DE1089566B - Device for triggering electrical impulses with certain positions of a transducer located in a pipe to the outside - Google Patents

Device for triggering electrical impulses with certain positions of a transducer located in a pipe to the outside

Info

Publication number
DE1089566B
DE1089566B DET8042A DET0008042A DE1089566B DE 1089566 B DE1089566 B DE 1089566B DE T8042 A DET8042 A DE T8042A DE T0008042 A DET0008042 A DE T0008042A DE 1089566 B DE1089566 B DE 1089566B
Authority
DE
Germany
Prior art keywords
pipe
outside
transducer
coil
magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DET8042A
Other languages
German (de)
Inventor
Heinrich Koerfgen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAMMELRATH TURBO WERK FRITZ
Original Assignee
HAMMELRATH TURBO WERK FRITZ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HAMMELRATH TURBO WERK FRITZ filed Critical HAMMELRATH TURBO WERK FRITZ
Priority to DET8042A priority Critical patent/DE1089566B/en
Publication of DE1089566B publication Critical patent/DE1089566B/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/22Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
    • G01F1/24Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters with magnetic or electric coupling to the indicating device

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Description

Einrichtung zur Auslösung elektrischer Impulse bei bestimmten Stellungen eines in einem Rohr befindlichen Meßwertgebers nach außen Die vorliegende Erfindung betrifft Geräte, um bei bestimmten Stellungen eines in einer Leitung befindlichen, einen Magneten tragenden Meßwertgebers, z. B. des Schwimmers eines Schwimmerströmungsmessers, starke Impulse, etwa zur Kontaktgebung oder Schaltung nach außen zu dbertragen, und besteht darin, daß zu diesem Zweck die räumlich große und plötzliche Schaltbewegung der magnetischen Anziehung in Verbindung mit einer mit einem Eisenkern versehenen Induktionsspule angewandt wird.Device for triggering electrical impulses in certain positions an in-pipe transmitter to the outside The present invention relates to devices that, in certain positions, a magnet carrying transducer, e.g. B. the float of a float flow meter, strong impulses to be transmitted to the outside, e.g. for making contacts or switching, and consists in the fact that for this purpose the spatially large and sudden switching movement magnetic attraction in conjunction with one with an iron core Induction coil is applied.

Es sind bereits Geräte bekannt, bei denen ein einen Magneten tragender Schwimmer bei seiner Bewegung auf eine-außen befindliche Induktionsspule wirkt und seine Lage durch die Stromänderungen in der Spule erkennen läßt. Bei dieser Anordnung ist der Hub des Gebers gleich der Spulenlänge, so daß bei geringen Höhenänderungen des Schwimmers nur eine ganz geringe Stromänderung verfügbar ist, die zur Auslösung starker Impulse nicht ausreicht. Devices are already known in which a magnet carrying a When the float moves, it acts on an induction coil located outside and its position can be recognized by the changes in current in the coil. With this arrangement the stroke of the encoder is equal to the coil length, so that with small changes in height of the float, only a very small change in current is available, which is necessary for triggering strong impulses are not sufficient.

Man hat auch Geräte hergestellt, bei denen Ohmsche Widerstände an dem Hub des einen Magneten tragenden Schwimmers entlang angeordnet sind, die eine Reihe von kleinen Eisenankern tragen, die, durch den Magneten auf seinem Wege angezogen, sich an die Widerstände legen und sie mehr oder weniger kurzschließen, so daß an der Stromstärke die Stellung des Magneten erkennbar ist. Auch diese Geräte sind nicht imstande, Kontakte oder Schaltungen auszulösen, da auch hier die Änderungen der Größe des Widerstandes je Hubeinheit so gering sind, daß eine ausreichende Wirkung nicht erzielt werden kann, um so mehr, da die Magnetlamellen nur Berührungskontakte ergeben, die zur Übertragung starker Impulse ungeeignet sind. Devices have also been manufactured using ohmic resistances are arranged along the stroke of the float carrying a magnet, the one Carry a series of small iron anchors, which, attracted by the magnet on its way, put on the resistors and more or less short-circuit them, so that on the current strength the position of the magnet is recognizable. These devices are too unable to trigger contacts or circuits as the changes here too the size of the resistance per lifting unit are so small that a sufficient effect cannot be achieved, all the more so since the magnetic lamellas are only touch contacts result, which are unsuitable for the transmission of strong impulses.

