DE721971C - Chopper of an inverter with a pendulum spring and a counter spring carrying the opposite pole of the contact - Google Patents
Chopper of an inverter with a pendulum spring and a counter spring carrying the opposite pole of the contactInfo
- Publication number
- DE721971C DE721971C DET51104D DET0051104D DE721971C DE 721971 C DE721971 C DE 721971C DE T51104 D DET51104 D DE T51104D DE T0051104 D DET0051104 D DE T0051104D DE 721971 C DE721971 C DE 721971C
- Authority
- DE
- Germany
- Prior art keywords
- spring
- pendulum
- counter
- contact
- chopper
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/54—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters
- H02M7/58—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential
- H02M7/62—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential with electromagnetically-operated vibrating contacts, e.g. chopper
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Description
Zerhacket eines Wechselrichters mit Pendelfeder und den Gegenpol des Kontaktes tragender Gegenfeder Die Erfindung bezieht sich auf P,endelzerhacker, mit welchen ein Gleichstrom zwecks Umwandlung in einen Wechselstrom zerhackt wird. Bei derartigen Rendelzerhackern muß zur Erhöhung des Wirkungsgrades der Abstand der Kontakte verhältnismäßig gering sein (o,05 bis o,i mm). Außerdem müssen die Kontakte bei der Berührtmg möglichst mit der ganzen Fläche aufeinanderliegen. Zur Vermeidung von Prellungen muß die Vorspannung der Gegenfeder im allgemeineneinen bestimmten Wert haben, der durch ein Widerlager eingestellt wird. Außer dem Kontaktabstand muß also auch die Vorspannung der Gegenfedereingestellt werden.Chopping up an inverter with a pendulum spring and the opposite pole of the Contact bearing return spring The invention relates to P, endelzerhacker, with which a direct current is chopped up for the purpose of converting it into an alternating current. With such Rendelzerhackern the distance must to increase the efficiency the contacts should be relatively small (0.05 to 0.1 mm). In addition, the When touching, the contacts should lie on top of one another with the entire surface as far as possible. To the To avoid bruises, the preload of the return spring must generally be one have a certain value that is set by an abutment. Except for the contact distance the bias of the counter spring must therefore also be adjusted.
Es ist ein Pendelgleichrichter bekannt, bei dem die Gegenfeder und das Widerlager zusammen an einem Bock befestigt sind, welcher zur Einstellung des Kontaktabstandes ohne Beeinflussung der Vorspannung der Gegenfeder verschiebbar ist, da der Bock auf der Grundplatte durch in Langlöchern befindliche Schrauben befestigt ist.A pendulum rectifier is known in which the return spring and the abutment are fastened together on a bracket, which is used to adjust the Contact distance can be moved without influencing the preload of the counter spring is because the bracket is attached to the base plate by means of screws in elongated holes is attached.
Bei den bisher bekannten Zerhackern, deren Federn zu einem Federpaket vereinigt sind, wäre dagegen eine Einstellung des Kontaktabstandes ohne Beeinflussung der Vorspannung der Gegenfeder nicht möglich.In the previously known chopper, the springs of which form a spring package are combined, on the other hand, setting the contact spacing would be without any influence the preload of the return spring is not possible.
Die bisher übliche Konstruktion der Zerhacker ist in Abb. i dargestellt (die Erregerspul,e ist nicht eingezeichnet). i bedeutet die Pendelfeder, 2 die Kontakte, 3 die Gegenfeder, q. das Widerläger, welches die Gegenfeder 3 an einem Ausschwingen in Richtung auf die Pendelfeder hindert. Der Abstand zwischen den Arbeitskontakten z wird im allgemeinen durch Justage des Widerlagers 4 eingestellt, wobei die Vorspannung der Feder 3 gegen das Widerlager 4 durch Justage der Feder 3 auf den richtigen Wert gebracht werden muß. Diese Justage hat den Nachteil, daß eine der kontakttragenden Federn gebogen werden muß, hierdurch aber, da diese Feder 3 elastische Eigenschaften haben muß, eine nachträgliche Veränderung der Eigenschaften der Feder 3 nicht ausgeschlossen bleibt. Dieser Nachteil der Zerhacker mit Federpaket wird durch die Erfindung vermieden.The usual construction of the chopper is shown in Fig. I (the excitation coil, e is not shown). i means the pendulum spring, 2 the contacts, 3 the return spring, q. the abutment, which the counter spring 3 at a swing in the direction prevents the pendulum spring. The distance between the Normally open contacts z is generally set by adjusting the abutment 4, the bias of the spring 3 against the abutment 4 by adjusting the spring 3 must be brought to the correct value. This adjustment has the disadvantage that one of the contact-bearing springs has to be bent, but as a result, since this spring 3 must have elastic properties, a subsequent change in properties the spring 3 is not excluded. This disadvantage of the chopper with a spring package is avoided by the invention.
Die Erfindung besteht darin, daß die Gegenfeder zusammen mit ihrem Widerlager an einem im Sinne einer Änderung des Kontaktabstandes verbiegbaren Träger befestigt ist, der mit der Pendelfeder und gegebenenfalls den. Trägern von weiteren Gegenfedern unter Zwischenlage von Isolierstücken zu einem Federpaket vereinigt ist.The invention consists in that the return spring together with her Abutment on a support that can be bent in the sense of changing the contact distance is attached, the with the pendulum spring and possibly the. Carriers of further Counter springs combined to form a spring package with the interposition of insulating pieces is.
Abb.2 zeigt ein Ausführungsbeispiel der Erfindung. Das Widerlager 4 und Kontaktfeder 3 sind nicht mehr zusammen mit der Pendelfeder mittels der Schraube 7 verschraubt sondern sitzen oberhalb der Verschraubung des gesamten Federpaketes des Zerhackers an einem getrennten Träger 5. Man erkennt ohne weiteres, daß die Vorspannung der Feder 3 durch Biegen des Widerlagers 4 auf jeden praktisch beliebigen Wert gebracht werden kann und unabhängig hiervon die Stellung der Arbeitskontakte 2 zueinander durch Biegen des Trägers 5 erfolgen kann. An der Feder 3 braucht also nicht mehr gebogen zu werden.Fig.2 shows an embodiment of the invention. The abutment 4 and contact spring 3 are no longer together with the pendulum spring by means of the screw 7 screwed but sit above the screw connection of the entire spring assembly of the chopper on a separate support 5. It can be readily seen that the Preload the spring 3 by bending the abutment 4 to any practically any Value can be brought and regardless of this the position of the working contacts 2 can be done by bending the carrier 5 to each other. So on the spring 3 needs no longer to be bent.
Um eine ausreichende Baulänge für die Gegenfeder 3 zu erhalten, ist es vorteilhaft, die isolierten Zwischenlager 6 zwischen Pendel- und Gegenfeder auf der dem Träger zugewandten Seite so abzuschrägen, daß die Fußpunkte der Pendelfeder und der Gegenfeder auf annähernd der gleichen Höhe liegen.In order to obtain a sufficient overall length for the counter spring 3, is it is advantageous to have the isolated intermediate bearings 6 between the pendulum and counter springs bevel the side facing the carrier so that the base points of the pendulum spring and the return spring are at approximately the same height.
Es sei noch erwähnt, daß man die Gegenfeder 3 in Abb. 2, wie dargestellt, zweckmäßig auf der der Pendelfeder zugewandten Seite ;dies Trägers befestigt, damit die Wandstärke des Trägers bei der Bemessung des Abstandes der Federn nicht berücksichtigt zu werden braucht.It should also be mentioned that the return spring 3 in Fig. 2, as shown, expediently on the side facing the pendulum spring; this carrier is attached to it the wall thickness of the beam is not taken into account when dimensioning the distance between the springs needs to become.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET51104D DE721971C (en) | 1938-10-06 | 1938-10-06 | Chopper of an inverter with a pendulum spring and a counter spring carrying the opposite pole of the contact |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET51104D DE721971C (en) | 1938-10-06 | 1938-10-06 | Chopper of an inverter with a pendulum spring and a counter spring carrying the opposite pole of the contact |
Publications (1)
Publication Number | Publication Date |
---|---|
DE721971C true DE721971C (en) | 1942-06-25 |
Family
ID=7563567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DET51104D Expired DE721971C (en) | 1938-10-06 | 1938-10-06 | Chopper of an inverter with a pendulum spring and a counter spring carrying the opposite pole of the contact |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE721971C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1002784B (en) * | 1952-05-15 | 1957-02-21 | Siemens Ag | Arrangement for contact springs that are attached to firmly clamped spring supports, in particular relay springs for railway safety devices |
-
1938
- 1938-10-06 DE DET51104D patent/DE721971C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1002784B (en) * | 1952-05-15 | 1957-02-21 | Siemens Ag | Arrangement for contact springs that are attached to firmly clamped spring supports, in particular relay springs for railway safety devices |
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