CN203603669U - Driving circuit of anti-pinch car window lifter - Google Patents
Driving circuit of anti-pinch car window lifter Download PDFInfo
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- CN203603669U CN203603669U CN201320647899.7U CN201320647899U CN203603669U CN 203603669 U CN203603669 U CN 203603669U CN 201320647899 U CN201320647899 U CN 201320647899U CN 203603669 U CN203603669 U CN 203603669U
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Abstract
The utility model provides a driving circuit of an anti-pinch car window lifter. The driving circuit of the anti-pinch car window lifter comprises a network transceiver, a low dropout linear regulator, a micro-control unit, a key switch, an ignition signal source, a rousing module and a power module. According to the driving circuit of the anti-pinch car window lifter, a control signal on an LIN bus is temporarily lowered through the rousing module so that the network transceiver can be roused, then the low dropout linear regulator is roused through the network transceiver, and the low dropout linear regulator applies a driving voltage to power pins of the micro-control unit, so that the micro-control unit turns into the normal working mode from the sleep mode. Therefore, the low dropout linear regulator can be set in the sleep mode, the total sleep current of the driving circuit of the anti-pinch car window lifter can be effectively reduced, energy is saved, and the requirements for environment friendliness and low carbon are met. Meanwhile, the service life of elements such as the low dropout linear regulator can be prolonged, and cost is saved.
Description
Technical field
The utility model relates to car anti-clamping vehicle window technical field, relates in particular to a kind of drive circuit of anti-pinch window regulator.
Background technology
Along with the raising day by day of living standards of the people, automobile is progressively universal in huge numbers of families, and the energy consumption that how to reduce automobile has become the problem that will solve too impatient to wait.
Refer to Fig. 1, drive circuit at the lifter 700 of the anti-pinch vehicle window of existing automobile includes: the LIN transceiver (network transceivers) 200 that is connected with LIN bus 100, the low pressure difference linear voltage regulator 400 being electrically connected with automobile power source 300, the micro-control unit (Micro Control Unit, MCU) 500 being electrically connected by power pins (Vdd pin) and low pressure difference linear voltage regulator 400, and the ignition signal source (lgnition) 602 that is electrically connected of micro-control unit 500 and the key switch 600 that is electrically connected with micro-control unit 500 etc.Lifter 700 is for driving glass rising or the decline of anti-pinch vehicle window.Described key switch 600 comprises: rising button (Up_key) 608, decline button (Down_key) 606 and automatic keying (Auto_key) 604, can control glass rising or the decline of anti-pinch vehicle window by these 3 buttons, the ignition signal that automobile produces by ignition signal source 602 enables anti-pinch vehicle window.
In actual use, in the time that people do not need to regulate and control the glass on anti-pinch vehicle window, electronic control unit (Electronic Control Unit, ECU) enters sleep pattern, and network transceivers also, in sleep pattern, is only accepted detection.And low pressure difference linear voltage regulator is in power-up state, it provides the Vdd pin of high level to micro-control unit, although micro-control unit in sleep pattern, the sleep total current of anti-pinch vehicle window mid-riser is still very large, unnecessary energy consumption causes energy waste, does not meet green low-carbon requirement.And the element of low pressure difference linear voltage regulator etc. is in "on" position, those elements are easily aging, shorten the life-span.
Utility model content
The purpose of this utility model is to provide a kind of drive circuit of anti-pinch window regulator, can effectively reduce the sleep total current of anti-pinch vehicle window mid-riser drive circuit, saves the energy, meets green low-carbon requirement; Meanwhile, can also extend the application life of the element of low pressure difference linear voltage regulator etc., save cost.
For achieving the above object, the utility model provides a kind of drive circuit of anti-pinch window regulator, comprise: network transceivers, low pressure difference linear voltage regulator with described network transceivers electric connection, micro-control unit with described low pressure difference linear voltage regulator electric connection, key switch with described micro-control unit electric connection, ignition signal source with described micro-control unit electric connection, wake module with described micro-control unit electric connection, and power module, described wake module also respectively with key switch, ignition signal source and LIN bus are electrically connected, described network transceivers is also electrically connected with LIN bus, described power module is electrically connected with network transceivers and low pressure difference linear voltage regulator respectively, described wake module is for waking the network transceivers in sleep pattern up.
Described key switch comprises: rising button, decline button and automatic keying.
