Three-dimensional design method and system for total arrangement of water delivery system of pumped storage power station

Abstract

The invention relates to the field of tunnels and underground engineering, in particular to a three-dimensional design method and system for total arrangement of a water delivery system of a pumped storage power station. Performing water inlet and outlet three-dimensional model construction and plane arrangement; preliminarily selecting main building prepared positions and key part parameters from the horizontal and longitudinal views, establishing a two-dimensional and three-dimensional linkage relation of a horizontal section and a longitudinal section, and constructing a three-dimensional model of the water delivery line; calculating a TW value of the surge shaft of the hydropower station, and calculating power generation working condition head loss and water pumping working condition head loss; constructing a gate shaft three-dimensional model, and establishing a two-dimensional and three-dimensional linkage relationship with the flat and longitudinal sections; constructing a three-dimensional model of the tail gate chamber, and establishing a two-dimensional and three-dimensional linkage relationship with the flat and longitudinal sections; obtaining lining parameters, and constructing a lining three-dimensional model; and calculating the work amount. According to the method, the three-dimensional forward design of the total arrangement of the pumped storage power station water delivery system and the rapid generation of the three-dimensional model of the main building can be realized, and the design quality and efficiency are improved.

Description

Technical Field

[0001] The present invention relates to the field of tunnels and underground engineering, and in particular to a three-dimensional design method and system for the general layout of a water delivery system of a pumped storage power station. Background Art

[0002] In order to meet the current demand for improving the design quality and efficiency of the overall layout of the water transmission and power generation system, the three-dimensional forward design and parametric modeling technology of the overall layout of the water transmission and power generation system has also developed rapidly. By establishing a three-dimensional forward design process and parametric modeling for the overall layout of the water transmission and power generation system, the design efficiency can be effectively improved, the layout design of the water transmission line and the relative relationship with each building can be more intuitively reflected, and the design quality of the overall layout of the water transmission and power generation system can be visualized and analyzed.

[0003] At present, in the overall layout design of water supply systems, various 3D design software lack hydraulic structure calculation and head loss calculation functions, resulting in widespread shortcomings such as low visualization, poor integration with 3D software, and cumbersome repetitive work. It is difficult to achieve parametric modeling based on deep data-driven two- and three-dimensional linkage.

[0004] The three-dimensional design of the general layout of traditional water transmission and power generation systems basically meets the layout requirements of the water transmission system of the early project. Its accuracy and depth do not meet the requirements of the three special projects and feasibility studies. It can realize local driving parameters but has a limited scope of application and lacks flexibility. It can only meet relatively typical line layout forms and cannot meet the accuracy requirements of subsequent designs. Summary of the invention

[0005] In order to solve the problem of difficulty in data driving and two-dimensional and three-dimensional linkage between horizontal and vertical sections in the three-dimensional design of the overall layout of the water delivery system, the present invention provides a three-dimensional design method and system for the overall layout of the water delivery system of a pumped storage power station.

[0006] The present invention provides a three-dimensional design method for the overall layout of a water delivery system of a pumped storage power station, which adopts the following technical solutions:

[0007] A three-dimensional design method for the overall layout of a water delivery system of a pumped storage power station comprises the following steps:

[0008] S1, calculate the key structural parameters of the water conveyance tunnel, and calculate the diameter and flow rate of each section of the water conveyance tunnel based on the key structural parameters;

[0009] S2, determine the structural shape and key shape parameters of the inlet and outlet, and construct a three-dimensional model and plan layout of the inlet and outlet;

[0010] S3, based on the drawn water transmission line plan, preliminarily select the proposed locations of the main buildings and the parameters of the key parts in the horizontal and vertical views, establish the two-dimensional and three-dimensional linkage relationship between the horizontal and vertical sections, and construct the three-dimensional model of the water transmission line;

