CN103364041B - A kind of vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption monitoring system - Google Patents
A kind of vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption monitoring system Download PDFInfo
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Abstract
The invention discloses a kind of vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption monitoring system, show and protect the total fuel consumption data of module, complete machine to show and protect module, data cryptogram management module and unit protection module including electromotor import and export oil mass detection module, unit period fuel consumption data.After Diesel engine starts; its import oil mass and outlet oil mass are measured by effusion meter immediately; and by processing module based on STC89C5A60S2 master chip; realize display and the management of data, thus realize the monitoring of efficient, accurate, convenient and that there is Double Data defencive function vehicular oil consumption.
Description
Technical field
The invention belongs to Precision measurement and control technical field, relating to a kind of monitoring system, be specifically related to one
Vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption monitoring system.
Background technology
The economic development impetus in recent years is good, haulage vehicle, the demand sustainable growth of engineering machinery how
Strengthen the control of oil consumption cost, improve oil consumption management level and become the task of top priority of relevant enterprise；
In the operation cost of vehicle mechanical is constituted, oil plant cost occupies the proportion exceeding half, traditional
Under way to manage, can only be by indirect means measuring and calculating oil consumption such as mileage statistics, experience reckonings, error is big, leakage
Hole is many, it is impossible to provides accurately and cannot provide vaild evidence when occurring and stealing the situations such as oil, brings to enterprise huge
Big loss, under present economic conditions, what effective management of vehicle oil consumption become cost control must be by it
Road.
Summary of the invention
, shortage data protection consciousness the most convenient, inaccurate for current Diesel engine oil consumption monitoring becomes with height
This defect, the present invention provides a kind of vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption to monitor system
System.
The embodiment of the present invention is achieved in that a kind of vehicle-mounted difunctional data protection formula Novel diesel engine oil
Consumption monitoring system, this oil consumption monitoring system includes:
Oil mass detection module imported and exported by electromotor, is installed between low-lift pump and oil transfer pump, it is achieved that send out diesel oil
Motivation imports and exports the detection of diesel oil flow, is monitored the amount of fuel of Diesel engine intuitively, it is to avoid
Carried out by third party detecting the administrative vulnerability brought；
Unit period fuel consumption data shows and protects module；
The total fuel consumption data of complete machine shows and protects module；
Data cryptogram management module, for password setting, password identification, clearing；
Unit protection module, uses electronic lock technology by block safe and reliable for system and device, has antitheft, anti-
Accidental destruction function.
Further, described electromotor import and export the main high-precision flow sensor of oil mass detection module, filter and
Fixing device forms, and this module is installed between low-lift pump and oil transfer pump, it is achieved that pass in and out Diesel engine
The detection of mouthful diesel oil flow, is monitored the amount of fuel of Diesel engine intuitively, it is to avoid by the 3rd
Fang Jinhang detects the administrative vulnerability brought；
Described high-precision flow sensor uses the V8 series positive displacement stream of Shanghai Ci Xi instrument and meter company limited
Gauge, it has the performance of high accuracy three-wire system pulse output, after pulse count, data is delivered to
Single-chip microcomputer minimum control system；
Described filter uses paper filter core diesel fuel filter, has good strainability to diesel oil；
The function of described fixing device is that high-precision flow sensor and filter are arranged on low-lift pump and oil transportation
Between pump so that it is fixedly mount under the protection of vibration damping.
Further, described unit period fuel consumption data show and protect module mainly by MAX7219 driving chip,
Six one common cathode charactron, function indicating modules and unit period fuel consumption data show and protected location form.
Further, the total fuel consumption data of described complete machine show and protect module main MAX7219 driving chip, six
Integrally common cathode charactron, function indicating module, the total fuel consumption data of complete machine show and protected location composition and data
Multiplexing Unit.
Described unit period fuel consumption data shows and protected location includes unit period fuel consumption data step-by-step counting list
Unit, unit period fuel consumption data display unit, unit period fuel consumption data protection memory element and data-reusing
Unit.
The total fuel consumption data of described complete machine shows and protected location includes complete machine total fuel consumption data pulse count unit, whole
Machine total fuel consumption data display unit and complete machine total fuel consumption data protection memory element.
