CN1051967C

CN1051967C - Logic controller for warning lamp of vehicles

Info

Publication number: CN1051967C
Application number: CN94107952A
Authority: CN
Inventors: 蔡进元
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-19
Filing date: 1994-07-19
Publication date: 2000-05-03
Anticipated expiration: 2014-07-19
Also published as: CN1116168A

Abstract

The present invention relates to a logic controller for a warning lamp of a vehicle, which is mainly composed of an unstable oscillation circuit, a monostable oscillation circuit, an analog selection circuit, a decoding circuit and a gate control circuit. In addition, a photoelectric coupler is used for picking voltage signals of a horn of the vehicle. When the vehicle meets another vehicle, overtakes another vehicle or changes a lane and a button of the horn needs to be pushed, head lamps in front of the vehicle generate continuous alternate actions of far and near light by the control circuit to form a warning signal with flashing effect.

Description

Logic controller for warning lamp of vehicles

The relevant a kind of logic controller for warning lamp of vehicles of the present invention, particularly a kind of can the utilization pushed the circuit that loudspeaker while control vehicle headlight glimmers.

Automobile has become the indispensable vehicle in modernization life, no matter and the automobile of which kind of form, all being provided with loudspeaker is equipped with, but because of its in two car intersections, lane change or when reminding other vehicles or pedestrians, can send the sound, to warn, but because general steerman is when driving, all vehicle window is closed, add the interference of outdoor noise, steerman or pedestrian can't be known hear the caution sound that loudspeaker send, traffic safety is constituted greatest threat, and real is that one of vehicle lacks greatly.

Main purpose of the present invention, be to provide a kind of logic controller for warning lamp of vehicles, mainly pick up the voltage signal of loudspeaker by optocoupler components, via oscillating circuit, decoding circuit and gating circuit etc., push simultaneously in loudspeaker, the preceding quad headlight of control vehicle produces in setting-up time far, the continuous alternating movement of low beam light, forms flicker effect, and reaches the light caution effect synchronous with the sound.

Of the present inventionly advance a purpose, be to be provided with in the circuit analogy and select circuit, utilize this circuit to be fit to multi-form automobile front lamp wiring and to use, to reach the purpose of simple and easy assembling according to the type selecting of car.

For achieving the above object, the present invention takes following scheme:

A kind of logic controller for warning lamp of vehicles of the present invention, it is characterized in that, comprise gating circuit, two transistor amplifier circuits, two group relaies and power supplys of an optocoupler components, a gating circuit, a non-steady-state oscillation circuit, a monostable oscillating circuit, a decoding circuit, an optical coupling element, multiterminal input;

Gating circuit connects optocoupler components, non-steady-state oscillation circuit, monostable oscillating circuit and decoding circuit respectively;

Another road: optical coupling element connects the voltage input end of headlight respectively and through energy disperser, energy disperser connects decoding circuit;

The signal output part of decoding circuit connects the gating circuit of multiterminal input, and gating circuit, transistor amplifier circuit, the relay of this multiterminal input connect successively;

Power supply is respectively to circuit supplies such as optocoupler components, gating circuit, non-steady-state oscillation circuit, monostable oscillating circuit, decoding circuit, transistor amplifier circuit, two group relaies;

Under the power supply function of power supply, one group of optocoupler components picks up the signal voltage of horn for vehicle, via gating circuit conversion and triggering non-steady-state oscillation circuit, resistance in this oscillating circuit, in the setting-up time that electric capacity limited, the output signal of non-steady-state oscillation circuit is changed through gating circuit again, export a voltage signal to the monostable oscillating circuit by gating circuit, this circuit produces continuous time sequential pulse, transport to the coding input end of decoding circuit again via gating circuit, this incoming signal is encoded with the big lamp voltage signal generation of input decoding circuit synchronously, order output, gating circuit via multiterminal input forms two groups of output voltage signals, after amplifying circuit amplifies, drive two group relaies and form mutual adhesive action respectively, it is far away that the headlight that is connected in relay normally open contact is constituted, low beam is flicker alternately.

Principal feature of the present invention will cooperate the following drawings and embodiment to describe in detail,

Brief Description Of Drawings:

Fig. 1: circuit block diagram of the present invention.

Fig. 2: preferred embodiment circuit diagram of the present invention.

Fig. 3: circuit operation analysis state figure of the present invention.

As shown in Figure 1, the present invention is by the required working power of junction circuit in the storage battery that vehicle disposed, via a temperature detection device 11 to prevent power supply short circuit, again via a voltage stabilizing element 12 with stable operating voltage in the magnitude of voltage of setting; Optocoupler components 13 is by pickoff signals voltage in the loudspeaker wiring, when loudspeaker are pushed, signal voltage promptly triggers non-steady-state oscillation circuit 15 via gating circuit 14, in setting-up time, import decoding circuit 17 respectively and make monostable oscillating circuit 16 produce continuous time sequential pulse, and be input to decoding circuit 17 respectively via gating circuit 14.

