초록 ▼

The present invention relates to a sensor system for a cutting machine tool (300) with an energy supply unit (101), which inductively provides energy for the supply of at least one sensor arrangement (110) of the cutting machine tool (300) out of a magnetic alternating field (B), at least one sensor

The present invention relates to a sensor system for a cutting machine tool (300) with an energy supply unit (101), which inductively provides energy for the supply of at least one sensor arrangement (110) of the cutting machine tool (300) out of a magnetic alternating field (B), at least one sensor arrangement which measures a force, appearing within the cutting machine tool (300) and/or a torque and/or the body sound within the cutting machine tool, and a data transmitting unit (120), which wirelessly transmits data, which relate to a value, which is measured by the at least one sensor arrangement (110) of the cutting machine tool (300).

대표청구항 ▼

The invention claimed is: 1. Sensor system for a cutting machine tool, comprising: a. an energy-supply unit, which provides inductively energy for the supply of at least one sensor arrangement of a cutting machine tool out of a magnetic alternating field; b. at least one sensor arrangement, which m

The invention claimed is: 1. Sensor system for a cutting machine tool, comprising: a. an energy-supply unit, which provides inductively energy for the supply of at least one sensor arrangement of a cutting machine tool out of a magnetic alternating field; b. at least one sensor arrangement, which measures a force, appearing within a cutting machine tool and a torque and the body sound within a cutting machine tool; and c. a data transmitting unit which wirelessly transmits data via radio waves, wherein said data are related to a value, which is measured by the at least one sensor arrangement of the cutting machine tool. 2. Sensor system according to claim 1, wherein the magnetic alternating field and the wireless data transmission use different frequencies. 3. Sensor system according to claim 2, wherein the frequency of the magnetic alternating field has a value of ≦125 kHz and wherein the frequency of the wireless data transmission has a value of ≧125 kHz. 4. Sensor system according to claim 3, wherein the frequency of the wireless data transmission is within the MHz range, particularly in the range of ≧10 MHz. 5. Sensor system according to claim 1, further comprising a data receiving unit, to allow a bidirectional data transmission from and to the sensor system. 6. Sensor system according to claim 1, further comprising a receiving unit to receive the data sent from the data transmitting unit. 7. Sensor system according to claim 6, wherein the receiving unit comprises an interface for the control of the cutting machine tool. 8. Sensor system according to claim 6, wherein the receiving unit can set measuring parameters of the sensor arrangement. 9. Sensor system according to claim 1, further comprising a processor, which controls the function of the energy supply unit and the sensor arrangement and the data transmitting unit. 10. Sensor system according to claim 9, further comprising a memory with instructions for the processor. 11. Sensor system according to claim 5, further comprising a processor, which controls the function of the energy supply unit and the sensor arrangement and the data transmitting unit, and a memory with instructions for the processor, wherein the instructions for the processor can be updated via the data receiving unit. 12. Sensor system according to claim 1, wherein the sensor arrangement comprises one or more of the following sensors: a. at least one strain gauge for measuring of a torque and a force; b. an acceleration sensor; c. a sensor for body sound and airborne sound, particularly on the basis of a piezo-electric element; d. a temperature sensor particularly on the basis of a semiconductor and on the basis of a measuring of the electric resistance. 13. Sensor system according to claim 12, wherein the at least one strain gauge is connected to a capacitor, to form a low pass for a pulsed input signal. 14. Sensor system according to claim 12, wherein a plurality of strain gauges are connected with each other to a Wheatstone circuit. 15. Sensor system according to claim 12, wherein the electric signals generated from a sensor are digitalized and transmitted to the data transmitting unit via a wired digital bus. 16. Sensor system according to claim 1, further comprising a generating unit for the magnetic alternating field, wherein the generating unit preferably comprises a pair of coils. 17. Sensor system according to claim 12, comprising a plurality of sensor arrangements, which are arranged at different areas of the cutting machine tools. 18. Sensor system according to claim 17, further comprising a plurality of data transmitting units, wherein the plurality of sensor arrangements and the plurality of data transmitting units are provided with energy by means of a common first magnetic alternating field. 19. Cutting machine tool with a sensor system according to one of previous claims 1 to 18.