CN111722341A

CN111722341A - Optical element fixing assembly and light source system

Info

Publication number: CN111722341A
Application number: CN201910209555.XA
Authority: CN
Inventors: 文新柏; 李屹
Original assignee: Appotronics Corp Ltd
Current assignee: Shenzhen Appotronics Corp Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-09-29
Also published as: WO2020187215A1

Abstract

The invention provides an optical element fixing assembly and a light source system, wherein the optical element fixing assembly is used for the light source system, the light source system comprises a shell, the optical element fixing assembly is fixed on the shell, the optical element fixing assembly comprises a bearing piece, a first optical element and a second optical element, the bearing piece is of an integrated structure, the first optical element is fixed on the bearing piece, the second optical element is fixed on the bearing piece and is parallel to the first optical element, and therefore incident light forms parallel emergent light after the action of the second optical element and the first optical element. The optical element fixing component and the light source system provided by the invention have the advantages that the bearing piece is arranged into an integrated structure, the structure is simple, the processing is simple, the cost is low, the bearing piece can be produced in batches, the parallel precision can be ensured, and the assembly is convenient. The second optical element and the first optical element are arranged in parallel, so that the area of emergent light spots is reduced, the effect of energy concentration is achieved, and the light effect is improved.

Description

Optical element fixing assembly and light source system

Technical Field

The invention relates to the technical field of optics, in particular to an optical element fixing assembly and a light source system.

Background

The luminous body of equipment such as projection arrangement itself structure is great, need great installation space, need compress the facula earlier before lens in order to realize the multichannel parallel beam of miniaturized luminous body of projection arrangement, it realizes like this technological requirement to use two diaphragms more in the current optical path, parallel beam after two diaphragms need keep parallel, this needs the very high fixing device of a depth of parallelism to fix two diaphragms, however, current fixing device is difficult to process, and process the trench that corresponds on the shell, it is difficult to process, and current fixing device is difficult to guarantee the mutual parallelism of two diaphragms.

Disclosure of Invention

The present invention is directed to an optical element fixing assembly and a light source system to solve the above problems. The embodiment of the invention achieves the aim through the following technical scheme.

In a first aspect, the present invention provides an optical element fixing assembly, where the optical element fixing assembly is used in a light source system, the light source system includes a housing, the optical element fixing assembly is fixed to the housing, and the optical element fixing assembly includes a supporting member, a first optical element and a second optical element, where the supporting member is an integrated structure, the first optical element is fixed to the supporting member, and the second optical element is fixed to the supporting member and parallel to the first optical element, so that incident light forms parallel emergent light after the incident light is acted on the second optical element and the first optical element.

In one embodiment, the carrier comprises a first plate, a second plate, and a third plate, the first and second plates being parallel, the third plate being disposed between the first and second plates.

In one embodiment, the first optical element is secured between the first plate and the second optical element is secured between the first plate and the second plate.

In one embodiment, the bearing member includes three first positioning steps, each of the first plate and the second plate has at least one first positioning step, and the first optical element is attached to the three first positioning steps.

In one embodiment, the optical element fixing assembly further includes a plurality of elastic fixing members disposed on the first plate and the second plate, the elastic fixing members include a fixing portion and a bending portion connected at an acute angle, the fixing portion is fixed to the supporting member, and a projection of the bending portion toward the third plate falls into the first positioning step.

In one embodiment, the number and the positions of the elastic fixing pieces correspond to those of the first positioning steps one by one.

In one embodiment, the carrier further includes three second positioning steps, the three second positioning steps are disposed on the third plate, and the second optical element is attached to the three second positioning steps.

In one embodiment, the optical element fixing assembly further includes a plurality of elastic fixing members disposed on the third plate, each elastic fixing member includes a fixing portion and a bending portion connected at an acute angle, the fixing portion is fixed to the supporting member, and a projection of the bending portion toward the third plate falls into the second positioning step.

In one embodiment, the number and the positions of the elastic fixing pieces correspond to those of the second positioning steps one to one.

In one embodiment, the carrier further comprises a plurality of first and second limiting portions, the plurality of first limiting portions being disposed at edges of the first and second plates to limit the first optical element; the plurality of second limiting parts are arranged at the edge of the third plate to limit the second optical element.

