WO2023179065A1 - Dispositif de stockage d'énergie à noyau mécanique - Google Patents

Dispositif de stockage d'énergie à noyau mécanique Download PDF

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Publication number
WO2023179065A1
WO2023179065A1 PCT/CN2022/133637 CN2022133637W WO2023179065A1 WO 2023179065 A1 WO2023179065 A1 WO 2023179065A1 CN 2022133637 W CN2022133637 W CN 2022133637W WO 2023179065 A1 WO2023179065 A1 WO 2023179065A1
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Prior art keywords
energy storage
winding spool
elastic
wire wheel
gear
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PCT/CN2022/133637
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English (en)
Chinese (zh)
Inventor
王万强
王雄飞
Original Assignee
王万强
王雄飞
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Filing date
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Application filed by 王万强, 王雄飞 filed Critical 王万强
Publication of WO2023179065A1 publication Critical patent/WO2023179065A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G1/00—Spring motors
    • F03G1/06—Other parts or details
    • F03G1/08—Other parts or details for winding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G1/00—Spring motors
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • Embodiments of the present invention relate to the technical field of energy storage devices, and in particular, to a mechanical core energy storage device.
  • batteries are commonly used in various industries and scenarios, such as mobile electronic equipment, vehicles, ships, aircraft, factories, office buildings, etc. Entering the new energy era, batteries will be indispensable. Batteries with excellent performance, low cost, and environmental protection after production and disposal will be the direction of technological development. Current batteries are mainly chemical battery cells, such as lithium batteries, nickel-cadmium batteries, zinc-nickel batteries and other ion batteries, as well as hydrogen energy batteries. However, the cost of chemical battery cells is high, there are high safety risks during use, and the pollution after damage or scrapping is high, and their use is limited in some application scenarios that require high chemicals and safety.
  • embodiments of the present invention provide a mechanical core energy storage device with a simple structure, high energy storage density, and stable energy output.
  • a mechanical core energy storage device including:
  • An energy storage mechanism includes a first winding spool group, a second winding spool group and an elastic thread capable of elastic stretching and contraction.
  • the two ends of the elastic thread are respectively connected to the first winding spool group and the A second winding spool group is connected to and wound on the first winding spool group and/or the second winding spool group;
  • An input mechanism which includes a first driving device that is drivingly connected to the first winding spool group and used to convert electrical energy into rotational energy to drive the first winding spool group to rotate;
  • An output mechanism includes a power generation device and a clutch mechanism.
  • the power generation device is connected to the first winding spool group through the clutch mechanism.
  • the clutch mechanism is used to drively connect the power generation device and the first winding spool. The spool group, or cutting off the connection between the power generation device and the first winding spool group;
  • the first driving device drives the first winding spool group to wind the elastic thread, the second winding spool group releases the elastic thread, and the first winding spool group
  • the winding speed is greater than the pay-off speed of the second winding spool group to tighten the elastic line and convert the rotational energy into elastic potential energy for storage;
  • the first winding spool group is drivingly connected to the power generation device through the clutch mechanism, and the elastic wire contracts and drives the first winding spool group to rotate to drive the power generation device.
  • the second winding bobbin group winds the elastic thread in a relaxed state.
  • the first winding spool set includes a first wire wheel for winding or releasing the elastic wire in a tensioned state, and a locking mechanism.
  • the first wire wheel is locked to limit the rotation of the first wire wheel.
  • the second set of winding spools includes:
  • a second driving device which is drivingly connected to the second wire wheel and used to drive the second wire wheel to rotate to wind the elastic wire in a relaxed state
  • a limiting mechanism is connected to the second wire wheel, and the limiting mechanism is configured to allow the second wire wheel to rotate and release the elastic wire when the torque generated by the second wire wheel is greater than the first torque. When the torque generated by the second wire wheel is less than the first torque, the rotation of the second wire wheel is restricted.
  • the limiting mechanism includes a first gear and an elastic arm, the first gear is drivingly connected to the second wire wheel, and one end of the elastic arm extends into the tooth groove of the first gear;
  • the elastic arm is configured to deform and come out of the tooth groove of the first gear when the torque generated by the first gear is greater than the second torque to allow the first gear and the second wire wheel to rotate. : When the torque generated by the first gear is not greater than the second torque, the first gear is blocked to limit the rotation of the second wire wheel.
