Optical module liquid cooling on-hook testing device

Abstract

The utility model relates to a liquid cooling on-hook testing device for an optical module. The device mainly comprises an on-hook test box body, a condensation cover plate, a heating support platform and a fluorination liquid supplementing box, the on-hook test box body is arranged on the heating support platform, and the condensation cover plate is arranged on the on-hook test box body; a plurality of to-be-tested optical modules and fluorination liquid with the liquid level higher than that of the to-be-tested optical modules are arranged in the on-hook testing box body, a liquid supplementing opening is formed in one side of the on-hook testing box body, and the liquid supplementing opening is higher than the liquid level of the fluorination liquid in the on-hook testing box body. And the fluorinated liquid supplementing box is arranged outside the on-hook test box body and is connected with the liquid supplementing opening. According to the on-hook test device, the fluorinated liquid in the on-hook test box body can be supplemented through the external fluorinated liquid supplementing box, so that the influence on the test caused by the increased accumulated loss of the fluorinated liquid after long-time on-hook test is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of optical module liquid cooling test, in particular to an optical module liquid cooling on-hook test device. Background Art

[0002] At present, the liquid cooling test of the optical module is generally to immerse the entire optical module and the printed circuit board (PCB) in a fluorinated liquid for liquid cooling test. For some test items, it may take a long time to get accurate test results, that is, the optical module needs to be tested for a long time in liquid cooling.

[0003] However, for long-term liquid-cooled hanging-up tests, there are some problems with existing liquid-cooled testing equipment. For example, during liquid-cooled testing, although sealing settings are performed in most cases, the fluorinated liquid will inevitably be lost during the evaporation and condensation cycle. This loss has little effect on short-term tests, but for long-term liquid-cooled hanging-up tests, when the accumulated loss becomes larger in the later stage, it will have a greater impact on the test, resulting in test failure or inaccurate test results.

[0004] Based on this, the liquid cooling test equipment commonly used at this stage is not suitable for hanging up test, and the field urgently needs equipment that can realize long-term liquid cooling hanging up test to meet the use requirements.

[0005] In view of this, how to overcome the defects of the prior art and how to meet the long-term liquid cooling hanging machine testing requirements are problems that need to be solved urgently in this technical field. Utility Model Content

[0006] Aiming at the defects or improvement needs of the prior art, the utility model proposes a liquid-cooled on-hook test device for an optical module, which can replenish the fluorine liquid in the on-hook test box through an external fluorine liquid replenishing tank after a long-term on-hook test, thereby avoiding the influence of the accumulated loss of fluorine liquid on the test after a long-term on-hook test.

[0007] The utility model adopts the following technical solutions:

[0008] The utility model provides an optical module liquid-cooled on-hook test device, comprising an on-hook test box, a condensation cover, a heating support platform and a fluoride liquid replenishing tank; the on-hook test box is arranged on the heating support platform, and the condensation cover is arranged on the on-hook test box; a plurality of optical modules to be tested and fluoride liquid with a liquid level higher than that of the optical modules to be tested are arranged in the on-hook test box, a liquid replenishing port is arranged on one side of the on-hook test box, the height of the liquid replenishing port is higher than the liquid level of the fluoride liquid in the on-hook test box, and the fluoride liquid replenishing tank is arranged outside the on-hook test box and is connected to the liquid replenishing port.

[0009] In some embodiments, a liquid replenishment pressure relief valve is provided on one side of the on-hook test box, and the height of the liquid replenishment pressure relief valve is higher than the liquid level of the fluorinated liquid in the on-hook test box.

[0010] In some embodiments, fluorinated liquid circulation ports are respectively provided on both sides of the hanging machine test box, and the height of the fluorinated liquid circulation ports is lower than the liquid level of the fluorinated liquid in the hanging machine test box. A fluorinated liquid circulation pump and a fluorinated liquid filter are provided outside the hanging machine test box, and the fluorinated liquid circulation pump and the fluorinated liquid filter are connected in series and are respectively connected to the two fluorinated liquid circulation ports.

[0011] In some embodiments, a plurality of optical module photoelectric interfaces are disposed on one side of the on-hook test box, and the height of the optical module photoelectric interfaces is higher than the liquid level of the fluorinated liquid in the on-hook test box.

[0012] In some embodiments, the top of the hanging machine test box is open and is provided with a circle of sealing ring groove, a circle of rubber sealing ring is provided in the sealing ring groove, and the edge of the condensation cover plate is heavily pressed and sealed with the rubber sealing ring.

