CN206091705U - Auto electric door window anti - pinch control system - Google Patents
Auto electric door window anti - pinch control system Download PDFInfo
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- CN206091705U CN206091705U CN201620857070.3U CN201620857070U CN206091705U CN 206091705 U CN206091705 U CN 206091705U CN 201620857070 U CN201620857070 U CN 201620857070U CN 206091705 U CN206091705 U CN 206091705U
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Abstract
The utility model discloses an auto electric door window anti - pinch control system, this door window anti - pinch control circuit mainly produce the circuit by switch button module, MCU controller, motor drive 1, motor drive 2, signal detection amplifier circuit, hall sensor, door window motor, central lock motor, state indicating module, LIN bus and offset voltage and form, whether signal that the MCU controller detected amplifier output terminal through periodic detected signal determines the object by the clamp, sends control signal to door window drive unit, and drive door window drive unit's door window motor action realizes opening, closing of door window. The utility model discloses simple structure, the reaction is sensitive, can prevent effectively that window glass and car window frame from taking place the striking to low cost.
Description
Technical field
This utility model is related to vehicle switch control circuit technical field, more particularly to a kind of automobile electric car-window anti-pinch control
System processed.
Background technology
With China's economy develop rapidly and living standards of the people continuous improvement, China's average family and unit
Vehicle population constantly rise.People enjoying bring convenient of automobile while, more comfortablenesses for considering vehicle and
Safety.Vehicle window is one of important composition of vehicle body, therefore is provided with vehicle window and is made up of sensor, controlling switch and control unit
Glass-frame riser anti-pinch device.
At present, the pinch resistant functionality detection technique of car anti-clamping vehicle window has infrared sensor type, pressure transducer formula.Infrared biography
Sensor formula detection technique is that have foreign in vehicle window moving range using infrared light detection, sends instruction by control unit and allows
Car window electric machine stalls or inverts the stopping or reversion that drive glass for vehicle window it is achieved thereby that pinch resistant functionality.Pressure transducer formula is detected
Technology is that pressure transducer is placed in vehicle window top inframe, when object is clipped in vehicle window uphill process, pressure transducer feedback
Trigger, by control unit send instruction allow Car window electric machine stalling or invert drive glass for vehicle window stopping or reversion so as to
Realize pinch resistant functionality.But there is following drawback in above-described anti-pinch detection technique or research：Infrared sensor type is detected
Technology is higher to weather environment requirement, under harsh climate condition (heavy rain, thick fog and dust) can badly influence infrared light
The performance in source, under these extreme cases, infrared system is it is difficult to ensure that normal work；The drawbacks of pressure transducer formula detection technique
It is high cost and easy false triggering.
Therefore, design structure is simple, is quick on the draw, and can effectively prevent glass for vehicle window from occurring to clash into vehicle window frame, and
Power window clamp prevention control system with low cost is highly significant.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of automobile electric car-window anti-pinch control
System processed.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of automobile electric car-window clamping-proof control system, is characterized in that：Including switch key module, MCU controllers, motor
Drive 1, Motor drive 2, signal detection amplifying circuit, Hall element, Car window electric machine, central controlled lock motor, state indicator module,
LIN buses and bias-voltage generating circuit；
The annexation of the automobile electric car-window clamping-proof control system is：The output of switch key module is connected to MCU
The control signal input of controller, the data signal end of LIN buses are connected to the first data signal end of MCU controllers, MCU
Second data signal end of controller is connected to the data signal end of Motor drive 2, and 2 outfan of Motor drive is connected to central controlled lock
The control signal end of motor, the 3rd data signal end of MCU controllers are connected to the data signal end of Motor drive 1, and motor drives
Dynamic 1 outfan is connected to the control signal end of Car window electric machine, and the 4th data signal end of MCU controllers is connected to state instruction
The control signal end of module, the signal output part of Hall element are connected to the secondary signal input of signal detection amplifying circuit
End, the driving current outfan of Car window electric machine are connected to the first signal input part of signal detection amplifying circuit, and signal detection is put
Receive two signals are amplified big circuit the 5th data letter for processing and MCU controllers being connected to by its outfan
Number end, the first voltage outfan of bias-voltage generating circuit are connected respectively to switch key module, MCU controllers, motor and drive
Dynamic 1, the power voltage input terminal of Motor drive 2 and signal detection amplifying circuit, the second voltage of bias-voltage generating circuit are defeated
Go out the supply voltage that end is connected respectively to Hall element, Car window electric machine, central controlled lock motor, state indicator module and LIN buses
Input.
