CN109491373A - A kind of Practical training equipment fault diagnosis system - Google Patents
A kind of Practical training equipment fault diagnosis system Download PDFInfo
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- CN109491373A CN109491373A CN201811645258.1A CN201811645258A CN109491373A CN 109491373 A CN109491373 A CN 109491373A CN 201811645258 A CN201811645258 A CN 201811645258A CN 109491373 A CN109491373 A CN 109491373A
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- fault
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
Practical training equipment fault diagnosis system disclosed in the present application, compared with prior art, comprising: diagnostic signal sending module；Detect signal reading module；Fault determination module, for being in normal condition or abnormal condition according to detection signal determining experimental evaluation platform；Failure confirmation module and central processing module again；Confirmation module is used for when fault determination module determines that experimental evaluation platform is in abnormal condition failure again, has fault-free again according to detection signal determining experimental evaluation platform；Failure again confirmation module be also used to judgment experiment examine platform there are when failure to central processing module send fault code；Fault code is sent to examination terminal for analyzing according to failure of the fault code to device or circuit by central processing module.Practical training equipment fault diagnosis system provided by the present application can substitute the fault diagnosis being accomplished manually to refrigeration apparatus for checking, overcome the subjectivity of Artificial Diagnosis, improve efficiency of fault diagnosis compared to existing technologies.
Description
Technical field
This application involves teaching check-up system Instrument technology fields, and more specifically more particularly to a kind of Practical training equipment failure is examined
Disconnected system.
Background technique
Refrigeration apparatus for checking can be used as technical ability authenticating examination platform, the Skill Competition platform, skill training of refrigeration system
It practises platform to use, refrigeration examination equipment supports the long-range exercise function in internet containing training, examination pattern.Take an examination answer evaluation by
Server according to circumstances uses method of comparison automatic scoring, matching method automatic scoring, the scoring of human assistance method, and score can also basis
It acquires equipment factual data to determine, evaluation method diversification.
With the continuous increase of refrigeration apparatus for checking system function, system structure is increasingly complicated, any one is small
Failure may all cause device systems irregular working, influence examination task and normally execute.It is examined at present by Artificial Diagnosis refrigeration
The failure of nuclear equipment not only will appear diagnosis subjectivity but also operating efficiency is low.
Therefore, how a kind of Practical training equipment fault diagnosis system is provided, can substitute be accomplished manually to refrigeration examination set
Standby fault diagnosis has become those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In order to solve the above technical problems, the application provides a kind of Practical training equipment fault diagnosis system, can substitute artificial
Complete the fault diagnosis to refrigeration apparatus for checking.
Technical solution provided by the present application is as follows:
The application provides a kind of Practical training equipment fault diagnosis system, comprising: diagnostic signal sending module, for being examined in experiment
When core platform powers on or receives diagnostic command, diagnostic signal is sent to object to be measured；
Signal reading module is detected, for reading detection signal from the device or circuit in experimental evaluation platform；
Fault determination module, for being in normal condition or abnormal condition according to detection signal determining experimental evaluation platform；
Failure confirmation module and central processing module again；
Confirmation module is used for when fault determination module determines that experimental evaluation platform is in abnormal condition failure again, again root
There is fault-free according to detection signal determining experimental evaluation platform；Failure again confirmation module be also used to judgment experiment examine platform there are failures
When to central processing module send fault code；
Central processing module sends out fault code for being analyzed according to failure of the fault code to device or circuit
It send to examination terminal.
Further, in a kind of preferred mode of the present invention, apparatus for checking fault diagnosis system of freezing further include: state ginseng
Number read modules, state parameter read module are used to read when detecting that device in experimental evaluation platform or circuit power on
Take the state parameter of the device or circuit in experimental evaluation platform.
Further, in a kind of preferred mode of the present invention, apparatus for checking fault diagnosis system of freezing further include: power supply shape
State read module, power supply status read module are used to read when detecting that device in experimental evaluation platform or circuit power on
Take the power supply status of refrigeration apparatus for checking.
Further, in a kind of preferred mode of the present invention, Practical training equipment fault diagnosis system further include: sensor event
Hinder detection circuit, Transducer fault detection circuit includes one-to-one input terminal and output end, each input terminal can be with reality
The sensor connection in examination platform is tested, Transducer fault detection circuit is exported from corresponding output end and passed in sensor fault
Sensor fault-signal.
Further, in a kind of preferred mode of the present invention, Practical training equipment fault diagnosis system further include: solenoid valve event
Hinder detection circuit, solenoid valve failure detection circuit includes one-to-one input terminal and output end, each input terminal can be with reality
The solenoid valve connection in examination platform is tested, solenoid valve failure detection circuit is when detecting solenoid valve failure, from corresponding output
Hold the fault-signal of output solenoid valve.
Further, in a kind of preferred mode of the present invention, Practical training equipment fault diagnosis system further include: fault message
Storage module, the fault message occurred for storing device in experimental evaluation platform or circuit；Fault message display module is used
In showing device or the fault message that occurred of circuit in storage experimental evaluation platform to user；Fault message enquiry module is used
In the fault code inputted according to user, fault message corresponding with fault code is inquired, and at fault message display module
Show fault message.
Further, in a kind of preferred mode of the present invention, Practical training equipment fault diagnosis system further include: fault location
Module, for carrying out fault location after monitoring refrigeration apparatus for checking status fault and/or performance parameter exception.
Further, in a kind of preferred mode of the present invention, Practical training equipment fault diagnosis system further include: fault message
Logging modle will after fault message logging modle is for monitoring refrigeration apparatus for checking status fault and/or performance parameter exception
The fault message monitored is recorded into failure document data base in real time, or the fault message that operator inputs is recorded into real time
Failure document data base.
A kind of Practical training equipment fault diagnosis system provided by the invention, compared with prior art, comprising: diagnostic signal is sent
Module, for sending diagnostic signal to object to be measured when experimental evaluation platform powers on or receives diagnostic command；Detection
Signal reading module, for reading detection signal from the device or circuit in experimental evaluation platform；Fault determination module is used for root
Normal condition or abnormal condition are according to detection signal determining experimental evaluation platform；Failure confirmation module and central processing mould again
Block；Confirmation module is used for when fault determination module determines that experimental evaluation platform is in abnormal condition, again according to inspection failure again
Surveying signal determining experimental evaluation platform has fault-free；Failure again confirmation module be also used to judgment experiment examine platform there are when failure to
Central processing module sends fault code；Central processing module according to failure of the fault code to device or circuit for dividing
Analysis, and fault code is sent to examination terminal.Compared with prior art, Practical training equipment fault diagnosis provided by the present application system
System can substitute the fault diagnosis being accomplished manually to refrigeration apparatus for checking, overcome the subjectivity of Artificial Diagnosis, improve failure
Diagnosis efficiency.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of Practical training equipment fault diagnosis system provided in an embodiment of the present invention；
Fig. 2 is the architecture diagram of Practical training equipment fault diagnosis system provided in an embodiment of the present invention.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the application, below in conjunction with the application reality
The technical scheme in the embodiment of the application is clearly and completely described for the attached drawing for applying in example, it is clear that described embodiment
Only a part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model of the application protection
It encloses.
It should be noted that it can directly exist when element is referred to as on " being fixed on " or " being set to " another element
On another element or indirectly setting on the other element；When an element is known as " being connected to " another element,
It can be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", under ", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.It is multiple in the description of the present application ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
It should be clear that structure depicted in this specification attached drawing, ratio, size etc., only to cooperate specification revealed
Content is not limited to the enforceable qualifications of the application, therefore does not have so that those skilled in the art understands and reads
Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the application institute energy
Under the effect of generation and the purpose that can reach, it should all still fall in techniques disclosed in this application content and obtain the range that can cover
It is interior.
Please be as shown in Figure 1 to Figure 2, Practical training equipment fault diagnosis system provided by the embodiments of the present application, comprising: diagnostic signal
Sending module 1, for sending diagnosis letter to object to be measured when experimental evaluation platform 11 powers on or receives diagnostic command
Number；
Signal reading module 2 is detected, for reading detection signal from the device or circuit in experimental evaluation platform 11；
Fault determination module 3, for being in normal condition or improper shape according to detection signal determining experimental evaluation platform 11
State；
Failure confirmation module 4 and central processing module 5 again；
Confirmation module 4 is used for when fault determination module 3 determines that experimental evaluation platform 11 is in abnormal condition failure again, then
It is secondary that fault-free is had according to detection signal determining experimental evaluation platform 11；Confirmation module 4 is also used to examine platform in judgment experiment failure again
11 there are when failure to central processing module 5 send fault code；
Central processing module 5 according to failure of the fault code to device or circuit for analyzing, and by fault code
It is sent to examination terminal 12.
The embodiment of the present invention provides a kind of Practical training equipment fault diagnosis system, compared with prior art, comprising: diagnostic signal
Sending module 1, for sending diagnosis letter to object to be measured when experimental evaluation platform 11 powers on or receives diagnostic command
Number；Signal reading module 2 is detected, for reading detection signal from the device or circuit in experimental evaluation platform 11；Fault verification
Module 3, for being in normal condition or abnormal condition according to detection signal determining experimental evaluation platform 11；Failure confirmation module again
4 and central processing module 5；Confirmation module 4 is used to determine that experimental evaluation platform 11 is in improper when fault determination module 3 failure again
When state, there is fault-free again according to detection signal determining experimental evaluation platform 11；Confirmation module 4 is also used to judging in fact failure again
Testing examination platform 11, there are send fault code to central processing module 5 when failure；Central processing module 5 is used for according to fault code
The failure of device or circuit is analyzed, and fault code is sent to examination terminal 12.Compared with prior art, the application
The Practical training equipment fault diagnosis system of offer can substitute the fault diagnosis being accomplished manually to refrigeration apparatus for checking, overcome people
The subjectivity of work diagnosis, improves efficiency of fault diagnosis.
Specifically, in embodiments of the present invention, refrigeration apparatus for checking fault diagnosis system further include: state parameter read module
6, state parameter read module 6 is used to read experiment when detecting that device in experimental evaluation platform 11 or circuit power on
Examine the state parameter of the device or circuit in platform 11.
Specifically, in embodiments of the present invention, refrigeration apparatus for checking fault diagnosis system further include: power supply status read module
7, power supply status read module 7 is used to read refrigeration when detecting that device in experimental evaluation platform 11 or circuit power on
The power supply status of apparatus for checking.
Specifically, in embodiments of the present invention, Practical training equipment fault diagnosis system further include: Transducer fault detection electricity
Road, Transducer fault detection circuit include one-to-one input terminal and output end, each input terminal can be with experimental evaluation platform
Sensor connection in 11, Transducer fault detection circuit is in sensor fault, from corresponding output end output transducer event
Hinder signal.
Specifically, in embodiments of the present invention, Practical training equipment fault diagnosis system further include: solenoid valve failure detection electricity
Road, solenoid valve failure detection circuit include one-to-one input terminal and output end, each input terminal can be with experimental evaluation platform
Solenoid valve connection in 11, solenoid valve failure detection circuit are exported when detecting solenoid valve failure from corresponding output end
The fault-signal of solenoid valve.
Specifically, in embodiments of the present invention, Practical training equipment fault diagnosis system further include: fault message storage module 8,
The fault message occurred for storing device in experimental evaluation platform 11 or circuit；Fault message display module 9, for
The fault message that device or circuit in family display storage experimental evaluation platform 11 occurred；Fault message enquiry module 10, is used for
According to the fault code that user inputs, fault message corresponding with fault code is inquired, and is shown at fault message display module
Show fault message.
Specifically, in embodiments of the present invention, Practical training equipment fault diagnosis system further include: fault location module is used for
After monitoring refrigeration apparatus for checking status fault and/or performance parameter exception, fault location is carried out.
Specifically, in embodiments of the present invention, Practical training equipment fault diagnosis system further include: fault message logging modle,
After fault message logging modle is for monitoring refrigeration apparatus for checking status fault and/or performance parameter exception, by what is monitored
Fault message is recorded into failure document data base in real time, or the fault message that operator inputs is recorded into failure data in real time
Database.
It more specifically illustrates, the framework of the Practical training equipment fault diagnosis system in the present embodiment is illustrated in fig. 2 shown below, refrigeration
System boots up self-test, it can be achieved that the signal lost in booting to experimental evaluation platform 11, detects the signal of over range, into
Row initial decision, it is whether normal to confirm experimental evaluation platform 11, if detection belongs to very positive status, after reaffirming failure, refrigeration
System 15 takes safeguard measure and fault code is sent to examination terminal 12, then is submitted by examination terminal 12 by Ethernet 13
To server checking system 14.
Operative sensor is detected using self detection mode in experimental evaluation platform 11, and sensor is sensed using digital temperature
Device, refrigeration system send digital command to experimental evaluation platform digital sensor, and digital sensor is without replying instruction as required, i.e.,
Assert that sensor is impaired, gives higher level's control terminal by 15 reporting fault of refrigeration system.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of Practical training equipment fault diagnosis system characterized by comprising
Diagnostic signal sending module, for when experimental evaluation platform powers on or receives diagnostic command, to object to be measured
Send diagnostic signal；
Signal reading module is detected, for reading detection signal from the device or circuit in experimental evaluation platform；
Fault determination module, for being in normal condition or abnormal condition according to the detection signal determining experimental evaluation platform；
Failure confirmation module and central processing module again；
Confirmation module is used for when the fault determination module determines that experimental evaluation platform is in abnormal condition the failure again, then
It is secondary that fault-free is had according to the detection signal determining experimental evaluation platform；Confirmation module is also used to examine in judgment experiment the failure again
There are send fault code to the central processing module when failure for core platform；
The central processing module is used to be analyzed according to failure of the fault code to the device or circuit, and will be former
Barrier code is sent to examination terminal.
2. Practical training equipment fault diagnosis system according to claim 1, which is characterized in that the refrigeration apparatus for checking failure
Diagnosis system further include: state parameter read module, the state parameter read module are used in detecting experimental evaluation platform
When device or circuit power on, the state parameter of the device or circuit in experimental evaluation platform is read.
3. Practical training equipment fault diagnosis system according to claim 2, which is characterized in that the refrigeration apparatus for checking failure
Diagnosis system further include: power supply status read module, the power supply status read module are used in detecting experimental evaluation platform
When device or circuit power on, the power supply status of refrigeration apparatus for checking is read.
4. Practical training equipment fault diagnosis system according to claim 1, which is characterized in that the Practical training equipment fault diagnosis
System further include: Transducer fault detection circuit, the Transducer fault detection circuit include one-to-one input terminal and defeated
Outlet, each input terminal can be connect with the sensor in experimental evaluation platform, and the Transducer fault detection circuit is in sensor
When failure, from corresponding output end output transducer fault-signal.
5. Practical training equipment fault diagnosis system according to claim 4, which is characterized in that the Practical training equipment fault diagnosis
System further include: solenoid valve failure detection circuit, the solenoid valve failure detection circuit include one-to-one input terminal and defeated
Outlet, each input terminal can be connect with the solenoid valve in experimental evaluation platform, and solenoid valve failure detection circuit is in detection solenoid valve
When failure, from the fault-signal of corresponding output end output solenoid valve.
6. Practical training equipment fault diagnosis system according to claim 1, which is characterized in that the Practical training equipment fault diagnosis
System further include: fault message storage module, the fault message occurred for storing device in experimental evaluation platform or circuit；
Fault message display module, for showing device or the fault message that occurred of circuit in storage experimental evaluation platform to user；
Fault message enquiry module, the fault code for being inputted according to user inquire fault message corresponding with the fault code,
And fault message is shown at the fault message display module.
7. Practical training equipment fault diagnosis system according to claim 6, which is characterized in that the Practical training equipment fault diagnosis
System further include: fault location module, for when monitoring refrigeration apparatus for checking status fault and/or after performance parameter exception,
Carry out fault location.
8. Practical training equipment fault diagnosis system according to claim 1, which is characterized in that the Practical training equipment fault diagnosis
System further include: fault message logging modle, the fault message logging modle is for monitoring refrigeration apparatus for checking state event
After barrier and/or performance parameter exception, the fault message monitored is recorded into failure document data base in real time, or by operator
The fault message of input is recorded into failure document data base in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645258.1A CN109491373A (en) | 2018-12-29 | 2018-12-29 | A kind of Practical training equipment fault diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645258.1A CN109491373A (en) | 2018-12-29 | 2018-12-29 | A kind of Practical training equipment fault diagnosis system |
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| Publication Number | Publication Date |
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| CN109491373A true CN109491373A (en) | 2019-03-19 |
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ID=65712112
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811645258.1A Pending CN109491373A (en) | 2018-12-29 | 2018-12-29 | A kind of Practical training equipment fault diagnosis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146316A (en) * | 2019-04-10 | 2019-08-20 | 广州瑞松北斗汽车装备有限公司 | The fault diagnosis method and system of auto production line function counter |
-
2018
- 2018-12-29 CN CN201811645258.1A patent/CN109491373A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146316A (en) * | 2019-04-10 | 2019-08-20 | 广州瑞松北斗汽车装备有限公司 | The fault diagnosis method and system of auto production line function counter |
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Application publication date: 20190319 |