CN208156254U - Tunable receiving end shell and receiving end component based on NGPON2 technology - Google Patents
Tunable receiving end shell and receiving end component based on NGPON2 technology Download PDFInfo
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- CN208156254U CN208156254U CN201820459357.XU CN201820459357U CN208156254U CN 208156254 U CN208156254 U CN 208156254U CN 201820459357 U CN201820459357 U CN 201820459357U CN 208156254 U CN208156254 U CN 208156254U
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Abstract
The utility model relates to fields of light devices, and in particular to apply the optical device in second generation PON technology.Propose tunable receiving end shell and receiving end component based on NGPON2 technology, receiving end shell is internally provided with the position for placing tunable filter, condenser lens and single channel TO encapsulation pipe receivers, and good light passing can be carried out between each cavity of enclosure interior, by can be carried out wavelength selection after device needed for installing, it realizes and the received purpose of multichannel can be completed using a light-receiving component, advantageously reduce cost, message capacity is improved, is laid the foundation for next generation's PON technology.Tunable receiving end component is the light-receiving component based on above-mentioned housing design, by being coupled for 0 ° of filter and the components such as adjustable EATLON filter and condenser lens, realizes the purpose using light-receiving component multichannel light ready to receive.
Description
Technical field
The utility model relates to fields of light devices, and in particular to apply the optical device in second generation PON technology.
Background technique
With the development of technology, 10GPON is just gradually to the NGPON2 of larger capacity, wider coverage area, more high energy efficiency
(Next Generation Passive Optical Network Stage 2, next-generation passive optical access network second stage)
Evolution.10GPON technical application is single channel laser device at present, and receiving end generally uses the light-receiving of TO encapsulating structure
Component, and NGPON2 technical characterstic is can to increase channel capacity and raising switch speed, the single channel of existing 10GPON technology
Signal receives the demand that certainly will not be able to satisfy next-generation PON technology, therefore designs one kind and can satisfy the reception of multichannel optical signal
And lower-cost receiving end component is technical problem urgently to be resolved in NGPON2 Technique Popularizing and application.
Utility model content
To solve problems of the prior art, the utility model proposes the receiving ends being exclusively used in NGPON2 technology
Shell and component, receiving end shell use Seal Design, built-in a variety of devices, and delicate structure can satisfy multichannel light letter
Number received demand；Based on the receiving end component of above-mentioned receiving end shell design, is realized and adopted by the thermal tuning of filter
With the purpose of light-receiving component multichannel light ready to receive.
To achieve the above object, the technical solution adopted in the utility model is：Tunable reception based on NGPON2 technology
End housing, including：It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, and described first is logical
0 ° of filter plate is fixed at unthreaded hole；
With the cavity for being located at enclosure interior, the cavity is respectively the first cavity, the second cavity and third chamber from top to bottom
Body, first cavity are provided with lead, the lead is by first for placing wavelength tuning device on the side wall of the first cavity
For the internal stretch of cavity to containment portion, it is logical that the bottom plate center of first cavity offers second opposite with the first light hole
Unthreaded hole；It is isolated between second cavity and the first cavity using light passing glass capsulation；The third cavity and the second cavity
Connectivity part is used for fixed focus lenses, and the third cavity is for placing light receiving element.
The lead is by glass solder sealing welding on the side wall of the first cavity.
The bottom plate of first cavity uses Tungsten-copper Composites.
The shell is integrally machined molding using kovar alloy or tungsten copper.
The size of the shell is Φ 6.6*5.6mm.
It also proposed the tunable receiving end component based on NGPON2 technology using above-mentioned shell, including：
It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, first light hole
Place is fixed with 0 ° of filter plate；
With the cavity for being located at enclosure interior, the cavity is respectively the first cavity, the second cavity and third chamber from top to bottom
Body is pasted with tunable filter component on the bottom plate of first cavity, is provided with lead on the side wall of first cavity, institute
Lead is stated by the internal stretch of the first cavity to containment portion, the circuit lead of the tunable filter component is bound by gold thread
To the lead of inside cavity, first well floor center offers second light hole opposite with the first light hole；Institute
It states and is sealed off between the second cavity and the first cavity using transparent glass；The connectivity part of the third cavity and the second cavity is solid
Surely there is condenser lens, the third cavity is for placing light receiving element.
