CN2365509Y

CN2365509Y - Potential-energy illuminating apparatus

Info

Publication number: CN2365509Y
Application number: CN 99204457
Authority: CN
Inventors: 孙烨
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-11
Filing date: 1999-03-11
Publication date: 2000-02-23
Anticipated expiration: 2009-03-11

Abstract

The utility model discloses a potential-energy illuminating apparatus which uses a spring to store energy to drive a generator. The utility model comprises a microgenerator, a load, an energy storage spring, a speed increasing gear and a belt pulley, wherein, a left and a right fork fingers which are mutually intersected are connected to a generator shaft; a belt passes round the cross points of the belt pulley and the fork fingers; two shifting forks are respectively inserted in annular flutes of two fork fingers to control the match of right-hand threads and left-hand threads on an output shaft of the generator and right-hand threads and left-hand threads on the two shifting forks; the input voltage for controlling the generator is provided by a control circuit. The utility model has the advantage of high transmission and utilization efficiency of energy and can be used as a working power supply of illumination, walkmans, radios, etc.

Description

The potential energy lighting device

The utility model is a kind of potential energy lighting device that utilizes the clockwork spring energy storage to drive generator.

Existing portable illumination device, as torch, emergency light etc., need to use battery or rechargeable battery, if do not have battery or do not have charge condition, just can't use, or owing to rechargeable battery is placed for a long time, the electric energy meeting self discharge emptying that stores, once emergency, influence is used because having little time charging, for taking at any time, had again as the patent No. is 93203414.4 " potential energy lighting device ", it is to adopt free escapement to stablize commentaries on classics to refuse and rotating speed, export with stabilized power source, but because elastic clockwork spring is about to discharge the latter stage that finishes at initial stage and the energy that last completely string begins to release energy, the moment of torsion of output differs greatly, reach more than 10 times, like this, for can be in the whole process that elastic clockwork spring releases energy, can both steady operation, the moment of torsion that the stage not phase that the adjustment of this escapement must close to an end with the release of elastic clockwork spring energy is exported is as the criterion, and causes the big output torque in the interstage of exergonic initial stage of elastic clockwork spring and release can't obtain utilizing, most energy is wasted, and efficient descends greatly.

The purpose of this utility model is, provides a kind of simple to operate, high efficiency, and the portable potential energy lighting device that can use at any time is to overcome the deficiency of prior art.

Following mode can realize the utility model:

The potential energy lighting device comprises microgenerator, luminous load, energy storage clockwork spring and speed increasing gear, speed increasing gear drives belt pulley, it comprises an automatic no-load voltage ratio transmission mechanism, this mechanism connects the left side on the microgenerator power shaft interdigital interdigital with the right side, the left and right sides is interdigital can to move freely vertically, can rotate synchronously with power shaft again, a left side, right interdigital mutual intersection, driving belt is walked around a belt pulley and a left side, right interdigital crosspoint, a left side, there is annular recess in the right interdigital outside, other has two shift forks to insert respectively in two grooves, and can slide along groove, on the output shaft of control motor of band rotating just, on left-hand thread and two shift forks just, left-hand thread matches, and the input voltage of control motor is provided by control circuit.

The input of described control circuit connects generator output end, again through filter circuit be connected in parallel the pressure limiting bleeder circuit and the mu balanced circuit that is connected in parallel, operating circuit is supplied with in mu balanced circuit output, load is connected in parallel on generator output end, output voltage for stable generator, output at filtering and mu balanced circuit is connected with power-sensing circuit, the output of power-sensing circuit connects upper limit comparison circuit and lower limit comparison circuit respectively, the output of two comparison circuits enters is respectively just adjusting the control motor, the on-off circuit of counter-rotating, the output of on-off circuit connects the input of control motor.

