CN111917168A - A micro-actuated hand-driven charger - Google Patents

Abstract

The invention discloses a micro-actuated hand-driven charger, which relates to the field of charging equipment and includes a chassis, a wishbone module, a pulsating generator, a rectifier module, an energy storage battery, a charging socket, an upper cover, a lighting lamp and a guard. The claw, the fork arm module, the pulsating generator, the rectifier module, the energy storage battery and the lighting lamp are all embedded in the chassis, and the upper cover is covered above the chassis. The motion conversion mechanism converts the slight swing generated by the pressing of the palm into a one-way rotational motion and transmits it to the rotor of the micro-generator to temporarily store part of the mechanical energy in the form of rotational inertial energy. At the same time, the stator coil of the generator is coupled to the magnetic field of the rotor. The pulsating induced potential is generated, and finally the pulsating potential is converted into a stable voltage by using a rectifier circuit and an energy storage battery to charge personal electronic devices. The invention has the advantages of high conversion efficiency and power density, small volume and size, reliable operation, low cost, convenient portability and the like.

Description

A micro-actuated hand-driven charger

technical field

The invention belongs to the field of charging equipment, and in particular relates to a micro-motion hand-driven charger.

Background technique

The application of personal electronic consumer goods is more and more extensive, so the portable backup power supply has become an indispensable portable component, and currently portable disposable or rechargeable batteries are generally used as the backup power supply.

Since the existing method of using batteries as a backup power source cannot be recharged outdoors or in a power-deficient environment, some portable human power generating devices have also appeared on the market as backup power sources, some of which use human arms or feet. The power of the limbs can perform work on the specially designed portable power generation device and convert the mechanical work into electrical energy. This kind of method has the disadvantages of complex energy conversion mechanism, large volume and weight, high cost, and affecting the normal life rhythm of people, so it is difficult to obtain Popular; some use the piezoelectric effect to convert the pedaling force of the foot into electrical energy or use the thermoelectric effect to generate electrical energy from the heat generated by the human body. The electrical energy conversion efficiency and energy intensity of such power generation devices are very low, and it is difficult to adapt to personal electronic consumer goods. Higher and higher power requirements; some portable power generation devices use solar cells as power sources, but such devices still have shortcomings such as large size, high cost, low power generation power density per unit volume, and harsh operating conditions, and they cannot meet the market. requirements.

Therefore, there is a need to develop a portable power generation device that utilizes human biological energy, has high electrical energy conversion efficiency and power density, is small in size and size, has little interference with human activities, and is reliable and low-cost as a backup power source for increasingly widely used personal electronic consumer products. .

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a micro-motion hand-driven charger to solve the above-mentioned defects caused in the prior art.

A micro-motion hand-driven charger, comprising a chassis, a wishbone module, a pulse generator, a rectifier module, an energy storage battery, a charging socket, an upper cover, a lighting lamp and a claw guard;

The wishbone module, the pulsating generator, the rectifier module, the energy storage battery and the lighting lamp are all embedded in the chassis, and the upper cover is covered above the chassis;

The fork arm module is connected to the pulse generator and used to drive the pulse generator to generate electricity. The pulse generator is connected to the energy storage battery through the rectifier module to realize the storage of electric energy. The upper cover is also provided with the The claw guard is used to realize the clamping of the electronic equipment, and the energy storage battery is connected to the charging socket and used for charging the lighting lamp and the electronic equipment.

Preferably, the wishbone module comprises a wishbone shaft, a wishbone rod, a wishbone tooth arc, a torsion spring and a wishbone bearing, the outer edge of the wishbone tooth arc is fan-shaped, and the teeth of the outer edge are in contact with the pulse generator. The drive gear is meshed, the wishbone rod and the wishbone tooth arc are embedded on the wishbone shaft at a cross angle, the wishbone shaft is set between the chassis and the upper cover through the fork arm bearing arranged up and down, and the torsion spring is sleeved on the wishbone shaft The upper and both ends of the torsion spring are respectively anchored on the fork arm tooth arc and the anchor rod torsion spring anchor rod on the chassis.

Preferably, the pulse generator includes a motor base, a lower bearing, a main shaft, a generator stator, a generator rotor, a chuck, an upper bearing, a one-way bearing and a drive gear, the chuck is embedded in the upper end of the motor base, and the two ends of the main shaft are The upper and lower bearings are respectively set at the center of the chuck and the motor base, the generator stator is set on the motor base around the main shaft, the generator rotor is embedded on the main shaft and wraps around the generator stator, and the driving gear passes through the one-way bearing. It is arranged on the upper end of the main shaft, the motor seat is arranged on the chassis, and the voltage output coil of the generator stator is connected with the energy storage battery, the charging socket and the lighting lamp through the rectifier module.

Preferably, the left and right sides of the upper cover are respectively provided with embedded finger grooves, and the left and right claws are respectively arranged on the left and right sides of the upper part of the upper cover. The claws are composed of a sliding plate, a tension spring and claw fingers. It is slidably arranged in the chute of the upper cover body and is anchored on the upper cover through a tension spring, and the claw fingers are hinged to the upper and lower ends of the upper surface of the upper cover or the outer end of the sliding plate through a hinge shaft.

Preferably, the claw fingers include a fingerboard, an armature embedded in the heel of the fingerboard, and a magnetic attraction embedded in the surface of the upper cover or the sliding plate.

Preferably, an anti-skid film made of rubber material is attached to the inner side of the fingerboard.

The advantages of the present invention are: the present invention utilizes a motion conversion mechanism composed of a fork arm, a gear drive and a one-way bearing to convert the slight swing generated by the pressing of the palm into a one-way rotational motion and transmit it to the rotor of the micro-generator for rotational inertia At the same time, the coupling of the stator coil of the generator to the magnetic field of the rotor generates a pulsating induced potential, and finally the rectifier circuit and the energy storage battery are used to convert the pulsating potential into a stable voltage and charge personal electronic devices. The invention has the advantages of high conversion efficiency and power density, small volume and size, reliable operation, low cost, convenient portability and the like.

Description of drawings

FIG. 1 is a top view of the bottom plate and the upper cover in the separated state according to the present invention.

FIG. 2 is a schematic diagram of the internal structure of the wishbone module and the pulse generator part in the present invention.

FIG. 3 is a cross-sectional view taken along the A-A direction after the chassis 1 and the upper cover 7 are assembled in FIG. 1 .

FIG. 4 is a cross-sectional view along the B-B direction after the chassis 1 and the upper cover 7 are assembled in FIG. 1 .

Fig. 5 is a partial enlarged view of the finger portion of the present invention.

FIG. 6 is a schematic diagram of the electrical principle of the present invention.

FIG. 7 is a schematic diagram of an application case of the present invention.

In the figure, the chassis 1, the wishbone module 2, the pulse generator 3, the rectifier module 4, the energy storage battery 5, the charging socket 6, the upper cover 7, the lighting lamp 8, and the guard 9.

Torsion spring anchor 101;

wishbone shaft 201, wishbone rod 202, wishbone tooth arc 203, torsion spring 204, wishbone bearing 205;

Generator base 301, lower bearing 302, main shaft 303, generator stator 304, generator rotor 305, chuck 306, upper bearing 307, one-way bearing 308, driving gear 309;

Finger slot 701;

Slide plate 91, tension spring 92, claw finger 93;

hinge shaft 930, finger plate 931, anti-skid film 932, armature 933, magnetic attraction 934;

Mobile phone 1000, palm 1001.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

Referring to FIGS. 1-7 , the embodiment of the present invention discloses a micro-motion hand-driven charger, which includes a chassis 1 , a wishbone module 2 , a pulse generator 3 , a rectifier module 4 , and an energy storage battery 5 , charging socket 6, upper cover 7, lighting 8 and guard 9;

The fork arm module 2, the pulsating generator 3, the rectifier module 4, the energy storage battery 5 and the lighting lamp 8 are all embedded in the chassis 1, and the upper cover 7 is covered above the chassis 1;

The fork arm module 2 is connected to the pulse generator 3 and is used to drive the pulse generator 3 to generate electricity. The pulse generator 3 is connected to the energy storage battery 5 through the rectifier module 4 to realize the storage of electric energy. The upper cover 7 The protective claw 9 is also provided on the top to realize the clamping of the electronic equipment, and the energy storage battery 5 is connected to the charging socket 6 and used for charging the lighting lamp 8 and the electronic equipment.

In this embodiment, the fork arm module 2 includes a fork arm shaft 201, a fork arm rod 202, a fork arm tooth arc 203, a torsion spring 204 and a fork arm bearing 205, and the outer edge of the fork arm tooth arc 203 is fan-shaped and The teeth on the outer edge mesh with the drive gear 309 of the pulse generator 3, the wishbone rod 202 and the wishbone tooth arc 203 are embedded on the wishbone shaft 201 at a cross angle, and the wishbone shaft 201 passes through the wishbone bearings 205 arranged up and down. Set between the chassis 1 and the upper cover 7, the torsion spring 204 is sleeved on the wishbone shaft 201, and the two ends of the torsion spring 204 are respectively anchored on the wishbone tooth arc 203 and the anchor rod torsion spring anchor rod 101 on the chassis 1 .

In this embodiment, the pulse generator 3 includes a motor base 301 , a lower bearing 302 , a main shaft 303 , a generator stator 304 , a generator rotor 305 , a chuck 306 , an upper bearing 307 , a one-way bearing 308 and a drive gear 309 , the chuck 306 is embedded in the upper end of the motor base 301, the two ends of the main shaft 303 are respectively set in the center of the chuck 306 and the motor base 301 through the upper bearing 307 and the lower bearing 302, and the generator stator 304 is arranged on the motor base 301 around the main shaft 303 , the generator rotor 305 is embedded on the main shaft 303 and wrapped around the generator stator 304, the driving gear 309 is set on the upper end of the main shaft 303 through the one-way bearing 308, the motor base 301 is set on the chassis 1, and the voltage output of the generator stator 304 The coil is connected to the energy storage battery 5 , the charging socket 6 and the lighting lamp 8 through the rectifier module 4 .

In this embodiment, the left and right sides of the upper cover 7 are respectively provided with embedded finger grooves 701 , and the left and right claws 9 are respectively arranged on the left and right sides of the upper part of the upper cover 7 . , a tension spring 92 and a claw finger 93, the sliding plate 91 is slidably arranged in the chute of the upper cover 7 body and is anchored on the upper cover 7 through the tension spring 92, and the claw finger 93 is hinged to the upper cover 7 through the hinge shaft 930. The upper and lower ends of the upper surface or the outer ends of the sliding plate 91 .

In this embodiment, the claw fingers 93 include a finger plate 931 , an armature 933 embedded in the heel of the finger plate 931 , and a magnetic attraction 934 embedded in the surface of the upper cover 7 or the sliding plate 91 .

In this embodiment, an anti-skid film 932 made of rubber material is attached to the inner side of the fingerboard 931 .

The working process of this embodiment is as follows:

Referring to Figs. 1-7, a typical application case of this embodiment is shown in Fig. 7. The user only needs to pull apart the left and right sliding plates 91 of the upper cover 7 and unfold the four claws 93 of the upper, lower, left, and right, and then put the personal electronic The device (such as a mobile phone) is snapped in (the anti-slip film 932 in the claw fingers 93 can prevent the mobile phone from slipping off), and the charging socket of the mobile phone is connected to the charging socket 6 of this embodiment through a cable.

The user holds the chassis 1 of the charger and buckles the four fingers and thumb respectively on the finger grooves 701 on the left and right sides. It rotates around the wishbone shaft 201, and then it drives the main shaft 303 of the pulse generator 3 to rotate through the driving gear 309 meshed with it (the one-way bearing 308 is in a locked state at this time), and drives the generator rotor 305 to rotate with the rotational inertial energy. The form temporarily preserves part of the mechanical energy. When the wishbone lever 202 is pressed to the limit position, the drive gear 309 meshing with the wishbone tooth arc 203 also stops rotating, and the main shaft 303 and the generator rotor 305 continue to rotate in the forward direction due to inertia without being affected by the one-way bearing 308 (the one-way bearing 308 is in the unlocked state at this time), so the coupling of the stator coil of the generator and the magnetic field generated by the magnetic pole of the rotor generates a pulsating induced potential, and finally the rectifier circuit and the energy storage battery of the rectifier power storage module are used to convert the The mechanical energy contained in the finger pressing on the wishbone lever 202 is converted into electrical energy with a stable voltage and charges the personal electronic device. When the four fingers are released, the torsion spring 204 starts to drive the fork arm rod 202 to reset and rotate in the opposite direction, so the fork arm tooth arc 203 and the driving gear 309 meshing with it also rotate in the opposite direction. The bearing 308 is in an unlocked state, so it will not hinder the positive rotation of the main shaft 303 and the generator rotor 305 due to inertia, so the rotational inertia energy stored by the main shaft 303 and the generator rotor 305 is still converted into electrical energy and continues to be distributed to the individual. Electronic device charging. As the user presses and releases the wishbone lever 202, the above process is repeated. Therefore, the present invention enables the user to walk while converting the mechanical energy generated by the palm pressure into electrical energy and supply it to his personal electronic device. Keep charging.

It is known from the technical common sense that the present invention can be realized by other embodiments without departing from its spirit or essential characteristics. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are encompassed by the present invention.

Claims (6)

1. A micro-motion type hand-driven charger is characterized in that: the device comprises a chassis (1), a fork arm module (2), a pulse generator (3), a rectification module (4), an energy storage battery (5), a charging socket (6), an upper cover (7), a lighting lamp (8) and a protection claw (9);

the fork arm module (2), the pulse generator (3), the rectifying module (4), the energy storage battery (5) and the illuminating lamp (8) are all embedded in the chassis (1), and the upper cover (7) is covered above the chassis (1);

the fork arm module (2) is connected to the pulse generator (3) and is used for driving the pulse generator (3) to generate electricity, the pulse generator (3) is connected to the energy storage battery (5) through the rectifier module (4) so as to realize the storage of electric energy, the upper cover (7) is provided with the clamping of the protective claw (9) so as to realize the electronic equipment, and the energy storage battery (5) is connected to the charging socket (6) and is used for charging the illuminating lamp (8) and the electronic equipment.

2. The jogging hand-powered charger according to claim 1, characterized in that: yoke module (2) are including fork arm axle (201), yoke pole (202), yoke tooth arc (203), torsional spring (204) and yoke bearing (205), the outer fringe of yoke tooth arc (203) is the tooth of fan-shaped and outer fringe and drive gear (309) meshing of pulse generator (3), fork arm pole (202) and yoke tooth arc (203) are the fork angle and inlay and locate on fork arm axle (201), fork arm axle (201) are located between chassis (1) and upper cover (7) through yoke bearing (205) that sets up from top to bottom, torsional spring (204) cover is located on fork arm axle (201) and on torsional spring (204) both ends anchor respectively locate on yoke tooth arc (203) and chassis (1) torsional spring stock (101).

3. The jogging hand-powered charger according to claim 2, characterized in that: the pulse generator (3) comprises a motor base (301), a lower bearing (302), a main shaft (303), a generator stator (304), a generator rotor (305), a chuck (306), an upper bearing (307), a one-way bearing (308) and a driving gear (309), the chuck (306) is embedded at the upper end of the motor base (301), the two ends of the main shaft (303) are respectively arranged at the centers of the chuck (306) and the motor base (301) through the upper bearing (307) and the lower bearing (302), the generator stator (304) is arranged on the motor base (301) around the main shaft (303), the generator rotor (305) is embedded on the main shaft (303) and wound on the generator stator (304), the driving gear (309) is arranged at the upper end of the main shaft (303) through the one-way bearing (308), the motor base (301) is arranged on the chassis (1), a voltage output coil of the generator stator (304) is connected with an energy storage battery (5) through a rectifying module (4, The charging socket (6) is connected with the illuminating lamp (8).

4. The jogging hand-powered charger according to claim 1, characterized in that: the left and right sides of upper cover (7) is equipped with embedded finger groove (701) respectively, protects claw (9) and divides two left and right sides in the upper portion of upper cover (7) to locate the upper portion left and right sides of upper cover (7) respectively, protects claw (9) and comprises slide (91), extension spring (92) and claw finger (93), and slide (91) locate in the spout of upper cover (7) body and on upper cover (7) through extension spring (92) anchor, and claw finger (93) articulate the outer end in the upper and lower both ends of the upper surface of upper cover (7) or slide (91) through hinge (930).

5. The jogging hand-powered charger according to claim 1, characterized in that: the fingers (93) comprise finger plates (931), armatures (933) embedded in the heels of the finger plates (931) and magnetic attraction pieces (934) embedded in the surface or sliding plate (91) of the upper cover (7).

6. The jogging hand-powered charger according to claim 5, characterized in that: and an anti-slip film (932) made of rubber materials is stuck to the inner side of the finger plate (931).

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