CN109179211A - The methods of exhibiting and device of fault type - Google Patents
The methods of exhibiting and device of fault type Download PDFInfo
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- CN109179211A CN109179211A CN201810975604.6A CN201810975604A CN109179211A CN 109179211 A CN109179211 A CN 109179211A CN 201810975604 A CN201810975604 A CN 201810975604A CN 109179211 A CN109179211 A CN 109179211A
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- component
- fault type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
Abstract
This application discloses a kind of methods of exhibiting of fault type and devices.Wherein, this method comprises: in detection device at least one component status information；The fault type information of at least one component is determined according to status information, wherein include: primary system belonging to level two belonging at least one component and the level two in the fault type information；Show fault type information.The technical issues of present application addresses equipment fault diagnosis low efficiencys at this stage.
Description
Technical field
This application involves field of diagnosis about equipment fault, in particular to the methods of exhibiting and device of a kind of fault type.
Background technique
Capital equipment of the railway breakdown crane as Railway accident rescue is a kind of electromechanical equipment of complexity, by it is mechanical,
Electrically, the different sub-systems composition such as hydraulic, with the continuous upgrading of crane products, necessarily improves the complicated journey of its system
Degree, and system complexity is higher, and when failure, fault identification, the difficulty of positioning are bigger, and railway breakdown crane work
Feature requires to position fault diagnosis quick and accurate.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the present application provides the methods of exhibiting and device of a kind of fault type, at least to solve equipment event at this stage
Hinder the low technical problem of diagnosis efficiency.
According to the one aspect of the embodiment of the present application, a kind of methods of exhibiting of fault type is provided, comprising: detection device
In at least one component status information；The fault type information of at least one component is determined according to status information, wherein the event
Hindering in type information includes: primary system belonging to level two belonging at least one component and the level two；It shows
Fault type information.
Optionally, the fault type information of at least one component is determined according to status information, comprising: be arranged for primary system
The second label is arranged for level two in first label；It is true according to the first label and the second label and the failure label of level two
Determine the fault type information of component, failure label is for identifying the fault type that level two includes.
Optionally, primary system and the first label are one-to-one；Level two is one-to-one with the second label.
Optionally, the fault type letter of component is determined according to the first label and the second label and the failure label of level two
Breath, comprising: arrange the first label and the second label and failure label, according to vertical sequence to determine the failure of component
Type information.
Optionally, in detection device at least one component status information, comprising: obtain component in equipment and execute default appoint
The time of business；Compare the time and preset time, obtains the first comparison result；Whether sent out according to the first comparison result determination component
Raw failure, and status information is determined according to judging result.
Optionally, in detection device at least one component status information, comprising: obtain equipment in component output data
Logical relation between input data；Compare the logical relation and logic of propositions relationship, obtains the second comparison result；According to the
Whether two comparison result determination components break down, and determine status information according to judging result.
Optionally, in detection device at least one component status information, comprising: by the preset failure class of component in equipment
Type input fault tree determines the fault type information of equipment according to fault tree.
Optionally, fault type information is shown, comprising: show that failure label, the failure label are corresponding by man-machine interface
Failure-description information；And/or
When showing fault type information, further includes: display state information.
According to the another aspect of the embodiment of the present application, a kind of methods of exhibiting of fault type is additionally provided, comprising: showing
The state of at least one component and component in interface in presentation device；In the state instruction component failure, and detect
When being directed to the trigger event of component on to displaying interface, the fault type information of component exhibiting, wherein the fault type information packet
It includes: primary system belonging to level two belonging at least one described component and the level two.
According to the another aspect of the embodiment of the present application, a kind of displaying device of fault type is additionally provided, comprising: detection is single
Member, the status information at least one component in detection device；Determination unit, for determining at least one according to status information
The fault type information of component, wherein it include: level two belonging at least one component in the fault type information, and
Primary system belonging to the level two；Display unit, for showing fault type information.
According to the embodiment of the present application in another aspect, additionally providing a kind of storage medium, storage medium includes the journey of storage
Sequence, in program operation, equipment where control storage medium executes the methods of exhibiting of above-mentioned fault type.
According to the embodiment of the present application in another aspect, additionally providing a kind of processor, processor is for running program, program
The methods of exhibiting of above-mentioned fault type is executed when operation.
