CN212784783U - Integrated power supply system adopting flywheel for energy storage - Google Patents
Integrated power supply system adopting flywheel for energy storage Download PDFInfo
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- CN212784783U CN212784783U CN202120352618.XU CN202120352618U CN212784783U CN 212784783 U CN212784783 U CN 212784783U CN 202120352618 U CN202120352618 U CN 202120352618U CN 212784783 U CN212784783 U CN 212784783U
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Abstract
The utility model belongs to the technical field of electric power system, an integrated power supply system adopting flywheel energy storage is disclosed, the integrated power supply system adopting flywheel energy storage comprises an equipment box, an energy storage converter, flywheel energy storage equipment and control equipment, the equipment box comprises a box body, the box body defines a containing cavity, a separation plate is arranged in the containing cavity, and the containing cavity is divided into an energy storage converter chamber and a flywheel chamber by the separation plate; the energy storage converter is arranged in the energy storage converter chamber and is suitable for being connected with a power grid; the flywheel energy storage equipment is arranged in the flywheel chamber and is connected with the energy storage converter; the control equipment is arranged in the flywheel chamber, is respectively connected with the energy storage converter and the flywheel energy storage equipment, and is used for acquiring the power grid frequency and controlling the running states of the energy storage converter and the flywheel energy storage equipment according to the change of the power grid frequency. The integrated power supply system adopting the flywheel for energy storage can meet the index requirements of virtual inertia response support and primary frequency modulation, and is safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of the electric power system technique and specifically relates to an adopt integrated form power supply system of flywheel energy storage.
Background
The frequency quality of the power system is an important index of the power quality, if the power generation and load requirements are not matched, the power grid frequency fluctuation can be caused, and the purpose of frequency modulation can be achieved by controlling the power generation output according to the load requirements. The virtual inertia response is mainly applied to: when the change rate of the power grid frequency exceeds a threshold value, a quick and short-time rotational inertia support is provided for the system, and cascading accidents are prevented. The virtual inertia response is an effective supplement of primary frequency modulation and other active support technologies, but due to the characteristics of the wind power generation technology, the index requirements of the virtual inertia response support and the primary frequency modulation are difficult to independently complete.
In the related technology, a battery energy storage system frequency modulation technology is usually adopted to realize virtual inertia response support and primary frequency modulation, but the battery energy storage system requires a special working condition and needs to avoid frequent deep charging and deep discharging, so that fire hazard exists, and certain limitation exists. And the chemical battery has the problems of high failure rate, short service life, environmental pollution and the like, and is the weakest component in the frequency modulation technology of the energy storage system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide an integrated power supply system using flywheel energy storage, which can satisfy the index requirements of virtual inertia response support and primary frequency modulation, and is safe and reliable.
In order to solve the above problem, an embodiment of the first aspect of the present invention provides an integrated power supply system using flywheel energy storage, including an equipment box, where the equipment box includes a box body, the box body defines a containing cavity, and a partition board is disposed in the containing cavity, and divides the containing cavity into an energy storage converter chamber and a flywheel chamber; the energy storage converter is arranged in the energy storage converter chamber and is suitable for being connected with a power grid; the flywheel energy storage equipment is arranged in the flywheel chamber and is connected with the energy storage converter; and the control equipment is arranged in the flywheel chamber, is respectively connected with the energy storage converter and the flywheel energy storage equipment, is used for acquiring the power grid frequency and controls the running states of the energy storage converter and the flywheel energy storage equipment according to the change of the power grid frequency.
According to the utility model discloses an adopt integrated form power supply system of flywheel energy storage, with energy storage converter, flywheel energy storage equipment and controlgear all set up in the equipment box, the on-the-spot arrangement of being convenient for, based on energy storage converter, release or the absorption to the electric energy can be realized to flywheel energy storage equipment and controlgear's framework, make electric wire netting frequency remain stable, thereby satisfy the index requirement that virtual inertia response supported and primary frequency modulation, and, through setting up flywheel energy storage equipment, can adopt the mode of pure physics energy storage, at equipment manufacturing, use and retrieve link and do not have any chemical material and chemical reaction, can show the reliability that improves the power supply, improve power supply guarantee efficiency, safety and reliability.
