JP3101780U - LED flashlight with power generation and charging functions - Google Patents

Abstract

An LED flashlight having a power generation and charging function.
A flashlight (1) includes a substrate (20) inside a main body (10), the main body is composed of upper and lower cases (11, 12), and a power generation motor (21), a circuit board (22), a button-type rechargeable lithium battery (25), A plurality of LED lamps 28, a plurality of high gear ratio gears 30 and a flywheel 34 are installed, and a reflector 19 and a transparent cover 17 are provided at positions corresponding to the plurality of LED lamps in front of the main body. A switch button 27 is provided on the upper case, and a crankset 40 for rotating the transmission gear set is provided on the lower case of the main body. The crankset is foldable, and the gear and flywheel rotate at high speed by the crankset during operation. Then, the power generation motor generates electric power to charge the button-type rechargeable lithium battery. To provide the necessary power to the light-emitting of-flops.
[Selection diagram] FIG.

Description

  The present invention relates to an LED flashlight having a kind of power generation and charging function, in particular, a flywheel is provided between a gear of a generator rotor and a gear of a transmission structure, and the flywheel adopts a high gear ratio. In addition, a weight ring is provided, the centrifugal force action of the inertia is increased, the power and time of operation can be reduced, and a button-type rechargeable lithium battery can be used for power storage and can be charged quickly, and lighting can be performed. The use of multiple LED lamps and covers to increase brightness, as well as to provide waterproof edges and grooves around the upper and lower cases of the main body to prevent water damage and prevent Related to the use of

  FIGS. 1 to 3 show a multifunctional power generation flashlight described in Patent Document 1, which includes a main body 50 and a turntable 57, a switch 51 is provided on the main body 50, and a cover 52 is provided on the front side of the main body 50. The cover 52 is screwed to the main body 50, and a generator 53 is provided in the main body 50. A rotor 54 of the generator 53 is mounted on a transmission box 55 with a shaft. The rotating disk 57 extends outward and is provided on one side of the main body 50. The rotating disk 57 is provided with a shaft 56 of the rotor 54 inserted from the inside, and the rotating disk 57 is provided with a transmission rod 57. The transmission rod 58 is connected to a side bar 59 further used for gripping by a user, and the side bar 59 rotates the turntable 57 so that the rotor 54 rotates. The mutual operation of the stator 60 around which the coil is wound Electrical energy from the two ends of the Le is output to the valve 61 and or radio receiver 62.

Taiwan Utility Model Publication No. 534269

The above-mentioned known multifunctional flashlight has the following problems and disadvantages to be overcome.
1. The above-mentioned multifunctional power generation flashlight is provided with a speed change box and a rotating disk on a rotor of a generator, and a transmission rod and a side rod provided on the rotating disk. Also, since the flywheel structure is not provided in the transmission box, it takes a considerable amount of time and effort in operation.
2. The above-mentioned multi-function power flashlight uses two rechargeable nickel batteries, does not achieve charge saturation unless the side rod is turned for a long time, and can be turned on for only 15 minutes even if it is turned for 1 minute continuously.
3. The above-mentioned multifunctional power flashlight uses a tungsten bulb as a bulb and does not have a special reflection effect on the lamp itself, so that the brightness at the time of illumination is insufficient.
4. The above-mentioned multifunctional flashlight does not have a water stopping structure in the main body, water easily invades the inside of the main body and easily breaks the circuit, and is unsuitable for outdoor use.

  Therefore, in order to solve the problems and disadvantages of the above-mentioned known technology, the present invention provides an LED flashlight with a kind of power generation and charging function. That is, a transmission structure composed of a plurality of gears having a high gear ratio is provided on a substrate, a generator is provided on the substrate, a gear is provided on a rotor of the generator, and A flywheel is provided between the gears of the rotor and the gears of the transmission structure, the flywheel has a high gear ratio, the small gears of the flywheel mesh with the gears of the transmission structure, and the large gear of the flywheel is a generator. A weight ring is provided inside the large gear of the flywheel, and when the flywheel is driven and rotated by a gear having a transmission structure, the flywheel generates an inertial centrifugal force action, and the Saves power and time when turning sets.

  The present invention also provides a button-type rechargeable lithium battery on a substrate, the button-type rechargeable lithium battery is connected to a generator, and the power generated by the generator can be charged to the button-type rechargeable lithium battery. The storage capacity of the button-type rechargeable lithium battery is relatively small, so that the charge saturation is reached very quickly. By turning the crank for one minute, the lamp can be continuously turned on for 30 to 40 minutes.

  The present invention further provides a plurality of LED lamps in front of the substrate, and a reflector and a transparent cover in front of the main body, the LED lamp can save power as compared with the tungsten bulb, and is collected after the light beam is refracted by the reflector. Because of the light effect, the brightness of the illumination is increased.

  The present invention also provides a convex edge and a concave groove which are fitted around the upper case and the lower case of the main body, and the inner groove and the outer waterproof wall are provided in the concave groove, so that the inside of the main body can be effectively used. Prevents water from entering the water, has good waterproofing effect, and is very suitable for outdoor use.

The invention of claim 1 is an LED flashlight having a power generation and charging function, and the flashlight is composed of a main body, a substrate, a power generation motor, a button-type rechargeable lithium battery, a switch, an LED lamp, and a transparent lamp cover. The main body includes an upper case and a lower case, an opening is provided in front of the main body, a transparent lamp cover is attached to the opening, a substrate is provided inside the main body, and a power generation motor and a circuit board are provided on the substrate. Installed, the rotor of the generator motor penetrates the substrate and protrudes to the bottom, the small gear is installed on the rotor, the button type rechargeable lithium battery, switch and necessary electronic parts are installed on the circuit board, A switch button is installed at a position corresponding to the switch, an LED lamp is installed at a position corresponding to the transparent lamp cover on the board, and a speed change structure is provided between the bottom surface of the board and the main body. The transmission structure is composed of a plurality of high-tooth ratio gears, and the plurality of high-tooth ratio gears mesh with and transmit to the small gear, and one of the transmission structures has a crank outside the main body. An LED flashlight with a power generation and charging function, which is fixed to a set, drives the transmission structure, causes the generator motor to generate power, charges the button-type rechargeable lithium battery, and supplies the power required for light emission of the LED lamp. ,
A flywheel is provided between the transmission structure and the generator motor, and a small gear of the flywheel meshes with an adjacent gear of the transmission structure. A recessed groove is provided inside the gear, and a weight ring is fitted into the recessed groove. The LED flashlight has a power generation and charging function.
According to a second aspect of the present invention, there is provided an LED flashlight having a power generation and charging function according to the first aspect, wherein a corresponding convex edge and a concave groove are provided around the upper case and the lower case of the main body. An LED flashlight having a power generation and charging function, wherein the groove is fitted and fixed integrally.
According to a third aspect of the present invention, there is provided an LED flashlight having a power generation and charging function according to the first aspect, wherein a rotary disk of a crankset and a gear of a transmission structure are screwed, a rotary arm is pivotally mounted on the rotary disk, and the rotary disk is rotated. The LED flashlight is provided with a power generation and charging function, characterized in that the arm can be raised and folded and a rotating knob that freely rotates is provided at the end of the rotating arm.

  The LED flashlight having the power generation and charging functions of the present invention is provided with a flywheel between a generator rotor gear and a transmission structure gear, and the flywheel has a high gear ratio and a weight ring. Is provided, its inertial centrifugal force action is increased, the operation power and time can be reduced, and the button type rechargeable lithium battery can be used for power storage, can be charged quickly, and the lighting is made up of multiple LED lamps And the cover is used to increase the brightness, as well as to provide waterproof edges and grooves around the upper case and lower case of the main body, to prevent damage by water intrusion and suitable for outdoor use .

  As shown in FIG. 4 to FIG. 8, the LED flashlight having the power generation and charging functions of the present invention has a main body 10 of the flashlight 1 composed of an upper case 11 and a lower case 12. The lower case 12 is provided with a protruding edge 13, the lower case 12 is provided with a concave groove 12, the protruding edge 13 can be fitted into the concave groove 12, and an opening 15 and a positioning convex edge 16 are provided in front of the main body 10. A transparent lamp cover 17 is mounted in the opening 15, and a positioning groove 18 is provided at a portion corresponding to the positioning convex edge 16 outside the transparent lamp cover 17, and the positioning convex edge 16 is aligned with the positioning groove 18. A substrate 20 is provided inside the main body 10 in which the reflector 19 is mounted inside the transparent lamp cover 17, and a generator motor 21 and a circuit board 22 are provided on the substrate 20. The first rotor 23 penetrates the substrate 20 and protrudes from the bottom surface, and is provided with a small gear 24. The circuit board 22 is provided with a button-type rechargeable lithium battery 25, a switch 26, and other electronic components. A switch button 27 is provided at a position corresponding to the switch 26 of the upper case 11. The switch button 27 is pressed by a user, and a plurality of LED lamps 28 are provided at a position corresponding to the reflector 27 in front of the substrate 20. The power generation motor 21, the button-type rechargeable lithium battery 25, the switch 26, and the LED lamp 28 are connected by an electric wire 29, and a transmission structure 30 is provided between the bottom surface of the substrate 20 and the lower case 12. Is composed of a plurality of gears 31, 32, 33 and a flywheel 34 having a high gear ratio. A plurality of gears 31, 32, 33 having a high gear ratio are meshed and transmitted with a small gear 35, the small gear 36 of the flywheel 34 meshes with the gear 33 of the transmission structure 30, and the large gear 37 of the flywheel 34 is , A concave groove 38 is provided inside the large gear 37 of the flywheel 34, a weight ring 39 is embedded, and the weight ring 39 is fixed to the flywheel 34 with screws P. The gear 31 of the transmission structure 30 is fixed to a turntable 41 of a crankset 40 outside the lower case 12 with a screw P, and a turntable 42 is provided on the turntable 41 with a pin Q. A rotary knob 43 is provided which can be rotated by one degree. The rotary arm 42 and the rotary knob 43 are raised when used, and the rotary arm 42 is folded downward when not in use. Finally, the upper case 11 and the lower case 12 of the main body 10 are fixed and integrated with the screw P.

  The above components and structures constitute the LED flashlight having the power generation and charging functions of the present invention. As shown in FIGS. 9 to 11, in a practical application, the user raises the rotary arm 42 and the rotary knob 43 of the crankset 40 to a 180-degree state, and continues to rotate the rotary knob 43. As a result, the power generation motor 21 can continuously generate power via the transmission structure 30 inside the main body 10, and the power can be charged into the button-type rechargeable lithium battery 25. At this time, if the switch button 27 is pressed, one or all of the LED lamps 28 can emit light.

  The above-described LED flashlight with power generation and charging functions of the present invention has been repeatedly tested on the product, and it has been proven that the LED flashlight reliably achieves the expected effect. The present invention has novelty, inventive step, and industrial utility value, and has requirements for utility model registration.

It is a perspective view of patent document 1. It is an exploded view of patent document 1. It is a three-dimensional view of the generator of patent documents 1. It is a perspective view of the present invention. It is a perspective view from the back of the present invention. FIG. 2 is an exploded perspective view of the present invention. It is a side sectional view of the present invention. It is a plane combination figure of the present invention. FIG. 4 is a plan view of the transmission structure according to the present invention during transmission. FIG. 3 is a three-dimensional view of the present invention when the transmission structure is engaged. FIG. 3 is a three-dimensional view of the present invention when the crankset rotates.

Explanation of reference numerals

Reference Signs List 50 main body 51 switch 52 cover 53 generator 54 rotor 55 transmission box 56 shaft 57 turntable 58 transmission rod 59 side rod 60 stator 61 valve 62 radio receiver 1 flashlight 10 main body 11 upper case 12 lower case 13 convex edge 14 concave Groove 15 Opening 16 Positioning convexity 17 Transparent lamp cover 18 Positioning concave groove 19 Reflector 20 Substrate 21 Generator motor 22 Circuit board 23 Rotor 24 Small gear 25 Button-type rechargeable lithium battery 26 Switch 27 Switch button 28 LED lamp 29 Electric wire 30 Transmission structure 31 gear 32 gear 33 gear 34 flywheel 35 small gear 36 small gear 37 large gear 38 concave groove 39 weight ring 40 crankset 41 rotating disk 42 rotating arm 43 rotating knob P screw Q pin

Claims (3)

An LED flashlight having a power generation and charging function, the flashlight is composed of a main body, a substrate, a power generation motor, a button-type rechargeable lithium battery, a switch, an LED lamp, and a transparent lamp cover. A lower case is provided, an opening is provided in front of the main body, a transparent lamp cover is attached to the opening, a substrate is provided inside the main body, a power generation motor and a circuit board are installed on the substrate, A rotor penetrates the substrate and projects to the bottom, a small gear is installed on the rotor, a button-type rechargeable lithium battery, a switch and necessary electronic components are installed on the circuit board, and a switch is provided at a position corresponding to the switch on the main body. A button is installed, an LED lamp is installed on the substrate at a position corresponding to the transparent lamp cover, and a speed change structure is provided between the bottom surface of the substrate and the main body. A plurality of gears having a high gear ratio, and a plurality of gears having a high gear ratio are engaged with and transmitted to the small gear, and one of the gears of the transmission structure is fixed to a crankset outside the main body, and the transmission is changed. In an LED flashlight having a power generation and charging function, the structure is driven to generate electric power by a generator motor and charge a button-type rechargeable lithium battery to supply power required for light emission of the LED lamp.
A flywheel is provided between the transmission structure and the generator motor, and a small gear of the flywheel meshes with an adjacent gear of the transmission structure. An LED flashlight having a power generation and charging function, wherein a concave groove is provided inside a gear, and a weight ring is fitted into the concave groove.   The LED flashlight having a power generation and charging function according to claim 1, wherein a corresponding convex edge and a concave groove are provided around the upper case and the lower case of the main body, and the convex edge and the concave groove are fitted and integrated. An LED flashlight with a power generation and charging function, which is fixed. 2. The LED flashlight according to claim 1, wherein the rotating disk of the crankset and the gear of the transmission structure are screwed, the rotating arm is pivotally mounted on the rotating disk, and the rotating arm is raised and folded. An LED flashlight having a power generation and charging function, characterized in that a rotation knob is provided at the end of the rotation arm that is freely rotatable.

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