WO2021237857A1 - Dust-removal-type plc optical divider - Google Patents

Dust-removal-type plc optical divider Download PDF

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Publication number
WO2021237857A1
WO2021237857A1 PCT/CN2020/098186 CN2020098186W WO2021237857A1 WO 2021237857 A1 WO2021237857 A1 WO 2021237857A1 CN 2020098186 W CN2020098186 W CN 2020098186W WO 2021237857 A1 WO2021237857 A1 WO 2021237857A1
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Prior art keywords
dust
sides
dust removal
fixed plate
optical splitter
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PCT/CN2020/098186
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French (fr)
Chinese (zh)
Inventor
董智慧
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南京唐壹信息科技有限公司
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Publication of WO2021237857A1 publication Critical patent/WO2021237857A1/en

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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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • B08B1/10—
    • B08B1/32—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities

Definitions

  • the invention relates to the technical field of optical splitters, in particular to a dust-removing PLC optical splitter.
  • Optical splitter also known as optical splitter, is one of the important passive components in the optical fiber link. It is an optical fiber junction device with multiple input ends and multiple output ends. Optical splitters can be divided into fusion pull Cone type and planar waveguide type.
  • the additional loss is defined as the sum of the optical power of all output ports relative to the DB number of the input optical power loss. It is worth mentioning that for fiber couplers, the additional loss is an indicator of the quality of the device manufacturing process and reflects the device manufacturing process. Inherent loss, the smaller the loss, the better, which is an evaluation index of the quality of production;
  • the existing PLC optical splitter has a poor dust removal effect, and more dust can easily reduce the service life and use efficiency of the PLC optical splitter.
  • the purpose of the present invention is to solve the disadvantages in the prior art that the PLC optical splitter has poor dust removal effect, and more dust easily reduces the service life and use efficiency of the PLC optical splitter, and a dust removal type PLC is proposed.
  • Optical splitter Optical splitter.
  • a dust-removing PLC optical splitter includes an optical splitter, a dust-removing fan, a fixed plate, a fixed seat, and a movable seat.
  • the inner walls of both sides of the optical splitter are provided with dust-removing holes, and the dust-removing fan is fixed are installed in the corresponding dust removal holes, the two sides of the fixed plate are fixedly installed on the inner walls of both sides of the optical splitter, and both sides of the fixed plate are slidably installed with side plates.
  • One side is fixedly installed on one side of the fixed seat, the fixed seat is located on one side of the fixed plate, one side of the fixed seat is provided with a fixed hole, the movable seat is slidably installed in the fixed hole, and the fixed seat Dust removal rollers are rotatably installed on both sides of the two dust removal rollers, and gears are fixedly sleeved on the two dust removal rollers, and two racks are fixedly installed on the inner wall of one side of the optical splitter. The gears and the corresponding teeth The strips are engaged.
  • one side of the movable seat is provided with a rotating groove
  • a rotating rod is rotatably installed in the rotating groove
  • two sprockets are rotatably installed on one side of the fixed plate, and the two sprockets are engaged with
  • the motor drives the sprocket to rotate
  • the sprocket drives the chain to move
  • the chain drives the rotating rod to move back and forth.
  • the rotating rod is fixedly connected to the chain, the other side of the fixed plate is fixedly installed with a motor, and the output shaft of the motor is fixedly connected to the sprocket.
  • both sides of the fixed plate are provided with sliding grooves, and sliding blocks are fixedly installed on the sides of the two side plates close to each other, and the sliding blocks are slidably installed in the corresponding sliding grooves, and the side plates move
  • the position of the side plate when it moves can be stabilized.
  • both sides of the fixing seat are provided with grooves, and one ends of the two dust removal rollers are rotatably installed in the corresponding two grooves, and the dust removal roller rotates in the grooves to stabilize the position of the dust removal roller during rotation. .
  • the motor drives the sprocket to rotate, and the sprocket drives the chain to move.
  • the rotating rod moves to the sprocket, it rotates in the rotating groove and drives the movable seat to slide in the fixed hole.
  • the dust removal roller drives the corresponding gear to move, and the gear drives The corresponding dust-removing roller rotates, the dust-removing roller removes dust from the optical splitter, and the dust-removing fan discharges the dust in the optical splitter;
  • the structure of the invention is reasonable, the dust removal effect of the optical splitter is good, and the service life and use efficiency of the optical splitter are guaranteed.
  • Figure 1 is a schematic diagram of the front view structure of a dust-removing PLC optical splitter proposed by the present invention
  • FIG. 2 is a schematic diagram of the structure of a fixed plate, a fixed seat and a motor of a dust removal type PLC optical splitter proposed by the present invention

