CN104020530A - Optical fiber coupler - Google Patents
Optical fiber coupler Download PDFInfo
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- CN104020530A CN104020530A CN201410242555.7A CN201410242555A CN104020530A CN 104020530 A CN104020530 A CN 104020530A CN 201410242555 A CN201410242555 A CN 201410242555A CN 104020530 A CN104020530 A CN 104020530A
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- optical fiber
- wall
- detection terminal
- plug
- container cavity
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Abstract
The invention discloses an optical fiber coupler which comprises an optical fiber plug, an optical fiber socket and a detection module. The optical fiber plug is inserted into the optical fiber socket, the optical fiber socket comprises a front socket body and a rear socket body which are arranged symmetrically, the front socket body and the rear socket body are symmetrically arranged with a separation plate as a symmetrical plate, and an optical fiber containing cavity which is communicated with the front socket body and the rear socket body and is matched with optical fibers in shape is formed in the middle of the separation plate. A plug containing cavity is formed in the front socket body. An inserting groove allowing the detection module to be inserted and a detection hole allowing a detection terminal to be inserted are further formed in the bottom of a front coupler. The optical fiber socket, the optical fiber plug and the optical fiber detection module of the optical fiber coupler are fixedly connected through the plug, the containing cavity, the detection hole and other structures, the connecting structure is simpler, and the integral structure is more compact.
Description
Technical field
The present invention relates to optical fiber technology field, relate in particular to a kind of fiber coupler.
Background technology
Fiber coupler is the device removably connecting between optical fiber and optical fiber, it is accurate two end faces of optical fiber docking, go so that the luminous energy of launching fiber output can be coupled to receive in optical fiber to greatest extent, thereby and make it get involved the impact that optical link causes system to reduce to minimum.
Existing fiber coupler, the Chinese patent " fiber adapter " that for example application number is CN201010207250.4, it is fixedly connected with two optical fiber with the second cover plate by the first cover plate, saved porcelain bushing.But this kind of connected mode less stable, fixed effect is bad.
The Chinese patent " fiber adapter " that and for example application number is CN201210426790.0, it is by configuring in the enclosure sleeve, at shell middle part, mounting groove is set, the flange being made of plastics is set in mounting groove, mounting hole is set on flange, this kind of mode reduced the use amount of copper material, but this kind of connected mode stability is still poor.
For another example the Chinese patent " fiber adapter " that application number is CN201310397809.8, it arranges similar hexagonal mounting groove with fixed fiber in fiber coupler inside, but this kind of mode stability maintenance is still poor.
Summary of the invention
Technical matters to be solved by this invention is, for the above-mentioned deficiency of prior art, proposes the good fiber coupler of a kind of stability.
The present invention solves the technical scheme that its technical matters adopts, and proposes a kind of fiber coupler, and it comprises Optical fiber plug, fiber-optical socket and detection module, and described Optical fiber plug is plugged in fiber-optical socket; Described fiber-optical socket comprises symmetrically arranged front socket body and rear socket body, described front socket body and rear socket body are symmetrical arranged taking demarcation strip as symmetrical plate, are provided with the suitable optical fiber container cavity of connection front socket body and rear socket body and shape and optical fiber in the middle part of described demarcation strip; Described front socket body interior offers plug container cavity; Described front coupling mechanism bottom is also formed with the detection hole of inserting fixing insertion groove and inserting for detection terminal for detection module.
Further, described Optical fiber plug comprises header body, optical fiber and optical fiber cover, and described optical fiber cover is sheathed on optical fiber and is plugged in header body; Described header body top is provided with shell fragment, described shell fragment comprises square cushion block, and by the upwardly extending tongue of square cushion block sloped-end, described tongue and square cushion block surface of contact are the arc surface caving inward, described tongue both sides form two lugs, and described tongue end is upwards extended with lug boss; The divider that described plug container cavity is arranged at plug container cavity two madial walls is divided into the suitable shell fragment container cavity of shape and the suitable header body container cavity of header body and shape and shell fragment; Described shell fragment container cavity comprises the tongue container cavity that shape and the suitable square cushion block container cavity of square cushion block and shape and tongue are suitable.
Further, described header body container cavity front end face is the arc surface caving inward.
