CN115576059A - Optical module and optical communication device - Google Patents

Abstract

The embodiment of the application discloses optical module and optical communication device includes: the optical interface module comprises a shell component, an optical interface component, an electrical interface, a light source, a circuit board and a pull ring; the electrical interface is electrically connected with the circuit board, and the electrical interface is configured to provide electrical energy to the light source; the light source is coupled with the optical interface assembly; the pull ring is arranged at one end of the shell assembly, and the optical interface assembly is arranged at one end, far away from the pull ring, of the shell assembly in a floating mode. The optical module and the optical communication device provided by the embodiment of the application have the advantage of high plugging precision of the optical interface.

Description

Optical module and optical communication device

Technical Field

The present application relates to the field of optical communications, and in particular, to an optical module and an optical communication apparatus.

Background

The optical module is an optical-electrical signal interface device which is very important in optical fiber communication.

One end of the traditional optical module is used as an optical interface to be connected with an external optical fiber, and the other end of the traditional optical module is used as an electrical interface to be connected with external communication equipment. The optical module can convert optical signals and electric signals. The traditional optical module is divided into three parts, namely a front end, a middle end and a rear end. Wherein the front end comprises a pull ring assembly and an optical interface for locking and unlocking the device, the optical interface facing the front end; the middle end comprises functional components such as a laser chip, a receiver chip, a wave combining and/or distributing component and the like; the back end comprises an electrical interface for interconnecting electrical signals with the device; the front end of the pull ring component is an operation end for plugging and butting the optical module and the equipment, and the operation end is exposed outside the panel of the equipment after plugging and unplugging.

In a communication docking system, the requirement of optical signal docking accuracy is far higher than the electrical signal docking accuracy. In the process of plugging and unplugging the traditional optical module, an electrical interface is firstly butted, an optical interface with better precision requirement is arranged in additional operation for secondary butt joint, and the optical interface is fixed and can not be adjusted, so that the coupling precision of the optical interface and equipment is often too low.

Disclosure of Invention

In view of the above, it is desirable to provide an optical module and an optical communication apparatus to solve the problem of the insertion and extraction accuracy of the optical interface. .

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

an optical module, comprising: the optical interface module comprises a shell component, an optical interface component, an electrical interface, a light source, a circuit board and a pull ring;

the electrical interface is electrically connected with the circuit board, and the electrical interface is configured to provide electrical energy to the light source;

the light source is coupled with the optical interface assembly;

the pull ring is arranged at one end of the shell assembly, and the optical interface assembly is arranged at one end, far away from the pull ring, of the shell assembly in a floating mode.

Furthermore, the optical interface component comprises a shell which is through from front to back, an elastic structure and a plug core which are arranged in the shell, and the shell is fixed at one end of the shell component, which is far away from the pull ring;

the ferrule is capable of compressing the resilient structure to achieve resilient float relative to the housing.

Further, the optical interface assembly comprises a backseat and a base;

the backseat can be dismantled and set up the rear end of casing, the base sets up the lock pin is close to an distolateral side of elastic construction, elastic construction's both ends respectively with the backseat with the base is contradicted and is connected.

Further, the housing includes a first interior cavity, a second interior cavity, and a step disposed within the housing;

the lock pin comprises a front end part, a rear end part and a guide structure, the rear end part is arranged in the second inner cavity and abutted against the step, the front end part penetrates through the first inner cavity and protrudes out of the second inner cavity to be far away from the end face of the step, and the guide structure is used for assisting the insertion and guide of the front end part.

Further, the electrical interface is disposed at an end of the housing assembly remote from the pull ring.

Further, the electrical interface is disposed at an end of the housing assembly proximate the pull ring.

Further, the electric interface is a gold finger integrally formed at one end of the circuit board; or the like, or, alternatively,

the electric interface is a contact pin, and is fixedly arranged in the shell assembly and electrically connected with the circuit board through a flexible soft belt.

Further, the electrical interface comprises a fixed seat and a floating piece, the fixed seat is fixed relative to the circuit board, the floating piece is movably arranged on the fixed seat, the floating piece is electrically connected with the circuit board through a flexible soft belt, and the floating piece can float relative to the circuit board; the floating piece is used for supplying power to the light source.

