Anti-interference assembly of constant-temperature water tank liquid level meter

Abstract

The utility model discloses an anti-interference assembly of a constant-temperature water tank liquid level meter, and relates to the technical field of liquid level measurement. The device comprises a box body, a base, a main rod, an air extractor, an ultrasonic liquid level meter and an air pipe, the base is screwed to the bottom of the box body, the main rod is inserted in the center of the top of the box body in a penetrating mode, the bottom end of the main rod extends into the box body and is fixedly provided with a piston, and a sealing rubber ring is fixed to the edge of the bottom face of the piston; an air pipe is inserted in the top of the box beside the main rod in a penetrating manner, the bottom end of the air pipe is fixedly connected with the piston in a penetrating manner, and an observation ball is fixed in a penetrating manner above the air pipe extending out of the box; an ultrasonic liquid level meter and an air extractor are further fixed to the top end of the box body. By arranging the air extractor, the piston, the main rod, the air pipe, the sealing rubber ring and the box body, the problems that the energy consumption of vacuumizing interference removal is too large, the steam extraction condition cannot be known, and detection is inaccurate due to the fact that viscous liquid may be hung on the wall are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid level measurement technical field, especially, relate to a constant temperature water tank liquid level meter anti -interference subassembly. BACKGROUND

[0002] Liquid level measurement refers to the process of monitoring and measuring the level of liquid or solid substances in industrial and production fields. It is widely used in industries such as chemical industry, petroleum, food processing, and water treatment. It helps to achieve precise control and management of substances in liquid containers or tanks, and contributes to the automation control of production process, the improvement of production efficiency, and the enhancement of safety. Liquid level measurement includes floating ball measurement, tuning fork vibration measurement, ultrasonic measurement, TDR (Time Domain Reflectometry) / guided wave radar / microwave principle measurement, laser measurement, photoelectric refraction measurement, and capacitive measurement. However, there are still some drawbacks in actual measurement:

[0003] 1. The utility model patent with the authorized announcement number CN 221325598 U removes the influence of steam by floating type air extraction, making the detection of ultrasonic liquid level meter more accurate. However, this method is not suitable for all liquids. It needs to extract the entire container to a vacuum state to effectively remove all steam, which is very energy-consuming and inefficient. It is also difficult to know the extraction status of the steam.

[0004] 2. Secondly, for example, in constant temperature water tanks and other containers, not all of them store liquid water. They may store some mixed liquids or relatively viscous stirred liquids. When these liquids are kept warm in the constant temperature water tank, they may adhere to the wall, making it difficult to ensure consistent liquid level even after vacuum extraction, resulting in inaccurate detection. Utility model content

[0005] The utility model aims to provide a constant temperature water tank liquid level meter anti-interference assembly. By setting up an air extractor, a piston, a main rod, an air pipe, a sealing rubber ring, and a tank body, the problem of excessive energy consumption, inability to know the steam extraction status, and inaccurate detection of viscous liquids due to wall adhesion is solved.

[0006] To solve the above technical problems, the utility model is implemented through the following technical solutions:

[0007] The utility model discloses a constant temperature water tank liquid level meter anti -interference subassembly, including the box, base, main stem, air extractor, ultrasonic liquid level meter and trachea, the bottom of box is screwed with base, the top center of box is inserted with the main stem of through -type, the bottom end of main stem is inserted into the box inside and is fixed with the piston, the bottom surface edge of piston is fixed with the sealing rubber ring, the top of box one side is inserted with the trachea of through -type, the bottom end of trachea is fixedly connected with the piston of through -type, the position of trachea that stretches out above the box is fixed with the observation ball of through -type,

[0008] The top end of the box is also fixed with an ultrasonic liquid level meter and an air extractor, and the ultrasonic liquid level meter and the air extractor are arranged opposite to each other.