  • the elastic arm is configured to be able to rotate around a rotation center at its other end, and a first stop component and a second stop component are respectively provided on the rotation path of the elastic arm;
  • the first stop component is located in one rotation direction of the elastic arm and is used to limit the rotation angle of the elastic arm in the rotation direction to release the elastic wire in the second wire wheel and drive the When the first gear rotates, the elastic arm is restricted from rotating out of the tooth slot of the first gear;
  • the second stop component is located in another rotation direction of the elastic arm and is used to limit the rotation angle of the elastic arm in the other rotation direction to wind the elastic wire on the second wire wheel.
  • the output mechanism further includes a transformer circuit, which is connected to the power generation device and used to adjust the power parameters of the electric energy output by the power generation device.
  • the transformer circuit is connected to the second driving device to provide power to the second driving device.
  • the clutch mechanism includes a first rotary member, a second rotary member and a moving mechanism, the first rotary member and the second rotary member are coaxially arranged, and the first rotary member and the second rotary member are coaxially arranged.
  • the first winding spool group is drivingly connected
  • the second rotating part is drivingly connected to the power generation device
  • the opposite end surfaces of the first rotating part and the second rotating part are respectively provided with first first rotating parts that can engage with each other.
  • the clamping structure, the moving mechanism is used to drive the first rotating member or the second rotating member to move in the axial direction, so that the first rotating member communicates with the second rotating member through the first clamping structure.
  • the rotating part is engaged, or the first rotating part and the second rotating part are disconnected.
  • the power generation device includes a first gear set, a flywheel and a generator.
  • the first gear set is connected to the clutch mechanism and the flywheel respectively.
  • the first gear set can pass through the clutch.
  • the mechanism is drivingly connected to the first winding spool group, and the flywheel is drivingly connected to the generator; or
  • the power generation device includes a first gear set, a flywheel, a second gear set and a generator.
  • the first gear set is connected to the clutch mechanism and the flywheel respectively.
  • the first gear set can pass through the clutch mechanism.
  • the flywheel is drivingly connected to the first winding spool set, the flywheel is drivingly connected to the second gear set, and the second gear set is drivingly connected to the generator.
  • the mechanical core energy storage device includes a plurality of the energy storage mechanisms, and the plurality of energy storage mechanisms are connected to the first driving device, and are connected to the power generation mechanism through the clutch mechanism.
  • the mechanical core energy storage device includes a plurality of energy storage mechanisms, the input mechanism includes a plurality of first driving devices, the output mechanism includes a plurality of clutch mechanisms, the energy storage mechanism, the first driving device Corresponding to the clutch mechanism, the energy storage mechanism is connected to the corresponding first driving device, and the energy storage mechanism is connected to the power generation device through the corresponding clutch mechanism to enable synchronization. Or drive the power generation device to generate electricity respectively.
  • the mechanical core energy storage device of the embodiment of the present invention can convert electrical energy into rotational energy through the input mechanism, and the energy storage mechanism can convert the rotational energy into the elastic potential energy of the elastic thread and store it.
  • the first winding bobbin group and the second winding bobbin group The length of the elastic thread that can be wound by the spool group is usually longer, and the elastic thread usually has a larger stretch ratio, so the energy storage mechanism has a larger energy storage and a higher energy storage density; during the energy release process In the process, the second winding spool group gradually winds the elastic thread in a relaxed state and the first winding spool group gradually releases the elastic thread in a tensioned state.
  • the elastic thread shrinks and drives the first winding spool group to rotate, thereby driving power generation.
  • Mechanical power generation can drive the power generation device to generate power continuously and stably within a certain time range, and the output power is stable.
  • Figure 1 is a schematic structural diagram of a first embodiment of a mechanical core energy storage device according to an embodiment of the present invention
  • Figure 2 is a partial structural diagram of the energy storage device
  • Figure 3 is a schematic structural diagram of the restriction mechanism
  • Figure 4 is a schematic structural diagram of the clutch mechanism
  • Figure 5 is a schematic structural diagram of the second rotary member
  • Figure 6 is a schematic structural diagram of the second embodiment of the mechanical core energy storage device according to the embodiment of the present invention.
  • 100-energy storage mechanism 101-first winding spool group; 102-first wire wheel; 103-locking mechanism; 104-first motor; 105-telescopic rod; 106-sensor; 107-pressure plate; 108-th Two winding spool groups; 109-second wire wheel; 110-second driving device; 111-limiting mechanism; 112-first gear; 113-elastic arm; 114-roller; 115-first stop member; 116-th Two stop parts; 117-elastic line; 118-first identification part;
  • 300-Output mechanism 301-Generating device; 302-Second gear set; 303-Flywheel; 304-Third gear set; 305-Generator; 306-Clutch mechanism; 307-First rotating part; 308-Second rotation 309-moving mechanism; 310-third motor; 311-screw; 312-nut; 313-first clamping structure; 314-transformation circuit; 315-second controller; 316-output interface.
  • an embodiment of the present invention provides a mechanical core energy storage device, which includes an energy storage mechanism 100 , an input mechanism 200 and an output mechanism 300 .
  • the energy storage mechanism 100 includes a first winding spool group 101, a second winding spool group 108, and an elastic wire 117 that can be elastically stretched and contracted. Both ends of the elastic wire 117 are respectively connected to the first winding spool group.
  • 101 is connected to the second winding bobbin group 108 and wound on the first winding bobbin group 101 and/or the second winding bobbin group 108 .
  • the first winding bobbin group 101 is used to wind or release the elastic wire 117 in a tensioned state
  • the second winding bobbin group 108 is used to wind or release the elastic wire 117 in a relaxed state.
  • the first winding bobbin group 101 When one of the second winding bobbin groups 108 winds the elastic wire 117, the other one releases the elastic wire 117, by configuring the winding speed and the unwinding speed of the first winding bobbin group 101 and the second winding bobbin group 108. , can realize the purpose of tensioning the elastic wire 117 to store energy or contracting the elastic wire 117 to release energy.
  • the winding speed of the first winding bobbin group 101 during energy storage can be N times the unwinding speed of the second winding bobbin group 108 .
  • one elastic thread 117 may be provided between the first winding spool group 101 and the second winding spool group 108, or multiple elastic threads 117 may be arranged in parallel.
  • the input mechanism 200 includes a first driving device 201 , which is drivingly connected to the first winding spool group 101 and used to convert electrical energy into rotational energy to drive the first winding spool group 101 to rotate.
  • the first driving device 201 may include a first motor 104 .
  • the input mechanism 200 may also include a first controller 202 and a charging interface 203.
  • the first controller 202 is connected to the first motor 104 and the charging interface 203 respectively.
  • the charging interface 203 may be used to connect to the mains power supply through a power cord. Connected, the first controller 202 is used to receive electric energy and control the operation of the first motor 104.
  • the first controller 202 can also be used to convert electric parameters of the electric energy, such as voltage, current, DC to AC conversion, and so on.
  • the output mechanism 300 includes a power generation device 301 and a clutch mechanism 306.
  • the power generation device 301 is connected to the first winding spool group 101 through the clutch mechanism 306.
  • the clutch mechanism 306 is used to drively connect the power generation device 301 and the clutch mechanism 306.
  • the first winding spool group 101 may cut off the connection between the power generation device 301 and the first winding spool group 101 .
  • the clutch mechanism 306 can cut off the connection between the power generation device 301 and the first wire wheel 102, and store energy for the energy storage mechanism 100 through the input mechanism 200.
  • the clutch mechanism 306 can drive the connection.
  • the power generation device 301 and the first winding spool group 101 enable the first winding spool group 101 to drive the power generation device 301 to operate, convert elastic potential energy into electrical energy, and supply power to the load.
  • the first driving device 201 drives the first winding spool group 101 to wind the elastic wire 117, the second winding spool group 108 releases the elastic wire 117, and the third winding spool group 108 releases the elastic wire 117.
  • the winding speed of the first winding spool group 101 is greater than the unwinding speed of the second winding spool group 108 to tighten the elastic wire 117 and convert the rotational energy into elastic potential energy for storage;
  • the first winding spool group 101 is drivingly connected to the power generation device 301 through the clutch mechanism 306, and the elastic wire 117 contracts and drives the first winding spool group 101 to rotate, so as to
  • the power generation device 301 is driven to generate electricity and output electric energy, and the second winding bobbin group 108 winds the elastic wire 117 in a relaxed state.
  • the mechanical core energy storage device of the embodiment of the present invention can convert electrical energy into rotational energy through the input mechanism 200.
  • the energy storage mechanism 100 can convert the rotational energy into elastic potential energy of the elastic wire 117 and store it.
  • the first winding bobbin group 101 and The length of the elastic thread 117 that can be wound by the second winding bobbin group 108 is usually longer, and the elastic thread 117 usually has a larger draw ratio, so the energy storage mechanism 100 has a larger storage energy and has a higher Energy storage density; during the energy release process, the elastic thread 117 in the relaxed state is gradually wound by the second winding spool group 108 and the elastic thread 117 in the tensioned state is gradually released by the first winding spool group 101.
  • the power generation device 301 can be driven to generate power continuously and stably within a certain time range, and the output power is stable.
  • the first winding spool group 101 includes a first wire wheel 102 and a locking mechanism 103 .
  • the first wire wheel 102 is used to wind the tensioned wire.
  • Elastic wire 117, the locking mechanism 103 is used to lock the first wire wheel 102 to limit the rotation of the first wire wheel 102.
  • basically the entire elastic wire 117 is wound around the first wire wheel 102.
  • the first wire wheel 102 can be locked by the locking mechanism 103 to prevent the first wire wheel 102 from being released in an uncontrolled manner.
  • Elastic potential energy is also be locked through the locking mechanism 103 to prevent the elastic potential energy from being released.
  • the elastic wire 117 can be provided with a first identification portion 118 near one end thereof connected to the second winding spool group 108.
  • the locking mechanism 103 can include a first motor 104, a telescopic rod 105 and a sensor 106.
  • the sensor 106 is provided adjacent to the second winding spool group 108 for sending a signal to the first motor 104 after detecting that the line segment where the first identification portion 118 is located is released from the second winding spool group 108.
  • the telescopic rod 105 It is arranged at a position adjacent to the rim of the first wire wheel 102. One end of the telescopic rod 105 is facing the rim of the first wire wheel 102.
  • the first motor 104 is drivingly connected to the telescopic rod 105.
  • the telescopic rod 105 is controlled to extend toward the rim of the first wire wheel 102 and press against the rim of the first wire wheel 102 to lock the first wire wheel 102 and limit the rotation of the first wire wheel 102 .
  • the end of the telescopic rod 105 opposite to the first wire wheel 102 can be provided with a pressure plate 107.
  • the telescopic rod 105 can press the rim of the first wire wheel 102 through the pressure plate 107.
  • the shape of the pressure plate 107 can be the same as that of the first wire wheel 102.
  • the shape of the rim of the first wire wheel 102 corresponds to the shape, and the surface of the pressing plate 107 that is in contact with the rim of the first wire wheel 102 may also be provided with friction patterns, for example.
  • the first identification part 118 can be identification lines of different colors, and the sensor 106 can be, for example, an image acquisition device. When the image acquisition device recognizes that the identification line is released by the second wire wheel 109, it sends a signal to the first motor 104. Send a signal.
  • the first identification portion 118 can also be, for example, a magnetic body or a bump, and accordingly, the sensor 106 can be, for example, a Hall sensor 106 or a micro switch.
  • the above-mentioned locking mechanism 103 is only an exemplary implementation.
  • the locking mechanism 103 may also be locked by, for example, engaging with the first wire pulley 102 or locking the first wire pulley 102 .
  • the purpose of the first line wheel 102 is only an exemplary implementation.
  • the second winding spool group 108 may include a second wire wheel 109 , a second driving device 110 and a limiting mechanism 111 .
  • the second wire wheel 109 is used for winding or releasing slack.
  • the second driving device 110 may include, for example, a second motor, which may be drivingly connected to the second wire wheel 109 for driving the second wire wheel 109 to rotate so that the winding is in a relaxed state.
