CN212722932U - Universal shaft speed measuring device based on 3D printing and single chip microcomputer - Google Patents
Universal shaft speed measuring device based on 3D printing and single chip microcomputer Download PDFInfo
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- CN212722932U CN212722932U CN202022000704.2U CN202022000704U CN212722932U CN 212722932 U CN212722932 U CN 212722932U CN 202022000704 U CN202022000704 U CN 202022000704U CN 212722932 U CN212722932 U CN 212722932U
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Abstract
The utility model provides a universal shaft speed measuring device based on 3D printing and a single chip microcomputer, which comprises a shaft connecting component, a photoelectric sensor, the single chip microcomputer and a speed measuring instrument; the shaft connecting assembly comprises a strong magnetic motor shaft connecting piece and a coded disc mounting piece, the coded disc mounting piece comprises a coded disc mounting shaft, one end of the coded disc mounting shaft is provided with a threaded shaft, the coded disc mounting shaft is provided with a bearing, the threaded shaft, the coded disc mounting shaft and the bearing are 3D integrated printing pieces, a coded disc is arranged on an inner ring of the bearing, an outer ring of the bearing is fixedly connected with a shell, and the photoelectric sensor is arranged in the shell; the photoelectric sensor is used for detecting the code disc rotation signal; the singlechip is used for converting and processing a detection signal of the photoelectric sensor and then supplying the detection signal to the velocimeter; the velocimeter is used for carrying out the axle speed according to singlechip output signal and detects. The utility model discloses plug and play guarantees promptly to the stable detection of equipment axle, again can the simultaneous control detect the cost.
Description
Technical Field
The utility model belongs to the technical field of check out test set, concretely relates to universal axle speed sensor based on 3D prints and singlechip.
Background
The speed detection of the equipment shaft is an important means for detecting whether the equipment normally operates or not and timely powering off the equipment when a fault occurs. At present, 2 speed measurement modes are generally adopted, one mode is that a proximity switch is adopted to detect a detection point on a shaft, an IO signal enters a PLC or a speed measurement instrument to realize speed measurement, and after long-term use, the speed measurement is easily influenced by vibration, so that the distance exceeds the detection distance of the proximity switch, the speed measurement is failed, frequent maintenance and overhaul are needed, and the operation is troublesome; the utility model provides an adopt encoder and axle lug connection, the axle rotates and drives the encoder and rotate and realize testing the speed, and this mode is suitable for the installation occasion less, and the equipment need draw the axle that tests the speed alone, and because encoder pulse frequency is general very high, the PLC and the speed meter performance that correspond all have the requirement, lead to the combined cost very high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a universal shaft speed sensor based on 3D prints and singlechip, plug-and-play promptly guarantees the stable detection to the equipment axle promptly, again can the simultaneous control detect the cost.
The utility model provides a following technical scheme:
a universal shaft speed measuring device based on 3D printing and a single chip microcomputer comprises a shaft connecting assembly, a photoelectric sensor, the single chip microcomputer and a speedometer;
the shaft connecting assembly comprises a strong magnetic motor shaft connecting piece and a coded disc mounting piece, the strong magnetic motor shaft connecting piece is used for being adsorbed on the tail end of a motor shaft, the coded disc mounting piece comprises a coded disc mounting shaft, a threaded shaft is arranged at one end of the coded disc mounting shaft and is in threaded connection with the strong magnetic motor shaft connecting piece, a bearing is arranged on the coded disc mounting shaft, the threaded shaft, the coded disc mounting shaft and the bearing are 3D integrated printing pieces, a coded disc is arranged on an inner ring of the bearing, a shell is fixedly connected to an outer ring of the bearing, the photoelectric sensor is arranged in the shell, and the coded disc penetrates through;
the photoelectric sensor is used for detecting the code disc rotation signal and outputting the code disc rotation signal to the single chip microcomputer;
the singlechip is used for converting and processing the detection signal of the photoelectric sensor and then supplying the detection signal to the velocimeter;
and the velometer is used for detecting the shaft speed according to the output signal of the singlechip.
Preferably, a strong magnetic ring is arranged in the strong magnetic motor shaft connecting piece, the strong magnetic motor shaft connecting piece is adsorbed at the tail end of the motor shaft through the strong magnetic ring, an inner threaded hole is formed in the strong magnetic motor shaft connecting piece, and the threaded shaft is in threaded connection with the inner threaded hole.
Preferably, the code disc is a 3D printing code disc.
Preferably, the photoelectric sensor is a photoelectric correlation type sensor.
Preferably, the velocimeter is further connected with a display.
The utility model has the advantages that: the invention is provided with the high-magnetism on-line assembly, so that the punching-free installation of the shaft and the speed measuring device is realized; according to the invention, through a 3D printing technology, the connecting and mounting device can be directly printed aiming at different equipment and spaces, and is adaptive to various equipment and motor shafts, so that the optimal mounting of a speed measuring sensor is ensured; the invention has a stable and reliable photoelectric detection device, and ensures the accuracy of speed measurement; the sensor part of the invention is developed based on a single chip microcomputer, the cost is greatly reduced compared with that of an encoder, the sensor can be seamlessly butted to a PLC or a speed measuring instrument without debugging, and the sensor is simply and conveniently accessed to the original control system.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the shaft connecting assembly of the present invention;
FIG. 3 is a schematic view of the strong magnetic ring structure of the present invention;
fig. 4 is a front view of the shaft connecting assembly of the present invention;
labeled as: 1. a strong magnetic motor shaft connecting piece; 11. a ferromagnetic ring; 12. an inner threaded hole; 2. a coded disc mounting shaft; 21. a threaded shaft; 3. code disc; 4. a bearing; 5. a housing; 6. a photoelectric sensor.
Detailed Description
As shown in fig. 1-4, a universal shaft speed measuring device based on 3D printing and a single chip microcomputer includes a shaft connecting assembly, a photoelectric sensor, a single chip microcomputer, and a speedometer; shaft connecting assembly includes strong magnetic motor shaft connecting piece 1 and code wheel installed part, strong magnetic motor shaft connecting piece 1 is used for adsorbing in the motor shaft tail end, the code wheel installed part includes code wheel installation axle 2, code wheel installation axle 2 one end is equipped with threaded shaft 21, threaded shaft 21 and 1 threaded connection of strong magnetic motor shaft connecting piece, be equipped with strong magnetic ring 11 in the strong magnetic motor shaft connecting piece 1, strong magnetic motor shaft connecting piece 1 adsorbs in the motor shaft tail end through strong magnetic ring 11, be equipped with interior screw hole 12 on the strong magnetic motor shaft connecting piece 1, threaded shaft 21 and 11 threaded connection of interior screw hole. The code wheel mounting shaft 2 is provided with a bearing 4, the threaded shaft 21, the code wheel mounting shaft 2 and the bearing 4 are 3D integrated printing pieces, the inner ring of the bearing 4 is provided with a code wheel 3, the outer ring of the bearing 4 is fixedly connected with a shell 5, a photoelectric sensor 6 is arranged in the shell 5, the code wheel 3 penetrates through the photoelectric sensor 6, and the photoelectric sensor 3 is a photoelectric correlation sensor; the photoelectric sensor 6 is used for detecting the rotation signal of the code wheel 3 and outputting the rotation signal to the singlechip; the singlechip is used for converting the detection signal of the photoelectric sensor 6 and then supplying the converted detection signal to the velocimeter; and the velocimeter is used for detecting the shaft speed according to the output signal of the singlechip. Furthermore, the code wheel 3 is a 3D printing code wheel, the number of grids of the code wheel can be changed randomly according to actual requirements, and the code wheel can be directly printed and assembled. The velocimeter is also connected with a display for displaying the measured rotating speed.
