CN206136403U - Permanent power car LED day portable lighter system based on micromotor is from electricity generation - Google Patents

Abstract

The utility model discloses a permanent power car LED day portable lighter system based on micromotor is from electricity generation, this system includes: the setting is at the LED banks of car front end both sides, through the power supply unit that the switch links to each other with the LED banks, a plurality of micromotor that this power supply unit includes parallel connection is from power generation facility, the super farad capacitor of a plurality of and low pressure battery, the setting makes the power supply unit give LED banks output constant current source's constant current control circuit between the control end of switch and LED banks, every micromotor from power generation facility including the micromotor of installing the air inlet position in automobile front end bumper, connect little motor shaft's screw and draw with the positive negative pole of micromotor and link to each other with low pressure battery or super farad capacitor after concatenating the diode. The utility model discloses simple structure, realize that the cost is lower, system internal integration battery and micromotor be from power generation facility and do not had the circuit to throw out of gear with the car, the energy -concerving and environment -protective advantage of being convenient for recycle and have.

Description

Invariable power automobile LED day portable lighter system based on micro machine self power generation

Technical field

This utility model is related to a kind of LED days portable lighter system, more particularly, to a kind of automobile based on micro machine self power generation LED day portable lighter systems.

Background technology

LED daytime running lamps are a running signal lamps on daytime installed in body forward structure, abbreviation LED day portable lighters.Due to It uses LED light source, and opens on daytime, used in driving a vehicle in the daytime, therefore referred to as LED daytime running lamps.It main Effect is not configured to enable driver to see road surface clearly, but the quilt of automobile is improved in the case of line-of-sight circumstances of driving a vehicle in the daytime are poor Identification, allowing between pedestrian and car and car and car can preferably discover earlier and recognize, prevent accident in advance, ensure driving Safety.Lamp package adopts LED light source, and energy consumption is only the 15% of common car light.The light fixture is a kind of novel green light source, is not contained The heavy metals such as hydrargyrum, pollution-free, noiselessness, without electronic interferences.It is elegant in appearance due to its energy-saving and environment friendly, it is safe and reliable, it is subject to Generally pursue in market.

At present the LED day portable lighters of overwhelming majority automobile factory preset are directly connected to use with automobile storage battery.Its shortcoming For：1st, using accumulator car load power consumption is had an impact as power supply.2nd, general LED is constant brightness, and LED luminance is fast with speed Slow onrelevant.

Utility model content

To overcome the defect of prior art, the utility model proposes a kind of simple structure, cost of implementation it is relatively low based on micro- The invariable power automobile LED day portable lighter system of motor self power generation.

A kind of invariable power automobile LED day portable lighter system based on micro machine self power generation, the system includes：Before being arranged on automobile The LED light group of end both sides；By switching the power supply unit being connected with LED light group, the power supply unit is some including what is be connected in parallel Individual micro machine self-generating device, several super farad capacitors and low tension battery；It is arranged on the control end and LED light group of switch Between make power supply unit to LED light group export constant current constant-current control circuit；

Wherein, each micro machine self-generating device includes micro- electricity of the air inlet position being installed in automotive front end bumper Machine, connection micro machine rotating shaft propeller and with the both positive and negative polarity of micro machine draw after series diode with low tension battery or super Farad capacitor is connected.

Wherein, switch as transistor, the grid of transistor is connected with the outfan of constant-current control circuit, drains and source electrode point Not Lian Jie power supply unit positive pole and negative pole.

Wherein, constant-current control circuit includes current sampling circuit, amplifier circuit, single-chip microcomputer U2, the light being sequentially connected Coupling U3, PWM driving chip U4, by the control end of the outfan connecting valve of PWM driving chip U4.

Wherein, amplifier circuit includes operational amplifier U1, and the positive input terminal of operational amplifier U1 passes through resistance R3 Be connected to the common port of resistance R1 and resistance R2, negative input end connect through resistance R4 ground connection and negative input end pass through feedback resistance R5 connects outfan, and the outfan of operational amplifier U2 connects the A/D sample port of single-chip microcomputer U2 by resistance R6.

Wherein, the input of the control end series resistor R7 connection optocoupler U3 of single-chip microcomputer U2, and the output of optocoupler U3 End is connected with the input of PWM driving chip U4.

Compared with prior art, this utility model has the advantages that：

This utility model simple structure, cost of implementation are relatively low, are rotated using the rotating shaft of wind drive propeller-driven micro machine Micro machine can be made to generate electricity, super farad capacitor parallel connection low tension battery is used used in system, effective protection accumulator and LED days Portable lighter group, and the integrated accumulator of internal system and micro machine self-generating device and be not not connected to the existing circuit of automobile, be easy to follow Ring uses and has the advantages that energy-conserving and environment-protective.

Description of the drawings

Fig. 1 is schematic view of the mounting position of the LED day portable lighters on automobile；

Fig. 2 is the circuit theory schematic diagram of LED day portable lighter systems；

Fig. 3 is the electrical block diagram of LED day portable lighter systems.

Fig. 4 is the circuit diagram of constant-current control circuit.

Specific embodiment

The utility model proposes the relatively low invariable power automobile based on micro machine self power generation of a kind of simple structure, cost of implementation LED day portable lighter systems, automobile LED day portable lighter system be not connected with completely with the existing accumulator of automobile.With reference to Fig. 1, Fig. 2 and Shown in Fig. 3, specifically, automobile LED day portable lighter system include：The LED light group 1 being made up of several LED bulbs in parallel, The LED light group 1 is arranged on the both sides of automotive front end；The power supply unit 2 being connected with LED light group 1 by switch 3, the power supply unit 2 Including several micro machine self-generating devices 21, several super farad capacitors 22 and low tension battery 23 for being connected in parallel；If The constant-current control circuit 4 between the control end and LED light group 1 of switch 3 is put, power supply unit 2 is made by the constant-current control circuit 4 Constant current is exported to LED light group 1, so that LED light group 1 keeps firm power (i.e. constant brightness).

Wherein, each micro machine self-generating device 21 includes the micro- of the air inlet position being installed in automotive front end bumper Motor 212, connection the rotating shaft of micro machine 212 propeller 211 and draw after series diode 213 with the both positive and negative polarity of micro machine 212 It is connected with low tension battery 23.

After automobile starting, the low tension battery 23 of LED day portable lighters system 1 starts to provide power to LED light group 1.Automobile After starting to advance, wind drive propeller 211 drives the rotating shaft rotation of micro machine 212, micro machine 212 to start to generate electricity, micro machine 212 generation currents can only unidirectionally be flowed into low tension battery 23 with super farad capacitor 22 and while be supplied to LED light group 1. The LED light group 1 provides the optical signal of variable warning for pedestrian and automobile, while will not produce to other motorists and pedestrian Harmful effect.Meanwhile, the system is powered using micro machine self power generation to LED light group 1, meets the development trend of energy-conserving and environment-protective.

With reference to shown in Fig. 4, its breaker in middle 3 is a transistor Q1, and the grid of transistor Q1 is and the phase of constant-current control circuit 4 Control end even, the positive pole of drain electrode connection power supply unit 2, source electrode are directly connected to the negative pole of power supply unit.Specifically, constant current control Circuit processed 4 includes current sampling circuit, amplifier circuit, single-chip microcomputer U2, optocoupler U3, PWM driving chip U4 being sequentially connected, The grid of transistor Q1 is connected by the outfan of PWM driving chip U4.Current sampling circuit includes being connected to power supply unit 2 just The resistance R1 mutually concatenated between pole and ground and resistance R2.Amplifier circuit includes operational amplifier U1, operational amplifier U1 Positive input terminal by resistance R3 be connected to the common port of resistance R1 and resistance R2, negative input end connect through resistance R4 ground connection and Negative input end connects outfan by feedback resistance R5, and the outfan of operational amplifier U2 connects single-chip microcomputer U2 by resistance R6 A/D sample port.The input of one control end series resistor R7 connection optocoupler U3 of single-chip microcomputer U2, and the output of optocoupler U3 End is connected with the input of PWM driving chip U4.

