Drive circuit with control module and corresponding automation equipment

Abstract

The utility model provides a drive circuit with a control module and corresponding automation equipment, a power supply module is used for outputting power supply voltage, and a PLC module can output a drive signal, a control signal and a safety signal. The switching power supply module may store energy on a supply voltage to generate a switching power supply voltage. The electromagnetic valve module comprises an electromagnetic valve, an air cylinder and a main control valve, the electromagnetic valve is driven based on switching power supply voltage and driving signals, and the main control valve can control gas flowing into the air cylinder from an external air pipe. The external instrument module is driven based on the power supply voltage, the servo motor is driven based on the power supply voltage, and the power supply control module controls the drive circuit to be connected or disconnected based on the control signal. The first safety control unit can control the electromagnetic valve to be opened or closed, the second safety control unit controls the main control valve to be opened or closed based on safety signals, the third safety control unit can control the external instrument module to be opened or closed, and the fourth safety control unit can control the servo motor to be opened or closed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit field especially relates to a drive circuit with control module and corresponding automation equipment. BACKGROUND

[0002] In the modern society, automation equipment is widely used in the industrial production of various industries. And, the existing equipment opens the leakage switch 19 equipment and can be powered on. Thus, when the electrical element fails, the automation equipment will have great safety hazards. The safety switch of the equipment safety cover installation signals the PLC input point, and the safety cover is opened. The PLC receives the signal and sends an alarm to stop the equipment. However, in the use process of the equipment, the worker's operation behavior is serious, which cannot be eliminated. When the equipment is maintained, others can also start the existing equipment, so that the existing automation equipment is prone to safety accidents. Therefore, the existing automation equipment has the technical problem of great safety hazard.

[0003] Therefore, it is necessary to provide a drive circuit with control module and corresponding automation equipment to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model provides a drive circuit with control module and corresponding automation equipment, which effectively solves the technical problem of great safety hazard of the existing automation equipment.

[0005] The utility model provides a drive circuit with control module, which comprises:

[0006] The power supply module is used for outputting a power supply voltage;

[0007] The PLC module is connected with the power supply module and is used for outputting a driving signal, a control signal and a safety signal based on the equipment being in a safe state;

[0008] The switching power supply module is connected in parallel with the PLC module and is used for energy storage operation on the power supply voltage to generate a switching power supply voltage;

[0009] The electromagnetic valve module comprises an electromagnetic valve, an air cylinder and a main control valve, the electromagnetic valve is connected with the switching power supply module, the electromagnetic valve is driven based on the switching power supply voltage and the driving signal, the electromagnetic valve is used for controlling the flow direction, flow rate and speed of the gas in the air cylinder, the main control valve is connected between the external air pipe and the air cylinder, and the main control valve is used for controlling the gas flowing into the air cylinder from the external air pipe;

[0010] The external instrument module is connected in parallel with the PLC module, and the external instrument module is used for driving based on the power supply voltage;

[0011] A servo motor is connected in parallel with the PLC module, and the servo motor is used for driving based on the power supply voltage.

[0012] A power supply control module is connected in series between the power supply module and the PLC module, and is used for controlling the driving circuit to be turned on or turned off based on the control signal.

[0013] The safety control module comprises a first safety control unit, a second safety control unit, a third safety control unit and a fourth safety control unit, the first safety control unit is connected between the switching power supply module and the electromagnetic valve, and is used for controlling the electromagnetic valve to be opened or closed; the second safety control unit is connected with the main control valve, and is used for controlling the main control valve to be opened or closed based on the safety signal; the third safety control unit is connected between the power supply module and the external instrument module, and is used for controlling the external instrument module to be opened or closed; and the fourth safety control unit is connected between the power supply module and the servo motor, and is used for controlling the servo motor to be opened or closed.

[0014] In the driving circuit with the control module, the power supply control module comprises a power supply control unit and an alternating current contactor, an input end of the alternating current contactor is connected with the power supply module, an output end of the alternating current contactor is connected with the PLC module, the switching power supply module, the external instrument module and the servo motor, a control end of the alternating current contactor is connected with one end of the power supply control unit, the other end of the power supply control unit is connected with the power supply module, and the power supply control unit is used for controlling the alternating current contactor to be turned on or turned off.

[0015] The utility model provides a drive circuit with control module, power control unit includes key switch, power start switch, emergency stop button, PLC control relay, one end of key switch is connected power module, the other end of key switch is connected power start button, key switch is used for control power control module opens or disconnects, power start switch with emergency stop button is connected, power start switch is used for starting the power of equipment, emergency stop button is used for cutting off power control module under emergency, the input of PLC control relay is connected emergency stop button, the output of PLC control relay is connected the control end of alternating current contactor, the control end of PLC control relay is connected PLC module, when PLC module detects that equipment is in normal working condition, PLC control relay receives the control signal of PLC module output, PLC control relay is in the on state, when PLC module detects emergency, the control signal is not outputted to PLC module, and PLC control relay is in the off state.

