Water level monitoring device for water conservancy and hydropower engineering

Abstract

The utility model discloses a water level monitoring device for water conservancy and hydropower engineering. The water level monitoring device comprises a bottom plate and a middle shell, and an alarm mechanism is fixedly installed at the top of the middle shell. The alarm mechanism comprises an insulating shell, the bottom of the insulating shell is fixedly connected with the top of the middle shell, a first alarm is fixedly installed on the outer wall of the left side of the insulating shell, a second alarm is fixedly installed on the outer wall of the right side of the insulating shell, and an insulating rod is clamped to the inner wall of the bottom of the insulating shell. A first conducting strip is fixedly installed on the back face of the insulating rod, a second conducting strip is fixedly installed on the front face of the insulating rod, an inner threaded sleeve is rotated to drive a hinge block to move along a threaded rod, then the bottom of a hinge rod is driven to move, and the hinge rod pushes a supporting plate to move along a T-shaped groove in the top of a supporting frame. The bottom housing is further pushed to move to change the measurement position.

Description

Technical Field

[0001] The utility model belongs to the technical direction of water conservancy and hydropower engineering, and specifically relates to a water level monitoring device used in water conservancy and hydropower engineering. Background Art

[0002] Water level monitoring is a crucial link in water conservancy and hydropower projects. Water level monitoring mainly monitors the water depth of water bodies intercepted by water conservancy and hydropower projects such as dams. Currently, water level monitoring mostly adopts methods such as setting benchmarks or marking water level warning lines on the inclined wall of the dam body. However, these methods are too single in function and cannot give an alarm in time when the water level exceeds the warning line, which makes people unable to take preventive measures in advance.

[0003] The existing Chinese patent CN 112268599 A discloses a water level monitoring device for water conservancy and hydropower projects. The water level monitoring device for water conservancy and hydropower projects is provided with a buoy on the water tank, so that when the water level in the water tank rises, the buoy can be pushed upward, and then the first baffle can be driven to move upward, and the alarm switch can be squeezed to turn on the alarm device, so that the water level monitoring device has a water level alarm function;

[0004] However, the water level monitoring device used in the above-mentioned water conservancy and hydropower project can only alarm when the water level reaches a fixed height, and cannot realize multi-level alarm, and then people cannot take corresponding countermeasures according to the corresponding warning water level. Utility Model Content

[0005] The utility model aims to provide a water level monitoring device for water conservancy and hydropower engineering in view of the existing device, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a water level monitoring device for water conservancy and hydropower engineering, comprising a bottom plate and an intermediate shell, wherein an alarm mechanism is fixedly installed on the top of the intermediate shell;

[0007] The alarm mechanism includes an insulating shell, the bottom of which is fixedly connected to the top of the intermediate shell, an alarm No. 1 is fixedly installed on the left outer wall of the insulating shell, and an alarm No. 2 is fixedly installed on the right outer wall of the insulating shell; an insulating rod is clamped on the bottom inner wall of the insulating shell, a conductive sheet No. 1 is fixedly installed on the back of the insulating rod, and a conductive sheet No. 2 is fixedly installed on the front of the insulating rod; an insulating pad No. 1, a conductive block No. 1, an insulating pad No. 2, and a conductive block No. 1 are fixedly installed on the inner wall of the back of the insulating shell in sequence from bottom to top, and an insulating pad No. 1 is fixedly installed on the inner wall of the front of the insulating shell in sequence from bottom to top. No. 2 insulating pad one, No. 2 conductive block one, No. 2 insulating pad two, No. 2 conductive block two, the back of the No. 1 conductive sheet contacts the front of the No. 1 conductive block one, the front of the No. 2 conductive sheet contacts the back of the No. 2 insulating pad one, the positive terminal of the No. 1 alarm is electrically signal connected to the front of the No. 1 conductive sheet through a wire, the No. 1 conductive block one and the No. 1 conductive block two are electrically signal connected to the negative terminal of the No. 1 alarm through a wire, the positive terminal of the No. 2 alarm is electrically signal connected to the back of the No. 2 conductive sheet through a wire, the No. 2 conductive block one and the No. 2 conductive block two are electrically signal connected to the negative terminal of the No. 2 alarm through a wire;

[0008] A support frame is fixedly installed on the top of the bottom plate, a support plate is clamped on the top inner wall of the support frame, and an adjustment mechanism is fixedly installed below the support plate.

