CN114246739A - Intelligent wheelchair - Google Patents
Intelligent wheelchair Download PDFInfo
- Publication number
- CN114246739A CN114246739A CN202111567784.2A CN202111567784A CN114246739A CN 114246739 A CN114246739 A CN 114246739A CN 202111567784 A CN202111567784 A CN 202111567784A CN 114246739 A CN114246739 A CN 114246739A
- Authority
- CN
- China
- Prior art keywords
- wheelchair
- module
- main body
- seat
- user
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
-
- 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
- A61G5/1081—Parts, details or accessories with shock absorbers or other suspension arrangements between frame and seat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
- A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
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
The invention discloses an intelligent wheelchair, which comprises: the wheelchair comprises a wheelchair main body, a seat is arranged on the wheelchair main body, side curtains capable of being automatically stored are arranged on two sides of the seat, a ceiling capable of being automatically stored is arranged above the seat, a first detection device used for detecting whether a user is in a sleep state or not is arranged on the wheelchair main body, and a second detection device used for detecting a road surface condition is further arranged on the wheelchair main body. Through setting up ceiling and side curtain, make the wheelchair possess the function that blocks out the wind and rain, and ceiling and side curtain can be as required the selectivity open or close, in order to satisfy user's different demands, whether be sleep state through first detection device real-time supervision user, adjust the wheelchair and provide a safe comfortable sleep environment for the user, the road surface condition when going through second detection device real-time supervision wheelchair, adjust and provide more convenient comfortable taking experience for the user to the travel state of wheelchair.
Description
Technical Field
The invention relates to the technical field of intelligent wheelchairs, in particular to an intelligent wheelchair.
Background
The wheelchair is a chair provided with wheels and capable of helping to replace walking, is divided into electric and manual folding wheelchairs and is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons, and not only meets the requirements of physically disabled persons and persons with mobility disabilities for riding instead of walking, but also is more important to facilitate the family members to move and care for the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair; the common wheelchair generally comprises a foldable frame, front and rear wheels, left and right kneepads, a pedal plate, left and right detachable armrests, a handle brake device, a seat, a backrest and the like, wherein the hand-operated wheelchair is additionally provided with the hand-operated device on the basis of the common wheelchair, the electric wheelchair is additionally provided with an electronic power assisting system on the basis of the common wheelchair, the physical consumption of a user is reduced, and the intelligent wheelchair is additionally provided with auxiliary lives such as positioning movement, standing movement, remote control movement, related internet and the like on the basis of the electric wheelchair. Most of the existing intelligent wheelchairs do not have the following functions: the rain-proof and wind-proof umbrella cannot be used in rainy days and does not have the functions of wind and rain shielding; the wheelchair does not judge whether the user is in a waking state or a sleeping state on the wheelchair so as to adjust the using state of the wheelchair; when the wheelchair is running, the wheelchair does not have a function of monitoring the running road surface condition. Therefore, there is a need for an intelligent wheelchair that at least partially solves the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides an intelligent wheelchair comprising: the wheelchair comprises a wheelchair main body, a seat is arranged on the wheelchair main body, side curtains capable of being automatically stored are arranged on two sides of the seat, a ceiling capable of being automatically stored is arranged above the seat, a first detection device used for detecting whether a user is in a sleep state or not is arranged on the wheelchair main body, and a second detection device used for detecting a road surface condition is further arranged on the wheelchair main body.
Preferably, the wheelchair main part is provided with a support frame, the rear side of the support frame is provided with a back plate, the left side and the right side of the support frame are provided with side plates, the top of the support frame is provided with a top plate, the side plates are accommodated in the side plates in a sliding manner, the top plate is provided with a ceiling in an accommodating manner, the side curtains are in communication connection with a control part arranged on the wheelchair main part through a first driving part, and the ceiling is in communication connection with the control part through a second driving part.
Preferably, the wheelchair main body is further provided with a voice control module, and the voice control module is used for recognizing and judging voice instructions of a user and respectively controlling the first driving part and the second driving part to work through the control part.
Preferably, the first detection device comprises a first monitoring module and a second monitoring module, the first monitoring module is arranged at the front end of the seat and is used for monitoring the eyes of the user and judging whether the user is in a sleeping state; the second monitoring module is arranged on the seat and attached to the wrist pulse of the user, and is used for monitoring the heart rate of the user and judging whether the user is in a sleep state.
Preferably, the second detection device comprises a road surface detection module, and the road surface detection module is arranged on the wheelchair main body and is used for automatically monitoring the road surface condition in the driving process of the wheelchair.
Preferably, the side curtain includes a first shielding plate and a first louver, the first shielding plate and the first louver are both slidably received in the side plate, the first louver is disposed inside the first shielding plate, and the first driving portion can control movement of the first shielding plate and movement of the first louver respectively;
the ceiling comprises a second shielding plate and a second louver board, the second shielding plate and the second louver board are both slidably accommodated in the top plate, the second louver board is arranged on the inner side of the first shielding plate, and the second driving part can respectively control the movement of the second shielding plate and the second louver board;
the front end of support frame is equipped with the receiver, the receiver internal rotation is equipped with the pivot, the one end of pivot is equipped with the third drive division, the outside of pivot is connected with preceding curtain through the wind spring, the bottom of receiver is equipped with the opening, the bottom of preceding curtain is equipped with first magnet, be equipped with in the wheelchair main part with the second magnet of first magnet mutual adsorption, preceding curtain can pass the opening expandes downwards, and passes through first magnet and second magnet will the bottom of preceding curtain is fixed.
Preferably, the wheelchair main body is further provided with multimedia equipment, the bottom of the wheelchair main body is provided with wheels, the wheels are provided with self-locking modules, and the multimedia equipment and the self-locking modules are electrically connected with the control part of the wheelchair main body;
when the first monitoring module and the second monitoring module both judge that the user is in a sleep state, the control part controls the opened multimedia equipment to be closed or automatically reduces the volume, controls the backrest of the seat to be automatically adjusted to a preset angle, controls the ceiling and the side curtain to be in an opened state and controls the self-locking module to lock the wheels.
Preferably, the brake system further comprises a damping adjustment module, a sound reminding module and an automatic brake module;
the damping adjusting module is used for controlling the damping adjusting module to adjust the elasticity of a damping device arranged on the wheel of the wheelchair main body through the control part of the wheelchair main body when the pavement detecting module monitors that the pavement is not flat;
the sound reminding module is used for controlling the sound reminding module to give out a reminding through the control part when the road surface detection module monitors that the road surface has an obstacle, and controlling the wheelchair main body to start an automatic obstacle avoiding function through the control part if a user does not perform an obstacle avoiding operation within a preset time;
the automatic brake module is used for controlling the automatic brake module to brake and adjust wheels of the wheelchair main body and control the running speed of the wheelchair when the road surface detection module monitors that the road surface is a slope.
Preferably, a first stabilizing mechanism is arranged at the joint of the seat cushion of the seat and the wheelchair main body, the first stabilizing mechanism comprises an upper connecting plate, the upper connecting plate is fixedly connected with the bottom surface of the seat cushion, the top surface of the wheelchair main body is fixedly connected with a lower connecting plate, a plurality of first inserting rods are arranged on the bottom surface of the upper connecting plate, a plurality of first sleeves are arranged on the top surface of the lower connecting plate, the first inserting rods are slidably connected in the first sleeves, and first springs are connected between the bottom surfaces of the first inserting rods and the inner bottom surfaces of the first sleeves;
a first sliding groove is formed in the bottom surface of the upper connecting plate and located between the two first inserting rods, one end of an elastic assembly is arranged in the first sliding groove in a sliding mode, the other end of the elastic assembly is movably connected with a supporting column, and the supporting column is fixedly connected with the lower connecting plate;
the elastic component comprises a connecting rod, one end of the connecting rod is hinged to the side face of the supporting column, the other end of the connecting rod is connected with a first sliding block through two first elastic pieces which are arranged in a crossed mode, the first sliding block is connected in the first sliding groove in a sliding mode, one side, away from the first elastic pieces, of the first sliding block is provided with a second elastic piece, and the other end of the second elastic piece is connected with a fixing block fixed to the end portion of the first sliding groove.
Preferably, two sides of the rear end of the seat cushion of the seat are provided with connecting parts, a connecting shaft is rotatably arranged between the two connecting parts, the connecting shaft is fixedly connected with the backrest of the seat through a fixed supporting part, the connecting shaft drives the connecting shaft to rotate through a fourth driving part, and the fourth driving part is electrically connected with the control part of the wheelchair main body;
a rotating groove and a stabilizing groove are sequentially formed in one side, connected with the connecting shaft, of the connecting part, extending shafts are arranged at two ends of the connecting shaft, the diameter of each extending shaft is smaller than that of the connecting shaft, the end parts of the extending shafts are rotatably connected in the rotating groove through bearings, and second stabilizing mechanisms are arranged on the extending shafts, which are located on the outer sides of the stabilizing grooves;
the second stabilizing mechanism comprises a first column body, the first column body is fixedly connected to the bottom surface of the stabilizing groove, two arc-shaped plates are arranged on the outer side of the first column body, the arc-shaped plates are arranged in a gap formed by the stabilizing groove and the extending shaft, and a buffering assembly is arranged between the two arc-shaped plates in a sliding mode;
the buffer assembly comprises a moving frame, a second sleeve is arranged on the inner side of one end of the moving frame, a second inserting rod is movably inserted in the second sleeve, a hinge block is arranged at one end, away from the second sleeve, of the second inserting rod, a second spring is arranged between the hinge block and the second sleeve, the second spring is sleeved on the outer side of the second inserting rod, two first hinge rods are hinged to one end, away from the second inserting rod, of the hinge block, a second sliding block is hinged to the other end of the first hinge rod, two second hinge rods are hinged to one end, close to the second sleeve, of the moving frame, the other end of the second hinge rod is hinged to the second sliding block, second sliding grooves are respectively arranged on the opposite sides of the two arc-shaped plates, the second sliding block is connected in the second sliding grooves in a limiting and sliding manner, and a second column body is sleeved on one side, away from the second sleeve, in the moving frame, the side of the second cylinder with articulated piece butt, the second cylinder with connecting axle fixed connection.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the intelligent wheelchair, the ceiling and the side curtains are arranged, so that the wheelchair has the functions of shielding wind and rain, the ceiling and the side curtains can be selectively opened or closed according to needs to meet different requirements of users, whether the users are in a sleep state or not is monitored in real time through the first detection device, the wheelchair is adjusted, a safe and comfortable sleep environment is provided for the users, the road condition of the wheelchair during driving is monitored in real time through the second detection device, the driving state of the wheelchair is adjusted, and more convenient and comfortable riding experience is provided for the users.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic overall structure diagram of an intelligent wheelchair according to the present invention.
Fig. 2 is a schematic structural view of the intelligent wheelchair with a first shielding plate opened.
Fig. 3 is a schematic structural diagram of the intelligent wheelchair of the invention when a first louver is opened.
Fig. 4 is a schematic structural diagram of the intelligent wheelchair with the side curtains closed.
Fig. 5 is a schematic structural view of the intelligent wheelchair with a closed ceiling.
Fig. 6 is a schematic structural view of the intelligent wheelchair with the second shielding plate opened.
Fig. 7 is a schematic structural view illustrating the second louver of the intelligent wheelchair according to the present invention when it is opened.
Fig. 8 is a schematic structural view of the intelligent wheelchair in which the second shielding plate and the second louver plate are accommodated in the top plate.
Fig. 9 is a schematic structural view of the intelligent wheelchair of the present invention, in which the first and second shutters are housed in the side plate.
Fig. 10 is a schematic structural view of a storage box and a front curtain in the intelligent wheelchair.
Fig. 11 is a schematic structural diagram of a first stabilizing mechanism in the intelligent wheelchair according to the present invention.
Fig. 12 is a schematic structural view of the elastic component in the intelligent wheelchair according to the invention.
Fig. 13 is a schematic structural view of a connecting shaft and a connecting portion in the intelligent wheelchair according to the present invention.
Fig. 14 is a schematic partial enlarged view of the intelligent wheelchair of fig. 13 according to the present invention.
FIG. 15 is a side cross-sectional view of the smart wheelchair of FIG. 14 in accordance with the present invention.
FIG. 16 is an enlarged schematic view of a portion of the intelligent wheelchair of FIG. 15 according to the present invention.
Fig. 17(a) is a schematic diagram illustrating the acceleration analysis of the sensor when the intelligent wheelchair is not tilted with respect to the horizontal plane according to the present invention.
Fig. 17(b) is a schematic diagram illustrating the analysis of the acceleration of the sensor when the intelligent wheelchair of the present invention is tilted with respect to the horizontal plane.
Fig. 17(c) is a schematic view of the intelligent wheelchair of the present invention tilted with respect to the horizontal plane.
1 is a wheelchair main body, 2 is a seat, 210 is a backrest, 220 is a connecting part, 221 is a rotating groove, 222 is a stabilizing groove, 230 is a connecting shaft, 231 is an extending shaft, 3 is a side curtain, 310 is a first baffle plate, 320 is a first louver, 4 is a ceiling, 410 is a second baffle plate, 420 is a second louver, 5 is a support frame, 510 is a side plate, 520 is a top plate, 6 is a storage box, 610 is a rotating shaft, 620 is a third driving part, 630 is a coil spring, 640 is a front curtain, 650 is an opening, 7 is a wheel, 8 is a first stabilizing mechanism, 810 is an upper connecting plate, 811 is a first inserted link, 812 is a first sliding groove, 820 is a lower connecting plate, 821 is a first sleeve, 830 is an elastic component, 831 is a connecting rod, 832 is a first elastic component, 833 is a first sliding block, 834 is a second elastic component, 835 is a fixed block, 840 is a supporting column, 9 is a second stabilizing mechanism, 910 is a first column, 920 is an arc-shaped plate, 921 is a second runner, 930 is a cushion assembly, 931 is a moving frame, 932 is a second sleeve, 933 is a second insert rod, 934 is a hinge block, 935 is a second spring, 936 is a first hinge rod, 937 is a second slider, 938 is a second hinge rod, 940 is a second post, 10 is a foot pedal, 11 is a foot rest, 12 is a sensor.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 17, the present invention provides an intelligent wheelchair comprising: the wheelchair comprises a wheelchair body 1, a seat 2 is arranged on the wheelchair body 1, side curtains 3 capable of being automatically stored are arranged on two sides of the seat 2, a ceiling 4 capable of being automatically stored is arranged above the seat 2, a first detection device used for detecting whether a user is in a sleep state or not is arranged on the wheelchair body 1, and a second detection device used for detecting a road surface condition is further arranged.
The working principle of the technical scheme is as follows: the front part of the wheelchair main body 1 is provided with a seat 2 for a user to sit, two sides of the seat 2 are provided with side curtains 3, a ceiling 4 is arranged above the seat 2, the seat can be opened or closed by manual or automatic control according to needs, the ceiling 4 and the side curtains 3 can be independently operated to open or close the seat, and when the ceiling 4 and the side curtains 3 are both in an open state, the seat 2 can be in an independent space and isolated from the external environment, and the wheelchair has the functions of shading sun, rain and wind; when the user is on the seat 2, the first detection device can monitor the state of the user in real time and judge whether the user is in a sleep state or not so as to adaptively adjust the use state of the wheelchair and enable the user to be in a safer and more comfortable sleep environment during sleep, and the second detection device is used for monitoring the state of the road surface in real time when the wheelchair runs so as to adjust the running state of the wheelchair.
The beneficial effects of the above technical scheme are that: through setting up ceiling 4 and side curtain 3, make the wheelchair possess the function that blocks out the wind and rain, and ceiling 4 and side curtain 3 can be as required the selectivity open or close, in order to satisfy user's different demands, whether be sleep state through first detection device real-time supervision user, adjust the wheelchair and provide a safe comfortable sleep environment for the user, the road surface condition when going through second detection device real-time supervision wheelchair, adjust and provide more convenient comfortable taking experience for the user to the travel state of wheelchair.
In one embodiment, a support frame 5 is arranged on the wheelchair main body 1, a back plate is arranged on the rear side of the support frame 5, side plates 510 are arranged on the left and right sides of the support frame 5, a top plate 520 is arranged on the top of the support frame 5, side curtains 3 are slidably accommodated in the side plates 510, a ceiling 4 is slidably accommodated in the top plate 520, the side curtains 3 are in communication connection with a control part arranged on the wheelchair main body 1 through a first driving part, and the ceiling 4 is in communication connection with the control part through a second driving part.
The working principle and the beneficial effects of the technical scheme are as follows: the back plate, the side plate 510 and the top plate 520 enable the rear side of the seat 2 to form an accommodating space, accommodating cavities are formed in the side plate 510 and the top plate 520 and used for accommodating the side curtain 3 and the ceiling 4, the side curtain 3 and the ceiling 4 are respectively connected in the side plate 510 and the top plate 520 in a sliding mode, the control portion controls the first driving portion and the second driving portion to work, opening or closing of the side curtain 3 and the ceiling 4 can be controlled automatically, and naturally, opening and closing of the side curtain 3 and the ceiling 4 can also be controlled manually.
In one embodiment, the wheelchair main body 1 is further provided with a voice control module, and the voice control module is used for recognizing and judging voice instructions of a user and controlling the first driving part and the second driving part to work through the control part respectively.
The working principle of the technical scheme is as follows: the voice control module can recognize and judge the voice command of the user so as to intelligently control the opening or closing of the ceiling 4 and the side curtain 3, for example, the user sends the voice command of 'the ceiling 4 is opened', the voice control module recognizes and judges the voice command and transmits the judgment result to the control part, and the control part controls the second driving part to work according to the judgment result so that the ceiling 4 slides out of the top plate 520 and shields the upper part of the seat 2;
of course, the voice control module is not limited to the voice control of the first driving part and the second driving part, and may also control other functions of the wheelchair, for example, the operation of the multimedia device may be controlled by voice.
The beneficial effects of the above technical scheme are that: through the voice control module, the opening or closing of the ceiling 4 and the side curtains 3 can be realized without manual operation, the convenience in operation is provided for users with inconvenient hands, and the intelligence in use of the wheelchair is further improved.
In one embodiment, the first detection device includes a first monitoring module and a second monitoring module, the first monitoring module is disposed at the front end of the seat 2 and is used for monitoring eyes of a user and determining whether the user is in a sleep state; the second monitoring module is arranged on the seat 2 and is attached to the wrist pulse of the user, and the second monitoring module is used for monitoring the heart rate of the user and judging whether the user is in a sleep state.
The working principle and the beneficial effects of the technical scheme are as follows: the first monitoring module is arranged at the front end of the seat 2, specifically, the first monitoring module may be arranged at the foremost end of the support frame 5, the first monitoring module may be a camera device for acquiring an image of the eyes of the user, the camera device has an image processing function, and determines whether the eyes of the user are in a closed state in the acquired eye image, if the eyes are in a closed state, the determination result of the first monitoring module is that the user is in a sleep state, and if the eyes are in an open state, the determination result of the first monitoring module is that the user is in a waking state; the second monitoring module is arranged on the seat 2, the first monitoring module can be a monitoring bracelet worn on the wrist of a user, the monitoring bracelet is in communication connection with the control part, when the user sits on the seat 2, the monitoring bracelet is worn, the monitoring bracelet is attached to the wrist pulse of the user, the heart rate of the user can be monitored in real time, a preset heart rate range of the user in a sleep state can be preset, when the monitored heart rate is in the preset heart rate range, the judgment result of the second monitoring module is in the sleep state, and when the monitored heart rate is out of the preset heart rate range, the judgment result of the second monitoring module is in a waking state; and when the judgment results of the first monitoring module and the second monitoring module are both in the sleep state, the final judgment result is in the sleep state, if one judgment result of the first monitoring module and the second monitoring module is not in the sleep state, the final judgment result is in the waking state, and the control part controls the use state of the wheelchair according to the final judgment result, so that a more comfortable sleep environment is provided for a user.
In one embodiment, the second detection device comprises a road surface detection module, which is arranged on the wheelchair main body 1 and is used for automatically monitoring the road surface condition during the driving process of the wheelchair;
the road surface detection module transmits the judgment result to the control part, and the control part controls the running state of the wheelchair;
the road surface detection module comprises a camera device, a road surface flatness detection device and a sensor 12,
the camera device is used for acquiring a road surface image in front of the wheelchair in the driving process of the wheelchair, identifying and judging the road surface image and judging whether an obstacle exists on the road surface;
the road surface flatness detection device is used for detecting the flatness of the road surface;
a sensor 12 for detecting whether the road surface is a slope;
the visual judgment module is characterized in that the sensor 12 is arranged on the wheelchair main body 1, a rectangular coordinate system is established on a detection plane by taking a plane parallel to a seat cushion as the detection plane, the front and back direction of the wheelchair is taken as an x axis, the left and right direction is taken as a y axis, the vertical direction is taken as a z axis, and the step of detecting whether the road surface is a slope by the sensor 12 is as follows:
Wherein, axFor the stationary acceleration of the sensor 12 in the x-axis direction, ayIs the static acceleration of the sensor 12 in the y-axis direction;
θ＝arctan(a0/az)
wherein, azThe static acceleration of the sensor 12 in the z-axis direction, arctan being the tangent of the inverse trigonometric function;
and 3, judging whether the inclination angle theta is within a preset inclination range, if so, judging that the road surface on which the wheelchair runs is a slope, and sending a signal to the control part, if the inclination angle is smaller than the minimum value of the preset inclination range, judging that the road surface on which the wheelchair runs is not the slope, and if the inclination angle is larger than the maximum value of the preset inclination range, judging that the road surface on which the wheelchair runs is the slope and has a large gradient, and the wheelchair cannot run continuously.
The working principle and the beneficial effects of the technical scheme are as follows: the condition of the road surface is comprehensively detected through the camera device, the road surface flatness detection device and the sensor 12 so as to judge the comprehensive condition of the road surface, and then the wheelchair is adaptively adjusted through the control part, so that the use experience of a user is improved; the slope of whole wheelchair is detected through sensor 12, with this slope situation on the road surface of traveling of judgement wheelchair, and when the inclination that detects is not suitable for when traveling, for example the slope is too big, there is the safety risk, then can lock the wheelchair through control division control brake or self-locking module, prevent danger, the process that makes the wheelchair travel on slope is in controllable within range, guarantee the security of traveling, through monitoring the situation on road surface, make the control to the travel state of wheelchair more intelligent, promote user's the experience of taking.
In one embodiment, the side curtain 3 includes a first shielding plate 310 and a first shutter 320, the first shielding plate 310 and the first shutter 320 are both slidably received in the side plate 510, the first shutter 320 is disposed inside the first shielding plate 310, and the first driving portion can control the movement of the first shielding plate 310 and the first shutter 320 respectively;
the ceiling 4 includes a second shielding plate 410 and a second louver 420, the second shielding plate 410 and the second louver 420 are both slidably received in the top plate 520, the second louver 420 is disposed inside the first shielding plate 310, and the second driving unit can control the movement of the second shielding plate 410 and the second louver 420;
the front end of support frame 5 is equipped with receiver 6, 6 rotations of receiver are equipped with pivot 610, the one end of pivot 610 is equipped with third drive division 620, curtain 640 before the outside of pivot 610 is connected with through coil spring 630, the bottom of receiver 6 is equipped with opening 650, the bottom of preceding curtain 640 is equipped with first magnet, be equipped with on wheelchair main part 1 with the mutual absorbent second magnet of first magnet, preceding curtain 640 can pass opening 650 expandes downwards, and passes through first magnet and second magnet will the bottom of preceding curtain 640 is fixed.
The working principle and the beneficial effects of the technical scheme are as follows: the first shielding plate 310 and the second shielding plate 410 can be transparent glass plates, the first louver plate 320 and the second louver plate 420 each include an outer frame, a plurality of parallel blades are arranged in the outer frame, the plurality of blades are in transmission connection, and similar to a wind sweeping blade of an air conditioner, the first shielding plate 310 and the first louver plate 320 are individually slidably connected in the side plate 510 and are individually controlled to move by the first driving portion, when the first shielding plate 310 is individually opened, wind and rain can be shielded for a user sitting on the seat 2, sunlight can penetrate through the first shielding plate 310, the user can shine the sun outdoors in windy weather, when the first shielding plate 310 is in an opened state and the irradiation of the sunlight needs to be adjusted, the first louver plate 320 can be opened, then the direction of the plurality of blades is rotated to control the incident angle of the sunlight, and the plurality of blades all rotate to be approximately parallel to the first shielding plate 310, when the first shutter 320 is opened alone, the gap distance between the blades can be adjusted simultaneously by rotating the direction of the blades, the angle of sunlight irradiating the seat 2 can be adjusted, and the amount and the wind direction of natural wind blowing to the seat 2 can be adjusted, the working principle of the second shutter 410 and the second shutter 420 is the same as that of the first shutter 310 and the first shutter 320, so that a user can feel comfortable, and the wheelchair can enjoy bathing by sunlight while having the functions of wind shielding and rain shielding; the third driving part 620 is communicatively connected to the control part, and may manually or automatically control the front curtain 640 to be opened or closed, the front curtain 640 is wound around the rotation shaft 610 by the coil spring 630, and when it is required to open the front curtain 640, the front curtain 640 is manually pulled downward, or the control unit controls the third driving unit 620 to rotate the rotating shaft 610, so that the front curtain 640 is opened downwards, when the bottom of front curtain 640 removed to target in place, first magnet and second magnet adsorb each other, be used for fixed front curtain 640, the front end of wheelchair main part 1 and the place ahead that is located seat 2 are equipped with running-board 10, the both sides of running-board 10 are equipped with the foot board 11 of being connected with wheelchair main part 1, the second magnet sets up the top at foot board 11, the user can also automatic control ceiling 4 as required, side curtain 3 and front curtain 640 open alone or close, can keep the independent space of oneself, reduce external disturbance.
In one embodiment, the wheelchair main body 1 is further provided with a multimedia device, the bottom of the wheelchair main body 1 is provided with a wheel 7, the wheel 7 is provided with a self-locking module, and the multimedia device and the self-locking module are both electrically connected with the control part of the wheelchair main body 1;
when the first monitoring module and the second monitoring module both judge that the user is in a sleep state, the control part controls the opened multimedia equipment to be closed or automatically reduces the volume, controls the backrest 210 of the seat 2 to be automatically adjusted to a preset angle, controls the ceiling 4 and the side curtain 3 to be in an opened state and controls the self-locking module to lock the wheels 7.
The working principle and the beneficial effects of the technical scheme are as follows: the multimedia equipment can be equipment with a playing function such as a radio and the like, and can also be a touch tablet computer which integrates multiple entertainment functions such as video call, movie watching, music listening and the like and can be controlled by voice; the self-locking module is arranged on the wheel 7 and can be controlled by the control part to lock the wheel 7, similar to the automatic locking of the shared bicycle in the prior art, the backrest 210 of the seat 2 can be automatically adjusted in angle by the control part, when the first monitoring module and the second monitoring module both judge that the user is in a sleeping state, the control part controls the opened multimedia equipment to be closed or automatically reduces the volume, controls the backrest 210 to be automatically adjusted to a preset angle, namely a comfortable angle convenient for people to sleep, enables the user to be in a comfortable sleeping state, controls the ceiling 4 and the side curtain 3 to be both in an opened state, the wheelchair is in a wind-shading and sun-shading state, a safe and comfortable sleeping environment is provided for the user, and meanwhile, the wheels 7 are locked by the self-locking module, so that the risk of the wheelchair from sliding is prevented.
In one embodiment, the brake system further comprises a damping adjustment module, a sound reminding module and an automatic braking module;
the damping adjustment module is used for controlling the damping adjustment module to adjust the elasticity of a damping device arranged on the wheel 7 of the wheelchair main body 1 through the control part of the wheelchair main body 1 when the road surface detection module monitors that the road surface is not flat;
the sound reminding module is used for controlling the sound reminding module to give out a reminding through the control part when the road surface detection module monitors that the road surface has an obstacle, and controlling the wheelchair main body 1 to start an automatic obstacle avoiding function through the control part if a user does not perform an obstacle avoiding operation within a preset time;
the automatic brake module is used for controlling the automatic brake module to brake and adjust the wheels 7 of the wheelchair main body 1 through the control part when the road surface detection module monitors that the road surface is a slope, so as to control the running speed of the wheelchair.
The working principle and the beneficial effects of the technical scheme are as follows: the damping device is mainly an elastic connecting piece, the vibration transmitted to the wheels 7 from the outside is absorbed through the elastic connecting piece to slow down the vibration of the wheelchair main body 1, the damping adjusting module is used for adjusting the elasticity of the damping device, for example, if the damping device is a single spring, the damping device is elastically adjusted by adjusting the extension length of the spring through the damping adjusting module, so that the damping device can be adaptively adjusted according to the unevenness degree of the road surface detected by the road surface detecting module, the riding comfort is improved, for example, when the road surface is relatively flat, the elasticity of the damping device can be reduced, and when the road surface is relatively uneven, the elasticity of the damping device can be increased; when the road surface detection module detects that an obstacle exists on the road surface, firstly, a voice reminding module is used for sending out a reminder to remind a user of the obstacle avoiding operation, and if the user does not make the obstacle avoiding operation within the preset time, the control part controls the wheelchair to turn and continue to move forwards after the obstacle is bypassed; when the road surface detection module detects that the road surface is a slope, the control part controls the automatic brake module to stop the rotation of the wheel 7, the rotation friction of the wheel 7 is increased, the rotation speed of the wheel 7 is controlled, the running speed of the wheelchair is further controlled, and the use safety of a user is ensured.
In one embodiment, a first stabilizing mechanism 8 is disposed at a connection portion between a cushion of the seat 2 and the wheelchair main body 1, the first stabilizing mechanism 8 includes an upper connecting plate 810, the upper connecting plate 810 is fixedly connected to a bottom surface of the cushion, a lower connecting plate 820 is fixedly connected to a top surface of the wheelchair main body 1, a plurality of first inserting rods 811 are disposed on a bottom surface of the upper connecting plate 810, a plurality of first sleeves 821 are disposed on a top surface of the lower connecting plate 820, the first inserting rods 811 are slidably connected in the first sleeves 821, and a first spring is connected between a bottom surface of the first inserting rods 811 and an inner bottom surface of the first sleeves 821;
a first sliding groove 812 is formed in the bottom surface of the upper connecting plate 810 and between the two first inserting rods 811, one end of an elastic component 830 is arranged in the first sliding groove 812 in a sliding manner, the other end of the elastic component 830 is movably connected with a supporting column 840, and the supporting column 840 is fixedly connected with the lower connecting plate 820;
the elastic component 830 comprises a connecting rod 831, one end of the connecting rod 831 is hinged to the side face of the supporting column 840, the other end of the connecting rod 831 is connected with a first sliding block 833 through two first elastic pieces 832 which are arranged in a crossed mode, the first sliding block 833 is connected into the first sliding groove 812 in a sliding mode, one side, away from the first elastic piece 832, of the first sliding block 833 is provided with a second elastic piece 834, and the other end of the second elastic piece 834 is connected with a fixing block 835 fixed to the end portion of the first sliding groove 812.
