CN210302387U - Electric scooter - Google Patents

Electric scooter Download PDF

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Publication number
CN210302387U
CN210302387U CN201920142571.7U CN201920142571U CN210302387U CN 210302387 U CN210302387 U CN 210302387U CN 201920142571 U CN201920142571 U CN 201920142571U CN 210302387 U CN210302387 U CN 210302387U
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China
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pedal
platform
electric scooter
area
pedaling
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CN201920142571.7U
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Chinese (zh)
Inventor
应佳伟
肖科平
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Hangzhou Chic Intelligent Technology Co Ltd
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Hangzhou Chic Intelligent Technology Co Ltd
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Abstract

The utility model provides an electric scooter, which comprises a pedal platform and at least three wheels, wherein at least one is a universal wheel and is arranged below the pedal platform corresponding to a first pedal area, and at least one is a driving wheel and is arranged below the pedal platform corresponding to a second pedal area; the stress sensing device is arranged on the first and/or second pedal area, the control device is arranged on the pedal platform, and the power supply is electrically connected with the control device and the pedal platform; the control device is used for controlling the driving wheel to move according to the detected stress information. This electric scooter turning radius is littleer, and controls more freely, has solved the big technical problem of current rodless electric scooter turning radius.

Description

Electric scooter
Technical Field
The utility model relates to an electric scooter technical field particularly, relates to an electric scooter.
Background
The operation mode of the rodless electric scooter in the current market is that a driver stands on a scooter pedal platform, the pedal platform inclines, different angles of inclination are realized according to the requirements of the driver, but the turning included angle of the scooter is set to be very small, so that the turning radius is very large; in addition, the pedal area of the rodless electric scooter is limited and fixed, so that the use of various people is inconvenient, and the use range of the scooter is reduced.
To sum up, the technical problem that the turning radius of the existing rodless electric scooter is large.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an electric scooter to solve the big technical problem of current rodless electric scooter turning radius.
According to an aspect of the present invention, there is provided an electric scooter, comprising a foot platform and a wheel assembly disposed under the foot platform, wherein the foot platform comprises a first foot region and a second foot region, the wheel assembly comprises at least three wheels, at least one of which is a universal wheel and at least one of which is a driving wheel; the universal wheels are arranged below the pedal platforms corresponding to the first pedal area, and the driving wheels are arranged below the pedal platforms corresponding to the second pedal area; the stress sensing device is arranged on the pedal platform corresponding to the first pedal area and/or the second pedal area and used for detecting stress information of the corresponding pedal area; the control device is arranged on the pedal platform, is connected with the stress sensing device and is used for controlling the driving wheel to move according to the detected stress information; and the power supply is arranged on the pedal platform and is electrically connected with the stress sensing device and the control device.
Further, pedal platform includes first pedal platform and second pedal platform, first pedal platform includes first pedal region, second pedal platform includes second pedal region, first pedal platform with second pedal platform passes through a connecting piece and connects, the connecting piece is telescopic connection spare, first pedal platform with second pedal platform passes through the connecting piece extends or shortens.
Further, the force sensing device is an inclination sensing device for detecting an inclination angle of the corresponding pedaling region as force information.
Furthermore, the first treading area and the second treading area can rotate relatively, the stress sensing device is arranged on the treading platform corresponding to the first treading area or the second treading area, and the control device adjusts the rotating speed of the driving wheel according to the inclination angle.
Furthermore, the first treading area and the second treading area can rotate relatively, the stress sensing device is arranged on the treading platform corresponding to the first treading area and the second treading area, and the control device adjusts the rotating speed of the driving wheel according to the two inclination angles of the two treading areas.
Furthermore, the inclination angle comprises a left inclination angle, a right inclination angle and/or a front inclination angle and a rear inclination angle, at least two driving wheels are arranged below the pedal platform corresponding to the second pedal area, and the controller is used for controlling the driving wheels to rotate at different speeds according to the left inclination angle and the right inclination angle so as to control the electric scooter to turn; the controller is used for controlling and driving the driving wheels to accelerate or decelerate according to the front and back inclination angles.
Furthermore, the stress sensing device further comprises a pressure sensing device for detecting the pressure distribution condition applied to the corresponding pedal area as stress information, and the controller is used for controlling and adjusting the rotation direction of the driving wheel according to the stress information.
Further, the stress sensing device is a pressure sensing device and is used for detecting the pressure distribution condition received by the corresponding pedal area as stress information.
Furthermore, the number of the pressure sensing devices is at least two, the pressure sensing devices are respectively arranged on the first pedal area and the second pedal area, and the control device controls the driving wheel according to the pressure difference detected by the pressure sensing devices.
Furthermore, the pressure sensing devices at least comprise three pressure sensing devices, wherein at least one pressure sensing device is arranged in one pedal area, at least two pressure sensing devices are arranged in the other pedal area, the pressure distribution condition comprises a left pressure distribution condition and a right pressure distribution condition, and the control device is used for controlling and driving the driving wheels to rotate at different speeds according to the left pressure distribution condition and the right pressure distribution condition so as to control turning; the pressure distribution condition comprises a front and rear pressure distribution condition, and the control device is used for controlling the acceleration and deceleration or the rotation direction of the driving wheel according to the front and rear pressure distribution condition.
