CN117780580A - Gravitational potential energy power generation system - Google Patents
Gravitational potential energy power generation system Download PDFInfo
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- CN117780580A CN117780580A CN202410037243.6A CN202410037243A CN117780580A CN 117780580 A CN117780580 A CN 117780580A CN 202410037243 A CN202410037243 A CN 202410037243A CN 117780580 A CN117780580 A CN 117780580A
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- potential energy
- gravitational potential
- power generation
- vertical supporting
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- 238000010248 power generation Methods 0.000 title claims abstract description 43
- 238000005381 potential energy Methods 0.000 title claims abstract description 38
- 230000003134 recirculating effect Effects 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 abstract description 15
- 230000005484 gravity Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to the technical field of gravity energy storage, and particularly discloses a gravitational potential energy power generation system which comprises a vertical supporting device, a slidable weight, a power generation device and two annular tracks; the two annular tracks are respectively arranged on two opposite side walls of the vertical supporting device; two sides of the slidable weight are respectively connected with the annular tracks on the corresponding sides of the slidable weight and slide on the annular tracks; the power generation device is connected with the vertical supporting device and connected with the sliding weight in a descending state and is used for generating power by means of gravitational potential energy when the sliding weight descends. The gravitational potential energy power generation system can realize the sliding of the slidable weight by only consuming a little of externally input electric energy, does not need hoisting equipment such as a winch to move the weight back and forth for power generation, has the advantages of simple structure, low cost, strong operability and the like, and has larger flexibility according to local conditions.
Description
Technical Field
The invention belongs to the technical field of gravitational energy storage, and particularly relates to a gravitational potential energy power generation system.
Background
Gravity energy storage is a novel energy storage technology which is gradually developed in recent years, the principle is that potential energy formed by gravity is used for storing energy, and the gravity energy storage technology is gradually valued in the energy storage technology field all over the world due to the advantages of low development cost, economical operation and the like, and has been applied to a certain degree.
The existing gravity energy storage is mostly water pumping energy storage and gravity potential energy storage. The water pumping and energy storage requirements on site selection are high, an upstream reservoir and a downstream reservoir are required to be built, and the evaporation capacity of water is large, so that the application of the water pumping and energy storage type water storage device is limited. Gravitational potential energy storage is achieved by increasing the potential energy of the storage medium. The solid weight type gravity energy storage system mainly realizes energy storage by lifting or pulling up weights through mountain slopes, underground shafts, artificial buildings and the like.
Existing solid weight gravity energy storage systems typically utilize a hoist to stack Cheng Da concrete blocks and then utilize the lifting and dropping of the blocks for energy storage and release. However, the wind-resistant and wind-resistant device has the problems of structural risk, poor wind resistance, poor running stability, complex structure, high cost and the like due to the use of large equipment such as a winch and the like.
Disclosure of Invention
The utility model aims at providing a gravitational potential energy power generation system to solve the technical problems that the structure is complicated, the cost is high, the operation stability is poor that current solid heavy weight type gravity energy storage system exists.
The invention provides a gravitational potential energy power generation system, which comprises a vertical supporting device, a slidable weight, a power generation device and two annular tracks, wherein the vertical supporting device is connected with the power generation device;
the two annular tracks are respectively arranged on two opposite side walls of the vertical supporting device;
the two sides of the slidable weight are respectively connected with the annular tracks on the corresponding sides of the slidable weight, so that the slidable weight can slide on the annular tracks;
the power generation device is connected with the vertical supporting device and connected with the sliding weight in a descending state and is used for generating power by means of gravitational potential energy when the sliding weight descends.
Preferably, the slidable weight comprises a weight block and two slides;
the two sliding parts are respectively arranged on two opposite sides of the weight block and are connected with the annular track;
one of the sliding members is connected with the power generation device when the weight is in a descending state.
Preferably, each slide comprises a pulley and a control system;
the pulley is arranged on one side of the weight block and is connected with the annular track on the corresponding side;
the control system is connected with the pulley and used for controlling the motion state of the pulley.
Preferably, the slider connected to the power generation device further includes an auto lock;
the automatic lock catch is arranged on the pulley;
the control system is also connected with the automatic lock catch and is used for sending a connection signal or a disconnection signal to the automatic lock catch so as to control the automatic lock catch to be connected with the power generation device only when the weight is in a descending state.
