[go: up one dir, main page]

DE321885C - Direct reading electrical frequency meter - Google Patents

Direct reading electrical frequency meter

Info

Publication number
DE321885C
DE321885C DENDAT321885D DE321885DD DE321885C DE 321885 C DE321885 C DE 321885C DE NDAT321885 D DENDAT321885 D DE NDAT321885D DE 321885D D DE321885D D DE 321885DD DE 321885 C DE321885 C DE 321885C
Authority
DE
Germany
Prior art keywords
direct reading
frequency meter
electrical frequency
reading electrical
cage system
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
DENDAT321885D
Other languages
German (de)
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
Publication date
Application granted granted Critical
Publication of DE321885C publication Critical patent/DE321885C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Description

Direkt anzeigender elektrischer Frequenzmesser. Bekannt sind direkt anzeigende Frequenzmesser, bei denen ein Anker Anwendung findet, der aus einem Käfigsystem besteht. Hierdurch wird die Erzeugung eines möglichst starken Feldes im Drehsystem möglich, wobei letzteres leicht ausbalanziert und eine symmetrische Anordnung herbeigeführt werden kann. Infolgedessen sind kapazitive Wirkungen vermieden, während die Empfindlichkeit des Systems erhöht wird.Direct reading electrical frequency meter. Are known directly indicating frequency meters in which an anchor is used that consists of a cage system consists. This enables the generation of the strongest possible field in the rotating system possible, the latter being slightly balanced and bringing about a symmetrical arrangement can be. As a result, capacitive effects are avoided while the sensitivity of the system is increased.

Gemäß der Erfindung lassen sich nach einem Vorschlag von O t t o S c h e 11 e r die gleichen Vorteile ohne Verwendung eines komplizierten Käfigsystems dadurch erreichen, daß zwischen dem beweglichen Anker und den Spulen ein fester Schirm vorgesehen wird, welcher die elektrischen Kraftlinien der Spulen nicht auf den Anker wirken läßt. Der Anker hat beispielsweise die Form eines Kurzschlußringes, während der feste Schirm zweckmäßig . aus mehreren geschlitzten Ringen besteht, die derart um die Drehachse zentrisch zu dieser und untereinander angeordnet sind, daß sich ein Ringkäfig ergibt. Letzterer wird zweckmäßig dadurch gebildet, daß um das Drehsystem eine zylindrisch gewickelte Spule angeordnet wird, deren Einzelwindungen an einer Stelle unterbrochen sind. Ein derartiges System wirkt für die elektrischen Kraftlinien der Spulen als Schirm, während es die magnetischen hindurchläßt.According to the invention, according to a proposal by O t t o S c h e 11 e r the same advantages without using a complicated cage system achieve that between the movable armature and the coils a fixed Screen is provided, which does not affect the electrical lines of force of the coils lets the anchor work. The anchor has, for example, the shape of a short-circuit ring, while the solid screen is functional. consists of several slotted rings, which are arranged around the axis of rotation centered on this and one below the other, that there is a ring cage. The latter is expediently formed in that to the rotating system a cylindrically wound coil is arranged, its individual turns are interrupted at one point. Such a system works for the electrical Lines of force of the coils as a screen, while it lets the magnetic ones through.

Die Erfindung kann in der aus der Zeichnung ersichtlichen Weise ausgeführt werden, in welcher mit a das Drehsystem bezeichnet ist, welches von den bei e geschlitzten Ringen bzw. Spulenwindungen b umgeben ist. Dieses aus untereinander angeordneten Ringen bzw. Spulenwindungen bestehende Schirmsystem ist fest in dem Felde der beiden gekreuzten Spulen c und d angeordnet und umfaßt einen drehbaren Anker f, der beispielsweise die Gestalt eines Kurzschlußringes hat.The invention can be carried out in the manner shown in the drawing in which the rotating system is designated by a, which of the slotted at e Rings or coil turns b is surrounded. This from arranged one below the other An umbrella system consisting of rings or coil windings is fixed in the field of the two crossed coils c and d arranged and comprises a rotatable armature f, for example has the shape of a short-circuit ring.