[0011] S4, calculating the TW value of the surge tank of the hydropower station, calculating the head loss of the power generation condition and the head loss of the pumping condition; constructing a three-dimensional model of the surge tank according to the head loss of the power generation condition and the head loss of the pumping condition;

[0012] S5, constructing a three-dimensional model of the gate well according to the shape structure of the gate well and the first main parameter, and establishing a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections; constructing a three-dimensional model of the tail lock chamber according to the shape structure of the tail lock chamber and the second main parameter, and establishing a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections;

[0013] S6, obtaining lining parameters, and constructing a lining three-dimensional model of the water conveyance tunnel according to the lining parameters; calculating the engineering quantity according to the three-dimensional model of the water conveyance line, the three-dimensional model of the gate shaft, the three-dimensional model of the tail gate chamber, and the three-dimensional model of the lining.

[0014] In a specific implementation scheme, step S1 comprises the following steps:

[0015] Extract relevant parameters from the database;

[0016] Calculate key parameters based on relevant parameters;

[0017] The key structural parameters of each water conveyance tunnel are calculated based on the key parameters, and the tunnel diameter and flow rate of each section of the water conveyance tunnel are further calculated.

[0018] In a specific feasible implementation plan, the relevant parameters include the reservoir layout, power station kinetic parameters, and water machine parameters of the previous professional;

[0019] Key parameters include water tunnel segmentation, lining form and economic flow rate;

[0020] Key structural parameters include the economic diameter and cross-sectional area of ​​the water transfer tunnel.

[0021] In a specific implementation scheme, step S2 includes the following steps:

[0022] According to the layout of the upper reservoir and the topographic and geological conditions, the shape and structure of the upper reservoir shall be formulated;

[0023] According to the layout of the lower reservoir and the topographic and geological conditions, the shape and structure of the lower reservoir shall be formulated;

[0024] By obtaining the input upper reservoir inlet and outlet body structure and lower reservoir inlet and outlet body structure, as well as body shape parameters, the upper reservoir inlet and outlet body shape parameters and the lower reservoir inlet and outlet body shape parameters are verified and adjusted according to the key body shape parameters to generate a single three-dimensional model of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet;

[0025] Obtain the positions of the three-dimensional models of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet arranged on the water transmission line plan, define the relative positions of multiple inlets and outlets according to the layout parameters of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet, and complete the three-dimensional modeling and plan layout of all the upper reservoir inlet and outlet and the lower reservoir inlet and outlet.

[0026] In a specific embodiment, the body shape parameters include the number of orifices, the flow rate through the rack, the actual orifice height, the actual orifice width, and the area ratio of the trash rack;

[0027] Key shape parameters include trash rack aspect ratio and Froude number.

[0028] In a specific implementation scheme, step S3 includes the following steps:

[0029] According to the plan of the water supply line and based on the three-dimensional geological model, the proposed locations of the main buildings and the parameters of key parts are preliminarily selected in the horizontal and vertical sections, the two-dimensional and three-dimensional linkage relationship of the horizontal and vertical sections is established, and then the three-dimensional model of the water supply line is constructed according to the engineering experience.

[0030] In a specific implementation scheme, step S4 includes the following steps:

[0031] Calculate the TW values ​​of the lead-in, tail-out, and lead-to-tail parts, and determine whether to set up a surge tank based on the calculation results;

[0032] According to the basic parameters of each section of the water transmission line in the three-dimensional model of the water transmission line and the determination result of whether to set up a surge tank, the head loss of the power generation condition and the head loss of the pumping condition are calculated;

[0033] According to the head loss under power generation condition and the head loss under pumping condition, calculate the Toma stable section, the highest surge and the lowest surge;

[0034] According to the Toma stable section, the highest surge and the lowest surge, the main parameters of the surge well structure are calculated and a three-dimensional model of the surge well is constructed.

[0035] The three-dimensional model of the surge tank is associated with the attribute information in the horizontal and vertical sections, and the position of the three-dimensional model of the surge tank in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism.

