CN207317830U - A kind of rail vehicles instrument detection device - Google Patents
A kind of rail vehicles instrument detection device Download PDFInfo
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- CN207317830U CN207317830U CN201721332761.2U CN201721332761U CN207317830U CN 207317830 U CN207317830 U CN 207317830U CN 201721332761 U CN201721332761 U CN 201721332761U CN 207317830 U CN207317830 U CN 207317830U
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Abstract
The utility model discloses a kind of rail vehicles instrument detection device, including host computer, and pressure gauge and pressure sensor detection unit, temperature sensor detection unit, velocity sensor detection unit, electric signal instrument detection unit and the parameter set unit being connected by RS484 universal serial bus with host computer；Pressure gauge and pressure sensor detection unit are used to be detected locomotive list crosspointer pressure gauge and pressure sensor；Temperature sensor detection unit is used to be detected locomotive temperature sensor；Velocity sensor detection unit is used to be detected locomotive speed sensor；Electric signal instrument detection unit is used to be detected locomotive network pressure gauge, voltmeter, speedometer type telecommunications instrument；Parameter set unit is as user interface, for being configured by test specimen parameter, signal type and range, to being configured by the test point of test specimen for different model；Universal detection device of the present apparatus as a tractor serves several purposes, can effectively improve rail vehicles instrument detection work efficiency.
Description
Technical field
The utility model belongs to technology of instrument and meter field, is detected more particularly, to a kind of rail vehicles instrument
Device.
Background technology
Chinese Railway syntonic type locomotive owning amount is more than 6000, these locomotives have delivered 12 Railway Bureaus, by 31
Locomotive depot uses.The importance that the various instrument of locomotive, the working of sensor travel motorcycle safety is self-evident, several
All maintenance storehouse (including supplementally take, light maintenance, in repair, overhaul) all configure the testing equipment of various instrument and sensor.These
Testing equipment species is various, and every equipment be required for it is individually operated.The testing equipment in maintenance storehouse all applies to work as at present
The detection to various instrument and sensor in preceding existing locomotive, it is differentiated to interface, signal it is new can not be compatible by test specimen.
Existing rolling stock instrument detection faces following difficulty：
1st, existing detection device arrangement is scattered；It is each to make with the reduction of the gauge sensor quantity for the inspection that needs to get off
The workload that industry personnel are undertaken reduces；If but simply simple reduction operating personnel, and operating personnel can be increased in different examinations
Test between platform and shuttle and operate the workload of different tests platform；
2nd, existing locomotive instrumentation and sensor detection device is big multi-functional single, is needed in being detected by test specimen of 1 locomotive
By procedure below：Taxonomic revision, be transported to corresponding testing stand, tested respectively by the operating personnel of testing stand respectively,
The numerous and diverse and work efficiency that works is relatively low；
3rd, the interface between software and hardware on existing detection device is special purpose interface, to interface, the differentiated new quilt of signal parameter
Test specimen cannot it is compatible, can not detect；It can just be detected, upgrade after must first upgrading to the interface between software and hardware of detection device
Process will influence to detect work efficiency, delay repair schedule；
4th, in detection process, it is necessary to each detecting instrument is communicated with host computer, complete to detect by host computer；
And host computer communication interface is limited, can not realize each detecting instrument and host computer at the same time, non-interfering communication issue.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of rail vehicles instrument
Detection device, its purpose is to provide one kind to have general-purpose interface and Full Featured rail vehicles instrument detection device, by
This solves the problems, such as that existing detection device sets detection efficiency caused by scattered, function is single low.
To achieve the above object, according to the one side of the utility model, there is provided a kind of rail vehicles instrument inspection
Survey device, including pressure gauge and pressure sensor detection unit, temperature sensor detection unit, velocity sensor detection unit,
Electric signal instrument detection unit, parameter set unit and host computer；
Wherein, pressure gauge and pressure sensor detection unit, temperature sensor detection unit, velocity sensor detection list
Member, electric signal instrument detection unit are connected by RS484 universal serial bus with host computer；
Pressure gauge and pressure sensor detection unit are used to be detected locomotive list crosspointer pressure gauge and pressure sensor；
Temperature sensor detection unit is used to be detected locomotive temperature sensor；Velocity sensor detection unit is used for locomotive speed
Degree sensor is detected；Electric signal instrument detection unit is used to carry out net pressure table, voltmeter, speedometer type telecommunications instrument
Detection；
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 for model；Wherein, measurement range, output signal type, output are included by test specimen parameter
Range of signal, measurement range.
Preferably, above-mentioned rail vehicles instrument detection device, its pressure gauge and pressure sensor detection unit bag
Source containing electric pneumatic, standard pressure transducer, data input/output module, gas source interface and it is used for and standard pressure transducer
Matched signaling interface；
The pressure source of high stability is provided by electric pneumatic source for testing pressure table；Gathered by standard pressure transducer
The normal pressure signal that is fed back by test specimen under above-mentioned pressure source and by test specimen signal, it is defeated to be sent to data input through signaling interface
Go out module；
Data input/output module carries out data interaction by RS485 universal serial bus and host computer；
Using electric pneumatic source, the pressure source of high stability can be produced without external gas source.
Preferably, above-mentioned rail vehicles instrument detection device, its temperature sensor detection unit include thermostat,
Micro machine rabbling mechanism and temperature polling instrument；By thermostat to provide cold and hot controlled, temperature homogeneous constant environment by test specimen,
Using the method for Resistant heating, compressor cooling, it is aided with the mode that PID adjusts precise control of temperature, by the temperature of thermostat
Stablize in the temperature of setting；To ensure that thermostat temperature is uniform, equipped with micro machine rabbling mechanism；Temperature polling instrument is used to gather
By the temperature of test specimen.
Preferably, above-mentioned rail vehicles instrument detection device, it is permanent that its velocity sensor detection unit includes output
The servomotor of torque, pulse signal acquisition module；The servomotor is used to provide needed for locomotive speed sensor detection
Rotating speed environment, and motor vibrating is caused since Motor torque is small when can effectively avoid the slow-speed of revolution.
Preferably, above-mentioned rail vehicles instrument detection device, its velocity sensor detection unit are used with more
The oscillograph of a signal sampling channel can be carried out at the same time letter as pulse signal acquisition module to all passages of velocity sensor
Number collection, and will not reduce sample rate.
Preferably, above-mentioned rail vehicles instrument detection device, its electric signal instrument detection unit is using multi-functional
Tester realization, exportable high stability, the resistance signal of wide scope, combined-voltage, current signal.
Preferably, above-mentioned rail vehicles instrument detection device, its temperature sensor detection unit include multichannel temperature
Logging collection is spent by test specimen signal, can detect at the same time multiple by test specimen, effectively improves work efficiency.
In general, by the contemplated above technical scheme of the utility model compared with prior art, can obtain down
Row beneficial effect：
(1) rail vehicles instrument detection device provided by the utility model, possesses all rail vehicles of detection
The function of instrument, as the universal detection device of a tractor serves several purposes, can save the work of taxonomic revision, transport be changed into unified respectively
Transport, detection is changed on a detection device unified detection respectively on multiple testing stands；Labor intensity can be effectively reduced, is carried
High workload efficiency；And existing locomotive instrumentation and sensor detection device are big multi-functional single, in being detected by test specimen of locomotive
Need by taxonomic revision, be transported to corresponding testing stand respectively, tested respectively by the operating personnel of testing stand, work is numerous
Miscellaneous and work efficiency is relatively low；
(2) rail vehicles instrument detection device provided by the utility model, can be connect according to test object by user
Mouth input test parameter, is realized to all volumes by parameters such as test specimen measurement range, output signal type, output signal ranges
Volume, can to parameters such as the types of the input and output of testing stand, ranges into edlin, can to by the test point of test specimen into edlin,
Under the control of host computer combine electric signal instrument detection unit realize to resistance, voltage, electric current, rotating speed measurement function, tool
There are resistance, voltage, electric current output function, and adjustable pressure environment is provided, there is provided adjustable thermostatic environment, there is provided adjustable der Geschwindigkeitkreis
Border, can meet the full detection demand of locomotive instrumentation；
(3) rail vehicles instrument detection device provided by the utility model, will be upper by RS485 fieldbus networks
Position machine links together with numerous detecting instruments, forms using host computer as main equipment, other detecting instruments are the principal and subordinate of slave device
Control model；Since communication interface with pc is limited, communication expansion card and communication need not be then added using RS485 fieldbus
Cable, and since all detecting instruments configure RS485 communication interfaces, need not increase other equipment can just complete now
The arrangement of field bus network, and RS485 fieldbus networks have higher interference free performance.
Brief description of the drawings
Fig. 1 is pressure gauge and pressure sensor detecting system functional block diagram；
Fig. 2 temperature sensor detecting system functional block diagrams；
Fig. 3 velocity sensor detecting system functional block diagrams；
Fig. 4 electric signal Examination system of instrument functional block diagrams.
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, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict and is mutually combined each other.
The rail vehicles instrument detection device that embodiment provides, including pressure gauge and pressure sensor detection unit,
Temperature sensor detection unit, velocity sensor detection unit, electric signal instrument detection unit, parameter set unit；
Wherein, pressure gauge and pressure sensor detection unit are used for the detection of pressure gauge and pressure sensor；The unit
Principle schematic as shown in Figure 1, including electric pneumatic source, standard pressure transducer, data input/output module, gas source interface with
And for the matched signaling interface of standard pressure transducer；The output signal of standard pressure transducer includes electric current, voltage, electricity
Hinder signal.
Wherein, data input/output module is used to upload the reference pressure value that collects and by test specimen pressure value, and is used for
Issue host computer and pass through the pressure controling signal that RS485 data/address bus is sent, to control electric pneumatic source to make pressure, reach pre-
If pressure value
Electric pneumatic source provides the pressure of high stability for testing pressure table under the action of above-mentioned pressure controling signal
Source；By standard pressure transducer gather pressure sensor fed back under above-mentioned pressure source by test specimen signal；Normal pressure is believed
Number and data input/output module is sent to by test specimen signal；Data input/output module by RS485 universal serial bus with it is upper
Position machine carries out data interaction；
Using electric pneumatic source, and it is aided with wide scope micropressure adjusting valve, accuracy is high, electronic to make pressure, reduce labor intensity,
It is time saving and energy saving, the pressure source of high stability can be produced without external gas source.
It is that the temperature sensor detection unit for the rail vehicles instrument detection device that embodiment provides is former shown in Fig. 2
Schematic diagram, the temperature by host computer by RS485 bus marco thermostats are managed, and it is (permanent to read the actual temperature value in thermostat
Warm groove is equipped with temperature sensors of high precision), host computer is passed by the subject temperature that RS485 buses reading temperature polling instrument is gathered
The real time temperature data of sensor.
It is the velocity sensor detection unit for the rail vehicles instrument detection device that embodiment provides shown in Fig. 3
Principle schematic, changes servomotor rotating speed, since servomotor has by host computer by RS485 bus marcos servo-driver
There is closed loop control function, the reachable ± 1r/min of its rotating speed control accuracy, and maximum speed is up to 3000r/min.Host computer leads to
Cross the real time data of RS485 bus marcos oscillograph collection subject velocity sensor output, including frequency, amplitude, duty cycle, phase
Potential difference.
It is the electric signal instrument detection unit for the rail vehicles instrument detection device that embodiment provides shown in Fig. 4
Principle schematic, exports high stable signal source, according to by test specimen class by host computer by RS485 bus marcos multifunctional check
Type changes output signal type and size；Since multifunctional check output accuracy is high, standard signal need not be set to gather
Equipment；Electric signal instrument detection unit is used to detect the electric signals such as net pressure table, control voltmeter, ammeter, thermometer, speedometer
Instrument.
Parameter set unit as user interface, for by test specimen parameter, the signal type of testing equipment and range into
Row is set, to being configured by the test point of test specimen for different model；Set parameter can preserve, when again to same type
When number being detected by test specimen, the parameter information of storage can be called automatically, for new by test specimen, then need to only be changed and be joined by test specimen
Number and testing equipment parameter；And can show standard value, measured value, calculate elementary error, the parameter such as zero deviation, and can be into
Row data preserve, printing.Wherein, measurement range, output signal type, output signal range, measurement model are included by test specimen parameter
Enclose.
The above-mentioned detection device that embodiment provides can detect following locomotive instrumentation sensor：Speedometer, single crosspointer machinery
Pressure gauge, net pressure table, speedometer, voltmeter, thermometer, temperature sensor, pressure sensor, velocity sensor, as locomotive
The universal detection device of instrument, really realizes a tractor serves several purposes, and effectively reduces labor intensity, improves work efficiency.Actual test
Show, operating personnel is identical and smaller workload in the case of, this detection device work efficiency can be improved than traditional experiment platform
50%.
In the case where function is identical, the rail vehicles instrument detection device floor space that embodiment provides is tradition
The 1/3~1/4 of testing stand floor space, traditional experiment platform size：Wide 1500mm × high 1270mm × depth 800mm；This detection fills
The area that size only takes up 2 traditional experiment platforms for width 3000mm × high 1270mm × depth 800mm is put, can realize 6~8 tradition
The function of testing stand, has 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
Scope, output signal type, the editor of the parameter such as output signal range, can be to the types of the input and output of testing stand, range etc.
Parameter, can be to, into edlin, it is single to combine the detection of electric signal instrument into edlin by the test point of test specimen under the control of host computer
Member realize to resistance, voltage, electric current, rotating speed measurement function, there is resistance, voltage, electric current output function, and provide pressure-adjustable
Force environment, there is provided adjustable thermostatic environment, there is provided adjustable rotating speed environment, can meet the full detection demand of locomotive instrumentation.
Host computer and each detecting instrument are connected to one by another aspect, this detection device by RS485 fieldbus networks
Rise, use using host computer as main equipment, detecting instrument is the collecting and distributing control model of principal and subordinate of slave device；Due to RS485 fieldbus
Network has higher interference free performance, moreover it is possible to mass communication cable is saved, and since all detecting instruments configure
RS485 communication interfaces, therefore other equipment need not be increased with regard to the arrangements of fieldbus networks can be completed.
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 for being made where within the spirit and principles of the present invention, equivalent substitution and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (7)
- A kind of 1. rail vehicles instrument detection device, it is characterised in that including pressure gauge and pressure sensor detection unit, Temperature sensor detection unit, velocity sensor detection unit, electric signal instrument detection unit, parameter set unit and upper Machine；Pressure gauge and the pressure sensor detection unit, temperature sensor detection unit, velocity sensor detection unit, telecommunications Number instrument detection unit is connected by universal serial bus with host computer；Pressure gauge and the pressure sensor detection unit is used to be detected locomotive list crosspointer pressure gauge and pressure sensor； Temperature sensor detection unit is used to be detected locomotive temperature sensor；Velocity sensor detection unit is used for locomotive speed Degree sensor is detected；Electric signal instrument detection unit is used to carry out net pressure table, voltmeter, speedometer type telecommunications instrument Detection；The 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 for model.
- 2. rail vehicles instrument detection device as claimed in claim 1, it is characterised in that the pressure gauge and pressure pass Sensor detection unit include electric pneumatic source, standard pressure transducer, data input/output module, gas source interface and for The matched signaling interface of standard pressure transducer；The electric pneumatic source is used for the pressure source that high stability is provided for testing pressure table；Standard pressure transducer is used to gather The normal pressure signal that is fed back by test specimen under the pressure source and by test specimen signal, it is defeated to be sent to data input through signaling interface Go out module；The data input/output module carries out data interaction by RS485 universal serial bus and the host computer；It is described electronic Pneumatic supply is used to provide pressure source.
- 3. rail vehicles instrument detection device as claimed in claim 1 or 2, it is characterised in that the temperature sensor Detection unit includes thermostat, micro machine rabbling mechanism and temperature polling instrument；The thermostat is used for provide cold and hot controlled, temperature homogeneous constant environment by test specimen；The micro machine rabbling mechanism For ensureing that thermostat temperature is uniform；The temperature polling instrument is used to gather by the temperature of test specimen.
- 4. rail vehicles instrument detection device as claimed in claim 1 or 2, it is characterised in that the velocity sensor Detection unit includes the servomotor of output permanent torque, pulse signal acquisition module；The servomotor is used to provide locomotive speed The rotating speed environment needed for sensor detection is spent, the pulse signal acquisition module is used to gather locomotive speed sensor output to be measured Signal.
- 5. rail vehicles instrument detection device as claimed in claim 1 or 2, it is characterised in that the velocity sensor Detection unit uses the oscillograph with multiple signal sampling channels as pulse signal acquisition module, can be to being tested velocity pick-up All passages of device are carried out at the same time signal acquisition.
- 6. rail vehicles instrument detection device as claimed in claim 1 or 2, it is characterised in that the electric signal instrument Detection unit realizes that output high stability, the resistance signal of wide scope, combined-voltage, electric current are believed using multifunctional check Number.
- 7. rail vehicles instrument detection device as claimed in claim 1 or 2, it is characterised in that the temperature sensor Detection unit includes multipath temperature patrol inspection instrument and gathers by test specimen signal, can detect at the same time multiple by test specimen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332761.2U CN207317830U (en) | 2017-10-11 | 2017-10-11 | A kind of rail vehicles instrument detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721332761.2U CN207317830U (en) | 2017-10-11 | 2017-10-11 | A kind of rail vehicles instrument detection device |
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| CN207317830U true CN207317830U (en) | 2018-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926527A (en) * | 2019-11-19 | 2020-03-27 | 江西洪都航空工业集团有限责任公司 | General sensor test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926527A (en) * | 2019-11-19 | 2020-03-27 | 江西洪都航空工业集团有限责任公司 | General sensor test equipment |
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