CN107480797A - A kind of LNG filling machines fault diagnosis removal system and its operating method - Google Patents
A kind of LNG filling machines fault diagnosis removal system and its operating method Download PDFInfo
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Abstract
The invention discloses a kind of LNG filling machines fault diagnosis removal system and its operating method, including electronics controlling device, electronics controlling device is provided with circuit board, circuit board is provided with master control borad, indicator lamp, the positioning identification point of more than three, master control borad is also connected with display screen, intelligent terminal respectively, intelligent terminal includes image collection module, picture recognition module, database module, diagnostic module, input module, enquiry module, and diagnostic module is connected with image collection module, database module, wireless communication module, input module, enquiry module respectively.LNG filling machines diagnosis and elimination of breakdown system described in the technical program, operating personnel are in the case of operating experience is lacked, the exclusion of failure is completed according to the prompting of intelligent terminal, the position of especially LNG filling machines installation is remote, when follow-up service can not track, operating personnel in this way, can carry out fault diagnosis and exclusion to LNG filling machines in time, make failure machine resume production in time.
Description
Technical field
The invention belongs to LNG Technology field, specifically a kind of LNG filling machines fault diagnosis removal system and its
Operating method.
Background technology
The equipment such as LNG filling machines, CNG filling machines, fuel charger are to provide fuel to fuel automobile to fill service, and with meter
The special equipment of amount and valuation functions, while aerating gas station key equipment is fallen within, it is generally used by electronics controlling device, metering
Flowmeter, control valve and its auxiliary equipment are formed;The kind equipment is typically mounted at open air, bad environments, usual equipment 24 hours
Live line work, long operational time;Thus the kind equipment is easier to break down, especially electronics controlling device category electronic product, occurs
The probability of failure is larger, is used once breaking down and will influence functions of the equipments, even results in the stoppage in transit of aerating gas station, will cause one
Determine economic loss;Therefore the fault diagnosis to the kind equipment and its promptness of maintenance service require very high, and the kind equipment
Belong to Special professional equipment, higher, general refueling station employee is required to the professional skill of equipment fault diagnosis and its maintenance
This work generally can not be competent at, therefore with regard to the after-sale service work generally use scene after-sale service or long-range of the kind equipment
Telephone guidance service or two kinds of modes being combined are carried out.Wherein live after-sale service need to just set in supply of material region and take after sale
It is engaged in site, in view of gas station, gas station's arrangement are general all more disperseing, especially LNG filling machines are usually placed in more remote
Place, or even foreign countries are also exported to, these factors set to after-sale service site and bring larger difficulty.Service network is more, after sale
Service radius is small, and service is ageing just high, but after-sale service operation total cost correspondingly improves;Service network is few, after-sale service
Radius is big, and after-sale service operation total cost is low, but services poor in timeliness;And remote telephony services mode is generally limited to link up
The factors such as the professional skill of voice and its site operation personnel, the accuracy and promptness of after-sale service are also a greater impact.
Equipment after-sale service quality is low will to influence even to limit the supplier in the region or the sale of other region subsequent products, exported country
Outside, even more impossibility.
For above-mentioned factor, there is provided a kind of LNG filling machines fault diagnosis removal system and its operating method.
The content of the invention
It is an object of the invention to:For existing LNG filling machines, CNG filling machines due to position that it is installed is remote, point
Dissipate, when breaking down, operating personnel are due to the experience for being short in understanding and its repairing to equipment, it is difficult to be tieed up to equipment
Repair, so as to influence the technical problems such as the normal use of the kind equipment, now provide a kind of LNG filling machines fault diagnosis removal system,
LNG filling machines are combined with intelligent terminal, are set on the circuit board of LNG filling machines and are more than or equal to 3 identification points and indicator lamp, led to
The image for obtaining circuit board is crossed, and is handled by the picture recognition module of intelligent terminal, so that it is determined that fault point, root
According to fault point, the diagnostic module of intelligent terminal transfers troubleshooting methodology, step from database module, so as to solve by
It is remote in the position of equipment installation, influence the technical problems such as the kind equipment normal use.
Another object of the present invention is to:A kind of operating method of LNG filling machines fault diagnosis removal system is provided, scene
Staff by the way that the failure code of LNG filling machines, device numbering information are input in intelligent terminal, intelligent terminal transfer with
Functional diagnosis module corresponding to model, functional diagnosis module are analyzed according to the image of the circuit board of collection, fault point,
According to fault point, so as to transfer corresponding troubleshooting methodology, operator according to troubleshooting methodology can operate
Into failture evacuation, whole operation procedure structure is simple, and operating personnel can also complete phase in the case where lacking experience, according to prompting
It should operate.
The present invention is achieved through the following technical solutions:A kind of LNG filling machines fault diagnosis removal system, including electrometer control
Device, electronics controlling device are provided with circuit board, and circuit board is provided with master control borad, indicator lamp, more than 3 positioning identification points, master control borad
Also be connected respectively with display screen, intelligent terminal, intelligent terminal include image collection module, picture recognition module, database module,
Diagnostic module, input module, enquiry module, diagnostic module respectively with image collection module, database module, radio communication mold
Block, input module, enquiry module connection;
Display screen, the information to be broken down for showing LNG filling machines;
Input module, for the fault message shown on LNG filling machines, LNG plant number information to be input into intelligent end
In end;
Enquiry module, for according to failure, the facility information for receiving LNG filling machines, sending and transferring to database module
The hardware of model LNG filling machines, software version number order;
Image collection module, for shooting the master control borad of the LNG filling machines to break down, and by the image transmitting to image
Identification module;
Picture recognition module, for according to the positioning identification point identification master control borad classification on master control borad and the side of image taking
To, and the recognition result is transferred to diagnostic module;
Diagnostic module, for analyzing the working condition of indicator lamp according to picture recognition module recognition result, and according to instruction
The working condition of lamp, confirm fault point;
Database module, for receiving the instruction of diagnostic module, transfer the failture evacuation side proposed according to fault point
Method and step.
Wherein, the intelligent terminal described in the technical program is to be built in LNG filling machines there is fault diagnosis to exclude function
APP.Image in intelligent terminal obtains film block, is that LNG filling machine parts are shot, then gives the image transmitting of shooting
Picture recognition module;Picture recognition module carries out characterization to the image captured by image collection module, according to indications
Or positioning identification point or the identification of valve rod actuating length, and the recognition result is transferred to diagnostic module;Diagnostic module is according to failure
Phenomenon, failure code and device numbering, filling machine characteristic is extracted, perform corresponding preset diagnostic process, calling figure picture
Acquisition module needs the image of deagnostic package, and picture recognition module is carried out into image recognition, and carrying out failure according to recognition result examines
Disconnected, analysis and fault point, the expert advice database inquired about according to trouble point in database module, export troubleshooting side
Case and its troubleshooting steps and failture evacuation operating method.Wherein, filling machine characteristic can be LNG filling machine characteristics
According to referring to the preparation information of LNG filling machines, assembly information, function information etc., use when carrying out fault diagnosis for diagnostic module.
Concrete operations flow is:After failure, work(will occurs in LNG filling machines to LNG filling machines in the technical program
Certain phenomenon of the failure is presented in energy exception or failure, the part that its display screen automatic will show failure code or LNG filling machines.Scene
Operating personnel input device numbering, failure code or phenomenon of the failure to intelligent terminal, and the diagnostic module of intelligent terminal is by looking into
Hardware, software version number and corresponding characteristic that module calls device numbering corresponds to LNG filling machines are ask, then according to soft or hard
Version number and failure code or phenomenon, corresponding diagnostic process is transferred automatically and performs fault diagnosis.Such as sent to image collection module
Need the image information of diagnostic circuit plate or valve or flowmeter, image collection module can be the mobile phone with image photographic function,
Camera, by the image transmitting after taking pictures to picture recognition module, picture recognition module carries out image characterization processing, to taking pictures
Direction character processing, to taking pictures, unit type is identified, and LED status or valve rod operating state are identified;Then,
The characteristic of the recognition result of picture recognition module and LNG filling machines is analyzed, such as LED status and LNG aeratings
Indicated state is inconsistent during machine normal work is positioned as trouble point, or valve rod operating state with normal operating conditions is inconsistent can
It is positioned as failsafe valve point;The last fault solution and its failure prefabricated accordingly according to the trouble point navigated to output
Operating method and step are excluded, site operation personnel carries out failture evacuation operation according to fault solution.
Preferably, the positioning identification point of more than three connects into more than or equal to more than two straight lines intersected.Positioning mark
Point is preset on circuit boards, and the number for positioning identification point is more than three.
Preferably, the electronics controlling device, which is provided with, is more than or equal to two circuit boards.Electronics controlling device is in LNG filling machines
Conventional equipment, be well known to those skilled in the art, be no longer described in detail.
Preferably, the indicator lamp is luminous indicating lamp, and luminous indicating lamp is civil power indicator lamp, power supply indicator, flow
Metering communication indicator lamp, one kind in Valve controlling indicator lamp and the combination more than or equal to two kinds.
The species of luminous indicating lamp is set according to the functional requirement of each circuit board in the technical program, for regard to circuit board
Working condition or operational process state carry out feature instruction, as civil power indicator lamp is also known as line voltage indicator lamp, DC5V/
DC3.3V/DC24V voltage indicator lamps, flowmeter supply voltage indicator lamp, flowmeter communication indicator lamp, processor operation instruction
Lamp, processor operation troubles indicator lamp, one kind in Valve controlling indicator lamp or the combination more than or equal to two kinds.
Preferably, the intelligent terminal is mobile phone.
Preferably, the database module includes LNG filling machines property data base, expert advice database, LNG filling machines
Maintenance protection information database;
LNG filling machine property data bases, for storing LNG component informations, fault characteristic information and possessing query function;
Expert advice database, for storing expert to the treatment advice of LNG filling machine failures and possessing query function;
LNG filling machine maintenance protection information databases, for storing the maintenance, repair record information of registration LNG filling machines
And possesses query function.
Preferably, the master control borad is also associated with power supply, and electric energy is provided for master control borad.Wherein electronics controlling device is also associated with
Power supply, electric energy is provided for the filling machine part such as each circuit board, flowmeter and magnetic valve.
Another object of the present invention is to:A kind of operating method of LNG filling machines fault diagnosis removal system is provided, including
Following operating procedure:
1) display screen of LNG filling machines shows fault message;
2) the device numbering information of LNG filling machines is inputted on intelligent terminal;
3) diagnostic module of intelligent terminal obtains the software and hardware version information of LNG filling machines by enquiry module;
4) the diagnostic module startup separator diagnostic function of intelligent terminal, and send collection LNG aeratings to image collection module
The instruction of mounted circuit board image;
5) LNG aerating mounted circuit boards are taken pictures, and by image transmitting to picture recognition module;
6) picture recognition module indicates the working condition and database of point, indicator lamp according to the positioning of circuit board row in image
Reference circuit plate image in module analyzes, and obtains fault point;
7) diagnostic module of intelligent terminal transfers troubleshooting methodology according to fault point, and shows;
8) operated according to the troubleshooting methodology of display, complete failture evacuation.
Preferably, the display screen of LNG filling machines shows fault message for display failure code in the step 1).
Preferably, device numbering in the device numbering information of LNG filling machines is inputted in the step 2) on intelligent terminal
Information is LNG plant numbering, failure code information.
The present invention compared with prior art, has the following advantages and advantages:
(1) the technical program is according to the failure code of the display screen display of LNG filling machines, the input module of intelligent terminal
Input fault code, transfers hardware, the software version number of LNG filling machines from database module, and image collection module can basis
The circuit board image of the corresponding LNG filling machines of version number's collection of LNG filling machines, the circuit board image are handled through picture recognition module
The working condition of indicator lamp is obtained, according to the working condition of indicator lamp, determines fault point.
