CN101694267A - Self-powered flashlight - Google Patents

Abstract

The invention relates to a self-powered flashlight comprising a reciprocating generator, a rectifier circuit, a filtering storage capacitor and a diode lamp, wherein the reciprocating generator is a core and generates electricity in such a way that magnet clusters with same poles opposite to each other are clustered together and reciprocate in a cluster of enameled coils close to the magnet clusters; the winding direction of the clusters of the enameled coils is as follows: if the first enameled coil is clockwise wound, the second enameled coil is counterclockwise wound, i.e. positive and negative coils are wound at intervals, and the reciprocating force of the magnet clusters is from the inertia of the magnet clusters, which is obtained by rocking a flashlight shell by hands.

Description

Flashlight with electric generation by itself

Technical field:

The present invention a kind ofly uses the people of flashlight oneself to rock the flashlight of generating in use.

Background technology:

Present self power generation torch, what I knew has two kinds on the market, and a kind of is with holding driven gear, uprising and drive generator again after the speed and generate electricity.Its advantage is that volume is little, and is in light weight; Shortcoming is that power is little, and moving big, the dry sound of color break-up is big, the life-span is short.Another is pioneer of the present invention: a coil, and a joint magnetite, advantage is in light weight, and shortcoming is that power is little, and dry sound is big.They have a shortcoming: not filtering shadow flashes greatly, and a filtering is nowhere near bright again, and is impracticable.Rechargeable torch shortcoming on the market is that the life-span is short, will charge after 1 year, and it is not enough still to show electric power everyday, and lamp is bright inadequately, uses for many years, and repeatedly purchase cost is big.The dry cell torch, it is big to buy the battery cost, and other shortcoming is arranged.

Summary of the invention:

The present invention is with all torch ratios, and volume is medium, life-span speciality 50---and 100 years, with other self power generation torch ratio, shadow flashed little, and power is big, and dry sound is little.For many years under the situation of Shi Yonging, with various torch than cost minimum.Use this self power generation torch, bright and clear forever, there are not Rechargeable torch and not too bright problem of dry cell torch later stage.Shortcoming is: weight is big, and 430 grams are arranged.

Core of the present invention is the generator in the flashlight.Generator is made up of five enameled wire loops of plastic tube, plastic tube outside and the magnetite string in the plastic tube.A thin plastic hoop that puts six consistency of thickness above the plastic tube, six plastic hoops are divided into seven sections to plastic tube, wherein second and third, four, five, six segment length equate, and equal the length of a cylindric magnetite.First section and the 7th segment length be about equally again than the appearance of second section weak point 1/3rd, second and third, on four, five, six sections around totally five enameled wire loops.The coiling direction is: if second, four, six section clockwise direction around, then the 3rd, five section just counterclockwise around, if the second, four, six sections counter clockwise directions around, then the 3rd, five section with regard to clockwise direction around, promptly one positive one is anti-, an one positive back-roll connects the filtering storage capacitor after two the end of a thread of enamel-covered wire connect bridge rectifier, rectifier, filtering storage capacitor then diode lights in parallel.Be five garden column magnetites that the iron staff string in plastic tube, all on two bottom surfaces, another bottom center is led to the magnetic pole of garden column magnetite in Kong Congyi the bottom center of wearing iron staff.The magnetite homopolarity is relative, promptly N extremely to the N utmost point, S extremely to S utmost point string on iron staff, the plastics garden sheet that diameter of per two magnetite sandwich is identical with the magnetite diameter is also gone here and there on iron staff.The thickness of a plastics garden sheet equals the thickness of a plastic hoop on the plastic tube.The silk mouth is arranged on the iron staff, and two has the key screw magnetite to press against together, and screw is ensconced in the Sheng hole of first segment and the 5th joint magnetite.The total length of five enameled wire loops and four plastic hoops in the middle of its equals the total length of five garden column magnetites and four plastic sheets in the middle of its.Blocking up plastic tube two, just can allow air free in and out, rock plastic tube before and after the direction of plastics pipe range, allowing the magnetite string move back and forth in plastic tube, induced current is then just arranged in the enameled wire loop, the diode lantern festival is bright.

