WO2022092634A1 - Electric vehicle having magnetic levitation suspension - Google Patents

Electric vehicle having magnetic levitation suspension Download PDF

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Publication number
WO2022092634A1
WO2022092634A1 PCT/KR2021/014219 KR2021014219W WO2022092634A1 WO 2022092634 A1 WO2022092634 A1 WO 2022092634A1 KR 2021014219 W KR2021014219 W KR 2021014219W WO 2022092634 A1 WO2022092634 A1 WO 2022092634A1
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WO
WIPO (PCT)
Prior art keywords
floating body
main body
power
electric vehicle
suspension
Prior art date
Application number
PCT/KR2021/014219
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French (fr)
Korean (ko)
Inventor
김태영
Original Assignee
주식회사 탑에프티
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Publication of WO2022092634A1 publication Critical patent/WO2022092634A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/04—Magnetic suspension or levitation for vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to an electric vehicle equipped with a magnetic levitation suspension, and more particularly, a suspension device for damping road surface vibrations when the vehicle is driven is configured such that the floating body is magnetically levitated on the upper part of the main body, so that it is light and compact, so that the mileage, etc. It relates to an electric vehicle equipped with a magnetic levitation suspension which has the advantage of improving the performance of the electric vehicle.
  • a steering device or a suspension device is used in a manner similar to that of an existing engine-driven vehicle, and the suspension device used in a general vehicle is a ride It is composed of a spring that maintains height; ground clearance and resists a sudden shock, and a shock absorber for damping the vibration of the spring.
  • a suspension device used in a general vehicle has a complex structure, requires a relatively wide mounting space, and is heavy because it uses a spring and a shock absorber.
  • Korean Patent Laid-Open No. 10-2005-0009017 Jan. 24, 2005, vehicle suspension and vehicle body behavior control method using electromagnetic effect
  • Korean Patent No. 10-1004511 Jan. 24, 2005, vehicle suspension and vehicle body behavior control method using electromagnetic effect
  • Korean Patent No. 10-1004511 December 21, 2010, magnetic suspension system
  • the suspension using the magnetic force has been developed to have a structure suitable for an existing conventional vehicle, so it is difficult to apply it to an electric vehicle as it is, and there is a limit in improving the performance of the electric vehicle by application.
  • the present invention has been devised in recognition of the above points, and an object of the present invention is to provide a suspension device for damping road surface vibrations when a vehicle is driven so that the floating body is magnetically levitated on the upper part of the main body, thereby making it lightweight and compact, such as mileage, etc.
  • An object of the present invention is to provide an electric vehicle equipped with a magnetic levitation suspension that has an advantage in improving the performance of the electric vehicle.
  • an electric vehicle equipped with a maglev suspension includes a main body that travels on a road surface by driving wheels driven by a driving motor driven by electric power, and is located on the upper part of the main body Magnetism composed of a floating body, a guide body for guiding the vertical movement of the floating body, and a pair of floating magnets mounted at opposite positions of the main body and the floating body to form a magnetic force that repels each other It is characterized in that a floating suspension is included.
  • the levitation magnet is an electromagnet that is activated by receiving power, blocks power supply to the electromagnet when the vehicle is stopped, and supplies power to the electromagnet when the vehicle is running It is characterized in that it further includes a control unit for controlling to be made.
  • control unit controls the power supplied to the electromagnet to adjust the magnitude of the repulsive force generated by the electromagnet.
  • the electric vehicle equipped with a magnetic levitation suspension includes a floating body rechargeable battery for charging electric power to the floating body and supplying power to an electric device including an electromagnet mounted on the floating body, and the floating body charging station
  • a floating body charging unit for controlling the charging of the body is provided, and a wireless power transmission/reception means for wirelessly transmitting power is provided at a position where the main body and the floating body face each other, and the floating body charging unit is provided from the main body through the wireless power transmission/reception means. It is characterized in that receiving power to control the charging of the floating body rechargeable battery.
  • the main body is provided with a steering drive device
  • the floating body is provided with a manipulation unit for controlling the operation of the drive motor and the steering drive device
  • the manipulation unit The manipulation signal is wirelessly transmitted to the steering driving device and the driving motor of the main body.
  • the suspension device for damping road surface vibration when the vehicle is driven is configured such that the floating body is magnetically levitated on the upper part of the main body, so that it is light and compact, such as a mileage, etc. It has the advantage of improving the performance of an electric vehicle.
  • the electric vehicle equipped with the magnetic levitation suspension according to the present invention can use an electric driving platform for passenger and commercial, military, and special electric vehicles, as well as a transportation vehicle and AGV (unmanned vehicle) for goods requiring vibration-free transportation. It has the advantage that it can be used as an electric driving platform for mobility for sports and leisure.
  • AGV unmanned vehicle
  • FIG. 1 is a cross-sectional view conceptually illustrating an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention
  • FIG. 2 is a block diagram illustrating the configuration of an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention
  • FIG. 1 is a cross-sectional view conceptually illustrating an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention
  • FIG. 2 shows the configuration of an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention. It is one block diagram.
  • a maglev suspension 40 which is a suspension device for damping road surface vibrations during driving, is between a main body 10 and a levitation body 30 positioned on the top of the body 10 traveling on the road surface. It has a structure interposed in and mounted on.
  • an electric vehicle equipped with a magnetic levitation suspension includes a main body 10 , a floating body 20 , a guide body 30 , and a magnetically levitated suspension 40 .
  • the main body 10 is a configuration provided with components necessary for driving a vehicle, such as a driving wheel 12 for driving together with a chassis constituting the vehicle body, and a steering drive device (not shown in the drawing) together with a driving motor.
  • a driving wheel 12 for driving together with a chassis constituting the vehicle body
  • a steering drive device (not shown in the drawing) together with a driving motor.
  • the main body 10 is equipped with a driving wheel 12 and the driving wheel 12 is driven by a driving motor driven by electric power.
  • the main body 10 is provided with a main body rechargeable battery 11 that is charged with electric power required for driving the vehicle, and the main body rechargeable battery 11 is preferably mounted on the bottom of the main body 11 so as to lower the center of gravity.
  • the main body 10 has a power supply unit for receiving power from the outside, a main body rechargeable battery 11 for charging power supplied through the power supply unit, and power supplied through the power supply unit or the main body rechargeable battery A wireless power transmission and reception means for wirelessly transmitting the power charged in (11) to the floating body;
  • the guide body 20 is configured to guide the vertical movement of the floating body 30 .
  • the floating body 30 is supported by the guide body 20 so that it is possible to move relative to the body 10 in the vertical direction without being separated from the body 10 .
  • the guide body 20 is mounted to surround both sides of the main body 10 and the floating body 20 so that the floating body 20 is not separated to the outside of the guide body 30 and the movement in the vertical direction is guided.
  • An embodiment configured to be so is shown, and the main body 10 and the floating body 30 are separated from each other by the guide body 20 so that the relative movement up and down is possible, and the running is made integrally.
  • the floating body 30 is configured to form a space in which a person boards or an object is loaded, and the floating body 30 is positioned on the upper portion of the main body and is supported by the magnetically levitated suspension 40 .
  • the impact applied to the main body 10 due to the driving of the vehicle is not directly transmitted to the floating body 30 levitated by magnetic force, but is buffered and transmitted.
  • the magnetically levitated suspension 40 allows the floating body 30 to float on the upper part of the main body 10 , and the vibration applied to the main body 10 in the floating state is buffered and transmitted to the floating body 30 . This is to prevent this from happening.
  • the magnetically levitated suspension 40 is provided with a pair of levitating magnets 41 and 42 mounted at opposite positions of the main body 10 and the floating body 30 to form a magnetic force that repels each other. do. Referring to the drawings, the body-side magnet 41 is mounted on the main body 10, and the floating body-side magnet 42 is mounted on the floating body 30 at the opposite position by the repulsive force generated therebetween. The floating body 30 is floated upward.
  • the floating magnets 41 and 42 may be formed of permanent magnets, but in the present invention, the floating body 30 is levitated so that the buffer is made only during driving, and the floating body 30 is not levitated when the vehicle is stopped. It may be composed of an electromagnet capable of changing or controlling the magnetic force so as to be seated on the body 10 without it.
  • the floating magnets 41 and 42 are configured as electromagnets that are activated by receiving power
  • the electric power supply to the electromagnet is cut off when the vehicle is stopped by the floating body side control unit and the main body side control unit, and to the electromagnet when the vehicle is running. Control is made so that the power supply is made.
  • the floating body-side control unit provided in the floating body 30 and the main body-side control unit provided in the main body 10 control the power supplied to the electromagnet to adjust the magnitude of the repulsive force generated by the electromagnet.
  • the height of the floating body 30 can be adjusted.
  • the floating body 30 is charged with electric power and a floating body charging battery for supplying power to other electric devices including the floating body side electromagnet mounted on the floating body, and a floating body charging unit for controlling charging to the floating body rechargeable battery and a wireless power transmitting/receiving unit for wirelessly transmitting power to a position facing each other with the wireless power transmitting/receiving unit provided in the main body.
  • the floating body charging unit receives the power transmitted from the wireless power transmission and reception means of the main body through the wireless power transmission and reception means to control the charging of the floating body rechargeable battery.
  • the main body 10 is equipped with a device necessary for driving a vehicle, such as a driving motor or a steering drive device. This is done by an operator who controls the driving of the vehicle from the outside. Accordingly, a manipulation unit for performing a signal or command and a manipulation operation for controlling a device provided in the main body 10 for driving a vehicle is provided in the floating body 30 or is provided in an external manipulation device.
  • the signal or command input by such a manipulation unit must be transmitted to the device provided in the main body 10, and as described above, the floating body 20 is in a floating state on the upper part of the main body 10, so the present invention provides the It is characterized in that the signal or command input by the manipulation unit is configured to be wirelessly transmitted to the device provided in the main body (10).
  • the electric vehicle equipped with the magnetic levitation suspension of the present invention having the above configuration has a suspension device for damping road surface vibration when the vehicle is driven so that the floating body is magnetically levitated on the upper portion of the main body, so that the electric vehicle is light and compact. It is a very useful invention in the industry that has the advantage of improving the performance of

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Vehicle Body Suspensions (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)

Abstract

The present invention relates to an electric vehicle having a magnetic levitation suspension and, more particularly, to an electric vehicle having a magnetic levitation suspension, in which a suspension device for damping road surface vibration during the driving of the vehicle is configured such that a floating body is magnetically levitated on an upper part of a main body, such that the electric vehicle has the advantage of improving the performance thereof, such as driving distance, because the suspension device is light and compact.