In some embodiments, the case comprises: the first transverse plate, the first longitudinal plate, the second transverse plate and the second longitudinal plate are sequentially connected to form a side wall; the top plate is arranged above the side wall, the bottom plate is arranged below the side wall, and the top plate and the bottom plate are both connected with the side wall; the first transverse plate, the second transverse plate, the first longitudinal plate, the second longitudinal plate, the top plate and the bottom plate define the accommodating cavity.
In some embodiments, a first door frame is disposed on the first cross plate; the integrated power supply system adopting the flywheel for energy storage further comprises a first door body, the first door body is arranged on the first door frame in an openable and closable manner, and a first shutter is arranged at the lower part of the first door body.
In some embodiments, the energy storage converter comprises a first sub energy storage converter and a second sub energy storage converter, and the first sub energy storage converter and the second sub energy storage converter are both close to the first door body; a first air outlet is formed in one end, close to the first sub energy storage converter, of the first longitudinal plate, and a second air outlet is formed in one end, close to the second sub energy storage converter, of the second longitudinal plate; the top of the first sub energy storage converter is provided with a first vent hole, and the top of the second sub energy storage converter is provided with a second vent hole; adopt the integrated form power supply system of flywheel energy storage still includes first return bend and the second return bend of folding, the one end of first return bend with first ventilation hole intercommunication, the other end of first return bend with first air outlet intercommunication, the one end of the second return bend with second ventilation hole intercommunication, the other end of the second return bend with the second air outlet intercommunication.
In some embodiments, a first base is disposed on the base plate, the first base being disposed within the energy storage converter chamber, the energy storage converter being mounted on the first base.
In some embodiments, the control device is disposed proximate to the second longitudinal plate and the separator plate; the number of the flywheel energy storage devices is four, two flywheel energy storage devices are close to the second longitudinal plate, two flywheel energy storage devices and the control device are arranged in the extending direction of the second longitudinal plate, and the other two flywheel energy storage devices are close to the second transverse plate and are arranged in the extending direction of the second transverse plate.
In some embodiments, a second base is disposed on the base plate, the second base being disposed within the flywheel chamber, the control device being mounted on the second base; the bottom plate is provided with a third base, the third base is arranged in the flywheel chamber, and the flywheel energy storage equipment is installed on the third base.
In some embodiments, a fourth pedestal is disposed on the base plate, the fourth pedestal being disposed within the flywheel chamber and proximate to the first longitudinal plate and the isolation plate; the integrated power supply system adopting the flywheel for energy storage further comprises air conditioning equipment, and the air conditioning equipment is installed on the fourth base.
In some embodiments, a portion of the first longitudinal plate corresponding to the air conditioning device is provided with a second louver and an air inlet channel, and the air inlet channel is arranged below the second louver.
In some embodiments, a second door frame is disposed on the isolation plate; the integrated power supply system adopting the flywheel for energy storage further comprises a second door body, and the second door body is arranged on the second door frame in an openable and closable manner.
In some embodiments, a third door frame is disposed on the second cross plate; the integrated power supply system adopting the flywheel for energy storage further comprises a third door body, and the third door body is arranged on the third door frame in an openable and closable manner.
In some embodiments, the integrated power supply system using flywheel energy storage further includes: a first lighting device disposed within the energy storage converter chamber; a second lighting device disposed within the flywheel chamber.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an integrated power supply system using flywheel energy storage according to an embodiment of the present invention;
fig. 2 is a schematic top view of an integrated power supply system using flywheel energy storage according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an integrated power supply system using flywheel energy storage according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a heat dissipation manner of an energy storage converter chamber according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an air inlet and outlet passage of a flywheel housing according to an embodiment of the present invention.
Reference numerals:
an integrated power supply system 100 using flywheel energy storage;
an equipment box 1; an energy storage converter 2; a flywheel energy storage device 3; a control device 4;
a case 10; a housing chamber 11; a separator 12; an energy storage converter chamber 13; a flywheel chamber 14;
a first transverse plate 101; a second cross plate 102; a first vertical plate 103; a second longitudinal plate 104; a top plate 105; a base plate 106;
a first door body 5; a first louver 50; a first sub energy storage converter 21; a second sub energy storage converter 22; a first bent pipe 6; a second bent pipe 7; a first base 15; an air conditioning device 8; a second louver 51; an air intake passage 52; a second door body 9; and a third door body 20.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
In order to solve the above problem, an integrated power supply system using flywheel energy storage according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1 and fig. 2, the integrated power supply system 100 using flywheel energy storage includes an equipment box 1, an energy storage converter 2, a flywheel energy storage device 3, and a control device 4.
