CN105158856A - Pluggable optical passive device - Google Patents
Pluggable optical passive device Download PDFInfo
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- CN105158856A CN105158856A CN201510342513.5A CN201510342513A CN105158856A CN 105158856 A CN105158856 A CN 105158856A CN 201510342513 A CN201510342513 A CN 201510342513A CN 105158856 A CN105158856 A CN 105158856A
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- core
- ceramic insertion
- insertion core
- ceramic
- groove
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3881—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using grooves to align ferrule ends
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to a pluggable optical passive device, which comprises a functional component and an outer sleeve, wherein the functional component comprises a compression assembly and an inner sleeve, the outer sleeve and the inner sleeve are matched with each other in an inserted mode and are mutually fixed to form a hollow body which is communicated from the head to the tail, the compression assembly is arranged in the hollow body, and the compression assembly comprises a core piece, a spring, a washer, a clamp spring and a core clamp; the negative terminal H-value size of functional component is a fixed value conforming to IEC61754-42013, when the positive terminal H-value size of the functional component is compressed, the core piece and the core clamp in the compression assembly are of an integrated structure and move in an integral mode, and the negative terminal H-value size of the functional component is kept to be unchanged. According to the pluggable optical passive device provided by the invention, a defect that device indexes are affected by connection coupling mismatch generated when a negative terminal is connected with a connector in the prior art can be completely overcome, and a pluggable optical passive device structure in which the positive terminal H-value size and the negative terminal H-value size are not mutually affected is realized.
Description
Technical field
The present invention relates to a kind of optical device, particularly relate to a kind of pluggable optical passive component structure, the invention belongs to communication field.
Background technology
Along with the development of Fibre Optical Communication Technology, especially the development of Optical Access Network FTTH and PON, miniaturization, low cost, online plug and play is the developing direction of optical passive component, more especially for FTTB, the optical filter of CATV, such as the block device of CATV signal, during FTTH circuit monitoring, be used as the reflection terminal etc. of OTDR signal, also have some pluggable optical attenuators simultaneously, because consumption is very large, so the consideration to cost, install the convenience of operation, just there has been higher requirement the aspects such as volume miniaturization.
A kind of pluggable light wave filter is disclosed in Chinese utility model patent ZL201220510839.6, provide a kind of online plug and play, miniaturization, low cost, optical index stable can plug optical filter, but there is following defect (as shown in Figure 1) in plug web member part wherein: first, the metal adapter sleeve peripheral structure of device inside lacks spring, make to be connected time filtering chipware in internal freedom activity at oedoeagus with connector, can not provide stretch compensation to oedoeagus first ceramic insertion core, the phenomenon that may produce bad connection occurs, second, inner sleeve 3 and core press from both sides 14 for buckle and link together, when oedoeagus (IEC61754-42013 requires that oedoeagus H value is of a size of 7.15mm ~ 7.5mm) the first ceramic insertion core is compressed (when H value size compression is to 6.9mm ~ 7.1mm, ferrule endface pressure is 7.8N ~ 11.8N), move after light filtering chipware entirety, the size of female end H value can be affected, namely female end H value can overflow 6.9mm ~ 7.1mm scope (IEC61754-42013 requires that female end H value is within the scope of 6.9mm ~ 7.1mm) because of the compression of oedoeagus, female end is caused to produce butt coupling mismatch when being connected with connector, thus affect device index.
Summary of the invention
Technical matters to be solved by this invention is, overcome above-mentioned technical matters existing in prior art, there is provided a kind of and fix in device female end the optical device structure that female end H value is of a size of 6.9mm ~ 7.1mm, oedoeagus is by compression time, female end H value size is unaffected and remain unchanged, and meets the requirement of IEC61754-42013.Inner sleeve and core press from both sides as Split type structure, and core folder is integrated with light filtering chipware.Realize thus, the pluggable light passive device structure that oedoeagus H value size and female end H value size are independent of each other.
