CN103223948A - Locomotive voltage collecting and recording system - Google Patents

Locomotive voltage collecting and recording system Download PDF

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Publication number
CN103223948A
CN103223948A CN201310149287XA CN201310149287A CN103223948A CN 103223948 A CN103223948 A CN 103223948A CN 201310149287X A CN201310149287X A CN 201310149287XA CN 201310149287 A CN201310149287 A CN 201310149287A CN 103223948 A CN103223948 A CN 103223948A
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voltage
locomotive
module
register system
master control
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CN103223948B (en
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陈李根
罗永升
李辉
匡晋湘
刘海军
宋俊辉
杨念丰
黄爱萍
钟真
欧盛芬
汪乐声
申竹林
殷源
张艳
刘公卿
刘旭君
周晓
文玮
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Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CSR Times Electric Co Ltd
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Abstract

The invention discloses a locomotive voltage collecting and recording system comprising a master recording module, a power source module, a conversion isolation module, and an operation display module. The input of the power source module is a locomotive power source. The power source module provides electric power for the master recording module and the conversion isolation module. With the conversion isolation module, 1-4 measured voltage input signals are sampled, the measured voltage input signals are subjected to isolated conversion, and the converted voltages are outputted to the master recording module. When any measured voltage input signal exceeds a preset normal range, the master recording module displays a fault alarm signal through the operation display module, and a buzzer provides a sound alarm signal. With the system provided by the invention, solutions can be provided for real-time displaying, recording, and ground analysis of various 0-180V direct-current voltages on a locomotive, such that a crew can detect the faults in time, working statuses of devices on the locomotive can be managed, problems in power source or voltage signals can be detected and solved in time, and railway locomotive vehicle operation safety can be greatly improved.

Description

A kind of locomotive voltage acquisition register system
Technical field
The present invention relates to a kind of locomotive electric cad system equipment, especially relate to a kind of voltage acquisition record (VCR, Voltage Collect Record) system that is applied to rail vehicles.
Background technology
There is multiple vdc on locomotive and the motor train unit at present, as digital switch quantity voltage between battery feed voltage, cab signaling equipment and the Train Control equipment etc., if these voltages surpass the voltage range of railway standard or specification regulation, the normal operation of locomotive will be influenced directly.The voltage recording unit that has multiple model in the market, but and be not suitable for being applied to locomotive voltage acquisition and record.Its reason is that its power supply is AC220V, and the power supply of locomotive storage batteries is DC110V, DC75V etc.Simultaneously, existing voltage recording unit also exists following technological deficiency:
(1) voltage range of existing voltage recording unit can not be under the electrical locomotive power voltage range of 0.3Un~1.7Un normal operation, can not be applicable to the voltage range of 0~180V, can not the magnitude of voltage of continuous 100 hour records more than 4 tunnel;
(2) working temperature range of existing voltage recording unit is only at 0~50 ℃, do not satisfy " GB/T 25119-2010 track traffic rolling stock electronics package " requirement to locomotive vehicle-mounted equipment work range of temperatures-25 ℃~70 ℃, precision can not reach 1V under-25 ℃~70 ℃ operating temperature;
(3) existing voltage recording unit can not be set the standard value of tested voltage, when tested electric voltage exception, can not send alerting signal, can not when voltage overshoot value, carry out audible alarm, can not be after electric voltage exception in the passage name of test equipment display abnormality voltage;
(4) demonstration, the query function of existing voltage recording unit no-voltage log file ground statistics, analysis software or software are incomplete, the voltage log file can not be dumped to ground and carry out statistics and analysis.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of locomotive voltage acquisition register system, can show for the voltage of various 0V~180V on the locomotive in good time, record and analysis provide solution, be convenient to the crew member and in time find fault, grasp the service condition of equipment on the locomotive, and in time find and solve the problem of power supply or voltage signal aspect, significantly improve the safety and the reliability of rail traffic vehicles electric apparatus mounted on vehicle, thereby improved the safety of rail vehicles operation.
