Stator device for a linear motor, and linear transport system

Patent metadata

Field	Value
Publication number	US-9997985-B2
Application number	US-201414497557-A
Country	US
Kind code	B2
Filing date	Sep 26, 2014
Priority date	Mar 27, 2012
Publication date	Jun 12, 2018
Grant date	Jun 12, 2018

Abstract

A stator device for a linear motor comprises an electrically energizable magnetic field generator for forming a magnetic field, and a first holding device for holding the magnetic field generator, wherein the magnetic field generator is fastened to the first holding device, wherein the first holding device is formed at least partially from an any of an electrically and magnetically non-conductive material, wherein the magnetic field generator comprises a coil and a stator tooth as a core around which the coil is wound, and wherein the first holding device is in the form of a printed circuit board for electrical contacting of the magnetic field generator.

First claim

The invention claimed is:

1. A stator device for a linear motor, comprising:
an electrically energizable magnetic field generator for forming a magnetic field; and
a first holding device for holding the magnetic field generator;
wherein the magnetic field generator is fastened to the first holding device, wherein the first holding device is formed at least partially from any of an electrically and magnetically non-conductive material;
wherein the magnetic field generator comprises a coil and a stator tooth as a core around which the coil is wound; and
wherein the first holding device is in the form of a printed circuit board for electrical contacting of the magnetic field generator, the printed circuit being subdivided into a first section and a second section by a profile element fastened to the printed circuit board,
wherein in the first section of the printed circuit board the stator tooth is fastened to the printed circuit board, and an end of the coil wound around the stator tooth is electrically connected to the printed circuit board, and
wherein in the second section of the printed circuit board power electronics are electrically connected to the printed circuit board, the power electronics electrically energizing the coil of the magnetic field generator via the printed circuit board.

2. The stator device as claimed in claim 1 , wherein a second holding device for holding the magnetic field generator is formed, to which second holding device the magnetic field generator is fastened, wherein the magnetic field generator is arranged between the two holding devices.

3. The stator device as claimed in claim 2 , wherein the first holding device and the second holding device have, respectively, a first cutout and a second cutout into which a first holding section and a second holding section respectively of the magnetic field generator are inserted and fixed.

4. The stator device as claimed in claim 3 , wherein a first holding section is formed on a first end, and a second holding section is formed on a second end, of the stator tooth.

5. The stator device as claimed in claim 1 , wherein multiple magnetic field generators which are spaced apart from one another are formed, and wherein in each case one non-wound stator tooth is provided between two magnetic field generators.

6. The stator device as claimed in claim 1 , wherein multiple magnetic field generators which are spaced apart from one another are formed, and wherein a gap is formed in each case between two magnetic field generators.

7. The stator device as claimed in claim 2 , wherein the second holding device is in the form of a printed circuit board for electrical contacting of the magnetic field generator.

8. The stator device as claimed in claim 1 , wherein the material of the printed circuit board is a fiber-reinforced plastic.

9. The stator device as claimed in claim 1 , wherein the first holding device has power electronics for the activation of the magnetic field generator.

10. The stator device as claimed in claim 1 , wherein a parameter memory is provided for activation parameters of the magnetic field generator.

11. The stator device as claimed in claim 1 , wherein a thermal energy dissipater for dissipating thermal energy generated by means of the magnetic field generator during operation is formed.

12. The stator device as claimed in claim 2 , wherein a supporting profile element is formed between the two holding devices, wherein the two holding devices are fastened to the supporting profile element.

13. The stator device as claimed in claim 1 , wherein a mounting device for the fastening of a guide for guiding a vehicle is formed.

14. A stator device for a linear motor, comprising:
an electrically energizable magnetic field generator for forming a magnetic field; and
a first holding device for holding the magnetic field generator;
wherein the magnetic field generator is fastened to the first holding device, wherein the first holding device is formed at least partially from any of an electrically and magnetically non-conductive material;
wherein the magnetic field generator comprises a coil and a stator tooth as a core around which the coil is wound; and
wherein the first holding device is in the form of a printed circuit board for electrical contacting of the magnetic field generator, the printed circuit board projecting into a carrier profile element, wherein a power electronics system is directly fastened to the first holding device, and wherein the power electronics system is arranged in an installation space in the carrier profile element.

15. A stator device for a linear motor, comprising:
an electrically energizable magnetic field generator for forming a magnetic field; and
a first holding device for holding the magnetic field generator;
wherein the first holding device is in the form of a printed circuit board for electrical contacting of the magnetic field generator, the printed circuit board projecting into a carrier profile element, wherein a power electronics system is directly fastened to the first holding device, and wherein the power electronics system is arranged in an installation space in the carrier profile element.

Assignees

• Beckhoff Automation Gmbh

Inventors

• Prüssmeier Uwe

Classifications

• H02K7/08

  Structural association with bearings · CPC title

• B65G54/02 Primary

  electrostatic, electric, or magnetic · CPC title

• H02K1/27

  Rotor cores with permanent magnets · CPC title

• H02K3/28

  Layout of windings or of connections between windings (windings for pole-changing H02K17/06, H02K17/14, H02K19/12, H02K19/32) · CPC title

• H02K11/215

  Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements · CPC title