In the above embodiment, the electric scooter comprises a pedal platform including two pedal areas and at least three wheels disposed thereunder, wherein at least one is a universal wheel disposed below the pedal platform corresponding to the first pedal area, and at least one is a driving wheel disposed below the pedal platform corresponding to the second pedal area; the stress sensing device is arranged on the pedal platform corresponding to the first and/or second pedal area, the control device is arranged on the pedal platform, and the power supply is electrically connected with the pedal platform and the control device; the control device is connected with the stress sensing device and used for controlling the driving wheel to move according to the detected stress information. This electric scooter includes at least one universal wheel and at least one drive wheel, and electric scooter turning radius is littleer, and controls the motion of drive wheel according to the regional atress information of pedal, controls more freely, has solved the big technical problem of current rodless electric scooter turning radius, has improved electric scooter's user experience degree.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of an alternative electric scooter according to an embodiment of the present invention;
fig. 2 is an exploded view of an alternative electric scooter according to an embodiment of the present invention;
FIG. 3 is a schematic view of an alternative second wheel assembly of the electric scooter according to an embodiment of the present invention;
FIG. 4 is a schematic side cross-sectional view of a second wheel assembly of an alternative electric scooter according to an embodiment of the present invention;
FIG. 5 is an exploded view of an alternative electric scooter's second wheel assembly, according to an embodiment of the present invention;
fig. 6 is a schematic view of an alternative electric scooter with a clamping assembly in an unclamped state according to an embodiment of the present invention;
FIG. 7 is a schematic side cross-sectional view of a clamping assembly of an alternative electric scooter according to an embodiment of the present invention;
fig. 8 is a schematic view of an alternative electric scooter with a pressing assembly in a pressing state according to an embodiment of the present invention.
Reference numerals:
1 a first foot platform; 10 a first wheel assembly; 101 universal wheels; 11 a first base; 12 a first upper cover; 13 a first vehicle light; 2 a second foot platform; 20 a second wheel assembly; 21 a second base; 22 a second upper cover; 23 a second vehicle light; 201 driving wheels; 3. a telescopic connecting piece; 31. a slide bar; 41 a first hold-down assembly; 411 a bushing; 412 press the handle; 413 a press plate; 414 pin shaft; 42 a second compression assembly; 202 a second bracket; 203 a first support; 204/205/206 a resilient member; 51 a main control board; 52 a battery pack; 53 pressure sensing means.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The turning included angle of the existing rodless electric scooter is considered to be very small, so that the turning radius is very large. To the root cause that produces above-mentioned technical problem, this application considers can be through setting up at least three wheel in electric scooter's pedal platform below, wherein include at least one universal wheel and at least one drive wheel, and electric scooter turning radius is littleer, and controls the motion of drive wheel according to the regional atress information of pedal on the pedal platform, controls more freely.
Based on the thought, the embodiment of the application provides an electric scooter, which comprises a pedal platform and a wheel assembly arranged below the pedal platform, wherein the pedal platform comprises a first pedal area and a second pedal area, the wheel assembly comprises at least three wheels, at least one of the wheels is a universal wheel, and at least one of the wheels is a driving wheel; the universal wheel is arranged below the pedal platform corresponding to the first pedal area, and the driving wheel is arranged below the pedal platform corresponding to the second pedal area;
the stress sensing device is arranged on the pedal platform corresponding to the first pedal area and/or the second pedal area and used for detecting stress information of the corresponding pedal area;
the control device is arranged on the pedal platform, is connected with the stress sensing device and is used for controlling the driving wheel to move according to the detected stress information;
and the power supply is arranged on the pedal platform and is electrically connected with the stress sensing device and the control device.
It should be noted that the above embodiments are described as being disposed "on" the foot platform, and are to be interpreted broadly, and not limited to being disposed above the foot platform, but also disposed below the foot platform or within the foot platform. It will be appreciated that other objects may be used to indirectly contact the foot platform corresponding to the foot rest area, which may also be referred to as being "on" the foot platform.
Specifically, the force information in the above embodiment includes information of the acting force to which the foot rest area is subjected, such as pressure information; the information of the inclination angle of the pedal area due to the acting force, such as the inclination angle of the intelligent scooter due to the acting force of the feet of the rider, which inclines left and right, is also included; for example, the intelligent scooter is inclined forwards and backwards or inclined upwards and downwards due to the fact that the intelligent scooter is subjected to the up-down slope or other acting forces.
One of the first and second pedaling regions is a pedaling region located at the front side of the bicycle, and the other is a pedaling region located at the rear side of the bicycle. The pedal platform of the electric scooter can be a whole, and can also comprise a plurality of independent pedal platforms; for example, in a first case, the electric scooter comprises a footrest platform including two footrest areas; in a second case, the foot platform of the electric scooter comprises two separate parts, one part being provided with a first foot area and the other part being provided with a second foot area, the two separate parts may be connected. In a third case, the two separate parts are separate, the rest being the same as in the second case. In a fourth aspect, the step platform can further include a plurality of independent portions, the first stepping zone being disposed on some of the plurality of independent portions and the second stepping zone being disposed on others of the plurality of independent portions.
