Water level monitoring device for hydroelectric power station

Abstract

The utility model discloses a water level monitoring device for a hydroelectric power station, which relates to the technical field of water level monitoring and is characterized in that a top floating plate fixedly mounted on the top surface of a buoy body, a bottom floating plate fixedly mounted on the bottom surface of the buoy body and an enclosure component surrounding the periphery of the buoy body are matched to protect the buoy body in all directions. The buoy body is prevented from being impacted and damaged by floating objects in a water body in the long-time use process, meanwhile, the metal floating objects are effectively isolated, interference of the metal objects on the precision when the buoy body, the measuring guide pipe body and the probe body are matched for measurement is avoided, and then the water level monitoring precision can be effectively ensured under the condition of long-time immersion; the device is suitable for long-term water level monitoring of a hydropower station, the enclosure assembly is fixed through the elastic fixing handle, when the enclosure assembly needs to be cleaned, the elastic fixing handle is pulled to be disengaged from the enclosure assembly, and then the enclosure assembly can be rapidly detached and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of water level monitoring, in particular to a water level monitoring device for a hydropower station. Background Art

[0002] As a common hydrological data monitoring device, water level monitoring device can be divided into contact and non-contact types according to the detection method. The contact water level monitoring device uses a probe, a liquid level transmitter and a liftable pulling component to measure the water level of the water body. The probe is inserted into the water body, and the liquid level transmitter detects the insertion depth of the probe to measure the water level. As an important water conservancy hub, the water level monitoring of the hydropower station is mainly for early warning. There is a water level reminder line engraved on the side wall of the hydropower station. However, the timeliness of observing the water level line through the human eye is poor. Therefore, monitoring and early warning through a water level monitoring device has better timeliness.

[0003] Currently, conventional water level monitoring devices lack protective structures and are suitable for transient water level measurements. If they are submerged in water for a long time, garbage, impurities, and metal objects in the water will easily entangle and impact the floating structure used for measurement. Not only will they easily damage the floating structure, but some of the metal objects have the property of changing the electromagnetic field, which may interfere with the normal operation of the floating structure and cause large errors in the measurement results.

[0004] Therefore, a water level monitoring device for a hydropower station is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems mentioned in the above background technology and provide a water level monitoring device for a hydropower station.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A water level monitoring device for a hydropower station comprises a gantry, a rotating shaft is rotatably installed between the left and right side surfaces of an inner wall of the gantry, one end of the rotating shaft passes through the side surface of the gantry, a measuring catheter body is wound on the surface of the rotating shaft, one end of the rotating shaft passing through the side surface of the gantry is provided with a retractable and extendable control component for driving the rotating shaft to rotate, the retractable and extendable control component is slidably inserted into the side surface of the gantry, a buoy body, a bottom floating plate and a top floating plate are slidably mounted on the surface of the measuring catheter body, the buoy body is fixedly installed between the opposite surfaces of the bottom floating plate and the top floating plate, a probe body is fixedly installed on the free end of the measuring catheter body, a protective assembly is slidably inserted into the side surface of the top floating plate, the number of the protective assembly is two and they are tightly fitted around the outside of the buoy body front and back, and an elastic fixing handle for fixing the protective assembly is provided on the surface of the top floating plate.

[0008] Furthermore, the rotating shaft surface is fixedly sleeved with a baffle, the number of the baffles is two and they are arranged opposite to each other on the left and right, the measuring catheter body is wound between the two baffles, and the bottom floating plate, top floating plate, enclosure assembly and elastic fixed handle are all made of non-metallic materials.

[0009] Furthermore, the retraction and extension control component includes a limit slide groove and a U-shaped handle, the limit slide groove is opened inside the end of the rotating shaft passing through the side of the gantry, the limit slide slider is slidably installed on the inner wall surface of the limit slide groove, the surface of the end of the rotating shaft passing through the side of the gantry is slidably inserted with a U-shaped handle, the U-shaped handle is fixedly connected to the surface of the limit slide slider, the part of the U-shaped handle away from the rotating shaft and parallel to the rotating shaft is slidably inserted on the surface of the gantry, and a first spring is fixedly connected between the side surface of the U-shaped handle close to the gantry and the side surface of the gantry.