In a second aspect, the present invention provides a light source system, which includes the optical element fixing assembly and a housing, wherein the optical element fixing assembly is accommodated in the housing.

Compared with the prior art, the optical element fixing assembly and the light source system provided by the invention have the advantages that the bearing piece is arranged into an integrated structure, the structure is simple, the processing is simple, the cost is low, the bearing piece can be produced in batches, the parallel precision can be ensured, the assembly is convenient, and the optical element is fixed on the bearing piece, so that the optical element fixing assembly and the light source system can be firmly and reliably fixed. The second optical element and the first optical element are arranged in parallel, so that the area of emergent light spots is reduced, the effect of energy concentration is achieved, and the light effect is improved.

Drawings

In order to more clearly illustrate the technical solution in the present embodiment, the drawings needed to be used in the description of the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an optical element fixing assembly according to an embodiment of the present invention.

Fig. 2 is a top view of an optical component mounting assembly provided by an embodiment of the present invention.

Fig. 3 is an optical path diagram of an optical component mounting assembly provided by an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a carrier of an optical element fixing assembly according to an embodiment of the present invention.

Fig. 5 is a top view of fig. 4.

Fig. 6 is an exploded view of an optical component mounting assembly according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a light source system according to an embodiment of the present invention.

Detailed Description

To facilitate an understanding of the present embodiments, the present embodiments will be described more fully below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the present examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and fig. 2, the present embodiment provides an optical element fixing assembly 10, the optical element fixing assembly 10 is used in a light source system, the light source system includes a housing, the optical element fixing assembly 10 is fixed to the housing, the optical element fixing assembly 10 includes a supporting member 11, a first optical element 13 and a second optical element 15, the supporting member 11 is an integrated structure, the first optical element 13 is fixed to the supporting member 11, and the second optical element 15 is fixed to the supporting member 11 and is parallel to the first optical element 13, so that incident light passes through the second optical element 15 and the first optical element 13 to form parallel emergent light.

Specifically, in this embodiment, the optical element fixing component 10 is used for a light source system, the light source system includes a housing, the housing is a housing of the light source system, the optical element fixing component 10 is a component independent of the housing, the optical element fixing component 10 is fixed to the housing, the fixing manner can be a screw joint, and the like, the optical element fixing component 10 is fixed to the housing as an independent component, so that the optical element fixing component 10 can be conveniently assembled and maintained in a later stage by a production line in an earlier stage, the assembling time is saved, and the parallel accuracy of the optical element is easily ensured.

Referring to fig. 1, in the present embodiment, the supporting member 11 includes a first plate 111, a second plate 113, and a third plate 115, where the first plate 111 and the second plate 113 are parallel, and the first plate 111 and the second plate 113 may have the same shape, that is, the first plate 111 and the second plate 113 may be approximately symmetrical about a central axis of the third plate 115, so that the process of the supporting member 11 may be simpler, and the mass production of the supporting member 11 may be facilitated. In other embodiments, the first plate 111 and the second plate 113 may also be disposed obliquely to each other. The third plate 115 is disposed between the first plate 111 and the second plate 113, and both ends of the third plate 115 may protrude from the edge of the first plate 111 or the second plate 113, and may be connected end to end with the first plate 111 and the second plate 113. Accordingly, the first plate 111 or the second plate 113 may protrude from the edge of the third plate 115. The first plate 111, the second plate 113, and the third plate 115 may be made of metal, and may be manufactured as an integral structure through a die casting, forging, rolling, or the like.

The first plate 111 has a substantially parallelogram plate-shaped configuration, and the first plate 111 includes a first end surface 1112, a first inner surface 1114, and a first outer surface 1116, wherein the first outer surface 1116 is opposite to the first inner surface 1114, the first inner surface 1114 is directly connected to the third plate 115, and the first end surface 1112 is adapted to be connected to the first inner surface 1114 and the first outer surface 1116.

The first end surface 1112 and the first outer surface 1116 may transition through a curved surface therebetween, and the strength of the edge of the first plate 111 may be increased by disposing the first end surface 1112 and the first outer surface 1116 to meet through a curved transition therebetween. It is understood that the first end surface 1112 and the first inner surface 1114 may meet by a cambered transition. In this embodiment, the first outer surface 1116 may be parallel to the first inner surface 1114, and in other embodiments, the first outer surface 1116 and the first inner surface 1114 may be angled with respect to each other.

The second plate 113 is also in a substantially parallelogram plate structure, the second plate 113 may be parallel to the first plate 111, and the second plate 113 includes a second end surface 1132, a second inner surface 1134 and a second outer surface 1136, wherein the second end surface 1132 is connected to the second inner surface 1134, the second inner surface 1134 is directly connected to the third plate 115, and the second outer surface 1136 is opposite to the second inner surface 1134, that is, the second end surface 1132 is connected between the second inner surface 1134 and the second outer surface 1136. The second end surface 1132 and the second outer surface 1136 may be transitionally connected by an arc surface, and the second end surface 1132 and the second inner surface 1134 may also be transitionally connected by an arc surface.

The third plate 115 has a generally rectangular plate-like configuration, the third plate 115 is coupled between the first inner surface 1114 and the second inner surface 1134, the third plate 115 includes opposing first and

second surfaces

1152 and 1153, wherein the first surface 1152 is coupled between the first inner surface 1114 and the second inner surface 1134, and the first surface 1152 may be parallel to the second surface 1153. The third plate 115 also includes first and second

opposing sides

1154 and 1156, the first side 1154 can be coplanar with the first inner surface 1114, the second side 1156 can be coplanar with the second inner surface 1134, and the first side 1154 can also be parallel to the second side 1156.

The first optical element 13 is fixed to the carrier 11, specifically, the first optical element 13 may have a substantially rectangular plate-shaped structure, and the first optical element 13 may have both functions of reflecting light and transmitting light. The first optical element 13 is fixed between the first plate 111 and the second plate 113.

In other embodiments, the first optical element 13 can also be directly attached between the first end surface 1112 and the second end surface 1132.

The second optical element 15 is fixed to the carrier 11, and specifically, in the present embodiment, the second optical element 15 may also be a substantially rectangular plate-shaped structure, and the second optical element 15 may have a function of reflecting light. The second optical element 15 is fixed between the first plate 111 and the second plate 113.

In other embodiments, the second optical element 15 may also be directly attached to the first surface 1152 of the third plate 115. The second optical element 15 reflects the incident light and reflects the light to the first optical element 13. Referring to fig. 3, the optical element fixing assembly 10 can reduce the light spot area, and is specifically shown in that a light source with a large light spot area emits incident light, the incident light is incident to the first optical element 13 and the second optical element 15 at the same time, a part of the incident light is reflected by the second optical element 15 and the first optical element 13 in sequence to form a part of emergent light, and the other part of the incident light directly passes through the first optical element 13 to join with the part of emergent light, so as to reduce the light spot area.

In summary, the optical element fixing assembly 10 provided in the present embodiment sets the supporting member 11 to be an integral structure, so that the supporting member 11 can be mass-produced, and the parallel precision can be ensured, and the assembly is convenient. By arranging the second optical element 15 in parallel with the first optical element 13, the area of the emergent light spot is reduced, so that the effect of energy concentration is achieved, and the light effect is improved.

Referring to fig. 4, the supporting member 11 may further include a first positioning step 117, a second positioning step 118, and the like.

The supporting member 11 further includes three first positioning steps 117, the three first positioning steps 117 are respectively disposed on the first end surface 1112 and the second end surface 1132, that is, the first end surface 1112 and the second end surface 1132 are at least provided with one first positioning step 117, for example, the first end surface 1112 is provided with two first positioning steps 117 and the second end surface 1132 is provided with one first positioning step 117, positions of the two first positioning steps 117 located on the first end surface 1112 relative to the first end surface 1112 may be the same, and the first optical element 13 is plane-supported by disposing the supporting member 11 in a three-point supporting positioning structure. It is also possible to provide one first positioning step 117 on the first end surface 1112 and two first positioning steps 117 on the second end surface 1132 to provide planar support for the first optical element 13. In this embodiment, the edge of the first positioning step 117 may be located inside the first end surface 1112, and in other embodiments, the edge of the first positioning step 117 may be flush with the edge of the first end surface 1112. The heights of the three first positioning steps 117 may be all the same, so that a supporting surface may be formed for supporting other elements, thereby ensuring flatness of the optical element.

The supporting member 11 further includes three second positioning steps 118, three second positioning steps 118 protrude from the first surface 1152, the second positioning steps 118 are distributed at two ends of the third plate 115 along the direction from the first plate 111 to the second plate 113, and at least two second positioning steps 118 located at the same side may be randomly distributed on the first surface 1152, or may be arranged according to a certain rule, such as a linear matrix or a circular matrix. The heights of the three second positioning steps 118 may be the same, and the heights of the second positioning steps 118 and the first positioning steps 117 may be the same, so that the processing difficulty may be reduced, for example, when the carrier 11 is milled, the second step may be directly processed from the first step without switching the step height parameters in programming. It will be appreciated that the heights of the second positioning step 118 and the first positioning step 117 may also be different.

Referring to fig. 4, the carrier 11 further includes a plurality of first limiting portions 119 and a plurality of second limiting portions 120, the plurality of first limiting portions 119 are disposed at the edges of the first board 111 and the second board 113, specifically, in this embodiment, two first limiting portions 119 are respectively disposed at two ends of the first end surface 1112 along a direction perpendicular to the first board 111 to the second board 113, a distance between the two first limiting portions 119 can be set according to an actual situation, the first limiting portions 119 protrude from the first end surface 1112, the other two first limiting portions 119 are respectively disposed at two ends of the second end surface 1132 along a direction perpendicular to the first board 111 to the second board 113, and the first limiting portions 119 further protrude from the second end surface 1132. In other embodiments, the first end surface 1112 may include two first position-limiting portions 119 and the second end surface 1132 includes one first position-limiting portion 119, in one embodiment, each of the first end surface 1112 and the second end surface 1132 includes one first position-limiting portion 119, and the two first position-limiting portions 119 are located at two ends of the carrier 11. The two first position-limiting portions 119 on the same side of the first plate 111 and the second plate 113 correspond in position, where "correspond" may be understood as a connecting line between central axes of the two position-limiting portions may be parallel to a boundary of the first end surface 1112.

The plurality of second position-limiting portions 120 are disposed at an edge of the third plate 115, and specifically, the plurality of second position-limiting portions 120 protrude from the first surface 1152, a protruding height of the second position-limiting portions 120 may be the same as a protruding height of the first position-limiting portion 119, and at least two second position-limiting portions 120 of the plurality of second position-limiting portions 120 are respectively disposed at two ends of the first surface 1152 along a direction perpendicular to the first plate 111 to the second plate 113. When either side of the first surface 1152 includes 2, 3 or more second position-limiting portions 120, the connecting lines between the center lines of the second position-limiting portions 120 on the same side may be located on the same straight line.

Referring to fig. 4, the carrier 11 further has a plurality of through holes 116 and a plurality of grooves 114, in this embodiment, the through holes 116 are all located on the first plate 111, that is, the through holes 116 are spaced from each other, and the through holes 116 penetrate through the first outer surface 1116 and the first inner surface 1114 of the first plate 111. The plurality of grooves 114 are distributed on the first plate 111, the second plate 113, and the third plate 115, and specifically, the plurality of grooves 114 are respectively disposed on the first outer surface 1116 of the first plate 111, the second outer surface 1136 of the second plate 113, and the first surface 1152 of the third plate 115. In other embodiments, a plurality of grooves 114 may also be disposed on the first inner surface 1114 of the first plate 111, the second inner surface 1134 of the second plate 113, and the second surface 1153 of the third plate 115, and by providing a plurality of through holes 116 and a plurality of grooves 114 on the carrier 11, the weight of the carrier 11 may be reduced and material costs may be saved, thereby ultimately reducing the weight of the equipment containing the carrier 11.

The carrier 11 is further provided with a plurality of clearance grooves 121, and the plurality of clearance grooves 121 are respectively provided on the first outer surface 1116 of the first plate 111 and the second outer surface 1136 of the second plate 113. By providing a plurality of clearance grooves 121, the weight of the carrier 11 can be reduced and the material cost can be saved, and other elements, such as elastic fixing members, can also be clearance-avoided.

