CN219392502U - Laser processing control system based on CAN bus - Google Patents
Laser processing control system based on CAN bus Download PDFInfo
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- CN219392502U CN219392502U CN202320456818.9U CN202320456818U CN219392502U CN 219392502 U CN219392502 U CN 219392502U CN 202320456818 U CN202320456818 U CN 202320456818U CN 219392502 U CN219392502 U CN 219392502U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The application provides a laser processing control system based on a CAN bus, which comprises the CAN bus, a main control module, a laser processing head, a vibrating mirror motor slave control module and a monitoring slave control module, wherein the main control module is positioned beside the laser and is connected with a hard wire interface of the laser, and the main control module is connected with the CAN bus and controls the laser; the slave control module of the galvanometer motor is connected with the CAN bus and is connected with the galvanometer motor of the laser processing head in a signal manner and used for controlling the galvanometer motor; the monitoring slave control module is connected to the CAN bus and used for detecting the running condition of the laser processing head in real time and transmitting monitoring information through the CAN bus. The layout of the CAN bus not only realizes remote data transmission, but also simplifies the on-site wiring structure, realizes distributed integration through the CAN bus, CAN flexibly mount newly-added equipment, and has good expandability.
Description
Technical Field
The application belongs to the technical field of lasers, and particularly relates to a laser processing control system based on a CAN (controller area network) bus.
Background
With the development of fiber lasers, fiber lasers are widely applied to laser cleaning, laser welding and the like, but the lasers and laser processing equipment adopt a communication interface and a hard wire control mode, and analog signals generated by all functional modules in the laser cleaning equipment limit the difficulty in remote data transmission between the laser processing equipment and the lasers, so that the physical distance between the laser processing equipment and the lasers can be shortened, and on-site wiring is complex. In addition, when an existing control system adds a new function, the equipment must be rebuilt, and the expandability of the control system is poor.
Disclosure of Invention
The embodiment of the application provides a laser processing control system based on a CAN bus, which aims to solve the problems that the existing laser processing head and a laser cannot be transmitted remotely and the expandability of the control system is poor.
In a first aspect, an embodiment of the present application provides a laser processing control system based on a CAN bus, including a CAN bus, a master control module, a laser processing head, a galvanometer motor slave control module and a monitoring slave control module;
the main control module is positioned beside the laser, is connected with a hard wire interface of the laser, is connected to the CAN bus and controls the laser;
the vibrating mirror motor slave control module is connected to the CAN bus and is connected with the vibrating mirror motor of the laser processing head in a signal manner and used for controlling the vibrating mirror motor;
the monitoring slave control module is connected to the CAN bus and used for detecting the running condition of the laser processing head in real time to obtain monitoring information and transmitting the monitoring information through the CAN bus.
Optionally, the galvanometer motor slave control module includes: the device comprises a first multipoint control unit, a first CAN transceiver and a galvanometer motor driver, wherein the first CAN transceiver and the galvanometer motor driver are respectively and electrically connected with the first multipoint control unit, and the first CAN transceiver is electrically connected with a CAN bus.
Optionally, the secondary control module of the galvanometer motor further comprises a first storage device unit, and the first storage device unit is electrically connected with the first multipoint control unit.
Optionally, the secondary control module of the galvanometer motor further comprises a first storage database, and the first storage database is connected with the first multipoint control unit in a network manner.
Optionally, the monitoring slave module includes: the system comprises a second multipoint control unit, a second CAN transceiver and a plurality of sensors, wherein the second CAN transceiver is electrically connected with the second multipoint control unit, the plurality of sensors are in signal connection with the second multipoint control unit, and the second CAN transceiver is electrically connected with a CAN bus.
Optionally, the monitoring slave control module further includes a second storage device unit, and the second storage device unit is electrically connected with the second multipoint control unit.
Optionally, the monitoring slave control module further includes a second storage database, and the second storage database is connected with the second multipoint control unit in a network manner.
Optionally, the sensor may be at least one of a temperature sensor, a humidity sensor, and a photoelectric sensor.
Optionally, the main control module includes a third multipoint control unit, an HMI communication circuit, a laser control circuit, a third CAN transceiver, an interface circuit and an alarm indication circuit, where the laser control circuit, the interface circuit, the alarm indication circuit and the third CAN transceiver are electrically connected with the third multipoint control unit respectively, the third CAN transceiver is electrically connected with the CAN bus, and the laser control circuit is electrically connected with the laser.
Optionally, the system further comprises an upper computer, and the upper computer is connected with the third multipoint control unit through the HMI communication circuit.
