CN206020733U - Optical component positioning adjustment device - Google Patents

Abstract

The utility model discloses a device for positioning and adjusting an optical component, one embodiment of which includes a base and at least one cover. The base includes an upper surface and a side surface, the upper surface is used to set at least one photoelectric element, and the side surface forms a non-smooth first positioning adjustment structure. The at least one cover includes an inner surface, the inner surface forms a non-smooth second positioning adjustment structure, and the second positioning adjustment structure is consistent with the first positioning adjustment structure. In addition, the at least one cover has a light output and input port for light transmission, and the distance between the light output and input port and the upper surface can be adjusted by increasing or decreasing the contact area between the second positioning adjustment structure and the first positioning adjustment structure. The utility model can improve the problem of the prior art that it is difficult to precisely adjust the positioning and focal length of components in a cost-effective manner.

Description

Optical component positioning adjustment device

technical field

The utility model relates to an optical device, in particular to an optical assembly positioning adjustment device.

Background technique

In recent years, with the increase in the demand for data transmission volume and transmission speed, the previous method of using copper cables as a data transmission medium is no longer sufficient. Therefore, optical fiber transmission has largely replaced copper cable transmission and has become high-speed transmission (especially long-distance transmission) The main medium of transmission).

With the evolution of technology, the transmission rate of commercialized optical transceivers has reached hundreds of GHz (gigabit/s). Such high transmission rate optical transceivers have very high requirements for the accuracy of component positioning and focus alignment. , and considering that there are tolerances in mass-produced devices, individual devices may require fine-tuning, so component positioning and focal length adjustment technologies are necessary. However, in the current technology, whether it is active alignment technology or passive alignment technology, it is difficult to precisely adjust the component positioning and focal length in a cost-effective way. The industry can only increase the assembly cost to improve the optical coupling efficiency, or sacrifice optical Coupling efficiency to avoid excessive cost increases.

In addition, the current active alignment technology has disadvantages such as requiring long man-hours to adjust the optical axis, cumbersome optical components, low tolerance for design errors, and being easily affected by heat, shaking, adhesive deterioration, or vibration. The improvement of these shortcomings may lead to production A substantial increase in costs. The current preferred passive alignment technology can be found in the Taiwan patent "Optical Submodule and Its Packaging Method (Patent Application No.: 102129353)" previously applied by the applicant.

Utility model content

One of the objectives of the present invention is to provide a positioning adjustment device for optical components, so as to solve the problem that it is difficult to precisely adjust the positioning and focus of components in a cost-effective manner in the prior art.

In order to solve the problems in the prior art, the utility model provides an optical component positioning adjustment device, one embodiment of which includes a base and at least one cover. The base includes an upper surface and a side surface, wherein the upper surface is used for setting at least one photoelectric element, and a first positioning adjustment structure is formed on the side surface, and the first positioning adjustment structure is a non-smooth surface. The at least one cover body includes an inner surface, the inner surface forms a second positioning adjustment structure, the second positioning adjustment structure is a non-smooth surface, and the second positioning adjustment structure coincides with the first positioning adjustment structure, Wherein the at least one cover body has a light output and input port for light transmission, and the distance between the light output and input port and the upper surface can be determined by the contact area between the second positioning adjustment structure and the first positioning adjustment structure is adjusted for an increase or decrease.

Wherein, the first positioning adjustment structure and the second positioning adjustment structure are two matched screw threads.

Wherein, a reflection mirror is arranged in the at least one cover, the at least one photoelectric element is arranged on the upper surface, and the at least one photoelectric element includes a light detection element, and the light detection element is used to detect the light reflected by the reflection mirror. And generate a detection result accordingly.

Wherein, the at least one photoelectric element further includes a light emitting element and a compensating element, and the compensating element is used to adjust the light emitted by the light emitting element according to the detection result.

Wherein, the at least one cover body includes: a first cover body, including the inner surface and a first contact surface, the first contact surface forms a third positioning adjustment structure, and the third positioning adjustment structure is a non-smooth surface and a second cover body, the second cover body has the light output and input port and the reflector is arranged in the second cover body, the second cover body includes a second contact surface, and the second contact surface is formed There is a fourth positioning adjustment structure, the fourth positioning adjustment structure is a non-smooth surface, and the fourth positioning adjustment structure coincides with the third positioning adjustment structure, wherein the distance between the light output and input port and the upper surface It can also be adjusted by increasing or decreasing the contact area between the fourth positioning adjustment structure and the third positioning adjustment structure.