Adopt the utility model discloses, set up at least three wheel through pedal platform below at electric scooter, wherein include at least one universal wheel and at least one drive wheel, electric scooter turning radius is littleer, and controls the motion of drive wheel according to pedal regional atress information, controls more freely to solved the big technical problem of current rodless electric scooter turning radius, increased the experience degree of riding passerby.
In an alternative embodiment, the step platform comprises a first step platform and a second step platform, the first step platform comprises a first step area, the second step platform comprises a second step area, the first step platform and the second step platform are connected through a connecting piece, the connecting piece is a telescopic connecting piece, and the first step platform and the second step platform are extended or shortened through the connecting piece.
The power supply, the control device and the stress sensing device are arranged on the first pedal platform, the second pedal platform or the first and second pedal platforms.
In this alternative embodiment, extended is understood to mean that the first and second foot platforms increase in length in the direction of the length by the connecting members, the distance between the first foot platform and the second foot platform becoming greater; shortening is to be understood as meaning that the first and second foot platforms can be reduced in length by the connecting elements in the length direction, the distance between the first foot platform and the second foot platform becoming smaller.
The following describes an electric scooter with a telescopic connection member (hereinafter referred to as scooter) in detail with reference to fig. 1 to 8:
as shown in fig. 1, the scooter includes: first pedal platform 1, second pedal platform 2, and connect at least one telescopic connection 3 between first pedal platform 1 and second pedal platform 2, wherein, it is regional to be provided with first pedal on the first pedal platform 1, it is regional to be provided with the second pedal on the second pedal platform 2, 1 below on the first pedal platform is provided with first wheel subassembly 10, first wheel subassembly includes a universal wheel 101, 2 below on the second pedal region are provided with second wheel subassembly 20, the second wheel subassembly includes two at least drive wheels 201, it is the drive wheel to prefer this drive wheel 201.
By adopting the above embodiment of the present application, the scooter can freely adjust the length of the scooter, and can adjust the somatosensory area according to the needs of the user, thereby satisfying the various needs of the user, for example, when the scooter is elongated, the riding stability is increased, when the scooter is shortened, the scooter is convenient to carry and store, in addition, the two pedal platforms are connected and fixed by a plurality of telescopic connecting pieces, so that the two pedal platforms are linked, and the universal wheel and the multi-driving wheel structure form a stable supporting structure, thereby increasing the riding stability, when controlling the scooter to turn, the first and the second pedal platforms can make the two pedal platforms move together due to the acting force of the rider, the universal wheel under the first pedal platform can flexibly change the turning direction, thereby realizing the turning, compared with the prior scooter which is driven by two driving wheels, the turning angle is increased, the turning radius is reduced, the technical problem that the body sensing area is small when the turning radius of the existing rodless electric scooter is large and adjustable is solved, and the user experience degree of the scooter is improved.
The utility model discloses scooter in above-mentioned each embodiment is not limited to no pole scooter, can also be applicable to the scooter that has the pole.
In the above embodiments, the second footrest platform of the electric scooter can be inclined at a certain angle to the at least two driving wheels, in other words, the second wheel assembly comprises a self-resetting wheel frame which is connected with the at least two driving wheels and can incline to the left and right.
Specifically, the second pedal platform in the above embodiment can also tilt left and right with the advancing direction as the axis, the first pedal platform is linked together under the action of the plurality of telescopic connectors, and when the two pedal platforms tilt left and right, the first pedal platform drives the universal wheels to tilt together, so that the universal wheels tilt and turn, and the vehicle can turn with a smaller turning radius.
In an alternative embodiment, the telescopic connector 3 of the electric scooter is arranged along the forward straight direction of the electric scooter, and it is further preferable that the telescopic connector 3 of the electric scooter comprises two sliding rods 31, and both are arranged along the forward direction of the electric scooter, as shown in fig. 1 and 2. With the arrangement, the two telescopic connecting pieces are arranged in parallel (or coaxially) and are arranged along the forward and straight direction of the electric scooter, and the two telescopic connecting rods are stably connected with each other by a relatively simple structure; the arrangement of the two telescopic connecting pieces is not limited to the above arrangement, and the above arrangement is an optional arrangement.
Each telescopic connecting piece can be any structure capable of achieving stretching, for example, the telescopic connecting pieces enabling the two pedal platforms of the electric scooter to stretch in a sliding rail mode can also be in a convex needle clamping mode through the row holes and the matching mode, so that the two pedal platforms can be telescopically connected, and certainly, other structures capable of achieving stretching can be further adopted.
In a preferred embodiment, as shown in fig. 1 and 2, each telescopic link 3 comprises a sliding rod 31 which is a telescopic tube, which can be of any shape, preferably a cylindrical shape. The design process of the telescopic pipe is simple, the cost is saved, and the structure is stable.
Furthermore, one end of each telescopic connecting element 3 is directly or indirectly connected with one side of the first pedal platform 1 provided with the first wheel assembly 10, and the other end of each telescopic connecting element 3 is directly or indirectly connected with one side of the second pedal platform 2 provided with the second wheel assembly 10. So set up, adopt the design of connecting in footboard platform below promptly, the flexible regulation of the flexible connecting piece of being convenient for.
