CN109410366A - A kind of stroke-increasing electric automobile prognostic and health management platform - Google Patents
A kind of stroke-increasing electric automobile prognostic and health management platform Download PDFInfo
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- CN109410366A CN109410366A CN201811071003.9A CN201811071003A CN109410366A CN 109410366 A CN109410366 A CN 109410366A CN 201811071003 A CN201811071003 A CN 201811071003A CN 109410366 A CN109410366 A CN 109410366A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
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Abstract
The invention discloses a kind of stroke-increasing electric automobile prognostic and health management platforms, including sensor acquisition module, data acquisition transmission line, data processing equipment, USB serial ports and Computer display platform, the output end of the sensor acquisition module is connected by the input end signal that data acquire transmission line and data processing equipment, and the output end of data processing equipment is connect by USB serial ports with the input terminal of Computer display platform.The stroke-increasing electric automobile prognostic and health management platform intergration information collection is analyzed, and transmission, display is integrated, and can be suitably used for engine-generating set type stroke-increasing electric automobile failure predication of a certain model；And is intuitively shown by display screen receive with treated data, show the fault message of experiment porch, solve the fault simulation unicity of existing stroke-increasing electric automobile fault diagnosis platform and show the problems such as not intuitive.
Description
Technical field
The present invention relates to stroke-increasing electric automobile technical field, specially a kind of stroke-increasing electric automobile failure predication and strong
Health pipe platform.
Background technique
As nowadays the anxiety of the energy and the inclination of existing national policy, stroke-increasing electric automobile receive extensive pass
Note just needs a malfunction test wherein important distance increasing unit and corresponding malfunction test platform arise at the same time
The acquisition of the data information of platform, analysis, display platform.The accident analysis of the malfunction test platform connect under being solved using this platform
Diagnosis and display.
Since the failure that distance increasing unit malfunction test platform is made in consideration only has specific data, and unmanned plane shows boundary
Face is not easy to Learning Studies where the problem of can not intuitively showing failure.
Because existing malfunction test sensor has been determined, when malfunction test platform is with the progress of experiment and the needs of development, day
After can be extremely inconvenient when needing to change or increase sensor.In brief, existing stroke-increasing electric automobile fault diagnosis platform
There are unicity and the non-intuitive problems of display for fault simulation.
Summary of the invention
The purpose of the present invention is to provide a kind of stroke-increasing electric automobile prognostic and health management platforms, on solving
Fault simulation unicity and the display for stating the existing stroke-increasing electric automobile fault diagnosis platform proposed in background technique be not intuitive
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of stroke-increasing electric automobile failure predication and strong
Health pipe platform, including sensor acquisition module, data acquisition transmission line, data processing equipment, USB serial ports and computer are aobvious
Show that platform, the output end of the sensor acquisition module acquire the input end signal of transmission line and data processing equipment by data
Connection, and the output end of data processing equipment is connect by USB serial ports with the input terminal of Computer display platform.
The data processing equipment includes data conditioning device, FPGA serial parallel translation interface and DSP data processing core
Piece, and the output end of the input terminal of data conditioning device and data processing equipment connects, the output end of the data conditioning device is logical
It crosses FPGA serial parallel translation interface to connect with the input terminal of DSP data processing chip, and the output end of DSP data processing chip is logical
USB serial ports is crossed to connect with the input terminal of Computer display platform.
The data processing equipment is connect with Maintenance plan two-way signaling, and the output end of data processing equipment and alarm
The input terminal of unit connects, and alarm unit includes buzzer siren and signal lamp.
The input terminal of the Computer display platform is connect with fault detection with the output end of maintenance console, and failure is examined
Survey and connect with the input terminal of maintenance console and the output end of state monitoring module, the output end of the state monitoring module also be good for
The input terminal of health evaluation module connects, and the input terminal of health evaluating module is connect with the output end of failure predication module, this is strong
The output end of health evaluation module is connect with the input terminal of Computer display platform, and Computer display platform and failure predication mould
Block is connect with cloud database two-way signaling.
The fault detection is connect by communication module with maintenance department terminal two-way signaling with maintenance console, and failure
Detection formulates maintenance program and maintenance mode with maintenance console, to formulate maintenance project, the maintenance project after formulation passes through
Fault detection is sent to Computer display platform with maintenance console and is shown.
