CN107647984A - A kind of intelligent wheelchair that can highly adjust - Google Patents
A kind of intelligent wheelchair that can highly adjust Download PDFInfo
- Publication number
- CN107647984A CN107647984A CN201710946988.4A CN201710946988A CN107647984A CN 107647984 A CN107647984 A CN 107647984A CN 201710946988 A CN201710946988 A CN 201710946988A CN 107647984 A CN107647984 A CN 107647984A
- Authority
- CN
- China
- Prior art keywords
- integrated circuit
- seat
- phase inverter
- movable pulley
- handrail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000005611 electricity Effects 0.000 claims description 10
- 230000008030 elimination Effects 0.000 claims description 5
- 238000003379 elimination reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1059—Arrangements for adjusting the seat adjusting the height of the seat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of intelligent wheelchair that can highly adjust, including seat, the top of seat is provided with handrail and backrest, is additionally provided with rain shade above seat, handrail and backrest are respectively positioned on the inside of rain shade；The lower section of seat is provided with motor, and motor is connected with movable pulley, and movable pulley is located at the lower section of seat；Handrail is provided with central control panel, the inside of central control panel is provided with rotation speed measuring module, rotation speed measuring module electrically connects with movable pulley, the height of seat can be adjusted by motor, for meeting the user of different heights simultaneously, the model 74123 of first integrated circuit and the second integrated circuit, it has the characteristics of high anti-jamming capacity and high voltage stability, the antijamming capability and stability of detection circuit can be ensured, so as to improve the reliability of movable pulley movement, the present invention is reasonable in design, is adapted to promote the use of.
Description
Technical field
The present invention relates to medical wheelchair field, and in particular to a kind of intelligent wheelchair that can highly adjust.
Background technology
In present medical wheelchair, the height of wheelchair is all changeless, is used in the user to different heights
When, it will can not meet multiple users due to height regulation can not be carried out while use, so be greatly lowered wheelchair
Practicality；Moreover, it is necessary to be monitored to rotating speed during wheelchair moves, and measured now in rotating speed
When, all it is to need to measure by innernal CPU, but electromagnetic interference can be often subject to, so as to have impact on CPU rotating speed
Measurement result, reduce the practicality of wheelchair work.
The content of the invention
The present invention is above-mentioned in order to overcome the shortcomings of, there is provided a kind of intelligent wheelchair that can highly adjust, including seat, seat
Top be provided with handrail and backrest, be additionally provided with rain shade above seat, handrail and backrest are respectively positioned on the inside of rain shade；
The lower section of seat is provided with motor, and motor is connected with movable pulley, and movable pulley is located at the lower section of seat；
Handrail is provided with central control panel, and the inside of central control panel is provided with rotation speed measuring module, rotation speed measuring module and movable pulley electricity
Connection.
Preferably, rotation speed measuring module includes tachometric survey circuit, the tachometric survey circuit includes the first integrated electricity
Road, the second integrated circuit, the first phase inverter, the second phase inverter, the 3rd phase inverter, first resistor, second resistance, the first electric capacity and
Second electric capacity, the model of first integrated circuit and the second integrated circuit is 74123, two of first integrated circuit
Directly eliminate end to interconnect by the first electric capacity, two of first integrated circuit directly eliminate end, and one of them is direct
End is eliminated by the external 5V DC voltage power supplies of first resistor, the negative triggering input of first integrated circuit and first anti-phase
The output end of device connects, the positive triggering input end grounding of first integrated circuit, outside the power end of first integrated circuit
5V DC voltage power supplies are connect, the output end of first integrated circuit is connected with the input of the 3rd phase inverter, second collection
Being interconnected into two directly elimination ends of circuit by the first electric capacity, two of second integrated circuit directly eliminate end,
One of them directly eliminates end and inputted by the external 5V DC voltage power supplies of second resistance, the negative triggering of second integrated circuit
External 5V DC voltage power supplies are held, the positive triggering input of second integrated circuit is connected with the output end of the second phase inverter,
The external 5V DC voltage power supplies of power end of second integrated circuit, the output end of second integrated circuit and the 3rd anti-phase
The input connection of device.