The first and second are used only for distinguishing the respective components, and have no sequential meaning, which is different from that of the first and second. In a preferred embodiment, the first tread platform 1 as shown in fig. 1 is a front tread platform and the second tread platform 2 is a rear tread platform. Further preferably, at least one of the foot platforms is provided with a light for illuminating the road and for enhancing the aesthetic appearance. In a preferred embodiment, as shown in FIG. 2, the first tread platform 1 further comprises a first vehicle light 13 and the second tread platform 2 further comprises a second vehicle light 23.
In order to increase the stability of the foot platform, the first foot platform 1 may comprise a first upper cover 12 and a first base 11, the second foot platform 2 may comprise a second upper cover 22 and a second base 21, and both ends of each telescopic connection member 3 are respectively connected with the first base 11 and the second base 21.
In some alternative embodiments, each telescopic link 3 comprises at least one pair of sliding rods 31 and a hold-down assembly 41, at least one end of the sliding rods being slidably connected to the first or second tread platform 1, 2 via the hold-down assembly. The length of the telescopic connecting piece can be conveniently adjusted at any time according to the requirement by the connecting mode.
Specifically, the connection manner can be divided into the following cases:
first (as shown in fig. 2): one end of the electric scooter 31 in each telescopic connecting piece 3 is connected with the first pedal platform 1 in a sliding way through the first pressing component 41, and the other end of the electric scooter 31 in each telescopic connecting piece 3 is fixedly connected with the second pedal platform 2 through the second pressing component 42, so that the length of the telescopic connecting piece can be adjusted through the sliding of the first pressing component 41 at one end, and the distance between the two pedal platforms is increased or reduced;
and the second method comprises the following steps: one end of the slide bar 31 in each telescopic link 3 is slidably connected to the first tread platform 1 through a first pressing assembly 41, and the other end of the slide bar 31 in each telescopic link 3 is slidably connected to the second tread platform 2 through a second pressing assembly 42, so that the distance between the two tread platforms and the corresponding tread area can be adjusted by adjusting the pressing assemblies at the two ends.
In the above two cases, the positions of the two end pressing assemblies can be exchanged, or the first pedal platform and the second pedal platform can be exchanged, so as to obtain a modified arrangement mode, and the principle and effect thereof are the same as those of the above two alternative embodiments, which are not listed here.
As shown in fig. 6 to 8, each pressing assembly 41 includes a pressing plate 413, a pressing handle 412, and a bushing 411, the bushing 411 is sleeved on the sliding rod 31, the pressing plate 413 is used for fixing the bushing 411 below the pedal platform, the pressing handle 412 is positioned on the pressing plate 413 through a pin 414, and a rotation angle of the pressing handle 412 determines a pressing degree of the sliding rod 31 in the telescopic connector 3. So set up, it is convenient fast to adjust. Specifically, the pressing handle 412 is positioned on the pressing plate 413 through the pin 414, and the pressing plate 413 fixes the bushing 411 and the sliding rod 31. The cam surface of the pressing handle 412 relaxes a certain surface of the pressing bushing 411 by rotating different positions, so that the telescopic rod is adjusted, adjustment is simple, and operation is easy.
As shown in fig. 3 to 5, the second wheel assembly 20 further comprises a wheel carrier connected with at least two driving wheels 201, the wheel carrier comprising:
the first bracket 203 is fixedly connected with the lower part of the second pedal platform 2 and is provided with a first limiting part;
a second bracket 202 connected with the at least two driving wheels 201 and having a second limit portion, the first limit portion and the second limit portion being adapted to each other for limiting the relative swing of the first bracket 203 with respect to the second bracket 202;
a connecting member for connecting the first support 203 and the second support 202, wherein at least one movable connection part is movably connected, and a movable space is arranged between the first support 203 and the second support 202;
at least one elastic member (204 shown in fig. 3 to 5) disposed in the movable space between the first support 203 and the second support 202, having self-restorability, and capable of restoring to a home position after the first support 203 and the second support 202 are relatively moved.
Specifically, the connecting member includes a bolt as shown in fig. 3 to 5, the elastic members may be two, such as elastic members 204 and 205 sleeved on a screw of the bolt, and the second wheel assembly structure may be described as follows: the second bracket 202 fixes the two driving wheels 201 left and right, the second bracket 202 has a second limit part (a protruding shaft), the head of the protruding shaft pushes against the third elastic element 206 to be dead against a certain point on the first bracket 203, the point is a first limit part (a groove) of the first bracket 203, the first limit part and the second limit part are matched and used for matching and limiting the relative swing of the second bracket 202 and the first bracket 203; meanwhile, the second bracket 202 is pressed against the first bracket 203 by the first elastic member 204 and the second elastic member 205 in front and at the back, in other words, the bolt may sequentially pass through the first through hole of the first bracket 203, the elastic member 204, the second through hole of the second bracket 202, and the elastic member 205 is screwed with the nut, only one of the elastic member 204 and the elastic member 205 may be retained, and at least a part of the elastic member 204 or 205 is disposed inside the through hole of the second bracket 202.
In the above alternative embodiment, the second wheel assembly is fixed under the second footrest platform, and the second wheel assembly has an adjustable self-resetting property when the footrest platform or corresponding footrest area is tilted. Specifically, when the first bracket 203 rotates or swings with respect to the second bracket 202 about the vehicle body advancing direction, the screw can press the elastic member, and the elastic member can return the first bracket and the second bracket from the swing position to the original position due to the elastic member having a certain elasticity and the property of automatic return. The elastic connecting member is preferably, but not limited to, the above-mentioned manner, for example, the connecting member may be replaced by other structures capable of limiting and connecting and fixing the first bracket and the second bracket.
So set up, can realize that control tramples the second on the pedal platform of second and pedal regional, control its inclination and realize the turn to the universal wheel of cooperation front wheel, turning radius is less, can be more freely when making the passerby turn.
The first tread platform and the second tread platform can rotate relatively or can not rotate relatively, and correspondingly, the first tread area and the second tread area can also rotate relatively or can not rotate relatively.
In some optional embodiments, the force sensing device is an inclination sensing device, and is configured to detect an inclination angle of the corresponding pedal region as force information, and perform steering assistance based on the force information, so as to further improve the experience during turning.
(1) Under the condition that the first treading area and the second treading area can rotate relatively, the stress sensing device is arranged on the treading platform corresponding to the first treading area or the second treading area, the control device is used for adjusting the rotating speed of the driving wheel according to the inclination angle, and in a preferred embodiment, a first driving control instruction can be generated to control the rotating speed (and the rotating speed) of the driving wheel, so that the scooter can be assisted to steer to control the speed and/or the turning of the electric scooter.
Specifically, the first treading area and the second treading area can rotate relatively, including relative rotation in a horizontal plane, and also relative rotation in a folding mode of the treading platform corresponding to the two treading areas by taking the connecting piece as an intermediate shaft. If the relative rotation is in the horizontal plane, the control device can generate a first driving control instruction according to the left-right inclination angle of the first pedal or the second pedal, for example, when the left-right inclination angle is a left inclination angle, the control device generates a control for driving the right wheel to move more quickly relative to the left wheel so as to realize left turning;
or, the pedal platforms corresponding to the two pedal areas with the connecting element as the middle shaft are folded and relatively rotated, for example, the second pedal platform at the back is inclined forward by a certain angle, in other words, the second pedal platform of the electric scooter is in a downhill slope at the time, and at the time, the control device can generate a first driving control instruction according to the front and back inclination angles to control the driving wheel below the second pedal to perform deceleration movement, so as to realize the effect of deceleration at the downhill slope. The gyroscopes in the two specific embodiments are both disposed on the pedal platform corresponding to the second pedal region, and may also be disposed on the pedal platform of the first pedal region.
(2) Under the condition that the first treading area and the second treading area can rotate relatively, the stress sensing device is arranged on the treading platform corresponding to the first treading area and the second treading area, the control device is used for adjusting the rotating speed of the driving wheel according to at least two inclination angles of the two treading areas, and in a preferred embodiment, the controller can calculate and generate a second driving control command according to the two inclination angles of the two treading areas so as to control the rotating speed and/or the rotating direction of the driving wheel and control the speed and/or the turning of the electric scooter.
Specifically, for example, the left and right inclination angles of the first stepping area and the left and right inclination angles of the second stepping area are different, the rotation speed of each driving wheel is controlled according to the difference value of the two left and right inclination angles by calculating the difference value of the two left and right inclination angles, so as to realize turning; for another example, the pitch angle of the first tread region is different from the pitch angle of the second tread region, and the difference between the pitch angles is calculated to control the rotational speed of each driving wheel, thereby realizing acceleration or deceleration.
(3) Under the condition that relative rotation cannot be performed between the first treading area and the second treading area, the stress sensing device is arranged on the first treading area and/or the second treading area, and the control device is used for generating a third driving control instruction according to the inclination angle so as to control the rotating speed and/or the rotating direction of the driving wheel and control the speed and/or the turning of the electric scooter.
Specifically, when the first and second pedaling regions are linked fixedly, the force sensing device detects the inclination angles of the two pedaling regions, such as left and right inclination angles or front and back inclination angles, and the controller can control the rotation speed or steering of each driving wheel according to the inclination angles to realize acceleration, deceleration or steering.
In a preferred embodiment, the inclination angle includes a left-right inclination angle and/or a front-back inclination angle, at least two driving wheels are arranged below the pedal platform corresponding to the second pedal area, and the controller is used for controlling the driving wheels to rotate at different speeds according to the left-right inclination angle so as to control the electric scooter to turn; the controller is used for controlling the driving wheels to accelerate or decelerate according to the front and back inclination angles.
The force sensing device of the electric scooter comprises the inclination sensing device and a pressure sensing device, wherein the pressure sensing device is used for controlling the electric scooter to move forwards or backwards.
Specifically, the stress sensing device of the electric scooter comprises an inclination sensing device and a pressure sensing device, the pressure sensing device is used for detecting the pressure distribution condition received by the corresponding pedal area and used as stress information, and the controller is used for controlling and adjusting the rotation direction of each driving wheel according to the stress information so as to achieve the purpose of controlling the electric scooter to move forwards or backwards.
