56results about How to "Realize anti-pinch function" patented technology

The invention discloses a single-motor-driven unlocking overturning and folding mechanism and application thereof. The single-motor-driven unlocking overturning and folding mechanism comprises a driving motor and an unlocking overturning and folding mechanism body. After the single-motor-driven unlocking overturning and folding mechanism is applied to a power seat, on the one hand, an angle adjusting device is driven to be unlocked; and on the other hand, a seat backrest is driven to be overturned, folded and unfolded. According to the single-motor-driven unlocking overturning and folding mechanism, through one motor and one set of mechanism, folding and unfolding of the backrest of the single-motor-driven unlocking overturning and folding mechanism are achieved, one-button-type adjustment is achieved through an intelligent adjusting control device, the structure is simple, neat and ingenious, the material using amount is reduced, the cost is reduced, and the boundary dimension of the mechanism is reduced.

The present invention discloses a CAN bus electrical control system for automobile windows. The control system comprises a power circuit (1), a CAN (controller area network) bus transceiver (2), a photocoupler (3), a microcontroller (4), a power drive circuit (6), a lifter switch interface circuit (7) and a signal processing circuit (8). The power circuit (1) comprises an accumulator cell and a voltage-stabilizing / isolated power supply. The microcontroller (4) comprises a peripheral interface controller (PIC) and a CAN bus controller. The power drive circuit (6) comprises a current sampling circuit (5). The current sampling circuit (5) is formed by connecting a current (Curr) end of the power drive circuit (6) with the RAO port of the microcontroller (4). The present invention can make wires by which five windows are connected in an automobile reduced to one fifth of the original wires. Meanwhile, the control device has a window anti-pinching function, people can not be pinched and hurt, and the safety properties of the automobile are improved.

The invention discloses a vehicle seat anti-clamping control method based on motor current ripple waves, and further discloses a controller used for achieving the vehicle seat anti-clamping control method based on the motor current ripple waves. The vehicle seat anti-clamping control method comprises the following steps that a current ripple wave signal of a seat motor is collected; the collectedcurrent ripple wave signal is calculated to obtain current position information and current operating state information of the seat motor; according to the current position information and the currentoperating state information of the seat motor, by combining with the operating state characteristics of the seat motor when a vehicle seat encounters an obstacle, whether the vehicle seat encountersthe obstacle or not is judged; and if it is judged that vehicle seat encounters the obstacle, the seat motor is controlled to stop rotating or reversely rotate. The anti-clamping function of the vehicle electric seat is achieved, the safety performance of the vehicle electric seat is improved, meanwhile, a hall sensor does not need to be additionally arranged, a connecting wire harness is omitted,and thus the manufacturing cost is effectively lowered.

The invention discloses an intelligent automobile seat with high adaptability. A cushion pressure sensor is used for detecting the pressure value of a passenger on the cushion to judge the body type of the passenger, and backrest side wings and cushion side wings are automatically controlled to rotate to a corresponding normal backrest side wing included angle preset value and a corresponding normal cushion side wing included angle preset value, so a backrest space between the two backrest side wings and a cushion space between the two cushion side wings are adapted to the body type of the passenger, a large seat sitting space is provided for the passenger with a tall size, and a small seat sitting space is provided for the passenger with a thin size, thereby the automobile seat can automatically provide proper seat sitting spaces for passengers with different sizes under the condition that the seat does not need to be replaced, the sitting comfort of the passengers is improved, and the automobile seat has high adaptability. Moreover, when the automobile is subjected to side collision, the backrest side wings and the cushion side wings are controlled, so injuries to passengers in the side collision of the automobile can be reduced, and the safety is improved.

The invention provides an anti-clamping method and device for an electric seat of a car. The anti-clamping method comprises the following steps: judging whether the operation of a seat motor is stable; if the operation of the seat motor is stable, judging whether the difference between the real-time operation speed of the seat motor and the anti-clamping reference speed is greater than a preset speed difference in real time in the operation process of the seat motor; when the difference is greater than the preset speed difference, generating and outputting an anti-clamping control signal to the seat motor. The anti-clamping method and device provided by the invention have the advantage that the anti-clamping function in the movement process of the electric seat is realized.

An anti-pinch control method for an electric sunroof comprises controlling the closure of the sunroof when an instruction of closing the sunroof is received; calculating an average torque value when the sunroof runs in a stable area; calculating a load torque T currently outputted by a motor when the sunroof runs in an air-guiding plate area, determining a current stroke N0 when the sunroof is in the air-guiding plate area, and obtaining a value inquired from a set reference array, wherein delta T = T - T1, and controlling the sunroof to open when delta T < nabla T[N0]*P, controlling the sunroof to close when delta T > nabla T[N0]*P, controlling the sunroof to open when delta T > nabla T[N0]+K and controlling the sunroof to close when delta T < nabla T[N0]+K. By using the above-mentioned scheme, the anti-pinch control method for the electric sunroof provided in the invention improves the stability of anti-pinch judgment.

The invention discloses a vehicle window anti-pinch system. A vehicle window motor for rising and falling is arranged on each vehicle window of a vehicle. The vehicle window motors are DC motors. Driving circuits of the vehicle window motors are all connected with the vehicle window control signal output pin of a BMC. The vehicle window control input pin of the BMC is connected with a vehicle window control button. The vehicle window motors are each provided with a motor corrugation sampling circuit. The output ends of the motor corrugation sampling circuits are connected with the BMC. The limit on the motors is greatly reduced, no special customized motor is needed, through the calibrating test on an ordinary vehicle window motor, the vehicle window anti-pinch function can be achieved, the vehicle window functions can be enhanced, and the use comfort can be improved.

The invention relates to an automatic overturning device. The automatic overturning device comprises a shell formed by connecting a base and a cover, wherein the shell is internally provided with a driving mechanism and a rotary shaft; the driving mechanism and the rotary shaft are connected with each other by a connection shaft sleeve; the tail end of the rotary shaft is sleeved with a connection piece for mounting an overturning piece; the rotary shaft is further provided with a bearing and a fixed shaft sleeve; the fixed shaft sleeve is internally provided with a torsion spring; the driving mechanism is further connected with a control system. The automatic overturning device is reasonable in structural design and low in cost; the driving mechanism drives the rotary shaft to rotate and the rotary shaft can rotate stably to drive the connection piece and the rotary piece to overturn so as to automatically open or close the overturning piece; the transmission is very stable and noises are very low; when the driving mechanism is abnormal and does not work or when the overturning piece is closed to meet a counter force or when any one torsion spring loses efficacy, the device can prevent accidents by automatically adopting corresponding measures, so that the use safety performance of the device is greatly improved, and the market competitiveness and the brand image of enterprises are also greatly improved.

The invention provides a passenger car electromotive pump device and a passenger car. An anti-pinch protective current is preset or adjusted through parameters output by debugging equipment, so that the adjustment of an anti-pinch function is achieved; a motor running end angle is preset or adjusted through the parameters output by the debugging equipment, so that the adjustment of opening and closing stroke of a passenger car is achieved; the debugging equipment is arranged outside the passenger car electromotive pump device, so that the anti-pinch function of the passenger car electromotive pump device and the adjustment operation of the opening and closing stroke of the passenger car are easy to achieve.

The invention discloses an automobile skylight with an anti-pinching function. The automobile skylight comprises a U-shaped supporting frame matched with the top part of an automobile, wherein the U-shaped supporting frame is provided with a glass bracket, a driving device for driving the glass bracket to move horizontally and a motor; a motor speed reducer is arranged at the output end of the motor; an anti-pinching mechanical part is arranged between the motor speed reducer and the driving device and comprises a racket wheel shaft and a shell for protecting the racket wheel shaft; free rotation can be realized between the racket wheel shaft and the shell; an upper racket wheel and a lower racket wheel are sheathed in the middle part of the racket wheel shaft and are meshed each other; the lower racket wheel rotates along with the shell, the upper racket wheel rotates along with the racket wheel shaft; and a compression spring for transferring load is arranged between shaft shoulders of the upper racket wheel and the racket wheel shaft. The automobile skylight disclosed by the invention has the advantages that by adoption of the racket wheel structure, the skylight can disengage from teeth and stop transferring power when an obstacle is met in the closing process, so that the anti-pinching function is realized; and the structure is higher in stability in the anti-pinching aspect of the skylight, is long in service life, easy in implementation of structure composition and low in cost.

The invention discloses an automatic door control and anti-pinch system based on binocular stereoscopic vision and a method thereof. The system comprises a control device, a power assembly, a human body detection module, a door state detection module, and an image collection device, wherein the power assembly, the human body detection module, the door state detection module and the image collection device are connected with the control device. The image collection device obtains image and video data of a glass door area; the human body detection module performs semi-global stereo matching andfeature extraction on left and right images acquired by a camera by using a neural network so as to detect a human body; the door state detection module processes acquired videos and images to obtainobstacle detection and automatic door state recognition results; the control device is connected with a motor device through a control wire; and the control device sends out a correct instruction according to detection information of the human body detection module and the door state detection module to control the power assembly to drive a glass door to move to achieve anti-pinch. According to the automatic door control and anti-pinch system based on the binocular stereoscopic vision and the method thereof, a binocular stereo vision technology is adopted, and due to the characteristics of non-contact, passivity, high accuracy and good real-time performance of the binocular stereo vision technology, the binocular stereo vision technology is very suitable for human body detection and speedand distance measurement application in the automatic door opening and closing process.

The invention provides a window anti-pinch system and method, and relates to the technical field of window anti-pinch. The window anti-pinch system comprises a Hall sensor, a controller, a first control module and a second control module, wherein the Hall sensor is used for generating a Hall pulse signal in the moving process of a window driving motor; the controller comprises a data receiving module used for receiving the Hall pulse signal in real time after receiving an external window closing instruction; the first control module is used for processing according to the Hall pulse signal toobtain the real-time position of the window glass and generating an anti-pinch control signal when the real-time position is in a preset anti-pinch area; and the second control module is used for acquiring a real-time Hall period of the Hall pulse signal according to the anti-pinch control signal, and generating a corresponding anti-pinch control instruction when the real-time Hall period is greater than an anti-pinch period threshold value obtained through adaptive updating, so that the window glass is controlled to stop closing through the window driving motor, and the window anti-pinch function is realized. The window anti-pinch system has the beneficial effects that the window anti-pinch system can adapt to different environment changes and aging of parts, and the reliability of the anti-pinch function is effectively improved.

The invention relates to an anti-pinch sealing strip of an automobile. The anti-pinch sealing strip is provided with an anti-pinch strip body, a sensing bunch, a bunch snap joint and a bunch plug connector. The anti-pinch strip body is provided with a bubble pipe, a locking part, a fixed rack, a wire slot and a sealing strip. The inner part of the bubble pipe is a round cavity and is provided witha first electric conductor, a second electric conductor and an isolating layer; the first electric conductor is of a hollow ring shape and the outer wall of the first electric conductor is fixed to the inner wall of the bubble pipe, a first wire is arranged on the wall of the first electric conductor, and a second electric conductor is located in a cavity of the first electric conductor and is provided with a second wire; when the anti-pinch strip body is pressed, conduction of inner wires is achieved and resistors are connected in parallel. A current changes along with change of a resistancevalue of a loop, and a changing signal is transferred to an ECU of a system, so that an anti-pinch function is achieved. The anti-pinch sealing strip of the automobile has the advantages that when people or an object is pinched, the anti-pinch sealing strip can be triggered sensitively, the triggering angle can reach 360 degrees, and the anti-pinch sealing strip is good in safety performance andsealing property and stable to mount and stores the wires conveniently.

The present invention discloses an electric sofa anti-clamping method based on an electric curve. The method comprises the following steps: obtaining original current waveform data of a motor of an electric sofa; extracting a current characteristic current waveform via current calculation, differential current calculation or integral current calculation according to the original current waveform data; matching the current characteristic current waveform with a standard library current waveform according to a similarity calculation formula, and selecting a differential current standard waveformand an integral current standard waveform; calculating the waveform difference value between the current characteristic current waveform and the standard library current waveform and the waveform difference value between the differential current standard waveform and the integral current standard waveform via a difference formula according to local curve fitting; and when the waveform differencevalue(s) are greater than a threshold, sending alarm information. The electric sofa anti-clamping method based on the electric curve can effectively realize the anti-clamping function of the electricsofa.

The invention discloses an anti-pinch device for electric sofas based on an electrical curve, which comprises a control component and a motor. The control component obtains the original current waveform data of the motor of an electric sofa; the control component extracts the current characteristic current waveform through current calculation, differential current calculation or integral current calculation according to the original current waveform data; the control component matches the current characteristic current waveform with current waveforms in a standard library according to a similarity calculation formula, and selects a differential current standard waveform and an integral current standard waveform; and the control component calculates the waveform difference values between the current characteristic current waveform and the current waveforms in the standard library and between the differential current standard waveform and the integral current standard waveform through adifference formula according to local curve fitting, wherein the control component sends out alarm information to the motor when the waveform difference values are greater than a threshold. The anti-pinch device for electric sofas based on an electrical curve disclosed by the invention realizes the anti-pinch function of electrical sofas.

The invention discloses a car window anti-pitch self-inspection control system and method. The method comprises the steps that the car window displacement height is measured by adopting a hall pulse counting method and combining with a current ripple pulse measuring method, an infrared sensor measuring displacement method and a multi-channel mutual compensation method; according to the more accurate car window displacement data after comprehensive correction, the basis for judging whether the car window enters the anti-pitch area or not and whether the car window rises to the top or not afteran engine is turned off is obtained; and combined with infrared detection and speech recognition, anti-pitch warning is achieved in advance, and after the engine is turned off, whether the car windowis closed or not is checked according to the current reserved window displacement information.

The invention discloses a car window control device. An infrared grating sensor and a radar sensor are arranged in a target area around a car window, so when a user approaches the car window and blocks infrared gratings and / or blocks emitted waves of the radar sensor, detection signals of the infrared grating sensor and / or detection signals of the radar sensor are anti-pinch signals at the time, acontrol unit controls a motor to rotate reversely so as to control the car window to fall, the car window is prevented from continuing to rise, and the anti-pinch function is achieved. Thus, with thescheme, the anti-pinch function can be achieved as long as the user approaches the car window and blocks the infrared grating sensor and / or the radar sensor, and the safety of the anti-pinch functionis high; and besides, two anti-pinch strategies are adopted to realize the anti-pinch function of the scheme, the reliability of the anti-pinch function is high, the error rate of anti-pinch operation of the car window is reduced, and the user is prevented from being pinched. Moreover, the invention further discloses the car window and a car.

The invention discloses an anti-pinch lifting circuit and a lifting device, the anti-pinch lifting circuit comprises a lifting circuit body, the lifting circuit body comprises two relays and a motor,forward rotation or reverse rotation of the motor is controlled through the two relays to achieve ascending or descending, and the anti-pinch lifting circuit is characterized by further comprising ananti-pinch circuit, the anti-pinch circuit comprises a conduction circuit, an interlocking circuit and a backup interlocking circuit. The conduction circuit is used for guaranteeing normal operation of the motor when no resistance occurs in the operation process, the interlocking circuit is used for enabling the motor to stop rotating and move reversely when resistance occurs in the operation process, and the backup interlocking circuit is the same as the interlocking circuit in structure and used for guaranteeing the anti-pinch function of the anti-pinch circuit when devices in the interlocking circuit fail. According to the circuit scheme, anti-pinch protection is achieved through pure hardware, the moving part can stop moving and retreat before being pinched, the structure is simple, and safety and reliability are achieved.

The invention discloses a cam type glass ascending and descending device. The cam type glass ascending and descending device comprises a power gear and a glass clamp. One side of the power gear is connected with a piston rod of a cylinder through a crankshaft connecting rod structure. A cam device is fixed above the power gear and rotates with the power gear. The cam device is a cylindrical rod body. A curve groove is formed above the cylindrical rod body, or a component of a curved groove is formed above the cylindrical rod body. The glass clamp is fixed to a roller embedded in the curved groove. The roller is arranged in the curved groove in a rolling mode. The curved groove is symmetrically arranged according to the center line of the cylindrical rod body. The vertical height of the curved groove is distributed on the cylindrical rod body according to a clockwise random variable function. According to the cam type glass ascending and descending device, power of the glass ascending and descending device is provided by using a cylindrical cam; and because the curved groove is matched with the inclination angle of glass, in the ascending and descending process, the relative position between the center of gravity of the glass clamp and the center of mass of the glass is unchanged all the time, the movement stability is improved, and the generation of inclination or clamping during ascending and descending of the glass is avoided.

The invention discloses a control system for an anti-pinch sunroof. The control system comprises a power source, a switch, a controller, a relay and a motor, wherein the switch is connected with the power source, the controller and the relay; the relay is connected with the controller and the motor; and the controller comprises an automobile computer ECU and a radar receiver, wherein the radar receiver is connected with a plurality of radars. According to the control system disclosed by the invention, through the adoption of a radar detecting technology, the anti-pinch function of the sunroof is realized, so that the problem that during closing, the sunroof easily pinches a human body is solved; detection can be realized by the radars without using physical members, so that the problem that in the prior art, the sunroof is returned after pinching accidents occur, and personal injury still exists is solved, and the anti-pinch effect without contact is achieved.

The invention discloses an automatic online full-detection method for a glass lifter. The method comprises that an oscilloscope tests current change with time of the glass lifter in a single elevation stroke, and a curve map is drafted; oscilloscope cursors are set to divide the curve map into multiple continuous first intervals, n continuous first intervals are combined to form second intervals, and n represents an integer; the minimum of the valley within the first interval is taken, and compared with all maximums and minimums within the second interval to obtain a comparative value; and the average frequency change rate in the first interval is taken, all the first intervals within each second interval are compared to obtain the maximum, and all the second intervals are compared to obtain the maximum. According to the method, the valley difference and waveform frequency change rate in the current detection period are detected to reflect the waveform stable degree when the glass lifter is driven to rise and fall, the requirement for whole-vehicle BCM waveform detection are met, the quality of the glass lifter is guaranteed, and a clamp proof function of a vehicle window is realized.

The invention discloses a multifunctional mutual inductance type power window anti-pinch controller and a control method, wherein the multifunctional mutual inductance type power window anti-pinch controller comprises a control circuit and an armature BEM signal transformer T1; the control circuit comprises a main control chip U1; the armature BEM signal transformer T1 comprises a primary windingand a secondary winding; one end of the primary winding and one end of the secondary winding are grounded at the same time; the other end of the primary winding is used to be connected with a BEM ripple signal; and the other end of the secondary winding is electrically connected with one end of the main control chip U1. The multifunctional mutual inductance type power window anti-pinch controllerdisclosed by the invention uses the armature BEM signal transformer T1 to sample the BEM ripple signal when a window motor M is rotating; the main control chip U1 is used to monitor the pulse width change condition of the BEM signal of the motor, thereby accurately determining whether the power window is pinching an object or not during a rising process, and controlling the window motor M in timewhen meeting an obstacle so to prevent an object or a human body from being pinched, thereby realizing the anti-pinch function of the power window.

The invention belongs to the field of automobile sunroofs, and in particular relates to a safety type sunroof mechanism for automobiles, which includes a mounting plate, an electric drive module, a skylight glass, a sliding pin B and a sliding pin A, etc., wherein the mounting plate is installed on the top of the compartment; In the closed state of the glass, the four limit rods in the present invention respectively form a limit to two slide pins A and two slide pins B, so that the slide pin A at the bottom of the guide groove A and the slide pin at the bottom of the guide groove B The pin B will not shake up and down relative to the guide groove A and the guide groove B during the bumpy driving of the vehicle, and will remain stationary, so that the sliding pin A and the sliding pin B continue to maintain contact with the sunroof glass through the connecting plate and the L plate A respectively. Pull down to ensure that the sunroof glass still maintains a sealing fit with the gasket in the sealing groove on the sunroof during the bumping process of the vehicle.

The invention relates to a sensitively-triggered automobile anti-clamping strip. The sensitively-triggered automobile anti-clamping strip is provided with an anti-clamping strip body, a sensing bunched wire, a bunched wire buckle, and a bunched wire connector clip, wherein the anti-clamping strip body is provided with a bubble tube, a clamping part, a fixed rack, a wiring trough and a sealing strip; a first electric conductor, a second electric conductor, a third electric conductor and a fourth electric conductor are equidistantly arranged on the inner wall of the bubble tube in the circumferential direction; when the anti-clamping strip body is pressed, the turnon and resistance parallel connection of internal circuits are realized; the change of electric currents is caused through the change of the resistance value of the loop resistance; and a changed signal is transmitted to an ECU (Electronic Control Unit) of the system to achieve the anti-clamping function. The trigger angle of the sensitively-triggered automobile anti-clamping strip reaches 360 degrees; the sensitivity and safety of the sensitively-triggered automobile anti-clamping strip are significantly improved; and thesensitively-triggered automobile anti-clamping strip has strong safety and a good sealing property, is stale in installation and is convenient for wire storage.

The invention discloses an explosion-proof centrifuge which is beneficial to improve work safety, comprising a sheet metal casing and a box cover, an upper cover driving module is arranged between the sheet metal casing and the box cover, and the upper cover The drive module includes a potentiometer-type electric push rod, and the box cover is connected with the top side of the sheet metal casing through a link, and the output top of the potentiometer-type electric push rod is connected to the box through a flexible connection. The inner bottom end of the cover forms a hinge connection. Beneficial effects: Note that the output end of the explosion-proof motor passes through the setting plate and the bottom of the protective cover and extends into the protective cover. The vibration generated when the explosion-proof motor is working is damped by the set spring, and the explosion-proof motor and the setting plate are connected by the spring For setting, the number of springs is set to several.

The invention discloses a cam-type glass lifter, which includes a power gear and a glass clamp, one side of the power gear is connected to the piston rod of the cylinder through a crankshaft connecting rod structure; a cam device is fixed above the power gear, and the cam device rotates with the power gear ; The cam device is a cylindrical rod with a curved groove above the cylindrical rod or a component that makes a curved groove above the cylindrical rod; the glass clip is fixed on the roller embedded in the curved groove through the connecting rod, The rollers roll and are arranged in the curved groove; the curved groove is arranged symmetrically according to the center line of the cylindrical rod body, and the vertical height of the curved groove is distributed on the cylindrical rod body clockwise as a random variable function. The invention uses cylindrical cams to provide the power of the glass lifter, and utilizes the curve grooves and glass inclination angles to cooperate. During the lifting process, the relative position between the center of gravity of the glass clamp and the glass center of mass remains unchanged, improving the stability of the movement and avoiding the lifting of the glass Occurs when tilted or stuck.

The invention discloses an anti-clamping mechanism of a TMR magneto-resistance sensor, which comprises an anti-clamping system, wherein the anti-clamping system comprises an isolation shaping circuit,a display circuit, an alarm circuit and a single-chip computer, a signal input port of the single-chip computer is connected with a TMR rotating speed sensor, a TMR current sensor and an infrared scanning inductor, a signal output port of the single-chip computer is connected with a relay, a signal output port of the relay is connected with a motor, the motor comprises a rotor, the motor is fixedly arranged on a side wall of a top end of a door frame through a mounting plate, the motor is connected with a rotating roller, the other end of the rotating roller is rotatably connected with the side wall of the top end of the door frame, an anti-theft rolling door is wound on the rotating roller, and a buffer plate is horizontally and fixedly arranged on the bottom end surface of the anti-theft rolling door. The mechanism uses a mode of outputting pulse counting by using the TMR magneto-resistance sensor, the combination of detecting the rotating speed of the motor and detecting the current change condition of the motor is achieved, and the anti-clamping function is achieved.

The invention discloses a bus window system with the anti-pinch function. The system comprises an MCU module, a motor driving circuit, a motor current detection circuit, a switch control circuit, a signal processing circuit, a motor unit, a glass moving mechanism, a bus window, a raindrop sensor and a photoelectric sensor; the motor unit is connected with a bus window through the glass moving mechanism; the photoelectric sensor and the raindrop sensor are connected with the MCU module; the MCU module, the signal processing circuit, the switch control circuit and the motor unit are connected insequence; the motor current detection circuit is connected with the MCU module; and the MCU module is connected with the motor unit through the motor driving circuit.

The invention discloses a window anti-pinch system. Each window on the vehicle is equipped with a window motor for lifting and lowering. The window motor is a DC motor, and the driving circuit of the window motor is a BMC window motor. The control signal output pin is connected, the window control input pin of the BMC is connected with the window control button, the window motor is provided with a motor ripple sampling circuit, and the output end of the motor ripple sampling circuit is connected to the BMC . The present invention greatly reduces the restriction on the motor, does not need to customize the motor, and can realize the anti-pinch function of the window through the calibration test on the common window motor, and can enhance the function of the window and improve the comfort of use.

The invention provides an anti-trap method and device for an electric car seat. The anti-pinch method for an electric car seat includes: judging whether the seat motor is running stably; if the seat motor is running stably, during the operation of the seat motor, It is judged in real time whether the difference between the real-time running speed of the seat motor and the anti-trap reference speed is greater than the preset speed difference; when the difference is greater than the preset speed difference, an anti-trap control signal is generated and output to the seat motor. The anti-trapping method and device of the automobile electric seat provided by the invention realizes the anti-pinch function of the electric seat during the action.