Coaxial light source with high heat dissipation

Abstract

The utility model discloses a high -efficient heat dissipation's coaxial light source relates to in detection light source technical field. High -efficient heat dissipation's coaxial light source includes the light splitting subassembly, first optical assembly, second optical assembly and light source subassembly, light source subassembly includes the seat body, heat dissipation fan, heat pipe and light emitting part, the both ends of accommodating groove are respectively thorough to the inner wall of the placement surface and the heat dissipation cavity, heat pipe sets up in accommodating groove, and one end face of heat pipe is flush with the placement surface arrangement, and light emitting part sets up on the placement surface, and with one end of heat pipe end portion abuts, the other end of heat pipe extends to the heat dissipation cavity, and heat dissipation fan sets up in the heat dissipation cavity, and setting to the other end of heat pipe. The heat that light emitting part emits in the working process can be conducted to heat pipe, and heat dissipation fan can blow the gas to heat pipe to carry out heat dissipation, realizes to heat pipe and carries out heat dissipation, and through setting up heat pipe and heat dissipation fan can guarantee the heat dissipation effect of light emitting part.

Description

Technical Field

[0001] This utility model relates to the field of detection light source technology, and in particular to a coaxial light source with high-efficiency heat dissipation. Background Technology

[0002] In the field of machine vision, it is usually necessary to use a light source to illuminate the product when inspecting its appearance. Among them, coaxial light sources are widely used in machine vision industrial inspection.

[0003] Common coaxial light sources typically consist of a light-emitting element, a housing, and a beam splitter. The light-emitting element achieves perpendicular incidence and reflection of the light path through the beam splitter, making the direction of the light emitted by the coaxial light source coaxial with the camera's optical axis. Existing coaxial light sources allow the light-emitting element to move between the inside and outside of the housing to move relative to the beam splitter, thus adjusting the distance. However, when the light-emitting element needs to be moved closer to the beam splitter, it often needs to enter the housing, resulting in poor natural cooling. Even using an air-cooled fan is insufficient to cool the light-emitting element located inside the housing. During prolonged operation, the light-emitting element is prone to heat accumulation due to ineffective heat dissipation, affecting its normal operation. Utility Model Content

[0004] The purpose of this invention is to overcome the above-mentioned defects in the prior art and provide a coaxial light source with high heat dissipation efficiency, which has a better heat dissipation effect on the light-emitting component.

