CN202850734U - Anti-pinch controller of car window - Google Patents
Anti-pinch controller of car window Download PDFInfo
- Publication number
- CN202850734U CN202850734U CN2012205179480U CN201220517948U CN202850734U CN 202850734 U CN202850734 U CN 202850734U CN 2012205179480 U CN2012205179480 U CN 2012205179480U CN 201220517948 U CN201220517948 U CN 201220517948U CN 202850734 U CN202850734 U CN 202850734U
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- car window
- chip microcomputer
- magnet ring
- electric system
- hall element
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Abstract
The utility model discloses an anti-pinch controller of a car window. The anti-pinch controller of the car window comprises a motor system, a Hall sensor, a single chip and a car window switch, the car window switch is connected with the single chip, an output end of the single chip is connected with the motor system installed on a car door through a motor driving circuit, the motor system is connected with a sampling circuit of an armature current and comprises a magnet ring, the Hall sensor is installed on the side face of the magnet ring of the motor system and right faces the magnet ring, the Hall sensor and the sampling circuit of the armature current are respectively connected with an input end of the single chip. The anti-pinch controller of the car window can judge the position of the car window and whether the car window comes across an obstacle or not, when a resisting force is over a fixed value, the car window stops rising and descends a section of travel, and the damage to the obstacle and the injury to passengers by pinch are prevented. The anti-pinch controller of the car window is suitable for various kinds of cars.
Description
Technical field
The utility model belongs to the Vehicle Electronic Control field, relates to a kind of automotive window clamp prevention controller.
Background technology
Enter 21 century, automobile industry has entered the gold period of a develop rapidly, and automobile has become the important vehicles of modern humans's life.The present automobile pollution of China surpasses 100,000,000, and with the speed increment above 15% every year.But along with popularizing of automobile, existing problem is also appeared in one's mind out gradually in the automobile use procedure, especially crushes passenger's problem in the power windows uphill process.At present, nearly all auto vendor all solves this problem at increase automotive window clamp prevention controller.
The automotive window clamp prevention controller is the pith of automotive window clamping-proof control system, is core control part, and its performance quality directly has influence on the control effect of a whole set of control system.Thereby to design and develop the good controller of complete function performance be one of key technology in the automotive window anti-clipping system development process, design and develop out the requirement that the good controller of complete function performance can satisfy the Vehicle Electronic Control equipment development, tool is of great significance.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is, a kind of general automotive window clamp prevention controller that can prevent from crushing the passenger in the vehicle window uphill process is provided.
In order to realize above-mentioned task, the utility model adopts following technical scheme to be achieved:
A kind of automotive window clamp prevention controller, comprise electric system, Hall element, single-chip microcomputer and car window switch, car window switch links to each other with single-chip microcomputer, the output of single-chip microcomputer links to each other with electric system on being installed in car door by motor-drive circuit, electric system links to each other with the armature supply sample circuit, described electric system comprises a magnet ring, the magnet ring side that Hall element is installed in electric system faces magnet ring, and Hall element links to each other with the input of single-chip microcomputer respectively with the armature supply sample circuit.
The utility model also has following technical characterstic:
Described single-chip microcomputer adopts the MC9S12DG128 single-chip microcomputer.
Described motor-drive circuit is H bridge drive circuit.
Described electric system comprises an output shaft, is installed in magnet ring and rotor on the output shaft, the magnetic pole N of rotor both sides, magnetic pole S and be installed in the magnetic brush of output shaft one end both sides.
Described Hall element adopts the A3187EU Hall element.
The utility model is judged the current position of automotive window by the signal that Hall element gathers, and can judge whether vehicle window runs into obstruction in uphill process according to the current signal of armature supply sample circuit collection, vehicle window stops to rise and the decline LAP when running into obstruction and resistance and reaching certain value, prevents the purpose damaging obstruction and crush the passenger thereby reach.
The utility model is easily debugged, can be expanded, and has EEPROM, is convenient to stores system parameters.The utility model reliability is high, has preferably Electro Magnetic Compatibility, can bear vibrations, noise, humidity, impact, greasy dirt, smog, dust simultaneously; The utility model is with low cost, and various devices and material that the utility model adopts are common type, all can buy on common market, and cost of manufacture is low, carries out industrialized mass production, and cost can be lower; The utility model integrated level is high, and the utility model has used appropriate integrated chip, has very high integration; The utility model versatility is good, and the utility model is applicable to various automobiles.