The tunable filter component includes the thermoelectric cooler being mounted in the first well floor, is mounted on the thermoelectricity
The EATLON filter of refrigerator upper surface and be mounted on EATLON filter upper surface thermistor, the thermoelectricity system
Light hole is had on cooler, and the light hole is opposite with the first light hole.
The lead is by glass solder sealing welding on the side wall of the first cavity.
The cover board is by laser welding or parallel seam welding sealing welding in case top.
The size of the shell is Φ 6.6*5.6mm.
The utility model is to how solve in NGPON2 technology by single channel optical receiver reception multichannel light letter
Number the technical issues of.Tunable receiving end shell delicate structure, simple process in the utility model and low in cost, have with
Lower advantage：
（1）Using Seal Design, cover board is welded by laser welding or parallel seam welding technology；
（2）Shell is integrally designed using kovar alloy and tungsten-copper alloy, and thermal conductivity is good, reduces power consumption；
（3）Receive housing section reserved tunable filter installation site, for place the installation site of condenser lens with
And the position for placing single channel TO encapsulation pipe receivers, and good light passing can be carried out between each cavity of enclosure interior,
By can be carried out wavelength selection after device needed for installing, realizing and multichannel reception can be completed using a light-receiving component
Purpose, advantageously reduce cost, improve message capacity, lay the foundation for next generation's PON technology；
（4）Shell dimension design is only Φ 6.6*5.6mm, is advantageously implemented Miniaturization Design encapsulation, can be applied to
BOSA, Triplxer etc. provide premise technology for next generation PON.
The tunable receiving end component of the utility model is the light-receiving component based on above-mentioned housing design, is advantageously reduced
Cost improves message capacity, has the following advantages that：
（1）Multi-center selection only can be realized with a reception chip to receive；
（2）Inside and outside electrical connection is realized by lead connection, and component internal mounts thermoelectric cooler and thermistor, can be real
Existing effect temperature control, component are built-in with 0 ° of degree filter plate and ETALON filter, can achieve wavelength selection purpose；
（3）Enclosure interior mounts condenser lens, is convenient for coupled outside light receiving element；
（4）Cover board uses seam weld technology, and entire component is encapsulated using housing seal, be can be applied under adverse circumstances；
（5）Shape smallerization, size are only Φ 6.6*5.6mm, meet optic communication device module protocol standard；
（6）Thermoelectric cooler uses design with holes, and entire component has good light passing effect.
Detailed description of the invention
Fig. 1 is the sectional view of receiving end shell in the utility model；
Fig. 2 is receiving end shell topology view in the utility model；
Fig. 3 is the sectional view of housing cover；
Fig. 4 is the topology view of housing cover；
Fig. 5 is the overall structure figure of shell；
Fig. 6 is the cross-sectional view of receiving end component in the utility model.
In figure：1- cover board, 2- shell, the first light hole of 3-, 4-0 ° of filter plate, the first cavity of 5-, the second cavity of 6-, 7-
Three cavitys, 8- glass solder, 9- lead, the first well floor of 10-, the second light hole of 11-, the flat glass pane of 12-, 13- temperature-sensitive electricity
Resistance, 14-EATLON filter, 15- thermoelectric cooler, 16- condenser lens.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
Embodiment one：
Tunable receiving end shell based on NGPON2 technology as shown in Figs. 1-5, including cover board 1 and shell 2.Cover board 1
By laser welding or parallel seam welding sealing welding in 2 top of shell, 1 center of cover board offers the first light hole 3, the first light passing
It is fixed with 0 ° of filter plate 4 at hole 3, plays light passing and wavelength selection purpose, passband is on required wavelength.The size of shell is
Φ 6.6*5.6mm, shell are integrally designed using kovar alloy or tungsten copper, and thermal conductivity is good, reduce power consumption.
