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CN-224203613-U - Visual controller with PLC function

CN224203613UCN 224203613 UCN224203613 UCN 224203613UCN-224203613-U

Abstract

The utility model relates to a visual controller with a PLC function, which comprises a shell and a circuit board integrated in the shell, wherein a visual processing module, a PLC control module, a communication interface module and a power management module are arranged on the circuit board, and the communication interface module comprises a visual interface unit which is connected with a signal end of the visual processing module and expands a plurality of signal interfaces. The visual processor and the PLC are integrated on the single circuit board, and the communication interface module and the power management module are shared, so that the redundant structure of the shell and external wiring of the discrete equipment are eliminated, the volume of hardware is reduced, and the material cost and the assembly complexity are obviously reduced.

Inventors

  • LIU SUNXIAN
  • WANG HAO
  • OU CHAO

Assignees

  • 长沙壹涵电子设备有限公司

Dates

Publication Date
20260505
Application Date
20250624

Claims (10)

  1. 1. A visual controller with a PLC function comprises a shell and a circuit board integrated in the shell, and is characterized in that a visual processing module, a PLC control module, a communication interface module and a power management module are arranged on the circuit board; the communication interface module includes: the visual interface unit is connected with the signal end of the visual processing module and expands a plurality of signal interfaces; The control interface unit is connected with the signal end of the PLC control module and expands a plurality of signal interfaces; the power management module is externally connected with a direct current power supply and supplies power to each module through the voltage reduction circuit.
  2. 2. The PLC enabled vision controller of claim 1, wherein the vision processing module employs an inflight Jetson Orin NX core module for running machine vision algorithms and AI models to process 2D/3D camera data.
  3. 3. The PLC enabled vision controller of claim 1 or 2, wherein the PLC control module employs an STM32H750VBT6 master chip for executing industrial control logic and algorithms to drive the sensors and/or actuators.
  4. 4. The visual controller with the PLC function according to claim 1, wherein the visual interface unit is connected with a USB pin of the visual processing module through a USB Hub chip to expand a 4-way USB 3.0 interface; The visual interface unit is connected with PCIe pins of the visual processing module through a PCIe-to-gigabit network port chip to generate an independent gigabit network port.
  5. 5. The PLC enabled vision controller of claim 4, wherein the USB 3.0 interface of the vision processing module supports simultaneous access to multiple industrial 2D/3D cameras and light source devices.
  6. 6. The PLC enabled vision controller of claim 1, wherein, The control interface unit is connected with a serial communication pin of the PLC control module through an interface conversion chip to generate a 2-path RS485 interface and a 2-path RS232 interface; The control interface unit is connected with a CAN pin of the PLC control module through a CAN transceiver chip to generate a 2-way CAN interface; The control interface unit is connected with a GPIO pin of the PLC control module through the optocoupler isolation chip and the high-speed timer, and drives 16 paths of high-speed input/output IO.
  7. 7. The vision controller with PLC function according to claim 1, wherein the input end of the power management module is connected to an external DC 9-36V power interface, and the output ends thereof are respectively connected through a multi-stage step-down circuit: The first voltage converter is used for providing 5V/12V voltage for a power supply pin of the vision processing module; The second voltage converter is used for providing 3.3V voltage for a power supply pin of the PLC control module; And the third voltage converter is used for providing working voltage for power supply pins of all chips of the communication interface module.
  8. 8. The PLC enabled vision controller of claim 1, wherein, The power management module comprises a multi-stage voltage reduction circuit, and converts an external DC 9-36V power supply into voltage gears of 3.3V, 5V and 12V; The multistage voltage reduction circuit comprises a DC-DC voltage reduction chip and an LDO linear voltage stabilizer, and outputs three-gear voltages of 3.3V, 5V and 12V.
  9. 9. The PLC enabled vision controller of claim 1, wherein an internal communication unit is provided between the vision processing module and the PLC control module, the internal communication unit comprising: USB 2.0 direct connection channel, which is directly connected with the USB 2.0 pin of the vision processing module and the USB 2.0 pin of the PLC control module; And the Ethernet switch circuit is connected with the gigabit network port of the vision processing module and the hundred meganetwork port of the PLC control module through RJ45 ports and integrates a clock synchronization circuit.
  10. 10. The PLC enabled vision controller of claim 9, wherein the ethernet switch of the internal communication unit supports synchronization of the vision processing module with the system clock of the PLC control module; The Ethernet switch circuit is internally provided with an isolation transformer, the input side of the isolation transformer is connected with the gigabit network port of the vision processing module, and the output side of the isolation transformer is connected with the hundred mega network port of the PLC control module.

Description

Visual controller with PLC function Technical Field The utility model relates to the technical field of visual controllers, in particular to a visual controller with a PLC function. Background In the current industrial intelligent manufacturing system, machine vision detection and PLC logic control generally adopt a discrete hardware architecture: the machine vision system consists of independent equipment such as an industrial personal computer, an industrial camera, a light source and the like, and a high-performance display card is required to be configured when a complex algorithm is operated, so that the problems of large volume, high power consumption and high cost exist; the PLC control system adopts a brand controller module, is limited by the type and the number of fixed interfaces, and needs to be externally connected with an expansion module to realize multi-sensor connection, so that the wiring is complex and flexible; The two systems interact data through external communication (such as Ethernet/RS 485), so that the defects of long transmission path and insufficient real-time performance exist, and the control precision is affected. The existing controllers have the defects of redundant hardware structure, weak interface expansibility and large response delay due to discrete design, and are difficult to meet the requirements of industrial automation equipment on compactness, instantaneity and low cost. Disclosure of utility model Aiming at the technical problems in the prior art, the utility model provides the visual controller with the PLC function to solve the problems that the existing industrial automation equipment is difficult to meet the compactness, instantaneity and low cost. The technical scheme of the utility model for solving the technical problems is that the visual controller with the PLC function comprises a shell and a circuit board integrated in the shell, wherein the circuit board is provided with a visual processing module, a PLC control module, a communication interface module and a power management module; the communication interface module includes: the visual interface unit is connected with the signal end of the visual processing module and expands a plurality of signal interfaces; The control interface unit is connected with the signal end of the PLC control module and expands a plurality of signal interfaces; the power management module is externally connected with a direct current power supply and supplies power to each module through the voltage reduction circuit. Further, the vision processing module adopts an Injeida Jetson Orin NX core module for running a machine vision algorithm and an AI model to process 2D/3D camera data. Further, the PLC control module adopts an STM32H750VBT6 main chip and is used for executing industrial control logic and algorithms and driving the sensor and/or the actuator. Further, the visual interface unit is connected with a USB pin of the visual processing module through a USB Hub chip to expand a 4-way USB 3.0 interface; The visual interface unit is connected with PCIe pins of the visual processing module through a PCIe-to-gigabit network port chip to generate an independent gigabit network port. Further, the USB 3.0 interface of the vision processing module supports simultaneous access to a plurality of industrial 2D/3D cameras and light source equipment. Further, the control interface unit is connected with a serial communication pin of the PLC control module through an interface conversion chip to generate a 2-path RS485 interface and a 2-path RS232 interface; The control interface unit is connected with a CAN pin of the PLC control module through a CAN transceiver chip to generate a 2-way CAN interface; The control interface unit is connected with a GPIO pin of the PLC control module through the optocoupler isolation chip and the high-speed timer, and drives 16 paths of high-speed input/output IO. Further, the input end of the power management module is connected with an external DC 9-36V power interface, and the output ends of the power management module are respectively connected with the power management module through a multi-stage voltage reduction circuit: The first voltage converter is used for providing 5V/12V voltage for a power supply pin of the vision processing module; The second voltage converter is used for providing 3.3V voltage for a power supply pin of the PLC control module; And the third voltage converter is used for providing working voltage for power supply pins of all chips of the communication interface module. Further, the power management module comprises a multi-stage voltage reduction circuit, and converts an external DC 9-36V power supply into voltage gears of 3.3V, 5V and 12V; The multistage voltage reduction circuit comprises a DC-DC voltage reduction chip and an LDO linear voltage stabilizer, and outputs three-gear voltages of 3.3V, 5V and 12V. Further, be equipped with the internal communication uni