CN107468439A - A kind of electric wheelchair of circuit braking - Google Patents
A kind of electric wheelchair of circuit braking Download PDFInfo
- Publication number
- CN107468439A CN107468439A CN201710790066.9A CN201710790066A CN107468439A CN 107468439 A CN107468439 A CN 107468439A CN 201710790066 A CN201710790066 A CN 201710790066A CN 107468439 A CN107468439 A CN 107468439A
- Authority
- CN
- China
- Prior art keywords
- wheelchair
- motor
- main body
- wheelchair main
- power supply
- 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- Withdrawn
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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
- A61G5/1005—Wheelchairs having brakes
- A61G5/101—Wheelchairs having brakes of the parking brake type, e.g. holding the wheelchair
-
- 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
- A61G5/1051—Arrangements for steering
-
- 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
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
-
- 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
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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)
- Handcart (AREA)
Abstract
A kind of electric wheelchair of circuit braking, including wheelchair main body, power supply is provided with the wheelchair main body, the controller of controling wheelchair traveling is provided with the handrail of the wheelchair main body, the motor for driving wheelchair main body wheel to rotate is provided with the wheelchair main body, the motor and power electric connection, the motor are electrically connected with the controller, and the circuit brake for making motor produce braking in power outage is provided with the wheelchair main body.The present invention is advantageous in that：The device structure is simple, easy to use, and brake hard can be effectively carried out when electric wheelchair has a power failure suddenly, and usually power consumption is low, service life length, while can realize left and right wheels synchronous braking, avoids causing secondary injury to user.
Description
First, technical field
The present invention relates to a kind of wheelchair, more particularly to a kind of electric wheelchair of circuit braking.
2nd, background technology
Wheelchair is the important tool of rehabilitation, and it is not only the walking-replacing tool of limbs the disabled and handicapped personage with wheelchair,
Them are more importantly made to carry out physical exercise by means of wheelchair and participate in social activities.
Common wheelchair typically by wheelchair frame, wheel, brake gear and seats against four parts and formed.Hand wheelchair is in common wheelchair
On the basis of, increase manual setter.Electric wheelchair increases electronics force aid system, alleviates user's on the basis of common wheelchair
Physical demands.Intelligent wheel chair adds mobile positioning, standing movement, remote-controlled movement and correlation on the basis of electric wheelchair
Internet+assisted living.
Electric wheelchair be on the basis of traditional manual wheelchair, superposition high-performance power drive unit, smart steering device,
The parts such as battery, what transformation and upgrade formed.
Possess it is artificial manipulate intelligent controller, advance with regard to wheelchair can be driven to complete, retreat, turning to, standing, lying low, etc. it is more
The New Generation of Intelligent wheelchair of kind function, is the high-new section that the fields such as modern precision machinery, intelligent numerical control, engineering mechanics are combined
Skill product.
But the electric wheelchair used on the market now, it must install emergency braking apparatus during power-off, but now
The emergency braking apparatus used is all mechanical brake system mostly, or using electric brake, electric brake power consumption is very
Greatly, and there is the problems such as left and right wheel brake is asynchronous to exist, secondary injury easily is caused to user.
Brake hard can be effectively carried out when electric wheelchair has a power failure suddenly on the market now, usually power consumption it is low,
Service life is grown, while can realize left and right wheels synchronous braking, avoids causing user the electric wheelchair of secondary injury from not having also
It is found, has to be developed.
3rd, the content of the invention
In order to overcome the weak point of existing wheelchair, the invention provides a kind of electric wheelchair of circuit braking.
The technical proposal of the invention is realized in this way.
A kind of electric wheelchair of circuit braking of this programme, including wheelchair main body, power supply is provided with the wheelchair main body,
The controller of controling wheelchair traveling is provided with the handrail of the wheelchair main body, is provided with the wheelchair main body for driven wheel
The motor that chair main body wheel rotates, the motor and power electric connection, the motor are electrically connected with the controller, the wheel
The circuit brake for making motor produce braking in power outage is provided with chair main body；
The circuit brake includes shell and electromagnetic relay, and the electromagnetic relay is fixed with shell inner bottom part to be connected
Connect；
The electromagnetic relay includes magnet coil, movable contact and stationary contact, and the movable contact is located at the top of magnet coil
Between stationary contact bottom, the magnet coil and power electric connection, the three-dimensional input line of the stationary contact and the motor
Electrical connection.
The cover top portion is provided with through hole, and connecting rod is provided with the through hole, is provided with knob at the top of the connecting rod, institute
State connecting rod bottom and be provided with tabletting, the tabletting makes movable contact be separated with stationary contact for depressing the movable contact；The knob
Bottom is provided with locating rod on the position of connecting rod, and the outer casing top surface is provided with the positioning being used cooperatively with locating rod
Hole, spring is provided with the connecting rod between the knob bottom and cover top portion, the spring is in extended state all the time, described
Spring top is fixedly connected with knob bottom, and the spring bottom end is fixedly connected with outer casing top surface.
The motor is the permanent-magnet brushless DC electric machine that power is 250W.
The present invention is advantageous in that：The device structure is simple, easy to use, effectively can stop suddenly in electric wheelchair
Brake hard is carried out when electric, usually power consumption is low, service life length, while can realize left and right wheels synchronous braking, avoids
Secondary injury is caused to user.
4th, illustrate
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the circuit brake 5 of the present invention.
Fig. 3 is the top view of the circuit brake 5 of the present invention.
Fig. 4 is the circuit diagram of the present invention.
5th, embodiment
Brief description is made to the embodiment of the present invention below in conjunction with the accompanying drawings.
A kind of electric wheelchair of circuit braking as depicted, including wheelchair main body 1, it is provided with the wheelchair main body 1
Power supply 2, the controller 3 of controling wheelchair traveling is provided with the handrail of the wheelchair main body 1, is provided with the wheelchair main body 1
For the motor 4 for driving the wheel of wheelchair main body 1 to rotate, the motor 4 electrically connects with power supply 2, the motor 4 and control
Device 3 is electrically connected, and the circuit brake for making motor 4 produce braking when power supply 2 is stopped power supply is provided with the wheelchair main body 1
5；
The circuit brake 5 includes shell 17 and electromagnetic relay 6, the electromagnetic relay 6 and the inner bottom part of shell 17
It is fixedly connected；
The electromagnetic relay 6 includes magnet coil 7, movable contact 8 and stationary contact 9, and the movable contact 8 is located at magnet coil
Between 7 tops and the bottom of stationary contact 9, the magnet coil 7 electrically connects with power supply 2, the stationary contact 9 and the motor 4
Three-dimensional input line electrically connects.
The top of shell 17 is provided with through hole 10, and connecting rod 11 is provided with the through hole 10, and the top of connecting rod 11 is set
Knob 13 is equipped with, the bottom of connecting rod 11 is provided with tabletting 12, and the tabletting 12 makes movable contact 8 for depressing the movable contact 8
Separated with stationary contact 9；The bottom of knob 13 is provided with locating rod 15, the top surface of shell 17 on the position of connecting rod 11
The positioning hole 16 being used cooperatively with locating rod 15 is provided with, in the connecting rod 11 between the bottom of knob 13 and the top of shell 17
Spring 14 is provided with, the spring 14 is in extended state all the time, and the top of spring 14 is fixedly connected with the bottom of knob 13, described
The bottom of spring 14 is fixedly connected with the top surface of shell 17.
The motor 4 is the permanent-magnet brushless DC electric machine that power is 250W.
The course of work of this example：When using the invention, when 2 normal power supply of power supply, controller 3, motor 4 are just
Normal open electricity, the operation of motor 4 is controlled by controller 3, and so as to which controling wheelchair main body 1 is movable, while magnet coil 7 is logical
Electricity, magnet coil 7 are an electromagnet, draw down movable contact 8 after energization, movable contact 8 is separated with stationary contact 9, now electric
The normal operation of motivation 4, after power supply 2 is stopped power supply suddenly, magnet coil 7 stops energization and lost magnetism, and now movable contact 8 is de-
From the attraction at the top of magnet coil 7, movable contact 8 is moved up and contacted with stationary contact 9, makes the circuit communication of stationary contact 9, stationary contact 9 with
The three-dimensional input line of motor 4 electrically connects, i.e., movable contact 8, stationary contact 9 and electric wire form the short circuit current of motor 4, now if
The wheel of wheelchair main body 1, which rotates, can make to produce electric current in motor 4, and movable contact 8, stationary contact 9 form motor 4 with electric wire
Short circuit current, while motor 4 selects DC brushless motor, now used short circuit current realizes the short circuit braking of motor 4,
Electromagnetic relay 6 realizes the braking of motor 4 by way of short circuit motor 4；
If setting two motor 4 on 1 two wheel shafts of wheelchair main body respectively, the inside of circuit brake 5 sets two electricity
Magnetic relay 6, the three-dimensional input line of the stationary contacts 9 of two electromagnetic relays 6 respectively with a motor 4 connect, therefore disconnected
When electric, the short-circuit braking of motor 4 that two electromagnetic relays 6 are respectively connected it, realize it is synchronous brakes simultaneously, the braking side
Formula cost is low, energy consumption is small, and usually equivalent to one small resistor of circuit is accessed, the left and right wheels of wheelchair main body 1 can be realized when coming into force
Brake simultaneously, it is static to move a wheel for a wheel when avoiding the wheelchair main body 1 from stopping power supply suddenly, causes user to be thrown out of
The situation for producing secondary injury occurs.
And the danger of the short-circuit braking of motor 4 maximum is that transient current caused by motor 4 crosses the mistake of ambassador's motor 4
Load is burnt, and for the motor 4 in the present invention from power 250W non-brush permanent-magnet DC motor, power consumption is low, during sustainable use
Between longer, the motor speed 2800 of the power model, voltage 24V, electric current 10A, when the power supply 2 of motor 4 powers off, during brake
Between about within the 1-2 seconds, from the motor 4 of the power, power 50W after brake, from the motor 4 of the power, level land is most
High loading capacity 50-90kg, the transient current that the loading capacity motor is carried during braking is 2-3A, and the motor of the power most serious offense
Load electric current is 20A, as long as while the power the three-phase of motor 4 merge short circuit working condition no more than 15A24V to motor
4 will not cause to damage；Inertia caused by this method gradient is bigger is bigger, speed is faster, and the bigger brake of transient current is more effective, stops
The car time is shorter, smaller to motor damage, therefore, from the motor 4 of the power, will not make motor 4 when braking
Overload, so as to which the phenomenon that motor 4 burns will not occur.
After power supply 2 is stopped power supply, circuit brake 5 makes the braking of the short circuit of motor 4 so that wheelchair main body 1 can not move it
Afterwards, wheelchair user is helped to move or when wheelchair user needs automatic moving as someone, turning knob 13,
Connecting rod 11 is rotated in through hole 10, locating rod 15 is turned on positioning hole 16, and then locating rod 15 is inserted in positioning hole 16,
Move down connecting rod 11, movable contact 8 is depressed in the tabletting 12 of the bottom of connecting rod 11, make the electromagnetism that movable contact 8 is in contact with it after
Stationary contact 9 in electrical equipment 6 separates, if setting two motor 4 on 1 two wheel shafts of wheelchair main body respectively, in circuit brake 5
Portion set two electromagnetic relays 6, tabletting 12 depress when, make the same electromagnetism that two movable contacts 8 are in contact with it respectively after
Stationary contact 9 in electrical equipment 6 separates, and realizes and attracts movable contact 8 to separate equivalent effect with stationary contact 9 after being powered with magnet coil 7,
After movable contact 8 separates with stationary contact 9, motor 4 is no longer shorted, you can is moved, now the energy of spring 14 of extended state
Enough avoid connecting rod 11 up and down, realize the purpose of the longitudinal register of connecting rod 11, when needing to realize circuit brake 5 again
During braking function, upper pull-turn button 13, connecting rod 11 is moved up, while locating rod 15 is deviate from positioning hole 16, and turning knob
13, then unclamp, the spring 14 of extended state effectively avoids connecting rod 11 from voluntarily rotating, and locating rod 15 is not rotated, more
Stable, now pressure of two movable contacts 8 due to losing tabletting 12, voluntarily resilience, movable contact 8 contact again with stationary contact 9, real
The short circuit braking of existing motor 4, can realize wheelchair main body 1 braking and it is not braking between independently switch, use is simpler
It is convenient.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (3)
1. a kind of electric wheelchair of circuit braking, including wheelchair main body (1), power supply (2) is provided with the wheelchair main body (1),
The controller (3) of controling wheelchair traveling is provided with the handrail of the wheelchair main body (1), is provided with the wheelchair main body (1)
For the motor (4) for driving wheelchair main body (1) wheel to rotate, the motor (4) electrically connects with power supply (2), described electronic
Machine (4) electrically connects with controller (3), it is characterised in that：It is provided with the wheelchair main body (1) when power supply (2) is stopped power supply
Motor (4) is set to produce the circuit brake (5) of braking；
The circuit brake (5) includes shell (17) and electromagnetic relay (6), the electromagnetic relay (6) and shell (17)
Inner bottom part is fixedly connected；
The electromagnetic relay (6) includes magnet coil (7), movable contact (8) and stationary contact (9), and the movable contact (8) is positioned at electricity
At the top of magnetic coil (7) between stationary contact (9) bottom, the magnet coil (7) electrically connects with power supply (2), the stationary contact (9)
Electrically connected with the three-dimensional input line of the motor (4).