[0009] Preferably, the adjusting mechanism comprises a through slot and a T-block, the outer wall of the T-block is fixedly connected to the outer wall of the support plate, the T-block is clamped in the T-slot on the inner wall of the top of the support frame, the through slot is located on the left outer wall of the support frame, a threaded rod is fixedly installed on the inner wall of the through slot, the outer wall of the threaded rod is threadedly connected to an internally threaded sleeve, the top of the internally threaded sleeve is rotatably connected to a hinge block through a bearing, the right outer wall of the hinge block is hinged to a hinge rod through a pin, and the top of the hinge rod is hinged to the bottom of the support plate through a pin.

[0010] Preferably, a bottom shell is fixedly installed on the bottom of the intermediate shell, a filter is fixedly installed on the inner wall of the bottom shell, a buffer plate is fixedly installed on the inner wall of the bottom shell, a floating plate is arranged inside the bottom shell, a lightweight rod is fixedly installed on the top of the floating plate, the lightweight rod is clamped in the intermediate shell, the top of the lightweight rod is fixedly connected to the bottom of the insulating rod, and a transparent window is fixedly installed on the left outer wall of the intermediate shell.

[0011] Preferably, the conductive sheet No. 1, conductive sheet No. 2, conductive block No. 1, conductive block No. 1, conductive block No. 2, conductive block No. 2, and conductive block No. 2 have the same size, and the insulating pad No. 1, insulating pad No. 1, insulating pad No. 2, insulating pad No. 2, and insulating pad No. 2 have the same size, and the length of their front side is 1 mm longer than the length of the front side of the conductive sheet No. 1.

[0012] Preferably, a sealing ring is sleeved on the outer wall of the insulating rod, the top of the sealing ring is fixedly connected to the bottom of the insulating shell, and the sealing ring adopts an oil film sealing method.

[0013] Preferably, the left outer wall of the lightweight rod is provided with a scale.

[0014] Preferably, the base plate is fixed to the ground by fasteners such as bolts.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0016] The water level monitoring device used in the water conservancy and hydropower project, the light rod drives the insulating rod to move upward, until the No. 1 conductive sheet contacts the No. 1 conductive block, the No. 1 alarm turns on the first level alarm, when the insulating rod continues to rise, the No. 2 conductive sheet contacts the No. 2 conductive block, the No. 2 alarm turns on the first level alarm, continues to rise, the No. 1 conductive sheet contacts the No. 1 insulating block, and the No. 2 alarm still gives the first level alarm, until the No. 1 conductive sheet contacts the No. 1 conductive block, the No. 1 alarm turns on the second level alarm, similarly as the light rod rises, the No. 1 alarm and the No. 2 alarm will alarm intermittently, but the whole alarm will continue to alarm, realizing continuous alarm while realizing multi-level alarm;

[0017] The water level monitoring device used in the water conservancy and hydropower project rotates the internal threaded sleeve so that the internal threaded sleeve drives the hinge block to move along the threaded rod, thereby driving the bottom of the hinged rod to move, so that the hinged rod pushes the support plate to move along the T-slot in the top of the support frame, thereby pushing the bottom shell to move and changing the measuring position. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the front cross-section structure of the support frame of the utility model;

[0021] Figure 3 It is a schematic diagram of the front section of the bottom shell of the utility model;

[0022] Figure 4 This is a schematic diagram of the front section of the intermediate housing of the utility model;

[0023] Figure 5 It is a schematic diagram of the left side section of the insulating housing of the utility model;

[0024] Figure 6 This utility model Figure 5 A is an enlarged schematic diagram of the structure.

[0025] In the figure: 1 bottom plate, 2 support frame, 3 support plate, 4 alarm mechanism, 401 No. 1 alarm, 402 No. 2 alarm, 403 insulating shell, 404 insulating rod, 405 No. 1 insulating pad 1, 406 No. 1 conductive block 1, 407 No. 1 conductive sheet, 408 No. 1 insulating pad 2, 409 No. 1 conductive block 2, 410 No. 2 conductive sheet, 411 No. 2 insulating pad 1, 412 No. 2 conductive block 1, 413 No. 2 insulating pad 2, 414 No. 2 conductive block 2, 5 intermediate shell, 6 bottom shell, 7 transparent window, 8 adjustment mechanism, 801 hinge block, 802 threaded rod, 803 hinge rod, 804 through slot, 805 T-block, 806 internal threaded sleeve, 9 sealing ring, 10 filter, 11 buffer plate, 12 floating plate, 13 lightweight rod. DETAILED DESCRIPTION

[0026] See also Figure 1-6 The utility model provides a technical solution: a water level monitoring device for water conservancy and hydropower engineering, comprising a bottom plate 1, an intermediate shell 5, and an alarm mechanism 4 is fixedly installed on the top of the intermediate shell 5;

[0027] The alarm mechanism 4 includes an insulating shell 403, the bottom of the insulating shell 403 is fixedly connected to the top of the intermediate shell 5, the left outer wall of the insulating shell 403 is fixedly installed with a No. 1 alarm 401, and the right outer wall of the insulating shell 403 is fixedly installed with a No. 2 alarm 402. The bottom inner wall of the insulating shell 403 is clamped with an insulating rod 404, the back of the insulating rod 404 is fixedly installed with a No. 1 conductive sheet 407, the front of the insulating rod 404 is fixedly installed with a No. 2 conductive sheet 410, and the inner wall of the back of the insulating shell 403 is fixedly installed from bottom to top. The first insulating pad 405, the first conductive block 406, the first insulating pad 408, and the first conductive block 409 are installed. The front inner wall of the insulating shell 403 is fixedly installed with the second insulating pad 411, the second conductive block 412, the second insulating pad 413, and the second conductive block 414 from bottom to top. The back of the first conductive sheet 407 contacts the front of the first conductive block 406, and the front of the second conductive sheet 410 contacts the back of the second insulating pad 411. The positive terminal of the first alarm 401 is connected to the first conductive block 406 through a wire. The front side of the electric sheet 407 is connected to the electric signal, the first conductive block 406 and the first conductive block 409 are connected to the negative terminal of the first alarm 401 through a wire, the positive terminal of the second alarm 402 is connected to the back side of the second conductive sheet 410 through a wire, the second conductive block 412 and the second conductive block 414 are connected to the negative terminal of the second alarm 402 through a wire, the first conductive sheet 407, the second conductive sheet 410, the first conductive block 406, the first conductive block 409, the second conductive block 414 are connected to the negative terminal of the second alarm 402 through a wire, 2. The size of the No. 2 conductive block 414 is the same, the size of the No. 1 insulating pad 405, the No. 1 insulating pad 408, the No. 2 insulating pad 411, and the No. 2 insulating pad 413 are consistent, and the length of the front side is 1 mm longer than the length of the front side of the No. 1 conductive sheet 407. The error range is set to avoid the alarm level error caused by water surface fluctuations. The outer wall of the insulating rod 404 is provided with a sealing ring 9, the top of the sealing ring 9 is fixedly connected to the bottom of the insulating housing 403, and the sealing ring 9 adopts an oil film sealing method to prevent water from entering the insulating housing 403;

