Self-adaptive anti-pinch electric window and anti-pinch control system

The adaptive anti-pinch power window system utilizes signal analysis from the anti-pinch sensor and ECU controller to achieve rapid anti-pinch response and wire retraction, solving the problems of slow response and easy tangling of traditional power windows, thus improving vehicle safety and reliability.

CN120968366APending Publication Date: 2025-11-18FULAM (CHANGZHOU) TRANSPORTATION TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202511302225.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

Traditional electric window anti-pinch systems are slow to respond and the sensor wires are prone to tangling or stretching, affecting reliability and lifespan.

Method used

The system employs an adaptive anti-pinch electric window system, which consists of an anti-pinch sensor composed of an installation strip, a sensor rubber sleeve, and a conductive strip. It analyzes signals by measuring changes in current and resistance, and combines this with the ECU controller to control the gear motor to reverse. It is equipped with an electric reel to automatically wind up the power cord and features a quick-release mechanism for easy maintenance.

Benefits of technology

It enables rapid anti-pinch response of the electric window, improves safety, ensures that the sensor harness is wound up synchronously without affecting the opening and closing of the window, and facilitates later maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120968366A_ABST
    Figure CN120968366A_ABST
Patent Text Reader

Abstract

The invention belongs to the technical field of electric windows and discloses a self-adaptive anti-pinch electric window which comprises a bottom plate, an open window is formed in the bottom plate and penetrates through the bottom plate, a window frame is fixedly connected to the upper end of the bottom plate, and a gear motor, an electric winding disc and an ECU controller are arranged on the left side of the interior of the window frame. The gear motor and the electric winding disc are both electrically connected with the ECU controller, a car window is slidably connected into the window frame, and a mounting strip is embedded into the side, close to the ECU controller, of the car window. The anti-pinch strip sensor is composed of the installation strip, the sensor rubber outer sleeve, the conductive strips and the electric wire, when the anti-pinch strip sensor is subjected to counter-acting force, the conductive strips in the anti-pinch sensor outer sleeve make contact with one another, current and resistance change is caused, input signals are analyzed through the ECU controller, the gear motor is promoted to rotate reversely, the anti-pinch effect is achieved, and the anti-pinch effect is achieved. The limbs of children or passengers are effectively prevented from being pinched, and the vehicle safety level is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metrological measuring devices, more particularly to a self-adaptive anti-pinch electric window and an anti-pinch control system. BACKGROUND

[0002] The anti-pinch electric window is a car window system with safety protection function, which can automatically stop and descend when detecting obstacles (such as hands, heads or other objects) during the rising process, so as to avoid pinching the passengers.

[0003] According to the search, in the authorized announcement No. CN103711401B, a kind of anti-pinch control method and system of automobile electric window are disclosed, the method includes the following steps: the value of the pressure sensor of the seat corresponding to electric window is detected, when the value of the pressure sensor exceeds threshold value, open the anti-pinch function of automobile electric window, determine that automobile electric window is in automatic closing process;The position of electric window is obtained by the number of Hall pulse;When the position of the electric window is in the anti-pinch area, infrared light is emitted, the intensity of infrared light is detected, if the intensity is lower than the emission intensity, it is determined that obstacles are encountered, and the motor is stopped.

[0004] However, the traditional electric window anti-pinch system mainly relies on the change of the pressure value of mechanical sensor to realize the anti-pinch function, and the reaction is slow, in addition, the wire of anti-pinch sensor is usually fixed in the window frame, and the wire is easy to wind or stretch when the window is raised, which affects the reliability and service life. Therefore, we propose a self-adaptive anti-pinch electric window. SUMMARY

[0005] In view of the problems existing in the prior art, the purpose of the present application is to provide a self-adaptive anti-pinch electric window, which can realize the rapid reaction of the anti-pinch of electric window, and has the function of synchronous winding of the sensor redundant wire harness.

[0006] To solve the above problems, the technical scheme adopted by the present application is as follows: The application discloses an adaptive anti-pinch electric window, which comprises a bottom plate, an opening window is formed in the inside of the bottom plate and penetrates through the bottom plate, a window frame is fixedly connected to the upper end of the bottom plate, a gear motor, an electric winding disc and an ECU controller are arranged on the inside left side of the window frame, the gear motor and the electric winding disc are electrically connected with the ECU controller, a car window is slidably connected to the inside of the window frame, a mounting strip is embedded in the inside of the side of the car window close to the ECU controller, a quick release mechanism is arranged between the mounting strip and the car window, a sensor rubber sleeve is fixedly connected to the front face of the mounting strip, a conductive strip is embedded in the inside of the sensor rubber sleeve, an electric wire is led out from the electric winding disc, the electric wire penetrates through the sensor rubber sleeve and extends to the inside of the sensor rubber sleeve, the electric wire is electrically connected with the conductive strip, and a reset stop mechanism is arranged on the bottom plate and located at the tail of the car window. The mounting strip, the sensor rubber sleeve, the conductive strip and the electric wire constitute an anti-pinch strip sensor, when the anti-pinch strip sensor is subjected to a reaction force, the conductive strips in the sensor rubber sleeve of the anti-pinch sensor are in contact with each other, the current and the resistance are changed, the input signal is analyzed by the ECU controller, the gear motor is reversed, and the anti-pinch effect is achieved.

[0007] As a preferred scheme of the application, a guide frame is fixedly connected to the inside top of the window frame, and the guide frame is located above the opening window; a slope is arranged at the bottom of the guide frame; a sliding seat is fixedly connected to the bottom of the car window; a slide rail is slidably sleeved to the outside of the lower end of the sliding seat and slidably connected to the inside of the window frame; a soft shaft is fixedly connected to the output end of the gear motor; the end of the soft shaft is fixedly connected with the slide rail; a shaft sleeve is fixedly connected to the bottom plate; and the soft shaft penetrates through the shaft sleeve and is slidably connected with the shaft sleeve.

[0008] As a preferred scheme of the application, a convex pin is fixedly connected to the inside bottom of the slide rail; the convex boss of the convex pin is slidably connected to the inside of the sliding seat; a spring one is sleeved to the outside of the pin body of the convex pin; one end of the spring one is fixedly connected with the bottom of the sliding seat; and the other end of the spring one is fixedly connected to the inside bottom of the slide rail.

[0009] As a preferred scheme of the application, the quick release mechanism comprises a locking pin slidably connected to the inside of the car window; the locking pin is inserted into the mounting strip; a lever is fixedly connected to the pin body of the locking pin; the lever is slidably connected with the car window; a guide column is fixedly connected to the inside of the car window; the guide column is slidably connected with the locking pin; a spring two is sleeved to the outside of the column body of the guide column; one end of the spring two is fixedly connected with the locking pin; and the other end of the spring two is fixedly connected to the inner surface of the car window.

[0010] As a preferred scheme of the present application, the end of the guide column inside the locking pin is integrally formed with a rubber knob, and the locking pin is provided with a circular groove inside.

[0011] As a preferred scheme of the present application, the reset stop mechanism comprises a fixed frame fixedly connected to the bottom plate, the fixed frame is S-shaped, a hollow sleeve is fixedly connected to the end of the fixed frame, a contact switch is arranged inside the hollow sleeve, the contact switch is electrically connected with an ECU controller, a pad is slidably connected inside the hollow sleeve, the pad is arranged through the hollow sleeve, one side of the pad abuts against the tail of the window, the other side of the pad abuts against the contact switch, a spring three is arranged inside the hollow sleeve, one end of the spring three is fixedly connected with the pad, and the other end of the spring three is fixedly connected to the inner surface of the hollow sleeve.

[0012] As a preferred scheme of the present application, the side edge of the pad is fixedly connected with a limiting block, the limiting block is slidably connected inside the hollow sleeve, and a ball is arranged on the limiting block and slidably connected with the inner wall of the hollow sleeve.

[0013] The anti-pinch control system is applied to the self-adaptive anti-pinch electric window, and comprises a control module, the control module comprises a motor drive module, an anti-pinch control algorithm module, a sensing feedback module, an encoder module, an adaptive learning module and a human-computer interaction module, the motor drive module and the anti-pinch control algorithm module are bidirectionally connected, the anti-pinch control algorithm module and the sensing feedback module are bidirectionally connected, the encoder module is unidirectionally connected with the control module, the adaptive learning module is unidirectionally connected with the anti-pinch control algorithm module, and the human-computer interaction module is unidirectionally connected with the sensing feedback module. The motor drive module comprises a PWM drive circuit and an overcurrent protection circuit, the PWM drive circuit is used for controlling the opening and closing of the gear motor, and the overcurrent protection circuit is used for rapidly shutting down at the hardware level. The anti-pinch control algorithm module comprises multi-sensor data fusion, and the sensor data fusion is used for comprehensively judging whether the anti-pinch is triggered. The sensing feedback module comprises a current and resistance change signal of the conductive strip, and the signal is used for controlling the forward and reverse rotation of the gear motor and the electric winding disc by the ECU controller. The encoder module comprises an initial calibration value, and the initial calibration value is used for learning the full-range resistance curve of the window during the first running. The adaptive learning module comprises dynamic compensation and fault self-diagnosis, the dynamic compensation is used for the hardness change of the sealing strip caused by temperature and the resistance increase caused by the aging of mechanical parts, and the fault self-diagnosis is used for recording abnormal events. The human-machine interface module includes a window control switch and status feedback. The window control switch is used for raising / lowering / automatic triggering of the window, and the status feedback is used to directly respond to LED indicator lights or sound prompts for anti-pinch events.

[0014] Compared with the prior art, the advantages of this invention are: (1) In this invention, the anti-pinch strip sensor is composed of an installation strip, a sensor rubber jacket, a conductive strip and a wire. When the anti-pinch strip sensor is subjected to a reaction force, the conductive strips inside the anti-pinch sensor jacket come into contact with each other, resulting in changes in current and resistance. The ECU controller analyzes the input signal and causes the gear motor to reverse, thus playing an anti-pinch role and effectively preventing children or passengers from being pinched, thereby improving the vehicle safety level.

[0015] (2) In this invention, by setting a matching electric winding reel on the base, the wires on the conductive strip are led out of the sensor rubber sleeve and connected to the electric winding reel. The electric winding reel is also controlled by the ECU controller. In this way, when the car window is opened and closed by the anti-pinch signal, the electric winding reel can automatically wind up the redundant part of the wires without affecting the opening and closing of the car window.

[0016] (3) By embedding the mounting strip of the anti-pinch sensor into the car window, and then setting a quick-release mechanism between the two, the locking pin can be inserted into the side of the mounting strip under the action of the spring, and then the locking pin and the mounting strip can be quickly disassembled and installed by controlling the engagement and disengagement of the mounting strip by the lever, which is convenient for later maintenance or replacement. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of local structure Figure 1 ; Figure 3 For the present invention Figure 1 Schematic diagram of local structure Figure 2 ; Figure 4 For the present invention Figure 1 Schematic diagram of local structure Figure 3 ; Figure 5 For the present invention Figure 1 Top-view sectional view of the car window; Figure 6 For the present invention Figure 5 Enlarged diagram of point A in the diagram; Figure 7 For the present invention Figure 4 Front sectional view of the slide rail in the middle; Figure 8 For the present inventionFigure 1 The front sectional view in the middle; Figure 9 For the present invention Figure 6 Enlarged diagram of point B in the image; Figure 10 For the present invention Figure 5 Side sectional view of the sensor's rubber casing; Figure 11 For the present invention Figure 1 The controller system module diagram.

[0018] Explanation of the labels in the diagram: 1. Base plate; 111. Window opening; 2. Window frame; 3. ECU controller; 4. Gear motor; 401. Flexible shaft; 402. Bushing; 5. Window; 6. Mounting strip; 61. Sensor rubber sleeve; 62. Conductive strip; 63. Wire; 7. Quick release mechanism; 8. Reset and stop mechanism; 9. Guide frame; 10. Slide rail; 11. Slide block; 101. Convex pin; 102. Spring 1; 12. Electric winding reel; 71. Locking pin; 72. 73. Toggle lever; 74. Guide post; 75. Rubber round head; 76. Spring II; 87. Fixing bracket; 88. Hollow sleeve; 89. Pad block; 80. Contact switch; 81. Spring III; 82. Limit block; 83. Ball bearing; 304. Control module; 305. Motor drive module; 306. Anti-pinch control algorithm module; 307. Sensor feedback module; 308. Encoder module; 309. Adaptive learning module; 3000. Human-machine interface module. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0020] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0022] Example 1: Please see Figures 1-10 An adaptive anti-pinch electric window includes a base plate 1. A window 111 is provided inside the base plate 1, and the window 111 penetrates the base plate 1. A window frame 2 is fixedly connected to the upper end of the base plate 1. A gear motor 4, an electric winding reel 12, and an ECU controller 3 are arranged on the left side inside the window frame 2. The gear motor 4 and the electric winding reel 12 are electrically connected to the ECU controller 3. A vehicle window 5 is slidably connected inside the window frame 2. An installation strip 6 is embedded inside the side of the vehicle window 5 closest to the ECU controller 3. A sensor rubber sleeve 61 is fixedly connected to the front of the installation strip 6. A conductive strip 62 is embedded inside the sensor rubber sleeve 61. A wire 63 extends from the electric winding reel 12, penetrates the sensor rubber sleeve 61, and extends to the inside of the sensor rubber sleeve 61. The wire 63 is electrically connected to the conductive strip 62.

[0023] Please see Figure 3 , Figure 4 , Figure 7 A guide frame 9 is fixedly connected to the top inner side of the window frame 2, and the guide frame 9 is located above the window 111. The bottom of the guide frame 9 is provided with an inclined surface. A slide block 11 is fixedly connected to the bottom of the window 5. A slide rail 10 is slidably sleeved on the lower end of the slide block 11, and the slide rail 10 is slidably connected to the inside of the window frame 2. A flexible shaft 401 is fixedly connected to the output end of the gear motor 4. The end of the flexible shaft 401 is fixedly connected to the slide rail 10. A bushing 402 is fixedly connected to the base plate 1. The flexible shaft 401 passes through the bushing 402 and is slidably connected to the bushing 402. A convex pin 101 is fixedly connected to the inner bottom of the slide rail 10. The protrusion of the convex pin 101 is slidably connected to the inside of the slide block 11. A spring 102 is sleeved on the outer side of the pin body of the convex pin 101. One end of the spring 102 is fixedly connected to the bottom of the slide block 11, and the other end of the spring 102 is fixedly connected to the inner bottom of the slide rail 10. The convex pin 101 and the spring 102 provide a telescopic and resetting function between the slide rail 10 and the slide block 11.

[0024] Please seeFigure 5 , Figure 6 A quick-release mechanism 7 is provided between the mounting strip 6 and the window 5. This mechanism facilitates quick removal and replacement of the mounting strip 6. The quick-release mechanism 7 includes a locking pin 71 slidably connected inside the window 5. The locking pin 71 is inserted into the mounting strip 6. A lever 72 is fixedly connected to the pin of the locking pin 71, and the lever 72 is slidably connected to the window 5. A guide post 73 is fixedly connected inside the window 5, and the guide post 73 is slidably connected to the locking pin 71. A second spring 74 is sleeved on the outer side of the guide post 73. One end of the second spring 74 is fixedly connected to the locking pin 71, and the other end is fixedly connected to the inner surface of the window 5. A rubber round head 731 is integrally formed at one end of the guide post 73 located inside the locking pin 71. A circular groove is formed inside the locking pin 71, and the rubber round head 731 is engaged within the groove. The rubber round head 731, in conjunction with the round groove of the locking pin 71, serves to fix the insertion position of the locking pin 71.

[0025] Please see Figure 8 , Figure 9 A reset stop mechanism 8 is provided on the base plate 1 at the rear of the window 5. The reset stop mechanism 8 is used to position the window 5 at its initial position and to position it to prevent pinching. The reset stop mechanism 8 includes a fixing frame 81 fixedly connected to the base plate 1. The fixing frame 81 is S-shaped. A hollow sleeve 82 is fixedly connected to the end of the fixing frame 81. A contact switch 84 is provided inside the hollow sleeve 82. The contact switch 84 is electrically connected to the ECU controller 3. A pad 83 is slidably connected inside the hollow sleeve 82. The pad 83 is set through the hollow sleeve 82. One side of the pad 83 abuts against the rear of the window 5, and the other side of the pad 83 abuts against the contact switch 84. A spring 85 is provided inside the hollow sleeve 82. One end of the spring 85 is fixedly connected to the pad 83, and the other end of the spring 85 is fixedly connected to the inner surface of the hollow sleeve 82. A limiting block 86 is fixedly connected to the side of the pad 83. The limiting block 86 is slidably connected to the inside of the hollow sleeve 82. A ball bearing 87 is provided on the limiting block 86, and the ball bearing 87 is slidably connected to the inner wall of the hollow sleeve 82. By setting the limiting block 86 and the ball bearing 87, the relative friction between the pad 83 and the hollow sleeve 82 can be reduced.

[0026] The specific implementation process of this invention is as follows: The lever 72 is moved by a needle-shaped tool, the lever 72 pushes the locking pin 71, causing it to slide inside the window 5 and compress the second spring 74. Then the mounting strip 6 is embedded into the window 5. Then the lever 72 is released, the locking pin 71 will be reset under the action of the second spring 74 and inserted into the mounting strip 6. Finally, the rubber round head 731 at the end of the guide post 73 is inserted into the round groove in the locking pin 71 to ensure that the locking pin 71 is inserted in place. Similarly, the above steps are reversed to complete the installation and removal of the mounting strip 6.

[0027] Example 2: Please see Figure 10 An anti-pinch control system includes a control module 31, which comprises a motor drive module 301, an anti-pinch control algorithm module 302, a sensor feedback module 303, an encoder module 304, an adaptive learning module 305, and a human-machine interface module 306. The motor drive module 301 and the anti-pinch control algorithm module 302 are bidirectionally connected, the anti-pinch control algorithm module 302 and the sensor feedback module 303 are bidirectionally connected, the encoder module 304 and the control module 31 are unidirectionally connected, the adaptive learning module 305 and the anti-pinch control algorithm module 302 are unidirectionally connected, and the human-machine interface module 306 and the sensor feedback module 303 are unidirectionally connected. The motor drive module 301 includes a PWM drive circuit and an overcurrent protection circuit. The PWM drive circuit is used to control the start and stop of the gear motor 4, and the overcurrent protection circuit is used for hardware-level fast shutdown. The anti-pinch control algorithm module 302 includes multi-sensor data fusion, which is used to comprehensively determine whether the anti-pinch function is triggered. The sensing feedback module 303 contains signals of changes in current and resistance of the conductive strip 62. These signals are used by the ECU controller 3 to control the forward and reverse rotation of the gear motor 4 and the electric winding reel 12. The encoder module 304 includes an initial calibration value, which can be used to learn the full resistance curve of the window 5 during the first run. The adaptive learning module 305 includes dynamic compensation and fault self-diagnosis. Dynamic compensation is used to address the changes in the hardness of the sealing strip caused by temperature and the increase in resistance caused by the aging of mechanical parts. Fault self-diagnosis is used to record abnormal events. The human-machine interface module 306 includes a control switch for the window 5 and status feedback. The control switch for the window 5 is used for raising / lowering / automatic triggering of the window 5, and the status feedback is used to directly respond to LED indicator lights or sound prompts for anti-pinch events.

[0028] The specific implementation process of this invention is as follows: The user triggers the command to raise the window 5 through the human-machine interface module 306. The ECU controller 3 starts the gear motor 4. The gear motor 4 drives the slide rail 10 through the flexible shaft 401, causing the window 5 to move along the window frame 2. Then, under the action of the inclined part of the guide frame 9, the slide rail 10 and the slide block 11 retract relative to each other. At this time, the window 5 moves down and blocks the window opening 111. Moreover, during the movement of the window 5, when the anti-pinch sensor is subjected to a reaction force, the conductive strip 62 inside the sensor rubber sleeve 61 of the anti-pinch sensor comes into contact with each other, resulting in current and resistance. The changes in the input signal are analyzed by the ECU controller 3, which causes the gear motor 4 to reverse, thus preventing pinching and effectively preventing children or passengers from being pinched, thereby improving the vehicle's safety level. The adaptive learning module 305 records the event. When the window 5 returns to its end, its tail end presses against the pad 83 of the reset stop mechanism 8. The pad 83 slides into the hollow sleeve 82, compressing the spring 85 and triggering the contact switch 84. The contact switch 84 sends a stop signal to the ECU controller 3, which immediately shuts off the gear motor 4, and the window 5 stops in the closed position.

[0029] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concept, should be covered within the scope of protection of the present invention.

Claims

1. An adaptive anti-pinch electric window, characterized in that: The system includes a base plate (1), which has an opening (111) inside, and the opening (111) is through the base plate (1). A window frame (2) is fixedly connected to the upper end of the base plate (1). A gear motor (4), an electric winding reel (12), and an ECU controller (3) are arranged on the left side inside the window frame (2). The gear motor (4) and the electric winding reel (12) are electrically connected to the ECU controller (3). A car window (5) is slidably connected inside the window frame (2). An installation strip (6) is embedded inside the side of the car window (5) near the ECU controller (3). A quick-release mechanism (7) is provided between the mounting strip (6) and the window (5). A sensor rubber sleeve (61) is fixedly connected to the front of the mounting strip (6). A conductive strip (62) is embedded inside the sensor rubber sleeve (61). A wire (63) is led out from the electric reel (12). The wire (63) passes through the sensor rubber sleeve (61) and extends to the inside of the sensor rubber sleeve (61). The wire (63) is electrically connected to the conductive strip (62). A reset stop mechanism (8) is provided on the base plate (1) and at the rear of the window (5).

2. The adaptive anti-pinch electric window according to claim 1, characterized in that: A guide frame (9) is fixedly connected to the top inner side of the window frame (2), and the guide frame (9) is located above the window opening (111). The bottom of the guide frame (9) is provided with an inclined surface. A slide block (11) is fixedly connected to the bottom of the window (5). A slide rail (10) is slidably sleeved on the lower end of the slide block (11), and the slide rail (10) is slidably connected to the inside of the window frame (2). A flexible shaft (401) is fixedly connected to the output end of the gear motor (4). The end of the flexible shaft (401) is fixedly connected to the slide rail (10). A bushing (402) is fixedly connected to the base plate (1). The flexible shaft (401) passes through the bushing (402) and is slidably connected to the bushing (402).

3. The adaptive anti-pinch electric window according to claim 2, characterized in that: A convex pin (101) is fixedly connected to the bottom inner side of the slide rail (10). The boss of the convex pin (101) is slidably connected to the inside of the slide block (11). A spring (102) is sleeved on the outside of the pin body of the convex pin (101). One end of the spring (102) is fixedly connected to the bottom of the slide block (11), and the other end of the spring (102) is fixedly connected to the bottom inner side of the slide rail (10).

4. The adaptive anti-pinch electric window according to claim 1, characterized in that: The quick-release mechanism (7) includes a locking pin (71) slidably connected to the inside of the window (5). The locking pin (71) is inserted into the mounting strip (6). A lever (72) is fixedly connected to the pin body of the locking pin (71). The lever (72) is slidably connected to the window (5). A guide post (73) is fixedly connected to the inside of the window (5). The guide post (73) is slidably connected to the locking pin (71). A second spring (74) is sleeved on the outside of the guide post (73). One end of the second spring (74) is fixedly connected to the locking pin (71), and the other end of the second spring (74) is fixedly connected to the inner surface of the window (5).

5. The adaptive anti-pinch electric window according to claim 4, characterized in that: The guide post (73) has a rubber round head (731) integrally formed at one end inside the locking pin (71). The locking pin (71) has a circular groove inside, and the rubber round head (731) is engaged in the circular groove.

6. The adaptive anti-pinch electric window according to claim 1, characterized in that: The reset stop mechanism (8) includes a fixed frame (81) fixedly connected to the base plate (1). The fixed frame (81) is S-shaped. A hollow sleeve (82) is fixedly connected to the end of the fixed frame (81). A contact switch (84) is provided inside the hollow sleeve (82). The contact switch (84) is electrically connected to the ECU controller (3). A pad (83) is slidably connected inside the hollow sleeve (82). The pad (83) is set through the hollow sleeve (82). One side of the pad (83) abuts against the rear of the window (5). The other side of the pad (83) abuts against the contact switch (84). A spring three (85) is provided inside the hollow sleeve (82). One end of the spring three (85) is fixedly connected to the pad (83). The other end of the spring three (85) is fixedly connected to the inner surface of the hollow sleeve (82).

7. An adaptive anti-pinch electric window according to claim 6, characterized in that: The side of the pad (83) is fixedly connected to a limiting block (86), which is slidably connected to the inside of the hollow sleeve (82). The limiting block (86) is provided with a ball (87), and the ball (87) is slidably connected to the inner wall of the hollow sleeve (82).

8. An anti-pinch control system, applied to an adaptive anti-pinch electric window as described in any one of claims 1-7, characterized in that: The system includes a control module (31), which comprises a motor drive module (301), an anti-pinch control algorithm module (302), a sensor feedback module (303), an encoder module (304), an adaptive learning module (305), and a human-machine interface module (306). The motor drive module (301) and the anti-pinch control algorithm module (302) are bidirectionally connected. The anti-pinch control algorithm module (302) and the sensor feedback module (303) are bidirectionally connected. The encoder module (304) and the control module (31) are unidirectionally connected. The adaptive learning module (305) and the anti-pinch control algorithm module (302) are unidirectionally connected. The human-machine interface module (306) and the sensor feedback module (303) are unidirectionally connected. The motor drive module (301) includes a PWM drive circuit and an overcurrent protection circuit. The PWM drive circuit is used to control the start and stop of the gear motor (4), and the overcurrent protection circuit is used for hardware-level fast shutdown. The anti-pinch control algorithm module (302) includes multi-sensor data fusion, which is used to comprehensively determine whether the anti-pinch function is triggered. The sensing feedback module (303) contains signals of changes in current and resistance of the conductive strip (62), which are used by the ECU controller (3) to control the forward and reverse rotation of the gear motor (4) and the electric reel (12); The encoder module (304) contains an initial calibration value, which can be used to learn the full resistance curve of the window (5) during the first run; The adaptive learning module (305) includes dynamic compensation and fault self-diagnosis. Dynamic compensation is used for changes in the hardness of the sealing strip caused by temperature and increases in resistance caused by aging of mechanical parts. Fault self-diagnosis is used to record abnormal events. The human-machine interface module (306) includes a control switch for the window (5) and status feedback. The control switch for the window (5) is used to raise / lower / automatically trigger the window (5). The status feedback is used to directly respond to LED indicator lights or sound prompts for anti-pinch events.

Citation Information

Patent Citations

  • Anti-pinch control method and system for automobile electric window

    CN103711401B