Tank car liquid level height detection device

By using a potentiometer and sensor system in the tank truck liquid level detection device, combined with a connecting float and guide assembly, the problem of float-type liquid level gauges being susceptible to fluctuations and impurities has been solved, achieving high-precision and reliable liquid level detection and reducing maintenance requirements.

CN223756123UActive Publication Date: 2026-01-02JIANGSU WURSTAN ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202520353239.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-02
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing float-type level gauges are susceptible to fluctuations and impurities during liquid transportation, resulting in unstable detection results. Mechanical parts are also prone to wear and tear, requiring frequent maintenance and calibration.

Method used

The system employs a potentiometer and sensor system within a vacuum chamber. A floating assembly consisting of a connecting rope and a float, combined with a guiding component, ensures that the float moves vertically and the sensor moves precisely within the potentiometer. This signal is converted into an electrical signal, which is then processed by the display controller to represent the liquid level.

Benefits of technology

It achieves high-precision and reliable detection of liquid level, avoiding detection errors caused by fluctuations and impurities, and reducing maintenance frequency and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of liquid level detection, and discloses a tank car liquid level height detection device which comprises a tank body, the top of the tank body is provided with a vacuum cavity, the top of the vacuum cavity is provided with a top cover, the top side of the top cover is provided with a potentiometer, the inside of the potentiometer is connected with a sensor, and the sensor is connected with the vacuum cavity. The outer end of the sensor located at the left end of the potentiometer is fixedly connected with a display controller. A plurality of floating balls which are uniformly arranged on the side wall of a connecting rope are utilized, the floating balls tightly follow the lifting of the liquid level in a tank car tank body by virtue of the buoyancy characteristic, the floating balls are connected with a sensor through the connecting rope, and a guide assembly ensures that the floating balls vertically and stably move, so that the detection precision is prevented from being interfered by shaking; and the position change is accurately converted into an electric signal, and after the electric signal is processed by the display controller, a high-precision liquid level height value is intuitively presented, so that an accurate and reliable solution is provided for the liquid level height detection of the tank car.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level detection technical field, specifically is a tank car liquid level height detection device. BACKGROUND

[0002] In the logistics transportation industry, tank cars are widely used for the transportation of various liquids, such as petroleum, chemical raw materials, food and beverages, etc. Accurate detection of the liquid level height of the tank car is crucial, as it not only affects the safety during transportation, but also has a direct impact on cargo measurement, cost accounting, and transportation efficiency.

[0003] Some mechanical detection devices, such as float type liquid level meters, can achieve automatic detection to some extent, but in actual application, many problems have been exposed. The float is easily affected by factors such as liquid fluctuations and impurities in the liquid, resulting in unstable detection results. At the same time, mechanical parts are prone to wear, jamming, and other issues during long-term use, requiring frequent maintenance and calibration, which increases the cost of use and maintenance workload. UTILITY MODEL CONTENT

[0004] The utility model aims to solve the problem of float type liquid level meters and other mechanical detection devices that can achieve automatic detection to some extent, but in actual application, the float is easily affected by liquid fluctuations and impurities, resulting in unstable detection results, and mechanical parts are prone to wear and jamming during long-term use, requiring frequent maintenance and calibration. The utility model provides a tank car liquid level height detection device.

[0005] The utility model realizes the above-mentioned purpose by adopting the following technical solutions:

[0006] A tank car liquid level height detection device, comprising a tank body, a vacuum cavity is provided at the top of the tank body, a top cover is provided at the top of the vacuum cavity, a potentiometer is provided at the top side of the top cover, a sensor is connected inside the potentiometer, a display controller is fixedly connected to the outer end of the sensor at the left end of the potentiometer, a floating assembly is fixedly connected to the outer end of the sensor at the right end of the potentiometer, which extends to the axis of the top cover, the floating assembly comprises a rope and a floating ball, the floating ball is provided with a plurality of floating balls arranged uniformly above and below at the side wall of the rope, a guide assembly is penetrated through the inside axis of the tank body, and the outside of the floating assembly is penetrated through the inside of the guide assembly.