The equipment box 1 comprises a box body 10, the box body 10 defines a containing cavity 11, a partition plate 12 is arranged in the containing cavity 11, and the containing cavity 11 is divided into an energy storage converter chamber 13 and a flywheel chamber 14 by the partition plate 12; the energy storage converter 2 is arranged in the energy storage converter chamber 13 and is suitable for being connected with a power grid; the flywheel energy storage device 3 is arranged in the flywheel chamber 14 and is connected with the energy storage converter 2; the control device 4 is arranged in the flywheel chamber 14, is respectively connected with the energy storage converter 2 and the flywheel energy storage device 3, and is used for acquiring the power grid frequency and controlling the running states of the energy storage converter 2 and the flywheel energy storage device 3 according to the change of the power grid frequency.
In an embodiment, the equipment cabinet 1 may be a container. Through setting up energy storage converter 2, flywheel energy storage equipment 3 and controlgear 4 in box 10, can effectively protect energy storage converter 2, flywheel energy storage equipment 3 and controlgear 4, can avoid the interference of external foreign matter, can guarantee the stability of the integrated form power supply system 100 who adopts the flywheel energy storage, equipment box 1 is convenient for transport in addition, can improve the application flexibility of the integrated form power supply system 100 who adopts the flywheel energy storage, avoids receiving the restriction in application place.
And the energy storage converter 2, the flywheel energy storage device 3 and the control device 4 are reliably connected according to an electrical scheme, and the bottom of the isolation plate 12 is provided with a cable hole. Specifically, inside the box 10, that is, in the accommodating cavity 11, the dc side of the energy storage converter 2 is connected with the flywheel energy storage device 3 through a power cable, that is, the dc side positive busbar of the energy storage converter 2 is connected with the positive terminal of the flywheel energy storage device 3 through a cable, and the dc side negative busbar of the energy storage converter 2 is connected with the negative terminal of the flywheel energy storage device 3 through a cable; the energy storage converter 2 is provided with an auxiliary power interface, which is respectively connected with the flywheel energy storage device 3 and the control device 4, so as to ensure the normal operation of each unit of the integrated power supply system 100 adopting the flywheel energy storage.
It should be noted that the flywheel energy storage device 3 adopts an electromechanical energy conversion and storage technology, is mainly composed of an inertia wheel with large rotational inertia and high rotation speed, and can absorb and release electric energy according to the actual demand of the power grid. And the flywheel energy storage device 3 utilizes flywheel energy storage to replace chemical battery energy storage, and uses an energy storage mode of electromechanical energy conversion, so that the limitation of the chemical battery can be broken through, and energy storage is realized in a physical mode. The flywheel energy storage device 3 has the following advantages: (1) high safety: the system adopts a pure physical energy storage mode, adopts an active magnetic suspension bearing and a control technology, is transparent in state, and is safe and reliable; (2) the service life is long: the core component flywheel body is made of aerospace-grade alloy steel materials, and the materials are high in density, high in strength, high-temperature resistant and strong in fatigue resistance; (3) no fire hazard: the flywheel energy storage equipment 3 adopts a standard cabinet design, and parts mainly comprise mechanical parts and sheet metal parts and are free of chemical materials; (4) no pollution and recovery: the manufacturing, using and recovering links have no chemical materials or chemical reactions, and the environment is protected. From this, the utility model discloses a flywheel energy storage equipment 3 replaces battery energy storage equipment, safe and reliable to utilize flywheel energy storage equipment 3's pure physics energy storage mode, restrict electric wire netting frequency's change, make electric wire netting frequency maintain stably, thereby satisfy virtual inertia response support and primary control's index requirement.
The working principle of the integrated power supply system 100 using flywheel energy storage according to the present invention is described in detail with reference to fig. 3, as shown in fig. 3, when the flywheel energy storage device 3 is in a charging state, the energy storage converter 2 is correspondingly in a rectifier state, so as to convert the ac power input by the power grid into dc power, so that the flywheel energy storage device 3 stores energy; when the flywheel energy storage device 3 is in a discharge state, the energy storage converter 2 is correspondingly in an inverter state, so that the flywheel energy storage device 3 releases energy, and direct current is converted into alternating current to be fed back to an external system. Thus, the integrated power supply system 100 using flywheel energy storage realizes bidirectional flow of ac and dc energy by using a highly reliable and intelligent power module and by using a charging and discharging integrated design.
