CN106196448A - The fault detection method of air-conditioner and device - Google Patents
The fault detection method of air-conditioner and device Download PDFInfo
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- CN106196448A CN106196448A CN201610559789.3A CN201610559789A CN106196448A CN 106196448 A CN106196448 A CN 106196448A CN 201610559789 A CN201610559789 A CN 201610559789A CN 106196448 A CN106196448 A CN 106196448A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
Abstract
The invention discloses fault detection method and the device of a kind of air-conditioner.Wherein, the method includes: obtaining the fault data of air-conditioner unit, wherein, fault data includes multiple fault parameter, the corresponding fault type of each fault parameter；Whether failure judgement data there occurs change；If it is judged that fault data there occurs change, then the fault data after changing is as the fault flag of unit；Mapping relations according to each fault parameter and fault type determine the fault type represented by the fault parameter changed in fault flag.The present invention solves the technical problem of the fault data that cannot represent air-conditioner in prior art in real time.
Description
Technical field
The present invention relates to air-conditioner field, in particular to fault detection method and the device of a kind of air-conditioner.
Background technology
Existing air-conditioner long-distance intelligent service centre, is monitored the Central air-conditioning unit being distributed throughout the country,
Achieve the data acquisition of air-conditioner unit, store, analyze the functions such as application.Due to continuing to increase of central air-conditioning demand, prison
Control unit quantity the most quickly increases, and therefore, data storage faces huge challenge with analysis.
The unit data of central air-conditioning can be roughly divided into fault data, control parameter etc., and wherein, failure data analysis will
Being beneficial to unit development personnel and debug unit, personnel after sale safeguard unit, and then the operation time of lifting unit, extend the unit longevity
Life.Existing storage mode is taked not distinguish all unit data types, and unified storage, this process data method will be made
Become following harm: client, when representing fault data, is searched from mass data in correction data with offline mode and related to event
All fields of barrier, analyze whether fault generation flag bit changes, even if some unit parameter is already at properly functioning
Under state, but owing to current unit is in the pattern that fault reports, still need constantly to judge that all fault parameters are checked
Whether change, increase a lot of invalid operation, affect the response speed of client；Client is difficult at any time to a certain machine
The historical failure data of group is shown, is not easy to the investigation of unit generation problem；The expansion of monitoring unit scale will cause
Continuous inquiry to data base, increases the pressure of data base, affects the operation of other data base, reduce whole Intelligent Service center
Reliability.
For above-mentioned problem, effective solution is the most not yet proposed.
Summary of the invention
Embodiments provide fault detection method and the device of a kind of air-conditioner, at least to solve in prior art
The technical problem of the fault data of air-conditioner cannot be represented in real time.
An aspect according to embodiments of the present invention, it is provided that the fault detection method of a kind of air-conditioner, it is characterised in that
Obtaining the fault data of air-conditioner unit, wherein, described fault data includes multiple fault parameter, each fault parameter correspondence one
Individual fault type；Judge whether described fault data there occurs change；If it is judged that described fault data there occurs change, then
Fault data after changing is as the fault flag of described unit；According to described each fault parameter and described fault type
Mapping relations determine the fault type represented by the fault parameter changed in described fault flag.
Further, it is judged that whether described fault data there occurs that change includes: obtain the described number of faults of described unit
According to current frame data；Judge that described current frame data is the most identical with the former frame data of present frame, wherein, if it is judged that
Described current frame data differs with described former frame data, it is determined that described fault data there occurs change.
Further, the fault data obtaining described unit includes: judge that whether the described fault data that gets is the
One frame fault data；If it is judged that the described fault data got is described first frame fault data, then by described unit
The first flag of frame position be updated to preset flag bit, and continue to obtain the fault data of described unit；If it is judged that get
Described fault data be not described first frame fault data, then judge whether described fault data there occurs change.
Further, described fault flag includes multiple field, and the fault data after changing is as described unit
Fault flag after, described method also includes: obtain the aiming field in multiple fields of described fault flag, its
In, described aiming field there occurs the field of fault for indicating described unit；Described target is searched in described fault data
The target faults type that field is corresponding；Described aiming field and described target faults type are stored in data base accordingly.
