CN220273328U - Marshalling series-parallel wheel rail energy storage system - Google Patents
Marshalling series-parallel wheel rail energy storage system Download PDFInfo
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- CN220273328U CN220273328U CN202321072542.0U CN202321072542U CN220273328U CN 220273328 U CN220273328 U CN 220273328U CN 202321072542 U CN202321072542 U CN 202321072542U CN 220273328 U CN220273328 U CN 220273328U
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Abstract
The utility model provides a marshalling series-parallel wheel-rail energy storage system, which comprises a vehicle body, a rail, racks and a generator, wherein the number of the vehicle body is more than two, and the vehicle bodies are mutually connected in series; the track is arranged on a road section with a height difference, and the vehicle body can walk on the track; the rack is arranged close to the track; the generator is arranged on the vehicle body and is connected with an input gear through a speed change mechanism; when the vehicle body descends, the vehicle body walks along the track under the action of dead weight, the input gear is meshed with the rack, and the generator is driven by the speed change mechanism to generate electricity; when the vehicle body is ascending, the generator is a motor function, and the vehicle body is driven to ascend through the meshing of the input gear and the rack. In the utility model, the energy storage effect is achieved by consuming electricity on the uphill, and the energy is released by generating electricity on the downhill, so that the process is safe and environment-friendly, does not occupy effective resources, can be regulated at any time according to the electricity consumption condition, and is very flexible and effective.
Description
Technical Field
The utility model relates to the technical field of energy storage, in particular to an energy storage system of a grouping series-parallel wheel track.
Background
At present, new energy fields are emerging, and various new energy layers are endless, such as hydropower, wind power, photoelectricity, biological power generation and the like. But new energy power generation relates to grid connection, current impact can occur due to different heights, and the power consumption unbalance requirement of wave crests and wave troughs cannot be met. In the prior art, a power grid is used for adjusting wave crest and wave trough and a large new energy power station, and a certain-scale energy storage system is required to be equipped. After the service is expired, a large number of storage batteries are difficult to be subjected to innocent treatment in the traditional storage battery energy storage mode, and environmental protection is left endangered; the prior main technology is water pumping, water storage and energy storage, but the engineering period is long, the occupied area is large, and the engineering is limited by water sources, especially the climate in northwest areas is generally lack of water, and the water pumping and energy storage are not easy to realize. In addition, a gravity energy storage technology is adopted, a large number of heavy objects need to be lifted by a structure with a certain height, on one hand, the structure cannot be built too high, and generally the height is not more than 150 meters, on the other hand, the problem that the head weight and the foot weight are light when a large number of heavy objects are stored above the high structure can be caused, the requirement on the structure strength is very high, a large number of steel structures are required to be reinforced, and if a large wind or a small earthquake is encountered, the whole collapse can be caused, and huge loss is caused.
Therefore, how to realize large-scale energy storage in an environment-friendly and safe way and flexibly adjust the energy storage and release of the electricity used by the wave crest and the wave trough is a technical problem which needs to be solved at present.
Disclosure of Invention
The utility model aims to overcome at least one defect of the prior art, and provides a grouping series-parallel wheel track energy storage system which can realize large-scale energy storage in an environment-friendly and safe manner and can flexibly adjust the electricity consumption of wave crests and wave troughs for energy storage and release.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
according to one aspect of the present utility model, there is provided a group parallel-serial wheel rail energy storage system comprising:
the number of the car bodies is more than two, and the car bodies are mutually connected in series;
the track is arranged on a road section with a height difference, and the vehicle body can walk on the track;
the rack is arranged close to the track;
the generator is arranged on the vehicle body and is connected with an input gear through a speed change mechanism;
when the vehicle body descends, the vehicle body walks along the track under the action of dead weight, the input gear is meshed with the rack, and the generator is driven by the speed change mechanism to generate electricity; when the vehicle body is ascending, the generator is in a motor function, and the vehicle body is driven to ascend through the engagement of the input gear and the rack.
According to one embodiment of the utility model, a rotatable connecting mechanism is arranged between any two of the vehicle bodies so as to adapt to the change of the gradient of the vehicle bodies during walking.
According to one embodiment of the utility model, the track comprises a rail and a tie plate attached to a lower portion of the rail.
According to one embodiment of the utility model, the connection plate is connected with an embedded plate, and the embedded plate is embedded in the foundation under the track.
According to an embodiment of the utility model, an abutment is fixedly arranged in the foundation between the plates, and the abutment abuts against the plates in the upward direction.
According to one embodiment of the utility model, the abutting piece is an upright I-steel.