Description of drawings
Fig. 1 is that integrated connection of the present utility model concerns block diagram.
Fig. 2 is electric system circuit diagram of the present utility model.
Fig. 3 is H bridge drive circuit figure of the present utility model.
Fig. 4 is armature supply sample circuit figure of the present utility model.
Fig. 5 is workflow diagram of the present utility model.
The implication of each label is among the figure: 1-output shaft, 2-magnet ring, 3-Hall element, 4-rotor, 5-magnetic pole N, 6-magnetic pole S, 7-magnetic brush.
Below in conjunction with drawings and Examples particular content of the present utility model is described in more detail.
The specific embodiment
Below provide specific embodiment of the utility model, need to prove that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Defer to technique scheme, as attached illustrated in figures 1 and 2, a kind of automotive window clamp prevention controller, comprise electric system, Hall element, single-chip microcomputer and car window switch, car window switch links to each other with single-chip microcomputer, the output of single-chip microcomputer links to each other with electric system on being installed in car door by motor-drive circuit, electric system links to each other with the armature supply sample circuit, described electric system comprises a magnet ring, the magnet ring side that Hall element is installed in electric system faces magnet ring, and Hall element links to each other with the input of single-chip microcomputer respectively with the armature supply sample circuit.Described electric system comprises an output shaft 1, is installed in magnet ring 2 and rotor 4 on the output shaft, the magnetic pole N5 of rotor 4 both sides, magnetic pole S6 and be installed in the magnetic brush 7 of output shaft 1 one end both sides.
Single-chip microcomputer described in the utility model adopts the MC9S12DG128 single-chip microcomputer, and the MC9S12DG128 single-chip microcomputer is a kind of of 16 series monolithics of Motorola Inc., and this single-chip microcomputer has 512KFlash flash memory, 12K RAM and 4K EEPROM; 91 I/O pins; 88 road or 16 4 road PWM of standard; 28 tunnel 10 Precision A/D converters; 16 basic counters, 7 divide ratios; 8 input capture passages or output is passage relatively; 48 or 2 16 digit pulse counters; 2 asynchronous serial communication interfaces (SCI); 3 synchronous serial communication interfaces (SPI); 5 controller local area networks (CAN) module.
Electric system of the present utility model as shown in Figure 2, heeling-in magnet ring 2 in electric system, Hall element 3 induced fields of implanting in the electronic module by single-chip microcomputer, rotor rotates a week, to make Hall element 3 produce square-wave pulse signal, single-chip microcomputer utilizes the input capture function signal acquisition number of internal clocking module, thereby determines the position of automotive window.Above-mentioned Hall element 3 adopts the A3187EU Hall element, this sensor internal integrated schmidt trigger, and the pulse signal of output does not need extra shaping circuit, and output is directly linked the input of single-chip microcomputer.
Motor-drive circuit of the present utility model adopts H bridge drive circuit, H bridge drive circuit figure as shown in Figure 3, mainly contain 4 FETs and 4 voltage comparators compositions, this drive circuit can be realized the four quadrant running of motor easily, respectively corresponding motor forward, forward braking, counter-rotating, reverse rotating brake.4 FETs of H bridge drive circuit all are operated in the copped wave state.S1, S4 are one group, and S2, S3 are one group, and these two groups of states are complementary, and when one group of conducting, another group must be turn-offed.When S1, S4 conducting, S2, S3 turn-off, and the motor two ends add the forward or reverse braking that forward voltage is realized motor; When S2, S3 conducting, S1, S4 turn-off, and the motor two ends are backward voltage, motor reversal or forward braking.
The utility model judges whether run into obstruction in the automotive window uphill process by the current signal of armature supply sample circuit collection, in the vehicle window uphill process, run into obstruction moment motor shaft load torque can increase suddenly, therefore, the rate of change of motor shaft load torque is highstrung to obstruction, and its threshold value can be used as the judge index of detection of obstacles.Yet the motor shaft load torque is difficult for measuring, and according to the linear relationship between direct current generator load torque and its armature supply, the utility model adopts the armature supply sample circuit to judge whether run into obstruction in the vehicle window uphill process.Armature supply sample circuit figure as shown in Figure 4.