[0010] Furthermore, the enclosure assembly includes a protective enclosure plate, which is a cylindrical shell with an opening on the side, a plug plate is fixedly installed on the top of the inner side of the protective enclosure plate, a positioning hole is opened on the top surface of the plug plate, and the two plug plates are slidably inserted into the front and rear sides of the top floating plate respectively. The front and rear protective enclosure plates are fitted together to form a complete cylindrical shell, and the elastic fixed handle is slidably set through the inner wall surface of the positioning hole.

[0011] Furthermore, a plurality of filter holes are provided on the surface of the protective enclosure, and the width of the openings is set larger than the diameter of the buoy body.

[0012] Furthermore, the elastic fixed handle includes a cross bar, a sliding pin is fixedly installed on the bottom surface of the cross bar, the sliding pins are two in number on the surface of the cross bar and are symmetrically arranged on the left and right, a limiting pin is fixedly installed on the bottom surface of the sliding pin, an open groove is provided on the side of the top floating plate, the plug plate is slidably inserted into the inner wall surface of the open groove, and the top and bottom surfaces of the inner wall of the open groove are both provided with limiting holes, the sliding pin is slidably inserted into the top surface of the top floating plate, the limiting pin is slidably installed on the inner wall surface of the limiting hole and the inner wall surface of the positioning hole, a second spring is fixedly connected between the opposite surfaces of the cross bar and the top floating plate, and the second spring is sleeved on the outside of the sliding pin.

[0013] The beneficial effects of the utility model are as follows:

[0014] The buoy body is protected in all directions by the top floating plate fixedly installed on the top surface of the buoy body, the bottom floating plate fixedly installed on the bottom surface of the buoy body and the enclosure assembly surrounding the periphery of the buoy body, so as to prevent the buoy body from being damaged by the impact of floating objects in the water during long-term use. At the same time, the metal floating objects are effectively isolated to prevent the metal objects from interfering with the accuracy of the measurement when the buoy body, the measuring catheter body and the probe body are coordinated. Therefore, the water level monitoring accuracy can be effectively ensured under long-term immersion. The system is suitable for long-term water level monitoring in hydropower stations. The enclosure assembly is fixed by an elastic fixing handle. When the enclosure assembly needs to be cleaned, the elastic fixing handle is pulled to make it slide off the enclosure assembly, and the enclosure assembly can be quickly disassembled for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the three-dimensional structure of the utility model;

[0017] Figure 3 It is a side sectional view of the three-dimensional structure of the enclosure assembly of the utility model;

[0018] Figure 4 It is an exploded schematic diagram of the local structure of the utility model;

[0019] Figure numerals: 1. gantry; 2. rotating shaft; 3. baffle; 4. measuring catheter body; 5. retraction and extension control assembly; 501. limiting slide groove; 502. limiting slider; 503. U-shaped handle; 504. first spring; 6. float body; 7. probe body; 8. bottom floating plate; 9. top floating plate; 10. enclosure assembly; 101. protective enclosure; 102. plug plate; 103. positioning hole; 11. elastic fixing handle; 111. limiting plug column; 112. sliding plug column; 113. cross bar; 114. second spring; 115. limiting plug hole; 116. opening slot. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0024] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] like Figures 1 to 4 As shown, a water level monitoring device for a hydropower station includes a gantry 1, a rotating shaft 2 is rotatably installed between the left and right sides of the inner wall of the gantry 1, one end of the rotating shaft 2 passes through the side of the gantry 1, a measuring catheter body 4 is wound on the surface of the rotating shaft 2, one end of the rotating shaft 2 passing through the side of the gantry 1 is provided with a retractable control component 5 for driving the rotating shaft 2 to rotate, the retractable control component 5 is slidably inserted into the side of the gantry 1, a buoy body 6, a bottom floating plate 8 and a top floating plate 9 are slidably mounted on the surface of the gantry 1, the surface of the measuring catheter body 4 is slidably covered with a buoy body 6, a bottom floating plate 8 and a top floating plate 9, the buoy body 6 is fixedly installed between the opposite surfaces of the bottom floating plate 8 and the top floating plate 9, a probe body 7 is fixedly installed on the free end of the measuring catheter body 4, a protective component 10 is slidably inserted on the side of the top floating plate 9, the number of the protective components 10 is two and they are tightly fitted around the outside of the buoy body 6 front and back, and an elastic fixing handle 11 for fixing the protective component 10 is provided on the surface of the top floating plate 9.

