CN103743990A - Method for detecting fault of anti-surge device in train automatic control system - Google Patents

Method for detecting fault of anti-surge device in train automatic control system Download PDF

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CN103743990A
CN103743990A CN 201310737322 CN201310737322A CN103743990A CN 103743990 A CN103743990 A CN 103743990A CN 201310737322 CN201310737322 CN 201310737322 CN 201310737322 A CN201310737322 A CN 201310737322A CN 103743990 A CN103743990 A CN 103743990A
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anti
circuit
input
signal
surge
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CN 201310737322
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Chinese (zh)
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CN103743990B (en )
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李超
栾庆文
陆启进
石赟
张鹏
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北京交控科技有限公司
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Abstract

The invention provides a method for detecting faults of an anti-surge device in a train automatic control system. The method comprises that an input acquiring circuit acquires a ground signal in a circuit and detects whether a signal is outputted by the output end of the input acquiring circuit; if a signal is outputted, it is determined that short circuit occurs to the anti-surge device; and that if no signal is outputted, it is determined that short circuit does not occur to the anti-surge device. According to the method for detecting faults of an anti-surge device in a train automatic control system, fault detection on the anti-surge device using the input acquiring circuit in the train automatic control system does not need additional components and parts, does not influence the availability of the train automatic control system, and does not generate external wire tangle.

Description

一种列车自动控制系统中的防浪涌器件的故障检测方法 Surge fault detection method for a device in the automatic train control

技术领域 FIELD

[0001] 本发明涉及雷电防护技术领域,尤其涉及一种列车自动控制系统中的防浪涌器件的故障检测方法。 [0001] The present invention relates to lightning protection technology, and in particular relates to a fault detection method for an anti-surge device in the automatic train control.

背景技术 Background technique

[0002] 列车自动控制系统需要采集车辆的输入开关量。 [0002] The automatic train control switch to enter the vehicle collection. 这些开关量对整个系统至关重要,如果采集错误将会影响自控系统输出错误的控制信息,有可能造成人员伤亡等事故。 These switches is crucial to the whole system, if the acquisition will affect the automatic control system output error error control information, may result in casualties and other accidents. 这些由车辆引入的开关量必然会带有诸如浪涌、高频等干扰信号,为了保证能采集到正确的输入开关量,通常需要在输入采集电路中设计EMC(Electro Magnetic Compatibility,电磁兼容)防护电路。 The switch will inevitably introduced by having the vehicle, such as a surge interference signal, frequency, etc., can be collected in order to ensure that the correct quantity input switch, generally necessary to design EMC (Electro Magnetic Compatibility, EMC) in input acquisition circuit protection circuit. EMC防护电路中的防浪涌器件在实际应用中可能会被击穿失效。 Surge EMC protection circuit device may be breakdown failure in practical applications. 防浪涌器件的故障同样可能导致采集到错误的开关量,甚至烧毁设备。 Fault anti-surge devices could likewise lead to the wrong switch collected, even burning equipment. 因此需要对输入采集电路中的防浪涌器件进行故障检测。 Hence the need for fault detection circuit of the input acquisition surge device.

[0003] 现有技术中,常用的对防浪涌器件故障检测的方法有以下两种: [0003] In the prior art, there are two commonly used methods for preventing surge failure detection device:

[0004] 第一种方法是:在输入采集电路公共端添加直流电源,当有防浪涌器件短路失效时,失效故障采集回路将采集到故障信号。 [0004] A first method is: Add the common terminal of the input DC power collecting circuit, when a surge protection device fail short circuit failure fault collection the collected fault signal.

[0005] 第二种方法是:输入采集电路首先提供动态信号,开关闭合时采集到的也将会是动态信号。 [0005] The second method is: first providing a dynamic input signal acquisition circuit, the switch is closed will be collected dynamic signal. 当输入采集电路发生故障如防浪涌器件断路或者短路时,采集端将采集到固定电平,从而判断电路防浪涌器件发生故障。 When the input capture circuit failure such as disconnection or short anti-surge device, the collected collection end fixed level, so that anti-surge device determination circuit failure.

[0006] 通过上述描述可见,在第一种方法中,需要在输入采集电路中添加直流电源、光继电器等元器件,而在输入采集电路中放置有源电源芯片将会对EMC防护功能产生一定的影响,同时添加的元器件存在一定的失效风险,影响整个系统的可用性。 [0006] seen from the above description, in the first method, it is necessary to add a DC power supply, relays and other components in the input light collection circuit, is placed in an active power input acquisition circuit chip will have some protection for EMC impact, but there is the added risk of failure of certain components, affect the availability of the entire system. 在第二种方法中,利用了动态信号进行采集,但是只能保证输入采集电路上元器件故障时采集到固定电平,如果外部线缆发生混线,将误以为是开关闭合,采集到错误信息。 In a second method, using a dynamic signal acquisition, it can only guarantee a fixed level when the acquired fault input acquisition circuit components, mixing occurs if the external cable line will be mistaken for the switch is closed, the collected error information.

发明内容 SUMMARY

[0007] 本发明提供了一种列车自动控制系统中的防浪涌器件的故障检测方法,能够对防浪涌器件进行故障检测,并且,不会影响整个系统的可用性、不会产生外部混线。 [0007] The present invention provides a method for fault detection device Surge an automatic train control system, anti-surge device capable of fault detection, and, without affecting the availability of the entire system will not generate an external mixing line .

[0008] 本发明提供了一种列车自动控制系统中的防浪涌器件的故障检测方法,所述方法包括: [0008] The present invention provides a method for fault detection device Surge an automatic train control system, the method comprising:

[0009] 通过一路输入采集电路采集电路中的大地的信号; [0009] Signal acquisition earth circuit through one input acquisition circuit;

[0010] 检测所述输入采集电路的输出端的是否有信号; [0010] The input acquisition detection circuit there is a signal output terminal;

[0011] 如果有信号,则防浪涌器件发生短路; [0011] If the signal, then the anti-surge device short-circuited;

[0012] 如果没有信号时,则防浪涌器件没有发生短路。 [0012] If there is no signal, the anti-surge device is not short-circuited.

[0013] 进一步地,所述通过一路输入采集电路采集电路中大地的信号,具体包括: [0013] Further, one input by the signal acquisition circuitry earth acquisition circuit comprises:

[0014] 将所述一路输入采集电路的输入端连接到电路中的大地。 [0014] The data acquisition circuit with one input connected to the input terminal of the circuit earth.

[0015] 通过本发明提供的一种列车自动控制系统中的防浪涌器件的故障检测方法,通过列车自动控制系统中的一路输入采集电路对防浪涌器件进行故障检测不需要添加新的元器件不会影响列车自动控制系统的可用性,不会产生外部混线。 [0015] The fault detection method for an anti-surge device of the automatic train control system provided by the present invention, the fault detection of the surge protection device by the automatic train control one input of the acquisition circuit without adding a new element device does not affect the availability of automatic train control system will not generate an external mixing line.

附图说明 BRIEF DESCRIPTION

[0016] 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。 [0016] In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, briefly introduced hereinafter, embodiments are described below in the accompanying drawings or described in the prior art needed to be used in describing the embodiments figures some embodiments of the present invention, those of ordinary skill in the art is concerned, without creative efforts, can derive from these drawings other drawings.

[0017]图1是本发明实施例提供的一种列车自动控制系统中的防浪涌器件的故障检测方法流程图。 [0017] FIG. 1 is a flowchart of fault detection method for an anti-surge device automatic train control provided in the embodiment of the present invention.

具体实施方式 detailed description

[0018] 为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例,基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。 [0018] In order that the invention object, technical solutions, and advantages of the embodiments more clearly, the following the present invention in the accompanying drawings, technical solutions of embodiments of the present invention are clearly and completely described, obviously, the described the embodiment is an embodiment of the present invention is a part, rather than all the embodiments based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without creative efforts shall fall within the present scope of the invention.

[0019] 本发明实施例提供了一种列车自动控制系统中的防浪涌器件的故障检测方法,参见图1,该方法包括: [0019] Example embodiments provide a method for fault detection device Surge an automatic train control system according to the present invention, referring to FIG. 1, the method comprising:

[0020] 步骤101:通过一路输入采集电路采集电路中的大地的信号; [0020] Step 101: a signal acquisition circuit earth via a single input acquisition circuit;

[0021] 步骤102:检测该输入采集电路的输出端的是否有信号; [0021] Step 102: detecting the output of the acquisition circuit input there is a signal;

[0022] 步骤103:如果有信号,则防浪涌器件发生短路; [0022] Step 103: If there is a signal, the anti-surge device short-circuited;

[0023] 步骤104:如果没有信号时,则防浪涌器件没有发生短路。 [0023] Step 104: If there is no signal, the anti-surge device short circuit does not occur.

[0024] 其中,通过一路输入采集电路采集电路中大地的信号,具体包括: [0024] wherein the ground circuit signal acquisition by collecting one input circuit, comprises:

[0025] 将该一路输入采集电路的输入端连接到电路中的大地。 [0025] The data acquisition circuit with one input connected to the input terminal of the circuit earth.

[0026] 需要说明的是:在列车自动控制系统中有多路输入采集电路,从中选择一路来检测防浪涌器件的故障。 [0026] Incidentally: acquisition circuit has multiple inputs, select the way to detect faults in the anti-surge device of the automatic train control.

[0027] 在防浪涌器件的支路添加保险,每条支路并联两路保护器件。 [0027] In the anti-surge device to add the insurance branch, each branch in parallel with two protection devices. 将输入滤波电容放至防浪涌器件的后面,对输入信号线进行防浪涌保护然后再进行电容滤波。 The input filter capacitor to the rear anti-surge discharge device, an input signal line and then anti-surge protection for capacitor filter. 同时,为了降低电路的复杂度并有效防止输入电路混线,使多路输入采集电路共用一路INPUT_GND端和EARTH 端。 Meanwhile, in order to reduce the complexity of the circuit and effectively prevent mixing input circuit lines, so that multi-way input acquisition circuit common terminal and EARTH terminal INPUT_GND.

[0028] 当第一输入采集电路上的防浪涌器件被击穿失效时,该第一输入采集电路的外部输入量信号会经过电路的大地串入该用于检测故障的第二输入采集电路中,此时在第二输入采集电路的输出端上可以采集到上端的防浪涌器件击穿后导入的信号,由此可以确定第一输入采集回路中有防浪涌器件被击穿短路失效,如果第二输入采集电路的输出端上没有采集到上端的防浪涌器件被击穿后导入的信号,则防浪涌器件没有击穿。 [0028] When the anti-surge device on a first input acquisition circuit breakdown failure, the first input of the acquisition circuit via external input signal will be ground into the second series circuit is input to the acquisition circuit for detecting a fault in this case at the output of the second acquisition circuit input signal may be acquired to the upper end of the surge protection device breakdown introduced, thereby determining a first input circuit has acquired anti-surge device breakdown failed short , if the second input signal is acquired without acquisition of the upper anti-surge device introduced after the output of the circuit is broken, the anti-surge device does not break down. 其中,第二输入检测电路只用作了防浪涌器件的故障检测,不用作实际的输入信号采集,所以当防浪涌器件击穿失效导入外部实际输入量时,不会对实际的输入采集结果造成影响。 Wherein the second input of the detection circuit is used as the only anti-surge failure detection device is not used as the actual input signal acquisition, when the anti-surge device breakdown failure actually introducing external input, not the actual input acquisition resulting impact.

[0029] 通过上述描述可见,本发明实施例具有如下有益效果: [0029] The above description is visible through, embodiments of the present invention has the following advantages:

[0030] 通过本发明实施例提供的一种列车自动控制系统中的防浪涌器件的故障检测方法,通过列车自动控制系统中的一路输入采集电路对防浪涌器件进行故障检测不需要添加新的元器件不会影响列车自动控制系统的可用性,不会产生外部混线。 Surge fault detection method for an automatic train control device system provided in the [0030] embodiment of the present invention, anti-surge device of failure detection by the need for new automatic train control one input of the acquisition circuit the components will not affect the availability of automatic train control system will not generate an external mixing line.

[0031] 需要说明的是,在本文中,诸如第一和第二之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。 [0031] Incidentally, herein, relational terms such as first and second and the like are only used to distinguish one entity or operation from another entity or action without necessarily requiring or implying such entities or the presence of any such actual relationship or order between operations. 而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。 Further, the term "comprising", "containing" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, article, or apparatus not include only those elements but not expressly listed further comprising the other elements, or further comprising such process, method, article, or apparatus inherent elements. 在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同因素。 Without more constraints, by the wording "include a ......" defining element does not exclude the existence of additional identical elements in the element comprising a process, method, article, or apparatus.

[0032] 本领域普通技术人员可以理解:实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成,前述的程序可以存储在计算机可读取的存储介质中,该程序在执行时,执行包括上述方法实施例的步骤;而前述的存储介质包括:R0M、RAM、磁碟或者光盘等各种可以存储程序代码的介质中。 [0032] Those of ordinary skill in the art can be appreciated: realize all or part of the steps of the method described above may be implemented by a program instructing relevant hardware to complete, the program may be stored in a computer-readable storage medium, the program execution when, comprising the step of performing the above-described embodiment of the method; and the storage medium includes: various R0M, RAM, magnetic disk, or an optical medium that can store program code.

[0033] 最后需要说明的是:以上所述仅为本发明的较佳实施例,仅用于说明本发明的技术方案,并非用于限定本发明的保护范围。 [0033] Finally, it should be noted that: The above are only preferred embodiments of the present invention, only to illustrate the technical solution of the present invention and are not intended to limit the present invention. 凡在本发明的精神和原则之内所做的任何修改、等同替换、改进等,均包含在本发明的保护范围内。 Where any modifications within the spirit and principle of the present invention is made of, equivalent replacement, improvement, etc., are included within the scope of the present invention.

Claims (2)

  1. 1.一种列车自动控制系统中的防浪涌器件的故障检测方法,其特征在于,所述方法包括: 通过一路输入采集电路采集电路中的大地的信号; 检测所述输入采集电路的输出端的是否有信号; 如果有信号,则防浪涌器件发生短路; 如果没有信号时,则防浪涌器件没有发生短路。 CLAIMS 1. A method for fault detection device Surge automatic train control system, wherein, said method comprising: a signal acquisition circuit earth via a single input acquisition circuit; detecting the input of the acquisition circuit output terminal whether a signal; if there is a signal, the anti-surge device is short-circuited; if there is no signal, the anti-surge device short circuit does not occur.
  2. 2.根据权利要求1所述的方法,其特征在于,所述通过一路输入采集电路采集电路中大地的信号,具体包括: 将所述一路输入采集电路的输入端连接到电路中的大地。 2. The method according to claim 1, characterized in that said one input signal acquisition circuit in the earth by the circuit, comprises: connecting said one input of the acquisition circuit input terminal to the circuit ground.
CN 201310737322 2013-12-26 2013-12-26 Surge fault detection method for a device in the automatic train control CN103743990B (en)

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