Described pulse count unit uses STC89C5A60S2 master chip T0 and T1 to count with working method 1,
Enumerator initial value is disposed as 0, starts enumerator, to there being no-carry to sentence in counting process
Disconnected, if there being carry to perform interrupt location, no-carry, continue executing with, counting summation is low eight and is multiplied by 256
It is multiplied by 65536 sums with carry interrupt location parameter.
Described data display unit uses one decimal mode of reservation to show, uses the shape of (i/10^n) %10
Formula carries out everybody process, and this formal layout is convenient, accurate, then drives MAX7219 r/w cell to carry out respectively
The display of bit value.
First CLK is set low by described MAX7219 r/w cell, makes data write, perform DATA=data&0x80
Unit can make high position data identification, and preserves DATA, then by data ＜ ＜=1 statement identification next bit
Data, circulate i.e. eight partial datas of writable data.
The data needing storage in described data protection memory element are is-not symbol long data, totally 32,
Store by an is-not symbol integer four figures group, first store low eight, utilize a ＞ ＞=8 to move eight statements
Carrying out high eight-bit storage, circulate four times, data can carry out storage protection, protection address is at clock chip
Depositing of DS12887 is chosen on address.
Described data-reusing unit uses for Do statement to call the data of storage on DS12887, and
It is read out by an is-not symbol long, first reads high eight-bit, utilize a ＜ ＜ 8 to shift statement this is non-
Symbol long carries out moving eight process, stores the 8th the most again, circulates four times, can data be combined,
Realization is called, multiplexing.
Further, described data cryptogram management module includes that password arranges unit, password identification unit and resets single
Unit.
It is in the case of being identified original password that described password arranges unit, carries out depositing new password
Storage, when to original password identification and storing new password, it is necessary to utilize the method for time delay 20ms to enter button
Row disappears and trembles, and if statement to be utilized carries out three times repeating to judge whether that button is pressed really, utilizes button to sweep
Retouching unit to differentiate key position, and store corresponding data, storage position is original password
Storage address.
Described key scan unit uses 3*4 matrix keyboard layout, is separately provided successively by the often row of matrix keyboard
For low level, such that it is able to by the 4 of matrix keyboard row are carried out current potential identification, when certain row a is set to low
Level, and there is no to show low level and produce, then press without button, if having certain row b is low level, then may be used
Know that a row b row button is pressed, the most i.e. can determine that relative keys code, and utilize return ()
Function returns key.
Described password identification unit uses for Do statement that original password storage address is read out password
Operation, and each data read out are differentiated successively, if the misjudgment of a certain position, all can lead
Cause recognition failures.
Described clearing unit is to contain password identification unit, after password identification, by performing data-reusing list
Unit, by data assignment in some parameter a, with this parameter as minuend, it is achieved Protection Counter Functions.
Described unit protection module mainly uses electronic lock technology by block safe and reliable for system and device, has anti-
Robber, anti-accidental destruction function.
Beneficial effects of the present invention:
(1) system of the present invention is after Diesel engine starts, and its import oil mass and outlet oil mass are led to immediately
Inflow-rate of water turbine meter measures, and by the processing module of master chip, it is achieved the display of data and management, thus
Realize the monitoring of efficient, accurate, convenient and that there is Double Data defencive function vehicular oil consumption；
(2) the most vehicle-mounted mode and efficient data processor be system provide low cost, more convenient,
More effectively oil consumption regulatory format, the existing Diesel engine oil consumption effectively solved monitoring is the most convenient, inaccurate,
Lack data protection consciousness and the defect of high cost；
(3) high-precision oil consumption sensor is for this system provides maximally effective data, has unit period respectively
Fuel consumption data shows and protects, the total fuel consumption data of complete machine shows and protect difunctional data protection, the most efficiently
Processing routine, make the present invention data detection, manage and show on be respectively provided with Accuracy and high efficiency；
(4) installation site of native system is between low-lift pump and oil transfer pump, it is contemplated that install oil consumption sensing
The stress problems that device brings, can get rid of the oil consumption sensor pressure influence to diesel engine system substantially.
