WO2017197725A1

WO2017197725A1 - Smart collapsible scooter

Info

Publication number: WO2017197725A1
Application number: PCT/CN2016/087264
Authority: WO
Inventors: 刘峰; 唐亮; 童稳康; 苏辉; 陈可
Original assignee: 南京快轮智能科技有限公司
Priority date: 2016-05-19
Filing date: 2016-06-27
Publication date: 2017-11-23
Also published as: CN105818912A; CN105818912B

Abstract

A smart collapsible scooter comprises a front scooter part (1) and a rear scooter part (2). The front scooter part (1) and the rear scooter part (2) are collapsibly connected to each other via a connecting plate (114). The front scooter part (1) comprises handles, an adjustable scooter handlebar (106), and a driving wheel (112). The handles are screwed and connected to two sides of a top end of the adjustable scooter handlebar (106). A front wheel fork is fixed at a bottom portion of the adjustable scooter handlebar (106). The driving wheel (112) can be rotatably installed to the front wheel fork. The rear scooter part (2) comprises a stand (204), a collapsible device (201), and a rear wheel (206). The collapsible device (201) is fixedly installed at a front portion of the stand (204), and comprises a collapsible foot pedal (202) disposed thereon. The connecting plate (114) is movably connected to the collapsible device (201). A rear portion of the stand (204) comprises a rear wheel mount. The rear wheel (206) can be rotably installed to the rear wheel mount. A battery securing device (115) and a controller (110) are disposed on the adjustable scooter handlebar (106). A replaceable battery pack (108) is installed at the battery securing device (115). The controller (110) and replaceable battery pack (108) are electrically connected to each other. The scooter is light and flexible, easy to collapse, easy to pack, has various functions, and provides favorable human-machine interaction.

Description

Intelligent folding scooter

Technical field

The invention belongs to the technical field of scooters, and in particular relates to an electric scooter, in particular to a portable and fully functional intelligent foldable electric scooter.

Background technique

With the development of the economy, environmental and energy issues are increasingly valued. Vehicles are an important factor affecting the environment and energy. Therefore, vehicles with low carbon environmental performance are increasingly favored by people. At present, electric energy has been widely used as a very clean and environmentally friendly energy source. In electric vehicles powered by electric vehicles, electric scooters are more popular as a short-distance vehicle. Fashion, power and portability have become important factors in the selection of electric scooters. Therefore, to build a popular electric scooter with excellent performance, you need to consider all of the above factors. The performance of electric scooters on the market is not good enough. Therefore, it is necessary to propose a small-sized intelligent electric scooter that is powerful, portable and foldable.

Summary of the invention

The object of the present invention is to provide an intelligent folding scooter. The overall structure of the scooter is ingenious, light and flexible, and the power battery pack can be quickly disassembled, can be separately charged, can be quickly folded in one second, is convenient to carry and store, and is convenient for towing and Parking, with multi-speed switching and cruise control, high intelligence, human-computer interaction.

In order to achieve the above object, the technical solution adopted by the present invention is an intelligent folding scooter including a front body and a rear body. The front body and the rear body are foldably connected by front and rear body connecting pieces, and the front body includes a handle and a car. Lifting rod and driving wheel, said handle The hand is screwed to both sides of the top end of the handlebar lifting rod, and the bottom of the handlebar lifting rod is fixedly provided with a front wheel fork member, the driving wheel is rotatably mounted on the front wheel fork member; the rear body includes a pedal a folding device and a rear wheel, the folding device is fixedly mounted on the front end of the pedal, the folding device is provided with a folding stepping member, the front and rear body connecting piece are movably connected to the folding device, and the rear end of the pedal is provided a rear wheel mount, the rear wheel is rotatably mounted on the rear wheel mount; the handlebar lifter is provided with a battery locking device and a controller, and a battery pack is mounted on the battery lock device. The controller is electrically connected to the removable battery pack.

As an improvement of the present invention, the driving wheel is provided with an in-wheel motor, a throttle and a brake are disposed between the handlebar lifting rod and the handle, and a switch is disposed on the handlebar lifting rod. The hub motor, throttle, brakes and switches are connected to the controller by wires.

