CN217687807U - Optical module detection device - Google Patents
Optical module detection device Download PDFInfo
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- CN217687807U CN217687807U CN202221675302.5U CN202221675302U CN217687807U CN 217687807 U CN217687807 U CN 217687807U CN 202221675302 U CN202221675302 U CN 202221675302U CN 217687807 U CN217687807 U CN 217687807U
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Abstract
The application discloses an optical module detection device, which is used for detecting an optical module, wherein the optical module comprises a cooling pipeline, the optical module detection device comprises a support, a cooling liquid circulation assembly and a blowing assembly, the cooling liquid circulation assembly and the blowing assembly are arranged on the support, and the support comprises a connecting structure used for being connected with the optical module; a cooling liquid output port of the cooling liquid circulation assembly is used for being communicated with an input end of the cooling pipeline, and a cooling liquid input port is used for being communicated with an output end of the cooling pipeline; the air blowing assembly comprises an air supply part and an air blowing pipeline, the air supply part is arranged on the support, one end of the air blowing pipeline is communicated with an air supply port of the air supply part, the other end of the air blowing pipeline is an air blowing port, and the air blowing port is used for being communicated with an input end of a cooling pipeline of the optical module. The embodiment of the application enables the air blowing pipeline to be communicated with the input end of the cooling pipeline of the optical module, enables the air supply part to provide air flow for the air blowing pipeline, and discharges the residual cooling liquid in the cooling pipeline from the output end of the cooling pipeline.
Description
Technical Field
The application relates to the technical field of optical module detection, in particular to an optical module detection device.
Background
In the prior art, the optical module detection device usually includes a water cooling assembly, before detecting the optical module, the water cooling assembly is usually required to be connected to a cooling pipeline inside the optical module, so as to provide a cooling liquid to the cooling pipeline of the optical module through the water cooling assembly, so as to cool the optical module, and then the optical module is controlled to operate, and parameters such as temperature, power and the like of the optical module are detected through the optical module detection device, so as to avoid the damage of the optical module due to overhigh temperature.
However, after detecting various parameters of the optical module, a part of cooling liquid still remains in the cooling pipeline inside the optical module, thereby causing a problem of inconvenience in subsequent operations of the optical module.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an optical module detection device, and aims to solve the problem that after the existing optical module detection device detects an optical module, a part of cooling liquid still remains in a cooling pipeline inside the optical module, so that the subsequent operation of the optical module is inconvenient.
The embodiment of the application provides an optical module detection device for detect optical module, optical module includes the cooling pipeline, optical module detection device includes:
a bracket including a connection structure for connecting with the optical module;
the cooling liquid circulating assembly is arranged on the bracket and comprises a cooling liquid output port and a cooling liquid input port, the cooling liquid output port is used for being communicated with the input end of the cooling pipeline, and the cooling liquid input port is used for being communicated with the output end of the cooling pipeline;
the blowing assembly comprises a gas supply part and a blowing pipeline, wherein the gas supply part is arranged on the support, one end of the blowing pipeline is communicated with a gas supply port of the gas supply part, the other end of the blowing pipeline is a blowing port, and the blowing port is communicated with an input end of a cooling pipeline of the optical module.
In some embodiments, the air blowing port communicates with the coolant outlet port.
In some embodiments, a first control valve is arranged on the blowing pipeline to control the on-off of the blowing pipeline.
In some embodiments, a check valve is arranged on the blowing pipeline, an inlet of the check valve is communicated with an inlet of the blowing pipeline, and an outlet of the check valve is communicated with a blowing port of the blowing pipeline.
In some embodiments, the first control valve is disposed between an outlet of the one-way valve and a blow port of the blow line.
In some embodiments, the cooling liquid circulation assembly comprises a cooling liquid circulator, an input pipeline and an output pipeline, wherein one end of the output pipeline is communicated with an outlet of the cooling liquid circulator, and the other end of the output pipeline is the cooling liquid output port; a second control valve is arranged on the output pipeline to control the on-off of the output pipeline;
one end of the input pipeline is communicated with an inlet of the cooling liquid circulator, and the other end of the input pipeline is the cooling liquid input port.
In some embodiments, the outlet of the second control valve is in communication with the outlet of the second control valve.
In some embodiments, a third control valve is further disposed on the input pipeline to control the on-off of the input pipeline.
In some embodiments, the optical module detection device includes at least two pairs of the output pipelines and the input pipelines, the number of the blowing pipelines is equal to that of the output pipelines, and the blowing ports of the blowing pipelines are in one-to-one correspondence communication with the outlets of the second control valves.
