CN113236470A - Constant-rotation-speed power generation method for calculating variable-angle blade based on flow velocity - Google Patents
Constant-rotation-speed power generation method for calculating variable-angle blade based on flow velocity Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
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Abstract
The invention provides a constant rotating speed power generation method for calculating a variable-angle blade based on flow velocity, which comprises the following steps of: s1: firstly, selecting the rotation direction of an angle water wheel; s2: measuring and calculating the water flow flowing in the river channel dam body every minute; s3: the application of a radar flow velocity measuring and calculating instrument, a radar water level instrument and a remote control terminal; s4: adjusting the angle of the variable-angle water wheel; s5: and the realization condition of constant rotating speed. The method comprises the steps that monitoring is achieved on some electric equipment in the hydroelectric power generation process through various editions, the flow velocity of the water body can be accurately determined according to the water flow of different areas obtained through radar measurement and calculation by blades in variable angles, fixed-point measurement and calculation of the flow velocity of the water body are achieved through body flow velocity measurement and calculation by means of flow velocity measurement and calculation instruments set at the hydroelectric power generation end and the flowing place of a river channel, the programmed process of determining the required flow by measuring and calculating the drop height between a dam or a power generation river channel through a radar level gauge is achieved, and therefore the purpose of more convenient flow measurement and calculation is achieved.
Description
Technical Field
The invention belongs to the technical field of power generation, and particularly relates to a constant rotating speed power generation method for calculating a variable-angle blade based on flow velocity.
Background
Current hydraulic generator is not convenient for realize real-time detection conversion with the concrete data of electricity generation in-process when generating electricity to it, leads to being unfavorable for in the use to the adjustment between the equipment, also can't adjust the blade of generator through the velocity of flow, more can't realize carrying out invariable regulation to hydraulic generator's rotational speed.
Disclosure of Invention
The invention aims to provide a constant rotating speed power generation method for calculating variable-angle blades based on flow velocity, and aims to solve the problems that in the prior art, a hydroelectric generator cannot adjust blades of the generator through the flow velocity, and further cannot realize constant adjustment of the rotating speed of the hydroelectric generator.
In order to achieve the purpose, the invention provides the following technical scheme: the method comprises the following steps:
s1: firstly, selecting the rotation direction of an angle water wheel;
s3: the application of a radar flow velocity measuring and calculating instrument, a radar water level instrument and a remote control terminal;
s4: adjusting the angle of the variable-angle water wheel;
s5: realizing conditions of constant rotating speed;
s6: adjusting the blades;
s7: measuring and calculating the efficiency of converting flow speed into electric power;
s8: storing the current conversion;
s9: managing a power supply;
s10: and (5) final battery storage measurement.
As a preferable aspect of the present invention, according to step S1: defining a first step: the water conservancy water wheels that adjustable flow direction that hydroelectric power used.
Firstly, placing a hydroelectric generation water wheel in rivers, lakes and seas, wherein the depth can be adjusted according to the water flow direction, at the moment, an installer surveys the installation position of an angle water wheel needing hydroelectric generation on the spot, the hydroelectric generation mode can be finely adjusted according to the flow speed of the river water flow to achieve a convenient flow speed calculation mode, equipment for hydroelectric generation is spiral power generation plasma of the angle-variable water wheel, a dam power generation mode is adopted, a dam is built in a river section with large fall, reservoir water storage is built to improve the water level, a water turbine is installed outside the dam, the water flow of the reservoir passes through a water conveying channel (water guide channel) to the water turbine at the lower part outside the dam, the water flow pushes the water turbine to rotate to drive a generator to generate power, and then the water turbine passes through a tail water channel to the downstream river channel, which is a dam building reservoir power generation mode;
the second step is as follows: the propeller for hydroelectric power generation has the following functions:
1) the rotation (basic function) is realized through the flowing speed of water flow, the belt pulley of the output end is driven to rotate, the rotating propeller on one side of the water wheel drives the rotating rod of the output end to rotate, the rotating rods uniformly rotate at the moment, the water flow pressure difference generated by the mode of building a dam on the outer side at the moment is generated, as the water surface of a reservoir in the dam and the water outlet surface of a water turbine outside the dam have larger water difference, a large amount of water in the reservoir does work through larger potential energy, and high water resource utilization rate can be obtained, the hydropower station built by adopting the dam building and centralized fall method is called a dam type hydropower station, mainly comprises a dam type hydropower station and a river type hydropower station, and then the power generation adjustment of the water flow is realized, the position of the hydraulic power generation body at the moment can be adjusted to the maximum water flow fall position of the drive output end by displacement on the outer side of the dam body, so that the hydraulic power transmission conversion is more favorable, at the moment, the hydraulic mechanical energy of the dam type hydropower station drives the generator to work to generate driving rotation, so that the generated high-speed rotation reaches the mechanical force of water wheel rotation, and the rotating end of the mechanical force drives the generator at the output end to convert the mechanical force into the subsequent mechanical force and convert the mechanical force into electric energy;
2) power conversion method of hydroelectric power station: the rotatable adjustment of water wheels end position, perhaps the whole position of laying hydroelectric power generation end is adjustable promptly, and the rivers direction of dam body is adjustable, changes the river course and flows into the direction promptly, and water wheels are adjustable sets up the traction gear below placing the base position with whole water wheels.
