KR20100099810A - Electric-powered bicycle - Google Patents

Electric-powered bicycle Download PDF

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Publication number
KR20100099810A
KR20100099810A KR1020090018328A KR20090018328A KR20100099810A KR 20100099810 A KR20100099810 A KR 20100099810A KR 1020090018328 A KR1020090018328 A KR 1020090018328A KR 20090018328 A KR20090018328 A KR 20090018328A KR 20100099810 A KR20100099810 A KR 20100099810A
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KR
South Korea
Prior art keywords
frame
electric
electric motor
rechargeable battery
electric bicycle
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KR1020090018328A
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Korean (ko)
Inventor
정유미
Original Assignee
정유미
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Priority to KR1020090018328A priority Critical patent/KR20100099810A/en
Priority to PCT/KR2010/001312 priority patent/WO2010101400A2/en
Publication of KR20100099810A publication Critical patent/KR20100099810A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/90—Batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
    • B62K19/06—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity tubular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M23/00—Transmissions characterised by use of other elements; Other transmissions
    • B62M23/02—Transmissions characterised by use of other elements; Other transmissions characterised by the use of two or more dissimilar sources of power, e.g. transmissions for hybrid motorcycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00—Adaptations for driving cycles by electric motor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

PURPOSE: An electric bicycle with a rechargeable battery is provided have an improved exterior by inserting a rechargeable battery into a pipe frame and forming the pipe frame into a hollow shape. CONSTITUTION: An electric bicycle comprises a chain(121), wheels(102), an electric motor(130), a hollow-shaped pipe frame(110), and rechargeable batteries. The chain is connected to pedals(120) and drives the wheels. The electric motor powers the wheels. The rechargeable batteries, for supplying power to the electric motor, are connected in series and are arranged inside the pipe frame.

Description

전동식 자전거{electric-powered bicycle}Electric-powered bicycle

본 발명은 전동식 자전거에 관한 것으로서 특히, 전동모터에 전원을 공급하기 위한 충전지를 자전거 프레임 내에 구비하여 외관미를 향상시키기 위한 전동식 자전거에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric bicycle, and more particularly, to an electric bicycle for improving appearance by providing a rechargeable battery for supplying power to an electric motor in a bicycle frame.

최근 차량의 급격한 증가에 의한 교통문제와 환경오염이 매우 심각한 상태이며, 한편 현대인은 운동부족으로 인하여 비만과 성인병이 증가하고 있다. 이러한 문제들을 해결할 수 있는 방안으로 자전거를 이용함으로써 현대인의 운동부족을 해소하면서도 도심의 교통문제와 환경오염을 줄일 수가 있다.Recently, traffic problems and environmental pollution are very serious due to the rapid increase of vehicles, while modern people are increasing obesity and adult diseases due to lack of exercise. By using bicycles as a way to solve these problems, it is possible to reduce the traffic problems and environmental pollution in the city while solving the lack of exercise of modern people.

자전거는 남녀노소 큰 무리 없이 이용할 수 있으므로 건강증진을 도모할 수 있으면서도 교통문제와 환경오염을 억제할 수 있다. 이러한 이유로 최근에는 자전거 전용도로를 확대하여 설치하고 있으며 자전거의 보급도 급속히 증가하고 있는 실정이다.Since bicycles can be used by all ages, they can promote health while reducing traffic problems and environmental pollution. For this reason, in recent years, bicycle roads have been expanded and installed, and the distribution of bicycles is rapidly increasing.

최근에는 장거리 이동시에도 자전거를 활용할 수 있도록 자전거에 전동모터 를 설치한 전동식 자전거가 나와 있으며, 전동식 자전거는 사용자가 발로 페달을 밟아 바퀴를 돌리게 되는 일반 자전거에 전동모터를 추가하여 전동모터의 구동력을 이용하여 바퀴를 돌림으로써 장거리나 긴 경사로 주행 시에 사용자의 체력 소모를 줄일 수 있도록 하고 있다.Recently, there is an electric bicycle equipped with an electric motor on the bicycle to use the bicycle even when traveling long distance, and the electric bicycle uses the driving power of the electric motor by adding an electric motor to a general bicycle, in which a user steps on a pedal by turning a pedal. By turning the wheels to reduce the user's physical consumption when driving long distances or long slopes.

도 1은 종래의 전동식 자전거를 보여주는 도면이다.1 is a view showing a conventional electric bicycle.

도 1을 참고하면, 안장(1) 및 핸들(2)이 프레임(10)에 의해 지지되고, 프레임(10) 전후에는 전륜(10)과 후륜(20)이 마련된다. 프레임(10) 중앙 하단에는 페달(30)이 마련되어 체인(31)에 의해 후륜(20)의 스프라켓(21)과 연결된다.Referring to FIG. 1, the saddle 1 and the handle 2 are supported by the frame 10, and the front wheel 10 and the rear wheel 20 are provided before and after the frame 10. A pedal 30 is provided at the center lower end of the frame 10 and is connected to the sprocket 21 of the rear wheel 20 by a chain 31.

한편, 프레임(10)에는 감속기를 갖는 전동모터(40)와 배터리(50)가 고정 설치되며, 배터리(50)는 전동모터(40)에 전원을 공급하게 된다. 전동모터(40)는 체인(41)에 의해 후륜(20)의 스프라켓(21)과 연결된다.On the other hand, the electric motor 40 and the battery 50 having a reduction gear is fixed to the frame 10, the battery 50 is to supply power to the electric motor 40. The electric motor 40 is connected to the sprocket 21 of the rear wheel 20 by the chain 41.

도 1에서 후륜(20)의 스프라켓(21)은 하나로 도시하고는 있으나, 페달(30)과 연결된 체인(31)이 체결되는 스프라켓과, 전동모터(40)와 연결된 체인(41)이 체결되는 스프라켓은 각각 별도로 후륜(20) 샤프트의 반대 방향에 마련되어 양측 스프라켓은 상호 무관하게 회전이 이루어지게 된다.In FIG. 1, the sprocket 21 of the rear wheel 20 is illustrated as one, but the sprocket to which the chain 31 connected to the pedal 30 is fastened, and the sprocket to which the chain 41 connected to the electric motor 40 is fastened. Are each provided in the opposite direction of the rear wheel 20 shaft separately, both sprockets are rotated irrespective of each other.

도면부호 50은 전동모터(40)와 배터리(50)가 수납되는 케이싱이며, 케이싱은 프레임(10)에 고정된다.Reference numeral 50 denotes a casing in which the electric motor 40 and the battery 50 are accommodated, and the casing is fixed to the frame 10.

핸들(2)에는 전동모터(40)의 '온/오프'를 조작하기 위한 스위치(60)가 마련된다.The handle 2 is provided with a switch 60 for manipulating the 'on / off' of the electric motor 40.

이와 같은 종래의 전동식 자전거는 사용자가 페달(30)을 밟아서 후륜(20)을 구동하여 주행이 가능하며, 또한 사용자는 스위치(60)를 켜서 페달을 밟지 않고 전동모터(40)의 구동력에 의해 후륜(20)을 구동하여 주행할 수가 있다.Such a conventional electric bicycle can be driven by the user driving the rear wheel 20 by stepping on the pedal 30, and the user does not step on the pedal by turning on the switch 60, and the rear wheel is driven by the driving force of the electric motor 40. It is possible to drive by driving 20.

그러나, 이와 같은 종래의 전동식 자전거는 전동모터와 감속기를 체인 연결없이 후륜 자체에 직접 부착하여 후륜을 구동함으로써 전동모터를 직접 프레임에 설치하지 않아도 되지만, 전동모터에 전원을 공급하기 위한 배터리는 자전거 프레임에 고정해야 하며, 이때 배터리의 설치 위치는 상당히 많은 제한이 있다.However, such a conventional electric bicycle does not need to install the electric motor directly to the frame by driving the rear wheel by directly attaching the electric motor and the reducer to the rear wheel itself without chain connection, but the battery for supplying power to the electric motor is a bicycle frame. The installation position of the battery is quite limited.

예를 들어, 배터리는 도 1에서와 같이 프레임 중앙에 고정 설치되거나 또는 자전거 후단에 마련된 받침대(3)에 고정 설치해야 하며, 이는 자전거에 추가적으로 짐을 싣기가 불편하고 외관미가 저하되는 불편함이 있다.For example, the battery should be fixedly installed in the center of the frame or fixed to the base (3) provided at the rear end of the bicycle, as shown in Figure 1, which is inconvenient to carry additional luggage on the bike and deteriorate the appearance.