Description

자기 부상 서스펜션이 구비된 전기 차량Electric vehicle with maglev suspension
본 발명은 자기 부상 서스펜션이 구비된 전기 차량에 관한 것으로, 보다 상세하게는 차량의 주행시 노면 진동을 감쇄하기 위한 서스펜션 장치가 본체의 상부에 부상체가 자기에 의해 부상되도록 구성됨으로써 가볍고 컴팩트하여 주행거리 등 전기 차량의 성능 개선에 유리한 장점을 갖는 자기 부상 서스펜션이 구비된 전기 차량에 관한 것이다.The present invention relates to an electric vehicle equipped with a magnetic levitation suspension, and more particularly, a suspension device for damping road surface vibrations when the vehicle is driven is configured such that the floating body is magnetically levitated on the upper part of the main body, so that it is light and compact, so that the mileage, etc. It relates to an electric vehicle equipped with a magnetic levitation suspension which has the advantage of improving the performance of the electric vehicle.
최근에는 자동차 또는 차량의 배기가스로 인한 환경오염문제, 화석연료의 고갈 등에 기인하여 자동차 또는 차량의 동력원으로 구동모터를 이용하는 전기차량의 이용이 늘고 있다.Recently, the use of electric vehicles using a driving motor as a power source for automobiles or vehicles is increasing due to environmental pollution problems caused by exhaust gases of automobiles or vehicles, depletion of fossil fuels, and the like.
이러한 전기 차량 구동을 위한 동력원으로 구동모터를 이용하는 점을 제외하고는 조향 장치나 서스펜션 장치 등은 기존 엔진 구동 차량의 시스템과 거의 유사한 방식으로 이용되고 있는데, 일반적인 차량에 이용되는 서스펜션 장치는 차고(ride height; ground clearance)를 유지시키며 급격한 충격에 저항하는 스프링(spring), 그리고 상기 스프링 진동의 감쇠를 위한 충격 흡수기(shock absorber) 등으로 구성된다.Except for using a driving motor as a power source for driving such an electric vehicle, a steering device or a suspension device is used in a manner similar to that of an existing engine-driven vehicle, and the suspension device used in a general vehicle is a ride It is composed of a spring that maintains height; ground clearance and resists a sudden shock, and a shock absorber for damping the vibration of the spring.
그런데, 일반적인 차량에 이용되는 서스펜션 장치는 상술한 바와 같이 스프링과 충격 흡수기 등이 이용되는 구조여서 구조가 복잡하고 비교적 넓은 장착공간을 필요로 하며, 중량이 무겁다.However, as described above, a suspension device used in a general vehicle has a complex structure, requires a relatively wide mounting space, and is heavy because it uses a spring and a shock absorber.
전기 차량에서는 일정한 충전에 의한 충분한 차량의 주행거리를 확보하는 것이 필요한데 무게가 무거운 기존의 서스펜션 장치는 전기 차량의 성능에 부정적인 영향을 미친다.In an electric vehicle, it is necessary to secure a sufficient mileage of the vehicle by constant charging, and the conventional suspension system with a heavy weight negatively affects the performance of the electric vehicle.
또한, 최근 전기 차량은 퍼스널 모빌리티나 운반용 로봇 등과 같이 소형화되는 추세인데, 기존의 서스펜션 장치는 넓은 장착 공간을 차지하기 때문에 전기 차량의 소형화에 불리할 뿐만 아니라 복잡한 구조로 인하여 고장이 잦고 유지 보수가 어려운 단점을 갖는다.Also, in recent years, electric vehicles are being miniaturized, such as personal mobility or transport robots, and the conventional suspension device occupies a large mounting space, which is not only disadvantageous to miniaturization of electric vehicles, but also has frequent breakdowns and difficult maintenance due to its complex structure. It has disadvantages.
한편, 대한민국 공개특허 제10-2005-0009017호(2005.01.24, 전자기 효과를 이용한 차량용 서스펜션 및 차체 거동제어방법) 및 대한민국 등록특허 제10-1004511호(2010.12.21, 자기 서스펜션 시스템)에는 전통적인 서스펜션 장치와는 달리 자석의 자기를 이용하여 차량에 가해지는 충격을 완충시키는 자기력 이용 서스펜션에 관한 기술이 개시되어 있다.On the other hand, Korean Patent Laid-Open No. 10-2005-0009017 (Jan. 24, 2005, vehicle suspension and vehicle body behavior control method using electromagnetic effect) and Korean Patent No. 10-1004511 (December 21, 2010, magnetic suspension system) have traditional suspension Unlike the device, a technology related to a suspension using magnetic force that cushions an impact applied to a vehicle using the magnetism of a magnet is disclosed.