Based on the principle, in practical application, the integrated power supply system 100 adopting flywheel energy storage can be arranged in a wind power plant, the alternating current side of the energy storage converter 2 is connected to a power grid, namely the energy storage converter 2 is used as a flexible interface of the flywheel energy storage device 3 and the power grid, and the alternating current side busbar of the energy storage converter 2 is connected to a booster box transformer of the wind power plant through a power cable and is connected to the power grid through the booster box transformer; the control device 4 collects the power grid frequency in real time, and controls the power output of the flywheel energy storage device 3 according to the change of the power grid frequency so as to stabilize the power grid frequency. Specifically, when the control device 4 detects that the frequency of the power grid rises, in order to absorb electric energy from the power grid, the control device 4 controls the flywheel energy storage device 3 to be in a charging state, and the energy storage converter 2 is in a rectifier state correspondingly, and converts alternating current input by the power grid into direct current for energy storage, so that the active power of the power grid is reduced, and the frequency of the power grid is kept stable; when the control device 4 detects that the frequency of the power grid is reduced, in order to release electric energy to the power grid, the control device 4 controls the flywheel energy storage device 3 to be in a discharge state, and the energy storage converter 2 is in an inverter state correspondingly, the energy released by the flywheel energy storage device 3 is converted from direct current into alternating current to be fed back to an external system, so that the active power of the power grid is increased, and the frequency of the power grid is maintained stable. Therefore, virtual inertia response support and primary frequency modulation are achieved by the flywheel energy storage device 3, the change of the power grid frequency is limited, the power grid frequency is kept stable, and the safety, the economic operation of a power system and the safety of users are guaranteed.
According to the utility model discloses an adopt integrated form power supply system 100 of flywheel energy storage, with energy storage converter 2, flywheel energy storage equipment 3 and controlgear 4 all set up in the equipment box, the on-the-spot arrangement of being convenient for, based on energy storage converter 2, flywheel energy storage equipment 3 and controlgear 4's framework can realize the release or the absorption to the electric energy, make electric wire netting frequency maintain stably, thereby satisfy virtual inertia response support and primary control's index requirement, and, through setting up flywheel energy storage equipment 3, can adopt the mode of pure physics energy storage, at equipment manufacturing, use and retrieve the link and do not have any chemical material and chemical reaction, can show the reliability that improves the power supply, improve power supply guarantee efficiency, safety and reliability.
In some embodiments, as shown in fig. 1 and 2, the box body 10 includes a first transverse plate 101, a second transverse plate 102, a first longitudinal plate 103 and a second longitudinal plate 104, wherein the first transverse plate 101, the first longitudinal plate 103, the second transverse plate 102 and the second longitudinal plate 104 are sequentially connected to form a side wall; and, the box 10 further includes a top plate 105 (not shown) and a bottom plate 106, the top plate 105 being disposed above the side walls, the bottom plate 106 being disposed below the side walls, the top plate 105 and the bottom plate 106 being connected to the side walls; the first transverse plate 101, the second transverse plate 102, the first longitudinal plate 103, the second longitudinal plate 104, the top plate 105 and the bottom plate 106 define the accommodating chamber 11. Therefore, the energy storage converter 2, the flywheel energy storage device 3 and the control device 4 are protected.
In some embodiments, a first door frame is disposed on the first horizontal plate 101, and, as shown in fig. 2, the integrated power supply system 100 using flywheel energy storage further includes a first door body 5, and the first door body 5 is openably and closably disposed on the first door frame, so that a relevant person can enter into operation or maintenance. The first door body 5 may be a single door. As shown in fig. 4, a first louver 50 is provided at a lower portion of the first door body 5.
In some embodiments, as shown in fig. 2, the energy storing converter 2 comprises a first sub energy storing converter 21 and a second sub energy storing converter 22.
In order to facilitate the relevant personnel to carry the equipment at the first door body 5, the first sub energy storage converter 21 and the second sub energy storage converter 22 may be arranged close to the first door body 5.
