CN218066677U

CN218066677U - Hydropower station water level measuring device

Info

Publication number: CN218066677U
Application number: CN202221297156.7U
Authority: CN
Inventors: 余建生
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-12-16
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a power station water level measurement device in water level measurement technical field, including the reservoir wall body to and through the flotation pontoon liquid level monitoring subassembly of bolt fastening on reservoir wall body lateral wall, the lateral wall of reservoir wall body is provided with the rivers buffering subassembly that slows down rivers and strike to flotation pontoon liquid level monitoring subassembly in the bilateral symmetry of flotation pontoon liquid level monitoring subassembly, the utility model discloses a both sides at flotation pontoon liquid level monitoring subassembly are provided with rivers buffering subassembly, and when rivers pass through the rectangular frame inner chamber, rivers can promote the rotation of buffering impeller to can slow down rivers to the impact of flotation pontoon liquid level monitoring subassembly, reduce because the impact of rivers and influence the monitoring of flotation pontoon liquid level monitoring subassembly to the liquid level, and the rotation of buffering impeller can drive the rotation of microgenerator motor shaft, thereby when slowing down rivers and strike to flotation pontoon liquid level monitoring subassembly, can utilize rivers to generate electricity.

Description

Hydropower station water level measuring device

Technical Field

The utility model relates to a water level measurement technical field specifically is a power station water level measuring device.

Background

A hydraulic power plant is a plant which converts potential energy and kinetic energy of water into electric energy. The basic production process comprises the following steps: water is drawn from the high position of a river or other reservoirs, the water turbine is driven to rotate by the pressure or the flow velocity of the water, the gravitational potential energy and the kinetic energy are converted into mechanical energy, and then the water turbine drives the generator to rotate, so that the mechanical energy is converted into electric energy. The power station is mainly composed of four parts, namely a water retaining building (dam), a flood discharge building (spillway or gate), a water diversion building (diversion canal or tunnel including surge shaft) and a power station factory building (tail canal and booster station). The main components are as follows: hydraulic structures, hydraulic mechanical equipment, power generation equipment, power transformation equipment, power distribution equipment, power transmission equipment and control and auxiliary equipment. The liquid level in the reservoir of the hydropower station needs to be monitored so that workers can know the water flow in the reservoir according to the liquid level conveniently.

For example, chinese patent application No. CN202122147933.1 discloses a measuring device for hydraulic engineering convenient for observing water level, the specific contents are: a measuring device for hydraulic engineering convenient for observing water level, which aims to solve the problem that the existing measuring device cannot judge the depth of the device inserted into soil when in use, so that large error is generated when the water level is measured, comprises an installation mechanism; the mounting mechanism is a measuring device body, and the bottom of the adjusting mechanism is provided with a measuring mechanism; the measuring mechanism is provided with a moving mechanism, and a measuring piece on the measuring mechanism is arranged in a rectangular hole of a moving piece on the moving mechanism. Through the control rotation for inside the measuring part inserts submarine earth, the moving member rose, subtracts the distance between the moving member through the numerical value with on the measuring part, reachs the inside degree of depth of measuring part insertion earth, and the marker passes through the buoyancy of water, floats on the surface of water, and laminates through wedge and measuring part, and then reads the data on the measuring part, subtracts with the numerical value that inserts earth, and then reachs the degree of depth of water level.

This kind of measuring device for hydraulic engineering convenient to observe water level, though it is rotatory through the control, make inside the measuring part inserts submarine earth, the moving part rises, subtract the distance between the moving part through the numerical value with on the measuring part, obtain the inside degree of depth of measuring part insertion earth, and the marker passes through the buoyancy of water, float on the surface of water, and laminate with the measuring part through the wedge, and then read the data on the measuring part, subtract with the numerical value that inserts earth, and then obtain the degree of depth of water level, but lack the safeguard measure to the monitoring flotation pontoon, can cause the damage of flotation pontoon because of the impact of rivers in long-term use, on the basis of this, the utility model designs a hydropower station water level measuring device, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power station water level measurement device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a hydropower station water level measuring device comprises a reservoir wall body and a floating drum liquid level monitoring assembly fixed on the side wall of the reservoir wall body through bolts, wherein water flow buffering assemblies for slowing down impact of water flow on the floating drum liquid level monitoring assembly are symmetrically arranged on the side wall of the reservoir wall body on two sides of the floating drum liquid level monitoring assembly;

the water flow buffering assembly comprises a rectangular frame, a buffering impeller is vertically installed in the middle of an inner cavity of the rectangular frame through a shaft rod, blades of the buffering impeller do not contact with the inner cavity side wall of the rectangular frame, a micro generator is installed at the top of the rectangular frame, a motor shaft of the micro generator is fixedly connected with the top end of the shaft rod on the buffering impeller, a fixing plate is welded on one side of the rectangular frame, and the fixing plate is fixedly connected with a reservoir wall through a bolt.

Preferably, the flotation pontoon liquid level monitoring subassembly includes two support frames of fixing at reservoir wall body lateral wall through the bolt, and two support frame longitudinal symmetry set up, two vertical installation has vertical support bar between the support frame, two switch support are installed to vertical support bar's outer wall longitudinal symmetry, and two switch support settings are between two support frames, the vertical pressure of installing in one side of switch support touches the switch, vertical support bar's outer wall cover is equipped with the monitoring flotation pontoon, and the setting of monitoring flotation pontoon is between two switch support.

Preferably, the support frame includes the fixed sleeve with vertical support rod end connection, the horizontal welding of fixed sleeve's lateral wall has the support horizontal pole, the end welding that the fixed sleeve was kept away from to the support horizontal pole has the fixed otic placode through the bolt fastening with reservoir wall body lateral wall.

Preferably, the inner cavity of the fixed sleeve is provided with an internal thread, and the end part of the vertical supporting rod is provided with an external thread matched with the internal thread.

Preferably, the switch support has open-ended arc cardboard for one side, and the both ends of arc cardboard are provided with the fixed otic placode that has the bolt, and one side of switch support is vertical to be provided with and presses the switch mounting notch that touches switch matched with, and switch mounting notch and press and touch through threaded connection between the switch.

Preferably, the included angle between the fixing plate and the rectangular frame is 120-150 degrees, and the side walls of the fixing plate and the reservoir wall body are uniformly provided with positioning screw holes matched with the bolts.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a both sides at flotation pontoon liquid level monitoring subassembly are provided with rivers buffering subassembly, when rivers pass through the rectangular frame inner chamber, rivers can promote buffering impeller rotation, thereby can slow down rivers to the impact of flotation pontoon liquid level monitoring subassembly, reduce and influence the monitoring of flotation pontoon liquid level monitoring subassembly to the liquid level because the impact of rivers, and the rotation of buffering impeller can drive the rotation of microgenerator motor shaft, thereby when slowing down rivers and assaulting to flotation pontoon liquid level monitoring subassembly, can utilize rivers to generate electricity, the electric energy of production can be arranged in monitoring facilities's in the flotation pontoon liquid level monitoring subassembly power consumption demand.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the flow buffering assembly of the present invention;

fig. 3 is a schematic view of the switch bracket of the present invention;

fig. 4 is a schematic view of the supporting frame of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1-reservoir wall, 2-buoy liquid level monitoring assembly, 21-support frame, 211-fixing sleeve, 212-support cross rod, 213-fixing lug plate, 22-vertical support rod, 23-switch support, 231-switch mounting notch, 24-press contact switch, 25-monitoring buoy, 3-water flow buffering assembly, 31-rectangular frame, 32-buffering impeller, 33-micro generator and 34-fixing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, in order to reduce the impact of water flow on the float level monitoring assembly 2 and affect the normal operation of the float in the float level monitoring assembly 2, the utility model provides a technical solution: a hydropower station water level measuring device comprises a reservoir wall 1 and a buoy liquid level monitoring assembly 2 fixed on the side wall of the reservoir wall 1 through bolts, wherein water flow buffering assemblies 3 for reducing impact of water flow on the buoy liquid level monitoring assembly 2 are symmetrically arranged on the side wall of the reservoir wall 1 on two sides of the buoy liquid level monitoring assembly 2, each water flow buffering assembly 3 comprises a rectangular frame 31, a buffering impeller 32 is vertically arranged in the middle of an inner cavity of each rectangular frame 31 through a shaft rod, blades of the buffering impeller 32 are not in contact with the side wall of the inner cavity of each rectangular frame 31, and the water flow buffering assemblies 3 are arranged on two sides of the buoy liquid level monitoring assembly 2;

