CN113273777B

CN113273777B - Intelligence helping hand walking stick

Info

Publication number: CN113273777B
Application number: CN202110476379.3A
Authority: CN
Inventors: 江卓达; 潘维鑫; 耿宏伟; 黄玉鹏; 钱亚希; 刘大春
Original assignee: Jiujiang University
Current assignee: Jiujiang University
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-11-22
Anticipated expiration: 2041-04-29
Also published as: CN113273777A

Abstract

The invention provides an intelligent power-assisted walking stick which comprises an electric vehicle frame, and a storage box, a support rod and a handle which are arranged at the top end of the electric vehicle frame in sequence from bottom to top, wherein a gray sensor is fixed at the bottom end of the electric vehicle frame, an infrared sensor is fixed on the side wall of the front end of the electric vehicle frame, a single chip microcomputer is fixed inside the storage box, a pulse counting ring electrically connected with the single chip microcomputer is sleeved on the handle, the handle comprises an anti-skidding air bag chamber fixed at the top of the support rod, a sweat removing chamber fixed at one end of the top of the anti-skidding air bag chamber, and a radio fixed at the other end of the top of the anti-skidding air bag chamber, and a horizontal sensor and an alarm which are electrically connected with the single chip microcomputer are fixed on the surface of the outer wall of the anti-skidding air bag chamber. The invention relates to an intelligent walking stick integrating functions of assisting power of an intelligent electric vehicle frame, nursing family members in real time, tracing indoor black lines, automatically avoiding obstacles by infrared rays, loading and containing articles and buying vegetables and the like.

Description

Intelligent power-assisted walking stick

Technical Field

The invention mainly relates to the technical field of walking sticks, in particular to an intelligent power-assisted walking stick.

Background

At the present stage, china already enters an aging society, and as the aged grow, legs and feet of the aged become more and more inflexible and inconvenient to go out, the aged often need to be assisted by a crutch to go out.

According to the patent document with application number CN201721006429.7 provide with supplementary walking stick device for surgery, this product includes the bracing piece, upper end of the support bar one side swing joint has the fixed button of formula that resets, upper end of the support bar sliding connection has the telescopic link, telescopic link upper end fixedly connected with ties up the handle, tie up the handle including the protection foam-rubber cushion, the elastic bandage, anti-skidding handle, spliced pole and splint, protection foam-rubber cushion fixed connection is inboard at splint, elastic bandage fixed connection is in the splint middle part, anti-skidding handle fixed connection is in splint lower extreme one side, spliced pole fixed connection is at the splint lower extreme, the skid resistant base has been cup jointed to the bracing piece lower extreme, the skid resistant base includes the pipe box, the connection piece, supplementary branch, rubber antiskid cover and main tributary vaulting pole. The utility model discloses an adopt flexible design, increase hand fixing device, it is firm effectual, can carry out altitude mixture control.

However, the walking stick still has defects, for example, although the walking stick adopts a telescopic design and is added with a hand fixing device, the stabilization effect is good, when the old people go out for walking, if the old people have abnormity or emergency, the traditional walking stick cannot send distress signals to family people or people around through an effective way, and the old people cannot get a timely rescue, so that the walking assisting effect of the walking stick is influenced.

Disclosure of Invention

The invention mainly provides an intelligent power-assisted walking crutch which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an intelligent power-assisted walking crutch comprises an electric vehicle frame, and a storage box, a support rod and a grip which are positioned at the top end of the electric vehicle frame and are sequentially arranged from bottom to top;

a gray sensor is fixed at the bottom end of the electric vehicle frame, an infrared sensor is fixed on the side wall of the front end of the electric vehicle frame, and a single chip microcomputer is fixed inside the storage box;

the cover be equipped with on the handle with singlechip electric connection's pulse count ring, the handle is including being fixed in the antiskid gasbag room at bracing piece top is fixed in the room of removing sweat of antiskid gasbag roof portion one end, and is fixed in the radio of the antiskid gasbag roof portion other end, it is linked together with the outside through-hole at top to remove the indoor chamber of sweat, the outer wall surface mounting of antiskid gasbag room have with singlechip electric connection's level sensor and alarm, when level sensor detects the handle gradient and takes place unusually, trigger the alarm through the singlechip and report to the police and remind.

Further, a plurality of recesses that hold the user finger are seted up to the surface in antiskid gasbag room, adjacent two be equipped with the gear gasbag of wearing to locate on the antiskid gasbag room between the recess, the gear gasbag is given vent to anger the end and all extends to remove the indoor portion of sweat to the gear gasbag after utilizing to aerify stops user's finger, improves the non-skid property in antiskid gasbag room.

Furthermore, every the gear gasbag extends to the end of giving vent to anger of the indoor portion of removing sweat all is fixed with the release valve to blow through this air current to the user's palm removes sweat work, improves the antiskid nature of handle.

Further, the gear gasbag extends to the one end of the indoor portion of anti-skidding gasbag and is fixed in on the indoor wall of anti-skidding gasbag, just the gear gasbag extends to and is fixed with the termination block that the symmetry set up on the one end lateral wall of the indoor portion of anti-skidding gasbag to prevent that the gear gasbag from breaking away from the indoor portion of anti-skidding gasbag.

Furthermore, the inside of removing the sweat room is fixed with semiconductor heater, the top that removes the sweat room is fixed with a plurality of check valves that are array arrangement to prevent that external impurity from polluting removes the sweat room.

Furthermore, the inside of removing the sweat room is equipped with the fan, one side bottom and the opposite side top of fan all through the support bar with the inner wall that removes the sweat room is connected, improves the velocity of flow that removes the air current that the sweat room discharged, and then strengthens removing the blowing effect of sweat room to the user's palm.

Further, store up and receive case and bag including being fixed in the quick-witted case that just is used for holding the singlechip on electric motor car frame top and be fixed in receiver between machine case top and the bracing piece bottom, all set up the locating hole that a plurality of confession bolts passed on the lateral wall of machine case and receiver to the change is used for supporting the height of the bracing piece of user's body, improves the suitability of walking stick.

Further, thereby the height that is used for supporting the bracing piece of user's body is changed, improves the suitability of walking stick for the receiver of opening provides the space of placing object article for the old man, like shopping at ordinary times, carries article trip etc. avoids carrying heavy burden, and the receiver of closing can provide the effect of the rest of sitting for the old man, and is general like the bench. Good combination of resting and walking.

Further, the outer wall surface mounting of antiskid gasbag room has miniature camera, the one end that miniature camera was kept away from to antiskid gasbag room is fixed with LED light module, carries out PWM control with the singlechip to LED light module, and this function mainly is that the old man plays the illumination effect when walking in the dim environment of light.

Furthermore, the supporting rod is an electric telescopic rod, so that the length of the crutch can be adjusted according to the height of a user.

Compared with the prior art, the invention has the beneficial effects that:

the invention designs a practical and convenient intelligent old-helping crutch which integrates multiple functions of intelligent electric vehicle frame power assistance, real-time family nursing, indoor black line tracing, infrared automatic obstacle avoidance, loading and containing articles, vegetable buying and the like, length adjustment, automatic tumble alarm, LED illumination, radio, intelligent terminal data application, real-time understanding of the peripheral conditions of the old and the like.

Secondly, the invention designs the electric bicycle frame, when the pulse counting ring measures that the pulse of the user exceeds a threshold value, the speed of the electric bicycle frame is reduced, and the anti-skid degree between the grip and the palm of the user is improved, so that the supporting strength of the walking stick to the user is improved.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the grip of the present invention;

FIG. 3 is a schematic view of the external structure of the grip of the present invention;

FIG. 4 is a schematic view of an axial structure of the present invention;

FIG. 5 is a bottom view of the present invention;

FIG. 6 is a schematic view of the internal structure of the storage box of the present invention;

FIG. 7 is a schematic view of the storage case of the present invention;

FIG. 8 is a schematic diagram of a gray scale sensor circuit according to the present invention;

FIG. 9 is a circuit diagram of the electric vehicle frame chassis of the present invention;

FIG. 10 is a diagram of a single-chip microcomputer control system of the present invention

FIG. 11 is a circuit diagram of the design of the electric bicycle frame control unit of the present invention.

In the figure: 10. an electric vehicle frame; 11. an infrared sensor; 12. a grayscale sensor; 20. a storage bin; 21. electrically heating the seat cushion; 22. positioning holes; 23. a chassis; 24. a storage box; 30. a support bar; 40. a grip; 41. an anti-skid air bag chamber; 411. a gear airbag; 412. a groove; 413. a termination block; 414. a gas release valve; 42. a sweat removing chamber; 421. a semiconductor heater; 422. a fan; 423. a one-way valve; 424. a supporting strip; 43. a radio; 44. a level sensor; 45. an alarm; 46. a miniature camera head; 47. an LED light module; 50. and (4) a pulse counting ring.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 8, in a preferred embodiment of the present invention, an intelligent walking stick includes an electric vehicle frame 10, and a storage box 20, a support rod 30 and a grip 40, which are located at the top end of the electric vehicle frame 10 and are sequentially arranged from bottom to top;

a gray sensor 12 is fixed at the bottom end of the electric vehicle frame 10, an infrared sensor 11 is fixed on the side wall of the front end of the electric vehicle frame 10, and a single chip microcomputer 13 is fixed inside the storage box 20;

the handle 40 is sleeved with a pulse counting ring 50 electrically connected with the single chip microcomputer 13, the handle 40 comprises an anti-skidding air bag chamber 41 fixed at the top of the supporting rod 30, a sweat removing chamber 42 fixed at one end of the top of the anti-skidding air bag chamber 41 and a radio 43 fixed at the other end of the top of the anti-skidding air bag chamber 41, the inner cavity of the sweat removing chamber 42 is communicated with the outside through a through hole at the top, a level sensor 44 and an alarm 45 electrically connected with the single chip microcomputer 13 are fixed on the outer wall surface of the anti-skidding air bag chamber 41, and when the level sensor 44 detects that the inclination of the handle 40 is abnormal, the alarm 45 is triggered by the single chip microcomputer 13 to alarm and remind;

it should be noted that, in this embodiment, the gray scale sensor 12 at the bottom of the electric vehicle frame 10 may utilize different reflection abilities of black lines to infrared rays to receive different reflected light intensity signals through a photodiode or a phototransistor, convert the different light intensities into current signals, and finally convert the current signals into high and low levels recognizable by the single chip microcomputer 13 through a resistor, detect a black track of a road surface, and feed the road surface detection signals back to the single chip microcomputer 13, the single chip microcomputer 13 analyzes and judges the acquired signals, and controls and drives the electric vehicle frame 10 to steer in time, so that the electric vehicle frame 10 can automatically travel along the black track, and the purpose of automatically tracking the electric vehicle frame 10 is achieved;

furthermore, a single chip microcomputer 13 with the model number of AT89C51 is used as a detection and control center, an infrared sensor 11 is used for detecting obstacles, a motor driving circuit of the electric vehicle frame 10 adopts a TL298N driving chip, information is acquired through the infrared sensor 11 and is sent to the main control single chip microcomputer 13 for processing, corresponding actions are executed after data processing is completed, so that the purpose of automatic control is achieved, an obstacle avoidance module in the design is completed by infrared ray receiving and sending, a control unit processes data and then executes corresponding actions, a design circuit of the control unit is shown in figure 8, and the functions of unmanned intervention and a series of actions can be completed are achieved;

furthermore, the supporting rod 30 can adjust the length of the crutch according to the height of the user, and the supporting rod 30 is provided with a USB charging port which is connected to the power supply of the electric vehicle frame 10;

further, a horizontal sensor 44 is arranged on the handle 40, so that the inclination angle of the handle 40 is obtained by applying the horizontal sensor 44 to judge whether the old is in a normal, about-to-fall or fallen state, and an alarm 45 connected with a power supply alarms to ask for help to the surrounding people;

furthermore, the electric vehicle frame 10 can automatically move along the route according to the help of the gray sensor 12, the infrared sensor 11 and the single chip microcomputer 13, so that the old can manually control the trolley to provide assistance for the old to move and walk on the road, and the electric vehicle frame is easy and labor-saving;

furthermore, a movable Beidou positioning receiving and transmitting module is selected, so that the data can be transmitted to the background in real time in places where the mobile phone has signals. For the old, the stable network communication mode is more suitable for the old than other communication modes such as WIFI and Bluetooth.

Specifically, please refer to fig. 2 and 3 again, in another preferred embodiment of the present invention, a plurality of grooves 412 for accommodating fingers of a user are formed on an outer surface of the anti-slip airbag chamber 41, a gear airbag 411 disposed through the anti-slip airbag chamber 41 is disposed between two adjacent grooves 412, an air outlet end of the gear airbag 411 extends into the interior of the sweat-removing chamber 42, an air outlet end of each gear airbag 411 extending into the interior of the sweat-removing chamber 42 is fixed with an air outlet valve 414, one end of the gear airbag 411 extending into the anti-slip airbag chamber 41 is fixed on an inner wall of the anti-slip airbag chamber 41, and a symmetrically disposed end block 413 is fixed on a side wall of one end of the gear airbag 411 extending into the interior of the anti-slip airbag chamber 41;

it should be noted that, in this embodiment, when the pulse counting ring 50 measures that the pulse of the user exceeds the threshold value, the single chip microcomputer 13 with the model number of AT89C51 controls the air pump to inflate the shift position air bag 411, and since the shift position air bag 411 is located between the two grooves 412 and the grooves 412 on the anti-slip air bag chamber 41 are used for accommodating fingers, the fingers of the user are blocked by the inflated shift position air bag 411, so that the anti-slip performance of the anti-slip air bag chamber 41 is improved;

further, the redundant gas in the shift position air bag 411 can be discharged into the sweat removing chamber 42 through the air release valve 414 extending to the inside of the sweat removing chamber 42, so that the gas flow is generated in the sweat removing chamber 42, and the air flow is used for carrying out the sweat removing work on the blowing of the palm of the user, thereby improving the anti-skid property of the grip 40;

further, the stop block 413 on the shift position air bag 411 is blocked by the slide air bag chamber 41 through the inner wall thereof, thereby preventing the shift position air bag 411 from being separated from the slide air bag chamber 41.

Specifically, please refer to fig. 2 and 3 again, in another preferred embodiment of the present invention, a semiconductor heater 421 is fixed inside the sweat removing chamber 42, a plurality of one-way valves 423 arranged in an array are fixed at the top end of the sweat removing chamber 42, a fan 422 is arranged inside the sweat removing chamber 42, and the bottom of one side and the top of the other side of the fan 422 are connected to the inner wall of the sweat removing chamber 42 through support bars 424;

it should be noted that, in the present embodiment, the air flow inside the sweat removing chamber 42 can flow out through the one-way valve 423 and blow the palm of the user, and the external air does not flow back, so as to prevent the external impurities from polluting the sweat removing chamber 42;

further, the fan 422 is used to accelerate and guide the air flow in the sweat removing chamber 42, so as to increase the flow rate of the air flow discharged from the sweat removing chamber 42, and further enhance the blowing effect of the sweat removing chamber 42 on the palm of the user.

Specifically, please refer to fig. 6, 7 and 8 again, in another preferred embodiment of the present invention, the storage box 20 includes a case 23 fixed on the top end of the electric vehicle frame 10 and used for accommodating the single chip microcomputer 13, and a storage box 24 fixed between the top end of the case 23 and the bottom end of the support rod 30, a plurality of positioning holes 22 for bolts to pass through are opened on the side walls of the case 23 and the storage box 24, and the top end of the storage box 24 is hinged with an electric heating cushion 21;

it should be noted that, in this embodiment, the storage box 24 is enabled to be aligned with different positioning holes 22 on the case 23 through the positioning holes 22 thereon, so as to adjust the height of the storage box 24, and the support rods 30 are fixed on the storage box 24, so as to change the height of the support rods 30 for supporting the body of the user, and improve the applicability of the walking stick;

further, make the receiver 24 of opening provide the space of placing article for the old man, like shopping at ordinary times, carry article trip etc. avoid carrying heavy burden, the receiver 24 of closing can provide the effect of the rest of sitting for the old man, like the bench is general. Good combination of rest and walking.

Specifically, please refer to fig. 2 and 3 again, in another preferred embodiment of the present invention, a micro camera 46 is fixed on the outer wall surface of the anti-skid air bag chamber 41, an LED light module 47 is fixed on one end of the anti-skid air bag chamber 41 far away from the micro camera 46, and the support rod 30 is an electric telescopic rod;

it should be noted that, in this embodiment, the LED light module 47 adopts a lamp head with a diameter of 41mm, and performs PWM control on the lamp head by using the single chip microcomputer 13, which mainly plays a role of illumination when the elderly walk in a dim environment;

furthermore, the miniature cameras 46 are arranged at the front end and the rear end of the grip 40, pictures are connected with the mobile phone end of a family through the built-in mobile wifi, when the mobile phone is started, the surrounding environment of the old can be seen in real time, surrounding sounds of the old can also be heard, if the old is abnormal or in an emergency, the family can know the surrounding situation of the old in time, and the mobile phone is safer and more efficient;

further, the length of the crutch can be adjusted according to the height of the user by the supporting rod 30, the most comfortable use effect is achieved, the crutch is adjusted by the user when used, and the model proportion is 1:2, the height of the model walking stick is 0-30 CM, the height of the object is 0-60 CM, and the aperture is 8mm. The internal and external diameters of the telescopic lifting rod are 20 x 22mm,17 x 19 meet the height requirement of a human body.

The specific operation mode of the invention is as follows:

when a user uses the intelligent walking stick, the user can drive the electric vehicle frame 10 to assist after turning on a switch button of the intelligent walking stick, meanwhile, the gray scale sensor 12 at the bottom end of the electric vehicle frame 10 can utilize different reflecting capacities of black lines to infrared rays to receive different reflected light intensity signals through a photosensitive diode or a photosensitive triode, the different reflected light intensities are converted into current signals, and finally the current signals are converted into high and low levels which can be identified by the single chip microcomputer 13 through resistors, the black track of the road surface is detected, the road surface detection signals are fed back into the single chip microcomputer 13, the single chip microcomputer 13 analyzes and judges the collected signals, and the electric vehicle frame 10 is controlled and driven to steer in time, so that the electric vehicle frame 10 can automatically run along the black track, and the purpose of automatically tracking the electric vehicle frame 10 is realized;

when an obstacle is encountered, the infrared sensor 11 is used for detecting the obstacle, the TL298N driving chip is used as a motor driving circuit of the electric vehicle frame 10, information is collected through the infrared sensor 11 and sent into the main control single chip microcomputer 13 to be processed, corresponding actions are executed after data processing is completed, the purpose of automatic control is achieved, and the obstacle avoidance module is completed through infrared ray receiving and sending.

The present invention is described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention is within the scope of the present invention as long as the insubstantial modifications of the method concept and technical solution of the present invention are adopted or the concept and technical solution of the present invention are directly applied to other occasions without the modifications.

Claims

1. An intelligent power-assisted walking crutch is characterized by comprising an electric vehicle frame (10), and a storage box (20), a support rod (30) and a grip (40) which are positioned at the top end of the electric vehicle frame (10) and are sequentially arranged from bottom to top;

a gray sensor (12) is fixed at the bottom end of the electric vehicle frame (10), an infrared sensor (11) is fixed on the side wall of the front end of the electric vehicle frame (10), and a single chip microcomputer (13) is fixed inside the storage box (20);

the handle (40) is sleeved with a pulse counting ring (50) electrically connected with the single chip microcomputer (13), the handle (40) comprises an anti-skidding air bag chamber (41) fixed to the top of the supporting rod (30), a sweat removing chamber (42) fixed to one end of the top of the anti-skidding air bag chamber (41), and a radio (43) fixed to the other end of the top of the anti-skidding air bag chamber (41), an inner cavity of the sweat removing chamber (42) is communicated with the outside through a through hole in the top, a horizontal sensor (44) and an alarm (45) electrically connected with the single chip microcomputer (13) are fixed on the surface of the outer wall of the anti-skidding air bag chamber (41), and when the horizontal sensor (44) detects that the inclination of the handle (40) is abnormal, the alarm (45) is triggered by the single chip microcomputer (13) to alarm for alarm reminding;

a plurality of grooves (412) for accommodating fingers of a user are formed in the outer surface of the anti-skidding air bag chamber (41), a gear air bag (411) penetrating through the anti-skidding air bag chamber (41) is arranged between every two adjacent grooves (412), and the air outlet end of each gear air bag (411) extends into the sweat removing chamber (42);

the top end of the storage box (20) is hinged with an electric heating cushion (21);

an air outlet end of each gear airbag (411) extending to the inside of the sweat removing chamber (42) is fixedly provided with an air release valve (414), and when the pulse of a user measured by the pulse counting ring (50) exceeds a threshold value, the air pump is controlled by the singlechip (13) to inflate the gear airbags (411);

a semiconductor heater (421) is fixed inside the sweat removing chamber (42), and a plurality of one-way valves (423) which are arranged in an array manner are fixed at the top end of the sweat removing chamber (42);

remove the inside of sweat room (42) and be equipped with fan (422), one side bottom and the opposite side top of fan (422) all through support bar (424) with remove the inner wall of sweat room (42) and be connected.

2. The walking stick of claim 1, wherein one end of the gear airbag (411) extending into the antiskid airbag chamber (41) is fixed on the inner wall of the antiskid airbag chamber (41), and the side wall of one end of the gear airbag (411) extending into the antiskid airbag chamber (41) is fixed with symmetrically arranged stop blocks (413).

3. The walking stick of claim 1, wherein the storage box (20) comprises a case (23) fixed to the top end of the electric vehicle frame (10) and used for containing the single chip microcomputer (13), and a storage box (24) fixed between the top end of the case (23) and the bottom end of the support rod (30), and a plurality of positioning holes (22) for bolts to pass through are formed in the side walls of the case (23) and the storage box (24).

4. The walking crutch of claim 1 wherein the support rod (30) is an electric telescopic rod.

5. The walking stick of claim 1, wherein a micro camera (46) is fixed on the surface of the outer wall of the anti-skid air bag chamber (41), and an LED light module (47) is fixed on one end of the anti-skid air bag chamber (41) far away from the micro camera (46).