After the output current of power supply unit 2 is sampled by current sampling circuit, the sampled amplifying circuit of sampled result is transported Calculate and the A/D sample port of single-chip microcomputer U2 is delivered to after processing and amplifying, by single-chip microcomputer U2 by current flow sampled result a1 and default electricity Flow valuve a0 is compared, if a1 >=a0, single-chip microcomputer U2 sends the first control signal control PWM driving chip U4 and reduces its output The dutycycle of the pwm signal of end OUT outputs, reduces the ON time of transistor Q1, conversely, single-chip microcomputer U2 sends the second control letter Number control PWM driving chip U4 increase its outfan OUT output pwm signal dutycycle with during the conducting for increasing transistor Q1 Between, so that power supply unit 2 is exported is infinitely close to pre-set current value a0 to the electric current of LED light group 1, so as to realize constant current control System, it is ensured that LED light group 1 has same brightness.

To sum up, this utility model can make micro machine generate electricity using wind drive propeller-driven micro machine rotating shaft rotation, be Super farad capacitor parallel connection low tension battery is used used in system, effective protection accumulator and LED day portable lighter groups, and internal system Integrated accumulator and micro machine self-generating device and be not not connected to the existing circuit of automobile, be easy to recycle and with energy-saving ring The advantage of guarantor.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model Protection domain within.

Claims (5)

1. the invariable power automobile LED day portable lighter system of micro machine self power generation is based on, it is characterised in that the system includes：It is arranged on The LED light group of automotive front end both sides；By switching the power supply unit being connected with LED light group, the power supply unit includes being connected in parallel Several micro machine self-generating devices, several super farad capacitors and low tension battery；Be arranged on the control end of switch with Make power supply unit that the constant-current control circuit of constant current is exported to LED light group between LED light group；

Wherein, each micro machine self-generating device include being installed on air inlet position in automotive front end bumper micro machine, Connection micro machine rotating shaft propeller and with the both positive and negative polarity of micro machine draw after series diode with low tension battery or super method Electric capacity is drawn to be connected.

2. the invariable power automobile LED day portable lighter system of micro machine self power generation is based on according to claim 1, it is characterised in that Switch as transistor, it is single that the grid of transistor is connected with the outfan of constant-current control circuit, drain electrode and source electrode are connected respectively power supply The positive pole and negative pole of unit.

3. the invariable power automobile LED day portable lighter system of micro machine self power generation is based on according to claim 1, it is characterised in that Constant-current control circuit includes that the current sampling circuit being sequentially connected, amplifier circuit, single-chip microcomputer U2, optocoupler U3, PWM drive core Piece U4, by the control end of the outfan connecting valve of PWM driving chip U4.

4. the invariable power automobile LED day portable lighter system of micro machine self power generation is based on according to claim 3, it is characterised in that Amplifier circuit includes operational amplifier U1, the positive input terminal of operational amplifier U1 by resistance R3 be connected to resistance R1 with The common port of resistance R2, negative input end connect through resistance R4 ground connection and negative input end connects outfan by feedback resistance R5, And the outfan of operational amplifier U2 connects the A/D sample port of single-chip microcomputer U2 by resistance R6.

5. the invariable power automobile LED day portable lighter system of micro machine self power generation is based on according to claim 3, it is characterised in that One control end series resistor R7 of single-chip microcomputer U2 connects the input of optocoupler U3, and the outfan of optocoupler U3 drives core with PWM The input of piece U4 is connected.