Abstract

Disclosed is a dust-removal-type PLC optical divider, and, aimed at the problems of existing PLC optical dividers whereby same are poor in terms of dust removal effect and a lot of dust easily shortens the service life and reduces the use efficiency of the PLC optical divider, the following solution is provided. The dust-removal-type PLC optical divider comprises an optical divider body (1), dust removal fans (3), a fixed plate (4), a fixed seat (6) and a movable seat (7), wherein dust removal holes (2) are provided in inner walls of two sides of the optical divider body (1), the dust removal fans (3) are fixedly installed in corresponding dust removal holes (2), two sides of the fixed plate (4) are respectively fixedly installed on the inner walls of the two sides of the optical divider body (1), side plates (5) are installed on the two sides of the fixed plate (4) in a sliding manner, one side of each of two side plates (5) is fixedly installed on a side of the fixed seat (6), the fixed seat (6) is located on a side of the fixed plate (4), and a fixing hole is provided in a side of the fixed seat (6). The optical divider body (1) is rational in terms of structure and good in terms of dust removal effect, such that the service life and the use efficiency of the optical divider body (1) are guaranteed.

Description

一种除尘型PLC光分路器A kind of dust-removing PLC optical splitter 技术领域Technical field
本发明涉及光分路器技术领域，尤其涉及一种除尘型PLC光分路器。The invention relates to the technical field of optical splitters, in particular to a dust-removing PLC optical splitter.
背景技术Background technique
光分路器又称分光器，是光纤链路中重要的无源器件之一，是具有多个输入端和多个输出端的光纤汇接器件，光分路器按分光原理可以分为熔融拉锥型和平面波导型两种。附加损耗定义为所有输出端口的光功率总和相对于输入光功率损失的DB数，值得一提的是，对于光纤耦合器，附加损耗是体现器件制造工艺质量的指标，反映的是器件制作过程的固有损耗，这个损耗越小越好，是制作质量优劣的考核指标；Optical splitter, also known as optical splitter, is one of the important passive components in the optical fiber link. It is an optical fiber junction device with multiple input ends and multiple output ends. Optical splitters can be divided into fusion pull Cone type and planar waveguide type. The additional loss is defined as the sum of the optical power of all output ports relative to the DB number of the input optical power loss. It is worth mentioning that for fiber couplers, the additional loss is an indicator of the quality of the device manufacturing process and reflects the device manufacturing process. Inherent loss, the smaller the loss, the better, which is an evaluation index of the quality of production;
然而现有的PLC光分路器得除尘效果较差，灰尘较多容易降低PLC光分路器的使用寿命和使用效率。However, the existing PLC optical splitter has a poor dust removal effect, and more dust can easily reduce the service life and use efficiency of the PLC optical splitter.
发明内容Summary of the invention
本发明的目的是为了解决现有技术中存在PLC光分路器得除尘效果较差，灰尘较多容易降低PLC光分路器的使用寿命和使用效率的缺点，而提出的一种除尘型PLC光分路器。The purpose of the present invention is to solve the disadvantages in the prior art that the PLC optical splitter has poor dust removal effect, and more dust easily reduces the service life and use efficiency of the PLC optical splitter, and a dust removal type PLC is proposed. Optical splitter.