[0036] In a specific implementation scheme, step S5 includes the following steps:

[0037] Obtain the gate well body structure and the first main parameters, and construct a three-dimensional model of the gate well;

[0038] The gate well three-dimensional model is associated with the attribute information in the horizontal and vertical sections, and the position of the gate well three-dimensional model in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism;

[0039] Obtain the body structure and second main parameters of the tail lock chamber and construct a three-dimensional model of the tail lock chamber;

[0040] The three-dimensional model of the tail lock chamber is associated with the attribute information in the horizontal and vertical sections, and the position of the three-dimensional model of the tail lock chamber in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism.

[0041] In a specific possible implementation scheme, the attribute information includes the pile number and key point elevation in the horizontal and vertical sections.

[0042] The present invention provides a three-dimensional design system for the overall layout of a water delivery system of a pumped storage power station, which adopts the following technical solutions:

[0043] A three-dimensional design system for the overall layout of a water delivery system of a pumped storage power station, used to execute the above-mentioned three-dimensional design method for the overall layout of a water delivery system of a pumped storage power station, comprising:

[0044] The economic pipe diameter preliminary estimation module extracts relevant parameters from the database, calculates key parameters based on the relevant parameters, calculates key structural parameters of each water conveyance tunnel based on the key parameters, and further calculates the diameter and flow rate of each section of the water conveyance tunnel;

[0045] The preliminary design module of the inlet and outlet determines the structural shape and key shape parameters of the inlet and outlet, and constructs the three-dimensional model and plane layout of the inlet and outlet;

[0046] The water transmission line design module, based on the drawn water transmission line plan, preliminarily selects the proposed location of the main buildings and the parameters of key parts in the horizontal and vertical views, establishes the two-dimensional and three-dimensional linkage relationship between the horizontal and vertical sections, and generates the three-dimensional water transmission line;

[0047] The module for judging and proposing the shape of the surge tank is used to calculate the TW value of the surge tank of the hydropower station, the head loss under power generation conditions and the head loss under pumping conditions; and a three-dimensional model of the surge tank is constructed based on the head loss under power generation conditions and the head loss under pumping conditions;

[0048] The water conveyance structure shape planning module constructs a three-dimensional model of the gate well according to the shape structure and the first main parameter of the gate well, and establishes a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections; constructs a three-dimensional model of the tail lock chamber according to the shape structure and the second main parameter of the tail lock chamber, and establishes a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections;

[0049] Determine the lining parameters and calculate the engineering quantity module, obtain the lining parameters, build the lining three-dimensional model of the water diversion tunnel according to the lining parameters; calculate the engineering quantity according to the lining model.

[0050] In summary, the present invention has the following beneficial effects:

[0051] Through the three-dimensional design method of the general layout of the water delivery system of the pumped-storage power station, the design efficiency and accuracy of the three-dimensional design of the general layout of the water delivery system of the pumped-storage power station are improved. At the same time, combined with the calculation functions such as hydraulic structure calculation and head loss calculation, the overall design of the structure verification and the three-dimensional model is realized, which reduces the design difficulty of designers while ensuring the design quality, and realizes the parametric one-click modeling of two-dimensional and three-dimensional linkage based on deep data drive, so that the three-dimensional design of the general layout of the water delivery system of the pumped-storage power station meets the accuracy requirements of subsequent designs. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a flow chart of the three-dimensional design method for the general layout of the water delivery system of a pumped storage power station. DETAILED DESCRIPTION

[0053] The following is combined with Figure 1 The present invention is described in further detail.

[0054] In the present invention, data for the three-dimensional design of the general layout of the water delivery system of the pumped storage power station is stored in a SQL Server database, and the modeling uses AutoCAD Civil 3D software of Autodesk Company as a computer-aided design (CAD) platform.

