CN113966905B - Telescopic special crowd's trip auxiliary assembly - Google Patents

Abstract

The invention relates to a telescopic auxiliary device for travel of special people, and belongs to the technical field of improvement of walking stick structures. The telescopic auxiliary equipment for the travel of the special crowds is designed jointly by a handle, a telescopic rod, a circular table base, a light sensor, a single chip microcomputer, a micro inflator pump, a micro aspirator pump, a two-way electric control valve and the like. The walking stick is toppling over the back, detect the angle information between walking stick and the vertical direction and transmit it for the singlechip by the position sensor who sets up in the handle, when walking stick inclination is greater than certain angle, the miniature aspirator pump of single chip microcomputer control inhales inside gas toward the external world, the round platform base is received back to the telescopic link, it stands to give the singlechip with information transfer when position sensor detects the walking stick, and then inside miniature inflator pump inhales outside gas into the walking stick, the telescopic link slowly extends to the original length, thereby realize the automatic flexible balance of standing of walking stick through the principle design that changes the centre of physical gravity, device structural design is reasonable, improvement to walking stick structural design has using value.

Description

Telescopic special crowd's trip auxiliary assembly

Technical Field

The invention relates to a telescopic auxiliary device for travel of special people, and belongs to the technical field of improvement of walking stick structures.

Background

By the end of 2017, the aged population above 60 years old in China already reaches 2.409 hundred million, accounting for 17.3% of the total population; the world health organization (world health organization for short) publishes the latest report on the international old people day (10 months and 1 day), and the population above 60 years old is expected to be twice as much as the current one in 2050; the work report of China old people nursing technology and auxiliary instrument exhibition shows that 72.8% of old people over 70 years old use the crutch; the national statistics institute of the people's republic of China reports that about 939 million old people who are not healthy but can take care of themselves in life account for about 53%. The consumer market is expected to scale to 3.3 trillion dollars by the year 2020, china and the elderly.

Compared with the vigorous market demand and the consumption desire of the old, the actions of related enterprises in China are lagged considerably, and the national groups dedicated to the production of walking sticks have excellent walking stick brands such as Yue Yuan, fang Tai, kangfa, youkanded, nippon, taikang, congto, kaiyang, and the big rainbow pharmacy in New City, but all of them are the aspects of the production of medical instruments, and have no formed brand for the traveling demand of the ordinary old.

The current consumer market of the old people in China is not mature, the number of the old products is relatively small, and the demand can not be met far away, so that the method has a wide prospect for developing and researching the old products, and the development of the silver market with the old people as consumers can improve the consumption index of residents in China to a great extent, and has great significance for expanding the internal demand under the current economic situation.

At present, common crutches are common crutches, and the old people have a plurality of problems, such as waist weakness

When the walking stick falls down, the walking stick does not have the ability of bending down to pick up the walking stick, and most walking sticks on the market do not have the automatic standing function, so that the patent library searches that only one automatic standing walking stick designed according to the tumbler principle is available, but the walking stick theory has excessive weight, so that a new problem that the old cannot normally use the walking stick due to excessive gravity is caused. From the angle, the invention strives to research an automatic standing crutch meeting the normal use of the old. Therefore, the present invention has a practical effect.

Disclosure of Invention

The invention provides telescopic auxiliary equipment for traveling of special people, which aims to skillfully and comprehensively utilize the physical principle by improving the structural design of a walking stick, suck air into and exhaust air out of the walking stick through the action of a miniature air suction pump and a miniature air charging pump, increase and contract a telescopic rod through the action of air pressure, change the moment and the arm of force of a lever model formed when the walking stick falls over the ground, enable the walking stick to automatically stand when falling over the ground on the principle of not increasing the weight of the walking stick, distribute stress in a reasonable and optimal state, keep a stable and upright state, save the trouble of bending the old to pick up the walking stick, increase an LED illuminating lamp under the condition of meeting the basic function, meet the requirement of traveling of the old at night and have practical application value.

The technical scheme adopted by the invention is as follows: the utility model provides a telescopic special crowd auxiliary assembly that goes out which characterized in that: comprises a handle, a telescopic rod, a round platform base, a light sensor, a singlechip, a micro inflator pump, a micro aspirator pump, a two-way electric control valve, an LED illuminating lamp, a storage battery, a gravity sensor, a charging port and a control switch, wherein the lower end of the handle is connected and fixed with the upper top structure of the telescopic rod, the bottom of the telescopic rod is connected and fixed with the top structure of the round platform base, the control switch is arranged at a position which does not influence the holding on the side surface of the handle, the light sensor and the charging port are arranged and fixed at the outer side of the round platform base, the micro inflator pump, the micro aspirator pump and the two-way electric control valve are fixed on a supporting platform of the round platform base, the micro inflator pump, the micro aspirator pump and the two-way electric control valve are arranged in a straight line, the micro inflator pump and the micro aspirator pump are arranged at two ends, the two-way electric control valve is in the middle, one channel connected with the outside and the channel connected with the two-way electric control valve, the channel pipeline connected with the outside is fixed on the circular platform base, a channel port is reserved, the channel is provided with a filter screen to prevent dust from entering the interior of a rod body, the two-way electric control valve is provided with three channels, two channels are respectively connected with the micro inflator pump and the micro aspirator pump, the connection modes are both fixedly connected and relatively immovable, one channel is communicated with the interior of the walking stick, the interior of the walking stick is of a hollow structure to realize the suction and discharge of internal and external gases, the singlechip, the storage battery and the gravity sensor are fixed on the bottom plane of the circular platform base and positioned below the micro inflator pump, the micro aspirator pump and the two-way electric control valve, the singlechip, the storage battery and the gravity sensor are in non-contact with the micro inflator pump, the micro aspirator pump and the two-way electric control valve, the LED illuminating lamp is of an arc-shaped sheet structure and is arranged along the outer side of the circular platform base and is in seamless contact and fixed around the circle, the illumination sensor, the miniature inflator pump, the miniature aspirator pump, the two-way electric control valve, the LED illuminating lamp and the gravity sensor are all in wired connection with and controlled by the singlechip, when the crutch falls over the ground, in a moment model taking a supporting point of a circular truncated cone base on the crutch, which is in contact with the ground, as a base point, the left end of the supporting point, namely the end close to the bottom plane of the circular truncated cone base, is large in mass at the beginning, but the distance between the supporting point and the circular truncated cone base, which is in contact with the ground, is short, namely the arm of force is short, the right end of the supporting point in the moment model, namely the end close to the handle, is small in mass, but the distance between the supporting point and the ground is long, at the moment, the left end is suspended, the right end is in contact with the ground, the moment model is balanced, but under the action of the air pump, the telescopic rod enters the left end from the right end of the supporting point, which is in contact with the circular truncated cone base and the ground, and then the left end quality increases and the right-hand member quality reduces, simultaneously because the shrink of telescopic link, the arm of force of left end is unchangeable, the arm of force of right-hand member progressively shortens along with the shrink of telescopic link, after the telescopic link shrink is accomplished, the moment model at this moment has changed, compare with former model, the quality of new model left end becomes big and the arm of force is unchangeable, the quality and the arm of force of right-hand member all diminish, former model is stable to be destroyed, the original balance is big for the right-hand member in the lever model with the strong point of support of round platform base and ground contact as the basic point, become big on the left side and then contact with ground this moment, and the round platform base that sets up is the bowl form, namely the side is the arc, the right-hand member is ascending that the left end descends this moment, the walking stick stands along the arc of round platform base side, and the bottom is planar structure, the walking stick is stood stably.

Further, the inside bearing platform who fixes miniature pump, miniature aspirator pump and two-way automatically controlled valve of round platform base, this bearing platform is located the left side of handle and two strong points of round platform base wherein strong point on the round platform base when the walking stick falls to the ground, also regard this strong point as the center, the one end of bottom platform on the round platform base, its purpose is in order to increase the quality of the one end of lever round platform base that uses round platform base strong point to form as the basic point on the walking stick when the walking stick falls to the ground, so be convenient for the walking stick to stand along round platform base outside arc.

Furthermore, among three channels of the two-way electric control valve, the top channel has no control switch, the channel is always in an open state, the channels at two ends of the lower part are controlled by the electric control valves and can be opened and closed, the two ends of the micro inflator pump and the micro aspirator pump have no control valves, and the channel is always in an open state.

Furthermore, the crutch body is closed, and air is sucked and discharged under the control of the singlechip on the miniature inflator pump, the miniature aspirator pump and the two-way electric control valve.

Furthermore, when the telescopic rod is in an extension state, the internal air is more, and when the telescopic rod is in a contraction state, the internal air is less.

Furthermore, an infrared touch sensor is arranged on the outer side of the handheld part at the top of the handle, and the infrared touch sensor is in wired connection with the single chip microcomputer and is controlled by the single chip microcomputer.

Further, because the during operation telescopic link can stretch out and draw back, so infrared touch sensor and control switch are greater than telescopic link length with the circuit length that the singlechip is connected, guarantee to be in the fully extended state at the telescopic link, and the body of rod longest circuit length still is enough promptly.

Furthermore, the infrared touch sensor can detect whether a user holds the handle, and when the infrared touch sensor detects that a heat source touches, the user uses the crutch at the moment.

Furthermore, when a person uses the crutch, the information can be transmitted to the single chip microcomputer, the infrared touch sensor and the gravity sensor form a detection end for judging whether the crutch works, the data detected by the infrared touch sensor and the gravity sensor is the basis for controlling the single chip microcomputer, and then the single chip microcomputer can control the air pump according to the information and the angle information.

Furthermore, the infrared touch sensor, the gravity sensor, the micro inflator pump, the micro aspirator pump, the two-way electric control valve and the single chip microcomputer form a main body of the device, and therefore the telescopic control function of the crutch is achieved.

Further, when the device is in operation, firstly, the infrared touch sensor is used for detecting the state of a user, namely whether the user exists, the gravity sensor is used for detecting the angle information of the crutch and the ground, and the four states are as follows: no user and a given threshold value of the angle to the ground, user and a given threshold value of the angle to the ground.

Furthermore, the device starts to work only in the state that the angle between the device and the ground reaches a given threshold value without a user, and the devices in other three states do not work.

Further, at the moment, a channel connected with one end of the micro air pump and the two-way electric control valve is controlled by the single chip microcomputer to be opened, the channel connected with one end of the micro air pump is closed, the micro air pump does not work at the moment, the micro air pump starts to work to discharge internal gas to the outside, the internal gas is reduced, the air pressure is reduced, the telescopic rod starts to contract under the action of pressure intensity until the telescopic rod contracts to the shortest, and the telescopic rod enters the circular table base to stand.

Further, when the walking stick stands up through lever principle, the telescopic link was in the contraction state this moment, gravity sensor detected the angle of walking stick and ground and had been greater than the angle of settlement when this time, reach the state of standing and stable, the passageway that single chip microcomputer control bi-pass electrical control valve and miniature aspirator pump one end were connected was closed this moment, the passageway of being connected with miniature inflator pump one end is opened, miniature inflator pump began work this moment, miniature aspirator pump is out of work, inhale towards the walking stick is inside with outside gas, inside gas becomes many, atmospheric pressure grow.

Further, the telescopic rod starts to extend under the action of pressure intensity until the telescopic rod extends to the original length, and the air pump stops working.

Further, two channel valves of single chip microcomputer control bi-pass electrical control valve bottom are closed simultaneously, and inside the unable walking stick that gets into of outside gas this moment, the inside gas of walking stick can't get into the external world, and the work of standing of whole walking stick is accomplished.

Furthermore, the outer side of the circular truncated cone base is designed to be uneven and anti-skidding, so that the walking stick can not skid when standing, and the middle space of the circular truncated cone base can completely accommodate the telescopic rod to enter after being shortened.

Furthermore, the telescopic link is connected by the multisection telescopic stub bar and is constituteed, and telescopic stub bar is from last to down every section stub bar diameter grow gradually, and the structure does not have the innovation, adopts the common multisection telescopic link design in market.

Furthermore, the infrared touch sensor, the illumination sensor, the LED illuminating lamp and the single chip microcomputer form an illuminating system of the device, the illumination sensor detects the external illumination, and the infrared touch sensor detects whether a person uses the device.

Further, when people use the LED illuminating lamp and the outside illumination intensity is smaller than the set illumination intensity value, the single chip microcomputer controls the LED illuminating lamp to be turned on, and when the infrared touch sensor detects that no people use the LED illuminating lamp or people use the LED illuminating lamp and the outside illumination intensity is larger than the set illumination intensity value, the single chip microcomputer controls the LED illuminating lamp to be turned off.

Furthermore, the control switch is the control switch of the whole device, when the control switch is closed, the whole device is in a power-off state at the moment, the device does not work completely, and the rod body depends on the state when the rod body is closed.

Furthermore, when the control switch is turned on, the device works normally, a user can select to turn on the control switch automatically, and the crutch can be indistinguishable from a normal crutch when the control switch is not turned on.

Furthermore, when the user does not use the crutch, the control switch (13) is turned off, so that the crutch does not work, wrong judgment can not be caused, electric quantity waste caused by nonuse is avoided, and the single charging use time is prolonged.

Further, detecting the angle between the crutch and the ground surface by adopting a gravity sensor, and setting the working angle threshold of the pump body to be 50 degrees; the illumination threshold value of the LED illuminating lamp is controlled to be 5lx, and the threshold value can be adjusted according to actual conditions.

Furthermore, the infrared touch sensor, the illumination sensor, the single chip microcomputer, the micro inflator pump, the micro air suction pump, the bi-pass electric control valve, the LED illuminating lamp and the gravity sensor are all powered by the storage battery, and the storage battery charges the storage battery through the charging port.

Furthermore, a portable mode is additionally arranged, when the walking stick is not used, the telescopic rod can be contracted through the two air pumps, so that the walking stick is shortest and is convenient to carry.

A telescopic special crowd trip auxiliary device comprises the following operation method steps:

the method comprises the following steps: the detection component completes various detection tasks, namely the infrared touch sensor and the gravity sensor detect the information of a user, and then when the user uses the crutch or the deviation angle of the crutch is less than 50 degrees, the telescopic component in the crutch does not work;

step two: when the infrared touch sensor and the gravity sensor detect that the crutch leaves a hand of a person and the deviation angle is larger than 50 degrees, information is sent to the single chip microcomputer, the single chip microcomputer can be combined with the information of the gravity sensor and the infrared touch sensor for comprehensive processing to obtain the crutch toppling information so as to promote the telescopic assembly to work, when the crutch topples, the telescopic rod is enabled to stretch under the action of external atmospheric pressure by utilizing the negative pressure principle through the combined action of the miniature inflator pump, the miniature aspirator pump and the two-way electric control valve, and stretch into the circular table base, and similarly, after the crutch stands, the crutch gradually recovers the original length;

step three: the illumination sensor is used for detecting the light of the surrounding environment, when the single chip microcomputer receives that the illumination intensity detected by the illumination sensor is smaller than the set threshold value for turning on the LED illuminating lamp, the single chip microcomputer controls the LED illuminating lamp to illuminate, and otherwise, the single chip microcomputer controls the LED illuminating lamp to be turned off.

