CN201273946Y - Single fiber bi-direction three-terminal transceiving component arrangement - Google Patents
Single fiber bi-direction three-terminal transceiving component arrangement Download PDFInfo
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- CN201273946Y CN201273946Y CNU2008201475559U CN200820147555U CN201273946Y CN 201273946 Y CN201273946 Y CN 201273946Y CN U2008201475559 U CNU2008201475559 U CN U2008201475559U CN 200820147555 U CN200820147555 U CN 200820147555U CN 201273946 Y CN201273946 Y CN 201273946Y
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- receiving
- port transmitting
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Abstract
The utility model provides a single fiber bidirectional tri-port sending and receiving component device, comprising a monofiber connector, a first filter, a second filter, a digital receiving component, an analog receiving component and an emitting component. The digital receiving component, the analog receiving component and the emitting component are arranged corresponding to the first filter and the second filter on the same plane, and a dual inline structure is formed. The metal electrode of the upward input electrical signal and the metal electrode of the downward digital receiving and analog receiving electrical signal are arranged on the same plane and the same direction by the single fiber bidirectional tri-port sending and receiving component device, and therefore, the target of dual inline structure can be realized, which makes the whole component have simple fabrication process, compacted structure, small volume and low cost. The utility model is suitable for the automatic and batch production of the optical mode manufacturers.
Description
Technical field
The utility model relates to light transmitting-receiving subassembly field, particularly about a kind of single fiber bi-directional three port transmitting-receiving subassembly devices that can be used for FTTH (Fiberto the home) system.
Background technology
As shown in Figure 1, on the market current, the single fiber bi-directional three port transmitting-receiving subassemblies 10 of the common usefulness of optical communication complete-system vendor comprise that one is used for the monofiber connector 12 that transmitted in both directions is carried out in input and output, burst light emission component 11 as first port, simulate first optical fiber receive module 13 as second port, second optical fiber receive module, 14, the first filter plates 15 and second filter plate 16 as the digital received of the 3rd port.
Wherein monofiber connector 12 is imported the second and the 3rd light signal λ 1, λ 2, light signal λ 1 is received by first optical fiber receive module 13 after by 15 total reflections of first filter plate, light signal λ 2 through after 15 transmissions of first filter plate again through second filter plate, 16 reflection backs by 14 receptions of second optical fiber receive module.Simultaneously, the light signal λ 3 of light emission component 11 emissions is exported by monofiber connector 12 after filter plate 15,16 transmissions.Single fiber bi-directional three ports of this structure receive/send out that modular construction adopts is in the Can that the laser instrument of the TO-CAN encapsulation of discrete component formula and optical receiver and film filter (filter) are encapsulated in, electric signal input and output terminal is welded on the module PCB by 90 ° of curved transitions of flexible board by the metal electrode in three directions in same plane then, the result causes bringing complicated attachment process and manufacturing cost to module makers, is unfavorable for that module makers reaches the purpose that mounts automatically fully.
As shown in Figure 2, in order to overcome above shortcoming, industry has proposed a kind of PLC (slab guide connection) type single fiber bi-directional three port transmitting-receiving subassemblies 200 and has comprised planar optical waveguide silicon optical bench 210, the joints of optical fibre 220, the first optical receiver Rx1 230, the second light-receiving Rx2 240, first groove 214, the first film wave filter (filter) 250, the second grooves, 215, the second film filters (filter) 260 and optical transmitting set Tx 270.
In said structure, first groove 214 and second groove 215 are arranged at the surface of silicon optical bench 210, and first wave filter and second wave filter are fixed in first groove 214 and second groove 215 by adhesion process respectively.The single fiber bi-directional three port transmitting-receiving subassemblies 200 of this structure all are integrated in the surface of a PLC chip with optical transmitting set, optical receiver and film filter, and its principle of work is as follows:
1),, the first downlink optical signal λ 1 inputs to silicon optical bench 210 when being coupled by single fiber 220, after optical waveguide 211 transfers to 250 total reflections of first wave filter, transfer to the first optical receiver Rx1 230 through optical waveguide 212 and receive, and convert this light signal λ 1 to electric signal output.
