CN102664436A - Emergency power supply for vehicle - Google Patents
Emergency power supply for vehicle Download PDFInfo
- Publication number
- CN102664436A CN102664436A CN2012101458889A CN201210145888A CN102664436A CN 102664436 A CN102664436 A CN 102664436A CN 2012101458889 A CN2012101458889 A CN 2012101458889A CN 201210145888 A CN201210145888 A CN 201210145888A CN 102664436 A CN102664436 A CN 102664436A
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- triode
- diode
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- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims abstract description 10
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000036772 blood pressure Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an emergency power supply for a vehicle, comprising a power supply, a vehicle body battery, a diode, a triode, a power supply battery, a button, a capacitor, a resistor, a voltage stabilizing tube, a voltage stabilizer, a timer and a light-emitting tube. The emergency power supply is respectively connected with an IN end of the vehicle body battery and a GND (Ground) end of the vehicle body battery; the IN end of the vehicle body battery is connected with an anode of the diode D3; and a cathode of the diode D3 is respectively connected with an anode of the power supply BT1, one end of the button AN, a normally-open point pin 4 of a relay J2 and a public pin 3 of a relay J1. When the electric power of the emergency power supply in the vehicle body battery is sufficient, the emergency power supply can be automatically charged; when the emergency power supply is lack of power, the power can be supplied to an electric control system at regular time so as to guarantee the electric control system to normally work; and the period of the time at the regular time can be adjusted the according to the actual power utilization amount of the electric control system, so as to guarantee that the emergency power supply is not lack of power.
Description
Technical field
The present invention relates to a kind of power supply, be specifically related to a kind of Vehicular emergency power source.
Background technology
Electric-control system is the core component of modern engine, whole duty parameters of its control, the whole engine of monitoring; Power supply is to guarantee the necessary condition of electric-control system operate as normal.Generally, electric-control system is supplied power by generator and the parallel connection of car body storage battery, if generator breaks down, can not deposit electricity to the car body storage battery, and overdischarge can appear in the car body storage battery, causes battery voltage to reduce, and electric-control system can not operate as normal.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Vehicular emergency power source, and this power supply charges when car body storage battery electric weight is sufficient automatically; When power shortage appears in the car body storage battery, can carry out the power supply of timing section to electric-control system, guarantee the electric-control system operate as normal.
Technical scheme of the present invention: a kind of Vehicular emergency power source; It comprises power supply, car body storage battery, diode, triode, power-supply battery, button, electric capacity, resistance, voltage-stabiliser tube, pressurizer, timer and luminous tube; Emergency power supply is connected with the IN end of car body storage battery, the GND end of car body storage battery respectively; The IN end of car body storage battery is connected with the positive pole of diode D3; The negative pole of diode D3 is connected with power-supply battery BT1 positive pole, the end of button AN, the pin normal battles 4 of relay J 2, public pin 3 pin of relay J 1 respectively, and the negative pole of power-supply battery BT1 is connected with GND, and the other end of button AN is connected with common port 3 pin of output signal OUT, relay J 2 respectively; The IN end of car body storage battery is connected with the positive pole of capacitor C 1, the negative pole of voltage-stabiliser tube Z1 through diode D1; The positive pole of voltage-stabiliser tube Z1 is connected with resistance R 2; Resistance R 2 is connected with earth terminal GND with resistance R 12 series connection backs, forms branch pressure voltage signal V1, and the negative pole of capacitor C 1 is connected with earth terminal GND; Branch pressure voltage signal V1 is connected with the B pin of triode N4; The E pin of triode N4 is connected with earth terminal GND; The C pin of triode N4 is connected with control pin 1 pin of relay J 2; Supply pin 2 pin of the J2 of relay are connected with car body storage battery IN end, and the positive pole of diode D2 is connected with control pin 1 pin of relay J 2, and negative pole is connected with the IN end of car body storage battery; Normally closed point 5 pin of relay J 2 are respectively with supply pin 2 pin of resistance R 4, relay J 1, often the make war negative pole of 5 pin, diode D4 is connected; The other end of resistance R 4 respectively with the input pin Vin of pressurizer U3; The positive pole of diode D4 is connected with control pin 1 pin of relay J 1; The GND pin of pressurizer U3 is connected with system earth end GND, and the output pin 5V pin of pressurizer U3 is connected with the supply pin 5V of the positive pole of capacitor C 2, resistance R 11, resistance R 1, timer U2 respectively, and the negative pole of capacitor C 2 is connected with earth terminal GND; Resistance R 11 is connected with the positive pole of luminous tube L1, and the negative pole of L1 is connected with earth terminal GND; 1,2,3,4 or 5 heels of timer U2 are connected with control switch K1 according to length regularly; Control switch K1 is connected with the B pin of triode N1 through resistance R 9; The E pin of triode N1 is connected with earth terminal GND, and the C pin of triode N1 is connected with resistance R 1, resistance R 3 respectively, and the other end of resistance R 3 is connected with the B pin of triode N3; The E pin of triode N3 is connected with earth terminal GND, and the C pin of triode N1 is connected with control pin 1 pin of relay J 1.
