KR101297077B1 - Electric vehicle capable of supplying electric energy, and method of supplying electric energy using the same - Google Patents

Abstract

The electric vehicle includes an electric energy generator, a converter, and a battery. The electrical energy generating unit generates electrical energy using natural energy and converts the generated electrical energy into direct current energy, and the converter converts electrical energy provided from the outside into direct current energy. The battery stores direct current energy provided from the electrical energy generator or direct current energy provided from the converter.

Description

Electric vehicle capable of supplying electric energy, and method of supplying electric energy using electric vehicle {Electric vehicle capable of supplying electric energy, and method of supplying electric energy using the same}

The present invention relates to an electric vehicle related technology, and more particularly, to an electric vehicle capable of supplying electric energy, and an electric energy supply method using the electric vehicle.

Electric vehicles (EVs) are vehicles that derive their driving energy from electrical energy, rather than from the burning of fossil fuels, like conventional vehicles.

In the case of an electric vehicle, there is no exhaust gas in the vehicle, and the noise is very small. Although electric cars were manufactured before gasoline cars, they have not been put to practical use due to the heavy weight of batteries and the time taken for charging.

Electric cars differ slightly from internal combustion engine cars, except that the engine is replaced by an electric motor. But the biggest problem is the battery, the source of energy. Lighter weight, smaller size, and shorter charging time are essential prerequisites for the practical use of electric vehicles.

The electric vehicle may be a form in which the internal combustion engine and fuel tank used in the existing internal combustion engine (ICEV) are replaced with a traction motor and a battery pack. However, the use of electric vehicles is limited due to the weight, low flexibility, and efficiency of the vehicle. An electric vehicle may consist of three parts: an electric motor system, an energy storage device, and an auxiliary device. The electric motor system may include a vehicle controller, a power electronic converter, an electric motor, a mechanical transmission, a driving wheel, and the like. The energy storage system may be composed of an energy source, an energy management system, and an energy resupply system, and the auxiliary device may be configured with a steering system, a heating system, an auxiliary power supply system, and the like. An example of an electric vehicle related to an electric vehicle capable of supplying electric energy of the present invention and including the electric motor and an energy storage system (battery) is Korean Utility Model Publication No. 20-0268814 (2002.3.7.) And It is disclosed in the Republic of Korea Patent Publication No. 10-2009-0076829 (2009.7.13.).

The technical problem to be solved by the present invention, mainly charging from the electric grid and secondary energy harvesting (harvesting) from nature (harvesting) stored in a battery built in an electric vehicle using this power anytime, anywhere, such as alternating energy or direct current energy The present invention provides an electric vehicle capable of supplying electric energy, and an electric energy supply method using the electric vehicle.

In order to achieve the above technical problem, an electric vehicle according to an embodiment of the present invention, the electrical energy generating unit for generating electrical energy using natural energy and converts the generated electrical energy into direct current energy; A converter for converting electrical energy provided from the outside into direct current energy; And it may include a battery for storing the direct current energy provided from the electrical energy generator or the direct current energy provided from the converter.

The converter may convert direct current energy stored in the battery to supply electrical energy to the outside.

The electrical energy generation unit, the micro wind power generation unit for generating the electrical energy by using the wind energy of the natural energy provided to the electric vehicle; A solar power generation unit generating the electric energy by using solar energy among the natural energy incident on the electric vehicle; A vibration generating unit generating the electrical energy by using vibration energy among the natural energy generated in the vehicle body of the electric vehicle when the electric vehicle is operated; A thermoelectric generator configured to generate the electrical energy using temperature difference energy among the natural energy existing between an upper portion of a vehicle body of the electric vehicle and a lower portion of the vehicle body of the electric vehicle; And a piezoelectric power generation unit configured to generate the electrical energy by using pressure energy among the natural energy according to the weight of the user who rides in the electric vehicle.

The micro wind power generation unit may include an air passage installed in the middle of the blade of the windmill of the windmill for wind power generation. The vibration generating unit may generate the electrical energy using vibration energy among the natural energy generated according to the movement of the user who rides on the electric vehicle.

The battery may have a vehicle body structure including a plurality of battery modules disposed in a vehicle body of the electric vehicle according to the shape of the vehicle body. The body structure of the battery may be a structure including a plurality of battery modules disposed in a lower portion, a front end portion, and a rear end portion of the inside of the vehicle body of the electric vehicle.

Each of the battery modules may include a switch that disconnects the battery module that has lost its function in the event of a crash of the electric vehicle from the battery modules connected in series. Each of the battery modules may be coated by an impact resistant material to mechanically withstand the crash of the electric vehicle. Each of the battery modules may include a protection circuit for preventing overcurrent or preventing overvoltage or overheating.

The electric vehicle includes a sensor unit including an illumination sensor for detecting a change in brightness of light incident on the electric vehicle; And a controller for adjusting the brightness of the interior light in the electric vehicle according to the brightness of the light detected by the illuminance sensor.

The sensor unit, a temperature sensor for detecting a temperature change inside the electric vehicle; And a sound sensor detecting a change in sound volume inside the electric vehicle, wherein the controller adjusts an operating time of the cooling and heating device of the electric vehicle according to the temperature change detected by the temperature sensor, The controller may adjust the sound volume of the audio device of the electric vehicle according to the change in the sound volume detected by the sound sensor.

The electric vehicle may further include a communication unit configured to receive location information of a place requiring electric energy stored in the battery or location information of a place where the electric vehicle can be charged.

In order to achieve the above technical problem, the electric energy supply method using an electric vehicle according to an embodiment of the present invention, (a) the electric energy generating unit included in the electric vehicle generates electric energy using natural energy and generating the Converting the generated electrical energy into direct current energy; (b) the converter of the electric vehicle converting electric energy provided from an external device into direct current energy; (c) storing the direct current energy provided by the battery of the electric vehicle or the direct current energy provided by the converter; And (d) the converter of the electric vehicle may include converting direct current energy stored in the battery and supplying electrical energy to the requested external device when a request for supplying electrical energy is received from an external device.

An electric vehicle capable of supplying electric energy according to the present invention, and an electric energy supply method using the electric vehicle mainly charge from an electric grid and supplementally harvest energy from nature, store it in a battery of an electric vehicle, and then store the electric power. Energy can be used to supply electrical energy, such as alternating current or direct current, anywhere, anytime.

Since the present invention can supply electric energy by using an electric vehicle, it is possible to supply energy to an electric device or an electronic device that needs to be charged through a power outlet attached to the electric vehicle of the present invention without having to establish a separate charging infrastructure. Can be.

In order to more fully understand the drawings used in the detailed description of the invention, a brief description of each drawing is provided.
1 is a block diagram illustrating an electric vehicle 100 according to an embodiment of the present invention.
2 is a diagram illustrating an electric vehicle 200 according to another embodiment of the present invention.
3 is a view for explaining the micro wind power generation unit shown in FIG.
4 is a view illustrating an electric energy supply method using an electric vehicle according to an embodiment of the present invention.
5A is a right side view of an electric vehicle 100 including a battery 124 having a vehicle body battery structure according to an embodiment of the present invention.
FIG. 5B is a diagram illustrating a structure in which the battery modules 305 of the vehicle body battery structure illustrated in FIG. 5A are disposed in the door 310 of the electric vehicle 100.

BRIEF DESCRIPTION OF THE DRAWINGS For a better understanding of the present invention and the objects attained by the practice of the invention, reference should be made to the accompanying drawings, which illustrate embodiments of the invention, and to the description in the accompanying drawings.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to embodiments of the present invention with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

1 is a block diagram illustrating an electric vehicle 100 according to an embodiment of the present invention.

Referring to FIG. 1, the electric vehicle 100 includes an electric energy generating unit 102, a converter 114, a sensor unit 120, a control unit 122, and a battery 124.

The electric vehicle 100 is a vehicle that replaces an internal combustion engine vehicle, a vehicle capable of dramatically reducing greenhouse gases, and is a smart car.

The electrical energy generator 102 generates electrical energy using natural energy (eg, solar energy, wind energy, thermal energy, or vibration energy, etc.) and supplies the generated electrical energy to the battery 124. The generated electrical energy may be direct current energy. The electrical energy generator 102 may generate a DC energy by including a converter (not shown) for converting AC energy into DC energy.

The electric energy generator 102 includes a micro wind power generator 104, a solar power generator 106, a vibration generator 108, a thermoelectric generator 110, and a piezoelectric generator 112.

