Tire information acquisition device
A tire information acquisition device includes: a sensor unit including a sensor configured to acquire tire information; a sensor holder formed in a cylindrical shape holding the sensor unit, and composed of a non-metallic material having flexibility and air permeability; and a band having a band circumferential length adjustable by a fastening portion provided at one end and configured to reversibly fasten an other end, and the band is fastened to a rim in a state where the band is inserted into the sensor holder.
1. A tire information acquisition device, comprising:
a sensor unit comprising a sensor configured to acquire tire information;
a sensor holder formed in a cylindrical shape holding the sensor unit, and composed of a non-metallic material having flexibility and air permeability; and
a band having a band circumferential length adjustable by a fastening portion provided at one end and configured to reversibly fasten an other end;
the band being fastened to a rim in a state where the band is inserted into the sensor holder.
2. The tire information acquisition device according to claim 1 , wherein a width of the band is from 5 mm to 50 mm.
3. The tire information acquisition device according to claim 2 , wherein a band length of the band in a state where the band is not attached to the rim is in a range of from 1800 mm to 2500 mm, and the other end of the band comprises a structure capable of being cut.
4. The tire information acquisition device according to claim 3 , wherein the sensor unit is disposed between the band and the rim.
5. The tire information acquisition device according to claim 4 , wherein the band has air permeability.
6. The tire information acquisition device according to claim 5 , wherein
a circumferential length of at least one opening of the sensor holder is from 120% to 200% of a circumferential length of the sensor unit as viewed from a direction in which a minimum projected area of the sensor unit is obtained, and
a length in an extending direction of the sensor holder is from 150% to 500% of a maximum length of the sensor unit.
7. The tire information acquisition device according to claim 5 , wherein
the sensor holder is stretchable,
a circumferential length of at least one opening of the sensor holder is from 20% to 90% of a circumferential length of the sensor unit as viewed from a direction in which a minimum projected area of the sensor unit is obtained, and
a length in an extending direction of the sensor holder is from 150% to 500% of a maximum length of the sensor unit.
8. The tire information acquisition device according to claim 5 , wherein the sensor holder comprises a fastener portion mechanically engageable, and the fastener portion is disposed in contact with the rim.
9. The tire information acquisition device according to claim 8 , wherein the band comprises a band body and the fastening portion, and at least a portion of the band body and the fastening portion in contact with the rim is made of a non-metallic material.
10. The tire information acquisition device according to claim 1 , wherein a band length of the band in a state where the band is not attached to the rim is in a range of from 1800 mm to 2500 mm, and the other end of the band comprises a structure capable of being cut.
11. The tire information acquisition device according to claim 1 , wherein the sensor unit is disposed between the band and the rim.
12. The tire information acquisition device according to claim 1 , wherein the band has air permeability.
13. The tire information acquisition device according to claim 1 , wherein
a circumferential length of at least one opening of the sensor holder is from 120% to 200% of a circumferential length of the sensor unit as viewed from a direction in which a minimum projected area of the sensor unit is obtained, and
a length in an extending direction of the sensor holder is from 150% to 500% of a maximum length of the sensor unit.
14. The tire information acquisition device according to claim 1 , wherein
the sensor holder is stretchable,
a circumferential length of at least one opening of the sensor holder is from 20% to 90% of a circumferential length of the sensor unit as viewed from a direction in which a minimum projected area of the sensor unit is obtained, and
a length in an extending direction of the sensor holder is from 150% to 500% of a maximum length of the sensor unit.
15. The tire information acquisition device according to claim 1 , wherein the sensor holder comprises a fastener portion mechanically engageable, and the fastener portion is disposed in contact with the rim.
16. The tire information acquisition device according to claim 1 , wherein the band comprises a band body and the fastening portion, and at least a portion of the band body and the fastening portion in contact with the rim is made of a non-metallic material.