Compared with the prior art, the invention has the following advantages: 1. the infrared touch sensor is used for detecting the information of a user, the gravity sensor is used for detecting the angle information between the crutch and the vertical direction, and the angle information can be adjusted according to the condition of the user and is intelligent and controllable; 2. the automatic standing telescopic balance of the crutch is realized by utilizing the principle of physical gravity center and the design of automatic telescopic, and the structure is ingenious and novel; 3. compared with the automatic standing crutch arranged by utilizing the principle of a tumbler, the crutch designed by the scheme has lighter weight and is more portable; 4. the lighting is provided at night, so that a user can go out all the time conveniently; 5. can add portable mode, contract the telescopic link promptly when not using, conveniently carry.

Drawings

FIG. 1 is a general structural layout of the present invention;

FIG. 2 is a partial structural layout of the present invention;

FIG. 3 is a signal processing logic diagram of the present invention;

FIG. 4 is an overall circuit diagram of the present invention;

the reference numbers in the figure are 1-handle, 101-infrared touch sensor, 2-telescopic rod, 3-round platform base, 4-illumination sensor, 5-single chip microcomputer, 6-micro inflator pump, 7-micro aspirator pump, 8-bi-pass electric control valve, 9-LED illuminating lamp, 10-storage battery, 11-gravity sensor, 12-charging port and 13-control switch.

Detailed description of the preferred embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings in combination with the detailed description. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Please refer to fig. 1-3; the invention provides telescopic auxiliary equipment for traveling of special people, which aims to skillfully and comprehensively utilize the physical principle by improving the structural design of a walking stick, suck air into the walking stick and exhaust the air through the action of a miniature air suction pump 7 and a miniature air inflation pump 6, increase and contract a telescopic rod through the action of air pressure, change the moment and the arm of force of a lever model formed when the walking stick falls down on the ground, enable the walking stick to automatically stand when falling down on the ground on the principle that the weight of the walking stick is not increased, distribute stress in a reasonable and optimal state, keep the walking stick in a stable and upright state, save the trouble that an old man bends down to pick up the walking stick, and simultaneously add an LED illuminating lamp 9 under the condition of meeting the basic function, meet the requirement of traveling of the old man at night and have practical application value.

The technical scheme adopted by the invention is as follows: the utility model provides a telescopic special crowd trip auxiliary assembly which characterized in that: comprises a handle 1, a telescopic rod 2, a circular table base 3, a light sensor 4, a singlechip 5, a micro inflator pump 6, a micro aspirator pump 7, a two-way electric control valve 8, an LED illuminating lamp 9, a storage battery 10, a gravity sensor 11, a charging port 12 and a control switch 13, wherein the lower end of the handle 1 is structurally connected and fixed with the top of the telescopic rod 2, the bottom of the telescopic rod 2 is structurally connected and fixed with the top of the circular table base 3, the control switch 13 is arranged at the side surface of the handle 1 without influencing the holding position, the light sensor 4 and the charging port 12 are arranged at the outer side of the circular table base 3 and fixed, the micro inflator pump 6, the micro aspirator pump 7 and the two-way electric control valve 8 are fixed on a supporting table of the circular table base 3, the micro inflator pump 6, the micro aspirator pump 7 and the two-way electric control valve 8 are arranged in a straight line, the micro inflator pump 6 and the micro aspirator pump 7 are arranged at two ends, the two-way electric control valve 8 is in the middle, the miniature inflator pump 6 and the miniature aspirator pump 7 are provided with two channels, one channel connected with the outside is a channel connected with a two-way electric control valve 8, the channel pipeline connected with the outside is fixed on the circular truncated cone base 3, a channel port is reserved, the channel is provided with a filter screen to prevent dust from entering the inside of a rod body, the two-way electric control valve 8 is provided with three channels, the two channels are respectively connected with the miniature inflator pump 6 and the miniature aspirator pump 7, the connection modes are fixed and connected, the two channels cannot move relatively, one channel is communicated with the inside of a walking stick, the inside of the walking stick is of a hollow structure and can realize the suction and discharge of internal and external gases, the singlechip 5, the storage battery 10 and the gravity sensor 11 are fixed on the bottom plane of the circular truncated cone base 3 and are positioned below the miniature inflator pump 6, the miniature aspirator pump 7 and the two-way electric control valve 8, the singlechip 5, the storage battery 10, the gravity sensor 11 and the miniature inflator pump 6, the miniature air suction pump 7 and the two-way electric control valve 8 are in no contact, the LED illuminating lamp 9 is of an arc sheet structure and is arranged along the outer side of the circular truncated cone base 3, a circle of air suction pump 7, the two-way electric control valve 8, the LED illuminating lamp 9 and the gravity sensor 11 are in seamless contact and fixed along the outer side of the circular truncated cone base 3, the illumination sensor 4, the miniature air suction pump 6, the miniature air suction pump 7, the two-way electric control valve 8, the LED illuminating lamp 9 and the gravity sensor 11 are all in wired connection with and controlled by the single chip microcomputer 5, when the walking stick falls down, in a moment model taking a supporting point of the circular truncated cone base 3 in contact with the ground as a base point, the left end of the supporting point, namely the end close to the bottom plane end of the circular truncated cone base 3 at the beginning, but the distance of the supporting point in contact with the circular truncated cone base 3 and the ground is short, namely the arm of force is short, the right end of the supporting point in the moment model, namely close to the handle 1, the end of the supporting point in the moment model is small in mass, but the distance of the supporting point in contact with the circular truncated cone base 3 and the ground is long, the left end is suspended, the right end contacts the ground, the moment model is balanced, but under the action of an air pump, the telescopic rod 2 enters the left end from the right end of a supporting point of the circular truncated cone base 3, which is in contact with the ground, the mass of the left end is increased, the mass of the right end is reduced, meanwhile, due to the contraction of the telescopic rod 2, the force arm of the left end is unchanged, the force arm of the right end is gradually shortened along with the contraction of the telescopic rod 2, after the contraction of the telescopic rod 2 is completed, the moment model at the moment is changed, compared with the original model, the mass of the left end of the new model is increased, the force arm is unchanged, the mass and the force arm of the right end are both reduced, the original model is stably damaged, the original balance in the lever model taking the supporting point of the circular truncated cone base 3 in contact with the ground as a base point is changed into a state that the right end is large and then is in contact with the ground, the left end is changed into a state and then is in contact with the ground, the circular truncated cone base 3 is arranged in a bowl shape, namely, the side surface is arc shape, at the moment, the left end descends and the right end ascends, the crutch stands along the arc shape of the side surface of the circular truncated cone base 3, the bottom is of a plane structure, and the crutch stands stably.

Further, the bearing platform of the miniature inflator pump 6, the miniature aspirator pump 7 and the two-way electric control valve 8 are fixed in the circular truncated cone base 3, the bearing platform is located on the left side of two supporting points of the handle 1 and the circular truncated cone base 3 when the crutch falls to the ground, namely the supporting point is taken as the center, one end of the platform at the bottom of the circular truncated cone base 3 is arranged on the circular truncated cone base 3, the purpose is to increase the mass of one end of the lever circular truncated cone base 3 which is formed by taking the supporting point of the circular truncated cone base 3 on the crutch as the base point when the crutch falls to the ground, and thus the crutch can stand along the arc outside the circular truncated cone base 3 conveniently.

Furthermore, among three channels of the two-way electric control valve 8, the top channel has no control switch, the channel is always in an open state, the channels at two ends of the lower part are controlled by the electric control valves and can be opened and closed, the two ends of the micro inflator pump 6 and the micro aspirator pump 7 have no control valves, and the channel is always in an open state, but because the micro inflator pump 6 and the micro aspirator pump 7 both have channels connected with the two-way electric control valve 8, the final effect of whether the channels of the micro inflator pump 6 and the micro aspirator pump 7 are opened or not is determined by the two-way electric control valve 8.

Furthermore, the crutch body is closed, and air suction and discharge are realized under the control of the singlechip 5 on the miniature inflator pump 6, the miniature aspirator pump 7 and the two-way electric control valve 8.

Further, when the telescopic rod 2 is in the extension state, the internal air is more, and when the telescopic rod 2 is in the contraction state, the internal air is less.

Furthermore, an infrared touch sensor 101 is further arranged on the outer side of a hand holding position at the top of the handle 1, and the infrared touch sensor 101 is in wired connection with the singlechip 5 and is controlled by the singlechip 5.

Further, because during operation telescopic link 2 can stretch out and draw back, the line length that infrared touch sensor 101 and control switch 13 and singlechip 5 are connected is greater than telescopic link 2 length, guarantees to be in the fully extended state at telescopic link 2, and the line length is still enough when the body of rod is the longest promptly.

Further, the infrared touch sensor 101 can detect whether a user holds a handle, and when the infrared touch sensor 101 detects a heat source touch, the user uses the crutch at the moment.

Furthermore, when a person uses the crutch, the information can be transmitted to the single chip microcomputer 5, the infrared touch sensor 101 and the gravity sensor 11 form a detection end for judging whether the crutch works, the data detected by the infrared touch sensor 101 and the gravity sensor 11 is the basis for controlling the single chip microcomputer 5, and then the single chip microcomputer 5 can control the air pump according to the information and the angle information.

Furthermore, the infrared touch sensor 101, the gravity sensor 11, the micro inflator pump 6, the micro aspirator pump 7, the two-way electric control valve 8 and the single chip microcomputer 5 form a main body of the device, and therefore the telescopic control function of the walking stick is achieved.

Further, when the device is working, firstly, the infrared touch sensor 101 detects the state of the user, i.e. whether the user is present, and the gravity sensor 11 detects the angle information of the crutch and the ground, and there are four states: no user and a given threshold value of the angle to the ground, user and a given threshold value of the angle to the ground.

Furthermore, the device starts to work only in the state that the angle between the device and the ground reaches a given threshold value without a user, and the devices in other three states do not work.

Further, at this time, the single chip microcomputer 5 controls the channel, connected with one end of the two-way electric control valve 8 and one end of the micro air suction pump 7, to be opened, the channel connected with one end of the micro air suction pump 6 is closed, at this time, the micro air suction pump 6 does not work, the micro air suction pump 7 starts to work, the internal air is discharged to the outside, the internal air is reduced, the air pressure is reduced, the telescopic rod 2 starts to contract under the action of pressure until the telescopic rod 2 contracts to the shortest, the telescopic rod enters the circular table base 3, and the walking stick stands.

Further, when the walking stick stands through lever principle, telescopic link 2 is in the contraction state this moment, gravity sensor 11 detects the angle of walking stick and ground and has been greater than the angle of settlement when this, reach the state of standing and stable, the passageway that singlechip 5 control bi-pass electric control valve 8 and miniature aspirator pump 7 one end are connected is closed this moment, the passageway of being connected with 6 one end of miniature inflator pump is opened, miniature inflator pump 6 begins to work this moment, miniature aspirator pump 7 is out of work, inhale outside gas toward the walking stick inside, inside gas becomes more, atmospheric pressure grow.

Further, the telescopic rod 2 starts to extend under the action of the pressure intensity until the telescopic rod 2 extends to the original length, and the air pump stops working.

Further, two channel valves at 8 bottoms of bi-pass electric control valve are closed simultaneously to singlechip 5 control, and inside the unable walking stick that gets into of outside gas this moment, the inside gas of walking stick can't get into the external world, and whole walking stick work of standing is accomplished.

Furthermore, the outer side of the circular truncated cone base 3 is designed to be uneven and anti-skidding, so that the walking stick can not skid when standing, and the space in the circular truncated cone base 3 can be completely used for accommodating the telescopic rod 2 and then entering after being shortened.

Furthermore, the telescopic rod 2 is formed by connecting a plurality of telescopic short rods, the diameter of each telescopic short rod is gradually increased from top to bottom, the structure is innovated, and the common multi-section telescopic rod design in the market is adopted.

Further, the infrared touch sensor 101, the illumination sensor 4, the LED illuminating lamp 9 and the single chip microcomputer 5 form an illuminating system of the device, the illumination sensor 4 detects the outside illumination, and the infrared touch sensor 101 detects whether a person uses the device.

Further, when the infrared touch sensor 101 detects that the infrared touch sensor is not used by people or used by people but the outside illuminance is greater than the set illuminance value, the single chip microcomputer 5 controls the LED illuminating lamp 9 to be turned off.

Further, the control switch 13 is a control switch of the whole device, when the control switch 13 is turned off, the whole device is in a power-off state, the device does not work completely, and the rod body depends on the state when the rod body is turned off.

Furthermore, when the control switch 13 is turned on, the device works normally, a user can select not to turn on the control switch 13, and when the control switch 13 is not turned on, the crutch can be indistinguishable from a normal crutch.

Furthermore, when the user does not use the crutch, the control switch 13 is turned off, so that the crutch does not work, wrong judgment can not be caused, electric quantity waste can be avoided when the crutch is not used, and the time for single charging use is prolonged.

Further, the angle between the crutch and the ground surface is detected by adopting a gravity sensor 11, and the angle threshold for controlling the pump body to work is set to be 50 degrees; the illumination threshold value of the LED illuminating lamp 9 is controlled to be 5lx, and the threshold value can be adjusted according to actual conditions.

Furthermore, the infrared touch sensor 101, the illumination sensor 4, the single chip microcomputer 5, the micro inflator pump 6, the micro air suction pump 7, the bi-pass electric control valve 8, the LED illuminating lamp 9 and the gravity sensor 11 are all powered by a storage battery 10, and the storage battery 10 charges the storage battery through a charging port 12.

Furthermore, a portable mode is additionally arranged, when the crutch is not used, the telescopic rod 2 can be contracted through the two air pumps, so that the crutch is shortest and is convenient to carry.

Please refer to fig. 4: the power supply part supplies power by using a 12V lithium battery, and the voltage is reduced to 3.3V through the power supply conversion module to supply power to each module. The first column on the left side of the circuit is a minimum system circuit of the singlechip 5, which ensures the normal work of the singlechip 5 and comprises an MCU, a reset circuit and a crystal oscillator circuit. The singlechip 5 controls a micro air pump 6 of an OUT1 through an IN1 pin bi-pass electric control valve 8OUT1, and an IN2 pin controls a micro air suction pump 7 of an OUT 2. The gravity sensor 11 is connected with the single chip microcomputer 5, and posture information of the crutch is read through SPI communication. The illumination sensor 4 is connected with the singlechip 5 and reads illumination information through IIC communication. The infrared touch sensor 101 is connected with the singlechip 5, and whether a person uses the infrared touch sensor is judged through a pin OUT. The LED lighting circuit is controlled by a pin LED of the singlechip 5, and the current flowing through the LED is larger through the triode amplifying circuit, so that the brightness of the LED lighting lamp 9 is stronger.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention shall be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (10)

1. The utility model provides a telescopic special crowd auxiliary assembly that goes out which characterized in that: comprises a handle (1), an expansion link (2), a circular table base (3), a lighting sensor (4), a singlechip (5), a micro inflator pump (6), a micro aspirator pump (7), a two-way electric control valve (8), an LED illuminating lamp (9), a storage battery (10), a gravity sensor (11), a charging port (12) and a control switch (13), wherein the lower end of the handle (1) is connected and fixed with the upper top structure of the expansion link (2), the bottom of the expansion link (2) is connected and fixed with the top structure of the circular table base (3), the control switch (13) is arranged at a position which does not influence the holding on the side surface of the handle (1), the lighting sensor (4) and the charging port (12) are arranged outside the circular table base (3) and are fixed, the micro inflator pump (6), the micro aspirator pump (7) and the two-way electric control valve (8) are fixed on a supporting platform of the circular table base (3), the micro inflator pump (6), the micro aspirator pump (7) and the two-way electric control valve (8) are arranged in a straight line, the micro inflator pump (6) and the two-way electric control valve (7) are connected with the two-way of the two-way inflator pump (7), a channel pipeline connected with the outside is fixed on a circular table base (3), a channel opening is reserved, the channel is provided with a filter screen to prevent dust from entering the inside of a rod body, a two-way electric control valve (8) is provided with three channels, two channels are respectively connected with a micro inflator pump (6) and a micro air suction pump (7), the connection modes are both fixedly connected and relatively immobile, one channel is communicated with the inside of a crutch, the inside of the crutch is of a hollow structure to realize the suction and discharge of internal and external gases, a single chip microcomputer (5), a storage battery (10) and a gravity sensor (11) are fixed on the bottom plane of the circular table base (3), the micro inflator pump (6), the micro air suction pump (7) and the two-way electric control valve (8) are positioned below the micro inflator pump (6), the micro air suction pump (7) and the two-way electric control valve (8), the single chip microcomputer (5), the storage battery (10), the gravity sensor (11) is in seamless contact with the micro inflator pump (6), the micro air suction pump (7) and the two-way electric control valve (8), an LED illuminating lamp (9) is of an arc sheet structure, the channel pipeline is arranged along the outside the circular table base (3), the circular table base is in a circular table base, and the LED lighting lamp (7) is in a model controlled by a wire, and is connected with the walking stick model by a wire, when the two-way electric control point of the walking stick, the walking stick is in a model, at the beginning, the left end of the supporting point, namely the end close to the bottom plane of the circular truncated cone base (3), has large mass, but the distance between the supporting point and the ground contact of the circular truncated cone base (3) is short, namely the force arm is short, the right end of the supporting point in the moment model, namely the end close to the handle (1), has small mass, but the distance between the supporting point and the ground contact of the circular truncated cone base (3) is long, at the moment, the left end is suspended, the right end contacts the ground, the moment model is balanced, but under the action of the air pump, the telescopic rod (2) enters the left end from the right end of the supporting point, namely the circular truncated cone base (3) contacts the ground, so that the mass of the left end is increased, the mass of the right end is reduced, and simultaneously, the force arm of the left end is unchanged due to the contraction of the telescopic rod (2), the arm of force of right-hand member progressively shortens along with the shrink of telescopic link (2), after telescopic link (2) shrink is accomplished, the moment model this moment has changed, compare with former model, the quality grow and the arm of force of new model left end is unchangeable, the quality and the arm of force of right-hand member all diminish, former model is stably destroyed, the balance is big for the right-hand member and then contacts with ground in the lever model of basic point with round platform base (3) and ground contact's strong point of strong point for the right-hand member in the fulcrum, become the left side big this moment and then contact with ground, and round platform base (3) of setting are the bowl form, the side is the arc promptly, the left end descends the right-hand member and rises this moment, the walking stick stands along the arc of round platform base (3) side, and the bottom is planar structure, the walking stick is stood stably.

2. The telescopic special crowd travel aid according to claim 1, wherein: the bearing platform is positioned at the left side of a supporting point on the circular table base (3) when a handle (1) and the circular table base (3) fall down, namely the supporting point is taken as the center, one end of a bottom platform on the circular table base (3) aims to increase the mass of one end of a lever circular table base (3) which is formed by taking the supporting point of the circular table base (3) on a crutch as a base point when the crutch falls down, so that the crutch conveniently stands along the outer side of the circular table base (3) in an arc shape, the two ends of the miniature air pump (6) and the miniature air pump (7) are both free of control valves in three channels of the two-way electric control valve (8), the top channel is free of control switches and is always in an open state, the channels at the two ends of the lower part are both controlled by the electric control valves, the two ends of the miniature air pump (6) and the miniature air pump (7) are both free of control valves, the channels are always in an open state, but the miniature air pump (6) and the miniature air pump (7) are both connected with the two-way electric control valves of the two-way valves (8), and the miniature air pump (8), and the two-way electric control valves determine whether the miniature air pump (8) is connected with the miniature air pump (6), and the miniature air pump (8), so that the miniature air pump (8) and the miniature air pump (5) and the miniature air pump (8), realize that gaseous inspiration and discharge, when telescopic link (2) are in the extension state, inside air is many, and when telescopic link (2) are in the shrink state, inside air is few.