Further, in described header body, be formed with front cylindrical hole and rear cylindrical hole, and be arranged at the optical fiber Access Division between front cylindrical hole and rear cylindrical hole; Described optical fiber Access Division comprises the hexagonal hole that forms ladder with front cylindrical hole, and the described hexagonal hole base formation transition part that extends internally respectively, is connected by arc connecting portion between described transition part base and rear cylindrical hole; Described optical fiber cover middle part forms through hole, and optical fiber cover middle part is shaped as the hexagon matching with described hexagonal hole, and one side outer end, described optical fiber cover middle part extends to form rake to optical fiber outside surface, and opposite side inner end extends to form coated portion to optical fiber outside surface; When grafting, described optical fiber middle part is plugged in described hexagonal hole, and described rake is plugged in described transition part.
Further, described detection module comprises pedestal, described pedestal comprises the first wall, the second wall being extended downward vertically by the relative dual-side of the first wall and the 3rd wall, and the first wall, the second wall and the 3rd wall bottom surface are connected and thickness is greater than the base of the first wall, the second wall and the 3rd wall; Base, the first wall, the second wall and the 3rd wall surround accommodating cavity; The first wall front end face extension is provided with many and extends bars, forms the first detection terminal holding tank between adjacent extension bar; Described the first wall inside surface is also provided with the second detection terminal accommodation section, and described the second detection terminal accommodation section front end forms fluting, is formed with the groove that is communicated with this fluting and connects main part and base in main part;
Multiple the first detection terminals, described multiple the first detection terminals comprise shaped as frame head and the first bar shaped Plug Division; On described base, offer multiple first inserting grooves corresponding with the first bar shaped Plug Division; When grafting, shaped as frame head is arranged in the first detection terminal holding tank, and the first bar shaped Plug Division is plugged in the first inserting groove and stretches out the first inserting groove;
The second detection terminal, described the second detection terminal comprises square head portion and the second bar shaped Plug Division; Square head portion is arranged in fluting, and the second bar shaped plugging position is in groove and stretch out groove;
The second detection terminal contact chip, described the second detection terminal contact chip comprises the dististyle with square slot, described dististyle has square main part and Article 3 shape Plug Division; Described the second detection terminal contact chip is arranged between accommodating cavity and dististyle upper surface contacts with the first detection terminal shaped as frame head lower surface, and the second detection terminal square head portion lower surface contacts with square main part upper surface; On described base, offer second inserting groove corresponding with Article 3 shape Plug Division, Article 3 shape Plug Division is plugged in the second inserting groove and stretches out the second inserting groove;
Described the first wall upper surface is also provided with many connecting portions, and described connecting portion two bottom sides is tilted to and extends to form both wing portions;
Described connecting portion inserts in insertion groove, and the shaped as frame head of described the first detection terminal inserts and detects in hole.
The present invention has following beneficial effect compared to existing technology:
1, fiber-optical socket, Optical fiber plug and fiber detection module are fixedly connected with by structures such as plug, container cavity, detection holes, and syndeton is more simple and one-piece construction is more compact.
2, form Access Division in plug inside, on optical fiber, put the optical fiber cover matching with described Access Division, in the time that optical fiber is plugged in plug, optical fiber is fastened in plug, its good fixing effect, and without any parts or hole are offered in plug outside, there is good sealing effectiveness and security performance;
3, fiber detection module is arranged at fiber coupler below, insertion section and insertion groove is set and makes fiber detection module energy well and fiber coupler combination, also makes detection terminal can go deep into smoothly detection in coupling mechanism simultaneously and inserts the optical fiber in coupling mechanism;
4, multiple detection terminals reasonably configure to pedestal, more compact and owing to adopting the detection mode of physical construction, detection error rate reduces greatly in structure.
Brief description of the drawings
Fig. 1 is the perspective view of fiber coupler of the present invention;
Fig. 2 is the diagrammatic cross-section of fiber coupler of the present invention;
Fig. 3 is the perspective view of Optical fiber plug in Fig. 1;
Fig. 4 is the perspective view of header body in Fig. 3;
Fig. 5 is the perspective view of optical fiber cover in Fig. 3;
Fig. 6 is the perspective view of fiber-optical socket in Fig. 1;
Fig. 7 is the perspective view at another visual angle of fiber coupler in Fig. 6;
Fig. 8 is the back perspective view of fiber coupler in Fig. 6;
Fig. 9 is the perspective view of fiber detection module in Fig. 1;
Figure 10 is the perspective view at another visual angle of fiber detection module in Fig. 9;
Figure 11 is the exploded perspective view of fiber detection module in Fig. 9;
Figure 12 is the perspective view of pedestal in Fig. 9;
Figure 13 is another visual angle perspective view of pedestal in Figure 12.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Please refer to Fig. 1-Figure 13, fiber coupler of the present invention, it comprises Optical fiber plug 100, fiber-optical socket 200 and detection module 300.Optical fiber plug 100 is in fiber-optical socket 200, fiber-optical socket 200 comprises symmetrically arranged front socket body 200 ＇ and rear socket body 200 "; the optical fiber container cavity 202 that front socket body 200 ＇ and rear socket body 200 " be symmetrical arranged taking demarcation strip 201 as symmetrical plate, demarcation strip 201 middle parts are provided with and are communicated with front socket body 200 ＇ and rear socket body 200 " and shape and optical fiber are suitable; Front socket body 200 ＇ inside offer plug container cavity 210; Front socket body 200 ＇ bottoms are also formed with the detection hole 2300 of inserting fixing insertion groove 2200 and inserting for detection terminal for detection module 300.
Described Optical fiber plug 100 comprises header body 110, optical fiber 120 and optical fiber cover 130, and described optical fiber cover 130 is sheathed on optical fiber and is plugged in header body 110.
Described header body 110 tops are provided with shell fragment 140, described shell fragment 140 comprises square cushion block 141, by the upwardly extending tongue 142 of square cushion block 141 sloped-end, described tongue 142 is the arc surface caving inward with square cushion block 141 surface of contact, described tongue 142 both sides form two lugs 143, and described tongue 143 ends are upwards extended with lug boss 144.
The divider 220 that described plug container cavity 210 is arranged at plug container cavity two madial walls is divided into the suitable shell fragment container cavity 240 of shape and the suitable header body container cavity 230 of header body 110 and shape and shell fragment 140; Described shell fragment container cavity 240 comprises the tongue container cavity 242 that shape and the suitable cushion block container cavity 241 of square cushion block 141 and shape and tongue 143 are suitable.
In the time of Optical fiber plug and fiber-optical socket grafting, the each several part of Optical fiber plug can ideally be connected in the each container cavity in fiber-optical socket, good stability.
Preferably, header body container cavity 230 front end faces are the arc surface caving inward.
Preferably, in described header body 110, be formed with front cylindrical hole 111 and rear cylindrical hole 112, and be arranged between front cylindrical hole 111 and rear cylindrical hole 112 optical fiber Access Division 113; Described optical fiber Access Division 113 comprises the hexagonal hole 114 that forms ladder with front cylindrical hole, described hexagonal hole 114 bases extend internally respectively and form transition part 115, between described transition part 115 bases and rear cylindrical hole, are connected by arc connecting portion 116.
Described optical fiber overlaps 130 middle parts and forms through hole, optical fiber overlaps 130 middle parts and is shaped as the hexagon matching with described hexagonal hole 114, one side outer end, described optical fiber cover middle part extends to form rake 131 to optical fiber outside surface, and opposite side inner end extends to form coated portion 132 to optical fiber outside surface; When grafting, described optical fiber middle part is plugged in described hexagonal hole 114, and described rake 131 is plugged in described transition part 115.
Coated portion 132 is coated by optical fiber 120 sides, and optical fiber overlaps hexagonal hole 114 clampings of 130 middle parts and optical fiber Access Division 113, thereby optical fiber cover 130 can not have been avoided in the interior rotation in optical fiber Access Division 113 diameter run-out of optical fiber.The rake 131 of optical fiber cover 130 is supported mutually with transition part 115 simultaneously, has avoided the axial runout of optical fiber.By the way by stable optical fiber being fixed in header body.And because those parts are all arranged at plug inside, therefore its waterproof and dustproof effect can not reduce.
Described detection module 300 comprises pedestal 310, multiple the first detection terminal 320, the second detection terminal 330 and the second detection terminal contact chip 340.Pedestal 310 is for holding the first detection terminal 320, the second detection terminal 320 and the second detection terminal contact chip 340, and pedestal 310 can combine with fiber-optical socket 200.
Pedestal 310 comprises the first wall 311, the second wall 312 and the 3rd wall 313 that are extended downward vertically by the relative dual-side of the first wall 311, and the first wall 311, the second wall 312 and the 3rd wall 313 bottom surfaces are connected and thickness is greater than the base 314 of the first wall 311, the second wall 312 and the 3rd wall 313; Base 314, the first wall 311, the second wall 312 and the 3rd wall 313 surround accommodating cavity 315.
The first wall 311 front end faces extensions are provided with many and extend bars 316, form the first detection terminal holding tank 3161 between adjacent extension bar; Described the first wall 311 inside surfaces are also provided with the second detection terminal accommodation section 317, and described the second detection terminal accommodation section front end forms fluting 3171, is formed with the groove 3172 that is communicated with this fluting and connects main part and base in main part.
Multiple the first detection terminals 320 comprise shaped as frame head 321 and the first bar shaped Plug Division 322; On described base 314, offer multiple first inserting grooves 3141 corresponding with the first bar shaped Plug Division 322; When grafting, shaped as frame head 321 is arranged in the first detection terminal holding tank 3161, the first bar shaped Plug Divisions 322 and is plugged in the first inserting groove 3141 and stretches out the first inserting groove 3141.
The second detection terminal 330 comprises square head portion 331 and the second bar shaped Plug Division 332; Square head portion 331 is arranged in fluting 3171, the second bar shaped Plug Divisions 332 and is arranged in groove 3172 and stretches out groove 3172.
The second detection terminal contact chip 340 comprises the dististyle 341 with square slot 342, has the dististyle 341 of square main part 3411 and Article 3 shape Plug Division 3412; Described the second detection terminal contact chip 340 is arranged between accommodating cavity 315 and dististyle 341 upper surfaces contact with the first detection terminal shaped as frame head 321 lower surfaces, and the second detection terminal square head portion 331 lower surfaces contact with square main part 3411 upper surfaces; On described base 314, offer second inserting groove 3142 corresponding with Article 3 shape Plug Division 3412, Article 3 shape Plug Division 3412 is plugged in the second inserting groove 3142 and stretches out the second inserting groove 3142.
Described the first wall 311 upper surfaces are also provided with many connecting portions 3111, and described connecting portion two bottom sides is tilted to and extends to form both wing portions 3112.
Connecting portion 3111 inserts in insertion groove 2200, and the shaped as frame head 321 of the first detection terminal 320 inserts and detects in hole 2300.
In the time that Optical fiber plug inserts fiber-optical socket, header body is pushed the shaped as frame head that is convexly set in the first detection terminal in optical fiber container cavity downwards, the now optical fiber electric connection in the first detection terminal and Optical fiber plug, the performance of beginning detection fiber.Meanwhile, when shaped as frame head pushes, also make the second detection terminal separate the break-make with detection fiber detection module with the second detection terminal contact chip to pressing down the square main part of the second detection terminal contact chip downwards.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (5)
1. a fiber coupler, is characterized in that: comprise Optical fiber plug, fiber-optical socket and detection module, described Optical fiber plug is plugged in fiber-optical socket; Described fiber-optical socket comprises symmetrically arranged front socket body and rear socket body, described front socket body and rear socket body are symmetrical arranged taking demarcation strip as symmetrical plate, are provided with the suitable optical fiber container cavity of connection front socket body and rear socket body and shape and optical fiber in the middle part of described demarcation strip; Described front socket body interior offers plug container cavity; Described front coupling mechanism bottom is also formed with the detection hole of inserting fixing insertion groove and inserting for detection terminal for detection module.
2. fiber coupler according to claim 1, is characterized in that: described Optical fiber plug comprises header body, optical fiber and optical fiber cover, and described optical fiber cover is sheathed on optical fiber and is plugged in header body; Described header body top is provided with shell fragment, described shell fragment comprises square cushion block, and by the upwardly extending tongue of square cushion block sloped-end, described tongue and square cushion block surface of contact are the arc surface caving inward, described tongue both sides form two lugs, and described tongue end is upwards extended with lug boss; The divider that described plug container cavity is arranged at plug container cavity two madial walls is divided into the suitable shell fragment container cavity of shape and the suitable header body container cavity of header body and shape and shell fragment; Described shell fragment container cavity comprises the tongue container cavity that shape and the suitable square cushion block container cavity of square cushion block and shape and tongue are suitable.
3. fiber coupler according to claim 2, is characterized in that: described header body container cavity front end face is the arc surface caving inward.
4. fiber coupler according to claim 2, is characterized in that: in described header body, be formed with front cylindrical hole and rear cylindrical hole, and be arranged at the optical fiber Access Division between front cylindrical hole and rear cylindrical hole; Described optical fiber Access Division comprises the hexagonal hole that forms ladder with front cylindrical hole, and the described hexagonal hole base formation transition part that extends internally respectively, is connected by arc connecting portion between described transition part base and rear cylindrical hole; Described optical fiber cover middle part forms through hole, and optical fiber cover middle part is shaped as the hexagon matching with described hexagonal hole, and one side outer end, described optical fiber cover middle part extends to form rake to optical fiber outside surface, and opposite side inner end extends to form coated portion to optical fiber outside surface; When grafting, described optical fiber middle part is plugged in described hexagonal hole, and described rake is plugged in described transition part.
5. according to the fiber coupler described in claim 1 to 4 any one, it is characterized in that: described detection module comprises pedestal, described pedestal comprises the first wall, the second wall being extended downward vertically by the relative dual-side of the first wall and the 3rd wall, and the first wall, the second wall and the 3rd wall bottom surface are connected and thickness is greater than the base of the first wall, the second wall and the 3rd wall; Base, the first wall, the second wall and the 3rd wall surround accommodating cavity; The first wall front end face extension is provided with many and extends bars, forms the first detection terminal holding tank between adjacent extension bar; Described the first wall inside surface is also provided with the second detection terminal accommodation section, and described the second detection terminal accommodation section front end forms fluting, is formed with the groove that is communicated with this fluting and connects main part and base in main part;
Multiple the first detection terminals, described multiple the first detection terminals comprise shaped as frame head and the first bar shaped Plug Division; On described base, offer multiple first inserting grooves corresponding with the first bar shaped Plug Division; When grafting, shaped as frame head is arranged in the first detection terminal holding tank, and the first bar shaped Plug Division is plugged in the first inserting groove and stretches out the first inserting groove;
The second detection terminal, described the second detection terminal comprises square head portion and the second bar shaped Plug Division; Square head portion is arranged in fluting, and the second bar shaped plugging position is in groove and stretch out groove;
The second detection terminal contact chip, described the second detection terminal contact chip comprises the dististyle with square slot, described dististyle has square main part and Article 3 shape Plug Division; Described the second detection terminal contact chip is arranged between accommodating cavity and dististyle upper surface contacts with the first detection terminal shaped as frame head lower surface, and the second detection terminal square head portion lower surface contacts with square main part upper surface; On described base, offer second inserting groove corresponding with Article 3 shape Plug Division, Article 3 shape Plug Division is plugged in the second inserting groove and stretches out the second inserting groove;
Described the first wall upper surface is also provided with many connecting portions, and described connecting portion two bottom sides is tilted to and extends to form both wing portions;
Described connecting portion inserts in insertion groove, and the shaped as frame head of described the first detection terminal inserts and detects in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242555.7A CN104020530B (en) | 2014-05-30 | 2014-05-30 | A kind of fiber coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242555.7A CN104020530B (en) | 2014-05-30 | 2014-05-30 | A kind of fiber coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104020530A true CN104020530A (en) | 2014-09-03 |
| CN104020530B CN104020530B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410242555.7A Active CN104020530B (en) | 2014-05-30 | 2014-05-30 | A kind of fiber coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104020530B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101422A1 (en) * | 2014-12-22 | 2016-06-30 | 中兴通讯股份有限公司 | Optical fibre monitoring method and apparatus and optical fibre adapter |
| CN110455496A (en) * | 2019-08-29 | 2019-11-15 | 广州奥鑫通讯设备有限公司 | A kind of automatic device for testing of fiber coupler |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923805A (en) * | 1997-12-22 | 1999-07-13 | Lucent Technologies Inc. | Connector for plastic optical fiber |
| CN1393715A (en) * | 2001-06-21 | 2003-01-29 | 菲特尔美国公司 | Optical connector plug |
-
2014
- 2014-05-30 CN CN201410242555.7A patent/CN104020530B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923805A (en) * | 1997-12-22 | 1999-07-13 | Lucent Technologies Inc. | Connector for plastic optical fiber |
| CN1393715A (en) * | 2001-06-21 | 2003-01-29 | 菲特尔美国公司 | Optical connector plug |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101422A1 (en) * | 2014-12-22 | 2016-06-30 | 中兴通讯股份有限公司 | Optical fibre monitoring method and apparatus and optical fibre adapter |
| CN110455496A (en) * | 2019-08-29 | 2019-11-15 | 广州奥鑫通讯设备有限公司 | A kind of automatic device for testing of fiber coupler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104020530B (en) | 2016-05-11 |
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Address after: 315191, No. 6, high voltage Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: ZHEJIANG SHIP ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 315191, No. 31, North Road, Jiangshan Town, Yinzhou District, Zhejiang, Ningbo Patentee before: ZHEJIANG SHIP ELECTRONIC TECHNOLOGY Co.,Ltd. |