CN116165751A - Active module - Google Patents

Abstract

The embodiment of the application discloses an active module, relates to the technical field of optical communication, and solves the problems that optical fiber coiling in an optical module is difficult and difficult to arrange. The active module comprises a shell and a conversion assembly, wherein the conversion assembly is fixed inside the shell and is used for mutually converting optical signals and electric signals, and the conversion assembly comprises an optical fiber used for transmitting the optical signals; the optical fiber winding device also comprises a fiber winding frame, wherein the fiber winding frame is arranged inside the shell, the fiber winding frame is provided with a fiber running groove, and the optical fiber is arranged in the fiber running groove in a penetrating way. The active module is used for converting between an electric signal and an optical signal.

Description

Active module

Technical Field

Embodiments of the present application relate to, but are not limited to, the field of optical communications, and in particular, to an active module.

Background

With the recent rapid development of optical communications and internet, the market demand for networks has increased, resulting in a rapid increase in traffic in the telecommunications backbone. To meet the market demand for high-rate data transmission, the transmission speed of optical modules is also rapidly increasing. The requirements of power consumption, functions, performance indexes and the like of the optical module are higher and higher, and more types of photoelectric solutions are emerging. The connection form between the optical device and the hardware circuit, and the internal structure and design form of the optical module are also more and more diversified.

In recent years, in optical modules with rates of 200G, 400G, 800G or more, a PAM4 modulation-based digital signal processing unit (digital signal processing, DSP) is becoming a hardware standard. In addition, large-size integrated packaged optical devices integrating transmission and reception of pigtails are also beginning to be cited in modules, placed on printed circuit boards (printed circuit board, PCB) by means of dedicated electrical connections. How to solve the complex fiber coiling path and the protection of the fiber becomes a urgent problem under the limited internal size space of the module.

Disclosure of Invention

The embodiment of the application provides an active module, which is favorable for fiber coiling and has reasonable layout.

The embodiment of the application provides an active module, which comprises a shell and a conversion assembly, wherein the conversion assembly is fixed inside the shell and is used for interconversion of optical signals and electric signals, and the conversion assembly comprises an optical fiber used for transmitting the optical signals; the optical fiber winding device also comprises a fiber winding frame, wherein the fiber winding frame is arranged inside the shell, the fiber winding frame is provided with a fiber running groove, and the optical fiber is arranged in the fiber running groove in a penetrating way.

The embodiment of the application provides an active module, the shell provides the protection for inside conversion components and a fine frame of dish, and can protect partial dust to promote inside conversion components's life, it has the fine groove of walking to open on the fine frame of dish, place the optic fibre in the fine groove of walking, walk the cell wall in fine groove and radially carry out good spacing to the optic fibre, can make optic fibre carry out the dish fine according to the mode of predetermineeing, avoid taking place to entangle with other devices, the optic fibre is placed in the trough simultaneously, the cell wall in fine groove of walking also plays the guard action to optic fibre, avoid optic fibre to be extruded by other parts, thereby ensured optical signal's transmission, also make the line of going of optic fibre more clean and tidy pleasing to the eye, compare in the scheme that does not set up a fine frame of dish in the correlation technique, the active module of this application, because the fine optic fibre route of dish of having offered a fine groove of walking is restricted, and protect optic fibre from extrusion.

In one possible implementation of the present application, the fiber trough is disposed along an edge of the fiber tray.

The active module that this application embodiment provided, in order to put into the fiber trough of walking as long as possible, make to walk fiber trough along the fine frame edge setting of dish for walk the length maximize in fiber trough, thereby conveniently carry out spacingly to longer optic fibre, will walk the middle part vacancy in fiber trough simultaneously and come out, be convenient for set up other structures.

In one possible implementation of the present application, the included angle of the slot wall at the corner of the fiber slot is an obtuse angle.

The embodiment of the application provides an active module, in order to prevent that the excessive bending of optic fibre from being broken, will walk the corner setting of fine groove to the obtuse angle for the turn of optic fibre is excessively more mild, thereby avoids being broken, also makes optic fibre bend radius grow simultaneously, thereby reduces bending loss, has guaranteed the transmission of optical signal.

In one possible implementation manner of the present application, the fiber-running groove is provided with a plurality of anti-drop strips along the line, two ends of each anti-drop strip are respectively fixed with groove walls at two sides of the fiber-running groove to form a radial closed cavity, and the optical fiber passes through the cavity.

The active module that this embodiment provided, in order to avoid optic fibre to deviate from walking fine groove, walk fine groove along setting up anticreep strip, form the vestibule between anticreep strip and the cell wall, the vestibule can be radially go on spacing comprehensively to optic fibre to avoid optic fibre to slide out of and walk fine groove, further promoted the fine effect of dish fine frame.

In one possible implementation manner of the fiber winding device, a fiber penetrating notch is formed in the fiber winding frame corresponding to the fiber penetrating notch, one end of the fiber penetrating notch is fixed with the groove wall of the fiber running groove, and the other end extends and bends to be in a hook-shaped structure towards the groove bottom direction of the fiber running groove.

The active module that this embodiment provided, in order to realize carrying out fiber penetration under the circumstances of not cutting off the device that optic fibre tip links, the dish fine frame corresponds anticreep strip department and opens has fiber penetration breach, fiber penetration breach department sets up hooked anticreep strip, when penetrating fine, can put into the optic fibre through fiber penetration breach and walk fine groove, and need not to wear fine with the tip of connecting device, thereby avoided the tip device too big, can't wear fine and need cut the problem of optic fibre, simultaneously because hook-shaped structure and walk fine groove can carry out spacingly to optic fibre from different radial directions, also can guarantee that optic fibre is not deviate from going fine groove.

In one possible implementation manner of the present application, the conversion assembly includes a photoelectric device group, a limiting groove is formed in a position of the fiber tray frame corresponding to the photoelectric device group, the photoelectric device group is located in the limiting groove, and a contour of the photoelectric device group is matched with a contour of the limiting groove.

The active module that this embodiment provided, in order to fix the fine frame of dish, offer the spacing groove on the fine frame of dish to cooperate with the photoelectric device group in the conversion component, thereby carry out spacingly to the fine frame of dish through the device in the photoelectric device group, avoid the fine frame of dish to take place to slide in the radial of spacing groove.

In one possible implementation of the present application, the fiber frame further includes a reinforcing rib, and two ends of the reinforcing rib are fixed with the groove wall of the limiting groove.

The embodiment of the application provides an active module, in order to increase the structural strength of a fiber coiling frame, set up the stiffening rib in the spacing groove, the stiffening rib supports the cell wall of spacing groove, corresponding avoided the cell wall because of receiving external force to take place bending deformation, and then influence the problem of the dish fiber path of optic fibre.

In one possible implementation of the present application, the fiber frame includes a regular section, and the fiber slot of the regular section is formed on a side of the fiber frame away from the conversion component.

The active module that this application embodiment provided, for being convenient for coil fine, at the fine frame of dish of conventional section, walk fine groove and offer in the fine frame of dish keep away from conversion component one side, can more audio-visual dish fine, also can observe the state of optic fibre constantly when installing the fine frame of dish, avoid squeezing optic fibre.

In one possible implementation manner of the device, the conventional section is connected with an avoidance section, the avoidance section and the conventional section are arranged in a staggered manner, the avoidance section is far away from the conversion assembly relative to the conventional section, and a fiber trough of the avoidance section is formed in one side, close to the conversion assembly, of the fiber rack, so as to adapt to the contours of the shell and the conversion assembly.

The embodiment of the application provides an active module, for the indent part of adaptation shell and the conversion component of correspondence department, set up with the section of dodging of conventional section staggered floor, dodge the section and be higher than the conversion component to can not produce the influence to the conversion component, dodge the fiber trough of section and the relative setting of fiber trough of conventional section, make optic fibre more natural, smoother with the transition of dodging the department of section at conventional section.

In one possible implementation of the present application, a positioning column is provided on one side of the fiber coiling frame, which is close to the conversion assembly, and the conversion assembly is provided with a positioning groove corresponding to the position of the positioning column, and the positioning column is matched with the positioning groove.

In order to achieve fixation of the fiber coiling frame, the active module provided by the embodiment of the application is provided with the positioning column on the fiber coiling frame, and the positioning column is matched with the positioning groove of the conversion assembly, so that the fiber coiling frame and the conversion assembly are relatively fixed, and disturbance of displacement of the fiber coiling frame and the conversion assembly to an optical fiber is avoided.

In one possible implementation of the present application, the conversion assembly includes a motherboard and a daughter board, both the optoelectronic device set and the daughter board are electrically coupled to the motherboard, and the optoelectronic device set is fixed to the motherboard.

In order to facilitate the layout of each element in the conversion assembly, the active module provided by the embodiment of the application divides the circuit board into the daughter board and the main board, the larger devices of the photoelectric device group are all arranged on the main board, the height difference between the adjacent elements is balanced, the whole is more coordinated, and the limited space in the shell can be fully utilized.

In one possible implementation manner of the present application, an elastic element is fixed inside the housing corresponding to the position of the fiber holder, and the elastic element abuts against one side of the fiber holder away from the conversion component.

The active module that this application embodiment provided sets up the elastic component in the shell for the fixation of the fine frame of dish of being convenient for, and the fine frame of dish can be compressed tightly on conversion component to the elasticity of elastic component to avoid the fine frame of dish to take place relative displacement with conversion component, and then influence the fine problem of optic fibre dish.

Drawings

Fig. 1 is an exploded view of an active module provided in an embodiment of the present application;

fig. 2 is a first overall view of an active module according to an embodiment of the present application;

fig. 3 is a second overall view of the active module according to the embodiment of the present application;

fig. 4 is a schematic diagram of a mounting structure of an active module according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of an upper cover structure of an active module according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a conversion component of an active module according to an embodiment of the present application;

fig. 7 is a schematic diagram of a fiber holder structure of an active module according to an embodiment of the present application;

fig. 8 is a second schematic diagram of a fiber holder structure of an active module according to an embodiment of the present application;

fig. 9 is a schematic diagram III of a fiber rack structure of an active module according to an embodiment of the present application;

fig. 10 is a schematic diagram of a motherboard structure of an active module according to an embodiment of the present application;

fig. 11 is a schematic view of a sub-board structure of an active module according to an embodiment of the present application.

Reference numerals:

1-a housing; 11-a shoe; 111-through holes; 112-a first adapter groove; 113-a first positioning boss; 114-a second positioning boss; 115-a first support boss; 116-a second support boss; 12-an upper cover; 121-a threaded hole; 122-heat sink fins; 123-a second mating groove; a 2-conversion assembly; 21-an optical fiber; 22-optical port adapter; 23-photovoltaic device group; 231-a signal processor; 232-an optical device; 233-a laser; 24-a main board; 241-electrical interface; 242-a first detent; 243-positioning a boss notch; 244-positioning grooves; 25-daughter boards; 251-avoiding a gap; 252-second locating notch; 3-coiling a fiber frame; 31-a fiber feeding groove; 32-disc fiber bevel; 33-anti-falling strips; 34-bore; 35-a fiber penetration notch; 36-a limit groove; 361-a first slot; 362-a second tank; 363-third tank; 37-reinforcing ribs; 371-first ribs; 372-a second rib; 3721-avoiding grooves; 38-positioning columns; 4-elastic members; 5-a thermal pad; 6-a screw; 7-pull ring.

Detailed Description

For the purposes, technical solutions and advantages of the embodiments of the present application to be more apparent, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are illustrative of the present application, but are not intended to limit the scope of the present application.

In the present embodiments, the terms "first," "second," and the like 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, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, in the embodiments of the present application, the terms "upper," "lower," "left," and "right," etc., are defined with respect to the orientation in which the components in the drawings are schematically disposed, and it should be understood that these directional terms are relative terms, which are used for descriptive and clarity with respect to each other, and which may vary accordingly with respect to the orientation in which the components in the drawings are disposed.

In the embodiments herein, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral body; can be directly connected or indirectly connected through an intermediate medium.

In the present embodiments, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The embodiment of the application provides an active module, which is used for converting between an optical signal and a telecommunication in an optical communication system, can receive the optical signal, convert the optical signal into an electric signal and output the electric signal, and also can input the electric signal and convert the electric signal into an optical signal and output the optical signal, and is commonly used for equipment such as a switch, an optical fiber router and the like.

Referring to fig. 1, an active module provided in this embodiment of the present application includes a housing 1 and a conversion component 2, where the conversion component 2 is fixed inside the housing 1 and is used for mutual conversion between optical signals and electrical signals, and the housing 1 provides protection for the internal conversion component 2 and has a certain dustproof function, so as to improve the service life of the internal conversion component 2.

It should be noted that, the housing 1 may have various forms, and any housing structure convenient for disassembly and assembly is within the protection scope of the present application, for example: a columnar shell with an opening end, a mutually buckled spliced shell and the like. Referring to fig. 2 and 3, in an embodiment of the present application, the housing includes a bottom support 11 and an upper cover 12, where the bottom support 11 and the upper cover 12 are close to each other and have inner cavities on one side, and the two sides can be fastened together to form a long column structure after fastening, and openings are left at two ends to facilitate communication connection between the conversion assembly 2 and the outside.

Wherein, upper cover 12 and collet 11 after the lock can be fixed through the joint form, also can adopt the mode of mounting to fasten, refer to fig. 2 and 4, the example adopts screw 6 to fasten, it has three through-hole 111 to open on the collet 11, the through-hole 111 is located the one end counter bore setting in collet 11 outside, the nut of placing screw 6 is convenient for, three through-hole 111 are isosceles triangle and arrange, upper cover 12 corresponds the through-hole 111 position and opens corresponding screw hole 121, screw 6 passes through-hole 111 and with screw hole 121 threaded connection, thereby lock collet 11 and upper cover 12, screw 6 connects can conveniently dismantle shell 1, be convenient for maintain conversion component 2, simultaneously, threaded connection has simple to operate, the advantage that joint strength is big.

Referring to fig. 1 and 7, a conversion module 2 provided in the embodiments of the present application includes an optical fiber 21 for transmitting an optical signal, a fiber coiling frame 3 is disposed in a housing 1, a fiber running groove 31 is formed in the fiber coiling frame 3, and the optical fiber 21 is disposed in the fiber running groove 31 in a penetrating manner. The cell wall of walk fine groove 31 radially carries out good spacing to optic fibre 21, can make optic fibre 21 carry out the dish fine according to the mode of predetermineeing, avoid taking place to tangle with other devices, optic fibre 21 is placed in the walk the groove simultaneously, walk the cell wall of fine groove 31 and also play the guard action to optic fibre 21, avoid optic fibre 21 to be extruded by other parts, thereby ensured the transmission of optical signal, also make optic fibre 21 walk the line more clean and tidy pleasing to the eye, compare in the scheme of not setting up dish fine frame 3 among the correlation technique, the active module of this application, owing to having set up the dish fine frame 3 of walking fine groove 31, can be fine restrict optic fibre 21 route, and protect optic fibre 21 from extrusion.

It should be noted that, the cross section of the fiber slot 31 may have various shapes, such as a square shape, a U-shape, an arc shape, etc., referring to fig. 7, 8, and 9, in an embodiment of the present application, the cross section of the fiber slot 31 adopts a square shape, so that a plurality of optical fibers 21 may be simultaneously accommodated, and specifically, the conversion assembly 2 includes two optical fibers 21.

In order to put the optical fiber 21 as long as possible into the fiber feeding groove 31, referring to fig. 7, 8 and 9, in an embodiment of the present application, the fiber feeding groove 31 is disposed along the edge of the fiber coiling frame 3, so that the length of the fiber feeding groove 31 is maximized, thereby conveniently limiting the longer optical fiber 21, and simultaneously leaving the middle of the fiber feeding groove 31 vacant, so as to facilitate setting other structures. Specifically, the fiber running groove 31 is integrally in a U shape, and two ends of the fiber running groove 31 correspond to two ends of the optical fiber 21 respectively, so that the optical fiber 21 is connected with a corresponding device.

Referring to fig. 6, one end of the optical fiber 21 is connected with an optical port adapter 22 for optical communication with the outside, specifically referring to fig. 4 and 5, two optical fibers 21 are connected with the optical port adapter 22, the two optical port adapters 22 are arranged in parallel, a first adapting groove 112 and a second adapting groove 123 are respectively arranged at positions of the bottom support 11 and the upper cover 12 corresponding to the optical port adapter 22, and the optical port adapters 22 are clamped in the adapting grooves.

In order to prevent the optical fiber 21 from being broken by excessive bending, referring to fig. 7, 8 and 9, in an embodiment of the present application, the included angle of the groove wall at the corner of the fiber running groove 31 is an obtuse angle, so that the turn of the optical fiber 21 is excessively gentle, thereby avoiding being broken, and meanwhile, the bending radius of the optical fiber 21 is increased, thereby reducing bending loss and ensuring the transmission of optical signals.

It should be noted that, the corner of the fiber slot 31 may have various structures, for example: inferior arc transition, multi-angle continuous transition, etc., referring to fig. 7, 8 and 9, in one embodiment of the present application, the corner groove wall of the fiber running groove 31 has two continuous obtuse angle turns, forming a chamfer-like fiber-coiling bevel 32, thereby making the turn transition of the optical fiber 21 more gradual.

In order to avoid the optical fiber 21 from falling out of the fiber feeding groove 31, referring to fig. 7, in an embodiment of the present application, the fiber feeding groove 31 is provided with a plurality of anti-falling strips 33 along the line, two ends of the anti-falling strips 33 are respectively fixed with groove walls at two sides of the fiber feeding groove to form a radial closed cavity 34, and the optical fiber 21 passes through the cavity 34. The cavity 34 can fully limit the optical fiber 21 in the radial direction, so that the optical fiber 21 is prevented from sliding out of the fiber groove 31, and the fiber coiling effect of the fiber coiling frame 3 is further improved.

In order to realize fiber penetration without cutting off the device connected to the end of the optical fiber 21, referring to fig. 8 and 9, in one embodiment of the present application, a fiber penetration notch 35 is formed at the fiber tray 3 corresponding to the fiber penetration notch 33, one end of the fiber penetration notch 35 of the fiber penetration notch 33 is fixed to the groove wall of the fiber running groove 31, and the other end extends and is bent towards the groove bottom direction of the fiber running groove 31 to form a hook structure. When the optical fiber 21 is penetrated, the optical fiber 21 can be placed into the fiber running groove 31 through the fiber penetrating notch 35 without penetrating the optical fiber by the end part of the connecting device, so that the problems that the end part device is too large and the optical fiber 21 is required to be cut off because the optical fiber cannot be penetrated are avoided, and meanwhile, the optical fiber 21 can be limited from different radial directions due to the hook-shaped structure and the fiber running groove 31, and the optical fiber 21 can be prevented from falling out of the fiber running groove 31.

In order to fix the fiber holder 3, referring to fig. 1 and 6, in an embodiment of the present application, the conversion assembly 2 includes a photoelectric device group 23, a limiting slot 36 is formed at a position of the fiber holder 3 corresponding to the photoelectric device group 23, the photoelectric device group 23 is located in the limiting slot 36, and a contour of the photoelectric device group 23 matches with a contour of the limiting slot 36. Therefore, the fiber coiling frame 3 is limited by the devices in the photoelectric device group 23, and the fiber coiling frame 3 is prevented from sliding in the radial direction of the limiting groove 36.

Referring to fig. 6, the optoelectronic device group 23 includes a signal processor 231, specifically, a digital signal processing (Digital Signal Processing, DSP) device, the optoelectronic device group 23 further includes an optical device 232 and a laser 233, one end of the optical fiber 21 away from the optical port adapter 22 is connected to an outlet port of the optical device 232, and the laser 233, the optical device 232, and the signal processor 231 are sequentially arranged along a direction away from the optical port adapter 22.

In order to increase the structural strength of the fiber frame 3, referring to fig. 7, 8 and 9, in one embodiment of the present application, the fiber frame 3 further includes a reinforcing rib 37, and both ends of the reinforcing rib 37 are fixed to the groove walls of the limiting groove 36. The reinforcing rib 37 supports the groove wall of the limit groove 36, and accordingly the problem that the groove wall is bent and deformed by external force to influence the fiber coiling path of the optical fiber 21 is avoided.

It should be noted that, the reinforcing ribs 37 may be disposed in various manners, such as a cross arrangement, a parallel arrangement, and the like, referring to fig. 7, 8, and 9, in an embodiment of the present application, the fiber holder 3 includes two reinforcing ribs 37 disposed in parallel, namely, a first rib 371 and a second rib 372, the first rib 371 is disposed between the signal processor 231 and the optical device 232, and separates the limiting slot 36 into a first slot 361 and a second slot 362, the first slot 361 corresponds to the signal processor 231, the second slot 362 corresponds to the optical device 232, the second rib 372 is disposed between the optical device 232 and the laser 233, and separates the limiting slot 36 into a second slot 362 and a third slot 363, and the third slot 363 corresponds to the laser 233. The second rib 372 is provided with a avoiding groove 3721 corresponding to the outlet of the optical device 232, and is used for avoiding the outlet of the optical device 232.

To facilitate fiber winding, referring to fig. 7, 8 and 9, in one embodiment of the present application, the fiber winding frame 3 includes a conventional section, and a fiber feeding groove 31 of the conventional section is formed on a side of the fiber winding frame 3 remote from the conversion assembly 2. The optical fiber 21 can be more intuitively coiled, and the state of the optical fiber 21 can be observed at any time when the optical fiber coiling frame 3 is installed, so that the optical fiber 21 is prevented from being extruded. Correspondingly, the anti-falling strip 33 and the fiber penetration notch 35 are arranged in the conventional section.

Referring to fig. 2 and 3, it should be noted that the middle portions of two sides of the housing 1 have inward depressions, and the depressions of the housing 1 correspond to the optical devices 232 therein, and because the fiber-coiling frame 3 is sleeved on the optical devices 232 through the second groove 362, the corresponding positions of the fiber-coiling frame 3 also need to be provided with corresponding avoiding structures.

For the indent portion of adaptation shell 1 and the optical device 232 of corresponding department, refer to fig. 7, 8 and 9, in an embodiment of this application, the conventional section is connected with and dodges the section, dodges section and conventional section staggered arrangement, and dodges the section and keep away from conversion subassembly 2 relative to conventional section, dodges the fine groove 31 of going of section and offer in a fine frame 3 of dish and be close to conversion subassembly 2 one side to adaptation shell 1 and conversion subassembly 2 profile. The avoidance section is higher than the conversion assembly 2, so that the conversion assembly 2 cannot be influenced, and the fiber feeding groove 31 of the avoidance section and the fiber feeding groove 31 of the conventional section are arranged oppositely, so that the transition of the optical fiber 21 at the positions of the conventional section and the avoidance section is more natural and smoother.

To facilitate layout of the elements in the conversion assembly 2, referring to fig. 1 and 7, in an embodiment of the present application, the conversion assembly 2 includes a motherboard 24 and a daughter board 25, where each of the optoelectronic device group 23 and the daughter board 25 is electrically coupled to the motherboard 24, and the optoelectronic device group 23 is fixed to the motherboard 24. The devices in the optoelectronic device group 23 are generally larger in size, the projection area of the devices on the circuit board is generally larger than 150 square millimeters, the larger devices are all arranged on the main board 24, the height difference between adjacent elements is balanced, the whole is more coordinated, and the limited space in the shell 1 can be fully utilized.

The main board 24 and the daughter board 25 are both circuit boards, referring to fig. 11, the main board 24 is rectangular, and the optoelectronic device group 23, that is, the signal processor 231, the optical device 232, and the laser 233, 232 are fixed by inserting, welding, and the like, and are electrically connected to the main board 24. The size of the daughter board 25 is smaller than that of the main board 24, one side of the daughter board 25 is provided with an avoidance gap 251 for installing the laser 233, related components for driving the device to work are arranged on the daughter board 25, the daughter board 25 and the main board 24 can be electrically connected in a wire arrangement mode and the like, the daughter board 25 is arranged between the optical device 232 and the optical port adapter 22, and the optical fiber 21 passes through the space between the daughter board 25 and the main board 24.

In addition, referring to fig. 10, the main board 24 further includes an electrical interface 241, and the electrical interface 241 is integrated on the main board 24 in the form of a gold finger (connecting finger, CF), specifically, the gold finger is disposed at an end of the main board 24 away from the optical port adapter 22, and the gold finger portion extends out of the housing 1 so as to be connected with a corresponding device.

In order to realize the positioning of the main board 24 in the shell, referring to fig. 4 and 10, in an embodiment of the present application, the main board 24 is fixed on the collet 11, specifically, the main board 24 includes a first positioning notch 242, the first positioning notch 242 is close to the setting of golden finger, the first positioning notch 242 has two, the two sides of the main board 24 are symmetrically distributed, the first positioning notch 242 is a U-shaped notch, the collet 11 is integrally provided with a first positioning boss 113 corresponding to the position of the first positioning notch 242, the first positioning boss 113 can be clamped in the first positioning notch 242, thereby avoiding the main board 24 from sliding relative to the collet 11 along the self extending direction, and it is required to be noted that two of the three through holes 111 are correspondingly opened on the two first positioning bosses 113, thereby increasing the length of the through hole 111 and improving the strength of the threaded connection.

In addition, referring to fig. 4 and 11, in an embodiment of the present application, the daughter board 25 is also fixed on the bottom support 11, specifically, a second positioning notch 252 is opened at a side of the daughter board 25 away from the avoidance notch 251, the second positioning notch 252 is arc-shaped, a second positioning boss 114 is integrally provided at a position of the bottom support 11 corresponding to the second positioning notch 252, the second positioning boss 114 is matched with the second positioning notch 252, a first supporting boss 115 is integrally provided inside the bottom support 11, the first supporting boss 115 is provided with two symmetrical arrangement, the daughter board 25 is placed on the first supporting boss 115, the first supporting boss 115 can lift the daughter board 25 by a certain height, a certain heat dissipation and ventilation space is left between the daughter board 25 and the main board 24, and the daughter board 25 can be limited like the second positioning boss 114, so as to avoid the daughter board 25 sliding along the self extending direction relative to the bottom support 11.

It should be noted that, in order to limit the sub-board 25 by the second positioning boss 114 passing through the main board 24, referring to fig. 10, in an embodiment of the present application, a positioning boss notch 243 is disposed at a position of the main board 24 corresponding to the second positioning boss 114, and the second positioning boss 114 is also matched with the positioning boss notch 243, so as to further improve the limiting effect of the base 11 on the main board 24.

In order to facilitate heat dissipation of the motherboard 24, referring to fig. 4, in an embodiment of the present application, the four corners of the motherboard 24 in the bottom bracket 11 are respectively provided with a second supporting boss 116, and the motherboard 24 is placed in the second supporting bosses 116, so that a certain space is left between the back surface of the motherboard 24 and the bottom bracket 11, which is convenient for heat dissipation, and meanwhile, a short circuit of welding spots on the back surface of the motherboard 24 can be avoided.

In order to realize the fixation of the fiber coiling frame 3, referring to fig. 7, 8 and 9, in an embodiment of the present application, a positioning column 38 is disposed on one side of the fiber coiling frame 3 close to the conversion component 2, referring to fig. 10, a positioning groove 244 is disposed at a position of the conversion component 2 corresponding to the positioning column 38, specifically, a positioning groove 244 is disposed on the main board 24 of the conversion component 2, and the positioning column 38 is matched with the positioning groove 244, so that the fiber coiling frame 3 and the conversion component 2 are relatively fixed, and disturbance of displacement of the two on the optical fiber 21 is avoided.

The shape of the positioning columns 38 may be various, for example, square, round, oval, etc., the number and positions of the positioning columns 38 may also be various layout manners, any layout capable of limiting the radial sliding of the fiber coiling frame 3 relative to the main board 24 is within the protection scope of the application, referring to fig. 7, 8, 9 and 10, in one embodiment of the application, the two positioning columns 38 are symmetrically distributed on two sides of the fiber coiling frame 3, and the positioning columns 38 have corresponding chamfer sizes corresponding to the recess of the housing 1, the two positioning grooves 244 are formed on two sides of the main board 24, and the positioning grooves 244 have a certain length, so that the positioning columns 38 can slide along the length direction of the main board 24 in the positioning grooves 244, and a certain adjusting space is reserved, so as to avoid the situation that the fiber coiling frame 3 is difficult to be matched with the positioning grooves 244 for adapting to the photoelectric device group 23 during installation.

In order to facilitate the fixation of the fiber winding frame 3, referring to fig. 5, in an embodiment of the present application, an elastic member 4 is fixed inside the housing 1 corresponding to the fiber winding frame 3, the specific elastic member 4 is a reed, and is fixed inside the upper cover 12, and the elastic member 4 abuts against one side of the fiber winding frame 3 away from the conversion component 2. The elastic force of the elastic piece 4 can compress the fiber coiling frame 3 on the conversion component 2, so that the relative displacement between the fiber coiling frame 3 and the conversion component 2 is avoided, and the fiber coiling of the optical fiber 21 is further influenced.

In addition, in order to facilitate heat dissipation of each device in the optoelectronic device group 23, referring to fig. 5, in an embodiment of the present application, the positions of the upper cover 12 corresponding to the signal processor 231, the optical device 232, and the laser 233 are all fixed with the heat conducting pad 5, the specific heat conducting pad 5 may be made of heat conducting silica gel, heat conducting ceramic, etc., the heat conducting pad 5 is attached to the upper surface of each element, so that heat generated by the element can be quickly transferred to the upper cover 12, and dissipated through the housing 1, and in addition, the heat dissipation fins 122 are further provided outside the upper cover 12, so that heat dissipation efficiency can be improved.

For facilitating the plugging of the active module of the present application, referring to fig. 1, 2 and 3, in an embodiment of the present application, a pull ring 7 is connected to one end of the collet 11 close to the port adapter 22, and two sides of the pull ring 7 extend to the recess of the housing 1 and cooperate with the recess, so that a user pulls the pull ring 7 to separate the module from a corresponding interface conveniently.

The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments. The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims (12)

1. An active module, comprising:

a housing;

the conversion component is fixed inside the shell and is used for interconverting optical signals and electric signals, and the conversion component comprises an optical fiber used for transmitting the optical signals;

the fiber coiling frame is arranged inside the shell, a fiber running groove is formed in the fiber coiling frame, and the optical fiber penetrates through the fiber running groove.

2. The active module of claim 1, wherein the fiber routing slot is disposed along an edge of the tray.

3. The active module of claim 1, wherein the included angle of the slot walls at the corners of the fiber-running slot is an obtuse angle.

4. The active module according to claim 1, wherein the fiber routing groove is provided with a plurality of anti-drop strips along the line, two ends of the anti-drop strips are respectively fixed with groove walls at two sides of the fiber routing groove to form a radial closed cavity, and the optical fiber passes through the cavity.

5. The active module according to claim 4, wherein a fiber penetration gap is formed at the fiber coiling frame corresponding to the fiber penetration gap, one end of the fiber penetration gap is fixed with the groove wall of the fiber running groove, and the other end extends and is bent towards the groove bottom direction of the fiber running groove to form a hook-shaped structure.

6. The active module of claim 1, wherein the conversion assembly comprises a photovoltaic device group, the fiber tray has a limiting groove corresponding to the photovoltaic device group, the photovoltaic device group is located in the limiting groove, and the photovoltaic device group profile is matched with the limiting groove profile.

7. The active module of claim 6, wherein the fiber frame further comprises a reinforcing rib, both ends of the reinforcing rib being fixed with the groove wall of the limit groove.

8. The active module of claim 1, wherein the fiber holder comprises a conventional section, and the fiber trough of the conventional section is provided on a side of the fiber holder remote from the conversion assembly.

9. The active module of claim 8, wherein the conventional section is connected with an avoidance section, the avoidance section is staggered with the conventional section, the avoidance section is far away from the conversion assembly relative to the conventional section, and a fiber trough of the avoidance section is arranged on one side of the fiber tray close to the conversion assembly so as to adapt to the contours of the housing and the conversion assembly.

10. The active module of claim 1, wherein a positioning column is disposed on a side of the fiber winding frame near the conversion component, a positioning groove is disposed on the conversion component corresponding to the positioning column, and the positioning column is matched with the positioning groove.

11. The active module of claim 6, wherein the conversion assembly comprises a motherboard and a daughter board, the optoelectronic device package and the daughter board are each electrically coupled to the motherboard, and the optoelectronic device package is secured to the motherboard.

12. The active module of claim 1, wherein an elastic member is fixed in the housing corresponding to the position of the fiber rack, and the elastic member abuts against one side of the fiber rack away from the conversion component.

Images