CN206602676U - Power generating hub energy storage pressure stabilizing and lighting lamp control circuit - Google Patents

Abstract

The utility model discloses a kind of power generating hub energy storage pressure stabilizing and lighting lamp control circuit, the control circuit includes lithium cell core BAT, illuminating lamp LED and the power generating hub G for storing electric energy；Commercially available lithium cell core BAT is made up of single lithium battery and management of charging and discharging circuit, and IN is charging input end, and OUT is electric energy output end positive pole, and GND is negative pole of output end, and GND is grounded in circuit；Parallel connection is constituted LED illumination lamp again after each current-limiting resistance R7 that connects of three 1W large-power light-emitting diodes；It is characterized in that：Also include bridge rectifier, triggers circuit and light-operated circuit in the control circuit；Illuminating lamp is by lithium battery power supply, and power generating hub is lithium cell charging；When ambient light is dark to a certain extent and illuminating lamp is lighted automatically when bicycle is in transport condition；The illuminating lamp automatic distinguishing when ambient light is bright or bicycle is in halted state；No matter bicycle is carried out or riding speed speed, lighting brightness is constant.

Description

Power generating hub energy storage pressure stabilizing and lighting lamp control circuit

Technical field

The utility model is related to control circuit, and in particular to a kind of power generating hub energy storage pressure stabilizing and lighting lamp control circuit.

Background technology

Power generating hub is that permanent magnet alternator and bicycle drive shaft are integrated together to the TRT being made, specified Output AC voltage is 6V during speed（Virtual value, the nearly 9V of peak value）, power 2.4W.At present, high-grade bicycle is generally using generating Flower-drum is as mains lighting supply, and flower-drum rotates generating, supply illuminating lamp work when riding.Due to the output voltage of this power generating hub It is directly proportional to vehicle wheel rotational speed, therefore there is problems with：In implementation or slower riding speed, power generating hub output voltage is low, Lighting brightness is low, does not see road surface；And in quick ride, and because output voltage is too high, usually burn lighting bulb.

The content of the invention

The purpose of this utility model is：A kind of power generating hub energy storage pressure stabilizing and lighting lamp control circuit are provided, to voluntarily Car power generating hub output electric energy stored, voltage stabilizing and illumination automatically control, regardless of bicycle speed how illuminating lamp it is bright Degree is constant, will not see road surface during implementation because brightness is low, also will not be in quick ride because power generating hub voltage is too high Bulb is burnt.

Technical solution of the present utility model is：The power generating hub energy storage pressure stabilizing includes storage with lighting lamp control circuit Deposit the lithium cell core BAT, illuminating lamp LED and power generating hub G of electric energy；Commercially available lithium cell core BAT is by single lithium battery and discharge and recharge Circuit composition is managed, IN is charging input end, and OUT is electric energy output end positive pole, and GND is negative pole of output end, and GND connects in circuit Ground；Parallel connection is constituted LED illumination lamp again after each current-limiting resistance R7 that connects of three 1W large-power light-emitting diodes；Its feature It is：Also include bridge rectifier, triggers circuit and light-operated circuit in the control circuit；Diode D1-D4 is connected into bridge rectifier Circuit, two ac input end connects power generating hub G two output ends, and the positive pole of bridge rectifier meets lithium cell core BAT Charging input end IN, negative pole ground connection；Diode D5, electric capacity C1, resistance R1, R2, R3, triode V1, V2 constitute triggering electricity Road, power generating hub G output terminating diode D5 anode, D5 negative electrode connects electric capacity C1 positive pole, and C1 negative pole is grounded, C1 cathode series resistance R1 is followed by triode V1（NPN type）Base stage, V1 grounded emitter, V1 collector series resistance R2 is followed by triode V2（Positive-negative-positive）Base stage, triode V2 emitter stage meets lithium cell core BAT output head anode OUT, triode V2 colelctor electrode meets variable resistor VR, parallel resistance R3 between triode V2 emitter stage and base stage；Resistance VR, R4, R5, R6, R7, photo resistance Rg, triode V3, V4, illuminating lamp LED constitute light-operated circuit, variable resistor VR series resistances R4 and photosensitive electricity Hinder and be grounded after Rg, resistance R4 and photo resistance Rg tie point meets triode V3（NPN type）Base stage, triode V3 emitter stage Ground connection, triode V3 collector series resistance R5 is followed by triode V4（Positive-negative-positive）Base stage, triode V4 emitter stage connects lithium Battery BAT output head anode OUT, triode V4 collector series resistance R6 are followed by triode V3 base stage, triode V4 colelctor electrode is while series resistance R7 is followed by the anode of LED illumination lamp, the minus earth of LED illumination lamp.

