CN214311264U - Light source mounting plate and light source device - Google Patents

Abstract

The application discloses light source mounting panel and light source device includes: the mounting plate body is used for mounting the light source rack on the projector base; one surface of the mounting plate body facing the projector base is provided with a fixing hole, and the fixing hole is used for inserting a positioning bulge on the projector base; the mounting panel body is provided with a strip-shaped through hole, the strip-shaped through hole is used for inserting a positioning screw rod on the projector base, and when the positioning screw rod penetrates through the strip-shaped through hole and is fastened and connected through a nut, the projector base can be fixedly connected with the mounting panel body. The application provides a light source mounting panel and light source device through setting up the stronger light source mounting panel of commonality, can install the light source frame fast to the different projector bases on, has promoted light source rack-mount's convenience.

Description

Light source mounting plate and light source device

Technical Field

The application relates to the technical field of laser projection, in particular to a light source mounting plate and a light source device.

Background

Laser projection, also known as laser projection display, is a display technology which takes red, green and blue (RGB) tricolor laser as a light source, can truly reproduce rich and gorgeous colors of an objective world, provides more shocking expressive force, and is an important technical innovation in the projection industry. Laser projection has some outstanding advantages over ordinary projection: firstly, the brightness of laser projection is higher, and is three times of that of common projection, so that eyes can see the film more comfortably; secondly, compared with the common projection, the laser projection has higher color expression capability and strong image layering, greatly enhances the 3D effect, and brings higher brightness, wider color gamut, more flexible screen size, better color gradation expression, better definition and visual field; in addition, the laser projection system does not contain ultraviolet rays and infrared rays of a conventional film projector, thereby avoiding light pollution and really achieving healthy viewing.

In the prior art, the early projector light source is a xenon lamp light source assembled by taking a xenon lamp as a light emitting element, and the xenon lamp light source has larger volume and higher energy consumption, so the xenon lamp light source is gradually replaced by a laser light source with small volume, low energy consumption, high brightness and long service life. However, the existing projector base is designed according to the frame of the xenon lamp light source, and the frame of the laser light source is not matched with the projector base, so that the laser light source cannot be smoothly embedded into the projector designed according to the xenon lamp light source.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the prior art, this application provides a light source mounting panel and light source device, through setting up the light source mounting panel, can install the light source frame on the projector base of difference fast to this light source mounting panel commonality is stronger, has promoted the convenience of light source frame installation.

The application adopts the following technical scheme:

in a first aspect, there is provided a light source mounting board comprising: the mounting plate body is used for mounting the light source rack on the projector base; one surface of the mounting plate body facing the projector base is provided with a fixing hole, and the fixing hole is used for inserting a positioning bulge on the projector base; the mounting panel body is provided with a strip-shaped through hole, the strip-shaped through hole is used for inserting a positioning screw rod on the projector base, and when the positioning screw rod penetrates through the strip-shaped through hole and is fastened and connected through a nut, the projector base can be fixedly connected with the mounting panel body.

According to the light source mounting panel that this application provided, including the mounting panel body, this mounting panel body has stronger commonality, can make the light source frame can install on the projector base of difference through this mounting panel body, fine solution under the numerous situation of projector model, different projectors are because there is the difference in its base mounting structure, lead to the comparatively loaded down with trivial details problem of installation process when the light source frame uses with the cooperation of different projector bases, the installation rate of light source frame installation on the projector base has been improved, has stronger practicality.

Wherein, one side of the mounting plate body facing the projector base is provided with a fixing hole for inserting a positioning bulge on the projector base; because the projector base usually has four universal and standardized positioning protrusions, a fixing hole can be formed on one surface of the mounting plate body facing the projector base for the positioning protrusion on the projector base to be inserted, so that the light source mounting plate and the projector base can be fixed most basically.

In addition, the mounting plate body is also provided with a strip-shaped through hole for inserting a positioning screw on the projector base; after the positioning screw rod passes through the strip-shaped through hole and is fastened and connected through the nut, the projector base and the mounting plate body can be fixedly connected.

