Liquid level meter for accurately measuring fluctuating liquid level

Abstract

The utility model relates to the technical field of instrument automation, in particular to a liquid level meter for accurately measuring a fluctuating liquid level, which comprises a liquid level meter, a tank to be measured is arranged on one side of the liquid level meter, the liquid level meter comprises a liquid level meter probe, a transmitter and a communicating vessel, the liquid level meter probe is mounted at the top of the communicating vessel, the transmitter is connected with the liquid level meter probe, and the communicating vessel is connected with the transmitter. The communicating vessel is used for calculating the liquid level height according to the measurement result of the liquid level meter probe, the communicating vessel is connected with the tank to be measured, the liquid level meter probe is a radar liquid level meter probe, the communicating vessel is made of glass fiber reinforced plastics, the communicating vessel comprises a cylinder, a measuring port, a communicating port, a pressure balancing port, a cleaning port and a sewage draining port, the upper inner diameter and the lower inner diameter of the cylinder are the same, and the lowermost part is conical; the tank liquid level measuring device is provided with the communicating vessel, the fluctuating liquid level can be converted into the static liquid level firstly, then measurement is carried out, the measurement accuracy is greatly improved, and a more accurate measurement result can be provided.

Description

TECHNICAL FIELD

[0001] The utility model relates to instrument automation technical field, especially a liquid level meter for accurate measurement fluctuant liquid level. BACKGROUND

[0002] The liquid level meter is a kind of instrument for measuring liquid level height, and is widely applied in many fields such as industrial production and daily life.

[0003] In chemical production, liquid level meter is usually used to measure the liquid level height in container, and most of traditional liquid level meters are installed on the top of tank to directly measure the liquid level in tank, but when used for liquid level with stirring device or tank liquid level with liquid feeding operation, the traditional liquid level meter cannot accurately measure the actual liquid level due to liquid fluctuation in measuring process, thereby causing large fluctuation of measurement result and affecting production. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a liquid level meter for accurate measurement fluctuant liquid level, which solves the technical problem that the traditional liquid level meter is usually installed on the top of tank to directly measure the liquid level in tank, but when used for liquid level with stirring device or tank liquid level with liquid feeding operation, the traditional liquid level meter cannot accurately measure the actual liquid level due to liquid fluctuation in measuring process, thereby causing large fluctuation of measurement result and affecting production.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] A liquid level meter for accurate measurement fluctuant liquid level, comprising a liquid level meter, a to-be-measured tank is arranged on one side of the liquid level meter, the liquid level meter comprises a liquid level meter probe, a transmitter and a communicating vessel, the liquid level meter probe is installed on the top of the communicating vessel, the transmitter is connected with the liquid level meter probe, and is used to calculate the liquid level height according to the measurement result of the liquid level meter probe, and the communicating vessel is connected with the to-be-measured tank.

[0007] Preferably, the liquid level meter probe adopts a radar liquid level meter probe.

[0008] Preferably, the communicating vessel comprises a cylinder, a measuring port, a communicating port, a pressure balance port, a cleaning port and a blowdown port.

[0009] Preferably, the inner diameters of the cylinder are same in up and down, the lowermost part is conical, the height of the cylinder is greater than the running liquid level height of the to-be-measured tank, and the diameter of the cylinder is 150-200 mm.

[0010] Preferably, the inner diameters of the cleaning port and the communicating port are same, and the heights are consistent, a ball valve is connected, the pressure balance port is arranged on the upper part of the cylinder, and the installation height is above the liquid level of the to-be-measured tank.

[0011] Preferably, the communicating port is at the lower part of the cylinder, the installation position is at the bottom of the tank to be measured, and the lowest liquid level that can be measured is determined by the installation height of the communicating port, and the blowdown port is at the bottom of the cylinder, and the connecting valve is a ball valve.

[0012] Preferably, the communicating device is made of glass fiber reinforced plastic.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] First, the utility model has a communicating device, which can convert a fluctuating liquid surface into a static liquid surface before measurement, greatly improving the measurement accuracy and providing more accurate measurement results.

[0015] Second, the utility model can also be used for liquid level measurement of some high towers. Since the tower body is high, the liquid level meter cannot be installed at the top of the tower, and therefore needs to be installed on the side, and the liquid level meter can be used. BRIEF DESCRIPTION OF DRAWINGS

[0016] 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 the contents of the specification can be implemented, and the following preferred embodiments of the utility model are described in detail with reference to the drawings.

[0017] Figure 1 It is a structure diagram of a liquid level meter for accurately measuring a fluctuating liquid surface.

[0018] Figure 2 It is an installation diagram of a liquid level meter for accurately measuring a fluctuating liquid surface.

[0019] Legend: 1, liquid level meter probe; 2, transmitter; 3, communicating device; 31, cylinder; 32, pressure balance port; 33, communicating port; 34, blowdown port; 35, measurement port; 36, cleaning port; 100, liquid level meter; 200, tank to be measured. DETAILED DESCRIPTION

[0020] The embodiments of the present application provide a liquid level meter for accurately measuring a fluctuating liquid surface, which effectively solves the problem that the conventional liquid level meter is usually installed at the top of a tank to directly measure the liquid surface in the tank, but when used for measuring the liquid surface of a tank with a stirring device or a tank that is often filled with liquid, the conventional liquid level meter cannot accurately measure the actual liquid level due to fluctuation of the liquid surface during measurement, thereby causing large fluctuation of the measurement results and affecting production. The utility model has a communicating device, which can convert a fluctuating liquid surface into a static liquid surface before measurement, greatly improving the measurement accuracy and providing more accurate measurement results. EMBODIMENT

[0021] AsFigure 1 and Figure 2 As shown in the technical scheme in the embodiments of the present application, the technical scheme effectively solves the technical problem in the prior art that the conventional liquid level meter is usually installed on the top of a tank to directly measure the liquid level in the tank, but when the liquid level meter is used to measure the liquid level in a tank with a stirring device or a tank with liquid continuously flowing in, the conventional liquid level meter cannot accurately measure the actual liquid level due to the fluctuation of the liquid level during the measurement, thereby causing large fluctuation of the measurement result and affecting production, and the general idea is as follows: a liquid level meter for accurately measuring a fluctuating liquid level, comprising a liquid level meter 100, a tank 200 to be measured arranged on one side of the liquid level meter 100, the liquid level meter 100 comprising a liquid level meter probe 1, a transmitter 2 and a communicating vessel 3, the liquid level meter probe 1 being installed on the top of the communicating vessel 3, the transmitter 2 being connected with the liquid level meter probe 1 and used to calculate the liquid level height according to the measurement result of the liquid level meter probe 1, the communicating vessel 3 being connected with the tank 200 to be measured, the liquid level meter probe 1 being a radar liquid level meter probe, the communicating vessel 3 being made of glass fiber reinforced plastic, the communicating vessel 3 comprising a cylinder 31, a measurement port 35, a communicating port 33, a pressure balance port 32, a cleaning port 36 and a blowdown port 34, the cylinder 31 having the same inner diameter from top to bottom, the lowermost part being conical, the height of the cylinder 31 being greater than the running liquid level height of the tank 200 to be measured, the diameter of the cylinder 31 being 150-200 mm, the cleaning port 36 and the communicating port 33 having the same inner diameter and consistent height, the connecting valve being a ball valve, the pressure balance port 32 being arranged on the upper part of the cylinder 31 and installed above the liquid level of the tank 200 to be measured, the communicating port 33 being arranged on the lower part of the cylinder 31 and installed at the bottom of the tank 200 to be measured, the lowest liquid level that can be measured being determined by the installation height of the communicating port 33, the blowdown port 34 being arranged at the bottom of the cylinder 31 and connected with a ball valve, in use, the device can be first installed on the tank 200 to be measured, liquid is injected into the tank 200 to be measured, the liquid enters the communicating vessel 3 through the communicating port 33, the liquid level meter probe 1 detects the liquid level and transmits a signal to the transmitter 2, the transmitter 2 calculates the signal into a numerical value and outputs the numerical value to a computer terminal or a display terminal, thereby displaying the liquid level height, and the liquid level in the communicating vessel 3 is not affected by the fluctuation of the liquid level in the tank 200 to be measured.

[0022] In view of the problems in the prior art, the liquid level meter for accurately measuring a fluctuating liquid level has a communicating vessel, can convert the fluctuating liquid level into a static liquid level before measurement, greatly improves the measurement accuracy and can provide more accurate measurement results.

[0023] Among them:

[0024] Working principle:

[0025] In use, the device can be installed on the tank 200 to be measured, liquid is injected into the tank 200 to be measured, the liquid enters the communicating vessel 3 through the communicating port 33, the liquid level meter probe 1 detects the liquid level and transmits a signal to the transmitter 2, the transmitter 2 calculates the signal into a numerical value and outputs to the computer end or display end, so as to display the liquid level, the liquid level in the communicating vessel 3 is not affected by the fluctuation of the liquid level in the tank 200 to be measured.

[0026] Finally, it should be noted that: obviously, the above examples are merely for clearly illustrating the utility model made, and not limited to the implementation. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the scope of the utility model.

Claims

1. A liquid level gauge for accurate measurement of fluctuating liquid level comprising a liquid level gauge (100) characterized by, The liquid level meter (100) is provided with a tank (200) to be measured on one side, and comprises a liquid level meter probe (1), a transmitter (2) and a communicating device (3), wherein the liquid level meter probe (1) is installed on the top of the communicating device (3), and the transmitter (2) is connected with the liquid level meter probe (1) and used for calculating the liquid level according to the measurement result of the liquid level meter probe (1). The communicating device (3) is connected with the tank (200) to be measured.

2. A liquid level gauge for accurate measurement of fluctuating liquid level as claimed in claim 1 wherein, The liquid level meter probe (1) is a radar liquid level meter probe.

3. A liquid level gauge for accurate measurement of fluctuating liquid level as claimed in claim 1 wherein, The communicating device (3) comprises a cylinder (31), a measuring port (35), a communicating port (33), a pressure balance port (32), a cleaning port (36) and a blowdown port (34).

4. A liquid level gauge for accurate measurement of fluctuating liquid level as claimed in claim 3 wherein, The inner diameters of the cylinder (31) are the same from top to bottom, and the lowermost part is conical. The height of the cylinder (31) is greater than the running liquid level height of the tank (200) to be measured, and the diameter of the cylinder (31) is 150-200 mm.

5. A liquid level gauge for accurate measurement of fluctuating liquid level as claimed in claim 4 wherein, The inner diameters of the cleaning port (36) and the communicating port (33) are the same, and the heights are consistent, and a ball valve is connected. The pressure balance port (32) is arranged on the upper part of the cylinder (31) and is installed above the liquid level of the tank (200) to be measured.

6. A liquid level gauge for accurate measurement of fluctuating liquid level as claimed in claim 5 wherein, The communicating port (33) is arranged on the lower part of the cylinder (31) and is installed at the bottom of the tank (200) to be measured, and the lowest liquid level that can be measured is determined by the installation height of the communicating port (33). The blowdown port (34) is arranged on the bottom of the cylinder (31) and is connected with a ball valve.

7. A liquid level gauge for accurate measurement of fluctuating liquid level as claimed in claim 3 wherein, The communicating device (3) is made of glass fiber reinforced plastic.

Images