Further, the electrical interface includes the elastic component, the floating component inserts and establishes in the fixing base, the elastic component is arranged the floating component with between the fixing base, the terminal surface of floating component is scalable for the fixing base.

An optical communication device for the optical module includes an optical connector and an electrical connection portion; the optical connector is coupled with the optical interface assembly; the electrical connection portion is detachably connected with the electrical interface.

Further, the optical communication device comprises a card cage, and a card slot matched with the brake block is formed in the card cage.

Further, the optical communication device comprises a socket, the socket comprises an optical socket cavity and an electrical socket cavity which are arranged side by side, and the optical connector is inserted into the optical socket cavity to be connected with the optical interface component; the electric connection part is a metal elastic sheet and is arranged in the electric socket cavity to be connected with the electric interface in an inserting mode.

The optical module and the optical communication device of the embodiment of the application are provided with the shell assembly, the optical interface assembly, the electrical interface, the light source, the circuit board and the pull ring; the pull ring is arranged at one end of the shell assembly, and the optical interface assembly is arranged at one end of the shell assembly far away from the pull ring; the optical interface component is arranged at one end of the shell component far away from the pull ring and can be in butt joint with the optical communication device at the first time, so that the influence of secondary plugging on the optical signal coupling precision of the optical interface component is avoided. The optical interface assembly is arranged in a floating mode, so that when the optical module is inserted into the optical communication device, the precision error formed by multiple times of insertion can be released through the floating of the optical interface assembly, the coupling of the optical interface assembly and the optical connector achieves the best effect, and finally the coupling precision is high.

Drawings

Fig. 1 is a schematic structural diagram of an optical module according to an embodiment of the present application;

FIG. 2 is an exploded view of the light module shown in FIG. 1;

fig. 3 is a structural view of the light module shown in fig. 1 from another view angle;

FIG. 4 is a schematic structural view of a component housing;

FIG. 5 is a cross-sectional schematic view of a component housing;

FIG. 6 is one embodiment of the optical and electrical interfaces of FIG. 2;

FIG. 7 is a side view of FIG. 6;

FIG. 8 is another embodiment of the optical and electrical interfaces of FIG. 2;

FIG. 9 is a side view of FIG. 8;

fig. 10 is a schematic structural diagram of an optical module according to another embodiment of the present application;

fig. 11 is an exploded view of the light module shown in fig. 10, with the circuit board omitted;

fig. 12 is a structural view of the light module shown in fig. 10 from another view angle;

fig. 13 is an assembly view of an optical module and an optical communication apparatus according to still another embodiment of the present application, in which a top cover of a housing assembly is omitted;

fig. 14 is a plan view of the optical module shown in fig. 13;

FIG. 15 is one embodiment of an electrical interface;

FIG. 16 is a schematic diagram of the electrical interface shown in FIG. 15 from another perspective;

FIG. 17 isbase:Sub>A cross-sectional view A-A of FIG. 16;

fig. 18 is an assembly view of the optical module and the optical communication device shown in fig. 1;

FIG. 19 is a schematic view of a component socket;

fig. 20 is a schematic structural view of the socket shown in fig. 18 from another perspective.

Fig. 21 is an assembly view of a related art optical module.

Detailed Description

It should be noted that, in the case of conflict, the technical features in the examples and examples of the present application may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the present application and should not be construed as an improper limitation of the present application.

In the description of the embodiments of the present application, the "up", "down", "left", "right", "front", "back" orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, it is to be understood that these orientation terms are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present application.

As shown in fig. 1 to 20, an optical module 100 applied to an optical communication device includes: a housing assembly 1, an optical interface assembly 2, an electrical interface 3, a light source 4, a circuit board 5 and a pull ring 7. The light source 4 may be a semiconductor laser.

The case assembly 1 includes a lower case 12 and an upper case 11 covering the lower case 12. The lower housing 12 and the upper housing 11 enclose an accommodating cavity (not shown) with at least one open end, and the accommodating cavity is used for accommodating other components. The circuit board 5 can be fixed in the accommodating cavity after assembly, and the outer side of the shell assembly 1 can be in plug-in fit with an external optical fiber, an optical communication device and the like, so that the functions of photoelectric conversion of the optical module and transmitting/receiving optical signals are realized.

The electrical interface 3 is electrically connected to the circuit board 5. It should be understood that the electrical connection herein may refer to that the electrical interface 3 and the circuit board 5 are interfered by copper foil, wire or metal to realize electrical energy transmission or electrical signal transmission therebetween.

The light source 4 is typically arranged on a circuit board 5 and the electrical interface 3 is configured to supply electrical power to the light source 4, i.e. the electrical interface 3 supplies electrical power to the light source 4 via the circuit board 5 to excite the optical signal. As known to those skilled in the art, in the field of optical devices, an optical module has an independent package, and the circuit board 5 integrates necessary components for performing optical-electrical signal conversion.

For example, components such as an optical modulator (not shown), a multiplexer (not shown), a demultiplexer (not shown), and the like may be integrated on the circuit board 5. Wherein the optical modulator is configured to load an electrical signal into the optical energy to output a signal-bearing optical signal. In particular, electrical signals are loaded into optical energy to form a particular form of optical signal, which may change its phase, amplitude, etc. The optical signals with different wavelengths can be combined by a multiplexer to form a path of optical signal. One path of optical signal containing multiple wavelengths is split into multiple optical signals with single wavelength by a demultiplexer.

The light source 4 is coupled to the optical interface module 2, and the optical interface module 2 is configured to output continuous light energy emitted from the light source 4.

A pull ring 7 is disposed at one end of the shell assembly 1, and the optical interface assembly 2 is floatingly disposed at an end of the shell assembly 1 away from the pull ring 7. That is to say, the pull ring 7 is convenient for the optical module 100 to dock with the optical communication device as an operating end, and the optical interface assembly 2 is arranged at one end of the shell assembly 1 far away from the pull ring 7 and can dock with the optical communication device at the first time, so that the influence of the optical signal coupling precision of the optical interface assembly 2 caused by the secondary plugging and unplugging is avoided.

The optical interface component 2 is movably arranged on the shell component 1. At least a portion of the structure of the optical interface assembly 2 may float relative to the housing assembly 1. It should be understood that floating herein refers to the ability of at least a portion of the structure to telescope back and forth, side to side, or offset horizontally relative to the housing assembly 1 without departing from the confines of the housing assembly 1.

Therefore, when the optical module 100 is plugged into the optical communication device, the housing assembly 1, the card cage 6 (mentioned below) and the receptacle 9 (mentioned below) are plugged into each other, and a precision error formed by multiple plugging can be released by floating of the optical interface assembly 2 itself, so that the coupling between the optical interface assembly 2 and the optical connector 82 (mentioned below) can achieve an optimal effect, and the coupling precision is high.

In a specific working process, the optical module 100 is inserted into the optical communication device, the electrical interface 3 transmits the received electrical energy to the circuit board 5 and then to the light source 4 so as to excite the light source 4 to emit an optical signal, and the optical signal is transmitted to the optical communication device through the optical interface component 2; the optical communication device can use the optical signal as a signal source used by itself according to different application scenarios, and can also separate an optical fiber from itself to transmit the optical signal to other devices.

In the related art, referring to fig. 21, the optical interface 2 'is disposed at a first end of the shell assembly 1' close to the pull ring (in a folded state, not shown), the electrical interface 3 'is disposed at a second end of the shell assembly 1' far from the pull ring, a corresponding locking mechanism needs to be disposed to prevent the shell assembly and the optical communication device from being loosened when the second end is plugged into the optical communication device, and a corresponding locking mechanism needs to be disposed to ensure coupling accuracy of the optical signal when the first end is connected to the connector 9', so that the optical module in the related art needs to be respectively disposed with a locking mechanism corresponding to the connector 9' and the optical communication device.

In the embodiment of the present application, the optical interface assembly 2 is disposed at one end of the shell assembly 1 away from the pull ring 7, so that the optical interface assembly 2 is directly inserted into the optical communication device, and the optical communication device and the optical module 100 are provided with a set of locking mechanisms for locking, thereby preventing the optical communication device and the optical module from being loosened, ensuring the coupling precision of the optical signal, and simplifying the structure.

One possible embodiment is that the optical module comprises a catch 71 connected with a pull ring 7, the pull ring 7 can rotate relative to the shell assembly 1 to drive the catch 71 to lock with the optical communication device, thereby ensuring that the optical communication device and the optical module 100 cannot be loosened and ensuring the coupling precision of the optical signal

In one possible embodiment, as shown in fig. 1 to 5, the optical interface module 2 includes a housing 21 penetrating front and back, an elastic structure 23 disposed in the housing 21, and a ferrule 25.

In the axial direction of the housing assembly 1, the ferrule 25 may be completely disposed within the housing 21 with the end face of the ferrule 25 flush with the front end of the housing 21; the ferrule 25 may be partially disposed at the front end of the housing 21, that is, the end face of the ferrule 25 protrudes from the front end of the housing 21, so as to better facilitate the coupling and docking with the optical connector 82 of the optical communication device.

It should be noted that, if not separately indicated, referring to fig. 1 and 2, in the various embodiments of the present application, the extending direction of the housing assembly 1 is an axial direction, wherein the direction pointing from the pull ring 7 to the optical interface assembly 2 along the axial direction is a forward direction, and the end of the housing 21 near the direction is a front end; the direction in the axial direction from the optical interface assembly 2 towards the pull ring 7 is backwards, and the end of the housing 21 close to this direction is the rear end.

The housing 21 is secured to the end of the shell assembly 1 remote from the tab 7. Specifically, a fixing groove 215 may be formed on an outer wall surface of the housing 21, and a positioning block matched with the fixing groove 215 is correspondingly disposed on the lower housing 12 and/or the upper housing 11 of the housing assembly 1 to fix the housing 21 and the housing assembly 1.

It should be understood that floating herein means that the ferrule 25 can be extended and retracted back and forth, swung left and right, or horizontally offset within a certain range with respect to the housing 21 without departing from the limitations of the housing 21. The ferrule 25 can compress the elastic structure 23 to elastically float with respect to the housing 21, and on one hand, the fixing deviation between the housing 21 and the housing assembly 1, the fixing deviation between the housing assembly 1 and the cage 6, and the like can be corrected by the floating of the ferrule 25 itself, so that the coupling accuracy of the ferrule 25 and the optical connector 82 is high.

On the other hand, the elastic structure 23 always has an elastic force action along the axial direction on the ferrule 25, and under the elastic force action, the ferrule 25 protruding from the front end of the housing 21 is closely attached to the optical connector 82 of the optical communication device, so that the ferrule 25 and the optical connector are reliably butted, and the optical coupling between the ferrule 25 and the optical connector achieves the best effect.

In one possible embodiment, as shown in fig. 1-5, the optical interface assembly 2 includes a rear housing 24 and a base 22.

The rear seat 24 is detachably provided on the rear end side of the housing 21. In the non-limiting embodiment illustrated in fig. 2 to 4, the connection manner may be a snap connection, a positioning hole 214 is formed on a peripheral side wall of the housing 21, and a corresponding latch 242 is disposed on the rear seat 24, and the latch 242 may be snapped into the positioning hole 214 to achieve fixing. In other non-limiting embodiments, the rear seat 24 and the housing 21 may be screwed or otherwise formed.

The base 22 is disposed on one end side of the ferrule 25 close to the elastic structure 23, the elastic structure 23 is a spring, two ends of the elastic structure 23 are respectively connected to the rear seat 24 and the base 22 in an abutting manner, and the elastic structure 23 applies an elastic force to the ferrule 25 through the base 23 to protect the fragile ferrule 25 from being broken.

When the ferrule 25 is fitted with the optical connector 82 of the optical communication device, the reaction force of the contact point can cause the ferrule 25 to compress the elastic structure 23 to achieve elastic floating relative to the housing 21; the optical module 100 is plugged into the optical communication device, and the precision error formed by multiple plugging can be released by the floating of the ferrule 25 itself, so that the coupling between the ferrule 25 and the optical connector 82 (mentioned below) can achieve the best effect, and the coupling precision is high.

In one possible embodiment, as shown in fig. 1-5, the housing 21 includes a first interior cavity 211, a second interior cavity 212, and a step 213 disposed within the housing 21. I.e., bounded by step 213, divides the interior of housing 21 into first interior 211 and second interior 212, with first interior 211 being smaller in size than second interior 212. It will be appreciated that the interior cavity of housing 21 extends forward and rearward, and step 213 is an annular interface between first interior cavity 211 and second interior cavity 212.

The ferrule 25 includes front and rear ends 251, 252 and a guide structure 253. The rear end portion 252 is larger in size than the front end portion 251. The ferrule 25 is inserted into the housing 21, the rear end 252 is located in the second inner cavity 212 and abuts against the step 213, and the front end 251 passes through the first inner cavity 211 and protrudes out of the end face of the second inner cavity 212 far from the step 213, so as to facilitate coupling and docking with the optical connector 82 of the optical communication device. The base 22 is disposed on the bottom surface of the rear end portion 252 away from the front end portion 251, the rear seat 24 and one end of the second inner cavity 212 away from the first inner cavity 211 are fixed to serve as a support portion of the elastic structure 23, and two ends of the elastic structure 23 are respectively connected with the rear seat 24 and the base 22 in an abutting manner, so as to provide a certain pre-tightening force to the ferrule 25 through the base 22.

The guide structure 253 is generally disposed on an end surface of the front end portion 251, and the guide structure 253 can be used for inserting and guiding the front end portion 251 and the optical connector 82 of the optical communication device. The guide structure 253 is usually a guide post or a guide hole, and the optical connector 82 is provided with a guide portion 821 corresponding to the guide structure 253.

The optical interface assembly 2 may also include an optical fiber 26. The rear seat 24 is formed at a middle portion thereof with a through hole 241, and one end of the optical fiber 26 is coupled with the light source 4 and the other end thereof passes through the through hole 241 and the base 22 until being connected with the ferrule 25. The end face of the optical fiber 26 passes forward through the rear end 252 and the front end 251 to reach the end face of the front end 251, and the front end 251 is brought into close contact with the optical connector 82 of the optical communication device, thereby completing coupling.

One possible embodiment, as shown in fig. 10 to 11, the electrical interface 3 is arranged at the end of the housing assembly 1 remote from the tab 7. Even if the electrical interface 3 and the optical interface component 2 are located at the same end of the housing component 1, in the process of plugging and unplugging the optical module 100 and the optical communication device, the optical interface component 2 and the optical connector 82 complete coupling and butt joint, and the electrical interface 3 and the electrical connection part 83 complete connection correspondingly, so that one-time plugging and unplugging is realized to complete photoelectric connection, thereby saving plugging and unplugging times and saving the cost of the whole photoelectric system. The optoelectronic system herein refers to an optical communication device, an optical module and an arrangement of corresponding auxiliary structures.

In the working process, the optical module 100 is inserted into the optical communication device, the optical communication device transmits electric energy to the electrical interface 3 through the electrical connection part 83, the electric energy is transmitted to the circuit board 5 and then transmitted to the light source 4, so that the excitation light source 4 emits optical signals, and the optical signals are transmitted to the optical connector 82 of the optical communication device through the optical interface component 2, thereby completing the conversion of the optical-electrical signals. The optical communication device can use the optical signal as a signal source used by itself according to different application scenarios, and can also separate an optical fiber from itself to transmit the optical signal to other equipment.

In the non-limiting embodiment illustrated in fig. 1 to 3 and 18 to 20, the electrical interface 3 is a gold finger integrally formed on the circuit board 5, which is simple in structure and facilitates the design of the circuit on the circuit board 5; the electrical connection portion 83 may be a metal elastic sheet disposed in an electrical socket cavity 92 (mentioned below), and while the optical interface assembly 2 and the optical connector 82 complete coupling and docking, the electrical interface 3 is correspondingly inserted into the electrical socket cavity 92 and connected to the electrical connection portion 83, so as to achieve communication of the circuit. The golden fingers can be arranged on two sides of the ferrule 25 according to requirements, and can also be arranged above and/or below the ferrule 25, specifically based on design.

In the non-limiting embodiment illustrated in fig. 3 to 9, the electrical interface 3 is a pin, which is simple in structure, and the electrical interface 3 is fixedly disposed in the housing assembly 1 and electrically connected to the circuit board 5 through the flexible tape 51. The electrical connection part 83 may be a female plug provided corresponding to the electrical interface 3, and the electrical interface 3 is correspondingly inserted into the electrical connection part 83 to realize the communication of the circuit while the optical interface component 2 and the optical connector 82 complete the coupling and docking. When the electrical interface 3 and the electrical connection portion 83 are plugged and unplugged to generate mechanical stress, the flexible soft tape 51 can eliminate the mechanical stress of the electrical interface 3 through flexible deformation under the condition of keeping the electrical connection between the electrical interface 3 and the electrical connection portion 83, so as to prevent the mechanical stress from being transmitted to the optical interface assembly 2 through the circuit board 5, and improve the coupling precision between the optical interface assembly 2 and the optical connector 82.

The electrical interface 3 is a pin and is fixedly arranged with the shell assembly 1, the electrical interface 3 can be designed into a plurality of or one, the arranged position can be arranged on two sides of the ferrule 25 according to requirements, and can also be arranged above and/or below the ferrule 25, specifically, the design is the standard.

In the non-limiting embodiment illustrated in fig. 13 to 17, the electrical interface 3 includes a fixed seat 31 and a floating member 32, the fixed seat 31 is fixed relative to the circuit board 5, the floating member 32 is movably disposed on the fixed seat 31, and the floating member 32 can float relative to the circuit board 5. The floating here means that the floating member 32 can be extended and contracted back and forth, swung left and right, or horizontally offset within a certain range with respect to the circuit board 5 without departing from the restriction of the fixed base 31.

The optical module is inserted in the optical communication device, the floating piece 32 is used for supplying power to the light source 4, and the floating piece 32 provides electric energy for the light source 4 through the circuit board 5 so as to excite an optical signal. The mechanical stress generated by the plugging of the electrical connection part 83 and the floating member 32 is released by the floating of the floating member 32 itself, so that the mechanical stress is prevented from being transferred to the optical interface assembly 2 through the circuit board 5, the optical interface assembly 2 can be coupled with the optical connector 82 under the condition that the external interference is as small as possible, and the purpose of improving the coupling precision of the optical interface assembly 2 is finally achieved.

The optical module 100 includes a flexible soft strip 51. The floating member 32 is electrically connected to the circuit board 5 through the flexible soft tape 51, when the electrical interface 3 and the electrical connection portion 83 are plugged to generate mechanical stress, the flexible soft tape 51 can eliminate the mechanical stress of the electrical interface 3 through flexible deformation under the condition that the electrical interface 3 and the electrical connection portion 83 are electrically connected, so as to prevent the mechanical stress from being transmitted to the optical interface assembly 2 through the circuit board 5, and improve the coupling precision of the optical interface assembly 2 and the optical connector 82.

The flexible soft tape 51 may be a flexible circuit board according to design requirements; can also be a multi-core flat cable; or a plurality of flexible wires. The cost is low, the conductivity is stable, and the mechanical stress of the electrical interface 3 can be eliminated through self effective deformation.

One possible embodiment, as shown in fig. 13 to 17, the electrical interface 3 comprises elastic elements 33, the floating element 32 being inserted in the fixed seat 31, the elastic elements 33 being arranged between the floating element 32 and the fixed seat 31, the end surface of the floating element 32 being retractable with respect to the fixed seat 31. That is, the end face of the float member 32 is retractable with respect to the circuit board 5; thereby form a public plug, electric connection portion 83 can set up to a female jack as required, and floating piece 32 accomplishes both connections in inserting electric connection portion 83 with the form of public female plug, and corresponding mechanical stress makes floating piece 32 take place the circumstances such as flexible, the horizontal hunting, or horizontal migration to avoid mechanical stress to transmit optical interface subassembly 2, finally improve optical interface subassembly 2's coupling precision.

Specifically, as shown in fig. 7, the floating member 32 is a hollow cylinder with an opening at one end, the fixing base 31 is formed with a positioning hole 311, the inner diameter of the positioning hole 311 is larger than the outer diameter of the floating member 32, the positioning hole 311 and the positioning hole are in clearance fit to form a clearance C, where C is greater than or equal to 0.01mm and less than or equal to 0.5mm, so that the floating member 32 can vertically shift up and down or horizontally shift left and right according to the mechanical stress generated when being inserted into the electrical connector 82; the floating piece 32 can also be used as a fulcrum to swing left and right and up and down within the range of an angle B, wherein B is more than or equal to 1 degree and less than or equal to 10 degrees, and under the condition of keeping the floating piece 32 to be electrically connected with the circuit board 5, the mechanical stress is prevented from being transmitted to the optical interface component 2, and the coupling precision of the optical interface component 2 is finally improved.

One possible embodiment, as shown in fig. 10-13, the electrical interface 3 is provided at the end of the housing assembly 1 near the pull ring 7. Even if the electrical interface 3 and the optical interface component 2 are located at two ends of the housing component 1 respectively, in the process of plugging and unplugging the optical module 100 and the optical communication device, the optical interface component 2 and the optical connector 82 complete coupling and butt joint, the electrical interface 3 is connected with an external circuit correspondingly, and electric energy is provided for the electrical interface 3 through the external circuit.

In the working process, the optical module 100 is inserted into the optical communication device, the external circuit is connected with the electrical interface 3 to transmit electric energy, the electric energy is transmitted to the circuit board 5 and then transmitted to the light source 4, the excitation light source 4 emits optical signals, and the optical signals are transmitted to the optical connector 82 of the optical communication device through the optical interface component 2 to complete the conversion of the optical signals. The external circuit may be a power line separately drawn from another device to supply power to the optical module 100, or may be a separate power line drawn from the optical communication apparatus to supply power to the optical module 100. The optical communication device can use the optical signal as a signal source used by itself according to different application scenarios, and can also separate an optical fiber from itself to transmit the optical signal to other devices.

As shown in fig. 18 to 20, the optical communication device includes an optical connector 82 and an electrical connection portion 83; the optical connector 82 is coupled with the optical interface assembly 2; the electrical connection 83 is detachably connected to the electrical interface 3.

In addition, the optical communication device includes a card cage 6, the card cage 6 has a cavity capable of accommodating the optical module, a rectangular slot is formed on the peripheral side surface to facilitate heat dissipation, a card slot 61 matched with the brake pad 71 is formed on the card cage 6, and when the optical module 100 is inserted into the card cage 6, the card slot 61 and the brake pad 71 are matched to lock the optical module 100 and the card cage 6, so that the optical communication device is locked with the optical module 100.

In one possible embodiment, as shown in fig. 18, 19 and 20, the optical communication device includes a socket 9 and a PCB 200, and the PCB 200 has components integrated thereon necessary for performing the functions of the optical communication device. The socket 9 comprises an optical socket cavity 91 and at least one electrical socket cavity 92 which are arranged side by side, the optical connector 82 can be a plug core, and the optical connector 82 is inserted into the optical socket cavity 91 to be coupled with the optical interface component 2; electric connecting portion 83 is metal shrapnel, and socket 9 still includes electric pin 93, and electric pin 93 one end extends to and is connected with electric connecting portion 83 in the electric socket cavity 92, and the other end downwardly extending to the bottom surface of socket 9 and with PCB board 200 welded fastening, and electric connecting portion 83 sets up in electric socket cavity 92 in order to peg graft with electrical interface 3, and the electric energy of PCB board 200 passes through electric pin 93 and reaches electric connecting portion 83 and then transmits for electrical interface 3 and realize the electric energy transmission to optical module 100.

The various embodiments/implementations provided herein may be combined with each other without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (12)

1. An optical module, comprising: the optical interface module comprises a shell assembly (1), an optical interface assembly (2), an electrical interface (3), a light source (4), a circuit board (5) and a pull ring (7);

the electrical interface (3) is electrically connected with the circuit board (5), and the electrical interface (3) is configured to provide electrical energy to the light source (4);

the light source (4) is coupled with the optical interface component (2);

the pull ring (7) is arranged at one end of the shell component (1), and the optical interface component (2) is arranged at one end, far away from the pull ring (7), of the shell component (1) in a floating manner.

2. The optical module according to claim 1, wherein the optical interface assembly (2) comprises a housing (21) penetrating from front to back, an elastic structure (23) arranged in the housing (21), and a ferrule (25), wherein the housing (21) is fixed at one end of the housing assembly (1) far away from the pull ring (7);

the ferrule (25) is capable of compressing the resilient structure (23) to achieve resilient float relative to the housing (21).

3. The light module according to claim 1, characterized in that the light interface assembly (2) comprises a back seat (24) and a base (22);

the backseat (24) can be detachably arranged at the rear end of the shell (21), the base (22) is arranged at one end side of the insertion core (25) close to the elastic structure (23), and two ends of the elastic structure (23) are respectively connected with the backseat (24) and the base (22) in an interference mode.

4. A light module according to claim 2 or 3, characterized in that the housing (21) comprises a first inner cavity (211), a second inner cavity (212) and a step (213) provided in the housing (21);

the ferrule (25) comprises a front end part (251), a rear end part (252) and a guide structure (253), the rear end part (252) is arranged in the second inner cavity (212) and is abutted against the step (213), the front end part (251) penetrates through the first inner cavity (211) and protrudes out of the end face of the second inner cavity (212) far away from the step (213), and the guide structure (253) is used for assisting the insertion and guide of the front end part (251).

5. A light module as claimed in any one of claims 1 to 3, characterized in that the electrical interface (3) is arranged at an end of the housing assembly (1) remote from the pull ring (7).

6. Optical module according to any of claims 1 to 3, characterized in that the electrical interface (3) is arranged at an end of the housing assembly (1) near the pull ring (7).

7. The optical module according to any one of claims 1 to 3, characterized in that the electrical interface (3) is a gold finger integrally formed at one end of the circuit board (5); or the like, or, alternatively,

the electric interface (3) is a contact pin, and the electric interface (3) is fixedly arranged in the shell component (1) and is electrically connected with the circuit board (5) through a flexible soft belt (51).

8. The optical module according to any one of claims 1 to 3, wherein the electrical interface (3) comprises a fixed base (31) and a floating member (32), the fixed base (31) is fixed relative to the circuit board (5), the floating member (32) is movably arranged on the fixed base (31), the floating member (32) is electrically connected with the circuit board (5) through a flexible soft tape (51), and the floating member (32) can float relative to the circuit board (5); the float (32) is used for supplying power to the light source (4).

9. Optical module according to claim 8, characterized in that the electrical interface (3) comprises an elastic member (33), the floating member (32) being interposed in the fixed seat (31), the elastic member (33) being arranged between the floating member (32) and the fixed seat (31), the end face of the floating member (32) being retractable with respect to the fixed seat (31).

10. An optical communication device for an optical module as claimed in claim 5, characterized by comprising an optical connector (82) and an electrical connection (83); the optical connector (82) is coupled with the optical interface assembly (2); the electrical connection (83) is detachably connected to the electrical interface (3).

11. The optical communication device according to claim 10, comprising a card cage (6), wherein the card cage (6) is formed with a card slot (61) cooperating with the brake pad (71).

12. The optical communication device according to claim 10, wherein the optical communication device comprises a socket (9), the socket (9) comprises an optical socket cavity (91) and an electrical socket cavity (92) arranged side by side, and the optical connector (82) is inserted into the optical socket cavity (91) to connect with the optical interface component (2); the electric connection part (83) is a metal elastic sheet, and the electric connection part (83) is arranged in the electric socket cavity (92) to be connected with the electric interface (3) in an inserting mode.

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