Another road, the terminals of automobile front lamp are picked up by an optical coupling element 18 respectively, and suitably select to distribute via an analogy finder 19, to adapt to the wiring voltage of different vehicle, via the selection voltage signal and via the energy disperser 19a in the

finder

19,19b inputs to decoding circuit 17, produce coding with unstable state circuit 15 and the monostable signal voltage that circuit 16 imported that shakes again that shakes again, demoder 17 formation are exported in proper order, and via a

gating circuit

20,21 conversion, and respectively via amplifying

circuit

22,23 promote to connect the relay 24 of automobile front lamp, 25 to form the far away of automobile front lamp, the low beam alternating movement.

As shown in Figure 2, preferred embodiment circuit diagram of the present invention, as shown in the figure, power supply is picked up from Vehicular battery by the B+ end, and cross-over connection one resistance R 3, diode D1 and a temperature control element F1, when short circuit, temperature control element F1 connects diode D1 with the indication as circuit abnormality because of open circuit, and this power supply also makes stable operating voltage in voltage setting value via a voltage stabilizing element 12 (U2); After the loudspeaker voltage signal is picked up by optocoupler components 13 (U1), change via gating circuit 14 (U4), triggering is by U3, R4, R5, the non-steady-state oscillation circuit 15 that C4 etc. formed, output one voltage signal in setting-up time, this signal and triggering by U5 via U3 respectively, resistance R 9, resistance R 10, the monostable oscillating circuit 16 that capacitor C 6 is formed and the coding input end of input decoding circuit 17 (U8), wherein, monostable oscillating circuit 16 produces continuous time sequential pulse in activation time, and imports another coding input end of decoding circuit 17 (U8) via gating circuit 14 (U4).

Terminals L1, the L2 of automobile front lamp, G1 are imported by optical coupling element 18 (U7) respectively, and select circuit 19 (U6) to import an analogy by the conversion of this element, make the wiring voltage of different car types select circuit via this, obtain signal voltage, with the coding input end of input decoding circuit 17 (U8).

Via foregoing circuit, when loudspeaker when pushing, decoding circuit 17 is exported in proper order through formation, the output voltage of different output points, via or the conversion of gating circuit 20,21 (U9) and form two groups of output voltage signals, and amplify to drive relay 24,25 (RY1, RY2) by transistor Q1, Q2 respectively, make the headlight that is connected in relay normally open contact, form alternating movement, to constitute the flash caution effect.

By can finding out in the form of Fig. 3, when lamp L1 far away or low beam W1 open,, push by loudspeaker no matter having or not, and all keep illuminating state, and open when lamp far away, and loudspeaker are when pushing, lamp far away will be extinguished and light low beam simultaneously; Otherwise if in the low beam opening, then when loudspeaker were pushed, low beam extinguished, and lighted lamp far away simultaneously, alternately lighted to constitute one-period property; And above-mentioned state is when loudspeaker are pushed continuously, will make far away, low beam form repeatedly alternately illuminating state, and constitute flicker effect.

Far, the terminals of low beam because of car type difference polarity not simultaneously, its action situation is identical with aforesaid state, but far away, low beam is opposite alternately illuminating state.

The effect of logic controller for warning lamp of vehicles of the present invention:

Controller of the present invention is the voltage signal with loudspeaker, via oscillating circuit and solution Decoding circuit cooperates the analog selection circuit, when pressing loudspeaker, can control vehicle Headlight forms alternating movement far away, low beam, except the flicker effect that can consist of light, To improve outside the traffic safety, still can be fit to the different automobile types setting, and assemble easy, simple Victory, practical.

Claims

1, a kind of logic controller for warning lamp of vehicles, it is characterized in that, comprise gating circuit, two transistor amplifier circuits, two group relaies and power supplys of an optocoupler components, a gating circuit, a non-steady-state oscillation circuit, a monostable oscillating circuit, a decoding circuit, an optical coupling element, multiterminal input;

2, logic controller for warning lamp of vehicles according to claim 1, it is characterized in that, described optical coupling element is many group optical coupling elements, optical coupling element is via a selection, distributor circuit, get its single voltage signal to import the coding input end of described demoder, automatically survey the user by logic coding and open lamp far away and low beam signal, can push the alternately flicker of difference that signal voltage produces near/low beam or near/lamp far away with loudspeaker.

3, logic controller for warning lamp of vehicles according to claim 1 and 2 is characterized in that, is connected an analogy finder between described optical coupling element and the energy disperser; The voltage input end of headlight is selected by the analogy finder, through the analogy finder, keeps normally lighting of far away, low beam with different polarity of voltages.

4, logic controller for warning lamp of vehicles according to claim 1 is characterized in that, the gating circuit of described decoding circuit is two groups, is respectively the OR circuit of four-input terminal, and it is the sequential signal of demoder the output signal of different potentials through conversion.

5, logic controller for warning lamp of vehicles according to claim 1, it is characterized in that, the input end of described circuit power is connected in series via a temperature control element, in this element two ends cross-over connection one resistance and a light-emitting diode, in the circuit because of producing short circuit when making the temperature control element open circuit unusually, power line voltage can be connected light-emitting diode via resistance, with the indication as circuit abnormality.