DE1963985U - DISPLAY INSTRUMENT FOR THE PRESSURE OF GAS OR LIQUID MEDIA. - Google Patents
DISPLAY INSTRUMENT FOR THE PRESSURE OF GAS OR LIQUID MEDIA.Info
- Publication number
- DE1963985U DE1963985U DES53503U DES0053503U DE1963985U DE 1963985 U DE1963985 U DE 1963985U DE S53503 U DES53503 U DE S53503U DE S0053503 U DES0053503 U DE S0053503U DE 1963985 U DE1963985 U DE 1963985U
- Authority
- DE
- Germany
- Prior art keywords
- piston
- guide tube
- pressure
- instrument according
- indicator
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/10—Means for indicating or recording, e.g. for remote indication mechanical
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/16—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of pistons
- G01L7/166—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of pistons with mechanical transmitting or indicating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Description
Anzeigeinstrument für den !Druck gasförmiger oder flüssiger.Medien . : ""-,-"■■_" .. Λ; V-;.-'■". - ■-■ """-.' -Display instrument for the pressure of gaseous or liquid media. : "" -, - "■■ _" .. Λ; V -; .- '■ ". - ■ - ■"""-.' -
Bei bekannten Anzeigeinstriuiienten für den Druck von gasförmigen oder flüssigen Medien wird ein- Korben gegen eine Rückstellkraft; irnierhalTD eines Zylinders "bewegt ■and die Kolloenbewegung' über Hebelsysteme auf eine Anzeige einriclitung üb ertragen. Mit der vorliegenden Neuerung sollen derartige Instrum.ente -vereinfacht werden.In known display instruments for the pressure of gaseous or liquid media is a basket against a restoring force; irnierhalTD a cylinder "moves ■ and the column movement 'via lever systems on a display transfer setup. With the present innovation such instruments should be simplified.
PA 9/510/1946 - 2' .-PA 9/510/1946 - 2 '.-
Gemäß der bildet- der Kolben in einem mindestens teilweise durchsichtigen mit Skalenmarken versehenen Führungsrohr unmittelbar das Anzeigeorgan und weist eine- .solche Form .auf, daß er im leckstroia des Mediums zwischen KoTbenwand und Führungsrohr ohne mechanische- Berührung schwebt. Ils ."besonders zweckmäßige Kolbenformhat sich die Kugel erwiesen. Es ist ■jedoch auch-möglich,-" den Kolben sylinderf b'rmig zu gestalten und mit Wülsten oder Einkerbungen zu versehen, 'die eine Zentrierung im leckstrom..-des Mediums, bewirken.According to the forming the piston in at least one partially transparent guide tube provided with scale marks directly the display element and has such a shape that it can be found in the lickstroia of the medium between the piston wall and the guide tube without mechanical touch floats. Ils. "Particularly expedient The ball has proven to be piston-shaped. It is However, it is also possible to design the piston in the shape of a cylinder and to provide them with ridges or notches, 'which cause a centering in the leakage flow ..- of the medium.
■Das neue Anzeigeinstrument., ist besonders geeignet zur Drucken ζ ei ge oder Di-f f erenzdruckanzeige in pneumatischen Regeleinrichtungen» Infolge seiner kleinen Abmessungen kann es -zusätzlich zu bereits vorhandenen Instrumenten innerhalb von deren .Skalenfeld angeordnet werden. '■ The new display instrument., Is particularly suitable for Printing ζ own or differential pressure display in pneumatic Control devices »Due to its small size In addition to existing instruments, it can be arranged within their .scale field. '
Me g. soll an Hand von einigen Ausführungsbeispielen näher-;erl.äutert. v/erden.. In-den fig. -1 bis .4 sind Ahzeigelnstrumente mit kugel- oder" aylinderförmigen Kolben dargestellt und als Rückstellkraft' für den Kolben ist. hier eine Schraubenfeder· vorgesehen, lisch Pig. 5-■wirkt ,die Schwerkraft innerhalb eines gegenüber-der Waagerechten ".gekrümmten Führungsrohres als Kückstell-Me g. should on the basis of some exemplary embodiments more detailed; explained. v / earth .. In-the fig. -1 to 4 are needle instruments with spherical or "cylinder-shaped" Piston shown and as a restoring force 'for the piston. here a coil spring · provided, Lisch Pig. 5- ■ works , gravity within an opposite-the Horizontal ".curved guide tube as a Kückstell-
PA 9/510/1946 .];■ - 3 - ,PA 9/510/1946 .]; ■ - 3 -,
.kraft ο Pig. 6 schließlich zeigt eine Anordnung mit einem Permanentmagneten$ der.eine Raststellung für den Kolben magnetisch erzeugt. ■ . . . ..kraft ο Pig. 6 finally shows an arrangement with a permanent magnet $ der.a detent position for the piston generated magnetically. ■. . . .