그러나, 상기의 자기력을 이용한 서스펜션은 기존의 전통적인 차량에 적합한 구조로 개발되어 전기 차량에 그대로 적용시키기 어려울 뿐만 아니라 적용에 의한 전기 차량의 성능을 향상시키는 데에는 한계가 있다.However, the suspension using the magnetic force has been developed to have a structure suitable for an existing conventional vehicle, so it is difficult to apply it to an electric vehicle as it is, and there is a limit in improving the performance of the electric vehicle by application.
본 발명은 상기와 같은 점을 인식하여 안출된 것으로, 본 발명의 목적은 차량의 주행시 노면 진동을 감쇄하기 위한 서스펜션 장치가 본체의 상부에 부상체가 자기에 의해 부상되도록 구성됨으로써 가볍고 컴팩트하여 주행거리 등 전기 차량의 성능 개선에 유리한 장점을 갖는 자기 부상 서스펜션이 구비된 전기 차량을 제공하기 위한 것이다.The present invention has been devised in recognition of the above points, and an object of the present invention is to provide a suspension device for damping road surface vibrations when a vehicle is driven so that the floating body is magnetically levitated on the upper part of the main body, thereby making it lightweight and compact, such as mileage, etc. An object of the present invention is to provide an electric vehicle equipped with a magnetic levitation suspension that has an advantage in improving the performance of the electric vehicle.
상기와 같은 목적을 달성하기 위하여 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은, 전력에 의해 구동되는 구동 모터에 의해 구동되는 구동 바퀴에 의해 노면을 주행하는 본체와, 상기 본체의 상부에 위치된 부상체와, 상기 부상체의 상하 운동을 가이드하기 위한 가이드체과, 서로 척력으로 밀치는 자력을 형성하도록 상기 본체와 부상체의 마주보는 위치 각각에 장착된 한 쌍의 부상 자석이 구비되어 구성된 자기 부상 서스펜션이 포함된 것을 특징으로 한다.In order to achieve the above object, an electric vehicle equipped with a maglev suspension according to the present invention includes a main body that travels on a road surface by driving wheels driven by a driving motor driven by electric power, and is located on the upper part of the main body Magnetism composed of a floating body, a guide body for guiding the vertical movement of the floating body, and a pair of floating magnets mounted at opposite positions of the main body and the floating body to form a magnetic force that repels each other It is characterized in that a floating suspension is included.
또한, 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은, 상기 부상 자석은 전력을 공급받아 활성화되는 전자석이고, 차량의 정차시 전자석으로의 전력 공급을 차단하고 차량의 주행시 전자석으로의 전력 공급을 이루어지도록 제어하는 제어부가 더 포함된 것을 특징으로 한다.In addition, in the electric vehicle equipped with the magnetic levitation suspension according to the present invention, the levitation magnet is an electromagnet that is activated by receiving power, blocks power supply to the electromagnet when the vehicle is stopped, and supplies power to the electromagnet when the vehicle is running It is characterized in that it further includes a control unit for controlling to be made.
또한, 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은, 상기 제어부는 상기 전자석에 의해 발생되는 척력의 크기를 조절하도록 상기 전자석으로 공급되는 전력을 제어하는 것을 특징으로 한다.In addition, in the electric vehicle equipped with the magnetic levitation suspension according to the present invention, the control unit controls the power supplied to the electromagnet to adjust the magnitude of the repulsive force generated by the electromagnet.
또한, 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은, 상기 부상체에는 전력을 충전하여 상기 부상체에 장착된 전자석을 포함한 전기 장치에 전력을 공급하는 부상체 충전지와, 상기 부상체 충전지로의 충전을 제어하는 부상체 충전부가 구비되고, 상기 본체와 부상체가 서로 마주 보는 위치에는 전력을 무선으로 전송하는 무선 전력 송수신 수단이 구비되며, 상기 부상체 충전부는 무선 전력 송수신 수단을 통하여 상기 본체로부터 전력을 공급받아 상기 부상체 충전지의 충전을 제어하는 것을 특징으로 한다.In addition, the electric vehicle equipped with a magnetic levitation suspension according to the present invention includes a floating body rechargeable battery for charging electric power to the floating body and supplying power to an electric device including an electromagnet mounted on the floating body, and the floating body charging station A floating body charging unit for controlling the charging of the body is provided, and a wireless power transmission/reception means for wirelessly transmitting power is provided at a position where the main body and the floating body face each other, and the floating body charging unit is provided from the main body through the wireless power transmission/reception means. It is characterized in that receiving power to control the charging of the floating body rechargeable battery.
또한, 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은, 상기 본체에는 조향 구동 장치가 구비되고, 상기 부상체에는 상기 구동 모터 및 조향 구동 장치의 작동을 제어하는 조작부가 구비되며, 상기 조작부의 조작 신호는 상기 본체의 조향 구동 장치와 구동 모터로 무선으로 전송되는 것을 특징으로 한다.In addition, in the electric vehicle equipped with the magnetic levitation suspension according to the present invention, the main body is provided with a steering drive device, the floating body is provided with a manipulation unit for controlling the operation of the drive motor and the steering drive device, and the manipulation unit The manipulation signal is wirelessly transmitted to the steering driving device and the driving motor of the main body.