[0013] In some embodiments, the condensation cover plate includes a condensation flow channel plate, a condensation flow channel sealing plate and a condensation fin, the condensation fin is arranged below the condensation flow channel plate, and the diameter of the condensation fin is smaller than the diameter of the condensation flow channel plate; a cooling water circulation flow channel is opened on the condensation flow channel plate, and the condensation flow channel sealing plate is fixed on the condensation flow channel plate; a cooling water outlet and a cooling water inlet connected to the cooling water circulation flow channel are arranged on one side of the condensation flow channel plate; a cooling water circulation box is arranged outside the condensation cover plate, and the cooling water circulation box is connected to the cooling water outlet and the cooling water inlet.

[0014] In some embodiments, the condensing fin has a higher height in the middle on a side facing the fluorinated liquid and lower heights on both sides.

[0015] In some embodiments, handles are provided on both sides of the condensation channel plate.

[0016] In some embodiments, the heating support platform includes a constant temperature heating platform, a load-bearing support bracket and a constant temperature heater. The constant temperature heater is arranged in the load-bearing support bracket, the constant temperature heating platform is arranged on the load-bearing support bracket, and the hanging machine test box is arranged on the constant temperature heating platform.

[0017] In some embodiments, the optical module to be tested is connected to a test power supply and a switch via an optical module optoelectronic interface, and the switch is connected to a test computer.

[0018] Compared with the prior art, the beneficial effect of the utility model is that a liquid-cooled hanging-up test device for an optical module is proposed. After a long hanging-up test, the fluorinated liquid in the hanging-up test box can be replenished through an external fluorinated liquid replenishing tank, thereby avoiding the impact of the accumulated loss of fluorinated liquid on the test after a long hanging-up test. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work.

[0020] Figure 1 A schematic diagram of the structure of a liquid-cooled on-hook testing device for an optical module provided by an embodiment of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the on-hook test box provided by an embodiment of the utility model;

[0022] Figure 3 This is a side view of the on-hook test box after the PCB is installed provided by the embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the condensation cover plate provided in an embodiment of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the condensation channel plate provided in an embodiment of the utility model;

[0025] Figure 6 This is a schematic diagram of condensation and reflux of fluorinated liquid vapor provided in an embodiment of the utility model;

[0026] Figure 7 It is a schematic diagram of the structure of the heating support platform provided in the embodiment of the utility model;

[0027] Figure 8It is a three-dimensional schematic diagram of the installation of the on-hook test box, the condensation cover plate and the heating support platform provided in the embodiment of the utility model;

[0028] Fig. 9 It is a schematic diagram of evaporation of fluorinated liquid from a first viewing angle inside a hook-up test box provided by an embodiment of the utility model;

[0029] Fig.10 It is a schematic diagram of evaporation and condensation reflux of fluorinated liquid from a second viewing angle inside the on-hook test box provided by an embodiment of the utility model;

[0030] Fig.11 It is a schematic diagram of a connection test computer provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0031] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "left", "right", "top", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0032] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several variations and improvements can be made without departing from the concept of the present invention. These all fall within the scope of protection of the present invention.

[0033] It should be noted that, if there is no conflict, the various features in the embodiments of the present invention can be combined with each other, all within the scope of protection of the present invention. Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by technicians in the technical field of the present invention. The terms and directions used in this specification are only for the purpose of describing specific implementation methods and are not used to limit the present invention.

[0034] Unless the context requires otherwise, throughout the specification and claims, the term "including" is to be interpreted as open inclusion, that is, "including, but not limited to". In the description of the specification, the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples" or "some examples" and the like are intended to indicate that specific features, structures, materials or characteristics associated with the embodiment or example are included in at least one embodiment or example of the present disclosure. The schematic representation of the above terms does not necessarily refer to the same embodiment or example. In addition, the specific features, structures, materials or characteristics may be included in any one or more embodiments or examples in any appropriate manner, that is, although they may be carried in the embodiments or examples of the above terms due to reasons such as the order and position of appearance, it is not limited to that they can be carried in combination by one embodiment or example.

[0035] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0036] like Figure 1 As shown, an embodiment of the utility model provides an optical module liquid-cooled hanging-up test device, comprising a hanging-up test box 1, a condensation cover plate 2, a heating support platform 3 and a fluoride liquid replenishing tank 4; the hanging-up test box 1 is arranged on the heating support platform 3, and the condensation cover plate 2 is arranged on the hanging-up test box 1; the hanging-up test box 1 is provided with a plurality of optical modules 5 to be tested and a fluoride liquid 6 whose liquid level is higher than that of the optical modules 5 to be tested, and a replenishing port 101 is arranged on one side of the hanging-up test box 1, and the height of the replenishing port 101 is higher than the liquid level of the fluoride liquid 6 in the hanging-up test box 1, and the fluoride liquid replenishing tank 4 is arranged outside the hanging-up test box 1 and is connected to the replenishing port 101.

[0037] In one embodiment, first, multiple optical modules 5 to be tested are sequentially arranged at the reserved positions of PCB 13, and PCB 13 and optical modules 5 to be tested are fixed in the on-hook test box 1; the on-hook test box 1 is arranged on the heating support platform 3, and fluorine liquid 6 is poured into the on-hook test box 1, or fluorine liquid 6 is replenished into the on-hook test box 1 through the fluorine liquid replenishing tank 4 and the replenishing port 101, so that the height of fluorine liquid 6 in the on-hook test box 1 overflows PCB 13 and optical modules 5 to be tested, until the preset required height is reached, and finally the condensation cover plate 2 is covered on the on-hook test box 1 to complete the basic construction of the on-hook test device. When the test is carried out specifically, the fluorine liquid 6 in the on-hook test box 1 is heated by the heating support platform 3 to evaporate the fluorine liquid 6. After the fluorine liquid 6 evaporates, the vapor rises and contacts the condensation cover plate 2, and the vapor of the fluorine liquid 6 condenses and flows back into the on-hook test box 1, completing the evaporation and condensation cycle of the fluorine liquid 6. In this process, the optical module 5 to be tested on the PCB 13 is tested synchronously, and the obtained test data is transmitted to the outside for subsequent analysis.

[0038] On the basis of the above test principle, because this embodiment needs to implement a long-term on-hook test, after the time length is extended, during the evaporation and condensation cycle of the fluorinated liquid 6, even if the condensation cover plate 2 and the on-hook test box 1 are sealed, it is still inevitable that there will be losses. When the loss is large to a certain extent, the liquid level of the fluorinated liquid 6 will drop, for example, when it drops to a height that is not enough to cover the optical module 5 to be tested, the test will have errors or even fail. Based on this situation, this embodiment is provided with an external fluorinated liquid replenishing tank 4, and a replenishing port 101 is provided on one side of the on-hook test box 1. By connecting the fluorinated liquid replenishing tank 4 with the replenishing port 101, the fluorinated liquid 6 in the on-hook test box 1 can be replenished through the fluorinated liquid replenishing tank 4 and the replenishing port 101 after the liquid level of the fluorinated liquid 6 drops, so that the height of the fluorinated liquid 6 is maintained at the liquid level required for normal testing. In addition, the height of the liquid replenishing port 101 is set higher than the liquid level of the fluorinated liquid 6 in the on-hook test box 1 during normal testing, so that the setting of the liquid replenishing port 101 does not affect the fluorinated liquid 6 in the on-hook test box 1.

[0039] Through the above-mentioned arrangement, the optical module liquid-cooled hanging-up test device proposed in this embodiment can replenish the fluorine liquid 6 in the hanging-up test box 1 through the external fluorine liquid replenishing tank 4 after a long hanging-up test, thereby avoiding the influence of the accumulated loss of fluorine liquid 6 on the test after a long hanging-up test.

[0040] refer to Figure 2As shown, in one embodiment, a liquid replenishment pressure relief valve 102 is provided on one side of the on-hook test box 1, and the height of the liquid replenishment pressure relief valve 102 is higher than the liquid level of the fluorinated liquid 6 in the on-hook test box 1. The liquid replenishment pressure relief valve 102 can be provided to achieve the function of pressure relief and exhaust when the fluorinated liquid 6 in the on-hook test box 1 is replenished through the fluorinated liquid replenishment tank 4, so as to avoid the occurrence of excessive pressure in the on-hook test box 1.