When the pressure distribution condition of the first or second pedal area detected by the pressure sensing device is that the pressure of the pedal area at the front part of the pedal platform is greater than the pressure of the pedal area at the rear part of the pedal platform, the controller controls the driving wheel of the electric scooter to rotate forwards, the scooter runs forwards, the same principle is adopted, and if the pressure of the pedal area at the rear part of the pedal platform is greater than the pressure of the pedal area at the front part, the driving wheel is controlled to rotate backwards, and the scooter backs backwards. When the pressure of the first pedal area positioned at the front part is greater than that of the second pedal area positioned at the rear part, the controller controls forward driving; when the pressure of the first pedal area positioned at the front part is smaller than that of the second pedal area positioned at the rear part, the driving wheels are controlled to rotate backwards, and the scooter integrally runs backwards.
The pressure sensing devices in the above embodiments preferably include at least two pressure sensing devices respectively disposed on the first stepping area and the second stepping area, and the control device controls the driving wheel according to a pressure difference detected by the pressure sensing devices. For example, the rotation speed, the rotation acceleration, the rotation direction, etc. of the driving wheel are controlled according to the detected pressure magnitude difference, so that the rotation speed, the acceleration or the deceleration, or the forward or the backward of the driving wheel can be controlled. Specifically, the force sensing device may include two pressure sensing devices respectively disposed on the two pedal regions, and an inclination sensing device including a gyro sensor. In the optional embodiment, when a gyroscope sensor arranged below the pedal platform detects the left and right inclination angles of the pedal platform, the main control board controls the rear two driving wheels to have different rotating speeds so as to realize differential turning, and the front universal wheel passively turns; the gyroscope sensor detects a front-back angle, and when the difference value of front-back pressure during uphill is reduced, the controller sends out a driving control instruction for controlling the driving wheel to accelerate so as to realize an uphill auxiliary function; similarly, the difference value of the front and rear pressures is increased when the vehicle is going downhill, namely the information of the front and rear inclination angles detected by the gyroscope is changed, so that the vehicle body can be judged to be in the downhill, and if the difference value of the front and rear pressures is increased at the moment, the controller sends out a driving control instruction for controlling the driving wheels to decelerate so as to realize the function of assisting the downhill slow descent when the vehicle is going uphill.
In other alternative embodiments, the force sensing device is a pressure sensing device (or referred to as a pressure sensor) for detecting a pressure distribution condition applied to the corresponding pedal region as the force information. The first pedal area and the second pedal area can rotate relatively or can not rotate relatively, in other words, a part of the pedal platform corresponding to the first pedal area and a part of the pedal platform corresponding to the second pedal area can rotate relatively or can not rotate relatively.
(1) But relative rotation between first pedal region and the second pedal region, atress sensing device sets up on the pedal platform that first pedal region or second pedal region correspond, and controlling means is used for according to the pressure distribution condition, generates the fourth drive control instruction to control drive wheel slew velocity and/or rotation direction, with the speed and/or the turn of control electric scooter.
Specifically, a force sensing device, such as a pressure sensing device, is disposed on the foot platform corresponding to the first or second pedaling region for detecting a pressure distribution on the first or second pedaling region. The pressure distribution may include left and right pressure distributions in the first or second tread region, and may also include front and rear pressure distributions in the first tread region, the second tread region, or the entire both tread regions. The control device controls the rotation speed or rotation direction of each driving wheel according to the left-right pressure distribution condition or the up-down pressure distribution condition. Further alternatively, the control device controls the driving wheels at the first or second pedaling regions to rotate at different speeds according to the left-right distribution of the first or second pedaling regions, for example, when the left-right distribution indicates that the pressure at the left side of the first or second pedaling regions is greater than the pressure at the right side, the controller can control the driving wheels at the right side of the first or second pedaling regions to rotate at a greater speed than the driving wheels at the left side, so as to control the steering of the electric scooter; for another example, if the current rear pressure distribution situation shows that the pressure of the first pedal area is greater than the pressure value of the second pedal area, or shows that the pressure value of the front part of the first pedal area is greater than the pressure value of the rear part of the first pedal area, the control device controls and drives each driving wheel to move in an accelerated manner, so as to accelerate the electric scooter.
More preferably, the electric scooter is at least provided with three stress sensing devices for sensing the pressure distribution conditions of the first and second pedaling regions, the pedaling platform corresponding to the first pedaling region is provided with one stress sensing device, the left and right sides of the pedaling platform corresponding to the second pedaling region are respectively provided with one stress sensing device, or the left and right sides of the pedaling platform corresponding to the first pedaling region are respectively provided with one stress sensing device, and the pedaling platform corresponding to the second pedaling region is provided with one stress sensing device. So set up, can come the front and back pressure distribution condition of sensing electric scooter simultaneously and control the pressure distribution condition with three atress sensing device to control electric scooter's turn, accelerate or slow down.
(2) The first treading area and the second treading area can not rotate relatively, the stress sensing device is arranged on the first treading area or the second treading area, and the control device is used for generating a fifth driving control instruction according to the pressure distribution situation so as to control the rotating speed and/or the rotating direction of the driving wheel to control the speed and/or the turning of the electric scooter.
