WO2019245064A1 - Générateur et procédé de commande de générateur - Google Patents

Générateur et procédé de commande de générateur Download PDF

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Publication number
WO2019245064A1
WO2019245064A1 PCT/KR2018/006863 KR2018006863W WO2019245064A1 WO 2019245064 A1 WO2019245064 A1 WO 2019245064A1 KR 2018006863 W KR2018006863 W KR 2018006863W WO 2019245064 A1 WO2019245064 A1 WO 2019245064A1
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WO
WIPO (PCT)
Prior art keywords
rotor
cage
stator
shaft
hole
Prior art date
Application number
PCT/KR2018/006863
Other languages
English (en)
Korean (ko)
Inventor
임현재
임해섭
Original Assignee
(주)성우테크
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)성우테크 filed Critical (주)성우테크
Priority claimed from KR1020180069830A external-priority patent/KR101920889B1/ko
Priority claimed from KR1020180069831A external-priority patent/KR101920890B1/ko
Publication of WO2019245064A1 publication Critical patent/WO2019245064A1/fr

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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
    • H02J7/14—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
    • H02K16/00—Machines with more than one rotor or stator
    • 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
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/02—Details of stopping control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/02—Details of the control

Definitions

  • the present invention relates to a generator and its control method capable of maintaining high efficiency by operating only a required number of power generation modules according to the amount of energy input.
  • the generator is a device that converts mechanical energy into electrical energy, and an example is a device that converts rotational force of an impeller rotating by hydraulic power, wind power, tidal power, and the like into electrical energy.
  • the generator is required to input the appropriate size according to the designed power generation capacity, if the input does not meet the criteria by any factor, the generator has a problem of stopping the power generation or the power generation efficiency is low. In particular, this problem is prominent in the renewable energy field where the magnitude of input energy is easily changed by external environmental factors such as hydro, wind and tidal power.
  • the present invention is to solve the problem to provide a generator and a control method that can be stably generated even under the condition of changing the magnitude of the input energy.
  • the present invention is to solve the problem to provide a generator with high efficiency and a control method thereof under the condition that the magnitude of the input energy changes.
  • the present invention is to solve the problem to provide a modular generator and control method that is composed of a plurality of power generation modules can be combined with or separated from each other as needed.
  • the present invention is an input shaft that rotates by an external force;
  • the first rotor is fixed to the first magnetic force forming portion provided with a permanent magnet or an electromagnet, the first stator is provided with a first coil for generating an induced current when the first rotor is rotated, and the rotational motion of the input shaft
  • a first power generation module provided with a first conversion unit converting the rotational motion of the rotor
  • the second rotor is fixed to the second magnetic force forming portion provided with a permanent magnet or an electromagnet, a second stator provided with a second coil for generating an induced current when the second rotor is rotated, and the rotational motion of the first converter
  • a second power generation module having a second conversion unit converting the rotational motion of the second rotor
  • a third rotor in which a third magnetic force forming unit provided as a permanent magnet or an electromagnet is fixed, a third stator having a third coil for generating an induced current when the third rotor is rotate
  • the first stator may include a ring-shaped first stator body; And a first bobbin protruding from the first stator body toward the center of the first stator body to form a first stator through-hole, and to which the first coil is fixed.
  • a first rotor body rotatably provided in the stator through-hole and fixed to the first magnetic force forming unit;
  • a first rotor through hole provided to penetrate the center of the first rotor body;
  • a first ring gear provided along a circumferential surface formed by the first rotor through hole, wherein the first conversion part is connected to the input shaft at one end and the other end is located at the first rotor through hole.
  • the second stator includes: a ring-shaped second stator body; And a second bobbin protruding from the second stator body toward the center of the second stator body to form a second stator through hole, and the second coil fixed thereto.
  • a second rotor body rotatably provided in the stator through-hole and fixed to the second magnetic force forming unit;
  • a second rotor through hole provided to penetrate the center of the second rotor body;
  • a second ring gear provided along a circumferential surface formed by the second rotor through hole, wherein the second conversion part is connected to the first cage and the other end is located in the second rotor through hole.
  • the third stator includes: a ring-shaped third stator body; And a third bobbin which protrudes from the third stator body toward the center of the third stator body to form a third stator through hole, and the third coil is fixed to the third rotor.
  • a third rotor body rotatably provided in the stator through-hole and fixed to the third magnetic force forming unit;
  • a third rotor through hole provided to penetrate the center of the third rotor body;
  • a third ring gear provided along a circumferential surface formed by the third rotor through hole, wherein the third conversion part is connected to the second cage and the other end is located in the third rotor through hole.
  • a third cage rotatable inside the third rotor through hole; And a third planetary gear rotatably fixed to the third cage to transfer the rotational motion of the third sun gear to the third ring gear.
  • the first cage includes a first cage first body and a first cage second body respectively provided at opposite ends of the first sun gear; A first planetary gear rotational shaft forming a rotational axis of the first planetary gear; A first cage first through hole provided through the first cage and having the first shaft inserted therein; And a first cage rotating shaft provided in the second body of the first cage to form a center of rotation of the first cage, wherein the second cage is provided at opposite ends of the second sun gear, respectively.
  • the input shaft may be detachably coupled to the first shaft
  • the second shaft may be detachably coupled to the first cage rotation shaft
  • the third shaft may be detachably coupled to the second cage rotation shaft.
  • the present invention provides a first brake unit for supplying current to the first coil to stop the rotation of the first rotor; A second braking unit supplying a current to the second coil to stop rotation of the second rotor; And a third braking unit supplying a current to the third coil to stop the rotation of the third rotor.
  • the power generation capacity of the first power generation module, the power generation capacity of the second power generation module, and the power generation capacity of the third power generation module may be equally set.
  • the first power generation module may further include a first housing configured to provide a space in which the first stator, the first rotor, and the first converter are accommodated, and the second power generation module may include the second stator and the first power supply. And a second housing providing a space for accommodating the second rotor and the second converter, wherein the third power generation module includes a space in which the third stator, the third rotor, and the third converter are accommodated.
  • Providing a third housing may further include.
  • the present invention includes a first connector connecting the first housing and the second housing; And a second connector connecting the second housing and the third housing.
  • the first stator is provided with a ring shape, the first stator body fixed inside the first housing; And a first bobbin protruding from the first stator body toward the center of the first stator body to form a first stator through-hole, and to which the first coil is fixed.
  • a first rotor body rotatably provided in the stator through-hole and fixed to the first magnetic force forming unit;
  • a first rotor through hole provided to penetrate the center of the first rotor body;
  • a first ring gear provided along a circumferential surface formed by the first rotor through hole, wherein the first converting part passes through the first housing and passes through a center of the first rotor through hole.
  • a second rotor body rotatably provided in the stator through-hole and fixed to the second magnetic force forming unit;
  • a second rotor through hole provided to penetrate the center of the second rotor body;
  • a second ring gear provided along a circumferential surface formed by the second rotor through hole, wherein the second converting part passes through the second housing to pass through the center of the second rotor through hole.
  • a second shaft having one end connected to the other end of the first shaft; A second sun gear rotating by the second axis; A second cage rotatable inside the second rotor through hole; And a second planetary gear rotatably fixed to the second cage to transmit a rotational movement of the second sun gear to the second ring gear, wherein the third stator is provided in a ring shape to form the third gear.
  • a third stator body fixed inside the housing; And a third bobbin which protrudes from the third stator body toward the center of the third stator body to form a third stator through hole, and the third coil is fixed to the third rotor.
  • a third rotor body rotatably provided in the stator through-hole and fixed to the third magnetic force forming unit; A third rotor through hole provided to penetrate the center of the third rotor body; And a third ring gear provided along the circumferential surface formed by the third rotor through hole, wherein the third conversion part is provided to penetrate the third housing and passes through the center of the third rotor through hole.
  • a third shaft connected to the other end of the second shaft; A third sun gear rotating by the third axis; A third cage rotatable inside the third rotor through hole; And a third planetary gear rotatably fixed to the third cage to transfer the rotational motion of the third sun gear to the third ring gear.
  • the first cage includes a first cage first body and a first cage second body respectively provided at opposite ends of the first sun gear; A first planetary gear rotation shaft connecting the first cage first body and the first cage second body to form a rotation axis of the first planetary gear; A first cage first through hole provided to penetrate the first cage and the first shaft therethrough; And a first cage second through-hole provided to penetrate the second body of the first cage, wherein the second cage is provided at opposite ends of the second sun gear, respectively.
  • a third planetary gear rotation shaft connecting the first body of the third cage and the second body of the third cage to form a rotation axis of the third planetary gear;
  • a third cage first through hole provided through the third cage first body and through which the third shaft passes;
  • a third cage second through hole provided through the third cage second body and through which the third axis passes.
  • the present invention includes a first coupler for detachably coupling the other end of the first shaft and one end of the second shaft; And a second coupler that detachably couples the other end of the second shaft and one end of the third shaft to each other.
  • the present invention includes a first braking unit for supplying a current to the first coil to brake the first rotor; A second braking unit supplying a current to the second coil to brake the second rotor; And a third braking unit supplying a current to the third coil to brake the third rotor.
  • the present invention includes a first power storage unit for storing the electrical energy generated in the first coil; A second power storage unit storing electric energy generated in the second coil; And a third power storage unit configured to store the electric energy generated in the third coil.
  • An input shaft rotated by an external force A first rotor having a first magnetic force forming unit provided with a permanent magnet or an electromagnet, a first stator having a first coil for generating an induced current when the first rotor is rotated, and a rotational motion of the input shaft
  • a first power generation module provided with a first conversion unit converting the rotational motion of the first rotor and a first braking unit controlling the rotation of the first rotor
  • a second rotor having a second magnetic force forming unit provided with a permanent magnet or an electromagnet fixed thereto, a second stator having a second coil generating an induced current when the second rotor is rotated, and connected to the first converter unit
  • a second power generation module including a second conversion unit converting a rotational motion of the first converter into a rotational motion of the second rotor, and a second braking unit controlling the rotation of the second rotor;
  • a third rotor in which a third magnetic force forming unit provided as a
  • the present invention includes a sensing step of sensing the amount of energy supplied to the input shaft; And controlling at least one of the first rotor, the second rotor, and the third rotor by controlling the first braking unit, the second braking unit, and the third braking unit according to the amount of energy measured in the sensing step.
  • the power generation step includes any one of the first rotor, the second rotor, and the third rotor. If only the rotor of the rotation and the amount of energy measured in the sensing step is less than the second reference value set greater than the first reference value greater than the first reference value, the power generation step is the first rotor, the second rotor, and When only two rotors of the third rotor are rotated, and the amount of energy measured in the sensing step is equal to or greater than the second reference value, the power generation step rotates all of the first rotor, the second rotor, and the third rotor. Letting feet It provides a control method of a group.
  • the power generation step may include: rotating the first rotor by controlling the first brake unit to prevent current from being supplied to the first coil; Controlling the second braking unit to supply current to the second coil to brake the second rotor; And braking the third rotor by controlling the third braking unit to supply a current to the third coil.
  • the power generation step rotates the first rotor by controlling the first brake unit so that no current is supplied to the first coil. Enabling it; Controlling the second braking unit so that the current is not supplied to the second coil to enable the second rotor to rotate; And braking the third rotor by controlling the third braking unit to supply a current to the third coil.
  • the power generation step may include: rotating the first rotor by controlling the first brake unit to prevent current from being supplied to the first coil; Controlling the second braking unit so that the current is not supplied to the second coil to enable the second rotor to rotate; And allowing the third rotor to be rotatable by controlling the third braking unit so that a current is not supplied to the third coil.
  • the sensing step may determine the amount of energy supplied to the input shaft by detecting the rotation speed of the input shaft.
