CN108757226A - A kind of motor petrol petroleum vapor recovery monitoring device and its monitoring method - Google Patents
A kind of motor petrol petroleum vapor recovery monitoring device and its monitoring method Download PDFInfo
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- CN108757226A CN108757226A CN201810491847.2A CN201810491847A CN108757226A CN 108757226 A CN108757226 A CN 108757226A CN 201810491847 A CN201810491847 A CN 201810491847A CN 108757226 A CN108757226 A CN 108757226A
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- pressure
- gas
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- 239000003208 petroleum Substances 0.000 title claims abstract description 26
- 238000011084 recovery Methods 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 239000002828 fuel tank Substances 0.000 claims abstract description 47
- 238000012546 transfer Methods 0.000 claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 239000003502 gasoline Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 211
- 238000007598 dipping method Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000008450 motivation Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
Abstract
The invention discloses a kind of motor petrol petroleum vapor recovery monitoring device and its monitoring methods, including device for recovering oil and gas, control device and cloud system；The device for recovering oil and gas includes fuel tank, gasoline, oil gas, oil gas input pipe, retracting device, oil gas efferent duct and oil fuel tube；The control device includes liquid level sensor, oil-air pressure sensor, oil gas delivery valve, retracting device pressure sensor, bent axle displacement sensor, bent axle, connecting rod, air inlet pipe oil gas transfer valve, throttle position sensor, engine air inlet tube, control unit and ambient pressure environment sensor；The cloud system includes in-vehicle transmitter, cloud platform and computer；The present invention can monitor the oil gas volatilization amount of automobile and be aggregated into cloud platform, and be analyzed oil gas volatilization amount data by cloud platform system, obtain the relationship between vehicle oil and gas loss total amount and city entirety weather conditions, scientific basis is provided for environmental improvement.
Description
Technical field
Present invention relates particularly to a kind of motor petrol petroleum vapor recovery monitoring device and its monitoring methods.
Background technology
With society and rapid development of economy, requirement of the people to air quality is increasingly stringenter, along with " haze "
The number that weather occurs is more and more, and the various factors of environmental pollution is caused to cause the great attention of people；Wherein automobile at
The object that people pay close attention to the most, people control the controlling input of vehicle exhaust a large amount of financial resources, material resources and manpower, vehicle exhaust
Reason is improved well, however people are not but deep enough to the research of automobile oil gas；Petrol gas is PM2.5 formation
Chief component is the important pollutant for causing environmental pollution；1 liter of gasoline can volatilize 100~400 liters of oil gas, along with outer
Boundary's environment（Temperature, wind etc.）Influence, influence of the oil gas to extraneous air quality is very big, spring especially few, dry in rain
And winter；Motor petrol exhaust of oil has no way of monitoring, and petrol gas discharge capacity generates that kind of specific influence is also had no way of to environment
It learns, huge difficulty is brought to environmental monitoring and improvement.
Be badly in need of a kind of motor petrol petroleum vapor recovery monitoring device regarding to the issue above, can to automobile gasoline exhaust of oil into
Row monitoring and data statistics administer weather pollution for science and provide scientific basis.
Invention content
The purpose of the present invention is to provide a kind of motor petrol petroleum vapor recovery monitoring device and its monitoring methods, which can
To monitor oil gas volatilization amount of each automobile under each operating mode in real time, and by cloud platform system to oil gas volatilization amount data into
Row identification is classified and is summarized, and administering weather pollution for science provides scientific basis.
The technical solution adopted by the present invention is as follows：A kind of motor petrol petroleum vapor recovery monitoring device, including petroleum vapor recovery dress
It sets, control device and cloud system；The device for recovering oil and gas include fuel tank, gasoline, oil gas, oil gas input pipe, retracting device,
Oil gas efferent duct and oil fuel tube；The control device includes liquid level sensor, oil-air pressure sensor, oil gas delivery valve, recycling
Device pressure sensor, bent axle displacement sensor, bent axle, connecting rod, air inlet pipe oil gas transfer valve, throttle position sensor, hair
Motivation air inlet pipe, control unit and ambient pressure environment sensor；The cloud system includes in-vehicle transmitter, cloud platform and calculating
Machine；It is characterized in that：
The fuel tank is mounted on vehicle chassis, internal storage gasoline；The oil gas is not turned in oil gas delivery valve
Under the conditions of be stored in the upper space of fuel tank；The oil gas input pipe right end bottom is connected with oil gas delivery valve, left side
It is connected with the right side of retracting device；Oil gas efferent duct upper end is connected with air inlet pipe oil gas transfer valve, right end and recycling
The left side of device is connected；The oil fuel tube is mounted on the right side of fuel tank, has the function of to fill gasoline；
The buoys float of the liquid level sensor is in the top of gasoline, the input terminal phase of signal output terminal and control unit
Even, for monitoring the liquid level of gasoline；The oil-air pressure sensor is mounted in fuel tank head interior sidewall surface, signal output
Terminal is connected with the input terminal of control unit；The oil gas delivery valve is mounted in fuel tank head outside wall surface, upper end and oil
Gas input pipe lower end is connected, and the input terminal of oil gas delivery valve is connected with control unit leading-out terminal；The retracting device pressure
Sensor is mounted on the madial wall of retracting device, and signal output terminal is connected with the input terminal of control unit；The song
Axle position displacement sensor is mounted on the right side of bent axle right side, and signal output terminal is connected with the input terminal of control unit；Institute
Crankshaft installed is stated on engine housing, is connected with connecting rod at crank；The connecting rod top and the pin phase inside engine piston
Even, it is connected at lower end and the crank of bent axle；The air inlet pipe oil gas transfer valve is mounted on the lower end outer wall face of engine air inlet tube
On, lower end is connected with oil gas efferent duct, and signal input terminal is connected with the leading-out terminal of control unit；The throttle position
Sensor is mounted in engine air inlet tube round tube upper inside wall, and air throttle passes through the central shaft that is fixed on air inlet pipe wall surface
In engine air inlet tube round tube；The engine air inlet tube is mounted on the right side of engine intake valve；The control
Unit is mounted on motorcar interior, and individual leading-out terminal connection in-vehicle transmitter is arranged simultaneously thereon；The external environment
Pressure sensor is mounted on automobile external, and signal output terminal is connected with the input terminal of control unit；
The in-vehicle transmitter is mounted on motorcar interior, and input terminal is connected with the leading-out terminal of control unit；It is described
Cloud platform is placed in a fixed computer room, has single leading-out terminal to be connected with the input terminal of computer；The calculating
Machine is placed in cloud platform in the same computer room.
Further, the material of the fuel tank is plastics.
The monitoring method of above-mentioned motor petrol petroleum vapor recovery monitoring device, it is characterised in that：It is recycled including petroleum vapor recovery
Process, oil gas component classification monitoring method and pressure and quality conversion relationship：
（1）The petroleum vapor recovery recycles the process to be：Gasoline is stored in fuel tank, is made on fuel tank by the interference of external environment
The oil gas in portion space increases, and when the oil-air pressure value of fuel tank reaches setting high-value, oil-air pressure sensor is monitoring
Oil-air pressure signal is transported in control unit and handles, and control unit sends out open signal to oil gas delivery valve, in fuel tank
Oil gas flow through oil gas delivery valve and oil gas input pipe and reach in retracting device, when the pressure in fuel tank drops to setting low level
When value, control unit receives and sends out out code to oil gas delivery valve after oil-air pressure cell pressure signal value；Work as recycling
When the oil-air pressure assembled in device is more than ambient pressure environment value, retracting device pressure sensor is conveyed to control unit to be believed
Number, while when control unit monitors bent axle by bent axle displacement sensor and is in normal operating conditions, control unit is to air inlet pipe