Referring to fig. 5, the carrier 11 further includes a plurality of positioning holes 112, in the embodiment, the positioning holes 112 are disposed on the third plate 115, the positioning holes 112 penetrate from the first surface 1152 to the second surface 1153, the number of the positioning holes 112 may be 1, 2, 3, and so on, and a connection line between centers of 2 or more positioning holes 112 may be parallel to an intersection line of the first surface 1152 and the first side surface 1154. In other embodiments, the positioning hole 112 may also be disposed on the first plate 111 or the second plate 113. The positioning holes 112 can be used for positioning in cooperation with a jig on a processing machine for processing the carrier 11 when the carrier 11 is manufactured, so that the manufacturing and mass production of the carrier 11 are facilitated.

Referring to fig. 6, the optical element fixing assembly 10 further includes a plurality of elastic fixing members 17, the plurality of elastic fixing members 17 are disposed on the first outer surface 1116, the second outer surface 1136, the first side surface 1154 and the second side surface 1156, specifically, the elastic fixing member 17 includes a fixing portion 171 and a bending portion 173, both the fixing portion 171 and the bending portion 173 can be sheet-shaped structures, the fixing portion 171 is provided with three holes (not labeled) disposed in parallel, wherein a middle hole can be matched with the hole on the supporting member 11 through a screw, and two other holes located at two sides of the middle hole are matched with two convex pillars on the supporting member 11, so as to fix the fixing portion 171 on the supporting member 11. The bent portion 173 and the fixing portion 171 are connected at an acute angle, so that the bent portion 173 can be elastically connected to the fixing portion 171, and the plurality of elastic fixing members 17 are fixedly disposed on the first outer surface 1116, the second outer surface 1136, the first side surface 1154 and the second side surface 1156 through the respective fixing portions 171.

The elastic fixing members 17 correspond to the first positioning steps 117 and the second positioning steps 118 in number and position, the elastic fixing members 17 are respectively disposed adjacent to the first positioning steps 117 and the second positioning steps 118, so that the bent portions 173 of the elastic fixing members 17 respectively correspond to the surface positions of the first positioning steps 117 and the second positioning steps 118, that is, the projections of the bent portions 173 toward the third plate 115 respectively fall into the corresponding first positioning steps 117 and the second positioning steps 118, and the positions where the bent portions 173 of the elastic fixing members 17 respectively press against the corresponding first optical elements 13 are symmetrical with respect to the center of the first optical elements 13, so as to ensure the flatness of the first optical elements 13 fixed on the carrier, and meanwhile, the positions where the bent portions 173 of the elastic fixing members 17 respectively press against the corresponding second optical elements 15 are also symmetrical with respect to the center of the second optical elements 15, to ensure the flatness of the second optical element 15 fixed on the carrier, the elastic fixing member 17 may be made of metal.

Referring to fig. 6, in the present embodiment, the first optical element 13 is attached to the three first positioning steps 117, and the first optical element 13 is fixed to the supporting member 11 by the limiting function of the first limiting portion 119 and the fixing function of the elastic fixing member 17 correspondingly installed to the first positioning steps 117, so as to achieve the purpose of firmly and reliably fixing the second optical element 15. The second optical element 15 is attached to the three second positioning steps 118, and the second optical element 15 is supported in a plane, and the second optical element 15 is fixed to the third plate 115 of the carrier 11 by the limiting action of the second limiting portion 120 and the fixing action of the elastic fixing member 17 correspondingly mounted to the second positioning steps 118, so that the second optical element 15 is fixed firmly and reliably.

The carrier 11 further includes a fixing step 110, in this embodiment, the fixing step 110 protrudes from the second outer surface 1136, and in other embodiments, the fixing step 110 is also fixed to other components of the carrier 11, for example, a housing of the light source system, so that the carrier 11 can be installed inside the light source system, and the fixing manner can be adhesion, screwing, clipping, and the like.