In some embodiments, each of the air blowing lines is connected to the same air supply component.
The optical module detection device that this application embodiment provided is through setting up the subassembly of blowing, the air blow pipeline that makes the subassembly of blowing can communicate with the input of the cooling pipeline of optical module, and make air feed unit provide the air current to the air blow pipeline, and blow in the cooling pipeline of optical module from the mouth of blowing of air blow pipeline, discharge remaining coolant liquid from the output of cooling pipeline in with the cooling pipeline, solved current optical module detection device after accomplishing the detection to optical module, remaining partial coolant liquid in the inside cooling pipeline of optical module, and lead to the inconvenient problem of optical module's follow-up operation.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an embodiment of an optical module detection apparatus provided in an embodiment of the present application;
fig. 2 is a schematic view of a piping structure of an embodiment of a cooling liquid circulation assembly according to an embodiment of the present disclosure.
An optical module detection device 100; a support 110; a connecting structure 111; a mounting plate 112; a coolant circulation assembly 120; a coolant circulator 121; an output line 122; the second control valve 123; an output line 124; a third control valve 125; an outlet conduit 126; the first three-way valve 127; a water inlet line 128; the second three-way valve 129; a shunt valve 130; a blow line 140; the first control valve 141; a check valve 150; a power meter 161; a second circulation line 162; an optical module 200; a jumper 300; a first circulation line 310.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the application provides an optical module detection device, which is used for detecting an optical module. The following are detailed below.
Fig. 1 is a schematic structural diagram of an embodiment of an optical module detection apparatus provided in the present application. As shown in fig. 1, the optical module detecting device 100 includes a bracket 110 and a cooling liquid circulation assembly 120, wherein the bracket 110 includes a connection structure 111 for connecting with an optical module 200. The optical module 200 is a module for generating laser light, and includes a cooling pipeline (not shown in the figure), and the optical module 200 is connected to the connecting structure 111 of the bracket 110, and then the cooling liquid circulation assembly 120 is communicated with the cooling pipeline of the optical module 200, so that the cooling liquid circulation assembly 120 supplies cooling liquid to the cooling pipeline of the optical module 200, and the optical module 200 can be cooled, thereby reducing the temperature of the optical module 200 during the operation process, and avoiding the problem that the optical module 200 is damaged due to the high temperature of the optical module 200 during the detection process of the optical module 200 by the optical module detection apparatus 100. The optical module detecting apparatus 100 can detect at least one of any parameters of the optical module 200, such as temperature, power, light leakage, spectrum, etc., without limitation.
The cooling liquid circulation assembly 120 includes a cooling liquid output port and a cooling liquid input port, the cooling liquid output port is used for communicating with an input end of the cooling pipeline, and the cooling liquid input port is used for communicating with an output end of the cooling pipeline. When the optical module 200 is detected by using the detection device of the optical module 200, the optical module 200 may be connected to the connection structure 111 of the bracket 110, and then the coolant outlet of the coolant circulation assembly 120 is communicated with the input end of the cooling pipeline, and the coolant inlet is communicated with the output end of the cooling pipeline, so that the coolant circulation assembly 120 inputs the coolant to the cooling pipeline of the optical module 200 through the coolant outlet, and the coolant in the cooling pipeline after exchanging heat with the heat generating device of the optical module 200 flows back to the coolant circulation assembly 120 through the coolant inlet, thereby achieving recycling of the coolant.
Specifically, as shown in fig. 1, the connecting structure 111 of the bracket 110 includes a supporting platform, and a holding mechanism (not shown) disposed on the supporting platform, wherein the optical module 200 is placed on the supporting platform, and the holding mechanism holds the optical module 200, so that the connecting structure 111 of the bracket 110 is stably connected to the optical module 200.
In some embodiments, the optical module detecting apparatus 100 further includes a blowing assembly, which includes a gas supply part (not shown in the figure) and a blowing pipeline 140, the gas supply part is disposed on the bracket 110, one end of the blowing pipeline 140 is communicated with a gas supply port of the gas supply part, and the other end of the blowing pipeline 140 is a blowing port for communicating with an input end of the cooling pipeline of the optical module 200. The air supply unit may be any unit capable of supplying air flow to the air blowing pipeline 140, such as an air pump, a fan, etc.
