CN103485646A - Automatic door control system - Google Patents
Automatic door control system Download PDFInfo
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- CN103485646A CN103485646A CN201310459028.7A CN201310459028A CN103485646A CN 103485646 A CN103485646 A CN 103485646A CN 201310459028 A CN201310459028 A CN 201310459028A CN 103485646 A CN103485646 A CN 103485646A
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Abstract
The invention discloses an automatic door control system which comprises a PLC main controller, a periphery circuit, an infrared detector, a door operation position detection and alarm circuit, a stepping motor controller, a control mode switching circuit and an automatic door protection circuit, wherein the periphery circuit, the infrared detector, the door operation position detection and alarm circuit, the stepping motor controller, the control mode switching circuit and the automatic door protection circuit are arranged on the PLC main controller. According to the automatic door control system, a programmable logic controller (PLC) is adopted as the automatic door main controller, and therefore the advantages of high reliability and anti-interference are brought into full play. An MC33033 special control chip is used for controlling a brushless direct current motor, and therefore the safety and the reliability of the automatic door control system are greatly improved. As a pyroelectric infrared sensor is used for detecting whether someone is close to an automatic door, the automatic door control system is high in sensitivity, free of influence of the outside, and convenient to install and maintain.
Description
Technical field
The present invention relates to a kind of base automatic door unit, be specifically related to the level and smooth automatic door control system of a kind of PLC of employing as the master controller of automatic door.
Background technology
Automatic door starts to use on building, is at twentieth century after year.The '20s later stage, the opening in the supermarket of the U.S., automatic door starts to be used.Nineteen thirty, the red interest rate of History of United States of America is first released the first door frame automatic door (this Historical Data Data About is in the New York Times) in the world.Thereafter, the many agates of the first in the world automatic door brand were extensively introduced oil hydraulic type, air type automatic door to the market in 1945, and the main entrance in newly-built building has also been brought into use.
1962, electric started to occur, is accompanied by afterwards the construction in city, and the field of automatic door technology is all increasing every year.Originally, the speed of with the supply building, with power supply, carrying out motor is controlled very difficult, have to carry out the speed of oil pressure, pneumatics controls, but the conversion efficiency of energy utilization is very low, yet be accompanied by the technical development of electrical control, Electrical Control Technology is ripe now, and the electric automatic door of directly controlling motor becomes main flow gradually.The various automatic door intelligence control systems based on single-chip microcomputer and programmable logic controller (PLC) control have obtained deep development.
The core of automatic door unit is controller, and this part is most important to the operation of system, yet the research that the kind of automatic door controller is single and relevant in the market is also less.
Summary of the invention
The objective of the invention is to propose a kind of automatic door unit, adopt high performance automatic door master controller, the high efficiency direct current generator, noiselessness does not generate heat.Detectable sensor has been surveyed unmanned near automatic door, necessary position sensor and has been carried out the run location of perception automatic door, thereby realizes the opening and closing of the rotating control automatic door of motor by necessary motor-drive circuit.In the door running, the automatic door interruption of service of essential sensor when running into obstruction is detected and is reported to the police, and plays circuit protection function.
The present invention, for achieving the above object, adopts following technical scheme:
A kind of automatic door unit, comprise PLC master controller, drive motors and control circuit thereof, detection sensor circuit, door location sensitive circuit, door detection alarm circuit, automatic door holding circuit and system bus.Described motor is connected with door, and motor is connected and is connected with the PLC master controller afterwards with electric machine controller, and detection sensor device, door location sensitive circuit, automatic door protective device are connected with master controller by system bus;
Wherein said detection sensor device, when people or object proximity are arranged, detects the infrared rays of human body radiation with the noncontact form, and changes it into signal of telecommunication, after amplifying processing, switching signal is passed to PLC;
Automatic door unit initializes, comprise that the initialization, the terminal that mean each stage variable of switch gate process arrange etc., PLC carries out different processing according to input signal, PLC by reception stop, manually door close button signal, the button signal that opens Door by Hand, human-induced signal call corresponding subprogram, and then control the rotating of motor, reach the function of switch gate; If the discovery operation exception, enter exception handles, output alarm information;
DC brushless motor, the characteristics such as simple in structure, reliable, easy to maintenance that ac motor is arranged, the characteristics such as the direct current generator operational efficiency is high, the adjustment performance is good are arranged again, and due to the restriction that is not subject to mechanical commutation, be easy to accomplish large capacity, high rotating speed, due to the advantage such as simple in structure, reliable of brshless DC motor, the drive motors of this programme adopts DC brushless motor.
Pyroelectric infrared detector is a kind of novel thermal detector, and it is the device that utilizes the pyroelectric effect probe radiation energy of some material.Because the pyroelectricity signal is proportional to device temperature rise rate over time, and unlike common thermal detector, individual heat balance process need to be arranged, therefore, the response speed of pyroelectric detector is more faster than other thermal detectors.It not only can work in low frequency, and can work in high frequency, at present the detectivity of best pyroelectric detector can up to
cmHz W-1, surpassed all room temperature thermal detectors.Thereby pyroelectric detector not only has the common advantage of the thermal detectors such as working and room temperature, spectral response be wide, and it is the thermal detector that detectivity is the highest, frequency response is the widest.Simultaneously, it can also identify the biology of motion and other are abiotic, does not need with emission sources such as infrared rays or electromagnetic waves, has highly sensitive, the characteristics such as control range large, good concealment, the installation of can flowing.
Door location sensitive circuit is to select two travel switches, and a position while opening fully for detection of door, call off the door limit switch, and a position while closing fully for detection of door, be the limit switch of closing the door.
In the door running, run into sometimes the operation that obstruction stops it.Below concrete analysis, if this situation occurs in the process of opening the door, be likely to run into obstacle in way, or the door open limit switch break, out of service and warning; This situation occurs at closing time in this way, likely be extruded into people or thing, should move round about, provide alarm signal.Therefore a sensor must be set to be detected the unmanned or object centre at door is arranged in the process of closing the door.
Active infrared anti-pinch inductor, its RF transmitter and receiver by the emission CF forms, and its infrared frequency is different from the infrared rays of nature and human body.In the process of closing the door, when people or thing stop, receiver can not receive negative pulse of light signal generating, and this pulse is as the interrupt signal of PLC, and PLC control gate body moves round about.When preventing touching people or thing, the protection automatic door motor can not burn out because of overload.
Without filler enclosed tubular cut-out RM10 series, fusion tube adopts fibre object to make, and melt adopts the kirsite sheet of variable cross-section to make.When being short-circuited fault, melt is the most carefully being located fusing, and many places fuse simultaneously, contribute to improve breaking capacity.During melt fusing, electric arc is limited in sealed tube, can outwards not spray, therefore use safer.In fusing process, the part fibre object of fiber fusion tube is decomposed because being heated in addition, produces gases at high pressure, electric arc is extinguished very soon, thereby improved the breaking capacity of fuse.
So form the switch with fuse use with this without filler enclosed tubular cut-out and knife switch, for the PLC control circuit, play continuous over loading and short-circuit protection effect.
The accompanying drawing explanation
Fig. 1 is automatic door unit schematic diagram of the present invention.
Fig. 2 PLC control principle block diagram.
Fig. 3 main program flow chart.
Fig. 4 subroutine flow chart that opens the door.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail and describes.
The scanning work mode of PLC is obviously different from the operating principle of electrical equipment control.Electric apparatus control apparatus adopts the concurrent working mode of hard logic, if the coil electricity of certain relay or outage, no matter all often opening with constant close contact of this relay is on which position of control circuit so, all can be moved immediately simultaneously; And PLC adopts scanning work mode (work in series mode), if the coil of certain soft relay is switched on or disconnects, can not move immediately its all contact, must wait while scanning this and just can move.But, because the sweep speed of PLC is fast, PLC and electric apparatus control apparatus do not have any difference on the result of I/O usually.
When PLC moves, be to reflect that by execution controlling the user program required completes control task, needs to carry out numerous operations, but CPU can not go to carry out a plurality of operations simultaneously, it can only carry out an operation each time by time-sharing operation (work in series) mode, carries out one by one in order.Because the calculation process speed of CPU is very fast, thus macroscopic view, the PLC outside result occurred seemingly simultaneously (walking abreast) complete.This work in series process is called the scanning work mode of PLC.
While by the scanning work mode, carrying out user program, scanning is from article one program, in the situation that, without interrupting or redirect control, the priority of follow procedure storage order, carry out user program one by one, until EP (end of program).And then the scanning execution that starts anew, go round and begin again and rerun.
System initialization comprises that the initialization, the terminal that mean each stage variable of switch gate process arrange etc., and PLC carries out different processing according to input signal.PLC by reception stop, manually door close button signal, the button signal that opens Door by Hand, human-induced signal call corresponding subprogram, and then control the rotating of motor, reach the function of switch gate.
System initialization comprises that the initialization, the terminal that mean each stage variable of switch gate process arrange etc., and PLC carries out different processing according to input signal.While opening the door, at first whether effectively detect the limit signal of closing the door, if effectively, illustrate and close fully, to stroke variable clear 0, otherwise PLC high-speed pulse output parameter is set, and detects the motor operation, the motor stroke variable that often turns around adds one, finally detect the limit of opening the door, if effectively,, motor stops, as shown in Figure 3.
At closing time, at first detect and manually close the door or whether the human-induced signal calls the subprogram of closing the door at this after effectively for the first time, as shown in Figure 4, if PLC high-speed pulse output parameter is set, output motor drives signal, the drive motors reversion.Then detect motor operation, the motor stroke variable that often turns around subtracts one, whether effectively finally detects the limit of opening the door, if effectively door is closed fully, motor stops.
The I/O allocation table of PLC as shown in the following chart.
Utilize the program of ladder diagram establishment as follows:
(1) main program (automatic door switch).Power-up initializing, all reset auxiliary reclay.SM0.1: power-up initializing variable, Exactly-once.
(2) open Door by Hand.In the situation that opens Door by Hand, when the spacing I0.4 that puts in place when opening the door is closed, motor stops (auxiliary reclay M0.0).
(3) manually close the door.In the situation of manually closing the door, when the spacing I0.5 of door-closing in-place is closed, motor stops (auxiliary reclay M0.1).
(4) automatic door opening.Enter auto state (M0.2) as Men Nei with when the thermal detector switch has detected the people outdoors.
(5) automatic condition downward swing door action.When opening the door, put in place spacing when not closed, the action of being opened the door (relay M0.3).
(6) close the door the stand-by period.When Men Nei not detected or outdoors the people being arranged, enter the stand-by period (can be arranged according to actual conditions, be 8s) herein.
On-delay timer (TON) instruction is being enabled while being input as " opening ", starts timing.When currency T101 is more than or equal to Preset Time (PT), the timer position is " opening ".Enable while being input as " closing ", on-delay timer currency is eliminated.
(7) normally close the door.When Men Nei not detected or outdoors the people being arranged, in the laggard action (M0.5) that enters to close the door of stand-by period, when the spacing closure of door-closing in-place, all auxiliary reclays (M0.2 ~ M0.4) under the automatic condition that resets.
(8) messenger again at closing time.In the process of closing the door, detect and while having the people to come, still enter and open the door, the action of waiting for and close the door.
(9) export the action of opening the door.Under manual case open the door and automatic condition under open the door.
(10) export the action of closing the door.Under manual case close the door and automatic condition under close the door.
(11) automatic door detection alarm.Run into obstacle in the process of opening the door, motor stops; Run into obstacle in the process of closing the door, automatic door is exported the action of opening the door, and motion round about, play defencive function.
Claims (5)
1. an automatic door unit, comprise PLC master controller, drive motors and control circuit thereof, detection sensor circuit, door location sensitive circuit, door detection alarm circuit, automatic door holding circuit and system bus;
Described motor is connected with door, and motor is connected and is connected with the PLC master controller afterwards with electric machine controller, and detection sensor device, door location sensitive circuit, automatic door protective device are connected with master controller by system bus;
Wherein said detection sensor device, when people or object proximity are arranged, detects the infrared rays of human body radiation with the noncontact form, and changes it into signal of telecommunication, after amplifying processing, switching signal is passed to PLC;
Automatic door unit initializes, comprise that the initialization, the terminal that mean each stage variable of switch gate process arrange etc., PLC carries out different processing according to input signal, PLC by reception stop, manually door close button signal, the button signal that opens Door by Hand, human-induced signal call corresponding subprogram, and then control the rotating of motor, reach the function of switch gate; If the discovery operation exception, enter exception handles, output alarm information.
2. automatic door unit according to claim 1, is characterized in that, described motor is DC brushless motor.
3. automatic door unit according to claim 1, is characterized in that, described detection sensor device is to adopt pyroelectric infrared detector.
4. automatic door unit according to claim 1, is characterized in that, described door location sensitive circuit is to select two travel switches, a position while opening fully for detection of door, call off the door limit switch, a position while closing fully for detection of door, be the limit switch of closing the door.
5. automatic door unit according to claim 1, is characterized in that, described holding circuit is to connect one without the filler enclosed tubular cut-out, automatic cut-off power when being short-circuited and transship.
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| CN201310459028.7A CN103485646A (en) | 2013-10-07 | 2013-10-07 | Automatic door control system |
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| CN201310459028.7A CN103485646A (en) | 2013-10-07 | 2013-10-07 | Automatic door control system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986081A (en) * | 2014-05-30 | 2014-08-13 | 江苏容天机电科技有限公司 | Box-type transformer acousto-optic safety prompting and high-voltage electric safety door control device |
| CN104142638A (en) * | 2014-08-11 | 2014-11-12 | 亚萨合莱自动门***（苏州）有限公司 | Multiprocessor-based building entrance control system and method |
| CN104213812A (en) * | 2014-08-30 | 2014-12-17 | 常州市海盈五金科技有限公司 | Control system for rotating door |
| CN104389474A (en) * | 2014-09-28 | 2015-03-04 | 苏州市职业大学 | Automatic plate-turning door synchronously controlled by double direct current brushless motors |
| CN105093334A (en) * | 2015-04-30 | 2015-11-25 | 广东双虹新材料科技有限公司 | Approaching and touch sensor for safety protection of automatic door |
| CN105484605A (en) * | 2015-11-30 | 2016-04-13 | 公安部四川消防研究所 | Control system and method for fire lobby |
| CN105781319A (en) * | 2016-04-27 | 2016-07-20 | 苏州工业职业技术学院 | Roller shutter door opening control system for air shower |
| CN106014065A (en) * | 2016-05-18 | 2016-10-12 | 吴自达 | Control method for electric intelligent-control sliding door |
| CN106948709A (en) * | 2017-03-04 | 2017-07-14 | 长沙开雅电子科技有限公司 | A kind of automatically-controlled door design |
| CN110928163A (en) * | 2019-12-23 | 2020-03-27 | 安徽卓锐三维科技有限公司 | Automatic closing structure of bin gate for laser printer |
| CN112049541A (en) * | 2020-08-19 | 2020-12-08 | 浙江工业大学 | Infrared radiation automatic door induction system |
| CN114184943A (en) * | 2021-10-29 | 2022-03-15 | 南京长亚轨道交通科技有限公司 | Auxiliary debugging device for electric control sliding plug door switch |
| CN115012759A (en) * | 2022-06-15 | 2022-09-06 | 重庆文理学院 | Automatic door control method, automatic door system and readable storage medium |
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| CN1906373A (en) * | 2004-02-06 | 2007-01-31 | 韦恩达尔顿公司 | Operating system utilizing a selectively concealed multi-function wall station transmitter with an auto-close function for a motorized barrier operator |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986081A (en) * | 2014-05-30 | 2014-08-13 | 江苏容天机电科技有限公司 | Box-type transformer acousto-optic safety prompting and high-voltage electric safety door control device |
| CN104142638A (en) * | 2014-08-11 | 2014-11-12 | 亚萨合莱自动门***（苏州）有限公司 | Multiprocessor-based building entrance control system and method |
| CN104213812A (en) * | 2014-08-30 | 2014-12-17 | 常州市海盈五金科技有限公司 | Control system for rotating door |
| CN104389474A (en) * | 2014-09-28 | 2015-03-04 | 苏州市职业大学 | Automatic plate-turning door synchronously controlled by double direct current brushless motors |
| CN105093334A (en) * | 2015-04-30 | 2015-11-25 | 广东双虹新材料科技有限公司 | Approaching and touch sensor for safety protection of automatic door |
| CN105484605A (en) * | 2015-11-30 | 2016-04-13 | 公安部四川消防研究所 | Control system and method for fire lobby |
| CN105781319A (en) * | 2016-04-27 | 2016-07-20 | 苏州工业职业技术学院 | Roller shutter door opening control system for air shower |
| CN106014065A (en) * | 2016-05-18 | 2016-10-12 | 吴自达 | Control method for electric intelligent-control sliding door |
| CN106948709A (en) * | 2017-03-04 | 2017-07-14 | 长沙开雅电子科技有限公司 | A kind of automatically-controlled door design |
| CN110928163A (en) * | 2019-12-23 | 2020-03-27 | 安徽卓锐三维科技有限公司 | Automatic closing structure of bin gate for laser printer |
| CN112049541A (en) * | 2020-08-19 | 2020-12-08 | 浙江工业大学 | Infrared radiation automatic door induction system |
| CN114184943A (en) * | 2021-10-29 | 2022-03-15 | 南京长亚轨道交通科技有限公司 | Auxiliary debugging device for electric control sliding plug door switch |
| CN114184943B (en) * | 2021-10-29 | 2023-07-18 | 南京长亚轨道交通科技有限公司 | Auxiliary debugging device for electric control sliding plug door switch |
| CN115012759A (en) * | 2022-06-15 | 2022-09-06 | 重庆文理学院 | Automatic door control method, automatic door system and readable storage medium |
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Application publication date: 20140101 |