DE380579C

DE380579C - Control device for several water power machines working together or with other power machines

Info

Publication number: DE380579C
Application number: DEL56955D
Authority: DE
Original assignee: PAUL LEFFLER DIPL ING
Current assignee: PAUL LEFFLER DIPL ING
Priority date: 1922-12-03
Filing date: 1922-12-03
Publication date: 1923-09-08

Description

In Fällen, in denen zwei Wasserkraftmaschinen (Turbinen) als Betriebsmittel dienen, ist es im allgemeinen nur erforderlich, die eine von beiden (sie werde mit B bezeichnet) mit einer Regelvorrichtung zu versehen, während die andere (A) ohne Regelvorrichtung ständig ihre Normalarbeit verrichtet. Wollte man auch an der Turbine A eine Regelvorrichtung wirken lassen, so würde das z. B.In cases in which two water power machines (turbines) are used as operating resources, it is generally only necessary to provide one of the two ( denoted by B ) with a control device, while the other (A) does its normal work without a control device . If you wanted to let a control device act on turbine A, the z. B.

bei Verwendung eines Öldruckreglers unnötigen öl- und Kraftverbrauch (letzteren zum ständigen Nachpumpen des Öles in den Druckbehälter) bedeuten. Wenn aber bei derartigen Anlagen der Kraftbedarf so weit sinkt, daß die Turbine!? ausschaltet und die Turbine^ allein die Arbeit leistet, so muß auch bei dieser eine Regelvorrichtung vorhanden sein und in Wirkung treten. Nach der Erfindung wird zu diesem Zweck auch die Turbine^ mit einer Regelvorrichtung bekannter und beliebiger Art versehen, diese aber durch eine Sperrvorrichtung für gewöhnlich außer Wirkung gesetzt und ihr erst dann die Wirkungsmöglichkeit verliehen, wenn einmal eine besonders starke Abweichung von der normalen Umlaufzahl nach oben oder unten stattgefunden hat. Von da ab bewirkt die Regelvorrichtung dann in üblicher Weise die Regelung auch bei geringeren Schwankungen der Umlaufzahl.if an oil pressure regulator is used, this means unnecessary oil and power consumption (the latter means that the oil is constantly being pumped into the pressure vessel). But if in such systems the power requirement drops so far that the turbine !? switches off and the turbine ^ alone does the work, a control device must also be available and come into effect with this. According to the invention, the turbine ^ is provided for this purpose with a control device of any known and arbitrary type, but this is usually disabled by a locking device and only then given the possibility of action if there is a particularly strong deviation from the normal upward speed or below took place. From then on, the control device then effects the control in the usual way even with minor fluctuations in the number of revolutions.

Sind mehr als zwei Wasserkraftmaschinen vorhanden, so werden zweckmäßigerweise alle mit Ausnahme einer oder diejenigen, die für die vorkommenden Kraftbedarfsschwankungen als abwechselnd voll und nicht voll beanspruchte in Frage kommen, mit der beschriebenen Vorrichtung versehen.If there are more than two water power machines, it is best to use all of them with the exception of one or those responsible for the fluctuations in power requirements that occur as alternately fully and not fully claimed come into question with the described Device provided.

Die gleiche Vorrichtung kommt auch für Wasserturbinen, die mit anderen Kraftmaschinen zusammen arbeiten, in Frage. Man wird in diesem Fall im allgemeinen die Wasserturbinen so lange gemäß der zufließenden Wassermenge fest beaufschlagen, als sie nicht imstande sind, den ganzen Kraftbedarf allein zu decken.The same device also comes with water turbines that work with other prime movers work together in question. In this case, the water turbines are generally used press on firmly according to the inflowing water quantity as long as you are not able to use the whole power requirement on your own cover up.

Dieselbe Vorrichtung kann auch bei solchen mit einer oder mehreren Wasserkraftmaschinen versehenen Anlagen in Anwendung gebracht werden, bei denen zeitweise infolge fast gleichbleibenden Kraftbedarfs auf eine Regelung verzichtet werden kann. Bei unzulässig hohen Abweichungen von der normalen Umdrehungszahl schalten sich auch hier die Regler selbsttätig ein.The same device can also be used in those with one or more water power machines provided systems are brought into use, in which at times as a result of almost constant Power requirement can be dispensed with a regulation. In the event of impermissibly high deviations from the normal number of revolutions The controllers also switch on automatically here.

Die Zeichnung stellt die Vorrichtung in drei Ausführungsbeispielen schematisch dar. In Abb. ι ist p das durch Riemenscheibe α ο. dgl. angetriebene Fliehkraftpendel, durch dessen Hülse b ein Gestänge c bewegt wird, das zu dem Regler bekannter Anordnung (Öldruckregler o. dgl.) führt. Die Bewegung der Hülse b wird für gewöhnlich durch eine mit winkelförmig gestellten Zinken versehene, verschiebbar gelagerte Gabel d gehindert, die einen an der Hülse b vorhandenen Stift i umfaßt. Die Reibung oder vorteilhafterweise, wie gezeichnet, ein Kippgewicht g verhindert, daß die Gabel d vermöge der schräg gestellten Zinken zurückgeschoben wird, solange die vomThe drawing shows the device in three exemplary embodiments schematically. In Fig. Ι p is the pulley α ο. Like. Driven centrifugal pendulum, a rod c is moved through the sleeve b , which leads to the regulator of known arrangement (oil pressure regulator or the like). The movement of the sleeve b is usually prevented by a slidably mounted fork d which is provided with angled prongs and which comprises a pin i present on the sleeve b. The friction or, advantageously, as shown, a tilting weight g prevents the fork d from being pushed back by virtue of the inclined prongs as long as the from

Claims

The force exerted by the centrifugal pendulum does not exceed a certain level. But if this occurs, the turning tipping weight ensures the complete retraction of the fork, so that the centrifugal pendulum is released and the movement of its sleeve b can be transmitted to the oil pressure regulator through the linkage c. With the lever of the tilting weight g a linkage e can be connected, which with the; When the centrifugal pendulum is released, the oil pump used to operate the oil pressure regulator> engages. Instead of the tipping weight g can! of course, a toggle spring known \ o order arrival. like. come into use. The reengagement of the locking device can be done in any way, e.g. B. remotely by a pull cord / or by 'an electromagnet o. The like. The angular position of the fork prongs d causes the pin i to be securely gripped on the centrifugal pendulum sleeve b.

In Fig. 2 a case is drawn in which it is not the force of the centrifugal pendulum pendulum p but the interruption or weakening of the ₂ g of the current generated by the water power machine in the line h that removes the blocking, in that an electromagnet k usually disengages one acting spring / counteracts, which brings about the disengagement after the current has stopped or subsided.

The electromagnet can also be arranged so that it disengages when it is exceeded brings about a certain amperage. A maximum and minimum switch can also be used come into use, which when falling below or exceeding a certain current strength the circuit /; interrupts.

Of course, the two arrangements shown in Fig. Ι and 2 as an example, the release device influenced by the centrifugal pendulum and the current, come into use at the same time.

The device can also be used in those cases in which an electrical regulator of a known type is used instead of a liquid pressure regulator. In this case the arrangement can be made as Fig. 3 shows it schematically. The sleeve of the centrifugal pendulum b p comprises two pins with a two-armed lever · / ", which can include the control device belonging to the contacts r in a known manner when the sleeve moves b. Usually, however, the lever m is prevented from swinging by a brake which is pressed by a tension spring 0 against a circular arc s located on the lever m. If this lever swings out strongly, the arc slides off the brake, the latter tips over and the lever ni can now swing freely. So that the electrical regulator does not come into effect beforehand in the event of small fluctuations in the centrifugal pendulum by closing the contacts r , a power interruption is provided at t for each of the two lines leading through the contacts (for opening and closing the water inlet 1, which only occurs when the Brake lever is closed.

Patent offense ε:

ι. Control device for several water power machines working together or with other power machines, characterized in that a locking device (d, g or k, I or n, s) acts on the controller (b) of the water power machines that are alternately fully and not fully loaded Regulator (b) puts the controlled device out of action as long as a certain amount of deviation from the normal number of revolutions is not reached, but releases it as soon as this amount is exceeded and an adaptation of the power of this engine to the power requirement is necessary.

2. Device according to claim 1, characterized in that the lock (d) is arranged so that the centrifugal force pendulum (ρ) they push away only in the event a force of a certain size \ ^r EMAG.

3. Apparatus according to claim 1, characterized by a tilting weight {g \ or a tilting spring o. The like. That holds the lock (d) in its locking position in its rest position, but turns over after displacement of the lock and completes the disengagement of the locking device.

4. Apparatus according to claim 1, characterized in that the disengagement of the lock is brought about by the current generated by the water power machine when it is interrupted, slackened or increased by means of an electromagnet (k) or the like. 2).

5. The device according to claim 1, characterized in that by the Flieh- no power pendulum (p) after overcoming a resistance of an electrical regulator of known type feeding electrical current is closed (Fig. 3).

1 sheet of drawings.