[0005] To achieve the above objectives, this utility model provides a high-efficiency heat dissipation coaxial light source. The high-efficiency heat dissipation coaxial light source includes a beam splitting assembly, a first optical assembly, a second optical assembly, and a light source assembly. The beam splitting assembly includes a beam splitter and a beam splitter base. The beam splitter base is provided with a light inlet, a light outlet, and a beam splitting cavity. The light inlet is located at the side end of the beam splitter base, and the light outlet is located at the bottom end of the beam splitter base. Both the light inlet and the light outlet are connected to the beam splitting cavity. The beam splitter is tilted within the beam splitting cavity and can reflect light entering from the light inlet to the light outlet. The first optical assembly includes a first sleeve and a first... A lens; the first sleeve is provided with a first opening, a second opening, and a first receiving cavity; the first opening and the second opening are respectively provided at both ends of the first sleeve along the optical path direction, and both are connected to the first receiving cavity; one end of the first sleeve with the first opening is connected to one end of the beam splitter with the light inlet, and the first opening and the light inlet are opposite to each other in the optical path direction; the first lens is disposed at the first opening; a second optical component includes a second sleeve and a second lens; the second sleeve is provided with a third opening, a fourth opening, and a second receiving cavity; the third opening and the fourth opening are respectively provided at both ends of the first sleeve along the optical path direction, and both are connected to the first receiving cavity; the first end of the first sleeve with the first opening is connected to one end of the beam splitter with the light inlet, and the first opening and the light inlet are respectively provided to one end of the first sleeve along the optical path direction; the first lens is disposed at the first opening; the second optical component includes a second sleeve and a second lens; the second sleeve is provided with a third opening, a fourth opening, and a second receiving cavity; the third opening and the fourth opening are respectively provided to one end of the first sleeve along the optical path direction, and both are connected to the first receiving cavity; the first end of the first sleeve with the first opening is connected to one end of the beam splitter with the light inlet ... The optical path directions are respectively located at both ends of the second sleeve and are both connected to the second receiving cavity; one end of the second sleeve with the third opening is connected to one end of the first sleeve with the second opening, and the third opening and the second opening are opposite to each other in the optical path direction; the second lens is located at the third opening; a second thread structure is provided on the inner wall of the fourth opening; the light source assembly includes a base, a cooling fan, a heat pipe, and a light-emitting element; the base is provided with a receiving groove and a heat dissipation cavity; the two ends of the base along the optical path direction are respectively a first end and a second end; the first end of the base... The surface is the placement surface; a first threaded structure is provided on the outer periphery of the first end of the base, and the first end of the base passes through the fourth opening, with the first threaded structure threadedly connected to the second threaded structure; the two ends of the receiving groove respectively extend to the placement surface and the inner wall of the heat dissipation cavity; the heat-conducting pipe is disposed in the receiving groove, with one end face of the heat-conducting pipe flush with the placement surface, and the light-emitting element is disposed on the placement surface and abuts against one end of the heat-conducting pipe; the other end of the heat-conducting pipe extends into the heat dissipation cavity, and the cooling fan is disposed in the heat dissipation cavity and faces the other end of the heat-conducting pipe.

[0006] Furthermore, the outer periphery of the base is provided with heat dissipation fins, and multiple heat dissipation fins are provided and arranged sequentially at intervals along the optical path direction.

[0007] Furthermore, the seat is provided with a heat dissipation channel, one end of which extends to the inner wall of the heat dissipation cavity, and the other end of which extends to the outer wall of the seat.

[0008] Furthermore, the light source assembly also includes a first connector; the light-emitting element is provided with a first connection hole, and the placement surface is provided with a second connection hole, the first connection hole and the second connection hole are disposed opposite to each other, and the first connector passes through the first connection hole and the second connection hole to detachably connect the light-emitting element and the base.

[0009] Furthermore, the light source assembly also includes a limiting member; the limiting member is sleeved on the body and threadedly connected to the first threaded structure; the limiting member abuts against the end of the second sleeve that has the fourth opening.

[0010] Furthermore, the base also includes a base plate; a fifth opening is provided at the second end of the base, and the fifth opening is connected to the heat dissipation cavity; the base plate covers the fifth opening, and a through-hole is provided on the base plate, which is opposite to the fifth opening; the cooling fan is connected to the base plate.

[0011] Furthermore, a third threaded structure is provided on the inner wall of the second opening of the first sleeve, and a fourth threaded structure is provided on the outer periphery of the end of the second sleeve with the third opening; the end of the second sleeve with the third opening passes through the second opening, and the third threaded structure and the fourth threaded structure are threadedly connected.

[0012] Furthermore, an annular protrusion is provided on the side end of the beam splitter, the annular protrusion is arranged around the light inlet, and the annular protrusion passes through the first opening.

[0013] Furthermore, it also includes a first matte layer and a second matte layer; the first matte layer is disposed on the inner wall of the first receiving cavity, and the second matte layer is disposed on the inner wall of the second receiving cavity.

[0014] Furthermore, the base is provided with a wiring channel, the two ends of which extend to the placement surface and the inner wall of the heat dissipation cavity, respectively.

[0015] Compared with the prior art, the present invention has the following advantages: 1. The light emitted by the light-emitting element can enter the second receiving cavity and pass through the second lens and the first lens in sequence, and enter the beam splitting cavity from the light inlet. The beam splitter can reflect the light entering from the light inlet to the light outlet. The light-emitting element is set on the placement surface of the base, and the base can rotate relative to the second sleeve through the first thread structure and the second thread structure at the fourth opening, so as to adjust the position of the light-emitting element relative to the beam splitter, and the adaptability is good.

