Optical module temperature test equipment and test method

Abstract

The invention discloses optical module temperature testing equipment and a testing method, which are applied to the technical field of optical module temperature testing equipment, and are characterized in that the optical module temperature testing equipment comprises a testing outer box and a sealing door rotationally connected to the testing outer box; a cooling and temperature control assembly and a testing inner box are fixedly connected in the testing outer box in parallel, and air supply channels which are communicated with the cooling and temperature control assembly and horizontally supply air into the testing inner box are arranged in the testing outer box and the sealing door. A test mounting frame arranged in the vertical direction is fixedly connected into the test inner box, a plurality of optical module circuit boards are fixedly connected to the test mounting frame at intervals in the vertical direction, and the test mounting frame is fixedly connected with a communication air supply channel right above the optical module circuit boards. The air inducing assembly is used for guiding horizontal air supply to be vertical air supply over against the optical module; the technical effect is that the temperature control effect is good.

Description

Technical Field

[0001] The present invention relates to the technical field of optical module temperature testing equipment, and in particular to an optical module temperature testing equipment and a testing method. Background Art

[0002] The optical module is an optoelectronic device that performs photoelectric and electro-optical conversion. The transmitting end of the optical module converts electrical signals into optical signals, and the receiving end converts optical signals into electrical signals. When a single optical module is powered on, the chip temperature will rise from room temperature to above 100°C within 5 minutes, the module case temperature will be above 100°C, and the maximum temperature can reach above 200°C. When testing multiple optical modules, it is necessary to ensure that the test environment temperature is lower than 70°C, and the air temperature uniformity at any point in the environment is within ±3°C. When the module is powered on to test the voltage and current stability (for 12 hours or more), ensure that the chip temperature of all modules is lower than 85°C, the case temperature of all modules is below 75°C, and the case temperature uniformity of all modules is within ±3°C. This places higher requirements on the temperature control performance of the test equipment. Summary of the invention

[0003] The first object of the present invention is to provide an optical module temperature testing device, which has the advantage of good temperature control effect.

[0004] The above technical purpose of the present invention is achieved through the following technical solutions: an optical module temperature testing device, comprising an outer test box and a closed door rotatably connected to the outer test box; a cooling and temperature control component and a test inner box are fixedly connected in parallel in the outer test box, and an air supply passage connected to the cooling and temperature control component and supplying air horizontally to the inner test box is provided in the outer test box and the closed door; a test mounting frame arranged along the vertical direction is fixedly connected in the inner test box, and a plurality of optical module circuit boards are fixedly connected to the test mounting frame at intervals along the vertical direction; the test mounting frame is fixedly connected to an air supply passage directly above the optical module circuit board, and is used to guide the horizontal air supply into an air induction component for vertically supplying air to the optical module.

[0005] The present invention is further configured as follows: the air supply passage includes a first air supply chamber arranged between the test outer box and the test inner box, and a second air supply chamber opened in the closed door and connected to the first air supply chamber, the air induced assembly is connected to the second air supply chamber, an air supply motor is fixedly connected to the test outer box, and an air supply wheel is fixedly connected to the rotating shaft of the air supply motor.

[0006] The present invention is further configured as follows: the air induced draft component includes a plurality of air induced draft grooves evenly spaced along the vertical direction on the inner wall of the second air supply chamber close to the test inner box, and a hollow air induced draft duct fixedly connected to the test mounting frame along the horizontal direction; an air inlet duct cooperating with the air induced draft grooves is provided at one end of the hollow air induced draft duct; a plurality of air outlets cooperating with the optical module on the optical module circuit board are provided at the bottom of the hollow air induced draft duct; an adjusting component for adjusting the size of the air induced draft grooves so as to achieve consistent air induced volume per unit time of the plurality of air induced draft assemblies; and the opening size of the air induced draft grooves gradually increases from top to bottom along the vertical direction.

[0007] The present invention is further configured as follows: the adjustment component includes adjustment slots symmetrically opened at both ends of the air duct slot and an air adjusting plate slidably connected to the inner wall of the first air supply cavity along the vertical direction, and the air volume entering the hollow air duct is adjusted based on the shielding portion of the adjustment slot, and the air adjusting plate is fixedly connected to the adjustment slot based on a locking nut.

[0008] The present invention is further configured such that: a silicone sealing pad for improving sealing is fixedly connected to one end of the air inlet pipe away from the hollow air duct.

[0009] The present invention is further configured as follows: sliding mounting blocks are symmetrically fixedly connected at both ends of the hollow air duct, and sliding mounting grooves that cooperate with the sliding mounting blocks are symmetrically fixedly connected at both ends of the test mounting frame, so that the hollow air duct is installed on the test mounting frame by inserting the sliding mounting blocks into the sliding mounting grooves.

[0010] The present invention is further configured as follows: the optical module circuit board is arranged on the test mounting frame based on an insulating sliding assembly, the insulating sliding assembly includes insulating sliding wheels that are evenly rotated and connected to the test mounting frame along a horizontal mounting direction, and the test mounting frame is fixedly connected with insulating rubber pads on both sides along the horizontal mounting direction to prevent wear on both sides of the optical module circuit board and to prevent damage to the optical module circuit board caused by static electricity.

[0011] The present invention is further configured as follows: a first temperature sensor for testing the ambient temperature is fixedly provided in the test inner box, a second temperature sensor for monitoring the temperature of the optical module is provided on the optical module circuit board, and at least two third temperature sensors are provided along the vertical direction on the test mounting frame, which are movably arranged based on active measurement components and are used to adhere to the surface of the optical module to measure the temperature of the optical module housing.

[0012] The present invention is further configured as follows: the active measurement component includes a rotating rod rotatably connected to the test mounting frame and a mounting rod fixedly connected to the rotating rod along a direction perpendicular to the rotating rod, the mounting rod is fixedly connected with a locking groove, the end of the mounting rod is rotatably connected with a locking screw for locking and fixing the third temperature sensor in the locking groove, one end of the rotating rod is rotatably connected to the test mounting frame based on the mounting rod, a return support torsion spring is sleeved and connected on the mounting rod, and the two ends of the return support torsion spring are respectively fixedly connected to the rotating rod and the test mounting frame, the rotating rods of several of the active measurement components are connected based on connecting wires, a traction motor is fixedly connected to the bottom of the test inner box, a traction wheel is fixedly connected to the rotating shaft of the traction motor, and the connecting wire is wound around the traction wheel.

[0013] A second object of the present invention is to provide a method for testing the temperature of an optical module, which has the advantage of good temperature control effect.

[0014] The above technical objectives of the present invention are achieved through the following technical solutions: a method for testing the temperature of an optical module, using an optical module temperature testing device as described in any of the above technical solutions; comprising: Step 1: Cooling air circulates in the air supply passage, and the temperature reduction and temperature control component is connected to the air supply passage to control the cooling air temperature in the air supply passage in real time; Step 2: During the circulation of the air in the air supply passage, part of the air enters the air induction assembly located in the test inner box in a horizontal direction; Step 3: The air induction component guides the horizontal cooling air into vertical cooling air facing the optical module, thereby quickly cooling the optical module; Step 4: The vertical cooling air is discharged from the other side of the test inner box and discharged from the test outer box to avoid affecting the cooling cycle of the air supply passage.

[0015] In summary, the present invention has the following beneficial effects: 1. The air induction component is provided with an air induction groove on the inner wall of the second air supply cavity, an air inlet pipe matching the air induction groove is provided at one end of the hollow air induction pipe, and an air outlet facing the optical module on the optical module circuit board is provided at the bottom of the hollow air induction pipe. The cooling air enters the hollow air induction pipe from the air induction groove along the horizontal direction, and the cooling air is concentrated and gathered in the hollow air induction pipe, and finally sent out from the bottom air outlet along the vertical direction and blows air to the optical module for cooling, which greatly increases the cooling efficiency and effect, and can reduce the air volume loss at the same time; 2. An adjusting component for adjusting the size of the air duct is provided on the inner wall of the second air supply cavity. The adjusting component is provided with adjusting grooves at both ends of the air duct and an air adjusting plate is provided on the inner wall of the first air supply cavity. The air volume entering the corresponding hollow air duct is adjusted based on the air adjusting plate shielding part of the adjusting groove, so that the air volume per unit time of the air duct components from top to bottom is kept consistent, thereby achieving the temperature control of all optical modules to maintain balance and improve the temperature control effect; 3. While setting the first temperature sensor and the second temperature sensor to measure the ambient temperature in the test box and the temperature of the optical module, a third temperature sensor for measuring the outer shell temperature of the optical module is set on the test mounting frame based on the active measurement component. When the temperature of the optical module needs to be measured, the traction motor drives the traction wheel to rotate, thereby pulling the connecting line downward, and the rotating rod rotates downward to drive the third temperature sensor fixed on the mounting rod to contact the outer shell surface of the optical module for temperature measurement, and compares the temperature with the first temperature sensor and the second temperature sensor, thereby improving the temperature measurement accuracy. After the measurement is completed, the traction motor drives the traction wheel to reverse, and the return support torsion spring returns to drive the rotating rod and the mounting rod to return, thereby avoiding blocking the outer shell surface of the optical module and affecting the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of this embodiment; Figure 2 Schematic diagram of the overall internal structure of this embodiment; Figure 3 is a schematic structural diagram of the air supply passage of this embodiment; Figure 4 is a schematic diagram of the structure of the test mounting frame of this embodiment; Figure 5 yes Figure 4 A magnified schematic diagram of part A; Figure 6 is a schematic structural diagram of the closed door of this embodiment; Figure 7 is a schematic structural diagram of the air induction assembly of this embodiment; Figure 8 is a schematic structural diagram of the insulating sliding assembly of this embodiment; Fig. 9 yes Figure 8 A magnified schematic diagram of part B; Fig.10 Schematic diagram of the structure of the active measurement component of this embodiment.

[0017] 1. Test outer box; 2. Closed door; 3. Cooling and temperature control component; 4. Test inner box; 5. Air supply passage; 51. First air supply chamber; 52. Second air supply chamber; 53. Air supply motor; 54. Air supply wheel; 6. Test mounting frame; 7. Optical module circuit board; 8. Air induced draft component; 81. Air induced draft slot; 82. Hollow air induced draft duct; 83. Air inlet duct; 84. Air outlet; 85. Adjustment component; 86. Adjustment slot; 87. Air adjustment plate; 88. Sliding mounting block; 89. Sliding mounting slot; 9. Insulating sliding component; 91. Insulating sliding wheel; 92. Insulating rubber pad; 10. Active measurement component; 101. Rotating rod; 102. Mounting rod; 103. Locking slot; 104. Locking screw; 105. Mounting shaft; 106. Restoring support torsion spring; 107. Connecting wire; 108. Traction motor; 109. Traction wheel. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0019] Embodiment 1: refer to Figures 1 to 10, an optical module temperature testing device comprises an outer test box 1 and a closed door 2 rotatably connected to the outer test box 1, a cooling and temperature control component 3 and an inner test box 4 are fixedly connected in parallel in the outer test box 1, an air supply passage 5 is provided in the outer test box 1 and the closed door 2, which is connected to the cooling and temperature control component 3 and supplies air horizontally to the inner test box 4, and the cooling air circulates in the air supply passage 5, a test mounting frame 6 arranged along the vertical direction is fixedly connected in the inner test box 4, the test mounting frame 6 is provided with a plurality of layers, a plurality of optical module circuit boards 7 are fixedly connected to the test mounting frame 6 at intervals along the vertical direction, a power supply circuit board for powering the optical module circuit board 7 is fixedly provided at one end of the test mounting frame 6 away from the closed door 2, and a power supply circuit board for powering the optical module circuit board 7 is fixedly provided at the end of the test mounting frame 6 away from the closed door 2, and a power supply circuit board for powering the optical module circuit board 7 is provided at the same time 7 is fixedly connected with an air supply passage 5, which is used to guide the horizontal air supply to be an air induced draft component 8 for vertically supplying air to the optical module. The air induced draft component 8 avoids the cooling air from being gathered to reduce the loss of air volume. The test inner box 4 is opened at one end close to the closed door 2, and is closed at the other end with a plurality of air outlets evenly provided thereon. The air outlet 84 leads directly to the outside air. The cooling air entering the test inner box 4 absorbs the heat of the optical module and is discharged to the outside air from the air outlet. The cooling and temperature control component 3 includes an air cooler and an exhaust turbo fan. The air supply passage 5 is provided with air inlet and air outlet positions. The air cooler sends the cold air into the air supply passage 5 for circulation. At the same time, the exhaust turbo fan is used to promote the flow efficiency of the air in the air supply passage 5. An electric heating pipe is also provided for temperature compensation. In this embodiment, the test mounting frame 6 is provided with two groups in parallel, each group can place 42 optical module circuit boards 7 along the vertical direction, so as to perform temperature test on 84 optical module circuit boards 7 at one time, which greatly improves the efficiency of the test. At the same time, the electric heating pipe, the exhaust turbo fan and the air cooler can all be frequency-converted. The electric heating pipe calculates the temperature of the component based on the PLC precise monitoring and customizes the precise power electric heating, and then performs temperature compensation. The exhaust turbo fan accurately calculates the circulating air volume through the size of the box and the area used, and uses a special exhaust fan to force the exhaust to prevent residual heat from remaining in the environment. The air cooler converts the required cooling power through the heat exchange formula, and through the special wind path design, it is fully stirred in the wind wheel and blown to the component for cooling.

[0020] refer to Figure 2 and Figure 3Specifically, the air supply passage 5 includes a first air supply chamber 51 disposed between the test outer box 1 and the test inner box 4, and a second air supply chamber 52 opened in the closed door 2 and connected to the first air supply chamber 51. The air induction assembly 8 is connected to the second air supply chamber 52. An air supply motor 53 is fixedly connected to the test outer box 1, and an air supply wheel 54 is fixedly connected to the rotating shaft of the air supply motor 53. The air supply motor 53 drives the air supply wheel 54 to rotate, thereby driving the cooling air to circulate in the air supply passage 5. In this embodiment, the air supply motor 53 converts the required cooling power through the heat exchange formula, and then calculates the motor power and the number of revolutions to customize the special specifications to achieve the required wind speed and air volume. The air supply wheel 54 converts the required cooling power through the heat exchange formula, and then calculates the diameter of the wind wheel to customize the special specifications.

[0021] refer to Figure 6 and Figure 7 Specifically, the air induction component 8 includes a plurality of air induction grooves 81 evenly spaced along the vertical direction and arranged on the inner wall of the second air supply chamber 52 close to the test inner box 4, and a hollow air induction pipe 82 fixedly connected to the test mounting frame 6 along the horizontal direction. An air inlet pipe 83 matching with the air induction grooves 81 is arranged at one end of the hollow air induction pipe 82, and a silicone sealing pad for improving the sealing is fixedly connected to the end of the air inlet pipe 83 away from the hollow air induction pipe 82. A plurality of air outlets 84 matching with the optical module on the optical module circuit board 7 are arranged at the bottom of the hollow air induction pipe 82. The cooling air enters the hollow air induction pipe 82 from the air induction grooves 81 along the horizontal direction, and the cooling air is discharged in the hollow air induction pipe 8 2, and finally sent out along the vertical direction from the bottom air outlet 84 and blow air to the optical module for cooling, which greatly increases the efficiency and effect of cooling, and can reduce the air volume loss at the same time. An adjusting component 85 is provided on the inner wall of the second air supply chamber 52 for adjusting the size of the air induction groove 81 so as to achieve the same air induction volume per unit time of several air induction components 8. The opening size of the air induction groove 81 gradually increases from top to bottom along the vertical direction. Since the wind speed gradually decreases from top to bottom, the opening size of the upper air induction groove 81 is set to be smaller than the opening size of the lower air induction groove 81, so that the air induction volume per unit time of the air induction components 8 from top to bottom is kept consistent. The adjusting component 85 includes adjusting grooves 86 symmetrically opened at both ends of the air induction groove 81 and an air regulating plate 87 slidably connected to the inner wall of the first air supply chamber 51 along the vertical direction, and the air induction groove 86 is shielded to adjust the air volume entering the hollow air induction pipe 82. The air regulating plate 87 is fixedly connected to the adjusting groove 86 based on the locking nut, which is convenient for adjustment.

[0022] refer to Figures 4 to 7Specifically, sliding mounting blocks 88 are symmetrically fixedly connected at both ends of the hollow air duct 82, and sliding mounting grooves 89 that cooperate with the sliding mounting blocks 88 are symmetrically fixedly connected at both ends of the test mounting frame 6. The hollow air duct 82 is installed on the test mounting frame 6 by inserting the sliding mounting blocks 88 into the sliding mounting grooves 89, which facilitates installation and disassembly.

[0023] refer to Figure 8 and Fig. 9 Specifically, the optical module circuit board 7 is arranged on the test mounting frame 6 based on the insulating sliding assembly 9. The insulating sliding assembly 9 includes insulating sliding wheels 91 that are evenly spaced and rotated along the horizontal mounting direction and connected to the test mounting frame 6. The test mounting frame 6 is fixedly connected with insulating rubber pads 92 on both sides along the horizontal mounting direction to prevent wear on both sides of the optical module circuit board 7 and to prevent damage to the optical module circuit board 7 caused by static electricity. The insulating sliding wheels 91 and the insulating rubber pads 92 prevent the optical module circuit board 7 from direct contact with the test mounting frame 6, thereby preventing damage to the optical module caused by static electricity and also preventing wear of the optical module circuit board 7.

[0024] refer to Fig.10Specifically, a first temperature sensor for testing the ambient temperature is fixedly provided in the test inner box 4, a second temperature sensor for monitoring the temperature of the optical module is provided on the optical module circuit board 7, and at least two third temperature sensors are movably arranged based on the active measurement component 10 along the vertical direction on the test mounting frame 6, and are used to fit the surface of the optical module to measure the temperature of the optical module housing. The active measurement component 10 includes a rotating rod 101 rotatably connected to the test mounting frame 6 and a mounting rod 102 fixedly connected to the rotating rod 101 along a direction perpendicular to the rotating rod 101, a locking groove 103 is fixedly connected to the mounting rod 102, and a locking screw 104 for locking and fixing the third temperature sensor in the locking groove 103 is rotatably connected to the end of the mounting rod 102, one end of the rotating rod 101 is rotatably connected to the test mounting frame 6 based on the mounting shaft 105, and a return support torsion spring 106 is sleeved and connected on the mounting shaft 105, and the two ends of the return support torsion spring 106 The ends are fixedly connected to the rotating rod 101 and the test mounting frame 6 respectively. The rotating rods 101 of several active measurement components 10 are connected based on the connecting line 107. A traction motor 108 is fixedly connected to the bottom of the test inner box 4. A traction wheel 109 is fixedly connected to the rotating shaft of the traction motor 108. The connecting line 107 is wound and connected to the traction wheel 109. When it is necessary to measure the temperature of the optical module, the traction motor 108 drives the traction wheel 109 to rotate, thereby pulling the connecting line 107 downward, and the rotating rod 101 rotates downward to drive the third temperature sensor fixed on the mounting rod 102 to contact the outer shell surface of the optical module for temperature measurement, and compares the temperature with the first temperature sensor and the second temperature sensor, thereby improving the accuracy of temperature measurement. After the measurement is completed, the traction motor 108 drives the traction wheel 109 to reverse, and the return support torsion spring 106 returns to drive the rotating rod 101 and the mounting rod 102 to return, thereby avoiding blocking the outer shell surface of the optical module and affecting the cooling effect.

[0025] Embodiment 2: A method for testing the temperature of an optical module, using an optical module temperature testing device as shown in Example 1, comprising: Step 1: Cooling air circulates in the air supply passage 5, and the temperature reduction and temperature control component 3 is connected to the air supply passage 5 to control the cooling air temperature in the air supply passage 5 in real time; Step 2: During the circulation of the wind in the air supply passage 5, part of the wind enters the air induction assembly 8 located in the test inner box 4 in a horizontal direction; Step 3, the air induction component 8 guides the horizontal cooling air to become the vertical cooling air facing the optical module, so as to quickly cool down the optical module; Step 4: The vertical cooling air is discharged from the other side of the test inner box 4 and discharged from the test outer box 1 to avoid affecting the cooling cycle of the air supply passage 5.

[0026] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make creative modifications to this embodiment as needed, but as long as it is within the scope of the claims of the present invention, it will be protected by the patent law.

Claims

1. An optical module temperature testing device, comprising a test outer box (1) and a closed door (2) rotatably connected to the test outer box (1); characterized in that: The test outer box (1) is respectively and parallelly fixedly connected with a cooling and temperature control component (3) and a test inner box (4); the test outer box (1) and the closed door (2) are provided with an air supply passage (5) which is connected with the cooling and temperature control component (3) and supplies air horizontally to the test inner box (4); the test inner box (4) is fixedly connected with a test mounting frame (6) arranged along the vertical direction; a plurality of optical module circuit boards (7) are fixedly connected to the test mounting frame (6) at intervals along the vertical direction; the test mounting frame (6) is fixedly connected with an air induction component (8) which is connected with the air supply passage (5) and is used to guide the horizontal air supply to supply air vertically to the optical module.

2. The optical module temperature testing device according to claim 1, characterized in that: The air supply passage (5) comprises a first air supply chamber (51) arranged between the test outer box (1) and the test inner box (4), and a second air supply chamber (52) opened in the closed door (2) and connected to the first air supply chamber (51), the air induction assembly (8) is connected to the second air supply chamber (52), an air supply motor (53) is fixedly connected to the test outer box (1), and an air supply wheel (54) is fixedly connected to the rotating shaft of the air supply motor (53).

3. The optical module temperature testing device according to claim 2, characterized in that: The air induction component (8) comprises a plurality of air induction grooves (81) evenly spaced along the vertical direction and arranged on the inner wall of one side of the second air supply chamber (52) close to the test inner box (4), and a hollow air induction pipe (82) fixedly connected to the test mounting frame (6) along the horizontal direction, one end of the hollow air induction pipe (82) is provided with an air inlet pipe (83) matched with the air induction grooves (81), the bottom of the hollow air induction pipe (82) is provided with a plurality of air outlets (84) matched with the optical module on the optical module circuit board (7), the inner wall of the second air supply chamber (52) is provided with an adjustment component (85) for adjusting the size of the air induction grooves (81) so as to achieve a consistent air induction volume per unit time of the plurality of air induction components (8), and the opening size of the air induction grooves (81) gradually increases from top to bottom along the vertical direction.

4. The optical module temperature testing device according to claim 3, characterized in that: The regulating assembly (85) comprises regulating grooves (86) symmetrically arranged at both ends of the air induction groove (81) and an air regulating plate (87) slidably connected to the inner wall of the first air supply chamber (51) along the vertical direction, and regulating the amount of air entering the hollow air induction pipe (82) by shielding a portion of the regulating groove (86), and the air regulating plate (87) is fixedly connected to the regulating groove (86) by a locking nut.

5. The optical module temperature testing device according to claim 3, characterized in that: One end of the air inlet pipe (83) away from the hollow air induction pipe (82) is fixedly connected to a silicone sealing pad for improving sealing performance.

6. The optical module temperature testing device according to claim 3, characterized in that: The two ends of the hollow air duct (82) are symmetrically fixedly connected with sliding mounting blocks (88), and the two ends of the test mounting frame (6) are symmetrically fixedly connected with sliding mounting grooves (89) that cooperate with the sliding mounting blocks (88). The hollow air duct (82) is installed on the test mounting frame (6) by inserting the sliding mounting blocks (88) into the sliding mounting grooves (89).

7. The optical module temperature testing device according to claim 1, characterized in that: The optical module circuit board (7) is arranged on the test mounting frame (6) based on an insulating sliding assembly (9), the insulating sliding assembly (9) comprising insulating sliding wheels (91) rotatably connected to the test mounting frame (6) at even intervals along a horizontal mounting direction, and insulating rubber pads (92) are fixedly connected to both sides of the test mounting frame (6) along the horizontal mounting direction for preventing wear on both sides of the optical module circuit board (7) and preventing damage to the optical module circuit board (7) caused by static electricity.

8. The optical module temperature testing device according to claim 1, characterized in that: A first temperature sensor for testing the ambient temperature is fixedly disposed in the test inner box (4); a second temperature sensor for monitoring the temperature of the optical module is disposed on the optical module circuit board (7); and at least two third temperature sensors are disposed along the vertical direction on the test mounting frame (6) and are movably arranged based on the active measurement components (10) and are used to fit the surface of the optical module to measure the temperature of the optical module housing.

9. The optical module temperature testing device according to claim 8, characterized in that: The active measurement component (10) comprises a rotating rod (101) rotatably connected to the test mounting frame (6) and a mounting rod (102) fixedly connected to the rotating rod (101) in a direction perpendicular to the rotating rod (101); a locking groove (103) is fixedly connected to the mounting rod (102); a locking screw (104) for locking and fixing the third temperature sensor in the locking groove (103) is rotatably connected to the end of the mounting rod (102); one end of the rotating rod (101) is rotatably connected to the test mounting frame (6) based on a mounting shaft (105). The test mounting frame (6) is mounted on a test inner box (4), a return support torsion spring (106) is sleeved and connected on the mounting shaft (105), two ends of the return support torsion spring (106) are respectively fixedly connected to the rotating rod (101) and the test mounting frame (6), the rotating rods (101) of the active measurement components (10) are connected based on a connecting line (107), a traction motor (108) is fixedly connected to the bottom of the test inner box (4), a traction wheel (109) is fixedly connected to the rotating shaft of the traction motor (108), and the connecting line (107) is wound and connected to the traction wheel (109).

10. A method for testing the temperature of an optical module, using an optical module temperature testing device as described in any one of claims 1 to 9; characterized in that: include: Step 1: Cooling air circulates in the air supply passage (5), and the temperature reduction and temperature control component (3) is connected to the air supply passage (5) to control the cooling air temperature in the air supply passage (5) in real time; Step 2: During the circulation of the wind in the air supply passage (5), part of the wind enters the air induction assembly (8) located in the test inner box (4) in a horizontal direction; Step 3, the air induction component (8) guides the horizontal cooling air to become vertical cooling air facing the optical module, thereby quickly cooling the optical module; Step 4: The vertical cooling air is discharged from the other side of the test inner box (4) and discharged from the test outer box (1) to avoid affecting the cooling cycle of the air supply passage (5).

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