CN110888386A - Large-traffic aerosol sample control system based on PLC - Google Patents
Large-traffic aerosol sample control system based on PLC Download PDFInfo
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- CN110888386A CN110888386A CN201911083854.XA CN201911083854A CN110888386A CN 110888386 A CN110888386 A CN 110888386A CN 201911083854 A CN201911083854 A CN 201911083854A CN 110888386 A CN110888386 A CN 110888386A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention belongs to the field of radiation monitoring gas sampling, and provides a high-flow aerosol sampling control system based on a PLC (programmable logic controller), which comprises a power supply module, a signal input module and a motor control module, wherein the power supply module comprises an AC220V control power supply circuit and an AC220V pump power supply circuit, the signal input module comprises a button input circuit and a photoelectric detection switch input circuit, the button input circuit and the photoelectric detection switch input circuit are connected with the control power supply output end of the AC220V control power supply circuit, and the motor control module is connected with the filter output end of the AC220V control power supply circuit. The invention adopts a PLC-based control system, combines a sampling mechanical device to sample the aerosol with high flow, and has the advantages of simple circuit design, strong universality and stable and reliable operation.
Description
Technical Field
The invention belongs to the field of radiation monitoring gas sampling, and particularly relates to a high-flow aerosol sampling control system based on a PLC.
Background
At present, the traditional gas radiation monitoring equipment measures the instantaneous dosage rate of gas, but cannot sample and measure aerosol with large flow for a long time. In actual environmental radiation monitoring, a monitoring space is generally required to be subjected to long-time air extraction sampling monitoring. The existing monitoring equipment can not meet the use requirements.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a high-flow aerosol sampling control system based on a PLC (programmable logic controller).
In order to achieve the purpose, the invention is realized by the following technical measures: a high-flow aerosol sampling control system based on a PLC comprises a power supply module, a signal input module and a motor control module. The power module includes an AC220V control power circuit and an AC220V pump power circuit; the signal input module comprises a button input circuit and a photoelectric detection switch input circuit; the button input circuit and the photoelectric detection switch input circuit are connected with the control power supply output end of the AC220V control power supply circuit, and the motor control module is connected with the filter output end of the AC220V control power supply circuit.
In the above technical scheme, AC220V control power supply circuit is including control power supply filter 001FD, green power indicator 001AB ~002AB, control switch 001CC, control power circuit breaker 001JA, scram switch 001TO, scram relay 002UJ, control power 001AL, motor power 002 AL. The AL, AN and PE ends of the control power supply filter 001FD are respectively connected with a live wire, a zero wire and a ground wire of a control power supply; the L +, N and PE output ends of the control power filter 001FD are respectively connected to L, N and PE input ends of a control power supply 001AL and a motor power supply 002AL through circuit breakers 001JA and 001CC control power switches; the green power source indicator lamps 001 AB-002 AB are respectively connected to the output ends of the control power source filter 001FD and the motor power source 002AL in parallel; the coil end of the scram relay 002UJ is connected in parallel TO the L, N end of the control power supply 001AL through the scram switch 001TO, and the normally open output end is connected with the output end of the motor power supply 002 AL.
In the above technical solution, the AC220V pump power supply circuit includes an air pump filter 002FD, an air pump circuit breaker 002JA, an air pump fuse 001FU, an air pump control contactor 001UJ, an air pump control relay 001UM, and an air pump 001 PO. The AL, AN and PE ends of the air pump filter 002FD are respectively connected with a live wire, a zero wire and a ground wire of a pump power supply; the output end of the air pump filter 002FD is connected to the air pump 001PO through the coil ends of the air pump breaker 002JA, the air pump fuse 001FU and the air pump control contactor 001 UJ; the pump control relay 001UM is connected to the pump filter 002FD output.
In the technical scheme, the button input circuit comprises buttons 002 TO-004 TO, an emergency stop relay 002UJ normally-open output end, a mode selection switch 002CC and a PLC-CPU module 001 UC. 002 TO-004 TO, an emergency stop relay 002UJ normally-open output end and a mode selection switch 002CC are respectively connected TO the I.0, I.1, I.2, I.3, I.5 and I.6 digital signal input ends of the PLC-CPU module 001 UC.
In the above technical scheme, the photoelectric detection switch input circuit includes photoelectric detection switches 001SM to 007SM, and a PLC digital signal input module 004 UC. The L + and M input ends of the photoelectric detection switches 001 SM-007 SM are respectively connected to the output end of the control power supply 001AL, and the output ends of the photoelectric detection switches 001 SM-007 SM are respectively connected to the 0-6 ports of the PLC digital signal input module 004 UC.
In above-mentioned technical scheme, still include signal lamp output module, signal lamp output module is connected with AC220V control power supply circuit's control power supply output, signal lamp output module includes green pilot lamp 005TO, 011TO, 006TO, 012TO, 007TO, 013TO, PLC digital signal output module 005 UC. Green pilot lamp 005TO, 011TO, 006TO, 012TO, 007TO, 013TO are connected TO PLC digital signal output module 005 UC's 0~5 output port respectively.
In the technical scheme, the motor control module comprises a motor driver 009 UC-010 UC. The direction + and the pulse + of the motor driver 009UC are respectively connected to the PLC-CPU module 001UC output terminals Q.0, Q.1 of the button input circuit through the resistors 001R, 002R of the button input circuit, one ends of the resistors 001R, 002R are respectively connected to the 001UC output terminals Q.0, Q.1, and the other ends are respectively connected to the direction + and the pulse + of the motor driver 009UC, for adjusting the current magnitude of the direction + and the pulse + input to the motor driver 009 UC; the direction + and the pulse + of the motor driver 0010UC are respectively connected to the output ends Q.2 and Q.3 of a PLC-CPU module 001UC of the button input circuit through resistors 003R and 004R of the button input circuit, one ends of the resistors 003R and 004R are respectively connected to the output ends Q.2 and Q.3 of the 001UC, and the other ends of the resistors are respectively connected to the direction + and the pulse + of the motor driver 0010UC, and the direction + and the pulse + of the motor driver 0010UC are used for adjusting the current input to the motor driver and the pulse +; the U, V, W end of the motor driver 009UC is connected with the input end of the stepping motor 001MO, and the U, V, W end of the motor driver 010UC is connected with the input end of the stepping motor 002 MO.
The large-flow aerosol sampling control system based on the PLC has the advantages of multiple functional types, repeated programming, high running speed, high safety and the like. The fuse core fusing value can be selected according to the limit condition, the program can be changed according to the actual mechanical action requirement in the PLC-CPU to meet different requirements, one stepping motor uses one driver to increase the reliability, and the output current of the driver can be adjusted according to the power of the motor.
Drawings
FIG. 1 is a schematic circuit diagram of an AC220V control power supply circuit and an AC220V pump power supply circuit according to the present invention.
Fig. 2 is a schematic circuit diagram of a button input circuit in the signal input module according to the present invention.
Fig. 3 is a schematic circuit diagram of an input circuit of a photodetection switch in a signal input module according to the present invention.
Fig. 4 is a schematic circuit diagram of a signal lamp output module according to the present invention.
Fig. 5 is a schematic circuit diagram of the motor control module of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
The embodiment of the invention provides a high-flow aerosol sampling control system based on a PLC (programmable logic controller), which comprises a power module, a signal input module and a motor control module. The power module includes an AC220V control power circuit and an AC220V pump power circuit; the signal input module comprises a button input circuit and a photoelectric detection switch input circuit. The button input circuit and the photoelectric detection switch input circuit are connected with the control power supply output end of the AC220V control power supply circuit, and the motor control module is connected with the filter output end of the AC220V control power supply circuit.
As shown in FIG. 1, the AC220V control power supply circuit comprises a control power supply filter 001FD, green power supply indicator lamps 001 AB-002 AB, a control power supply switch 001CC, a control power supply breaker 001JA, an emergency stop switch 001TO, an emergency stop relay 002UJ, a control power supply 001AL and a motor power supply 002 AL. The AL, AN and PE ends of the control power supply filter 001FD are respectively connected with a live wire, a zero wire and a ground wire of a control power supply; the L +, N and PE output ends of the control power filter 001FD are respectively connected to L, N and PE input ends of a control power supply 001AL and a motor power supply 002AL through circuit breakers 001JA and 001CC control power switches; the green power source indicator lamps 001 AB-002 AB are respectively connected to the output ends of the control power source filter 001FD and the motor power source 002AL in parallel; the coil end of the scram relay 002UJ is connected in parallel TO the L, N end of the control power supply 001AL through the scram switch 001TO, and the normally open output end is connected with the output end of the motor power supply 002 AL. The AC220V control power circuit can provide 24V controllable power for the signal input module, the signal light output module, and the motor control module. The AC220V pump power supply circuit includes an air pump filter 002FD, an air pump circuit breaker 002JA, an air pump fuse 001FU, an air pump control contactor 001UJ, an air pump control relay 001UM, and an air pump 001 PO. The AL, AN and PE ends of the air pump filter 002FD are respectively connected with a live wire, a zero wire and a ground wire of a pump power supply; the output end of the air pump filter 002FD is connected to the air pump 001PO through the coil ends of the air pump breaker 002JA, the air pump fuse 001FU and the air pump control contactor 001 UJ; the pump control relay 001UM is connected to the pump filter 002FD output. The circuit breaker can manual control the start-stop of pump, and the fuse prevents that the aspiration pump from burning out because of the electric current is too big, and on contactor coil contact received PLC's dry contact, then accessible PLC program control pump opened and stop.
As shown in FIG. 2, the button input circuit comprises buttons 002 TO-004 TO, an emergency stop relay 002UJ normally open output end, a mode selection switch 002CC and a PLC-CPU module 001 UC. 002 TO-004 TO, an emergency stop relay 002UJ normally-open output end and a mode selection switch 002CC are respectively connected TO the I.0, I.1, I.2, I.3, I.5 and I.6 digital signal input ends of the PLC-CPU module 001 UC. The on-off signal of the switch is directly input to the input end of the PLC-CPU module, and the program in the PLC can receive the digital logic signal for processing.
As shown in FIG. 3, the photoelectric detection switch input circuit comprises photoelectric detection switches 001 SM-007 SM and a PLC digital signal input module 004 UC. The L + and M input ends of the photoelectric detection switches 001 SM-007 SM are respectively connected to the output end of the control power supply 001AL, and a 24V power supply can be provided. The output ends of the photoelectric detection switches 001 SM-007 SM are respectively connected to 0-6 ports of the PLC digital signal input module 004 UC. The on-off signal of the photoelectric detection switch is directly input to the input end of the PLC digital signal input module, and the program in the PLC can receive the digital logic signal for processing.
As shown in fig. 4, the large-flow aerosol sampling control system based on PLC of this embodiment further includes a signal lamp output module, and the signal lamp output module is connected with the control power supply output end of the AC220V control power supply circuit, and the signal lamp output module includes green indicator lamp 005TO, 011TO, 006TO, 012TO, 007TO, 013TO, PLC digital signal output module 005 UC. Green pilot lamp 005TO, 011TO, 006TO, 012TO, 007TO, 013TO are connected TO PLC digital signal output module 005 UC's 0~5 output port respectively. The program in the PLC generates digital logic signals and outputs the digital logic signals to the digital signal output module, and the digital logic signals are output to one section of the indicating lamp through the dry contact, so that the on and off of the indicating lamp can be controlled.
As shown in FIG. 5, the motor control module comprises a motor driver 009 UC-010 UC. The direction + and the pulse + of the motor driver 009UC are respectively connected to the PLC-CPU module 001UC output terminals Q.0, Q.1 of the button input circuit through the resistors 001R, 002R of the button input circuit, one ends of the resistors 001R, 002R are respectively connected to the 001UC output terminals Q.0, Q.1, and the other ends are respectively connected to the direction + and the pulse + of the motor driver 009UC, for adjusting the current magnitude of the direction + and the pulse + input to the motor driver 009 UC; the direction + and the pulse + of the motor driver 0010UC are respectively connected to the output ends Q.2 and Q.3 of a PLC-CPU module 001UC of the button input circuit through resistors 003R and 004R of the button input circuit, one ends of the resistors 003R and 004R are respectively connected to the output ends Q.2 and Q.3 of the 001UC, and the other ends of the resistors are respectively connected to the direction + and the pulse + of the motor driver 0010UC, and the direction + and the pulse + of the motor driver 0010UC are used for adjusting the current input to the motor driver and the pulse +; the direction-, pulse-of both motor drivers 009U and 010UCC are connected to the negative output of motor 002AL of the AC220V control power supply circuit; the U, V, W end of the motor driver 009UC is connected with the input end of the stepping motor 001MO, and the U, V, W end of the motor driver 010UC is connected with the input end of the stepping motor 002MO, so as to provide a three-phase power supply for the motor operation; the motor driver 009 UC-010 UC DC + and DC-are connected with the output end of the motor 002AL of the AC220V control power circuit, and a 24V power supply is provided for the motor driver. In the control of the motor, the configuration of the motor needs to be completed in a PLC program, the software interfaces of the motor and the PLC are set to be consistent with the hardware connection, and parameters such as the running speed, the running direction and the running boundary of the motor are set.
Details not described in the present specification belong to the prior art known to those skilled in the art.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, such that any modification, equivalent replacement or improvement made within the spirit and principle of the present invention shall be included within the scope of the present invention.
Claims (7)
1. The utility model provides a large-traffic aerosol sample control system based on PLC, characterized by: the device comprises a power supply module, a signal input module and a motor control module, wherein the power supply module comprises an AC220V control power supply circuit and an AC220V pump power supply circuit; the signal input module comprises a button input circuit and a photoelectric detection switch input circuit, the button input circuit and the photoelectric detection switch input circuit are connected with the control power supply output end of the AC220V control power supply circuit, and the motor control module is connected with the filter output end of the AC220V control power supply circuit.
2. The PLC-based high flow aerosol sampling control system of claim 1, wherein: the AC220V control power supply circuit comprises a control power supply filter 001FD, green power supply indicator lamps 001 AB-002 AB, a control power supply switch 001CC, a control power supply breaker 001JA, an emergency stop switch 001TO, an emergency stop relay 002UJ, a control power supply 001AL and a motor power supply 002 AL; the AL, AN and PE ends of the control power supply filter 001FD are respectively connected with a live wire, a zero wire and a ground wire of a control power supply; the L +, N and PE output ends of the control power supply filter 001FD are respectively connected to L, N and PE input ends of a control power supply 001AL and a motor power supply 002AL through a control power supply breaker 001JA and a control power supply switch 001 CC; the green power source indicator lamps 001 AB-002 AB are respectively connected to the output ends of the control power source filter 001FD and the motor power source 002AL in parallel; the coil end of the scram relay 002UJ is connected in parallel TO the L, N end of the control power supply 001AL through the scram switch 001TO, and the normally open output end is connected with the output end of the motor power supply 002 AL.
3. The PLC-based high flow aerosol sampling control system of claim 1, wherein: the AC220V pump power supply circuit comprises AN air suction pump filter 002FD, AN air suction pump breaker 002JA, AN air suction pump fuse 001FU, AN air suction pump control contactor 001UJ, AN air suction pump control relay 001UM, AN air suction pump 001PO, wherein the AL, AN and PE ends of the air suction pump filter 002FD are respectively connected with a live wire, a zero wire and a ground wire of a pump power supply; the output end of the air pump filter 002FD is connected to the air pump 001PO through the coil ends of the air pump breaker 002JA, the air pump fuse 001FU and the air pump control contactor 001 UJ; the suction pump control relay 001UM is connected to the output terminal of the suction pump filter 002 FD.
4. The PLC-based high flow aerosol sampling control system of claim 1, wherein: the button input circuit comprises buttons 002 TO-004 TO, an emergency stop relay 002UJ normally-open output end, a mode selection switch 002CC, a PLC-CPU module 001UC, buttons 002 TO-004 TO, an emergency stop relay 002UJ normally-open output end and a mode selection switch 002CC which are respectively connected TO I.0, I.1, I.2, I.3, I.5 and I.6 digital signal input ends of the PLC-CPU module 001 UC.
5. The PLC-based high flow aerosol sampling control system of claim 1, wherein: photoelectric detection switch input circuit includes photoelectric detection switch 001SM ~007SM, PLC digital signal input module 004UC, and photoelectric detection switch 001SM ~007 SM's L + and M input are connected to control power supply 001 AL's output respectively, and photoelectric detection switch 001SM ~007 SM's output is connected to PLC digital signal input module 004 UC's 0~6 port respectively.
6. The PLC-based high flow aerosol sampling control system of claim 1, wherein: still include signal lamp output module, signal lamp output module is connected with AC220V control power supply circuit's control power supply output end, signal lamp output module includes green pilot lamp 005TO, 011TO, 006TO, 012TO, 007TO, 013TO, PLC digital signal output module 005UC, and green pilot lamp 005TO, 011TO, 006TO, 012TO, 007TO, 013TO are connected TO PLC digital signal output module 005 UC's 0~5 output port respectively.
7. The PLC-based high flow aerosol sampling control system of claim 1, wherein: the motor control module comprises a motor driver 009 UC-010 UC, the direction + and the pulse + of the motor driver 009UC are respectively connected to PLC-CPU module 001UC output ends Q.0 and Q.1 of the button input circuit through resistors 001R and 002R of the button input circuit, one ends of the resistors 001R and 002R are respectively connected to 001UC output ends Q.0 and Q.1, and the other ends of the resistors are respectively connected to the direction + and the pulse + of the motor driver 009UC and used for adjusting the current input to the direction + and the pulse + of the motor driver 009 UC; the direction + and the pulse + of the motor driver 0010UC are respectively connected to the output ends Q.2 and Q.3 of a PLC-CPU module 001UC of the button input circuit through resistors 003R and 004R of the button input circuit, one ends of the resistors 003R and 004R are respectively connected to the output ends Q.2 and Q.3 of the 001UC, and the other ends of the resistors are respectively connected to the direction + and the pulse + of the motor driver 0010UC, and the direction + and the pulse + of the motor driver 0010UC are used for adjusting the current input to the motor driver and the pulse +; the U, V, W end of the motor driver 009UC is connected with the input end of the stepping motor 001MO, and the U, V, W end of the motor driver 010UC is connected with the input end of the stepping motor 002 MO.
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Cited By (1)
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|---|---|---|---|---|
| CN112909927A (en) * | 2021-01-28 | 2021-06-04 | 青岛科捷机器人有限公司 | Control circuit of module system |
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