CN108035826A - Hybrid vehicle hydrocarbon emission control system - Google Patents
Hybrid vehicle hydrocarbon emission control system Download PDFInfo
- Publication number
- CN108035826A CN108035826A CN201711243103.0A CN201711243103A CN108035826A CN 108035826 A CN108035826 A CN 108035826A CN 201711243103 A CN201711243103 A CN 201711243103A CN 108035826 A CN108035826 A CN 108035826A
- Authority
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- China
- Prior art keywords
- pressure
- canister
- processor
- oil tank
- hybrid vehicle
- 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.)
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- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 54
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 54
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 239000002828 fuel tank Substances 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 206010020852 Hypertonia Diseases 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- 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
- F02M25/0809—Judging failure of purge control system
- F02M25/0827—Judging failure of purge control system by monitoring engine running conditions
-
- 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
- F02D41/0032—Controlling the purging of the canister as a function of the engine operating conditions
- F02D41/004—Control of the valve or purge actuator, e.g. duty cycle, closed loop control of position
-
- 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
- F02M2025/0845—Electromagnetic valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention provides a kind of hybrid vehicle hydrocarbon emission control system,Including fuel tank detection module,Canister detection module,Isolate valve group and processor,Processor respectively with fuel tank detection module,Canister detection module and isolation valve group are electrically connected,Fuel tank detection module and canister detection module are used to detect current gas pressure value and current hydrocarbon adsorbance in pressure-oil tank and canister respectively,And testing result is sent to processor,Isolation valve group includes pressure release component,High pressure gas component and low inflation component,The present invention passes through processor and engine,Isolate the electric connection design of valve group,The effective gas transmission on-off function played between control pressure-oil tank and canister,And then when detecting that engine is not in working status,It will be isolated between pressure-oil tank and canister,By oil vapour control in pressure-oil tank,It is effectively controlled hydrocarbon discharge and prevents pollution to environment.
Description
Technical field
The present invention relates to Development of HEV Technology field, more particularly to a kind of hybrid vehicle hydrocarbon emission control system
System.
Background technology
Hybrid vehicle (Hybrid Vehicle), refers to that driver for vehicle can be operated at the same time by two or more
The vehicle that single drive system constitutes jointly, the vehicle running state of the road horsepower foundation reality of vehicle is by single drive system
Separately or cooperatively provide, driver for vehicle is constituted jointly by two or more single drive systems that can be operated at the same time, vehicle
Road horsepower separately or cooperatively provided by single drive system according to actual vehicle running state.The section of motor vehicle driven by mixed power
The features such as energy, low emission, causes the very big of motor-dom and pays close attention to and as automotive research and the emphasis developed.Hybrid power
The advantages of device had both played engine continuous longevity of service, good dynamic property, and can play that motor is pollution-free, low noise
Benefit, the two " is fought side by side ", learns from other's strong points to offset one's weaknesses, and the thermal efficiency of automobile can improve more than 10%, and exhaust gas discharge can improve 30%
More than.
When existing hybrid vehicle is in electric-only mode, the not actuated oil for leading to not be desorbed in canister of engine
Steam, when long-time uses electric-only mode, canister meeting adsorption saturation causes the adsorption function failure to oil vapour, and oil steams
Vapour is directly discharged into air and pollutes, and can not meet six laws and regulations requirement of state, cause vehicle can not volume production.
The content of the invention
Based on this, the embodiment of the present invention provides a kind of hybrid vehicle hydrocarbon emission control system, existing for solving
Mixed power vehicle in, when long-time fails the adsorption function of oil vapour using electric-only mode canister, cause oil vapour straight
Run in the problem of being polluted into air.
The present invention provides a kind of hybrid vehicle hydrocarbon emission control system, for control pressure-oil tank and canister it
Between hydrocarbon emission, including the fuel tank detection module in the pressure-oil tank, the canister in the canister detection mould
Block, isolating valve group and electrically connect with the engine of the hybrid vehicle between the pressure-oil tank and the canister
The processor connect, the processor respectively with the fuel tank detection module, the canister detection module and it is described isolate valve group electricity
Property connection, the fuel tank detection module and the canister detection module are used to detect respectively in the pressure-oil tank and the canister
Current gas pressure value and current hydrocarbon adsorbance, and testing result is sent to the processor, the isolation valve group includes point
Pressure release component, high pressure gas component and the low inflation component not being electrically connected with the processor；
The processor is used for when detecting that the engine is not in working status, controls the isolation valve group to close
Close, to prevent the oil vapour in the pressure-oil tank to be discharged into the canister, and when determine the current gas pressure value be not in it is pre-
If when in the range of atmospheric pressure value, sending a control signal to the isolation valve group, to control the high pressure gas component or the low pressure
Inflatable component is opened.
