DE10054207B4 - Level gauge with a plastic housing - Google Patents
Level gauge with a plastic housing Download PDFInfo
- Publication number
- DE10054207B4 DE10054207B4 DE2000154207 DE10054207A DE10054207B4 DE 10054207 B4 DE10054207 B4 DE 10054207B4 DE 2000154207 DE2000154207 DE 2000154207 DE 10054207 A DE10054207 A DE 10054207A DE 10054207 B4 DE10054207 B4 DE 10054207B4
- Authority
- DE
- Germany
- Prior art keywords
- housing
- level gauge
- countersink
- transducer
- screwed
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Füllstandsmessgerät mit einem Gehäuse (1) aus Kunststoff, das eine Senkung (2) aufweist, und mit einem im Gehäuse (1) sitzenden Körper (3), an dem ein Messwertaufnehmer (7) befestigt ist, dadurch gekennzeichnet, dass der Körper (3) in das Gehäuse (1) eingeschraubt ist, wofür das Gehäuse (1) oberhalb der Senkung (2) ein Innengewinde (5) und der Körper (3), vom Messwertaufnehmer (7) abgewandt, ein Außengewinde (6) aufweist, und dass die Senkung (2) eine umlaufende Hinterschneidung (4) aufweist mit einem sich zum Rand der Senkung (2) verjüngenden Querschnitt, wobei der Rand bei vollständig in das Gehäuse (1) eingeschraubtem Körper (3) mittels Presssitz dicht am Umfang des Körpers (3) anliegt.Level gauge with a casing (1) made of plastic, which has a countersink (2), and with a in the case (1) sitting body (3) to which a transducer (7) is attached, characterized that the body (3) in the housing (1) is screwed in, for what the housing (1) above the counterbore (2) an internal thread (5) and the body (3), facing away from the transducer (7), an external thread (6), and the countersink (2) has a circumferential undercut (4) with a to the edge of the countersink (2) tapered cross-section, wherein the edge at full in the case (1) screwed body (3) by means of press fit tightly against the circumference of the body (3).
Description
Die Erfindung betrifft ein Füllstandsmessgerät mit einem Gehäuse aus Kunststoff gemäß den Merkmalen des Oberbegriffs des Anspruchs 1.The The invention relates to a level gauge with a casing made of plastic according to the characteristics of the preamble of claim 1.
Ein
solches Füllstandsmessgerät ist z.B.
aus
In der Füllstandsmesstechnik vorgesehene Füllstandsmessgeräte sind aus einem Gehäuse, in welchem sich empfindliche elektronische Bauteile befinden, und einem am Gehäuse befestigten Messfühler aufgebaut. Der Messfühler kann beispielsweise mit dem Gehäuse verschraubt sein.In level measurement intended level gauges are from a housing, in which sensitive electronic components are located, and one on the housing attached probe built up. The sensor For example, with the case be bolted.
Um die empfindlichen elektronischen Bauteile im Gehäuseinneren vor Beschädigung zu schützen, muss das Gehäuse insbesondere an der Stelle, wo der Messfühler befestigt ist, hermetisch nach außen abgedichtet sein.Around the sensitive electronic components inside the housing from damage too protect, must be the case especially at the point where the sensor is attached hermetically outward be sealed.
Es ist daher Aufgabe der Erfindung, ein Füllstandsmessgerät mit einem Kunststoffgehäuse anzugeben, in welches ein Messewertaufnehmer hermetisch dicht aufgenommen werden kann.It It is therefore an object of the invention to provide a level gauge with a Plastic housing in which a measuring transducer is hermetically sealed can be.
Die Erfindung löst diese Aufgabe mit den in Anspruch 1 angegebenen Merkmalen.The Invention solves this task with the features specified in claim 1.
Erfindungsgemäß ist am Anschluß des Körpers am Gehäuse eine Senkung mit einer Hinterschneidung vorgesehen. Der Querschnitt der Hinterschneidung am Ende der Senkung ist gleich groß gewählt wie der des einsteckbaren Körpers. Dagegen ist der Querschnitt am Anfang der Senkung etwas kleiner gewählt als der des ansteckbaren Körpers. Beim Einstecken des Körpers in die Senkung wird daher einerseits der Körper zusammmengedrückt und andererseits der obere Rand der Senkung nach außen erweitert. Bei vollständig in die Senkung eingestecktem Körper liegt der obere Rand der Senkung vollkommen dicht am Umfang des Körpers an. Das Gehäuse ist somit an der Anschlußstelle des Körpers hermetisch nach außen abgedichtet. Die Erfindung sieht ein Innengewinde hinter der Senkung im Gehäuse vor, in welches der einsteckbare Körper mittels eines Außengewindes einschraubbar ist.According to the invention is Connection of the body on the housing a reduction provided with an undercut. The cross section the undercut at the end of the countersink is the same size as the insertable body. In contrast, the cross section at the beginning of the reduction is slightly smaller chosen as that of the infectious body. At the Plugging in the body in the lowering, therefore, on the one hand the body is compressed and on the other hand, the upper edge of the countersink expands outwards. When completely in the lowering of the inserted body the upper edge of the depression is completely close to the circumference of the body at. The housing is thus at the junction of the body hermetically outward sealed. The invention provides an internal thread behind the counterbore in the case into which the insertable body by means of an external thread can be screwed.
