CN111900785A - One-way micro-motion type portable charger - Google Patents
One-way micro-motion type portable charger Download PDFInfo
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- CN111900785A CN111900785A CN202010945068.2A CN202010945068A CN111900785A CN 111900785 A CN111900785 A CN 111900785A CN 202010945068 A CN202010945068 A CN 202010945068A CN 111900785 A CN111900785 A CN 111900785A
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- hollow sleeve
- machine base
- main shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
- A43B3/38—Footwear characterised by the shape or the use with electrical or electronic arrangements with power sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1861—Rotary generators driven by animals or vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a one-way jogging portable charger, which relates to the field of charging equipment and comprises a machine base, a thrust bearing, a main shaft assembly, a generator stator, a generator rotor, a one-way bearing, a chuck, a main bearing, an internal thread hollow sleeve, a return spring, a gland, a rubber cap and a rectification electricity storage module And (4) charging the equipment.
Description
Technical Field
The invention belongs to the field of charging equipment, and particularly relates to a one-way jogging type portable charger.
Background
Personal electronic consumer products are becoming more widely used, and therefore portable backup power sources are becoming indispensable portable components, and portable disposable or rechargeable batteries are generally used as backup power sources at present.
Because the existing mode of adopting a battery as a standby power supply can not be recharged outdoors or in an electricity-deficient environment, some portable manpower power generation devices are also appeared in the market as the standby power supply, the power generation devices adopt the strength of the limbs such as arms or feet of the human body to do work on the specially designed portable power generation devices and convert mechanical power into electric energy, and the mode has the defects of complex energy conversion mechanism, large volume and weight, high cost, influence on the normal life rhythm of people and the like, so the popularization is difficult; some devices convert the treading force of feet into electric energy by using the piezoelectric effect or generate electric energy by using the heat generated by human bodies by using the thermoelectric effect, and the electric energy conversion efficiency and the energy intensity of the power generation devices are very low and are difficult to adapt to the higher and higher power requirements of personal electronic consumer products; some portable power generation devices also use solar cells as power sources, but the devices still have the defects of large volume, high cost, small power density corresponding to unit volume, harsh use conditions and the like, and cannot meet the market requirements.
Therefore, there is a need to develop a portable power generation device that utilizes human body's biological energy, high electric energy conversion efficiency and power density, small size and dimension, less interference with human body's activities, reliable operation, and low cost as a backup power source for personal electronic consumer goods that are increasingly widely used.
Disclosure of Invention
The invention aims to provide a one-way miniature portable charger to solve the defects caused in the prior art.
A one-way micro-motion type portable charger comprises a machine base, a thrust bearing, a main shaft assembly, a generator stator, a generator rotor, a one-way bearing, a chuck, a main bearing, an internal thread hollow sleeve, a reset spring, a gland, a rubber cap and a rectification and power storage module;
the main shaft assembly is vertically supported in the engine base through a main bearing by a chuck embedded in the middle of the engine base and is supported at the center of the engine base through a thrust bearing embedded in the center of an engine base chassis, and the main shaft assembly is used for driving a generator rotor to rotate;
the generator stator is wound at the central position of the chassis in the base, and the generator rotor is embedded at the lower part of the main shaft assembly through a one-way bearing and covers the upper part of the generator stator;
the outer edge of the head of the spindle assembly is provided with a transmission thread and is meshed with an internal thread hollow sleeve sleeved outside the spindle assembly, the internal thread hollow sleeve is driven to move upwards and reset by a disc-shaped reset spring, a gland is embedded at the upper end of the machine base and seals an annular rectifying and power storing module in a cavity above the chuck, and a rubber cap with a flange inside is sleeved at the upper part of the machine base and is in close contact with the upper end face of the internal thread hollow sleeve;
and a voltage output coil of the generator stator is connected with the lead-out cable through the rectification electricity storage module.
Preferably, the main shaft assembly is a main shaft, the main shaft is vertically supported in the machine base through a main bearing by means of a chuck embedded in the middle of the machine base and is supported at the center of the machine base through a thrust bearing embedded in the center of a chassis of the machine base, and the outer edge of the upper end of the main shaft is provided with a transmission thread and is meshed with an internal thread hollow sleeve sleeved outside the transmission thread.
Preferably, the main shaft assembly comprises a main shaft, an external thread shaft and a speed changer, the main shaft is vertically supported in the machine base through a main bearing by means of a chuck embedded in the middle of the machine base and is supported in the center of the machine base through a thrust bearing embedded in the center of a chassis of the machine base, the speed changer is embedded in the center of the upper end face of the chuck and is coaxially connected with an output shaft at the lower end of the chuck and a main shaft, an input shaft at the upper end of the speed changer is coaxially connected with the external thread shaft, a transmission thread is arranged on the outer edge of the external thread shaft and is meshed with an internal thread hollow sleeve sleeved.
Preferably, the upper end of the disc-shaped return spring is supported in an annular groove on the lower end face of the internal thread hollow sleeve, and the lower end of the disc-shaped return spring is supported on a flange on the inner side of the upper end of the chuck.
Preferably, the upper end of the disc-shaped return spring is supported in an annular groove on the lower end face of the internal thread hollow sleeve, and the lower end of the disc-shaped return spring is supported on a flange on the inner wall of the upper end of the isolating ring.
Preferably, the upper end of the disc-shaped return spring is supported on a flange at the upper end of the internal thread hollow sleeve, and the lower end of the disc-shaped return spring is supported in an annular groove at the upper end of the gland.
Preferably, the generator stator is mainly configured as an induction coil, and the generator rotor is mainly configured to include a weight ring having an inner magnetic pole and an outer ring mainly functioning to increase rotational inertia.
Preferably, the outgoing cable can be connected to the electronic device by means of a charging connector at its end.
A notch is formed in the heel of the sole of the shoe, the one-way micro-motion type portable charger is integrally embedded into the notch, the top end of a rubber cap protrudes out of the upper surface of the sole by-millimeter, and a lead-out cable of the rectification electricity storage module penetrates through a tendon-wrapping tube behind the shoe to be connected with electronic equipment.
The invention has the advantages that: the invention uses a pair of micro-drive screw thread coupling pairs and a one-way bearing to convert micro-amplitude one-way pulsation into one-way rotary motion of a rotor of a micro-generator or convert the micro-amplitude one-way pulsation into the one-way rotary motion and transmit the high-speed rotary motion to the rotor of the micro-generator through a micro-speed changer, temporarily stores partial mechanical energy in the form of rotational inertia energy, simultaneously generates pulsation induced potential through the coupling of a stator coil of the generator and a magnetic field generated by a magnetic pole of the rotor, and finally converts the mechanical energy contained in the micro-amplitude one-way pulsation into electric energy with stable voltage by using a rectifying circuit and an energy storage battery of a rectifying and electricity storage module to charge personal electronic. The invention can effectively utilize the biological energy of human body, and has the advantages of high conversion efficiency and power density, small volume and size, reliable work, low cost and the like.
Drawings
Fig. 1 is a schematic configuration diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic configuration diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic configuration diagram of embodiment 3 of the present invention.
Fig. 4 is a schematic configuration diagram of embodiment 4 of the present invention.
Fig. 5 is an electrical schematic of the present invention.
Fig. 6 is a schematic diagram of an application of the present invention.
In the figure, a machine base 1, a thrust bearing 2, a main shaft 3, a generator stator 4, a generator rotor 5, a one-way bearing 6, a chuck 7, a main bearing 8, an internal thread hollow sleeve 9, a return spring 10, a gland 11, a rubber cap 12, a rectification electricity storage module 13, a speed changer 14, an external thread shaft 15 and an isolation ring 16;
a shoe 1000, a sole heel 1001 and a heel tendon tube 1002.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
Referring to fig. 1, the embodiment discloses a one-way jogging portable charger, which comprises a machine base 1, a thrust bearing 2, a main shaft assembly, a generator stator 4, a generator rotor 5, a one-way bearing 6, a chuck 7, a main bearing 8, an internal thread hollow sleeve 9, a return spring 10, a gland 11, a rubber cap 12 and a rectification electricity storage module 13;
the main shaft assembly is vertically supported in the machine base 1 through a main bearing 8 by means of a chuck 7 embedded in the middle of the machine base 1 and is supported at the central position of the machine base 1 through a thrust bearing 2 embedded in the center of a chassis of the machine base 1, and the main shaft assembly is used for driving a generator rotor 5 to rotate;
the generator stator 4 is wound at the central position of a chassis in the base 1, and the generator rotor 5 is embedded at the lower part of the main shaft assembly through a one-way bearing 6 and covers the generator stator 4;
the outer edge of the head of the main shaft assembly is provided with a transmission thread and is meshed with an internal thread hollow sleeve 9 sleeved outside the main shaft assembly, the internal thread hollow sleeve 9 is driven to move upwards and reset by a disc-shaped reset spring 11, a gland 11 is embedded at the upper end of the machine base 1 and seals an annular rectifying and storing module 13 in a cavity above the chuck 7, and a rubber cap 12 with a flange is sleeved at the upper part of the machine base 1 and is tightly contacted with the upper end face of the internal thread hollow sleeve 9;
the voltage output coil of the generator stator 4 is connected with the outgoing cable through the rectification electricity storage module 13.
In this embodiment, the spindle assembly is specifically a spindle 3, the spindle 3 is vertically supported in the base 1 through a main bearing 8 by a chuck 7 embedded in the middle of the base 1, and is supported at the center of the base 1 through a thrust bearing 2 embedded in the center of a bottom plate of the base 1, and the upper end outer edge of the spindle 3 is provided with a transmission thread and is engaged with an internal thread hollow sleeve 9 sleeved outside the transmission thread.
In this embodiment, the upper end of the belleville return spring 10 is supported in an annular groove in the lower end face of the internally threaded hollow sleeve 9, and the lower end of the belleville return spring 10 is supported on a flange on the inside of the upper end of the chuck 7.
In the present embodiment, the generator stator 4 is mainly configured as an induction coil, and the generator rotor 5 mainly includes an inner magnetic pole and an outer ring that mainly function as a weight ring for increasing rotational inertia.
In this embodiment, the outgoing cable can be connected to the electronic device by means of a charging connector at its end.
Example 2
Referring to fig. 2, the difference from embodiment 1 is: in this embodiment, the upper end of the belleville return spring 10 is supported on a flange at the upper end of the internally threaded hollow sleeve 9, and the lower end of the belleville return spring 10 is supported in an annular groove at the upper end of the gland 11.
Referring to fig. 5 and 6, the working process and principle of the embodiment 1 and the embodiment 2 are as follows:
in a typical application of this embodiment, as shown in fig. 6, a notch is formed in the heel 1001 of a shoe, the portable charger is inserted therein, the top end of the rubber cap 12 is ensured to protrude 3-5 mm from the upper surface of the shoe sole, and the leading-out cable of the rectifying and power storing module 13 passes through the tendon tube 1002 of the shoe to be connected with the personal electronic device. During normal walking of a user, the heel of the user drives the internally threaded hollow sleeve 9 to move downwards through the rubber cap 12 when stepping on the sole (at the moment, the return spring 10 is compressed), the main shaft 3 is driven to rotate positively through the coupling of the internally threaded hollow sleeve and the transmission threads between the internally threaded hollow sleeve and the outer edge of the head of the main shaft 3, and then the generator rotor 5 is driven to rotate positively through the one-way bearing 6 (at the moment, the generator rotor is in a locking state) and temporarily stores part of mechanical energy in the form of rotational inertia energy. When the internal thread hollow sleeve 9 is pressed to the lowest position, the coupling transmission between the internal thread hollow sleeve and the outer edge of the head of the main shaft 3 is stopped, the main shaft 3 stops rotating at the moment, the generator rotor 5 continues to rotate in the positive direction due to inertia and is not restrained by the one-way bearing 6 (the one-way bearing is in an unlocking state at the moment), then the stator coil of the generator is coupled with the magnetic field generated by the magnetic poles of the rotor to generate a pulsating induced potential, and finally, the mechanical energy contained by the treading of the sole by the heel is converted into electric energy with stable voltage by utilizing a rectifying circuit and an energy storage battery of the rectifying and electricity storage module, and the electric energy. When the heel is lifted, the rubber cap 12 and the return spring 10 both start to return, the extension of the return spring 10 drives the internal thread hollow sleeve 9 to move upwards, and in the process, the coupling of the transmission thread between the return spring and the outer edge of the head of the main shaft 3 drives the main shaft 3 to rotate reversely to enable the one-way bearing 6 to be in an unlocking state, so that the forward rotation of the generator rotor 5 still kept due to inertia at the moment can not be prevented, and the rotational inertia stored in the generator rotor 5 is still converted into electric energy to continuously charge the personal electronic equipment. The above process is repeated with the tread and release of the sole by the user, so that the invention can convert the mechanical energy of the heel tread into electric energy and continuously charge the personal electronic equipment while the user walks.
Example 3
Referring to fig. 3, the difference from embodiment 1 is: in this embodiment, the main shaft assembly includes a main shaft 3, an external threaded shaft 15 and a transmission 14, the main shaft 3 is vertically supported in the base 1 through a main bearing 8 by means of a chuck 7 embedded in the middle of the base 1 and supported at the center of the base 1 by a thrust bearing 2 embedded in the center of a chassis of the base 1, the transmission 14 is embedded in the center of an upper end surface of the chuck 7 and an output shaft at the lower end thereof is coaxially connected with the main shaft 3, an input shaft at the upper end of the transmission 14 is coaxially connected with the external threaded shaft 15, a transmission thread is arranged on the outer edge of the external threaded shaft 15 and engaged with an internal threaded hollow sleeve 9 sleeved outside the transmission, and an isolation ring 16 is embedded in the.
Example 4
Referring to fig. 4, the difference from embodiment 3 is: in this embodiment, the upper end of the belleville return spring 10 is supported in an annular groove in the lower end face of the internally threaded hollow sleeve 9, and the lower end of the belleville return spring 10 is supported on a flange on the inner wall of the upper end of the spacer ring 16.
Referring to fig. 5 and 6, the working process and principle of the embodiment 3 and the embodiment 4 are as follows:
in a typical application of this embodiment, as shown in fig. 6, a notch is formed in the heel 1001 of a shoe, the portable charger is inserted therein, the top end of the rubber cap 12 is ensured to protrude 3-5 mm from the upper surface of the shoe sole, and the leading-out cable of the rectifying and power storing module 13 passes through the tendon tube 1002 of the shoe to be connected with the personal electronic device. In the normal walking process of a user, the heel drives the internal thread hollow sleeve 9 to move downwards through the rubber cap 12 when the user treads the sole (at the moment, the return spring 10 is compressed), the external thread shaft 15 is driven to rotate in the positive direction through the coupling of the transmission thread between the internal thread hollow sleeve and the external thread shaft 15, the rotating motion is output from an output shaft of the transmission 14 after being accelerated through the transmission 14, the main shaft 3 is driven to rotate, and the main shaft 3 further drives the generator rotor 5 to rotate in the positive direction through the one-way bearing 6 (at the moment, the generator rotor is in a locking state) and temporarily stores partial mechanical energy in the form of rotational inertia energy. When the internal thread hollow sleeve 9 is pressed to the lowest position, the coupling transmission between the internal thread hollow sleeve and the external thread shaft 15 is stopped, at the moment, the external thread shaft 15 stops rotating together with the speed changer 14 and the main shaft 3, the generator rotor 5 continues to rotate in the forward direction due to inertia and is not restrained by the one-way bearing 6 (at the moment, the generator rotor is in an unlocking state), then, the magnetic field generated by the stator coil of the generator and the magnetic pole of the rotor is coupled to generate a pulsating induction potential, and finally, the mechanical energy contained by the treading of the sole by the heel is converted into electric energy with stable voltage by utilizing a rectifying circuit and an energy storage battery of the rectifying and energy storage module, and personal electronic equipment. When the heel is lifted, the rubber cap 12 and the return spring 10 both start to return, the extension of the return spring 10 drives the internal thread hollow sleeve 9 to move upwards, in the process, the coupling of the transmission thread between the return spring and the external thread shaft 15 drives the external thread shaft 15 to rotate reversely together with the transmission 14 and the main shaft 3 so that the one-way bearing 6 is in an unlocking state, so that the forward rotation of the generator rotor 5 still kept due to inertia at the moment can not be hindered, and the rotational inertia stored in the generator rotor 5 is still converted into electric energy to continuously charge the personal electronic equipment. The above process is repeated with the tread and release of the sole by the user, so that the invention can convert the mechanical energy of the heel tread into electric energy and continuously charge the personal electronic equipment while the user walks.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (9)
1. A one-way jogging portable charger is characterized in that: the generator comprises a base (1), a thrust bearing (2), a main shaft assembly, a generator stator (4), a generator rotor (5), a one-way bearing (6), a chuck (7), a main bearing (8), an internal thread hollow sleeve (9), a return spring (10), a gland (11), a rubber cap (12) and a rectification and power storage module (13);
the main shaft assembly is vertically supported in the machine base (1) through a main bearing (8) by means of a chuck (7) embedded in the middle of the machine base (1), and is supported in the central position of the machine base (1) through a thrust bearing (2) embedded in the center of a chassis of the machine base (1), and the main shaft assembly is used for driving a generator rotor (5) to rotate;
the generator stator (4) is wound at the central position of a chassis in the base (1), and the generator rotor (5) is embedded at the lower part of the main shaft assembly through a one-way bearing (6) and covers the generator stator (4);
the outer edge of the head of the spindle assembly is provided with a transmission thread and is meshed with an internal thread hollow sleeve (9) sleeved outside the spindle assembly, the internal thread hollow sleeve (9) is driven to move upwards and reset by a disc-shaped reset spring (10), a gland (11) is embedded at the upper end of the machine base (1) and encapsulates an annular rectifying and power storage module (13) in a cavity above the chuck (7), and a rubber cap (12) with a flange is sleeved at the upper part of the machine base (1) and is tightly contacted with the upper end face of the internal thread hollow sleeve (9);
and a voltage output coil of the generator stator (4) is connected with the outgoing cable through the rectification electricity storage module (13).
2. A one-way micro-mobile portable charger according to claim 1, wherein: the spindle assembly is specifically a spindle (3), the spindle (3) is vertically supported in the base (1) through a main bearing (8) by means of a chuck (7) embedded in the middle of the base (1), and is supported in the center of the base (1) through a thrust bearing (2) embedded in the center of a chassis of the base (1), and the outer edge of the upper end of the spindle (3) is provided with a transmission thread and is meshed with an internal thread hollow sleeve (9) sleeved outside the transmission thread.
3. A one-way micro-mobile portable charger according to claim 1, wherein: the main shaft assembly comprises a main shaft (3), an external threaded shaft (15) and a speed changer (14), the main shaft (3) is vertically supported in the machine base (1) through a main bearing (8) by means of a chuck (7) embedded in the middle of the machine base (1), and is supported in the central position of the machine base (1) through a thrust bearing (2) embedded in the center of a chassis of the machine base (1), the speed changer (14) is embedded in the center of the upper end face of the chuck (7) and is coaxially connected with the main shaft (3), an input shaft at the upper end of the speed changer (14) is coaxially connected with the external threaded shaft (15), the outer edge of the external threaded shaft (15) is provided with a transmission thread and is meshed with an internal threaded hollow sleeve (9) sleeved outside the transmission thread, and an isolation ring (16) is embedded in the machine base.
4. The unidirectional jiggle portable charger of claim 2, wherein: the upper end of the disc-shaped return spring (10) is supported in an annular groove on the lower end face of the internal thread hollow sleeve (9), and the lower end of the disc-shaped return spring (10) is supported on a flange on the inner side of the upper end of the chuck (7).
5. A unidirectional jiggle-type portable charger according to claim 3, wherein: the upper end of the disc-shaped return spring (10) is supported in an annular groove on the lower end face of the internal thread hollow sleeve (9), and the lower end of the disc-shaped return spring (10) is supported on a flange on the inner wall of the upper end of the isolating ring (16).
6. A unidirectional jiggle-type portable charger according to claim 2 or 3, wherein: the upper end of the disc-shaped return spring (10) is supported on a flange at the upper end of the internal thread hollow sleeve (9), and the lower end of the disc-shaped return spring (10) is supported in an annular groove at the upper end of the gland (11).
7. A one-way micro-mobile portable charger according to claim 1, wherein: the generator stator (4) is mainly formed as an induction coil, and the generator rotor (5) mainly comprises an inner magnetic pole and an outer ring which mainly form a counterweight ring for increasing the rotation inertia.
8. A one-way micro-mobile portable charger according to claim 1, wherein: the outgoing cable can be connected to the electronic device by means of a charging connector at its end.
9. A shoe comprising a one-way jogging portable charger according to any one of claims 1-5, 7, 8, characterized in that: a notch is formed in the heel (1001) of the sole of the shoe, the one-way micro-motion type portable charger is integrally embedded into the notch, the top end of the rubber cap (12) is enabled to protrude 3-5 mm out of the upper surface of the sole, and a lead-out cable of the rectification electricity storage module (13) penetrates through a tendon-wrapping tube (1002) in the rear of the shoe to be connected with electronic equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945068.2A CN111900785A (en) | 2020-09-10 | 2020-09-10 | One-way micro-motion type portable charger |
| PCT/CN2020/127042 WO2022052285A1 (en) | 2020-09-10 | 2020-11-06 | One way micro motion-type portable charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945068.2A CN111900785A (en) | 2020-09-10 | 2020-09-10 | One-way micro-motion type portable charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111900785A true CN111900785A (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010945068.2A Pending CN111900785A (en) | 2020-09-10 | 2020-09-10 | One-way micro-motion type portable charger |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111900785A (en) |
| WO (1) | WO2022052285A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120326449A1 (en) * | 2011-06-27 | 2012-12-27 | Liao Ho-Yo | Gearing generator for an electric vehicle |
| CN103355819B (en) * | 2013-06-17 | 2016-06-22 | 国网山东省电力公司沂源县供电公司 | Realize the power-generating shoe of multipurpose inertia electricity-generating method |
| CN203717260U (en) * | 2014-01-02 | 2014-07-16 | 郑敏 | Stepping generating device |
| CN204200495U (en) * | 2014-09-26 | 2015-03-11 | 兰华杰 | Self power generation footwear |
| CN207251380U (en) * | 2017-09-29 | 2018-04-17 | 郭银书 | A kind of without hindrance wheel hub motor of AC permanent magnet |
| CN212543426U (en) * | 2020-09-10 | 2021-02-12 | 南京工业职业技术大学 | One-way portable charger of dynamic formula and shoes a little |
-
2020
- 2020-09-10 CN CN202010945068.2A patent/CN111900785A/en active Pending
- 2020-11-06 WO PCT/CN2020/127042 patent/WO2022052285A1/en active Application Filing
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| WO2022052285A1 (en) | 2022-03-17 |
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