As a modification of the present invention, the front body further includes a rotating middle sleeve disposed between the handlebar lifting rod and the front wheel fork, and the front and rear body connecting piece The number is two, one ends of the two front and rear body connecting pieces are fixedly connected to both sides of the rotating middle sleeve, and the other end is movably connected to the folding device, and the anti-rotation device is disposed in the rotating middle sleeve.

As an improvement of the present invention, the rear body further includes a foot support, a trailing wheel and a rear fender, and the foot support is disposed on a side wall of the pedal through a connecting member, the trailing wheel passes the wheel The mounting seat is mounted on the bottom of the front end of the pedal, and the rear fender is fixedly mounted on the rear end of the pedal and disposed above the rear wheel, and a brake pad is disposed on the inner side of the rear fender.

As an improvement of the present invention, the folding device comprises a folding mount and a folding a lifting rod, a rotating shaft, a lifting shaft, a folding movable shaft and a folding stepping shaft, the folding fixing seat is fixedly mounted on a front end of the pedal, and one end of the front and rear body connecting piece is movably connected to the folding fixing seat through a rotating shaft The other end is fixedly mounted on the rotating middle sleeve; the folding rod is mounted on the folding fixing seat by the lifting shaft of the lifting rod, and the folding stepping piece is mounted on one end of the folding lifting rod by the folding stepping shaft; the folding activity The shaft is coupled to the rotating shaft by a movable shaft tension spring, and the other end of the folding rod is coupled to the folding base by a tension spring.

As an improvement of the present invention, the removable battery pack includes a battery and a battery pack casing enclosing the battery, and the battery pack casing is provided with a lock switch button, and a battery is fixed inside the battery pack casing. a cover of the group, one end of the lock switch button passes through the inner cover of the battery pack, and a lock member is disposed on the inner side of the cover of the battery pack, and the lock switch button is fixedly connected with the lock member, in the battery pack A hook member is fixedly mounted on the cover, the lock member and the hook member are exposed on one side of the inner cover of the battery pack; the battery locking device includes a battery mounting portion, and the battery mounting portion is provided with a locking member The hole and the hook member pass through the hole, and the back of the battery mounting portion is mounted with a battery mounting metal piece, and the battery mounting metal piece is provided with a locking groove adapted to the through hole of the locking member and adapted to the through hole of the hook member. Hook the slot.

As an improvement of the present invention, the anti-rotation device is disposed under the controller and disposed inside the rotating middle sleeve, and the anti-rotation device includes an anti-rotation switch, an anti-rotation shaft, an anti-rotation shaft fixing member and a magnet. The anti-rotation shaft fixing member is an S-shaped open-hole iron piece, and the anti-rotation shaft sleeve is sleeved on an upper step of the opening iron piece, and the magnet is disposed on the lower second and third steps of the opening iron piece. The anti-rotation switch is connected to the anti-rotation shaft by a long screw; The magnet is sucked on the upper part or the lower part of the anti-rotation shaft fixing member, and the anti-rotation shaft can be extended or retracted; when the anti-rotation switch is pushed up, the anti-rotation shaft is jacked up and snapped into the bottom of the controller. Slot, the body does not rotate before locking, and the anti-rotation shaft is retracted when the anti-rotation switch is turned down.

As a modification of the present invention, the handlebar lifting rod comprises a first tube, a diode tube and a third tube, the first tube has a T-shape, and the first tube is inserted in the diode. One end, and the locking between the first and second tubes is realized by the quick release device, the other end of the diode is provided with internal threads, the upper end of the third tube is provided with external threads, and the second and third tubes are threaded. The connection is locked, and the three-stage tube passes through the rotating middle sleeve, and can rotate freely in the rotating middle sleeve, and the rotating middle sleeve connects the front and rear body connecting pieces. The throttle and the brake sleeve are disposed at two ends of the T-shaped cross tube of the first-stage tube, the battery locking device is disposed on the diode, and the anti-rotation device is disposed in the rotating middle sleeve.

As an improvement of the present invention, the controller includes a main control chip, a power supply arc suppression circuit, a DC/DC conversion circuit, a signal acquisition circuit, a PWM drive motor circuit, and a Bluetooth circuit, and the power supply arc suppression circuit and the DC/DC The conversion circuit is connected, the DC/DC conversion circuit is connected to the main control chip, and the signal acquisition circuit, the PWM drive motor circuit and the Bluetooth circuit are all connected with the main control chip; the main control chip is implemented by the STM32 single chip.