The working principle of the technical scheme is as follows: in order to further ensure the driving stability of the wheelchair, a first stabilizing mechanism 8 is arranged at the joint of the seat 2 and the wheelchair main body 1, when the wheelchair bumps through an uneven road surface, if the vibration generated by bumping can not be eliminated by the damping devices on the wheels 7, the vibration can be transmitted to the seat 2, and then a user on the seat 2 can shake due to the influence of bumping, so that the risk of slipping from the seat 2 occurs; the upper connecting plate 810 and the lower connecting plate 820 play a role of main balance support through the first inserting rod 811, the first sleeve 821 and the first spring, when vibration is transmitted to the lower connecting plate 820 connected with the wheelchair main body 1, the supporting column 840 moves upwards to drive the plurality of connecting rods 831 to extrude the first elastic piece 832 outwards, the first elastic piece 832 pushes the first slider 833 outwards, the first slider 833 slides in the first sliding groove 812 and extrudes the second elastic piece 834, the first spring is compressed at the moment, the vibration is absorbed under the action of the first spring, the first elastic piece 832 and the second elastic piece 834, then the vibration effect transmitted to the upper connecting plate 810 is greatly reduced, so that the use safety of the seat 2 is improved, the vibration transmitted from the wheelchair to the seat 2 is reduced, the damping effect of the first stabilizing mechanism 8 is better through the plurality of elastic assemblies 830, the first elastic piece 832 can select an elastic plate, the second elastic element 834 may be an elastic plate disposed in an arc shape, and has an elastic bending capability.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, elastic component 830 and first spring through setting up, play the elastic support effect to seat 2, because the elasticity of first spring is great, the user sits on seat 2, can not produce great fluctuation from top to bottom, and the elasticity of first elastic component 832 and second elastic component 834 is less than first spring, when wheelchair main part 1 produces vibrations, play the effect of main absorption vibrations, make the vibrations effect digest at elastic component 830, reduce vibrations and transmit to seat 2 on, guarantee the stability of wheelchair in the in-process of traveling, prevent to jolt too big and lead to the user to follow seat 2 and go up the landing, further promote the security that the wheelchair used.
In one embodiment, two sides of the rear end of the cushion of the seat 2 are provided with connecting portions 220, a connecting shaft 230 is rotatably arranged between the two connecting portions 220, the connecting shaft 230 is fixedly connected with the backrest 210 of the seat 2 through a fixed support, the connecting shaft 230 is driven to rotate by a fourth driving portion, and the fourth driving portion is electrically connected with the control portion of the wheelchair main body 1;
a rotating groove 221 and a stabilizing groove 222 are sequentially arranged on one side of the connecting portion 220 connected with the connecting shaft 230, extending shafts 231 are arranged at two ends of the connecting shaft 230, the diameter of each extending shaft 231 is smaller than that of the connecting shaft 230, the end portions of the extending shafts 231 are rotatably connected in the rotating groove 221 through bearings, and a second stabilizing mechanism 9 is arranged on the outer side of each extending shaft 231, which is located on the stabilizing groove 222;
the second stabilizing mechanism 9 comprises a first column 910, the first column 910 is fixedly connected to the bottom surface of the stabilizing slot 222, two arc-shaped plates 920 are arranged on the outer side of the first column 910, the arc-shaped plates 920 are arranged in a gap formed between the stabilizing slot 222 and the extending shaft 231, and a buffer assembly 930 is slidably arranged between the two arc-shaped plates 920;
the buffering component 930 comprises a moving frame 931, a second sleeve 932 is arranged on the inner side of one end of the moving frame 931, a second inserting rod 933 is movably inserted in the second sleeve 932, a hinge block 934 is arranged on one end, far away from the second sleeve 933, of the second inserting rod 933, a second spring 935 is arranged between the hinge block 934 and the second sleeve 932, the second spring 935 is sleeved on the outer side of the second inserting rod 933, two first hinge rods 936 are hinged to one end, far away from the second inserting rod 933, of the hinge block 934, the other end of the first hinge rod 936 is hinged to a second sliding block 937, one end, close to the second sleeve 932, of the moving frame 931 is hinged to two second hinge rods 938, the other end of the second hinge rod 938 is hinged to the second sliding block 937, second sliding grooves 921 are respectively arranged on one sides, opposite to the arc plates 920, and the second sliding block 937 is connected in the second sliding grooves 921 in a limiting manner, move in the frame 931 and keep away from one side of second sleeve 932 has cup jointed second cylinder 940, the side of second cylinder 940 with articulated piece 934 butt, second cylinder 940 with connecting axle 230 fixed connection.
The working principle of the technical scheme is as follows: when the backrest 210 of the seat 2 needs to be angularly adjusted, the control part controls the fourth driving part to rotate the connecting shaft 230, so that the backrest 210 can be angularly adjusted towards the rear side, when the control part controls the fourth driving part to work, the backrest 210 which is stationary starts to rotate can suddenly accelerate, although the speed is slow, the backrest 210 can suddenly tilt backwards during the process from the stationary to the beginning of moving, therefore, in order to ensure the smoothness of the angular adjustment of the backrest 210, when the connecting shaft 230 starts to rotate, because the acceleration which just starts to rotate is maximum, the connecting shaft 230 can firstly drive the second column 940 to move towards one side of the hinge block 934, and after the hinge block 934 is pushed, the two first hinge rods 936 are driven to rotate, under the compression of the hinge block 934 and the second sleeve 932, the second spring 935 is compressed, and the second hinge rod 938 also rotates, so that the two second sliders 937 push the two arc plates 920 outwards at the same time, and the second sliders 937 move in the second sliding slots 921 at the same time, the two arc plates 920 are respectively abutted against the inner side wall of the stabilizing slot 222 and the outer side wall of the extension shaft 231, so as to increase the rotation friction force of the extension shaft 231, that is, the connecting shaft 230, thereby slowing down the backward rotation of the backrest 210, and when the connecting shaft 230 starts to rotate, the speed tends to be smooth, under the action of the second spring 935, the first hinge rod 936 and the second hinge rod 938 are retracted inwards, so that the second sliding block 937 is retracted inwards, so that the two arc plates 920 are out of contact with the extension shaft 231 and the inner sidewalls of the stabilizing groove 222, so that the backrest 210 continues to rotate backward smoothly, the arc plate 920 is a plate with certain elasticity, an elastic protrusion may be provided on a surface of the two arc plates 920 contacting the extension shaft 231 and the stabilizing groove 222, to further increase the contact friction.
The beneficial effects of the above technical scheme are that: through the buffer assembly 930 who sets up for when back 210 angle modulation backward, have certain cushioning effect, make the user can not experience sudden weightlessness to the rear side, promote user's use and experience, and at the in-process of back 210 angle modulation backward, as long as produce the condition with higher speed suddenly, buffer assembly 930 all can produce the cushioning effect, prevent that the user from producing the mood of fear, speed when guaranteeing back 210 angle modulation backward remains stable.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. An intelligent wheelchair, comprising: the wheelchair comprises a wheelchair main body (1), a seat (2) is arranged on the wheelchair main body (1), side curtains (3) capable of being automatically stored are arranged on two sides of the seat (2), a ceiling (4) capable of being automatically stored is arranged above the seat (2), a first detection device used for detecting whether a user is in a sleep state or not is arranged on the wheelchair main body (1), and a second detection device used for detecting a road surface condition is further arranged.
2. The intelligent wheelchair as claimed in claim 1, wherein a support frame (5) is arranged on the wheelchair main body (1), a back plate is arranged at the rear side of the support frame (5), side plates (510) are arranged at the left side and the right side of the support frame (5), a top plate (520) is arranged at the top of the support frame (5), a side curtain (3) is slidably accommodated in the side plate (510), a ceiling (4) is slidably accommodated in the top plate (520), the side curtain (3) is in communication connection with a control part arranged on the wheelchair main body (1) through a first driving part, and the ceiling (4) is in communication connection with the control part through a second driving part.
3. The intelligent wheelchair as claimed in claim 2, wherein the wheelchair body (1) is further provided with a voice control module, and the voice control module is used for recognizing and judging voice instructions of a user and controlling the first driving part and the second driving part to work through the control part respectively.
4. The intelligent wheelchair as claimed in claim 1, wherein the first detection device comprises a first monitoring module and a second monitoring module, the first monitoring module is arranged at the front end of the seat (2) and is used for monitoring the eyes of the user and judging whether the user is in a sleeping state; the second monitoring module is arranged on the seat (2) and is attached to the wrist pulse of a user, and the second monitoring module is used for monitoring the heart rate of the user and judging whether the user is in a sleep state.
5. The intelligent wheelchair as claimed in claim 1, wherein the second detection means comprises a road surface detection module provided on the wheelchair body (1) for automatically monitoring road surface conditions during wheelchair travel.
6. The smart wheelchair as claimed in claim 2, wherein the side curtain (3) comprises a first shutter (310) and a first shutter (320), the first shutter (310) and the first shutter (320) are both slidably received in the side plate (510), the first shutter (320) is disposed inside the first shutter (310), and the first shutter (310) and the first shutter (320) are respectively controlled to move by the first driving part;
the ceiling (4) comprises a second shielding plate (410) and a second louver (420), the second shielding plate (410) and the second louver (420) are both accommodated in the top plate (520) in a sliding manner, the second louver (420) is arranged on the inner side of the first shielding plate (310), and the second driving part can respectively control the movement of the second shielding plate (410) and the second louver (420);
the front end of support frame (5) is equipped with receiver (6), receiver (6) internal rotation is equipped with pivot (610), the one end of pivot (610) is equipped with third drive division (620), the outside of pivot (610) is connected with preceding curtain (640) through wind spring (630), the bottom of receiver (6) is equipped with opening (650), the bottom of preceding curtain (640) is equipped with first magnet, be equipped with on wheelchair main part (1) with the second magnet of first magnet mutual adsorption, preceding curtain (640) can pass opening (650) launch downwards, and pass through first magnet and second magnet will the bottom of preceding curtain (640) is fixed.
7. The intelligent wheelchair as claimed in claim 4, wherein the wheelchair main body (1) is further provided with a multimedia device, the bottom of the wheelchair main body (1) is provided with wheels (7), the wheels (7) are provided with self-locking modules, and the multimedia device and the self-locking modules are both electrically connected with the control part of the wheelchair main body (1);
when the first monitoring module and the second monitoring module both judge that the user is in a sleep state, the control part controls the opened multimedia equipment to be closed or automatically reduces the volume, controls the backrest (210) of the seat (2) to be automatically adjusted to a preset angle, controls the ceiling (4) and the side curtain (3) to be in an opened state and controls the self-locking module to lock the wheels (7).
8. The intelligent wheelchair of claim 5 further comprising a shock absorption adjustment module, a sound alert module, and an automatic braking module;
the damping adjusting module is used for controlling the damping adjusting module to adjust the elasticity of a damping device arranged on a wheel (7) of the wheelchair main body (1) through the control part of the wheelchair main body (1) when the road surface detecting module monitors that the road surface is not flat;
the sound reminding module is used for controlling the sound reminding module to give out a reminding through the control part when the road surface detection module monitors that the road surface has an obstacle, and controlling the wheelchair main body (1) to start an automatic obstacle avoiding function through the control part if a user does not perform an obstacle avoiding operation within a preset time;
the automatic brake module is used for controlling the automatic brake module to brake and adjust wheels (7) of the wheelchair main body (1) and control the driving speed of the wheelchair when the road surface detection module monitors that the road surface is a slope.
9. The intelligent wheelchair as claimed in claim 1, wherein a first stabilizing mechanism (8) is arranged at the joint of the seat cushion of the seat (2) and the wheelchair main body (1), the first stabilizing mechanism (8) comprises an upper connecting plate (810), the upper connecting plate (810) is fixedly connected with the bottom surface of the seat cushion, a lower connecting plate (820) is fixedly connected with the top surface of the wheelchair main body (1), a plurality of first inserting rods (811) are arranged on the bottom surface of the upper connecting plate (810), a plurality of first sleeves (821) are arranged on the top surface of the lower connecting plate (820), the first inserting rods (811) are slidably connected in the first sleeves (821), and a first spring is connected between the bottom surface of the first inserting rods (811) and the inner bottom surface of the first sleeves (821);
a first sliding groove (812) is formed in the bottom surface of the upper connecting plate (810) and located between the two first inserting rods (811), one end of an elastic component (830) is arranged in the first sliding groove (812) in a sliding mode, the other end of the elastic component (830) is movably connected with a supporting column (840), and the supporting column (840) is fixedly connected with the lower connecting plate (820);
elastic component (830) include connecting rod (831), the one end of connecting rod (831) with the side of support column (840) is articulated, the other end of connecting rod (831) is connected with first slider (833) through two first elastic component (832) of crossing arrangement, first slider (833) sliding connection be in first spout (812), first slider (833) are kept away from one side of first elastic component (832) is equipped with second elastic component (834), the other end of second elastic component (834) with fix fixed block (835) at the tip of first spout (812) are connected.
10. The intelligent wheelchair as claimed in claim 1, wherein connecting portions (220) are arranged on two sides of the rear end of the cushion of the seat (2), a connecting shaft (230) is rotatably arranged between the two connecting portions (220), the connecting shaft (230) is fixedly connected with the backrest (210) of the seat (2) through a fixed support, the connecting shaft (230) is driven to rotate through a fourth driving portion, and the fourth driving portion is electrically connected with the control portion of the wheelchair main body (1);
a rotating groove (221) and a stabilizing groove (222) are sequentially formed in one side, connected with the connecting shaft (230), of the connecting portion (220), extension shafts (231) are arranged at two ends of the connecting shaft (230), the diameter of each extension shaft (231) is smaller than that of the connecting shaft (230), the end portions of the extension shafts (231) are rotatably connected into the rotating groove (221) through bearings, and a second stabilizing mechanism (9) is arranged on the outer side, located on the stabilizing groove (222), of each extension shaft (231);
the second stabilizing mechanism (9) comprises a first cylinder (910), the first cylinder (910) is fixedly connected to the bottom surface of the stabilizing groove (222), two arc-shaped plates (920) are arranged on the outer side of the first cylinder (910), the arc-shaped plates (920) are arranged in a gap formed by the stabilizing groove (222) and the extending shaft (231), and a buffer component (930) is arranged between the two arc-shaped plates (920) in a sliding manner;
the buffer assembly (930) comprises a movable frame (931), a second sleeve (932) is arranged on the inner side of one end of the movable frame (931), a second inserting rod (933) is movably inserted in the second sleeve (932), one end, away from the second sleeve (932), of the second inserting rod (933) is provided with a hinge block (934), the hinge block (934) and the second sleeve (932) are provided with a second spring (935), the second spring (935) is sleeved outside the second inserting rod (933), one end, away from the second inserting rod (933), of the hinge block (934) is hinged to two first hinge rods (936), the other end of each first hinge rod (936) is hinged to a second sliding block (937), one end, close to the second sleeve (932), of the movable frame (931) is hinged to two second hinge rods (938), the other end of each second hinge rod (938) is hinged to the second sliding block (937), two one side that arc (920) are relative is equipped with second spout (921) respectively, the spacing sliding connection of second slider (937) is in second spout (921), keep away from in the removal frame (931) second cylinder (940) has been cup jointed to one side of second sleeve (932), the side of second cylinder (940) with articulated piece (934) butt, second cylinder (940) with connecting axle (230) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567784.2A CN114246739A (en) | 2021-12-21 | 2021-12-21 | Intelligent wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567784.2A CN114246739A (en) | 2021-12-21 | 2021-12-21 | Intelligent wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114246739A true CN114246739A (en) | 2022-03-29 |
Family
ID=80793425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111567784.2A Withdrawn CN114246739A (en) | 2021-12-21 | 2021-12-21 | Intelligent wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114246739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116585109A (en) * | 2023-04-27 | 2023-08-15 | 之江实验室科技控股有限公司 | Lying intelligent wheelchair |
-
2021
- 2021-12-21 CN CN202111567784.2A patent/CN114246739A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116585109A (en) * | 2023-04-27 | 2023-08-15 | 之江实验室科技控股有限公司 | Lying intelligent wheelchair |
| CN116585109B (en) * | 2023-04-27 | 2023-11-03 | 之江实验室科技控股有限公司 | Lying intelligent wheelchair |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2636912C1 (en) | Mobile robotized modified bed | |
| CN102688124B (en) | Linked-control electric reclining wheelchair | |
| CN114246739A (en) | Intelligent wheelchair | |
| EP3072489A1 (en) | Multifunctional transport and rehabilitation robot | |
| CN112043515A (en) | Gravity self-balancing wheelchair | |
| CN108478344B (en) | Multifunctional wheelchair | |
| CN209254070U (en) | A kind of new indoor ski machine | |
| CN212724396U (en) | Virtual reality experiences device | |
| CN203029503U (en) | Electric multipurpose wheelchair used for sitting and lying and climbing stairs | |
| Jouppi et al. | Telepresence systems with automatic preservation of user head height, local rotation, and remote translation | |
| CN213346394U (en) | Wheelchair with shock-absorbing function | |
| CN112932815B (en) | Nursing wheelchair | |
| CN108904164A (en) | A kind of seat support structure of electric wheelchair | |
| CN210131068U (en) | Double-rail type vertigo treatment swivel chair | |
| CN108852664B (en) | Armrest structure of electric wheelchair | |
| CN108852662B (en) | Chassis structure of electric wheelchair | |
| CN209808321U (en) | Adjustable armrest for vertigo diagnosis and treatment safety seat | |
| CN209808319U (en) | Head lifting mechanism for vertigo diagnosis and treatment safety seat | |
| CN108852659B (en) | Table plate structure of wheelchair | |
| CN207875746U (en) | A kind of swing baby carriage structure | |
| CN208233248U (en) | The electric four-wheel vehicle of wheel independent suspension | |
| CN210185563U (en) | A safe seat for dizzy system of diagnosing | |
| CN209807730U (en) | Self-rotating wheel set of double-rail type vertigo treatment swivel chair | |
| CN209808918U (en) | Turnover wheel set of double-rail type vertigo treatment swivel chair | |
| CN202554290U (en) | Lever type linkage control flat electric powered wheelchair |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220329 |