Preferably, the power generation device comprises a generator and a circulating cable;
the generator is arranged on the vertical supporting device;
the circulating cable is connected with the generator and is hung on the descending track of the slidable weight and is only connected with the slidable weight in a descending state.
Preferably, the vertical support means comprises two vertical support structures;
the two annular tracks are respectively arranged on the two vertical supporting structures and are positioned on opposite sides of the two vertical supporting structures.
Preferably, the two vertical support structures are fixed in the shaft and are connected with the bottom wall of the shaft.
Preferably, the vertical support device further comprises two sets of auxiliary support structures;
the two groups of auxiliary supporting structures are respectively arranged between the side wall of the vertical shaft and the corresponding vertical supporting structure, and the axis of each group of auxiliary supporting structures is perpendicular to the axis of the vertical supporting structure.
Preferably, each set of auxiliary support structures comprises a plurality of supports;
the plurality of supporting bodies are sequentially arranged along the axis of the vertical supporting structure.
Preferably, the number of slidable weights is a plurality.
Compared with the prior art, the gravitational potential energy power generation system has the following beneficial effects:
the gravitational potential energy power generation system can realize the sliding of the slidable weight by only consuming a little of externally input electric energy, does not need hoisting equipment such as a winch to move the weight back and forth for power generation, has the advantages of simple structure, low cost, strong operability and the like, and has larger flexibility according to local conditions.
Drawings
FIG. 1 is a cross-sectional view of the middle portion of a gravitational potential energy power generating system in accordance with an embodiment of the present invention, specifically at B-B in FIG. 3;
FIG. 2 is a longitudinal cross-sectional view taken at C-C of FIG. 1;
FIG. 3 is a longitudinal cross-sectional view taken at D-D of FIG. 1;
fig. 4 is a schematic view of the top platform at A-A in fig. 3.
In the figure: 1 is a vertical supporting device; 11 is a vertical support structure; 12 is an auxiliary support structure; 13 is based on; 2 is a slidable weight; 21 is a weight block; 22 is a slider; 221 is a pulley; 222 is the pulley track line; 31 is a generator; 32 is a circulating cable; 4 is a circular track; 41 is the upper control dividing line; 42 is the lower control dividing line; 5 is a vertical shaft; and 6, a control platform.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The invention provides a gravitational potential energy power generation system, which is shown in figures 1 to 4, and comprises a vertical supporting device 1, a slidable weight 2, a power generation device and two annular tracks 4;
wherein two annular tracks 4 are respectively arranged on two opposite side walls of the vertical supporting device 1;
the two sides of the slidable weight 2 are respectively connected with the annular track 4 at the corresponding side of the slidable weight, so that the slidable weight can slide on the annular track 4;
the power generation device is connected with the vertical supporting device 1 and connected with the sliding weight 2 in a descending state, and is used for generating power by means of gravitational potential energy when the sliding weight 2 descends.
The gravitational potential energy power generation system can realize the sliding of the slidable weight 2 by only consuming a little of externally input electric energy, does not need hoisting equipment such as a winch and the like to move the weight back and forth for power generation, has the advantages of simple structure, low cost, good running stability, strong operability and the like, and can be suitable for local conditions and has higher flexibility.
In the present embodiment, the slidable weight 2 includes a weight 21 and two sliders 22;
two sliding pieces 22 are respectively arranged on two opposite sides of the weight 21 and are connected with the annular track 4;
one of the sliders 22 is connected to the power generation device when the weight 21 is in the lowered state.
Each slide 22 of the present embodiment includes a pulley 221 and a control system;
the pulley 221 is provided on one side of the weight 21 and is connected to the annular rail 4 on the corresponding side;
a control system is connected to the pulley 221 for controlling the movement state of the pulley 221.
The control system of this embodiment can control the movement state of the pulley 221, so as to control the descending speed of the weight 21, and can also drive the weight 21 to move upwards, so as to store energy for the next power generation.
In order to realize stable power generation and control the rotation speed of a generator in the power generation device, the embodiment of the invention can also control the descending speed of the weight 21 by setting the annular track 4 on the descending track of the pulley 221 to be a track with a certain friction coefficient.
Further, the slider 22 connected to the power generation device further includes an automatic lock catch;
the automatic lock catch is arranged on the pulley 221;
the control system is also connected with the automatic lock for sending a connection signal or a disconnection signal to the automatic lock, controlling the automatic lock to be connected with the power generation device only when the weight 21 is in the lowered state.