[0041] refer to Figure 1 and Figure 2 As shown, in one embodiment, fluorinated liquid circulation ports 103 are respectively provided on both sides of the hanging machine test box 1, and the height of the fluorinated liquid circulation port 103 is lower than the liquid level of the fluorinated liquid 6 in the hanging machine test box 1. A fluorinated liquid circulation pump 7 and a fluorinated liquid filter 8 are provided outside the hanging machine test box 1, and the fluorinated liquid circulation pump 7 and the fluorinated liquid filter 8 are connected in series and are respectively connected to the two fluorinated liquid circulation ports 103. By setting the fluorinated liquid circulation port 103 and the fluorinated liquid circulation pump 7, the heat of the fluorinated liquid 6 in each place of the on-hook test box 1 can be made more uniform. For example, when the fluorinated liquid 6 in the on-hook test box 1 is heated by the heating support platform 3 at the beginning, the fluorinated liquid 6 at the bottom of the on-hook test box 1 will inevitably reach a certain temperature first, and the temperature of the fluorinated liquid 6 above needs to rise slowly by the heat conduction at the bottom. This process is relatively slow. By setting the fluorinated liquid circulation port 103 and the fluorinated liquid circulation pump 7, the fluorinated liquid 6 at different positions can be mixed and flowed, the heat conduction process can be accelerated, and the time to reach the preset temperature can be shortened. By setting the fluorinated liquid filter 8, the cleanliness of the fluorinated liquid 6 can be ensured to avoid affecting the test effect.

[0042] refer to Figure 2 As shown, in one embodiment, a plurality of optical module photoelectric interfaces 104 are provided on one side of the on-hook test box 1, and the height of the optical module photoelectric interfaces 104 is higher than the liquid level of the fluorinated liquid 6 in the on-hook test box 1. The optical module photoelectric interfaces 104 are used to provide a connection port between the optical module 5 to be tested and the outside, and when the optical module 5 to be tested is connected to the outside through the optical module photoelectric interfaces 104, the optical module photoelectric interfaces 104 are in a sealed state.

[0043] It should be noted that the on-hook test box 1 can be set to be transparent so that the operator can directly observe the internal situation.

[0044] refer to Figure 3 As shown, in one embodiment, a PCB fixing bracket 14 is provided at the bottom of the on-hook test box 1, the PCB 13 is fixed on the PCB fixing bracket 14, and the optical module to be tested 5 is installed on the PCB 13. Specifically, the PCB fixing bracket 14 can be set to four ( Figure 3Due to the viewing angle, only two on one side are shown, and there are two on the other side). Two PCBs 13 can be arranged side by side on each of the two opposite PCB fixing brackets 14, so that four PCBs 13 can be arranged on four PCB fixing brackets 14; and multiple optical modules 5 to be tested can be installed on each PCB 13 ( Figure 3 Due to the viewing angle, only one optical module 5 to be tested is shown on each PCB 13, but in fact, multiple optical modules 5 to be tested may be arranged in parallel. With such an arrangement, multiple optical modules 5 to be tested may be tested at one time, thus saving the testing cost.

[0045] refer to Figure 2 and Figure 4 As shown, in one embodiment, the top of the on-hook test box 1 is open and provided with a circle of sealing ring grooves 105, a circle of rubber sealing rings 106 is provided in the sealing ring grooves 105, and the edge of the condensation flow channel plate 201 of the condensation cover plate 2 is heavily pressed and sealed with the rubber sealing ring 106. The top opening of the on-hook test box 1 is square, so that after the condensation cover plate 2 is covered, the condensation fins 203 of the condensation cover plate 2 are located in the top space of the on-hook test box 1, thereby facilitating the condensation of the steam of the fluorinated liquid 6 on the condensation fins 203 and then flowing back into the on-hook test box 1. The sealing ring grooves 105 are provided around the top edge of the on-hook test box 1. When the condensation cover plate 2 is covered on the top of the on-hook test box 1, the rubber sealing ring 106 provided in the sealing ring grooves 105 completes the sealing of the condensation cover plate 2 and the on-hook test box 1.

[0046] refer to Figure 4 As shown, in one embodiment, the condensation cover plate 2 includes a condensation flow channel plate 201, a condensation flow channel sealing plate 202 and a condensation fin 203, and the condensation fin 203 is arranged below the condensation flow channel plate 201, and the diameter of the condensation fin 203 is smaller than the diameter of the condensation flow channel plate 201, so that after the edge of the condensation flow channel plate 201 covers the top of the hanging test box 1, the condensation fin 203 can be located in the internal space of the hanging test box 1.

[0047] refer to Figure 4 and Figure 5 As shown, in one embodiment, a cooling water circulation channel 204 is provided on the condensing channel plate 201, and the condensing channel sealing plate 202 is fixed on the condensing channel plate 201 to seal the space above the cooling water circulation channel 204. A cooling water outlet 205 and a cooling water inlet 206 connected to the cooling water circulation channel 204 are provided on one side of the condensing channel plate 201.

