CN221126471U - Extension line for optical module - Google Patents

Abstract

The application relates to an extension line for an optical module, which comprises a first plug connector, a second plug connector and an extension line body, wherein the first plug connector is used for being connected with the optical module; the second plug connector is used for being connected with data center equipment; the extension line body is connected between the first plug connector and the second plug connector, and the extension line body comprises a transmission line, a waterproof film and a woven mesh, wherein the waterproof film is coated on the periphery of the transmission line, and the woven mesh is coated on the periphery of the waterproof film. By arranging the extension line body, the waterproof film is coated on the periphery of the transmission line, so that a waterproof effect can be achieved; the woven mesh can play a role in protecting and shielding transmission signals and data, and when the woven mesh is used, the second plug connector can be connected with the data center equipment immersed in cooling liquid, and the first plug connector can be connected with an optical module on the liquid level of the cooling liquid, so that the common optical module can be selectively used when the transmission of the signals and the data is ensured, the cost is saved, the common optical module can be effectively prevented from being in direct contact with the cooling liquid, and the common optical module is connected with the liquid cooling data center equipment.

Description

Extension line for optical module

Technical Field

The application relates to the technical field of communication, in particular to an extension line for an optical module.

Background

The immersed liquid cooling technology can greatly reduce the energy consumption for heat dissipation, and is increasingly widely applied to high-energy consumption interconnection application occasions such as data centers. Optical modules are an important component of the data center infrastructure, and for optoelectronic products such as common optical modules, if the optical modules are directly operated in a liquid cooling environment, unexpected optical refraction and reflection can be caused by the operation of optical elements such as lasers and lenses in the optical modules, and the product functions can be disabled. The cost of the special liquid cooling optical module is relatively high and the process is complex, the newly built liquid cooling data center of the client needs to be imported with the liquid cooling optical module, the importing verification period is long, and especially the reliability of the liquid cooling industry is not sound and standardized, so that the trouble of the client is easily caused.

Disclosure of Invention

Based on this, it is necessary to provide a method for ensuring signal and data transmission, and at the same time, a common optical module can be selectively used, so that the cost is saved.

An extension cord for an optical module, comprising:

the first plug connector is used for being connected with the optical module;

The second plug connector is used for being connected with data center equipment;

the extension line body is connected between the first plug connector and the second plug connector, and comprises a transmission line, a waterproof film and a woven mesh, wherein the waterproof film is coated on the periphery of the transmission line, and the woven mesh is coated on the periphery of the waterproof film.

In one embodiment, the transmission line comprises a high-speed cable and a low-speed cable which is arranged in an insulated manner with the high-speed cable; the first plug connector and the first plug connector both comprise a circuit board electrically connected with the high-speed cable and the low-speed cable.

In one embodiment, the circuit board of the first connector includes a first bonding pad connected to the high-speed cable, the high-speed cable is soldered to the first bonding pad, and a first insulating tape is disposed at a connection position between the high-speed cable and the first bonding pad.

In one embodiment, the circuit board of the second connector includes a second bonding pad connected to the high-speed cable, the high-speed cable is soldered to the second bonding pad, and a second insulating tape is disposed at a connection position between the high-speed cable and the second bonding pad.

In one embodiment, the high-speed cable comprises a conductor, an insulator, a shielding film, a drainage wire and a protective jacket, wherein the shielding film is coated outside the conductor, the insulator is arranged between the shielding film and the conductor, the drainage wire is arranged outside the shielding film, and the protective jacket is coated outside the shielding film and the drainage wire.

In one embodiment, the circuit board of the second plug connector is further provided with an MCU pin for connection with the data center device;

And/or the circuit board of the second plug connector is also provided with an LED.

In one embodiment, the second connector further comprises a fixing cage and a connector connected to the fixing cage, and the fixing cage is connected to the circuit board of the second connector.

In one embodiment, the first connector further comprises a housing, the circuit board of the first connector being disposed on the housing; the shell is used for being connected with the fixing cage or the optical module in a pluggable mode.

In one embodiment, the housing is provided with a plug slot for inserting or extracting the optical module or the fixing cage.

In one embodiment, the extension line for the optical module further comprises a pull ring, and the pull ring is fixed on the shell.

In the scheme, the extension line body is arranged, the transmission line can transmit signals and data, and the waterproof film is coated on the periphery of the transmission line, so that a waterproof effect can be achieved; the woven mesh can play a role in protecting and shielding transmission signals and data, and when the woven mesh is used, the second plug connector can be connected with the data center equipment immersed in cooling liquid, and the first plug connector can be connected with an optical module on the liquid level of the cooling liquid, so that the common optical module can be selectively used when the transmission of the signals and the data is ensured, the cost is saved, the common optical module can be effectively prevented from being in direct contact with the cooling liquid, and the common optical module is connected with the liquid cooling data center equipment.

Drawings

Fig. 1 is a plan view of an extension cord for an optical module according to an embodiment of the present utility model.

Fig. 2 is a left-side view of an extension cord for a module according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of an extension cord for a module according to an embodiment of the present utility model.

