CN217873057U - Active oil gas recovery device and vehicle - Google Patents
Active oil gas recovery device and vehicle Download PDFInfo
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- CN217873057U CN217873057U CN202222339080.6U CN202222339080U CN217873057U CN 217873057 U CN217873057 U CN 217873057U CN 202222339080 U CN202222339080 U CN 202222339080U CN 217873057 U CN217873057 U CN 217873057U
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Abstract
The utility model discloses an active vapor recovery system device and vehicle, active vapor recovery system device includes: the fuel tank is provided with a containing space; the oil-gas storage tank is provided with an oil-gas space which is communicated with the accommodating space through an oil-gas exchange pipeline; and the oil gas conveying driving unit is arranged on the oil gas exchange pipeline and is used for driving oil gas in the oil gas storage tank to flow to the fuel tank or driving oil gas in the fuel tank to flow to the oil gas storage tank. The utility model discloses a set up the easy saturated shortcoming of canister among the correlation technique of oil gas storage jar, set up simultaneously that oil gas carries drive unit to carry out active control to oil gas, restrain the production of oil gas to reduce oil gas volume, reduce the pollution to the environment, improve energy utilization.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to an active vapor recovery system device and vehicle is related to.
Background
The oil volatilizes a large amount of oil gas along with various working conditions of the vehicle, which not only is an important cause of environmental pollution such as haze and the like, but also causes a large amount of energy waste. Vehicle realizes oil gas efficient recycle through using on-vehicle vapor recovery system among the correlation technique, but when oil-electricity hybrid vehicle was in the electric drive operating mode, the engine was out of work, and the adsorbed oil gas of adsorbed carbon can not utilize the pressure differential between charcoal jar and the engine to carry out the desorption in the charcoal jar among the correlation technique, and the oil gas in the charcoal jar is arranged to the atmosphere, not only forms the atmosphere pollution, causes the waste moreover.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an active vapor recovery system device reduces the pollution to the environment, improves the utilization to the energy.
The utility model discloses still provide an use above-mentioned active vapor recovery system's vehicle, reduce the pollution to the environment, improve the utilization to the energy.
According to the utility model discloses active vapor recovery system device, include: the fuel tank is provided with a containing space; the oil-gas storage tank is provided with an oil-gas space which is communicated with the accommodating space through an oil-gas exchange pipeline; the oil gas transport drive unit, the oil gas transport drive unit dispose in the oil gas exchange pipeline just is used for the drive oil gas flow in the oil gas storage tank flows to the fuel tank, or is used for the drive oil gas flow in the fuel tank flows to the oil gas storage tank.
According to the utility model discloses active vapor recovery unit has overcome the shortcoming of the easy saturation of canister among the correlation technique through setting up oil gas storage jar, sets up simultaneously that oil gas carries drive unit to carry out active control to oil gas, restraines the production of oil gas to reduce oil gas volume, reduce the pollution to the environment, improve energy utilization.
In some embodiments, the active hydrocarbon recovery device further comprises: and the oil gas concentration sensing assemblies are communicated with the oil gas conveying driving unit, so that the oil gas conveying driving unit is suitable for starting or stopping working according to the detection result of the oil gas concentration sensing assemblies.
In some embodiments, the hydrocarbon concentration sensing assembly for detecting the concentration of the hydrocarbon in the receiving space comprises: the first pressure sensor is arranged at the top of the accommodating space; a temperature sensor disposed adjacent to the first pressure sensor.
In some embodiments, the fuel tank is provided with a movable cover for opening or closing the fuel filler opening, the movable cover is provided with a movable cover locking member, and the movable cover locking member is communicated with the first pressure sensor, so that the movable cover locking member opens or closes the limit of the movable cover according to the detection result of the first pressure sensor.
In some embodiments, the fuel tank is provided with a filler pipe, the filler opening is arranged at one end of the filler pipe, the movable cover is provided with a first position sensor, and the first position sensor is communicated with the movable cover locking piece so that the movable cover locking piece can open or close the limit of the movable cover according to the detection result of the movable cover locking piece; one end of the oil filling pipe, which is far away from the oil filling port, is provided with a one-way valve, so that oil can flow from the outside of the accommodating space to the inside of the accommodating space.
In some embodiments, a safety pipeline is further disposed between the fuel tank and the oil gas storage tank, and a safety valve is disposed on the safety pipeline to enable the safety pipeline to be communicated when oil gas in the accommodating space or the oil gas space reaches a set pressure threshold.