Wherein, the third positioning adjustment structure and the fourth positioning adjustment structure are two matched thread structures.

Wherein, the first positioning adjustment structure and the second positioning adjustment structure are two matched thread structures.

Wherein, the material of the first cover is metal.

Wherein, the first cover includes at least one positioning hole, and the at least one positioning hole exposes at least a part of the base, and the optical component positioning adjustment device further includes at least one positioning piece, and the at least one positioning piece passes through the at least one positioning hole Contacting the base, the position of the base in a first direction can be adjusted by the contact between the at least one positioning member and the base.

Wherein, at least one of the at least one positioning element is a positioning element with an elastic structure, and the first direction is perpendicular to the normal direction of the upper surface.

Wherein, the at least one cover body includes: a first cover body, including the inner surface and a first contact surface, the first contact surface forms a third positioning adjustment structure, and the third positioning adjustment structure is a non-smooth surface ; and a second cover body, the second cover body has the light output and input port, the second cover body includes a second contact surface, a fourth positioning adjustment structure is formed on the second contact surface, the fourth positioning The adjustment structure is a non-smooth surface, and the fourth positioning adjustment structure coincides with the third positioning adjustment structure; wherein the distance between the light output and input port and the upper surface can also be determined by the fourth positioning adjustment structure and the third positioning adjustment structure. The third positioning adjustment structure is adjusted by increasing or decreasing the contact area.

Wherein, the first cover is fixed with the second cover by a photosensitive glue or a heat sensitive glue.

Wherein, the third positioning adjustment structure and the fourth positioning adjustment structure are two matched thread structures.

Wherein, the first cover includes at least one positioning hole, and the at least one positioning hole exposes at least a part of the base, and the optical component positioning adjustment device further includes at least one positioning piece, and the at least one positioning piece passes through the at least one positioning hole Contacting the base, the position of the base in a first direction can be adjusted by the contact between the at least one positioning member and the base.

Wherein, at least one of the at least one positioning element is a positioning element with an elastic structure.

Wherein, the first direction is perpendicular to the normal direction of the upper surface.

Wherein, a lens is arranged in the at least one cover or on the at least one cover, and the lens is aligned with the light output and input port.

Wherein, at least one cover is fixed with the base by a photosensitive glue or a heat sensitive glue.

Wherein, the at least one cover body includes at least one positioning hole, and the at least one positioning hole exposes at least a part of the base, and the optical component positioning adjustment device further includes at least one positioning piece, and the at least one positioning piece passes through the at least one positioning hole Contacting the base, the position of the base in a first direction can be adjusted by increasing or decreasing an acting force between the at least one positioning member and the base.

Wherein, at least one of the at least one positioning element is a positioning element with an elastic structure, and the first direction is perpendicular to the normal direction of the upper surface.

Compared with the existing technology, the technology of the utility model can precisely adjust the positioning of the components in a cost-effective manner, adjust the required focal length and light spot in detail, has a high tolerance for design errors, and is not easy to be heated, shaken or vibrated affected by.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Figure 1a and Figure 1b are schematic diagrams of an embodiment of the optical component positioning adjustment device of the present invention;

Fig. 2 is a schematic diagram of the assembly of the optical component positioning adjustment device in Fig. 1a and Fig. 1b;

3a and 3b are schematic views of at least one cover in FIG. 1b under different viewing angles;

Fig. 4 shows a schematic diagram of an embodiment of at least one optoelectronic element on the base of Fig. 1a;

Fig. 5 is a schematic diagram of the positioning adjustment method of the base of Fig. 1a and Fig. 1b;

Figure 6a, Figure 6b and Figure 6c are schematic diagrams of another embodiment of the optical component positioning adjustment device of the present invention;

7a and 7b are schematic diagrams of the first cover in FIG. 6b under different viewing angles;

Fig. 8a, Fig. 8b and Fig. 8c are schematic diagrams of the second cover in Fig. 6c under different viewing angles; and

FIG. 9 is a schematic diagram of the assembled optical component positioning adjustment device in FIG. 6a , FIG. 6b and FIG. 6c .

Among them, reference signs:

100 Optical component positioning adjustment device

110 base

112 upper surface

1122 Photoelectric element setting area

114 side surface

1142 First positioning adjustment structure

116 pins

120 cover body

122 inner surface

1222 Second positioning adjustment structure

124 Optical output and input ports

126 side surface

128 injection port

132 Optical Transmitters

134 drives

136 litter

138 light detection element

140 lens

150 mirrors

160 positioner

170 Positioning hole

600 optical component positioning adjustment device

610 First Cover

612 First contact surface

6122 Third positioning adjustment structure

620 second cover

622 Second contact surface

6222 The fourth positioning adjustment structure

detailed description

A number of embodiments of the present invention will be disclosed in words and figures below. For the sake of clarity, many practical details will be described together in the following description. The practical details above should not be used to limit the present invention; in other words, in some embodiments of the present invention, these practical details are unnecessary, modifiable or replaceable. In addition, in order to simplify the drawings, some existing structures and elements will be shown in a simple schematic way in the drawings. Furthermore, the shapes, sizes, proportions, etc. of the elements in the icons are only for illustration, and are for those skilled in the art to understand the contents of the utility model, and are not intended to limit the implementation of the utility model.

Each embodiment of the content described below has one or more technical features. Under the premise that the implementation is feasible, those skilled in the art can selectively implement any embodiment according to the utility model and their own needs or design specifications. Part or all of the technical features, or selectively implementing a combination of some or all of the technical features in multiple embodiments, thereby increasing the flexibility of the implementation of the present invention.

Regarding terms such as "first" and "second" used herein, these terms do not refer to a sequence or sequence, nor are they used to limit the present utility model, but are only used to distinguish components or operations described with the same technical terms That's all.

Please refer to FIG. 1 a and FIG. 1 b , which are schematic diagrams of an embodiment of an optical component positioning adjustment device of the present invention. As shown in FIG. 1 a and FIG. 1 b , the optical component positioning adjustment device includes a base 110 and at least one cover 120 , and a schematic view of the assembly is shown in FIG. 2 . The base 110 includes a top surface 112 and a side surface 114 . The upper surface 112 includes a photoelectric element setting area 1122, which is used to set at least one photoelectric element (as shown in FIG. 4 ). The material of the photoelectric element setting area 1122 can be selected from materials with good heat dissipation such as metals, carbon materials, etc. Or be consistent with the material (such as plastic) of other main parts of the base 110, the at least one photoelectric element may or may not be included in the optical component positioning adjustment device 100, that is, the at least one photoelectric element may or may not be an optical component. Part of the component positioning adjustment device 100 . An embodiment of the at least one photoelectric element includes a light emitter (such as a vertical cavity surface emitting laser (Vertical Cavity Surface Emitting Laser; VCSEL), or other known or self-developed light emitters) and/or a light receiver, and can be coupled together with a signal processing circuit through at least one of the pin 116 and wire bonding, other known electrical signal transmission methods, etc., so that the at least one photoelectric element can be connected from the signal processing circuit The pin 116 may or may not be included in the base 110 for receiving electrical signals to generate optical signals and/or receiving optical signals to output electrical signals to the signal processing circuit. A first positioning adjustment structure 1142 is formed on the side surface 114. In this embodiment, the first positioning adjustment structure 1142 is a screw thread structure (in another embodiment, the first positioning adjustment structure 1142 is a step-by-step buckling structure) , but this is not an implementation limitation. Other structures that can achieve stepless adjustment or structures that can achieve multi-stage adjustment are like the gap between multiple but discontinuous guide grooves/rails in the same direction and every two adjacent guide grooves/rails The guide grooves/rails are collectively formed as The shape structure can also be used for the first positioning adjustment structure 1142.

