CN113111870A - 5G remote central control system and method for multiple metal processing devices - Google Patents
5G remote central control system and method for multiple metal processing devices Download PDFInfo
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Abstract
A5G remote central control system of a plurality of metal processing devices comprises a plurality of metal processing devices and a screen image acquisition unit central control system; the central control system is provided with an OCR recognition unit for recognizing characters, numbers and icons in the image acquired by the screen image acquisition unit, an intelligent correction unit for intelligently correcting the recognition result of the OCR recognition unit, a screen display block recognition unit for recognizing a display block in the image, a data acquisition management unit for acquiring data and performing classification management according to the recognition results of the OCR recognition unit, the intelligent correction unit and the screen display block recognition unit, and a communication interface. Therefore, communication with different metal processing equipment can be realized, central centralized control is realized, and cooperative work is carried out. The invention also provides a 5G remote central control method for the plurality of metal processing devices.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a 5G remote central control system and a method for a plurality of metal processing devices.
Background
For some metal products, there are multiple metal parts, each of which is machined by one or more metal machining devices (e.g., CNC machining tools). The existing metal processing equipment is provided by different suppliers respectively, control systems and internal communication protocols of the metal processing equipment are inconsistent, the control system of each metal processing equipment is relatively closed, control programs of different suppliers are incompatible, if the metal processing equipment of different suppliers on the market is centralized together for secondary development, central control is realized, the cost is extremely high, and the possibility of cooperative development of the suppliers is extremely low.
Disclosure of Invention
In view of the above, the present invention provides a 5G remote central control system and a method thereof for multiple metal processing devices, which can realize communication with different metal processing devices, realize central centralized control, and perform cooperative work, so as to solve the above problems.
A5G remote central control system of a plurality of metal processing devices comprises a plurality of metal processing devices, a screen image acquisition unit corresponding to each metal processing device and a central control system connected with the screen image acquisition unit; the metal processing equipment is provided with a controller, a display screen and a communication interface; the central control system is provided with an OCR recognition unit for recognizing characters, numbers and icons in the image acquired by the screen image acquisition unit, an intelligent correction unit for intelligently correcting the recognition result of the OCR recognition unit, a screen display block recognition unit for recognizing a display block in the image, a data acquisition management unit for acquiring and managing data in a classified mode according to the recognition results of the OCR recognition unit, the intelligent correction unit and the screen display block recognition unit, and a communication interface for communicating with the communication interface of each metal processing device.
Further, the screen image acquisition unit is a camera arranged opposite to the display screen.
Further, the screen image acquisition unit is a screen capture unit.
Further, the screen capture unit adopts a screen capture program.
Further, the OCR recognition unit adopts a character recognition program.
A5G remote central control method for a plurality of metal processing devices comprises the following steps: step S1: acquiring an image displayed by a display screen of metal processing equipment; step S2: identifying characters, numbers and icons on an image displayed on a display screen; step S3: intelligently correcting the recognized characters and numbers; step S4: identifying each display block on the image displayed on the display screen; step S5: data acquisition and classification management are carried out according to the results identified by the OCR identification unit, the intelligent correction unit and the screen display block identification unit; step S6: and the metal processing equipment carries out interactive transmission of data and instructions.
Compared with the prior art, the 5G remote central control system of the plurality of metal processing devices comprises the plurality of metal processing devices, a screen image acquisition unit corresponding to each metal processing device and a central control system connected with the screen image acquisition unit; the metal processing equipment is provided with a controller, a display screen and a communication interface; the central control system is provided with an OCR recognition unit for recognizing characters, numbers and icons in the image acquired by the screen image acquisition unit, an intelligent correction unit for intelligently correcting the recognition result of the OCR recognition unit, a screen display block recognition unit for recognizing a display block in the image, a data acquisition management unit for acquiring and managing data in a classified mode according to the recognition results of the OCR recognition unit, the intelligent correction unit and the screen display block recognition unit, and a communication interface for communicating with the communication interface of each metal processing device. Therefore, communication with different metal processing equipment can be realized, central centralized control is realized, and cooperative work is carried out. The invention also provides a 5G remote central control method for the plurality of metal processing devices.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a block diagram of a 5G remote central control system for multiple metal processing facilities according to the present invention.
Fig. 2 is a schematic flow chart of a 5G remote central control method for a plurality of metal processing apparatuses according to the present invention.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Although control systems and communication protocols of different metal processing equipment are different, the following conditions exist for central centralized control and cooperative work: 1. the metal processing equipment is basically based on a Windows system, and the environment of a bottom system is relatively consistent; 2. the external communication interface is generally an Ethernet interface or a USB interface, and data transmission between the external communication interface and the USB interface is easy to realize; 3. the display screen is provided with a plurality of display blocks, different display blocks display corresponding data (such as a cutting program number, a program cutting progress, main machine parameters, a typesetting sketch and the like), only the display interfaces of different devices are different, the positions of similar display blocks are not consistent, but the display blocks are provided with characters or icons for distinguishing the display blocks. The technical scheme of this application passes through the information on the display screen of AI word recognition technology discernment different metal-working equipment, realizes the collection of data.
Referring to fig. 1, the 5G remote central control system for multiple metal processing apparatuses provided by the present invention includes multiple metal processing apparatuses 10, a screen image obtaining unit 20 corresponding to each metal processing apparatus 10, and a central control system 30 connected to the screen image obtaining unit 20.
The metal working apparatus 10 has a controller 11, a display 12, and a communication interface 13.
The screen image obtaining unit 20 is used for obtaining an image displayed on the display screen 12, and the screen image obtaining unit 20 may be a camera disposed opposite to the display screen 12 or a screen cutting unit.
The central control system 30 includes an OCR recognition unit 31 for recognizing characters, numbers and icons in the image acquired by the screen image acquisition unit 20, an intelligent correction unit 32 for intelligently correcting the recognition result of the OCR recognition unit 31, a screen display area recognition unit 33 for recognizing a display area in the image, a data acquisition management unit 34 for performing data acquisition and classification management according to the recognition results of the OCR recognition unit 31, the intelligent correction unit 32 and the screen display area recognition unit 33, and a communication interface 35 for communicating with the communication interface 13 of each metal processing apparatus 10.
The screen capture unit is developed by adopting a screen capture program and using microsoft C # language, calls system bottom layer APIs such as FindWindow, GetWindowDC and GetWindowRect, first obtains a handle of a preset running program window of the central control system 30, captures a picture of the display screen 12 of the metal processing equipment 10 by using a handle resource, and finally stores the picture as an image with the resolution of 1024 × 768. The screen capture unit is prior art and will not be described in detail herein.
The OCR recognition unit 31 is developed by using a python language by using a character recognition program, reads a picture output by a screen capture program by using a text OCR which is an open-source character recognition technology framework, loads a pre-trained model library Chinese _ OCR _ db _ crnn _ mobile, performs character recognition by calling a method of recognize _ text of the OCR framework, and finally outputs information such as recognized characters and coordinate positions. The text recognition procedure is prior art and will not be described in detail here.
The intelligent correction unit 32 automatically screens and automatically corrects the recognition result based on the common word combination sequence and the basic data verification rule, so as to correct the recognition error result. The smart correction technique is prior art and will not be described in detail herein.
The central control system 30 performs bidirectional communication with the plurality of metal working machines 10 via the communication interface 35, and can transmit corresponding data and instructions to the corresponding metal working machines 10, thereby realizing cooperative work of the plurality of metal working machines 10.
Furthermore, a permission identification unit is also arranged for identifying whether the control instruction of the screen image acquisition unit 20 is a field instruction or a remote instruction, wherein the field instruction is an instruction sent by other metal processing equipment or a control center in the factory through a local area network, and the remote instruction is an instruction sent by remote equipment outside the factory through a wide area network; if the control instruction of the screen image obtaining unit 20 is a field instruction, directly obtaining the image displayed by the display screen 12; if the control instruction of the screen image obtaining unit 20 is a remote instruction, the verification is performed according to a predetermined rule, and if the verification is passed, the image displayed on the display screen 12 is obtained, otherwise, the image displayed on the display screen 12 is not obtained.
Referring to fig. 2, the present invention further provides a 5G remote central control method for a plurality of metal processing apparatuses, including the following steps:
step S1: acquiring an image displayed by a display screen 12 of a metal processing device 10;
step S2: identifying text, numbers and icons on the image displayed by the display screen 12;
step S3: intelligently correcting the recognized characters and numbers;
step S4: identifying each display region on the image displayed on the display screen 12;
step S5: data acquisition and classification management are carried out according to the results identified by the OCR identification unit 31, the intelligent correction unit 32 and the screen display block identification unit 33;
step S6: and the metal processing equipment 10 is used for carrying out data and instruction interactive transmission.
Further, before step S1, authority identification is performed to identify whether the control command of the screen image obtaining unit 20 is a field command or a remote command, where the field command is a command sent by other metal processing equipment or a control center in the plant through a local area network, and the remote command is a command sent by a remote device outside the plant through a wide area network; if the control instruction of the screen image obtaining unit 20 is a field instruction, directly obtaining the image displayed by the display screen 12; if the control instruction of the screen image obtaining unit 20 is a remote instruction, the verification is performed according to a predetermined rule, and if the verification is passed, the image displayed on the display screen 12 is obtained, otherwise, the image displayed on the display screen 12 is not obtained.
Compared with the prior art, the 5G remote central control system of the plurality of metal processing devices comprises a plurality of metal processing devices 10, a screen image acquisition unit 20 corresponding to each metal processing device 10 and a central control system 30 connected with the screen image acquisition unit 20; the metal processing equipment 10 is provided with a controller 11, a display screen 12 and a communication interface 13; the screen image acquiring unit 20 is used for acquiring images displayed on the display screen 12, and the central control system 30 is provided with an OCR (optical character recognition) unit 31 for recognizing characters, numbers and icons in the images acquired by the screen image acquiring unit 20, an intelligent correction unit 32 for intelligently correcting recognition results of the OCR unit 31, a screen display block recognition unit 33 for recognizing display blocks in the images, a data acquisition management unit 34 for performing data acquisition and classification management according to the recognition results of the OCR unit 31, the intelligent correction unit 32 and the screen display block recognition unit 33, and a communication interface 35 for communicating with the communication interface 13 of each metal processing equipment 10. Therefore, communication with different metal processing equipment can be realized, central centralized control is realized, and cooperative work is carried out. The invention also provides a 5G remote central control method for the plurality of metal processing devices.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (6)
1. The utility model provides a many remote central control system of 5G of metalworking equipment which characterized in that: the device comprises a plurality of metal processing devices, a screen image acquisition unit corresponding to each metal processing device and a central control system connected with the screen image acquisition unit; the metal processing equipment is provided with a controller, a display screen and a communication interface; the central control system is provided with an OCR recognition unit for recognizing characters, numbers and icons in the image acquired by the screen image acquisition unit, an intelligent correction unit for intelligently correcting the recognition result of the OCR recognition unit, a screen display block recognition unit for recognizing a display block in the image, a data acquisition management unit for acquiring and managing data in a classified mode according to the recognition results of the OCR recognition unit, the intelligent correction unit and the screen display block recognition unit, and a communication interface for communicating with the communication interface of each metal processing device.
2. The 5G remote central control system for multiple metal working facilities of claim 1, wherein: the screen image acquisition unit is a camera arranged opposite to the display screen.
3. The 5G remote central control system for multiple metal working facilities of claim 1, wherein: the screen image acquisition unit is a screen capture unit.
4. A 5G remote central control system for a plurality of metal working apparatuses according to claim 3, wherein: the screen capture unit adopts a screen capture program.
5. The 5G remote central control system for multiple metal working facilities of claim 1, wherein: the OCR recognition unit adopts a character recognition program.
6. A5G remote central control method of a plurality of metal processing devices is characterized in that: the method comprises the following steps:
step S1: acquiring an image displayed by a display screen of metal processing equipment;
step S2: identifying characters, numbers and icons on an image displayed on a display screen;
step S3: intelligently correcting the recognized characters and numbers;
step S4: identifying each display block on the image displayed on the display screen;
step S5: data acquisition and classification management are carried out according to the results identified by the OCR identification unit, the intelligent correction unit and the screen display block identification unit;
step S6: and the metal processing equipment carries out interactive transmission of data and instructions.
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- 2021-04-16 CN CN202110409260.4A patent/CN113111870A/en active Pending
Patent Citations (5)
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| CN104281132A (en) * | 2014-09-24 | 2015-01-14 | 镇江市高等专科学校 | Information collection system and method for machine manufacturing workshop in production process based on machine vision |
| CN107545240A (en) * | 2017-07-07 | 2018-01-05 | 杰为软件***(深圳)有限公司 | A kind of industrial control equipment display screen output picture acquisition system and method |
| CN108416355A (en) * | 2018-03-09 | 2018-08-17 | 浙江大学 | A kind of acquisition method of the industry spot creation data based on machine vision |
| CN111761224A (en) * | 2020-05-22 | 2020-10-13 | 武汉大学深圳研究院 | Metal additive manufacturing online mobile monitoring mechanism and online appearance detection equipment |
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