Adjustable optical module

Abstract

An adjustable optical module includes an optical element, an optical carrier, a frame, a rotating shaft and a driving assembly. The optical carrier carries the optical element. The frame includes a rotating shaft placement slot. The rotating shaft is located between the optical carrier and the rotating shaft placement slot, so that the optical carrier is adjacent to the frame. The rotating shaft placement slot has a placement camber. A radius of the rotating shaft is smaller than a curvature radius of the placement camber. The driving assembly drives the optical carrier to rotate with the rotating shaft as a rotation axis.

Description

TECHNICAL FIELD

[0001] The present invention relates to electronic devices with adjustable optical modules, and in particular to an adjustable optical module. BACKGROUND

[0002] With the development of technology, electronic products are increasingly pursuing a thin and light design and a high-quality photographic experience. At present, most electronic products are equipped with lens modules with shooting functions. However, in order to pursue high-quality shooting images, the structure of the lens module is often not conducive to the thin and light design of the electronic product. Or, the electronic product has poor focusing function. Or, the electronic product has a complicated assembly process. SUMMARY

[0003] In view of the above problems, according to an embodiment, an adjustable optical module includes an optical element, an optical carrier, a frame, a rotating shaft, and a driving assembly. The optical carrier carries the optical element. The frame includes a rotating shaft placement slot. The rotating shaft is located between the optical carrier and the rotating shaft placement slot, so that the optical carrier is adjacent to the frame. The rotating shaft placement slot includes a placement camber. The radius of the rotating shaft is smaller than the radius of the placement camber. The driving assembly drives the optical carrier to rotate around the rotating shaft as the rotation axis.

[0004] In some embodiments, the optical carrier further includes a side recess. The side recess, the rotating shaft, and the rotating shaft placement slot correspond to each other. The rotating shaft is located between the side recess and the rotating shaft placement slot. The side recess includes an inner recess camber. The radius of the inner recess camber is smaller than the radius of the placement camber.

[0005] In some embodiments, the radius of the rotating shaft is equal to the radius of the inner recess camber.

[0006] In some embodiments, one end of the rotating shaft substantially contacts the side recess.

[0007] In some embodiments, the adjustable optical module further includes a plurality of intermediates and a base. The frame further includes a plurality of intermediate placement slots. The base includes a bottom plate. The bottom plate includes a plurality of guide slots. The intermediate placement slots, the guide slots, and the intermediates correspond to each other. Each intermediate is located between the corresponding intermediate placement slot and guide slot. The driving assembly drives the frame to rotate around an axis perpendicular to the rotating shaft as the rotation axis.

[0008] In some embodiments, the adjustable optical module further includes a shaft element. The optical carrier further includes a rear recess. The frame further includes a shaft element placement slot. The shaft element is located between the rear recess and the shaft element placement slot, and there is a gap between the rear recess and the shaft element.

[0009] In some embodiments, both ends of the shaft element substantially contact the rear recess and the shaft element placement slot.

[0010] In some embodiments, the shaft element placement slot and the rotation shaft placement slot are respectively located on two adjacent side walls of the frame.

[0011] In some embodiments, the adjustable optical module further comprises a base elastic member. The base comprises a base receiving space. The frame and the optical carrier are located in the base receiving space. A first end of the base elastic member is fixed to the optical carrier; a second end of the base elastic member is fixed to the base. The base elastic member has a force to normally push the optical carrier towards the rotation shaft.

[0012] In some embodiments, the distance from the first end of the base elastic member to the bottom plate is greater than the distance from the second end of the base elastic member to the bottom plate.

[0013] In some embodiments, the adjustable optical module further comprises a frame elastic member. The frame further comprises an opening. The opening is located in the middle of the frame. Two ends of the frame elastic member are fixed to the frame. The middle section of the frame elastic member is clamped and fixed to the base. The position of the opening corresponds to the middle section of the frame elastic member.

[0014] In some embodiments, the adjustable optical module further comprises a central shaft. The frame further comprises a support plate. The support plate comprises a central shaft placement hole and a plurality of intermediate member placement slots. The bottom plate comprises a central hole. The central shaft is located in the central shaft placement hole and the central hole. The part of the central shaft located in the central shaft placement hole is greater than the part of the central shaft located in the central hole. The central shaft is substantially perpendicular to the rotation shaft. The driving assembly drives the frame to rotate with the central shaft as the rotation axis.

[0015] In some embodiments, the central shaft has an upper shaft portion, a convex ring, and a lower shaft portion. The convex ring is located on the outer surface of the central shaft. The convex ring is in substantial contact with the bottom plate. The upper shaft portion is located in the central shaft placement hole. The lower shaft portion is located in the central hole.

[0016] In summary, according to an embodiment, the optical carrier can rotate relative to the frame with the rotation shaft as the rotation axis. In addition, in some embodiments, through the rotation axis structure and the connection structure of the adjustable optical module, the adjustable optical module has good optical anti-shake compensation effect, and the structure is compact, which is convenient for assembly.

[0017] The present application will be described in detail below with reference to the accompanying drawings and specific embodiments, but is not limited to the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the adjustable optical module of some embodiments (I).

