CN213489914U - Intelligent wheelchair based on sensor - Google Patents
Intelligent wheelchair based on sensor Download PDFInfo
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- CN213489914U CN213489914U CN202022166674.2U CN202022166674U CN213489914U CN 213489914 U CN213489914 U CN 213489914U CN 202022166674 U CN202022166674 U CN 202022166674U CN 213489914 U CN213489914 U CN 213489914U
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Abstract
The utility model discloses an intelligence wheelchair based on sensor, include: wheelchair body and user's gloves install on the wheelchair body: the device comprises a control system, a driving motor, a Bluetooth communication module, a switch control key and a battery module; the user glove is provided with: a gyroscope sensor and a control main board; the switch control key is used for controlling the control system to be turned on and off; the gyroscope sensor is electrically connected with the control mainboard; the control system, the driving motor, the Bluetooth communication module and the control mainboard are respectively electrically connected with the battery module. The user takes the user gloves and sends the action command to the gyroscope sensor, the gyroscope sensor converts the action command into a sequence signal, the control mainboard transmits the sequence signal to the control system through the Bluetooth communication module, and the control system starts the rotation direction of the motor according to the sequence signal, so that the wheels are driven to rotate correspondingly.
Description
Technical Field
The utility model relates to an intelligence wheelchair technical field especially relates to an intelligence wheelchair based on sensor.
Background
With the coming of aging society, it is important to improve the quality of life of the elderly and the disabled. Hand-propelled wheelchairs have existed for centuries and have become an important tool in hospitals, shopping malls, and homes to assist people with impaired mobility. The existing electric wheelchair with the control lever on the market for interaction is not suitable for the old with weak body or the disabled with weak hands, but the wheelchair with the artificial intelligent image recognition mode has high development cost, is not suitable for common families, and is not suitable for the old and the disabled with insurmountable economy.
Disclosure of Invention
To solve the problems, the utility model provides an intelligence wheelchair based on sensor.
In order to realize the purpose of the utility model, the utility model provides an intelligence wheelchair based on sensor, include: wheelchair body and user's gloves, install on the wheelchair body: the device comprises a control system, a driving motor, a Bluetooth communication module, a switch control key and a battery module; the user glove is provided with: gyroscope sensor, control mainboard.
The switch control key is arranged at the armrest of the wheelchair body; the gyroscope sensor is arranged at the palm center in the glove of the user; the control main board is installed in the user glove.
The control system and the driving motor are respectively electrically connected with the battery module; the driving motor, the Bluetooth communication module and the switch control key are respectively electrically connected with the control system; the gyroscope sensor is electrically connected with the control mainboard; the control mainboard is wirelessly connected with the control system through the Bluetooth communication module; the driving motor is mechanically connected with the wheels of the wheelchair body.
Further, the control mainboard adopts arduino LilyPad control panel, the gyroscope sensor adopts the KGY23 model.
Further, the intelligent wheelchair further comprises: the heart rate sensor is arranged at the index finger position inside the user glove; the LCD display screen is arranged on the armrest of the wheelchair body; the heart rate sensor and the LCD display screen are respectively electrically connected with the control main board.
Further, the intelligent wheelchair further comprises: the wheelchair comprises a buzzer, a light alarm and an alarm switch button, wherein the buzzer and the light alarm are arranged on the wheelchair body; the alarm switch key is arranged on the armrest of the wheelchair body; the buzzer, the light alarm and the alarm switch key are electrically connected with the control system.
Further, the intelligent wheelchair further comprises: the voice processing module is installed on the armrest of the wheelchair body; the voice processing module is electrically connected with the control system.
Further, the intelligent wheelchair further comprises: an RT5350F development board, wherein the RT5350F development board is arranged on the wheelchair body; the RT5350F development board is electrically connected with the control system; the control system carries out wireless network transmission with the outside through the RT5350F development board.
Further, the intelligent wheelchair further comprises: the wheelchair comprises a front ultrasonic sensor group and a rear ultrasonic sensor group, wherein the front ultrasonic sensor group is arranged in the position which is right in front of the wheelchair body and close to the ground; the rear ultrasonic sensor group is arranged at the position right behind the wheelchair body and close to the ground; the front ultrasonic sensor group and the rear ultrasonic sensor group are electrically connected with the control system.
Further, the intelligent wheelchair further comprises: the GPS positioning system is arranged on the wheelchair body; and the GPS positioning system is electrically connected with the control system.
Compared with the prior art, the utility model discloses following profitable technological effect has:
this technical scheme installs the on-off control button of touch in wheelchair handrail department, controls entire system work, has warning key switch simultaneously, when user's self-sensation is uncomfortable, can touch the switch, carries out buzzer, LED lamp and APP and reports to the police. The voice processing module is installed at the switch, so that a user can complete switch control and alarm control through voice naming, and the life quality of the old and the disabled is improved.
Drawings
FIG. 1 is a schematic diagram of the structural connections of the modules of the sensor-based intelligent wheelchair according to one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The utility model relates to an intelligent disabled wheelchair controlled by a sensor, which is mainly suitable for disabled people with weak limbs to use and can be controlled by simple movement of hands. As shown in FIG. 1, the technical scheme mainly senses the gesture of a user through a gyroscope sensor and controls the wheelchair to move forward, backward, turn left, turn right and stop. The main vital signs of the human body are detected by a heart rate sensor. The automatic obstacle avoidance is realized by the ultrasonic sensor. And a GPS positioning system is arranged on the wheelchair, and if the wheelchair is 'broken on a half road', the family can immediately find the position through the positioning function. The wheelchair is also provided with an LED lamp which is automatically turned on at night, so that accidents caused when the wheelchair user tries to pass through a sidewalk and a parking lot at night only because the driver does not see the wheelchair user.
The main body of the utility model is a wheelchair and user gloves. Main equipment on the user gloves has a gyroscope sensor and an arduino LilyPad control panel, and can be matched with a Bluetooth communication module and a control system on the wheelchair to control the advancing direction of the wheelchair.
The gyroscope is recommended to use KGY23(4mm multiplied by 4mm gyroscope), can be used for tilt detection, motion detection and the like, has the minimum size of 2mm multiplied by 0.9mm, and is characterized by high resolution with the maximum value of 14bit, low power consumption (standby 2 mu A, low resolution 10 mu A and high resolution 135 mu A), programmable standby awakening function, improved impact resistance and suitability for portable products.
The Arduino LilyPad is a small wearable CPU which can be sewn on a fabric to control other peripheral devices through a lead, and the core of the LilyPad is ATmega328V microcontroller working voltage of 5V.
The Bluetooth communication module can adopt HC-06 and HC-05 for information communication transmission.
The control system on the wheelchair uses an arduino uno system, and controls the motor through a received signal to drive the wheel to complete the functions of left-turning, right-turning, advancing, retreating and stopping.
The user takes the gloves on hand, can be according to the direction of travel of wanting, with palm turn left, turn right, upwards, downwards, level, after gyroscope sensor detected corresponding action, through the procedure setting, can produce corresponding sequence signal, change sequence signal and send for the wheelchair through bluetooth communication module, after the signal was received to the wheelchair, according to the procedure setting, start corresponding motor rotation direction to drive the wheel. Can be equipped with heart rate sensor on this gloves, can detect human main vital signs through heart rate sensor through the response of user's fingertip to pass through bluetooth communication module with heartbeat value, transmit to the LCD liquid crystal display of the handrail of wheelchair on, when the heart rate value is out of order, lead to taking off and have bee calling organ to report to the police and light warning trigger the warning.
The heart rate sensor PulseSensor is a photoelectric reflective analog sensor used for heart rate measurement, pulse waveform measurement and HRV analysis. The device is worn on fingers, earlobes and the like, and can transmit acquired analog signals to single-chip microcomputers with analog acquisition functions, such as Arduino, STM32, STC12C5A and the like, and convert the analog signals into digital signals through wire connection.
The liquid crystal display screen is an LCD display screen, and the size is selected according to the size of the wheelchair armrest. The buzzer is a general passive buzzer, and the light adopts an LED. The user takes the gloves that are equipped with heart rate sensor, fingertip contact heart rate sensor, the heart rate data of collection passes through bluetooth communication module and sends and receive, the wheelchair receives the signal after, according to the procedure setting, show heart type animation of beating and current heartbeat number on the LCD screen, if the per minute heart rate exceeds the safe set value, then the bee calling organ reports to the police, red LED emitting diode constantly twinkles the light simultaneously and reports to the police, and through passing through RT5350F development board with alarm signal and networking, send to user's affiliated cell-phone APP on, remote alarm.
In one embodiment, the ultrasonic sensor adopts a laser radar, and the laser radars are arranged in the front and at the back of the wheelchair, so that the distance of surrounding obstacles can be detected, and automatic obstacle avoidance is implemented. The laser radar can be selected from the laser radar LIDAR RPLIDAR-A1, 360-degree omnibearing scanning can be realized, the effective distance is 12 meters, and detailed surrounding environment data can be obtained. The laser radar scans the environment before and after at any time, if the distance obstacle is found to be smaller than the threshold value, the wheelchair is stopped to move through program setting, the priority of the stop instruction is highest at the moment, and the glove cannot control the movement until the distance measurement instruction is removed.
In one embodiment, a GPS is installed on the wheelchair, so that the current geographic position information can be transmitted through a GPRS module and finally displayed on a mobile phone APP of a user.
The GPS positioning system adopts UM4B0, is a minimum global high-precision positioning direction module developed by a union star wireless high-precision SoC chip based on Nebulas-II, can support satellite signals such as BDS B1/B2/B3, GPS L1/L2/L5, GLONASS L1/L2, Galileo E1/E5a/E5B and QZSS L1/L2/L5, and supports narrowband anti-interference and inertial navigation device combined navigation. The current wheelchair position of GPS location produces position data, then shows current positional information in cell-phone APP map, can also install photo resistance and LED light in addition in the wheelchair outside, when night, can light LED automatically and throw light on.
In one embodiment, a touch switch control key is arranged at the armrest of the wheelchair to control the whole system to work, and an alarm key switch is arranged at the armrest of the wheelchair, so that when a user feels uncomfortable, the switch can be triggered to alarm the buzzer, the LED lamp and the APP. A voice processing module is installed at the switch, and a user can complete switch control and alarm control through voice naming. The switch control button is opened to user's pronunciation, opens entire system and begins work, and when user's health is improper, but the warning key switch is opened to pronunciation, and alarm information can transmit the cell-phone APP of user's relatives and friends so that the user obtains in time treatment. It should be noted that the above mentioned algorithms are prior art in the field, and the present invention does not improve the algorithm itself.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
It should be noted that the terms "first \ second \ third" referred to in the embodiments of the present application merely distinguish similar objects, and do not represent a specific ordering for the objects, and it should be understood that "first \ second \ third" may exchange a specific order or sequence when allowed. It should be understood that "first \ second \ third" distinct objects may be interchanged under appropriate circumstances such that the embodiments of the application described herein may be implemented in an order other than those illustrated or described herein.
The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product, or device that comprises a list of steps or modules is not limited to the listed steps or modules but may alternatively include other steps or modules not listed or inherent to such process, method, product, or device.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A sensor-based smart wheelchair comprising: a wheelchair body and a user glove,
the wheelchair body is provided with: the device comprises a control system, a driving motor, a Bluetooth communication module, a switch control key and a battery module; the user glove is provided with: a gyroscope sensor and a control main board;
the switch control key is arranged at the armrest of the wheelchair body; the gyroscope sensor is arranged at the palm center in the glove of the user; the control main board is installed in the user glove;
the control system and the driving motor are respectively electrically connected with the battery module; the driving motor, the Bluetooth communication module and the switch control key are respectively electrically connected with the control system; the gyroscope sensor is electrically connected with the control mainboard; the control mainboard is wirelessly connected with the control system through the Bluetooth communication module; the driving motor is mechanically connected with the wheels of the wheelchair body.
2. The sensor-based smart wheelchair as claimed in claim 1, wherein said control board is an arduino LilyPad control board, and said gyroscope sensor is a KGY23 model.
3. The sensor-based smart wheelchair of claim 1, further comprising: the heart rate sensor is arranged at the index finger position inside the user glove; the LCD display screen is arranged on the armrest of the wheelchair body; the heart rate sensor and the LCD display screen are respectively electrically connected with the control main board.
4. The sensor-based smart wheelchair of claim 1, further comprising: the wheelchair comprises a buzzer, a light alarm and an alarm switch button, wherein the buzzer and the light alarm are arranged on the wheelchair body; the alarm switch key is arranged on the armrest of the wheelchair body; the buzzer, the light alarm and the alarm switch key are electrically connected with the control system.
5. The sensor-based smart wheelchair of claim 4, further comprising: the voice processing module is installed on the armrest of the wheelchair body; the voice processing module is electrically connected with the control system.
6. The sensor-based smart wheelchair of claim 5, further comprising: an RT5350F development board, wherein the RT5350F development board is arranged on the wheelchair body; the RT5350F development board is electrically connected with the control system; the control system carries out wireless network transmission with the outside through the RT5350F development board.
7. The sensor-based smart wheelchair of claim 1, further comprising: the wheelchair comprises a front ultrasonic sensor group and a rear ultrasonic sensor group, wherein the front ultrasonic sensor group is arranged in the position which is right in front of the wheelchair body and close to the ground; the rear ultrasonic sensor group is arranged at the position right behind the wheelchair body and close to the ground; the front ultrasonic sensor group and the rear ultrasonic sensor group are electrically connected with the control system.
8. The sensor-based smart wheelchair of claim 1, further comprising: the GPS positioning system is arranged on the wheelchair body; and the GPS positioning system is electrically connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166674.2U CN213489914U (en) | 2020-09-28 | 2020-09-28 | Intelligent wheelchair based on sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166674.2U CN213489914U (en) | 2020-09-28 | 2020-09-28 | Intelligent wheelchair based on sensor |
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| Publication Number | Publication Date |
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| CN213489914U true CN213489914U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022166674.2U Active CN213489914U (en) | 2020-09-28 | 2020-09-28 | Intelligent wheelchair based on sensor |
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|---|---|
| CN (1) | CN213489914U (en) |
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- 2020-09-28 CN CN202022166674.2U patent/CN213489914U/en active Active
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