The micro wind power generator 104 generates electrical energy using wind energy among natural energy provided to the electric vehicle 100 and supplies the generated electrical energy to the battery 124. The wind energy may be generated by wind when the electric vehicle 100 travels, or may be generated when the wind blows toward the electric vehicle 100 when the electric vehicle 100 is stopped. For example, the micro wind power generator 104 may be disposed (installed) on the upper end of the vehicle body of the electric vehicle 100.

The solar power generation unit 106 generates electrical energy using solar energy among natural energy incident on the electric vehicle 100 and supplies the generated electrical energy to the battery 124. The solar power generation unit 106 includes a solar panel including a plurality of solar cells for photovoltaic power generation (solar power generation), the solar panel is to be disposed on the upper body of the electric vehicle 100 (body) Can be.

The vibration generating unit 108 generates electric energy by using vibration energy among natural energy generated in the vehicle body of the electric vehicle 100 when the electric vehicle 100 operates, and converts the generated electric energy into the battery 124. Supply. In addition, the vibration generating unit 108 may generate electrical energy by using vibration energy among natural energy generated according to the movement of the user who rides on the electric vehicle 100, and may supply the generated electrical energy to the battery 124. have. The movement of the user may be, for example, the movement of the user in the driver's seat of the electric vehicle 100.

The thermoelectric generator 110 generates electrical energy by using temperature difference energy among natural energy existing between the upper part of the vehicle body of the electric vehicle 100 and the lower part of the vehicle body of the electric vehicle 100 and uses the generated electrical energy as a battery. To 124.

 The piezoelectric generator 112 generates electric energy by using pressure energy among natural energy according to the weight of a user who rides on the electric vehicle 100 (a driving chair of the electric vehicle 100), and generates the generated electric energy. The battery 124 is supplied.

The converter 114 includes an alternating current (AC) / direct current (DC) converter 116 and a DC / DC converter 118. The AC / DC converter 116 converts AC energy (AC power) provided from the outside into DC energy and provides the battery 124 or converts DC energy output from the battery 124 into AC energy to the outside. to provide. The DC / DC converter 118 converts DC energy provided from the outside into DC energy of a different size and provides the battery 124 or converts DC energy output from the battery 124 into DC energy of another size. To external devices. When the AC / DC converter 116 and the DC / DC converter 118 transfer electrical energy from the outside to the battery 124, the AC / DC converter 116 and the DC / DC converter 118 It can function as a converter (or an on-board charger). The type of on-board charger may be a quick charger or a slow charger. When the AC / DC converter 116 and the DC / DC converter 118 transfer electric energy from the battery 124 to the outside of the electric vehicle 100, the AC / DC converter 116 and the DC / DC The converter 118 may function as an inverter. That is, the converter 114 serves as a duplex converter.

The converter 114 uses the AC / DC converter 116 or the DC / DC converter 118 to supply power provided from an external (external device) with an appropriate DC voltage (for example, 12 ( volt)) and converts the direct current energy into a direct current energy and provides the converted direct current energy to the battery 124. The external device may be, for example, a power grid such as a smart grid, or another electric vehicle.

The converter 114 may convert the direct current energy stored in the battery 124 by using the AC / DC converter 116 or the DC / DC converter 118 to supply electrical energy to an external device in real time. The external device may be, for example, a power system, another electric vehicle, a small alternator, an alternating current motor, or a cookware requiring power.

When electrical energy is stored in the battery 124 through a power system (power grid), an outlet (outlet disposed in a public facility, a building, an amusement facility, or a park) of the power grid may be used.

The battery 124 stores the direct current energy provided from the electrical energy generator 102 or the direct current energy provided from the converter 114. Another embodiment of the battery 124 is a form (shape) of the vehicle body inside the vehicle body of the electric vehicle 100 (similar to the conformal tank structure for storing the fuel of the airplane on the wing of the airplane) It may have a vehicle body structure (car body battery structure) including a plurality of battery modules are distributed in accordance with the (shape). Another embodiment of battery 124 is shown in FIGS. 5A and 5B.

FIG. 5A is a right side view of an electric vehicle 100 including a battery 124 having a vehicle body battery structure according to an embodiment of the present invention, and FIG. 5B is a battery module 305 of the vehicle body battery structure shown in FIG. 5A. ) Is a view for explaining a structure that is disposed inside the door (right front door) 310 of the electric vehicle 100.

1, 5A, and 5B, the battery modules 305 included in the vehicle body battery structure inside the electric vehicle 100 may have an integrated structure connected in series with each other. The unitary structure may be located between a steel plate (upper layer) of the vehicle body of the electric vehicle 100 and a plastic body (inner layer) of the vehicle body.

