Optical ranging potential module and optical potentiometer using same

Abstract

The utility model discloses an optical ranging potential module and an optical potentiometer using the same, comprising a housing, the inner side of the housing is provided with a groove, the central point of the groove is provided with a cam, the groove at one side of the cam is internally provided with a ranging module and a first magnetic element capable of translating in the groove, and the first magnetic element is provided with a reflecting surface. The distance measuring module is fixed on the side wall of the groove, and the working surface of the distance measuring module faces the reflecting surface of the first magnetic element; a second magnetic attraction element capable of attracting the first magnetic attraction element is installed in a groove in the other side of the cam, and under the action of the second magnetic attraction element, the first magnetic attraction element can keep making contact with the cam. The optical potentiometer comprises a potentiometer main body and the optical ranging potential module. Compared with the prior art, the distance measuring module has the advantages that the measuring precision and stability of the distance measuring module are improved by arranging the translation reflecting surface perpendicular to the distance measuring light. And meanwhile, the function of adjusting the damping magnitude is achieved.

Description

Technical Field

[0001] The utility model relates to a potential module, in particular to an optical distance measuring potential module and an optical potentiometer applied thereto. Background Art

[0002] Currently, traditional mechanical potentiometers are gradually being replaced by optical potentiometers. For example, Chinese patent publication number CN216353622 U, entitled "Non-contact Optical Remote Sensing Potentiometer," discloses a non-contact optical remote sensing potentiometer comprising a push-button optical switch module, a non-contact optical rocker, and a non-contact optical potentiometer module. The push-button optical switch module is provided on one side of the non-contact optical rocker. A non-contact optical potentiometer module is provided on each of the two connected sides of the non-contact optical rocker. The non-contact optical potentiometer module detects the rotation of the rocker arm assembly of the non-contact optical rocker. The push-button optical switch module is connected to and controls the opening and closing of the switch. The non-contact optical potentiometer module comprises a cam photoreceptor, a light shield, and a light sensor. The cam photoreceptor is mounted on the rocker arm assembly of the non-contact optical rocker. The light shield covers the outside of the cam photoreceptor and is connected to the outer wall of the non-contact optical rocker. A light sensor is provided below the cam photoreceptor. In this structure, the light reflecting surface of the cam photoreceptor is tilted relative to the light sensor, and the tilt changes continuously with the swing of the potentiometer rocker. In the narrow space inside the non-contact optical potentiometer module, it is very easy for light to be reflected by other objects and then enter the light sensor, such as Figure 17 As shown, this seriously affects the stability and accuracy of the measurement. At the same time, existing optical potentiometers cannot achieve rocker damping adjustment using a non-contact optical potentiometer module. Therefore, developing an optical ranging potentiometer module has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0003] In order to solve the above-mentioned deficiencies, the utility model provides an optical ranging potential module and an optical potentiometer applied thereto.

[0004] The above-mentioned object of the present utility model is achieved through the following technical solutions: an optical ranging potential module, comprising a cover, a groove is provided on the inner side of the cover, a cam is provided at the center point of the groove, a ranging module and a first magnetic element capable of translating in the groove are provided in the groove on one side of the cam, the first magnetic element is provided with a reflecting surface, the ranging module is fixed on the side wall of the groove, the working surface of the ranging module faces the reflecting surface of the first magnetic element, and the light emitted from the working surface of the ranging module is perpendicular to the reflecting surface; a second magnetic element capable of attracting the first magnetic element is installed in the groove on the other side of the cam, and under the action of the second magnetic element, the first magnetic element can maintain contact with the cam.

[0005] In a possible implementation, the distance measurement module is an infrared distance measurement module or a laser distance measurement module.

[0006] In a possible embodiment, a guide rail is provided in the groove, and the first magnetic element and the second magnetic element are mounted on the guide rail and can slide on the guide rail.

[0007] In a possible embodiment, the second magnetic element is a magnet with a threaded opening provided on the magnet, and an adjusting screw is provided on the cover, with one end of the adjusting screw connected to a manual knob or an electric knob.

