Water level measuring device for water conservancy and hydropower engineering

Abstract

The utility model discloses a water level measuring device for water conservancy and hydropower engineering, which relates to the technical field of water level measurement, and comprises a shell, a pressure sensor body, a support arm and a hard locking sleeve, a positioning assembly is additionally arranged on the outer side of the shell, and the positioning assembly comprises a base lantern ring, a pneumatic telescopic rod, a displacement lantern ring and a rotating shaft seat. At least two protection assemblies are arranged on the outer side of each displacement lantern ring, each protection assembly comprises a splicing type fence frame and turbulent flow rods, the turbulent flow rods are installed in the splicing type fence frames in a staggered mode, and the side ends of the splicing type fence frames are supported together through guide swing rods and deflection connecting rods. The honeycomb plate has high strength and rigidity weight ratio, and the joint of the shell and the pressure sensor body is wrapped and protected by the spliced fence frame and the turbulent flow rod, so that additional pressure-resistant protection can be provided for the pressure type water level gauge, and the structural integrity and stability of equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water level measurement technical field, especially relate to a water conservancy and hydropower engineering water level measuring device. BACKGROUND

[0002] Through long -term water level measurement, obtain the change rule and characteristic value of water level, such as highest water level, lowest water level, average water level etc., provide important basis for the scale determination of water conservancy and hydropower engineering, the arrangement and elevation design of building, in practical application, the equipment usually needs following technology:

[0003] 1, sealing protection part, for preventing water from entering the inside of pressure type water level gauge;

[0004] 2, data processing unit, to the weak electric signal of sensor transmission carries out amplification, filtering etc.

[0005] 3, aeration part, make pressure sensor and atmosphere communicate;

[0006] 4, pressure sensor, can accurately convert the water pressure felt into electric signal;

[0007] Pressure type water level gauge is placed underwater, and water pressure is felt.According to the principle of liquid static pressure, the pressure of pressure sensor is proportional to water depth, and the water level height is calculated by measuring pressure value, to prevent water from eroding pressure sensor and internal circuit, pressure type water level gauge usually has sealing shell, waterproof joint and other sealing protection parts, ensure that the equipment works stably in underwater environment for a long time.

[0008] In the environment of large water flow velocity, the dynamic pressure generated by water flow to pressure type water level gauge can be superimposed on static pressure, so that the pressure measured by sensor is not pure water static pressure, thereby leading to the measured water level value is high or fluctuates greatly, influence measurement accuracy, the bubbles carried in water flow can be attached to the surface of pressure sensor, form air film, hinder the normal transmission of pressure, make the measurement result appear error. UTILITY MODEL CONTENTS

[0009] In view of the deficiency of prior art, the utility model provides a water conservancy and hydropower engineering water level measuring device, solves the technical problem that in the environment of large water flow velocity, the dynamic pressure generated by water flow to pressure type water level gauge can be superimposed on static pressure, so that the pressure measured by sensor is not pure water static pressure, thereby leading to the measured water level value is high or fluctuates greatly, influence measurement accuracy.

[0010] To realize above -mentioned purpose, the utility model is realized through following technical scheme:

[0011] The utility model provides a water conservancy and hydropower engineering water level measuring device, including casing, pressure sensor body, support arm and hard locking cover, the outside of casing adds the positioning assembly, the positioning assembly includes base ring, pneumatic telescopic link, displacement ring and rotary axle seat, the outside of displacement ring all is provided with at least two protection components, and every protection component all includes spliced type fender and spoiler, and every spoiler is staggered installation in the inside of spliced type fender.

[0012] Preferably: the side end of every spliced type fender is fixedly installed with a shunt pipe, and the top end of every pneumatic telescopic link is connected with the casing through a pipeline;

[0013] The side end of every spliced type fender is rotatably installed with a guide swing bar that is butted with the base ring, and the side end of every spliced type fender is rotatably installed with a deflection link that is butted with the rotary axle seat;

[0014] The inside of every spoiler is hollowly designed, and the top end of the spoiler is connected with the inside of the spliced type fender in a through manner.

