CN101968558B - Anti-misplug method for optical connector, optical connector subassembly and optical connector - Google Patents
Anti-misplug method for optical connector, optical connector subassembly and optical connector Download PDFInfo
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- CN101968558B CN101968558B CN2010102983860A CN201010298386A CN101968558B CN 101968558 B CN101968558 B CN 101968558B CN 2010102983860 A CN2010102983860 A CN 2010102983860A CN 201010298386 A CN201010298386 A CN 201010298386A CN 101968558 B CN101968558 B CN 101968558B
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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
- G02B6/3895—Dismountable connectors, i.e. comprising plugs identification of connection, e.g. right plug to the right socket or full engagement of the mating parts
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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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to an optical connector subassembly with anti-misplug indication and an optical connector plug thereof. The optical connector subassembly comprises the optical connector plug and an optical connector adapter which is provided with a plug opening which is used for accommodating the front end of the optical connector plug, the front end of the optical connector plug is provided with a plug section which is matched with the plug opening, a plug information storage chip is fixedly arranged on the optical connector plug, pins of the plug information storage chip are electrically connected with metal conducting pieces, a metal elastic piece which is electrically connected with the metal conducting pieces when being plugged is arranged on the optical connector adapter, the metal elastic piece is used for being electrically connected with the signal input end of a system mainboard, and an indicating lamp is arranged on the optical connector adapter and is used for being electrically connected with the signal output end of the system mainboard. When being plugged, plug information in the plug information storage chip is input into the system mainboard through a metal conducting strip and the metal elastic piece, the indicating lamp works when the information is inosculated, and otherwise, the indicating lamp does not work to prevent the mutual misplug of more than two optical connector subassemblies.
Description
Technical field
The present invention relates to a kind of anti-mis-insertion method of optical connector; The invention still further relates to the optical connector assembly with anti-mis-insertion indication of the prevented optical connector plug misplug that carries identification code on not suitable optical connector adapter of this method of use simultaneously; In addition, the invention still further relates to the optical connector plug of this optical connector assembly.
Background technology
Place at transmitting optical signals such as base stations; Sometimes need a large amount of optical connector plugs be plugged on the optical connector adapter of equipment with transmitting optical signal; General standard light connector assembly has two kinds, and a kind of is the LC connector assembly, comprises LC plug and LC adapter; Another kind is the SC assembly, comprises SC plug and SC adapter.The LC plug is square, and its front end is used for cooperating with the grafting opening of LC adapter a side of LC plug to be provided with front end being fixed on the LC plug, the duplexing clamp that the rear end recedes and overhangs, and the both sides of duplexing clamp all have a projection.The grafting opening of LC adapter and duplexing clamp quota and sidewall on the groove with duplexing clamp quota and clamping is all arranged, LC plug and LC adapter are realized reliably plugging together through duplexing clamp.The SC plug also is square; An one of which side is provided with a protruding key in location; The front end of locating protruding key is an arc, and the rear end is the plane, the SC plug with adjacent two sides, side that the protruding key in location is set on have the clamping window; Be provided with strip clamping convex tendon in the clamping window, the bearing of trend of clamping convex tendon is vertical with the front and back bearing of trend of SC plug.Be symmetrically arranged with two clamping back-offs in the grafting opening of SC adapter; The inner of clamping back-off is fixed in the grafting opening; The rear end of clamping back-off overhangs to the port of grafting opening, and two clamping back-offs are provided with back-off to the inboard of the rear end that the port overhangs, when pegging graft; The clamping back-off is clamped on the clamping convex tendon through the back-off on it, realizes reliably plugging together of SC plug and SC adapter.
Since standard LC plug or the standard SC plug of transmission unlike signal version the same, the optical connector plug that when pegging graft, will transmit unlike signal is easily obscured, and causes to misplug; Because plug is numerous; In case occur mispluging, detect quite difficulty, increase the difficulty of wiring.
