1222results about "Motors" patented technology

The invention provides a gravity energy storage device with a function of uninterruptible loading and unloading of weight blocks, the gravity energy storage device comprises a transportation module and a loading and unloading module, the transportation module comprises a rotating wheel part, a chain part and a bearing mechanism, the bearing mechanism is arranged on the chain part, the rotating wheel part is arranged at the end part of the transportation module, and the chain part moves around the rotating wheel part; the loading and unloading module comprises a conveying channel, a supporting mechanism and a weight block body, the supporting mechanism is arranged on the conveying channel, the weight block body is arranged on the supporting mechanism through driving of the conveying channel, and the supporting mechanism and the bearing mechanism can be coupled or decoupled to drive the weight block body to be separated from or connected with the supporting mechanism. According to the gravity energy storage device with the function of uninterruptible loading and unloading of the weight block, stable and continuous electric energy can be generated during power generation and energy storage under the condition that the device is uninterruptible when the weight block body is loaded and unloaded and the transportation module generates power, and under the condition that equipment does not need to be added, the power generation power and the operation efficiency are improved, and the cost is reduced.

The invention discloses a slope type gravity energy storage system based on a multi-vehicle circulating chain and an energy storage and power generation method. The system comprises an upper storage yard, a lower storage yard and a mountain slope located between the upper storage yard and the lower storage yard, an annular conveying track is arranged on the surface of the mountain slope, the upper end of the annular conveying track extends to the upper storage yard, and the lower end of the annular conveying track extends to the lower storage yard; symmetrically-arranged conveying belts are arranged on the two sides of the annular conveying track located on the upper storage yard and the lower storage yard respectively, and a lifting platform is connected to the outer side of each conveying belt; a crane is arranged near the conveying belt; an annular conveying chain is arranged between the double annular conveying track rails, and a moving trolley used for loading heavy objects is connected to the annular conveying chain. The annular conveying chain is further connected with a motor generator set. The multiple moving trolleys are connected in series to circularly transport the heavy objects, the moving trolleys do not need to change the running state, the heavy objects can be transported between the mountain bottom and the mountain top, and the transport efficiency is improved.

The invention belongs to the technical field of energy storage, and particularly relates to a vertical circulation type single-well gravity energy storage system based on a linear motor, the vertical circulation type single-well gravity energy storage system comprises a weight storage system, an energy storage unit, a transportation system and a power system, and the weight storage system comprises an upper-layer energy storage chamber and a lower-layer energy storage chamber which are arranged up and down; the energy storage unit comprises a plurality of energy boxes and a plurality of weights arranged in the upper-layer energy storage chamber and the lower-layer energy storage chamber; the transportation system comprises a transportation track penetrating through the upper-layer energy storage chamber and the lower-layer energy storage chamber, and the transportation track is used for transporting the energy box; the power system comprises a secondary linear motor arranged on the conveying rail and a primary linear motor arranged on the energy box and is used for providing power for the energy box. The energy storage capacity expansion mode is simple, the expansion cost is low, the energy storage efficiency is high, the continuity of output or input power can be realized, and the fault tolerance performance is high.

The invention provides a multifunctional cycle power generation system and method by a gravity lever. The system comprises a supporting rack and a balance weight arranged on the supporting rack and slidably matched with the supporting rack, wherein engines are arranged on one side or two sides of the balance weight; the input shaft of each engine is connected to a transmission shaft; two or more single-directional clutches are fixedly connected to the middle of the transmission shaft; the locking directions of the single-directional clutches are same, gears are fixed to the peripheries of thesingle-directional clutches, and a rack matched with each gear to drive the transmission shaft to rotate is arranged next to each single-directional clutch; at least one pair of racks is arranged on the upper part and the lower part, separately, the racks and the balance weight which reciprocates are in driving movement and the balance weight is arranged on the supporting rack to swing through a lifting mechanism in a reciprocating manner. As the balance weight which swings in the reciprocating manner pulls the racks to drive the transmission shaft to rotate in the single direction, multiple engines can be driven synchronously to generate electricity synchronously, and the power needed by a supporting rack lifting device is alleviated greatly by means of a swing mode like to a lever, so that the energy sources are saved and the power generation efficiency is improved greatly.

