CN218865213U

CN218865213U - Hydropower station water level measuring instrument

Info

Publication number: CN218865213U
Application number: CN202222871050.XU
Authority: CN
Inventors: 田金宝; 宋长龄; 张龙; 张晓飞; 邢宇
Original assignee: Yuyao Shifang Garden Construction Co ltd
Current assignee: Yuyao Shifang Garden Construction Co ltd
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2023-04-14
Anticipated expiration: 2032-10-30

Abstract

The utility model relates to the technical field of water level measuring instruments, in particular to a hydropower station water level measuring instrument, which comprises a base and a controller arranged on the base, wherein the top end of the base is fixedly connected with two support plates, the middle parts of the two support plates are rotatably connected with a rotating shaft, the front end of the support plate positioned at the front side is fixedly connected with a first motor, the output end of the first motor is fixedly connected with the front end of the rotating shaft, a settlement rope is wound outside the rotating shaft, the right side of the top end of the base is fixedly connected with a fixed plate, the right end of the fixed plate is fixedly connected with an electric cylinder, the right end of the electric cylinder is fixedly connected with a fixed seat, the fixed seat is rotatably connected with a guide wheel through a rotating shaft, the settlement rope is in transmission connection with the guide wheel, the bottom end of the settlement rope is fixedly connected with a tension sensor, and the bottom end of the tension sensor is fixedly connected with a settlement block; the accuracy of measuring the descending length of the settlement rope is improved, and the accuracy of measuring the water level of the hydropower station is improved.

Description

Hydropower station water level measuring instrument

Technical Field

The application relates to the technical field of water level measuring instruments, in particular to a hydropower station water level measuring instrument.

Background

As is well known, a hydropower station is a comprehensive engineering facility capable of converting water energy into electric energy, and generally comprises a reservoir formed by water retaining and releasing buildings, a hydropower station diversion system, a power generation plant, electromechanical equipment and the like, wherein high-level water in the reservoir flows into the plant through the diversion system to push a hydroelectric generating set to generate electric energy, and then the electric energy is input into a power grid through a step-up transformer, a switching station and a power transmission line. The water level of the hydropower station is observed regularly, and a hydropower station water level measuring instrument is required to be used for detecting the water level of the hydropower station.

Through retrieval, chinese patent No. CN 202122636209.5's utility model discloses a hydropower station water level measuring instrument, including the base and install the controller on the base, the support frame is installed respectively to base upper end both sides, it is connected with the axis of rotation to rotate between two support frames, support frame one side is equipped with driving motor, driving motor output and axis of rotation axle center are connected, the winding is installed in the axis of rotation and is subsided the rope, the backup pad is installed at base upper end center, backup pad one side is equipped with the leading wheel, subside the rope and walk around the leading wheel and be connected with the subsidence piece, it is when using, through adjusting the length of telescopic link, move the leading wheel outside the steamboat, start driving motor, the drive axis of rotation rotates, realize subsiding the receive and release of rope, make subside the piece and get into the aquatic, through photoelectric sensor, can measure driving motor and rotate the number of turns, measure subside the rope and receive and release length, because subside the rope winding has many interlayers in the axis of rotation, after the axis of rotation circle, the length that the subside rope receive and release, the pole of outer lane subside the rope and release length is relatively longer, when subside the pole to the innermost circle, it is not accurate enough to the measurement of hydropower station to the length of the reduction of water level.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough, the application provides a power station water level measuring apparatu to solve the problem that proposes among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a power station water level measuring apparatu, includes the base and installs the controller on the base, two extension boards of top fixedly connected with of base, the middle rotation of two extension boards is connected with the axis of rotation, is located the front end fixedly connected with first motor of the extension board of front side, first motor and controller electric connection, the output of first motor and the front end fixed connection of axis of rotation, and the outside winding of axis of rotation has the settlement rope, the top right side fixedly connected with fixed plate of base, the right-hand member fixedly connected with electronic jar of fixed plate, electronic jar and controller electric connection, the right-hand member fixedly connected with fixing base of electronic jar rotate through the pivot and are connected with the leading wheel, and the rope that subsides is connected with the leading wheel transmission, and the bottom fixedly connected with force sensor of subsidence rope, force sensor and controller electric connection, force sensor's bottom fixedly connected with subsides piece, the bottom embedding of subsidence piece installs level sensor, level sensor and controller electric connection, the front end rotation of fixing base is connected with first gear, and the front end embedding of first gear is installed photoelectric sensor, photoelectric sensor and the controller electric connection, and the front end of fixing base is connected with the actuating mechanism of drive first gear, and the front end of pivot is connected with the scale line angle of fixing base, and is provided with the scale line angle.

