CN107962951B - Nano fuel additive self-mixing type fuel tank and control method thereof - Google Patents
Nano fuel additive self-mixing type fuel tank and control method thereof Download PDFInfo
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- CN107962951B CN107962951B CN201711455733.4A CN201711455733A CN107962951B CN 107962951 B CN107962951 B CN 107962951B CN 201711455733 A CN201711455733 A CN 201711455733A CN 107962951 B CN107962951 B CN 107962951B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/03348—Arrangements or special measures related to fuel tanks or fuel handling for supplying additives to fuel
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- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
A self-mixing oil tank of nano fuel additive and a control method thereof, comprising the steps of: opening a sealing cover of the oil filling port, and filling fuel into the oil tank; the driver controls the switch unit to enable the feeding driving motor to be in a to-be-operated state, and the mass fraction of the nano fuel additive relative to the fuel is set through the control unit according to the fuel characteristics; the control unit calculates the mass of the nano fuel additive to be added according to the mass of the fuel fed back by the pressure sensor, and then calculates the conveying time of the nano fuel additive; the control unit controls the feeding driving motor to enable the spiral feeding device to work, and the nano fuel additive enters the oil tank and is stirred; the control unit drives the stirring driving motor and the ultrasonic oscillator to work, and the stirring driving motor drives the mechanical stirring device to operate, so that the fuel oil and the nano fuel oil additive are uniformly mixed; and after the fuel is consumed, the fuel tank is refilled with fuel, and the steps are repeated. The mixing effect can be improved, the mixing efficiency can be improved, and the modified fuel oil can be accurately configured.
Description
Technical Field
The invention belongs to the technical field of self-mixing of nano fuel additives, and particularly relates to a self-mixing type fuel tank of a nano fuel additive and a control method thereof.
Background
The shortage of energy and environmental pollution are two permanent problems faced by human development, and various energy-saving fuel additives at home and abroad are successively introduced from the last century, but the energy-saving fuel additives have different degrees of defects in practical application. How to improve the combustion efficiency of fuel and reduce exhaust pollutants has been attracting more and more attention. Related researches show that the combustion and emission characteristics in an engine cylinder are influenced by the fuel composition and the physicochemical characteristics, and the physicochemical characteristics of the fuel can be improved to a certain extent by adding the nano-powder fuel additive with excellent performance in a certain proportion into the fuel, so that the combustion efficiency and the economic performance are improved, and the exhaust pollutants are reduced. At present, the fuel additive mainly uses some metals or metal compounds, such as rare earth substances such as Mn, ce, co and the like, and compounds thereof. The additive and the fuel oil are mixed according to a proper proportion and then are filled into the fuel tank for combustion. This mixing and proportioning is referred to as tank external mixing. In this hybrid approach, the workflow typically adopted is: measuring-quantifying fuel oil, determining the required additive mass through calculation, measuring the additive, and performing ultrasonic vibration (suitable for the case of less mass) or mechanical stirring (suitable for the case of more mass). Among them, the ultrasonic oscillator is excellent in mixing effect, but it is easy to take too much time when the ultrasonic oscillator is used singly, and the mechanical stirring is just opposite, but the mixing effect of the mechanical stirring is poor. Therefore, there is an urgent need for a fuel additive mixing device and control method that has high efficiency and excellent mixing effect to improve fuel combustion efficiency and reduce exhaust pollutants.
In view of the above prior art, the applicant has devised an advantageous design and the technical solutions described below are created in this context.
Disclosure of Invention
The invention aims at providing a nano fuel additive self-mixing type fuel tank which is efficient and has excellent mixing effect and can better improve the combustion efficiency of fuel.
Another task of the present invention is to provide a method for controlling a nano fuel additive self-mixing type fuel tank, which is simple in steps and can ensure the comprehensive manifestation of the technical effects of the nano fuel additive self-mixing type fuel tank.
