CN2146392Y - Brightening means for vehicle lights - Google Patents

Abstract

The utility model discloses an electronic control device for vehicles' light, which improves the output current, the voltage, and the horse power through being additionally installed a rectifier and a voltage stabilizer between a three-phase alternator and a load, so when the vehicle runs at low or medium speed, the brightness of the lamps can reach to maximization, and the output voltage can keep stable when the rotary speed of the three-phase alternator is maximal, solving the problem that when the vehicle provided with the three-phase alternator runs at low or medium speed, the lamps are not bright, and when the rotary speed of the three-phase alternator is high, lamp bulbs are easily burned out, which brings drivers a gospel in transportation and work.

Description

Brightening means for vehicle lights

The utility model relates to person in electronics, or rather, relates to the electronic control package of vehicle light.

At present, the electrical generator of using to illuminalive power-supply on the power actuated vehicle is nothing more than brush-commutated formula dynamo generator, three kinds of alternating current generator and silicon rectification generators, the common weakness of these electrical generators is: when the vehicle rotating speed is low, the voltage of output is low, the voltage height of output when rotating speed is high, the voltage of the excitation coil of silicon rectification generator employing regulating control regulator generator is to reach the purpose of voltage stabilizing, and equipped accumulator jar is with in solving, give the excitation coil powerup issue when low-tach lighting problem and starter generator, but regulating control cost height, life-span is short, reliability and stability are poor, storage battery maintains the untimely too fast subscription rate that causes, the some months that has is just bad, and the manufacturing process complexity of silicon rectification generator, the cost height, and a large amount of trac. or other vehicles that use in China rural area are not adorned storage battery substantially, equipped mostly is alternating current generator, advantage is that cost is low, but mouth is direct and load-car light, loudspeaker link, thereby cause engine speed to be directly proportional with the output voltage size, in, voltage is low during low speed, car light does not work, only when high speed, can reach the brightness that car light needs, in the hauling operation at night, engine speed is high and need lamplight brightness big when particularly meeting recessed highway section, hole or meeting, incompatible, make it to reach high-high brightness if improve the rotating speed of driving engine, then will burn out bulb during high speed, bring very big inconvenience for driver's work in middling speed.

The purpose of this utility model is to provide a kind of car light brightening device, make driving engine in, can export enough voltage during low speed, make the brightness that car light reaches to be needed, the stable voltage of output was unlikely burning out bulb when rotating speed was high.

The utility model purpose is achieved in that between the three phase alternator of vehicle and load-car light, loudspeaker or accumulator jar and installs rectifier and stable-pressure device additional, rectifier wherein be the mouth of three phase lines of the three phase alternator of vehicle respectively with the rectifier diode D of two series aiding connections ₁With D ₄, D ₂With D ₅, D ₃With D ₆Between lead-in wire join, three diode D ₁, D ₂, D ₃Negative pole be linked together positive pole as rectification output end, three diode D ₄, D ₅, D ₆Positive pole be linked together negative pole as rectification output end, according to the electrotechnics principle, through the voltage of this rectification output is 2.34 times of former phase voltage, and the electric current of this rectification output is 2.34 times of former phase current, and stable-pressure device wherein is diode and the load R that voltage stabilizing is used _LThe negative pole of back in parallel one termination rectification output, other end series connection protective resistance R ₁After connect the positive pole of rectification output.

Above-described stable-pressure device also can be realized in the following way: the diode D that voltage stabilizing is used ₉With resistance R ₂After the series connection again with load R _LParallel connection, load R _LWith resistance R ₂Termination aerotron BG ₁Emitter and the negative pole of rectification output, load R _LWith stabilivolt D ₉Meet aerotron BG ₁The collecting electrode protective resistance R that connects again ₁The back joins stabilivolt D with the positive pole of rectification output ₉With resistance R ₂Line meet aerotron BG ₁Base stage.

Above-described stable-pressure device also can be realized in the following way: with resistance R ₅The positive pole and the aerotron BG of one termination rectification output ₄Collecting electrode, other end connecting resistance R ₆, aerotron BG ₄Base stage and aerotron BG ₅Collecting electrode, resistance R ₆Another termination aerotron BG ₅Emitter, resistance R ₇, load R _LWith the negative pole of rectification output, aerotron BG ₄Emitter meet stabilivolt D ₁₂Negative pole and load R _LThe other end, stabilivolt D ₁₂Positive pole meet aerotron BG ₅Base stage and resistance R ₇The other end.

The utility model has following advantage:

1. install this car light brightening device on the vehicle of three phase alternator additional being equipped with, in driving engine, during low speed, can satisfy lighting requirement.

2. because the pressure stabilization function of stable-pressure device, can guarantee that electrical generator bulb under any rotating speed is unlikely to burn out.

3. owing to install the dc voltage stability of exporting behind the car light brightening device additional on the power actuated vehicle, thus can be hinged with accumulator jar being equipped with on the vehicle of three phase alternator, convenient and practical, enlarged function.

4. oil-saving and durable is because after having installed this device additional, because of being raising illuminating effect open the throttle wide, shift to a lower speed again, i.e. fuel-economizing has reduced mechanical wear again, has prolonged engine life.

5. this device is formed constant voltage output electrical generator with the supporting use of magneto three phase alternator, and is reliable because of regulating, and do not have wearing and tearing, and the life-span is long, thereby is better than silicon rectification generator.

Accompanying drawing is illustrated.

Fig. 1 is a functional-block diagram of the present utility model;

Fig. 2 is the rectifier fundamental diagram;

Fig. 3, Fig. 4, Fig. 5 adopt diode principle of stabilized voltage figure;

Fig. 6, Fig. 7, Fig. 8 adopt aerotron principle of stabilized voltage figure;

Fig. 9 is the principle of stabilized voltage figure of tandem type.

Figure 10 is a whole schematic diagram of the present utility model.

Below in conjunction with accompanying drawing concrete structure of the present utility model is further described:

As shown in Figure 1: the three plase alternating current of three phase alternator output outputs to load R through rectifier and stable-pressure device _LOn.

By Fig. 2 and Fig. 3 as can be known: the three plase alternating current of three phase alternator output is through A point and diode D ₁Positive pole and diode D ₄Negative pole join, through B point and diode D ₂Positive pole and diode D ₅Negative pole join, through C point and diode D ₃Positive pole and diode D ₆Negative pole join diode D ₁, D ₂, D ₃Negative pole join as the positive pole of rectification output end diode D ₄, D ₅, D ₆Positive pole join as the negative pole of rectification output end, according to the electrotechnics principle, through D ₁～D ₆The voltage of rectification output is 2.34 times of former phase voltage, and the electric current of rectification output end is 2.34 times of former phase current, the diode D that voltage stabilizing is used ₇With load R _LThe negative pole of back in parallel one termination rectification output end, other end series connection protective resistance R ₁After connect the positive pole of rectification output end.Under the situation that generator speed increases, the A of stable-pressure device ₁, B ₁The voltage at two ends is greater than stabilivolt D ₇Design voltage the time, stabilivolt D ₇Reverse breakdown, electric current is by A ₁By stabilivolt D ₇To B ₁, resistance R ₁And the corresponding increase of electric current of generator coil, voltage also increases, and makes A ₁, B ₁The voltage at two ends reduces, and the voltage limit that makes the load two ends is in scope of design.

Stabilivolt D among the concatermer of diode or switching diode Dal-Dan and Fig. 3 among Fig. 4 ₇Effect identical, the output voltage of the individual data electrical generator of diode and deciding selects for use 16 diodes to be advisable as the electrical generator of 12V.

The concatermer role of diode Dbl-Dbn and stabilivolt is with the stabilivolt D among Fig. 3 among Fig. 5 ₇, diode Dbl-Dbn number regulate stabilivolt D ₈The voltage stabilizing value.

As shown in Figure 6, the diode D that uses of voltage stabilizing ₉With resistance R ₂After the series connection again with load R _LParallel connection, load R _LWith resistance R ₂Termination aerotron BG ₁The collecting electrode protective resistance R that connects again ₁After connect the positive pole of rectification output, stabilivolt D ₉With resistance R ₂Line meet aerotron BG ₁Base stage, work as A ₄, B ₄When the voltage at two ends surpasses design value, stabilivolt D ₉Conducting, resistance R ₂The voltage at two ends raises, aerotron BG ₁Base tension also raises, aerotron BG ₁Conducting, resistance R ₁On electric current increase resistance R ₁The voltage at two ends also raises, and makes A ₄, B ₄The voltage at two ends reduces, load R _LThe voltage limit at two ends is in scope of design.

Diode Dc among Fig. 7 ₁The concatermer role of-Dcn is with the stabilivolt D among Fig. 6 ₉Effect identical, the output voltage of the individual data electrical generator of diode and deciding, as the 6V electrical generator, the utility model is selected 8 diodes for use.

Diode De among Fig. 8 ₁-Den and D ₁₀The effect of concatermer with the stabilivolt D among Fig. 6 ₉, diode De ₁The number of-Den is used for regulating stabilivolt D ₁₀The voltage stabilizing value.

As shown in Figure 9, resistance R ₅The positive pole and the aerotron BG of one termination rectification output ₄Collecting electrode, other end connecting resistance R ₆, aerotron BG ₄Base stage and BG ₅Collecting electrode, resistance R ₆Another termination aerotron BG ₅Emitter, resistance R ₇With load R _LThe back links aerotron BG with the negative pole of rectification output ₄Emitter meet stabilivolt D ₁₂Negative pole and load R _LThe other end, stabilivolt D ₁₂Positive pole meet aerotron BG ₅Base stage and resistance R ₇The other end, work as A ₆, B ₆When the voltage at two ends is lower than specified value, resistance R ₅Give aerotron BG ₄Provide biasing, aerotron BG ₄Saturation conduction is worked as A ₆, B ₆When the voltage at two ends is higher than specified value, stabilivolt D ₁₂Conducting, aerotron BG ₅Conducting, resistance R ₅On pressure drop increase aerotron BG ₄Base current diminishes, and emitter current also diminishes, load R _LThe voltage at two ends is reduced to specified value.

Claims (3)

1, car light brightening device is by three phase alternator, rectifier, stable-pressure device and load R _lForm, it is characterized in that described rectifier be three phase alternator three phase lines mouth respectively with the rectifier diode D of two series aiding connections ₁With D ₄, D ₂With D ₅, D ₃With D ₆Between lead-in wire join three diode D ₁, D ₂, D ₃Negative pole be linked together, as the positive pole of rectification output end, three diode D ₄, D ₅, D ₆Positive pole be linked together negative pole as rectification output end; Described stable-pressure device is the diode D that voltage stabilizing is used ₇With load R _lAfter the parallel connection, the negative pole of a termination rectification output end, other end series connection protective resistance R ₁After connect the positive pole of rectification output end.

2, car light brightening device according to claim 1 is characterized in that described stable-pressure device is the diode D that voltage stabilizing is used ₉With resistance R ₂After the series connection again with load R _LParallel connection, load R _LWith resistance R ₂Termination aerotron BG ₁Emitter and the negative pole of rectification output, load R _LThe diode D that uses with voltage stabilizing ₉Termination and aerotron BG ₁The collecting electrode protective resistance R that connects again ₁The back joins the diode D that voltage stabilizing is used with the positive pole of rectification output ₉With resistance R ₂Line meet aerotron BG ₁Base stage.

3, car light brightening device according to claim 1 is characterized in that described stable-pressure device is in resistance R ₅The positive pole and the aerotron BG of one termination rectification output ₄Collecting electrode, another termination R ₆, BG ₄Base stage and aerotron BG ₅Collecting electrode, resistance R ₆Another termination aerotron BG ₅Emitter, resistance R ₇With load R _LThe back links to each other aerotron BG with the negative pole of rectification output ₄Emitter meet stabilivolt D ₁₂Negative pole and load R _LThe other end, stabilivolt D ₁₂Positive pole meet aerotron BG ₅Base stage and resistance R ₇The other end.

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