According to one embodiment of the present utility model, a gap for thermal expansion and cold contraction is provided between the abutting member and the connection plate in the downhill direction.
According to one embodiment of the utility model, the generator is electrically connected to a power transmission substation through a cable, and the substation is located between an upper parking lot and a lower parking lot.
According to one embodiment of the utility model, the upper end of the rail is provided with a parking lot, the parking lot is positioned at the top of a slope or at a mountain, and the rail extends to the top of the slope or the mountain.
According to one embodiment of the utility model, the lower end of the rail is provided with a parking lot, the parking lot is positioned at the bottom of the slope, and the rail extends to the bottom of the slope.
According to the technical scheme, the grouping series-parallel wheel-rail energy storage system has the advantages and positive effects that:
in the utility model, the energy storage effect is achieved by consuming electricity on an ascending slope, and the energy is released by generating electricity on a descending slope, so that the process is safe and environment-friendly, does not occupy effective resources, can realize large-scale energy storage, can be regulated at any time according to the electricity consumption condition, and is very flexible and effective.
Drawings
Various objects, features and advantages of the present utility model will become more apparent from the following detailed description of the preferred embodiments of the utility model, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the utility model and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout. Wherein:
fig. 1 is a schematic diagram illustrating a first perspective view of an application state of a group parallel-serial wheel-rail energy storage system according to the present utility model in an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a second perspective view of an application state of the grouped parallel wheel-rail energy storage system according to the present utility model in an exemplary embodiment.
Fig. 3 is a schematic view illustrating a first view of a local application state of the grouped parallel wheel track energy storage system according to the present utility model in an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating a second view of a local application state of the grouped series-parallel wheel-rail energy storage system according to the present utility model in an exemplary embodiment.
Fig. 5 is a schematic diagram of a first perspective view of a modular series-parallel wheel-rail energy storage system mounting structure of the present utility model, as shown in an exemplary embodiment.
Fig. 6 is a schematic diagram of a second perspective view of the present utility model of a ganged series-parallel wheel-rail energy storage system mounting structure in an exemplary embodiment.
Fig. 7 is a schematic diagram of a first perspective view of a track laying structure in a combined serial wheel and rail energy storage system of the present utility model, shown in an exemplary embodiment.
Fig. 8 is a second schematic view of the track laying structure in the group parallel wheel track energy storage system of the present utility model, shown in an exemplary embodiment.
Description of the figure:
1. a slope body; 10. a foundation; 11. a slope roof; 12. slope land; 2. a track; 3. a vehicle body; 31. a wheel; 32. a connecting mechanism; 4. a generator; 40. a power transmission and transformation station; 5. a rack; 6. an input gear; 7. a speed change mechanism; 8. a connecting plate; 81. embedding a plate; 9. an abutment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
In the following description of different examples of the utility model, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration different exemplary structures, systems, and steps in which aspects of the utility model may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present utility model. Moreover, although the terms "top," "bottom," "front," "rear," "side," and the like may be used herein to describe various example features and elements of the utility model, these terms are used herein for convenience only, e.g., according to the orientation of the examples depicted in the figures. Nothing in this specification should be construed as requiring a particular three-dimensional orientation of the structure in order to fall within the scope of the utility model.
Fig. 1 is a schematic diagram illustrating a first perspective view of an application state of a group parallel-serial wheel-rail energy storage system according to the present utility model in an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a second perspective view of an application state of the grouped parallel wheel-rail energy storage system according to the present utility model in an exemplary embodiment.
Fig. 3 is a schematic view illustrating a first view of a local application state of the grouped parallel wheel track energy storage system according to the present utility model in an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating a second view of a local application state of the grouped series-parallel wheel-rail energy storage system according to the present utility model in an exemplary embodiment.
Fig. 5 is a schematic diagram of a first perspective view of a modular series-parallel wheel-rail energy storage system mounting structure of the present utility model, as shown in an exemplary embodiment.
Fig. 6 is a schematic diagram of a second perspective view of the present utility model of a ganged series-parallel wheel-rail energy storage system mounting structure in an exemplary embodiment.
Fig. 7 is a schematic diagram of a first perspective view of a track laying structure in a combined serial wheel and rail energy storage system of the present utility model, shown in an exemplary embodiment.
Fig. 8 is a second schematic view of the track laying structure in the group parallel wheel track energy storage system of the present utility model, shown in an exemplary embodiment.