Oil gas transfer valve sends open signal, after the unlatching of air inlet pipe oil gas transfer valve, work of the oil gas in pressure difference in retracting device
Oil gas is conveyed into cylinder with lower, until the oil-air pressure value and external environment pressure of the output of retracting device pressure sensor
When force value is identical, control unit sends out out code to air inlet pipe oil gas transfer valve；When the oil-air pressure in retracting device exceeds
When setting high-value, and when bent axle displacement sensor detects that engine is in off position, retracting device pressure sensor
Pressure signal is sent out to control unit, receives through control unit and judges, sends out open command to air inlet pipe oil gas transfer valve, directly
Oil-air pressure in retracting device is less than highest set value, and retracting device pressure sensor sends out pressure letter to control unit
Number, control unit sends out out code to air inlet pipe oil gas transfer valve；
（2）The oil gas component classification monitoring method is：Liquid level sensor, oil-air pressure sensor, retracting device pressure sensing
Device, bent axle displacement sensor and ambient pressure environment sensor transmit electric signal to control unit in real time, and electrical signal data passes through
In-vehicle transmitter and receiver are aggregated into cloud platform, finally pass through cloud platform and carry out Classifying Sum to oil gas volatilization amount, concentrate and ask
With and data analysis；
When the oil level of liquid level sensor detection is in low level limits value, while the pressure that oil-air pressure sensor detects in fuel tank
Signal quickly increases again, and operating mode at this time is oiling operating mode, and the oil gas recycled in this time is oiling oil gas, control unit handle
The pressure value of detection is recorded, and sends signal to cloud platform in real time by in-vehicle transmitter；
It engine run signal and is continued for some time when bent axle displacement sensor is no longer transmitted to control unit, in this time
The waste heat of engine can cause oil gas volatilization, and the oil gas recycled within this time is hot dipping oil gas, the timing time of this section by
Timer setting in control unit is completed, and control unit records the oil-air pressure of this time formation in real time, and by vehicle-mounted
Transmitter sends signal to cloud platform in real time；
It is gradually risen when control unit receives in fuel tank pressure value and is in, and maintains a period of time, oil gas in this time
The generation of amount is oil gas evaporation caused by being heated to fuel tank fuel due to atmospheric temperature, this section of oil gas volatilization is oily between daytime
Gas；The timing time of this section is set by the timer in control unit and is completed, and control unit records what this time was formed in real time
Oil-air pressure, and signal is sent to cloud platform by in-vehicle transmitter in real time；
When the oil-air pressure in retracting device is beyond setting high-value, and bent axle displacement sensor detects that engine is in not
When working condition, retracting device pressure sensor sends out pressure signal to control unit, receives through control unit and judges, Xiang Jin
Tracheae oil gas transfer valve sends out open command, until the oil-air pressure in retracting device is less than highest set value, retracting device pressure
Force snesor sends out pressure signal to control unit, and control unit sends out out code to air inlet pipe oil gas transfer valve；This process
Middle retracting device discharges into the atmosphere extra oil gas, and the oil gas of stage release is loss oil gas；
Cloud platform is identified the signal that each car is sent, classifies and summarizes, and finally obtains the oil and gas content that totally recycles and each
Oil gas component under kind operating mode, oil gas component includes oiling oil gas component, hot dipping oil gas component, oil gas component and oil gas damage between daytime
The amount of losing points；Cloud platform carries out summation by oil gas component to oiling oil gas component, hot dipping oil gas component and between daytime and obtains each vapour
The amount of vehicle petroleum vapor recovery, and add up to each automobile oil gas yield, obtain the total amount of rolling stock petroleum vapor recovery；Yun Ping
Platform simultaneously adds up to each automobile oil gas loss component, and judge and analyzing oil and gas evapotranspiration and ambient atmosphere quality it
Between relationship；
（3）The pressure is with quality conversion relationship：According to The Ideal-Gas Equation：PV=(mRT/M) can be obtained, m=pVM/RT
The pressure of p-gas, unit are usually atm or kPa；
The volume of V-gas, unit L；
The molal weight 28.97g/ mol of M-air
The J/mol.k of R-gas constant, R=8.314411
The absolute temperature of T-gas, unit K
It can be made by test of many times by the formula relationship and correspond to table between oil-air pressure and quality；The collection of cloud platform handle,
Sorted oil-air pressure corresponds to the quality of olefiant gas.