상기와 같은 구성에 의하여 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은 차량의 주행시 노면 진동을 감쇄하기 위한 서스펜션 장치가 본체의 상부에 부상체가 자기에 의해 부상되도록 구성됨으로써 가볍고 컴팩트하여 주행거리 등 전기 차량의 성능 개선에 유리한 장점을 갖는다.In the electric vehicle equipped with the magnetic levitation suspension according to the present invention by the above configuration, the suspension device for damping road surface vibration when the vehicle is driven is configured such that the floating body is magnetically levitated on the upper part of the main body, so that it is light and compact, such as a mileage, etc. It has the advantage of improving the performance of an electric vehicle.
특히, 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은 승용 및 상용, 군수용, 특수 전기 차량을 위한 전기 구동 플랫폼을 이용이 가능할 뿐만 아니라 무진동 운반이 필요한 물건의 운송차량 및 AGV(무인운반차)나 스포츠 및 레저용 모빌리티의 전기 구동 플랫폼으로의 활용이 가능한 장점을 갖는다.In particular, the electric vehicle equipped with the magnetic levitation suspension according to the present invention can use an electric driving platform for passenger and commercial, military, and special electric vehicles, as well as a transportation vehicle and AGV (unmanned vehicle) for goods requiring vibration-free transportation. It has the advantage that it can be used as an electric driving platform for mobility for sports and leisure.
도 1은 본 발명의 일실시예에 따른 자기 부상 서스펜션이 구비된 전기 차량을 개념적으로 도시한 단면도1 is a cross-sectional view conceptually illustrating an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention;
도 2는 본 발명의 일실시예에 따른 자기 부상 서스펜션이 구비된 전기 차량의 구성을 도시한 블럭도2 is a block diagram illustrating the configuration of an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention;
<부호의 설명><Explanation of code>
10 본체10 body
11 본체 충전지 11 Rechargeable battery
12 구동 바퀴 12 drive wheels
20 가이드체20 guide body
30 부상체30 floating body
40 자기 부상 서스펜션40 Maglev Suspension
41 본체측 자석 41 Main body side magnet
42 부상체측 자석 42 Floating body side magnet
이하에서는 도면에 도시된 실시예를 참조하여 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량을 보다 상세하게 설명하기로 한다.Hereinafter, an electric vehicle equipped with a magnetic levitation suspension according to the present invention will be described in more detail with reference to the embodiments shown in the drawings.
도 1은 본 발명의 일실시예에 따른 자기 부상 서스펜션이 구비된 전기 차량을 개념적으로 도시한 단면도이고, 도 2는 본 발명의 일실시예에 따른 자기 부상 서스펜션이 구비된 전기 차량의 구성을 도시한 블럭도이다.1 is a cross-sectional view conceptually illustrating an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention, and FIG. 2 shows the configuration of an electric vehicle equipped with a magnetic levitation suspension according to an embodiment of the present invention. It is one block diagram.
본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은 주행시 노면 진동을 감쇄하기 위한 서스펜션 장치인 자기 부상 서스펜션(40)이 노면을 주행하는 본체(10)와 그 상부에 위치된 부상체(30) 사이에 개재되어 장착된 구조를 갖는다.In an electric vehicle equipped with a maglev suspension according to the present invention, a maglev suspension 40, which is a suspension device for damping road surface vibrations during driving, is between a main body 10 and a levitation body 30 positioned on the top of the body 10 traveling on the road surface. It has a structure interposed in and mounted on.
도면을 참조하면, 본 발명에 따른 자기 부상 서스펜션이 구비된 전기 차량은 본체(10), 부상체(20), 가이드체(30) 및 자기 부상 서스펜션(40)이 포함되어 구성된다.Referring to the drawings, an electric vehicle equipped with a magnetic levitation suspension according to the present invention includes a main body 10 , a floating body 20 , a guide body 30 , and a magnetically levitated suspension 40 .
상기 본체(10)는 차체를 구성하는 차대와 함께 주행을 위한 구동 바퀴(12) 및 구동 모터와 함께 조향구동장치(도면에 미도시) 등의 차량의 주행에 필요한 구성이 구비된 구성이다. 도면을 참조하면, 상기 본체(10)에는 구동 바퀴(12)가 장착되어 그 구동 바퀴(12)는 전력에 의해 구동되는 구동 모터에 의해 구동된다.The main body 10 is a configuration provided with components necessary for driving a vehicle, such as a driving wheel 12 for driving together with a chassis constituting the vehicle body, and a steering drive device (not shown in the drawing) together with a driving motor. Referring to the drawings, the main body 10 is equipped with a driving wheel 12 and the driving wheel 12 is driven by a driving motor driven by electric power.