Above-mentioned hybrid vehicle hydrocarbon emission control system, by the processor and the engine, described isolates
The electric connection design of valve group, effectively plays the gas transmission on-off function controlled between the pressure-oil tank and the canister,
And then when detecting that the engine is not in working status, will be isolated between the pressure-oil tank and the canister,
By oil vapour control in the pressure-oil tank, it is effectively controlled hydrocarbon discharge and prevents pollution to environment, pass through institute
The design of fuel tank detection module and the canister detection module is stated, can be effectively to the number in the pressure-oil tank and the canister
According to being collected, and then judgement of the processor to state in the pressure-oil tank and the canister is facilitated, by described
The design of pressure release component, for meeting normal air pressure discharge in the pressure-oil tank, passes through the high pressure gas component and institute
The design of low inflation component is stated, for carrying out emergency processing when the air pressure in the pressure-oil tank is in limiting condition, is prevented
Stop the damage of the pressure-oil tank, improve service life.
Further, the fuel tank detection module includes being electrically connected with the processor respectively oil liquid detection device, the
One pressure detector and the first temperature detector, the oil liquid detection device is arranged in the internal side wall of the pressure-oil tank, described
First pressure detector is arranged in the top inner wall of the pressure-oil tank, and first temperature detector is arranged on the pressure-oil tank
Bottom interior wall on.
Further, the hybrid vehicle hydrocarbon emission control system further includes Valve EGR, the canister electricity
Magnet valve is arranged between the canister and the inlet manifold of the hybrid vehicle, and the Valve EGR is used to control the carbon
The aperture of conveying capacity between tank and the inlet manifold.
Further, the canister detection module include respectively with the processor be electrically connected hydrocarbon amount detector,
Second pressure detector and second temperature detector, the second pressure detector are arranged in the top inner wall of the canister, institute
Second temperature detector is stated in the bottom interior wall of the canister.
Further, the fuel tank detection module further includes the distance detector being electrically connected with the processor, described
Distance detector is arranged on mounting hole between the pressure-oil tank and the open out push rod of the hybrid vehicle, it is described away from
It is used for the displacement distance for detecting the open out push rod from detector, testing result is sent to the processor.
Further, the hybrid vehicle hydrocarbon emission control system further includes wireless communication module, described wireless
Communication module is electrically connected with the processor, and the wireless communication module is used for when the processor determines the current gas
When pressure value or the current hydrocarbon adsorbance are in preset range, wireless communication signal is sent.
Further, the communication modes that the wireless communication module uses is at least one in wifi, bluetooth or zigbee
Kind.
Further, a display is electrically connected with the processor, the display is used to connect the processor
Received data are shown.
Further, the scope of the preset pressure value is -9kpa to 32kpa.
Further, the processor is vehicle ECU, and the processor is made of PLC or microcontroller.
Brief description of the drawings
Fig. 1 is the modular structure signal for the hybrid vehicle hydrocarbon emission control system that first embodiment of the invention provides
Figure；
Fig. 2 is the device structure schematic diagram of hybrid vehicle hydrocarbon emission control system in Fig. 1；
Fig. 3 is the modular structure signal for the hybrid vehicle hydrocarbon emission control system that second embodiment of the invention provides
Figure；
Essential element symbol description：
Embodiment
For the ease of more fully understanding the present invention, the present invention is carried out further below in conjunction with related embodiment attached drawing
Explain.The embodiment of the present invention is given in attached drawing, but the present invention is not limited in above-mentioned preferred embodiment.Conversely, there is provided
The purpose of these embodiments be in order to make disclosure of the invention face more fully.
