Electric wheelchair travel device

By integrating ultrasonic transmitters and vision devices into electric wheelchairs, the safety issues caused by slow operator reaction are resolved, enabling real-time road information detection and automatic early warning, thus improving the safety of electric wheelchairs.

CN223668204UActive Publication Date: 2025-12-16HANGZHOU WANXIANG POLYTECHNIC
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Patent Information

Application Number
CN202422656323.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-12-16
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Existing electric wheelchairs are prone to accidents when the operator reacts slowly or fails to observe road conditions in time, resulting in insufficient safety.

Method used

An ultrasonic transmitter and vision device are integrated into the wheelchair. Powered by a solar panel, it can operate for extended periods. The device's position can be adjusted according to the rider's height to prevent obstruction of vision. The ultrasonic and vision devices can detect road information in real time, provide automatic warnings, and assist in controlling the wheelchair's movement.

Benefits of technology

It improves the safety of electric wheelchairs by using ultrasonic and vision devices to detect road information in real time, prevent potential dangers, and reduce the accident rate.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223668204U_ABST
    Figure CN223668204U_ABST
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Abstract

The utility model discloses an electric wheelchair travel device which comprises a wheelchair body and a visual device. A driving mechanism is arranged at the lower part of the wheelchair body; a mounting rod is fixedly connected to the rear portion of the wheelchair body, a moving rod is slidably connected to the mounting rod, an equipment shell is fixedly connected to the side portion of the upper end of the moving rod, and an ultrasonic transmitter and a first solar panel are arranged at the front end of the equipment shell; a first storage battery and a second control panel are arranged in the equipment shell, and the second control panel is connected with the first storage battery, the ultrasonic transmitter and the first solar panel through circuits; and the visual equipment is mounted at the top end of the moving rod. According to the electric wheelchair, integrated installation of the ultrasonic transmitter and the visual device is achieved on the wheelchair, and the safety of a passenger taking the electric wheelchair can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an electric wheelchair travel device belongs to electric wheelchair technical field. BACKGROUND

[0002] The electric wheelchair is transformed and upgraded on the basis of the traditional manual wheelchair by superimposing high-performance power driving devices, intelligent control devices, batteries and other components. The electric wheelchair has an artificial intelligent controller, which can drive the wheelchair to complete forward movement, backward movement, turning, standing, lying and other functions. It is a new generation of intelligent wheelchair, which is a high-tech product combining modern precision machinery, intelligent numerical control and engineering mechanics. For example, the Chinese utility model patent with the authorization announcement number CN217040533U discloses a foldable portable electric wheelchair care auxiliary device and an electric wheelchair, and specifically discloses a tray module, a folding support and a connecting module. The tray module includes a tray assembly and a moving wheel assembly. The moving wheel assembly is arranged on the back of the tray assembly and is used for moving the tray assembly. The folding support is connected with the tray module and is used for folding and unfolding the tray module on the electric wheelchair. The connecting module is fixedly connected with the folding support and the electric wheelchair. The wheelchair is mainly operated by an old person (disabled person) sitting on the wheelchair. However, when the operator reacts slowly or does not observe the road information, accidents are likely to occur. SUMMARY

[0003] The utility model discloses a kind of electric wheelchair travel devices, and the utility model realizes the integrated installation of ultrasonic transmitter and visual equipment on wheelchair, can improve the security of passenger riding electric wheelchair.

[0004] The utility model discloses a kind of electric wheelchair travel devices, and the utility model realizes the integrated installation of ultrasonic transmitter and visual equipment on wheelchair, can improve the security of passenger riding electric wheelchair.

[0005] The above-mentioned electric wheelchair travel device is provided with a seat cushion on the wheelchair body, and a heating coil is arranged in the seat cushion.

[0006] The aforementioned electric wheelchair travel device is provided with a connecting rod on the side of the wheelchair body, and a wheelchair controller is fixedly connected to the end of the connecting rod.

[0007] The electric wheelchair travel device, the drive mechanism includes the second battery and the worm gear reducer arranged at both sides of the wheelchair, the input end of the worm gear reducer is connected with the motor, the motor is connected with the second battery through the circuit, and the output end of the worm gear reducer is connected with the large travel wheel of the wheelchair.

[0008] The electric wheelchair travel device, the front end of the wheelchair body is respectively provided with the mounting connecting rod, the tail end of the mounting connecting rod is provided with the foot plate, the side of the mounting connecting rod is provided with the leg plate, and the rear end of the wheelchair body is respectively provided with the auxiliary wheel.

[0009] The electric wheelchair travel device, the both sides of the wheelchair body are respectively provided with a plurality of mounting sleeves, the supporting rods are connected in the mounting sleeves, the sunshading board is connected between the supporting rods, the upper end of the sunshading board is provided with the second solar panel, and the second solar panel is connected with the second battery through the circuit.

[0010] The electric wheelchair travel device, the equipment shell is provided with the buzzer.

[0011] The electric wheelchair travel device, the upper end of the mounting rod is provided with the first through hole, and the plurality of second through holes are linearly distributed on the moving rod.

[0012] Compared with the prior art, the electric wheelchair travel device has the following beneficial effects:

[0013] 1、The ultrasonic wave emitter and the first solar panel are integrated on the equipment shell, the first solar panel is used for supplementing the first battery, then the first battery is used for supplying power for the ultrasonic wave emitter and the visual equipment, so that the ultrasonic wave emitter and the visual equipment can operate for a long time.

[0014] 2、The supporting rods are inserted into the mounting sleeves to realize the installation of the sunshading board, sunlight can be prevented from scorching the operator, and the second solar panel is used for generating power to supplement the second battery, thereby prolonging the endurance. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a rear structure schematic diagram of the utility model;

[0017] Figure 3is a structural schematic view of the equipment shell;

[0018] Figure 4 is a structural schematic view of the equipment shell.

[0019] The signs in the drawings are: 1-wheelchair body, 4-driving mechanism, 5-equipment box, 6-first control panel, 7-mounting rod, 8-moving rod, 9-equipment shell, 10-ultrasonic wave emitter, 11-first solar panel, 12-first storage battery, 13-second control panel, 14-visual equipment, 15-cushion, 16-heating coil, 17-connecting rod, 18-wheelchair controller, 19-second storage battery, 20-worm and gear reducer, 21-motor, 22-mounting connecting rod, 23-foot pedal, 24-leg support plate, 25-assistant wheel, 26-mounting sleeve, 27-supporting rod, 28-sunshade, 29-second solar panel, 30-buzzer, 31-first through hole, 32-second through hole. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings and examples, but not as the basis for limiting the utility model.

