Measuring device
A measuring device includes a measuring transducer, which includes a protection housing, two connection connectors, and a fluid line, which extends from a first end to a second end, wherein the first and second ends of the fluid line are each connected to one of the connection connectors, respectively, and wherein at least one of the connection connectors includes a metal compensator in a region located between a first connector end and a second connector end, which second end forms an end of the protection housing adjacent the first and/or second end of the fluid line.
1 . A measuring device for measuring at least one measurement variable of a fluid measured substance conducted in a pipe, which measuring device comprises:
a measuring transducer configured to generate at least one measurement signal that corresponds to the at least one measurement variable; and
a measuring device electronic unit, which is electrically connected to the measuring transducer and configured to process the at least one measurement signal,
wherein the measuring transducer comprises:
a transducer protection housing;
a first connection connector including a lumen encased by a wall made of metal and extending from a first flow opening located in a first connector end of the first connection connector to a second flow opening located in a second connector end of said first connection connector;
a second connection connector including a lumen encased by a wall and extending from a first flow opening located in a first connector end of the second connection connector to a second flow opening located in a second connector end of said second connection connector; and
a first fluid line comprising a lumen encased by a wall and extending from a first flow opening located in a first line end of the first fluid line to a second flow opening located in a second line end of said first fluid line,
wherein the first fluid line is connected both at its first line end to the second line end of the first connection connector and at the second line end thereof to the second line end of the second connection connector,
wherein said transducer protection housing comprises a cavity encased by a wall within which the first fluid line is placed,
wherein a first housing end of the protection housing is formed by means of the first connection connector and a second housing end of the transducer protection housing is formed by the second connection connector such that the protection housing has a side wall laterally bounding the cavity, at least in part, which is connected in a fixed manner both at the second line end of the first connection connector and also at the second line end of the second connection connector or is connected in a bonded manner therewith in each case, and
wherein at least the first connection connector includes, in a region located between its first connector end and its second connector end, which forms the first housing end a metal compensator.
2 . The measuring device according to claim 1 ,
wherein the first connection connector is configured to react to a tensile force acting in the direction of a longitudinal axis of the first connection connector in the region of the metal compensator with a longitudinal extension which is greater than a longitudinal extension with which the connection connector reacts to said tensile force in the region of the first connector end and/or in the region of the second connector end, and/or
wherein the first connection connector is configured to react to a transverse force in the region of the metal compensator acting transverse to the longitudinal axis that brings about a transverse force bending of the first connection connector with a curvature that is greater than a curvature with which the first connection connector reacts to said transverse force in the region of the first connector end and/or in the region of the second connector end.
3 . The measuring device according to claim 1 , wherein the metal compensator includes at least one recess.
4 . The measuring device according to claim 1 , wherein the metal compensator is formed by at least one recess extending along a circular and/or self-enclosed circumferential line.
5 . The measuring device according to claim 1 , wherein the metal compensator includes an integral component of the first connection connector.
6 . The measuring device according claim 1 , wherein the wall of the first connection connector for forming the metal compensator includes at least one recess.
7 . The measuring device according to claim 6 , wherein the wall of the first connection connector includes two or more recesses, which are arranged one behind the other in a flow direction of the measured substance.
8 . The measuring device according to claim 1 , wherein the metal compensator of the first connection connector is designed as a corrugated tube compensator.
9 . The measuring device according to claim 1 , wherein the metal compensator of the first connection connector is designed as a lens compensator.
10 . The measuring device according to claim 1 , wherein the metal compensator of the first connection connector is designed as an axial compensator.
11 . The measuring device according to claim 1 , wherein the second connection connector includes, in a region located between its first connector ends and its second connector ends forming the first housing end a second metal compensator.
12 . The measuring device according to claim 1 , wherein the second connection connector does not have a metal compensator.
13 . The measuring device according to claim 1 , wherein the measuring transducer is configured to be integrated in a piping system such that the second connector end of the first connection connector is connected to a pipe end of a first pipe segment of the piping system facing the measuring transducer and/or that the second connector end of the second connection connector is fluidically connected to a pipe end of a second pipe segment of the piping system facing the measuring transducer so as to form a fluid duct that extends from the first pipe segment to the second pipe segment.
14 . The measuring device according to claim 1 , wherein the first and second connection connectors are aligned with one another.
15 . The measuring device according to claim 1 , wherein the first fluid line is configured such that the measured substance flows therethrough and is enabled to vibrate during the process.
16 . The measuring device according to claim 1 , wherein the measuring device electronics are configured to feed an electrical driver signal into the measuring transducer.
17 . The measuring device according to claim 1 ,
wherein the first fluid line, at least in sections, is curved; and/or
wherein the first fluid line is straight, at least in sections.
18 . The measuring device according to claim 1 , further comprising:
at least one second fluid line including a lumen extending from a first flow opening encased by a wall, which is located in a first line end of the second fluid line, to a second flow opening located in a second line end of said second fluid line,
wherein the second fluid line is connected at its first line end to the second line end of the first connection connector and at its second line end to the second line end of the second connection connector.
19 . The measuring device according to claim 18 , wherein the second fluid line is configured such that the measured substance flows therethrough simultaneously with the first fluid line and is enabled to vibrate simultaneously with the first fluid line.
20 . The measuring device according to claim 1 , further comprising:
at least one vibration exciter configured to excite or maintain mechanical vibrations, at least of the first fluid line.
21 . The measuring device according to claim 20 ,
wherein the measuring device electronics are electrically coupled to the vibration exciter to feed electrical power into the vibration exciter via an electrical driver signal; and/or
wherein the vibration exciter is configured to convert electrical power fed by the measuring device electronics into mechanical power causing mechanical vibrations of at least the first fluid line.
22 . The measuring device according to claim 1 , further comprising:
at least one first sensor configured to generate at least one first measurement signal corresponding to a measurement variable of a fluid conducted in the fluid line system of at least one signal parameter dependent on said measurement variable, the signal parameter including a signal level dependent on said measurement variable, a signal frequency dependent on said measurement variable, and/or a phase angle dependent on said measurement variable.
23 . The measuring device according to claim 22 , wherein the measuring device electronics are electrically coupled to the first sensor and are configured to process the at least first measurement signal to determine said measured values for the at least one measurement variable using the first measurement signal.
24 . The measuring device according to claim 23 , further comprising:
at least one second sensor and/or a second sensor structurally identical to the first sensor, each configured for generating at least one second measurement signal corresponding to the measurement variable, wherein the measuring device electronics are electrically coupled to the second sensor and are configured to process the at least second measurement signal to determine said measured values for the at least one measurement variable using the first and second measurement signals.
25 . A method of using a measuring device according to claim 1 , the method comprising:
determining measured values for at least one measurement variable, including at least one of a mass flow rate, a mass flow, a volumetric flow rate, a volumetric flow rate, a density, a viscosity, and a temperature of a fluid measured substance conducted in a pipe wherein the first connection connector is arranged on the inlet side with respect to a flow direction of the measured substance, which flows through the measuring transducer, and/or wherein the measured substance is allowed to flow in a predetermined flow direction through the pipe and the measuring transducer incorporated in said pipe.