The invention discloses a slope type caterpillar track gravity energy storage multi-machine system, and relates to the technical field of gravity energy storage. Comprising a main system unit, a supporting track laid according to a mountain structure, a chain type mass block dragging device arranged on the supporting track, double-motor assemblies arranged at the two ends of the supporting track, and a control system used for controlling the main system unit to operate in a power mode and a phase modulation mode. By designing a dual-mode operation system of a power mode and a phase modulation mode, dual functions of energy storage and discharge and reactive power regulation are realized, and by arranging an auxiliary motor and a kinetic energy recovery device and combining a staggered arrangement scheme of a heavy-load track and a light-load track, efficient recovery and cyclic utilization of energy in the movement process of the mass block are realized, and the energy utilization rate of the mass block is improved. By establishing a mathematical relationship model of track arrangement and adopting a design scheme of performing dynamic optimization according to mountain characteristics, the operation safety is ensured through an automatic mass block carrying and stacking system.

A lift drive system for an energy storage and delivery system includes an electric motor that rotates a driven shaft, a brake assembly for selectively braking the rotation of the driven shaft, and optionally includes a clutch selectively operable to decouple the electric motor from the driven shaft. A steel ribbon is disposed at least partially about and in contact with the driven shaft, where rotation of the driven shaft by the electric motor causes linear movement of the steel ribbon. The steel ribbon can connect at one end to an elevator cage assembly and at an opposite end to a counterweight.

An elevator cage is used in an energy storage and delivery system to move blocks between a lower elevation of a tower and a higher elevation of a tower to store energy and to move blocks between a higher elevation of the tower and a lower elevation of the tower under force of gravity to generate electricity. The elevator cage removably receives a block thereon and supports the block on at least three sides.

An energy storage system includes a crane and a plurality of blocks, where the crane is operable to move blocks from a lower elevation to a higher elevation (via stacking of the blocks) to store electrical energy as potential energy of the blocks, and then operable to move blocks from a higher elevation to a lower elevation (via unstacking of the blocks) to generate electricity based on the kinetic energy of the block when lowered (e.g., by gravity). The energy storage system can, for example, store electricity generated from solar power as potential energy in the stacked blocks during daytime hours when solar power is available, and can convert the potential energy in the stacked blocks into electricity during nighttime hours when solar energy is not available, and deliver the converted electricity to the power grid.

The invention discloses a wheel-driven bearing cable type gravity flow energy storage system and an energy storage method, and relates to the technical field of gravity energy storage. The wheel-driven bearing cable type gravity flow energy storage system comprises a first steering wheel, a second steering wheel, a carrying device, an energy storage device, a driving device, a power generation device, a bearing cable and a traction cable, the energy storage device is detachably connected to the carrying device; the driving device drives the traction cable to operate in the first direction so as to convey the multiple energy storage devices to the high altitude position, and electric energy is converted into gravitational potential energy to be stored. A plurality of carrying devices loaded with energy storage devices walk along the bearing cable and are conveyed to a low altitude position successively to form a continuous gravity flow so as to drive the power generation device to discharge continuously. The energy storage method is suitable for the wheel-driven bearing cable type gravity flow energy storage system. The invention provides a wheel-driven bearing cable type gravity flow energy storage system and an energy storage method, and aims to solve the technical problem of discontinuous charging and discharging caused by intermittent load generated by lifting energy storage blocks one by one in the prior art.

An energy storage and delivery system includes an elevator, where the elevator is operable to move one or more blocks from a lower elevation to a higher elevation to store energy (e.g., via the potential energy of the block in the higher elevation) and operable to move one or more blocks from a higher elevation to a lower elevation (e.g., by gravity) to generate electricity (e.g., via the kinetic energy of the block when moved to the lower elevation). The energy storage system can, for example, store electricity generated from solar power as potential energy in the stacked blocks during daytime hours when solar power is available, and can convert the potential energy in the stacked blocks into electricity during nighttime hours when solar energy is not available, and deliver the converted electricity to the electrical grid.

An electric energy storage and recovery system is provided to store electric energy from a generator when it is not required for the electric power grid. The system employs a controller to switch a generator between operating as an electric motor in power storage mode and operating as a generator in a power generation mode. A weight engaged to a distal end of a cable may be wound upon a reel by the generator when operating as an electric motor. The weight, in an elevated position, will pull the cable from the reel to rotate the generator and produce electric power when operating in power generation mode.

The present invention discloses a cave-type vertical lifting gravity energy storage system, including a mountain and a power supply, wherein a platform is provided on the top of the mountain, a top yard is provided on the platform, a shaft and a cave are provided inside the mountain, the bottom opening of the shaft is connected to the cave entrance, a lifting device is provided above the top opening of the shaft, a top horizontal conveyor and a gravity block are provided on the top yard, the gravity block moves horizontally along the top horizontal conveyor, the gravity block is contact-connected with the lifting device, a bottom horizontal conveyor, a control room and an energy storage device are provided in the cave, and the power supply is respectively connected with the lifting device, the top horizontal conveyor, the bottom horizontal conveyor, the control room and the energy storage device. The present invention utilizes underground caves as the lower yard of the gravity energy storage system, fully utilizes the underground space of the mountain, adopts the bottom horizontal conveyor and adopts a concealed project, does not destroy the natural environment of the mountain, does not affect the visual landscape of the mountain, and creates economic value.

A stacked lamination endplate for a rotor that includes a number of adjacent laminations, stacked one on top of another, wherein each lamination has an identical shape, the shape having a central region, symmetric about a center axis, and a number of spokes, each spoke emanating radially outward from the central region, where each spoke includes a through-hole at its distal end, and wherein the laminations are stacked one on top of another and aligned, enabling, for each spoke, a bolt to be inserted through a corresponding through-hole of each lamination.

A system may include a stacking device having a base portion and one or more walls, the base portion having a first axle receiver that holds a first axle at a first defined position, the one or more walls extending from the base portion, the stacking device receiving one or more flywheel plates onto the first axle. A system may include a clamping device adapted to couple with the stacking device using one or more alignment mechanisms, the clamping device including a second axle receiver that holds a second axle at a second defined position, the first defined position and the second defined position being in line when the clamping device is coupled with the stacking device.

The invention discloses a photovoltaic-driven IDC electric-cooling linkage method and device, and belongs to the technical field of IDC electric-cooling linkage, and the method comprises the following steps: S1, constructing a gravity energy storage structure; s2, the gravity object is lifted to the highest point of the gravity object channel through the gravity energy storage structure; s3, air at the bottom of the gravity object channel is compressed for the second time, and a thermal cracking reaction is carried out; s4, thermal cracking gas generated by the thermal cracking reaction is drained, and combustion products are discharged into a gas storage chamber; s5, the generated steam waste heat pushes a turbine in a turbine chamber to do work for power generation; and S6, domestic hot water and night heating hot water are prepared, convective heat exchange is conducted, the low-temperature reclaimed water obtained after heat exchange is heated into high-temperature steam in a cooler, the high-temperature steam enters a turbine to become high-temperature reclaimed water, and the high-temperature reclaimed water flows into a control center or a water storage pool. The organic matter compressed garbage is used as a gravity object for gravity energy storage, and heavy oil, solid fuel, adsorbents and other high-value products are produced in the gravity energy storage process.

A storage system for mass modules, said storage system comprises at least one conveyor system (11) arranged to horizontally move mass modules (10) in x-direction, the conveyor system (11) comprising a rack (23), a first set of horizontally restricted platforms (26) on the rack (23), said platforms are positioned at a distance away from each other, chain wheels with chains attached to the rack (23), and configured to move the mass modules (10), rollers (25) arranged between the chain wheels, a second set of movable platforms (20) arranged above the horizontally restricted platforms (26), for horizontally moving the mass modules (10) in y-direction, y-direction being perpendicular to x-direction.

The utility model discloses a rail type gravity energy storage power station, the power station is arranged on a rail, two sides of the bottom of a train are provided with driving plates, the power station comprises a supporting seat, a friction wheel, a transmission piece, a permanent magnet synchronous motor, a PLC control cabinet and a storage battery energy storage control cabinet, when the train passes through the power station, the friction wheel is in friction connection with the train driving plates, and the transmission piece is connected with the storage battery energy storage control cabinet. The permanent magnet synchronous motor is electrically connected with the storage battery energy storage control cabinet through a first on-off switch, the permanent magnet synchronous motor is connected with a power grid power source through a second on-off switch, a plurality of position sensors are arranged on the slope section of the track, and the total controller feeds back the position sensors to the storage battery energy storage control cabinet when the train is in downhill transportation according to the position sensors. Otherwise, the permanent magnet synchronous motor is controlled to operate as a motor. When the power station is applied to a slope section track, a driving mode and a power generation mode can be automatically switched according to ascending or descending of a train, so that one-station compatibility of power generation and driving is realized.

The utility model discloses a solar energy and gravity combined power generation and energy storage system, which comprises a solar power generation assembly, an inversion controller, an energy storage battery, a charging and discharging station, a generator, a gravity power generation assembly and a lifting motor, and is characterized in that the gravity power generation assembly comprises a lifting frame and a battery platform arranged on the lifting frame; according to the utility model, the gravity power generation assembly utilizes electric energy exceeding the energy storage upper limit of the energy storage battery to generate power at night through the gravity power generation assembly, so that the power generation efficiency is improved, and the power generation efficiency is improved. The utilization rate of energy can be improved; besides, through the charging and discharging movable contact structure and the charging and discharging fixed contact structure, the charging and discharging processes of the energy storage battery are carried out on the ground, the charging and discharging movable contact structure is connected with the electrodes of the energy storage battery, wiring of the movement section of the energy storage battery can be omitted, and safety is higher.

A lift drive system for an energy storage and delivery system includes an electric motor that rotates a driven shaft, a brake assembly for selectively braking the rotation of the driven shaft, and optionally includes a clutch selectively operable to decouple the electric motor from the driven shaft. A steel ribbon is disposed at least partially about and in contact with the driven shaft, where rotation of the driven shaft by the electric motor causes linear movement of the steel ribbon. The steel ribbon can connect at one end to an elevator cage assembly and at an opposite end to a counterweight.

The invention relates to a generation power control method, device and equipment of a slope type gravity energy storage system, a storage medium and a program product, and relates to the technical field of gravity energy storage. By adopting the method, the generated power stability of the slope type gravity energy storage system can be improved. The method comprises the following steps: according to power generation request power and unit output power of the slope type gravity energy storage system, determining the current demand number of generator sets; the current generator set is a power generation device comprising two rails; selecting a target number of trucks to be in place on a high-altitude platform of the slope type gravity energy storage system according to the demand number of the current generator set; in response to a power generation starting signal of the slope type gravity energy storage system, according to the truck acceleration control principle, a variable parameter mode is adopted, and the truck is controlled to slide down at wrong time; responding to a power generation stop signal of the slope type gravity energy storage system, and when it is recognized that all the truck slides down and stops on the low-altitude platform of the slope type gravity energy storage system, power generation is ended.

The invention discloses a rotor assembly and a motor using the rotor assembly, and the rotor assembly comprises a rotor injection molding body which is internally provided with a hollow cavity penetrating through the two axial ends of the rotor injection molding body; an output shaft is integrally formed at one axial side end of the rotor injection molding body through injection molding; a shaft hole used for being connected with a rotor supporting shaft in a matched mode is formed between the output shaft and the hollow cavity in a penetrating mode. A magnet ring injection-molded on the outer peripheral side of the rotor injection-molded body; the fixing plug is suitable for being inserted into the hollow cavity from the end, away from the output shaft, of the rotor injection molding body. A through hole which is coaxially communicated and matched with the shaft hole is formed in the fixing plug; wherein the hollow cavity and / or the fixed plug are at least provided with a section of suspension interval which is not completely contacted with the outer wall surface of the rotor support shaft.

The invention discloses a circulation type gravity energy storage system based on a slope and a working method thereof. The system comprises an annular conveying track, and a plurality of conveying vehicles are arranged on the annular conveying track; the annular conveying track comprises an upper bin section track, a working section track, a lower bin section track and a return section track which are connected in sequence, and the return section track is connected with the upper bin section track to form a closed loop; the upper bin track goods shelf and the lower bin track goods shelf each comprise an auxiliary limiting frame. The multiple rows of auxiliary limiting frames are vertically arranged side by side, a layer of three-dimensional stacking space used for storing the heavy blocks in a three-dimensional stacking mode is formed between every two adjacent rows of auxiliary limiting frames, and rotatable universal balls are arranged on the two side faces, corresponding to the auxiliary limiting frames, of the heavy blocks. According to the scheme, continuous transportation of the heavy blocks can be achieved, the stable power generation process is achieved, meanwhile, the heavy blocks can stably move in the track goods shelf, energy loss is very small, safety in the stacking process of the heavy blocks can be enhanced, and the hoisting speed can also be increased.

The invention belongs to the technical field of gravity energy storage, and particularly relates to a high-channel-utilization-rate gravity energy storage system based on vertical circulation operation, which comprises at least one energy conversion shaft, at least one empty return shaft, a top shaft transfer section and a bottom shaft transfer section, the top hoistway transfer section is communicated with the upper part of the energy conversion hoistway or the empty return hoistway through reciprocating translational motion, and the bottom hoistway transfer section is communicated with the lower part of the energy conversion hoistway or the empty return hoistway through reciprocating translational motion; racks are arranged on the inner walls of the hoistways, gears are arranged on the elevator, and the racks and the gears are meshed to achieve movement of the elevator in the circulating hoistways. Compared with an existing steel wire rope or chain annular conveying chain scheme, the conveying load is transferred to different heights of the vertical channel well wall in a distributed mode, the bottom and top horizontal transverse moving mechanism and the vertical load are transferred to a horizontal wheel rail, the conveying capacity is higher, the service life is longer and more reliable compared with a traditional circulating conveying chain cable, and the later operation and maintenance cost is reduced.

The invention relates to the technical field of ship energy recovery, in particular to a ship anchoring gravitational potential energy recovery method and system. The system comprises an anchor chain roller, a two-way anchor machine motor, a speed-increasing transmission mechanism, a power generation mechanism, a composite energy storage assembly and an intelligent controller, the anchor chain roller is connected with the two-way anchor machine motor and the speed-increasing transmission mechanism, and the speed-increasing transmission mechanism, the power generation mechanism and the energy storage assembly are sequentially connected; the intelligent controller is connected with the speed-increasing transmission mechanism and the power generation mechanism; during anchoring, the two-way anchor machine motor enters a power generation mode, gravitational potential energy formed by anchoring drives the anchor chain roller to rotate so as to convert the gravitational potential energy into mechanical energy, the mechanical energy is transmitted to the power generation mechanism through rotation of the speed increasing transmission mechanism, and the power generation mechanism generates power based on the mechanical energy and transmits the generated electric energy to the composite energy storage assembly for storage. The recovery of the gravitational potential energy generated during anchoring is realized, and the waste of the gravitational potential energy generated during anchoring is avoided.

The invention discloses a moving-coil direct-drive gravity energy storage device and a control method thereof, and belongs to the technical field of gravity energy storage. The moving-coil direct-drive gravity energy storage device comprises a direct-drive conveying system, an energy storage unit and an upper computer; the direct-drive conveying system comprises an alternating-current power grid, an energy storage converter, a direct-drive motor unit and a plurality of primary rotor carriers, one end of the energy storage converter is electrically connected with the alternating-current power grid, and the other end of the energy storage converter is electrically connected with the direct-drive motor unit through a direct-current bus. According to the device, electric energy and potential energy are efficiently and bidirectionally converted through the direct-drive conveying system and the energy storage unit, simultaneous movement of the multiple rotors is achieved, and the space efficiency ratio of gravity energy storage is increased; and compared with a traditional energy storage mode, redundant movement intermediate mechanisms are removed, unnecessary parts and connection are reduced, the installation space is effectively saved, the maintenance difficulty and cost are reduced, and the energy storage device can be applied to wider field conditions.