Described wake module comprises: first to fourth diode, first to fourth resistance, the first triode, the second triode and electric capacity, described the first diode has the first anode and the first negative electrode, one end of described the first negative electrode and the 3rd resistance is electrically connected, the described first anode and rising button are electrically connected, described the second diode has second plate and the second negative electrode, one end of described the second negative electrode and the 3rd resistance is electrically connected, described second plate and decline button are electrically connected, described the 3rd diode has third anode and the 3rd negative electrode, one end of described the 3rd negative electrode and the 3rd resistance is electrically connected, described third anode and automatic keying are electrically connected, described the 4th diode has the 4th anode and the 4th negative electrode, one end of described the 4th negative electrode and the 3rd resistance is electrically connected, described the 4th anode and ignition signal source are electrically connected, described the first triode has the first base stage, the first colelctor electrode and the first emitter stage, described the second triode has the second base stage, the second colelctor electrode and the second emitter stage, the other end of described the 3rd resistance respectively with the first base stage, one end of the first resistance, one end of electric capacity, and second colelctor electrode be electrically connected, described the first colelctor electrode is used for connecting LIN bus, described the second colelctor electrode respectively with one end of the second resistance, and one end of the 4th resistance is electrically connected, the other end of described the 4th resistance is for being electrically connected with micro-control unit, described the first emitter stage, the second emitter stage, the other end of the first resistance, the other end of electric capacity, and the other end of the second resistance is all electrically connected with ground wire.
Described micro-control unit has a power pins, and described micro-control unit is electrically connected by this power pins and low pressure difference linear voltage regulator.
When LIN bus is in the time transferring low level trailing edge control to by high level, described network transceivers transfers normal mode of operation to by sleep pattern.
The beneficial effects of the utility model: the drive circuit of anti-pinch window regulator of the present utility model, by the of short duration control signal dragging down in LIN bus of wake module, thereby wake network transceivers up, wake low pressure difference linear voltage regulator up by network transceivers again, this low pressure difference linear voltage regulator applies the power pins of driving voltage to micro-control unit, this micro-control unit transfers normal mode of operation to by sleep pattern, therefore, can be set to sleep pattern by low pressure difference linear voltage regulator, can effectively reduce the sleep total current of anti-pinch vehicle window mid-riser, save the energy, meet green low-carbon requirement, meanwhile, can also extend the application life of the element of low pressure difference linear voltage regulator etc., save cost.
In order further to understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing, but accompanying drawing only provide with reference to and explanation use, be not used for the utility model to be limited.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present utility model is described in detail, will make the technical solution of the utility model and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the drive circuit module schematic diagram of anti-pinch window regulator in prior art;
Fig. 2 is the drive circuit module schematic diagram of the utility model anti-pinch window regulator;
Fig. 3 is wake module structural representation in the utility model.
The specific embodiment
Technological means and the effect thereof taked for further setting forth the utility model, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
Refer to Fig. 2 and Fig. 3, the utility model provides a kind of drive circuit of anti-pinch window regulator, comprise: network transceivers 10, the low pressure difference linear voltage regulator 20 being electrically connected with described network transceivers 10, the micro-control unit 30 being electrically connected with described low pressure difference linear voltage regulator 20, the key switch 40 being electrically connected with described micro-control unit 30, the ignition signal source 48 being electrically connected with described micro-control unit 30, the wake module 60 being electrically connected with described micro-control unit 30, and power module 70, described wake module 60 also respectively with key switch 40, ignition signal source 48 and LIN bus 80 are electrically connected, described network transceivers 10 is also electrically connected with LIN bus 80, described power module 70 is electrically connected with network transceivers 10 and low pressure difference linear voltage regulator 20 respectively, and then provide working power, described wake module 60 is for waking the network transceivers 10 in sleep pattern up, described micro-control unit 30 is also electrically connected with lifter 70, and then output voltage drives this lifter 70.By the of short duration control signal dragging down in LIN bus 80 of wake module 60, thereby wake network transceivers 10 up, wake low pressure difference linear voltage regulator 20 up by network transceivers 10 again, this low pressure difference linear voltage regulator 20 applies the power pins Vdd of driving voltage to micro-control unit 30, this micro-control unit 30 transfers normal mode of operation to by sleep pattern, thereby drives lifter 70 to work.Therefore, low pressure difference linear voltage regulator 20 can be set to sleep pattern, can effectively reduce the sleep total current of anti-pinch vehicle window mid-riser drive circuit, save the energy, meet green low-carbon requirement; Meanwhile, can also extend the application life of the element of low pressure difference linear voltage regulator 20 grades, save cost.