Described signal detection amplifying circuit, is characterized in that：Including Car window electric machine current detection circuit and Hall element
Pulse signal amplification circuit and signal selecting switch 1 and switch 2；Switch 1 is connected with the outfan of switch 2, and exports connection
To the 5th data signal end of MCU controllers；
The Car window electric machine current detection circuit includes resistance R5, amplifier U1, amplifier U2, amplifier U3, resistance R6, resistance
R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12 and resistance R13, the resistance R5 are connected with Car window electric machine, institute
State one end of resistance R5 to be connected with the in-phase input end of amplifier U2, the inverting input of amplifier U2 and resistance R10, resistance R11
One end connects, and the other end ground connection of resistance R10, the other end of resistance R11 are connected with the outfan of amplifier U2, the output of amplifier U2
End Jing resistance R12 is connected with the inverting input of amplifier U3, and the other end of precision resistance R5 is connected with the in-phase input end of amplifier U1
Connect, the inverting input of amplifier U1 is connected with one end of resistance R6, resistance R7, the other end ground connection of resistance R6, resistance R7's is another
One end is connected with the outfan of amplifier U1, and the outfan Jing resistance R8 of amplifier U1 is connected with the in-phase input end of amplifier U3, amplifier
The in-phase input end of U3 is connected with one end of resistance R9, the other end ground connection of resistance R9, the inverting input and resistance of amplifier U3
One end connection of R13, the other end of resistance R13 is connected with the outfan of amplifier U3, the outfan connecting valve 1 of amplifier U3 it is defeated
Enter end；
The Hall element pulse signal amplification circuit includes amplifier U4, resistance R14, resistance R15, resistance R16 and electricity
Resistance R17, the inverting input of amplifier U4 are connected with one end of resistance R14, resistance R15, another termination hall sensing of resistance R14
Device signal, the other end of resistance R15 are connected with the outfan of amplifier U4, and the left end of the outfan Jing resistance R16 of amplifier U4 is connected
Connect, the normal phase input end of amplifier U4 is connected with one end of resistance R17, the other end ground connection of resistance R17, the right-hand member of resistance R16 connect
Connect the input of switch 2.
Described state indicator module, is characterized in that：Including three LED lights, respectively door lock LED, anti-pinch LED and
Failure LED, the control signal of door lock LED, anti-pinch LED and failure LED are all connected to the 4th data signal end of MCU controllers.
The utility model has the advantages that：Simple structure, is quick on the draw, and can effectively prevent glass for vehicle window from occurring with vehicle window frame
Clash into, and it is with low cost.
Description of the drawings
Block architecture diagrams of the Fig. 1 for this utility model automobile electric car-window clamping-proof control system；
Schematic diagrams of the Fig. 2 for this utility model signal detection amplifying circuit；
Fig. 3 is the schematic diagram of this utility model state indicator module.
Specific embodiment
This utility model is described in more detail with example below in conjunction with the accompanying drawings.
It is shown in Figure 1, a kind of automobile electric car-window clamping-proof control system, including switch key module, MCU controllers,
Motor drive 1, Motor drive 2, signal detection amplifying circuit, Hall element, Car window electric machine, central controlled lock motor, state instruction
Module, LIN buses and bias-voltage generating circuit module.
The annexation of system shown in Figure 1 is：The control signal that the output of switch key module is connected to MCU controllers is defeated
Enter end, the data signal end of LIN buses is connected to the first data signal end of MCU controllers, the second data letter of MCU controllers
Number end is connected to the data signal end of Motor drive 2, and 2 outfan of Motor drive is connected to the control signal end of central controlled lock motor,
3rd data signal end of MCU controllers is connected to the data signal end of Motor drive 1, and 1 outfan of Motor drive is connected to car
The control signal end of window motor, the 4th data signal end of MCU controllers are connected to the control signal end of state indicator module, suddenly
The signal output part of your sensor is connected to the secondary signal input of signal detection amplifying circuit, the driving current of Car window electric machine
Outfan is connected to the first signal input part of signal detection amplifying circuit, and receive two are believed by signal detection amplifying circuit
Number it is amplified the 5th data signal end for processing and MCU controllers being connected to by its outfan, bias-voltage generating circuit
First voltage outfan be connected respectively to switch key module, MCU controllers, Motor drive 1, Motor drive 2 and signal inspection
The power voltage input terminal of amplifying circuit is surveyed, the second voltage outfan of bias-voltage generating circuit is connected respectively to hall sensing
The power voltage input terminal of device, Car window electric machine, central controlled lock motor, state indicator module and LIN buses.
Automobile electric car-window clamping-proof control system described in the utility model, has two kinds of operational modes during specific works, the
It is a kind of to control vehicle window state model for switch key module, vehicle window state model is automatically controlled for MCU second.
During switch key module control vehicle window state, the pulse width and Car window electric machine of Hall element generation
Output current signal, the process of Jing signal detection amplifying circuits, is subsequently sent to MCU controllers respectively, and MCU controllers are according to Hall
The output current signal of the pulse signal and Car window electric machine of sensor is detected to the direction of motion of window locations and vehicle window；Institute
The control signal that MCU controllers are input into by switch key module is stated, control signal is sent to Motor drive 1, drive vehicle window electricity
The motor-driven open and close for realizing vehicle window；Control signal is sent to Motor drive 2, drive central controlled lock motor action realize the opening of car door,
Close.
During MCU automatically controls vehicle window state, what the MCU controllers were detected according to signal detection amplifying circuit
Hall pulse width is compared with the threshold value of set pulse width, judges whether the threshold value more than set pulse width, and letter
The current information of number detection amplifying circuit detection is compared with set current threshold, is judged whether more than set current threshold,
If one of them of pulse width and electric current exceedes set threshold value, object is jammed, and MCU controller output signals are driven to motor
Galvanic electricity road 1, then drives Car window electric machine reversion.
The signal detection amplifying circuit is as shown in Fig. 2 include Car window electric machine current detection circuit and Hall element arteries and veins
Rush signal amplification circuit and signal selecting switch 1 and switch 2.Switch 1 is connected with the outfan of switch 2, and output is connected to
5th data signal end of MCU controllers.
Car window electric machine current detection circuit includes resistance R5, amplifier U1, amplifier U2, amplifier U3, resistance R6, resistance R7, electricity
Resistance R8, resistance R9, resistance R10, resistance R11, resistance R12 and resistance R13, the resistance R5 are connected with Car window electric machine, the electricity
One end of resistance R5 is connected with the in-phase input end of amplifier U2, inverting input and resistance R10, one end of resistance R11 of amplifier U2
Connection, the other end ground connection of resistance R10, the other end of resistance R11 are connected with the outfan of amplifier U2, the outfan Jing of amplifier U2
Resistance R12 is connected with the inverting input of amplifier U3, and the other end of precision resistance R5 is connected with the in-phase input end of amplifier U1, fortune
The inverting input for putting U1 is connected with one end of resistance R6, resistance R7, the other end of resistance R6 ground connection, the other end of resistance R7 with
The outfan connection of amplifier U1, the outfan Jing resistance R8 of amplifier U1 is connected with the in-phase input end of amplifier U3, amplifier U3 it is same
Phase input is connected with one end of resistance R9, the other end ground connection of resistance R9, the inverting input of amplifier U3 and the one of resistance R13
End connection, the other end of resistance R13 are connected with the outfan of amplifier U3, the input of the outfan connecting valve 1 of amplifier U3.
Hall element pulse signal amplification circuit includes amplifier U4, resistance R14, resistance R15, resistance R16 and resistance
R17, the inverting input of amplifier U4 are connected with one end of resistance R14, resistance R15, another termination Hall element of resistance R14
Signal, the other end of resistance R15 are connected with the outfan of amplifier U4, and the left end of the outfan Jing resistance R16 of amplifier U4 is connected,
The normal phase input end of amplifier U4 is connected with one end of resistance R17, and the other end ground connection of resistance R17, the right-hand member connection of resistance R16 are opened
Close 2 input.
The state indicator module is as shown in figure 3, including three LED lights, respectively door lock LED, anti-pinch LED and event
Barrier LED.The control signal of door lock LED, anti-pinch LED and failure LED is all connected to the 4th data signal end of MCU controllers.
Further, this utility model also includes LIN bus modules, and the LIN bus modules are single with body of a motor car control
The BCM controllers communication of unit, LIN buses are communicated with other controllers of automobile control unit, obtain the status information of vehicle, shape
State information includes gear signal, battery power and sails the information such as energy signal.When user touches car window switch, vehicle window control unit
Car status information according to obtaining judges whether vehicle window meets start condition.The operation condition is whether battery voltage is enough
Vehicle window is adjusted, and whether the Hall pulse width of Car window electric machine reaches setting value, if reaching setting value represents that Hall element is damaged
It is bad, it is impossible to adjust vehicle window.
