Measuring modules for determining fluid quantities
A technology for measuring modules and fluid quantities, used in fluid velocity measurement, liquid/fluid solid measurement, specific gravity measurement, etc.
Active Publication Date: 2022-06-07
DIEHL METERING
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- Description
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- Application Information
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Problems solved by technology
In this case, however, the parts of the measuring capsule are still in contact with the fluid to be measured during the measuring operation, so although the cost of instrument replacement can be reduced by using the measuring capsule, the fluid lines still need to be opened
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[0041] figure 1 A measuring device 1 is shown for determining a quantity of fluid which is related to the properties of the fluid located in or through the measuring tube 3 and / or its flow rate. This will be described below with reference to an example of flow velocity measurement by time-of-flight measurement of ultrasonic waves transmitted through the fluid. However, in the prior art, methods are also known for determining eg density, temperature, viscosity, speed of sound or composition of a fluid by transmitting ultrasonic waves through the fluid. However, since the focus here is on the mechanical structure of the measurement device, these methods, which are mainly concerned with the estimation of the measurement data, will not be described in detail.
[0042] In addition to the measuring tube 3 , the measuring device also includes a measuring module 2 , which is formed separately from the measuring tube 3 . This makes it possible, for example, to replace the measuring m...
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The application discloses a measuring module for determining a fluid quantity, which is related to the properties and / or its flow rate of a fluid located in or flowing through a measuring tube (3), which is connected to a measuring module (2) Formed separately, the measurement module includes a base body (4), a control device (5) and first and second oscillation transducers, the first and second oscillation transducers are fixed at a distance from each other on the base body or the base In the body, the first and / or the second oscillating transducer is controlled by the control device to excite the measuring tube when the contact surface or corresponding contact surface of the measuring module is coupled directly or via a coupling layer to the side wall or the corresponding side wall of the measuring tube Oscillations of the side wall or the corresponding side wall, the oscillations of the side wall excite the compression oscillations of the fluid, the compression oscillations can be conducted through the fluid to the corresponding other oscillation transducer and recorded there by the control device. The present application also discloses a measuring device for determining a fluid quantity and a method for determining a fluid quantity.
Description
technical field [0001] The invention relates to a measuring module for determining a fluid quantity. The invention also relates to a measuring device and a method for determining the amount of fluid. Background technique [0002] The recording of fluid quantities is particularly relevant in the field of water and calorimeters. In this case, it is known that in many applications it is necessary to replace or repair the corresponding instrument on a regular basis. For this purpose, the entire meter usually needs to be replaced. This is disadvantageous, since it requires opening the lines in which the flowmeters are arranged, so that on the one hand the fluid may be discharged to the surrounding environment, and on the other hand care needs to be taken not to contaminate the lines. [0003] In order to facilitate the exchange of instruments, it is known to use so-called measuring capsule instruments, in which only the measuring capsule is exchanged. In this case, however, t...
Claims
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IPC IPC(8): G01D5/48G01F1/667G01P5/24G01N9/24G01N11/00G01K11/22
CPCG01D5/48G01F1/662G01K11/22G01N9/24G01N11/00G01P5/24G01P5/245G01F1/667G01F23/2968G01N29/032G01N29/028G01N29/222
Inventor P·普洛斯M·梅勒
Owner DIEHL METERING