Water level monitoring device for water conservancy and hydropower engineering investigation

Abstract

The water level monitoring device comprises a detection cylinder, the left side of the middle end of the detection cylinder is communicated and connected with the right end of a first water inlet pipe, the left end of the first water inlet pipe is provided with a first filter screen, and the right side of the middle end of the first water inlet pipe is communicated and connected with the left end of a second water inlet pipe; a blocking block is arranged below the junction of the first water inlet pipe and the second water inlet pipe at the detection cylinder, the blocking block is fixed in the lower half end of the detection cylinder, a waterproof motor is arranged at the bottom of the blocking block, and the output end of the waterproof motor is fixedly connected with the bottom of the impeller rotating rod; the impeller is installed at the intersection of the first water inlet pipe and the second water inlet pipe at the detection cylinder, a detection cavity is formed in the upper half end of the detection cylinder, a floating piece is arranged in the detection cavity, and a distance measuring instrument is installed above the floating piece correspondingly, and the device can clean the protective net of the water inlet pipe and prevent the protective net from being blocked by sludge and gravel.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy project construction, in particular to a water level monitoring device used for water conservancy and hydropower project survey. Background Art

[0002] Water conservancy projects refer to flood control, drainage, irrigation, hydropower generation, water diversion and supply, tidal flat management, soil and water conservation, water resource protection and other supervision projects and their supporting and ancillary projects. Their fundamental purpose is to eliminate water disasters. During the construction of water conservancy projects, detection devices are often required to detect water levels. However, during the use of water level monitoring devices, the protective net of the water inlet pipe cannot be cleaned, which can easily cause the protective net to be blocked by silt and sand, thus affecting the monitoring results.

[0003] In the prior art, the water level monitoring device for water conservancy projects with patent number CN216695191U discloses a detection tube and a water inlet pipe, the water inlet pipe is provided with several through holes, the detection tube is arranged inside the water inlet pipe and is fixedly connected with the water inlet pipe, the detection tube is provided with a first reed switch, a second reed switch and a third reed switch from low to high, the top of the water inlet pipe is provided with a first warning light, a second warning light and a third warning light, the first warning light is connected with the first reed switch and the second reed switch respectively, the second warning light is connected with the second reed switch and the third reed switch respectively, and the third warning light is connected with the third reed switch; the detection tube is sleeved with a floating ball on the outside, a telescopic rod is fixedly connected below the floating ball, the bottom of the telescopic rod is fixedly connected with the water inlet pipe, and the telescopic rod is a metal telescopic rod. The utility model can carry out different degrees of early warning by monitoring the water level, so that the staff can know the water level intuitively and clearly. Among them, during the use of this solution, the protective net of the water inlet pipe cannot be cleaned, which easily causes the protective net to be blocked by silt and gravel, thereby affecting the monitoring results. Therefore, in order to solve the above problem, a water level monitoring device for water conservancy and hydropower engineering survey is proposed. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A water level monitoring device for water conservancy and hydropower engineering survey, comprising a detection cylinder, the left side of the middle end of the detection cylinder is conductively connected to the right end of a first water inlet pipe, the left end of the first water inlet pipe is provided with a first filter, the right side of the middle end of the first water inlet pipe is conductively connected to the left end of a second water inlet pipe, the right end of the second water inlet pipe is provided with a second filter, a blocking block is provided below the intersection of the first water inlet pipe and the second water inlet pipe at the detection cylinder, the blocking block is fixed inside the lower half of the detection cylinder, a waterproof motor is provided at the bottom of the blocking block, the output end of the waterproof motor is fixedly connected to the bottom of an impeller rotating rod, the impeller is installed at the intersection of the first water inlet pipe and the second water inlet pipe in the detection cylinder, a detection cavity is provided inside the upper half of the detection cylinder, a floating part is provided inside the detection cavity, a rangefinder is provided above the corresponding part of the floating part, the top of the rangefinder is fixedly connected to the bottom of the middle end of the top cover, and the top cover is installed on the top of the detection cylinder.

[0006] Preferably, the top of the top cover is fixedly connected to the bottom of the support rod, and the top of the support rod is welded to the bottom of the middle end of the protective cover.

[0007] Preferably, a bottom plate is provided at the bottom of the detection tube, and fixing pins are provided in sequence on the outer ring of the bottom plate at the same intervals.