In the embodiment of the present application, using the status information of at least one component in detection device；It is true according to status information
The fault type information of at least one fixed component, wherein include: second level belonging at least one component in the fault type information
Primary system belonging to system and the level two；The mode for showing fault type information, by one belonging to partitioning component
Grade system and level two in turn classify component faults, have achieved the purpose that quick and precisely positioning failure, have mentioned to realize
The technical effect of high equipment fault diagnosis efficiency, and then solve the technical issues of equipment fault diagnosis low efficiency at this stage.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the flow chart according to a kind of methods of exhibiting of fault type of the embodiment of the present application；
Fig. 2 is the flow chart according to a kind of method of detection device component status information of the embodiment of the present application；
Fig. 3 is the flow chart according to the method for another detection device component status information of the embodiment of the present application；
Fig. 4 is the schematic diagram according to a kind of method of detection device component status information of the embodiment of the present application；
Fig. 5 is the signal of the system fault diagnosis range and classification according to a kind of breakdown crane of the embodiment of the present application
Figure；
Fig. 6 a is the schematic diagram that interface is shown according to a kind of fault message of the embodiment of the present application；
Fig. 6 b is the schematic diagram according to a kind of method for showing fault type by visualization interface of the embodiment of the present application；
Fig. 7 is a kind of digital input circuit (Digital In, abbreviation with diagnostic function according to the embodiment of the present application
DI) the circuit connection diagram of port；
Fig. 8 is the flow chart according to the methods of exhibiting of another fault type of the embodiment of the present application；
Fig. 9 is the structure chart according to a kind of displaying device of fault type of the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application 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 embodiments herein 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 the embodiment of the present application, a kind of embodiment of the methods of exhibiting of fault type is provided, it should be noted that
The step of process of attached drawing illustrates can execute in a computer system such as a set of computer executable instructions, also,
It, in some cases, can be to be different from shown in sequence execution herein although logical order is shown in flow charts
The step of out or describing.
Fig. 1 is according to a kind of flow chart of the methods of exhibiting of fault type of the embodiment of the present application, as shown in Figure 1, the party
Method includes the following steps:
Step S102, the status information of at least one component in detection device；
According to the application alternative embodiment, equipment is railway breakdown crane, and railway breakdown crane includes machine
The systems such as tool, electrical, hydraulic, air control, each system include different components again, the state of at least one component in detection device
Information is whether the component in each system for detect crane breaks down.
In some alternative embodiments of the application, step S102 is realized by following methods:
Fig. 2 is according to a kind of flow chart of the method for detection device component status information of the embodiment of the present application, such as Fig. 2 institute
Show, method includes the following steps:
Step S202 obtains the time that component in equipment executes preset task.
Step S204 compares the time and preset time, obtains the first comparison result.
Whether step S206 breaks down according to the first comparison result determination component, and determines state according to judging result
Information.
According to the application alternative embodiment, method of the above-mentioned steps S202 into step S206 is that one kind is based on patrolling
Volume method for diagnosing faults, the component in each system of crane, which executes a preset task, regular hour limit, when
The time that the actually detected component arrived executes preset task needs is more than preset time threshold, illustrates that the component is deposited
In failure, fault alarm signal is issued.
Fig. 3 is according to the flow chart of the method for another detection device component status information of the embodiment of the present application, such as Fig. 3
It is shown, method includes the following steps:
Step S302 obtains the logical relation in equipment between the output data and input data of component.
Step S304 compares the logical relation and logic of propositions relationship, obtains the second comparison result；
Whether step S306 breaks down according to the second comparison result determination component, and determines state according to judging result
Information.
In some alternative embodiments of the application, stating method of the step S302 into step S306 is that another kind is based on patrolling
Volume method for diagnosing faults, there are certain logics between the output data and input data of the component in each system of crane
Relationship, when logical relation is normal, the state of logical relation is " 0 ", shows that the component operation in system is normal, works as logical relation
State be " 1 " when, show the component failure in system.The abnormal conditions for working out most common failure, when logical relation state
When for " 1 ", failure cause is shown, when being more than the limiting value that preset system allows such as analog signals value, show that equipment occurs
Failure.
Fig. 4 is according to a kind of schematic diagram of the method for detection device component status information of the embodiment of the present application, such as Fig. 4 institute
Show it is a kind of method by fault tree diagnostic device failure.
Failure tree analysis (FTA) is also known as event tree analysis, is most important analysis method in safety system engineering.Event tree analysis
Since a possible accident, the immediate cause and remote cause and indirectly former of top event are found from top to bottom, in layers
Because of event, the logical relation between these events is expressed until fundamental cause event, and with logic chart.
For Fig. 4 by taking crane hook raising fault tree as an example, it is usually to be inputted by signal that suspension hook raising failure, which occurs, for crane
Failure, signal output failure and hydraulic system fault cause, wherein signal input fault is by operation handle failure and outer lines
Road failure causes；Signal exports failure by controller failure, output port failure, logic control prompt failure and outside line event
Barrier causes；Hydraulic system fault is generally abnormal by system pressure and solenoid valve failure causes.As shown in Figure 4 it is found that by crane
The immediate cause and remote cause of suspension hook raising most common failure are incorporated into fault tree, can be convenient fault diagnosis system from top to down,
Investigation finds the basic reason of crane hook raising failure from level to level.
Step S104 determines the fault type information of at least one component according to status information, wherein fault type letter
It include: primary system belonging to level two belonging at least one component and the level two in breath；
In some alternative embodiments of the application, step S104 passes through following steps and realizes: for primary system setting the
The second label is arranged for level two in one label；It is determined according to the first label and the second label and the failure label of level two
The fault type information of component, failure label is for identifying the fault type that level two includes.
In some alternative embodiments of the application, primary system is one-to-one with the first label；Level two with
Second label is one-to-one.
Failure label according to the application alternative embodiment, according to the first label and the second label and level two
Determine the fault type information of component, comprising: by the first label and the second label and failure label according to vertical sequence
Arrangement, to determine the fault type information of component.
Fig. 5 is the signal of the system fault diagnosis range and classification according to a kind of breakdown crane of the embodiment of the present application
Figure, as shown in figure 5, railway breakdown crane system fault diagnosis range specifically includes that dynamical system P, control system C, safety
System S and communication system M.Wherein, dynamical system P includes: diesel engine system M, hydraulic system H and air pressure system A；Control system
C includes: controller C, sensor S, solenoid valve A, logic control L, periphery circuit P；Security system S include: power limit device system L and
Safety warning system Q；Communication system M includes bus system B.These control unit function opposite independents, itself have failure and examine
Disconnected function, and fault code, failure cause and fault resolution are provided.For crane primary system and each primary system institute
The level two difference label for including, to complete the classification for the failure that above system includes, by failure modes, with different events
Hinder the failure that code prefix identifies not homologous ray, facilitates the quick fixation and recognition fault zone of crane maintenance personnel.Such as Fig. 5 institute
Show, for example fault code is PM beginning, explanation is the failure of diesel engine system M.It is to indicate different with two letter prefix in Fig. 5
Fault category, can also with it is digital or it is digital be incorporated as prefix with letter, specific representation method can be selected flexibly.
By using above-mentioned failure distribution method can quickly positioning crane fault type.
Crane system includes multiple functional control units (subsystem), as Diesel Engine Control unit, power limit device control are single
Member, these control unit function opposite independents itself have fault diagnosis functions (expert system), and provide fault diagnosis generation
Code, failure cause and the solution table of comparisons limit device fault code table and explanation as shown in table 1 for power.After failure modes,
It can be directly by crane fault diagnosis system institute plus corresponding letter prefix before intelligent control unit fault code
With convenient and efficient.
Table 1
Step S106 shows fault type information.
In some alternative embodiments of the application, step S106 is realized by the following method: being shown by man-machine interface
The corresponding failure-description information of failure label, failure label；And/or the status information of presentation device.
The quick indexing that fault code is realized by human-computer interaction interface, with the development of human interface devices, high-performance,
The touch screen stored greatly is gradually applied in engineering machinery field, by all corresponding failure solutions of fault code and fault code
It releases and troubleshooting method is all stored in and touches in screen display device, Fig. 6 a is a kind of failure according to the embodiment of the present application
Information shows the schematic diagram at interface, as shown in Figure 6 a, when showing the prompt of equipment failure code, it is direct to click fault code
Corresponding fault code is indexed to explain and troubleshooting method entry.
According to the application alternative embodiment, by the status information of visual page presentation device, for example, passing through
The state of the devices such as sensor, operation handle, controller in visualization interface display system, when device breaks down, can
Depending on changing for indicating that the color of the icon of the device can change on interface, so that event occurs for the prompting maintenance personnel device
Barrier, while visualization interface can directly prompt fault code, by touch-control fault code can the specific failure explanation of direct index and
Solution.
In some alternative embodiments of the application, the controller local area network in electrical system is shown in the display interface
(Controller Area Network, abbreviation CAN) bus monitoring, monitoring bus apparatus, such as controller, sensor the earth's core
Jump state quickly positions faulty CAN node in bus.
Fig. 6 b be according to the embodiment of the present application it is a kind of by visualization interface show fault type method schematic diagram,
Such as Fig. 6 b, the size of the current value of the port I/O output is shown in the display interface, the port I/O is judged by the variation of current value
Outside line whether electric fault occurs.
According to the application alternative embodiment, the automatically controlled action logic of vehicle is shown in the display interface, for example show
The state of solenoid valve plays a booster action to the fault diagnosis of crane system
In addition, in visualization interface failure can also be promoted using diversified forms such as topological diagram, dynamic icon and texts
Display effect.
Through the above steps, by a variety of visual display devices, the fault diagnosis of auxiliary hoist system is maintained easily
Personnel's quick and precisely positioning system failure.
Step S102 to step S106 is that itself have failure using Diesel Engine Control unit, power limit device control unit etc. to examine
The method for diagnosing faults of the intelligent cell of disconnected function, in the intelligent cell for making full use of crane itself to have fault diagnosis functions
Under the premise of, the control of abundant digging lifting machine control system (Programmable Logic Controller, abbreviation PLC)
The diagnostic function of device, PLC possess Hardware self-diagnosis function, can detect itself input/output (Input/Output, letter automatically
Claim I/O) module, the state of communication module, it can realize that I/O port peripheral line fault detects in conjunction with external devices and software program
(to power supply short circuit, shorted to earth, open circuit).
Fig. 7 is a kind of digital input circuit (Digital In, abbreviation with diagnostic function according to the embodiment of the present application
DI) the circuit connection diagram of port, as shown in fig. 7, by configuring two adaptation resistance, cooperation software program can realize this end
Mouth peripheral circuit fault diagnosis.If to power supply UB open circuit occurs for DI port peripheral circuit, the resistance value for being connected to the port DI is
The sum of the resistance value of resistance R1 and R2；If to power supply UB short circuit occurs for DI port peripheral circuit, it is connected to the resistance value of the port DI
For the resistance value of resistance R2.
Through the above steps, itself has the fault diagnosis of the intelligent cell of diagnostic function in the system using crane
Under the premise of mode, different fault diagnosis method is flexibly used, has reached following technical effect: may be implemented quickly to position lifting
The fault type of device, in order to which maintenance personnel debugs in time；By different fault diagnosis method, crane failure is improved
The ability of diagnosis；The positioning result that failure is shown by visualization interface abundant, maintains easily personnel and quickly excludes crane
Failure.
Fig. 8 is according to the flow chart of the methods of exhibiting of another fault type of the embodiment of the present application, as shown in figure 8, should
Method includes:
S802, the state of at least one component and component in showing interface in presentation device.
S804 in above-mentioned state instruction component failure, and detects the triggering thing for showing and being directed to the component on interface
When part, the fault type information of component exhibiting, wherein the fault type information includes: second level system belonging at least one component
Primary system belonging to system and the level two.
In some alternative embodiments of the application, by the status information of visual page presentation device, for example, passing through
The state of the devices such as sensor, operation handle, controller in visualization interface display system, when device breaks down, can
Depending on changing for indicating that the color of the icon of the device can change on interface, so that event occurs for the prompting maintenance personnel device
Barrier, visualization interface can directly prompt fault code, and show system belonging to fault code；When event occurs in visualization interface
Hinder code prompt when, click fault code, by touch-control fault code can the specific failure of direct index address and solve measure.
It should be noted that the preferred embodiment of embodiment illustrated in fig. 8 may refer to Fig. 6 a and Fig. 6 b illustrated embodiment
Associated description, details are not described herein again.
Fig. 9 is according to a kind of structure chart of the displaying device of fault type of the embodiment of the present application, as shown in figure 9, the dress
It sets, comprising:
Detection unit 90, the status information at least one component in detection device.
Determination unit 92, for determining the fault type information of at least one component according to status information, wherein the failure
It include: primary system belonging to level two belonging at least one component and the level two in type information.
Display unit 94, for showing fault type information.
It should be noted that the preferred embodiment of embodiment illustrated in fig. 9 may refer to Fig. 1 to embodiment illustrated in fig. 9
Associated description, details are not described herein again.
The embodiment of the present application also provides a kind of storage medium, storage medium includes the program of storage, wherein is transported in program
The methods of exhibiting of fault type where controlling storage medium when row more than equipment execution.
Above-mentioned storage medium is used to store the program for executing following functions: the state letter of at least one component in detection device
Breath；The fault type information of at least one component is determined according to status information, wherein include: at least in the fault type information
Primary system belonging to level two belonging to one component and the level two；Show fault type information.
The embodiment of the present application also provides a kind of processor, processor is for running program, wherein holds in program operation
The methods of exhibiting of fault type more than row.
Above-mentioned processor is used to execute the program for realizing following functions: the state letter of at least one component in detection device
Breath；The fault type information of at least one component is determined according to status information, wherein include: at least in the fault type information
Primary system belonging to level two belonging to one component and the level two；Show fault type information.
Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
In above-described embodiment of the application, all emphasizes particularly on different fields to the description of each embodiment, do 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, each functional unit in each embodiment of the application can integrate in 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, the technical solution of the application 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 application 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 the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (12)
1. a kind of methods of exhibiting of fault type characterized by comprising
The status information of at least one component in detection device；
The fault type information of at least one component is determined according to the status information, wherein in the fault type information
It include: primary system belonging to level two belonging at least one described component and the level two；
Show the fault type information.
2. the method according to claim 1, wherein determining at least one described component according to the status information
Fault type information, include:
The first label is set for the primary system, the second label is set for the level two；
Failure label according to first label and the second label and the level two determines the fault type of the component
Information, the failure label is for identifying the fault type that the level two includes.
3. according to the method described in claim 2, it is characterized in that, the primary system and first label are to correspond
's；The level two is one-to-one with second label.
4. according to the method described in claim 2, it is characterized in that, according to first label and the second label and the second level
The failure label of system determines the fault type information of the component, comprising: by first label and the second label and described
Failure label is arranged according to vertical sequence, with the fault type information of the determination component.
5. the method according to claim 1, wherein in detection device at least one component status information, packet
It includes:
Obtain the time that component described in equipment executes preset task；
Compare the time and preset time, obtains the first comparison result；
Judge whether the component breaks down according to first comparison result, and determines the state letter according to judging result
Breath.
6. the method according to claim 1, wherein in detection device at least one component status information, packet
It includes:
Obtain the logical relation between the output data and input data of component described in equipment；
Compare the logical relation and logic of propositions relationship, obtains the second comparison result；
Judge whether the component breaks down according to second comparison result, and determines the state letter according to judging result
Breath.
7. the method according to claim 1, wherein in detection device at least one component status information, packet
It includes: by the preset failure type input fault tree of component in the equipment, the failure of the equipment is determined according to the fault tree
Type information.
8. according to the method described in claim 2, it is characterized in that,
Show the fault type information, comprising: show that the failure label, the failure label are corresponding by man-machine interface
Failure-description information；And/or
When showing the fault type information, the method also includes: show the status information.
9. a kind of methods of exhibiting of fault type characterized by comprising
The state of at least one component and the component in showing interface in presentation device；
The component failure described in the state instruction, and detect the triggering thing that the component is directed on the displaying interface
When part, the fault type information of the component is shown, wherein the fault type information includes: belonging at least one described component
Level two and the level two belonging to primary system.
10. a kind of displaying device of fault type characterized by comprising
Detection unit, the status information at least one component in detection device；
Determination unit, for determining the fault type information of at least one component according to the status information, wherein the event
It include: primary system belonging to level two belonging at least one described component and the level two in barrier type information；
Display unit, for showing the fault type information.
11. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein described program right of execution
Benefit require any one of 1 to 9 described in fault type methods of exhibiting.
12. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 9 described in fault type methods of exhibiting.
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| CN201810975604.6A CN109179211A (en) | 2018-08-24 | 2018-08-24 | The methods of exhibiting and device of fault type |
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| CN201810975604.6A CN109179211A (en) | 2018-08-24 | 2018-08-24 | The methods of exhibiting and device of fault type |
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| CN111115456A (en) * | 2019-12-31 | 2020-05-08 | 博睿斯重工股份有限公司 | Crane remote diagnosis system and fault diagnosis method in clean environment |
| CN113452542A (en) * | 2020-03-27 | 2021-09-28 | 华为技术有限公司 | Fault detection method and equipment |
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