CN200948206Y - An anticollision system of electric wheelchair - Google Patents
An anticollision system of electric wheelchair Download PDFInfo
- Publication number
- CN200948206Y CN200948206Y CN 200620065331 CN200620065331U CN200948206Y CN 200948206 Y CN200948206 Y CN 200948206Y CN 200620065331 CN200620065331 CN 200620065331 CN 200620065331 U CN200620065331 U CN 200620065331U CN 200948206 Y CN200948206 Y CN 200948206Y
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- circuit
- host scm
- induction installation
- treatment device
- distance
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Abstract
The utility model discloses an anticollision system of electrically powered wheelchair, which comprises response device, intellectual processing device and executing device that are electric-connected in order, the response device is a distance monitoring unit, which detects the distance of the wheelchairs from surrounding strangers or stumbling blocks; the main single chip machine of the intellectual processing device intellectually calculates and analysis the distance detected by the response device then control the executing device to execute corresponding safety warning or other operation. In using, the response device detects the distance of the wheelchairs from surrounding strangers or stumbling blocks, then the main single chip machine of the intellectual processing device intellectually calculates and analysis the distance detected by the response device then control the executing device to execute corresponding safety warning or other operation, so that the utility model is reasonable in structure and makes the electrically powered wheelchair safer and more reliable.
Description
[technical field]
This utility model relates to a kind of electric wheel-chair vehicle, refers in particular to the CAS on the electric wheel-chair vehicle.
[background technology]
Present stage, electric wheel-chair vehicle is of a great variety, basically all be to use, because old people or people with disability's trick are not too flexible or reaction is so not sensitive, in the process of using the common electric wheelchair for old people or people with disability, have little time sometimes to dodge, or wrong operation, at this moment be easy to bump against passerby or building etc., be damaged and cause taking turns Wheel-chair, or rider or passerby are damaged, thereby cause unnecessary dispute and loss to family.So be necessary current electric wheel-chair vehicle is improved.
[summary of the invention]
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, can make the more safe and reliable CAS of use of electric wheel-chair vehicle.
In order to solve the technical problem of above-mentioned existence, this utility model adopts following technical proposals:
A kind of CAS of electric wheel-chair vehicle, it is characterized in that: include the induction installation, Intelligent treatment device and the actuating unit that are electrically connected successively, wherein induction installation is a kind of distance detection device, mainly is to detect wheel Wheel-chair and passerby on every side or the distance between the barrier; The control actuating unit carried out corresponding safe reminding alarm or operation after the host scm of Intelligent treatment device carried out intelligence computation, analysis to the detected distance of induction installation.
The CAS of aforesaid electric wheel-chair vehicle, it is characterized in that: described induction installation includes radiating circuit, ultrasonic sensor, receiving circuit, amplifying circuit and detecting circuit, described radiating circuit and detecting circuit are connected with an output, the input pin of the host scm of Intelligent treatment device respectively, this radiating circuit is connected with the emitter of ultrasonic sensor, and this detecting circuit is connected with the receptor of ultrasonic sensor with receiving circuit by amplifying circuit successively; This radiating circuit is launched the signal amplification back of host scm output by the emitter of ultrasonic sensor; The ultrasonic signal that human body or barrier reflect converts the signal of telecommunication to by the receptor reception of ultrasonic sensor and through receiving circuit, be input in the host scm after after amplifying circuit amplifies the signal of telecommunication, carrying out detection again by detecting circuit, this host scm monitoring is received the blanking time that transmits from transmitting signals to, with the distance of calculating electric wheel-chair vehicle and human body or barrier blanking time of monitoring.
The CAS of aforesaid electric wheel-chair vehicle is characterized in that: described Intelligent treatment device includes host scm and motor-drive circuit, and this actuating unit is for driving the motor of wheelchair walking; This host scm is exported pwm control signal with the detected range information of induction installation and is given this motor-drive circuit after intelligence computation, handle back control motor by this motor-drive circuit and regulate the speed.
The CAS of aforesaid electric wheel-chair vehicle, it is characterized in that: described Intelligent treatment device includes host scm, this actuating unit includes display lamp and audible alarm unit, and the detected range information of induction installation is controlled this display lamp to this host scm after intelligence computation or audible alarm unit work is reported to the police to the wheelchair occupant.
