CN113280894A - Hydropower station water level alarm device and use method thereof - Google Patents
Hydropower station water level alarm device and use method thereof Download PDFInfo
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- CN113280894A CN113280894A CN202110758569.4A CN202110758569A CN113280894A CN 113280894 A CN113280894 A CN 113280894A CN 202110758569 A CN202110758569 A CN 202110758569A CN 113280894 A CN113280894 A CN 113280894A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/60—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
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Abstract
The invention discloses a hydropower station water level alarm device, which comprises a base with a fixed hole, a vertical height adjusting mechanism, a horizontal length extending mechanism and a monitoring mechanism for monitoring the water level, wherein the vertical height adjusting mechanism is arranged at the upper end of the base; the vertical height adjusting mechanism comprises a screw rod, an upright post, a supporting plate and a thread sleeve. The invention can adjust the height positions of the first contact piece and the second contact piece according to the actual water level of a river, thereby limiting the alarm threshold values of the highest water level and the lowest water level, simultaneously alarming two dangerous states of the high water level and the low water level, and avoiding the water level from being lower than the lowest water level in the water discharging process.
Description
Technical Field
The invention belongs to the technical field of hydropower station water level alarm, and particularly relates to a hydropower station water level alarm device; the invention also designs a using method of the hydropower station water level alarm device.
Background
The safety of a hydroelectric power station is of great importance, and not only is the electricity consumption of production and life concerned, but also the personal safety of downstream people is concerned, so that the safety of the hydroelectric power station is always a focus of people's attention, the water level of the hydroelectric power station is an important factor influencing the safety of the hydroelectric power station, and the upstream water level and the water flow rate need to be monitored constantly because the water level is too high or the safety of a dam is possibly caused by the arrival of a flood peak.
In the prior art, the hydropower station water level monitoring device is poor in use flexibility, the position is not easy to replace after installation, and in some special cases, for example, in summer, the situation that the river water is dry and the riverbed leaks out, the actual water level cannot be monitored by the monitoring assembly is caused.
Disclosure of Invention
The invention aims to provide a hydropower station water level alarm device to solve the problem that the actual water level cannot be monitored by a monitoring component due to the fact that the river bed is drained due to the dryness of river water in summer in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hydropower station water level alarm device comprises a base with a fixing hole, a vertical height adjusting mechanism, a horizontal length extending mechanism and a monitoring mechanism for monitoring the water level, wherein the vertical height adjusting mechanism is arranged at the upper end of the base;
the vertical height adjusting mechanism comprises a screw rod, an upright post, a supporting plate and a threaded sleeve, the upright post is fixedly arranged on the upper surface of the base, the supporting plate is fixedly welded at the upper end of the upright post, a driving motor is arranged at the upper end of the supporting plate, one end of an output shaft of the driving motor penetrates through the supporting plate and is connected with the upper end of the screw rod, the threaded sleeve is arranged on the screw rod in a threaded manner, one side, close to the upright post, of the threaded sleeve is connected with a sliding sleeve, and the sliding sleeve is sleeved on the upright post in a sliding manner;
monitoring mechanism is including first sleeve pipe, slide bar, wireless communication component and contact sensor, first sleeve pipe extends the horizontal migration part of mechanism through spliced pole and horizontal length and is connected, the slide bar slides and pegs graft in first sheathed tube inside, just the upper end of slide bar is provided with the limiting plate, the lower extreme of slide bar is provided with showy subassembly, install first contact on the limiting plate, showy subassembly upper end is provided with the second and contacts the piece, be provided with the loading board on the first sheathed tube lateral wall, contact sensor and wireless communication component install on the loading board, and contact sensor and wireless communication component electric connection, just first contact and second contact correspond the setting with contact sensor.
Preferably, a threaded hole is formed in the limiting plate, a stud is connected to the inner portion of the threaded hole in a threaded mode, the first abutting part is installed at the lower end of the stud, a telescopic rod is arranged at the upper end of the floating assembly, and the second abutting part is installed at the upper end of the telescopic rod.
Preferably, horizontal length extension mechanism includes riser, horizontal pole, electric putter and second sleeve pipe, the one end of horizontal pole and the outer wall fixed connection of thread bush, the riser is fixed in on the horizontal pole, electric putter installs on the lateral wall of riser, the slip suit of second sleeve pipe is on the horizontal pole, the one end and the second sleeve pipe of electric putter piston rod are connected fixedly through the connecting piece, first sleeve pipe passes through the connecting rod with the second sleeve pipe and is connected.
Preferably, audible and visual alarm and signal receiver are installed to the upper end of backup pad, signal receiver and wireless communication component communication connection, just audible and visual alarm passes through connecting wire electric connection with signal receiver.
Preferably, the telescopic link includes interior pole, outer tube and fixing pin, the outer tube is fixed in the upper end of showy subassembly, interior pole slides and pegs graft in the inside of outer tube, just all seted up the through-hole on interior pole and the outer tube, the fixing pin is located the inside of through-hole.
Preferably, the floating assembly comprises a cylindrical hollow block and a foam floating plate, a clamping groove is formed in the lower end of the cylindrical hollow block, and the foam floating plate is clamped in the clamping groove of the cylindrical hollow block.
Preferably, a bull's eye universal ball is arranged inside the first sleeve, and the outer wall of the sliding rod is attached to the bull's eye universal ball.
A use method of a hydropower station water level alarm device comprises the following steps:
s1, mounting the water level alarm device on a hydropower station water level monitoring platform;
s2, driving the vertical height adjusting mechanism to move through the driving motor, and adjusting the horizontal length extending mechanism to a proper height according to actual requirements;
s3, adjusting the height positions of the first contact element and the second contact element according to the actual water level of the river, and accordingly limiting alarm thresholds of the highest water level and the lowest water level;
s4, driving the second sleeve to move through the electric push rod, so that the first sleeve is driven to move through the second sleeve, and the monitoring mechanism is further moved through the first sleeve;
and S5, the floating component floats on the water surface of the hydropower station, the floating component is driven to lift by the lifting of the water level, the first abutting component and the second abutting component are driven to move up and down by the lifting of the floating component, and due to the fact that the alarm threshold values of the highest water level and the lowest water level are set in the step S3, when any one group of abutting contact sensors of the first abutting component and the second abutting component abut against each other, an alarm is triggered.
The invention has the technical effects and advantages that: compared with the prior art, the hydropower station water level alarm device provided by the invention has the following advantages:
1. the hydropower station water level alarm device is simple in structure and high in use flexibility, the installation position of the hydropower station water level alarm device can be moved according to actual conditions, and compared with the existing hydropower station water level monitoring device, the hydropower station water level alarm device has the advantages that the use flexibility is improved, and meanwhile, the cost is saved;
2. according to the invention, the first contact piece and the second contact piece are respectively arranged on the floating assembly, so that the height positions of the first contact piece and the second contact piece can be adjusted according to the actual water level of the river, thereby limiting the alarm threshold values of the highest water level and the lowest water level, alarming two dangerous states of the high water level and the low water level, and avoiding the water level from being lower than the lowest water level in the water discharging process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the vertical height adjustment mechanism of the present invention;
FIG. 3 is a schematic view of the monitoring mechanism of the present invention;
FIG. 4 is a partial cross-sectional view of the structure of FIG. 3 at A in accordance with the present invention;
fig. 5 is a schematic structural view of the telescopic rod of the present invention.
