JP2023041033A - Joystick sensor, controller, automatic wiper, and automatic rearview mirror - Google Patents

Abstract

SOLUTION: A joystick sensor, a controller, an auto wiper, and an auto rearview mirror are disclosed and the disclosure relates to the technical field of a novel sensor. The joystick sensor includes: a joystick assembly 1 for generating oscillation in a first direction and a second direction perpendicular to each other; a slide magnet assembly comprising a first slide magnet assembly 2 for translating a first magnet 22 to the left and right in accordance with the oscillation in the first direction and a second slide magnet assembly 3 for translating the second magnet 32 back and forth in accordance with the oscillation in the second direction; a magnetic induction assembly comprising a first magnetic induction element 4 and a second magnetic induction element 5 which are installed below the first sliding magnet assembly 2 and the second sliding magnet assembly 3, and used for generating and outputting a first electric signal corresponding to left-right translation of the first magnetic 22 and a second electric signal corresponding to front-back translation of the second magnetic 32.EFFECT: The present invention has advantages of long service life, high control precision, and high sensitivity.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to the technical field of novel sensors, and more particularly to joystick sensors, controllers, auto wipers, and auto rearview mirrors.

A joystick sensor is one type of sensor, and is generally used as a controller for drone radios, game pads, and the like. It mainly comprises a joystick and two arms (upper arm and lower arm), and when the joystick is operated to operate the two arms, the potential adjustment module can output a specific resistance or voltage.

There are two main types of conventional joystick sensors, one of which consists of a brush, a circuit board, and a carbon resistor provided on the circuit board. , and the different resistance values will generate different electrical signals to achieve the purpose of controlling the direction by the joystick sensor. However, in this adjustment by contacting the brush and the carbon resistor, if a metal with relatively high elasticity is used as the brush, the brush wears quickly and the service life is shortened. There is a drawback that poor contact and malfunctions are likely to occur between the brush and the carbon resistor. Using high-hardness carbon resistors will cause the brush to wear faster and generate relatively loud electrical noise. is also deposited on the brush and affects the electrical performance of the brush, resulting in malfunction of the variable resistor. Therefore, this type of variable resistor has the shortcomings of short service life and poor performance.

Therefore, to overcome the above drawbacks, the present invention provides a joystick sensor, controller, auto wiper, auto rearview mirror with the advantage of long service life.

Therefore, the joystick sensor of the present invention is
a joystick assembly for producing rocking motion in first and second directions that are perpendicular to each other;
A first slide magnet assembly for translating the first magnet left and right with rocking motion in a first direction, and a second slide magnet assembly for translating the second magnet back and forth with rocking motion in a second direction. a sliding magnet assembly comprising
a first magnetic induction element mounted under the first slide magnet assembly for generating and outputting a first electrical signal corresponding to the lateral translation of the first magnet; mounted under the second slide magnet assembly; a magnetic induction assembly comprising a second magnetic induction element for generating and outputting a second electrical signal corresponding to the forward and backward translation of the second magnet.

Preferably, each of the first magnetic induction element and the second magnetic induction element is a linear Hall element.

Preferably, said joystick assembly comprises a joystick, an upper arm and a lower arm,
The upper arm and the lower arm are fitted to a joystick, respectively, and the joystick causes the upper arm to swing in a first direction and the lower arm to swing in a second direction.

Preferably, said first slide magnet assembly comprises:
A first slider assembly having a first movable portion connected to one end of the upper arm and adapted to translate left and right by the operation of the upper arm; a magnet;

Preferably, said second slide magnet assembly comprises:
A second slider assembly having a second movable portion connected to one end of the lower arm and adapted to translate back and forth by the operation of the lower arm; a magnet;

Preferably, the slide magnet assembly includes a third slide magnet assembly for translating the third magnet left and right with rocking in the first direction, and a slide magnet assembly for moving the fourth magnet back and forth with rocking in the second direction. a fourth slide magnet assembly for translating;
The magnetic induction assembly includes: a third magnetic induction element mounted below the third slide magnet assembly for generating and outputting a third electrical signal corresponding to lateral translation of the third magnet; and a fourth slide magnet assembly. and a fourth magnetic induction element for generating and outputting a fourth electrical signal corresponding to the forward and backward translation of the fourth magnet, further comprising a fourth magnetic induction element attached below the
The third slide magnet assembly includes: a third slider assembly having a third movable portion connected to the other end of the upper arm and adapted to translate left and right by the operation of the upper arm; a third magnet that synchronously translates with the unit;
The fourth slide magnet assembly includes: a fourth slider assembly having a fourth movable portion connected to the other end of the lower arm and adapted to be translated back and forth by the operation of the lower arm; a fourth magnet that synchronously translates with the portion.

A circuit board, preferably a flexible board or a rigid board, on which the first magnetic induction element and the second magnetic induction element are attached, respectively;
A metal dome used as a switch button,
A washer and a cross-sectional area that gradually changes from large to small is installed between the joystick assembly and the circuit board, and the end with the relatively large cross-sectional area is connected to the joystick assembly through the washer to increase the cross-sectional area. a reset assembly comprising a spring having a relatively small end connected to the circuit board for always placing the joystick in a vertical reset state in the absence of an external force.

The controller of the present invention comprises an operating section and the above-described joystick sensor, the operating section being connected to the joystick of the joystick sensor and swinging the joystick together when swinging.

The auto wiper of the present invention comprises a wiper arm, a swing drive motor, and the above joystick sensor, the wiper arm is connected to the swing drive motor and the joystick of the joystick sensor, respectively, and the swing drive motor is driven based on the output signal of the joystick sensor. The joystick sensor has a signal output terminal connected to the swing drive motor, detects the amount of swing of the wiper arm, and feeds it back to the swing drive motor.

The auto rearview mirror of the present invention comprises a mirror, a rotary motor and the joystick sensor, the mirror is connected to the rotary motor and the joystick of the joystick sensor, respectively, and the rotary motor swings the mirror based on the output signal of the joystick sensor. The joystick sensor has a signal output terminal connected to the rotary motor, detects the swing amount of the mirror, and feeds it back to the rotary motor.

The joystick sensor, controller, auto wiper, and auto rearview mirror of the present invention have the following advantages.
1. By providing a combination of the slide magnet assembly and the magnetic induction assembly, the amount of swinging in both directions of the joystick assembly is detected and converted into an electric signal for output, so that there is no frictional contact between the slide magnet assembly and the magnetic induction assembly. , improve service life.
2. By providing a first slide magnet assembly and a second slide magnet assembly that can follow the joystick assembly that can swing in a first direction and a second direction, respectively, the first magnet and the second magnet are identical in both the left-right and front-back directions, respectively. Since the translation that moves in the plane can be performed, the corresponding first magnetic induction element and the second magnetic induction element can detect the change in the magnetic field due to this translation more accurately and with high sensitivity, thereby controlling the joystick sensor. Improve accuracy and sensitivity.
3. The controller, auto wiper and auto rearview mirror have the advantages of long service life, high control accuracy and high sensitivity by providing the joystick sensor.

In order to more clearly describe the technical means in the specific embodiments of the present invention, the drawings used for describing the specific embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can also derive other drawings from these drawings without creative efforts.

FIG. 2 is an exploded view of a specific example of the joystick sensor in Embodiment 1 of the present invention; FIG. 4 is a structural schematic diagram of one specific example of the joystick assembly in Embodiment 1 of the present invention; FIG. 4 is a structural schematic diagram of another specific example of the joystick assembly in Embodiment 1 of the present invention; FIG. 4 is a structural schematic diagram of one specific example of the first slider assembly in Embodiment 1 of the present invention; FIG. 4 is a structural schematic diagram of one specific example of the second slider assembly in Embodiment 1 of the present invention; FIG. 2 is a structural schematic diagram of a specific example of the first magnetic induction element in Example 1 of the present invention; 1 is a structural schematic diagram of a specific example of a flexible substrate in Example 1 of the present invention; FIG. 1 is a structural schematic diagram of a specific example of a rigid substrate in Example 1 of the present invention; FIG. 1 is a schematic cross-sectional view of one specific example of a reset assembly in Embodiment 1 of the present invention; FIG. FIG. 2 is a structural schematic diagram of one specific example of a housing in Embodiment 1 of the present invention;

Hereinafter, the technical means of the present invention will be clearly and completely described with reference to the drawings, but it is clear that the described embodiments are not all embodiments but some of the embodiments of the present invention. be. All other embodiments obtained by persons skilled in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

In describing the invention, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "one," "one," "the," etc. are intended to include plural forms as well, unless the context clearly dictates otherwise. When terms such as “comprising” and/or “including” are used, they are intended to describe the presence of features, integers, steps, acts, elements and/or components, but not one or more other does not exclude the presence or addition of features, integers, steps, acts, elements, components, and/or other combinations. The term "and/or" includes any and all combinations of one or more of the associated listed items. Orientation or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. and is merely for the purpose of facilitating and simplifying the description of the invention, it is assumed that any device or element referred to has a particular orientation and is configured and operated in a particular orientation. It is not intended to indicate or imply that one must do so, and should not be taken as limiting the invention. It is to be understood that the terms "first", "second" and "third" are for descriptive purposes only and do not indicate or imply any relative importance. Terms such as "attachment", "coupling", "connection" should be understood broadly. For example, it may be fixedly connected, detachably connected, or integrally connected. Also, they may be connected mechanically or electrically. In addition, they may be directly connected, indirectly connected via an intermediate member, or communicated inside two members. A wireless connection or a wired connection may be used. A person skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.

Also, technical features according to different embodiments of the present invention described below can be combined with each other as long as they do not contradict each other.

<Example 1>
In this embodiment, as shown in FIGS. 1 and 6,
a joystick assembly 1 for generating rocking motion in first and second directions that are perpendicular to each other;
A first slide magnet assembly 2 for translating the first magnet left and right along with rocking in the first direction, and a second slide magnet assembly for translating the second magnet back and forth along with rocking in the second direction. a sliding magnet assembly comprising an assembly 3;
a first magnetic induction element 4 mounted below the first slide magnet assembly 2 for generating and outputting a first electrical signal corresponding to the lateral translation of the first magnet; a magnetic induction assembly comprising a second magnetic induction element 5 mounted for generating and outputting a second electrical signal corresponding to the forward and backward translation of the second magnet.
Preferably, the first magnetic induction element 4 and the second magnetic induction element 5 are each linear Hall elements.

The above-mentioned joystick sensor is provided with a combination of a slide magnet assembly and a magnetic induction assembly to detect the amount of swinging of the joystick assembly in both directions, convert it into an electric signal, and output the electric signal between the slide magnet assembly and the magnetic induction assembly. Increase service life due to no frictional contact. By providing a first slide magnet assembly and a second slide magnet assembly that can follow the joystick assembly that can swing in a first direction and a second direction, respectively, the first magnet and the second magnet are identical in both the left-right and front-back directions, respectively. Since the translation that moves in the plane can be performed, the corresponding first magnetic induction element and the second magnetic induction element can detect the change in the magnetic field due to this translation more accurately and with high sensitivity, and control the joystick sensor. Improve accuracy and sensitivity.

Preferably, as shown in FIGS. 2 and 3, the joystick assembly 1 comprises a joystick 11, an upper arm 12 and a lower arm 13,
The upper arm 12 and the lower arm 13 are respectively fitted to the joystick 11, and the joystick 11 causes the upper arm 12 to swing in the first direction and the lower arm 13 to swing in the second direction.

Preferably, as shown in FIG. 4, the first slide magnet assembly 2 includes a first slider assembly 21 having a first movable portion connected to one end of the upper arm 12 and adapted to translate left and right by the movement of the upper arm 12. and a first magnet 22 mounted within the first moveable part and synchronously translating therewith.

Preferably, as shown in FIG. 5 , the second slide magnet assembly 3 includes a second slider assembly 31 having a second movable portion connected to one end of the lower arm 13 and translated back and forth by the movement of the lower arm 13 . and a second magnet 32 mounted within the second moveable part and synchronously translating with the second moveable part.

Preferably, the slide magnet assembly includes a third slide magnet assembly for translating the third magnet left and right with rocking in the first direction, and a slide magnet assembly for moving the fourth magnet back and forth with rocking in the second direction. and a fourth slide magnet assembly for translation.

Preferably, the magnetic induction assembly is mounted below the third slide magnet assembly and includes a third magnetic induction element for generating and outputting a third electrical signal corresponding to lateral translation of the third magnet; and a fourth magnetic induction element mounted below the slide magnet assembly for generating and outputting a fourth electrical signal corresponding to forward and backward translation of the fourth magnet.

Preferably, the third slide magnet assembly includes a third slider assembly having a third movable portion connected to the other end of the upper arm 12 and adapted to translate left and right by the movement of the upper arm 12, and a third slider assembly mounted within the third movable portion. and a third magnet that is synchronously translated with the third movable portion.

Preferably, the fourth slide magnet assembly includes a fourth slider assembly, the fourth movable portion of which is connected to the other end of the lower arm 13, for translation back and forth by the operation of the lower arm 13, and a fourth slider assembly mounted within the fourth movable portion. and a fourth magnet that is synchronously translated with the fourth movable portion. By redundantly providing the third slide magnet assembly, the fourth slide magnet assembly, the third magnetic induction element and the fourth magnetic induction element, the third electric signal and the fourth electric signal generated are the first electric signal and the fourth electric signal, respectively. Since the second electrical signal can be the standby signal or the error detection signal, the control accuracy of the joystick sensor is further improved.

Preferably, as shown in Figures 1, 7 and 8, the joystick sensor further comprises a circuit board 6 on which the first magnetic induction element 4 and the second magnetic induction element 5 are mounted respectively. Preferably, circuit board 6 is flexible board 61 or rigid board 62 . Preferably, a third magnetic induction element and a fourth magnetic induction element are also attached to the circuit board 6 respectively.

Preferably, as shown in Figures 7 and 8, the joystick sensor further comprises a metal dome 7 used as a switch button.

Preferably, as shown in FIG. 9, the joystick sensor is mounted between the joystick assembly 1 and the circuit board 6 with a washer 81 and a cross-sectional area that gradually changes from large to small and has a relatively large cross-sectional area. a spring 82 whose large end is connected to the joystick assembly via a washer 81 and whose smaller cross-sectional area end is connected to the circuit board 6 to always force the joystick into a vertical reset state in the absence of external forces; , further comprising a reset assembly 8 comprising:

Preferably, as shown in FIG. 10, the joystick sensor includes a housing 9 for enclosing and sealing the joystick assembly 1, the first slide magnet assembly 2, the second slide magnet assembly 3, the circuit board 6 and the reset assembly 8, etc. further provide.

<Example 2>
The present embodiment comprises an operation unit and the joystick sensor of the first embodiment. The operation unit is connected to the joystick of the joystick sensor. Realize the automatic detection of the controller, improve the service life, control accuracy and sensitivity of the controller.

<Example 3>
This embodiment comprises a wiper arm, a swing drive motor, and the joystick sensor of the first embodiment. The joystick sensor has a signal output terminal connected to the swing drive motor, detects the amount of swing of the wiper arm, and feeds it back to the swing drive motor to provide an auto wiper. When the wiper arm is oscillated by the drive of the oscillating drive motor, it causes the joystick to oscillate together. to realize automatic control of the swing amount of the wiper arm. This auto wiper has the advantages of long service life and high control accuracy and sensitivity.

<Example 4>
This embodiment comprises a mirror, a rotary motor, and the joystick sensor of the first embodiment, the mirror is connected to the rotary motor and the joystick of the joystick sensor, respectively, and the rotary motor causes the mirror to swing based on the output signal of the joystick sensor. The joystick sensor has a signal output terminal connected to a rotating motor, detects the swing amount of the mirror, and provides an automatic rearview mirror that feeds back to the rotating motor. When the mirror is oscillated by driving the rotary motor, it causes the joystick to oscillate together, and at the same time, the joystick sensor detects the oscillating amount of the mirror and feeds it back to the rotary motor so as to perform adjustment control of the drive. This realizes automatic control of the swing amount of the mirror. This automatic rearview mirror has the advantages of long service life and high control accuracy and sensitivity.

It is clear that the above examples are only examples for clearly describing the present invention and are not intended to limit the embodiments. Those skilled in the art can make various other changes and modifications in light of the above description. Not all embodiments can be covered here. However, any obvious changes and modifications resulting from the present invention shall fall within the protection scope of the present invention.

1 joystick assembly 11 joystick 12 upper arm 13 lower arm 2 first slide magnet assembly 21 first slider assembly 22 first magnet 3 second slide magnet assembly 31 second slider assembly 32 second magnet 4 first magnetic induction element 5 second second Magnetic induction element 6 circuit board 61 flexible board 62 rigid board 7 metal dome 8 reset assembly 81 washer 82 spring 9 housing

Claims (10)

a joystick assembly (1) for producing rocking motion in first and second directions that are perpendicular to each other;
A first slide magnet assembly (2) for translating the first magnet left and right with rocking motion in a first direction, and a second slide magnet assembly (2) for translating the second magnet back and forth with rocking motion in a second direction. a slide magnet assembly (3);
a first magnetic induction element (4) mounted below the first slide magnet assembly (2) for generating and outputting a first electrical signal corresponding to the lateral translation of the first magnet; and a second slide magnet assembly. a magnetic induction assembly mounted below (3) and comprising a second magnetic induction element (5) for generating and outputting a second electrical signal corresponding to the forward and backward translation of the second magnet; Features a joystick sensor. A joystick sensor according to claim 1, characterized in that said first magnetic induction element (4) and said second magnetic induction element (5) are linear Hall elements respectively. Said joystick assembly (1) comprises a joystick (11), an upper arm (12) and a lower arm (13), the upper arm (12) and the lower arm (13) are fitted on the joystick (11) respectively, 3. The joystick sensor according to claim 2, wherein (11) causes the upper arm (12) to swing in the first direction and the lower arm (13) to swing in the second direction. The first slide magnet assembly (2) includes a first slider assembly (21) having a first movable portion connected to one end of an upper arm (12) and translated left and right by the operation of the upper arm (12); 4. The joystick sensor of claim 3, comprising a first magnet (22) mounted within the first moving part and synchronously translating therewith. The second slide magnet assembly (3) includes a second slider assembly (31) having a second movable part connected to one end of a lower arm (13) for translation back and forth by the operation of the lower arm (13); 5. The joystick sensor of claim 4, comprising a second magnet (32) mounted within the second moving part and synchronously translating therewith. The slide magnet assembly includes a third slide magnet assembly for translating the third magnet left and right as it oscillates in the first direction, and a slide magnet assembly for translating the fourth magnet back and forth as it oscillates in the second direction. a fourth slide magnet assembly of
The magnetic induction assembly includes: a third magnetic induction element mounted below the third slide magnet assembly for generating and outputting a third electrical signal corresponding to lateral translation of the third magnet; and a fourth slide magnet assembly. and a fourth magnetic induction element for generating and outputting a fourth electrical signal corresponding to the forward and backward translation of the fourth magnet, further comprising a fourth magnetic induction element attached below the
The third slide magnet assembly has a third movable part connected to the other end of the upper arm (12), a third slider assembly for translating left and right by the movement of the upper arm (12), and a a third magnet mounted and synchronously translating with the third moving part;
The fourth slide magnet assembly includes a fourth slider assembly having a fourth movable portion connected to the other end of the lower arm (13) for translation back and forth by the operation of the lower arm (13); 6. The joystick sensor of claim 5, comprising a fourth magnet mounted and synchronously translating with the fourth movable part. A circuit board (6) on which a first magnetic induction element (4) and a second magnetic induction element (5) are attached, respectively, and which is a flexible substrate (61) or a rigid substrate (62);
a metal dome (7) used as a switch button;
A washer (81) with a gradually varying cross-sectional area from large to small, mounted between the joystick assembly (1) and the circuit board (6), the end of the relatively large cross-sectional area being the washer (81). a spring (82) connected to the joystick assembly via a relatively small cross-sectional area end connected to the circuit board (6) for always placing the joystick in a vertical reset state in the absence of external forces; 6. The joystick sensor of claim 5, further comprising a reset assembly (8) comprising. A controller comprising an operation unit and a joystick sensor according to any one of claims 1 to 7, wherein the operation unit is connected to a joystick of the joystick sensor and causes the joystick to swing together when swinging. . A wiper arm, an oscillating drive motor and a joystick sensor according to any one of claims 1 to 7, wherein the wiper arm is connected to the oscillating drive motor and the joystick of the joystick sensor respectively, and the oscillating drive motor is connected to the joystick sensor The joystick sensor has a signal output terminal connected to the swing drive motor, detects the amount of swing of the wiper arm, and feeds it back to the swing drive motor. auto wiper. A mirror, a rotary motor, and a joystick sensor according to any one of claims 1 to 7, wherein the mirror is connected to the rotary motor and the joystick of the joystick sensor, respectively, and the rotary motor is driven based on the output signal of the joystick sensor. 1. An auto-rearview mirror, characterized in that the swinging of the mirror is controlled and driven, and the joystick sensor has a signal output terminal connected to a rotating motor, detects the amount of swinging of the mirror, and feeds it back to the rotating motor.

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