The invention discloses a nano fuel additive self-mixing type fuel tank, which comprises a fuel tank bracket and a fuel tank embedded on the fuel tank bracket, and is characterized in that: the mechanical stirring device comprises a rotating shaft, a first clamping ring, a second clamping ring and a plurality of blades which are arranged at intervals around the rotating shaft, the first clamping ring is arranged at one end of the rotating shaft, the second clamping ring is arranged at the other end of the rotating shaft and is in sliding fit with the rotating shaft, one end of each blade is hinged with the first clamping ring, the other end of each blade is hinged with the second clamping ring, the stirring driving motor is arranged at the outer side of the oil tank, a transmission shaft of the stirring driving motor is in transmission connection with the other end of the rotating shaft, the spiral feeding device comprises a feeding pipe and a feeding spiral, wherein the feeding pipe is arranged on the outer side of the oil tank, one end of the feeding pipe is fixedly arranged on the oil tank and is communicated with the inner cavity of the oil tank, the middle of the feeding pipe in the length direction obliquely extends out of a connecting port which is communicated with an additive storage tank and is used for introducing nano fuel additives into the feeding pipe, the feeding spiral penetrates through a pipe cavity of the feeding pipe, one end of the feeding spiral extends along the axial direction of the feeding pipe and enters the inner cavity of the oil tank, a transmission shaft of a feeding driving motor is in transmission connection with the other end of the feeding spiral, an ultrasonic oscillator is arranged at the bottom of an oil tank bracket, and a pressure sensor is arranged at the bottom of the inner cavity of the oil tank.
In a specific embodiment of the invention, the ultrasonic vibration stirring device further comprises a control mechanism, wherein the control mechanism comprises a control unit and a switch unit, and the control unit is electrically connected with the switch unit, the stirring driving motor, the feeding driving motor, the ultrasonic vibrator and the pressure sensor.
In another specific embodiment of the present invention, the first collar is connected to the rotating shaft by a flat key; the second clamping ring is connected with the rotating shaft by adopting a screw.
In another specific embodiment of the invention, the blade is formed by hinging two stirring rods end to end.
In still another specific embodiment of the present invention, the feeding pipe is formed with a fixed end at a connection with the oil tank, and the fixed end is connected with a side wall of the oil tank through a screw structure.
In a further specific embodiment of the present invention, the oil tank is provided with an oil filler, and the oil filler is provided with an oil filler sealing cover.
In still another specific embodiment of the present invention, the number of the mechanical stirring devices is three, the mechanical stirring devices are arranged at intervals along the length direction of the oil tank, a partition plate is further arranged between two adjacent mechanical stirring devices, the stirring driving motors are the same as the mechanical stirring devices in number and correspond to each other in position, wherein the two stirring driving motors located at the outermost sides are opposite in steering, and the steering of the stirring driving motor in the middle is randomly changed.
The other task of the invention is realized in this way, a control method of the self-mixing type oil tank of the nanometer fuel additive is characterized by comprising the following steps:
s1) opening a sealing cover of the oil filling port, and filling fuel into the oil tank;
s2) a driver controls the switch unit to enable the feeding driving motor to be in a to-be-operated state, and meanwhile, the mass fraction Q of the nano fuel additive relative to the fuel is set through the control unit according to the fuel characteristics;
s3) the control unit calculates the mass M '=MQ/(1-Q) of the nano fuel additive to be added according to the fuel mass fed back by the pressure sensor, and further calculates the delivery time t=M'/M of the nano fuel additive, wherein M is the fuel mass and M is the delivery mass of the nano fuel additive in unit time;
s4) the control unit controls the feeding driving motor to enable the spiral feeding device to work and set the working time as t, and the nano fuel additive enters the fuel tank through the connecting port and is stirred by using the feeding spiral;
s5) the control unit drives the stirring driving motor and the ultrasonic oscillator to work and set the working time to be kt, and the stirring driving motor drives the mechanical stirring device to operate so as to uniformly mix the fuel and the nano fuel additive, wherein k is a constant coefficient;
s6) after fuel consumption, refilling the fuel tank with fuel, and repeating the steps S1) to S5).
