CN203522746U - Anti-interference type optical module - Google Patents
Anti-interference type optical module Download PDFInfo
- Publication number
- CN203522746U CN203522746U CN201320585112.9U CN201320585112U CN203522746U CN 203522746 U CN203522746 U CN 203522746U CN 201320585112 U CN201320585112 U CN 201320585112U CN 203522746 U CN203522746 U CN 203522746U
- Authority
- CN
- China
- Prior art keywords
- optical module
- wiring board
- interference type
- radome
- type optical
- 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.)
- Expired - Fee Related
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Abstract
An anti-interference type optical module relates to the field of optical modules in optical communication and includes a circuit board having an optical signal receiving portion and an electrical signal amplifying portion. The anti-interference type optical module further includes a shield cover. The shield cover is fixedly disposed above the circuit board and covers the optical signal receiving portion and the electrical signal amplifying portion. The anti-interference type optical module can protect a detector from noise interference and ensure stable operation of the detector, thus ensuring stable signal transmission of the optical module.
Description
Technical field
The utility model relates to optical module field in optical communication, is specifically a kind of anti-interference type optical module.
Background technology
During Fiber to the home at present, the optical module of single fiber is transmitting-receiving integration type, and laser is as transmitting terminal, and detector is as receiving terminal, and the two synthesizes an assembly.And the synthetic assembly of laser and detector is all metal material, when laser is luminous, can produce noise, noise conducts to detector through the synthetic assembly of described metal material, detector is produced to signal to be disturbed, cause detector work to be affected, and then affect the stability of this optical module signal transmission.
Utility model content
For the defect existing in prior art, the purpose of this utility model is to provide a kind of anti-interference type optical module, and the noise jamming of avoiding detector to be subject to guarantees detector steady operation, and then guarantees the stable transfer of optical module to signal.
For reaching above object, the technical scheme that the utility model is taked is: a kind of anti-interference type optical module, comprise wiring board, described wiring board comprises the part of receiving optical signals and the part that the signal of telecommunication amplifies, also comprise radome, described radome is fixedly installed on the top of described wiring board, and described radome is covered in the part of receiving optical signals and the part that the signal of telecommunication amplifies.
On the basis of technique scheme, described radome comprises sidewall and roof, and described roof is provided with a plurality of louvres.
On the basis of technique scheme, the bottom surface of described sidewall is provided with three contact pin pin, and the part that the part of described wiring board receiving optical signals and the signal of telecommunication amplify is provided with three welding holes, and the position of three welding holes is corresponding one by one with the position of described three contact pin pin.
On the basis of technique scheme, the sidewall of described radome is also provided with one for welding the opening of detector.
On the basis of technique scheme, described wiring board and radome common ground.
On the basis of technique scheme, the part that the described signal of telecommunication amplifies comprises the amplifying device that is welded in wiring board, and amplifying device is arranged on the dorsal part of wiring board, and is oppositely arranged with described radome.
On the basis of technique scheme, the material of described radome is copper nickel plating or iron nickel plating.
On the basis of technique scheme, described wiring board also comprises a plurality of signal pins.
The beneficial effects of the utility model are:
1, reduce the interference that detector is subject to, external interference directly directs into the ground connection common with wiring board by radome, thereby reduce signal, disturbs, and further allows anti-interference type optical module interference-free, to signal energy stable transfer.
2,, because radome is metal, again with wiring board common ground, static, by the Shielding Case grounding of metal, plays the effect of electrostatic defending.
3, the part that the signal of telecommunication amplifies comprises the amplifying device that is welded in wiring board (1), and amplifying device can generate heat when work, and heat transfers to the radome of metal, is convenient to heat radiation; And the roof of radome has a plurality of louvres, the heat between radome and wiring board can shed by louvre, does not affect the work of anti-interference type optical module.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment anti-interference type optical module;
Fig. 2 is the schematic rear view of wiring board in Fig. 1.