[0055] Reference Figure 1 ,The 3D design method for the general layout of the water delivery system of a pumped storage power station includes the following steps:

[0056] S1, calculate the key structural parameters of the water conveyance tunnel, and calculate the tunnel diameter and flow rate of each section of the water conveyance tunnel based on the key structural parameters.

[0057] Extract the related parameters of the reservoir layout, power station kinetic parameters, hydraulic machine parameters, etc. from the database. Calculate the key parameters of the water diversion tunnel segmentation form, lining form and economic flow rate based on the related parameters. Calculate the key structural parameters of each water diversion tunnel such as economic pipe diameter and cross-sectional area based on the key parameters, and further calculate the diameter and flow rate of each section of the water diversion tunnel.

[0058] S2, determine the structural shape and key shape parameters of the inlet and outlet, and construct the three-dimensional model and plane layout of the inlet and outlet.

[0059] The shape and structure of the upper reservoir are planned according to the layout form and topographic and geological conditions of the upper reservoir. The shape and structure include side inlets and outlets and well inlets and outlets. Similarly, the shape and structure of the lower reservoir are planned according to the layout form and topographic and geological conditions of the lower reservoir. Therefore, there are four combinations of the shape and structure of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet, which can be freely combined as needed.

[0060] By obtaining the input shape structures of the inlet and outlet of the upper reservoir and the inlet and outlet of the lower reservoir, as well as shape parameters such as the number of orifices, flow velocity through the screen, actual orifice height, actual orifice width, and area ratio of the trash rack, the shape parameters of the inlet and outlet of the upper reservoir and the inlet and outlet of the lower reservoir are verified and adjusted according to key shape parameters such as the height-to-width ratio of the trash rack and the Froude number Fr, and individual three-dimensional models of the inlet and outlet of the upper reservoir and the inlet and outlet of the lower reservoir are generated.

[0061] Get the positions of the three-dimensional models of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet arranged on the water transmission line plan, get the key layout parameters such as the distance between the inlets and outlets, whether they are level, and the offset distance proposed by the designer, and automatically complete the three-dimensional modeling and plan layout of all the upper reservoir inlets and outlets and the lower reservoir inlet and outlet based on the relative position relationship parameters and the associated relationship of the generated water transmission line.

[0062] S3, based on the drawn water supply line plan, preliminarily select the proposed locations of the main buildings and the parameters of key parts in the horizontal and vertical views, establish the two-dimensional and three-dimensional linkage relationship between the horizontal and vertical sections, and generate the three-dimensional water supply line.

[0063] The water supply line plan is manually drawn according to the locations of the inlet and outlet of the upper reservoir and the inlet and outlet of the lower reservoir. According to the water supply line plan and based on the three-dimensional geological model, the proposed locations of the main buildings, as well as the parameters of key parts such as the pressure pipeline and the plant axis are preliminarily selected in the horizontal and vertical sections, and the two-dimensional and three-dimensional linkage relationship of the horizontal and vertical sections is established. Then, the three-dimensional model of the water supply line is constructed based on the engineering experience.

[0064] Specifically, by associating the three-dimensional models of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet with the attribute information such as the pile number and key point elevation in the horizontal and vertical sections, and dynamically updating the positions of the three-dimensional models of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet in the horizontal and vertical sections in combination with the real-time monitoring mechanism, the two- and three-dimensional design linkage of the overall water transfer layout is realized.

[0065] S4, calculating the TW value of the surge tank of the hydropower station, calculating the head loss of the power generation condition and the head loss of the pumping condition. According to the head loss of the power generation condition and the head loss of the pumping condition, constructing a three-dimensional model of the surge tank.

[0066] According to the design specifications of the surge tank of the hydropower station, the TW values ​​of the three parts of the diversion, tailgate, and diversion to tailgate are calculated, and it is determined whether to set up a surge tank according to the calculation results. According to the basic parameters of each section of the water transmission line in the three-dimensional model of the water transmission line in step S3, and the determination result of whether to set up a surge tank, the head loss of the power generation condition and the head loss of the pumping condition are calculated.