As a preferable aspect of the present invention, according to step S2: the first step is as follows: the principle of the measuring and calculating method is as follows:
q ═ Sv ═ constant (S is the cross-sectional area, v is the water flow velocity) (hydrodynamically grown Q ═ AV), in cubic meters per second;
when the incompressible fluid flows constantly, the flow rate passing through each section of the same flow pipe is unchanged;
measuring the flow rate of a fluid flowing in a certain channel is generally called flow measurement, and the fluid for measuring the flow rate is diversified, such as gas, liquid and mixed fluid as a measurement object; the temperature, pressure and flow rate of the fluid are different greatly, and the required measurement accuracy is different; therefore, the task of flow measurement is to research various corresponding measurement methods according to measurement conditions such as the measurement purpose, the type of the measured fluid, the flow state, the measurement place and the like, and ensure the correct transmission of the flow quantity value;
the principle adopts a Bernoulli water flow velocity measurement equation: p + ρ gh + (1/2) × ρ v ^2 ═ c; in the formula: p, ρ, v are the pressure, density and velocity of the fluid, respectively; h is the vertical height; g is the acceleration of gravity; c is a constant;
each item of the above formula respectively represents the pressure energy p, the gravitational potential energy rho gh and the kinetic energy (1/2) × rho ^2 of the unit volume fluid, and the sum keeps unchanged in the process of moving along the flow line, namely the total energy is conserved; however, the total energy (i.e. the constant value in the above formula) may be different between the streamlines, and the principle achieved is programmed, and currently, a radar measurement and calculation method is adopted in combination with regular common variables: time; the method comprises the following specific steps:
according to the principle, the method can be combined with a radar flow velocity measuring and calculating instrument, so that the flow can be accurately measured and calculated.
As a preferable aspect of the present invention, according to step S3: firstly, in order to accurately determine the water body flow velocity, fixed-point measurement and calculation of the water body flow velocity are achieved through body flow velocity measurement and calculation by means of flow velocity measurement and calculation instruments set at a hydroelectric power generation end and a river channel flowing place;
the radar water level gauge measures and calculates the fall water level between the dam or the power generation river channel to determine the programmed process between the required flows so as to measure and calculate the flows more conveniently and rapidly, and the flow velocity condition of the variable-angle blade area is obtained by measuring and calculating according to the remote control terminal;
the hydro-generator is characterized in that a water turbine and a generator are connected together through a large shaft and a flange, water flow drives the water turbine to rotate, the water turbine drives a generator rotor to rotate, the rotor is provided with direct current to form a rotating magnetic field, a stator bar is cut, a synchronous rotating magnetic field is generated in a generator stator, alternating current exists, and the synchronous hydro-generator is provided.
As a preferable aspect of the present invention, according to step S4: the first step is as follows: according to the feedback, the required content is obtained, and then the flow velocity is obtained, the rotating speed of the blade can be measured and calculated according to the obtained unified water flow direction, then the position of the blade is closely finely adjusted according to different measuring and calculating places at the river channel dam, the measuring and calculating basis is that a plurality of radar flow velocity detectors are distributed on each river channel, the obtained water flow velocity is detected, the displacement mode of the water wheel power generation end is that the displacement adjustment is realized by adopting the cross between an electric telescopic rod and a sliding track, the adjustment of the water wheel angle is that an upper rotating rod is arranged at the bottom of the water wheel, the position of the water wheel is linearly displaced on the river channel to be adjusted to the position of the river channel with higher water wheel speed, the rotating end below the blade can be provided with an angle adjusting motor to realize the rotary adjustment of the whole water wheel body, therefore, the required data is usually obtained through the measurement and calculation of the body, and then fine tuning is performed for the subsequent power conversion mode.
As a preferable aspect of the present invention, according to step S5: the first step is as follows: it is required that the force density at which the reservoir or the upstream fluid falls is constant.
The second step is that: in the process that water flows continuously and continuously downwards, it is necessary to ensure that the internal water flow direction is continuously and stably, the switching of water flow channels is quickly realized as far as possible in the water flow adjusting process in the traditional water flow direction, and further adjustment is realized according to the place where the quick water flow is placed in the reservoir and the position in the flow velocity direction;
the control mode of water flow conversion is that the water flow is adjusted through a region where the water flow is faster from one end of the water body to the other end;
the third solution is: lay a plurality of water wheels on the river course side, and the mode of putting between a plurality of water wheels has different position adjustment, make it unify the interception in the different position that forms between the river course riverbed, when the river was crossed like this, through foretell rivers detection area, finely tune on the water wheels angle and the position of the velocity of flow to different positions that detects, just so can cover more river course power, become electric power with its mechanical energy conversion, solve because the interior velocity of flow of river produces timely benefit position adjustment when changing in the river course.
As a preferable aspect of the present invention, according to step S6:
(1) the river channel body is finely adjusted by directly arranging a slide rail and a slide way for traction at the river channel and arranging an impeller for power generation on the slide way, so that the position of the whole blade for converting mechanical energy is finely adjusted;
(2) fine adjustment is realized on the whole place for conversion, so that fine adjustment of limiting support among devices is realized;
as a preferable aspect of the present invention, according to step S7: conversion ratio of Power: efficiency is 100% of actual output power/9.81/head/flow of the generator;
the rotation efficiency of the generator at the output end is measured and calculated by the speed generated after the impeller is driven to rotate, so that the measurement and calculation adjustment in the speed direction is realized;
the actual power generation of the generator is measured and calculated by adjusting the actual output power of the generator and the converted power.
As a preferable aspect of the present invention, according to step S8: the storage of power conversion drives the generator and stores in the process of generating power by means of lead-acid batteries or lithium batteries, the storage process is formed by charging each storage battery through a power station, the charging process utilizes the current converted by the generator, and the subsequent generated rotating acting force further achieves the conversion and storage of the current.
As a preferable aspect of the present invention, according to step S9: when each storage battery stores electric power, the current detection is needed to be carried out on each storage battery to realize the current calculation, so that the unified realization of the current calculation on the power supply is facilitated, and the adopted detectors are respectively as follows: the temperature detector, the current detector and the UPS manager realize the unified management and measurement of the storage battery.
As a preferable aspect of the present invention, according to step S10: a battery management system (BSM) adopted in the first step;
the generated high-voltage current is stabilized into high-voltage current convenient for long-distance transmission through an auxiliary transformer, and then the high-voltage current is finally transmitted to a nearest power plant; the power management is as follows: hardware: programmable voltage detector PVD, power supply system of STM 32.