The power generation device of the embodiment of the invention comprises a generator 31 and a circulating cable 32;
the generator 31 is arranged on the vertical supporting device 1, in particular, the generator 31 can be arranged on the control platform 6 at the top end of the vertical supporting device 1;
the circulation cable 32 is connected to the generator 31 and is suspended on the descent trajectory of the slidable weight 2, and is connected only to the slidable weight 2 in the lowered state.
The control system can control the automatic lock catch to intelligently complete connection or disconnection with the circulating rope 32 at the control dividing line. Wherein the control dividing line is a preset control position. Illustratively, the embodiment of the present invention presets an upper control dividing line 41 and a lower control dividing line 42 on the endless track 4, respectively, wherein the upper control dividing line 41 is near the top of the vertical supporting device 1, and the lower control dividing line 42 is near the bottom of the vertical supporting device 1.
When the pulley 221 moves to the upper control dividing line 41, the automatic lock catch on the pulley 221 is buckled with the circulating rope 32, the pulley 221 drives the circulating rope 32 to descend to generate electricity until the circulating rope descends to the lower control dividing line 42, at the moment, the automatic lock catch on the pulley 221 is opened, and the pulley 221 moves upwards along the annular track 4 to store energy.
The vertical supporting device 1 according to the embodiment of the present invention may be an integral structure or a split structure.
For example, it is an annular structure when it is an integral structure, in which case two annular tracks 4 are provided on the opposite two side walls of the inner ring of the vertical support 1, respectively;
in the case of a split structure, the vertical support device 1 comprises two vertical support structures 11;
the two annular rails 4 are respectively arranged on the two vertical support structures 11 and are positioned on opposite sides of the two vertical support structures 11.
Two vertical support structures 11 according to the embodiment of the invention are fixed in the shaft 5 and are connected to the bottom wall of the shaft 5. Specifically, the foundation 13 of the vertical support structure 11 is connected to the bottom wall of the shaft 5.
Wherein the shaft 5 is an empty shaft with a certain height, the shape of which is not limited. The vertical shaft 5 is an abandoned mine, and can generate power by gravitational potential energy through simple transformation of the abandoned mine, so that better clean energy is created on the basis of the existing abandoned mine, and the new vertical shaft does not need to be excavated due to the fact that the abandoned mine is used for generating power, and therefore the gravitational potential energy power generation system is low in power generation cost.
The materials and section types of the two vertical supporting structures 11 are not limited, and the horizontal spacing between the 2 sets of vertical supporting structures 11 can be determined according to the size of the weight 21, so that the weight 21 can reciprocate and circulate.
In order to ensure the stability of the vertical support structure 11, the vertical support device 1 according to the embodiment of the present invention further comprises two sets of auxiliary support structures 12;
the two sets of auxiliary supporting structures 12 are respectively arranged between the side wall of the vertical shaft 5 and the corresponding vertical supporting structure 11, and the axis of each set of auxiliary supporting structures 12 is perpendicular to the axis of the vertical supporting structure 11.
To further enhance support stability, each set of auxiliary support structures 12 in embodiments of the present invention includes a plurality of supports;
the plurality of supports are arranged in sequence along the axis of the vertical support structure 11.
The support body of the invention is used for connecting the vertical support structure 11 and the side wall of the underground shaft 5, is arranged at intervals along the height direction of the shaft 5, and is not limited in material and section type.
In order to improve the power generation efficiency, the number of the slidable weights 2 is plural, and the size and the weight of the weight 21 in each slidable weight 2 are the same, and are not limited to the material and the external dimension, and can be matched with the generator 31 and the control system. The plurality of slidable weights 2 are reciprocated in a cycle to provide a stable gravitational potential energy to electrical energy conversion process.
The power generation process of the gravitational potential energy power generation system comprises the following steps:
1. the weight 21 slides down along the pulley track line 222 on the annular track 4 by means of gravity, and the sliding speed is controlled by means of a control system or a track with a certain friction coefficient, the weight 21 slides down to drive the circulating rope 32 to rotate, further drive the rotor in the generator 31 to rotate, the rotor rotates to generate an electromagnetic field, and the electromagnetic field interacts with the magnetic field fixed in the generator 31 to generate electric energy.
2. When the weight 21 slides down to the bottom, the center of the weight 21 passes through the lower control dividing line 42, the automatic lock breaks the connection with the circulating cable 32, and the pulley 221 drives the weight 21 to move upwards along the pulley track line 222 on the annular track 4, which is also the process of storing gravitational potential energy.
3. When the weight 21 moves upward to the top, the center of the weight 21 passes over the upper control line 41, the auto lock engages the recirculating line 32, and the process continues to repeat 1.
The weight 21 automatically slides down through the pulley 221, so that gravitational potential energy is automatically converted into kinetic energy, and the gravitational potential energy and energy converted from electric energy can be automatically controlled through the pulley 221; the present invention can control the entire circulation process of the weight 21 by consuming only a little external input power from the pulley 221 without requiring other expensive equipment and materials, such as: the gravity block does not need to be moved back and forth by hoisting equipment such as a winch and the like; the gravitational potential energy power generation system can be suitable for local conditions, and has relatively high flexibility and high operability.
The foregoing description is only a few examples of the present application and is not intended to limit the present application in any way, and although the present application is disclosed in the preferred examples, it is not intended to limit the present application, and any person skilled in the art may make some changes or modifications to the disclosed technology without departing from the scope of the technical solution of the present application, and the technical solution is equivalent to the equivalent embodiments.
Claims (10)
1. The gravitational potential energy power generation system is characterized by comprising a vertical supporting device, a slidable weight, a power generation device and two annular tracks;
the two annular tracks are respectively arranged on two opposite side walls of the vertical supporting device;
the two sides of the slidable weight are respectively connected with the annular tracks on the corresponding sides of the slidable weight, so that the slidable weight can slide on the annular tracks;
the power generation device is connected with the vertical supporting device and connected with the sliding weight in a descending state and is used for generating power by means of gravitational potential energy when the sliding weight descends.
2. The gravitational potential energy power generating system of claim 1, wherein the slideable weight includes a weight mass and two slides;
the two sliding parts are respectively arranged on two opposite sides of the weight block and are connected with the annular track;
one of the sliding members is connected with the power generation device when the weight is in a descending state.
3. The gravitational potential energy power generating system of claim 2, wherein each slide includes a pulley and a control system;
the pulley is arranged on one side of the weight block and is connected with the annular track on the corresponding side;
the control system is connected with the pulley and used for controlling the motion state of the pulley.
4. A gravitational potential energy power generating system as claimed in claim 3, wherein said slider coupled to said power generating means further comprises an automatic catch;
the automatic lock catch is arranged on the pulley;
the control system is also connected with the automatic lock catch and is used for sending a connection signal or a disconnection signal to the automatic lock catch so as to control the automatic lock catch to be connected with the power generation device only when the weight is in a descending state.
5. The gravitational potential energy power generating system of claim 1, wherein the power generating device comprises a generator and a recirculating rope;
the generator is arranged on the vertical supporting device;
the circulating cable is connected with the generator and is hung on the descending track of the slidable weight and is only connected with the slidable weight in a descending state.
6. The gravitational potential energy power generating system of claim 1, wherein the vertical support means comprises two vertical support structures;
the two annular tracks are respectively arranged on the two vertical supporting structures and are positioned on opposite sides of the two vertical supporting structures.
7. The gravitational potential energy power generating system of claim 6, wherein the two vertical support structures are secured within the shaft and interface with a bottom wall of the shaft.
8. The gravitational potential energy power generating system of claim 7, wherein said vertical support further comprises two sets of auxiliary support structures;
the two groups of auxiliary supporting structures are respectively arranged between the side wall of the vertical shaft and the corresponding vertical supporting structure, and the axis of each group of auxiliary supporting structures is perpendicular to the axis of the vertical supporting structure.
9. The gravitational potential energy power generating system of claim 8, wherein each set of auxiliary support structures includes a plurality of supports;
the plurality of supporting bodies are sequentially arranged along the axis of the vertical supporting structure.
10. The gravitational potential energy power generating system of claim 1, wherein the number of slidable weights is a plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410037243.6A CN117780580A (en) | 2024-01-10 | 2024-01-10 | Gravitational potential energy power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410037243.6A CN117780580A (en) | 2024-01-10 | 2024-01-10 | Gravitational potential energy power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117780580A true CN117780580A (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410037243.6A Pending CN117780580A (en) | 2024-01-10 | 2024-01-10 | Gravitational potential energy power generation system |
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| CN (1) | CN117780580A (en) |
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- 2024-01-10 CN CN202410037243.6A patent/CN117780580A/en active Pending
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