CN106842438B - A kind of optical module - Google Patents

A kind of optical module Download PDF

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Publication number
CN106842438B
CN106842438B CN201510890288.9A CN201510890288A CN106842438B CN 106842438 B CN106842438 B CN 106842438B CN 201510890288 A CN201510890288 A CN 201510890288A CN 106842438 B CN106842438 B CN 106842438B
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CN
China
Prior art keywords
optical
adapter
port part
optical port
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510890288.9A
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Chinese (zh)
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CN106842438A (en
Inventor
崔伟
刘寅龙
潘红超
于琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Broadband Multimedia Technology Co Ltd
Original Assignee
Hisense Broadband Multimedia Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Hisense Broadband Multimedia Technology Co Ltd filed Critical Hisense Broadband Multimedia Technology Co Ltd
Priority to CN201510890288.9A priority Critical patent/CN106842438B/en
Priority claimed from US15/222,550 external-priority patent/US9746625B2/en
Publication of CN106842438A publication Critical patent/CN106842438A/en
Application granted granted Critical
Publication of CN106842438B publication Critical patent/CN106842438B/en
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Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4219Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236Fixing or mounting methods of the aligned elements
    • G02B6/424Mounting of the optical light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4219Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236Fixing or mounting methods of the aligned elements

Abstract

The invention discloses a kind of optical modules, are related to technical field of optical fiber communication, can prevent from generating relative movement between adapter and optical port part, guarantee the coupling efficiency of optical fiber.Optical module of the present invention, including shell, adapter and optical secondary module are provided in the shell, the adapter is fixed with the optical secondary module, optical port part is additionally provided in the shell, the optical port part is located at side of the adapter far from the optical secondary module, and the optical port part is equipped with opening far from one end of the adapter;The optical port part is provided with through-hole on the end face of the adapter, and the adapter may pass through the through-hole and fix with the optical port part, and optical fiber can be protruded into the adapter by the opening.The present invention is used for optical module.

Description

A kind of optical module
Technical field
The present invention relates to technical field of optical fiber communication more particularly to a kind of optical modules.
Background technique
In Fibre Optical Communication Technology, carrier of the optical signal as information carries out high speed, long-time, reliable information and passes It is defeated.The effect of optical module is photoelectric conversion, i.e. transmitting terminal converts electrical signals into optical signal, after being transmitted by optical fiber, receiving end Optical signal is converted into electric signal again.
Optical module in the prior art, including shell and the adapter and optical secondary module that are fixed to each other, the adaptation Device and the optical secondary module are connected in the shell, are additionally provided with optical port part in the shell, the optical port part with it is described Shell integrated design, optical fiber can be inserted into the adapter by the optical port part, so that the optical signal in optical fiber be made to pass through institute Adapter is stated into the optical secondary module, is subsequently converted into electric signal, or make the optical signal in the optical secondary module Enter the optical fiber by the adapter, is then transmitted in optical fiber.
Shell can shake optical module in assembling or when insertion optical module cage, since the adapter card is connected to In the shell, and the optical port part and the shell are integrally designed, and therefore, when the shell shakes, the adapter holds It is easily mobile relative to the shell, the optical port part without mobile relative to the shell, this will cause the adapter with Relative movement is generated between the optical port part, and the coupling efficiency of optical fiber is caused to reduce.
Summary of the invention
The embodiment of the present invention provides a kind of optical module, can prevent from generating relative movement between adapter and optical port part, protect Demonstrate,prove the coupling efficiency of optical fiber.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
A kind of optical module, including shell are provided with adapter and optical secondary module, the adapter and institute in the shell It states optical secondary module to fix, optical port part is additionally provided in the shell, the optical port part is located at the adapter far from the light The side of secondary module is learned, the optical port part is equipped with opening far from one end of the adapter;The optical port part is close to the adaptation Through-hole is provided on the end face of device, the adapter may pass through the through-hole and fix with the optical port part, and optical fiber can be by described Opening protrudes into the adapter.
When in use, optical fiber can be inserted into described suitable optical module provided in an embodiment of the present invention by the opening of the optical port part In orchestration, so that the optical signal in optical fiber is entered the optical secondary module by the adapter, be subsequently converted into electric signal, or Person makes the optical signal in the optical secondary module enter the optical fiber by the adapter, is then transmitted in optical fiber. It is fixed since the adapter may pass through the through-hole with the optical port part, it is described suitable when the shell shakes Orchestration and the optical port part can move together relative to the shell or the adapter and the optical port part are both with respect to institute State housing stationary, that is to say, that relative movement will not be generated between the adapter and the optical port part, to ensure that optical fiber Coupling efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the perspective view of optical module of the embodiment of the present invention;
Fig. 2 is the explosive view of Fig. 1;
Fig. 3 is the connection schematic diagram of optical port part and optical secondary module in optical module of the embodiment of the present invention;
Fig. 4 is the explosive view of Fig. 3;
Fig. 5 is the structural schematic diagram of optical port part in optical module of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply Ground includes one or more of the features.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 1 to Fig. 3 is a specific embodiment of optical module of the embodiment of the present invention, the optical module in the present embodiment, including Shell 1 is provided with adapter 2 and optical secondary module 3 in shell 1, and adapter 2 and optical secondary module 3 are fixed, also set in shell 1 It is equipped with optical port part 4, optical port part 4 is located at side of the adapter 2 far from optical secondary module 3, the one end of optical port part 4 far from adapter 2 Equipped with opening 46;Optical port part 4 is provided with through-hole 41 on the end face of adapter 2, and adapter 2 may pass through through-hole 41 and optical port part 4 is fixed, and optical fiber can be protruded into adapter 2 by opening 46.
Optical port part 4 is generally made by metal material, naturally it is also possible to select other materials, the present embodiment does not limit this It is fixed.
When in use, optical fiber can be inserted into adapter 2 by the opening 46 of optical port part 4 to optical module provided in an embodiment of the present invention It is interior, so that the optical signal in optical fiber is entered optical secondary module 3 by adapter 2, be subsequently converted into electric signal, or makes optics Optical signal in module 3 enters the optical fiber by adapter 2, is then transmitted in optical fiber.Since adapter 2 may pass through Through-hole 41 and optical port part 4 are fixed, and therefore, when shell 1 shakes, adapter 2 and optical port part 4 can be relative to shells 1 together Mobile or adapter 2 and optical port part 4 are static both with respect to shell 1, that is to say, that will not between adapter 2 and optical port part 4 Relative movement is generated, to ensure that the coupling efficiency of optical fiber.
