Ventilation type pressure water level gauge installation auxiliary device

By combining the installation auxiliary device of the high-precision pressure sensor and the pull-rope displacement sensor, the problems of reduced accuracy and increased cost caused by the reliance on experience in installation of the ventilated pressure water level gauge are solved, and the accuracy of water level measurement and the reduction of construction costs are achieved.

CN223346237UActive Publication Date: 2025-09-16NORTHWEST ENGINEERING CORPORATION LIMITED
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Patent Information

Application Number
CN202422829307.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-09-16
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The existing vented pressure water level gauge installation relies on experience, resulting in reduced water level measurement accuracy, increased sensor cable usage, and increased construction costs.

Method used

A ventilated pressure water level gauge installation auxiliary device is designed. It combines a high-precision pressure sensor and a pull-rope displacement sensor, realizes real-time data conversion and transmission through a wireless module, and is equipped with a vibration alarm to simplify the installation steps, ensure measurement accuracy, and reduce cable usage.

Benefits of technology

It improves the accuracy of water level measurement and the convenience of installation, reduces human errors, and reduces construction costs. It is suitable for rainfall and water situation monitoring in various water conservancy and hydropower projects.

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Abstract

The utility model belongs to the technical field of pressure water level gauge installation, and particularly relates to a ventilation type pressure water level gauge installation auxiliary device. A ventilation type pressure water level gauge installation auxiliary device comprises a handle, the tail of the handle is provided with a reel, the side face of the reel is provided with a rocker, the head of the handle is provided with a telescopic supporting rod, and the end of the telescopic supporting rod is provided with a high-precision pressure intensity sensor and a high-precision pull rope displacement sensor. The side, close to the handle, of the high-precision pull rope displacement sensor is connected with a stainless steel rope, the stainless steel rope is connected with the reel, the side, close to the handle, of the high-precision pressure sensor is provided with a wireless module, and the high-precision pressure sensor and the high-precision pull rope displacement sensor are electrically connected with the wireless module. According to the utility model, the high-precision pressure sensor and the pull rope displacement sensor are combined, the pressure intensity and the displacement can be accurately measured, and the installation accuracy of the ventilation type pressure water level gauge is improved, so that the water level measurement precision is improved, sensor cables are saved, and the construction cost is reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of pressure water level gauge installation, in particular to a ventilation type pressure water level gauge installation auxiliary device. Background Art

[0002] Ventilated pressure water level gauges are used to monitor rainfall and water conditions in water conservancy and hydropower projects. They measure liquid pressure. According to regulatory requirements, the installation location and mounting method of the sensor probe are crucial, directly impacting the accuracy of water level measurement. Typically, the probe of a vented pressure water level gauge should be installed 0.5 meters below the dead water level. However, in actual construction, due to a lack of supporting tools, installation often relies on experience. This can lead to reduced water level measurement accuracy and increased cable usage for the vented pressure water level gauge sensor, further increasing construction costs. Utility Model Content

[0003] In order to overcome the problem that the existing vented pressure water level gauge relies on experience for installation, resulting in a decrease in water level measurement accuracy, the purpose of the utility model is to provide a vented pressure water level gauge installation auxiliary device, which combines a high-precision pressure sensor and a pull-rope displacement sensor, can accurately measure pressure and displacement, improve the accuracy of the vented pressure water level gauge during installation, thereby improving water level measurement accuracy, saving sensor cables, and reducing construction costs.

[0004] The technical solution of the present utility model is: a ventilated pressure water level gauge installation auxiliary device, comprising a handle, a reel is provided at the tail of the handle, a rocker is provided on the side of the reel, a retractable support rod is provided at the head of the handle, a high-precision pressure sensor and a high-precision pull-rod displacement sensor are provided at the end of the retractable support rod, the high-precision pull-rod displacement sensor is connected to a stainless steel rope near the side of the handle, the stainless steel rope is connected to the reel, the high-precision pressure sensor is provided with a wireless module near the side of the handle, and the high-precision pressure sensor and the high-precision pull-rod displacement sensor are electrically connected to the wireless module respectively.

[0005] A support frame is provided on the upper portion of the handle, and a data control panel is provided on the upper portion of the support frame. The data control panel is wirelessly connected to the wireless module.

[0006] A roller is provided below the middle of the telescopic support rod, and the stainless steel rope is passed around the upper part of the roller and connected to the reel.

[0007] The pressure detection range of the high-precision pressure sensor is 0-0.35 MPa, and the detection accuracy is 0.1% FS. The displacement detection range of the high-precision rope displacement sensor is 0-50 m, and the detection accuracy is 0.05% FS.

