Light source module and endoscope

Abstract

The utility model provides a light source module and an endoscope, and belongs to the technical field of medical instruments, the light source module comprises a radiator assembly, a seat body, a refrigerator and a laser, the seat body and the radiator assembly are connected, and a sealed containing cavity is formed between the seat body and the radiator assembly; the refrigerator is connected with the laser and the radiator assembly, and the refrigerator and the laser are both located in the sealed containing cavity. In the application, the laser and the refrigerator are arranged in the sealed accommodating cavity, so that the laser and the refrigerator are not in contact with air outside the sealed accommodating cavity, and the occurrence of short-circuit damage of a device caused by condensed water dew around the laser and the thermoelectric cooler when the thermoelectric cooler works can be reduced.

Description

Technical Field

[0001] This application belongs to the field of medical device technology, and in particular relates to a light source module and an endoscope. Background Technology

[0002] Medical cold light sources typically include light sources of multiple wavelengths, such as laser sources. Laser sources usually employ semiconductor lasers. Because semiconductor lasers generate extremely high heat density during operation, active cooling methods are required to stably reduce their temperature to around 25°C. Thermoelectric coolers are generally used for cooling semiconductor lasers. During operation, condensation may form around the laser and the thermoelectric cooler, potentially causing short circuits and damage to the components. Utility Model Content

[0003] The purpose of this application is to provide a light source module and an endoscope to solve the technical problem in the prior art where water condensation around the laser and thermoelectric cooler during operation causes short circuit damage to the devices.

[0004] To achieve the above objectives, the technical solution adopted in this application is:

[0005] This application provides a light source module, including:

[0006] Heat sink assembly;

[0007] The base is connected to the heat sink assembly, and a sealed receiving cavity is formed between the two;

[0008] Refrigerator;

[0009] The laser and the cooler are connected to the laser and heat sink assembly, and both the cooler and the laser are located within a sealed containment cavity.

[0010] In some implementations, the light source module also includes a heat-conducting plate located between the cooler and the laser.

[0011] In some implementations, the base is provided with a detection port that is filled with inert gas in a conventionally sealed containment cavity. The detection port is provided with a plug, which is detachably connected to the base and has a sealing fit with the base.

[0012] In some implementations, the base is provided with a cable connector for installing a cable plug, and the cable connector is sealed to the base.

[0013] In some implementations, the base includes a first base and a second base, a first sealing ring is provided between the first base and the heat sink assembly, the second base is provided on the side of the first base away from the heat sink assembly, and a second sealing ring is provided between the first base and the second base.

[0014] In some implementations, the laser is equipped with a light guide beam, and the base has a mating hole located at the position where the first base and the second base are joined together; the second sealing ring includes a main sealing gasket and a mating hole sealing gasket connected to the main sealing gasket, the main sealing gasket is pressed between the first base and the second base, and the mating hole sealing gasket is arranged along the circumference of the mating hole.

[0015] In some implementations, the heat sink assembly includes a mounting plate, heat sink fins, and a cooling fan. A base and a cooler are mounted on one side of the mounting plate, and several heat sink fins are distributed on the side of the mounting plate away from the base. A cooling fan is mounted on one end of the mounting plate and each heat sink fin.

[0016] In some implementations, the light source module also includes an LED light source assembly, a beam combiner assembly, and a focusing lens assembly. The LED light source assembly and the beam combiner assembly are both connected to the heat sink assembly, and the LED light source assembly is located inside the beam combiner assembly. The focusing lens assembly is connected to the beam combiner assembly, and the laser is connected to the beam combiner assembly through a light guide beam.

[0017] In some implementations, the focusing lens assembly includes a focusing lens barrel, a focusing fiber, and one or more connecting components. The focusing lens barrel has a mounting hole, and the connecting components are detachably connected to the mounting hole, with the focusing fiber being limited on the focusing lens barrel by the connecting components. The connecting components include a spherical part and a pressing structure. A limiting step is formed on the mounting hole, and the spherical part is limited between the step surface of the limiting step and the pressing structure. The side of the spherical part facing away from the pressing structure abuts against the focusing fiber.

[0018] In some implementations, the extrusion structure includes an elastic element and an extrusion screw, the extrusion screw being threadedly connected to a mounting hole, and the elastic element being disposed between the extrusion screw and the spherical element.

[0019] This application provides an endoscope, including a light source module as provided in any of the above technical solutions.

[0020] The beneficial effects of this application are as follows: In this embodiment, by placing the laser and the cooler in a sealed cavity, the laser and the cooler are not in contact with the air outside the sealed cavity, thereby reducing the occurrence of short circuit damage to the devices caused by water condensation around the laser and the cooler when the cooler is working. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of the light source module provided in the embodiments of this application;

[0023] Figure 2 This is an exploded view of the light source module provided in the embodiments of this application;

[0024] Figure 3 Front view schematic diagram of the heat sink assembly, laser and cooling assembly and LED light source assembly provided in the embodiments of this application;

[0025] Figure 4 for Figure 3 Schematic diagram of the AA section;

[0026] Figure 5 for Figure 3 BB-direction sectional view in the diagram;

[0027] Figure 6 for Figure 3 CC-direction sectional view in the diagram;

[0028] Figure 7 An exploded view of the laser and cooling components provided in the embodiments of this application;

[0029] Figure 8 An exploded view of the laser, heat-conducting plate, and cooler provided in the embodiments of this application;

[0030] Figure 9 This is a cross-sectional schematic diagram of the focusing lens assembly provided in an embodiment of this application;

[0031] Figure 10 for Figure 9 A partial enlarged view of point A in the middle;

[0032] Figure 11 A cross-sectional schematic diagram of the focusing lens group, the first optical lens group, and the second optical lens group provided in the embodiments of this application;

[0033] Figure 12 An exploded view of the first optical lens group provided in an embodiment of this application;

[0034] Figure 13 This is a cross-sectional schematic diagram of the first optical lens group provided in an embodiment of this application;

[0035] Figure 14 This is a cross-sectional schematic diagram of the beam combiner and beam combiner mount provided in an embodiment of this application.

[0036] The following are the labeling elements in the figure:

[0037] 1-Heat sink assembly; 2-Laser and cooling assembly; 3-LED light source assembly; 4-Focusing lens group; 5-First optical lens group; 6-Second optical lens group;

[0038] 101-Mounting plate; 102-Heat dissipation fins; 103-Cooling fan; 104-Fan bracket;

[0039] 201-Base; 202-Sealed cavity; 203-Refrigerator; 204-Laser; 205-Heat-conducting plate; 206-Sealing component; 207-Cable connector; 208-Cable plug; 209-First sealing ring; 210-Second sealing ring; 211-Light guide beam; 212-First screw; 213-Second screw; 214-Heat insulation ring; 215-Third seal; 216-Fourth seal; 217-Locking ring;

[0040] 2011 - First seat body; 2012 - Second seat body; 2013 - Mating hole;

[0041] 2101 - Main sealing gasket; 2102 - Mating hole sealing gasket;

[0042] 2111 - Fiber Optic Connector;

[0043] 401-Focusing lens barrel; 402-Focusing fiber; 403-Connecting assembly; 404-Focusing spacer; 405-Focusing retaining ring; 406-Third lens;

[0044] 4011 - Mounting hole; 4012 - Stepped surface;

[0045] 4031 - Spherical component; 4032 - Elastic component; 4033 - Press screw;

[0046] 501-First lens barrel; 502-Beam combiner; 503-Beam combiner mount; 504-First spacer; 505-Washer; 506-First pressure ring; 507-First lens; 805-Connecting screw;

[0047] 503 - Stepped hole;

[0048] 601 - Second lens tube; 602 - Second lens. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be further described in detail below with reference to the accompanying drawings. The embodiments described with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0050] In the description of this application, it should be understood that the terms "length", "width", "thickness", "top", "bottom", "inner", "outer", "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0051] To facilitate a clear description of the technical solutions of this application, the terms "first" and "second" are used to distinguish identical or similar items with essentially the same function and effect. Those skilled in the art will understand that the terms "first" and "second" do not limit the quantity or execution order, and that the terms "first" and "second" do not necessarily imply that they are different.

[0052] In this application, unless otherwise expressly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0053] In this application, "and / or" is merely a way of describing the relationship between related objects, indicating that three relationships can exist; for example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0054] It should be noted that, in this application, the words "in one embodiment," "exemplarily," and "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "in one embodiment," "exemplarily," or "for example" should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of words such as "in one embodiment," "exemplarily," and "for example" is intended to present the relevant concepts in a specific manner.

[0055] This embodiment provides a light source module, including a heat sink assembly 1, a base 201, a cooler 203, and a laser 204. Please refer to [link to relevant documentation]. Figure 1-Figure 2 The diagram illustrates the heat sink assembly 1. In this embodiment, the base 201, cooler 203, and laser 204 can be collectively referred to as the laser and cooling assembly 2. Please refer to [link to documentation]. Figure 1 and Figure 2This illustrates the connection between the laser and cooling component 2 and the heat sink component 1.

[0056] The base 201 is mounted on the heat sink assembly 1, and a sealed receiving cavity 202 is formed between the base 201 and the heat sink assembly 1. Please refer to [link / reference]. Figure 4 , Figure 4 for Figure 3 Schematic sectional view along the AA direction. Figure 4 The diagram illustrates that a sealed receiving cavity 202 is formed between the base 201 and the heat sink assembly 1.

[0057] See Figure 4 The diagram illustrates the laser 204 and the cooler 203. Both the cooler 203 and the laser 204 are located within the sealed cavity 202, and the cooler 203 is connected to the laser 204 and the heat sink assembly 1.