The technical solution adopted in the present invention is:
A kind of pluggable light passive device, comprise functional part and overcoat, wherein said functional part comprises compression assembly and inner sleeve, described overcoat and described inner sleeve plug to coordinate and be fixed to one another and form the through ducted body in front and back, described compression assembly is arranged in described ducted body, and described compression assembly comprises chipware, spring, packing ring, jump ring and core folder; Described chipware comprises the first ceramic insertion core, the second ceramic insertion core, the first opening ceramic bushing, metal adapter sleeve, the axially docking of wherein said first ceramic insertion core and the second ceramic insertion core, described first opening ceramic bushing is set on the periphery of described first ceramic insertion core and the second ceramic insertion core butt end, and described metal adapter sleeve is set on the periphery of described first opening ceramic bushing; Described chipware to be pressed from both sides with described core by described jump ring and is fixedly connected with; A part of guide-localization of described chipware is sheathed in core folder, the outer race of another part of described chipware is provided with described spring, one end of described spring is spacing by described inner sleeve institute by described packing ring, and the other end of described spring is spacing by the metal adapter sleeve institute on described chipware.
Described overcoat comprises overcoat sun head and the cloudy head of overcoat, and the Side symmetrical of described overcoat sun head is provided with buckle slot; Described inner sleeve side is provided with boss, the first draw-in groove, the second draw-in groove; Described inner sleeve is inner is axially provided with feather key along it; Described boss carries out grafting with the described outer buckle slot put and coordinates; Described metal adapter sleeve is formed with gathering sill, described chipware by the gathering sill on described metal adapter sleeve and described in the interworking put between feather key realize the positioning and guiding of described chipware in described inner sleeve.
Described overcoat sun head and the cloudy head of overcoat meet the SC type joints of optical fibre, the standard interface profile of SC type fiber adapter and size.
The periphery of described second ceramic insertion core is fixed with the second opening ceramic bushing further, the cooperation that described second opening ceramic bushing realizes described chipware and the cloudy head of described overcoat be coupled.
Described packing ring is annular gasket structure, the first card key and the second card key is circumferentially outwards symmetrically arranged with at it, described packing ring is placed between described spring and described core folder in the periphery of described metal adapter sleeve, in the first draw-in groove that described first card key and the second card key are snapped in described inner sleeve respectively and the second draw-in groove, thus by described spring-compressed between the jut and described packing ring of the gathering sill of described metal adapter sleeve.
Described core folder comprises circular dead slot and symmetrically arranged first insertion groove and the second insertion groove on the end periphery of described circular dead slot, and the periphery between described first insertion groove and the second insertion groove is provided with groove; Described packing ring is arranged at described core and presss from both sides in circular dead slot; Described jump ring is U-shaped latch structure, have the first card key and the second card key that be arranged in parallel, the first card key of described jump ring and the second card key are inserted in the first draw-in groove on described metal adapter sleeve and the second draw-in groove respectively by groove, the first insertion groove and the second insertion groove on described core folder.
Described overcoat, inner sleeve and core folder is plastic material, and described spring, packing ring and jump ring are metal material.
The inside of described first ceramic insertion core is axially inserted with the first single-mode fiber along it; The inside of described second ceramic insertion core is axially inserted with the second single-mode fiber along it; Described first opening ceramic bushing in order to by described first ceramic insertion core and the second ceramic insertion core in its axis and the precision-fit of docking on end face, thus make described first single-mode fiber and the second single-mode fiber align on the butt end of described first ceramic insertion core with described second ceramic insertion core and accurately be coupled, the light signal transmitted in described first single-mode fiber and described second single-mode fiber can mutually be transmitted expeditiously on end face coupled to each other.
Can be placed with function element further between the butt end of described first ceramic insertion core and described second ceramic insertion core, the thickness of described function element is in the transmission direction not changing light signal between described first ceramic insertion core and described second ceramic insertion core; Described function element can be one or more in light filter plate, optical attenuator, optoisolator, optical lens.
The female end H value of described functional part is of a size of the definite value meeting IEC61754-42013 specification, when the oedoeagus H value size of described functional part is compressed, chipware in described compression assembly and core folder are structure as a whole and move integrally, and the female end H value size of described functional part keeps immobilizing.
