Belt sensor system
A belt sensor system comprising a first IR sensor disposed adjacent to a belt to detect a belt surface proximity and to generate a first signal therefore, a second IR sensor disposed adjacent to a belt to detect a periodic signal from a second belt surface and to generate a second signal therefore, a signal processor operating on the first signal and second signal to calculate a dynamic belt tension, and displaying the dynamic belt tension on a GUI.
1. A belt sensor system comprising:
a first infra-red sensor disposed adjacent to a belt detecting a belt surface proximity and generating a first signal therefore;
a second infra-red sensor disposed adjacent to a belt detecting a periodic signal from a second belt surface and generating a second signal therefore;
a signal processor operating on the first signal and second signal to calculate a dynamic belt tension using the equation:
T
:=
μ
·
(
f
·
2
L
n
)
2
Where T=belt tension
f=frequency
n=mode or harmonic number
L=length of span
μ=linear density;
and a GUI for displaying the dynamic belt tension.
2. The belt sensor system as in claim 1 , wherein the belt comprises a toothed belt.
3. The belt sensor system as in claim 2 , wherein the second infra-red sensor detects a toothed surface of the belt.
4. The belt sensor system as in claim 3 , wherein the first infra-red sensor detects variable proximity of a belt surface opposite the toothed surface.
5. A belt sensor system comprising:
a first high accuracy, fast-sampling, non-contact sensor disposed adjacent to a belt detecting a first belt surface proximity and generating an analog signal therefore;
a second high accuracy, fast-sampling, non-contact sensor disposed adjacent to a belt detecting a second belt surface proximity and generating a digital signal therefore;
a signal processor operating on the analog signal and the digital signal to calculate a dynamic belt tension using the equation:
T
:=
μ
·
(
f
·
2
L
n
)
2
Where T=belt tension
f=frequency
n=mode or harmonic number
L=length of span
μ=linear density;
and storing the dynamic belt tension for use by a user; and
a GUI for displaying the dynamic belt tension.
6. A belt sensor system comprising:
a first sensor disposed adjacent to a belt detecting a belt surface proximity and generating an analog signal therefore;
a second sensor disposed adjacent to a belt detecting a periodic signal from a second belt surface and generating a digital signal therefore;
a signal processor operating on the analog signal and the digital signal to calculate a dynamic belt tension using the equation:
T
:=
μ
·
(
f
·
2
L
n
)
2
Where T=belt tension
f=frequency
n=mode or harmonic number
L=length of span
μ=linear density;
and storing the dynamic belt tension for use by a user; and
a GUI for displaying the dynamic belt tension.
7. The belt sensor system as in claim 6 , wherein the first sensor is an infra-red sensor.
8. The belt sensor system as in claim 6 , wherein the second sensor is an infra-red sensor.
9. A belt sensor system comprising;
a sensor array detecting a toothed belt and generating a first signal from a back side of the belt and a second signal from a tooth side of a belt;
a signal processor operating on the first signal and the second signal to calculate a dynamic belt tension;
a memory for storing the dynamic belt tension; and
a GUI for displaying the dynamic belt tension.
10. The belt sensor system as in claim 9 , wherein the first is used to determine a belt vibration and the second signal is used to determine a belt velocity.
11. The belt sensor system as in claim 9 , wherein the first signal is generated by an IR sensor.
12. The belt sensor system as in claim 9 , wherein the second signal is generated by an IR sensor.
13. The belt sensor system as in claim 9 , wherein the first signal and the second signal are generated by laser sensors.
14. The belt sensor system as in claim 2 , wherein the sensors are focused at opposing surfaces of the toothed belt, at or near the belt centerline equidistant between two drive pulleys.
15. The belt sensor system as in claim 4 , wherein the first sensor and the second sensor are laser sensors.