[0008] In a possible implementation, the second magnetic attraction element is an electromagnet.

[0009] In a possible implementation, the first magnetic element is a magnet, and its opposite surface to the second magnetic element has opposite poles.

[0010] In a possible implementation, the first magnetic element is an iron sheet.

[0011] The utility model also provides an optical potentiometer, comprising a potentiometer body and the optical distance measuring potentiometer module described in any one of the above items.

[0012] Furthermore, the potentiometer body includes a shell, a rocker mechanism and a rocker arm. The rocker mechanism includes an X-direction rocker arm and a Y-direction rocker arm. A Z-direction give way channel is provided in the middle of the X-direction rocker arm, and X-direction support shaft portions are provided on both sides. Y-direction shaft holes are provided on both sides of the Z-direction give way channel. A Y-direction shaft end is provided on the rocker arm and is installed in the Y-direction shaft hole so that the rocker arm can swing in the X direction; the Y-direction rocker arm is provided with a Z-direction give way opening for the rocker to pass through, and Y-direction support shaft portions are provided at both ends of the Y-direction rocker arm, which are coaxial with the Y-direction shaft end on the rocker arm. The X-direction support shaft portion and the Y-direction support shaft portion are installed in the support shaft hole on the shell; the optical ranging potentiometer modules are installed on two adjacent side walls of the shell, and the cams of the two optical ranging potentiometer modules are respectively connected to the X-direction support shaft portion and the Y-direction support shaft portion.

[0013] The advantages of this utility model over existing technologies are as follows: The light-reflecting surface of the cam photoreceptor in the non-contact optical potentiometer module of existing optical ranging potentiometers is tilted relative to the light sensor, and this tilt changes continuously as the potentiometer rocker swings. This can easily cause light to reflect multiple times before entering the light sensor, thus affecting measurement accuracy and stability. This utility model effectively solves this technical problem by providing a translational reflective surface perpendicular to the ranging light, improving the measurement accuracy and stability of the ranging module. Furthermore, it also provides the ability to adjust the damping level. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic structural diagram of one side of the first embodiment of the present utility model.

[0015] Figure 2 It is a structural schematic diagram of the other side of the first embodiment of the utility model.

[0016] Figure 3 It is a top view of the present utility model.

[0017] Figure 4 yes Figure 3 Cross-sectional view at AA in the middle.

[0018] Figure 5 It is a schematic structural diagram of one side of the first embodiment of the present utility model.

[0019] Figure 6 It is a structural schematic diagram of the other side of the first embodiment of the utility model.

[0020] Figure 7 It is a top view of the present utility model.

[0021] Figure 8 yes Figure 7 Cross-sectional view at the middle BB.

[0022] Figure 9 It is a schematic structural diagram of one side of the first embodiment of the present utility model.

[0023] Figure 10 It is a structural schematic diagram of the other side of the first embodiment of the utility model.

[0024] Figure 11 It is a top view of the present utility model.

[0025] Figure 12 yes Figure 11 Cross-sectional view at CC.

[0026] Figure 13 1 is a structural diagram of a rocker potentiometer of a fourth embodiment (equipped with the optical ranging potentiometer module of the first embodiment).

[0027] Figure 14 1 is a schematic structural diagram of a rocker potentiometer of a fourth embodiment (equipped with the optical ranging potentiometer module of the second embodiment).

[0028] Figure 15 1 is a schematic structural diagram of a rocker potentiometer of a fourth embodiment (equipped with the optical ranging potentiometer module of the third embodiment).

[0029] Figure 16 It is a schematic diagram of the exploded structure of the rocker arm mechanism in the fourth embodiment.

[0030] Figure 17The present invention is a schematic diagram of the light reflection path of the existing non-contact optical remote sensing potentiometer cam photoreceptor. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] Example 1: Figures 1 to 4 As shown, an optical ranging potential module includes a cover 1, a groove 2 is provided on the inner side of the cover 1, a guide rail 3 is provided in the groove 2, a cam 4 is provided at the center point of the groove 2, a ranging module 5 and a first magnetic element 6 that can translate in the groove 2 are provided in the groove 2 on one side of the cam 4, the first magnetic element 6 is installed on the guide rail 3 and can slide on the guide rail 3, the first magnetic element 6 is provided with a reflecting surface, the ranging module 5 is fixed on the side wall of the groove 2, the working surface of the ranging module 5 faces the reflecting surface of the first magnetic element 6, the light emitted from the working surface of the ranging module 5 is perpendicular to the reflecting surface, and the ranging module 5 is an infrared ranging module or a laser ranging module; a second magnetic element 7 that can be attracted to the first magnetic element 6 is installed in the groove 2 on the other side of the cam 4, the second magnetic element 7 is installed on the guide rail 3 and can slide on the guide rail 3, under the action of the second magnetic element 7, the first magnetic element 6 can maintain contact with the cam 4. The second magnetic element 7 is a magnet with a threaded opening 8. The housing 1 is provided with an adjustment screw 9, one end of which is connected to a manual knob 10. The first magnetic element 6 is a magnet (with an opposite pole to the second magnetic element 7) or an iron sheet.

[0033] The working principle of this embodiment is as follows:

[0034] During operation, the distance measuring module 5 outputs different voltage signals according to the change of the distance between the first magnetic element 6 and the distance measuring module 5 , and transmits these voltage signals to the corresponding single chip microcomputer for processing.

[0035] When the adjustment screw 9 is connected to a manual knob 10, the manual knob 10 drives the adjustment screw 9 to adjust the relative distance between the second magnetic element 7 (magnet) and the first magnetic element 6 (magnet or iron sheet). When the second magnetic element 7 is closer to the first magnetic element 6, the attraction between them increases, requiring the cam 4 to exert greater force to push the first magnetic element 6. Conversely, the attraction decreases, and the required pushing force of the cam 4 becomes smaller. This is how the rocker damping of the rocker potentiometer equipped with the present invention is adjusted.

[0036] Example 2: Figures 5 to 8As shown, an optical ranging potential module includes a cover 1, a groove 2 is provided on the inner side of the cover 1, a guide rail 3 is provided in the groove 2, a cam 4 is provided at the center point of the groove 2, a ranging module 5 and a first magnetic element 6 that can translate in the groove 2 are provided in the groove 2 on one side of the cam 4, the first magnetic element 6 is installed on the guide rail 3 and can slide on the guide rail 3, the first magnetic element 6 is provided with a reflecting surface, the ranging module 5 is fixed on the side wall of the groove 2, the working surface of the ranging module 5 faces the reflecting surface of the first magnetic element 6, the light emitted from the working surface of the ranging module 5 is perpendicular to the reflecting surface, and the ranging module 5 is an infrared ranging module or a laser ranging module; a second magnetic element 7 that can be attracted to the first magnetic element 6 is installed in the groove 2 on the other side of the cam 4, the second magnetic element 7 is installed on the guide rail 3 and can slide on the guide rail 3, under the action of the second magnetic element 7, the first magnetic element 6 can maintain contact with the cam 4. The second magnetic element 7 is a magnet with a threaded opening 8. The housing 1 is provided with an adjustment screw 9, one end of which is connected to an electric knob 11. The electric knob 11 is connected to the PCB board and can be driven by a motor 12 controlled by a function key or program setting. The first magnetic element 6 is a magnet (with an opposite pole to the second magnetic element 7) or an iron sheet.

[0037] The working principle of this embodiment is as follows:

[0038] During operation, the distance measuring module 5 outputs different voltage signals according to the change of the distance between the first magnetic element 6 and the distance measuring module 5 , and transmits these voltage signals to the corresponding single chip microcomputer for processing.

