CN105333928B - Fuel metering error adjusting device based on velocity flowmeter and anti-cheating method - Google Patents
Fuel metering error adjusting device based on velocity flowmeter and anti-cheating method Download PDFInfo
- Publication number
- CN105333928B CN105333928B CN201510852321.9A CN201510852321A CN105333928B CN 105333928 B CN105333928 B CN 105333928B CN 201510852321 A CN201510852321 A CN 201510852321A CN 105333928 B CN105333928 B CN 105333928B
- Authority
- CN
- China
- Prior art keywords
- coding
- encoder
- information
- fuel
- cheating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention provides a kind of fuel metering error adjusting device based on velocity flowmeter, it is characterised in that：Including adjustment disk, rotary coding element and encoder；Rotary coding element and adjustment disk are coaxially connected；Adjustment disk and rotary coding element are respectively equipped with several adjustment disk gears and rotary coding element gear, each adjustment disk gear are corresponding with rotary coding element gear positions respectively；Rotary coding element is connect with code device signal；Encoder is connect with fuel charger controller signals.The fuel metering error adjusting device can realize fuel metering error transfer factor, and fuel metering is effectively prevent to practise fraud.The present invention also provides a kind of anti-cheating methods applied in the fuel metering error adjusting device based on velocity flowmeter；The anti-cheating method can prevent the cheating mode of displacement rotary coding element, encoder and fuel oil refueling machine controller, can also prevent that fuel charger controller software is distorted or substituted.
Description
Technical field
The present invention relates to fuel metering technical fields, more specifically to a kind of fuel oil based on velocity flowmeter
Measurement error adjusting apparatus and anti-cheating method.
Background technology
Fuel oil settlement terminal equipment, also known as fuel charger are a fuel pumping being made from multiple components and metering
Equipment is the point-of-sale terminal product of Petroleum Industry.China is oil consumption big country, and the quantity size of gas station is huge, in recent years,
The fuel pumping and measuring equipment that train, steamer and other equipment use are also increasing, the precision of fuel oil ultrasonic flowmeter
The fairness of transaction, enterprise and the economic interests of client are influenced with reliability huge.For many years, in departments of government and combustion
Under the joint efforts of oily fuel charger enterprise, the conventional products of China's fuel charger have reached or first intake close to the world
It is flat, also form substantially perfect national standard and identification regulation.But some critical components of made domestic fuel fuel charger also without
Method reaches the reliability and life standard of external product, our high-end product technical level, capacity for technological innovation and leads row
The influence power of industry development also has prodigious gap compared with American-European esbablished corporation.Especially economy is clearly sent out by country in recent years
The requirement of industrial upgrading and energy-saving and emission-reduction is placed on more and more important position in exhibition, further increases the section of made domestic fuel fuel charger
Skill content, reduction energy expenditure and product use cost, which are us, enhances the basic need of enterprise technology strength and the market competitiveness
It wants.
Measuring ultrasonic wave flow is a kind of flow measurement mode of newer speed mode, and major advantage is that flow resistance is small, is measured
Flow rates are big, safeguard that service life is long less.It is even more to have especially in the application of the fluids such as corrosivity, high-purity, non-conductive
The advantage for having other flow measurement technologies incomparable, in many applications substituted other type flow measurement technologies become
Gesture.Ultrasonic flowmeter was chiefly used in the application scenario based on water and sewage in the past, and it is natural that technology develops to beginning of this century oil
Gas industry starts to receive ultrasonic flowmeter comprehensively and has passed through a series of professional standards in the recent period.Measuring ultrasonic wave flow technology
Just rapidly promoted to high-end product and wider array of application range.In application related with trade transaction, before this from a left side in 2000
It is right to be applied to rapidly in natural gas line conveying, general measurement method is had become till now, then the trade of crude oil and product oil
Easily metering also begins to using measuring ultrasonic wave flow technology and is growing at top speed, the international standard that detection certification uses
OIML R117 are exactly the standard that fuel charger uses.
Using supersonic technique as the product of the fuel metering terminal of core, it has been unfolded to research and develop both at home and abroad, has measured
Precision, response speed and repeatability have been approached the technical indicator of tradition machinery flowmeter, in durability and long-term accuracy stability
Also very big advantage is shown.But measuring ultrasonic wave flow measures for speed mode, using volume numerical value is calculated, adjusts flow
The volume of cavity volume cannot be adjusted when counting parameter from outside by mechanical knob as mechanical volumetric flowmeter.Commonly to surpass
The debugging of acoustic wave flow meter and parameter correction method are the demand for safety protection that cannot be satisfied vertification regulation, pass through external software
Or it is also uncontrollable that debugging apparatus carries out calibration to flowmeter.