Compared with the prior art, the invention has the beneficial effects that:
1) monitoring is achieved on some electric equipment in the hydroelectric generation process by adopting various editions, the flow velocity of the water body can be accurately determined by the blades at variable angles according to the water flow of different areas obtained by radar measurement, fixed-point measurement and calculation of the flow velocity of the water body are achieved by the aid of flow velocity measuring and calculating instruments set at the hydroelectric generation end and the flowing place of a river channel, a programmed process between required flows is determined by the radar water level gauge through measuring and calculating the fall water level between a dam or a power generation river channel, so that more convenient flow measurement and calculation are achieved, and the constant rotating speed of a generator is adjusted;
2) rotation (basic function) is realized through the flowing speed of water flow, a belt pulley of an output end is driven to rotate, a rotating propeller on one side of a water wheel drives a rotating rod of the output end to rotate, the rotating rods rotate uniformly at the moment, the water flow pressure difference generated by the dam building mode positioned on the outer side at the moment is generated, a large water level difference exists between the water surface of a reservoir in a dam and the water outlet surface of a water turbine outside the dam, a large amount of water in the reservoir does work through large potential energy, high water resource utilization rate can be obtained, a hydropower station built by adopting a dam building and concentrated fall method is called a dam type hydropower station, mainly a dam rear hydropower station and a river type hydropower station are provided, then, the power generation adjustment of the water flow is achieved, and the position of the adjustable hydraulic power of a hydraulic power body at the moment can be adjusted through displacement outside the dam body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme: the method comprises the following steps:
in this embodiment: s1: the direction of rotation of the angled water wheel is first selected.
Specifically, the method comprises the following steps: defining a first step: the hydraulic turbine with adjustable flow direction is used for hydraulic power generation;
firstly, placing a hydroelectric generation water wheel in rivers, lakes and seas, wherein the depth can be adjusted according to the water flow direction, at the moment, an installer surveys the installation position of an angle water wheel needing hydroelectric generation on the spot, the hydroelectric generation mode can be finely adjusted according to the flow speed of the river water flow to achieve a convenient flow speed calculation mode, equipment for hydroelectric generation is spiral power generation plasma of the angle-variable water wheel, a dam power generation mode is adopted, a dam is built in a river section with large fall, reservoir water storage is built to improve the water level, a water turbine is installed outside the dam, the water flow of the reservoir passes through a water conveying channel (water guide channel) to the water turbine at the lower part outside the dam, the water flow pushes the water turbine to rotate to drive a generator to generate power, and then the water turbine passes through a tail water channel to the downstream river channel;
the second step is as follows: the function of a propeller for hydroelectric power generation;
the rotation (basic function) is realized through the flowing speed of water flow, the belt pulley of the output end is driven to rotate, the rotating propeller on one side of the water wheel drives the rotating rod of the output end to rotate, the rotating rods uniformly rotate at the moment, the water flow pressure difference generated by the mode of building a dam on the outer side at the moment is generated, as the water surface of a reservoir in the dam and the water outlet surface of a water turbine outside the dam have larger water difference, a large amount of water in the reservoir does work through larger potential energy, and high water resource utilization rate can be obtained, the hydropower station built by adopting the dam building and centralized fall method is called a dam type hydropower station, mainly comprises a dam type hydropower station and a river type hydropower station, and then the power generation adjustment of the water flow is realized, the position of the hydraulic power generation body at the moment can be adjusted to the maximum water flow fall position of the drive output end by displacement on the outer side of the dam body, so that the hydraulic power transmission conversion is more favorable, at the moment, the hydraulic mechanical energy of the dam type hydropower station drives the generator to work to generate driving rotation, so that the generated high-speed rotation reaches the mechanical force of water wheel rotation, and the rotating end of the mechanical force drives the generator at the output end to convert the mechanical force into the subsequent mechanical force and convert the mechanical force into electric energy;
power conversion method of hydroelectric power station: the rotatable adjustment of water wheels end position, perhaps the whole position of laying hydroelectric power generation end is adjustable promptly, and the rivers direction of dam body is adjustable, changes the river course and flows into the direction promptly, and water wheels are adjustable sets up the traction gear below placing the base position with whole water wheels.
S2: and measuring and calculating the water flow flowing in the river channel dam body every minute.