Inside shell 2 be cavity, cavity from top to bottom be respectively the first cavity 5, the second cavity 6 and third cavity 7, first
Cavity 5 is provided with 6 leads 9 for placing wavelength tuning device on the side wall of first cavity 5, lead 9 is from the first cavity 5
Internal stretch is to containment portion, and for internal circuit to be connected with external circuit, lead 9 is existed by 8 sealing welding of glass solder
The side wall of first cavity 5, glass solder 8 play fixed and sealing function.First well floor 10 uses Tungsten-copper Composites, heat dissipation effect
Fruit is good.First well floor, 10 center offers the second light hole 11 corresponding with 3 hole of the first light passing, and the second light hole 11 is
Clear opening, to transmit optical path；It is sealed off between second cavity 6 and the first cavity 5 using flat glass pane 12, flat glass pane 12
By playing the role of sealing light passing in glass solder welding on the inner wall of the housing；The connectivity part of third cavity 7 and the second cavity 6
Aperture is used for fixed focus lenses, to converge to optical path, the intracorporal light receiving element of third chamber is made to obtain higher light
Electric current, third cavity 7 are used to couple the light receiving element of TO encapsulation, can be fixed on cavity TO shell is received by injecting glue
Interior, the diameter of third cavity 7 is 5.3mm, a height of 1.6mm, is suitable for routine TO and encapsulates, considers focal length problem, third cavity 7
Height design and the selection of condenser lens needs are used cooperatively.
Embodiment two：
Tunable receiving end component as shown in FIG. 6 based on NGPON2 technology, including cover board 1 and shell 2.Cover board 1 is logical
Laser welding or parallel seam welding sealing welding are crossed in 2 top of shell, 1 center of cover board offers the first light hole 3, the first light hole
It is fixed with 0 ° of filter plate 4 at 3, plays light passing and wavelength selection purpose, passband is on required wavelength.The size of shell is Φ
6.6*5.6mm, shell are integrally designed using kovar alloy or tungsten copper, and thermal conductivity is good, reduce power consumption.
Inside shell 2 be cavity, cavity from top to bottom be respectively the first cavity 5, the second cavity 6 and third cavity 7, first
Well floor 10 uses Tungsten-copper Composites, and good heat dissipation effect is pasted with thermoelectric cooler 15, ETALON filter in the first well floor 10
Wave device 14 is attached in thermoelectric cooler 15 by elargol, and thermistor 13 is attached on EATLON filter 14 with elargol.First chamber
10 center of body bottom plate offers the second light hole 11 corresponding with 3 hole of the first light passing, and the second light hole 11 is clear opening, thermoelectricity
With light hole on refrigerator 15, and the light hole is communicated with the second light hole, convenient for transmission optical path.The side of first cavity 5
It is provided with 6 leads 9 on wall, the circuit lead of thermoelectric cooler and thermistor is tied to the lead of inside cavity by gold thread
On 9, lead 9 is connected from the internal stretch of the first cavity 5 to containment portion, by internal circuit with external circuit, and lead 9 passes through glass
For 8 sealing welding of glass solder in the side wall of the first cavity 5, glass solder 8 plays fixed and sealing function.Second cavity 6 and first
It is sealed off between cavity 5 using flat glass pane 12, flat glass pane 12 is welded on the inner wall of the housing by glass solder, is played close
Seal light passing effect.Third cavity 7 is fixedly installed with condenser lens 16, condenser lens with the opening of the second cavity 6 being connected
16, for converging to optical path, make in third cavity 7 light receiving element obtain higher photoelectric current.Third cavity 7 is used for
The light receiving element of TO encapsulation is coupled, can be fixed in the cavity TO shell is received by injecting glue, the diameter of third cavity 7 is
5.3mm, a height of 1.6mm are suitable for routine TO and encapsulate, and consider focal length problem, height design and the condenser lens of third cavity 7
Selection needs to be used cooperatively.
Claims (10)
1. the tunable receiving end shell based on NGPON2 technology, it is characterised in that：Including：
It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, consolidates at first light hole
Surely there is 0 ° of filter plate；
With the cavity for being located at enclosure interior, the cavity is respectively the first cavity, the second cavity and third cavity, institute from top to bottom
The first cavity is stated for placing wavelength tuning device, lead is provided on the side wall of the first cavity, the lead is by the first cavity
Internal stretch to containment portion, the bottom plate center of first cavity offers second light passing opposite with the first light hole
Hole；It is isolated between second cavity and the first cavity using light passing glass capsulation；The company of the third cavity and the second cavity
Logical place is used for fixed focus lenses, and the third cavity is for placing light receiving element.
2. the tunable receiving end shell according to claim 1 based on NGPON2 technology, it is characterised in that：The lead
Through glass solder sealing welding on the side wall of the first cavity.
3. the tunable receiving end shell according to claim 1 based on NGPON2 technology, it is characterised in that：Described first
The bottom plate of cavity uses Tungsten-copper Composites.
4. the tunable receiving end shell according to claim 1 based on NGPON2 technology, it is characterised in that：The shell
Molding is integrally machined using kovar alloy or tungsten copper.
5. the tunable receiving end shell according to claim 1 based on NGPON2 technology, it is characterised in that：The shell
Size be Φ 6.6*5.6mm.
6. the tunable receiving end component based on NGPON2 technology, it is characterised in that：Including：
It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, consolidates at first light hole
Surely there is 0 ° of filter plate；
With the cavity for being located at enclosure interior, the cavity is respectively the first cavity, the second cavity and third cavity, institute from top to bottom
It states and is pasted with tunable filter component on the bottom plate of the first cavity, be provided with lead on the side wall of first cavity, it is described to draw
For line by the internal stretch of the first cavity to containment portion, the circuit lead of the tunable filter component is tied to chamber by gold thread
On the lead in internal portion, first well floor center offers second light hole opposite with the first light hole；Described
It is sealed off between two cavitys and the first cavity using transparent glass；The connectivity part of the third cavity and the second cavity is fixed with
Condenser lens, the third cavity is for placing light receiving element.
7. the tunable receiving end component according to claim 6 based on NGPON2 technology, it is characterised in that：It is described adjustable
Filter assembly includes the thermoelectric cooler being mounted in the first well floor, is mounted on the thermoelectric cooler upper surface
EATLON filter and be mounted on EATLON filter upper surface thermistor, light passing is had in the thermoelectric cooler
Hole, and the light hole is opposite with the first light hole.
8. the tunable receiving end component according to claim 6 based on NGPON2 technology, it is characterised in that：The lead
Through glass solder sealing welding on the side wall of the first cavity.
9. the tunable receiving end component according to claim 6 based on NGPON2 technology, it is characterised in that：The cover board
By laser welding or parallel seam welding sealing welding in case top.
10. the tunable receiving end component according to claim 6 based on NGPON2 technology, it is characterised in that：The shell
The size of body is Φ 6.6*5.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820459357.XU CN208156254U (en) | 2018-04-03 | 2018-04-03 | Tunable receiving end shell and receiving end component based on NGPON2 technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820459357.XU CN208156254U (en) | 2018-04-03 | 2018-04-03 | Tunable receiving end shell and receiving end component based on NGPON2 technology |
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| Publication Number | Publication Date |
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| CN208156254U true CN208156254U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820459357.XU Active CN208156254U (en) | 2018-04-03 | 2018-04-03 | Tunable receiving end shell and receiving end component based on NGPON2 technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333695A (en) * | 2018-04-03 | 2018-07-27 | 大连藏龙光电子科技有限公司 | Tunable receiving end shell based on NGPON2 technologies and receiving terminal component |
-
2018
- 2018-04-03 CN CN201820459357.XU patent/CN208156254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333695A (en) * | 2018-04-03 | 2018-07-27 | 大连藏龙光电子科技有限公司 | Tunable receiving end shell based on NGPON2 technologies and receiving terminal component |
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