CN201100061Y - Automobile electric window clamping-proof device - Google Patents
Automobile electric window clamping-proof device Download PDFInfo
- Publication number
- CN201100061Y CN201100061Y CNU2007201152276U CN200720115227U CN201100061Y CN 201100061 Y CN201100061 Y CN 201100061Y CN U2007201152276 U CNU2007201152276 U CN U2007201152276U CN 200720115227 U CN200720115227 U CN 200720115227U CN 201100061 Y CN201100061 Y CN 201100061Y
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- CN
- China
- Prior art keywords
- circuit
- lifter
- glass
- vehicle window
- steel tendon
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
An anti-entrapping device for power windows of a car comprises a fixed mount of a lifting guide shaft of car window glass, a fixed block of car window glass and a steel tendon driving mechanism, wherein the steel tendon driving mechanism is drove by an elevator motor, the fixed block moves from up to end along the fixed mount of the glass lifting guide shaft of car window glass by driving of the steel tendon driving mechanism, a permanent magnet is arranged on the fixed block, further an electromagnetic transducer at the end portion of an elevator device and an electromagnetic transducer at the middle portion of the elevator device are arranged on the fixed block of the window glass lifting guide shaft, the permanent magnet is arranged between the electromagnetic transducer at the end portion of the elevator device and the electromagnetic transducer in the middle portion of the elevator device, further the elevator motor, the electromagnetic transducer at the end portion of the elevator device and the electromagnetic transducer in the middle portion of the elevator device are separately connected with a microcontroller, the signal received by the electromagnetic transducer at the end portion of the elevator device and the electromagnetic transducer in the middle portion of the elevator device can be processed by a control circuit of the microcontroller, and the treated signal can control the operating state of the elevator motor and the steel tendon driving mechanism by a drive circuit of the elevator motor.
Description
Technical field
The utility model relates to a kind of automobile electric car-window anti-jamming device, relates in particular to the control device of the anti-pinch of power windows in uphill process.
Background technology
The automobile electric car-window lifting gear, the glass for vehicle window fixed block and the steel tendon transmission mechanism that mainly comprise lifting glass for vehicle window guide shaft fixed mount, installation glass for vehicle window, the steel tendon transmission mechanism is driven by lifting motor, and the steel tendon transmission mechanism drives the glass for vehicle window fixed block by upper end steel tendon and lower end steel tendon and moves up and down the drive lifting glass for vehicle window along lifting glass for vehicle window guide shaft fixed mount.
Automatic rising anti-pinch control to automobile electric car-window at present has three kinds of modes: first kind is adopted the pulse of output two-way Hall element in the computing motor to control anti-pinching car window.Power windows glass control module receives the control signal of remote control switch or communication bus, vehicle window is in uphill process, the phase angle and the pulse number of the pulse of computing motor output two-way Hall element, learn the running speed and the stroke of motor, the resistance that finally draws vehicle window reaches the anti-pinch effect.Along with the appearance of phenomenons such as the adhesive tape of vehicle window is aging, sand and dust enter, car door distortion, Hall element is too near and damage easily from the electrode of motor, causes anti-pinching car window control to be lost efficacy, and cost cost height.Second kind is adopted the current ripple of computing motor to control anti-pinching car window.Utilize direct current generator switching of electrode in running to cause the fluctuation of electric current, the process computing can be learnt the arithmetic speed and the stroke of motor, and the resistance that finally draws the vehicle window rising reaches the anti-pinch effect.This control mode is genuine productsization not also at present.The third adopts the infrared induction algorithm.The method is effective, but manufacture difficulty is big, and the cost height generally is applicable to high-grade car.
Summary of the invention
For overcoming the defective that existing automobile electric car-window anti-jamming device exists, the utility model provides a kind of simple in structure, arithmetic accuracy is high, cost is low automotive window anti-jamming device.
The technical scheme that the utility model adopted is: the glass for vehicle window fixed block is equipped with permanent magnet, lifting glass for vehicle window guide shaft fixed mount is equipped with lifter end magnetoelectric transducer and lifter intermediate magnetic electric transducer, permanent magnet is between lifter end magnetoelectric transducer and lifter intermediate magnetic electric transducer, lifting motor, lifter end magnetoelectric transducer is connected with microcontroller respectively with lifter intermediate magnetic electric transducer, and lifter end magnetoelectric transducer and lifter intermediate magnetic electric transducer receive signal running status by lifting motor drive circuit control lifting motor and steel tendon transmission mechanism after the control circuit of microcontroller is handled.
