CN116149257A - Remote control method, system and equipment controller of numerical control machine tool - Google Patents
Remote control method, system and equipment controller of numerical control machine tool Download PDFInfo
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- CN116149257A CN116149257A CN202211240168.0A CN202211240168A CN116149257A CN 116149257 A CN116149257 A CN 116149257A CN 202211240168 A CN202211240168 A CN 202211240168A CN 116149257 A CN116149257 A CN 116149257A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31282—Data acquisition, BDE MDE
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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 invention is applied to the field of numerical control machine tools, and provides a remote control method, a remote control system and a remote control device of a numerical control machine tool, wherein the method comprises the following steps: the equipment controller acquires control configuration information and stores the control configuration information; the equipment controller acquires monitoring data from the controlled numerical control machine based on the control configuration information, and processes the monitoring data to obtain an operation state analysis result of the controlled numerical control machine; the equipment controller sends the monitoring data and/or the running state analysis result to a user side through a server based on the control configuration information; and the equipment controller receives the control strategy input by the user terminal through the server and sends a control instruction to the controlled numerical control machine tool according to the control strategy. The invention can flexibly set the monitoring strategy of the machine tool by configuring the control configuration information, and can realize convenient remote control by communicating with the server.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to a remote control method, a remote control system and a remote control device of a numerical control machine tool.
Background
The existing numerical control machine tool is locally operated and controlled under most conditions, and cannot realize real-time remote interaction, so that the numerical control machine tool has larger limitation in use. At present, remote monitoring and data acquisition of various numerical control machine tools in factory automation are generally realized through third-party software and then transmitted to a remote server. If the data needs to be viewed, then the particular third party application software needs to be used for viewing. Thus, a plurality of third party data acquisition software may need to be installed on the user equipment, and the user operation is cumbersome and increases the operation burden of the numerical control machine. If the configuration of the user device is too low, software operation may be affected. And the existing third party data acquisition software is in a fixed operation mode, such as a fixed sampling interval, sampling parameters and fixed equipment, so that the flexibility of use of users is greatly limited. If the user needs to replace the checked numerical control machine tool or the equipment for realizing data acquisition, the user needs to negotiate with the third party data acquisition software again when acquiring parameters, modify the third party data acquisition software again and test the third party data acquisition software, so that the use cost of the user software is increased again.
It should be noted that the information disclosed in the foregoing background section is only for enhancement of understanding of the background of the invention and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a remote control method, a remote control system and a remote control device for a numerical control machine tool, wherein the monitoring strategy of the machine tool can be flexibly set by configuring control configuration information, and convenient remote control can be realized by communicating with a server.
The embodiment of the invention provides a remote control method of a numerical control machine tool, which comprises the following steps:
the equipment controller acquires and stores control configuration information, wherein the control configuration information comprises configuration information of a controlled numerical control machine tool, configuration information of a server and configuration information of the equipment controller;
the equipment controller acquires monitoring data from the controlled numerical control machine based on the control configuration information, and processes the monitoring data to obtain an operation state analysis result of the controlled numerical control machine;
the equipment controller sends the monitoring data and/or the running state analysis result to a user side through a server based on the control configuration information;
And the equipment controller receives the control strategy input by the user terminal through the server and sends a control instruction to the controlled numerical control machine tool according to the control strategy.
In some embodiments, the configuration information of the controlled numerically-controlled machine tool includes identification information, a communication mode and a communication address of the controlled numerically-controlled machine tool;
the server configuration information comprises a communication mode and a communication address of the server.
In some embodiments, the device controller configuration information includes a data acquisition interval time and a data acquisition parameter type;
the equipment controller acquires monitoring data from the controlled numerical control machine based on the control configuration information, and comprises the following steps:
and the equipment controller acquires the monitoring data corresponding to the data acquisition parameter type from the controlled numerical control machine tool according to the data acquisition interval time.
In some embodiments, the device controller includes a data acquisition module, a data processing module, and a device communication module;
according to the data acquisition interval time, acquiring the monitoring data corresponding to the data acquisition parameter type from the controlled numerical control machine tool, wherein the monitoring data comprises the following steps:
The data acquisition module generates a monitoring data acquisition requirement based on the configuration information of the controlled numerical control machine tool and the data acquisition parameter type;
the data acquisition module sends the monitoring data acquisition requirement to the data processing module according to the data acquisition interval time;
the data processing module generates a monitoring data acquisition instruction based on the monitoring data acquisition requirement;
the data processing module sends the monitoring data acquisition instruction to the controlled numerical control machine tool through the equipment communication module;
the data processing module acquires the monitoring data from the controlled numerical control machine tool through the equipment communication module and forwards the monitoring data to the data acquisition module.
In some embodiments, the device controller configuration information further includes a real-time monitoring interval, a real-time monitoring parameter type, and a real-time monitoring threshold range;
the processing obtains the running state analysis result of the controlled numerical control machine tool, and the method comprises the following steps:
selecting monitoring data corresponding to the type of the real-time monitoring parameter from the monitoring data according to the real-time monitoring interval time;
and comparing each monitoring parameter in the selected monitoring data with a preset real-time monitoring threshold range, and generating an operation state analysis result of the controlled numerical control machine according to the comparison result.