[0008] A vibration alarm is provided in the data control panel.

[0009] The technical effects of the present invention are: 1. The present invention combines a high-precision pressure sensor with a pull-rope displacement sensor, and cooperates with a wireless module to realize real-time conversion and transmission of data, thereby making the entire measurement process automated and intelligent, reducing errors caused by human intervention, and ensuring the accuracy and reliability of the measurement results; 2. The present invention uses a data control panel with a built-in vibration alarm to feedback the installation length, which simplifies the installation steps, improves work efficiency, and makes the installation process more convenient and efficient; 3. The present invention reduces the use of unnecessary cables through accurate measurement and installation of high-precision pressure sensors and pull-rope displacement sensors, thereby reducing construction costs. The present invention is suitable for rainfall and water condition monitoring in a variety of water conservancy and hydropower projects, and can adapt to different installation environments and conditions.

[0010] The following is a further description with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a structural schematic diagram of a ventilation type pressure water level gauge installation auxiliary device.

[0012] Figure markings: 1-handle; 2-support frame; 3-reel; 4-data control panel; 5-joystick; 6-retractable support rod; 7-high-precision pressure sensor; 8-high-precision pull-rod displacement sensor; 9-wireless module; 10 stainless steel rope; 11-roller. DETAILED DESCRIPTION Example 1

[0013] like Figure 1 As shown, a ventilated pressure water level gauge installation auxiliary device includes a handle 1, a reel 3 is provided at the tail of the handle 1, a rocker 5 is provided on the side of the reel 3, a retractable support rod 6 is provided at the head of the handle 1, a high-precision pressure sensor 7 and a high-precision pull-rod displacement sensor 8 are provided at the end of the retractable support rod 6, the high-precision pull-rod displacement sensor 8 is connected to a stainless steel rope 10 near the side of the handle 1, and the stainless steel rope 10 is connected to the reel 3, the high-precision pressure sensor 7 is provided with a wireless module 9 near the side of the handle 1, and the high-precision pressure sensor 7 and the high-precision pull-rod displacement sensor 8 are electrically connected to the wireless module 9 respectively.

[0014] When the present invention is actually used, before installing the ventilated pressure water level gauge, the known current water level and dead water level are input into the data processing panel 4 to calculate the warning pressure, and the initialization data is transmitted to the wireless module 9. By turning the rocker 5 to adjust the length of the retractable support rod 6, the stainless steel rope 10 of the high-precision pull-rope displacement sensor 8 is driven to measure the installation displacement. The stainless steel rope 10 has high stability and can still maintain its initial size and shape after multiple cycles of stretching and retraction, ensuring that the measurement accuracy of the sensor is not affected. The high-precision pressure sensor 7 synchronously measures the head pressure, realizes real-time conversion between pressure and displacement through the wireless module 9, and sends data to the data control panel 4 in real time, and synchronously calculates and outputs the installation length of the ventilated pressure water level gauge. The present invention combines a high-precision pressure sensor with a pull-rope displacement sensor, and cooperates with the wireless module to realize real-time conversion and transmission of data, making the entire measurement process automated and intelligent, reducing errors caused by human intervention, and ensuring the accuracy and reliability of the measurement results. Example 2

[0015] On the basis of Example 1, in this embodiment, preferably, a support frame 2 is provided on the upper portion of the handle 1 , a data control panel 4 is provided on the upper portion of the support frame 2 , and the data control panel 4 is wirelessly connected to the wireless module 9 .

[0016] The handle 1 of the present invention is provided with a support frame 2 on the upper part, and the support frame 2 is provided with a data control panel 4 on the upper part. The data control panel 4 is wirelessly connected to the wireless module 9, and the wireless module 9 realizes real-time conversion of pressure and displacement and sends data to the data control panel 4 in real time. Example 3

[0017] On the basis of Example 1 or Example 2, in this embodiment, preferably, a roller 11 is provided below the middle of the retractable support rod 6 , and the stainless steel rope 10 passes around the upper part of the roller 11 and is connected to the reel 3 .