[0007] Further, the back side of the display controller is attached to the outside top peak of the tank body, and the display controller is connected to the outer end of the sensor and attached to the outside top peak of the tank body, which is convenient for the operator to observe.

[0008] Further, the floating assembly further comprises an electric connecting rod and a sliding sleeve, the sensor is connected to the top end of the electric connecting rod, the sliding sleeve is slidably connected to the inner top end of the guiding assembly, the connecting rope and the floating ball pass through the inner side of the guiding assembly, the floating ball drives the sliding sleeve to slide upward along the inner side of the guiding assembly through the connecting rope, and the electric connecting rod also moves upward along with the sliding sleeve.

[0009] Further, the outer bottom end of the electric connecting rod passes through and is slidably connected to the top inner part of the sliding sleeve, and the top end of the connecting rope is fixedly connected to the bottom end of the sliding sleeve; the upward movement of the electric connecting rod drives the sensor connected to the electric connecting rod to move in the potentiometer, and the potentiometer generates corresponding electric signals according to the position change of the sensor.

[0010] Further, the guiding assembly comprises a sliding block, an outer cylinder and a clamping groove, the inner end of the sliding block is clamped to the side wall of the floating assembly, the lower end of the floating assembly passes through the inner part of the outer cylinder, and the top end of the side wall of the outer cylinder passes through the axis of the vacuum cavity and the top cover; the sliding block of the guiding assembly slides upward along the clamping groove, plays a guiding and limiting role on the floating assembly, ensures vertical upward movement of the floating assembly, and accurately reflects the liquid level.

[0011] Further, the clamping groove is arranged at the inner top end of the outer cylinder, and the outer end of the sliding block is slidably connected to the clamping groove; the sliding block of the guiding assembly slides downward along the clamping groove, so that the floating assembly can vertically descend.

[0012] Further, the upper end of the side wall of the tank body is provided with a water inlet, the lower end of the side wall of the tank body is provided with a water outlet, and the bottom end of the tank body is fixedly connected with a base; the water inlet and the water outlet can be used for liquid injection and discharge.

[0013] Compared with the prior art, the tank vehicle liquid level detection device has the following beneficial effects:

[0014] The tank vehicle liquid level detection device utilizes the plurality of floating balls arranged on the side wall of the connecting rope, closely follows the lifting of the liquid level in the tank body of the tank vehicle according to the buoyancy characteristics, and connects the floating ball to the sensor through the connecting rope; the guiding assembly ensures the vertical and stable movement of the floating ball, avoids shaking and interference with the detection precision, and when the liquid level changes, the floating ball drives the connecting rope, and then drives the sensor to move in the potentiometer, so that the position change is accurately converted into an electric signal; after being processed by the display controller, the high-precision liquid level value is directly presented, and a precise and reliable solution is provided for tank vehicle liquid level detection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional perspective view of the whole structure outside the left side;

[0016] Figure 2This is a three-dimensional view of the right side of the overall outer structure of this utility model;

[0017] Figure 3 This is an internal sectional view of the overall structure of this utility model;

[0018] Figure 4 A three-dimensional cross-sectional view of the internal structure of this practical floating component;

[0019] Figure 5 This is a 3D model of the top structure of the guide component in this utility model.

[0020] Figure 6 For practical purposes Figure 4 The three-dimensional solid diagram A in the image.