The invention relates to the technical field of gravity energy storage power generation, in particular to a mountain-based gravity energy storage and photovoltaic power generation collaborative optimization system and method. The mountain-relying type gravity energy storage and photovoltaic power generation collaborative optimization system comprises a photovoltaic power generation system, a mountain-relying type gravity energy storage system, a storage battery system and a power grid, the photovoltaic power generation system is respectively connected to the mountain-relying type gravity energy storage system, the storage battery system and the power grid and is used for generating and outputting electric energy; the mountain relying type gravity energy storage system is connected to the photovoltaic power generation system and a power grid, and is used for receiving and storing the electric energy and releasing and outputting the electric energy to realize peak regulation of the power grid; the storage battery system is connected to the photovoltaic power generation system and is used for storing and releasing electric energy, assisting the mountain-type gravity energy storage system to carry out power grid peak regulation and realizing grid connection; the power grid is connected to the photovoltaic power generation system and the mountain-relying type gravity energy storage system and used for receiving electric energy.

The invention relates to the technical field of gravity energy storage, in particular to a coal mine gravity energy storage efficient mechanical structure which comprises the ground and a mine, and a generator set is installed at the top end, close to the mine, of the ground. Through the transmission effect of the generator set, the speed-changing gear box, the take-up and pay-off reel and the connecting rope, a hoisted heavy object can be driven to move in a mine, the downward moving position of the hoisted heavy object can be detected and fed back through the pressure sensor installed at the top end of the telescopic rod, and when the pressure sensor is extruded by the pressing plate, the hoisted heavy object is conveniently prevented from further moving downwards in time; one end of each guide roller is in rolling connection with the inner wall of the corresponding roller groove, the smoothness of the lifted heavy object during moving is improved conveniently, limiting blocks are slidably mounted in limiting grooves, limiting can be conducted when the lifted heavy object moves, and therefore the lifted heavy object is not prone to shaking and colliding with the inner wall of a mine during moving, and the safety of the mine is improved. And the stability when the lifted weight moves is improved, so that the gravity energy storage efficiency is prevented from being influenced.

A flywheel (100) comprising a plurality of discs (102) arranged in a stack (104), including at least first and second end discs at either end of the stack (104), each of the plurality of discs (102) including a plurality of disc apertures (102a) therethrough, first and second plate members (106) disposed at opposing ends of the stack (104), one or both of the first and second plate members (106) including a plurality of plate apertures (106a) therethrough for alignment with the plurality of disc apertures (102a) in the first and second end discs respectively, connection means (114) for clamping the first and second plate members (106) together about the stack (104) of discs (102), the connection means (114) extending through each of the plurality of disc apertures (102a) without contacting the plurality of discs (102).

The utility model discloses a rail type gravity energy storage built-in power station which is arranged under parallel rails, two rows of driving plates are arranged at the bottom of a rail train, the power station comprises a box body, a supporting base and two groups of power generation assemblies arranged on the supporting base, and each power generation assembly comprises a friction wheel, a transmission piece, a power generator and a power storage device. The friction wheels are arranged on the top of the supporting base in a sliding mode through friction wheel seats, the two generators are longitudinally arranged on the two sides of the supporting base, the generator on each side is in transmission connection with the friction wheel on the same side through a corresponding transmission piece, and the friction wheel seats are further connected with mechanical tensioners. And the friction wheel and the driving plate are in compression friction connection under the action of the mechanical tensioner. According to the utility model, the power station is arranged in the track and is vertically mounted, so that the occupied width of the power station in gravity energy storage is reduced, and the geographical adaptability of track arrangement is improved.

The utility model discloses a rail type gravity energy storage external power station which comprises a power generation device, a rail train is arranged on a rail, and driving plates are arranged on the two sides of the rail train. The power generation device comprises a supporting platform, a supporting frame arranged on the upper side of the supporting platform in a sliding fit mode, a power generator arranged on the upper side of the supporting frame and a friction wheel in transmission connection with the input end of the power generator, the output end of the power generator is electrically connected into the storage battery energy storage control cabinet, and the supporting platform is further provided with a tensioning device connected with the supporting frame. The rail train travels from the upper portion to the lower portion of the rail, and the friction wheels are driven by the tensioning device to press the driving plate on the rail train through the power generation device. Through the external power station, when the train descends, the driving plate can drive the friction wheel to rotate, so that the generator is driven, gravitational potential energy is converted into mechanical energy and then converted into electric energy to be stored, the positions of the friction wheel and the driving plate can be accurately regulated and controlled, and power is effectively transmitted to the generator to generate electricity.