The utility model has advantages below：

1st, illuminating lamp is by lithium battery power supply, and lithium battery is charged by power generating hub, and this programme is made using commercially available lithium cell core For energy-storage travelling wave tube, make list also containing the control circuit of overcharge and overdischarge is prevented in addition to containing a section lithium battery inside it Save lithium battery voltage stable between 3.7-4.2V, such illuminating lamp is substantially stable, institute by the voltage of lithium battery power supply So that regardless of the speed speed of bicycle, how the brightness of illuminating lamp is nearly all constant；Sparking when implementation or riding speed are slow Drum voltage is low, and illuminating lamp is by lithium battery power supply, and power generating hub voltage is raised when riding speed is fast, and on the one hand it supply for illuminating lamp Electricity, is on the other hand lithium cell charging.

2nd, this programme uses light-operated circuit and triggers circuit, when ambient light is dark to a certain extent and bicycle is in Traveling（Carry out or ride）During state, illuminating lamp is automatically turned on, and it is automatic that bicycle stops traveling rear lighting lamp delay a period of time Close, be not required to artificial manipulation of switches and go control；When ambient light is bright or bicycle is in halted state, illuminating lamp is not It can light.

3rd, this programme LED illumination lamp by three 1W large-power light-emitting diodes respectively connect a current-limiting resistance R7 after again simultaneously Connection is constituted, efficient, energy-conservation, long lifespan.

4th, triode V3, V4, resistance R6 are connected into the triggers circuit with hysteresis characteristic, can prevent because ambient light is small size Illuminating lamp flicker caused by degree change.

5th, electric capacity C1 is outer except being filtered to power generating hub G trigger voltage, is also turned off the light function with delay, i.e., night oneself Driving is just travelled and terminated, illuminating lamp can because on C1 electric energy will not release immediately postpone just to extinguish after a period of time, can be Bicycle storing, locking etc. offer convenience.

Brief description of the drawings

Fig. 1 is circuit theory diagrams of the present utility model.

Embodiment

As shown in figure 1, the power generating hub energy storage pressure stabilizing includes the lithium cell core of storage electric energy with lighting lamp control circuit BAT, illuminating lamp LED and power generating hub G；Commercially available lithium cell core BAT is made up of single lithium battery and management of charging and discharging circuit, and IN is Charging input end, OUT is electric energy output end positive pole, and GND is negative pole of output end, and GND is grounded in circuit；LED illumination lamp is by three 1W large-power light-emitting diodes are respectively in parallel again after one current-limiting resistance R7 of series connection to be constituted；It is characterized in that：In the control circuit Also include bridge rectifier, triggers circuit and light-operated circuit；Diode D1-D4 is connected into bridge rectifier, two exchange Input connects power generating hub G two output ends, and the positive pole of bridge rectifier meets lithium cell core BAT charging input end IN, Negative pole is grounded；Diode D5, electric capacity C1, resistance R1, R2, R3, triode V1, V2 constitute triggers circuit, the one of power generating hub G Individual output terminating diode D5 anode, D5 negative electrode connects electric capacity C1 positive pole, C1 negative pole ground connection, C1 cathode series resistance R1 is followed by triode V1（NPN type）Base stage, V1 grounded emitter, V1 collector series resistance R2 is followed by triode V2 （Positive-negative-positive）Base stage, triode V2 emitter stage meets lithium cell core BAT output head anode OUT, and triode V2 colelctor electrode connects can Become resistance VR, parallel resistance R3 between triode V2 emitter stage and base stage；Resistance VR, R4, R5, R6, R7, photo resistance Rg, Triode V3, V4, illuminating lamp LED are constituted and are grounded after light-operated circuit, variable resistor VR series resistances R4 and photo resistance Rg, resistance R4 and photo resistance Rg tie point meets triode V3（NPN type）Base stage, triode V3 grounded emitter, triode V3's Collector series resistance R5 is followed by triode V4（Positive-negative-positive）Base stage, triode V4 emitter stage connects lithium cell core BAT output Rectify pole OUT, triode V4 collector series resistance R6 is followed by triode V3 base stage, and triode V4 colelctor electrode is gone here and there simultaneously Connection resistance R7 is followed by the anode of LED illumination lamp, the minus earth of LED illumination lamp.