the top of the rectangular frame 31 is provided with the micro generator 33, a motor shaft of the micro generator 33 is fixedly connected with the top end of a shaft rod on the buffering impeller 32, and when water flow pushes the buffering impeller 32 to rotate, the motor shaft of the micro generator 33 is driven to rotate, so that when impact of water flow on the buoy liquid level monitoring assembly 2 is relieved, the water flow can be used for generating electricity, and the generated electric energy can be used for power consumption requirements of monitoring equipment in the buoy liquid level monitoring assembly 2;

a fixing plate 34 is welded on one side of the rectangular frame 31, the fixing plate 34 is fixedly connected with the reservoir wall 1 through bolts, an included angle between the fixing plate 34 and the rectangular frame 31 is 120-150 degrees, so that the rectangular frame 31 can be obliquely arranged on one side of the buoy liquid level monitoring assembly 2, and positioning screw holes matched with the bolts are uniformly formed in the fixing plate 34 and the side wall of the reservoir wall 1, and the reservoir wall 1 and the fixing plate 34 are conveniently positioned and installed through the bolts;

referring to fig. 1, 3 and 4, the utility model provides a technical scheme for the liquid level monitoring of hydropower station: a hydropower station water level measuring device comprises a reservoir wall 1 and a buoy liquid level monitoring assembly 2 fixed on the side wall of the reservoir wall 1 through bolts, wherein the buoy liquid level monitoring assembly 2 comprises two support frames 21 fixed on the side wall of the reservoir wall 1 through bolts, the two support frames 21 are arranged in an up-and-down symmetrical mode, a vertical support rod 22 is vertically arranged between the two support frames 21, two switch supports 23 are vertically and symmetrically arranged on the outer wall of the vertical support rod 22, the two switch supports 23 are arranged between the two support frames 21, a pressure contact switch 24 is vertically arranged on one side of each switch support 23, a monitoring buoy 25 is sleeved on the outer wall of each vertical support rod 22, the monitoring buoy 25 is arranged between the two switch supports 23, a PLC (programmable logic controller) with a wireless transceiver, a storage battery pack for storing energy and a solar panel are respectively arranged at the top of the reservoir wall 1 on one side of the buoy liquid level monitoring assembly 2, the solar panel and a micro-generator 33 utilize electric energy generated by water flow to be stored in the storage battery pack, and the electric energy in the storage battery pack is used for the electric power requirements of the PLC controller and the pressure contact switch 24 when the buoyancy of the monitoring buoy 25 works, and the water in the reservoir can rise or fall along with the buoyancy of the monitoring buoy along the vertical support rods;

when the water level rises, the top of the monitoring buoy 25 is in contact with the press touch switch 24 on the upper switch bracket 23, the press touch switch 24 can send a current signal to the PLC controller due to press touch, so that the PLC controller can send a current signal to the monitoring equipment of a worker in a wireless signal mode through the wireless transceiver, the monitoring of the highest liquid level is realized, when the water level falls, the bottom of the monitoring buoy 25 is in contact with the press touch switch 24 on the lower switch bracket 23, the press touch switch 24 can send a current signal to the PLC controller due to press touch, so that the PLC controller can send the monitoring equipment of the worker in a wireless signal mode through the wireless transceiver, and the monitoring of the lowest liquid level is realized;