Claims (3)
1. a kind of automobile electric car-window clamping-proof control system, is characterized in that：Drive including switch key module, MCU controllers, motor
Dynamic 1, Motor drive 2, signal detection amplifying circuit, Hall element, Car window electric machine, central controlled lock motor, state indicator module,
LIN buses and bias-voltage generating circuit；
The annexation of the automobile electric car-window clamping-proof control system is：The output of switch key module is connected to MCU controls
The control signal input of device, the data signal end of LIN buses are connected to the first data signal end of MCU controllers, MCU controls
Second data signal end of device is connected to the data signal end of Motor drive 2, and 2 outfan of Motor drive is connected to central controlled lock motor
Control signal end, the 3rd data signal end of MCU controllers is connected to the data signal end of Motor drive 1, and Motor drive 1 is defeated
Go out the control signal end that end is connected to Car window electric machine, the 4th data signal end of MCU controllers is connected to state indicator module
Control signal end, the signal output part of Hall element are connected to the secondary signal input of signal detection amplifying circuit, vehicle window
The driving current outfan of motor is connected to the first signal input part of signal detection amplifying circuit, and signal detection amplifying circuit will
Two signals for receiving are amplified the 5th data signal end for processing and MCU controllers being connected to by its outfan, partially
The first voltage outfan for putting voltage generation circuit is connected respectively to switch key module, MCU controllers, Motor drive 1, motor
Drive the power voltage input terminal of 2 and signal detection amplifying circuit, the second voltage outfan difference of bias-voltage generating circuit
It is connected to the power voltage input terminal of Hall element, Car window electric machine, central controlled lock motor, state indicator module and LIN buses.
2. automobile electric car-window clamping-proof control system according to claim 1, is characterized in that：The signal detection amplifies electricity
Road includes Car window electric machine current detection circuit and Hall element pulse signal amplification circuit and signal selecting switch 1 and switch
2；Switch 1 is connected with the outfan of switch 2, and output is connected to the 5th data signal end of MCU controllers；
The Car window electric machine current detection circuit includes resistance R5, amplifier U1, amplifier U2, amplifier U3, resistance R6, resistance R7, electricity
Resistance R8, resistance R9, resistance R10, resistance R11, resistance R12 and resistance R13, the resistance R5 are connected with Car window electric machine, the electricity
One end of resistance R5 is connected with the in-phase input end of amplifier U2, inverting input and resistance R10, one end of resistance R11 of amplifier U2
Connection, the other end ground connection of resistance R10, the other end of resistance R11 are connected with the outfan of amplifier U2, the outfan Jing of amplifier U2
Resistance R12 is connected with the inverting input of amplifier U3, and the other end of precision resistance R5 is connected with the in-phase input end of amplifier U1, fortune
The inverting input for putting U1 is connected with one end of resistance R6, resistance R7, the other end of resistance R6 ground connection, the other end of resistance R7 with
The outfan connection of amplifier U1, the outfan Jing resistance R8 of amplifier U1 is connected with the in-phase input end of amplifier U3, amplifier U3 it is same
Phase input is connected with one end of resistance R9, the other end ground connection of resistance R9, the inverting input of amplifier U3 and the one of resistance R13
End connection, the other end of resistance R13 are connected with the outfan of amplifier U3, the input of the outfan connecting valve 1 of amplifier U3；
The Hall element pulse signal amplification circuit includes amplifier U4, resistance R14, resistance R15, resistance R16 and resistance
R17, the inverting input of amplifier U4 are connected with one end of resistance R14, resistance R15, another termination Hall element of resistance R14
Signal, the other end of resistance R15 are connected with the outfan of amplifier U4, and the left end of the outfan Jing resistance R16 of amplifier U4 is connected,
The normal phase input end of amplifier U4 is connected with one end of resistance R17, and the other end ground connection of resistance R17, the right-hand member connection of resistance R16 are opened
Close 2 input.
3. automobile electric car-window clamping-proof control system according to claim 1, is characterized in that：The state indicator module bag
Include three LED lights, respectively door lock LED, anti-pinch LED and failure LED, the control of door lock LED, anti-pinch LED and failure LED
Signal is all connected to the 4th data signal end of MCU controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620857070.3U CN206091705U (en) | 2016-08-09 | 2016-08-09 | Auto electric door window anti - pinch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620857070.3U CN206091705U (en) | 2016-08-09 | 2016-08-09 | Auto electric door window anti - pinch control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206091705U true CN206091705U (en) | 2017-04-12 |
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ID=58468196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620857070.3U Active CN206091705U (en) | 2016-08-09 | 2016-08-09 | Auto electric door window anti - pinch control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141507A (en) * | 2018-08-03 | 2019-01-04 | 大陆汽车电子(长春)有限公司 | Hall sensor fault detection method, louver controller and skylight drive system |
| CN110596779A (en) * | 2018-06-12 | 2019-12-20 | 日立金属株式会社 | Detection device |
-
2016
- 2016-08-09 CN CN201620857070.3U patent/CN206091705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596779A (en) * | 2018-06-12 | 2019-12-20 | 日立金属株式会社 | Detection device |
| CN109141507A (en) * | 2018-08-03 | 2019-01-04 | 大陆汽车电子(长春)有限公司 | Hall sensor fault detection method, louver controller and skylight drive system |
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