Because the projector base is provided with the projections such as the positioning screw rods at some unconventional positions, the projections at the unconventional positions can be adapted by arranging the strip-shaped through holes on the mounting plate body; on the other hand, when the fixing hole is not matched with the universal positioning bulge on the projector base, the strip-shaped through hole can also provide a standby reinforcing mode for the light source mounting plate and the projector base.

The light source mounting plate has the advantages that the structure is simple, the universality is high, the mounting speed of the light source frame and different projector bases in the matched use process is greatly increased on the premise that the production cost is well controlled, the realization is easy, and the large-scale popularization and application are facilitated.

In one possible design, the side face of the mounting plate body, which faces the light source rack, is provided with a plurality of mounting holes, the mounting holes correspond to the first through holes in the light source rack one to one, and the connecting piece penetrates through the first through holes and then is fixed in the mounting holes, so that the light source rack is fixedly connected with the mounting plate body.

In one possible design, the mounting plate body further includes a thinning region, such that a user is in the thinning region.

In one possible design, the edge of the mounting plate body is formed with a limit notch for the cylinder on the projector base to be snapped in.

In one possible design, the mounting plate body faces the one side of the projector base is provided with an avoiding groove, and the avoiding groove is used for accommodating a step on the projector base.

In a possible design, an inner groove is formed in the avoiding groove and used for accommodating the protrusion on the step.

In one possible design, the thickness of the mounting plate body is greater than or equal to the height of the projection on the projector base and/or the length of the connector.

In a possible design, the mounting plate body is of a rectangular structure, and the number of the fixing holes is 4, and the fixing holes are correspondingly distributed at four corners of the rectangular structure.

In one possible design, a plurality of fitting holes are respectively distributed at four corners of the mounting plate body and used for being embedded into fixing protrusions on the projector base.

In a second aspect, a light source device is provided, where the light source device includes a light source frame and the light source mounting board provided in any one of the possible designs of the first aspect, the light source frame includes a bracket and a frame main body, the bracket is respectively provided on two sides of the frame main body, and the bracket is detachably connected to the light source mounting board.

Drawings

Fig. 1 is a schematic view of an overall structure of a light source frame provided in an embodiment of the present application, which is mounted on a projector base through a light source mounting plate;

fig. 2 is a schematic overall structure diagram of a light source mounting board provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an example of a light source mounting board provided in the embodiment of the present application;

FIG. 4 is a top view of another example of a light source mounting board provided in the embodiments of the present application;

fig. 5 is a bottom view of another example of the light source mounting board provided in the embodiment of the present application;

fig. 6 is a schematic structural diagram of another example of the light source mounting board provided in the embodiment of the present application.

Reference numerals: 10. a light source frame; 11. a support; 12. a rack main body; 20. a light source mounting plate; 21. A mounting plate body; 22. an edge; 23. a fixing hole; 24. a strip-shaped through hole; 25. thinning the region; 26. mounting holes; 27. an adapter hole; 30. a projector base; 31. positioning the projection; 32. an unconventional bump; 33. a cylinder; 34. a threaded hole; 111. a first through hole; 112. a U-shaped groove; 113. a second through hole; 114. a strip-shaped opening; 221. a limiting notch; 222. an avoidance groove; 223. a first avoidance hole; 251. and a second avoidance hole.

Detailed Description

The technical solution in the present application will be described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments.

In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

It should be noted that the same reference numerals are used to denote the same components or parts in the embodiments of the present application, and for the same parts in the embodiments of the present application, only one of the parts or parts may be given the reference numeral, and it should be understood that the reference numerals are also applicable to the other same parts or parts.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "upper", "lower", "side", "inner", "outer", and the like indicate orientations or positional relationships based on installation, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The embodiment of the application firstly provides a light source mounting plate which can be widely applied to the field of digital film projection equipment, for example, a light source rack is conveniently mounted on a projector base through the light source mounting plate; the light source mounting plate has strong universality, can enable the light source rack to be mounted on different projector bases, such as cp and dk series projectors, and the like, and well solves the problem that the light source rack cannot be smoothly mounted on the projector bases or the mounting process between the light source rack and the projector bases is complicated when the light source rack is used in cooperation with the different projector bases due to the difference of the base mounting structures of different projectors under the condition that the models of the projectors are numerous. Through the light source mounting plate, the mounting speed of the light source frame on the projector base is increased, and the practicability is high.