[0048] refer to Figure 1 and Figure 5As shown, a cooling water circulation box 9 is provided outside the condensation cover plate 2, and the cooling water circulation box 9 is connected to the cooling water outlet 205 and the cooling water inlet 206. The cooling water circulation channel 204 is in a winding shape as a whole, covering most of the area outside the edge of the condensation channel plate 201. During the test, cooling water is injected into the cooling water circulation channel 204 from the cooling water inlet 206 through the cooling water circulation box 9. After the cooling water flows through the cooling water circulation channel 204, it flows back to the cooling water circulation box 9 from the cooling water outlet 205. In the above-mentioned cooling water circulation process, because of the continuous circulation, cooling water is always maintained in various places of the cooling water circulation channel 204, so that the condensation fins 203 below can be kept at a low temperature, and then the fluorinated liquid 6 vapor contacts the condensation fins 203 and condenses and refluxes.

[0049] refer to Figure 5 As shown, in one embodiment, handles 207 are provided on both sides of the condensing channel plate 201. Through the handles 207 on both sides, the operator can conveniently remove the condensing cover plate 2 from the top of the hanging machine test box 1, or conveniently place the condensing cover plate 2 on the top of the hanging machine test box 1.

[0050] refer to Figure 6 As shown, in one embodiment, the side of the condensing fin 203 facing the fluorinated liquid 6 has a high height in the middle and low heights on both sides. In this arrangement, when the fluorinated liquid 6 vapor rises, it contacts the condensing fin 203 and condenses, and the condensed fluorinated liquid 6 flows from the middle to both sides along the structure of the condensing fin 203, and finally gathers on both sides and drips along the inner wall of the on-hook test box 1, avoiding the problem of the condensed fluorinated liquid 6 dripping randomly and affecting the test.

[0051] refer to Figure 7 As shown, in one embodiment, the heating support platform 3 includes a constant temperature heating platform 301, a load-bearing support bracket 302 and a constant temperature heater 303. The constant temperature heater 303 is arranged in the load-bearing support bracket 302, the constant temperature heating platform 301 is arranged on the load-bearing support bracket 302, and the on-hook test box 1 is arranged on the constant temperature heating platform 301. During the specific test, the constant temperature heating platform 301 is heated by the constant temperature heater 303, and the fluorinated liquid 6 in the on-hook test box 1 is further heated. Generally speaking, the temperature can be controlled at 50° by the constant temperature heater 303 to meet the test requirements.

[0052] refer to Figure 8 The figure shows the schematic diagram of the on-hook test box 1, the condensation cover plate 2 and the heating support platform 3 after installation. Fig. 9 and Fig.10As shown, the height of the fluorine liquid level 601 needs to be higher than the optical module 5 to be tested; during the test, the heating support platform 3 at the bottom heats the fluorine liquid 6 in the on-hook test box 1, and the optical module 5 to be tested will also generate heat during the test, and the fluorine liquid 6 is heated and boiled to form fluorine liquid 6 vapor, which rises toward the condensation cover plate 2. After the fluorine liquid 6 vapor rises and contacts the condensation fins 203, it is re-condensed into fluorine liquid 6 liquid, flows to both sides along the structure of the condensation fins 203, and finally guides along the inner walls on both sides of the on-hook test box 1, and flows back to the fluorine liquid level 601.

[0053] refer to Figure 3 and Fig.11 As shown, in one embodiment, the optical module 5 to be tested is connected to a test power supply 10 and a switch 11 through an optical module optoelectronic interface 104, and the switch 11 is connected to a test computer 12. The test power supply 10 serves as a power supply, and the test data of the optical module 5 to be tested is transmitted to the test computer 12 through the switch 11 for subsequent analysis.

[0054] In one embodiment, a liquid level meter can be provided in the on-hook test box 1 to monitor the height of the fluoride liquid level 601. When it is found that the height of the fluoride liquid level 601 is below the passing line, feedback is sent to start the fluoride liquid replenishment tank 4 to replenish the liquid. In addition, because the on-hook test box 1 is transparent, in addition to providing a liquid level meter, it is also possible to determine whether the height of the fluoride liquid level 601 needs to be replenished by manpower.

