CN209992855U - Electronic hand wheel expansion device based on CAN bus and electronic hand wheel - Google Patents
Electronic hand wheel expansion device based on CAN bus and electronic hand wheel Download PDFInfo
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- CN209992855U CN209992855U CN201921295920.5U CN201921295920U CN209992855U CN 209992855 U CN209992855 U CN 209992855U CN 201921295920 U CN201921295920 U CN 201921295920U CN 209992855 U CN209992855 U CN 209992855U
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Abstract
The utility model provides an electron hand wheel extension fixture and electron hand wheel based on CAN bus, include: the system comprises a micro control unit, a CAN bus interface unit, an encoder interface unit, a shaft selection interface unit and a multiplying power selection interface unit, wherein the micro control unit is respectively connected with the CAN bus interface unit, the encoder interface unit, the shaft selection interface unit and the multiplying power selection interface unit; the CAN bus interface unit is connected with the electronic hand wheel expansion device and the motion control card through a CAN bus; the encoder interface unit is connected with an encoder of the electronic hand wheel; the shaft selection interface unit is connected with a shaft selection switch of the electronic hand wheel; the magnification selection interface unit is connected with a magnification selection switch of the electronic hand wheel; and the micro control unit sends the pulse signal, the shaft selection signal and the magnification selection signal to the motion control card. The utility model discloses the technical problem that the connecting wire of the electron hand wheel that exists is more and the installation and construction degree of difficulty is big among the prior art has been alleviated.
Description
Technical Field
The utility model belongs to the technical field of the digit control machine tool accessory technique and specifically relates to an electron hand wheel extension device and electron hand wheel based on CAN bus is related to.
Background
The interfaces of the electronic hand wheels of the numerical control machine tool in the current market are mostly non-bus type, the wire cores of the connecting wires are very many, the cost of the wires is high, the production difficulty is large, the installation site construction difficulty is large, the interfaces are special, and the expansion is not easy.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an electron hand wheel extension fixture and electron hand wheel based on CAN bus to the connecting wire of the electron hand wheel of digit control machine tool that has existed among the prior art is more and the big technical problem of the electron hand wheel installation construction degree of difficulty is installed.
In a first aspect, an embodiment of the present invention provides an electronic handwheel extension device based on a CAN bus, which is installed on an electronic handwheel, including: the system comprises a micro control unit, a CAN bus interface unit, an encoder interface unit, a shaft selection interface unit and a multiplying power selection interface unit, wherein the micro control unit is respectively connected with the CAN bus interface unit, the encoder interface unit, the shaft selection interface unit and the multiplying power selection interface unit; the CAN bus interface unit is connected with the electronic hand wheel expansion device and the motion control card through a CAN bus; the encoder interface unit is connected with an encoder of the electronic hand wheel and acquires a pulse signal generated by the encoder; the shaft selection interface unit is connected with a shaft selection switch of the electronic hand wheel and acquires a shaft selection signal generated by the shaft selection switch; the magnification selection interface unit is connected with a magnification selection switch of the electronic hand wheel and acquires a magnification selection signal generated by the magnification selection switch; and the micro control unit sends the pulse signal, the shaft selection signal and the multiplying power selection signal to the motion control card.
Further, the electronic handwheel extension device further comprises: the indicating unit is connected with the micro control unit and displays the working mode of the electronic hand wheel, and the working mode comprises any one of the following items: automatic mode, manual mode.
Further, the indicating unit is a light emitting diode indicating lamp.
Further, the number of the light emitting diode indicator lamps is multiple.
Further, the electronic handwheel extension device further comprises: and the power supply module is connected with the micro control unit and provides electric energy for the electronic hand wheel expansion device.
Further, the input voltage of the power supply module is 24V.
Further, the output voltage of the power supply module is 5V and 3.3V.
Further, the model of the micro control unit is: STM32F103C8T 6.
In a second aspect, the embodiment of the present invention further provides an electronic handwheel, including the above first aspect, of the electronic handwheel extension device.
Furthermore, the electronic hand wheel is connected with the motion control card through a CAN bus.
The utility model provides an electron hand wheel extension fixture and electron hand wheel based on CAN bus, wherein, electron hand wheel extension fixture includes: the system comprises a micro control unit, a CAN bus interface unit, an encoder interface unit, a shaft selection interface unit and a multiplying power selection interface unit, wherein the micro control unit is respectively connected with the CAN bus interface unit, the encoder interface unit, the shaft selection interface unit and the multiplying power selection interface unit. The utility model discloses an earlier be connected a plurality of interfaces that correspond on a plurality of wirings of electron hand wheel and the electron hand wheel extension fixture, then recycle the mode that a CAN bus is connected electron hand wheel extension fixture and motion control board, it is more and the big technical problem of the installation degree of difficulty to have alleviated the connecting wire of the electron hand wheel of digit control machine tool that exists among the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an electronic handwheel expansion device based on a CAN bus provided in an embodiment of the present invention;
fig. 2 is a circuit diagram of a CAN bus interface unit according to an embodiment of the present invention;
fig. 3 is a circuit diagram of an encoder interface unit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of an axle selection interface unit according to an embodiment of the present invention;
fig. 5 is a circuit diagram of a magnification selection interface unit according to an embodiment of the present invention;
fig. 6 is a circuit diagram of a micro control unit according to an embodiment of the present invention;
fig. 7 is a schematic view of another electronic handwheel expansion device based on a CAN bus according to an embodiment of the present invention;
fig. 8 is a circuit diagram of an indicating unit according to an embodiment of the present invention;
fig. 9 is a circuit diagram of a power module according to an embodiment of the present invention.
Icon:
10-a micro control unit; 20-CAN bus interface unit; 30-an encoder interface unit; 40-selecting an interface unit; 50-magnification selection interface unit; 60-an indication unit; 70-power supply module.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 is according to the utility model provides a schematic diagram of an electron hand wheel extension fixture based on CAN bus, the device install on electron hand wheel, specifically include: the system comprises a micro control unit 10, a CAN bus interface unit 20, an encoder interface unit 30, a shaft selection interface unit 40 and a multiplying power selection interface unit 50, wherein the micro control unit 10 is respectively connected with the CAN bus interface unit 20, the encoder interface unit 30, the shaft selection interface unit 40 and the multiplying power selection interface unit 50.
Specifically, the CAN bus interface unit 20 is connected to the electronic handwheel expansion device and the motion control card through a CAN bus. Fig. 2 is a circuit diagram of a CAN bus interface unit according to an embodiment of the present invention.
The encoder interface unit 30 is connected to an encoder of the electronic handwheel, and acquires a pulse signal generated by the encoder. Fig. 3 is a circuit diagram of an encoder interface unit according to an embodiment of the present invention.
The shaft selection interface unit 40 is connected with a shaft selection switch of the electronic hand wheel and acquires a shaft selection signal generated by the shaft selection switch. Fig. 4 is a circuit diagram of an axis selection interface unit according to an embodiment of the present invention.
The magnification selection interface unit 50 is connected to a magnification selection switch of the electronic handwheel, and acquires a magnification selection signal generated by the magnification selection switch. Fig. 5 is a circuit diagram of a magnification selection interface unit according to an embodiment of the present invention.
The micro control unit 10 sends the pulse signal, the axis selection signal and the magnification selection signal to the motion control card. Fig. 6 is a circuit diagram of a micro control unit according to an embodiment of the present invention.
Optionally, in an embodiment of the present invention, the model of the micro control unit is STM32F103C8T 6.
The embodiment of the utility model provides an electron hand wheel extension fixture and electron hand wheel based on CAN bus, wherein, electron hand wheel extension fixture includes: the system comprises a micro control unit, a CAN bus interface unit, an encoder interface unit, a shaft selection interface unit and a multiplying power selection interface unit, wherein the micro control unit is respectively connected with the CAN bus interface unit, the encoder interface unit, the shaft selection interface unit and the multiplying power selection interface unit. The utility model discloses an earlier be connected a plurality of interfaces that correspond on a plurality of wirings of electron hand wheel and the electron hand wheel extension fixture, then recycle the mode that a CAN bus is connected electron hand wheel extension fixture and motion control board, it is more and the big technical problem of the installation degree of difficulty to have alleviated the connecting wire of the electron hand wheel of digit control machine tool that exists among the prior art.
Optionally, fig. 7 is another electronic handwheel extension device based on a CAN bus according to the present invention, as shown in fig. 7, the electronic handwheel extension device further includes: an indication unit 60, wherein the indication unit 60 is connected to the micro control unit 10, and is configured to display a working mode of the electronic handwheel, and the working mode includes any one of the following: automatic mode, manual mode.
Optionally, the indication unit 60 is a light emitting diode indicator lamp.
Optionally, the number of the light emitting diode indicator lamps is plural.
Optionally, the light emitting diode indicator light may also be used to indicate the power switch status of the electronic handwheel.
Fig. 8 is a circuit diagram of an indicating unit according to an embodiment of the present invention.
Optionally, as shown in fig. 7, the electronic handwheel expanding device further includes: and a power module 70, wherein the power module 70 is connected with the micro control unit 10 and is used for providing electric energy for the electronic handwheel expansion device.
Optionally, the input voltage of the power module 70 is 24V; the output voltage of the power module 70 is 5V and 3.3V. Specifically, the power module 70 includes a power conversion circuit, which can convert a 24V input voltage into 5V and 3.3V output voltages to meet the voltage requirements of different circuits. Fig. 9 is a circuit diagram of a power module according to an embodiment of the present invention.
Can know by the above description, the embodiment of the utility model provides an electron hand wheel extension device based on CAN bus adopts CAN bus interface unit, CAN conveniently couple with the motion control card of taking the CAN bus, like this, has not only practiced thrift the cost of communication wire rod, also CAN save constructor's wiring time simultaneously, the utility model has the advantages of with low costs, the interference killing feature is strong, scalability is strong. The utility model discloses the technical problem that the connecting wire of the electron hand wheel of digit control machine tool that exists among the prior art is more and the installation and construction degree of difficulty is big has been alleviated.
The utility model also provides an electron hand wheel, including above-mentioned electron hand wheel extension device. The electronic hand wheel expansion device is arranged on the electronic hand wheel, so that the electronic hand wheel is connected with the motion control card through the CAN bus. Therefore, the electronic hand wheel CAN be accessed into the numerical control system through the CAN bus, the construction difficulty in the process of accessing the electronic hand wheel into the numerical control system is reduced, and the expansibility of the electronic hand wheel is improved because the access interface of the electronic hand wheel does not monopolize the communication interface of the motion control card.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an electron hand wheel extension device based on CAN bus which characterized in that installs on electron hand wheel, includes: the system comprises a micro control unit, a CAN bus interface unit, an encoder interface unit, a shaft selection interface unit and a multiplying power selection interface unit, wherein the micro control unit is respectively connected with the CAN bus interface unit, the encoder interface unit, the shaft selection interface unit and the multiplying power selection interface unit;
the CAN bus interface unit is connected with the electronic hand wheel expansion device and the motion control card through a CAN bus;
the encoder interface unit is connected with an encoder of the electronic hand wheel and acquires a pulse signal generated by the encoder;
the shaft selection interface unit is connected with a shaft selection switch of the electronic hand wheel and acquires a shaft selection signal generated by the shaft selection switch;
the magnification selection interface unit is connected with a magnification selection switch of the electronic hand wheel and acquires a magnification selection signal generated by the magnification selection switch;
and the micro control unit sends the pulse signal, the shaft selection signal and the multiplying power selection signal to the motion control card.
2. The electronic handwheel expansion device of claim 1, further comprising: the indicating unit is connected with the micro control unit and displays the working mode of the electronic hand wheel, and the working mode comprises any one of the following items: automatic mode, manual mode.
3. The electronic handwheel extension device of claim 2, wherein the indicating unit is a light emitting diode indicator light.
4. The electronic handwheel extension device of claim 3, wherein the number of light emitting diode indicators is plural.
5. The electronic handwheel expansion device of claim 1, further comprising: and the power supply module is connected with the micro control unit and provides electric energy for the electronic hand wheel expansion device.
6. The electronic handwheel expansion device of claim 5, wherein the input voltage of the power module is 24V.
7. The electronic handwheel expansion device of claim 5, wherein the output voltage of the power module is 5V and 3.3V.
8. The electronic hand wheel expansion device of claim 1, wherein the micro control unit is of the type: STM32F103C8T 6.
9. An electronic handwheel comprising the electronic handwheel expansion device of claim 1.
10. The electronic handwheel of claim 9, wherein the electronic handwheel is connected to a motion control card via a CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295920.5U CN209992855U (en) | 2019-08-09 | 2019-08-09 | Electronic hand wheel expansion device based on CAN bus and electronic hand wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295920.5U CN209992855U (en) | 2019-08-09 | 2019-08-09 | Electronic hand wheel expansion device based on CAN bus and electronic hand wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209992855U true CN209992855U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921295920.5U Active CN209992855U (en) | 2019-08-09 | 2019-08-09 | Electronic hand wheel expansion device based on CAN bus and electronic hand wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209992855U (en) |
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2019
- 2019-08-09 CN CN201921295920.5U patent/CN209992855U/en active Active
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