The specific embodiment:

Selecting what a flashlight shell earlier, is as long as the lamp holder of front lid is laid down to the requirement of this flashlight shell, lamp socket, generator inside just taking out.The afterbody of flashlight shell has been opened some apertures and has been used to pass in and out air, also opened some apertures near the position of lamp holder and be used to pass in and out air, what flashlight shell can be with the garden column, also can with one big one little tapered.With a plastic tube, above around last five enameled wire loops, to put the magnetite string in the plastic tube, these things all will be put in the flashlight housing, coil not around too thick, thereby the plastic tube interior diameter can be greatly, the magnetite diameter also can be greatly, generator power can increase sharply, and the coil all-in resistance is less than 20, and is relatively good greater than 12 ohm.Do not retell below and manufacture details.Choose plastic tube, put the thin plastic hoop of six consistency of thickness above, six plastic hoops are divided into seven sections to plastic tube, wherein second and third, four, five, six segment length equate, and equal the length of a cylindric magnetite, first section and the 7th segment length are about equally, again than the appearance of second section weak point 1/3rd, second and third, one positive one anti-, five enameled wire loops of a positive back-roll on four, five, six sections, can on four plastic hoop partition walls of centre, respectively open an osculum, when enameled wire loop after full one section, climb over wall another section of rewinding from an osculum.Select five joint garden column magnetites, their diameter is identical and just can be free to slide in plastic tube, its length is identical, and just the length with an enameled wire loop is identical, all on two bottom surfaces, another bottom center is also led to from a bottom center in the hole of wearing iron staff to the magnetic pole of five joint garden column magnetites, and five joint magnetites string together with the iron staff of a band silk mouth, allow magnetite N extremely to the N utmost point in the time of string, S extremely to S utmost point string together.In the middle of four joints of five joint magnetites, respectively press from both sides a plastics garden sheet, the diameter of each plastics garden sheet is identical with the diameter of magnetite, also go here and there on iron staff, the thickness of a plastics garden sheet equals the thickness of a plastic hoop on the plastic tube, the silk mouth is arranged on the iron staff, and two has the key screw magnetite to press against together, and screw is ensconced in the Sheng hole of two ends magnetite, unnecessary iron staff is amputated, and the magnetite string has just been made.The total length that five magnetites add four plastics garden sheets equals five enameled wire loops and adds four plastic hoops, the i.e. total length of four partition walls.At plastic tube that end near electric light, on additional that section plastic tube, buckle a garden annular printed circuit board (PCB), the rectifier that has four diodes to make above, buckle the big electric capacity of a garden annular 0.1-0.9F again, two the end of a thread of enameled wire loop connect the rectifier input, rectifier output end connects big electric capacity, big electric capacity also connects diode lights, the magnetite string is put into plastic tube, they are filled in the torch housing, plastic tube and coil are fixedly clamped by the torch housing, and the afterbody of plastic tube is being blocked up by the torch afterbody.But, can pass in and out air, its head is being blocked up by lamp socket, still, also can pass in and out air.Lamp socket has a rubber behind, is used for reducing the dry sound of magnetite bump, and also there is a rubber torch housing afterbody the inside, is used for reducing the dry sound of magnetite bump.Lamp socket is compressed by torch lamp holder lid again, and lamp holder has covered glass, and the lamp holder lid is gone up to the torch housing by the silk mouth.As taking the adept torch of pencil, front and back rock 5---and 8 centimetres, rock 3.2-3.8 each second, allows the magnetite string move back and forth in plastic tube, and the diode lantern festival is bright.

Claims (3)

1. the length of a pitch circle column magnetite equals the length of an enameled wire loop.

2. five cylindric magnetites, magnetic pole is all on two bottom surfaces, the center of another bottom surface is also led in the hole of wearing iron staff from a bottom center, the magnetite homopolarity is relative, and promptly N is to the N utmost point, S extremely strings together with iron staff the S utmost point, there is the silk mouth at iron staff two, and the key screw magnetite of screwing on presses against together, and five enameled wire loops nestle up on a plastic tube, coil around direction be one positive one anti-, one positive one is anti-.

3. the magnetite string moves back and forth in being wound with the plastic tube of enameled wire loop.