Specifically, when the first treading area and the second treading area are fixedly linked, the stress sensing device arranged on the first treading area or the second treading area is used for sensing the pressure distribution condition of the first treading area or the second treading area, and the controller controls the speed or the rotating direction of each driving wheel according to the pressure distribution condition, for example, controls the speed difference of each driving wheel according to the left and right pressure distribution condition to realize turning; and controlling the speed of each driving wheel to increase or decrease according to the front and rear pressure distribution conditions to realize acceleration or deceleration.
In summary, in the above (1) or (2), the number of the pressure sensing devices is at least three, at least one of the pressure sensing devices is disposed on the pedal platform corresponding to one pedal area, at least two of the pressure sensing devices are disposed on the pedal platform corresponding to the other pedal area, the pressure distribution includes left and right pressure distribution, and the control device is configured to control the driving wheel to rotate at different speeds according to the left and right pressure distribution, so as to control the turning; the pressure distribution condition includes a front-rear pressure distribution condition, and the control device is used for controlling the acceleration or deceleration or rotation direction of the driving wheel according to the front-rear pressure distribution condition.
Referring to fig. 2, the electric scooter will be further described, as shown in fig. 2, the scooter further includes a force sensing device (including a pressure sensing device 53 shown in fig. 2), a power supply assembly (including a battery pack 52 shown in fig. 2), and a controller (including a main control board 51 shown in fig. 2), in addition to the first footrest platform 1, the second footrest platform 2, the connecting members (31, 41, and 42 shown in fig. 2), the first wheel assembly 10, and the second wheel assembly 20, the controller is respectively connected to the force sensing device and the power supply assembly. So set up, the scooter is more intelligent, and is electronic more laborsaving, simultaneously through the cooperation of atress sensing device and controller, makes things convenient for people to the manipulation of scooter, increases the object for appreciation nature of scooter.
Specifically, above-mentioned electric scooter includes atress sensing device, and this atress sensing device includes: tilt sensing devices, such as gyroscopes, and pressure sensing devices, wherein,
a gyroscope for sensing inclination information of the stepping area, the inclination information including a left and right inclination angle, a front and rear inclination angle, or both;
the pressure sensing device is used for sensing pressure information or pressure distribution conditions of the first pedal area and the second pedal area, and the pressure distribution conditions comprise front and back pressure distribution conditions and left and right pressure distribution conditions;
the controller is connected with the driving devices corresponding to the two driving wheels and used for generating a first driving control signal according to the inclination angle information so as to control and drive the two driving wheels to rotate at different rotating speeds to realize turning, and the controller is also used for generating a second driving control signal according to the pressure information and the inclination angle information so as to control and drive the acceleration or deceleration or the rotating direction of at least two driving wheels.
According to the arrangement, the gyroscope senses inclination angle information comprising a left inclination angle, a right inclination angle and a front inclination angle and a rear inclination angle when going up and down a slope; the controller generates a control signal according to the left and right inclination angle information of the pedal platform, and the control signal is used for controlling the driver to drive at least two driving wheels to rotate at different speeds so as to realize turning; taking an electric scooter with a first pedal area and a second pedal area fixedly linked as an example, the stress sensing device also comprises a first pressure sensing device which is respectively arranged between the first pedal platform and the first wheel assembly, and a second pressure sensing device which is respectively arranged between the second pedal platform and the second wheel assembly and is used for respectively sensing the pressure information of the front pedal platform and the rear pedal platform; when the scooter is in a downhill, the controller controls the driver to drive at least two driving wheels to decelerate according to the front and rear inclination angles and the pressure information of the front and rear pedal areas.
Further preferably, a containing space is provided in the foot platform of the scooter, the power supply assembly and the controller are respectively provided in the containing space, and the stress sensing device is respectively provided below the foot platform or in the containing space.
So set up, each subassembly is held including power supply unit spare and controller, and atress sensing device that can be more convenient for the scooter is more pleasing to the eye, and can use different production technology.
Specifically, the force sensing device may include one sensor or a plurality of sensors, and in a preferred embodiment, as shown in fig. 2, the force sensing device includes two pressure sensing devices, namely, a first pressure sensing device 53 disposed between the first wheel assembly 10 and the first tread platform 1 (the first base 11); and a second pressure-sensitive device 53 disposed between the second wheel assembly 20 and the second footrest platform 2 (second base 21); above-mentioned atress sensing device still includes the slope sensing device, like the gyroscope sensor, when the gyroscope sensor who sets up below pedal platform detects 2 inclination of second pedal platform, two drive wheel 201 rotational speeds are different after the main control board 51 control and realize the differential turn, and preceding universal wheel 101 still turns passively, can reduce turning radius like this, improves the practicality. The riding body feeling during uphill or downhill is optimized by detecting the front and rear angles of the gyroscope, the front and rear pressure difference value during uphill is reduced, namely the front and rear inclination angle information detected by the gyroscope changes, the vehicle body can be judged to be on the uphill, and if the pressure information indicates that the front and rear pressure difference is reduced, the controller sends a driving control instruction for controlling the driving wheel to accelerate so as to realize the uphill auxiliary function; similarly, the difference between the front pressure and the rear pressure is increased when the vehicle goes downhill, namely the information of the front inclination and the rear inclination detected by the gyroscope is changed, so that the vehicle body can be judged to be in the downhill, and if the pressure information indicates that the front pressure difference and the rear pressure difference are increased at the moment, the controller sends out a driving control instruction for controlling the driving wheels to decelerate so as to realize the function of assisting in descending the downhill in an uphill mode.