Compared with prior art, the utlity model has following advantage: in use, induction installation detects wheel Wheel-chair and passerby on every side or the distance between the barrier, by the host scm of Intelligent treatment device the detected distance of induction installation is carried out intelligence computation, analyzed back control actuating unit and carry out corresponding safe reminding alarm or operation then, so of the present utility model rational in infrastructure, can make the use of electric wheel-chair vehicle safer, reliable.
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is described in further detail:
[description of drawings]
Fig. 1 is a principle schematic of the present utility model;
Fig. 2 is a functional-block diagram of the present utility model;
Fig. 3 is the functional-block diagram of induction installation of the present utility model;
Fig. 4 is the circuit connection diagram of induction installation specific embodiment of the present utility model;
Fig. 5 is the circuit connection diagram of the embodiment one that is connected with actuating unit of Intelligent treatment device of the present utility model;
Fig. 6 is the circuit connection diagram of the embodiment two that is connected with actuating unit of Intelligent treatment device of the present utility model.
[specific embodiment]
This utility model is a kind of CAS of electric wheel-chair vehicle, schematic diagram as shown in Figure 1, it includes induction installation 4, Intelligent treatment device 5 and the actuating unit 6 that is electrically connected successively, wherein induction installation 4 is a kind of distance detection device, mainly is the distance that detects between wheel Wheel-chair 1 and passerby on every side or the barrier 2; 51 pairs of induction installations of the host scm of Intelligent treatment device 5,4 detected distances are carried out intelligence computation, control actuating unit 6 in analysis back carries out corresponding safety prompting, reports to the police or operation.
Shown in Fig. 3,4, described induction installation 4 includes radiating circuit 41, ultrasonic sensor 42, receiving circuit 43, amplifying circuit 44, detecting circuit 45, and as shown in the figure, ultrasonic sensor 42 is made up of ultrasonic transmitter and receptor.Radiating circuit 41 and detecting circuit 45 are connected with an output, the input pin of the host scm 51 of Intelligent treatment device 5 respectively, this radiating circuit 41 is connected with the emitter of ultrasonic sensor 42, this detecting circuit 45 is connected with the receptor of receiving circuit 43 with ultrasonic sensor 42 by amplifying circuit 44 successively, and wherein this radiating circuit 41 is launched the signal amplification back of host scm 51 outputs by the emitter of ultrasonic sensor 42; The ultrasonic signal that human body or barrier 2 reflect converts the signal of telecommunication to by the receptor reception of ultrasonic sensor 42 and through receiving circuit 43, be input in the host scm 51 after after amplifying circuit 44 amplifies the signal of telecommunication, carrying out detection again by detecting circuit 45, host scm 51 monitorings are received the blanking time that transmits from transmitting signals to, with calculating the distance of electric wheel-chair vehicle 1 with human body or barrier 2 blanking time of monitoring.During work, host scm 51 produces one section ultrasonic signal earlier, outputs to radiating circuit 41 by 22 feet.Radiating circuit 41 is by R18, Q5, R19 forms buffer, the ultrasonic signal of host scm 51 outputs is isolated amplification, pass through again by R20, Q4, T2, R15, C12, the power amplification circuit power amplification once more that R21 forms, then by T2 level output of booster transformer, after the emitter of driving ultrasonic sensor 42 has been launched ultrasonic signal, the receptor of ultrasonic sensor 42 begins to receive the signal that is reflected by people on every side or barrier 2, then signal is through R17, C9, D3, Q3, R16, R13, R12, the receiving circuit 43 that C8 forms amplifies, and carries out two-stage again by amplifying circuit 44 and amplify, filtering.Amplifying circuit 44 has two-stage to amplify, and wherein the first order is made up of C5, C6, C7, R6, R10, R11, U1A; The second level is made up of R5, R4, C4, C3, R3, C2, U1B; The bleeder circuit that R7, R14 form provides 2.5V voltage for U1; C11, C13 form the electric source filter circuit of U1.The output signal of amplifying circuit 44 is delivered to detecting circuit 45.The circuit detection that detecting circuit 45 is made up of D1, D2, C1 is exported to host scm 51 through R1, R2, Q2 after amplifying.Host scm 51 monitorings are from transmitting signals to the blanking time of receiving reflected signal, with calculating the distance of electric wheel-chair vehicle 1 with human body or barrier 2 blanking time of monitoring.Induction installation 4 can include the people on the directions such as detecting front, rear, left and right or the induction installation of barrier 2.As shown in Figure 1, induction installation 4 comprises the place ahead, rear induction installation, and the place ahead induction installation comprises preceding two groups of ultrasonic sensors 42 of left, radiating circuit 41, receiving circuit 43; Preceding right-hand two groups of ultrasonic sensors 42, radiating circuit 41, receiving circuit 43; The amplifying circuit 44 and the detecting circuit 45 of left front, right front induction installation are shared.The rear induction installation also comprises one group of ultrasonic sensor 42 of back left, radiating circuit 41, receiving circuit 43; The right-hand one group of ultrasonic sensor 42 in back, radiating circuit 41, receiving circuit 43, the amplifying circuit 44 and the detecting circuit 45 of back left, the right-hand induction installation in back are shared.
Actuating unit 6 can be designed to display lamp 61, audible alarm unit 62 or wheelchair motor 63 etc. as required, also can be their combination.
When actuating unit 6 was display lamp 61, Intelligent treatment device 5 can be controlled display lamp 61 glittering warnings, reminded old people or people with disability carefully to drive.
When actuating unit 6 was audible alarm unit 62, Intelligent treatment device 5 can be controlled audible alarm unit 62 and report to the police, and reminded old people or people with disability carefully to drive.
As shown in Figure 6, Intelligent treatment device 5 also can control display lamp 61 and audible alarm unit 62 is reported to the police simultaneously, remind old people or people with disability carefully to drive, at this moment Intelligent treatment device 5 includes host scm 51, this actuating unit 6 includes display lamp 61 and audible alarm unit 62, and induction installation 4 detected range informations are controlled this display lamp 61 to this host scm 51 after intelligence computation and audible alarm unit 62 work are reported to the police to the wheelchair occupant.Control display lamp 61 is made up of light emitting diode D601, R601, and R601 plays metering function.Audible alarm unit 62 is made up of buzzer B701, audion Q701 and resistance R 701, and audion is used to amplify drive current.
As shown in Figure 5, when actuating unit 6 is when driving the motor 63 of wheelchair walking, Intelligent treatment device 5 is regulated the rotating speed of drive motors 63 automatically, thereby the travel speed of control electric wheel-chair vehicle, auxiliary old people or people with disability drive, and control has the electric wheel-chair vehicle travel speed and comprises decelerations, recovery normal speed and stop.At this moment Intelligent treatment device 5 includes host scm 51 and motor-drive circuit 52; This host scm 51 is exported pwm control signal with induction installation 4 detected range informations and is given this motor-drive circuit 52 after intelligence computation, handle back control motor 63 by this motor-drive circuit 52 and regulate the speed.Host scm 51 is by 19 foot output pwm signals, and 28,29 feet are exported the PWM logic control signal.Pwm signal is after R62, R70, R58, U7A are anti-phase, and divide four tunnel outputs: the one tunnel is reverse once more through U7B, delivers to U13 by R110, D15; Lead up to R113, D14, directly deliver to U13; One the tunnel is reverse once more through U7C, delivers to U12 by R112, D19; Lead up to R111, D18, directly deliver to U12.U12, U13 are the special-purpose drive integrated circult of field effect transistor; The peripheral circuit of U12 has comprised R150, C63, D26, R177, D21, C77, C64, R184, C106, C65, D24, R178, C105; The peripheral circuit of U13 comprises R157, C68, D16, R180, D30, C78, C67, R185, C107, C66, D27, R181, C108.U12 drives field effect transistor Q27, Q28, and C81, R152 are the Q27 holding circuit, and C84, R153 are the Q28 holding circuit; U13 drives field effect transistor Q31, Q29, and C82, R155 are the Q31 holding circuit, and C86, R156 are the Q29 holding circuit.Pwm signal is added to the two ends of motor 63 after power amplification, control motor 63 keeps normal speed, slows down or stops, thereby realizes crashproof function.Usually motor-drive circuit 52 is two groups, controls 63 actions of left and right sides motor respectively.
Or be narrower than when travelling in 2.8 meters the tunnel, can close this CAS at home.
Claims (4)
1. the CAS of an electric wheel-chair vehicle, it is characterized in that: include the induction installation (4), Intelligent treatment device (5) and the actuating unit (6) that are electrically connected successively, wherein induction installation (4) is a kind of distance detection device, mainly is the distance that detects between wheel Wheel-chair (1) and passerby on every side or the barrier (2); Control actuating unit (6) carried out corresponding safe reminding alarm or operation after the host scm (51) of Intelligent treatment device (5) carried out intelligence computation, analysis to the detected distance of induction installation (4).
2. the CAS of electric wheel-chair vehicle according to claim 1, it is characterized in that: described induction installation (4) includes radiating circuit (41), ultrasonic sensor (42), receiving circuit (43), amplifying circuit (44) and detecting circuit (45), (one of 50 host scm (51) is exported with the Intelligent treatment device respectively for described radiating circuit (41) and detecting circuit (45), input pin connects, this radiating circuit (41) is connected with the emitter of ultrasonic sensor (42), and this detecting circuit (45) is connected with the receptor of receiving circuit (43) with ultrasonic sensor (42) by amplifying circuit (44) successively; This radiating circuit (41) is launched the signal amplification back of host scm (51) output by the emitter of ultrasonic sensor (42); The ultrasonic signal that human body or barrier (2) reflect converts the signal of telecommunication to by the receptor reception of ultrasonic sensor (42) and through receiving circuit (43), be input in the host scm (51) after after amplifying circuit (44) amplifies the signal of telecommunication, carrying out detection again by detecting circuit (45), this host scm (51) monitoring is received the blanking time that transmits from transmitting signals to, with calculating the distance of electric wheel-chair vehicle (1) with human body or barrier (2) blanking time of monitoring.
3. the CAS of electric wheel-chair vehicle according to claim 1 and 2, it is characterized in that: described Intelligent treatment device (5) includes host scm (51) and motor-drive circuit (52), and this actuating unit (6) is for driving the motor (63) of wheelchair walking; This host scm (51) is exported pwm control signal with the detected range information of induction installation (4) and is given this motor-drive circuit (52) after intelligence computation, handle back control motor (63) by this motor-drive circuit (52) and regulate the speed.
4. the CAS of electric wheel-chair vehicle according to claim 1 and 2, it is characterized in that: described Intelligent treatment device (5) includes host scm (51), this actuating unit (6) includes display lamp (61) and audible alarm unit (62), and the detected range information of induction installation (4) is controlled this display lamp (61) to this host scm (51) after intelligence computation or audible alarm unit (62) work is reported to the police to the wheelchair occupant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620065331 CN200948206Y (en) | 2006-09-28 | 2006-09-28 | An anticollision system of electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620065331 CN200948206Y (en) | 2006-09-28 | 2006-09-28 | An anticollision system of electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200948206Y true CN200948206Y (en) | 2007-09-19 |
Family
ID=38890741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620065331 Expired - Fee Related CN200948206Y (en) | 2006-09-28 | 2006-09-28 | An anticollision system of electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200948206Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592947B (en) * | 2009-07-03 | 2012-01-04 | 西安交通大学 | Zigbee accessed electric wheelchair controller and control method |
| CN104240441A (en) * | 2013-06-10 | 2014-12-24 | 罗伯特·博世有限公司 | Method and apparatus for issuing alarm to user of electronic and/or mechanical walking aid |
| CN108784953A (en) * | 2018-05-31 | 2018-11-13 | 上海理工大学 | Disabled person's household auxiliary device |
| CN111184897A (en) * | 2020-02-25 | 2020-05-22 | 四川大学华西第二医院 | Intelligent sterilization frame with automatic control function |
-
2006
- 2006-09-28 CN CN 200620065331 patent/CN200948206Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592947B (en) * | 2009-07-03 | 2012-01-04 | 西安交通大学 | Zigbee accessed electric wheelchair controller and control method |
| CN104240441A (en) * | 2013-06-10 | 2014-12-24 | 罗伯特·博世有限公司 | Method and apparatus for issuing alarm to user of electronic and/or mechanical walking aid |
| CN108784953A (en) * | 2018-05-31 | 2018-11-13 | 上海理工大学 | Disabled person's household auxiliary device |
| CN111184897A (en) * | 2020-02-25 | 2020-05-22 | 四川大学华西第二医院 | Intelligent sterilization frame with automatic control function |
| CN111184897B (en) * | 2020-02-25 | 2020-11-10 | 四川大学华西第二医院 | Intelligent sterilization frame with automatic control function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20110928 |