The beneficial effects of the present invention are：A kind of motor petrol petroleum vapor recovery monitoring device and its monitoring method are provided, led to
It crosses the oil gas volatilization amount for monitoring each automobile and is aggregated into cloud platform, analyze motor petrol oil gas volatilization amount in real time to city sky
The influence degree of makings amount, and oil gas volatilization amount data being analyzed by cloud platform system, obtain oil and gas content number and
Relationship between the entirety weather conditions of city provides the improvement foundation of science for environmental management department.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：Fuel tank 1, gasoline 2, oil gas 3, liquid level sensor 4, oil-air pressure sensor 5, oil gas delivery valve 6, oil gas
Input pipe 7, retracting device pressure sensor 8, retracting device 9, bent axle displacement sensor 10, bent axle 11, connecting rod 12, oil gas output
Pipe 13, air inlet pipe oil gas transfer valve 14, throttle position sensor 15, engine air inlet tube 16, control unit 17, external environment
Pressure sensor 18, in-vehicle transmitter 19, cloud platform 20, computer 21, oil fuel tube 22, air throttle 23.
Specific implementation mode
It is below the better embodiment of the present invention, but is not intended to limit the scope of the present invention.
A kind of motor petrol petroleum vapor recovery monitoring device, including device for recovering oil and gas, control device and cloud system；It is described
Device for recovering oil and gas includes fuel tank 1, gasoline 2, oil gas 3, oil gas input pipe 7, retracting device 9, oil gas efferent duct 13 and oiling
Pipe 22；The control device includes liquid level sensor 4, oil-air pressure sensor 5, oil gas delivery valve 6, retracting device pressure sensing
Device 8, bent axle 11, connecting rod 12, air inlet pipe oil gas transfer valve 14, throttle position sensor 15, starts bent axle displacement sensor 10
Machine air inlet pipe 16, control unit 17 and ambient pressure environment sensor 18；The cloud system includes in-vehicle transmitter 19, cloud platform
20 and computer 21；It is characterized in that：
The fuel tank 1 is mounted on vehicle chassis, internal storage gasoline 2；The oil gas 3 is in oil gas delivery valve 6 without beating
The upper space of fuel tank 1 is stored under conditions of opening；7 right end bottom of the oil gas input pipe is connected with oil gas delivery valve 6,
Left side is connected with the right side of retracting device 9；7 upper end of oil gas efferent duct is connected with air inlet pipe oil gas transfer valve 14,
Right end is connected with the left side of retracting device 9；The oil fuel tube 22 is mounted on the right side of fuel tank 1, has the function of to fill gasoline；
The buoys float of the liquid level sensor 4 is in the top of gasoline 2, the input terminal of signal output terminal and control unit 17
Son is connected, for monitoring the liquid level of gasoline 2；The oil-air pressure sensor 5 is mounted on 1 inside top wall surface of fuel tank,
Signal output terminal is connected with the input terminal of control unit 17；The oil gas delivery valve 6 is mounted on 1 top exterior walls face of fuel tank
On, upper end is connected with 7 lower end of oil gas input pipe, and the input terminal of oil gas delivery valve 6 is connected with 17 leading-out terminal of control unit；Institute
Retracting device pressure sensor 8 is stated on the madial wall of retracting device 9, signal output terminal is defeated with control unit 17
Enter terminal to be connected；The bent axle displacement sensor 10 is mounted on the right side of 11 right side of bent axle, signal output terminal and control
The input terminal of unit 17 is connected；The bent axle 11 is mounted on engine housing, is connected with connecting rod 12 at crank；The connecting rod
12 tops are connected with the pin inside engine piston, are connected at lower end and the crank of bent axle 11；The air inlet pipe oil gas transfer valve
14 be mounted on engine air inlet tube 16 lower end outer wall face on, lower end is connected with oil gas efferent duct 13, signal input terminal and
The leading-out terminal of control unit 17 is connected；The throttle position sensor 15 is mounted in engine air inlet tube round tube top
On wall, air throttle 23 is by being fixed on the central shaft on air inlet pipe wall surface in engine air inlet tube round tube；The hair
Motivation air inlet pipe 16 is mounted on the right side of engine intake valve；Described control unit 17 is mounted on motorcar interior, thereon together
When individual leading-out terminal connection in-vehicle transmitter 19 is set；The ambient pressure environment sensor 18 is mounted on automobile external,
Its signal output terminal is connected with the input terminal of control unit；
The in-vehicle transmitter 19 is mounted on motorcar interior, and input terminal is connected with the leading-out terminal of control unit 17；
The cloud platform 20 is placed in a fixed computer room, has single leading-out terminal and the input terminal of computer 21 to be connected；
The computer 21 is placed in cloud platform 20 in the same computer room.
Further, the material of the fuel tank 1 is plastics.
The monitoring method of above-mentioned motor petrol petroleum vapor recovery monitoring device, it is characterised in that：It is recycled including petroleum vapor recovery
Process, oil gas component classification monitoring method and pressure and quality conversion relationship：
（1）The petroleum vapor recovery recycles the process to be：Gasoline 2 is stored in fuel tank 1, is made fuel tank by the interference of external environment
The oil gas 3 of 1 upper space increases, when the oil-air pressure value of fuel tank 1 reaches setting high-value, oil-air pressure sensor 5
The oil-air pressure signal of monitoring is transported in control unit 17 and handles, and control unit 17 sends out unlatching letter to oil gas delivery valve 6
Number, the oil gas 3 in fuel tank 1 flows through oil gas delivery valve 6 and oil gas input pipe 7 reaches in retracting device 9, when in fuel tank 1
When pressure drops to setting low-value, control unit 17 exports after receiving 5 pressure signal value of oil-air pressure sensor to oil gas
Valve 6 sends out out code；When 3 pressure of oil gas assembled in retracting device 9 is more than ambient pressure environment value, retracting device pressure
Sensor 8 conveys signal to control unit 17, while control unit 17 monitors bent axle 11 by bent axle displacement sensor 10 and is in
When normal operating conditions, control unit 17 sends open signal to air inlet pipe oil gas transfer valve 14, waits for air inlet pipe oil gas transfer valve
After 14 open, oil gas 3 conveys oil gas into cylinder under the action of pressure difference in retracting device 9, until recycling fills
Set pressure sensor 8 output oil-air pressure value it is identical as ambient pressure environment value when, control unit 17 is defeated to air inlet pipe oil gas
Enter valve 14 and sends out out code；When the oil-air pressure in retracting device 9 is beyond setting high-value, and bent axle displacement sensor 10
When detecting that engine is in off position, retracting device pressure sensor 8 sends out pressure signal to control unit 17, through control
Unit 17 processed receives and judges, open command is sent out to air inlet pipe oil gas transfer valve 14, until the oil-air pressure in retracting device 9
Less than highest set value, retracting device pressure sensor 8 sends out pressure signal to control unit 17, and control unit 17 is to air inlet pipe
Oil gas transfer valve 14 sends out out code；
（2）The oil gas component classification monitoring method is：Liquid level sensor 4, oil-air pressure sensor 5, retracting device pressure pass
Sensor 8, bent axle displacement sensor 10 and ambient pressure environment sensor 18 transmit electric signal, electric signal to control unit 17 in real time
Data are aggregated into cloud platform 20 by in-vehicle transmitter 19 and receiver, finally divide oil gas volatilization amount by cloud platform 20
Class summarizes, concentration is summed and data analysis；
When the oil level that liquid level sensor 4 detects is in low level limits value, while the detection of oil-air pressure sensor 5 in fuel tank 1
Pressure signal quickly increases again, and operating mode at this time is oiling operating mode, and the oil gas recycled in this time is oiling oil gas, and control is single
Member 17 records the pressure value of detection, and sends signal to cloud platform 20 in real time by in-vehicle transmitter 19；
It engine run signal and is continued for some time when bent axle displacement sensor 10 is no longer transmitted to control unit 17, at this section
Between the waste heat of intrinsic motivation can cause oil gas volatilization, the oil gas recycled within this time is hot dipping oil gas, when the timing of this section
Between by control unit 17 timer set complete, control unit 17 record in real time this time formation oil-air pressure, and
By in-vehicle transmitter 19 signal is sent to cloud platform 20 in real time；
It is gradually risen when control unit 17 receives in fuel tank 1 pressure value and is in, and maintains a period of time, oil in this time
The generation of tolerance is oil gas evaporation caused by being heated to 1 fuel of fuel tank due to atmospheric temperature, this section of oil gas volatilization is between daytime
Oil gas；The timing time of this section is set by the timer in control unit 17 and is completed, and control unit 17 records this time in real time
The oil-air pressure of formation, and signal is sent to cloud platform 20 by in-vehicle transmitter 19 in real time；
When the oil-air pressure in retracting device 9 is beyond setting high-value, and bent axle displacement sensor 10 detects at engine
When off position, retracting device pressure sensor 8 sends out pressure signal to control unit 17, receives simultaneously through control unit 17
Judge, open command is sent out to air inlet pipe oil gas transfer valve 14, until the oil-air pressure in retracting device 9 is less than highest setting
Value, retracting device pressure sensor 8 send out pressure signal to control unit 17, and control unit 17 is to air inlet pipe oil gas transfer valve 14
Send out out code；Retracting device 9 discharges into the atmosphere extra oil gas during this, and the oil gas of stage release is loss
Oil gas；
Cloud platform 20 is identified the signal that each car is sent, classify and summarize, finally obtain the oil and gas content that totally recycles and
Oil gas component under various operating modes, oil gas component include oiling oil gas component, hot dipping oil gas component, oil gas component and oil gas between daytime
Lose component；Cloud platform 20 by oil gas component to oiling oil gas component, hot dipping oil gas component and between daytime carry out summation obtain it is every
The amount of automobile oil gas recycling, and add up to each automobile oil gas yield, obtain the total amount of rolling stock petroleum vapor recovery；
Cloud platform simultaneously adds up to each automobile oil gas loss component, and judges and analyzing oil and gas evapotranspiration and ambient atmosphere matter
Relationship between amount；
（3）The pressure is with quality conversion relationship：According to The Ideal-Gas Equation：PV=(mRT/M) can be obtained, m=pVM/RT
The pressure of p-gas, unit are usually atm or kPa；
The volume of V-gas, unit L；
The molal weight 28.97g/ mol of M-air
The J/mol.k of R-gas constant, R=8.314411
The absolute temperature of T-gas, unit K
It can be made by test of many times by the formula relationship and correspond to table between oil-air pressure and quality；The collection of cloud platform handle,
Sorted oil-air pressure corresponds to the quality of olefiant gas.
Although with reference to previous examples, invention is explained in detail, for those skilled in the art,
Still the technical solution recorded in foregoing embodiments can be carried out and change, or be carried out to which part technical characteristic etc.
With replacing, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection domain of invention.