[0039] When the adjustment screw 9 is connected to the electric knob 11, the motor 12 drives the adjustment screw 9 to adjust the relative distance between the second magnetic element 7 (magnet) and the first magnetic element 6 (magnet or iron sheet). When the second magnetic element 7 is closer to the first magnetic element 6, the attraction between them increases, requiring the cam 4 to exert greater force to push against the first magnetic element 6. Conversely, the attraction decreases, and the required pushing force from the cam 4 becomes smaller. This is how the rocker damping of the rocker potentiometer can be adjusted. This is how the rocker damping of the rocker potentiometer equipped with the present invention can be adjusted.

[0040] Example 3: Figures 9 to 12As shown, an optical distance measuring potentiometer module comprises a housing 1, a recess 2 is arranged inside the housing 1, a guide rail 3 is arranged in the recess 2, a cam 4 is arranged at the center point of the recess 2, a distance measuring module 5 and a first magnetic attraction element 6 capable of translating in the recess 2 are arranged in the recess 2 on one side of the cam 4, the first magnetic attraction element 6 is installed on the guide rail 3 and can slide on the guide rail 3, the first magnetic attraction element 6 is provided with a reflecting surface, the distance measuring module 5 is fixed on the side wall of the recess 2, the working surface of the distance measuring module 5 faces the reflecting surface of the first magnetic attraction element 6, the light emitted by the working surface of the distance measuring module 5 is perpendicular to the reflecting surface, the distance measuring module 5 is an infrared distance measuring module or a laser distance measuring module; a second magnetic attraction element 7 capable of attracting the first magnetic attraction element 6 is arranged in the recess 2 on the other side of the cam 4, the second magnetic attraction element 7 is installed on the guide rail 3 and can slide on the guide rail 3, under the action of the second magnetic attraction element 7, the first magnetic attraction element 6 can keep in contact with the cam 4, the second magnetic attraction element 7 is an electromagnet, by adjusting the magnetic force of the electromagnet, the damping size when the cam 4 rotates is adjusted, the first magnetic attraction element 6 is a magnet (the opposite surface of the second magnetic attraction element 7 is of opposite polarity) or an iron sheet.

[0041] The working principle of the embodiment is as follows:

[0042] When working, the distance measuring module 5 outputs different voltage signals according to the change of the distance between the first magnetic attraction element 6 and the distance measuring module 5, and transmits these voltage signals to the corresponding single-chip microcomputer for processing.

[0043] By controlling the current size of the second magnetic attraction element 7 (electromagnet) through the control circuit of the host (such as a gamepad) of the potentiometer, the suction force of the second magnetic attraction element 7 (electromagnet) can be adjusted, when the current of the second magnetic attraction element 7 (electromagnet) increases, the magnetic field is enhanced, the magnetic force is increased, the suction force between the second magnetic attraction element 7 (electromagnet) and the first magnetic attraction element 6 is increased, so that the cam 4 needs to exert a greater force to push the first magnetic attraction element 6, on the contrary, the suction force is reduced, and the pushing force of the cam 4 is smaller. In this way, the size of the rocker damping of the rocker potentiometer is adjusted.

[0044] Embodiment 4: as Figures 13 to 16As shown, an optical potentiometer includes a potentiometer body 100 and the optical ranging potentiometer module M described in any one of Examples 1-3. The potentiometer body 100 includes a housing 101, a rocker mechanism, and a rocker 102. The housing 101 is in a cubic shape. The rocker mechanism includes an X-axis rocker 103 and a Y-axis rocker 104. The X-axis rocker 103 has a Z-axis clearance channel 105 in the middle and X-axis support shafts 106 on both sides. Y-axis holes 107 are provided on both sides of the Z-axis clearance channel 105. The rocker 102 has a Y-axis end 108 installed in the Y-axis hole 107, so that the rocker 102 can swing in the X direction. ; The Y-axis rocker arm 104 is provided with a Z-axis clearance opening 109 for the rocker 102 to pass through, and both ends of the Y-axis rocker arm 104 are provided with Y-axis support shaft portions 110 that are coaxial with the Y-axis shaft end 108 on the rocker 102, and the X-axis support shaft portion 106 and the Y-axis support shaft portion 110 are installed in the support shaft hole 111 on the shell 101; the two adjacent side walls on the shell 101 are both installed and fixed with the optical ranging potential module M, and the structure of the optical ranging potential module M is as described in any one of Examples 1-4, and the cams 4 of the two optical ranging potential modules M are respectively connected to the X-axis support shaft portion 106 and the Y-axis support shaft portion 110.