In a further specific embodiment of the present invention, after the step S5), if the nano fuel additive is precipitated, the driver drives the mechanical stirring device and the ultrasonic oscillator to operate by controlling the switch unit and the control unit, so as to perform secondary mixing.
In still another specific embodiment of the present invention, in the step S4) and the step S5), if a fault occurs, the driver controls the feeding driving motor and the stirring driving motor to make a sudden stop through the switching unit and the control unit.
Due to the adoption of the structure, compared with the prior art, the invention has the beneficial effects that: the mechanical stirring auxiliary ultrasonic vibration mixing mode is adopted between the fuel oil and the nano fuel oil additive, so that the mixing effect can be well improved, the mixing efficiency can be improved, the modified fuel oil can be accurately configured, the efficient combustion, energy conservation and emission reduction of the engine can be realized, and the working efficiency of the engine can be improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the self-mixing type oil tank for nano fuel additives.
Fig. 2 is another view of fig. 1.
Fig. 3 is a schematic view of the inside of the fuel tank according to the present invention.
Fig. 4 is a schematic structural view of the mechanical stirring device according to the present invention.
Fig. 5 is a schematic structural view of the spiral feeding device according to the present invention.
Fig. 6 is a circuit block diagram of a control mechanism according to the present invention.
FIG. 7 is a schematic flow chart of a method for controlling a self-mixing type oil tank of the nano fuel additive.
In the figure: 1. an oil tank bracket; 2. the oil tank, 21, the oil filler sealing cover, 22, the oil outlet, 23, the oil return port and 24, the baffle; 3. mechanical stirring device, 31, rotating shaft, 32, first clamping ring, 33, second clamping ring, 34, blade and 341, stirring rod; 4. a stirring driving motor; 5. screw feeding device, 51, feeding pipe, 511, connecting port, 512, fixed end, 52, feeding screw; 6. a feeding driving motor; 7. an ultrasonic oscillator; 8. a pressure sensor; 9. control mechanism, 91, control unit, 92, switch unit.
Detailed Description
In order that the nature and advantages of the invention may be fully understood by the applicant, a detailed description of specific embodiments of the invention will be presented below with reference to the accompanying drawings, but the description of the examples by applicant is not intended to be a limitation, and any variations in form but not substance, according to the inventive concept should be regarded as being within the scope of the invention.
Referring to fig. 1 to 5, the invention relates to a self-mixing type oil tank for nano fuel additives, which comprises an oil tank bracket 1, an oil tank 2 embedded on the oil tank bracket 1, a mechanical stirring device 3, a stirring driving motor 4, a spiral feeding device 5, a feeding driving motor 6, an ultrasonic oscillator 7 and a pressure sensor 8. The oil tank 2 is provided with an oil filler, and the oil filler is provided with an oil filler sealing cover 21. The oil tank 2 is also provided with an oil outlet 22 and an oil return port 23. The mechanical stirring device 3 is arranged in the internal cavity of the oil tank 2, and the mechanical stirring device 3 comprises a rotating shaft 31, a first clamping ring 32, a second clamping ring 33 and a plurality of blades 34 which are arranged at intervals around the rotating shaft 31. The first collar 32 is disposed at one end of the rotating shaft 31, the second collar 33 is disposed at the other end of the rotating shaft 31 and forms a sliding fit with the rotating shaft 31, one end of the vane 34 is hinged with the first collar 32, and the other end is hinged with the second collar 33. Specifically, the first collar 32 is connected and fixed with the rotating shaft 31 by adopting a flat key; the second clamping ring 33 is connected with the rotating shaft 31 by a screw, and the second clamping ring 33 can move back and forth along the axial direction of the rotating shaft 31 but cannot rotate around the rotating shaft 31. When in installation, one end of the rotating shaft 31 provided with the first clamping ring 32 is separated from the side wall of the oil tank 2 facing the end by 30-50 mm, so as to prevent the end from touching the side wall during the rotating stirring process. The vane 34 can be moved back and forth by the second collar 33 to change the angle with the rotation shaft 31. In this embodiment, the blade 34 is formed by hinging two stirring rods 341 end to end, and the stirring rods 341 are made of corrosion-resistant materials. The blades 34 can be opened or contracted under the traction of the second clamping ring 33, so that the installation and the disassembly are convenient. The stirring driving motor 4 is arranged on the outer side of the oil tank 2, and a transmission shaft of the stirring driving motor 4 is in transmission connection with the other end of the rotating shaft 31. In this embodiment, the number of the mechanical stirring devices 3 is three, and the mechanical stirring devices are arranged at intervals along the length direction of the oil tank 2. The tank 2 is further provided with a partition 24 between two adjacent mechanical stirring devices 3. The number of the stirring driving motors 4 is the same as that of the mechanical stirring devices 3, and the positions of the stirring driving motors 4 are corresponding to each other, wherein the steering directions of the two stirring driving motors 4 at the outermost side are opposite, and the steering directions of the stirring driving motors 4 in the middle are randomly changed, so that the phenomenon of uneven relative flow of fuel between the two mechanical stirring devices 3 caused by the same steering directions of the motors in the mechanical stirring process can be avoided as much as possible, and the mixing effect of the fuel and the additive is poor. The spiral feeding device 5 adopts a spiral conveying mode and comprises a feeding pipe 51 and a feeding spiral 52, wherein the feeding pipe 51 is arranged on the outer side of the oil tank 2, the feeding pipe 51 is provided with a fixed end 512 at one end, and the fixed end 512 is connected with the side wall of the oil tank 2 through a threaded structure, so that the feeding pipe 51 is communicated with the inner cavity of the oil tank 2. The feeding pipe 51 extends obliquely at the middle part of the length direction to form a connecting port 511 communicated with the additive storage tank and used for introducing the nano fuel additive into the feeding pipe 51, the feeding screw 52 penetrates through the pipe cavity of the feeding pipe 51, and one end of the feeding screw 52 extends along the axial direction of the feeding pipe 51 and enters the inner cavity of the fuel tank 2. The transmission shaft of the feeding driving motor 6 is in transmission connection with the other end of the feeding screw 52. The wires of the feeding driving motor 6 and the stirring driving motor 4 are insulated from the oil tank 2 by good insulation treatment. The ultrasonic oscillator 7 is arranged at the bottom of the oil tank bracket 1, and the pressure sensor 8 is arranged at the bottom of the inner cavity of the oil tank 2.
Referring to fig. 6, the nano fuel additive self-mixing type fuel tank further comprises a control mechanism 9, wherein the control mechanism 9 comprises a control unit 91 and a switch unit 92, and the control unit 91 is electrically connected with the switch unit 92, the stirring driving motor 4, the feeding driving motor 6, the ultrasonic oscillator 7 and the pressure sensor 8. After the fuel is added to the tank 2, the control unit 91 measures the fuel amount by the pressure sensor 8, and controls the screw feeder 5 to feed an appropriate amount of nano fuel additive into the tank 2 according to the fuel amount. The control mechanical stirring device 3 and the ultrasonic oscillator 7 are controlled by the control unit 91 to be started for uniformly mixing the fuel oil in the fuel tank 2 and the nano fuel oil additive, so that the mixing efficiency of the fuel oil and the nano fuel oil additive can be improved, the action effect of the nano fuel oil additive is improved, the combustion efficiency of an engine is improved, and the emission of harmful pollutants is reduced.
In order to well improve the combustion and emission of the engine, such as improving the engine power and reducing the emission of NOx, PM and the like, the nano fuel additive and the fuel must meet a fixed proportion relation, and the mass fraction of the nano fuel additive in the fuel is ensured to be fixed. Assuming that the mass of the fuel is M and the mass of the nano fuel additive is M ", the fixed mass fraction between the two is Q, the relationship M"/(M "+m) =q between M, M" and Q needs to be satisfied.
Referring to fig. 7, a control method of a nano fuel additive self-mixing type fuel tank includes the following steps:
s1) opening a fuel filler sealing cover 21 to fill fuel into the fuel tank 2;
s2) a driver controls the switch unit 92 to enable the feeding driving motor 6 to be in a waiting state, and the mass fraction Q of the nano fuel additive relative to the fuel is set through the control unit 91 according to the fuel characteristics;
s3) the control unit 91 calculates the mass M "=mq/(1-Q) of the nano fuel additive to be added according to the fuel mass fed back by the pressure sensor 8, so as to calculate the delivery time t=m"/M of the nano fuel additive, where M is the fuel mass and M is the delivery mass of the nano fuel additive in unit time;
s4), the control unit 91 controls the feeding driving motor 6 to enable the spiral feeding device 5 to work and set the working time to be t, and the nano fuel additive enters the fuel tank 2 through the connecting port 511 and is stirred by the feeding spiral 52;
s5) the control unit 91 drives the stirring driving motor 4 and the ultrasonic oscillator 7 to work and set the working time to be kt, the stirring driving motor 4 drives the mechanical stirring device 3 to operate, so that the fuel oil and the nano fuel oil additive are uniformly mixed, the time consumed by stirring and mixing the traditional nano fuel oil additive before filling the fuel oil is saved, and the working efficiency can be improved, wherein k is a constant coefficient calibrated through a test and is calibrated in the prior art, and redundant description is omitted here;
s6) after fuel consumption, the fuel tank 2 is refilled with fuel, and the steps S1) to S5) are repeated.
In the step S3), the conveying efficiency of the nano fuel additive is calibrated through a test. Specifically, the rotation speed v (r/min) of the feeding driving motor 6 and the nano fuel additive conveying quality M (g/min) in unit time are determined, and then the constant parameters (such as the rotation speed of the feeding screw 52) of the screw feeding device 5 in the working process are determined through test calibration, so that the nano fuel additive conveying quality is only in a linear relation with time, namely M "=m×t.
In the actual working process, before the automobile starts to fill fuel, a part of residual fuel is always in the fuel tank 2, if the mass of the part of residual mixed fuel is not calculated, but the filling amount of the nano fuel additive is determined only according to the total mass of the fuel in the fuel tank 2 after the end of filling, the actual mixing mass of the nano fuel additive can be increased on the premise of a certain mixing ratio of the fuel and the nano fuel additive, and the mixing ratio error of the fuel and the nano fuel additive is larger. In the present embodiment, the initial oil pressure in the oil tank 2 is measured by the pressure sensor 8 and fed back to the control unit 91 (the information feedback time interval of the pressure sensor 8 is 2 s), the initial oil pressure is assumed to be P is . After starting to fill with fuel, the real-time pressure P i The oil pressure P at the later moment is monotonically increased with respect to the time t ih With the oil pressure P at the previous moment iq The difference is always positive. When the oil filling is finished, the oil pressure P is at the later moment ih With the oil pressure P at the previous moment iq Equal, the difference value of the two is 0, the actual oil pressure corresponding to the moment is recorded as P iq . The control unit 91 calculates P iq And P is Is a difference deltaP of (1) i ，ΔP i ＝P iq -P is . By DeltaP i The injected fuel mass M, m=Δp can be calculated i S/g, wherein S is the acting area of the fuel pressure at the bottom of the fuel tank 2 (can be approximately taken according to the structure of the actual fuel tank 2). When DeltaP i >And 0, controlling the spiral feeding device 5 to start working. There is a fixed ratio between the nano fuel additive and the fuel, which ratio can be set in the control unit 91, after determining the amount of fuel to be added, byThe control unit 91 automatically calculates the running time t of the screw feeding device 5, and conveys the nano fuel additive with corresponding mass into the fuel tank 2, and stops receiving the feedback signal of the pressure sensor 8 to ensure that the mass percentage Q of the nano fuel additive and the fuel is constant until the nano fuel additive is conveyed. At the same time, the control unit 91 controls the operation of the mechanical stirring device 3 and the ultrasonic oscillator 7 to sufficiently mix the fuel and the nano fuel additive.
The switch unit 92 is controlled by a driver according to the working requirement, and when the addition and stirring process of the nano fuel additive are failed, the control unit 91 controls the feeding driving motor 6 and the stirring driving motor 4 to carry out scram, and the mixing operation is suspended. If the vehicle is not started for a long time and the additive precipitation phenomenon occurs in the mixed fuel, the driver can drive the mechanical stirring device 3 and the ultrasonic oscillator 7 to work by controlling the switch unit 92 and the control unit 91, and perform secondary mixing, and the determination of the stirring time required for the secondary mixing is the same as steps S3) to S5).
The invention is suitable for medium and large-sized automobiles, can realize high-efficiency combustion of the engine, saves energy and reduces emission, and improves the working efficiency of the engine.
Claims (7)
1. The utility model provides a nanometer fuel additive is from mixing formula oil tank, includes oil tank bracket (1) and inlays oil tank (2) of establishing on oil tank bracket (1), its characterized in that: the device also comprises a mechanical stirring device (3), a stirring driving motor (4), a spiral feeding device (5), a feeding driving motor (6), an ultrasonic oscillator (7) and a pressure sensor (8), wherein the mechanical stirring device (3) is arranged in an internal cavity of the oil tank (2), the mechanical stirring device (3) comprises a rotating shaft (31), a first clamping ring (32), a second clamping ring (33) and a plurality of blades (34) which are arranged at intervals around the rotating shaft (31), the first clamping ring (32) is arranged at one end of the rotating shaft (31), the second clamping ring (33) is arranged at the other end of the rotating shaft (31) and forms sliding fit with the rotating shaft (31), one end of the blade (34) is hinged with the first clamping ring (32), the other end of the blade (34) is hinged with the second clamping ring (33), the stirring driving motor (4) is arranged at the outer side of the oil tank (2), a transmission shaft of the stirring driving motor (4) is in transmission connection with the other end of the rotating shaft (31), the spiral feeding device (5) comprises a feeding pipe (51) and a feeding pipe (52), the feeding pipe (51) is arranged at the outer side of the oil tank (2) and is fixedly connected with the inner cavity (2) of the oil tank, the middle part of the feeding pipe (51) in the length direction obliquely extends to form a connecting port (511) which is communicated with an external additive storage box and used for introducing the nano fuel additive into the feeding pipe (51), the feeding screw (52) is arranged in a pipe cavity of the feeding pipe (51) in a penetrating mode, one end of the feeding screw (52) extends along the axial direction of the feeding pipe (51) and enters an inner cavity of the fuel tank (2), a transmission shaft of the feeding driving motor (6) is in transmission connection with the other end of the feeding screw (52), the ultrasonic oscillator (7) is arranged at the bottom of the fuel tank bracket (1), and the pressure sensor (8) is arranged at the bottom of the inner cavity of the fuel tank (2); the device also comprises a control mechanism (9), wherein the control mechanism (9) comprises a control unit (91) and a switch unit (92), and the control unit (91) is electrically connected with the switch unit (92), the stirring driving motor (4), the feeding driving motor (6), the ultrasonic oscillator (7) and the pressure sensor (8); the oil tank (2) is provided with an oil filling port, and the oil filling port is provided with an oil filling port sealing cover (21); the number of the mechanical stirring devices (3) is three, the mechanical stirring devices are arranged at intervals along the length direction of the oil tank (2), a partition plate (24) is further arranged between two adjacent mechanical stirring devices (3) in the oil tank (2), the stirring driving motors (4) are the same as the mechanical stirring devices (3) in number and corresponding in position, the two stirring driving motors (4) located at the outermost side are opposite in steering, and the steering of the stirring driving motor (4) in the middle randomly changes.
2. The self-mixing type oil tank for nano fuel additives according to claim 1, wherein the first clamping ring (32) is connected with the rotating shaft (31) by adopting a flat key; the second clamping ring (33) is connected with the rotating shaft (31) by adopting a screw.
3. The self-mixing type oil tank for nano fuel additives according to claim 1, wherein the blade (34) is formed by hinging two stirring rods (341) end to end.
4. The self-mixing type oil tank for nano fuel additives according to claim 1, wherein the feeding pipe (51) is provided with a fixed end (512) at the joint with the oil tank (2), and the fixed end (512) is connected with the side wall of the oil tank (2) through a thread structure.
5. A method of controlling a nano fuel additive self-mixing fuel tank as claimed in claim 1, comprising the steps of:
s1) opening a fuel filler sealing cover (21) to fill fuel into the fuel tank (2);
s2) a driver controls the switch unit (92) to enable the feeding driving motor (6) to be in a to-be-operated state, and meanwhile, the mass fraction Q of the nano fuel additive relative to the fuel is set through the control unit (91) according to the fuel characteristics;
s3) the control unit (91) calculates the mass M '' of the nano fuel additive to be added, which is the mass of the fuel, according to the mass of the fuel fed back by the pressure sensor (8), wherein M is the mass of the fuel, and M is the mass of the nano fuel additive in unit time, wherein MQ/(100-Q), and further calculates the delivery time t=M '' of the nano fuel additive;
s4), the control unit (91) controls the feeding driving motor (6) to enable the spiral feeding device (5) to work and set the working time to be t, and the nano fuel additive enters the fuel tank (2) through the connecting port (511) and is stirred by the feeding spiral (52);
s5) the control unit (91) drives the stirring driving motor (4) and the ultrasonic oscillator (7) to work and set the working time to be kt, and the stirring driving motor (4) drives the mechanical stirring device (3) to operate so as to uniformly mix the fuel and the nano fuel additive, wherein k is a constant coefficient;
s6) after fuel consumption, refilling the fuel tank (2) with fuel, and repeating the steps S1) to S5).
6. The method for controlling a self-mixing type fuel tank for a nano fuel additive according to claim 5, wherein after the step S5), if the nano fuel additive is precipitated, a driver drives the mechanical stirring device (3) and the ultrasonic oscillator (7) to operate by controlling the switch unit (92) and the control unit (91) to perform secondary mixing.
7. The method for controlling a nano fuel additive self-mixing type fuel tank according to claim 5, wherein in the step S4) and the step S5), if a fault occurs, a driver controls the feeding driving motor (6) and the stirring driving motor (4) to make a sudden stop through the switching unit (92) and the control unit (91).
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| CN201711455733.4A CN107962951B (en) | 2017-12-28 | 2017-12-28 | Nano fuel additive self-mixing type fuel tank and control method thereof |
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| CN1865034A (en) * | 2005-05-18 | 2006-11-22 | 上海中油企业集团有限公司 | Oil tank for alcohol fuel car |
| DE102011086221A1 (en) * | 2011-11-11 | 2013-05-16 | Robert Bosch Gmbh | Optimization of tank ventilation of a fuel tank |
| FR3008140A1 (en) * | 2013-07-02 | 2015-01-09 | Peugeot Citroen Automobiles Sa | DEVICE FOR ADDING AN ADDITIVE TO A FUEL |
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