CN106093544A - Collection shunting signal, locomotive digital quantity signal and electrical locomotive power three-in-one detection device - Google Patents

Collection shunting signal, locomotive digital quantity signal and electrical locomotive power three-in-one detection device Download PDF

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Publication number
CN106093544A
CN106093544A CN201610437512.3A CN201610437512A CN106093544A CN 106093544 A CN106093544 A CN 106093544A CN 201610437512 A CN201610437512 A CN 201610437512A CN 106093544 A CN106093544 A CN 106093544A
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China
Prior art keywords
locomotive
signal
digital quantity
shunting
electrical
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CN201610437512.3A
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Chinese (zh)
Inventor
周雪冬
范旭
吴洪波
冯亮
刘公卿
王业流
申竹林
张艳
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Hunan CRRC Times Signal and Communication Co Ltd
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Hunan CRRC Times Signal and Communication Co Ltd
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Priority to CN201610437512.3A priority Critical patent/CN106093544A/en
Publication of CN106093544A publication Critical patent/CN106093544A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2503Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques for measuring voltage only, e.g. digital volt meters (DVM's)
    • 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
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a kind of collection shunting signal, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, solve the shortcoming that the locomotive digital quantity signal detection equipment cab signal to collecting can not effectively judge the effectiveness of signal.Its technical scheme is: by the magnitude of voltage of the 5V lamp display signals that 110V digital quantity signal and the shunter of the output of A/D transition detection locomotive export, by CPU according to the height of magnitude of voltage decision level, complete the collection of locomotive digital quantity signal and shunting signal, and these information are effectively broadcast to main control device by the FlexRay communication bus of dual redundant by the magnitude of voltage of detection record electrical locomotive power in real time.

Description

Collection shunting signal, locomotive digital quantity signal and electrical locomotive power three-in-one detection device
Technical field
The present invention relates to a kind of signal supervisory instrument, particularly relate in Locomotive Running Monitor System shunting signal, machine Car digital quantity signal and electrical locomotive power carry out the device of three-in-one detection.
Background technology
Locomotive Running Monitor System is to ensure that train operating safety controls device for main purpose train speed, is railway The main Support Equipment of speed raising for several times.Existing Locomotive Running Monitor System is within 2000, to start to develop and come into operation, with The change of the external environment conditions such as Leap-forward Development of Railway speed-raising, Locomotive Running Monitor System can not meet the need that train uses Want.Under this overall background, the Locomotive Running Monitor System of a new generation arises at the historic moment.Set forth herein a kind of collection shunting signal, locomotive Digital quantity signal and electrical locomotive power three-in-one detection device as a functional module of the Locomotive Running Monitor System of a new generation, Complete locomotive digital quantity signal and the monitoring function of electrical locomotive power, shunting monitoring host function can be realized.
The detection of locomotive digital quantity signal is processed by the Locomotive Running Monitor System one side of currently used LKJ2000 type Mode is directly to use the DC110V digital quantity signal by locomotive exports to carry out blood pressure lowering, then uses photoelectric isolation technology, it is achieved The collection of single channel digital amount signal.The digital quantity signal gathered embodies in the way of switching value, and this mode can only be simple Output situation by digital quantity signal is sent to the master control unit of Locomotive Running Monitor System, the output quality to digital quantity signal And the impact on master control unit cannot judge and fluctuation also no record means to locomotive digital output signal, it is impossible to follow-up The analysis of locomotive operation situation judges to provide effectively to be supported;The most uncertain to electrical locomotive power state, lack detection;Also have As shunting monitoring to be realized then needs to extend out shunting signal rosette.
In existing market, there is the product realizing simple function: locomotive digital quantity detection function has supervising device testing machine The functional expending box of car digital quantity signal and shunter signal detection have shunting signal rosette.
Functional expending box directly uses photoelectric isolation technology, gathers 8 passage locomotive digital quantity signals, then by micro-process The GPIO pin of device (MCU) gathers, is more externally sent at supervising device master control unit by the CAN of microprocessor Reason.