[0028] A support frame 2 is fixedly installed on the top of the base plate 1, and a support plate 3 is clamped on the top inner wall of the support frame 2. An adjustment mechanism 8 is fixedly installed below the support plate 3. The adjustment mechanism 8 includes a through slot 804 and a T-block 805. The outer wall of the T-block 805 is fixedly connected to the outer wall of the support plate 3. The T-block 805 is clamped in the T-slot on the top inner wall of the support frame 2. The through slot 804 is located on the left outer wall of the support frame 2. A threaded rod 802 is fixedly installed on the inner wall of the through slot 804. The outer wall of the threaded rod 802 is threadedly connected with an internal threaded sleeve 806. The top of the internal threaded sleeve 806 is rotatably connected to a hinge block 801 through a bearing. The right outer wall of the hinge block 801 is hinged with a hinge rod 803 through a pin. The top of the hinge rod 803 is connected to the support The bottom of the plate 3 is hinged, and the bottom of the middle shell 5 is fixedly installed with a bottom shell 6, the inner wall of the bottom shell 6 is fixedly installed with a filter screen 10, and the inner wall of the bottom shell 6 is fixedly installed with a buffer plate 11 to reduce the water surface fluctuation that causes the floating block 12 to float up and down too much, thereby causing inaccurate water level monitoring. A floating plate 12 is arranged inside the bottom shell 6, and a lightweight rod 13 is fixedly installed on the top of the floating plate 12. The lightweight rod 13 is clamped in the middle shell 5, and the top of the lightweight rod 13 is fixedly connected to the bottom of the insulating rod 404. A transparent window 7 is fixedly installed on the left outer wall of the middle shell 5 for observing the lightweight rod 13. The left outer wall of the lightweight rod 13 is provided with a scale for displaying the water level. The bottom plate 1 is fixed to the ground by bolts and other fasteners.

[0029] When the water level monitoring device for water conservancy and hydropower projects is in use, the internal threaded sleeve 806 is rotated so that the internal threaded sleeve 806 drives the hinge block 801 to move along the threaded rod 802, thereby driving the bottom of the hinged rod 803 to move, so that the hinged rod 803 pushes the support plate 3 to move along the T-slot in the top of the support frame 2, thereby pushing the bottom shell 6 to move, changing the measuring position, and when the water level rises, the floating plate 12 drives the lightweight rod 13 to rise, and the monitor can observe the scale on the lightweight rod 13 through the transparent window 7 to obtain the water level, and when the lightweight rod 13 drives the insulating rod 404 to move upward until the No. 1 conductive sheet 407 contacts the No. 1 conductive block 406, the No. 1 alarm 401 turns on the first level alarm, and when the insulating rod 40 When the rod 13 continues to rise, the No. 2 conductive sheet 410 contacts the No. 2 conductive block 1 412, and the No. 2 alarm 402 turns on the first level alarm. At this time, the No. 1 conductive sheet 407 is still in contact with the No. 1 conductive block 1 406, and the No. 1 alarm 401 still turns on the first level alarm. When the rod 13 continues to rise, the No. 1 conductive sheet 407 contacts the No. 1 insulating block 408, and the No. 2 alarm 410 still gives the first level alarm, until the No. 1 conductive sheet 407 contacts the No. 1 conductive block 2 409, and the No. 1 alarm 401 turns on the second level alarm. Similarly, as the lightweight rod 13 rises, the No. 1 alarm 401 and the No. 2 alarm 402 will alarm intermittently, but the whole alarm will be continuously alarmed, realizing continuous alarm while realizing multi-level alarm.

Claims

1. A water level monitoring device for a water conservancy and hydropower project, comprising a bottom plate (1) and an intermediate housing (5), characterized in that: An alarm mechanism (4) is fixedly mounted on the top of the intermediate housing (5); The alarm mechanism (4) comprises an insulating shell (403), the bottom of the insulating shell (403) is fixedly connected to the top of the intermediate shell (5), a No. 1 alarm (401) is fixedly mounted on the left outer wall of the insulating shell (403), and a No. 2 alarm (402) is fixedly mounted on the right outer wall of the insulating shell (403); an insulating rod (404) is clamped on the bottom inner wall of the insulating shell (403), a No. 1 conductive sheet (407) is fixedly mounted on the back of the insulating rod (404), and a No. 2 conductive sheet (410) is fixedly mounted on the front of the insulating rod (404); a No. 1 insulating pad 1 (405), a No. 1 conductive block 1 (406), a No. 1 insulating pad 2 (408), and a No. 1 conductive block 2 (409) are fixedly mounted on the back inner wall of the insulating shell (403) in sequence from bottom to top, and a No. 1 conductive pad 1 (405), a No. 1 conductive block 1 (406), a No. 1 insulating pad 2 (408), and a No. 1 conductive block 2 (409) are fixedly mounted on the front inner wall of the insulating shell (403) in sequence from bottom to top. A No. 2 insulating pad 1 (411), a No. 2 conductive block 1 (412), a No. 2 insulating pad 2 (413), and a No. 2 conductive block 2 (414) are installed; the back of the No. 1 conductive sheet (407) contacts the front of the No. 1 conductive block 1 (406); the front of the No. 2 conductive sheet (410) contacts the back of the No. 2 insulating pad 1 (411); the positive terminal of the No. 1 alarm (401) is electrically connected to the front of the No. 1 conductive sheet (407) through a wire; the No. 1 conductive block 1 (406) and the No. 1 conductive block 2 (409) are electrically connected to the negative terminal of the No. 1 alarm (401) through a wire; the positive terminal of the No. 2 alarm (402) is electrically connected to the back of the No. 2 conductive sheet (410) through a wire; the No. 2 conductive block 1 (412) and the No. 2 conductive block 2 (414) are electrically connected to the negative terminal of the No. 2 alarm (402) through a wire; A support frame (2) is fixedly mounted on the top of the base plate (1), a support plate (3) is clamped on the inner wall of the top of the support frame (2), and an adjustment mechanism (8) is fixedly mounted below the support plate (3).