Referring to FIGS. 1 a to 3 b , at least one cover body 120 includes an inner surface 122 , a light output and input port 124 and a side surface 126 . A second positioning adjustment structure 1222 is formed on the inner surface 122, which coincides with the first positioning adjustment structure 1142. In this embodiment, the second positioning adjustment structure 1222 is a screw structure (in another embodiment, the second positioning adjustment structure Structure 1222 is a step-by-step snap-fit structure), but this is not an implementation limitation, other structures that can achieve stepless adjustment or structures that can achieve multi-stage adjustment are like a guided protrusion/concave (structurally corresponding to the aforementioned guide groove /rail) can also be used for the second positioning adjustment structure 1222. The optical output and input port 124 is used for optical transmission, and can transmit the optical signal from the aforementioned at least one optoelectronic component to one or more optical fibers, or transmit the optical signal from the optical fiber to the at least one optoelectronic component, wherein the optical fiber can be positioned at In at least one cover body 120 or on at least one cover body 120 . If it is desired to locate the optical fiber in at least one cover body 120, a lens 140 can be arranged in at least one cover body 120 to enhance the optical coupling effect, wherein the lens 140 can be aligned with the light output and input port 124, and can be a spherical mirror or an Spherical mirror; and if the optical fiber is intended to be positioned outside at least one cover body 120, the lens 140 can be arranged in at least one cover body 120 or on at least one cover body 120 to enhance the optical coupling effect, similarly, the lens 140 can be aligned with the light The input and output ports 124; it should be noted that the above-mentioned lens 140 may or may not be included in the optical component positioning adjustment device. In addition, the distance between the light output and input port 124 and the aforementioned upper surface 112 (or the distance between the light output and input port 124/lens 140 and the upper surface 112/the at least one photoelectric element) can be adjusted by the second positioning structure 1222 and the first positioning adjustment structure 1142 of the increase or decrease of the contact area is adjusted, for example, when the second positioning adjustment structure 1222 (such as thread structure) and the first positioning adjustment structure 1142 (such as thread structure) of the contact area When the distance increases, the distance between the light output and input port 124 and the upper surface 112 decreases, and vice versa.

Please refer to FIG. 1a to FIG. 4, the aforementioned at least one optoelectronic element includes an optical transmitter and/or an optical receiver, and may optionally include a driver and/or an amplifier, when the aforementioned at least one optoelectronic element includes a light emitting A device 132, a driver 134 are used to drive the light emitter 132, and a plurality of spacers 136 are used for the electrical connection and/or heat dissipation between the light emitter 132 and the driver 134, in order to detect whether the light emitter 132 reaches the expected light output Effect, at least one cover 120 can be provided with a reflector 150 to reflect the light of the light emitter 132, and the at least one photoelectric element includes a light detection element 138 for detecting the light reflected by the reflector 150 and generating A detection result, the detection result can be analyzed by the aforementioned signal processing circuit, or by an analysis circuit (such as the circuit included in the light detection element 138 ). For example, the light detection element 138 includes a photoresistor, and the analysis circuit is, for example, a voltage or current detection circuit that can detect the voltage or current change of the photoresistor, so as to know whether the light of the light emitter 132 is As expected, to monitor output light and adjust light intensity. It should be noted that the reflector 150 may be included in or independent from the optical component positioning adjustment device 100 .

Please refer to FIG. 1a to FIG. 4 again, in order to compensate when the light of the light transmitter 132 is not as expected, the aforementioned signal processing circuit or analysis circuit may further include a compensation function, which is used to adjust the light according to the aforementioned detection results. The light emitted by the emitter 132. For example, the compensation function is a light attenuation compensation function, which can adjust the parameters of the light emitter 132 and/or the driver 134 or other parameters related to the light output effect when the detection result indicates that the light of the light emitter 132 is lower than expected. parameter, thereby enhancing the light emitted by the light emitter 132.