Die Anordnung läßt sich in Verbindung mit einer Schaltungsanordnung verwenden, wie sie beispielsweise in Fig.3 des Patents 297954 dargestellt ist. Im übrigen gelten für die Anordnung und Wirkungsweise der Erfindung die gleichen Vorteile wie für das System nach dem genannten Patent.The arrangement can be used in conjunction with a circuit arrangement use, as shown for example in Figure 3 of the patent 297954. in the otherwise, the same advantages apply to the arrangement and mode of operation of the invention as for the system according to the patent mentioned.

Claims (1)

P-aTEIQT-ANSPRLICHE: i. Direkt anzeigender elektrischer Frequenzmesser, gekennzeichnet durch ein die elektrischen Kraftlinien abschirmendes, festes Käfigsystem, das den als Kurzschlußring ausgebildeten Anker umgibt. a. Käfigsystem nach Anspruch i, bestehend aus geschlitzten Ringen, die untereinander um die Drehachse zentrisch zu dieser angeordnet sind. 3. . Käfigsystem nach Anspruch i, bestehend aus einer um die Drehachse angeordneten zylindrischen Spule, deren Einzelwindungen unterbrochen sind.P-aTEIQT-CONTACT: i. Direct reading electrical frequency meter, characterized by a solid cage system shielding the electrical lines of force, which surrounds the armature designed as a short-circuit ring. a. Cage system according to claim i, consisting of slotted rings, which are centered around the axis of rotation are arranged to this. 3.. Cage system according to claim i, consisting of one around the axis of rotation arranged cylindrical coil, the individual turns of which are interrupted are.
DENDAT321885D Direct reading electrical frequency meter Expired DE321885C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE321885T

Publications (1)

Publication Number Publication Date
DE321885C true DE321885C (en) 1920-06-15

Family

ID=6164005

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT321885D Expired DE321885C (en) Direct reading electrical frequency meter

Country Status (1)

Country Link
DE (1) DE321885C (en)

Similar Documents

Publication Publication Date Title
DE908921C (en) Magnetic bridge controlled by a mechanical variable
DE2335249A1 (en) DEVICE FOR MEASURING TENSIONS ON THE SURFACE OF COMPONENTS AND THE LIKE MADE OF A MAGNETOSTRUCTIVE FABRIC
DE1513706A1 (en) Earth fault protection device for the excitation circuit of a synchronous machine with rotating rectifiers
DE321885C (en) Direct reading electrical frequency meter
DE2301483A1 (en) ROTARY INDICATOR
DE1232254B (en) Measuring head for a gyromagnetic magnetometer
DE390632C (en) Device for measuring the mechanical force transmitted by a rotating shaft
DE937560C (en) Arrangement for determining the flow velocity according to the induction method
DE1253793B (en) Electrical pick-up system
DE918823C (en) Ferrodynamic measuring mechanism for power meters
DE911289C (en) Arrangement with coupled AC motors fed from the same network
DE613805C (en) Three-phase current meter
DE916423C (en) Arrangement for changing the inductance value of an electrical coil by superimposing a controllable magnetic field
DE664902C (en) Method for magnetizing a permanent magnet for moving coil measuring devices with a distorted scale
DE914945C (en) Magnetic bridges, in particular for telemetry and remote control purposes
DE434005C (en) Arrangement for the stable control of self-excited DC machines by changing the effective power flow cross-section
DE612319C (en) Arrangement for measuring the power of the parallel or opposing system of an asymmetrical three-phase three-wire system using two wattmeters
DE403446C (en) Coil winding for dynamometric instruments with several measuring ranges
DE917322C (en) Device for improving the commutation of direct current shunt and compound machines that are operated with pulsating direct current
DE820317C (en) Arrangement for damping the voltage of twice the frequency generated in the excitation winding of reluctance generators
DE372417C (en) Induction measuring device
DE741353C (en) Procedure for determining the angular position of commutator lamellae in relation to the associated armature coils
DE1060475B (en) Electrical machine which is equipped with several, preferably two loop windings to generate several alternating voltages
DE393470C (en) Magnetic electric igniter
DE967410C (en) DC cross-field generator