CN205123748U - Compact radio frequency light emission module - Google Patents
Compact radio frequency light emission module Download PDFInfo
- Publication number
- CN205123748U CN205123748U CN201520845253.9U CN201520845253U CN205123748U CN 205123748 U CN205123748 U CN 205123748U CN 201520845253 U CN201520845253 U CN 201520845253U CN 205123748 U CN205123748 U CN 205123748U
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- radio frequency
- circuit board
- laser
- light emission
- emission module
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Abstract
The utility model relates to a compact radio frequency light emission module, including the casing and install laser instrument and the circuit board in the casing, the outside of casing is equipped with power source and radio frequency connector, the circuit board includes range upon range of setting and each other discontiguous laser drive circuit board and radio frequency microstrip circuit board, be equipped with on the casing and go out fine mouthful with the corresponding optic fibre of the tail optical fiber of laser instrument, the radio frequency input pin of laser instrument is linked together through the connector microstrip line of the radio frequency microstrip line of setting on radio frequency microstrip circuit board with the radio frequency connector, the signal pin and the laser drive circuit board of laser instrument are linked together. The utility model discloses an upper and lower double -deck printed circuit board structure has broken through traditional plane formula design, has expanded three -dimensional cubical space to, has not only reduced the shared area of planar design effectively, and furthest has utilized cubical space moreover to reduce the volume and the weight of module greatly, realized the miniaturized design of radio frequency light emission module.
Description
Technical field
The utility model relates to fiber optic communication field, is specifically related to a kind of compact radio frequency light emission module.
Background technology
The drive circuit of existing radio frequency light emission module generally adopts rigid circuit board to make, but due to the restriction of rigid circuit board physical characteristic, the design of drive circuit board can not jump the limitation of conventional planar design, make board area larger, not only increase the difficulty of module inner plane layout, and make the volume and weight of module can not get effectively reducing.
But under optical fiber telecommunications system modularization, miniaturized trend, the radio frequency light emission module of traditional structure can not meet the requirement of the miniaturization of products and system integration.
Utility model content
The purpose of this utility model is to provide a kind of compact radio frequency light emission module, reduces the volume and weight of module, achieves radio frequency light emission module Miniaturization Design.
For achieving the above object, the utility model have employed following technical scheme: comprise housing and the laser that is arranged in housing and circuit board, the outside of described housing is provided with power interface and radio frequency connector, described circuit board comprises stacked setting and non-touching drive circuit for laser plate and radio frequency microstrip circuit board, described housing is provided with the optical fiber outlet corresponding with the tail optical fiber of laser, the radio frequency input pin of described laser is connected with the connector microstrip line of radio frequency connector by being arranged on the radio frequency microstrip line on radio frequency microstrip circuit board, the signal pins of described laser is connected with drive circuit for laser plate.
Described drive circuit for laser plate and radio frequency microstrip circuit board are U-shaped structure, and its corner place is respectively equipped with via hole, be spaced from each other and be fixed on drain pan between described drive circuit for laser plate and the via hole of radio frequency microstrip circuit board by column.
Described radio frequency microstrip circuit board is positioned at the top of drive circuit for laser plate, and the signal pins of described laser is welded with drive circuit for laser plate mutually by lead-in wire.
Described housing is metal material manufacture, and described drive circuit for laser plate and radio frequency microstrip circuit board and housing are not in contact with each other.
Correspondingly on described cap and laser be provided with the screw be bolted with drain pan.
As shown from the above technical solution, radio frequency light emission module described in the utility model, adopt Dual-layer printed circuit board arrangement, breach traditional planar designs, expand three-dimensional space to, not only efficiently reduced the area shared by planar design, and farthest make use of solid space, thus greatly reduce the volume and weight of module, achieve radio frequency light emission module Miniaturization Design.
Accompanying drawing explanation
Fig. 1 is the housing fabric schematic diagram of the utility model radio frequency light emission module;
Fig. 2 is drive circuit board and the laser mounting structure schematic diagram of the utility model radio frequency light emission module;
Fig. 3 is micro belt board and the laser mounting structure schematic diagram of the utility model radio frequency light emission module;
Fig. 4 is the internal structure stereogram of the utility model radio frequency light emission module;
Fig. 5 is the cutaway view of the utility model radio frequency light emission module.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, 2, 3, the compact radio frequency light emission module of the present embodiment, the laser 2 comprising metal shell 1 and be arranged in housing 1 and circuit board, this metal shell 1 can not only be conducive to laser 2 and dispels the heat and make this radio frequency light emission module have good mechanical performance and environmental adaptability.Be provided with power interface 11 and radio frequency connector 7 in the outside of housing 1, wherein, the column 71 of leading of radio frequency connector 7 is embedded in housing 1 outer wall, and it is fixing to realize with housing 1 by screw and bolt.This circuit board comprises stacked setting and non-touching drive circuit for laser plate 31 and radio frequency microstrip circuit board 32, housing 1 is provided with the optical fiber outlet 12 corresponding with the tail optical fiber 21 of laser 2, export to realize laser 2 tail optical fiber, the tail optical fiber 21 of this laser 2 realizes the light signal output of laser and the connection with rear class photoelectric device.