Further, after described aiming field and described target faults type are stored in data base accordingly,
Described method also includes: obtaining the query statement that user sends, wherein, described query statement is that inquiry is pre-in the database
If the instruction of the fault type that described unit occurs in the time period；After getting described query statement, described data base
The fault type that described unit occurs is inquired about in the described preset time period of middle inquiry.
Another aspect according to embodiments of the present invention, additionally provides the failure detector of a kind of air-conditioner, including: first
Acquiring unit, for obtaining the fault data of described unit, wherein, described fault data includes multiple fault parameter, each event
The corresponding fault type of barrier parameter；Judging unit, is used for judging whether described fault data there occurs change；Unit is set,
For in the case of judging that described fault data there occurs change, the fault data after changing is as the event of described unit
Barrier flag bit；Determine unit, for determining described event according to the mapping relations of described each fault parameter and described fault type
The fault type represented by fault parameter changed in barrier flag bit.
Further, described judging unit includes: acquisition module, for obtaining working as of the described fault data of described unit
Front frame data；First judge module, for judging that described current frame data is the most identical with the former frame data of present frame, its
In, if it is judged that described current frame data differs with described former frame data, it is determined that described fault data there occurs change
Change.
Further, described first acquiring unit includes: the second judge module, for judging the described number of faults got
According to whether being the first frame fault data；More new module, being used at the described fault data judging to get is described first frame
In the case of fault data, it is updated to the first flag of frame position of described unit preset flag bit, and continues to obtain described unit
Fault data；
3rd judge module, being used at the described fault data judging to get is not described first frame fault data
In the case of, it is judged that whether described fault data there occurs change.
Further, described fault flag includes that multiple field, described device also include: second acquisition unit, is used for
By the fault data after change as after the fault flag of described unit, obtain multiple fields of described fault flag
In aiming field, wherein, described aiming field there occurs the field of fault for indicating described unit；First searches unit,
For searching the target faults type that described aiming field is corresponding in described fault data；Memory element, for by described mesh
Marking-up section and described target faults type are stored in data base accordingly.
Further, described device also includes: the 3rd acquiring unit, for by described aiming field and the event of described target
After barrier type is stored in data base accordingly, obtaining the query statement that user sends, wherein, described query statement is in institute
State the instruction of the fault type that described unit occurs in inquiry preset time period in data base；Second searches unit, for obtaining
After getting described query statement, inquire about, in inquiring about described preset time period in the database, the fault that described unit occurs
Type.
In embodiments of the present invention, using the fault data obtaining air-conditioner unit, wherein, described fault data includes many
Individual fault parameter, the corresponding fault type of each fault parameter；Judge whether described fault data there occurs change；If sentenced
Break and described fault data and there occurs change, then by the fault data after change as the fault flag of described unit；According to
The mapping relations of described each fault parameter and described fault type determine the fault ginseng changed in described fault flag
The mode of the fault type represented by number, first obtains the fault data of unit, and whether failure judgement data there occurs change,
If it is judged that there occurs change, then the fault data after changing is as the fault flag of unit, and determines that unit occurs
Fault type, the mode fault data of air-conditioner being analyzed relative to off-line in prior art, reached real-time exhibition
The purpose of existing unit fault, it is achieved thereby that the technique effect of unit fault type can be obtained in real time, and then solves existing
Technology cannot represent the technical problem of the fault data of air-conditioner in real time.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of a kind of fault detection method according to embodiments of the present invention；
Fig. 2 is the flow chart of a kind of fault detection method alternatively according to embodiments of the present invention；And
Fig. 3 is the schematic diagram of a kind of failure detector alternatively according to embodiments of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Data can exchange in the appropriate case, in order to embodiments of the invention described herein can with except here diagram or
Order beyond those described is implemented.Additionally, term " includes " and " having " and their any deformation, it is intended that cover
Cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment are not necessarily limited to
Those steps clearly listed or unit, but can include the most clearly listing or for these processes, method, product
Or intrinsic other step of equipment or unit.
According to embodiments of the present invention, it is provided that the embodiment of a kind of fault detection method, it should be noted that at accompanying drawing
Step shown in flow chart can perform in the computer system of such as one group of computer executable instructions, and, although
Flow chart shows logical order, but in some cases, can perform shown with the order being different from herein or retouch
The step stated.
Fig. 1 is the flow chart of a kind of fault detection method according to embodiments of the present invention, as it is shown in figure 1, the method includes
Following steps:
Step S102, obtains the fault data of unit, and wherein, fault data includes multiple fault parameter, and each fault is joined
The corresponding fault type of number.