Claims (3)
1. a kind of motor petrol petroleum vapor recovery monitoring device, including device for recovering oil and gas, control device and cloud system；The oil
Gas recovering device includes fuel tank, gasoline, oil gas, oil gas input pipe, retracting device, oil gas efferent duct and oil fuel tube；The control
Device processed includes liquid level sensor, oil-air pressure sensor, oil gas delivery valve, retracting device pressure sensor, bent axle displacement biography
Sensor, bent axle, connecting rod, air inlet pipe oil gas transfer valve, throttle position sensor, engine air inlet tube, control unit and the external world
Ambient pressure sensor；The cloud system includes in-vehicle transmitter, cloud platform and computer；It is characterized in that：
The fuel tank is mounted on vehicle chassis, internal storage gasoline；The oil gas is not turned in oil gas delivery valve
Under the conditions of be stored in the upper space of fuel tank；The oil gas input pipe right end bottom is connected with oil gas delivery valve, left side
It is connected with the right side of retracting device；Oil gas efferent duct upper end is connected with air inlet pipe oil gas transfer valve, right end and recycling
The left side of device is connected；The oil fuel tube is mounted on the right side of fuel tank；
The buoys float of the liquid level sensor is in the top of gasoline, the input terminal phase of signal output terminal and control unit
Even；The oil-air pressure sensor is mounted in fuel tank head interior sidewall surface, signal output terminal and control unit it is defeated
Enter terminal to be connected；The oil gas delivery valve is mounted in fuel tank head outside wall surface, and upper end is connected with oil gas input pipe lower end, oil
The input terminal of gas delivery valve is connected with control unit leading-out terminal；The retracting device pressure sensor is mounted on retracting device
Madial wall on, signal output terminal is connected with the input terminal of control unit；The bent axle displacement sensor is mounted on song
The right side of axis right side, signal output terminal are connected with the input terminal of control unit；The crankshaft installed is in engine case
On body, it is connected with connecting rod at crank；It is connected with the pin inside engine piston at the top of the connecting rod, at the crank of lower end and bent axle
It is connected；The air inlet pipe oil gas transfer valve is mounted on the lower end outer wall face of engine air inlet tube, lower end and oil gas efferent duct phase
Even, signal input terminal is connected with the leading-out terminal of control unit；The throttle position sensor be mounted on engine into
In tracheae round tube upper inside wall, air throttle is justified by the central shaft being fixed on air inlet pipe wall surface mounted on engine air inlet tube
In shape pipe；The engine air inlet tube is mounted on the right side of engine intake valve；Described control unit is mounted in body of a motor car
Individual leading-out terminal connection in-vehicle transmitter is arranged in portion simultaneously thereon；The ambient pressure environment sensor is mounted on automobile
Outside, signal output terminal are connected with the input terminal of control unit；
The in-vehicle transmitter is mounted on motorcar interior, and input terminal is connected with the leading-out terminal of control unit；It is described
Cloud platform is placed in a fixed computer room, has single leading-out terminal to be connected with the input terminal of computer；The calculating
Machine is placed in cloud platform in the same computer room.
2. motor petrol petroleum vapor recovery monitoring device according to claim 1, it is characterized in that:The material of the fuel tank
For plastics.
3. a kind of monitoring method using motor petrol petroleum vapor recovery monitoring device described in claim 1, it is characterised in that：Packet
It includes petroleum vapor recovery and recycles process, oil gas component classification monitoring method and pressure and quality conversion relationship：
（1）The petroleum vapor recovery recycles the process to be：Gasoline is stored in fuel tank, is made on fuel tank by the interference of external environment
The oil gas in portion space increases, and when the oil-air pressure value of fuel tank reaches setting high-value, oil-air pressure sensor is monitoring
Oil-air pressure signal is transported in control unit and handles, and control unit sends out open signal to oil gas delivery valve, in fuel tank
Oil gas flow through oil gas delivery valve and oil gas input pipe and reach in retracting device, when the pressure in fuel tank drops to setting low level
When value, control unit receives and sends out out code to oil gas delivery valve after oil-air pressure cell pressure signal value；Work as recycling
When the oil-air pressure assembled in device is more than ambient pressure environment value, retracting device pressure sensor is conveyed to control unit to be believed
Number, while when control unit monitors bent axle by bent axle displacement sensor and is in normal operating conditions, control unit is to air inlet pipe
Oil gas transfer valve sends open signal, after the unlatching of air inlet pipe oil gas transfer valve, work of the oil gas in pressure difference in retracting device
Oil gas is conveyed into cylinder with lower, until the oil-air pressure value and external environment pressure of the output of retracting device pressure sensor
When force value is identical, control unit sends out out code to air inlet pipe oil gas transfer valve；When the oil-air pressure in retracting device exceeds
When setting high-value, and when bent axle displacement sensor detects that engine is in off position, retracting device pressure sensor
Pressure signal is sent out to control unit, receives through control unit and judges, sends out open command to air inlet pipe oil gas transfer valve, directly
Oil-air pressure in retracting device is less than highest set value, and retracting device pressure sensor sends out pressure letter to control unit
Number, control unit sends out out code to air inlet pipe oil gas transfer valve；
（2）The oil gas component classification monitoring method is：Liquid level sensor, oil-air pressure sensor, retracting device pressure sensing
Device, bent axle displacement sensor and ambient pressure environment sensor transmit electric signal to control unit in real time, and electrical signal data passes through
In-vehicle transmitter and receiver are aggregated into cloud platform, finally pass through cloud platform and carry out Classifying Sum to oil gas volatilization amount, concentrate and ask
With and data analysis；
When the oil level of liquid level sensor detection is in low level limits value, while the pressure that oil-air pressure sensor detects in fuel tank
Signal quickly increases again, and operating mode at this time is oiling operating mode, and the oil gas recycled in this time is oiling oil gas, control unit handle
The pressure value of detection is recorded, and sends signal to cloud platform in real time by in-vehicle transmitter；
It engine run signal and is continued for some time when bent axle displacement sensor is no longer transmitted to control unit, in this time
The waste heat of engine can cause oil gas volatilization, and the oil gas recycled within this time is hot dipping oil gas, the timing time of this section by
Timer setting in control unit is completed, and control unit records the oil-air pressure of this time formation in real time, and by vehicle-mounted
Transmitter sends signal to cloud platform in real time；
It is gradually risen when control unit receives in fuel tank pressure value and is in, and maintains a period of time, oil gas in this time
The generation of amount is oil gas evaporation caused by being heated to fuel tank fuel due to atmospheric temperature, this section of oil gas volatilization is oily between daytime
Gas；The timing time of this section is set by the timer in control unit and is completed, and control unit records what this time was formed in real time
Oil-air pressure, and signal is sent to cloud platform by in-vehicle transmitter in real time；
When the oil-air pressure in retracting device is beyond setting high-value, and bent axle displacement sensor detects that engine is in not
When working condition, retracting device pressure sensor sends out pressure signal to control unit, receives through control unit and judges, Xiang Jin
Tracheae oil gas transfer valve sends out open command, until the oil-air pressure in retracting device is less than highest set value, retracting device pressure
Force snesor sends out pressure signal to control unit, and control unit sends out out code to air inlet pipe oil gas transfer valve；This process
Middle retracting device discharges into the atmosphere extra oil gas, and the oil gas of stage release is loss oil gas；
Cloud platform is identified the signal that each car is sent, classifies and summarizes, and finally obtains the oil and gas content that totally recycles and each
Oil gas component under kind operating mode, oil gas component includes oiling oil gas component, hot dipping oil gas component, oil gas component and oil gas damage between daytime
The amount of losing points；Cloud platform carries out summation by oil gas component to oiling oil gas component, hot dipping oil gas component and between daytime and obtains each vapour
The amount of vehicle petroleum vapor recovery, and add up to each automobile oil gas yield, obtain the total amount of rolling stock petroleum vapor recovery；Yun Ping
Platform simultaneously adds up to each automobile oil gas loss component, and judge and analyzing oil and gas evapotranspiration and ambient atmosphere quality it
Between relationship；
（3）The pressure is with quality conversion relationship：According to The Ideal-Gas Equation：PV=(mRT/M) can be obtained, m=pVM/RT
The pressure of p-gas, unit are usually atm or kPa；
The volume of V-gas, unit L；
The molal weight 28.97g/ mol of M-air
The J/mol.k of R-gas constant, R=8.314411
The absolute temperature of T-gas, unit K
It can be made by test of many times by the formula relationship and correspond to table between oil-air pressure and quality；The collection of cloud platform handle,
Sorted oil-air pressure corresponds to the quality of olefiant gas.
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| CN108757226B (en) | 2024-01-23 |
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