According to the laser processing control system based on the CAN bus, the CAN bus is adopted to mount the main control module, the vibrating mirror motor is connected with the auxiliary control module and the monitoring auxiliary control module, the main control module is located beside the laser and connected with the hard wire interface of the laser, the main control module and the laser processing head realize remote transmission through the CAN bus, the problem that the existing laser processing head cannot perform remote transmission and the control system is poor in expandability is solved, the remote data transmission is not only realized by the layout of the CAN bus, the on-site wiring structure is simplified, the distributed integration is realized through the CAN bus, the newly-increased equipment CAN be flexibly mounted, and the expandability is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.
For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.
Fig. 1 is a block diagram of a control system provided in an embodiment of the present application.
Fig. 2 is a block diagram of a galvanometer motor control module in a control system according to an embodiment of the present application.
Fig. 3 is a block diagram of a monitoring slave module in the control system according to the embodiment of the present application.
Fig. 4 is a block diagram of a master control module in a control system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The embodiment of the application provides a laser processing control system based on a CAN bus, which aims to solve the problems that the existing laser processing head and a laser cannot be transmitted remotely and the expandability of the control system is poor.
Referring to fig. 1, fig. 1 is a block diagram of a control system provided in an embodiment of the present application.
A laser processing control system based on a CAN bus comprises the CAN bus, a main control module 1, a laser 5, a laser processing head, a vibrating mirror motor slave control module 2 and a monitoring slave control module 3.
The main control module 1 is located beside the laser 5, the main control module 1 is connected with a hard wire interface of the laser 5, the main control module 1 is connected with a CAN bus and controls the laser 5, the vibrating mirror motor is connected with the CAN bus from the control module 2 and is connected with the vibrating mirror motor 6 of the laser processing head in a signal manner and is used for controlling the vibrating mirror motor 6, the monitoring slave control module 3 is connected with the CAN bus, and the monitoring slave control module 3 is used for detecting the laser processing head in real time to obtain monitoring information and transmitting the monitoring information through the CAN bus.
It CAN be understood that the laser processing head CAN be a laser cleaning head or a laser welding head, in this embodiment, the laser processing head is illustrated by taking the laser welding head as an example, the laser processing head is provided with a shell, a light emitting component, an optical system, the optical system is installed in the shell, the optical system is provided with a vibrating mirror module, a beam combining mirror module, a field mirror module and a reflecting mirror module which are positioned on the same light path, a protecting mirror module is arranged on a light emitting port of the shell, in addition, a water cooling system and an air knife device are also possible, the air knife device cools the laser processing head through the water cooling system, air blows to a protecting mirror of the protecting mirror module, the condition that the protecting mirror absorbs laser burning due to dust deposition is avoided, in this embodiment, monitoring information such as temperature information, humidity information and return light intensity information in the laser processing head CAN be acquired in real time through a monitoring slave control module 3, a vibrating mirror motor obtains monitoring information to a CAN bus through the CAN (controller) and sends vibrating mirror information to the CAN bus, and controls a vibrating mirror motor 6 to act according to monitoring information and processing parameter information, a hard wire control mode is also possible, the master control module 1 is connected with a laser 5 through a hard wire control mode, so that the state of the laser 5 CAN obtain monitoring information and the monitoring information, the vibration mirror CAN also be turned on and the power information CAN be turned off, the laser processing parameter information CAN be controlled and the laser processing information.
In addition, referring to fig. 1 again, the system may further include a plurality of other function slave control modules 4, taking the cleaning focus adjustment to be implemented as an example, the other function slave control modules 4 are connected to the CAN bus, the other function slave control modules 4 are connected to the infrared light measurement module through signals, the infrared light measurement module is used for determining the cleaning focus through the real-time ranging function, and the other function slave control modules 4 are used for controlling the action of the infrared light measurement module and sending ranging data to the CAN bus, so as to implement automatic adjustment of the cleaning focus. Therefore, the quick increase and change of the internal functions of the system can be realized without being limited by the distance limitation of an actual place. The customization can be conveniently realized according to the actual demands of different clients, the redesign of the system is not needed, and the expandability of the control system is strong.
Referring to fig. 2, fig. 2 is a block diagram of a galvanometer motor control module in a control system according to an embodiment of the present application.
In some embodiments, the slave galvanometer motor control module 2 includes a first multipoint control unit 21, a first CAN transceiver 22, and a galvanometer motor driver 23, where a first end of the first CAN transceiver 22 and a first end of the galvanometer motor driver 23 are electrically connected to the first multipoint control unit 21, a second end of the first CAN transceiver 22 is electrically connected to a CAN bus, a second end of the galvanometer motor driver 23 is electrically connected to the galvanometer motor 6, the first CAN transceiver 22 is configured to perform a transceiver operation of a CAN data frame on the CAN bus according to a specified communication protocol to implement data interaction, the galvanometer motor driver 23 is configured to drive the galvanometer motor 6 to move a galvanometer, and the first multipoint control unit 21 is configured to control the galvanometer motor driver 23 to drive the galvanometer to move along a cleaning track.
It can be understood that, because the galvanometer motor 6 outputs continuous triangular wave information, in order to ensure signal accuracy, when a plurality of galvanometer modules are arranged in the laser processing head, the control system is provided with a plurality of galvanometer motor slave control modules 2, and the galvanometer motor slave control modules 2 are in one-to-one correspondence with the galvanometer modules.
In the above embodiment, the galvanometer motor slave module 2 further includes the first storage device unit 24, and the first storage device unit 24 is electrically connected to the first multipoint control unit 21.
It will be appreciated that the first storage device unit 24 is configured to store fixed parameters of the galvanometer motor 6 module, such as fixed parameter time, threshold, protection enable, etc.
In the above embodiment, the slave module 2 for a galvanometer motor further includes a first storage database 25, and the first storage database 25 is connected to the first multipoint control unit 21 through a network.
It will be appreciated that the first memory database 25 is used to store process parameters of the galvanometer motor 6 module, such as laser 5 power, frequency, galvanometer speed, web, etc.
Referring to fig. 3, fig. 3 is a block diagram of a monitoring slave module in the control system according to the embodiment of the present application.
In some embodiments, the monitoring slave control module 3 includes a second multi-point control unit 31, a second CAN transceiver 32 and a plurality of sensors 33, the second CAN transceiver 32 is electrically connected with the second multi-point control unit 31, the plurality of sensors 33 are in signal connection with the second multi-point control unit 31, the second CAN transceiver 32 is electrically connected with the CAN bus, the second CAN transceiver 32 is used for performing the transceiving work of CAN data frames on the CAN bus according to a specified communication protocol so as to realize data interaction, the plurality of sensors 33 are used for acquiring parameters such as temperature, humidity and return light on the laser processing head in real time and sending the parameters to the second multi-point control unit 31, the second multi-point control unit 31 is used for judging the state of the laser processing head according to the parameters acquired by the plurality of sensors 33, when the laser processing head is abnormal, the alarm information is controlled, the alarm information is sent to the CAN bus through the second CAN transceiver 32, the master control module 1 is used for controlling the laser 5 to be turned off according to the alarm information, and the vibrating mirror motor slave control module 2 is used for controlling the vibrating mirror motor 6 to be turned off according to the alarm information.
It CAN be understood that in the embodiment of the application, the state of the laser processing head is detected in real time by the monitoring slave control module 3, and the monitoring information is sent to the master control module 1 and the vibrating mirror motor slave control module 2 in real time by the CAN bus, so that real-time linkage control is realized, and information interaction is timely.
In the above embodiment, the monitoring slave module 3 further includes the second storage device unit 34, and the second storage device unit 34 is electrically connected to the second multipoint control unit 31.
It will be appreciated that the second storage device unit 34 is configured to store fixed parameter information of each sensor 33, such as time, threshold, protection enable, etc.
In the above embodiment, the monitoring slave module 3 further includes a second storage database 35, and the second storage database 35 is network-connected to the second multipoint control unit 31.
It will be appreciated that the second memory database 35 is used to store process parameters for each sensor 33.
In the above embodiment, the sensor 33 may be at least one of the temperature sensor 33, the humidity sensor 33, and the photoelectric sensor 33.
It can be understood that a temperature sensor 33 and a photoelectric sensor 33 can be arranged in the shell, the temperature sensor 33 is used for detecting the temperature in the shell in real time, when the temperature is larger than a set temperature threshold value, the second multipoint control unit 31 sends out alarm information, the main control module 1 controls the laser 5 to be closed, the vibrating mirror motor slave control module 2 controls the vibrating mirror motor 6 to be closed, the photoelectric sensor 33 module is used for detecting the return light condition in the shell in real time, the temperature sensor 33 can be arranged on the protective mirror, the temperature of the protective mirror is detected in real time, the temperature sensor 33 is arranged on the reflecting mirror module, the temperature of the reflecting mirror is detected in real time,
referring to fig. 4, fig. 4 is a block diagram of a master control module in a control system according to an embodiment of the present application.
In some embodiments, the master control module 1 includes a third multipoint control unit 11, an HMI communication circuit 13, a laser control circuit 14, a third CAN transceiver 12, an interface circuit, and an alarm indication circuit 16, where the laser control circuit 14, the interface circuit, the alarm indication circuit 16, and the third CAN transceiver 12 are electrically connected to the third multipoint control unit 11, the third CAN transceiver 12 is electrically connected to a CAN bus, and a second end of the laser control circuit 14 is electrically connected to the laser 5.
In some embodiments, the master control module 1 further includes an upper computer 7, and the upper computer 7 is connected to the third multipoint control unit 11 through an HMI (human-machine interface) communication circuit 13.
It will be appreciated that, the first end of the third CAN transceiver 12 is electrically connected to the third multipoint control unit 11, the second end of the third CAN transceiver 12 is electrically connected to the CAN bus, the first end of the external interface circuit 15 is electrically connected to the third multipoint control unit 11, the second end of the external interface circuit 15 is electrically connected to the external control circuit, the first end of the laser control circuit is electrically connected to the third multipoint control unit 11, the second end of the laser control circuit is electrically connected to the laser 5, the first end of the HMI communication circuit is electrically connected to the third multipoint control unit 11, and the second end of the HMI communication circuit is electrically connected to the upper computer 7.
As a variant, the main control module 1 may also be electrically connected to an industrial control computer, or the main control module 1 may be connected to a server through a local area network or an external network.
In addition, the main control module 1 further comprises an alarm indication circuit 16, a first end of the alarm indication circuit 16 is electrically connected with the third multipoint control unit 11, and a second end of the alarm indication circuit 16 is electrically connected with the external alarm 8, so that alarm information can be displayed.
The first multi-point control unit 21, the second multi-point control unit 31 and the third multi-point control unit 11 are selected from the STM32F407VET6.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.
The laser processing control system based on the CAN bus provided by the embodiment of the present application is described in detail, and specific examples are applied herein to illustrate the principles and embodiments of the present application, where the description of the above examples is only used to help understand the method and core idea of the present application; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.
Claims (10)
1. The laser processing control system based on the CAN bus is characterized by comprising the CAN bus, a main control module, a laser processing head, a vibrating mirror motor slave control module and a monitoring slave control module;
the main control module is positioned beside the laser, is connected with a hard wire interface of the laser, is connected to the CAN bus and controls the laser;
the vibrating mirror motor slave control module is connected to the CAN bus and is connected with the vibrating mirror motor of the laser processing head in a signal manner and used for controlling the vibrating mirror motor;
the monitoring slave control module is connected to the CAN bus and used for detecting the running condition of the laser processing head in real time to obtain monitoring information and transmitting the monitoring information through the CAN bus.
2. The CAN bus-based laser machining control system of claim 1, wherein the galvanometer motor slave control module comprises: the device comprises a first multipoint control unit, a first CAN transceiver and a galvanometer motor driver, wherein the first CAN transceiver and the galvanometer motor driver are respectively and electrically connected with the first multipoint control unit, and the first CAN transceiver is electrically connected with a CAN bus.
3. The CAN bus based laser machining control system of claim 2, wherein the galvanometer motor slave module further comprises a first memory device unit electrically connected with the first multipoint control unit.
4. The CAN bus based laser machining control system of claim 2, wherein the galvanometer motor slave control module further includes a first storage database, the first storage database being network connected with the first multipoint control unit.
5. The CAN bus-based laser machining control system of claim 1, wherein the monitoring slave module comprises: the system comprises a second multipoint control unit, a second CAN transceiver and a plurality of sensors, wherein the second CAN transceiver is electrically connected with the second multipoint control unit, the plurality of sensors are in signal connection with the second multipoint control unit, and the second CAN transceiver is electrically connected with a CAN bus.
6. The CAN bus based laser machining control system of claim 5, wherein the monitoring slave module further comprises a second memory device unit electrically connected to the second multi-point control unit.
7. The CAN bus based laser machining control system of claim 5, wherein the monitoring slave module further comprises a second stored database, the second stored database being network connected to the second multipoint control unit.
8. The CAN bus based laser machining control system of claim 5, wherein the sensor is at least one of a temperature sensor, a humidity sensor, and a photoelectric sensor.
9. The CAN-bus-based laser machining control system of claim 1, wherein the master control module comprises a third multi-point control unit, an HMI communication circuit, a laser control circuit, a third CAN transceiver, an interface circuit, and an alarm indication circuit, the laser control circuit, the interface circuit, the alarm indication circuit, and the third CAN transceiver are electrically connected to the third multi-point control unit, the third CAN transceiver is electrically connected to the CAN bus, and the laser control circuit is electrically connected to the laser.
10. The CAN bus based laser machining control system of claim 9, further comprising a host computer, the host computer and the third multipoint control unit being connected through the HMI communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320456818.9U CN219392502U (en) | 2023-03-06 | 2023-03-06 | Laser processing control system based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320456818.9U CN219392502U (en) | 2023-03-06 | 2023-03-06 | Laser processing control system based on CAN bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219392502U true CN219392502U (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320456818.9U Active CN219392502U (en) | 2023-03-06 | 2023-03-06 | Laser processing control system based on CAN bus |
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| Country | Link |
|---|---|
| CN (1) | CN219392502U (en) |
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2023
- 2023-03-06 CN CN202320456818.9U patent/CN219392502U/en active Active
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