[0016] The utility model provides a drive circuit with control module, first safety control unit includes first safety switch, first start permission relay, first start switch unit, first start relay, one end of first safety switch is connected power, the other end of first safety switch is connected the input of first start permission relay, first safety switch is used for preventing other door operation, the control end of first start permission relay is connected PLC module, one end of first start switch unit is connected the output of first start permission relay, the other end of first start switch unit is connected the control end of first start relay, first start relay with solenoid valve connects,

[0017] When first start permission relay receives safety signal, first start permission relay is in the on state, when first start permission relay does not receive safety signal, first start permission relay is in the off state,

[0018] When equipment is in the case that safety condition satisfies, first start switch unit is in the on state, when equipment is not in the case that safety condition satisfies, first start switch unit is in the off state,

[0019] When the first safety switch, the first starting permission relay, and the first starting switch unit are all turned on, the control end of the first starting relay receives the voltage output by the power supply, and the first starting relay is in a turned-on state; when any of the first safety switch, the first starting permission relay, and the first starting switch unit is not turned on, the control end of the first starting relay does not receive the voltage output by the power supply, and the first starting relay is in a turned-off state.

[0020] The second safety control unit comprises a second safety switch, a second starting permission relay, a second starting switch unit, and a second starting relay.

[0021] When the second starting permission relay receives a safety signal, the second starting permission relay is in a turned-on state; when the second starting permission relay does not receive a safety signal, the second starting permission relay is in a turned-off state.

[0022] When the device is in a safe condition, the second starting switch unit is in a turned-on state; when the device is not in a safe condition, the second starting switch unit is in a turned-off state.

[0023] When the second safety switch, the second starting permission relay, and the second starting switch unit are all turned on, the control end of the second starting relay receives the voltage output by the power supply, and the second starting relay is in a turned-on state; when any of the second safety switch, the second starting permission relay, and the second starting switch unit is not turned on, the control end of the second starting relay does not receive the voltage output by the power supply, and the second starting relay is in a turned-off state.

[0024] The utility model provides a drive circuit with control module, the third safety control unit includes third safety switch, third start permission relay, third start switch unit, third start relay, one end of third safety switch is connected power supply, the other end of third safety switch is connected the input of third start permission relay, third safety switch is used for preventing other door operation, the control end of third start permission relay is connected PLC module, one end of third start switch unit is connected the output of third start permission relay, the other end of third start switch unit is connected the control end of third start relay, third start relay is connected with outside instrument module,

[0025] When the third start permission relay receives the safety signal, the third start permission relay is in the on state, and when the third start permission relay does not receive the safety signal, the third start permission relay is in the off state.

[0026] When the device is in the case that the safety condition is satisfied, the third start switch unit is in the on state, and when the device is not in the case that the safety condition is satisfied, the third start switch unit is in the off state.

[0027] When the third safety switch, the third start permission relay and the third start switch unit are all on, the control end of the third start relay receives the voltage output by the power supply, and the third start relay is in the on state, and when any part of the third safety switch, the third start permission relay and the third start switch unit is not on, the control end of the third start relay does not receive the voltage output by the power supply, and the third start relay is in the off state.

[0028] The utility model provides a drive circuit with control module, the fourth safety control unit includes fourth safety switch, fourth start permission relay, fourth start switch unit, fourth start relay, one end of fourth safety switch is connected power supply, the other end of fourth safety switch is connected the input of fourth start permission relay, fourth safety switch is used for preventing other door operation, the control end of fourth start permission relay is connected PLC module, one end of fourth start switch unit is connected the output of fourth start permission relay, the other end of fourth start switch unit is connected the control end of fourth start relay, fourth start relay is connected with servo motor,

[0029] When the fourth start permission relay receives the safety signal, the fourth start permission relay is in the on state, and when the fourth start permission relay does not receive the safety signal, the fourth start permission relay is in the off state.

[0030] When the device is in the case where the safety condition is met, the fourth starting switch unit is in the on state; when the device is not in the case where the safety condition is met, the fourth starting switch unit is in the off state;

[0031] When the fourth safety switch, the fourth starting permission relay and the fourth starting switch unit are all turned on, the control end of the fourth starting relay receives the voltage output by the power supply, and the fourth starting relay is in the on state; when any part of the fourth safety switch, the fourth starting permission relay and the fourth starting switch unit is not turned on, the control end of the fourth starting relay does not receive the voltage output by the power supply, and the fourth starting relay is in the off state.

[0032] In the driving circuit with the control module, the driving circuit with the control module further includes a servo controller, one end of the servo controller is connected with the power supply module, and the other end of the servo controller is connected with the fourth safety control unit, the servo controller is used for further controlling the servo motor to be turned on or turned off, and is also used for filtering signal interference in the power supply voltage.

[0033] In the driving circuit with the control module, the power supply control module further includes a power supply indicator lamp, the power supply indicator lamp is connected with the power supply control module in parallel, and the power supply indicator lamp is used for indicating the on or off of the driving circuit.

[0034] An automatic device includes the driving circuit with the control module.

[0035] Compared with the prior art, the driving circuit with the control module has the advantages that: the driving circuit with the control module is provided with a power supply control module, so that when an abnormality occurs in the device, the user can immediately cut off the power supply through the power supply control module, and when the device is maintained, the user can cut off the power supply through the power supply control module, so that the user cannot start the device, and thus the user can use and maintain the device more safely. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1The utility model discloses a drive circuit's circuit structure schematic diagram with control module.

[0037] Figure 2 The utility model discloses a power control module's circuit structure schematic diagram of drive circuit with control module.

