CN112937289A - Utilization device for changing windward resistance into power of automobile - Google Patents

Utilization device for changing windward resistance into power of automobile Download PDF

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Publication number
CN112937289A
CN112937289A CN202110315837.5A CN202110315837A CN112937289A CN 112937289 A CN112937289 A CN 112937289A CN 202110315837 A CN202110315837 A CN 202110315837A CN 112937289 A CN112937289 A CN 112937289A
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China
Prior art keywords
automobile
air inlet
grille
fan
motor
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Granted
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CN202110315837.5A
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CN112937289B (en
Inventor
杨子明
郝慧荣
张慧杰
高志鹰
周冬
侯振煜
张行
曹艳壮
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Inner Mongolia University of Technology
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Inner Mongolia University of Technology
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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
    • B60K16/00—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30—Wind motors specially adapted for installation in particular locations
    • F03D9/32—Wind motors specially adapted for installation in particular locations on moving objects, e.g. vehicles
    • 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
    • B60K16/00—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind
    • B60K2016/006—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind wind power driven
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/90—Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof

Abstract

The invention discloses a device for utilizing windward resistance variable power of an automobile, which mainly relates to the technical field of vehicle engineering; the method comprises the following steps: a vehicle speed sensor; an ECU; the front end of the automobile is provided with a front air inlet communicated with the front air channel, a front air grid is arranged in the front air inlet, the bottom of the automobile is provided with a front exhaust port communicated with the front air channel, a front exhaust grid is arranged in the front exhaust port, and a front fan is arranged in the front air channel; a generator; the top of the automobile is provided with a rear air inlet communicated with the rear air channel, a rear air inlet grille is arranged in the rear air inlet, the rear end of the automobile is provided with a rear air outlet communicated with the rear air channel, a rear exhaust grille is arranged in the rear air outlet, and a rear fan is arranged in the rear air channel; an electric motor; a transformer; the invention can convert part of the energy of the head-on air flow in the driving process of the automobile into the kinetic energy of the automobile, reduces the wind resistance, improves the negative pressure area in high-speed driving and can improve the utilization rate of energy.

Description

Utilization device for changing windward resistance into power of automobile
Technical Field
The invention relates to the technical field of vehicle engineering, in particular to a device for utilizing windward resistance of an automobile to change power.
Background
The running resistance of the automobile consists of mechanical resistance and air resistance, the resistance composition of the automobile during running is not constant, the mechanical resistance is mainly applied to the automobile during low-speed running, the proportion of air resistance is greatly increased when the automobile runs at high speed, for example, when the automobile runs at the speed of 90km/h, the air resistance accounts for about 55 percent of the total running resistance, at the moment, 55 percent of the total power generated by the engine is consumed by air resistance, therefore, when the automobile runs, the recovery of the energy of the head-on airflow can greatly improve the utilization rate of the energy, most of the existing recovery devices for the energy of the oncoming airflow on some running vehicles adopt the form of wind turbines, the windward resistance is converted into electric energy to be stored for secondary utilization, and the energy of the oncoming airflow cannot be directly converted into the kinetic energy of the running vehicles, so that certain energy loss is caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a device for utilizing the windward resistance of an automobile to change power, can convert part of energy of the windward airflow in the running process of the automobile into kinetic energy of the automobile, reduces the wind resistance, improves a negative pressure area in high-speed running, can reduce the energy consumption of the automobile, and improves the utilization rate of energy.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a car windward resistance becomes utilization equipment of power, includes:
the vehicle speed sensor is arranged at the wheel of the automobile and used for measuring the speed of the automobile;
ECU；
the front air duct is positioned at the front end in the automobile body of the automobile, the front end of the automobile is provided with a front air inlet communicated with the front air duct, a front air grid is arranged in the front air inlet, the bottom of the automobile is provided with a front air outlet communicated with the front air duct, the front air outlet is provided with a front air grid, and the front air duct is internally provided with a front fan;
the generator is arranged in the automobile body of the automobile, and a rotor of the generator is in transmission connection with the front fan;
the rear air duct is positioned at the rear end of the automobile body of the automobile, a rear air inlet communicated with the rear air duct is formed in the top of the automobile, a rear air inlet grille is arranged in the rear air inlet, a rear air outlet communicated with the rear air duct is formed in the rear end of the automobile, a rear air exhaust grille is arranged in the rear air outlet, and a rear fan is arranged in the rear air duct;
the motor is arranged in the automobile body of the automobile, and a rotating shaft of the motor is in transmission connection with the rear fan;
the input end of the transformer is connected with the generator, and the output end of the transformer is connected with the motor;
the vehicle speed sensor, the front air inlet grille, the front exhaust grille, the rear air inlet grille, the rear exhaust grille, the generator, the transformer and the motor are all in signal connection with the ECU.
Preferably, the front air inlet grille and the rear air inlet grille are both active air inlet grilles, and the front exhaust grille and the rear exhaust grille are both active exhaust grilles.
Preferably, the transformer includes closed iron core, be equipped with the fixed coil winding that is connected with the generator on the closed iron core, the variable coil winding who is connected with the motor, be equipped with sliding contact on the variable coil winding, sliding contact is connected with the control motor who is used for adjusting sliding contact's position, control motor and ECU signal connection.
Preferably, the generator and the motor are both provided with a rotating speed sensor, and the rotating speed sensors are in signal connection with the ECU.
Preferably, the output end of the transformer is connected with a rectifier, the rectifier is connected with a storage battery, and the ECU is connected with a brake pedal sensor.
Preferably, the front fan and the rear fan are vertical-axis fans.
Compared with the prior art, the invention has the beneficial effects that:
1. the vehicle speed sensor is used for measuring the vehicle speed of the vehicle and sending the measurement result to the ECU, and the ECU judges whether the vehicle speed reaches the starting condition of the invention, for example, the starting condition can be set to the vehicle speed of 90km/h or more; when the ECU judges that the vehicle speed reaches the opening condition of the invention, the ECU controls to open the front air grid, the front exhaust grid, the rear air grid and the rear exhaust grid, the front fan rotates under the action of resistance wind, the generator generates electric energy, the electric motor changes the electric energy into the rotational kinetic energy of the rear fan, and the rear fan rotates to enable the air flow to flow into the rear air channel from the rear air grid and flow out from the rear exhaust grid to generate backward thrust, so that the recovery of the windward resistance of the vehicle with uniform speed and acceleration in a high-speed state can be completed, part of energy of the windward air flow in the driving process of the vehicle is converted into the kinetic energy of the vehicle, the wind resistance is reduced, the negative pressure area in the high-speed driving process is improved, the energy consumption of the vehicle can be reduced, and the utilization rate.
2. The invention can shorten the braking distance and recover the braking energy when the automobile brakes, the brake pedal sensor detects the position of the brake pedal and sends the detection result to the ECU, the ECU judges whether the brake pedal is stepped, if so, the rear air inlet grille, the rear exhaust grille and the motor are closed, and the electric energy generated by the generator is stored in the storage battery.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a control schematic of the ECU of the present invention;
FIG. 3 is a control flow diagram of the present invention;
FIG. 4 is a schematic diagram of a transformer of the present invention;
FIG. 5 is a transformer control flow diagram of the present invention;
FIG. 6 is a schematic diagram of the energy storage of the present invention in a high-speed braking state;
FIG. 7 is a control flow chart of the present invention in a high-speed braking state.
Reference numerals shown in the drawings:
1. a vehicle speed sensor; 2. an ECU; 3. an air intake grille; 4. a front exhaust grille; 5. a rear air intake grille; 6. a rear exhaust grille; 7. a front fan; 8. a generator; 81. fixing the coil winding; 82. a variable coil winding; 83. a sliding contact; 84. controlling the motor; 85. a rotational speed sensor; 9. a transformer; 10. an electric motor; 11. a rear fan; 12. a front air duct; 13. a rear air duct; 14. a rectifier; 15. a storage battery; 16. a brake pedal sensor.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): referring to the accompanying drawings 1-7, the invention discloses a device for utilizing the windward resistance of an automobile to change power, which is used for converting part of windward airflow energy into the kinetic energy of the automobile by designing an air duct and additionally arranging an energy recovery device from the viewpoint of reducing the maximum windward area, and specifically comprises the following steps:
the vehicle speed sensor 1 is mounted at the wheel of the automobile and used for measuring the speed of the automobile;
ECU2, ECU2 may directly employ the ECU of the vehicle itself;
the front air duct 12 is positioned at the front end in the automobile body of the automobile, the front end of the automobile is provided with a front air inlet communicated with the front air duct 12, a front air inlet grille 3 is arranged in the front air inlet, a front air outlet communicated with the front air duct 12 is arranged at the bottom of the automobile, a front exhaust grille 4 is arranged in the front air outlet, a front fan 7 is arranged in the front air duct 12, when the automobile runs, airflow enters the front air duct 12 from the front air inlet grille 3 and then is exhausted out of the front air duct 12 through the front exhaust grille 4, the rear wall of the front air duct is arc-shaped, the blades of the front fan 7 face the front air inlet, and a rotating shaft is fixed on the rear side of the blades;
the generator 8 is arranged in the body of the automobile, the generator 8 can be arranged in the front air duct 12 or at other positions of the body, and the rotor of the generator 8 is in transmission connection with the rotating shaft of the front fan 7 through a coupler;
the rear air duct 13 is positioned at the rear end of the automobile body of the automobile, a rear air inlet communicated with the rear air duct 13 is formed in the top of the automobile, a rear air inlet grille 5 is arranged in the rear air inlet, a rear air outlet communicated with the rear air duct 13 is formed in the rear end of the automobile, a rear air outlet grille 6 is arranged in the rear air outlet, a rear fan 11 is arranged in the rear air duct 13, the fan blades of the rear fan 11 face the rear air outlet, and a rotating shaft is fixed on the front side of the fan blades;
the front fan 7 and the rear fan 11 may be horizontal-axis fans or vertical-axis fans, and preferably, the front fan 7 and the rear fan 11 are vertical-axis fans.
Preferably, the front air inlet grille 3 and the rear air inlet grille 5 are both active air inlet grilles, and the front exhaust grille 4 and the rear exhaust grille 6 are both active exhaust grilles, so that the opening and closing of the grilles are conveniently controlled.
The motor 10 is installed in the body of the automobile, the motor 10 can be installed in the rear air duct 13 or at other positions of the body, and the rotating shaft of the motor 10 is in transmission connection with the rotating shaft of the rear fan 11 through a coupling;
the input end of the transformer 9 is connected with the generator 8, and the output end of the transformer 9 is connected with the motor 10;
the vehicle speed sensor 1, the front air inlet grille 3, the front exhaust grille 4, the rear air inlet grille 5, the rear exhaust grille 6, the generator 8, the transformer 9 and the motor 10 are in signal connection with the ECU 2.
Since the resistance composition of the automobile is not constant when the automobile is running, the automobile is mainly subjected to mechanical resistance when the automobile is running at low speed, the proportion of air resistance of the automobile when the automobile is running at high speed is greatly increased, and when the automobile is running at the speed of 90km/h, the air resistance accounts for about 55 percent of the total running resistance, namely 55 percent of the total power generated by the engine is consumed by the air resistance, so that the starting time of the invention is very important.
When the invention is used, the vehicle speed sensor 1 is used for measuring the vehicle speed of the automobile and sending the measurement result to the ECU2, and the ECU2 judges whether the vehicle speed reaches the opening condition of the invention, for example, the opening condition can be set as the vehicle speed reaches 90km/h or more; when the ECU2 judges that the vehicle speed reaches the opening condition of the invention, the ECU2 controls the opening of the front air inlet grille 3, the front exhaust grille 4, the rear air inlet grille 5 and the rear exhaust grille 6, the front fan 7 rotates under the action of resistance wind, the generator 8 generates electric energy, the generator 8 is connected with the transformer 9 through a lead, and the air flow flows in from the front air inlet grille 3 and flows out from the front exhaust grille 4 because the vehicle runs forwards; the transformer 9 is connected with the motor 10 through a lead, the motor 10 changes electric energy into the rotational kinetic energy of the rear fan 11, and the rear fan 11 rotates, so that air flow flows into the rear air duct 13 from the rear air inlet grille 5 and flows out from the rear air outlet grille 6 to generate backward thrust.
The front air duct 12 and the rear air duct 13 are installed to better utilize wind energy and reduce the generation of additional internal circulation resistance, specifically:
when the automobile runs at a speed of 90km/h or more, the air in the front of the automobile is V1Flows into the interior of the automobile through the opened front air grille 3;
the air entering the interior of the automobile is rectified and blown to the front fan 7 through the front air duct 12 and flows out of the automobile through the opened front exhaust grille 4;
air at the rear part of the automobile flows into a rear air duct 13 from the rear air inlet grille 5 under the action of a rear fan 11;
the air is accelerated and rectified in the rear air duct 13 through the opened rear exhaust grill 6 to be V2The speed of (2) is discharged outside the vehicle, as shown in fig. 1 and 3.
From the ideal conditions, the following equation can be derived from the law of conservation of energy:
W1＝W2；
Figure BDA0002991116220000061
ω1T1＝ω2T2＝W；
F1V1＝F2V2；
in the above formula: w is wind power, S is fan swept area, ρ is air density, V is vehicle speed1、V2Is the wind speed, F1、F2The resistance and the thrust of the wind. From the above equation, it can be seen that under ideal conditions, the power of the front fan 7 is equal to the power of the rear fan 11. If V1＞V2Can be made F1＜F2In this case, the resistance of the wind received by the front fan 7 of the vehicle is smaller than the thrust provided by the rear fan wind 11, so that the air resistance during the running of the vehicle can be changed to additional running power.
To achieve V1＞V2The condition of (2) is that the fan torque T is required1＜T2. The present invention changes the voltage and current of the motor 10 by using the transformer 9 to change the rotation speed of the rear fan 11, thereby satisfying T1＜T2The case (1).
Preferably, as shown in fig. 4, the transformer 9 includes a closed iron core, the closed iron core is provided with a fixed coil winding 81 connected to the generator 8 and a variable coil winding 82 connected to the motor 10, the variable coil winding 82 is provided with a sliding contact 83, the sliding contact 83 is connected to a control motor 84 for adjusting the position of the sliding contact 83, and the control motor 84 is in signal connection with the ECU 2. Furthermore, the generator 8 and the motor 10 are both provided with a rotation speed sensor 85, and the rotation speed sensor 85 is in signal connection with the ECU 2.
When the present invention is turned on, the rotation speed sensor 85 located in the vehicle measures the rotation speeds of the corresponding generator 8 and motor 10, and transmits a signal to the ECU 2; the ECU2 judges whether the rotation speed ratio of the generator 8 and the motor 10 meets the preset ratio, if not, the ECU controls the control motor 84 to drive the sliding contact 83 to move to meet the rotation speed omega of the rear fan 111And omega2In a preset proportion, thereby enabling the torque of the front fan and the torque of the rear fan to meet T in real time1And T2The control flow chart is shown in figure 5 when the set proportion is met.
Preferably, as shown in fig. 6, the output end of the transformer 9 is connected with a rectifier 14, the rectifier 14 is connected with a storage battery 15, and the ECU2 is connected with a brake pedal sensor 16, so that the present invention can not only complete the recovery of windward resistance of a vehicle with uniform speed and acceleration in a high speed state, but also shorten the braking distance and recover braking energy when the vehicle brakes.
The ECU2 judges whether the device for utilizing the automobile windward resistance variable power is started, if the device is started, the brake pedal sensor 16 detects the position of the brake pedal, the ECU2 judges whether the brake pedal is stepped, and if the brake pedal is stepped, the rear air inlet grille 5, the rear exhaust grille 6 and the generator 8 are closed; the front fan 7 continues to rotate under the action of the resistance wind, the generator 8 generates electric energy, and the generator 8 is connected with the transformer 9 through a lead to process the electric energy; the two ends of the rectifier 14 are respectively connected with the transformer 9 and the storage battery 15, the rectifier 14 converts the alternating current into direct current which can be stored by the storage battery 15, and the specific control flow is shown in fig. 7.

Claims (6)

1. The utility model provides a car windward resistance becomes utilization equipment of power which characterized in that includes:
the vehicle speed sensor (1), the said vehicle speed sensor (1) is installed at wheel of the car, is used for measuring the speed of the car;
ECU(2)；
the front air duct (12) is positioned at the front end in the automobile body of the automobile, a front air inlet communicated with the front air duct (12) is arranged at the front end of the automobile, a front air inlet grid (3) is arranged in the front air inlet, a front air outlet communicated with the front air duct (12) is arranged at the bottom of the automobile, a front air outlet grid (4) is arranged in the front air outlet, and a front fan (7) is arranged in the front air duct (12);
the generator (8), the said generator (8) is installed in car body of the car, and the rotor of the generator (8) is in drive connection with front fan (7);
the rear air duct (13) is positioned at the rear end of the automobile body of the automobile, a rear air inlet communicated with the rear air duct (13) is formed in the top of the automobile, a rear air inlet grille (5) is arranged in the rear air inlet, a rear air outlet communicated with the rear air duct (13) is formed in the rear end of the automobile, a rear air outlet grille (6) is arranged in the rear air outlet, and a rear fan (11) is arranged in the rear air duct (13);
the motor (10), the said motor (10) is installed in car body of the car, and the spindle of the motor (10) is connected with the back fan (11) in a driving way;
the input end of the transformer (9) is connected with the generator (8), and the output end of the transformer (9) is connected with the motor (10);
the vehicle speed sensor (1), the front air inlet grille (3), the front exhaust grille (4), the rear air inlet grille (5), the rear exhaust grille (6), the generator (8), the transformer (9) and the motor (10) are in signal connection with the ECU (2).
2. The device for utilizing the windward resistance variable power of the automobile according to claim 1, characterized in that: the front air inlet grille (3) and the rear air inlet grille (5) are both active air inlet grilles, and the front exhaust grille (4) and the rear exhaust grille (6) are both active exhaust grilles.
3. The device for utilizing the windward resistance variable power of the automobile according to claim 1, characterized in that: transformer (9) are including closed iron core, be equipped with on the closed iron core with fixed coil winding (81) that generator (8) are connected, variable coil winding (82) of being connected with motor (10), be equipped with sliding contact (83) on variable coil winding (82), sliding contact (83) are connected with control motor (84) that are used for adjusting the position of sliding contact (83), control motor (84) and ECU (2) signal connection.
4. The device for utilizing the windward resistance variable power of the automobile according to claim 3, characterized in that: and the generator (8) and the motor (10) are both provided with a rotating speed sensor (85), and the rotating speed sensor (85) is in signal connection with the ECU (2).
5. The device for utilizing the windward resistance variable power of the automobile according to claim 1, characterized in that: the output end of the transformer (9) is connected with a rectifier (14), the rectifier (14) is connected with a storage battery (15), and the ECU (2) is connected with a brake pedal sensor (16).
6. The device for utilizing the windward resistance variable power of the automobile according to claim 1, characterized in that: the front fan (7) and the rear fan (11) are vertical-axis fans.
CN202110315837.5A 2021-03-24 2021-03-24 Device for utilizing automobile windward resistance to change power Active CN112937289B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
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CN113492940A (en) * 2021-06-30 2021-10-12 无锡铃派科技有限公司 Electric vehicle plastic part shell capable of reducing wind resistance
CN113581220A (en) * 2021-06-18 2021-11-02 王金同 Wind power generation system of electric locomotive
CN114183308A (en) * 2021-11-12 2022-03-15 江苏大学 Electric automobile rear wheel energy recovery device and control method thereof
CN114954311A (en) * 2022-06-30 2022-08-30 奇瑞商用车（安徽）有限公司 Automobile front grille power generation system
CN115352266A (en) * 2022-09-06 2022-11-18 南京十里文化有限公司 Wind power generation application system and application method in automobile driving process
CN116968833A (en) * 2023-09-21 2023-10-31 威驰腾(福建)汽车有限公司 Energy recovery device and method and hydrogen fuel tractor
CN114183308B (en) * 2021-11-12 2024-05-14 江苏大学 Electric automobile rear-wheel energy recovery device and control method thereof

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