Joystick device and electronic equipment

Abstract

The embodiments of the present application relate to the field of angle measurement technology and disclose a rocker device and an electronic device. The rocker device of the present application includes: a rocker, a rocker arm structure, a circuit board, an upper cover, and a processor; a mounting cavity is formed between the upper cover and the circuit board, and a limiting hole is provided on the upper cover; the rocker arm structure is arranged inside the mounting cavity, one end of the rocker is connected to the rocker arm structure, and the other end extends out of the upper cover through the limiting hole; the rocker arm structure has multiple rotating shafts, at least one rotating shaft is provided with a rotating part, and the rotating part is provided with a metal sheet; the first surface of the circuit board is provided with a plate assembly arranged opposite to the metal sheet; the processor is connected to the circuit board; the plate assembly includes a first plate and a second plate; when the rotating part rotates with the rocker, the relative area of ​​the metal sheet and the second plate changes; the first plate, the metal sheet, and the second plate form a target capacitance; the processor is used to determine the rotation direction and angle of the rocker according to the capacitance value of the target capacitance; and improve the accuracy of the angle measurement of the rocker device.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of angle measurement technology, and in particular to a joystick device and an electronic device. Background Art

[0002] At present, joysticks are widely used in medical devices, drone control handles, game controllers and other fields. For example, position control of medical devices, azimuth control on drone control handles, and position control on game controllers also place higher requirements on the accuracy of the angle measurement of joystick rotation.

[0003] In related technologies, the rotation angle of a joystick is primarily detected using sensors. Conventional sensors include Hall effect sensors and carbon film sensors. Hall effect sensors are susceptible to external magnetic interference and exhibit a nonlinear relationship between signal and distance. Carbon film sensors are subject to contact wear and low detection accuracy. As a result, these technical solutions for measuring joystick angles through sensor detection have low accuracy and cannot meet users' increasing demand for higher-precision joystick angle measurement. Summary of the Invention

[0004] The purpose of the embodiments of the present application is to provide a joystick device and an electronic device, so as to improve the accuracy of angle measurement of the joystick device.

[0005] To solve the above technical problems, an embodiment of the present application provides a rocker device, comprising: a rocker, a rocker arm structure, a processor, a circuit board, and an upper cover covering the circuit board; a mounting cavity is formed between the upper cover and the circuit board, and a limiting hole is defined on a side of the upper cover away from the circuit board; the rocker arm structure is disposed within the mounting cavity, one end of the rocker is connected to the rocker arm structure, and the other end extends out of the upper cover through the limiting hole; the rocker arm structure has a plurality of rotating shafts, at least one of which is provided with a rotating portion in a direction approaching the circuit board, and a metal sheet is provided on a surface of the rotating portion near the circuit board; a plate assembly is provided on a first surface of the circuit board, the first surface being the surface of the circuit board near the rocker arm structure; the processor is connected to the circuit board; the plate assembly includes a first plate and a second plate; when the rotating portion rotates with the rocker, the relative area between the metal sheet and the second plate changes; the first plate, the metal sheet, and the second plate form a target capacitance; and the processor is configured to obtain a capacitance value of the target capacitance and determine the rotation direction and angle of the rocker based on the capacitance value.

[0006] An embodiment of the present application further provides an electronic device, comprising: the above-mentioned joystick device.

[0007] In some embodiments, the rotating part includes an extension piece and a slider; the extension piece is arranged along the rotating shaft in a direction perpendicular to the first surface of the circuit board, and a groove is provided on a side of the slider close to the corresponding rotating shaft, and the extension piece is arranged in the groove.

[0008] In some embodiments, the surface of the rotating portion close to the circuit board is a curved surface.

[0009] In some embodiments, the rocker arm structure includes a lower rocker arm and an upper rocker arm covering the lower rocker arm, the upper rocker arm rotates along a first axis following the rocker arm, and the lower rocker arm rotates along a second axis following the rocker arm, and the first axis is perpendicular to the second axis; the upper rocker arm is provided with two rotating shafts along the direction of the first axis, and the lower rocker arm is provided with two rotating shafts along the direction of the second axis; the upper rocker arm is provided with a first sliding opening on a side close to the upper cover, and the lower rocker arm is provided with a second sliding opening on a side close to the upper cover, and the two side walls of the lower rocker arm perpendicular to the first surface are provided with positioning holes, and the end of the rocker arm connected to the rocker arm structure is provided with a positioning piece that matches the positioning hole one by one; the rocker arm passes through the first sliding opening and the second sliding opening in sequence so that the positioning piece is assembled in the positioning hole.

[0010] In some embodiments, the electrode assembly includes multiple second electrode plates; when the rotating part rotates with the joystick, the relative area of ​​the metal sheet and each second electrode plate changes; the first electrode plate, the metal sheet and each second electrode plate form a target capacitor; the processor is used to obtain the capacitance values ​​of multiple target capacitors and determine the rotation direction and angle of the joystick based on the multiple capacitance values.

[0011] In some embodiments, the electrode assembly further includes a ground plate disposed between the first electrode plate and the second electrode plate.

[0012] In some embodiments, the number of the rotating shafts provided with the rotating portion among the plurality of rotating shafts is two, and the rotation directions of the two rotating shafts are different.

[0013] In some embodiments, each of the plurality of rotating shafts is provided with a rotating portion along a direction approaching the circuit board.

[0014] In some embodiments, the rocker device further includes a button, and a pot piece is provided on a side of the button away from the upper cover; and a button area corresponding to the pot piece is provided on the first surface of the circuit board.

[0015] The technical solution provided by the embodiments of the present application has at least the following advantages:

[0016] In this embodiment, a metal sheet and a plate assembly are set in the rocker device. The plate assembly forms a target capacitor through the metal sheet coupling. When the rocker rotates, the rocker drives the rotating part to rotate through the rotating shaft, so that the relative area of ​​the metal sheet and the second plate changes, and the capacitance value of the target capacitor formed by the metal sheet and the first plate and the second plate changes. That is, the capacitance value of the target capacitor is different at different rotation angles, so that the rotation direction and angle of the rocker can be detected by the change in the capacitance value of the target capacitor. Compared with the sensor method of the related art, this embodiment realizes the angle measurement of the rocker device through the capacitance detection method, and can accurately determine the rotation direction and angle of the rocker through the change in the target capacitance, thereby improving the accuracy of the angle measurement of the rocker device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings. These exemplifications do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0018] Figure 1 is a structural schematic diagram of a rocker device according to an embodiment of the present application;

[0019] Figure 2 is a schematic cross-sectional structural diagram of a rocker device according to an embodiment of the present application;

[0020] Figure 3 is a schematic diagram of the exploded structure of a rocker device according to an embodiment of the present application;

[0021] Figure 4 is a schematic structural diagram of a circuit board according to an embodiment of the present application;

[0022] Figure 5 is a schematic structural diagram of a plate assembly according to an embodiment of the present application;

[0023] Figure 6 This is one of the partial enlarged schematic diagrams of the rotating part according to one embodiment of the present application;

[0024] Figure 7 This is a second partial enlarged schematic diagram of a rotating portion according to an embodiment of the present application;

[0025] Figure 8 is a structural schematic diagram of a slider according to an embodiment of the present application;

[0026] Figure 9 is a schematic structural diagram of a metal sheet and a plate assembly according to an embodiment of the present application;

[0027] Figure 10is a diagram showing the electric field lines between the metal plate and the electrode assembly according to one embodiment of the present application;

[0028] Figure 11 is a schematic structural diagram of a circuit board according to an embodiment of the present application;

[0029] Figure 12 is a schematic diagram of the exploded structure of a rocker device according to an embodiment of the present application;

[0030] Figure 13 2 is a schematic diagram of a partial structure of a rocker device according to an embodiment of the present application. DETAILED DESCRIPTION

[0031] As can be seen from the background art, the joysticks in the related art have low accuracy and cannot meet the users' demand for higher and higher joystick accuracy.

[0032] In order to solve the problem of low rocker accuracy in the related art, an embodiment of the present application relates to a rocker device, comprising: a rocker, a rocker arm structure, a processor, a circuit board, and an upper cover covering the circuit board; an installation cavity is formed between the upper cover and the circuit board, and a limiting hole is provided on the side of the upper cover away from the circuit board; the rocker arm structure is arranged inside the installation cavity, one end of the rocker is connected to the rocker arm structure, and the other end extends out of the upper cover through the limiting hole; the rocker arm structure has multiple rotating shafts, at least one rotating shaft is provided with a rotating part along the direction close to the circuit board, and a metal sheet is provided on the surface of the rotating part close to the circuit board; a plate assembly is provided on the first surface of the circuit board close to the rocker arm structure and is arranged opposite to the metal sheet; the processor is connected to the circuit board; the plate assembly includes a first plate and a second plate; when the rotating part rotates with the rocker, the relative area of ​​the metal sheet and the second plate changes; the first plate, the metal sheet, and the second plate form a target capacitor; the processor is used to obtain the capacitance value of the target capacitor and determine the rotation direction and angle of the rocker according to the capacitance value.

[0033] The embodiment of the present application sets a metal sheet and a plate assembly in the rocker device, and the plate assembly forms a capacitor through the metal sheet coupling. When the rocker rotates, the rocker drives the rotating part to rotate through the rotating shaft, so that the relative area of ​​the metal sheet and the second plate changes, and the target capacitance formed by the metal sheet and the first plate and the second plate changes. That is, at different rotation angles, the capacitance value of the target capacitance is different, so that the rotation angle of the rocker can be detected by the change in the capacitance value of the target capacitance. Compared with the sensor method of the related technology, the present embodiment realizes the angle measurement of the rocker device through the capacitance detection method, and can accurately determine the rotation direction and angle of the rocker through the change of the target capacitance, thereby improving the accuracy of the angle measurement of the rocker device.

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, each embodiment of the present application will be described in detail below with reference to the accompanying drawings. However, it will be understood by those skilled in the art that in each embodiment of the present application, many technical details are proposed to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in the present application can be implemented. The division of the following embodiments is for convenience of description and should not constitute any limitation on the specific implementation of the present application. The various embodiments can be combined and referenced with each other under the premise of no contradiction.

[0035] The present application embodiment relates to a rocker device, such as Figure 1 As shown in FIG. 1 , it is a schematic structural diagram of the rocker device of this embodiment. Figure 2 As shown in FIG, a cross-sectional structural diagram of the rocker device of this embodiment is shown. Figure 3 , which is a schematic diagram of the exploded structure of the rocker device of this embodiment, the rocker device of this embodiment includes: a rocker 10, a rocker arm structure (not marked in the figure), a processor (not marked in the figure), a circuit board 20, and an upper cover 30 covering the circuit board 20.

[0036] Specifically, an installation cavity is formed between the upper cover 30 and the circuit board 20, and a limiting hole 301 is provided on the side of the upper cover 30 away from the circuit board 20; a rocker arm structure (including an upper rocker arm 401 and a lower rocker arm 402) is arranged inside the installation cavity, one end of the rocker arm 10 is connected to the rocker arm structure, and the other end extends out of the upper cover 30 through the limiting hole 301; the rocker arm structure has multiple rotating shafts 403, and at least one rotating shaft 403 is provided with a rotating part (including an extension part 404 and a slider 405) along the direction close to the circuit board 20, and a metal sheet 406 is provided on the surface of the rotating part close to the circuit board 20.

[0037] like Figure 4 As shown in FIG. 2 , a schematic diagram of the structure of the circuit board is shown. The first surface of the circuit board 20 is provided with a plate assembly 201 arranged opposite to the metal sheet 406. Figure 5The figure shows a schematic diagram of the structure of the plate assembly. The first surface is the surface of the circuit board 20 near the rocker structure. The processor is connected to the circuit board 20. The plate assembly 201 includes a first plate 2011 and a second plate 2012. When the rotating portion rotates with the rocker 10, the relative area of ​​the metal sheet 406 and the second plate 2012 changes, and the first plate 2011, the metal sheet 406, and the second plate 2012 form a target capacitor. The circuit board 20 is also provided with a plurality of PIN pins 203, which transmit the target capacitor signal received by the circuit board 20 to the processor. The processor is used to obtain the capacitance value of the target capacitor from the circuit board 20 and determine the rotation direction and angle of the rocker 10 based on the capacitance value. This embodiment can feedback the rotation angle state of the rocker 10 by detecting the capacitance value of the target capacitor and processing the data. The processor calculates the rotation direction and angle of the rocker 10 according to the algorithm.

[0038] Specifically, the electrode assembly 201 further includes a ground plate 2013, which is disposed between the first electrode plate 2011 and the second electrode plate 2012. In this embodiment, by disposing the ground plate 2013 between the first electrode plate 2011 and the second electrode plate 2012, the first electrode plate 2011 and the second electrode plate 2012 can be isolated, thereby preventing the electrical signals between the first electrode plate 2011 and the second electrode plate 2012 from affecting each other, thereby improving the accuracy of detection.

[0039] Specifically, the first electrode 2011 is closer to the edge of the circuit board 20, the grounding plate 2013 is arranged on the side of the first electrode 2011 away from the edge of the circuit board 20, and the second electrode 2012 is arranged on the side of the grounding plate 2013 away from the first electrode 2011, wherein the distance between the grounding plate 2013 and one second electrode 2012 and the distance between the grounding plate 2013 and another second electrode 2012 are the same.

[0040] Continue to refer Figure 1 、 Figure 2 、 Figure 3The rocker arm structure of this embodiment includes a lower rocker arm 402 and an upper rocker arm 401 covered by the lower rocker arm 402. The upper rocker arm 401 rotates along the first axis following the rocker bar 10, and the lower rocker arm 402 rotates along the second axis following the rocker bar 10. The first axis and the second axis are arranged perpendicularly. The upper rocker arm 401 is provided with two rotating shafts 403 along the first axis, and the two rotating shafts 403 are respectively located on both sides of the upper rocker arm 401; the lower rocker arm 402 is provided with two rotating shafts 403 along the second axis, and the two rotating shafts 403 are respectively located on both sides of the lower rocker arm 402; a first sliding opening 408 is provided on the side of the upper rocker arm 401 close to the upper cover 30. A second sliding opening 409 is provided on the side of the lower rocker arm 402 close to the upper cover 30, and the first sliding opening 408 and the second sliding opening 409 have the same orientation; the lower rocker arm 402 has two side walls that are symmetrical along the second axis direction and perpendicular to the first surface, and both side arms of the lower rocker arm 402 are provided with positioning holes 407, and one end of the rocker arm 10 connected to the rocker arm structure is provided with a positioning piece 103 that matches the positioning hole 407 one by one, specifically two positioning pieces 103; the one end of the rocker arm 10 connected to the rocker arm structure passes through the first sliding opening 408 and the second sliding opening 409 in sequence so that the positioning piece 103 is assembled in the positioning hole 407.

[0041] Specifically, during the rotation of the rocker arm 10, the rocker arm 10 can rotate in the first sliding opening 408 and drive the lower rocker arm 402 to follow the rocker arm 10 to rotate along the second axis, and the upper rocker arm 401 does not rotate at this time; the rocker arm 10 can also rotate in the second sliding opening 409 and drive the upper rocker arm 401 to follow the rocker arm 10 to rotate along the first axis, and the lower rocker arm 402 does not rotate at this time; the movement of the rocker arm 10 is achieved in this way, and the pole plate assembly 201 corresponding to the rotating part of the rotating shaft 403 of the upper rocker arm 401 is used to detect the rotation angle of the rocker arm 10 on the first axis, and the pole plate assembly 201 corresponding to the rotating part of the rotating shaft 403 of the lower rocker arm 402 is used to detect the rotation angle of the rocker arm 10 on the second axis, thereby realizing the detection of the rotation angles of the rocker arm 10 in various directions, and then determining the rotation direction of the rocker arm 10 and the rotation angle of the rocker arm 10 in the rotation direction according to the rotation angles in various directions.

[0042] Specifically, a base 60 is further provided on a side of the circuit board 20 away from the rocker 10 , that is, the circuit board 20 is arranged on the base 60 , and the base 60 provides support and protection for the circuit board 20 , thereby improving the operational stability of the circuit board 20 .

[0043] Specifically, the rocker 10 of this embodiment has a hollow region, within which a reset lever 101 is disposed. The bottom of the reset lever 101 is connected to the circuit board 20. A spring 102 is also sleeved on the reset lever 101, the bottom of the spring 102 being connected to the bottom of the reset lever 101 and abutting against the bottom of the reset lever 101. A limiting member 104 is provided within the hollow region of the rocker 10 to form a limiting groove. The top of the spring 102 is disposed within the limiting groove, thereby elastically connecting the rocker 10 and the reset lever 101 via the spring 102. The reset lever 101 of this embodiment enables the rocker 10 to be reset. Furthermore, the spring 102 sleeves the reset lever 101. This sleeve increases the speed at which the rocker 10 is reset, minimizing reset delay.

[0044] Specifically, the joystick device of this embodiment further includes a button 501 , and a pot piece 502 is provided on a side of the button 501 away from the upper cover 30 ; a button area 202 correspondingly connected to the pot piece 502 is provided on the first surface of the circuit board 20 .

[0045] Among them, the button 501 has an "concave" structure, that is, a groove is provided on the side of the button 501 away from the circuit board 20, and one of the rotating shafts 403 of the rocker arm structure is provided in the groove of the "concave" structure. When the rocker 10 is pressed, the rocker arm structure presses the button 501 through the rotating shaft 403. After the button 501 is pressed, the button 501 presses the pot piece 502. The pot piece 502 is equivalent to a switch, which triggers the button area 202 in the circuit board 20 through the pot piece 502, thereby triggering the corresponding function. In actual applications, when a user plays a game using a game controller with a joystick 10, some scenes need to be determined through this button 501; for example, if a user needs to select a character image through button 501, the user first selects a character image from a row of character images by shaking the joystick 10 left and right, and then presses the joystick 10 downward, thereby causing button 501 to be pressed, and button 501 presses the pot piece 502. After being pressed, the corresponding button area 202 in the circuit board 20 is triggered, and the user selects this character image.

[0046] Continue to refer Figure 4 、 Figure 5 , the electrode plate assembly 201 of this embodiment includes a plurality of second electrode plates 2012; Figure 4 、 Figure 5 In the description, the number of the second electrode plates 2012 is two as an example. In order to obtain better detection accuracy, the number of the second electrode plates 2012 can also be set to three, four, etc.

[0047] Specifically, when the rotating portion rotates with the joystick 10, the relative area between the metal sheet 406 and each second electrode plate 2012 changes; the first electrode plate 2011, the metal sheet 406, and each second electrode plate 2012 each form a target capacitor; the processor is used to obtain the capacitance values ​​of multiple target capacitors and determine the rotation direction and angle of the joystick 10 based on the multiple capacitance values. In this embodiment, the first electrode plate 2011 forms a target capacitance with each second electrode plate 2012 through the metal plate 406. By utilizing the relationship between the capacitance values ​​of the multiple target capacitors, an algorithm can cleverly eliminate the effects of factors such as changes in the gap between the electrode assembly 201 and the metal sheet 406 and changes in the dielectric constant on the rotation angle, thereby achieving better detection results. The greater the number of second electrode plates 2012, the higher the detection accuracy.

[0048] It should be noted that the relative area between the first plate 2011 and the metal sheet 406 of this embodiment is fixed. Even when the rotating portion rotates with the joystick 10, the relative area between the first plate 2011 and the metal sheet 406 does not change. Therefore, the change in target capacitance is only related to the relative area between the metal sheet 406 and the second plate 2012, further improving the accuracy of detection. In this embodiment, the first plate 2011 is the emitter plate, and the second plate 2012 is the receiver plate. In other embodiments, the first plate 2011 can also be the receiver plate, and the second plate 2012 can also be the emitter plate.

[0049] like Figure 6 As shown in FIG, it is one of the partial enlarged schematic diagrams of the rotating part, as shown in FIG. Figure 7 FIG2 is a second partial enlarged schematic diagram of the rotating portion; the rotating portion of this embodiment includes an extension member 404 and a slider 405. The extension member 404 is provided on the rotating shaft 403 in a direction perpendicular to the circuit board 20. The slider 405 has a groove 4051 formed on a surface adjacent to the rotating shaft 403, and the extension member 404 is disposed within the groove 4051. The figure illustrates the rotating portion in the upper rocker arm 401 as an example. The structure of the rotating portion in the lower rocker arm 402 is similar and will not be further described here to avoid repetition.

[0050] Specifically, the extension 404 has a "V"-shaped structure, and the groove in the slider 405 also has a "V"-shaped structure, but the angle of the "V"-shaped structure of the groove is greater than the angle of the "V"-shaped structure of the extension 404, so that the extension 404 has a certain amount of movement space in the groove, ensuring that the slider 405 moves in a straight line. Taking the rotating portion located in the upper rocker arm 401 as an example, when the rocker 10 drives the rotating portion to rotate, the extension 404 rotates along the first axis. Since the extension 404 is located in the groove of the slider 405, the slider 405 moves in a straight line following the extension 404. The distance between the metal sheet 406 at the bottom of the slider 405 and the electrode assembly 201 remains unchanged. Only the relative area between the metal sheet 406 and the second electrode 2012 changes, thereby reducing the impact of distance on the target capacitance and improving the accuracy of detection. The rotation principle of the rotating portion located in the lower rocker arm 402 is similar. To avoid repetition, this embodiment will not be repeated.

[0051] Specifically, when the rocker 10 is shaken, it drives the slider 405 to move in a straight line, and further drives the metal sheet 406 to move in a straight line; specifically, during the movement of the metal sheet 406, the relative area of ​​the metal sheet 406 and the first electrode 2011 remains unchanged, the relative area of ​​the metal sheet 406 and the two second electrodes 2012 changes, and the area is linearly related to the displacement. The relative area of ​​one second electrode 2012 and the metal sheet 406 is recorded as S1, and the relative area of ​​the other second electrode 2012 and the metal sheet 406 is recorded as S2. The target capacitance formed by the first electrode 2011 and the one second electrode 2012 is recorded as C1, and the target capacitance formed by the first electrode 2011 and the other second electrode 2012 is recorded as C2. According to the circuit structure and the driving and detection principles of the chip, C1 / C2=S1 / S2 can be obtained, or (C1-C2) / (C1+C2) can be obtained through differential calculation, so that the relationship between S1 and S2 can be obtained according to the obtained target capacitances C1 and C2, thereby obtaining the rotation direction and angle of the joystick 10; through this method, not only can the influence of the uncertainty of the distance between the metal sheet 406 and the electrode assembly 201 and the uncertainty of the dielectric constant be eliminated, but also the accuracy of the detection of the position of the joystick 10 can be improved.

[0052] like Figure 8 As shown in FIG. 4 , it is a schematic diagram of the structure of the slider, wherein the metal sheet 406 at the bottom of the slider 405 is in a “convex” shape; Figure 9As shown in the figure, it is a schematic diagram of the structure between the metal sheet and the electrode plate assembly. In the figure, the "convex"-shaped structure in the metal sheet 406 has a wider first area and a narrower second area in the direction of movement of the slider. The wider first area is used to cover the first electrode plate 2011, so that the relative area between the first electrode plate 2011 and the metal sheet 406 remains unchanged during the rotation of the rocker 10. The narrower second area in the metal sheet 406 is arranged opposite to the second electrode plate 2012, so that during the rotation of the rocker 10, the relative area between the metal sheet 406 and each second electrode plate 2012 changes, so that the rotation direction and angle of the rocker 10 can be determined according to the change in the capacitance value of the target capacitor.

[0053] like Figure 10 As shown, it is a diagram of the electric field lines between the metal plate and the electrode assembly, taking the first electrode 2011 as the emitter electrode and the second electrode 2012 as the receiving electrode as an example, the metal sheet 406 is in a floating state, and the electrical signal reaches the metal plate 406 from the first electrode 2011 and then reaches the second electrode 2012, so that under the action of the metal plate 406, the target capacitance is formed between the first electrode 2011, the metal plate 406, and the second electrode 2012.

[0054] In one embodiment, the number of the rotating shafts 403 provided with the rotating portion is two, and the two rotating shafts 403 rotate in different directions. Figure 1 、 Figure 2 、 Figure 3 The rocker device has four rotating shafts 403, wherein two rotating shafts 403 are provided by the upper rocker arm 401, and the other two rotating shafts 403 are provided by the lower rocker arm 402. The four rotating shafts 403 are respectively provided around the rocker arm structure. In this embodiment, one of the rotating shafts 403 of the upper rocker arm 401 is provided with a rotating part, and one of the rotating shafts 403 of the lower rocker arm 402 is provided with a rotating part. The two rotating parts are provided on two adjacent rotating shafts 403; correspondingly, two corresponding plate assemblies 201 are provided on the circuit board 20, such as Figure 4 FIG. 2 is a schematic diagram of the structure of the circuit board 20 according to this embodiment. Two electrode plate assemblies 201 are provided on the first surface of the circuit board 20, with the two electrode plate assemblies 201 being arranged on adjacent sides of the first surface. Specifically, in this embodiment, a rotating portion is provided on a rotating shaft 403 of the upper rocker arm 401 to detect the rotation angle of the rocker 10 about the first axis, and a rotating portion is provided on a rotating shaft 403 of the lower rocker arm 402 to detect the rotation angle of the rocker 10 about the second axis. Thus, based on the rotation angles of the rocker 10 in various directions, not only the rotation direction of the rocker 10 but also the rotation angle of the rocker 10 in the rotational direction can be determined.

[0055] Since only two rotating parts are provided in this embodiment, a button 501 may be provided at the rotating shaft 403 where no rotating part is provided, such as Figure 1 、 Figure 2 、 Figure 3 As shown, one rotating shaft 403 of the lower rocker arm 402 is provided with a rotating part, and the other rotating shaft 403 is provided in the groove of the "concave" structure of the button 501; in other embodiments, the button 501 can be provided at one rotating shaft 403 of the upper rocker arm 401, that is, one rotating shaft 403 of the upper rocker arm 401 is provided with a rotating part, and the other rotating shaft 403 is provided in the groove of the "concave" structure of the button 501, thereby achieving the same function.

[0056] In one embodiment, each of the plurality of rotating shafts 403 is provided with a rotating portion in a direction close to the circuit board 20. Figure 1 、 Figure 2 、 Figure 3 As shown, the rocker device has four rotating shafts 403, wherein two rotating shafts 403 are provided by the upper rocker arm 401, and the other two rotating shafts 403 are provided by the lower rocker arm 402. The four rotating shafts 403 are respectively provided around the rocker arm structure. In this embodiment, each rotating shaft 403 is provided with a rotating portion. Correspondingly, the circuit board 20 is provided with four corresponding electrode assemblies 201, as shown in FIG. Figure 11 FIG. 4 is a schematic diagram of the circuit board structure of this embodiment. Four electrode plate assemblies 201 are provided on the first surface of the circuit board 20. The positions of the four electrode plate assemblies 201 correspond to the positions of the four metal sheets 406. In other words, in this embodiment, both rotating shafts 403 of the upper rocker arm 401 are provided with rotating portions to detect the rotation angle of the rocker 10 about the first axis, and both rotating shafts 403 of the lower rocker arm 402 are provided with rotating portions to detect the rotation angle of the rocker 10 about the second axis. Therefore, based on the rotation angles of the rocker 10 in various directions, not only the rotation direction of the rocker 10 can be determined, but also the rotation angle of the rocker 10 in the rotational direction. Furthermore, because this embodiment forms four target capacitors, the accuracy of angle measurement of the rocker 10 can be further improved.

[0057] In the embodiment of the present application, a metal sheet 406 and a plate assembly 201 are provided in the joystick device. The plate assembly 201 is coupled through the metal sheet 406 to form a target capacitance. When the joystick 10 rotates, the joystick 10 drives the rotating part to rotate through the rotating shaft 403, so that the relative area between the metal sheet 406 and the second plate 2012 changes, and the capacitance value of the target capacitance formed by the metal sheet 406 and the plate assembly 201 changes. That is, the capacitance value is different at different rotation angles. Therefore, the rotation direction and angle of the joystick 10 can be detected by the change in the capacitance value of the target capacitance. Compared with the sensor method of the related art, the present embodiment obtains the rotation direction and angle of the joystick 10 through the capacitance detection method, and can accurately determine the rotation direction and angle of the joystick 10 through the change in the capacitance value of the target capacitance, thereby improving the accuracy of the angle measurement of the joystick device. At the same time, the present embodiment does not require an additional sensor, saves the volume of the joystick device, and is more conducive to the miniaturization design of the joystick device.

[0058] Another embodiment of the present application relates to a rocker device, such as Figure 12 As shown in FIG. 1 , it is a schematic diagram of the exploded structure of the rocker device of this embodiment. Figure 13 , which is a schematic diagram of the partial structure of the rocker device of this embodiment; the rocker device of this embodiment includes: a rocker 10, a rocker arm structure (not marked in the figure), a processor (not marked in the figure), a circuit board 20, and an upper cover 30 covering the circuit board 20.

[0059] Specifically, an installation cavity is formed between the upper cover 30 and the circuit board 20, and a limiting hole 301 is provided on the side of the upper cover 30 away from the circuit board 20; the rocker arm structure (including an upper rocker arm 401 and a lower rocker arm 402) is arranged inside the installation cavity, one end of the rocker arm 10 is connected to the rocker arm structure, and the other end extends out of the upper cover 30 through the limiting hole 301; the rocker arm structure has multiple rotating shafts 403, at least one rotating shaft 403 is provided with a rotating part 410 along the direction close to the circuit board 20, and a metal sheet 406 is provided on the surface of the rotating part 410 close to the circuit board 20; a plate assembly is provided on the first surface of the circuit board 20 close to the rocker arm structure, which is arranged opposite to the metal sheet 406; the plate assembly includes a first plate and a second plate; when the rotating part 410 rotates with the rocker arm 10, the relative area of ​​the metal sheet 406 and the second plate changes.

[0060] The difference between the rocker device of this embodiment and the rocker device of the previous embodiment is that the rotating part of the previous embodiment includes an extension piece and a slider, while the rotating part 410 of this embodiment is an integrated structure. Other structures are roughly the same and will not be described here to avoid repetition.

[0061] Specifically, in this embodiment, the surface of the rotating portion 410 near the circuit board 20 is an arcuate surface. In practical applications, the rotating portion 410 is located on the upper rocker arm 401 as an example. When the rocker 10 drives the rotating portion 410 to rotate, the rotating portion 410 rotates along the first axis. Since the bottom surface of the rotating portion 410 is an arc-shaped structure, the equivalent distance between the metal sheet 406 on the bottom surface of the rotating portion 410 and the electrode assembly remains almost unchanged when the rotating portion 410 rotates. Only the relative area between the metal sheet 406 and the second electrode plate changes, thereby reducing the impact of distance on the target capacitance and improving detection accuracy. The rotation principle of the rotating portion 410 located on the lower rocker arm 402 is similar and will not be further described in this embodiment to avoid repetition.

[0062] In this embodiment, when the rotating portion 410 rotates along with the joystick 10, the equivalent distance between the metal sheet 406 and the electrode assembly remains almost unchanged regardless of the rotation angle of the joystick 10. This ensures that the change in the capacitance value of the target capacitor is only related to the relative areas of the metal sheet 406 and the electrode assembly, thereby improving the detection accuracy of the joystick 10.

[0063] Among them, the overlapping area of ​​the metal sheet 406 and the first electrode plate remains unchanged, and the relative area of ​​the metal sheet 406 and the two second electrode plates changes, and the area is linearly related to the displacement of the metal sheet 406. The relative area between one second electrode plate and the metal sheet 406 is recorded as S1, and the relative area between the other second electrode plate and the metal sheet 406 is recorded as S2. The target capacitance formed by the first electrode plate and the second electrode plate is recorded as C1, and the target capacitance formed by the first electrode plate and the other second electrode plate is recorded as C2. According to the circuit structure and the driving and detection principles of the chip, C1 / C2=S1 / S2 can be obtained, or (C1-C2) / (C1+C2) can be obtained by differential calculation. Therefore, the relationship between S1 and S2 can be obtained based on the obtained target capacitances C1 and C2, and the rotation direction and angle of the rocker 10 can be calculated. By this method, not only can the influence of the uncertainty of the spacing between the metal sheet 406 and the electrode assembly and the uncertainty of the dielectric constant be eliminated, but the accuracy of the angle measurement of the rocker 10 can also be further improved.

[0064] On the other hand, an embodiment of the present application further provides an electronic device, including: the above-mentioned joystick device.

[0065] The electronic device in this embodiment may be a game controller, a keyboard, a medical device, a drone, or the like.

[0066] The electronic device provided in this embodiment of the present invention includes the joystick device of the above embodiment. Therefore, it also has the technical effects provided by the above embodiment, which will not be described in detail here.

[0067] The above division of various components is only for clear description. During implementation, they can be combined into one component or some components can be split and decomposed into multiple components. As long as they include the same logical relationship, they are all within the protection scope of this embodiment.

[0068] Those skilled in the art will appreciate that the above embodiments are specific embodiments for implementing the present application, and that in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present application.

Claims

1. A rocker device, characterized in that: include: A rocker, a rocker arm structure, a processor, a circuit board, and an upper cover covering the circuit board; A mounting cavity is formed between the upper cover and the circuit board, and a limiting hole is provided on a side of the upper cover away from the circuit board; the rocker arm structure is disposed within the mounting cavity, one end of the rocker is connected to the rocker arm structure, and the other end extends out of the upper cover through the limiting hole; The rocker arm structure has a plurality of rotating shafts, at least one of which is provided with a rotating portion in a direction close to the circuit board, and a metal sheet is provided on a surface of the rotating portion close to the circuit board; a plate assembly is provided on a first surface of the circuit board, which is arranged opposite to the metal sheet, and the first surface is the surface of the circuit board close to the rocker arm structure; the processor is connected to the circuit board; the plate assembly includes a first plate and a second plate; when the rotating portion rotates with the rocker arm, the relative area between the metal sheet and the second plate changes; the relative area between the first plate and the metal sheet remains fixed; The electrode assembly further includes a grounding plate, wherein the grounding plate is disposed between the first electrode plate and the second electrode plate; The first electrode plate, the metal sheet, and the second electrode plate form a target capacitor; The processor is used to obtain the capacitance value of the target capacitor and determine the rotation direction and angle of the joystick according to the capacitance value.

2. The rocker device according to claim 1, characterized in that The rotating part includes an extension piece and a slider; The extension piece is arranged on the rotating shaft in a direction perpendicular to the first surface of the circuit board. A groove is formed on a surface of the sliding block close to the corresponding rotating shaft, and the extension piece is arranged in the groove.

3. The rocker device according to claim 1, characterized in that The surface of the rotating portion close to the circuit board is a curved surface.

4. The rocker device according to claim 1, characterized in that The rocker arm structure includes a lower rocker arm and an upper rocker arm covered by the lower rocker arm, wherein the upper rocker arm rotates along a first axis following the rocker bar, and the lower rocker arm rotates along a second axis following the rocker bar, and the first axis is perpendicular to the second axis; The upper rocker arm is provided with two rotating shafts along the first axis direction, and the lower rocker arm is provided with two rotating shafts along the second axis direction; A first sliding opening is provided on a side of the upper rocker arm close to the upper cover, a second sliding opening is provided on a side of the lower rocker arm close to the upper cover, positioning holes are provided on both side walls of the lower rocker arm perpendicular to the first surface, and a positioning piece is provided at one end of the rocker connected to the rocker arm structure that matches the positioning holes one by one; The rocker passes through the first sliding opening and the second sliding opening in sequence, so that the positioning member is assembled in the positioning hole.

5. The rocker device according to claim 1, characterized in that: The electrode assembly includes a plurality of second electrode plates; when the rotating portion rotates following the rocker, the relative area between the metal sheet and each of the second electrode plates changes; The first electrode plate, the metal sheet and each of the second electrode plates form a target capacitance; The processor is configured to obtain capacitance values ​​of the plurality of target capacitors, and determine a rotation direction and angle of the joystick according to the plurality of capacitance values.

6. The rocker device according to any one of claims 1 to 5, characterized in that: Among the plurality of rotating shafts, two rotating shafts are provided with the rotating portion, and the two rotating shafts rotate in different directions.

7. The rocker device according to any one of claims 1 to 5, characterized in that: Each of the plurality of rotating shafts is provided with a rotating portion along a direction close to the circuit board.

8. The rocker device according to claim 1, characterized in that The rocker device further comprises a button, and a pot piece is provided on a side of the button away from the upper cover; and a button area correspondingly connected to the pot piece is provided on the first surface of the circuit board.

9. An electronic device, characterized in that: Comprising the rocker device according to any one of claims 1 to 8.

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