[0008] Preferably, a rotating block is provided on the left side of the bottom end of the detection tube, the rotating rod inside the rotating block is fixedly connected to the top of the rotating plate, the right side of the bottom end of the rotating plate is welded to the top of the inverted rod, one end of the tension spring is connected to the right side of the bottom end of the rotating plate, and the other end is connected to the left side of the bottom end of the detection tube.

[0009] Preferably, the height of the water inlet at the bottom of the detection chamber is higher than the position of the intersection of the first water inlet pipe and the second water inlet pipe in the detection cylinder.

[0010] Preferably, the protective cover is made of stainless steel.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: (1) the waterproof motor of the device can drive the impeller to work in forward and reverse directions. The reverse rotation of the impeller can make the water entering the first water inlet pipe be discharged from the second water inlet pipe, thereby cleaning the silt and sand and gravel clogging the second filter screen. The forward rotation of the impeller can make the water entering the second water inlet pipe be discharged from the first water inlet pipe, thereby cleaning the silt and sand and gravel clogging the first filter screen, preventing the water inlet pipe from being blocked.

[0012] (2) Adjust the rotating plate to a suitable angle, and then insert the inverted rod into the ground. The tension spring exerts a pulling force on the rotating plate to prevent the rotating plate from loosening, thereby increasing the grip of the device and further improving the stability of the device after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 A is a schematic diagram of the enlarged structure.

[0017] Explanation of the reference numerals in the figure: detection cylinder 1, rangefinder 10, first water inlet pipe 11, detection chamber 12, floating member 13, impeller 14, second water inlet pipe 15, second filter screen 16, barrier block 17, waterproof motor 18, first filter screen 19, top cover 2, support rod 3, protective cover 31, bottom plate 4, fixing pin 41, rotating block 51, rotating plate 52, inverted hanging rod 53, tension spring 54. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-3The utility model provides an embodiment: a water level monitoring device for water conservancy and hydropower engineering survey, including a detection cylinder 1, the left side of the middle end of the detection cylinder 1 is conductively connected to the right end of a first water inlet pipe 11, the left end of the first water inlet pipe 11 is provided with a first filter 19, the first water inlet pipe 11 is used to connect to an external water source, the first filter 19 filters the water entering the first water inlet pipe 11, the right side of the middle end of the first water inlet pipe 11 is conductively connected to the left end of a second water inlet pipe 15, the right end of the second water inlet pipe 15 is provided with a second filter 16, the second water inlet pipe 15 is also used to connect to an external water source, the second filter 16 filters the water entering the second water inlet pipe 15, the first water inlet pipe 1 1 and the second water inlet pipe 15 are provided with a blocking block 17 below the intersection of the detection tube 1. The blocking block 17 is fixed inside the lower half of the detection tube 1. A waterproof motor 18 is installed at the bottom of the blocking block 17. The output end of the waterproof motor 18 is fixedly connected to the bottom of the rotating rod of the impeller 14. The waterproof motor 18 can drive the impeller 14 to rotate. By controlling the forward and reverse rotation of the impeller 14, the reverse rotation of the impeller 14 can make the water entering the first water inlet pipe 11 discharged from the second water inlet pipe 15, thereby cleaning the silt and sand and gravel blocking the second filter screen 16. The forward rotation of the impeller 14 can make the water entering the second water inlet pipe 15 discharged from the first water inlet pipe 11, thereby cleaning the silt and sand and gravel blocking the first filter screen 19. The impeller 14 is installed at the intersection of the first water inlet pipe 11 and the second water inlet pipe 15 in the detection cylinder 1. A detection chamber 12 is provided inside the upper half of the detection cylinder 1. A floating member 13 is provided inside the detection chamber 12. The floating member 13 will rise as the water level inside the detection chamber 12 rises. A rangefinder 10 is installed above the corresponding upper part of the floating member 13. The height of the water level can be obtained by measuring the height of the floating member 13 by the rangefinder 10. The top of the rangefinder 10 is fixedly connected to the bottom of the middle end of the top cover 2. The top cover 2 is installed on the top of the detection cylinder 1. The height of the water inlet at the bottom of the detection chamber 12 is higher than the position of the first water inlet pipe 11 and the second water inlet pipe 15 at the intersection of the detection cylinder 1. When in use At this time, external water enters the detection cylinder 1 through the first water inlet pipe 11 and the second water inlet pipe 15, and then enters the detection chamber 12 to drive the floating member 13 to float upward. The rangefinder 10 measures the height of the floating member 13 to obtain the height of the water level. The waterproof motor 18 of the device can drive the impeller 14 to work forward and reversely. The reversal of the impeller 14 can make the water entering the first water inlet pipe 11 be discharged from the second water inlet pipe 15, thereby cleaning the silt and sand and gravel that clog the second filter screen 16. The forward rotation of the impeller 14 can make the water entering the second water inlet pipe 15 be discharged from the first water inlet pipe 11, thereby cleaning the silt and sand and gravel that clog the first filter screen 19, and preventing the water inlet pipe from being blocked.