Die vorliegende Erfindung erzielt die gewünschte starke Wirkung dadurch, daß der einen Magneten tragende Meßwertgeber je nach seiner Stellung auf einen außerhalb des den Meßwertgeber enthaltenden Rohres befindlichen Stabmagneten wirkt, der durch ein unmagnetisches Zwischenstück mit einem von einer Induktionsspule umgeben den Eisenkern verbunden ist, wobei Spule und Kern die gleiche Länge wie der Stabmagnet haben, und daß je nach der Höheniage des Meßwertgebers der Eisenkern momentan vollständig aus der Spule herausgezogen oder in sie hineingeschoben wird. Dadurch ist die maximal mögliche Stromänderung zur Auslösung z. B. von Schalteinrichtungen verfügbar. The present invention achieves the desired powerful effect by that the transducer carrying a magnet depending on its position on an outside of the tube containing the transducer acts through the bar magnet a non-magnetic spacer with one surrounded by an induction coil Iron core is connected, with coil and core the same length as the bar magnet and that, depending on the height of the transducer, the iron core is momentarily complete is pulled out of or pushed into the bobbin. This is the maximum possible current change for tripping z. B. available from switching devices.

In der Zeichnung ist der Gegenstand der Erfindung an einem Beispiel dargestellt. In the drawing, the subject of the invention is based on an example shown.

Im Rohr 1 befindet sich ein Meßwertgeber, der einen Magneten 2 trägt, der oben und unten bis an die Rohrwand reichende Polschuhe 3 aufweist. Außerhalb des Rohres befindet sich an der für die Auslösung des Vorganges vorgesehenen Stelle ein waagerechter Stabmagnet4, der mit einem Eisenkern 5 durch ein unmagnetisches Zwischenstück verbunden ist. In the tube 1 there is a transducer that carries a magnet 2, which has pole pieces 3 reaching up to the pipe wall at the top and bottom. Outside of of the pipe is located on the one for triggering the place provided for the process a horizontal bar magnet4 with an iron core 5 through a non-magnetic Intermediate piece is connected.

Der Eisenkern ist von einer stromdurchflossenen Induktionsspule 6 umgeben. The iron core is from an induction coil 6 through which current flows surround.

Die Arbeitsweise des Gerätes ist folgende: Solange der Schwimmer sich in der gezeichneten Lage befindet, wird der Magnet 4 abgestoßen, und der Eisenkern verbleibt in der Spule. Steigt jedoch der Schwimmer, so daß der Polschuh mit dem Gegenpol in den Bereich des Magneten 4 kommt, so wird letzterer angezogen und zieht den Eisenkern ganz aus der Spule heraus. Hierdurch ändert sich der Strom in der Spule momentan um den größtmöglichen Wert, so daß ein starker Impuls verfügbar ist. Durch Anordnung einer größeren Anzahl Spulen kann der jeweilige Stand des Schwimmers in verschiedenen Höhenlagen angezeigt werden. The mode of operation of the device is as follows: As long as the float is in the position shown, the magnet 4 is repelled, and the iron core remains in the bobbin. However, if the float rises, so that the pole piece with the The opposite pole comes into the area of the magnet 4, the latter is attracted and pulls the iron core completely out of the coil. This changes the current in the Coil momentarily as much as possible so that a strong pulse is available. By arranging a larger number of coils, the respective level of the swimmer displayed at different altitudes.