Summary of the invention
The object of the present invention is to provide a kind of anti-mis-insertion method of optical connector; The present invention simultaneously also provides a kind of optical connector assembly with anti-mis-insertion indication; To solve the problem of plural optical connector assembly easily mutual wrong plug when plugging together in the prior art; In addition, the present invention also aims to provide the optical connector plug of this optical connector assembly.
For realizing above-mentioned purpose; Optical connector assembly with anti-mis-insertion indication of the present invention adopts following technical scheme: a kind of optical connector assembly with anti-mis-insertion indication; Comprise optical connector plug and optical connector adapter, the optical connector adapter has the grafting opening that holds the optical connector plug front end, and the front end of optical connector plug has the inserting section that cooperates with the grafting opening; Be installed with the plug information storage chip on the described optical connector plug; All be powered with metallic conduction spare on the pin of plug information storage chip, the metallic elastic spare that said optical connector adapter is provided with when pegging graft and metallic conduction spare is electrically connected, metallic elastic spare is used for being electrically connected with the signal input part of system board; Also be provided with pilot lamp on the optical connector adapter, pilot lamp is used for being electrically connected with the signal output part of system board.
Described plug information storage chip is arranged in the printed board; Printed board is fixedly installed on the plug; Said printed board and stationary housing are coated with the strip golden finger on the opposing surface; The strip golden finger forms said metallic conduction spare, and said metallic elastic spare is arranged at grafting opening and printed board and pegs graft on the sidewall that cooperates.
The front end fixed cover of said optical connector plug is provided with stationary housing; The two relative side of stationary housing extends to beyond the outside surface of both adjacent sides; The extension of two sides is provided with plural opening draw-in groove; Have the convexity that cooperates with the opening draw-in groove on the respective side of printed board, the notch place of opening draw-in groove both sides is provided with the interior receipts card edge with protruding clamping.
Said optical connector assembly is the LC connector assembly; Stationary housing and LC plug are provided with on the side that the side of duplexing clamp cooperates has the open slot of dodging of dodging duplexing clamp; Dodge open slot and extend on the rear end face of stationary housing, the two side place that dodges open slot be provided with duplexing clamp both sides on boss after the spacing rear end limited step that cooperates.
Described optical connector assembly is the SC connector assembly; The two sides that stationary housing is corresponding are provided with the opening of dodging of the clamping window of dodging the SC plug; Stationary housing and SC plug are provided with the sidewall that the side of positioning key cooperates and are provided with the open slot of opening towards the rear end; Roof pressure is at the front end of positioning key at the bottom of the front groove of draw-in groove, and the place, opening both sides that dodges of stationary housing is provided with two locking catchings respectively, and the front end of locking claw is fixed on the front end of stationary housing; The rear end of locking claw overhangs backward, and the rear end of locking claw has the tapered end that the end with the clamping convex tendon of SC plug connects and fixes.
Said metallic elastic spare is a metal bullet pin of being arranged to horn shape, and an end of metal bullet pin is fixed on the sidewall of grafting opening and is used for being electrically connected with the input end of system board, and the other end is slidingly arranged in the gathering sill that is opened on the grafting opening sidewalls.
Optical connector with anti-mis-insertion indication of the present invention adopts following technical scheme:
A kind of optical connector with anti-mis-insertion indication; The front end of optical connector plug has and is used for the inserting section that cooperates with the grafting opening of optical connector adapter; Be installed with the plug information storage chip on the described optical connector plug, all be powered with metallic conduction spare on the pin of plug information storage chip.
Described plug information storage chip is arranged in the printed board; Printed board is fixedly installed on the plug; Said printed board and stationary housing are coated with the strip golden finger on the opposing surface; The strip golden finger forms said metallic conduction spare, and said metallic elastic spare is arranged at grafting opening and printed board and pegs graft on the sidewall that cooperates.
The front end fixed cover of said optical connector plug is provided with stationary housing; The two relative side of stationary housing extends to beyond the outside surface of both adjacent sides; The extension of two sides is provided with plural opening draw-in groove; Have the convexity that cooperates with the opening draw-in groove on the respective side of printed board, the notch place of opening draw-in groove both sides is provided with the interior receipts card edge with protruding clamping.