Please refer to FIG. 1a to FIG. 5 , in order to adjust the position of the base 110 in a first direction (or the position of the aforementioned at least one photoelectric element in the first direction) to improve the optical coupling effect, the optical component positioning adjustment device 100 Contains at least one positioning piece 160, at least one positioning piece 160 corresponds to at least one positioning hole 170 contained in at least one cover body 120, at least one positioning hole 170 exposes at least a part of the base 110, so at least one positioning piece 160 can pass through at least one The positioning hole 170 touches the base 110 , so that the position of the base 110 in the first direction can be adjusted by the contact between at least one positioning member 160 and the base 110 . For example, there are four positioning pieces 160, corresponding to the four positioning holes 170 located on the front, rear, left and right positions of the at least one cover body 120, and at least one of the four positioning pieces 160 is A locator 160 with an elastic structure is like a combination of a spring (or a gasket) and a screw. At this time, the positioning hole 170 corresponding to the locator 160 with an elastic structure is a screw hole, so that the spring (or a gasket) or the gasket) into the screw hole, the screw can be tightened in the screw hole, and the spring (or the gasket) exerts force to press the base 110, and then the spring (or the gasket) The force acting on the base 110 to adjust the position of the base 110 in the first direction. The first direction can be the direction defined by the shortest line between the front and rear two positioning holes 170 (or the two left and right positioning holes 170); the first direction is usually perpendicular to the normal direction of the upper surface, but Not to impose restrictions. Since those skilled in the art can deduce from the above description how to adjust the position of the base 110 in other directions through the arrangement of the positioning holes 170 and the use of the positioning member 160, repeated and redundant descriptions are given here. Abridged. It should be noted that, if the position of the base 110 in the first direction does not need to be adjusted, the above-mentioned design of the positioning member 160 and the positioning hole 170 is unnecessary.

The aforementioned at least one cover 120 can be fixed with the base by a photosensitive glue (such as ultraviolet glue (UV glue)), a heat sensitive glue (such as epoxy resin (Epoxy)) or other glue for fixing. When the at least one cover 120 is fixed with the base by a photosensitive adhesive, at least a part of the at least one cover 120 is transparent, so that the photosensitive adhesive can react to external radiation through the transparent part. In addition, at least one cover body 120 can be formed with one or more glue injection ports 128 or similar structures. After the relative position of at least one cover body 120 and the base 110 is determined, the above-mentioned glue can be injected into the one or more glue injection ports 128 To fix the cover 120 and the base 110 . Please note that other known or self-developed fixing means can replace the above glue to fix the cover 120 and the base 110 . Please also note that the glue can be coated on the first positioning adjustment structure 1142 of the base 110 and/or the second positioning adjustment structure 1222 of at least one cover 120 in advance, and the glue injection port 128 can be optionally omitted at this time.

Please refer to FIG. 6 a to FIG. 6 c , which are schematic diagrams of another embodiment of the optical component positioning adjustment device of the present invention. Compared with Fig. 1a and Fig. 1b, at least one cover body of the optical component positioning adjustment device 600 in Fig. 6a to Fig. 6c includes a first cover body 610 and a second cover body 620, the first and second cover bodies 610, The schematic diagrams of 620 under different viewing angles are shown in FIGS. 7 a to 7 b and FIGS. 8 a to 8 c , and the combined schematic diagram of the optical component positioning adjustment device 600 is shown in FIG. 9 . As shown in Figures 6a to 9, the first cover 610 includes the aforementioned inner surface 122, the second positioning adjustment structure 1222, the injection port 128 and the positioning hole 170, and also includes a first contact surface 612, the first contact surface 612 forms a third positioning adjustment structure 6122 . The second cover body 620 has the aforementioned light output and input port 124; the aforementioned lens 140 is arranged in the second cover body 620 or on the second cover body 620, and the lens 140 can be aligned with the light output and input port 124; The reflector 150 can be optionally arranged inside the body 620; in addition, the second cover body 620 includes a second contact surface 622, and a fourth positioning adjustment structure 6222 is formed on the second contact surface 622. The fourth positioning adjustment structure 6222 coincides with the aforementioned third positioning adjustment structure 6122, wherein the distance between the light output and input port 124 and the upper surface 112 (or the distance between the light output and input port 124/lens 140 and the upper surface 112/the aforementioned at least one photoelectric element The distance) can be adjusted by increasing or decreasing the contact area between the fourth positioning adjustment structure 6222 and the third positioning adjustment structure 6122 .