상기 본체(10)에는 차량의 주행에 필요한 전력이 충전되는 본체 충전지(11)가 구비되는데, 무게 중심을 낮출 수 있도록 상기 본체 충전지(11)는 본체(11)의 저부에 장착되는 것이 바람직하다. 또한, 상기 본체(10)에는 외부로부터 전력을 공급받기 위한 전력 공급부와, 상기 전력 공급부를 통해 공급되는 전력을 충전하기 위한 본체 충전지(11)와, 상기 전력 공급부를 통해 공급되는 전력이나 상기 본체 충전지(11)에 충전된 전력을 무선으로 상기 부상체로 전송하기 위한 무선전력송수신수단과, The main body 10 is provided with a main body rechargeable battery 11 that is charged with electric power required for driving the vehicle, and the main body rechargeable battery 11 is preferably mounted on the bottom of the main body 11 so as to lower the center of gravity. In addition, the main body 10 has a power supply unit for receiving power from the outside, a main body rechargeable battery 11 for charging power supplied through the power supply unit, and power supplied through the power supply unit or the main body rechargeable battery A wireless power transmission and reception means for wirelessly transmitting the power charged in (11) to the floating body;
상기 가이드체(20)는 상기 부상체(30)의 상하 운동을 가이드하기 위한 구성이다. 상기 부상체(30)는 상기 가이드체(20)에 의해 지지되어 상기 본체(10)로부터 이탈되지 않으면서 상하 방향으로는 상기 본체(10)에 대하여 상대적인 이동이 가능하게 된다. 도면에는 상기 가이드체(20)가 본체(10)와 부상체(20)의 양측을 감싸도록 장착되어 부상체(20)가 가이드체(30)의 외부로 이탈되지 않으면서 상하 방향의 이동이 가이드되도록 구성된 실시예가 도시되어 있으며, 상기 가이드체(20)에 의해 본체(10)와 부상체(30)는 서로 분리되어 상하의 상대적인 이동은 가능하면서 동시에 주행은 일체로 이루어지게 된다.The guide body 20 is configured to guide the vertical movement of the floating body 30 . The floating body 30 is supported by the guide body 20 so that it is possible to move relative to the body 10 in the vertical direction without being separated from the body 10 . In the drawing, the guide body 20 is mounted to surround both sides of the main body 10 and the floating body 20 so that the floating body 20 is not separated to the outside of the guide body 30 and the movement in the vertical direction is guided. An embodiment configured to be so is shown, and the main body 10 and the floating body 30 are separated from each other by the guide body 20 so that the relative movement up and down is possible, and the running is made integrally.
상기 부상체(30)는 사람이 탑승하거나 물건이 적재되는 공간을 형성하기 위한 구성으로, 상기 부상체(30)는 상기 본체의 상부에 위치되어 상기 자기 부상 서스펜션(40)에 의해 지지된다. 차량의 주행으로 상기 본체(10)에 가해진 충격은 자력에 의해 부상되어 있는 부상체(30)에는 직접 전달되지 않고 완충되어 전달된다.The floating body 30 is configured to form a space in which a person boards or an object is loaded, and the floating body 30 is positioned on the upper portion of the main body and is supported by the magnetically levitated suspension 40 . The impact applied to the main body 10 due to the driving of the vehicle is not directly transmitted to the floating body 30 levitated by magnetic force, but is buffered and transmitted.
상기 자기 부상 서스펜션(40)은 상기 부상체(30)가 상기 본체(10)의 상부에서 부상되도록 하면서, 부상된 상태에서 본체(10)에 가해진 진동이 완충되어 상기 부상체(30)으로 전달되지 않도록 하기 위한 구성이다. 상기 자기 부상 서스펜션(40)은 서로 척력으로 밀치는 자력을 형성하도록 상기 본체(10)와 부상체(30)의 마주보는 위치 각각에 장착된 한 쌍의 부상 자석(41,42)이 구비되어 구성된다. 도면을 참조하면, 상기 본체(10)에는 본체측 자석(41)이 장착되고, 그 마주보는 위치에서 상기 부상체(30)에는 부상체측 자석(42)이 장착되어 그 사이에 발생된 척력에 의해 상기 부상체(30)이 상방으로 부상되게 된다.The magnetically levitated suspension 40 allows the floating body 30 to float on the upper part of the main body 10 , and the vibration applied to the main body 10 in the floating state is buffered and transmitted to the floating body 30 . This is to prevent this from happening. The magnetically levitated suspension 40 is provided with a pair of levitating magnets 41 and 42 mounted at opposite positions of the main body 10 and the floating body 30 to form a magnetic force that repels each other. do. Referring to the drawings, the body-side magnet 41 is mounted on the main body 10, and the floating body-side magnet 42 is mounted on the floating body 30 at the opposite position by the repulsive force generated therebetween. The floating body 30 is floated upward.
한편, 상기 부상 자석(41,42)은 영구 자석으로 형성될 수 있으나, 본 발명은 주행시에만 완충이 이루어지도록 부상체(30)의 부상이 이루어지고, 정차시에는 부상체(30)가 부상되지 않고 본체(10)에 안착되도록 자력을 변경하거나 제어할 수 있는 전자석으로 구성될 수 있다.On the other hand, the floating magnets 41 and 42 may be formed of permanent magnets, but in the present invention, the floating body 30 is levitated so that the buffer is made only during driving, and the floating body 30 is not levitated when the vehicle is stopped. It may be composed of an electromagnet capable of changing or controlling the magnetic force so as to be seated on the body 10 without it.
