DEVICE FOR INTEGRATING ELECTRIC CONDUCTORS INTO LOW-FREQUENCY ELECTRIC TANK CIRCUITS

Abstract

The invention pertains to a device for at least one low-frequency electric tank circuit, in which at least one electric conductor is an influencing component of the tank circuit due to its properties.

Claims

1. A device including at least one low-frequency electric tank circuit and at least one electric conductor located between a generator and a consumer, the at least one electric conductor being an influencing component of the tank circuit due to its properties.

2. The device of claim 1, wherein the low-frequency electric tank circuit has a frequency in the range between 500 Hz and 2,000,000 Hz, preferably between 2000 Hz and 800,000 Hz.

3. The device of claim 1, wherein the low-frequency electric tank circuit is adapted to be periodically excited with an electrical oscillation, a switching process or a pulse by means of a generator and the frequency of the periodic excitation lies at or near the frequency of the low-frequency electric tank circuit, wherein a maximum deviation lies in the range between 500 Hz and 10,000 Hz, preferably between 800 Hz and 2000 Hz.

4. The device of claim 1, wherein at least two low-frequency electric tank circuits are coupled to one another and the maximum deviation between the individual tank circuits lies in the range between 500 Hz and 10,000 Hz, preferably between 800 Hz and 2000 Hz.

5. The device of claim 1, wherein the consumer is a high-frequency electric resonant circuit, a magnetostrictive actuator or a piezo actuator.

6. The device of claim 1, wherein the transmitted effective power at the consumer lies in the range between 5 W and 50,000 W, preferably between 500 W and 20,000 W.

7. The device of claim 1, wherein the transmitted effective power at the generator lies in the range between 5 W and 50,000 W, preferably between 500 W and 20,000 W.

8. The device of claim 1, wherein the electric conductor is a cable and a complex resistance Z of the cable lies in the range between 1 Ohm and 1000 Ohm, preferably between 20 Ohm and 70 Ohm.

9. The device of claim 8, wherein the cable as influencing component of the tank circuit has the property of forming a resonant circuit with integrated transit time in dependence on the length of the cable.

10. The device of claim 1, wherein a terminal resistance is an ohmic resistance R.sub.a in dependence on the tapping point, a complex resistance Z.sub.a in dependence on the tapping point, or a resistance X.sub.a, which results from the ohmic resistance and the complex resistance Z in dependence on the tapping point.

11. The device of claim 10, wherein the terminal resistance lies in the range between 1 and 1000, preferably between 5 and 500.

12. The device of claim 1, wherein the consumer is in the form of a piezo element and has a maximum resistance of 2000 Ohm between the tapping points.

13. The device of claim 1, wherein at least one capacitance is connected in parallel to the consumer consisting of at least one piezo element.

14. The device of claim 1, wherein a voltage potential in at least one point between two conductors lies in the range between 50 V and 50,000 V, preferably between 100 V and 15,000 V.

15. The device of claim 1, wherein a line cross section lies in the range between 0.5 mm.sup.2 and 500 mm.sup.2, preferably between 1.5 mm.sup.2 and 35 mm.sup.2.

16. The device of claim 1, wherein a cable as influencing component of the tank circuit has the property of having an n*wavelength Lambda/4, wherein n is an integer.

17. The device of claim 16, wherein the cable is a Lambda/4 transformer.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Features will become apparent to those of ordinary skill in the art by describing in detail exemplary embodiments with reference to the attached drawings in which:

[0047] FIG. 1 illustrates an equivalent circuit diagram of a line;

[0048] FIG. 2 illustrates an equivalent circuit diagram of piezo element;

[0049] FIG. 3 illustrates a basic generator and a consumer circuit with short line; and

[0050] FIG. 4 illustrates basic generator and a consumer circuit with long line.

DETAILED DESCRIPTION OF THE INVENTION

[0051] Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. Effects and features of the exemplary embodiments, and implementation methods thereof will be described with reference to the accompanying drawings.

[0052] FIG. 1 shows an equivalent circuit diagram line which may be used for long lines. The terminal resistance is Ra or Xa or Z.

[0053] FIG. 2 shows an equivalent circuit diagram of piezo element as a consumer.

[0054] FIG. 3 illustrates a generator with resonant circuit generator adaptation. The drawing shows a basic generator and a consumer circuit with short line. The consumer may be a piezo element.

[0055] FIG. 4 shows a basic generator and a consumer circuit with long line. The generator may be a generator with T-filter adaptation. There is a frequency-adapted resonant circuit.

LIST OF REFERENCE SYMBOLS

[0056]

TABLE-US-00001 Formula Symbol Designation C capacitance C capacitance of line (length-dependent) C.sub.A adaption capacitance C.sub.G capacitance of generator C.sub.P capacitance of piezo element G leakage resistance of line (length-dependent) L inductance L inductance of line (length-dependent) L.sub.A adaption inductance R resistance R resistance (length-dependent) R.sub.A terminal resistance R.sub.L load resistance R.sub.P resistance of piezo element X.sub.A resulting terminal resistance Z complex, system or wave resistance Z.sub.A complex terminal resistance Z.sub.G complex resistance of generator Z.sub.L complex resistance of line