Fuel-metering device is Trade Measures product, is related to tax control and justice of exchange, because fraud occurs often
As the focus of the public, national quality supervision department has also put into effect many inspections, standard of proofreading and standard and antifraud behavior
Method and working specification, the application link for being established as fuel-metering device of 2006 vertification regulation standards of JJG4403 carry out
It provides in detail and explicitly.It uses and the velocity flowmeter represented is calculated as because needing turn from flow velocity to volume with ultrasonic flow
It changes, operation link and parameter setting are more, increased to the possibility link that criminal is cheated, and are based on velocity-type
Use, calibrating and the adjustment of the fuel-metering device of measurement need a set of new method, but existing from the reply of the angle of practical operation
Some regulations and program minimize, and have both prevented criminal and have changed and steal oil tax dodging privately, also existing in universal implementation process
There is standard operation difference little.
To solve the above problems, this enterprise has been developed that a kind of error adjusting device using rotational potentiometer, and to obtain
Obtained Chinese utility model patent ZL 201220580269.8《The error adjusting device of fuel oil ultrasonic flowmeter》.The practicality
New patent is connect using rotational potentiometer with adjustment disk, and the current potential sampled measurements exported to it obtain precision adjusting parameter.
The shortcomings which is to simulate electric potential signal easily by external interference, and criminal is easy to be modified it behaviour using electromagnetic method
Make.In addition, it is that can not prevent many known gimmicks of practising fraud to rely solely on a kind of reading device of precision adjustment information, one is needed
A complete solution in all directions for preventing machinery, circuit and software various aspects cheating mode.
Invention content
To overcome shortcoming and deficiency of the prior art, it is an object of the present invention to provide one kind being based on velocity-type
Meter can be achieved fuel metering error transfer factor, effectively prevent fuel metering cheating, ensure that trade settlement measures fair and just fuel oil
Measurement error adjusting apparatus.It is applied in the fuel metering based on velocity flowmeter it is a further object to provide a kind of
The anti-cheating method of error adjusting device, the anti-cheating method can prevent displacement rotary coding element, encoder and fuel oil refueling
The cheating mode of machine controller can also prevent that fuel charger controller software is distorted or substituted, effectively improve anti-work
Disadvantage ability.
In order to achieve the above object, the technical scheme is that：One kind being based on velocity flowmeter
Fuel metering error adjusting device, connect with fuel charger, and connect with fuel charger controller signals；Its feature exists
In：Including adjustment disk, rotary coding element and encoder；The rotary coding element and adjustment disk are coaxially connected, with reality
Existing rotary coding element and adjustment disk coaxial linkage；Adjustment disk and rotary coding element are respectively equipped with several adjustment disks
Gear and rotary coding element gear, each adjustment disk gear are corresponding with rotary coding element gear positions respectively；It is described
Rotary coding element is connect with code device signal, to realize that encoder reads the coding information in rotary coding element；The volume
Code device is connect with fuel charger controller signals, to realize that the coding information is sent to fuel charger control by encoder
Device.
In fuel metering error adjusting device of the present invention, each adjustment disk gear corresponds to different bulk coefficients；Due to
It adjusts disk to link with rotary coding element, therefore each rotary coding element gear is also corresponding from different bulk coefficients.
When needing to adjust fuel metering error, the corresponding adjustment disk gear of required bulk coefficient is rotated into corresponding position,
Rotary coding element gear also rotates to corresponding position simultaneously, therefore by reading the coding information in rotary coding element, i.e.,
Currently used bulk coefficient can be obtained.Volume pulse is issued fuel oil refueling machine controller progress volume and tired out by velocity flowmeter
Meter, in conjunction with bulk coefficient, by can be calculated fuel flow；Fuel metering error tune can be realized by volume adjusted coefficient
It is whole.
Fuel metering error adjusting device of the present invention realizes fuel metering error transfer factor using adjustment disk is adjusted, can edge
With the precision regulation method and operating instruction of the relevant national standard specification of existing volumetric flowmeter fuel charger, meet
The operating habit of user is easy to use and operates.Compared with the fuel metering error adjusting device for using analog potentiometer,
Fuel metering error adjusting device of the present invention records bulk coefficient using rotary coding element, can avoid the influence of electromagnetic interference,
It avoids criminal from modifying to bulk coefficient using electromagnetic interference device, effectively improves anti-cheating ability, ensure trade knot
Fair and just, the safe ready for the amount of calculating.Rotary coding element records bulk coefficient and forms digital coding value, is advantageously implemented
Cryptographic calculation.
Further embodiment is：The rotary coding element is connect by lead sealing mode with fuel charger；It can avoid rotation
Turn encoder element to be changed and replaced privately, it is ensured that the fuel metering value of fuel charger has legal effect.
Fuel metering error adjusting device further includes coded housing；The inside of coded housing forms coding accommodating chamber；It is described
Rotary coding element is arranged in encoding accommodating chamber；The rotary coding element is connect by lead sealing mode with fuel charger
Refer to that coded housing is connect with fuel charger, and the junction between coded housing and fuel charger is equipped with lead seal structure；
Coded housing offers mounting hole；The adjustment disk is located at side of the coded housing far from fuel charger, and adjusts disk
It is connect with rotary coding element across mounting hole.Coded housing completely encloses rotary coding element, on the one hand can be to rotation
Turn encoder element to be protected, it is made to avoid damaging because being hit, on the other hand can avoid rotary coding element by privately
Change and replacement.
It is connected by one signal of armored cable between the rotary coding element and encoder；The encoder adds with fuel oil
It is connected by armored cable binary signal between oil machine controller.
The rotary coding element refers to the rotary coding switch that multitool is thrown more.Rotary coding switch is thrown more with multitool
Switch contact forms more complex coding mode, improves and deliberates cheating by destroying rotary coding switch or connecting component
Difficulty.
The encoder refers to the encoder based on CPLD/FPGA programmable chips；Encoder adds for storing and running
Close algorithm is to generate coding encrypting information；The scratch pad memory for storing the coding encrypting information is equipped in encoder.
Encoder can run the coding information that the instruction that itself program is sent according to fuel oil refueling machine controller and key will be read
Rear programming is encrypted to preserve to scratch pad memory, fuel oil refueling machine controller can be with timer command encoder by coding information
Upload to fuel oil refueling machine controller with the coding encrypting information formed after encryption, fuel oil refueling machine controller is compared point
Analysis, judges whether the fuel metering of fuel charger is normal, and lawless people can be effectively prevent to change by the chip that alternates coding and held
Product coefficient is practised fraud.
A kind of anti-cheating method for applying the fuel metering error adjusting device based on velocity flowmeter above-mentioned, it is special
Sign is：Anti- cheating detection process, and the also timing when fuel charger is run are run when fuel metering error transfer factor is completed
Run anti-cheating detection process；The anti-cheating detection process includes the following steps：
The first step, encoder read the coding information in rotary coding element；
Second step, encoder judge whether the coding information is normal：If coding information is normal, encoder generates coding
Encryption information, and coding encrypting information is preserved, and skip to third step；If coding information is abnormal, fuel oil meter is judged
Amount state is abnormal, terminates anti-cheating detection, and fuel oil refueling machine controller stops oiling function and carries out alarm；
Third walks, and coding information and coding encrypting information are sent to fuel oil refueling machine controller by encoder；Fuel oil refueling
Machine controller generates host encryption information according to coding information；
4th step judges whether coding encrypting information and host encryption information are identical：If coding encrypting information and host add
Confidential information is identical, then judges that fuel metering state is normal, terminate anti-cheating and detect process；If coding encrypting information and host add
Confidential information differs, then judges fuel metering state for exception, terminates anti-cheating detection, and fuel oil refueling machine controller stops refueling
Function simultaneously carries out alarm.
Anti-cheating method of the present invention judges whether coding information is normal, can prevent displacement rotary coding element and/or coding
The cheating gimmick of device；The host encryption information that the coding encrypting information and fuel oil refueling machine controller generated using encoder is generated
It is compared, can determine whether encoder and fuel charger controller state are normal, effectively prevent encoder and/or fuel oil
Oiling machine controller is replaced and the cheating mode of change, can also prevent criminal from will use the cheating original software of software replacement,
Or distort coefficient.Anti-cheating method of the present invention effectively improves the anti-cheating ability of fuel metering error adjusting device.
Preferably, in the second step, it refers to that encoder is stored according in encoder that encoder, which generates coding encrypting information,
Encryption Algorithm to coding information be encrypted operation formed coding encrypting information；In the third step, fuel charger control
It refers to that fuel oil refueling machine controller is stored according in fuel oil refueling machine controller that device generates host encryption information according to coding information
Encryption Algorithm to coding information be encrypted operation formed host encryption information.Such design, program operation is simple, can have
Effect prevents permutation encoding encryption information and fuel oil refueling machine controller, replaces software program, distorts the cheatings such as coefficient.
The Encryption Algorithm stored in the encoder is identical as the Encryption Algorithm stored in the fuel oil refueling machine controller.
Preferably, in the second step, encoder judges whether the coding information is just referring to, and is stored in encoder
The corresponding coding of each rotary coding element gear judges information, by judge the coding information whether with the judgement of any coding
Information is identical to judge whether the coding information is normal.
Compared with prior art, beneficial effects of the present invention are：
1, fuel metering error adjusting device of the present invention realizes fuel metering error transfer factor using adjustment disk is adjusted, can
The precision regulation method and operating instruction of the relevant national standard specification of existing volumetric flowmeter fuel charger are continued to use, is accorded with
The operating habit of user is closed, is easy to use and operates；
2, fuel metering error adjusting device of the present invention records bulk coefficient using rotary coding element, and it is dry to can avoid electromagnetism
The influence disturbed avoids criminal from modifying to bulk coefficient using electromagnetic interference device, effectively improves anti-cheating ability；Rotation
Turn encoder element record bulk coefficient and form digital coding value, is advantageously implemented cryptographic calculation；
3, the avoidable rotary coding element of fuel metering error adjusting device of the present invention is changed and is replaced privately, it is ensured that combustion
The fuel metering value of oily fuel charger has legal effect；
4, the rotary coding switch that rotary coding element is thrown more using multitool in fuel metering error adjusting device of the present invention,
More complex coding mode is formed, the difficulty by destroying rotary coding switch or the premeditated cheating of connecting component is improved；
5, anti-cheating method of the present invention can prevent the work of displacement rotary coding element, encoder and fuel oil refueling machine controller
Disadvantage mode can also prevent that fuel charger controller software is distorted or substituted, effectively improve anti-cheating ability.
Description of the drawings
Fig. 1 is the system block diagram of fuel metering error adjusting device of the present invention；
Fig. 2 is the structural schematic diagram of fuel metering error adjusting device of the present invention；
Fig. 3 is the flow chart of anti-cheating detection process in anti-cheating method of the present invention；
Wherein, 1 it is fuel charger flowmeter shell, 2 be rotary coding element, 3 be coded housing, 4 be disk seat, 5 is
Adjustment disk, 6 be bolt, 7 be lead sealing line, 8 be lead sealing screw.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments, but the specific implementation mode of the present invention is not limited to
This.
Embodiment one
The present embodiment describes a kind of fuel metering error adjusting device based on velocity flowmeter, and system block diagram is as schemed
Shown in 1, structure is as shown in Figure 2；Fuel metering error adjusting device is outer including adjustment disk 5, rotary coding element 2, coding
Shell 3 and encoder.The inside of coded housing 3 forms coding accommodating chamber；Rotary coding element 2 is arranged in encoding accommodating chamber.It compiles
Code shell 3 is connect with fuel charger, and the junction between coded housing 3 and fuel charger is equipped with lead seal structure, such as originally
Lead sealing screw 8 is used in embodiment.Preferably, coded housing 3 is connect with fuel charger flowmeter.Coded housing 3 offers
Mounting hole；Adjustment disk 5 is located at side of the coded housing 3 far from fuel charger, and adjusts disk 5 and pass through mounting hole and rotation
Encoder element 2 connects.Rotary coding element 2 and adjustment disk 5 are coaxially connected, to realize rotary coding element 2 and adjustment disk 5
Coaxial linkage.Adjustment disk 5 and rotary coding element 2 are respectively equipped with 2 grades of several adjustment 5 gears of disk and rotary coding element
Position, each 5 gear of adjustment disk are corresponding with 2 gear positions of rotary coding element respectively；Rotary coding element 2 is believed with encoder
Number connection, to realize that encoder reads the coding information in rotary coding element 2；Encoder and fuel charger controller signals
Connection, to realize that coding information is sent to fuel oil refueling machine controller by encoder.
In the present embodiment fuel metering error adjusting device, each adjustment 5 gear of disk corresponds to different bulk coefficients；By
Link in adjustment disk 5 and rotary coding element 2, thus each 2 gear of rotary coding element also from different bulk coefficient phases
It is corresponding.When needing to adjust fuel metering error, corresponding 5 gear of adjustment disk of required bulk coefficient is rotated to accordingly
Position, while 2 gear of rotary coding element also rotates to corresponding position, therefore by reading the coding in rotary coding element 2
Information, you can obtain currently used bulk coefficient.Velocity flowmeter by volume pulse issue fuel oil refueling machine controller into
Row volume is accumulative, in conjunction with bulk coefficient, by can be calculated fuel flow；Fuel metering can be realized by volume adjusted coefficient
Error transfer factor.
The present embodiment fuel metering error adjusting device realizes fuel metering error transfer factor using adjustment disk 5 is adjusted,
The precision regulation method and operating instruction of the relevant national standard specification of existing volumetric flowmeter fuel charger can be continued to use,
Meet the operating habit of user, is easy to use and operates.With the fuel metering error adjusting device for using analog potentiometer
It compares, the present embodiment fuel metering error adjusting device records bulk coefficient using rotary coding element 2, can avoid electromagnetic interference
Influence, avoid criminal from modifying to bulk coefficient using electromagnetic interference device, effectively improve anti-cheating ability.Rotation
Encoder element 2 records bulk coefficient and forms digital coding value, is advantageously implemented cryptographic calculation.
Coded housing 3 completely encloses rotary coding element 2, on the one hand can be protected to rotary coding element 2,
Make it avoid damaging because being hit, on the other hand can avoid rotary coding element 2 and changed and replaced privately, it is ensured that fuel oil
The fuel metering value of fuel charger has legal effect；It is also convenient for assembly operation, is conducive to lead seal structure design.Encoder is preferably set
It sets on fuel oil refueling machine controller or is positioned in same electrical module with fuel oil refueling machine controller, which and existing combustion
The common function zoning of oily fuel charger industry is consistent with the division of anti-riot protection zone, convenient for assembling production and onsite application.But
Other layouts substantially identical with this layout and function division Adjusted Option are also within the scope of protection of the invention.
Preferably, it is connected by one signal of armored cable between rotary coding element 2 and encoder；Encoder adds with fuel oil
It is connected by armored cable binary signal between oil machine controller.In practical application, between rotary coding element 2 and encoder, with
And other interface units can also be used between encoder and fuel oil refueling machine controller.
Preferably, rotary coding element 2 refers to the rotary coding switch that multitool is thrown more.Rotary coding switch is more with multitool
The switch contact thrown forms more complex coding mode, improves by destroying rotary coding switch or the premeditated work of connecting component
The difficulty of disadvantage.Other rotary coding elements substantially identical with this rotary coding switch are also in the scope of protection of the invention
Within.
Encoder refers to the encoder based on CPLD/FPGA programmable chips；Encoder is calculated for storing and running encryption
Method is to generate coding encrypting information；The scratch pad memory for storing coding encrypting information is equipped in encoder.Encoder can
The coding information read is encrypted with running instruction that itself program is sent according to fuel oil refueling machine controller and key
Afterwards programming to scratch pad memory preserve, fuel oil refueling machine controller can with timer command encoder will coding information and encryption after
The coding encrypting information of formation uploads to fuel oil refueling machine controller, and fuel oil refueling machine controller is compared, and judges to fire
Whether the fuel metering of oily fuel charger is normal, and lawless people can be effectively prevent to change bulk coefficient by the chip that alternates coding and carried out
Cheating.
Embodiment two
The present embodiment describes a kind of anti-cheating method of the fuel metering error adjusting device based on velocity flowmeter, can
It is run in fuel metering error adjusting device described in embodiment one.Anti- cheating is run when fuel metering error transfer factor is completed
Process is detected, and also the anti-cheating of timing operation detects process when fuel charger is run；Described anti-cheating detection process such as Fig. 3
It is shown, include the following steps：
The first step, encoder read the coding information in rotary coding element；
Second step, encoder judge whether the coding information is normal：If coding information is normal, encoder generates coding
Encryption information, and coding encrypting information is preserved, and skip to third step；If coding information is abnormal, fuel oil meter is judged
Amount state is abnormal, terminates anti-cheating detection, and fuel oil refueling machine controller stops oiling function and carries out alarm；
Third walks, and coding information and coding encrypting information are sent to fuel oil refueling machine controller by encoder；Fuel oil refueling
Machine controller generates host encryption information according to coding information；
4th step judges whether coding encrypting information and host encryption information are identical：If coding encrypting information and host add
Confidential information is identical, then judges that fuel metering state is normal, terminate anti-cheating and detect process；If coding encrypting information and host add
Confidential information differs, then judges fuel metering state for exception, terminates anti-cheating detection, and fuel oil refueling machine controller stops refueling
Function simultaneously carries out alarm.
Anti-cheating method of the present invention judges whether coding information is normal, can prevent displacement rotary coding element and/or coding
The cheating gimmick of device；The host encryption information that the coding encrypting information and fuel oil refueling machine controller generated using encoder is generated
It is compared, can determine whether encoder and fuel charger controller state are normal, effectively prevent encoder and/or fuel oil
Oiling machine controller is replaced and the cheating mode of change, can also prevent criminal from will use the cheating original software of software replacement,
Or distort coefficient.Anti-cheating method of the present invention effectively improves the anti-cheating ability of fuel metering error adjusting device.
Preferably, in the second step, it refers to that encoder is stored according in encoder that encoder, which generates coding encrypting information,
Encryption Algorithm to coding information be encrypted operation formed coding encrypting information；In the third step, fuel charger control
It refers to that fuel oil refueling machine controller is stored according in fuel oil refueling machine controller that device generates host encryption information according to coding information
Encryption Algorithm to coding information be encrypted operation formed host encryption information.Such design, program operation is simple, can have
Effect prevents permutation encoding encryption information and fuel oil refueling machine controller, replaces software program, distorts the cheatings such as coefficient.Coding
The Encryption Algorithm stored in device is identical as the Encryption Algorithm stored in the fuel oil refueling machine controller.
Preferably, in the second step, encoder judges whether the coding information is just referring to, and is stored in encoder
The corresponding coding of each rotary coding element gear judges information, by judge the coding information whether with the judgement of any coding
Information is identical to judge whether the coding information is normal.
The present embodiment anti-cheating method, only cribber can understand the coding mode of rotary coding element, coding completely
The fuel oil of fuel charger could be changed when the comprehensive informations such as the Encryption Algorithm, the software cryptography key that are stored in device and realization technology
Numerical value is measured, the difficulty and cost of cheating greatly improve.
As shown in table 1, for mechanically destroying or forge lead sealing, changing rotary coding element state or changing certain in cable
When the level state of a little electric wires, fuel oil refueling machine controller can find the host encryption information obtained by Encryption Algorithm and coding
The coding encrypting information preserved in device is not inconsistent, and is stopped.It alternates coding device, Encryption Algorithm and fuel oil refueling for cribber
The Encryption Algorithm or key of machine controller are different, and the coding encrypting information that the two obtains is different with host encryption information, and fuel oil adds
Oil machine controller can stop fuel charger work after finding differences.For replacing the cheating hand of fuel charger controller software
Method can be found that fuel oil refueling machine controller cannot be true when testing person operates or when law enfrocement official checks by adjusting disk
Real arithmetic goes out host encryption information, whether there is cheating so as to tell.
All kinds of possible cheating modes of table 1 and corresponding prevent mode
The fuel metering error adjusting device of embodiment one is used in combination with the present embodiment anti-cheating method, by machinery,
Circuit hardware and software check and correction tripartite carry out cheating strick precaution in face of fuel charger, effectively improve anti-cheating ability.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of fuel metering error adjusting device based on velocity flowmeter, connect, and add with fuel oil with fuel charger
Oil machine controller signals connect；It is characterized in that：Including adjustment disk, rotary coding element and encoder；The rotary coding
Element and adjustment disk are coaxially connected, to realize rotary coding element and adjustment disk coaxial linkage；It adjusts disk and rotation is compiled
Symbol part is respectively equipped with several adjustment disk gears and rotary coding element gear, each adjustment disk gear respectively with rotation
Encoder element gear positions are corresponding；The rotary coding element is connect with code device signal, to realize that encoder reads rotation
Coding information in encoder element；The encoder is connect with fuel charger controller signals, to realize that encoder will be described
Coding information is sent to fuel oil refueling machine controller.
2. the fuel metering error adjusting device according to claim 1 based on velocity flowmeter, it is characterised in that：Institute
Rotary coding element is stated to connect with fuel charger by lead sealing mode.
3. the fuel metering error adjusting device according to claim 2 based on velocity flowmeter, it is characterised in that：Also
Including coded housing；The inside of coded housing forms coding accommodating chamber；The rotary coding element is arranged in encoding accommodating chamber；
It refers to that coded housing is connect with fuel charger that the rotary coding element, which is connect by lead sealing mode with fuel charger,
And the junction between coded housing and fuel charger is equipped with lead seal structure；Coded housing offers mounting hole；The adjustment
Disk is located at side of the coded housing far from fuel charger, and adjusts disk and connect with rotary coding element across mounting hole.
4. the fuel metering error adjusting device according to claim 1 based on velocity flowmeter, it is characterised in that：Institute
It states and is connected by one signal of armored cable between rotary coding element and encoder；The encoder and fuel oil refueling machine controller
Between connected by armored cable binary signal.
5. the fuel metering error adjusting device according to claim 1 based on velocity flowmeter, it is characterised in that：Institute
It refers to the rotary coding switch that multitool is thrown more to state rotary coding element.
