CN219391061U - Novel liquid level measuring device - Google Patents
Novel liquid level measuring device Download PDFInfo
- Publication number
- CN219391061U CN219391061U CN202320238725.9U CN202320238725U CN219391061U CN 219391061 U CN219391061 U CN 219391061U CN 202320238725 U CN202320238725 U CN 202320238725U CN 219391061 U CN219391061 U CN 219391061U
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- CN
- China
- Prior art keywords
- liquid level
- connecting rod
- rotary bearing
- float
- mounting flange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to a novel liquid level measuring device. At present, the existing radar and ultrasonic liquid level meters are limited to the installation environment and the shape of a container, measurement misalignment is caused by the existence of a measurement blind area, and most of buoyancy liquid level meters are provided with a display device with the same height as the container, so that the buoyancy liquid level meters cannot be used in the environment with a narrow space. The utility model provides a novel liquid level measurement device which constitutes and includes: the device comprises a fixed float connecting rod (1), a float (2), a liquid level meter mounting flange (3), a rotary bearing threaded connecting rod (4) and a rotary electric conversion device, wherein a rotary bearing (5) is arranged at the center of the liquid level meter mounting flange, the rotary bearing is rotationally connected with the rotary bearing threaded connecting rod, and the rotary bearing threaded connecting rod is connected with the float through a threaded structure; two sides of the floater are symmetrically connected with inserting plates (6), and fixed floater connecting rods are inserted into the inserting plates, and the top ends of the fixed floater connecting rods are connected with a liquid level meter mounting flange. The utility model is applied to the field of radar and ultrasonic liquid level meters.
Description
Technical Field
The utility model relates to a novel liquid level measuring device.
Background
In modern industrial automation continuous production, it is necessary to detect the liquid level in various containers for monitoring and control, for example, a pit container equipped with a stirrer and a discharge pump needs to detect the pit liquid level to provide a basis for automatically starting and stopping the stirrer and the discharge pump to meet the requirements of industrial production. Therefore, it is necessary to design a novel liquid level measuring device with good reliability, high precision and low requirement on the installation environment.
At present, the existing radar and ultrasonic liquid level meters are limited by the installation environment and the shape of a container, and measurement blind areas exist to cause measurement misalignment; when the day-night temperature difference is large, condensed water vapor on the measuring probe causes the misalignment of the sonic liquid level measurement; uneven variation of the liquid level parameters (temperature, density) causes misalignment of the hydrostatic level gauge measurements; meanwhile, most of the existing buoyancy type liquid level meters are provided with display devices with the same height as the container, and cannot be used in environments with narrow spaces.
Disclosure of Invention
The utility model aims to provide a novel liquid level measuring device.
The above object is achieved by the following technical scheme:
the utility model provides a novel liquid level measurement device which constitutes and includes: the device comprises a fixed float connecting rod, a float, a liquid level meter mounting flange, a rotary bearing threaded connecting rod and a rotary electric conversion device, wherein a rotary bearing is mounted at the center of the liquid level meter mounting flange, the rotary bearing is rotationally connected with the rotary bearing threaded connecting rod, and the rotary bearing threaded connecting rod is connected with the float through a threaded structure;
the two sides of the floater are symmetrically connected with inserting plates, fixed floater connecting rods are inserted into the inserting plates, and the top ends of the fixed floater connecting rods are connected with the mounting flange of the liquid level meter.
The novel liquid level measuring device is characterized in that the top of the rotary bearing threaded connecting rod is connected with a rotary electric conversion device, and the rotary electric conversion device drives the rotary bearing threaded connecting rod to rotate when rotating.
The novel liquid level measuring device is characterized in that the rotary electric conversion device consists of a multi-turn absolute value encoder and a connecting piece.
The utility model has the beneficial effects that:
1. the utility model converts the change of the liquid level height into a multi-turn absolute value encoder through matching the threaded connecting rod of the rotary bearing with the floater, converts the input rotation turn signals into electric signals, and achieves the purposes of on-site liquid level measurement and remote transmission.
2. The utility model solves the problems that the existing liquid level meter is affected by the installation environment, and measurement blind areas, probe pollution and measurement misalignment caused by measurement medium parameter change do not exist. The external auxiliary measuring device has the advantages of accurate and reliable measurement and small volume, and can be used in a narrow environment.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of the use structure of fig. 1.
In the figure: 1. the device comprises a fixed float connecting rod, 2, a float, 3, a liquid level meter mounting flange, 4, a swivel bearing threaded connecting rod, 5, a swivel bearing, 6, an inserting plate, 7, a connecting piece, 8 and a multi-circle absolute value encoder.