[0021] Embodiment: a kind of electric wheelchair travel device, constitutes as shown in Figures 1-4 It includes wheelchair body 1 and visual equipment 14;The lower part of the wheelchair body 1 is equipped with driving mechanism 4;The wheelchair body 1 adopts lightweight aluminum alloy light material, and is laser welded into hinge structure;The rear side of the wheelchair body 1 is equipped with equipment box 5, and first control panel 6 is arranged in equipment box 5, and first control panel 6 has Bluetooth function;As shown in Figure 2 The rear part of the wheelchair body 1 is fixedly connected with mounting rod 7, and moving rod 8 is slidably connected on mounting rod 7, and the upper end side of moving rod 8 is fixedly connected with equipment shell 9, as shown in Figure 3 The front end of equipment shell 9 is equipped with ultrasonic wave emitter 10 and first solar panel 11;The ultrasonic wave emitter 10 adopts solar energy supplementing ultrasonic wave radar;The front end of equipment shell 9 is equipped with buzzer 30, and when the road surface appears situation, the operator is reminded by the sound emitted by buzzer 30. Figure 4As shown, the device shell 9 is provided with a first battery 12 and a second control panel 13, and the second control panel 13 is connected with the first battery 12, the ultrasonic transmitter 10 and the first solar panel 11 through a circuit respectively; the second control panel 13 has a Bluetooth function, a positioning function and a network transmission function, and can feed back the positioning of the wheelchair body 1 through a network connection 5G / 4G cloud platform APP, can automatically alarm and provide corresponding positioning when an accident occurs, and has an electronic fence effect, so that the passenger cannot approach the dangerous area; the device shell 9 is also integrated with a tipping sensor and a mobile communication device, which can sense whether the wheelchair body 1 is tipped over through the tipping sensor, and can make an emergency call through the communication device if tipping occurs, and can automatically dock the phone to realize voice communication; the visual device 14 is installed at the top end of the movable rod 8. The visual device 14 adopts a smart camera with 2.4G / 5G WIFI and 2.4G / 5G visual identification. The wheelchair body 1 is provided with a seat cushion 15, and the seat cushion 15 adopts a semiconductor temperature control seat cushion. The seat cushion 15 is provided with a heating coil 16. When the weather is cold, the seat cushion is heated by the heating coil 16, so that the operator can sit more comfortably. Figure 1 As shown, the wheelchair body 1 is provided with a connecting rod 17, and the connecting rod 17 is fixedly connected with a wheelchair controller 18 at the end. The traveling direction of the electric wheelchair is controlled through the wheelchair controller 18. The front end of the wheelchair body 1 is provided with a mounting connecting rod 22 on both sides, and the mounting connecting rod 22 is provided with a foot pedal 23 at the end. The side of the mounting connecting rod 22 is provided with a leg plate 24. The rear end of the wheelchair body 1 is provided with an auxiliary wheel 25 on both sides. The first control panel 6 and the second control panel 13 are both PCBA boards, which are integrated with processors and electronic devices such as capacitors and resistors. The processor can adopt an MCU processor. Since the first control panel 6 and the second control panel 13 are conventional components in the field, and can be obtained from the market, the specific structure and circuit connection of the circuit board will not be repeated here. The forward rotation and reverse rotation of the large traveling wheel are controlled through the driving mechanism 4, so as to control the movement of the wheelchair body 1. When the ultrasonic transmitter 10 detects obstacles on the road and the visual device 14 detects pedestrians, etc., but the operator does not slow down, the second control panel 13 sends information to the first control panel 6 through Bluetooth. After receiving the information, the first control panel 6 controls the output power of the driving mechanism 4 or reverses the driving mechanism 4 to reduce the speed or reverse the wheelchair body 1, so as to prevent collision. The road information collected by the visual device 14 will be sent to the cloud control platform through the Internet of Things by the first control panel 6, and the cloud control platform will assist in control, further enhancing safety. Thus, the utility model realizes the effect of assisting the operator to observe the road information, reduces the accident, has the advantages of high accuracy and rapid effect.

[0022] Preferably, as Figure 1 and 2As shown, the driving mechanism 4 includes a second battery 19 and a worm gear reducer 20 arranged on both sides of the wheelchair; the input end of the worm gear reducer 20 is connected with a motor 21, and the motor 21 is connected with the second battery 19 through a line; the output end of the worm gear reducer 20 is connected with the large travel wheel 2. The second battery 19 adopts a 24V direct current lithium battery with a specification of 1200x600cm. The driving mechanism supplies power to the motor 21 through the second battery 19, the motor 21 drives the worm gear reducer 20 to operate, and the worm gear reducer 20 drives the large travel wheel 2 to rotate, thereby realizing the movement of the wheelchair body 1.

[0023] Preferably, as Figure 2 As shown, a plurality of mounting sleeves 26 are arranged on both sides of the wheelchair body 1, the mounting sleeves 26 are connected with support rods 27, the support rods 27 are connected with sunshields 28, the upper ends of the sunshields 28 are provided with second solar panels 29, and the second solar panels 29 are connected with the second battery 19 through a line. The second solar panels 29 adopt 24V semi-flexible solar panels. By inserting the support rods 27 into the mounting sleeves 26, the sunshields 28 are installed, which can prevent the operator from being sunburned on one hand, and can generate electricity through the large-area second solar panels 29 to supplement the second battery 19 and prolong the endurance.

[0024] Preferably, as Figure 2 As shown, the mounting rod 7 is provided with a first through hole 31 at the upper end, and the moving rod 8 is linearly provided with a plurality of second through holes 32. The moving rod 8 is slid to a suitable height so that the equipment shell 9 and the visual equipment are not blocked by the operator, then the corresponding second through hole 32 is aligned with the first through hole 31 and is inserted into a bolt to be fixed.

[0025] Working principle:

[0026] After the occupant sits on the wheelchair body 1, the height of the moving rod 8 is adjusted by an assistant to make the ultrasonic wave emitter and the visual equipment 14 not be blocked by the occupant. In the process of moving the wheelchair body 1, the occupant observes the road surface information with the aid of the ultrasonic wave emitter 10 and the visual equipment 14, discovers hidden dangers in time, and gives a warning to the occupant through the buzzer 30. When necessary, the driving mechanism 4 is intervened to stop or reverse the movement, thereby avoiding the danger.

Claims

1. An electrically powered wheelchair travel device, comprising a wheelchair body (1) and a visual device (14); the lower part of the wheelchair body (1) is provided with a driving mechanism (4); characterized in that: The wheelchair body (1) rear fixedly connected with mounting rod (7), mounting rod (7) on the sliding connection has a moving rod (8), the upper end side of the moving rod (8) is fixedly connected with the equipment shell (9), the front end of the equipment shell (9) is provided with ultrasonic emitter (10) and first solar panel (11); The first battery (12) and the second control panel (13) are arranged in the equipment shell (9), the second control panel (13) is connected with the first battery (12), ultrasonic emitter (10) and first solar panel (11) through the circuit respectively; The visual equipment (14) is installed on the top end of the moving rod (8).

2. The electrically powered wheelchair travel device of claim 1, wherein: The wheelchair body (1) is provided with a seat cushion (15), and the seat cushion (15) is provided with a heating coil (16).

3. The electrically powered wheelchair travel device of claim 1, wherein: The wheelchair body (1) is provided with a connecting rod (17), and the connecting rod (17) is fixedly connected with a wheelchair controller (18).

4. The power wheelchair travel device of claim 1, wherein: The driving mechanism (4) includes a second battery (19) and a worm gear reducer (20) arranged on both sides of the wheelchair; The input end of the worm gear reducer (20) is connected with a motor (21), and the motor (21) is connected with the second battery (19) through the circuit; The output end of the worm gear reducer (20) is connected with the large travel wheel of the wheelchair.

5. The power wheelchair travel device of claim 1, wherein: The front end of the wheelchair body (1) is provided with a mounting link (22) on both sides, and the end of the mounting link (22) is provided with a foot pedal (23); The side of the mounting link (22) is provided with a leg plate (24); The rear end of the wheelchair body (1) is provided with an auxiliary wheel (25) on both sides.

6. The electrically powered wheelchair travel device of claim 4, wherein: The both sides of the wheelchair body (1) are respectively provided with a plurality of mounting sleeves (26), the mounting sleeves (26) are connected with support rods (27), the support rods (27) are connected with sunshields (28), the upper end of the sunshields (28) is provided with a second solar panel (29), and the second solar panel (29) is connected with the second battery (19) through the circuit.

7. The power wheelchair apparatus of claim 1, wherein: The equipment shell (9) is provided with a buzzer (30).

8. The electrically powered wheelchair travel device of claim 1, wherein: The upper end of the mounting rod (7) is provided with a first through hole (31); The moving rod (8) is linearly provided with a plurality of second through holes (32).

Citation Information

Patent Citations

  • Foldable and portable electric wheelchair nursing assist device and electric wheelchair

    CN217040533U