[0058] Specifically, laser 204 is a semiconductor laser.

[0059] Specifically, the cooler 203 is a thermoelectric cooler. The hot side of the cooler 203 is in close contact with the heat sink assembly 1, and the cold side of the cooler 203 is in conjunction with the laser 204. When the cooler 203 is working, it can absorb the heat generated by the laser 204, and the heat absorbed by the cooler 203 can be transferred to the heat sink assembly 1. The heat from the heat sink assembly 1 can be dissipated into the air. Thus, the laser 204 can be cooled through the cooler 203 and the heat sink assembly 1, so that the temperature inside the sealed cavity 202 can be stabilized at about 25°C to ensure the normal operation of the laser 204.

[0060] In this embodiment, by placing the laser 204 and the cooler 203 inside the sealed cavity 202, the laser 204 and the cooler 203 are not in contact with the air outside the sealed cavity 202, thereby reducing the occurrence of short circuit damage to the devices caused by water condensation around the laser and the cooler 203 when the cooler 203 is working.

[0061] In one embodiment, the laser 204 is directly connected to the cooler 203, that is, the laser 204 is in direct contact with the cooler 203; in another embodiment, the light source module further includes a heat-conducting plate 205, which is located between the cooler 203 and the laser 204, that is, the cooler 203 and the laser 204 are not in direct contact.

[0062] See Figure 4 The diagram illustrates a heat-conducting plate 205 positioned between the cooler 203 and the laser 204. One side of the heat-conducting plate 205 is in contact with the cold side of the cooler 203, and the other side is in contact with the laser 204.

[0063] In this embodiment, by setting a heat-conducting plate 205, the heat generated by the laser 204 is transferred to the cooler 203 through the heat-conducting plate 205, thereby improving the heat dissipation effect of the laser 204.

[0064] Regarding the size of heatsink 205, please refer to [link / reference]. Figures 4-5 as well as Figure 7-Figure 8 The outer contours of the cooler 203 and the laser 204 are smaller than the size of the heat-conducting plate 205.

[0065] Regarding the fixing method of the heat-conducting plate 205, in one embodiment, please refer to... Figure 4 and Figure 8 The heat-conducting plate 205 is fixed to the heat sink assembly 1 by the second screw 213.

[0066] Preferably, a heat insulation ring 214 is fitted on the second screw 213, and a heat insulation ring 214 is provided between the heat-conducting plate 205 and the heat sink assembly 1. A heat insulation ring 214 is provided between the head of the second screw 213 and the heat-conducting plate 205. By providing the heat insulation ring 214, heat transfer to the second screw 213 is minimized.

[0067] Regarding the number of second screws 213, preferably, there are two or more second screws 213. For example, see a specific example. Figure 8 The diagram shows four second screws 213, which are respectively located at the four corners of the heat-conducting plate 205.

[0068] In this embodiment, when the heat-conducting plate 205 is fixed to the heat sink assembly 1 by the second screw 213, the cooler 203 can be squeezed between the heat-conducting plate 205 and the heat sink assembly 1.

[0069] Regarding the method of fixing the laser 204, in one embodiment, please refer to [link to relevant documentation]. Figure 8 The laser 204 is fixed to the heat-conducting plate 205 by the first screw 212.

[0070] Both the heat-conducting plate 205 and the laser 204 are fixed with screws, making the connection simple and easy to assemble and disassemble.

[0071] In one embodiment, the seat 201 is provided with a detection port for filling the conventional sealed receiving cavity 202 with inert gas. The detection port is equipped with a sealing member 206, which is detachably connected to the seat 201 and provides a sealing fit with the seat 201. Please refer to [link to relevant documentation]. Figure 6 and Figure 7 This illustrates the sealing component 206.

[0072] Regarding the sealing element 206, preferably, the sealing element 206 is a screw, and the sealing element 206 is threadedly connected to the detection port.

[0073] Inert gas can be filled into the sealed container 202 through the detection port. The specific operation is as follows: First, remove the sealing component 206 from the base 201, then place the light source module into the sealed container, and evacuate the sealed container to remove the air from the base 201. After the evacuation operation is completed, fill the sealed container with dry inert gas, such as nitrogen, so that the base 201 is filled with inert gas. Then open the sealed container and quickly connect the sealing component 206 to the base 201 to fill the base 201 with inert gas.

[0074] Safety can be further improved by filling the housing 201 with inert gas through the detection port. In other words, if air is sealed inside the housing 201, condensation may occur when the cooler 203 is working, potentially causing a short circuit. However, in this embodiment, by filling the housing 201 with inert gas through the detection port, condensation will not occur, thus further improving the safety of the device.

[0075] To ensure the sealing effect within the sealed cavity 202, a sealing element 206 is provided to seal against the seat 201.

[0076] Regarding the sealing fit between the sealing element 206 and the seat 201, please refer to [reference needed]. Figure 6 The sealing member 206 is fitted with a fourth sealing member 216. When the sealing member 206 is assembled onto the seat 201, the fourth sealing member 216 is squeezed to achieve a sealing fit between the sealing member 206 and the seat 201.

[0077] When the sealing element 206 is a screw, since the threaded connection between the sealing element 206 and the seat 201 already provides a sealing effect, the fourth sealing element 216 is not required. However, to improve the sealing effect, the fourth sealing element 216 can still be provided between the sealing element 206 and the seat 201 when the sealing element 206 is a screw.

[0078] In this embodiment, by providing a detection port on the base 201 and a detachable sealing member 206 at the detection port, inert gas can be filled into the sealed cavity 202, thereby further improving the safety of the electrical device.

[0079] In one embodiment, the base 201 is provided with a cable connector 207 for mounting a cable plug 208, and the cable connector 207 is sealed to the base 201. See also... Figure 4 The diagram illustrates the cable connector 207 and the mounting cable plug 208 connected to the cable connector 207.

[0080] The laser 204 and the cooler 203 located in the sealed cavity 202 need to be connected to cables. In this embodiment, the laser 204 and the cooler 203 are connected to the cable connector 207. The external power supply and communication cables are connected to the cable connector 207 through the cable plug 208, so as to realize the power supply and control of the laser 204 and the cooler 203.

[0081] To ensure a good seal within the sealed cavity 202, a cable connector 207 is provided to seal against the base 201.

[0082] Regarding the sealing fit between cable connector 207 and housing 201, please refer to [reference needed]. Figure 4 The cable connector 207 is inserted into the base 201. The cable connector 207 is provided with a third seal 215, which is pressed between the cable connector 207 and the inner side of the base 201.

[0083] Regarding the method of securing the cable connector 207 to the housing 201, please refer to [reference needed]. Figure 4 The diagram shows the locking ring 217, which is threadedly connected to the cable connector 207. The locking ring 217 secures the cable connector 207 to the base 201.

[0084] In this embodiment, by setting the cable connector 207 to seal with the seat 201, the sealing effect in the sealed cavity 202 can be guaranteed.

[0085] Regarding the base 201, in one embodiment, the base 201 is an integral structure, and the base 201 is sealed to the heat sink assembly 1 and detachably connected to the heat sink assembly 1. Alternatively, in another embodiment, please refer to... Figures 4-7 The seat 201 includes a first seat 2011 and a second seat 2012, that is, the seat 201 is a split structure. A first sealing ring 209 is provided between the first seat 2011 and the heat sink assembly 1. The second seat 2012 is located on the side of the first seat 2011 away from the heat sink assembly 1. A second sealing ring 210 is provided between the first seat 2011 and the second seat 2012.

[0086] Regarding the first seat 2011 and the second seat 2012, the first seat 2011 is a cylindrical structure with openings at both ends, and the second seat 2012 has an opening on one side facing the first seat 2011. The interior of the first seat 2011 is connected to the interior of the second seat 2012. By connecting the first seat 2011 and the second seat 2012 and by setting the first seat 2011 on the heat sink assembly 1, the inner side of the first seat 2011, the inner side of the second seat 2012, and the corresponding area on the heat sink assembly 1 together form a sealed receiving cavity 202.

[0087] See Figures 4-7 The diagram illustrates the first sealing ring 209 located between the first base 2011 and the heat sink assembly 1, i.e., the first sealing ring 209 is pressed between the first base 2011 and the heat sink assembly 1 to achieve a sealed fit between the first base 2011 and the heat sink assembly 1.

[0088] See Figures 4-7 The diagram illustrates the second sealing ring 210 located between the first seat 2011 and the second seat 2012, i.e., the second sealing ring 210 is pressed between the first seat 2011 and the second seat 2012 to achieve a sealing fit between the first seat 2011 and the second seat 2012.

[0089] In this embodiment, when a sealing member 206 is provided on the seat 201, the sealing member 206 can be provided on the first seat 2011 or on the second seat 2012. Please refer to [link to relevant documentation]. Figure 7 This illustrates that the sealing component 206 is installed on the first body 2011.

[0090] In this embodiment, when a cable connector 207 is provided on the base 201, the cable connector 207 can be provided on the first base 2011 or on the second base 2012. Please refer to [link to relevant documentation]. Figure 7 The diagram illustrates that the cable connector 207 is mounted on the second base 2012, and the cable connector 207 is mounted on the side of the second base 2012 opposite to the first base 2011.

[0091] In this embodiment, by providing a first sealing ring 209 between the first seat 2011 and the radiator assembly 1, and a second sealing ring 210 between the first seat 2011 and the second seat 2012, the sealing effect within the sealing cavity 202 can be guaranteed.

[0092] In one embodiment, a light guide beam 211 is provided on the laser 204; please refer to [link to relevant documentation]. Figure 7 The diagram illustrates the light guide beam 211. The base 201 has a mating hole 2013 located at the point where the first base 2011 and the second base 2012 intersect. Please refer to [link / reference]. Figure 5 This shows the mating hole 2013.

[0093] The two ends of the light guide beam 211 include fiber optic connectors 2111, please refer to [link / reference]. Figure 5 The diagram shows that the fiber optic connector 2111 at one end of the light guide beam 211 is connected to the laser 204, and the fiber optic connector 2111 is inserted into the mating hole 2013.

[0094] The mating hole 2013 is located at the position where the first seat 2011 and the second seat 2012 are joined together. Specifically, a mating hole 2013 is formed between the first seat 2011 and the second seat 2012. Specifically, an arc-shaped recess is formed on the end face of the first seat 2011 facing the second seat 2012, and an arc-shaped recess is formed on the end face of the second seat 2012 facing the first seat 2011. The two arc-shaped recesses are combined to form the mating hole 2013.

[0095] See Figure 7 The second sealing ring 210 includes a main sealing gasket 2101 and a mating hole sealing gasket 2102 connected to the main sealing gasket 2101. Please refer to [link to relevant documentation]. Figure 7 The diagram illustrates the main sealing gasket 2101 and the mating hole sealing gasket 2102, preferably integrally formed. When the second sealing ring 210 is assembled between the first seat 2011 and the second seat 2012, the main sealing gasket 2101 is pressed between the end face of the first seat 2011 facing the second seat 2012 and the end face of the second seat 2012 facing the first seat 2011, and the mating hole sealing gasket 2102 is arranged circumferentially along the mating hole 2013.

[0096] See Figure 7 The main sealing gasket 2101 is fitted to the shape of the first seat 2011 and the second seat 2012. When the first seat 2011 and the second seat 2012 are rectangular, the main sealing gasket 2101 is also approximately rectangular. The mating hole sealing gasket 2102 is fitted to the shape of the mating hole 2013. When the mating hole 2013 is circular, the mating hole sealing gasket 2102 can be set to be circular.

[0097] Regarding the connection between the main sealing gasket 2101 and the mating hole sealing gasket 2102, it can be understood that the main sealing gasket 2101 has a notch, and the mating hole sealing gasket 2102 is located at the notch of the main sealing gasket 2101.

[0098] See Figure 5 The axis of the mating hole 2013 is perpendicular to the distribution direction of the first seat 2011 and the second seat 2012. Since the mating hole sealing gasket 2102 is arranged circumferentially along the mating hole 2013, please refer to [link to relevant documentation]. Figure 7 The axis of the mating hole sealing gasket 2102 is perpendicular to the distribution direction of the first seat 2011 and the second seat 2012.

[0099] See Figure 5 The diagram illustrates that the fiber optic connector 2111 of the light guide beam 211 passes through the mating hole 2013, and the mating hole sealing gasket 2102 is pressed between the fiber optic connector 2111 and the inner wall surface of the mating hole 2013.

[0100] In this embodiment, by setting the main sealing gasket 2101 to be pressed between the end face of the first seat 2011 facing the second seat 2012 and the end face of the second seat 2012 facing the first seat 2011, a sealed fit between the first seat 2011 and the second seat 2012 is achieved; by setting the mating hole sealing gasket 2102 to be arranged circumferentially along the mating hole 2013, a sealed fit between the optical fiber connector 2111 of the light guide beam 211 and the mating hole 2013 can be achieved, which helps to ensure the sealing effect in the sealed receiving cavity 202.

[0101] Regarding the structure of the heat sink assembly 1, in one embodiment, please refer to... Figure 7 The heat sink assembly 1 includes a mounting plate 101, heat sink fins 102 and a cooling fan 103. A base 201 and a cooler 203 are provided on one side of the mounting plate 101. A number of heat sink fins 102 are distributed on the side of the mounting plate 101 away from the base 201. A cooling fan 103 is provided at one end of the mounting plate 101 and each heat sink fin 102.

[0102] See Figure 7 The diagram illustrates the mounting plate 101, heat sink fins 102, and cooling fan 103. Figure 7 In the example, the length direction of the heat dissipation fins 102 is along the length direction of the mounting plate 101, and several heat dissipation fins 102 are arranged sequentially at intervals along the height direction of the mounting plate 101.

[0103] See Figure 7 A cooling fan 103 is provided at one end of the heat dissipation fins 102 and the mounting plate 101. Preferably, the cooling fan 103 is mounted on a fan bracket 104, which is at least connected to the mounting plate 101. When the cooling fan 103 is working, it blows air onto the heat dissipation fins 102 to remove heat from the fins 102 through airflow.

[0104] The structure of the heat sink assembly 1 provided in this embodiment is simple and can achieve a good heat dissipation effect.