Fig. 4 is a sectional view of an extension cord body according to an embodiment of the present utility model.

Fig. 5 is a sectional view of a high-speed cable according to an embodiment of the present utility model.

Fig. 6 is a sectional view showing a structure of an extension cord for an optical module according to an embodiment of the present utility model.

Description of the reference numerals

10. An extension line for the optical module; 100. a first plug member; 110. a housing; 111. a plug slot; 200. a second plug member; 210. a second insulating tape; 220. a fixing cage; 230. a connector; 300. an extension line body; 310. a transmission line; 311. a high-speed cable; 3111. a conductor; 3112. an insulator; 3113. a shielding film; 3114. a drainage line; 3115. a protective jacket; 312. a low-speed cable; 320. a waterproof membrane; 330. a woven mesh; 400. MCU pins; 500. an LED; 600. and (5) a pull ring.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1, 2 and 5, an embodiment of the application relates to an extension cord 10 for an optical module, which includes a first connector 100, a second connector 200 and an extension cord body 300, wherein the extension cord body 300 is connected between the first connector 100 and the second connector 200. The first connector 100 is for connection with an optical module and the second connector 200 is for connection with data center equipment. The first connector 100 may be a male plug and the second connector 200 may be a female plug.

The extension line body 300 comprises a transmission line 310, a waterproof film 320 and a woven mesh 330, wherein the waterproof film 320 is coated on the periphery of the transmission line 310, and the woven mesh 330 is coated on the periphery of the waterproof film 320. The transmission line 310 is used for transmitting signals and data. The waterproof film 320 is coated on the periphery of the transmission line 310, and can play a waterproof role. The mesh 330 can protect and shield transmission signals and data.

When the optical connector is used, the second connector 200 can be connected with the data center equipment immersed in the cooling liquid, the first connector 100 can be connected with the optical module on the liquid level of the cooling liquid, the common optical module can be used selectively while signal and data transmission is ensured, the cost is saved, and the common optical module can be effectively prevented from being directly contacted with the cooling liquid and is connected with the liquid cooling data center equipment.

Specifically, the thickness of the waterproof film 320 and the thickness of the woven mesh 330 are not limited, and the thickness of the waterproof film 320 is 0.05mm and the thickness of the woven mesh 330 is 0.2mm, as an example.

An extension line 10 for an optical module according to an embodiment of the present application is described in detail below with reference to the drawings.

Referring to fig. 1, 2 and 4, according to some embodiments of the present application, the transmission line 310 optionally includes a high-speed cable 311 and a low-speed cable 312 insulated from the high-speed cable 311. The first connector 100 and the first connector 100 each include a circuit board electrically connected to the high-speed cable 311 and the low-speed cable 312.

Referring to fig. 1, 2 and 6, the circuit board of the first connector 100 includes a first bonding pad connected to the high-speed cable 311, the high-speed cable 311 is soldered on the first bonding pad, and a first insulating tape is disposed at a connection portion between the high-speed cable 311 and the first bonding pad. The circuit board of the second connector 200 includes a second bonding pad connected to the high-speed cable 311, the high-speed cable 311 is soldered on the second bonding pad, and a second insulating tape 210 is disposed at a connection position between the high-speed cable 311 and the second bonding pad.

The first and second insulating tapes 210 can play an insulating role. The first insulating tape 210 and the second insulating tape 210 have good insulation pressure resistance, flame retardance, weather resistance and other characteristics.

Illustratively, the material used for the first and second insulating tapes 210 is foamed polyethylene terephthalate (PET), and the air inside is filled with a large amount of air, so that the first and second insulating tapes 210 have a low dielectric constant.

By arranging the first insulating adhesive tape and the second insulating adhesive tape 210, the injection adhesive can be prevented from directly covering the high-speed signal differential signal pairs and welding spots on the circuit board of the first plug connector 100 and the circuit board of the second plug connector 200, thereby better ensuring the signal integrity of the high-speed cable 311 and the first welding pad and the high-speed cable 311 and the second welding pad.

Referring to fig. 1, 2, 4 and 5, according to some embodiments of the present application, the high-speed cable 311 includes a conductor 3111, an insulator 3112, a shielding film 3113, a drain wire 3114 and a protective jacket 3115, wherein the shielding film 3113 is wrapped around the conductor 3111. An insulator 3112 is provided between the shielding film 3113 and the conductor 3111, and a drain wire 3114 is provided outside the shielding film 3113. The protective sheath 3115 is wrapped around the shielding film 3113 and the drain wire 3114. The drain wire 3114 can drain induced or disturbance current to the outside, so that the spots of the whole shielding film 3113 are as equal as possible.

By wrapping the shielding film 3113 around the conductor 3111. An insulator 3112 is provided between the shielding film 3113 and the conductor 3111, and a drain wire 3114 is provided outside the shielding film 3113. The protective jacket 3115 is coated outside the shielding film 3113 and the drain wire 3114, so that the insulator 3112, the shielding film 3113, the drain wire 3114 and the protective jacket 3115 completely wrap the differential signal pair of the conductor 3111, and can achieve a sealing effect, so that the cooling liquid and the air cannot invade between the differential signal pair, thereby ensuring the integrity of signal transmission, and simultaneously meeting the application scenes of the air and the cooling liquid.

The shielding film 3113 is made of aluminum foil mylar, which is formed by attaching a metal aluminum foil as a base material to a polyester tape (generally PET PP or the like) after back-gluing, and thin aluminum foils of 7 μm and 9 μm are mostly used. The material used for the protective outer jacket 3115 is polyethylene terephthalate (PET).

Referring to fig. 1, 2 and 3, according to some embodiments of the present application, optionally, the circuit board on the second connector 200 is further provided with an MCU pin 400 for connection with data center equipment. The MCU pin 400 can monitor the voltage of the optical module in real time. The MCU pin 400 comprises two opposite sides, wherein one side is sequentially provided with VCC, MODPRSL, INTL, LPMODE, VCC, SCL, SDA, GND, GND; one side of the two is sequentially provided with VCC, MODPRSL, RESETL, INI TMOOE, GND, INI TMOOE and VCC, MODPRSL, GND.

The circuit board of the second connector 200 is also provided with an LED500. The monitoring function status of the time module in the MCU pin 400 may be displayed through the LED500.

Referring to fig. 1, 2 and 3, according to some embodiments of the present application, optionally, the second connector 200 further includes a fixing cage 220 and a connector 230 connected to the fixing cage 220, where the fixing cage 220 is connected to the circuit board of the second connector 200. The connector 230 may be of a known structure, and the connector 230 may be a signal transmission interface.

Referring to fig. 1, 2 and 3, according to some embodiments of the application, optionally, the first connector 100 further includes a housing 110, and the circuit board of the first connector 100 is disposed on the housing 110. The housing 110 is configured for pluggable connection with the retaining cage 220 or the light module. Specifically, the housing 110 is provided with a plugging slot 111 for plugging in or out the optical module or the fixing cage 220. The first connector 100 may be connected to the second connector 200 through the insertion groove 111, or may be connected to the optical module through the insertion groove 111.

Referring to fig. 1, 2 and 3, according to some embodiments of the present application, optionally, the extension cord 10 for an optical module further includes a pull ring 600 for facilitating insertion or extraction of the optical module or the fixing cage 220 into or from the insertion/extraction groove 111, where the pull ring 600 is fixed to the housing 110. By providing the pull ring 600, the optical module or the fixing cage 220 can be conveniently inserted into or pulled out of the insertion and extraction groove 111, and the assembly with the optical module or the fixing cage 220 is convenient, and the structure is simple.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. An extension cord for an optical module, comprising:

the first plug connector is used for being connected with the optical module;

The second plug connector is used for being connected with data center equipment;

the extension line body is connected between the first plug connector and the second plug connector, and comprises a transmission line, a waterproof film and a woven mesh, wherein the waterproof film is coated on the periphery of the transmission line, and the woven mesh is coated on the periphery of the waterproof film.

2. The extension cord for an optical module according to claim 1, wherein the transmission line includes a high-speed cable and a low-speed cable provided to be insulated from the high-speed cable; the first plug connector and the second plug connector both comprise circuit boards electrically connected with the high-speed cable and the low-speed cable.

3. The extension cord for an optical module according to claim 2, wherein the circuit board of the first connector includes a first pad connected to the high-speed cable, the high-speed cable is soldered to the first pad, and a first insulating tape is provided at a connection portion of the high-speed cable and the first pad.

4. The extension cord for an optical module according to claim 2, wherein the circuit board of the second connector includes a second bonding pad connected to the high-speed cable, the high-speed cable is soldered to the second bonding pad, and a second insulating tape is provided at a connection portion of the high-speed cable and the second bonding pad.

5. The extension cord for an optical module according to claim 2, wherein the high-speed cable comprises a conductor, an insulator, a shielding film, a drainage cord and a protective jacket, the shielding film is wrapped outside the conductor, the insulator is arranged between the shielding film and the conductor, the drainage cord is arranged outside the shielding film, and the protective jacket is wrapped outside the shielding film and the drainage cord.

6. The extension cord for an optical module according to claim 2, wherein the circuit board of the second connector is further provided with an MCU pin for connection with the data center device;

And/or the circuit board of the second plug connector is also provided with an LED.

7. The extension cord for an optical module according to claim 2, wherein the second connector further comprises a fixing cage and a connector connected to the fixing cage, the fixing cage being connected to the circuit board of the second connector.

8. The extension cord for an optical module according to claim 7, wherein said first connector further comprises a housing, said circuit board of said first connector being disposed on said housing; the shell is used for being connected with the fixing cage or the optical module in a pluggable mode.

9. The extension cord for an optical module according to claim 8, wherein the housing is provided with a plug groove for inserting or extracting the optical module or the fixing cage.

10. The extension cord for an optical module according to claim 9, further comprising a tab, wherein the tab is fixed to the housing.