CN205540074U - Quick rolling slats door wind drenches control system - Google Patents

Abstract

The utility model provides a quick rolling slats door wind drenches control system, including photoelectricity rotary encoder, converter and main control unit, photoelectricity rotary encoder locates the spool department of rolling slats door for spool to the rolling slats door carries out the pivoted count, the converter links to each other with rolling door motor, rolling door motor is used for driving the motion of rolling slats door, main control unit with photoelectricity rotary encoder reaches the converter links to each other, is used for acquireing and comes from photoelectricity rotary encoder's counting information and export right the control signal of converter is with control rolling door motor's rotational speed. The utility model provides a high speed pulse count of quick rolling slats door wind drenches control system when adopting photoelectricity rotary encoder to realize rotating the spool of rolling slats door to main control unit is given in the timely feedback, with the control motor. This system makes wind leaching rooms's rolling slats door control rapider, can open rapidly and close, avoids more not air -purifying to get into in the wind leaching rooms.

Description

Quick rolling-door wind drenches control system

Technical field

This utility model relates to Airshower chamber and controls equipment technical field, particularly to a kind of quick rolling-door wind Drench control system.

Background technology

Airshower chamber (AIR SHOWER) is the Local Purification equipment that a kind of versatility is stronger, is installed on clean Between clean room and non-toilet.Pouring need to be blown through Airshower chamber, its blowout when people and goods clean area to be entered The removable people of pure air and dust entrained by goods, can be effectively blocked or reduce dirt source and enter clean Clean district.Before and after Airshower chamber, two sects are electronic interlocking, can play again the effect of air-lock, stop non-purified Air enter clean area.It is slower that existing roller shutter tradition of a family drenches response when control system uses, it is impossible to fast Control the open and close of rolling screen door fastly.

Utility model content

The purpose of this utility model is to provide a kind of quick rolling-door wind to drench control system, existing to solve Roller shutter tradition of a family drench control system and can not control the problem of open and close of rolling screen door rapidly.

For achieving the above object, this utility model provides a kind of quick rolling-door wind and drenches control system, wraps Including optical rotary encoder, converter and master controller, described optical rotary encoder is located at rolling screen door At spool, for the counting that the spool of rolling screen door is rotated, described converter and motor of rolling shutter door phase Even, described motor of rolling shutter door is for driving the motion of rolling screen door, and described master controller rotates with described photoelectricity Encoder and described converter are connected, for obtain from described optical rotary encoder count information and Export the control signal to described converter to control the rotating speed of described motor of rolling shutter door.

It is preferred that described optical rotary encoder is incremental-rotating coder.

It is preferred that also include limit switch, rolling screen door bottom is located at by described limit switch, at roller shutter When door is closed, output closed mode signal is to described master controller.

It is preferred that described master controller is connected with an intervalometer and interrupt control unit the most respectively, described timing Device opens after cutting out in rolling screen door after blowing pouring and carries out timing, and described interrupt control unit is at intervalometer The input control signal of master controller is interrupted during carrying out timing.

The quick rolling-door wind that this utility model provides drenches control system by using optical rotary encoder real High-speed pulse counting when now the spool to rolling screen door rotates, thus feed back to master controller in time, and lead Controller according to counting object information, correspondingly send control signal control the stopping of motor, startup, Accelerating and slow down, outside can be inputted the signal of master controller and change, to control motor by converter Unlatching whether.When this system is applied to Airshower chamber so that the rolling screen door of Airshower chamber controls rapider, can Open rapidly and close, it is to avoid more unpurified air enters in Airshower chamber, reducing wind and drench clean work Measure.

Accompanying drawing explanation

Fig. 1 drenches control system composition structure for the quick rolling-door wind that this utility model preferred embodiment provides Figure.

Detailed description of the invention

For this utility model is better described, hereby with a preferred embodiment, and coordinate accompanying drawing new to this practicality Type elaborates, specific as follows:

As it is shown in figure 1, the quick rolling-door wind that the present embodiment provides drenches control system 100, revolve including photoelectricity Turn encoder 110, converter 120, master controller 130 and limit switch 140, optical rotary encoder 110 are located at the spool of rolling screen door, for the counting rotating the spool of rolling screen door, converter 120 Being connected with motor of rolling shutter door 210, motor of rolling shutter door 210 is for driving the motion of rolling screen door, master controller 130 are connected with optical rotary encoder 110 and converter 120, for obtaining from optical rotary encoder The count information of 110 and output control signal the turning with control motor of rolling shutter door 210 to converter 120 Speed；Rolling screen door bottom is located at by limit switch 140, for exporting closed mode signal when rolling screen door is closed To described master controller.

Specifically, the master controller 130 in the present embodiment is PLC, and its model is Rhizoma Sparganii FX3U-48MR/ES, AC power supplies, DC are imported, relay output type PLC, have input at a high speed, Without speedy carding process.And optical rotary encoder is chosen as Omron E6B2-CWZ6C 1000P/R incremental Rotary encoder, the spool of the rolling screen door being connected with this optical rotary encoder often rotates a circle, encoder 1000 A phase pulses and 1000 B phase pulses can be produced, and input PLC, for PLC Controller carries out high speed two-phase double-counting.Additionally, the motor of rolling shutter door in the present embodiment uses band decelerator 0.4kW threephase asynchronous machine, therefore, converter uses the Rhizoma Sparganii that matches FR-E720S-0.75-CHT converter.

In a preferred embodiment, master controller also includes an intervalometer, data register and interrupts controlling Device is connected, and intervalometer opens after cutting out in rolling screen door after blowing pouring and carries out timing, and interrupt control unit is used for Interrupting the input control signal of master controller during intervalometer carries out timing, data register is used for storing Gated data from optical rotary encoder 110.Specifically, the intervalometer in the present embodiment is 100mS 16 bit timing devices, this intervalometer can meet PLC to wind drench control system blow the pouring time, Time delay etc. carry out timing.This intervalometer is connected with 16 power failure holding registers, during power failure, and meter Time data be still stored in this power failure holding register, the timing relevant parameter that system is arranged will not be lost.

It is as follows that the quick rolling-door wind of the present embodiment drenches control system work process:

When master controller is moved in driving rolling screen door by Frequency Converter Control motor of rolling shutter door, photoelectricity rotates Encoder carries out the counting of high-speed pulse, and door high-speed counting obtained to the rotation of the spool of rolling screen door Data, by the data register in High Speed Transfer instruction storage master controller, will be obtained by master controller Gated data compares with the gated data of setting, obtains the State-output of door, as obtain door opening degree, The position of door, and control the rotation of the motor of rolling screen door according to this, thus control the stopping of door, after reaching position Or close put in place after the action such as stopping.Wherein, master controller can be sentenced according to the count information of the rotation of spool The degree that is turned on and off of disconnected rolling screen door, thus whether automatic decision rolling screen door reaches position or pass and puts in place, with Adjust the rotary state of motor the most in time.And after rolling screen door is opened and put in place and close and put in place, intervalometer Timing data is available for master controller reference, the time opened with automatic decision door and close, in order to this system Carry out wind and drench control.Further, when rolling screen door carries out closing motion and triggering limit switch, then Closed mode signal is exported to master controller, in order to master controller controls rolling screen door electricity in time during limit switch Machine stops driving the rotation of spool, quickly stops the motion of rolling screen door, it is to avoid motor dallies, and extends system Life-span.

The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model Being not limited thereto, any those skilled in the art is in the technical scope that this utility model discloses, right Deformation that this utility model is done or replacement, all should contain within protection domain of the present utility model.Cause This, protection domain of the present utility model should be as the criterion with described scope of the claims.

Claims (4)

1. a quick rolling-door wind drenches control system, it is characterised in that include optical rotary encoder, frequency conversion Device and master controller, described optical rotary encoder is located at the spool of rolling screen door, for rolling screen door Spool carries out the counting rotated, and described converter is connected with motor of rolling shutter door, and described motor of rolling shutter door is used for Driving the motion of rolling screen door, described master controller is connected with described optical rotary encoder and described converter, For obtaining count information and the output from described optical rotary encoder, the control of described converter is believed Number with control described motor of rolling shutter door rotating speed.

Quick rolling-door wind the most according to claim 1 drenches control system, it is characterised in that described photoelectricity Rotary encoder is incremental-rotating coder.

Quick rolling-door wind the most according to claim 1 drenches control system, it is characterised in that also include limit Bit switch, rolling screen door bottom is located at by described limit switch, for exporting closed mode when rolling screen door is closed Signal is to described master controller.

Quick rolling-door wind the most according to claim 1 drenches control system, it is characterised in that described master control Device processed is connected with an intervalometer and interrupt control unit the most respectively, and described intervalometer is after cutting out in rolling screen door Unlatching carries out timing after blowing pouring, described interrupt control unit is for interrupting master control during intervalometer carries out timing The input control signal of device processed.