CN202404282U

CN202404282U - Miniature optical divider

Info

Publication number: CN202404282U
Application number: CN2011203790600U
Authority: CN
Inventors: 邹根龙; 何伟
Original assignee: WUJIANG XINDA TONGXIN TECHNOLOGY Co Ltd
Current assignee: JIANGSU XINDA COMMUNICATION TECHNOLOGY CO., LTD.
Priority date: 2011-09-29
Filing date: 2011-09-29
Publication date: 2012-08-29
Anticipated expiration: 2021-09-29

Abstract

The utility model discloses a miniature optical divider, comprising a housing, a PLC chip positioned in the housing, a first coated optical fiber and a plurality of second coated optical fibers. The housing is also provided with an input terminal for the first coated optical fiber to be passingly arranged and an output terminal for the second coated optical fibers to be passingly arranged. The parts of the first coated optical fiber passing through the input terminal and passing out of the housing, and the parts of the second coated optical fibers passing through the output terminal and passing out of the housing are all sleeved by hollow pipes. The inner terminal of the first coated optical fiber possesses a first bare fiber segment connected to the input terminal of the PLC chip; the inner terminals of the second coated optical fibers possess a plurality of second bare fiber segments connected to the output terminal of the PLC chip; and the position in the housing near the PLC chip is respectively provided with optical fiber arrays for positioning the first bare fiber segment and the second bare fiber segments. According to the optical arrays provided in the utility model, the optical fibers are prevented from bending or fracture caused by an applied pulling force.

Description

Miniature optical branching device

Technical field

The utility model relates to a kind of optical branching device, relates in particular to a kind of miniature optical branching device.

Background technology

Optical branching device is that optical fiber inserts indispensable device, and its effect is mainly played input optical power demultiplexing luminous power is exported.

Existing optical branching device generally all includes housing, housing cover and planar optical waveguide splitter (PLC); Also be provided with input port and output port on the said casing; Said input optical fibre stretches into housing through input port and is connected with the input end of optical branching device module, and said output optical fibre stretches into housing through output port and is connected with the output terminal of optical branching device module.Because the device of unmatchful this fiber orientation in the optical branching device, therefore easy fracture when optical fiber is bent or be applied in pulling force.

Summary of the invention

The utility model purpose is: a kind of miniature optical branching device is provided; It is provided with the fiber array that is used for the second bare fibre section location of the first bare fibre section of first coated fiber and second coated fiber near the position of PLC chip in housing, can prevent that optical fiber is bent or rupture when being applied in pulling force.

The technical scheme of the utility model is: a kind of miniature optical branching device; Comprise housing, be positioned at PLC chip, first coated fiber and many second coated fibers of housing; Also be provided with on the said housing and supply first coated fiber input port that wears and the output port that supplies second coated fiber to wear; Said first coated fiber is located in the part of input port and stretches out the part that the part of housing, said second coated fiber be located in the part of output port and stretch out housing and all is arranged with blank pipe; Said first coated fiber the inner has the first bare fibre section that is connected with the input end of PLC chip; Said second coated fiber the inner has a plurality of second bare fibre sections that are connected with the output terminal of PLC chip, and the position near the PLC chip in the said housing is respectively equipped with the fiber array that is used for the first bare fibre section and second bare fibre section location.

Said fiber array comprises substrate and cover plate; The upper surface of said substrate has the locating slot that supplies the first bare fibre section or the second bare fibre section to be embedded; Said cover plate is pressed in the first bare fibre section or the second bare fibre section in the locating slot, and the intersection that is coated with the interval and the first bare fibre section of said first coated fiber, the intersection that is coated with the interval and the second bare fibre section of second coated fiber pass through first silica stationary respectively between aforesaid substrate and cover plate.

Said housing is pegged graft with the U type stainless steel lower cover that Open Side Down by the U type stainless steel upper cover that Open Side Down and is formed, and these housing both ends are provided with rubber plug respectively, and said input port and output port are formed at respectively on two rubber plugs.

Said PLC chip passes through second silica stationary in enclosure interior.

The utility model has the advantages that:

1. the utility model is provided with the fiber array that is used for the second bare fibre section location of the first bare fibre section of first coated fiber and second coated fiber near the position of PLC chip in housing, can prevent that optical fiber is bent or ruptures when being applied in pulling force.

2. the utility model is provided with the rubber plug that supplies first coated fiber and second coated fiber to wear respectively at said housing both ends; The setting of rubber plug; Can improve the sealing of miniature optical branching device greatly, also first coated fiber and second coated fiber played certain positioning action simultaneously.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the cut-open view of the utility model;

Fig. 2 is that the A of Fig. 1 is to synoptic diagram;

Fig. 3 is that the B of Fig. 1 is to synoptic diagram;

Fig. 4 is the sectional view of the right side fiber array among Fig. 1.