The present invention has following advantages:
Pluggable light passive device structure of the present invention, can overcome the shortcoming of prior art completely, realizes the pluggable light passive device structure that oedoeagus H value size and female end H value size are independent of each other.
Accompanying drawing explanation
Fig. 1 is SC type pluggable light passive device structure functional part schematic diagram in prior art;
Fig. 2 is SC type pluggable light passive device structure assembly structure schematic diagram of the present invention;
Fig. 3 a is jacket structure outside drawing of the present invention;
Fig. 3 b is jacket structure cut-open view of the present invention;
Fig. 4 a is inner sleeve structural perspective of the present invention;
Fig. 4 b is interior nested structure cut-open view of the present invention
Fig. 4 c is interior nested structure left view of the present invention;
Fig. 5 a is metal connecting jacket structure stereographic map of the present invention;
Fig. 5 b is metal connecting jacket structure cut-open view of the present invention;
Fig. 6 is gasket construction stereographic map of the present invention;
Fig. 7 is clip spring structure stereographic map of the present invention;
Fig. 8 a is core clamping structure stereographic map of the present invention;
Fig. 8 b is core clamping structure outside drawing of the present invention;
Fig. 9 is light filtering chipware structural representation of the present invention;
Figure 10 is compression assembly construction profile figure of the present invention;
Figure 11 is functional part construction profile figure of the present invention;
Figure 12 is ceramic insertion core structural perspective of the present invention.
Wherein:
1: the first single-mode fiber; 2: overcoat;
3: inner sleeve; 4: metal adapter sleeve;
5: spring; 6: packing ring;
7: the second single-mode fibers; 8: the first ceramic insertion cores;
9: light filtering chipware; 10: function element;
11: the first opening ceramic bushings; 12: jump ring;
13: the second opening ceramic bushings; 14: core presss from both sides;
15: the second ceramic insertion cores;
2-1: overcoat sun head; 2-2: the cloudy head of overcoat;
2-3: gathering sill;
3-1: boss; 3-2: draw-in groove 1;
3-3: draw-in groove 2; 3-4: feather key;
4-1: draw-in groove 1; 4-2: gathering sill;
4-3: draw-in groove 2;
6-1: card key 1; 6-2: card key 2;
12-1: card key 1; 12-2: card key 2;
14-1: circular dead slot; 14-2: insertion groove 1;
14-3: groove; 14-4: insertion groove 2;
Embodiment
Provide specific embodiment below in conjunction with accompanying drawing, introduce the implementation of pluggable light passive device structure of the present invention further for SC type pluggable light wave filter.
As shown in Figure 2, pluggable light wave filter of the present invention, include the inner sleeve 3 that is positioned at incident light side and the overcoat 2 with inner sleeve 3 grafting, described overcoat 2 is placed in the outside of inner sleeve 3, described overcoat 2 coordinates one to form with inner sleeve 3 by grafting, ducted body through before and after described overcoat 2 and inner sleeve 3 inside are axially formed by docking, is provided with light filtering chipware 9, spring 5, packing ring 6, jump ring 12, second opening ceramic bushing 13 and core folder 14 in the ducted body that this docking is formed.
Described light filtering chipware 9 as shown in Figure 2 and Figure 9, includes: the first ceramic insertion core 8, and the inside of described first ceramic insertion core 8 is axially inserted with the first single-mode fiber 1 along it; Second ceramic insertion core 15, described second ceramic insertion core 15 docks with the first ceramic insertion core 8, and the inside of described second ceramic insertion core 15 is axially inserted with the second single-mode fiber 7 along it; The periphery of the butt end of described first ceramic insertion core 8 and the second ceramic insertion core 15 is arranged with the first opening ceramic bushing 11 further.
Described first opening ceramic bushing 11 is in order to realize described first ceramic insertion core 8 with the second ceramic insertion core 15 in its axis and the precision-fit of docking on end face, thus make described first single-mode fiber 1 and the second single-mode fiber 7 align on the butt end of described first ceramic insertion core 8 with described second ceramic insertion core 15 and accurately be coupled, the light signal transmitted in the first single-mode fiber 1 and the second single-mode fiber 7 can mutually be transmitted expeditiously on end face coupled to each other, namely can be transferred to the second single-mode fiber 7 from the first single-mode fiber 1 expeditiously and the first single-mode fiber 1 can be transferred to from the second single-mode fiber 7 expeditiously.