In the present embodiment, described key switch 40 preferably includes: rising button 42, decline button 44 and automatic keying 46, can control glass rising or the decline of anti-pinch vehicle window by triggering those buttons.Described micro-control unit 30 has a power pins Vdd, and described micro-control unit 30 is electrically connected by this power pins Vdd and low pressure difference linear voltage regulator 20.
Described wake module 60 specifically comprises: first to fourth diode D1, D2, D3, D4, first to fourth resistance R 1, R2, R3, R4, the first triode Q1, the second triode Q2 and capacitor C, and in circuit, the quantity of diode is according to the quantity relative set of button, described the first diode D1 has the first anode and the first negative electrode, one end of described the first negative electrode and the 3rd resistance R 3 is electrically connected, the described first anode and rising button 42 are electrically connected, described the second diode D2 has second plate and the second negative electrode, one end of described the second negative electrode and the 3rd resistance R 3 is electrically connected, described second plate and decline button 44 are electrically connected, described the 3rd diode D3 has third anode and the 3rd negative electrode, one end of described the 3rd negative electrode and the 3rd resistance R 3 is electrically connected, described third anode and automatic keying 46 are electrically connected, described the 4th diode D4 has the 4th anode and the 4th negative electrode, one end of described the 4th negative electrode and the 3rd resistance R 3 is electrically connected, described the 4th anode and ignition signal source 48 are electrically connected, described the first triode Q1 has the first base stage e, the first colelctor electrode c and the first emitter stage b, described the second triode Q2 has the second base stage e, the second colelctor electrode c and the second emitter stage b, the other end of described the 3rd resistance R 3 respectively with the first base stage e, one end of the first resistance R 1, one end of capacitor C, and second colelctor electrode c be electrically connected, described the first colelctor electrode c is used for connecting LIN bus 80, described the second colelctor electrode c respectively with one end of the second resistance R 2, and one end of the 4th resistance R 4 is electrically connected, the other end of described the 4th resistance R 4 is for being electrically connected with micro-control unit 30, described the first emitter stage b, the second emitter stage b, the other end of the first resistance R 1, the other end of capacitor C, and the other end of the second resistance R 2 is all electrically connected with ground wire.Described first to fourth diode D1, D2, D3, D4 are used for preventing that electric current from flowing to key switch 40 from wake module 60; Described capacitor C, for voltage stabilizing, keeps the stable of the upper voltage of first diode Q1 the first base stage e; Described the first triode Q1 is for the of short duration level dragging down in LIN bus 80; Described the second triode Q2 is in the time of electronic control unit normal mode of operation, apply a voltage to by micro-control unit 30 on the second base stage e of the second triode Q2, make the second triode Q2 conducting, thereby realize the object of forbidding wake module 60, prevent under normal mode of operation, the control signal that key switch 40 and ignition signal source 48 produce is disturbed LIN bus 80.
Concrete control principle: in the time that certain button in key switch 40 is triggered, high level on this button being triggered can see through some corresponding diodes and the 3rd resistance R 3 and be applied to the first base stage e of the first triode Q1, this first triode Q1 conducting, the of short duration level dragging down in LIN bus 80, when LIN bus 80 is in the time transferring low level trailing edge control to by high level, this trailing edge wakes network transceivers 10 up, described network transceivers 10 transfers normal mode of operation to by sleep pattern, wake low pressure difference linear voltage regulator 20 up by network transceivers 10 again, this low pressure difference linear voltage regulator 20 applies the power pins Vdd of driving voltage to micro-control unit 30, this micro-control unit 30 transfers normal mode of operation to by sleep pattern, thereby the function of the button that response is triggered.After micro-control unit 30 enters normal mode of operation, the pin output high level being electrically connected with wake module 60, locked wake module 60, prevents that the control signal that key switch 40 and ignition signal source 48 produce from disturbing LIN bus 80 normally to work.
In the utility model, network transceivers 10, low pressure difference linear voltage regulator 20 and micro-control unit 30 can be and be set to sleep pattern, thereby make the sleep current minimum of the drive circuit of anti-pinch window regulator, reduce energy consumption.
In sum, the drive circuit of anti-pinch window regulator of the present utility model, by the of short duration control signal dragging down in LIN bus of wake module, thereby wake network transceivers up, wake low pressure difference linear voltage regulator up by network transceivers again, this low pressure difference linear voltage regulator applies the power pins of driving voltage to micro-control unit, this micro-control unit transfers normal mode of operation to by sleep pattern, therefore, can be set to sleep pattern by low pressure difference linear voltage regulator, can effectively reduce the sleep total current of anti-pinch vehicle window mid-riser drive circuit, save the energy, meet green low-carbon requirement, meanwhile, can also extend the application life of the element of low pressure difference linear voltage regulator etc., save cost.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model claim.