Fig. 1 is a schematic diagram of an overall structure of a light source frame mounted on a projector base through a light source mounting plate according to an embodiment of the present application. Fig. 2 is a schematic overall structure diagram of the light source mounting board provided in the embodiment of the present application.

As shown in fig. 1 and 2, the light source mounting plate provided by the present application includes a mounting plate body 21, and the light source frame 10 can be smoothly mounted on the projector base 30 through the mounting plate body 21.

In this application, the light source frame 10 may be a laser light source frame, and may also be another type of light source frame such as an LED light source frame, which is not limited in this application.

The type of the projector mount 30 is not limited in the present application, and may be, for example, a mount corresponding to a cp or dk type projector.

As shown in fig. 1 and 2, a fixing hole 23 is formed in a surface of the mounting plate body 21 facing the projector mount 30, and the fixing hole 23 is used for inserting the positioning protrusion 31 on the projector mount 30.

Since there are generally four standardized positioning projections 31 on the projector mount 30, the mounting plate body 21 and the projector mount 30 can be fixed to each other at the most basic position by providing fixing holes 23 for inserting the positioning projections 31 on the projector mount 30 in one surface of the mounting plate body 21 facing the projector mount 30.

In the present application, the protrusions on the projector mount 30 include protrusions of raised cylindrical structures, screws, threaded rods, threaded holes, and the like.

Optionally, as shown in fig. 2, the mounting plate body 21 is of a rectangular structure, and the number of the fixing holes 23 is 4 and is correspondingly arranged at four corners of the rectangular structure.

In the embodiment of the present application, the number of the fixing holes 23 may be 4, and in other embodiments, the number of the fixing holes 23 may also be 2 or 3, and the like, which is not limited in the present application.

Further, since the positions and the number of the positioning projections 31 may be different for different projector mounts 30, the positions and the number of the fixing holes 23 may be set according to the model of the projector and/or the structure of the projector mount 30.

Alternatively, the fixing hole 23 may be a through hole or a groove, and the application does not limit the type of the fixing hole 23.

As shown in fig. 1 and 2, a strip-shaped through hole 24 is further formed in a surface of the mounting plate body 21 facing the projector mount 30.

In the present application, there may be protrusions at other unconventional and standardized positions on the projector base 30 compared to the conventional and universal positioning protrusions 31, so that the strip-shaped through holes 24 may be further formed on the side of the mounting plate body 21 facing the projector base 30 to accommodate the protrusions at these unconventional and standardized positions, so that the light source frame 10 can be more smoothly mounted on the projector base 30.

The strip-shaped through holes 24 can be used for inserting positioning screws on the projector base 30, and after the positioning screws penetrate through the strip-shaped through holes 24 and are fastened and connected through nuts, the projector base 30 can be fixedly connected with the mounting plate body 21.

In the present application, when the positioning protrusions 31 on the projector base 30 are not matched with the fixing holes 23, the positioning screws may pass through the strip-shaped through holes 24 and be fastened and connected by nuts, so as to provide a spare reinforcement for the light source mounting plate 10 and the projector base 30.

Alternatively, as shown in fig. 2, the strip-shaped through holes 24 may include a plurality, such as 2 or 3, etc. Meanwhile, the number of the strip-shaped through holes 24 can also be 1. In other embodiments, the strip-shaped through holes 24 may be eliminated when no protrusions are present at non-conventional, standardized locations on the projector mount 30.

In addition, as shown in fig. 1, where a plurality of relatively dense non-conventional protrusions 32 are present at non-conventional, standardized locations on the projector base 30, the plurality of non-conventional protrusions 32 may also be inserted into one of the strip-shaped through-holes 24.

In this application, the position of bar through-hole 24 can be according to most projector base 30's structure, selects the protruding most position that appears, then sets up bar through-hole 24 in these positions, can avoid bar through-hole 24 to set up the intensity that can reduce mounting panel body 21 when too much, arouses the emergence of mounting panel body 21 deformation or fracture scheduling problem.