Accompanying drawing explanation
Fig. 1 is the structural representation of present system；
Fig. 2 is the structural representation that oil mass detection module imported and exported by electromotor；
Fig. 3 is unit period and the total fuel consumption data of complete machine shows and protects the structural representation of module；
Fig. 4 is the structural representation of data cryptogram management module.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Embodiments provide a kind of vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption monitoring
System, this oil consumption monitoring system includes:
Oil mass detection module imported and exported by electromotor, is installed between low-lift pump and oil transfer pump, it is achieved that send out diesel oil
Motivation imports and exports the detection of diesel oil flow, is monitored the amount of fuel of Diesel engine intuitively, it is to avoid
Carried out by third party detecting the administrative vulnerability brought；
Unit period fuel consumption data shows and protects module；
The total fuel consumption data of complete machine shows and protects module；
Data cryptogram management module, for password setting, password identification, clearing；
Unit protection module, uses electronic lock technology by block safe and reliable for system and device, has antitheft, anti-
Accidental destruction function.
In embodiments of the present invention, oil mass detection module main high-precision flow sensing imported and exported by described electromotor
Device, filter and fixing device composition, this module is installed between low-lift pump and oil transfer pump, it is achieved that to bavin
Oil turbine imports and exports the detection of diesel oil flow, is monitored the amount of fuel of Diesel engine intuitively, keeps away
That exempts from carries out detecting the administrative vulnerability brought by third party；
Described high-precision flow sensor uses the V8 series positive displacement stream of Shanghai Ci Xi instrument and meter company limited
Gauge, it has the performance of high accuracy three-wire system pulse output, after pulse count, data is delivered to
Single-chip microcomputer minimum control system；
Described filter uses paper filter core diesel fuel filter, has good strainability to diesel oil；
The function of described fixing device is that high-precision flow sensor and filter are arranged on low-lift pump and oil transportation
Between pump so that it is fixedly mount under the protection of vibration damping.
In embodiments of the present invention, described unit period fuel consumption data shows and protects module mainly by MAX7219
Driving chip, six one common cathode charactrons, function indicating module and unit period fuel consumption datas show and protect
Protect unit composition.
In embodiments of the present invention, the total fuel consumption data of described complete machine shows and protects the main MAX7219 of module to drive
Chip, six one common cathode charactrons, function indicating module, the total fuel consumption datas of complete machine show and protected location
Composition and data Multiplexing Unit.
Described unit period fuel consumption data shows and protected location includes unit period fuel consumption data step-by-step counting list
Unit, unit period fuel consumption data display unit, unit period fuel consumption data protection memory element and data-reusing
Unit.
The total fuel consumption data of described complete machine shows and protected location includes complete machine total fuel consumption data pulse count unit, whole
Machine total fuel consumption data display unit and complete machine total fuel consumption data protection memory element.
Described pulse count unit uses STC89C5A60S2 master chip T0 and T1 to count with working method 1,
Enumerator initial value is disposed as 0, starts enumerator, to there being no-carry to sentence in counting process
Disconnected, if there being carry to perform interrupt location, no-carry, continue executing with, counting summation is low eight and is multiplied by 256
It is multiplied by 65536 sums with carry interrupt location parameter.
Described data display unit uses one decimal mode of reservation to show, uses the shape of (i/10^n) %10
Formula carries out everybody process, and this formal layout is convenient, accurate, then drives MAX7219 r/w cell to carry out respectively
The display of bit value.
First CLK is set low by described MAX7219 r/w cell, makes data write, perform DATA=data&0x80
Unit can make high position data identification, and preserves DATA, then by data ＜ ＜=1 statement identification next bit
Data, circulate i.e. eight partial datas of writable data.
The data needing storage in described data protection memory element are is-not symbol long data, totally 32,
Store by an is-not symbol integer four figures group, first store low eight, utilize a ＞ ＞=8 to move eight statements
Carrying out high eight-bit storage, circulate four times, data can carry out storage protection, protection address is at clock chip
Depositing of DS12887 is chosen on address.
Described data-reusing unit uses for Do statement to call the data of storage on DS12887, and
It is read out by an is-not symbol long, first reads high eight-bit, utilize a ＜ ＜ 8 to shift statement this is non-
Symbol long carries out moving eight process, stores the 8th the most again, circulates four times, can data be combined,
Realization is called, multiplexing.
In embodiments of the present invention, described data cryptogram management module includes that password arranges unit, password identification list
Unit and clearing unit.
It is in the case of being identified original password that described password arranges unit, carries out depositing new password
Storage, when to original password identification and storing new password, it is necessary to utilize the method for time delay 20ms to enter button
Row disappears and trembles, and if statement to be utilized carries out three times repeating to judge whether that button is pressed really, utilizes button to sweep
Retouching unit to differentiate key position, and store corresponding data, storage position is original password
Storage address.
Described key scan unit uses 3*4 matrix keyboard layout, is separately provided successively by the often row of matrix keyboard
For low level, such that it is able to by the 4 of matrix keyboard row are carried out current potential identification, when certain row a is set to low
Level, and there is no to show low level and produce, then press without button, if having certain row b is low level, then may be used
Know that a row b row button is pressed, the most i.e. can determine that relative keys code, and utilize return ()
Function returns key.
Described password identification unit uses for Do statement that original password storage address is read out password
Operation, and each data read out are differentiated successively, if the misjudgment of a certain position, all can lead
Cause recognition failures.
Described clearing unit is to contain password identification unit, after password identification, by performing data-reusing list
Unit, by data assignment in some parameter a, with this parameter as minuend, it is achieved Protection Counter Functions.
Described unit protection module mainly uses electronic lock technology by block safe and reliable for system and device, has anti-
Robber, anti-accidental destruction function.
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Fig. 1 is the structural representation of present system.
A kind of vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption monitoring system, enters including electromotor
Outlet oil mass detection module, unit period fuel consumption data show and protect the total fuel consumption data of module, complete machine to show
With protection module, data cryptogram management module and unit protection module.
Fig. 2 is the structural representation that oil mass detection module imported and exported by electromotor.
Oil transfer pump connects fuel tank, and the diesel oil of absorption filters through diesel fuel filter, enters import fuel flowmeter,
Subsequently into low-lift pump, entering combustor, heat radiation oil return is returned through outlet fuel effusion meter by diesel fuel filter
To fuel tank.
Fig. 3 is unit period and the total fuel consumption data of complete machine shows and protects the structural representation of module.
Counting procedure carries out step-by-step counting to the fuel flowmeter imported and exported, and carries out every data process and deposit
Storage, the multiplexing procedure after being further carried out display and resetting.
Fig. 4 is the structural representation of data cryptogram management module.
Data cryptogram management includes that password setting, unit period oil consumption oil consumption clearing and the total fuel consumption data of complete machine are clear
Zero, it is both needed to therebetween original password is identified, therefore there is the safest and data management function easily.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (1)
1. a vehicle-mounted difunctional data protection formula Novel diesel engine oil consumption monitoring system, it is characterised in that this oil consumption monitoring system includes:
Oil mass detection module imported and exported by electromotor, it is installed between low-lift pump and oil transfer pump, achieve the detection that Diesel engine is imported and exported diesel oil flow, intuitively the amount of fuel of Diesel engine is monitored, it is to avoid ground carries out by third party detecting the administrative vulnerability brought；
Unit period fuel consumption data shows and protects module；
The total fuel consumption data of complete machine shows and protects module；
Data cryptogram management module, for password setting, password identification, clearing；
Unit protection module, uses electronic lock technology by block safe and reliable for system and device, has accidental destruction function antitheft, anti-；
Described electromotor imports and exports the main high-precision flow sensor of oil mass detection module, filter and fixing device composition, this module is installed between low-lift pump and oil transfer pump, achieve the detection that Diesel engine is imported and exported diesel oil flow, intuitively the amount of fuel of Diesel engine is monitored, it is to avoid ground carries out by third party detecting the administrative vulnerability brought；
Described high-precision flow sensor uses the V8 series volumetric flowmeter of Shanghai Ci Xi instrument and meter company limited, and it has the performance of high accuracy three-wire system pulse output, after pulse count, data is delivered to single-chip microcomputer minimum control system；
Described filter uses paper filter core diesel fuel filter, has good strainability to diesel oil；
The function of described fixing device is high-precision flow sensor and filter to be arranged between low-lift pump and oil transfer pump so that it is fixedly mount under the protection of vibration damping；
Described unit period fuel consumption data shows and protects module mainly by MAX7219 driving chip, six one common cathode charactron, function indicating modules and unit period fuel consumption data shows and protected location forms；
The total fuel consumption data of described complete machine shows and protects module mainly to be shown by MAX7219 driving chip, six one common cathode charactrons, function indicating module, the total fuel consumption data of complete machine and protected location and data Multiplexing Unit form；
Described unit period fuel consumption data shows and protected location includes unit period fuel consumption data pulse count unit, unit period fuel consumption data display unit, unit period fuel consumption data protection memory element and data Multiplexing Unit；
The total fuel consumption data of described complete machine shows and protected location includes complete machine total fuel consumption data pulse count unit, complete machine total fuel consumption data display unit and complete machine total fuel consumption data protection memory element；
Described pulse count unit, STC89C5A60S2 master chip T0 and T1 is used to count with working method 1 including unit period fuel consumption data pulse count unit and complete machine total fuel consumption data pulse count unit, enumerator initial value is disposed as 0, start enumerator, to there being no-carry to judge in counting process, if there being carry to perform interrupt location, no-carry, continue executing with, counting summation be low eight be multiplied by 256 with carry interrupt location parameter be multiplied by 65536 sums；
Described data display unit, one decimal mode of reservation is used to show including unit period fuel consumption data display unit and complete machine total fuel consumption data display unit, the form using (i/10^n) %10 carries out everybody process, this formal layout is convenient, accurate, then drives MAX7219 r/w cell to carry out the display of each bit value；
First CLK is set low by described MAX7219 r/w cell, data are made to write, perform DATA=data&0x80 unit and can make high position data identification, and preserve DATA, then by data ＜ ＜=1 statement identification next bit data, i.e. eight partial datas of writable data are circulated；
Described data protection memory element; including unit period fuel consumption data protection memory element and complete machine total fuel consumption data protection memory element; it needs the data stored to be is-not symbol long data; totally 32, store by an is-not symbol integer four figures group, first store low eight; utilize a ＞ ＞=8 to move eight statements and carry out high eight-bit storage; circulating four times, data can carry out storage protection, protection address is chosen on address depositing of clock chip DS12887；
Described data-reusing unit uses for Do statement to call the data of storage on DS12887, and be read out by an is-not symbol long, first read high eight-bit, utilize a ＜ ＜ 8 to shift statement to carry out this is-not symbol long moving eight process, store the 8th the most again, circulate four times, data can be combined, it is achieved call, multiplexing；
Described data cryptogram management module includes that password arranges unit, password identification unit and resets unit；
It is in the case of being identified original password that described password arranges unit, carry out the storage to new password, when to original password identification and new password being stored, button is disappeared and trembles by the method that must utilize time delay 20ms, and if statement to be utilized carries out three times repeating to judge whether that button is pressed really, utilizing key scan unit to differentiate key position, and store corresponding data, storage position is the storage address of original password；
Described key scan unit uses 3*4 matrix keyboard layout, the often row of matrix keyboard is separately provided as low level successively, such that it is able to by the 4 of matrix keyboard row are carried out current potential identification, when certain row a is set to low level, and there is no to show low level and produce, then press without button, if having certain row b is low level, then understand a row b row button to be pressed, the most i.e. can determine that relative keys code, and utilize return () function to return key；
Described password identification unit uses for Do statement that original password storage address is read out the operation of password, and differentiates each data read out successively, if the misjudgment of a certain position, all can cause recognition failures；
Described clearing unit is to contain password identification unit, after password identification, by performing data-reusing unit, by data assignment in some parameter a, with this parameter as minuend, it is achieved Protection Counter Functions；
Described unit protection module, uses electronic lock technology by block safe and reliable for system and device, has accidental destruction function antitheft, anti-.
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| CN102080974A (en) * | 2010-11-23 | 2011-06-01 | 上海神舟汽车设计开发有限公司 | Car fuel oil meter |
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2013
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|---|---|---|---|---|
| EP0210908A1 (en) * | 1985-07-11 | 1987-02-04 | Jaeger | Double-flow flow meter for measuring the flow or consumption of a fluid |
| CN102080974A (en) * | 2010-11-23 | 2011-06-01 | 上海神舟汽车设计开发有限公司 | Car fuel oil meter |
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| Title |
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