Der Querschnitt der Senkung und des einsteckbaren Körpers ist z.B. kreisförmig oder ellipsenförmig gewählt.Of the Cross-section of the countersink and the insertable body is e.g. circular or elliptically selected.
Der einsteckbare Körper kann beispielsweise als Bolzen oder Rohr ausgeführt sein, an dessen Ende ein Messwertaufnehmer, z.B. Schwingstäbe befestigt sind.Of the insertable body may for example be designed as a bolt or tube, at the end of a Transducers, e.g. Swinging rods are attached.
Anhand des in der Figur gezeigten Ausführungsbeispieles wird die Erfindung nun näher beschrieben und erläutert.Based of the embodiment shown in the figure The invention will now be closer described and explained.
In der Figur ist ein Querschnitt eines Ausführungsbeispieles eines erfindungsgemäßen Gehäuses gezeigt; lagerichtig unter dem Gehäuse ist in Seitenansicht ein einsteckbarer Körper dargestellt.In the figure is shown a cross section of an embodiment of a housing according to the invention; in the correct position under the housing is shown in side view a plug-in body.
In
der Figur ist im Querschnitt das Gehäuse
Zur
Befestigung des Körpers
- 11
- Gehäusecasing
- 22
- Senkungreduction
- 33
- Einsteckbarer Körper, Bolzeninsertable Body, bolt
- 44
- Hinterschneidungundercut
- 55
- Innengewindeinner thread
- 66
- Außengewindeexternal thread
- 77
- Messwertaufnehmer, Meßfühler, Schwingstäbetransducers, Sensor, oscillating rods
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2000154207 DE10054207B4 (en) | 2000-11-02 | 2000-11-02 | Level gauge with a plastic housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2000154207 DE10054207B4 (en) | 2000-11-02 | 2000-11-02 | Level gauge with a plastic housing |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10054207A1 DE10054207A1 (en) | 2002-05-16 |
DE10054207B4 true DE10054207B4 (en) | 2007-03-22 |
Family
ID=7661829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2000154207 Expired - Fee Related DE10054207B4 (en) | 2000-11-02 | 2000-11-02 | Level gauge with a plastic housing |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10054207B4 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016122410B4 (en) * | 2016-11-21 | 2019-03-21 | Vega Grieshaber Kg | Vibration sensor and method of operation and installation |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1191973B (en) * | 1962-12-05 | 1965-04-29 | Licentia Gmbh | Device for releasably holding an instrument arranged in a housing on a board |
US3843832A (en) * | 1973-04-04 | 1974-10-22 | Robertshaw Controls Co | Capacitance probe |
DE2920164A1 (en) * | 1978-05-19 | 1979-11-22 | Savage Jun | DEVICE FOR FITTING A LIGHT EMITTING DEVICE ON A DISPLAY BOARD OR THE LIKE. |
DE3623741C2 (en) * | 1986-07-14 | 1988-12-22 | Rheometron Ag, Basel, Ch | |
DE4311963C2 (en) * | 1993-04-10 | 1996-10-24 | Endress Hauser Gmbh Co | Level measuring device |
DE19836597A1 (en) * | 1998-08-13 | 2000-02-24 | Mannesmann Vdo Ag | Container with level indicator |
-
2000
- 2000-11-02 DE DE2000154207 patent/DE10054207B4/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1191973B (en) * | 1962-12-05 | 1965-04-29 | Licentia Gmbh | Device for releasably holding an instrument arranged in a housing on a board |
US3843832A (en) * | 1973-04-04 | 1974-10-22 | Robertshaw Controls Co | Capacitance probe |
DE2920164A1 (en) * | 1978-05-19 | 1979-11-22 | Savage Jun | DEVICE FOR FITTING A LIGHT EMITTING DEVICE ON A DISPLAY BOARD OR THE LIKE. |
DE3623741C2 (en) * | 1986-07-14 | 1988-12-22 | Rheometron Ag, Basel, Ch | |
DE4311963C2 (en) * | 1993-04-10 | 1996-10-24 | Endress Hauser Gmbh Co | Level measuring device |
DE19836597A1 (en) * | 1998-08-13 | 2000-02-24 | Mannesmann Vdo Ag | Container with level indicator |
Also Published As
Publication number | Publication date |
---|---|
DE10054207A1 (en) | 2002-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: G01F 23/00 |
|
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |