Air nozzle structure for testing temperature of optical module

Abstract

The utility model discloses a tuyere structure for testing the temperature of an optical module, which is applied to the technical field of optical module temperature testing, and is characterized by comprising a test box and an air supply cavity arranged in the test box, a plurality of air inducing nozzles are uniformly formed in the side wall of the air supply cavity in the vertical direction at intervals, and a plurality of air inducing assemblies which communicate with the air inducing nozzles and are used for guiding horizontal air entering from the air inducing nozzles to be right opposite to an optical module for vertical air supply are fixedly connected into the test box; the air supply cavity is provided with an adjusting assembly used for adjusting the size of the air inducing nozzles so that the air inducing amount of the multiple air inducing assemblies in the unit time can be kept consistent. The cooling device has the technical effects of simple structure and high cooling efficiency.

Description

Technical Field

[0001] This utility model relates to the field of optical module temperature testing technology, and in particular to a nozzle structure for optical module temperature testing. Background Technology

[0002] Optical modules are optoelectronic devices that perform photoelectric and electro-optical conversion. The transmitting end of an optical module converts electrical signals into optical signals, and the receiving end converts optical signals back into electrical signals. When a single optical module is powered on, the chip temperature will rise from room temperature to over 100°C within 5 minutes, and the module casing temperature will also exceed 100°C, with the highest temperature reaching over 200°C. When testing multiple optical modules, it is necessary to ensure that the ambient temperature is below 70°C, the air temperature uniformity at any point in the environment is within ±3°C, and the voltage and current stability of the modules are tested (for 12 hours or more), ensuring that the chip temperature of all modules is below 85°C, the casing temperature of all modules is below 75°C, and the casing temperature uniformity of all modules is within ±3°C. This places higher demands on the temperature control performance of the testing equipment.

[0003] Currently, Chinese patent application CN114308174A discloses an air shower-type optical module aging system, including at least one heating chamber with at least one air inlet and at least one air outlet. The heating chamber contains several carrier plates for placing optical modules, which are arranged vertically at intervals. The uppermost carrier plate and the heating chamber form a first cavity area. A centrifugal fan is installed inside the heating chamber on one side of the carrier plates. The other side of the carrier plates and the heating chamber form a second cavity area that communicates with the first cavity area. The air shower plate is composed of a first layer and a second layer stacked together. Both the first and second layers have several corresponding first and second through holes, forming the air outlet in the overlapping area of ​​the first and second through holes.

[0004] Existing patent applications form an air outlet in the overlapping area of ​​the first and second through holes, and the air outlet can be adjusted according to the wind speed at different locations to ensure that the air speed at different locations in the entire heating chamber is consistent. However, during the temperature test, the heat generated is mainly produced by the optical module. Existing patent applications cannot provide targeted cooling for the optical module, resulting in insufficient cooling efficiency and loss of cooling air volume, which necessitates improvement. Utility Model Content

[0005] The purpose of this invention is to provide a nozzle structure for testing the temperature of optical modules, which has the advantages of simple structure and high cooling efficiency.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a nozzle structure for testing the temperature of an optical module, comprising a test chamber and an air supply cavity disposed within the test chamber; a plurality of air inlet nozzles are evenly spaced along the vertical direction on the side wall of the air supply cavity; a plurality of air inlet components are fixedly connected to the test chamber and communicate with the air inlet nozzles, for guiding the horizontal air entering from the air inlet nozzles into vertical air supply to the optical module; and an adjustment component is provided on the air supply cavity to adjust the size of the air inlet nozzles so as to keep the air volume of the plurality of air inlet components consistent per unit time.

[0007] The present invention is further configured such that: the air-guiding assembly includes a hollow air-guiding pipe fixedly connected to the test box in a horizontal direction, one end of the hollow air-guiding pipe is provided with an air inlet pipe that cooperates with the air-guiding nozzle, and the bottom of the hollow air-guiding pipe is provided with a plurality of air outlets that cooperate with the optical modules on the optical module circuit board, and the air outlets are opened vertically at the bottom of the hollow air-guiding pipe.

[0008] The present invention is further configured such that: a silicone sealing gasket for abutting against the air nozzle is fixedly connected to one end of the air inlet pipe away from the hollow air duct to improve the sealing performance.

[0009] The present invention is further configured such that: the adjustment component includes adjustment grooves symmetrically opened at both ends of the air inlet and an air regulating plate slidably connected to the inner wall of the air supply cavity along the vertical direction, and an air regulating plate that adjusts the air volume entering the hollow air inlet based on partially covering the adjustment grooves, and the air regulating plate is fixedly connected to the adjustment groove based on the locking nut.

[0010] The present invention is further configured such that the opening size of the air inlet gradually increases along the air delivery direction of the air delivery cavity.

[0011] The present invention is further configured such that the hollow air duct, the air inlet duct, and the air outlet are all square in shape.

[0012] In summary, this utility model has the following beneficial effects:

[0013] 1. By opening an air inlet nozzle on the inner wall of the air supply cavity and setting an air inlet pipe that matches the air inlet nozzle at one end of the hollow air inlet pipe, and opening an air outlet at the bottom of the hollow air inlet pipe that faces the optical module on the optical module circuit board, the cooling air enters the hollow air inlet pipe horizontally from the air inlet nozzle. The cooling air is concentrated and gathered in the hollow air inlet pipe, and finally sent out vertically through the bottom air outlet to blow air directly onto the optical module for cooling. This greatly increases the cooling efficiency and effect, while reducing air volume loss.

[0014] 2. An adjustment component for adjusting the size of the air nozzle is installed on the inner wall of the air supply cavity. The adjustment component adjusts the air volume entering the corresponding hollow air duct by setting adjustment grooves at both ends of the air nozzle and setting an air regulating plate on the inner wall of the air supply cavity. Based on the air regulating plate blocking part of the adjustment groove, the air volume is adjusted, so that the air volume of the air supply component is kept consistent per unit time along the air supply direction, thereby controlling the temperature of all optical modules to remain balanced and improving the temperature control effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0016] Figure 2 This is a schematic diagram of the air supply chamber and air intake nozzle in this embodiment;

[0017] Figure 3 This is a schematic diagram of the air intake assembly in this embodiment;

[0018] Figure 4 This is a schematic diagram of the adjustment component in this embodiment.

[0019] Reference numerals in the attached drawings: 1. Test chamber; 2. Air supply chamber; 3. Air inlet nozzle; 4. Air inlet assembly; 41. Hollow air inlet pipe; 42. Air inlet pipe; 43. Air outlet; 5. Adjustment assembly; 51. Adjustment slot; 52. Air regulating plate. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings.

[0021] Example:

[0022] refer to Figures 1 to 4 A nozzle structure for testing the temperature of an optical module includes a test chamber 1 and an air supply cavity 2 disposed inside the test chamber 1. Several air inlet nozzles 3 are evenly spaced along the vertical direction on the side wall of the air supply cavity 2. Several air inlet components 4 are fixedly connected inside the test chamber 1 and communicate with the air inlet nozzles 3 to guide the horizontal air entering from the air inlet nozzles 3 into vertical air supply to the optical module. An adjustment component 5 is provided on the air supply cavity 2 to adjust the size of the air inlet nozzles 3 so as to keep the air volume of the several air inlet components 4 consistent per unit time.

[0023] refer to Figures 2 to 3Specifically, the air intake assembly 4 includes a hollow air intake duct 41 fixedly connected to the test chamber 1 along a horizontal direction. One end of the hollow air intake duct 41 has an air inlet duct 42 that mates with the air intake nozzle 3. The other end of the hollow air intake duct 41 is closed. Several air outlets 43, which mate with the optical modules on the optical module circuit board, are opened at the bottom of the hollow air intake duct 41. The air outlets 43 are vertically located at the bottom of the hollow air intake duct 41. Cooling air enters the hollow air intake duct 41 horizontally from the air intake nozzle 3. The cooling air is concentrated and gathered within the hollow air intake duct 41, and finally exits vertically through the bottom air outlets 43, blowing air directly onto the optical modules for cooling. This greatly increases the cooling efficiency and effect while reducing airflow loss. The hollow air intake duct 41, air inlet duct 42, and air outlets 43 are all square in shape to enhance the gathering and concentration effect of the cooling air. The end of the air inlet pipe 42 away from the hollow air duct 41 is fixedly connected to a silicone sealing gasket for abutting against the air nozzle 3 to improve the sealing performance.

[0024] refer to Figure 2 and Figure 4 Specifically, the adjustment component 5 includes adjustment slots 51 symmetrically located at both ends of the air inlet nozzle 3 and an air regulating plate 52 slidably connected to the inner wall of the air supply cavity 2 along the vertical direction. This plate, by partially obscuring the adjustment slots 51, adjusts the airflow entering the hollow air supply duct 41. A locking nut secures the air regulating plate 52 within the adjustment slots 51. The air regulating plate 52, by partially obscuring the adjustment slots 51, adjusts the airflow entering the corresponding hollow air supply duct 41, thus ensuring a consistent airflow rate per unit time for the air supply component 4 along the air supply direction. This achieves balanced temperature control for all optical modules and improves temperature control performance. The opening size of the air inlet nozzle 3 gradually increases along the air supply direction of the air supply cavity 2. Since the wind speed gradually decreases along the air supply direction, the opening size of the front air inlet nozzle 3 is smaller than that of the rear air inlet nozzle 3, ensuring a consistent airflow rate per unit time for the air supply component 4 along the air supply direction of the air supply cavity 2.

[0025] Brief description of the usage process: Cooling air enters the hollow air duct 41 horizontally from the air nozzle 3. The cooling air is concentrated and gathered in the hollow air duct 41, and finally sent out vertically through the bottom air outlet 43 to blow air directly onto the optical module for cooling. The air volume entering the corresponding hollow air duct 41 is adjusted by the air regulating plate 52 shielding part of the regulating groove 51, so that the air volume of the air duct component 4 remains consistent per unit time along the air supply direction.

[0026] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment that make creative contributions as needed, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A nozzle structure for optical module temperature test, comprising a test box (1) and a blowing cavity (2) arranged in the test box (1); characterized in that, The side wall of the air supply cavity (2) is uniformly spaced along the vertical direction and is provided with a plurality of air guide nozzles (3), a plurality of air guide assemblies (4) are fixedly connected in the test box (1) and are communicated with the air guide nozzles (3) and are used for guiding the horizontal air entering from the air guide nozzles (3) to be perpendicular to the light module for vertical air supply, and the air supply cavity (2) is provided with an adjusting assembly (5) for adjusting the size of the air guide nozzles (3) so as to realize that the air guide amounts of the air guide assemblies (4) per unit time remain consistent.

2. The nozzle structure for temperature testing of an optical module according to claim 1, wherein The air guide assembly (4) comprises a hollow air guide pipe (41) fixedly connected to the test box (1) along the horizontal direction, one end of the hollow air guide pipe (41) is provided with an air inlet pipe (42) matched with the air guide nozzle (3), and a plurality of air outlets (43) matched with the light modules on the light module circuit board are formed in the bottom of the hollow air guide pipe (41) along the vertical direction.

3. The nozzle structure for temperature testing of an optical module according to claim 2, wherein The air inlet pipe (42) is fixedly connected with a silica gel sealing gasket for abutting against the air guide nozzle (3) to improve the sealing performance at the end away from the hollow air guide pipe (41).

4. The nozzle structure for temperature testing of an optical module according to claim 2, wherein The adjusting assembly (5) comprises adjusting grooves (51) symmetrically formed at both ends of the air guide nozzle (3) and an air adjusting plate (52) slidingly connected to the inner wall of the air supply cavity (2) along the vertical direction and based on shielding part of the adjusting grooves (51) to adjust the air amount entering the hollow air guide pipe (41), and the air adjusting plate (52) is fixedly connected in the adjusting grooves (51) based on a locking nut.

5. The nozzle structure for temperature testing of an optical module according to claim 4, wherein The opening size of the air guide nozzle (3) gradually increases along the air supply direction of the air supply cavity (2).

6. The nozzle structure for temperature testing of an optical module according to claim 2, wherein The hollow air guide pipe (41), the air inlet pipe (42) and the air outlet (43) are all square in structure.

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