A walking device position adjustment system

Abstract

The present invention provides a position adjustment system for a walking device, comprising a first distance sensor, a second distance sensor, a hollow rotating platform, a first servo motor and a single-chip microcomputer; wherein the first distance sensor and the second distance sensor are respectively arranged at the bottom left end and the right end of the pedal of the walking device, and the distance sensors are arranged vertically toward the stairs, the first distance sensor and the second distance sensor are electrically connected to the single-chip microcomputer and perform data transmission, and the single-chip microcomputer is electrically connected to the first servo motor and performs rotation angle signal transmission; the hollow rotating platform is arranged between the seat connecting flange of the walking device and the seat on the walking skateboard, and the first servo motor is connected to the side of the hollow rotating platform. The present invention uses two distance sensors to detect whether the seat of the walking device is perpendicular to the stairs, and uses the hollow rotating platform to adjust the position of the seat, which not only ensures the adjustment accuracy, but also ensures the safety of the passengers.

Description

Technical Field

[0001] The invention relates to a corridor climbing auxiliary device, in particular to a position adjustment system for a walking device. Background Art

[0002] With the development and progress of society and the further improvement of public facilities, lifting mechanisms are now installed on the stairs of subways and public places to serve as mobility aids for the elderly or disabled users to go up and down the stairs. During the long-term use of the mobility aid, the position of the seat for the elderly or disabled users will shift from perpendicular to the stairs, which may cause danger when riding, and manual labor is required to dismantle the seat to adjust the vertical relationship between it and the stairs. Therefore, automatic position adjustment of the mobility aid is very important. Summary of the invention

[0003] In order to solve the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a walking device position adjustment system to overcome the defects in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a position adjustment system for a walking device, which includes a first distance sensor, a second distance sensor, a hollow rotating platform, a first servo motor and a single-chip microcomputer; wherein the first distance sensor and the second distance sensor are respectively arranged at the left and right ends of the bottom of the pedal of the walking device, and the distance sensor is arranged vertically toward the stairs, for detecting the distance between the two ends of the pedal and the stairs, so as to adjust the position of the sitting chair according to the distance difference between the two ends of the pedal and the stairs; the first distance sensor and the second distance sensor are electrically connected to the single-chip microcomputer and transmit data, and the single-chip microcomputer is electrically connected to the first servo motor and transmits a rotation angle signal, so that the single-chip microcomputer controls the rotation angle of the first servo motor according to the distance difference fed back by the distance sensor; the hollow rotating platform is arranged between the sitting chair of the walking device and the seat connecting flange on the walking skateboard, and the first servo motor is connected to the side of the hollow rotating platform, so that the first servo motor drives the hollow rotating platform to rotate, so as to adjust the position of the sitting chair and make the sitting chair perpendicular to the stairs.

[0005] As a further illustration of the position adjustment system of the walking device described in the present invention, preferably, the first distance sensor and the second distance sensor are connected to the input end of the comparator, and the output end of the comparator is connected to the single-chip microcomputer and transmits a forward adjustment signal or a reverse adjustment signal, which is used to compare the distance between the two ends of the pedal and the stairs to control the forward adjustment or reverse adjustment of the first servo motor.

[0006] As a further explanation of the position adjustment system of the walker described in the present invention, preferably, the position adjustment system of the walker also includes an upper contact sensor and a lower contact sensor, the upper contact sensor is arranged on the upstream side of the guide rail of the walker, and the lower contact sensor is arranged on the downstream side of the guide rail of the walker, and the upper contact sensor and the lower contact sensor are arranged perpendicular to the stairs, and are used to contact the side of the seat of the walker to obtain the parking position of the seat.

[0007] As a further explanation of the position adjustment system of the walking device described in the present invention, preferably, the upper contact sensor and the lower contact sensor are electrically and signal-connected to the single-chip microcomputer, and the single-chip microcomputer is electrically connected to the first servo motor and transmits the first servo motor start signal, so that the first servo motor is started to adjust the position of the passenger chair only when the passenger chair stops at the upper contact sensor or the lower contact sensor.

[0008] As a further explanation of the walking device position adjustment system described in the present invention, preferably, the walking device position adjustment system also includes an upper start button, a lower start button and a second servo motor; the upper start button is arranged on the upstream side of the guide rail of the walking device, the lower start button is arranged on the downstream side of the guide rail of the walking device, the second servo motor is fixedly connected to the walking skateboard, the upper start button and the lower start button are electrically connected to the single-chip microcomputer, the single-chip microcomputer is electrically connected to the second servo motor and prepares to start the signal transmission, so that the walking device starts when the upper start button or the lower start button is pressed.

[0009] As a further explanation of the position adjustment system of the walking device described in the present invention, preferably, the upper start button and the upper contact sensor are respectively connected to the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is connected to the second servo motor and transmits a reverse signal, so that when the upper start button is pressed and the seat chair stops on the upper contact sensor, the second servo motor reverses to realize the movement of the walking device downstairs; the lower start button and the lower contact sensor are respectively connected to the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is connected to the second servo motor and transmits a forward signal, so that when the lower start button is pressed and the seat chair stops on the lower contact sensor, the second servo motor rotates forward to realize the movement of the walking device upstairs.

[0010] As a further explanation of the walking device position adjustment system described in the present invention, preferably, the walking device position adjustment system also includes a walking switch arranged on the armrest of the seat, the walking switch is electrically connected to the single-chip microcomputer, the single-chip microcomputer is electrically connected to the second servo motor and transmits a start signal or a stop signal, and is used to control the walking switch so that the second servo motor drives the walking skateboard to stop at any position on the guide rail.

[0011] The present invention has the following beneficial effects:

[0012] 1. The present invention uses two distance sensors to detect whether the seat of the mobility scooter is perpendicular to the stairs, and uses a single chip microcomputer to control the first servo motor, and then the hollow rotating platform adjusts the position of the seat, which not only ensures the adjustment accuracy, but also ensures the safety of the passengers;

[0013] 2. The present invention further provides an upper contact sensor and a lower contact sensor to ensure that when the mobility scooter goes upstairs or downstairs, the distance sensor can accurately measure the inclination of the seat, and adjust the position of the seat after the mobility scooter stops, so as to avoid the shaking caused by the position adjustment of the seat during the movement of the mobility scooter, and increase the sense of stability and security of the passengers;

[0014] 3. The present invention further provides an upper start button and a lower start button so that the walking device can be started in both directions of the stairs. At the same time, the upper contact sensor and the lower contact sensor are used to determine the position of the walking device, so as to automatically control the second servo motor to rotate forward to go upstairs or reverse to go downstairs;

[0015] 4. The present invention further provides a walking switch on the seat, which can enable the walker to walk in a pushed state and stop at any position of the guide rail, making it convenient for passengers to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the walking device position adjustment system of the present invention;

[0017] Figure 2 A schematic diagram of the positions of the contact sensor and the start button of the present invention;

[0018] Figure 3 It is a principle block diagram of the walking device position adjustment system of the present invention. DETAILED DESCRIPTION

[0019] In order to further understand the structure, features and other purposes of the present invention, the preferred embodiments are described in detail with reference to the accompanying drawings as follows. The embodiments described in the drawings are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention.

[0020] like Figure 1 As shown, Figure 1It is a structural schematic diagram of a position adjustment system for a walking device of the present invention; the position adjustment system for a walking device includes a first distance sensor 1 and a second distance sensor 2; wherein, the first distance sensor 1 and the second distance sensor 2 are respectively arranged at the left and right ends of the bottom of the pedal of the walking device, the pedal is installed at the bottom of the seat and can move along the rotation axis, when the pedal is lowered, the pedal is parallel to the stairs, at this time, the distance sensor 1 is arranged vertically toward the stairs, for detecting the distance between the two ends of the pedal and the stairs, the seat and the stairs maintain a vertical relationship, the distance values ​​detected by the first distance sensor 1 and the second distance sensor 2 are equal, if the seat tilts to the right, the distance value detected by the first distance sensor 1 is greater than the distance value detected by the second distance sensor 2, if the seat tilts to the left, the distance value detected by the first distance sensor 1 is less than the distance value detected by the second distance sensor 2, therefore, it is possible to detect whether the position of the seat has changed, and the distance difference between the two ends of the pedal and the stairs is used as the basis for adjusting the position of the seat, thereby adjusting the seat.

[0021] Please see Figure 1 and Figure 3 The walking device position adjustment system includes a hollow rotating platform 3, a first servo motor 4 and a single chip microcomputer 5; a hollow rotating platform 3 is arranged between the seat connection flange on the sitting chair and the walking skateboard, and the first servo motor 4 is connected to the side of the hollow rotating platform 3. The sitting chair can be rotated and adjusted by the hollow rotating platform 3, and the first servo motor 4 is used to drive the hollow rotating platform 3 to rotate accurately. Since the hollow rotating platform 3 and the first servo motor 4 are connected to the inner side of the walking skateboard, and a motor is also connected to the upper part of the walking skateboard to control the walking skateboard to move along the guide rail, The adjustment of the seat by the hollow rotating platform 3 does not affect the movement of the seat upstairs or downstairs by the walking skateboard; the first distance sensor 1 and the second distance sensor 2 are electrically connected to the single-chip microcomputer 5 and transmit data, and the single-chip microcomputer 5 is electrically connected to the first servo motor 4 and transmits a rotation angle signal, so that the single-chip microcomputer controls the rotation angle of the first servo motor according to the distance difference feedback by the distance sensor, and the hollow rotating platform 3 executes the action of rotating the seat to adjust the position of the seat and make the seat perpendicular to the stairs, which not only ensures the adjustment accuracy, but also ensures the safety of the passengers.

[0022] Preferably, the first distance sensor 1 and the second distance sensor 2 are connected to the input end of a comparator, and the output end of the comparator is connected to the single-chip microcomputer 5 and transmits a forward adjustment signal or a reverse adjustment signal. The distance value detected by the first distance sensor 1 is greater than the distance value detected by the second distance sensor 2, and the single-chip microcomputer 5 sends a reverse adjustment signal to the first servo motor 4, and the first servo motor 4 drives the hollow rotating platform 3 to rotate accurately to the left; the distance value detected by the first distance sensor 1 is less than the distance value detected by the second distance sensor 2, and the single-chip microcomputer 5 sends a forward adjustment signal to the first servo motor 4, and the first servo motor 4 drives the hollow rotating platform 3 to rotate accurately to the right. Therefore, the comparator is used to compare the output values ​​of the first distance sensor 1 and the second distance sensor 2 to determine the distance between the two ends of the pedal and the stairs, so as to control the forward adjustment or reverse adjustment of the first servo motor to meet the actual requirements of adjusting the position of the seat, which is simple to implement.

[0023] Please see Figure 2 and Figure 3 , Figure 2 It is a schematic diagram of the positions of the contact sensors and the start button of the present invention; the walker position adjustment system also includes an upper contact sensor 6 and a lower contact sensor 7, the upper contact sensor 6 is arranged on the upward side of the guide rail of the walker, and the lower contact sensor 7 is arranged on the downward side of the guide rail of the walker, and the upper contact sensor 6 and the lower contact sensor 7 are arranged perpendicular to the stairs. When the walker stops on the upward side of the stairs, the right side wall of the seat contacts the upper contact sensor 6, and when the walker stops on the downward side of the stairs, the left side wall of the seat contacts the lower contact sensor 7. The parking position of the seat can be obtained by the sensing signals of the upper contact sensor 6 and the lower contact sensor 7. Among them, the upper contact sensor 6 and the lower contact sensor 7 are electrically and signal-connected with the single-chip computer 5, and the single-chip computer 5 is electrically connected to the first servo motor 4 and transmits the first servo motor start signal, so that when the passenger chair stops at the upper contact sensor or the lower contact sensor, the first servo motor is started to adjust the position of the passenger chair to ensure that when the scooter goes upstairs or downstairs, the distance sensor can accurately measure the inclination of the passenger chair, and at the same time, the position of the passenger chair is adjusted after the scooter stops, so as to avoid the shaking caused by the position adjustment of the passenger chair during the movement of the scooter, thereby increasing the sense of stability and security of the passengers.

[0024] Please see Figure 2 and Figure 3 The walking device position adjustment system further comprises an upper start button 8, a lower start button 9 and a second servo motor 10; the upper start button 8 is arranged on the upper side of the guide rail of the walking device, the lower start button 9 is arranged on the lower side of the guide rail of the walking device, and the second servo motor 10 is fixedly connected to the walking slide. Figure 1The motor connected to the upper part of the middle walking skateboard, the upper start button 8 and the lower start button 9 are electrically connected to the single-chip microcomputer 5, and the single-chip microcomputer 5 is electrically connected to the second servo motor 10 and prepares to transmit a start signal so that when the upper start button or the lower start button is pressed, the walking device is started, which is convenient for starting the walking device in both directions of the stairs. Specifically, the upper start button 8 and the upper contact sensor 6 are respectively connected to the input end of the single-chip microcomputer 5, and the output end of the single-chip microcomputer 5 is connected to the second servo motor 10 and transmits a reverse signal, so that when the upper start button is pressed and the seat rests on the upper contact sensor, the second servo motor 10 reverses to realize the movement of the walker downstairs; the lower start button 9 and the lower contact sensor 7 are respectively connected to the input end of the single-chip microcomputer 5, and the output end of the single-chip microcomputer 5 is connected to the second servo motor 10 and transmits a forward signal, so that when the lower start button is pressed and the seat rests on the lower contact sensor, the second servo motor 10 rotates forward to realize the movement of the walker upstairs, so that the upper contact sensor and the lower contact sensor are used at the same time to determine the position of the walker, and automatically control the second servo motor to rotate forward to go upstairs or reverse to go downstairs.

[0025] Please see Figure 2 and Figure 3 The position adjustment system of the walking device also includes a walking switch 11 arranged on the armrest of the seat, the walking switch 11 is electrically connected to the single-chip microcomputer 5, the single-chip microcomputer 5 is electrically connected to the second servo motor 10 and transmits a start signal or a stop signal, and is used to control the walking switch 11 so that the second servo motor 10 drives the walking skateboard to stop at any position on the guide rail, so as to achieve the effect of making the walking device walkable in a pushed state and stopping at any position on the guide rail, which is convenient for passengers to use.

[0026] It should be noted that the above invention content and specific implementation methods are intended to demonstrate the practical application of the technical solution provided by the present invention and should not be interpreted as limiting the scope of protection of the present invention. Those skilled in the art can make various modifications, equivalent substitutions or improvements within the spirit and principles of the present invention. The scope of protection of the present invention shall be subject to the attached claims.

Claims

1. A walking device position adjustment system, characterized in that: The walking device position adjustment system comprises a first distance sensor (1), a second distance sensor (2), a hollow rotating platform (3), a first servo motor (4), a single chip microcomputer (5), a contact sensor (6) and a lower contact sensor (7); wherein: The first distance sensor (1) and the second distance sensor (2) are respectively arranged at the left and right ends of the bottom of the pedal of the walking device, and the first distance sensor (1) is arranged vertically toward the stairs, and is used to detect the distance between the two ends of the pedal and the stairs, so as to use the difference in the distance between the two ends of the pedal and the stairs as a basis for adjusting the position of the sitting chair; The first distance sensor (1) and the second distance sensor (2) are electrically connected to the single chip microcomputer (5) and perform data transmission, and the single chip microcomputer (5) is electrically connected to the first servo motor (4) and performs rotation angle signal transmission, so that the single chip microcomputer controls the rotation angle of the first servo motor according to the distance difference feedback from the distance sensor; the first distance sensor (1) and the second distance sensor (2) are connected to the input end of the comparator, and the output end of the comparator is connected to the single chip microcomputer (5) and performs forward rotation adjustment signal or reverse rotation adjustment signal transmission, which is used to compare the distance between the two ends of the pedal and the stairs, so as to control the first servo motor to perform forward rotation adjustment or reverse rotation adjustment; The hollow rotating platform (3) is arranged between the seat of the walking device and the seat connecting flange on the walking skateboard, and the first servo motor (4) is connected to the side of the hollow rotating platform (3), so that the first servo motor (4) drives the hollow rotating platform (3) to rotate, so as to adjust the position of the seat and make the seat perpendicular to the stairs; The upper contact sensor (6) is arranged on the upward side of the guide rail of the walker, and the lower contact sensor (7) is arranged on the downward side of the guide rail of the walker. The upper contact sensor (6) and the lower contact sensor (7) are arranged perpendicular to the stairs and are used to contact the side of the seat of the walker to obtain the parking position of the seat.

2. The walking device position adjustment system according to claim 1, characterized in that: The upper contact sensor (6) and the lower contact sensor (7) are electrically connected to the single chip microcomputer (5) and signal connected thereto. The single chip microcomputer (5) is electrically connected to the first servo motor (4) and transmits a first servo motor start signal so that the first servo motor is started to adjust the position of the seat only when the seat is parked at the upper contact sensor or the lower contact sensor.

3. The walking device position adjustment system according to claim 1, characterized in that: The walking device position adjustment system further comprises an upper start button (8), a lower start button (9) and a second servo motor (10); the upper start button (8) is arranged on the upper side of the guide rail of the walking device, the lower start button (9) is arranged on the lower side of the guide rail of the walking device, the second servo motor (10) is fixedly connected to the walking slide, the upper start button (8) and the lower start button (9) are electrically connected to the single chip microcomputer (5), the single chip microcomputer (5) is electrically connected to the second servo motor (10) and performs a ready start signal transmission, so that when the upper start button or the lower start button is pressed, the walking device starts.

4. The walking device position adjustment system according to claim 3, characterized in that: The upper start button (8) and the upper contact sensor (6) are respectively connected to the input end of the single chip microcomputer (5), and the output end of the single chip microcomputer (5) is connected to the second servo motor (10) and performs reverse signal transmission, so that when the upper start button is pressed and the seat rests on the upper contact sensor, the second servo motor (10) reverses to realize the walking device moving downstairs; the lower start button (9) and the lower contact sensor (7) are respectively connected to the input end of the single chip microcomputer (5), and the output end of the single chip microcomputer (5) is connected to the second servo motor (10) and performs forward signal transmission, so that when the lower start button is pressed and the seat rests on the lower contact sensor, the second servo motor (10) rotates forward to realize the walking device moving upstairs.

5. The walking device position adjustment system according to claim 3, characterized in that: The walking device position adjustment system also includes a walking switch (11) arranged on the armrest of the seat, the walking switch (11) is electrically connected to the single-chip computer (5), and the single-chip computer (5) is electrically connected to the second servo motor (10) and transmits a start signal or a stop signal, and is used to control the walking switch (11) so that the second servo motor (10) drives the walking slide to stop at any position on the guide rail.

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