In the figure: 1. a base; 2. a vertical height adjustment mechanism; 3. a horizontal length extension mechanism; 4. a monitoring mechanism; 5. a screw; 6. a column; 7. a support plate; 8. a threaded sleeve; 9. a drive motor; 10. a sliding sleeve; 11. a first sleeve; 12. a slide bar; 13. a contact sensor; 14. a limiting plate; 15. a float assembly; 16. a first contact member; 17. a second contact member; 18. a carrier plate; 19. a wireless communication element; 20. a threaded hole; 21. a stud; 22. a telescopic rod; 23. a vertical plate; 24. a cross bar; 25. an electric push rod; 26. a second sleeve; 27. an audible and visual alarm; 28. a signal receiver; 29. an inner rod; 30. an outer tube; 31. fixing the pin; 32. a cylindrical hollow block; 33. a foam floating plate; 34. bull's eye universal ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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 a hydropower station water level alarm device shown in figures 1-5, which comprises a base 1 with a fixed hole, a vertical height adjusting mechanism 2, a horizontal length extending mechanism 3 and a monitoring mechanism 4 for monitoring the water level, wherein the vertical height adjusting mechanism 2 is arranged at the upper end of the base 1, the horizontal length extending mechanism 3 is connected with a lifting part of the vertical height adjusting mechanism 2, and the monitoring mechanism 4 is connected with a horizontal moving part of the horizontal length extending mechanism 3;
through the design, the water level alarm device can move the installation position of the water level alarm device of the hydropower station according to the actual condition, so that the use flexibility is improved;
the vertical height adjusting mechanism 2 comprises a screw rod 5, an upright post 6, a supporting plate 7 and a threaded sleeve 8, the upright post 6 is fixedly arranged on the upper surface of the base 1, the supporting plate 7 is fixedly welded at the upper end of the upright post 6, a driving motor 9 is arranged at the upper end of the supporting plate 7, one end of an output shaft of the driving motor 9 penetrates through the supporting plate 7 and is connected with the upper end of the screw rod 5, the threaded sleeve 8 is arranged on the screw rod 5 in a threaded manner, one side, close to the upright post 6, of the threaded sleeve 8 is connected with a sliding sleeve 10, the sliding sleeve 10 is sleeved on the upright post 6 in a sliding manner;
the model number of the driving motor 9 is 57BYG250H, and the parameters are as follows: the step angle is 1.8 degrees +/-5 percent, the moment is 2.8nm, the current is 3A, the voltage is DC24V, the corresponding driver model is DM542, the input voltage is DC20-50V, the current is 4.2A, and the impulse response frequency is 200 KHz;
through the design, the height of the monitoring mechanism 4 can be adjusted according to the actual water level of drinking water through the vertical height adjusting mechanism 2, so that the monitoring mechanism 4 can detect water levels with different horizontal heights, and compared with the existing method that a plurality of groups of detection devices with different heights are arranged to ensure that the water levels can be monitored, the design saves resources and manufacturing cost;
an audible and visual alarm 27 and a signal receiver 28 are installed at the upper end of the supporting plate 7, the signal receiver 28 is in communication connection with the wireless communication element 19, the audible and visual alarm 27 is electrically connected with the signal receiver 28 through a connecting wire, the wireless communication element 19 comprises a WIFI antenna, an LTE antenna, a radio frequency switch, a frequency divider and a processor, the frequency divider is used for separating WIFI signals and LTE signals in signals received by the LTE antenna and outputting the separated WIFI signals and LTE signals through a first output port and a second output port respectively;
the horizontal length extension mechanism 3 comprises a vertical plate 23, a cross rod 24, an electric push rod 25 and a second sleeve 26, one end of the cross rod 24 is fixedly connected with the outer wall of the threaded sleeve 8, the vertical plate 23 is fixed on the cross rod 24, the electric push rod 25 is installed on the side wall of the vertical plate 23, the second sleeve 26 is sleeved on the cross rod 24 in a sliding mode, one end of a piston rod of the electric push rod 25 is fixedly connected with the second sleeve 26 through a connecting piece, and the first sleeve 11 is connected with the second sleeve 26 through a connecting rod;
wherein, the electric putter 25 uses for waterproof type, and its model is ANT-35, and its parameter is: the voltage is 12/24V, the self-locking force is 1.5-3 times of the push-pull force, the no-load noise is 45-48dB, and the maximum load is 100-2300N;
the monitoring mechanism 4 comprises a first sleeve 11, a sliding rod 12, a wireless communication element 19 and a contact sensor 13, the first sleeve 11 is connected with a horizontal moving part of the horizontal length stretching mechanism 3 through a connecting column, the sliding rod 12 is inserted in the first sleeve 11 in a sliding manner, a limit plate 14 is arranged at the upper end of the sliding rod 12, a floating assembly 15 is arranged at the lower end of the sliding rod 12, the floating assembly 15 comprises a cylindrical hollow block 32 and a foam floating plate 33, a clamping groove is arranged at the lower end of the cylindrical hollow block 32, the foam floating plate 33 is clamped in the clamping groove of the cylindrical hollow block 32, a first abutting part 16 is arranged on the limit plate 14, a second abutting part 17 is arranged at the upper end of the floating assembly 15, a bearing plate 18 is arranged on the side wall of the first sleeve 11, the contact sensor 13 and the wireless communication element 19 are arranged on the bearing plate 18, and the contact sensor 13 is electrically connected with the wireless communication element 19, the first contact piece 16 and the second contact piece 17 are arranged corresponding to the contact sensor 13, a bullseye universal ball 34 is arranged inside the first sleeve 11, and the outer wall of the sliding rod 12 is attached to the bullseye universal ball 34;