The control circuit of microcontroller mainly comprises lifter end magnetoelectric transducer and signal amplification circuit thereof, and lifter intermediate magnetic electric transducer and signal amplification circuit thereof, single-chip microcomputer, motor operating current ripple extract circuit, motor operating current extracts circuit, lifting motor drive circuit; Lifter end magnetoelectric transducer and lifter intermediate magnetic electric transducer are connected with the single-chip microcomputer input by signal amplification circuit separately, and the output of single-chip microcomputer is connected with the input of lifting motor drive circuit; The output of lifting motor drive circuit connects the motor operating current ripple respectively and extracts the input that circuit and motor operating current extract circuit, and the motor operating current ripple extracts the input that output that circuit and motor operating current extract circuit is connected single-chip microcomputer respectively.Lifter end magnetoelectric transducer and lifter intermediate magnetic electric transducer will receive that signal by being input to single-chip microcomputer after the signal amplification circuit amplification separately, passes through lifting motor drive circuit control motor operating state after single-chip microcomputer is handled; The motor operating current ripple extracts circuit the information of lifting motor operation is sent into single-chip microcomputer by pulse signal, calculates vehicle window total kilometres up and down; Current extracting circuit is sent the current signal of lifting motor work into single-chip microcomputer, judges vehicle window rising resistance situation.
Because the utility model adopts permanent magnet to calculate motor rotation speed and position near magnetoelectric transducer, the resistance that finally draws the vehicle window rising reaches the anti-pinch effect, thereby effectively controls the running status of power windows, has simple in structure, the arithmetic accuracy height, low cost and other advantages.
The utility model is described in further detail below in conjunction with the drawings and the specific embodiments.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model automobile electric car-window anti-jamming device;
Fig. 2 is Fig. 1 middle part sub-unit connection diagram;
The circuit block diagram of the microcontroller of Fig. 3 the utility model automobile electric car-window anti-jamming device.
The specific embodiment
As Fig. 1, embodiment illustrated in fig. 2, this automobile electric car-window anti-jamming device comprises lifting glass for vehicle window guide shaft fixed mount 5, glass for vehicle window fixed block 1, upper end steel tendon 6 and lower end steel tendon 7, upper end steel tendon 6 and lower end steel tendon 7 are fixed on lifting glass for vehicle window guide shaft fixed mount 5 and the steel tendon transmission mechanism 8 by the steel wire beam tube respectively, upper end steel tendon 6 and an end of lower end steel tendon 7 are connected the upper and lower side of glass for vehicle window fixed block 1 respectively, the other end of upper end steel tendon 6 and lower end steel tendon 7 is connected two contact A of the rotating disk of steel tendon transmission mechanism 8 respectively, B, steel tendon transmission mechanism 8 is driven by lifting motor 10, and steel tendon transmission mechanism 8 drives glass for vehicle window fixed block 1 by upper end steel tendon 6 and lower end steel tendon 7 and moves up and down along lifting glass for vehicle window guide shaft fixed mount 5; Glass for vehicle window fixed block 1 is equipped with permanent magnet 4, lifting glass for vehicle window guide shaft fixed mount 5 is equipped with lifter end magnetoelectric transducer 2 and lifter intermediate magnetic electric transducer 3, and permanent magnet 4 is between lifter end magnetoelectric transducer 2 and lifter intermediate magnetic electric transducer 3; Lifting motor 10 is by motor-driven line 12, and lifter end magnetoelectric transducer 2 and lifter intermediate magnetic electric transducer 3 are connected with the microcontroller of being made up of single-chip microcomputer 11 respectively by signal transmssion line 9.As shown in Figure 3, the control circuit of microcontroller comprises lifter end magnetoelectric transducer and signal amplification circuit thereof, and lifter intermediate magnetic electric transducer and signal amplification circuit thereof, single-chip microcomputer, motor operating current ripple extract circuit, motor operating current extracts circuit, lifting motor drive circuit and accessory circuits such as LIN_BUS telecommunication circuit, CAN_BUS telecommunication circuit, voltage subtraction circuit, anti-jamming circuit and mu balanced circuit.Lifter end magnetoelectric transducer and lifter intermediate magnetic electric transducer will receive signal and be input to the running status of passing through lifting motor drive circuit control lifting motor and steel tendon transmission mechanism after single-chip microcomputer is handled by amplifying by signal amplification circuit; Lifter end magnetoelectric transducer is used to control the precision of anti-pinch, as vehicle window non-displacement is arranged, apart from the top whether less than 4 millimeters etc.; Lifter intermediate magnetic electric transducer is used for detecting the electromagnetic signal of the permanent magnet on the lifter uphill process glass for vehicle window fixed block; The motor operating current ripple extracts circuit the information of lifting motor operation is sent into single-chip microcomputer by pulse signal, calculates glass window total kilometres up and down.
The operating principle brief description of mechanical part of the present utility model is as follows: the drive circuit output control signal of microcontroller drives the lifting motor forward or reverse; The forward or reverse of lifting motor is through the tired moving steel tendon upstream or downstream of transmission mechanism; The upstream or downstream of steel tendon drive the glass for vehicle window fixed block and rise or descend, and cause the glass for vehicle window that is installed on the glass for vehicle window fixed block to rise or descend.
