CN215181553U

CN215181553U - PLC-controlled packaging workshop air shower control system

Info

Publication number: CN215181553U
Application number: CN202121878821.7U
Authority: CN
Inventors: 刘军; 史永革; 周艳霞; 姜蕾蕾
Original assignee: Jiusan Grain & Oil Industry Group Co ltd
Current assignee: Jiusan Grain & Oil Industry Group Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-12-14
Anticipated expiration: 2031-08-11

Abstract

The utility model provides a packaging workshop air shower control system of PLC control, belongs to air shower technical field, is low to current air shower control system degree of automation, and the problem that clean effect is not enough is proposed. The utility model discloses a photoelectric switch detecting element, threshold spacing detecting element, PLC controller, auxiliary relay, ac contactor, fan group, magnetic force lock, the PLC controller includes the CPU module to and DI module, DO module and the communication module that links to each other with the CPU module, photoelectric switch detecting element passes through the DI module and links to each other with the CPU module, the spacing detecting element of door passes through the DI module and links to each other with the CPU module, the magnetic force lock passes through the DO module and links to each other with the CPU module, auxiliary relay passes through the DO module and links to each other with the CPU module, fan group passes through ac contactor with auxiliary relay links to each other. System, degree of automation is high, clean effectual.

Description

PLC-controlled packaging workshop air shower control system

Technical Field

The utility model relates to an air shower technical field especially relates to a packaging workshop air shower control system of PLC control.

Background

The air shower is a purifying device, which is arranged between a clean area and a non-clean area, and the dust and static electricity carried by a human body can be removed by the clean air blown out of the air shower, so that the dust can be effectively blocked or reduced to enter the clean area.

At present, the existing air shower has insufficient air shower angle and coverage area, low automation degree in use, inconvenient operation, air shower in the process of leaving a clean area, energy waste and shortened service life of equipment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that above-mentioned prior art exists, the utility model provides a packaging workshop air shower control system of PLC control improves wind and drenches coverage area, improves degree of automation, and the system is automatic to judge whether to get into clean region or leave clean district, does not start wind when leaving and drenches.

The utility model discloses a technical scheme lie in:

the utility model provides a packaging workshop wind leaching rooms control system of PLC control, includes photoelectric switch detecting element, threshold spacing detecting element, PLC controller, auxiliary relay, ac contactor, fan group, magnetic force lock, the PLC controller includes the CPU module to and DI module, DO module and the communication module who links to each other with the CPU module, photoelectric switch detecting element passes through the DI module and links to each other with the CPU module, the spacing detecting element of door passes through the DI module and links to each other with the CPU module, the magnetic force lock passes through the DO module and links to each other with the CPU module, auxiliary relay passes through the DO module and links to each other with the CPU module, fan group passes through ac contactor with auxiliary relay links to each other.

The touch screen is connected with the CPU module through the communication module.

The utility model has the advantages that:

1. the utility model discloses an air shower control system judges automatically whether someone is in the air shower, and nobody then does not start the wind and drenches.

2. The utility model discloses an air shower control system comprises 24 exhaust vents, covers each angle comprehensively to the air shower time reaches 10 seconds, and is clean effectual.

3. The utility model discloses an automatic judgement personnel business turn over state of air shower control system leaves the clean district out of work, extension equipment life.

4. The utility model discloses a built-in touch-sensitive screen of air shower control system has the effect that trouble suggestion and running state show, optimizes the result of use.

Drawings

FIG. 1 is a block diagram of a PLC-controlled air shower control system of a packaging workshop;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to the attached drawing 1, the PLC-controlled packaging workshop air shower control system comprises a photoelectric switch detection element, a door limiting detection element, a PLC controller, an intermediate relay, an alternating current contactor, a fan set and a magnetic lock, wherein the PLC controller comprises a CPU module, a DI module, a DO module and a communication module, the DI module, the DO module and the communication module are connected with the CPU module, the photoelectric switch detection element is connected with the CPU module through the DI module, the door limiting detection element is connected with the CPU module through the DI module, the magnetic lock is connected with the CPU module through the DO module, the intermediate relay is connected with the CPU module through the DO module, and the fan set is connected with the intermediate relay through the alternating current contactor.

The photoelectric switch is provided with the model of XU1-N18PP340D, and the detection element is arranged at the position 30CM away from the air shower entrance door and used for detecting whether personnel enter the air shower and outputting a detection signal, and the signal is transmitted to the CPU module through the DI module.

The door threshold detection element is used for transmitting the opening and closing signals of the door to the CPU module through the DI module.

The CPU module is a Siemens S7-200 CPU224, receives signals of the photoelectric switch detection element and the door limit detection element through a DI module, generates a control instruction according to an input signal and sends the control instruction to the intermediate relay and the magnetic lock through the DO module.

The magnetic lock is SL-180 in model, and the CPU module sends out a control instruction through the DO module to control the opening and locking states of the door.

The intermediate relay controls the alternating current contactor, the alternating current contactor is responsible for controlling the start and stop of the fan unit, and the fan unit is arranged on the left side and the right side of the air shower and is divided into 24 air outlet holes for continuous blowing.

And the touch screen is connected with the CPU module through the communication module, monitors the running state of the equipment and displays fault alarm information.

The working process of the embodiment is as follows:

when personnel get into the packing work area through the air shower: the air shower entrance door is opened, the door limiting detection element generates a switching value signal of 1, meanwhile, the CPU module controls the magnetic lock of the exit door to be locked through the DO module, when a person blocks light reflected by the photoelectric switch, the photoelectric switch detection element can generate a switching value signal from 0 to 1, the CPU module controls the intermediate relay to work through the DO module, the intermediate relay controls the alternating current contactor to work, the fan unit is started, the fan unit continuously blows the person for 10 seconds from the left side and the right side of the air shower and then automatically stops, the CPU module controls the magnetic lock of the exit door to be unlocked through the DO module, and the person can enter a working area.

The CPU module achieves the purposes of controlling air shower time and automatically starting and stopping by controlling the starting and stopping states of the fan unit, the CPU module sends a control signal to the intermediate relay through the DO module, and the intermediate relay controls the alternating current relay to open and close so as to control the starting and stopping of the fan unit.

When the personnel walk out of the packaging work area through the air shower: when an outlet door of the air shower is opened, a door threshold detection element generates a switching value signal of 1, the CPU module controls the magnetic lock to be locked through the DO module, when personnel enter the air shower and the outlet door is closed, the door threshold detection element generates a switching value signal of 0, the CPU module controls the magnetic lock of the inlet door to be unlocked through the DO module, the CPU module does not send an instruction for controlling an intermediate relay to work to the DO module, a fan is not started, and the personnel leave a work area.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a packaging workshop air shower control system of PLC control which characterized in that: including photoelectric switch detecting element, threshold spacing detecting element, PLC controller, auxiliary relay, ac contactor, fan group and magnetic force lock, the PLC controller includes the CPU module to and DI module, DO module and the communication module that links to each other with the CPU module, photoelectric switch detecting element passes through the DI module and links to each other with the CPU module, the spacing detecting element of door passes through the DI module and links to each other with the CPU module, the magnetic force lock passes through the DO module and links to each other with the CPU module, auxiliary relay passes through the DO module and links to each other with the CPU module, the fan group pass through ac contactor with auxiliary relay links to each other.

2. The PLC-controlled packaging workshop air shower control system according to claim 1, characterized in that: the touch screen is connected with the CPU module through the communication module and used for displaying the running state and the fault alarm information.

3. The PLC-controlled packaging workshop air shower control system according to claim 1, characterized in that: the CPU module is used for controlling the air shower time and automatically starting and stopping.

4. The PLC-controlled packaging workshop air shower control system according to claim 1, characterized in that: the CPU module is of a type S7-200 CPU 224.

5. The PLC-controlled packaging workshop air shower control system according to claim 1, characterized in that: the model of the photoelectric switch detection element is XU1-N18PP 340D.

6. The PLC-controlled packaging workshop air shower control system according to claim 1, characterized in that: the magnetic lock is SL-180 in model.