[0055] In summary, the utility model proposes a liquid-cooled hanging-up test device for an optical module. After a long hanging-up test, the fluorinated liquid in the hanging-up test box can be replenished through an external fluorinated liquid replenishing tank, thereby avoiding the impact of the accumulated loss of fluorinated liquid on the test after a long hanging-up test.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. An optical module liquid cooling hang-up test device, characterized in that: The invention comprises an on-hook test box (1), a condensation cover plate (2), a heating support platform (3) and a fluoride liquid replenishment tank (4); the on-hook test box (1) is arranged on the heating support platform (3), and the condensation cover plate (2) is arranged on the on-hook test box (1); a plurality of optical modules to be tested (5) and fluoride liquid (6) whose liquid level is higher than the optical modules to be tested (5) are arranged in the on-hook test box (1); a replenishment port (101) is arranged on one side of the on-hook test box (1); the height of the replenishment port (101) is higher than the liquid level of the fluoride liquid (6) in the on-hook test box (1); and the fluoride liquid replenishment tank (4) is arranged outside the on-hook test box (1) and is connected to the replenishment port (101).

2. The optical module liquid cooling hanging machine test device according to claim 1, characterized in that: A liquid replenishment pressure relief valve (102) is provided on one side of the on-hook test box (1), and the height of the liquid replenishment pressure relief valve (102) is higher than the liquid level of the fluorinated liquid (6) in the on-hook test box (1).

3. The optical module liquid cooling hanging machine test device according to claim 1, characterized in that: Fluorinated liquid circulation ports (103) are respectively arranged on both sides of the on-hook test box (1), and the height of the fluorinated liquid circulation ports (103) is lower than the liquid level of the fluorinated liquid (6) in the on-hook test box (1). A fluorinated liquid circulation pump (7) and a fluorinated liquid filter (8) are arranged outside the on-hook test box (1), and the fluorinated liquid circulation pump (7) and the fluorinated liquid filter (8) are connected in series and are respectively connected to the two fluorinated liquid circulation ports (103).

4. The optical module liquid cooling hanging machine test device according to claim 1, characterized in that: A plurality of optical module photoelectric interfaces (104) are arranged on one side of the on-hook test box (1), and the height of the optical module photoelectric interfaces (104) is higher than the liquid level of the fluorinated liquid (6) in the on-hook test box (1).

5. The optical module liquid cooling hanging machine test device according to claim 1, characterized in that: The top of the hanging machine test box (1) is open and is provided with a circle of sealing ring groove (105), a circle of rubber sealing ring (106) is provided in the sealing ring groove (105), and the edge of the condensation cover plate (2) is heavily pressed and sealed with the rubber sealing ring (106).

6. The optical module liquid cooling hanging machine test device according to claim 1, characterized in that: The condensation cover plate (2) comprises a condensation flow channel plate (201), a condensation flow channel sealing plate (202) and a condensation fin (203), wherein the condensation fin (203) is arranged below the condensation flow channel plate (201), and the diameter of the condensation fin (203) is smaller than the diameter of the condensation flow channel plate (201); a cooling water circulation flow channel (204) is opened on the condensation flow channel plate (201), and the condensation flow channel sealing plate (202) is fixed on the condensation flow channel plate (201); a cooling water outlet (205) and a cooling water inlet (206) which are connected to the cooling water circulation flow channel (204) are arranged on one side of the condensation flow channel plate (201); a cooling water circulation box (9) is arranged outside the condensation cover plate (2), and the cooling water circulation box (9) is connected to the cooling water outlet (205) and the cooling water inlet (206).

7. The optical module liquid cooling hanging machine test device according to claim 6, characterized in that: The condensing fin (203) has a higher height in the middle on the side facing the fluorinated liquid (6) and lower heights on both sides.

8. The optical module liquid cooling hanging machine test device according to claim 6, characterized in that: Handles (207) are provided on both sides of the condensation channel plate (201).

9. The optical module liquid cooling hook-up test device according to any one of claims 1 to 8, characterized in that: The heating support platform (3) comprises a constant temperature heating platform (301), a load-bearing support bracket (302) and a constant temperature heater (303); the constant temperature heater (303) is arranged in the load-bearing support bracket (302); the constant temperature heating platform (301) is arranged on the load-bearing support bracket (302); and the on-hook test box (1) is arranged on the constant temperature heating platform (301).

10. The optical module liquid cooling hanging machine test device according to any one of claims 1 to 8, characterized in that: The optical module to be tested (5) is connected to a test power supply (10) and a switch (11) via an optical module photoelectric interface (104), and the switch (11) is connected to a test computer (12).

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