CN101148965B - Vehicle window drive clamping-proof control system - Google Patents
Vehicle window drive clamping-proof control system Download PDFInfo
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- CN101148965B CN101148965B CN200710144520XA CN200710144520A CN101148965B CN 101148965 B CN101148965 B CN 101148965B CN 200710144520X A CN200710144520X A CN 200710144520XA CN 200710144520 A CN200710144520 A CN 200710144520A CN 101148965 B CN101148965 B CN 101148965B
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Abstract
The present invention is squeeze preventing automobile window driving system and control method, and relates to squeeze preventing automobile window driving technology. The system includes one microprocessor circuit, one intelligent feedback power chip, one multiway switch detection interface circuit, one window top touch switch, one test switch, one window bottom touch switch, one window ascent switch and one window descent switch connected together. The control method includes the following steps: for the microprocessor circuit to detect braking current value for N times and normal resistance current value for N times and to store the calculated threshold value in a flash memory; to compare with the reference current value in the flash memory, and to rotate the motor inversely to execute the squeeze preventing function if the calculated threshold value is greater. The present invention has high antipinching precision and capacity of automatically updating threshold value with operation of the automobile window.
Description
Technical field
What the present invention relates to is the technical field that automotive window drives anti-pinch control.
Background technology
Existing automotive window drives anti-jamming device and mainly is divided into: infrared sensing formula, Current feedback, and described infrared sensing formula can't be applied because of its cost is too high; Though the Current feedback cost is low, but its anti-pinch precision is too low, obtaining reference current threshold value Imax is to carry out a large amount of test jobs, and each vehicle window is after installation, resistance suffered in rotation process has nothing in common with each other, fixing reference current threshold value Imax is inevitable to produce error for the bigger vehicle window environment of some resistance, makes a mistake to judge and cause vehicle window to close.In continuous variation along with aging, vehicle window motor suffered resistance in rotation process of the use of vehicle window, device, make resistance become big or diminish, and cause the reference current threshold value Imax that fixes to become inaccurate along with the use of system, finally cause and can't use.
Summary of the invention
The present invention is that existing infrared sensing formula automotive window driving anti-jamming device can't be applied because of its cost is too high and Current feedback automotive window driving anti-jamming device existence acquisition reference current threshold value Imax is the shortcoming that need carry out a large amount of test jobs in order to overcome; Solution is in the continuous variation along with aging, Car window electric machine suffered resistance in rotation process of the use of vehicle window, device, make resistance become big or diminish, become inaccurate along with the use of system and fixing reference current threshold value Imax takes place, finally cause the problem that to use.And then a kind of vehicle window drive clamping-proof control system proposed.
System of the present invention detects interface circuit 3, vehicle window top contact-making switch 4, Test Switchboard 5, vehicle window bottom contact-making switch 6 by current feedback smart power chip 1, micro-control processor circuit 2, variable connector, and vehicle window rising switch 7, vehicle window decline switch 8 are formed;
The just commentaries on classics control output end of just changeing control input end connection micro-control processor circuit 2 of current feedback smart power chip 1, the counter-rotating control input end of current feedback smart power chip 1 connects the counter-rotating control output end of micro-control processor circuit 2, the motor current signal output of current feedback smart power chip 1 connects the motor current signal input of micro-control processor circuit 2, the switching value data input bus end of micro-control processor circuit 2 connects the switching value data output bus end that variable connector detects interface circuit 3, variable connector detects the output of the first via switch interface end connection vehicle window top contact-making switch 4 of interface circuit 3, variable connector detects the output of the second way switch interface end connection Test Switchboard 5 of interface circuit 3, variable connector detects the output of the Third Road switch interface end connection vehicle window bottom contact-making switch 6 of interface circuit 3, variable connector detects the output of the four-way switch interface end connection vehicle window rising switch 7 of interface circuit 3, and variable connector detects the output of the 5th way switch interface end connection vehicle window decline switch 8 of interface circuit 3.
Anti-pinch precision height of the present invention, it can just can obtain reference current threshold value Imax in a spot of test and in the short time, it can adjust automatically and upgrade reference current threshold value Imax along with the continuous variation of aging, vehicle window motor suffered resistance in rotation process of the use of vehicle window, device, makes its can work steady in a long-term.It also has advantage cheap, simple in structure, easy to use.
