CN201096050Y

CN201096050Y - Automobile start-up protector

Info

Publication number: CN201096050Y
Application number: CNU2007201051129U
Authority: CN
Inventors: 车满堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-26
Filing date: 2007-10-26
Publication date: 2008-08-06
Anticipated expiration: 2017-10-26

Abstract

The utility model provides an automobile starting protection device which comprises a starting switch and a starting relay, and the utility model is characterized in that an old-fashioned protector composed of R1, R2, C1 and Q1, an engine starting detector composed of D1, R3, R4, R5, C2, Q2 and J1 and a self-keeper composed of R6, R7 and T1 are connected between the starting switch and the starting relay. The utility model can causes an engine to enter the state of automatic start after a driver rotates an ignition key to an enable position, and the utility model can prevent the wobble when starting and protect a starter from being attacked. When a vehicle cannot start because of faults, a starting circuit cuts automatically to avoid disadvantages brought by that the driver causes the key to be in an enable position for a long time, and when the vehicle does not have faults, the starting electric power is cut automatically after the engine starts to prevent the secondary start resulted form false actions. The automobile starting protection device has the advantages of simple structure, stable operation, reliable performance and long service life.

Description

The automobile starting protective gear

Technical field

The utility model relates to a kind of automobile initiating means, and especially a kind of automobile initiating means with protective function belongs to auto parts machinery design and manufacturing technology field.

Background technique

Along with the progress and the science and technology development of society, people's living standard obtains bigger raising, and the private savings car owning amount significantly increases.Meanwhile, along with the driving population constantly enlarges, the driving level exists serious height not wait, and existing auto parts machinery is existed because of misoperation causes the problem damaged, not only strengthens car owner's use maintenance cost, returns safety traffic and brings hidden danger.It is more wherein to go wrong with automobile initiating means: promptly need only key to enable position, no matter which kind of travelling state vehicle is in, starting drive is promptly started working, not only easily cause long, easily generation shake of startup starting time, and most serious of all can be because of restarting damages gear, existing motor car engine requires its noise little simultaneously, when the driver is not when noting very much, be difficult to judge whether motor starts, so be prone to the problem of damaging gear because of restarting.Therefore, be necessary fully prior art is improved, control automobile with the personnel that satisfy different driving levels.

Summary of the invention

Shake impact greatly for overcoming length starting time, the startup that have the automobile initiating means existence now; even cause deficiencies such as gear damage because of restarting; the utility model promptly changes automatic protection over to after a kind of startup is provided, and prevents the automobile starting protective gear of restarting.

The utility model is realized by following technical proposal: a kind of automobile starting protective gear; comprise enable switch and starting relay; it is characterized in that between enable switch and starting relay, being connected with the out-of-date protector that constitutes by R1, R2, C1 and Q1; and engine start detector that constitutes by D1, R3, R4, R5, C2, Q2 and J1 and the self-sustaining device that constitutes by R6, R7 and T1.

R1 one end of described out-of-date protector links to each other with starting relay; the other end links to each other with C1, R2 one end respectively; the R2 the other end links to each other with triode Q1 base stage; second grade of ACC2 of Q1 emitter and power switch links to each other; to guarantee to start fully; and when developing engine trouble, make circuit automatically return to not starting state; so that start once more; the a series of problems such as long-time startup that prevent that engine start is unsuccessful and bring are reminded driver's vehicle launch difficulty to search problem as early as possible simultaneously or are sent maintenance.

The D1 one termination chargable lamp contact C of described engine start detector, the other end links to each other with R4 one end, R5 one end, C2 one end respectively by R3, another termination triode of R5 Q2 base stage, Q2 collector connecting relay coil J, emitter connect the Q1 collector electrode, so that after engine start success and the operation, turn-off by D1, make R4 charge to C2, and then close Q2, relay contact switch J1 is disconnected, effectively prevent because of misoperation, misoperation or think that motor does not start the generation that causes rough sledding such as restarting by mistake.

The R6 one end ground connection of described self-sustaining device, the other end connects the key enable switch respectively and connects the controllable silicon T1 control utmost point by R7, and the T1 anode is succeeded electric apparatus coil J, minus earth, so that during ato unit, key enable switch voltage is raise, and then it is electric that T1 conducting, relay coil J are got, contact switch J1 adhesive, starting relay work, but then ato unit work simultaneously by the effect of T1, prevents that effectively startup from taking place to shake and starting drive is impacted.

Also be connected with the supplementary device that constitutes by diode D2, C3 and C4 between described enable switch and the starting relay; wherein the two ends of electric apparatus coil J are succeeded at the diode D2 two ends of supplementary device respectively; the C3 positive pole connects Q2 emitter and Q1 collector electrode; negative pole meets C4 and starting relay contact D respectively; with the protection triode; flash when avoiding J1 to turn-off, prolong J1 working life.

The utility model compared with prior art has following advantage and effect: adopt such scheme, can rotate ignition key to enable position the driver, make motor promptly enter automatic starting state, the shake in the time of preventing to start simultaneously, the protection starting drive is avoided impacting; And when vehicle trouble can not start, automatic disconnection starting circuit then, with avoid the driver for a long time key is placed on enable position do not put and bring unfavorable; When the vehicle fault-free; then after the engine start success; promptly cut off automatically and start power supply; prevent the restarting that causes because of misoperation; the utility model is a vehicle auxiliary protection device simultaneously; imperceptible its existence when driver's normal running, and it can effectively be protected automobile when driver's misoperation.The utlity model has characteristics such as simple in structure, working stability, reliable performance, long service life.

Description of drawings

Fig. 1 is the circuit structure diagram of the utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model being done a step describes.

The utility model is connected with between existing enable switch and starting relay by resistance R 1, R2; the out-of-date protector that capacitor C 1 and triode Q1 constitute; and by light emitting diode D1; resistance R 3, R4, R5; capacitor C 2; engine start detector that triode Q2 and relay contact switch J1 constitute and the self-sustaining device that constitutes by resistance R 6, R7 and controllable silicon T1.Wherein, R1 one end of out-of-date protector links to each other with starting relay contact D, and the other end links to each other with C1, R2 one end respectively, and the R2 the other end links to each other with triode Q1 base stage, and second grade of ACC2 contact of Q1 emitter and power switch A links to each other; The D1 one termination chargable lamp contact C of engine start detector, the other end links to each other with R4 one end, R5 one end, C2 one end respectively by R3, another termination triode of R5 Q2 base stage, Q2 collector connecting relay coil J, emitter connect the Q1 collector electrode; The R6 one end ground connection B of self-sustaining device, the other end meet key enable switch contact E respectively and connect the controllable silicon T1 control utmost point by R7, and the T1 anode is succeeded electric apparatus coil J, minus earth B; Also be connected with the supplementary device that constitutes by diode D2, capacitor C 3 and C4 between enable switch and the starting relay, wherein the two ends of electric apparatus coil J are succeeded at the diode D2 two ends of supplementary device respectively, the C3 positive pole connects Q2 emitter and Q1 collector electrode, and negative pole meets C4 and starting relay contact D respectively, as Fig. 1.Its working principle is:

1, do not insert when automobile key, or when OFF and first grade of ACC1, the device no electric circuit.

2, turn to power supply when opening second grade of ACC2 when automobile key, device energising A point voltage is 12V: because of starting relay D point voltage is 0V, capacitor C 1 is uncharged, and the F point is a low voltage, presses triode characteristic Q1 conducting, and the K point voltage is 12V; Chargable lamp contact C voltage is 0V in addition, the G point voltage is pulled to higher approximately than C point voltage, but still be low voltage, Q2 conducting this moment, the H point voltage is 12V, is 0V because of key enable switch contact E voltage simultaneously, T1 can not conducting, the I point voltage also is 12V, and relay coil J must not be electric, not adhesive of contact switch J1.

3, when automobile key turns to the third gear ato unit, key enable switch E point voltage is 12V, the T1 conducting, and the I point voltage becomes 0V, J gets, J1 adhesive, D point voltage are 12V, ato unit, press controllable silicon T1 characteristic simultaneously, no matter whether key enable switch E point voltage is 12V, T1 all keeps conducting, thereby prevents to start the impact of shaking to starting drive.

4, after the automobile engine starting success, chargable lamp contact C voltage raises, and this moment, D1 ended, and the G point voltage is 12V after by R4 C2 being charged about 1 second, and Q2 closes, and relay contact switch T1 disconnects, and startup is finished.And as long as not flame-out this state of motor will keep for a long time.Thereby after preventing the engine start success, new hand is turning round the long-time startup that key is not put, and thinks by mistake motor not start and the generation of minor benefit situations such as restarting.

5, hinder for some reason can not start the time when motor car engine, chargable lamp contact C voltage is always low voltage, and the G point voltage also is low voltage. and this moment, Q2 kept conducting. and relay contact switch J1 remains closed; Simultaneously starting relay contact D voltage is 12V and by R1 C1 is charged, and after several seconds, the F point voltage becomes high voltage, Q1 closes, and relay contact switch J1 disconnects, and the D point voltage becomes 0V again, circuit automatically returns to not starting state, waits for driver's startup once more.Thereby the driver is turning round the long-time startup that key is not put when preventing that engine start is unsuccessful, reminds driver's vehicle launch difficulty inspection and maintenance as early as possible simultaneously.

Claims

1, a kind of automobile starting protective gear; comprise enable switch and starting relay; it is characterized in that between enable switch and starting relay, being connected with the out-of-date protector that constitutes by R1, R2, C1 and Q1; and engine start detector that constitutes by D1, R3, R4, R5, C2, Q2 and J1 and the self-sustaining device that constitutes by R6, R7 and T1.

2, automobile starting protective gear according to claim 1; R1 one end that it is characterized in that described out-of-date protector links to each other with starting relay; the other end links to each other with C1, R2 one end respectively, and the R2 the other end links to each other with triode Q1 base stage, and second grade of ACC2 of Q1 emitter and power switch links to each other.

3, automobile starting protective gear according to claim 1; the D1 one termination chargable lamp contact C that it is characterized in that described engine start detector; the other end links to each other with R4 one end, R5 one end, C2 one end respectively by R3; another termination triode of R5 Q2 base stage, Q2 collector connecting relay coil J, emitter connect the Q1 collector electrode.

4, automobile starting protective gear according to claim 1 is characterized in that the R6 one end ground connection of described self-sustaining device, the other end connect the key enable switch respectively and connects the controllable silicon T1 control utmost point by R7, and the T1 anode is succeeded electric apparatus coil J, minus earth.

5, automobile starting protective gear according to claim 1; it is characterized in that also being connected with between described enable switch and the starting relay supplementary device that constitutes by diode D2, C3 and C4; wherein the two ends of electric apparatus coil J are succeeded at the diode D2 two ends of supplementary device respectively; the C3 positive pole connects Q2 emitter and Q1 collector electrode, and negative pole meets C4 and starting relay contact D respectively.