In some embodiments, the data acquisition parameter type includes at least one of position sensor data, speed sensor data, acceleration sensor data, vibration sensor data, temperature sensor data, pressure sensor data, flow sensor data, and status sensor data.
In some embodiments, the position sensor data includes at least one of position sensor data of at least one axis of motion, moving part position sensor data;
the speed sensor data includes at least one of speed sensor data of at least one moving axis, speed sensor data of a moving part, and rotation axis speed sensor data;
the acceleration sensor data includes at least one of acceleration sensor data of at least one motion axis, rotation axis acceleration sensor data, and acceleration sensor data of a moving part;
the vibration sensor data includes at least one of vibration sensor data of at least one motion axis, rotation axis vibration sensor data, and vibration sensor data of a moving part; the temperature sensor data comprises at least one of temperature sensor data of at least one motion axis, temperature sensor data of a casting of the whole machine, temperature sensor data of a component, temperature sensor data of an environment and temperature sensor data of a cooling system;
The pressure sensor data comprise at least one of machine tool cooling system pressure sensor data, machine tool gas circuit system pressure sensor data, machine tool lubricating system pressure sensor data, machine tool hydraulic system pressure sensor data and machine tool chip flushing pressure sensor data;
the flow sensor data comprise at least one of machine tool cooling system flow sensor data, machine tool gas circuit system flow sensor data, machine tool lubricating system flow sensor data, machine tool hydraulic system flow sensor data and machine tool chip flushing system flow sensor data;
the state sensor data comprise at least one of machine tool cooling system switch state sensor data, machine tool gas circuit system switch state sensor data, machine tool lubricating system switch state sensor data, machine tool hydraulic system switch state sensor data, machine tool chip flushing system switch state sensor data and machine tool moving part in-place switch state sensor data.
In some embodiments, the method further comprises the steps of:
the server provides a configuration information modification page for the user side, and modifiable control configuration items are displayed in the configuration information modification page;
The server receives configuration modification information from the user side and sends the configuration modification information to the equipment controller;
the device controller modifies the stored control configuration information based on the received configuration modification information.
In some embodiments, the method further comprises the steps of:
the user side remotely accesses the equipment controller through the server;
the user side sends a remote instruction to the equipment controller, wherein the remote instruction comprises at least one of a remote equipment maintenance instruction, a program debugging instruction, a program control instruction, a moving instruction and a switching instruction;
and the equipment controller sends a control instruction to the controlled numerical control machine based on the remote instruction.
In some embodiments, the method further comprises the steps of:
the equipment controller backs up one or more of the monitoring data, the running state analysis result, the control instruction and the control instruction;
and the equipment controller deletes locally stored backup data exceeding a preset retention time.
The embodiment of the invention also provides a device controller, which comprises:
the file configuration module is used for acquiring and storing control configuration information, wherein the control configuration information comprises configuration information of a controlled numerical control machine tool, configuration information of a server and configuration information of a device controller;
The data acquisition module is used for generating monitoring data acquisition requirements based on the control configuration information;
the data processing module is used for generating a monitoring data acquisition instruction based on the monitoring data acquisition requirement and sending the received monitoring data to the data acquisition module;
the device communication module is used for sending the monitoring data acquisition instruction to a controlled numerical control machine tool, acquiring monitoring data from the controlled numerical control machine tool, sending the monitoring data to the data processing module, sending the monitoring data and/or an operation state analysis result to a user side through a server based on the control configuration information, and receiving a control strategy input by the user side through the server;
the real-time monitoring module is used for processing the monitoring data to obtain an operation state analysis result of the controlled numerical control machine tool;
and the real-time control module is used for sending a control instruction to the controlled numerical control machine tool according to the control strategy sent by the user side.
The embodiment of the invention also provides a remote control system of the numerical control machine tool, which comprises:
the device controller;
the controlled numerical control machine tool is used for executing the control instruction sent by the equipment controller;
The server is used for sending the received monitoring data and/or the running state analysis result to a user side and sending a control strategy sent by the user side to the equipment controller;
and the user side is used for generating a control strategy according to the received monitoring data and/or the running state analysis result and sending the control strategy to the server.