즉, 상기 부상 자석(41,42)을 전력을 공급받아 활성화되는 전자석으로 구성하는 경우 부상체측 제어부 및 본체측 제어부에 의해 차량의 정차시에는 전자석으로의 전력 공급을 차단하고 차량의 주행시 전자석으로의 전력 공급이 이루어지도록 제어가 이루어지게 된다. 또한 상기 부상체(30)에 구비된 부상체측 제어부 및 본체(10)에 구비된 본체측 제어부는 상기 전자석에 의해 발생되는 척력의 크기를 조절하도록 상기 전자석으로 공급되는 전력을 제어하게 되는데, 그에 따라 부상체(30)의 높이를 조절할 수 있게 된다.That is, when the floating magnets 41 and 42 are configured as electromagnets that are activated by receiving power, the electric power supply to the electromagnet is cut off when the vehicle is stopped by the floating body side control unit and the main body side control unit, and to the electromagnet when the vehicle is running. Control is made so that the power supply is made. In addition, the floating body-side control unit provided in the floating body 30 and the main body-side control unit provided in the main body 10 control the power supplied to the electromagnet to adjust the magnitude of the repulsive force generated by the electromagnet. The height of the floating body 30 can be adjusted.
한편, 상기 부상체(30)에 구비된 전자석뿐만 아니라 기타 전력을 공급받아 작동되는 기기에 전력의 공급이 필요로 한데, 이 전력은 상기 본체(10)로부터 유선에 의해 직접 공급받도록 구성될 수 있으나, 부상체(30)가 본체(10)의 상부에 부상된 상태로 상하로 이동되기 때문에 부상체(30)에 별도의 전력 공급을 위한 구성이 마련되는 것이 바람직하다. 이를 위해서 상기 부상체(30)에는 전력을 충전하여 상기 부상체에 장착된 부상체측 전자석을 포함한 기타 전기 장치에 전력을 공급하는 부상체 충전지와, 상기 부상체 충전지로의 충전을 제어하는 부상체 충전부 및 상기 본체에 구비된 무선 전력 송수신 수단과 서로 마주 보는 위치에 전력을 무선으로 전송하는 무선 전력 송수신 수단이 구비된다.On the other hand, it is necessary to supply power not only to the electromagnet provided in the floating body 30 but also to other devices that are operated by receiving power. , since the floating body 30 moves up and down in a floating state on the upper part of the main body 10 , it is preferable that a configuration for separately supplying power to the floating body 30 is provided. To this end, the floating body 30 is charged with electric power and a floating body charging battery for supplying power to other electric devices including the floating body side electromagnet mounted on the floating body, and a floating body charging unit for controlling charging to the floating body rechargeable battery and a wireless power transmitting/receiving unit for wirelessly transmitting power to a position facing each other with the wireless power transmitting/receiving unit provided in the main body.
상기 부상체 충전부는 무선 전력 송수신 수단을 통하여 상기 본체의 무선 전력 송수신 수단으로부터 전달된 전력을 공급받아 상기 부상체 충전지의 충전을 제어하게 된다.The floating body charging unit receives the power transmitted from the wireless power transmission and reception means of the main body through the wireless power transmission and reception means to control the charging of the floating body rechargeable battery.
한편, 상술한 바와 같이 상기 본체(10)에는 구동 모터나 조향 구동 장치와 같이 차량의 주행에 필요한 장치가 장착되는데, 이러한 본체(10)에 구비된 장치의 제어는 차량에 탑승한 탑승자나 차량의 외부에서 차량의 주행을 조작하는 조작자에 의해 이루어진다. 따라서, 차량의 주행을 위해 본체(10)에 구비된 장치의 제어를 위한 신호나 명령 및 조작 동작을 수행하는 조작부는 부상체(30)에 구비되거나 외부 조작 장치에 구비된다. 이러한 조작부에 의해 입력된 신호나 명령은 상기 본체(10)에 구비된 장치로 전송되어야 하는데, 상술한 바와 같이 부상체(20)는 본체(10)의 상부에 부상된 상태이기 때문에 본 발명은 상기 조작부에 의해 입력된 신호나 명령이 무선으로 상기 본체(10)에 구비된 장치로 전송되도록 구성된 것을 특징으로 한다.On the other hand, as described above, the main body 10 is equipped with a device necessary for driving a vehicle, such as a driving motor or a steering drive device. This is done by an operator who controls the driving of the vehicle from the outside. Accordingly, a manipulation unit for performing a signal or command and a manipulation operation for controlling a device provided in the main body 10 for driving a vehicle is provided in the floating body 30 or is provided in an external manipulation device. The signal or command input by such a manipulation unit must be transmitted to the device provided in the main body 10, and as described above, the floating body 20 is in a floating state on the upper part of the main body 10, so the present invention provides the It is characterized in that the signal or command input by the manipulation unit is configured to be wirelessly transmitted to the device provided in the main body (10).
앞에서 설명되고 도면에 도시된 자기 부상 서스펜션이 구비된 전기 차량은 본 발명을 실시하기 위한 하나의 실시예에 불과하며, 본 발명의 기술적 사상을 한정하는 것으로 해석되어서는 안된다. 본 발명의 보호범위는 이하의 특허청구범위에 기재된 사항에 의해서만 정하여지며, 본 발명의 요지를 벗어남이 없이 개량 및 변경된 실시예는 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 자명한 것인 한 본 발명의 보호범위에 속한다고 할 것이다.The electric vehicle provided with the magnetic levitation suspension described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical spirit of the present invention. The protection scope of the present invention is defined only by the matters described in the claims below, and improved and changed embodiments without departing from the gist of the present invention are obvious to those of ordinary skill in the art to which the present invention belongs. It will be said that it falls within the protection scope of the present invention.
상기와 같은 구성을 갖는 본 발명 자기 부상 서스펜션이 구비된 전기 차량은 차량의 주행시 노면 진동을 감쇄하기 위한 서스펜션 장치가 본체의 상부에 부상체가 자기에 의해 부상되도록 구성됨으로써 가볍고 컴팩트하여 주행거리 등 전기 차량의 성능 개선에 유리한 장점을 갖는 산업상 매우 유용한 발명이다.The electric vehicle equipped with the magnetic levitation suspension of the present invention having the above configuration has a suspension device for damping road surface vibration when the vehicle is driven so that the floating body is magnetically levitated on the upper portion of the main body, so that the electric vehicle is light and compact. It is a very useful invention in the industry that has the advantage of improving the performance of

Claims (5)

  1. 전력에 의해 구동되는 구동 모터에 의해 구동되는 구동 바퀴에 의해 노면을 주행하는 본체와,A main body that travels on a road surface by driving wheels driven by a driving motor driven by electric power;
    상기 본체의 상부에 위치된 부상체와,And a floating body located on the upper part of the main body;
    상기 부상체의 상하 운동을 가이드하기 위한 가이드체와,A guide body for guiding the vertical movement of the floating body,
    서로 척력으로 밀치는 자력을 형성하도록 상기 본체와 부상체의 마주보는 위치 각각에 장착된 한 쌍의 부상 자석이 구비되어 구성된 자기 부상 서스펜션이 포함된 것을 특징으로 하는 자기 부상 서스펜션이 구비된 전기 차량.The electric vehicle provided with a magnetic levitation suspension, characterized in that it includes a magnetically levitated suspension comprising a pair of levitating magnets mounted at opposite positions of the main body and the levitating body to form a magnetic force that repels each other.
  2. 제1항에 있어서,According to claim 1,
    상기 부상 자석은 전력을 공급받아 활성화되는 전자석이고,The floating magnet is an electromagnet that is activated by receiving power,
    차량의 정차시 전자석으로의 전력 공급을 차단하고 차량의 주행시 전자석으로의 전력 공급을 이루어지도록 제어하는 제어부가 더 포함된 것을 특징으로 하는 자기 부상 서스펜션이 구비된 전기 차량.The electric vehicle with a magnetic levitation suspension, characterized in that it further comprises a control unit that blocks the supply of power to the electromagnet when the vehicle is stopped and controls the supply of power to the electromagnet when the vehicle is running.
  3. 제2항에 있어서,3. The method of claim 2,
    상기 제어부는 상기 전자석에 의해 발생되는 척력의 크기를 조절하도록 상기 전자석으로 공급되는 전력을 제어하는 것을 특징으로 하는 자기 부상 서스펜션이 구비된 전기 차량.The control unit is an electric vehicle with a magnetic levitation suspension, characterized in that for controlling the power supplied to the electromagnet to adjust the magnitude of the repulsive force generated by the electromagnet.
  4. 제2항 또는 제3항 중 어느 하나의 항에 있어서,4. according to any one of claims 2 or 3,
    상기 부상체에는 전력을 충전하여 상기 부상체에 장착된 전자석을 포함한 전기 장치에 전력을 공급하는 부상체 충전지와, 상기 부상체 충전지로의 충전을 제어하는 부상체 충전부가 구비되고,The floating body is provided with a floating body charging battery for charging electric power and supplying power to an electric device including an electromagnet mounted on the floating body, and a floating body charging unit for controlling charging to the floating body charging station,
    상기 본체와 부상체가 서로 마주 보는 위치에는 전력을 무선으로 전송하는 무선 전력 송수신 수단이 구비되며,A wireless power transmission/reception means for wirelessly transmitting power is provided at a position where the main body and the floating body face each other,
    상기 부상체 충전부는 무선 전력 송수신 수단을 통하여 상기 본체로부터 전력을 공급받아 상기 부상체 충전지의 충전을 제어하는 것을 특징으로 하는 자기 부상 서스펜션이 구비된 전기 차량.The electric vehicle with a magnetic levitation suspension, characterized in that the floating body charging unit receives power from the main body through a wireless power transmitting and receiving means to control the charging of the floating body rechargeable battery.
  5. 제4항에 있어서,5. The method of claim 4,
    상기 본체에는 조향 구동 장치가 구비되고,The main body is provided with a steering drive device,
    상기 부상체에는 상기 구동 모터 및 조향 구동 장치의 작동을 제어하는 조작부가 구비되며,The floating body is provided with a manipulation unit for controlling the operation of the drive motor and the steering drive device,
    상기 조작부의 조작 신호는 상기 본체의 조향 구동 장치와 구동 모터로 무선으로 전송되는 것을 특징으로 하는 자기 부상 서스펜션이 구비된 전기 차량.The electric vehicle with a magnetic levitation suspension, characterized in that the operation signal of the operation unit is wirelessly transmitted to the steering drive device and the drive motor of the main body.
PCT/KR2021/014219 2020-10-26 2021-10-14 Electric vehicle having magnetic levitation suspension WO2022092634A1 (en)

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