Specifically, designer, when developer component, can be air-conditioning according to the type agreement of each central air-conditioning in advance
Each crew qiting fault data of device, this fault data includes multiple fault parameter, and each fault parameter is corresponding
Fault type, also includes each fault parameter position in the protocol in this fault data.In embodiments of the present invention, fault
Parameter can represent with " 0 " or " 1 ", or represents with " 00 " or " 01 ".
In embodiments of the present invention, the fault parameter in fault data can be a sequence, such as " 0001 ", this sequence
Corresponding four kinds of fault types, it is assumed that for fault type A, fault type B, fault type C and fault type D.As fault type A
When corresponding fault parameter is " 0 ", represent that unit does not occurs such fault, when fault parameter corresponding for fault type D is " 1 "
Time, represent that unit there occurs such fault.
Step S104, it is judged that whether fault data there occurs change.
In embodiments of the present invention, whether can there occurs that change judges event by fault parameter in failure judgement data
Barrier data there occurs change.Such as, in a certain moment, in fault data, fault parameter is sequence " 0001 ", but, in lower a period of time
Carving, the fault parameter in fault data becomes sequence " 0010 ", then it represents that fault data there occurs change.
Step S106, if it is judged that fault data there occurs change, then using the fault data after change as unit
Fault flag.
In embodiments of the present invention, if it is judged that fault data there occurs change, then explanation air-conditioner unit there occurs
Fault, or unit is changed to non-faulting state by malfunction.At this point it is possible to using the fault data after change as unit
Fault flag, such as, when being changed to " 0010 " when fault data by " 0001 ", fault flag can be updated to become
Fault data " 0010 " after change, wherein, the fault flag before renewal is the fault data " 0001 " before change.
Step S108, determines in fault flag according to the mapping relations of each fault parameter and fault type and changes
The fault type represented by fault parameter.
Such as, described in above-mentioned steps S106, when fault data is changed to " 0010 " by " 0001 ", by fault
After flag bit is updated to the fault data " 0010 " after change, the fault changed can be determined by fault flag
Parameter and the fault type represented by fault parameter changed.
In the present embodiment, by comparing, the 3rd in fault data is become " 1 " from " 0 ", it is known that, unit is sent out
Give birth to the fault that fault type is C；The 4th in fault data is become " 0 " from " 1 ", it is known that, in unit, fault type is D's
Fault recovery.
It should be noted that owing to each central air-conditioning includes multiple unit, therefore, for each machine of central air-conditioning
Group, all can use above-mentioned steps S102 to the method described in step S108 to carry out the detection of fault.Further, for phase
The unit of same model, the fault parameter configured is identical parameter, say, that if the model phase of any two unit
With, then the fault type that this any two unit is corresponding is identical.
In embodiments of the present invention, first obtain the fault data of unit, and whether failure judgement data there occurs change,
If it is judged that there occurs change, then the fault data after changing is as the fault flag of unit, and determines that unit occurs
Fault type, the mode fault data of air-conditioner being analyzed relative to off-line in prior art, reached real-time exhibition
The purpose of existing unit fault, it is achieved thereby that the technique effect of unit fault type can be obtained in real time, and then solves existing
Technology cannot represent the technical problem of the fault data of air-conditioner in real time.
In embodiments of the present invention, for the fault data of each unit, can be incited somebody to action by the GPRS module of each unit
The fault data detected is uploaded to the remote server center of air-conditioner.But, due to after GPRS module login service device
The first frame data cannot know log in before the state of each module of unit, and data uploading speed is fast, therefore to first uploaded
Frame data do not do breakdown judge.Therefore, in embodiments of the present invention, when obtaining the fault data of unit, can first determine whether
Whether the fault data got is the first frame fault data, wherein, if it is judged that the fault data got is the first frame
Fault data, then be updated to the first flag of frame position of unit preset flag bit, and continue to obtain the fault data of unit；If
Judge that the fault data got is not the first frame fault data, then whether failure judgement data there occurs change.
In embodiments of the present invention, the first flag of frame position is that program staff pre-sets, if wrapped in each air-conditioner
Include 16 units, then can represent the first flag of frame position of 16 set modules by two bytes (16) respectively.For example, it is possible to
" 0 " or " 1 " is utilized to represent this first flag of frame position, wherein, 0,1 the most corresponding true or false.Such as, 16 machines
In group module, second set modules uploads the first frame data, then can be by second bit position in the first flag of frame position
false.Wherein, the initial value of the first flag of frame position of each set modules of air-conditioner can be to be set to true, will first
In flag of frame position, each bit (data bit) initial value is all set to 0.
In embodiments of the present invention, use above-mentioned for air-conditioner unit, the mode of the first flag of frame position is set can be in minimum
Reducing the demand in server memory space in degree, the process time of CPU is almost negligible simultaneously.
After the first flag of frame position arranging each set modules, for the follow-up data uploaded, it can be determined that fault
Whether data there occurs that change includes, wherein, it is judged that whether fault data there occurs that change includes: obtain the fault data of unit
Current frame data, then, it is judged that current frame data is the most identical with the former frame data of present frame, wherein, if it is judged that
Current frame data differs with former frame data, it is determined that fault data there occurs change.
In embodiments of the present invention, when whether failure judgement data change, can be according to the data of fault data
Frame judges, i.e. judges that current frame data is the most identical with former frame data, if it is judged that present frame and former frame data
Differ, it is determined that fault data there occurs change.
Such as, for certain set modules of air-conditioner, the fault data of the second frame got is " 0000 ", gets
The fault data of the 3rd frame be " 1000 ", by comparing, the fault data of the 3rd frame and the fault data of the second frame are not
Identical, show that fault data there occurs change, at this time, it may be necessary to amendment fault data value, i.e. update the fault mark of air-conditioner unit
Will position.The fault flag of air-conditioner unit is updated to the fault data of the 3rd frame, i.e. " 1000 ".
In an optional embodiment, fault flag includes multiple field, is being made by the fault data after change
After the fault flag of unit, the method also includes: obtain the aiming field in multiple fields of fault flag, its
In, aiming field, for indicating unit to there occurs the field of fault, then, searches the mesh that aiming field is corresponding in fault data
Mark fault type；Aiming field and target faults type are stored in data base accordingly.
Specifically, if the failure identification position of unit there occurs change, need fault flag after the change is looked into
Looking for the field that can indicate that unit there occurs fault, such as, in the above-described embodiments, the fault data of the 3rd frame is " 1000 ",
The fault data of the second frame is " 0000 ", now, need to be updated to " 1000 " by fault flag.Then, event after the updating
Barrier flag bit is searched aiming field, i.e. for the field indicating unit to break down.By searching, at fault flag
In, first i.e. aiming field of bit, because in the second frame, first is " 0 ", in the 3rd frame, first is " 1 ", by
This understands, and unit there occurs fault.After finding this aiming field, this target can be searched in the 3rd frame fault data
The target faults type that field is corresponding, i.e. searches first corresponding fault type in the 3rd frame.If in the 3rd frame first
Corresponding fault type is type A, and the most above-mentioned target faults type is type A.Finding aiming field and target faults
After type, it is possible to aiming field and target faults type are stored in the independent tables of data of data base accordingly, to treat
User inquires about, and wherein, in storing process, can be each aiming field and target faults type arranges a time tag,
For representing the time that this fault occurs.
Such as, unit occurs anti-freeze to protect simultaneously, two kinds of faults of environment heat detector fault, it is possible to these two kinds of failure classes
The time that type and this fault type occur, and the unit model that this fault type occurs, machine group # etc. is stored in accordingly
In data base.Thus, can be according to the single statistical analysis of certain fault data inquiry when.If working as of fault data
Front frame data are identical with former frame data, will without any changes.
In the fault detection method of the air-conditioner provided in embodiments of the present invention, by the change of above-mentioned fault flag
Storage strategy, the mode preserved for the process of unit data type classifications, will promote the search efficiency of client greatly.
In an optional embodiment of the present invention, aiming field and target faults type are being stored in number accordingly
After in storehouse, the method also includes: obtaining the query statement that user sends, wherein, query statement is to inquire about in data base
The instruction of the fault type that unit occurs in preset time period；After getting query statement, in data base, inquiry is preset
The fault type that in time period, inquiry unit occurs.
Specifically, user can be according to the time period, and the different modes such as engineering name inquiry unit is current or history breaks down
Situation, client can simply and quickly be searched fault message table in data base according to different querying conditions, and be shown
In the display interface of client.
In the prior art, remotely unit data are not classified by the server of monitoring center line, do not do any configuration and directly will
All data are stored in data base in the lump, and user needs to obtain the historical data of certain unit, and the processing mode of client is from greatly
Table goes magnanimity inquire about, obtain all of historical data, subsequently every data, each fault parameter are analyzed one by one.This from
Line mode spent time is difficult to estimate, the time period that especially historical data is crossed over is long, and client will be unable to process, separately, and data
Substantial amounts of operation calculating is placed on above query analysis by storehouse, has a strong impact on other database function, whole Intelligent Service center
The operating efficiency relating to data base will drastically decline.
The embodiment of the present invention proposes the fault detection method of a kind of air-conditioner, and this fault detection method is configurable reality
Time judge Central air-conditioning unit fault method, it is only necessary to different type of machines config failure Parameter File, development rate is fast, real-time
High；Use a kind of fault numerical value to change storage strategy, the memory usage of data base can be reduced, promote the query analysis of data base
The quick displaying to unit fault data of efficiency, beneficially client, proposes feasible program for historical failure inquiry；Divide based on data
The thought of class, individually can develop for different application, utilizes big data technique mining data to be worth；Decrease the behaviour of data base
Bear, promote the operational efficiency of data base；Realize quickly representing of unit random time segment fault data, improve client
User friendly.
Fig. 2 is the flow chart of a kind of fault detection method alternatively according to embodiments of the present invention, as in figure 2 it is shown, the party
Method comprises the steps:
Step S202, config failure parameter list；Fault parameter list includes fault data, and this fault data includes
Multiple fault parameters, and the fault type that each fault parameter is corresponding, also include each fault parameter in this fault data
Position in the protocol.In embodiments of the present invention, fault parameter can represent with " 0 " or " 1 ", or with " 00 " or
" 01 " represents.
Step S204, the first flag of frame position of the configuration each module data of unit；In embodiments of the present invention, the first flag of frame
Position pre-sets for program staff, if each air-conditioner includes 16 units, then and can be by two bytes (16) point
Biao Shi the first flag of frame position of 16 set modules.For example, it is possible to utilize " 0 " or " 1 " to represent this first flag of frame position,
Wherein, 0,1 the most corresponding true or false.
Step S206, receives the fault data of unit；
Step S208, it may be judged whether be the first frame data；The most then perform step S210, if it is not, then perform step
S214；
Step S210, corresponding set modules the first flag of frame position of amendment；
Such as, in 16 set modules, second set modules uploads the first frame data, then can be by the first flag of frame position
In second bit position be false.Wherein, the initial value of the first flag of frame position of each set modules of air-conditioner can be
It is set to true, the first flag of frame position will all be set to 0 by each bit (data bit) initial value.
Step S212, preserves current failure data, and returns execution step S206；
Step S214, it is judged that whether fault data there occurs change；If there occurs change, then perform step S216；If not yet
Change, then perform step S220；Specifically, the current frame data of the fault data of unit can be obtained, then, it is judged that when
Front frame data are the most identical with the former frame data of present frame, wherein, if it is judged that current frame data is with former frame data not
Identical, it is determined that fault data there occurs change.
Step S216, updates fault flag；
Such as, when fault data is changed to " 0010 " by " 0001 ", fault flag is updated to the fault after change
After data " 0010 ", the fault parameter changed and the fault changed ginseng can be determined by fault flag
Fault type represented by number.
Step S218, obtains fault occurrence data and stores data base；
Step S220, preserves current failure data.
The embodiment of the present invention additionally provides the failure detector of a kind of air-conditioner, the failure detector master of this air-conditioner
It is used for performing the fault detection method of the air-conditioner that embodiment of the present invention foregoing is provided, below to the embodiment of the present invention
The failure detector sending the air-conditioner of offer does concrete introduction.
Fig. 3 is the schematic diagram of the failure detector of a kind of air-conditioner according to embodiments of the present invention, as it is shown on figure 3, should
Device includes the first acquiring unit 31, judging unit 33, arranges unit 35 and determine unit 37, wherein:
First acquiring unit, for obtaining the fault data of unit, wherein, fault data includes multiple fault parameter, often
The corresponding fault type of individual fault parameter；
Specifically, designer, when developer component, can be air-conditioning according to the type agreement of each central air-conditioning in advance
Each crew qiting fault data of device, this fault data includes multiple fault parameter, and each fault parameter is corresponding
Fault type, also includes each fault parameter position in the protocol in this fault data.In embodiments of the present invention, fault
Parameter can represent with " 0 " or " 1 ", or represents with " 00 " or " 01 ", wherein.