[0021] The top of the top cover 2 is fixedly connected to the bottom of the support rod 3, and the top of the support rod 3 is welded to the bottom of the middle end of the protective cover 31. The support rod 3 can support the protective cover 31, and the protective cover 31 can provide shade and rain protection for the device. A bottom plate 4 is provided at the bottom of the detection tube 1, and fixing pins 41 are provided in sequence on the outer circle of the bottom plate 4 at the same interval, and the bottom plate 4 is fixed to the ground by the fixing pins 41.

[0022] A rotating block 51 is provided on the left side of the bottom end of the detection tube 1. The internal rotating rod of the rotating block 51 is fixedly connected to the top of the rotating plate 52. The rotating plate 52 can rotate along the internal rotating rod of the rotating block 51. The right side of the bottom end of the rotating plate 52 is welded to the top of the inverted rod 53. The inverted rod 53 can be inserted into the ground. One end of the tension spring 54 is connected to the right side of the bottom end of the rotating plate 52, and the other end is connected to the left side of the bottom end of the detection tube 1. When in use, the rotating plate 52 is adjusted to a suitable angle, and then the inverted rod 53 is inserted into the ground. The tension spring 54 has a pulling force on the rotating plate 52 to prevent the rotating plate 52 from loosening, thereby increasing the grip of the device and further improving the stability of the device after installation.

[0023] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A water level monitoring device for water conservancy and hydropower engineering survey, characterized in that: The invention comprises a detection cylinder (1), wherein the left side of the middle end of the detection cylinder (1) is conductively connected to the right end of a first water inlet pipe (11), the left end of the first water inlet pipe (11) is provided with a first filter screen (19), the right side of the middle end of the first water inlet pipe (11) is conductively connected to the left end of a second water inlet pipe (15), the right end of the second water inlet pipe (15) is provided with a second filter screen (16), and a blocking block (17) is provided below the intersection of the first water inlet pipe (11) and the second water inlet pipe (15), the blocking block (17) is fixed inside the lower half of the detection cylinder (1), and the blocking block (17) A waterproof motor (18) is installed at the bottom, the output end of the waterproof motor (18) is fixedly connected to the bottom of the impeller (14) rotating rod, the impeller (14) is installed at the intersection of the first water inlet pipe (11) and the second water inlet pipe (15) in the detection cylinder (1), the upper half of the detection cylinder (1) is provided with a detection cavity (12), the detection cavity (12) is provided with a floating member (13), a rangefinder (10) is installed above the floating member (13), the top of the rangefinder (10) is fixedly connected to the bottom of the middle end of the top cover (2), and the top cover (2) is installed on the top of the detection cylinder (1).

2. A water level monitoring device for water conservancy and hydropower engineering survey according to claim 1, characterized in that: The top of the top cover (2) is fixedly connected to the bottom of the support rod (3), and the top of the support rod (3) is welded to the bottom of the middle end of the protective cover (31).

3. The water level monitoring device for water conservancy and hydropower engineering survey according to claim 1 is characterized by: A bottom plate (4) is provided at the bottom of the detection cylinder (1), and fixing pins (41) are sequentially provided on the outer ring of the bottom plate (4) at the same intervals.

4. The water level monitoring device for water conservancy and hydropower engineering survey according to claim 1 is characterized by: A rotating block (51) is provided on the left side of the bottom end of the detection cylinder (1); a rotating rod inside the rotating block (51) is fixedly connected to the top of a rotating plate (52); the right side of the bottom end of the rotating plate (52) is welded to the top of an inverted hanging rod (53); one end of a tension spring (54) is connected to the right side of the bottom end of the rotating plate (52), and the other end is connected to the left side of the bottom end of the detection cylinder (1).

5. The water level monitoring device for water conservancy and hydropower engineering survey according to claim 1 is characterized by: The height of the water inlet at the bottom of the detection chamber (12) is higher than the position of the intersection of the first water inlet pipe (11) and the second water inlet pipe (15) in the detection cylinder (1).

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