It should be understood that the strip-shaped through holes 24 can also be designed as circular through holes, trapezoidal or diamond-shaped openings, etc., and the shape of the strip-shaped through holes 24 can be selected according to the actual protrusion condition on the projector base 30.

Fig. 3 is a schematic structural diagram of an example of the light source mounting board provided in the embodiment of the present application.

Optionally, as shown in fig. 1 and fig. 3, a plurality of mounting holes 26 are formed in a side surface of the mounting plate body 21 facing the light source frame 10, the mounting holes 26 correspond to the first through holes 111 on the light source frame 10 one to one, and the connecting member is fixed in the mounting holes 26 after passing through the first through holes 111, so as to fixedly connect the light source frame 10 and the mounting plate body 21.

Alternatively, the connecting member may be any one of a screw, a bolt, a screw, a pin, and the like, which is not limited in this application.

Optionally, the thickness of mounting plate body 21 is greater than or equal to the length of the attachment and/or the height of the projection on projector mount 30.

Here, in order to avoid the situation that the attachment member protrudes from the mounting hole 26 and abuts against the projector mount 30 due to the limited depth of the mounting hole 26 when the attachment member is fixed in the mounting hole 26 after passing through the first through hole 111, and a gap is formed between the bottom of the mounting plate body 21 and the outer surface of the projector mount 30, so that the mounting plate body 21 cannot be attached to the projector mount 30, in the present application, the thickness of the mounting plate body 21 may be greater than or equal to the length of the attachment member, and the attachment member may not protrude from the mounting hole 26 when passing through the first through hole 111 and fixed in the mounting hole 26, so that the mounting plate body 21 can be closely attached to the projector mount 30.

Specifically, the thickness of the mounting plate body 21 may be 1.1 to 1.8 times the length of the connection member. For example, the thickness of the mounting plate body 21 is 1.1 times, 1.53 times, 1.7 times, 1.8 times, and the like of the length of the connector.

In addition, in order to prevent the projection on the projector mount 30 from protruding out of the mounting plate body 21 after passing through the mounting plate body 21 and to support the bottom of the light source frame 10, so that the light source frame 10 cannot be successfully mounted on the projector mount 30, the thickness of the mounting plate body 21 in this application needs to be greater than or equal to the height of the projection on the projector mount 30.

Specifically, the thickness of the mounting plate body 21 may be 1.1 to 2.5 times the height of the projection on the projector mount 30. For example, the thickness of the mounting plate body 21 is 1.1 times, 1.2 times, 1.25 times, 2.5 times, etc. of the projection on the projector mount 30.

Specifically, the thickness of the mounting plate body 21 may also be 1.2 times to 1.8 times the height of the projection on the projector mount 30. For example, the thickness of the mounting plate body 21 is 1.2 times, 1.5 times, 1.9 times, 1.8 times, etc. of the projection on the projector mount 30.

Specifically, the thickness of the mounting plate body 21 may be larger than the length of the connecting member and the height of the projection on the projector base 30, and the thickness of the mounting plate body 21 is 1.2 times to 1.5 times larger than the larger of the length of the connecting member and the height of the projection on the projector base 30.

Optionally, as shown in fig. 2, the mounting plate body 21 further includes a thinned region 25 to facilitate a user to open a hole in the thinned region 25.

In the embodiment of the present application, after the light source mounting plate 20 is opened, when the light source frame 10 is mounted on the projector base 30, the projector base 30 and the light source mounting plate 20 are not matched, and it is necessary to design an opening on the light source mounting plate 20 according to the position of the non-matched protrusion in the later period. Normally, the unexpected projection of the projector base 30 is generally located in the central area of the mounting plate body 21, or in the area deviated from the corner to the center, so that the thickness of these areas can be designed to be thinner during mold opening to form the thinning area 25, which is convenient for the user to open the hole in the thinning area 25 at the later stage.

Further, since the user can know the position of the projection on the projector mount 30 to some extent, the user can set a through hole in the thinned region 25 in advance for fixing, and therefore, the thinned region 25 may not be perforated in order to save the process in the later stage.