Nach Fig. I-ist. ein am rechten Ende-offenes Führungsrohr mit. einem Druckanschluß 2, ζ".' B.:'für 'ein pneumatisches .Medium, dessen Druck gemessen v/erden soll, versehen. Das .Führungsrohr "besteht entweder vollstän- dig aus Glas oder einem durchsichtigen Kunststoff oder auch aus metallischem Werkstoff mit einem Längsächiit3, in den ein Fenster aus durchsichtigem S-fc-off eingesetzt ist« In dem Rohr gleitet eine Kugel 4 als Korben,, an der eine Schraubenfeder 6 befestigt is«t,' die an der Stelle am Ende des Führungsrohres verankert wird«' Nahe der Kugel 4 ist noch eine Scheibe .-5 mit geringerem Durchmesser als -Jjizeigema-rke angebracht. Diese Scheibe ist ζ« B. besonders auffällig' gefärbt, so,-daß'ihre Lage gegenüber der Skalenmarkierung 8 am Führungsrohr deutlieh sichtbar !ist. -Das:.-unter Druck stehende Medium . verschiebt, die Kugel 4 in dem Führungsrohr 1 gegen die Rückstellkraft der.feder, und.die Kugel nimmt eine vom Druck-des Mediums abhängige lage gegenüber der Skalenmarkierung ein. Das Druckmittel strömt dabei am Umfang der Kugel vorbei, "sq. daß diese im.Leckstrom des Mediums schwebt und stets in. der Rohrachse zen-·According to Fig. I - is. a guide tube that is open at the right end. a pressure connection 2, ζ ". ' B.: "for" a pneumatic "medium", the pressure of which is to be measured. The "guide tube" consists either entirely of glass or a transparent plastic or of a metallic material with a longitudinal surface, in which a window is made transparent S-fc-off is inserted "A ball 4 slides in the tube as a basket, to which a helical spring 6 is attached, which is anchored at the point at the end of the guide tube""Near the ball 4 there is another Disk.-5 with a smaller diameter than -Jjizeigema-rke attached. This disc is colored ζ "particularly striking example ', so -daß'ihre position relative to the scale mark 8 on the guide tube interpreting borrowed visible! Is. -The: .- medium under pressure. moves the ball 4 in the guide tube 1 against the restoring force of the spring, and the ball assumes a position relative to the scale marking that is dependent on the pressure of the medium. The pressure medium flows past the circumference of the ball, "so that it floats in the leakage flow of the medium and is always in the center of the pipe axis.
PI g/510/1-946 ../■ " ;;™-4Γ:'PI g / 510 / 1-946 ../■ ";; ™ -4 Γ : '
triert. wird.'. Auf diese Weise .-werden störende Kräfte ver-J; mieden,,die aus. der Reibung .zwischen Kugel und Rohrwandtriert. will.'. In this way, be-disturbing forces comparable J; avoided, the. the friction between the ball and the pipe wall
entstehen könnten s" so äaß die Einstellung bei Druck-. . ' änderungen stetig und.nicht ruckweise vor sich geht. s could arise "as äaß the setting for printing.. 'changes constantly und.nicht jerky is going on.
