CN107688149A - A kind of motor-car traction motor monitoring system - Google Patents
A kind of motor-car traction motor monitoring system Download PDFInfo
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- CN107688149A CN107688149A CN201610635677.1A CN201610635677A CN107688149A CN 107688149 A CN107688149 A CN 107688149A CN 201610635677 A CN201610635677 A CN 201610635677A CN 107688149 A CN107688149 A CN 107688149A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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Abstract
The present invention relates to motor-car draw-gear technical field, more particularly to a kind of motor-car traction motor monitoring system, including export and be the first data acquisition module of analog signal, the second data acquisition module, the first Signal-regulated kinase, secondary signal conditioning module, A/D modular converters, DIO modules, central processing unit, display module, memory module and the power module that output is data signal.Different working sensors is can adapt to by using the first data acquisition module and the second data acquisition module, so as to add the practicality of the system and versatility, while more item datas to motor-car traction motor is ensure that while is monitored.Caused interference in motor-car operation can be excluded by the first Signal-regulated kinase and secondary signal conditioning module, make detection data more accurate, reaction is sensitiveer, can promptly and accurately reflect the service data of motor-car traction motor, so as to adjust, ensure that motor-car is safe for operation.
Description
Technical field
The present invention relates to motor-car draw-gear technical field, and in particular to a kind of motor-car traction motor monitoring system.
Background technology
With developing rapidly for economy, the urbanization tide in China is filled with, and city size and population expand rapidly, original
The low-medium speed railway system can not meet the daily demand of people, and EMUs conduct is quick, cleans, be convenient, efficient traffic
Instrument, the first choice of people's trip has been increasingly becoming it.For EMU operation, during continuing high-speed cruising over long distances,
The working condition of traction drive is extremely important, and whether normal operation is in addition to it can influence train comfortableness for the system, also
The traction braking performance of train, the abnormal safety for even influenceing permutation car of operational factor can be influenceed.Traction drive mainly by
Tractive transformer, traction electric machine, traction convertor, axle box and gear-box composition, wherein traction electric machine is as most crucial most important
One of element, its stability run is directly connected to the operation of permutation EMUs.But at present, in the market is also without direct pin
To the monitoring system of motor-car traction motor,
The content of the invention
Detected it is an object of the invention to provide one kind and survey that data are accurate, sensitive motor-car traction motor monitoring system
System, more item datas of motor-car traction motor can be monitored simultaneously.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of motor-car traction motor monitoring system, including
Export the first data acquisition module for analog signal, output is the second data acquisition module of data signal, the first signal tune
Manage module, secondary signal conditioning module, A/D modular converters, DIO modules, central processing unit, display module, memory module and electricity
Source module, the output end of first data acquisition module are connected with the input of the first Signal-regulated kinase, first letter
The output end of number conditioning module is connected with the input of A/D modular converters, the output end of second data acquisition module and the
The input connection of binary signal conditioning module, the output end of the secondary signal conditioning module are connected with the input of DIO modules,
The DIO modules and A/D modular converters are connected by cpci bus with central processing unit, the display module and storage module
It is connected respectively with central processing unit, the power module provides power supply for system.
A kind of motor-car traction motor monitoring system as described above, further illustrates to be first data acquisition module
Including temperature sensor, voltage sensor and current sensor, the temperature sensor, voltage sensor and current sensor are equal
It is connected respectively with the first Signal-regulated kinase.
A kind of motor-car traction motor monitoring system as described above, further illustrates to be second data acquisition module
Including velocity sensor.
A kind of motor-car traction motor monitoring system as described above, further illustrates to be first Signal-regulated kinase
Including single-ended transfer difference module, level magnification module, low-pass filtering module and two level amplification module, the single-ended transfer difference module
Single-ended to differential conversion for realizing, the output end of the single-ended transfer difference module and the input of level magnification module connect,
The input of the output end of the level magnification module and low-pass filtering module connects, the output end of the low-pass filtering module with
The input connection of two level amplification module, the output end of the two level amplification module are connected with the input of A/D modular converters.
A kind of motor-car traction motor monitoring system as described above, further illustrates to be the secondary signal conditioning module
Including current limliting division module, over-pressed absorption module and photoelectric isolation module, output end and the overvoltage of the current limliting division module are inhaled
The input connection of module is received, the output end of the over-pressed absorption module and the input of photoelectric isolation module connect, the light
The output end for being electrically isolated module is connected with the input of DIO modules.
A kind of motor-car traction motor monitoring system as described above, further illustrates and is, in addition to alarm module, the report
Alert module is connected with central processing unit.
A kind of motor-car traction motor monitoring system as described above, further illustrates to be that the central processing unit is
The minimum system of C8051F020 chips and its peripheral circuit composition.
A kind of motor-car traction motor monitoring system as described above, further illustrates to be that the power module includes power supply
And voltage transformation module, the voltage transformation module are used for the voltage that supply voltage is converted into some different numerical value.
The beneficial effects of the invention are as follows：It can adapt to by using the first data acquisition module and the second data acquisition module
Different working sensors, so as to add the practicality of the system and versatility, while it ensure that to motor-car traction motor
More item datas are monitored simultaneously.Institute in motor-car operation can be excluded by the first Signal-regulated kinase and secondary signal conditioning module
The interference brought, make detection data more accurate, reaction is sensitiveer, can promptly and accurately reflect the operation number of motor-car traction motor
According to so as to adjust, guarantee motor-car is safe for operation.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the first Signal-regulated kinase structural representation.
Fig. 3 is secondary signal conditioning module structural representation.
Embodiment
Embodiment of the present invention is further elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of motor-car traction motor monitoring system provided by the invention, including output is the of analog signal
One data acquisition module, output are nursed one's health for the second data acquisition module, the first Signal-regulated kinase, secondary signal of data signal
Module, A/D modular converters, DIO modules, central processing unit, display module, memory module and power module.
The output end of first data acquisition module is connected with the input of the first Signal-regulated kinase, i.e. the first data
Acquisition module gives the analog signal transmission of collection to the first Signal-regulated kinase, the output end of first Signal-regulated kinase with
The input connection of A/D modular converters, i.e., the first Signal-regulated kinase transmits after the analog signal transmitted is nursed one's health
A/D modular converters are given, the A/D modular converters are used to convert analog signals into data signal.The A/D modular converters can be with
From AD7663, also from the A/D modular converters of other models, do not limit here.
First data acquisition module includes temperature sensor, voltage sensor and current sensor, and the temperature passes
Sensor, voltage sensor and current sensor are respectively connected with the first Signal-regulated kinase, and the temperature sensor is used to examine
The temperature of motor-car traction motor is surveyed, i.e. the temperature signal of collection is transferred to the first Signal-regulated kinase by temperature sensor, described
Temperature sensor model can select PT100 temperature sensors, can also select TEMP of other outputs for analog signal
Device, do not limit here；Similarly, the voltage sensor is used for the voltage for detecting motor-car traction motor, i.e. voltage sensor will
The voltage signal of collection is transferred to the first Signal-regulated kinase, and the voltage sensor model can select CV200-4000V electricity
Pressure sensor, other outputs can also be selected not limited here for the voltage sensor of analog signal；Similarly, the electric current
Sensor is used for the electric current for detecting motor-car traction motor, i.e. current sensor adjusts the current signal transfer of collection to the first signal
Module is managed, the current sensor model can select CT200-S current sensors, can also select other outputs as simulation letter
Number current sensor, do not limit here.
As shown in Fig. 2 preferably, first Signal-regulated kinase includes single-ended transfer difference module, one-level amplification mould
Block, low-pass filtering module and two level amplification module, the single-ended transfer difference module are single-ended to differential conversion, the list for realizing
The output end of slip sub-module and the input of level magnification module is held to connect, the output end and low pass of the level magnification module
The input connection of filtration module, the output end of the low-pass filtering module is connected with the input of two level amplification module, described
The output end of two level amplification module is connected with the input of A/D modular converters.The single-ended transfer difference module is single-ended for realizing
To differential conversion, single ended input is converted into by difference output by single-ended transfer difference module, is advantageous to suppress interference, improves signal
Quality and signal to noise ratio so that motor-car traction motor detection data it is more accurate.The single-ended transfer difference module is existing skill
Art, it is not specifically described here, such as the module can be made up of AD8138 chips and peripheral circuit.The single-ended transfer difference mould
The output end of block and the input of level magnification module connect, i.e., the signal that level magnification module inputs single-ended transfer difference module
One-level amplification is carried out, realizes that signal amplifies by level magnification module, to expand signal input range, improves the general of system
Property, the level magnification module is prior art, is not set forth in detail here.The output end and low pass of the level magnification module
The input connection of filtration module, the signal that low-pass filtering module transmits level magnification module is filtered noise reduction, right
High-frequency noise in signal is suppressed, and improves the signal to noise ratio of signal, is easy to rear end recovering signal.The low-pass filtering module is
Prior art, it is not set forth in detail here.The output end of the low-pass filtering module is connected with the input of two level amplification module,
The signal that two level amplification module transmits to low-pass filtering module carries out two level amplification, can be improved by two level amplification module
The gain of whole system, meeting that A/D modular converters input needs so that system can handle the very low signal input of amplitude, from
And improve system sensitivity.
The output end of second data acquisition module is connected with the input of secondary signal conditioning module, i.e. the second data
Acquisition module gives the digital data transmission of collection to secondary signal conditioning module, the output end of the secondary signal conditioning module with
The input connection of DIO modules, i.e., secondary signal conditioning module is transferred to DIO after the data signal transmitted is nursed one's health
Module.The DIO modules can select CDM-1816, can also select the DIO modules of other models, not limit here.
Second data acquisition module includes velocity sensor, and the velocity sensor is prior art, is not done here
Elaborate., can be by velocity sensor and the first signal condition mould when the velocity sensor used is exported as analog signal
Block is attached.
As shown in figure 3, preferably, the secondary signal conditioning module includes current limliting division module, over-pressed absorption module
And photoelectric isolation module, the output end of the current limliting division module are connected with the input of over-pressed absorption module, the overvoltage is inhaled
Receive the output end of module and the input of photoelectric isolation module connects, output end and the DIO modules of the photoelectric isolation module
Input connects.The high level signal transmitted is carried out current limliting partial pressure by the current limliting division module, then absorbs mould through overvoltage
The Instantaneous high-pressure signal that block would be possible to seal in, which absorb, removes interference, and DIO modules are being transferred to by photoelectric isolation module.
The DIO modules and A/D modular converters are connected by cpci bus with central processing unit, the display module and
Storage module is connected with central processing unit respectively, and the display module is used to show that the first data acquisition module and the second data are adopted
The detection data that collection module transfer comes, the display module can be display screen, can also use other display equipment, here
It is not set forth in detail.The storage module transmits for the first data acquisition module of storage and the second data acquisition module
Data are detected, convenient have access at any time checks that the storage module can select SD card, can also select other storage facilities, this
In do not limit.The central processing unit is preferably the minimum system formed using C8051F020 chips and its peripheral circuit.
Preferably, being additionally provided with alarm module, the alarm module is connected with central processing unit, i.e., when the data of collection surpass
When crossing predetermined value, alarm module action sends alarm, and the alarm module can select audible-visual annunciator, can also other alarms
Equipment.
The power module provides power supply for system.The power module includes power supply and voltage transformation module, the electricity
Supply voltage is converted into the voltage of some different numerical value by pressure modular converter, so as to provide different work electricity for different equipment
Pressure, ensure the normal operation of the system.It is for instance possible to use supply voltage is converted to 3.3V by TPS73233 chips, so as to protect
Demonstrate,prove the equipment normal use that operating voltage is 3.3V.
The present invention is not limited to examples detailed above, in claims of the present invention limited range, art technology
The various deformations or amendments that personnel can make without creative work are protected by this patent.
Claims (8)
- A kind of 1. motor-car traction motor monitoring system, it is characterised in that：Including exporting the first data acquisition module for analog signal Block, output are the second data acquisition module of data signal, the first Signal-regulated kinase, secondary signal conditioning module, A/D are changed Module, DIO modules, central processing unit, display module, memory module and power module, first data acquisition module it is defeated Go out end to be connected with the input of the first Signal-regulated kinase, output end and the A/D modular converters of first Signal-regulated kinase Input connection, the output end of second data acquisition module is connected with the input of secondary signal conditioning module, described The output end of secondary signal conditioning module is connected with the input of DIO modules, and the DIO modules and A/D modular converters pass through Cpci bus is connected with central processing unit, and the display module and storage module are connected with central processing unit respectively, the power supply Module provides power supply for system.
- A kind of 2. motor-car traction motor monitoring system according to claim 1, it is characterised in that：First data acquisition Module includes temperature sensor, voltage sensor and current sensor, the temperature sensor, voltage sensor and current sense Device is respectively connected with the first Signal-regulated kinase.
- A kind of 3. motor-car traction motor monitoring system according to claim 1, it is characterised in that：Second data acquisition Module includes velocity sensor.
- A kind of 4. motor-car traction motor monitoring system according to claim 1, it is characterised in that：First signal condition Module includes single-ended transfer difference module, level magnification module, low-pass filtering module and two level amplification module, the single-ended transfer difference Module is single-ended to differential conversion, the output end of the single-ended transfer difference module and the input company of level magnification module for realizing Connect, the output end of the level magnification module and the input of low-pass filtering module connect, the output of the low-pass filtering module End is connected with the input of two level amplification module, and the output end of the two level amplification module connects with the input of A/D modular converters Connect.
- A kind of 5. motor-car traction motor monitoring system according to claim 1, it is characterised in that：The secondary signal conditioning Module includes current limliting division module, over-pressed absorption module and photoelectric isolation module, the output end and mistake of the current limliting division module The input connection of absorption module is pressed, the output end of the over-pressed absorption module and the input of photoelectric isolation module connect, institute The output end for stating photoelectric isolation module is connected with the input of DIO modules.
- A kind of 6. motor-car traction motor monitoring system according to claim 1, it is characterised in that：Also include alarm module, The alarm module is connected with central processing unit.
- A kind of 7. motor-car traction motor monitoring system according to claim 1, it is characterised in that：The central processing unit is The minimum system of C8051F020 chips and its peripheral circuit composition.
- A kind of 8. motor-car traction motor monitoring system according to claim 1, it is characterised in that：The power module includes Power supply and voltage transformation module, the voltage transformation module are used for the voltage that supply voltage is converted into some different numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610635677.1A CN107688149A (en) | 2016-08-05 | 2016-08-05 | A kind of motor-car traction motor monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610635677.1A CN107688149A (en) | 2016-08-05 | 2016-08-05 | A kind of motor-car traction motor monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN107688149A true CN107688149A (en) | 2018-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610635677.1A Pending CN107688149A (en) | 2016-08-05 | 2016-08-05 | A kind of motor-car traction motor monitoring system |
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| Country | Link |
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| CN (1) | CN107688149A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238368A (en) * | 2018-10-11 | 2019-01-18 | 东沣管轨技术（北京）股份有限公司 | Detection system and method for tube-rail transportation system |
| CN109633445A (en) * | 2019-01-29 | 2019-04-16 | 吉林工程技术师范学院 | A kind of New energy automobile motor test platform |
| CN112526341A (en) * | 2020-11-27 | 2021-03-19 | 中车大连机车研究所有限公司 | Equipment for detecting faults of traction motor system of diesel locomotive |
-
2016
- 2016-08-05 CN CN201610635677.1A patent/CN107688149A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238368A (en) * | 2018-10-11 | 2019-01-18 | 东沣管轨技术（北京）股份有限公司 | Detection system and method for tube-rail transportation system |
| CN109633445A (en) * | 2019-01-29 | 2019-04-16 | 吉林工程技术师范学院 | A kind of New energy automobile motor test platform |
| CN109633445B (en) * | 2019-01-29 | 2020-11-17 | 吉林工程技术师范学院 | New energy automobile motor testboard |
| CN112526341A (en) * | 2020-11-27 | 2021-03-19 | 中车大连机车研究所有限公司 | Equipment for detecting faults of traction motor system of diesel locomotive |
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Application publication date: 20180213 |