The present invention compared with prior art has following beneficial effect: this emergency power supply can charge when car body storage battery electric weight is sufficient automatically; When power shortage appears in the car body storage battery, can carry out the power supply of timing section to electric-control system, guarantee the electric-control system operate as normal; Regularly section time length can be adjusted according to the actual power consumption of electric-control system, guarantees that emergency power supply self power shortage can not occur.
Description of drawings
Fig. 1 is a circuit diagram of the present invention.
Embodiment
A kind of Vehicular emergency power source; As shown in Figure 1; It comprises power supply, car body storage battery, diode, triode, power-supply battery, button, electric capacity, resistance, voltage-stabiliser tube, pressurizer, timer and luminous tube; Emergency power supply is connected with the IN end of car body storage battery, the GND end of car body storage battery respectively, and the IN end of car body storage battery is connected with the positive pole of diode D3, and the negative pole of diode D3 is connected with power-supply battery BT1 positive pole, the end of button AN, the pin normal battles 4 of relay J 2, public pin 3 pin of relay J 1 respectively; The negative pole of power-supply battery BT1 is connected with GND, and the other end of button AN is connected with common port 3 pin of output signal OUT, relay J 2 respectively; The IN end of car body storage battery is connected with the positive pole of capacitor C 1, the negative pole of voltage-stabiliser tube Z1 through diode D1; The positive pole of voltage-stabiliser tube Z1 is connected with resistance R 2; Resistance R 2 is connected with earth terminal GND with resistance R 12 series connection backs, forms branch pressure voltage signal V1, and the negative pole of capacitor C 1 is connected with earth terminal GND; Branch pressure voltage signal V1 is connected with the B pin of triode N4; The E pin of triode N4 is connected with earth terminal GND; The C pin of triode N4 is connected with control pin 1 pin of relay J 2; Supply pin 2 pin of the J2 of relay are connected with car body storage battery IN end, and the positive pole of diode D2 is connected with control pin 1 pin of relay J 2, and negative pole is connected with the IN end of car body storage battery; Normally closed point 5 pin of relay J 2 are respectively with supply pin 2 pin of resistance R 4, relay J 1, often the make war negative pole of 5 pin, diode D4 is connected; The other end of resistance R 4 respectively with the input pin Vin of pressurizer U3; The positive pole of diode D4 is connected with control pin 1 pin of relay J 1; The GND pin of pressurizer U3 is connected with system earth end GND, and the output pin 5V pin of pressurizer U3 is connected with the supply pin 5V of the positive pole of capacitor C 2, resistance R 11, resistance R 1, timer U2 respectively, and the negative pole of capacitor C 2 is connected with earth terminal GND; Resistance R 11 is connected with the positive pole of luminous tube L1, and the negative pole of L1 is connected with earth terminal GND; 1,2,3,4 or 5 heels of timer U2 are connected with control switch K1 according to length regularly; Control switch K1 is connected with the B pin of triode N1 through resistance R 9; The E pin of triode N1 is connected with earth terminal GND, and the C pin of triode N1 is connected with resistance R 1, resistance R 3 respectively, and the other end of resistance R 3 is connected with the B pin of triode N3; The E pin of triode N3 is connected with earth terminal GND, and the C pin of triode N1 is connected with control pin 1 pin of relay J 1.
