CN104800012A - Electrically powered wheelchair adjusting device based on computer instructions - Google Patents
Electrically powered wheelchair adjusting device based on computer instructions Download PDFInfo
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- CN104800012A CN104800012A CN201510197331.3A CN201510197331A CN104800012A CN 104800012 A CN104800012 A CN 104800012A CN 201510197331 A CN201510197331 A CN 201510197331A CN 104800012 A CN104800012 A CN 104800012A
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Abstract
The invention relates to a handicapped assistance apparatus and aims at solving the problem that the gradient of the existing wheelchair cannot be adjusted. The invention provides an electrically powered wheelchair adjusting device based on computer instructions. The electrically powered wheelchair adjusting device comprises a frame; a wheelchair comprises four wheels which are fixed to the frame and a seat which is fixed to the frame; the frame comprises an upper frame and a lower frame; the seat is fixed to the upper frame; the four wheels are fixed to the lower frame; the lower frame comprises arc-shaped components which enable the upper frame to slide along the lower frame to change the gradient of the seat. The adjusting device also comprises a gradient sensor which is fixed to the sensor and is used for detecting the gradient of the seat, a driving device which is fixed to the lower frame and is used for driving the upper frame to slide along the lower frame, and a controller; the controller is in signal communication with the sensor and the driving device; when the gradient of the seat exceeds the maximum limit value, the controller commands the driving device to drive the upper frame to slide along the arc-shaped components, and the upper frame and the seat recover the horizontal state, so that the gradient of the seat can be adjusted.
Description
Technical field
The present invention relates to people with disability's power assistive device, a kind of electric wheelchair adjusting device based on computer instruction is specifically provided.
Background technology
Wheelchair has been widely used in and has helped people with disability's walking and move.Early stage wheelchair is by Manual-pushing, and self is not with driving device.Occurred a lot of electric wheelchair now, these electric wheelchairs use motor to drive wheel to operate, thus make people with disability can move wheelchair voluntarily, and do not need other people help.But there are some problems in existing electric wheelchair.Specifically, when people with disability oneself drive electric wheelchair go up a slope or descending time, the gradient of described wheelchair cannot adjust, and this can cause wheelchair overturning or tumble forward backward in extreme circumstances, there is very large potential safety hazard.Therefore, this area needs a kind of wheel-chair to eliminate this potential safety hazard.
Summary of the invention
The present invention is intended to solve the above-mentioned problems in the prior art, and specifically, the gradient that the present invention is intended to solve existing wheelchair cannot adjust the problem therefore may toppled when ascents and descents.For this purpose, the invention provides a kind of electric wheelchair adjusting device based on computer instruction.The described electric wheelchair adjusting device based on computer instruction comprises vehicle frame, this wheelchair comprises the multiple wheel being fixed on bottom of frame and the seat being fixed on vehicle frame top, it is characterized in that, described vehicle frame comprises the upper frame and lower vehicle frame that slide over each other and connect, described seat is fixed to the top of described upper frame, described multiple wheel is fixed to the bottom of described lower vehicle frame, described lower vehicle frame comprises at least one identical arc component of curvature that the fore-and-aft direction along described wheelchair extends, described upper frame is made to slide along described lower vehicle frame thus to change the gradient of described upper frame and described seat.Further, described electric wheelchair adjusting device comprises further: inclination sensor, and it is fixed on described seat, for sensing the gradient of described seat; Driving device, it is fixed on described lower vehicle frame, slides along described lower vehicle frame for driving described upper frame; And based on the controller of computer instruction, itself and described inclination sensor and described driving device signal communication and be arranged on described seat or described upper frame or described lower vehicle frame; When the signal received from described inclination sensor shows that the gradient of described seat exceedes threshold limit value, described controller sends instruction to described driving device, order described driving device to drive described upper frame to slide along the arc component of described lower vehicle frame, thus make described upper frame and described seat be returned to level.Described upper frame comprises four bars being connected to each other integral, and the top of described bar is fixedly connected with the bottom of described seat, and the bottom of described bar is provided with sliding sleeve, and described sliding sleeve is slidably arranged on the arc component of described lower vehicle frame.Described arc component is two arc supports be connected to each other, and described two arc supports extend along the fore-and-aft direction of described wheelchair, and each arc support is provided with two ends and each end is respectively arranged with one in described four wheels.
In the preferred implementation of aforementioned electric wheelchair adjusting device, each in described two arc supports comprises horizontally disposed crossbeam, described driving device is four hydraulic cylinders be arranged on described crossbeam, and the front and rear of each crossbeam arrange a described hydraulic cylinder respectively.Hydraulic cylinder is used to make become more reliable to the adjustment of this wheelchair gradient and more easily control as driving device of the present invention.
In the preferred implementation of aforementioned electric wheelchair adjusting device, one end of described hydraulic cylinder is connected to described crossbeam actively, and the other end of described hydraulic cylinder is connected to described upper frame actively.
In the preferred implementation of aforementioned electric wheelchair adjusting device, every root in described four bars also comprises the extension be arranged on bottom described sliding sleeve, each extension is connected with described driving device, and described driving device drives described extension thus described upper frame and described seat are slided along described lower vehicle frame.
In the preferred implementation of aforementioned electric wheelchair adjusting device, described upper frame also comprises four root bars, every root in described four root bars is all permanently connected by the bar that its one end is corresponding to described four bars, and the every root in described four root bars is all fixedly connected with by the bottom of its other end with described seat.Rib and bar and seat bottom three constitute the very high triangular structure of stability, thus described seat and described upper frame obtain good reinforcing.
In the preferred implementation of aforementioned electric wheelchair adjusting device, described upper frame, described lower vehicle frame, described rib and described crossbeam are all made up of aluminium alloy.These parts are made up of aluminium alloy and are made according to wheelchair of the present invention very light, are therefore easier to by people with disability's Self-operating and required driving force and reduce.
Those skilled in the art are it is easily understood that owing to adopting said structure, the present invention can adjust the seat gradient of wheelchair in time, therefore avoids the problem that wheelchair may topple when ascents and descents.
Accompanying drawing explanation
Fig. 1 is the side view according to the electric wheelchair adjusting device based on computer instruction of the present invention, and described wheelchair is in level in the figure.
Fig. 2 is another side view according to the electric wheelchair adjusting device based on computer instruction of the present invention, and described wheelchair is in upward slope state in the figure.
Fig. 3 is another side view according to the electric wheelchair adjusting device based on computer instruction of the present invention, and described wheelchair is in descending state in the figure.
Detailed description of the invention
Fig. 1 is the side view according to the electric wheelchair adjusting device based on computer instruction of the present invention, and described wheelchair is in level in the figure.As shown in Figure 1, electric wheelchair adjusting device based on computer instruction comprises vehicle frame, this wheelchair 1 comprises four wheels 5 (due to the relation of viewing angle, illustrate only two wheels 5 in Fig. 1) being fixed on bottom of frame and the seat 2 being fixed on vehicle frame top.Can also observe from Fig. 1, seat 2 comprises seat body 21; Vehicle frame comprises upper frame 3 and lower vehicle frame 4 further, and upper frame 3 and lower vehicle frame 4 are connected to each other and can relative to each other slide.Seat body 21 is fixed to the top of upper frame 3, and four wheels 5 are fixed to the bottom of lower vehicle frame 4.Wheelchair 1 also comprises inclination sensor 22, and inclination sensor 22 is arranged on and seat body 21 (is preferably arranged on the bottom of seat body 21) and gradient for sensing seat 2 (specifically seat body 21).Lower vehicle frame 4 comprises at least one (such as, including but not limited to 1,2,3,4,5 or 6) arc component 41.In the preferred implementation of Fig. 1, lower vehicle frame 4 comprises two arc components 41 being separately positioned on wheelchair 1 left and right sides.Arc component 41 along wheelchair 1 fore-and-aft direction extend and curvature is identical in the direction in which.More particularly, the identical curvature values constant magnitude (curvature does not change) referring to the arch section of this component of arc component 41 curvature.Further, upper frame 3 comprises the connector that cooperatively interacts with arc component 41 and the size and shape of this connector is arranged to be suitable for arc component 41 and is relative to each other slided with this connector; Upper frame 3 to be arranged on arc component 41 by this connector and can to slide on this arc component 41 along the fore-and-aft direction of wheelchair 1, thus changes the gradient of upper frame 3 and seat 2 (specifically seat body 21).Preferably, arc component 41 is two arc supports 41 be connected to each other; Absolute position both both main purpose be connected to each other is to help to limit and relative position between the two, this connection affects upper frame 3 and the movement relative to each other of lower vehicle frame 4 never in any form.Particularly, these two arc supports 41 extend along the fore-and-aft direction of wheelchair 1; And each arc support 41 has 2 ends, each end arranges 1 in four wheels respectively.In a preferred embodiment, upper frame 3 comprises and is connected to each other four bars 32 integral (due to the relation of viewing angle, illustrate only two bars 32 in Fig. 1), the top of every root bar 32 is fixedly connected with the bottom of seat 2 (specifically seat body 21) and the bottom of every root bar 32 is all provided with sliding sleeve 34.On the arc component that sliding sleeve 34 is slidably arranged on lower vehicle frame 4 41.Sliding sleeve 34 is exactly previously described being arranged in upper frame 3 and a kind of specific implementation of the connector cooperatively interacted with arc component 41.Certainly, this connector can also be realized with other appropriate ways.Should be understood that, slidably installing herein refers to that both that be installed together can relative to each other slide.
In addition, driving device and the controller (attached not shown) based on computer instruction is also comprised according to adjusting device of the present invention.Driving device to be fixed on lower vehicle frame 4 and for driving previously described upper frame 3 to slide (sliding sleeve 34 slides relative to arc component 41 in other words) relative to lower vehicle frame 4.Based on the controller of computer instruction and inclination sensor 22 and driving device signal communication and this controller is arranged on parts in following parts: seat 2, upper frame 3 and lower vehicle frame 4.When the signal received from inclination sensor 22 shows that the gradient of seat body 21 exceedes threshold limit value, controller sends instruction to driving device, command driven device driving upper frame 3 is slided along the arc component of lower vehicle frame 4, makes seat body 21 turn back to level.Exemplarily, the threshold limit value of above-mentioned gradient is usually between 10 ° to 30 ° and be most preferably 20 °, concrete numerical value depends on that the size of wheelchair, structure, user are to factors such as the tolerances of heeling condition, and this numerical value can be arranged to be regulated voluntarily by user.When inclination sensor 22 sense seat body 21 be returned to level time, sensor 22 transmits a signal to the controller based on computer instruction and sends instruction by this controller and carrys out command driven device stopping drive actions, thus makes seat body 21 remain on level.Should be understood that, the controller based on computer instruction alleged by the present invention refers to, this controller to connect thus can the control work of better complete cheek under the help of computer with being arranged at outside computer or being arranged on inner computer (such as, single-chip microcomputer) communication.Preferably, each in aforementioned two arc supports 41 comprises horizontally disposed crossbeam 42, and driving device is four hydraulic cylinders be arranged on crossbeam 42.Specifically, the front and rear of each crossbeam 42 arrange in these four hydraulic cylinders respectively.As being clearly shown that in fig. 2, hydraulic cylinder comprises cylinder barrel 402, non-telescoping first end 401 and telescopic cylinder bar 403.First end 401 comprises first joint that can be flexibly connected, and cylinder bar 403 comprises second joint that can be flexibly connected.Cylinder barrel 402 and cylinder bar 403 can relative to each other move (that is, cylinder bar can shrink and to be contained in cylinder barrel 402 also can major part stretch out this cylinder barrel 402), therefore achieve the telescopic moving of the second joint of cylinder bar 403.First joint of the non-telescoping first end 401 of hydraulic cylinder is connected to crossbeam actively and the second joint of telescopic cylinder bar 403 is connected to upper frame 3 actively, drive upper frame 3 by the telescopic moving of the second joint of cylinder bar 403, make upper frame 3 in the upper slip of arc component 41 (in other words arc support 41).Should be understood that, activity alleged by the present invention () two parts connecting and refer to each other " movable () connect " are connected to each other but still can relative to each other move or rotate, " connecting actively " includes but not limited to hinged and pivot joint; Alleged by the present invention fixing () two parts connecting and refer to each other " fixing () connect " are connected to each other and can not relative to each other move or rotate, " fixing () connect " includes but not limited to welding, riveted joint is connected with bolt.In a preferred embodiment, the every root in four bars 32 also comprises the extension 35 be arranged on bottom sliding sleeve 34, and each extension 35 is connected with driving device.Driving device drives extension 35, thus upper frame 3 and seat 2 are specifically slided along the arc component 41 of lower vehicle frame 4 along lower vehicle frame 4-.Be in the situation of hydraulic cylinder at driving device, this connection realizes by being connected actively with the second joint of the cylinder bar 403 of hydraulic cylinder by extension 35.In a preferred embodiment, upper frame 3 also comprises four root bars 31.Every root in this four roots bar 31 is all fixedly connected with by the bar that its one end is corresponding to four bars 32, and the every root in this four roots bar 31 is all fixedly connected with by the bottom of its other end with seat 2, to reinforce seat 2 (specifically seat body 21) and upper frame 3.
Next consult Fig. 2 and Fig. 3, and describe the seat Slope angle adjustment process according to wheelchair 1 of the present invention on the basis carrying out observing of being combined by Fig. 2 and Fig. 3 and Fig. 1.Fig. 2 is another side view according to the electric wheelchair adjusting device based on computer instruction of the present invention, and described wheelchair is in upward slope state in the figure.Fig. 3 is another side view according to the electric wheelchair adjusting device based on computer instruction of the present invention, and described wheelchair is in descending state in the figure.As shown in Figure 1, wheelchair 1 according to the present invention to be positioned on level ground and to be supported seat 2, the upper frame 3 and lower vehicle frame 4 etc. of this wheelchair 1 by its four wheel 5 kiss the earths.Now, inclination sensor 22 senses seat body 21 and is in level and user can be comfortably seated in seat body 21, and driving device can not make drive actions, and therefore seat body 21 remains on this level.Preferably, under level, certain hydraulic coupling can be kept in described driving device (specifically hydraulic cylinder), more firmly remain on level to make seat 2 and upper frame 3.As shown in Figure 2, wheelchair 1 according to the present invention is positioned on acclivitous ground, and is equally also to support seat 2, the upper frame 3 and lower vehicle frame 4 etc. of this wheelchair 1 by its four wheel 5 kiss the earths.In the application, wheelchair in Fig. 21 is called upward slope state in this acclivitous ground state, the front line direction being parallel to the arrow instruction wheelchair 1 on ground shown in figure.Now, inclination sensor 22 senses seat body 21 and is in the state of being inclined upwardly and user can be felt and takes very uncomfortable and move after its center of gravity, when serious, this wheelchair 1 may topple (or overturning backward) backward, and user is thrown car.Therefore, timely order-driven device is made drive actions by this Time Controller, makes seat body 21 be returned to its level.Specifically, when from the signal that inclination sensor 22 receives, controller shows that the sweptback angle of seat 2 exceedes threshold limit value-such as 20 degree, controller sends instruction to described rear side hydraulic cylinder, order described rear side Driven by Hydraulic Cylinder upper frame 3 along arc component 41 forward slip of lower vehicle frame 4, thus make upper frame 3 and seat 2 be returned to level.Now, front side hydraulic cylinder can pressure release, or only keeps faint pressure, as long as can ensure upper frame 3 and seat 2 forward slip reposefully.As shown in Figure 3, wheelchair 1 according to the present invention is positioned on downward-sloping ground, and is equally also to support seat 2, the upper frame 3 and lower vehicle frame 4 etc. of this wheelchair 1 by its four wheel 5 kiss the earths.In the application, wheelchair in Fig. 31 is called descending state in this downward-sloping ground state, the front line direction being parallel to the arrow instruction wheelchair 1 on ground shown in figure.Similarly, now inclination sensor 22 senses seat body 21 and is in downward-sloping state and user can be felt and takes the reach of very uncomfortable and its center of gravity, when serious, this wheelchair 1 may topple forward (or tumbling forward), and user is thrown car.Therefore, timely order-driven device is made drive actions by this Time Controller, makes seat body 21 be returned to its level.Specifically, when from the signal that inclination sensor 22 receives, controller shows that angle that seat 2 turns forward exceedes threshold limit value-such as 20 degree, controller sends instruction to described front side hydraulic cylinder, order described front side Driven by Hydraulic Cylinder upper frame 3 to slide backward along the arc component 41 of lower vehicle frame 4, thus make upper frame 3 and seat 2 be returned to level.Now, rear side hydraulic cylinder can pressure release, or only keeps faint pressure, as long as can ensure that upper frame 3 and seat 2 slide backward reposefully.Although the wheelchair 1 in Fig. 2 and Fig. 3 be placed on lean forward or hypsokinesis ground on, its seat body 21 through position adjustment be in level.In addition, also it is easily understood that, no matter wheelchair 1 according to the present invention is positioned on level ground or being positioned over wheelchair 1 is on the non-horizontal ground of upward slope or descending state, as long as inclination sensor 22 senses seat body 21 and is in non-standard state (namely, gradient exceedes threshold limit value) controller with regard to order-driven device to drive upper frame 3, and therefore drive seat body 21 be returned to its level.In addition, preferably, upper frame 3, lower vehicle frame 4 and rib 31 and crossbeam 42 are all made up of the aluminium alloy of Portable durable.
So far, shown by reference to the accompanying drawings preferred implementation describes technical scheme of the present invention, but those skilled in the art are it is easily understood that protection scope of the present invention is obviously not limited to these detailed description of the invention.Under the prerequisite not departing from principle of the present invention, those skilled in the art can make equivalent change or replacement to correlation technique feature.
Claims (6)
1. the electric wheelchair adjusting device based on computer instruction comprises a vehicle frame, and this wheelchair comprises the multiple wheel being fixed on bottom of frame and the seat being fixed on vehicle frame top,
It is characterized in that, described vehicle frame comprises the upper frame and lower vehicle frame that slide over each other and connect, described seat is fixed to the top of described upper frame, described multiple wheel is fixed to the bottom of described lower vehicle frame, described lower vehicle frame comprises at least one identical arc component of curvature that the fore-and-aft direction along described wheelchair extends, makes described upper frame to slide along described lower vehicle frame thus to change the gradient of described upper frame and described seat; And
Described electric wheelchair adjusting device comprises further:
Inclination sensor, it is fixed on described seat, for sensing the gradient of described seat;
Driving device, it is fixed on described lower vehicle frame, slides along described lower vehicle frame for driving described upper frame; And
Based on the controller of computer instruction, itself and described inclination sensor and described driving device signal communication and be arranged on described seat or described upper frame or described lower vehicle frame; When the signal received from described inclination sensor shows that the gradient of described seat exceedes threshold limit value, described controller sends instruction to described driving device, described driving device is ordered to drive described upper frame to slide along the arc component of described lower vehicle frame, thus make described upper frame and described seat be returned to level
Described upper frame comprises four bars being connected to each other integral, and the top of described bar is fixedly connected with the bottom of described seat, and the bottom of described bar is provided with sliding sleeve, and described sliding sleeve is slidably arranged on the arc component of described lower vehicle frame,
Described arc component is two arc supports be connected to each other, and described two arc supports extend along the fore-and-aft direction of described wheelchair, and each arc support is provided with two ends and each end is respectively arranged with one in described four wheels.
2. electric wheelchair adjusting device according to claim 1, it is characterized in that, each in described two arc supports comprises horizontally disposed crossbeam, described driving device is four hydraulic cylinders be arranged on described crossbeam, and the front and rear of each crossbeam arrange a described hydraulic cylinder respectively.
3. electric wheelchair adjusting device according to claim 2, is characterized in that, one end of described hydraulic cylinder is connected to described crossbeam actively, and the other end of described hydraulic cylinder is connected to described upper frame actively.
4. electric wheelchair adjusting device according to claim 3, it is characterized in that, every root in described four bars also comprises the extension be arranged on bottom described sliding sleeve, each extension is connected with described driving device, and described driving device drives described extension thus described upper frame and described seat are slided along described lower vehicle frame.
5. electric wheelchair adjusting device according to claim 4, it is characterized in that, described upper frame also comprises four root bars, every root in described four root bars is all permanently connected by the bar that its one end is corresponding to described four bars, and the every root in described four root bars is all fixedly connected with by the bottom of its other end with described seat, to reinforce described seat and described upper frame.
6. electric wheelchair adjusting device according to any one of claim 1 to 5, is characterized in that, described upper frame, described lower vehicle frame, described rib and described crossbeam are all made up of aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197331.3A CN104800012B (en) | 2015-04-23 | 2015-04-23 | Electrically powered wheelchair adjusting device based on computer instructions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197331.3A CN104800012B (en) | 2015-04-23 | 2015-04-23 | Electrically powered wheelchair adjusting device based on computer instructions |
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| CN104800012A true CN104800012A (en) | 2015-07-29 |
| CN104800012B CN104800012B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510197331.3A Active CN104800012B (en) | 2015-04-23 | 2015-04-23 | Electrically powered wheelchair adjusting device based on computer instructions |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105213119A (en) * | 2015-09-30 | 2016-01-06 | 河南科技大学 | A kind of stair-climbing wheel chair |
| CN106580577A (en) * | 2016-12-07 | 2017-04-26 | 卢碧娴 | Intelligent seat posture control device |
| CN107440853A (en) * | 2017-09-29 | 2017-12-08 | 遵义师范学院 | One kind wheel carries out suitching type wheelchair |
| WO2019127326A1 (en) * | 2017-12-29 | 2019-07-04 | 四川金瑞麒智能科学技术有限公司 | Smart wheelchair sensing and adjustment apparatus and method |
| CN114407994A (en) * | 2021-12-31 | 2022-04-29 | 南若科技(重庆)集团有限公司 | Concrete block transfer device |
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| CN114407994A (en) * | 2021-12-31 | 2022-04-29 | 南若科技(重庆)集团有限公司 | Concrete block transfer device |
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| CN104800012B (en) | 2017-05-10 |
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