Referring to fig. 3, a specific example of a process of manufacturing the carrier 11 according to the present embodiment is described below. Firstly, a blank-shaped bearing piece 11 can be formed by die-casting, that is, the bearing piece is of an integrally-formed structure, and the edge of the bearing piece 11 is rounded, so that the strength of the edge of the bearing piece 11 is increased; then, the second surface 1153 of the third plate 115 is milled or polished to make the second surface 1153 approximately planar; and using the second surface 1153 as a processing positioning surface, processing the first plate 111 to form a first end surface 1112 and a first limiting portion 119 on the first end surface 1112, and processing a plurality of first positioning steps 117, processing the second plate 113 to form a second end surface 1132 and a first limiting portion 119 on the second end surface 1132, and processing a plurality of first positioning steps 117, and then continuing to use the second surface 1153 as a processing positioning surface, processing the third plate 115 to form a first surface 1152, three second positioning steps 118, and a plurality of second limiting portions 120, so as to form a finished product of the bearing element 11.

Referring to fig. 7, the present embodiment further provides a light source system 100, the light source system 100 includes the optical element fixing assembly 10 in any one of the above embodiments or implementations, the light source system 100 further includes a housing 20, the optical element fixing assembly 10 is accommodated in the housing 20, specifically, the optical element fixing assembly 10 may be fixed to an inner wall of the housing 20 by a screw or the like, and the optical element fixing assembly 10 is used as an independent assembly, which facilitates early manufacturing assembly and later maintenance.

The light source system 100 further includes at least a lens 30, a main board, an optical engine, and other structures, wherein the structure and connection relationship of the lens 30, the main board, the optical engine, and other components can refer to the prior art.

The light source system 100 provided by the embodiment includes the optical element fixing component 10, and by arranging the bearing member 11 into an integral structure, the structure is simple, the processing is simple, the cost is low, the bearing member 11 can be produced in batch, the parallel precision can be ensured, the installation is convenient, and the first optical element 13 and the second optical element 15 are fixed on the bearing member 11, so that the firm and reliable fixing can be realized. By arranging the second optical element 15 in parallel with the first optical element 13, the area of the emergent light spot is reduced, so that the effect of energy concentration is achieved, and the light effect is improved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An optical component mounting assembly for a light source system including a housing to which the optical component mounting assembly is secured, the optical component mounting assembly comprising:

the bearing piece is of an integrated structure;

a first optical element fixed to the carrier;

the second optical element is fixed on the bearing piece and is parallel to the first optical element, so that incident light forms parallel emergent light after the action of the second optical element and the first optical element.

2. An optical component mounting assembly in accordance with claim 1 wherein the carrier comprises a first plate, a second plate, and a third plate, the first plate and the second plate being parallel, the third plate being disposed between the first plate and the second plate.

3. An optical element mounting assembly according to claim 2 wherein the first optical element is mounted between the first plate and the second optical element is mounted between the first plate and the second plate.

4. The optical component mounting assembly of claim 2 wherein the carrier comprises three first positioning steps, each of the first and second plates has at least one first positioning step, and the first optical component is attached to the three first positioning steps.

5. The optical component fixing assembly according to claim 4, further comprising a plurality of elastic fixing members disposed on the first plate and the second plate, wherein the elastic fixing members include a fixing portion and a bending portion connected at an acute angle, the fixing portion is fixed to the supporting member, and a projection of the bending portion toward the third plate falls into the first positioning step.

6. The optical component mounting assembly of claim 5 wherein the resilient mounting members correspond one-to-one with the number and position of the first positioning steps.

7. The optical element mounting assembly of claim 2 wherein the carrier further comprises three second positioning steps, the three second positioning steps being disposed on the third plate, the second optical element being engaged with the three second positioning steps.

8. The optical component fixing assembly according to claim 7, further comprising a plurality of elastic fixing members disposed on the third plate, wherein the elastic fixing members include a fixing portion and a bending portion connected at an acute angle, the fixing portion is fixed to the supporting member, and a projection of the bending portion toward the third plate falls into the second positioning step.

9. The optical component mounting assembly of claim 8 wherein the number and location of the resilient mounting members correspond one-to-one to the number and location of the second positioning steps.

10. The optical element mounting assembly of claim 1 wherein the carrier further comprises a plurality of first and second retaining portions, the plurality of first retaining portions being disposed at edges of the first and second plates to retain the first optical element; the plurality of second limiting parts are arranged at the edge of the third plate to limit the second optical element.

11. A light source system comprising the optical component fixing assembly as claimed in any one of claims 1 to 10, and further comprising a housing, wherein the optical component fixing assembly is accommodated in the housing.