为了实现上述目的，本发明采用了如下技术方案：In order to achieve the above objectives, the present invention adopts the following technical solutions:
一种除尘型PLC光分路器，包括光分路器、除尘扇、固定板、固定座和移动座，所述光分路器的两侧内壁上均开设有除尘孔，所述除尘扇固定安装有对应的除尘孔内，所述固定板的两侧分别固定安装在 光分路器的两侧内壁上，所述固定板的两侧均滑动安装有侧板，两个所述侧板的一侧均固定安装在固定座的一侧，所述固定座位于固定板的一侧，所述固定座的一侧开设有固定孔，所述移动座滑动安装在固定孔内，所述固定座的两侧均转动安装有除尘辊，两个所述除尘辊上均固定套设有齿轮，所述光分路器的一侧内壁上固定安装有两个齿条，所述齿轮与对应的齿条啮合。A dust-removing PLC optical splitter includes an optical splitter, a dust-removing fan, a fixed plate, a fixed seat, and a movable seat. The inner walls of both sides of the optical splitter are provided with dust-removing holes, and the dust-removing fan is fixed Are installed in the corresponding dust removal holes, the two sides of the fixed plate are fixedly installed on the inner walls of both sides of the optical splitter, and both sides of the fixed plate are slidably installed with side plates. One side is fixedly installed on one side of the fixed seat, the fixed seat is located on one side of the fixed plate, one side of the fixed seat is provided with a fixed hole, the movable seat is slidably installed in the fixed hole, and the fixed seat Dust removal rollers are rotatably installed on both sides of the two dust removal rollers, and gears are fixedly sleeved on the two dust removal rollers, and two racks are fixedly installed on the inner wall of one side of the optical splitter. The gears and the corresponding teeth The strips are engaged.
优选的，所述移动座的一侧开设有转动槽，所述转动槽内转动安装有转动杆，所述固定板的一侧转动安装有两个链轮，两个所述链轮上啮合有同一个链条，电机带动链轮转动，链轮带动链条运动，链条带动转动杆来回移动。Preferably, one side of the movable seat is provided with a rotating groove, a rotating rod is rotatably installed in the rotating groove, and two sprockets are rotatably installed on one side of the fixed plate, and the two sprockets are engaged with For the same chain, the motor drives the sprocket to rotate, the sprocket drives the chain to move, and the chain drives the rotating rod to move back and forth.
优选的，所述转动杆固定连接在链条上，所述固定板的另一侧固定安装有电机，所述电机的输出轴固定连接在链轮上。Preferably, the rotating rod is fixedly connected to the chain, the other side of the fixed plate is fixedly installed with a motor, and the output shaft of the motor is fixedly connected to the sprocket.
优选的，所述固定板的两侧均开设有滑槽，两个所述侧板相互靠近的一侧均固定安装有滑块，所述滑块滑动安装在对应的滑槽内，侧板移动时带动滑块在滑槽内滑动，可以稳定侧板移动时的位置。Preferably, both sides of the fixed plate are provided with sliding grooves, and sliding blocks are fixedly installed on the sides of the two side plates close to each other, and the sliding blocks are slidably installed in the corresponding sliding grooves, and the side plates move When driving the slider to slide in the chute, the position of the side plate when it moves can be stabilized.
优选的，所述固定座的两侧均开设有凹槽，两个所述除尘辊的一端转动安装在对应的两个凹槽内，除尘辊在凹槽内转动可以稳定除尘辊转动时的位置。Preferably, both sides of the fixing seat are provided with grooves, and one ends of the two dust removal rollers are rotatably installed in the corresponding two grooves, and the dust removal roller rotates in the grooves to stabilize the position of the dust removal roller during rotation. .
本发明中，通过电机带动链轮转动，链轮带动链条运动，转动杆移动到链轮处时在转动槽内转动并带动移动座在固定孔内滑动，除尘辊带动对应的齿轮移动，齿轮带动对应的除尘辊转动，除尘辊对光分路器进行除尘，除尘扇将光分路器内的灰尘进行排出；In the present invention, the motor drives the sprocket to rotate, and the sprocket drives the chain to move. When the rotating rod moves to the sprocket, it rotates in the rotating groove and drives the movable seat to slide in the fixed hole. The dust removal roller drives the corresponding gear to move, and the gear drives The corresponding dust-removing roller rotates, the dust-removing roller removes dust from the optical splitter, and the dust-removing fan discharges the dust in the optical splitter;
本发明结构合理，该光分路器的除尘效果较好，保证了光分路器的使用寿命和使用效率。The structure of the invention is reasonable, the dust removal effect of the optical splitter is good, and the service life and use efficiency of the optical splitter are guaranteed.
附图说明Description of the drawings
图1为本发明提出的一种除尘型PLC光分路器的主视结构示意图；Figure 1 is a schematic diagram of the front view structure of a dust-removing PLC optical splitter proposed by the present invention;
图2为本发明提出的一种除尘型PLC光分路器的固定板、固定座和电机的结构示意图；2 is a schematic diagram of the structure of a fixed plate, a fixed seat and a motor of a dust removal type PLC optical splitter proposed by the present invention;
图3为本发明提出的一种除尘型PLC光分路器的A部分放大结构示意图。Fig. 3 is a schematic diagram of an enlarged structure of part A of a dust-removing PLC optical splitter proposed by the present invention.
图中：1光分路器、2除尘孔、3除尘扇、4固定板、5侧板、6固定座、7移动座、8转动杆、9链轮、10链条、11电机、12齿条、13除尘辊、14齿轮、15滑块、16转动槽。In the picture: 1 optical splitter, 2 dust removal hole, 3 dust removal fan, 4 fixed plate, 5 side plate, 6 fixed seat, 7 movable seat, 8 rotating rod, 9 sprocket, 10 chain, 11 motor, 12 rack , 13 dust removal roller, 14 gear, 15 sliding block, 16 rotating groove.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
参照图1-3，一种除尘型PLC光分路器，包括光分路器1、除尘扇3、固定板4、固定座6和移动座7，光分路器1的两侧内壁上均开设有除尘孔2，除尘扇3固定安装有对应的除尘孔2内，固定板4的两侧分别固定安装在光分路器1的两侧内壁上，固定板4的两侧均滑动安装有侧板5，两个侧板5的一侧均固定安装在固定座6的一侧，固定座6位于固定板4的一侧，固定座6的一侧开设有固定孔，移动 座7滑动安装在固定孔内，固定座6的两侧均转动安装有除尘辊13，两个除尘辊13上均固定套设有齿轮14，光分路器1的一侧内壁上固定安装有两个齿条12，齿轮14与对应的齿条12啮合。Referring to Figures 1-3, a dust-removing PLC optical splitter includes an optical splitter 1, a dust-removing fan 3, a fixed plate 4, a fixed seat 6 and a movable seat 7. The inner walls of the optical splitter 1 are both A dust removal hole 2 is opened, and the dust removal fan 3 is fixedly installed in the corresponding dust removal hole 2. Both sides of the fixed plate 4 are fixedly installed on the inner walls of both sides of the optical splitter 1, and both sides of the fixed plate 4 are slidably installed with Side plate 5, one side of the two side plates 5 are fixedly installed on one side of the fixed base 6, the fixed base 6 is located on one side of the fixed plate 4, one side of the fixed base 6 is provided with a fixed hole, and the movable base 7 is installed slidingly In the fixed hole, dust removal rollers 13 are rotatably installed on both sides of the fixed seat 6, and gears 14 are fixedly sleeved on the two dust removal rollers 13, and two racks are fixedly installed on the inner wall of one side of the optical splitter 1 12. The gear 14 meshes with the corresponding rack 12.