[0045] The working principle of this embodiment is as follows:

[0046] During operation, the potentiometer rocker 102 swings, driving the X-axis support shaft 106 and Y-axis support shaft 110 of the rocker mechanism to rotate, thereby driving the cams 4 on both sides to rotate. The cams 4 push the distance between the first magnetic element 6 and the distance measurement module 5, causing the distance between the first magnetic element 6 and the distance measurement module 5 to change. The microcontroller on the PCB comprehensively analyzes and determines the specific movement and posture of the potentiometer rocker 102 based on the distance data received by the distance measurement modules 5 on both sides. At the same time, the damping level of the optical distance measurement potentiometer modules M on both sides can be adjusted (see the working principles of Examples 1, 2, and 3), thereby affecting the damping feel of the potentiometer rocker 102.

[0047] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, 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 ranging potential module, comprising a housing, characterized in that: A groove is provided on the inner side of the cover shell, and a cam is provided at the center point of the groove. A ranging module and a first magnetic element that can translate in the groove are provided in the groove on one side of the cam. The first magnetic element is provided with a reflecting surface. The ranging module is fixed on the side wall of the groove. The working surface of the ranging module faces the reflecting surface of the first magnetic element. The light emitted from the working surface of the ranging module is perpendicular to the reflecting surface. A second magnetic element that can attract the first magnetic element is installed in the groove on the other side of the cam. Under the action of the second magnetic element, the first magnetic element can maintain contact with the cam.

2. The optical ranging potential module according to claim 1, characterized in that: The distance measuring module is an infrared distance measuring module or a laser distance measuring module.

3. The optical ranging potential module according to claim 1, characterized in that: A guide rail is provided in the groove, and the first magnetic element and the second magnetic element are installed on the guide rail and can slide on the guide rail.

4. The optical ranging potential module according to claim 1, characterized in that: The second magnetic attraction element is a magnet with a threaded opening. The cover is provided with an adjusting screw, one end of which is connected to a manual knob or an electric knob.

5. The optical ranging potential module according to claim 1, characterized in that: The second magnetic attraction element is an electromagnet.

6. The optical ranging potential module according to claim 1, characterized in that: The first magnetic attraction element is a magnet, and the opposite surface of the first magnetic attraction element and the second magnetic attraction element have opposite poles.

7. The optical ranging potential module according to claim 1, characterized in that: The first magnetic attraction element is an iron sheet.

8. An optical potentiometer, characterized in that: The device comprises a potentiometer body and the optical ranging potentiometer module as claimed in any one of claims 1 to 7.

9. An optical potentiometer according to claim 8, characterized in that: The potentiometer body includes a housing, a rocker mechanism and a rocker arm. The rocker mechanism includes an X-direction rocker arm and a Y-direction rocker arm. A Z-direction clearance channel is provided in the middle of the X-direction rocker arm, 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 arm and is installed in the Y-direction shaft hole so that the rocker arm can swing in the X direction; the Y-direction rocker arm is provided with a Z-direction clearance opening for allowing the rocker to pass through, and Y-direction support shaft portions are provided at both ends of the Y-direction rocker arm, which are coaxial with the Y-direction shaft end on the rocker arm. The X-direction support shaft portion and the Y-direction support shaft portion are installed in the support shaft hole on the housing; the optical ranging potentiometer modules are installed on two adjacent side walls of the housing, and the cams of the two optical ranging potentiometer modules are respectively connected to the X-direction support shaft portion and the Y-direction support shaft portion.

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