[0016] 2. During the back-and-forth threaded rotation of the base along the optical path, the light-emitting element on the placement surface is always in contact with one end of the heat-conducting pipe, so that the heat emitted by the light-emitting element during operation can be conducted to the heat-conducting pipe, thereby reducing the temperature of the light-emitting element and ensuring its heat dissipation effect. The heat-conducting pipe can also conduct heat to the base, and the other end of the heat-conducting pipe extends into the heat dissipation cavity. The cooling fan is positioned towards the heat-conducting pipe, so that the cooling fan can blow air onto the heat-conducting pipe to dissipate heat, thus achieving heat dissipation for the heat-conducting pipe. By setting up the heat-conducting pipe and the cooling fan, the heat dissipation effect of the light-emitting element can be guaranteed. Attached Figure Description

[0017] To more clearly illustrate the technology in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the high-efficiency heat dissipation coaxial light source of this utility model;

[0019] Figure 2 This is a cross-sectional view of the high-efficiency heat dissipation coaxial light source of this utility model.

[0020] Figure 3 This is a schematic diagram of the structure of the base of the high-efficiency heat dissipation coaxial light source of this utility model;

[0021] Figure 4 This is a cross-sectional view of the base of the high-efficiency heat dissipation coaxial light source of this utility model.

[0022] Figure 5 This is a cross-sectional view of the second sleeve of the high-efficiency heat dissipation coaxial light source of this utility model.

[0023] Figure 6 This is a cross-sectional view of the first sleeve of the high-efficiency heat dissipation coaxial light source of this utility model.

[0024] Figure 7This is a cross-sectional view of the beam-splitting component of the high-efficiency heat dissipation coaxial light source of this utility model.

[0025] Reference numerals: Beam splitter 100; Beam splitter 110; Beam splitter base 120; Light inlet 121; Light outlet 122; Beam splitter cavity 123; Annular protrusion 124; First optical component 200; First sleeve 210; First opening 211; Second opening 212; First receiving cavity 213; First lens 220; Second optical component 300; Second sleeve 310; Third opening 311; Fourth opening 312; Second receiving cavity 313; Second lens 320; Light source component 400; Base 410; Receiving groove 411; Heat dissipation cavity 412; Placement surface 413; Heat dissipation fins 414; Heat dissipation channel 415; Second connecting hole 416; Fifth opening 417; Wiring channel 418; Cooling fan 420; Heat pipe 430; Light-emitting element 440; Base plate 450; Through port 451; Limiting element 460. Detailed Implementation

[0026] The technology of this embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments thereof. Based on this embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0028] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0029] Please see Figures 1 to 7This utility model provides a high-efficiency heat dissipation coaxial light source, which includes a beam splitting assembly 100, a first optical assembly 200, a second optical assembly 300, and a light source assembly 400. The beam splitting assembly 100 includes a beam splitter 110 and a beam splitter base 120. The beam splitter base 120 is provided with a light inlet 121, a light outlet 122, and a beam splitting cavity 123. The light inlet 121 is located at the side end of the beam splitter base 120, and the light outlet 122 is located at the bottom end of the beam splitter base 120. Both the light inlet 121 and the light outlet 122 are connected to the beam splitting cavity 123. The beam splitter 110 is inclinedly disposed within the beam splitting cavity 123 and is capable of reflecting light entering from the light inlet 121 to the light outlet 122. The first optical assembly 200 includes... The first optical component 300 includes a first sleeve 210 and a first lens 220. The first sleeve 210 has a first opening 211, a second opening 212, and a first receiving cavity 213. The first opening 211 and the second opening 212 are respectively located at both ends of the first sleeve 210 along the optical path direction and are both connected to the first receiving cavity 213. One end of the first sleeve 210 with the first opening 211 is connected to one end of the beam splitter 120 with the light inlet 121, and the first opening 211 and the light inlet 121 are opposite to each other in the optical path direction. The first lens 220 is located at the first opening 211. The second optical component 300 includes a second sleeve 310 and a second lens 320. The second sleeve 310 has a third opening 311, a fourth opening 312, and a second... A receiving cavity 313; a third opening 311 and a fourth opening 312 are respectively disposed at both ends of the second sleeve 310 along the optical path direction, and both are connected to the second receiving cavity 313; one end of the second sleeve 310 with the third opening 311 is connected to one end of the first sleeve 210 with the second opening 212, and the third opening 311 and the second opening 212 are opposite to each other in the optical path direction; a second lens 320 is disposed at the third opening 311; a second thread structure is provided on the inner wall of the fourth opening 312; the light source assembly 400 includes a base 410, a cooling fan 420, a heat conduction pipe 430, and a light-emitting element 440; the base 410 is provided with a receiving groove 411 and a heat dissipation cavity 412; the two ends of the base 410 along the optical path direction are respectively the third opening 311 and the fourth opening 312. One end and a second end; the end face of the first end of the seat 410 is the placement surface 413; a first thread structure is provided on the outer periphery of the first end of the seat 410, and the first end of the seat 410 passes through the fourth opening 312, and the first thread structure is threadedly connected to the second thread structure; the two ends of the receiving groove 411 respectively extend to the inner wall of the placement surface 413 and the heat dissipation cavity 412; the heat conduction pipe 430 is disposed in the receiving groove 411, one end face of the heat conduction pipe 430 is flush with the placement surface 413, the light-emitting element 440 is disposed on the placement surface 413 and abuts against one end of the heat conduction pipe 430; the other end of the heat conduction pipe 430 extends into the heat dissipation cavity 412, and the cooling fan 420 is disposed in the heat dissipation cavity 412 and faces the other end of the heat conduction pipe 430.

[0030] 1. The light emitted by the light-emitting element 440 can enter the second receiving cavity 313 and pass through the second lens 320 and the first lens 220 in sequence, and enter the beam splitting cavity 123 from the light inlet 121. The light entering from the light inlet 121 can be reflected to the light outlet 122 by the beam splitter 110. The light-emitting element 440 is disposed on the placement surface 413 of the base 410. The base 410 can rotate relative to the second sleeve 310 through the first thread structure and the second thread structure at the fourth opening 312, so as to adjust the position of the light-emitting element 440 relative to the beam splitter 110, and the adaptability is good.

[0031] 2. During the back-and-forth threaded rotation of the base 410 along the optical path direction, the light-emitting element 440 set on the placement surface 413 is always in contact with one end of the heat-conducting pipe 430, so that the heat emitted by the light-emitting element 440 during operation can be conducted to the heat-conducting pipe 430, thereby reducing the temperature of the light-emitting element 440 and ensuring the heat dissipation effect of the light-emitting element 440; and the heat-conducting pipe 430 can conduct heat to the base 410, while the other end of the heat-conducting pipe 430 extends into the heat dissipation cavity 412, and the cooling fan 420 is set towards the heat-conducting pipe 430, so that the cooling fan 420 can blow air on the heat-conducting pipe 430 to dissipate heat, thereby achieving heat dissipation of the heat-conducting pipe 430. By setting the heat-conducting pipe 430 and the cooling fan 420, the heat dissipation effect of the light-emitting element 440 can be guaranteed.

[0032] Specifically, a detection port is provided at the top of the beam splitter 120, a diffuser plate is provided at the detection port, and a camera detection module is provided above the detection port and downward, so as to detect the workpiece to be inspected located below the light outlet 122.