Preferably, the model of first phase inverter, the second phase inverter and the 3rd phase inverter is CD4069.
The beneficial effects of the invention are as follows：The height of seat can be adjusted by motor, for meeting simultaneously
The model 74123 of the user of different heights, the first integrated circuit and the second integrated circuit, it has high anti-jamming capacity and electricity
The characteristics of pressing stability high, it can ensure to detect the antijamming capability and stability of circuit, so as to improve movable pulley movement
Reliability.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the circuit theory diagrams of the tachometric survey circuit of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As depicted in figs. 1 and 2, a kind of intelligent wheelchair that can highly adjust, including seat 1, the top of seat 1, which is provided with, to be helped
Hand 4 and backrest 2, the top of seat 1 are additionally provided with rain shade 3, and handrail 4 and backrest 2 are respectively positioned on the inside of rain shade 3；
The lower section of seat 1 is provided with motor 7, and motor 7 is connected with movable pulley 6, and movable pulley 6 is located under seat 1
Side；
Handrail 4 is provided with central control panel 5, and the inside of central control panel 5 is provided with rotation speed measuring module, rotation speed measuring module and movable pulley
6 electrical connections.
Preferably, rotation speed measuring module includes tachometric survey circuit, the tachometric survey circuit includes the first integrated electricity
Road U1, the second integrated circuit U2, the first phase inverter U3, the second phase inverter U4, the 3rd phase inverter U5, first resistor R1, the second electricity
Resistance R2, the first electric capacity C1 and the second electric capacity C2, the first integrated circuit U1 and the second integrated circuit U2 model are
Two of 74123, the first integrated circuit U1 directly eliminate end and interconnected by the first electric capacity C1, the described first integrated electricity
Two of road U1 directly eliminate end, and one of them directly eliminates end by the external 5V DC voltage power supplies of first resistor R1, described
First integrated circuit U1 negative triggering input is connected with the first phase inverter U3 output end, and the first integrated circuit U1 is just
Trigger input end grounding, the external 5V DC voltage power supplies of power end of the first integrated circuit U1, first integrated circuit
U1 output end is connected with the 3rd phase inverter U5 input, and two of the second integrated circuit U2 directly eliminate end by the
One electric capacity C2 is interconnected, two of the second integrated circuit U2 direct elimination ends, and one of them directly eliminates end by the
The external 5V DC voltage power supplies of two resistance R2, the external 5V direct currents piezoelectricity of negative triggering input of the second integrated circuit U2
Source, the positive triggering input of the second integrated circuit U2 are connected with the second phase inverter U4 output end, the described second integrated electricity
The road U2 external 5V DC voltage power supplies of power end, the output end of the second integrated circuit U2 and the 3rd phase inverter U5 input
End connection.
Preferably, the first phase inverter U3, the second phase inverter U4 and the 3rd phase inverter U5 model are CD4069.
When needing the height to wheelchair to be adjusted, now, motor will control movable pulley to be lifted,
To realize the height regulation to seat, so as to meet that the user of different height is used, the practicality of wheelchair is improved.
In tachometric survey circuit, positive pulse ripple detection circuit is formed by the first integrated circuit U1, works as infrared receiver
14 when receiving infrared ray, and the first integrated circuit U1 just exports high level；The detection of negative pulse ripple is formed by the second integrated circuit U2
Circuit, when infrared receiver 14 does not receive infrared ray, the second integrated circuit U2 just exports low level, then the circuit will
Output exports the waveform of distinct pulse widths according to mobile wheel speed, directly the waveform is detected by central control unit, no
It only can accurately measure the rotating speed of movable pulley, moreover it is possible to improve the response speed monitored in real time.Wherein, the first integrated circuit U1 and
Second integrated circuit U2 model 74123, it has the characteristics of high anti-jamming capacity and high voltage stability, can ensure to examine
The antijamming capability and stability of slowdown monitoring circuit, so as to improve the reliability of movable pulley movement.
Above-mentioned according to the present invention is enlightenment, by above-mentioned description, relevant staff completely can without departing from
In the range of this invention technological thought, various changes and amendments are carried out.The technical scope of this invention is not limited to
In the content on specification, it is necessary to determine its technical scope according to right.