  • a second sensing step of measuring an amount of energy supplied to the input unit at a predetermined reference time after the start of the power generation step wherein the second sensing step includes the first coil, the second coil, and the The amount of energy supplied to the input shaft may be determined by measuring the sum of the electromotive force generated in the third coil or the sum of the induced currents.
  • the first brake part, the second brake part, and the third brake part are controlled to prevent current from being supplied to each of the first coil, the second coil, and the third coil before the detection step is started. And rotating all of the first rotor, the second rotor, and the third rotor, wherein the sensing step includes a sum or induction of electromotive force generated in the first coil, the second coil, and the third coil. By measuring the sum of the current it is possible to determine the amount of energy supplied to the input shaft.
  • the present invention further includes a second sensing step of measuring an amount of energy supplied to the input unit at a predetermined reference time after the start of the power generation step, wherein the power generation step is based on the amount of energy measured in the second detection step. Accordingly, the first braking unit, the second braking unit, and the third braking unit may be controlled.
  • An input shaft rotated by an external force A first rotor having a first magnetic force forming unit provided with a permanent magnet or an electromagnet, a first stator having a first coil for generating an induced current when the first rotor is rotated, and a rotational motion of the input shaft
  • a first power generation module provided with a first conversion unit converting the rotational motion of the first rotor and a first braking unit controlling the rotation of the first rotor
  • a second rotor having a second magnetic force forming unit provided as a permanent magnet or an electromagnet fixed thereto, a second stator having a second coil generating an induced current when the second rotor is rotated, and connected to the first converter unit.
  • a second power generation module having a second conversion unit for converting the rotational motion of the first conversion unit into the rotational motion of the second rotor, and a second braking unit for controlling the rotation of the second rotor.
  • the present invention includes a sensing step of sensing the amount of energy supplied to the input shaft; And a power generation step of rotating the at least one of the first rotor and the second rotor by controlling the first brake unit and the second brake unit according to the amount of energy measured in the sensing step.
  • the power generation step rotates only one of the first rotor and the second rotor, and when the amount of energy measured in the sensing step is equal to or greater than the first reference value.
  • the power generation step provides a control method of a generator for rotating both the first rotor and the second rotor.
  • the power generation step may include rotating the first rotor by controlling the first brake unit so that current is not supplied to the first coil; And braking the second rotor by controlling the second braking unit so that a current is supplied to the second coil.
  • the power generation step is performed. Controlling the first brake unit so that the current is not supplied to the first coil to enable the first rotor to rotate; And controlling the second braking unit so that the current is not supplied to the second coil so as to rotate the second rotor.
  • the sensing step may determine the amount of energy supplied to the input shaft by detecting the rotation speed of the input shaft.
  • the present invention may further include a second sensing step of measuring an amount of energy supplied to the input unit at a predetermined reference time after the start of the power generation step, wherein the second sensing step includes the first coil and the second coil.
  • the amount of energy supplied to the input shaft can be determined by measuring the sum of the electromotive force generated or the sum of the induced currents.
  • the first and second rotors are controlled by controlling the first and second brakes such that no current is supplied to each of the first coil and the second coil before the detection step is started. And rotating all of the third rotors, wherein the sensing step determines the amount of energy supplied to the input shaft by measuring the sum of the electromotive force generated in the first coil and the second coil or the sum of induced currents. can do.
  • the present invention has the effect of providing a generator and a control method thereof that can be stably generated even under conditions in which the magnitude of the input energy changes.
  • the present invention has the effect of providing a generator with high efficiency and a control method thereof even under conditions in which the magnitude of the input energy changes.
  • the present invention is composed of a plurality of power generation module has an effect that provides a modular generator and control method that can be combined or separated from each other as needed.
  • 1 and 2 show an example of the generator of the present invention.
  • FIG. 3 shows an example of the stator provided in each power generation module constituting the generator.
  • Figure 4 shows an example of the rotor provided in each power generation module constituting the generator.
  • 5 and 6 illustrate an example of a conversion unit provided in each power generation module constituting the generator.
  • FIG. 9 shows another embodiment of the generator of the present invention.
  • Figure 10 shows an example of the control method of the generator of the present invention.
  • the generator 100 of the present invention includes an input unit 1 that rotates by wind power, hydraulic power, tidal power, and the like, and a first power generation that converts rotational motion (mechanical energy) of the input unit 1 into electrical energy.
  • Module 2 through the second power generation module 5, the second power generation module 5 for converting the rotational movement of the input unit 1 transmitted through the first power generation module 2 into electrical energy
  • a third power generation module 8 for converting the rotational movement of the input unit 1 into electrical energy.
  • the input unit 1 may be provided as an input shaft 11, an impeller 13 fixed to the input shaft and rotated by wind or water. Therefore, when wind power, hydraulic power, or tidal force is supplied to the impeller 13, the input shaft 11 will be rotated by the impeller 13.
  • the first power generation module 2 includes a first housing 21 forming an exterior, a first stator 22 fixed inside the first housing, and an inside of the first housing. Connected to the first rotor 24 and the input shaft 11 to generate an induced electromotive force to the first stator 22 during rotation, thereby converting the rotational movement of the input shaft into the rotational movement of the first rotor 24.
  • First conversion unit 26 is included.
  • the first housing 21 may be provided as a cylindrical first housing body 211 in which the front and rear surfaces are open.
  • the first stator 22 is fixed to the circumferential surface of the first housing body 211 and is located inside the first housing body.
  • the open front surface of the first housing body 211 is closed by the first front cover 213, and the open rear surface of the first housing body 211 is referred to the first rear cover 215 (FIG. 6). It can be closed by).
  • the first stator 22 has a ring shape and is fixed to a circumferential surface of the first housing body 211, and the first stator body 221.
  • a first bobbin 223 protruding toward the center of the first stator body 221, and a first coil 225 fixed to the first bobbin 223.
  • the first stator body 221 and the first bobbin 223 may be provided with a conductor such as metal.
