Steering lamp switch structure

Abstract

The utility model relates to the technical field of steering lamp switches, in particular to a steering lamp switch structure which comprises a magnet, a PCBA board and a control unit, the magnet is detachably installed on a handle through a magnet fixing frame and can rotate along with the handle, and the PCBA board is detachably installed on a supporting rod through a PCBA board fixing frame and can rotate along with the handle. The PCBA board is provided with a linear Hall sensor, and the linear Hall sensor is always opposite to the magnet. The control unit is electrically connected with the linear Hall sensor and the steering lamp. The linear Hall sensor is always in the range of the magnet, the detected magnetic field intensity is converted into the Hall voltage and transmitted to the control unit through the change of the magnetic field of the magnet detected by the linear Hall sensor and the linear relation between the magnetic field intensity and the Hall voltage, and turning on and turning off of the steering lamp are controlled through the magnitude of the Hall voltage. And the sensitivity is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of turn signal switches, in particular to a turn signal switch structure. Background Art

[0002] Electric vehicle turn signals are important indicators used to alert surrounding vehicles and pedestrians when turning. The existing control methods for electric vehicle turn signals are generally as follows:

[0003] (1) Lever control, which is one of the most common ways to control the turn signal of an electric vehicle. The lever is usually located on the left handlebar of the electric vehicle. The driver controls the turn signal by turning the lever: pushing the lever down usually turns on the left turn signal, while pushing the lever up turns on the right turn signal. When the lever is moved back to the middle position, the turn signal is turned off.

[0004] (2) Button control: These buttons are usually located near the dashboard or on the handlebars of electric vehicles. The driver controls the turn signal by pressing the corresponding button. The button control method is relatively simple to operate, but may require the driver to distract himself while driving.

[0005] (3) Intelligent control. With the development of technology, the turn signals of some electric vehicles have achieved intelligent control. For example, some electric vehicles are equipped with a turn signal sensing system. When the driver turns the steering wheel, the turn signal will automatically light up. In addition, some electric vehicles also support controlling the turn signal through mobile phone APP or smart voice assistant.

[0006] Chinese patent publication number CN205707008U discloses a responsive electronic steering switch, comprising a permanent magnet mounted on the handlebar that rotates with the handlebar, two spaced-apart magnetic sensors fixed to the head tube of the vehicle frame, and a processing chip that outputs turn signal control signals based on the magnetic sensor signals. The two magnetic sensors are positioned along the rotational trajectory of the permanent magnet, with the permanent magnet initially positioned between the two magnetic sensors. This patent utilizes two Hall effect sensors in conjunction with the permanent magnet to activate and deactivate the left and right turn signals. However, due to the limited sensing distance of the Hall effect sensors, this can easily cause operational delays. Utility Model Content

[0007] The utility model solves the problems in the related art and proposes a turn signal switch structure. The linear Hall sensor is always within the range of the magnet. The linear Hall sensor detects the change of the magnetic field of the magnet, utilizes the linear relationship between the magnetic field strength and the Hall voltage, converts the detected magnetic field strength into a Hall voltage and transmits it to the control unit. The high and low Hall voltage is used to control the turning signal on and off, and the sensitivity is higher.

[0008] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: a turn signal switch structure, including a magnet, a PCBA board and a control unit, the magnet being detachably mounted on a handle via a magnet fixing bracket and being capable of rotating with the handle, the PCBA board being detachably mounted on a support rod via a PCBA board fixing bracket, a linear Hall sensor being mounted on the PCBA board and always facing the magnet; the control unit being electrically connected to the linear Hall sensor and the turn signal, respectively.

[0009] As a preferred solution, the handle is rotatably mounted on the support rod.

[0010] As a preferred solution, the magnet is an arc-shaped structure and is embedded in the magnet fixing frame, and the magnet fixing frame is detachably mounted on the handle through a clamp structure.

[0011] As a preferred solution, an arc-shaped groove is provided on the PCBA board fixing frame, the PCBA board is installed in the arc-shaped groove, and the PCBA board fixing frame is detachably mounted on the support rod through a clamp structure.

[0012] As a preferred solution, in the initial position, the linear Hall sensor faces the center of the magnet, and the linear Hall sensor transmits the signal of the detected magnet to the control unit to control the turn signal to be turned off; when the magnet is deflected 5 to 45 degrees from the initial position, the linear Hall sensor transmits the signal of the detected magnet to the control unit to control the turn signal to be turned on.

[0013] Compared with the existing technology, the beneficial effects of the present invention are: the linear Hall sensor of the present invention is always within the range of the magnet, and the changes in the magnetic field of the magnet are detected by the linear Hall sensor. The linear relationship between the magnetic field strength and the Hall voltage is used to convert the detected magnetic field strength into a Hall voltage and transmit it to the control unit. The level of the Hall voltage is used to control the opening and closing of the turn signal, and the sensitivity is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle.

[0016] In the picture:

[0017] 1. Magnet, 2. PCBA board, 3. Magnet holder, 4. Handle, 5. PCBA board holder, 6. Support rod, 7. Linear Hall sensor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0020] Unless otherwise specifically stated, the relative arrangement of the parts and steps, the numerical expressions and the numerical values ​​set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0021] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0022] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0023] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this utility model.

[0024] like Figures 1 to 2 As shown, a turn signal switch structure includes a magnet 1, a PCBA board 2 and a control unit. The magnet 1 is detachably mounted on a handle 4 through a magnet fixing frame 3 and can rotate with the handle 4. The PCBA board 2 is detachably mounted on a support rod 6 through a PCBA board fixing frame 5. A linear Hall sensor 7 is installed in the middle of the PCBA board 2. The linear Hall sensor 7 is located below the magnet 1 and is always opposite to the magnet 1 during the rotation of the magnet 1. The control unit is electrically connected to the linear Hall sensor 7 and the turn signal, respectively, so as to transmit the magnetic signal of the magnet 1 to the control unit, thereby controlling the turning signal to be turned on and off. Specifically, the change in the magnetic field of the magnet 1 detected by the linear Hall sensor 7 is converted into a Hall voltage by utilizing the linear relationship between the magnetic field strength and the Hall voltage and transmitted to the control unit. The turning signal is controlled to be turned on and off by utilizing the high and low Hall voltage, which has higher sensitivity.

[0025] In one embodiment, the handle 4 is rotatably mounted on the support rod 6 via a bearing, so that the handle 4 can rotate under the action of the bearing.

[0026] In one embodiment, the magnet 1 is an arc-shaped structure and is embedded in the magnet fixing frame 3. Specifically, the front part of the magnet fixing frame 3 is a fan-shaped structure, and an arc-shaped groove is provided on the front side of the fan-shaped structure. The magnet 1 is embedded in the arc-shaped groove. The rear part of the magnet fixing frame 3 is a clamping structure, which is detachably mounted on the handle 4 through the clamping structure and with bolts.

[0027] In one embodiment, the front portion of the PCBA board fixing frame 5 is also a fan-shaped structure, and an arc-shaped groove is provided on the top of the fan-shaped structure. The PCBA board 2 is installed in the arc-shaped groove. The rear portion of the PCBA board fixing frame 5 is a clamping structure, which is detachably installed on the support rod 6 through the clamping structure and with bolts.

[0028] In one embodiment, in the initial position, the linear Hall sensor 7 is facing the middle of the magnet 1. The linear Hall sensor 7 converts the detected signal of the magnet 1 into a Hall voltage and transmits it to the control unit. At this time, the turn signal is controlled to be turned off; when the magnet 1 is deflected 5~45° from the initial position, the linear Hall sensor 7 converts the detected signal of the magnet 1 into a Hall voltage and transmits it to the control unit. Within this range, the turn signal can be controlled to be turned on. For example, turning the handle 4 to the left causes the magnet 1 to deflect to the left. When the rotation range is 5~45°, the left turn signal is on. Turning the handle 4 to the right causes the magnet 1 to deflect to the right. When the rotation range is 5~45°, the right turn signal is on.

[0029] The above is a preferred embodiment of the present invention. Technicians in the field of the present invention can also change and modify the above embodiment. Therefore, the present invention is not limited to the above specific embodiment. Any obvious improvements, replacements or modifications made by technicians in this field on the basis of the present invention are within the scope of protection of the present invention.

Claims

1. A turn signal switch structure, characterized in that: The invention comprises a magnet (1), a PCBA board (2) and a control unit, wherein the magnet (1) is detachably mounted on a handle (4) via a magnet fixing frame (3) and can rotate along with the handle (4), the PCBA board (2) is detachably mounted on a support rod (6) via a PCBA board fixing frame (5), a linear Hall sensor (7) is mounted on the PCBA board (2), and the linear Hall sensor (7) is always opposite to the magnet (1); and the control unit is electrically connected to the linear Hall sensor (7) and the turn signal lamp, respectively.

2. The turn signal switch structure according to claim 1, characterized in that: The handle (4) is rotatably mounted on the support rod (6).

3. The turn signal switch structure according to claim 1, characterized in that: The magnet (1) is an arc-shaped structure and is embedded in the magnet fixing frame (3). The magnet fixing frame (3) is detachably mounted on the handle (4) via a hoop structure.

4. The turn signal switch structure according to claim 1, characterized in that: An arc-shaped groove is provided on the PCBA board fixing frame (5), the PCBA board (2) is installed in the arc-shaped groove, and the PCBA board fixing frame (5) is detachably installed on the support rod (6) via a hoop structure.

5. The turn signal switch structure according to claim 1, characterized in that: In the initial position, the linear Hall sensor (7) faces the center of the magnet (1), and the linear Hall sensor (7) transmits the signal of the magnet (1) detected to the control unit to control the turn signal to be turned off; when the magnet (1) deflects 5 to 45 degrees from the initial position, the linear Hall sensor (7) transmits the signal of the magnet (1) detected to the control unit to control the turn signal to be turned on.

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