[0026] More specifically, when the retractable and unretractable control component 5 is slidably inserted into the side of the gantry 1, the retractable and unretractable control component 5 is fixed and cannot rotate. When the retractable and unretractable control component 5 slips off the side of the gantry 1, the rotating shaft 2 can be driven to rotate by rotating the retractable and unretractable control component 5, so that the measuring catheter body 4 wound on the surface of the rotating shaft 2 is retracted and extended, so that the probe body 7 is at a suitable anchoring depth, and then the retractable and unretractable control component 5 is slidably inserted into the side of the gantry 1 again, so that the probe body 7 can be positioned, and then the water level can be monitored in real time through the cooperation of the measuring catheter body 4, the buoy body 6, the probe body 7 and the external analyzer, and the top floating plate 9 fixedly installed on the top surface of the buoy body 6 and the bottom floating plate fixedly installed on the bottom surface of the buoy body 6 are used. The float plate 8 and the enclosure assembly 10 surrounding the periphery of the buoy body 6 cooperate to provide all-round protection for the buoy body 6 to prevent the buoy body 6 from being damaged by the impact of floating objects in the water during long-term use. At the same time, it effectively isolates metal floating objects to prevent metal objects from interfering with the accuracy of the measurement performed by the buoy body 6 and the measuring catheter body 4 and the probe body 7. Therefore, the water level monitoring accuracy can be effectively ensured under long-term immersion. It is suitable for long-term water level monitoring in hydropower stations. The enclosure assembly 10 is fixed with an elastic fixing handle 11. When the enclosure assembly 10 needs to be cleaned, the elastic fixing handle 11 is pulled to make it slide off the enclosure assembly 10, and the enclosure assembly 10 can be quickly disassembled for cleaning.

[0027] A baffle 3 is fixedly mounted on the surface of the rotating shaft 2. There are two baffles 3 which are arranged opposite to each other on the left and right sides. The measuring catheter body 4 is wound between the two baffles 3. The bottom floating plate 8, the top floating plate 9, the enclosure assembly 10 and the elastic fixed handle 11 are all made of non-metallic materials.

[0028] Specifically, the measuring catheter body 4 is limited by the baffle 3 so that the measuring catheter body 4 is wound in an orderly manner on the surface of the rotating shaft 2. The bottom floating plate 8, the top floating plate 9, the enclosure assembly 10 and the elastic fixed handle 11 are made of non-metallic materials to avoid electromagnetic interference caused by metal materials to the float body 6.

[0029] The retraction and extension control component 5 includes a limit slide groove 501 and a U-shaped handle 503. The limit slide groove 501 is opened inside the end of the rotating shaft 2 that passes through the side of the gantry 1. The limit slider 502 is slidably installed on the inner wall surface of the limit slide groove 501. The U-shaped handle 503 is slidably inserted on the surface of the end of the rotating shaft 2 that passes through the side of the gantry 1. The U-shaped handle 503 is fixedly connected to the surface of the limit slider 502. The part of the U-shaped handle 503 away from the rotating shaft 2 and parallel to the rotating shaft 2 is slidably inserted on the surface of the gantry 1. A first spring 504 is fixedly connected between the side surface of the U-shaped handle 503 close to the gantry 1 and the side of the gantry 1.

[0030] Specifically, grasp the U-shaped handle 503 to make it slide off the side of the gantry 1, and then the U-shaped handle 503 can be rotated freely. The rotation of the U-shaped handle 503 drives the limit slider 502 to rotate. At this time, the first spring 504 is stretched. Since the limit slider 502 is slidably arranged relative to the inner wall surface of the limit slide groove 501, and the limit slide groove 501 is opened inside the rotating shaft 2, the rotation of the limit slider 502 will drive the rotating shaft 2 to rotate, thereby realizing the retraction and release of the measuring catheter body 4 wound on the surface of the rotating shaft 2. After adjusting the probe body 7 to a suitable position, under the action of the elastic restoring force of the first spring 504, the U-shaped handle 503 is slid and inserted into the side of the gantry 1 again, and the retraction and release control component 5 is fixed, so that the rotating shaft 2 can be fixed.

