CN101546171B - Vehicle power supply time-delay device - Google Patents
Vehicle power supply time-delay device Download PDFInfo
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- CN101546171B CN101546171B CN2009100297483A CN200910029748A CN101546171B CN 101546171 B CN101546171 B CN 101546171B CN 2009100297483 A CN2009100297483 A CN 2009100297483A CN 200910029748 A CN200910029748 A CN 200910029748A CN 101546171 B CN101546171 B CN 101546171B
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- triode
- resistance
- capacitor
- diode
- power supply
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Abstract
The invention discloses a vehicle power supply time-delay device comprising a power converter system and a control circuit, wherein the anode of a diode D2 of the control circuit is connected with a power supply +24V, and the cathode of the diode D2 is connected with the anode of a capacitor CD2, one end of a resistor R4 and the emitting electrode of an audion Q3; the collecting electrode of the audion Q3 is connected with a stabilized-voltage integrated circuit, and the base electrode of the audion Q3 is connected with the other end of the resistor R4; one end of a resistor R3 is connected with the base electrode of the audion Q3, and the other end is connected with the collecting electrodes of an audion Q2 and an audion Q1; the emitting electrode of the audion Q1 is connected with the base electrode of the audion Q2; one end of a resistor R2 is connected with the base electrode of the audion Q1 and one end of a resistor R1; the other end of the resistor R1 is connected with the anode of a capacitor CD1 and the cathode of a diode D1; the anode of the diode D1 is connected with the vehicle power supply +24V; and the cathode of the capacitor CD2, the cathode of the capacitor CD1, the other end of the resistor R2 and the emitting electrode of the audion Q2 are all earthed.
Description
Affiliated skill is stated the field
The present invention relates to a kind of vehicle power supply time-delay device.
Background technology
In the existing vehicle, all contain the Motronic control maps control device as passenger vehicle etc., be also referred to as engine controller (ECU), the power supply of this controller (ECU) is provided by the supply convertor system.The input end of supply convertor system links with automobile-used storage battery, its output terminal links to each other with engine controller (ECU).The supply convertor system contains integrated regulator, and this circuit is when system powers, and supply convertor system start-up is worked.Vehicle is after car load stops, and the electronic module data storing of engine controller (ECU) needs about 20 seconds time, and the automobile-used storage battery of existing vehicle is powered to engine controller (ECU) by the supply convertor system always.In fact, the electronic module data storing of engine controller (ECU) only needs about 20 seconds time, and existing automobile-used storage battery is passing through the supply convertor system always and is powering to engine controller (ECU), so not only cause storage battery to consume for a long time and produce electric leakage, and cause vehicle to be difficult to start and make the storage battery lost of life.
Summary of the invention
The skill that the present invention will solve is stated problem and is provided a kind of vehicle power supply time-delay device, it not only can make the electronic module data of engine controller (ECU) obtain storing, and can make automobile-used storage battery obtain storing the automatic power supply of cutting off to the supply convertor system in back in the electronic module data of engine controller (ECU).
In order to solve the problems of the technologies described above, a kind of vehicle power supply time-delay device of the present invention comprises the supply convertor system, and this system contains integrated regulator U
1, input end, output terminal, also comprise control circuit, this circuit comprises diode D
2, capacitor C D
2, resistance R
4, resistance R
3, triode Q
3, diode D
1, capacitor C D
1, resistance R
1, resistance R
2, triode Q
2, triode Q
1, diode D
2Positive pole have power supply+24V to link to each other with car, diode D
2Negative pole and capacitor C D
2Positive pole, resistance R
4An end and triode Q
3Emitter be connected triode Q
3Collector link to each other triode Q with described integrated regulator
3Base stage and resistance R
4The other end be connected resistance R
3One end and triode Q
3Base stage link to each other, the other end and triode Q
2With triode Q
1Collector be connected triode Q
1Emitter and triode Q
2Base stage be connected resistance R
2An end and triode Q
1Base stage link to each other and should end and resistance R
1One end links to each other, resistance R
1The other end and capacitor C D
1Positive pole and diode D
1Negative pole is connected, diode D
1Anodal have power supply+24V to link to each other by key switch and car, capacitor C D
2, negative pole, capacitor C D
1Negative pole, resistance R
2The other end and triode Q
2The equal ground connection of emitter, capacitor C D
1Discharge time be the delay working time of supply convertor system, this discharge time can be by adjusting CD
1Capacity and resistance R
1, resistance R
2Resistance adjust.