본 발명은 상기의 문제점을 해소하기 위한 것으로, 전동모터의 구동력에 의해 주행이 가능한 전동식 자전거에 있어, 전동모터에 전원을 공급하기 위한 충전지를 자전거 프레임 바깥에 고정하지 않고 프레임 내부에 마련하여 자전거 외관미를 향상시킬 수 있는 전동식 자전거를 제공하고자 한다.The present invention is to solve the above problems, in the electric bicycle that can be driven by the driving force of the electric motor, by providing a rechargeable battery for supplying power to the electric motor inside the frame without fixing the outside of the bicycle frame appearance To provide an electric bicycle that can improve the beauty.

본 발명의 전동식 자전거는, 페달에 연결된 체인에 의해 바퀴를 구동하여 주행이 이루어지고, 또한 전동모터가 구비되어 상기 바퀴를 구동하여 주행이 가능한 전동식 자전거에 있어서, 상기 전동식 자전거는 중공 형상의 파이프 프레임을 포함하며, 이 파이프 프레임 내에 상기 전동모터에 전원을 공급하기 위한 충전지가 삽입됨으로써 달성된다.In the electric bicycle of the present invention, the electric bicycle is driven by driving the wheels by a chain connected to the pedal, and the electric motor is provided and the electric bicycle is capable of driving by driving the wheels, the electric bicycle is a hollow pipe frame It includes, and is achieved by inserting a rechargeable battery for supplying power to the electric motor in the pipe frame.

본 발명의 전동식 자전거는, 자전거 프레임을 구성하는 프레임을 중공 형상의 파이프 프레임으로 마련하고, 이 파이프 프레임 내에 충전지를 삽입함으로써, 종래의 전동식 자전거와 비교하여 외관미를 향상시킬 수 있는 효과가 있는 발명인 것이다.In the electric bicycle of the present invention, by providing a frame constituting the bicycle frame in a hollow pipe frame and inserting a rechargeable battery into the pipe frame, the inventor of the present invention has an effect that the appearance can be improved as compared with a conventional electric bicycle. will be.

본 발명의 실시예를 첨부 도면을 참조하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2를 참고하면, 본 발명의 전동식 자전거에 있어 전륜(101), 후륜(102), 안장(103) 및 핸들(104)이 구비되는 프레임(110)과, 체인(121)에 의해 후륜(102)과 연결되는 페달(120)과, 프레임(110)에 고정되어 후륜(102)과 체인(131)으로 연결되는 전동모터(130)와, 핸들(104)에 구비되어 전동모터(130)의 작동 상태를 조작하기 위한 스위치(140) 등의 구성은 종래의 전동식 자전거와 동일하다.Referring to FIG. 2, in the electric bicycle of the present invention, the front wheel 101, the rear wheel 102, the saddle 103 and the handle 104 are provided with a frame 110, and the rear wheel 102 by the chain 121. Pedal 120 connected to), the electric motor 130 is fixed to the frame 110 is connected to the rear wheel 102 and the chain 131, and the handle 104 is provided in the operation of the electric motor 130 The configuration of the switch 140 or the like for operating the state is the same as that of a conventional electric bicycle.

특히, 본 발명의 전동식 자전거에 있어 프레임(110)은 중공 형상의 파이프 프레임이며, 전동모터(130)에 전원을 공급하게 되는 충전지는 파이프 프레임 내부에 삽입되는 것을 특징으로 한다.Particularly, in the electric bicycle of the present invention, the frame 110 is a hollow pipe frame, and a rechargeable battery for supplying power to the electric motor 130 is inserted into the pipe frame.

도 3을 참고하면, 프레임(110)은 중공 형상을 가지며, 이 프레임(110) 내부에 충전지(150)가 삽입된다. 충전지(150)는 프레임 직경보다 작게 성형 제작되어 프레임 내에 삽입되어 고정된다. 프레임(110)의 내주면에는 절연시트(112)가 부착되어 프레임(110)과 충전지(150) 사이에 전기적인 절연이 이루어지며 방습 기능을 갖는 것이 바람직하다.Referring to FIG. 3, the frame 110 has a hollow shape, and the rechargeable battery 150 is inserted into the frame 110. The rechargeable battery 150 is formed to be smaller than the frame diameter, and inserted into and fixed to the frame. An insulating sheet 112 is attached to the inner circumferential surface of the frame 110 to provide electrical insulation between the frame 110 and the rechargeable battery 150 and to have a moisture-proof function.