The utility model adopts automatic no-load voltage ratio transmission mechanism to carry out the voltage stabilizing of electronics speed stabilizing, so the transmission and the utilization ratio height of energy, limited energy storage is fully used, output voltage stabilization, when having avoided expiring string, output voltage is higher, output voltage phenomenon on the low side when clockwork spring loosens, this lighting device processing ease can use at any time.

Fig. 1 is the utility model frame for movement schematic diagram.

Fig. 2 is the control circuit electrical schematic diagram.

Fig. 3 is interdigital front view.

Fig. 4 is the side view of Fig. 3.

Fig. 5 is the shift fork front view.

Fig. 6 is the side view of Fig. 5.

Embodiment:

Fig. 1 shows the frame for movement of this device, shakes handle 21, tightens clockwork spring 20, utilizes the clockwork spring energy storage, and clockwork spring drives belt pulley 17 rotations, at microgenerator M by speed increasing gear 19 and 18 then ₁Have on the power shaft 12 of external splines, about relatively key be connected with the left side interdigital 13 and the right side interdigital 14 of band internal splined hole, left and right interdigital can moving freely along axle 12, can rotate synchronously with power shaft again, left and right interdigital index is 8, left and right interdigital mutual intersection, and driving belt 16 is walked around the interdigital crosspoint of the belt pulley 17 and the left and right sides, drive interdigital 13,14 rotations, microgenerator M ₁Power shaft 12 rotates thereupon, makes generator M ₁Send electric energy, other has the shift fork 10 that has the plus thread hole and the shift fork 9 that has the left-hand thread hole and the control motor M of being with rotating ₂Plus thread on the output shaft 11 and left-hand thread end match, and the semicircle end of shift fork 10 and shift fork 9 inserts respectively in the annular groove in left and right interdigital 13, the 14 cylindrical end outside, and can slide along groove, the control motor M ₂Input voltage send into from 3,4 contacts by control circuit, the input of control circuit 1,2 connects microgenerator M ₁Output is through capacitor C ₁Filtering, voltage-stabiliser tube DW ₁, resistance R ₂With transistor BG ₅The pressure limiting bleeder circuit of forming is connected in parallel on C ₁Two ends, DW ₂, C ₂, R ₃The mu balanced circuit of forming also is connected in parallel on C ₁Two ends, voltage stabilizing output is to each discharge circuit power supply, load R _LCan be small household appliances such as bulb, radio, load R _LBe directly parallel in generator output end, for stablizing microgenerator M ₁Output voltage, be connected across the transistor BG of voltage input end ₁-BG ₄Constitute the on-off circuit of realizing control motor forward and backward, its base terminal is A, B, C, D, and the on-off circuit lead-out terminal is 3,4, by IC ₁, R ₅, R ₆, R ₇, C ₃, constitute current detecting amplifying circuit, W ₁The conducting resistance of control FET MOSFET, MOSFET and IC ₂Constitute multiplying operational circuit, obtain the product of voltage, electric current thus, get detected performance number, IC ₂Output connect by IC respectively ₃, W ₃, R ₁₀, R ₁₁, D ₁₀The upper limit comparison circuit in-phase input end of forming and by IC ₄, W ₄, R ₁₉, R ₂₀The reverse input end of the lower limit comparison circuit of forming, when power during less than setting value, IC ₄Upset, the output high level, control is by IC ₆The interrupted circuits for triggering of time-delay that constitute, IC ₆Output B, C keep interrupted high potential, driving switch pipe BG ₂, BG ₃Conducting, at 3,4 ends voltage output is arranged, 4 terminal potential height just change the control motor M step by step, and shift fork 10,9 separates step by step, two interdigital 13,14 with shift fork opened in 10,9 minutes and away from, the circular diameter of the crosspoint formation of 16 forks is increased, the belt pulley 17 and the gearratio of interdigital intersection point circle are changed, reduce speed increasing ratio gradually, strengthen output torque, thereby power output is increased; When power output greater than when setting value, IC ₃Upset, control is by IC ₅The interrupted circuits for triggering of time-delay that constitute, IC ₅Output terminals A, D keep interrupted high potential, driving switch pipe BG ₁, BG ₄Conducting, 3,4 ends have voltage output, and 3 terminal potential height make the control motor M ₂Counter-rotating step by step, shift fork 10,9 is also close thereupon near two interdigital 13,14 gradually, interdigital crossed-circle diameter reduces, increase speed increasing ratio gradually, reduce output torque, thereby reduce power output, through control circuit and the control and the adjusting of no-load voltage ratio transmission mechanism automatically, make this device power output stable like this.

