CN205370234U - Power windows control system is prevented pressing from both sides by photoelectricity - Google Patents
Power windows control system is prevented pressing from both sides by photoelectricity Download PDFInfo
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- CN205370234U CN205370234U CN201620117814.8U CN201620117814U CN205370234U CN 205370234 U CN205370234 U CN 205370234U CN 201620117814 U CN201620117814 U CN 201620117814U CN 205370234 U CN205370234 U CN 205370234U
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- photoelectric sensor
- correlation photoelectric
- photoelectricity
- light coupling
- transmitting terminal
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Abstract
The utility model provides a power windows control system is prevented pressing from both sides by photoelectricity, including correlation formula photoelectric sensor, photoMOS relay system and voltage converter system, correlation formula photoelectric sensor is including correlation formula photoelectric sensor transmitting terminal and correlation formula photoelectric sensor receiving terminal, correlation formula photoelectric sensor transmitting terminal is all installed on the inboard same horizontal plane of door window with correlation formula photoelectric sensor ware receiving terminal, the utility model discloses with high accuracy correlation formula photoelectric sensor detection ring border signal, handle the detected signal through low -cost photoMOS relay system, make corresponding control command, control door window operating condition to reach the safe purpose of pressing from both sides of preventing, this kind of photoelectricity is prevented pressing from both sides the power windows design and has been solved that current how many moneys in market are electronic prevents pressing from both sides the not enough of door window, has improved sensitivity and reliability. This kind of photoelectricity is prevented pressing from both sides the power windows and has been avoided the clamp to hinder the emergence of accident at to a great extent, and its is with low costs, and the work precision is high, easily uses widely.
Description
Technical field
This utility model relates to field of automobile safety, is specially a kind of photoelectricity Anti-pinch of Electric Window in Vehicles and controls system.
Background technology
The appearance of power windows improves comfortableness and the convenience of automobile, but also occurs in that many situations that personnel are crushed by automatically up vehicle window by bus, in recent years in order to improve the security performance of automobile, occurs in that automobile electric car-window anti-clipping system.Most of automobile electric car-window anti-clipping systems adopt Hall mechanics sensor to be core parts now, when the up process of vehicle window runs into barrier, motor speed reduces, thus causing that in circuit, electric current reduces, Hall mechanics sensor passes through this principle, the change of detection current amplitude, controls the up, descending of vehicle window and stops.Prior art major defect has: 1, utilizes Hall mechanics sensor to carry out anti-pinch and controls to need barrier that vehicle window is applied certain resistance, affect the rotating speed of motor, can be only achieved anti-pinch purpose, but now and to barrier there are folder material resources, the child comparatively fragile for skeleton and old man, still suffer from certain injury.2, prior art require over Hall mechanics sensor judge current amplitude change respond, this mode response speed is relatively slow, it is impossible to reach the purpose of instant anti-pinch.3, the anti-clipping system relative cost adopting Hall mechanics sensor is higher, only has medium-to-high grade vehicle just can adopt anti-clipping system in the market, and market penetration rate is relatively low.
Utility model content
For above problems of the prior art, this utility model provides a kind of photoelectricity Anti-pinch of Electric Window in Vehicles and controls system, provides a kind of low-cost and high-precision photoelectricity Anti-pinch of Electric Window in Vehicles Control System Design in order to solve the shortcomings such as market existing anti-pinch power window lifter economic and practical is poor, susceptiveness is not enough simultaneously.
This utility model is achieved through the following technical solutions:
A kind of photoelectricity Anti-pinch of Electric Window in Vehicles controls system, and its control system includes correlation photoelectric sensor, light coupling relay system, STC89C52 single chip computer automatic control system and voltage converter system；Described correlation photoelectric sensor includes correlation photoelectric sensor transmitting terminal and correlation photoelectric sensor receiving terminal, described correlation photoelectric sensing transmitting terminal and correlation photoelectric sensor receiving terminal are installed in inside vehicle window in same level, and correlation photoelectric sensing transmitting terminal keeps point-blank with correlation photoelectric sensor receiving terminal；Described correlation photoelectric sensor receiving terminal and emission sensor transmitting terminal are oppositely arranged, and described correlation photoelectric sensor transmitting terminal launches signal to described formula sensor receiving terminal of penetrating；Described correlation photoelectric sensor signal output part accesses light coupling relay system；STC89C52 single chip computer automatic control system includes STC89C52 single-chip microcomputer, the outfan of described voltage converter system is connected with STC89C52 single-chip microcomputer, described STC89C52 single-chip microcomputer is connected with described light coupling relay system, correlation photoelectric sensor, and the outfan of described light coupling relay system connects direct current generator.