In some embodiments, the top of the fuel tank is connected to one end of the oil-gas exchange pipeline close to the fuel tank, the oil-gas exchange pipeline is arranged in the middle of the fuel tank, and one end of the safety pipeline close to the oil-gas storage tank is connected to the bottom of the oil-gas storage tank.
According to the utility model discloses vehicle, include: the active oil gas recovery device is the active oil gas recovery device; the engine is connected with the oil-gas exchange pipeline to convey oil gas to the engine.
According to the utility model discloses the vehicle through setting up active vapor recovery system device, has reduced the pollution to the air, has improved the utilization to the energy.
In some embodiments, the oil-gas delivery driving unit is an oil-gas control pump, an oil-gas control valve is further arranged on the oil-gas exchange pipeline, the oil-gas control valve is closer to the fuel tank than the oil-gas control pump, and the oil-gas control valve is used for controlling the on-off of the oil-gas exchange pipeline; the oil-gas control system comprises an oil-gas control valve, an oil-gas exchange pipeline, an oil-gas control pump, an oil-gas control valve and an oil-gas control valve, wherein the oil-gas exchange pipeline is connected with the oil-gas control pump and the oil-gas control valve through a connecting part, and the connecting part is used for connecting an engine to convey oil gas to the engine.
In some embodiments, an engine air inlet pipe is arranged on the engine and is connected with the connecting part; and an air inlet electromagnetic valve is arranged on the air inlet pipe of the engine to switch on and off the air inlet pipe of the engine.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a partial structure of a vehicle according to an embodiment of the present invention.
Reference numerals:
1000. a vehicle;
1. a fuel tank; 101. an accommodating space; 102. an oil filler tube; 103. a hydrocarbon saturation sensing component; 2. a one-way valve; 3. a first position sensor; 4. a movable cover locking member; 5. a liquid level position sensor; 6. a first pressure sensor; 7. a temperature sensor; 8. a safety pipe; 9. a safety valve; 10. an oil control valve; 11. an engine; 12. a second position sensor; 13. a second pressure sensor; 14. an oil-gas storage tank; 141. an oil gas space; 15. an oil and gas delivery drive unit; 16. an oil-gas exchange pipeline; 161. a connecting portion; 17. a control device; 18. a refueling button; 19. a pressure relief pipe; 20. an air inlet solenoid valve; 21. an engine intake duct; 22. an air cleaner.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The active oil gas recovery device according to the embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1, according to the utility model discloses active vapor recovery system device, active vapor recovery system device includes: fuel tank 1, oil gas storage tank 14 and oil gas delivery drive unit 15.
The fuel tank 1 is provided with a housing space 101. Wherein, accommodation space 101 exerts the effect that holds for hold fluid, can understand, fluid self nature decides it can wave oil gas, has also existed oil gas in accommodation space 101, and heavier fluid piles up in accommodation space 101's bottom under the effect of self gravity, and accommodation space 101's top is floated to the automation of lighter oil gas.
An oil-gas space 141 is arranged on the oil-gas storage tank 14, and the oil-gas space 141 is communicated with the accommodating space 101 through an oil-gas exchange pipeline 16. Use the canister usually among the correlation technique, but have the adsorption carbon to occupy great space in the canister, lead to the canister easily to saturate, the utility model discloses a set up 14 direct storage oil gas of oil gas storage jar, the space is big, and storage capacity is strong.
The oil gas conveying driving unit 15 is configured on the oil gas exchange pipeline 16 and is used for driving oil gas in the oil gas storage tank 14 to flow to the fuel tank 1 or driving oil gas in the fuel tank 1 to flow to the oil gas storage tank 14. The oil gas conveying driving unit 15 can drive oil gas in the oil gas storage tank 14 to flow to the fuel tank 1, and can also drive oil gas in the fuel tank 1 to flow to the oil gas storage tank 14, that is, the oil gas conveying driving unit 15 can drive in two directions to switch the driving direction.
It can be understood that under the condition that no external force promoted, in the higher space of concentration of oil gas automatic flow to the lower space of concentration, and the utility model discloses a set up oil gas and carry drive unit 15 and overcome inertia for oil gas and improve drive power to adapt to different operating mode demands.
Of course, oil gas transport drive unit 15 need not to move constantly, for example when the concentration of oil gas is greater than the concentration of oil gas in accommodation space 101 in oil gas space 141, oil gas can flow to accommodation space 101 in the oil gas space 141 automatically to restrain the volatilization of oil gas in accommodation space 101, can also save the energy of operation oil gas transport drive unit 15, that is to say, oil gas transport drive unit 15 can move according to the demand, thereby adapts to different operating modes.