Each of the battery modules 305 may be independently controlled by the controller 122 such that all of the battery modules do not explode or lose their function at the same time in the event of a collision of the electric vehicle 100. In more detail, each of the battery modules 305 may include, for example, unit battery modules connected in parallel to each other. On both ends of each of the unit battery modules, a switch for controlling an on operation and an off operation may be disposed by the controller 122. When a sensing means (not shown) of the electric vehicle 100 for sensing a collision accident in the event of a collision of the electric vehicle 100 provides a collision signal to the controller 122, the controller 122 is associated with the collision portion. It is possible to electrically protect other battery modules by switching off both ends of the unit battery module (damaged by a crash accident) to electrically disconnect the unit battery module from the battery module 305.

In another embodiment of the present invention, each of the battery modules 305 may include a switch that separates the battery module that has lost its function in the crash of the electric vehicle 100 from the battery modules connected in series. The operation of the switch is controlled by the controller 122, and the switch is disposed at both ends of the battery module, and performs a switching operation (switching operation) to a lead wire bypassing the battery module that has lost the function so that the normal battery modules are in series. Can be connected.

In addition, each of the battery modules 305 may be coated by an impact resistant material (eg, a plastic such as polycarbonate resin) to be able to withstand mechanically (physically) in the event of a crash. . As described above, the battery modules 305 themselves include electrical protection or mechanical (physical) protection.

In addition, each of the battery modules 305 may include a protection circuit for overcurrent protection, overvoltage protection, or overheating control controlled by a battery management system of the controller 122.

In another embodiment of the present invention, the vehicle body type battery structure of the battery 124 is distributed (formed) disposed in the lower portion, the front end, and the rear end inside the body of the electric vehicle 100 It may be a vehicle body structure including 305.

Therefore, the body type battery structure of the battery 124 has no limitation of the installation space by utilizing the entire electric vehicle body as compared to the method of concentrating the battery in a specific position (one place) such as the existing underbody or the trunk bottom. Relatively, the amount of electrical energy stored in a battery that can be installed in one vehicle can be increased. That is, the battery 124 may increase the amount of electric energy stored in the battery due to the increase in battery capacity due to the vehicle body type battery structure. As a result, the electric vehicle 100 may maximize its own vehicle range (driving distance), and may supply other electric devices (electronic devices) with a certain level or more of power.

Referring back to FIG. 1, the sensor unit 120 includes an illuminance sensor (not shown) that detects a change in brightness of light incident on the electric vehicle 100. The sensor unit 120 may further include a temperature sensor (not shown) for detecting a temperature change in the electric vehicle, and a sound sensor (not shown) for detecting a change in sound volume in the electric vehicle. .

The controller 122 adjusts the brightness of the interior light in the electric vehicle 100 according to the brightness of the light detected by the illuminance sensor, and the controller 122 controls the electric vehicle 100 according to the temperature change detected by the temperature sensor. ) And the operating time (on time or off time) of the heating device (for example, air conditioner), and the control unit 122 according to the sound volume change detected by the sound sensor. The sound level of the audio device (eg, a radio or a speaker) of the electric vehicle 100 may be adjusted. For example, the controller 122 determines that the brightness of the light detected by the illuminance sensor is relatively bright when the electric vehicle 100 is stopped and positioned under the street lamp, thereby lowering the brightness of the interior light of the electric vehicle 100. If the temperature detected by the temperature sensor is not a proper temperature previously stored in the controller 122, the controller 122 may cool or heat the cooling and heating device of the electric vehicle 100 so that the inside of the electric vehicle is a proper temperature. The operation time, such as time, may be adjusted, and the controller 122 may adjust the volume of the sound to be smaller when the volume of the sound detected by the sound sensor is relatively large and is not the size of the appropriate sound previously stored in the controller 122. .

Energy consumption used in the components of the electric vehicle 100 such as indoor lights, air conditioning and heating devices, and audio devices using the electric energy stored in the battery 122 by the sensor unit 120 and the control unit 122 described above. Can be reduced.

In addition, since components of the electric vehicle 100 such as the converter 114 are implemented with a low power semiconductor, the present invention may further reduce the electric energy consumption stored in the battery 124.

The electric vehicle 100 may further include a communication unit (not shown) that receives location information of a place requiring electric energy stored in the battery 124 or location information of a place where the electric vehicle 100 may be charged. have. The information received by the communication unit may be displayed to the user of the electric vehicle 100 by a human machine interface (HMI) device such as a navigation device or a dashboard of the electric vehicle under the control of the controller 122. Information received from the communication unit may be provided through a mobile terminal such as a smart phone owned by the owner (user) of the electric vehicle 100.

The controller 122 may control the overall operation of all components of the electric vehicle such as the electric energy generator 102. The controller 122 may include a battery management system (BMS) that controls a charging process of the battery 124.

As described above, the electric vehicle of the present invention charges from a power grid (power system) or the like or harvests energy from nature (sun, wind, heat or vibration, etc.) and stores it in a battery, and then stores the stored power. It can be used to supply electrical energy such as alternating energy or direct current energy anytime and anywhere.

In addition, the present invention can continuously maintain energy above a certain level by charging from a grid or the like, obtaining energy from nature, reducing energy consumption, or increasing energy storage space such as battery capacity. It can serve as a temporary storage means or a means of supplying electrical energy.

2 is a diagram illustrating an electric vehicle 200 according to another embodiment of the present invention.

Referring to FIG. 2, the electric vehicle 200 includes components similar to those included in the electric vehicle 100 illustrated in FIG. 1. Therefore, the description of the configuration and operation of the components of the electric vehicle 200 may refer to the description of the configuration and operation of the electric vehicle of FIG. However, the electric vehicle 200 may further include an integrated safety system for safety management of the electric vehicle, such as a collision prevention system, and a blind spot alarm system that helps the driver of the electric vehicle 200 to see a difficult part. Can be.

3 is a view for explaining the micro wind power generation unit shown in FIG.

Referring to FIG. 3, the micro wind turbine includes the air passage shown in FIG. 3. For example, a blade (not shown) of a windmill (wind turbine) in the form of a windmill for wind power generation may be installed in the middle of the air passage marked “S”. If used, the efficiency of converting wind energy into electrical energy can be relatively higher than if other types of windmill wings are used.

According to Betz's law, the power generated by the windmill blades in the middle of the air passage marked “S” is (16/27) * 1/2 * (air density) * (in the middle) The cross-sectional area (area) * (wind speed) ^ 3.

4 is a view illustrating an electric energy supply method using an electric vehicle according to an embodiment of the present invention.

Referring to FIG. 4, the electric energy supply method using the electric vehicle may be performed by using the electric vehicle 100 of FIG. 1 or the electric vehicle 200 of FIG. 2.

The electric vehicle 100 may exchange electric power with utility power. That is, the electric vehicle 100 may charge DC energy in a built-in battery by receiving and converting AC energy from a power system, and the electric vehicle 100 converts DC energy stored in the battery into AC energy. Can be converted and provided to the power system (utility).

The electric vehicle 100 may exchange electric energy with a building management system (or building energy management system) or home energy management system (HEMS). For example, the electric vehicle 100 may charge DC energy to a battery by receiving and converting AC energy (energy by an AC generator of a building or a house) from a building management system or a home energy management system. The electric vehicle 100 converts the DC energy stored in the battery into DC energy of a different size so that the building management system (BMS) or the home energy management system (HEMS) (for example, a DC energy storage device disposed in a building or a house). Can be provided to

The electric vehicle 100 may exchange electrical energy with a driver such as a mobile phone or a cookware that operates with electrical energy. For example, the electric vehicle 100 may convert DC energy stored in a battery into DC energy having a different size to provide DC energy suitable for a driver.

In addition, the communication unit of the electric vehicle 100 may charge the electric vehicle 100 or location information of a place requiring electric energy stored in a battery through a driver such as a driver through a wired or wireless network. Receive location information of a place. The driver may be a device of an electric consumer who needs electric energy stored in a battery of the electric vehicle 100. The location information of the place where the electric vehicle 100 can be charged is a communication means included in a utility system, or a communication means included in a building management system (BMS) or a home energy management system (HEMS), or other electricity. It may be provided by a communication means included in the vehicle EV.

The information transmitted to the communication unit of the electric vehicle 100 may be implemented by information and communication technology (ICT). Information and communication technology is a combination of information technology and communication technology, and software (S / W) technology necessary for hardware, operation, or information management of information equipment and information collection, production, processing, preservation, and transmission using these technologies. It is a convergence technique for collecting, processing and re-creating the necessary data as any means of use.

