CN207571783U - A kind of LNG filling machines fault diagnosis removal system - Google Patents
A kind of LNG filling machines fault diagnosis removal system Download PDFInfo
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- CN207571783U CN207571783U CN201721295995.4U CN201721295995U CN207571783U CN 207571783 U CN207571783 U CN 207571783U CN 201721295995 U CN201721295995 U CN 201721295995U CN 207571783 U CN207571783 U CN 207571783U
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Abstract
The utility model discloses a kind of LNG filling machines fault diagnosis removal systems, including electronics controlling device, electronics controlling device is equipped with circuit board, circuit board is equipped with master control borad, indicator light, the positioning identification point of three or more, master control borad is also connect 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 connect respectively with image collection module, database module, wireless communication module, input module, enquiry module.LNG filling machines diagnosis and elimination of breakdown system described in the technical program, operating personnel are lacking operating experience, 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, failure machine is enabled to resume production in time.
Description
Technical field
The utility model belongs to LNG Technology field, specifically a kind of LNG filling machines fault diagnosis removal system.
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 also belonged to, usually 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 lead to one
Determine economic loss；Therefore it is very high to the promptness requirement of the fault diagnosis of the kind equipment and its maintenance service, and the kind equipment
Belong to Special professional equipment, general refueling station employee higher to the professional skill requirement of equipment fault diagnosis and its repair
This work, therefore the after-sale service work generally use scene after-sale service or long-range with regard to the kind equipment generally can not be competent at
Telephone guidance service or two kinds of modes being combined carry out.Wherein live after-sale service need to just set in supply of material region and take after sale
Business site, in view of gas station, gas station's arrangement are generally all more disperseed, especially LNG filling machines are usually placed in more remote
Place or even foreign countries are also exported to, these factors bring larger difficulty to the setting of after-sale service site.Service network is more, after sale
Service radius is small, and service timeliness is 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 usually 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, a kind of LNG filling machines fault diagnosis removal system is provided.
Utility model content
The purpose of this utility model is that：For existing LNG filling machines, CNG filling machines due to the position that it is installed it is inclined
It is out-of-the-way, dispersion etc., break down when, operating personnel due to the experience for being short in understanding and its repairing to equipment, it is difficult to equipment into
Row repair so as to influence the technical problems such as the normal use of the kind equipment, now provides a kind of LNG filling machines fault diagnosis and excludes system
System, LNG filling machines are combined with intelligent terminal, and setting is more than or equal to 3 identification points and instruction on the circuit board of LNG filling machines
Lamp is handled by obtaining the image of circuit board, and by the picture recognition module of intelligent terminal, so that it is determined that positioning failure
Point, according to fault point, the diagnostic module of intelligent terminal transfers troubleshooting methodology, step from database module, so as to
Solution influences the technical problems such as the kind equipment normal use since the position that equipment is installed is remote.
The utility model is achieved through the following technical solutions：A kind of LNG filling machines fault diagnosis removal system, including electronics
Controlling device, electronics controlling device are equipped with circuit board, and circuit board is equipped with master control borad, indicator light, more than 3 positioning identification points, main
Control plate is also connect with display screen, intelligent terminal respectively, and intelligent terminal includes image collection module, picture recognition module, database
Module, diagnostic module, input module, enquiry module, diagnostic module respectively with image collection module, database module, channel radio
Believe module, input module, enquiry module connection；
Display screen, for showing the information of LNG filling machines failure；
Input module, for the fault message shown on LNG filling machines, LNG plant number information to be input to intelligent end
In end；
Enquiry module, for according to failure, the facility information for receiving LNG filling machines, sending out 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 light according to picture recognition module recognition result, and according to instruction
The working condition of lamp confirms fault point；
Database module for receiving the instruction of diagnostic module, transfers the troubleshooting 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 to have the function of what fault diagnosis excluded
APP.Image acquisition film block in intelligent terminal is that LNG filling machine components 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 valve rod actuating length identify, and the recognition result is transferred to diagnostic module；Diagnostic module is according to failure
Phenomenon, failure code and device numbering extract filling machine characteristic, perform corresponding preset diagnostic process, call image
Acquisition module needs the image of deagnostic package, and picture recognition module is carried out image identification, and carrying out failure according to recognition result examines
Disconnected, analysis and fault point inquire the expert advice database in database module according to trouble point, export troubleshooting side
Case and its troubleshooting steps and troubleshooting 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, functional information etc., use when carrying out fault diagnosis for diagnostic module.
Concrete operations flow is：After failure, LNG filling machines will will appear work(to LNG filling machines in the technical program
Certain phenomenon of the failure is presented in the component for automatic showing failure code or LNG filling machines by energy exception or failure, display screen.Scene
Device numbering, failure code or phenomenon of the failure are input to intelligent terminal by operating personnel, 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 transfer corresponding diagnostic process and perform fault diagnosis automatically.Such as sent out 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,
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 action state are identified；Then,
The recognition result of picture recognition module and the characteristic of LNG filling machines compare and analyze, such as LED status and LNG aeratings
When machine works normally indicated state it is inconsistent be positioned as trouble point or valve rod action 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 troubleshooting operation according to fault solution.
Preferably, the positioning identification point of three or more connects into the straight line intersected more than or equal to two or more.Positioning mark
Point is preset on circuit boards, and the number for positioning identification point is three or more.
Preferably, the electronics controlling device, which is equipped 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 light is luminous indicating lamp, and luminous indicating lamp is alternating current indicator light, power supply indicator, flow
Metering communication indicator light, one kind in valve control indicator light and the combination more than or equal to two kinds.
The type 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 functional instruction, as alternating current indicator light is also known as line voltage indicator light, DC5V/
DC3.3V/DC24V voltage indicator lamps, flowmeter supply voltage indicator light, flowmeter communication indicator light, processor operation instruction
Lamp, processor operation troubles indicator light, one kind in valve control indicator light 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 having query function；
Expert advice database, for storing expert to the treatment advice of LNG filling machine failures and having query function；
LNG filling machine maintenance protection information databases, the maintenance, repair for storing registration LNG filling machines record information
And has 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 provides electric energy for the filling machines component such as each circuit board, flowmeter and solenoid valve.
The operating method of above-mentioned LNG filling machines fault diagnosis removal system, concrete operations are as follows：
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 passes through this information of the software and hardware plate of enquiry module acquisition LNG filling machines；
4) the diagnostic module startup separator diagnostic function of intelligent terminal, and send out acquisition LNG aeratings to image collection module
The instruction of mounted circuit board image；
5) it takes pictures, and LNG aerating mounted circuit boards by image transmitting to picture recognition module；
6) picture recognition module indicates the working condition and database of point, indicator light according to the positioning of circuit board row in image
Mould reference circuit plate image in the block analyzes, and obtains fault point；
7) diagnostic module of intelligent terminal transfers troubleshooting methodology according to fault point, and shows；
8) it is operated according to the troubleshooting methodology of display, completes troubleshooting.
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 number, failure code information.
The utility model 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 acquisition of LNG filling machines, the circuit board image are handled through picture recognition module
The working condition of indicator light is obtained, according to the working condition of indicator light, 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 for solving corresponding trouble point and its operating procedure and method 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 in time carry out the fault condition of LNG filling machines
It excludes, ensures the normal operation of filling machine.
(4) the LNG diagnosis and elimination of breakdown systems described in the technical program, in actual use, without shifting after-sale service
Personnel can not have maintenance of equipment professional skill, voluntarily to equipment to scene directly by device context operating personnel
It carries out fault diagnosis and excludes, shorten the equipment fault time, equipment is enabled to put into production in time；Save after-sale service operating charges simultaneously
With spending, after-sale service quality is promoted.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the structural schematic block diagram of electronics controlling device in the utility model；
Fig. 2 is the structure diagram of circuit board in the utility model；
Fig. 3 is the structural schematic block diagram of the utility model；
Fig. 4 is the flow chart of structured operating method described in the utility model；
Fig. 5 is electrometer control plate and flowmeter display schematic diagram in the utility model；
Wherein：1- positions identification point, 2-circuit board, 3- indicator lights.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present 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
It controls device and is equipped with circuit board 2, circuit board 2 is equipped with master control borad, indicator light 3, more than 3 positioning identification points 1, and master control borad is also distinguished
It is connect 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 has the function of fault diagnosis exclusion；
Display screen, for showing the information of LNG filling machines failure；
Input module, for the fault message shown on LNG filling machines, LNG plant number information to be input to intelligent end
In end；
Diagnostic module, for according to failure, the facility information for receiving LNG filling machines, sending out 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；
Enquiry module, for analyzing the working condition of indicator light according to picture recognition module recognition result, and according to instruction
The working condition of lamp confirms fault point；
Database module for receiving the instruction of diagnostic module, transfers the troubleshooting side proposed according to fault point
Method and step.
Master control borad is also connect 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 equipped with master control borad, positioning identification point 1, indicator light 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 light position of circuit board and indicator light
State presets the indicator light 3 for functional requirement on each circuit board.
Wherein, the master control borad in LNG filling machines is connect 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 are input to according to the prompting of the failure code of display in the corresponding APP of intelligent terminal, specifically can also input LNG
The device numbering of filling machine and failure code information；2) fault condition 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 believe in intelligent terminal according to the device numbering of prompting input LNG filling machines
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
It is sent out to enquiry module and transfers LNG filling machine device hardwares version number, software version number, enquiry module feeds back corresponding 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
It sends out and acquisition image command is carried out to LNG filling machines, mobile phone or the circuit board of the corresponding model of other photographing devices acquisition can be passed through
Image, image collection module by the image transmitting of acquisition to picture recognition module, picture recognition module to the image of circuit board into
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 light, diagnostic module are transferred corresponding failure into database module according to fault point and are asked
The solution of topic, and pass through display screen and shown, operating personnel can be operated according to solution, complete failure row
It removes.
Wherein, the effect similar processor 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 working mode of picture recognition module is：By image
The image of acquisition module acquisition and the standard picture of database module storage are scanned comparative analysis, for example position identification point
Position, the working condition of indicator light confirm anomalies occur, so as to confirm the problem after comparison.Wherein, input module
For keyboard.
Embodiment 2：
The present embodiment and embodiment 1 difference lies in：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 set as 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 set as not on a straight line.According to position identification point in image can be further determined that in the image
Corresponding circuit board name can inquire the preset indicator lamp quantity of the circuit board 2, instruction 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 such as inconsistent there are LED status, then it is assumed that the list corresponding to the indicator light
There are failures for member or component 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 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 are different, and corresponding each circuit board 2 is different, and the location 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 present embodiment and above-described embodiment difference lies in：The electronics controlling device, which is equipped 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 carries out the various functions of LNG filling machines
Control.During the work time, after the diagnostic module of intelligent terminal obtains the software of LNG filling machines, hardware version numbers, start
Start image collection module to be acquired the image of corresponding circuits plate, therefore the circuit board image obtained is corresponding circuits plate.
The indicator light is luminous indicating lamp, and luminous indicating lamp is alternating current indicator light, power supply indicator, flow measurement communication
Indicator light, one kind in valve control indicator light and the combination more than or equal to two kinds.
The indicator light of multiple functions is provided on circuit board, image collection module is acquired circuit board image, also
The working condition of indicator light on circuit board can be obtained simultaneously, and picture recognition module can be according to the working condition of the indicator light on image
Standard picture with being stored in database module compares and analyzes, and the distinctive points of indicator light 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 library, expert advice database, LNG filling machines repair guarantor
Protect information database；
LNG filling machine handbook datas library, for storing LNG filling machines handbook and having query function；
Expert advice database, for storing expert to the treatment advice of LNG filling machine failures and having 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 present embodiment and above-described embodiment difference lies in：The intelligent terminal is mobile phone.Intelligent terminal can also be IPAD,
Other smart machines such as mobile phone.
Embodiment 5：
A kind of LNG filling machines fault diagnosis removal system its concrete operation method described in above-described embodiment 1-4 is as follows：
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 out acquisition LNG aeratings to image collection module
The instruction of mounted circuit board image；
5) it takes pictures, and LNG aerating mounted circuit boards by image transmitting to picture recognition module；
6) picture recognition module indicates the working condition and database of point, indicator light according to the positioning of circuit board row in image
Mould reference circuit plate image in the block analyzes, and obtains fault point；
7) diagnostic module of intelligent terminal transfers troubleshooting methodology according to fault point, and shows；
8) it is operated according to the troubleshooting methodology of display, completes troubleshooting.
Wherein, the display screen of LNG filling machines shows fault message as display failure code in the step 1), the operation
Purpose is that the failure code shown in the phenomenon of the failure of the LNG filling machines of failure or LNG filling machines is input to intelligent end
It holds in corresponding APP, specific input mode is realization LNG filling machines and intelligence during this by keyboard or phonetic entry
The communication interaction connection 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
It ceases for LNG plant number, 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：
By taking specific embodiment as an example, phenomenon of the failure is such as when aerating operates, the event of the display screen display of electronics controlling device
Barrier information is failure code " 31 ", code characterization electrometer control device and flowmeter RS485 communication abnormalities.
During specific accident analysis, for above-mentioned phenomenon of the failure, likelihood of failure is as follows：
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 can take following operation, complete fault diagnosis and exclusion：
1) device numbering of intelligent terminal input failure filling machine, input fault code " 31 "；
2) in LNG filling machine property data bases, the characteristic of filling machine corresponding to the device numbering, characteristic are inquired
Include this filling machine configuration/assembly information, electronics controlling device characteristic information, can also inquire the hardware of the filling machine
Version number, software version number, each accessory pictorial information, each circuit board positioning identification point characteristic information, each circuit board positioning mark
Preset indicator lamp quantity, location information, instruction information, failure code information in point feature information, each circuit board；
3) diagnostic module is according to failure code " 31 ", according to the diagnostic process corresponding to the preset failure code, successively
Fault diagnosis is carried out to flow interface board and flowmeter；
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 box cover and the explosion-proof box cover 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 acquisition film block of .8 intelligent terminals 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 in picture recognition module, successively to the positioning identification point of 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 compared, 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：It is always on；LED：It is always on；TX：Flicker；RX：It does 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) flowmeter interface board transmission data is normal；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：It is always on；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) flowmeter interface board transmission data is normal；(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 explosion-proof box cover and its filling machine and gas station restores the operating procedure and peace gone into operation
Full operation measure；
11) this end time fault diagnosis time started, failure code, filling machine number, trouble point information are written
In LNG filling machine maintenance protection information databases；
12) fault diagnosis and exclusion terminate.
In above 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 light is in data transmission, normally
Situation is in and is always on or flickers state；PWR is in when power supply exports and is always on state；RX lamps, it is bright when receiving data
State；TX lamps, when sending data in bright state.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of LNG filling machines fault diagnosis removal system, including electronics controlling device, which is characterized in that set on electronics controlling device
There is circuit board (2), circuit board (2) is equipped with master control borad, indicator light (3), three or more positioning identification points (1), and master control borad also divides
It is not connect 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, for showing the information of LNG filling machines failure；
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 out 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 the image transmitting is identified to image
Module, described image acquisition module are shooting mobile phone；
Picture recognition module, for according to positioning identification point (1) the 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 light (3) according to picture recognition module recognition result, and refers to according to positioning
Show the working condition of lamp (3), confirm fault point；
Database module, for receiving the instruction of diagnostic module, transfer the troubleshooting methodology that is proposed according to fault point and
Step；
Positioning identification point (1) more than 3 connects into the straight line intersected more than or equal to two or more；
The electronics controlling device, which is equipped with, is more than or equal to two circuit boards (2).
2. a kind of LNG filling machines fault diagnosis removal system according to claim 1, it is characterised in that：The indicator light
For luminous indicating lamp, luminous indicating lamp is alternating current indicator light, power supply indicator, flow measurement communication indicator light, valve are controlled and referred to
Show one kind in lamp and the combination more than or equal to two kinds.
3. a kind of LNG filling machines fault diagnosis removal system according to claim 1, it is characterised in that：The intelligence is eventually
It holds as mobile phone.
4. a kind of 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 having query function；
Expert advice database, for storing expert to the treatment advice of LNG filling machine failures and having 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.
5. a kind of 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.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480797A (en) * | 2017-10-09 | 2017-12-15 | 成都深冷凌泰机电科技有限公司 | A kind of LNG filling machines fault diagnosis removal system and its operating method |
| CN110942614A (en) * | 2019-12-07 | 2020-03-31 | 重庆耐德能源装备集成有限公司 | Self-adaptive communication method of electronic meter controller and flowmeter of natural gas dispenser |
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2017
- 2017-10-09 CN CN201721295995.4U patent/CN207571783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480797A (en) * | 2017-10-09 | 2017-12-15 | 成都深冷凌泰机电科技有限公司 | A kind of LNG filling machines fault diagnosis removal system and its operating method |
| CN110942614A (en) * | 2019-12-07 | 2020-03-31 | 重庆耐德能源装备集成有限公司 | Self-adaptive communication method of electronic meter controller and flowmeter of natural gas dispenser |
| CN110942614B (en) * | 2019-12-07 | 2021-04-27 | 重庆耐德能源装备集成有限公司 | Self-adaptive communication method of electronic meter controller and flowmeter of natural gas dispenser |
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