[0105] In one embodiment, please refer back to [link to previous document]. Figure 1-Figure 2 The light source module also includes an LED light source assembly 3, a beam combiner assembly, and a focusing lens assembly 4. The LED light source assembly 3 and the beam combiner assembly are both connected to the heat sink assembly 1, and the LED light source assembly 3 is located inside the beam combiner assembly. The focusing lens assembly 4 is connected to the beam combiner assembly, and the laser 204 is connected to the beam combiner assembly through a light guide beam 211.

[0106] In this embodiment, the LED light source component 3 is placed on the heat sink component 1, which not only supports the LED light source component 3, but also dissipates heat from the LED light source component 3.

[0107] In this embodiment, when the heat sink assembly 1 includes a mounting plate 101, heat dissipation fins 102, and a cooling fan 103, please refer to [link to relevant documentation]. Figure 7 The LED light source assembly 3 is mounted on the mounting plate 101, and along the length of the mounting plate 101, the LED light source assembly 3 is located on one side of the base 201.

[0108] Regarding the beam combiner group, when the LED light source assembly 3 is working, the light emitted by the LED light source assembly 3 passes through the beam combiner group, which focuses the light emitted by the LED light source assembly 3 and simultaneously transmits the light emitted by the LED light source assembly 3 to the focusing lens group 4. When the laser 204 is working, the light emitted by the laser 204 can be directed to the beam combiner group through the light guide beam 211. The beam combiner group focuses the light emitted by the laser 204 and simultaneously transmits the light emitted by the laser 204 to the focusing lens group 4. The light emitted by the laser 204 and the light emitted by the LED light source assembly 3 are emitted after passing through the focusing lens group 4.

[0109] The light source module provided in this embodiment includes not only a laser 204, but also an LED light source assembly 3, enabling the light source module to emit light of multiple wavelengths; by setting a beam combiner group and a focusing lens group 4, the effect of the light emitted by the light source module can be improved.

[0110] Regarding focusing lens group 4, in one embodiment, please refer to Figure 9 The focusing lens assembly 4 includes a focusing lens barrel 401, a focusing fiber 402, and one or more connecting components 403. The focusing fiber 402 is provided with a mounting hole 4011. The connecting component 403 is detachably connected to the mounting hole 4011, and the focusing fiber 402 is limited on the focusing lens barrel 401 by the connecting component 403.

[0111] See Figure 9 The diagram illustrates the focusing lens barrel 401, the focusing fiber 402, and the connecting assembly 403. The focusing fiber 402 is fixed to the focusing lens barrel 401 via the connecting assembly 403. When the connecting assembly 403 releases the restriction on the focusing fiber 402, the focusing fiber 402 can be pulled out of the focusing lens barrel 401. Additionally, in Figure 9 In the example, the focusing fiber 402 is inserted into the focusing lens barrel 401 along the axial direction of the focusing lens barrel 401, and a mounting hole 4011 is provided along the radial direction of the focusing lens barrel 401.

[0112] Regarding the connecting component 403, the connecting component 403 includes a spherical member 4031 and an extrusion structure. A limiting step is formed on the mounting hole 4011. The spherical member 4031 is limited between the step surface 4012 of the limiting step and the extrusion structure. The side of the spherical member 4031 facing away from the extrusion structure abuts against the focusing optical fiber 402.

[0113] See Figure 10 The diagram illustrates the stepped surface 4012 and the spherical component 4031. The stepped surface 4012 limits the spherical component 4031 from continuing to move towards the central axis of the focusing lens tube 401. When the spherical component 4031 comes into contact with the stepped surface 4012, it can just squeeze the focusing fiber 402.

[0114] The extrusion structure is inserted into the mounting hole 4011 and is detachably connected to the focusing lens barrel 401. When the extrusion structure is installed on the focusing lens barrel 401, the extrusion structure limiting ball 4031 moves away from the central axis of the focusing lens barrel 401, thereby limiting the focusing fiber 402 on the focusing lens barrel 401 by the connecting component 403.

[0115] Regarding the number of connecting components 403, it is preferable that the number of connecting components 403 is two or more. For example, the number of connecting components 403 is two, and the connecting components 403 are evenly spaced along the circumferential direction of the focusing lens barrel 401.

[0116] In this embodiment, by using the connecting component 403, the focusing fiber 402 can be conveniently positioned on the focusing lens barrel 401; since the stepped surface 4012 is used to limit the spherical part 4031 to continue moving in the direction of extending into the central axis of the focusing lens barrel 401, the force exerted by the connecting component 403 on the focusing fiber 402 can be a fixed value.

[0117] Regarding focusing lens group 4, preferably, please refer to Figure 9 The focusing lens group 4 also includes a focusing spacer 404, a focusing retainer 405, and a third lens 406. The number of third lenses 406 can be set to two. Figure 9 In the example, two third lenses 406 are disposed at a distance from each other on one side of the focusing fiber 402, and the curved surfaces of the two third lenses 406 are located on the side away from the focusing fiber 402. The third lens 406 that is closer to the focusing fiber 402 is limited between the inner end face of the focusing lens barrel 401 and the focusing spacer 404, and the third lens 406 that is farther away from the focusing fiber 402 is limited between the focusing spacer 404 and the focusing pressure ring 405. The focusing pressure ring 405 is fixedly connected to the focusing lens barrel 401, preferably the focusing pressure ring 405 is threadedly connected to the focusing lens barrel 401.

[0118] In one embodiment, the extrusion structure includes an elastic element 4032 and an extrusion screw 4033, the extrusion screw 4033 being threadedly connected to a mounting hole 4011, and the elastic element 4032 being disposed between the extrusion screw 4033 and the spherical element 4031. See also... Figure 9 The diagram illustrates the elastic element 4032 and the compression screw 4033.

[0119] In this embodiment, the elastic element 4032 can be connected to the spherical element 4031, or the elastic element 4032 and the spherical element 4031 can be disconnected; the elastic element 4032 can be connected to the pressing screw 4033, or the elastic element 4032 and the pressing screw 4033 can be disconnected. When the elastic element 4032 is not connected to either the pressing screw 4033 or the spherical element 4031, then the elastic element 4032, the spherical element 4031, and the pressing screw 4033 are three independent components.

[0120] When the compression screw 4033 is installed on the focusing lens barrel 401, as the compression screw 4033 continues to extend into the focusing lens barrel 401, the compression screw 4033 will compress the elastic element 4032, so that the elastic element 4032 exerts a force on the spherical element 4031.

[0121] Regarding the elastic element 4032, a spring element is preferred.

[0122] In this embodiment, by setting the extrusion structure including the elastic element 4032 and the extrusion screw 4033, the structure of the connecting component 403 is simple and convenient to operate by extruding the spherical element 4031 onto the stepped surface 4012.

[0123] The above description states that the light source module includes a beam combiner group. Regarding the beam combiner group, in one embodiment, the beam combiner group includes a first optical lens group 5 and a second optical lens group 6. Please refer to [link to relevant documentation]. Figure 1 and Figure 2 The diagram illustrates the first optical lens group 5 and the second optical lens group 6. One end of the first optical lens group 5 is connected to the heat sink assembly 1 and the other end is connected to the focusing lens group 4. The LED light source assembly 3 is located inside the first optical lens group 5. The second optical lens group 6 is disposed on the side of the first optical lens group 5. The laser 204 is connected to the second optical lens group 6 through the light guide beam 211.

[0124] Regarding the first optical lens group 5, preferably, please refer to Figure 13 The first optical lens group 5 includes a first lens barrel 501, a beam combiner 502, a beam combiner mount 503, a first spacer 504, a washer 505, a first retaining ring 506, and a first lens 507. The beam combiner 502 is mounted on the beam combiner mount 503, and the beam combiner mount 503 is mounted on the first lens barrel 501. The first lens 507 is disposed on one side of the beam combiner 502. Preferably, there are two first lenses 507. Figure 5 In the example, the first lens 507, which is relatively close to the beam combiner 502, is limited between the inner end face of the first lens barrel 501 and the first spacer 504, and the first lens 507, which is relatively far from the beam combiner 502, is limited between the first spacer 504 and the first pressure ring 506. The first pressure ring 506 is threadedly connected to the first lens barrel 501.

[0125] When the radiator assembly 1 includes a mounting plate 101, one end of the first mirror barrel 501 is preferably detachably connected to the mounting plate 101 using a connector; see also Figure 11 One end of the focusing lens tube 401 is inserted into the other end of the first lens tube 501. The axis of the first lens tube 501 is collinear with the axis of the focusing lens tube 401. The second optical lens group 6 is disposed on the side of the first lens tube 501, and the axis of the second optical lens group 6 is perpendicular to the axis of the first lens tube 501.

[0126] For information on the 502 beam combiner, please refer to [link / reference]. Figure 11 There is an angle of 45 degrees between the beam combiner 502 and the axis of the first lens tube 501. The light emitted by the LED light source assembly 3 can pass through each of the first lenses 507 in sequence and be directed to the beam combiner 502, and then to the focusing lens group 4 after passing through the beam combiner 502. The light emitted by the laser 204 is transmitted through the focusing fiber 402 to the second optical lens group 6, and then to the beam combiner 502. After being reflected by the beam combiner 502, it is directed to the focusing lens group 4.

[0127] See Figure 12 The diagram illustrates the explosion of the first optical lens group 5. Figure 12 The diagram illustrates the state of the beam combiner 502 and beam combiner mount 503 separated from the first lens barrel 501. When assembling the beam combiner 502 and beam combiner mount 503 into the first lens barrel 501, the beam combiner 502 is first assembled onto the beam combiner mount 503, and then the beam combiner mount 503 is inserted into the mounting hole on the first lens barrel 501. The beam combiner mount 503 is then fixed onto the first lens barrel 501 using a connector such as a connecting screw 805.

[0128] See Figure 14 The diagram shows a cross-sectional view of the beam combiner 502 and the beam combiner mount 503. A stepped hole 5031 is provided on the beam combiner mount 503. The beam combiner 502 is installed in the stepped hole 5031 of the beam combiner mount 503 and the beam combiner 502 abuts against the inner end face of the stepped hole 5031.

[0129] Regarding the second optical lens group 6, in one embodiment, please refer to... Figure 11 The second optical lens group 6 includes a second lens barrel 601 and a second lens 602. The second lens 602 is disposed inside the second lens barrel 601. There can be two second lens barrels 601. The light emitted by the laser 204 is transmitted to the second optical lens group 6 through the focusing fiber 402, and then passes through the two second lenses 602 of the second optical lens group 6 in sequence before being shot towards the beam combiner 502. After being reflected by the beam combiner 502, it is shot towards the focusing lens group 4.

[0130] This embodiment provides an endoscope, including the light source module provided in any of the above embodiments.

[0131] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A light source module, characterized in that, include: Heat sink assembly (1); A base (201) is connected to the heat sink assembly (1) and a sealed receiving cavity (202) is formed between them; Refrigerator (203); The laser (204) is connected to the heat sink assembly (1) by the cooler (203), and both the cooler (203) and the laser (204) are located in the sealed cavity (202).

2. The light source module as described in claim 1, characterized in that, The light source module also includes a heat-conducting plate (205), which is disposed between the cooler (203) and the laser (204).

3. The light source module as described in claim 1, characterized in that, The seat (201) is provided with a detection port for filling the conventional sealed accommodating cavity (202) with inert gas and a sealing member (206) installed on the detection port. The detection port on the seat (201) is sealed and fitted with the sealing member (206).

4. The light source module as described in claim 1, characterized in that, The base (201) is provided with a cable connector (207) for installing a cable plug (208), and the cable connector (207) is sealed to the base (201).

5. The light source module as described in claim 1, characterized in that, The seat (201) includes a first seat (2011) and a second seat (2012). A first sealing ring (209) is provided between the first seat (2011) and the heat sink assembly (1). The second seat (2012) is located on the side of the first seat (2011) away from the heat sink assembly (1). A second sealing ring (210) is provided between the first seat (2011) and the second seat (2012).

6. The light source module as described in claim 5, characterized in that, The laser (204) is provided with a light guide beam (211), and the base (201) is provided with a mating hole (2013) located at the position where the first base (2011) and the second base (2012) are joined together; The second sealing ring (210) includes a main sealing gasket (2101) and a mating hole sealing gasket (2102) connected to the main sealing gasket (2101). The main sealing gasket (2101) is pressed between the first seat (2011) and the second seat (2012). The mating hole sealing gasket (2102) is arranged circumferentially along the mating hole (2013).

7. The light source module as described in claim 1, characterized in that, The radiator assembly (1) includes a mounting plate (101), heat dissipation fins (102), and a cooling fan (103). The mounting plate (101) has a base (201) and a cooler (203) on one side. A plurality of heat dissipation fins (102) are distributed on the side of the mounting plate (101) away from the base (201). The cooling fan (103) is provided at one end of the mounting plate (101) and each of the heat dissipation fins (102).

8. The light source module as described in any one of claims 1-7, characterized in that, The light source module also includes an LED light source assembly (3), a beam combiner assembly, and a focusing lens assembly (4). The LED light source assembly (3) and the beam combiner assembly are both connected to the heat sink assembly (1), and the LED light source assembly (3) is located inside the beam combiner assembly. The focusing lens assembly (4) is connected to the beam combiner assembly, and the laser (204) is connected to the beam combiner assembly through a light guide beam (211).

9. The light source module as described in claim 8, characterized in that, The focusing lens assembly (4) includes a focusing lens barrel (401), a focusing optical fiber (402), and one or more connecting components (403). The focusing lens barrel (401) is provided with a mounting hole (4011). The connecting component (403) is detachably connected to the mounting hole (4011), and the focusing optical fiber (402) is limited on the focusing lens barrel (401) by the connecting component (403). The connecting component (403) includes a spherical member (4031) and an extrusion structure. A limiting step is formed on the mounting hole (4011). The spherical member (4031) is limited between the step surface (4012) of the limiting step and the extrusion structure. The side of the spherical member (4031) facing away from the extrusion structure abuts against the focusing optical fiber (402).

10. The light source module as described in claim 9, characterized in that, The extrusion structure includes an elastic element (4032) and an extrusion screw (4033), the extrusion screw (4033) being threadedly connected to the mounting hole (4011), and the elastic element (4032) being disposed between the extrusion screw (4033) and the spherical element (4031).

11. An endoscope, characterized in that, Includes the light source module according to any one of claims 1-10.

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