阅读说明：本技术 一种可降低风阻的电动车塑件外壳 (Electric vehicle plastic part shell capable of reducing wind resistance ) 是由 陈德东 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种可降低风阻的电动车塑件外壳,涉及电动车技术领域,包括前电动车身、底板、后电动车身,前电动车身的内腔开设有通风口,通风口的进风口处设置有栅格面板,所述通风口的内腔设置有电动马达,电动马达的左侧固定连接有转动轴,转动轴的外圈套装有风机叶片,通风口的出风口处设置有饰面板,前电动车身内腔的上部设置有蓄电池组件,前电动车身顶部的中部固定连接有支柱,支柱的内腔活动连接有车顶架,该电动车塑料件在叶片转动时,可以带动气流从栅格面板进入到通风口内,气流可以加速风机叶片的转动,可以减少电能消耗,起到节能作用,再由叶片将内部气流向前方吹出,改变局部气流方向,继而可以再度降低风阻带来的影响。(The invention discloses a plastic shell of an electric vehicle capable of reducing wind resistance, which relates to the technical field of electric vehicles and comprises a front electric vehicle body, a bottom plate and a rear electric vehicle body, wherein a ventilation opening is formed in the inner cavity of the front electric vehicle body, a grid panel is arranged at the air inlet of the ventilation opening, an electric motor is arranged in the inner cavity of the ventilation opening, a rotating shaft is fixedly connected to the left side of the electric motor, a fan blade is sleeved on the outer ring of the rotating shaft, a decorative panel is arranged at the air outlet of the ventilation opening, a storage battery assembly is arranged at the upper part of the inner cavity of the front electric vehicle body, a supporting column is fixedly connected to the middle part of the top of the front electric vehicle body, and a vehicle top frame is movably connected to the inner cavity of the supporting column, the local air flow direction is changed, and then the influence caused by wind resistance can be reduced again.)

1. The utility model provides a can reduce a shell is moulded to electric motor car of windage, includes preceding electric automobile body (1), bottom plate (2), back electric automobile body (3), its characterized in that: vent (4) have been seted up to the inner chamber of preceding electric automobile body (1), the air intake department of vent (4) is provided with grid panel (5), the inner chamber of vent (4) is provided with electric motor (6), the left side fixedly connected with axis of rotation (7) of electric motor (6), the outer lane cover of axis of rotation (7) is equipped with fan blade (8), the air outlet department of vent (4) is provided with decorative board (9), the upper portion of preceding electric automobile body (1) inner chamber is provided with battery pack (10), the middle part fixedly connected with pillar (11) at preceding electric automobile body (1) top, the inner chamber swing joint of pillar (11) has roof-rack (12).

2. The electric vehicle plastic part shell capable of reducing wind resistance according to claim 1, is characterized in that: the front surface of the roof frame (12) is provided with two headlights (13), and the inner cavity of the roof frame (12) is provided with a temperature and humidity sensor (121) and a heater (122).

3. The electric vehicle plastic part shell capable of reducing wind resistance according to claim 1, is characterized in that: the solar energy circuit board (14) is arranged on two sides of the top of the front electric vehicle body (1), the output end of the solar energy circuit board (14) is connected with the input end of the storage battery component (10), and the output end of the storage battery component (10) is electrically connected with the input ends of the electric motor (6), the temperature and humidity sensor (121) and the heater (122) respectively.

4. The electric vehicle plastic part shell capable of reducing wind resistance according to claim 1, is characterized in that: the utility model discloses a bicycle front fork assembly, including roof frame (12), front electric automobile body (1), rear electric automobile body (3), back fixedly connected with support (202) of bottom plate (2), the top fixedly connected with rear fork assembly (203) of support (202), be provided with between rear fork assembly (203) car rear wheel (18), the bottom of front electric automobile body (1) is provided with front fork assembly (15), be provided with between front fork assembly (15) front wheel (16), the bottom of bottom plate (2) is provided with foot rest (201), the top of rear electric automobile body (3) is provided with cushion (17), the back fixedly connected with support (202) of bottom plate (2), top fixedly connected with rear fork assembly (203) of support (202), be provided with between rear fork assembly (203) car rear wheel (18).

5. The electric vehicle plastic part shell capable of reducing wind resistance according to claim 1, is characterized in that: the back of the front electric vehicle body (1) is provided with a vehicle basket (19), and the vehicle basket (19) is slightly inclined.

6. The electric vehicle plastic part shell capable of reducing wind resistance as claimed in claim 2, wherein: the output end of the temperature and humidity sensor (121) is electrically connected with the input end of the heater (122), when the temperature of the headlamp (13) is lower than 10 ℃, the heater (122) is turned on, and otherwise, the heater is turned off.

7. The electric vehicle plastic part shell capable of reducing wind resistance as claimed in claim 2, wherein: the front face of the front electric vehicle body (1) is designed to be inclined backwards, and the whole electric vehicle body is in a small front and large rear state.

8. The electric vehicle plastic part shell capable of reducing wind resistance as claimed in claim 2, wherein: the ventilation opening (4) is an inverted C-shaped through hole, and the fan blade (8) rotates to blow air to the front of the vehicle.

Technical Field

The invention relates to the technical field of electric vehicles, in particular to an electric vehicle plastic part shell capable of reducing wind resistance.

Background

Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. Electric vehicles have been developed in china for decades as a green sunward industry. In terms of electric bicycles, electric bicycles in china have reached 1.2 million by 2010 and have grown at 30% of the annual rate. From the energy consumption perspective, the electric bicycle is only one eighth of a motorcycle and one twelfth of a car; from the occupied space, the electric bicycle only occupies one twentieth of the space occupied by a common private car; from the development trend, the market prospect of the electric bicycle industry still looks good. Electric bicycles have been favored by low-and low-income levels in cities due to their functional advantages of low price, convenience and environmental protection.

Present electric motor car working of plastics designs the diverse, but considers the factor of aeromechanics, and the front face design of electric motor car is arc curved surface design mostly, for reducing the windage, improves the stability that the electric motor car travel, but only relies on the curved surface design and can the maximize reduce the windage, and the anterior basket that all is provided with basically of current electric motor car in addition can increase the windage on the contrary, has increased the instability of electronic trip among the intangible.

Disclosure of Invention

The invention aims to provide an electric vehicle plastic part shell capable of reducing wind resistance so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can reduce a shell is moulded to electric motor car of windage, includes preceding electric motor car body, bottom plate, back electric motor car body, the vent has been seted up to the inner chamber of preceding electric motor car body, the air intake department of vent is provided with the grid panel, the inner chamber of vent is provided with electric motor, electric motor's left side fixedly connected with axis of rotation, the outer lane cover of axis of rotation is equipped with the fan blade, the air outlet department of vent is provided with the decorative board, the upper portion of preceding electric motor car body inner chamber is provided with battery pack, the middle part fixedly connected with pillar at preceding electric motor car body top, the inner chamber swing joint of pillar has roof-rack.

Preferably, the front surface of the roof rack is provided with two headlights, and the inner cavity of the roof rack is provided with a temperature and humidity sensor and a heater.

Preferably, the solar circuit boards are arranged on two sides of the top of the front electric vehicle body, the output end of each solar circuit board is connected with the input end of the storage battery assembly, and the output end of each storage battery assembly is electrically connected with the electric motor, the temperature and humidity sensor and the input end of the heater respectively.

Preferably, the both sides of roof-rack all are provided with rotation handle and brake lever, the bottom of preceding electric automobile body is provided with the front fork subassembly, be provided with the plantago wheel between the front fork subassembly, the bottom of bottom plate is provided with the foot rest, the top of back electric automobile body is provided with the cushion, the back fixedly connected with support of bottom plate, the top fixedly connected with back fork subassembly of support, be provided with the car rear wheel between the back fork subassembly.

Preferably, a basket is arranged on the back of the front electric vehicle body, and the basket is slightly inclined.

Preferably, the output end of the temperature and humidity sensor is electrically connected with the input end of the heater, when the temperature of the headlamp is lower than the temperature, the heater is turned on, and otherwise, the heater is turned off.

Preferably, the front face of the front motor-driven vehicle body is designed to be inclined rearward, and the whole body assumes a small front and large rear state.

Preferably, the ventilation opening is an inverted C-shaped through hole, and the fan blade rotates to blow air to the front of the vehicle.

Compared with the prior art, the invention has the beneficial effects that:

1. this can reduce electric motor car working of plastics of windage based on aerodynamics, the front face design of electric motor car front body is for inclining backward, and the side is the curve molding, big end-to-end, can reduce area of contact then reduce the resistance at the in-process of traveling, simultaneously at the in-process of traveling, electric motor drives the axis of rotation and rotates, then drive the fan blade and rotate, fan blade is to the square blast air of plantago, when the blade rotates, can drive the air current and enter into the vent from the grid panel, the air current can accelerate the rotation of fan blade, can reduce the consumption of power, play energy-conserving effect, blow off inside air current to the place ahead by the blade again, change local reverse air current into the forward air current, then can reduce the influence that the windage brought again.

2. This can reduce electric motor car working of plastics of windage based on aerodynamics, the both sides at preceding electric automobile body top are provided with solar circuit board, can charge to battery pack through solar charging technology, and the consumption of electric energy can be saved in the utilization of the new forms of energy to can charge anytime and anywhere, it is more convenient.

3. This can reduce electric motor car working of plastics of windage based on aerodynamics uses through the cooperation of temperature and humidity sensor and heater, and when temperature that temperature and humidity sensor detected headlight department was less than degree centigrade or humidity in the air was too big, opens the heater through the braking procedure for attached to the apparent drop of water evaporation once more at the glass cover, otherwise, then closes the stopper, ensures the normal use of illumination, provides the safety guarantee for the trip.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the whole structure of the present invention

FIG. 3 is a front view of the present invention;

fig. 4 is a schematic view of the internal structure of the front electric vehicle body of the invention.

In the figure: 1. a front electric vehicle body; 2. a base plate; 201. a foot rest; 202. a support; 203. a rear fork assembly; 3. a rear electric vehicle body; 4. a vent; 5. a grid panel; 6. an electric motor; 7. a rotating shaft; 8. a fan blade; 9. a veneer; 10. a battery assembly; 11. a pillar; 12. a roof rack; 121. a temperature and humidity sensor; 122. a heater; 123. rotating the handle; 124. a brake handle; 13. a vehicle headlamp; 14. a solar circuit board; 15. a front fork assembly; 16. a front wheel of the vehicle; 17. a cushion; 18. turning a rear wheel; 19. a bicycle basket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a can reduce a shell is moulded to electric motor car of windage, including preceding electric motor car body 1, bottom plate 2, back electric motor car body 3, vent 4 has been seted up to the inner chamber of preceding electric motor car body 1, the air intake department of vent 4 is provided with grid panel 5, the inner chamber of vent 4 is provided with electric motor 6, electric motor 6's left side fixedly connected with axis of rotation 7, the outer lane cover of axis of rotation 7 is equipped with fan blade 8, the air outlet department of vent 4 is provided with decorative board 9, the upper portion of 1 inner chamber of preceding electric motor car body is provided with battery pack 10, the middle part fixedly connected with pillar 11 at 1 top of preceding electric motor car body, the inner chamber swing joint of pillar 11 has roof-rack 12.

Wherein, vent 4 is "C" type through-hole of falling, and fan blade 8 rotates the blast air to car the place ahead, and the front face of preceding electric automobile body 1 is the design that inclines backward to whole present the state of being little back.

In this embodiment, the front face design of electric motor car front body is for inclining backward, and the side is the curved modeling, preceding little back is big, can reduce area of contact and then reduce the resistance in the in-process of traveling, simultaneously in the in-process of traveling, electric motor 6 drives axis of rotation 7 and rotates, then drive fan blade 8 and rotate, fan blade 8 blows air to the plantago, when the blade rotates, can drive the air current and enter into in the vent 4 from grid panel 5, the air current can accelerate fan blade 8's rotation, can reduce the consumption of power, play energy-conserving effect, again by the blade with inside air current blow off forward, the acceleration that the electric motor car was traveling in the front makes the air current backward flow, change local reverse air current into the forward air current through a series of design work of vent 4, then can reduce the influence that the windage brought again.

The front side of the roof frame 12 is provided with two headlights 13, the inner cavity of the roof frame 12 is provided with a temperature and humidity sensor 121 and a heater 122, the two sides of the top of the front electric vehicle body 1 are provided with the solar circuit boards 14, the output end of the solar circuit boards 14 is connected with the input end of the storage battery assembly 10, the output end of the storage battery assembly 10 is respectively electrically connected with the electric motor 6, the temperature and humidity sensor 121 and the input end of the heater 122, the output end of the temperature and humidity sensor 121 is electrically connected with the input end of the heater 122, when the temperature of the headlights 13 is lower than 10 ℃, the heater 122 is turned on, and otherwise, the front side is turned off.

In the embodiment, the solar circuit boards 14 are arranged on two sides of the top of the front electric vehicle body 1, the storage battery assembly 10 can be charged through a solar charging technology, the consumption of electric energy can be saved by using new energy, and the charging can be carried out at any time and any place, so that the charging is more convenient;

in rainy weather, night or winter during heavy fog, the headlights 13 need to be turned on, the turning-on of the headlights 13 can cause the local temperature around the lights to rise, then, the temperature difference is generated between the headlights 13 and the outside temperature, when the temperature is low or rainy days, a layer of small water drops can appear on the glass protective cover of the headlights 13, the influence is generated on the illumination, the temperature sensor 121 and the heater 122 are used in cooperation, when the temperature sensor 121 detects that the temperature of the headlights 13 is lower than 10 ℃ or the humidity in the air is too high, the heater 122 is turned on through a braking program, the water drops attached to the outer surface of the glass cover are evaporated again, otherwise, the brake 122 is turned off, the normal use of illumination is ensured, and the safety guarantee is provided for traveling.

Wherein, the both sides of roof-rack 12 all are provided with rotation handle 123 and brake handle 124, and the bottom of preceding electric automobile body 1 is provided with front fork subassembly 15, is provided with plantago wheel 16 between the front fork subassembly 15, and the bottom of bottom plate 2 is provided with foot rest 201, and the top of back electric automobile body 3 is provided with cushion 17, and the back fixedly connected with support 202 of bottom plate 2, the top fixedly connected with back fork subassembly 203 of support 202 is provided with car rear wheel 18 between the back fork subassembly 203.

Wherein, the back of the front electric vehicle body 1 is provided with a vehicle basket 19, and the vehicle basket 19 is slightly inclined.

In this embodiment, the most design of current electric motor car basket 19 is in the front portion of car face, considers from the aspect of the dynamics, and car basket 19 design is at the automobile body front portion to the area of contact grow that leads to openly and air, then can improve the windage, and sets up car basket 19 the back of electric motor car body 1 in the front, and car basket 19 is the micro-tilt setting, under the condition that does not influence the leg and places the comfort level, can reduce the windage, realizes low energy consumption high speed per hour.

The working principle is as follows: the front face of the front body of the electric vehicle is designed to be inclined backwards, the side face is in a curve shape, the front part is small, the rear part is large, the contact area can be reduced in the driving process, the resistance is reduced, meanwhile, in the driving process, the electric motor 6 drives the rotating shaft 7 to rotate, then the fan blade 8 is driven to rotate, the fan blade 8 blows air to the front part of the electric vehicle, when the blade rotates, the air flow can be driven to enter the ventilation opening 4 from the grid panel 5, the air flow can accelerate the rotation of the fan blade 8, the consumption of a power supply can be reduced, the energy-saving effect is achieved, then the internal air flow is blown forward by the blade, the air flow flows backwards due to the acceleration of the front driving of the electric vehicle, the local reverse air flow is changed into the forward air flow through a series of design work of the ventilation opening 4, the influence caused by wind resistance can be reduced again, the solar circuit boards 14 are arranged on the two sides of the top of the front electric vehicle body 1, the storage battery assembly 10 can be charged by a solar charging technology, the consumption of electric energy can be saved by using new energy, and the storage battery assembly can be charged at any time and any place, so that the storage battery assembly is more convenient; in rainy weather, night or winter during heavy fog, the headlights 13 need to be turned on, the turning-on of the headlights 13 can cause the local temperature around the lights to rise, then, the temperature difference is generated between the headlights 13 and the outside temperature, when the temperature is low or rainy days, a layer of small water drops can appear on the glass protective cover of the headlights 13, the influence is generated on the illumination, the temperature sensor 121 and the heater 122 are used in cooperation, when the temperature sensor 121 detects that the temperature of the headlights 13 is lower than 10 ℃ or the humidity in the air is too high, the heater 122 is turned on through a braking program, the water drops attached to the outer surface of the glass cover are evaporated again, otherwise, the brake 122 is turned off, the normal use of illumination is ensured, and the safety guarantee is provided for traveling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.