As shown in Figure 4,5, there is pad post 113 in four, the bottom corner of housing 1, respectively to prevent the contact of circuit board and housing bottom.Bottom housing 1, interposition is equipped with four for installing the installation screw 115 of laser 2, realizes the fixing of laser 2.The radio frequency input pin 22 of laser 2 is connected with the connector microstrip line 71 of radio frequency connector 7 by being arranged on the radio frequency microstrip line 321 on radio frequency microstrip circuit board 32, and the signal pins 23 of laser 2 is connected with drive circuit for laser plate 31.
Drive circuit for laser plate 31 and radio frequency microstrip circuit board 32 are U-shaped structure, and its corner place is respectively equipped with via hole, be spaced from each other and be fixed on drain pan 13 between the via hole of drive circuit for laser plate 31 and radio frequency microstrip circuit board 32 by column 4.In the present embodiment, radio frequency microstrip circuit board 32 is positioned at the top of drive circuit for laser plate 31, and the signal pins 23 of laser 2 is welded mutually with drive circuit for laser plate 31 by lead-in wire 5 and is communicated with.Housing 1 is made up of the drain pan 13 of upper end open and the cap 14 that is positioned at drain pan 13 opening part, cap 14 with laser 2 is respectively equipped with the screw 6 be connected by bolt with drain pan 13.
Compact radio frequency light emission module described in the utility model, breaches traditional planar designs theory, by being split by peripheral circuit, adopting levels structure, having expanded three-dimensional space to from plane.This kind of structural design not only efficiently reduces the area shared by planar design, and farthest make use of solid space, thus greatly reduces the volume and weight of module, achieves radio frequency light emission module Miniaturization Design.Make rf inputs mouth and output side optical fiber to level by radio frequency microstrip circuit board simultaneously, be more conducive to the layout of system, successfully achieve integration and the compact designed of radio frequency light emission module.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (5)
1. a compact radio frequency light emission module, it is characterized in that: comprise housing (1) and the laser (2) that is arranged in housing (1) and circuit board, the outside of described housing (1) is provided with power interface (11) and radio frequency connector (7), described circuit board comprises stacked setting and non-touching drive circuit for laser plate (31) and radio frequency microstrip circuit board (32), described housing (1) is provided with the optical fiber outlet (12) corresponding with the tail optical fiber of laser (2) (21), the radio frequency input pin (22) of described laser (2) is connected with the connector microstrip line (71) of radio frequency connector (7) by being arranged on the radio frequency microstrip line (321) on radio frequency microstrip circuit board (32), the signal pins (23) of described laser (2) is connected with drive circuit for laser plate (31).
2. compact radio frequency light emission module according to claim 1, it is characterized in that: described drive circuit for laser plate (31) and radio frequency microstrip circuit board (32) are U-shaped structure, and its corner place is respectively equipped with via hole, be spaced from each other fixing by column (4) between described drive circuit for laser plate (31) and the via hole of radio frequency microstrip circuit board (32).
3. compact radio frequency light emission module according to claim 1 and 2, it is characterized in that: described radio frequency microstrip circuit board (32) is positioned at the top of drive circuit for laser plate (31), the signal pins (23) of described laser (2) welds connection by lead-in wire (5) mutually with drive circuit for laser plate (31).
4. compact radio frequency light emission module according to claim 1 and 2, is characterized in that: described housing (1) is metal material manufacture, and described drive circuit for laser plate (31) and radio frequency microstrip circuit board (32) are not in contact with each other with housing (1).
5. compact radio frequency light emission module according to claim 1, it is characterized in that: described housing (1) is made up of the drain pan (13) of upper end open and the cap (14) that is positioned at drain pan (13) opening part, and described cap (14) and laser (2) are respectively equipped with the screw (6) be bolted with drain pan (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845253.9U CN205123748U (en) | 2015-10-28 | 2015-10-28 | Compact radio frequency light emission module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845253.9U CN205123748U (en) | 2015-10-28 | 2015-10-28 | Compact radio frequency light emission module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205123748U true CN205123748U (en) | 2016-03-30 |
Family
ID=55579317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520845253.9U Active CN205123748U (en) | 2015-10-28 | 2015-10-28 | Compact radio frequency light emission module |
Country Status (1)
| Country | Link |
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| CN (1) | CN205123748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873191A (en) * | 2018-06-25 | 2018-11-23 | 重庆霓扬科技有限责任公司 | A kind of integrated microwave photon device package casing |
| CN109390648A (en) * | 2018-09-10 | 2019-02-26 | 中国电子科技集团公司第二十九研究所 | A kind of encapsulating structure and method of Multi-channel microwave-light transition components |
| CN112349668A (en) * | 2020-09-28 | 2021-02-09 | 中国电子科技集团公司第二十九研究所 | Broadband radio frequency module structure adopting radio frequency motherboard and design method thereof |
-
2015
- 2015-10-28 CN CN201520845253.9U patent/CN205123748U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873191A (en) * | 2018-06-25 | 2018-11-23 | 重庆霓扬科技有限责任公司 | A kind of integrated microwave photon device package casing |
| CN109390648A (en) * | 2018-09-10 | 2019-02-26 | 中国电子科技集团公司第二十九研究所 | A kind of encapsulating structure and method of Multi-channel microwave-light transition components |
| CN109390648B (en) * | 2018-09-10 | 2020-09-29 | 中国电子科技集团公司第二十九研究所 | Packaging structure and method of multichannel microwave-optical conversion assembly |
| CN112349668A (en) * | 2020-09-28 | 2021-02-09 | 中国电子科技集团公司第二十九研究所 | Broadband radio frequency module structure adopting radio frequency motherboard and design method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |