CN107300911A - Fault detection method, apparatus and system - Google Patents
Fault detection method, apparatus and system Download PDFInfo
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- CN107300911A CN107300911A CN201710698400.8A CN201710698400A CN107300911A CN 107300911 A CN107300911 A CN 107300911A CN 201710698400 A CN201710698400 A CN 201710698400A CN 107300911 A CN107300911 A CN 107300911A
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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
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Abstract
The embodiment of the present invention provides a kind of fault detection method, apparatus and system, and this method includes：Obtain the input signal and output signal of target board in measurement equipment to be checked；According to input signal, output signal, corresponding first preset range of input signal and corresponding second preset range of output signal, the state of input signal and output signal is determined, state includes normal condition and abnormality；According to input signal and the state of output signal, determine target board whether failure.Board trouble point specifically navigated in each measurement equipment to be checked, the many people of needs be not only avoid in different compartments while being operated, lose time and manpower, improve detection efficiency, also improve accuracy of detection simultaneously, the trouble point for being only able to detect cabinet or module one-level in system in the prior art is solved, causes the problem of replacement cost is high.
Description
Technical field
The present embodiments relate to motor-car technical group field, more particularly to a kind of fault detection method, apparatus and system.
Background technology
With the sustainable development of China Express Railway, various EMU, which has been subsequently entered, senior repaiies journey.Existing height
Fast EMUs passenger information system fault detect flow, which is exposed, causes security risk (short circuit), detection efficiency to EMUs
It is low, change the problems such as part cost is high, the reason for causing these problems is：The all parts of passenger information system are all arranged on motor-car
Diverse location in group, all electric current, signal transmission are required to by correlations such as the DC power supplier on car, the network equipments
System interconnection could be realized；Due in addition to being provided with a system controller STC in each column EMUs, also being provided with each bicycle
One single compartment controller CCT, and the distribution of each test interface is also more scattered, therefore needed in process fault detection
Multiple person cooperational completes experiment.
Also, existing failure detection schemes are, it is necessary to start EMUs, treat that EMUs auxiliary power supply system is stable
Afterwards, passenger information system is restarted；By system controller control all each compartment controllers for being connected to the system and its
Its ancillary equipment；After stable, every systemic-function is run item by item, while checking the train main control unit monitoring positioned at headstock
Interface, finds the coach number where the local control unit or other ancillary equipment of failure；Operating personnel are logical to the compartment
Cross to be searched manually using modes such as Meter Test, exchange part, exchange lines and failure is carried out after specific trouble point, the localization of faults
The replacing of part.
Fault detect is carried out in the state of full train power supply, exchange can be used during specific trouble point is searched
Part, exchange the mode such as line, there is the risk for causing vehicle short circuit, and needing many people to be operated simultaneously in different compartments, wasting
Time and manpower, detection efficiency are relatively low.
The content of the invention
The embodiment of the present invention provides a kind of fault detection method, apparatus and system, to solve detection efficiency in the prior art
It is low, the problem of risk is high.
The one side of the embodiment of the present invention is to provide a kind of fault detection method, including：
Obtain the input signal and output signal of target board in measurement equipment to be checked；
According to the input signal, the output signal, corresponding first preset range of the input signal and described
Corresponding second preset range of output signal, determines the state of the input signal and the output signal, and the state includes
Normal condition and abnormality；
According to the input signal and the state of the output signal, determine the target board whether failure.
It is alternatively, described according to the input signal and the state of the output signal according to method as described above, really
The fixed target board whether failure, including：
If the state of the input signal and/or the output signal is abnormality, it is determined that the target board event
Barrier.
It is alternatively, described according to the input signal, the output signal, the input according to method as described above
Corresponding first preset range of signal and corresponding second preset range of the output signal, determine the input signal and
The state of the output signal, including：
If the value of the input signal is not in first preset range, it is determined that the state of the input signal is different
Normal state；
If the value of the output signal is not in second preset range, it is determined that the state of the output signal is different
Normal state.
It is alternatively, described to obtain in measurement equipment to be checked the input signal of target board and defeated according to method as described above
Go out signal, including：
The input signal is gathered by being arranged on the input of the target board and the signal detection node of output end
With the output signal.
According to method as described above, alternatively, the input signal of target board and output in measurement equipment to be checked is obtained
Before signal, methods described also includes：
Corresponding control information is sent to the measurement equipment to be checked, the control information is used to control the measurement equipment to be checked
It is in running order, so that failure detector can obtain the input signal of target board and output in the measurement equipment to be checked
Signal.
Another aspect of the present invention there is provided a kind of failure detector, including：
Acquisition module, input signal and output signal for obtaining target board in measurement equipment to be checked；
Judge module, for being preset according to the input signal, the output signal, the input signal corresponding first
Scope and corresponding second preset range of the output signal, determine the state of the input signal and the output signal,
The state includes normal condition and abnormality；
Determining module, for the state according to the input signal and the output signal, determines that the target board is
No failure.
According to device as described above, alternatively, the determining module, if specifically for the input signal and/or institute
The state for stating output signal is abnormality, it is determined that the target board faults.
According to device as described above, alternatively, the judge module, if the value specifically for the input signal does not exist
In first preset range, it is determined that the state of the input signal is abnormality；If the value of the output signal does not exist
In second preset range, it is determined that the state of the output signal is abnormality.
According to device as described above, alternatively, the acquisition module, specifically for by being arranged on the target board
Input and the signal detection node of output end gather the input signal and the output signal.
According to device as described above, alternatively, in addition to：
Sending module, for sending corresponding control information to the measurement equipment to be checked, the control information is used to control
The measurement equipment to be checked is in running order, so that failure detector can obtain target board in the measurement equipment to be checked
Input signal and output signal.
Another aspect of the invention provides a kind of fault detection system, including failure detector as described above.
Fault detection method provided in an embodiment of the present invention, apparatus and system, by according to Target Board in measurement equipment to be checked
The input signal of card and the state of output signal, determine target board whether failure, trouble point is specifically navigated to each to be detected
Board in equipment, not only avoid many people of needs in different compartments while being operated, loses time and manpower, improve inspection
Efficiency is surveyed, while also improve accuracy of detection, solves and is only able to detect cabinet in system or module one-level in the prior art
Trouble point, causes the problem of replacement cost is high.
Brief description of the drawings
The schematic flow sheet for the fault detection method that Fig. 1 provides for one embodiment of the invention；
The structural representation for the fault detection system that Fig. 2 provides for one embodiment of the invention；
The structural representation for the failure detector that Fig. 3 provides for one embodiment of the invention；
The structural representation for the failure detector that Fig. 4 provides for another embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment one
The present embodiment provides a kind of fault detection method, and fault detect is carried out for the passenger information system to EMUs,
The executive agent of the fault detection method is failure detector, and the failure detector can be arranged in terminal device, than
As in industrial control computer, fault detection system is constituted with other auxiliary equipments.
As shown in figure 1, the schematic flow sheet of the fault detection method provided for the present embodiment.This method includes：
Step 101, the input signal and output signal of target board in measurement equipment to be checked are obtained.
Step 102, according to input signal, output signal, corresponding first preset range of input signal and output signal
Corresponding second preset range, determines the state of input signal and output signal, and state includes normal condition and abnormality.
Step 103, according to input signal and the state of output signal, determine target board whether failure.
Specifically, the fault detection system including above-mentioned failure detector can simulate institute required during EMUs operation
It is functional, while having the function of automatic fault detection part.By the system simulation motor-car set control system to passenger information
The control information that system is sent, passenger information system, which is received, performs corresponding action simultaneously to the device feedback letter after control information
Number, if any because in passenger information system a certain part (board) failure cause its input/output signal abnormal, then by fault message
Feed back to the device.Thus the various functions and potential safety hazard needed for passenger information system process fault detection are transferred to
In the system, detection efficiency is improved, and eliminate the security risk that detection process of the test is constituted to EMUs.
It should be noted that the fault detection system is except including the industrial control computer of above-mentioned failure detector
Outside, various control information when can also include being used to simulate EMUs operation needed for passenger information system, such as toilet is exhaled
It is the functions such as simulation, compartment passenger calling simulation, audio and video playing order input, broadcasts analog.Simultaneously in system controller
The input of each board in STC, compartment controller CCT, tetra- equipment of video entertainment unit VER and audio distribution unit ADR
With output end setting signal detection node, for gathering the input signal and output signal of each board, and signal quality is entered
Row detection, specific trouble point (board) is judged according to the state and diagnostic logic of each road signal.The fault detection system is main
Specific trouble point for detecting tetra- equipment of STC, CCT, VER and ADR in passenger information system (specific to failure board).
During specific detection, tetra- equipment of STC, CCT, VER and ADR can be pulled down from EMUs, and transplanting is installed to
Corresponding detection zone, switches on power in fault detection system, operation host computer or other for control transmission control information
Analog hardware device sends corresponding control information, starts detection program, such as the video file played is selected in host computer,
Start video reproduction program.The state of signal detection node can be checked in the monitoring interface of host computer.Or in failure inspection
Included trouble-free tetra- equipment of STC, CCT, VER and ADR of confirmation in examining system, then only need to by STC to be detected,
The one of equipment of CCT, VER or ADR is installed to corresponding detection zone, switches on power, and open detection program.Work as transmission
After corresponding control information, corresponding measurement equipment to be checked is then in opening, and the failure detector then can be by setting
Put the input of each board and the signal detection node of output end in measurement equipment to be checked and obtain the input signal of each board and defeated
Go out signal；Each signal detection node is connected with the failure detector in industrial control computer, by the input detected
Signal or output signal feed back to failure detector；The input signal and output signal of each board have corresponding represent
Preset range in normal condition, presets according to the input signal, output signal, input signal of target board corresponding first
Scope and corresponding second preset range of output signal, then can determine the input signal and output signal of the target board
State, the state include normal condition and abnormality.
Alternatively, when the value of input signal is in the first preset range, it is determined that the state of input signal is normal shape
State, when the value of input signal is outside the first preset range, it is determined that the state of input signal is abnormality.Similarly, it is defeated
Go out the value of signal in the second preset range, be then normal condition, be then abnormality not in the second preset range.
Further, according to target board input signal and the state of output signal, it may be determined that whether the target board
Failure.Such as, if the input signal and output signal of target board are all normal conditions, it can determine that target board without event
Barrier, if input signal normal condition, output signal abnormality, it is determined that target board faults.
According to the fault detect side of the present embodiment, by according to the input signal of target board and output in measurement equipment to be checked
The state of signal, determine target board whether failure, board trouble point specifically navigated in each measurement equipment to be checked not only keeps away
The many people of needs are exempted from different compartments while being operated, have lost time and manpower, improve detection efficiency, also improve simultaneously
Accuracy of detection, solves the trouble point for being only able to detect cabinet or module one-level in system in the prior art, causes replacement cost
High the problem of.
Embodiment two
The fault detection method that the present embodiment is provided embodiment one does further supplementary notes.
As shown in Fig. 2 the structural representation of the fault detection system provided for the present embodiment, in order to illustrate fault detect
Detailed process.Wherein, failure detector is arranged in industrial control computer.The input and output end of each board are set
Signal detection node be all connected with failure detector, for failure detector provide collection each board input signal and
Output signal.
As a kind of enforceable mode, on the basis of above-described embodiment one, alternatively, according to input signal and output
The state of signal, determine target board whether failure, including：If the state of input signal and/or output signal is abnormality,
Then determine target board faults.
As another enforceable mode, on the basis of above-described embodiment one, alternatively, when the value of input signal exists
When in the first preset range, it is determined that the state of input signal is normal condition, when the value of input signal is in the first preset range
When outer, it is determined that the state of input signal is abnormality.Similarly, the value of output signal is in the second preset range, then for
Normal condition, is then abnormality not in the second preset range.
As another enforceable mode, on the basis of above-described embodiment one, alternatively, by being arranged on Target Board
The input of card and the signal detection node collection input signal and output signal of output end.
As another enforceable mode, on the basis of above-described embodiment one, alternatively, measurement equipment to be checked is being obtained
Before the input signal and output signal of middle target board, this method also includes sending corresponding control letter to measurement equipment to be checked
Breath, control information is used to control measurement equipment to be checked in running order, so that failure detector can obtain measurement equipment to be checked
The input signal and output signal of middle target board.The control information is the EMUs passenger information of fault detection system simulation
Required control signal during system worked well.It should be noted that control information is transferred to the specific mistake of measurement equipment to be checked
Journey is identical with actual EMUs, such as by STC by control information by data bus transmission to CCT, by CCT and display,
The hardware such as loudspeaker, calling set are communicated.VER receives STC control information, and to STC feedback signals；ADR receives CCT's
Control information and to CCT feedback signals.The fault detection system can simulate function required during EMUs operation, specifically
The mode of required control information can be any enforceable mode of the prior art when simulating EMUs operation, not do herein
Limitation.
If being set specifically, having included trouble-free STC, CCT, VER and the ADR tetra- of confirmation in fault detection system
Standby, such as measurement equipment to be checked is VER, then measurement equipment VER to be checked need to only be replaced to the trouble-free VER in fault detection system,
Switch on power, the video file played is selected in host computer, starts video reproduction program；Looked into the monitoring interface of host computer
See the input signal and the state of output signal of the input of target board and signal detection node a, b collection of output end, tool
Body be by failure detector according to the input signal and output signal that collect judge its state be sent to host computer carry out
Display, if the input signal of signal detection node a, b collection and the state of output signal are normal, the input of this in VER letter
The testing result of number target board corresponding with output signal is normal, and fault-free occurs；If signal detection node a collections is defeated
Enter the abnormal state for the output signal that signal condition is normal, and signal detection node b is gathered, according to diagnosis logic (such as the institute of table 1
Show) can determine that it is that target board decoding deck card in VER there occurs failure, replacing processing must be done；If signal detection node a is gathered
Status input signal it is abnormal, in the case of it is determined that vision signal output board card in the host computer communicated therewith is normal,
It can be determined that the target board decoding deck card in VER there occurs failure, replacing processing must be done.
Table 1
It should be noted that the fault detection system can also detect simultaneously tetra- equipment of STC, CCT, VER and ADR or
In four equipment two or three whether failure.Exemplified by detecting four equipment simultaneously, at this time, it may be necessary to which four equipment are pacified
The corresponding detection zone in fault detection system is attached to, is switched on power, the control information of corresponding simulation can be sent successively, can
To be detected since any one board of any one equipment.
For example, to detect the voice broadcast function of EMUs, that is, detect ADR whether failure, can be in host computer
The voice document that selection selection is reported, starts voice broadcast program；Signal detection node is checked in the monitoring interface of host computer
The signal input signal of c, d, e, f collection or the state of output signal, if the state of the signal of each signal detection node collection
Normal, then voice broadcast function test result is normal, fault-free part；If the signal condition of signal detection node c collections
Normally, the signal condition of signal detection node d collections is abnormal, then can determine that it is HUB boards in ADR according to diagnosis logic
Failure is there occurs, replacing processing must be done, whole test process is re-started after being disposed；If signal detection node c collections
Signal condition is abnormal, must detect the Audio conversion board in the CCT communicated therewith, if the signal shape of signal detection node e collections
State is normal, can determine that it is that Audio conversion board in CCT there occurs failure according to diagnosis logic, must do replacing processing, locate
Reason re-starts whole test process after finishing；If the signal condition of signal detection node e collections is abnormal, signal detection node f
The signal condition of collection is normal, can determine that it is that decoding board in STC there occurs failure according to diagnosis logic, must change
Processing, re-starts whole test process after being disposed；If signal detection node f abnormal states, it must detect what is communicated therewith
Audio signal output board card in host computer, excludes and whole test process is re-started after the board faults.It is to be appreciated that on
The number of position machine can be configured according to actual needs, not limited herein.
It should be noted that tetra- equipment of STC, CCT, VER and ADR are respectively provided with input and the output of wherein each board
End, is assured that it is which board according to each input and output end, and the concrete structure of four equipment is prior art, herein
Do not limit.Fig. 2 is only the part-structure schematic diagram of the fault detection system, in being not actual structure chart, practical structures
Some other auxiliary equipments can also be included, such as simulate the hardware device of EMUs toilets calling, service call display,
Loudspeaker for simulating compartment broadcast etc., can specifically be configured according to EMUs actual functional capability, not limit herein.
, can also the arbitrary side of combination it should be noted that each enforceable mode can individually be implemented in the present embodiment
Formula, which is combined, to be implemented, and is not limited herein.
According to the fault detection method of the present embodiment, by according to the input signal of target board in measurement equipment to be checked and defeated
Go out the state of signal, determine target board whether failure, board trouble point specifically navigated in each measurement equipment to be checked, not only
Many people are avoided the need in different compartments while being operated, loses time and manpower, improves detection efficiency, while also improving
Accuracy of detection, solves the trouble point for being only able to detect cabinet or module one-level in system in the prior art, causes to be replaced with
The problem of this is high.
Embodiment three
The present embodiment provides a kind of failure detector, for performing the fault detect side that any of the above-described embodiment is provided
Method, the failure detector can be arranged in terminal device, such as in industrial control computer.
As shown in figure 3, the structural representation of the failure detector provided for the present embodiment.The failure detector 30 is wrapped
Include acquisition module 31, judge module 32 and determining module 33.
Wherein, acquisition module 31 is used for the input signal and output signal for obtaining target board in measurement equipment to be checked；Judge
Module 32 is used for corresponding according to input signal, output signal, corresponding first preset range of input signal and output signal
Second preset range, determines the state of input signal and output signal, and state includes normal condition and abnormality；Determining module
33 are used for according to the state of input signal and output signal, determine target board whether failure.
The failure detector provided on the present embodiment, wherein the concrete operations of each module are in related method embodiment
In illustrated, will not be repeated here.
The failure detector that the present embodiment is provided, by according to the input signal of target board in measurement equipment to be checked and defeated
Go out the state of signal, determine target board whether failure, board trouble point specifically navigated in each measurement equipment to be checked, not only
Many people are avoided the need in different compartments while being operated, loses time and manpower, improves detection efficiency, while also improving
Accuracy of detection, solves the trouble point for being only able to detect cabinet or module one-level in system in the prior art, causes to be replaced with
The problem of this is high.
Example IV
The failure detector that the present embodiment is provided above-described embodiment three does further supplementary notes.
As shown in figure 4, the structural representation of the failure detector provided for the present embodiment.On the basis of above-described embodiment
On, the failure detector 30 also includes sending module 34.
As a kind of enforceable mode, on the basis of above-described embodiment three, optionally it is determined that module 33 specifically for
If the state of input signal and/or output signal is abnormality, it is determined that target board faults.
As another enforceable mode, on the basis of above-described embodiment three, alternatively, judge module 32 is specifically used
If in input signal value not in the first preset range, it is determined that the state of input signal be abnormality；If output signal
Value not in the second preset range, it is determined that the state of output signal be abnormality.
As another enforceable mode, on the basis of above-described embodiment three, alternatively, acquisition module 31 is specifically used
In by being arranged on the input of target board and the signal detection node collection input signal and output signal of output end.
As another enforceable mode, on the basis of above-described embodiment three, alternatively, sending module 34 be used for
Measurement equipment to be checked sends corresponding control information, and control information is used to control measurement equipment to be checked in running order, so that failure
Detection means can obtain the input signal and output signal of target board in measurement equipment to be checked.Specifically, being sent out by host computer
Send corresponding control instruction by industrial control computer be construed to corresponding control information, such as passenger information system needed for when
Sequence information, the control information is sent to failure detector into corresponding equipment, it is necessary to which what is illustrated is, it is possible to by fault detect
The control information that device is sent is not directly sent to equipment to be detected, than removing control CCT if desired for by STC.Specifically
Control information transmitting procedure is identical with the transmitting procedure on actual EMUs, will not be repeated here.
, can also the arbitrary side of combination it should be noted that each enforceable mode can individually be implemented in the present embodiment
Formula, which is combined, to be implemented, and is not limited herein.
The failure detector provided on the present embodiment, wherein the concrete operations of each module are in related method embodiment
In illustrated, will not be repeated here.
The failure detector that the present embodiment is provided, by according to the input signal of target board in measurement equipment to be checked and defeated
Go out the state of signal, determine target board whether failure, board trouble point specifically navigated in each measurement equipment to be checked, not only
Many people are avoided the need in different compartments while being operated, loses time and manpower, improves detection efficiency, while also improving
Accuracy of detection, solves the trouble point for being only able to detect cabinet or module one-level in system in the prior art, causes to be replaced with
The problem of this is high.
Embodiment five
The present embodiment provides a kind of fault detection system, including the failure detector that any of the above-described embodiment is provided.
Alternatively, the passenger information system work(when fault detection system can also include normally running for simulation EMUs
The hardware device of energy, such as host computer, the beeper for inputting manual calling information for inputting the video file played
Deng hardware device.
Alternatively, more facilitate to detect, can also include determining that trouble-free STC, CCT, VER and ADR tetra- is set
It is standby or including one or more, both can in the case of other three equipment are trouble-free, need to only detect one it is to be checked
Measurement equipment whether failure, four equipment can be detected simultaneously again or while two or three equipment therein are detected.Tool
Body is not limited.