Said optical connector assembly is the LC connector assembly; Stationary housing and LC plug are provided with on the side that the side of duplexing clamp cooperates has the open slot of dodging of dodging duplexing clamp; Dodge open slot and extend on the rear end face of stationary housing, the two side place that dodges open slot be provided with duplexing clamp both sides on boss after the spacing rear end limited step that cooperates.
The anti-mis-insertion method of optical connector of the present invention adopts following technical scheme:
A kind of anti-mis-insertion method of optical connector, this method comprises the steps:
1. at first, on optical connector, fixedly install the plug information storage chip, plug information storage chip internal memory contains the information corresponding to this plug, is powered with electric-conductor on the pin of plug information storage chip; Simultaneously the optical connector adapter is provided with the metallic elastic spare that the signal input part with system board is electrically connected.
2. when pegging graft, electric-conductor and metallic elastic spare are electrically connected, and system board is by reading information in the plug information storage chip; If read information be this information; System board provides the correct indication of pegging graft, otherwise, provide and peg graft wrong indication or do not give indication.
System board provides indication through pilot lamp, pegs graft when correct, and pilot lamp is bright, otherwise pilot lamp does not work.
The technical scheme of the optical connector assembly with anti-mis-insertion indication of the present invention is following:
Be installed with the plug information storage chip on the optical connector plug of the present invention on the optical connector plug, all be powered with metallic conduction spare on the pin of plug information storage chip, the metallic elastic spare that said optical connector adapter is provided with when pegging graft and metallic conduction spare is electrically connected; Metallic elastic spare is used for being electrically connected with the signal input part of system board, also is provided with pilot lamp on the optical connector adapter, and pilot lamp is used for being electrically connected with the signal output part of system board; Plug information in the plug information storage chip is through metallic conduction spare and the input end input of metallic elastic spare by system board; When information is coincide, the signal output part output signal of system board, pilot lamp is bright; Show that grafting is errorless; Otherwise the signal output part of system board is not exported signal, and pilot lamp does not work.This has just prevented when plural SC connector assembly exists, the problem of meeting wrong plug.
Description of drawings
Fig. 1 is the front view of LC plug embodiment 1 of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the stereographic map of LC plug embodiment 1 of the present invention;
Fig. 5 is the front view that is fixed with the printed board of plug information storage chip among Fig. 1;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the upward view of Fig. 5;
Fig. 8 is the stereographic map that is fixed with the printed board of plug information storage chip among Fig. 1;
Fig. 9 is the front view of stationary housing among Fig. 1;
Figure 10 is the left view of Fig. 9;
Figure 11 is the right view of Fig. 9;
Figure 12 is the vertical view of Fig. 9;
Figure 13 is Fig. 9 upward view;
The stereographic map of stationary housing among Figure 14 Fig. 1;
Figure 15 is the front view of the LC adapter of LC connector assembly of the present invention;
Figure 16 is the right view of Figure 15;
Figure 17 is the stereographic map of the LC adapter of LC connector assembly of the present invention;
Figure 18 is the cut-open view of stereographic map of the LC adapter of LC connector assembly of the present invention;
Figure 19 is the front view of SC plug embodiment 2 of the present invention;
Figure 20 is the vertical view of Figure 19;
Figure 21 is the upward view of Figure 19;
Figure 22 is the stereographic map of SC plug embodiment 2 of the present invention;
Figure 23 is the front view that is fixed with the printed board of plug information storage chip among Figure 19;
Figure 24 is the vertical view of Figure 23;
Figure 25 is the upward view of Figure 23;
Figure 26 is the stereographic map that is fixed with the printed board of plug information storage chip among Figure 19;
Figure 27 is the front view of stationary housing among Figure 19;
Figure 28 is the left view of Figure 27;
Figure 29 is the right view of Figure 27;
Figure 30 is the vertical view of Figure 27;
Figure 31 is Figure 27 upward view;
The stereographic map of stationary housing among Figure 32 Figure 19;
Figure 33 is the front view of the SC adapter of SC connector assembly of the present invention;
Figure 34 is the right view of Figure 33;
Figure 35 is the stereographic map of the SC adapter of SC connector assembly of the present invention;
Figure 36 is the cut-open view of stereographic map of the SC adapter of SC connector assembly of the present invention.