Nach Mg. 2 ist bei der gleichen Anordnung :der Kolben .zyiinderfofmig ausgebildet. Wie aus den Darstellungen ■ der Fig.;2a bis -2 c zu ersehen ist, sind auf dem Zylind'erumfang Wülste oder Einkerbungen angebracht, deren Form entweder entsprechend Pig» 2a oder Fig.2b so gewählt ist, daß " infolge der IJmströmung - zentrierende Kräfte entstehen. Pig. 2c zeigt einen Querschnitt der Ausführungsform nach .- Fig. 2b. ■■,■■-■■■■-'■ - '■; .' . '..According to Mg. 2 there is the same arrangement: the piston .zyiinder-shaped. As from the representations ■ the Fig.; 2a to -2c can be seen are on the cylinder circumference Bulges or notches attached, their shape either according to Pig »2a or Fig.2b is selected so, that "as a result of the flow - centering forces arise. Pig. 2c shows a cross section of the embodiment according to FIG .- Fig. 2b. ■■, ■■ - ■■■■ - '■ -' ■; . ' . '..
Während bei den Beispielen der !Fig. Ί und 2 der Kolben eine., einseitige Ruhelage am linken Ende der Skala besitzt, wird er nach Bild 4 von zwei Schraubenfedern 6 ■ und 6' in-einer Mittellage festgehalten. Diese Anordnung kann zur Jüizeige einer* Differenz- zwischen zwei Drücken verv/endetiwerden» : --'-',- While in the examples of Fig. Ί and 2 the piston has a one-sided rest position at the left end of the scale, it is held in a central position by two helical springs 6 and 6 'as shown in Figure 4. This arrangement can be used to display a * difference between two pressures » : --'- ', -
Bei'der Ausführung nach Pig, 5 ist das. Führungsrohr gegen die Waagerechte zu seiner Mitte hin gekrümmt, so . daß eine muldenförmige Ä.nör'dnung entsteht,. in der die Kugel -bei Druckgleichheit μηΐθΓ der .Wirkung der Schwer-In the embodiment according to Pig, 5 the guide tube is curved towards the horizontal towards its center, see above. that a trough-shaped .nör'dnung arises. in which the ball -with equal pressure μηΐθΓ the. effect of gravity-
PA■'9/510/1946.-■'■.. - 5 -PA ■ '9/510 / 1946.- ■' ■ .. - 5 -
kraft eine. Ruhelage in der Mitte des Führungsrohres einnimmt. Auch diese-Anordnung dient zur Differenzdruckanseige, insbesondere für kleine Druckunterschiede. Es kann aber auch ein lediglich nach einer Richtung gekrümmtes Rohr zur Anzeige von· Überdrücken verwendet werden. '_ ■ .by virtue of a. Rest position in the middle of the guide tube occupies. This arrangement is also used to display the differential pressure, especially for small pressure differences. But it can also be curved only in one direction Tube used to display · overpressures will. '_ ■.
Fach Fig. 6 liegt in der Mitte des Führungsrohres ein ü=fÖrmiger Permanentmagnet 11, dessen Pole sich in langsrichtung. des Rohres.erstrecken.. Die Pole können. so ausgebildet sein, daß der luftspalt in der Mitte an engsten ist. Da das Magnetfeld hier am stärksten wirkt, wird dann die Kugel an dieser Stelle festgehalten, Die Rückstellkraft ändert sich hier bei "Aus lenkung en der Kugel nicht linear,; so'daß sich diese Anordnung "besonders au Yergleichsmessungen eignet.Compartment Fig. 6 is in the middle of the guide tube ü = shaped permanent magnet 11, the poles of which are in slow direction. of the pipe .. the poles can. so be designed so that the air gap is narrowest in the middle. Because the magnetic field is strongest here acts, then the ball is held at this point, The restoring force changes here with "deflection s the sphere not linear; so that this arrangement "Particularly suitable for comparison measurements.