It should be noted that on the specific detection process of the fault detection system and the failure detector included by it
Modules concrete operations, be described in detail, will not be repeated here in related method embodiment.
The fault detection system provided according to the present embodiment, passes through the input signal according to target board in measurement equipment to be checked
With the state of output signal, determine target board whether failure, board trouble point specifically navigated in each measurement equipment to be checked,
The many people of needs be not only avoid in different compartments while being operated, lose time and manpower, improve detection efficiency, while
Accuracy of detection is improved, the trouble point for being only able to detect cabinet or module one-level in system in the prior art is solved, causes more
Change the problem of this is high into.Also, fault detect is carried out to EMUs passenger information system using the fault detection system, it is not necessary to
Start EMUs, the various functions and potential safety hazard needed for passenger information system process fault detection are transferred to failure inspection
On examining system, detection efficiency is further increased, and eliminate the security risk constituted in detection process to EMUs.
, can be by it in several embodiments provided by the present invention, it should be understood that disclosed apparatus and method
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical of device or unit by some interfaces
Letter connection, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer
Equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the present invention each
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each functional module
Division progress for example, in practical application, can distribute complete by different functional modules by above-mentioned functions as needed
Into the internal structure of device being divided into different functional modules, to complete all or part of function described above.On
The specific work process of the device of description is stated, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (11)
1. a kind of fault detection method, it is characterised in that including：
Obtain the input signal and output signal of target board in measurement equipment to be checked；
According to the input signal, the output signal, corresponding first preset range of the input signal and the output
Corresponding second preset range of signal, determines the state of the input signal and the output signal, and the state includes normal
State and abnormality；
According to the input signal and the state of the output signal, determine the target board whether failure.
2. according to the method described in claim 1, it is characterised in that described according to the input signal and the output signal
State, determine the target board whether failure, including：
If the state of the input signal and/or the output signal is abnormality, it is determined that the target board faults.
3. according to the method described in claim 1, it is characterised in that described according to the input signal, the output signal, institute
Corresponding first preset range of input signal and corresponding second preset range of the output signal are stated, the input is determined
The state of signal and the output signal, including：
If the value of the input signal is not in first preset range, it is determined that the state of the input signal is abnormal shape
State；
If the value of the output signal is not in second preset range, it is determined that the state of the output signal is abnormal shape
State.
4. according to the method described in claim 1, it is characterised in that the input letter for obtaining target board in measurement equipment to be checked
Number and output signal, including：
The input signal and institute are gathered by being arranged on the input of the target board and the signal detection node of output end
State output signal.
5. the method according to claim any one of 1-4, it is characterised in that the target board in measurement equipment to be checked is obtained
Before input signal and output signal, methods described also includes：
Corresponding control information is sent to the measurement equipment to be checked, the control information is used to control the measurement equipment to be checked to be in
Working condition, so that failure detector can obtain the input signal of target board and output in the measurement equipment to be checked and believe
Number.
6. a kind of failure detector, it is characterised in that including：
Acquisition module, input signal and output signal for obtaining target board in measurement equipment to be checked；
Judge module, for according to the input signal, the output signal, the corresponding first default model of the input signal
Enclose and corresponding second preset range of the output signal, determine the state of the input signal and the output signal, institute
Stating state includes normal condition and abnormality；
Determining module, for the state according to the input signal and the output signal, determines whether the target board is former
Barrier.
7. device according to claim 6, it is characterised in that the determining module, if specifically for the input signal
And/or the state of the output signal is abnormality, it is determined that the target board faults.
8. device according to claim 6, it is characterised in that the judge module, if specifically for the input signal
Value not in first preset range, it is determined that the state of the input signal be abnormality；If the output signal
Value not in second preset range, it is determined that the state of the output signal be abnormality.
9. device according to claim 6, it is characterised in that the acquisition module, specifically for described by being arranged on
The input of target board and the signal detection node of output end gather the input signal and the output signal.
10. the device according to claim any one of 6-9, it is characterised in that also include：
Sending module, for sending corresponding control information to the measurement equipment to be checked, the control information is described for controlling
Measurement equipment to be checked is in running order, so that failure detector can obtain the input of target board in the measurement equipment to be checked
Signal and output signal.
11. a kind of fault detection system, it is characterised in that including the fault detect dress as described in claim any one of 6-10
Put.
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Application publication date: 20171027 |