  • the elastic wire 117 in the state; the limiting mechanism 111 is connected to the second wire wheel 109, and the limiting mechanism 111 is configured to allow the second wire wheel when the torsion generated by the second wire wheel 109 is greater than the first torsion.
  • 109 rotates and releases the elastic wire 117, and when the torsion generated by the second wire wheel 109 is less than the first torsion, the rotation of the second wire wheel 109 is restricted.
  • the first winding spool group 101 winds the elastic thread 117, and the elastic thread 117 gradually stretches from a relaxed state to a tensioned state.
  • the tensile force exerted by the elastic thread 117 on the second reel 109 gradually increases.
  • the torque generated by the second wire wheel 109 also gradually increases.
  • the torque generated by the second wire wheel 109 is less than the first torque, it indicates that the elastic wire 117 has not been fully stretched to the tensioned state, and the rotation of the second wire wheel 109 is restricted by the limiting mechanism 111.
  • the first winding spool group 101 continues to stretch the elastic thread 117 to store energy.
  • the torsion generated by the second wire wheel 109 is greater than the first torsion, it indicates that the elastic thread 117 has been stretched to a tensioned state, and may be exceeded if continued stretching
  • the endurance limit of the elastic wire 117 releases the restriction of the second wire wheel 109 by the restriction mechanism 111, allowing the second wire wheel 109 to rotate and releasing the elastic wire 117. Afterwards, the pulling force exerted by the elastic wire 117 on the second wire wheel 109 decreases, and the limiting mechanism 111 may restrict the rotation of the second wire wheel 109 again.
  • the winding speed of the first winding spool group 101 can be greater than the unwinding speed of the second winding spool group 108, and the elastic thread 117 can be stretched, thereby achieving the first winding spool group 101.
  • the rotational energy is converted into the elastic potential energy of the elastic line 117 for the purpose of storage.
  • the sizes of the first wire wheel 102 and the second wire wheel 109 can be the same or different, and the axes of the first wire wheel 102 and the second wire wheel 109 can be arranged parallel to each other.
  • the first wire wheel 102 and the second wire wheel 109 can be arranged parallel to each other.
  • the axes of the second wire wheels 109 may also be non-parallel to each other.
  • the limiting mechanism 111 includes a first gear 112 and an elastic arm 113 .
  • the first gear 112 is drivingly connected to the second wire wheel 109 .
  • One end of the elastic arm 113 Extending into the tooth groove of the first gear 112; the elastic arm 113 is configured to: deform when the torsion generated by the first gear 112 is greater than the second torsion and from the tooth groove of the first gear 112. disengage to allow the first gear 112 and the second wire wheel 109 to rotate; when the torque generated by the first gear 112 is less than or equal to the second torque, the first gear 112 is blocked to limit the The second wire wheel 109 rotates.
  • the first gear 112 can be arranged coaxially with the second wire wheel 109, the elastic arm 113 can be arranged along the radial direction of the first gear 112, and one end of the elastic arm 113 can extend into the wheel groove of the first gear 112,
  • the other end of the elastic arm 113 can be fixed on, for example, the machine body or the bracket, and the other end of the elastic arm 113 can also be rotatably connected to the machine body or the bracket.
  • the torque generated by the second wire wheel 109 gradually increases, and the torque generated by the first gear 112 connected thereto also gradually increases, and the first gear 112 applies to the elastic arm
  • the pushing force of one end of the elastic arm 113 gradually increases, and the deformation amount of the elastic arm 113 gradually increases, until the other end of the elastic arm 113 comes out of the tooth groove of the first gear 112 due to the excessive deformation amount, and the pressure on the first gear 112 and the first gear 112 is released.
  • the second wire wheel 109 is restricted, and the second wire wheel 109 starts to pay off the wire.
  • the elastic arm 113 When the first gear 112 rotates through a certain angle, the elastic arm 113 resets, and one end thereof re-extends into the wheel groove of the first gear 112 .
  • the elastic arm 113 can be a spring piece, and a roller 114 can be provided at one end of the elastic arm 113 to facilitate the sliding of one end of the elastic arm 113 from the wheel groove of the first gear 112 to avoid the elastic arm 113 and the second gear 112.
  • a gear 112 blocks each other and reduces friction.
