CN201846502U - Automatic electrical control device - Google Patents

Automatic electrical control device Download PDF

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Publication number
CN201846502U
CN201846502U CN2010205094905U CN201020509490U CN201846502U CN 201846502 U CN201846502 U CN 201846502U CN 2010205094905 U CN2010205094905 U CN 2010205094905U CN 201020509490 U CN201020509490 U CN 201020509490U CN 201846502 U CN201846502 U CN 201846502U
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signal
engine
control
power
voltage
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CN2010205094905U
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黎焕欣
林松南
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Abstract

An automatic electrical control device is applied to the controlling to a DRL (Daytime Running Light) or other automotive electronic equipment and is coupled with the DRL (Daytime Running Light) or other automotive electronic equipment, so as to control the turning on or off of the DRL and the automotive equipment, detects whether or not the voltage of a power supply signal of an automobile battery is equivalent to that for starting-up an engine: if yes, a reset signal is output to reset an engine operating judgment circuit, so as to enable the engine operating judgment circuit to judge whether or not an operating ripple exists on the power supply signal; if the operating ripple exists on the power supply signal, a starting-up electric power signal is generated to enable the car electronic equipment to be turned on by an electric control circuit; and a control point detecting circuit is simultaneously used to detect whether or not an automobile main light is turned on, if no, a non-starting-up signal is output to the engine operating judgment circuit, so as to enable the DRL to be turned on by the electric control circuit controlled by the engine operating judgment circuit when the starting-up signal and the non-starting-up signal simultaneously exist.

Description

Automatic electric controller
Technical field
The utility model relates to a kind of electrical automatic control equipment according to the engine running state, relates to particularly that a kind of can to control any be the automatic electric controller of the auto electronic equipment of basic condition with the engine running.
Background technology
In order to safeguard traffic safety, some national regulation vehicles also must be turned on light by day and be travelled, and in order to meet the target of carbon reduction, portable lighter (the Daylight Running Lamps in lower powered daytime that Europe ECE R87 has stipulated to use when travel a kind of daytime, be called for short DRL, the general power that uses is in 5 to 20W scopes), its manner of execution, it can open the ECE R48 of European Union automobile lamp operation rules and regulations behind engine start automatically, and at engine stops or other has same warning usefulness car light (as lampet, far and near lamp or fog lamp) close automatically when opening, to save the energy.And according to ECE R87 laws and regulations requirement, all new cars all need be installed the portable lighter in daytime after 2011 Christian eras, and will take all factors into consideration operating condition the flickering with decision portable lighter in daytime of engine and headlight.Do not install at present the car money of portable lighter in daytime, though have manufacturer's development and use automobile electric switch distribution and headlight distribution state to drive the controller of portable lighter in daytime, yet, because the distribution of electric switch is all buried in instrument board inside, and connection of having nothing in common with each other or configuration, controls in senior vehicle even with vehicular computer, need understand very much the circuit arrangement of vehicle, the portable lighter in daytime could correctly be installed, so the car owner can only ask the practicing engineer of depot to assist to install usually, but mounting cost often incurs a considerable or great expense.
Summary of the invention
The purpose of this utility model is to provide a kind of automatic electric controller, allow the user only need carry out simple electrician's distribution, automatic electric controller can be installed on automobile easily, and allow vehicle open auto electronic equipment automatically, or control portable lighter keying in daytime automatically according to engine running and car owner's lamp situation that flickers according to the engine running situation.
Automatic electric controller of the present utility model, be used for portable lighter in daytime according to the automatic Control of Automobile of engine running situation, this automobile comprises an engine, a battery and car owner's lamp, one power signal of this battery maintains one first voltage when this engine does not turn round, when engine start, drop to second voltage low, and when this engine running, produce a running ripple than this first voltage.This automatic electric controller comprises a control circuit power, an engine start circuit for detecting, an engine running decision circuitry and a control point circuit for detecting.
This control circuit power and this in daytime portable lighter couple to control this portable lighter in daytime and open or close; This engine start circuit for detecting and this battery couple obtaining this power signal, and drop to this second voltage in the voltage that detects this power signal, then export a replacement signal; This engine running decision circuitry and this engine start circuit for detecting couple, and are started by this replacement signal, and judge this running ripple of existence on this power signal, then produce a turns on power signal; This control point circuit for detecting, couple with this car owner's lamp, and judge that according to an electric power signal of this car owner's lamp car owner's lamp is not activated, then export one and do not start signal to this engine running decision circuitry, and this engine running decision circuitry is according to this turns on power signal and do not start signal, controls this control circuit power and opens portable lighter in this in daytime.
The beneficial effects of the utility model are by judging that cell voltage changes and the running ripple of engine judges whether car engine turns round, whether detect car owner's lamp simultaneously opens, to judge the automatic portable lighter in daytime of opening under the situation that engine running and car owner's lamp are closed, as long as and the user carries out simple wiring and portable lighter automatic electric controller in daytime can be installed in the automobile, meet ECE R48 and ECE R87 rules and purpose of being convenient to install and effect and reach the utility model.
In addition, this engine running decision circuitry judges that this power signal does not exist this running ripple and this power signal to be equivalent to this first voltage, promptly exports one and closes the electric power signal and control this control circuit power and close portable lighter in this in daytime.