The electric vehicle 100 may exchange electrical energy with another electric vehicle EV through, for example, a Society of Automotive Engineers (SAE) J1772 connector. For example, the electric vehicle 100 may convert DC energy stored in a battery into DC energy having a different size to provide DC energy suitable for other electric vehicles.

The electric vehicle 100 may provide the information management server (backend facility) with the charge amount information of the electric vehicle 100 or the electric energy supply amount information of the electric vehicle 100 through the communication unit. The information management server (backend) may provide the electric vehicle 100 with price information information based on the charge amount information of the electric vehicle 100 or the electric energy supply amount information of the electric vehicle 100. The information management server may be a server deployed at a power exchange or a power company.

The information management server (backend) transfer or amount of money according to the information in the user account by interworking with a server that manages the user's account installed in the commercial interests, etc. that the user of the electric vehicle 100 subscribed to The withdrawal and withdrawal of the electric vehicle 100 may be performed through authentication of the user of the electric vehicle 100.

Communication for exchanging charging information between an electric vehicle 100 and an energy supply object such as a utility system may include a kiosk equipped with a light emitting diode (LED), a wireless means, and a Wi-Fi ( It may be performed through a charging infrastructure interface means such as WiFi, General Packet Radio Service (GPRS), Zigbee, Ethernet, or Transmission Control Protocol / Internet Protocol (TCP / IP).

As described above, the electric vehicle 100 may serve as an intermediary device for delivering electrical energy and thus may correspond to a cloud server of cloud computing. That is, the electric vehicle 100 may be referred to as a cloud distributed power supply or a cloud type next generation electric vehicle. Cloud computing is an internet-based computing technology. It is a web-based software service that puts a program in a utility data server on the Internet and loads it into a computer or a mobile phone at that time. Users can easily access services from the Internet without the expertise of the supporting technology infrastructure. That is, the present invention may be a technology for applying the cloud concept of the IT field to the power field.

Referring to FIGS. 1, 2, and 4, an electric energy supply method using an electric vehicle may be described as follows. In the electric energy supply method, the electric energy generator of the electric vehicle generates electric energy using natural energy (solar energy, wind energy, heat energy, or vibration energy, etc.) and converts the generated electric energy into direct current energy, A converter of the electric vehicle converts electrical energy provided from an external device (for example, a power system) into direct current energy, and a battery of the electric vehicle converts direct current energy provided from an electrical energy generator or direct current energy provided from a converter. Storing, and the converter of the electric vehicle converts the DC energy stored in the battery to supply the electric energy to the requested external device when there is a request for supply of the electric energy from an external device (for example, another electric vehicle). It may include a step. Therefore, the electric vehicle 100 may store the electric energy using natural energy that may exist around the electric vehicle, and thus may continuously supply the electric device with a predetermined level or more.

The electric energy supply method may include detecting a change in brightness of light incident on an electric vehicle by an illuminance sensor of the electric vehicle, detecting a temperature change inside the electric vehicle by a temperature sensor of the electric vehicle, Detecting a change in sound volume inside the electric vehicle, controlling the brightness of an interior light in the electric vehicle according to the brightness of the light detected by the illuminance sensor, and controlling the electric vehicle to the temperature sensor Adjusting the operating time of the cooling and heating apparatus of the electric vehicle according to the detected temperature change, and the controller of the electric vehicle adjusting the sound volume of the audio device of the electric vehicle according to the change of the sound volume detected by the sound sensor. It may further comprise the step of adjusting. According to the information sensed by the sensor, such as the illumination sensor, the controller may control the operation method such as the operation time of the internal device of the electric vehicle, thereby reducing the energy consumed in the electric vehicle 100. As a result, the electric vehicle 100 may reduce energy stored in the battery, and thus may supply a certain level of energy to the external device of the electric vehicle 100.