Through adopting above-mentioned technical scheme, the controller will be based on the girth calculation of leading wheel pivoted number of turns and leading wheel and subside the length that the rope descends, then the viewing aperture observes the scale interval that the commentaries on classics board is located the angle scale mark, observes the scale interval that photoelectric sensor is located the angle scale mark simultaneously to observe the angle between two scale intervals right sides, thereby judge the length that subsides in this angle and restrict the decline, the sum of this length and the length that detects through photoelectric sensor is the value that needs the measurement water level.

Preferably, actuating mechanism includes the mount, fixedly connected with second motor on the mount, second motor and controller electric connection, the output fixedly connected with second gear of second motor, second gear and the meshing of first gear looks, the intermediate position is provided with the viewing aperture on the commentaries on classics board, the top left side fixedly connected with balancing weight of base, the bottom fixedly connected with slipmat of base.

Through adopting above-mentioned technical scheme, can rotate through second motor drive second gear, and then adjust the position of the photoelectric sensor on the first gear.

(III) advantageous effects

Compared with the prior art, the application provides a power station water level measuring apparatu possesses following beneficial effect:

this power station water level measuring instrument, promote the fixed case through electronic jar and move to the right side, make the sinker move to the upside that needs the measuring position, then start first motor, first motor drives the axis of rotation clockwise slow rotation, the axis of rotation rotates and makes the sinker rope twine from the axis of rotation, through sinker pulling sinker rope downstream, when the bottom of sinker contacts with the surface of water, level sensor senses the signal, first motor stop work, then drive first gear rotation through actuating mechanism, first gear rotation drives photoelectric sensor rotation, when photoelectric sensor rotates to the rear side of commentaries on classics board, photoelectric sensor senses the signal, actuating mechanism then stop work, then start first motor, first motor drives the axis of rotation clockwise rotation, pull sinker rope downstream through the sinker, because sinker rope and leading wheel driving connection, the leading wheel can rotate, the leading wheel drives pivot and commentaries on classics board rotation, detect the number of turns of leading wheel rotation, and calculate the length that the sinker rope descends according to the leading wheel, thereby measure the height of the water level of hydropower station, no matter the sinker rope still does not influence the outside of water level and does not descend the length of measuring accuracy, the perimeter of measuring to the decline of hydropower station has been improved.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic bottom view of a sinker according to the present application;

FIG. 3 is a schematic view of a portion A of the present application shown in FIG. 1;

fig. 4 is a schematic view of a partial enlarged structure at B in fig. 1 of the present application.

In the figure: 1. a base; 2. a support plate; 3. a rotating shaft; 4. a first motor; 5. settling ropes; 6. a fixing plate; 7. an electric cylinder; 8. a fixed seat; 9. a rotating shaft; 10. a guide wheel; 11. a tension sensor; 12. settling blocks; 13. a water level sensor; 14. a first gear; 15. a photosensor; 16. rotating the plate; 17. angle scale lines; 18. a fixed mount; 19. a second motor; 20. a second gear; 21. a viewing port; 22. a balancing weight; 23. a non-slip mat.