As car body battery power signal IN>during 18V, IN gives power-supply battery BT1 charging through anti-reverse diode D3; Simultaneously; IN forms voltage signal V2 (IN-V2=0.7V) through anti-reverse diode D1 on filter capacitor C1; Voltage signal V2 forms voltage V3 through lowering and stabilizing blood pressure pipe Z1, and voltage V3 signal forms voltage V1 (> 0.7V through resistance R 2, resistance R 12 dividing potential drops), voltage V1 control triode N4 saturation conduction; The C pin of triode N4 becomes low level (< 0.2V); Apply operating voltage on supply pin 2 pin of relay J 2, control pin 1 pin greater than 18V, relay J 2 common ports 3 pin and the normal 4 pin adhesives of making war, cell voltage signal IN is through pin normal battles 4, common port 3 pin of anti-reverse diode D3, relay J 2; To output voltage signal OUT, supply power to electric-control system; Diode D2 is connected between supply pin 2 pin, control pin 1 pin of relay J 2 coils, plays exergonic protective effect during to relay J 2 outages.
As car body battery power signal IN during less than 18V, the branch pressure voltage V1 that IN forms through anti-reverse diode D1, lowering and stabilizing blood pressure pipe Z1, divider resistance R2, resistance R 12 (< 0.7V), triode N4 by; The C pin of triode N4 becomes high level; The voltage that applies on relay 2 pin, 1 pin is less than the adhesive operating voltage of relay, not adhesive of relay, and common port 3 pin and normally closed point 5 pin are connected; Output signal OUT no-voltage signal can not be supplied power to electric-control system.If need carry out emergency service this moment to control system, click button AN (no self-locking button), the voltage signal V4 on the battery BT1 forms voltage V5 through common port 3 pin of relay J 2, normally closed point 5 pin simultaneously through button AN output OUT; Timer U2 is given in the voltage stabilizing output that voltage signal V5 forms 5V for pressurizer U3 power supply through resistance R 4 power supply, and timer U2 begins to carry out timing working; At 1 pin (or 2,3,4,5 pin) output low level signal; Through current-limiting resistance R9 control triode N1 by, the C pin of triode N1 forms high level signal (> 3.5V through pull-up resistor R1), this level signal is through current-limiting resistance R3 control triode N3 saturation conduction; Form low level on the triode C pin; Voltage signal V5 makes relay J 1 adhesive through the control pin of relay J 1, and voltage signal V5 is through 5 pin, 3 pin, 5 pin of relay J 2,3 pin of relay J 1 simultaneously, and output voltage signal is to OUT; In this process, button AN only provides trigger voltage signal, is not a normal open signal, and main effect is to make relay J 1 accomplish the adhesive self-locking, accomplishes the output of battery voltage signal.When the timer timing time then, timer 1 pin (or 2,3,4,5 pin) output high level signal (> 3.5V), through current-limiting resistance R9 control triode N1 saturation conduction; The C pin output low level of triode N1, through linear flow resistance R 3 control triode N3 by, C pin output high level; Relay J 1 is broken off, and battery signal V4 no longer can be through 3 pin, 5 pin of relay J 1, output signal OUT no-voltage; Stop also to have cut off the power supply to pressurizer U3 simultaneously to the controller power supply, timer quits work; System accomplishes a complete course of work, returns to initial condition; Whether current-limiting resistance R11, luminous tube L1 are used to indicate timer to work, and diode D2 is connected between 2 pin, 1 pin of relay J 1 coil, plays exergonic protective effect when relay is cut off the power supply.