Moreover, this control point circuit for detecting judges that according to this electric power signal car owner's lamp is activated, then export one and start signal and give this engine running decision circuitry, and this engine running decision circuitry receives this startup signal, promptly export one and close the electric power signal and control this control circuit power and close portable lighter in this in daytime.
In addition, this engine running decision circuitry judges that this power signal is no more than very first time rise more again by this first voltage decline, and should continue existence by the running ripple, promptly judges this engine continuous running, and lasting this turns on power signal that produces.
And, this power signal can maintain a tertiary voltage high than this first voltage when engine running, and this engine running decision circuitry judges that this power signal is continued to descend above not ging up after one second time by this tertiary voltage, and there is not the engine ripple on the power signal, judge that promptly engine shuts down, promptly export one and close the electric power signal and control this control circuit power and close portable lighter in this in daytime.
Preferably, this control point circuit for detecting comprises a positive control contact, one negative control contact, one is just delaying time controls contact and negative delay control contact, one of them is connected this car owner's lamp and this positive control contact or negative control contact to import this electric power signal, this just delaying time control contact or negative delay control contact one of them can accept one and postpone the controlling signal input, and send this startup signal and give this engine running decision circuitry, and this engine running decision circuitry continues to receive that this startup signal surpasses a special time, promptly transmits this and closes the electric power signal and control this control circuit power and close the portable lighter in daytime.
Preferably, this car engine is a gasoline engine that driven by a cigar lighter, one lead-in wire is connected with this cigar lighter, this cigar lighter drives this gasoline engine, can produce an electromagnetic pulse at this lead-in wire, therefore, preferably, this automatic electric controller also comprises the solenoid coil of a circle on this lead-in wire, and it can be responded to this electromagnetic pulse and transmit a sensor signal to this engine running decision circuitry, makes this engine running decision circuitry export this turns on power signal.
Preferably, this engine is a diesel motor, this automatic electric controller comprises that also one is arranged on the vibration detector on this engine, it also can detect the engine sustained vibration and transmit a detection signal and give this engine running decision circuitry when engine running, make this engine running decision circuitry export this turns on power signal.
Preferably, this control circuit power also couples an automobile-used electronic equipment, and this engine running decision circuitry is judged this running ripple of existence on this power signal, then exports this turns on power signal and gives this control circuit power, makes this control circuit power open this electronic equipment.
Effect of the present utility model is by judging that a plurality of sources (cell voltage variation, cigar lighter pulse, vibrating sensor signal) judge whether car engine turns round, to provide electric power to auto electronic equipment, simultaneously under the situation of engine running, provide several input control contacts to accept outside signal input, and the speciality of identification input signal, with whether determine output power give daytime portable lighter, and reach the purpose of automatic control portable lighter in daytime and auto electronic equipment.
Another kind of automatic electric controller of the present utility model, be used for electronic equipment according to the automatic Control of Automobile of engine running situation, this automobile comprises an engine and a battery, one power signal of this battery maintains one first voltage when this engine does not turn round, when this engine start, drop to second voltage low than this first voltage, and when this engine running, produce a running ripple, it is characterized in that this automatic electric controller comprises a control circuit power, an engine start circuit for detecting and an engine running decision circuitry.
This control circuit power couples to control this electronic equipment unlatching or to close with this electronic equipment; This engine start circuit for detecting and this battery couple to obtain this power signal, and the voltage that detects this power signal drops to this second voltage, then exports a replacement signal; This engine running decision circuitry and this engine start circuit for detecting couple, and are started by this replacement signal, and judge and have this running ripple on this power signal, then export a turns on power signal and control this control circuit power and open this electronic equipment.
Preferably, this engine running decision circuitry judges on this power signal and to exist this running ripple and this power signal to be equivalent to this first voltage, promptly exports one and closes the electric power signal and control this control circuit power and close this electronic equipment.
Preferably, this engine running decision circuitry judges that this power signal is no more than very first time rise more again by this first voltage decline, and should continue existence by the running ripple, promptly judges this engine continuous running, and lasting this turns on power signal of output.
In addition, because this power signal can maintain a tertiary voltage high than this first voltage during engine running, therefore, this engine running decision circuitry judges that this power signal is continued to descend above not ging up after one second time by this tertiary voltage, and the ripple that do not turn round on the power signal, judge that promptly engine shuts down, promptly export one and close the electric power signal and control this control circuit power and close this electronic equipment.
The beneficial effects of the utility model are by automatic electric controller, when the car engine running and when producing the running ripple, and the electronic equipment that automatic electric controller promptly can automatically opening automobile.
Another automatic electric controller of the present utility model, be used for electronic equipment according to the automatic Control of Automobile of engine running situation, this automobile comprises an engine and a battery, one power signal of this battery produces a running ripple when this engine running, it is characterized in that this automatic electric controller comprises a control circuit power, a filter rectifier and an engine running decision circuitry.
This control circuit power and this electronic equipment couple to control this electronic equipment and open or close; This filter rectifier is connected with this battery, and comprise a filter circuit and a rectification circuit, this filter circuit filters this power signal to obtain this running ripple, and this running ripple amplified to produce one amplify ripple, this rectification circuit carries out rectification to produce a direct current signal to this amplification ripple; This engine running decision circuitry and this filter rectifier and this control circuit power couple, and the voltage of judging this dc signal is then exported a turns on power signal and opened this electronic equipment for this control circuit power greater than a reference voltage.
