CN207472998U - A kind of railway locomotive electrical equipment detection device - Google Patents

A kind of railway locomotive electrical equipment detection device Download PDF

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Publication number
CN207472998U
CN207472998U CN201721553625.6U CN201721553625U CN207472998U CN 207472998 U CN207472998 U CN 207472998U CN 201721553625 U CN201721553625 U CN 201721553625U CN 207472998 U CN207472998 U CN 207472998U
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test
test specimen
unit
resistance
detection device
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宋云超
李加祺
张�浩
殷勤
邱绍峰
郑青松
李经伟
左玉东
冯帅
熊盛
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

The utility model discloses a kind of railway locomotive electrical equipment detection device, including test interface, parameter set unit, control unit, signal gathering unit, regulated power supply, resistance test unit, gas circuit unit and host computer;Test interface is for access by test specimen;Parameter set unit is used for being configured by test specimen parameter, signal type and range, test point;Control unit is used to implement power switch control, to carrying out overcurrent, overvoltage, overload protection and instruction function by test specimen;Signal gathering unit is for collection site on-off model, analog signals;Regulated power supply tests required power of alterating and direct current for providing by test specimen;Resistance test unit is for test by the contact resistance of test specimen, coil resistance and insulation resistance;Gas circuit unit tests required air source for providing by test specimen;Detection device provided by the utility model, to being compatible with by test specimen, and the characteristics of can realize one-stop detection to railway locomotive electrical equipment, detection efficiency is greatly improved.

Description

A kind of railway locomotive electrical equipment detection device
Technical field
The utility model railway locomotive electrical equipment detection technique field, it is electrical more particularly, to a kind of railway locomotive Assembly detection apparatus.
Background technology
Chinese Railway syntonic type locomotive proportion increases year by year.So far, it is mainly harmonious high-power locomotive to increase quantity newly, For harmonious locomotive owning amount more than 6000, these locomotives have delivered 12 Railway Bureaus, are used by 31 locomotive depots.
With deepening continuously for Railway Reform and railway speed increase, the maintenance cycle of locomotive electric cad system equipment is shorter, frequency of maintenance Higher, the use state of the various electrical equipments of locomotive play an important role to motorcycle safety traveling.Library is overhauled by nearly all locomotive depot It is provided with the repair testing equipment of various electrical equipments.These repair testing equipment types are various but function is single, arrange and divide It dissipates, and every equipment will be operated individually, not only take up a large area but also the workload of maintenance activity is heavy, often one What locomotive got off is needed, by taxonomic revision, corresponding testing stand to be transported to respectively, then by the operation of each testing stand by test specimen Personnel are tested respectively, and work is numerous and diverse;On the other hand, the testing equipment interface between software and hardware immobilization in maintenance library at present, only Suitable for currently have locomotive electrical equipment detection, to new interface, new signal type it is incompatible by test specimen;These Problem all directly or indirectly affects the working efficiency of maintenance.
With the fast development of Chinese Railway, railway mileage and high-power locomotive quantity are continuously increased, and maintenance library is forced to need Working efficiency is continuously improved, upkeep operation interval time constantly reduces.Therefore, the overhaul efficiency for raising locomotive electric cad system equipment, Ensure locomotive servicing quality, development high efficient and reliable, intelligence, multiduty locomotive electric cad system equipment maintenance device are imperative.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of railway locomotive electrical equipment Detection device, its object is to solve the problems, such as that existing locomotive electric cad system equipment maintenance device detection efficiency is low.
To achieve the above object, according to the one side of the utility model, a kind of railway locomotive electrical equipment inspection is provided Device is surveyed, including intelligentized test interface, parameter set unit, control unit, signal gathering unit, regulated power supply, resistance Test cell, gas circuit unit and host computer;
Control unit, signal gathering unit, resistance test unit are connected with host computer;Control unit and gas circuit unit, Regulated power supply is connected;Signal gathering unit is connected with resistance test unit;
Wherein, intelligentized test interface include electric interfaces and air-path interface, for access railway locomotive by test specimen; Adjustable pressure is provided to gas circuit, adjustable dc voltage is provided to circuit;
Parameter set unit is used as user interface, by parameter set unit to by test specimen parameter, signal type and range It is configured, to being configured by the test point of test specimen, and can show standard value, measured value for different model, calculates basic miss Difference, zero deviation parameter;
Control unit is used to implement power switch control, to carrying out overcurrent, overvoltage, overload protection and power supply by test specimen Instruction, indicating fault, operation instruction;
Signal gathering unit for collection site by test specimen on-off model, analog signals, and by collected simulation Signal carries out analog-to-digital conversion and the digital signal to collecting on-off model and being converted to carries out Phototube Coupling processing;
Regulated power supply tests required power of alterating and direct current for providing by test specimen;
Resistance test unit is for test by the contact resistance of test specimen, coil resistance and insulation resistance;
Gas circuit unit tests required air source for providing by test specimen;
Host computer is used for the switching value obtained according to signal gathering unit and analog signals whether just to judge by test specimen Often.
Preferably, above-mentioned railway locomotive electrical equipment detection device, intelligentized test interface have fault tolerant mechanism can Wrong damage is avoided by test specimen;
Specifically, intelligentized test interface includes multiple by test specimen interface, and respectively being used by test specimen interface has different insert The connector of needle, so as to avoid being damaged by test specimen by test specimen wrong.
Preferably, above-mentioned railway locomotive electrical equipment detection device, signal gathering unit include switch acquisition card, mould Analog quantity capture card and photoelectric isolation module;
The input terminal of analog acquisition card, the input terminal of switch acquisition card are used to connection by test specimen, Phototube Coupling mould The first input end of block is connected with the output terminal of switch acquisition card, second end inputs and the output terminal phase of analog acquisition card Even, output terminal is connected with host computer.
Preferably, above-mentioned railway locomotive electrical equipment detection device, resistance test unit include low resistance arranged side by side and survey Die trial block and megger test module;Wherein, low resistance test module is electric by the contact resistance of test specimen or coil for testing Resistance;Megger test module is for test by the insulation resistance of test specimen.
Preferably, above-mentioned railway locomotive electrical equipment detection device, gas circuit unit include booster pump, control solenoid valve, Pressure sensor;
Booster pump is used for air pressure adjustment in by the range needed for test specimen;Control solenoid valve is used to that solenoid valve to be controlled to be used for The break-make of gas circuit is controlled, so as to be pressurizeed by test specimen, convert gas circuit;The pressure acquired again by host computer, judges to be tested Whether whether part revealed, be normal by test specimen individual channel;Pressure sensor is used for air pressure is converted into host computer and can acquired 4 ~20mA analog signals, so as to which control solenoid valve be coordinated to carry out by the leakage of test specimen, the experiment of pressurize.
Preferably, above-mentioned railway locomotive electrical equipment detection device further includes the console for placing host computer and places The side cabinet of regulated power supply and gas circuit unit.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art, Row advantageous effect:
(1) railway locomotive electrical equipment detection device provided by the utility model, due to can according to test object by using Family interface input test parameter is realized to all by parameters such as test specimen measurement range, output signal type, output signal ranges Editor can be tested to parameters such as type, the ranges of the input and output of each unit parameter into edlin and preservation to same model Part can directly invoke when being detected;And pass through intelligent interface and parameter set unit realization to the compatibility of new test specimen, only need Modification can cope with new test specimen by test specimen parameter and testing equipment parameter and test, without additionally carrying out equipment development, to quilt Test specimen is compatible with, and has extremely strong versatility;
(2) railway locomotive electrical equipment detection device provided by the utility model, functional integration is high, and it is more to realize a machine With;It can be by existing railway locomotive electrical equipment detection process by " taxonomic revision is transported to accordingly respectively using the check device Testing stand, be detected respectively " be reduced to " unified transport, the unified detection in separate unit detection device ", eliminate that " classification is whole Reason " process, " unified transport " will be adjusted to " respectively transport ", realize the one-stop inspection to railway locomotive electrical equipment It surveys, greatly improves detection efficiency;
(3) railway locomotive electrical equipment detection device provided by the utility model, due to being carried out to existing detection device It integrates, it is also small a little with distribution concentration, floor space.
Description of the drawings
Fig. 1 is the system signal of one embodiment of railway locomotive electrical equipment detection device provided by the utility model Figure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
The railway locomotive electrical equipment detection device that embodiment provides, using industrial control computer as host computer, including Intelligentized test interface, parameter set unit, control unit, signal gathering unit, regulated power supply, resistance test unit, gas Road unit;Further include the console for placing industrial control computer and the side cabinet for placing regulated power supply and gas circuit unit;
Wherein, intelligentized test interface include electric interfaces and air-path interface, can detect driver controller, contactor, Solenoid valve, windshield wiper, locomotive list delay the urgent relay of control loop by test specimen;And with fault tolerant mechanism, wrong can be avoided to damage By test specimen;Adjustable pressure environment is provided for gas circuit, adjustable dc voltage environment is provided for circuit;
Parameter set unit is as user interface, for being configured by test specimen parameter, signal type and range, to not With being configured by the test point of test specimen, and can show standard value, measured value for model, elementary error, zero deviation etc. are calculated Parameter, and data preservation can be carried out, it prints.
Wherein, measurement range, output signal type, output signal range, measurement range are included by test specimen parameter;It is set Parameter can preserve, when being detected again to same model by test specimen, the parameter information of storage can be called automatically, for It is novel by test specimen, then need to only change by test specimen parameter and testing equipment parameter.
Control unit includes contactor, relay, air switch, button, indicator light, is used to implement switch motion, overcurrent, Overvoltage, overload protection function and power supply instruction, indicating fault, operation instruction function.
Signal gathering unit includes switch acquisition card, analog acquisition card and photoelectric isolation module;Switch acquisition card For the output and acquisition of live on-off model, industrial control computer and collected scene are made using photoelectric isolation module It is completely isolated between signal, improve antijamming capability;Analog acquisition card acquires analog signals and believes collected simulation Number carry out analog-to-digital conversion, generate the accessible digital signal of computer;The digital signal of generation is equally via photoelectric isolation module Carry out isolation processing;It is used suitable for industry spot, has stronger inhibiting effect to extraneous interference, there is high synergy, low noise Various sensors can be directly coupled in the characteristics of sound, so as to greatly improve the antijamming capability of equipment, enable detection device more Accurately detect the various performance characteristics by test specimen;The switching value and analog signals acquired, passes through computer digital animation System processing, required control signal is provided for detection device.
Regulated power supply tests required power of alterating and direct current for providing by test specimen;In embodiment, regulated power supply has had Kind protection circuit has the characteristics that precision is high, ripple is small, stability is high, to promote measuring accuracy.
In embodiment, signal gathering unit includes two pieces of switch cards K1-842G, K2-842G, three pieces of analog acquisition cards K-810A1#, K-810A2#, K-810A2#, two pieces of On-off signal output card K1-840, K2-840 and one piece of analog output Block K-824;By the switching value of these board collection sites, analog signals and send out switching value, analog signals;
The effect of analog acquisition card K-810A1# and K-810A2# are to acquire the driver controller contact of railway locomotive The signal of electric current, since contact has a resistance value of itself, the signal of each pair of contact is converted into voltage signal and is input to analog quantity adopting Truck, and then the measured resistance value of contact is calculated, then close by the logic between contact by the calculating of program by host computer System, procedure judges go out the resistance value of operation state of a control, gear and potentiometer that driver controls;
Analog acquisition card K-810A3# for the voltage of collection site, electric current and pressure 4~20mA analog signals, Send host computer to, host computer procedure by handling these analog signals, come record and show corresponding voltage, electric current and Pressure signal;
Switching value board K1-842G, K2-842G are spare board;On-off signal output card K1-840, K2-840 are used for On-off model, the output on-off model of collection site;Collection site by the signal of test specimen switching value contact for judge and Control the action logic of host computer procedure;Output on-off model is used to control the logical action of live electric elements, to complete Detection experiment;
Analog output unit K-824 is used to export adjustable analog quantity voltage signal with automatic control switch power supply (G3) size of output voltage, so as to automatically control the adjustment of 0~150V voltages.
With reference to Fig. 1, resistance test unit includes low resistance test module and megger test module, low resistance test mould Block is had the wide resistance test range of 1u Ω~2M Ω for testing by the contact resistance or coil resistance of test specimen;Measuring speed It is adjustable, it is at a slow speed 2.5 times/second, is quickly 10 times/second;Basic accuracy is ± 0.05%+2 words;With resistance value/percentage two Kind display mode;With RS232, RS485, USB, Handler multiple interfaces;
Megger test module has calibration for testing by the insulation resistance of test specimen, energy real-time testing resistance value Function can match RS232, RS485, USB interface, can fast and accurately measure insulation against ground resistance, can improve test device Precision.Low resistance test module, megger test module in embodiment are respectively adopted what Nanjing Chang Sheng companies were produced Intelligent DC low resistance tester and program-controlled Insulation Resistance Tester;Host computer and intelligent DC low resistance tester, it is program-controlled absolutely The communication modes of edge resistance meter use serial port, make message transmission rate faster.
Gas circuit unit tests required air source for providing by test specimen;Gas circuit unit include booster pump, control solenoid valve, Pressure sensor;The pressure for exporting air source can be finely adjusted, accuracy is high, stable and reliable for performance.
The detectable railway locomotive electrical equipment of above-mentioned detection device that embodiment provides includes driver controller, contact Device, solenoid valve, windshield wiper, locomotive list delay the urgent relay of control loop;The detection device that embodiment provides, detection driver's control The logical relation of device directional lever and traction/brake handle;The loop resistance of contact, loop resistance detection range 0 can be detected ~1000m Ω, test error are not more than ± 1m Ω;Can detect potentiometer output level voltage, test error no more than ± 0.1V;It can detect and show the closure or off-state of key switch.Detection device examines driver controller by test specimen Result of the test meets main performance requirements above, and result of the test meets maintenance craft requirement, detects function and the examination of experimental rig Maintenance craft requirement should be met by testing precision.
Pick-up voltage, operating current, operating current, release current, pickup time, coil resistance are carried out to contactor and is touched The detection of point resistance, insulation against ground resistance;The measurement error for detecting the pick-up voltage of contactor is not more than ± 0.1V;Detection contact The measurement error of the release voltage of device is not more than ± 0.1V;The measurement error for detecting the operating current of contactor is not more than ± 1mA; The measurement error for detecting the release current of contactor is not more than ± 1mA;The test error for detecting the pickup time of contactor is little In ± 1ms;The test error for detecting the release time of contactor is not more than ± 1ms;The inspection of detection coil resistance and contact resistance Ranging from 0~20k Ω are surveyed, accuracy of detection is not more than ± 0.01m Ω for 0.1% test error;It is exhausted over the ground test equipment to be detected Edge resistance, test scope are not more than ± 0.01M Ω.
The detection of solenoid valve function is included:Solenoid valve pick-up voltage is detected, measurement error is not more than ± 0.1V;Detection electricity Magnet valve release voltage, measurement error are not more than ± 0.1V;The import air-tightness of solenoid valve is detected, measurement error is not more than 5KPa; The outlet air-tightness of solenoid valve is detected, measurement error is not more than 5KPa.
The Function detection of windshield wiper is included:The operation voltage of electric window wiper is detected, detection error is no more than ± 0.1V, the action air pressure for starting windshield wiper is detected, detection error is no more than ± 1kPa, the starting to Pneumatic window cleaner Air pressure is detected, and detection error is no more than ± 1kPa, the air-tightness of Pneumatic window cleaner is detected, and detection error is no more than ± 1kPa, the operating frequency of windshield wiper is detected, the difference of highest and low-limit frequency meets windshield wiper test requirements document.
The Function detection for delaying the urgent relay of control loop to locomotive list includes:The pick-up voltage of urgent relay is detected, Measurement error is not more than ± 0.1V;The release voltage of urgent relay is detected, measurement error is not more than ± 0.1V;Detection promptly after The pickup time of electric appliance, measurement error are not more than ± 1ms;Detect the release time of urgent relay, measurement error no more than ± 1ms;The coil resistance of urgent relay is detected, measurement error is not more than ± 1m Ω;The contact resistance of urgent relay is detected, is surveyed It tries error and is not more than ± 1m Ω;The insulation resistance of urgent relay is detected, test error is not more than ± 0.01M Ω.
As the universal detection device of railway locomotive electrical equipment, a tractor serves several purposes is really realized, and it is strong effectively to reduce labour Degree improves working efficiency.Actual test show actual test show operating personnel is identical and smaller workload in the case of, This detection device working efficiency can improve more than 50% than traditional experiment platform.
In the case where function is identical, the Railway Electric assembly detection apparatus floor space that embodiment provides is traditional experiment The 1/3~1/4 of platform floor space, traditional experiment platform size:Wide 1500mm × high 1270mm × depth 800mm;This detection device ruler Very little is width 3000mm × high 1270mm × depth 800mm, and the area for only taking up 2 traditional experiment platforms can be achieved with 6~8 tradition examinations The function of platform is tested, there is the advantage for saving space.
On the other hand, it can realize and measured by test specimen all according to test object by user interface input test parameter The editor of the parameters such as range, output signal type, output signal range, type, amount that can be to the input and output of each unit parameter The parameters such as journey can be directly invoked into edlin and preservation when being detected to same model by test specimen;And pass through intelligence and connect Mouth and parameter set unit realize the compatibility to new test specimen, and need to only change can be coped with by test specimen parameter and testing equipment parameter New test specimen test, without additionally carrying out equipment development.
Another aspect due to carrying out anti-interference process using isolation module, greatly improves electrical equipment detection device Antijamming capability.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not To limit the utility model, any modification made within the spirit and principles of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of railway locomotive electrical equipment detection device, which is characterized in that including intelligentized test interface, parameter setting list Member, control unit, signal gathering unit, regulated power supply, resistance test unit, gas circuit unit and host computer;
Described control unit, signal gathering unit, resistance test unit are connected with host computer;Control unit and gas circuit unit, Regulated power supply is connected;Signal gathering unit is connected with resistance test unit;
The intelligentized test interface include electric interfaces and air-path interface, for access railway locomotive by test specimen;
The parameter set unit is used as user interface, by parameter set unit to by test specimen parameter, signal type and range It is configured, to being configured by the test point of test specimen, and can show standard value, measured value for different model, calculates basic miss Difference, zero deviation parameter.
2. railway locomotive electrical equipment detection device as described in claim 1, which is characterized in that the intelligentized test connects Mouthful include multiple by test specimen interface, the connector with different contact pins is respectively used by test specimen interface, is connect so as to avoid by test specimen It is wrong and damage by test specimen.
3. railway locomotive electrical equipment detection device as claimed in claim 1 or 2, which is characterized in that the signal acquisition list Member includes analog acquisition card, switch acquisition card and photoelectric isolation module;
The input terminal of the analog acquisition card, the input terminal of switch acquisition card are used to connection by test specimen, the photoelectricity every First input end from module is connected with the output terminal of switch acquisition card, second end inputs and the output terminal of analog acquisition card It is connected, output terminal is connected with host computer.
4. railway locomotive electrical equipment detection device as claimed in claim 1 or 2, which is characterized in that the resistance test list Member includes low resistance test module and megger test module arranged side by side;The low resistance test module is for test by test specimen Contact resistance or coil resistance;Megger test module is for test by the insulation resistance of test specimen.
5. railway locomotive electrical equipment detection device as claimed in claim 1 or 2, which is characterized in that the gas circuit unit packet Include booster pump arranged side by side, control solenoid valve and pressure sensor;
The booster pump is used for air pressure adjustment in by the range needed for test specimen;Control solenoid valve is used to that solenoid valve to be controlled to be used for The break-make of gas circuit is controlled, the pressure sensor is used for the analog signals that air pressure is converted into host computer and can acquired.
6. railway locomotive electrical equipment detection device as claimed in claim 1 or 2, which is characterized in that it is upper to further include placement The console of machine and the side cabinet for placing regulated power supply and gas circuit unit.
CN201721553625.6U 2017-11-20 2017-11-20 A kind of railway locomotive electrical equipment detection device Active CN207472998U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109062162A (en) * 2018-08-24 2018-12-21 中车齐齐哈尔车辆有限公司 The control method and system of vehicle
CN109857093A (en) * 2019-03-08 2019-06-07 唐山百川智能机器股份有限公司 A kind of detection device and method of driver controller
CN110926797A (en) * 2019-12-10 2020-03-27 航天新长征大道科技有限公司 Compact peripheral interconnection bus board card

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109062162A (en) * 2018-08-24 2018-12-21 中车齐齐哈尔车辆有限公司 The control method and system of vehicle
CN109857093A (en) * 2019-03-08 2019-06-07 唐山百川智能机器股份有限公司 A kind of detection device and method of driver controller
CN110926797A (en) * 2019-12-10 2020-03-27 航天新长征大道科技有限公司 Compact peripheral interconnection bus board card
CN110926797B (en) * 2019-12-10 2021-07-06 航天新长征大道科技有限公司 Compact peripheral interconnection bus board card

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