As shown in figures 1-4, a 3D printing and singlechip-based universal shaft speed measuring device is in use, during operation, strong magnetic motor shaft connecting piece 1 is connected with a measured shaft, 3D printing connecting components are threaded shafts 21, coded disc mounting shaft 2 and bearing 4 are in threaded connection with high strong magnetic motor shaft connecting piece 1, inner ring of bearing 4 is connected with coded disc 3, outer ring of bearing 4 is connected with shell 5, shell 5 is affected by dead weight and fixing band and keeps still, coded disc 3 rotates along with inner ring of bearing 4 to transmit shaft rotation to coded disc 3, photoelectric sensor 6 detects coded disc signal 3, through singlechip operational amplifier module, the singlechip can select STM32F103C8T6 chip, output pulse signal is supplied for PLC or speed measuring instrument. The speed measurement principle of the photoelectric sensor 6 is as follows: when the lightproof object blocks the gap between the transmitting and receiving, the switch tube is switched off, otherwise, the switch tube is switched on, so that when the code disc 3 rotates and passes through the photoelectric sensor 6, a pulse signal is generated, and when the number of blades is large, a plurality of pulse signals can be obtained by rotating one circle.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A universal shaft speed measuring device based on 3D printing and a single chip microcomputer is characterized by comprising a shaft connecting assembly, a photoelectric sensor, the single chip microcomputer and a speedometer;
the shaft connecting assembly comprises a strong magnetic motor shaft connecting piece and a coded disc mounting piece, the strong magnetic motor shaft connecting piece is used for being adsorbed on the tail end of a motor shaft, the coded disc mounting piece comprises a coded disc mounting shaft, a threaded shaft is arranged at one end of the coded disc mounting shaft and is in threaded connection with the strong magnetic motor shaft connecting piece, a bearing is arranged on the coded disc mounting shaft, the threaded shaft, the coded disc mounting shaft and the bearing are 3D integrated printing pieces, a coded disc is arranged on an inner ring of the bearing, a shell is fixedly connected to an outer ring of the bearing, the photoelectric sensor is arranged in the shell, and the coded disc penetrates through;
the photoelectric sensor is used for detecting the code disc rotation signal and outputting the code disc rotation signal to the single chip microcomputer;
the singlechip is used for converting and processing the detection signal of the photoelectric sensor and then supplying the detection signal to the velocimeter;
and the velometer is used for detecting the shaft speed according to the output signal of the singlechip.
2. The universal shaft speed measuring device based on 3D printing and single chip microcomputer as claimed in claim 1, wherein a strong magnetic ring is arranged in the strong magnetic motor shaft connecting piece, the strong magnetic motor shaft connecting piece is attached to the tail end of the motor shaft through the strong magnetic ring, an inner threaded hole is arranged on the strong magnetic motor shaft connecting piece, and the threaded shaft is in threaded connection with the inner threaded hole.
3. The universal shaft speed measuring device based on 3D printing and the single chip microcomputer according to claim 1, wherein the code disc is a 3D printing code disc.
4. The universal shaft speed measuring device based on the 3D printing and the single chip microcomputer according to claim 1, wherein the photoelectric sensor is a photoelectric correlation sensor.
5. The universal shaft speed measuring device based on the 3D printing and the single chip microcomputer according to claim 1, wherein the speedometer is further connected with a display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000704.2U CN212722932U (en) | 2020-09-14 | 2020-09-14 | Universal shaft speed measuring device based on 3D printing and single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000704.2U CN212722932U (en) | 2020-09-14 | 2020-09-14 | Universal shaft speed measuring device based on 3D printing and single chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722932U true CN212722932U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022000704.2U Active CN212722932U (en) | 2020-09-14 | 2020-09-14 | Universal shaft speed measuring device based on 3D printing and single chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722932U (en) |
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2020
- 2020-09-14 CN CN202022000704.2U patent/CN212722932U/en active Active
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