[0067] According to the head loss under power generation conditions and the head loss under pumping conditions, the Toma stable section, the highest surge and the lowest surge are calculated. According to the Toma stable section, the highest surge and the lowest surge, the main parameters of the surge tank body structure are calculated, and the three-dimensional model of the surge tank is constructed. The three-dimensional model of the surge tank is associated with the pile number, key point elevation and other attribute information in the horizontal and vertical sections, and the position of the three-dimensional model of the surge tank in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism, so as to realize the two-dimensional and three-dimensional design linkage of the overall water delivery layout.

[0068] S5, construct a three-dimensional model of the gate well according to the shape structure of the gate well and the first main parameter, and establish a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections. Construct a three-dimensional model of the tail lock chamber according to the shape structure of the tail lock chamber and the second main parameter, and establish a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections.

[0069] Obtain the gate well body structure and the first main parameters, and build a three-dimensional model of the gate well. Associate the three-dimensional model of the gate well with the pile number, key point elevation and other attribute information in the horizontal and vertical sections, and dynamically update the position of the three-dimensional model of the gate well in the two-dimensional horizontal and vertical sections in combination with the real-time monitoring mechanism.

[0070] Obtain the body structure and the second main parameter of the tail lock chamber, and construct a three-dimensional model of the tail lock chamber. Associate the three-dimensional model of the tail lock chamber with the pile number, key point elevation and other attribute information in the horizontal and vertical sections, and dynamically update the position of the three-dimensional model of the tail lock chamber in the two-dimensional horizontal and vertical sections in combination with the real-time monitoring mechanism. By establishing a two-dimensional and three-dimensional linkage relationship between the three-dimensional model of the gate well and the three-dimensional model of the tail lock chamber and the horizontal and vertical sections, the two-dimensional and three-dimensional design linkage of the overall water delivery layout is realized.

[0071] S6, obtaining lining parameters, constructing a lining three-dimensional model of the water diversion tunnel according to the lining parameters, and calculating the engineering quantity according to the lining model.

[0072] The lining parameters such as lining thickness and lining form of each water diversion tunnel section input by the user are obtained, and the lining 3D model of the water diversion tunnel is constructed according to the lining parameters. The engineering quantities such as excavation, support, and concrete are calculated according to the 3D model of the water diversion line, the 3D model of the gate well, the 3D model of the tail gate chamber, and the 3D model of the lining.

[0073] The 3D lining model is associated with the pile number, key point elevation and other attribute information in the general horizontal section, and the position of the 3D gate well model in the 2D horizontal and vertical section is dynamically updated in combination with the real-time monitoring mechanism to realize the 2D and 3D design linkage of the general water delivery layout.

[0074] The present invention also discloses a three-dimensional design system for the overall layout of a water delivery system of a pumped storage power station, which is used to execute the above-mentioned three-dimensional design method for the overall layout of a water delivery system of a pumped storage power station, comprising:

[0075] The economic pipe diameter preliminary estimation module extracts relevant parameters from the database, calculates key parameters based on the relevant parameters, calculates key structural parameters of each water diversion tunnel based on the key parameters, and further calculates the tunnel diameter and flow rate of each section of the water diversion tunnel.

[0076] The preliminary design module of the inlet and outlet determines the structural shape and key shape parameters of the inlet and outlet, and constructs the three-dimensional model and plane layout of the inlet and outlet.

[0077] The preliminary simulation module of inlet and outlet water includes:

[0078] The inlet and outlet shape planning module plans the shape structure of the upper reservoir according to the layout form and topographic and geological conditions of the upper reservoir, and plans the shape structure of the lower reservoir according to the layout form and topographic and geological conditions of the lower reservoir. The input inlet and outlet shape structure of the upper reservoir and the inlet and outlet of the lower reservoir, as well as the shape parameters, are obtained, and the shape parameters of the inlet and outlet of the upper reservoir and the inlet and outlet of the lower reservoir are verified and adjusted according to the key shape parameters to generate a single three-dimensional model of the inlet and outlet of the upper reservoir and the inlet and outlet of the lower reservoir.