Reference numeral:
Wiring board 1, welding hole 11, signal pin 12;
Radome 2, sidewall 21, roof 22, louvre 23.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As depicted in figs. 1 and 2, anti-interference type optical module described in the utility model, connecting laser and detector, comprise wiring board 1 and radome 2, wiring board 1 has the light path being connected with laser, and the circuit that amplifies of drive laser, signal that detector is surveyed.Described wiring board 1 also comprises the part of receiving optical signals and the part that the signal of telecommunication amplifies, and radome 2 is fixedly installed on the top of wiring board 1, and described radome 1 is covered in the part of receiving optical signals and the part that the signal of telecommunication amplifies.The part that the described signal of telecommunication amplifies also comprises the amplifying device that is welded in wiring board 1, and amplifying device is arranged on the dorsal part of wiring board 1, and is oppositely arranged across wiring board 1 with radome 2.The part that the part of described wiring board 1 receiving optical signals and the signal of telecommunication amplify is provided with three welding holes 11 jointly, for welding described radome 2.Described wiring board 1 also comprises a plurality of signal pins 12, for being mounted to, needs equipment, and wiring board 1, radome 2 and the three that arranges that will install have common ground connection.
As depicted in figs. 1 and 2, described radome 2 is metallic shield, and material can be copper nickel plating or iron nickel plating.Radome 2 comprises sidewall 21 and roof 22, and its roof 22 shapes are as the criterion with the part that only covers the part of receiving optical signals and the signal of telecommunication and amplify, and sidewall hangs down and 21 perpendicular to roof 22, arranges.The bottom surface of described sidewall 21 is provided with three contact pin pin (not shown), and the position of three contact pin pin is corresponding one by one with the position of described three welding holes 11.Radome 2 inserts in welding hole 11 by contact pin pin, and is welded and fixed wiring board and radome common ground with wiring board 1.The sidewall 21 of described radome 2 is also provided with an opening, is to be the reserved opening of welding detector.The roof 22 of described radome 2 is also provided with a plurality of louvres 23, for better heat radiation.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a utility model or akin technical scheme, all within its protection range.
Claims (8)
1. an anti-interference type optical module, comprise wiring board, described wiring board (1) comprises the part of receiving optical signals and the part that the signal of telecommunication amplifies, it is characterized in that: also comprise radome (2), described radome (2) is fixedly installed on the top of described wiring board (1), and described radome (2) is covered in the part of receiving optical signals and the part that the signal of telecommunication amplifies.
2. anti-interference type optical module as claimed in claim 1, is characterized in that: described radome (2) comprises sidewall (21) and roof (22), and described roof (22) is provided with a plurality of louvres (23).
3. anti-interference type optical module as claimed in claim 2, it is characterized in that: the bottom surface of described sidewall (21) is provided with three contact pin pin, the part that the part of described wiring board (1) receiving optical signals and the signal of telecommunication amplify is provided with three welding holes (11), and the position of three welding holes (11) is corresponding one by one with the position of described three contact pin pin.
4. anti-interference type optical module as claimed in claim 2, is characterized in that: the sidewall (21) of described radome (2) is also provided with one for welding the opening of detector.
5. anti-interference type optical module as claimed in claim 1, is characterized in that: described wiring board (1) and radome (2) common ground.
6. anti-interference type optical module as claimed in claim 1, it is characterized in that: the part that the described signal of telecommunication amplifies comprises the amplifying device that is welded in wiring board (1), amplifying device is arranged on the dorsal part of wiring board (1), and is oppositely arranged with described radome (2).
7. anti-interference type optical module as claimed in claim 1, is characterized in that: the material of described radome (2) is copper nickel plating or iron nickel plating.
8. anti-interference type optical module as claimed in claim 1, is characterized in that: described wiring board (1) also comprises a plurality of signal pins (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585112.9U CN203522746U (en) | 2013-09-22 | 2013-09-22 | Anti-interference type optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585112.9U CN203522746U (en) | 2013-09-22 | 2013-09-22 | Anti-interference type optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522746U true CN203522746U (en) | 2014-04-02 |
Family
ID=50381614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320585112.9U Expired - Fee Related CN203522746U (en) | 2013-09-22 | 2013-09-22 | Anti-interference type optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109154657A (en) * | 2017-11-29 | 2019-01-04 | 深圳市大疆创新科技有限公司 | Detecting devices and moveable platform |
| CN113189721A (en) * | 2021-05-19 | 2021-07-30 | 深圳市爱得乐电子有限公司 | Photoelectric hybrid module |
-
2013
- 2013-09-22 CN CN201320585112.9U patent/CN203522746U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109154657A (en) * | 2017-11-29 | 2019-01-04 | 深圳市大疆创新科技有限公司 | Detecting devices and moveable platform |
| CN113189721A (en) * | 2021-05-19 | 2021-07-30 | 深圳市爱得乐电子有限公司 | Photoelectric hybrid module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20210922 |