system and an electric control system, the hydrogen inlet system comprises a hydrogen sprayer, a hydrogen cylinder, a gas delivery pipe and a pressure increasing valve, the electric control system comprises a control unit, an electronic accelerator and a crankshaft position sensor, the hydrogen cylinder is communicated with the hydrogen sprayer through the gas delivery pipe, the hydrogen sprayer is communicated with the combustion chamber, and the pressure increasing valve is arranged on the gas delivery pipe. And the control unit is electrically connected with the hydrogen sprayer, the electronic throttle and the crankshaft position sensor respectively. The structure of the piston pit is improved, the electronic control gas injection system and the fuel oil injection system are adopted to replace a traditional pure fuel oil injection system, timing and quantification of hydrogen gas injection can be guaranteed, good economical efficiency is achieved, and the hydrogen gas replacement rate can reach about 90%; pollutant emission is greatly reduced, and low oil consumption is kept.

The utility model relates to the technical field of electronic rotary handle accelerators, in particular to a lightweight electronic rotary handle accelerator based on double Hall sensors, which comprises a main body. A first cavity, a circuit board, a double-Hall element, a handle core, a second cavity and a magnet are further included, the first cavity is installed on the rear side of the left surface of the main body, the circuit board is installed in the first cavity, the double-Hall element is arranged on the surface of the front side of the circuit board, the handle core is connected to the right side of the main body, and the second cavity is installed on the rear side of the left surface of the handle core; by arranging the double Hall elements, when the handle core is rotated, the handle core drives the second cavity and the magnet to rotate synchronously, the magnetic field changes, and the double Hall elements sense the change of the magnetic field, so that the rotation angle is accurately calculated, and signals are sent to other processing units through the wire harness and the connector to make acceleration and deceleration instructions. Therefore, high control precision is achieved.

The invention discloses an electronic throttle valve body and sector gear assembling device and method.The electronic throttle valve body and sector gear assembling device comprises a rack and further comprises a torsional spring sector gear assembling mechanism, a sector gear body assembling mechanism and a welding mechanism which are arranged on the rack, and the torsional spring sector gear assembling mechanism is used for assembling a sector gear and a torsional spring; the sector gear body assembling mechanism is used for assembling the assembled torsional spring and the sector gear on the body, and the welding mechanism is used for welding the sector gear and the body. The device has the advantages that the torsional spring, the sector gear and the body can be quickly assembled, compared with manual assembly, the efficiency is higher, the precision is higher, the whole device only needs to transfer products manually, the space for adopting a mechanical transfer mechanism is saved, and the size of the whole device is reduced.

The invention relates to an aero-engine full-automatic test run electronic throttle lever control system, method and equipment, and relates to the field of aero-engines. According to the full-automatic test run scheme, the electronic handle box, the pump adjusting execution motor and the electric box are integrated, and full-process automatic control from program starting to data feedback is achieved. After the automatic button is pressed down, the main control module enters a full-automatic test run mode, actions of the handle driving motor and the pump adjusting execution motor are accurately adjusted and controlled through a PI loop, it is ensured that the handle driving motor and the pump adjusting execution motor synchronously run according to preset instructions, and the operation precision and efficiency are improved. In the process, the system not only can obtain and adjust the matching degree between the accelerator instruction and the handle position in real time, but also can synchronously monitor the oil needle position of the pump adjusting execution motor, so that the consistency and the stability of the test run process are ensured. Besides, the scheme supports automatic recording and backtracking of test run data, subsequent analysis and optimization are facilitated, digital management of test run is realized, and safety is guaranteed through a band-type brake locking mechanism when a fault occurs.

To provide a vehicular control device that can reduce accidental damage caused by operation mistake in operation of a brake operation member and an accelerator operation member or suppress occurrences of the accident, in a vehicle mounted with a manual transmission.SOLUTION: When an accelerator pedal is stepping-operated (T11), an operation amount of the accelerator pedal and rapidity of change in the operation amount is determined from a sensed signal by an accelerator sensor. When the operation amount of the accelerator pedal is above a predetermined amount and the rapidity of change in the operation amount is above a predetermined speed, an electronic throttle valve is controlled, so that a rotation speed of an engine is lowered to a first rotation speed (T12).SELECTED DRAWING: Figure 3