On the periphery of described first opening ceramic bushing 11, cover has metal adapter sleeve 4, by bonded adhesives secure bond between described metal adapter sleeve 4 and the first opening ceramic bushing 11.Point adhesive curing between described metal adapter sleeve 4 and described first opening ceramic bushing 11 carries out in heating process, the mobility of bonded adhesives can be increased thus, make bonded adhesives be full of the adapted space of metal adapter sleeve 4 and the first opening ceramic bushing 11, reach the object of cure package.
Overcoat 2 as shown in Figure 3 a-3b, comprises overcoat sun head 2-1 and the cloudy head 2-2 of overcoat, and the Side symmetrical of overcoat sun head 2-1 is provided with buckle slot 2-3.Second opening ceramic bushing 13 is fixed on the periphery of described second ceramic insertion core 15, described second ceramic insertion core 15 is built in the ducted body of described core folder 14, the cooperation that described second opening ceramic bushing 13 realizes light filtering chipware 9 (as shown in Figure 2 and Figure 9) and overcoat the moon head 2-2 be coupled.
Inner sleeve 3 as depicted in figure 4 a-4 c, is provided with boss 3-1, draw-in groove 3-2, draw-in groove 3-3 in its side; Axially feather key 3-4 is provided with therein along it; Described boss 3-1 carries out grafting with the buckle slot 2-3 (as shown in figure 3b) on described overcoat 2 and coordinates, and thus fixing (as shown in Figure 2).
Metal adapter sleeve 4 is as shown in Fig. 5 a-5b, and metal adapter sleeve 4 is metallic cylinder sleeve structure, the periphery of its one end is symmetrically arranged with draw-in groove 4-1, draw-in groove 4-3; The periphery of the other end is formed with multiple jut, forms gathering sill 4-2 between jut, the feather key 3-4 (as illustrated in fig. 4 c) in described gathering sill 4-2 and inner sleeve 3 carries out interworking.As illustrated in fig. 4 c, inner sleeve 3 is symmetrically arranged with two feather key 3-4, as shown in Figure 5 a, metal adapter sleeve 4 is formed with equally distributed 4 gathering sill 4-2,4 gathering sill 4-2 are relative between two.Described smooth filtering chipware 9 (as shown in Figure 9) realizes positioning and guiding by the interworking in the gathering sill 4-2 on described metal adapter sleeve 4 and inner sleeve 3 between feather key 3-4.
Described spring 5 is placed on the periphery (as shown in Figure 5 a) of the metal adapter sleeve 4 of light filtering chipware 9 (as shown in Figure 2 and Figure 9), near the gathering sill 4-2 direction in metal adapter sleeve 4.
Packing ring 6 as shown in Figure 6, for annular gasket structure, circumferentially card key 6-1 and card key 6-2 is outwards symmetrically arranged with at it, preferably circumferentially be provided with a breach at it, make to make the radial direction of annularly pad between card key 6-1 and card key 6-2 certain change in location can occur, to carry out buckle installation by the distortion of annular gasket structure.Described packing ring 6 is placed between spring 5 and core folder 14 (as shown in Figure 2) in the periphery of metal adapter sleeve 4, in the draw-in groove 3-2 that described card key 6-1 and card key 6-2 is snapped in inner sleeve 3 respectively and draw-in groove 3-3, thus described spring 5 is compressed between the jut of metal adapter sleeve 4 and described packing ring 6.
Jump ring 12 as shown in Figure 7, is U-shaped latch structure, has the card key 12-1 and card key 12-2 that be arranged in parallel.
Core folder 14 as shown in Figure 8 a-8b, comprises circular dead slot 14-1 and be symmetrically arranged with insertion groove 14-2 and insertion groove 14-4 on the periphery of the end of circular dead slot 14-1, the periphery between insertion groove 14-2 and insertion groove 14-4 is provided with groove 14-3.Described packing ring 6 is placed in core and presss from both sides in 14 circular dead slot 14-1 (as shown in Figure 8 a), light filtering chipware 9 (as shown in Figure 9) and core press from both sides 14 compress to spring 5 direction simultaneously time, the card key 12-1 in jump ring 12 and card key 12-2 (as shown in Figure 7) is pressed from both sides groove 14-3, insertion groove 14-2 in 14 and insertion groove 14-4 (as figures 8 a and 8 b show) by core and inserts respectively in two side bayonet slot 4-1 in metal adapter sleeve 4 and draw-in groove 4-3 (as shown in Figure 5 b).Light filtering chipware 9 (as shown in Figure 9), spring 5, packing ring 6, jump ring 12 press from both sides 14 with core and jointly form compression assembly (as shown in Figure 10) thus, realize fixing female end H value simultaneously and are of a size of definite value.Described compression assembly (as shown in Figure 10) carries out interworking by the gathering sill 4-2 in metal adapter sleeve 4 and the feather key 3-4 in inner sleeve 3, this structure achieves the positioning and guiding to light filtering chipware 9 (as shown in Figure 9), in the draw-in groove 3-2 that the card key 6-1 of the packing ring 6 simultaneously and card key 6-2 is snapped in inner sleeve 3 respectively and draw-in groove 3-3, realize spring 5 to be thus compressed between metal adapter sleeve 4 and packing ring 6, be positioned at the ducted body of inner sleeve 3.
When ceramic insertion core 8 end face is under pressure, under the elastic force effect of spring 5 compression assembly (as shown in Figure 10) can in inner sleeve 3 Free Compression, thus form functional part as shown in figure 11 together with inner sleeve 3.
The female end H value of functional part (as shown in figure 11) is of a size of definite value, require H value to be set as between 6.9mm ~ 7.1mm according to IEC61754-42013, nominal value 7.0mm, when oedoeagus H value size (IEC61754-42013 requires that oedoeagus H value is of a size of 7.15mm ~ 7.5mm) is compressed (when H value size compression is to 6.9mm ~ 7.1mm, ferrule endface pressure is 7.8N ~ 11.8N), light filtering chipware 9 (as shown in Figure 9) in compression assembly (as shown in Figure 10) and core folder 14 are structure as a whole after entirety and move, female end H value size immobilizes, achieve female end H value size not by the impact of oedoeagus compression, thus reach the object of structural design.
The SC type pluggable light wave filter of the miniaturization after overall assembling, in device use procedure, the overcoat sun head 2-1 in overcoat 2 is connected with SC type fiber adapter, and the cloudy head 2-2 of the overcoat in overcoat 2 is connected with the SC type joints of optical fibre.Light signal can coordinate input optical signal through SC type fiber adapter with overcoat sun head 2-1, also can coordinate input optical signal through the cloudy head 2-2 of the SC type joints of optical fibre and overcoat.
Above-mentioned each parts, overcoat 2, inner sleeve 3 and core folder 14 is plastic material, and spring 5, packing ring 6 and jump ring 12 is metal material.Described overcoat sun head 2-1 and the cloudy head 2-3 of overcoat is the plastic outer part meeting the SC type joints of optical fibre, SC type fiber adapter standard interface size.Described light filtering chipware is the key function element of pluggable light wave filter, for realizing the filter function to input optical signal.
More specifically, described first ceramic insertion core 8 is identical with the structure of the second ceramic insertion core 15, all there is structure as shown in figure 12: the main body of ceramic insertion core is long rod-like structure, inside is axially formed with the through hole running through single-mode fiber, the outer peripheral face that wherein one end of long clavate is positioned at end is formed with grooved bore 8-1, the grooved bore that first ceramic insertion core 8 and the second ceramic insertion core 15 are arranged respectively is all positioned in the inner space of the first opening ceramic bushing 11, bonded adhesives is marked with in described grooved bore 8-1, the first opening ceramic bushing 11 and the fastening force between described first ceramic insertion core 8 and the second ceramic insertion core 15 can be strengthened after overcuring, increase the times of capable of being inserted and pulled out of device, thus make the first ceramic insertion core 8 and the second ceramic insertion core 15 can carry larger contact engaging and separating force, described first ceramic insertion core 8 and the second ceramic insertion core 15 is avoided in use to come off from light filtering chipware 9.
The end face that described first ceramic insertion core 8 and the second ceramic insertion core 15 have the pyramidal structure of one end of grooved bore can be APC face or UPC plane, the angle in APC face is 3 °, 6 °, 12 ° of inclined-planes etc., for reaching different reflection indicatrix, different angle of chamfer angle value can be adopted.The end plane angle of described first ceramic insertion core 8 and the second ceramic insertion core 15 can be set to complementary angle, to achieve a butt joint, as shown in Figure 2 and Figure 9, APC or the UPC end face of described first ceramic insertion core 8 and the second ceramic insertion core 15 by optical coating rete docking (as shown in Figure 9), or adds filter function element 10 (as shown in Figure 2) in the middle of the first ceramic insertion core 8 and the second ceramic insertion core 15.
The first described single-mode fiber 1 and the second single-mode fiber 7 can realize the effective transmission of light signal in optical fiber, first single-mode fiber 1 and the second single-mode fiber 7 realize heat curing respectively by using bonded adhesives in the first ceramic insertion core 8 and the second ceramic insertion core 15, after fiber end face grinding and polishing is held to the B near the first ceramic insertion core 8 and the second ceramic insertion core 15, optical coating is carried out to fiber end face.
The coating process of the optical coating rete on the end face of described first ceramic insertion core 8 and the second ceramic insertion core 15 is: when described first ceramic insertion core 8 carries out plated film, after first single-mode fiber 1 is carried out precuring in the first ceramic insertion core 8, end surface grinding polishing is held to the B of the first ceramic insertion core 8, arranging end face structure is APC or UPC, then carries out optics end face coating; When described second ceramic insertion core 15 carries out plated film, similar fashion is adopted to carry out.Two end plane angles that first ceramic insertion core 8 and the second ceramic insertion core 15 connect are set to complementary angle, to achieve a butt joint.The end face that described first ceramic insertion core 8 and the second ceramic insertion core 15 connect can be coated with optical coating rete simultaneously, and one of them ferrule endface also can be only had to be coated with optical coating rete.Its function of optical coating rete is mainly the effective filtering realizing light signal, reaches the object of optical signal filtering.Namely described optical coating rete can be respectively formed on the end face of the first ceramic insertion core 8 and the second ceramic insertion core 15, or described optical coating rete is only formed on the end face of the first ceramic insertion core 8, or is only formed on the end face of the second ceramic insertion core 15.Or, hold joint at the B of the first ceramic insertion core 8 and the second ceramic insertion core 15, being placed with the function element 10 with filter function, with its thickness when not changing optical signal transmission direction, realizing the filtering of light signal.The A keeping away slotted eye 8-1 of described first ceramic insertion core 8 and the second ceramic insertion core 15 holds end face by grinding and polishing, and end face can be as PC end face, or UPC end face, or APC end face.
Functional part structure (as shown in figure 11) provided by the present invention is as a kind of pluggable light passive device core component structure, may be used for realizing the pluggable structure of SC type under any functional characteristic, except the SC type optical filter described in detail above, SC type optical attenuator can also be realized, the isostructural product of SC type optoisolator, and the pluggable structure of Hermaphrodite can be embodied as, corresponding function element 10 is only needed to replace to optical attenuation sheet, the elements such as optoisolator chipware.The fiber adapter that the positive head of pluggable light passive device is corresponding with the above-mentioned type infrastructure product is connected, and the joints of optical fibre that the cloudy head of pluggable light passive device is corresponding with the above-mentioned type structure are connected.The positive head of pluggable light passive device and cloudy head are corresponding respectively meets national standard corresponding to the above-mentioned type infrastructure product and international standard interface dimensional requirement.