[0038] Figure 3 The utility model discloses a first safety control unit's circuit structure schematic diagram of drive circuit with control module.

[0039] Figure 4 The utility model discloses a second safety control unit's circuit structure schematic diagram of drive circuit with control module.

[0040] Figure 5 The utility model discloses a third safety control unit's circuit structure schematic diagram of drive circuit with control module.

[0041] Figure 6 The utility model discloses a fourth safety control unit's circuit structure schematic diagram of drive circuit with control module.

[0042] In the figure, 10, drive circuit with control module; 11, power supply module; 12, PLC module; 13, switching power supply module; 14, electromagnetic valve module; 141, electromagnetic valve; 142, air cylinder; 143, main control valve; 15, external instrument module; 16, servo motor; 161, servo controller; 162, sensor; 17, power control module; 171, power control unit; 1711, key switch; 1712, power start switch; 1713, emergency stop button; 1714, PLC control relay; 172, AC contactor; 1721, control end of AC contactor; 18, safety control module; 181, first safety control unit; 1811, first safety switch; 1812, first start permission relay; 1813, first start switch unit; 18131, first start switch; 18132, first stop switch; 1814, first start relay; 18141, control end of first start relay; 182, second safety control unit; 1821, second safety switch; 1822, second start permission relay; 1823, second start switch unit; 18231, second start switch; 18232, second stop switch; 1824, second start relay; 18241, control end of second start relay; 183, third safety control unit; 1831, third safety switch; 1832, third start permission relay; 1833, third start switch unit; 18331, third start switch; 18332, third stop switch; 1834, third start relay; 18341, control end of third start relay; 184, fourth safety control unit; 1841, fourth safety switch; 1842, fourth start permission relay; 1843, fourth start switch unit; 18431, fourth start switch; 18432, fourth stop switch; 1844, fourth start relay; 18441, control end of fourth start relay; 19, electric leakage switch; 191, power indicator light; 192, first power supply; 193, second power supply; 194, third power supply; 195, fourth power supply. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0044] The terms such as "upper", "lower", "front", "back", "left", "right", "inner", "outer", "side surface", "top", and "bottom" mentioned in the present application are merely the orientation of the drawings, and the directional terms are used to illustrate and understand the present application, and are not intended to limit the present application.

[0045] The terms "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order.

[0046] In the drawings, similar units are denoted by the same reference numerals.

[0047] Please refer to Figure 1 The driving circuit 10 with a control module is applied to an automatic device, and the driving circuit 10 with a control module comprises a power supply module 11, a PLC module 12, a switching power supply module 13, an electromagnetic valve module 14, an external instrument module 15, a servo motor 16, a power control module 17 and a safety control module 18. The power supply module 11 is used for outputting a power supply voltage, the power supply voltage is three-phase power, and the PLC module 12 is connected with the power supply module 11. The PLC module 12 is used for outputting a driving signal and a control signal, and the PLC module 12 can output a safety signal based on the device being in a safety state. The switching power supply module 13 is connected in parallel with the PLC module 12, the switching power supply module 13 is used for energy storage operation on the power supply voltage, and the switching power supply module 13 can generate a switching power supply voltage.

[0048] Please refer to Figure 1The electromagnetic valve module 14 includes an electromagnetic valve 141, a cylinder 142, and a master valve 143. The electromagnetic valve 141 is connected to the switching power supply module 13. The electromagnetic valve 141 is driven based on the switching power supply voltage and a driving signal. The electromagnetic valve 141 is used to control the flow direction, flow rate, and speed of the gas inside the cylinder 142. The master valve 143 is connected between the external gas pipe and the cylinder 142. The master valve 143 is used to control the gas flowing from the external gas pipe into the cylinder 142. The external instrument module 15 is connected in parallel to the PLC module 12. The external instrument module 15 is used to be driven based on the power supply voltage. The external instrument module 15 can include a single-phase motor. The servo motor 16 is connected in parallel to the PLC module 12. The servo motor 16 is used to be driven based on the power supply voltage. The power supply control module 17 is connected in series between the power supply module 11 and the PLC module 12. The power supply control module 17 is used to control the driving circuit to be turned on or turned off based on a control signal. The driving circuit 10 with the control module further includes a leakage switch 19 connected between the power supply module 11 and the power supply control module 17. The driving circuit 10 with the control module further includes a sensor 162 connected between the switching power supply module 13 and the PLC module 12. The sensor 162 is used to sense the user's door opening operation.

[0049] Please refer to Figure 1 The safety control module 18 includes a first safety control unit 181, a second safety control unit 182, a third safety control unit 183, and a fourth safety control unit 184. The first safety control unit 181 is connected between the switching power supply module 13 and the electromagnetic valve 141. The first safety control unit 181 is used to control the electromagnetic valve 141 to be turned on or turned off. The second safety control unit 182 is connected to the master valve 143. The second safety control unit 182 is used to control the master valve 143 to be turned on or turned off based on a safety signal. The third safety control unit 183 is connected between the power supply module 11 and the external instrument module 15. The third safety control unit 183 is used to control the external instrument module 15 to be turned on or turned off. The fourth safety control unit 184 is connected between the power supply module 11 and the servo motor 16. The fourth safety control unit 184 is used to control the servo motor 16 to be turned on or turned off.

[0050] Please refer to Figure 1 and Figure 2The power supply control module 17 comprises a power supply control unit 171 and an AC contactor 172. The input end of the AC contactor 172 is connected to the power supply module 11. The output end of the AC contactor 172 is connected to the power supply control unit 171. One end of the control end 1721 of the AC contactor 172 is connected to the power supply control unit 171. The other end of the power supply control unit 171 is connected to the power supply module 11. The power supply control unit 171 is used to control the conduction or disconnection of the AC contactor 172. The power supply control unit 171 comprises a key switch 1711, a power supply start switch 1712, an emergency stop button 1713 and a PLC control relay 1714. One end of the key switch 1711 is connected to the power supply module 11. The other end of the key switch 1711 is connected to the power supply start button. The key switch 1711 is used to control the start or stop of the power supply control module 17. The user inserts the key into the key switch 1711 and turns it to the start state, so that the power supply control module 17 is started. When the equipment is maintained, the user can turn the key switch 1711 to the stop state, so that the power supply control module 17 is stopped. At this time, the equipment is in a power-off state. Therefore, the maintenance personnel can safely maintain the equipment. And the maintenance personnel takes out the key and takes it away, preventing others from starting the equipment.

[0051] Please refer to Figure 2 The power supply start switch 1712 and the emergency stop button 1713 are connected. The power supply start switch 1712 is used to start the power supply of the equipment, and the emergency stop button 1713 is used to cut off the power supply control module 17 in an emergency. When an emergency occurs, the user can manually cut off the power supply control module 17 through the emergency stop button 1713. Thus, the user uses the automation equipment with the control module driving circuit more safely. The input end of the PLC control relay 1714 is connected to the emergency stop button 1713. The output end of the PLC control relay 1714 is connected to the control end 1721 of the AC contactor. The control end of the PLC control relay 1714 is connected to the PLC module 12. When the equipment is normally working, the PLC control relay 1714 receives the control signal output by the PLC module 12, and the PLC control relay 1714 is in a conduction state. When the PLC module 12 detects an emergency, the PLC module 12 does not output a control signal, and the PLC control relay 1714 is in a disconnection state. When the PLC module 12 detects an emergency of the equipment, the control relay automatically cuts off the power supply control module 17 in time, so that the equipment is powered off. Thus, the user uses the automation equipment with the control module driving circuit more safely.

[0052] Please refer to Figure 3The first safety control unit 181 comprises a first safety switch 1811, a first start permission relay 1812, a first start switch unit 1813, and a first start relay 1814. One end of the first safety switch 1811 is connected to a first power supply 192. The power supply module 11 can supply power to the first power supply 192 through transformer voltage conversion. The first power supply 192 can be a 24V power supply. The other end of the first safety switch 1811 is connected to an input end of the first start permission relay 1812. The first safety switch 1811 is used to prevent unauthorized operation. In addition, the first safety switch 1811 is a non-contact 1-to-1 safety switch. A control end of the first start permission relay 1812 is connected to the PLC module 12. One end of the first start switch unit 1813 is connected to an output end of the first start permission relay 1812. The other end of the first start switch unit 1813 is connected to a control end 18141 of the first start relay 1814. The first start relay 1814 is connected to the electromagnetic valve 141. The first start switch unit 1813 comprises a first start switch 18131 and a first stop switch 18132.

[0053] Please refer to Figure 3 When the first start permission relay 1812 receives a safety signal, the first start permission relay 1812 is in a conduction state. When the first start permission relay 1812 does not receive a safety signal, the first start permission relay 1812 is in a disconnection state. When the device is not in a safe state, the first start permission relay 1812 will not be turned on, so that the electromagnetic valve 141 as a power source is in a disconnected state. Thus, the user is safer when using the automated device with the circuit.

[0054] Please refer to Figure 3When the device is in the case of meeting the safety condition, the first start switch unit 1813 is in the on state. When the device is not in the case of meeting the safety condition, the first start switch unit 1813 is in the off state. The case of meeting the safety condition is determined by the PLC module 12. When the first safety switch 1811, the first start permission relay 1812, and the first start switch unit 1813 are all on, the control end 18141 of the first start relay receives the voltage output by the power supply, and the first start relay 1814 is in the on state. When the device is not in the case of meeting the safety condition, the first start switch unit 1813 will not be on, so that the electromagnetic valve 141 as the power source is in the off state. Therefore, the user is safer when using the automation equipment with the circuit. When any of the first safety switch 1811, the first start permission relay 1812, and the first start switch unit 1813 is not on, the control end 18141 of the first start relay does not receive the voltage output by the power supply, and the first start relay 1814 is in the off state. Even if any of the first safety switch 1811, the first start permission relay 1812, and the first start switch unit 1813 is not on, the first start relay 1814 will not be on, so that the electromagnetic valve 141 as the power source is in the off state. Therefore, the first start relay 1814 can further provide safety protection for the automation equipment.

[0055] Please refer to Figure 4 The second safety control unit 182 includes a second safety switch 1821, a second start permission relay 1822, a second start switch unit 1823, and a second start relay 1824. One end of the second safety switch 1821 is connected to the second power supply 193. The power supply module 11 can supply power to the second power supply 193 after being transformed by the transformer. The second power supply 193 can be a 24V power supply. The other end of the second safety switch 1821 is connected to the input end of the second start permission relay 1822. The second safety switch 1821 is used to prevent door operation. Moreover, the second safety switch 1821 is a non-contact 1-to-1 safety switch. The control end of the second start permission relay 1822 is connected to the PLC module 12. One end of the second start switch unit 1823 is connected to the output end of the second start permission relay 1822. The other end of the second start switch unit 1823 is connected to the control end 18241 of the second start relay. The second start relay 1824 is connected to the main control valve 143. The second start switch unit 1823 includes a second start switch 18231 and a second off switch 18232.

[0056] Please refer to Figure 4When the second start permission relay 1822 receives the safety signal, the second start permission relay 1822 is in the on state. When the second start permission relay 1822 does not receive the safety signal, the second start permission relay 1822 is in the off state. When the device is not in the safety condition, the second start permission relay 1822 also does not conduct, so that the main control valve 143 as the power source is in the off state. Thus, the user is safer when using the automation device with the circuit.

[0057] Please refer to Figure 4 When the device is in the safety condition, the second start switch unit 1823 is in the on state. When the device is not in the safety condition, the second start switch unit 1823 is in the off state. The safety condition is determined by the PLC module 12. When the second safety switch 1821, the second start permission relay 1822, and the second start switch unit 1823 are all on, the control end 18241 of the second start relay receives the voltage output by the power supply, and the second start relay 1824 is in the on state. When the device is not in the safety condition, the second start switch unit 1823 also does not conduct, so that the main control valve 143 as the power source is in the off state. Thus, the user is safer when using the automation device with the circuit. When any of the second safety switch 1821, the second start permission relay 1822, and the second start switch unit 1823 is not on, the control end 18241 of the second start relay does not receive the voltage output by the power supply, and the second start relay 1824 is in the off state. Even if any of the second safety switch 1821, the second start permission relay 1822, and the second start switch unit 1823 is not on, the second start relay 1824 also does not conduct, so that the main control valve 143 as the power source is in the off state. Thus, the second start relay 1824 can further provide safety protection for the automation device.

[0058] Please refer to Figure 5The third safety control unit 183 comprises a third safety switch 1831, a third start permission relay 1832, a third start switch unit 1833, and a third start relay 1834. One end of the third safety switch 1831 is connected to a third power supply 194. The power supply module 11 can supply power to the third power supply 194 through transformer voltage conversion. The third power supply 194 can be a 24V power supply. The other end of the third safety switch 1831 is connected to the input end of the third start permission relay 1832. The third safety switch 1831 is used to prevent unauthorized operation. In addition, the third safety switch 1831 is a non-contact 1-to-1 safety switch. The control end of the third start permission relay 1832 is connected to the PLC module 12. One end of the third start switch unit 1833 is connected to the output end of the third start permission relay 1832. The other end of the third start switch unit 1833 is connected to the control end 18341 of the third start relay. The third start relay 1834 is connected to an external device. The third start switch unit 1833 comprises a third start switch 18331 and a third stop switch 18332.

[0059] Please refer to Figure 5 When the third start permission relay 1832 receives a safety signal, the third start permission relay 1832 is in a conduction state. When the third start permission relay 1832 does not receive a safety signal, the third start permission relay 1832 is in a non-conduction state. When the device is not in a safe state, the third start permission relay 1832 will not be turned on, so that the external device as a power source is in a non-conduction state. Therefore, the user is safer when using the automated device with the circuit.

[0060] Please refer to Figure 5When the device is in the case of meeting the safety condition, the third starting switch unit 1833 is in the on state. When the device is not in the case of meeting the safety condition, the third starting switch unit 1833 is in the off state. The case of meeting the safety condition is determined by the PLC module 12. When the third safety switch 1831, the third starting permission relay 1832, and the third starting switch unit 1833 are all in the on state, the control end 18341 of the third starting relay receives the voltage output by the power supply, and the third starting relay 1834 is in the on state. When the device is not in the case of meeting the safety condition, the third starting switch unit 1833 will not be in the on state, so that the external device as a power source is in the off state. Therefore, the user is safer when using the automation device with the circuit. When any of the third safety switch 1831, the third starting permission relay 1832, and the third starting switch unit 1833 is not in the on state, the control end 18341 of the third starting relay does not receive the voltage output by the power supply, and the third starting relay 1834 is in the off state. Even if any of the third safety switch 1831, the third starting permission relay 1832, and the third starting switch unit 1833 is not in the on state, the third starting relay 1834 will not be in the on state, so that the external device as a power source is in the off state. Therefore, the third starting relay 1834 can further provide safety protection for the automation device.

[0061] Please refer to Figure 6 The fourth safety control unit 184 includes a fourth safety switch 1841, a fourth starting permission relay 1842, a fourth starting switch unit 1843, and a fourth starting relay 1844. One end of the fourth safety switch 1841 is connected to the fourth power supply 195. The power supply module 11 can supply power to the fourth power supply 195 after being transformed by the transformer. The fourth power supply 195 can be a 24V power supply. The other end of the fourth safety switch 1841 is connected to the input end of the fourth starting permission relay 1842. The fourth safety switch 1841 is used to prevent door operation. Moreover, the fourth safety switch 1841 is a non-contact 1-to-1 safety switch, and the control end of the fourth starting permission relay 1842 is connected to the PLC module 12. One end of the fourth starting switch unit 1843 is connected to the output end of the fourth starting permission relay 1842, and the other end of the fourth starting switch unit 1843 is connected to the control end 18441 of the fourth starting relay. The fourth starting relay 1844 is connected to the servo motor 16. The fourth starting switch unit 1843 includes a fourth starting switch 18431 and a fourth closing switch 18432.

[0062] Please refer to Figure 6When the fourth start permission relay 1842 receives the safety signal, the fourth start permission relay 1842 is in the on state. When the fourth start permission relay 1842 does not receive the safety signal, the fourth start permission relay 1842 is in the off state. When the device is not in the safety condition, the fourth start permission relay 1842 is also not in the on state, so that the servo motor 16 as the power source is in the off state. Thus, the user is safer to use the automation device with the circuit.

[0063] Please refer to Figure 6 When the device is in the safety condition, the fourth start switch unit 1843 is in the on state. When the device is not in the safety condition, the fourth start switch unit 1843 is in the off state. The safety condition is determined by the PLC module 12. When the fourth safety switch 1841, the fourth start permission relay 1842, and the fourth start switch unit 1843 are all in the on state, the control end 18441 of the fourth start relay receives the voltage output by the power supply, and the fourth start relay 1844 is in the on state. When the device is not in the safety condition, the fourth start switch unit 1843 is also not in the on state, so that the servo motor 16 as the power source is in the off state. Thus, the user is safer to use the automation device with the circuit. When any one of the fourth safety switch 1841, the fourth start permission relay 1842, and the fourth start switch unit 1843 is not in the on state, the control end 18441 of the fourth start relay does not receive the voltage output by the power supply, and the fourth start relay 1844 is in the off state. Even if any one of the fourth safety switch 1841, the fourth start permission relay 1842, and the fourth start switch unit 1843 is not in the on state, the fourth start relay 1844 is also not in the on state, so that the servo motor 16 as the power source is in the off state. Thus, the fourth start relay 1844 can further provide safety protection for the automation device.

[0064] In special cases, the user can perform special operations on the device. When the user needs to perform special operations, the user can send a special signal to the PLC module through the device. Thus, the PLC module can turn off the first safety switch 1811, the second safety switch 1821, the third safety switch 1831, and the fourth safety switch 1841 based on the special signal. Further, the first safety control unit 181, the second safety control unit 182, the third safety control unit 183, and the fourth safety control unit 184 are all in the off state. Thus, the user can disconnect the electromagnetic valve 141, the main control valve 143, the external device, and the servo motor 16 as the power source. Therefore, the user can safely perform annual inspection and other operations on the device.

[0065] Please refer to Figure 1 and Figure 2, the driving circuit 10 with the control module further comprises a servo controller 161, one end of the servo controller 161 is connected with the power supply module 11. The other end of the servo controller 161 is connected with the fourth safety control unit 184, the servo controller 161 is used for further controlling the servo motor 16 to open or close, and the servo controller 161 is also used for filtering signal interference in the power supply voltage. The power supply control module 17 further comprises a power supply indicator lamp 191, the power supply indicator lamp 191 is connected with the power supply control module 17 in parallel, and the power supply indicator lamp 191 is used for indicating that the driving circuit is turned on or turned off. When the leakage switch 19 of the equipment is turned on, the power supply indicator lamp 191 is in the lighted state. The power supply indicator lamp 191 can indicate that the driving circuit is turned on, indicating that the equipment is in the powered state and can be powered at any time. When the leakage switch 19 of the equipment is turned off, the power supply indicator lamp 191 is in the extinguished state. The power supply indicator lamp 191 can indicate that the driving circuit is turned off, indicating that the equipment is in the unpowered state.

[0066] The working principle of the utility model is that: when the driving circuit 10 with the control module works, the user can turn on the power supply control module 17 by the key switch 1711, and the power supply module 11 outputs the power supply voltage. The PLC module 12 can output the driving signal and the control signal, and the PLC module 12 outputs the safety signal based on the equipment being in the safe state. The switching power supply module 13 can perform energy storage operation on the power supply voltage, and the switching power supply module 13 can generate the switching power supply voltage. The electromagnetic valve module 14 is provided with the electromagnetic valve 141, the air cylinder 142 and the main control valve 143, and the electromagnetic valve 141 is driven based on the switching power supply voltage and the driving signal. The electromagnetic valve 141 can control the flow direction, flow rate and speed of the gas in the air cylinder 142, the main control valve 143 is connected between the external air pipe and the air cylinder 142, and the main control valve 143 is used for controlling the gas flowing into the air cylinder 142 from the external air pipe. The external instrument module 15 is used for driving based on the power supply voltage, and the servo motor 16 can be driven based on the power supply voltage.

[0067] When the equipment is in an emergency, the user can use the emergency stop button 1713 to cut off the power supply control module 17 in the emergency. When the PLC module 12 detects the emergency, the PLC module 12 stops outputting the control signal, so that the PLC control relay 1714 is in the off state. Further, the power supply control module 17 is turned off. Therefore, the user uses the automation with the driving circuit more safely.

[0068] If the first start permission relay 1812, the second start permission relay 1822, the third start permission relay 1832 and the fourth start permission relay 1842 do not receive the safety signal, the first start permission relay 1812, the second start permission relay 1822, the third start permission relay 1832 and the fourth start permission relay 1842 are all in the off state. Thus, the first safety control unit 181, the second safety control unit 182, the third safety control unit 183 and the fourth safety control unit 184 are all in the off state. Therefore, the user can disconnect the electromagnetic valve 141, the main control valve 143, the external device and the servo motor 16 as the power source.

[0069] When the device is not in the case where the safety condition is satisfied, the first safety start switch, the second safety start switch, the third safety start switch and the fourth safety start switch are all in the off state. Thus, the first safety control unit 181, the second safety control unit 182, the third safety control unit 183 and the fourth safety control unit 184 are all in the off state. Therefore, the user can disconnect the electromagnetic valve 141, the main control valve 143, the external device and the servo motor 16 as the power source.

[0070] The utility model provides a kind of drive circuit with control module, the drive circuit with control module is provided with power control module. Because the drive circuit is provided with power control module, when equipment is abnormal, user can immediately cut off power supply by the power control module. And, when equipment is maintained, user can cut off power supply by power control module, and then user cannot start equipment. Therefore, user uses and maintains the equipment more safely. Moreover, the drive circuit is also provided with safety control module, and safety control module can be used to prevent personnel from door operation. When equipment safety cover is opened or equipment is not started, safety control module can close power source, so that equipment is in no power source state. And when equipment is abnormal, the safety control module can automatically cut off power source, and the power source can be electromagnetic valve, main control valve, external instrument module and servo motor. Thus, user uses the equipment more safely. Effectively solve the technical problem that existing automation equipment has greater security risk.

[0071] In conclusion, although the utility model has disclosed as above with preferred embodiment, the above preferred embodiment is not used to limit the utility model, ordinary skilled in the art can make various changes and decorations without departing from the spirit and scope of the utility model, so the protection scope of the utility model is limited by the scope defined by claim.

Claims

1. A drive circuit having a control module, characterized by It includes, Power supply module, for outputting power supply voltage; PLC module, connected with the power supply module, for outputting driving signal, control signal, and safety signal based on the device being in a safe state; Switching power supply module, connected in parallel with the PLC module, for energy storage operation on the power supply voltage to generate switching power supply voltage; Solenoid valve module, including solenoid valve, air cylinder and main control valve, the solenoid valve is connected with the switching power supply module, the solenoid valve is driven based on the switching power supply voltage and the driving signal, the solenoid valve is used to control the flow direction, flow and speed of the gas inside the air cylinder, the main control valve is connected between the external air pipe and the air cylinder, and the main control valve is used to control the gas flowing into the air cylinder from the external air pipe; External instrument module, connected in parallel with the PLC module, the external instrument module is used to drive based on the power supply voltage; Servo motor, connected in parallel with the PLC module, the servo motor is used to drive based on the power supply voltage; Power control module, connected in series between the power supply module and the PLC module, used to control the driving circuit to be turned on or off based on the control signal; Safety control module, including first safety control unit, second safety control unit, third safety control unit and fourth safety control unit, the first safety control unit is connected between the switching power supply module and the solenoid valve, and is used to control the solenoid valve to be opened or closed; the second safety control unit is connected with the main control valve, and is used to control the main control valve to be opened or closed based on the safety signal; the third safety control unit is connected between the power supply module and the external instrument module, and is used to control the external instrument module to be opened or closed; the fourth safety control unit is connected between the power supply module and the servo motor, and is used to control the servo motor to be opened or closed.

2. The drive circuit with control module according to claim 1, characterized in that The power control module includes a power control unit and an AC contactor, the input end of the AC contactor is connected with the power supply module, the output end of the AC contactor is connected with the PLC module, the switching power supply module, the external instrument module and the servo motor, one end of the control end of the AC contactor is connected with the power control unit, the other end of the power control unit is connected with the power supply module, and the power control unit is used to control the AC contactor to be turned on or off.

3. The drive circuit with control module according to claim 2, characterized in that The power control unit includes a key switch, a power start switch, an emergency stop button and a PLC control relay, one end of the key switch is connected with the power supply module, the other end of the key switch is connected with the power start button, and the key switch is used to control the power control module to be opened or disconnected; the power start switch is connected with the emergency stop button, the power start switch is used to start the power supply of the device, and the emergency stop button is used to cut off the power control module in an emergency. The input end of the PLC control relay is connected with the emergency stop button, the output end of the PLC control relay is connected with the control end of the AC contactor, and the control end of the PLC control relay is connected with the PLC module; when the PLC module detects that the equipment is in a normal working state, the PLC control relay receives a control signal output by the PLC module, and the PLC control relay is in a conducting state; when the PLC module detects an emergency, the PLC module does not output the control signal, and the PLC control relay is in a disconnected state.