[0018] A roller 11 is provided at the lower middle portion of the retractable support rod 6 of the utility model, and the stainless steel rope 10 is passed around the upper portion of the roller 11 and connected to the reel 3. The length of the retractable support rod 6 is adjusted by rotating the rocker 5, driving the stainless steel rope 10 of the high-precision rope displacement sensor 8 to retract and retract synchronously with the help of the roller 11. The roller 11 guides the smooth retraction and retraction of the stainless steel rope 10, thereby measuring the installation displacement. Example 4

[0019] Based on Example 1 or Example 3, in this embodiment, preferably, the pressure detection range of the high-precision pressure sensor 7 is 0~0.35MPa, and the detection accuracy is 0.1%FS; the displacement detection range of the high-precision rope displacement sensor 8 is 0~50m, and the detection accuracy is 0.05%FS.

[0020] The high-precision pressure sensor 7 and the high-precision pull-wire displacement sensor 8 of the present invention have high sensitivity and high resolution, and can provide accurate pressure and displacement data within a wide measurement range. Example 5

[0021] On the basis of Example 1 or Example 4, in this embodiment, preferably, a vibration alarm is provided in the data control panel 4 .

[0022] The utility model realizes real-time conversion of pressure and displacement through the wireless module 9 and sends data to the data control panel 4 in real time. When the pressure reaches the warning value, the built-in vibration alarm of the data control panel 4 is triggered, and the installation length of the ventilation pressure water level gauge is synchronously calculated and output.

[0023] The specific working principle of the utility model is: the utility model designs a ventilation type pressure water level gauge installation auxiliary device, the specific structure is as shown in the attached manual Figure 1 As shown, in this technical solution, a support frame 2 is mounted above the handle 1, on which a data control panel 4 is mounted. A reel 3 is located at the rear end of the handle for retracting and extending the stainless steel rope. The retractable support rod 6 has a certain rigidity, ensuring stability and minimal deflection when extended and retracted, thereby ensuring accurate and reliable support. The retractable support rod 6 is equipped with a high-precision pressure sensor 7, a high-precision rope displacement sensor 8, and a wireless module 9. Before installing the vented pressure water level gauge, the known current water level and dead water level must be entered into the data processing panel 4 to calculate the warning pressure and transmit initialization data to the wireless module 9. By rotating the joystick 5 to adjust the length of the retractable support rod 6, the stainless steel rope 10 of the high-precision rope displacement sensor 8 is synchronously extended and retracted via a roller 11. The roller 11 guides the smooth extension and retraction of the stainless steel rope 10, thereby measuring the installation displacement. The stainless steel rope 10 is highly stable and maintains its original size and shape after multiple cycles of extension and retraction, ensuring that the sensor's measurement accuracy is not affected. High-precision pressure sensor 7 simultaneously measures water head pressure. Its high sensitivity and resolution provide accurate pressure data over a wide measurement range. Wireless module 9 converts pressure into displacement in real time and transmits this data to data control panel 4. When the pressure reaches the warning value, the built-in vibration alarm in data control panel 4 is triggered, and the installed length of the vented pressure water level gauge is simultaneously calculated and output.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.

Claims

1. A ventilation type pressure water level gauge installation auxiliary device, characterized by: The invention comprises a handle (1), wherein a reel (3) is provided at the tail of the handle (1), a rocker (5) is provided on the side of the reel (3), a retractable support rod (6) is provided at the head of the handle (1), a high-precision pressure sensor (7) and a high-precision rope displacement sensor (8) are provided at the end of the retractable support rod (6), a stainless steel rope (10) is connected to the high-precision rope displacement sensor (8) on the side close to the handle (1), and the stainless steel rope (10) is connected to the reel (3), a wireless module (9) is provided on the side close to the handle (1), and the high-precision pressure sensor (7) and the high-precision rope displacement sensor (8) are respectively electrically connected to the wireless module (9).

2. The ventilated pressure water level gauge installation auxiliary device according to claim 1, characterized in that: A support frame (2) is provided on the upper portion of the handle (1), a data control panel (4) is provided on the upper portion of the support frame (2), and the data control panel (4) is wirelessly connected to the wireless module (9).

3. The ventilated pressure water level gauge installation auxiliary device according to claim 1, characterized in that: A roller (11) is provided below the middle of the telescopic support rod (6), and the stainless steel rope (10) passes around the upper part of the roller (11) and is connected to the reel (3).

4. The ventilated pressure water level gauge installation auxiliary device according to claim 1, characterized in that: The pressure detection range of the high-precision pressure sensor (7) is 0-0.35 MPa, and the detection accuracy is 0.1% FS. The displacement detection range of the high-precision rope displacement sensor (8) is 0-50 m, and the detection accuracy is 0.05% FS.

5. The ventilated pressure water level gauge installation auxiliary device according to claim 2, characterized in that: A vibration alarm is provided in the data control panel (4).