As shown in fig. 4, a first air outlet is arranged at one end of the first vertical plate 103 close to the first sub energy storage converter 21, and a second air outlet is arranged at one end of the second vertical plate 104 close to the second sub energy storage converter 22; the top of the first sub energy storage converter 21 is provided with a first vent hole, and the top of the second sub energy storage converter 22 is provided with a second vent hole; the integrated power supply system 100 adopting the flywheel for energy storage further comprises a first bent pipe 6 and a second bent pipe 7, one end of the first bent pipe 6 is communicated with the first air vent, the other end of the first bent pipe 6 is communicated with the first air outlet, one end of the second bent pipe 7 is communicated with the second air vent, and the other end of the second bent pipe 7 is communicated with the second air outlet. From this, based on first shutter 50 that the lower part of first door body 5 set up, form business turn over wind passageway in energy storage converter room 13, energy storage converter 2 adopts the radiating mode that the air-out was pushed up to the wind that advances, regard as inlet channel by first shutter 50 promptly, make in cold air can get into energy storage converter 2 through first shutter 50, and all regard as the air-out passageway by first bend pipe 6 and second bend pipe 7, make the hot-air in energy storage converter 2 can distribute away, realize the circulation of the cold and hot air in energy storage converter 2, make energy storage converter 2 can dispel the heat better. The energy storage converter 2 adopts a forced air cooling mode.
The first bent pipe 6 and the second bent pipe 7 may be formed by bending galvanized steel sheets.
In some embodiments, as shown in fig. 4, a first base 15 is disposed on the bottom plate 106, the first base 15 is disposed in the energy storage converter chamber 13, and the energy storage converter 2 is mounted on the first base 15. For example, the energy storage converter 2 is installed in the energy storage converter chamber 13 in a vertical cabinet type, a first base 15 is arranged on the bottom plate 106 corresponding to the energy storage converter chamber 13, and the first base 15 is fixed with the bottom plate 106 through a 12.9-level high-strength bolt; the energy storage converter 2 is mounted on a first base 15 and is secured by 12.9 grade high strength bolts. Therefore, the fixing function is achieved, damage caused by sliding of the energy storage converter 2 during carrying is avoided, the energy storage converter 2 is prevented from being in contact with the bottom plate 106, and the phenomenon that the internal circuit of the energy storage converter 2 is affected with damp is prevented.
In addition, a cable inlet and outlet hole is reserved on the bottom plate 106 of the energy storage converter 2 corresponding to the bottom area, so that cable connection is facilitated.
In some embodiments, as shown in FIG. 2, the control device 4 is disposed proximate the second longitudinal plate 104 and the separator plate 12.
And, for the integrated form power supply system 100 that guarantees to adopt the flywheel energy storage both can save sufficient electric energy, can release sufficient electric energy again, the utility model discloses can adopt the flywheel array energy storage equipment of parallelly connected constitution with many modular flywheel energy storage equipment 3. As shown in fig. 2, there may be four flywheel energy storage devices 3, where two flywheel energy storage devices 3 are disposed near the second longitudinal plate 104, two flywheel energy storage devices 3 and the control device 4 are arranged along the extending direction of the second longitudinal plate 104, and the other two flywheel energy storage devices 3 are disposed near the second transverse plate 102 and are arranged along the extending direction of the second transverse plate 102. With this mode of setting, both can make things convenient for relevant personnel haulage equipment, can make full use of the space in the equipment box 1 again for there is enough space for relevant personnel to get into to handle or maintain, also makes between the equipment not too crowded, leads to influencing the heat dissipation.
In some embodiments, a second base is provided on the base plate 106, the second base being provided within the flywheel chamber 14, the control device 4 being mounted on the second base; and a third base is arranged on the bottom plate 106, the third base is arranged in the flywheel chamber 14, and the flywheel energy storage device 3 is installed on the third base. For example, the flywheel energy storage device 3 and the control device 4 are installed in the flywheel chamber 14 in a vertical cabinet type, a second base and a third base are arranged on the bottom plate 106 corresponding to the flywheel chamber 14, and each base is fixed with the bottom plate 106 through a 12.9-grade high-strength bolt; the flywheel energy storage device 3 is arranged on the third base and is fixed through a 12.9-grade high-strength bolt; the control device 4 is mounted on a second base and is fixed by 12.9 grade high strength bolts. Therefore, the fixing function is achieved, the damage to the equipment caused by the sliding of the equipment during carrying is avoided, the equipment can be prevented from being in contact with the bottom plate 106, and the phenomenon that the internal circuit of the equipment is affected with damp is prevented.