4. The drive circuit with control module of claim 1, wherein, The first safety control unit comprises a first safety switch, a first start permission relay, a first start switch unit and a first start relay; one end of the first safety switch is connected with a power supply, and the other end of the first safety switch is connected with the input end of the first start permission relay; the first safety switch is used for preventing other door operation; the control end of the first start permission relay is connected with the PLC module; one end of the first start switch unit is connected with the output end of the first start permission relay, and the other end of the first start switch unit is connected with the control end of the first start relay; the first start relay is connected with the electromagnetic valve; When the first start permission relay receives a safety signal, the first start permission relay is in a conducting state; when the first start permission relay does not receive the safety signal, the first start permission relay is in a disconnected state; When the equipment is in a safe condition, the first start switch unit is in a conducting state; when the equipment is not in the safe condition, the first start switch unit is in a disconnected state; When the first safety switch, the first start permission relay and the first start switch unit are all conducting, the control end of the first start relay receives a voltage output by the power supply, and the first start relay is in a conducting state; when any one of the first safety switch, the first start permission relay and the first start switch unit is not conducting, the control end of the first start relay does not receive the voltage output by the power supply, and the first start relay is in a disconnected state.

5. The drive circuit with control module of claim 1, wherein, The second safety control unit comprises a second safety switch, a second start permission relay, a second start switch unit and a second start relay; one end of the second safety switch is connected with a power supply, and the other end of the second safety switch is connected with the input end of the second start permission relay; the second safety switch is used for preventing other door operation; the control end of the second start permission relay is connected with the PLC module; one end of the second start switch unit is connected with the output end of the second start permission relay, and the other end of the second start switch unit is connected with the control end of the second start relay; the second start relay is connected with the main control valve; When the second start permission relay receives a safety signal, the second start permission relay is in a conducting state; when the second start permission relay does not receive the safety signal, the second start permission relay is in a disconnected state. When the device is in a safe condition, the second starting switch unit is in a conductive state; when the device is not in a safe condition, the second starting switch unit is in a non-conductive state; When the second safety switch, the second starting permission relay, and the second starting switch unit are all conductive, the control end of the second starting relay receives the voltage output by the power supply, and the second starting relay is in a conductive state; when any of the second safety switch, the second starting permission relay, and the second starting switch unit is not conductive, the control end of the second starting relay does not receive the voltage output by the power supply, and the second starting relay is in a non-conductive state.

6. The drive circuit with control module of claim 1, wherein, The third safety control unit includes a third safety switch, a third starting permission relay, a third starting switch unit, and a third starting relay. One end of the third safety switch is connected to a power supply, and the other end of the third safety switch is connected to an input end of the third starting permission relay. The third safety switch is used to prevent door operation. A control end of the third starting permission relay is connected to the PLC module. One end of the third starting switch unit is connected to an output end of the third starting permission relay, and the other end of the third starting switch unit is connected to a control end of the third starting relay. The third starting relay is connected to the external instrument module. When the third starting permission relay receives a safety signal, the third starting permission relay is in a conductive state. When the third starting permission relay does not receive a safety signal, the third starting permission relay is in a non-conductive state. When the device is in a safe condition, the third starting switch unit is in a conductive state; when the device is not in a safe condition, the third starting switch unit is in a non-conductive state. When the third safety switch, the third starting permission relay, and the third starting switch unit are all conductive, the control end of the third starting relay receives the voltage output by the power supply, and the third starting relay is in a conductive state; when any of the third safety switch, the third starting permission relay, and the third starting switch unit is not conductive, the control end of the third starting relay does not receive the voltage output by the power supply, and the third starting relay is in a non-conductive state.

7. The drive circuit with control module of claim 1, wherein, The fourth safety control unit includes a fourth safety switch, a fourth starting permission relay, a fourth starting switch unit, and a fourth starting relay. One end of the fourth safety switch is connected to a power supply, and the other end of the fourth safety switch is connected to an input end of the fourth starting permission relay. The fourth safety switch is used to prevent door operation. A control end of the fourth starting permission relay is connected to the PLC module. One end of the fourth starting switch unit is connected to an output end of the fourth starting permission relay, and the other end of the fourth starting switch unit is connected to a control end of the fourth starting relay. The fourth starting relay is connected to the servo motor. When the fourth starting permission relay receives a safety signal, the fourth starting permission relay is in a conductive state. When the fourth starting permission relay does not receive a safety signal, the fourth starting permission relay is in a non-conductive state. When the fourth start permission relay does not receive the safety signal, the fourth start permission relay is in an off state; When the device is in a safety condition, the fourth start switch unit is in an on state; when the device is not in a safety condition, the fourth start switch unit is in an off state; When the fourth safety switch, the fourth start permission relay and the fourth start switch unit are all in an on state, the control end of the fourth start relay receives the voltage output by the power supply, and the fourth start relay is in an on state; when any of the fourth safety switch, the fourth start permission relay and the fourth start switch unit is not in an on state, the control end of the fourth start relay does not receive the voltage output by the power supply, and the fourth start relay is in an off state.

8. The drive circuit with control module of claim 1, wherein, The driving circuit with a control module further comprises a servo controller, one end of the servo controller being connected to the power supply module, and the other end of the servo controller being connected to the fourth safety control unit, the servo controller being used for further controlling the servo motor to be turned on or turned off, and further being used for filtering signal interference in the power supply voltage.

9. The drive circuit with control module of claim 1, wherein, The power supply control module further comprises a power supply indicator lamp, the power supply indicator lamp being connected in parallel with the power supply control module, and the power supply indicator lamp being used for indicating whether the driving circuit is in an on state or an off state.

10. An automated apparatus, characterized by, The driving circuit with a control module comprises the driving circuit with a control module according to any one of claims 1-9.

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