DE754566C - Electric pressure switch - Google Patents

Electric pressure switch

Info

Publication number
DE754566C
DE754566C DEW111095D DEW0111095D DE754566C DE 754566 C DE754566 C DE 754566C DE W111095 D DEW111095 D DE W111095D DE W0111095 D DEW0111095 D DE W0111095D DE 754566 C DE754566 C DE 754566C
Authority
DE
Germany
Prior art keywords
membrane
pressure
pressure switch
cover
electric pressure
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
Application number
DEW111095D
Other languages
German (de)
Inventor
Friedrich Stoecker
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.)
Westfaelische Metall Industrie KG Hueck and Co
Original Assignee
Westfaelische Metall Industrie KG Hueck and Co
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 Westfaelische Metall Industrie KG Hueck and Co filed Critical Westfaelische Metall Industrie KG Hueck and Co
Priority to DEW111095D priority Critical patent/DE754566C/en
Application granted granted Critical
Publication of DE754566C publication Critical patent/DE754566C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • H01H35/343—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm by snap acting diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Tumbler Switches (AREA)

Description

Es sind elektrische Schalter bekannt, bei denen die Kontakte in einem Gehäuse angeordnet sind und durch das Ausschwingen einer aus leitendem Material bestehenden Membran der Stromschluß hergestellt und unterbrochen wird, wobei ein Druckmittel, beispielsweise Öl, auf die Membran einwirkt. Derartige Schalter werden als Massenartikel in großen Mengen hergestellt, wobei es oft vorkommt, daß durch Ungenauigkeit in der Anpassung der Membran oder auch durch irgendwelcheEinwirkung,beispielsweise durch Temperaturbeeinflussung, die Membran an den Kontakten klebenbleibt, so daß beim Aufhören des Druckes eine Unterbrechung des Stromkreises nicht erfolgt. Es handelt sich hierbei um eine leicht zu behebende Störung, indem durch leichtes Durchdrücken der Membran der Fehler behoben werden kann.There are known electrical switches in which the contacts in one Housing are arranged and by the swinging out of a conductive material existing membrane the current circuit is established and interrupted, with a Pressure medium, for example oil, acts on the membrane. Such switches are mass produced in large quantities, it often happens that by Inaccuracy in the adjustment of the membrane or also due to some influence, for example By influencing the temperature, the membrane sticks to the contacts, so that when the pressure is stopped, the circuit is not interrupted. It This is an easily rectified malfunction by pushing it through lightly the membrane the fault can be eliminated.

Man hat bereits bei Druckschaltern der erwähnten Art die im Deckel eingesetzten Kontaktklemmen hohl ausgebildet. Um aber durch diese hindurch zu der Membran zu gelangen, müßten die Klemmschrauben erst entfernt werden. Zudem liegen die hohlen Klemmen nicht über dem Mittelteil der Membran, sondern seitlich über diesem.In the case of pressure switches of the type mentioned, they are already in the cover used contact terminals formed hollow. But to go through this to the To get to the membrane, the clamping screws would first have to be removed. Also lie the hollow clamps not over the middle part of the membrane, but laterally over this.

Die Erfindung bezieht sich auf einen Druckschalter und besteht darin, daß der Gehäusedeckel eine zentrale Öffnung besitzt, die dem Mittelpunkt der Membran gegenüberliegt und durch die hindurch die Membran beim Haftenbleiben nach Aufhören des Druckes in ihre Ruhestellung zurückgedrückt werden kann.The invention relates to a pressure switch and consists in that the housing cover has a central opening which is the center of the membrane opposite and through which the membrane when it sticks after stopping of the pressure can be pushed back into their rest position.

'In der Zeichnung ist die Erfindung beispielsweise in einer Ausführungsform veranschaulicht. Das Gehäuse a ist an die Druckleitung h angeschlossen. Im Gehäusedeckel c sind die Kontakte d eingelassen, die in das Gehäuseinnere hineinragen. Unterhalb der Kontakte d ist die Membranplatte e in bekannter Weise gelagert. In der Mitte des Deckels c sind eine oder mehrere Öffnungen f angebracht.'In the drawing, the invention is for example in one embodiment illustrated. The housing a is connected to the pressure line h. In the housing cover c, the contacts d are embedded, which protrude into the interior of the housing. Below the contacts d, the membrane plate e is mounted in a known manner. In the middle of the cover c one or more openings f are attached.

Von der beschriebenen Einrichtung wird beim Auftreten einer Störung wie folgt Gebrauch gemacht.The device described will be used in the event of a fault made use of the following.

Bleibt die Membran e an den Kontakten d haften, dann wird durch die Öffnung f hindurch mittels eines Dornes die Membran abgedrückt, wodurch der Schaden behoben ist.If the membrane e sticks to the contacts d, then the Opening f pressed through the membrane by means of a mandrel, causing the damage is fixed.

Claims (1)

PATENTANSPEUCIi: Elektrischer Druckschalter, bei dem der Strom durch eine stromleitende, mit zurückspringender Eigenfederung versehene Membran geschlossen wird, die durch das Druckmittel an im Deckelraum des Gehäuses angeordnete Kontakte herangeführt wird, dadurch gekennzeichnet, daß der Deckel (e) eine zentrale Öffnung (f) besitzt, die dem Mittelpunkt der Membran gegenüberliegt und durch die hindurch die Membran beim Haftenbleiben nach Aufhören des Druckes in ihre Ruhestellung zurückgedrückt werden kann. Zur Abgrenzung des Erfindungsgegenstands vom Stand der Technik sind im Erteilungsverfahren folgende Druckschriften in Betracht gezogen worden: ' USA.-Patentschrift Nr. 1 gib 88o; britische Patentschrift Nr. 347 21q.PATENTANSPEUCIi: Electrical pressure switch, in which the current is closed by a current-conducting membrane provided with self-springing self-springing, which is guided by the pressure medium to contacts arranged in the cover space of the housing, characterized in that the cover (e) has a central opening (f) which is opposite the center point of the membrane and through which the membrane can be pushed back into its rest position when the pressure stops after the pressure stops. To distinguish the subject matter of the invention from the prior art, the following documents have been considered in the grant procedure: 'USA.-Patent No. 1 give 88o; British Patent No. 347 21q.
DEW111095D 1942-06-02 1942-06-02 Electric pressure switch Expired DE754566C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW111095D DE754566C (en) 1942-06-02 1942-06-02 Electric pressure switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW111095D DE754566C (en) 1942-06-02 1942-06-02 Electric pressure switch

Publications (1)

Publication Number Publication Date
DE754566C true DE754566C (en) 1951-01-29

Family

ID=7617153

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW111095D Expired DE754566C (en) 1942-06-02 1942-06-02 Electric pressure switch

Country Status (1)

Country Link
DE (1) DE754566C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014628B (en) * 1954-12-10 1957-08-29 Gen Motors Corp Pressure sensitive electrical mini switch
DE1030189B (en) * 1953-02-21 1958-05-14 Bosch Gmbh Robert Pressurized switch
DE1167203B (en) * 1958-03-10 1964-04-02 Stop Soc Hand pump for windshield washer systems in motor vehicles
DE1920297A1 (en) * 1968-04-22 1969-10-30 Saviem Automatic safety device for opening and closing the doors of public transport
DE3923660A1 (en) * 1989-07-18 1991-01-24 Leybold Ag ON / OFF SWITCH

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB347214A (en) * 1930-01-20 1931-04-20 Frederick Arthur Smith Improvements in or relating to electric switches
US1918880A (en) * 1931-11-23 1933-07-18 Kelsey Hayes Wheel Corp Hydraulically operated electric switch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB347214A (en) * 1930-01-20 1931-04-20 Frederick Arthur Smith Improvements in or relating to electric switches
US1918880A (en) * 1931-11-23 1933-07-18 Kelsey Hayes Wheel Corp Hydraulically operated electric switch

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030189B (en) * 1953-02-21 1958-05-14 Bosch Gmbh Robert Pressurized switch
DE1014628B (en) * 1954-12-10 1957-08-29 Gen Motors Corp Pressure sensitive electrical mini switch
DE1167203B (en) * 1958-03-10 1964-04-02 Stop Soc Hand pump for windshield washer systems in motor vehicles
DE1920297A1 (en) * 1968-04-22 1969-10-30 Saviem Automatic safety device for opening and closing the doors of public transport
DE3923660A1 (en) * 1989-07-18 1991-01-24 Leybold Ag ON / OFF SWITCH
US5087800A (en) * 1989-07-18 1992-02-11 Leybold Aktiengesellschaft High frequency, large current, switch including a pressure-actuated current-carrying extensible bellows element

Similar Documents

Publication Publication Date Title
DE754566C (en) Electric pressure switch
DE756795C (en) Switching socket for switching operations to be carried out by inserting and removing a current-carrying plug
DE587373C (en) Push button switch to operate several electrical circuits
DE286129C (en)
DE638828C (en) Rotary switch for room lighting systems with a glow lamp built into the axis of the switch and located under the rotary handle to indicate the switch location
DE867717C (en) Switch for flexible cord
DE877561C (en) Switches for electrical systems, especially for motor vehicles
DE715612C (en) Short-circuit contact activated by the plug in the case of multi-pole plug devices
DE1211926B (en) Camera with flash contacts
DE1805965A1 (en) Rocker switch
DE542220C (en) Switch for several circuits, especially for the electrical systems of motor vehicles
DE547651C (en) Control switch with several switching stages following one another in the switching direction for installation in movable supply lines, especially for heating pads
DE724830C (en) Wear fuse cartridge
DE906713C (en) Terminal for connecting electrical lines or switching elements
DE758539C (en) Contact bridge for switching drums electrical rotary switch
DE1034246B (en) Electrical pressure control switch
DE467979C (en) Switching device controlled by a push button, in which a switching mechanism that can be rotated about a vertical axis is actuated by pressing down a push button
DE569756C (en) Door contact arrangement
DE368199C (en) Electrical alarm device with a longitudinally displaceable, resilient spike protruding from the inside into the keyhole of the door or the like to be secured
DE334891C (en) Permanent safety plug
DE940001C (en) Column-shaped point disconnector
DE376480C (en) Multi-pole electrical fuse with indication of when it has blown
US1557003A (en) Electric switch
US1743232A (en) Electric switch
DE520689C (en) Automatic fire detector