CN207586483U - A kind of optical module - Google Patents
A kind of optical module Download PDFInfo
- Publication number
- CN207586483U CN207586483U CN201721898861.1U CN201721898861U CN207586483U CN 207586483 U CN207586483 U CN 207586483U CN 201721898861 U CN201721898861 U CN 201721898861U CN 207586483 U CN207586483 U CN 207586483U
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- Prior art keywords
- optical
- circuit board
- pedestal
- fixing piece
- board assemblies
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Abstract
The utility model proposes a kind of optical modules, including upper casing, pedestal, circuit board assemblies, optical connector, lens, optical fiber and the fixing piece for fixing the optical fiber, the circuit board assemblies are fixed on the pedestal, electrical chip component and optical chip component are provided on the circuit board assemblies, the lens are fixed on the circuit board assemblies and one end and the electrical chip component, optical chip component couples, the other end is fixedly connected with the fixing piece, the fixing piece is fixed on the circuit board assemblies, the optical fiber is connected between the fixing piece and the optical connector, the optical connector part is located in the pedestal, the upper clamshell is buckled on the pedestal.Solving the problems, such as pluggable optical module of the prior art by the utility model, there are rate is low, volume is big.
Description
Technical field
The utility model is related to a kind of improvement of optical module structure.
Background technology
Popularization and deep application with optic communication, demand and the day of photoelectric device switching device increase severely, the market demand
Towards be increasingly miniaturized, high density, high-speed, the development of inexpensive required direction.Wherein high-speed, small size are required, just
It is the loss of optical module entirety optical link to be reduced, reduces the size of Primary Component.And the low channel module of high speed uses more at present
OSA realizes optic path, is limited by OSA appearance and sizes are big, module overall volume can be caused excessive, can not realize the small of product
Type realizes that loss is big, and coupling efficiency is relatively low in addition, light path need to be reflected through speculum, and higher rate then needs FPC switching electricity
Signal, which increase the costs of integral module.
Utility model content
The utility model provides a kind of optical module, and solving pluggable optical module of the prior art, there are rate is low, volume
Big problem.
To achieve the purpose that solve above-mentioned technical problem, the utility model uses following technology using proposed optical module
Scheme is achieved：
A kind of optical module, including upper casing, pedestal, circuit board assemblies, optical connector, lens, optical fiber and for described in fixation
The fixing piece of optical fiber, the circuit board assemblies are fixed on the pedestal, and electrical chip group is provided on the circuit board assemblies
Part and optical chip component, the lens are fixed on the circuit board assemblies and one end and the electrical chip component, optical chip group
Part couples, and the other end is fixedly connected with the fixing piece, and the fixing piece is fixed on the circuit board assemblies, in the fixation
The optical fiber is connected between part and the optical connector, the optical connector part is located in the pedestal, the upper casing
Cover is buckled on the pedestal to be fixedly connected with the pedestal.
The utility model further includes following additional technical feature：
Further, the lens end is provided with slot, is provided on the fixing piece and plugs protrusion, the lens with
The fixing piece coordinates plugged and fixed by plugging protrusion and slot.
Further, a clip is further included, the clip is pressed on the top surface of the lens and fixing piece and one end card
The lens front is located at, one end is fastened on the rear end of the fixing piece.
Further, the clip includes entity plate and is arranged on the arc hook that the entity plate both sides are bent downward,
The entity plate and the arc hook are integrally formed part.
Further, positioning column is provided on the pedestal, location hole, the positioning are provided on the circuit board assemblies
Hole is inserted into the positioning column, and epoxy resin is filled in the gap between the location hole and positioning column.
Further, electric connector has been further included, the electric connector includes internal terminal and external terminal, the electricity
The end set of road plate component has welding hole, and the internal terminal is interspersed in the welding hole and is welded and fixed by solder.
Further, ceramic contact pin is fixedly installed in the optical connector, the ceramic contact pin has to be connected with exterior light
Connect the light end face of device cooperation.
Further, there is boss on the pedestal, the bottom of the circuit board assemblies is provided with heat dissipation bonding pad, the heat dissipation
Pad is correspondingly arranged with the lug boss position.
Further, the accommodating cavity for housing electric connector is provided on the pedestal, the side of the accommodating cavity is set
It is equipped with the opening stretched out convenient for optical connector.
There are advantages below and good effect for the utility model：
The utility model proposes a kind of optical module, including upper casing, pedestal, circuit board assemblies, optical connector, lens, optical fiber
With for fixing the fixing piece of the optical fiber, circuit board assemblies are fixed on pedestal, and electricity is provided on the circuit board assemblies
Chip assembly and optical chip component, lens are fixed on circuit board assemblies and one end is coupled with electrical chip component, optical chip component,
The other end is fixedly connected with fixing piece, and fixing piece is fixed on circuit board assemblies, is connected between fixing piece and optical connector
Optical fiber, optical connector part are located in the pedestal, and upper clamshell is buckled on pedestal to be fixedly connected with the pedestal.By this reality
Realize that light is converted using lens-optical fiber-optical connector with novel optical module, fiber lengths can be according to module actual size
Adjustment, it is versatile, the size of optical module can be reduced；Using the optical assembly composite structure, optical link loss is small, coupling efficiency energy
Reach 80%, improve the rate of optical module.
Description of the drawings
Fig. 1 is the structural exploded view of the utility model optical module；
Fig. 2 is the circuit board assemblies structure diagram of the utility model optical module；
Fig. 3 is that the circuit board assemblies of the utility model optical module and lens coordinate structure diagram；
Fig. 4 is the clip structure diagram of the utility model optical module；
Fig. 5 is the optical connector of the utility model optical module and the structure diagram of lens cooperation；
Fig. 6 is the partial sectional view of the utility model optical module.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to the accompanying drawings and detailed description, this
Utility model proposes a kind of embodiment of optical module, with reference to shown in Fig. 1-Fig. 6, including upper casing 1, pedestal 2, circuit board assemblies 3,
Optical connector 4, lens 5, optical fiber 6 and the fixing piece 7 for fixing the optical fiber 6, circuit board assemblies 3 are fixed on pedestal 2, tool
Body, positioning column 21 is provided on the pedestal 2, location hole 34 is provided on the circuit board assemblies 3, the location hole 34 is inserted
In the positioning column 21, filled with epoxy resin, fixed electricity in the gap between the location hole 34 and positioning column 21
Road plate group 3, at the same be additionally provided with boss 22 on the pedestal 2, the bottom of the circuit board assemblies 3 is provided with heat dissipation bonding pad, institute
It states heat dissipation bonding pad to be correspondingly arranged with 22 position of boss, 22 position of boss, size are corresponding with circuit board assemblies 3, ensure module
Heat dissipation.
Electrical chip component 31 and optical chip component 32, electrical chip component 31, optical chip group are provided on circuit board assemblies 3
Part 32 is fixed on by adhesive on circuit board assemblies 3, and is realized by electric wire and be electrically connected with circuit board assemblies 3；
Lens 5 be fixed on the circuit board assemblies 3 and in the present embodiment of one end i.e. front end and the electrical chip component 31,
32 butt coupling of optical chip component, the other end, that is, rear end are fixedly connected with the fixing piece 7, to realize lens 5 and fixing piece 7
Connection fix, have slot in 5 end set of lens, be provided on the fixing piece 7 and plug protrusion, the lens 5 with
The fixing piece 7 coordinates plugged and fixed by plugging protrusion and slot, realizes that positioning all around is fixed.
Further to realize that the positioning between fixing piece 7 and lens 5 is fixed, a clip 8 is further included in the present embodiment, it is described
Clip 8 is pressed on the top surface of the lens 5 and fixing piece 7 and one end is fastened on 5 front end of lens, and one end is fastened on described
The rear end of fixing piece 7 can effectively reduce technology difficulty, and improve the reliability of light path.
Preferably, the clip 8 includes entity plate 81 and is arranged on the arc card that 81 both sides of entity plate are bent downward
Hook 82, the entity plate 81 and the arc hook 82 are integrally formed part.
The optical fiber 6 is connected between the fixing piece 7 and the optical connector 4, fixing piece 7 is fixed on the circuit
On plate component 3, it is mainly used for realizing the fixation to optical fiber 6, optical fiber plug-in opening is provided on fixing piece 7, optical fiber 6 passes through gluing
Knot is fixed on fixing piece 7, and optical connector 4 is connect again with optical fiber 6, and 4 part of optical connector is located in pedestal 2, specifically, institute
The accommodating cavity being provided on pedestal 2 for housing optical connector 4 is stated, the side of the accommodating cavity is provided with convenient for optical connector 4
The opening of stretching.The cover of upper casing 1 is buckled on pedestal 2 after optical connector 4 inserts in place is fixedly connected with pedestal 2, specifically, pedestal 2
It is fixed together with upper casing 1 by screw.
Further, electric connector 9 has been further included, the electric connector 9 includes internal terminal and external terminal, described
The end set of circuit board assemblies 3 has welding hole 33, and the internal terminal is interspersed in the welding hole 33 and is welded by solder
Fixed, the external terminal of the electric connector 9 is connect with external circuit；
Further, ceramic contact pin is fixedly installed in the optical connector 4, the ceramic contact pin has to be connected with exterior light
The light end face of device cooperation is connect, external optical connector can coordinate with the light end face of the ceramic contact pin, realize the light connects of module.
The specific assembling process of optical module is in the present embodiment：
Electric connector 9, circuit board assemblies 3 are welded as a whole by solder and welding hole pre-determined bit；It will by adhesive
Electrical chip component 31, optical chip component 32 are fixed on circuit board assemblies 3, and connect electric wire realization and the electricity of circuit board assemblies 3
Connection.The boss 22 that 2 bands of heat dissipation bonding pad and pedestal are arranged at 3 bottom of circuit board assemblies contacts, and reduces the thermal resistance of module, realizes module
The normal work of high-temperature region.
Lens 5 are fixed on circuit board assemblies 3 by optical coupling technology and UV glue；Pass through location hole 34 and positioning column 21
Cooperation pre-determined bit circuit board assemblies 3, in the gap of the two fill epoxy resin and fix the circuit board assemblies 3, ensure circuit
The reliability of plate component 3；
Clip 8 after completing the coupling of lens 5 and fixing, is caught in by clip 8, and machinery is pre- to fasten fixing piece 7, reduces solid
Determine the difficulty of 7 adhesion process of part.Meanwhile reduce whole glue thickness, increase rigidity, for ensureing overall lens 5- fixing pieces
The integraty of 7 components, and improve the reliability of light path.
The optical assembly of one end fixing piece 7, one end optical connector 4, centre are connected by optical fiber 6.Light group in the present embodiment
Part structure realizes light conversion using 4 structure of lens 5- optical fiber 6- optical connectors, and 6 length of optical fiber can be according to module actual size tune
It is whole, it is versatile, the module of different optical port forms, such as tail-fiber type module and inserting module are can operate with, it can be according to demand
Shorten 6 length of optical fiber, reduce the size of entire optical module.In addition, effect is coupled compared with using OSA lens arrangements in the prior art
Rate is high, and coupling efficiency can reach 80%, improve the operating rate of optical module.
Above example is only to illustrate the technical solution of the utility model rather than is limited；Although with reference to before
Embodiment is stated the utility model is described in detail, it for those of ordinary skill in the art, still can be right
Technical solution recorded in previous embodiment modifies or carries out equivalent replacement to which part technical characteristic；And these
Modifications or substitutions, the utility model technical solution claimed that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of optical module, which is characterized in that including upper casing, pedestal, circuit board assemblies, optical connector, lens, optical fiber and be used for
The fixing piece of the fixed optical fiber, the circuit board assemblies are fixed on the pedestal, are provided on the circuit board assemblies
Electrical chip component and optical chip component, the lens are fixed on the circuit board assemblies and one end and the electrical chip component,
Optical chip component couples, and the other end is fixedly connected with the fixing piece, and the fixing piece is fixed on the circuit board assemblies,
The optical fiber is connected between the fixing piece and the optical connector, the optical connector part is located in the pedestal,
The upper clamshell is buckled on the pedestal and is fixedly connected with the pedestal.
2. optical module according to claim 1, which is characterized in that the lens end is provided with slot, the fixing piece
On be provided with and plug protrusion, the lens are with the fixing piece by plugging protrusion and slot cooperation plugged and fixed.
3. optical module according to claim 2, which is characterized in that further include a clip, the clip is pressed on described
On the top surface of mirror and fixing piece and one end is fastened on the lens front, and one end is fastened on the rear end of the fixing piece.
4. optical module according to claim 3, which is characterized in that the clip includes entity plate and is arranged on the ontology
The arc hook that plate both sides are bent downward, the entity plate and the arc hook are integrally formed part.
5. optical module according to claim 1, which is characterized in that positioning column, the circuit board are provided on the pedestal
Location hole is provided on component, the location hole is inserted into the positioning column, between the location hole and positioning column between
Epoxy resin is filled in gap.
6. optical module according to claim 1, which is characterized in that further included electric connector, the electric connector includes
There are internal terminal and external terminal, the end set of the circuit board assemblies has welding hole, and the internal terminal is interspersed in described
It is welded and fixed in welding hole by solder.
7. optical module according to claim 1, which is characterized in that ceramic contact pin is fixedly installed in the optical connector,
The ceramic contact pin has the light end face coordinated with external optical connector.
8. optical module according to claim 1, which is characterized in that have boss, the circuit board assemblies on the pedestal
Bottom is provided with heat dissipation bonding pad, and the heat dissipation bonding pad is correspondingly arranged with the lug boss position.
9. optical module according to claim 1, which is characterized in that be provided with to house electric connector on the pedestal
Accommodating cavity, the side of the accommodating cavity are provided with the opening stretched out convenient for optical connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898861.1U CN207586483U (en) | 2017-12-29 | 2017-12-29 | A kind of optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898861.1U CN207586483U (en) | 2017-12-29 | 2017-12-29 | A kind of optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586483U true CN207586483U (en) | 2018-07-06 |
Family
ID=62740551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721898861.1U Active CN207586483U (en) | 2017-12-29 | 2017-12-29 | A kind of optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207586483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114077019A (en) * | 2020-08-18 | 2022-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| US12066670B2 (en) | 2020-08-18 | 2024-08-20 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
-
2017
- 2017-12-29 CN CN201721898861.1U patent/CN207586483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114077019A (en) * | 2020-08-18 | 2022-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| US12066670B2 (en) | 2020-08-18 | 2024-08-20 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 266100 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 399 Patentee after: Qingdao Xinghang Photoelectric Technology Co.,Ltd. Address before: 266104 in the investment service center of Beizhai sub district office, beizhaike community, Laoshan District, Qingdao City, Shandong Province Patentee before: HISENSE & JONHON OPTICAL-ELECTRICAL TECHNOLOGIES Co.,Ltd. |
|
| CP03 | Change of name, title or address |