Further, the running voltage of described correlation photoelectric sensor and light coupling relay system provides for 12V power supply, and described 12V power supply adopts the high-power voltage reduction module blood pressure lowering of DC-DC, and described STC89C52 single-chip microcomputer starts anti-clipping system when rising for vehicle window automatically.
Further, described control system includes least one set correlation photoelectric sensor, and controls many groups correlation photoelectric sensor cooperation of system.
When the vehicle window decline switch in power windows master switch is switched to contact 5 by contact 6, the STC89C52 single-chip microcomputer equal output low level of output port V+ and V-, described correlation photoelectric sensor system and light coupling relay system are in off working state, relay K A is received high level signal by phase inverter, normally opened contact closes, circuit turn-on, dc motor proper motion, now anti-clipping system does not work, vehicle window normal decline；When the vehicle window rising switch in power windows master switch is switched to contact 8 by contact 7, STC89C52 single-chip microcomputer output port V+ exports high level, V-output low level, described correlation photoelectric sensor system and light coupling relay system energization enter duty, relay K A receives low level signal, normally opened contact disconnects, and this road is in off state.In described correlation photoelectric sensor system, V1, V6 send invisible laser；Described light coupling relay normally opened contact closes, anti-clipping system circuit turn-on, direct current generator normal operation, and vehicle window rises；When barrier enters anti-pinch region, block the invisible laser that described correlation photoelectric sensor transmitting terminal sends, Vout1, Vout2 one of them or whole output low levels；Vout1, Vout2 input light coupling relay system as signal, and when at least one of which signal is low level, described light coupling relay power-off, normally opened contact disconnects, anti-clipping system circuitry cuts, and direct current generator quits work, and vehicle window stops rising；When barrier leaves anti-pinch region, system recovery duty, circuit system turns on, and vehicle window continues to rise.
The beneficial effects of the utility model are: (1) must detect when photoelectricity anti-clamp circuit is in normal operating conditions, just can control vehicle window up, otherwise cannot start；(2) photoelectricity clamp-proof car window has two kinds of duties: respectively anti-pinch state and naturalness, and naturalness is to damage for solving photoelectricity anti-clamp circuit, and vehicle window cannot the problem of normal operation；(3) when there being barrier to block described correlation photoelectric sensor transmitting terminal light, described light coupling relay system command adapted thereto, control vehicle window electric motor system duty, make vehicle window motion stop；(4) when vehicle window stop motion, unknown object withdraws from hazardous area, reset operating circuit, and vehicle window just can re-start work；(5) described photoelectricity anti-clamp circuit adopts STC89C52 single-chip microcomputer to automatically control, and only just in running order when vehicle window is up, the equal no current of other situations passes through circuit, reaches energy-conservation, improves the purpose in service life.This utility model high accuracy correlation photoelectric sensor detection ambient signal, detection signal is processed by low cost optocoupler relay system, make corresponding control instruction, control vehicle window duty, to reach the purpose of safe anti-pinch, the design of this kind of photoelectricity Anti-pinch of Electric Window in Vehicles solves the deficiency of the existing a few money anti-pinch power window lifter in market, improves sensitivity and reliability, has automatic energy saving feature simultaneously.This kind of photoelectricity Anti-pinch of Electric Window in Vehicles largely avoid the generation of the accident of crushing, and its cost is low, and operating accuracy is high, it is easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is this utility model control principle schematic diagram.
Fig. 2 is the relay circuit figure of this utility model correlation photoelectric sensor.
Fig. 3 is this utility model correlation photoelectric sensor circuit diagram.
Fig. 4 is this utility model electric car window switch circuit diagram.
Fig. 5 is this utility model STC89C52 single-chip microcomputer working circuit diagram.
Fig. 6 is this utility model photoelectricity anti-clipping system circuit diagram.
Fig. 7 is this utility model anti-pinch device scheme of installation.
Fig. 8 is this utility model anti-clipping system control flow chart.
Wherein, 13 is correlation photoelectric sensor；14 is light coupling relay system；15 is STC89C52 single chip computer automatic control system；16 is voltage converter system；17 is emission sensor transmitting terminal；18 is correlation photoelectric sensor receiving terminal；19 is vehicle window；20 is direct current generator；21 is STC89C52 single-chip microcomputer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details.
Refer to Fig. 1-8, this utility model provides control system and includes correlation photoelectric sensor 13, light coupling relay system 14, STC89C52 single chip computer automatic control system 15 and voltage converter system 16；Described correlation photoelectric sensor 13 includes correlation photoelectric sensor transmitting terminal 17 and correlation photoelectric sensor receiving terminal 18, described correlation photoelectric sensing transmitting terminal 17 is installed in inside vehicle window 19 in same level with correlation photoelectric sensor receiving terminal 18, and correlation photoelectric sensing transmitting terminal 17 keeps point-blank with correlation photoelectric sensor receiving terminal 18；Described correlation photoelectric sensor receiving terminal 18 is oppositely arranged with emission sensor transmitting terminal 17, and described correlation photoelectric sensor transmitting terminal 17 launches signal to described formula sensor receiving terminal 18 of penetrating；Described correlation photoelectric sensor 13 signal output part accesses light coupling relay system 14；STC89C52 single chip computer automatic control system 15 includes STC89C52 single-chip microcomputer 21, the outfan of described voltage converter system 16 is connected with STC89C52 single-chip microcomputer 21, described STC89C52 single-chip microcomputer 21 is connected with described light coupling relay system 14, correlation photoelectric sensor 13, and the outfan of described light coupling relay system 14 connects direct current generator 20；
Namely refer to Fig. 7, described correlation photoelectric sensing transmitting terminal and correlation photoelectric sensor receiving terminal are installed in inside vehicle window in same level, and correlation photoelectric sensing transmitting terminal keeps point-blank with correlation photoelectric sensor receiving terminal, adopt two teams' correlation photoelectric sensor to arrange to install simultaneously, anti-pinch region can be expanded.Correlation photoelectric sensor receiving terminal and emission sensor transmitting terminal are oppositely arranged, and described correlation photoelectric sensor transmitting terminal launches signal to described formula sensor receiving terminal of penetrating.Correlation photoelectric sensor signal output part accesses light coupling relay system.The outfan of voltage converter system is connected with described light coupling relay system, and the outfan of light coupling relay system connects direct current generator.
Refer to Fig. 1, Fig. 7, described correlation photoelectric sensor and light coupling relay system and after the high-power voltage reduction module of DC-DC is down in appropriate voltage range, provided running voltage by 12V power supply.Described correlation photoelectric sensor for organize cooperation more.Preferably, starting operating circuit, control vehicle window up, when there being barrier to block described correlation photoelectric sensor transmitting terminal light, described correlation photoelectric sensor receiving end signal output end signal changes and is transferred to described light coupling relay system.Owing to described power supply, voltage transformation module, light coupling relay, car window switch, vehicle window electric motor system constitute complete loops, therefore light coupling relay can produce command adapted thereto and control described vehicle window electric motor system state, thus controlling the duty of glass lifting mechanism and glass.
Refer to Fig. 2, described light coupling relay system is provided running voltage by 12V power supply after the high-power voltage reduction module of DC-DC is down in appropriate voltage range.Wherein 9,11 ports are described correlation photoelectric sensor signal input part.Its operation principle is: when 9 ports, the 11 equal input high level of port, diode V6 ends, audion V8 saturation conduction, transistor collector C3 is high level, the energising of described light coupling relay enters duty, its normally opened contact closes, and light emitting diode V9 sends green light, it was shown that relay is in running order；In the middle of 9 ports, 11 ports during either port input low level, diode V6 turns on, and audion V8 ends, described light coupling relay power-off, and its normally opened contact disconnects, and light emitting diode V9 extinguishes, and indicates that relay is in off-position.