[0033] Reference Figures 1 to 4 In some embodiments of this utility model, heat dissipation fins 414 are provided on the outer periphery of the base 410. Multiple heat dissipation fins 414 are provided and are arranged at intervals along the optical path direction.

[0034] By setting heat dissipation fins 414, the contact area between the base 410 and the air can be increased, thereby improving the heat dissipation effect of the base 410 and preventing excessive heat accumulation at the base 410.

[0035] Specifically, heat dissipation fins 414 extend around the optical path direction, and multiple heat dissipation fins 414 are arranged sequentially at intervals along the optical path direction and are disposed on the periphery of the second end of the base 410 to ensure the heat dissipation effect of the base 410; furthermore, the heat dissipation fins 414 are located outside the heat dissipation cavity 412 so that the heat in the heat dissipation cavity 412 can be quickly conducted to the heat dissipation fins 414 to ensure the heat dissipation effect.

[0036] Reference Figure 2and Figure 4 In some embodiments of this utility model, the seat 410 is provided with a heat dissipation channel 415, one end of which extends to the inner wall of the heat dissipation cavity 412, and the other end of which extends to the outer wall of the seat 410.

[0037] By setting up the heat dissipation channel 415, the air in the heat dissipation cavity 412 can be exhausted out through the heat dissipation channel 415 after the cooling fan 420 is started, so as to ensure the heat dissipation effect.

[0038] Specifically, multiple heat dissipation channels 415 are provided, and the multiple heat dissipation channels 415 are arranged sequentially and spaced apart along the optical path direction. In addition, multiple heat dissipation fins 414 and multiple heat dissipation channels 415 are arranged sequentially and spaced apart, so that the gas discharged from the heat dissipation channel 415 can contact the heat dissipation fins 414 to ensure the heat dissipation effect.

[0039] Reference Figure 3 In some embodiments of this utility model, the light source assembly 400 further includes a first connector; the light-emitting element 440 is provided with a first connecting hole, and the placement surface 413 is provided with a second connecting hole 416. The first connecting hole and the second connecting hole 416 are arranged opposite to each other, and the first connector passes through the first connecting hole and the second connecting hole 416 to detachably connect the light-emitting element 440 and the base 410.

[0040] The first connector can be a threaded connection structure. Both the first connecting hole and the second connecting hole 416 can be threaded connection holes. The first connector passes through the first connecting hole and the second connecting hole 416 so that the light-emitting element 440 can be fixed on the placement surface 413 of the base 410, thereby improving the stability of the light-emitting element 440 during operation.

[0041] Reference Figure 1 , Figure 2 and Figure 5 In some embodiments of this utility model, the light source assembly 400 further includes a limiting member 460; the limiting member 460 is sleeved outside the base 410 and threadedly connected to the first threaded structure; the limiting member 460 abuts against one end of the second sleeve 310 where a fourth opening 312 is provided.

[0042] The limiting member 460 is annular and fits around the base 410. The inner wall of the limiting member 460 is provided with a threaded structure. The limiting member 460 can be threadedly connected to the first threaded structure of the base 410 through the threaded structure. After the base 410 moves to the predetermined position, the limiting member 460 is rotated to move to abut against the end of the second sleeve 310 that is provided with the fourth opening 312, so as to limit the position between the base 410 and the second sleeve 310, reduce the possibility of the base 410 being displaced due to accidental collision during operation, and improve the working stability of the light-emitting component 440.

[0043] Reference Figure 1 and Figure 2 In some embodiments of this utility model, the seat 410 further includes a base plate 450; a fifth opening 417 is provided at the end of the second end of the seat 410, and the fifth opening 417 is connected to the heat dissipation cavity 412; the base plate 450 covers the fifth opening 417, and a through opening 451 is provided on the base plate 450, which is opposite to the fifth opening 417; the cooling fan 420 is connected to the base plate 450.

[0044] During operation, the cooling fan 420 can draw outside air into the heat dissipation cavity 412 through the port 451, so that the air comes into contact with the heat pipe 430 and achieves a heat dissipation effect. The high-temperature air is discharged from the heat dissipation channel 415.

[0045] A fifth opening 417 is provided at the second end of the base 410, through which the cooling fan 420 is connected to the base plate 450. This allows the position of the cooling fan 420 to be limited by installing the base plate 450, thereby increasing the difficulty of installation and disassembly.

[0046] Reference Figure 1 and Figure 2 In some embodiments of this utility model, a third thread structure is provided on the inner wall of the second opening 212 of the first sleeve 210, and a fourth thread structure is provided on the outer periphery of one end of the second sleeve 310 where the third opening 311 is provided; one end of the second sleeve 310 where the third opening 311 is provided passes through the second opening 212, and the third thread structure and the fourth thread structure are threadedly connected.

[0047] The first sleeve 210 and the second sleeve 310 are interconnected by a third thread structure and a fourth thread structure to improve the stability of the connection.

[0048] Reference Figure 2 , Figure 6 and Figure 7 In some embodiments of this utility model, an annular protrusion 124 is provided on the side end of the beam splitter 120. The annular protrusion 124 is arranged around the light inlet 121 and passes through the first opening 211.

[0049] The position of the first sleeve 210 can be defined by setting the annular protrusion 124; specifically, the outer peripheral side of the annular protrusion 124 abuts against the inner wall surface of the first opening 211, so as to define the position between the annular protrusion 124 and the first sleeve 210 and prevent relative movement between the annular protrusion 124 and the first sleeve 210.

[0050] In some embodiments of this utility model, a first matte layer and a second matte layer are also included; the first matte layer is disposed on the inner wall of the first receiving cavity 213, and the second matte layer is disposed on the inner wall of the second receiving cavity 313.

[0051] By setting a first matte layer and a second matte layer, the diffusion of light generated by the first sleeve 210 and the second sleeve 310 is reduced, thus ensuring the lighting effect.

[0052] Specifically, both the first and second matte layers are formed by spraying a matte agent to create a special matte coating.

[0053] Reference Figure 4 In some embodiments of this utility model, the base 410 is provided with a wiring channel 418, and the two ends of the wiring channel 418 extend to the inner walls of the placement surface 413 and the heat dissipation cavity 412, respectively.

[0054] The electrical connection of the light-emitting element 440 can be facilitated by setting up the wiring channel 418.

[0055] Specifically, the light-emitting element 440 is located at the center of the placement surface 413, while the wiring channel 418 is located at the edge of the base 410 away from the light-emitting element 440, so as to reduce the impact of heat on the wires in the wiring channel 418.

[0056] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-efficiency heat dissipation coaxial light source, characterized in that, include: The beam splitter assembly (100) includes a beam splitter (110) and a beam splitter base (120); the beam splitter base (120) is provided with a light inlet (121), a light outlet (122) and a beam splitting cavity (123); the light inlet (121) is located at the side end of the beam splitter base (120), and the light outlet (122) is located at the bottom end of the beam splitter base (120); both the light inlet (121) and the light outlet (122) are connected to the beam splitting cavity (123); the beam splitter (110) is inclinedly disposed in the beam splitting cavity (123) and is capable of reflecting light entering from the light inlet (121) to the light outlet (122). The first optical component (200) includes a first sleeve (210) and a first lens (220); the first sleeve (210) is provided with a first opening (211), a second opening (212) and a first receiving cavity (213); the first opening (211) and the second opening (212) are respectively provided at both ends of the first sleeve (210) along the optical path direction, and both are connected to the first receiving cavity (213); one end of the first sleeve (210) with the first opening (211) is connected to one end of the beam splitter (120) with the light inlet (121), and the first opening (211) and the light inlet (121) are arranged opposite to each other in the optical path direction; the first lens (220) is provided at the first opening (211); The second optical component (300) includes a second sleeve (310) and a second lens (320); the second sleeve (310) is provided with a third opening (311), a fourth opening (312), and a second receiving cavity (313); the third opening (311) and the fourth opening (312) are respectively provided at both ends of the second sleeve (310) along the optical path direction, and both are connected to the second receiving cavity (313); one end of the second sleeve (310) with the third opening (311) is connected to one end of the first sleeve (210) with the second opening (212), and the third opening (311) and the second opening (212) are arranged opposite to each other in the optical path direction; the second lens (320) is provided at the third opening (311); a second thread structure is provided on the inner wall of the fourth opening (312); The light source assembly (400) includes a base (410), a cooling fan (420), a heat pipe (430), and a light-emitting element (440); the base (410) is provided with a receiving groove (411) and a heat dissipation cavity (412); the two ends of the base (410) along the optical path direction are respectively a first end and a second end; the end face of the first end of the base (410) is a placement surface (413); the outer peripheral side of the first end of the base (410) is provided with a first thread structure, the first end of the base (410) passes through the fourth opening (312), and the first thread structure is threadedly connected to the second thread structure; The two ends of the receiving groove (411) extend to the inner walls of the placement surface (413) and the heat dissipation cavity (412), respectively; the heat conduction pipe (430) is disposed in the receiving groove (411), one end face of the heat conduction pipe (430) is flush with the placement surface (413), the light-emitting element (440) is disposed on the placement surface (413) and abuts against one end of the heat conduction pipe (430); the other end of the heat conduction pipe (430) extends into the heat dissipation cavity (412), and the cooling fan (420) is disposed in the heat dissipation cavity (412) and faces the other end of the heat conduction pipe (430).

2. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, The outer periphery of the base (410) is provided with heat dissipation fins (414), and multiple heat dissipation fins (414) are provided and arranged sequentially at intervals along the optical path direction.

3. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, The seat (410) is provided with a heat dissipation channel (415), one end of which extends to the inner wall of the heat dissipation cavity (412), and the other end of which extends to the outer wall of the seat (410).

4. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, The light source assembly (400) also includes a first connector; the light-emitting element (440) is provided with a first connection hole, and the placement surface (413) is provided with a second connection hole (416). The first connection hole and the second connection hole (416) are arranged opposite to each other, and the first connector passes through the first connection hole and the second connection hole (416) to detachably connect the light-emitting element (440) and the base (410).

5. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, The light source assembly (400) further includes a limiting member (460); the limiting member (460) is sleeved on the outside of the base (410) and threadedly connected to the first threaded structure; the limiting member (460) abuts against one end of the second sleeve (310) where the fourth opening (312) is provided.

6. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, The base (410) also includes a base plate (450); a fifth opening (417) is provided at the end of the second end of the base (410), and the fifth opening (417) is connected to the heat dissipation cavity (412); the base plate (450) covers the fifth opening (417), and a through-hole (451) is provided on the base plate (450), and the through-hole (451) is opposite to the fifth opening (417); the cooling fan (420) is connected to the base plate (450).

7. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, A third thread structure is provided on the inner wall of the second opening (212) of the first sleeve (210), and a fourth thread structure is provided on the outer periphery of one end of the second sleeve (310) with the third opening (311); one end of the second sleeve (310) with the third opening (311) passes through the second opening (212), and the third thread structure and the fourth thread structure are threadedly connected.

8. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, The side end of the beam splitter (120) is provided with an annular protrusion (124), which surrounds the light inlet (121) and passes through the first opening (211).

9. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, It also includes a first matte layer and a second matte layer; the first matte layer is disposed on the inner wall of the first receiving cavity (213), and the second matte layer is disposed on the inner wall of the second receiving cavity (313).

10. The high-efficiency heat dissipation coaxial light source according to claim 1, characterized in that, The base (410) is provided with a wiring channel (418), and the two ends of the wiring channel (418) extend to the inner wall of the placement surface (413) and the heat dissipation cavity (412), respectively.

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