In order to realize the foregoing invention purpose, the present invention specifically provides a kind of technic relization scheme of locomotive voltage acquisition register system, and a kind of locomotive voltage acquisition register system comprises: master control logging modle, power module, conversion isolation module and Operation display module.Power module be input as electrical locomotive power, described power module provides power supply for described master control logging modle and conversion isolation module, described conversion isolation module is sampled to 1 to 4 tunnel tested voltage input signal, and exports described master control logging modle to after tested voltage input signal isolated conversion.When the normal range of the tested voltage input signal in arbitrary road above setting, described master control logging modle shows failure alarm signal by described Operation display module.
Preferably, described master control logging modle comprises USB interface, and described master control logging modle is stored to moveable magnetic disc by USB interface with the voltage log file, carries out statistics and analysis by described moveable magnetic disc dump to PC again.
Preferably, the input supply voltage scope of described power module is 0.3U n~1.7U n, U nBe the electrical locomotive power nominal voltage.
Preferably, described 1 to 4 tunnel tested voltage input signal is the voltage signal of 0V~180V scope, and described conversion isolation module is to tested voltage input signal transmitting and converting with after isolating, and the voltage analog signal of output 0V~3.3V is to described master control logging modle.
Preferably, described power module is by power interface input locomotive battery feed Un, through described power module conversion, output direct current+5V, direct current+12V are described master control logging modle power supply, output direct current ± 15V is described conversion isolation module power supply, and output direct current+12V provide voltage acquisition passage self check voltage for described conversion isolation module.
Preferably, a certain road voltage in described 1 to 4 tunnel tested voltage input signal exceeds and starts buzzer phone after the scope of 0.8U~1.15U and report to the police, and wherein, U is the normal voltage value.Background colour with the passage name on the described Operation display module interface changes the caution look into the sign abnormal passage simultaneously, stops to report to the police by " affirmation " button during warning.
Preferably, when described locomotive voltage acquisition register system entrucking debugging, configure the unlatching of tested voltage input signal sampling channel or close, and the normal voltage value U of sampling channel is opened in setting, when not setting the normal voltage value, begin the average voltage of back in the setting-up time as the normal voltage value with voltage acquisition.
Preferably, described power module is exported the multi-channel relay normally open port of one road direct current+12V to described conversion isolation module, and tested voltage input signal links to each other with the normally closed port of described relay.When described locomotive voltage acquisition register system self check, the described multi-channel relay of described master control logging modle output self-checking command conducting, described conversion isolation module inserts self check normal voltage direct current+12V, and the collection voltage of described master control logging modle is state working properly in the error limit that allows.
Preferably, the collection voltage of the tested voltage input signal described 1 to 4 tunnel all just often, described master control logging modle serves as that voltage once gathered in record at interval with first setting-up time, serves as that voltage once gathered in record at interval to exceeding the acquisition channel of gathering voltage range with second setting-up time less than described first setting-up time, when gathering voltage when the 3rd setting-up time changes above the setting amplitude, serve as that voltage once gathered in record at interval with setting-up time four less than described first setting-up time.
Preferably, the collection voltage of the tested voltage input signal described 1 to 4 tunnel all just often, described master control logging modle is that voltage once gathered in record at interval with 1s, to exceeding the acquisition channel of gathering voltage range is that voltage once gathered in record at interval with 20ms, when gathering voltage when the 20ms variation surpasses 5%, be that voltage once gathered in record at interval with 20ms.
Preferably, described Operation display module adopts vehicle-mounted display interface, by the normal voltage value of described vehicle-mounted display interface setting-up time, each tested voltage in road; During described locomotive voltage acquisition register system normal operation, vehicle-mounted display interface shows and comprises the current voltage of system time, 4 road tested voltages, the maximum voltage of this operation, the information of minimum voltage; Described master control logging modle comprises clock chip, when described locomotive voltage acquisition register system Installation and Debugging, in the vehicle-mounted display interface manual initialization system time.
Preferably, described power module produces " outage early warning " interrupt signal, and exports described master control logging modle to." outage early warning " signal output normal voltage signal when supply regular power; When described locomotive voltage acquisition register system input power source abnormality or when closing; " outage early warning " is changed to failure voltage signal in setting-up time; other output voltages of described power module continue the output certain hour; guaranteeing that described locomotive voltage acquisition register system finishes gatherer process, and storage primary voltage signal and other key messages.
By implementing the technical scheme of a kind of locomotive voltage acquisition register system that the invention described above provides, have following technique effect:
(1) the present invention can be a normal operation under the wide region of 0.3Un~1.7 Un at electrical locomotive power voltage, and at the locomotive power supply power supply unusual suddenly or recording voltage value again when closing, the reliability height;
(2) the present invention can occur carrying out auto alarm, and further identifying the passage of et out of order when unusual at tested power supply;
(3) the present invention can use moveable magnetic disc dump voltage log file, and can carry out statistics and analysis by voltage record analysis software;
(4) display interface of the present invention is directly perceived, and is simple to operate, the warning of locomotive electric voltage exception, voltage log file ground statistics is provided, analyzed, and the localization method and the fault verification foundation of locomotive electric voltage exception fast and accurately are provided.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the system architecture diagram of a kind of specific embodiment of locomotive voltage acquisition register system of the present invention.
Among the figure: 1-locomotive voltage acquisition register system, 2-master control logging modle, the 3-power module, 4-changes isolation module, 5-Operation display module, 6-PC machine.
The specific embodiment
For quote and know for the purpose of, with the technology that hereinafter uses, write a Chinese character in simplified form or abridge and be described below:
PC: Personal Computer, Personal Computer;
VCR:Voltage Collect Record, system voltage acquisition and recording system;
DC:Direct Current, direct current (DC);
AC:Alternating Current, alternating current;
USB:Universal Serial Bus, USB;
TFT-LCD:Thin Film Transistor-Liquid Crystal Display, Thin Film Transistor-LCD;
RAM:Random Access Memory, random access memory;
LED:Light Emitting Diode, light-emitting diode;
FLASH:Flash Memory, flash memory;
FPGA:Field Programmable Gate Array, i.e. field programmable gate array;
LVDS:Low Voltage Differential Signaling, Low Voltage Differential Signal.
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 1, provided the specific embodiment of a kind of locomotive voltage acquisition of the present invention register system, the invention will be further described below in conjunction with the drawings and specific embodiments.
The specific embodiment of a kind of locomotive voltage acquisition register system as shown in Figure 1, locomotive voltage acquisition register system 1 comprises: master control logging modle 2, power module 3, conversion isolation module 4 and Operation display module 5.Power module 3 be input as electrical locomotive power, power module 3 provides power supply for master control logging modle 2 and conversion isolation module 4.The tested voltage input signal of 4 pairs 1 to 4 tunnel of isolation modules of conversion is sampled, and exports master control logging modle 2 to after tested voltage input signal isolated conversion.When the normal range of the tested voltage input signal in arbitrary road above setting, master control logging modle 2 shows failure alarm signals by Operation display module 5.
Locomotive voltage acquisition register system 1 specifically comprises on interface is provided with: 3 core power interface X1,10 core signal input interface X2 and 10 core serial communication interface X4(are not shown).Locomotive voltage acquisition register system 1 is by 3 core power interface X1 input locomotive battery feed Un, gather 4 road voltage signals by 10 core signal input interface X2,10 core serial communication interface X4 draw from master control logging modle 2, be the RS485 interface that system reserves, can be used for information such as acquisition time, kilometer post as required.Master control logging modle 2 further comprises USB interface X3, master control logging modle 2 is stored to moveable magnetic disc by USB interface X3 with the voltage log file, carry out statistics and analysis by moveable magnetic disc dump to PC 6 again, can also change the master control logging software by moveable magnetic disc simultaneously.Carry out encryption to prevent unusual program change when changing the master control logging software, can selective dump latest document or all files during file dumping.Locomotive voltage acquisition register system 1 realizes dump voltage log file fast, easily by moveable magnetic disc, can selective dump latest document or all files during file dumping, each voltage acquisition passage is recorded as a file separately, handles the voltage log file by voltage record analysis software again.Voltage record analysis software is by form, graphics mode display voltage value, and the statistics hurdle shows overvoltage number of times, under-voltage number of times etc., provides/the under-voltage query composition display mode that waits.
According to different locomotive storage batteries, power module 3 has 3 kinds of different design plans, and the difference between its 3 kinds of different schemes is that the specified input voltage of power module 3 is respectively DC24V, DC75V and DC110V.The input supply voltage scope of power module 3 further is 0.3U n~1.7U n, U nBe the electrical locomotive power nominal voltage.Different automobile types can be selected different power module 3, and every kind of power module 3 all can reach the input voltage range requirement of 0.3Un~1.7Un.Simultaneously, 1 to 4 tunnel of input conversion isolation module 4 tested voltage input signal is the voltage signal of 0V~180V scope.The scheme that the signal sampling of input conversion isolation module 4 adopts precision resistance dividing potential drop, high precision linear optical coupling device HCNR201 to isolate.Power module output has 4 the tunnel, is respectively: DC ± 15V to conversion isolation module 4 power, DC+12V to the self check of voltage acquisition recording channel and the relay of conversion isolation module 4 power, DC+5V power supply and DC+12V to master control logging modle 2 power, DC+24V powers to buzzer phone.Power module 3 is by power interface X1 input locomotive battery feed Un, through power module 3 conversions, output direct current+5V, direct current+12V are 2 power supplies of master control logging modle, output direct current ± 15V provides voltage acquisition passage self check voltage for conversion isolation module 4 power supplies, output direct current+12V for conversion isolation module 4.According to the selected power module 3 of concrete cab signal, power module 3 is divided into 3 kinds according to specified input voltage DC24V, DC75V, DC110V, and every kind of power module 3 all can reach the input voltage range requirement of 0.3Un~1.7Un.Simultaneously, power module 3 designs have the protection of input overvoltage/undervoltage, input short-circuit protection, anti-reverse protection, protecting against shock protection, 5V output over-voltage protection, to guarantee the stable operation of power supply.
The voltage analog signal of 4 road 0V~3.3V after conversion isolation module 4 transmitting and converting, the isolation is to master control logging modle 2.The current voltage, the maximum voltage of this operation, the minimum voltage that show this 4 road voltage at the liquid crystal display interface of Operation display module 5 respectively, and with the passage of red circle sign voltage range overshoot value.A certain road voltage in 1 to 4 tunnel tested voltage input signal exceeds and starts buzzer phone after the scope of 0.8U~1.15U and report to the police, background colour with the passage name on Operation display module 5 interfaces changes the caution look into the sign abnormal passage simultaneously, stop to report to the police by " affirmation " button during warning, wherein, U is the normal voltage value.
When 1 entrucking of locomotive voltage acquisition register system is debugged, configure the unlatching of tested voltage input signal sampling channel or close, and the normal voltage value U of sampling channel is opened in setting, when not setting the normal voltage value, begin the average voltage of back in the setting-up time as the normal voltage value with voltage acquisition.As a kind of typical embodiment in the present embodiment, the collection voltage of the tested voltage input signal 1 to 4 tunnel all just often, master control logging modle 2 is once gathered voltage every the 1s record, once gather voltage to exceeding the acquisition channel of gathering voltage range every the 20ms record, when gathering voltage when the 20ms variation surpasses 5%, once gather voltage every the 20ms record.Locomotive voltage acquisition register system 1 of the present invention carries 512MByte FLASH and 64MByte RAM, possesses continuous 100 hours data acquiring and recording ability, can be more than the continuous record 100h under the situation of the whole overshoot scopes of 4 road voltages.Wherein, voltage file storage 512MByte, under all unusual situation of 4 road voltages according to every 20ms storage primary voltage information, each information of voltage takies 2Byte, promptly each second 4 * 2 * 50=400Byte, 1440000Byte per hour, be 1.373MByte, according to 40% other information calculations, per hour take storage space 1.923MByte, 266 hours information of voltage can be stored in the storage control space of 512MB.
Power module 3 outputs one road DC+12V is often ported to 24 passage relays changing isolation module 4, and tested voltage input signal links to each other with the normally closed port of relay.When locomotive voltage acquisition register system 1 is carried out self check, master control logging modle 2 output self-checking command turn-on relays, conversion isolation module 4 inserts self check normal voltage direct current+12V, and the collection voltage of master control logging modle 2 is state working properly in the error limit that allows.
Operation display module 5 adopts vehicle-mounted display interface, and vehicle-mounted display interface further adopts vehicle-mounted liquid crystal display interface, by the normal voltage value of vehicle-mounted liquid crystal display interface setting time, each tested voltage in road.During locomotive voltage acquisition register system normal operation, vehicle-mounted liquid crystal display interface display comprises the current voltage of system time, 4 road tested voltages, the maximum voltage of this operation, the information of minimum voltage.Master control logging modle 2 comprises clock chip, and clock chip further adopts real-time timepiece chip M41ST85W.When 1 Installation and Debugging of locomotive voltage acquisition register system, in the vehicle-mounted liquid crystal display interface manual initialization system time.Locomotive voltage acquisition register system 1 adopts 5.7 cun Liquid Crystal Display (LCD)s, and master control logging modle 2 is by the Liquid Crystal Display (LCD) of LVDS interface control operation display module 5.Locomotive voltage acquisition register system 1 has " RUN " and " setting " two working interfaces, can show " current voltage ", " minimum voltage ", " maximum voltage " of 4 road voltages when runnable interface normally moves in system simultaneously.Setting the interface can be to the system time of locomotive voltage acquisition register system 1, open or close a certain voltage acquisition passage, set the normal voltage of each voltage channel (during locomotive voltage acquisition register system 1 entrucking debugging, configure the On/Off of 4 road voltage sample passages, and set the normal voltage value U of open channel; When not setting normal voltage, in locomotive voltage acquisition register system 1 normal operation after 2 minutes, the average voltage in 1 minute of sampling is as the normal voltage of voltage channel), parameter is in case set can long preservation.
Operation display module 5 also further comprises action button.Locomotive voltage acquisition register system 1 has " making progress ", " downwards ", " forward ", " backward ", " affirmation " 5 action buttons, and five buttons are " ten " font arranges, simple, convenient.Operation display module 5 is finished analyzing logic control, FLASH control and keyboard input control by a slice fpga chip.Processor chips SPC5200 by master control logging modle 2 is interface with the pci bus controller, link to each other the data of pci bus data, address and local bus, address sharing by the SN65LVDS84AQ-Q1 chip for driving with the MB86296S of the Liquid Crystal Display (LCD) printer Fujisu of Operation display module 5.
Locomotive voltage acquisition register system 1 realizes dump voltage file and replacing master control logging software fast, easily by the moveable magnetic disc that comprises USB flash disk.Locomotive voltage acquisition register system 1 is according to the selected power module 3 of locomotive storage batteries, in the wide power input voltage range of 0.3Un~1.7Un, can keep normal operation, when power module 3 outages, power module 3 needs to work on 40ms, record is each channel voltage once, and this function is achieved through the following technical solutions.Power module 3 produces " outage early warning " interrupt signal, and exports master control logging modle 2 to, " outage early warning " signal output+5V voltage signal when supply regular power.When locomotive voltage acquisition register system 1 input power source abnormality or when closing; be changed to 0V in " outage early warning " 5ms; other output voltages of power module 3 continue output 40ms, finish gatherer process to guarantee locomotive voltage acquisition register system 1, and storage primary voltage signal and other key messages.
The master control logging modle 2 of locomotive voltage acquisition register system 1 adopts the Power PC high-performance processor SPC5200 of Freescale, realizes fast recording, the dump of data.Locomotive voltage acquisition register system 1 carries 512MByte FLASH and 64MByte RAM, can continuous record under the extreme case of the whole overshoot scopes of 4 road voltages 100 hours.The Liquid Crystal Display (LCD) of Operation display module 5 adopts the vehicle-mounted picture processing chip MB86296S of printer Fujisu to carry out the display interface graphic plotting, by the TFT-LCD colour liquid crystal display device of the external LED-backlit of LVDS interface.The processor chips SPC5200 of master control logging modle 2 has abundant external interface, the specific embodiment of the invention is circumscribed USB, RS485 two-way external communication circuit also, and the external A/D change-over circuit of the SPI interface that utilizes SPC5200B, can finish the digitalisation input of outside tested voltage.Simultaneously, the present invention utilizes I 2The external real time clock circuit of C bus interface is for system provides high precision clock.
The present invention can show for the voltage of various 0V~180V on the locomotive in good time, record, Ground analysis provide solution, reports to the police when the electric voltage exception of a certain road of locomotive in good time, helps the crew member and in time finds fault.Can adopt moveable magnetic disc dump voltage log file, and can add up, analyze by voltage record analysis software.By high precision record to input voltage signal, and the high speed dump of voltage log file, make it possible to carry out statistical analysis in the face of the voltage log file, can grasp the service condition of equipment on the locomotive, help in time finding and solving the problem of power supply or voltage signal aspect on ground.The present invention can be under the wide region of electrical locomotive power voltage 0.3Un~1.7Un normal operation, can under the power supply voltage of wide region, realize voltage stabilizing output, and realize the voltage transitions and the isolation of wide-voltage range.Tested voltage signal takes place when unusual, can realize sound auto alarm, faulty channel sign.The present invention is unusual suddenly or when closing at power module 3, the early warning that can realize cutting off the power supply, power supply output time-delay, the unusual suddenly or recording voltage value again when closing at power module 3, reliability height.
Conversion isolation module 4 in the specific embodiment of the invention technical scheme can also use performance-oriented Hall voltage sensor to substitute and realize.Simultaneously, master control logging modle 2 also can adopt other embedded system schemes to realize.The various chip models of describing in the specific embodiment also can adopt other similar devices to substitute, and the telltale of Operation display module 5 also can adopt the read-out of other various different sizes.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art, under the situation that does not break away from spirit of the present invention and technical scheme, all can utilize the method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, be equal to replacements, equivalence changes and modify, all still belong in the scope that technical solution of the present invention protects.

Claims (12)

1. locomotive voltage acquisition register system, it is characterized in that, described locomotive voltage acquisition register system comprises: master control logging modle (2), power module (3), conversion isolation module (4) and Operation display module (5), described power module (3) be input as electrical locomotive power, described power module (3) is that described master control logging modle (2) and conversion isolation module (4) provide power supply, described conversion isolation module (4) is sampled to 1 to 4 tunnel tested voltage input signal, and export described master control logging modle (2) to after tested voltage input signal isolated conversion, when the normal range of the tested voltage input signal in arbitrary road above setting, described master control logging modle (2) shows failure alarm signal by described Operation display module (5).
2. a kind of locomotive voltage acquisition register system according to claim 1, it is characterized in that: described master control logging modle (2) comprises USB interface (X3), described master control logging modle (2) is stored to moveable magnetic disc by USB interface (X3) with the voltage log file, carries out statistics and analysis by described moveable magnetic disc dump to PC (6) again.
3. a kind of locomotive voltage acquisition register system according to claim 1 and 2, it is characterized in that: the input supply voltage scope of described power module (3) is 0.3U n~1.7U n, U nBe the electrical locomotive power nominal voltage.
4. a kind of locomotive voltage acquisition register system according to claim 3, it is characterized in that: described 1 to 4 tunnel tested voltage input signal is the voltage signal of 0V~180V scope, described conversion isolation module (4) is to tested voltage input signal transmitting and converting with after isolating, and the voltage analog signal of output 0V~3.3V is to described master control logging modle (2).
5. according to the described a kind of locomotive voltage acquisition register system of arbitrary claim in the claim 1,2,4, it is characterized in that: described power module (3) is by power interface (X1) input locomotive battery feed Un, through described power module (3) conversion, output direct current+5V, direct current+12V are described master control logging modle (2) power supply, output direct current ± 15V is described conversion isolation module (4) power supply, and output direct current+12V is that described conversion isolation module (4) provides voltage acquisition passage self check voltage.
6. a kind of locomotive voltage acquisition register system according to claim 5, it is characterized in that: a certain road voltage in described 1 to 4 tunnel tested voltage input signal exceeds and starts buzzer phone after the scope of 0.8U~1.15U and report to the police, wherein, U is the normal voltage value; Background colour with the passage name on described Operation display module (5) interface changes the caution look into the sign abnormal passage simultaneously, stops to report to the police by " affirmation " button during warning.
7. according to the described a kind of locomotive voltage acquisition register system of arbitrary claim in the claim 1,2,4,6, it is characterized in that: when described locomotive voltage acquisition register system (1) entrucking is debugged, configure the unlatching of tested voltage input signal sampling channel or close, and the normal voltage value (U) of sampling channel is opened in setting, when not setting the normal voltage value, begin the average voltage of back in the setting-up time as the normal voltage value with voltage acquisition.
8. a kind of locomotive voltage acquisition register system according to claim 7, it is characterized in that: described power module (3) output one road direct current+12V is to the multi-channel relay normally open port of described conversion isolation module (4), tested voltage input signal links to each other with the normally closed port of described relay, when described locomotive voltage acquisition register system self check, the described multi-channel relay of described master control logging modle (2) output self-checking command conducting, described conversion isolation module (4) inserts the self check voltage of direct current+12V, and the collection voltage of described master control logging modle (2) is state working properly in the error limit that allows.
9. according to claim 1,2,4, the described a kind of locomotive voltage acquisition register system of arbitrary claim in 6, it is characterized in that: the collection voltage of the tested voltage input signal described 1 to 4 tunnel all just often, described master control logging modle (2) serves as that voltage once gathered in record at interval with first setting-up time, serves as that voltage once gathered in record at interval to exceeding the acquisition channel of gathering voltage range with second setting-up time less than described first setting-up time, when gathering voltage when the 3rd setting-up time changes above the setting amplitude, serve as that voltage once gathered in record at interval with setting-up time four less than described first setting-up time.
10. a kind of locomotive voltage acquisition register system according to claim 9, it is characterized in that: the collection voltage of the tested voltage input signal described 1 to 4 tunnel all just often, described master control logging modle (2) is that voltage once gathered in record at interval with 1s, to exceeding the acquisition channel of gathering voltage range is that voltage once gathered in record at interval with 20ms, when gathering voltage when the 20ms variation surpasses 5%, be that voltage once gathered in record at interval with 20ms.
11. according to the described a kind of locomotive voltage acquisition register system of arbitrary claim in the claim 1,2,4,6,8,10, it is characterized in that: described Operation display module (5) adopts vehicle-mounted display interface, by the normal voltage value of described vehicle-mounted display interface setting-up time, each tested voltage in road; During described locomotive voltage acquisition register system normal operation, vehicle-mounted display interface shows and comprises the current voltage of system time, 4 road tested voltages, the maximum voltage of this operation, the information of minimum voltage; Described master control logging modle (2) comprises clock chip, when described locomotive voltage acquisition register system Installation and Debugging, in the vehicle-mounted display interface manual initialization system time.
12. according to the described a kind of locomotive voltage acquisition register system of arbitrary claim in the claim 1,2,4,6,8,10, it is characterized in that: described power module (3) produces " outage early warning " interrupt signal, and export described master control logging modle (2) to, " outage early warning " signal output normal voltage signal when supply regular power; When described locomotive voltage acquisition register system (1) input power source abnormality or when closing; " outage early warning " is changed to failure voltage signal in setting-up time; other output voltages of described power module (3) continue the output certain hour; guaranteeing that described locomotive voltage acquisition register system (1) finishes gatherer process, and storage primary voltage signal and other key messages.
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CN108394530A (en) * 2018-03-23 2018-08-14 无锡市海鹰加科海洋技术有限责任公司 Drauht detecting system
CN108761185A (en) * 2018-05-23 2018-11-06 郑州铁路职业技术学院 A kind of locomotive multi-point voltage monitoring method and device based on virtual instrument
CN113625351A (en) * 2021-08-17 2021-11-09 上海亨临光电科技有限公司 Method for feeding back voltage value of detector channel
CN113848447A (en) * 2021-09-06 2021-12-28 深圳市长龙铁路电子工程有限公司 Signal waveform recording and analyzing method, device, system and storage medium
CN114019358A (en) * 2021-10-19 2022-02-08 杭州行至云起科技有限公司 Door handle state detection device and method

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CN114019358A (en) * 2021-10-19 2022-02-08 杭州行至云起科技有限公司 Door handle state detection device and method

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