To sum up, adopt the utility model discloses electric scooter that each embodiment provided has following effect: this electric scooter includes at least one universal wheel and at least one drive wheel, and scooter turning radius is littleer, and controls the motion of drive wheel according to the regional atress information of pedal, controls more freely, has solved the big technical problem of current rodless electric scooter turning radius, has improved scooter's user experience degree.
This electric scooter preferably has telescopic connection for this scooter has the elasticity, convenient storage, and can be suitable for wider crowd.
The electric scooter is provided with a stress sensing device, for example, a slope sensing device (such as a gyroscope) for sensing a slope angle and/or a pressure sensing device for sensing pressure information or pressure distribution conditions, the controller controls the rotating speed or steering of the driving wheel according to the stress information so as to control the adding, decelerating, turning, advancing or retreating of the scooter, thereby realizing thinking control on the electric scooter, realizing speed compensation on ascending and descending slopes, and realizing free steering control.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electric scooter, which is characterized by comprising a pedal platform and a wheel assembly arranged below the pedal platform, wherein the pedal platform comprises a first pedal area and a second pedal area,
the wheel assembly comprises at least three wheels, wherein at least one wheel is a universal wheel and at least one wheel is a driving wheel; the universal wheels are arranged below the pedal platforms corresponding to the first pedal area, and the driving wheels are arranged below the pedal platforms corresponding to the second pedal area;
the stress sensing device is arranged on the pedal platform corresponding to the first pedal area and/or the second pedal area and used for detecting stress information of the corresponding pedal area;
the control device is arranged on the pedal platform, is connected with the stress sensing device and is used for controlling the driving wheel to move according to the detected stress information;
and the power supply is arranged on the pedal platform and is electrically connected with the stress sensing device and the control device.
2. The electric scooter of claim 1, wherein the foot platforms comprise a first foot platform and a second foot platform, the first foot platform comprises the first foot area, the second foot platform comprises the second foot area, the first foot platform and the second foot platform are connected by a connecting member, the connecting member is a telescopic connecting member, and the first foot platform and the second foot platform are extended or shortened by the connecting member.
3. The electric scooter of claim 1 or 2, wherein the force sensing device is a tilt sensing device for detecting a tilt angle of the corresponding pedaling zone as the force information.
4. The electric scooter of claim 3, wherein the first pedaling zone and the second pedaling zone are relatively rotatable, the force sensor is disposed on the pedal platform corresponding to the first pedaling zone or the second pedaling zone, and the control device adjusts the rotation speed of the driving wheel according to the tilting angle.
5. The electric scooter of claim 3, wherein the first pedaling zone and the second pedaling zone are relatively rotatable, the force sensor is disposed on the pedaling platform corresponding to the first pedaling zone and the second pedaling zone, and the control device adjusts the rotation speed of the driving wheel according to at least two tilt angles of the two pedaling zones.
6. The electric scooter of claim 4 or 5, wherein the tilting angle comprises a left-right tilting angle and/or a front-back tilting angle, at least two driving wheels are disposed under the pedal platform corresponding to the second pedal region, and the control device is configured to control the driving wheels to rotate at different speeds according to the left-right tilting angle, so as to control the electric scooter to turn; the control device is used for controlling and driving the driving wheels to accelerate or decelerate according to the front and back inclination angles.
7. The electric scooter of claim 4 or 5, wherein the force sensing device further comprises a pressure sensing device for detecting a pressure distribution of the corresponding pedal region as force information, and the control device is configured to control and adjust the rotation direction of the driving wheel according to the force information.
8. The electric scooter of claim 1 or 2, wherein the force sensing device is a pressure sensing device for detecting a pressure distribution of the corresponding pedaling region as the force information.
9. The electric scooter of claim 8, wherein the at least two pressure sensors are disposed on the first and second pedaling regions, respectively, and the control device controls the driving wheel according to a difference between the pressures detected by the pressure sensors.
10. The electric scooter of claim 9, wherein the pressure sensing devices comprise at least three pressure sensing devices, one of the pedal regions is provided with at least one pressure sensing device, the other pedal region is provided with at least two pressure sensing devices, the pressure distribution comprises a left-right pressure distribution, and the control device is configured to control the driving wheel to rotate at different speeds according to the left-right pressure distribution so as to control the turning; the pressure distribution condition comprises a front and rear pressure distribution condition, and the control device is used for controlling the acceleration and deceleration or the rotation direction of the driving wheel according to the front and rear pressure distribution condition.
CN201920142571.7U 2019-01-28 2019-01-28 Electric scooter Active CN210302387U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920142571.7U CN210302387U (en) 2019-01-28 2019-01-28 Electric scooter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920142571.7U CN210302387U (en) 2019-01-28 2019-01-28 Electric scooter

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CN210302387U true CN210302387U (en) 2020-04-14

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Country Link
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