As described above, the embodiments have been disclosed in the drawings and specification. Although specific terms are used herein, they are used for the purpose of describing the present invention only and are not used to limit the scope of the present invention described in the claims or the claims. Therefore, it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible from the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

102: electric energy generating unit
104: micro wind turbine
106: solar power generation department
108: vibration generating unit
110: thermoelectric generator
112: piezoelectric generator
114: converter
116: AC / DC converter
118: DC / DC converter
120:
124: battery
305: battery module

Claims (14)

In the electric vehicle,
An electrical energy generator for generating electrical energy using natural energy and converting the generated electrical energy into direct current energy;
A converter for converting electrical energy provided from the outside into direct current energy; And
It includes a battery for storing the direct current energy provided from the electrical energy generator or the direct current energy provided from the converter,
The electric energy generating unit,
Micro wind power generation unit for generating the electrical energy by using the wind energy of the natural energy provided to the electric vehicle;
A solar power generation unit generating the electric energy by using solar energy among the natural energy incident on the electric vehicle;
A vibration generating unit generating the electrical energy by using vibration energy among the natural energy generated in the vehicle body of the electric vehicle when the electric vehicle is operated;
A thermoelectric generator configured to generate the electrical energy using temperature difference energy among the natural energy existing between an upper portion of a vehicle body of the electric vehicle and a lower portion of the vehicle body of the electric vehicle; And
And a piezoelectric power generation unit configured to generate the electric energy by using pressure energy among the natural energy according to the weight of the user who rides in the electric vehicle. The method of claim 1,
The converter converts the DC energy stored in the battery to supply electric energy to the outside. delete The method of claim 1, wherein the micro wind power generation unit,
An electric vehicle that includes an air passage in the middle of a wing of a windmill in the form of a watermill for wind power generation. The method of claim 1,
The vibration generation unit generates the electric energy by using the vibration energy of the natural energy generated in accordance with the movement of the user in the electric vehicle. The method of claim 1,
The battery has an electric vehicle having a vehicle body structure including a plurality of battery modules are disposed in the vehicle body of the electric vehicle in accordance with the shape of the vehicle body. The method according to claim 6,
The vehicle body structure of the battery is a structure that includes a plurality of battery modules disposed in a lower portion, a front end, and a rear end inside the vehicle body of the electric vehicle. The method according to claim 6,
Each of the battery modules includes a switch that disconnects the battery module that has lost its function in the event of a crash of the electric vehicle from the battery modules connected in series. The method according to claim 6,
Each of the battery modules is coated with a material resistant to impact so as to mechanically withstand the crash of the electric vehicle. The method according to claim 6,
Each of the battery modules includes a protection circuit for preventing overcurrent or preventing overvoltage or overheating. The method of claim 1, wherein the electric vehicle,
A sensor unit including an illumination sensor for detecting a change in brightness of light incident on the electric vehicle; And
The electric vehicle further comprises a control unit for adjusting the brightness of the interior light in the electric vehicle according to the brightness of the light sensed by the illumination sensor. The method of claim 11, wherein the sensor unit,
A temperature sensor detecting a temperature change in the electric vehicle; And
Further comprising a sound sensor for detecting a change in the sound volume inside the electric vehicle,
The controller adjusts an operation time of the cooling and heating device of the electric vehicle according to the temperature change detected by the temperature sensor, and the controller controls the audio device of the electric vehicle according to the change of sound volume detected by the sound sensor. An electric car to resize the sound. The method of claim 1,
The electric vehicle further includes a communication unit configured to receive location information of a location requiring electric energy stored in the battery or location information of a place where the electric vehicle can be charged. In the electric energy supply method using an electric vehicle,
(a) an electric energy generating unit included in the electric vehicle generates electric energy using natural energy and converts the generated electric energy into direct current energy;
(b) the converter of the electric vehicle converting electric energy provided from an external device into direct current energy;
(c) storing the direct current energy provided by the battery of the electric vehicle or the direct current energy provided by the converter; And
(d) the converter of the electric vehicle includes converting direct current energy stored in the battery and supplying electric energy to the requested external device when a request for supply of electric energy from an external device is requested;
The electric energy generating unit,
Micro wind power generation unit for generating the electrical energy by using the wind energy of the natural energy provided to the electric vehicle;
A solar power generation unit generating the electric energy by using solar energy among the natural energy incident on the electric vehicle;
A vibration generating unit generating the electrical energy by using vibration energy among the natural energy generated in the vehicle body of the electric vehicle when the electric vehicle is operated;
A thermoelectric generator configured to generate the electrical energy using temperature difference energy among the natural energy existing between an upper portion of a vehicle body of the electric vehicle and a lower portion of the vehicle body of the electric vehicle; And
And a piezoelectric power generation unit configured to generate the electric energy by using pressure energy among the natural energy according to the weight of the user who rides in the electric vehicle.

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