Wherein: 1 housing; 11 input ports; 12 output ports; 13U type stainless steel upper cover; 14U type stainless steel lower cover; 15 rubber plugs;

The 2PLC chip;

3 first coated fibers; 31 first bare fibre sections;

4 second coated fibers; 41 second bare fibre sections;

5 fiber arrays; 51 substrates; 52 cover plates; 53 first silica gel;

6 second silica gel;

7 blank pipes.

Embodiment

Embodiment: extremely shown in Figure 4 like Fig. 1; A kind of miniature optical branching device; Comprise housing 1, be fixed on housing 1 inner PLC chip 2, first coated fiber 3 and many second coated fibers 4 through second silica gel 6; Also be provided with on the said housing 1 and supply first coated fiber 3 input port 11 that wears and the output port 12 that supplies second coated fiber 4 to wear; Said first coated fiber 3 is located in the part of input port 11 and stretches out the part that the part of housing, said second coated fiber 4 be located in the part of output port 12 and stretch out housing and all is arranged with blank pipe 7; Said first coated fiber 3 the inners have the first bare fibre section 31 that is connected with the input end of PLC chip 2; Said second coated fiber 4 the inners have a plurality of second bare fibre sections 41 that are connected with the output terminal of PLC chip 2, and the position near PLC chip 2 in the said housing 1 is respectively equipped with the fiber array 5 that is used for the first bare fibre section 31 and the second bare fibre section, 41 location.

Said fiber array 5 comprises substrate 51 and cover plate 52; The upper surface of said substrate 51 has the locating slot 511 that supplies the first bare fibre section 31 or the second bare fibre section 41 to be embedded; Said cover plate 52 is pressed in the first bare fibre section 31 or the second bare fibre section 41 in the locating slot 511, and the intersection that is coated with the interval and the first bare fibre section 31 of said first coated fiber 3, the intersection that is coated with the interval and the second bare fibre section 41 of second coated fiber 4 are fixed between aforesaid substrate 51 and the cover plate 52 through first silica gel 53 respectively.

Said housing 1 is pegged graft with the U type stainless steel lower cover 14 that Open Side Down by the U type stainless steel upper cover 13 that Open Side Down and is formed, and these housing 1 both ends are provided with rubber plug 15 respectively, and said input port 11 is formed at respectively on two rubber plugs 15 with output port 12.

In the present embodiment, said first coated fiber 3 is one, promptly have 1 first bare fibre section 31, and said second coated fiber 4 has 8, promptly has 8 second bare fibre sections 41.Accordingly, only have a V-arrangement locating slot 511 on the substrate 51 of said left side fiber array 5, then have 8 V-arrangement locating slots 511 on the substrate 51 of right side fiber array 5.

The utility model is provided with the fiber array 5 that is used for the second bare fibre section, 41 location of the first bare fibre section 31 of first coated fiber 3 and second coated fiber 4 near the position of PLC chip 2 in housing 1, can prevent that optical fiber is bent or rupture when being applied in pulling force.

Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.Except that the foregoing description, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.

Claims

1. miniature optical branching device; It is characterized in that: comprise housing (1), be positioned at PLC chip (2), first coated fiber (3) and many second coated fibers (4) of housing (1); Also be provided with the output port (12) that supplies input port (11) that first coated fiber (3) wears and confession second coated fiber (4) to wear on the said housing (1); Said first coated fiber (3) is located in the part of input port (11) and stretches out the part that the part of housing, said second coated fiber (4) be located in the part of output port (12) and stretch out housing and all is arranged with blank pipe (7); Said first coated fiber (3) the inner has the first bare fibre section (31) that is connected with the input end of PLC chip (2); Said second coated fiber (4) the inner has a plurality of second bare fibre sections (41) that are connected with the output terminal of PLC chip (2), and the position near PLC chip (2) in the said housing (1) is respectively equipped with the fiber array (5) that is used for the first bare fibre section (31) and the second bare fibre section (41) location.

2. miniature optical branching device according to claim 1; It is characterized in that: said fiber array (5) comprises substrate (51) and cover plate (52); The upper surface of said substrate (51) has the locating slot (511) that supplies the first bare fibre section (31) or the second bare fibre section (41) to be embedded; Said cover plate (52) is pressed in the first bare fibre section (31) or the second bare fibre section (41) in the locating slot (511), and the intersection that is coated with the interval and the first bare fibre section (31) of said first coated fiber (3), the intersection that is coated with the interval and the second bare fibre section (41) of second coated fiber (4) are fixed between aforesaid substrate (51) and the cover plate (52) through first silica gel (53) respectively.

3. miniature optical branching device according to claim 1 and 2; It is characterized in that: said housing (1) is formed by U type stainless steel upper cover (13) that Open Side Down and U type stainless steel lower cover (14) grafting that Open Side Down; This housing (1) both ends are provided with rubber plug (15) respectively, and said input port (11) and output port (12) are formed at respectively on two rubber plugs (15).

4. miniature optical branching device according to claim 1 and 2 is characterized in that: said PLC chip (2) is fixed on housing (1) inside through second silica gel (6).