Description of drawings
Fig. 1 is an integrated circuit structural representation of the present invention.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1, present embodiment detects interface circuit 3, vehicle window top contact-making switch 4, Test Switchboard 5, vehicle window bottom contact-making switch 6 by current feedback smart power chip 1, micro-control processor circuit 2, variable connector, and vehicle window rising switch 7, vehicle window decline switch 8 are formed;
The just commentaries on classics control output end of just changeing control input end connection micro-control processor circuit 2 of current feedback smart power chip 1, the counter-rotating control input end of current feedback smart power chip 1 connects the counter-rotating control output end of micro-control processor circuit 2, the motor current signal output of current feedback smart power chip 1 connects the motor current signal input of micro-control processor circuit 2, the switching value data input bus end of micro-control processor circuit 2 connects the switching value data output bus end that variable connector detects interface circuit 3, variable connector detects the output of the first via switch interface end connection vehicle window top contact-making switch 4 of interface circuit 3, variable connector detects the output of the second way switch interface end connection Test Switchboard 5 of interface circuit 3, variable connector detects the output of the Third Road switch interface end connection vehicle window bottom contact-making switch 6 of interface circuit 3, variable connector detects the output of the four-way switch interface end connection vehicle window rising switch 7 of interface circuit 3, and variable connector detects the output of the 5th way switch interface end connection vehicle window decline switch 8 of interface circuit 3.The just commentaries on classics of just changeing drive output connection motor 9 of current feedback smart power chip 1 drives input, and the counter-rotating that the counter-rotating drive output of current feedback smart power chip 1 connects motor 9 drives input, the earth terminal ground connection of motor 9.
The model that described current feedback smart power chip 1 is selected for use is MC33887, and the model that micro-control processor circuit 2 is selected for use is MC68HC908GZ16, and the model that variable connector detection interface circuit 3 is selected for use is MC33884.
The step of vehicle window drive clamping-proof control method of the present invention is:
Step 1, power up the startup whole system;
Step 2, micro-control processor circuit 2 detect interface circuit 3 by variable connector and judge whether Test Switchboard 5 is opened, and judged result then enters test mode for being, promptly operating procedure three, and judged result is for denying then direct operating procedure four;
Judge that vehicle window decline switch 8 is for connecting, judge again then whether vehicle window bottom contact-making switch 6 is connected, judge that vehicle window bottom contact-making switch 6 is for connecting, then micro-control processor circuit 2 continues standby, operating procedure nine, judge vehicle window bottom contact-making switch 6 for disconnecting, then micro-control processor circuit 2 makes vehicle window descend operating procedure nine by 9 counter-rotatings of current feedback smart power chip 1 control motor;
Judge that vehicle window rising switch 7 is for connecting, judge again then whether vehicle window top contact-making switch 4 is connected, judge that vehicle window top contact-making switch 4 is for connecting, then micro-control processor circuit 2 continues standby and operating procedure five, judge that vehicle window top contact-making switch 4 is for disconnecting, then micro-control processor circuit 2 is just changeing by current feedback smart power chip 1 control motor 9 vehicle window is risen, micro-control processor circuit 2 reads in the current feedback Value Data of current feedback smart power chip 1 simultaneously, compare with the reference current threshold value among the current flash, feedback current is then carried out pinch resistant functionality greater than reference current thresholding among the flash, be motor 9 counter-rotatings, operating procedure six;
Normal resistance current value I nom-when step 6, micro-control processor circuit 2 regularly measured vehicle window and risen, and averaged Inom_avg, its design formulas is: average current
Nom_test_flag=1, operating procedure seven;
Step 9, return operating procedure two.
Claims (1)
1. vehicle window drive clamping-proof control system, it detects interface circuit (3), vehicle window top contact-making switch (4), Test Switchboard (5), vehicle window bottom contact-making switch (6) by current feedback smart power chip (1), micro-control processor circuit (2), variable connector, and vehicle window rising switch (7), vehicle window decline switch (8) are formed;
It is characterized in that the just commentaries on classics control input end of current feedback smart power chip (1) connects the just commentaries on classics control output end of micro-control processor circuit (2), the counter-rotating control input end of current feedback smart power chip (1) connects the counter-rotating control output end of micro-control processor circuit (2), the motor current signal output of current feedback smart power chip (1) connects the motor current signal input of micro-control processor circuit (2), the switching value data input bus end of micro-control processor circuit (2) connects the switching value data output bus end that variable connector detects interface circuit (3), variable connector detects the output of the first via switch interface end connection vehicle window top contact-making switch (4) of interface circuit (3), variable connector detects the output of the second way switch interface end connection Test Switchboard (5) of interface circuit (3), variable connector detects the output of the Third Road switch interface end connection vehicle window bottom contact-making switch (6) of interface circuit (3), variable connector detects the output of the four-way switch interface end connection vehicle window rising switch (7) of interface circuit (3), and variable connector detects the output of the 5th way switch interface end connection vehicle window decline switch (8) of interface circuit (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710144520XA CN101148965B (en) | 2007-10-30 | 2007-10-30 | Vehicle window drive clamping-proof control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710144520XA CN101148965B (en) | 2007-10-30 | 2007-10-30 | Vehicle window drive clamping-proof control system |
Publications (2)
Publication Number | Publication Date |
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CN101148965A CN101148965A (en) | 2008-03-26 |
CN101148965B true CN101148965B (en) | 2011-09-14 |
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Application Number | Title | Priority Date | Filing Date |
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CN200710144520XA Expired - Fee Related CN101148965B (en) | 2007-10-30 | 2007-10-30 | Vehicle window drive clamping-proof control system |
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090120269A (en) * | 2008-05-19 | 2009-11-24 | 현대자동차주식회사 | Window glass driving device |
DE102008043483A1 (en) | 2008-11-05 | 2010-05-06 | Robert Bosch Gmbh | Method and device for activating monitoring by a anti-trap function in an electrical locking system |
DE102009008369A1 (en) * | 2009-02-11 | 2010-08-12 | Continental Automotive Gmbh | Method and apparatus for pulse width-modulated control of an electric drive motor of an adjustment |
CN102261210B (en) * | 2010-05-29 | 2013-10-30 | 比亚迪股份有限公司 | Anti-pinch control method for vehicle open-close body |
CN102267357A (en) * | 2010-06-03 | 2011-12-07 | 沈思杰 | Hand protection vehicle window and foot protection vehicle door |
CN102392576A (en) * | 2011-09-20 | 2012-03-28 | 河南天海科技有限公司 | Intelligent control method for automobile electric window |
CN102418449B (en) * | 2011-12-27 | 2014-04-02 | 昌辉汽车电气***(安徽)有限公司 | Anti-nip control method for automatically correcting electric window in use |
JP5940202B1 (en) * | 2015-08-06 | 2016-06-29 | オムロンオートモーティブエレクトロニクス株式会社 | Opening and closing body control device |
CN109532577B (en) * | 2018-12-24 | 2021-12-03 | 上海科世达-华阳汽车电器有限公司 | Anti-pinch method and device of electric seat and electric seat controller |
CN110074590B (en) * | 2019-03-06 | 2022-06-24 | 锐迈科技股份有限公司 | Anti-pinch electric headrest device and control method thereof |
CN110206437B (en) * | 2019-06-12 | 2020-09-29 | 北京经纬恒润科技有限公司 | Anti-pinch control method and device for vehicle body closing system |
CN110344657A (en) * | 2019-06-26 | 2019-10-18 | 广东汇泰龙科技股份有限公司 | A kind of control method and system of intelligent door lock slip lid finger |
CN111290297B (en) * | 2020-03-18 | 2023-07-28 | 科世达(上海)机电有限公司 | Car window lifting simulation test system |
CN111794622B (en) * | 2020-06-11 | 2024-08-23 | 上海实业交通电器有限公司 | Anti-pinch module for car window and mounting structure of anti-pinch module |
CN116065913A (en) * | 2021-10-29 | 2023-05-05 | 比亚迪股份有限公司 | Anti-pinch control system for car window and car |
CN114274899A (en) * | 2022-01-20 | 2022-04-05 | 吴汉林 | Direct current motor assembly and whole vehicle control system |
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2007
- 2007-10-30 CN CN200710144520XA patent/CN101148965B/en not_active Expired - Fee Related
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Granted publication date: 20110914 Termination date: 20131030 |