A vertical machining center control system
By introducing cloud platform interaction and detection circuits into the control system of vertical machining centers, remote diagnosis of motor status is realized, solving the problem of long on-site maintenance time in existing technologies and improving fault location efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU JISHI INTELLIGENT CONTROL TECH CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-07-17
AI Technical Summary
The maintenance of circuit faults in existing machining centers requires on-site inspection, which relies on manual experience and is time-consuming.
Design a vertical machining center control system that utilizes a cloud platform interactive terminal, communication unit, forward and reverse control unit, and relay unit. Through coil, normally open contact, and normally closed contact detection, it can remotely diagnose the motor status and quickly locate the fault.
It enables remote diagnosis of motor faults, reduces maintenance time, and improves fault location efficiency.
Smart Images
Figure CN224519183U_ABST
Abstract
Claims
1. A vertical machining center control system characterized by, The system includes a cloud platform interaction terminal, which is connected to a communication unit. The communication unit is connected to the communication interfaces of the forward and reverse control unit and the forward control unit via a communication protocol. The shift register communication interface of the forward control unit is connected to the detection circuit of the relay unit. The input terminal of the relay unit is connected to the output terminal of the PLC, and the output terminal of the relay unit is connected to an external load. The output terminal of the forward control unit is connected to a forward three-phase motor, and the output terminal of the forward and reverse control unit is connected to the three-phase motor to control the forward and reverse rotation of the three-phase motor.
2. The control system for a vertical machining center according to claim 1, wherein The relay unit includes a coil detection sub-circuit, a normally open contact detection sub-circuit, a normally closed contact detection sub-circuit, a shift register, and a chip U2. The coil detection circuit, normally open contact detection circuit, and normally closed contact detection circuit of the relay unit are connected to the input terminal of the optocoupler. The output terminal of the optocoupler is connected to the input terminal of the shift register. The output terminal of the shift register is connected to the shift register communication interface of the chip U2 in the forward rotation control unit.
3. The control system for a vertical machining center according to claim 2, wherein, The coil detection subcircuit includes resistors R1, R2, R3, and R4, and an optocoupler OP1. One end of resistor R1 is connected to the coil output terminal of the relay unit, and the other end of resistor R1 is connected to pin 1 of optocoupler OP1 and one end of resistor R2. The other end of resistor R2 is connected to pin 2 of optocoupler OP1 and grounded. One end of resistor R3 is connected to the power supply terminal, and the other end of resistor R3 is connected to pin 3 of optocoupler OP1. One end of resistor R4 is connected to pin 4 of optocoupler OP1 and pin 11 of the shift register, and the other end of resistor R4 is grounded.
4. The control system for a vertical machining center according to claim 2, wherein, The normally open contact detection sub-circuit includes resistors R5, R6, R7, and R8, and an optocoupler OP2. One end of resistor R5 is connected to the normally open contact output terminal of the forward rotation control unit. The other end of resistor R5 is connected to pin 1 of optocoupler OP2 and one end of resistor R6. The other end of resistor R6 is connected to pin 2 of optocoupler OP2 and grounded. One end of resistor R7 is connected to the power supply terminal. The other end of resistor R7 is connected to pin 3 of optocoupler OP2. One end of resistor R8 is connected to pin 4 of optocoupler OP2 and pin 12 of the shift register. The other end of resistor R8 is grounded.
5. The control system for a vertical machining center according to claim 2, wherein, The normally closed contact detection subcircuit includes resistors R9, R10, R11, and R12, and an optocoupler OP3. One end of resistor R9 is connected to the normally closed contact output terminal of the forward control unit. The other end of resistor R9 is connected to pin 1 of optocoupler OP3 and one end of resistor R10. The other end of resistor R10 is connected to pin 2 of optocoupler OP3 and grounded. One end of resistor R11 is connected to the power supply terminal. The other end of resistor R11 is connected to pin 3 of optocoupler OP3. One end of resistor R12 is connected to pin 4 of optocoupler OP3 and pin 13 of the shift register. The other end of resistor R12 is grounded.
6. The control system for a vertical machining center according to claim 2, wherein, The shift register adopts a shift register of SN74HC165 model, and the chip U2 adopts a chip of STM32F103ZET6 model.