Therefore the invention provides a kind of solution of pluggable light passive device structure, structural design achieves oedoeagus H value size and the non-interference impact in use of female end H value size, the attainable very excellent optical index of this pluggable light passive device structure simultaneously, meet to product encapsulation miniaturization on market, the industry requirement of function i ntegration.
Although the present invention has illustrate and described relevant specific embodiment reference in detail, those skilled in the art should be understood that, not deviating from the spirit and scope of the present invention and can make various change in the form and details.These change the protection domain all will fallen into required by claim of the present invention.
Claims (10)
1. a pluggable light passive device, comprise functional part and overcoat (2), wherein said functional part comprises compression assembly and inner sleeve (3), described overcoat (2) and described inner sleeve (3) plug to coordinate and be fixed to one another and form the through ducted body in front and back, described compression assembly is arranged in described ducted body, it is characterized in that:
Described compression assembly comprises chipware (9), spring (5), packing ring (6), jump ring (12) and core folder (14);
Described chipware (9) comprises the first ceramic insertion core (8), the second ceramic insertion core (15), the first opening ceramic bushing (11), metal adapter sleeve (4), the axially docking of wherein said first ceramic insertion core (8) and the second ceramic insertion core (15), described first opening ceramic bushing (11) is set in described first ceramic insertion core (8) with on the periphery of the second ceramic insertion core (15) butt end, and described metal adapter sleeve (4) is set on the periphery of described first opening ceramic bushing (11);
Described chipware (9) presss from both sides (14) by described jump ring (12) with described core and is fixedly connected with;
A part of guide-localization of described chipware (9) is sheathed in core folder (14), the outer race of another part of described chipware (9) is provided with described spring (5), one end of described spring (5) is spacing by described inner sleeve (3) institute by described packing ring (6), and the other end of described spring (5) is spacing by metal adapter sleeve (4) institute on described chipware (9).
2. a kind of pluggable light passive device as claimed in claim 1, it is characterized in that: described overcoat (2) comprises overcoat sun head (2-1) and the cloudy head (2-2) of overcoat, and the Side symmetrical of described overcoat sun head (2-1) is provided with buckle slot (2-3); Described inner sleeve (3) side is provided with boss (3-1), the first draw-in groove (3-2), the second draw-in groove (3-3); Described inner sleeve (3) is inner is axially provided with feather key (3-4) along it; Described boss (3-1) carries out grafting with the buckle slot (2-3) on described overcoat (2) and coordinates; Described metal adapter sleeve (4) is formed with gathering sill (4-2), and described chipware (9) realizes the positioning and guiding of described chipware (9) in described inner sleeve (3) by the gathering sill (4-2) on described metal adapter sleeve (4) and the interworking between the upper feather key (3-4) of described inner sleeve (3).
3. a kind of pluggable light passive device as claimed in claim 2, is characterized in that: described overcoat sun head (2-1) and overcoat the moon head (2-2) meet the SC type joints of optical fibre, the standard interface profile of SC type fiber adapter and size.
4. a kind of pluggable light passive device as claimed in claim 2, it is characterized in that: the periphery of described second ceramic insertion core (15) is fixed with the second opening ceramic bushing (13) further, the cooperation that described second opening ceramic bushing (13) realizes described chipware (9) and the cloudy head (2-2) of described overcoat be coupled.
5. a kind of pluggable light passive device as claimed in claim 2, it is characterized in that: described packing ring (6) is annular gasket structure, the first card key (6-1) and the second card key (6-2) is circumferentially outwards symmetrically arranged with at it, the periphery that described packing ring (6) is positioned at described metal adapter sleeve (4) is placed between described spring (5) and described core folder (14), in the first draw-in groove (3-2) that described first card key (6-1) and the second card key (6-2) are snapped in described inner sleeve (3) respectively and the second draw-in groove (3-3), between the jut thus described spring (5) being compressed in the gathering sill (4-2) of described metal adapter sleeve (4) and described packing ring (6).
