CN115622325A - Energy storage flywheel capable of automatically vacuumizing and energy storage equipment with energy storage flywheel - Google Patents

Energy storage flywheel capable of automatically vacuumizing and energy storage equipment with energy storage flywheel Download PDF

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Publication number
CN115622325A
CN115622325A CN202211621323.3A CN202211621323A CN115622325A CN 115622325 A CN115622325 A CN 115622325A CN 202211621323 A CN202211621323 A CN 202211621323A CN 115622325 A CN115622325 A CN 115622325A
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CN
China
Prior art keywords
flywheel
energy storage
cavity
shell
hole
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Granted
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CN202211621323.3A
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Chinese (zh)
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CN115622325B (en
Inventor
王志强
苏森
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Huachi Kinetic Energy Beijing Technology Co ltd
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Huachi Kinetic Energy Beijing Technology Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/02—Additional mass for increasing inertia, e.g. flywheels
    • H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • 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
    • H02J15/00—Systems for storing electric energy
    • H02J15/007—Systems for storing electric energy involving storage in the form of mechanical energy, e.g. fly-wheels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

Abstract

The invention discloses an energy storage flywheel capable of automatically vacuumizing and energy storage equipment, wherein the energy storage flywheel capable of automatically vacuumizing comprises a shell and a flywheel rotor, the shell comprises a body and an outer cover shell, the outer cover shell is connected to the bottom of the body and provided with a water storage cavity, the bottom wall of the body is provided with an exhaust hole and an air suction hole, the flywheel rotor is arranged in the cavity, the lower end of the flywheel rotor extends into the water storage cavity and is provided with blades which are circumferentially arranged at intervals, when the outer cover shell is in an eccentric position, the central axis of the flywheel rotor and the central axis of the water storage cavity are horizontally spaced, in the radial direction of the flywheel rotor, the side with the smaller distance between the flywheel rotor and the inner circumferential surface of the water storage cavity is an exhaust side communicated with the exhaust hole, and the side with the larger distance between the flywheel rotor and the inner circumferential surface of the water storage cavity is an air suction side communicated with the air suction hole. The energy storage flywheel can realize automatic vacuum pumping along with the rotation of the flywheel rotor, does not need to be provided with vacuum pumping equipment, and can realize online vacuum pumping without stopping operation.

Description

Energy storage flywheel capable of automatically vacuumizing and energy storage equipment with energy storage flywheel
Technical Field
The invention relates to the technical field of flywheel energy storage, in particular to an energy storage flywheel capable of automatically vacuumizing and energy storage equipment with the energy storage flywheel.
Background
In order to reduce friction and energy loss, the flywheel and the motor of the energy storage flywheel are generally enclosed in a vacuum shell, and in order to realize vacuum in the shell, a vacuumizing operation is generally required before the energy storage flywheel runs.
An external vacuumizing device is usually arranged in the related technology for vacuumizing the energy storage flywheel, but the mode has many defects, for example, the vacuumizing device and the energy storage flywheel need to be in butt joint every time of vacuumizing, the investment cost of the vacuumizing device is not needed, the operation is complex, the energy storage flywheel needs to stop running in the vacuumizing process, online vacuumizing cannot be realized, and the working efficiency of the energy storage flywheel is greatly restricted.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides the energy storage flywheel capable of automatically vacuumizing, the energy storage flywheel can realize automatic vacuumizing along with the rotation of the flywheel rotor, vacuumizing equipment is not required to be equipped, the cost is reduced, meanwhile, repeated butt joint of the vacuumizing equipment and the energy storage flywheel is avoided, the working efficiency is improved, in addition, the energy storage flywheel can realize online vacuumizing, stop operation is not required, and the working efficiency of the energy storage flywheel is further improved.
The embodiment of the invention also provides the energy storage equipment.
The energy storage flywheel capable of automatically vacuumizing of the embodiment of the invention comprises: the shell comprises a body and an outer cover shell, the body is provided with a cavity with a downward opening, the outer cover shell is movably connected to the outer side of the bottom of the body and covers the opening, the outer cover shell is provided with a water storage cavity with an annular inner wall, the bottom wall of the body is provided with an exhaust hole and an air suction hole, one end of the air suction hole is communicated with the cavity, the other end of the air suction hole is communicated with the water storage cavity, one end of the exhaust hole is communicated with the water storage cavity, and the other end of the exhaust hole is communicated with the outside; the flywheel rotor is arranged in the cavity, the lower end of the flywheel rotor extends into the water storage cavity from the opening, blades are arranged at intervals along the circumferential direction of the lower end of the flywheel rotor, the outer cover shell is opposite to the shell and can move between the central position and the eccentric position, the central axis of the flywheel rotor is collinear with the central axis of the water storage cavity, the eccentric position is arranged, the central axis of the flywheel rotor is spaced from the central axis of the water storage cavity in the horizontal direction, the eccentric position is arranged on the radial direction of the flywheel rotor, the outer peripheral surface of the flywheel rotor is arranged on the side, with the smaller distance, of the inner peripheral surface of the water storage cavity, of the outer peripheral surface of the flywheel rotor, the side, with the larger distance, of the inner peripheral surface of the water storage cavity is an air suction side, the air discharge hole is opposite to and communicated with the air suction side, and the air suction hole is opposite to and communicated with the air suction side.
The energy storage flywheel capable of automatically vacuumizing comprises a shell and an outer cover shell, wherein the outer cover shell is arranged on the outer side of the bottom wall of the shell and is provided with a water storage cavity, a flywheel rotor is arranged in the shell, the lower end of the flywheel rotor extends into the water storage cavity, the lower end of the flywheel rotor is provided with a plurality of blades which are arranged at intervals along the circumferential direction of the flywheel rotor, when vacuumizing is needed, the outer cover shell can be moved to an eccentric position, the flywheel rotor can drive the blades to rotate so as to form a closed water ring in the water storage cavity, the outer cover shell is eccentrically arranged, a cavity in the closed water ring comprises a suction side with a larger space and an exhaust side with a smaller space, gas in the shell can be sucked out from a gas suction hole which is opposite to the suction side by utilizing the change of the gas volume on the suction side and the exhaust side, the gas is conveyed to the exhaust side and then is exhausted to the outside from an exhaust hole, and automatic vacuumizing is completed.
In some embodiments, a water diversion shell is arranged on the inner bottom surface of the outer casing, the water storage cavity comprises a first cavity located inside the water diversion shell and a second cavity located outside the water diversion shell, the second cavity is communicated with and disconnected from the first cavity, and the lower end of the flywheel rotor is located in the second cavity.
In some embodiments, the outer casing includes a bottom plate and an outer ring plate connected to an outer circumferential edge of the bottom plate, the water diversion shell is connected to a central position of the bottom plate, and an annular groove is formed between an outer circumferential surface of the water diversion shell and an inner circumferential surface of the outer ring plate at an interval.
In some embodiments, the base plate is an annular plate, the division case is attached to an inner peripheral edge of the annular plate, and the outer shroud further includes a cover plate detachably attached at a central hole of the annular plate, the cover plate and the division case having the first chamber therebetween.
In some embodiments, the outer ring plate, the bottom plate, and the water distribution case are integrally formed.
In some embodiments, a vacuum detector and a control assembly are arranged in the shell, the vacuum detector can detect the vacuum state in the shell, and the control assembly can control the connection and disconnection of the first chamber and the second chamber according to the detection information of the vacuum detector; and/or the control assembly may control the outer casing to move between the center position and the eccentric position based on the detection information of the vacuum detector.
In some embodiments, a vertically arranged central shaft is arranged in the first chamber, a through hole which can communicate the first chamber with the second chamber is arranged on the outer wall of the water diversion shell, the control assembly comprises a driving piece and a movable baffle, the movable baffle is sleeved on the central shaft and extends along the radial direction of the central shaft, the driving piece can drive the movable baffle to rotate between an opening position and a closing position, the closing position seals the through hole, and the opening position opens the through hole.
In some embodiments, a fixed baffle is disposed between the central shaft and the inner wall of the first chamber, a top surface of the fixed baffle is attached to a top wall of the first chamber, and a bottom surface of the fixed baffle is attached to a bottom wall of the first chamber.
In some embodiments, the through hole is disposed adjacent to the fixed baffle in a circumferential direction of the central shaft.
The energy storage device comprises the energy storage flywheel capable of automatically vacuumizing.
According to the energy storage device provided by the embodiment of the invention, by adopting the energy storage flywheel capable of automatically vacuumizing, the automatic vacuumizing function of the energy storage flywheel can be utilized, vacuumizing equipment is not required, the cost is low, online vacuumizing of the energy storage flywheel can be realized, the equipment is not required to be shut down, and the operation efficiency is high.
Drawings
FIG. 1 is a cross-sectional view of an energy storage flywheel that can be automatically evacuated according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of an energy storage flywheel capable of automatically vacuumizing according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of an outer casing of an energy storage flywheel capable of automatically vacuumizing according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of the back side of an outer casing of an energy storage flywheel capable of automatically vacuumizing according to an embodiment of the invention.
Reference numerals:
the device comprises a shell 1, a body 11, an exhaust hole 111, an air suction hole 112, an outer casing 12, an outer annular plate 121, a bottom plate 122, a water diversion shell 123, a central shaft 125, a movable baffle plate 126, a fixed baffle plate 127, a flywheel rotor 2, blades 21 and a vacuum check valve 3.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 4, the energy storage flywheel capable of automatically vacuumizing according to the embodiment of the invention comprises a housing 1 and a flywheel rotor 2.
Specifically, as shown in fig. 1, the housing 1 includes a body 11 and an outer cover 12, the body 11 has a cavity with a downward opening, the outer cover 12 is movably connected to the outside of the bottom of the body 11 and covers the opening, the outer cover 12 has a water storage cavity with an annular inner wall, an air exhaust hole 111 and an air suction hole 112 are formed in the bottom wall of the body 11, one end of the air suction hole 112 is communicated with the cavity, the other end of the air exhaust hole is communicated with the water storage cavity, one end of the air exhaust hole 111 is communicated with the water storage cavity, the other end of the air exhaust hole is communicated with the outside, the flywheel rotor 2 is disposed in the cavity and the lower end of the flywheel rotor 2 extends into the water storage cavity from the opening, vanes 21 are disposed at intervals along the circumferential direction of the lower end of the flywheel rotor 2, the outer cover 12 is movable relative to the housing 1 between a central position and an eccentric position, at the central position, a central axis 125 line of the flywheel rotor 2 is collinear with a central axis 125 line of the water storage cavity, at the eccentric position, a central axis 125 line of the flywheel rotor 2 is spaced apart from a central axis of the water storage cavity in the horizontal direction, and at the eccentric position, a radial direction, a smaller side between the outer peripheral surface of the flywheel rotor 2 and a larger side of the air exhaust hole is communicated with the air suction hole 112, and a larger side of the air exhaust hole is communicated with the inner peripheral surface of the air suction hole 112.
It can be understood that, when the energy storage flywheel of the present application needs to be evacuated, the outer casing 12 may be controlled to an eccentric position, and then, along with the rotation of the flywheel rotor 2, the impeller may throw water all around to form a closed water ring, because the outer casing 12 is not concentric with the flywheel rotor 2, the space of the air suction side is larger, the space of the air discharge side is smaller, and a plurality of small cavities are formed at intervals by a plurality of impellers, taking as an example that a single small cavity rotates a circle from the air discharge side, at the first 180 ° of rotation, the volume of the small cavity gradually increases, the air pressure in the small cavity gradually decreases, when the small cavity communicates with the air suction hole 112, the air in the cavity may be discharged into the small cavity from the air suction hole 112, and when the impeller rotates a back 180 °, the volume of the small cavity gradually decreases, the air is compressed, the air pressure increases, and when the small cavity communicates with the air discharge hole 111, the air in the small cavity may be discharged into the outside from the air discharge hole 111, thereby completing the evacuation operation of the cavity.
In addition, the water in the water storage cavity in the application not only can be matched with the impeller for vacuumizing, but also can be used as cooling water to dissipate heat of the flywheel rotor 2, so that the problem of difficulty in heat dissipation in a vacuum environment is solved to a certain extent.
In addition, the outer casing 12 of the present application can be moved between a center position and an eccentric position, whereby the outer casing 12 can be moved to the center position when vacuum pumping is not required, and the operation is flexible and convenient.
The energy storage flywheel capable of automatically vacuumizing of the embodiment of the invention comprises a shell 1, a body 11 and an outer casing 12, wherein the outer casing 12 is arranged outside the bottom wall of the body 11 and is provided with a water storage cavity, a flywheel rotor 2 is arranged in the body 11, the lower end of the flywheel rotor 2 extends into the water storage cavity, the lower end of the flywheel rotor 2 is provided with a plurality of blades 21 which are arranged at intervals along the circumferential direction of the flywheel rotor, when the energy storage flywheel needs to be vacuumized, the outer casing 12 can be moved to an eccentric position, the flywheel rotor 2 can drive the blades 21 to rotate to form a closed water ring in the water storage cavity, because the outer casing 12 is eccentrically arranged, a cavity in the closed water ring comprises a gas suction side with larger space and a gas exhaust side with smaller space, utilize the change of gas volume at the side of breathing in and the side of exhausting can be with the gas in the body 11 from with the side of breathing in to inhale gas hole 112 suction, and carry gas and discharge into the external world from exhaust hole 111 behind the side of exhausting, accomplish automatic evacuation, therefore, the energy storage flywheel of this application can realize automatic evacuation along with the rotation of flywheel rotor 2, need not to be equipped with evacuation equipment, the cost is reduced, the repeated butt joint of evacuation equipment with the energy storage flywheel has been avoided simultaneously, the work efficiency is improved, in addition, the energy storage flywheel of this application can realize online evacuation, need not the operation of shutting down, the work efficiency of energy storage flywheel has further been improved.
Preferably, as shown in fig. 3 and 4, a water diversion shell 123 is arranged on the inner bottom surface of the outer casing 12, the water storage cavity comprises a first cavity located inside the water diversion shell 123 and a second cavity located outside the water diversion shell 123, the second cavity is connectable with and disconnectable from the first cavity, and the lower end of the flywheel rotor 2 is located in the second cavity.
From this, the energy storage flywheel of this application can be with first cavity and second cavity intercommunication when not needing the evacuation to make the interior liquid of second cavity flow into in the first cavity, and then make liquid no longer participate in the evacuation with the impeller cooperation. It will be appreciated that the stirring of the liquid by the impeller consumes a portion of the energy, and that this can be eliminated by introducing the water in the second chamber into the first chamber when no vacuum is required. It should be noted that, when the vacuum pumping is not required, the water in the second chamber may completely flow into the first chamber, or may partially flow into the first chamber, and it is only required to ensure that the liquid level in the second chamber is lower than the blade 21.
Further, as shown in fig. 3, the outer casing 12 includes a bottom plate 122 and an outer ring plate 121, the outer ring plate 121 is connected to an outer circumferential edge of the bottom plate 122, the water diversion shell 123 is connected to a central position of the bottom plate 122, and an annular groove is formed between an outer circumferential surface of the water diversion shell 123 and an inner circumferential surface of the outer ring plate 121 at an interval.
Preferably, the base plate 122 is an annular plate, the water diversion shell 123 is attached to an inner peripheral edge of the annular plate, and the outer casing 12 further includes a cover plate detachably attached at a central hole of the annular plate, with a first chamber between the cover plate and the water diversion shell 123.
Preferably, the outer ring plate 121, the base plate 122 and the water distribution case 123 are integrally formed.
In some embodiments, a vacuum detector and a control assembly are provided in the housing 1, the vacuum detector can detect the vacuum state in the housing 1, and the control assembly can control the connection and disconnection of the first chamber and the second chamber according to the detection information of the vacuum detector. In other words, the control assembly and the vacuum detector can realize automatic switching between vacuum pumping and non-vacuum pumping by combined control without manual participation.
Further, the control unit may control the outer casing 12 to move between the center position and the eccentric position based on the detection information of the vacuum detector. Specifically, the control component may control the outer casing 12 to move to the eccentric position when the vacuum detector provides the detection information that the vacuum pumping is required, and may control the outer casing 12 to move to the eccentric position when the vacuum detector provides the detection information that the vacuum pumping is not required.
In some embodiments, as shown in fig. 2 and 4, a central shaft 125 is vertically disposed in the first chamber, a through hole capable of communicating the first chamber with the second chamber is disposed on an outer wall of the water diversion shell 123, the control component includes a driving component and a movable baffle plate 126, the movable baffle plate 126 is sleeved on the central shaft 125, the driving component can drive the movable baffle plate 126 to rotate between an open position and a closed position, in the closed position, the movable baffle plate 126 closes the through hole, and in the open position, the movable baffle plate 126 opens the through hole.
Specifically, as shown in fig. 2 and 4, the movable baffle 126 is sleeved on the central shaft 125 and extends along the radial direction of the central shaft 125, the free end of the movable baffle 126 is opposite to the inner circumferential surface of the water storage cavity, when in the closed position, the free end of the movable baffle 126 can block the through hole, and the movable baffle 126 rotates around the central shaft 125 to avoid the through hole to realize the communication between the first cavity and the second cavity.
Further, as shown in fig. 4, a fixed baffle 127 is disposed between the central shaft 125 and the inner wall of the first chamber, a top surface of the fixed baffle 127 is connected to a top wall of the first chamber, and a bottom surface of the fixed baffle 127 is connected to a bottom wall of the first chamber. Therefore, when the vacuum pumping is not needed, the driving member can be used for driving the movable baffle plate 126 to rotate so as to open the through hole, and after the movable baffle plate 126 rotates, the through hole is located between the movable baffle plate 126 and the fixed baffle plate 127, when the vacuum pumping is needed, the movable baffle plate 126 can rotate back, and along with the rotation of the movable baffle plate 126, the space between the movable baffle plate 126 and the fixed baffle plate 127 is compressed, and liquid can flow back to the second chamber from the through hole due to extrusion. Therefore, the liquid can flow back and forth between the first chamber and the second chamber by utilizing the space change between the movable baffle plate 126 and the fixed baffle plate 127, so that the energy storage flywheel can be freely switched between the vacuumizing state and the non-vacuumizing state. Preferably, the movable flap 126 is flush with the fixed flap 127.
Preferably, the through-hole is disposed adjacent to the fixed baffle 127 in the circumferential direction of the center shaft 125. In this way, the movable flap 126 can be pressed against the fixed flap 127 in the extreme position, so that the liquid can be completely drained into the first chamber when switching to the vacuum-pumping state.
Preferably, as shown in fig. 1, the end of the exhaust hole 111 communicating with the outside is provided with a vacuum check valve 3 to prevent the outside air from flowing backward into the water storage chamber.
The energy storage device comprises the energy storage flywheel capable of automatically vacuumizing.
According to the energy storage device provided by the embodiment of the invention, by adopting the energy storage flywheel capable of automatically vacuumizing, the automatic vacuumizing function of the energy storage flywheel can be utilized, vacuumizing equipment is not required, the cost is low, online vacuumizing of the energy storage flywheel can be realized, the equipment is not required to be shut down, and the operation efficiency is high.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. An energy storage flywheel capable of automatically vacuumizing, which is characterized by comprising:
the shell comprises a body and an outer cover shell, wherein the body is provided with a cavity with a downward opening, the outer cover shell is movably connected to the outer side of the bottom of the body and covers the opening, the outer cover shell is provided with a water storage cavity with an annular inner wall, the bottom wall of the body is provided with an exhaust hole and an air suction hole, one end of the air suction hole is communicated with the cavity, the other end of the air suction hole is communicated with the water storage cavity, one end of the exhaust hole is communicated with the water storage cavity, and the other end of the exhaust hole is communicated with the outside;
the flywheel rotor is arranged in the cavity, the lower end of the flywheel rotor extends into the water storage cavity from the opening, blades are arranged at intervals along the circumferential direction of the lower end of the flywheel rotor, the outer cover shell is opposite to the shell and can move between the central position and the eccentric position, the central axis of the flywheel rotor is collinear with the central axis of the water storage cavity, the eccentric position is arranged, the central axis of the flywheel rotor is spaced from the central axis of the water storage cavity in the horizontal direction, the eccentric position is arranged on the radial direction of the flywheel rotor, the outer peripheral surface of the flywheel rotor is arranged on the side, with the smaller distance, of the inner peripheral surface of the water storage cavity, of the outer peripheral surface of the flywheel rotor, the side, with the larger distance, of the inner peripheral surface of the water storage cavity is an air suction side, the air discharge hole is opposite to and communicated with the air suction side, and the air suction hole is opposite to and communicated with the air suction side.
2. The energy storage flywheel capable of being automatically vacuumized according to claim 1, wherein a water distribution shell is arranged on the inner bottom surface of the outer casing, the water storage cavity comprises a first cavity located inside the water distribution shell and a second cavity located outside the water distribution shell, the second cavity is capable of being communicated and disconnected with the first cavity, and the lower end of the flywheel rotor is located in the second cavity.
3. The energy storage flywheel capable of automatically vacuumizing according to claim 2, wherein the outer casing comprises a bottom plate and an outer ring plate, the outer ring plate is connected to the outer peripheral edge of the bottom plate, the water diversion shell is connected to the center of the bottom plate, and an annular groove is formed between the outer peripheral surface of the water diversion shell and the inner peripheral surface of the outer ring plate at an interval.
4. An automatically evacuable energy storing flywheel according to claim 3 wherein the base plate is an annular plate, the water-dividing housing is attached to the inner peripheral edge of the annular plate, the outer housing further comprises a cover plate detachably attached to the annular plate at the central hole, and the first chamber is provided between the cover plate and the water-dividing housing.
5. The self-evacuable energy storing flywheel of claim 4, wherein the outer ring plate, the bottom plate and the water dividing casing are integrally formed.
6. An energy storage flywheel capable of being automatically vacuumized according to claim 2, wherein a vacuum detector and a control assembly are arranged in the shell, the vacuum detector can detect the vacuum state in the shell, and the control assembly can control the connection and disconnection of the first chamber and the second chamber according to the detection information of the vacuum detector;
and/or the control component can control the outer casing to move between the central position and the eccentric position according to the detection information of the vacuum detector.
7. An energy storage flywheel capable of automatically vacuumizing according to claim 6, wherein a vertically arranged central shaft is arranged in the first chamber, a through hole capable of communicating the first chamber with the second chamber is formed in the outer wall of the water distribution shell, the control assembly comprises a driving piece and a movable baffle, the movable baffle is sleeved on the central shaft and extends along the radial direction of the central shaft, the driving piece can drive the movable baffle to rotate between an opening position and a closing position, the movable baffle closes the through hole in the closing position, and the movable baffle opens the through hole in the opening position.
8. An energy storage flywheel capable of automatically vacuumizing according to claim 7, wherein a fixed baffle is arranged between the central shaft and the inner wall of the first chamber, the top surface of the fixed baffle is attached to the top wall of the first chamber, and the bottom surface of the fixed baffle is attached to the bottom wall of the first chamber.
9. An automatically evacuable energy storing flywheel according to claim 8 wherein said through hole is located in close proximity to said stationary shield in the circumferential direction of said central shaft.
10. An energy storage device, characterized in that it comprises an automatically evacuable energy storage flywheel according to any of claims 1-9.
CN202211621323.3A 2022-12-16 2022-12-16 Energy storage flywheel capable of automatically vacuumizing and energy storage equipment with energy storage flywheel Active CN115622325B (en)

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CN202211621323.3A CN115622325B (en) 2022-12-16 2022-12-16 Energy storage flywheel capable of automatically vacuumizing and energy storage equipment with energy storage flywheel

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CN116118087A (en) * 2023-02-10 2023-05-16 苏州市鸣量文化科技有限公司 Novel vacuumizing and pressurizing equipment suitable for toy turnover mould

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JPS5947944A (en) * 1982-09-10 1984-03-17 Mitsubishi Electric Corp Flywheel unit
CN1177681A (en) * 1996-03-29 1998-04-01 阿耐斯特岩田株式会社 Oil-free scroll vacuum pump
CN110165821A (en) * 2019-05-09 2019-08-23 江苏大学 A kind of novel horizontal self-evacuating vacuum room high integration energy accumulation device for fly wheel
CN210919471U (en) * 2019-11-08 2020-07-03 无锡斯普流体设备有限公司 Pump with vacuum self-suction function
CN115065200A (en) * 2022-08-18 2022-09-16 华驰动能(北京)科技有限公司 Liquid cooling energy storage flywheel with vacuum environment inside and energy storage equipment
CN217545782U (en) * 2022-05-30 2022-10-04 坎德拉(深圳)新能源科技有限公司 Flywheel energy storage device

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JPS5947944A (en) * 1982-09-10 1984-03-17 Mitsubishi Electric Corp Flywheel unit
CN1177681A (en) * 1996-03-29 1998-04-01 阿耐斯特岩田株式会社 Oil-free scroll vacuum pump
CN110165821A (en) * 2019-05-09 2019-08-23 江苏大学 A kind of novel horizontal self-evacuating vacuum room high integration energy accumulation device for fly wheel
CN210919471U (en) * 2019-11-08 2020-07-03 无锡斯普流体设备有限公司 Pump with vacuum self-suction function
CN217545782U (en) * 2022-05-30 2022-10-04 坎德拉(深圳)新能源科技有限公司 Flywheel energy storage device
CN115065200A (en) * 2022-08-18 2022-09-16 华驰动能(北京)科技有限公司 Liquid cooling energy storage flywheel with vacuum environment inside and energy storage equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116118087A (en) * 2023-02-10 2023-05-16 苏州市鸣量文化科技有限公司 Novel vacuumizing and pressurizing equipment suitable for toy turnover mould
CN116118087B (en) * 2023-02-10 2023-09-22 苏州市鸣量文化科技有限公司 Novel vacuumizing and pressurizing equipment suitable for toy turnover mould

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