The beneficial effects of the utility model are by automatic electric controller, when the car engine running and when producing the running ripple, and the electronic equipment that automatic electric controller promptly can automatically opening automobile.
Preferably, this automatic electric controller also comprises a control point circuit for detecting, be located between this filter rectifier and this engine running decision circuitry, receive that an external control signal can reduce the voltage of this dc signal, make voltage that this engine running decision circuitry judges this dc signal less than this reference voltage, close the electric power signal and control this control circuit power and close this electronic equipment and export one.
Preferably, this electronic equipment be automobile one daytime portable lighter, an and electric power signal of this external control signal car owner's lamp that is automobile.
Preferably, this control circuit power is a relay, this filter circuit comprises a filter capacitor that an end and battery couple and one and the operational amplifier that couples of this filter capacitor other end, this rectification circuit is a half-wave rectifier, this engine running decision circuitry is one to have the comparator of double input end and single output, one input of this comparator is accepted this dc signal, another input is accepted this reference voltage, this comparator relatively this dc signal greater than this reference voltage, then export this turns on power signal and activate this relay by this output, make this relay connect this battery and this electronic equipment, and this comparator relatively this dc signal less than this reference voltage, then export this and close the electric power signal and activate this relay, make this relay not connect this battery and this electronic equipment by this output.
Preferably, this control point circuit for detecting comprises a transistor, its collector electrode is connected with the output of this filter rectifier to accept this dc signal, its grounded emitter, its base stage connects an external control line of accepting this external control signal via a resistance, and this external control signal input can make this transistor turns and the voltage drop of this dc signal is low to moderate less than this reference voltage.
The beneficial effects of the utility model are that automatic electric controller can additionally be provided with the control point circuit for detecting again, further to decide the daytime portable lighter whether to open according to the external control signal, with in good time saving battery electric power.
Description of drawings
Fig. 1 is the main circuit calcspar of first preferred embodiment of the utility model automatic electric controller;
Fig. 2 shows the variation of the cell voltage of this preferred embodiment with respect to the car engine operational situation;
Fig. 3 is the detailed line map of this preferred embodiment automatic electric controller, and the circuit in the key diagram 1 in each circuit box is formed;
Fig. 4 be show this preferred embodiment solenoid coil (Tours Coil) when auto activation engine, at a schematic diagram that connects the electromagnetic pulse of sensing on the lead-in wire of cigar lighter;
Fig. 5 is the configuration schematic diagram of this preferred embodiment control one driving register;
Fig. 6 is the main circuit figure of second preferred embodiment of the utility model automatic electric controller.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
As shown in Figure 1, be first preferred embodiment of the utility model automatic electric controller, it is installed on the automobile, is used for whether turning round and whether car owner's lamp is opened and controlled the daytime portable lighter automatically and open or close according to car engine.
As shown in Figure 1, general automobile 1 mainly comprise generator 13, that an engine 11, a starter 12, that starts engine 11 are subjected to engine 11 to drive generating accept generator 13 chargings and power supply give the battery 14 of starter 12, car owner's lamp and daytime portable lighter 16.So-called herein car owner's lamp mainly is meant lampet, far and near lamp or fog lamp.
As shown in Figure 2, battery 14 is under normal condition usually, and its voltage approximately maintains one first voltage V1, about 13.2V, and be statically stable state.And when starter 12 will start engine 11, because battery 14 nearly need provide 100 amperes powerful electric current to starter 12, battery 14 had violent pressure drop and reduced to second a voltage V2 (about 11V even 10V below) little than the first voltage V 1 this moment, and kept about 0.1 to 0.5 second, if engine 11 is successfully started, then engine 11 can drive generator 13, make generator 13 generating and with electric power recharging to battery 14, make the voltage of battery 14 maintain as shown in Figure 2 a tertiary voltage V3, about 14V, also have simultaneously one suitable in this tertiary voltage V3 (14V) with the service cycle of engine 11, amplitude is about the running ripple Vr of the rule of 50mV~100mV, and in engine 11 operation process if the current consuming apparatus of automobile, as air-conditioning, when water tank cooling fan or headlight etc. are opened, the voltage of battery 14 can descend (shown in label Vp among Fig. 2), reduce to below the 13V sometimes, this moment, the adjuster (figure does not show) of automobile can be adjusted exerting oneself of engine 11 and generator 13 in 1 to 2 second, the voltage that makes battery 14 is got back to about 14V after several seconds to tens second once more, but no matter the degree that tertiary voltage V3 changes why, as long as engine 11 continuous runnings, running ripple Vr will be present in the power signal of battery always.And, just can not have the running ripple Vr of engine in the voltage if engine 11 is not successfully started.
Hence one can see that, after engine 11 is successfully started also entry into service, the voltage of battery 14 can maintain a tertiary voltage V3 (about 14V), the running ripple Vr that produces when including an engine running simultaneously, and if engine 11 is not successfully started, the voltage of the battery 14 ripple Vr that do not turn round exists, and the voltage of battery 14 can drop to below the low very many second voltage V2 (about 11V) of one to the first voltage V1 (13.2V) during engine 11 is activated, therefore, whether present embodiment can judge engine running according to the voltage condition of above-mentioned battery 14, whether opens portable lighter 16 in daytime with decision.