  • the elastic arm 113 is configured to be able to rotate around a rotation center at its other end, and a first stopper component 115 and a second stopper component 116 are respectively provided on the rotation path of the elastic arm 113;
  • the first stop component 115 is located in one rotation direction of the elastic arm 113 and is used to limit the rotation angle of the elastic arm 113 in the rotation direction to release the elastic wire at the second wire wheel 109 117 and drives the first gear 112 to rotate, restricting the elastic arm 113 from rotating out of the tooth slot of the first gear 112;
  • the second stop member 116 is located at the other rotation of the elastic arm 113 direction, used to limit the rotation angle of the elastic arm 113 in the other rotation direction, so as to allow the second wire wheel 109 to wrap the elastic wire 117 and drive the first gear 112 to rotate.
  • the elastic arm 113 rotates out from the tooth groove of the first gear 112 .
  • the first stop member 115 can restrict the elastic arm 113 from rotating in one rotation direction, so that the elastic arm 113 can limit the rotation speed of the second wire wheel 109 and achieve the purpose of stretching the elastic wire 117 for energy storage.
  • the second stop member 116 allows the elastic arm 113 to rotate in the other rotation direction within a certain rotation angle range, thereby avoiding restricting the rotation of the second wire wheel 109 and at the same time preventing the elastic arm 113 from excessively rotating away from the first gear. 112.
  • the wire releasing speed of the second wire wheel 109 can also be limited by means such as damping or torque detection to achieve tensioning of the elastic wire 117 for the purpose of energy storage.
  • the output mechanism 300 further includes a transformer circuit 314, which is connected to the power generation device 301 and used to adjust the power parameters of the electric energy output by the power generation device 301.
  • the transformer circuit 314 can be used to transform, stabilize, rectify, convert DC to AC, etc. the electric energy output by the power generation device 301 .
  • the transformer circuit 314 is connected to the second driving device 110 to provide power to the second driving device 110 .
  • the output mechanism 300 may also include a second controller 315 and an output interface 316.
  • the transformer circuit 314 may be connected to the second driving device 110 through the second controller 315.
  • the second controller 315 may also be connected to the output interface. 316 is connected, the output interface 316 is used to connect with the load, and the second controller 315 is used to control the power output.
  • the clutch mechanism 306 includes a first rotary member 307 , a second rotary member 308 and a moving mechanism 309 .
  • the first rotating member 307 and the second rotating member 308 are coaxially arranged, the first rotating member 307 is drivingly connected to the first winding spool group 101, and the second rotating member 308 is connected to the power generation unit.
  • the device 301 is connected by transmission.
  • the opposite end surfaces of the first rotary member 307 and the second rotary member 308 are respectively provided with first snap-in structures 313 that can engage with each other.
  • the moving mechanism 309 is used to drive the third rotary member 307 and the second rotary member 308.
  • a rotary member 307 or the second rotary member 308 moves in the axial direction, so that the first rotary member 307 engages with the second rotary member 308 through the first snap-in structure 313, or the first The rotating part 307 and the second rotating part 308 are disconnected.
  • the first rotary member 307 or the second rotary member 308 can be driven to move in the axial direction through the moving mechanism 309, and the first rotary member 307 and the second rotary member 308 are disconnected. , to prevent the first winding spool group 101 from synchronously releasing energy during the energy storage process.
  • the first rotary member 307 or the second rotary member 308 can be driven to move in the axial direction through the moving mechanism 309, so that the first rotary member 307 and the second rotary member 308 engage with each other through the first snap-in structure 313. , in this way, the first winding spool group 101 can drive the power generation device 301 to operate to convert elastic potential energy into electrical energy.
  • the moving mechanism 309 may include, for example, a third motor 310 and a screw rod 311.
  • a nut 312 may be provided on the first rotary member 307 or the second rotary member 308.
  • the screw rod 311 is threadedly connected to the nut 312.
  • the motor 310 is drivingly connected to the screw rod 311.
  • the first clamping structure 313 may include a clamping block protruding on the end surface of the second rotating member 308 and a clamping groove provided on the end surface of the first rotating member 307 .
  • a nut 312 can be provided on the outer ring of the ball bearing, and a clamping block can be provided on the inner ring of the ball bearing, as shown in Figure 5 .