After the optical module detection apparatus 100 completes the detection of the optical module 200, the air blowing pipeline 140 may be communicated with the input end of the cooling pipeline of the optical module 200 through the air blowing port, and provide an air flow to the air blowing pipeline 140 through the air supply part, and blow into the cooling pipeline of the optical module 200 from the air blowing port of the air blowing pipeline 140, so as to discharge the residual cooling liquid in the cooling pipeline from the output end of the cooling pipeline, thereby solving the problem that the subsequent operation of the optical module 200 is inconvenient because the residual cooling liquid in the cooling pipeline inside the optical module 200 remains after the detection of the optical module 200 is completed by the existing optical module detection apparatus 100.
In some embodiments, as shown in FIG. 2, the insufflation port of insufflation line 140 communicates with the coolant output port of coolant circulation assembly 120. Therefore, after the optical module detection device 100 completes the detection of the optical module 200, the air blowing port of the air blowing pipeline 140 can directly blow air flow into the input end of the cooling pipeline of the optical module 200, and the input end of the cooling pipeline of the optical module 200 does not need to be separated from the coolant output port of the coolant circulation component 120, so that the detection time of the optical module detection device 100 on a single optical module 200 is shortened, and the detection efficiency of the optical module detection device 100 on the optical module 200 is improved.
In other embodiments, the blowing opening of the blowing pipeline 140 may not be communicated with the cooling liquid output opening of the cooling liquid circulation module 120. In this case, after the optical module detecting apparatus 100 completes the detection of the optical module 200, the input end of the cooling pipeline of the optical module 200 may be separated from the coolant output port of the coolant circulation assembly 120, and then the air blowing port of the air blowing pipeline 140 may be communicated with the input end of the cooling pipeline of the optical module 200. Alternatively, the cooling pipeline of the optical module 200 may have two input ends, and the cooling pipeline of the optical module 200 may also be blown by the blowing assembly by respectively communicating the cooling liquid output port of the cooling liquid circulation assembly 120 and the blowing port of the blowing pipeline 140 with different input ends of the cooling pipeline of the optical module 200.
In some embodiments, a first control valve 141 is provided on the blowing line 140 to control the on/off of the blowing line 140. The first control valve 141 may be a manual valve, a solenoid valve, a pneumatic valve, etc., and is not limited herein.
Thus, when the cooling liquid circulation assembly 120 inputs the cooling liquid to the cooling line of the optical module 200 through the cooling liquid output port, the first control valve 141 may be closed to close the blowing line 140, thereby preventing the cooling liquid from flowing back into the air supply part through the cooling line. When the optical module inspection apparatus 100 finishes inspecting the optical module 200, the first control valve 141 may be opened to conduct the air blowing pipe 140, so that the air supply unit blows air into the cooling pipe of the optical module 200 through the air blowing pipe 140.
In some embodiments, a check valve 150 is disposed on the blowing pipeline 140, an inlet of the check valve 150 is communicated with an inlet of the blowing pipeline 140, and an outlet of the check valve 150 is communicated with a blowing port of the blowing pipeline 140. Thus, when the cooling liquid circulation assembly 120 inputs the cooling liquid to the cooling line of the optical module 200 through the cooling liquid output port, the cooling liquid can be prevented from flowing back into the air supply part through the cooling line. After the optical module detecting apparatus 100 completes the detection of the optical module 200, the air supply unit can conveniently blow air into the cooling pipeline of the optical module 200 through the air blowing pipeline 140.
It should be noted that, in the embodiment of the present invention, the check valve 150 and the first control valve 141 may be provided in the air blowing pipeline 140 at the same time, or only one of the check valve 150 and the first control valve 141 may be provided, and of course, the former can further improve the safety of the air blowing assembly and prevent the cooling liquid from flowing back to the air supply part through the air blowing pipeline 140.
In some embodiments, a first control valve 141 is disposed between the outlet of the one-way valve 150 and the insufflation port of the insufflation line 140. Thus, the air flow from the air supply unit passes through the check valve 150, then passes through the first control valve 141, and then is blown into the cooling line of the optical module 200.
Of course, the first control valve 141 may be provided between the inlet of the check valve 150 and the inlet of the blowing line 140. The air flow blown from the air supply part is blown into the cooling pipeline of the optical module 200 through the first control valve 141, and then through the check valve 150.
In other embodiments, the first control valve 141 or the one-way valve 150 may not be disposed on the air blowing pipeline 140, and when the cooling liquid circulation module 120 inputs the cooling liquid to the cooling pipeline of the optical module 200 through the cooling liquid output port, an air flow may be blown into the air blowing pipeline 140 through the air supply part to prevent the cooling liquid from flowing back to the air supply part through the cooling pipeline.
In some embodiments, the cooling liquid circulation assembly 120 includes a cooling liquid circulator 121, an output pipeline 122 and an output pipeline 122, wherein one end of the output pipeline 122 is communicated with an outlet of the cooling liquid circulator 121, and the other end of the output pipeline 122 is a cooling liquid output port. One end of the input line 124 communicates with an inlet of the coolant circulator 121, and the other end of the input line 124 is a coolant input port. The coolant circulator 121 may be a dual-temperature water chiller. Alternatively, the coolant circulator 121 may be a water tank in which a liquid pump is disposed, and an output end of the liquid pump is one end of the outlet input pipe 124 of the coolant circulator 121 and is communicated with the water tank.
When the optical module 200 is detected by using the optical module 200 detection apparatus, the optical module 200 may be connected to the connection structure 111 of the bracket 110, and then the cooling liquid output port of the output pipeline 122 is communicated with the input end of the cooling pipeline, and the cooling liquid input port of the input pipeline 124 is communicated with the output end of the cooling pipeline. When the cooling liquid circulator 121 is operated, the cooling liquid can be output to the cooling pipeline of the optical module 200 through the output pipeline 122, and the cooling liquid in the cooling pipeline can be returned to the cooling liquid circulator 121 through the input pipeline 124.
In some embodiments, a second control valve 123 is disposed on the output line 122 to control the on/off of the output line 122. The second control valve 123 may be a manual valve, a solenoid valve, a pneumatic valve, etc., and is not limited herein.
Before the coolant outlet of the coolant circulation module 120 is communicated with the input end of the cooling pipeline, the second control valve 123 may be closed to close the output pipeline 122, so as to prevent the coolant in the output pipeline 122 from flowing out of the coolant outlet of the output pipeline 122.
After the cooling liquid output port of the cooling liquid circulation module 120 is communicated with the input port of the cooling pipeline, the second control valve 123 is opened, so that the cooling liquid circulator 121 provides the cooling liquid to the cooling pipeline of the optical module 200 through the output pipeline 122.
Wherein, the blowing port of the blowing pipeline 140 is communicated with the outlet of the second control valve 123. Therefore, when the air supply part blows air into the cooling pipeline of the optical module 200 through the air blowing pipeline 140, the second control valve 123 can be controlled to close the output pipeline 122, so as to prevent the air flow blown by the air blowing pipeline 140 from flowing back into the cooling liquid circulator 121 through the output pipeline 122.
In some embodiments, as shown in fig. 2, a third control valve 125 is further disposed on the input line 124 of the coolant circulation assembly 120 to control the on/off of the input line 124. The third control valve 125 may be a manual valve, a solenoid valve, a pneumatic valve, etc., and is not limited herein.
The third control valve 125 may be closed to close the input line 124 before communicating the coolant input port of the coolant circulation assembly 120 with the output of the cooling line, so as to prevent the coolant in the input line 124 from flowing out of the coolant input port of the input line 124. When the coolant input port of the coolant circulation module 120 is connected to the output port of the cooling line, the third control valve 125 is opened, so that the coolant in the cooling line can flow back to the coolant circulator 121 through the input line 124.
In some embodiments, as shown in FIG. 2, the optical module inspection device 100 includes at least two pairs of output tubing 122 and input tubing 124. Therefore, the optical module detection apparatus 100 can connect at least two optical modules 200 with the connection structure 111 of the bracket 110, and connect the cooling pipelines of each optical module 200 with different output pipelines 122 and input pipelines 124, so that the optical module detection apparatus 100 can detect the next optical module 200 immediately after detecting one optical module 200, even detect two optical modules 200 at the same time, and improve the detection efficiency of the optical module 200 monitoring apparatus.
The number of the air blowing pipelines 140 is equal to the number of the output pipelines 122, the air blowing ports of the air blowing pipelines 140 are in one-to-one correspondence communication with the outlets of the second control valves 123, and after each output pipeline 122 is communicated with the cooling pipelines of different optical modules 200, each air blowing pipeline 140 can blow air to the cooling pipeline of the corresponding optical module 200, so as to blow out the residual cooling liquid in the cooling pipeline of each optical module 200.
It should be noted that the respective air blowing lines 140 may be connected to the same air supply unit or may be connected to different air supply units, and of course, the former can reduce the number of air supply units and reduce the cost of the optical module detection apparatus 100.
Specifically, as shown in fig. 1 and 2, the bracket 110 includes two connection structures 111, and the two connection structures 111 are respectively used for connecting with different optical modules 200. The bracket 110 is provided with an attachment plate 112, and the first control valve 141, the second control valve 123, the third control valve 125, and the like are provided on the attachment plate 112. The optical module detecting device 100 includes a dual-temperature water chiller, an outlet of the dual-temperature water chiller is communicated with the water outlet pipe 126, and the other end of the water outlet pipe 126 is communicated with inlets of the two output pipes 122 through the first three-way valve 127. A flow meter is disposed on the water outlet pipe 126 for detecting the flow rate of the water outlet pipe 126. Output line 122 communicates with the input of the various cooling lines within optical module 200 through shunt valve 130. The different cooling pipelines in the optical module 200 may be mutually communicated or mutually independent, and are not limited herein. The output ends of the various cooling lines within the optical module 200 communicate with the input end of the input line 124 through the shunt valve 130. The two input pipelines 124 are communicated with one end of a water inlet pipeline 128 through a second three-way valve 129, and the other end of the water inlet pipeline 128 is communicated with an inlet of the double-temperature water cooler.
Wherein the outlet pipe 122 and the inlet pipe 124 are also communicated with the first circulation pipe 310 of the jumper 300 through the shunt valve 130 to cool the jumper 300.
In addition, the optical module detecting apparatus 100 further includes a power meter 161 for detecting the power of the optical module 200, and a second circulation pipe 162 for cooling the power meter 161, and an inlet and an outlet of the double-temperature water chiller are respectively communicated with the second circulation pipe 162 to supply the cooling liquid to the second circulation pipe 162, thereby cooling the power meter 161.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above detailed description is provided for the optical module detection device provided in the embodiment of the present application, and a specific example is applied in the detailed description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. An optical module inspection apparatus for inspecting an optical module, the optical module including a cooling circuit, the apparatus comprising:
a bracket including a connection structure for connecting with the optical module;
the cooling liquid circulation assembly is arranged on the bracket and comprises a cooling liquid output port and a cooling liquid input port, the cooling liquid output port is used for being communicated with the input end of the cooling pipeline, and the cooling liquid input port is used for being communicated with the output end of the cooling pipeline;
the blowing assembly comprises a gas supply part and a blowing pipeline, wherein the gas supply part is arranged on the support, one end of the blowing pipeline is communicated with a gas supply port of the gas supply part, the other end of the blowing pipeline is a blowing port, and the blowing port is communicated with an input end of a cooling pipeline of the optical module.
2. The optical module inspection device of claim 1, wherein the air blowing port is in communication with the coolant outlet port.
3. The optical module detecting device of claim 2, wherein a first control valve is disposed on the blowing pipeline to control the on/off of the blowing pipeline.
4. The optical module detecting device as claimed in claim 3, wherein a check valve is disposed on the blowing pipeline, an inlet of the check valve is communicated with an inlet of the blowing pipeline, and an outlet of the check valve is communicated with a blowing port of the blowing pipeline.
5. The optical module detecting device of claim 4, wherein the first control valve is disposed between the outlet of the one-way valve and the blowing port of the blowing pipeline.
6. The optical module inspection device according to any one of claims 1 to 5, wherein the cooling liquid circulation assembly includes a cooling liquid circulator, an input pipeline, and an output pipeline, one end of the output pipeline is communicated with an outlet of the cooling liquid circulator, and the other end of the output pipeline is the cooling liquid output port; a second control valve is arranged on the output pipeline to control the on-off of the output pipeline;
one end of the input pipeline is communicated with an inlet of the cooling liquid circulator, and the other end of the input pipeline is the cooling liquid input port.
7. The optical module detecting device of claim 6, wherein the blowing port of the blowing pipeline is communicated with the outlet of the second control valve.
8. The optical module detecting device of claim 6, wherein a third control valve is further disposed on the input pipeline to control the input pipeline to be opened or closed.
9. The optical module detecting device according to claim 6, wherein the optical module detecting device comprises at least two pairs of the output pipes and the input pipes, the number of the blowing pipes is equal to the number of the output pipes, and the blowing ports of the blowing pipes are in one-to-one correspondence with the outlets of the second control valves.
10. The optical module inspection device of claim 8, wherein each of said air blowing lines is connected to the same air supply unit.
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| CN202221675302.5U CN217687807U (en) | 2022-06-29 | 2022-06-29 | Optical module detection device |
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| CN202221675302.5U CN217687807U (en) | 2022-06-29 | 2022-06-29 | Optical module detection device |
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| CN217687807U true CN217687807U (en) | 2022-10-28 |
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