As Fig. 1 and shown in Figure 3, the automatic electric controller 2 of present embodiment comprises an engine start circuit for detecting 20, an engine running decision circuitry 21, a control point circuit for detecting 22 and a control circuit power 23.Control circuit power 23 with daytime portable lighter 16 be connected, open or close with control portable lighter in daytime 16, control point circuit for detecting 22 can couple with car owner's lamp, to judge according to an electric power signal of this car owner's lamp whether car owner's lamp is activated.
Engine start circuit for detecting 20 is connected with battery 14 to obtain a power signal of battery 14.And for the high-frequency noise of avoiding engine start circuit for detecting 20 to be subjected in the power signal disturbs, also be provided with the high-frequency noise in a filter circuit 24 first filter out power signals between engine start circuit for detecting 20 and the battery 14, again power signal delivered to engine start circuit for detecting 20.
And in order to protect not reason misconnection battery 14 polarity and burning of engine start circuit for detecting 20; and protection engine start circuit for detecting 20 and control circuit power 23 are unlikely suffers the power surging of battery 14 and damage; present embodiment and is provided with a power surging and misconnection protective circuit 26 also between engine start circuit for detecting 20 and battery 14 between control circuit power 23 and the battery 14.
For and save electric power and avoid engine running decision circuitry 21 to receive other signals and produce misoperation, engine running decision circuitry 21 is failure to actuate when engine does not start as yet, just it must be reset and can start by engine start circuit for detecting 20.In the present embodiment, engine start circuit for detecting 20 is voltage comparators, whether its voltage of judging power signal is less than the second voltage V2 (about 11V), if then export replacement signal replacement (startup) engine running decision circuitry 21, make engine running decision circuitry 21 enter the normal operation pattern by park mode.
Engine running decision circuitry 21 can be one to include the single chip microcomputer (calling MCU in the following text) of analog/digital converter, when it is reset startup by engine start circuit for detecting 20 after, the built-in firmware (fi rmware) of MCU judges then promptly whether the voltage of power signal promptly gos up fast after decline, and on power signal, begin to occur the running ripple Vr of engine, if, judge that then engine 11 successfully starts, and judge that engine 11 in continuous running, then produces a turns on power signal.And if engine running decision circuitry 21 after judging that power signal is less than second voltage, do not go up fast and do not detect running ripple Vr is arranged on the power signal, then judge the engine start failure, then produce one close electric power signal control control circuit power 23 not output power give daytime portable lighter 16, and shut down.
Therefore, though some senior vehicle or alarm can periodically carry out system scan, make battery 14 voltages also produce change a little, and the running ripple Vr of its amplitude of fluctuation and engine is suitable, but present embodiment is not before engine starts, engine running decision circuitry 21 can't be activated, produce misoperation so can avoid engine running decision circuitry 21 to receive the signal beyond the running ripple of engine, and because the cell voltage that system scan caused changes little and is the pulse (discrete pulses) of isolating, even therefore engine start circuit for detecting 20 receives this kind signal, because the voltage of this signal is not less than the second voltage V2 (about 11V), therefore can't be judged to be the feature of engine start by engine start circuit for detecting 20, just can not reset engine running decision circuitry 21 yet, make engine running decision circuitry 21 still maintain park mode, and can avoid misoperation.
And in the engine running process, the voltage that detects power signal when engine running decision circuitry 21 drops to suddenly fast less than the first voltage V1 (shown in label Vp among Fig. 2), during for example less than 13.2V, engine running decision circuitry 21 can continue the detecting power signal in a very first time, the change in voltage in 2 seconds for example, if voltage no longer descends and rise gradually again, judge that then engine 11 is still on-stream, just there is the automobile load of heavily power consumption to be activated.And if engine running decision circuitry 21 detects that the voltage of power signal descends suddenly and in one second time, for example do not have the phenomenon of rise in 3 seconds, and the running ripple Vr on the power signal has also disappeared, judge that then engine 11 has shut down, and export one and close electric power signal control control circuit power 23 and close portable lighter 16 in daytime (if previous daytime portable lighter 16 are states of opening).
And in order to save electric power; MCU in the engine running decision circuitry 21 is not after definite engine 11 turns round; can enter shutdown (shut down) state; until engine 11 starts once more; the voltage that makes battery 14 is during less than the second voltage V2 (about 11V), and engine start circuit for detecting 20 just can be sent a replacement signal again makes it begin normal operation to MCU.
Control point circuit for detecting 22 is provided with a positive control contact 221, a negative control contact 222, is just being delayed time and controlled contact 223 and negative delay control contact 224, positive control contact 221, the negative control contact 222 main car owner's lamps that connect automobile, give engine running decision circuitry 21 with the use information of compiling this car owner's lamp, after judging by MCU wherein is further, whether control control circuit power 23 output powers again.The electric power input that is the visual car owner's lamp of user is positive input control or negative input control, one of them is connected with the power line of car owner's lamp (for example lampet, far and near lamp or fog lamp one of them) to select above-mentioned positive control contact 221 or negative control contact 222, with this electric power signal of detecting car owner lamp.