the first contact piece 16 and the second contact piece 17 are respectively arranged on the floating assembly, so that the height positions of the first contact piece 16 and the second contact piece 17 can be adjusted according to the actual water level of a river, the alarm threshold values of the highest water level and the lowest water level are limited, two dangerous states of the high water level and the low water level are alarmed, and the water level is prevented from being lower than the lowest water level in the water discharging process;
the bull's eye universal ball 34 is arranged inside the first sleeve 11, and the outer wall of the sliding rod 12 is attached to the bull's eye universal ball 34, so that the friction between the sliding rod 12 and the inner wall of the first sleeve 11 can be reduced to the maximum extent, and the accuracy of water level monitoring is ensured on the side surface;
the limiting plate 14 is provided with a threaded hole 20, a stud 21 is in threaded connection with the inside of the threaded hole 20, the first abutting part 16 is installed at the lower end of the stud 21, the upper end of the floating component 15 is provided with a telescopic rod 22, the second abutting part 17 is installed at the upper end of the telescopic rod 22, the telescopic rod 22 comprises an inner rod 29, an outer tube 30 and a fixing pin 31, the outer tube 30 is fixed at the upper end of the floating component 15, the inner rod 29 is inserted into the outer tube 30 in a sliding mode, through holes are formed in the inner rod 29 and the outer tube 30, and the fixing pin 31 is located inside the through holes;
a use method of a hydropower station water level alarm device comprises the following steps:
s1, mounting the water level alarm device on a hydropower station water level monitoring platform;
when the river water is dried in summer and the riverbed leaks, the device is arranged on the leaked riverbed;
s2, driving the vertical height adjusting mechanism to move through the driving motor, and adjusting the horizontal length extending mechanism to a proper height according to actual requirements;
s3, adjusting the height positions of the first contact element and the second contact element according to the actual water level of the river, and accordingly limiting alarm thresholds of the highest water level and the lowest water level;
s4, driving the second sleeve to move through the electric push rod, so that the first sleeve is driven to move through the second sleeve, and the monitoring mechanism is further moved through the first sleeve;
and S5, the floating component floats on the water surface of the hydropower station, the floating component is driven to lift by the lifting of the water level, the first abutting component and the second abutting component are driven to move up and down by the lifting of the floating component, and due to the fact that the alarm threshold values of the highest water level and the lowest water level are set in the step S3, when any one group of abutting contact sensors of the first abutting component and the second abutting component abut against each other, an alarm is triggered.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a power station water level alarm device, includes base (1) that has the fixed orifices, vertical height adjustment mechanism (2), horizontal length extend mechanism (3) and be used for monitoring water level monitoring mechanism (4), its characterized in that: the vertical height adjusting mechanism (2) is arranged at the upper end of the base (1), the horizontal length extending mechanism (3) is connected with a lifting part of the vertical height adjusting mechanism (2), and the monitoring mechanism (4) is connected with a horizontal moving part of the horizontal length extending mechanism (3);
the vertical height adjusting mechanism (2) comprises a screw rod (5), an upright post (6), a supporting plate (7) and a threaded sleeve (8), the upright post (6) is fixedly installed on the upper surface of the base (1), the supporting plate (7) is fixedly welded to the upper end of the upright post (6), a driving motor (9) is installed at the upper end of the supporting plate (7), one end of an output shaft of the driving motor (9) penetrates through the supporting plate (7) to be connected with the upper end of the screw rod (5), the threaded sleeve (8) is installed on the screw rod (5) in a threaded mode, one side, close to the upright post (6), of the threaded sleeve (8) is connected with a sliding sleeve (10), and the sliding sleeve (10) is sleeved on the upright post (6) in a sliding mode;
monitoring mechanism (4) is including first sleeve pipe (11), slide bar (12), wireless communication component (19) and contact sensor (13), first sleeve pipe (11) is connected through spliced pole and horizontal length extension mechanism (3) horizontal migration part, slide bar (12) slide and peg graft in the inside of first sleeve pipe (11), just the upper end of slide bar (12) is provided with limiting plate (14), the lower extreme of slide bar (12) is provided with floats subassembly (15), install first contact piece (16) on limiting plate (14), it is provided with second contact piece (17) to float subassembly (15) upper end, be provided with loading board (18) on the lateral wall of first sleeve pipe (11), contact sensor (13) and wireless communication component (19) are installed on loading board (18), and contact sensor (13) and wireless communication component (19) electric connection, the first contact piece (16) and the second contact piece (17) are arranged corresponding to the contact sensor (13).