[0009] Further, the bottom end of the box is open, and a threaded groove is arranged at the inner edge of the bottom end of the box, a sealing washer is fixed at the top end of the threaded groove, a threaded ring is fixed at the upper end of the base, and the base is screwed into the threaded groove through the threaded ring, and the top end of the threaded ring contacts the bottom surface of the sealing washer.

[0010] Further, a discharge pipe is fixedly penetrated at the center of the bottom surface of the base, and a valve one is installed on the discharge pipe.

[0011] Further, a probe is fixed at the bottom of the ultrasonic liquid level meter, and the probe penetrates the top end of the box and extends into the inner cavity of the box.

[0012] Further, a limiting ring plate is fixed on the part of the main stem that extends out of the box, and a ball head is fixed at the top end of the main stem.

[0013] Further, a hose is fixedly penetrated at the air extraction end of the air extractor, a valve two is fixed at the top end of the trachea, and the end of the hose away from the air extractor is connected with the upper end of the valve two.

[0014] Further, an inclined feeding pipe is fixedly penetrated at the upper part of the periphery of the box.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a vacuum pump, piston, main rod, air pipe, sealing rubber ring, box body are set up, solved the problem that the energy consumption of the vacuum interference is too large, cannot know the steam extraction condition, after a certain liquid is consumed in the box, the liquid level will naturally drop, at this time, close valve no. 1, open valve no. 2, the vacuum pump works, the air below the piston is extracted, and is transported to the outside through the air pipe, and the negative pressure between the piston below and the liquid surface is formed, at this time, the piston and the main rod will gradually drop until the piston bottom contacts the liquid surface, at this time, the liquid is extracted into the air pipe, when the liquid enters the observation ball inside, it indicates that there is no air below the piston at this time, immediately stop the vacuum pump work, close valve no. 2, at this time, through the ultrasonic liquid level meter detection, accurate liquid level data can be obtained, in this process, only the air below the piston is extracted, and the energy consumption is less, and when the liquid enters the observation ball, the steam extraction condition can be known, and the control is more accurate, after the liquid is used next time, the above steps are operated again.

[0017] 2. The utility model discloses a vacuum pump, piston, main rod are set up, solved the problem that the viscous liquid may hang wall and lead to inaccurate detection, the vacuum pump works, the air below the piston is extracted, and is transported to the outside through the air pipe, and the negative pressure between the piston below and the liquid surface is formed, at this time, the piston and the main rod will gradually drop, in this process, the piston and the sealing rubber ring will scrape the viscous liquid adhered on the inner wall of the box, until the piston bottom contacts the liquid surface, and the hanging wall phenomenon will not exist, ensure that the subsequent liquid level detection is more accurate, and after vacuumizing, the piston drops, and the liquid level storage area becomes smaller, and the heat preservation effect is better. ACCOUT OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduces.

[0019] Figure 1 It is a perspective view of a constant temperature water tank liquid level meter anti-interference assembly;

[0020] Figure 2 It is Figure 1 The bottom view;

[0021] Figure 3 It is a sectional view of a constant temperature water tank liquid level meter anti-interference assembly;

[0022] Figure 4 It is the sectional view state diagram of the piston at high place;

[0023] Figure 5 It is the bottom view solid drawing of piston, main rod and air pipe.

[0024] Signs of drawing:

[0025] 1, box; 101, inlet pipe; 102, thread groove; 103, sealing washer; 2, base; 201, outlet pipe; 202, valve one; 203, threaded ring; 3, main rod; 301, limit ring plate; 302, piston; 303, sealing rubber ring; 4, air extractor; 401, hose; 5, ultrasonic liquid level meter; 501, probe; 6, air pipe; 601, valve two; 602, observation ball. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0027] Please refer to Figures 1-5 The utility model discloses a kind of constant-temperature water tank liquid level meter anti-interference components, including box 1, base 2, main rod 3, air extractor 4, ultrasonic liquid level meter 5 and air pipe 6, box 1 bottom is screwed with base 2, the top center of box 1 is inserted with main rod 3 in through type, the bottom end of main rod 3 is inserted into box 1 inside and is fixed with piston 302, the bottom surface edge of piston 302 is fixed with sealing rubber ring 303;The top of box 1 on the side of main rod 3 is inserted with air pipe 6 in through type, the bottom end of air pipe 6 is fixedly connected with piston 302 in through type, observation ball 602 is fixedly connected in the position of air pipe 6 that protrudes above box 1;

[0028] Box 1 bottom is closed by base 2, main rod 3 is movably inserted into box 1, and is connected with piston 302, the bottom of piston 302 is kept sealed with the inner wall of box 1 by sealing rubber ring 303, to avoid liquid into the upper layer of piston 302, cooperate with the connection of air pipe 6, air under piston 302 is extracted, cooperate with observation ball 602, whether air is completely extracted is observed;

[0029] The top of box 1 is also fixed with ultrasonic liquid level meter 5 and air extractor 4, and ultrasonic liquid level meter 5 is oppositely arranged with air extractor 4, and air pipe 6 is located between air extractor 4 and main rod 3.

[0030] Air extractor 4 is used as the main equipment for extracting air, and after extracting air, ultrasonic liquid level meter 5 is used for liquid level detection.

[0031] The bottom end of box 1 is open, and the inner edge of the bottom end of box 1 is provided with thread groove 102, the top end of thread groove 102 is fixed with sealing washer 103, the upper end of base 2 is fixed with threaded ring 203, and base 2 is screwed into thread groove 102 through threaded ring 203, and the top end of threaded ring 203 contacts the bottom surface of sealing washer 103.

[0032] When installing base 2, threaded ring 203 on base 2 is screwed into thread groove 102 in the bottom of box 1, and abuts against the bottom surface of sealing washer 103, to keep sealing, and the bottom of box 1 is closed.

[0033] A discharge pipe 201 is fixed through the center of the bottom surface of the base 2, and a valve 202 is installed on the discharge pipe 201; when the valve 202 and a valve 601 are synchronously opened, the liquid in the box 1 flows out from the discharge pipe 201 for use.

[0034] A probe 501 is fixed at the bottom of the ultrasonic liquid level meter 5, and the probe 501 extends into the inner cavity of the box 1 through the top end of the box 1; the ultrasonic liquid level meter 5 detects the liquid level in the box 1 by sending a detection signal through the probe 501.

[0035] A limiting ring plate 301 is fixed on the part of the main rod 3 extending out of the box 1, and a ball head is fixed at the top end of the main rod 3; when the limiting ring plate 301 contacts the upper end of the box 1, it means that the piston 302 has descended to the lowest point, and the liquid in the box 1 has almost been used up and needs to be supplemented.

[0036] A hose 401 is fixed through the air suction end of the air extractor 4, and a valve 601 is fixed at the top end of the air pipe 6; one end of the hose 401 away from the air extractor 4 is connected to the upper end of the valve 601.

[0037] The air extractor 4 connects the air pipe 6 through the hose 401 to extract the air below the piston 302, and the valve 601 controls whether the air pipe 6 is opened or closed.

[0038] An inclined inlet pipe 101 is fixed through the upper part of the side of the box 1; the box 1 is filled with material through the inlet pipe 101.

[0039] The specific working principle of the utility model is as follows: first, install the base 2, screw the threaded ring 203 on the base 2 into the threaded groove 102 at the bottom of the box 1, and abut against the bottom surface of the sealing washer 103 to maintain sealing and close the bottom of the box 1.

[0040] Then, close the valve 202, move the piston 302 to above the inlet pipe 101 through the main rod 3, at this time, add liquid material to the box 1 (i.e. the constant temperature water tank) through the inlet pipe 101, and pass through the air pipe 6; when liquid enters the air pipe 6, it means that the liquid in the box 1 is full at this time.