Control point circuit for detecting 22 is received the electric power signal from each control point input, can carry out the unnecessary noise of filtering filtering to it earlier, and electric power signal corresponding output one startup signal or according to input does not start signal notification engine running decision circuitry 21 again.For example work as car owner's lamp electric power signal that control point circuit for detecting 22 transmits by above-mentioned positive control contact 221 or negative control contact 222, detect car owner's lamp when not opening, promptly transmit one and do not start signal to engine running decision circuitry 21, and opened as if detecting car owner's lamp, then transmit one and start signal to engine running decision circuitry 21.Therefore receive the not startup signal that arbitrary control contact of this control point circuit for detecting 22 transmits when engine running decision circuitry 21, and when satisfying the condition of above-mentioned generation turns on power signal, then control this control circuit power 23 and open portable lighters 16 in daytime.
In addition, the just time-delay control contact 223 of control point circuit for detecting 22 and negative delay control contact 224 can be accepted one and postpone the controlling signal input, a car door start signal for example, that is when car door is opened, control contact 223 or the negative delay control contact 224 of just delaying time can be received a car door opening signal and send one and start signal to engine running decision circuitry 21, and car door is not when being opened, and control contact 223 or the negative delay control contact 224 of just delaying time can be received a closing of the door signal and send one and not start signal and give engine running decision circuitry 21.Then when engine running decision circuitry 21 is received the startup signal of controlling contact 223 or negative delay control contact 224 from just delaying time, the expression car is in the state of not advancing, then engine running decision circuitry 21 can judge whether this startup signal continues to surpass a special time (as 2 minutes), if, the expression car is stand (a not transport condition), though engine 11 is still in running in the case, but do not need to use portable lighter 16 in daytime, therefore thereby engine running decision circuitry 21 can transmit and close electric power signal control control circuit power 23 and close portable lighter 16 in daytime, and if in the wait process, engine running decision circuitry 21 is received the not startup signal from control contact or the negative delay control contact of just delaying time, the expression car door shut (car is about to travel) then engine running decision circuitry 21 can judge again whether whether engine 11 still controlled control circuit power 23 in running with decision and opened or close portable lighter 16 in daytime.
Therefore, when engine running decision circuitry 21 determines that engine 11 produces a turns on power signal in running, and all control contacts of control point circuit for detecting 22 are all exported when not starting signal, and engine running decision circuitry 21 just can be controlled control circuit power 23 output powers and open portable lighter 16 in daytime.And the most easy way is as long as the positive control contact 221 of control point circuit for detecting 22 or negative control contact 222 one of them receive lampet in car owner's lamp, that above control action just meets ECE R48 rules fully for fundamental norms that daytime, portable lighter was controlled.
In addition, what deserves to be mentioned is, present embodiment is except the above-mentioned way that allows daytime under the situation that king light is opened portable lighter 16 cuts out, also visual vehicle design demand, allow daytime portable lighter 16 when headlight is opened, use as lampet, that is daytime portable lighter luminous intensity distribution to meet the requirement of picture light modulation and lampet simultaneously, for example daytime, portable lighter 16 brightness was more than ten times or ten times of lampet brightness, so receive when closing the electric power signal when control circuit power 23, be not directly with daytime portable lighter 16 close, reduce to 10% or lower but will offer daytime portable lighter 16 electrical power, allow portable lighter 16 brightness in daytime become as lampet in pulse width modulation (PWM) mode.
And when the automatic electric controller 2 of present embodiment is installed; as shown in Figure 3; the user only need be connected in parallel the positive and negative end of battery 14 and power surging and misconnection protective circuit 26; and with car owner's lamp; for example the positive control contact 221 of the electric power signal output end of the supply of electric power line of lampet and input point detecting unit 22 or negative control contact 222 one of them be connected; and with the output of control circuit power 23 with daytime portable lighter 16 be connected; can finish the installation of automatic electric controller 2, for generally D IY car owner or the technician of depot provide great convenience.
In addition, present embodiment also can judge whether engine 11 turns round by other supplementary mode except the ripple of voltage by judging battery 14 and engine judges whether engine 11 turns round.When for example adopting gasoline engine as if automobile, as shown in Figure 1, gasoline engine need utilize an engine cigar lighter 17 to light a fire, and provide the pulse of a kilovolt superfine to allow cigar lighter 17 arcings to drive gasoline engine by a lead-in wire 18 that is connected with cigar lighter 17, and because this pulse is very powerful, can around lead-in wire 18, produce an electromagnetic pulse, therefore present embodiment is as long as circle is around a solenoid coil (Tours Coil) 27 on lead-in wire 18, just can know an electromagnetic pulse of sensing as shown in Figure 4, and transmit a sensor signal and give engine running decision circuitry 21.And when engine 11 continuous runnings, this electromagnetic pulse can periodically produce, as long as so solenoid coil 27 continue to sense this electromagnetic pulse, will continue to transmit sensor signal and give engine running decision circuitry 21.Solenoid coil 27 adopts the nylon ring of a Ω type and twines about 20 circles thereon with the AWG20 enamelled wire in the present embodiment, and the advantage of the nylon ring of Ω type is to be convenient to encase lead-in wire 18.
And if car engine 11 is not to adopt gasoline engine but the employing diesel motor, because diesel motor does not have cigar lighter, but engine 11 can vibrate in the running, so as shown in Figure 1, present embodiment can be on engine 11 place of vibratory output maximum, the bonnet place of engine pistons top for example, be provided with one the vibration detector 28 detect engine 11 whether have sustainedly and stably the vibration, and when detecting engine 11 sustained vibrations, transmit a vibration signal and give engine running decision circuitry 21, make it export this turns on power signal and give control circuit power 23.Certainly also can replace solenoid coil 27 in the above-mentioned gasoline engine example, perhaps install vibration detector 28 and 27 whiles of solenoid coil simultaneously and detect engine 11 respectively and whether turn round to increase the reliability of detecting with vibration detector 28.