3. The telescopic special crowd travel aid according to claim 1, wherein: the handle (1) top hold the department outside and still be provided with infrared touch sensor (101), infrared touch sensor (101) and singlechip (5) wired connection and receive singlechip (5) control, because during operation telescopic link (2) can stretch out and draw back, so infrared touch sensor (101) and control switch (13) are greater than telescopic link (2) length with the circuit length that singlechip (5) are connected, guarantee to be in the complete extension state at telescopic link (2), the line length is still sufficient when the body of rod is the longest, infrared touch sensor (101) can detect whether someone has the hand grip, when infrared touch sensor (101) detect there is the heat source touch, then explain that someone is using the walking stick this moment, when someone uses the walking stick, this information can be transmitted for the singlechip, infrared touch sensor (101) and gravity sensor (11) constitute the detection end of judging whether the walking stick is worked, the basis that singlechip (5) control is exactly the data that infrared touch sensor (101) and gravity sensor (11) detected, and then singlechip (5) can control the air pump according to this information and angle information.

4. The telescopic special crowd travel aid according to claim 1, wherein: infrared touch sensor (101), gravity sensor (11), miniature pump (6), miniature aspirator pump (7), bi-pass electric control valve (8), singlechip (5) constitute the main part of this equipment, realize the walking stick control function that stretches out and draws back promptly, when the device during operation, at first detect the user state through infrared touch sensor (101), whether have the user promptly, gravity sensor (11) detect walking stick and ground angle information, totally four kinds of states: the device is characterized in that the device does not work when no user exists and the angle with the ground reaches a given threshold value, no user exists and the angle with the ground does not reach the given threshold value, the device does not work when no user exists and the angle with the ground reaches the given threshold value, the device does not work in other three states, the single chip microcomputer (5) controls a channel, connected with one end of the two-way electric control valve (8), of the micro air suction pump (7) to be opened, a channel, connected with one end of the micro air suction pump (6), is closed, the micro air suction pump (6) does not work at the moment, the micro air suction pump (7) starts to work, internal gas is discharged to the outside, the internal gas is reduced, the air pressure is reduced, the telescopic rod (2) starts to contract under the action of the pressure, until the telescopic rod (2) contracts to the shortest, enters the circular truncated cone base (3), and the walking stick stands.

5. The telescopic special crowd travel aid according to claim 1, wherein: when the walking stick stands up through the lever principle, telescopic link (2) are in the contraction state this moment, gravity sensor (11) detect the angle of walking stick and ground and have been greater than the angle of settlement in this moment, reach the state of standing and stable, the passageway that singlechip (5) control bi-pass electric control valve (8) and miniature aspirator pump (7) one end are connected is closed this moment, the passageway of being connected with miniature inflator pump (6) one end is opened, miniature inflator pump (6) begin work this moment, miniature aspirator pump (7) are out of work, inhale inside the walking stick with outside gas, inside gaseous the change is many, atmospheric pressure grow, telescopic link (2) begin to extend under the effect of pressure, until telescopic link (2) extend to the original length, the air pump stop work, two passageway valves of singlechip (5) control bi-pass electric control valve (8) bottom are closed simultaneously, outside gas can't get into inside this moment, inside gas of walking stick can's body can't get into the external world, whole walking stick work is accomplished that stands.

6. The telescopic special crowd travel aid according to claim 1, wherein: the anti-skidding design of unevenness is used in the round platform base (3) outside, ensures that the walking stick can not skid when standing, telescopic link (2) are connected by the flexible quarter butt of multisection and are formed, flexible quarter butt is from last to every section quarter butt diameter grow gradually down, the space department can all hold telescopic link (2) and get into after shortening in the middle of round platform base (3).

7. The telescopic special crowd travel aid according to claim 1, wherein: infrared touch sensor (101), light sensor (4), LED light (9), singlechip (5) constitute the lighting system of this equipment, detect ambient illuminance by light sensor (4), infrared touch sensor (101) detect whether someone uses, when someone uses and ambient illuminance is less than the illuminance value of settlement, singlechip (5) control LED light (9) light, when infrared touch sensor (101) detect nobody use or someone uses but ambient illuminance is greater than the illuminance value of settlement, singlechip (5) control LED light (9) extinguish.

8. The telescopic special crowd travel aid according to claim 1, wherein: control switch (13) be the control switch of whole device, when control switch (13) are closed, whole device is in the outage state this moment, the device is out of work completely, the body of rod is depending on the state when closing, when control switch (13) are opened, the device is normally worked, the user can choose by oneself to beat and not open control switch (13), when not opening control switch (13), the walking stick can not have the difference with normal walking stick, close control switch (13) when the user does not use the walking stick in addition, this walking stick is out of work this moment, can not cause the false retrieval, and cause the electric quantity extravagant when avoiding not using, it is long when prolonging the single use of charging.

9. The telescopic special crowd travel aid according to claim 1, wherein: detecting the angle between the crutch and the ground surface by adopting a gravity sensor (11), and setting the working angle threshold of the pump body to be 50 degrees; the illumination threshold value of the LED illuminating lamp (9) is controlled to be 5lx, and the threshold value can be adjusted according to actual conditions.

10. The telescopic special crowd travel aid according to claim 1, characterized in that: the infrared touch sensor (101), the illumination sensor (4), the single chip microcomputer (5), the micro inflator pump (6), the micro aspirator pump (7), the bi-pass electric control valve (8), the LED illuminating lamp (9) and the gravity sensor (11) are powered by the storage battery (10), and the storage battery (10) is charged through the charging port (12).

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