Digital twin-driven urban planning dynamic demonstration sand table and use method thereof

Abstract

The invention relates to the technical field of demonstration sand tables, and discloses a digital twin-driven urban planning dynamic demonstration sand table, which comprises a demonstration mechanism, a support base, an installation box body fixedly installed at the top of the support base, and a dynamic sand table arranged in the installation box body and used for urban planning dynamic demonstration. And the energy recovery mechanism comprises a lifting part used for adjusting the use height of the dynamic sand table, an energy recovery part used for generating power in cooperation with lifting of the lifting part, and a cleaning part used for assisting the lifting part in locking prevention. Through cooperation between the lifting part and the energy recovery part, when the dynamic sand table lifts and adjusts the height, mechanical potential energy is converted into electric energy, and the electric energy is supplied to a lamp on the dynamic sand table, so that the problem that energy cannot be recovered and electric power cannot be supplemented in the lifting process of a traditional dynamic sand table is solved, and reutilization of motion potential energy is realized; therefore, the power consumption of the dynamic sand table is effectively reduced, and the overall energy efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of demonstration sand tables, and in particular to a digital twin-driven urban planning dynamic demonstration sand table and a method for using the same. Background Art

[0002] A demonstration sandbox is an interactive tool that visually displays a system, scenario, or process through a physical or digital model. Traditional sandboxes use miniature landscapes (such as buildings and terrain), while modern sandboxes often combine form integration, 3D projection, and IoT technology to achieve dynamic simulation and real-time data-driven. Users can simulate planning schemes (such as urban layout and transportation networks), predict effects (such as disaster impacts), and support multi-terminal collaborative editing through touch, gestures, or software operations. Its core value lies in visualizing complex information and assisting in quick decision-making. It is widely used in smart cities, military simulations, engineering design, education and training, and other fields.

[0003] When simulating real terrain changes, traditional demonstration sand tables need to reconstruct the terrain through frequent lifting and lowering. However, the kinetic potential energy of the sand table often cannot be effectively recovered and utilized in this process, resulting in energy waste. At the same time, the motor consumes too much energy when driving the sand table, further reducing the energy efficiency of the system. Summary of the invention

[0004] In view of the problems existing in the above-mentioned existing digital twin-driven urban planning dynamic demonstration sandbox, the present invention is proposed.

[0005] Therefore, the purpose of the present invention is to provide a digital twin-driven urban planning dynamic demonstration sandbox.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising:

[0007] The demonstration mechanism includes a support base, a mounting box fixedly mounted on the top of the support base, a dynamic sand table arranged inside the mounting box and used for dynamic demonstration of urban planning, and a glass protection plate fixedly mounted on the top of the mounting box for protection;

[0008] as well as,

[0009] The energy recovery mechanism includes a lifting component for adjusting the height of the dynamic sand table, an energy recovery component for generating electricity when the lifting component is lifted, and a cleaning component for assisting the lifting component in preventing it from getting stuck.

[0010] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: the lifting component includes a support pallet for integrally supporting the bottom of the dynamic sand table, a bent plate fixedly installed at the bottom of the support pallet, a threaded rod rotatably installed inside the support base and threadedly connected to the bent plate, and a control motor fixedly installed inside the support base through an L-shaped plate and used to drive the threaded rod to rotate.

[0011] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: a driving gear is fixedly installed at the output end of the control motor, and a driven gear meshing with the driving gear is fixedly installed on the surface of the threaded rod and below the bent plate.

[0012] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: the energy recovery component includes a plurality of synchronous generators fixedly installed inside the support base, a transmission gear fixedly installed at the rotor end of the input end of the synchronous generator, a plurality of toothed plates fixedly installed at the bottom of the support pallet and used to drive the transmission gear to rotate, and two supercapacitors arranged inside the support base and used to store electric energy.

[0013] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: two closing doors for installing and disassembling the supercapacitors in cooperation are arranged on the surface of the support base, and a limiting angle plate for limiting the installation of the supercapacitors is fixedly installed inside the support base.

[0014] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: a plurality of convex plates for limiting the supercapacitor are arranged on one side of the closing door close to the supercapacitor, and one side of the convex plate is in close contact with the surface of the supercapacitor.

[0015] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: the output end of the synchronous generator is electrically connected to the input end of the supercapacitor through a wire for storing electric energy inside the supercapacitor.

[0016] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: the cleaning component includes a fixing plate fixedly installed on the surface of the bent plate, two guiding rods elastically installed on the fixing plate, and a cleaning brush plate fixedly installed at the end of the guiding rod and used to clean the surface of the threaded rod.

[0017] As a preferred solution of the digital twin-driven urban planning dynamic demonstration sand table of the present invention, wherein: two springs for applying elastic pressure to the cleaning brush plate are fixedly installed on the surface of the fixing plate, and the springs are sleeved on the surface of the guiding rods.

[0018] The present invention also provides a usage method.

[0019] The present invention provides the following technical solution: A usage method, including the digital twin-driven urban planning dynamic demonstration sand table described above, the method comprising the following steps:

[0020] S1: When it is necessary to adjust the usage height of the dynamic sand table, it is first necessary to start the control motor. The control motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear then drives the threaded rod to rotate, and the threaded rod drives the bent plate and the support tray to rise or fall, further driving the dynamic sand table to lift and lower, achieving the purpose of adjusting the height of the dynamic sand table for the reconstruction of terrain authenticity;

[0021] S2: When the support tray rises or falls, the support tray drives a plurality of toothed plates to move up and down, and then the toothed plates drive the transmission gear to rotate. The rotation of the transmission gear drives the rotor on the synchronous generator to rotate, and then the synchronous generator generates electricity. The electric energy is stored inside the supercapacitor for use by the lamps on the dynamic sand table;

[0022] S3: When the dynamic sand table lifts and lowers, the support tray drives the bent plate to rotate, and the bent plate then drives the fixed plate to move, so that the cleaning brush plate lifts and lowers on the surface of the threaded rod. At the same time, the threaded rod rotates, and then the cleaning brush plate comprehensively cleans the surface of the threaded rod.

[0023] Advantages of the present invention: Through the cooperation between the lifting component and the energy recovery component, when the height of the dynamic sand table is adjusted by lifting, the mechanical potential energy is converted into electric energy and supplied for use by the lamps on the dynamic sand table, solving the problem that traditional dynamic sand tables cannot recover energy and supplement power during the lifting process, realizing the reuse of kinetic potential energy, thereby effectively reducing the power consumption of the dynamic sand table and improving the overall energy efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0025] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0026] Figure 2 is a schematic diagram of the energy recovery mechanism structure of the present invention.

[0027] Figure 3Schematic diagram of the lifting component structure of the present invention.

[0028] Figure 4 Schematic diagram of the energy recovery component structure of the present invention.

[0029] Figure 5 Schematic diagram of the supercapacitor structure of the present invention.

[0030] Figure 6 Schematic diagram of the cleaning component structure of the present invention.

[0031] In the figure: 100, demonstration mechanism; 110, support base; 120, installation box; 130, dynamic sand table; 140, glass protection plate; 200, energy recovery mechanism; 210, lifting component; 211, support tray; 212, bent plate; 213, threaded rod; 214, control motor; 215, driving gear; 216, driven gear; 220, energy recovery component; 221, synchronous generator; 222, transmission gear; 223, toothed plate; 224, supercapacitor; 225, closing door; 226, limiting angle plate; 230, cleaning component; 231, fixing plate; 232, guide rod; 233, cleaning brush plate; 234, spring. Detailed implementation manners

[0032] To make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific implementation manners of the present invention will be given in conjunction with the accompanying drawings of the specification.

[0033] In the following description, many specific details are set forth to facilitate a thorough understanding of the present invention. However, the present invention may be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0034] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that may be included in at least one implementation manner of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an individual or alternative embodiment that is mutually exclusive with other embodiments.

[0035] Furthermore, the present invention is described in detail in conjunction with the schematic diagrams. When detailing the embodiments of the present invention, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally not in accordance with the general ratio, and the schematic diagrams are only examples and should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.

[0036] Embodiment 1

[0037] Refer toFigures 1 to 3 , which is the first embodiment of the present invention, provides a digital twin-driven dynamic demonstration sand table for urban planning. This device includes

[0038] A demonstration mechanism 100, including a support base 110, a mounting box 120 fixedly installed on the top of the support base 110, a dynamic sand table 130 disposed inside the mounting box 120 and used for dynamic demonstration of urban planning, and a glass protection plate 140 fixedly installed on the top of the mounting box 120 for protection;

[0039] And

[0040] An energy recovery mechanism 200, including a lifting component 210 for adjusting the use height of the dynamic sand table 130, an energy recovery component 220 that generates electricity when cooperating with the lifting of the lifting component 210, and a cleaning component 230 that assists the lifting component 210 to prevent jamming.

[0041] Among them, through the cooperation between the lifting component 210 and the energy recovery component 220, when the height of the dynamic sand table 130 is adjusted by lifting, mechanical potential energy is converted into electrical energy and supplied to the lamps on the dynamic sand table 130, solving the problem that the traditional dynamic sand table 130 cannot recover energy and supplement power during the lifting process, realizing the reuse of kinetic potential energy, thereby effectively reducing the power consumption of the dynamic sand table 130 and improving the overall energy efficiency;

[0042] It should be noted that the dynamic sand table 130 adopts digital twin-driven technology, which can greatly improve the planning efficiency and decision-making accuracy. By synchronizing the dynamic sand table 130 and the virtual model in real time, users can dynamically simulate different scenarios (such as traffic flow, natural disasters), intuitively verify the feasibility of the plan. Digital twin combined with IoT sensors and AI analysis can automatically monitor the state of the dynamic sand table 130, predict potential problems (such as poor drainage), and generate optimization suggestions.

[0043] The digital twin-driven technology is oriented to the geometric shape and structural mechanics performance of major equipment, and constructs a digital twin of "computing-measuring integration, shape-property integration". Essentially, through the mutual intersection and integration of different disciplines, digital, information, and intelligent technologies are infiltrated into the entire life cycle of major equipment, integrating multi-source data, multi-disciplinary methods, and multi-domain modeling technologies, realizing modeling, monitoring, analysis, prediction, evaluation, etc. of major equipment from stages such as design, manufacturing, testing, service, and operation and maintenance.

[0044] Specifically, the lifting component 210 includes a support pallet 211 for overall supporting the bottom of the dynamic sand table 130, a bent plate 212 fixedly installed at the bottom of the support pallet 211, a threaded rod 213 rotatably installed inside the support base 110 and threadedly connected to the bent plate 212, and a control motor 214 fixedly installed inside the support base 110 through an L-shaped plate and used to drive the threaded rod 213 to rotate.

[0045] Among them, the control motor 214 is used to drive the driving gear 215 to rotate. The driving gear 215 drives the driven gear 216 to rotate. The driven gear 216 then drives the threaded rod 213 to rotate. The threaded rod 213 drives the bent plate 212 and the support pallet 211 to rise or fall, further driving the dynamic sand table 130 to lift, so as to complete the purpose of adjusting the height of the dynamic sand table 130.

[0046] Furthermore, the output end of the control motor 214 is fixedly installed with a driving gear 215, and the surface of the threaded rod 213 and below the bent plate 212 is fixedly installed with a driven gear 216 meshing with the driving gear 215.

[0047] During use, when it is necessary to adjust the use height of the dynamic sand table 130, it is first necessary to start the control motor 214. The control motor 214 drives the driving gear 215 to rotate. The driving gear 215 drives the driven gear 216 to rotate. The driven gear 216 then drives the threaded rod 213 to rotate. The threaded rod 213 drives the bent plate 212 and the support pallet 211 to rise or fall, further driving the dynamic sand table 130 to lift, so as to complete the purpose of adjusting the height of the dynamic sand table 130 for the reconstruction of terrain authenticity.

[0048] In summary, through the cooperation between the lifting component 210 and the energy recovery component 220, when the height of the dynamic sand table 130 is adjusted by lifting, the mechanical potential energy is converted into electrical energy and supplied to the lamps on the dynamic sand table 130, solving the problem that the traditional dynamic sand table 130 cannot recover energy and supplement power during the lifting process, realizing the reuse of the moving potential energy, thereby effectively reducing the power consumption of the dynamic sand table 130 and improving the overall energy efficiency.

[0049] Embodiment 2

[0050] Referring to Figures 4 to 5 , this is the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that the energy recovery component 220 includes a plurality of synchronous generators 221 fixedly installed inside the support base 110, a transmission gear 222 fixedly installed at the rotor end of the input of the synchronous generator 221, a plurality of toothed plates 223 fixedly installed at the bottom of the support pallet 211 and used to drive the transmission gear 222 to rotate, and two supercapacitors 224 arranged inside the support base 110 for storing electrical energy.

[0051] Among them, when the support pallet 211 moves up and down, the support pallet 211 drives the toothed plate 223 to move up and down. The toothed plate 223 drives the transmission gear 222 to rotate, and the transmission gear 222 drives the rotor on the synchronous generator 221 to rotate, causing the synchronous generator 221 to generate electricity. The supercapacitor 224 stores the electric energy, so as to generate electricity when the dynamic sand table 130 moves up and down, and provide it for the lamps on the dynamic sand table 130 to use, making full use of the kinetic potential energy of the dynamic sand table 130 moving up and down.

[0052] Specifically, two closed doors 225 for installing and disassembling the supercapacitor 224 in cooperation are arranged on the surface of the support base 110, and a limiting angle plate 226 for limiting the installation of the supercapacitor 224 is fixedly installed inside the support base 110.

[0053] Among them, the inside of the support base 110 can be opened and closed through the closed door 225, so as to facilitate the installation and disassembly of the supercapacitor 224 for maintenance. The limiting angle plate 226 is used for positioning and installing the supercapacitor 224.

[0054] Furthermore, several convex plates for limiting the supercapacitor 224 are arranged on one side of the closed door 225 close to the supercapacitor 224, and one side of the convex plate is in close contact with the surface of the supercapacitor 224.

[0055] Among them, the convex plate is made of rubber with a protection function, and several convex plates are evenly distributed. The convex plates are used to abut and limit the supercapacitor 224, improving the stability of the supercapacitor 224 during use.

[0056] Preferably, the output end of the synchronous generator 221 is electrically connected to the input end of the supercapacitor 224 through a wire for storing the electric energy inside the supercapacitor 224.

[0057] During use, when the support pallet 211 rises or falls, the support pallet 211 drives several toothed plates 223 to move up and down. Then the toothed plate 223 drives the transmission gear 222 to rotate, and the rotation of the transmission gear 222 drives the rotor on the synchronous generator 221 to rotate, causing the synchronous generator 221 to generate electricity. The electric energy is stored inside the supercapacitor 224 to be provided for the lamps on the dynamic sand table 130 to use.

[0058] In summary, through the cooperation between the lifting component 210 and the energy recovery component 220, when the height of the dynamic sand table 130 is adjusted by lifting, mechanical potential energy is converted into electrical energy and supplied to the lamps on the dynamic sand table 130, solving the problem that the traditional dynamic sand table 130 cannot recover energy and supplement power during the lifting process, realizing the reuse of kinetic potential energy, thereby effectively reducing the power consumption of the dynamic sand table 130 and improving the overall energy efficiency.

[0059] Embodiment 3

[0060] Referring to Figure 2 and Figure 6 This is the third embodiment of the present invention. The difference between this embodiment and the second embodiment is that the cleaning component 230 includes a fixing plate 231 fixedly installed on the surface of the bent plate 212, two guiding rods 232 elastically installed on the fixing plate 231, and a cleaning brush plate 233 fixedly installed at the end of the guiding rod 232 and used for cleaning the surface of the threaded rod 213.

[0061] Among them, the cleaning brush plate 233 is used to clean the thread grooves on the surface of the threaded rod 213 to prevent dust from falling into the interior of the thread grooves, affecting the lifting performance of the threaded rod 213 to drive the dynamic sand table 130. The guiding rod 232 is used to improve the positioning of the cleaning brush plate 233 during movement and prevent the cleaning brush plate 233 from shifting, resulting in the cleaning brush plate 233 not being able to fully contact the surface of the threaded rod 213.

[0062] Specifically, two springs 234 for applying elastic pressure to the cleaning brush plate 233 are fixedly installed on the surface of the fixing plate 231, and the springs 234 are sleeved on the surface of the guiding rod 232.

[0063] Among them, the spring 234 is used to apply a continuous pressure to the cleaning brush plate 233, so that the bristles on the cleaning brush plate 233 fully contact the surface of the threaded rod 213, improving the cleaning effect on the surface of the threaded rod 213.

[0064] During use, when the dynamic sand table 130 is lifted, the support tray 211 drives the bent plate 212 to rotate, the bent plate 212 then drives the fixing plate 231 to move, and further enables the cleaning brush plate 233 to lift on the surface of the threaded rod 213. At the same time, the threaded rod 213 rotates, and then the cleaning brush plate 233 comprehensively cleans the surface of the threaded rod 213.

[0065] Embodiment 4

[0066] Referring to Figures 1 to 6 This is the fourth embodiment of the present invention. Different from the previous embodiment, this embodiment provides a usage method, including a digital twin-driven urban planning dynamic demonstration sand table, and its method includes the following steps:

[0067] S1: When it is necessary to adjust the use height of the dynamic sand table 130, the control motor 214 needs to be started first. The control motor 214 drives the driving gear 215 to rotate, the driving gear 215 drives the driven gear 216 to rotate, the driven gear 216 drives the threaded rod 213 to rotate, and the threaded rod 213 drives the bent plate 212 and the support tray 211 to rise or fall, further driving the dynamic sand table 130 to lift and lower, achieving the purpose of adjusting the height of the dynamic sand table 130 for the reconstruction of terrain authenticity.

[0068] S2: When the support tray 211 rises or falls, the support tray 211 drives a number of toothed plates 223 to move up and down. Furthermore, the toothed plates 223 drive the transmission gear 222 to rotate. The rotation of the transmission gear 222 drives the rotor on the synchronous generator 221 to rotate, and thus enables the synchronous generator 221 to generate electricity. The electric energy is stored inside the super capacitor 224 for use by the lamps on the dynamic sand table 130.

[0069] S3: When the dynamic sand table 130 lifts and lowers, the support tray 211 drives the bent plate 212 to rotate, and the bent plate 212 drives the fixed plate 231 to move, thereby enabling the cleaning brush plate 233 to lift and lower on the surface of the threaded rod 213. At the same time, the threaded rod 213 rotates by itself, and thus the cleaning brush plate 233 comprehensively cleans the surface of the threaded rod 213.

[0070] Importantly, it should be noted that the structures and arrangements of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible on the premise of substantially not deviating from the novel teachings and advantages of the subject matter described in this application (for example, the dimensions, scales, structures, shapes and proportions of various components, as well as parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc.). For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature, number or position of discrete elements can be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures that perform the recited function herein, and not only structurally equivalent but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangements of the exemplary embodiments without departing from the scope of the present invention. Therefore, the present invention is not limited to specific embodiments, but extends to a variety of modifications that still fall within the scope of the appended claims.

[0071] In addition, to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently contemplated best mode of carrying out the invention or those features that are not relevant to the implementation of the invention).

[0072] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A digital twin-driven urban planning dynamic demonstration sandbox, characterized by: include, A demonstration mechanism (100) comprises a support base (110), a mounting box (120) fixedly mounted on the top of the support base (110), a dynamic sand table (130) arranged inside the mounting box (120) and used for dynamic demonstration of urban planning, and a glass protection plate (140) fixedly mounted on the top of the mounting box (120) for protection; as well as, The energy recovery mechanism (200) comprises a lifting component (210) for adjusting the use height of a dynamic sandbox (130), an energy recovery component (220) for generating electricity when the lifting component (210) is lifted or lowered, and a cleaning component (230) for assisting the lifting component (210) in preventing it from getting stuck.

2. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 1, characterized in that: The lifting component (210) comprises a support plate (211) for integrally supporting the bottom of the dynamic sandbox (130), a bent plate (212) fixedly mounted on the bottom of the support plate (211), a threaded rod (213) rotatably mounted inside the support base (110) and threadedly connected to the bent plate (212), and a control motor (214) fixedly mounted inside the support base (110) via an L-shaped plate and used for driving the threaded rod (213) to rotate.

3. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 2, characterized in that: A driving gear (215) is fixedly mounted on the output end of the control motor (214), and a passive gear (216) meshing with the driving gear (215) is fixedly mounted on the surface of the threaded rod (213) and located below the bent plate (212).

4. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 3 is characterized by: The energy recovery component (220) comprises a plurality of synchronous generators (221) fixedly mounted inside a support base (110), a transmission gear (222) fixedly mounted on the end of a rotor at an input end of the synchronous generator (221), a plurality of toothed plates (223) fixedly mounted on the bottom of a support plate (211) and used to drive the transmission gear (222) to rotate, and two supercapacitors (224) arranged inside the support base (110) and used to store electric energy.

5. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 4, characterized in that: The surface of the support base (110) is provided with two closed doors (225) for mounting and dismounting the supercapacitor (224), and a limiting angle plate (226) for limiting the installation of the supercapacitor (224) is fixedly installed inside the support base (110).

6. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 5 is characterized by: A plurality of convex plates for limiting the position of the supercapacitor (224) are provided on one side of the closed door (225) close to the supercapacitor (224), and one side of the convex plates is in close contact with the surface of the supercapacitor (224).

7. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 6, characterized in that: The output end of the synchronous generator (221) is electrically connected to the input end of the super capacitor (224) via a wire, so as to store electrical energy inside the super capacitor (224).

8. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 7, characterized in that: The cleaning component (230) comprises a fixing plate (231) fixedly mounted on the surface of the bent plate (212), two guide rods (232) elastically mounted on the fixing plate (231), and a cleaning brush plate (233) fixedly mounted on the ends of the guide rods (232) and used for cleaning the surface of the threaded rod (213).

9. The digital twin-driven urban planning dynamic demonstration sandbox according to claim 8, characterized in that: Two springs (234) for applying elastic pressure to the cleaning brush plate (233) are fixedly mounted on the surface of the fixing plate (231), and the springs (234) are sleeved on the surface of the guide rod (232).

10. A method of use, characterized in that: A method for a city planning dynamic demonstration sandbox driven by a digital twin according to any one of claims 8 to 9, comprising the following steps: S1: When the height of the dynamic sand table (130) needs to be adjusted, the control motor (214) needs to be started first, the control motor (214) drives the active gear (215) to rotate, the active gear (215) drives the passive gear (216) to rotate, the passive gear (216) then drives the threaded rod (213) to rotate, the threaded rod (213) drives the bent plate (212) and the supporting plate (211) to rise or fall, and further drives the dynamic sand table (130) to rise and fall, thereby completing the purpose of adjusting the height of the dynamic sand table (130) for reconstruction of the terrain authenticity; S2: When the support plate (211) rises or falls, the support plate (211) drives the plurality of tooth plates (223) to move up and down, and then the tooth plates (223) drive the transmission gear (222) to rotate, and the transmission gear (222) drives the rotor on the synchronous generator (221) to rotate, and then the synchronous generator (221) generates electricity, and the electric energy is stored inside the super capacitor (224) to be provided to the lamps on the dynamic sand table (130) for use; S3: When the dynamic sandbox (130) is raised or lowered, the support plate (211) drives the bent plate (212) to rotate, and the bent plate (212) drives the fixed plate (231) to move, thereby causing the cleaning brush plate (233) to rise or fall on the surface of the threaded rod (213), and at the same time, the threaded rod (213) rotates, so that the cleaning brush plate (233) can fully clean the surface of the threaded rod (213).

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