Claims (3)

PATENrANsPRUcHE: 1. Einrichtung zur Auslösung elektrischer Impulse bei bestimmten Stellungen eines in einem Rohr befindlichen Meßwertgebers nach außen, gekennzeichnet dadurch, daß der einen Magneten (2) tragende Meßwertgeber je nach seiner Stellung auf einen außerhalb des Rohres befindlichen Stabmagneten (4) wirkt, der durch ein unmagnetisches Zwischenstück mit einem von einer Induktionsspule (6) umgebenen Eisenkern (5) verbunden ist, wobei Spule und Kern die gleiche Länge wie der Stabmagnet (4) haben, und daß je nach der Höhenlage des Meßwertgebers der Eisenkern (5) momentan vollständig aus der Spule (6) herausgezogen oder in sie hineingezogen wird. PATENT CLAIMS: 1. Device for triggering electrical impulses at certain positions of a transducer located in a pipe to the outside, characterized in that the transducer carrying a magnet (2) depends on its position acts on a bar magnet (4) located outside the pipe, by a non-magnetic adapter with one of an induction coil (6) surrounded iron core (5) is connected, with coil and core the same length as the bar magnet (4) and that, depending on the height of the transducer, the iron core (5) momentarily completely withdrawn from the spool (6) or in she is drawn into it. 2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß durch die Stromänderung in der Spule (6) elektrische Kontakte oder Schalter betätigt werden. 2. Device according to claim 1, characterized in that by the current change in the coil (6) electrical contacts or switches are operated. 3. Einrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß das Magnetfeld des Meßwert- gebers durch die Anbringung und Ausgestaltung von Polschuhen (3) so eng wie möglich begrenzt ist. 3. Device according to claim 1 and 2, characterized in that the magnetic field of the measured value encoder by attaching and designing pole pieces (3) is limited as narrowly as possible. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 221 590> 454 847, 746 937; USA.-Patentschrift Nr. 2 484 690. Considered publications: German Patent Specifications No. 221 590> 454 847, 746 937; U.S. Patent No. 2,484,690.
DET8042A 1953-06-29 1953-06-29 Device for triggering electrical impulses with certain positions of a transducer located in a pipe to the outside Pending DE1089566B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DET8042A DE1089566B (en) 1953-06-29 1953-06-29 Device for triggering electrical impulses with certain positions of a transducer located in a pipe to the outside

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET8042A DE1089566B (en) 1953-06-29 1953-06-29 Device for triggering electrical impulses with certain positions of a transducer located in a pipe to the outside

Publications (1)

Publication Number Publication Date
DE1089566B true DE1089566B (en) 1960-09-22

Family

ID=7545758

Family Applications (1)

Application Number Title Priority Date Filing Date
DET8042A Pending DE1089566B (en) 1953-06-29 1953-06-29 Device for triggering electrical impulses with certain positions of a transducer located in a pipe to the outside

Country Status (1)

Country Link
DE (1) DE1089566B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1267864B (en) * 1961-09-07 1968-05-09 Wallace & Tiernan Inc Device for transmitting a display of the position of the float of a flow measuring device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE221590C (en) *
DE454847C (en) * 1925-09-08 1928-01-19 Claude Clench Device for electrically displaying or registering fluctuations in a liquid level or pressure fluctuations in a line by changing the impedance of one or more induction coils in the circuit of the display device by means of metallic bodies, the movement of which corresponds to the change in the liquid level
DE746937C (en) * 1938-03-31 1944-08-30 Ig Farbenindustrie Ag Device for displaying fluid levels
US2484690A (en) * 1947-07-24 1949-10-11 Liquidometer Corp Electric liquid level indicating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE221590C (en) *
DE454847C (en) * 1925-09-08 1928-01-19 Claude Clench Device for electrically displaying or registering fluctuations in a liquid level or pressure fluctuations in a line by changing the impedance of one or more induction coils in the circuit of the display device by means of metallic bodies, the movement of which corresponds to the change in the liquid level
DE746937C (en) * 1938-03-31 1944-08-30 Ig Farbenindustrie Ag Device for displaying fluid levels
US2484690A (en) * 1947-07-24 1949-10-11 Liquidometer Corp Electric liquid level indicating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1267864B (en) * 1961-09-07 1968-05-09 Wallace & Tiernan Inc Device for transmitting a display of the position of the float of a flow measuring device

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