Sensor unit and gear having at least one such unit

Patent metadata

Field	Value
Publication number	US-11754052-B2
Application number	US-202017005289-A
Country	US
Kind code	B2
Filing date	Aug 27, 2020
Priority date	Aug 30, 2019
Publication date	Sep 12, 2023
Grant date	Sep 12, 2023

Abstract

A sensor unit includes sensor constituent parts of various sensor devices and at least one printed circuit board that has voltage supply and signal transmission components for the sensor constituent parts and to which the sensor constituent parts are connected. The sensor unit has an annular base body that receives the sensor constituent parts and the at least one printed circuit board. A gear having such a sensor unit is also provided. A drive train having such a gear, a wind power installation having such a drive train, and an industrial application having such a gear are provided.

First claim

The invention claimed is:

1. A sensor unit comprising:
sensor constituent parts of various sensor devices; and
at least one printed circuit board that has voltage supply and signal transmission components for the sensor constituent parts and to which the sensor constituent parts are connected,
wherein the sensor unit has a base body that is annular and receives the sensor constituent parts and the at least one printed circuit board,
wherein the base body of the sensor unit is arranged between a gear mount that is arranged on a gear shaft and a gear housing cover,
wherein a measurement variable pickup and a signal transmitter are provided on the gear shaft radially inward of the base body as sensor constituent parts of a torque sensor device,
wherein the various sensor devices include at least one torque sensor device, and
wherein a signal receiver of annular design is positioned on an inner periphery of the base body as a sensor constituent part of the at least one torque sensor device.

2. The sensor unit of claim 1 , wherein the various sensor devices have at least one temperature sensor device, at least one vibration sensor device, or any combination thereof.

3. The sensor unit of claim 1 , wherein a single interface that is accessible from outside is provided on the base body for connection of external voltage supply and signal transmission lines.

4. The sensor unit of claim 3 , wherein a measurement variable pickup of at least one temperature sensor device and a measurement variable pickup of at least one vibration sensor device are positioned on a first end side of the base body as sensor constituent parts, and
wherein the single interface is positioned on a second end side of the base body, the second end side being opposite the first end side.

5. The sensor unit of claim 1 , wherein the at least one printed circuit board is positioned in an interior of the base body.

6. The sensor unit of claim 1 , wherein the base body is produced from an oil-resistant, temperature-resistant, and pressure-resistant material.

7. The sensor unit of claim 6 , wherein the base body is made of a plastic.

8. The sensor unit of claim 7 , wherein the base body is made of poly amide.

9. The sensor unit of claim 1 , wherein the base body is an additive manufactured base body.

10. The sensor unit of claim 1 , wherein the signal receiver is in the form of a brass strip.

11. The sensor unit of claim 1 , wherein the signal receiver is in the form of a ring section.

12. A gear comprising:
a sensor unit comprising:
sensor constituent parts of various sensor devices; and
at least one printed circuit board that has voltage supply and signal transmission components for the sensor constituent parts and to which the sensor constituent parts are connected,

wherein the sensor unit has a base body that is annular and receives the sensor constituent parts and the at least one printed circuit board,
wherein the base body of the sensor unit is arranged between a gear mount that is arranged on a gear shaft and a gear housing cover,
wherein a measurement variable pickup and a signal transmitter are provided on the gear shaft radially inward of the base body as sensor constituent parts of a torque sensor device,
wherein the various sensor devices include at least one torque sensor device, and
wherein a signal receiver of annular design is positioned on an inner periphery of the base body as a sensor constituent part of the at least one torque sensor device.

13. The gear of claim 12 , wherein the base body of the sensor unit is arranged between the gear mount that is arranged on the gear shaft and the gear housing cover, and bears against the gear mount and the gear housing cover.

14. A drive train comprising:
a rotor shaft that is connected in a torque-transmitting manner to a gear, the gear being connected in a torque-transmitting manner to a generator,
wherein the gear comprises:
a sensor unit comprising:
sensor constituent parts of various sensor devices; and
at least one printed circuit board that has voltage supply and signal transmission components for the sensor constituent parts and to which the sensor constituent parts are connected,

wherein the sensor unit has a base body that is annular and receives the sensor constituent parts and the at least one printed circuit board,
wherein the base body of the sensor unit is arranged between a gear mount that is arranged on a gear shaft and a gear housing cover,
wherein a measurement variable pickup and a signal transmitter are provided on the gear shaft radially inward of the base body as sensor constituent parts of a torque sensor device,
wherein the various sensor devices include at least one torque sensor device, and
wherein a signal receiver of annular design is positioned on an inner periphery of the base body as a sensor constituent part of the at least one torque sensor device.

15. A wind power installation comprising:
a rotor that is attached to a nacelle; and
a drive train that is arranged in the nacelle and is connected in a torque-transmitting manner to the rotor, the drive train comprising a rotor shaft that is connected in a torque-transmitting manner to a gear, the gear being connected in a torque-transmitting manner to a generator,
wherein the gear comprises:
a sensor unit comprising:
sensor constituent parts of various sensor devices; and
at least one printed circuit board that has voltage supply and signal transmission components for the sensor constituent parts and to which the sensor constituent parts are connected,

wherein the sensor unit has a base body that is annular and receives the sensor constituent parts and the at least one printed circuit board,
wherein the base body of the sensor unit is arranged between a gear mount that is arranged on a gear shaft and a gear housing cover,
wherein a measurement variable pickup and a signal transmitter are provided on the gear shaft radially inward of the base body as sensor constituent parts of a torque sensor device,
wherein the various sensor devices include at least one torque sensor device, and
wherein a signal receiver of annular design is positioned on an inner periphery of the base body as a sensor constituent part of the at least one torque sensor device.

16. An industrial application comprising:
a gear; and
a drive that is connected in a torque-transmitting manner to the gear, the gear being coupled in a torque-transmitting manner to a mechanical application,
wherein the gear comprises:
a sensor unit comprising:
sensor constituent parts of various sensor devices; and
at least one printed circuit board that has voltage supply and signal transmission components for the sensor constituent parts and to which the sensor constituent parts are connected,

wherein the sensor unit has a base body that is annular and receives the sensor constituent parts and the at least one printed circuit board,
wherein the base body of the sensor unit is arranged between a gear mount that is arranged on a gear shaft and a gear housing cover,
wherein a measurement variable pickup and a signal transmitter are provided on the gear shaft radially inward of the base body as sensor constituent parts of a torque sensor device,
wherein the various sensor devices include at least one torque sensor device, and
wherein a signal receiver of annular design is positioned on an inner periphery of the base body as a sensor constituent part of the at least one torque sensor device.

Assignees

• Flender Gmbh

Inventors

• Camminadi Julia
• Van Manen Ricardo

Classifications

• F16H3/64 Primary

  composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train · CPC title

• G01D21/02 Primary

  Measuring two or more variables by means not covered by a single other subclass · CPC title

• G01D21/00 Primary

  Measuring or testing not otherwise provided for · CPC title

• F03D17/00 Primary

  Monitoring or testing of wind motors, e.g. diagnostics (testing during commissioning of wind motors F03D13/30) · CPC title

• F16H63/44

  Signals to the control unit of auxiliary gearing · CPC title