[0015] Preferably: the top end of every pressure sensor body is fixedly installed with a clamping seat that is butted with the inside of the casing, and the top end of every clamping seat is fixedly installed with a plurality of compressed cables;

[0016] The top end of every clamping seat is fixedly installed with a limit inductor;

[0017] The top end of the pressure sensor body is fixedly installed with two gas delivery pipes, one of which is connected with the inside of the casing, and the other of which is connected with the top end of the shunt pipe;

[0018] The end of the support arm is connected with the top end of the hard locking cover.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] In the utility model, the side end of the spliced type fender is supported by the displacement ring, a plurality of spliced type fenders are installed on the outside of the casing and the pressure sensor body, and the spliced type fender and the spoiler are vertically distributed, the honeycomb plate can disperse the impact force of the water flow by cooperating with the spliced type fender and the spoiler, the water flow force acting on the pressure type water level meter is evenly distributed, the dynamic pressure disturbance of the water flow on the water level meter is reduced, and the real pressure of the water body can be sensed more accurately.

[0021] The utility model discloses a support the side end of splicing type surrounding fence frame through the guide swing bar and the deflection connecting rod, and the honeycomb board has higher strength and stiffness weight ratio, and the splicing type surrounding fence frame and the spoiler are wrapped and protected at the connecting place of the shell and the pressure sensor body, can provide additional pressure protection for the pressure type water level meter, especially in deep water environment, can help the shell bear greater water pressure, prevent the equipment from damaging due to excessive water pressure, improve the structural integrity and stability of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0022] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferably the embodiment of the utility model and cooperate with the drawing detailed description as follows.

[0023] Figure 1 It is the structure diagram of the shell of the utility model;

[0024] Figure 2 It is the structure diagram of the pressure sensor body of the utility model;

[0025] Figure 3 It is the structure diagram of the base ring of the utility model;

[0026] Figure 4 It is the structure diagram of the splicing type surrounding fence frame of the utility model.

[0027] In the drawing: 11, shell;12, pressure sensor body;13, support arm;14, hard locking cover;15, gas pipe;16, clamping seat;17, cable;18, base ring;19, pneumatic telescopic rod;21, displacement ring;22, rotating shaft seat;23, splicing type surrounding fence frame;24, spoiler;25, guide swing bar;26, deflection connecting rod;27, shunt pipe. DETAILED DESCRIPTION

[0028] The water level measuring device for water conservancy and hydropower engineering provided by the embodiment of the application effectively solves the problem that in the environment with large water flow velocity, the dynamic pressure generated by the water flow on the pressure type water level meter is superimposed on the static pressure, the pressure measured by the sensor is not pure water static pressure, the measured water level value is high or fluctuates greatly, the measurement accuracy is affected, the side end of the splicing type surrounding fence frame is supported by the displacement ring, the plurality of splicing type surrounding fence frames are installed on the outside of the shell and the pressure sensor body, the splicing type surrounding fence frame and the spoiler are vertically distributed, the splicing type surrounding fence frame cooperates with the spoiler, the honeycomb board can disperse the impact force of the water flow, the water flow force acting on the pressure type water level meter is evenly distributed, the dynamic pressure interference of the water flow on the water level meter is reduced, and the real pressure of the water body can be sensed more accurately.

[0029] EMBODIMENT

[0030] As Figure 1 , Figure 2 , Figure 3 And Figure 4 The technical scheme in the embodiment of the application effectively solves the technical problem that in an environment with a large water flow speed, the dynamic pressure generated by the water flow on the pressure type water level gauge is superimposed on the static pressure, so that the pressure measured by the sensor is not simply the static pressure of the water body, thereby causing the measured water level value to be high or fluctuate greatly, affecting the measurement accuracy, and the general idea is as follows:

[0031] In view of the problems in the prior art, the utility model provides a water conservancy and hydropower engineering water level measuring device, including casing 11, pressure sensor body 12, support arm 13 and hard locking cover 14, the outside of casing 11 is equipped with positioning assembly, positioning assembly includes base sleeve ring 18, pneumatic telescopic rod 19, displacement sleeve ring 21 and rotary shaft seat 22, the outside of displacement sleeve ring 21 is provided with at least two protection assemblies, each protection assembly includes spliced type fence frame 23 and spoiler 24, each spoiler 24 is mutually staggered in the inside of spliced type fence frame 23, and the side end of spliced type fence frame 23 is supported by displacement sleeve ring 21, a plurality of spliced type fence frames 23 are installed on the outside of casing 11 and pressure sensor body 12, and spliced type fence frame 23 and spoiler 24 are vertically distributed, which can disperse the impact force of water flow, so that the water flow force acting on the pressure type water level gauge is evenly distributed, the dynamic pressure disturbance generated by the water flow on the water level gauge is reduced, and the real pressure of the water body can be more accurately sensed;

[0032] The honeycomb plate has high strength and stiffness weight ratio, and the spliced type fence frame 23 and the spoiler 24 wrap and protect the connection between the casing 11 and the pressure sensor body 12, can provide additional pressure protection for the pressure type water level gauge, especially in deep water environment, can help the casing 11 bear greater water pressure, prevent the equipment from being damaged due to excessive water pressure, and improve the structural integrity and stability of the equipment;

[0033] The side end of each splicing type surrounding fence 23 is fixedly installed with a shunt pipe 27, the top end of each pneumatic telescopic rod 19 is connected with the shell 11 through a pipeline, the side end of each splicing type surrounding fence 23 is rotatably installed with a guide swing rod 25 which is connected with the base sleeve ring 18, the side end of each splicing type surrounding fence 23 is rotatably installed with a deflection connecting rod 26 which is connected with the rotating shaft seat 22, by controlling the telescopic rod 19 to extend or retract, the top end of the telescopic rod 19 drives the displacement sleeve ring 21 to slide upward, by the movement of the displacement sleeve ring 21, the displacement sleeve ring 21 generates a pushing force on the end of the deflection connecting rod 26, and the deflection connecting rod 26 is obliquely installed, so that the deflection connecting rod 26 is obliquely deflected, the splicing type surrounding fence 23 generates a pushing force, and the guide swing rod 25 is deflected at the same time, the guide swing rod 25 and the deflection connecting rod 26 support the side end of the splicing type surrounding fence 23 together;

[0034] The inside of each spoiler rod 24 is hollow, the top end of the spoiler rod 24 is connected with the inside of the splicing type surrounding fence 23, air is transported into the inside of the splicing type surrounding fence 23 through the shunt pipe 27, when the inside of the spoiler rod 24 is filled with air, the spoiler rod 24 drives the shell 11 to move upward under the action of buoyancy, so as to facilitate rapid recovery.

[0035] The top end of each pressure sensor body 12 is fixedly installed with a clamping seat 16 which is connected with the inside of the shell 11, the top end of each clamping seat 16 is fixedly installed with a plurality of compressed cables 17, and the top end of each clamping seat 16 is fixedly installed with a limit sensor, when the pressure sensor body 12 slides upward, the limit sensor is pressed against the inner wall of the shell 11, the limit sensor transmits an electric signal to a signal processing unit through a wire harness, and gives a warning;

[0036] The top end of the pressure sensor body 12 is fixedly installed with two air supply pipes 15, one air supply pipe 15 is connected with the inside of the shell 11, and the other air supply pipe 15 is connected with the top end of the shunt pipe 27.

[0037] Working principle:

[0038] Firstly, the shell 11 and the pressure sensor body 12 are placed in water, different water depths, different pressures are applied to the pressure sensor body 12, the pressure sensor body 12 is pushed to slide in the shell 11 at different distances, the water level height is calculated by measuring the pressure value, a signal cable is connected with the pressure sensor and a data processing unit, a pressure signal detected by the sensor is transmitted to the data processing unit for processing, the data processing unit amplifies, filters, converts and processes the pressure signal transmitted by the sensor, according to the conversion relationship between the pressure and the water level, the water level value is calculated.