As an improvement of the present invention, the controller adopts a four-layer PCB board structure, the first layer of the PCB board is a power arc-extinguishing circuit layer, the second layer is a control layer of the main control chip, and the third layer is a driving hub motor. The three-phase drive layer and the fourth layer are the chip MOS tube layers. The controller is compact, compact and has good electromagnetic compatibility.

Compared with the prior art, the present invention at least includes the following advantages and benefits: 1) The overall structure of the intelligent folding scooter is ingenious, light and flexible, and the components are easy to disassemble, assemble, repair and replace. The structure of the vehicle is simple and fashionable, and the folding operation is simple, easy to carry and place. 2) Connect the front and rear bodies of the scooter through the front and rear body connecting pieces and the folding fixing seat, and the connection is firm and firm, and the folding lever used together with the front and rear body connecting pieces and the folding stepping piece provided at the end of the folding rod can be used. It can realize the fast folding bike's front body to the rear body with only one foot. It has the advantages of one-second folding and one-second deployment, and the folding is quick and convenient. 3) The battery locker and the removable battery pack set on the front body can be used to attach the detachable battery pack for powering the whole vehicle to the front body. It is very convenient to disassemble and assemble, and it is convenient to remove the battery pack and charge separately. At the same time, it is also convenient to replace the battery pack to increase the battery life. In addition, the battery pack can also be used as a mobile power source. 4) Since the rear body pedal is provided with the foot support and the tow wheel at the same time, it is convenient for parking and convenient to tow, and the traction force of the user can be effectively reduced when the vehicle is towed, thereby saving the user's physical exertion; The height of the handlebar lifting rod is adjusted according to the height of the user, and after the height of the handlebar lifting rod is adjusted, the height can be locked by the quick release device, so that the height of the handle is always in a comfortable state. 5) When the whole vehicle is in the erected state, the front body can realize 360° rotation around the rotating middle sleeve, and in the folded state, the anti-rotation switch on the anti-rotation device set on the rotating middle sleeve can be toggled upward To lock the front body for easy towing and storage.

Other advantages, objects, and features of the invention will be set forth in part in the description in the description which

DRAWINGS

FIG. 1 is a schematic structural view of an intelligent folding scooter according to an embodiment of the present invention.

2 is a cross-sectional view of a front body of a smart folding scooter according to an embodiment of the present invention.

FIG. 3 is a schematic structural view of a smart folding scooter in a folded state according to an embodiment of the present invention.

4 is a schematic view of a smart folding scooter in a towed manner according to an embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a rotating middle sleeve and an anti-rotation device on a smart folding scooter according to an embodiment of the present invention.

FIG. 6 is a schematic side view showing the side mounting structure of the front and rear body connecting piece and the folding device on the intelligent folding scooter according to an embodiment of the present invention.

FIG. 7 is a schematic structural view of a removable battery and a battery locking device on a smart folding scooter according to an embodiment of the present invention.

In the picture: 1-front body, 101-switch, 102-brake, 103-left handle, 104-throttle, 105-right handle, 106-handle lifter, 1061-level tube, 1062-diode, 1063 -Three-stage tube, 107- quick release device, 108-removable battery pack, 1081-lock switch button, 1082-charge socket, 1083-electric three-level display light, 1084-charge display trigger button, 1085-USB output Interface, 109-front decorative cover, 110-controller, 111-rotating middle bushing, 112-drive wheel, 113-anti-rotation switch, 1131-anti-rotation shaft, 1132-anti-rotation shaft fixing, 1133-magnet, 114-front Body connecting piece, 115-battery locking device, 1151-locking piece through hole, 1152-hook piece through hole; 2-back body, 201-folding device, 2011-folding seat, 2012-folding lever, 2013- Rotating shaft, 2014-folding movable shaft, 2015-folding motion track slot, 2016-PU sleeve, 2017-lifting rotary shaft, 202-folding stepping piece, 203-foot support, 204-pedal, 205-rear fender and Foot brake, 206-rear wheel, 207-trailer.

detailed description

In order to deepen the understanding and understanding of the present invention, the present invention will be further developed in conjunction with the accompanying drawings. The detailed description of the steps can be implemented by those skilled in the art with reference to the text of the specification.

It is to be understood that the terms "having", "comprising" and "comprising" are used in the <RTIgt;

As shown in FIG. 1, an intelligent folding scooter includes a front body 1 and a rear body 2, and the front body 1 and the rear body 2 are foldably connected by a front and rear body connecting piece 114, and the front body 1 includes a handle and a handlebar. a lifting rod 106 (or a steering rod) and a driving wheel 112, the handle is screwed to both sides of the top end of the handlebar lifting rod 106, and the bottom of the handlebar lifting rod 106 is fixedly provided with a front wheel fork member, the driving The wheel 112 is rotatably mounted on the front wheel fork member. The handlebar lifting rod 106 is provided with a battery locking device 115 and a controller 110. The battery locking device 115 is mounted with a removable battery pack 108. The controller 110 is electrically connected to the removable battery pack 108. . An electric hub 104 and a brake 102 are disposed between the handlebar lifting rod 106 and the handle, and a switch 101 is disposed on the handlebar lifting rod 106. The hub motor is disposed on the driving wheel 112. The throttle 104, the brake 102 and the switch 101 are each connected to the controller 110 by wires.

In addition, the front body 1 further includes a rotating middle sleeve 111 and an anti-rotation device, and the rotating middle sleeve 111 is disposed outside the three-stage pipe 1063, and the number of the front and rear body connecting pieces 114 is two, two One end of the front and rear body connecting piece 114 is fixedly coupled to the rotating middle bushing 111, and the other end is movably coupled to the folding device 201, and the anti-rotation device is disposed inside the rotating middle bushing 111.

Specifically, as shown in FIG. 2, the handlebar lifting rod 106 includes a first-stage tube 1061, a diode 1062, and a third-stage tube 1063. The first-stage tube 1061 has a T-shape, and the first-stage tube 1061 Inserted at one end of the diode 1062, the other end of the diode 1062 The first tube 1061 can be moved up and down in the diode 1062 by being threaded outside the third tube 1063. A quick release device 107 is provided between the primary pipe 1061 and the secondary pipe 1062 for locking the primary pipe 1061 in the secondary pipe 1062. In use, the vehicle rider can adjust the height of the first body tube 1061 within the secondary tube 1062 according to the height to make the height of the front body 1 at a height suitable for the rider to ride. A left handle 103 and a right handle 105 are threadedly connected to both ends of the horizontal tube 1061. The throttle 104 is sleeved between the first tube 1061 and the right handle 105, and the brake 102 is sleeved on the left handle 103. Between the first tube 1061. And a vehicle switch 101 is embedded in the middle position of the first-stage pipe 1061. The throttle 104, the brake 102 and the switch 101 are connected to the controller 110 by wires, wherein the wires are from the first-stage pipe 1061. The 1062 and the three-stage tube 1063 pass through, and the whole vehicle wire is not exposed, which not only improves the appearance but also protects the wire from being broken. The battery locking device is disposed on the diode 1062, and the rotating middle sleeve 111 is disposed on the tertiary tube 1063. The rotating middle sleeve 111 has a through hole through which the third-stage tube 1063 passes, and the direction control of the entire front body 1 can realize 360° rotation in the rotating middle sleeve 111 through the first, second and third-stage tubes, and enhance the vehicle. Playability.

As shown in FIG. 7, the battery locking device 115 includes a battery mounting portion, and a front decorative cover 109 is disposed at a front portion of the diode 1062, and the battery mounting portion can be disposed as a rear decorative cover on the diode 1062. The rear portion, and in order to conform to the shape of the diode 1062, the shape of the battery mounting portion is set to be curved. The battery mounting portion is provided with a locking member through hole 1151 and a hook member through hole 1152, and a battery mounting metal piece is mounted on the back of the battery mounting portion for receiving the hanging force of the removable battery pack 108. To reduce the pressure on the battery installation. The battery-mounted metal piece is specifically mounted on the back of the battery mounting portion. Inside the slot, and fixed to the diode 1062 by screws. The battery mounting metal piece is provided with a locking groove adapted to the locking member through the hole 1151 and a hook groove adapted to the hook member through the hole 1152.

As shown in FIG. 7, the removable battery pack 108 includes a battery and a battery pack casing enclosing the battery, and a lock switch button 1081 is disposed on the battery case, and a battery pack is fixed in the battery case. a cover, one end of the lock switch button 1081 passes through the inner cover of the battery pack, and a lock member is disposed on the inner side of the cover of the battery pack, and the lock switch button 1081 is fixedly connected with the lock member, and the lock switch is A spring is disposed between the button 1081 and the locking member, and a hook member is fixedly mounted on the cover of the battery pack, and the locking member and the hook member are exposed on one side of the inner cover of the battery pack.

The installation process of the removable battery pack 108 is: inserting the locking member into the locking member through the hole 1151, and then pressing down along the length of the battery, and guiding the chamfer between the locking member and the locking groove. The locking member tension spring is moved forward by a distance and is inserted into the locking groove, and then the locking member is retracted under the elastic force of the spring, but the locking member cannot move up and down due to the slot limit of the locking groove. Moreover, since the hook member is mounted on the hook groove and cannot move back and forth, the complete constraint of the battery pack is achieved.

When the removable battery pack 108 is disassembled, the lock switch button 1081 is pressed by the finger in the direction of the spring to drive the lock member to move forward, and the card slot of the lock slot is misaligned. At this time, the battery pack is pulled up forcefully. The locking member will move to the upper part of the locking groove, and the hook member also moves to the upper portion of the hook groove. At this moment, the battery pack is moved backwards to a space to completely separate the battery pack from the vehicle body, and the battery pack can be taken out to complete the disassembly. process.

In addition, the battery pack housing of the removable battery pack 108 shown in FIG. 7 is further provided with The power level three display light 1083, the power display trigger button 1084, the charging socket 1082, and the USB output interface 1085. After the battery level display trigger button 1084 is pressed, the remaining battery power can be read from the power level three-level display lamp 1083. Plugging the charger into the charging jack 1082 can charge the battery pack, and the smart device can be connected to the USB output interface 1085 via a USB charging cable, where the battery pack is equivalent to a mobile power source to charge the smart device.

As shown in FIG. 1, the anti-rotation device is disposed under the controller 110 and disposed inside the rotating sleeve 111, and a certain anti-rotation recess is left between the controller 110 and the anti-rotation device. groove. Specifically, as shown in FIG. 5, the anti-rotation device includes an anti-rotation switch 113, an anti-rotation shaft 1131, an anti-rotation shaft fixing member 1132, and a magnet 1133. The anti-rotation shaft fixing member 1132 is an S-shaped open-hole iron piece, The anti-rotation shaft 1131 is inserted into the opening of the anti-rotation shaft fixing member 1132. The magnet 1133 is disposed on the lower second and third steps of the perforated iron piece, and the anti-rotation switch 113 is a button-shaped member, and is passed through a long screw and an anti-rotation. The rotating shaft is connected; the magnet 1133 is sucked on the upper or lower part of the anti-rotation shaft fixing member 1132, and the anti-rotation shaft 1131 can be extended or retracted; when the anti-rotation switch 113 is pushed up, the anti-rotation shaft 1131 is jacked up and stuck. The anti-rotation groove of the bottom of the controller 110 is inserted, and the front body 1 does not rotate before being locked, and when the anti-rotation switch 113 is pushed down, the anti-rotation shaft 1131 is retracted. After the front body 1 is folded back to the rear body 2 and the handlebars (including the steering rod and other components disposed thereon) are locked by the anti-rotation switch 113, the removable battery pack 108 can be dragged by hand, thereby enabling From the body. When dragging, the left handle 103 or the right handle 104 is dragged. After the anti-rotation device is turned on, the entire body is relatively stable, and relative rotation between the front and rear bodies does not occur.

As shown in FIG. 1, the rear body 2 includes a pedal 204, a folding device 201, and a rear wheel 206, and the folding device 201 is fixedly mounted at the front end of the pedal 204, the folding device 201 is provided with a folding step 202, the front and rear body connecting piece 114 is movably connected to the folding device 201, the rear end of the pedal 204 is provided with a rear wheel mounting seat, and the rear wheel 206 is rotatably mounted on the rear wheel mounting On the seat. In addition, in actual use, an anti-skid device may be provided on the stepping portion of the pedal 204 to prevent the rider from falling over the pedal 204. The setting of the anti-skid device is specifically determined according to actual needs, and is not limited herein.