In embodiments of the present invention, the fault parameter in fault data can be a sequence, such as " 0001 ", this sequence
Corresponding four kinds of fault types, it is assumed that for fault type A, fault type B, fault type C and fault type D.As fault type A
When corresponding fault parameter is " 0 ", represent that unit does not occurs such fault, when fault parameter corresponding for fault type D is " 1 "
Time, represent that unit there occurs such fault.
Whether judging unit, there occurs change for failure judgement data；
In embodiments of the present invention, whether can there occurs that change judges event by fault parameter in failure judgement data
Barrier data there occurs change.Such as, in a certain moment, in fault data, fault parameter is sequence " 0001 ", but, in lower a period of time
Carving, the fault parameter in fault data becomes sequence " 0010 ", then it represents that fault data there occurs change.
Unit is set, in the case of judging that fault data there occurs change, the fault data after change is made
Fault flag for unit；
In embodiments of the present invention, if it is judged that fault data there occurs change, then explanation air-conditioner unit there occurs
Fault, or unit is changed to non-faulting state by malfunction.At this point it is possible to using the fault data after change as unit
Fault flag, such as, when being changed to " 0010 " when fault data by " 0001 ", fault flag can be updated to become
Fault data " 0010 " after change, wherein, the fault flag before renewal is the fault data " 0001 " before change.
Determine unit, occur for determining in fault flag according to the mapping relations of each fault parameter and fault type
The fault type represented by fault parameter of change.
Such as, arrange described in unit, when fault data is changed to " 0010 " by " 0001 ", by fault above-mentioned
After flag bit is updated to the fault data " 0010 " after change, the fault changed can be determined by fault flag
Parameter and the fault type represented by fault parameter changed.
In the present embodiment, by comparing, the 3rd in fault data is become " 1 " from " 0 ", it is known that, unit is sent out
Give birth to the fault that fault type is C；The 4th in fault data is become " 0 " from " 1 ", it is known that, in unit, fault type is D's
Fault recovery.
It should be noted that owing to each central air-conditioning includes multiple unit, therefore, for each machine of central air-conditioning
Group, all can use above-mentioned steps S102 to the method described in step S108 to carry out the detection of fault.Further, for phase
The unit of same model, the fault parameter configured is identical parameter, say, that if the model phase of any two unit
With, then the fault type that this any two unit is corresponding is identical.
In embodiments of the present invention, first obtain the fault data of unit, and whether failure judgement data there occurs change,
If it is judged that there occurs change, then the fault data after changing is as the fault flag of unit, and determines that unit occurs
Fault type, the mode fault data of air-conditioner being analyzed relative to off-line in prior art, reached real-time exhibition
The purpose of existing unit fault, it is achieved thereby that the technique effect of unit fault type can be obtained in real time, and then solves existing
Technology cannot represent the technical problem of the fault data of air-conditioner in real time.
Alternatively, the first acquiring unit includes: the second judge module, for judging that whether the fault data that gets is the
One frame fault data；More new module, is used in the case of the fault data judging to get is the first frame fault data, will
First flag of frame position of unit is updated to preset flag bit, and continues to obtain the fault data of unit；3rd judge module, is used for
In the case of judging that the fault data got is not the first frame fault data, it is judged that whether fault data there occurs change
Change.
Alternatively, it is judged that unit includes: acquisition module, for obtaining the current frame data of the fault data of unit；First
Judge module, for judging that current frame data is the most identical with the former frame data of present frame, wherein, if it is judged that present frame
Data differ with former frame data, it is determined that fault data there occurs change.
In embodiments of the present invention, when whether failure judgement data change, can be according to the data of fault data
Frame judges, i.e. judges that current frame data is the most identical with former frame data, if it is judged that go out present frame and previous frame number
According to differing, it is determined that fault data there occurs change.
Such as, for certain set modules of air-conditioner, the fault data of the second frame got is " 0000 ", gets
The fault data of the 3rd frame be " 1000 ", by comparing, the fault data of the 3rd frame and the fault data of the second frame are not
Identical, show that fault data there occurs change, at this time, it may be necessary to amendment fault data value, i.e. update the fault mark of air-conditioner unit
Will position.The fault flag of air-conditioner unit is updated to the fault data of the 3rd frame, i.e. " 1000 ".
Alternatively, fault flag includes multiple field, and device also includes: second acquisition unit, for after changing
Fault data as the fault flag of unit after, obtain fault flag multiple fields in aiming field, wherein,
Aiming field there occurs the field of fault for indicating unit；First searches unit, for searching target word in fault data
The target faults type that section is corresponding；Memory element, for being stored in data base accordingly by aiming field and target faults type
In.
Specifically, if the failure identification position of unit there occurs change, need fault flag after the change is looked into
Looking for the field that can indicate that unit there occurs fault, such as, in the above-described embodiments, the fault data of the 3rd frame is " 1000 ",
The fault data of the second frame is " 0000 ", now, need to be updated to " 1000 " by fault flag.Then, event after the updating
Barrier flag bit is searched aiming field, i.e. for the field indicating unit to break down.By searching, at fault flag
In, first i.e. aiming field of bit, because in the second frame, first is " 0 ", in the 3rd frame, first is " 1 ", by
This understands, and unit there occurs fault.After finding this aiming field, this target can be searched in the 3rd frame fault data
The target faults type that field is corresponding, i.e. searches first corresponding fault type in the 3rd frame.If in the 3rd frame first
Corresponding fault type is type A, and the most above-mentioned target faults type is type A.Finding aiming field and target faults
After type, it is possible to aiming field and target faults type are stored in the independent tables of data of data base accordingly, to treat
User inquires about, and wherein, in storing process, can be each aiming field and target faults type arranges a time tag,
For representing the time that this fault occurs.
Such as, unit occurs anti-freeze to protect simultaneously, two kinds of faults of environment heat detector fault, it is possible to these two kinds of failure classes
The time that type and this fault type occur, and the unit model that this fault type occurs, machine group # etc. is stored in accordingly
In data base.Thus, can be according to the single statistical analysis of certain fault data inquiry when.If working as of fault data
Front frame data are identical with former frame data, will without any changes.
Alternatively, this device also includes: the 3rd acquiring unit, for by aiming field and target faults type accordingly
After being stored in data base, obtain the query statement that user sends, wherein, when query statement is that inquiry is preset in data base
Between the instruction of the fault type that unit occurs in section；Second searches unit, for after getting query statement, data base
The fault type that in middle inquiry preset time period, inquiry unit occurs.
Specifically, user can be according to the time period, and the different modes such as engineering name inquiry unit is current or history breaks down
Situation, client can simply and quickly be searched fault message table in data base according to different querying conditions, and be shown
In the display interface of client.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part described in detail, may refer to the associated description of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be passed through other
Mode realizes.Wherein, device embodiment described above is only schematically, the division of the most described unit, Ke Yiwei
A kind of logic function divides, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or
Person is desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or discussed is mutual
Between coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, unit or module or communication link
Connect, can be being electrical or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be for personal computer, server or the network equipment etc.) perform the whole of method described in each embodiment of the present invention or
Part steps.And aforesaid storage medium includes: USB flash disk, read only memory (ROM, Read-Only Memory), random access memory are deposited
Reservoir (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. are various can store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the fault detection method of an air-conditioner, it is characterised in that including:
Obtaining the fault data of air-conditioner unit, wherein, described fault data includes multiple fault parameter, each fault parameter pair
Answer a fault type；
Judge whether described fault data there occurs change；
If it is judged that described fault data there occurs change, then the fault data after changing is as the fault mark of described unit
Will position；
Mapping relations according to described each fault parameter and described fault type determine in described fault flag and change
The fault type represented by fault parameter.
Method the most according to claim 1, it is characterised in that judge whether described fault data there occurs that change includes:
Obtain the current frame data of the described fault data of described unit；
Judge that described current frame data is the most identical with the former frame data of present frame,
Wherein, if it is judged that described current frame data differs with described former frame data, it is determined that described fault data is sent out
Give birth to change.
Method the most according to claim 1, it is characterised in that the fault data obtaining described unit includes:
Judge whether the described fault data got is the first frame fault data；
If it is judged that the described fault data got is described first frame fault data, then by the first frame mark of described unit
Will position is updated to preset flag bit, and continues to obtain the fault data of described unit；
If it is judged that the described fault data got is not described first frame fault data, then judge that described fault data is
No there occurs change.
Method the most according to claim 1, it is characterised in that described fault flag includes multiple field, will change
After the fault data fault flag as described unit after, described method also includes:
Obtaining the aiming field in multiple fields of described fault flag, wherein, described aiming field is used for indicating described machine
Group there occurs the field of fault；
The target faults type that described aiming field is corresponding is searched in described fault data；
Described aiming field and described target faults type are stored in data base accordingly.
Method the most according to claim 4, it is characterised in that by described aiming field and described target faults type pair
After being stored in data base with answering, described method also includes:
Obtaining the query statement that user sends, wherein, described query statement is to inquire about in preset time period in the database
The instruction of the fault type that described unit occurs；
After getting described query statement, inquire about described unit in inquiring about described preset time period in the database and send out
Raw fault type.
6. the failure detector of an air-conditioner, it is characterised in that including:
First acquiring unit, for obtaining the fault data of air-conditioner unit, wherein, described fault data includes that multiple fault is joined
Number, the corresponding fault type of each fault parameter；
Judging unit, is used for judging whether described fault data there occurs change；
Unit is set, in the case of judging that described fault data there occurs change, the fault data after change is made
Fault flag for described unit；
Determine unit, for determining described Reflector according to the mapping relations of described each fault parameter and described fault type
The fault type represented by fault parameter changed in Wei.
Device the most according to claim 6, it is characterised in that described judging unit includes:
Acquisition module, for obtaining the current frame data of the described fault data of described unit；
First judge module, for judging that described current frame data is the most identical with the former frame data of present frame,
Wherein, if it is judged that described current frame data differs with described former frame data, it is determined that described fault data is sent out
Give birth to change.
Device the most according to claim 6, it is characterised in that described first acquiring unit includes:
Whether the second judge module, be the first frame fault data for judging the described fault data got；
More new module, is used in the case of the described fault data judging to get is described first frame fault data, will
First flag of frame position of described unit is updated to preset flag bit, and continues to obtain the fault data of described unit；
3rd judge module, at the described fault data judging to get not being the situation of described first frame fault data
Under, it is judged that whether described fault data there occurs change.
Device the most according to claim 6, it is characterised in that described fault flag includes multiple field, described device
Also include:
Second acquisition unit, for by the fault data after change as after the fault flag of described unit, obtain institute
Stating the aiming field in multiple fields of fault flag, wherein, described aiming field is used for indicating described unit to there occurs event
The field of barrier；
First searches unit, for searching the target faults type that described aiming field is corresponding in described fault data；
Memory element, for being stored in described aiming field and described target faults type accordingly in data base.
Device the most according to claim 9, it is characterised in that described device also includes:
3rd acquiring unit, for being stored in data base it accordingly by described aiming field and described target faults type
After, obtain the query statement that user sends, wherein, described query statement is institute in inquiry preset time period in the database
State the instruction of the fault type that unit occurs；
Second searches unit, for after getting described query statement, inquires about described Preset Time in the database
The fault type that described unit occurs is inquired about in section.
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| CN109405170A (en) * | 2018-09-29 | 2019-03-01 | 青岛海尔空调器有限总公司 | Update method and device for air-conditioning system |
| CN110388733A (en) * | 2019-07-29 | 2019-10-29 | 广东美的暖通设备有限公司 | Failure risk analysis system and method, air conditioner and computer readable storage medium |
| CN110631178A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔空调器有限总公司 | Updating method and device for air conditioning system |
| CN110781178A (en) * | 2018-07-25 | 2020-02-11 | 珠海格力电器股份有限公司 | Data storage method, data storage device, storage medium and electronic device |
| CN110889515A (en) * | 2019-11-18 | 2020-03-17 | 珠海格力电器股份有限公司 | Data processing method, device and system |
| CN111207484A (en) * | 2019-12-13 | 2020-05-29 | 浙江大学 | Central air-conditioning system fault diagnosis method based on object-oriented Bayesian network |
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| CN111207484A (en) * | 2019-12-13 | 2020-05-29 | 浙江大学 | Central air-conditioning system fault diagnosis method based on object-oriented Bayesian network |
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