In addition; because the driving component of automatic electric controller 2 internal circuits of present embodiment is mostly selected CMOS, MOSFET for use or can be entered the microprocessor or the IC of shutdown (shut down) state; therefore its total power consumption is extremely low under park mode, even also can engine 11 can't be started because of the electric power that engine running automatic electric controller 2 exhausts battery 14 under the obsolete situation of automobile some months.
In sum, present embodiment judges by the running ripple of judging cell voltage variation and engine whether car engine turns round, detect automobile king light (lampet simultaneously, far and near lamp or fog lamp) whether open, to judge automatic unlatching portable lighter in daytime 16 under the situation that engine running and automobile king light are closed, as long as and the user carries out simple wiring and portable lighter automatic electric controller in daytime 2 can be installed in the automobile, meet ECE R48 and ECE R87 rules and purpose of being convenient to install and effect and reach the utility model.
In addition, the automatic electric controller 2 of present embodiment also can be applicable to an auto electronic equipment, for example the automatic start-up control of GPS navigation system or drive recorder.With the drive recorder is example, and drive recorder in the past generally uses the 12V power supply of automobile cigarette lighter, and is manually opened by the user, if the user forgets unlatching, then can't carry out driving recording.Therefore, as Fig. 1 and shown in Figure 5, if the drive recorder 19 of automobile 1 is received the control circuit power 23 of present embodiment automatic electric controller 2, because the power supply that control circuit power 23 provides is 12V, so when engine running decision circuitry 21 judges that according to above-mentioned way engine 11 has turned round, can transmit a turns on power signal and give control circuit power 23, make it start drive recorder 19 and begin video recording, and when judging that engine 11 shuts down, transmit one and close the electric power signal to control circuit power 23, close drive recorder 19, so after engine 11 starts, drive recorder 19 gets final product automatic opening entry travelling image, and when engine 11 stops, stopping video recording automatically, and the user need not check at any time that whether drive recorder 19 opens again, then the present embodiment drive recorder that is applied in public transport is controlled automatically, can prevent to forget the unlatching drive recorder, and can't judge problem such as attribution of liability because of artificial careless mistake.
Again as shown in Figure 6, it is second preferred embodiment of the utility model automatic electric controller, automatic electric controller 3 and the automobile batteries 14 and vehicle electronics of present embodiment, for example portable lighter 16 connections in daytime, and comprise a control circuit power 30, filter rectifier 31 and an engine running decision circuitry 32.Control circuit power 30 is example at present embodiment with a relay, but not as limit.Relay is connected with battery 14 obtaining the 12V power supply, and with daytime portable lighter 16 be connected with control portable lighter in daytime 16 and open or close.Filter rectifier 31 comprises a filter circuit 34 and a rectification circuit 35.Filter circuit 34 comprises capacitor C 1 that an end is connected with battery 14 and the operational amplifier 341 that is connected with capacitor C 1 other end.And by above stated specification as can be known, when engine 11 runnings, the running meeting of generator 13 and engine 11 produces a running ripple Vr on the power signal of battery 14.
When engine 11 runnings, the power signal of 1 pair of battery 14 of capacitor C carries out filtering to obtain running ripple Vr (about 50mVpp) and to deliver to operational amplifier 341 and amplify, and amplifies ripple to produce one, gives rectification circuit 35 again.Rectification circuit 35 is half-wave rectifiers, and it carries out rectification producing the dc signal Vr2 of the about 3v of a voltage to amplifying ripple, and exports engine running decision circuitry 32 to.Engine running decision circuitry 32 comprises a comparator with two inputs and an output, one input (negative terminal) of this comparator is accepted a reference voltage Vrth (from a Zener diode, about 2.5V), another input (anode) is accepted this dc signal.Therefore, when engine 11 running, the voltage of dc signal can be greater than this reference voltage Vrth, and makes the output of comparator export a turns on power signal (high levle voltage) control control circuit power 30 (being relay), make its connect battery 14 and daytime portable lighter 16, and with daytime portable lighter 16 open.Otherwise, when engine 11 does not turn round, the ripple Vr owing to do not turn round on the power signal, so other noise that produces by non-running ripple on the power signal, the voltage of the dc signal Vr2 that process rectification circuit 35 is produced will be much smaller than reference voltage Vrth, and make engine running decision circuitry 32 (comparator) output one close electric power signal (low level voltage) control control circuit power 30 (relay), make its do not connect battery 14 and daytime portable lighter 16, and with daytime portable lighter 16 close.
In addition, decide daytime, whether portable lighter 16 opened, also can between rectification circuit 35 and engine running decision circuitry 32, add a control point circuit for detecting 33 again and further determine portable lighter 16 keying in daytime except whether foundation engine 11 turns round.Control point circuit for detecting 33 comprises a transistor Q1, the collector electrode of transistor Q1 (the C utmost point) connects the output of rectification circuit 35 to accept dc signal Vr2, its emitter (the E utmost point) ground connection, its base stage (the B utmost point) connects one via a resistance R 1 and accepts the external control line that an external control signal is imported, whereby, as external control signal input and during turn-on transistor Q1, transistor Q1 can be pulled down to the voltage of dc signal Vr2 near 0V and make dc signal Vr2 less than reference voltage Vrth, closes portable lighter 16 in daytime and make engine running decision circuitry 32 output close electric power signal control control circuit power 30.And the electric power signal of car owner's lamp that this external control signal can be an automobile or car door opening signal etc.That is, car owner's lamp of automobile opened or the situation of car door opening under, even engine 11 in running, still can control the daytime portable lighter by control point circuit for detecting 33 and 16 cut out to save electric energy, meet the demand of environmental protection.