Please continue to refer to FIG. 6a to FIG. 9 . In an implementation of this embodiment, the third positioning adjustment structure 6122 and the fourth positioning adjustment structure 6222 are two matching thread structures (in another embodiment, the third positioning adjustment structure 6122 and the fourth positioning adjustment structure 6222 is a two-phase matching stage buckle structure), but this is not an implementation limitation, other structures that can achieve stepless adjustment or structures that can achieve multi-stage adjustment (such as the corresponding guide groove/rail and the receiving structure of the previously revealed structure) The design of the guiding protrusion/concave) can also be used for the third and fourth positioning adjustment structures 6122, 6222. In an implementation form of this embodiment, the material of the first cover 610 is metal, so the first cover 610 can provide a shielding effect, thereby achieving the effect of electromagnetic interference (Electromagnetic Interference; EMI) protection; in this embodiment In an embodiment, the optical component positioning adjustment device 600 includes the aforementioned at least one positioning member 160, the first cover 6122 includes the aforementioned at least one positioning hole 170, at least one positioning hole 170 exposes at least a part of the base 110, and at least one positioning The member 160 contacts the base 110 through at least one positioning hole 170 , so that the position of the base 110 in a first direction can be adjusted by the contact between the at least one positioning member 160 and the base 110 . In an implementation of this embodiment, the first cover 610 is fixed with the second cover 620 by a photosensitive adhesive or a heat-sensitive adhesive; when the first cover 610 is fixed to the second cover 620 by a photosensitive adhesive When the two cover bodies 620 are fixed together, at least a part of at least one of the first cover body 610 and the second cover body 620 is light-transmissive, more specifically, the first cover body 610 and the second cover body 620 both Among them, at least a part of the outside is light-transmissive, so that the photosensitive adhesive can react to external radiation through the light-transmitting part; in this embodiment, the second cover 620 is located outside the first cover 610, That is, when the two are combined, the second cover 620 will cover at least a part of the first cover 610 , but this is not a limitation.

Since those skilled in the art can infer the details and changes of the embodiment in FIG. 6a to FIG. 9 through the disclosure of the embodiment in FIG. 1a to FIG. It is applied to the embodiments of FIG. 6a to FIG. 9 , therefore, on the premise of not affecting the disclosure requirements and practicability, repetitive and redundant descriptions are omitted here.

To sum up, the optical component positioning adjustment device of the present invention can precisely adjust the component positioning and focus in a cost-effective manner, has a high tolerance for design errors, and is not easily affected by changes in the external environment.

Certainly, the utility model also can have other various embodiments, under the situation of not departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and distortions according to the utility model, but these Corresponding changes and deformations should all belong to the protection scope of the claims of the present invention.

Claims (20)

1. a kind of optical assembly positioning adjustment device, it is characterised in that include：

One pedestal, comprising a upper surface and a side surface, the wherein upper surface is the side table for arranging an at least photoelectric cell Face is formed with one first positioning regulating structure, and first positioning regulating structure is a non-even surface；And

An at least cover body, comprising an inner surface, the inner surface is formed with one second positioning regulating structure, the second positioning adjustment knot Structure is a non-even surface, and second positioning regulating structure matched with first positioning regulating structure,

Wherein an at least cover body has a light output input port for being used for optical transport, and the light output input port and the upper surface The distance between can add deduct by second positioning regulating structure and the increasing of the contact area of first positioning regulating structure It is adjusted less.

2. optical assembly positioning adjustment device according to claim 1, it is characterised in that a positioning regulating structure with this Two positioning regulating structures are two helicitic textures for matching.

3. optical assembly positioning adjustment device according to claim 1, it is characterised in that be provided with an at least cover body Speculum, is provided with an at least photoelectric cell on the upper surface, and an at least photoelectric cell is used for detecting that this is anti-comprising one Penetrate the mirror light for being reflected the photodetector for producing a testing result according to this.

4. optical assembly positioning adjustment device according to claim 3, it is characterised in that an at least photoelectric cell is further Comprising the compensating element, that a photocell and are used for adjusting the light launched by the photocell according to the testing result.

5. optical assembly positioning adjustment device according to claim 4, it is characterised in that an at least cover body includes：

One first cover body, comprising the inner surface and one first contact surface, first contact surface is formed with one the 3rd positioning adjustment knot Structure, the 3rd positioning regulating structure are a non-even surface；And

One second cover body, second cover body have in the light output input port and second cover body and are provided with the speculum, and this Two cover bodies include one second contact surface, are formed with one the 4th positioning regulating structure, the 4th positioning adjustment on second contact surface Structure is a non-even surface, and the 4th positioning regulating structure matched with the 3rd positioning regulating structure,

Wherein the distance between the light output input port and the upper surface also can by the 4th positioning regulating structure with this The the increasing or decreasing for contact area of three positioning regulating structures and be adjusted.

6. optical assembly positioning adjustment device according to claim 5, it is characterised in that the 3rd positioning regulating structure with should 4th positioning regulating structure is two helicitic textures for matching.

7. optical assembly positioning adjustment device according to claim 5, it is characterised in that first positioning regulating structure with should Second positioning regulating structure is two helicitic textures for matching.

8. optical assembly positioning adjustment device according to claim 5, it is characterised in that the material of first cover body is gold Category.

9. optical assembly positioning adjustment device according to claim 5, it is characterised in that first cover body is comprising at least certain Position hole, an at least location hole expose at least a portion of the pedestal, and the optical assembly positioning adjustment device is further comprising at least Positioning piece, at least positioning piece contact the pedestal via an at least location hole, and the pedestal is located on a first direction Position can be adjusted by the contact at least between positioning piece and the pedestal.

10. optical assembly positioning adjustment device according to claim 9, it is characterised in that at least positioning piece is at least for this One of them is a keeper with elastic construction, and the first direction is perpendicular to the normal direction of the upper surface.

11. optical assembly positioning adjustment devices according to claim 1, it is characterised in that an at least cover body includes：

One first cover body, comprising the inner surface and one first contact surface, first contact surface is formed with one the 3rd positioning adjustment knot Structure, the 3rd positioning regulating structure are a non-even surface；And

There is the light output input port, second cover body to include one second contact surface for one second cover body, second cover body, and this second It is formed with one the 4th positioning regulating structure on contact surface, the 4th positioning regulating structure is a non-even surface, and the 4th positioning Adjustment structure is matched with the 3rd positioning regulating structure；

Wherein the distance between the light output input port and the upper surface also can by the 4th positioning regulating structure with this The the increasing or decreasing for contact area of three positioning regulating structures and be adjusted.

12. optical assembly positioning adjustment devices according to claim 11, it is characterised in that first cover body is photosensitive by one Glue or a heat-sensitive glue and be fixed together with second cover body.

13. optical assembly positioning adjustment devices according to claim 11, it is characterised in that the 3rd positioning regulating structure with 4th positioning regulating structure is two helicitic textures for matching.

14. optical assembly positioning adjustment devices according to claim 11, it is characterised in that first cover body includes at least one Location hole, an at least location hole expose at least a portion of the pedestal, and the optical assembly positioning adjustment device is further comprising extremely Few positioning piece, at least positioning piece contact the pedestal via an at least location hole, and the pedestal is located on a first direction Position can be adjusted by the contact at least between positioning piece and the pedestal.

15. optical assembly positioning adjustment devices according to claim 14, it is characterised in that at least positioning piece is at least for this One of them is a keeper with elastic construction.

16. optical assembly positioning adjustment devices according to claim 14, it is characterised in that the first direction is on this Normal to a surface direction.

17. optical assembly positioning adjustment devices according to claim 1, it is characterised in that in an at least cover body or this extremely Lens are provided with a few cover body, the lens alignment light output input port.

18. optical assembly positioning adjustment devices according to claim 1 a, it is characterised in that at least cover body is photosensitive by one Glue or a heat-sensitive glue and be fixed together with the pedestal.

19. optical assembly positioning adjustment devices according to claim 1, it is characterised in that an at least cover body is comprising at least One location hole, an at least location hole expose at least a portion of the pedestal, and the optical assembly positioning adjustment device further includes At least positioning piece, at least positioning piece contact the pedestal via an at least location hole, and the pedestal is located at a first direction On position can be adjusted by the increasing or decreasing for effect strength at least between positioning piece and the pedestal.

20. optical assembly positioning adjustment devices according to claim 19, it is characterised in that at least positioning piece is at least for this One of them is a keeper with elastic construction, and the first direction is perpendicular to the normal direction of the upper surface.