CN205450589U - Subway station table screen covers door control system based on PID - Google Patents

Subway station table screen covers door control system based on PID Download PDF

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Publication number
CN205450589U
CN205450589U CN201620203583.2U CN201620203583U CN205450589U CN 205450589 U CN205450589 U CN 205450589U CN 201620203583 U CN201620203583 U CN 201620203583U CN 205450589 U CN205450589 U CN 205450589U
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China
Prior art keywords
module
pid
shield door
control
digital signal
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Expired - Fee Related
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CN201620203583.2U
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Chinese (zh)
Inventor
郝裕
郭佳佳
王卯卯
胡申怡
裴舒珺
陆丽
路燈杰
刘桂英
李建国
卫若棋
蒙凌坤
贾继祥
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Shanghai Dianji University
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Shanghai Dianji University
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Priority to CN201620203583.2U priority Critical patent/CN205450589U/en
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Abstract

The utility model provides a subway station table screen covers door control system based on PID, including subway enter the station detection module, shield door state detection module, human infrared detection module, digital signal processing module, PID control module, warning module, the subway enter the station detection module, shield door state detection module and human infrared detection module direct with digital signal processing module links to each other, passes through the digital signal processor module with the signal data of accepting and handles, and when detect that a certain shield door is in that the non - is closed or during the jeopardy, the subway can't be opened, warning module sends out a police dispatch and shows information, treat the trouble solution after, the subway can normal operating. The utility model provides a control system, safe and reliable adopts the digital signal processor based on PID to realize control as main control chip to make controlled variable's effective value unanimous with the predetermined value of technological requirement. Adopt conception modulaire, the maintenance of being convenient for to reduce signal interference through buffer circuit.

Description

A kind of metro platform shield door control system based on PID
Technical field
This utility model relates to urban track traffic subway shield accelerator control system, and particularly to a kind of metro platform shield door control system based on PID.
Background technology
Along with city size constantly expands, population constantly concentration to large-scale hinge city flows into, and the safety factors of urban track traffic transport is increasing.But subway shield door is as the important component part of security system design, to its safety, punctual, quickly requirement is higher.At present, the detection of screen door barrier is that the corresponding relation existed by calculating the clamping force that produces in shield door door closing procedure and current of electric judges, but its to detect function more single and easily cause erroneous judgement.It addition, in reality is runed, owing to car door and shield door take coordinated signals, when cannot open when platform a certain fan shield door fault, unnecessary injury will certainly be caused.Showing with regard to traffic data, traditional shield door detecting system has been difficult to the track traffic pressure that accurate reply increases increasingly.
Utility model content
The utility model proposes a kind of metro platform shield door control system based on PID, safe and reliable, use digital signal processor based on PID to realize control as main control chip, so that the actual value of controlled variable is consistent with the predetermined value of technological requirement.Employing module designs, it is simple to maintenance, and reduces signal disturbing by isolation circuit.
In order to achieve the above object, the utility model proposes a kind of metro platform shield door control system based on PID, enter the station detection module, shield door state detection module, human body infrared detection module, digital signal processing module, pid control module including subway, alarm module;
Enter the station detection module, shield door state detection module of described subway is directly connected with described digital signal processing module with human body infrared detection module, the signal data received is processed by digital signal processor module, when detecting that a certain fan shield door is in non-closedown or precarious position, subway will be unable to open, alarm module sends information warning, after pending fault solves, subway can be properly functioning.
Further, described pid control module, after the pwm signal produced by described digital signal processing module optimizes, controls motor status, and it is the most properly functioning that the most described digital signal processing module monitors rail traffic control system in real time.
Further, the described subway detection module that enters the station is provided with pressure transducer below track, when subway enters platform, triggering signal is transferred to described digital signal processing module and processes.
Further, described shield door state detection module uses HM10 high accuracy piezoresistive pressure sensor, described shield door state detection module is directly connected with digital signal processing module, detect multiple shield door state simultaneously, when there being a wherein fan non-normal switching-off of shield door, start alarm module to report to the police, check fault to remind related personnel to note.
Further, described human body infrared detection module is directly connected with digital signal processing module, it is arranged on the position of close platform inside shield door, when there being people in 10cm, release infrared sensor sensing by heat and obtain signal, passing the signal along to digital signal processing module further be analyzed processing, system shows and reminding passengers is it is noted that oneself position and safety.
Further, described pid control module includes speed by PID controller, electric current PID controller and position sensor, described pid control module uses speed and current double closed loop to control, and wherein der Geschwindigkeitkreis uses fuzzy-adaptation PID control, when speed error is bigger, use fuzzy-adaptation PID control, when speed error is less, use traditional PID control, electric current loop uses Traditional PID regulation, controls motor by pwm signal.
Further, described alarm module includes display module, phonetic warning module and acousto-optic alarm module.
Further, described display module is LED display module, and it is arranged at the shield door port near driving cabin, is used for showing abort situation and which kind of fault occurring, shows each shield door state simultaneously.
Further, described phonetic warning module uses WT588D speech chip, when system detects that subway enters platform region, directly warning is reminded speech play, and prompt passengers is safety it is noted that individual rides.
Further, described sound and light alarm module uses the high temperature resistant buzzer of TMB12A05 to report to the police.
The utility model proposes a kind of metro platform shield door control system based on PID, described control system is mainly based upon the digital signal processor of PID as main control chip to realize control, PID controller is, according to PID control principle, whole control system is carried out bias adjustment, so that the actual value of controlled variable is consistent with the predetermined value of technological requirement.System module includes being made up of enter the station detection module, shield door state detection module, human body infrared detection module, digital signal processor module, pid control module, alarm module of subway.Connection line between each module arranges isolation circuit, uses module design, it is simple to maintenance, and reduces signal disturbing by isolation circuit.
Accompanying drawing explanation
Fig. 1 show the metro platform shield door Control system architecture schematic diagram based on PID of this utility model preferred embodiment.
Fig. 2 show the system control block figure of the metro platform shield door control system based on PID of this utility model preferred embodiment.
Fig. 3 show the pid control module block diagram of this utility model preferred embodiment.
Detailed description of the invention
Provide detailed description of the invention of the present utility model below in conjunction with accompanying drawing, but this utility model is not limited to following embodiment.According to following explanation and claims, advantage of the present utility model and feature will be apparent from.It should be noted that, accompanying drawing all uses the form simplified very much and all uses non-ratio accurately, is only used for conveniently, aids in illustrating lucidly the purpose of this utility model embodiment.
Refer to Fig. 1 and Fig. 2, Fig. 1 and show the metro platform shield door Control system architecture schematic diagram based on PID of this utility model preferred embodiment.Fig. 2 show the system control block figure of the metro platform shield door control system based on PID of this utility model preferred embodiment.
The utility model proposes a kind of metro platform shield door control system based on PID, enter the station detection module 1, shield door state detection module 2, human body infrared detection module 3, digital signal processing module 4, pid control module 5 including subway, alarm module 60;Enter the station detection module 1, shield door state detection module 2 of described subway is directly connected with described digital signal processing module 4 with human body infrared detection module 3, the signal data received is processed by digital signal processor module 4, when detecting that a certain fan shield door is in non-closedown or precarious position, subway will be unable to open, alarm module 60 sends information warning, after pending fault solves, subway can be properly functioning.
According to this utility model preferred embodiment, described pid control module 5 is after the pwm signal produced by described digital signal processing module 4 optimizes, controlling motor status, it is the most properly functioning that the most described digital signal processing module 4 monitors rail traffic control system in real time.Described digital signal processing module 4 uses TMS320LF2407 chip.
The described subway detection module 1 that enters the station is provided with pressure transducer below track, when subway enters platform, triggering signal is transferred to described digital signal processing module 4 and processes.The described subway detecting system 1 that enters the station uses YYJ/GY1-1201 sensor.
Further, described shield door state detection module 2 uses HM10 high accuracy piezoresistive pressure sensor, described shield door state detection module 2 is directly connected with digital signal processing module 4, detect multiple shield door state simultaneously, when there being a wherein fan non-normal switching-off of shield door, start alarm module 60 to report to the police, check fault to remind related personnel to note.
Described human body infrared detection module 3 is directly connected with digital signal processing module 4, it is arranged on the position of close platform inside shield door, when there being people in 10cm, release infrared sensor sensing by heat and obtain signal, passing the signal along to digital signal processing module further be analyzed processing, system shows and reminding passengers is it is noted that oneself position and safety.Described pyroelectric infrared sensor uses AM612 sensor.
Refer to Fig. 3, Fig. 3 and show the pid control module block diagram of this utility model preferred embodiment.Described pid control module 5 includes speed by PID controller, electric current PID controller and position sensor, described pid control module uses speed and current double closed loop to control, wherein der Geschwindigkeitkreis uses fuzzy-adaptation PID control, when speed error is bigger, uses fuzzy-adaptation PID control, when speed error is less, using traditional PID control, electric current loop uses Traditional PID regulation, controls motor by pwm signal.
Described alarm module 60 includes display module 7, phonetic warning module 8 and acousto-optic alarm module 6.Described display module 7 is LED display module, it is arranged at the shield door port near driving cabin, for showing abort situation and which kind of fault occurring, show each shield door state simultaneously, abort situation and which kind of fault occurs, to reach the quick positioning question source of failure, staff is facilitated to fix a breakdown in time, it is ensured that traffic normal transport.Described phonetic warning module 8 uses WT588D speech chip, when system detects that subway enters platform region, directly warning is reminded speech play, and prompt passengers is safety it is noted that individual rides.Described sound and light alarm module 6 uses the high temperature resistant buzzer of TMB12A05 to report to the police.System control unit power supply directly uses urban track traffic network supply.
In sum, the utility model proposes a kind of metro platform shield door control system based on PID, described control system is mainly based upon the digital signal processor of PID as main control chip to realize control, PID controller is, according to PID control principle, whole control system is carried out bias adjustment, so that the actual value of controlled variable is consistent with the predetermined value of technological requirement.System module includes being made up of enter the station detection module, shield door state detection module, human body infrared detection module, digital signal processor module, pid control module, alarm module of subway.Connection line between each module arranges isolation circuit, uses module design, it is simple to maintenance, and reduces signal disturbing by isolation circuit.
Although this utility model is disclosed above with preferred embodiment, so it is not limited to this utility model.This utility model art has usually intellectual, without departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations.Therefore, protection domain of the present utility model is when being as the criterion depending on those as defined in claim.

Claims (10)

1. a metro platform shield door control system based on PID, it is characterised in that include that subway enters the station detection module, shield door state detection module, human body infrared detection module, digital signal processing module, pid control module, alarm module;
Enter the station detection module, shield door state detection module of described subway is directly connected with described digital signal processing module with human body infrared detection module, the signal data received is processed by digital signal processor module, when detecting that a certain fan shield door is in non-closedown or precarious position, subway will be unable to open, alarm module sends information warning, after pending fault solves, subway can be properly functioning.
Metro platform shield door control system based on PID the most according to claim 1, it is characterized in that, described pid control module is after the pwm signal produced by described digital signal processing module optimizes, controlling motor status, it is the most properly functioning that the most described digital signal processing module monitors rail traffic control system in real time.
Metro platform shield door control system based on PID the most according to claim 1, it is characterized in that, the described subway detection module that enters the station is provided with pressure transducer below track, when subway enters platform, triggering signal is transferred to described digital signal processing module and processes.
Metro platform shield door control system based on PID the most according to claim 1, it is characterized in that, described shield door state detection module uses HM10 high accuracy piezoresistive pressure sensor, described shield door state detection module is directly connected with digital signal processing module, detect multiple shield door state simultaneously, when there being a wherein fan non-normal switching-off of shield door, start alarm module and report to the police, check fault to remind related personnel to note.
Metro platform shield door control system based on PID the most according to claim 1, it is characterized in that, described human body infrared detection module is directly connected with digital signal processing module, it is arranged on the position of close platform inside shield door, when there being people in 10cm, releasing infrared sensor sensing by heat and obtain signal, pass the signal along to digital signal processing module further and be analyzed processing, system shows and reminding passengers is it is noted that oneself position and safety.
Metro platform shield door control system based on PID the most according to claim 1, it is characterized in that, described pid control module includes speed by PID controller, electric current PID controller and position sensor, described pid control module uses speed and current double closed loop to control, wherein der Geschwindigkeitkreis uses fuzzy-adaptation PID control, when speed error is bigger, uses fuzzy-adaptation PID control, when speed error is less, using traditional PID control, electric current loop uses Traditional PID regulation, controls motor by pwm signal.
Metro platform shield door control system based on PID the most according to claim 1, it is characterised in that described alarm module includes display module, phonetic warning module and acousto-optic alarm module.
Metro platform shield door control system based on PID the most according to claim 7, it is characterized in that, described display module is LED display module, and it is arranged at the shield door port near driving cabin, for showing abort situation and which kind of fault occurring, show each shield door state simultaneously.
Metro platform shield door control system based on PID the most according to claim 7, it is characterized in that, described phonetic warning module uses WT588D speech chip, when system detects that subway enters platform region, directly warning being reminded speech play, prompt passengers is safety it is noted that individual rides.
Metro platform shield door control system based on PID the most according to claim 7, it is characterised in that described sound and light alarm module uses the high temperature resistant buzzer of TMB12A05 to report to the police.
CN201620203583.2U 2016-03-16 2016-03-16 Subway station table screen covers door control system based on PID Expired - Fee Related CN205450589U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401354A (en) * 2016-09-19 2017-02-15 苏州闪联高压电器有限公司 Automatic alarm protection subway platform screen door
CN108487828A (en) * 2018-01-23 2018-09-04 罗弟容 Multifunctional shield door
CN110130799A (en) * 2019-06-03 2019-08-16 郑州铁路职业技术学院 A kind of rail traffic protective door
CN110296850A (en) * 2019-07-18 2019-10-01 上海海事大学 The control method of car door opening position in car door durability test apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401354A (en) * 2016-09-19 2017-02-15 苏州闪联高压电器有限公司 Automatic alarm protection subway platform screen door
CN108487828A (en) * 2018-01-23 2018-09-04 罗弟容 Multifunctional shield door
CN110130799A (en) * 2019-06-03 2019-08-16 郑州铁路职业技术学院 A kind of rail traffic protective door
CN110296850A (en) * 2019-07-18 2019-10-01 上海海事大学 The control method of car door opening position in car door durability test apparatus

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Granted publication date: 20160810

Termination date: 20170316