CN114252186A - Relative torsion angle measuring device based on timestamp - Google Patents
Relative torsion angle measuring device based on timestamp Download PDFInfo
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- CN114252186A CN114252186A CN202111503034.9A CN202111503034A CN114252186A CN 114252186 A CN114252186 A CN 114252186A CN 202111503034 A CN202111503034 A CN 202111503034A CN 114252186 A CN114252186 A CN 114252186A
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- Prior art keywords
- torsion angle
- control module
- relative torsion
- speed sensor
- angle measuring
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- 238000005259 measurement Methods 0.000 abstract description 3
- 238000009827 uniform distribution Methods 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention provides a relative torsion angle measuring device based on a timestamp, which comprises a PLC control module and a rotating speed sensor, wherein the PLC control module is connected with the rotating speed sensor; and the PLC control module is connected with the rotating speed sensor. The invention can realize the phase difference measurement function integrated in the product and can be expanded into a control system to realize uniform distribution of the meshing position or fixed meshing position. The invention is simple and reliable, and the precision meets the conventional requirements.
Description
Technical Field
The invention relates to the field of relative torsion angle measurement, in particular to a relative torsion angle measuring device based on a timestamp.
Background
The relative torsion angles of the two rotating shafts need to be measured on line in real time in synchronous clutches and other requirements needing to obtain the relative torsion angles of the two rotating shafts, and then the relative torsion angles are integrated in products and used for control purposes, such as uniformly distributing the utilization rate of each meshing position to prolong the service life or fixing the meshing position to obtain the optimal dynamic balance effect and the like.
At present, the measurement means adopts an oscilloscope or a computer and the like, and can not be integrated in products and control systems.
Disclosure of Invention
The invention aims to solve the problem that the relative torsion angle measuring device based on the time stamp cannot be integrated in a product and a control system for measuring the relative torsion angles of two rotating shafts.
A relative torsion angle measuring device for a time stamp comprises a PLC control module and a rotating speed sensor; and the PLC control module is connected with the rotating speed sensor.
Further, the PLC control module comprises a Beifu CX2040-0155 controller.
Further, the PLC control module includes an EL1252 module.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the technical scheme of the invention, the phase difference measuring function integrated in a product can be realized and can be expanded into a control system so as to realize uniform distribution of the meshing position or fixed meshing position. The system is simple and reliable, and the precision meets the conventional requirements.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a flowchart of the program operation of the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, the relative torsion angle measuring apparatus based on the timestamp according to the present embodiment integrates a torsion angle measuring function, and implements a relative torsion angle measuring method based on the timestamp, and includes a PLC control module 1 and a rotation speed sensor 2, wherein a signal of the rotation speed sensor 2 enters the PLC control module 1, and the PLC module 1 is configured to complete pulse signal frequency and timestamp acquisition and calculate a timestamp difference value and a rotation speed difference value, so as to calculate a relative torsion angle.
As an embodiment of the present invention, the PLC control module 1 includes a doublefu CX2040-0155 and an EL1252, CX2040-0155 is an acquisition calculation control core of the whole system, the doublefu CX2040-0155 in the PLC control module 1 is used as an acquisition calculation controller, and the EL1252 module in the PLC control module 1 is used as a pulse signal acquisition module to generate a pulse rising edge trigger timestamp. The acquisition of pulse frequency and pulse rising edge time stamps, the calculation of time stamp difference and rotating speed difference and the speed acquisition can be realized, and then the torsion angle is calculated.
As an embodiment of the present invention, the rotation speed sensor 2 generates a pulse signal.
A relative torsion angle measuring device based on time stamp is disclosed, as shown in FIG. 2, the program runs the procedures: after the control system is powered on, the program starts to run:
a timestamp acquisition subroutine: the frequency and rising edge time stamps of the revolution speed sensor 1 and the revolution speed sensor 2 are acquired. The subprogram cycle time is not more than 50 microseconds, the timestamp precision of the EL1252 is 1 nanosecond, and the distributed clock precision is 1 microsecond;
a time difference calculation subroutine: calculating the time stamp difference between the rotating speed sensor 1 and the rotating speed sensor 2;
③ a slip calculation subroutine: calculating the slip of the rotating speed sensor 1 and the rotating speed sensor 2;
fourthly, a torsion angle calculation subroutine: calculating a relative torsion angle through the time difference and the slip;
the above description is only a preferred embodiment of the present invention, and these embodiments are based on different implementations of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A relative torsion angle measuring device based on time stamp is characterized in that: comprises a PLC control module (1) and a rotating speed sensor (2); and the PLC control module (1) is connected with the rotating speed sensor (2).
2. A time stamp-based relative torsion angle measuring apparatus according to claim 1, wherein: the PLC control module (1) comprises a Beifu CX2040-0155 controller.
3. A time stamp-based relative torsion angle measuring apparatus according to claim 1, wherein: the PLC control module (1) comprises an EL1252 module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111503034.9A CN114252186A (en) | 2021-12-09 | 2021-12-09 | Relative torsion angle measuring device based on timestamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111503034.9A CN114252186A (en) | 2021-12-09 | 2021-12-09 | Relative torsion angle measuring device based on timestamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114252186A true CN114252186A (en) | 2022-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111503034.9A Pending CN114252186A (en) | 2021-12-09 | 2021-12-09 | Relative torsion angle measuring device based on timestamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114252186A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124388A (en) * | 2004-11-16 | 2008-02-13 | 谢夫勒两合公司 | Process for adjusting the angular position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft |
| CN103940398A (en) * | 2014-03-17 | 2014-07-23 | 中联重科股份有限公司 | Rotation angle measuring method, device and system and engineering machinery |
| CN109458956A (en) * | 2018-12-06 | 2019-03-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of torsion angle measuring device and method using polarization theory |
-
2021
- 2021-12-09 CN CN202111503034.9A patent/CN114252186A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124388A (en) * | 2004-11-16 | 2008-02-13 | 谢夫勒两合公司 | Process for adjusting the angular position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft |
| CN103940398A (en) * | 2014-03-17 | 2014-07-23 | 中联重科股份有限公司 | Rotation angle measuring method, device and system and engineering machinery |
| CN109458956A (en) * | 2018-12-06 | 2019-03-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of torsion angle measuring device and method using polarization theory |
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