In addition, the rear body 2 further includes a foot support 203, a trailing wheel 207 and a rear fender 205. The foot support 203 is movably connected to the pedal 204 by a connecting member disposed on the side wall of the pedal 204. The setting greatly improves the convenience of parking the whole vehicle, and can be parked anytime and anywhere, thereby improving the convenience of riding. As shown in FIG. 4, the trailing wheel 207 is rotatably mounted on the front end of the pedal 204 by a wheel mount. For the convenience of towing, the trailing wheel 207 can be specifically disposed at an intermediate position at the bottom of the pedal 204. As shown in the trailing angle of Figure 4, the trailing wheel 207 is first landed for easy towing. The rear fender 205 is fixedly mounted at the rear end of the pedal 204 and covers the top of the rear wheel 206. A brake pad is disposed on the inner side of the rear fender 205, and the rear fender 205 is mounted on the pedal through the shaft. At 204, the shaft can be rotated to a certain extent. When the rear fender 205 is depressed, the inner brake pad and the rear wheel 206 are rubbed to achieve the purpose of braking.

Specifically, as shown in FIG. 6, the folding device 201 includes a folding fixing seat 2011, a folding lifting rod 2012, a rotating shaft 2013, a lifting rod rotating shaft 2017, a folding movable shaft 2014, and a folding stepping member 202 shaft. The seat 2011 is fixedly mounted on the front end of the pedal 204, and one end of the front and rear body connecting piece 114 is movably coupled to the folding mount 2011 via the rotating shaft 2013 and the folding movable shaft 2014, and the other end is fixedly mounted on the rotating middle sleeve 111. The folding lifter 2012 is mounted on the folding mount by the lift shaft 2017 In 2011, the folding stepping member 202 is axially mounted on one end of the folding lifting rod 2012 by a folding stepping member 202, and one end of the front and rear body connecting piece 114 is also movably coupled to the folding movement track slot provided on the folding fixing seat 2011 by the folding movable shaft 2014. 2015. The folding movable shaft 2014 is coupled to the rotating shaft 2013 by a movable shaft tension spring, and the other end of the folding lifter 2012 is coupled to the folding mount 2011 by a lifter spring.

Through the folding device 201 described above, the front and rear body can be quickly folded and folded, without bending, and the folding operation can be triggered only by the foot step, thereby achieving one second folding and one second deployment, thereby improving the convenience of the scooter. The specific folding and unfolding operation is: when folding, when the folding stepping member 202 is pressed by a single foot, the folding movable shaft 2014 lifts the folding movable shaft 2014 along the mounting waist hole on the front and rear body connecting piece 114, thereby moving forward. The body 1 is folded back to the rear body 2, and the folding movable shaft 2014 is moved to the rear end of the groove along the trajectory set on the movable shaft movement track groove, and the folding movable shaft 2014 is engaged by the pulling force of the lifting rod spring. Into the recess of the folding rod 2012, so that the folding movable shaft 2014 is in a locked state to achieve a stable folding effect (as shown in FIG. 3). When unfolding, when the folding pusher 201 drives the folding lifter 2012 to move the lever rotating shaft 2013 as the axial center and disengages the folding movable shaft 2014 from the recess of the folding lifter 2012, the folded folding lever 2012 is folded. The force of the movable shaft 2014 disappears and the folding movable shaft 2014 is in an active state, and the front body 1 lifts the front and rear body connecting piece 114 to the front end of the movable shaft movement track groove through the folding movable shaft 2014 through the folding movable shaft 2014. In the bayonet, the front and rear bodies are finally separated and reach a stable unfolded state.

In addition, a PU sleeve 2016 is fixedly disposed at a front end of the folding fixture 2011, and an arcuate notch corresponding to the PU sleeve 2016 is formed on an outer sidewall of the front and rear body connecting piece 114. When the front body 1 is in the unfolded state, the front and rear body connecting pieces 114 are placed on the PU sleeve 2016, so that the front and rear body connecting pieces 114 are in a stable state on the folding seat 2011 by the elasticity of the PU sleeve 2016 being compressed.

Further, the controller 110 includes a main control chip, a power arc suppression circuit, a DC/DC conversion circuit, a signal acquisition circuit, a PWM drive motor circuit, and a Bluetooth circuit, and the power arc suppression circuit is connected to the DC/DC conversion circuit. The DC/DC conversion circuit is connected to the main control chip, and the signal acquisition circuit, the PWM drive motor circuit and the Bluetooth circuit are all connected to the main control chip. The power arc-extinguishing circuit is used to prevent a large arc from occurring when the removable battery pack 108 is inserted and removed to protect the rider's personal safety. The DC/DC conversion circuit converts the power supply voltage generated by the removable battery pack 108 into a voltage including values of 12V, 5V, and 3.3V to supply power to the respective functional circuits on the controller 110. The signal acquisition circuit collects the motor Hall signal, the switch signal and other transmission signals in real time, and contributes to realize intelligent and precise motion control. The PWM drive motor circuit outputs a PWM pulse signal for driving the hub motor. The Bluetooth circuit is used for driving and controlling Bluetooth, and communicates with the mobile terminal through Bluetooth, so that the mode switching function can be implemented on the mobile terminal, and the current speed, the current mileage, the total mileage, the remaining power, the running status, and the firmware update are monitored in real time. Wait for the operation. The functions implemented in the mobile terminal can be implemented by using related software programming in the prior art, which is not limited herein. The main control chip is implemented by STM32 single-chip microcomputer, and can also be implemented by FPGA or DSP with similar performance to STM32 single-chip microcomputer.

Further, the controller 110 adopts a four-layer PCB board structure, the first layer of the PCB board is a power arc-extinguishing circuit layer, the second layer is a control layer of the main control chip, and the third layer is a three-phase driving of the driving hub motor. Layer, the function is to drive six bridge arm MOS tubes with discrete components, The fourth layer is a chip MOS tube layer, which is to separately route the six bridge arm MOS tubes in the third layer, thereby improving the compatibility of the PCB board, reducing the space of the circuit board and reducing the board volume.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the embodiments. It can be applied to a wide variety of fields suitable for the present invention. Additional modifications can be readily implemented by those skilled in the art. Therefore, the invention is not limited to the specific details and the illustrated and illustrated examples herein, without departing from the scope of the claims.