Workflow diagram of the present utility model as shown in Figure 5, at first initialize behind the controller access power supply, initialize complete, single-chip microcomputer is at first judged the state of car window switch, when car window switch is in Manual lifting, Manual descending and automatically descends three kinds of states, the motion state of vehicle window is respectively the rising of vehicle window crawl, the vehicle window crawl descends and vehicle window descends automatically, in these three kinds of situations, Hall element 3 is with the pulse signal input single-chip microcomputer that collects, and single-chip microcomputer is determined the vehicle window current location according to the pulse signal quantity that receives; When car window switch is in the automatic-ascending state, Hall element 3 is with the pulse signal input single-chip microcomputer that collects, single-chip microcomputer is determined the vehicle window current location according to the pulse signal quantity that receives, and then judge whether to enter the anti-pinch zone, the armature supply sample circuit is input to the armature current signal that collects the A/D ALT-CH alternate channel of single-chip microcomputer, single-chip microcomputer judges according to the size of current that collects whether vehicle window runs into obstruction in uphill process, single-chip microcomputer detects the armature size of current and whether rate of change surpasses the threshold value of setting, vehicle window stops to rise and the decline LAP when running into obstruction and resistance and reach setting threshold, prevents the purpose damaging obstruction and crush the passenger thereby reach.
Claims (5)
1. automotive window clamp prevention controller, comprise electric system, Hall element (3), single-chip microcomputer and car window switch, it is characterized in that, car window switch links to each other with single-chip microcomputer, the output of single-chip microcomputer links to each other with electric system on being installed in car door by motor-drive circuit, electric system links to each other with the armature supply sample circuit, described electric system comprises a magnet ring (2), magnet ring (2) side that Hall element (3) is installed in electric system faces magnet ring (2), and Hall element (3) links to each other with the input of single-chip microcomputer respectively with the armature supply sample circuit.
2. automotive window clamp prevention controller according to claim 1 is characterized in that, described single-chip microcomputer adopts the MC9S12DG128 single-chip microcomputer.
3. automotive window clamp prevention controller according to claim 1 is characterized in that, described motor-drive circuit is H bridge drive circuit.
4. automotive window clamp prevention controller according to claim 1, it is characterized in that, described electric system comprises an output shaft (1), be installed in magnet ring (2) and rotor (4) on the output shaft (1), the magnetic pole N(5 of rotor (4) both sides), magnetic pole S(6) and be installed in the magnetic brush (7) of output shaft (1) one end both sides.
5. automotive window clamp prevention controller according to claim 1 is characterized in that, described Hall element (3) adopts the A3187EU Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205179480U CN202850734U (en) | 2012-10-10 | 2012-10-10 | Anti-pinch controller of car window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205179480U CN202850734U (en) | 2012-10-10 | 2012-10-10 | Anti-pinch controller of car window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202850734U true CN202850734U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205179480U Expired - Fee Related CN202850734U (en) | 2012-10-10 | 2012-10-10 | Anti-pinch controller of car window |
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| CN (1) | CN202850734U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953253A (en) * | 2014-03-28 | 2014-07-30 | 安徽芜湖福安居实业有限公司 | Garage door and control method thereof |