Shunting signal rosette provides between Transistor-Transistor Logic level signal and the supervising device that flat shunting lamp shows system output Interface, it is possible to realize the conversion of flat shunting lamp display signals and cab signal when shunting, and enable engine monitoring apparatus to connect Receive flat shunting lamp show system signal and without supervising device is modified.
Existing locomotive digital quantity signal detection device by after digital quantity signal blood pressure lowering current limliting that locomotive export, use Photoelectric isolating device gathers in the way of on-off model, after being converted to weak digital quantity signal, by latch devices, by device CPU read by chip selection signal.This mode can only simply gather the open and close two states of locomotive digital quantity signal, right The situation that digital quantity signal is between on-state and off-state can not judge.When locomotive operation outlet fault, it is impossible to pass through The state analyzing digital quantity signal judges the failure problems point of locomotive.And the power supply status of locomotive electric power storage stream can not be detected, do not have There is integrated shunting monitoring function.
Summary of the invention
The brief overview of one or more aspect given below is to provide the basic comprehension in terms of these.This general introduction is not The extensive overview of all aspects contemplated, and the key or decisive key element being both not intended to identify all aspects is the most non- Attempt to define the scope in terms of any or all.Its unique purpose is intended to provide the one of one or more aspect in simplified form A little concepts think the sequence of more detailed description given later.
It is an object of the invention to solve the problems referred to above, it is provided that a kind of collection shunting signal, locomotive digital quantity signal and machine Car power supply three-in-one detection device, can detect the power supply status of locomotive storage batteries in real time, feed back to supervising device;Can accurate acquisition Locomotive digital quantity magnitude of voltage, effectively checking locomotive power supply status, solve conventional locomotive digital quantity signal detection equipment to adopting Collect to cab signal can not effectively judge the shortcoming of effectiveness of signal;And can automatically switch and realize shunting monitoring main frame etc. Three zones.
The technical scheme is that and present invention is disclosed a kind of collection shunting signal, locomotive digital quantity signal and locomotive electrical The three-in-one detection in source device, including:
Shunting signal input module, gathers shunting signal, then processes through Phototube Coupling and be converted to after analog digital conversion adjust The frequency signal that car signal is corresponding;
Locomotive digital quantity signal input module, gathers locomotive digital quantity signal, then turns through Phototube Coupling process and modulus The frequency signal that locomotive digital quantity signal is corresponding is converted to after changing;
Electrical locomotive power input module, gathers electrical locomotive power, then processes through Phototube Coupling and be converted to machine after analog digital conversion The frequency signal that car power supply is corresponding;
Microprocessor module, and shunting signal input module, locomotive digital quantity signal input module and electrical locomotive power are defeated Enter module to be electrically connected with, by monitoring locomotive supply voltage and the fluctuation situation of locomotive digital quantity signal voltage, it is judged that locomotive number The quality of word amount signal and effectiveness;
Communication module, passes through the electrical locomotive power recorded, locomotive digital quantity signal, the voltage pulsation situation of shunting signal Communication mode externally sends.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, device also includes:
LED indicating module, the ruuning situation of display device, communication work feelings by the way of the turning on/off/flash of display lamp Condition and the working condition of monitoring passage.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, communication module includes the FlexRay communication chip of dual redundant, two-way CAN communication bus, RS232 communication chip.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, device also includes:
Photoelectric isolating device, carries out linear photoconductor to the shunting signal collected, locomotive digital quantity signal and electrical locomotive power Isolation processing.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, device also includes:
Analog-digital converter, connects photoelectric isolating device, and the analogue signal processed through Phototube Coupling is digitized place The frequency signal of correspondence is obtained after reason.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, by Heibei provincial opera circuitry self test signal, device judges whether the sense channel of shunting signal breaks down.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, by digital quantity self-test signal, device judges whether the sense channel of locomotive digital quantity signal breaks down.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, device also includes:
Memory module, records electrical locomotive power, locomotive digital quantity signal, the voltage pulsation situation of shunting signal.