Specifically, the utility model discloses a set up oil gas and carry drive unit 15 and provide power for the flow of oil gas, can make the oil gas reverse flow that exists in the less space of pressure to the great space of pressure, can control the oil gas in the accommodation space 101 and be in the saturated condition all the time, realize the active control to oil gas to restrain volatilizing of oil gas, reduce the production of oil gas. For example, the oil-gas space 141 is lower in pressure than the accommodating space 101, and the oil-gas conveying driving unit 15 drives the oil gas in the oil-gas space 141 to flow to the accommodating space 101, so that the oil gas in the accommodating space 101 can be always in a saturated state, thereby inhibiting the oil liquid in the accommodating space 101 from volatilizing into the oil gas and reducing the generation of the oil gas; or, oil liquid is injected into the fuel tank 1, the oil gas space 141 is higher in pressure than the accommodating space 101, and the oil gas conveying driving unit 15 drives oil gas in the accommodating space 101 to flow to the oil gas space 141, so that overflow of the oil gas is reduced, and pollution to the environment and waste of energy are reduced.
According to the utility model discloses active vapor recovery unit has overcome the shortcoming of the easy saturation of canister in the correlation technique through setting up vapor storage jar 14, sets up simultaneously and carries drive unit 15 to carry out active control to oil gas, makes oil gas can flow to the space that needs, improves the degree of control to oil gas, reduces oil gas and gets into atmospheric probability to the reduction is to the pollution of environment, can fully preserve oil gas under multiple operating mode, avoids extravagant, improves energy utilization.
In some embodiments, the active hydrocarbon recovery device further comprises: the two oil gas concentration sensing assemblies are used for detecting the oil gas concentration in the accommodating space 101 and the oil gas space 141, and the two oil gas concentration sensing assemblies are communicated with the oil gas conveying driving unit 15, so that the oil gas conveying driving unit 15 is suitable for starting or stopping working according to the detection result of the oil gas concentration sensing assemblies. In order to avoid damage to the fuel tank caused by overlarge pressure in the fuel tank in the related art, a pressure sensor is usually arranged for detecting the pressure in the fuel tank, and the pressure in the fuel tank is greater than a safety threshold value, so that the fuel tank is protected, oil gas concentration sensing assemblies are arranged in the accommodating space 101 and the oil gas space 141 to detect the oil gas concentration in the accommodating space 101 and the oil gas space 141, and the oil gas conveying driving unit 15 can control the direction of driving oil gas according to the oil gas concentration in the oil gas conveying driving unit and the oil gas concentration in the oil gas conveying driving unit.
For example, in the process of filling oil into the fuel tank 1, the oil gas concentration detected by the oil gas concentration sensing assembly in the accommodating space 101 is less than the oil gas concentration detected by the oil gas concentration sensing assembly in the oil gas space 141, but the oil gas conveying driving unit 15 can control the oil gas in the accommodating space 101 to flow to the oil gas space 141, so that the oil gas volatilized by the oil liquid in the flow can be collected, and the oil gas flowing to the atmosphere is reduced; or, the oil gas concentration detected by the oil gas concentration sensing assembly in the oil gas space 141 is less than the oil gas concentration detected by the oil gas concentration sensing assembly in the accommodating space 101, but the oil gas conveying driving unit 15 can control the oil gas in the oil gas space 141 to flow to the accommodating space 101, so that the volatilization of the oil gas is inhibited.
In some embodiments, the hydrocarbon concentration sensing assembly for detecting the concentration of the hydrocarbon in the accommodating space 101 includes: a first pressure sensor 6, a temperature sensor 7.
The first pressure sensor 6 is provided at the top of the accommodating space 101. The temperature sensor 7 is disposed adjacent to the first pressure sensor 6. It can be understood that the oil gas floats to the top of accommodation space 101 automatically, and through setting up first pressure sensor 6 and temperature sensor 7 at the top of accommodation space 101, can detect the pressure and the temperature of oil gas to judge whether the oil gas in accommodation space 101 is saturated. It can be understood that the saturation pressure of oil gas is different under the different temperatures, if the pressure that first pressure sensor 6 detected is less than the saturation pressure, just represents the oil gas unsaturated, and fluid just has the possibility of volatilizing to the oil gas, the utility model discloses alright in order to control oil gas in the oil gas space 141 and get into accommodation space 101, make the oil gas in the accommodation space 101 reach the saturation state for the gas-liquid is in phase equilibrium state, suppresses volatilizing of fluid.