Refer to Fig. 3, described correlation photoelectric sensor is provided running voltage by 12V power supply after the high-power voltage reduction module of DC-DC is down in appropriate voltage range.Described correlation photoelectric sensor system is made up of two groups of correlation photoelectric sensor.The operation principle of described correlation photoelectric sensor system is: is sent sightless laser by diode V1, V6, is received by light sensitive diode V2, V5 respectively.When not having barrier to pass through in anti-pinch region, light sensitive diode V2, V5 are in the conduction state, and colelctor electrode C1, C2 of audion V3, V4 exports high level, Vout1, Vout2 port output high level；When having barrier in anti-pinch region, barrier blocks correlation photoelectric sensor receiving terminal and receives light, now light sensitive diode V2, V5 cut-off, colelctor electrode C1, C2 output low level of audion V3, V4, Vout1, Vout2 port output low level.
Refer to Fig. 4, described car window switch system (only for a car door car window on-off control) is provided running voltage by 12V vehicle power.Described car window switch system can realize vehicle window rising, descending motion, is simultaneously provided with window sash lock switch, increases safety.
Refer to Fig. 5, described STC89C52 single chip computer automatic control system is provided running voltage by 12V power supply after the high-power voltage reduction module of DC-DC is down in appropriate voltage range.Vehicle window rises master switch and falls master switch and connect a phase inverter respectively, then is connected with P1.0 and the P1.1 port of described STC89C52 single-chip microcomputer respectively.P0.0 and the P0.1 port of described STC89C52 single-chip microcomputer, as input port, is connected with Electro-Optic Sensor System and light coupling relay system respectively, it is achieved start anti-clamp circuit when vehicle window rises.
Refer to Fig. 6, described photoelectricity anti-clipping system is controlled system, direct current generator, Voltage stabilizing module, STC89C52 single chip computer automatic control system, correlation photoelectric sensor system and light coupling relay system by vehicle power, car window switch and forms.Described vehicle window control system and direct current generator are directly provided running voltage by 12V vehicle power, and described STC89C52 single chip computer automatic control system, correlation photoelectric sensor system and light coupling relay system are provided running voltage by 12V power supply after the high-power voltage reduction module of DC-DC is down in appropriate voltage range.The operation principle of this system is: 1, when the vehicle window decline switch in power windows master switch is switched to contact 5 by contact 6, the STC89C52 single-chip microcomputer equal output low level of output port V+ and V-, described correlation photoelectric sensor system and light coupling relay system are in off working state, relay K A is received high level signal by phase inverter, normally opened contact closes, circuit turn-on, dc motor proper motion, now anti-clipping system does not work, vehicle window normal decline.2, when the vehicle window rising switch in power windows master switch is switched to contact 8 by contact 7, STC89C52 single-chip microcomputer output port V+ exports high level, V-output low level, described correlation photoelectric sensor system and light coupling relay system energization enter duty, relay K A receives low level signal, normally opened contact disconnects, and this road is in off state.In described correlation photoelectric sensor system, V1, V6 send invisible laser.Described light coupling relay normally opened contact closes, anti-clipping system circuit turn-on, direct current generator normal operation, and vehicle window rises.When barrier enters anti-pinch region, block the invisible laser that described correlation photoelectric sensor transmitting terminal sends, Vout1, Vout2 one of them or whole output low levels.Vout1, Vout2 input light coupling relay system as signal, and when at least one of which signal is low level, described light coupling relay power-off, normally opened contact disconnects, anti-clipping system circuitry cuts, and direct current generator quits work, and vehicle window stops rising.When barrier leaves anti-pinch region, system recovery duty, circuit system turns on, and vehicle window continues to rise.
This utility model (1) must detect when photoelectricity anti-clamp circuit is in normal operating conditions, just can control vehicle window up, otherwise cannot start；(2) photoelectricity clamp-proof car window has two kinds of duties: respectively anti-pinch state and naturalness, and naturalness is to damage for solving photoelectricity anti-clamp circuit, and vehicle window cannot the problem of normal operation；(3) when there being barrier to block described correlation photoelectric sensor transmitting terminal light, described light coupling relay system command adapted thereto, control vehicle window electric motor system duty, make vehicle window motion stop；(4) when vehicle window stop motion, unknown object withdraws from hazardous area, reset operating circuit, and vehicle window just can re-start work；(5) described photoelectricity anti-clamp circuit is only just in running order when vehicle window is up, and the equal no current of other situations passes through circuit, reaches energy-conservation, improves the purpose in service life.This utility model high accuracy correlation photoelectric sensor detection ambient signal, detection signal is processed by low cost optocoupler relay system, make corresponding control instruction, control vehicle window duty, to reach the purpose of safe anti-pinch, the design of this kind of photoelectricity Anti-pinch of Electric Window in Vehicles solves the deficiency of the existing a few money anti-pinch power window lifter in market, improves sensitivity and reliability.This kind of photoelectricity Anti-pinch of Electric Window in Vehicles largely avoid the generation of the accident of crushing, and its cost is low, and operating accuracy is high, it is easy to promote the use of.
Claims (3)
1. a photoelectricity Anti-pinch of Electric Window in Vehicles controls system, it is characterised in that: its control system includes correlation photoelectric sensor (13), light coupling relay system (14), STC89C52 single chip computer automatic control system (15) and voltage converter system (16)；Described correlation photoelectric sensor (13) includes correlation photoelectric sensor transmitting terminal (17) and correlation photoelectric sensor receiving terminal (18), described correlation photoelectric sensing transmitting terminal (17) and correlation photoelectric sensor receiving terminal (18) are installed in the same level of vehicle window (19) inner side, and correlation photoelectric sensing transmitting terminal (17) keeps point-blank with correlation photoelectric sensor receiving terminal (18)；Described correlation photoelectric sensor receiving terminal (18) and emission sensor transmitting terminal (17) are oppositely arranged, and described correlation photoelectric sensor transmitting terminal (17) launches signal to described formula sensor receiving terminal (18) of penetrating；Described correlation photoelectric sensor (13) signal output part accesses light coupling relay system (14)；STC89C52 single chip computer automatic control system (15) includes STC89C52 single-chip microcomputer (21), the outfan of described voltage converter system (16) is connected with STC89C52 single-chip microcomputer (21), described STC89C52 single-chip microcomputer (21) is connected with described light coupling relay system (14), correlation photoelectric sensor (13), and the outfan of described light coupling relay system (14) connects direct current generator (20).
2. a kind of photoelectricity Anti-pinch of Electric Window in Vehicles according to claim 1 controls system, it is characterized in that: the running voltage of described correlation photoelectric sensor (13) and light coupling relay system (14) provides for 12V power supply, and described 12V power supply adopts the high-power voltage reduction module blood pressure lowering of DC-DC, described STC89C52 single-chip microcomputer starts anti-clipping system when rising for vehicle window automatically.
3. a kind of photoelectricity Anti-pinch of Electric Window in Vehicles according to claim 1 controls system, it is characterized in that: described control system includes least one set correlation photoelectric sensor (13), and controls many groups correlation photoelectric sensor (13) cooperation of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117814.8U CN205370234U (en) | 2016-02-03 | 2016-02-03 | Power windows control system is prevented pressing from both sides by photoelectricity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117814.8U CN205370234U (en) | 2016-02-03 | 2016-02-03 | Power windows control system is prevented pressing from both sides by photoelectricity |
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| CN205370234U true CN205370234U (en) | 2016-07-06 |
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| CN201620117814.8U Expired - Fee Related CN205370234U (en) | 2016-02-03 | 2016-02-03 | Power windows control system is prevented pressing from both sides by photoelectricity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696892A (en) * | 2016-02-03 | 2016-06-22 | 安徽农业大学 | Control system of photoelectric anti-pinch power window |
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2016
- 2016-02-03 CN CN201620117814.8U patent/CN205370234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696892A (en) * | 2016-02-03 | 2016-06-22 | 安徽农业大学 | Control system of photoelectric anti-pinch power window |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180203 |