In some embodiments, the controlled numerically controlled machine tool is provided with at least one of a position sensor, a speed sensor, an acceleration sensor, a vibration sensor, a temperature sensor, a pressure sensor, a flow sensor, and a status sensor;
wherein the position sensor includes at least one of position sensor data of at least one axis of motion, moving part position sensor data;
the speed sensor comprises at least one of a speed sensor of at least one motion axis, a speed sensor of a moving part and a speed sensor of a rotating shaft;
the acceleration sensor comprises at least one of an acceleration sensor of at least one motion axis, a moving part acceleration sensor and a rotation axis acceleration sensor;
the vibration sensor comprises at least one of a vibration sensor of at least one motion axis, a vibration sensor of a moving part and a vibration sensor of a rotating shaft;
The temperature sensor comprises at least one of a temperature sensor of at least one motion axis, a temperature sensor of a whole casting, a component temperature sensor, an environment temperature sensor and a temperature sensor of a cooling system;
the pressure sensor comprises at least one of a machine tool cooling system pressure sensor, a machine tool gas circuit system pressure sensor, a machine tool lubricating system pressure sensor, a machine tool hydraulic system pressure sensor and a machine tool chip flushing pressure sensor;
the flow sensor comprises at least one of a machine tool cooling system flow sensor, a machine tool gas circuit system flow sensor, a machine tool lubricating system flow sensor, a machine tool hydraulic system flow sensor and a machine tool chip flushing system flow sensor;
the state sensor comprises at least one of a machine tool cooling system switch state sensor, a machine tool gas circuit system switch state sensor, a machine tool lubricating system switch state sensor, a machine tool hydraulic system switch state sensor, a machine tool chip flushing system switch state sensor and a machine tool moving part in-place switch state sensor.
The remote control method, the remote control system and the remote control equipment controller for the numerical control machine tool have the following advantages:
According to the invention, the monitoring strategy of the machine tool can be flexibly set through configuration control configuration information, and the monitoring data and/or the operation state analysis result is transmitted to the user side through the server by communication with the server, so that a user can conveniently monitor the key data and the operation state of the controlled numerical control machine tool in real time, the user can monitor the machine tool fault and the data abnormal information in real time, and the control strategy is received from the user side through the server, so that convenient remote control can be realized.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.
FIG. 1 is a flow chart of a remote control method of a numerical control machine tool according to an embodiment of the present invention;
FIG. 2 is a block diagram of a remote control system of a numerical control machine according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a remote control system of a numerical control machine according to an embodiment of the present invention;
FIG. 4 is a flow chart of a process for acquiring and processing monitoring data in accordance with an embodiment of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted. "or", "or" in the specification may each mean "and" or ". Nothing in this specification should be construed as requiring a particular three-dimensional orientation of the structure in order to fall within the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a remote control method for a numerically-controlled machine tool, including the following steps:
s100: the equipment controller acquires and stores control configuration information, wherein the control configuration information comprises configuration information of a controlled numerical control machine tool, configuration information of a server and configuration information of the equipment controller;
s200: the equipment controller acquires monitoring data from the controlled numerical control machine based on the control configuration information, and processes the monitoring data to obtain an operation state analysis result of the controlled numerical control machine;
s300: the equipment controller sends the monitoring data and/or the running state analysis result to a user side through a server based on the control configuration information;
s400: and the equipment controller receives the control strategy input by the user terminal through the server and sends a control instruction to the controlled numerical control machine tool according to the control strategy.
The control instructions include, but are not limited to, operating parameter setting instructions and/or machining instructions. The operating parameters include, for example, maximum speed limits, maximum operating times, etc., and the machining instructions include, for example, target movement positions and movement speeds of the individual movement axes, etc. The control strategy input by the user side can comprise direct control instructions, or can comprise control instructions of a plurality of time points/time periods, so as to form the control strategy in one time period.
According to the invention, the monitoring strategy of the machine tool can be flexibly set through configuration control configuration information, and the monitoring data and/or the operation state analysis result is transmitted to the user side through the server by communication with the server, so that a user can conveniently monitor the key data and the operation state of the controlled numerical control machine tool in real time, the user can monitor the machine tool fault and the data abnormal information in real time, and the control strategy is received from the user side through the server, so that convenient remote control can be realized.
As shown in fig. 2 and 3, a remote control system of the apparatus controller 2 and the numerical control machine tool is also provided in this embodiment. The remote control system includes: a device controller 2; the controlled numerical control machine tool 1 is used for executing a control instruction sent by the equipment controller 2; the server is used for sending the received monitoring data and/or the running state analysis result to the user side 4 and sending the control strategy sent by the user side 4 to the equipment controller 2; and the user side 4 is used for displaying the received monitoring data and/or the running state analysis result, generating a control strategy according to the received monitoring data and/or the running state analysis result, and sending the control strategy to the server. Here, the user terminal 4 may generate the control policy, which may be that the user terminal 4 receives a control command input by a user, generates the control policy according to the control command input by the user, or automatically generates the control policy according to a preset control policy generation condition. For example, it is preset that the machine tool is stopped when the temperature of at least one of the axes of motion is higher than XX °. And when the user side 4 judges that the condition that the temperature of at least one motion axis is higher than XX DEG is satisfied according to the monitoring data and/or the operation state analysis result, a control strategy for controlling the machine tool to stop is generated. The controlled numerical control machine tool 1 comprises a hardware part and a software part, wherein the hardware part comprises controlled machine tool equipment for industrial processing and control. The software part is used for providing the monitoring data of each sensor to the device controller 2 and controlling and executing the control instruction sent by the device controller 2.