[0019] Figure 2 It is a perspective view of the adjustable optical module. Figure 1 It is a perspective exploded view of the adjustable optical module shown.

[0020] Figure 3 It is a perspective view of the frame of some embodiments.

[0021] Figure 4 Figure 4-4 is a cross-sectional view showing the relationship between the shaft, the frame and the optical mount. Figure 1 Figure 5 is an enlarged view of position 5 showing the dimensions of the shaft radius, the concave arc surface and the placement arc surface.

[0022] Figure 5 Figure 6 is a perspective view of the optical mount of some embodiments. Figure 4 Figure 7 is an enlarged view of position 7-7 showing the relationship between the shaft, the side recess and the shaft placement slot.

[0023] Figure 6 Figure 8 is a perspective view of the adjustable optical module of some embodiments (two).

[0024] Figure 7 Figure 9 is a perspective view of the adjustable optical module of some embodiments (three). Figure 1 Figure 10 is a cross-sectional view showing the driven rotational position of the frame.

[0025] Figure 8 Figure 11 is a perspective exploded view of the frame, the base and the intermediate piece.

[0026] Figure 9 Figure 12 is a cross-sectional view showing the position of the shaft element, the optical mount and the frame. Figure 8 Figure 13 is a cross-sectional view showing the relationship between the seat spring, the optical mount and the base.

[0027] Figure 10 Figure 14 is a cross-sectional view showing the position of the shaft and the shaft element. Figure 8 Figure 15 is a perspective exploded view of the frame, the central shaft and the base.

[0028] Figure 11 Figure 16 is a perspective view of the adjustable optical module of some embodiments (two). Figure 8 Figure 17 is a perspective exploded view of the frame, the central shaft and the base.

[0029] Figure 12 Figure 18 is a perspective view of the adjustable optical module of some embodiments (three). Figure 8 Figure 19 is a cross-sectional view showing the position of the shaft element, the optical mount and the frame.

[0030] Figure 13 Figure 20 is a cross-sectional view showing the relationship between the seat spring, the optical mount and the base. Figure 8 Figure 21 is a cross-sectional view showing the position of the shaft and the shaft element.

[0031] Figure 14 Figure 22 is a perspective view of the adjustable optical module of some embodiments (three). Figure 8 Figure 23 is a perspective exploded view of the frame, the central shaft and the base.

[0032] Figure 15 Figure 24 is a perspective view of the adjustable optical module of some embodiments (three).

[0033] Figure 16 Figure 25 is a perspective exploded view of the frame, the central shaft and the base. Figure 15 Figure 26 is a perspective view of the adjustable optical module of some embodiments (three).

[0034] Figure 17 Fig. 1 is a perspective view of a base according to the present application. Figure 15 Fig. 2 is a sectional view of the base shown in Fig. 1, showing the connection of the central axis, the central axis placement hole and the central hole.

[0035] Figure 18 Fig. 3 is an enlarged view of the position marked 3 in Fig. 1. Figure 17

[0036] Figure 19 Fig. 4 is a sectional view of the base shown in Fig. 1, showing the position of the opening and the base fixing portion. Figure 15

[0037] Figure 20 Fig. 5 is a perspective view of the base shown in Fig. 1. Figure 19

[0038] In the drawings:

[0039] 11: optical element

[0040] 20: optical carrier

[0041] 21: side recess

[0042] 22: rear recess

[0043] 23: position avoiding recess

[0044] 24: outer convex portion

[0045] 25: groove bottom

[0046] 26: inner concave curved surface

[0047] 27: side end wall

[0048] 29: rear end wall

[0049] 201, 202: carrier wall

[0050] 211: carrier space

[0051] 225: gap

[0052] 30: frame

[0053] 31: rotation shaft placement slot

[0054] 32: shaft element placement slot

[0055] 33: placement curved surface

[0056] 34: intermediate member placement slot

[0057] 35: rotation shaft placement end wall

[0058] 36: opening

[0059] ​​​37: support plate

[0060] 38: center shaft placement hole

[0061] 39: frame fixing portion

[0062] 301, 302: frame side wall

[0063] 311: frame receiving space

[0064] 321: shaft element placement end wall

[0065] 41: rotating shaft

[0066] 42: shaft element

[0067] 43: center shaft

[0068] 44: upper shaft portion

[0069] 45: convex ring

[0070] 46: lower shaft portion

[0071] 50: base

[0072] 51: bottom plate

[0073] 53: guide groove

[0074] 53a: arc-shaped groove

[0075] 53b: cylindrical groove

[0076] 54: center hole

[0077] 58: positioning protrusion

[0078] 59: base fixing portion

[0079] 511: base receiving space

[0080] 60, 60': drive assembly

[0081] 61, 61': coil

[0082] 62, 62': magnet

[0083] 63, 63': position sensor

[0084] 64, 64': circuit board

[0085] 70: seat elastic member

[0086] 72: first end

[0087] 75: second end

[0088] 80: intermediate member

[0089] 90: Frame elastic element

[0090] 95: Card-connecting section

[0091] P1, P2: Axles

[0092] α: arc angle

[0093] C1: Position of the first frame

[0094] C2: Second frame position

[0095] D1, D2, D3: Length

[0096] R4: Radius

[0097] R3, R2: Radius of curvature

[0098] B1: First seat

[0099] B2: Second seat

[0100] L, L': Light rays

[0101] H2, H5: Distance Detailed Implementation

[0102] The structural and working principles of the present invention will be described in detail below with reference to the accompanying drawings:

[0103] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 . Figure 1 A perspective view (a) of an adjustable optical module according to some embodiments. Figure 2 for Figure 1 An exploded 3D view of the adjustable optical module shown. Figure 3 This is a perspective view of the framework for some embodiments. Figure 4 for Figure 1 The cross-sectional view marked 4-4 shows the connection relationship between the rotating shaft, frame and optical support. Figure 5 In order to be in Figure 4 The enlarged view at position 5 shows the radius of the pivot, the dimensions of the concave arc surface, and the placement arc surface.

[0104] Adjustable optical modules are mounted on electronic devices, such as, but not limited to, mobile devices (e.g., smartphones, tablets, or laptops), or electronic devices with camera functions.

[0105] The adjustable optical module includes an optical element 11, an optical carrier 20, a frame 30, a rotating shaft 41, and a drive assembly 60.

[0106] The optical element 11 can be a prism or an optical element having a function of reflecting light. For example, the light ray L can enter the adjustable optical module along the Z axis, be reflected by the optical element 11, and exit the adjustable optical module along the -Y axis. The reflected light ray L' can be received by a lens module (not shown) in the electronic device and imaged. Figure 1 The optical element 11 can be a prism or an optical element having a function of reflecting light. For example, the light ray L can enter the adjustable optical module along the Z axis, be reflected by the optical element 11, and exit the adjustable optical module along the -Y axis. The reflected light ray L' can be received by a lens module (not shown) in the electronic device and imaged.

[0107] The optical element 11 can be a prism or an optical element having a function of reflecting light. For example, the light ray L can enter the adjustable optical module along the Z axis, be reflected by the optical element 11, and exit the adjustable optical module along the -Y axis. The reflected light ray L' can be received by a lens module (not shown) in the electronic device and imaged. Figure 3 The optical element 11 can be a prism or an optical element having a function of reflecting light. For example, the light ray L can enter the adjustable optical module along the Z axis, be reflected by the optical element 11, and exit the adjustable optical module along the -Y axis. The reflected light ray L' can be received by a lens module (not shown) in the electronic device and imaged. Figure 5 The optical element 11 can be a prism or an optical element having a function of reflecting light. For example, the light ray L can enter the adjustable optical module along the Z axis, be reflected by the optical element 11, and exit the adjustable optical module along the -Y axis. The reflected light ray L' can be received by a lens module (not shown) in the electronic device and imaged.

[0108] The optical element 11 can be a prism or an optical element having a function of reflecting light. For example, the light ray L can enter the adjustable optical module along the Z axis, be reflected by the optical element 11, and exit the adjustable optical module along the -Y axis. The reflected light ray L' can be received by a lens module (not shown) in the electronic device and imaged. Figure 2 The optical element 11 can be a prism or an optical element having a function of reflecting light. For example, the light ray L can enter the adjustable optical module along the Z axis, be reflected by the optical element 11, and exit the adjustable optical module along the -Y axis. The reflected light ray L' can be received by a lens module (not shown) in the electronic device and imaged.

[0109] In particular, the adjustable optical module can further comprise a frame 30. The optical element 11 is mounted on an optical carrier 20. The optical carrier 20 is mounted on the frame 30. The frame 30 is mounted on a base 10. The base 10 is mounted on a support 40. The support 40 is mounted on a platform 50. The platform 50 is mounted on a base 70. Figure 3In some embodiments, the frame 30 comprises a plurality of frame side walls 301, 302. A frame side wall 302 is connected between two frame side walls 301 to form a frame receiving space 311 for receiving the optical carrier 20. The frame 30 comprises a pivot placement slot 31. The pivot placement slot 31 has a placement arc surface 33 and a pivot placement end wall 35. In some embodiments, the pivot placement slot 31 is located between the optical carrier 20 and the frame 30. Figure 4 In some embodiments, the pivot 41 is located between the optical carrier 20 and the pivot placement slot 31, such that the optical carrier 20 is adjacent to the frame 30. Figure 5 In some embodiments, the arc center of the placement arc surface 33 has a distance from the axis of the pivot 41. The radius of curvature R3 is greater than the radius R4. The concave arc surface 26 substantially contacts (point contact) the pivot 41. In this way, the optical carrier 20 can rotate relative to the frame 30 with the pivot 41 as the rotation axis.