  • clutch mechanism 306 can be implemented using a variety of clutch structures, and is not limited to the specific structure in the above example.
  • the power generation device 301 includes a second gear set 302 , a flywheel 303 , a third gear set 304 and a generator 305 , and the first winding spool set 101 can pass through the
  • the clutch mechanism 306 is drivingly connected to the second gear set 302
  • the second gear set 302 is drivingly connected to the third gear set 304 through the flywheel 303
  • the third gear set 304 is connected to the generator 305 Transmission connection.
  • the flywheel 303 can store inertial potential energy to ensure the smooth operation of the generator 305, thereby ensuring stable output power of the generator 305.
  • one set of gear sets or multiple sets of gear sets can be selected according to actual needs.
  • only the second gear set 302 can be set, or on the basis of setting the second gear set 302 and the third gear set 304, Other gear sets can also be configured.
  • the mechanical core energy storage device includes multiple energy storage mechanisms 100 , and the multiple energy storage mechanisms 100 are all connected to the first driving device 201 , and are all connected to the first driving device 201 .
  • the clutch mechanism 306 is connected to the power generation device 301 to enable synchronous energy storage and energy release. In this way, the energy storage capacity and power of the mechanical core energy storage device can be improved.
  • the mechanical core energy storage device includes multiple energy storage mechanisms 100
  • the input mechanism 200 includes multiple first driving devices 201
  • the output mechanism 300 includes multiple first driving devices 201 .
  • the energy storage mechanism 100, the first driving device 201 and the clutch mechanism 306 correspond one to one.
  • the energy storage mechanism 100 is connected to the corresponding first driving device 201, and the energy storage mechanism 100 is connected to the corresponding first driving device 201.
  • the energy storage mechanism 100 is connected to the power generation device 301 through the corresponding clutch mechanism 306, so that the power generation device 301 can be driven synchronously or separately to generate electricity.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

Dispositif de stockage d'énergie à noyau mécanique, comprenant un mécanisme de stockage d'énergie (100), un mécanisme d'entrée (200) et un mécanisme de sortie (300) ; le mécanisme de stockage d'énergie comprend un premier ensemble bobine d'enroulement (101), un second ensemble bobine d'enroulement (108), et une ligne élastique étirable et rétractable élastiquement (117) ; la ligne élastique comprend deux extrémités respectivement reliées au premier ensemble bobine d'enroulement et au second ensemble bobine d'enroulement et enroulées autour du premier ensemble bobine d'enroulement et/ou du second ensemble bobine d'enroulement ; le mécanisme d'entrée comprend un premier dispositif d'entraînement (201), qui est en liaison de transmission avec le premier ensemble bobine d'enroulement pour convertir l'énergie électrique en énergie de rotation pour entraîner le premier ensemble bobine d'enroulement en rotation ; le mécanisme de sortie comprend un dispositif de production d'énergie (301) et un mécanisme de connexion et de déconnexion (306) ; le dispositif de production d'énergie est connecté au premier ensemble bobine d'enroulement au moyen du mécanisme de connexion et de déconnexion ; et le mécanisme de connexion et de déconnexion est utilisé pour la connexion de transmission entre le dispositif de production d'énergie et le premier ensemble bobine d'enroulement ou la déconnexion entre le dispositif de production d'énergie et le premier ensemble bobine d'enroulement. Le dispositif de stockage d'énergie à noyau mécanique présente une structure simple, une densité de stockage d'énergie élevée et une sortie d'énergie stable.
PCT/CN2022/133637 2022-03-21 2022-11-23 Dispositif de stockage d'énergie à noyau mécanique WO2023179065A1 (fr)

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CN114593027A (zh) * 2022-03-21 2022-06-07 王万强 机械芯储能装置

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CN114658587A (zh) * 2022-03-21 2022-06-24 王万强 海洋水能发电装置

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DE3736926A1 (de) * 1987-10-30 1989-05-11 Niehoff Kg Maschf Wickelspeicher fuer langgestrecktes wickelgut
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CN114658587A (zh) * 2022-03-21 2022-06-24 王万强 海洋水能发电装置

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