the supporting frame 21 comprises a fixing sleeve 211 connected with the end part of the vertical supporting rod 22, an inner thread is arranged in an inner cavity of the fixing sleeve 211, an outer thread matched with the inner thread is arranged at the end part of the vertical supporting rod 22, so that the fixing sleeve 211 and the end part of the vertical supporting rod 22 can be conveniently installed and detached, a supporting cross rod 212 is transversely welded on the side wall of the fixing sleeve 211, a fixing lug plate 213 is fixed on the side wall of the reservoir wall 1 through a bolt at the end part, far away from the fixing sleeve 211, of the supporting cross rod 212, and the installation and detachment between the supporting frame 21 and the reservoir wall 1 are convenient;

switch bracket 23 has open-ended arc cardboard for one side, and the both ends of arc cardboard are provided with the fixed otic placode that has the bolt, make things convenient for installation and dismantlement between switch bracket 23 and the vertical support pole 22, and one side of switch bracket 23 is vertical be provided with press and touch switch 24 matched with switch installation notch 231, and switch installation notch 231 with press touch switch 24 between through threaded connection, make things convenient for switch bracket 23 and press to touch the installation and the dismantlement between the switch 24.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a power station water level measuring device, includes reservoir wall body (1) to and through flotation pontoon liquid level monitoring subassembly (2) of bolt fastening on reservoir wall body (1) lateral wall, its characterized in that: the side wall of the reservoir wall body (1) is symmetrically provided with water flow buffer components (3) for slowing down the impact of water flow on the buoy liquid level monitoring component (2) at two sides of the buoy liquid level monitoring component (2);

rivers buffer unit (3) include rectangular frame (31), the vertical buffering impeller (32) of installing through the axostylus axostyle in the inner chamber middle part of rectangular frame (31), and the blade of buffering impeller (32) does not contact with the inner chamber lateral wall of rectangular frame (31), microgenerator (33) are installed at the top of rectangular frame (31), and the motor shaft of microgenerator (33) and the axostylus axostyle top fixed connection on buffering impeller (32), one side welding of rectangular frame (31) has fixed plate (34), and passes through bolt fixed connection between fixed plate (34) and reservoir wall body (1).

2. A hydropower station water level measuring device according to claim 1, characterized in that: buoy liquid level monitoring subassembly (2) include two support frames (21) through the bolt fastening at reservoir wall body (1) lateral wall, and two support frame (21) longitudinal symmetry set up, two vertical installation has vertical support bar (22) between support frame (21), two switch support (23) are installed to the outer wall longitudinal symmetry of vertical support bar (22), and two switch support (23) set up between two support frames (21), one side vertical installation of switch support (23) has press touch switch (24), the outer wall cover of vertical support bar (22) is equipped with monitoring buoy (25), and monitoring buoy (25) set up between two switch support (23).

3. A hydropower station water level measuring device according to claim 2, characterized in that: support frame (21) include with vertical support rod (22) end connection's fixed sleeve (211), the lateral wall of fixed sleeve (211) transversely welds has support horizontal pole (212), the tip welding that fixed sleeve (211) was kept away from in support horizontal pole (212) has fixed otic placode (213) through the bolt fastening with reservoir wall body (1) lateral wall.

4. A hydropower station water level measurement device according to claim 3, characterized in that: the inner cavity of the fixed sleeve (211) is provided with internal threads, and the end part of the vertical supporting rod (22) is provided with external threads matched with the internal threads.

5. The hydropower station water level measurement device according to claim 2, wherein: switch support (23) have open-ended arc cardboard for one side, and the both ends of arc cardboard are provided with the fixed otic placode that has the bolt, and one side of switch support (23) is vertical be provided with press touch switch (24) matched with switch mounting notch (231), and switch mounting notch (231) and press touch between the switch (24) through threaded connection.

6. A hydropower station water level measuring device according to claim 1, characterized in that: the included angle between the fixing plate (34) and the rectangular frame (31) is 120-150 degrees, and positioning screw holes matched with the bolts are uniformly formed in the fixing plate (34) and the side wall of the reservoir wall body (1).