TW201513844A - Automatically controllable smart wheelchair - Google Patents

Abstract

An automatically controllable smart wheelchair includes a wheelchair frame, a body detection unit, a control unit, a drive unit, a light-sensing unit, a canopy-driving unit and a recognition unit. The body detection unit and the light-sensing unit are arranged on the frame. The control unit electrically connects with the body detection unit, the drive unit, the light-sensing unit and the canopy-driving unit. Once the body detection unit detected a distance and a position of an operator, the control unit controls the drive unit to travel the stroller frame to a predetermined position. In addition, once the light-sensing unit is operated to measure an intensity of the sunlight, the control unit controls the canopy-driving unit so as to drive a canopy to a predetermined sunshade position. The recognition unit is provided to recognize an identification element and allows operating the wheelchair if the identification element is successfully identified.

Description

Intelligent wheelchair that can be automatically controlled

The present invention relates to an intelligent wheelchair that can be automatically controlled; in particular, to a smart wheelchair that can automatically travel with a person; and more particularly to an intelligent wheelchair with automatic control of the sunshade; More specifically, it relates to an identifiable smart wheelchair.

Conventional wheelchair construction, for example, the Republic of China Patent Publication No. M384025, a fully automatic controllable shelter device for electric wheelchairs, a new patent, which discloses a fully automatic controllable shelter device for an electric wheelchair including: a main frame body , a bracket body, a shelter and a transmission unit. The main frame body comprises two opposite vertical bars, and the two vertical vertical bars are pivotally connected with a lead screw, and the bracket body is provided with a cross bar parallel to the lead screw. The crossbar is pivotally connected to the two poles, and is composed of a first pole and a second pole, and the first pole and the second pole have a mutual pivoting relationship, and the mutual pivoting Connect a link. The end of the two links is pivotally connected to a sleeve and screwed to the lead screw, and the second rod is pivotally connected to the vertical rod, and the shelter is fixed to the bracket body, and the transmission unit is connected to the The lead screw can automatically open and close the shelter by connecting the transmission unit to an electric wheelchair power unit.

Another conventional wheelchair construction, for example, the Republic of China Patent Publication No. M442832, the voice wheelchair system 〞 new patent, which discloses a voice wheelchair system comprising a voice unit, a control unit, a positioning unit, a motor unit, and a warning unit , a transmission unit, a light sensing unit. When the voice wheelchair system is activated, the voice unit first receives the user's Determining a path or password and transmitting a path or password to the control unit for performing movement of the user path or password by the motor unit, and analyzing the road condition through the positioning unit and having a front obstacle detection warning user and automatic Change a red light signal system, or transfer the user's password to the transmission unit so that a single computer (such as a TV or air conditioner) performs an action.

However, the wheelchairs of the aforementioned Nos. M384025 and M442832 still require personal operation and control, so the wheelchair does not have the function of automatic travel. Therefore, the aforementioned conventional wheelchair still needs further improvement, and there is a certain need for further providing automatic travel and automatic operation of the shade cloth. The above-mentioned patents of the Republic of China Patent Publication No. M384025 and No. M442832 are merely for the purpose of reference to the technical background of the present invention, and are not intended to limit the scope of the present invention.

In view of the above, the present invention provides an intelligently-controlled smart wheelchair that provides an automatic travel function or an automatic operation of the shade cloth function for facilitating the use and operation of the wheelchair for the purpose of improving the smart wheelchair function. purpose. In addition, the present invention provides an identifiable wheelchair that provides an identification function for facilitating the use and operation of a wheelchair for the purpose of improving the functionality of the smart wheelchair.

The main object of the present invention is to provide an intelligent wheelchair that can be automatically controlled, which uses a human body detecting unit to detect the movement of an operator, and then uses a control unit to synchronously control and drive a driving unit to achieve the function of improving the smart wheelchair. purpose.

Another object of the present invention is to provide an intelligently controlled smart wheelchair that uses a light sensing unit to detect the intensity of sunlight, and then uses a control unit to control the driving of a sunshade driving unit (or a tarpaulin driving unit). In order to achieve the purpose of upgrading the smart wheelchair function.

Another object of the present invention is to provide an identity recognition wheel The chair can operate a wheelchair system after an identity recognition unit is successfully identified, or can operate a lock unit to release the lock state of the wheelchair system, or can operate a control unit to control Drive a driving unit to achieve the purpose of improving the smart wheelchair function.

In order to achieve the above object, the intelligent wheelchair of the preferred embodiment of the present invention comprises: a wheelchair body; a human body detecting unit disposed on the wheelchair body; and a control unit electrically connected to the body a detecting unit; and a driving unit electrically connected to the control unit; wherein after the human detecting unit detects the distance and position of the person, the control unit controls the driving unit to drive the wheelchair body to a predetermined location.

Furthermore, the intelligently-controlled smart wheelchair of the preferred embodiment of the present invention comprises: a wheelchair body having a sunshade; a light sensing unit disposed on the wheelchair body; a control unit, electrical Connecting to the light sensing unit; and a sunshade driving unit electrically connected to the control unit; wherein after the light sensing unit detects the sunlight intensity, the control unit is used to control the driving of the sunshade driving unit to The shade cloth is moved to a predetermined shade position.

Furthermore, the intelligently controlled smart wheelchair of the preferred embodiment of the present invention comprises: a wheelchair system capable of carrying a human body; and an identification unit disposed on the wheelchair system; wherein the identification unit is used for reading An identification element The wheelchair system can only be operated after successful identification.

In the preferred embodiment of the present invention, the wheelchair system further includes a lock-up unit, and the lock-up unit can be operated after the identity recognition unit performs identity recognition to release the lock state of the wheelchair system.

In the preferred embodiment of the present invention, the wheelchair system further includes a warning unit. When the identity recognition component leaves the reading range of the identity recognition unit, the warning unit issues an alert and activates a power saving module.

In the preferred embodiment of the present invention, the identity recognition unit is selected from a radio frequency identification system.

The wheelchair system of the preferred embodiment of the present invention further includes a music playing unit, and the music playing unit performs playing of the sleep music.

In the preferred embodiment of the present invention, the music playing unit is selected from an MP3 playing unit.

The wheelchair system of the preferred embodiment of the present invention further includes a timing unit, and the timing unit performs timing reminding of the feeding time.

The wheelchair system of the preferred embodiment of the present invention further includes an anti-theft unit, and the anti-theft unit is coupled to the lock unit.

The control unit of the preferred embodiment of the present invention comprises a first single-chip microprocessor and a second single-chip microprocessor selected from an AVR single-chip microprocessor.

In the preferred embodiment of the present invention, the human body detecting unit comprises a first ultrasonic sensing component and a second ultrasonic sensing component.

In the preferred embodiment of the invention, the driving unit comprises an H-bridge driver, a first reduction motor and a second reduction motor.

In the preferred embodiment of the invention, the light sensing unit is selected from a photoresistor element.

The sunshade driving unit of the preferred embodiment of the present invention comprises a servo motor.

In the preferred embodiment of the present invention, the control unit is connected to stop Button.

In the preferred embodiment of the present invention, the wheelchair body further includes a seat back angle adjusting device.

The seat back angle adjusting device of the preferred embodiment of the present invention comprises a servo motor.

1‧‧‧ Wheelchair subject

10‧‧‧Control panel

11‧‧‧identity unit

2‧‧‧Control unit

20‧‧‧Music play/time unit

21‧‧‧ stop button

3‧‧‧Human detection unit

30‧‧‧Ultrasonic sensing components

4‧‧‧Travel unit

40‧‧‧H bridge driver

41‧‧‧First reduction motor

42‧‧‧second gear motor

43‧‧‧Locking unit

5‧‧‧Light sensing unit

6‧‧‧Shade drive unit

7‧‧‧Warning unit

71‧‧‧Anti-theft unit

100‧‧‧Backrest angle adjustment device

101‧‧‧Adjustment of support rods

102‧‧‧Servo motor

Figure 1 is a perspective front elevational view of a smart wheelchair that can be automatically controlled in accordance with a preferred embodiment of the present invention.

Figure 2 is a perspective rear elevation view of a smart wheelchair that can be automatically controlled in accordance with a preferred embodiment of the present invention.

Fig. 3 is a block diagram showing the automatic travel control of the intelligently-controlled intelligent wheelchair according to the preferred embodiment of the present invention.

Fig. 4 is a block diagram showing the adjustment control of the sunshade cloth for the intelligent wheelchair which can be automatically controlled according to the preferred embodiment of the present invention.

Fig. 5 is a block diagram showing the automatic travel control of the intelligently-controlled intelligent wheelchair according to another preferred embodiment of the present invention.

Figure 6 is a block diagram showing the identity control of an intelligently controllable intelligent wheelchair in accordance with a preferred embodiment of the present invention.

In order to fully understand the present invention, the preferred embodiments of the present invention are described in detail below and are not intended to limit the invention.

The intelligently-acceptable smart wheelchair of the preferred embodiment of the present invention can be widely applied to various electric or non-electric wheelchairs or related art fields, and the related art is within the scope of the spirit and technical field of the present invention. The ID card of the preferred embodiment of the present invention provides an identification function and other single functions (for example, an automatic traveling function or an automatic operation of the sunshade function), which can be widely applied to various electric or non-electric wheelchairs or related technologies. field.

Figure 1 discloses an automatically controllable embodiment of the preferred embodiment of the present invention. Stereo front view of a smart wheelchair. Fig. 2 is a perspective rear elevational view of a smart wheelchair that can be automatically controlled in accordance with a preferred embodiment of the present invention, corresponding to Fig. 1. Referring to Figures 1 and 2, the automatically controllable smart wheelchair of the preferred embodiment of the present invention comprises a wheelchair body 1 or a wheelchair system. In general, the wheelchair body 1 or the wheelchair system includes a seat, at least one hand grip, a plurality of wheels, a plurality of push wheels, and a canopy. However, it is not intended to limit the scope of the invention. The wheelchair body 1 further has a control panel 10, and the control panel 10 is disposed on the back of the wheelchair body 1 or other suitable position (for example, an armrest).

Figure 3 is a block diagram showing the automatic travel control of the automatically controllable smart wheelchair according to a preferred embodiment of the present invention, which corresponds to the wheelchair of Figures 1 and 2. Fig. 4 is a block diagram showing the adjustment control of the sunshade cloth of the intelligently controllable intelligent wheelchair according to the preferred embodiment of the present invention, which corresponds to the wheelchair of Figures 1 and 2. As shown in the third and fourth embodiments, the intelligent wheelchair of the preferred embodiment of the present invention further includes a control unit 2, a human body detecting unit 3, a driving unit 4, and a light sensing unit 5; A shade cloth drive unit 6. The operator controls the control unit 2 by means of the control panel 10.

The control unit 2 is disposed on the wheelchair body 1 and the control unit 2 is electrically connected to the human body detecting unit 3 and the traveling unit 4, such that the body detecting unit 3 is as shown in FIG. 1 to FIG. The human body detection signal is transmitted to the control unit 2. The control unit 2 includes a first single-chip microprocessor and a second single-chip microprocessor, which are selected from an AVR single-chip microprocessor for calculating the distance between the human detecting unit 3 and the operator. The control unit 2 is further electrically connected to a stop button 21 to terminate the operation of the human body detecting unit 3 and the traveling unit 4. For example, the stop button 21 can be selectively disposed on the control panel 10 or other suitable location of the wheelchair body 1.

Referring to FIGS. 1 to 3 again, the human body detecting unit 3 includes a first ultrasonic sensing element 30 and a second ultrasonic sensing element 30, and the ultrasonic sensing element 30 And the second ultrasonic sensing element 30 is disposed on the right and left grips at the rear sides of the wheelchair body 1 to detect the movement of the operator on both sides of the rear side of the wheelchair body 1. In addition, the human body detecting unit 3 can also be selected from other moving distance sensing elements.

Referring to FIGS. 1 to 3 again, the traveling unit 4 includes an H bridge driver 40, a first reduction gear motor 41, a second reduction motor 42 or other motors. The first reduction motor 41 and the second reduction motor 42 are respectively disposed on the two hand wheels or the two front wheels of the wheelchair body 1. The control unit 2 controls the first reduction motor 41 and the second reduction motor 42 by the H-bridge driver 40 to start or stop the first reduction motor 41 and the second reduction motor 42. When the control unit 2 controls the activation of the first reduction motor 41 and the second reduction motor 42, the wheelchair body 1 can automatically drive the left turn, the right turn, the forward or the reverse stroke.

Referring to FIG. 3 again, after the human body detecting unit 3 detects the distance and position of the operator, the control unit 2 controls the driving unit 4 via the H-bridge driver 40 so that the wheelchair body 1 automatically Traveling to a predetermined position, that is, driving the traveling unit 4 as the operator moves. Once the operator presses the stop button 21, the automatic driving mode of operation of the smart wheelchair is terminated.

Referring to Figures 1, 2 and 4 again, in order to automatically operate the sunshade cloth (or tarpaulin) of the wheelchair body 1, the light sensing unit 5 and the sunshade driving unit 6 must be provided. When the light sensing unit 5 and the sunshade driving unit 6 are disposed, the intelligent wheelchair that can be automatically controlled in the preferred embodiment of the present invention omits the human body detecting unit 3 and the traveling unit 4. The light sensing unit 5 is disposed on a crossbar of the wheelchair body 1 to sense the intensity of sunlight. The light sensing unit 5 is selected from a photoresistor element [photo A resistor or other light sensing component, and the light sensing unit 5 is electrically connected to the control unit 2 to transmit a light intensity detection signal to the control unit 2.

Referring to Figures 1, 2 and 4, the shade drive unit 6 includes a servo motor and a gear set, and the shade drive unit 6 is electrically connected to the control unit. 2. The visor drive unit 6 is disposed at other suitable positions of the wheelchair body 1 so that the control unit 2 operates the deployment or retraction of the visor of the wheelchair body 1 according to the sensed sunlight intensity of the light sensing unit 5, or In the rain, it is selected to manually operate the deployment or retraction of the visor of the wheelchair body 1.

Referring to FIG. 4 again, after the light sensing unit 5 detects the sunlight intensity, the control unit 2 controls the servo motor that drives the sunshade driving unit 6 to automatically operate the sunshade relative to the wheelchair body. 1 Move to a predetermined shade (angle) position or rain (angle) position. Alternatively, the preferred embodiment of the invention selects the manual adjustment of the shade cloth.

Referring to Figures 1, 2 and 4 again, the wheelchair body 1 further includes a backrest adjustment mechanism 100. The back angle adjustment device 100 includes an adjustment support rod 101 and a servo motor 102, and the servo motor 102 can drive the rotation angle of the adjustment support rod 101 relative to the seat of the wheelchair body 1 to adjust the back angle adjustment. The back angle of the device 100.

Figure 5 is a block diagram showing the automatic travel control of the automatically controllable smart wheelchair according to another preferred embodiment of the present invention. Referring to Figures 1, 2 and 5, when the operator leaves or exceeds the detection range, since the human body detecting unit 3 cannot detect the operator, the control unit 2 is used to terminate the operation of the driving unit 4, so that The wheelchair body 1 automatically stops traveling.

In addition, the control unit 2 sends a warning signal to a warning unit 7, such as a horn or a warning light, to remind the operator that he has left or exceeded The detection range of the human body detecting unit 3 is obtained. Once the operator returns to the detection range, the automatic driving mode of the smart wheelchair can be continued.

FIG. 6 is a block diagram showing the identity control of an intelligently controllable intelligent wheelchair according to a preferred embodiment of the present invention. The intelligent wheelchair that can be automatically controlled in the preferred embodiment of the present invention omits the human body detecting unit 3, the light sensing unit 5, and the sunshade driving unit 6. Referring to Figures 1, 2 and 6, the wheelchair system can carry a human body. In order to provide an identification function, the wheelchair body 1 must have an identification unit 11 electrically connected to the control panel 10. And the identification unit 11 is disposed on the grip of the wheelchair body 1 or other suitable position, such as a backboard, a bracket or a beam.

Referring to the first, second and sixth figures, in the identity recognition operation, the identity recognition unit 11 is used to read an identity recognition component (for example, an identification card), and after the identity recognition is successful, the operation can be performed. The wheelchair system. Conversely, if the identification cannot be successful, the wheelchair system cannot be activated or operated, or the power to the wheelchair system is turned off.

Referring to Figures 1, 2 and 6, the identification unit 11 is selected from a radio frequency identification system (RFID system), for example, a radio frequency identification reader (RFID reader) reads and distributes the user to the user [ User] or operator's RFID tag, or other identification system, such as fingerprint recognition system, voice recognition system, face recognition system 〕Wait.

Referring again to Figures 1, 2 and 6, the ID-aidable wheelchair of the preferred embodiment of the present invention further includes a music play/time unit 20. The operator controls the control unit 2 and the music play/time unit 20 using the control panel 10. The music playing/timekeeping unit 20 includes a music player unit and a timer unit, wherein the music playing unit performs a playing of a music piece, and the timing unit performs a set time or timing. The operator leaves the time to activate a power-saving module or disconnect the power supply of the wheelchair system after the operator has left for a predetermined period of time. The music playback unit can be selected from an MP3 playback unit or other player, and the MP3 playback unit has a memory card slot, such as an SD card slot, as shown by element 20 of FIG.

Referring again to Figures 1, 2 and 6, the travel unit 4 further includes a wheelchair lock unit 43. For example, the lock mechanism unit 43 is electrically connected to the first reduction motor 41 and the second reduction motor 42 of the travel unit 4, so the lock unit 43 can control the first reduction motor 41 and the second reduction motor 42. Start or stop. After the identity recognition unit 11 performs the identity identification successfully, the lock mechanism unit 43 can be operated to release the lock state of the wheelchair system. Conversely, if the identification cannot be successful, the locked state of the wheelchair system cannot be released.

Referring to the figures 1 , 2 and 6 again, the warning unit 7 is electrically connected to an alarm unit 71 to remind the person to touch the wheelchair after the identification unit 11 has not successfully identified the identity. Any part of the main body 1. In addition, the anti-theft unit 71 is electrically connected to the driving unit 4 or the locking unit 43. Thus, once the anti-theft unit 71 issues an alert, the travel unit 4 stops operating, or the lock-up unit 43 is activated to enter the lock-up state.

Referring to Figures 1, 2 and 6, again, if the lock state of the wheelchair system continues for more than a predetermined period of time, the warning unit 7 also issues an intermittent warning. In addition, when the identity recognition component (eg, the RFID tag) leaves the reading range of the identity recognition unit 11, the alert unit 7 issues a warning, activates the power saving module, or cuts off the power of the wheelchair system, or starts The lock unit 43 enters a locked state.

The foregoing preferred embodiments are merely illustrative of the invention and its technical features, and the techniques of the embodiments may be practiced in various equivalent equivalents and/or alternatives. The scope defined by the scope of patent application shall prevail. The copyright limitation of this case is used for the purpose of patent application in the Republic of China.

1‧‧‧ Wheelchair subject

10‧‧‧Control panel

11‧‧‧identity unit

3‧‧‧Human detection unit

30‧‧‧Ultrasonic sensing components

41‧‧‧First reduction motor

42‧‧‧second gear motor

5‧‧‧Light sensing unit

6‧‧‧Shade drive unit

100‧‧‧Backrest angle adjustment device

101‧‧‧Adjustment of support rods

102‧‧‧Servo motor

Claims (10)

An intelligently-controlled intelligent wheelchair comprising: a wheelchair body; a human body detecting unit disposed on the wheelchair body, wherein the human body detecting unit is configured to detect a person; and a control unit electrically connected And the driving unit is electrically connected to the control unit; wherein after the human body detecting unit detects the distance and position of the person, the control unit controls the driving unit to drive the wheelchair The main body travels to a predetermined position. A smart wheelchair that can be automatically controlled, comprising: a wheelchair body having a sunshade cloth; a human body detecting unit disposed on the vehicle frame body, wherein the human body detecting unit is configured to detect a person; a light sensing unit disposed on the wheelchair body; a control unit electrically connected to the light sensing unit; a driving unit electrically connected to the control unit; and a sunshade driving unit, the electric Connected to the control unit; wherein after the human body detecting unit detects the distance and position of the person, the control unit controls the driving unit to drive the vehicle frame to a predetermined position; wherein the light sensing After the unit detects the sunlight intensity, the control unit controls the driving of the sunshade driving unit to operate the sunshade to move to a predetermined sunshade position. An intelligent wheelchair capable of automatically controlling, comprising: a wheelchair system capable of carrying a human body; a human body detecting unit disposed on the wheelchair system, wherein the human body detecting unit is configured to detect a person; and a control unit , electrically connected to the human body detecting unit; a driving unit electrically connected to the control unit; and an identification unit disposed on the wheelchair system; wherein after the human body detecting unit detects the distance and position of the person, the control unit controls the driving The driving unit is configured to drive the wheelchair system to a predetermined position; wherein the identification unit is used to read an identification component, and the wheelchair system can be operated after the identification is successful. The intelligently-controlled smart wheelchair according to the first, second or third aspect of the patent application, wherein the human body detecting unit comprises a first ultrasonic sensing component and a second ultrasonic sensing component, and the first An ultrasonic sensing element and a second ultrasonic sensing element are disposed on two rear sides of the wheelchair body to detect movement of the operator on both sides of the rear side of the wheelchair body. The intelligently-controlled smart wheelchair according to claim 1, 2 or 3, wherein the driving unit comprises an H-bridge driver, a first reduction motor and a second reduction motor. The intelligent wheelchair that can be automatically controlled according to claim 2, wherein the light sensing unit is selected from a photoresistor element. The intelligently-controlled smart wheelchair according to the second aspect of the patent application, wherein the sunshade driving unit comprises a servo motor. An intelligently controllable smart wheelchair as claimed in claim 1, 2 or 3, wherein the control unit comprises a first single-chip microprocessor and a second single-chip microprocessor selected from an AVR Single chip microprocessor. The wheelchair of claim 3, wherein the identification unit is selected from a radio frequency identification system. The intelligent wheelchair that can be automatically controlled according to the first, second or third patent application scope includes a backrest angle adjusting device.