[0031] The enclosure assembly 10 includes a protective enclosure 101, which is a cylindrical shell with an opening on the side. A plug plate 102 is fixedly installed on the top of the inner side of the protective enclosure 101. A positioning hole 103 is opened on the top surface of the plug plate 102. The two plug plates 102 are slidably inserted into the front and rear sides of the top floating plate 9 respectively. The front and rear protective enclosures 101 are fitted together to form a complete cylindrical shell. The elastic fixed handle 11 is slidably set on the inner wall surface of the positioning hole 103.

[0032] Specifically, the plug plate 102 is slidably inserted into the side of the top floating plate 9, and the elastic fixing handle 11 is used to slide through the inner wall surface of the positioning hole 103 to fix the plug plate 102, that is, the protection panel 101 is fixed. The two protective panels 101 are bonded together to form a complete cylindrical shell, which protects the internal buoy body 6 and effectively isolates the impact of debris and the electromagnetic interference of metal objects.

[0033] A plurality of filter holes are provided on the surface of the protective enclosure 101 , and the width of the opening is larger than the diameter of the buoy body 6 .

[0034] Specifically, while isolating debris and metal objects through the filter holes, the water can smoothly enter the inside of the protective enclosure 101, and the water can fully contact the buoy body 6, the bottom floating plate 8, and the top floating plate 9, so that the buoy body 6 can float smoothly, ensuring the accuracy of water level monitoring. The opening width setting on the surface of the protective enclosure 101 ensures that it can be detached from between the bottom floating plate 8 and the top floating plate 9, avoiding being stuck by the buoy body 6 and unable to be removed for cleaning.

[0035] The elastic fixed handle 11 includes a cross bar 113, and a sliding plug 112 is fixedly installed on the bottom surface of the cross bar 113. The number of sliding plugs 112 on the surface of the cross bar 113 is two and they are symmetrically arranged on the left and right. A limiting plug 111 is fixedly installed on the bottom surface of the sliding plug 112. An opening groove 116 is provided on the side of the top floating plate 9. The plug plate 102 is slidably inserted into the inner wall surface of the opening groove 116. The top and bottom surfaces of the inner wall of the opening groove 116 are provided with limiting holes 115. The sliding plug 112 is slidably inserted into the top surface of the top floating plate 9. The limiting plug 111 is slidably installed on the inner wall surface of the limiting hole 115 and the inner wall surface of the positioning hole 103. A second spring 114 is fixedly connected between the opposite surfaces of the cross bar 113 and the top floating plate 9. The second spring 114 is sleeved on the outside of the sliding plug 112.

[0036] Specifically, the gripping cross bar 113 is pulled upward, so that the sliding pin 112 and the limiting pin 111 slide upward, and the limiting pin 111 originally located in the positioning hole 103 and the limiting pin 115 will enter the limiting pin 115 opened on the top surface of the inner wall of the opening groove 116. At this time, the limiting pin 111 completely slips out of the positioning hole 103, so the plug plate 102 can be slid out of the opening groove 116, and then the enclosure assembly 10 can be removed as a whole for cleaning. When the elastic fixing handle 11 fixes the enclosure assembly 10, the elasticity of the second spring 114 is used to apply opposite forces to the cross bar 113 and the top floating plate 9, so that the limiting pin 111 can be reliably inserted into the limiting pin 115 and the positioning hole 103 without external tension, so as to reliably fix the enclosure assembly 10.