Detailed Description

Examples

Referring to fig. 1, a hydropower station water level measuring instrument comprises a base and a controller 1 mounted on the base, wherein a non-slip mat 23 is fixedly connected to the bottom end of the base 1, so that the friction force at the bottom end of the base 1 is increased, the placing stability of the device is improved, a balancing weight 22 is fixedly connected to the left side of the top end of the base 1, so that the stability of the measuring instrument is improved, two support plates 2 are fixedly connected to the top end of the base 1, a rotating shaft 3 is rotatably connected to the middle of the two support plates 2, a first motor 4 is fixedly connected to the front end of the support plate 2 positioned at the front side, the first motor 4 is electrically connected to the controller, the output end of the first motor 4 is fixedly connected to the front end of the rotating shaft 3, a settlement rope 5 is wound on the outside of the rotating shaft 3, a fixing plate 6 is fixedly connected to the right side of the top end of the base 1, an electric cylinder 7 is fixedly connected to the right end of the fixing plate 6, the electric cylinder 7 is electrically connected to the controller, a fixing seat 8 is fixedly connected to the right end of the electric cylinder 7, a guide wheel 10 is rotatably connected to the fixing seat 8 through a rotating shaft 9, the fixing seat 5 is in transmission connection with a guide wheel 10, a settlement sensor 11 is fixedly connected to the bottom end of the fixing seat 5, a tension sensor 11 is electrically connected to a gear 14, a rotating gear 14 is fixedly connected to a front end of a rotating gear wheel 14, a rotating angle sensor 14, a rotating mechanism 14 is connected to a rotating angle control mechanism 14, a first gear 14 is connected to a rotating shaft 14, a rotating gear 14, a rotating shaft 14 is connected to a rotating angle sensor is connected to a rotating mechanism, a front end of a rotating gear 14, an observation port 21 is arranged at the middle position on the rotating plate 16, the observation port 21 is convenient for observing the scale value of the scale mark where the rotating plate 16 is located, the electric cylinder 7 pushes the fixed box to move towards the right side, the settlement block 12 is moved to the upper side of the position to be measured, then the first motor 4 is started, the first motor 4 drives the rotating shaft 3 to slowly rotate clockwise, the rotating shaft 3 rotates to wind the settlement rope 5 from the rotating shaft 3, the settlement rope 5 is pulled to move downwards by the settlement block 12, when the bottom end of the settlement block 12 is contacted with the water surface, the water level sensor 13 senses a signal, the first motor 4 stops working, then the driving mechanism drives the first gear 14 to rotate, the first gear 14 rotates to drive the photoelectric sensor 15 to rotate, when the photoelectric sensor 15 rotates to the rear side of the rotating plate 16, photoelectric sensor 15 senses the signal, actuating mechanism then stops working, then start first motor 4, first motor 4 drives axis of rotation 3 clockwise rotation, subside rope 5 downstream through subside 12 pulling, because subside rope 5 and leading wheel 10 transmission are connected, leading wheel 10 can rotate, leading wheel 10 drives pivot 9 and commentaries on classics board 16 and rotates, detect leading wheel 10 pivoted number of turns through photoelectric sensor 15, and calculate the length that subsides rope 5 descends according to the girth of leading wheel 10, thereby measure the height of hydropower station water level, no matter subside rope 5 twines in the outside of axis of rotation 3 or inlayer do not influence the detection to subside rope 5 descending length, the accuracy of measuring subside rope 5 descending length has been improved, the accuracy of measuring hydropower station water level has been improved.

It should be further noted that the driving mechanism includes a fixing frame 18, a second motor 19 is fixedly connected to the fixing frame 18, the second motor 19 is electrically connected to the controller, and a second gear 20 is fixedly connected to an output end of the second motor 19, referring to fig. 3, the second gear 20 is engaged with the first gear 14, the second motor 19 drives the second gear 20 to rotate, and the second gear 20 drives the first gear 14 to rotate.

In this document, the electric devices are all electrically connected to a controller, which may be a computer or other conventional device for controlling.