In some embodiments, a fourth pedestal is disposed on the floor 106, and is disposed within the flywheel compartment 14 proximate to the first longitudinal plate 103 and the isolation plate 12. And, as shown in fig. 2, the integrated power supply system 100 using flywheel energy storage further includes an air conditioner 8, and the air conditioner 8 is mounted on the fourth base. Therefore, the air conditioning equipment 8 can be cooled and dissipated, the air conditioning equipment 8 is arranged in the flywheel chamber 14, the air conditioning equipment 8 can be conveniently dissipated heat of the control equipment 4 and the flywheel energy storage equipment 3 at the same time, and therefore the control equipment 4 and the flywheel energy storage equipment 3 can work normally for a long time. The air conditioner 8 is fixed to a fourth base, for example, the air conditioner 8 is installed in the flywheel room 14 in a vertical cabinet type, the fourth base is provided on the bottom plate 106 corresponding to the flywheel room 14, and the fourth base is fixed to the bottom plate 106 through a 12.9-grade high-strength bolt; air conditioning equipment 8 is installed on the fourth base to fix through 12.9 level high strength bolt, thus, both can avoid when the transport taking place to slide the equipment that causes and damage, can avoid equipment and bottom plate 106 contact again, thereby prevent the condition that equipment internal circuit from weing.
In some embodiments, as shown in fig. 5, a portion of the first vertical plate 103 corresponding to the air conditioner 8 is provided with a second louver 51 and an air intake channel 52, and the air intake channel 52 is disposed below the second louver 51. That is, an air inlet and outlet channel for external circulation of the air conditioner is disposed at the first vertical plate 103 corresponding to the air conditioner 8, so as to realize circulation of cold and hot air in the air conditioner 8, and enable the air conditioner 8 to dissipate heat better.
The air intake channel 52 may be formed by bending a galvanized steel sheet.
In some embodiments, the isolation plate 12 is provided with a second door frame, and, as shown in fig. 2, the integrated power supply system 100 using flywheel energy storage further includes a second door 9, and the second door 9 is openably and closably provided on the second door frame, so that when the second door 9 is closed, the devices in the energy storage converter chamber 13 can be separated from the devices in the flywheel chamber 14, and mutual interference between the devices can be avoided; and when the second door body 9 is opened, the energy storage converter chamber 13 and the flywheel chamber 14 can be communicated, so that the related personnel can conveniently operate or maintain. The second door 9 may be a single door.
In some embodiments, a third door frame is disposed on the second cross plate 102, and as shown in fig. 2, the integrated power supply system 100 using flywheel energy storage further includes a third door body 20, and the third door body 20 is openably and closably disposed on the third door frame, so that the relevant person can carry the equipment at the third door body 20. The third door body 20 may be a double door.
In some embodiments, the integrated power supply system 100 using flywheel energy storage further includes a first lighting device and a second lighting device for lighting to facilitate operation by the relevant personnel. Wherein, the first lighting device is arranged in the energy storage converter chamber 13; the second lighting device is arranged in the flywheel compartment 14.
In addition, the first lighting device and the second lighting device are connected to an auxiliary power supply interface of the energy storage converter 2, so that the normal operation of the device is ensured.
In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. An integrated power supply system using flywheel energy storage, comprising:
the equipment box comprises a box body, the box body defines a containing cavity, an isolating plate is arranged in the containing cavity, and the containing cavity is divided into an energy storage converter chamber and a flywheel chamber by the isolating plate;
the energy storage converter is arranged in the energy storage converter chamber and is suitable for being connected with a power grid;
the flywheel energy storage equipment is arranged in the flywheel chamber and is connected with the energy storage converter;
and the control equipment is arranged in the flywheel chamber, is respectively connected with the energy storage converter and the flywheel energy storage equipment, is used for acquiring the power grid frequency and controls the running states of the energy storage converter and the flywheel energy storage equipment according to the change of the power grid frequency.
2. The integrated power supply system using flywheel energy storage according to claim 1, wherein the case comprises:
the first transverse plate, the first longitudinal plate, the second transverse plate and the second longitudinal plate are sequentially connected to form a side wall;
the top plate is arranged above the side wall, the bottom plate is arranged below the side wall, and the top plate and the bottom plate are both connected with the side wall;
the first transverse plate, the second transverse plate, the first longitudinal plate, the second longitudinal plate, the top plate and the bottom plate define the accommodating cavity.
3. The integrated power supply system using flywheel energy storage according to claim 2,
a first door frame is arranged on the first transverse plate;
the integrated power supply system adopting the flywheel for energy storage further comprises a first door body, the first door body is arranged on the first door frame in an openable and closable manner, and a first shutter is arranged at the lower part of the first door body.
4. The integrated power supply system using flywheel energy storage according to claim 3,
the energy storage converter comprises a first sub energy storage converter and a second sub energy storage converter, and the first sub energy storage converter and the second sub energy storage converter are close to the first door body;
a first air outlet is formed in one end, close to the first sub energy storage converter, of the first longitudinal plate, and a second air outlet is formed in one end, close to the second sub energy storage converter, of the second longitudinal plate;
the top of the first sub energy storage converter is provided with a first vent hole, and the top of the second sub energy storage converter is provided with a second vent hole;
adopt the integrated form power supply system of flywheel energy storage still includes first return bend and the second return bend of folding, the one end of first return bend with first ventilation hole intercommunication, the other end of first return bend with first air outlet intercommunication, the one end of the second return bend with second ventilation hole intercommunication, the other end of the second return bend with the second air outlet intercommunication.
5. The integrated power supply system using flywheel energy storage according to claim 2,
the energy storage converter is characterized in that a first base is arranged on the bottom plate, the first base is arranged in the energy storage converter chamber, and the energy storage converter is arranged on the first base.
6. The integrated power supply system using flywheel energy storage according to claim 2,
the control equipment is arranged close to the second longitudinal plate and the isolation plate;
the number of the flywheel energy storage devices is four, two flywheel energy storage devices are close to the second longitudinal plate, two flywheel energy storage devices and the control device are arranged in the extending direction of the second longitudinal plate, and the other two flywheel energy storage devices are close to the second transverse plate and are arranged in the extending direction of the second transverse plate.
7. The integrated power supply system using flywheel energy storage according to claim 2,
a second base is arranged on the bottom plate, the second base is arranged in the flywheel chamber, and the control equipment is arranged on the second base;
the bottom plate is provided with a third base, the third base is arranged in the flywheel chamber, and the flywheel energy storage equipment is installed on the third base.
8. The integrated power supply system using flywheel energy storage according to claim 2,
a fourth base is arranged on the bottom plate, is arranged in the flywheel chamber and is close to the first longitudinal plate and the isolation plate;
the integrated power supply system adopting the flywheel for energy storage further comprises air conditioning equipment, and the air conditioning equipment is installed on the fourth base.
9. The integrated power supply system using flywheel energy storage according to claim 8,
the part of the first longitudinal plate corresponding to the air conditioning equipment is provided with a second shutter and an air inlet channel, and the air inlet channel is arranged below the second shutter.
10. The integrated power supply system using flywheel energy storage according to claim 1,
a second door frame is arranged on the isolation plate;
the integrated power supply system adopting the flywheel for energy storage further comprises a second door body, and the second door body is arranged on the second door frame in an openable and closable manner.
11. The integrated power supply system using flywheel energy storage according to claim 2,
a third door frame is arranged on the second transverse plate;
the integrated power supply system adopting the flywheel for energy storage further comprises a third door body, and the third door body is arranged on the third door frame in an openable and closable manner.
12. The flywheel energy storage integrated power supply system of claim 1, further comprising:
a first lighting device disposed within the energy storage converter chamber;
a second lighting device disposed within the flywheel chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120352618.XU CN212784783U (en) | 2021-02-08 | 2021-02-08 | Integrated power supply system adopting flywheel for energy storage |
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| CN202120352618.XU CN212784783U (en) | 2021-02-08 | 2021-02-08 | Integrated power supply system adopting flywheel for energy storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118073A (en) * | 2022-08-29 | 2022-09-27 | 沈阳微控新能源技术有限公司 | Flywheel energy storage container of drilling system and drilling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118073A (en) * | 2022-08-29 | 2022-09-27 | 沈阳微控新能源技术有限公司 | Flywheel energy storage container of drilling system and drilling system |
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