[0079] The layout management module obtains the positions of the three-dimensional models of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet arranged on the water transmission line plan, defines the relative positions of multiple inlets and outlets according to the layout parameters such as the spacing and offset distance of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet, and completes the three-dimensional modeling and plane layout of all the upper reservoir inlet and outlet and the lower reservoir inlet and outlet.

[0080] The water supply line design module, based on the drawn water supply line plan, preliminarily selects the proposed locations of the main buildings and the parameters of key parts in the horizontal and vertical views, establishes the two- and three-dimensional linkage relationship between the horizontal and vertical sections, and generates the water supply line in three dimensions.

[0081] The water transmission line design module includes:

[0082] The water transmission longitudinal section module obtains the manually drawn plan of the water transmission line, and based on the three-dimensional geological model, preliminarily selects the proposed locations of the main buildings and the parameters of the key parts in the horizontal and longitudinal section.

[0083] The preliminary modeling module of the water transmission line establishes the two- and three-dimensional linkage relationship between the three-dimensional models of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet and the horizontal and vertical sections, and then constructs the three-dimensional model of the water transmission line based on engineering experience.

[0084] The water transmission line management module automatically generates multiple lines based on the generated water transmission line map, as well as main parameters such as buildings, pressure pipes, branch pipes and underground powerhouses. It also supports line point adjustment and can fine-tune the automatically generated lines.

[0085] The surge tank determination and shape estimation module calculates the TW value of the surge tank of the hydropower station, and calculates the head loss under power generation and pumping conditions. According to the head loss under power generation and pumping conditions, a three-dimensional model of the surge tank is constructed.

[0086] The surge well judgment and shape estimation module includes:

[0087] The surge well judgment module calculates the TW values ​​of the lead-in, tail-out, and lead-to-tail-out parts, and determines whether to set up a surge well based on the calculation results. Obtain the judgment results input manually.

[0088] The head loss calculation module calculates the head loss under power generation conditions and the head loss under pumping conditions based on the basic parameters of each section of the water transmission line in the three-dimensional model of the water transmission line and the determination result of whether a surge tank is set.

[0089] The preliminary simulation module of the surge tank calculates the Toma stable section, the highest surge and the lowest surge according to the head loss under power generation conditions and the head loss under pumping conditions. According to the Toma stable section, the highest surge and the lowest surge, the main parameters of the surge tank body structure are calculated and the three-dimensional model of the surge tank is constructed.

[0090] The water conveyance structure shape planning module builds a three-dimensional model of the gate well according to the shape structure and the first main parameter of the gate well, and establishes a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections. According to the shape structure and the second main parameter of the tail lock chamber, a three-dimensional model of the tail lock chamber is built, and a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections is established.

[0091] The module for designing the shape of water supply structures includes:

[0092] The gate well preliminary simulation module obtains the gate well shape structure and the first main parameters, and constructs a three-dimensional model of the gate well. The three-dimensional model of the gate well is associated with the pile number, key point elevation and other attribute information in the horizontal and vertical sections, and the position of the three-dimensional model of the gate well in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism.

[0093] The tailwater accident gate chamber preliminary model module obtains the body structure and the second main parameter of the tailwater gate chamber and constructs a three-dimensional model of the tailwater gate chamber. The three-dimensional model of the tailwater gate chamber is associated with the pile number, key point elevation and other attribute information in the horizontal and vertical sections, and the position of the three-dimensional model of the tailwater gate chamber in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism.

[0094] Determine the lining parameters and calculate the engineering quantity module, obtain the lining parameters, and build the lining 3D model of the water diversion tunnel according to the lining parameters. Calculate the engineering quantity according to the lining model.

[0095] The modules for determining lining parameters and calculating engineering quantities include:

[0096] The lining parameter module obtains the lining parameters such as lining thickness and lining form of each water conveyance tunnel section input by the user, and constructs the lining 3D model of the water conveyance tunnel according to the lining parameters. The lining 3D model is associated with the pile number, key point elevation and other attribute information in the general plan section, and dynamically updates the position of the gate well 3D model in the 2D plan section in combination with the real-time monitoring mechanism, realizing the 2D and 3D design linkage of the general water conveyance layout.

[0097] The engineering quantity statistics module calculates the engineering quantities such as excavation, support, and concrete based on the 3D model of the water transmission line, the 3D model of the gate well, the 3D model of the tail chamber, and the 3D model of the lining.

[0098] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A three-dimensional design method for the overall layout of a water delivery system of a pumped storage power station, characterized in that: The steps include: S1, calculate the key structural parameters of the water conveyance tunnel, and calculate the diameter and flow rate of each section of the water conveyance tunnel based on the key structural parameters; S2, determine the structural shape and key shape parameters of the inlet and outlet, and construct a three-dimensional model and plan layout of the inlet and outlet; S3, based on the drawn water transmission line plan, preliminarily select the proposed locations of the main buildings and the parameters of the key parts in the horizontal and vertical views, establish the two-dimensional and three-dimensional linkage relationship between the horizontal and vertical sections, and construct the three-dimensional model of the water transmission line; S4, calculating the TW value of the surge tank of the hydropower station, calculating the head loss of the power generation condition and the head loss of the pumping condition; constructing a three-dimensional model of the surge tank according to the head loss of the power generation condition and the head loss of the pumping condition; S5, constructing a three-dimensional model of the gate well according to the shape structure of the gate well and the first main parameter, and establishing a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections; constructing a three-dimensional model of the tail lock chamber according to the shape structure of the tail lock chamber and the second main parameter, and establishing a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections; S6, obtaining lining parameters, and constructing a lining three-dimensional model of the water conveyance tunnel according to the lining parameters; calculating the engineering quantity according to the three-dimensional model of the water conveyance line, the three-dimensional model of the gate shaft, the three-dimensional model of the tail gate chamber, and the three-dimensional model of the lining.

2. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 1 is characterized in that: Step S1 includes the following steps: Extract relevant parameters from the database; Calculate key parameters based on relevant parameters; The key structural parameters of each water conveyance tunnel are calculated based on the key parameters, and the tunnel diameter and flow rate of each section of the water conveyance tunnel are further calculated.

3. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 2 is characterized by: The relevant parameters include the reservoir layout, power station kinetic parameters, and hydraulic machine parameters of the previous majors; Key parameters include water tunnel segmentation, lining form and economic flow rate; Key structural parameters include the economic diameter and cross-sectional area of ​​the water transfer tunnel.

4. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 1 is characterized in that: Step S2 includes the following steps: According to the layout of the upper reservoir and the topographic and geological conditions, the shape and structure of the upper reservoir shall be formulated; According to the layout of the lower reservoir and the topographic and geological conditions, the shape and structure of the lower reservoir shall be formulated; By obtaining the input upper reservoir inlet and outlet body structure and lower reservoir inlet and outlet body structure, as well as body shape parameters, the upper reservoir inlet and outlet body shape parameters and the lower reservoir inlet and outlet body shape parameters are verified and adjusted according to the key body shape parameters to generate a single three-dimensional model of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet; Obtain the positions of the three-dimensional models of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet arranged on the water transmission line plan, define the relative positions of multiple inlets and outlets according to the layout parameters of the upper reservoir inlet and outlet and the lower reservoir inlet and outlet, and complete the three-dimensional modeling and plan layout of all the upper reservoir inlet and outlet and the lower reservoir inlet and outlet.

5. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 4 is characterized in that: The shape parameters include the number of orifices, the flow rate through the rack, the actual orifice height, the actual orifice width, and the area ratio of the trash rack; Key shape parameters include trash rack aspect ratio and Froude number.

6. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 1 is characterized in that: Step S3 includes the following steps: According to the plan of the water supply line and based on the three-dimensional geological model, the proposed locations of the main buildings and the parameters of key parts are preliminarily selected in the horizontal and vertical sections, the two-dimensional and three-dimensional linkage relationship of the horizontal and vertical sections is established, and then the three-dimensional model of the water supply line is constructed according to the engineering experience.

7. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 1, characterized in that: Step S4 includes the following steps: Calculate the TW values ​​of the lead-in, tail-out, and lead-to-tail parts, and determine whether to set up a surge tank based on the calculation results; According to the basic parameters of each section of the water transmission line in the three-dimensional model of the water transmission line and the determination result of whether to set up a surge tank, the head loss of the power generation condition and the head loss of the pumping condition are calculated; According to the head loss under power generation condition and the head loss under pumping condition, calculate the Toma stable section, the highest surge and the lowest surge; According to the Toma stable section, the highest surge and the lowest surge, the main parameters of the surge well structure are calculated and a three-dimensional model of the surge well is constructed. The three-dimensional model of the surge tank is associated with the attribute information in the horizontal and vertical sections, and the position of the three-dimensional model of the surge tank in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism.

8. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 1 is characterized by: Step S5 includes the following steps: Obtain the gate well body structure and the first main parameters, and construct a three-dimensional model of the gate well; The gate well three-dimensional model is associated with the attribute information in the horizontal and vertical sections, and the position of the gate well three-dimensional model in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism; Obtain the body structure and second main parameters of the tail lock chamber and construct a three-dimensional model of the tail lock chamber; The three-dimensional model of the tail lock chamber is associated with the attribute information in the horizontal and vertical sections, and the position of the three-dimensional model of the tail lock chamber in the two-dimensional horizontal and vertical sections is dynamically updated in combination with the real-time monitoring mechanism.

9. The three-dimensional design method for the overall layout of the water delivery system of a pumped storage power station according to claim 8, characterized in that: Attribute information includes pile numbers and key point elevations in horizontal and vertical sections.

10. A three-dimensional design system for the overall layout of a water delivery system of a pumped storage power station, used to execute the three-dimensional design method for the overall layout of a water delivery system of a pumped storage power station according to any one of claims 1 to 9, characterized in that: include: The economic pipe diameter preliminary estimation module extracts relevant parameters from the database, calculates key parameters based on the relevant parameters, calculates key structural parameters of each water conveyance tunnel based on the key parameters, and further calculates the diameter and flow rate of each section of the water conveyance tunnel; The preliminary design module of the inlet and outlet determines the structural shape and key shape parameters of the inlet and outlet, and constructs the three-dimensional model and plane layout of the inlet and outlet; The water transmission line design module, based on the drawn water transmission line plan, preliminarily selects the proposed location of the main buildings and the parameters of key parts in the horizontal and vertical views, establishes the two-dimensional and three-dimensional linkage relationship between the horizontal and vertical sections, and generates the three-dimensional water transmission line; The module for judging and proposing the shape of the surge tank is used to calculate the TW value of the surge tank of the hydropower station, the head loss under power generation conditions and the head loss under pumping conditions; and a three-dimensional model of the surge tank is constructed based on the head loss under power generation conditions and the head loss under pumping conditions; The water conveyance structure shape planning module constructs a three-dimensional model of the gate well according to the shape structure and the first main parameter of the gate well, and establishes a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections; constructs a three-dimensional model of the tail lock chamber according to the shape structure and the second main parameter of the tail lock chamber, and establishes a two-dimensional and three-dimensional linkage relationship with the horizontal and vertical sections; Determine the lining parameters and calculate the engineering quantity module, obtain the lining parameters, build the lining three-dimensional model of the water diversion tunnel according to the lining parameters; calculate the engineering quantity according to the lining model.

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