In conclusion, when the hydropower station water level measuring instrument is used, the hydropower station water level measuring instrument is fixed on a yacht, the yacht is driven to a position to be measured, the controller controls the electric cylinder 7 to push the fixing box to move towards the right side, the sedimentation block 12 is moved to the upper side of the position to be measured, the controller controls the first motor 4 to be started, the first motor 4 drives the rotating shaft 3 to slowly rotate clockwise, the rotating shaft 3 rotates to wind the sedimentation rope 5 from the rotating shaft 3, the sedimentation block 12 pulls the sedimentation rope 5 to move downwards, when the bottom end of the sedimentation block 12 is in contact with the water surface, the water level sensor 13 senses a signal, the water level sensor 13 transmits the signal to the controller, the controller controls the first motor 4 to stop working, the second motor 19 drives the first gear 14 to rotate, the first gear 14 rotates to drive the photoelectric sensor 15 to rotate, when the photoelectric sensor 15 rotates to the rear side of the rotating plate 16, the photoelectric sensor 15 senses a signal and transmits the signal to the controller, the controller controls the second motor 19 to stop working, the position of the photoelectric sensor 15 is adjusted, then the first motor 4 is started again, the first motor 4 drives the rotating shaft 3 to rotate clockwise, the sedimentation rope 5 is released, the sedimentation rope 5 is pulled to move downwards through the sedimentation block 12, as the sedimentation rope 5 is in transmission connection with the guide wheel 10, the guide wheel 10 rotates, the guide wheel 10 drives the rotating shaft 9 and the rotating plate 16 to rotate, the number of rotating circles of the guide wheel 10 is detected through the photoelectric sensor 15, the descending length of the sedimentation rope 5 is calculated according to the circumference of the guide wheel 10, the tension of the sedimentation block 12 to the stay cord is sensed through the tension sensor 11, when the tension of the sedimentation block 12 to the stay cord is zero, the sedimentation block 12 falls to the lowest part of water, then, a signal is transmitted to a controller through a tension sensor 11, the controller controls a first motor 4 to stop working, the controller calculates the descending length of the sedimentation rope 5 according to the number of turns of the guide wheel 10 and the circumference of the guide wheel 10, then an observation opening 21 observes the scale value of a rotating plate 16 on an angle scale mark 17, and observes the scale value of a photoelectric sensor 15 on the angle scale mark 17 and observes the angle between the right sides of the two scale values, so that the descending length of the sedimentation rope 5 in the angle is judged, and the sum of the length and the length detected by the photoelectric sensor 15 is the value of the water level to be measured; after the measurement finishes, start first motor 4 and drive 3 anticlockwise rotations of axis of rotation, make and subside rope 5 winding on axis of rotation 3, then pull fixing base 8 through electronic jar 7 and move to the yacht on.

Claims

1. The utility model provides a power station water level measuring apparatu, includes base (1) and installs the controller on base (1), its characterized in that: the device is characterized in that two support plates (2) are fixedly connected to the top end of a base (1), a rotating shaft (3) is rotatably connected to the middle of the two support plates (2), a first motor (4) is fixedly connected to the front end of the support plate (2) positioned on the front side, the first motor (4) is electrically connected with a controller, the output end of the first motor (4) is fixedly connected with the front end of the rotating shaft (3), a settlement rope (5) is wound outside the rotating shaft (3), a fixed plate (6) is fixedly connected to the right side of the top end of the base (1), an electric cylinder (7) is fixedly connected to the right end of the fixed plate (6), the electric cylinder (7) is electrically connected with the controller, a fixed seat (8) is fixedly connected to the right end of the electric cylinder (7), a guide wheel (10) is rotatably connected to the fixed seat (8) through a rotating shaft (9), the settlement rope (5) is in transmission connection with the guide wheel (10), a tension sensor (11) is fixedly connected to the bottom end of the settlement rope (5), the tension sensor (11) is electrically connected with the controller, a tension sensor (11) is fixedly connected with a settlement block (12), a water level sensor (12) is embedded into the bottom end of the settlement block, and a front gear (13) is connected with a control device (14) which is connected with a rotary control device (14), photoelectric sensor (15) are installed in the front end embedding of first gear (14), photoelectric sensor (15) and controller electric connection, the front end fixedly connected with of fixing base (8) drives first gear (14) pivoted actuating mechanism, and the front end fixedly connected with of pivot (9) changes board (16), and the front end of fixing base (8) is provided with angle scale mark (17).

2. The hydropower station water level measuring instrument according to claim 1, wherein: the driving mechanism comprises a fixing frame (18), a second motor (19) is fixedly connected to the fixing frame (18), the second motor (19) is electrically connected with the controller, a second gear (20) is fixedly connected to the output end of the second motor (19), and the second gear (20) is meshed with the first gear (14).

3. The hydropower station water level measuring instrument according to claim 1, wherein: an observation port (21) is arranged in the middle of the rotating plate (16).

4. A hydropower station water level gauge according to claim 2, characterized in that: the top left side fixedly connected with balancing weight (22) of base (1).

5. The hydropower station water level measuring instrument according to claim 1, wherein: the bottom end of the base (1) is fixedly connected with an anti-skid pad (23).