2. The hydropower station water level alarm device according to claim 1, wherein: threaded hole (20) is seted up on limiting plate (14), threaded hole (20) internal thread is connected with double-screw bolt (21), first conflict piece (16) are installed in the lower extreme of double-screw bolt (21), the upper end of showy subassembly (15) is provided with telescopic link (22), second conflict piece (17) are installed in the upper end of telescopic link (22).
3. The hydropower station water level alarm device according to claim 1, wherein: horizontal length extends mechanism (3) and includes riser (23), horizontal pole (24), electric putter (25) and second sleeve pipe (26), the outer wall fixed connection of the one end of horizontal pole (24) and thread bush (8), on vertical pole (23) are fixed in horizontal pole (24), electric putter (25) are installed on the lateral wall of riser (23), second sleeve pipe (26) slip suit is on horizontal pole (24), the one end of electric putter (25) piston rod is connected fixedly through the connecting piece with second sleeve pipe (26), first sleeve pipe (11) are connected through the connecting rod with second sleeve pipe (26).
4. The hydropower station water level alarm device according to claim 1, wherein: audible-visual annunciator (27) and signal receiver (28) are installed to the upper end of backup pad (7), signal receiver (28) and wireless communication component (19) communication connection, just audible-visual annunciator (27) pass through connecting wire electric connection with signal receiver (28).
5. A hydropower station water level alarm device according to claim 2, characterized in that: the telescopic rod (22) comprises an inner rod (29), an outer tube (30) and a fixing pin (31), the outer tube (30) is fixed at the upper end of the floating assembly (15), the inner rod (29) is inserted into the outer tube (30) in a sliding mode, through holes are formed in the inner rod (29) and the outer tube (30), and the fixing pin (31) is located inside the through holes.
6. A hydropower station water level alarm device according to claim 2, characterized in that: the floating assembly (15) comprises a cylindrical hollow block (32) and a foam floating plate (33), a clamping groove is formed in the lower end of the cylindrical hollow block (32), and the foam floating plate (33) is clamped inside the clamping groove of the cylindrical hollow block (32).
7. The hydropower station water level alarm device according to claim 1, wherein: be provided with bull's eye universal ball (34) on the inside of first sleeve pipe (11), the outer wall and the laminating of bull's eye universal ball (34) of slide bar (12).
8. Use of a hydropower station water level warning device according to any one of claims 1-7, characterized by comprising the steps of:
s1, mounting the water level alarm device on a hydropower station water level monitoring platform;
s2, driving the vertical height adjusting mechanism to move through the driving motor, and adjusting the horizontal length extending mechanism to a proper height according to actual requirements;
s3, adjusting the height positions of the first contact element and the second contact element according to the actual water level of the river, and accordingly limiting alarm thresholds of the highest water level and the lowest water level;
s4, driving the second sleeve to move through the electric push rod, so that the first sleeve is driven to move through the second sleeve, and the monitoring mechanism is further moved through the first sleeve;
and S5, the floating component floats on the water surface of the hydropower station, the floating component is driven to lift by the lifting of the water level, the first abutting component and the second abutting component are driven to move up and down by the lifting of the floating component, and due to the fact that the alarm threshold values of the highest water level and the lowest water level are set in the step S3, when any one group of abutting contact sensors of the first abutting component and the second abutting component abut against each other, an alarm is triggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758569.4A CN113280894A (en) | 2021-07-05 | 2021-07-05 | Hydropower station water level alarm device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110758569.4A CN113280894A (en) | 2021-07-05 | 2021-07-05 | Hydropower station water level alarm device and use method thereof |
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| CN113280894A true CN113280894A (en) | 2021-08-20 |
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| CN202110758569.4A Pending CN113280894A (en) | 2021-07-05 | 2021-07-05 | Hydropower station water level alarm device and use method thereof |
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Cited By (1)
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| CN115076547A (en) * | 2022-06-21 | 2022-09-20 | 中国科学院西北生态环境资源研究院 | Glacier material balance full-time measuring system |
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Application publication date: 20210820 |
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| RJ01 | Rejection of invention patent application after publication |