In the generating power supply process, when repeating to tighten clockwork spring,, cause the power output increase very fast, IC because the increase of clockwork spring moment of torsion is very fast ₅Time-delay interrupted trigger the variation that has little time to follow the tracks of power, at this moment by IC ₇The comparator upset that transport and placing device is formed is existed side by side and is engraved in output terminals A, D exports continuous high potential, driving switch pipe BG ₁, BG ₄, the control motor is reversed continuously, reduce output torque, reduce power output, so just can follow the tracks of the growth of clockwork spring moment of torsion fast, make power output stable.Shift fork 10,9 mutually near or when being separated into extreme position, shift fork 10,9 is connected contact 5,6 or 7,8, promptly 5,6 in the control circuit (Fig. 2) or 7,8 are through metal shift fork 10,9 and metal shaft 11 short circuits, the control motor M ₂No input voltage stops operating, and plays a protective role.Spring 15 is around microgenerator M ₁On the power shaft 12, both ends of the spring withstands on left and right interdigital 13, the 14 cylindrical end internal chamber walls, spring 15 is used for balance feed belt 16 and acts on interdigital 13,14 the axial thrust load that produces, and reduces shift fork 10,9 suffered axial force in interdigital annular groove, thereby reduces frictional dissipation.

Claims

1, a kind of potential energy lighting device, comprise microgenerator, load, the energy storage clockwork spring, speed increasing gear and belt pulley, it is characterized in that: further comprising an automatic no-load voltage ratio transmission mechanism, this mechanism connects the left side on the microgenerator power shaft interdigital interdigital with the right side, the left and right sides is interdigital can to move freely vertically, can rotate synchronously with power shaft again, a left side, right interdigital mutual intersection, driving belt is walked around a belt pulley and a left side, right interdigital crosspoint, a left side, there is annular recess in the right interdigital outside, other has two shift forks to insert respectively in two grooves, and can slide along groove, on the output shaft of control motor of band rotating just, on left-hand thread and two shift forks just, left-hand thread matches, and the input voltage of control motor is provided by control circuit.

2, potential energy lighting device according to claim 1, it is characterized in that: the input of described control circuit connects generator output end, again through filter circuit be connected in parallel the pressure limiting bleeder circuit and the mu balanced circuit that is connected in parallel, operating circuit is supplied with in mu balanced circuit output, load is connected in parallel on generator output end, output voltage for stable generator, output at filtering and mu balanced circuit is connected with power-sensing circuit, the output of power-sensing circuit connects upper limit comparison circuit and lower limit comparison circuit respectively, the output of two comparison circuits enters is respectively just adjusting the control motor, the on-off circuit of counter-rotating, the output of on-off circuit connects the input of control motor.

3, potential energy lighting device according to claim 2 is characterized in that: the output of described power-sensing circuit also connects a quick upper limit comparison circuit.

4, potential energy lighting device according to claim 1 is characterized in that: two shift forks mutually near or away to extreme position the time, connect with set feeler 5,6 or 7,8 respectively.

5, potential energy lighting device according to claim 1 is characterized in that: a spring is on the microgenerator power shaft, and both ends of the spring withstands on the left and right interdigital cylindrical end internal chamber wall.

6, potential energy lighting device according to claim 1 is characterized in that: the microgenerator power shaft adopts spline to be connected with left and right between interdigital.