In this embodiment, the server is further configured to backup the monitoring data and/or the operation state analysis result. As shown in fig. 2, the server 3 includes a data communication module 301 and a data parsing module 302, where the data communication module 301 is configured to implement data communication between the server and the user terminal 4, and implement data communication between the server and the device controller 2. The data parsing module 302 is configured to parse and backup the monitoring data and/or the analysis result of the operation state. The server may be a web server, which may be a local server or a cloud server. When the server is a local server, the device controller/controlled numerical control machine tool is accessed through a web browser and is only available in a user local area network. When the server is a cloud server, the web browser can access the equipment controller/the controlled numerical control machine tool at any network, so that the number of the servers is small, the servers are easy to maintain, and the servers can be set to different servers according to the actual demands of users.
In this embodiment, the web server is an NGINX server, a Lighttpd server, an Apache server, or a node. Js server, etc. The following description of the various servers follows:
Lighttpd server: the Lighttpd is open source web server software led by German, and the fundamental purpose of the Lighttpd is to provide a web server which is specially aimed at high-performance websites, and has the characteristics of safety, rapidness, good compatibility, flexible webserver environment, very low memory overhead, low CPU occupation rate, good efficiency, abundant modules and the like.
Apache server: apache HTTPServer is called Apache for short, chinese name Appal, is a web server of open source code of Apache software foundation, can run in most computer operating systems, is one of the most popular web server software because of its multiple platforms and security being widely used. It is fast, reliable and can compile interpreters such as Perl/Python into servers through simple API extensions.
Js server: is a Javascript running environment (runtimeenvironment) published 5 months 2009, developed by ryan dahl, essentially encapsulating the ChromeV8 engine. Js optimizes some special use cases and provides alternative APIs so that V8 operates better in non-browser environments. V8 engines execute Javascript very fast and perform very well. Js is a platform built based on the chromeJavaScript runtime, and is used for conveniently building a network application with high response speed and easy expansion. Js uses event driven, non-blocking I/O models to be lightweight and efficient, well suited for running data intensive real-time applications on distributed devices.
As shown in fig. 2, in this embodiment, the device controller 2 includes:
a file configuration module 202, configured to obtain and store control configuration information, where the control configuration information includes configuration information of the controlled numerically controlled machine tool 1, configuration information of a server, and configuration information of the equipment controller 2, where the control configuration information is stored in the form of files/databases in the equipment controller 2, and when a user needs to modify the configuration files or databases directly in the equipment controller 2, or modify the control configuration information through the user side 4 (specifically described below);
a data acquisition module 204, configured to generate a monitoring data acquisition requirement based on the control configuration information;
the data processing module 203 is configured to generate a monitoring data acquisition instruction based on the monitoring data acquisition requirement, and send the received monitoring data to the data acquisition module 204;
the device communication module 201 is configured to communicate with the controlled numerically-controlled machine tool 1 and the server 3, and specifically, the device communication module 201 is configured to send the monitoring data acquisition instruction to the controlled numerically-controlled machine tool 1, obtain monitoring data from the controlled numerically-controlled machine tool 1, send the monitoring data to the data processing module 203, send the monitoring data and/or the operation state analysis result to the user terminal 4 through the server 3 based on the control configuration information, and receive a control policy input by the user terminal 4 through the server 3;
The real-time monitoring module 206 is used for processing the monitoring data to obtain an operation state analysis result of the controlled numerical control machine tool 1;
and the real-time control module 205 is configured to send a control instruction to the controlled numerically-controlled machine tool 1 according to the control policy sent by the user terminal 4.
In this embodiment, as shown in fig. 2, the device controller further includes a data backup module 208 configured to backup one or more of the monitoring data, the operation state analysis result, the control strategy, and the control instruction. The remote control method further comprises the following steps:
and the data backup module backs up one or more of the monitoring data, the running state analysis result, the control strategy and the control instruction. And the backup function of the data backup module is used for facilitating the later fault inquiry.
And the data backup module deletes locally stored backup data exceeding a preset retention time. For example, the preset retention time is set to one quarter. When the data stored locally exceeds one quarter, the data is automatically deleted, so that more space can be reserved for storing the newly generated data.
By setting the data backup module, the operation data of the controlled numerical control machine tool can be stored. The user can directly consult the data backup information at the user side. If the network communication is disconnected (other unexpected factors), the user can directly open and/or copy the data backup information in the equipment controller, so that the data loss caused by external reasons such as a network can be avoided, and the user can conveniently perform data analysis and fault searching.
In this embodiment, the configuration information of the controlled numerically-controlled machine tool includes identification information, a communication mode, and a communication address of the controlled numerically-controlled machine tool. The identification information of the controlled numerical control machine tool comprises, for example, the equipment name and the equipment address of the controlled numerical control machine tool. The server configuration information comprises a communication mode and a communication address of the server.
In this embodiment, the device controller configuration information includes, for example, the following:
(1) The system comprises a data acquisition module, a real-time control module, a real-time monitoring module and a data backup module, which are allowed to be started or shut down.
(2) Data acquisition interval time and data acquisition parameter type;
(3) Real-time monitoring interval time, real-time monitoring parameter type and real-time monitoring threshold range;
(4) Data backup interval time and backup parameter type. The data backup interval time controls the interval time of the data backup module for data backup.