Embodiment
A kind of anti-mis-insertion method of optical connector, this method comprises the steps:
1. at first, on optical connector, fixedly install the plug information storage chip, plug information storage chip internal memory contains the information corresponding to this plug, is powered with electric-conductor on the pin of plug information storage chip; Simultaneously the optical connector adapter is provided with the metallic elastic spare that the signal input part with system board is electrically connected.
2. when pegging graft, electric-conductor and metallic elastic spare are electrically connected, and system board is by reading information in the plug information storage chip, if read information be this information, system board is that pilot lamp is exported signal, pilot lamp is bright, otherwise pilot lamp does not work.
A kind of embodiment 1 with LC connector assembly of anti-mis-insertion identifying information; This LC connector assembly comprises LC plug and LC adapter; Shown in Fig. 1 ~ 15; Be set with stationary housing 4 on the side face of the front end of LC plug 1, stationary housing 4, stationary housing 4 and LC plug be provided with have on the side that the side of duplexing clamp 5 cooperates dodge duplexing clamp 5 dodge open slot 23; The opening of dodging open slot 23 is towards the rear end and extend on the rear end face of stationary housing 4, dodges the front portion of the leading flank retaining of open slot 23 at duplexing clamp.Dodge the duplexing clamp side walls of being positioned at of open slot 23 place and be provided with back limited step 19; Back limited step 19 with duplexing clamp spacing cooperation of boss of both sides; When stationary housing moves forward with respect to the LC plug; Back limited step 19 will touch with the boss of duplexing clamp both sides, and at this moment stationary housing just can not continue to have moved with respect to the LC plug, prevents that stationary housing is by taking off on the LC plug.Be fixed with on the stationary housing 4 and the printed board 2 that the relative side, side of dodging open slot cooperates is set; The adjacent two sides with dodging open slot side side of stationary housing 4 all have the extension 11 outside the outside surface that extends to the side that printed board is set; Extension 11 is provided with plural opening draw-in groove 16;, receive card along 10 in the notch place of opening draw-in groove 16 both sides is provided with.Printed board 2 is provided with convexity 21 with extending ill-matched side, and convexity 21 is positioned at bayonet socket draw-in groove 16 and cooperates with the opening draw-in groove.In receive card and be fastened on protruding 21 along 10, the mode of the convexity in the printed board through strong assembling is contained in the open slot and cooperates with convexity and realize printed board fixing on stationary housing.Be fixed with plug information storage chip 6 on printed board 2 and the surface that the side of LC plug cooperates; Has the square space 14 that holds plug information storage chip 6 on the side of LC plug; Plug information storage chip 6 coincide and is inlaid in the square space 14; Printed board 2 and the side of LC plug are coated with four strip golden fingers 3 on the opposing surface, and the pin of plug information storage chip 6 is electrically connected with four golden fingers 3 respectively.The front end sleeve of stationary housing 4 is provided with dust cover 12.
Shown in Figure 16 ~ 18; The front end of LC adapter 7 has the grafting opening 13 that holds the LC plug head, and the sidewall that grafting opening 13 cooperates with printed board is provided with four metal bullet pins 9, and metal bullet pin 9 is a horn shape; The two ends of metal bullet pin 9 all contact with the sidewall of grafting opening 13; The one of which end is fixed on the sidewall of grafting opening and by passing on the sidewall, and its traversing through end is used for being electrically connected with the output terminal of system board, to the output terminal transmission of the system board information from the plug information storage chip.The other end of metal bullet pin 9 is slidingly arranged in the gathering sill that is opened on the grafting opening sidewalls.When LC plug and the grafting of LC adapter; Golden finger meeting extrusion metal bullet pin in the printed board, the free end of metal bullet pin can slide in the gathering sill of grafting opening, and it is big that the angle of metal bullet pin becomes; Metal bullet pin finally can be pressed in the gathering sill, realizes finally plugging together of LC plug and LC socket.This set mode of metal bullet pin those skilled in the art will readily appreciate that, and also is easy to realize.LC adapter 7 front ends are embedded and are fixed with LED light 8, and the pin of LED light is used for being electrically connected with the output terminal of system board.According to actual needs, the LC that has is that the two ends that cooperate all can be provided with the grafting opening, can plug two LC plugs on the adapter.