[0021] In the diagram: 1. Tank body; 2. Vacuum chamber; 3. Top cover; 4. Potentiometer; 5. Sensor; 6. Display controller; 7. Floating assembly; 71. Electric linkage; 72. Sliding sleeve; 73. Connecting rope; 74. Float; 8. Guide assembly; 81. Slider; 82. Outer cylinder; 83. Slot; 9. Water inlet; 10. Drain outlet; 11. Base. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example:

[0024] like Figures 1-6 As shown, a tank truck liquid level detection device includes a tank body 1, a vacuum chamber 2 at the top of the tank body 1, a top cover 3 at the top of the vacuum chamber 2, a potentiometer 4 on the top side of the top cover 3, a sensor 5 connected inside the potentiometer 4, a display controller 6 fixedly connected to the outer end of the sensor 5 located at the left end of the potentiometer 4, the back side of the display controller 6 adhering to the outer peak of the tank body 1, a floating component 7 fixedly connected to the outer end of the sensor 5 located at the right end of the potentiometer 4 extending to the axis of the top cover 3, a guide component 8 penetrating through the inner axis of the tank body 1, the outer side of the floating component 7 penetrating through the inner side of the guide component 8, a water inlet 9 at the upper end of the side wall of the tank body 1, a drain outlet 10 at the lower end of the side wall of the tank body 1, and a base 11 fixedly connected to the bottom end of the tank body 1.

[0025] like Figures 4-6As shown, the floating assembly 7 further comprises an electric connecting rod 71 and a sliding sleeve 72, the sensor 5 is connected to the top end of the electric connecting rod 71, the sliding sleeve 72 is slidingly and clippably connected to the inner top end of the guiding assembly 8, the connecting rope 73 and the floating ball 74 are penetrating the inner side of the guiding assembly 8, the floating assembly 7 comprises the connecting rope 73 and the floating ball 74, the floating ball 74 is arranged at the side wall of the connecting rope 73 and uniformly arranged up and down, the outer bottom end of the electric connecting rod 71 penetrates and slidingly connects to the top inner part of the sliding sleeve 72, the top end of the connecting rope 73 is fixedly connected to the bottom end of the sliding sleeve 72, the floating ball 74 drives the sliding sleeve 72 to slide upward in the inner side of the guiding assembly 8 through the connecting rope 73, and the electric connecting rod 71 also moves upward with the sliding sleeve 72.

[0026] As shown in Figure 5 and Figure 6 , the guiding assembly 8 comprises a sliding block 81, an outer cylinder 82 and a clamping groove 83, the inner end of the sliding block 81 is clippably connected to the upper end of the side wall of the floating assembly 7, the lower end of the floating assembly 7 penetrates the inner part of the outer cylinder 82, the top end of the outer cylinder 82 penetrates the axis of the vacuum cavity 2 and the top cover 3, the clamping groove 83 is arranged at the inner upper end of the outer cylinder 82, the outer end of the sliding block 81 is slidingly connected at the clamping groove 83, the sliding block 81 of the guiding assembly 8 slides upward along the clamping groove 83, which plays a guiding and limiting role for the floating assembly 7 and ensures its vertical upward movement.

[0027] Working principle: as shown in Figures 1-6 , the tank body 1 is stably placed through the base 11, the water inlet 9 and the water outlet 10 can be used for liquid injection and discharge; the vacuum cavity 2 is located at the top of the tank body 1, and the top cover 3 closes the vacuum cavity 2 to provide a relatively stable working environment for the internal components;

[0028] The potentiometer 4 is installed at the top side of the top cover 3, the sensor 5 is connected inside the potentiometer 4, and the display controller 6 is connected to the outer end of the sensor 5 and adheres to the top peak of the tank body 1 outside, which is convenient for the operator to observe;

[0029] Working condition when the liquid level rises: when the liquid is injected into the tank body 1 from the water inlet 9, the liquid level gradually rises, and because the floating ball 74 has buoyancy, it will move upward with the rising of the liquid level;

[0030] The floating ball 74 drives the sliding sleeve 72 to slide upward in the inner side of the guiding assembly 8 through the connecting rope 73, and the electric connecting rod 71 also moves upward with the sliding sleeve 72;

[0031] The upward movement of the electric connecting rod 71 drives the sensor 5 connected thereto to move in the potentiometer 4, and the potentiometer 4 generates corresponding electrical signals according to the position change of the sensor 5;