2),, the second downlink optical signal λ 2 inputs to silicon optical bench 210 when being coupled by single fiber 220, after optical waveguide 211 transfers to first wave filter, 250 total transmissivities, be incident to again second wave filter 260 by its total reflection after optical waveguide 213 transfers to the second optical receiver Rx2 240 receives, and convert this downlink optical signal λ 2 to electric signal output.
3), by the uplink optical signal λ 3 of optical transmitting set Tx 270 emission through optical waveguide 216 successively transfer to second and first wave filter 260,250 and by its total transmissivity after, transfer to single fiber 220 outputs through optical waveguide 211 again.
But the making apparatus input of the silicon optical bench of PLC type single fiber bi-directional three a ports receipts/assembly of this integrated form is expensive, causes production cost higher thereby manufacture craft is complicated, is unfavorable for reducing manufacturing cost.
The utility model content
The utility model is in order to overcome above-mentioned the deficiencies in the prior art, and the utility model provides a kind of single fiber bi-directional three port transmitting-receiving subassembly devices of dual inline type.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of single fiber bi-directional three port transmitting-receiving subassembly devices are provided, it comprises monofiber connector 102, first wave filter 105, second wave filter 106, digital received assembly 120, simulation receiving unit 130 and emitting module 110, described digital received assembly, simulation receiving unit and emitting module be this first wave filter 105 and 106 settings of second wave filter relatively, and setting forms the dual-in-line structure at grade.
The scheme that the utility model solves further technical matters is: the angle axial at 45 of described first wave filter 105 and second wave filter, 106 relative these monofiber connectors 102 is provided with.
The scheme that the utility model solves further technical matters is: described emitting module 110 comprises: the laser instrument 112 used of emission light signal, converge the collimating apparatus 113 that the emission light signal uses and the direct insertion electrode 111 of metal of external electric signal input.
The scheme that the utility model solves further technical matters is: described digital received assembly 120 comprises: the receiving device 122 that receives descending digital optical signal, converge the collimating apparatus 123 that descending digital optical signal is used, wave filter 124 that the descending digital optical signal of transmission 1490nm is used and the direct insertion electrode 121 of electric signal output metal.
The scheme that the utility model solves further technical matters is: described receiving device 122 comprises trans-impedance amplifier and filter capacitor.
The scheme that the utility model solves further technical matters is: described simulation receiving unit 130 comprises: receive the receiving device 132 that descending analog optical signal is used, converge to wave filter 134 and the direct insertion electrode 131 of electric signal output metal that this collimating apparatus 132 used for descending analog optical signal and the descending analog optical signal of a transmission 1550nm are used.
The scheme that the utility model solves further technical matters is: the collimating apparatus 113 of described emitting module 110 and the wave filter of digital received assembly 120 124 relative these first wave filters 105 are provided with, and wave filter 134 relative second wave filters 106 of simulation receiving unit 130 are provided with.
The scheme that the utility model solves further technical matters is: described laser instrument, and collimating apparatus, receiving device, the wave filter setting is at grade.
The scheme that the utility model solves further technical matters is: described digital received assembly 120, the direct insertion electrode setting of simulation receiving unit 130 and emitting module 110 at grade.
Compared to prior art, single fiber bi-directional three port transmitting-receiving subassembly devices of the present utility model are by all being arranged on the metal electrode of up input electrical signal and the metal electrode of descending digital received and simulation reception electric signal on the conplane same direction, so just reached the purpose of dual inline type structure, make the manufacture craft of whole assembly simple, the compact conformation volume is little, cost is low, is applicable to the robotization mass production of optical module manufacturer.
Description of drawings
Fig. 1 is the structural representation of single fiber bi-directional three port assemblies of the prior art.
Fig. 2 is the structural representation of another single fiber bi-directional three port assemblies of the prior art.
Fig. 3 is the structural representation of single fiber bi-directional three port transmitting-receiving subassembly devices of the present utility model.
Fig. 4 and Fig. 5 are the packaging effect synoptic diagram of single fiber bi-directional three port transmitting-receiving subassembly devices of the present utility model.
Embodiment
Following content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
See also Fig. 3 to Fig. 5, the utility model provides a kind of single fiber bi-directional three port transmitting-receiving subassembly devices 100, and it comprises: the monofiber connector 102 that is used for transmitted in both directions, wave filter 105,106, digital received assembly 120, simulation receiving unit 130 and emitting module 110.
The left and right corner setting at 45 of described wave filter 105,106 relative these monofiber connector 102 axis.
Described emitting module 110 comprises: the laser instrument 112, used of emission light signal converges the collimating apparatus 113 that the emission light signal uses and the direct insertion electrode 111 of metal of an external electric signal input.Described direct insertion electrode 111, laser instrument 112 and collimating apparatus 113 are installed successively.
Described digital received assembly 120 comprises: one receives the receiving device 122, that contains a trans-impedance amplifier and a filter capacitor that descending digital optical signal uses converges wave filter 124 and the direct insertion electrode 121 of electric signal output metal that collimating apparatus 123 that descending digital optical signal uses and the descending digital optical signal of a transmission 1490nm are used.Described direct insertion electrode 121, receiving device 122, collimating apparatus 123 and wave filter 124 are installed successively.
Described simulation receiving unit 130 comprises: one receives receiving device 132, that descending analog optical signal uses converges to a wave filter 134 and the electric signal that this collimating apparatus 133 of using for descending analog optical signal and the descending analog optical signal of a transmission 1550nm use and exports the direct insertion electrode 131 of metal.Described direct insertion electrode 131, receiving device 132, collimating apparatus 133 and wave filter 134 are installed successively.
Described collimating apparatus 113 and wave filter 124 relative first wave filters 105 are provided with, and wave filter 134 relative second wave filters 106 are provided with.
Single fiber bi-directional three port transmitting-receiving subassembly devices of the present utility model are respectively with the laser instrument 112 and the collimating apparatus 113 of ballistic device 110, the receiving device 122 of digital received assembly 120, collimating apparatus 123 and wave filter 124, receiving device 132, collimating apparatus 133, wave filter 134 and direct insertion electrode 111,121,131, all adopt the surface mounting technology setting at grade, in the shell of load map 4.
When the upstream digital electric signal adds to ballistic device 112 through pin one 11, ballistic device 112 converts the electrical signal to light signal 104 λ 1, after collimation lens 113 converges, be coupled into monofiber connector 102 through behind the wave filter 105 and 106, thereby finish the purpose of uplink optical signal transmission.
When descending analog optical signal 103 λ 2 through 45 ° of wave filter 106 total reflections, then after 0 ° of wave filter 134 filtering, after converging, collimation lens 133 is coupled into analog optical signal receiving device 132 again, receiving device 132 converts light signal to electric signal, through direct insertion metal electrode 131 electric signal is transferred to external circuits more at last.
Instantly line number word light signal 103 λ 3, after seeing through wave filter 106, through 45 ° of wave filter 105 total reflections, then after 0 ° of wave filter 124 filtering, after converging, collimation lens 123 is coupled into digital optical signal receiving device 122 again, receiving device 122 converts light signal to electric signal, through direct insertion metal electrode 121 electric signal is transferred to external circuits more at last.
Single fiber bi-directional three port transmitting-receiving subassembly devices of the present utility model are by all being arranged on the metal electrode of up input electrical signal and the metal electrode of descending digital received and simulation reception electric signal on the conplane same direction, so just reached the purpose of dual inline type structure, make the manufacture craft of whole assembly simple, the compact conformation volume is little, cost is low, is applicable to the robotization mass production of optical module manufacturer.
Claims (9)
1. single fiber bi-directional three port transmitting-receiving subassembly devices, it is characterized in that: it comprises monofiber connector (102), first wave filter (105), second wave filter (106), digital received assembly (120), simulation receiving unit (130) and emitting module (110), described digital received assembly, simulation receiving unit and emitting module be this first wave filter and the second wave filter setting relatively, and setting forms the dual-in-line structure at grade.
2. single fiber bi-directional three port transmitting-receiving subassembly devices according to claim 1 is characterized in that: described first wave filter and second the wave filter axial 45 ° of left and right sides angles of this monofiber connector relatively are provided with.
3. single fiber bi-directional three port transmitting-receiving subassembly devices according to claim 1, it is characterized in that: described emitting module (110) comprising: the laser instrument (112) used of emission light signal, converge the collimating apparatus (113) that the emission light signal uses and the direct insertion electrode of metal (111) of external electric signal input.
4. single fiber bi-directional three port transmitting-receiving subassembly devices according to claim 1, it is characterized in that: described digital received assembly (120) comprising: the receiving device (122) that receives descending digital optical signal, converge the collimating apparatus (123) that descending digital optical signal is used, wave filter (124) that the descending digital optical signal of transmission 1490nm is used and the electric signal output direct insertion electrode of metal (121).
5. single fiber bi-directional three port transmitting-receiving subassembly devices according to claim 4, it is characterized in that: described receiving device (122) comprises trans-impedance amplifier and filter capacitor.
6. single fiber bi-directional three port transmitting-receiving subassembly devices according to claim 1, it is characterized in that: described simulation receiving unit (130) comprising: receive the receiving device (132) that descending analog optical signal is used, converge to wave filter (134) and the electric signal output direct insertion electrode of metal (131) that collimating apparatus (133) that this descending analog optical signal uses and the descending analog optical signal of a transmission 1550nm are used.
7. according to claim 3,4,6 any described single fiber bi-directional three port transmitting-receiving subassembly devices, it is characterized in that: the collimating apparatus (113) of described emitting module (110) and the wave filter (124) of digital received assembly this first wave filter (105) relatively are provided with, and relative second wave filter of wave filter (134) (106) of simulation receiving unit (130) is provided with.
8. single fiber bi-directional three port transmitting-receiving subassembly devices according to claim 6 is characterized in that: described laser instrument, and collimating apparatus, receiving device, the wave filter setting is at grade.
9. according to claim 3,4,6 any described single fiber bi-directional three port transmitting-receiving subassembly devices, it is characterized in that: described digital received assembly, the direct insertion electrode setting of simulation receiving unit and emitting module at grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201475559U CN201273946Y (en) | 2008-09-19 | 2008-09-19 | Single fiber bi-direction three-terminal transceiving component arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201475559U CN201273946Y (en) | 2008-09-19 | 2008-09-19 | Single fiber bi-direction three-terminal transceiving component arrangement |
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| Publication Number | Publication Date |
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| CN201273946Y true CN201273946Y (en) | 2009-07-15 |
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| CNU2008201475559U Expired - Fee Related CN201273946Y (en) | 2008-09-19 | 2008-09-19 | Single fiber bi-direction three-terminal transceiving component arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730657A (en) * | 2015-04-03 | 2015-06-24 | 武汉电信器件有限公司 | Double-optical-port transceiving device |
| CN113364481A (en) * | 2021-05-13 | 2021-09-07 | 成都联帮微波通信工程有限公司 | Millimeter wave transceiving component processing technology |
| CN114384650A (en) * | 2020-10-22 | 2022-04-22 | 广东海信宽带科技有限公司 | Optical module |
-
2008
- 2008-09-19 CN CNU2008201475559U patent/CN201273946Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730657A (en) * | 2015-04-03 | 2015-06-24 | 武汉电信器件有限公司 | Double-optical-port transceiving device |
| CN104730657B (en) * | 2015-04-03 | 2017-01-04 | 武汉电信器件有限公司 | A kind of double light mouth transceiving device |
| CN114384650A (en) * | 2020-10-22 | 2022-04-22 | 广东海信宽带科技有限公司 | Optical module |
| CN114384650B (en) * | 2020-10-22 | 2023-09-15 | 广东海信宽带科技有限公司 | Optical module |
| CN113364481A (en) * | 2021-05-13 | 2021-09-07 | 成都联帮微波通信工程有限公司 | Millimeter wave transceiving component processing technology |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20130919 |