CN104062714A - Optical fiber electronic distribution frame port detecting method - Google Patents
Optical fiber electronic distribution frame port detecting method Download PDFInfo
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- CN104062714A CN104062714A CN201410272695.9A CN201410272695A CN104062714A CN 104062714 A CN104062714 A CN 104062714A CN 201410272695 A CN201410272695 A CN 201410272695A CN 104062714 A CN104062714 A CN 104062714A
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- optical fiber
- detection terminal
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- plug
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Abstract
The invention discloses an optical fiber electronic distribution frame port detecting method. The optical fiber electronic distribution frame port detecting method comprises the steps of plugging an optical fiber plug into an optical fiber socket; plugging a detection module under the optical fiber socket; detecting the communication situation of a first detection terminal and a copper piece so as to judge the plugged connection situation of the optical fiber plug and the optical fiber socket, wherein the detection module further comprises first detection terminal and a second detection terminal contact piece; enabling the second detection terminal to be pressed downward while detecting whether the second detection terminal contact piece and the second detection terminal are communicated or not so as to judge the normal working situation of the detection module when the optical fiber plug is plugged into the optical fiber socket. The method detects whether the optical fiber plug is plugged into the optical fiber socket or not through contact of the first detection terminal and the optical fiber plug copper piece and detects whether the optical fiber detection module normally works or not through contact of the second detection terminal and the second detection terminal contact piece. By adopting two detection modes, the accuracy in the detection process is ensured, and a maintainer can conveniently position and plug unstable the optical fiber plug.
Description
Technical field
The present invention relates to optical fiber technology field, relate in particular to a kind of optical fiber electric distributing frame port detection method.
Background technology
Optical fiber electric distributing frame is modular equipment front-end information point being managed for local side.After between the information point cable access arrangement of front end, first enter distributing frame, line is beaten in the module of distributing frame, then with wire jumper, connect distributing frame and switch.If there is no distributing frame, once cable goes wrong, just need to face rewiring.
But because the number of fibers of pegging graft on distributing frame is a lot, in long-term use procedure or initial grafting process, possible some or certain optical fiber is pegged graft insecure and is come off, and maintainer is difficult to the Optical fiber plug that accurately location comes off from numerous Optical fiber plugs when safeguarding.
Summary of the invention
Technical matters to be solved by this invention is, for the above-mentioned deficiency of prior art, proposes a kind of optical fiber electric distributing frame port detection method of inserting state of energy Real-Time Monitoring Optical fiber plug.
The present invention solves the technical scheme that its technical matters adopts, and proposes a kind of optical fiber electric distributing frame port detection method, and it comprises step:
S1: 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 be take demarcation strip as symmetrical plate is symmetrical arranged, and 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 Optical fiber plug bottom surface is provided with copper sheet;
S2: detection module is plugged in to fiber-optical socket below;
Before described fiber-optical socket, coupling mechanism bottom is also formed with the detection hole of inserting fixing insertion groove and inserting for detection module the first detection terminal for detection module;
S3: detect the first detection terminal with the situation that is communicated with of copper sheet to judge the grafting situation of Optical fiber plug and fiber-optical socket;
S4: described detection module also comprises the second detection terminal and the second detection terminal contact chip; When being plugged in fiber-optical socket, Optical fiber plug makes the second detection terminal contact chip press down to detect the second detection terminal contact chip whether to be communicated with to judge with the second detection terminal whether described detection module normally works simultaneously.
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 has extended upward 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 is respectively 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; During 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;
A plurality of the first detection terminals, described a plurality of the first detection terminals comprise shaped as frame head and the first bar shaped Plug Division; On described base, offer a plurality of first inserting grooves corresponding with the first bar shaped Plug Division; During 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 the 3rd bar shaped 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 the 3rd bar shaped Plug Division, the 3rd bar shaped 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:
Whether 1, whether the contact detection Optical fiber plug by the first detection terminal and Optical fiber plug copper sheet is plugged in socket, by the contact detection fiber detection module itself of the second detection terminal and the second detection terminal contact chip, normally work; Two kinds of detection modes have been guaranteed the accuracy in testing process, and maintain easily the personnel positioning unstable Optical fiber plug of pegging graft.
2, in plug inside, form Access Division, on optical fiber, put the optical fiber cover matching with described Access Division, when 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-optical socket below, insertion section and insertion groove is set and makes fiber detection module energy well and fiber-optical socket combination, also makes detection terminal can go deep into smoothly detection in coupling mechanism simultaneously and inserts the optical fiber in coupling mechanism;
4, a plurality of 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.
Accompanying drawing explanation
Fig. 1 is the perspective view of optical fiber electric distributing frame in the present invention;
Fig. 2 is the diagrammatic cross-section of optical fiber electric distributing frame in Fig. 1;
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-optical socket in Fig. 6;
Fig. 8 is the back perspective view of fiber-optical socket 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, optical fiber electric distributing frame of the present invention, it comprises Optical fiber plug 100, fiber-optical socket 200 and detection module 300.Optical fiber plug 100 is plugged in fiber-optical socket 200, fiber-optical socket 200 comprises symmetrically arranged front socket body 200 ＇ and rear socket body 200 ＇ ＇, front socket body 200 ＇ and rear socket body 200 ＇ ＇ be take demarcation strip 201 and are symmetrical arranged as symmetrical plate, and demarcation strip 201 middle parts are provided with and are communicated with the suitable optical fiber container cavity 202 of front socket body 200 ＇ and rear socket body 200 ＇ ＇ and shape and optical fiber; 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 have extended upward lug boss 144.