Alternatively, as shown in fig. 3, the edge 22 of the mounting plate body 21 is formed with a limiting notch 221, the limiting notch 221 is used for the column 33 on the projector base 30 to be clamped, so that the mounting plate body 21 can be fitted with the column 33 on the projector base 30, and the mounting plate body 21 and the column 33 form a limiting structure.

Fig. 4 is a plan view of another example of the light source mounting board provided in the embodiment of the present application. Fig. 5 is a bottom view of another example of the light source mounting board provided in the embodiment of the present application.

Alternatively, as shown in fig. 4 and 5, the projector base 30 may have a step structure, and in order to make the light source mounting plate 20 attach to the projector base 30, an avoiding groove 222 may be provided on a surface of the mounting plate body 21 facing the projector base 30, and the avoiding groove 222 is used for accommodating the step (not shown) on the projector base 30.

Optionally, the relief groove 222 may have an internal groove (not shown) formed therein for receiving a protrusion from a step of the projector mount 30.

Optionally, as shown in fig. 5, a first avoidance hole 223 may be further formed in the avoidance groove 222 for inserting a protrusion on a step of the projector base 30.

Optionally, as shown in fig. 5, a second avoiding hole 251 may be further formed in the thinned region 25 for inserting a protrusion on the projector base 30.

Alternatively, when the projection on the projector base 30 exceeds the edge 22 of the mounting plate body 21, a connecting plate (not shown) may be fixedly connected to the edge 22 of the mounting plate body 21, and a hole or a groove may be formed in the connecting plate to receive the projection exceeding the edge 22 of the mounting plate body 21.

Fig. 6 is a schematic structural diagram of another example of the light source mounting board provided in the embodiment of the present application.

Optionally, as shown in fig. 6, a plurality of fitting holes 27 are respectively formed at four corners of the mounting plate body 21 for inserting fixing protrusions on the projector base 30.

In the embodiment of the present application, on some models of projector bases 30, the positions of the fixing protrusions are determined, for example, the fixing protrusions are located at four corners of the mounting plate body 21, so that a plurality of fitting holes can be formed at four corners of the mounting plate body 21, and therefore, the subsequent processing steps can be saved.

In a second aspect, the present embodiment further provides a light source device, which includes the light source frame 10 and the light source mounting board 20 provided in any of the foregoing embodiments.

As shown in fig. 1, the light source housing 10 includes a bracket 11 and a housing main body 12, and the bracket 11 is disposed on each of both sides of the housing main body 12.

The bracket 11 is in a plate shape and is disposed on a side surface of the frame body 12, and the bracket 11 is a transition structure connecting the frame body 12 and the projector mount 30 or other external frame.

Specifically, the lower edge of the bracket 11 extends outward to form a transverse plate, and the transverse plate is provided with a plurality of first through holes 111 for fixedly connecting with the light source mounting plate 20 located at the bottom of the light source frame 10.

Optionally, as shown in fig. 1, a plurality of second through holes 113 are further formed in the transverse plate, and after the light source mounting plate 20 and the projector base 30 are respectively provided with the strip-shaped through holes 24 and the threaded holes 34 corresponding to the positions of the second through holes 113, connectors such as screws and bolts may sequentially penetrate through the second through holes 113, the strip-shaped through holes 24 and the threaded holes 34, so as to fixedly connect the light source frame 10 and the projector base 30.

Optionally, as shown in fig. 1, a strip-shaped opening 114 is formed in a side surface of the plate-shaped support 11, and when the support is installed, the support can be matched with an external rack to perform a preliminary positioning function, and an operator can also perform fine adjustment on the position of the rack main body 12 by gripping the strip-shaped opening 114.

Optionally, as shown in fig. 1, a U-shaped groove 112 is formed in the light source frame 10 at a position corresponding to the limiting notch 221, and the cylinder 33 may pass through the limiting notch 33 and the U-shaped groove 112 and then be clamped on the light source frame 10.

The bracket 11 is detachably connected to the light source mounting board 20.

Because the projector model is numerous, there is the difference in its base mounting structure of different projectors, and when the light source mounting panel 20 that volume production came out did not match with projector base 30, the later stage still need slot or trompil processing to light source mounting panel 20, therefore light source mounting panel 20 can be dismantled from support 11, the later stage processing of being convenient for.

Through this light source mounting panel for on the different projectors can be installed fast to the light source device, promoted light source rack-mount's convenience, and the light source mounting panel have better commonality with, reduced cost such as manpower, material resources and financial resources.

Because the light source device adopts the light source mounting plate provided by the above embodiment, the light source device also has the technical effect corresponding to the light source mounting plate, and the details are not repeated herein.

It should be understood that the above description is only for the purpose of helping those skilled in the art better understand the embodiments of the present application, and is not intended to limit the scope of the embodiments of the present application. Various equivalent modifications or changes, or combinations of any two or more of the above, may be apparent to those skilled in the art in light of the above examples given. Such modifications, variations, or combinations are also within the scope of the embodiments of the present application.

It should also be understood that the foregoing descriptions of the embodiments of the present application focus on highlighting differences between the various embodiments, and that the same or similar elements that are not mentioned may be referred to one another and, for brevity, are not repeated herein.

It should also be understood that the manner, the case, the category, and the division of the embodiments are only for convenience of description and should not be construed as a particular limitation, and features in various manners, the category, the case, and the embodiments may be combined without contradiction.

It is also to be understood that the terminology and/or the description of the various embodiments herein is consistent and mutually inconsistent if no specific statement or logic conflicts exists, and that the technical features of the various embodiments may be combined to form new embodiments based on their inherent logical relationships.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A light source mounting board, comprising: the projector comprises a mounting plate body (21), wherein a light source rack (10) is mounted on a projector base (30) through the mounting plate body (21);

one surface of the mounting plate body (21) facing the projector base (30) is provided with a fixing hole (23), and the fixing hole (23) is used for inserting a positioning protrusion (31) on the projector base (30);

still seted up bar through-hole (24) on mounting panel body (21), bar through-hole (24) are used for supplying positioning screw on projector base (30) inserts, works as positioning screw passes bar through-hole (24) and through nut fastening connection back, can with projector base (30) with mounting panel body (21) fixed connection.

2. The light source mounting plate according to claim 1, wherein a plurality of mounting holes (26) are formed in a side surface of the mounting plate body (21) facing the light source rack (10), the mounting holes (26) correspond to the first through holes (111) in the light source rack (10) in a one-to-one manner, and a connecting member passes through the first through holes (111) and then is fixed in the mounting holes (26), so as to fixedly connect the light source rack (10) and the mounting plate body (21).

3. The light source mounting board according to claim 2, wherein the mounting board body (21) further comprises a thinned region (25) so that a user can open a hole in the thinned region (25).

4. A light source mounting board according to any one of claims 1-3, characterized in that the edge (22) of the mounting board body (21) is formed with a limit notch (221), the limit notch (221) being used for the cylinder (33) on the projector base (30) to be snapped in.

5. The light source mounting board according to any one of claims 1 to 3, wherein a face of the mounting board body (21) facing the projector base (30) is provided with an avoiding groove (222), the avoiding groove (222) being used for accommodating a step on the projector base (30).

6. The light source mounting board of claim 5, wherein the evasion groove (222) has an internal groove therein for receiving a protrusion on the step.

7. The light source mounting board according to claim 2, wherein the thickness of the mounting board body (21) is greater than or equal to the length of the connector and/or the height of a projection on the projector mount (30).

8. The light source mounting board according to any one of claims 1 to 3, wherein the mounting board body (21) has a rectangular structure, and the number of the fixing holes (23) is 4, and the fixing holes are correspondingly arranged at four corners of the rectangular structure.

9. The light source mounting board according to claim 8, wherein a plurality of fitting holes (27) are respectively formed at four corners of the mounting board body (21) for insertion of fixing protrusions on the projector base (30).

10. A light source device, comprising a light source frame (10) and the light source mounting plate as claimed in any one of claims 1 to 9, wherein the light source frame comprises a bracket (11) and a frame main body (12), the bracket (11) is respectively arranged on two sides of the frame main body (12), and the bracket (11) is detachably connected with the light source mounting plate (20).

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