[0110] In another aspect, please refer to Figure 2 and Figure 6 . Figure 6 A perspective view of the optical carrier of some embodiments. The optical carrier 20 comprises a plurality of carrier walls 201, 202 and a plurality of protrusions 24. Two carrier walls 201 and one carrier wall 202 are connected to form a carrier space 211 for carrying the optical element 11. Each protrusion 24 is connected to one carrier wall 201, 202. The protrusions 24 are located above the frame side walls 301, 302 (i.e., the Z-axis position of the protrusions 24 is higher than the Z-axis position of the frame side walls 301, 302). Figure 2

[0111] The protrusion 24 connected to the carrier wall 201 comprises a side recess 21. The side recess 21 has a concave arc surface 26 and a side end wall 27 (see Figure 6 ). In some embodiments, the openings of the side recesses 21 located at the same side are opposite to the opening of the pivot placement slot 31. One pivot 41 corresponds to one side recess 21 and one pivot placement slot 31. In some embodiments, the radius of curvature R2 is smaller than the radius of curvature R3. The radius of curvature R2 of the concave arc surface 26 is substantially equal to the radius R4 of the pivot 41. In this way, there is no gap between the optical carrier 20 and the pivot 41, for example, the optical carrier 20 is connected to the pivot 41 by glue, and the friction between the pivot 41 and the placement arc surface 33 is small, so that the optical carrier 20 is driven to rotate with the pivot 41 as the rotation axis, and at the same time, the stability and the rotation resistance are small. Figure 2 Figure 5 The detailed operation of the first driving assembly 60 for driving the optical carrier 20 to rotate is described in detail in

[0112] Figure 4 ​​​The optical carrier 20 is driven by the first driving assembly 60 to rotate around the rotation axis 41. The optical carrier 20 rotates between a first seat position B1 and a second seat position B2. The first seat position B1 and the second seat position B2 can be positions corresponding to the maximum angles of the optical carrier 20 rotating counterclockwise and clockwise (in the perspective of the figure) respectively under the driving of the first driving assembly 60. The optical carrier 20 can be driven to be located at any position between the first seat position B1 and the second seat position B2. The direction in which the first driving assembly 60 drives the optical carrier 20 to rotate around the rotation axis 41 is referred to as the PITCH direction rotation (also referred to as the nodding direction). Figure 4

[0113] In addition, please refer to Figure 7 . Figure 7 In order to rotate the optical carrier 20 around the rotation axis 41, the rotation axis 41 is placed in the rotation axis placement slot 31 of the frame 30. Figure 1 The cross-sectional view of the position 7-7 shows the connection relationship between the rotation axis, the side recess, and the rotation axis placement slot. One end of the rotation axis 41 substantially contacts the side recess 21; the other end substantially contacts the rotation axis placement slot 31. In the embodiment, the end of the rotation axis 41 close to the optical carrier 20 substantially contacts the side end wall 27. The end of the rotation axis 41 close to the frame 30 can substantially contact the rotation axis placement end wall 35 or have a gap therebetween. The size of the gap is preferably such that it does not affect the positioning between the frame 30 and the optical carrier 20. For example, the distance (gap) between the side end wall 27 and the rotation axis placement end wall 35 can form a positioning effect on the rotation axis 41 such that the optical carrier 20 can have a slight displacement relative to the frame 30 on the X axis, and the slight displacement does not affect the precision of the adjustable optical module. Figure 7 Please refer to

[0114] , Figure 3 , Figure 4 , and Figure 6 . In some embodiments, the adjustable optical module further includes an axle element 42. The axle element 42 can be, but is not limited to, a cylindrical axle body or a spherical ball. The following description takes the cylindrical axle body as an example. The optical carrier 20 further includes a rear recess 22 (see Figure 6 ). The frame 30 further includes an axle element placement slot 32 (see Figure 3 ). In the embodiment, the axle element 42 is located between the rear recess 22 and the axle element placement slot 32. There is a gap 225 between the rear recess 22 and the axle element 42. The size of the gap 225 can change as the optical carrier 20 rotates between the first seat position B1 and the second seat position B2. For example, when the optical carrier 20 is located at the first seat position B1, the gap 225 is smallest; when the optical carrier 20 is located at the second seat position B2, the gap 225 is largest. In this way, the axle element 42 can serve as a stop element for the maximum counterclockwise angle of the PITCH direction rotation. Figure 4 ​​

[0115] On the other hand, Figure 3 In this configuration, the shaft element placement slot 32 and the rotating shaft placement slot 31 are located on two adjacent side walls of the frame 30, respectively. The shaft element placement slot 32 is located on the frame side wall 302. The rotating shaft placement slot 31 is located on the frame side wall 301. In this way, the assembly structure of the adjustable optical module can also be compact.

[0116] Please refer to Figure 8 , Figure 9 and Figure 10 . Figure 8 A perspective view (II) of an adjustable optical module for some embodiments. Figure 9 In order to be in Figure 8 An exploded 3D view of the adjustable optical module shown. Figure 10 In order to be in Figure 8 The cross-sectional view marked 10-10 shows the driven rotational position of the frame.