The utility model discloses a plastic shell light-weight electronic throttle valve which comprises a throttle valve shell, a supporting sleeve is fixedly connected to the upper end of the throttle valve shell, a driving shaft is connected into the supporting sleeve in a sleeved mode, and according to the plastic shell light-weight electronic throttle valve, a fixing block loses constraint by rotating and dismantling a screw. The cover body can be conveniently moved upwards to drive the clamping ring and the sealing ring to be disassembled, the rotating shaft can be conveniently moved upwards to disassemble the throttle valve piece for cleaning, maintaining and replacing, the clamping pin, the rotating shaft and the shaft sleeve are designed to conveniently and rapidly clamp the driving shaft, and the situation that normal use is affected by lateral deviation and shaking when the throttle valve piece rotates is prevented; the design of the clamping ring and the cover body can limit the throttle valve piece, the throttle valve piece is prevented from automatically moving upwards to affect use, the supporting sleeve loses constraint by rotating the dismounting bolt, the supporting sleeve is conveniently moved towards one side to drive the clamping block to be separated from the automobile mounting position, and the throttle valve shell can be rapidly dismounted for maintenance and replacement.

The invention provides a vehicle thermal management system vehicle-mounted refrigerator refrigerating device, a vehicle and a control method. The vehicle thermal management system vehicle-mounted refrigerator refrigerating device comprises a first electronic throttle valve, a second electronic throttle valve, a refrigerator evaporator, a micro booster pump, a switching valve and a controller. The first electronic throttle valve and the second electronic throttle valve are connected in parallel between an outlet of a vehicle condenser and an inlet of a refrigerator evaporator; an outlet of the refrigerator evaporator is connected with the input end of the switching valve, the first output end of the switching valve is connected with the common air return pipeline, the second output end of the switching valve is connected with the pressurization air return pipeline, and the miniature booster pump is arranged on the pressurization air return pipeline. And the output ends of the common air return pipeline and the pressurized air return pipeline are converged and then connected to a low-pressure air return port of the vehicle compressor. According to the vehicle-mounted refrigerator refrigerating device of the vehicle thermal management system, the vehicle and the control method, the comprehensive effects of energy conservation, noise reduction, weight reduction, cost reduction and reliability improvement can be achieved while rapid cooling of the refrigerator is achieved.

The present application belongs to the technical field of dual-axis compressor testing of aircraft engines, and specifically relates to a speed control system and method for dual-axis compressor testing of aircraft engines. The system is designed to be able to switch between the speed control mode of the configuration interface and the speed control mode of the electronic throttle lever by using a speed control mode switching button, and is also designed with speed control mode switching control logic to ensure safe and disturbance-free switching between the speed control mode of the configuration interface and the speed control mode of the electronic throttle lever. In addition, the system is designed to be able to switch between the speed control mode and the speed control mode by using a speed control / linkage control switching button, thereby realizing separate control of the speeds of the inner and outer shafts, as well as dual-axis matching and linkage control, which well meets the requirements of dual-axis compressor testing.

The utility model relates to the technical field of agricultural equipment, in particular to an electronic throttle fixing support and a tractor with the same. The electronic throttle fixing support comprises an electronic throttle mounting plate, a connecting structure assembled with a portal frame is arranged on one face of the electronic throttle mounting plate in a protruding mode, and an electronic throttle fixing structure is arranged on the electronic throttle mounting plate. The electronic throttle mounting structure has the advantages that the structural design is simple and reasonable, the assembly of the electronic throttle mounting plate and the portal frame is ensured through the connecting structure, the proper mounting distance between the electronic throttle mounting plate and the portal frame can be ensured through the protruding connecting structure design, and the electronic throttle can be well fixed through the electronic throttle fixing structure; therefore, the requirement of installing the electronic throttle on a new tractor is met.

The invention discloses a control method, device and system for a diesel engine supercharger. The control method comprises the following steps that current state data of a diesel engine are obtained; according to the rotating speed of the engine and the fuel injection quantity, the current intake manifold required pressure is determined in a table look-up MAP mode; determining a correction coefficient according to the altitude; determining a demand pressure value according to the correction coefficient and the current intake manifold demand pressure; and the real-time air inlet pressure of the air inlet manifold is obtained, and the opening degree of the electronic throttle valve is controlled according to the required pressure value till the real-time air inlet pressure of the air inlet manifold is equal to the required pressure value. According to the method, the engine rotating speed, the oil injection quantity and the corresponding optimal required pressure are determined through the bench test when the real-time rotating speed of the supercharger is equal to the supercharger rotating speed limit value, the current required pressure of the intake manifold can be determined through table look-up in actual operation, and it is guaranteed that the supercharger does not overspeed; and the problem of engine power loss caused by fuel injection quantity reduction is avoided.

The invention relates to the technical field of automobile pedal assemblies, and discloses a novel electronic accelerator pedal assembly, which comprises a pedal and a pedal seat box arranged below the pedal, and further comprises a rotating shaft with one end fixed below the pedal and the other end rotatably inserted in the pedal seat box; the elastic piece is fixed on the pedal seat box and the rotating shaft and is used for adjusting the friction resistance degree of rotation of the pedal; the speed limiting piece is fixed in the pedal seat box and used for being matched with an automobile visual early warning system to intelligently limit the rotating angle of the accelerator pedal so as to limit the running speed of the automobile; the speed limiting gear ring, the speed limiting groove and the speed limiting block cooperate with the visual early warning system, and the vehicle speed is controlled by limiting the rotation angle of the pedal; the surrounding environment is monitored in real time by combining obstacle detection, collision early warning and a reversing image system, so that accidental acceleration or obstacle collision of the vehicle caused by slow response of a driver during low-speed driving or reversing is avoided; according to the intelligent control system, the driving safety is improved, and accidents caused by driving negligence are reduced.

The invention relates to the technical field of electronic throttle valves, in particular to a method and system for recognizing the opening position of a valve plate through a Hall sensor, and the method comprises the steps: obtaining a control signal on a brushless motor, and controlling the Hall sensor to collect a magnetic field signal to obtain a magnetic signal sequence after the control signal is collected; extracting a magnetic pole inversion point according to the magnetic signal sequence, and determining a motor rotation angle according to the magnetic pole inversion point; and the valve plate opening is generated according to the motor rotation angle. In order to solve the problem that in the prior art, two rotating speed sensors need to be arranged in an electronic throttle valve, the cost is high, in the scheme, the rotating speed sensors are replaced with Hall sensors, the layout positions of the Hall sensors on a substrate are adjusted, and the Hall sensors are arranged close to a Hall element at the front end of a worm; therefore, the opening angle of the valve plate can be accurately measured after the sensor is simplified, and the product cost is reduced.

The utility model relates to diesel engine electronic throttle valve technical field, concretely is a long -life diesel engine electronic throttle valve, including throttle component, install two groups of carbon deposition protection components in throttle component in, the throttle component includes the stay rod, the valve piece of fixed mounting in the stay rod inside and the two guide rods of fixed mounting in the valve piece inside and symmetrical distribution. Through installing two groups of carbon deposition protection components of symmetrical distribution at the both ends of the throat pipe, accompanying the valve piece is turned on one's side, two guide rods on the valve piece will drive two slide posts relative side bending and stretch, two post heads after being stretched finally will drive two inner gaskets shrink to the middle part of the throat pipe cavity, and then will make two filter gas elastic net stretch into the inner eight character structure, thereby can carry out carbon deposition capture to the incoming gas, and the quick reset after the filter gas elastic net loses pressure, and can further improve the separation of the surface carbon of filter gas elastic net under the knocking action of the reverse vane.

The utility model discloses a liquid cooling flow control valve for a battery pack, which is provided with a water inlet joint capable of being connected with a vehicle body; the first end of the water pipe connector is connected with the second end of the water inlet connector; the first end of the corrugated pipe is connected with the second end of the water pipe connector; the first end of the electronic throttle valve is connected with the second end of the corrugated pipe; the first end of the water outlet pipe is connected with the second end of the electronic throttle valve, and the second end of the water outlet pipe is connected with the battery pack liquid cooling plate, so that the problem that the flow in the battery pack liquid cooling loop cannot be controlled is solved; the opening and closing angle of the electronic valve is controlled to control the flow of the cooling liquid, so that the battery cooling rate forms closed-loop control according to the real-time temperature of the battery.

The invention relates to the technical field of throttle valve polishing, and discloses electronic throttle valve body polishing equipment which comprises a base plate, a supporting table is arranged on the base plate, a clamping air cylinder is fixedly arranged above the supporting table, a fixing frame is installed at the bottom of the telescopic end of the clamping air cylinder, an electric sliding table is installed on the base plate, and the electric sliding table is arranged to be a U-shaped sliding table. A movable vertical plate is slidably arranged on one side of the electric sliding table, double grinding heads used for polishing the two cavity walls of the inner cavity of the throttle valve body are rotatably installed on the side portion of the movable vertical plate, a fixed vertical plate is fixedly installed on the other side of the electric sliding table, and a single grinding head is rotatably installed on the side portion of the fixed vertical plate. According to the scheme, the single grinding head and the double grinding heads are in butt joint in the center of the inner cavity of the throttle valve body, wall leaning of the grinding heads is achieved through the electric sliding table after butt joint, the inner wall of the throttle valve body is effectively prevented from being scratched in the butt joint process, and locking after butt joint is achieved in the wall leaning process of the grinding heads.