A kind of 2. electric wheelchair of circuit braking according to claim 1, it is characterised in that：Set at the top of the shell (17)
Through hole (10) is equipped with, connecting rod (11) is provided with the through hole (10), knob (13) is provided with the top of the connecting rod (11), it is described
Connecting rod (11) bottom is provided with tabletting (12), and the tabletting (12) makes movable contact (8) and stationary contact for depressing the movable contact (8)
Point (9) separates；Knob (13) bottom is provided with locating rod (15), the shell (17) on the position of connecting rod (11)
Top surface is provided with the positioning hole (16) being used cooperatively with locating rod (15), between knob (13) bottom and shell (17) top
Connecting rod (11) on be provided with spring (14), the spring (14) is in extended state all the time, spring (14) top and rotation
Button (13) bottom is fixedly connected, and spring (14) bottom is fixedly connected with shell (17) top surface.
A kind of 3. electric wheelchair of circuit braking according to claim 1, it is characterised in that：The motor (4) is work(
Rate is 250W permanent-magnet brushless DC electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790066.9A CN107468439A (en) | 2017-09-05 | 2017-09-05 | A kind of electric wheelchair of circuit braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790066.9A CN107468439A (en) | 2017-09-05 | 2017-09-05 | A kind of electric wheelchair of circuit braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107468439A true CN107468439A (en) | 2017-12-15 |
Family
ID=60603801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790066.9A Withdrawn CN107468439A (en) | 2017-09-05 | 2017-09-05 | A kind of electric wheelchair of circuit braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107468439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806077A (en) * | 2019-01-30 | 2019-05-28 | 常州摩本智能科技有限公司 | Holding brake device and its wheelchair for using the holding brake device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1344536A (en) * | 2001-10-26 | 2002-04-17 | 胡苏甦 | Safe wheelchair |
| CN2544463Y (en) * | 2002-04-08 | 2003-04-09 | 姚湘江 | Quick braking dc motor and electric driven vehicle brake system thereof |
| CN1433137A (en) * | 2002-04-08 | 2003-07-30 | 姚湘江 | Fast DC motor braking method, fast braking motor and brake system |
| CN2682793Y (en) * | 2003-11-13 | 2005-03-09 | 吕浩中 | Electric mower |
| CN2881943Y (en) * | 2006-02-07 | 2007-03-21 | 乐清市东科电气有限公司 | Electromagnetic switch |
| CN105471167A (en) * | 2015-12-01 | 2016-04-06 | 宁波市镇海元益机电制造有限公司 | Permanent-magnet deceleration motor for electrically propelled wheelchair |
| CN107095748A (en) * | 2017-05-03 | 2017-08-29 | 北京泰格华诚科技有限公司 | A kind of brshless DC motor electric wheelchair brake gear |
| CN208405135U (en) * | 2017-09-05 | 2019-01-22 | 天津市斗星机械设备有限公司 | A kind of electric wheelchair of circuit braking |
-
2017
- 2017-09-05 CN CN201710790066.9A patent/CN107468439A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1344536A (en) * | 2001-10-26 | 2002-04-17 | 胡苏甦 | Safe wheelchair |
| CN2544463Y (en) * | 2002-04-08 | 2003-04-09 | 姚湘江 | Quick braking dc motor and electric driven vehicle brake system thereof |
| CN1433137A (en) * | 2002-04-08 | 2003-07-30 | 姚湘江 | Fast DC motor braking method, fast braking motor and brake system |
| CN2682793Y (en) * | 2003-11-13 | 2005-03-09 | 吕浩中 | Electric mower |
| CN2881943Y (en) * | 2006-02-07 | 2007-03-21 | 乐清市东科电气有限公司 | Electromagnetic switch |
| CN105471167A (en) * | 2015-12-01 | 2016-04-06 | 宁波市镇海元益机电制造有限公司 | Permanent-magnet deceleration motor for electrically propelled wheelchair |
| CN107095748A (en) * | 2017-05-03 | 2017-08-29 | 北京泰格华诚科技有限公司 | A kind of brshless DC motor electric wheelchair brake gear |
| CN208405135U (en) * | 2017-09-05 | 2019-01-22 | 天津市斗星机械设备有限公司 | A kind of electric wheelchair of circuit braking |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806077A (en) * | 2019-01-30 | 2019-05-28 | 常州摩本智能科技有限公司 | Holding brake device and its wheelchair for using the holding brake device |
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Legal Events
| 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: 20171215 |
|
| WW01 | Invention patent application withdrawn after publication |