WO2015085833A1 - 内燃机车控制器自检测电路及方法 - Google Patents

内燃机车控制器自检测电路及方法 Download PDF

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WO2015085833A1
WO2015085833A1 PCT/CN2014/089395 CN2014089395W WO2015085833A1 WO 2015085833 A1 WO2015085833 A1 WO 2015085833A1 CN 2014089395 W CN2014089395 W CN 2014089395W WO 2015085833 A1 WO2015085833 A1 WO 2015085833A1
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channel
controller
adlc
self
signal
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PCT/CN2014/089395
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English (en)
French (fr)
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管明华
姜宝建
蔡志伟
李显锋
高磊
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中国北车集团大连机车车辆有限公司
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Priority to AU2014265102A priority Critical patent/AU2014265102A1/en
Priority to NZ702198A priority patent/NZ702198A/en
Publication of WO2015085833A1 publication Critical patent/WO2015085833A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Definitions

  • the invention relates to a self-detection circuit and a method for a diesel locomotive controller, and belongs to the technical field of railway locomotives.
  • the diesel locomotive controller is the main control system of diesel locomotives. It mainly undertakes tasks such as speed control of diesel locomotive diesel engine, locomotive load control, operation parameter detection and control. Multiple control boards in the chassis coordinate work at the same time to achieve control functions. Each control board has a frequency input, a digital input, an analog input, an excitation output, a digital output, an analog output, and an RS485 channel. In order to ensure the quality and reliability of the controller, it must be functionally tested before leaving the factory.
  • the signal detecting device provides a corresponding signal for each input, and detects each output signal through an indicator light and an oscilloscope. Due to the large number and variety of channels involved, the inspectors have a large workload and low efficiency, which is easy to introduce human error, affecting the test results, and easily lead to missed inspection.
  • the object of the present invention is to overcome the above deficiencies of the prior art and to provide a self-detecting circuit and method for a diesel locomotive controller.
  • the object of the present invention is achieved by a self-detecting circuit for a diesel locomotive controller, characterized in that after the PWM channel of the diesel locomotive controller is connected to the FI channel, the resistor is connected to the 110V power supply, and the DO channel is connected to the DI channel.
  • the AO channel is connected to the AI channel through a resistor, the CAN bus channel is connected to the CAN bus channel of the host computer, and the RS485 channel is connected to the RS485 channel of the host computer.
  • a method for self-detection of a diesel locomotive controller using the above circuit characterized in that the following steps are taken:
  • the controller receives the instruction of the upper computer
  • the controller sets the output of the PWM, DO, and AO channels according to the CAN message
  • the controller sends the FI, DI, and AI detection results to the PC through the CAN bus channel;
  • the host computer sends a life signal to the controller through RS485;
  • the controller After receiving the vital signal, the controller returns the vital signal to the upper computer through RS485;
  • the upper computer displays and compares the transmitted and received vital signals
  • the tester observes the comparison result and can judge whether the self-test is normal.
  • the solution of the invention utilizes the channel type and characteristics of the microcomputer controller, and through the circuit connection and the use of the self-test program, the microcomputer controller can realize the hardware and channel self-checking function of the microcomputer controller, instead of the original manual detection mode, greatly Improve the detection efficiency and detection accuracy, and provide a reliable test method for the fault diagnosis and maintenance of the microcomputer controller.
  • FIG. 1 is a schematic view showing the principle of a self-detecting circuit of a diesel locomotive controller according to an embodiment of the present invention.
  • Figure 2 is a schematic diagram of the circuit connecting the PWM channel and the FI channel.
  • Figure 3 is a schematic diagram of the circuit connecting the DO channel and the DI channel.
  • Figure 4 is a logic block diagram of the system operation principle.
  • Figure 5 is a flow chart of the controller self-test software.
  • the diesel locomotive controller of the present embodiment is self-detecting circuit, and the PWM channel of the controller ADLC is connected to the FI channel, and then connected to the 110V power supply through a resistor, and the DO channel is connected to the DI channel, and then connected to the DI channel through a resistor.
  • the self-checking method of the diesel locomotive controller self-detecting method of the present embodiment is to perform self-test by interconnecting the existing electrical passages of the diesel locomotive controller ADLC.
  • the PWM channel and the FI channel are interconnected and tested.
  • the FI channel detects the response frequency
  • the DO channel and the DI channel interconnect and measure each other, the DO channel outputs the level signal
  • the DI channel detects the level signal
  • the AO channel and the AI The channel interconnects the mutual measurement, the AO channel outputs the analog signal
  • the AI channel detects the analog signal
  • the CAN bus channel is connected to the CAN channel of the host PC (using the USB extended CAN channel), receives the PC command, and the microcontroller ADLC is based on the CAN.
  • the message sets the output of the PWM, DO, and AO channels.
  • the ADLC sends the FI, DI, and AI detection results to the PC through the CAN bus channel.
  • the RS485 channel is connected to the RS485 channel of the PC, and the host computer sends the life signal to the ADLC through the RS485. (The number is increased regularly).
  • the ADLC After receiving the vital signal, the ADLC returns the vital signal to the PC through RS485.
  • the PC displays and compares the transmitted and received vital signals.
  • the tester sends the host computer test program and sends the test Send the relevant instructions, observe the return results, and determine whether the self-test is normal.
  • Block 5.2 After the system is booted, it first enters block 5.2 to receive PC control commands over the CAN bus. Go to Box 5.3 and set the PWM frequency, DO channel level, and AO analog quantity according to the PC control commands. Going to block 5.4, the control FI detects the received frequency signal, the DI detects the level signal, and the AI detects the analog signal; and proceeds to block 5.5, and returns the detection result to the PC via the CAN bus. Go to box 5.6 to detect the vital signal sent by the PC through the RS485 channel. Go to box 5.7 and return the detected vital signal to the PC via RS485.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Safety Devices In Control Systems (AREA)

Abstract

提供了一种内燃机车控制器自检测电路及方法，内燃机车控制器的ＰＷＭ通道与ＦＩ通道互连，ＤＯ通道与ＤＩ通道互连，ＡＯ通道与ＡＩ通道互连，ＣＡＮ总线通道与上位机ＰＣ的ＣＡＮ总线通道相连，ＲＳ４８５通道与上位机ＰＣ的ＲＳ４８５通道相连，内燃机车控制器根据上位机ＰＣ发送的ＣＡＮ报文，设定ＰＷＭ通道、ＤＯ通道、ＡＯ通道的输出，同时内燃机车控制器通过ＣＡＮ总线通道将ＦＩ通道、ＤＩ通道、ＡＩ通道的检测结果发送给上位机ＰＣ；上位机ＰＣ通过ＲＳ４８５通道向内燃机车控制器发送生命信号，内燃机车控制器接收到该信号后，再通过ＲＳ４８５通道将该信号返回给上位机ＰＣ，上位机ＰＣ显示、对比发送和接收到的生命信号。该内燃机车控制器自检测电路能够替代原有的人工检测模式，提高了检测效率和检测准确性，也为控制器故障诊断、维修提供了可靠的测试手段。

Description

内燃机车控制器自检测电路及方法 技术领域
本发明涉及一种内燃机车控制器自检测电路及方法,属于铁路机车技术领域。
背景技术
内燃机车控制器是内燃机车的主控***，主要担负内燃机车柴油机调速控制、机车负荷控制、运行参数检测、控制等任务。机箱内的多块控制板同时协调工作，实现控制功能。每块控制板具有频率量输入、开关量输入、模拟量输入、励磁输出、开关量输出、模拟量输出、RS485通道。为了确保控制器的质量和可靠性，出厂前必须对其进行功能测试。在现有技术中，为了对所有通道进行功能检测，需要搭建控制板试验台，配置大量专用的开关量(可变)、频率量(可调)、模拟量(可调)信号源，购置专用的信号检测装置，为每一路输入提供相应的信号，并通过指示灯、示波器检测每一路输出信号。由于涉及通道数量、种类繁多，检测人员工作量大、效率低，容易引入人为误差，影响检测结果，且容易造成漏检。
发明内容
本实发明的目的就是克服上述现有技术之不足，提供一种内燃机车控制器自检测电路及方法。
本发明的目的是这样实现的：一种内燃机车控制器自检测电路，其特征在于内燃机车控制器的PWM通道与FI通道相连后，通过电阻接至110V电源，DO通道与DI通道相连后，通过电阻接至110V电源，AO通道与AI通道相连，CAN总线通道与上位机的CAN总线通道相连，RS485通道与上位机的RS485通道相连。
一种利用上述电路进行内燃机车控制器自检测的方法，其特征在于采取下列步骤：
A.控制器接收上位机的指令；
B.控制器根据CAN报文，设定PWM、DO、AO通道的输出；
C.控制器通过CAN总线通道将FI、DI、AI检测结果发送给PC；
D.上位机通过RS485向控制器发送生命信号；
E.控制器接收到该生命信号后，再通过RS485将该生命信号返回给上位机；
F.上位机显示并对比发送和接收到的生命信号；
G.检测人员观察对比结果，即可判断自检是否正常。
本发明的方案，利用了微机控制器的通道类型和特点，通过电路连接和使用自检程序，配合上位机可以实现微机控制器硬件、通道自检功能，替代原有的人工检测模式，极大地提高了检测效率和检测准确性，也对微机控制器故障诊断、维修提供了可靠的测试手段。
附图说明
图1为本发明实施例的内燃机车控制器自检测电路原理示意图。
图2为PWM通道与FI通道相连电路示意图。
图3为DO通道与DI通道相连电路示意图。
图4为***运行原理逻辑框图。
图5为控制器自检软件流程图。
具体实施方式
参看附图1～3，本实施例的内燃机车控制器自检测电路，控制器ADLC的PWM通道与FI通道相连后，通过电阻接至110V电源，DO通道与DI通道相连后，通过电阻接至110V电源,AO通道与AI通道直接导线互联,CAN总线通道与PC的CAN通道直接导线相连(采用USB扩展的CAN通道),RS485通道与PC的RS485通道直接导线相连。
本实施例的内燃机车控制器自检测方法，其基本原理是利用内燃机车控制器ADLC现有的电气通道，通过相互连接，进行自检。PWM通道与FI通道互联互测，当PWM通道输出时，FI通道检测响应的频率；DO通道与DI通道互联互测，DO通道输出电平信号，DI通道检测该电平信号；AO通道与AI通道互联互测，AO通道输出模拟量信号，AI通道检测该模拟量信号；CAN总线通道与上位机PC的CAN通道(采用USB扩展的CAN通道)相连，接收PC指令，微控制器ADLC根据CAN报文，设定PWM、DO、AO通道的输出，同时ADLC通过CAN总线通道将FI、DI、AI检测结果发送给PC；RS485通道与PC的RS485通道相连，上位机通过RS485向ADLC发送生命信号(定时增加的数字)，ADLC接收到该生命信号后，再通过RS485将该生命信号返回给PC，PC显示、对比发送和接收到的生命信号。检测人员通过运行上位机检测程序，发 送相关指令，观察返回结果，判断自检是否正常。
参看附图4，***启动后首先进入框5.2，通过CAN总线接收PC控制命令。进入框5.3，按照PC控制命令设置PWM频率、DO通道电平，以及AO模拟量。进入框5.4，控制FI检测接收到的频率信号，DI检测电平信号，AI检测模拟量信号；进入框5.5，将检测结果通过CAN总线返回给PC。进入框5.6，检测PC通过RS485通道发来的生命信号。进入框5.7，将检测到的生命信号通过RS485返回给PC。
参看附图5所示的控制器ADLC的自检软件流程图。框6.1定时计入定时中断服务程序。进入框6.2，通过CAN接收PC控制命令。进入框6.3，按命令设置PWM输出的频率。进入框6.4，按命令设置DO输出的电平(高电平、低电平)。进入框6.5，按命令设置AO输出的模拟量。进入框6.6，检测FI通道的频率。进入框6.7，检测DI通道的电平。进入框6.8，检测AI通道的模拟量。进入框6.9，将上述检测结果通过CAN总线发送给PC。进入框6.10，通过RS485通道检测PC发送的生命信号。进入框6.11，通过RS485通道将上述生命信号返回给PC。进入框6.12，完成定时中断服务程序，等待下次中断。

Claims (2)

  1. 一种内燃机车控制器自检测电路，其特征在于内燃机车控制器的PWM通道与FI通道相连后，通过电阻接至110V电源，DO通道与DI通道相连后，通过电阻接至110V电源，AO通道与AI通道相连，CAN总线通道与上位机的CAN总线通道相连，RS485通道与上位机的RS485通道相连。
  2. 一种利用权利要求1所述电路进行内燃机车控制器自检测的方法，其特征在于采取下列步骤：
    A.控制器接收上位机的指令；
    B.控制器根据CAN报文，设定PWM、DO、AO通道的输出；
    C.控制器通过CAN总线通道将FI、DI、AI检测结果发送给PC；
    D.上位机通过RS485向控制器发送生命信号；
    E.控制器接收到该生命信号后，再通过RS485将该生命信号返回给上位机；
    F.上位机显示并对比发送和接收到的生命信号；
    G.检测人员观察对比结果，判断自检是否正常。
PCT/CN2014/089395 2013-12-13 2014-10-24 内燃机车控制器自检测电路及方法 WO2015085833A1 (zh)

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AU2014265102A AU2014265102A1 (en) 2013-12-13 2014-10-24 A circuit and method for self-detecting of controller of diesel locomotive
NZ702198A NZ702198A (en) 2013-12-13 2014-10-24 A circuit and method for self-detecting of controller of diesel locomotive

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CN201310684100.6A CN103699113B (zh) 2013-12-13 2013-12-13 内燃机车控制器自检测电路及方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106547264A (zh) * 2016-09-30 2017-03-29 奇瑞汽车股份有限公司 一种控制器输入输出的检测方法及***
CN106647701A (zh) * 2016-12-13 2017-05-10 安徽航瑞航空动力装备有限公司 一种航空发动机控制器bit测试方法
US10603319B2 (en) 2016-08-04 2020-03-31 ReViral Limited Pyrimidine derivatives and their use in treating or preventing a respiratory syncytial virus infection

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103699113B (zh) * 2013-12-13 2017-02-22 中国北车集团大连机车车辆有限公司 内燃机车控制器自检测电路及方法
CN103926918B (zh) * 2014-04-28 2017-02-01 北京经纬恒润科技有限公司 一种硬件在回路设备的自检方法、***及上位机
CN114296532B (zh) * 2022-01-14 2024-06-11 中车大连电力牵引研发中心有限公司 一种riom机箱及其网络控制***

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0947182A (ja) * 1995-08-03 1997-02-18 Kyowa Kikai Kk コンピュ−タ通信を利用した鶏卵自動処理機のメンテナンスサプライシステム
CN101520744A (zh) * 2009-03-31 2009-09-02 上海远景数字信息技术有限公司 一种能自检的串口通信***及其自检方法
CN201974694U (zh) * 2010-12-23 2011-09-14 江西洪都航空工业集团有限责任公司 一种自动化测试设备快速自检***
CN103699113A (zh) * 2013-12-13 2014-04-02 中国北车集团大连机车车辆有限公司 内燃机车控制器自检测电路及方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0947182A (ja) * 1995-08-03 1997-02-18 Kyowa Kikai Kk コンピュ−タ通信を利用した鶏卵自動処理機のメンテナンスサプライシステム
CN101520744A (zh) * 2009-03-31 2009-09-02 上海远景数字信息技术有限公司 一种能自检的串口通信***及其自检方法
CN201974694U (zh) * 2010-12-23 2011-09-14 江西洪都航空工业集团有限责任公司 一种自动化测试设备快速自检***
CN103699113A (zh) * 2013-12-13 2014-04-02 中国北车集团大连机车车辆有限公司 内燃机车控制器自检测电路及方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LI, XIANFENG: "Design and Application of Test-Bed for Plug-in Board in Diesel Locomotive Controller", SCIENCE & TECHNOLOGY, 30 September 2012 (2012-09-30) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10603319B2 (en) 2016-08-04 2020-03-31 ReViral Limited Pyrimidine derivatives and their use in treating or preventing a respiratory syncytial virus infection
CN106547264A (zh) * 2016-09-30 2017-03-29 奇瑞汽车股份有限公司 一种控制器输入输出的检测方法及***
CN106547264B (zh) * 2016-09-30 2019-12-03 奇瑞汽车股份有限公司 一种控制器输入输出的检测方法及***
CN106647701A (zh) * 2016-12-13 2017-05-10 安徽航瑞航空动力装备有限公司 一种航空发动机控制器bit测试方法
CN106647701B (zh) * 2016-12-13 2019-03-29 安徽航瑞航空动力装备有限公司 一种航空发动机控制器bit测试方法

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