Owing to increased control circuit, when to diode D
1During power supply, power supply is by diode D
1Give capacitor C D
1Charging, triode Q like this
1With triode Q
2Conducting, triode Q
3Base potential be electronegative potential, triode Q
3Also conducting, power supply on vehicle just can be passed through diode D
2, triode Q
3Give the integrated regulator U in the supply convertor system
1So power supply is this system start-up work.When cutting off to diode D
1During power supply, capacitor C D
1On electric charge pass through resistance R
1, resistance R
2, triode Q
1And triode Q
2Discharge is also kept triode Q
1, triode Q
2Conducting, like this supply convertor system still in running order in, thereby can make the electronic module data of engine controller (ECU) obtain storing.Because of capacitor C D
1On electric charge put fewer and fewer, as capacitor C D
1On electric charge be put into and be lower than triode Q
1, triode Q
2Threshold voltage the time, triode Q
1, triode Q
2End immediately, so triode Q
3Base potential become noble potential, triode Q
3End, power supply on vehicle just can't be given integrated regulator U1 power supply like this, therefore supply convertor system dead electricity quits work, thereby has realized obtaining storing the automatic power supply of cutting off to the supply convertor system in back in the electronic module data of engine controller (ECU).Therefore when this has also overcome prior art and stops because of car load is the electronic module data of store controller (ECU), a direct power supply and cause storage battery to consume for a long time to produce and leak electricity and cause vehicle to be difficult to start and make the deficiency of the storage battery lost of life.
Description of drawings
Accompanying drawing is the circuit theory diagrams of vehicle power supply time-delay device control device of the present invention.
1. supply convertor system, 2. control circuits in the accompanying drawing.
Embodiment
In the accompanying drawing, vehicle power supply time-delay device comprises supply convertor system 1, and this system 1 contains integrated regulator U
1, input end, output terminal, this device also comprises control circuit 2, this circuit 2 comprises diode D
2, capacitor C D
2, resistance R
4, resistance R
3, triode Q
3, diode D
1, capacitor C D
1, resistance R
1, resistance R
2, triode Q
2With triode Q
1Diode D
2Positive pole have power supply+24V to link to each other with car, diode D
2Negative pole and capacitor C D
2Positive pole, resistance R
4An end and triode Q
3Emitter be connected triode Q
3Collector link to each other triode Q with described integrated regulator
3Base stage and resistance R
4The other end be connected resistance R
3One end and triode Q
3Base stage link to each other, the other end and triode Q
2With triode Q
1Collector be connected triode Q
1Emitter and triode Q
2Base stage be connected resistance R
2An end and triode Q
1Base stage link to each other and should end and resistance R
1One end links to each other, resistance R
1The other end and capacitor C D
1Positive pole and diode D
1Negative pole is connected, diode D
1Anodal have power supply+24V to link to each other with car, capacitor C D
2, negative pole, capacitor C D
1Negative pole, resistance R
2The other end and triode Q
2The equal ground connection of emitter.It is that storage battery+24V links to each other that the input end of supply convertor system 1 has power supply with car.In the above-mentioned control circuit 2, diode D
2Be isolating diode, resistance R
4, resistance R
3Be bias supply, capacitor C D
1Discharge time be the delay working time of supply convertor system 1, this discharge time can be by adjusting CD
1Capacity and resistance R
1, resistance R
2Resistance adjust, can prolong several minutes.In practice, diode D
1Positive pole has power supply+24V to link to each other by key switch and car.During work, open key switch, power supply+24V is to diode D
1Power supply, power supply is by diode D
1Give capacitor C D
1Charging is because diode D
1Resistance less, capacitor C D
1Instantaneous time just is charged to triode Q
1With triode Q
2So threshold voltage 1.4V is triode Q
1With triode Q
2Conducting, triode Q
1With triode Q
2Triode Q after the conducting
3Base potential be electronegative potential, triode Q
3Also conducting immediately, power supply on vehicle+24V is just by diode D like this
2, triode Q
3Give the integrated regulator U in the supply convertor system 1
1Power supply, integrated regulator U
1Export stable DC12V to native system, so the 1 startup work of supply convertor system, its output terminal output DC13.8V voltage is powered to engine controller (ECU).When closing key switch, promptly cut off to diode D
1Power supply is because capacitor C D
1On electric charge can not disappear immediately, so capacitor C D
1On electric charge pass through resistance R
1, resistance R
2, triode Q
1And triode Q
2Discharge is also kept triode Q
1, triode Q
2Conducting, like this supply convertor system 1 still in running order in, thereby make the electronic module data of engine controller (ECU) obtain storing.Because of capacitor C D
1On electric charge put fewer and fewer, as capacitor C D
1On electric charge be put into and be lower than triode Q
1, triode Q
2Threshold voltage the time, triode Q
1, triode Q
2End immediately, so triode Q
3Base potential become noble potential, triode Q
3End, like this integrated regulator U
1No DC12V output, supply convertor system 1 dead electricity quits work, thus being connected of realized after the electronic module data of engine controller (ECU) obtain storing, cutting off the electricity supply automatically changer system 1 and power supply.Therefore when also having overcome prior art and stopping because of car load is the electronic module data of store controller (ECU), a direct power supply and cause automobile-used storage battery to consume for a long time to produce and leak electricity and cause vehicle to be difficult to start and make the deficiency of the storage battery lost of life.