A kind of embodiment with LC plug of anti-mis-insertion identifying information, this plug is the LC plug in above-mentioned Fig. 1 ~ 15.The important feature of this CL plug is on plug, to be provided with the chip that stores plug information; After LC plug and adaptive LC adapter are pegged graft; Information in the plug information storage chip can be transferred to system board through the strip golden finger and the metal bullet pin of printed board, and system board can be analyzed this plug information and confirm whether plug has been plugged on the correct LC adapter.
The plug information storage chip of embodiment 1 has been arranged on printed board and the surface that web joint cooperates, also can be arranged on another surface of printed board, at this moment can the plug information storage chip be provided with the rear portion of printed board, and the strip golden finger is arranged on the front portion.
The metal bullet pin of LC adapter has passed the grafting opening among the embodiment 1; Also can an end of metal bullet pin directly be fixed on the sidewall of open slot through the mode of welding the back or clamp; Electric wire or bus on the stiff end of metal bullet pin is electrically connected then are embedded electric wire or bus on the sidewall of open slot and draw.
The metallic elastic spare of LC adapter is a metal bullet pin among the embodiment 1, also can be that an end is fixed on the sidewall of grafting opening the metal clips that the other end inwardly overhangs.
The printed board of embodiment 1 is fixed on the LC plug through stationary housing, also can directly be fixed on the side of LC plug through bonding mode.
The pilot lamp of embodiment 1 is a LED light, and certainly, this pilot lamp also can be the pilot lamp of other types.
A kind of embodiment 2 with SC connector assembly of anti-mis-insertion identifying information, shown in Fig. 1 ~ 24, this SC connector assembly comprises SC plug 31 and SC adapter 37; The SC plug has the clamping window on relative two sides, has clamping convex tendon 40 in the clamping window, has symmetrically arranged two clamping back-offs 57 in the grafting opening of SC adapter; In the prior art; When SC plug and the grafting of SC adapter, clamping back-off 57 is positioned at the clamping window and is fastened on the clamping convex tendon, thereby realizes reliably plugging together of SC plug and SC adapter; In the prior art, general SC connector all is to adopt this mode to plug together fixing.An adjacent side of the side with the clamping window is set of SC plug is provided with a protruding key 35 in location.Shown in Fig. 1 ~ 14; The front end sleeve of SC plug is provided with stationary housing 34; Four medial surfaces of stationary housing 34 cooperate with four outsides of SC plug; Stationary housing 34 and SC plug be provided with two sides that the side of clamping window cooperates be provided with dodge the clamping window dodge opening 41, the opening of dodging opening 41 is towards front end and extend on the front end face of stationary housing 34, dodges opening 41 and makes the clamping window all be exposed on the external.The side that cooperates, side with the SC plug is provided with the protruding key in location of stationary housing 34 is provided with and locatees the open slot 53 that protruding key cooperates; The opening of open slot 53 is towards the rear end and extend on the rear end face of stationary housing 34; The arcwall face that the bottom land of open slot 53 front ends matches for the front end with the protruding key 35 in location; Front end roof pressure with the protruding key 35 in location at the bottom of the front groove of open slot 53 cooperates, and realizes the rear end location of stationary housing 34 on SC plug 31.Dodge to establish in the opening 41 for two of stationary housing 34 and all be equipped with two locking claws 49; Be positioned at same two locking claws 9 of dodging the card opening and lay respectively at the both sides of dodging opening 41; The front end of locking claw 49 is fixed on the front end at stationary housing 34; The rear end of locking claw 49 overhangs backward; The end that the rear end that overhangs backward of locking claw 49 has with clamping convex tendon 40 is fixed on tapered end, and tapered end is clamped on and prevents on the clamping convex tendon that stationary housing from being deviate from by the front end of SC plug, realizes stationary housing front end location on the SC plug.Be arranged between the two locking claws of dodging in the opening and have the space that supplies the clamping back-off to pass through.One of SC plug 31 is provided with on the side of clamping window and is set with printed board 32; Adjacent two sides, the side with the clamping window is set of stationary housing 34 all have the extension 41 outside the outside surface that extends to the side that printed board is set; Extension 41 is provided with plural opening draw-in groove 46;, receive card along 58 in the notch place of opening draw-in groove 46 both sides is provided with.The side that printed board 32 cooperates with extension is provided with convexity 51, and convexity 51 is positioned at opening draw-in groove 46 and cooperates with the opening draw-in groove.In receive card and be fastened on protruding 51 along 58, the mode of the convexity in the printed board through strong assembling is contained in the open slot and cooperates with convexity and realize printed board fixing on stationary housing.Be provided with plug information storage chip 36 on the side facing surfaces of printed board 32 and SC plug.Printed board 32 extends on the front end of stationary housing 34, and the front portion of printed board 32 is provided with the breach 25 of dodging the clamping window, and the opening of breach 25 is towards anterior and extend on the front end face of printed board.Have on the side of SC plug hold the plug information storage chip hold breach 44, the front portion that holds breach 44 is communicated with the rear portion of dodging opening 41.Printed board 32 with another surperficial relative surface that plug information storage chip 36 is set on be coated with four strip golden fingers 33, the pin of plug information storage chip 36 is electrically connected with four strip golden fingers 33 respectively.The front end sleeve of stationary housing 34 is provided with dust cover 42, is symmetrical set the fixedly back-off 54 that oriented port overhangs in the inner chamber of dust cover 42, and fixedly back-off 54 is provided with the back-off with the middle part clamping of clamping convex tendon 16 near the end of dust cover 42 head and the tail ports., SC plug and SC adapter need earlier dust cover is taken off before plugging together.
Shown in Figure 15 ~ 18; The front end of SC adapter 37 has the grafting opening 43 that holds the SC plug head, and the sidewall that grafting opening 43 cooperates with printed board is provided with four metal bullet pins 39, and metal bullet pin 39 is a horn shape; The two ends of metal bullet pin 39 all contact with the sidewall of grafting opening 43; The one of which end is fixed on the sidewall of grafting opening and by passing on the sidewall, and its traversing through end is used for being electrically connected with the output terminal of system board, to the output terminal transmission of the system board information from the plug information storage chip.The other end of metal bullet pin 39 is slidingly arranged in the gathering sill that is opened on the grafting opening sidewalls.When SC plug and the grafting of SC adapter; Golden finger meeting extrusion metal bullet pin in the printed board, the free end of metal bullet pin can slide in the gathering sill of grafting opening, and it is big that the angle of metal bullet pin becomes; Metal bullet pin finally can be pressed in the gathering sill, realizes finally plugging together of SC plug and SC socket.This set mode of metal bullet pin those skilled in the art will readily appreciate that, and also is easy to realize.SC adapter 37 front ends are embedded and are fixed with LED light 38, and the pin of LED light is used for being electrically connected with the output terminal of system board.According to actual needs, the two ends of the SC adapter that has all can be provided with the grafting opening, can plug two SC plugs on the adapter.The grafting opening of SC adapter goes out to be provided with dust plug 56, before SC plug and SC adapter plug together, needs earlier dust plug 56 is taken off.
A kind of embodiment with SC plug of anti-mis-insertion identifying information, this plug is the SC plug in above-mentioned Fig. 1 ~ 15.The important feature of this CL plug is on plug, to be provided with the chip that stores plug information; After SC plug and adaptive SC adapter are pegged graft; Information in the plug information storage chip can be transferred to system board through the strip golden finger and the metal bullet pin of printed board, and system board can be analyzed this plug information and confirm whether plug has been plugged on the correct SC adapter.
The plug information storage chip of embodiment 2 has been arranged on printed board and the surface that web joint cooperates, also can be arranged on another surface of printed board, at this moment can the plug information storage chip be provided with the rear portion of printed board, and the strip golden finger is arranged on the front portion.
The metal bullet pin of SC adapter has passed the grafting opening among the embodiment 2; Also can an end of metal bullet pin directly be fixed on the sidewall of open slot through the mode of welding the back or clamp; Electric wire or bus on the stiff end of metal bullet pin is electrically connected then are embedded electric wire or bus on the sidewall of open slot and draw.
The metallic elastic spare of SC adapter is a metal bullet pin among the embodiment 2, also can be that an end is fixed on the sidewall of grafting opening the metal clips that the other end inwardly overhangs.
The printed board of embodiment 2 is fixed on the SC plug through stationary housing, also can directly be fixed on the side of SC plug through bonding mode.
The pilot lamp of embodiment 2 is a LED light, and certainly, this pilot lamp also can be the pilot lamp of other types.
The stationary housing of embodiment 2 is realized the rear end location of stationary housing on the SC plug through cooperating with the front end roof pressure of the protruding key in location at the bottom of the front groove of open slot.And the snap fit of tapered end and clamping convex tendon through the locking claw realizes that stationary housing front end on the SC plug locatees.Also can with the outer peripheral face of SC plug on fin is set, corresponding draw-in groove is set on the internal perisporium of stationary housing, the mode through strong dress is packed fin in the draw-in groove, realizes that the anticreep of stationary housing on the SC plug is spacing.Or the sidewall of stationary housing is provided with the pilot hole that the protruding key in location cooperates, and will locate protruding key through the mode of strong dress and pack in the pilot hole, and the anticreep of realization stationary housing on the SC plug is spacing.
Be provided with two strip golden fingers in the printed board of above embodiment; With the corresponding metal clips of strip golden finger also be two; The pin number correspondent equal of the individual number average of the sheet of strip golden finger and metal clips and plug information storage chip; According to the variation of plug information storage chip pin number, the number of the sheet of strip golden finger and metal clips can be adjusted to some extent, is not limited only to two.
Can canned data can be the signal of unique identification plug identity in the plug information storage chip among the above embodiment, such as the numbering of plug.The entrained signal of each plug is all inequality, can make the different plug of system identification, prevents that each plug is plugged on the unmatched adapter.Certainly the plug information storage chip can also be stored the information of other relevant plugs, such as: the signal that plug transmitted, the optical cable model that plug connected, optical fiber head number etc.
Claims (6)
1. one kind has the optical connector assembly that anti-mis-insertion is indicated; Comprise optical connector plug and optical connector adapter; The optical connector adapter has the grafting opening that holds the optical connector plug front end; The front end of optical connector plug has the inserting section that cooperates with the grafting opening, it is characterized in that: be installed with the plug information storage chip through the fixing sheathed stationary housing of its front end on the described optical connector plug, the two relative side of stationary housing extends to beyond the outside surface of both adjacent sides; The extension of two sides is provided with plural opening draw-in groove; Have the convexity that cooperates with the opening draw-in groove on the respective side of printed board, the notch place of opening draw-in groove both sides is provided with the interior receipts card edge with protruding clamping, and the plug information storage chip is arranged on printed board and the side that stationary housing cooperates; Stationary housing is provided with the square space that holds the plug information storage chip or holds breach; All be powered with metallic conduction spare on the pin of plug information storage chip, metallic conduction spare is the strip golden finger that is coated with on the opposing surface of printed board and stationary housing, the metallic elastic spare that said optical connector adapter is provided with when pegging graft and metallic conduction spare is electrically connected; Metallic elastic spare is used for being electrically connected with the signal input part of system board; Metallic elastic spare is arranged at grafting opening and printed board and pegs graft on the sidewall that cooperates, and also is provided with pilot lamp on the optical connector adapter, and pilot lamp is used for being electrically connected with the signal output part of system board.
2. the optical connector assembly with anti-mis-insertion indication according to claim 1; It is characterized in that: said optical connector assembly is the LC connector assembly; Stationary housing and LC plug are provided with on the side that the side of duplexing clamp cooperates has the open slot of dodging of dodging duplexing clamp; Dodge open slot and extend on the rear end face of stationary housing, the two side place that dodges open slot be provided with duplexing clamp both sides on boss after the spacing rear end limited step that cooperates.
3. the optical connector assembly with anti-mis-insertion indication according to claim 1; It is characterized in that: described optical connector assembly is the SC connector assembly; The two sides that stationary housing is corresponding are provided with the opening of dodging of the clamping window of dodging the SC plug; Stationary housing and SC plug are provided with the sidewall that the side of positioning key cooperates and are provided with the open slot of opening towards the rear end; Roof pressure is at the front end of positioning key at the bottom of the front groove of draw-in groove, and the place, opening both sides that dodges of stationary housing is provided with two locking catchings respectively, and the front end of locking claw is fixed on the front end of stationary housing; The rear end of locking claw overhangs backward, and the rear end of locking claw has the tapered end that the end with the clamping convex tendon of SC plug connects and fixes.
4. according to claim 1 or 2 or 3 described optical connector assemblies with anti-mis-insertion indication; It is characterized in that: said metallic elastic spare is a metal bullet pin of being arranged to horn shape; One end of metal bullet pin is fixed on the sidewall of grafting opening and is used for being electrically connected with the input end of system board, and the other end is slidingly arranged in the gathering sill that is opened on the grafting opening sidewalls.
5. one kind has the optical connector that anti-mis-insertion is indicated; The front end of optical connector has and is used for the inserting section that cooperates with the grafting opening of optical connector adapter; It is characterized in that: be installed with the plug information storage chip through the fixing sheathed stationary housing of its front end on the described optical connector; The two relative side of stationary housing extends to beyond the outside surface of both adjacent sides; The extension of two sides is provided with plural opening draw-in groove; Have the convexity that cooperates with the opening draw-in groove on the respective side of printed board, the notch place of opening draw-in groove both sides is provided with the interior receipts card edge with protruding clamping, and the plug information storage chip is arranged on printed board and the side that stationary housing cooperates; Stationary housing is provided with the square space that holds the plug information storage chip, all is powered with metallic conduction spare on the pin of plug information storage chip.
6. the optical connector with anti-mis-insertion indication according to claim 5; It is characterized in that: said optical connector is the LC connector; Stationary housing and LC plug are provided with on the side that the side of duplexing clamp cooperates has the open slot of dodging of dodging duplexing clamp; Dodge open slot and extend on the rear end face of stationary housing, the two side place that dodges open slot be provided with duplexing clamp both sides on boss after the spacing rear end limited step that cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102983860A CN101968558B (en) | 2010-09-30 | 2010-09-30 | Anti-misplug method for optical connector, optical connector subassembly and optical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102983860A CN101968558B (en) | 2010-09-30 | 2010-09-30 | Anti-misplug method for optical connector, optical connector subassembly and optical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101968558A CN101968558A (en) | 2011-02-09 |
| CN101968558B true CN101968558B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102983860A Active CN101968558B (en) | 2010-09-30 | 2010-09-30 | Anti-misplug method for optical connector, optical connector subassembly and optical connector |
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| CN (1) | CN101968558B (en) |
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| CN201845104U (en) * | 2010-09-30 | 2011-05-25 | 中航光电科技股份有限公司 | SC connector component with misplug identifying information and SC plug thereof |
| CN201845105U (en) * | 2010-09-30 | 2011-05-25 | 中航光电科技股份有限公司 | LC (local connector) component having misplug preventive identification information and LC plug of LC component |
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