CN106196448B - The fault detection method and device of air conditioner - Google Patents
The fault detection method and device of air conditioner Download PDFInfo
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- CN106196448B CN106196448B CN201610559789.3A CN201610559789A CN106196448B CN 106196448 B CN106196448 B CN 106196448B CN 201610559789 A CN201610559789 A CN 201610559789A CN 106196448 B CN106196448 B CN 106196448B
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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 a kind of fault detection method of air conditioner and devices.Wherein, this method comprises: obtaining the fault data of air conditioner unit, wherein fault data includes multiple fault parameters, the corresponding fault type of each fault parameter；Judge whether fault data is changed；If it is judged that fault data is changed, then using the fault data after variation as the fault flag of unit；According to the mapping relations of each fault parameter and fault type determine changed fault parameter in fault flag represented by fault type.The present invention solves the technical issues of fault data that can not show air conditioner in real time in the prior art.
Description
Technical field
The present invention relates to air-conditioner fields, in particular to the fault detection method and device of a kind of air conditioner.
Background technique
Existing air conditioner long-distance intelligent service centre, is monitored the Central air-conditioning unit being distributed throughout the country,
Realize the functions such as the data acquisition, storage, analysis application of air conditioner unit.Due to continuing to increase for central air-conditioning demand, prison
Unit quantity also rapid growth therewith is controlled, 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., wherein failure data analysis will
Unit is debugged conducive to unit development personnel, after-sales staff safeguards unit, and then promotes the runing time of unit, extends the unit longevity
Life.Existing storage mode, which is taken, does not distinguish all unit data types, unified to store, and this processing data method will be made
At following harm: client searches event involved in correlation data when showing fault data, with offline mode from mass data
All fields of barrier, analysis failure occurs whether flag bit changes, even if certain unit parameters have been in normal operation
Under state, but since current unit is in the mode that failure reports, still need constantly to judge that all fault parameters are checked
Whether change, increase many invalid operations, influences the response speed of client；Client is difficult at any time to a certain machine
The historical failure data of group is shown, the investigation that problem occurs for unit is not easy to；The expansion of monitoring unit scale will will lead to
Continuous inquiry to database, increases the pressure of database, influences the operation of other databases, reduces entire intelligent Service center
Reliability.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of fault detection method of air conditioner and devices, at least to solve in the prior art
The technical issues of fault data of air conditioner can not be showed in real time.
According to an aspect of an embodiment of the present invention, a kind of fault detection method of air conditioner is provided, which is characterized in that
Obtain the fault data of air conditioner unit, wherein the fault data includes multiple fault parameters, each fault parameter corresponding one
A fault type；Judge whether the fault data is changed；If it is judged that the fault data is changed, then
Using the fault data after variation as the fault flag of the unit；According to each fault parameter and the fault type
Mapping relations determine fault type represented by changed fault parameter in the fault flag.
Further, judging whether the fault data has occurred variation includes: the number of faults for obtaining the unit
According to current frame data；Judge whether the previous frame data of the current frame data and present frame are identical, wherein if it is judged that
The current frame data and the previous frame data are not identical, it is determined that the fault data is changed.
Further, the fault data for obtaining the unit includes: whether the fault data that gets of judgement is the
One frame fault data；If it is judged that the fault data got is the first frame fault data, then by the unit
First frame flag bit be updated to default flag bit, and continue to obtain the fault data of the unit；If it is judged that getting
The fault data be not the first frame fault data, then judge whether the fault data is changed.
Further, the fault flag includes multiple fields, and the fault data after it will change is as the unit
Fault flag after, the method also includes: obtain the aiming field in multiple fields of the fault flag,
In, the aiming field is used to indicate the field that failure has occurred in the unit；The target is searched in the fault data
The corresponding target faults type of field；The aiming field and the target faults type are correspondingly stored in database.
Further, after the aiming field and the target faults type are correspondingly stored in database,
The method also includes: obtain the inquiry instruction of user's transmission, wherein the inquiry instruction is that inquiry is pre- in the database
If the instruction for the fault type that the unit occurs in the period；After getting the inquiry instruction, in the database
The fault type that the inquiry unit occurs in the middle inquiry preset time period.