Preferably, the sensor acquisition module include temperature sensor, displacement sensor, output torque sensor and
Acceleration transducer.
Preferably, institute's displacement sensors are provided with two, one of them is measurement bearing displacement sensor, are mounted on
On the bearing of generator shaft end, another is measurement main shaft displacement sensor, is mounted on generator shaft front end and bearing
Position between device.
Preferably, the acceleration transducer uses the acceleration transducer of piezoelectric effect, which passes through
Bolt is fixed below the engine crankshaft of flywheel side.
Preferably, the temperature sensor uses infrared temperature sensor.
Preferably, the data conditioning device includes signal conditioning circuit and AD conversion chip, the signal conditioning circuit
Input terminal acquire transmission line by data and connect with the output end of sensor acquisition module, and the output end of signal conditioning circuit
It is connect with the input terminal of AD conversion chip, the output end of the AD conversion chip.
Preferably, the signal lamp includes for indicating the underproof blue signal indicator light of temperature, for indicating
It is displaced underproof danger signal indicator light, for indicating the underproof yellow signal indicator light of output torque and for indicating
The underproof purple signal lamp of acceleration.
Preferably, the communication module uses infinite network communication module.
Preferably, maintenance department's terminal is using the PC machine that can access wireless network.
Compared with prior art, the beneficial effects of the present invention are: the stroke-increasing electric automobile prognostic and health management
Platform intergration information collection is analyzed, and transmission, display is integrated, and can be suitably used for engine-generating set type of a certain model
Stroke-increasing electric automobile failure predication；And intuitively shows to receive by display screen and be tested with treated data, displaying
The fault message of platform, fault simulation unicity and the display for solving existing stroke-increasing electric automobile fault diagnosis platform be not straight
The problems such as sight.
Detailed description of the invention
Fig. 1 is present system schematic illustration；
Fig. 2 is the system principle schematic diagram of health control platform of the present invention；
Fig. 3 is fault detection of the present invention and the system block diagram for repairing console；
Fig. 4 is the structural block diagram of alarm unit of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of stroke-increasing electric automobile failure predication and healthy pipe
Platform, including sensor acquisition module, data acquisition transmission line, data processing equipment, USB serial ports and Computer display are flat
The output end of platform, the sensor acquisition module is connected by the input end signal that data acquire transmission line and data processing equipment
It connects, and the output end of data processing equipment is connect by USB serial ports with the input terminal of Computer display platform.
The data processing equipment includes data conditioning device, FPGA serial parallel translation interface and DSP data processing core
Piece, and the output end of the input terminal of data conditioning device and data processing equipment connects, the output end of the data conditioning device is logical
It crosses FPGA serial parallel translation interface to connect with the input terminal of DSP data processing chip, and the output end of DSP data processing chip is logical
USB serial ports is crossed to connect with the input terminal of Computer display platform.
The data processing equipment is connect with Maintenance plan two-way signaling, and the output end of data processing equipment and alarm
The input terminal of unit connects, and alarm unit includes buzzer siren and signal lamp.
The input terminal of the Computer display platform is connect with fault detection with the output end of maintenance console, and failure is examined
Survey and connect with the input terminal of maintenance console and the output end of state monitoring module, the output end of the state monitoring module also be good for
The input terminal of health evaluation module connects, and the input terminal of health evaluating module is connect with the output end of failure predication module, this is strong
The output end of health evaluation module is connect with the input terminal of Computer display platform, and Computer display platform and failure predication mould
Block is connect with cloud database two-way signaling.
The fault detection is connect by communication module with maintenance department terminal two-way signaling with maintenance console, and failure
Detection formulates maintenance program and maintenance mode with maintenance console, to formulate maintenance project, the maintenance project after formulation passes through
Fault detection is sent to Computer display platform with maintenance console and is shown.
In the present invention: sensor acquisition module includes temperature sensor, displacement sensor, output torque sensor and adds
Velocity sensor.
In the present invention: there are two displacement sensor settings, one of them is measurement bearing displacement sensor, is mounted on hair
On the bearing of motor shaft end, another is measurement main shaft displacement sensor, is mounted on generator shaft front end and bearing fills
Position between setting.