| CN104533217A (en) * | 2014-11-28 | 2015-04-22 | 埃泰克汽车电子(芜湖)有限公司 | Automobile window control circuit |
| CN104975777A (en) * | 2014-04-02 | 2015-10-14 | 福特全球技术公司 | Vehicle Closure Member Power Actuator Control |
| CN106939751A (en) * | 2017-05-22 | 2017-07-11 | 杨燕 | Intelligent automatic control method |
| CN107083897A (en) * | 2017-05-22 | 2017-08-22 | 杨燕 | Power windows automatic closing system |
| CN107709687A (en) * | 2015-06-12 | 2018-02-16 | 株式会社美姿把 | Open/close device for vehicle |
| CN107842277A (en) * | 2017-10-31 | 2018-03-27 | 科世达（上海）管理有限公司 | A kind of electronic window control method and system |
| CN108427193A (en) * | 2017-02-14 | 2018-08-21 | 深圳梦境视觉智能科技有限公司 | Augmented reality display system |
| CN109017584A (en) * | 2018-08-14 | 2018-12-18 | 科世达（上海）管理有限公司 | A kind of control system of electronic side pedal |
| CN110552585A (en) * | 2018-05-30 | 2019-12-10 | 比亚迪股份有限公司 | Side door capable of being electrically stretched and retracted and vehicle with side door |
| CN110552577A (en) * | 2018-05-30 | 2019-12-10 | 比亚迪股份有限公司 | Electric telescopic vehicle door and vehicle with same |
| CN110656840A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Electric telescopic vehicle door and vehicle with same |
| CN111206838A (en) * | 2020-02-26 | 2020-05-29 | 马瑞利汽车电子(广州)有限公司 | Ripple anti-pinch position compensation method and device |
| CN114114991A (en) * | 2021-10-28 | 2022-03-01 | 日照先农氏物联网科技有限公司 | Control system of unmanned rice mill |
-
2012
- 2012-10-10 CN CN2012205179480U patent/CN202850734U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953253A (en) * | 2014-03-28 | 2014-07-30 | 安徽芜湖福安居实业有限公司 | Garage door and control method thereof |
| CN104975777A (en) * | 2014-04-02 | 2015-10-14 | 福特全球技术公司 | Vehicle Closure Member Power Actuator Control |
| US10415295B2 (en) | 2014-04-02 | 2019-09-17 | Ford Global Technologies, Llc | Vehicle closure member power actuator control |
| CN104533217A (en) * | 2014-11-28 | 2015-04-22 | 埃泰克汽车电子(芜湖)有限公司 | Automobile window control circuit |
| US11085227B2 (en) | 2015-06-12 | 2021-08-10 | Mitsuba Corporation | Vehicle opening and closing apparatus |
| CN107709687A (en) * | 2015-06-12 | 2018-02-16 | 株式会社美姿把 | Open/close device for vehicle |
| CN108427193A (en) * | 2017-02-14 | 2018-08-21 | 深圳梦境视觉智能科技有限公司 | Augmented reality display system |
| CN107675988A (en) * | 2017-05-22 | 2018-02-09 | 杨燕 | Intelligent automatic control method |
| CN106939751B (en) * | 2017-05-22 | 2018-03-13 | 罗普特（厦门）科技集团有限公司 | Intelligent automatic control method |
| CN107083897B (en) * | 2017-05-22 | 2018-03-02 | 蒙城信和汽车有限公司 | Power windows automatic closing system |
| CN107083897A (en) * | 2017-05-22 | 2017-08-22 | 杨燕 | Power windows automatic closing system |
| CN106939751A (en) * | 2017-05-22 | 2017-07-11 | 杨燕 | Intelligent automatic control method |
| CN107842277A (en) * | 2017-10-31 | 2018-03-27 | 科世达（上海）管理有限公司 | A kind of electronic window control method and system |
| CN110552585A (en) * | 2018-05-30 | 2019-12-10 | 比亚迪股份有限公司 | Side door capable of being electrically stretched and retracted and vehicle with side door |
| CN110552577A (en) * | 2018-05-30 | 2019-12-10 | 比亚迪股份有限公司 | Electric telescopic vehicle door and vehicle with same |
| CN110552585B (en) * | 2018-05-30 | 2021-11-12 | 比亚迪股份有限公司 | Side door capable of being electrically stretched and retracted and vehicle with side door |
| CN110656840A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Electric telescopic vehicle door and vehicle with same |
| CN109017584A (en) * | 2018-08-14 | 2018-12-18 | 科世达（上海）管理有限公司 | A kind of control system of electronic side pedal |
| CN111206838A (en) * | 2020-02-26 | 2020-05-29 | 马瑞利汽车电子(广州)有限公司 | Ripple anti-pinch position compensation method and device |
| CN114114991A (en) * | 2021-10-28 | 2022-03-01 | 日照先农氏物联网科技有限公司 | Control system of unmanned rice mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20131010 |