Claims

An intelligent folding scooter characterized by comprising a front body and a rear body, the front body and the rear body being foldably connected by a front and rear body connecting piece, the front body comprising a handle, a handlebar lifting rod and a driving wheel, The handle is screwed to both sides of the top end of the handlebar lifting rod, and the bottom of the handlebar lifting rod is fixedly provided with a front wheel fork member, the driving wheel is rotatably mounted on the front wheel fork member; the rear body includes a pedal a folding device and a rear wheel, the folding device is fixedly mounted on the front end of the pedal, the folding device is provided with a folding stepping member, the front and rear body connecting piece are movably connected to the folding device, and the rear end of the pedal is provided a rear wheel mount, the rear wheel is rotatably mounted on the rear wheel mount; the handlebar lifter is provided with a battery locking device and a controller, and a battery pack is mounted on the battery lock device. The controller is electrically connected to the removable battery pack.
The intelligent folding scooter according to claim 1, wherein the driving wheel is provided with an in-wheel motor, and a throttle and a brake are disposed between the handlebar lifting rod and the handle, in the vehicle. A switch is provided on the lifting rod, and the hub motor, the throttle, the brake and the switch are connected to the controller by wires.
A smart folding scooter according to claim 1, wherein said front body further comprises a rotating middle sleeve and an anti-rotation device, said rotating middle sleeve being disposed on the handlebar lifting rod and the front wheel fork The number of the front and rear body connecting pieces is two, one ends of the two front and rear body connecting pieces are fixedly connected to the rotating middle sleeve, and the other end is movably connected to the folding device, and the anti-rotation device is disposed at The two front and rear body connecting pieces are connected to the rotating middle bushing.
A smart folding scooter according to claim 1 wherein said rear The vehicle body further includes a foot support, a trailing wheel and a rear fender, and the foot support is disposed on a side wall of the pedal through a connecting member, and the trailing wheel is rotatably mounted on the bottom of the front end of the pedal through the wheel mount. The rear fender is fixedly mounted at the rear end of the pedal and disposed at the top of the rear wheel, and a brake pad is disposed on the inner side of the rear fender.
A smart folding scooter according to any one of claims 1 to 4, wherein the folding device comprises a folding fixing seat, a folding lever, a rotating shaft, a lifting shaft, a folding movable shaft and a folding stepping a folding shaft fixedly mounted on a front end of the pedal, one end of the front and rear body connecting piece is movably connected to the folding fixing seat by a rotating shaft, and the other end is fixedly mounted on the rotating middle sleeve; the folding rod Mounted on the folding mount by a lever rotating shaft, the folding step is mounted on one end of the folding lever by a folding step shaft; the folding movable shaft is coupled to the rotating shaft by a movable shaft tension spring, the folding lever The other end is coupled to the folding mount by a tension spring.
A smart folding scooter according to claim 5, wherein said removable battery pack comprises a battery and a battery pack casing enclosing the battery, and a lock switch button is disposed on said battery pack casing; A battery pack inner cover is fixedly disposed inside the battery pack casing, and one end of the lock switch button passes through the inner cover of the battery pack, and a lock member is disposed on the inner side of the cover of the battery pack, and the lock switch button and the lock are a fastener is fixedly connected, and a hook member is fixedly mounted on the cover of the battery pack, the lock member and the hook member are exposed on one side of the inner cover of the battery pack; the battery locking device includes a battery mounting portion, The battery mounting portion is provided with a locking member through hole and a hook member through hole, and a battery mounting metal piece is mounted on the back of the battery mounting portion, and the battery mounting metal piece is provided with a lock corresponding to the locking member through hole a tight groove and a hook groove adapted to the through hole of the hook member.
A smart folding scooter according to claim 6, wherein the anti-rotation device is disposed under the controller and disposed inside the rotating middle sleeve, and the anti-rotation device includes an anti-rotation switch and an anti-rotation device. a rotation shaft, an anti-rotation shaft fixing member and a magnet, wherein the anti-rotation shaft fixing member is an S-shaped open-hole iron piece, the anti-rotation shaft sleeve is sleeved on an upper step of the opening iron piece, and the magnet is disposed in the opening hole The anti-rotation switch is connected to the anti-rotation shaft on the lower second and third steps of the iron piece; the magnet is sucked on the upper or lower part of the anti-rotation shaft fixing member, and the anti-rotation shaft can be extended or retracted; When the anti-rotation switch is toggled, the anti-rotation shaft is jacked up and snapped into the bottom groove of the controller, and the front body does not rotate before the lock, and the anti-rotation shaft is retracted when the anti-rotation switch is turned down.
The intelligent folding scooter according to claim 7, wherein the handlebar lifting rod comprises a first tube, a second tube and a third tube, and the first tube has a T-shape, The first-stage tube is inserted at one end of the diode, and the locking between the first and second tubes is realized by the quick-release device, the other end of the diode is provided with an internal thread, and the upper end of the third-stage tube is provided with an external thread. The second and third tubes are connected and locked by threads. The third tube passes through the rotating middle sleeve and can rotate freely in the rotating middle sleeve. The rotating middle sleeve connects the front and rear body connecting pieces; the throttle and the brake sleeve are The battery locking device is disposed on the two ends of the T-shaped horizontal tube of the first-stage tube, and the anti-rotation device is disposed in the rotating middle sleeve.
The intelligent folding scooter according to claim 8, wherein the controller comprises a main control chip, a power arc suppression circuit, a DC/DC conversion circuit, a signal acquisition circuit, a PWM drive motor circuit, and a Bluetooth circuit. The power arc-extinguishing circuit is connected to a DC/DC conversion circuit, and the DC/DC conversion circuit is connected to the main control chip, and the signal acquisition circuit, the PWM drive motor circuit and the Bluetooth circuit are all connected to the main control chip.
The intelligent folding scooter according to claim 9, wherein the controller adopts a four-layer PCB structure, the first layer of the PCB is a power arc-extinguishing circuit layer, and the second layer is controlled by a main control chip. The third layer is a three-phase driving layer for driving the hub motor, and the fourth layer is a chip MOS tube layer.