Described header body 110 lower surfaces are provided with copper sheet 117.
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.
When Optical fiber plug and fiber-optical socket grafting, the each several part of Optical fiber plug can ideally be connected in 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 the optical fiber Access Division 113 that is arranged between front cylindrical hole 111 and rear cylindrical hole 112; 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, by arc connecting portion 116, are connected.
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; During 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 being fixed in header body of optical fiber.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, a plurality of 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 by the relative dual-side of the first wall 311, are extended downward vertically, 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.
A plurality of the first detection terminals 320 comprise shaped as frame head 321 and the first bar shaped Plug Division 322; On described base 314, offer a plurality of first inserting grooves 3141 corresponding with the first bar shaped Plug Division 322; During 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 the 3rd bar shaped 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, offering second inserting groove 3142, the three bar shaped Plug Divisions 3412 corresponding with the 3rd bar shaped 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.
Optical fiber electric distributing frame port detection method of the present invention is as follows:
Optical fiber plug is inserted in 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, now the first detection terminal contacts with the copper sheet of Optical fiber plug below, if the first detection terminal and copper sheet electric connection, represent Optical fiber plug and fiber-optical socket firm plug, if the first detection terminal and copper sheet do not have electric connection, represent that Optical fiber plug and fiber-optical socket grafting are insecure.Simultaneously, when shaped as frame head pushes, also to pressing down, make the second detection terminal break-make with detection fiber detection module itself separated with the second detection terminal contact chip to judge whether fiber detection module itself normally works 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 modifications 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. an optical fiber electric distributing frame port detection method, is characterized in that: comprise step:
S1: 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 be take demarcation strip as symmetrical plate is symmetrical arranged, and 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 Optical fiber plug bottom surface is provided with copper sheet;
S2: detection module is plugged in to fiber-optical socket below;
Before described fiber-optical socket, coupling mechanism bottom is also formed with the detection hole of inserting fixing insertion groove and inserting for detection module the first detection terminal for detection module;
S3: detect the first detection terminal with the situation that is communicated with of copper sheet to judge the grafting situation of Optical fiber plug and fiber-optical socket;
S4: described detection module also comprises the second detection terminal and the second detection terminal contact chip; When being plugged in fiber-optical socket, Optical fiber plug makes the second detection terminal contact chip press down to detect the second detection terminal contact chip whether to be communicated with to judge with the second detection terminal whether described detection module normally works simultaneously.
2. optical fiber electric distributing frame port detection method 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 has extended upward 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. optical fiber electric distributing frame port detection method according to claim 2, is characterized in that: described header body container cavity front end face is the arc surface caving inward.
4. optical fiber electric distributing frame port detection method according to claim 2, it 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 is respectively 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; During 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 optical fiber electric distributing frame port detection method 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;
A plurality of the first detection terminals, described a plurality of the first detection terminals comprise shaped as frame head and the first bar shaped Plug Division; On described base, offer a plurality of first inserting grooves corresponding with the first bar shaped Plug Division; During 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 the 3rd bar shaped 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 the 3rd bar shaped Plug Division, the 3rd bar shaped 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 |
|---|---|---|---|
| CN201410272695.9A CN104062714B (en) | 2014-06-18 | 2014-06-18 | A kind of optical fiber electric distributing frame port detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272695.9A CN104062714B (en) | 2014-06-18 | 2014-06-18 | A kind of optical fiber electric distributing frame port detection method |
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| Publication Number | Publication Date |
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| CN104062714A true CN104062714A (en) | 2014-09-24 |
| CN104062714B CN104062714B (en) | 2015-08-12 |
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| CN201410272695.9A Active CN104062714B (en) | 2014-06-18 | 2014-06-18 | A kind of optical fiber electric distributing frame port detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016106294U1 (en) * | 2016-11-10 | 2018-02-14 | Weidmüller Interface GmbH & Co. KG | Connection device with a connection terminal for a conductor end |
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| US20040052471A1 (en) * | 2002-09-13 | 2004-03-18 | Fitel Usa Corp. | Connector systems for dynamically updating information related to a network and methods for developing the connector systems |
| JP2008539468A (en) * | 2005-04-29 | 2008-11-13 | タイコ・エレクトロニクス・コーポレイション | Duplex plug adapter module |
| CN101995612A (en) * | 2009-08-25 | 2011-03-30 | 华为技术有限公司 | Method, device and system for detecting jump fiber connecting state |
| CN202256768U (en) * | 2011-08-26 | 2012-05-30 | 中航光电科技股份有限公司 | Anti-misplug light adapter |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040052471A1 (en) * | 2002-09-13 | 2004-03-18 | Fitel Usa Corp. | Connector systems for dynamically updating information related to a network and methods for developing the connector systems |
| JP2008539468A (en) * | 2005-04-29 | 2008-11-13 | タイコ・エレクトロニクス・コーポレイション | Duplex plug adapter module |
| CN101995612A (en) * | 2009-08-25 | 2011-03-30 | 华为技术有限公司 | Method, device and system for detecting jump fiber connecting state |
| CN202256768U (en) * | 2011-08-26 | 2012-05-30 | 中航光电科技股份有限公司 | Anti-misplug light adapter |
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| DE202016106294U1 (en) * | 2016-11-10 | 2018-02-14 | Weidmüller Interface GmbH & Co. KG | Connection device with a connection terminal for a conductor end |
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| CN104062714B (en) | 2015-08-12 |
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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. |