Claims (1)
1. Vehicular emergency power source; It comprises power supply, car body storage battery, diode, triode, power-supply battery, button, electric capacity, resistance, voltage-stabiliser tube, pressurizer, timer and luminous tube; It is characterized in that emergency power supply is connected with the IN end of car body storage battery, the GND end of car body storage battery respectively; The IN end of car body storage battery is connected with the positive pole of diode D3; The negative pole of diode D3 is connected with power-supply battery BT1 positive pole, the end of button AN, the pin normal battles 4 of relay J 2, public pin 3 pin of relay J 1 respectively, and the negative pole of power-supply battery BT1 is connected with GND, and the other end of button AN is connected with common port 3 pin of output signal OUT, relay J 2 respectively; The IN end of car body storage battery is connected with the positive pole of capacitor C 1, the negative pole of voltage-stabiliser tube Z1 through diode D1; The positive pole of voltage-stabiliser tube Z1 is connected with resistance R 2; Resistance R 2 is connected with earth terminal GND with resistance R 12 series connection backs, forms branch pressure voltage signal V1, and the negative pole of capacitor C 1 is connected with earth terminal GND; Branch pressure voltage signal V1 is connected with the B pin of triode N4; The E pin of triode N4 is connected with earth terminal GND; The C pin of triode N4 is connected with control pin 1 pin of relay J 2; Supply pin 2 pin of the J2 of relay are connected with car body storage battery IN end, and the positive pole of diode D2 is connected with control pin 1 pin of relay J 2, and negative pole is connected with the IN end of car body storage battery; Normally closed point 5 pin of relay J 2 are respectively with supply pin 2 pin of resistance R 4, relay J 1, often the make war negative pole of 5 pin, diode D4 is connected; The other end of resistance R 4 respectively with the input pin Vin of pressurizer U3; The positive pole of diode D4 is connected with control pin 1 pin of relay J 1; The GND pin of pressurizer U3 is connected with system earth end GND, and the output pin 5V pin of pressurizer U3 is connected with the supply pin 5V of the positive pole of capacitor C 2, resistance R 11, resistance R 1, timer U2 respectively, and the negative pole of capacitor C 2 is connected with earth terminal GND; Resistance R 11 is connected with the positive pole of luminous tube L1, and the negative pole of L1 is connected with earth terminal GND; 1,2,3,4 or 5 heels of timer U2 are connected with control switch K1 according to length regularly; Control switch K1 is connected with the B pin of triode N1 through resistance R 9; The E pin of triode N1 is connected with earth terminal GND, and the C pin of triode N1 is connected with resistance R 1, resistance R 3 respectively, and the other end of resistance R 3 is connected with the B pin of triode N3; The E pin of triode N3 is connected with earth terminal GND, and the C pin of triode N1 is connected with control pin 1 pin of relay J 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145888.9A CN102664436B (en) | 2012-05-12 | 2012-05-12 | Vehicular emergency power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145888.9A CN102664436B (en) | 2012-05-12 | 2012-05-12 | Vehicular emergency power source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102664436A true CN102664436A (en) | 2012-09-12 |
| CN102664436B CN102664436B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210145888.9A Expired - Fee Related CN102664436B (en) | 2012-05-12 | 2012-05-12 | Vehicular emergency power source |
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| Country | Link |
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| CN (1) | CN102664436B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475219A (en) * | 2013-09-15 | 2013-12-25 | 中国北方发动机研究所(天津) | Wide power source low dropout voltage regulator circuit |
| CN108427084A (en) * | 2018-06-20 | 2018-08-21 | 福建吉艾普光影科技有限公司 | A kind of magnet poles rapid detection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007143007A2 (en) * | 2006-05-31 | 2007-12-13 | Steven Lynn Batdorff | Recharging power source with lighting accessory |
| CN201430458Y (en) * | 2009-03-31 | 2010-03-24 | 任佳宝 | Multi-purpose charge controller with automatic power-off function |
| CN102340168A (en) * | 2010-07-23 | 2012-02-01 | 朴昌浩 | Portable emergency starting power supply |
-
2012
- 2012-05-12 CN CN201210145888.9A patent/CN102664436B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007143007A2 (en) * | 2006-05-31 | 2007-12-13 | Steven Lynn Batdorff | Recharging power source with lighting accessory |
| CN201430458Y (en) * | 2009-03-31 | 2010-03-24 | 任佳宝 | Multi-purpose charge controller with automatic power-off function |
| CN102340168A (en) * | 2010-07-23 | 2012-02-01 | 朴昌浩 | Portable emergency starting power supply |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475219A (en) * | 2013-09-15 | 2013-12-25 | 中国北方发动机研究所(天津) | Wide power source low dropout voltage regulator circuit |
| CN108427084A (en) * | 2018-06-20 | 2018-08-21 | 福建吉艾普光影科技有限公司 | A kind of magnet poles rapid detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102664436B (en) | 2016-04-27 |
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Granted publication date: 20160427 |
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