CN1915705A - Control device in constant speed for electric wheel chair - Google Patents
Control device in constant speed for electric wheel chair Download PDFInfo
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- CN1915705A CN1915705A CNA2005100927418A CN200510092741A CN1915705A CN 1915705 A CN1915705 A CN 1915705A CN A2005100927418 A CNA2005100927418 A CN A2005100927418A CN 200510092741 A CN200510092741 A CN 200510092741A CN 1915705 A CN1915705 A CN 1915705A
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- electric wheelchair
- constant speed
- speed
- control device
- central processing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
A constant speed controller for controlling the speed of a electric wheelchair in a range is composed of a current detecting unit, a CPU, a drive unit, a panel control unit operated by user of wheelchair, and a speed switching unit.
Description
Technical field
The present invention is meant a kind of control device in constant speed that is used for electric wheelchair especially relevant for a kind of control device in constant speed.
Background technology
Electric wheelchair is for handicapped personage mostly, or the frail weak person of health (for example the elderly) uses, to increase the comfort feature of its action.The arm rest of an electric wheelchair is often controlled to control this electric wheelchair and to have the panel of a rocking bar for the occupant with one.
Because the road surface has the slope once in a while, or in some place or building, also can be provided with and be convenient to the slope that wheelchair moves, so the person that takes the wheelchair can be along such slope, and obliquely the side or tiltedly the below advance.Yet when this electric wheelchair was traveling on the ramp, its speed easily changed fast because of the influence of its gravity, for the occupant of electric wheelchair, all need to control very modestly, yet this moment wheelchair speed and be not easy control.For example when a lower slope section, electric wheelchair can move more and more sooner down, therefore the occupant then needs in good time, and Brake lives this electric wheelchair, yet this is easy to make that this electric wheelchair is stopped suddenly again under mobile status originally, the occupant is then because of the cause of inertia, its health can incline toward last because this electric wheelchair pauses suddenly, makes the occupant very easily therefore not feel well; And when going up a slope section for one, the speed of this electric wheelchair is more and more slower, if occupant's reaction has little time to control rocking bar too slowly, and this electric wheelchair even can move towards the descending direction with falling back, occupant's safety ten minutes causes anxiety.
To sum up, for safety and the traveling comfort that promotes this electric wheelchair, how to allow an electric wheelchair, especially when travelling on a lower slope section or section of going up a slope, still can advance reposefully, this is that relevant at present practitioner demands considering the place of improving urgently.
Summary of the invention
Therefore, purpose of the present invention, just be to provide the control device in constant speed of the electric wheelchair of a kind of safety that can promote electric wheelchair and traveling comfort, especially can be when this electric wheelchair travels in the uphill/downhill section with the control device in constant speed of its speed control electric wheelchair within the specific limits.
So the control device in constant speed of electric wheelchair of the present invention includes: a current detecting unit, a central processing unit, a driver element, a panel control unit, and a speed switch unit.
This current detecting unit is in order to obtain the electric current of electric wheelchair.This central processing unit (ECU) is electrically connected with this current detecting unit, in order to receive and to handle the information that is delivered to here.This driver element then is electrically connected with this central processing unit, and it drives this electric wheelchair and move it according to the processing signals that this central processing unit is exported.This panel control unit is electrically connected with this central processing unit, in order to transmit an occupant's command information.This speed switch unit is electrically connected with this central processing unit, is controlled in certain scope in order to the gait of march with electric wheelchair.
The accompanying drawing summary
Fig. 1 is the circuit box scheme drawing of the control device in constant speed of electric wheelchair of the present invention, its current detecting unit that comprises, a central processing unit, a driver element, a panel control unit, a speed switch unit are described, and the connection relationship between parameter downloads unit;
Fig. 2 is the distribution figure of the control device in constant speed of electric wheelchair of the present invention, and the distribution relation of each structure is described;
Fig. 3 be electric wheelchair of the present invention control device in constant speed control panel set scheme drawing, a constant speed function key that is provided with thereon, a rocking bar, a rise speed limit key are described, and a configuration relation of reducing between the speed limit key, this control panel is installed on the electric wheelchair and operates for the user; And
Fig. 4 is the action flow chart of the control device in constant speed of electric wheelchair of the present invention, and mode and program that it controls this electric wheelchair are described.
The specific embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of a following cooperation preferred embodiment with reference to the accompanying drawings, can clearly present.
Consult Fig. 1,2, the control device in constant speed 1 of electric wheelchair of the present invention, include a current detecting unit 2, central processing unit 3, driver element 4, panel control unit 5, a speed switch unit 6, and a parameter downloads unit 7.
The total current of the electric wheelchair that this current detecting unit 2 is installed in order to the control device in constant speed 1 that detects electric wheelchair of the present invention.This central processing unit 3 is in order to reception and handle the information that is delivered to here, and is electrically connected with this current detecting unit 2.This driver element 4 is electrically connected with this central processing unit 3, and the processing signals of being exported according to this central processing unit 3, and drives the motor of this electric wheelchair, makes this electric wheelchair to advance or retreat with specific speed.This panel control unit 5 is electrically connected with this central processing unit 3, and links to each other with control panel 8 on this electric wheelchair as shown in Figure 3.This speed switch unit 6 is electrically connected with this central processing unit 3, so that the speed of this electric wheelchair surpasses its range of control when outer, the speed of instantaneous this electric wheelchair of adjustment.This parameter downloads unit 7 is electrically connected with this central processing unit 3, in order to download parameter areas such as required constant speed maxim, constant speed compensation.
The control device in constant speed 1 of electric wheelchair of the present invention, in order to the speed control of electric wheelchair in certain scope.See also Fig. 3,, use people's operation of taking on this electric wheelchair for one, with direct of travel and the speed of controlling this electric wheelchair with these panel control unit 5 bonded assembly control panels 8 of the control device in constant speed 1 of electric wheelchair of the present invention.On this control panel 8, be provided with a constant speed function key 81, rocking bar 82, one raise speed limit key 83, a downward modulation speed limit key 84, and source switch 85.
According to aforementioned hardware configuration and function, cooperate hereinafter and consult the realization flow of mode that Fig. 4 describes the control device in constant speed of electric wheelchair of the present invention in detail.When opening this source switch 85, the control device in constant speed 1 of electric wheelchair of the present invention promptly presents an A condition, then and confirm that whether this constant speed function key 81 is in enable position.When this constant speed function key 81 not in enable position, then according to the motion action of this rocking bar 82; When this rocking bar 82 was pressed backwards, 1 of the control device in constant speed of electric wheelchair of the present invention arrived a B state, closes the constant speed function then; When this rocking bar 82 was not pressed backwards, 1 of the control device in constant speed of electric wheelchair of the present invention arrived a C state, and need confirm that whether this rocking bar 82 presses, and carries out subsequent action afterwards more forward again.
If this constant speed function key 81 is when enable position, need confirm that then whether this rocking bar 82 presses, and when this rocking bar 82 is not pressed, then carries out follow-up action according to the state of this rocking bar 82 forward forward; When this rocking bar 82 is pressed forward, 2 of this current detecting units detect total current, so this driver element 4 advances voluntarily beginning to carry out the constant speed compensation, make this electric wheelchair double ring ahead forward, the amplitude that compresses forward of this rocking bar 82 is big more simultaneously, and this electric wheelchair speed of amplification forward is also big more; When this rocking bar 82 is decontroled and is returned former midway location, this electric wheelchair will advance with this speed constant speed, and push this rise speed limit key 83 and this downward modulation speed limit key 84, can determine the speed height of this electric wheelchair, and adjust the maximum constraints of required speed with sectional type; And in the present embodiment, the segmentation of the control device in constant speed 1 of electric wheelchair of the present invention has 5 sections, and wherein the 5th section is the speed soprano.Afterwards, whether backwards to confirm this rocking bar 82 again, when this rocking bar 82 not backwards the time, 4 operations constantly of this current detecting unit 2 and driver element.
When this rocking bar 82 backwards the time, then close the constant speed function of the control device in constant speed 1 of electric wheelchair of the present invention, and make this constant speed function key 81 then be in an off position, so this electric wheelchair will present this B state in the walking, and progressively stop.
After this electric wheelchair stops, confirming promptly whether this parameter downloads unit 7 carries out the parameter downloads operation.If do not have, this electric wheelchair then directly returns this A condition, and then need confirm that whether this constant speed function key 81 is in this enable position again; If have, this electric wheelchair then obtains a suitable speed range, returns this A condition then, and confirms that more whether this constant speed function key 81 is in this enable position.
The control device in constant speed 1 of electric wheelchair of the present invention, be particularly useful for controlling the gait of march of this electric wheelchair when going up a slope section or a lower slope section for one, it is by reading the total current of an electric wheelchair, and then the gait of march of this electric wheelchair is controlled in certain scope.And this speed range then carries out down operation by this parameter downloads unit 7 to obtain; It can be before this electric wheelchair dispatches from the factory, by staff's operation to carry out down operation, also can be after the occupant buys, look its individual demand and carry out down operation voluntarily, to obtain a suitable speed range; Moreover the occupant also can operate the rise speed limit key 83 and downward modulation speed limit key 84 on this control panel 8, this speed range is done the adjustment of maximum range.
Go up a slope or during the descending highway section, then earlier this constant speed function key 81 is set in an enable position at one when this electric wheelchair will travel, with the constant speed function of the control device in constant speed 1 that starts electric wheelchair of the present invention.Because during descending, the total current value of being sent in the storage battery of this electric wheelchair is very little, and flow into the current detecting unit 2 of the control device in constant speed 1 of electric wheelchair of the present invention, therefore this current detecting unit 2 transmits an information to this central processing unit 3, this central processing unit 3 and read this rocking bar 82 maximum before pressure condition, transmit an information again to this driver element 4, make speed be able to Be Controlled within the specific limits.In addition, when the control device in constant speed 1 of electric wheelchair of the present invention is activated, but the speed of this electric wheelchair is too high or too lowly outside the scope of institute desire control the time, and then this speed switch unit 6 can be adjusted to the gait of march of this electric wheelchair in the scope of being controlled instantaneously.
As from the foregoing, the control device in constant speed 1 of electric wheelchair of the present invention has advantage as described below:
(1) improved the safety of occupant when uphill/downhill is driven this electric wheelchair:
Because the function of the control device in constant speed 1 of electric wheelchair of the present invention, be speed control with this electric wheelchair on being installed in certain limit, particularly its range of control can be adjusted in real time according to this occupant's needs again.Therefore, when the occupant when the uphill/downhill section is driven this electric wheelchair, its speed of advancing can be controlled in the suitable scope, and can not make this electric wheelchair make gait of march too fast or cause dangerous the generation excessively slowly because of the influence that is subjected to gravity.
(2) improved the traveling comfort of occupant when uphill/downhill is driven this electric wheelchair:
Hold, when this electric wheelchair is installed and is started the control device in constant speed 1 of electric wheelchair of the present invention, the speed of its uphill/downhill is complete to be controlled electronicly, therefore the occupant does not need because need control the speed of this electric wheelchair voluntarily, the traveling comfort of occupant when uphill/downhill is driven this electric wheelchair cause this electric wheelchair to stop suddenly and make health toward last, so can be increased natch.
(3) improve the industrial competitiveness of the electric wheelchair installed:
Because it is handicapped that the occupant of this electric wheelchair belongs to mostly, the perhaps comparatively frail weak person of health (for example the elderly), they for the ability of this electric wheelchair speed of control may be a little less than, therefore the installing of the control device in constant speed 1 by electric wheelchair of the present invention, get final product electronization ground execution speed master mode, the also visual situation of occupant simultaneously, decide in its sole discretion electric wheelchair of the present invention control device in constant speed 1 startup whether; When the control device in constant speed 1 of electric wheelchair of the present invention is finished by installing, only to press on the control panel 8 of this electric wheelchair constant speed function key 81 or again by once, can start this cruise control 1, in the time will removing its constant speed function, then only this rocking bar 82 will be pulled backwards and got final product.So the control device in constant speed 1 of electric wheelchair of the present invention is a not only practical but also intimate device, except above-described two advantages, more can increase the industrial competitiveness of the electric wheelchair of being installed certainly.
The above only is preferred embodiment of the present invention, can not limit scope of the invention process with this, and promptly every simple equivalent of being done according to claim of the present invention and invention description content changes and modifies, and all still belongs in the scope that patent of the present invention contains.
Claims (2)
1. electric wheelchair control device in constant speed includes:
A current detecting unit is in order to obtain the electric current of electric wheelchair;
A central processing unit is electrically connected with this current detecting unit, in order to receive and to handle the information that is delivered to here;
A driver element is electrically connected with this central processing unit, and it drives this electric wheelchair and move it according to the processing signals that this central processing unit is exported;
A panel control unit is electrically connected with this central processing unit, in order to transmit an occupant's command information; And
A speed switch unit is electrically connected with this central processing unit, in order to the speed control of electric wheelchair in certain scope.
2. according to the described electric wheelchair control device in constant speed of claim 1, more comprise a parameter downloads unit, it is electrically connected with this central processing unit, in order to download required speed parameter scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100927418A CN1915705A (en) | 2005-08-19 | 2005-08-19 | Control device in constant speed for electric wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100927418A CN1915705A (en) | 2005-08-19 | 2005-08-19 | Control device in constant speed for electric wheel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1915705A true CN1915705A (en) | 2007-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100927418A Pending CN1915705A (en) | 2005-08-19 | 2005-08-19 | Control device in constant speed for electric wheel chair |
Country Status (1)
| Country | Link |
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| CN (1) | CN1915705A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447431A (en) * | 2010-10-12 | 2012-05-09 | 光阳工业股份有限公司 | Downhill automatic deceleration control device and method for electric scooter |
| CN102566612A (en) * | 2010-12-22 | 2012-07-11 | 光阳工业股份有限公司 | Speed-limiting switching device of electric motorcycle |
| US11123244B2 (en) | 2018-10-17 | 2021-09-21 | Industrial Technology Research Institute | Electric wheelchair control system and electric wheelchair control method |
-
2005
- 2005-08-19 CN CNA2005100927418A patent/CN1915705A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447431A (en) * | 2010-10-12 | 2012-05-09 | 光阳工业股份有限公司 | Downhill automatic deceleration control device and method for electric scooter |
| CN102447431B (en) * | 2010-10-12 | 2015-06-03 | 光阳工业股份有限公司 | Downhill automatic deceleration control device and method for electric scooter |
| CN102566612A (en) * | 2010-12-22 | 2012-07-11 | 光阳工业股份有限公司 | Speed-limiting switching device of electric motorcycle |
| CN102566612B (en) * | 2010-12-22 | 2016-06-22 | 光阳工业股份有限公司 | Speed-limiting switching device of electric motorcycle |
| US11123244B2 (en) | 2018-10-17 | 2021-09-21 | Industrial Technology Research Institute | Electric wheelchair control system and electric wheelchair control method |
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Open date: 20070221 |