2. A water level monitoring device for water conservancy and hydropower engineering according to claim 1, characterized in that: The adjusting mechanism (8) comprises a through slot (804) and a T-shaped block (805); the outer wall of the T-shaped block (805) is fixedly connected to the outer wall of the support plate (3); the T-shaped block (805) is snap-fitted into the T-shaped slot on the inner wall of the top of the support frame (2); the through slot (804) is located on the left outer wall of the support frame (2); a threaded rod (802) is fixedly mounted on the inner wall of the through slot (804); an inner threaded sleeve (806) is threadedly connected to the outer wall of the threaded rod (802); the top of the inner threaded sleeve (806) is rotatably connected to a hinge block (801) via a bearing; the right outer wall of the hinge block (801) is hingedly connected to a hinge rod (803) via a pin; and the top of the hinge rod (803) is hingedly connected to the bottom of the support plate (3) via a pin.

3. A water level monitoring device for water conservancy and hydropower engineering according to claim 1, characterized in that: A bottom shell (6) is fixedly mounted on the bottom of the intermediate shell (5), a filter screen (10) is fixedly mounted on the inner wall of the bottom shell (6), a buffer plate (11) is fixedly mounted on the inner wall of the bottom shell (6), a floating plate (12) is arranged inside the bottom shell (6), a light rod (13) is fixedly mounted on the top of the floating plate (12), the light rod (13) is clamped in the intermediate shell (5), the top of the light rod (13) is fixedly connected to the bottom of the insulating rod (404), and a transparent window (7) is fixedly mounted on the left outer wall of the intermediate shell (5).

4. A water level monitoring device for water conservancy and hydropower engineering according to claim 1, characterized in that: The sizes of the No. 1 conductive sheet (407), the No. 2 conductive sheet (410), the No. 1 conductive block 1 (406), the No. 1 conductive block 2 (409), the No. 2 conductive block 1 (412), and the No. 2 conductive block 2 (414) are the same; the sizes of the No. 1 insulating pad 1 (405), the No. 1 insulating pad 2 (408), the No. 2 insulating pad 1 (411), and the No. 2 insulating pad 2 (413) are consistent, and the length of their front sides is 1 mm longer than the length of the front side of the No. 1 conductive sheet (407).

5. The water level monitoring device for water conservancy and hydropower engineering according to claim 1, characterized in that: The outer wall of the insulating rod (404) is sleeved with a sealing ring (9), the top of the sealing ring (9) is fixedly connected to the bottom of the insulating housing (403), and the sealing ring (9) adopts an oil film sealing method.

6. A water level monitoring device for water conservancy and hydropower engineering according to claim 3, characterized in that: The left outer wall of the lightweight rod (13) is provided with a scale.

7. A water level monitoring device for water conservancy and hydropower engineering according to claim 1, characterized in that: The base plate (1) is fixed to the ground by bolt fasteners.

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