Specifically, the hydrocarbon concentration sensing assembly for detecting the concentration of hydrocarbon in hydrocarbon space 141 includes: second pressure sensor 13, second pressure sensor 13 establish at the top in oil gas space 141, and the automatic top to oil gas space 141 of oil gas floats, sets up second pressure sensor 13 at oil gas space 141 top can contact with oil gas all the time, and the convenience is to the detection of oil gas.
In some embodiments, the fuel tank 1 is provided with a movable cover for opening or closing the filler opening, the movable cover is provided with a movable cover lock 4, and the movable cover lock 4 is in communication with the first pressure sensor 6, so that the movable cover lock 4 opens or closes the limit of the movable cover according to the detection result of the first pressure sensor 6. In the related art, the oil tank cover can be freely opened, the oil tank cover can be directly opened to fill oil into the oil tank when oil is required to be filled, the movable cover locking piece 4 is arranged, the movable cover locking piece 4 can be opened or closed according to the detection result of the first pressure sensor 6 to limit the movable cover, the movable cover is forbidden to be opened when the movable cover is inconvenient to open, for example, when high-pressure oil gas exists in the accommodating space 101, the high-pressure oil gas can overflow from the accommodating space 101, the possibility that the oil gas flows out to the atmosphere is reduced, and pollution and waste are reduced.
In some embodiments, the fuel tank 1 is provided with a filler pipe 102, a filler opening is provided at one end of the filler pipe 102, and the movable lid is provided with a first position sensor 3, and the first position sensor 3 communicates with the movable lid lock 4 so that the movable lid lock 4 opens or closes the restriction of the movable lid according to the detection result of the movable lid lock 4. The position of the movable cover is detected by arranging the first position sensor 3, so that the movable cover is conveniently controlled, and the possibility of error occurrence of the active oil-gas recovery device is reduced.
One end of the oil filling pipe 102 far away from the oil filling opening is provided with a check valve 2, so that oil can flow from the outside of the accommodating space 101 to the inside of the accommodating space 101. Through the flow direction who sets up check valve 2 control fluid, reduce the probability that fluid flows outside accommodation space 101, reduce extravagantly, prevent simultaneously that oil gas from overflowing accommodation space 101 through adding oil pipe 102.
In some embodiments, a safety pipeline 8 is further disposed between the fuel tank 1 and the oil gas storage tank 14, and a safety valve 9 is disposed on the safety pipeline 8 to allow the safety pipeline 8 to be communicated when the oil gas in the accommodating space 101 or the oil gas space 141 reaches a set pressure threshold. Through setting up safety line 8, and safety line 8 establishes between fuel tank 1 and oil gas storage jar 14, when fuel tank 1 or oil gas storage jar 14 internal pressure abnormal, relief valve 9 opens automatically, and the oil gas in accommodation space 101 and the oil gas in the oil gas space 141 can freely be exchanged, reduces the damage to fuel tank 1 and oil gas storage jar 14. It can be understood that the pressure threshold is set to be a preset value, and the preset value can be set according to different requirements, which is not limited herein.
In some embodiments, the end of the oil-gas exchange pipeline 16 close to the fuel tank 1 is connected to the top of the fuel tank 1 and is arranged in the middle of the fuel tank 1, and the end of the safety pipeline 8 close to the oil-gas storage tank 14 is connected to the bottom of the oil-gas storage tank 14. One end of the oil-gas exchange pipeline 16 is connected with the top of the fuel tank 1, so that oil gas can float upwards automatically and gather at the top of the fuel tank 1, and one end of the oil-gas exchange pipeline 16 is connected with the top of the fuel tank 1, so that the oil gas can automatically enter the oil-gas exchange pipeline 16, and the possibility of oil liquid entering the oil-gas exchange pipeline 16 is reduced; the bottom that oil gas storage jar 14 is connected to the one end that safety pipeline 8 is close to oil gas storage jar 14, and the oil gas in the oil gas storage jar 14 can condense for fluid, and the safety pipeline 8 that is located the oil gas storage jar 14 bottom makes the automatic safe pipeline 8 that gets into of fluid that condenses out in, can make fluid fall into accommodation space 101, effectively retrieves fluid.
In some embodiments, the active hydrocarbon recovery device further comprises: and the control device 17 is electrically connected with the first pressure sensor 6, the second pressure sensor 13, the temperature sensor 7, the first position sensor 3, the oil-gas conveying driving unit 15 and the movable cover locking piece 4, the control device 17 acquires information from the first pressure sensor 6, the second pressure sensor 13, the temperature sensor 7 and the first position sensor 3, judges and controls the movable cover locking piece 4 and the oil-gas conveying driving unit 15 to move, and finally controls the flow direction of oil gas, so that the oil gas is actively controlled.
Specifically, the top of the accommodating space 101 is further provided with a liquid level position sensor 5, the liquid level position sensor 5 is used for detecting the position of the liquid level of the oil in the accommodating space 101, the liquid level position sensor 5 is electrically connected with the control device 17 and transmits information including the position of the liquid level of the oil to the control device 17, and therefore the control device 17 can acquire more comprehensive information of the accommodating space 101. For example, when the fuel tank 1 is filled with oil, the oil gas delivery driving unit 15 drives the oil gas in the fuel tank 1 to flow to the oil gas storage tank 14, and the liquid level sensor 5 detects that the liquid level of the oil is higher than L H After the oil level threshold value is obtained, the control device 17 acquires the information from the liquid level position sensor 5 and then controls the oil-gas conveying driving unit 15 to stop working; or, the engine 11 does not work at the moment when the oil-electric hybrid vehicle is under the electric driving working condition, and when the oil liquid in the fuel tank 1 is lower than L H Then, the oil gas in the fuel tank 1 may be in an unsaturated state, and the control device 17 controls the oil gas conveying driving unit 15 to work after acquiring the information from the liquid level position sensor 5, so as to drive the oil gas in the oil gas space 141 to flow to the accommodating space 101, improve the concentration of the oil gas in the accommodating space 101, and inhibit the volatilization of the oil gas.
More specifically, the control device 17 is provided with a refueling button 18, the refueling button 18 is electrically connected with the control device 17 and transmits a signal for preparing refueling to the control device 17 when the refueling button 18 is started, and the control device 17 controls the oil gas conveying driving unit 15 to drive oil gas in the fuel tank 1 to flow to the oil gas storage tank 14, so that the concentration of the oil gas in the accommodating space 101 is reduced, and oil liquid is convenient to fill.
According to the utility model discloses vehicle 1000 includes: active vapor recovery system and engine 11.
The active oil gas recovery device is the active oil gas recovery device. The engine 11 is connected with an oil-gas exchange pipeline 16 to convey oil gas to the engine 11, and the oil gas is combusted in the engine 11, so that the oil gas is recycled and utilized, and the energy utilization rate is improved.
According to the utility model discloses vehicle 1000 carries out active control to oil gas through setting up active vapor recovery system device, reduces the volume of oil gas to reduce oil gas and to atmospheric pollution, improve energy utilization.
In some embodiments, the oil-gas delivery driving unit 15 is an oil-gas control pump, the oil-gas exchange pipeline 16 is further provided with an oil-gas control valve 10, the oil-gas control valve 10 is closer to the fuel tank 1 than the oil-gas control pump, and the oil-gas control valve 10 is used for controlling the on-off of the oil-gas exchange pipeline 16. The part of the oil-gas exchange pipeline 16 between the oil-gas control pump and the oil-gas control valve 10 is a connecting part 161, and the connecting part 161 is used for connecting the engine 11 to deliver oil gas to the engine 11.
Specifically, the oil control valve 10 is a normally closed solenoid valve for controlling the on/off of the oil gas exchange pipeline 16.
In some embodiments, the engine 11 is provided with an engine intake pipe 21, and the engine intake pipe 21 is connected with the connecting part 161; wherein, an air inlet electromagnetic valve 20 is arranged on the engine air inlet pipe 21 to switch on and off the engine air inlet pipe 21.
It can be understood, be equipped with oil gas control valve 10 and oil gas control pump on the oil gas exchange pipeline 16, connecting portion 161 on the oil gas exchange pipeline 16 connects engine intake pipe 21, and be equipped with air inlet solenoid valve 20 on the engine intake pipe 21, oil gas control valve 10, the cooperation can carry out multiple control to the flow direction of oil gas between oil gas control pump and the air inlet solenoid valve 20, all be provided with the scheme of pump and valve on every pipeline in the correlation technique of comparison, this application is through oil gas control valve 10, the setting of oil gas control pump and air inlet solenoid valve 20 position, less spare part alright realize the active control to oil gas, make oil gas can follow accommodation space 101 flow to oil gas space 141, oil gas space 141 flows to accommodation space 101, can also make oil gas follow accommodation space 101, oil gas space 141 burns in flowing to engine 11.
For example, the intake control valve opens the engine intake pipe 21, the oil control valve 10 opens the oil-gas exchange pipeline 16, and the oil-gas control pump can drive oil gas to flow from the accommodating space 101 to the oil-gas space 141, or drive oil gas to flow from the oil-gas space 141 to the accommodating space 101; alternatively, the intake control valve allows passage of the engine intake pipe 21, the oil control valve 10 allows passage of the oil gas exchange pipe 16, and the negative pressure of the engine 11 automatically allows oil gas to enter the engine 11.
In some embodiments, the air filter 22 is disposed on the engine intake pipe 21, and the air filter 22 is closer to the engine 11 than the intake solenoid valve 20, so as to filter impurities and reduce damage to the engine 11.
More specifically, the engine 11 is provided with a crankshaft and a second position sensor 12, the second position sensor 12 is used for detecting the position of the crankshaft, the second position sensor 12 is electrically connected to the control device 17 and transmits information including whether the crankshaft is running or not to the control device 17, and the degree of understanding of the overall state of the vehicle 1000 by the control device 17 is improved. For example, the control device 17 determines whether the engine 11 is operated by determining whether the crankshaft is operated, and controls the oil and gas to enter the engine 11 from the accommodating space 101 and the oil and gas space 141 for combustion when the engine 11 is operated.
In some embodiments, the engine intake pipe 21 is provided with a pressure relief pipe 19, and the pressure relief pipe 19 is configured to relieve pressure when the pressure in the engine intake pipe 21 reaches a set value, so as to avoid damage to the engine 11 due to excessive pressure.
A vehicle 1000 according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
A vehicle 1000, comprising: active vapor recovery system and engine 11.
The engine 11 is communicated with the active oil gas recovery device to realize oil gas conveying, exchanging and recovering.
Active vapor recovery system device includes: the system comprises a fuel tank 1, a fuel gas storage tank 14, a fuel gas conveying driving unit 15, a fuel gas saturation sensing assembly 103 and a control device 17.
The fuel tank 1 is provided with a containing space 101, a filler pipe 102 and a safety pipeline 8, a liquid level position sensor 5 is arranged in the containing space 101, a movable cover and a one-way valve 2 are arranged on the filler pipe 102, and a movable change locking piece and a first position sensor 3 are arranged on the movable cover. An oil-gas space 141 and an oil-gas exchange pipeline 16 are arranged on the oil-gas storage tank 14, and an oil-gas control valve 10 is arranged on the oil-gas exchange pipeline 16. The number of the oil gas saturation sensing assemblies 103 is two, the oil gas saturation sensing assembly 103 arranged in the accommodating space 101 comprises a first pressure sensor 6 and a temperature sensor 7, and the oil gas saturation sensing assembly 103 arranged in the oil gas space 141 comprises a second pressure sensor 13. The control device 17 is provided with a refuelling button 18.
The engine 11 is provided with an engine intake pipe 21 and a second position sensor 12, and the engine intake pipe 21 is provided with an intake solenoid valve 20 and a pressure release pipe 19.
The right port of the oil-gas storage tank 14 is communicated with the left port of the oil-gas control pump through an oil-gas exchange pipeline 16, and the lower port of the oil-gas storage tank 14 is communicated with the upper end of the safety valve 9 through a safety pipeline 8. The right end of the oil-gas control pump is communicated with the middle top of the fuel tank 1 through an oil-gas exchange pipeline 16. The lower end of the safety valve 9 is communicated with the top of the fuel tank 1 through a safety pipeline 8.
The first pressure sensor 6 is located at the left upper end of the containing space 101, the temperature sensor 7 is located at the left upper end of the containing space 101, the liquid level position sensor 5 is located at the right upper end of the containing space 101, the first position sensor 3 is located on the back of the movable cover, the second position sensor 12 is located in the engine 11, the second pressure sensor 13 is located in the middle of the top end of the oil-gas storage tank 14, the oil-gas control pump is located at the oil-gas exchange pipeline 16 close to the fuel tank 1, and the air inlet electromagnetic valve 20 is located on an engine air inlet pipe 21.
The control device 17 has six inlet terminals and three outlet terminals, wherein the six inlet terminals are respectively connected with the refueling button 18, the first pressure sensor 6, the second pressure sensor 13, the temperature sensor 7, the liquid level position sensor 5, the first position sensor 3 and the second position sensor 12, the three outlet terminals are respectively connected with the movable cover locking piece 4, the oil control valve 10 and the air inlet solenoid valve 20, and the control device 17 makes corresponding commands by receiving signals of the first pressure sensor 6, the second pressure sensor 13, the temperature sensor 7, the liquid level position sensor 5, the first position sensor 3 and the second position sensor 12 and controls the movement of the movable cover locking piece 4 and the opening and closing of the oil control valve 10 and the air inlet solenoid valve 20.
The working process is as follows:
1. vehicle 1000 parking condition:
the oil gas control valve 10 keeps a closed state, oil gas is sealed in the fuel tank 1 and the oil gas storage tank 14, and the fuel tank 1 and the oil gas storage tank 14 can bear pressure change all day long.
2. Electric drive working condition:
when the liquid level of the oil in the fuel tank 1 is lower than L H Temperature in fuel tank 1 from T 1 Rise to T 2 The information detected by the liquid level position sensor 5 and the temperature sensor 7 is transmitted to the control device 17, after the control device 17 makes a judgment, the oil gas control valve 10 is controlled to be opened, the oil gas control pump is controlled to be electrified, and the oil gas storage tank 14 and the fuel tank 1 perform oil gas exchange through an oil gas exchange pipeline 16; when the pressure in the fuel tank 1 reaches T 2 Saturated vapor pressure P at temperature b2 And the information detected by the first pressure sensor 6 is transmitted to the control device 17, and after the control device 17 makes a judgment, the oil-gas control valve 10 is controlled to be closed, and the oil-gas control pump is controlled to be powered off. When the vehicle 1000 is in an electric driving working condition, the active oil gas recovery device is a closed system, the environmental pressure is not considered when the vehicle 1000 operates, the saturation pressure change of oil gas in the accommodating space 101 in the fuel tank 1 is only related to the temperature change in the fuel tank 1, the oil gas is condensed into liquid again due to the temperature reduction, new gas-liquid phase balance is formed, and the volatilization of the oil liquid is inhibited, so that the influence of the temperature rise of the fuel tank 1 on the saturation pressure is only required to be controlled.
3. Driving condition of the engine 11:
when the liquid level of the oil in the fuel tank 1 is lower than L H After the control device 17 makes a judgment, the oil control valve 10 is controlled to be opened, when the engine 11 meets the operation condition, the information detected by the second position sensor 12 is transmitted to the control device 17, after the control device 17 makes a judgment, an opening instruction is sent to the air inlet electromagnetic valve 20 to be opened, and oil gas reaches the engine 11 from the fuel tank 1 and the oil gas storage tank 14 through the oil gas exchange pipeline 16 and the engine air inlet pipe 21 for combustion.
4. And (3) refueling working condition:
1) An oiling preparation stage: when the vehicle 1000 is refueled, the refueling button 18 is pressed, the control device 17 receives the information of the refueling button 18, and the pressure in the fuel tank 1 is higher than P low (preset pressure threshold), information transmission detected by the first pressure sensor 6When the control device 17 judges, the control device 17 controls the oil gas control valve 10 to be opened, controls the oil gas control pump to be electrified, oil gas is conveyed into the oil gas storage tank 14 from the fuel tank 1 through the oil gas exchange pipeline 16, and the pressure in the fuel tank 1 reaches P low When the oil-gas control valve 10 is closed, the oil-gas control pump is controlled to be powered off, and the movable cover locking piece 4 is controlled to be opened. Setting a pressure threshold P in the fuel tank 1 in the preparation stage of refueling low Before the fuel liquid filling is started, the pressure in the fuel tank 1 is required to be lower than or equal to a preset pressure value P low The movable lid lock 4 can be opened.
2) And (3) a smooth oiling stage: when the vehicle 1000 is filled with oil, the pressure of oil gas in the fuel tank 1 is continuously increased to P open (preset opening pressure value), the information detected by the first pressure sensor 6 is transmitted to the control device 17, after the control device 17 judges, the oil gas control valve 10 is controlled to be opened, the oil gas control pump is controlled to be powered on, oil gas is conveyed into the oil gas storage tank 14 from the fuel tank 1 through the oil gas exchange pipeline 16, the pressure in the fuel tank 1 continuously drops to P close (preset closing pressure value), the information detected by the first pressure sensor 6 is transmitted to the control device 17, and after the control device 17 makes judgment, the oil-gas control valve 10 is controlled to be closed, and the oil-gas control pump is controlled to be powered off; when the liquid level of the liquid fuel in the fuel tank 1 is higher than L H The information detected by the liquid level position sensor 5 is transmitted to the control device 17, and the control device 17 gives a closing instruction to the oil gas control valve 10 and the oil gas control pump after making a judgment. Setting a pressure threshold P in the fuel tank 1 in the stage of smooth refueling open And P close And the pressure is continuously increased due to the continuous increase of the oil gas in the fuel tank 1 in the refueling process, and the refueling is not smooth due to the overhigh pressure, so the pressure release is also needed.
3) And (3) oiling is completed: the movable cover locking member 4 is closed and the information detected by the first position sensor 3 is transmitted to the control device 17.
Other configurations and operations of active hydrocarbon recovery devices according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An active vapor recovery device, comprising:
the fuel tank is provided with a containing space;
the oil-gas storage tank is provided with an oil-gas space which is communicated with the accommodating space through an oil-gas exchange pipeline;
the oil gas transport drive unit, the oil gas transport drive unit dispose in the oil gas exchange pipeline just is used for the drive oil gas flow in the oil gas storage tank flows to the fuel tank, or is used for the drive oil gas flow in the fuel tank flows to the oil gas storage tank.
2. The active hydrocarbon recovery device of claim 1, further comprising: the oil gas concentration sensing assemblies are communicated with the oil gas conveying driving unit, so that the oil gas conveying driving unit is suitable for starting or stopping working according to the detection result of the oil gas concentration sensing assemblies.
3. The active hydrocarbon recovery device of claim 2, wherein the hydrocarbon concentration sensing assembly for sensing the concentration of hydrocarbon in the containment space comprises:
the first pressure sensor is arranged at the top of the accommodating space;
a temperature sensor disposed adjacent to the first pressure sensor.
4. The active oil and gas recovery device of claim 3, wherein a movable cover for opening or closing the oil filler opening is arranged on the fuel tank, a movable cover locking member is arranged on the movable cover, and the movable cover locking member is communicated with the first pressure sensor so that the movable cover locking member opens or closes the limit on the movable cover according to the detection result of the first pressure sensor.
5. The active oil and gas recovery device of claim 4, wherein a filler pipe is arranged on the fuel tank, the filler opening is arranged at one end of the filler pipe, a first position sensor is arranged on the movable cover, and the first position sensor is communicated with the movable cover locking piece so that the movable cover locking piece opens or closes the limit of the movable cover according to the detection result of the movable cover locking piece;
one end of the oil filling pipe, which is far away from the oil filling port, is provided with a one-way valve, so that oil can flow from the outside of the accommodating space to the inside of the accommodating space.
6. The active vapor recovery device of claim 1, further comprising a safety line between the fuel tank and the vapor storage tank, wherein a safety valve is disposed on the safety line to allow passage of the safety line when a pressure threshold of the vapor in the containment space or the vapor space is reached.
7. The active vapor recovery device of claim 6, wherein the one end of the vapor exchange conduit near the fuel tank is connected to the top of the fuel tank and is located at a middle position of the fuel tank, and the one end of the safety conduit near the vapor storage tank is connected to the bottom of the vapor storage tank.
8. A vehicle, characterized by comprising:
an active hydrocarbon recovery device, the active hydrocarbon recovery device being the active hydrocarbon recovery device of any one of claims 1 to 7;
the engine is connected with the oil-gas exchange pipeline to convey oil gas to the engine.
9. The vehicle of claim 8, wherein the oil and gas delivery drive unit is an oil and gas control pump, and the oil and gas exchange pipeline is further provided with an oil and gas control valve, the oil and gas control valve is closer to the fuel tank than the oil and gas control pump, and the oil and gas control valve is used for controlling the on-off of the oil and gas exchange pipeline;
the oil-gas control system comprises an oil-gas control valve, an oil-gas exchange pipeline, an oil-gas control pump, an oil-gas control valve and an oil-gas control valve, wherein the oil-gas exchange pipeline is connected with the oil-gas control pump and the oil-gas control valve through a connecting part, and the connecting part is used for connecting an engine to convey oil gas to the engine.
10. The vehicle of claim 9, characterized in that an engine intake is provided on the engine, the engine intake being connected to the connecting portion;
and an air inlet electromagnetic valve is arranged on the air inlet pipe of the engine to switch on and off the air inlet pipe of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222339080.6U CN217873057U (en) | 2022-08-31 | 2022-08-31 | Active oil gas recovery device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222339080.6U CN217873057U (en) | 2022-08-31 | 2022-08-31 | Active oil gas recovery device and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN217873057U true CN217873057U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222339080.6U Active CN217873057U (en) | 2022-08-31 | 2022-08-31 | Active oil gas recovery device and vehicle |
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| Country | Link |
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| CN (1) | CN217873057U (en) |
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2022
- 2022-08-31 CN CN202222339080.6U patent/CN217873057U/en active Active
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