Specifically, control configuration information may be set as follows:
1) Controlled machine tool equipment configuration specification
2) Server configuration specification
{// Server connection configuration
Serverport=20000// server communication port
Servereconnect sec=60// time interval for disconnecting reconnection
……}
3) Device controller configuration specification
In this embodiment, the step S200: and the equipment controller acquires monitoring data from the controlled numerical control machine based on the control configuration information, wherein the equipment controller acquires the monitoring data corresponding to the data acquisition parameter type from the controlled numerical control machine according to the data acquisition interval time. The communication address of the controlled numerical control machine tool can be obtained from the configuration information of the controlled numerical control machine tool. For example, the data acquisition interval time is preset to be 5 seconds, the data acquisition parameter type is the position sensor data of each movement axis, and then the equipment controller communicates with the controlled numerical control machine tool every 5 seconds to acquire the monitoring data of the position sensor of each movement axis of the controlled numerical control machine tool.
Specifically, the data acquisition process for the device controller is controlled as follows:
Specifically, as shown in fig. 4, in step S200, according to the data acquisition interval time, monitoring data corresponding to the data acquisition parameter type is acquired from the controlled numerical control machine tool, and the method includes the following steps:
s210: the data acquisition module generates a monitoring data acquisition requirement based on the configuration information of the controlled numerical control machine tool and the data acquisition parameter type;
s220: the data acquisition module periodically sends the monitoring data acquisition requirement to the data processing module according to the data acquisition interval time;
s230: the data processing module generates a monitoring data acquisition instruction based on the monitoring data acquisition requirement;
s240: the data processing module sends the monitoring data acquisition instruction to a controlled numerical control machine tool through the equipment communication module;
s250: and the data processing module acquires monitoring data from the controlled numerical control machine tool through the equipment communication module and forwards the monitoring data to the data acquisition module.
In the embodiment, the data acquisition module is realized based on an elk acquisition technology, and acquires and feeds back various operation data and operation states of the controlled numerical control machine tool, wherein the elk acquisition technology is an weight-scale acquisition technology, has high requirements on the performance of operation equipment, but has clear structure, and is simple to operate. In another embodiment, the elk acquisition technology may be replaced by a rebbitmq acquisition technology, where the rebbitmq acquisition technology has a message consumption confirmation mechanism, and if a message is issued and the queue is not consumed by a consumer, the message is stored in the queue until the consumer consumes the message, so that reliable consumption of the message can be ensured, and the acquired information has higher storage property.
As shown in fig. 4, in the step S200, the device controller processes to obtain an analysis result of the operation state of the controlled numerically-controlled machine tool, and includes the following steps:
s260: the real-time monitoring module selects monitoring data corresponding to the real-time monitoring parameter type from the monitoring data according to the real-time monitoring interval time;
specifically, the real-time monitoring module acquires the collected monitoring data according to the real-time monitoring interval time, and carries out real-time analysis and monitoring on the collected monitoring data;
s270: and the real-time monitoring module compares each monitoring parameter in the selected monitoring data with a preset real-time monitoring threshold range and generates an operation state analysis result according to the comparison result.
Specifically, the preset real-time monitoring threshold range includes a threshold range set for each monitoring parameter. If the value of a certain monitoring parameter in the monitoring data exceeds the corresponding real-time monitoring threshold range, the running state analysis result is abnormal, and when the running state analysis result is sent to the user side, alarm information is simultaneously sent to the user side, wherein the alarm information at least comprises the type and the value of the abnormal monitoring parameter. And if the numerical values of all the monitoring parameters in the monitoring data are within the corresponding real-time monitoring threshold ranges, the running state analysis result is normal.
In this embodiment, the data acquisition parameter type includes at least one of position sensor data, speed sensor data, acceleration sensor data, vibration sensor data, temperature sensor data, pressure sensor data, flow sensor data, and status sensor data. The controlled numerical control machine tool is correspondingly provided with a position sensor, a speed sensor, an acceleration sensor, a vibration sensor, a temperature sensor, a pressure sensor, a flow sensor and a state sensor.
Specifically, the position sensor data includes at least one of position sensor data of at least one movement axis, and moving member position sensor data. Taking a five-axis machine tool as an example, the position sensor comprises an X-axis grating ruler, a Y-axis grating ruler, a Z-axis grating ruler, an A-axis grating ruler, a C-axis grating ruler and a main shaft grating ruler. The grating scale includes, but is not limited to: a linear grating ruler and a rotary grating ruler.
The speed sensor data includes at least one of speed sensor data of at least one moving axis, speed sensor data of a moving part, and rotation axis speed sensor data.
The acceleration sensor data includes at least one of acceleration sensor data of at least one motion axis, rotation axis acceleration sensor data, and acceleration sensor data of a moving part.
The vibration sensor data includes at least one of vibration sensor data of at least one motion axis, rotation axis vibration sensor data, and vibration sensor data of a moving part.
The temperature sensor data includes at least one of temperature sensor data of at least one axis of motion, temperature sensor data of a complete machine casting, component temperature sensor data, ambient temperature sensor data, and cooling device temperature sensor data. Taking a five-axis machine tool as an example, the temperature sensor of the at least one motion axis comprises an X-axis grating ruler temperature sensor, an X-axis motor temperature sensor, a Y-axis grating ruler temperature sensor, a Y-axis motor temperature sensor, a Z-axis grating ruler temperature sensor, a Z-axis motor temperature sensor, an A-axis motor temperature sensor, a C-axis motor temperature sensor and a spindle motor temperature sensor. The cooling device temperature sensor is an external water cooler temperature sensor, for example. The motor temperature sensor is used for preventing the motor from being damaged due to overhigh temperature. The grating ruler temperature sensor and the external water cooler temperature sensor are used for comparing temperature differences of all parts of the machine tool and performing thermal compensation of machine tool precision.
The pressure sensor data comprises at least one of machine tool cooling system pressure sensor data, machine tool gas circuit system pressure sensor data, machine tool lubricating system pressure sensor data, machine tool hydraulic system pressure sensor data and machine tool chip flushing pressure sensor data. The pressure sensor is used for acquiring pressure information feedback of the gas medium and the liquid medium in the pipeline.
The flow sensor data comprises at least one of machine tool cooling system flow sensor data, machine tool gas circuit system flow sensor data, machine tool lubricating system flow sensor data, machine tool hydraulic system flow sensor data and machine tool chip flushing system flow sensor data. The flow sensor is used for acquiring flow information feedback of the gas medium and the liquid medium in the pipeline.
The state sensor data comprise machine tool cooling system switch state sensor data, machine tool gas circuit system switch state sensor data, machine tool lubricating system switch state sensor data, machine tool hydraulic system switch state sensor data, machine tool chip flushing system switch state sensor data and machine tool moving part in-place switch state sensor data. The state sensor is used for acquiring state information feedback of partial moving parts in place and out of place in the machine tool, and normally only two states are switched on or off.
The above embodiment is described by taking a five-axis machine tool as an example, in which the a-axis represents the rotation axis and the C-axis represents the swing axis. However, the present invention is not limited thereto, and the remote control method may be applied to remote control of a controlled numerically-controlled machine tool including other types of axes, which falls within the scope of the present invention.
In this embodiment, the user side may also modify the configured control configuration information. The remote control method further comprises the following steps:
the server provides a configuration information modification page for the user side, and modifiable control configuration items are displayed in the configuration information modification page;
after a user modifies a control configuration item through a user side and clicks a confirmation, the server receives configuration modification information from the user side and sends the configuration modification information to the equipment controller;
and after receiving the configuration modification information, the device communication module of the device controller forwards the configuration modification information to the file configuration module, the file configuration module analyzes the received data, modifies the stored control configuration information based on the received configuration modification information, and then restarts the file configuration module to take effect of the new control configuration information.
In this embodiment, the user side may further directly remotely access the device controller through the server according to the control configuration information to perform operations such as remote maintenance, and specifically may be implemented through a windows remote desktop. The remote control method further comprises the following steps:
the user side remotely accesses the equipment controller through the server;
The user side sends a remote instruction to the equipment controller, wherein the remote instruction comprises at least one of a remote equipment maintenance instruction, a program debugging instruction, a program control instruction, a moving instruction and a switching instruction;
and the equipment controller sends a control instruction to the controlled numerical control machine based on the remote instruction.
When the user side, the server and the equipment controller are in the same local area network (such as a wired network, a wireless network, an Internet of things card connection mode and the like), the network addresses of the server and the equipment controller are fixed, and the user side can directly access the server through a fixed IP (Internet protocol) remote, so that remote equipment maintenance and/or program debugging can be performed on the equipment controller.
In this embodiment, the client, server and device controller all encrypt settings. The data transmission encryption protocol can adopt SSL/TLS, the user terminal and the equipment controller are used as the client terminal, the server is used as the server terminal, and the transmission encryption process is as follows:
1. the client sends the version number, the supported encryption mode and a random number to the server;
2. the server confirms the encryption mode of the client and sends a digital certificate and a random number;
3. the client confirms that the digital certificate is valid and sends a random number encrypted by the public key of the digital certificate;
4. The server decrypts the random number sent by the client according to the encryption mode;
5. the server and the client generate a key according to the first 3 random numbers and encrypt the data to be transmitted next by using the key.
In this embodiment, the controlled numerical control machine is provided with at least one of a position sensor, a speed sensor, an acceleration sensor, a vibration sensor, a temperature sensor, a pressure sensor, a flow sensor, and a state sensor.
Wherein the position sensor includes at least one of position sensor data of at least one axis of motion, and moving part position sensor data.
The speed sensor includes at least one of a speed sensor of at least one axis of motion, a moving part speed sensor, and a rotating shaft speed sensor.
The acceleration sensor comprises at least one of an acceleration sensor of at least one motion axis, a moving part acceleration sensor and a rotation axis acceleration sensor.
The vibration sensor includes at least one of a vibration sensor of at least one motion axis, a vibration sensor of a moving member, and a vibration sensor of a rotation axis.
The temperature sensor comprises at least one of a temperature sensor of at least one motion axis, a temperature sensor of a complete machine casting, a component temperature sensor, an environment temperature sensor and a temperature sensor of cooling equipment.