Rise to the course of work of example brief description the utility model microcontroller below with power windows: press or LIN_BUS/CAN_BUS input motorized window rising signals when power windows rising button, send into single-chip microcomputer (microcontroller) through anti-jamming circuit or LIN chip/CAN chip; Single-chip microcomputer obtains rising signals, through the internal logic computing, rising signals is delivered to the lifting motor drive circuit, and the lifting motor drive circuit drives the power windows lifting motor is just changeing up through the tired moving steel tendon of transmission mechanism; In the glass for vehicle window uphill process,, and detection signal is sent into single-chip microcomputer judge whether glass enters the anti-pinch district after amplifying circuit amplifies by the permanent magnet on the intermediate magnetic electric transducer inspection vehicle window glass fixed mount; As running into bar (resistance＞10 newton), the actuating motor reversing makes glass for vehicle window withdraw from the anti-pinch district in the anti-pinch district; The end magnetoelectric transducer is controlled the precision of anti-pinch; The motor operating current ripple extracts circuit, and the pulse signal is sent into single-chip microcomputer, calculates glass window total kilometres up and down; Current extracting circuit is sent into single-chip microcomputer to the current signal of lifting motor work, judges glass rising resistance situation; The voltage subtraction circuit is sent into single-chip microcomputer to voltage signal, judges the voltage condition of lifting motor work, adjusts glass rising resistance situation; Mu balanced circuit provides the control power supply of microcontroller.
Claims (2)
1. automobile electric car-window anti-jamming device, comprise lifting glass for vehicle window guide shaft fixed mount (5), glass for vehicle window fixed block (1) and steel tendon transmission mechanism (8), steel tendon transmission mechanism (8) is driven by lifting motor (10), steel tendon transmission mechanism (8) drives glass for vehicle window fixed block (1) by upper end steel tendon (6) and lower end steel tendon (7) and moves up and down along lifting glass for vehicle window guide shaft fixed mount (5), it is characterized in that described glass for vehicle window fixed block (1) is equipped with permanent magnet (4), described lifting glass for vehicle window guide shaft fixed mount (5) is equipped with lifter end magnetoelectric transducer (2) and lifter intermediate magnetic electric transducer (3), permanent magnet (4) is positioned between lifter end magnetoelectric transducer (2) and the lifter intermediate magnetic electric transducer (3), lifting motor (10), lifter end magnetoelectric transducer (2) is connected with microcontroller (11) respectively with lifter intermediate magnetic electric transducer (3).
2. automobile electric car-window anti-jamming device according to claim 1, the control circuit that it is characterized in that described microcontroller comprises lifter end magnetoelectric transducer and signal amplification circuit thereof, and lifter intermediate magnetic electric transducer and signal amplification circuit thereof, single-chip microcomputer, motor operating current ripple extract circuit, motor operating current extracts circuit, lifting motor drive circuit; Lifter end magnetoelectric transducer and lifter intermediate magnetic electric transducer are connected with the single-chip microcomputer input by signal amplification circuit separately respectively, and the output of single-chip microcomputer is connected with the input of lifting motor drive circuit; The output of lifting motor drive circuit connects the motor operating current ripple respectively and extracts the input that circuit and motor operating current extract circuit, and the motor operating current ripple extracts the input that output that circuit and motor operating current extract circuit is connected single-chip microcomputer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201152276U CN201100061Y (en) | 2007-09-18 | 2007-09-18 | Automobile electric window clamping-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201152276U CN201100061Y (en) | 2007-09-18 | 2007-09-18 | Automobile electric window clamping-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100061Y true CN201100061Y (en) | 2008-08-13 |
Family
ID=39936593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201152276U Expired - Fee Related CN201100061Y (en) | 2007-09-18 | 2007-09-18 | Automobile electric window clamping-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100061Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230352A (en) * | 2011-04-27 | 2011-11-02 | 北京启明精华新技术有限公司 | Method and device for matching car window anti-clamping parameters |
| CN104533219A (en) * | 2014-12-30 | 2015-04-22 | 埃泰克汽车电子(芜湖)有限公司 | Vehicle window anti-pinch system and control method thereof |
-
2007
- 2007-09-18 CN CNU2007201152276U patent/CN201100061Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230352A (en) * | 2011-04-27 | 2011-11-02 | 北京启明精华新技术有限公司 | Method and device for matching car window anti-clamping parameters |
| CN102230352B (en) * | 2011-04-27 | 2014-07-09 | 北京启明精华新技术有限公司 | Method and device for matching car window anti-clamping parameters |
| CN104533219A (en) * | 2014-12-30 | 2015-04-22 | 埃泰克汽车电子(芜湖)有限公司 | Vehicle window anti-pinch system and control method thereof |
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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: 20080813 Termination date: 20110918 |