CN219301649U

CN219301649U - Optical rotating shaft device and modularized packaging structure thereof

Info

Publication number: CN219301649U
Application number: CN202320805314.3U
Authority: CN
Inventors: 涂星
Original assignee: Shenzhen Yisen Technology Co ltd
Current assignee: Shenzhen Yisen Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-07-04
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses an optical rotating shaft device and a modularized packaging structure thereof, wherein the optical rotating shaft device comprises a rotating shaft, at least one rotating disc is arranged on the rotating shaft, a plurality of groups of light holes uniformly distributed on the rotating disc in the circumferential direction are arranged on the rotating disc, a shading part is arranged between every two adjacent groups of light holes, each group of light holes comprises a wide hole and a narrow hole, and a light emitting element and a photosensitive element are respectively arranged on the upper side and the lower side of the rotating disc. The modularized packaging structure of the optical rotating shaft device comprises the optical rotating shaft device and a shell. Compared with the prior art, the utility model has the advantages that: the optical rotating shaft device and the modularized packaging structure can realize free rotation without limit in the clockwise direction or the anticlockwise direction, avoid damage to the encoder caused by excessive force and avoid resetting, and meanwhile, the optical rotating shaft device and the modularized packaging structure have the advantages of simple and ingenious structural design, fewer component parts, low failure rate and low application cost.

Description

Optical rotating shaft device and modularized packaging structure thereof

Technical Field

The present disclosure relates to optical rotating shafts, and particularly to an optical rotating shaft device and a modularized packaging structure thereof.

Background

An optical rotary shaft encoder is a sensor that converts mechanical geometric displacement on an output shaft into pulses or digital quantities by photoelectric conversion. At present, part of rotary shaft encoders on the market need to be reset after each turn, and the rotary shaft encoder also has a clockwise limit position and a anticlockwise limit position, so that the rotary shaft encoder is easy to damage when the force is applied too hard. Meanwhile, the structure of the optical rotating shaft assembly for the conventional optical encoder is relatively complex, the components are more, the assembly is troublesome, the cost for applying the optical rotating shaft assembly to the optical encoder and the game steering wheel is relatively high, and the probability of faults is correspondingly increased due to the more components. Therefore, developing an optical rotation shaft device and a modularized packaging structure thereof is a problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to solve the defects and provides an optical rotating shaft device and a modularized packaging structure thereof.

The above object of the present utility model is achieved by the following technical solutions: the utility model provides an optical rotating shaft device, includes the pivot, be equipped with at least one carousel in the pivot, be equipped with on the carousel in the multiunit light trap group of carousel on circumferencial direction evenly distributed, be equipped with the shading portion between the adjacent light trap group, every group light trap group includes a wide hole and a narrow hole, both sides are equipped with light emitting component and photosensitive element respectively about the carousel.

Further, the light paths of the light emitting element and the photosensitive element are perpendicular to the turntable, and when the light hole group passes through the light path, light can pass through the light hole group.

Further, the shape of the wide hole and the narrow hole is any one of rectangle, sector, trapezoid, circle and ellipse, and can also be other shapes.

The utility model provides a modularization packaging structure of optics pivot device, includes optics pivot device to and a casing is equipped with the PCB board in the casing, pivot and carousel of optics pivot device can freely rotate in the casing assembly, and the pivot extends outside the casing, light emitting component and photosensitive element are connected with the PCB board.

Compared with the prior art, the utility model has the advantages that: the optical rotating shaft device and the modularized packaging structure can realize free rotation without limit in the clockwise direction or the anticlockwise direction, avoid damage to the encoder caused by excessive force and avoid resetting, and meanwhile, the optical rotating shaft device and the modularized packaging structure have the advantages of simple and ingenious structural design, fewer component parts, low failure rate and low application cost.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of an optical rotation shaft device.

Fig. 2 is a schematic structural view of a rotor in the first embodiment of the optical spindle apparatus.

Fig. 3 is a schematic structural view of a second embodiment of the optical rotation shaft device.

Fig. 4 is a schematic structural view of a rotor in a second embodiment of the optical spindle apparatus.

Fig. 5 is a schematic structural view of an embodiment of the modular packaging structure of the present utility model.

FIG. 6 shows the present utility model

A schematic structural view of another embodiment of the modular packaging structure.

Detailed Description

The utility model is further described in detail below with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and fig. 2, an optical rotation shaft device includes a rotation shaft 1, a turntable 2 (in other embodiments, two, three or four turntable 2 or even more turntable 2 are also provided) is provided on the rotation shaft 1, a plurality of groups of light-transmitting hole groups 3 uniformly distributed on the turntable 2 in a circumferential direction are provided on the turntable 2, a light shielding portion 4 is provided between adjacent light-transmitting hole groups 3, each group of light-transmitting hole groups 3 includes a wide hole 301 and a narrow hole 302, in this embodiment, the shape of the wide hole 301 and the narrow hole 302 is trapezoid (in other embodiments, any shape such as rectangle, fan, trapezoid, circle or ellipse is also provided), a spacing distance L1 between the wide hole 301 and the narrow hole 302 is smaller than a spacing distance L2 between adjacent light-transmitting hole groups 3, a light-emitting element 5 and a light-sensitive element 6 are respectively provided on an upper side and a lower side of the turntable 2, and a light path of the light-emitting element 5 and the light-sensitive element 6 is perpendicular to the turntable 2, and when the light-transmitting hole groups 3 pass through the light-transmitting hole groups 3.

The working principle of the embodiment is as follows: when the rotating shaft 1 rotates, the rotating disc 2 is driven to rotate, the light quantity received by the photosensitive element 6 continuously forms the light quantity change of more and less (the wide hole 301 passes through firstly, the narrow hole 302 passes through secondly) or more and less (the narrow hole 302 passes through firstly, the wide hole 301 passes through secondly) under the action of the light-transmitting hole group 3, and the photosensitive element 6 transmits signals to the singlechip of the PCB, so that the singlechip on the PCB is analyzed and judged to turn to anticlockwise or clockwise. Such as: the "wide aperture 301 passes first, the narrow aperture 302 passes second", the light quantity received by the photosensor 6 is more and less, this is anticlockwise, the "narrow aperture 302 passes first, the wide aperture 301 passes second", the light quantity received by the photosensor 6 is more and less, this is clockwise. Meanwhile, through the shading parts 4 between the adjacent light hole groups 3, the singlechip can identify the starting position of each group of light hole groups 3 through the signal feedback of the photosensitive element 6, and the misjudgment of the direction can not be caused. The steering of the utility model is not limited by the limit position and can rotate infinitely.

Example 2: as shown in fig. 3 and fig. 4, an optical rotating shaft device includes a rotating shaft 1, four rotating discs 2 are disposed on the rotating shaft 1, a plurality of groups of light-transmitting hole groups 3 (three groups of light-transmitting hole groups 3 are shown in the drawing) which are distributed on a quarter circumference of the rotating disc 2 in a circumferential direction are disposed on each rotating disc 2, a light shielding portion 4 is disposed between the adjacent light-transmitting hole groups 3, each group of light-transmitting hole groups 3 includes a wide hole 301 and a narrow hole 302, in this embodiment, the shapes of the wide hole 301 and the narrow hole 302 are fan-shaped, an interval distance L1 between the wide hole 301 and the narrow hole 302 is smaller than an interval distance L2 between the adjacent light-transmitting hole groups 3, and the light-transmitting hole groups 3 on each rotating disc 2 are staggered with each other, so that a complete circumference can be uniformly distributed in a top view (in other embodiments, two rotating discs 2 or three rotating discs 2 can be staggered, after combination, the light-transmitting hole groups 3 on each rotating disc 2 can be uniformly distributed on a circumference), light-emitting element 5 and a light-transmitting element 6 can be disposed on the upper side and lower sides of the rotating disc 2 respectively, and the light-transmitting element can pass through the light-transmitting element 6 and the light-transmitting element 3 when passing through the light-transmitting element 3.

The working principle of the embodiment is as follows: when the rotating shaft 1 rotates, the four rotating discs 2 are driven to rotate simultaneously, when light passes through the light hole group 3 on any rotating disc 2, the corresponding photosensitive element 6 receives the light, and the received light quantity continuously forms the change of the light quantity of more light before less light (the wide hole 301 passes through firstly, the narrow hole 302 passes through secondly) or more light (the narrow hole 302 passes through firstly, the wide hole 301 passes through secondly) under the action of the light hole group 3 (one wide hole is one narrow hole), and the photosensitive element 6 transmits signals to the singlechip of the PCB, so that the singlechip on the PCB is analyzed and judged to turn to anticlockwise or clockwise. Such as: the "wide aperture 301 passes first, the narrow aperture 302 passes second", the light quantity received by the photosensor 6 is more and less, this is anticlockwise, the "narrow aperture 302 passes first, the wide aperture 301 passes second", the light quantity received by the photosensor 6 is more and less, this is clockwise. Meanwhile, through the shading parts 4 between the adjacent light hole groups 3, the singlechip can identify the starting position of each group of light hole groups 3 through the signal feedback of the photosensitive element 6, and the misjudgment of the direction can not be caused. The steering of the utility model is not limited by the limit position and can rotate infinitely.

Example 3: as shown in fig. 5 and 6, a modular packaging structure of an optical rotation shaft device includes: the optical rotating shaft device according to embodiment 1 or embodiment 2, and a housing 7, wherein a PCB 8 is disposed in the housing 7, the rotating shaft 1 and the turntable 2 of the optical rotating shaft device are rotatably assembled in the housing 7, the rotating shaft 1 extends out of the housing 7, and the rotating shaft 1 is provided with a stop collar 9, and the light emitting element 5 and the light sensitive element 6 are connected with the PCB 8.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An optical rotation shaft device, comprising a rotation shaft, characterized in that: the rotary table is characterized in that at least one rotary table is arranged on the rotary table, a plurality of groups of light-transmitting hole groups which are uniformly distributed on the rotary table in the circumferential direction are arranged on the rotary table, a shading part is arranged between every two adjacent light-transmitting hole groups, each group of light-transmitting hole groups comprises a wide hole and a narrow hole, and a light-emitting element and a light-sensitive element are respectively arranged on the upper side and the lower side of the rotary table.

2. An optical hinge apparatus according to claim 1, wherein: the light paths of the light emitting element and the photosensitive element are perpendicular to the turntable, and when the light hole group passes through the light path, light can pass through the light hole group.

3. An optical hinge apparatus according to claim 1, wherein: the shape of the wide hole and the narrow hole is any one of rectangle, fan shape, trapezoid, round and ellipse.

4. A modular packaging structure for an optical rotation shaft device, characterized in that: comprising the following steps: the optical rotation shaft device as claimed in claim 1, and a housing, wherein the housing is provided with a PCB, the rotation shaft and the turntable of the optical rotation shaft device are rotatably assembled in the housing, the rotation shaft extends out of the housing, and the light emitting element and the light sensing element are connected with the PCB.