Laser diode array light source module

Abstract

The utility model discloses a laser diode array light source module, which comprises a laser diode module and a protective box, the outer surface of the laser diode module is fixedly connected with a connecting ring, the lower surface of the laser diode module is fixedly connected with radiating fins, the inner surface of the connecting ring is in threaded connection with four screws, and the connecting ring is fixedly connected with the protective box. And the inner surface of the protection box is fixedly connected with a bearing plate. Through the arrangement of the motor, the fan blades, the heat dissipation fins and other structures, heat generated when the laser diode module is used can be absorbed into the heat dissipation fins under the action of the heat dissipation fins, so that the heat is prevented from being accumulated in the laser diode module, and the damage of the diode caused by the accumulation of the heat is further avoided; in addition, after the motor is started, the fan blades can blow air to the heat dissipation fins for heat dissipation, the heat dissipation speed of the heat dissipation fins is increased, and therefore the heat dissipation effect of the heat dissipation fins is improved.

Description

Technical Field

[0001] The utility model relates to the field of diodes, in particular to a laser diode array light source module. Background Art

[0002] Laser diode is a type of diode with the advantages of high efficiency and small size. Usually in the backhaul module of a bidirectional optical receiver, quantum well laser diode is used as the light source for uplink transmission, while array light source has multiple transmitting light sources at the same time.

[0003] In the prior art, a certain amount of heat will be generated during the use of the laser diode. If the generated heat cannot be processed in time, the heat will accumulate in the diode array light source module. If the module is at a high temperature for a long time, it may affect the service life of the diode, and may cause the diode to become unusable. Therefore, a laser diode array light source module is needed. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a laser diode array light source module. Through the arrangement of structures such as a motor, fan blades and heat dissipation fins, under the action of the heat dissipation fins, the heat generated by the laser diode module when in use can be absorbed into the heat dissipation fins, thereby avoiding the accumulation of heat in the laser diode module, and further avoiding the damage of the diode due to the accumulation of heat, thereby improving the service life of the laser diode module, and after starting the motor, the fan blades can blow air toward the heat dissipation fins to dissipate heat, thereby accelerating the heat dissipation speed of the heat dissipation fins, thereby improving the heat dissipation effect of the heat dissipation fins, and through the arrangement of the filter net, dust in the outside air can be prevented from adhering to the surface of the fan blades and the heat dissipation fins, thereby avoiding the adhesion of dust affecting the use effect of the fan blades and the heat dissipation fins.

[0005] The utility model also provides a laser diode array light source module as mentioned above, including a laser diode module and a protective box, the outer surface of the laser diode module is fixedly connected with a connecting ring, the lower surface of the laser diode module is fixedly connected with a heat dissipation fin, the inner surface of the connecting ring is threadedly connected with four screws, the inner surface of the protective box is fixedly connected with a supporting plate, the lower surface of the supporting plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a connecting shaft, the outer surface of the connecting shaft is fixedly connected with a plurality of fan blades, and two air outlets are provided on the protective box.

[0006] The outer surfaces of the four screws are all threadedly connected with positioning blocks, and the same connecting block is fixedly connected to two corresponding positioning blocks, and the inner surfaces of the two connecting blocks are fixedly connected with filter screens.

[0007] According to the laser diode array light source module, a first thread groove is provided on the protective box, and the inner surface of the first thread groove is connected to the screw thread.

[0008] According to the laser diode array light source module, a positioning groove is provided on the protective box, and the inner surface of the positioning groove is movably connected to the positioning block.

[0009] According to the laser diode array light source module, a second thread groove is provided on the connecting ring, and the inner surface of the second thread groove is connected to the screw thread, so as to facilitate releasing the connection between the laser diode module and the protective box.

[0010] According to the laser diode array light source module, the outer surface of the connecting shaft is rotatably connected to the carrying plate, and the connecting shaft passes through the carrying plate.

[0011] According to the laser diode array light source module, the motor is electrically connected to an external power source, and the outer surface of the connecting block is movably connected to the air outlet.

[0012] According to the laser diode array light source module, the heat dissipation fins are located on the top side of the fan blades, and the lower surface of the connecting ring is in contact with the protective box. The heat dissipation efficiency of the heat dissipation fins can be improved by the arrangement of the fan blades.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is an overall structural diagram of a laser diode array light source module of the utility model;

[0016] Figure 2 This is a schematic structural diagram of a heat dissipation fin portion of a laser diode array light source module of the utility model;

[0017] Figure 3 This is a structural schematic diagram of a cross-section of a protective box of a laser diode array light source module of the utility model;

[0018] Figure 4 This is a schematic structural diagram of a blade cross-section of a laser diode array light source module of the utility model;

[0019] Figure 5 The utility model is a schematic diagram of the structure of the fan blade part of a laser diode array light source module.

[0020] Legend:

[0021] 1. Laser diode module; 2. Connecting ring; 3. Screw; 4. Positioning block; 5. Connecting block; 6. Filter; 7. Air outlet; 8. Protective box; 9. Loading plate; 10. Motor; 11. Connecting shaft; 12. Fan blade; 13. First thread groove; 14. Positioning groove; 15. Second thread groove; 16. Heat sink fin. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a laser diode array light source module, which includes a laser diode module 1 and a protective box 8. The outer surface of the laser diode module 1 is fixedly connected with a connecting ring 2, and the lower surface of the laser diode module 1 is fixedly connected with a heat dissipation fin 16. The inner surface of the connecting ring 2 is threadedly connected with four screws 3. The inner surface of the protective box 8 is fixedly connected with a supporting plate 9, and the lower surface of the supporting plate 9 is fixedly connected with a motor 10. The output end of the motor 10 is fixedly connected with a connecting shaft 11, and the outer surface of the connecting shaft 11 is fixedly connected with a plurality of fan blades 12. Two air outlets 7 are provided on the protective box 8. The outer surface of the connecting shaft 11 is rotatably connected to the supporting plate 9, and the connecting shaft 11 passes through the supporting plate 9. The motor 10 is electrically connected to an external power supply. The outer surface of the connecting block 5 is movably connected to the air outlet 7. The heat dissipation fin 16 is located on the top side of the fan blade 12, and the lower surface of the connecting ring 2 is in contact with the protective box 8.

[0024] The outer surfaces of the four screws 3 are all threadedly connected with the positioning blocks 4, and the same connecting block 5 is fixedly connected to the corresponding two positioning blocks 4. The inner surfaces of the two connecting blocks 5 are fixedly connected with the filter screen 6. The protective box 8 is provided with a first thread groove 13, and the inner surface of the first thread groove 13 is threadedly connected to the screw 3. The protective box 8 is provided with a positioning groove 14, and the inner surface of the positioning groove 14 is movably connected to the positioning block 4. The connecting ring 2 is provided with a second thread groove 15, and the inner surface of the second thread groove 15 is threadedly connected to the screw 3.

[0025] Working principle: Under the action of the heat dissipation fins 16, the heat generated by the laser diode module 1 during use can be absorbed into the heat dissipation fins 16, thereby reducing the heat generated by the laser diode module 1, and then the motor 10 on the carrier plate 9 is started, so that the output end of the motor 10 drives the connecting shaft 11 and the fan blades 12 to rotate after starting, so that the rotating fan blades 12 generate wind force and blow towards the heat dissipation fins 16, thereby accelerating the heat dissipation of the heat of the heat dissipation fins 16, and at the same time, it can accelerate the flow speed of air in the protective box 8, so that the hot air can be quickly discharged to the outside through the air outlet 7, and under the action of the filter 6, it can prevent dust in the outside air from entering the protective box 8, thereby preventing dust from adhering to the surface of the fan blades 12 and the heat dissipation fins 16, and use a screwdriver or other tool to rotate the screw 3, and after unscrewing the screw 3 from the first thread groove 13 and the second thread groove 15, the connection between the connecting ring 2 and the protective box 8 can be released, so that The protective box 8 and other equipment on the protective box 8 are removed from the connecting ring 2, so that the restrictions on the positioning block 4, the connecting block 5 and the filter 6 can be released. The positioning block 4, the connecting block 5 and the filter 6 can be removed from the protective box 8 on the connecting ring 2 for cleaning. When installing the filter 6, the positioning block 4 is inserted into the positioning groove 14 on the protective box 8, so that the first thread groove 13 and the positioning groove 14 can be connected, and the connecting block 5 and the filter 6 are located in the air outlet 7. Then the connecting ring 2 is placed on the protective box 8, so that the connecting ring 2 is in contact with the connecting block 5, and the second thread groove 15 connects the first thread groove 13 and the positioning groove 14. Then the screw 3 is inserted into the first thread groove 13, the positioning groove 14 and the second thread groove 15, and then the screw 3 is reversed with a screwdriver to realize the connection between the protective box 8 and the filter 6, and the connection between the laser diode module 1 and the protective box 8 and the equipment on the protective box 8 is completed.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A laser diode array light source module, characterized in that: include: A laser diode module (1) and a protective box (8), wherein a connecting ring (2) is fixedly connected to the outer surface of the laser diode module (1), a heat dissipation fin (16) is fixedly connected to the lower surface of the laser diode module (1), four screws (3) are threadedly connected to the inner surface of the connecting ring (2), a carrying plate (9) is fixedly connected to the inner surface of the protective box (8), a motor (10) is fixedly connected to the lower surface of the carrying plate (9), an output end of the motor (10) is fixedly connected to a connecting shaft (11), a plurality of fan blades (12) are fixedly connected to the outer surface of the connecting shaft (11), and two air outlets (7) are provided on the protective box (8); The outer surfaces of the four screws (3) are all threadedly connected to positioning blocks (4), and the corresponding two positioning blocks (4) are fixedly connected to the same connecting block (5), and the inner surfaces of the two connecting blocks (5) are fixedly connected to filter screens (6).

2. A laser diode array light source module according to claim 1, characterized in that: The protection box (8) is provided with a first thread groove (13), and the inner surface of the first thread groove (13) is threadedly connected to the screw (3).

3. The laser diode array light source module according to claim 1, characterized in that: The protection box (8) is provided with a positioning groove (14), and the inner surface of the positioning groove (14) is movably connected to the positioning block (4).

4. The laser diode array light source module according to claim 1, characterized in that: The connecting ring (2) is provided with a second thread groove (15), and the inner surface of the second thread groove (15) is threadedly connected to the screw (3).

5. The laser diode array light source module according to claim 1, characterized in that: The outer surface of the connecting shaft (11) is rotatably connected to the bearing plate (9), and the connecting shaft (11) passes through the bearing plate (9).

6. The laser diode array light source module according to claim 1, characterized in that: The motor (10) is electrically connected to an external power source, and the outer surface of the connecting block (5) is movably connected to the air outlet (7).

7. The laser diode array light source module according to claim 1, characterized in that: The heat dissipation fins (16) are located on the top side of the fan blades (12), and the lower surface of the connecting ring (2) is in contact with the protective box (8).

Images