During bicycle running, vehicle wheel rotation power generating hub is generated electricity, and alternating current is exported by two lead-out terminals；Bridge rectifier electricity The AC rectification that road exports power generating hub G is connected to lithium cell core BAT input IN, is lithium cell charging into direct current； During bicycle running, the alternating current that power generating hub G is sent charges through D5 halfwave rectifier for electric capacity C1, and electric current makes through resistance R1, R2 Triode V1, V2 are turned on, and A points obtain electric, are that follow-up light-operated circuit is powered；In bicycle halted state, electric capacity C1 voltages are 0, Triode V1, V2 end, and A point dead electricity, light-operated circuit does not work；Illuminating lamp LED light on and off are voluntarily by two factor controllings, one Whether car travels, and two be ambient light brightness；Bicycle running, A points obtain it is electric in the case of, ambient light is darker, photosensitive electricity Resistance Rg resistances are bigger, and B point current potentials are higher, and when ambient light is dark to a certain extent, B point current potentials are increased to 0.5V（0.5V is V3 The dead zone voltage of silicone tube）When, triode V3, V4 successive conductive, C points current potential rise, illuminating lamp LED obtains electric light；C points are electric simultaneously Bigger base stage feedback current is provided for triode V3 by resistance R6 after the rise of position, hysteresis characteristic is produced, V3, V4 depth is satisfied And conducting, it is to avoid light flash；Variable resistor VR is used for adjusting lighting illuminating lamp in suitable ambient brightness；In cyclery Sail, A points obtain it is electric in the case of, if ambient light is bright, because photo resistance Rg resistances are smaller, B points current potential is less than 0.5V, three Pole pipe V3, V4 is all ended, and illuminating lamp LED extinguishes；In the case of bicycle stopping, A point dead electricity, no matter ambient light light and shade is such as What B points current potential is all 0, and triode V3, V4 are all without conducting, and illuminating lamp LED is all without lighting.

In a word, when ambient light is dark to a certain extent, and in the case of bicycle running, illuminating lamp can be from dynamic point It is bright；Conversely, illuminating lamp can be closed automatically when ambient light is bright or bicycle is in halted state, artificial switch control is not required to System.Certainly, on the premise of ambient light is dark, bicycle has just been ridden end, due to storing electric energy on electric capacity C1, it is necessary to A period of time can just release, therefore illuminating lamp can postpone a period of time extinguishing（Time length depends on C1 amount of capacity, works as C1 When capacity is 20 μ F, time delay is about 10 seconds）, exactly bicycle storing, locking etc. bring great convenience.

Claims (1)

1. power generating hub energy storage pressure stabilizing and lighting lamp control circuit, the control circuit include storage electric energy lithium cell core BAT, Illuminating lamp LED and power generating hub G；Commercially available lithium cell core BAT is made up of single lithium battery and management of charging and discharging circuit, and IN is charging Input, OUT is electric energy output end positive pole, and GND is negative pole of output end, and GND is grounded in circuit；LED illumination lamp is by three 1W Large-power light-emitting diodes respectively in parallel again after one current-limiting resistance R7 of series connection constitute；It is characterized in that：Also wrapped in the control circuit Include bridge rectifier, triggers circuit and light-operated circuit；Diode D1-D4 is connected into bridge rectifier, two exchange input Power generating hub G two output ends are terminated, the positive pole of bridge rectifier meets lithium cell core BAT charging input end IN, negative pole Ground connection；Diode D5, electric capacity C1, resistance R1, R2, R3, triode V1, V2 constitute triggers circuit, and one of power generating hub G is defeated Go out terminating diode D5 anode, D5 negative electrode is connect after electric capacity C1 positive pole, C1 negative pole ground connection, C1 cathode series resistance R1 The base stage of triode V1 NPN types is connect, V1 grounded emitter, V1 collector series resistance R2 is followed by triode V2 positive-negative-positives Base stage, triode V2 emitter stage meets lithium cell core BAT output head anode OUT, and triode V2 colelctor electrode connects variable resistor Parallel resistance R3 between VR, triode V2 emitter stage and base stage；Resistance VR, R4, R5, R6, R7, photo resistance Rg, triode V3, V4, illuminating lamp LED are constituted and are grounded after light-operated circuit, variable resistor VR series resistances R4 and photo resistance Rg, resistance R4 and light Quick resistance Rg tie point connects the base stage of triode V3 NPN types, triode V3 grounded emitter, triode V3 colelctor electrode Series resistance R5 is followed by the base stage of triode V4 positive-negative-positives, and triode V4 emitter stage connects lithium cell core BAT output head anode OUT, triode V4 collector series resistance R6 are followed by triode V3 base stage, and triode V4 colelctor electrode is while series resistance R7 is followed by the anode of LED illumination lamp, the minus earth of LED illumination lamp.