According to another aspect of an embodiment of the present invention, a kind of fault detection means of air conditioner is additionally provided, comprising: first
Acquiring unit, for obtaining the fault data of the unit, wherein the fault data includes multiple fault parameters, each event
Hinder the corresponding fault type of parameter；Judging unit, for judging whether the fault data is changed；Setting unit,
For in the case where judging that variation has occurred in the fault data, using the fault data after variation as the unit therefore
Hinder flag bit；Determination unit, for determining the event according to the mapping relations of each fault parameter and the fault type
Hinder fault type represented by changed fault parameter in flag bit.
Further, the judging unit includes: acquisition module, and the fault data for obtaining the unit is worked as
Preceding frame data；First judgment module, whether the previous frame data for judging the current frame data and present frame are identical,
In, if it is judged that the current frame data and the previous frame data are not identical, it is determined that the fault data is become
Change.
Further, the first acquisition unit includes: the second judgment module, for judging the number of faults got
According to whether being first frame fault data；Update module, for being the first frame in the fault data for judging to get
In the case where fault data, the first frame flag bit of the unit is updated to default flag bit, and continue to obtain the unit
Fault data；
Third judgment module, for not being the first frame fault data in the fault data for judging to get
In the case of, judge whether the fault data is changed.
Further, the fault flag includes multiple fields, described device further include: second acquisition unit is used for
After fault flag of the fault data after changing as the unit, multiple fields of the fault flag are obtained
In aiming field, wherein the aiming field is used to indicate the field that failure has occurred in the unit；First searching unit,
For searching the corresponding target faults type of the aiming field in the fault data；Storage unit is used for the mesh
Marking-up section and the target faults type are correspondingly stored in database.
Further, described device further include: third acquiring unit, for the aiming field and the target is former
After barrier type is correspondingly stored in database, the inquiry instruction that user sends is obtained, wherein the inquiry instruction is in institute
State the instruction that the fault type that the unit occurs in preset time period is inquired in database；Second searching unit, for obtaining
After getting the inquiry instruction, the failure that the inquiry unit occurs in the preset time period is inquired in the database
Type.
In embodiments of the present invention, using the fault data for obtaining air conditioner unit, wherein the fault data includes more
A fault parameter, the corresponding fault type of each fault parameter；Judge whether the fault data is changed；If sentenced
The disconnected fault data out is changed, then using the fault data after variation as the fault flag of the unit；According to
The mapping relations of each fault parameter and the fault type determine changed failure ginseng in the fault flag
The mode of the represented fault type of number, obtains the fault data of unit first, and judges whether fault data is changed,
If it is judged that being changed, then using the fault data after variation as the fault flag of unit, and unit is determined
Fault type, compared with the existing technology in the fault data of air conditioner is analyzed offline mode, reached real-time exhibition
The purpose of existing unit failure, so that the technical effect of unit fault type can be obtained in real time by realizing, and then solves existing
The technical issues of fault data of air conditioner can not be showed in technology in real time.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of fault detection method according to an embodiment of the present invention；
Fig. 2 is a kind of flow chart of optionally fault detection method according to an embodiment of the present invention；And
Fig. 3 is a kind of schematic diagram of optionally fault detection means according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
According to embodiments of the present invention, a kind of embodiment of fault detection method is provided, it should be noted that in attached drawing
The step of process illustrates can execute in a computer system such as a set of computer executable instructions, although also,
Logical order is shown in flow chart, but in some cases, it can be to be different from shown by sequence execution herein or retouch
The step of stating.
Fig. 1 is a kind of flow chart of fault detection method according to an embodiment of the present invention, as shown in Figure 1, this method includes
Following steps:
Step S102 obtains the fault data of unit, wherein fault data includes multiple fault parameters, each failure ginseng
The corresponding fault type of number.
Specifically, designer can be in advance air-conditioning according to the type agreement of each central air-conditioning in developer component
Each crew qiting fault data of device includes that multiple fault parameters and each fault parameter are corresponding in the fault data
Fault type further includes the position of each fault parameter in the protocol in the fault data.In embodiments of the present invention, failure
Parameter can with " 0 " perhaps " 1 " come indicate or with " 00 " or " 01 " indicate.
In embodiments of the present invention, the fault parameter in fault data can be a sequence, such as " 0001 ", the sequence
Corresponding four kinds of fault types, it is assumed that be fault type A, fault type B, fault type C and fault type D.As fault type A
When corresponding fault parameter is " 0 ", indicate that such failure does not occur for unit, when the corresponding fault parameter of fault type D is " 1 "
When, indicate that such failure has occurred in unit.
Step S104, judges whether fault data is changed.
In embodiments of the present invention, can be by judging whether fault parameter it is former to judge have occurred variation in fault data
Barrier data are changed.For example, a certain moment, fault parameter is sequence " 0001 " in fault data, still, in lower a period of time
It carves, the fault parameter in fault data becomes sequence " 0010 ", then it represents that fault data is changed.
Step S106, if it is judged that fault data is changed, then using the fault data after variation as unit
Fault flag.
In embodiments of the present invention, if it is judged that fault data is changed, then illustrate that air conditioner unit has occurred
It is non-faulting state that failure or unit are changed by malfunction.At this point it is possible to using the fault data after variation as unit
Fault flag, for example, when fault data by " 0001 " variation be " 0010 " when, fault flag can be updated to become
Fault data " 0010 " after change, wherein the fault flag before updating is the fault data " 0001 " before changing.
Step S108 is determined in fault flag according to the mapping relations of each fault parameter and fault type and is changed
Fault parameter represented by fault type.
For example, described in above-mentioned steps S106, when it is " 0010 " that fault data is by " 0001 " variation, by failure
Flag bit is updated to after the fault data " 0010 " after variation, and changed failure can be determined by fault flag
Fault type represented by parameter and changed fault parameter.
In the present embodiment, by comparing it is found that the third position in fault data becomes " 1 " from " 0 ", it is known that, unit hair
The failure that fault type is C is given birth to；The 4th in fault data becomes " 0 " from " 1 ", it is known that, fault type is D's in unit
Fault recovery.
It should be noted that since each central air-conditioning includes multiple units, for each machine of central air-conditioning
Group can carry out the detection of failure using method described in above-mentioned steps S102 to step S108.Also, for phase
With the unit of model, the fault parameter configured is identical parameter, that is to say, that if the model phase of any two unit
Together, then the corresponding fault type of any two unit is identical.
In embodiments of the present invention, the fault data of unit is obtained first, and judges whether fault data is changed,
If it is judged that being changed, then using the fault data after variation as the fault flag of unit, and unit is determined
Fault type, compared with the existing technology in the fault data of air conditioner is analyzed offline mode, reached real-time exhibition
The purpose of existing unit failure, so that the technical effect of unit fault type can be obtained in real time by realizing, and then solves existing
The technical issues of fault data of air conditioner can not be showed in technology in real time.
In embodiments of the present invention, it 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 can not know log in front of unit each module state, and data uploading speed is fast, therefore to the first of upload
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 first frame fault data, wherein if it is judged that the fault data got is first frame
The first frame flag bit of unit is then updated to default flag bit by fault data, and continues to obtain the fault data of unit；If
Judging the fault data got not is first frame fault data, then judges whether fault data is changed.
In embodiments of the present invention, first frame flag bit is that program staff is pre-set, if wrapped in each air conditioner
16 units are included, then can respectively indicate the first frame flag bit of 16 set modules with two bytes (16).For example, can be with
The first frame flag bit is indicated using " 0 " or " 1 ", wherein 0,1 respectively corresponds true or false.For example, 16 machines
Second set modules uploads the first frame data in group module, then can be by second position bit in first frame flag bit
false.Wherein, the initial value of the first frame flag bit of each set modules of air conditioner can be to be set as true, i.e., by first
Each bit (data bit) initial value is set to 0 in flag of frame position.