The pressure sensor comprises at least one of a machine tool cooling system pressure sensor, a machine tool gas circuit system pressure sensor, a machine tool lubricating system pressure sensor, a machine tool hydraulic system pressure sensor and a machine tool chip flushing pressure sensor.
The flow sensor comprises at least one of a machine tool cooling system flow sensor, a machine tool gas circuit system flow sensor, a machine tool lubricating system flow sensor, a machine tool hydraulic system flow sensor and a machine tool chip flushing system flow sensor.
The state sensor comprises at least one of a machine tool cooling system switch state sensor, a machine tool gas circuit system switch state sensor, a machine tool lubricating system switch state sensor, a machine tool hydraulic system switch state sensor, a machine tool chip flushing system switch state sensor and a machine tool moving part in-place switch state sensor.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (13)
1. The remote control method of the numerical control machine tool is characterized by comprising the following steps of:
the equipment controller acquires and stores control configuration information, wherein the control configuration information comprises configuration information of a controlled numerical control machine tool, configuration information of a server and configuration information of the equipment controller;
the equipment controller acquires monitoring data from the controlled numerical control machine based on the control configuration information, and processes the monitoring data to obtain an operation state analysis result of the controlled numerical control machine;
the equipment controller sends the monitoring data and/or the running state analysis result to a user side through a server based on the control configuration information;
and the equipment controller receives the control strategy input by the user terminal through the server and sends a control instruction to the controlled numerical control machine tool according to the control strategy.
2. The remote control method of a numerical control machine according to claim 1, wherein the configuration information of the controlled numerical control machine includes identification information, communication mode, and communication address of the controlled numerical control machine;
the server configuration information comprises a communication mode and a communication address of the server.
3. The method for remotely controlling a numerical control machine according to claim 1, wherein the equipment controller configuration information includes a data acquisition interval time and a data acquisition parameter type;
The equipment controller acquires monitoring data from the controlled numerical control machine based on the control configuration information, and comprises the following steps:
and the equipment controller acquires the monitoring data corresponding to the data acquisition parameter type from the controlled numerical control machine tool according to the data acquisition interval time.
4. A method for remotely controlling a numerical control machine according to claim 3, wherein the device controller includes a data acquisition module, a data processing module, and a device communication module;
according to the data acquisition interval time, acquiring the monitoring data corresponding to the data acquisition parameter type from the controlled numerical control machine tool, wherein the monitoring data comprises the following steps:
the data acquisition module generates a monitoring data acquisition requirement based on the configuration information of the controlled numerical control machine tool and the data acquisition parameter type;
the data acquisition module sends the monitoring data acquisition requirement to the data processing module according to the data acquisition interval time;
the data processing module generates a monitoring data acquisition instruction based on the monitoring data acquisition requirement;
the data processing module sends the monitoring data acquisition instruction to the controlled numerical control machine tool through the equipment communication module;
The data processing module acquires the monitoring data from the controlled numerical control machine tool through the equipment communication module and forwards the monitoring data to the data acquisition module.
5. The remote control method of a numerical control machine according to claim 3, wherein the equipment controller configuration information further includes a real-time monitoring interval time, a real-time monitoring parameter type, and a real-time monitoring threshold range;
the processing obtains the running state analysis result of the controlled numerical control machine tool, and the method comprises the following steps:
selecting monitoring data corresponding to the type of the real-time monitoring parameter from the monitoring data according to the real-time monitoring interval time;
and comparing each monitoring parameter in the selected monitoring data with a preset real-time monitoring threshold range, and generating an operation state analysis result of the controlled numerical control machine according to the comparison result.
6. The remote control method of a numerical control machine according to claim 3, wherein the data collection parameter type includes at least one of position sensor data, speed sensor data, acceleration sensor data, vibration sensor data, temperature sensor data, pressure sensor data, flow sensor data, and status sensor data.
7. The method according to claim 6, wherein the position sensor data includes at least one of position sensor data of at least one movement axis and position sensor data of a moving member;
the speed sensor data includes at least one of speed sensor data of at least one moving axis, speed sensor data of a moving part, and rotation axis speed sensor data;
the acceleration sensor data includes at least one of acceleration sensor data of at least one motion axis, rotation axis acceleration sensor data, and acceleration sensor data of a moving part;
the vibration sensor data includes at least one of vibration sensor data of at least one motion axis, rotation axis vibration sensor data, and vibration sensor data of a moving part; the temperature sensor data comprises at least one of temperature sensor data of at least one motion axis, temperature sensor data of a casting of the whole machine, temperature sensor data of a component, temperature sensor data of an environment and temperature sensor data of a cooling system;
the pressure sensor data comprise at least one of machine tool cooling system pressure sensor data, machine tool gas circuit system pressure sensor data, machine tool lubricating system pressure sensor data, machine tool hydraulic system pressure sensor data and machine tool chip flushing pressure sensor data;
The flow sensor data comprise at least one of machine tool cooling system flow sensor data, machine tool gas circuit system flow sensor data, machine tool lubricating system flow sensor data, machine tool hydraulic system flow sensor data and machine tool chip flushing system flow sensor data;
the state sensor data comprise at least one of machine tool cooling system switch state sensor data, machine tool gas circuit system switch state sensor data, machine tool lubricating system switch state sensor data, machine tool hydraulic system switch state sensor data, machine tool chip flushing system switch state sensor data and machine tool moving part in-place switch state sensor data.