[0037] In summary: the top floating plate 9 fixedly installed on the top surface of the buoy body 6, the bottom floating plate 8 fixedly installed on the bottom surface of the buoy body 6 and the enclosure assembly 10 surrounding the periphery of the buoy body 6 are used to provide all-round protection for the buoy body 6 to prevent the buoy body 6 from being damaged by the impact of floating objects in the water during long-term use. At the same time, metal floating objects are effectively isolated to prevent metal objects from interfering with the accuracy of the measurement when the buoy body 6 and the measuring catheter body 4 and the probe body 7 are coordinated. Therefore, the water level monitoring accuracy can be effectively ensured under long-term immersion. The system is suitable for long-term water level monitoring in hydropower stations. The enclosure assembly 10 is fixed with an elastic fixing handle 11. When the enclosure assembly 10 needs to be cleaned, the elastic fixing handle 11 is pulled to make it slide off the enclosure assembly 10, and the enclosure assembly 10 can be quickly disassembled for cleaning.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A water level monitoring device for a hydropower station, characterized in that: The invention comprises a gantry (1), wherein a rotating shaft (2) is rotatably mounted between the left and right sides of the inner wall of the gantry (1), and one end of the rotating shaft (2) passes through the gantry. (1) is arranged on the side, the measuring catheter body (4) is wound around the surface of the rotating shaft (2), and the rotating shaft (2) A retractable and extendable control component (5) for driving the rotating shaft (2) to rotate is provided at one end of the side of the gantry (1), and the retractable and extendable control component (5) is slidably inserted into the side of the gantry (1). The surface of the measuring catheter body (4) is slidably covered with a buoy body (6), a bottom floating plate (8) and a top floating plate (9). The buoy body (6) is fixedly installed between the opposite surfaces of the bottom floating plate (8) and the top floating plate (9). The free end of the measuring catheter body (4) is fixedly installed with a probe body (7). The side of the top floating plate (9) is slidably inserted with a protective component (10). The number of the protective components (10) is two and they are tightly arranged around the outside of the buoy body (6) from front to back. The surface of the top floating plate (9) is provided with an elastic fixing handle (11) for fixing the protective component (10).

2. A water level monitoring device for a hydropower station according to claim 1, characterized in that: The surface of the rotating shaft (2) is fixedly sleeved with a baffle (3), the number of the baffles (3) is two and they are arranged opposite to each other on the left and right, the measuring catheter body (4) is wound between the two baffles (3), and the bottom floating plate (8), the top floating plate (9), the enclosure component (10) and the elastic fixed handle (11) are all made of non-metallic materials.

3. The water level monitoring device for a hydropower station according to claim 1, characterized in that: The retractable and retractable control component (5) comprises a limiting slide groove (501) and a U-shaped handle (503). The limiting slide groove (501) is arranged inside one end of the rotating shaft (2) passing through the side of the gantry (1). A limiting slider (502) is slidably installed on the inner wall surface of the limiting slide groove (501). A U-shaped handle (503) is slidably inserted on the surface of one end of the rotating shaft (2) passing through the side of the gantry (1). The U-shaped handle (503) is fixedly connected to the surface of the limiting slider (502). The part of the U-shaped handle (503) away from the rotating shaft (2) and parallel to the rotating shaft (2) is slidably inserted on the surface of the gantry (1). A first spring (504) is fixedly connected between the side surface of the U-shaped handle (503) close to the gantry (1) and the side surface of the gantry (1).

4. The water level monitoring device for a hydropower station according to claim 1, characterized in that: The enclosure assembly (10) comprises a protective enclosure (101), the protective enclosure (101) being a cylindrical shell with an opening on the side, a plug plate (102) being fixedly mounted on the top of the inner side of the protective enclosure (101), a positioning hole (103) being provided on the top surface of the plug plate (102), two of the plug plates (102) being slidably inserted into the front and rear sides of the top floating plate (9), respectively, and the front and rear protective enclosures (101) being fitted together to form a complete cylindrical shell, and the elastic fixed handle (11) being slidably arranged on the inner wall surface of the positioning hole (103).

5. A water level monitoring device for a hydropower station according to claim 4, characterized in that: A plurality of filter holes are provided on the surface of the protective enclosure (101), and the width of the openings is larger than the diameter of the buoy body (6).

6. A water level monitoring device for a hydropower station according to claim 5, characterized in that: The elastic fixed handle (11) comprises a cross bar (113), a sliding plug post (112) is fixedly installed on the bottom surface of the cross bar (113), two sliding plug posts (112) are arranged symmetrically on the left and right sides of the surface of the cross bar (113), a limited plug post (111) is fixedly installed on the bottom surface of the sliding plug post (112), an open groove (116) is opened on the side surface of the top floating plate (9), and the plug plate (102) is slidably inserted in the inner wall surface of the open groove (116), The top and bottom surfaces of the inner wall of the opening groove (116) are both provided with a limit plug hole (115), the sliding plug column (112) is slidably inserted into the top surface of the top floating plate (9), the limit plug column (111) is slidably installed on the inner wall surface of the limit plug hole (115) and the inner wall surface of the positioning hole (103), and a second spring (114) is fixedly connected between the opposite surfaces of the cross bar (113) and the top floating plate (9), and the second spring (114) is sleeved on the outside of the sliding plug column (112).

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