6. a kind of pluggable light passive device as claimed in claim 5, it is characterized in that: described core folder (14) comprises circular dead slot (14-1) and symmetrically arranged first insertion groove (14-2) and the second insertion groove (14-4) on the end periphery of described circular dead slot (14-1), and the periphery between described first insertion groove (14-2) and the second insertion groove (14-4) is provided with groove (14-3); Described packing ring (6) is arranged in described core folder (14) circular dead slot (14-1); Described jump ring (12) is U-shaped latch structure, have the first card key (12-1) and the second card key (12-2) that be arranged in parallel, first card key (12-1) of described jump ring (12) and the second card key (12-2) groove (14-3), the first insertion groove (14-2) and the second insertion groove (14-4) pressed from both sides by described core on (14) is inserted in the first draw-in groove (4-1) on described metal adapter sleeve (4) and the second draw-in groove (4-3) respectively.
7. a kind of pluggable light passive device according to any one of claim 1-6, it is characterized in that: described overcoat (2), inner sleeve (3) and core folder (14) are plastic material, and described spring (5), packing ring (6) and jump ring (12) are metal material.
8. a kind of pluggable light passive device according to any one of claim 1-7, is characterized in that: the inside of described first ceramic insertion core (8) is axially inserted with the first single-mode fiber (1) along it; The inside of described second ceramic insertion core (15) is axially inserted with the second single-mode fiber (7) along it; Described first opening ceramic bushing (11) in order to by described first ceramic insertion core (8) and the second ceramic insertion core (15) in its axis and the precision-fit of docking on end face, thus make described first single-mode fiber (1) and the second single-mode fiber (7) align on the butt end of described first ceramic insertion core (8) with described second ceramic insertion core (15) and accurately be coupled, the light signal transmitted in described first single-mode fiber (1) with described second single-mode fiber (7) can mutually be transmitted expeditiously on end face coupled to each other.
9. a kind of pluggable light passive device according to any one of claim 1-8, it is characterized in that: can be placed with function element (10) further between described first ceramic insertion core (8) and the butt end of described second ceramic insertion core (15), the thickness of described function element (10) is in the transmission direction not changing light signal between described first ceramic insertion core (8) and described second ceramic insertion core (15); Described function element can be one or more in light filter plate, optical attenuator, optoisolator, optical lens.
10. a kind of pluggable light passive device as claimed in any one of claims 1-9 wherein, it is characterized in that: the female end H value of described functional part is of a size of the definite value meeting IEC61754-42013 specification, when the oedoeagus H value size of described functional part is compressed, chipware (9) in described compression assembly and core folder (14) are structure as a whole and move integrally, and the female end H value size of described functional part keeps immobilizing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342513.5A CN105158856B (en) | 2015-06-19 | 2015-06-19 | Pluggable optical passive device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342513.5A CN105158856B (en) | 2015-06-19 | 2015-06-19 | Pluggable optical passive device |
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| Publication Number | Publication Date |
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| CN105158856A true CN105158856A (en) | 2015-12-16 |
| CN105158856B CN105158856B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510342513.5A Active CN105158856B (en) | 2015-06-19 | 2015-06-19 | Pluggable optical passive device |
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| CN (1) | CN105158856B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108072936A (en) * | 2016-11-11 | 2018-05-25 | 日本航空电子工业株式会社 | Connector |
| CN109521531A (en) * | 2018-12-20 | 2019-03-26 | 深圳长飞智连技术有限公司 | Tube-through type pre-terminated wire jumper and tube-through type preterminated cable attachment device |
| CN113625397A (en) * | 2021-06-29 | 2021-11-09 | 武汉联特科技股份有限公司 | Detachable optical fiber adapter and optical device |
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| US20030095780A1 (en) * | 2001-11-21 | 2003-05-22 | Yao-Hao Chang | Optical attenuator |
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| CN109521531B (en) * | 2018-12-20 | 2024-03-29 | 长芯盛(武汉)科技股份有限公司 | Tube penetrating type pre-terminated jumper wire and tube penetrating type pre-terminated optical cable connecting device |
| CN113625397A (en) * | 2021-06-29 | 2021-11-09 | 武汉联特科技股份有限公司 | Detachable optical fiber adapter and optical device |
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|---|---|
| CN105158856B (en) | 2017-05-24 |
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