[0032] The display controller 6 receives the electrical signals transmitted by the potentiometer 4, converts them into corresponding liquid level height values after processing, and displays them;

[0033] During the rising of the floating assembly 7, the slider 81 of the guiding assembly 8 slides upward along the clamping groove 83, which guides and limits the floating assembly 7, ensures its vertical rising, and accurately reflects the liquid level;

[0034] When the liquid level drops, the floating ball 74 is affected by its own gravity and the reduced liquid buoyancy, and moves downward with the liquid level;

[0035] The floating ball 74 drives the sliding sleeve 72 to slide downward on the inner side of the guiding assembly 8 through the connecting rope 73, and the electric connecting rod 71 also moves downward;

[0036] The electric connecting rod 71 drives the sensor 5 to move downward in the potentiometer 4, and the potentiometer 4 generates a new electric signal according to the new position of the sensor 5;

[0037] The display controller 6 receives and processes the electric signal from the potentiometer 4 again, and updates the displayed liquid level value;

[0038] Similarly, the slider 81 of the guiding assembly 8 slides downward along the clamping groove 83, which ensures the vertical dropping of the floating assembly 7 and makes the liquid level detection accurate and reliable.

Claims

1. A tank vehicle liquid level detection device comprising a tank body (1), characterised in that: The top of the tank body (1) is provided with a vacuum cavity (2), the top of the vacuum cavity (2) is provided with a top cover (3), the top side of the top cover (3) is provided with a potentiometer (4), the inside of the potentiometer (4) is connected with a sensor (5), the outer end of the sensor (5) located at the left end of the potentiometer (4) is fixedly connected with a display controller (6), and the outer end of the sensor (5) located at the right end of the potentiometer (4) is fixedly connected with a floating assembly (7) which is elevated to the axis of the top cover (3). The floating assembly (7) comprises a connecting rope (73) and a floating ball (74), the floating ball (74) is arranged on the side wall of the connecting rope (73) and is uniformly arranged up and down, the inside of the tank body (1) is penetrated by a guide assembly (8), and the outside of the floating assembly (7) penetrates the inside of the guide assembly (8).

2. The tank vehicle liquid level detection device according to claim 1, characterized by: The back side of the display controller (6) is attached to the outside top peak of the tank body (1).

3. The tank vehicle liquid level detection device of claim 1, wherein: The floating assembly (7) further comprises an electric connecting rod (71) and a sliding sleeve (72), the sensor (5) and the top end of the electric connecting rod (71) are connected, the sliding sleeve (72) is slidably connected to the inside top end of the guide assembly (8), and the connecting rope (73) and the floating ball (74) penetrate the inside of the guide assembly (8).

4. The tank vehicle liquid level detection device according to claim 3, characterized by: The outside bottom end of the electric connecting rod (71) penetrates and is slidably connected to the top inside of the sliding sleeve (72), and the top end of the connecting rope (73) is fixedly connected to the bottom end of the sliding sleeve (72).

5. The tank vehicle liquid level detection device of claim 1, wherein: The guide assembly (8) comprises a sliding block (81), an outer cylinder (82) and a clamping groove (83), the inner end of the sliding block (81) is clamped on the side wall upper end of the floating assembly (7), the lower end of the floating assembly (7) penetrates the inside of the outer cylinder (82), and the top end side wall of the outer cylinder (82) penetrates the axis of the vacuum cavity (2) and the top cover (3).

6. The tank vehicle liquid level detection device of claim 5, wherein: The clamping groove (83) is arranged on the inside upper end of the outer cylinder (82), and the outer end of the sliding block (81) is slidably connected to the clamping groove (83).

7. The tank vehicle liquid level detection device of claim 1, wherein: The side wall upper end of the tank body (1) is provided with a water inlet (9), the side wall lower end of the tank body (1) is provided with a drain outlet (10), and the bottom end of the tank body (1) is fixedly connected with a base (11).