CN114184943A - Auxiliary debugging device for electric control sliding plug door switch - Google Patents

Auxiliary debugging device for electric control sliding plug door switch Download PDF

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Publication number
CN114184943A
CN114184943A CN202111269985.4A CN202111269985A CN114184943A CN 114184943 A CN114184943 A CN 114184943A CN 202111269985 A CN202111269985 A CN 202111269985A CN 114184943 A CN114184943 A CN 114184943A
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position switch
door
unit
data processing
electric control
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CN114184943B (en
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陈俊
陈维忠
沈浩翔
杨涛
孟德成
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Nanjing Changya Track Traffic Technology Co ltd
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Nanjing Changya Track Traffic Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005Testing of electric installations on transport means
    • G01R31/008Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses an auxiliary debugging device for an electric control plug door switch, which comprises a data input unit, a signal detection unit, a data processing unit, a man-machine interaction display unit, a storage unit, an internal power supply and a power supply conversion unit, wherein the data input unit is used for a user to key in initial data; the signal detection unit is connected with the data processing unit, and by detecting a closing electromagnetic valve action signal, a 98% position switch action signal and a 100% position switch action signal, the data processing unit processes data and displays whether the 98% position switch installation position is correct and whether the sliding plug door closing time meets the requirements through the human-computer interaction display unit; the storage unit is used for storing the line number information of the device, so that debugging personnel can conveniently search wiring; the power supply conversion unit is used for converting the voltage of the internal power supply and then supplying power to the unit. The invention is convenient for debugging personnel to debug the 98 percent position switch, does not influence the normal operation of the door and improves the debugging efficiency.

Description

Auxiliary debugging device for electric control sliding plug door switch
Technical Field
The invention relates to an auxiliary debugging device for an electric control sliding plug door switch, and belongs to the field of sliding plug doors.
Background
With the development of rail transit in China, more and more cities enter a motor train or even a high-speed rail era, the running density of trains is gradually increased, the stop time is shortened, the running speed is accelerated, the number of passengers to be transported is greatly increased, and the reliability and the safety of vehicle doors become one of the problems which need to be paid attention to by people. At present, the electric control pneumatic mode and the electric control electric mode are mainly adopted for the sliding plug door in China, the sliding plug door controlled by the two modes has the anti-extrusion safety protection function, so that passengers are prevented from being extruded and damaged in the opening and closing process of the vehicle door, the anti-extrusion safety protection function of the vehicle door is effective for the setting of 98 percent of the switches before the vehicle door reaches the 98 percent of the stroke position, and the anti-extrusion safety protection function of the vehicle door is invalid after the vehicle door passes the 98 percent of the stroke position, and meanwhile, the normal closing of the vehicle door is ensured. At the present stage, 98% of switches are mainly divided into three types, namely, a rotating arm type switch, a micro switch, a magnetic induction switch and other structural types, the types are various, and the accurate 98% of positions are difficult to manually debug through the specific positions of the vehicle door.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the auxiliary debugging device for the electric control sliding plug door switch, which is convenient for debugging personnel to debug 98 percent of position switches, ensures that the normal operation of the door is not influenced, and improves the debugging efficiency.
The technical scheme adopted by the invention is as follows:
an auxiliary debugging device for an electric control sliding plug door switch comprises a data input unit, a signal detection unit, a data processing unit, a man-machine interaction display unit, a storage unit, an internal power supply and a power supply conversion unit, wherein,
the data input unit is used for a user to input door width data of the electric control sliding plug door, the distance between a 98% position switch and a 100% position switch on the electric control sliding plug door and the door closing time required by the electric control sliding plug door;
the signal detection unit is used for detecting a door closing electromagnetic valve action signal, a 98% position switch action signal and a 100% position switch action signal, converting the action signals into digital switching values and sending the digital switching values to the data processing unit;
the data processing unit is connected with the data input unit and the signal detection unit and used for reading the door width data of the electric control sliding plug door and the digital switching value converted from the door closing electromagnetic valve action signal, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit, recording the door closing electromagnetic valve, the 98% position switch and the 100% position switch action time, and then carrying out data processing according to the door width data of the electric control sliding plug door and the action time data of the door closing electromagnetic valve, the 98% position switch and the 100% position switch to feed back whether the installation position of the 98% position switch on the electric control sliding plug door is correct or not and whether the door closing time of the electric control sliding plug door meets the requirement or not;
the human-computer interaction display unit is bidirectionally interconnected with the data processing unit and is used for displaying whether the mounting positions of 98 percent of position switches on the electric control sliding plug door fed back by the data processing unit are correct or not and whether the door closing time of the electric control sliding plug door meets the requirements or not;
the storage unit is bidirectionally interconnected with the data processing unit, is used for storing the line number information of the closing electromagnetic valve, the 98 percent position switch, the 100 percent position switch and the external power supply on the electric control sliding plug door, can be read by the data processing unit and can be displayed after being called by a user through the man-machine interaction display unit;
and the power supply conversion unit is used for converting the voltage of the internal power supply to supply power to the data input unit, the signal detection unit, the data processing unit, the human-computer interaction display unit and the storage unit.
Preferably, the signal detection unit includes a 98% switching signal detection unit, a 100% switching signal detection unit and a door closing solenoid valve signal detection unit, the 98% switching signal detection unit is configured to monitor a 98% position switch action signal and convert the action signal into a digital switching value to be sent to the data processing unit, the 100% switching signal detection unit is configured to monitor a 100% position switch action signal and convert the action signal into a digital switching value to be sent to the data processing unit, and the door closing solenoid valve signal detection unit is configured to monitor a door closing solenoid valve action signal and convert the action signal into a digital switching value to be sent to the data processing unit.
Further preferably, the data processing process of the data processing unit is as follows:
the data processing unit records the digital switching values converted by the closing electromagnetic valve action signal, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action are respectively t0, t1 and t2, and then the data processing unit records the digital switching values according to the digital switching values and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action signal sent by the signal detection unit and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action signal and the time of the closing electromagnetic valve, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit and records the digital switching values of the closing electromagnetic valve, the 98% position switch action signal and the 100% position switch action signal respectively
△S=(s/(t2-t0))*(t2-t1)
And performing data processing, wherein S represents the width of the electrically-controlled sliding plug door, t2-t0 represents the closing time, S/(t2-t0) represents the closing speed, t2-t1 represents the time from the action of the 98% position switch to the action interval of the 100% position switch, and Delta S represents the distance between the calculated 98% position switch and the 100% position switch of the doorframe.
The invention has the beneficial effects that:
the position of the 98% position switch can be measured and calculated in an auxiliary mode through the debugging device, the manual calculation process is omitted, normal closing of the car door can be guaranteed, and debugging efficiency is improved remarkably; the line number information of the electromagnetic valve for closing the door, the 98% position switch, the 100% position switch and the external power supply on the electric control sliding plug door stored in the storage unit is called and displayed through the man-machine interaction display unit, and the problem that debugging personnel make mistakes in wiring due to different types of the electric control sliding plug door during debugging can be effectively solved.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1: the embodiment is an auxiliary debugging device for an electric control plug door switch, which comprises a data input unit, a signal detection unit, a data processing unit, a man-machine interaction display unit, a storage unit, an internal power supply and a power supply conversion unit, wherein,
the data input unit is used for a user to input door width data of the electric control sliding plug door, the distance between a 98% position switch and a 100% position switch on the electric control sliding plug door and the door closing time required by the electric control sliding plug door;
the signal detection unit is used for detecting a door closing electromagnetic valve action signal, a 98% position switch action signal and a 100% position switch action signal, converting the action signals into digital switching values and sending the digital switching values to the data processing unit;
the data processing unit is connected with the data input unit and the signal detection unit and used for reading the door width data of the electric control sliding plug door and the digital switching value converted from the door closing electromagnetic valve action signal, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit, recording the door closing electromagnetic valve, the 98% position switch and the 100% position switch action time, and then carrying out data processing according to the door width data of the electric control sliding plug door and the action time data of the door closing electromagnetic valve, the 98% position switch and the 100% position switch to feed back whether the installation position of the 98% position switch on the electric control sliding plug door is correct or not and whether the door closing time of the electric control sliding plug door meets the requirement or not;
the human-computer interaction display unit is bidirectionally interconnected with the data processing unit and is used for displaying whether the mounting positions of 98 percent of position switches on the electric control sliding plug door fed back by the data processing unit are correct or not and whether the door closing time of the electric control sliding plug door meets the requirements or not;
the storage unit is bidirectionally interconnected with the data processing unit, is used for storing the line number information of the closing electromagnetic valve, the 98 percent position switch, the 100 percent position switch and the external power supply on the electric control sliding plug door, can be read by the data processing unit and can be displayed after being called by a user through the man-machine interaction display unit;
and the power supply conversion unit is used for converting the voltage of the internal power supply to supply power to the data input unit, the signal detection unit, the data processing unit, the human-computer interaction display unit and the storage unit.
The signal detection unit comprises a 98% switch signal detection unit, a 100% switch signal detection unit and a door-closing electromagnetic valve signal detection unit, the 98% switch signal detection unit is used for monitoring a 98% position switch action signal and converting the action signal into digital switching value to be sent to the data processing unit, the 100% switch signal detection unit is used for monitoring a 100% position switch action signal and converting the action signal into digital switching value to be sent to the data processing unit, and the door-closing electromagnetic valve signal detection unit is used for monitoring a door-closing electromagnetic valve action signal and converting the action signal into digital switching value to be sent to the data processing unit.
The data processing process of the data processing unit comprises the following steps:
the data processing unit records the digital switching values converted by the closing electromagnetic valve action signal, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action are respectively t0, t1 and t2, and then the data processing unit records the digital switching values according to the digital switching values and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action signal sent by the signal detection unit and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action signal and the time of the closing electromagnetic valve, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit and records the digital switching values of the closing electromagnetic valve, the 98% position switch action signal and the 100% position switch action signal respectively
△S=(s/(t2-t0))*(t2-t1)
And performing data processing, wherein S represents the width of the electrically-controlled sliding plug door, t2-t0 represents the closing time, S/(t2-t0) represents the closing speed, t2-t1 represents the time from the action of the 98% position switch to the action interval of the 100% position switch, and Delta S represents the distance between the calculated 98% position switch and the 100% position switch of the doorframe.
In practical application, an internal power supply of the auxiliary debugging device for the electric control sliding plug door switch adopts a lithium battery, the internal power supply is converted into 5V and 3.3V through the power supply conversion unit, then power is respectively supplied to each unit according to the voltage requirement of each unit, the battery can be charged only through a USB interface when needing to be charged, an on-site external power supply is not needed during debugging, and the operation is convenient; the storage unit adopts a main chip with the model of W25Q32JVSSIQ, the storage capacity is large, and data cannot be lost after power failure; the signal detection unit adopts a constant current driving mode for detection, the detection range of external hard wire signal voltage is wide, and the phenomenon of misoperation caused by insufficient driving capability can be avoided.
In conclusion, the auxiliary debugging device for the electric control sliding plug door switch provided by the invention can perform auxiliary measurement calculation on the positions of 98% position switches through the debugging device, so that the process of manual calculation is omitted, the normal closing of a vehicle door can be ensured, and the debugging efficiency is obviously improved; the line number information of the electromagnetic valve for closing the door, the 98% position switch, the 100% position switch and the external power supply on the electric control sliding plug door stored in the storage unit is called and displayed through the man-machine interaction display unit, so that the problem of wiring errors caused by different types of the electric control sliding plug door when debugging personnel debug the electric control sliding plug door can be effectively solved
The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.

Claims (3)

1. The utility model provides an automatically controlled cock sliding door switch assists debugging device, includes data input unit, signal detection unit, data processing unit, human-computer interaction display element, memory cell, internal power supply and power switching unit, its characterized in that:
the data input unit is used for a user to input door width data of the electric control sliding plug door, the distance between a 98% position switch and a 100% position switch on the electric control sliding plug door and the door closing time required by the electric control sliding plug door;
the signal detection unit is used for detecting a door closing electromagnetic valve action signal, a 98% position switch action signal and a 100% position switch action signal, converting the action signals into digital switching values and sending the digital switching values to the data processing unit;
the data processing unit is connected with the data input unit and the signal detection unit and is used for reading the door width data of the electric control sliding plug door and the digital switching value converted from the door closing electromagnetic valve action signal, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit, recording the action time of the door closing electromagnetic valve, the 98% position switch and the 100% position switch, and then carrying out data processing according to the door width data of the electric control sliding plug door and the action time data of the door closing electromagnetic valve, the 98% position switch and the 100% position switch to feed back whether the installation position of the 98% position switch on the electric control sliding plug door is correct or not and whether the door closing time of the electric control sliding plug door meets the requirement or not;
the human-computer interaction display unit is bidirectionally interconnected with the data processing unit and is used for displaying whether the mounting positions of 98 percent of position switches on the electric control sliding plug door fed back by the data processing unit are correct and whether the door closing time of the electric control sliding plug door meets the requirements;
the storage unit is bidirectionally interconnected with the data processing unit, is used for storing the line number information of the closing electromagnetic valve, the 98 percent position switch, the 100 percent position switch and the external power supply on the electric control sliding plug door, can be read by the data processing unit and can be displayed after being taken by a user through the man-machine interaction display unit;
and the power supply conversion unit is used for converting the voltage of the internal power supply to supply power to the data input unit, the signal detection unit, the data processing unit, the human-computer interaction display unit and the storage unit.
2. The auxiliary debugging device for the electric control plug pull door switch according to claim 1, wherein the signal detection unit comprises a 98% switch signal detection unit, a 100% switch signal detection unit and a door closing solenoid valve signal detection unit, the 98% switch signal detection unit is used for monitoring a 98% position switch action signal and converting the action signal into a digital switching value to be sent to the data processing unit, the 100% switch signal detection unit is used for monitoring a 100% position switch action signal and converting the action signal into a digital switching value to be sent to the data processing unit, and the door closing solenoid valve signal detection unit is used for monitoring a door closing solenoid valve action signal and converting the action signal into a digital switching value to be sent to the data processing unit.
3. The auxiliary debugging device for the electric control plug door switch according to claim 1 or 2, wherein the data processing procedure of the data processing unit is as follows:
the data processing unit records the digital switching values converted by the closing electromagnetic valve action signal, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action are respectively t0, t1 and t2, and then the data processing unit records the digital switching values according to the digital switching values and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action signal sent by the signal detection unit and the time of the closing electromagnetic valve, the 98% position switch and the 100% position switch action signal and the time of the closing electromagnetic valve, the 98% position switch action signal and the 100% position switch action signal sent by the signal detection unit and records the digital switching values of the closing electromagnetic valve, the 98% position switch action signal and the 100% position switch action signal respectively
△S=(s/(t2-t0))*(t2-t1)
And performing data processing, wherein S represents the width of the electrically-controlled sliding plug door, t2-t0 represents the closing time, S/(t2-t0) represents the closing speed, t2-t1 represents the time from the action of the 98% position switch to the action interval of the 100% position switch, and Delta S represents the distance between the calculated 98% position switch and the 100% position switch of the doorframe.
CN202111269985.4A 2021-10-29 2021-10-29 Auxiliary debugging device for electric control sliding plug door switch Active CN114184943B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114778883A (en) * 2022-03-28 2022-07-22 上海电气集团股份有限公司 Detection method, system, equipment and medium for train door limit switch
CN116124482A (en) * 2023-04-17 2023-05-16 北京赛德车门制造有限公司 Sliding plug door switch and auxiliary debugging system and method

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02204589A (en) * 1989-02-01 1990-08-14 Hokuyo Automatic Co Device for controlling automatic door
JPH10114485A (en) * 1996-10-11 1998-05-06 Mitsubishi Denki Bill Techno Service Kk Elevator door system
JP2000002046A (en) * 1998-06-17 2000-01-07 Mitsui Mining & Smelting Co Ltd Power slide equipment for vehicle slide door
CN103485646A (en) * 2013-10-07 2014-01-01 米振宇 Automatic door control system
JP2014076777A (en) * 2012-10-12 2014-05-01 Daihatsu Motor Co Ltd Vehicular door control unit
CN203594308U (en) * 2013-10-25 2014-05-14 云南电网公司普洱供电局 Transformer substation routing inspection robot automatic door control system based on door contact
CN203655119U (en) * 2013-10-25 2014-06-18 国家电网公司 Transformer station inspection robot automatic door control system based on mechanical travel switch
CN106123759A (en) * 2016-08-29 2016-11-16 郑州春泉节能股份有限公司 Electrically operated valve stroke detection system and stroke detection implementation method thereof
CN108086858A (en) * 2016-11-21 2018-05-29 赵江涛 A kind of new sliding plug door of motor train unit electric control system
CN209623616U (en) * 2019-03-26 2019-11-12 中国铁路上海局集团有限公司上海动车段 A kind of 98% limit-switch positions infrared measuring device of EMU car door based on digital display rule
CN210027407U (en) * 2019-05-20 2020-02-07 北京锦鸿希电信息技术股份有限公司 Vehicle door state monitoring system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02204589A (en) * 1989-02-01 1990-08-14 Hokuyo Automatic Co Device for controlling automatic door
JPH10114485A (en) * 1996-10-11 1998-05-06 Mitsubishi Denki Bill Techno Service Kk Elevator door system
JP2000002046A (en) * 1998-06-17 2000-01-07 Mitsui Mining & Smelting Co Ltd Power slide equipment for vehicle slide door
JP2014076777A (en) * 2012-10-12 2014-05-01 Daihatsu Motor Co Ltd Vehicular door control unit
CN103485646A (en) * 2013-10-07 2014-01-01 米振宇 Automatic door control system
CN203594308U (en) * 2013-10-25 2014-05-14 云南电网公司普洱供电局 Transformer substation routing inspection robot automatic door control system based on door contact
CN203655119U (en) * 2013-10-25 2014-06-18 国家电网公司 Transformer station inspection robot automatic door control system based on mechanical travel switch
CN106123759A (en) * 2016-08-29 2016-11-16 郑州春泉节能股份有限公司 Electrically operated valve stroke detection system and stroke detection implementation method thereof
CN108086858A (en) * 2016-11-21 2018-05-29 赵江涛 A kind of new sliding plug door of motor train unit electric control system
CN209623616U (en) * 2019-03-26 2019-11-12 中国铁路上海局集团有限公司上海动车段 A kind of 98% limit-switch positions infrared measuring device of EMU car door based on digital display rule
CN210027407U (en) * 2019-05-20 2020-02-07 北京锦鸿希电信息技术股份有限公司 Vehicle door state monitoring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨涛等: "上海地铁AC03型电动列车客室车门故障分析及解决措施", 城市轨道交通研究, no. 5, pages 33 - 35 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114778883A (en) * 2022-03-28 2022-07-22 上海电气集团股份有限公司 Detection method, system, equipment and medium for train door limit switch
CN114778883B (en) * 2022-03-28 2024-04-12 上海电气集团股份有限公司 Detection method, system, equipment and medium for train door limit switch
CN116124482A (en) * 2023-04-17 2023-05-16 北京赛德车门制造有限公司 Sliding plug door switch and auxiliary debugging system and method

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