Hub unit
A hub unit including an end cap for preloading and retaining a bearing unit on an axle. The end cap is provided with a sensor unit for detecting at least one of vibrations and temperature of the bearing unit.
1. A hub unit including:
an end cap for preloading and retaining a bearing unit on an axle,
wherein the end cap is provided with a sensor unit for detecting at least one of vibrations and temperature of the bearing unit, the sensor unit having an arched shape formed in a radial direction of the end cap, the sensor unit being located proximate an annular edge of the end cap.
2. The hub unit according to claim 1 , the sensor unit further comprising a wireless transmitter for sending the data acquired by the sensor unit.
3. The hub unit according to claim 2 , further comprising a cover plate having a through hole,
wherein at least an antenna portion of the transmitter unit protrudes through the through hole over the cover plate.
4. The hub unit according to claim 1 , the end cap further comprising a pocket accommodating the sensor unit,
wherein the pocket is covered by at least one cover plate.
5. The hub unit according to claim 4 , wherein the pocket is formed as an annular recess arranged concentrically with respect a rotation axis of the bearing unit.
6. The hub unit according to claim 1 , the sensor unit further comprising an overall arc-shaped sealed housing and with a circuit board arranged within the housing.
7. The hub unit according to claim 1 , the sensor unit further comprising at least one acoustic emission sensor.
8. The hub unit according to claim 1 , the sensor unit further comprising at least one gyro sensor.
9. A controller suitable for reading out data acquired by a sensor unit of a hub unit,
the hub unit comprising:
an end cap for preloading and retaining a bearing unit on an axle,
wherein the end cap is provided with a sensor unit for detecting at least one of vibrations and temperature of the bearing unit, the sensor unit having an arched shape formed in a radial direction of the end cap, the sensor unit being located proximate an annular edge of the end cap,
wherein the controller is configured to generate at least one of a status information and warning signals based on the detection results obtained from the sensor unit.
10. A hub unit including:
an end cap for preloading and retaining a bearing unit on an axle; and
a circuit board including multiple circuit board segments, the multiple circuit board segments being pivotably connected to one another by a flexible element,
wherein the end cap is provided with a sensor unit for detecting at least one of vibrations and temperature of the bearing unit.
11. The hub unit according to claim 10 , a wiring side of at least one of the multiple parts of the circuit board is oriented in a direction essentially opposite to a direction in which at least one neighboring part of the circuit board is oriented.
12. The hub unit according to claim 10 , the sensor unit further comprising a wireless transmitter for sending the data acquired by the sensor unit.
13. The hub unit according to claim 12 , further comprising a cover plate having a through hole,
wherein at least an antenna portion of the transmitter unit protrudes through the through hole over the cover plate.
14. The hub unit according to claim 10 , the end cap further comprising a pocket accommodating the sensor unit,
wherein the pocket is covered by at least one cover plate.
15. The hub unit according to claim 14 , wherein the pocket is formed as an annular recess arranged concentrically with respect a rotation axis of the bearing unit.
16. The hub unit according to claim 10 , the sensor unit further comprising an overall arc-shaped sealed housing and with the circuit board arranged within the housing.
17. The hub unit according to claim 10 , the sensor unit further comprising at least one acoustic emission sensor.
18. The hub unit according to claim 10 , the sensor unit further comprising at least one gyro sensor.