도 4에 도시된 바와 같이, 충전지(150)에는 충전용 리드선(150a)이 프레임(110) 바깥으로 노출되도록 제공되며, 사용자는 스위치(140)를 '오프' 상태로 한 후에 리드선(150a)을 통해 충전지(150)를 충전할 수가 있다. 충전이 불필요한 경우에 리드선(150a) 단자에 캡을 씌워 프레임(110)에 마련된 별도의 홀더(미도시)에 고정될 수 있다.As shown in FIG. 4, the rechargeable battery 150 is provided so that the charging lead 150a is exposed to the outside of the frame 110, and the user turns the lead wire 150a after the switch 140 is 'off'. Through the rechargeable battery 150 can be charged. When charging is unnecessary, the cap may be capped on the terminal of the lead wire 150a to be fixed to a separate holder (not shown) provided in the frame 110.

한편, 도 1 및 도 2에 도시된 바와 같이, 본 발명에 있어 프레임(110)에는 충전지의 교환을 위해 개폐가 가능한 커버부(111)가 추가될 수 있으며, 커버부(111)는 프레임(110)에 힌지(111a) 체결되어 아래로 회전 개폐가 가능하고 볼트 등의 체결수단을 이용한 록킹부(111b)가 구비되어 커버부(111)를 고정할 수가 있다.On the other hand, as shown in Figure 1 and 2, in the present invention frame 110 may be added to the cover portion 111 that can be opened and closed for the exchange of rechargeable batteries, the cover portion 111 is frame 110 The hinge 111a is fastened to the bottom side thereof to rotate the opening and closing downward, and a locking part 111b using fastening means such as a bolt is provided to fix the cover 111.

한편, 본 발명에 있어 커버부(111)를 이용하여 충전지의 교환이 용이하도록 충전지는 복수 개로 구성될 수 있으며, 각 충전지는 직렬로 연결되어 프레임(110) 내에 수납 보관될 수가 있다.Meanwhile, in the present invention, a plurality of rechargeable batteries may be configured to facilitate the exchange of rechargeable batteries using the cover 111, and each rechargeable battery may be connected in series to be stored and stored in the frame 110.

다른 한편으로, 본 발명에 있어 충전지는 복수 개로 이루어진 단위 충전지가 한 군의 충전모듈을 이루며, 각 충전모듈은 프레임에 분산 배치되어 전선에 의해 직렬 연결되는 것을 특징으로 한다.On the other hand, in the present invention, the rechargeable battery is composed of a plurality of unit rechargeable battery constitutes a group of charging modules, each charging module is characterized in that distributed in the frame is connected in series by an electric wire.

본 발명에서는 충전지 용량을 크게 하기 위하여 가능하면 프레임에 많은 충전지가 배치되는 것이 바람직하다.In the present invention, it is preferable to arrange as many rechargeable batteries in the frame as possible in order to increase the rechargeable battery capacity.

이를 위하여 본 발명에서는 프레임 형상에 따라서 프레임을 서브 프레임으로 구분하며 각 서브 프레임에 복수 개로 이루어진 단위 충전지를 한 군의 충전모듈로 분산 배치하고, 각 충전모듈을 전선으로 직렬 연결할 수가 있는 것이다.To this end, in the present invention, the frame is divided into subframes according to the frame shape, and a plurality of unit rechargeable batteries formed in each subframe are distributed and arranged in a group of charging modules, and each charging module can be connected in series with an electric wire.

구체적으로 도 5를 참고하면, 대략 역삼각 형상을 갖는 프레임은 세 개의 제1,2,3서브프레임(110a)(110b)(110c)으로 구분할 수 있다.Specifically, referring to FIG. 5, a frame having an approximately inverted triangular shape may be divided into three first, second, and third subframes 110a, 110b, and 110c.

제1서브프레임(110a) 내에는 복수 개의 단위 충전지(151a)가 직렬로 연결되어 한 군의 충전모듈(151)을 구성하며, 마찬가지로 제2,3서브프레임(110b)(110c)에도 복수 개의 단위 충전지들로 이루어진 충전모듈(152)(153)이 구비된다.In the first subframe 110a, a plurality of unit rechargeable batteries 151a are connected in series to form a group of charging modules 151. Similarly, the second and third subframes 110b and 110c also have a plurality of units. Charging modules 152 and 153 made of rechargeable batteries are provided.

각 충전모듈(151)(152)(153)은 전선에 의해 직렬로 연결되어 하나의 충전지로 기능하여 전동모터에 전원을 공급할 수가 있다.Each charging module 151, 152, 153 is connected in series by a wire to function as a single rechargeable battery can supply power to the electric motor.

앞서 설명한 바와 같이 각 서브프레임에는 별도의 커버부(110a')(110b')(110c')가 마련되어 각 서브프레임에 삽입된 단위 충전지의 교환이 가능하다.As described above, separate cover parts 110a ', 110b', and 110c 'are provided in each subframe to exchange unit rechargeable batteries inserted in each subframe.

이와 같이 본 발명의 전동식 자전거는 자전거 바디를 구성하는 프레임 내에 전동모터에 전원을 공급하게 되는 충전지를 삽입함으로써 외관미를 개선할 수 있다.Thus, the electric bicycle of the present invention can improve the appearance beauty by inserting a rechargeable battery which supplies power to the electric motor in the frame constituting the bicycle body.

상기 실시예는 본 발명의 기술적 사상을 구체적으로 설명하기 위한 일례로서, 본 발명의 범위는 상기의 도면이나 실시예에 한정되지 않는다.The above embodiment is an example for explaining the technical idea of the present invention in detail, and the scope of the present invention is not limited to the above drawings and embodiments.

도 1은 종래의 전동식 자전거를 보여주는 도면,1 is a view showing a conventional electric bicycle,

도 2는 본 발명의 전동식 자전거를 보여주는 도면,2 is a view showing an electric bicycle of the present invention,

도 3은 도 2의 A-A 선의 단면도,3 is a cross-sectional view taken along the line A-A of FIG.

도 4는 본 발명의 전동식 자전거에 있어 충전지와 전동모터의 회로 구성을 간략히 보여주는 도면,4 is a view briefly showing the circuit configuration of the rechargeable battery and the electric motor in the electric bicycle of the present invention,

도 5는 본 발명의 전동식 자전거에 있어 충전지의 레이아웃의 바람직한 일례를 보여주는 도면.5 is a view showing a preferred example of the layout of the rechargeable battery in the electric bicycle of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

110 : 프레임 120 : 후륜110: frame 120: rear wheel

130 : 전동모터 140 : 스위치130: electric motor 140: switch

150 : 충전지150: rechargeable battery

Claims (4)

페달에 연결된 체인에 의해 바퀴를 구동하여 주행이 이루어지고, 또한 전동모터가 구비되어 상기 바퀴를 구동하여 주행이 가능한 전동식 자전거에 있어서,In the electric bicycle which is driven by driving the wheels by a chain connected to the pedal, and the electric motor is provided to drive by driving the wheels, 상기 전동식 자전거는 중공 형상의 파이프 프레임을 포함하며, 이 파이프 프레임 내에 상기 전동모터에 전원을 공급하기 위한 충전지가 삽입되는 것을 특징으로 하는 전동식 자전거.The electric bicycle includes a hollow pipe frame, wherein a rechargeable battery for supplying power to the electric motor is inserted into the pipe frame. 제1항에 있어서, 상기 충전지는 복수 개로 구성되어 서로 직렬로 연결되는 것을 특징으로 하는 전동식 자전거.The electric bicycle according to claim 1, wherein the rechargeable battery is configured in plural and connected in series with each other. 제1항에 있어서, 상기 파이프 프레임에는 상기 충전지 교환을 위해 개폐가 가능한 커버부가 구비되는 것을 특징으로 하는 전동식 자전거.The electric bicycle according to claim 1, wherein the pipe frame is provided with a cover part which can be opened and closed to replace the rechargeable battery. 제1항에 있어서, 상기 충전지는 복수 개로 이루어진 단위 충전지가 한 군의 충전모듈을 이루며, 각 충전모듈은 상기 프레임에 분산 배치되어 전선에 의해 직렬 연결되는 것을 특징으로 하는 전동식 자전거.The electric bicycle according to claim 1, wherein the rechargeable battery comprises a plurality of unit rechargeable batteries, and each charging module is distributed in the frame and connected in series by electric wires.
KR1020090018328A 2009-03-04 2009-03-04 Electric-powered bicycle KR20100099810A (en)

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CN105501377B (en) * 2015-12-17 2018-08-24 西安建筑科技大学 A kind of multifunctional all bicycle

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