Six regulation of state strengthens the hydrocarbon emission control to vehicle, and hydrocarbon emission is mainly derived from fuel evaporation infiltration,
Conventional gasoline car adsorbs oil vapour by canister, controls fuel evaporation to permeate through engine desorption, because hybrid vehicle is deposited
In electric-only mode, the not actuated oil vapour that can not be desorbed in canister of engine, when long-time uses electric-only mode, canister is inhaled
Attached saturation, can cause following problem：
1) failing after canister adsorption saturation, oil vapour is directly discharged into air and pollutes, and can not meet six laws and regulations requirement of state,
Vehicle can not volume production；
2) vehicle causes customer to complain there may be smell of petrol；
Therefore can effectively hydrocarbon emission between canister and fuel tank be controlled it is an object of the invention to provide a kind of
Hybrid vehicle hydrocarbon emission control system, pollution to environment is prevented to improve the experience of user.
Please refer to Fig.1 to Fig. 2, the hybrid vehicle hydrocarbon emission control system provided for first embodiment of the invention
100 modular structure schematic diagram and device structure schematic diagram, for controlling the hydrocarbon row between pressure-oil tank 101 and canister 102
Put, including the fuel tank detection module 10 in the pressure-oil tank 101, the canister detection module in the canister 102
20th, isolating valve group 30 and start with the hybrid vehicle between the pressure-oil tank 101 and the canister 102
The processor 40 that machine is electrically connected, it is described to isolate in valve group 30 at least provided with a valve body.
The processor 40 is respectively with the fuel tank detection module 10, the canister detection module 20 and described isolating valve group
30 are electrically connected, and the fuel tank detection module 10 and the canister detection module 20 are used to detect the pressure-oil tank 101 respectively
With the current gas pressure value in the canister 102 and current hydrocarbon adsorbance, and testing result is sent to the processor 40, with
The processor 40 is set to carry out the judgement of state according to the data received.
In the present embodiment, the processor 40 detects the state of the engine in real time, when detecting the engine
When being not in working status, the isolation valve group 30 is sent a control signal to, to disconnect the pressure-oil tank 101 and the canister
Hydrocarbon emission between 102, so as to control the oil vapour in the pressure-oil tank 101 in the pressure-oil tank 101, prevents
Canister adsorption saturation caused by the not actuated engine of electric-only mode is used for a long time, further to prevent oil vapour to be discharged into
Air pollutes.
The isolation valve group 30 includes pressure release component 31, the high pressure gas component being electrically connected respectively with the processor 40
32 and low inflation component 33, the pressure release component 31 is used for when the processor 40 determines the hybrid vehicle needs
During oiling, pressure release is carried out to the pressure-oil tank 101, to prevent air pressure inside caused by gasoline inputs from increasing, has been ensured described
The stability of air pressure in pressure-oil tank 101, and then prevent oil gas or oil caused by hypertonia in the pressure-oil tank 101
Liquid improves the usage safety performance of the hybrid vehicle, the high pressure gas component 32 and institute from the spilling of oil filler
State low inflation component 33 to be respectively used to open when air pressure is excessive or too low in the pressure-oil tank 101, to carry out the height
The urgent row pressure and supercharging of pressure oil case 101, to prevent the damage of the pressure-oil tank 101, improve the pressure-oil tank 101
Service life, and prevent because hypertonia, oil gas or fluid are overflowed from oil filler in the pressure-oil tank 101, it is preferred that this reality
Apply pressure release component described in example 31 and use automatically controlled valve arrangement, the high pressure gas component 32 and the low inflation component 33 use
Mechanical valve arrangement, and the air pressure automatically detected in the pressure-oil tank 101 are more than the first preset pressure value or pre- less than second
If during atmospheric pressure value, opened automatically.
The processor 40 is used for when detecting that the engine is not in working status, controls the isolation valve group 30
Close, to prevent the oil vapour in the pressure-oil tank 101 to be discharged into the canister 102, and work as and determine the current gas pressure value
When being not in the range of preset pressure value, the isolation valve group 30 is sent a control signal to, to control the high pressure gas component
32 or described low inflation components 33 are opened, specifically, when being controlled 31 disabler of pressure release component in the present embodiment,
And work as hypertonia or too low, mechanical valve function automatically turns on pressure release.
Specifically, it is more than the first preset pressure value when the processor 40 determines the current gas pressure value that receives
When, the high pressure gas component 32 is sent a signal to, urgent row pressure is carried out to control the high pressure gas component 32 to open, prevents
The pressure-oil tank 101 due to internal pressure it is excessive caused by damage, it is preferred that high pressure gas component described in the present embodiment
32 and the low inflation component 33 be more than using mechanical valve arrangement, and the air pressure automatically detected in the pressure-oil tank 101
First preset pressure value or during less than the second preset pressure value, is opened, to prevent the damage of the pressure-oil tank 101 automatically
It is bad, when the processor 40, which determines the current gas pressure value that receives, is less than the second preset pressure value, send a signal to
The low inflation component 33, carries out urgent row pressure, it is therefore prevented that the high pressure oil to control the low inflation component 33 to open
Case 101 is due to the too small caused damage of internal pressure
The oil liquid detection device 11, first that the fuel tank detection module 10 includes being electrically connected with the processor 40 respectively is pressed
12 and first temperature detector 13 of force detector, the oil liquid detection device 11 are arranged in the internal side wall of the pressure-oil tank 101,
The first pressure detector 12 is arranged in the top inner wall of the pressure-oil tank 101, and first temperature detector 13 is arranged on
In the bottom interior wall of the pressure-oil tank 101, the oil liquid detection device 11 is used to detect the fluid amount in the pressure-oil tank 101
And send to the processor 40, the first pressure detector 12 is used to detect the big of the pressure in the pressure-oil tank 101
It is small, and testing result is sent to the processor 40, to facilitate the processor 40 to the high pressure gas component 32, described
The control of 33 on off state of low inflation component, improves the control of the hybrid vehicle hydrocarbon emission control system 100
Efficiency, first temperature detector 13 is used for the temperature for detecting the fluid in the pressure-oil tank 101, and testing result is sent out
Send to the processor 40, it is preferred that high pressure gas component described in the present embodiment 32 and the low inflation component 33 use
Mechanical valve arrangement, and the air pressure automatically detected in the pressure-oil tank 101 are more than the first preset pressure value or pre- less than second
If during atmospheric pressure value, opened automatically.
In the present embodiment, the hydrocarbon amount that the canister detection module 20 includes being electrically connected with the processor 40 respectively is examined
Survey device 21, second pressure detector 22 and second temperature detector 23, the second pressure detector 22 and be arranged on the canister 102
Top inner wall on, the second temperature detector 23 be arranged on the canister 102 bottom interior wall on, the hydrocarbon amount detector
21 for detecting the size of the hydrocarbon adsorbance in the canister 102, and testing result is sent to the processor 40, described
Second pressure detector 22 is used for the size for detecting the pressure in the canister 102, and testing result is sent to the processing
Device 40, to facilitate row pressure of the processor 40 to snorkel 103 on the canister 102 to control, improves the hybrid power
The control efficiency of automobile hydrocarbon emission control system 100, the second temperature detector 23 are used to detect empty in the canister 102
The temperature of gas, and testing result is sent to the processor 40.
Preferably, a display 41 is electrically connected with the processor 40, the display 41 is used for the processing
The data that device 40 receives are shown, specifically, the data type shown on the display 41 includes the pressure-oil tank
Atmospheric pressure value, temperature value and fluid amount in 101, atmospheric pressure value, temperature value and hydrocarbon adsorbance in the canister 102 are described aobvious
It can be Vehicular display device to show device 41, and then facilitates user to data in the pressure-oil tank 101 and the canister 102
Solution, improves user experience.
The hybrid vehicle hydrocarbon emission control system 100 further includes Valve EGR 42, the Valve EGR
42 are arranged between the canister 102 and the inlet manifold 104 of the hybrid vehicle, and the Valve EGR 42 is used to control
The aperture of conveying capacity between the canister 102 and the inlet manifold 104, specifically, the processor 40 is to the engine
Floor data be detected, it is big with the corresponding aperture for adjusting the Valve EGR 42 and according to the operating mode of the engine
It is small, to ensure that the ability to the engine supplies.
The fuel tank detection module 10 further includes the distance detector 43 being electrically connected with the processor 40, the distance
Detector 43 is arranged on the mounting hole between the pressure-oil tank 101 and the open out push rod 105 of the hybrid vehicle, institute
The displacement distance that distance detector 43 is used to detect the open out push rod 105 is stated, testing result is sent to the processor
40, the scope of the preset pressure value is -9kpa to 32kpa, and the processor 40 is vehicle ECU, and the processor 40 uses
PLC or microcontroller are made.
In the present embodiment, designed by the processor 40 with the engine, the electric connection for isolating valve group 30,
It is effective to play the gas transmission on-off function controlled between the pressure-oil tank 101 and the canister 102, and then work as and detect institute
When stating engine and being not in working status, it will be isolated between the pressure-oil tank 101 and the canister 102, by oil vapour
Control is effectively controlled hydrocarbon discharge and prevents pollution to environment, pass through the fuel tank in the pressure-oil tank 101
The design of detection module 10 and the canister detection module 20, can be effectively in the pressure-oil tank 101 and the canister 102
Data be collected, and then facilitate the processor 40 and state in the pressure-oil tank 101 and the canister 102 sentenced
It is disconnected, by the design of the pressure release component 31, for meeting normal air pressure discharge in the pressure-oil tank 101, by described
The design of high pressure gas component 32 and the low inflation component 33, for being in pole when the air pressure in the pressure-oil tank 101
Automatically emergent row pressure or pressurising processing are carried out during limit state, it is therefore prevented that the damage of the pressure-oil tank 101, improved using the longevity
Life.
Referring to Fig. 3, the hybrid vehicle hydrocarbon emission control system 100a provided for second embodiment of the invention
The structure of modular structure schematic diagram, the second embodiment and first embodiment is more or less the same, and difference lies in institute in the present embodiment for it
State hybrid vehicle hydrocarbon emission control system 100a and further include wireless communication module 44, the wireless communication module 44 and institute
Processor 40 is stated to be electrically connected, the wireless communication module 44 be used for when the processor 40 determine the current gas pressure value or
When the current hydrocarbon adsorbance is in preset range, wireless communication signal is sent, specifically, the wireless communication module
44 communication modes used is at least one of wifi, bluetooth or zigbee.
In the present embodiment, by the design of the wireless communication module 44, can be applied by programs such as APP, wechat, QQ to
Default port sends communication signal, to prompt user's data that presently described processor 40 receives and to the pressure-oil tank
101st, the processing of state and the judgement of state in the canister 102, improves the experience of user.
Above embodiment described the technical principle of the present invention, the description is merely to explain the principles of the invention, and
The limitation of the scope of the present invention cannot be construed in any way.Based on explanation herein, those skilled in the art is not required to
Other embodiments of the present invention can be associated by paying performing creative labour, these modes fall within the present invention's
In protection domain.
Claims (10)
1. a kind of hybrid vehicle hydrocarbon emission control system, for controlling the hydrocarbon emission between pressure-oil tank and canister,
It is characterized in that：Including the fuel tank detection module in the pressure-oil tank, the canister detection module in the canister,
Isolate valve group and the engine electric connection with the hybrid vehicle between the pressure-oil tank and the canister
Processor, the processor respectively with the fuel tank detection module, the canister detection module and described to isolate valve group electrical
Connection, the fuel tank detection module and the canister detection module are used to detect respectively in the pressure-oil tank and the canister
Current gas pressure value and current hydrocarbon adsorbance, and testing result is sent to the processor, the isolation valve group is including distinguishing
Pressure release component, high pressure gas component and the low inflation component being electrically connected with the processor；
The processor is used for when detecting that the engine is not in working status, controls the isolation valve group to close, with
Prevent the oil vapour in the pressure-oil tank to be discharged into the canister, and preset pressure is not in when determining the current gas pressure value
When in the range of value, the isolation valve group is sent a control signal to, to control the high pressure gas component or the low inflation group
Part is opened.
2. hybrid vehicle hydrocarbon emission control system according to claim 1, it is characterised in that：The fuel tank detection
Module includes oil liquid detection device, first pressure detector and the first temperature detector being electrically connected respectively with the processor,
The oil liquid detection device is arranged in the internal side wall of the pressure-oil tank, and the first pressure detector is arranged on the pressure-oil tank
Top inner wall on, first temperature detector be arranged on the pressure-oil tank bottom interior wall on.
3. hybrid vehicle hydrocarbon emission control system according to claim 1, it is characterised in that：The hybrid power
Automobile hydrocarbon emission control system further includes Valve EGR, and the Valve EGR is arranged on the canister and the hybrid power
Between the inlet manifold of automobile, the Valve EGR is used to control opening for conveying capacity between the canister and the inlet manifold
Degree.
4. hybrid vehicle hydrocarbon emission control system according to claim 1, it is characterised in that：The canister detection
The hydrocarbon amount detector, second pressure detector and second temperature that module includes being electrically connected with the processor respectively detect
Device, the second pressure detector are arranged in the top inner wall of the canister, and the second temperature detector is arranged on the canister
Bottom interior wall on.
5. hybrid vehicle hydrocarbon emission control system according to claim 2, it is characterised in that：The fuel tank detection
Module further includes the distance detector being electrically connected with the processor, and the distance detector is arranged on the pressure-oil tank and institute
State on the mounting hole between the open out push rod of hybrid vehicle, the distance detector is used to detect the open out push rod
Displacement distance, testing result is sent to the processor.
6. hybrid vehicle hydrocarbon emission control system according to claim 1, it is characterised in that：The hybrid power
Automobile hydrocarbon emission control system further includes wireless communication module, and the wireless communication module is electrically connected with the processor,
It is place that the wireless communication module, which is used for when the processor determines the current gas pressure value or the current hydrocarbon adsorbance,
When in preset range, wireless communication signal is sent.
7. hybrid vehicle hydrocarbon emission control system according to claim 6, it is characterised in that：The wireless telecommunications
The communication modes that module uses is at least one of wifi, bluetooth or zigbee.
8. hybrid vehicle hydrocarbon emission control system according to claim 1, it is characterised in that：On the processor
A display is electrically connected with, the display is used to be shown the data that the processor receives.
9. hybrid vehicle hydrocarbon emission control system according to claim 1, it is characterised in that：The preset pressure
The scope of value is -9kpa to 32kpa.
10. hybrid vehicle hydrocarbon emission control system according to claim 1, it is characterised in that：The processor
For vehicle ECU, the processor is made of PLC or microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243103.0A CN108035826A (en) | 2017-11-30 | 2017-11-30 | Hybrid vehicle hydrocarbon emission control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243103.0A CN108035826A (en) | 2017-11-30 | 2017-11-30 | Hybrid vehicle hydrocarbon emission control system |
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| Publication Number | Publication Date |
|---|---|
| CN108035826A true CN108035826A (en) | 2018-05-15 |
Family
ID=62094561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711243103.0A Pending CN108035826A (en) | 2017-11-30 | 2017-11-30 | Hybrid vehicle hydrocarbon emission control system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334437A (en) * | 2018-09-18 | 2019-02-15 | 上汽通用汽车有限公司 | Hybrid vehicle fuel tank control system, method, storage medium and electronic equipment |
| CN110849557A (en) * | 2019-10-16 | 2020-02-28 | 黄山市徽州和顺实业有限公司 | Car carbon tank stop valve leakproofness detecting system |
| CN111353775A (en) * | 2018-12-21 | 2020-06-30 | 赫普科技发展（北京）有限公司 | Code scanning payment and carbon tax payment system and method for gas station |
| CN112594096A (en) * | 2020-12-09 | 2021-04-02 | 亚普汽车部件股份有限公司 | Electric control valve, electric control fuel system and control method |
| CN114673609A (en) * | 2021-10-18 | 2022-06-28 | 苏州恩都法汽车系统有限公司 | Oil tank isolation valve control system |
| CN117846829A (en) * | 2024-01-03 | 2024-04-09 | 广州汽车集团股份有限公司 | Method and device for controlling an isolation valve, electronic device, and storage medium |
| US12158124B2 (en) | 2021-07-09 | 2024-12-03 | Stant Usa Corp. | Carbon canister with integrated fuel tank isolation valve |
| US12194836B2 (en) | 2021-10-18 | 2025-01-14 | Stant Usa Corp. | Carbon canister with direct connect fuel tank isolation valve |
| US12280656B2 (en) | 2021-10-18 | 2025-04-22 | Stant Usa Corp. | Carbon canister with direct connect fuel tank isolation valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052543A (en) * | 2004-10-28 | 2007-10-10 | 因勒纪汽车系统研究公司 | Refuelling system and method |
| CN102312756A (en) * | 2010-05-28 | 2012-01-11 | 福特环球技术公司 | Method and system for fuel vapor control |
| CN102435260A (en) * | 2011-09-27 | 2012-05-02 | 哈尔滨功成科技创业投资有限公司 | Vehicle-mounted oil mass monitor |
| US20140345575A1 (en) * | 2013-05-22 | 2014-11-27 | Ford Global Technologies, Llc | Canister purging for plug-in hydrid electric vehicles |
| CN204475408U (en) * | 2014-12-30 | 2015-07-15 | 阿特拉斯工程机械有限公司 | Excavator hydraulic oil case water booster system |
| US20150285171A1 (en) * | 2014-04-08 | 2015-10-08 | Ford Global Technologies, Llc | System and methods for a leak check module comprising a reversible vacuum pump |
| US20160069303A1 (en) * | 2014-09-04 | 2016-03-10 | Ford Global Technologies, Llc | Methods and systems for fuel vapor metering via voltage-dependent solenoid valve on duration compensation |
-
2017
- 2017-11-30 CN CN201711243103.0A patent/CN108035826A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052543A (en) * | 2004-10-28 | 2007-10-10 | 因勒纪汽车系统研究公司 | Refuelling system and method |
| CN102312756A (en) * | 2010-05-28 | 2012-01-11 | 福特环球技术公司 | Method and system for fuel vapor control |
| CN102435260A (en) * | 2011-09-27 | 2012-05-02 | 哈尔滨功成科技创业投资有限公司 | Vehicle-mounted oil mass monitor |
| US20140345575A1 (en) * | 2013-05-22 | 2014-11-27 | Ford Global Technologies, Llc | Canister purging for plug-in hydrid electric vehicles |
| US20150285171A1 (en) * | 2014-04-08 | 2015-10-08 | Ford Global Technologies, Llc | System and methods for a leak check module comprising a reversible vacuum pump |
| US20160069303A1 (en) * | 2014-09-04 | 2016-03-10 | Ford Global Technologies, Llc | Methods and systems for fuel vapor metering via voltage-dependent solenoid valve on duration compensation |
| CN204475408U (en) * | 2014-12-30 | 2015-07-15 | 阿特拉斯工程机械有限公司 | Excavator hydraulic oil case water booster system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334437A (en) * | 2018-09-18 | 2019-02-15 | 上汽通用汽车有限公司 | Hybrid vehicle fuel tank control system, method, storage medium and electronic equipment |
| CN111353775A (en) * | 2018-12-21 | 2020-06-30 | 赫普科技发展（北京）有限公司 | Code scanning payment and carbon tax payment system and method for gas station |
| CN111353775B (en) * | 2018-12-21 | 2023-11-07 | 赫普科技发展（北京）有限公司 | System and method for code scanning payment and carbon tax payment of gas station |
| CN110849557A (en) * | 2019-10-16 | 2020-02-28 | 黄山市徽州和顺实业有限公司 | Car carbon tank stop valve leakproofness detecting system |
| CN112594096A (en) * | 2020-12-09 | 2021-04-02 | 亚普汽车部件股份有限公司 | Electric control valve, electric control fuel system and control method |
| US12158124B2 (en) | 2021-07-09 | 2024-12-03 | Stant Usa Corp. | Carbon canister with integrated fuel tank isolation valve |
| CN114673609A (en) * | 2021-10-18 | 2022-06-28 | 苏州恩都法汽车系统有限公司 | Oil tank isolation valve control system |
| US12194836B2 (en) | 2021-10-18 | 2025-01-14 | Stant Usa Corp. | Carbon canister with direct connect fuel tank isolation valve |
| US12280656B2 (en) | 2021-10-18 | 2025-04-22 | Stant Usa Corp. | Carbon canister with direct connect fuel tank isolation valve |
| US12311753B2 (en) | 2021-10-18 | 2025-05-27 | Stant Usa Corp. | Carbon canister with direct connect fuel tank isolation valve |
| CN117846829A (en) * | 2024-01-03 | 2024-04-09 | 广州汽车集团股份有限公司 | Method and device for controlling an isolation valve, electronic device, and storage medium |
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