6. the fuel metering error adjusting device according to claim 1 based on velocity flowmeter, it is characterised in that：Institute
It refers to the encoder based on CPLD/FPGA programmable chips to state encoder；Encoder is for storing and running Encryption Algorithm with life
At coding encrypting information；The scratch pad memory for storing the coding encrypting information is equipped in encoder.
7. a kind of applying the fuel metering error based on velocity flowmeter according to any one of claim 1 to 6
The anti-cheating method of adjusting apparatus, it is characterised in that：Anti- cheating detection process is run when fuel metering error transfer factor is completed, and
When fuel charger is run, also the anti-cheating of timing operation detects process；The anti-cheating detection process includes the following steps：
The first step, encoder read the coding information in rotary coding element；
Second step, encoder judge whether the coding information is normal：If coding information is normal, encoder generates coding encrypting
Information, and coding encrypting information is preserved, and skip to third step；If coding information is abnormal, fuel metering shape is judged
State is abnormal, terminates anti-cheating detection, and fuel oil refueling machine controller stops oiling function and carries out alarm；
Third walks, and coding information and coding encrypting information are sent to fuel oil refueling machine controller by encoder；Fuel charger control
Device processed generates host encryption information according to coding information；
4th step judges whether coding encrypting information and host encryption information are identical：If coding encrypting information and host encryption letter
Manner of breathing is same, then judges that fuel metering state is normal, terminate anti-cheating and detect process；If coding encrypting information and host encryption letter
Breath differs, then judges fuel metering state for exception, terminates anti-cheating detection, and fuel oil refueling machine controller stops oiling function
And carry out alarm.
8. anti-cheating method according to claim 7, it is characterised in that：In the second step, encoder generates coding and adds
Confidential information refers to that encoder is encrypted operation to coding information according to the Encryption Algorithm stored in encoder and forms coding encrypting
Information；In the third step, it refers to fuel charger that fuel oil refueling machine controller generates host encryption information according to coding information
Controller is encrypted operation to coding information according to the Encryption Algorithm stored in fuel oil refueling machine controller and forms host encryption
Information.
9. anti-cheating method according to claim 8, it is characterised in that：The Encryption Algorithm stored in the encoder and institute
It is identical to state the Encryption Algorithm stored in fuel oil refueling machine controller.
10. anti-cheating method according to claim 7, it is characterised in that：In the second step, encoder judges the volume
Whether code information is just referring to, and the corresponding coding judgement information of each rotary coding element gear is stored in encoder, is passed through
Judge whether the coding information is identical as any coding judgement information and judges whether the coding information is normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852321.9A CN105333928B (en) | 2015-11-27 | 2015-11-27 | Fuel metering error adjusting device based on velocity flowmeter and anti-cheating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852321.9A CN105333928B (en) | 2015-11-27 | 2015-11-27 | Fuel metering error adjusting device based on velocity flowmeter and anti-cheating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105333928A CN105333928A (en) | 2016-02-17 |
| CN105333928B true CN105333928B (en) | 2018-10-26 |
Family
ID=55284584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510852321.9A Active CN105333928B (en) | 2015-11-27 | 2015-11-27 | Fuel metering error adjusting device based on velocity flowmeter and anti-cheating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333928B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414519A (en) * | 2020-10-23 | 2021-02-26 | 哈尔滨鹏信科技有限责任公司 | Anti-cheating monitoring system of trade handover flow metering instrument and application thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217464A (en) * | 1996-07-29 | 1999-05-26 | 罗吉特荣有限公司 | Measuring device, particularly for oil pumps |
| WO1999050580A1 (en) * | 1998-03-27 | 1999-10-07 | Maxon Corporation | Intelligent valve actuator |
| CN200955016Y (en) * | 2006-09-08 | 2007-10-03 | 北京拓盛电子科技有限公司 | Oil-filler coder shel structure |
| CN101434372A (en) * | 2008-12-11 | 2009-05-20 | 托肯恒山科技（广州）有限公司 | Hydraulic system control method and apparatus for fuel charger |
| CN201462231U (en) * | 2009-06-25 | 2010-05-12 | 托肯恒山科技（广州）有限公司 | Hydraulic hose integrating control circuit and signal transmission and fueling machine equipped with the same |
| CN102515077A (en) * | 2011-11-18 | 2012-06-27 | 冯云霞 | Anti-spoofing system and method of fuel dispenser with higher security |
| CN202912684U (en) * | 2012-11-23 | 2013-05-01 | 北京英泰赛福软件技术有限公司 | Oiling machine cheat-prevention device |
| CN203144093U (en) * | 2012-12-28 | 2013-08-21 | 托肯恒山科技（广州）有限公司 | Oil filling device based on multiple flow measurement transducers |
| CN203857998U (en) * | 2014-05-30 | 2014-10-01 | 北京拓盛电子科技有限公司 | Novel connecting structure of electromagnetic encoder and flow meter |
| CN205280191U (en) * | 2015-11-27 | 2016-06-01 | 托肯恒山科技（广州）有限公司 | Fuel oil metering error adjusting device based on velocity flowmeter |
-
2015
- 2015-11-27 CN CN201510852321.9A patent/CN105333928B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217464A (en) * | 1996-07-29 | 1999-05-26 | 罗吉特荣有限公司 | Measuring device, particularly for oil pumps |
| WO1999050580A1 (en) * | 1998-03-27 | 1999-10-07 | Maxon Corporation | Intelligent valve actuator |
| CN200955016Y (en) * | 2006-09-08 | 2007-10-03 | 北京拓盛电子科技有限公司 | Oil-filler coder shel structure |
| CN101434372A (en) * | 2008-12-11 | 2009-05-20 | 托肯恒山科技（广州）有限公司 | Hydraulic system control method and apparatus for fuel charger |
| CN201462231U (en) * | 2009-06-25 | 2010-05-12 | 托肯恒山科技（广州）有限公司 | Hydraulic hose integrating control circuit and signal transmission and fueling machine equipped with the same |
| CN102515077A (en) * | 2011-11-18 | 2012-06-27 | 冯云霞 | Anti-spoofing system and method of fuel dispenser with higher security |
| CN202912684U (en) * | 2012-11-23 | 2013-05-01 | 北京英泰赛福软件技术有限公司 | Oiling machine cheat-prevention device |
| CN203144093U (en) * | 2012-12-28 | 2013-08-21 | 托肯恒山科技（广州）有限公司 | Oil filling device based on multiple flow measurement transducers |
| CN203857998U (en) * | 2014-05-30 | 2014-10-01 | 北京拓盛电子科技有限公司 | Novel connecting structure of electromagnetic encoder and flow meter |
| CN205280191U (en) * | 2015-11-27 | 2016-06-01 | 托肯恒山科技（广州）有限公司 | Fuel oil metering error adjusting device based on velocity flowmeter |
Non-Patent Citations (1)
| Title |
|---|
| 《燃油加油机泵送系统变频模式设计及节能测试》;万勤波等;《液压与气动》;20101231(第1期);第14-16页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105333928A (en) | 2016-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2716860C1 (en) | Method for on-line monitoring of measuring characteristics of membrane gas meter | |
| CN104501935B (en) | The anti-cheating monitoring and managing method of a kind of electronic scale and system | |
| CN207268633U (en) | Intelligent gas meter samples metering device | |
| CN201788005U (en) | Cheating prevention electronic scale | |
| CN102494246B (en) | Integrated gas dispenser detection device through standard meter method | |
| CN105333928B (en) | Fuel metering error adjusting device based on velocity flowmeter and anti-cheating method | |
| CN205091010U (en) | Supersound water gauge | |
| CN105928648B (en) | The underwater dynamic torque measuring device of fiber Bragg grating type and method | |
| CN101777227A (en) | Electronic scale tax-controlling weighing display controller and electronic scale tax controller | |
| CN101350118A (en) | IC card intelligent gas meter | |
| CN205280191U (en) | Fuel oil metering error adjusting device based on velocity flowmeter | |
| CN106370252A (en) | Electronic type remote-transmission diaphragm gas meter system and measurement monitoring method thereof | |
| CN108036843B (en) | Method for detecting indication value error of gas meter | |
| CN107764375A (en) | Gas meter, flow meter error of indication calibrating installation | |
| EP4328820A1 (en) | Performance testing method for water softening device | |
| CN204373904U (en) | A kind of oxygen inhalation apparatus calibrating installation | |
| CN203981293U (en) | With the transformer winding temperature gage of scrambler | |
| CN102141243B (en) | System and method for on-line monitoring energy consumption cost of spiral feeding type small-sized steam boiler | |
| CN206223351U (en) | A kind of pressure gauge warning device | |
| CN202995891U (en) | Cassette water meter embedded with secret key | |
| CN104217141A (en) | Reinforced virtual instrument measuring software metrology support method and device | |
| CN101162161A (en) | Water meter with electronic counting device having clearance transmission mechanism | |
| CN207624103U (en) | A kind of water meter system transmitted based on ultrasonic measurement and GPRS data | |
| CN203733220U (en) | Numerical code type electric meter | |
| CN209570201U (en) | A kind of comparison expression direct-reading gauge table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |