A speed control system for a walking device

Abstract

The present invention provides a speed control system for a walking device, comprising a speed monitoring unit, a speed control unit, an automatic speed adjustment unit and a manual speed adjustment unit; the speed monitoring unit is used to monitor the current walking device speed, and send the current walking device speed to the speed control unit; the speed control unit controls the automatic speed adjustment unit or the manual speed adjustment unit to adjust the current walking device speed according to the current walking device speed; the automatic speed adjustment unit controls the movement speed of the walking device according to the control instruction sent by the speed control unit; the manual speed adjustment unit is used to increase or decrease the current walking device speed, and send the increased or decreased speed to the speed control unit. The present invention is provided with the automatic speed adjustment unit and the manual speed adjustment unit, so as to realize the automatic adjustment of the movement speed of the walking device and the self-adjustment of the speed by the passengers, so that the passengers can ride within the acceptable speed range.

Description

Technical Field

[0001] The invention relates to a stair climbing auxiliary device, in particular to a speed control 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 be used as mobility devices for elderly or disabled users to go up and down stairs. In order to ensure the safety of passengers during the movement of general mobility devices, the speed is set by the system. For some passengers, the relatively slow movement speed will produce a bad experience, so it is very important to control the speed of the mobility device. 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 speed control system for a walking device to overcome the defects in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a speed control system for a walking device, which includes a speed monitoring unit, a speed control unit, an automatic speed adjustment unit and a manual speed adjustment unit; wherein the speed monitoring unit is arranged on a servo motor of the walking device and is electrically connected and connected to the walking device by signals, and the speed monitoring unit is electrically connected and connected to the speed control unit by signals, the speed monitoring unit monitors the current speed of the walking device and sends the current speed of the walking device to the speed control unit; the speed control unit is arranged on the walking device and is electrically connected and connected to the automatic speed adjustment unit by signals, and the speed control unit controls the automatic speed adjustment unit to adjust the current speed of the walking device according to the current speed of the walking device; the automatic speed adjustment unit is arranged on a guide rail of the walking device and is electrically connected and connected to the walking device by signals, and the automatic speed adjustment unit controls the movement speed of the walking device according to the control instruction sent by the speed control unit; the manual speed adjustment unit is arranged in the handle of the walking device and is electrically connected and connected to the speed control unit by signals, the speed control unit is electrically connected and connected to the walking device by signals, the manual speed adjustment unit increases or decreases the current speed of the walking device, and sends the increased or decreased speed to the speed control unit, and the speed control unit controls the movement speed of the walking device.

[0005] As a further illustration of the speed control system of the scooter described in the present invention, preferably, the speed control unit includes a walking switch arranged on the handlebars of the scooter's seat, a single-chip microcomputer arranged in the scooter's seat, and a servo controller and a servo motor arranged between the scooter's seat and the guide rail; the walking switch is electrically connected to the servo controller through the single-chip microcomputer, and the servo controller is electrically connected to the servo motor, for sending a start signal to the servo controller to make the scooter move forward with uniform acceleration.

[0006] As a further illustration of the speed control system of the walking device of the present invention, preferably, the speed monitoring unit adopts a motor speed sensor, which monitors the speed of the servo motor and sends the monitored speed signal to the servo controller.

[0007] As a further illustration of the speed control system of the walker described in the present invention, preferably, the automatic speed adjustment unit includes an upward position sensor and a downward position sensor arranged on the guide rail of the walker; the upward position sensor or the downward position sensor is electrically connected to the servo controller through a single-chip microcomputer, and is used to send a deceleration signal to the servo controller to make the walker decelerate evenly and move forward until it stops.

[0008] As a further illustration of the speed control system of the walker described in the present invention, preferably, the automatic speed adjustment unit also includes a front infrared distance sensor and a rear infrared distance sensor arranged on both sides of the walker seat. The front infrared distance sensor or the rear infrared distance sensor is electrically connected to the servo controller through a single-chip microcomputer, and is used to measure the running distance of the walker so that the walker can accurately locate the deceleration position and the stop position.

[0009] As a further illustration of the speed control system of the scooter described in the present invention, preferably, the manual speed adjustment unit includes a speed controller arranged in the seating seat of the scooter, and the speed controller is electrically connected to the servo controller via a single-chip microcomputer for increasing or decreasing the current scooter speed.

[0010] As a further illustration of the walking device speed control system of the present invention, preferably, a comparator circuit is provided between the single chip microcomputer and the servo controller so that the walking device speed after increase or decrease is between 250-400 mm / s.

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

[0012] 1. The present invention is provided with an automatic speed adjustment unit and a manual speed adjustment unit to realize automatic adjustment of the movement speed of the mobility device. The passengers can also adjust the speed by themselves based on the normal movement speed so that the passengers can ride within the acceptable speed range.

[0013] 2. The present invention is provided with an upward position sensor and a downward position sensor, and with the assistance of a front infrared distance sensor and a rear infrared distance sensor, to ensure that the mobility scooter accurately locates the deceleration position and the stop position during the movement, thereby increasing the sense of stability and security of the passengers;

[0014] 3. The present invention is provided with a walking switch. When the walking switch is pushed, the walking device moves forward at a uniform acceleration. The automatic speed adjustment unit makes the walking device move forward at a uniform speed of 300-350 mm / s in the intermediate process of movement, and decelerates uniformly to stop when reaching the designated position, so as to meet the speed requirements of elderly or disabled passengers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The schematic diagram of the speed control system of the walking device of the present invention;

[0016] Figure 2 is a structural block diagram of a speed control system of a walking device of the present invention;

[0017] Figure 3 The figure is a schematic diagram of the structure of a walking device to which the walking device speed control system of the present invention is applicable. DETAILED DESCRIPTION

[0018] 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.

[0019] like Figure 1 As shown, Figure 1The schematic diagram of the speed control system of the walking device of the present invention; the speed control system of the walking device comprises a speed monitoring unit 1 arranged on the servo motor 24 of the walking device, a speed control unit 2 arranged on the walking device, an automatic speed adjustment unit 3 arranged on the guide rail of the walking device and a manual speed adjustment unit 4 arranged in the handle of the walking device; wherein the speed monitoring unit 1 is electrically connected and connected to the walking device by signals, and the speed monitoring unit (1) is electrically connected and connected to the speed control unit 2 by signals, for monitoring the current speed of the walking device and sending the current speed to the speed control unit 2; the speed control unit 2 is electrically connected to the automatic speed adjustment unit 3 The speed control unit 2 is electrically connected and connected with signals, and the speed control unit 2 controls the automatic speed adjustment unit 3 or the manual speed adjustment unit 4 to adjust the current speed of the walking device according to the current speed of the walking device; the automatic speed adjustment unit 3 is electrically connected and connected with signals to the walking device, and the automatic speed adjustment unit 3 controls the movement speed of the walking device according to the control instruction sent by the speed control unit 2; the manual speed adjustment unit 4 is electrically connected and connected with signals to the speed control unit 2, and the speed control unit 2 is electrically connected and connected with signals to the walking device, and the manual speed adjustment unit 4 is used to increase or decrease the current speed of the walking device, and send the increased or decreased speed to the speed control unit 2. The present invention sets an automatic speed adjustment unit and a manual speed adjustment unit to realize automatic adjustment of the movement speed of the walking device, and the passengers can also adjust the speed by themselves on the basis of the normal movement speed, so that the passengers can ride within the acceptable speed range, and increase the riding experience of the passengers.

[0020] Please see Figure 3 , Figure 3 The present invention is a schematic structural diagram of a walking device applicable to the walking device speed control system of the present invention; the walking device comprises a guide rail arranged along the direction of the stairs, a passenger chair for passengers to sit on, and a power unit (not shown in the figure) for moving the passenger chair on the guide rail, a protective cover is provided outside the guide rail, the power unit is a walking skateboard arranged on the guide rail, the passenger chair is connected to the walking skateboard, and there is a motor on the walking skateboard to control the passenger chair to move upward or downward along the guide rail. The present invention respectively installs an upward position sensor 31 and a downward position sensor 32 on the upward side and the downward side of the protective cover, when the passenger chair moves to the front side of the upward position sensor 31 or the downward position sensor 32, the passenger chair decelerates and moves to a stop uniformly, in order to ensure that the walking device accurately locates the deceleration position and the stop position, it also includes a front infrared distance sensor 33 and a rear infrared distance sensor 34 arranged on both sides of the passenger chair of the walking device, in the figure, the front infrared distance sensor 33 and the rear infrared distance sensor 34 are installed on the walking skateboard in the protective cover, with the two ends of the protective cover as reference objects for measuring the distance; a walking switch 21 is also provided on the passenger chair.

[0021] Please see Figure 2 , Figure 2The structural block diagram of the speed control system of the walking device of the present invention; the walking switch 21 arranged on the handle of the sitting chair of the walking device, the single chip microcomputer 22 arranged in the sitting chair of the walking device, the servo controller 23 and the servo motor 24 arranged between the sitting chair and the guide rail of the walking device constitute the speed control unit 2, the servo controller 23 and the servo motor 24 are actually arranged on the walking slide to drive the walking slide to move on the guide rail, and then drive the sitting chair to move, the walking switch 21 is electrically connected to the servo controller 23 through the single chip microcomputer 22, and the servo controller 23 is electrically connected to the servo motor 24, which is used to send a start signal to the servo controller 23, so that the walking device can move forward uniformly and accelerate. The speed monitoring unit 1 adopts a motor speed sensor 11, and the motor speed sensor 11 monitors the speed of the servo motor 24 and sends the monitored speed signal to the servo controller 23.

[0022] Please see Figure 2 and Figure 3 The upward position sensor 31 and the downward position sensor 32 arranged on the guide rail of the scooter and the front infrared distance sensor 33 and the rear infrared distance sensor 34 arranged on both sides of the scooter seat constitute an automatic speed adjustment unit 3, wherein the upward position sensor 31 or the downward position sensor 32 is electrically connected to the servo controller 23 through the single-chip microcomputer 22, and is used to send a deceleration signal to the servo controller 23 so that the scooter decelerates and moves forward to stop; the front infrared distance sensor 33 or the rear infrared distance sensor 34 is electrically connected to the servo controller 23 through the single-chip microcomputer 22, and is used to measure the running distance of the scooter. The upward position sensor and the downward position sensor are set, and with the assistance of the front infrared distance sensor and the rear infrared distance sensor, it is ensured that the scooter accurately locates the deceleration position and the stop position during the movement, thereby increasing the sense of stability and security of the passengers.

[0023] Please see Figure 2 The manual speed adjustment unit 4 includes a speed controller 41 disposed in the seat of the walking device, and the walking switch 21 is electrically connected to the speed controller 41. When the seat is in operation, the walking switch 21 is used to control the speed controller 41, and the speed controller 41 is electrically connected to the servo controller 23 through the single-chip computer 22, so as to increase or decrease the current speed of the walking device. Standardly, when the walking switch is pushed, the walking device moves forward at a uniform acceleration, and moves forward at a uniform speed of 300-350 mm / s in the middle, and then decelerates to a stop at a designated position. However, in order to meet the speed requirements of elderly or disabled passengers, a comparator circuit is preferably provided between the single-chip computer 22 and the servo controller 23, so that the increased or decreased speed of the walking device is between 250-400 mm / s.

[0024] 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 speed control system for a walking device, characterized in that: The walking device speed control system comprises a speed monitoring unit (1), a speed control unit (2), an automatic speed adjustment unit (3) and a manual speed adjustment unit (4); wherein: The speed monitoring unit (1) is arranged on the servo motor (24) of the walking device and is electrically and signal-connected to the walking device, and the speed monitoring unit (1) is electrically and signal-connected to the speed control unit (2); the speed monitoring unit (1) monitors the current speed of the walking device and sends the current speed of the walking device to the speed control unit (2); The speed control unit (2) is arranged on the walking device and is electrically and signal-connected to the automatic speed adjustment unit (3); the speed control unit (2) controls the automatic speed adjustment unit (3) to adjust the current speed of the walking device according to the current speed of the walking device; the speed control unit (2) comprises a walking switch (21) arranged on the handle of the sitting seat of the walking device, a single-chip computer (22) arranged in the sitting seat of the walking device, a servo controller (23) and a servo motor (24) arranged between the sitting seat and the guide rail of the walking device; the walking switch (21) is electrically connected to the servo controller (23) through the single-chip computer (22), and the servo controller (23) is electrically connected to the servo motor (24) for sending a start signal to the servo controller (23) so that the walking device moves forward with uniform acceleration; The automatic speed regulating unit (3) is arranged on the guide rail of the walking device and is electrically and signal-connected to the walking device; the automatic speed regulating unit (3) controls the movement speed of the walking device according to the control instruction sent by the speed control unit (2); the automatic speed regulating unit (3) comprises an upward position sensor (31) and a downward position sensor (32) arranged on the guide rail of the walking device; the upward position sensor (31) or the downward position sensor (32) is electrically connected to the servo controller (23) through the single-chip computer (22) and is used to send a deceleration signal to the servo controller (23) so that the walking device is uniformly decelerated and moves forward until it stops; The manual speed adjustment unit (4) is arranged in the handle of the walking device, and is electrically and signal-connected to the speed control unit (2), and the speed control unit (2) is electrically and signal-connected to the walking device; the manual speed adjustment unit (4) increases or decreases the current speed of the walking device, and sends the increased or decreased speed to the speed control unit (2), and the speed control unit (2) controls the movement speed of the walking device; the manual speed adjustment unit (4) includes a speed controller (41) arranged in the seat of the walking device, and the speed controller (41) is electrically connected to the servo controller (23) through the single-chip microcomputer (22) and is used to increase or decrease the current speed of the walking device.

2. The walking device speed control system according to claim 1, characterized in that: The speed monitoring unit (1) uses a motor speed sensor (11), which monitors the speed of the servo motor (24) and sends the monitored speed signal to the servo controller (23).

3. The walking device speed control system according to claim 1, characterized in that: The automatic speed adjustment unit (3) also includes a front infrared distance sensor (33) and a rear infrared distance sensor (34) arranged on both sides of the seat of the walking device. The front infrared distance sensor (33) or the rear infrared distance sensor (34) is electrically connected to the servo controller (23) through the single-chip computer (22) and is used to measure the running distance of the walking device so that the walking device can accurately locate the deceleration position and the stop position.

4. The walking device speed control system according to claim 1, characterized in that: A comparator circuit is arranged between the single chip computer (22) and the servo controller (23) so that the speed of the walking device after increase or decrease is between 250-400 mm / s.

Images