In embodiments of the present invention, use the above-mentioned mode that first frame flag bit is set for air conditioner unit can be in minimum
The demand in server memory space is reduced in degree, while the processing time of CPU almost can be ignored.
After the first frame flag bit that each set modules are arranged, for the data of subsequent upload, it can be determined that failure
Whether data have occurred variation, wherein judging whether fault data has occurred variation includes: the fault data for obtaining unit
Current frame data then judge whether the previous frame data of current frame data and present frame identical, wherein if it is judged that
Current frame data and previous frame data are not identical, it is determined that fault data is changed.
It in embodiments of the present invention, can be according to the data of fault data when judging whether fault data changes
Frame is judged judge whether current frame data is identical as previous frame data, if it is judged that present frame and previous frame data
It is not identical, it is determined that fault data is changed.
For example, the fault data of the second frame got is " 0000 " for some set modules of air conditioner, get
Third frame fault data be " 1000 ", by comparing it is found that the fault data of the fault data of third frame and the second frame not
It is identical, show that fault data is changed, at this time, it may be necessary to modify fault data value, that is, updates the failure mark of air conditioner unit
Will position.The fault flag of air conditioner unit is updated to the fault data of third frame, i.e. " 1000 ".
In an optional embodiment, fault flag includes multiple fields, and the fault data after it will change is made
After the fault flag of unit, this method further include: the aiming field in multiple fields of fault flag is obtained,
In, aiming field is used to indicate the field that failure has occurred in unit, then, the corresponding mesh of aiming field is searched in fault data
Mark fault type；Aiming field and target faults type are correspondingly stored in database.
Specifically, it if the failure identification position of unit is changed, needs to look into fault flag after the change
Looking for can indicate that the field of failure has occurred in unit, for example, in the above-described embodiments, the fault data of third frame is " 1000 ",
The fault data of second frame is " 0000 ", at this point, need to be updated to fault flag " 1000 ".Then, event after the updating
Aiming field is searched in barrier flag bit, that is, is used to indicate the field that unit breaks down.By searching for it is found that in fault flag
In, first bit, that is, aiming field, because in the second frame, first is " 0 ", in third frame, first is " 1 ", by
This is it is found that failure has occurred in unit.After finding the aiming field, the target can be searched in third frame fault data
The corresponding target faults type of field, i.e. first corresponding fault type in lookup third frame.If first in third frame
Corresponding fault type is type A, then above-mentioned target faults type is type A.Finding aiming field and target faults
After type, so that it may aiming field and target faults type are correspondingly stored in the independent tables of data of database, with to
User query, wherein in storing process, one time tag can be set for each aiming field and target faults type,
For indicating the time of the generation failure.
For example, anti-freeze protection, two kinds of failures of environment heat detector failure, so that it may two kinds of failure classes occur simultaneously for unit
The unit model that the time and the fault type that type and the fault type occur occur, machine group # etc. are correspondingly stored in
In database.It can individually be statisticallyd analyze according to some fault data when inquiry as a result,.If fault data is worked as
Preceding frame data are identical as previous frame data, will be without any changes.
In the fault detection method of the air conditioner provided in embodiments of the present invention, pass through the change of above-mentioned fault flag
Storage strategy, the mode saved for the processing of unit data type classifications, by the great search efficiency for promoting client.
In an optional embodiment of the invention, aiming field and target faults type are being correspondingly stored in number
After in library, this method further include: obtain the inquiry instruction that user sends, wherein inquiry instruction is to inquire in the database
The instruction for the fault type that unit occurs in preset time period；After getting inquiry instruction, inquiry is default in the database
The fault type that inquiry unit occurs in period.
Specifically, user can be according to the period, and the different modes such as engineering name inquiry unit is current or history breaks down
Situation, client simply can quickly search fault message table in database according to different querying conditions, and be shown in
In the display interface of client.
In the prior art, remotely the server of monitoring middle line does not classify to unit data, does not do any configuration and directly will
All data are stored in database together, and user needs to obtain the historical data of some unit, and the processing mode of client is from big
It goes magnanimity to inquire in table, obtains all historical datas, then every data, each fault parameter are analyzed one by one.It is this from
Line mode spent time is difficult to estimate, especially period for crossing over of historical data is too long, and client will be unable to handle, in addition, data
A large amount of operation is calculated and is placed on above query analysis by library, seriously affects other database functions, entire intelligent Service center
The operating efficiency for being related to database will sharply decline.
The embodiment of the present invention proposes a kind of fault detection method of air conditioner, which is configurable reality
When judge the method for Central air-conditioning unit failure, it is only necessary to different type of machines config failure Parameter File, development rate is fast, real-time
It is high；Storage strategy is changed using a kind of failure numerical value, the memory usage of database can be reduced, promote the query analysis of database
Efficiency, the quick displaying conducive to client to unit fault data propose feasible program for historical failure inquiry；Based on data point
The thought of class can utilize big data technology mining data value for different applications individually exploitation；Reduce the behaviour of database
It bears, promotes the operational efficiency of database；It realizes quickly showing for unit any time period fault data, improves client
User friendly.
Fig. 2 is a kind of flow chart of optionally fault detection method according to an embodiment of the present invention, as shown in Fig. 2, the party
Method includes the following steps:
Step S202, config failure parameter list；Include fault data in fault parameter list, includes in the fault data
Multiple fault parameters and the corresponding fault type of each fault parameter, further include each fault parameter in the fault data
Position in the protocol.In embodiments of the present invention, fault parameter can with " 0 " perhaps " 1 " come indicate or with " 00 " or
" 01 " indicates.
Step S204 configures the first frame flag bit of each module data of unit；In embodiments of the present invention, the first flag of frame
Position is that program staff is pre-set, if in each air conditioner including 16 units, can use two bytes (16) points
Not Biao Shi 16 set modules first frame flag bit.For example, can use " 0 " or " 1 " to indicate the first frame flag bit,
Wherein, 0,1 respectively corresponds true or false.
Step S206 receives the fault data of unit；
Step S208 judges whether it is the first frame data；If so, S210 is thened follow the steps, if it is not, thening follow the steps
S214；
Step S210 modifies corresponding set modules first frame flag bit；
For example, second set modules uploads the first frame data in 16 set modules, then it can be by first frame flag bit
In second position bit be false.Wherein, the initial value of the first frame flag bit of each set modules of air conditioner can be
It is set as true, i.e., bit (data bit) initial value each in first frame flag bit is set to 0.
Step S212 saves current failure data, and returns to step S206；
Step S214, judges whether fault data is changed；If being changed, S216 is thened follow the steps；If not yet
It changes, thens follow the steps S220；Specifically, the current frame data of the fault data of available unit, then, judgement is worked as
Whether the previous frame data of preceding frame data and present frame are identical, wherein if it is judged that current frame data and previous frame data are not
It is identical, it is determined that fault data is changed.
Step S216 updates fault flag；
For example, fault flag is updated to the failure after variation when it is " 0010 " that fault data is by " 0001 " variation
After data " 0010 ", changed fault parameter and changed failure ginseng can be determined by fault flag
The represented fault type of number.
Step S218 obtains fault occurrence data and storing data library；
Step S220 saves current failure data.
The embodiment of the invention also provides a kind of fault detection means of air conditioner, the fault detection means masters of the air conditioner
It is used to execute the fault detection method of air conditioner provided by above content of the embodiment of the present invention, below to the embodiment of the present invention
The fault detection means of the air conditioner of offer is sent to do specific introduction.
Fig. 3 is a kind of schematic diagram of the fault detection means of air conditioner according to an embodiment of the present invention, as shown in figure 3, should
Device includes first acquisition unit 31, judging unit 33, setting unit 35 and determination unit 37, in which:
First acquisition unit, for obtaining the fault data of unit, wherein fault data includes multiple fault parameters, often
The corresponding fault type of a fault parameter；
Specifically, designer can be in advance air-conditioning according to the type agreement of each central air-conditioning in developer component
Each crew qiting fault data of device includes that multiple fault parameters and each fault parameter are corresponding in the fault data
Fault type further includes the position of each fault parameter in the protocol in the fault data.In embodiments of the present invention, failure
Parameter can with " 0 " perhaps " 1 " come indicate or with " 00 " or " 01 " indicate, wherein.
In embodiments of the present invention, the fault parameter in fault data can be a sequence, such as " 0001 ", the sequence
Corresponding four kinds of fault types, it is assumed that be fault type A, fault type B, fault type C and fault type D.As fault type A
When corresponding fault parameter is " 0 ", indicate that such failure does not occur for unit, when the corresponding fault parameter of fault type D is " 1 "
When, indicate that such failure has occurred in unit.
Judging unit, for judging whether fault data is changed；
In embodiments of the present invention, can be by judging whether fault parameter it is former to judge have occurred variation in fault data
Barrier data are changed.For example, a certain moment, fault parameter is sequence " 0001 " in fault data, still, in lower a period of time
It carves, the fault parameter in fault data becomes sequence " 0010 ", then it represents that fault data is changed.
Setting unit, in the case where judging that variation has occurred in fault data, the fault data after variation to be made
For the fault flag of unit；
In embodiments of the present invention, if it is judged that fault data is changed, then illustrate that air conditioner unit has occurred
It is non-faulting state that failure or unit are changed by malfunction.At this point it is possible to using the fault data after variation as unit
Fault flag, for example, when fault data by " 0001 " variation be " 0010 " when, fault flag can be updated to become
Fault data " 0010 " after change, wherein the fault flag before updating is the fault data " 0001 " before changing.
Determination unit occurs for being determined in fault flag according to the mapping relations of each fault parameter and fault type
Fault type represented by the fault parameter of variation.
For example, described in above-mentioned setting unit, when it is " 0010 " that fault data is by " 0001 " variation, by failure
Flag bit is updated to after the fault data " 0010 " after variation, and changed failure can be determined by fault flag
Fault type represented by parameter and changed fault parameter.
In the present embodiment, by comparing it is found that the third position in fault data becomes " 1 " from " 0 ", it is known that, unit hair
The failure that fault type is C is given birth to；The 4th in fault data becomes " 0 " from " 1 ", it is known that, fault type is D's in unit
Fault recovery.
It should be noted that since each central air-conditioning includes multiple units, for each machine of central air-conditioning
Group can carry out the detection of failure using method described in above-mentioned steps S102 to step S108.Also, for phase
With the unit of model, the fault parameter configured is identical parameter, that is to say, that if the model phase of any two unit
Together, then the corresponding fault type of any two unit is identical.
In embodiments of the present invention, the fault data of unit is obtained first, and judges whether fault data is changed,
If it is judged that being changed, then using the fault data after variation as the fault flag of unit, and unit is determined
Fault type, compared with the existing technology in the fault data of air conditioner is analyzed offline mode, reached real-time exhibition
The purpose of existing unit failure, so that the technical effect of unit fault type can be obtained in real time by realizing, and then solves existing
The technical issues of fault data of air conditioner can not be showed in technology in real time.
Optionally, first acquisition unit includes: the second judgment module, for judging whether the fault data got is
One frame fault data；Update module will in the case where for being first frame fault data in the fault data for judging to get
The first frame flag bit of unit is updated to default flag bit, and continues to obtain the fault data of unit；Third judgment module, is used for
In the case where judging the fault data got not is first frame fault data, judge whether fault data is become
Change.
Optionally, judging unit includes: acquisition module, the current frame data of the fault data for obtaining unit；First
Whether judgment module, the previous frame data for judging current frame data and present frame are identical, wherein if it is judged that present frame
Data and previous frame data are not identical, it is determined that fault data is changed.
It in embodiments of the present invention, can be according to the data of fault data when judging whether fault data changes
Frame is judged, that is, it is whether identical as previous frame data to judge current frame data, if it is judged that present frame and previous frame number out
According to not identical, it is determined that fault data is changed.
For example, the fault data of the second frame got is " 0000 " for some set modules of air conditioner, get
Third frame fault data be " 1000 ", by comparing it is found that the fault data of the fault data of third frame and the second frame not
It is identical, show that fault data is changed, at this time, it may be necessary to modify fault data value, that is, updates the failure mark of air conditioner unit
Will position.The fault flag of air conditioner unit is updated to the fault data of third frame, i.e. " 1000 ".
Optionally, fault flag includes multiple fields, device further include: second acquisition unit, for after it will change
Fault data as the fault flag of unit after, obtain the aiming field in multiple fields of fault flag, wherein
Aiming field is used to indicate the field that failure has occurred in unit；First searching unit, for searching target word in fault data
The corresponding target faults type of section；Storage unit, for aiming field and target faults type to be correspondingly stored in database
In.
Specifically, it if the failure identification position of unit is changed, needs to look into fault flag after the change
Looking for can indicate that the field of failure has occurred in unit, for example, in the above-described embodiments, the fault data of third frame is " 1000 ",
The fault data of second frame is " 0000 ", at this point, need to be updated to fault flag " 1000 ".Then, event after the updating
Aiming field is searched in barrier flag bit, that is, is used to indicate the field that unit breaks down.By searching for it is found that in fault flag
In, first bit, that is, aiming field, because in the second frame, first is " 0 ", in third frame, first is " 1 ", by
This is it is found that failure has occurred in unit.After finding the aiming field, the target can be searched in third frame fault data
The corresponding target faults type of field, i.e. first corresponding fault type in lookup third frame.If first in third frame
Corresponding fault type is type A, then above-mentioned target faults type is type A.Finding aiming field and target faults
After type, so that it may aiming field and target faults type are correspondingly stored in the independent tables of data of database, with to
User query, wherein in storing process, one time tag can be set for each aiming field and target faults type,
For indicating the time of the generation failure.
For example, anti-freeze protection, two kinds of failures of environment heat detector failure, so that it may two kinds of failure classes occur simultaneously for unit
The unit model that the time and the fault type that type and the fault type occur occur, machine group # etc. are correspondingly stored in
In database.It can individually be statisticallyd analyze according to some fault data when inquiry as a result,.If fault data is worked as
Preceding frame data are identical as previous frame data, will be without any changes.
Optionally, the device further include: third acquiring unit, for by aiming field and target faults type accordingly
After storage in the database, the inquiry instruction that user sends is obtained, wherein when inquiry instruction is that inquiry is default in the database
Between unit occurs in section fault type instruction；Second searching unit, for after getting inquiry instruction, in database
The fault type that inquiry unit occurs in middle inquiry preset time period.
Specifically, user can be according to the period, and the different modes such as engineering name inquiry unit is current or history breaks down
Situation, client simply can quickly search fault message table in database according to different querying conditions, and be shown in
In the display interface of client.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of fault detection method of air conditioner characterized by comprising
Obtain the fault data of air conditioner unit, wherein the fault data includes multiple fault parameters, each fault parameter pair
Answer a fault type；
Judge whether the fault data is changed；
If it is judged that the fault data is changed, then using the fault data after variation as the failure mark of the unit
Will position；
It is determined in the fault flag and is changed according to the mapping relations of each fault parameter and the fault type
Fault parameter represented by fault type；
Wherein, the fault flag includes multiple fields, failure mark of the fault data after it will change as the unit
After will position, the method also includes: obtain the aiming field in multiple fields of the fault flag, wherein the mesh
Marking-up section is used to indicate the field that failure has occurred in the unit；It is corresponding that the aiming field is searched in the fault data
Target faults type；The aiming field and the target faults type are correspondingly stored in database.
2. the method according to claim 1, wherein judging whether the fault data has occurred variation and include:
Obtain the current frame data of the fault data of the unit；
Judge whether the previous frame data of the current frame data and present frame are identical,
Wherein, if it is judged that the current frame data and the previous frame data are not identical, it is determined that the fault data hair
Variation is given birth to.
3. the method according to claim 1, wherein the fault data for obtaining the unit includes:
Judge whether the fault data got is first frame fault data；
If it is judged that the fault data got is the first frame fault data, then by the first frame mark of the unit
Will position is updated to default flag bit, and continues to obtain the fault data of the unit；
If it is judged that the fault data got is not the first frame fault data, then judge that the fault data is
It is no to be changed.
4. the method according to claim 1, wherein by the aiming field and the target faults type pair
After storing in the database with answering, the method also includes:
Obtain the inquiry instruction that user sends, wherein the inquiry instruction is to inquire in preset time period in the database
The instruction for the fault type that the unit occurs；
After getting the inquiry instruction, the unit hair of inquiry in the preset time period is inquired in the database
Raw fault type.
5. a kind of fault detection means of air conditioner characterized by comprising
First acquisition unit, for obtaining the fault data of air conditioner unit, wherein the fault data includes multiple failure ginsengs
Number, the corresponding fault type of each fault parameter；
Judging unit, for judging whether the fault data is changed；
Setting unit, in the case where judging that variation has occurred in the fault data, the fault data after variation to be made
For the fault flag of the unit；
Determination unit, for determining the Reflector according to the mapping relations of each fault parameter and the fault type
Fault type represented by changed fault parameter in position；
Wherein, the fault flag includes multiple fields, described device further include: second acquisition unit, for that will change
After fault flag of the fault data afterwards as the unit, the target in multiple fields of the fault flag is obtained
Field, wherein the aiming field is used to indicate the field that failure has occurred in the unit；First searching unit, in institute
It states and searches the corresponding target faults type of the aiming field in fault data；Storage unit, for by the aiming field and
The target faults type is correspondingly stored in database.
6. device according to claim 5, which is characterized in that the judging unit includes:
Obtain module, the current frame data of the fault data for obtaining the unit；
First judgment module, whether the previous frame data for judging the current frame data and present frame are identical,
Wherein, if it is judged that the current frame data and the previous frame data are not identical, it is determined that the fault data hair
Variation is given birth to.
7. device according to claim 5, which is characterized in that the first acquisition unit includes:
Second judgment module, for judging whether the fault data got is first frame fault data；
Update module, for inciting somebody to action in the case where the fault data for judging to get is the first frame fault data
The first frame flag bit of the unit is updated to default flag bit, and continues to obtain the fault data of the unit；
Third judgment module, for the case where the fault data for judging to get is not the first frame fault data
Under, judge whether the fault data is changed.
8. device according to claim 5, which is characterized in that described device further include:
Third acquiring unit, for the aiming field and the target faults type to be correspondingly stored in it in database
Afterwards, the inquiry instruction that user sends is obtained, wherein the inquiry instruction is institute in inquiry preset time period in the database
State the instruction of the fault type of unit generation；
Second searching unit, for inquiring the preset time in the database after getting the inquiry instruction
The fault type that the inquiry unit occurs in section.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107885838B (en) * | 2017-11-09 | 2021-12-21 | 陕西外号信息技术有限公司 | Optical label fault detection and positioning method and system based on user data |
| CN110631178B (en) * | 2018-06-25 | 2021-04-20 | 青岛海尔空调器有限总公司 | Updating method and device for air conditioning system |
| CN110781178B (en) * | 2018-07-25 | 2021-01-12 | 珠海格力电器股份有限公司 | Data storage method, data storage device, storage medium and electronic device |
| CN109405170B (en) * | 2018-09-29 | 2021-04-20 | 青岛海尔空调器有限总公司 | Updating method and device for air conditioning system |
| CN110388733B (en) * | 2019-07-29 | 2021-11-30 | 广东美的暖通设备有限公司 | Fault risk analysis system and method, air conditioner and computer readable storage medium |
| 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 |
| CN111207484B (en) * | 2019-12-13 | 2021-01-19 | 浙江大学 | Central air-conditioning system fault diagnosis method based on object-oriented Bayesian network |
| CN112254270B (en) * | 2020-09-02 | 2022-05-31 | 海信（山东）空调有限公司 | Air conditioner and air conditioner fault classification processing method |
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