Optical port part 4 can be integrally formed with shell 1, can also be detachably connected with shell 1.When 1 one of optical port part 4 and shell When molding, due to the blocking of shell 1 so that around optical port part 4 can operating space it is smaller, install adapter 2 when operation not side Just;It, can be before optical port part 4 be connect with shell 1 by adapter 2 and optical port part 4 when optical port part 4 and shell 1 are detachably connected It is fixed, at this point, 4 surrounding of optical port part is without any obstacle, can operating space it is larger, to make operation when installing adapter 2 more Convenient, therefore, preferred optical port part 4 is detachably connected with shell 1 in the present embodiment.Further, optical port part 4 and adapter 2 There are many fixed forms, for example, internal screw thread can be arranged in the inner surface of through-hole 41, outer spiral shell is arranged in the outer surface of adapter 2 Line, so that optical port part 4 be made to be connected through a screw thread with adapter 2;It can also be in the outer surface of adapter 2 and the inner surface of through-hole 41 Between adhesive is set, to keep optical port part 4 and adapter 2 Nian Jie by adhesive;It is of course also possible to make adapter 2 and lead to Hole 41 is interference fitted, so that optical port part 4 be connect with adapter 2;In the embodiment of the present invention, optical port part 4 and adapter 2 pass through company Fitting 5 is fixed, and as shown in Figure 3 and Figure 4, is arranged with the first retention bead 6 and the second retention bead 7 on adapter 2, and first Retention bead 6 and the second retention bead 7 are fixed with adapter 2;It is formed between first retention bead 6 and the second retention bead 7 Card slot 8;Connector 5 is also arranged on adapter 2, connector 5 is connected in card slot 8;When adapter 2 passes through through-hole 41, even Fitting 5 and optical port part 4 are fixed, to keep optical port part 4 and adapter 2 fixed by connector 5.
Specifically, above-mentioned connector 5 includes a drilled base plate 51, and is fixed on 51 edge of drilled base plate referring to Fig. 4 Side plate 52;Adapter 2 includes being provided with the first segment 21 of the first retention bead 6 and being provided with the second of the second retention bead 7 Section 22, the first retention bead 6 can be integrally formed with first segment 21, or be connected on first segment 21, and the second retention bead 7 can also It is integrally formed, can also be connected on second segment 22 with second segment 22, first segment 21 and optical secondary module 3 are fixed, first segment 21 It is connected with second segment 22, so as to form card slot 8 between the first retention bead 6 and the second retention bead 7, drilled base plate 51 is connected in In card slot 8, at this point, connector 5 connect completion with adapter 2, first segment 21 and second segment 22 here is solderable to be integrated, It can be connected through a screw thread, thus easy to disassemble;Second segment 22 may pass through through-hole 41, when second segment 22 passes through through-hole 41, even The side plate 52 of fitting 5 and the side 42 of optical port part 4 are fixed, at this point, connector 5 connect completion with optical port part 4, to realize light Mouth part 4 and adapter 2 pass through the fixation of connector 5.
The side plate 52 of connector 5 and the side 42 of optical port part 4 can be fixed by welding, can also pass through the side of gluing Formula is fixed, naturally it is also possible to threaded hole be arranged on the side of optical port part 4 42, and in the side plate of connector 5 52 and the screw thread Unthreaded hole is arranged in the corresponding position in hole, and screw is cooperatively connected after passing through the unthreaded hole with the threaded hole, thus by the side of connector 5 The side 42 of plate 52 and optical port part 4 is fixed.It being connected compared to welding with screw, bonding is simple to operate, technology difficulty can be reduced, It improves efficiency, while cost can be reduced, therefore, the side 42 of the side plate 52 of connector 5 and optical port part 4 is preferred in the present embodiment It is fixed by way of gluing.
Size of the drilled base plate 51 of connector 5 with optical port part 4 close to the end face of adapter 2 43 can be identical, certainly The size of end face 43 can be more than or less than, in order to facilitate the fixation of the side 42 of the side plate 52 and optical port part 4 of connector 5, originally Size of the drilled base plate 51 of preferred connector 5 with optical port part 4 close to the end face of adapter 2 43 is identical in embodiment, as a result, when When drilled base plate 51 is close to the end face 43, side plate 52 can with 42 face of side of optical port part 4, while can also reduce side plate 52 with Spacing between the side 42 of optical port part 4, to facilitate the fixation of the side plate 52 of connector 5 and the side 42 of optical port part 4.
There are many connection types of optical port part 4 and shell 1, for example, optical port part 4 can be connected by screw to shell 1, it can also To be connected in shell 1.Compared to being connected by screw to, optical port part 4 is connected to this connection type in shell 1 and is mounting and dismounting When it is more convenient, and there is no part and shell 1 to be detached from after dismantling, the loss of part can be reduced, therefore, in the present embodiment preferably Optical port part 4 is connected in shell 1.
Referring to Fig. 2, the shell 1 in the embodiment of the present invention include plate upper housing 13 and U-shaped lower case 14;Upper housing 13 can cover conjunction in lower case 14, therefore, can be first by adapter 2, optical secondary module 3, optical port part when assembling the optical module The components such as 4 and circuit board are all set in lower case 14, then cover the upper housing 13, so as to avoid upper housing 13 to each Component causes to stop, ease of assembly.
Specifically, being provided with the first groove on the bottom surface of optical port part 4, third retention bead is provided on the bottom surface of shell 1, First groove and the third retention bead are clamped;It can by the clamping of the third retention bead and first groove It prevents optical port part 4 from moving along the direction that optical fiber inserts or pull out, while being inserted into or pulling out along perpendicular to optical fiber prevented also from optical port part 4 Direction out moves left and right, and the top and bottom of shell 1 can prevent optical port part 4 from inserting or pull out direction or more along perpendicular to optical fiber It is mobile, optical port part 4 can be connected in shell 1 as a result,.
One end of adapter 2 is provided with the second groove in the bottom of optical port part 4, the is provided on the bottom surface of shell 1 Four retention beads, the 4th retention bead are connected in second groove.Due to the 4th retention bead and described The clamping of two grooves, therefore, the shape of the 4th retention bead and second groove matches, and when assembling can play installation and lead To effect, ease of assembly.
Referring to Fig.1, Fig. 2 and Fig. 5, the optical module includes two optical port parts 4 arranged side by side, in one kind of the invention In embodiment, the first groove 44, two the first grooves 44 are provided in two optical port parts 4 on two sides 42 close to each other Position it is opposite, be provided with third retention bead 11 on the bottom surface of shell 1, two the first grooves 44 with third retention bead 11 Clamping, limits two optical port parts 4 by the clamping of third retention bead 11 and two the first grooves 44, prevents two light Mouthful part 4 is moved along the direction that inserts or pull out of optical fiber, and prevents the optical port part 4 in left side from moving to the right, the optical port part 4 on right side to Left side is mobile;One end in the bottom of two optical port parts 4 far from adapter 2 is provided with the second groove 45, on the bottom surface of shell 1 It is provided with the 4th retention bead 12, the 4th retention bead 12 is connected in the second groove 45, passes through the 4th retention bead 12 and The clamping of two grooves 45 limits two optical port parts 4, prevents two optical port parts 4 along the side of inserting or pull out perpendicular to optical fiber It moves left and right, and prevents two optical port parts 4 from moving along the extraction direction of optical fiber;The top and bottom of shell 1 can prevent two Optical port part 4 is moved up and down along the direction that inserts or pull out perpendicular to optical fiber, and the card of optical port part 4 Yu shell 1 can be realized as a result, It connects;
In addition, two the first grooves 44 are clamped with the same third retention bead 11, third retention bead 11 can be reduced Number is set, technology difficulty is reduced.
In another embodiment of the invention, a card slot can also be respectively set in the bottom surface of two optical port parts 4, simultaneously A fixture block is respectively set in the bottom surface of shell 1 position corresponding with two card slots, it can by the clamping of card slot and fixture block It prevents optical port part 4 from moving along the direction that optical fiber inserts or pull out, while being inserted into or pulling out along perpendicular to optical fiber prevented also from optical port part 4 Direction out moves left and right, and the top and bottom of shell 1 can prevent optical port part 4 from inserting or pull out direction or more along perpendicular to optical fiber It is mobile, two optical port parts 4 can be connected in shell 1 as a result,.
In the third embodiment of the invention, can in the bottom of two optical port parts 4 far from adapter 2 one end and It is respectively provided with the second groove 45 close to one end of adapter 2, is respectively provided with the in the bottom surface of shell 1 position corresponding with the second groove 45 Four retention beads 12, the 4th retention bead 12 are connected in the second groove 45, pass through the 4th retention bead 12 at 4 both ends of optical port part Clamping with the second groove 45 limits two optical port parts 4, prevents two optical port parts 4 from inserting or pull out direction along optical fiber It is mobile, and prevent two optical port parts 4 from moving left and right along the direction that inserts or pull out perpendicular to optical fiber;The top and bottom of shell 1 It can prevent two optical port parts 4 from moving up and down along the direction that inserts or pull out perpendicular to optical fiber, it as a result, can also be by two optical port parts 4 It is connected in shell 1.
In order to reduce shaking of the optical secondary module 3 in shell 1, referring to Fig. 3 and Fig. 4, optical secondary module 3 be cuboid or The side of prism, cuboid and prism is formed by multiple plain splices, when assembling optical secondary module 3, cuboid or prism At least one side can be bonded with the inner wall of shell 1, so as to reduce shaking of the optical secondary module 3 in shell 1.
Above-mentioned connector 5 can be metal material, which can guarantee the connection of optical port part 4 Yu adapter 2 Intensity, such as stainless steel.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (8)