Therefore, by automatic electric controller 3, when car engine 11 runnings and generation running ripple Vr, automatic electric controller 3 will produce turns on power signal unlatching portable lighter in daytime 16 according to running ripple Vr, shut down and work as engine 11, automatic electric controller 3 detectings are less than the running ripple Vr in the power signal, then export one close the electric power signal with daytime portable lighter 16 close, whereby, as long as engine running, no matter whether car owner's lamp of automobile is opened, automatic electric controller 3 all can be opened portable lighter 16 in daytime automatically, to guarantee the safety of driver's day driving.Perhaps automatic electric controller 3 can additionally be provided with control point circuit for detecting 33 again, further to decide the daytime portable lighter 16 whether to open according to the external control signal, with in good time saving battery electric power.
Moreover, be understandable that, as long as with above-mentioned daytime portable lighter 16 change above-mentioned GPS navigation system, drive recorder or other auto electronic equipment into, present embodiment can be controlled GPS navigation system, drive recorder or other auto electronic equipment automatically according to the engine running situation.

Claims (11)

1. automatic electric controller, be used for portable lighter in daytime according to the automatic Control of Automobile of engine running situation, this automobile comprises an engine, a battery and car owner's lamp, one power signal of this battery maintains one first voltage when this engine does not turn round, when engine start, drop to second voltage low, and when this engine running, produce a running ripple than this first voltage; It is characterized in that:
This automatic electric controller comprises:
One control circuit power, with this in daytime portable lighter couple to control this portable lighter in daytime and open or close;
One engine start circuit for detecting couples to obtain this power signal with this battery, and the voltage that detects this power signal drops to this second voltage, then exports a replacement signal;
One engine running decision circuitry couples with this engine start circuit for detecting, and is started by this replacement signal, and judges this running ripple of existence on this power signal, then produces a turns on power signal;
One control point circuit for detecting couples with this car owner's lamp, and judges that according to an electric power signal of this car owner's lamp car owner's lamp is not activated, and then exports one and does not start signal to this engine running decision circuitry;
This engine running decision circuitry is according to this turns on power signal and do not start signal and control this control circuit power and open portable lighter in this in daytime.
2. automatic electric controller as claimed in claim 1, it is characterized in that: this control point circuit for detecting comprises a positive control contact, one negative control contact, one is just delaying time controls contact and negative delay control contact, one of them is connected this car owner's lamp and this positive control contact or negative control contact to import this electric power signal, this control point circuit for detecting judges that according to this electric power signal car owner's lamp is activated, then export one and start signal to this engine running decision circuitry, and this engine running decision circuitry is received this startup signal, promptly exporting one closes the electric power signal and controls this control circuit power and close portable lighter in this in daytime, this just delaying time control contact or negative delay control contact one of them can accept one and postpone the controlling signal input, and send this startup signal and give this engine running decision circuitry, and this engine running decision circuitry continues to receive that this startup signal surpasses a special time, promptly transmits this and closes the electric power signal and control this control circuit power and close the portable lighter in daytime.
3. automatic electric controller as claimed in claim 1, it is characterized in that: this engine is a gasoline engine that driven by a cigar lighter, one lead-in wire is connected with this cigar lighter, this cigar lighter drives this gasoline engine, can produce an electromagnetic pulse at this lead-in wire, and this automatic electric controller also comprises the solenoid coil of a circle on this lead-in wire, and it can be responded to this electromagnetic pulse and transmit a sensor signal to this engine running decision circuitry, makes this engine running decision circuitry export this turns on power signal.
4. automatic electric controller as claimed in claim 1, it is characterized in that: this engine is a diesel motor, and this automatic electric controller comprises that also one is arranged on the vibration detector on this diesel motor, it can detect the engine sustained vibration and transmit a detection signal and give this engine running decision circuitry when diesel motor turns round, make this engine running decision circuitry export this turns on power signal.
5. automatic electric controller as claimed in claim 1, it is characterized in that: this control circuit power also couples an automobile-used electronic equipment, and this engine running decision circuitry is judged this running ripple of existence on this power signal, then export this turns on power signal and give this control circuit power, make this control circuit power open this electronic equipment.
6. automatic electric controller, be used for electronic equipment according to the automatic Control of Automobile of engine running situation, this automobile comprises an engine and a battery, one power signal of this battery maintains one first voltage when this engine does not turn round, when this engine start, drop to second voltage low than this first voltage, and when this engine running, produce a running ripple, it is characterized in that:
This automatic electric controller comprises:
One control circuit power couples to control this electronic equipment unlatching or to close with this electronic equipment;
One engine start circuit for detecting couples to obtain this power signal with this battery, and the voltage that detects this power signal drops to this second voltage, then exports a replacement signal;
One engine running decision circuitry couples with this engine start circuit for detecting, and is started by this replacement signal, and judges and have this running ripple on this power signal, then exports a turns on power signal and controls this control circuit power and open this electronic equipment.