8. The remote control method of a numerical control machine according to claim 1, further comprising the steps of:
the server provides a configuration information modification page for the user side, and modifiable control configuration items are displayed in the configuration information modification page;
the server receives configuration modification information from the user side and sends the configuration modification information to the equipment controller;
the device controller modifies the stored control configuration information based on the received configuration modification information.
9. The remote control method of a numerical control machine according to claim 1, further comprising the steps of:
the user side remotely accesses the equipment controller through the server;
the user side sends a remote instruction to the equipment controller, wherein the remote instruction comprises at least one of a remote equipment maintenance instruction, a program debugging instruction, a program control instruction, a moving instruction and a switching instruction;
and the equipment controller sends a control instruction to the controlled numerical control machine based on the remote instruction.
10. The remote control method of a numerical control machine according to claim 1, further comprising the steps of:
the equipment controller backs up one or more of the monitoring data, the running state analysis result, the control instruction and the control instruction;
and the equipment controller deletes locally stored backup data exceeding a preset retention time.
11. A device controller, comprising:
the file configuration module is used for acquiring and storing control configuration information, wherein the control configuration information comprises configuration information of a controlled numerical control machine tool, configuration information of a server and configuration information of a device controller;
The data acquisition module is used for generating monitoring data acquisition requirements based on the control configuration information;
the data processing module is used for generating a monitoring data acquisition instruction based on the monitoring data acquisition requirement and sending the received monitoring data to the data acquisition module;
the device communication module is used for sending the monitoring data acquisition instruction to a controlled numerical control machine tool, acquiring monitoring data from the controlled numerical control machine tool, sending the monitoring data to the data processing module, sending the monitoring data and/or an operation state analysis result to a user side through a server based on the control configuration information, and receiving a control strategy input by the user side through the server;
the real-time monitoring module is used for processing the monitoring data to obtain an operation state analysis result of the controlled numerical control machine tool;
and the real-time control module is used for sending a control instruction to the controlled numerical control machine tool according to the control strategy sent by the user side.
12. A remote control system for a numerically-controlled machine tool, comprising:
the device controller of claim 11;
the controlled numerical control machine tool is used for executing the control instruction sent by the equipment controller;
The server is used for sending the received monitoring data and/or the running state analysis result to a user side and sending a control strategy sent by the user side to the equipment controller;
and the user side is used for generating a control strategy according to the received monitoring data and/or the running state analysis result and sending the control strategy to the server.
13. The remote control system of a numerical control machine according to claim 12, wherein the controlled numerical control machine is provided with at least one of a position sensor, a speed sensor, an acceleration sensor, a vibration sensor, a temperature sensor, a pressure sensor, a flow sensor, and a state sensor;
wherein the position sensor includes at least one of position sensor data of at least one axis of motion, moving part position sensor data;
the speed sensor comprises at least one of a speed sensor of at least one motion axis, a speed sensor of a moving part and a speed sensor of a rotating shaft;
the acceleration sensor comprises at least one of an acceleration sensor of at least one motion axis, a moving part acceleration sensor and a rotation axis acceleration sensor;
The vibration sensor comprises at least one of a vibration sensor of at least one motion axis, a vibration sensor of a moving part and a vibration sensor of a rotating shaft;
the temperature sensor comprises at least one of a temperature sensor of at least one motion axis, a temperature sensor of a whole casting, a component temperature sensor, an environment temperature sensor and a temperature sensor of a cooling system;
the pressure sensor comprises at least one of a machine tool cooling system pressure sensor, a machine tool gas circuit system pressure sensor, a machine tool lubricating system pressure sensor, a machine tool hydraulic system pressure sensor and a machine tool chip flushing pressure sensor;
the flow sensor comprises at least one of a machine tool cooling system flow sensor, a machine tool gas circuit system flow sensor, a machine tool lubricating system flow sensor, a machine tool hydraulic system flow sensor and a machine tool chip flushing system flow sensor;
the state sensor comprises at least one of a machine tool cooling system switch state sensor, a machine tool gas circuit system switch state sensor, a machine tool lubricating system switch state sensor, a machine tool hydraulic system switch state sensor, a machine tool chip flushing system switch state sensor and a machine tool moving part in-place switch state sensor.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334656A (en) * | 2008-07-25 | 2008-12-31 | 华中科技大学 | Numerical control machine processability monitoring system |
| CN113504740A (en) * | 2021-03-19 | 2021-10-15 | 阿帕斯精机(上海)有限公司 | Data acquisition, remote monitoring and remote control method based on web technology |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334656A (en) * | 2008-07-25 | 2008-12-31 | 华中科技大学 | Numerical control machine processability monitoring system |
| CN113504740A (en) * | 2021-03-19 | 2021-10-15 | 阿帕斯精机(上海)有限公司 | Data acquisition, remote monitoring and remote control method based on web technology |
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