WO2020189939A1 - 모듈형 초경량 dc발전기 - Google Patents
모듈형 초경량 dc발전기 Download PDFInfo
- Publication number
- WO2020189939A1 WO2020189939A1 PCT/KR2020/003294 KR2020003294W WO2020189939A1 WO 2020189939 A1 WO2020189939 A1 WO 2020189939A1 KR 2020003294 W KR2020003294 W KR 2020003294W WO 2020189939 A1 WO2020189939 A1 WO 2020189939A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pole
- generator
- parallel
- module
- switch
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 238000004804 winding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000005192 partition Methods 0.000 description 38
- 230000005856 abnormality Effects 0.000 description 20
- 230000001133 acceleration Effects 0.000 description 15
- 238000004364 calculation method Methods 0.000 description 12
- 238000003745 diagnosis Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 11
- 238000010248 power generation Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H02K11/046—
-
- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Definitions
- the present invention relates to a DC generator, more similarly, to form a plurality of poles with a coil wound inside a rotating permanent magnet, and the current generated from each pole is converted to direct current by an individual rectifier diode connected to each pole.
- a DC generator more similarly, to form a plurality of poles with a coil wound inside a rotating permanent magnet, and the current generated from each pole is converted to direct current by an individual rectifier diode connected to each pole.
- the generator uses a variety of power sources such as thermal power, hydropower, nuclear power, and wind power to produce electricity. It mainly uses the principle of generating an alternating current by induced electromotive force generated by rotating a permanent magnet around a coil.
- the generated current is changed to direct current using a separate rectifier as shown in the patent document below.
- a separate rectifier In order to process a large amount of current, the capacity and volume of the rectifier must be increased, and due to the large amount of heat generation, As in the patent document, a separate cooling device had to be installed.
- generators used in small-scale low-power generation projects or means of transportation using electricity are not only highly efficient, but also reduce their volume and weight so that they can be installed in various places, and they are easy to apply and use of electricity in transportation means.
- the present invention was devised to solve the above problems,
- An object of the present invention is to provide a modular ultra-lightweight DC generator that is manufactured with high power and ultra-light weight without a large-capacity rectifier and can produce high-purity direct current.
- An object of the present invention is to provide a modular ultra-lightweight DC generator that makes it possible to easily and simply manufacture a high-power, ultra-lightweight DC generator.
- An object of the present invention is to provide a modular ultra-lightweight DC generator that makes it easy to manufacture and change DC generators having various specifications.
- An object of the present invention is to provide a modular ultra-lightweight DC generator that makes it easy to manufacture a high-capacity generator.
- An object of the present invention is to provide a modular ultra-lightweight DC generator capable of maintaining a constant voltage regardless of the rotational speed of the rotating part.
- the present invention is implemented by an embodiment having the following configuration in order to achieve the above object.
- a modular ultra-lightweight DC generator includes: a rotating part rotating with a permanent magnet installed along an inner circumference; A winding portion in which a plurality of poles on which coils are wound are formed to face the inside of the permanent magnet and generate an alternating current according to the rotation of the rotating portion; A rectifying unit connected to the winding unit to convert the current generated in the winding unit into direct current; A PCB plate on which the winding part and the rectifying part are fixed; and the rectifying part includes a plurality of rectifying diodes individually connected to each of the plurality of poles, so that the current generated in each pole is individually rectified by each rectifying diode. Characterized in that.
- the PCB board includes a rectifier circuit printed for rectification, and a coil wound on each pole is connected to the rectifier circuit,
- the rectifier circuit connected to the coils of each pole is characterized in that each pole is connected to a predetermined rectifier diode, so that individual rectification is performed for each pole.
- the poles are formed in a circular shape at a predetermined interval, and the rectifying diode is spaced at a predetermined interval along the outer circumference of the pole.
- the poles and rectifier diodes are formed in a circular shape, and a predetermined number of poles and rectifier diodes are formed according to the voltage and current desired by the user.
- the modular ultra-lightweight DC generator according to the present invention is characterized in that the PCB plates are connected to face each other to be fixed, so that a plurality of them can be stacked to form a single generator. .
- the modular ultra-lightweight DC generator includes a circuit switching unit that allows the current generated from each pole and passed through the rectifying unit to be connected in series or parallel to be transmitted to a separate power storage device. Characterized in that.
- the circuit switching unit includes a switching circuit connecting each pole in series or parallel, and the switching circuit according to the rotational speed of the rotating unit. It characterized in that it comprises a serial-to-parallel conversion module for converting the serial or parallel.
- the switching circuit includes a series switch for connecting each pole in series, and a parallel switch for connecting each pole in parallel. Including, wherein the serial-to-parallel conversion module turns on the serial switch when the rotational speed of the rotation unit is greater than or equal to a set value, and turns the parallel switch off, and when the rotational speed of the rotational unit is less than a set value, And the serial switch is turned off.
- the circuit switching unit includes a connection setting module that adjusts the number of poles connected according to a set voltage value.
- the series switch includes a series conversion switch for connecting a conversion circuit with a separate power storage device in a state in which each pole is connected in series, It includes a module connection switch connecting each pole in series, and the parallel switch is a parallel conversion switch that connects a conversion circuit with a separate power storage device while each pole is connected in parallel, and connects each pole in parallel. And a module connection switch, wherein the connection setting module controls an operation of the module connection switch to control the number of poles connected to the switching circuit.
- the present invention can obtain the following effects by the configuration, combination, and use relationship that will be described below with the present embodiment.
- the present invention forms a plurality of poles with coils wound inside the rotating permanent magnet, and the current generated from each pole is converted to direct current by an individual rectifier diode connected to each pole, so that high output without a large rectifier of high capacity ⁇ It is possible to manufacture ultra-lightweight DC generator, and it has the effect of producing high-purity direct current by preventing interference and reverse flow between currents generated in each pole.
- the present invention faces a permanent magnet formed in a circular shape so that a plurality of poles are formed along the inner circumference at regular intervals, and a rectifier diode connected to each pole is fixed to the PCB plate at regular intervals around the outer circumference of the poles.
- the number of poles and rectifier diodes is adjusted and installed according to the voltage and current desired by the user, thereby making it possible to easily manufacture and change DC generators having various specifications.
- a plurality of generators can be stacked and formed by connecting a plurality of PCB plates to face each other, thereby making it possible to easily manufacture a high-capacity generator.
- the present invention has the effect of maintaining a constant voltage regardless of the rotational speed of the rotating unit by allowing the current generated from each pole and passed through the rectifying unit to be connected in series or parallel and transmitted to a separate power storage device.
- FIG. 1 is a perspective view of a modular ultra-light DC generator according to an embodiment of the present invention
- Figure 2 is an exploded perspective view of Figure 1
- FIG. 3 is a perspective view showing a state in which a plurality of modular ultra-light DC generators are stacked and formed according to an embodiment of the present invention
- FIG. 4 is a block diagram showing the configuration of a circuit switching unit of a modular ultra-light DC generator according to another embodiment of the present invention
- FIG. 5 is a circuit diagram of the switching circuit of FIG. 4
- FIG. 7 is a perspective view of an electric bike including a modular ultra-light DC generator according to an embodiment of the present invention
- FIG. 8 is an exploded perspective view of FIG. 7
- FIG. 9 is a block diagram showing the configuration of a drive control unit of FIG. 7
- DC generator 11 rotating part 111: rotating member 112: permanent magnet
- serial switch 151a-1 serial conversion switch 151a-2: module connection switch
- Serial-to-parallel conversion module 153 connection setting module 2: drive device
- drive module 211 drive motor 211a: drive shaft 212: drive gear
- drive control unit 31 operation control unit 311: acceleration information input module
- load detection module 322 load comparison module 323: output control module
- abnormality diagnosis unit 331 inconsistency calculation module 332: diagnosis start module
- the DC generator 1 rotates with a permanent magnet 112 installed along the inner circumference.
- a plurality of poles 121 on which the coils 122 are wound are formed to face the inside of the permanent magnet 112, and the winding unit 12 generates an AC current according to the rotation of the rotating unit 11;
- a rectifying unit 13 connected to the winding unit 12 to convert the current generated in the winding unit 12 into direct current; It includes; a PCB plate 14 to which the winding part 12 and the rectifying part 13 are fixed.
- the DC generator 1 has a plurality of poles in which the coil 122 is wound inside the rotating permanent magnet 112 in order to be able to produce a large amount of current and to be manufactured in an ultra-lightweight and compact size. (121) is formed to be opposed to each other, and the alternating current produced by each pole 121 is converted to direct current by a rectifier diode 131 connected to each pole 121. Accordingly, the DC generator 1 does not need to use a large-capacity large and heavy rectifier even though it produces a large amount of current at once, and individual rectification is possible through a small-sized and lightweight rectifier diode 131.
- the rotating part 11 is configured to rotate while the permanent magnet 112 is installed along the inner circumference, so that current can be generated in the winding part 12 according to the rotation of the permanent magnet 112.
- the rotating part 11 may include an open cylindrical rotating member 111 and a permanent magnet 112 formed along the inner circumference of the rotating member 111.
- the rotating member 111 is configured to rotate by being connected to a separate power source such as wind power, water power, and a rotating wheel, and may be formed in a cylindrical shape with open top and bottom.
- the rotating member 111 has a permanent magnet 112 disposed along the inner circumference so that the permanent magnet 112 can rotate together with the rotation of the rotating member 111.
- the permanent magnet 112 is formed and rotated along the inner circumference of the rotating member 111, and is configured to generate a current in the winding part 12, more precisely, generated according to the rotation of the permanent magnet 112.
- An alternating current is generated in the coil 122 wound around each pole 121 of the winding part 12 by induced electromotive force.
- the permanent magnet 112 is formed in a circular shape along the inner circumference of the rotating member 111, and it is preferable that a plurality of the permanent magnets 112 are continuously arranged around the entire circumference of the rotating member 111.
- the winding part 12 is formed to face the inside of the permanent magnet 112 to generate a current according to the rotation of the permanent magnet 112, and a plurality of poles 121 and a coil wound in the poles 121 It includes (122).
- the pole 121 is formed to be opposed to the inside of the permanent magnet 112, and the coil 122 is wound therein so that a current can be generated in the coil 122 according to the rotation of the permanent magnet 112. do.
- a plurality of poles 121 may be formed to be fixed to the PCB plate 14, and may be arranged in a circle along the inner circumference of the permanent magnet 112 so as to face the permanent magnet 112 formed in a circular shape. have.
- a plurality of the poles 121 are formed to be spaced apart at a predetermined interval so that a large amount of current can be generated at a time, and each pole 121 is connected to an individual rectifying diode 131 to perform rectification, It enables the production of high-purity direct current and enables the manufacture of small and lightweight generators.
- the number of poles 121 can be adjusted according to the voltage and current of the power to be produced by the DC generator 1, and at this time, only the number of poles 121 installed on the PCB plate 14 is adjusted. It is enough, so that the adjustment of the output and specifications can be made very easily.
- the coil 122 is wound in the pole 121 to generate current, and may be formed of an enameled wire, and an AC current is generated by induced electromotive force generated by the rotation of the permanent magnet 112.
- the coil 122 is connected to the rectifier circuit printed on the PCB board 14 by being drawn to the outside while being wound on each pole 121, and the rectifier circuit is connected to each individual rectifier diode 131 to direct current. The conversion is made. Accordingly, as described above, the current generated in each pole 121 is individually rectified by each rectifying diode 131, thereby enabling the generation of a small-sized and lightweight generator and high-purity direct current.
- the rectifying part 13 is a configuration for converting the alternating current generated in the coil 122 in each pole 121 to direct current, and a rectifier diode 131 connected to each pole 121 is formed separately to form a PCB board ( 14) to be fixed. Therefore, the rectifying part 13 is sufficient to convert only the current generated from one of the plurality of poles 121 into direct current, so that a microminiature and ultra-lightweight rectifier diode 131 can be applied, and the poles 121 arranged in a circle
- the rectifier diodes 131 are arranged to be opposite to the outside of the rectifier.
- the rectifier diode 131 of ultra-small and ultra-light weight is installed on the PCB board 14 in the DC generator 1 without the use of a separate high-capacity rectifier, so the weight of the DC generator 1 , You can also reduce the size. Since the rectifying diodes 131 are formed to correspond to the number of poles 121, the number is adjusted according to the output desired by the user like poles 121, and poles 121 are also installed on the PCB board 14. Since the adjustment of the number is completed just by doing so, it is possible to easily change the specification and output.
- the PCB plate 14 is configured to fix the pole 121, the rectifier diode 131, and the like, and may be formed in a disk shape.
- a rectifier circuit may be formed on the PCB plate 14 so that each pole 121 and the rectifier diode 131 are connected.
- the PCB plate 14 may be fixed so that a plurality of them are connected so that a plurality of DC generators 1 may form one generator. Therefore, it can be configured to produce more current at the same time through the rotation of each rotating part 11, and even at this time, by setting and fixing the number of connected DC generators 1 according to the output desired by the user, easy manufacturing You can make it happen.
- the modular ultra-lightweight DC generator 1 may further include a circuit switching unit 15 as shown in FIGS. 4 to 6.
- the power produced by each pole 121 may be rectified by the rectifier 13 and stored in a separate power storage device B, at this time, the current generated by each pole 121 and passed through the rectifier 13 Is connected in series or in parallel by the circuit switching unit 15 and transmitted to the power storage device B, so that a constant voltage can be secured even with irregular rotation of the rotating unit 11.
- the circuit switching unit 15 is a configuration that connects the current generated in each pole 121 in series or in parallel and transfers the current to the power storage device B, and connects the rectification unit 13 connected to each pole 121 in series. Or you can connect them in parallel.
- the circuit switching unit 15 may be connected in series or parallel between the rectifying units 13 connected to each pole 121 according to the rotational speed of the rotating unit 11, and the rotational speed of the rotating unit 11 is greater than a set value. In the case of slow, the connection between each pole 121 and the connected rectifier 13 is connected in series to ensure the necessary voltage, and when the rotational speed of the rotating part 11 is faster than the set value, it is connected to each pole 121
- the rectifier 13 is connected in parallel to maintain an appropriate voltage.
- the rotating part 11 is connected to a power source such as water or wind power and an electric bike to rotate at an irregular speed, so that the current output from the DC generator 1 maintains a constant voltage by the circuit switching part 15.
- the circuit switching unit 15 may adjust the number of rectifying units 13 of each pole 121 connected in a series or parallel connection state, through which the voltage can be adjusted more accurately.
- the circuit switching unit 15 may include a switching circuit 151, a serial/parallel switching module 152, and a connection setting module 153.
- the switching circuit 151 is configured to connect between the rectifier 13 connected to each pole 121 and the power storage device B, and the rectifier 13 connected to each pole 121 may be connected in series or parallel.
- the switching circuit 151 includes a serial switch 151a connecting in series between the rectifying units 13 connected to each pole 121 and a parallel switch 151b connecting in parallel as shown in FIG.
- the serial switch 151a When the serial switch 151a is turned on and the parallel switch 151b is turned off, the serial switch 151a is connected in series, and vice versa, the serial switch 151a is connected in parallel.
- the conversion circuit 151 may be printed on the PCB board 14 or formed on a separate power storage device B side.
- the serial switch (151a) is connected in series and connects in series between the rectifier 13 and the power storage device (B) connected to each pole (121), and the switching circuit (151) and the power storage device (B) are connected in series. ). It may include a series conversion switch 151a-1 to connect between, and a module connection switch 151a-2 to connect between each pole 121 and the connected rectifier 13. For example, when the rectifying part 13 connected to each pole 121 is represented as 13a, 13b, 13c, 13d as shown in FIG.
- each rectifying part 13a, 13b, 13c, 13d is a module connection switch ( 151a-2), the conversion circuit 151 and the power storage device (B) are connected by a series conversion switch 151a-1, and the module connection switch 151a-2 and the series conversion switch ( 151a-1) are all turned on.
- the connection of the module connection switch 151a-2 can be adjusted. For example, if only three poles (13a, 13b, 13c) are connected, the module connection switch (151a-2) formed between 13c and 13d is turned off to release the connection. ,13b,13c) can only be connected in series.
- the module connection switch 151b-2 of the parallel switch 151b formed under the rectifier 13c is connected instead so that the configuration of a series circuit can be made.
- the parallel switch 151b is connected in parallel to connect the rectifier 13 connected to each pole 121 and the power storage device B in parallel, and the operating principle is the same as the serial switch 151a.
- the serial-to-parallel conversion module 152 is configured to control the serial or parallel connection of the conversion circuit 151 according to the rotational speed of the rotating part 11, and the serial switch 151a or the parallel switch 151b is turned on. Adjust as much as possible. Accordingly, when the rotational speed of the rotating unit 11 is greater than or equal to a set value, the serial-parallel conversion module 152 turns on all of the serial switches 151a as shown in Fig. 6(a), so that each pole 121 ) And the connected rectifying unit 13 are connected in series, and when the rotational speed of the rotating unit 11 is less than the set value, all the parallel switches 151b are turned on as shown in Fig. 6(b). Each pole 121 and the connected rectification unit 13 to be connected in parallel.
- the connection setting module 153 is configured to adjust the number of the poles 121 to be connected, and more precisely, the number of rectifiers 13 connected to the poles 121 to be connected.
- the circuit conversion unit 15 controls the series or parallel connection of the conversion circuit 151 through the series/parallel conversion module 152 so that the voltage value of the current generated in the DC generator 1 can be kept constant. , Since the voltage value cannot be accurately kept constant only by adjusting in series or in parallel, the number of poles 121 to be connected is adjusted so as to fit the set voltage value as much as possible.
- the connection setting module 153 adjusts the connection of the module connection switches 151a-2 and 151b-2 in either series or parallel connection to control the number of poles 121 to be connected, and provides a smooth connection of circuits.
- connection setting module 153 is configured to control the number of poles 121 to be connected after the series or parallel connection of the conversion circuit 151 is selected by the series/parallel conversion module 152 according to the rotational speed of the rotating part 11. In the case of series connection, if the voltage value output from the switching circuit 151 is less than the set value, the number of poles 121 to be connected is increased, and if it is more than the set value, the number of poles 121 to be connected is increased. Reduce it so that it is as close as possible to the set voltage value.
- the DC generator 1 can output a constant voltage as much as possible even when the rotating part 11 is rotated irregularly and connected to a plurality of poles 121, and through this, efficient power generation and efficient power storage device (B) And stable charging.
- the electric bike includes the DC generator 1 and a drive device 2 mounted on the wheels of the electric bike to drive the wheels. , It may include a drive control unit (3) for controlling the operation of the drive device (2).
- the DC generator 1 may be applied to and used in various power generation devices and electric drive devices, but may be connected to a wheel of an electric bike to generate power.
- the DC generator 1 allows the rotating part 11 to rotate together by being connected to a wheel, and stores the generated power in a battery so that it can be used for driving an electric bike.
- the description of the DC generator 1 is the same as described above, and thus will be omitted below.
- the electric bike allows a plurality of drive motors 211 to be directly connected to and mounted on one wheel, thereby distributing the load given to the drive motor 211 and enabling effective diffusion of heat, and depending on the degree of acceleration, the drive motor ( 211) is selectively operated to enable efficient use of electricity.
- the electric bike can stop the operation of the drive motor 211 in places where electricity consumption is unnecessary, such as a downhill road, while preventing the rotation of the wheel from affecting the drive motor 211. It prevents damage and maintains the rotational balance between the drive motors 211.
- the wheel refers to a wheel on one side of the electric bike on which the driving device 2 is mounted, and includes all wheels at various positions that transmit driving force to the electric bike, such as the front side and the rear side.
- the electric bike of the present invention includes electric motorcycles, electric bicycles, etc. having various numbers of wheels such as two, three, and four wheels.
- the driving device 2 is mounted directly on a wheel of an electric bike to generate a driving force, and a plurality of driving modules 21 each having a driving motor 211 are mounted on and fixed to the partition 22, The driving force of each driving motor 211 is transmitted to the main shaft 23 of the wheel through the differential gear 24 so that the wheel can be rotated.
- the driving module 21 includes a driving motor 211, and a plurality of them are directly mounted on a wheel to transmit a driving force.
- the driving module 21 includes a driving gear 212 rotated by the driving motor 211 in order to transmit the rotational force of the driving motor 211 to the differential gear 24. Accordingly, the driving module 21 is formed in a shape surrounding the circumference of the differential gear 24, and causes the driving gear 212 to rotate according to the operation of the driving motor 211, and the rotation of the driving gear 212 According to the differential gear 24 rotates together so that the wheel can be rotated.
- the drive motor 211 is configured to provide a driving force for rotating the wheels of the electric bike, and a plurality of them are directly mounted on the wheels. More precisely, the driving motor 211 rotates the driving gear 212, and the differential gear 24 engaged with the driving gear 212 can also rotate together.
- the drive motor 211 is formed in plural and is formed to directly rotate the wheel so that the load applied to the drive motor 211 can be distributed.
- the motor of the existing electric bike was formed as one and had to cover all RPMs, there was a problem that an excessive load was generated, and accordingly, a large-capacity motor had to be used, and heat generation was also very severe. In particular, at the start of the electric bike, since one motor must continuously exert maximum torque for acceleration, the load applied to the motor is further increased.
- the present invention divides the driving motor 211 into a plurality of parts and rotates one wheel, thereby distributing the load applied to the driving motor 211, and the driving motor 211 is formed by dividing into a plurality of small pieces. Accordingly, the heat generated from each driving motor 211 does not remain in the driving motor 211 and can be easily radiated to the outside.
- the present invention allows the driving motor 211 to be opened to the outside while maintaining the gap between the driving motors 211, and a first partition wall 221 to be described later to which the driving motor 211 is fixed is formed as a heat sink. Thus, it is possible to more effectively diffuse heat generated from the driving motor 211.
- the plurality of drive motors 211 are selectively operated according to the degree of acceleration of the electric bike, so that a larger number of drive motors 211 are operated as greater force is required, thereby distributing load and using electricity. This can be achieved efficiently, and the operation degree between the operated drive motors 211 is maintained uniformly, thereby enabling more efficient use of the drive motor 211.
- a rotation blocking member 212b is formed between the driving shaft 211a of the driving motor 211 and the driving gear 212, so that the rotation of the driving gear 212 with respect to the driving shaft 211a is made only in one direction. Make it possible. A detailed description of this will be described later.
- the driving gear 212 is configured to rotate according to the operation of the driving motor 211, and more precisely, it may be formed on the upper side of the driving motor 211 to be connected to the driving shaft 211a of the driving motor 211. .
- the driving gear 212 is formed in the space between the second partition wall 222 and the third partition wall 223 to be described later, and each of the plurality of driving gears 212 can rotate in engagement with the differential gear 24 at the center. So that the driving force of the driving motor 211 can be transmitted to the wheel.
- the driving gear 212 may rotate by inserting a rotation shaft 212a at the center thereof, and is connected to the driving shaft 211a of the driving motor 211 to rotate according to the operation of the driving motor 211.
- a rotation blocking member 212b may be formed between the rotation shaft 212a and the drive shaft 211a.
- the rotation blocking member 212b is a configuration that allows rotation in only one direction between two adjacent configurations, and allows the rotation shaft 212a to rotate in only one direction with respect to the drive shaft 211a, and one-way bearing It can be formed as Accordingly, when the rotation shaft 212a rotates in one direction with respect to the driving shaft 211a, the rotation of the rotation shaft 212a can freely rotate without affecting the driving shaft 211a. Through this, it is possible to prevent the rotation of the rotation shaft 212a, that is, the rotation of the wheel, from affecting the driving motor 211 even when the operation of the driving motor 211 is stopped on a downhill road, etc.
- the rotation blocking member 212b blocks the rotation of the rotation shaft 212a in the other direction with respect to the driving shaft 211a, which allows the rotation shaft 212a to engage with it and rotate together when the driving shaft 211a rotates. By doing so, it is to allow the driving force of the driving motor 211 to be transmitted to the driving gear 212 and the wheel.
- the rotation blocking member 212b causes the rotation shaft 212a to rotate together with the driving shaft 211a when the driving motor 211 is operated so that the driving gear 212 is rotated, and the driving motor 211 When the motor is stopped, the rotation of the rotation shaft 212a is prevented from being transmitted to the driving shaft 211a to block the influence on the driving motor 211.
- the partition wall portion 22 is configured to fix the driving device 2, so that the first partition wall 221, the second partition wall 222, and the third partition wall 223 are opposed to each other and formed at a predetermined interval. . Therefore, the first partition wall 221, the second partition wall 222, and the third partition wall 223 form a predetermined space therebetween, preferably the first partition wall 221 and the second partition wall 222 The space between them is opened to the outside, and the space between the second partition wall 222 and the third partition wall 223 is blocked from the outside so as to be sealed.
- the first partition wall 221 is a configuration in which the driving motor 211 is mounted and fixed, and is formed to be spaced apart from the second partition wall 222 with the driving motor 211 therebetween.
- the first partition wall 221 allows a plurality of driving motors 211 to be fixed at a predetermined interval, and the space between the second partition walls 222 is opened to the outside. Therefore, the drive motor 211 fixed to the first partition wall 221 not only reduces heat generation as the size and capacity of the drive motor 211 are reduced and the load applied is reduced, but also the space between the drive motors 211 open to the outside. The heat is discharged through to prevent overheating.
- the first partition wall 221 may be formed as a heat sink so that heat generated in the driving motor 211 can be effectively diffused, and may be made of a metal material having high thermal conductivity, but is not limited thereto. , It can be formed of a variety of materials that can be made to be effective heat diffusion.
- the second partition wall 222 is formed to be spaced apart from each other by a predetermined interval between the first partition wall 221 and the third partition wall 223, and the rotation shaft 212a of the driving gear 212 may pass therethrough.
- a driving motor 211 is positioned in the space between the second partition wall 222 and the first partition wall 221, and a driving gear 212 between the second partition wall 222 and the third partition wall 223 ) And the differential gear 24 are formed.
- the second partition wall 222 may allow the main shaft 23 to pass therethrough, and the space between the second partition wall 222 and the third partition wall 223 is sealed with the outside, and lubricant oil in the sealed space Can be injected.
- the third partition wall 223 is formed to face the second partition wall 222, and allows the main shaft 23 to pass through and form an enclosed space with the second partition wall 222.
- the main shaft 23 is connected to the wheel to become the center of rotation of the wheel, is coupled to the differential gear 24 to rotate together, and allows the wheel to rotate according to the operation of the driving motor 211 .
- the differential gear 24 is fixed to the main shaft 23 and rotates together, and a plurality of driving gears 212 are engaged and rotated along the periphery. Accordingly, the differential gear 24 is rotated together by a plurality of driving gears 212 that rotate according to the operation of the driving motor 211.
- the driving control unit 3 is configured to control the operation of the driving device 2, and the driving module 21 to be operated is selected according to the acceleration degree of the electric bike, and the selected driving module 21 can be uniformly operated. To be.
- the driving control unit 3 detects the load applied to the driving motor 211 of each driving module 21 and adjusts the output, so that the driving motor 211 is evenly used even when the driving motor 211 is aging. This is possible, and if the inconsistency in the degree of operation between the driving motors 211 continues, the abnormality of the driving motor 211 can be diagnosed and notified to the user, so that a quick response to the abnormality of the driving motor 211 is possible. do.
- the drive control unit 3 may include an operation control unit 31, a load control unit 32, and an abnormality diagnosis unit 33, as shown in FIG. 9.
- the operation control unit 31 is configured to adjust the operation of the driving module 21 according to the acceleration of the electric bike, and controls the operation of the plurality of driving modules 21 mounted on the wheels.
- the operation control unit 31 selects the driving module 21 to be operated according to the input acceleration information, and enables each driving motor 211 of the selected driving module 21 to operate uniformly.
- the operation control unit 31 may include an acceleration information input module 311, an operation module selection module 312, and a uniform operation module 313.
- the acceleration information input module 311 is configured to input acceleration information of an electric bike, and allows acceleration information according to a user's manipulation to be input as an electric signal.
- the operation module selection module 312 is configured to select the driving module 21 to be operated according to the acceleration information input by the acceleration information input module 311, and more accurately select the driving motor 211 to be operated. do.
- the operation module selection module 312 may be configured to preset the number of drive motors 211 to be operated according to the acceleration degree, and the greater the acceleration degree, the greater the number of drive motors 211 to operate.
- the driving motors 211 selected by the operation module selection module 312 are uniformly operated by the uniform operation module 313, and even if only some of the driving motors 211 are selected and operated, the driving gear 212 thereby Since the rotation of the rotation blocking member 212b does not affect the driving motor 211 not operated by the rotation blocking member 212b, uniform operation of the selected driving motors 211 can be performed smoothly.
- the uniform operation module 313 is configured to uniformly operate the driving motors 211 selected by the operation module selection module 312, and evenly distributes the load for each driving motor 211 and drives each It allows efficient use of the motor 211. Accordingly, the uniform operation module 313 can guarantee the life of each drive motor 211 to the maximum, and heat generated by each drive motor 211 can be kept to a minimum.
- the load adjustment unit 32 maintains the rotational speed of each drive motor 211 uniformly, distributes the load applied to each drive motor 211 evenly, and enables efficient driving of the wheels. It detects the load applied to 211) so that the output can be adjusted.
- Each driving motor 211 operates uniformly by the uniform operation module 313, but the rotational speed of each driving motor 211, that is, the driving shaft 211a, according to aging, contamination, damage, etc. of each driving motor 211 May lead to inconsistent rotational speed.
- the load adjustment unit 32 may include a load detection module 321, a load comparison module 322, and an output control module 323.
- the load detection module 321 is configured to detect the load applied to each driving motor 211, and the driving motor 211 of the driving module 21 selected and operated by the operation module selection module 312 is Try to sense the load.
- the load detection module 321 may measure the load by various methods, and as an example, measure the rotation speed of the drive shaft 211a of each drive motor 211.
- the load comparison module 322 is configured to compare the load of each driving motor 211 sensed by the load detection module 321, and to compare the rotation speed of the drive shaft 211a of each driving motor 211 can do.
- Each driving motor 211 is started to operate with the same output by the uniform operation module 313, but as described above, even when operating with the same output, the same due to aging, contamination, damage, etc. of the specific driving motor 211
- the load comparison module 322 compares the load of each driving motor 211 and adjusts it to the same rotational speed, so that the other driving motor 211 due to aging, contamination, damage, etc. of the specific driving motor 211 It prevents excessive load from being generated, and enables efficient transmission of driving force to the wheel through even use of the driving motor 211.
- the output control module 323 is configured to have the same rotational speed by adjusting the output of each drive motor 211 according to the load of each drive motor 211 compared by the load comparison module 322 , By preventing the load from being biased on the specific driving motor 211, it is possible to use the driving motor 211 evenly, so that the driving of the wheels using the plurality of driving motors 211 can be efficiently performed. For example, the output control module 323 may lower the output of the driving motor 211 with a high load and increase the output of the driving motor 211 with a low load to have the same rotational speed.
- the abnormality diagnosis unit 33 is configured to diagnose an abnormality of the driving motor 211, and when a rotational speed mismatch between each driving motor 211 occurs by the load adjustment unit 32, according to the degree or frequency of the mismatch.
- the abnormality of the driving motor 211 is diagnosed and notified.
- the abnormality diagnosis unit 33 can immediately diagnose an abnormality of the driving motor 211 when the degree of inconsistency in the rotational speed is large, and even when the degree of inconsistency is not large, the driving motor 211 ) To be diagnosed and notified.
- the abnormality diagnosis unit 33 may include an inconsistency calculation module 331, a diagnosis start module 332, a frequency calculation module 333, and an abnormality warning module 334.
- the inconsistency degree calculation module 331 is configured to calculate the degree of inconsistency between each driving motor 211 compared by the load comparison module 322, and calculates the degree of difference in rotation speed of each driving motor 211. I can. If the degree of inconsistency calculated by the inconsistency degree calculation module 331 is very large and exceeds a certain value, it can be immediately diagnosed as an abnormality of a specific drive motor 211, but does not exceed a certain value, but the output control module ( When the output is adjusted by 323, the diagnosis of the driving motor 211 may be started by the diagnosis start module 332.
- the diagnosis initiation module 332 does not exceed a certain value of the inconsistency calculated by the inconsistency calculation module 331, but when the output adjustment by the output control module 323 occurs, the specific driving motor 211
- This configuration initiates diagnosis of, and stores information on a specific driving motor 211 so that the frequency at which the output adjustment occurs by the frequency calculation module 333 can be calculated.
- the frequency calculation module 333 calculates the frequency at which the output adjustment occurs by the output control module 323 for the driving motor 211 for which diagnosis is started.
- the output of each driving motor 211 is adjusted by the output control module 323 to match the rotational speed, but the rotational speed mismatch occurs again within a certain time. In this case, the output is adjusted again by the output control module 323.
- the rotational speed mismatch occurs repeatedly, the probability of occurrence of an abnormality of the specific driving motor 211 is very high, so that the frequency calculation module 333 generates a rotational speed mismatch with respect to the specific drive motor 211.
- the frequency is calculated so that when a discrepancy occurs more than a certain frequency, the abnormality of the driving motor 211 can be notified by the abnormality warning module 334.
- the abnormality warning module 334 is configured to notify the user of an abnormality in the driving motor 211, and the degree of inconsistency exceeds a certain value by the inconsistency calculation module 331 or is calculated by the frequency calculation module 333. When the frequency is more than a certain number of times, it is notified as an abnormality of the driving motor 211.
- the abnormality warning module 334 may visually and audibly notify the occurrence of an abnormality in the driving motor 211 through a separate screen, lighting, or sound.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
Claims (9)
- 내측 둘레를 따라 영구자석이 설치된 상태로 회전하는 회전부와;코일이 권선된 다수의 폴이 영구자석의 내측으로 대향되어 형성되며, 회전부의 회전에 따라 교류 전류가 발생되는 권선부와;상기 권선부와 연결되어 권선부에서 발생된 전류를 직류로 전환하는 정류부와;상기 권선부 및 정류부가 고정되는 PCB판;을 포함하고,상기 정류부는, 다수의 폴 각각에 개별적으로 연결되는 다수의 정류다이오드를 포함하여, 각 폴에서 발생되는 전류를 각 정류다이오드에서 개별적으로 정류하도록 하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 1 항에 있어서, 상기 PCB판은정류를 위해 인쇄된 정류회로를 포함하며,각 폴에 권선된 코일은 정류회로에 연결되도록 하고,각 폴의 코일과 연결된 정류회로는 각각 정해진 정류다이오드와 연결되도록 하여, 각 폴 별로 개별적인 정류가 이루어지도록 하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 2 항에 있어서, 상기 폴은일정 간격 이격되어 원형으로 형성되도록 하고,상기 정류다이오드는 상기 폴의 외측 둘레를 따라 일정 간격 이격되어 원형으로 형성되도록 하며,상기 폴 및 정류다이오드는 사용자가 원하는 전압과 전류에 따라 일정 개수로 형성되도록 하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 3 항에 있어서, 상기 모듈형 초경량 DC발전기는상기 PCB판을 서로 대향되도록 연결하여 고정되도록 함으로써, 복수개가 적층되어 하나의 발전기를 형성할 수 있도록 하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 1 항에 있어서, 상기 모듈형 초경량 DC발전기는각 폴에서 발생되어 정류부를 거쳐 나온 전류가 직렬 또는 병렬로 연결되어 별도의 전력저장장치로 전달되도록 하는 회로전환부를 포함하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 5 항에 있어서, 상기 회로전환부는각 폴 사이를 직렬 또는 병렬로 연결하는 전환회로와, 상기 회전부의 회전속도에 따라 상기 전환회로를 직렬 또는 병렬로 전환하는 직병렬전환모듈을 포함하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 6 항에 있어서, 상기 전환회로는각 폴 사이를 직렬로 연결되도록 하는 직렬스위치와, 각 폴 사이를 병렬로 연결되도록 하는 병렬스위치를 포함하고,상기 직병렬전환모듈은, 상기 회전부의 회전속도가 설정된 값 이상인 경우 직렬스위치를 온 상태가 되도록 하고 병렬스위치를 오프 상태가 되도록 하며, 회전부의 회전속도가 설정된 값 미만인 경우 병렬스위치를 온 상태가 되도록 하고 직렬스위치를 오프 상태가 되도록 하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 7 항에 있어서, 상기 회로전환부는설정된 전압값에 따라 연결되는 폴의 개수를 조절하는 연결설정모듈을 포함하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
- 제 8 항에 있어서, 상기 직렬스위치는각 폴이 직렬로 연결된 상태에서 전환회로를 별도의 전력저장장치와 연결시키는 직렬전환스위치와, 각 폴 사이를 직렬로 연결하는 모듈연결스위치를 포함하고,상기 병렬스위치는, 각 폴이 병렬로 연결된 상태에서 전환회로를 별도의 전력저장장치와 연결시키는 병렬전환스위치와, 각 폴 사이를 병렬로 연결하는 모듈연결스위치를 포함하고,상기 연결설정모듈은, 상기 모듈연결스위치의 작동을 조절하여 전환회로에 연결되는 폴의 개수를 조절하도록 하는 것을 특징으로 하는 모듈형 초경량 DC발전기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190030639A KR102060701B1 (ko) | 2019-03-18 | 2019-03-18 | 모듈형 초경량 dc발전기 |
KR10-2019-0030639 | 2019-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020189939A1 true WO2020189939A1 (ko) | 2020-09-24 |
Family
ID=69103091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2020/003294 WO2020189939A1 (ko) | 2019-03-18 | 2020-03-10 | 모듈형 초경량 dc발전기 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR102060701B1 (ko) |
WO (1) | WO2020189939A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090048594A (ko) * | 2006-07-14 | 2009-05-14 | 오픈하이드로 그룹 리미티드 | 수력발전 터빈 |
JP2009142130A (ja) * | 2007-12-10 | 2009-06-25 | Toyota Central R&D Labs Inc | 回転電機及び回転電機駆動装置 |
KR20120001690A (ko) * | 2010-06-29 | 2012-01-04 | 지멘스 악티엔게젤샤프트 | 발전기, 풍력 터빈, 발전기를 조립하는 방법 및 풍력 터빈에서 발전기의 용도 |
KR20130050548A (ko) * | 2011-11-08 | 2013-05-16 | 현대중공업 주식회사 | 영구자석 및 권선 복합구조체를 구비한 발전기 |
KR20140110955A (ko) * | 2011-12-21 | 2014-09-17 | 보벤 프로퍼티즈 게엠베하 | 기어리스 풍력 터빈의 제너레이터 |
-
2019
- 2019-03-18 KR KR1020190030639A patent/KR102060701B1/ko active IP Right Grant
-
2020
- 2020-03-10 WO PCT/KR2020/003294 patent/WO2020189939A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090048594A (ko) * | 2006-07-14 | 2009-05-14 | 오픈하이드로 그룹 리미티드 | 수력발전 터빈 |
JP2009142130A (ja) * | 2007-12-10 | 2009-06-25 | Toyota Central R&D Labs Inc | 回転電機及び回転電機駆動装置 |
KR20120001690A (ko) * | 2010-06-29 | 2012-01-04 | 지멘스 악티엔게젤샤프트 | 발전기, 풍력 터빈, 발전기를 조립하는 방법 및 풍력 터빈에서 발전기의 용도 |
KR20130050548A (ko) * | 2011-11-08 | 2013-05-16 | 현대중공업 주식회사 | 영구자석 및 권선 복합구조체를 구비한 발전기 |
KR20140110955A (ko) * | 2011-12-21 | 2014-09-17 | 보벤 프로퍼티즈 게엠베하 | 기어리스 풍력 터빈의 제너레이터 |
Also Published As
Publication number | Publication date |
---|---|
KR102060701B1 (ko) | 2019-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9647582B2 (en) | Induction motor-permanent magnet generator tandem configuration starter-generator for hybrid vehicles | |
WO2015088076A1 (ko) | 복수의 보조동력 구조를 갖는 발전겸용 전동수단을 갖는 바퀴 | |
WO2011004921A1 (ko) | 전동 발전 장치를 구비하는 전기 차량 및 그 구동 방법 | |
WO2015056966A1 (ko) | 전륜 발전 후륜 구동 하이브리드 모터사이클 | |
EP0495681A2 (en) | Superconducting rotating machine | |
WO2016064015A1 (ko) | 구동과 전기충전이 동시에 이루어지는 모터발전기 | |
WO2013115498A1 (ko) | 전기차의 구동전원공급장치 및 그 제어방법 | |
WO2011015112A1 (zh) | 一种盘式电机混合动力总成 | |
WO2012086905A2 (ko) | 차량의 휠캡용 광고장치 | |
WO2014051288A1 (ko) | 다단 모터 | |
WO2020189939A1 (ko) | 모듈형 초경량 dc발전기 | |
WO2015165012A1 (en) | Brushless motor and system thereof | |
WO2013032122A1 (ko) | 종축자속형 영구자석 동기발전기 및 모터 | |
WO2012138010A1 (ko) | 탈부착 가능한 태블릿 pc를 이용하는 전기자동차의 전원관리 시스템 및 이를 포함하는 전기자동차 | |
WO2022220579A1 (ko) | 프로펠러 구동장치 및 이를 이용한 드론 | |
KR100294390B1 (ko) | 전기차량을구동하기위한시스템및그방법 | |
WO2014200193A1 (ko) | 양방향 전력 변환 장치 | |
WO2017122968A1 (ko) | 고속 발전장치 | |
WO2015072590A1 (ko) | 휴대용 자가 발전기 | |
WO2024122753A1 (ko) | 멀티 출력을 제공하는 발전기 | |
WO2017099399A1 (ko) | 고속 전동기 | |
WO2017159892A1 (ko) | 물튀김 방지덮개를 이용한 이륜차의 발전겸용 무코어 전동장치 | |
WO2023054953A1 (ko) | 속도변경 및 그에 따른 효율구간 변경이 가능한 전동기 또는 발전기 | |
WO2024076119A1 (ko) | 발전 기능을 가진 모터 | |
WO2024049093A1 (ko) | 마찰 발전기용 슬림형 디스크 구동장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20774049 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20774049 Country of ref document: EP Kind code of ref document: A1 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20774049 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 09/08/2022) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20774049 Country of ref document: EP Kind code of ref document: A1 |