In the present invention: acceleration transducer uses the acceleration transducer of piezoelectric effect, which passes through spiral shell
Bolt is fixed below the engine crankshaft of flywheel side.
In the present invention: temperature sensor uses infrared temperature sensor, the shaft of the alignment probe rotor of temperature sensor
It is installed position.
In the present invention: signal lamp includes for indicating the underproof blue signal indicator light of temperature, for indicating position
Move underproof danger signal indicator light, for indicating the underproof yellow signal indicator light of output torque and for indicating to add
The underproof purple signal lamp of speed.
In the present invention: communication module uses infinite network communication module.
In the present invention: maintenance department's terminal is using the PC machine that can access wireless network.
In the present invention: breakdown maintenance can be debugged and be controlled to the data of state monitoring module with console, in turn
It is transported to display station；Another function is the formulation of maintenance project.
In the present invention: cloud database stores cloud Mishap Database and diagnostic message database, and storage failure is examined in real time
Disconnected information.
In the present invention: data conditioning device includes signal conditioning circuit and AD conversion chip, the signal conditioning circuit
Input terminal acquires transmission line by data and connect with the output end of sensor acquisition module, and the output end of signal conditioning circuit and
The input terminal of AD conversion chip connects, the output end of the AD conversion chip.
Signal conditioning circuit of the invention: due to sensor output be all very little voltage or current variation, and
And may signal interference it is larger, so signal condition must be carried out before carrying out AD analog-to-digital conversion, that is, to analog signal into
Row amplification, filters, buffering, and calibration etc. makes it suitable for the input of AD conversion chip, convenient for processing.Signal conditioning circuit can incite somebody to action
The performance and precision of data collection system improve several times.Signal conditioning circuit is exactly that sensor signal is converted into energy in simple terms
The standard signal enough acquired.
AD conversion chip of the invention: AD conversion chip is exactly the chip for carrying out the conversion of analog quantity/digital quantity, can will be electric
Pressure, the signals such as electric current are converted into the manageable digital quantity of circuit.The digital signal of output can have 8, and 10,12,14
Position, 16 etc., the present invention using certain model twin-channel 16 AD conversion chips.That is AD conversion chip can be into
The analog quantity of two signal datas of row switchs to the processing work of digital quantity.And signal condition is had, can will be connect from sensor
The very weak input signal received is directly changed into serial digital signal output, and is not necessarily to external meters amplifier.And
Inside uses ∑-Δ ADC, is able to achieve 16 superperformances without error code, more acquires beneficial to data.And traditional integral form and
It is larger that successive approximation type a/d implements difficulty.
Fpga chip of the invention: FPGA is field programmable gate array, be can according to need through editable company
It connects the logical block inside FPGA to connect, allows logic function required for FPGA complete design person.Have in FPGA a large amount of
Programmadle logic unit, and have many connection units, trigger and register, can allow the more flexible volume of FPGA
Volume.Meanwhile FPGA has high-level such as adder, the built-in module and internal memory body of multiplier etc., can allow part is
System reconfigures, and the design of FPGA is allowed to change as the upgrading of system or dynamic reconfigure.
FPGA is exactly a kind of programmable chip that can remove to design various circuits according to oneself idea in simple terms.
Effect of the invention is that serial input is switched to parallel output.
It wherein include FIFO cache module built in FPGA, FIFO is a kind of data buffer of first in first out, due to not having
There is exterior read-write address wire, no image of Buddha general register reads or be written like that some specified address.But FIFO can be with
Accomplish common data buffering and Data Matching function.Speed of the processing speed of dsp chip much higher than AD conversion chip in the present invention
Rate, so needing will be as data buffering, to coordinate the transmitting of the data between two chips by FIFO.
Simultaneously according to FIFO work time domain, FIFO can be divided for synchronization fifo and asynchronous FIFO.The present invention is using asynchronous
FIFO, i.e. read-write clock are mutually indepedent.If read-write uses a clock, then can make subsequent DSP using synchronization fifo
The processing that just will do it other work after data has only been received, the working efficiency of DSP can be reduced in this way.Using asynchronous FIFO
Afterwards, the signal for buffering acquisition can disposably pass to dsp chip, improve the working efficiency of DSP.
Dsp chip of the invention: DSP is exactly Digital Signal Processing, and dsp chip is exactly to refer to realize digital letter
The chip of number processing technique.In dsp chip, there is special hardware multiplier because Harvard structure can make internal processes and
Data separate, using pile line operation, various digital signal processing algorithms that can quickly in solving practical problems.
Information processing can be carried out according to the program that user writes in advance, will be calculated in dsp chip using FFT in the present invention
Method carries out quick Fourier transformation, carries out spectrum analysis, converts data to the frequency-region signal being better seen, be also convenient for counting
Calculation machine carries out subsequent processing, while also saving the time of the calculation process of computer, and computer is allowed more fully to carry out
The diagnosis comparative analysis of failure works.
USB conversion chip of the invention: dsp chip can not carry out complicated analysis to data, and by computer
To realize the comparative analysis and diagnosis of data very well.Because data volume is big, general conventional data transmission mode is not able to satisfy largely,
Real-time data transfer demands, so for meet demand and convenient use, it is also considered that be outside a kind of computer of maturation to USB
It is easy-to-use if bus standard, it is hot-swappable, and USB interface is the most quickly and convenient and fast.So present invention selection uses USB
Interface progress is communicated with computer.
The data of DSP can be passed to computer by USB interface by USB conversion chip.
Computer display platform of the invention: the work of PC computer is that the data-signal for transmitting DSP is put into prior volume
It is calculated in the MATLAB program finished writing, is compared with the due parameter threshold of operating condition at this time set, then will
The fault condition and failure cause being previously set in program carry out display output.
Working principle: the present invention in use, connect object under being with certain distance increasing unit formula electric car fault diagnosis experiment porch,
The data-signal of experiment porch is acquired by sensor, and data processing is then carried out by data processing equipment and passes to calculating again
Machine carry out analysis shows that, simultaneous computer also can pass through single-chip microcontroller carry out failure simulation device output control.
Specifically: progress information collection first.Its step is PC booting, power supply opening, AD conversion chip, fpga logic turn
Change control circuit, dsp chip, USB conversion module.The sensing that electronic switch control single chip computer is instructed control to need to open by PC
The electronic switch of device, allows sensor to be powered.Subsequent diagnostic test platform starts operation, according to the needs of experiment fault simulation, therefore
The failure simulation device that barrier simulation control single chip computer is instructed control to need to open by PC.Sensor can acquire signal at this time
?.
Secondly signal transmission is carried out.It is specially the acquisition of two sensors signal through overmodulated circuit share one two it is logical
Road AD conversion chip, AD conversion chip switch timesharing by internal logic and carry out analog-to-digital conversion to two signals, then will conversion
Digital quantity afterwards carries out Serial output by a delivery outlet.
This acquisition system has 6 sensors, i.e., there are three the AD conversion chips in two channels in acquisition system, while there are three
Output channel carries out Serial output.Because using ultra high speed A/D conversion chip, when sample frequency is high, three serial output letters
Number dsp chip is passed to, dsp chip may not necessarily obtain completely, so the string for needing FPGA to carry out three AD conversion chips transmitting
Row data pass to dsp chip after becoming parallel output data again, this ensure that dsp chip can be handled completely.And it saves
The resource for having saved dsp chip shortens the processing time.Meanwhile containing FIFO cache module inside FPGA, AD data can be matched
The transmission rate of signal and DSP.FIFO can disposably be transmitted to DSP after having cached a certain amount of data, will not occupy DSP always,
Which also improves the treatment effeciencies of DSP.
After dsp chip receives the parallel data signal from FPGA, just signal data is handled according to piece internal program,
Analysis, including FFT spectrum is used to analyze.The spectrum analysis that FFT Fast Fourier Transform (FFT) is carried out by DSP, can obtain data
The frequency structure of signal and each harmonic wave and phase information, while each frequency content and frequency in data-signal can also be acquired
Distribution etc..The data analysis of these information computer below is compared most important in processing.And it is carried out with DSP
Processing can mitigate the load of computer, and the resource of computer is made preferably to go to compare signal fault analysis, arrange, display,
Storage and output.
The USB serial ports that the output of DSP needs to be converted into computer by USB conversion chip to identify passes to computer again.
The data of DSP are changed to serial data by internal hardware and transmitted by USB conversion chip, and USB hot plug is more suitable
The use of computer.
Computer receives the data that USB conversion module transmits, and is conducted into MATLAB, according to the program write in advance
Operation is carried out, is compared with known failure and its reason, whether is met by comparing the numerical values recited of parameter set
Existing fault threshold is any failure or which kind failure to determine.It can also be controlled by fault simulation control switch
Some failure in combined failure is not turned on, to obtain more accurate diagnosis.And by the data obtained carry out save and
Image output, is more easily observable in this way, shows, study.
Graphical display is carried out again.
1) spectrum analysis is applied
Due to the function that the signal acquired by sensor is amplitude and time in time domain, the time domain acquired after breaking down
Signal seems disorderly and unsystematic, by frequency spectrum point find out certain amplitude, phase, frequency basic sine (cosine) signal in, vibration
The corresponding frequency of larger (energy is higher) signal just can clearly divide to find out the predominant oscillatory frequencies feature of signal
Analyse the source of failure.The principle of spectrum analysis is that conversion process is carried out to the signal in time domain, and principle is according to calculation formula:
Spectrum analysis program is added in data processing chip, it will be able to the crankshaft vibration angular acceleration signal of acquisition,
Speed signal etc. carries out spectrum analysis, extracts fault eigenvalue, and fault signature is stored the foundation as fault detection.
2) temperature real-time monitoring
Temperature illustrates the running environment of body group as the most common Diagnostic parameters of mechanical fault detection, in certain journey
Not only it can be used as the diagnosis basis of fault diagnosis on degree, but also can be used as the major criterion of fault detection.In the electronic vapour of extended-range
Real-time monitoring distance increasing unit organism temperature numerical value is needed in vehicle failure predication and healthy platform, and forms certain corresponding area with revolving speed
Between, i.e., under certain revolving speed, the distance increasing unit operating ambient temperature of normal operation is interacted with outer room, will form certain humidity province
Between, and once there is temperature sharp increase or fluctuation obviously, can tentatively regard as distance increasing unit may have occurred failure.
Temperature indicating device of the present invention passes through temperature sensor measurement temperature and is number by analog-to-digital conversion
Signal shows that principle is when being higher than absolute zero using the temperature of object, and the presence of internal warm-up movement will constantly around
Radiated electromagnetic wave, wherein just containing the infrared ray that wave band is located at 0.75~100 μm, infrared temperature sensor is exactly to utilize this
What principle was made.A large amount of thermocouple is accumulated in the silicon substrate of bottom, and the measuring junction and low temperature contact on bottom pass through
Their heat is isolated in one layer of very thin film, and incident radioactive ray are converted heat by the black absorbing layer above measuring junction
Can, by pyroelectric effect it is found that output voltage is to radioactive ray be it is proportional, usual thermoelectric pile is to use BiSb and NiCr as hot
Galvanic couple.
3) fault message is predicted
The present invention provides a kind of stroke-increasing electric automobile prognostic and health management platform, the most common failure mould that is related to
It is quasi- to there is engine fire failure, bearing to misalign failure, coupling misalignment failure, bearing failure, shorted-turn fault
And the coupling between failure.Related failure diagnosis information can be stored by built-in data storage, in formation
Portion's database preferentially access storage inside data when failure predication and be called as diagnosis basis；For what is be not directed to
Failure then can carry out fault simulation by failure setting device, pass through display device checkout and diagnosis data.
In summary: the stroke-increasing electric automobile prognostic and health management platform intergration information collection is analyzed, and is passed
Defeated, display is integrated, and can be suitably used for engine-generating set type stroke-increasing electric automobile failure predication of a certain model；
And is intuitively shown by display screen receive with treated data, show the fault message of experiment porch, solve existing
The problems such as fault simulation unicity and not intuitive display of stroke-increasing electric automobile fault diagnosis platform.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
The correlation module being related in this system is hardware system module or for computer software journey in the prior art
The functional module that sequence or agreement are combined with hardware, computer software programs or agreement involved by the functional module itself
The technology being well known to those skilled in the art is not the improvements of this system；This system is improved between each module
Interaction relationship or connection relationship, as the whole construction of system is improved, to be solved with solving this system
Relevant art problem.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of stroke-increasing electric automobile prognostic and health management platform, including the acquisition of sensor acquisition module, data pass
Defeated line, data processing equipment, USB serial ports and Computer display platform, it is characterised in that: the sensor acquisition module it is defeated
Outlet is connected by the input end signal that data acquire transmission line and data processing equipment, and the output end of data processing equipment is logical
USB serial ports is crossed to connect with the input terminal of Computer display platform；
The data processing equipment includes data conditioning device, FPGA serial parallel translation interface and DSP data processing chip, and
The input terminal of data conditioning device and the output end of data processing equipment connect, and the output end of the data conditioning device passes through FPGA
Serial parallel translation interface is connect with the input terminal of DSP data processing chip, and the output end of DSP data processing chip passes through USB
Serial ports is connect with the input terminal of Computer display platform；
The data processing equipment is connect with Maintenance plan two-way signaling, and the output end and alarm unit of data processing equipment
Input terminal connection, and alarm unit includes buzzer siren and signal lamp；
The input terminal of the Computer display platform and fault detection connects with the output end of maintenance console, and fault detection and
The output end of the input terminal and state monitoring module that repair console connects, and the output end of the state monitoring module is also commented with health
Estimate the input terminal connection of module, and the input terminal of health evaluating module is connect with the output end of failure predication module, which comments
The output end for estimating module is connect with the input terminal of Computer display platform, and Computer display platform and failure predication module are equal
It is connect with cloud database two-way signaling；
The fault detection is connect by communication module with maintenance department terminal two-way signaling with maintenance console, and fault detection
Maintenance program and maintenance mode are formulated with maintenance console, to formulate maintenance project, the maintenance project after formulation passes through failure
Detection is sent to Computer display platform with maintenance console and is shown.
2. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 1, it is characterised in that:
The sensor acquisition module includes temperature sensor, displacement sensor, output torque sensor and acceleration transducer.
3. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 2, it is characterised in that:
Institute's displacement sensors are provided with two, one of them is measurement bearing displacement sensor, are mounted on generator shaft terminal shaft
It holds, another is measurement main shaft displacement sensor, is mounted on the position between generator shaft front end and bearing device.
4. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 2, it is characterised in that:
The acceleration transducer uses the acceleration transducer of piezoelectric effect, which is bolted on close to winged
Below the engine crankshaft for taking turns side.
5. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 2, it is characterised in that:
The temperature sensor uses infrared temperature sensor.
6. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 1, it is characterised in that:
The data conditioning device includes signal conditioning circuit and AD conversion chip, and the input terminal of the signal conditioning circuit passes through data
Acquisition transmission line is connect with the output end of sensor acquisition module, and the output end of signal conditioning circuit and AD conversion chip is defeated
Enter end connection, the output end of the AD conversion chip.
7. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 1, it is characterised in that:
The signal lamp includes for indicating the underproof blue signal indicator light of temperature, for indicating to be displaced underproof red
Signal lamp, for indicating the underproof yellow signal indicator light of output torque and for indicating the underproof purple of acceleration
Chrominance signal indicator light.
8. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 1, it is characterised in that:
The communication module uses infinite network communication module.
9. a kind of stroke-increasing electric automobile prognostic and health management platform according to claim 1, it is characterised in that:
Maintenance department's terminal is using the PC machine that can access wireless network.
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| CN201811071003.9A CN109410366A (en) | 2018-09-14 | 2018-09-14 | A kind of stroke-increasing electric automobile prognostic and health management platform |
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| CN201811071003.9A CN109410366A (en) | 2018-09-14 | 2018-09-14 | A kind of stroke-increasing electric automobile prognostic and health management platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360024A (en) * | 2019-07-29 | 2019-10-22 | 西北工业大学 | A kind of airborne trouble-shooter of rocket engine based on FPGA+DSP |
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| CN113916524A (en) * | 2021-10-12 | 2022-01-11 | 江西昌河汽车有限责任公司 | Endurance test method for critical rotating speed of range extender assembly for range-extended electric vehicle |
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