Detailed Description
Examples
The utility model provides a novel liquid level measurement device which constitutes and includes: the device comprises a fixed float connecting rod 1, a float 2, a liquid level meter mounting flange 3, a rotary bearing threaded connecting rod 4 and a rotary electric conversion device, wherein a rotary bearing 5 is arranged at the center of the liquid level meter mounting flange, the rotary bearing is rotationally connected with the rotary bearing threaded connecting rod, and the rotary bearing threaded connecting rod is connected with the float through a threaded structure; the two sides of the floater are symmetrically connected with the plugboards 6, and fixed floater connecting rods are inserted into the plugboards, and the top ends of the fixed floater connecting rods are connected with the mounting flange of the liquid level meter. A threaded hole penetrating through the structure is formed in the middle of the floater, and a rotary bearing threaded connecting rod is screwed into the threaded hole, so that the rotary bearing threaded connecting rod is matched with the floater through a threaded structure; the fixed float connecting rod adopts two rod-shaped structures, the top of the fixed float connecting rod is fixedly connected with the lower part of the liquid level meter mounting flange, the bottom of the fixed float connecting rod is provided with a baffle plate, and the float can be prevented from falling off the fixed float connecting rod through the baffle plate. The rod surface of the rotary bearing threaded connecting rod is fixedly connected with the inner bearing surface of the rotary bearing, so that the rotary bearing threaded connecting rod rotates in the rotary bearing, and when the rotary bearing threaded connecting rod rotates, the floater can be driven to vertically ascend or vertically descend through the threaded structure.
Examples
The novel liquid level measuring device is characterized in that the top of the rotary bearing threaded connecting rod is connected with a rotary electric conversion device, and the rotary electric conversion device drives the rotary bearing threaded connecting rod to rotate when rotating. The rotary electric conversion device consists of a multi-turn absolute value encoder 8 and a connecting piece 7. The bottom of the connecting piece is fixedly connected with the rotary bearing threaded connecting rod, so that when the multi-turn absolute value encoder rotates, the multi-turn absolute value encoder drives the rotary bearing threaded connecting rod to rotate through the connecting piece.
Examples
The novel liquid level measuring device is characterized in that the floater is coupled with the rotating bearing threaded connecting rod through the built-in threads. When the liquid level in the container rises or falls, the float floating on the liquid level rises or falls along with the liquid level, so that the rotary bearing and the threaded connecting rod of the rotary bearing are driven to rotate clockwise or anticlockwise. Wherein the fixed float link ensures that the float only moves up and down, but not in rotation, and prevents the float from falling off the swivel bearing threaded link. The connecting piece is connected with the multi-turn absolute value encoder input steel shaft and the rotating bearing threaded connecting rod, when the rotating bearing threaded connecting rod rotates, the connecting piece drives the multi-turn absolute value encoder input steel shaft to rotate, so that a liquid level change signal is converted into the number of rotation turns of the multi-turn absolute value encoder, the multi-turn absolute value encoder converts the input number of rotation turns into 4-20 mA signal output, the 4-20 mA input signal is linearly converted into a liquid level height signal through computer linear digital processing, the purpose of measuring the liquid level height is achieved, and the liquid level meter is fixed at the top of the container through the liquid level meter mounting flange.
Claims (3)
1. The utility model provides a novel liquid level measurement device which characterized in that, its constitution includes: the device comprises a fixed float connecting rod, a float, a liquid level meter mounting flange, a rotary bearing threaded connecting rod and a rotary electric conversion device, wherein a rotary bearing is mounted at the center of the liquid level meter mounting flange, the rotary bearing is rotationally connected with the rotary bearing threaded connecting rod, and the rotary bearing threaded connecting rod is connected with the float through a threaded structure;
the two sides of the floater are symmetrically connected with inserting plates, fixed floater connecting rods are inserted into the inserting plates, and the top ends of the fixed floater connecting rods are connected with the mounting flange of the liquid level meter.
2. The novel liquid level measuring device according to claim 1, wherein the top of the rotating bearing threaded connecting rod is connected with a rotating electrical conversion device, and the rotating electrical conversion device drives the rotating bearing threaded connecting rod to rotate when rotating.
3. The novel liquid level measuring device according to claim 1, wherein the rotary electric conversion device consists of a multi-turn absolute value encoder and a connecting piece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320127700 | 2023-02-06 | ||
| CN2023201277001 | 2023-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219391061U true CN219391061U (en) | 2023-07-21 |
Family
ID=87197231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320238725.9U Active CN219391061U (en) | 2023-02-06 | 2023-02-17 | Novel liquid level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219391061U (en) |
-
2023
- 2023-02-17 CN CN202320238725.9U patent/CN219391061U/en active Active
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