1. a kind of optical module, including shell, be provided with adapter and optical secondary module in the shell, the adapter with it is described Optical secondary module is fixed, which is characterized in that optical port part is additionally provided in the shell, it is remote that the optical port part is located at the adapter Side from the optical secondary module, the optical port part are equipped with opening far from one end of the adapter;
The optical port part is provided with through-hole on the end face of the adapter, the adapter may pass through the through-hole with it is described Optical port part is fixed, and optical fiber can be protruded into the adapter by the opening;
The optical port part is detachably connected with the shell;
The first retention bead and the second retention bead, first retention bead and second limit are arranged on the adapter Position protrusion is fixed with the adapter;Card slot is formed between first retention bead and second retention bead;
Connector is also arranged on the adapter, the connector is connected in the card slot;
When the adapter passes through the through-hole, the connector is fixed with the optical port part.
2. optical module according to claim 1, which is characterized in that the connector includes a drilled base plate, Yi Jigu It is scheduled on the side plate at the drilled base plate edge;
The adapter includes the first segment for being provided with the first retention bead and the second segment for being provided with the second retention bead, described First segment is fixed with the optical secondary module, and the first segment is connected with the second segment, makes first retention bead and institute It states and forms the card slot between the second retention bead, the drilled base plate is connected in the card slot, and the second segment may pass through The through-hole;
When the second segment passes through the through-hole, the side plate of the connector and the side of the optical port part are fixed.
3. optical module according to claim 2, which is characterized in that the side plate of the connector and the optical port part Side is fixed by way of gluing.
4. optical module according to claim 1, which is characterized in that it is provided with the first groove on the bottom surface of the optical port part, Third retention bead is provided on the bottom surface of the shell, first groove and the third retention bead are clamped;
One end in the bottom of the optical port part far from the adapter is provided with the second groove, is arranged on the bottom surface of the shell There is the 4th retention bead, the 4th retention bead is connected in second groove.
5. optical module according to claim 2, which is characterized in that the drilled base plate of the connector and the optical port Size of the part close to the end face of the adapter is identical.
6. optical module according to claim 1, which is characterized in that the optical secondary module is cuboid or prism.
7. optical module according to claim 1, which is characterized in that the connector is metal material.
8. optical module according to claim 1, which is characterized in that the shell include plate upper housing and it is U-shaped under Shell;
The upper housing can cover conjunction in the lower case.
CN201510890288.9A 2015-12-04 2015-12-04 A kind of optical module Active CN106842438B (en)

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CN201910572685.XA CN110187457A (en) 2015-12-04 2015-12-04 A kind of optical module
CN201510890288.9A CN106842438B (en) 2015-12-04 2015-12-04 A kind of optical module
US15/222,550 US9746625B2 (en) 2015-12-04 2016-07-28 Optical module

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CN108387980A (en) * 2018-03-14 2018-08-10 青岛海信宽带多媒体技术有限公司 Optical secondary module and optical module

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