Claims (4)
1. the drive circuit of an anti-pinch window regulator, it is characterized in that, comprise: network transceivers, low pressure difference linear voltage regulator with described network transceivers electric connection, micro-control unit with described low pressure difference linear voltage regulator electric connection, key switch with described micro-control unit electric connection, ignition signal source with described micro-control unit electric connection, wake module with described micro-control unit electric connection, and power module, described wake module also respectively with key switch, ignition signal source and LIN bus are electrically connected, described network transceivers is also electrically connected with LIN bus, described power module is electrically connected with network transceivers and low pressure difference linear voltage regulator respectively, described wake module is for waking the network transceivers in sleep pattern up.
2. the drive circuit of anti-pinch window regulator as claimed in claim 1, is characterized in that, described key switch comprises: rising button, decline button and automatic keying.
3. the drive circuit of anti-pinch window regulator as claimed in claim 2, is characterized in that, described wake module comprises: first to fourth diode, first to fourth resistance, the first triode, the second triode and electric capacity, described the first diode has the first anode and the first negative electrode, one end of described the first negative electrode and the 3rd resistance is electrically connected, the described first anode and rising button are electrically connected, described the second diode has second plate and the second negative electrode, one end of described the second negative electrode and the 3rd resistance is electrically connected, described second plate and decline button are electrically connected, described the 3rd diode has third anode and the 3rd negative electrode, one end of described the 3rd negative electrode and the 3rd resistance is electrically connected, described third anode and automatic keying are electrically connected, described the 4th diode has the 4th anode and the 4th negative electrode, one end of described the 4th negative electrode and the 3rd resistance is electrically connected, described the 4th anode and ignition signal source are electrically connected, described the first triode has the first base stage, the first colelctor electrode and the first emitter stage, described the second triode has the second base stage, the second colelctor electrode and the second emitter stage, the other end of described the 3rd resistance respectively with the first base stage, one end of the first resistance, one end of electric capacity, and second colelctor electrode be electrically connected, described the first colelctor electrode is used for connecting LIN bus, described the second colelctor electrode respectively with one end of the second resistance, and one end of the 4th resistance is electrically connected, the other end of described the 4th resistance is for being electrically connected with micro-control unit, described the first emitter stage, the second emitter stage, the other end of the first resistance, the other end of electric capacity, and the other end of the second resistance is all electrically connected with ground wire.
4. the drive circuit of anti-pinch window regulator as claimed in claim 1, is characterized in that, described micro-control unit has a power pins, and described micro-control unit is electrically connected by this power pins and low pressure difference linear voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647899.7U CN203603669U (en) | 2013-10-18 | 2013-10-18 | Driving circuit of anti-pinch car window lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647899.7U CN203603669U (en) | 2013-10-18 | 2013-10-18 | Driving circuit of anti-pinch car window lifter |
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| Publication Number | Publication Date |
|---|---|
| CN203603669U true CN203603669U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647899.7U Expired - Fee Related CN203603669U (en) | 2013-10-18 | 2013-10-18 | Driving circuit of anti-pinch car window lifter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049549A (en) * | 2014-06-16 | 2014-09-17 | 天地融科技股份有限公司 | Electricity-saving control circuit and electronic equipment |
| CN104049717A (en) * | 2014-06-16 | 2014-09-17 | 天地融科技股份有限公司 | Power saving control circuit and electronic equipment |
| CN107436235A (en) * | 2017-08-29 | 2017-12-05 | 芜湖莫森泰克汽车科技股份有限公司 | A kind of LIN modulars pinch resistant type glass lifter detector |
-
2013
- 2013-10-18 CN CN201320647899.7U patent/CN203603669U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049549A (en) * | 2014-06-16 | 2014-09-17 | 天地融科技股份有限公司 | Electricity-saving control circuit and electronic equipment |
| CN104049717A (en) * | 2014-06-16 | 2014-09-17 | 天地融科技股份有限公司 | Power saving control circuit and electronic equipment |
| CN104049717B (en) * | 2014-06-16 | 2017-02-22 | 天地融科技股份有限公司 | Power saving control circuit and electronic equipment |
| CN104049549B (en) * | 2014-06-16 | 2017-04-19 | 天地融科技股份有限公司 | Electricity-saving control circuit and electronic equipment |
| CN107436235A (en) * | 2017-08-29 | 2017-12-05 | 芜湖莫森泰克汽车科技股份有限公司 | A kind of LIN modulars pinch resistant type glass lifter detector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20201018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |