Optical rocker potential device

Abstract

The invention discloses an optical rocker potential device which comprises a shell, a PCB and a rocker are installed in the shell, the rocker is installed in the shell through a rocker arm mechanism, a rocker reset mechanism is arranged at the lower end of the rocker, the rocker reset mechanism abuts against the upper surface of the PCB, two light-emitting elements are arranged on the PCB, and the two light-emitting elements are arranged in the shell. The two sides of the light-emitting element are each provided with a light-sensitive element for receiving light, and the two adjacent supporting shaft portions in the rocker arm mechanism are each provided with a light reflecting piece. Compared with the prior art, the invention has the advantages that: a non-contact mode is adopted by utilizing an optical principle, and the swinging direction of the rocker is judged through the matching of the light-emitting element and the light-sensitive element, so that the problems of accessory abrasion, breakage, poor contact and the like which are easily generated by a contact type potential adjusting module are avoided, and the stability of a product is enhanced; and the service life is also prolonged.

Description

Technical Field

[0001] The invention relates to an optical rocker, and in particular to an optical rocker potential device. Background Art

[0002] At present, the existing contact rocker potentiometer structure includes a housing, a rocker, a rocker mechanism and an adjustment potential module. The rocker outputs a steering action through the two shaft output ends of the rocker mechanism, and at the same time drives the conductive spring in the adjustment potential module in two directions to rotate, thereby changing the contact position of the conductive terminal on the conductive spring on the resistor, and then changing the output resistance value, thereby judging the swing direction of the rocker. For example, the utility model patent with the Chinese patent announcement number CN 217181930 U and the name "a small-volume rocker potentiometer" and the utility model patent with the Chinese patent announcement number CN 219534192 U and the name "a rocker potentiometer" are both contact rocker potentiometer structures. Since the adjustment potential module of the contact rocker potentiometer adopts a contact structure, after a period of use, it is easy to have problems such as wear, breakage, poor contact, etc. of accessories, thereby affecting the normal use and service life of the potentiometer. Therefore, the development of an optical rocker potentiometer device has become a problem to be solved by those skilled in the art. Summary of the invention

[0003] The present invention is to solve the above-mentioned shortcomings and provides an optical rocker potentiometer device.

[0004] The above-mentioned purpose of the present invention is achieved through the following technical scheme: an optical rocker potential device, comprising a shell, a PCB board and a rocker are installed in the shell, the rocker is installed in the shell through a rocker mechanism, a rocker reset mechanism is provided at the lower end of the rocker, the rocker reset mechanism is against the circuit-free area on the upper surface of the PCB board, two light-emitting elements are provided on the PCB board, and the light-emitting surface faces upward, a photosensitive element for receiving light is provided on each side of the light-emitting element, and the receiving surface faces upward, and two adjacent supporting shafts in the rocker mechanism are each provided with a reflector, and the reflective surface of the reflector faces the light-emitting surface of the light-emitting element under normal conditions.

[0005] Further, the rocker mechanism includes an X-direction rocker and a Y-direction rocker, the X-direction rocker is provided with a Z-direction give way channel in the middle part, and X-direction support shafts are provided on both sides, and Y-direction shaft holes are provided on both sides of the Z-direction give way channel, the rocker is provided with a Y-direction shaft end, and is installed in the Y-direction shaft hole so that the rocker can swing in the X-direction; the Y-direction rocker is provided with a Z-direction give way opening for the rocker to pass through, and Y-direction support shafts are provided at both ends of the Y-direction rocker, which are coaxial with the Y-direction shaft end on the rocker, and the X-direction support shaft and the Y-direction support shaft are installed in the support shaft holes on the shell.

[0006] Furthermore, the shell includes an upper shell and a lower shell, the top of the upper shell is provided with an opening; the side walls of the upper shell and the lower shell are provided with corresponding notches, and after the upper and lower shells are assembled, support shaft holes for installing the X-axis support shaft and the Y-axis support shaft are formed on the side walls.

[0007] Furthermore, the rocker reset mechanism includes a telescopic part and a spring, the bottom of the telescopic part includes a disc part and a guide column part, the bottom edge of the disc part is set to be rounded to ensure its smoothness during displacement, and a guide hole is provided at the center bottom of the rocker, the spring is sleeved on the outside of the guide column part and inserted into the guide hole together, the bottom of the spring abuts against the disc part, and the top of the spring abuts against the top inside the guide hole.

[0008] Furthermore, the optical rocker potentiometer device is provided with a housing, the PCB board, the rocker, the rocker arm mechanism and the rocker reset mechanism are all installed in the housing, and the PCB board is located at the bottom of the housing.

[0009] The advantages of the present invention compared with the prior art are: the present invention not only utilizes optical principles and adopts a non-contact method, but also determines the swing direction of the rocker through the cooperation of light-emitting elements and photosensitive elements, thereby avoiding the problems of accessory wear, breakage, poor contact, etc. that are prone to occur in contact-type potential adjustment modules, thereby enhancing the stability of the product and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the present invention.

[0011] Figure 2 It is a schematic diagram of the decomposition structure of the present invention.

[0012] Figure 3 It is a structural schematic diagram of the shell in the present invention.

[0013] Figure 4 It is a structural schematic diagram of the rocker arm mechanism in the present invention.

[0014] Figure 5 It is a schematic diagram of the exploded structure between the rocker reset mechanism and the rocker in the present invention.

[0015] Figure 6 It is a structural schematic diagram of the rocker reset mechanism and the rocker after being assembled in the present invention.

[0016] Figure 7 It is a schematic diagram of the rocker reset mechanism and the rocker assembly structure in the present invention.

[0017] Figure 8 It is a schematic diagram of the swing direction and principle of the rocker in the present invention. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0019] like Figure 1 , Figure 2 and Figure 3 As shown, an optical rocker potential device comprises a housing 1, a PCB board 2, a rocker 3 and a rocker mechanism 4, wherein the PCB board 2, the rocker 3, the rocker mechanism 4 and the rocker reset mechanism 5 are all installed in the housing 1, the PCB board 2 is located at the bottom of the housing 1, and the PCB board 2 is provided with a contact pin or a connecting line connected to a mainboard of an electronic device; a first light-emitting element 6 and a second light-emitting element 7 are provided on the PCB board 2, the first light-emitting element 6 and the second light-emitting element 7 are distributed in two directions on the PCB board, and on the same horizontal plane, the two light-emitting elements form an angle of 90 degrees with a line connecting the central axis of the rocker, the light-emitting surfaces of the first light-emitting element 6 and the second light-emitting element 7 face upward, a first photosensitive element 8 and a second photosensitive element 9 for receiving light from the first light-emitting element 6 are respectively provided on both sides of the first light-emitting element 6, and the receiving surfaces of the first photosensitive element 8 and the second photosensitive element 9 face upward, and a third photosensitive element 10 and a fourth photosensitive element 11 for receiving light from the second light-emitting element 7 are respectively provided on both sides of the second light-emitting element 7. The first light emitting element 6 and the second light emitting element 7 are infrared light emitting elements, and correspondingly, the first photosensitive element 8, the second photosensitive element 9, the third photosensitive element 10 and the fourth photosensitive element 11 are infrared photosensitive elements.

[0020] like Figure 4As shown, the rocker 3 is installed in the housing 1 through a rocker mechanism 4 and a rocker reset mechanism 5. The rocker mechanism 4 includes an X-axis rocker 401 and a Y-axis rocker 402. The X-axis rocker 401 is provided with a Z-axis clearance channel 403 in the middle, and a left X-axis support shaft 404 and a right X-axis support shaft 405 are provided on both sides. Y-axis holes 406 are provided on both sides of the Z-axis clearance channel 403. The rocker 3 is provided with a Y-axis end 301 and is installed in the Y-axis hole 406, so that the rocker 3 can swing in the X direction; the Y-axis rocker 402 is provided with a Z-axis clearance opening 407 for the rocker 3 to pass through, and the two ends of the Y-axis rocker 402 are provided with a left Y-axis support shaft 408 and a right Y-axis support shaft 409 coaxial with the Y-axis end 301 on the rocker 3; the housing 1 includes an upper shell 101 and The lower shell 102, the top of the upper shell 101 is provided with an opening 103 for the upper end of the rocker 3 to extend; the side walls of the upper shell 101 and the lower shell 102 are provided with corresponding notches 104, and a support shaft hole 105 is formed on the side wall after the upper shell 101 and the lower shell 102 are assembled, and the left X-axis support shaft portion 404, the right X-axis support shaft portion 405, the Y-axis support shaft portion 409 and the right Y-axis support shaft portion 409 are installed in the support shaft hole 105, and two adjacent support shaft portions are selected from the four support shaft portions of the X-axis rocker arm 401 and the Y-axis rocker arm 402 of the rocker arm mechanism 4 (the present invention selects the left X-axis support shaft portion 404 and the right Y-axis support shaft portion 409), and are respectively provided with a first reflector 410 and a second reflector 411, and the reflective surface of the reflector is facing the light-emitting surface of the corresponding light-emitting element under normal conditions.

[0021] like Figure 5 , Figure 6 and Figure 7As shown, the rocker 3 is provided with a rocker reset mechanism 5 at the lower end, and the rocker reset mechanism 5 includes a telescopic member 501 and a spring 502. The bottom of the telescopic member 501 includes a disc portion 503 and a guide column portion 504. The guide column portion 504 has a guide rod hole 507 at its center. The bottom edge of the disc portion 503 is set as a rounded corner 505 to ensure its smoothness during displacement. The rocker 3 is provided with a guide hole 506 at the center bottom, and a guide rod 508 is provided in the guide hole 506. The spring 502 is sleeved on the outside of the guide column 504 and inserted into the guide hole 506 together. At the same time, the guide rod 508 is also inserted into the guide rod hole 507. Through the cooperation of the guide rod 508 and the guide rod hole 507, the telescopic member 501 is more stable during the telescopic action. The bottom of the spring 502 abuts against the disc 503, and the top of the spring 502 abuts against the top of the guide hole 506. The bottom of the disc 503 of the rocker reset mechanism 5 abuts against the circuit-free area on the upper surface of the PCB board 2. Of course, the rocker reset mechanism 5 is not limited to the structure shown in this embodiment, and can also be other structural designs that can achieve rocker reset, such as directly fixing a reset spring between the lower end of the rocker 3 and the PCB board 2, and the upper and lower ends of the reset spring are respectively fixed to the lower end of the rocker 3 and the PCB board 2, or directly fixing a reset spring between the lower end of the rocker 3 and the bottom of the housing 1, and the upper and lower ends of the reset spring are respectively fixed to the lower end of the rocker 3 and the bottom of the housing 1, and the PCB board 2 is provided with a through hole for passing the spring to make way.

[0022] The working principle of the present invention is as follows: when the rocker 3 is shaken, the rocker 3 drives the X-axis rocker arm 401 and the Y-axis rocker arm 402 of the rocker arm mechanism 4 to make corresponding movements, thereby driving the X-axis support shaft 404 and the Y-axis support shaft 409 to rotate, and then driving the reflective surfaces of the first reflector 410 and the second reflector 411 to make corresponding tilting movements.

[0023] like Figure 8 As shown, the specific process of the rocker 2 swinging in any of the eight directions is as follows:

[0024] When the joystick 2 swings in the positive direction of the X-axis, the joystick only drives the Y-axis rocker arm 402 to swing, thereby driving the reflective surface at the bottom of the second reflector 411 to reflect the light of the second light-emitting element 7 to the third photosensitive element 10. The third photosensitive element 10 converts the light signal into a resistance value and transmits it to the single-chip microcomputer on the mainboard of the electronic device, thereby determining that the swing direction of the joystick 2 is the "positive direction of the X-axis".

[0025] When the joystick 2 swings in the negative direction of the X-axis, the joystick only drives the Y-axis rocker arm 402 to swing, thereby driving the reflective surface at the bottom of the second reflector 411 to reflect the light of the second light-emitting element 7 to the fourth photosensitive element 11. The fourth photosensitive element 11 converts the light signal into a resistance value and transmits it to the single-chip microcomputer on the mainboard of the electronic device, thereby judging that the swing direction of the joystick 2 is the "negative direction of the X-axis".

[0026] When the joystick 2 swings in the positive direction of the Y-axis, the joystick only drives the X-axis swing arm 401 to swing, thereby driving the reflective surface at the bottom of the first reflector 410 to reflect the light of the first light-emitting element 6 to the first photosensitive element 8. The first photosensitive element 8 converts the light signal into a resistance value and transmits it to the single-chip microcomputer on the mainboard of the electronic device, thereby determining that the swing direction of the joystick 2 is the "positive direction of the Y-axis".

[0027] When the joystick 2 swings in the negative direction of the Y axis, the joystick only drives the X-axis swing arm 401 to swing, thereby driving the reflective surface at the bottom of the first reflector 410 to reflect the light of the first light-emitting element 6 to the second photosensitive element 9. The second photosensitive element 9 converts the light signal into a resistance value and transmits it to the single-chip microcomputer on the mainboard of the electronic device, thereby determining that the swing direction of the joystick 2 is the "negative direction of the Y axis".

[0028] When the joystick 2 swings between the positive direction of the X-axis and the positive direction of the Y-axis, the joystick drives the X-axis swing arm 401 and the Y-axis swing arm 402 to swing at the same time, thereby driving the reflective surface at the bottom of the first reflector 410 to reflect the light of the first light-emitting element 6 to the first photosensitive element 8, and at the same time drives the reflective surface at the bottom of the second reflector 411 to reflect the light of the second light-emitting element 7 to the third photosensitive element 10. The first photosensitive element 8 and the third photosensitive element 10 simultaneously convert the light signal into a resistance value and transmit it to the single chip microcomputer on the mainboard of the electronic device, thereby judging that the swing direction of the joystick 2 is "between the positive direction of the X-axis and the positive direction of the Y-axis".

