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`DGL Exhibit 1002
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`DGL Exhibit 1002
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`DGL Exhibit 1002
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`DGL Exhibit 1002
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`

`Espacenet - Bibliographic data
`
`Page 1 of 1
`
`
`
` WA
` ig — | Espacenet
`
`Bibliographic data: CNZO3381739 (L}} — 2014-01-08
`
`Self-balance two-wheel electric vehicle
`
`Inventor(s):
`
`SHEN HAITAO; MENG DEMING; MENG YUQUN; SU SHAOLING;
`GUAN ZENGHUI + (SHEN HAITAO,
`; MENG DEMING,
`; MENG
`YUQUN, ; SU SHAOLING, ; GUAN ZENGHUI)
`
`Applicant(s):
`
`INST METAL RES CHINESE ACAD SC + (INSTITUTE OF METAL
`RESEARCH, CHINESE ACADEMY OF SCIENCES)
`
`Classification:
`
`Application
`number:
`
`B62K11/00; B62K3/06
`- international:
`
`662K 11/007 (EP}
`- cooperative:
`CN201320300947U 20130528
`
`Priority number CN201320300947U 20130528
`(s):
`
`Abstract of CN203301738 (U}
`
`The utiiiy model aims to provide a self-balance two-wheel slectnic vehicie. The self-
`balance two-wheel electric vehicle comprises a vehicie body chassis, motors, speed
`reducers, a battery, wheels, pedals, a display panel, a logic contro! system and a
`steering rocker: the vehicle hody chassis is mounted on a middie shaft for connecting
`the left and right wheels; the battery and the two motors are mounted in the vehicle
`body chassis; two wheels on the left and right are respectively connected with one
`motor by one speed reducer, the pedals are arranged on the vehicle body chassis: the
`display panel is arranged in the middie of the pedals: ihe logic contral system is
`mounted in the display pans! anc is formed by a power supply vollage reducing
`module, a motor driving circull module, a microprocessor circuit moduls, a gyroscope,
`an acceleration sensor circull module and a steering mechanism.
`
`https://worldwide.espacenet.com/publicationDetails/biblio?CC=CN&NR=203381739U&... oF 0/31/2019
`
`Page 0409
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`DGL Exhibit 1002
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`DGL Exhibit 1002
`Page 0409
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`

`

`FPowerad by EPO and Googie
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`31-10-2019
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`DGL Exhibit 1002
`Page 0410
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`DGL Exhibit 1002
`Page 0410
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`
`31-10-2019
`
`2
`
`DGL Exhibit 1002
`Page 0411
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`DGL Exhibit 1002
`Page 0411
`
`

`

`aZ4,ety,a.
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`Patent Transiate
`FPowerad by EPO and Googie
`
`Notice
`This translation is machine- generated. It cannot be guaranteed thatit is intelligible, accurate, complete, reliable or
`fit for specific purposes. Critical decisions, such as commerciallyrelevant or financial decisions, should not be
`based on machine- translation output.
`
`DESCRIPTION CN 208381739
`
`The object of the present invention is to provide a two-wheel self-balancing electric vehicle including a vehicle
`body chassis, a motor, a reducer, a battery, a wheel, a foot pedal, a display panel, a logic control system, and a
`steering a rocker, wherein the chassis of the vehicle body is mounted on a shaft connecting theleft and right
`wheels, and a battery and two motors are arranged inside the chassis of the vehicle body, wherein the left and
`right wheels are respectively connected to a motor through a reducer, The car bodychassis is provided with a
`foot pedal; a display panelis arranged in the middleof the foot pedal, and a logic control systemis installed
`therein; the logic control system is composed of a power supply buck module, a motor drive circuit module, a
`microprocessorcircuit module, a gyro The instrument, the accelerometer circuit module and the steering
`mechanism are composed,
`
`‘Two-wheelself- balancing electric vehicle
`
`Technicalfield
`
`The utility model belongs to the field of automatic robot and automatic traveling vehicle design, and particularly
`provides a two-wheel self- balancing electric vehicle.
`
`Background technique
`
`For some roads that arerelatively narrow ordensely crowded and requireflexible movement in a small space,
`because the size and structure ofvehicles such as cars and electric vehicles are relatively large, they cannot move
`flexibly in tight spaces, and walkingis tiring. The disadvantages are obvious, so there is a need for an electric
`
`31-10-2019
`
`4
`
`DGL Exhibit 1002
`Page 0412
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`DGL Exhibit 1002
`Page 0412
`
`

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`mobility tool that can be flexibly driven in various situations without being restricted by the environment, and
`has a small size and a simpledrivingstyle.
`
`Utility model content
`
`The purpose of the utility model is to provide a two-wheel self- balancing electric vehicle, which has certain
`intelligence, can beself- balanced withoutinterference fromexternal factors, and has strong passability and
`flexibility.
`
`The utility model particularly provides a two-wheelself- balancing electric vehicle, which comprises a vehicle
`body chassis, a motor, areducer, a battery, a wheel, a pedal, a display panel, a logic control system and a steering
`shake. Rod
`
`Wherein, the chassis of the vehicle body is mounted on a shaft connecting the left and right wheels, and a battery
`and two motors are arranged inside the chassis of the vehicle body, whereinthe left and right wheels are
`respectively comnected to one motor through a reducer; the chassis of the vehicle body The aboveis a foot pedal:
`a display panelis arranged in the middle of the foot pedal, and a logic control systemis installed inside;
`
`The logic control system is composed of a power supply buck module, a motor drive circuit module, a
`microprocessorcircuit module, a gyroscope, an acceleration sensorcircuit module anda steering mechanism,
`wherein the battery inside the chassis of the vehicle bodyrespectively supplies a power supply buck module and
`The motor drive circuit module supplies power, the power supply buck module supplies the microprocessor
`circuit module, the gyroscope, the acceleration sensorcircuit module andthe display panel after the voltageis
`dropped: the microprocessor circuit module collects the data of the gyroscope, the acceleration sensorcircuit
`module and the steering mechanism And performing analysis and calculation, and then issuing a command to
`the motordrive circuit module, the motordrive circuit modulerespectively controls the rotation direction, the
`motor output powerand therotation speed of the two motors according to the instruction of the microprocessor
`circuit module; the steering mechanism is set on the foot pedal Thefront end is connected to thesteering rocker,
`and a potentiometeris arranged inside the steering mechanism. When thedriver rotates the rockerleft and right,
`the potentiometerinstalled inside the steering mechanism sendsa voltage signal to the microprocessorcircuit
`module.
`
`The two-wheel self- balancing electric vehicle ofthe present invention is characterized in that a powerswitch is
`arranged on the display panel.
`
`31-10-2019
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`2
`
`DGL Exhibit 1002
`Page 0413
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`DGL Exhibit 1002
`Page 0413
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`

`

`The two-wheelself- balancing electric vehicle of the utility model is characterized in that: an LCD liquid crystal
`display and an LED indicatorlight are arranged onthe display panel.
`
`The two-wheel self- balancing electric vehicle ofthe present invention is characterized in that: the steering rocker
`is a retractable rocker, which is composed of a telescopic rod, alocking device, a rocker and a handle, wherein
`one end of the rocker passes the lock The tensioning device is coupledto the telescopic rod, and the other end of
`thetelescopic rod is provided with a handle, and one end of the rockeris connected to the steering mechanism.
`
`The two-wheel self- balancing electric vehicle ofthe present invention is characterized in that: the handleis
`provided with a handle sleeve.
`
`‘The two-wheel self- balancing electric vehicle of the present invention is characterized in that a fenderis arranged
`on the wheel.
`
`The two-wheel self- balancing electric vehicle of the utility model is characterized in that: the logic control system
`of the two-wheel self balancing electric vehicle is further provided with a wireless remote control module, and is
`equipped with a corresponding remote controller to control the two-wheel self- balancing electric vehicle.
`Turning on and off wherein the power step-down module drops the voltage to 12, Sv, and then supplies the
`wireless remote control module, and the wireless remote control moduletransmits the collected data to the
`microprocessor circuit module.
`
`The two-wheel self balancing electric vehicle ofthe present invention is characterized in that thesteering
`mechanismis a cylindrical full-sealing structure.
`
`‘The advantages ofthe utility modelare:
`
`i.
`
`The vehicle bodyhas a simple structure, reasonable internal space, stable and reliable chip control, low
`manufacturing cost, light weight and small volume.
`
`31-10-2019
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`3
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`DGL Exhibit 1002
`Page 0414
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`DGL Exhibit 1002
`Page 0414
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`

`

`It has a logic control system:it can self-control and limit the speed during the riding process. [fit is overspeed, the
`systemcanissue an alarm and automatically drop to the set safe speed, and theattitude transitionis stable, during
`the riding process. Thestart is smooth, the acceleration is strong and smooth.
`
`In normal mode, the maximum riding speed is 14im/n. Through stable performance, it can not only ride on
`ordinary roads, but also travel on grass, dirt roads, sand and other roads, The maximumclimbing angle is 3D
`degrees and the continuous driving distance is Lokm.
`
`There are two sets of motordrive systems, each driving two motors independently.
`
`‘The motordrive circuit can adopt stable and high-power MOStube, withstand voltage of 7ov, can withstand
`2004 current, can effectively avoid the large current impact caused by motorstall, resulting in burning the device
`on the motordrive board, causing the two-wheel balancecar to suddenly lose. Power can't work.
`
`The height of thesteering rocker canbe adjusted to the appropriate position according to the driver's height. The
`steering rocker has a folding and quick disassembly function, which is convenientfor storage in a relativelysmall
`space. The soft rubber material on the handle is not only beautiful, but also non-slip and increases the comfort of
`the driver.
`
`4.
`
`User-friendly display panel: It is divided into two parts. The LCD panel displays the current working status ofthe
`balancecar(driving mode), showing the remaining battery capacity, the mileage that can be driven, the speed of
`driving, etc.; there are also 7 LED indicators on the display panel. The lamp, in which the blue SLEDsare
`responsible for displaying the real-time car body posture, the red LED is a hazard warning light, and whenthe red
`light is on, the speakeralso emits an alarm sound, and the green LED is the workindicatorlight.
`
`oO
`
`Wireless control: The switch can be turned on and offwith a wireless remote control handle, and has an anti-theft
`
`alarm firnction.
`
`31-10-2019
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`4
`
`DGL Exhibit 1002
`Page 0415
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`DGL Exhibit 1002
`Page 0415
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`

`

`Turning the lights on and offwith a wireless remote control handle increases safety during night driving. The
`wireless remote control handle can change different driving madesin real time according to different drivers. The
`novice modeis the learning mode, which allows the driver who hasjust contacted the two-wheeled balance carto
`understand the functions of the two-wheeled balance car more quickly. Drive at a lowerspeed. The normal
`modeis all-terrain mode, and the vehicle speedis high, whichis suitable for driving onvarious roads.
`
`The steering mechanism can be designed as a cylindrical full-sealed structure, which not only has beautiful
`appeararice, but also reduces the occupied space. The steering mechanism is mainly responsible forthe direction
`control, and can rotate left and right along the axis, and the steering rocker can smoothly moveintheleft and
`right direction of the axis. With high elasticity. A potentiometeris installed inside the steering mechanism. When
`the driverrotates the rockerto the left and right of the axis, the potentiometer installed inside thesteering
`mechanism collects a linear voltage, and the logic control system collects the data and makes a calculation, and
`trarismits the result to the The drive circuit ofthe two motors controls the direction and speed of the motor
`rotation.
`
`The battery adopts lithium iron phosphate powerbattery, with high efficiency output, standard discharge is SD-
`GOC, continuous high current discharge can reach OC, and instantaneous pulse discharge (103} can reach 130A.
`It has an excellent cyclelife, and its discharge capacityis still greater than 95% after 1500cycles. The poweris fast,
`the cost is low, and there is no pollution to the environment.
`
`DRAWINGS
`
`Figure 1 Two-wheelself- balancingelectric vehicle structure diagram (1 ofwhich Handle, 1.1 handle handle, 2
`Retractable pole, 3 Locking device, 4 Turn the rocker, & Steering mechanism, G Fender, 7. Wheel, & Reducer,
`9 Display panel, 10 Power switch, 11. Foot pedal, 12 Battery, 13 Logic control circuit, 14 Motor, 15 Car body
`chassis};
`
`Figure 2is a block diagramof the working principle of two- wheel self- balancing electric vehicle.
`
`31-10-2019
`
`§&
`
`DGL Exhibit 1002
`Page 0416
`
`DGL Exhibit 1002
`Page 0416
`
`

