CN113721521A - Multi-sensor concurrency sensing device used in machine tool digital twin system - Google Patents
Multi-sensor concurrency sensing device used in machine tool digital twin system Download PDFInfo
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- 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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention discloses a multi-sensor concurrency sensing device used in a machine tool digital twin system, which comprises: the system comprises a machine tool, a data acquisition module, a data storage module, a data processing module, an interaction module, a virtual digital module and a cloud server; according to the invention, data of each component on the machine tool is acquired through the data acquisition module and transmitted to the data storage module after being acquired, the data storage module compares the acquired data with historical data stored in the data processing module and internet data in the cloud server through calling, error data is extracted after the data comparison, the error data is corrected into data in a normal range and transmitted to the interaction module, the interaction module transmits the processed data to the virtual digital module, and the three-dimensional model in the virtual digital module moves according to the data, so that the linkage between sensors is improved, and the occurrence of errors and workpiece processing failure is avoided.
Description
Technical Field
The invention relates to the technical field of digital twins, in particular to a multi-sensor concurrency sensing device used in a machine tool digital twins system.
Background
The digital twin is a simulation process integrating multidisciplinary, multi-physical quantity, multi-scale and multi-probability by fully utilizing data such as a physical model, sensor updating, operation history and the like, and mapping is completed in a virtual space, so that the full life cycle process of corresponding entity equipment is reflected. Digital twinning is an beyond-realistic concept that can be viewed as a digital mapping system of one or more important, interdependent equipment systems.
In the mechanical machining process, a digital twin machine tool is needed to replace manual work for machining a workpiece, however, in the traditional digital twin machine tool, sensors work independently, and the sensors cannot be corrected in time when errors occur, so that the workpiece machining fails.
Disclosure of Invention
The invention aims to provide a multi-sensor concurrent sensing device used in a digital twin system of a machine tool, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-sensor concurrency sensing apparatus for use in a digital twin system of a machine tool, comprising:
a machine tool for reference of a machine tool digital twinning system;
the data acquisition module is arranged on the machine tool and is used for acquiring data information of the machine tool;
the data storage module is used for converting, processing and correcting the data information acquired by the data acquisition module;
the data processing module is used for storing the original data acquired by the data acquisition module and the data processed by the data storage module in a classified manner;
the interaction module is used for displaying and controlling the machine tool digital twin system;
a virtual digital module for simulating a machine tool;
and the cloud server provides data and computing power for the data storage module.
By adopting the technical scheme, the data of each component on the machine tool is collected by the data collection module and is transmitted to the data storage module after being collected, the data storage module compares the historical data stored in the data processing module with the internet data in the cloud server by calling, and the error data is extracted after the data comparison, and corrects the error data into data in a normal range, the data is processed and transmitted to the data processing module for storage, at the same time, the data are transmitted to the interaction module which can display the data processed by the data storage module, meanwhile, the interaction module transmits the processed data to the virtual digital module, the three-dimensional model in the virtual digital module moves according to the data, and sending out video signals to be transmitted to the interaction module, and displaying the video signals after the video signals are processed by the interaction module.
Preferably, the electrical output end of the data acquisition module is electrically connected with the electrical input end of the data storage module, the electrical end of the data processing module is electrically connected with the electrical end of the data storage module in a bidirectional manner, the electrical input end of the interaction module is electrically connected with the electrical output end of the data storage module, the electrical end of the interaction module is electrically connected with the electrical end of the virtual digital module in a bidirectional manner, and the electrical end of the cloud server is electrically connected with the electrical end of the data storage module in a bidirectional manner.
The preferred, the data acquisition module includes that D infrared sensor, D feel camera, distance sensor one and distance sensor two deeply, D infrared sensor, D feel camera and distance sensor one deeply and all establish in the lathe, just D infrared sensor, D feel camera and distance sensor one deeply all are located anchor clamps directly over, distance sensor two establishes in the lathe, just distance sensor two is located anchor clamps directly behind.
By adopting the technical scheme, the D infrared sensor collects the shape data of the workpiece, the D deep sensing camera collects the top surface data of the workpiece, and the first distance sensor and the second distance sensor respectively measure the length and the width of the workpiece.
Preferably, the data acquisition module further comprises a pressure sensor, a rotation speed sensor, an angle sensor and a current sensor, the pressure sensor is arranged on a fixture on the machine tool, the rotation speed sensor is arranged on an output shaft of a driving motor on the machine tool, the angle sensor is arranged on a tool rest in the machine tool, the current sensor is arranged on the driving motor on the machine tool, and the current sensor is connected with the driving motor in series.
By adopting the technical scheme, the pressure sensor acquires pressure data when the clamp clamps a workpiece, the rotating speed sensor acquires rotating speed data of the driving motor, the angle sensor acquires angle data adjusted by the tool rest, and the current sensor acquires current data of the driving motor.
Preferably, the data storage module comprises a data conversion module, a data comparison module, a data correction module and a data transmission module, an electrical input end of the data conversion module is electrically connected with an electrical output end of the data acquisition module, an electrical input end of the data transmission module is electrically connected with an electrical output end of the data conversion module, an electrical end of the data conversion module is electrically connected with an electrical end of the cloud server in a bidirectional manner, and electrical input ends of the data comparison module and the data correction module are electrically connected with an electrical output end of the data transmission module.
By adopting the technical scheme, the data conversion module converts the data signals sent by the data acquisition module into digital information, the data transmission module transmits the digital information, the data comparison module compares the digital information with historical data stored in the data processing module and internet data in the cloud server, and the data correction module corrects error information.
Preferably, the electrical output ends of the D infrared sensor, the D deep sensing camera, the first distance sensor, the second distance sensor, the pressure sensor, the rotating speed sensor, the angle sensor and the current sensor are electrically connected with the electrical input end of the data conversion module.
Preferably, the interactive module includes a processor, a control panel and a display screen, the electrical input end of the display screen is electrically connected with the electrical output end of the processor, and the electrical output end of the control panel is electrically connected with the electrical input end of the processor.
Preferably, the electrical output end of the processor is electrically connected with the electrical input end of the machine tool, and the electrical output end of the processor is electrically connected with the electrical input end of the virtual digital module.
Preferably, the virtual digital module is a three-dimensional model in STL format established by three-dimensional software according to a machine tool, and is used for explaining key parts of the three-dimensional model and creating a motion matrix to realize the motion of the moving part of the model.
Preferably, the electrical end of the data processing module is bidirectionally electrically connected with the electrical end of the data transmission module, and the data processing module adopts one or a mixture of two of an SSD solid state disk and a mechanical hard disk.
Compared with the prior art, the invention has the beneficial effects that:
the invention firstly collects the data of each component on the machine tool through a data collecting module, transmits the data to a data storage module after the data are collected, the data storage module compares the historical data stored in a data processing module with the internet data in a cloud server through calling, extracts the error data after the data are compared, corrects the error data into the data in a normal range, completes the data processing, transmits the data to the data processing module for storage, simultaneously transmits the data to an interaction module, the interaction module can display the data processed by the data storage module, simultaneously transmits the processed data to a virtual digital module, a three-dimensional model in the virtual digital module moves according to the data and sends out a video signal to be transmitted to the interaction module, the interaction module processes the video signal and then displays the video signal, thereby improving the linkage between sensors, and errors are avoided, so that the workpiece processing fails.
Drawings
FIG. 1 is a front view of the machine of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention;
FIG. 3 is a schematic diagram of a data acquisition module of the present invention;
FIG. 4 is a schematic diagram of a data processing module of the present invention;
FIG. 5 is a diagram of an interaction module of the present invention.
In the figure: 1. a machine tool; 2. a data acquisition module; 3. a data storage module; 4. a data processing module; 5. an interaction module; 6. a virtual digital module; 7. a cloud server; 21. a 3D infrared sensor; 22. a 3D depth sensing camera; 23. a first distance sensor; 24. a second distance sensor; 25. a pressure sensor; 26. a rotational speed sensor; 27. an angle sensor; 28. a current sensor; 31. a data conversion module; 32. a data comparison module; 33. a data correction module; 34. a data transmission module; 51. a processor; 52. a control panel; 53. a display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a multi-sensor concurrency sensing apparatus for use in a digital twin system of a machine tool includes: the system comprises a machine tool 1, a data acquisition module 2, a data storage module 3, a data processing module 4, an interaction module 5, a virtual digital module 6 and a cloud server 7.
The machine tool 1 is used for reference of a machine tool digital twinning system;
the data acquisition module 2 is arranged on the machine tool 1, and the data acquisition module 2 is used for acquiring data information of the machine tool 1;
the data storage module 3 is used for converting, processing and correcting the data information acquired by the data acquisition module 2;
the data processing module 4 is used for storing the original data acquired by the data acquisition module 2 and the data processed by the data storage module 3 in a classified manner;
the interaction module 5 is used for displaying and controlling the machine tool digital twin system;
a virtual digital module 6, the virtual digital module 6 being used for simulating the machine tool 1;
and the cloud server 7 is used for providing data and computing power for the data storage module 3.
The electrical output end of the data acquisition module 2 is electrically connected with the electrical input end of the data storage module 3, the electrical end of the data processing module 4 is electrically connected with the electrical end of the data storage module 3 in a bidirectional mode, the electrical input end of the interaction module 5 is electrically connected with the electrical output end of the data storage module 3, the electrical end of the interaction module 5 is electrically connected with the electrical end of the virtual digital module 6 in a bidirectional mode, and the electrical end of the cloud server 7 is electrically connected with the electrical end of the data storage module 3 in a bidirectional mode.
Referring to fig. 2, in order to improve the linkage between the sensors and avoid errors and workpiece processing failures, data of each component on the machine tool 1 is collected by the data collection module 2 and transmitted to the data storage module 3 after being collected, the data storage module 3 compares the historical data stored in the data processing module 4 with the internet data in the cloud server 7 with the collected data, the error data is extracted after the data comparison, the error data is corrected to be data in a normal range, the data is transmitted to the data processing module 4 after being processed and transmitted to the interaction module 5 at the same time, the interaction module 5 can display the data processed by the data storage module 3, the interaction module 5 transmits the processed data to the virtual digital module 6, and the three-dimensional model in the virtual digital module 6 moves according to the data, and sends out video signals to be transmitted to the interaction module 5, and the interaction module 5 processes the video signals and then displays the processed video signals.
Referring to fig. 2, the data acquisition module 2 includes a 3D infrared sensor 21, a 3D deep sensing camera 22, a first distance sensor 23 and a second distance sensor 24, the 3D infrared sensor 21, the 3D deep sensing camera 22 and the first distance sensor 23 are all disposed in the machine tool 1, the 3D infrared sensor 21, the 3D deep sensing camera 22 and the first distance sensor 23 are all located right above the clamp, the second distance sensor 24 is disposed in the machine tool 1, the second distance sensor 24 is located right behind the clamp, the data acquisition module 2 further includes a pressure sensor 25, a rotation speed sensor 26, an angle sensor 27 and a current sensor 28, the pressure sensor 25 is disposed on the clamp on the machine tool 1, the rotation speed sensor 26 is disposed on an output shaft of a driving motor on the machine tool 1, the angle sensor 27 is disposed on a tool rest in the machine tool 1, the current sensor 28 is disposed on the driving motor on the machine tool 1, the current sensor 28 is connected with the driving motor in series, the 3D infrared sensor 21 collects shape data of a workpiece, the 3D deep sensing camera 22 collects top surface data of the workpiece, the first distance sensor 23 and the second distance sensor 24 respectively measure the length and the width of the workpiece, the pressure sensor 25 collects pressure data when the workpiece is clamped by the clamp, the rotating speed sensor 26 collects rotating speed data of the driving motor, the angle sensor 27 collects angle data adjusted by the tool rest, and the current sensor 28 collects current data of the driving motor.
In order to convert the data signal sent by the data acquisition module 2 into digital information, the data storage module 3 comprises a data conversion module 31, a data comparison module 32, a data correction module 33 and a data transmission module 34, wherein an electrical input end of the data conversion module 31 is electrically connected with an electrical output end of the data acquisition module 2, an electrical input end of the data transmission module 34 is electrically connected with an electrical output end of the data conversion module 31 for transmitting the digital information, an electrical end of the data conversion module 31 is bidirectionally electrically connected with an electrical end of the cloud server 7, in order to compare the digital information with historical data stored in the data processing module 4 and internet data in the cloud server 7, in order to correct error information, electrical input ends of the data comparison module 32 and the data correction module 33 are electrically connected with an electrical output end of the data transmission module 34, the electrical output ends of the 3D infrared sensor 21, the 3D deep sensing camera 22, the first distance sensor 23, the second distance sensor 24, the pressure sensor 25, the rotation speed sensor 26, the angle sensor 27 and the current sensor 28 are electrically connected with the electrical input end of the data conversion module 31.
In order to store the raw data collected by the data collection module 2 and the data processed by the data storage module 3 in a classified manner, the electrical end of the data processing module 4 is electrically connected to the electrical end of the data transmission module 34 in a bidirectional manner.
The interactive module 5 includes a processor 51, a control panel 52 and a display 53, wherein an electrical input end of the display 53 is electrically connected to an electrical output end of the processor 51, an electrical output end of the control panel 52 is electrically connected to an electrical input end of the processor 51, an electrical output end of the processor 51 is electrically connected to an electrical input end of the machine tool 1, and an electrical output end of the processor 51 is electrically connected to an electrical input end of the virtual digital module 6.
The virtual digital module 6 is a three-dimensional model in STL format created by three-dimensional software according to the machine tool 1, and interprets key parts of the three-dimensional model and creates a motion matrix to realize the motion of moving parts of the model.
The electrical end of the data processing module 4 is bidirectionally electrically connected with the electrical end of the data transmission module 34, and the data processing module 4 adopts one or a mixture of two of an SSD solid state disk and a mechanical hard disk.
The working principle is as follows: when the machine tool is used, data of each component on the machine tool 1 is collected through the data collection module 2 and transmitted to the data storage module 3 after being collected, historical data stored in the data processing module 4 and internet data in the cloud server 7 are called by the data storage module 3 to be compared with the collected data, error data are extracted after the data are compared, the error data are corrected into data in a normal range, the data are processed and transmitted to the data processing module 4 to be stored, the data are transmitted to the interaction module 5 at the same time, the interaction module 5 can display the data processed by the data storage module 3, the processed data are transmitted to the virtual digital module 6 by the interaction module 5, a three-dimensional model in the virtual digital module 6 moves according to the data and sends out video signals to be transmitted to the interaction module 5, and the interaction module 5 processes and displays the video signals, and then improve the linkage nature between the sensor, avoid appearing the error, lead to work piece processing failure.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A multi-sensor concurrent sensing apparatus for use in a digital twin system of a machine tool, comprising:
a machine tool (1), the machine tool (1) being used for reference of a machine tool digital twinning system;
the data acquisition module (2) is arranged on the machine tool (1), and the data acquisition module (2) is used for acquiring data information of the machine tool (1);
the data storage module (3) is used for converting, processing and correcting the data information acquired by the data acquisition module (2);
the data processing module (4), the said data processing module (4) is used for storing the primitive data that the data acquisition module (2) gathers and data after the data storage module (3) processes separately;
an interaction module (5), the interaction module (5) being used for displaying and controlling the machine tool digital twin system;
a virtual digital module (6), the virtual digital module (6) being for simulating a machine tool (1);
the cloud server (7) provides data and computing power for the data storage module (3).
2. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 1, wherein: the data acquisition system comprises a data acquisition module (2), a data storage module (3), an interaction module (5), a data processing module (4), a virtual digital module (6), a cloud server (7), a data processing module (4), a data processing module (3), a data storage module (3), an interaction module (5), a virtual digital module (6), and a cloud server (7).
3. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 2, wherein: data acquisition module (2) include that 3D infrared sensor (21), 3D feel camera (22), distance sensor (23) and distance sensor two (24) deeply, 3D infrared sensor (21), 3D feel camera (22) deeply and distance sensor (23) are all established in lathe (1), just 3D infrared sensor (21), 3D feel camera (22) deeply and distance sensor (23) all are located anchor clamps directly over, establish in lathe (1) distance sensor two (24), just distance sensor two (24) are located anchor clamps directly behind.
4. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 3, wherein: data acquisition module (2) still include pressure sensor (25), speed sensor (26), angle sensor (27) and current sensor (28), establish on the anchor clamps on lathe (1) pressure sensor (25), speed sensor (26) are established on the driving motor's on lathe (1) output shaft, angle sensor (27) are established on the knife rest in lathe (1), current sensor (28) are established on the driving motor on lathe (1), just current sensor (28) are established ties with driving motor.
5. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 1, wherein: the data storage module (3) comprises a data conversion module (31), a data comparison module (32), a data correction module (33) and a data transmission module (34), wherein an electrical input end of the data conversion module (31) is electrically connected with an electrical output end of the data acquisition module (2), an electrical input end of the data transmission module (34) is electrically connected with an electrical output end of the data conversion module (31), an electrical end of the data conversion module (31) is electrically connected with an electrical end of the cloud server (7) in a bidirectional mode, and electrical input ends of the data comparison module (32) and the data correction module (33) are electrically connected with an electrical output end of the data transmission module (34).
6. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 5, wherein: the electric output ends of the 3D infrared sensor (21), the 3D deep sensing camera (22), the first distance sensor (23), the second distance sensor (24), the pressure sensor (25), the rotating speed sensor (26), the angle sensor (27) and the current sensor (28) are all electrically connected with the electric input end of the data conversion module (31).
7. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 1, wherein: the interaction module (5) comprises a processor (51), a control panel (52) and a display screen (53), wherein an electrical input end of the display screen (53) is electrically connected with an electrical output end of the processor (51), and an electrical output end of the control panel (52) is electrically connected with an electrical input end of the processor (51).
8. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 7, wherein: the electrical output end of the processor (51) is electrically connected with the electrical input end of the machine tool (1), and the electrical output end of the processor (51) is electrically connected with the electrical input end of the virtual digital module (6).
9. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 8, wherein: the virtual digital module (6) is a three-dimensional model in STL format established by three-dimensional software according to the machine tool (1), explains key parts of the three-dimensional model, and creates a motion matrix to realize the motion of a model motion part.
10. The multi-sensor concurrent sensing device for use in a digital twin system of a machine tool according to claim 5, wherein: the electrical end of the data processing module (4) is in bidirectional electrical connection with the electrical end of the data transmission module (34), and the data processing module (4) adopts one or a mixture of an SSD solid state disk and a mechanical hard disk.
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| CN112818446A (en) * | 2021-01-26 | 2021-05-18 | 西安交通大学 | Construction method of intelligent workshop digital twin system |
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Patent Citations (5)
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| CN108107841A (en) * | 2017-12-26 | 2018-06-01 | 山东大学 | A kind of twin modeling method of numerically-controlled machine tool number |
| CN111880476A (en) * | 2020-06-29 | 2020-11-03 | 长沙长泰机器人有限公司 | Digital twin system of machine tool |
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Application publication date: 20211130 |