[0041] Subsequently, valve one 202 is opened, at this time, valve two 601 is also in the open state, the atmospheric pressure inside and outside the box 1 is consistent, at this time, the liquid material is guided out from the discharge pipe 201, when a certain liquid is used, without using, at this time, valve one 202 is closed, valve two 601 is opened, first, the main rod 3 is pressed down to the piston 302 below the inlet pipe 101, then the air extractor 4 works, the air extractor 4 connects the air pipe 6 by the hose 401, the air below the piston 302 is extracted, the negative pressure is formed between the piston 302 below and the liquid surface, at this time, the piston 302 and the main rod 3 will gradually descend, in the process, the piston 302 and the sealing rubber ring 303 will scrape the viscous liquid adhered to the inner wall of the box 1, until the piston 302 bottom contacts the liquid surface, there will be no wall hanging phenomenon, when the liquid enters the observation ball 602 through the air pipe 6, it indicates that the air inside the box 1 has been extracted, immediately stop the air extractor 4 work, close valve two 601, at this time, through the ultrasonic liquid level meter 5 detection, the accurate liquid level data can be obtained, and the vacuum state is formed to effectively preserve the heat.

[0042] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification to the technical solutions recorded in the foregoing embodiments, equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, all belong to the protection scope of the present application.

Claims

1. An anti-interference component for a constant temperature water tank level gauge, comprising a tank body (1), a base (2), a main rod (3), an air pump (4), an ultrasonic level gauge (5), and an air pipe (6), characterized in that: The bottom of the box (1) is screwed with a base (2), and a main rod (3) is inserted through the center of the top of the box (1). The bottom end of the main rod (3) extends into the box (1) and is fixed with a piston (302). A sealing ring (303) is fixed at the bottom edge of the piston (302). An air pipe (6) is inserted through the top of the box (1) next to the main rod (3). The bottom end of the air pipe (6) is fixedly connected through the piston (302). An observation ball (602) is fixed through the position where the air pipe (6) extends out of the top of the box (1). The top of the box (1) is also fixed with an ultrasonic level gauge (5) and an air pump (4), and the ultrasonic level gauge (5) and the air pump (4) are arranged opposite to each other. The air pipe (6) is located between the air pump (4) and the main rod (3).

2. The anti-interference component for a constant temperature water tank level gauge according to claim 1, characterized in that: The bottom of the box (1) is open, and a threaded groove (102) is provided at the inner edge of the bottom of the box (1). A sealing gasket (103) is fixed at the top of the threaded groove (102). A threaded ring (203) is fixed at the upper end of the base (2), and the base (2) is screwed into the threaded groove (102) through the threaded ring (203). The top of the threaded ring (203) contacts the bottom surface of the sealing gasket (103).

3. The anti-interference component for a constant temperature water tank level gauge according to claim 1, characterized in that: A discharge pipe (201) is fixed through the center of the bottom surface of the base (2), and a valve (202) is installed on the discharge pipe (201).

4. The anti-interference component for a constant temperature water tank level gauge according to claim 1, characterized in that: The ultrasonic level gauge (5) has a probe (501) fixed at its bottom, and the probe (501) extends through the top of the box (1) and into the inner cavity of the box (1).

5. The anti-interference component for a constant temperature water tank level gauge according to claim 1, characterized in that: A limiting ring plate (301) is fixed on the part of the main rod (3) that extends out of the box (1), and a ball head is fixed on the top of the main rod (3).

6. The anti-interference component for a constant temperature water tank level gauge according to claim 1, characterized in that: The suction end of the vacuum pump (4) is fixed with a hose (401), and the top end of the air pipe (6) is fixed with a valve (601). The end of the hose (401) away from the vacuum pump (4) is connected to the upper end of the valve (601).

7. The anti-interference component for a constant temperature water tank level gauge according to claim 1, characterized in that: An inclined feed pipe (101) is fixed through the upper periphery of the box (1).

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