7. an automatic electric controller is used for the electronic equipment according to the automatic Control of Automobile of engine running situation, and this automobile comprises an engine and a battery, and a power signal of this battery produces a running ripple when this engine running, it is characterized in that:
This automatic electric controller comprises:
One control circuit power couples to control this electronic equipment unlatching or to close with this electronic equipment;
One filter rectifier, be connected with this battery, and comprise a filter circuit and a rectification circuit, this filter circuit filters this power signal to obtain this running ripple, and this running ripple amplified to produce one amplify ripple, this rectification circuit carries out rectification to produce a direct current signal to this amplification ripple;
One engine running decision circuitry, couple with this filter rectifier and this control circuit power, and the voltage of judging this dc signal is then exported a turns on power signal and is given this control circuit power greater than a reference voltage, makes this control circuit power open this electronic equipment.
8. automatic electric controller as claimed in claim 7, it is characterized in that: this automatic electric controller also comprises a control point circuit for detecting, be located between this filter rectifier and this engine running decision circuitry, this control point circuit for detecting receives that an external control signal can reduce the voltage of this dc signal, make voltage that this engine running decision circuitry judges this dc signal less than this reference voltage, close the electric power signal and control this control circuit power and close this electronic equipment and export one.
9. automatic electric controller as claimed in claim 8 is characterized in that: this electronic equipment be automobile one daytime portable lighter, an and electric power signal of this external control signal car owner's lamp that is automobile
10. automatic electric controller as claimed in claim 7, it is characterized in that: this electronic equipment be automobile one daytime portable lighter, this control circuit power is a relay, this filter circuit comprises a filter capacitor that an end and battery couple and one and the operational amplifier that couples of this filter capacitor other end, this rectification circuit is a half-wave rectifier, this engine running decision circuitry is a comparator with double input end and single output, one input of this comparator is accepted this dc signal, another input is accepted this reference voltage, this comparator relatively this dc signal greater than this reference voltage, then export this turns on power signal and activate this relay by this output, make this relay connect this battery and this electronic equipment, and this comparator relatively this dc signal less than this reference voltage, then close the electric power signal and activate this relay, make this relay not connect this battery and this electronic equipment by this output output one.
11. automatic electric controller as claimed in claim 8, it is characterized in that: this control point circuit for detecting comprises a transistor, its collector electrode is connected with the output of this filter rectifier to accept this dc signal, its grounded emitter, its base stage connects an external control line of accepting this external control signal via a resistance, and this external control signal input can make this transistor turns and the voltage drop of this dc signal is low to moderate less than this reference voltage.
CN2010205094905U 2010-08-30 2010-08-30 Automatic electrical control device Expired - Fee Related CN201846502U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102291890A (en) * 2011-07-28 2011-12-21 宁波安迪光电科技有限公司 Daytime running light system and control method thereof
CN102291889A (en) * 2011-07-28 2011-12-21 宁波安迪光电科技有限公司 Daytime running light system and control method thereof
WO2013059977A1 (en) * 2011-10-24 2013-05-02 Ho Chengchung Control device and control method for vehicular daytime running lights
CN103144570A (en) * 2011-12-06 2013-06-12 广美科技股份有限公司 Apparatus for detecting start-up of vehicle
CN103389727A (en) * 2013-07-19 2013-11-13 北京一雄信息科技有限公司 Vehicle micro diagnosis device and vehicle diagnosis method
CN103399569A (en) * 2013-07-19 2013-11-20 北京一雄信息科技有限公司 Automobile mini-type diagnostic device for judging automobile driving state and judging method thereof
CN104712444A (en) * 2013-12-17 2015-06-17 株式会社京浜 Engine control device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102291890A (en) * 2011-07-28 2011-12-21 宁波安迪光电科技有限公司 Daytime running light system and control method thereof
CN102291889A (en) * 2011-07-28 2011-12-21 宁波安迪光电科技有限公司 Daytime running light system and control method thereof
WO2013059977A1 (en) * 2011-10-24 2013-05-02 Ho Chengchung Control device and control method for vehicular daytime running lights
US20150057882A1 (en) * 2011-10-24 2015-02-26 Cheng Chung Ho Control method of control device for controlling daytime running light of vehicle
CN103144570A (en) * 2011-12-06 2013-06-12 广美科技股份有限公司 Apparatus for detecting start-up of vehicle
CN103144570B (en) * 2011-12-06 2015-04-22 广美科技股份有限公司 Apparatus for detecting start-up of vehicle
CN103389727A (en) * 2013-07-19 2013-11-13 北京一雄信息科技有限公司 Vehicle micro diagnosis device and vehicle diagnosis method
CN103399569A (en) * 2013-07-19 2013-11-20 北京一雄信息科技有限公司 Automobile mini-type diagnostic device for judging automobile driving state and judging method thereof
CN103399569B (en) * 2013-07-19 2016-05-25 北京一雄信息科技有限公司 For judging the miniature diagnostic device of automobile and the determination methods thereof of motoring condition
CN104712444A (en) * 2013-12-17 2015-06-17 株式会社京浜 Engine control device
CN104712444B (en) * 2013-12-17 2017-04-12 株式会社京浜 Engine control device

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