Collection shunting signal, locomotive digital quantity signal and an enforcement of electrical locomotive power three-in-one detection device according to the present invention Example, this device is applied in Locomotive Running Monitor System.
The present invention contrasts prior art following beneficial effect: the present invention is by the output of A/D transition detection locomotive 110V digital quantity signal and the magnitude of voltage of 5V lamp display signals of shunter output, by CPU according to the height of magnitude of voltage decision level, Complete the collection of locomotive digital quantity signal and shunting signal, and detection records the magnitude of voltage of electrical locomotive power in real time, by double superfluous These information are effectively broadcast to main control device by remaining FlexRay communication bus.
The present invention can detect the power supply status of record locomotive storage batteries in real time, feeds back to Locomotive Running Monitor System, has Effect card electrical locomotive power state;Can accurate acquisition locomotive digital quantity magnitude of voltage, it is ensured that the digital quantity signal of locomotive output accurate Property and reliability, grasp the quality of digital quantity signal of locomotive output, solve conventional locomotive digital quantity signal detection equipment The shortcoming that the cab signal collected can not effectively be judged the effectiveness of signal;Can be real by the switching of external signal automatic decision Existing shunting monitoring host function.
Accompanying drawing explanation
Fig. 1 shows collection shunting signal, locomotive digital quantity signal and the electrical locomotive power three-in-one detection device of the present invention The overall pattern of preferred embodiment.
Fig. 2 shows collection shunting signal, locomotive digital quantity signal and the electrical locomotive power three-in-one detection device of the present invention The functional realiey block diagram of preferred embodiment.
Detailed description of the invention
After reading the detailed description that embodiment of the disclosure in conjunction with the following drawings, it is possible to be more fully understood that the present invention's Features described above and advantage.In the accompanying drawings, each assembly is not necessarily drawn to scale, and has similar correlation properties or feature Assembly be likely to be of same or like reference.
Fig. 1 shows collection shunting signal, locomotive digital quantity signal and the electrical locomotive power three-in-one detection device of the present invention The population structure of preferred embodiment, Fig. 2 shows the refinement functional block diagram of the preferred embodiment of device.Refer to Fig. 1 and Fig. 2, The device of the present embodiment uses the DC5V power supply of standard to power, and its outside input signal is shunting signal, locomotive digital quantity letter Number and electrical locomotive power.The output of the outside of device is that these are gathered by the FlexRay communication bus by dual redundant and deposits The information of storage is effectively broadcast to master control unit.
For the internal structure of apparatus of the present invention, it specifically includes that shunting signal input module, locomotive digital quantity signal are defeated Enter module, electrical locomotive power input module, microprocessor module and communication module.
The function of shunting signal input module is to gather shunting signal, then processes through Phototube Coupling and change after analog digital conversion For the frequency signal that shunting signal is corresponding.In the Heibei provincial opera signals collecting shown in Fig. 2, acquire 7 road shunting signals and (include 6 tunnels Shunt switching signal in Heibei provincial opera lamp display signals and 1 road), then (the highest by high-precision resistor network blood pressure lowering, photoelectric isolating device Accurate linear photoelectrical coupler) isolation, operational amplifier amplifies, and analog-digital converter is converted to output extremely micro-process after frequency signal Device module (CPU), is scaled magnitude of voltage by microprocessor module by frequency values equal proportion.
Locomotive digital quantity signal input module gathers locomotive digital quantity signal, then processes and analog digital conversion through Phototube Coupling After be converted to the frequency signal that locomotive digital quantity signal is corresponding.In the digital quantity signal shown in Fig. 2 gathers, gather No. 16 locomotives DC110V digital quantity signal, then by high-precision resistor network blood pressure lowering, photoelectric isolating device (such as high-precision linear light thermocouple Clutch) isolation, operational amplifier amplifies, and analog-digital converter exports after being converted to frequency signal to microprocessor module (CPU), by Frequency values equal proportion is scaled magnitude of voltage by microprocessor module.
Electrical locomotive power input module gathers electrical locomotive power, then processes through Phototube Coupling and be converted to locomotive after analog digital conversion The frequency signal that power supply is corresponding.In the 110V power supply shown in Fig. 2 gathers, gather 110V power supply, then by high-precision resistance Network blood pressure lowering, photoelectric isolating device (such as high-precision linear photoelectrical coupler) isolation, operational amplifier amplifies, analog-digital converter Export after being converted to frequency signal to microprocessor module (CPU), microprocessor module frequency values equal proportion is scaled electricity Pressure value.
Meanwhile, 16 tunnel locomotive DC 110V digital quantity signals equipped with special passage self-checking circuit, self-checking circuit can and Time to microprocessor module feed back each locomotive digital quantity signal acquisition channel function the most normal, it is ensured that the locomotive number collected Word amount signal is effective.
Additionally, 7 road shunting signals are also equipped with special passage self-checking circuit, self-checking circuit can be in time to microprocessor The function of module feedback each shunting signal acquisition channel is the most normal, it is ensured that the shunting signal collected is effective.
Device also includes memory module (Flash, SRAM etc. as in Fig. 2), the locomotive digital quantity signal that will collect Output situation and locomotive DC 110V mains voltage variations fluctuation situation real time record, then by the communication module in device by record Under electrical locomotive power, locomotive digital quantity signal, the voltage pulsation situation of shunting signal externally sent by communication mode.? In the present embodiment, communication module can be the FlexRay communication chip of dual redundant, i.e. by the dual redundant of microprocessor module FlexRay communication modes overseas broadcast, thus realize the collection of locomotive digital quantity signal, store and send.
The communication module of device is also reserved with CAN communication interface (the two-way CAN communication bus in figure), can be in subsequent applications In with peripheral communication.Further, it is also possible to by RS232 communication chip and peripheral hardware communication.
Device also include in LED indicating module, i.e. Fig. 2 28 paths of LEDs output, the LED light carried with lamp turn on/off/ The ruuning situation of mode display device software of flicker, the working condition of communication bus and each working condition monitoring passage Deng.
Owing to the power supply of the digital quantity signal of locomotive uses locomotive DC 110V power supply, this device gathers locomotive digital quantity Also monitoring electrical locomotive power voltage pulsation situation while signal, this kind of mode can be by the reality of electrical locomotive power magnitude of voltage Time monitor situation, it is judged that the locomotive digital quantity signal collected is the most effectively, the most normally export.Go out at locomotive digital quantity signal During existing fault, the electrical locomotive power voltage condition that can be obtained by supervision on year-on-year basis judges the trouble point of locomotive digital quantity signal, fault Type etc..
By the above embodiments, assembly of the invention has a following feature:
(1) by monitoring locomotive DC110V supply voltage and the fluctuation situation of locomotive digital quantity signal voltage, it is judged that locomotive The quality of digital output signal and effectiveness.
(2) use high accuracy, high reliability linear photoelectric isolation device to electrical locomotive power voltage, locomotive 110V digital quantity Signal, shunting signal are isolated.
(3) mode of analog digital conversion (A/D conversion) is used, by the electrical locomotive power voltage collected, locomotive 110V digital quantity Signal, shunting signal are converted to frequency signal, are sent to microprocessor module and process, can get information about the shape of each road signal State, electrical locomotive power.
(4) all digital quantity signals and shunting signal acquisition channel possess self-checking function, it is possible to self judgment sense channel Whether break down, and record the main control unit being sent to supervising device, the self-checking function of this channel level is substantially shorter certainly Die barrier diagnosis efficiency.
(5) electrical locomotive power, locomotive 110V digital quantity signal, the voltage pulsation situation of shunting signal by these it are able to record that Information preserves, and externally can be sent by communication mode.When locomotive operation breaks down, by with reference to these information, carrying High fault diagnosis efficiency.
(6) the FlexRay communication modes of dual redundant, it is ensured that the reliability of communication link, thus improve external communication Reliability.There is provided two-way external CAN communication mode, as reserved communication interface simultaneously.
(7) LED light is carried, it is possible to the ruuning situation of display device software in the way of display lamp turns on/off/flashes, The working condition of communication bus and each working condition monitoring passage.
(8) according to automatic Heibei provincial opera signal, shunting monitoring Host Status is automatically switched to.
(9) this device realizes electrical locomotive power detection, switching of shunting realizes shunting monitoring main frame, the numeral of detection locomotive output Three kinds of major functions, more directly monitoring electrical locomotive power state such as amount signal, it is judged that the quality of output locomotive digital quantity signal, from And judge the circuit environmental quality of locomotive.
Additionally, use single module to gather the output of locomotive digital quantity signal at LKJ2000 type Locomotive Running Monitor System Whether in the case of.Judge what supervising device gathered by the electrical locomotive power magnitude of voltage situation of change of other ancillary equipment records The effectiveness of locomotive digital quantity signal, extends out rosette of shunting and realizes shunting monitoring function.
Those skilled in the art will further appreciate that, the various illustrative described in conjunction with the embodiments described herein Logic plate, module, circuit and algorithm steps can be embodied as electronic hardware, computer software or combination of the two.For clearly Chu ground explains orally this interchangeability of hardware and software, various illustrative components, frame, module, circuit and step be above with Its functional form makees what vague generalization described.This type of is functional be implemented as hardware or software depends on specifically applying and Put on the design constraint of total system.Technical staff can realize described by different modes for every kind of application-specific Functional, but such realize decision-making and should not be interpreted to cause departing from the scope of the present invention.
The various illustrative logic plates, module and the circuit that describe in conjunction with presently disclosed embodiment can use general place Reason device, digital signal processor (DSP), special IC (ASIC), field programmable gate array (FPGA) or other can compile Journey logical device, discrete door or transistor logic, discrete nextport hardware component NextPort or its be designed to carry out function described herein Any combination realizes or performs.General processor can be microprocessor, but in alternative, this processor can be to appoint Processor, controller, microcontroller or the state machine what is conventional.Processor is also implemented as the combination of calculating equipment, example One or more microprocessors of cooperating with DSP core with the combination of microprocessor, multi-microprocessor such as DSP or any its He configures this type of.
The method described in conjunction with embodiment disclosed herein or the step of algorithm can be embodied directly in hardware, in by processor Embody in the software module performed or in combination of the two.Software module can reside in RAM memory, flash memory, ROM deposit Reservoir, eprom memory, eeprom memory, depositor, hard disk, removable dish, the appointing of CD-ROM or known in the art What in the storage medium of his form.Exemplary storage medium is coupled to processor so that this processor can be from/to this storage Medium reads and write information.In alternative, storage medium can be integrated into processor.Processor and storage medium can Reside in ASIC.ASIC can reside in user terminal.In alternative, processor and storage medium can be as discrete sets Part is resident in the user terminal.
In one or more exemplary embodiments, described function can be in hardware, software, firmware or its any combination Middle realization.If being embodied as computer program in software, the most each function can be as the instruction of one or more bars or generation Code storage on a computer-readable medium or mat its transmit.Computer-readable medium includes computer-readable storage medium and communicates Both media, it includes any medium facilitating computer program to shift to another ground from a ground.Storage medium can be can quilt Any usable medium that computer accesses.Non-limiting as example, such computer-readable medium can include RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage apparatus, maybe can be used to carry or store instruction Or the desirable program code of data structure form and other medium any that can be accessed by a computer.Any connection is also by by rights It is referred to as computer-readable medium.Such as, if software is to use coaxial cable, fiber optic cables, twisted-pair feeder, numeral subscriber's line (DSL) or the most infrared, radio and microwave etc wireless technology from web site, server or other remote source pass Send, then this coaxial cable, fiber optic cables, twisted-pair feeder, DSL or the most infrared, radio and microwave etc is wireless Technology is just included among the definition of medium.Dish (disk) and dish (disc) include compact disc as used herein (CD), laser dish, laser disc, digital versatile dish (DVD), floppy disk and blu-ray disc, its mid-game (disk) often reproduces in the way of magnetic Data, and dish (disc) reproduces data optically with laser.Combinations of the above also should be included in computer-readable medium In the range of.
Thering is provided of this disclosure being previously described is for making any person skilled in the art all can make or use these public affairs Open.Various amendment of this disclosure the most all will be apparent from, and as defined herein general Suitable principle can be applied to other variants spirit or scope without departing from the disclosure.Thus, the disclosure is not intended to be limited Due to example described herein and design, but should be awarded and principle disclosed herein and novel features phase one The widest scope caused.

Claims (9)

1. one kind collects shunting signal, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, it is characterised in that including:
Shunting signal input module, gathers shunting signal, then processes through Phototube Coupling and be converted to, after analog digital conversion, letter of shunting Number corresponding frequency signal;
Locomotive digital quantity signal input module, gathers locomotive digital quantity signal, then processes and after analog digital conversion through Phototube Coupling Be converted to the frequency signal that locomotive digital quantity signal is corresponding;
Electrical locomotive power input module, gathers electrical locomotive power, then processes through Phototube Coupling and be converted to locomotive electrical after analog digital conversion The frequency signal that source is corresponding;
Microprocessor module, and shunting signal input module, locomotive digital quantity signal input module and electrical locomotive power input mould Block is electrically connected with, by monitoring locomotive supply voltage and the fluctuation situation of locomotive digital quantity signal voltage, it is judged that locomotive digital quantity The quality of signal and effectiveness;
Communication module, by the voltage pulsation situation of the electrical locomotive power recorded, locomotive digital quantity signal, shunting signal by communication Mode externally sends.
Collection shunting signal the most according to claim 1, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, its Being characterised by, device also includes:
LED indicating module, by the way of the turning on/off/flash of display lamp the ruuning situation of display device, communication work situation with And the working condition of monitoring passage.
Collection shunting signal the most according to claim 1, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, its Being characterised by, communication module includes the FlexRay communication chip of dual redundant, two-way CAN communication bus, RS232 communication chip.
Collection shunting signal the most according to claim 1, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, its Being characterised by, device also includes:
Photoelectric isolating device, carries out linear photoelectric isolation to the shunting signal collected, locomotive digital quantity signal and electrical locomotive power Process.
Collection shunting signal the most according to claim 4, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, its Being characterised by, device also includes:
Analog-digital converter, connects photoelectric isolating device, after being digitized the analogue signal processed through Phototube Coupling processing Obtain the frequency signal of correspondence.
Collection shunting signal the most according to claim 1, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, its Be characterised by, by Heibei provincial opera circuitry self test signal, device judges whether the sense channel of shunting signal breaks down.
Collection shunting signal the most according to claim 1, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, its Be characterised by, by digital quantity self-test signal, device judges whether the sense channel of locomotive digital quantity signal breaks down.
Collection shunting signal the most according to claim 1, locomotive digital quantity signal and electrical locomotive power three-in-one detection device, its Being characterised by, device also includes:
Memory module, records electrical locomotive power, locomotive digital quantity signal, the voltage pulsation situation of shunting signal.
Collection shunting signal the most according to any one of claim 1 to 8, locomotive digital quantity signal and electrical locomotive power are three-in-one Detection device, it is characterised in that this device is applied in Locomotive Running Monitor System.
CN201610437512.3A 2016-06-17 2016-06-17 Collection shunting signal, locomotive digital quantity signal and electrical locomotive power three-in-one detection device Pending CN106093544A (en)

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CN114312931A (en) * 2021-11-18 2022-04-12 国能朔黄铁路发展有限责任公司 Signal interface detection equipment, method and device of leveling equipment and storage medium

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