[0117] According to one embodiment, an adjustable optical module includes an optical element 11, an optical carrier 20, a frame 30, a shaft element 42, a base 50, a plurality of intermediaries 80, and a drive assembly 60. The optical carrier 20 carries the optical element 11. The optical carrier 20 includes a rear recess 22. The frame 30 includes a shaft element placement slot 32 and a plurality of intermediary placement slots 34. The shaft element 42 is located in the rear recess 22 and the shaft element placement slot 32. Both ends of the shaft element 42 substantially contact the rear recess 22 and the shaft element placement slot 32. The base 50 includes a base plate 51 and a plurality of guide slots 53 located in the base plate 51. The intermediary placement slots 34, the guide slots 53, and the intermediaries 80 correspond to each other. Each intermediary 80 is located between a corresponding intermediary placement slot 34 and a guide slot 53, such that the frame 30 and the base 50 have a first position and a second position. The drive assembly 60 is used to drive the frame 30 to selectively occupy the first position and the second position. In this way, when the frame 30 is driven to rotate about one axis by the shaft element 42 and the drive assembly 60 (i.e., the second drive assembly 60'), the optical carrier 20 is also rotated. The rotation direction of the frame 30 is called the rotation in the YAW direction (also known as the head-shaking direction).

[0118] For detailed operation of the second drive component 60' and drive frame 30, please refer to... Figure 9 and Figure 10 The second drive assembly 60' includes a magnet 62', a coil 61', a position sensor 63', and a circuit board 64'. Figure 9 In this embodiment, the second drive assembly 60' includes two magnets 62', two coils 61', a position sensor 63', and two circuit boards 64'. The two magnets 62' are located on opposite sides of the frame 30. The coils 61' and circuit boards 64' are located on the base 50 at positions corresponding to the magnets 62'. Figure 10In this configuration, the second drive assembly 60' drives the frame 30 selectively at the first frame position C1 and the second frame position C2. The first frame position C1 and the second frame position C2 can be the positions corresponding to the maximum angles of counterclockwise and clockwise rotation of the second drive assembly 60's drive frame 30 about axis P2 (in the +Y axis direction), respectively. The frame 30 can be driven to be located at any position between the first frame position C1 and the second frame position C2.

[0119] Please see Figure 11 , Figure 11 for Figure 8 The diagram shows an exploded perspective view of the frame, base, and intermediary components. The base 50 includes a base plate 51 and a base receiving space 511. The base receiving space 511 accommodates the frame 30, the optical carrier 20, and the optical element 11. The base plate 51 of the base 50 has multiple guide grooves 53. The openings of the guide grooves 53 face the frame 30. The frame 30 includes multiple intermediary component placement slots 34. The openings of the intermediary component placement slots 34 face the base plate 51. The intermediary component placement slots 34, guide grooves 53, and intermediary components 80 correspond to each other. Each guide groove 53 corresponds to one intermediary component placement slot 34 and accommodates one intermediary component 80. The intermediary component 80 is located between the frame 30 and the base 50. The intermediary component 80 assists in the rotation of the frame 30 under the drive of the second drive assembly 60'. The intermediary component 80 can be a ball, a cylindrical roller, or a component with a rolling function. The following description uses a ball as the intermediary component 80.

[0120] Please refer to the positional relationship between the optical support 20, the shaft element 42, and the frame 30. Figure 12 . Figure 12 for Figure 8 The cross-sectional view marked 12-12 shows the positions of the shaft element, optical carrier, and frame. Similar to the description in the above embodiment, the shaft element 42 is located between the rear recess 22 of the optical carrier 20 and the shaft element placement slot 32 of the frame 30. The rear recess 22 includes a bottom 25 and a rear end wall 29 (see...). Figure 6 ).At Figure 12 In the rear recess 22, there is a gap 225 between the bottom 25 of the groove and the shaft element 42. Both ends of the shaft element 42 substantially contact the rear recess 22 and the shaft element placement groove 32. The rear end wall 29 substantially contacts both ends of the shaft element 42. The shaft element placement end wall 321 also substantially contacts both ends of the shaft element 42. In this way, the optical support 20 and the driven frame 30 can rotate synchronously in the YAW direction, preventing the optical support 20 from rotating only after the frame 30 has rotated a small angle.

[0121] Additionally, please see Figure 9In some embodiments, the adjustable optical module further comprises a rotation shaft 41. The optical carrier 20 further comprises a side recess 21. The frame 30 further comprises a rotation shaft placement slot 31. The side recess 21, the rotation shaft 41 and the rotation shaft placement slot 31 correspond to each other. The rotation shaft 41 is located between the side recess 21 and the rotation shaft placement slot 31. The driving assembly 60 drives the optical carrier 20 to rotate around the rotation shaft 41. The driving assembly 60 (i.e. the first driving assembly 60) drives the optical carrier 20 to rotate around the rotation shaft 41 in the PITCH direction, which is substantially the same as the above-mentioned embodiments, and thus is not described herein. In this way, the adjustable optical module has two sets of driving assemblies 60 (the first driving assembly 60 and the second driving assembly 60'), which can adjust the rotation of the optical element 11 around two rotation axes (the PITCH direction rotation and the YAW direction rotation).

[0122] The details of maintaining the optical carrier 20 in a normal position are described in Figure 13 and Figure 14 . Figure 13 The details of maintaining the optical carrier 20 in a normal position are described in Figure 8 . Figure 14 The details of maintaining the optical carrier 20 in a normal position are described in Figure 8 . Figure 9 In some embodiments, the adjustable optical module further comprises a seat elastic member 70. The seat elastic member 70 maintains the optical carrier 20 in a normal position. The seat elastic member 70 can be a spring or an elastic member. A first end 72 of the seat elastic member 70 is fixed to the optical carrier 20, and a second end 75 of the seat elastic member 70 is fixed to the base 50. The seat elastic member 70 has a force to normally push the optical carrier 20 towards the rotation shaft 41.

[0123] In Figure 13 , the first end 72 of the seat elastic member 70 is connected to the outer protrusion 24, and the second end 75 of the seat elastic member 70 is connected to the base 50. The distance H2 from the first end 72 to the surface of the bottom plate 51 is greater than the distance H5 from the second end 75 to the surface of the bottom plate 51. Therefore, the seat elastic member 70 normally presses the optical carrier 20 towards the base 50, so that the optical carrier 20 is maintained in a normal position. The normal position can be a position in which the optical carrier 20 is horizontal or a position in which the optical carrier 20 is maintained at a predetermined inclination angle. The normal position is a static position of the optical carrier 20 maintained by the seat elastic member 70 without being driven by the first driving assembly 60. In Figure 14 , when the optical carrier 20 is placed on the frame 30 in a horizontal manner (i.e. the optical carrier 20 is in the above-mentioned normal position), the inner concave curved surface 26 of the optical carrier 20 contacts the rotation shaft 41, but there is a predetermined gap between the rear recess 22 of the optical carrier 20 and the shaft member 42 (as shown in Figure 14gap 225) in the optical carrier 20.

[0124] In addition, in some embodiments, the seat spring 70 can be fixed at the first end 72 to the optical carrier 20 and at the second end 75 to the frame 30. Since the optical carrier 20 is rotated in the PITCH direction relative to the frame 30, the seat spring 70 connected to the optical carrier 20 and the frame 30 also has the same effect as the aforementioned embodiments.

[0125] In addition, please refer to Figure 11 . The guide slot 53 of the base 50 can be an arc-shaped groove 53a or a cylindrical groove 53b. In Figure 11 , the base 50 includes three guide slots 53, one arc-shaped groove 53a and two cylindrical grooves 53b. Each guide slot 53 accommodates one intermediate member 80. The diameter of the cylindrical groove 53b is greater than the diameter of the corresponding intermediate member 80. The arc-shaped groove 53a has an arc-shaped track. The two ends of the arc-shaped track to the two straight lines of the rotation axis (axis P2) of the frame 30 form an arc angle α. The size of the arc angle α determines the length of the arc-shaped track. In this way, the arc-shaped groove 53a can limit the rotation of the frame 30 within a certain angle range. In some embodiments, the arc angle α is about 5 to 10 degrees.

[0126] Please refer to Figure 9 and Figure 10 . In some embodiments, the adjustable optical module further includes a frame spring 90. The frame 30 includes a frame fixing portion 39. The base 50 includes a base fixing portion 59. Two ends of the frame spring 90 are fixed to the base fixing portion 59. The middle section of the frame spring 90 is fixed to the frame fixing portion 39. The frame spring 90 is used to stabilize the position of the frame 30. The frame spring 90 can be a leaf spring or an elastic element. In Figure 10 , the base 50 includes two base fixing portions 59. The frame spring 90 is located between the frame side wall 302 and the base 50. The frame fixing portion 39 is located in the middle of the frame side wall 302. The distance from the frame fixing portion 39 to each base fixing portion 59 is substantially equal. In this way, when the frame 30 rotates in the YAW direction about the axis P2, the pulling force of the two ends of the frame spring 90 on the frame 30 is substantially the same, so as to stabilize the position of the rotation axis of the frame 30. In addition, in some embodiments, the adjustable optical module can also include a plurality of frame springs 90, for example, 2 or 4, the number of which can be adjusted according to the material of the frame spring 90. One end of each frame spring 90 is fixed to the frame fixing portion 39; the other end is fixed to the base fixing portion 59. The plurality of frame springs 90 also have the functions as described in the Figure 10 embodiments.

[0127] Please refer to Figure 15 and Figure 16 . Figure 15 is a perspective view of the adjustable optical module of some embodiments (three).Figure 16 For Figure 15 A perspective exploded view of the frame, central shaft and base of an embodiment.

[0128] According to an embodiment, the adjustable optical module includes an optical element 11, a frame 30, a base 50, a plurality of intermediates 80, a central shaft 43 and a driving assembly 60. The frame 30 includes a plurality of side walls and a support plate 37. The side walls and the support plate 37 form a frame receiving space 311. The optical element 11 is located in the frame receiving space 311. The support plate 37 has a plurality of intermediate placement slots 34 and a central shaft placement hole 38. The base 50 includes a bottom plate 51. The bottom plate 51 includes a plurality of guide slots 53 and a central hole 54. The intermediate placement slots 34, the guide slots 53 and the intermediates 80 correspond to each other. Each intermediate 80 is located between the corresponding intermediate placement slot 34 and the guide slot 53, so that the frame 30 and the base 50 have a first position and a second position. The central shaft 43 is located between the central shaft placement hole 38 and the central hole 54. The part of the central shaft 43 located in the central shaft placement hole 38 is larger than the part of the central shaft 43 located in the central hole 54. The driving assembly 60 is used to drive the frame 30 to selectively locate in the first position and the second position. The distance from the first position to the central shaft 43 is equal to the distance from the second position to the central shaft 43. In this way, the frame 30 driven by the second driving assembly 60' can rotate around the central shaft 43 (YAW direction rotation). The details of the YAW direction rotation of the frame 30 are substantially as described above, and will not be described again. The relationship between the central shaft 43, the frame 30 and the base 50 is described below.

[0129] Please refer to Figure 16 , Figure 17 and Figure 18 . Figure 17 For the cross-sectional view of the position 17-17 in Figure 15 , showing the connection relationship between the central shaft, the central shaft placement hole and the central hole. Figure 18 For Figure 17 the enlarged view of the position 18. The frame 30 includes a support plate 37, frame side walls 301, 302, and a frame receiving space 311. The optical element 11 is located in the frame receiving space 311. The support plate 37 and the frame side walls 301, 302 can be an integrally formed component or a component connected by a locking structure. The support plate 37 has a plurality of intermediate placement slots 34 and a central shaft placement hole 38. The bottom plate 51 of the base 50 includes a central hole 54 and a plurality of guide slots 53. The central shaft 43 is located between the central shaft placement hole 38 and the central hole 54.

[0130] In Figure 17In some embodiments, the center shaft 43 has an upper shaft portion 44, a protruding ring 45, and a lower shaft portion 46. The protruding ring 45 is located on the outer surface of the center shaft 43. The protruding ring 45 is connected to the upper shaft portion 44 at one end of the center shaft 43, and is connected to the lower shaft portion 46 at the other end of the center shaft 43. When the center shaft 43 is located between the center shaft placement hole 38 and the center hole 54, the upper shaft portion 44 is located in the center shaft placement hole 38, and the lower shaft portion 46 is located in the center hole 54. The protruding ring 45 substantially contacts the surface of the base plate 51. In some embodiments, the protruding ring 45 is located in the center hole 54. Figure 18 In some embodiments, the length Dl of the upper shaft portion 44 is greater than or equal to the length D2 of the lower shaft portion 46. In this way, the protruding ring 45 can support the position of the center shaft 43. When the frame 30 rotates in the YAW direction with the center shaft 43 (the axis of the center shaft 43 is the axis P2) as the rotation axis, the frame 30 has a substantial rotation axis, which can improve the stability of the rotation of the frame 30. It should be noted that the optical carrier 20 has an anti-positioning structure (such as the anti-positioning groove 23) corresponding to the position of the center shaft 43. The inner recess depth of the anti-positioning groove 23 is sufficient to accommodate the center shaft 43, so that the rotation of the optical carrier 20 will not be hindered by the center shaft 43 to make the PITCH direction rotation. The material of the intermediate member 80 and the support plate 37 can be metal, so that the friction between the intermediate member 80 and the intermediate member placement groove 34 is small, and the rotation of the frame 30 is smooth. Figure 16 In some embodiments, the length Dl of the upper shaft portion 44 is greater than or equal to the length D2 of the lower shaft portion 46. In this way, the protruding ring 45 can support the position of the center shaft 43. When the frame 30 rotates in the YAW direction with the center shaft 43 (the axis of the center shaft 43 is the axis P2) as the rotation axis, the frame 30 has a substantial rotation axis, which can improve the stability of the rotation of the frame 30. It should be noted that the optical carrier 20 has an anti-positioning structure (such as the anti-positioning groove 23) corresponding to the position of the center shaft 43. The inner recess depth of the anti-positioning groove 23 is sufficient to accommodate the center shaft 43, so that the rotation of the optical carrier 20 will not be hindered by the center shaft 43 to make the PITCH direction rotation. The material of the intermediate member 80 and the support plate 37 can be metal, so that the friction between the intermediate member 80 and the intermediate member placement groove 34 is small, and the rotation of the frame 30 is smooth. Figure 17 Further, please refer to

[0131] In some embodiments, the depth of the center shaft 43 located in the center hole 54 is less than the depth of the center hole 54 in the base plate 51. As shown in Figure 18 , the length D2 of the lower shaft portion 46 is less than the length D3 of the center hole 54. Figure 18

[0132] In some embodiments, the center shaft 43 is fixedly connected to the base plate 51 (for example, the two are connected by glue, or the two are insert molded components), that is, there is no relative displacement between the center shaft 43 and the base 50, and the frame 30 rotates around the center shaft 43.