[0039] Second step, through the displacement ring 21 to the side end of the splicing type enclosure 23 support, a plurality of splicing type enclosure 23 is installed in the shell 11 and the outside of pressure sensor body 12, splicing type enclosure 23 and spoiler 24 are vertical distribution, through the splicing type enclosure 23 cooperate spoiler 24, the honeycomb plate can disperse the impact force of water flow, the water flow force acting on the pressure type water level meter is evenly distributed, reduce the dynamic pressure disturbance of water flow on the water level meter, can more accurately sense the real pressure of water body;

[0040] By controlling the pneumatic telescopic rod 19 telescopic, the top end of pneumatic telescopic rod 19 drive displacement ring 21 to slide up, through the movement of displacement ring 21, displacement ring 21 to the end of the deflection link 26 generates a thrust, plus the deflection link 26 is inclined installation, the deflection link 26 is inclined deflection, splicing type enclosure 23 generates a thrust, while the guide swing lever 25 deflection, guide swing lever 25 and deflection link 26 together to the side end of the splicing type enclosure 23 support, the honeycomb plate has high strength and stiffness weight ratio, while the splicing type enclosure 23 and spoiler 24 are wrapped around the connection of the shell 11 and pressure sensor body 12 protection, can provide additional pressure protection for the pressure type water level meter, especially in deep water environment, can help the shell 11 withstand greater water pressure, prevent equipment damage due to excessive water pressure, improve the structural integrity and stability of the equipment.

[0041] Finally, it should be noted that: obviously, the above examples are only for the purpose of clearly illustrating the utility model made, and not limited to the implementation mode. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here does not need to and can not be all the implementation mode to be exhausted. The obvious changes or changes derived from still within the scope of the utility model.

Claims

1. A water conservancy and hydropower engineering water level measuring device, comprising a shell (11), a pressure sensor body (12), a support arm (13) and a hard locking sleeve (14), characterized in that, The outer side of the shell (11) is additionally provided with a positioning assembly, the positioning assembly comprises a base sleeve ring (18), a pneumatic telescopic rod (19), a displacement sleeve ring (21) and a rotating shaft seat (22), the outer side of the displacement sleeve ring (21) is provided with at least two protection assemblies, each protection assembly comprises a spliced enclosing frame (23) and a spoiler rod (24), and each spoiler rod (24) is arranged in the spliced enclosing frame (23) in a staggered manner.

2. The water level measuring device for water conservancy and hydropower engineering according to claim 1, characterized in that, The side end of each spliced enclosing frame (23) is fixedly provided with a shunt pipe (27), and the top end of each pneumatic telescopic rod (19) is connected with the shell (11) through a pipeline.

3. The water level measuring device for water conservancy and hydropower engineering according to claim 1, characterized in that, The side end of each spliced enclosing frame (23) is rotatably provided with a guide swing rod (25) which is connected with the base sleeve ring (18), and the side end of each spliced enclosing frame (23) is rotatably provided with a deflection connecting rod (26) which is connected with the rotating shaft seat (22).

4. The water level measuring device for water conservancy and hydropower engineering according to claim 1, characterized in that, The inside of each spoiler rod (24) is hollow, and the top end of the spoiler rod (24) is connected with the inside of the spliced enclosing frame (23).

5. The water level measuring device for water conservancy and hydropower engineering according to claim 1, characterized in that, The top end of each pressure sensor body (12) is fixedly provided with a clamping seat (16) which is connected with the inside of the shell (11), and the top end of each clamping seat (16) is fixedly provided with a plurality of compressed cables (17).

6. The water level measuring device for water conservancy and hydropower engineering according to claim 5, characterized in that, The top end of each clamping seat (16) is fixedly provided with a limiting sensor.

7. The water level measuring device for water conservancy and hydropower engineering according to claim 1, characterized in that, The top end of the pressure sensor body (12) is fixedly provided with two gas conveying pipes (15), one of which is connected with the inside of the shell (11), and the other is connected with the top end of the shunt pipe (27).

8. The water level measuring device for water conservancy and hydropower engineering according to claim 1, characterized in that, The end of the supporting arm (13) is connected with the top end of the hard locking sleeve (14).

Images