[0029] When the joystick 2 swings between the positive direction of the X-axis and the negative direction of the Y-axis, the joystick drives the X-axis rocker arm 401 and the Y-axis rocker arm 402 to swing at the same time, thereby driving the reflective surface at the bottom of the first reflector 410 to reflect the light of the first light-emitting element 6 to the second photosensitive element 9, and at the same time drives the reflective surface at the bottom of the second reflector 411 to reflect the light of the second light-emitting element 7 to the third photosensitive element 10. The second photosensitive element 9 and the third photosensitive element 10 simultaneously convert the light signal into a resistance value and transmit it to the single chip microcomputer on the mainboard of the electronic device, thereby judging that the swing direction of the joystick 2 is "between the positive direction of the X-axis and the negative direction of the Y-axis".

[0030] When the joystick 2 swings between the negative direction of the X-axis and the negative direction of the Y-axis, the joystick drives the X-axis swing arm 401 and the Y-axis swing arm 402 to swing at the same time, thereby driving the reflective surface at the bottom of the first reflector 410 to reflect the light of the first light-emitting element 6 to the second photosensitive element 9, and at the same time drives the reflective surface at the bottom of the second reflector 411 to reflect the light of the second light-emitting element 7 to the fourth photosensitive element 11. The second photosensitive element 9 and the fourth photosensitive element 11 simultaneously convert the light signal into a resistance value and transmit it to the single chip microcomputer on the mainboard of the electronic device, thereby judging that the swing direction of the joystick 2 is "between the negative direction of the X-axis and the negative direction of the Y-axis".

[0031] When the joystick 2 swings between the negative direction of the X-axis and the positive direction of the Y-axis, the joystick drives the X-axis swing arm 401 and the Y-axis swing arm 402 to swing at the same time, thereby driving the reflective surface at the bottom of the first reflector 410 to reflect the light of the first light-emitting element 6 to the first photosensitive element 8, and at the same time drives the reflective surface at the bottom of the second reflector 411 to reflect the light of the second light-emitting element 7 to the fourth photosensitive element 11. The first photosensitive element 8 and the fourth photosensitive element 11 simultaneously convert the light signal into a resistance value and transmit it to the single chip microcomputer on the mainboard of the electronic device, thereby judging that the swing direction of the joystick 2 is "between the negative direction of the X-axis and the positive direction of the Y-axis".

[0032] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An optical rocker potentiometer device, comprising a housing, a PCB board and a rocker are installed in the housing, the rocker is installed in the housing through a rocker mechanism, a rocker reset mechanism is provided at the lower end of the rocker, and the rocker reset mechanism is against the upper surface of the PCB board, characterized in that: The PCB board is provided with two light emitting elements, and a photosensitive element for receiving light is provided on each side of the light emitting element. Two adjacent supporting shafts in the rocker arm mechanism are each provided with a reflector.

2. An optical rocker potentiometer device according to claim 1, characterized in that: The rocker mechanism comprises an X-direction rocker and a Y-direction rocker. A Z-direction clearance channel is provided in the middle of the X-direction rocker, and X-direction support shaft portions are provided on both sides. Y-direction shaft holes are provided on both sides of the Z-direction clearance channel. A Y-direction shaft end is provided on the rocker and installed in the Y-direction shaft hole so that the rocker can swing in the X direction. The Y-direction rocker is provided with a Z-direction clearance opening for the rocker to pass through, and Y-direction support shaft portions coaxial with the Y-direction shaft end on the rocker are provided at both ends of the Y-direction rocker. The X-direction support shaft portion and the Y-direction support shaft portion are installed in the support shaft holes on the housing.

3. An optical rocker potentiometer device according to claim 1 or 2, characterized in that: The shell comprises an upper shell and a lower shell, the top of the upper shell is provided with an opening; the side walls of the upper shell and the lower shell are provided with corresponding notches, and after the upper and lower shells are assembled, support shaft holes for installing the X-axis support shaft and the Y-axis support shaft are formed on the side walls.

4. The optical rocker potentiometer device according to claim 1, characterized in that: The rocker reset mechanism includes a telescopic part and a spring. The bottom of the telescopic part includes a disc part and a guide column part. The bottom edge of the disc part is set to a rounded corner to ensure its smoothness during displacement. A guide hole is provided at the center bottom of the rocker. The spring is sleeved on the outside of the guide column part and inserted into the guide hole together. The bottom of the spring abuts against the disc part, and the top of the spring abuts against the top inside the guide hole.

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