  • the first bobbin 223 may be provided with a plurality of protrusions protruding toward the center of the hole from the circumferential surface of the hole penetrating the first stator body 221. Since the length of the first bobbin 223 is set to be shorter than the radius of the hole, a first stator through hole 222 formed by a plurality of first bobbins 223 is provided at the center of the first stator body.
  • the first coil 225 may be fixed to the first stator body 221 by being wound around the first bobbin 223.
  • the first coil 225 may be formed of any material as long as an induced current may occur when the first rotor 24 is rotated.
  • the first coil 225 is formed of a conductor having excellent conductivity, such as copper.
  • the first rotor 24 should be rotatably provided in the first stator through hole 222.
  • a plurality of first rotors 24 fixed to a cylindrical first rotor body 241 having open front and rear surfaces and a circumferential surface of the first rotor body 241 are provided.
  • the distance from the center of the first rotor body 241 to the free end of the first magnetic force forming portion 247 of the first stator through hole 222 It must be set smaller than the radius.
  • a first rotor through hole 242 is provided at the center of the first rotor body 241, and a first ring is formed on an inner circumferential surface of the first rotor body 241 formed by the first rotor through hole 242.
  • Gear 245 is provided.
  • the first ring gear 245 is provided with a plurality of gear teeth parallel to the longitudinal direction (X-axis direction, the longitudinal direction of the first rotor body) of the first power generation module 2.
  • the first magnetic force forming unit 247 is a means that is fixed to an outer circumferential surface of the first rotor body 241 (one surface of the first rotor body facing the first stator through hole) to form magnetic force.
  • the magnetic force forming unit 247 may be provided with a plurality of permanent magnets or a plurality of electromagnets disposed along the outer circumferential surface of the first rotor body 241.
  • each permanent magnet should be fixed to the first rotor body 241 so that different magnetic poles are alternately exposed.
  • the controller must supply a current to the electromagnet so that the magnetic pole of one electromagnet is different from that of a neighboring electromagnet.
  • the first magnetic force forming portion 247 when the first magnetic force forming portion 247 is provided with an electromagnet, the first magnetic force forming portion 247 may be detachably provided to the first rotor body 241. This is to allow to adjust the amount of power generation of the first power generation module 2 as needed.
  • a plurality of first slots 243 may be further provided on the circumferential surface of the first rotor body 241 to which the first magnetic force forming unit 247 is detachably coupled.
  • the support body is detachably coupled to the circumferential surface of the first rotor body 241.
  • the first slot 243 of may be further provided.
  • the first slots 243 may be provided to be spaced apart from each other at equal intervals along the circumferential surface of the first rotor body 241.
  • the first converter 26 includes a first shaft 261 to which the input shaft 11 is detachably connected, and a first sun gear 262 rotated by the first shaft.
  • the first planetary gear 263 and the first planetary gear 263 which are configured to transmit the rotational force of the first sun gear to the first ring gear 245 are rotatably fixed to the first shaft 261.
  • a first cage C1 forming a concentric axis.
  • one end of the first shaft 261 is connected to the input shaft 11, and the other end of the first shaft 261 is located inside the first rotor through hole 242.
  • One end of the first shaft 261 is inserted into a front cover through hole (not shown) provided in the first front cover 213 and exposed to the outside of the first housing 21.
  • the front cover through hole may be provided with a bearing for rotatably supporting the first shaft 261.
  • the first shaft 261 is provided to form a concentric shaft with the input shaft 11.
  • the first cage C1 is rotatably provided in the first rotor through hole 242, and the first planetary gear 263 is rotatably fixed to the first cage C1.
  • the first cage C1 may include a first cage first body 264, a first cage second body 265, and the first cage first provided at opposite ends of the first sun gear 262, respectively.
  • the body 264 and the first cage second body 265 is connected, and includes a first planetary gear axis of rotation forming the rotation axis of the first planetary gear 263.
  • the first cage first body 264 is provided with a first cage first through hole 264a into which the first shaft 261 is inserted, and the first cage second body 265 has the first shaft.
  • a first cage rotating shaft 269 is provided to form a concentric shaft with the 261, and forms a center of rotation of the first cage C1.
  • first cage rotation shaft 269 is fixed to the first cage second body 265, and the other end (free end) of the first cage rotation shaft 269 is provided on the first rear cover 215. It is exposed to the outside of the first housing 21 through the rear cover through hole (not shown).
  • a bearing for rotatably supporting the first cage rotation shaft 269 may be provided in the rear cover through hole.
  • the first planetary gear 263 is preferably provided with two or more gears.
  • FIG. 5 illustrates an example in which the first planetary gear 263 is provided with three gears. That is, the first planetary gear 263 according to the present invention may include a first gear 263a (a first gear in the first converter), a second gear 263b and a second gear 263c in the first gear. , The first conversion unit third gear).
  • the first planetary gear rotation shaft connecting the first cage first body 264 and the second body 265 may include a first gear rotation shaft 266 forming a rotation shaft of the first gear 263a, and A second gear rotation shaft 267 forming a rotation shaft of the second gear 263b and a third gear rotation shaft 268 forming a rotation shaft of the third gear 263c may be provided.
  • the first planetary gear shafts 266, 267, and 268 are not necessarily provided to connect the first cage first body 264 and the first cage second body 265. That is, each of the gear rotation shafts 266, 267, and 268 connects the first cage first body 264 and one surface of the gears 263a, 263b, and 263c (the surfaces facing the first cage first body). It may be provided as a first connecting shaft, a second connecting shaft connecting the first cage second body 265 and the other surface (the surface facing the first cage second body) of each gear (263a, 263b, 263c). have.
  • the first power generation module 2 may further include a first braking part 27 which prevents the first rotor 24 from rotating.
  • the first braking part 27 may include the first braking part 27.
  • the case in which the rotation of the first rotor 24 is prevented by supplying a current to one coil 225 is illustrated.
  • the controller 9 controls the first brake unit 27 to supply current to the first coil 225
  • the first bobbins 223 will behave like an electromagnet. Therefore, a magnetic field is formed in the first stator through hole 222. Since the first rotor 24 includes the first magnetic force forming unit 247, when a magnetic field is formed in the first stator through hole 222, the first rotor 24 may not rotate and stop. Will remain in the state.
  • the generator 100 of the present invention may be further provided with a first power storage unit (not shown) for storing the energy generated from the first power generation module (2), the first power storage unit of the first rotor 24 It is preferably provided as a means for storing the induced current generated in the first coil 225 during rotation.
  • a first power storage unit (not shown) for storing the energy generated from the first power generation module (2), the first power storage unit of the first rotor 24 It is preferably provided as a means for storing the induced current generated in the first coil 225 during rotation.
  • the second power generation module 5 and the third power generation module 7 may have the same structure as the first power generation module 2 described above.
  • the second power generation module 5 is provided to receive the rotational force of the input shaft 11 through the first cage rotation shaft 269
  • the third power generation module 7 is provided in the second power generation module It may be provided to receive the rotational force of the input shaft 11 through the second cage rotating shaft. If the power generation modules of the same structure can be connected to each other, the user can determine the power generation capacity according to the conditions of the region where the generator is installed, it will be able to operate a high efficiency generator.
  • the second power generation module 5 includes a second housing 51 forming an appearance, a second stator 52 fixed inside the second housing, and an inside of the second housing. And a second rotor 54 which generates an induced electromotive force to the second stator 52 and the first cage rotation shaft 269 to rotate the first cage rotation shaft 269 to rotate the second rotor. And a second converting portion 56 that converts the rotational motion of 54.
  • the second housing 51 has a cylindrical second housing body 511 with an empty inside, and a second front cover 513 that closes the open front surface of the second housing body. ), A second rear cover 515 for closing the open rear surface of the second housing body.
  • the second power generation module 5 may further include a first connector 512 that fixes the second housing body 511 to the first housing body 211.
  • the first connector 512 may have any structure as long as it can connect the first housing body 211 and the second housing body 511.
  • the first connector 512 has an internal structure.
  • a cylindrical connector body having a hollow shape, positioned at the front of the connector body, and having a front flange protruding toward the center of the connector body, and being positioned at the rear of the connector body and having a rear flange protruding from the circumferential surface of the connector body. The case is shown as an example.
  • the rear flange may be fixed to the second housing body 511 through a bolt
  • the front flange may be fixed to the first housing body 211 or the first rear cover 215 through bolts.
  • the second stator 52 has a ring-shaped second stator body 521 fixed to the second housing body 511 and an inner circumferential surface of the second stator body 521.
  • a plurality of second bobbins 523 protruding toward the center of the second stator body 521 to form a second stator through hole 522, and a second coil 525 wound around each second bobbin 523. do.
  • the functions and structures of the second stator body 521, the second bobbin 523, and the second coil 525 are described above with respect to the first stator body 221, the first bobbin 223, and the first coil 225.
  • the second rotor body 541 is rotatably provided in the second stator through hole 522 to penetrate the second rotor body and the second rotor body.
  • the second rotor through hole 542 provided, the second ring gear 545 provided on the inner circumferential surface of the second rotor body formed by the second rotor through hole 542, the second rotor body 541 It includes a plurality of second magnetic force forming portion 547 provided along the outer circumferential surface of the.
  • a plurality of second slots 543 may be further provided on the circumferential surface of the second rotor body 541.
  • the structure and function of the second rotor body 541, the second rotor through hole 542, the second ring gear 545, the second magnetic force forming unit 547, and the second slot 543 are described above.
  • the same structure and function of the first rotor body 241, the first rotor through hole 242, the first ring gear 245, the first magnetic force forming unit 247, and the first slot 243 are described in detail. Omit.
  • the second conversion unit 56 includes a second axis 561, a second sun gear 562 rotating by the second axis, and a rotation force of the second sun gear.
  • the second planetary gear 563 and the second planetary gear 563 which are transmitted to the second ring gear 545 are rotatably fixed, and the second cage C2 which forms a concentric shaft with the second shaft 561. It includes.
  • one end of the second shaft 561 is connected to the first cage rotation shaft 269, and the other end is located inside the second rotor through hole 542.
  • One end of the second shaft 561 is inserted into a front cover through hole (not shown) provided in the second front cover 513 and exposed to the outside of the second housing 51.
  • the front cover through hole may be provided with a bearing for rotatably supporting the second shaft 561.
  • the second shaft 561 may be connected to the first cage rotation shaft 269 through the first coupler 561a.
  • the second cage C2 is rotatably provided in the second rotor through hole 542, and the second planetary gear 563 is rotatably fixed to the second cage C2.
  • the second cage C2 includes a second cage first body 564 and a second cage second body 565 which are provided at opposite ends of the second sun gear 562, respectively, and the second cage first.
  • the body 564 and the second cage second body 565 is connected, and includes a second planetary gear axis of rotation forming the rotation axis of the second planetary gear (563).
  • the second cage first body 564 is provided with a second cage first through hole 564a into which the second shaft 561 is inserted, and the second cage second body 565 has the second shaft.
  • a second cage rotation shaft 569 is provided to form a concentric shaft with the 561 so as to form a center of rotation of the second cage C2.
  • One end of the second cage rotation shaft 569 is fixed to the second cage second body 565, and the other end (free end) of the second cage rotation shaft 569 is provided on the second rear cover 515. It is exposed to the outside of the second housing 51 through the rear cover through hole (not shown).
  • a bearing for rotatably supporting the second cage rotation shaft 569 may be provided in the rear cover through hole.
  • the second planetary gear 563 may include a first gear 563a (a first gear in the second converter), a second gear 563b, a second gear in the second converter, and a third gear 563c and a second converter. 3 gears).
  • the second planetary gear axis of rotation forms a first gear axis of rotation 566 forming the axis of rotation of the first gear 563a, and a rotation axis of the second gear 563b.
  • the second gear axis of rotation (567, the second gear of the second gear rotation axis), the third gear axis of rotation (568, the second gear of the third conversion portion) forming the axis of rotation of the third gear (563c) can be provided. have.
  • the second power generation module 5 may further include a second braking part 57 which prevents the second rotor 54 from rotating.
  • the second braking part 57 is provided with the second braking part 57.
  • a case of preventing rotation of the second rotor 54 by supplying a current to the two coils 525 is illustrated. Since the method of braking the second rotor 54 by the second brake unit 57 is the same as the method of braking the first rotor 24 by the first brake unit 27, a detailed description thereof will be omitted.
  • Energy generated by the second power generation module 5 is stored in a second power storage unit (not shown), and the second power storage unit induces generation in the second coil 525 when the second rotor 54 is rotated. It may be provided in any form as long as the current can be stored.
  • the third power generation module 7 includes a third housing 71 forming an exterior, a third stator 72 fixed to the inside of the third housing, and an inside of the third housing. And a third rotor 74 which generates induced electromotive force in the third stator 72 and the second cage rotation shaft 569 to rotate the second cage rotation shaft 569 to rotate the third rotor 72. And a third conversion unit 76 for converting the rotational motion to 74. As shown in FIG.
  • the third housing 71 has a cylindrical third housing body 711 having an empty inside, and a third front cover 713 for closing an open front surface of the third housing body. ), And a third rear cover 715 for closing the open rear surface of the third housing body.
  • the third housing 71 is connected to the second housing 51 through the second connector 712. Since the second connector 712 may be provided in the same structure as the first connector 512, Detailed description will be omitted.
  • the third stator 72 has a ring-shaped third stator body 721 fixed to the third housing body 711 and an inner circumferential surface of the third stator body 721.
  • a plurality of third bobbins 723 protruding toward the center of the third stator body 721 to form a third stator through hole 722, and a third coil 725 wound around each third bobbin 723. do.
  • the functions and structures of the 32 stator body 721, the third bobbin 723, and the third coil 725 are described above with respect to the first stator body 221, the first bobbin 223, and the first coil 225. The same as the function and structure of the) bar, detailed description thereof will be omitted.
  • a third rotor body 741 having a cylindrical shape rotatably provided in the third rotor 74 and the third stator through hole 722 is formed so as to penetrate the third rotor body.
  • the third rotor through hole 742 is provided, the third ring gear 745 is provided on the inner circumferential surface of the third rotor body formed by the third rotor through hole 742, the third rotor body 741 It includes a plurality of third magnetic force forming portion 747 provided along the outer circumferential surface of).
  • a plurality of third slots 743 may be further provided on the circumferential surface of the third rotor body 741.
  • the structures and functions of the third rotor body 741, the third rotor through hole 742, the third ring gear 745, the third magnetic force forming unit 747, and the third slot 743 are described above.
  • the same structure and function of the first rotor body 241, the first rotor through hole 242, the first ring gear 245, the first magnetic force forming unit 247, and the first slot 243 are described in detail. Omit.
  • the third conversion unit 76 may include a third shaft 761, a third sun gear 762 rotated by the third axis, and a rotation force of the third sun gear.
  • the third planetary gear 763 and the third planetary gear 763 which are transmitted to the three ring gear 745 are rotatably fixed, and the third cage C3 which forms a concentric shaft with the third shaft 761. It includes.
  • one end of the third shaft 761 is connected to the second cage rotation shaft 569 through a second coupler 761a, and the other end is inside the third rotor through hole 742.
  • Located in One end of the third shaft 761 is inserted into a front cover through hole (not shown) provided in the third front cover 713 and exposed to the outside of the third housing 71.
  • the front cover through hole may be provided with a bearing for rotatably supporting the third shaft 761.
  • the third cage C3 is rotatably provided in the third rotor through hole 742, and the third planetary gear 763 is rotatably fixed to the third cage C3.
  • the third cage C3 may include a third cage first body 764, a third cage second body 765, and the third planetary gear disposed at opposite ends of the third sun gear 762. And a third planetary gear rotation shaft forming a rotation shaft of 763.
  • the third cage first body 764 is provided with a third cage first through hole 764a into which the third shaft 761 is inserted, and the third cage second body 765 has the third shaft.
  • a third cage rotation shaft 769 is provided to form a concentric shaft with the 761 and forms a center of rotation of the third cage C3.
  • the third cage rotation shaft 769 is exposed to the outside of the third housing 71 through a rear cover through hole (not shown) provided in the third rear cover 715.
  • a bearing for rotatably supporting the third cage rotation shaft 769 may be provided in the rear cover through hole.
  • the third planetary gear 763 includes a first gear 763a (a third gear in the third converter), a second gear 763b, a third gear in the second converter, and a third gear 763c and a third converter. 3 gears).
  • the third planetary gear axis of rotation forms a first gear axis of rotation 766 that forms the axis of rotation of the first gear 763a and a rotation axis of the second gear 763b. It may be provided as a second gear axis of rotation 767 (third conversion unit second gear axis of rotation), a third gear axis of rotation (768, third conversion unit third gear axis of rotation) forming a rotation axis of the third gear (763c). have.
  • the third power generation module 7 may further include a third braking unit 77 that prevents the third rotor 74 from rotating.
  • the third braking unit 77 may further include the third braking unit 77.
  • An example of preventing the rotation of the third rotor 74 by supplying a current to the three coils 725 is illustrated. Since the method of braking the third rotor 74 by the third brake unit 77 is the same as the method of braking the first rotor 24 by the first brake unit 27, a detailed description thereof will be omitted.
  • the energy generated by the third power generation module 7 is stored in the third power storage unit (not shown).
  • the generator 100 having the above-described structure generates power through the following process.
  • the first shaft 261 of the first power generation module rotates together with the input shaft 11.
  • the first shaft 261 will also rotate clockwise.
  • the input shaft 11 rotates clockwise.
  • the third shaft 761 will also rotate clockwise.
  • the controller 9 may stop the rotation of the third rotor 74 by supplying a current to the third coil 725 of the third stator through the third brake unit 77.
  • the above description relates to the state of the generator 100 when the first rotor and the second rotor are sequentially braked, but this also applies to the state of the generator when the third and second rotors are sequentially braked. .
  • the present invention when the input energy is large, all the power generation modules 2, 5, and 7 are operated. When the input energy is low, only some of the three power generation modules can be operated. That is, the present invention can adjust the number of operation of the power generation module in proportion to the size of the input energy, it is possible to stably generate power under the condition that the size of the input energy changes, it is possible to generate a high efficiency.
  • the present invention is a structure in which each of the power generation modules (2, 5, 7) is detachably coupled to each other, from the producer's point of view, it is possible to provide generators of various capacities with power generation modules (power generation modules of the same power generation capacity) of the same structure. There is.
  • FIG. 9 shows another embodiment of the generator of the present invention.
  • the present embodiment is distinguished from the embodiment shown in FIG. 6 in that each power generation module 2, 5, 7 has a first cage rotating shaft 269, The second cage rotation shaft 569 and the third cage rotation shaft 769 are not provided.
  • the input shaft 11 is coupled to one end of the first shaft 261 provided in the first power generation module, and the second shaft 561 of the second power generation module is connected to one end of the first shaft 261.
  • One end is connected to the other end of the first shaft 261 through the first coupler 561a, and one end of the third shaft 761 provided in the third power generation module is connected to the second shaft through the second coupler 761a. Is connected to the other end of 561.
  • the generator according to the present embodiment is characterized in that the input shaft, the first shaft, the second shaft, and the third shaft are directly connected to form one concentric shaft.
  • the first cage C1 has a first cage penetrating the first body 264 and a first cage penetrating the first body 264a and the first cage second body 265. It is provided to further include a second through hole (265a). In this case, the first shaft 261 will penetrate the first cage C1 by being inserted into the first cage first through hole 264a and the first cage second through hole 265a.
  • One end of the first shaft 261 passes through the first front cover 213 and is exposed to the outside of the first housing 21, and the other end of the first shaft 261 is the first rear cover 215. Through) is exposed to the outside of the first housing (21).
  • the second cage C2 has a second cage penetrating the first body 564 and a second cage penetrating the second body 565. It is provided to further include a second through hole (565a). In this case, the second shaft 561 will penetrate the second cage C2 by being inserted into the second cage first through hole 564a and the second cage second through hole 565a.
  • One end of the second shaft 561 passes through the second front cover 513 and is exposed to the outside of the second housing 51, and the other end of the second shaft 561 is the second rear cover 515. ) Is exposed to the outside of the second housing (51).
  • one end of the second shaft 561 is connected to the other end of the first shaft 261 through the first coupler 561a. Therefore, when the first shaft 261 rotates by the input unit 1, the second shaft 561 rotates together with the first shaft.
  • the third cage C3 has a third cage passing through the first body 764 and a third cage passing through the first body 764a and the third cage second body 765. It is provided to further include a second through hole (765a). In this case, the third shaft 761 will penetrate the third cage C3 by being inserted into the third cage first through hole 764a and the third cage second through hole 765a.
  • One end of the third shaft 761 passes through the third front cover 713 and is exposed to the outside of the third housing 71, and the other end of the third shaft 761 is the third rear cover 715. ) Is exposed to the outside of the third housing (71).
  • One end of the third shaft 761 is connected to the other end of the second shaft 561 through the second coupler 761a.
  • the third shaft 761 rotates together with the second shaft when the second shaft 561 rotates by the first shaft 261. Therefore, the first axis, the second axis, and the third axis also rotate together with the input shaft 11 in this embodiment.
  • the first shaft 261 is directly connected to the input shaft 11
  • the second shaft 561 is directly connected to the first shaft 261
  • the third shaft Since 761 is directly connected to the second shaft 561, energy loss occurs when the rotational force is transmitted from the first power generation module to the second power generation module, and occurs when the rotational force is transmitted from the second power generation module to the third power generation module. It is possible to minimize the energy loss.
  • the second power generation module 5 receives the rotational force of the input shaft 11 from the first cage rotation shaft 269
  • the third power generation module 7 includes the second cage rotation shaft ( 569 is provided to receive the rotational force of the input shaft (11).
  • the first cage rotation shaft 269 rotates together when the first planetary gear 263 rotates along the first ring gear 245 due to the rotation of the first sun gear 262.
  • the first shaft 261 Some of the rotational force of the input shaft 11 supplied to) is lost by the friction between the gears 262, 263, 245.
  • the control method of the generator of the present invention includes a sensing step S10 of sensing the amount of energy supplied to the input shaft 11, and a first amount of energy according to the amount of energy measured in the sensing step S10. And a power generation step (S30, S50, S60) for operating at least one of the power generation module 2, the second power generation module 5, and the third power generation module 7.
  • the sensing step S10 may be provided to detect the rotation speed of the input shaft 11.
  • the generator 100 should be further provided with a rotation speed detecting unit (not shown) for detecting the rotation speed of the input shaft (11).
  • the control method of the present invention determines whether the measured amount of energy is equal to or greater than a first predetermined reference value (S20), and In operation S40, it is determined whether the measured amount of energy is equal to or greater than a second predetermined reference value.
  • the first reference value and the second reference value should be defined as a specified rotational speed
  • the second reference value is the second reference value It should be set to a value greater than 1 reference value.
  • Step S40 may proceed sequentially.
  • the power generation step is any one of the first power generation module 2, the second power generation module 5, and the third power generation module 7. Proceed to step (S30) to operate only the module of.
  • the power generation step (S30) is the first brake unit 27 so that no current is supplied to the first coil (255) of the first power generation module.
  • the power generation step is the first power generation module 2, the second power generation module 5, and the third power generation In operation S50, only two modules of the module 7 are operated.
  • the power generation step (S50) may be performed so that no current is supplied to the first coil 255 of the first power generation module.
  • the power generation step includes the first power generation module 2, the second power generation module 5, and the third power generation module 7. Proceed to step (S60) to operate both.
  • the power generation step (S60) is such that the first brake unit 27 does not supply current to the first coil 255 of the first power generation module.
  • the control method of the present invention during the generation of the power generation steps (S30, S50, S60) proceeds to the step (S70) of determining whether or not a predetermined reference time has elapsed after the start of the power generation step. If it is determined that the reference time has not elapsed since the start of the power generation steps (S30, S50, S60), the present invention continues to maintain the power generation stage in progress. However, if it is determined that the reference time has elapsed after the start of the power generation steps S30, S50 and S60, the present invention proceeds to the second detection step S80.
  • Measuring the amount of energy supplied to the input shaft 11 at a reference time period is to maximize the efficiency of the generator 100 by operating the generator based on the amount of energy input to the generator.
  • the second sensing step S80 may be performed by measuring the rotation speed of the input shaft 11, and the sum of the electromotive force generated in each of the coils 225, 525, and 725, or each coil 225. 525, 725 may proceed by measuring the sum of the induced currents generated.
  • the control method of the present invention repeats the above-described power generation steps S30, S50, and S60 based on the measured energy amounts (S20 and S40). .
  • Sensing step (S10) provided in the control method of the present invention is the first coil 24, while the first rotor 24, the second rotor 54, and the third rotor 74 provided in each power generation module rotates.
  • the second coil 525 and the third coil 725 may be provided by measuring a sum of electromotive force or a sum of induced currents.
  • control method of the present invention may prevent the current from being supplied to each of the first coil 225, the second coil 525, and the third coil 725 before the detection step S10 is started.
  • the first rotor 24, the second rotor 54, and the third rotor 74 are controlled by controlling the braking unit 27, the second braking unit 57, and the third braking unit 77. ), All the steps must be rotated.
  • the above-described generator 100 is composed of three power generation modules (2, 5, 7), the control method of the above-described generator is to describe the case of controlling a generator having three power generation modules, the present invention generator It may be provided with only two power generation modules, or may be provided with four or more power generation modules.
  • the control method of the present invention includes the sensing step S10 of sensing the amount of energy supplied to the input shaft 11, and the amount of energy measured in the sensing step.
  • the first braking unit 27 and the second braking unit 57 may be controlled to rotate at least one of the first rotor 24 and the second rotor 54.
  • the power generation step if only one of the first rotor and the second rotor is rotated when the amount of energy measured in the sensing step is less than a first reference value, the amount of energy measured in the sensing step is determined. If more than one reference value, both the first rotor and the second rotor will be rotated.
  • the power generation step may include rotating the first rotor by controlling the first brake unit so that no current is supplied to the first coil, And controlling the second braking unit so that a current is supplied to the second coil, thereby braking the second rotor.
  • the power generation step may include rotating the first rotor by controlling the first brake unit so that no current is supplied to the first coil, And controlling the second braking unit so that the current is not supplied to the second coil, thereby enabling the second rotor to rotate.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un générateur et un procédé de commande de générateur, le générateur comprenant : un arbre d'entrée entraîné en rotation par une force externe ; un premier module de génération comprenant un premier rotor, qui comprend une première unité de formation de force magnétique fixe comprenant un aimant permanent ou un électroaimant, un premier stator, qui comprend une première bobine pour générer un courant induit lorsque le premier rotor tourne, et une première unité de conversion, qui convertit le mouvement rotatif de l'arbre d'entrée en mouvement rotatif du premier rotor ; un deuxième module de génération comprenant un deuxième rotor, qui comprend une deuxième unité de formation de force magnétique fixe comprenant un aimant permanent ou un électroaimant, un deuxième stator, qui comprend une deuxième bobine pour générer un courant induit lorsque le deuxième rotor tourne, et une deuxième unité de conversion, qui convertit le mouvement rotatif de la première unité de conversion en mouvement rotatif du deuxième rotor ; et un troisième module de génération comprenant un troisième rotor, qui comporte une troisième unité de formation de force magnétique fixe comprenant un aimant permanent ou un électroaimant, un troisième stator, qui comprend une troisième bobine pour générer un courant induit lorsque le troisième rotor tourne, et une troisième unité de conversion, qui convertit le mouvement rotatif de la deuxième unité de conversion en mouvement rotatif du troisième rotor.
PCT/KR2018/006863 2018-06-18 2018-06-18 Générateur et procédé de commande de générateur WO2019245064A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020180069830A KR101920889B1 (ko) 2018-06-18 2018-06-18 발전기 및 발전기의 제어방법
KR10-2018-0069831 2018-06-18
KR1020180069831A KR101920890B1 (ko) 2018-06-18 2018-06-18 발전기 및 발전기의 제어방법
KR10-2018-0069830 2018-06-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006340408A (ja) * 2005-05-31 2006-12-14 Kiyoyuki Hosoda 発電装置
KR101253474B1 (ko) * 2012-09-26 2013-04-10 유동식 다단 모터
JP2013106392A (ja) * 2011-11-11 2013-05-30 Taketsune Nakamura 発電機
KR101643989B1 (ko) * 2016-02-12 2016-07-29 (주)성우테크 2단 출력형 발전기
KR101694099B1 (ko) * 2016-05-24 2017-01-06 김수호 복합 발전기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006340408A (ja) * 2005-05-31 2006-12-14 Kiyoyuki Hosoda 発電装置
JP2013106392A (ja) * 2011-11-11 2013-05-30 Taketsune Nakamura 発電機
KR101253474B1 (ko) * 2012-09-26 2013-04-10 유동식 다단 모터
KR101643989B1 (ko) * 2016-02-12 2016-07-29 (주)성우테크 2단 출력형 발전기
KR101694099B1 (ko) * 2016-05-24 2017-01-06 김수호 복합 발전기

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