Claims (3)
- A kind of 1. intelligent wheelchair that can highly adjust, it is characterised in that：Including seat, the top of seat is provided with handrail and leaned on Carry on the back, be additionally provided with rain shade above seat, handrail and backrest are respectively positioned on the inside of rain shade；The lower section of seat is provided with motor, and motor is connected with movable pulley, and movable pulley is located at the lower section of seat；Handrail is provided with central control panel, and the inside of central control panel is provided with rotation speed measuring module, rotation speed measuring module and movable pulley electricity Connection.
- A kind of 2. intelligent wheelchair that can highly adjust according to claim 1, it is characterised in that：Rotation speed measuring module bag Tachometric survey circuit is included, the tachometric survey circuit includes the first integrated circuit, the second integrated circuit, the first phase inverter, second Phase inverter, the 3rd phase inverter, first resistor, second resistance, the first electric capacity and the second electric capacity, first integrated circuit and second The model of integrated circuit is 74123, and two directly elimination ends of first integrated circuit are interconnected by the first electric capacity, Two of first integrated circuit directly eliminate end, and one of them directly eliminates end and passes through the external 5V DC voltages of first resistor Power supply, the negative triggering input of first integrated circuit are connected with the output end of the first phase inverter, first integrated circuit Positive triggering input end grounding, the external 5V DC voltage power supplies of power end of first integrated circuit, the described first integrated electricity The output end on road is connected with the input of the 3rd phase inverter, and two directly elimination ends of second integrated circuit pass through the first electricity Hold and interconnect, two of second integrated circuit direct elimination ends, one of them directly eliminate end by second resistance outside Connect 5V DC voltage power supplies, the external 5V DC voltage power supplies of negative triggering input of second integrated circuit, second collection Positive triggering input into circuit is connected with the output end of the second phase inverter, and the external 5V of power end of second integrated circuit is straight Voltage source is flowed, the output end of second integrated circuit is connected with the input of the 3rd phase inverter.
- A kind of 3. intelligent wheelchair that can highly adjust according to claim 2, it is characterised in that：Described first is anti-phase The model of device, the second phase inverter and the 3rd phase inverter is CD4069.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710946988.4A CN107647984A (en) | 2017-10-12 | 2017-10-12 | A kind of intelligent wheelchair that can highly adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710946988.4A CN107647984A (en) | 2017-10-12 | 2017-10-12 | A kind of intelligent wheelchair that can highly adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107647984A true CN107647984A (en) | 2018-02-02 |
Family
ID=61117932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710946988.4A Withdrawn CN107647984A (en) | 2017-10-12 | 2017-10-12 | A kind of intelligent wheelchair that can highly adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107647984A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201930157U (en) * | 2010-12-17 | 2011-08-17 | 天津市鑫成新科贸有限公司 | Four-wheel electrically-drivable wheelchair |
| CN105673328A (en) * | 2016-02-18 | 2016-06-15 | 刘湘静 | Novel power generation system adopting pulse width detection technology for wind power generation |
| CN105708634A (en) * | 2016-01-29 | 2016-06-29 | 北京动力京工科技有限公司 | Single-person housebound intelligent wheelchair |
| CN206534797U (en) * | 2016-09-21 | 2017-10-03 | 蔡木章 | A kind of multi-functional regulation wheelchair |
-
2017
- 2017-10-12 CN CN201710946988.4A patent/CN107647984A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201930157U (en) * | 2010-12-17 | 2011-08-17 | 天津市鑫成新科贸有限公司 | Four-wheel electrically-drivable wheelchair |
| CN105708634A (en) * | 2016-01-29 | 2016-06-29 | 北京动力京工科技有限公司 | Single-person housebound intelligent wheelchair |
| CN105673328A (en) * | 2016-02-18 | 2016-06-15 | 刘湘静 | Novel power generation system adopting pulse width detection technology for wind power generation |
| CN206534797U (en) * | 2016-09-21 | 2017-10-03 | 蔡木章 | A kind of multi-functional regulation wheelchair |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180202 |
|
| WW01 | Invention patent application withdrawn after publication |