A state recognition device for a single support structure of a two-wheeled vehicle

Abstract

The utility model discloses a kind of state identification devices of two-wheeled vehicle single support structure, including shell, gyre ring and single support, gyre ring is rotationally cooperated on shell, single support upper end fixed gyre ring, the local permanent magnet of gyre ring deviating from axis;Magnetic field sensor is installed in shell;Single support includes vertical support state and transverse folding state, when single support is in transverse folding state, the permanent magnet on gyre ring and the magnetic field sensor on shell just correspond to each other;When single support is in vertical support state, the permanent magnet on gyre ring and the magnetic field sensor on shell are staggered with each other;Two-wheeled vehicle single support state can be realized identification.

Description

Technical Field

[0001] This utility model belongs to the field of two-wheeled vehicles. Background Technology

[0002] Currently, two-wheeled vehicles, especially electric bicycles and motorcycles, are generally equipped with a side stand for supporting the vehicle when parked. Before starting a traditional vehicle, the driver needs to manually check whether the side stand has been retracted. If the driver is negligent and starts the vehicle with the side stand still, it can easily lead to obstructed steering, loss of balance, and serious accidents. Therefore, there is a need for a status recognition device that is simple in structure, highly reliable, durable, and easy to install. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the shortcomings of the existing technology, this utility model provides a state recognition device for a two-wheeled vehicle with a single support structure, which can identify the state of the two-wheeled vehicle with a single support.

[0004] Technical solution: To achieve the above objectives, this utility model provides a status recognition device for a two-wheeled vehicle with a single support structure, comprising a housing, a rotating ring, and a single support. The rotating ring is rotatably fitted within the housing, and the rotating ring is fixed at the upper end of the single support. A permanent magnet is located in a portion of the rotating ring that is off-center from the axis. A magnetic field sensor is installed inside the housing. The single support includes a vertical support state and a horizontal folded state. When the single support is in the horizontal folded state, the permanent magnet on the rotating ring corresponds exactly to the magnetic field sensor on the shell. When the single support is in the vertical support state, the permanent magnet on the rotating ring and the magnetic field sensor on the shell are offset from each other.

[0005] Furthermore, the rotating ring has several permanent magnet mounting holes arranged circumferentially on the side near the housing, and the permanent magnets are fixed in any of the permanent magnet mounting holes.

[0006] Furthermore, a sensor mounting slot is provided on the side of the housing near the rotating ring, and the magnetic field sensor is fixedly installed in the sensor mounting slot; when the single support is in the lateral folded state, the sensor mounting slot is aligned with the permanent magnet mounting hole on which the permanent magnet is installed.

[0007] Furthermore, the housing has a sleeve hole at its axis, and a rotating cylinder is coaxially mounted on the rotating ring. The end of the rotating cylinder has a limiting outer edge, and the rotating cylinder is coaxially mounted in the sleeve hole.

[0008] Furthermore, the rotating cylinder is provided with several dividing grooves extending along the axial direction in a circular array, and the dividing grooves divide the rotating cylinder into several petals; the outer ring of the limiting outer edge is provided with a conical chamfer.

[0009] Furthermore, the upper end of the single support is integrally provided with a fixing ear, which is provided with a bolt through hole and a positioning hole. The fixing ear is locked between two limiting protrusions on the housing, and the positioning pin on the housing is inserted into the positioning hole. It also includes a locking bolt and a nut. The stud of the locking bolt passes through the bolt through hole and the rotating cylinder in sequence, and the nut is locked and pressed against the end of the rotating cylinder.

[0010] Beneficial Effects: This invention transforms the rotational motion of a single support into a relative positional change between a permanent magnet and a fixed magnetic field sensor, utilizing a non-contact magnetic induction principle to achieve state recognition. The entire device is compact, has few parts, is easy to assemble, and is highly durable. Furthermore, the adjustable permanent magnet mounting hole design provides excellent versatility and installation tolerance. The provided status signal is stable and reliable, effectively integrating into the two-wheeled vehicle's electronic control system. This provides crucial technical support for achieving a safe starting interlock function and significantly reduces the risk of safety accidents caused by forgetting to retract the side support. Attached Figure Description

[0011] Figure 1 This is a first-view perspective diagram of the disassembled parts of this utility model; Figure 2 This is a second-view diagram of the disassembly of this utility model. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] As attached Figures 1 to 2 The device shown is a status recognition device for a two-wheeled vehicle with a single support structure, comprising a housing 2, a rotating ring 5, and a single support 100. The housing 2 is preferably made of aluminum alloy. The housing 2 is fixed to the vehicle frame. The rotating ring 5 is rotatably fitted inside the housing 2. The rotating ring 5 is fixedly connected to the upper end of the single support 100. A permanent magnet is provided at a local position off-center from the axis of the rotating ring 5. The permanent magnet is preferably a radially magnetized neodymium iron boron strong magnet, and its surface magnetic field strength can be selected according to the detection distance requirements, for example, between 200mT and 500mT, to ensure clear and reliable signal. A magnetic field sensor is installed inside the housing 2. The magnetic field sensor is preferably an omnipolar or latching Hall effect sensor, with an operating voltage range typically from 3.3V to 5V, and an output digital switch signal. This sensor is electrically connected to the vehicle's electronic control unit or motor controller.

[0014] The single support 100 includes a vertical support state and a horizontal folded state. When the single support 100 is in the horizontal folded state, the permanent magnet on the rotating ring 5 corresponds exactly to the magnetic field sensor on the housing 2. When the single support 100 is in the vertical support state, the permanent magnet on the rotating ring 5 and the magnetic field sensor on the housing 2 are offset from each other.

[0015] The rotating ring 5 has several permanent magnet mounting holes 4 arranged circumferentially on one side near the housing 2. For example, 3 to 6 mounting holes can be provided, with their diameters interfering with the outer diameter of the selected permanent magnet. The permanent magnet is fixed in any of the permanent magnet mounting holes 4. This design allows for flexible selection of one mounting hole to install the permanent magnet based on the actual angle when the single support 100 is folded into place, greatly improving the adaptability of the device to different vehicle models or installation positions and simplifying the installation and debugging process.

[0016] A sensor mounting slot 16 is provided on the side of the housing 2 near the rotating ring 5, and the magnetic field sensor is fixedly installed in the sensor mounting slot 16. The size of the sensor mounting slot 16 matches the magnetic field sensor package and can be sealed by potting or other methods to achieve dustproof and waterproof, and improve reliability in harsh environments.

[0017] When the single support 100 is in a laterally folded state, the sensor mounting slot 16 is aligned with the permanent magnet mounting hole 4 where the permanent magnet is mounted. At this time, the magnetic field generated by the permanent magnet is sensed by the closely aligned magnetic field sensor, and the sensor output state changes abruptly.

[0018] The housing 2 has a sleeve hole 3 on its axis, and a rotating cylinder 12 is coaxially arranged on the rotating ring 5. The rotating cylinder 12 is made of aluminum alloy or high-strength engineering plastic and has a certain deformation toughness. The end of the rotating cylinder 12 has a limited outer edge 14, and the rotating cylinder 12 is coaxially rotated and sleeved in the sleeve hole 3.

[0019] The rotating cylinder 12 is provided with a plurality of dividing grooves 13 extending along the axial direction in a circumferential array. Typically, there are four dividing grooves 13, which evenly divide the rotating cylinder 12 into four elastic segments. The outer ring of the limiting outer edge 14 has a conical chamfer. During assembly, as one segment of the limiting outer edge 14 is coaxially inserted into the sleeve hole 3, the rotating cylinder 12, composed of several segments, elastically deforms and contracts inward under the guidance of the conical chamfer on the limiting outer edge 14, allowing the rotating cylinder 12 to smoothly fit into the sleeve hole 3. Once the limiting outer edge 14 has completely passed through the sleeve hole 3, the segments elastically recover, and the limiting outer edge 14 axially limits the rotating ring 5, preventing it from falling off the housing 2 while ensuring smooth rotation of the rotating ring 5. This snap-fit ​​elastic assembly structure eliminates the need for additional axial fixing components, simplifies the assembly process, and reduces costs.

[0020] The upper end of the single support 100 is integrally provided with a fixing lug 10, which has a bolt through hole 6 and a positioning hole 18. The fixing lug 10 is engaged between two limiting protrusions 19 on the housing 2, and the positioning pin 17 on the housing 2 is inserted into the positioning hole 18. It also includes a locking bolt 7 and a nut 1. The stud of the locking bolt 7 passes through the bolt through hole 6 and the rotating cylinder 12 in sequence, and the nut 1 is locked and pressed against the end of the rotating cylinder 12. Finally, the single support 100, the rotating ring 5 and the housing 2 are fastened together by the locking bolt 7 and the nut 1. The locking force of the nut 1 causes the petals of the rotating cylinder 12 to expand slightly, further increasing the friction with the inner wall of the sleeve hole 3, so that the single support 100 can be stably maintained at the required angle under the action of no external force, while the rotation damping is moderate, which is convenient for user operation.

[0021] Working principle: The core working principle of this device is a magnetic triggering mechanism based on position sensing. When the user needs to use the bicycle, as the single stand 100 rotates from a vertical support state to a horizontally folded state with the rotating ring 5, the magnetic field sensor in the sensor mounting slot 16 and the permanent magnet mounting hole 4, which houses the permanent magnet, change from being offset to being aligned. This allows the magnetic field sensor to sense a specific intensity of magnetic field, enabling the controller to determine whether the electric bicycle's single stand 100 is in a horizontally folded or open state based on the state of the magnetic field sensor. More specifically, when the single stand 100 is in a fully folded horizontal state, the permanent magnet is directly facing the magnetic field sensor, and the sensor outputs a valid signal; when the single stand 100 is in a vertical support state or any intermediate state during the folding process, the permanent magnet moves away from the sensor, and the sensor outputs an invalid signal, such as a high level. The controller collects this signal in real time for judgment.

[0022] As a better implementation, the controller can make a combined judgment based on the vehicle speed signal. For example, the power limit is only fully released after the single support 100 "folded" signal is detected and the vehicle speed is greater than zero, indicating that the vehicle has started to move. This can prevent accidental power supply when the vehicle is stationary due to sensor mis-triggers or magnetic interference.

[0023] When the controller determines that the single support 100 is in a horizontal folded state, if the user applies the throttle, the electric bicycle's motor will immediately provide power, allowing the electric bicycle to start smoothly. If the controller determines that the kickstand 100 is not in the retracted state, the electric bicycle's motor will not provide power even if the user applies the throttle, effectively preventing the electric bicycle from starting when the kickstand 100 is not in the retracted state, thereby improving safety. In addition, the controller can also remind the driver through audible and visual alarms such as a buzzer and dashboard indicator lights when it determines that the kickstand 100 is in the retracted state, further enhancing the safety warning effect.

[0024] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A status recognition device for a two-wheeled vehicle with a single-stance structure, characterized in that: The device includes a housing (2), a rotating ring (5), and a single support (100). The housing (2) has a sleeve hole (3), and the rotating ring (5) has a rotating cylinder (12). The rotating cylinder (12) rotates and is fitted in the sleeve hole (3). The end of the rotating cylinder (12) has a limiting outer edge (14). Several dividing grooves (13) divide the rotating cylinder (12) into several petals. The upper end of the single support (100) is connected to the rotating ring (5). The rotating ring (5) has permanent magnets in the off-center parts. A magnetic field sensor is installed inside the housing (2). When the single support (100) is in the horizontal folded state, the permanent magnet on the rotating ring (5) corresponds exactly to the magnetic field sensor on the shell (2); when the single support (100) is in the vertical support state, the permanent magnet on the rotating ring (5) and the magnetic field sensor on the shell (2) are offset from each other.

2. The status recognition device for a two-wheeled vehicle with a single-stance structure according to claim 1, characterized in that: The rotating ring (5) has several permanent magnet mounting holes (4) arranged circumferentially on the side near the shell (2), and the permanent magnet is fixed in any of the permanent magnet mounting holes (4).

3. The status recognition device for a two-wheeled vehicle with a single-stance structure according to claim 2, characterized in that: A sensor mounting groove (16) is provided on the side of the housing (2) near the rotating ring (5), and the magnetic field sensor is fixedly installed in the sensor mounting groove (16); when the single support (100) is in the lateral folded state, the sensor mounting groove (16) is aligned with the permanent magnet mounting hole (4) on which the permanent magnet is installed.

4. The status recognition device for a two-wheeled vehicle with a single-stance structure according to claim 1, characterized in that: The outer edge of the limiting outer edge (14) is provided with a conical chamfer.

5. The status recognition device for a two-wheeled vehicle with a single-stance structure according to claim 4, characterized in that: The upper end of the single support (100) is integrally provided with a fixing ear (10), and the fixing ear (10) is provided with a bolt through hole (6) and a positioning hole (18). The fixing ear (10) is locked between two limiting protrusions (19) on the housing (2), and the positioning pin (17) on the housing (2) is inserted into the positioning hole (18).

6. The status recognition device for a two-wheeled vehicle with a single-stance structure according to claim 5, characterized in that: It also includes a locking bolt (7) and a nut (1), wherein the stud of the locking bolt (7) passes through the bolt through hole (6) and the rotating cylinder (12) in sequence, and the nut (1) is locked and pressed against the end of the rotating cylinder (12).

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