This invention discloses a device and control method for maintaining uniform pressure and temperature in the engine intake chamber. The device includes a circulation pipe, with its two ends fixedly connected to the flywheel end and free end of the intake chamber, respectively. The intake passages of the first and last cylinders are connected to the intake chamber. Temperature and pressure detection devices are installed on both the first and last cylinder intake passages. A regulating valve is installed on the circulation pipe to adjust the flow rate of the boosted intercooled air in the circulation pipe. The detection devices are connected to the ECU, and the regulating valve is controlled by the ECU. The regulating valve is configured as an electronic throttle. The ECU monitors the intake pressure and temperature signals of each cylinder in real time, obtains a preset electronic throttle opening angle based on the temperature and pressure differences, and controls the opening angle of the electronic throttle according to the preset angle. This precisely controls and adjusts the flow rate of the boosted intercooled air in the circulation pipe, ensuring uniform intake pressure and temperature in each cylinder, improving engine knock pressure uniformity, exhaust temperature uniformity, and reducing vibration.

The present invention discloses an electronic throttle structure and a speed-changing bicycle, wherein the electronic throttle structure is applied to a speed-changing bicycle and comprises: a throttle seat, a control module provided on the throttle seat, a first control member and a second control member provided on the control module; a turning handle, the turning handle being provided on one side of the throttle seat and being rotatable relative to the throttle seat, a trigger member provided on the turning handle, when the turning handle rotates to a first predetermined position, the trigger member contacts the first control member and generates a first control signal, and when the turning handle rotates in the opposite direction to a second predetermined position, the trigger member contacts the second control member and generates a second control signal. The present invention provides two control members for respectively controlling upshifting and downshifting on the control module, and when the turning handle rotates to the first predetermined position and the second predetermined position, it contacts one of the control members to generate a control signal and trigger one of the upshifting and downshifting operations. Compared with the wire-pulling device used in the existing throttle, the structure is simple and the gear shifting and speed change are accurate and efficient.

The utility model discloses electronic throttle valve pin shaft and bushing press in device, including frame, set up on the pin shaft press in mechanism and bushing press in mechanism of frame, the pin shaft press in mechanism includes setting up on the first fixture of frame and setting up on the first down pressure subassembly of frame, bushing press in mechanism includes setting up on the second fixture of frame, setting up on the second down pressure subassembly of frame and setting up on the material component of frame, material component and down pressure subassembly vertical correspondence. Advantage: can complete throttle housing and pin shaft and bushing's assembly fast, and can give a jacking force to the housing in the direction of being affected by the second down pressure subassembly to the bushing assembly process through material component, prevents the housing and appears loose and influences bushing press in, thereby improves the precision of bushing press in.

The utility model discloses surface treatment equipment for an automobile electronic throttle die-casting bottom plate piece, which belongs to the technical field of mechanical engineering and comprises a treatment frame and a circulating structure, a treatment barrel is connected onto the treatment frame, a stand column is rotatably connected into the treatment barrel, a workbench is fixedly connected to the upper end of the stand column, a motor is connected below the treatment barrel, and the circulating structure is arranged on the treatment barrel. And an anti-skid belt is in transmission connection with the exterior of the stand column, the circulating structure is connected with the treatment frame, and a lifting plate is slidably connected to the back face of the treatment frame. According to the device disclosed by the utility model, the positioning structure, the convex block, the expansion piece II, the filter ring and the fixed ring are arranged, and the filter ring and the fixed ring can realize a quick assembly function through the matching among a spring, an L-shaped groove and a clamping block, and the filter ring and the fixed ring are subjected to lifting treatment in the treatment barrel through the expansion piece II; the impurities on the surface of the filter ring can be treated in a centralized manner subsequently, so that the flexibility of the treatment device is guaranteed.

The utility model discloses a cable throttle control system of a motorcycle, which belongs to a throttle body cylinder body control device in the technical field of motorcycle equipment, and adopts the technical scheme that the cable throttle control system comprises a throttle body; the stay wire rotary table is rotationally arranged on one side of the throttle valve body and used for controlling opening and closing of the throttle valve body; the accelerator control handle is connected with the rotating end of the stay wire turntable through a first stay wire; the stay wire rotary table control assembly is arranged at the position of the stay wire rotary table, and the stay wire rotary table control assembly controls rotation of the stay wire rotary table through a second stay wire; the utility model provides a motorcycle stay wire accelerator control system which can quickly complete the automatic downshift oil recharging action of a motorcycle with a stay wire throttle valve system under the condition that an electronic throttle valve system is not used. And meanwhile, under the condition that operation of a driver is not needed, the automobile can automatically keep running at a certain speed, and the auxiliary effect on driving is achieved.

A suspension electronic accelerator comprises a shell, a rotating shaft assembly, a reset piece, a supporting sleeve, a sensor and a pedal, the rotating shaft assembly comprises a rocker, a shaft sleeve and a connecting pin, the rocker penetrates through a through hole in the middle of the shaft sleeve, and the rocker and the shaft sleeve are fixedly connected in a crossed mode through the connecting pin and installed in a curved surface installation groove of an installation base; one end, positioned above the curved surface mounting groove surface, of the shaft sleeve extends outwards to form a swing arm to limit and support the rotation of the rotating shaft assembly; one end of the reset piece mounted on the support sleeve is fixed on the rotating shaft assembly, and the other end is fixed on the mounting seat; one end of the rocker is connected with the sensor, and the other end of the rocker is connected with the pedal. A tight and stable structure is formed between the rotating shaft assemblies and between the rotating shaft assemblies and the reset piece, in the rotating process of the rotating shaft, the problems that in the prior art, looseness and breakage are prone to occurring between an electronic throttle connecting plate and a shaft are effectively solved, and sensitive and accurate control over the opening degree of a throttle valve is ensured.

The present invention discloses a cleaning device for an electronic throttle assembly. The present invention relates to the technical field of cleaning devices. During cleaning, a scraper is usually used to scrape in cooperation with the dissolution of a cleaning agent. After the carbon deposit layer is scraped off, the scraper still scrapes the inner wall of the throttle valve, resulting in serious wear of the inner wall of the throttle valve. With the cooperation of the scraping cylinder roller and the arc brush plate, when the rotating plate overcomes the pulling of the elastic block and starts to expand the rotation diameter under the action of the rotational centrifugal force, when there is a carbon deposit layer on the inner wall of the throttle valve, the scraping cylinder roller contacts the carbon deposit layer and applies pressure to the carbon deposit layer through the action of centrifugal force, and uses the convex strips to clean the carbon deposit layer. After the carbon deposit layer is cleaned, the rotating plate continues to rotate along the axis of the rotating column to expand the rotation diameter. At this time, the scraping cylinder roller does not contact the inner wall of the throttle valve, and the arc brush plate starts to contact the inner wall, avoiding scraping the inner wall of the throttle valve after the carbon deposit layer of the throttle valve is cleaned, which causes serious wear of the inner wall of the throttle valve.

The invention is suitable for the technical field of electronic throttle valve plates, and particularly relates to an electronic throttle valve plate molded line optimization design method, device and equipment, and the method comprises the following steps: determining a curvature area to be optimized of a corresponding electronic throttle valve plate according to different working conditions of an engine; determining the incidence relation between the curvature parameters and the air flow parameters of the front and back sides of the electronic throttle valve sheet in the curvature area to be optimized; according to the first incidence relation and the second incidence relation, the curvature parameter of the to-be-optimized curvature area on the front face of the electronic throttle valve sheet is optimized; according to the third incidence relation and the fourth incidence relation, the curvature parameter of the to-be-optimized curvature area on the back face of the electronic throttle valve sheet is optimized; and according to the optimized curvature parameters of the front and back sides of the electronic throttle valve sheet, determining parameters of diversion trenches of the front and back sides of the electronic throttle valve sheet. Therefore, the method provided by the invention can solve the problems that the air inflow fluctuation is large when the opening degree of an existing electronic throttle valve sheet is small and the air flow is disordered when the opening degree is large.

1. Name of the designed product: electronic accelerator (for electric vehicles). 2. Use of the designed product: accelerator handle for motorcycles and electric vehicles. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

1. Name of the product in this design: Electronic throttle handle (FA85). 2. Intended use of this design: as an accessory for motorcycles, electric vehicles, and other vehicles. 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.