Claims (1)
1. a vehicle power supply time-delay device comprises the supply convertor system, and this system contains integrated regulator U
1, input end, output terminal, it is characterized in that: also comprise control circuit, this circuit comprises diode D
2, capacitor C D
2, resistance R
4, resistance R
3, triode Q
3, diode D
1, capacitor C D
1, resistance R
1, resistance R
2, triode Q
2, triode Q
1, diode D
2Positive pole have power supply+24V to link to each other with car, diode D
2Negative pole and capacitor C D
2Positive pole, resistance R
4An end and triode Q
3Emitter be connected triode Q
3Collector link to each other triode Q with described integrated regulator
3Base stage and resistance R
4The other end be connected resistance R
3One end and triode Q
3Base stage link to each other, the other end and triode Q
2With triode Q
1Collector be connected triode Q
1Emitter and triode Q
2Base stage be connected resistance R
2An end and triode Q
1Base stage link to each other and should end and resistance R
1One end links to each other, resistance R
1The other end and capacitor C D
1Positive pole and diode D
1Negative pole is connected, diode D
1Anodal have power supply+24V to link to each other by key switch and car, capacitor C D
2, negative pole, capacitor C D
1Negative pole, resistance R
2The other end and triode Q
2The equal ground connection of emitter, capacitor C D
1Discharge time be the delay working time of supply convertor system, this discharge time can be by adjusting CD
1Capacity and resistance R
1, resistance R
2Resistance adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100297483A CN101546171B (en) | 2009-04-07 | 2009-04-07 | Vehicle power supply time-delay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100297483A CN101546171B (en) | 2009-04-07 | 2009-04-07 | Vehicle power supply time-delay device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101546171A CN101546171A (en) | 2009-09-30 |
| CN101546171B true CN101546171B (en) | 2010-07-28 |
Family
ID=41193344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100297483A Expired - Fee Related CN101546171B (en) | 2009-04-07 | 2009-04-07 | Vehicle power supply time-delay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101546171B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813007B (en) * | 2010-02-24 | 2014-12-10 | 莫嘉林 | Automatic outage delay device |
| CN101977043B (en) * | 2010-08-27 | 2015-08-19 | 莫嘉林 | Recloser |
| CN103716025B (en) * | 2013-12-25 | 2017-04-05 | 同济大学 | A kind of power delay circuit of automobile controller |
| CN104002749A (en) * | 2014-04-29 | 2014-08-27 | 成都丽元电器有限公司 | Novel motorcycle ECU power-off time delay circuit |
| CN105984400B (en) * | 2015-01-30 | 2019-11-26 | 厦门雅迅网络股份有限公司 | A kind of vehicle power supply switching device |
| CN105752001B (en) * | 2016-02-24 | 2018-05-01 | 深圳罗马仕科技有限公司 | Vehicle diagnosing system and vehicle delay down circuit |
-
2009
- 2009-04-07 CN CN2009100297483A patent/CN101546171B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101546171A (en) | 2009-09-30 |
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Granted publication date: 20100728 Termination date: 20160407 |
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