(2) by setting database module in the technical program, after fault point is confirmed, diagnostic module can be from data
The solution and its operating procedure and method for solving corresponding trouble point are transferred in library module.
(3) the LNG filling machine diagnosis and elimination of breakdown systems described in the technical program, operating personnel are lacking corresponding technical ability
In the case of, the exclusion of failure can be still completed according to the prompting of intelligent terminal, the position of especially LNG filling machines installation is remote,
When can not obtain timely after-sale service, operating personnel in this way, can be carried out to the failure situation of LNG filling machines in time
Exclude, ensure the normal operation of filling machine.
(4) the LNG diagnosis and elimination of breakdown system and its operating method described in the technical program, during actual use, without
After-sale service personnel are shifted to scene, can not possess maintenance of equipment professional skill situation directly by device context operating personnel
Under, fault diagnosis is voluntarily carried out to equipment and is excluded, shortens the equipment fault time, makes equipment put into production in time;Save simultaneously
After-sale service running cost is paid wages, and lifts after-sale service quality.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic block diagram of electronics controlling device in the present invention;
Fig. 2 is the structural representation of circuit board in the present invention;
Fig. 3 is the structural schematic block diagram of the present invention;
Fig. 4 is the flow chart of heretofore described operating method;
Fig. 5 is electrometer control plate and flowmeter display schematic diagram in the present invention;
Wherein:1- positions identification point, 2-circuit board, 3- indicator lamps.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of LNG filling machines fault diagnosis removal system, including electronics controlling device, electrometer
Control device is provided with circuit board 2, and circuit board 2 is provided with master control borad, indicator lamp 3, more than 3 positioning identification points 1, and master control borad is also distinguished
It is connected with display screen, intelligent terminal, intelligent terminal includes image collection module, picture recognition module, database module, diagnosis mould
Block, input module, enquiry module, diagnostic module respectively with image collection module, database module, input module, enquiry module
Connection;The master control borad model LCNG_MC V2.0 used in the present embodiment, the intelligent terminal of use are built in LNG filling machines
Portion, there is fault diagnosis to exclude function;
Display screen, the information to be broken down for showing LNG filling machines;
Input module, for the fault message shown on LNG filling machines, LNG plant number information to be input into intelligent end
In end;
Enquiry module, for according to failure, the facility information for receiving LNG filling machines, sending and transferring to database module
The hardware of model LNG filling machines, software version number order;
Image collection module, for shooting the master control borad of the LNG filling machines to break down, and by the image transmitting to image
Identification module;
Picture recognition module, for according to the positioning identification point identification master control borad classification on master control borad and the side of image taking
To, and the recognition result is transferred to diagnostic module;
Diagnostic module, for analyzing the working condition of indicator lamp according to picture recognition module recognition result, and according to instruction
The working condition of lamp, confirm fault point;
Database module, for receiving the instruction of diagnostic module, transfer the failture evacuation side proposed according to fault point
Method and step.
Master control borad is also connected with power supply.
LNG filling machines include electronics controlling device, flowmeter, process valve in the present embodiment, and wherein electronics controlling device includes
Circuit board 2, circuit board 2 are provided with master control borad, positioning identification point 1, indicator lamp 3, wherein, set on circuit board more than 3
Identification point 1 is positioned, intelligent terminal will correctly indicate shape according to the validation of information circuit board indicator lamp position of circuit board and indicator lamp
State, the indicator lamp 3 for functional requirement is preset on every kind of circuit board.
Wherein, the master control borad in LNG filling machines is connected with intelligent terminal, then specific work process is:Go out in LNG filling machines
During existing failure, master control borad shows fault message by the display screen of LNG filling machines, concretely two ways, 1) display failure
Code, operating personnel in APP, specifically can also input LNG according to corresponding to the prompting of the failure code of display is input to intelligent terminal
The device numbering and failure code information of filling machine;2) the failure situation that operating personnel show according to LNG filling machines, at intelligent end
It is corresponding in end to confirm the possible phenomena of the failure of LNG, and the device numbering letter of LNG filling machines is inputted according to prompting in intelligent terminal
Breath.After the diagnostic module of intelligent terminal receives corresponding number information, according to the device numbering information of the LNG filling machines of input
Sent to enquiry module and transfer LNG filling machine device hardwares version number, software version number, enquiry module is by corresponding feedback of the information
To diagnostic module, diagnostic module starts to handle the failure of appearance according to the facility information of the LNG filling machines of acquisition, first
Send and acquisition image command is carried out to LNG filling machines, the circuit board of corresponding model can be gathered by mobile phone or other photographing devices
Image, image collection module enter the image transmitting of acquisition to picture recognition module, picture recognition module to the image of circuit board
Row Intelligent Recognition and analysis, and according to the positioning identification point on image identify the type of circuit board and the direction of image taking,
The state confirmation fault point of indicator lamp, diagnostic module are transferred corresponding failure into database module according to fault point and asked
The solution method of topic, and shown by display screen, operating personnel can be operated according to solution method, complete failure row
Remove.
Wherein, the effect similar process device of diagnostic module described in the present embodiment, wherein processor model are Pentium
Extreme Edition.Image collection module can be shooting mobile phone, and the specific works mode of picture recognition module is:By image
The image of acquisition module collection and the standard picture of database module storage are scanned comparative analysis, for example position identification point
Position, the working condition of indicator lamp, confirm anomalies occur after contrast, so as to confirm produced problem.Wherein, input module
For keyboard.
Embodiment 2:
The present embodiment and the difference of embodiment 1 are:Positioning identification point more than three connect into more than or equal to two with
The straight line of upper intersection.Preset three position being arranged to not on the same line for identification point on circuit board.To fixed in this implementation
The setting of bit identification point, according to 3 points of not conllinear principles that can determine a plane, preset three positioning on circuit board 2
Identification point is arranged to not on a straight line.According to position identification point in image can be further determined that in the image
Corresponding circuit board name, the preset indicator lamp quantity of the circuit board 2, instruction can be inquired in LNG filling machines property data base
Lamp location coordinate information, the information corresponding to LED status, by the information inquired with image information one by one to each finger
Show that the instruction state of lamp is compared, it is inconsistent such as to there is LED status, then it is assumed that the list corresponding to the indicator lamp
There is failure in member or part or function, further can fault point.
Positioning identification point 1 described in the present embodiment is provided on circuit board 2, using between the host material of circuit board
There is the copper round dot of high-contrast, the diameter of positioning identification point 1 is more than 2mm, the positioning identification point set on each circuit board 2
1 position coordinates is different, and corresponding each circuit board 2 is different, and the positional information of the positioning identification point 1 is stored in LNG aeratings
Diagnostic module query calls are supplied in machine property data base.
Embodiment 3:
The difference of the present embodiment and above-described embodiment is:The electronics controlling device, which is provided with, is more than or equal to two circuits
Plate.The number of the circuit board set on electronics controlling device is more than or equal to two, and circuit board is carried out to the various functions of LNG filling machines
Control.In the course of the work, after the diagnostic module of intelligent terminal obtains the software of LNG filling machines, hardware version numbers, start to open
The image of motion video acquisition module corresponding circuits plate is acquired, therefore the circuit board image obtained is corresponding circuits plate.
The indicator lamp is luminous indicating lamp, and luminous indicating lamp is civil power indicator lamp, power supply indicator, flow measurement communication
Indicator lamp, one kind in Valve controlling indicator lamp and the combination more than or equal to two kinds.
The indicator lamp of multiple functions is provided with circuit board, image collection module is acquired to circuit board image, also
The working condition of indicator lamp on circuit board can be obtained simultaneously, and picture recognition module can be according to the working condition of the indicator lamp on image
Standard picture with being stored in database module is analyzed, and the distinctive points of indicator lamp working condition is confirmed, so as to identify
It has the failure being likely to occur.
The database module includes LNG filling machine handbook datas storehouse, expert advice database, LNG filling machines maintenance guarantor
Protect information database;
LNG filling machine handbook datas storehouse, for storing LNG filling machines handbook and possessing query function;
Expert advice database, for storing expert to the treatment advice of LNG filling machine failures and possessing query function.
The effect of database module is identical with memory effect, is stored with the work of circuit board under the normal operating conditions of standard
Make image, LNG filling machines correspond to the solution of failure.
Embodiment 4:
The difference of the present embodiment and above-described embodiment is:The intelligent terminal is mobile phone.Intelligent terminal can also be IPAD,
Other smart machines such as mobile phone.
Embodiment 5:
As shown in figure 4, a kind of operating method of LNG filling machines fault diagnosis removal system, including following operating procedure:
1) display screen of LNG filling machines shows fault message;
2) the device numbering information of LNG filling machines is inputted on intelligent terminal;
3) diagnostic module of intelligent terminal obtains the software and hardware version information of LNG filling machines by enquiry module;
4) the diagnostic module startup separator diagnostic function of intelligent terminal, and send collection LNG aeratings to image collection module
The instruction of mounted circuit board image;
5) LNG aerating mounted circuit boards are taken pictures, and by image transmitting to picture recognition module;
6) picture recognition module indicates the working condition and database of point, indicator lamp according to the positioning of circuit board row in image
Reference circuit plate image in module analyzes, and obtains fault point;
7) diagnostic module of intelligent terminal transfers troubleshooting methodology according to fault point, and shows;
8) operated according to the troubleshooting methodology of display, complete failture evacuation.
Wherein, the display screen of LNG filling machines shows fault message as display failure code in the step 1), the operation
Purpose be the LNG filling machines that will appear from failure phenomenon of the failure or LNG filling machines in the failure code that shows be input to intelligent end
In APP corresponding to end, specific input mode is by keyboard or phonetic entry, realizes LNG filling machines and intelligence during this
The interactive connection of the communication of terminal.
Wherein, device numbering in the device numbering information of LNG filling machines is inputted in the step 2) on intelligent terminal to believe
Cease for LNG plant numbering, failure code information.
The operating method of LNG filling machines described in the present embodiment, the staff of gas station, will according to this operating method
LNG aerating machine equipments are used in combination with intelligent terminal, for inexperienced employee, the conventional event that can also occur to LNG gas stations
Barrier is excluded, and does not influence the normal use of LNG filling machines, and it is all to extend using for LNG filling machines to a certain extent
Phase.
Embodiment 6:
It is as follows to the diagnostic operation of the specific phenomenon of the failure of appearance by taking specific embodiment as an example, when aerating operates, electronics
The fault message of the display screen display of controlling device is failure code " 31 ", and the code characterizes electrometer control device and flowmeter
There is communication abnormality in RS485.
Accident analysis, it is as follows for above-mentioned phenomenon of the failure, likelihood of failure:
1) flowmeter interface board power supply output failure, no output or output voltage are low;
2) flowmeter interface board RS485 communication failures;
3) flowmeter failure;
4) flowmeter interface board and flowmeter cable or connecting fault.
For above-mentioned situation about being likely to occur, site operation personnel takes following operation, completes fault diagnosis and exclusion:
1) device numbering of failure filling machine, and input fault code " 31 " are inputted on the APP of intelligent terminal;
2) intelligent terminal APP extracts the device numbering institute according to filling machine device numbering from LNG filling machine property data bases
The characteristic of corresponding filling machine, characteristic include this filling machine configuration/assembly information, electronics controlling device characteristic
Information, it can also inquire the hardware version numbers of the filling machine, software version number, each accessory pictorial information, each circuit board positioning mark
Know point feature information, each circuit board positioning identification point characteristic information, preset indicator lamp quantity, positional information on each circuit board, refer to
Show information, failure code information;
3) failure of the equipment of failure code " 31 " and step 2) extraction that intelligent terminal APP is shown according to display screen is set
Standby relevant information, according to the diagnostic process of the preset failure code, diagnostic module enters to flow interface board and flowmeter successively
Row fault diagnosis;
The specific diagnostic process of diagnostic module is as follows:
3) tool list that the prompting of .1 intelligent terminals display screen need to be equipped with;
3) .2 carries out the operation and its safety operation that filling machine is shut down and gas station stops transport with word or graphic form prompting
Measure;
3) explosion-proof lid and the explosion-proof lid of flowmeter where .3 opens flowmeter interface board with word and graphic form prompting;
3) .4 is with word and graphic form prompting operation electronics controlling device keyboard is transferred and to run electronics controlling device preset
" testing flow meter function ";
3) .5 text prompts carry out 10s video captures to flowmeter interface board;
3) master control borad of .6 intelligent terminals starts to transfer startup image collection module, starts video capture;
3) .7 text prompts carry out 10s video captures to flowmeter master control borad;
3) the master control board starting image of .8 intelligent terminals obtains film block, starts video capture;
To 3) .6 and 3) 3) video of .8 shootings is committed to picture recognition module to .9 respectively;
4) video image is identified picture recognition module, successively the positioning identification point to flowmeter interface board, instruction
Lamp (PWR/RX/TX/LED) position and instruction state identification;
5) above-mentioned recognition result and flowmeter interface board and flow meter characteristics information are contrasted, to confirm above-mentioned two sections
Whether video capture object is flowmeter interface board and flowmeter master control borad, and its LED status;
Comparison result is PWR:Chang Liang;LED:Chang Liang;TX:Flicker;RX:Do not work;
According to comparison result, it is diagnosed as:1) output of flowmeter interface power is normal;2) flowmeter master control borad is by electric normal;
3) it is normal to send data for flowmeter interface board;4) flowmeter master control borad is not received by data;5) flowmeter interface board does not connect
Receive data;
6) according to above-mentioned diagnosis, wiring or cable break down between doubtful flowmeter interface board and flowmeter master control borad;
7) intelligent terminal word and picture prompting to A+ the and B- terminals inspection to J1 and J2 and re-secure;
8) the 3) step is performed again;
Comparison result is PWR:Chang Liang;LED:Flicker;TX:Flicker;RX:Flicker;
According to comparison result, it is diagnosed as:(1) output of flowmeter interface power is normal;(2) flowmeter master control borad by electricity just
Often;(3) it is normal to send data for flowmeter interface board;(4) it is normal to receive data for flowmeter master control borad;(5) flowmeter interface board connects
It is normal by data;
9) word and picture prompting carry out functional verification, operate electronics controlling device keyboard " aerating " key, and filling machine, which performs, to be added
Air-flow journey, the display screen of electronics controlling device do not occur " 31 " failure code and other failures;
10) word and picture prompting install the operating procedure and peace that explosion-proof lid and its filling machine and gas station recover to go into operation
Full operation measure;
11) this end time fault diagnosis time started, failure code, filling machine numbering, trouble point information are write
In LNG filling machine maintenance protection information databases;
12) fault diagnosis and exclusion terminate.
Above in prompting step, it is both needed to operating personnel and " confirmation " is carried out to prompting.
Wherein, the surface chart of flowmeter and electrometer control plate is as shown in figure 5, in Fig. 5, LED is in data transfer, normally
Situation is in often bright or flicker state;PWR, when power supply exports in normal bright state;RX lamps, it is bright when receiving data
State;TX lamps, when sending data in bright state.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (10)
1. a kind of LNG filling machines fault diagnosis removal system, including electronics controlling device, it is characterised in that set on electronics controlling device
There is circuit board (2), circuit board (2) is provided with master control borad, indicator lamp (3), more than three positioning identification points (1), and master control borad also divides
It is not connected with display screen, intelligent terminal, intelligent terminal includes image collection module, picture recognition module, database module, diagnosis
Module, input module, enquiry module, diagnostic module respectively with image collection module, database module, wireless communication module, defeated
Enter module, enquiry module connection;
Display screen, the information to be broken down for showing LNG filling machines;
Input module, for the fault message shown on LNG filling machines, LNG plant number information to be input in intelligent terminal;
Enquiry module, for according to failure, the facility information for receiving LNG filling machines, being sent to database module and transferring the type
The hardware of number LNG filling machines, software version number order;
Image collection module, for shooting the master control borad of the LNG filling machines to break down, and by the image transmitting to image recognition
Module;
Picture recognition module, for identifying the side of master control borad classification and image taking according to the positioning identification point (1) on master control borad
To, and the recognition result is transferred to diagnostic module;
Diagnostic module, for analyzing the working condition of indicator lamp (3) according to picture recognition module recognition result, and referred to according to positioning
Show the working condition of lamp (3), confirm fault point;
Database module, for receiving the instruction of diagnostic module, transfer according to fault point propose troubleshooting methodology and
Step.
A kind of 2. LNG filling machines fault diagnosis removal system according to claim 1, it is characterised in that:More than 3 determine
Bit identification point (1) connects into more than or equal to more than two straight lines intersected.
A kind of 3. LNG filling machines fault diagnosis removal system according to claim 1, it is characterised in that:The electrometer
Control device, which is provided with, is more than or equal to two circuit boards (2).
A kind of 4. LNG filling machines fault diagnosis removal system according to claim 2, it is characterised in that:The indicator lamp
For luminous indicating lamp, luminous indicating lamp is civil power indicator lamp, power supply indicator, flow measurement communication indicator lamp, Valve controlling refer to
Show one kind in lamp and the combination more than or equal to two kinds.
A kind of 5. LNG filling machines fault diagnosis removal system according to claim 1, it is characterised in that:The intelligence is eventually
Hold as mobile phone.
A kind of 6. LNG filling machines fault diagnosis removal system according to claim 1, it is characterised in that:The database
Module includes LNG filling machines property data base, expert advice database, LNG filling machine maintenance protection information databases;
LNG filling machine property data bases, for storing LNG filling machines component information, fault characteristic information and possessing query function;
Expert advice database, for storing expert to the treatment advice of LNG filling machine failures and possessing query function;
LNG filling machine maintenance protection information databases, for storing the maintenance, repair record information of registration LNG filling machines and having
Standby query function.
A kind of 7. LNG filling machines fault diagnosis removal system according to claim 1, it is characterised in that:The master control borad
It is also associated with power supply.
A kind of 8. operating method of LNG filling machines fault diagnosis removal system, it is characterised in that:Including following operating procedure,
1) display screen of LNG filling machines shows fault message;
2) the device numbering information of LNG filling machines is inputted on intelligent terminal;
3) diagnostic module of intelligent terminal obtains the software and hardware version information of LNG filling machines by enquiry module;
4) the diagnostic module startup separator diagnostic function of intelligent terminal, and send collection LNG aerating electromechanics to image collection module
The instruction of road plate image;
5) LNG aerating mounted circuit boards are taken pictures, and by image transmitting to picture recognition module;
6) picture recognition module is according in the positioning sign point of circuit board, the working condition and database module of indicator lamp in image
Reference circuit plate image analyze, obtain fault point;
7) diagnostic module of intelligent terminal transfers troubleshooting methodology according to fault point, and shows;
8) operated according to the troubleshooting methodology of display, complete failture evacuation.
A kind of 9. operating method of LNG filling machines fault diagnosis removal system according to claim 8, it is characterised in that:
The display screen of LNG filling machines shows fault message for display failure code in the step 1).
A kind of 10. operating method of LNG filling machines fault diagnosis removal system according to claim 9, it is characterised in that:
Device numbering information in the device numbering information of LNG filling machines is inputted in the step 2) on intelligent terminal to compile for LNG plant
Number, failure code information.
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