[0133] In addition, please refer to Figure 16 In some embodiments, the guide groove 53 of the base 50 is a cylindrical groove 53b. The distance from each cylindrical groove 53b to the center hole 54 is substantially equal. In some embodiments, each guide groove 53 accommodates an intermediate member 80. The diameter of the cylindrical groove 53b is greater than the diameter of the corresponding intermediate member 80. Since the movable space of each intermediate member 80 in the cylindrical groove 53b is substantially equal, the intermediate member 80 is less likely to be stuck in the cylindrical groove 53b. Figure 16

[0134] Please refer to Figure 19 and Figure 20 . Figure 19 In Figure 15 ​​Figure 19 is a cross-sectional view of the position 19-19, showing the position of the opening and the base fixing portion. Figure 20 For Figure 19 Figure 2 is a perspective view of the base of the embodiment. In some embodiments, the frame 30 further comprises an opening 36. The opening 36 is located in the middle of the frame 30. The two ends of the frame elastic member 90 are fixed to the frame 30. The middle section of the frame elastic member 90 is snap-fitted to the base 50. The position of the opening 36 corresponds to the middle section of the frame elastic member 90. In this way, because the frame side wall 302 is provided with the opening 36, the installer can snap-fit the frame elastic member 90 to the base fixing portion 59 through the opening 36, which is convenient for assembly.

[0135] In Figure 19 some embodiments, the frame side wall 302 of the frame 30 comprises the opening 36 and two frame fixing portions 39. The opening 36 is located in the middle of the frame side wall 302. The frame fixing portions 39 are located on both sides of the opening 36. In Figure 20 some embodiments, the base fixing portion 59 is provided with a positioning protrusion 58. The middle section of the frame elastic member 90 is provided with a snap portion 95 corresponding to the positioning protrusion 58 (see Figure 16 ).

[0136] Of course, the present application can have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present application without departing from the spirit and essence of the present application. However, these corresponding changes and modifications should all belong to the protection scope of the claims attached to the present application.

Claims

1. An adjustable optical module, characterized in that, Include: An optical element; An optical support base is used to support the optical element; A frame, including a pivot placement slot; A rotating shaft is located between the optical carrier and the rotating shaft placement slot, such that the optical carrier is adjacent to the frame. The rotating shaft placement slot includes a placement arc surface, and a radius of the rotating shaft is smaller than a radius of curvature of the placement arc surface. A drive assembly drives the optical carrier to rotate about the pivot axis; The frame includes multiple intermediary components and a base. The frame further includes multiple intermediary component placement slots. The base includes a bottom plate with multiple guide grooves. The multiple intermediary component placement slots, guide grooves, and intermediary components correspond to each other. Each intermediary component is located between its corresponding intermediary component placement slot and guide groove, such that the frame and the base have a first position and a second position. A drive assembly is used to drive the frame to selectively occupy the first position and the second position. The drive assembly drives the frame to rotate about an axis perpendicular to the pivot axis. The frame includes a central axis and a support plate with a central axis placement hole and the plurality of intermediate component placement slots. The base plate includes a central hole. The central axis is located between the central axis placement hole and the central hole. A portion of the central axis located in the central axis placement hole is larger than a portion of the central axis located in the central hole. The central axis is substantially perpendicular to the pivot. The drive assembly drives the frame to rotate about the central axis.

2. The adjustable optical module as described in claim 1, characterized in that, The optical carrier further includes a side groove, the side groove, the rotating shaft, and the rotating shaft placement groove are corresponding, the rotating shaft is located between the side groove and the rotating shaft placement groove, the side groove includes a concave arc surface, and the radius of curvature of the concave arc surface is smaller than the radius of curvature of the placement arc surface.

3. The adjustable optical module as described in claim 2, characterized in that, The radius of the rotating shaft is equal to the radius of curvature of the concave arc surface.

4. The adjustable optical module as described in claim 2, characterized in that, One end of the rotating shaft is in substantial contact with the side groove.

5. The adjustable optical module as described in claim 1, characterized in that, It further includes an axis element, the optical carrier further includes a rear recess, the frame further includes an axis element placement slot, the axis element is located between the rear recess and the axis element placement slot, and there is a gap between the rear recess and the axis element.

6. The adjustable optical module as described in claim 5, characterized in that, The two ends of the shaft element are in substantial contact with the rear groove and the shaft element placement slot.

7. The adjustable optical module as described in claim 5, characterized in that, The shaft element placement slot and the rotating shaft placement slot are located on two adjacent side walls of the frame, respectively.

8. The adjustable optical module as described in claim 1, characterized in that, It further includes an elastic element, the base includes a base receiving space, the frame and the optical carrier are located in the base receiving space, a first end of the elastic element is fixed to the optical carrier, a second end of the elastic element is fixed to the base, and the elastic element includes a force that normally pushes the optical carrier toward the pivot axis.

9. The adjustable optical module as described in claim 8, characterized in that, The distance from the first end of the elastic member to the base plate is greater than the distance from the second end of the elastic member to the base plate.

10. The adjustable optical module as described in claim 1, characterized in that, It further includes a frame elastic member, the frame further includes an opening located in the middle of the frame, the two ends of the frame elastic member are fixed to the frame, the middle section of the frame elastic member is engaged and fixed to the base, and the position of the opening corresponds to the middle section of the frame elastic member.

11. The adjustable optical module as described in claim 1, characterized in that, The central shaft has an upper shaft portion, a convex ring, and a lower shaft portion. The convex ring is located on the outer surface of the central shaft and is in substantial contact with the base plate. The upper shaft portion is located in the central shaft placement hole, and the lower shaft portion is located in the central hole.

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