`

`detailed description
`
`Example i
`
`The two-wheel self- balancing electric vehicle of the utility model comprises avehicle body chassis 15 a motor 14,
`a speed reducer 8 a battery 12 a wheel 7, a fender G afoot pedal 11, a display panel Ga logic control system, and
`a powerswitch. 10 Steering thejoystick and the remote control
`
`Theself- balancing electric vehicle is provided with twoleft and right wheels 7with a fender Gmounted onashaft
`connecting the left and right wheels 7 and a driving battery inside the chassis L5of the vehicle body. 12 Two
`motors 14, wherein the left and right wheels 7are respectively connected to amotor L4through a reducer & the
`car body chassis is a foot pedal 11 for supporting the humanbody; and the foot pedal 11 In the middleisa
`display panei 9 whichis respectively provided with an LCDliquid crystal display, an LED indicator and a power
`switch 10 and the display panel Qis internally provided with a logic control system.
`
`The logic control systemis composed of a power supply buck module, a motordrive circuit module, a
`microprocessorcircuit module, a gyroscope, an accelerationsensor circuit module, a wireless remote contro]
`module and a steering mechanism 5 whereinthe battery 1Zinside the chassis of the vehicle body respectively
`Powersupply buck module and motor drive circuit module; power buck module reduces voltage to Lay, Sv to
`supply microprocessorcircuit module, gyroscope,acceleration sensorcircuit module, wireless rernote control
`module; wireless remote control module receives remote control to send Thesignal, the microprocessor circuit
`module acquires the data of the gyroscope,the acceleration sensorcircuit module, the wireless remote contro!
`module, the steering mechanism 5, and analyzes and calculates, and outputs acommiand to the motor drive
`circuit module after calculation; the motor drive circuit module is based on the microprocessorcircuit module
`The commandis issued to respectively control the rotation direction of the two motors, the motor output power
`and the rotation speed; the steering mechanism Sis disposed at the front end of the foot pedal and connectedto
`the steering rocker, and a potentiometeris installed inside the steering mechanism 5 and the driveris along the
`axis Whenthe rockeris rotated, itis installed in the steering mechanism SThepotentiometer collects a linear
`voltage and sends the collected data to the microprocessor circuit module. The microprocessor circuit module
`makes a calculation and transmits the result to the two motor drive circuit modules respectivelyto drive the
`direction of motor rotation. And speed.
`
`Thesteering rocker is a retractable rocker, which is composedofa telescopic rod Z a locking device 3 a rocker4
`and ahandle 1. The rocker 4is connected with the telescopic rod 2 througha locking device 3 and thetelescopic
`
`31-10-2019
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`6
`
`DGL Exhibit 1002
`Page 0417
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`DGL Exhibit 1002
`Page 0417
`
`

`

`rod 2is A handle 1 with a handle sleeve 1.1 is provided at one end, and the other end ofthe rocker 4is connected
`to the steering mechanism 5
`
`‘The above embodiments are only intended to illustrate the technical concept and the features of the present
`invention, and the purpose of the present inventionis to enable those skilled in theart to understand the contents
`of the present invention and to implement the present invention, and the scope ofthe present invention is not
`limited thereto. Equivalent changes or modifications made in accordance with the spirit ofthe invention are
`intended to be included within thescope ofthe invention.
`
`31-10-2019
`
`7
`
`DGL Exhibit 1002
`Page 0418
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`DGL Exhibit 1002
`Page 0418
`
`

`

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`DGL Exhibit 1002
`Page 0419
`
`DGL Exhibit 1002
`Page 0419
`
`

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`DGL Exhibit 1002
`Page 0420
`
`DGL Exhibit 1002
`Page 0420
`
`

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