The first step is as follows: the measurement principle is as follows:
q ═ Sv ═ constant (S is the cross-sectional area, v is the water flow velocity) (hydrodynamically grown Q ═ AV), in cubic meters per second;
when the incompressible fluid flows constantly, the flow rate passing through each section of the same flow pipe is unchanged;
measuring the flow rate of a fluid flowing in a certain channel is generally called flow measurement, and the fluid for measuring the flow rate is diversified, such as gas, liquid and mixed fluid as a measurement object; the temperature, pressure and flow rate of the fluid are different greatly, and the required measurement accuracy is different; therefore, the task of flow measurement is to research various corresponding measurement methods according to measurement conditions such as the measurement purpose, the type of the measured fluid, the flow state, the measurement place and the like, and ensure the correct transmission of the flow quantity value;
the principle adopts a Bernoulli water flow velocity measurement equation: p + ρ gh + (1/2) × ρ v ^2 ═ c;
in the formula, p, rho and v are respectively the pressure, density and speed of the fluid, h is the vertical height, g is the gravity acceleration and c is a constant;
each item of the above formula respectively represents the pressure energy p, the gravitational potential energy rho gh and the kinetic energy (1/2) × rho ^2 of the unit volume fluid, and the sum keeps unchanged in the process of moving along the flow line, namely the total energy is conserved; however, the total energy (i.e. the constant value in the above formula) may be different between the streamlines, and the principle achieved is programmed, and currently, a radar measurement and calculation method is adopted in combination with regular common variables: time; the method comprises the following specific steps:
according to the principle, the device can be combined with a radar flow velocity measuring and calculating instrument, so that the flow can be accurately measured and calculated;
in this embodiment: s3: the radar flow velocity measuring instrument, the radar water level instrument and the remote control terminal are applied.
Specifically, the method comprises the following steps: firstly, in order to accurately determine the water body flow velocity, the fixed-point measurement and calculation of the water body flow velocity are achieved through the body flow velocity measurement and calculation by means of flow velocity measurement and calculation instruments set at the hydroelectric power generation end and the river channel flowing place.
The radar water level gauge measures and calculates the fall water level between the dam or the power generation river channel to determine the programmed process between the required flows so as to measure and calculate the flows more conveniently and rapidly, and the flow velocity condition of the variable-angle blade area is obtained by measuring and calculating according to the remote control terminal;
the hydraulic generator is characterized in that a hydraulic turbine and a generator are provided as the name implies, the hydraulic turbine is connected with the generator through a large shaft and a flange, water flow drives the hydraulic turbine to rotate, the hydraulic turbine drives a generator rotor to rotate, the rotor is electrified with direct current to form a rotating magnetic field, a stator bar is cut, a synchronous rotating magnetic field is generated in a generator stator, and alternating current exists, so that the synchronous hydraulic generator is provided;
in this embodiment: s4: the angle adjusting method for the variable-angle water wheel specifically comprises the following steps: the first step is as follows: according to the feedback, the required content is obtained, and then the flow velocity is obtained, the rotating speed of the blade can be measured and calculated according to the obtained unified water flow direction, then the position of the blade is closely and finely adjusted according to different measuring and calculating places at the river channel dam, the measuring and calculating basis is that a plurality of radar flow velocity detectors are distributed on each river channel, the water flow velocity is obtained by detection, the displacement mode of the water wheel power generation end is that the displacement adjustment is realized by adopting the cross between an electric telescopic rod and a sliding track, the adjustment of the water wheel angle is that an upper rotating rod is arranged at the bottom of the water wheel, the position of the water wheel is linearly displaced on the river channel, so that the water wheel power generation end is adjusted to the position of the river channel with higher water wheel speed, the rotating end below the blade can be provided with an angle adjusting motor to realize the rotary adjustment of the whole water wheel body, therefore, the required data is usually obtained by the measurement and calculation of the body, and then fine tuning is performed for the subsequent power conversion mode.
In this embodiment: s5: and the realization condition of constant rotating speed.
Specifically, the method comprises the following steps: the first step is as follows: the force density when the reservoir or the upstream water falls is required to be constant;
the second step is that: in the process that water flows continuously and continuously downwards, it is necessary to ensure that the internal water flow direction is continuously and stably, the switching of water flow channels is quickly realized as far as possible in the water flow adjusting process in the traditional water flow direction, and further adjustment is realized according to the place where the quick water flow is placed in the reservoir and the position in the flow velocity direction;
the control mode of water flow conversion is that the water flow is adjusted through a region where the water flow is faster from one end of the water body to the other end;
the third solution is: lay a plurality of water wheels on the river course side, and the mode of putting between a plurality of water wheels has different position adjustment, make it unify the interception in the different position that forms between the river course riverbed, when the river was crossed like this, through foretell rivers detection area, finely tune on the water wheels angle and the position of the velocity of flow to different positions that detects, just so can cover more river course power, become electric power with its mechanical energy conversion, solve because the interior velocity of flow of river produces timely benefit position adjustment when changing in the river course.
In this embodiment: s6: the way the blades are adjusted.
Specifically, the method comprises the following steps: (1) the river channel body is finely adjusted by directly arranging a slide rail and a slide way for traction at the river channel and arranging an impeller for power generation on the slide way, so that the position of the whole blade for converting mechanical energy is finely adjusted;
(2) fine adjustment is realized on the whole place for conversion, so that fine adjustment of limiting support among devices is realized;
in this embodiment: s7: and measuring and calculating the efficiency of converting the flow speed into the electric power.
Specifically, the method comprises the following steps: conversion ratio of Power: efficiency is 100% of actual output power/9.81/head/flow of the generator;
the rotation efficiency of the generator at the output end is measured and calculated by the speed generated after the impeller is driven to rotate, so that the measurement and calculation adjustment in the speed direction is realized;
the actual power generation of the generator is measured and calculated by adjusting the actual output power of the generator and the converted power.
Specifically, the method comprises the following steps: the storage of power conversion drives the generator and stores in the process of generating power by means of lead-acid batteries or lithium batteries, the storage process is formed by charging each storage battery through a power station, the charging process utilizes the current converted by the generator, and the subsequent generated rotating acting force further achieves the conversion and storage of the current.
S9: power management:
specifically, the method comprises the following steps: when each storage battery stores electric power, the current calculation needs to be carried out on each storage battery through the current calculation, so that the current calculation management is realized on the power supply in a unified manner, and the adopted detectors are respectively as follows: the temperature detector, the current detector and the UPS manager realize the unified management and measurement of the storage battery.
S10: finally, battery storage measurement and calculation are carried out;
specifically, the method comprises the following steps: the battery management system BSM adopted in the first step:
the generated high-voltage current is stabilized into high-voltage current convenient for long-distance transmission through an auxiliary transformer, and then the high-voltage current is finally transmitted to a nearest power plant;
the power management is as follows: hardware: programmable voltage detector PVD, power supply system of STM 32.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that certain features may be replaced by equivalents thereof; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The constant-speed power generation method for calculating the variable-angle blade based on the flow speed is characterized by comprising the following steps of:
s1: firstly, selecting the rotation direction of an angle water wheel;
s2: measuring and calculating the water flow flowing in the river channel dam body every minute;
s3: the application of a radar flow velocity measuring and calculating instrument, a radar water level instrument and a remote control terminal;
s4: adjusting the angle of the variable-angle water wheel;
s5: realizing conditions of constant rotating speed;
s6: adjusting the blades;
s7: and (3) measuring and calculating the efficiency of converting flow speed into electric power:
s8: storing the current conversion;
s9: managing a power supply;
s10: and (5) final battery storage measurement.
2. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: according to the step of S1, the rotating direction of the angle water wheel needs to be selected firstly, so that the following sub-steps need to be carried out:
the first step is as follows: the hydraulic turbine with adjustable flow direction is used for hydraulic power generation;
firstly, placing a hydroelectric generation water wheel in rivers, lakes and seas, wherein the depth can be adjusted according to the water flow direction, at the moment, an installer surveys the installation position of an angle water wheel needing hydroelectric generation on the spot, the hydroelectric generation mode can be finely adjusted according to the flow speed of the river water flow to achieve a convenient flow speed calculation mode, equipment for hydroelectric generation is spiral power generation plasma of the angle-variable water wheel, a dam power generation mode is adopted, a dam is built in a river section with large fall, reservoir water storage is built to improve the water level, a water turbine is installed outside the dam, the water flow of the reservoir passes through a water conveying channel (water guide channel) to the water turbine at the lower part outside the dam, the water flow pushes the water turbine to rotate to drive a generator to generate power, and then the water turbine passes through a tail water channel to the downstream river channel;
the second step is as follows: the propeller for hydroelectric power generation has the following functions:
1) the rotation (basic function) is realized through the flowing speed of water flow, the belt pulley of the output end is driven to rotate, the rotating propeller on one side of the water wheel drives the rotating rod of the output end to rotate, the rotating rods uniformly rotate at the moment, the water flow pressure difference generated by the mode of building a dam on the outer side at the moment is generated, as the water surface of a reservoir in the dam and the water outlet surface of a water turbine outside the dam have larger water difference, a large amount of water in the reservoir does work through larger potential energy, and high water resource utilization rate can be obtained, the hydropower station built by adopting the dam building and centralized fall method is called a dam type hydropower station, mainly comprises a dam type hydropower station and a river type hydropower station, and then the power generation adjustment of the water flow is realized, the position of the hydraulic power generation body at the moment can be adjusted to the maximum water flow fall position of the drive output end by displacement on the outer side of the dam body, so that the hydraulic power transmission conversion is more favorable, at the moment, the hydraulic mechanical energy of the dam type hydropower station drives the generator to work to generate driving rotation, so that the generated high-speed rotation reaches the mechanical force of water wheel rotation, and the rotating end of the mechanical force drives the generator at the output end to convert the mechanical force into the subsequent mechanical force and convert the mechanical force into electric energy; power conversion method of hydroelectric power station: the rotatable adjustment of water wheels end position, perhaps the whole position of laying hydroelectric power generation end is adjustable promptly, and the rivers direction of dam body is adjustable, changes the river course and flows into the direction promptly, and water wheels are adjustable sets up the traction gear below placing the base position with whole water wheels.
3. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: according to the technical scheme customized by S3:
the first step is as follows: the principle of the measuring and calculating method is as follows:
q ═ Sv ═ constant (S is the cross-sectional area, v is the water flow velocity) (hydrodynamically grown Q ═ AV), in cubic meters per second;
when the incompressible fluid flows constantly, the flow rate passing through each section of the same flow pipe is unchanged;
measuring the flow rate of a fluid flowing in a certain channel is generally called flow measurement, and the fluid for measuring the flow rate is diversified, such as gas, liquid and mixed fluid as a measurement object; the temperature, pressure and flow rate of the fluid are different greatly, and the required measurement accuracy is different; therefore, the task of flow measurement is to research various corresponding measurement methods according to measurement conditions such as the measurement purpose, the type of the measured fluid, the flow state, the measurement place and the like, and ensure the correct transmission of the flow quantity value;
the principle adopts a Bernoulli water flow velocity measurement equation: p + rho gh + (1/2). rho v ^2 ═ c, wherein p, rho and v are respectively the pressure, density and speed of the fluid, h is the vertical height, g is the gravity acceleration and c is a constant;
each item of the above formula respectively represents the pressure energy p, the gravitational potential energy rho gh and the kinetic energy (1/2) × rho ^2 of the unit volume fluid, and the sum keeps unchanged in the process of moving along the flow line, namely the total energy is conserved; however, the total energy (i.e. the constant value in the above formula) may be different between the flow lines, and the algorithm principle achieved is programmed, and the radar measurement and calculation method is currently adopted in combination with the regular common variables: time; the method comprises the following specific steps:
according to the principle, the method can be combined with a radar flow velocity measuring and calculating instrument, so that the flow can be accurately measured and calculated.
4. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: the specific code shown according to step S4 is as follows: firstly, in order to accurately determine the water body flow velocity, fixed-point measurement and calculation of the water body flow velocity are achieved through body flow velocity measurement and calculation by means of flow velocity measurement and calculation instruments set at a hydroelectric power generation end and a river channel flowing place;
the radar water level gauge measures and calculates the fall water level between the dam or the power generation river channel to determine the programmed process between the required flows so as to measure and calculate the flows more conveniently and rapidly, and the flow velocity condition of the variable-angle blade area is obtained by measuring and calculating according to the remote control terminal;
the hydro-generator is characterized in that a water turbine and a generator are connected together through a large shaft and a flange, water flow drives the water turbine to rotate, the water turbine drives a generator rotor to rotate, the rotor is provided with direct current to form a rotating magnetic field, a stator bar is cut, a synchronous rotating magnetic field is generated in a generator stator, alternating current exists, and the synchronous hydro-generator is provided.
5. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: according to a further embodiment of S5: firstly, obtaining required contents according to the feedback to further obtain flow velocity, wherein the rotating speed of the blade can be measured and calculated according to the obtained unified water flow direction, then the position of the blade is closely finely adjusted according to different measuring and calculating places at the position of a river channel dam, the measuring and calculating are based on a plurality of radar flow velocity detectors distributed on each river channel to detect the obtained water flow velocity, the displacement mode of the water wheel power generation end adopts the cross between an electric telescopic rod and a sliding track to realize displacement adjustment, the adjustment of the water wheel angle is realized by arranging an upper rotating rod at the bottom of the water wheel to linearly displace the position of the water wheel on the river channel so as to adjust the position of the water wheel to the position of the river channel with higher water wheel speed, and the rotating end below the blade can be provided with an angle adjusting motor to realize rotary adjustment of the whole water wheel body, so that required data are generally obtained through the measurement and calculation of the body, and then fine tuning is performed for the subsequent power conversion mode.
6. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: according to a further possible embodiment of S6, the first step: the force density when the reservoir or the upstream water falls is required to be constant;
the second step is that: in the process that water flows continuously and continuously downwards, it is necessary to ensure that the internal water flow direction is continuously and stably, the switching of water flow channels is quickly realized as far as possible in the water flow adjusting process in the traditional water flow direction, and further adjustment is realized according to the place where the quick water flow is placed in the reservoir and the position in the flow velocity direction;
the control mode of water flow conversion is that the water flow is adjusted through a region where the water flow is faster from one end of the water body to the other end;
the third solution is: lay a plurality of water wheels on the river course side, and the mode of putting between a plurality of water wheels has different position adjustment, make it unify the interception in the different position that forms between the river course riverbed, when the river was crossed like this, through foretell rivers detection area, finely tune on the water wheels angle and the position of the velocity of flow to different positions that detects, just so can cover more river course power, become electric power with its mechanical energy conversion, solve because the interior velocity of flow of river produces timely benefit position adjustment when changing in the river course.
7. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: the detailed step of S7: (1) the river channel body is finely adjusted by directly arranging a slide rail and a slide way for traction at the river channel and arranging an impeller for power generation on the slide way, so that the position of the whole blade for converting mechanical energy is finely adjusted;
(2) fine adjustment is realized on the whole place for conversion, so that fine adjustment of limiting support among devices is realized;
conversion ratio of Power: efficiency is 100% of actual output power/9.81/head/flow of the generator;
the rotation efficiency of the generator at the output end is measured and calculated by the speed generated after the impeller is driven to rotate, so that the measurement and calculation adjustment in the speed direction is realized;
the actual power generation of the generator is measured and calculated by adjusting the actual output power of the generator and the converted power.
8. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 7, characterized in that: the specific steps according to S8 are as follows: the storage of power conversion drives the generator and stores in the process of generating power by means of lead-acid batteries or lithium batteries, the storage process is formed by charging each storage battery through a power station, the charging process utilizes the current converted by the generator, and the subsequent generated rotating acting force further achieves the conversion and storage of the current.
9. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: the specific steps according to S9 are as follows: when each storage battery stores electric power, the current measurement is needed to be carried out on each storage battery to realize the measurement and calculation, so that the current calculation and calculation management is realized on the power supply in a unified manner, and the adopted detectors are respectively as follows: the temperature detector, the current detector and the UPS manager realize the unified management and measurement of the storage battery.
10. The constant rotation speed power generation method of calculating a variable angle blade based on a flow rate according to claim 1, characterized in that: the specific steps according to S10 are as follows: the battery management system BSM adopted in the first step:
the generated high-voltage current is stabilized into high-voltage current convenient for long-distance transmission through an auxiliary transformer, and then the high-voltage current is finally transmitted to a nearest power plant;
the power management is as follows: hardware: programmable voltage detector PVD, power supply system of STM 32.
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