Bei den Anordnungen nach Fig. 1 bis 5 kann der Kolben •bzw. die Kugel aus .beliebigem Material, auch aus Kunststoff, bestehen. Zweckmäßig ist die Oberfläche besonders glatt.ausgeführt. -Die Anordnung nach Pig. erfordert selbstverständlich eine Kugel aus magnetisch .beeinflussbarem Material^ es kann jedoch 'auch hier ein Zylinderkoltien- verwendet v/erden. ..'-".In the arrangements according to FIGS. 1 to 5, the piston can •or. the ball made of any material, including Plastic. The surface is expediently particularly smooth. -The arrangement according to Pig. obviously requires a ball made of magnetic . influenceable material ^ it can however 'also be here a Cylinder voltages- used v / ground. ..'- ".
.PA 9/5-10/1946 . -6- . Λ.PA 9 / 5-10 / 1946. -6-. Λ
Das, neue .Anaeigeins. trument hat tel kleinen Abmessungen und sehr einfacher Herstellung eine relativ große An-zeigegenauigkeit. Es ist "besoniers für die Massenfabrikation geeignet. '·"".- - - .-That, new. trument has tel small dimensions and very simple manufacture a relatively high display accuracy. It is "especially suitable for mass production. '·"".- - - .-
6 -nsprüche
1 Bl. Zeichnungen6 claims
1 sheet of drawings
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES53503U DE1963985U (en) | 1965-07-23 | 1965-07-23 | DISPLAY INSTRUMENT FOR THE PRESSURE OF GAS OR LIQUID MEDIA. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES53503U DE1963985U (en) | 1965-07-23 | 1965-07-23 | DISPLAY INSTRUMENT FOR THE PRESSURE OF GAS OR LIQUID MEDIA. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1963985U true DE1963985U (en) | 1967-07-13 |
Family
ID=33380819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES53503U Expired DE1963985U (en) | 1965-07-23 | 1965-07-23 | DISPLAY INSTRUMENT FOR THE PRESSURE OF GAS OR LIQUID MEDIA. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1963985U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2724028A1 (en) * | 1977-05-27 | 1978-11-30 | Geb Oetinger Elfriede Schmitt | Differential pressure transducer and indicator - has curved tube with ball bearing as actuator and indicator element rolling inside tube |
DE3143919A1 (en) * | 1981-11-05 | 1983-05-11 | Pfister Gmbh, 8900 Augsburg | Method and device for measuring a pressure, particularly of a fluid |
DE3520073A1 (en) * | 1985-06-04 | 1986-12-04 | Samson Ag, 6000 Frankfurt | Differential pressure display unit for pneumatic control systems, in particular for switching over from manual operation to automatic operation |
DE3153376C2 (en) * | 1981-11-05 | 1989-11-09 | Pfister Gmbh, 8900 Augsburg, De | Device for gravimetric determination of the quantity of a fluid, especially of mineral oil products in a large tank |
DE4138932A1 (en) * | 1991-11-27 | 1993-06-03 | Teves Gmbh Alfred | SEMIAACTIVE CHASSIS CONTROL SYSTEM |
-
1965
- 1965-07-23 DE DES53503U patent/DE1963985U/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2724028A1 (en) * | 1977-05-27 | 1978-11-30 | Geb Oetinger Elfriede Schmitt | Differential pressure transducer and indicator - has curved tube with ball bearing as actuator and indicator element rolling inside tube |
DE3143919A1 (en) * | 1981-11-05 | 1983-05-11 | Pfister Gmbh, 8900 Augsburg | Method and device for measuring a pressure, particularly of a fluid |
DE3153376C2 (en) * | 1981-11-05 | 1989-11-09 | Pfister Gmbh, 8900 Augsburg, De | Device for gravimetric determination of the quantity of a fluid, especially of mineral oil products in a large tank |
DE3520073A1 (en) * | 1985-06-04 | 1986-12-04 | Samson Ag, 6000 Frankfurt | Differential pressure display unit for pneumatic control systems, in particular for switching over from manual operation to automatic operation |
DE4138932A1 (en) * | 1991-11-27 | 1993-06-03 | Teves Gmbh Alfred | SEMIAACTIVE CHASSIS CONTROL SYSTEM |
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