As shown in fig. 1 to 8, according to an aspect of the present utility model, there is provided a grouping series-parallel wheel-rail energy storage system including a vehicle body 3, a rail 2, a rack 5, and a generator 4. The vehicle body 3 is an energy storage main body, and the conversion between electric energy and potential energy is realized through the position change of the vehicle body on the slope body 1, so that the storage and release of electric energy are realized. The track 2 is arranged on the slope 1 for the running of the car body 3. The rack 5 is fixedly arranged and used for converting electric energy, mechanical energy and potential energy, and the generator 4 is matched with the rack 5 to realize the conversion of the energy.
In this embodiment, the number of the vehicle bodies 3 is more than two, and the vehicle bodies are connected in series. A generator 4 is provided in a series of vehicle bodies 3, or a plurality of generators 4 may be provided as needed, or they may be provided one by one.
In the present embodiment, the track 2 is provided on a road section having a height difference, and the vehicle body 3 can travel on the track 2 by the engagement of the wheels 31 with the track 2. The road section of the height difference is a slope body 1, the slope body 1 comprises a slope top 11 and a slope bottom 12, a foundation 10 is arranged on the slope body 1, a track 2 is paved on the foundation 10, and the track 2 is arranged along the slope body 1 from the slope top 11 to the slope bottom 12.
In this embodiment, the rack 5 is disposed close to the rail 2 and is completely fixed, and no displacement occurs, and the tooth surface is upward.
In this embodiment, the generator 4 is disposed on the vehicle body 3, the generator 4 is connected to an input gear 6 through a speed change mechanism 7, the generator 4 may be one set or multiple sets, and according to the actual situation, the generator 4 is connected to the power transmission substation 40 through a cable, so as to realize electrical connection. The input gear 6 is in transmission connection with the generator 4 through a speed change mechanism 7, the speed change mechanism 7 comprises a gear meshing pair and a transmission shaft, and the speed change coefficient is determined according to actual needs.
In this embodiment, when the vehicle body 3 descends, the vehicle body travels along the track 2 under the action of self weight, the input gear 6 is meshed with the rack 5, and the generator 4 is driven by the speed change mechanism 7 to generate electricity, and the electricity is transmitted to the power transmission and transformation station 40 through a cable. When the vehicle body 3 is ascending, the generator 4 is a motor function, and is driven to rotate by electricity transmitted by the power transmission and transformation station 40, and the vehicle body 3 is driven to ascend along the track 2 through the engagement of the input gear 6 and the rack 5.
In this embodiment, a rotatable connection mechanism 32 is provided between any two of the vehicle bodies 3 to adapt to the change of the gradient when the vehicle body is walking, so that the string formed by the whole vehicle body 3 can adapt to the shape of the slope body 1.
In this embodiment, the track 2 includes a rail and a connecting plate 8, the connecting plate 8 is connected to the lower portion of the rail, and the connecting plate 8 and the rail may be any one of welding, riveting and screwing, or may be a cement precast slab.
In this embodiment, the connection board 8 is connected with the embedded board 81, the embedded board 81 is embedded in the foundation under the track, and the connection board 8 and the embedded board 81 can be connected in a threaded manner.
In this embodiment, the abutment members 9 are fixedly disposed in the foundation 10 between the connection plates 8, and the abutment members 9 abut against the connection plates 8 in the upward slope direction, so as to prevent the connection plates 8 from sliding down under the impact force of the vehicle body 3, and improve the safety.
In this embodiment, the abutting member 9 is an upright i-steel, so as to form a bottom beam structure, and the upright arrangement has higher rigidity and is not easy to deform under the action of impact force.
In this embodiment, a gap for thermal expansion and cold contraction is provided between the abutting member 9 and the connecting plate 8 in the downhill direction, so as to avoid the expansion and the cold contraction caused by the thermal expansion, and the two adjacent plates 8 are expanded to damage the track 2, thereby improving the safety.
In this embodiment, the generator 4 is electrically connected to the power transmission substation 40 through a cable, and the substation 40 is located between the upper parking lot and the lower parking lot, and this arrangement can reduce the length of the cable as much as possible and is centrally located.
In this embodiment, a parking lot is provided at the upper end of the track 2, the parking lot is located at the top 11 or the mountain, and the track 2 extends to the top 11 or the mountain. In another embodiment, the lower end of the track 2 has a parking lot, the parking lot is located at the slope bottom 12, and the track 2 extends to the slope bottom 12. In other embodiments, parking lots can be arranged on the slope top 11 and the slope bottom 12, and the parking lots are determined according to actual needs.
According to the technical scheme, the grouping series-parallel wheel-rail energy storage system in the embodiment has the advantages and positive effects that:
in this embodiment, when using the electric wave valley, electricity can be consumed through the uphill of the vehicle body 3, so as to achieve the energy storage function, and when using the electric wave peak, electricity can be generated through the downhill of the vehicle body 3, so that the electric energy is released, the functions of freely adjusting balance electricity consumption and electricity generation are achieved, and large-scale energy storage can be achieved. The process is safe and environment-friendly, does not occupy effective resources or adopt chemical action, can be regulated at any time according to electricity consumption conditions, and is very flexible and effective.
The embodiment mainly relies on the grouping series-parallel wheel track energy storage of mountain or pit, and the system principle is:
the method comprises the steps that a plurality of track platforms are respectively arranged at multiple positions of a mountain or a pit, each track platform comprises a high track platform for storing weight blocks arranged at the top and the secondary top, a plurality of inclined tracks are paved between the high track platform and the low track platform for storing the weight blocks arranged at the bottom of the mountain or the pit, and buffer slopes are arranged at the bottom of the mountain or the pit, the weight blocks are placed in train bodies on the tracks, and the weight blocks are grouped in a serial mode; under the condition of a mountain or pit with a wider field, the weight blocks can be mixed and grouped in a series-parallel mode, namely, a plurality of tracks are designed, and a plurality of strings are grouped and lifted or lowered at the same time so as to maximally utilize the field and realize a larger energy storage scale.
The weight blocks on the train body can be prepared by adopting extra heavy concrete, so that the energy storage energy density of the monomer device can be improved. The concrete method is to use the steel slag after ball milling or serpentine, magnetic (hematite) iron ore, limonite, heavy-crystal stone, gypsum powder, chromium mineral powder, galena and the like as the admixture of the concrete weight block. Wherein for the steel slag powder, the doping amount of the doped fine steel slag is controlled within 25%, the fine steel slag powder is effectively filled in concrete after being ground, and the fine steel slag powder is prepared by fine grinding and CO 2 Mineralizing and maintaining measures, improving the stability of the steel slag and improving the density of the steel slag heavy concrete.
Each track is correspondingly provided with a set of electric power lifting and generating device, and the electric power lifting and generating device is positioned on a single train body and realizes energy conversion when the train body goes up and down a slope. When the electric lifting device is driven by the gear rack to pull the train body to move upwards along the track, the power consumption lifts the gravity block to a certain height and stores the gravity block at a high place in a potential energy mode; when electric power is needed, the train body moves downwards along the track, the gear is rotated through the rack, and the power generation device is driven to generate power through the gearbox; the distribution and number of track platforms may be two, three or more.
For the safety of the system, a high-track platform is arranged on a gear transmission shaft and used as a parking device, and when a track train is braked emergently, electromagnetic braking acts on the transmission shaft to enable the train body to be decelerated until stopping, so that the response timeliness in the energy storage process is improved.
And a thick steel plate is welded below the steel rail of each platform at certain intervals, supporting piles are arranged below the thick steel plate, the supporting piles are pre-buried and fixed in the cement foundation below, and the thick steel plate and the supporting piles are connected and fixed through a plurality of bolts so as to prevent the rail from being lifted. I-steel is embedded in a cement foundation between every two thick steel plates below the track, and the I-steel abuts against the thick steel plates in the downhill direction, so that the track welded with the thick steel plates is prevented from sliding in the downhill direction; the thick steel plate is not propped against one side of the uphill, and a certain gap is reserved to prevent expansion caused by heat and contraction caused by cold.
The movable rotating shafts are adopted for connection between every two train bodies, so that the train bodies can be mutually pulled, and the road surface with a certain radian can be conveniently adapted.
The control system automatically allocates, up/down and schedules and moves on the platform according to the weight blocks of the control train body; the energy management system adjusts the electric and power generation devices in real time according to the power grid or user requirements through an artificial intelligent algorithm, and the whole intelligent operation of the facility energy storage and energy supply is realized.
The utility model relates to a grouping series-parallel wheel-rail energy storage system depending on a mountain or a pit, which comprises the steps of designing weight blocks into a rail train and grouping the weight blocks in a series connection mode, wherein a plurality of rail platforms, an electric lifting device, a potential energy conversion power generation device, an automatic control system and an energy management system are respectively arranged at a plurality of positions of the mountain or the pit; paving a plurality of inclined tracks between the platforms, wherein each track is provided with a set of electric power lifting and generating device; the automatic control system controls the weight car body to be allocated, up/down and scheduled and moved on the platform according to the weight car body; the energy management system adjusts the electric and power generation devices in real time according to the power grid or user requirements through an artificial intelligent algorithm, and the whole intelligent operation of the facility energy storage and energy supply is realized.
Under the condition of a mountain or pit with a wider field, the weight blocks can be mixed and grouped in a series-parallel mode, namely, a plurality of tracks are designed, and a plurality of strings are grouped and lifted or lowered at the same time so as to maximally utilize the field and realize a larger energy storage scale.
An electromagnetic braking type parking device is arranged on a transmission shaft of the power system, when the rail train is braked emergently, electromagnetic braking acts on the transmission shaft, so that the train is decelerated until stopping, and the response timeliness is improved in the energy storage process.
A thick steel plate is welded below each platform steel rail at intervals, supporting piles are arranged below the thick steel plates, the supporting piles are pre-buried and fixed in a cement foundation below, and the thick steel plates are fixedly connected with the supporting piles through a plurality of bolts.
I-steel is embedded in a cement foundation between every two thick steel plates below the track, and the I-steel abuts against the thick steel plates in the downhill direction, so that the track welded with the thick steel plates is prevented from sliding in the downhill direction; the thick steel plate is not propped against one side of the uphill, and a certain gap is reserved to prevent expansion caused by heat and contraction caused by cold. The train bodies where every two weight blocks are positioned are connected by adopting a rotating shaft, so that the device is convenient for adapting to a curved road surface.
According to the utility model, the weight block car body adopts wheel rail transfer in the lifting and descending processes, only rolling friction is involved, the stacking process in other gravity energy storage facilities is eliminated, and the energy efficiency is higher; each weight block adopts a string design, the size is easy to control, the transportation is convenient, the flexibility is strong, the cost is low, and the power grid can be flexibly regulated according to the energy storage peak regulation requirement.
It will be appreciated by persons skilled in the art that the particular structures and processes shown in the above detailed description are illustrative only and not limiting. Moreover, those skilled in the art to which the utility model pertains will appreciate that various features described above may be combined in any number of possible ways to form new embodiments, or that other modifications are within the scope of the utility model.
Claims (10)
1. A marshalling series-parallel wheel-rail energy storage system, comprising:
the number of the car bodies is more than two, and the car bodies are mutually connected in series;
the track is arranged on a road section with a height difference, and the vehicle body can walk on the track;
the rack is arranged close to the track;
the generator is arranged on the vehicle body and is connected with an input gear through a speed change mechanism;
when the vehicle body descends, the vehicle body walks along the track under the action of dead weight, the input gear is meshed with the rack, and the generator is driven by the speed change mechanism to generate electricity; when the vehicle body is ascending, the generator is in a motor function, and the vehicle body is driven to ascend through the engagement of the input gear and the rack.
2. The consist of series-parallel wheel track energy storage system of claim 1, wherein a rotatable connection mechanism is provided between any two of said bodies.
3. The consist parallel-series wheel rail energy storage system of claim 1, wherein the rail comprises a rail and a tie-plate, the tie-plate being connected to a lower portion of the rail.
4. The consist of series-parallel wheel track energy storage system of claim 3, wherein the connection plate connects pre-buried plates pre-buried in the foundation under the track.
5. The combined and serial wheel rail energy storage system according to claim 4, wherein an abutting piece is fixedly arranged in the foundation between the connection plates, and the abutting piece abuts against the connection plates in the ascending direction.
6. The grouped parallel-serial wheel rail energy storage system of claim 5, wherein the abutment is an upright i-steel.
7. The combined and serial wheel-rail energy storage system according to claim 5, wherein a gap for thermal expansion and cold contraction is arranged between the abutting piece and the connecting plate in the downhill direction.
8. The consist parallel-serial wheel rail energy storage system of claim 1, wherein the generator is electrically connected to a power transmission substation via a cable, the substation being located between an upper parking lot and a lower parking lot.
9. The consist parallel-serial wheel rail energy storage system of claim 1, wherein the track has a parking lot at an upper end thereof, the parking lot being located at a top of a hill or a mountain, the track extending to the top of the hill or the mountain.
10. The consist parallel-serial wheel rail energy storage system of claim 1, wherein the lower end of the track has a parking lot, the parking lot is located at the bottom of the slope, and the track extends to the bottom of the slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072542.0U CN220273328U (en) | 2023-05-06 | 2023-05-06 | Marshalling series-parallel wheel rail energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072542.0U CN220273328U (en) | 2023-05-06 | 2023-05-06 | Marshalling series-parallel wheel rail energy storage system |
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| CN220273328U true CN220273328U (en) | 2023-12-29 |
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| CN202321072542.0U Active CN220273328U (en) | 2023-05-06 | 2023-05-06 | Marshalling series-parallel wheel rail energy storage system |
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- 2023-05-06 CN CN202321072542.0U patent/CN220273328U/en active Active
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