本发明中，移动座7的一侧开设有转动槽16，转动槽16内转动安装有转动杆8，固定板4的一侧转动安装有两个链轮9，两个链轮9上啮合有同一个链条10，电机11带动链轮9转动，链轮9带动链条10运动，链条10带动转动杆8来回移动。In the present invention, a rotating groove 16 is provided on one side of the movable seat 7, a rotating rod 8 is rotatably installed in the rotating groove 16, and two sprockets 9 are rotatably installed on one side of the fixed plate 4, and the two sprockets 9 are engaged with For the same chain 10, the motor 11 drives the sprocket 9 to rotate, the sprocket 9 drives the chain 10 to move, and the chain 10 drives the rotating rod 8 to move back and forth.
本发明中，转动杆8固定连接在链条10上，固定板4的另一侧固定安装有电机11，电机11的输出轴固定连接在链轮9上。In the present invention, the rotating rod 8 is fixedly connected to the chain 10, the other side of the fixed plate 4 is fixedly installed with a motor 11, and the output shaft of the motor 11 is fixedly connected to the sprocket 9.
本发明中，固定板4的两侧均开设有滑槽，两个侧板5相互靠近的一侧均固定安装有滑块15，滑块15滑动安装在对应的滑槽内，侧板5移动时带动滑块15在滑槽内滑动，可以稳定侧板5移动时的位置。In the present invention, sliding grooves are provided on both sides of the fixed plate 4, and sliding blocks 15 are fixedly installed on the sides of the two side plates 5 close to each other. The sliding blocks 15 are slidably installed in the corresponding sliding grooves, and the side plates 5 move When driving the slider 15 to slide in the chute, the position of the side plate 5 when it moves can be stabilized.
本发明中，固定座6的两侧均开设有凹槽，两个除尘辊13的一端转动安装在对应的两个凹槽内，除尘辊13在凹槽内转动可以稳定除尘辊13转动时的位置。In the present invention, both sides of the fixed seat 6 are provided with grooves, and one ends of the two dust removal rollers 13 are rotatably installed in the corresponding two grooves. The dust removal roller 13 rotates in the grooves to stabilize the rotation of the dust removal roller 13 Location.
本发明中，通过电机11带动链轮9转动，链轮9带动链条10运动，链条10带动转动杆8来回移动，转动杆8移动到链轮9处时在转动槽16内转动并带动移动座7在固定孔内滑动，移动座7带动固定座6来回移动，固定座6带动两个除尘辊13上下来回移动，除尘辊13带动对应的齿轮14移动，齿轮14与对应的齿条12啮合并转动，齿轮14带动对应的除尘辊13转动，除尘辊13对光分路器1进行除 尘，除尘扇3将光分路器1内的灰尘进行排出；本发明结构合理，该光分路器1的除尘效果较好，保证了光分路器1的使用寿命和使用效率。In the present invention, the motor 11 drives the sprocket 9 to rotate, the sprocket 9 drives the chain 10 to move, and the chain 10 drives the rotating rod 8 to move back and forth. When the rotating rod 8 moves to the sprocket 9, it rotates in the rotating slot 16 and drives the moving seat. 7 slides in the fixed hole, the movable seat 7 drives the fixed seat 6 to move back and forth, the fixed seat 6 drives the two dust-removing rollers 13 to move up and down, the dust-removing roller 13 drives the corresponding gear 14 to move, and the gear 14 meshes with the corresponding rack 12 And rotate, the gear 14 drives the corresponding dust-removing roller 13 to rotate, the dust-removing roller 13 removes dust from the optical splitter 1, and the dust-removing fan 3 discharges the dust in the optical splitter 1; the structure of the present invention is reasonable, and the optical splitter The dust removal effect of 1 is better, and the service life and use efficiency of the optical splitter 1 are guaranteed.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Anyone familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution of the present invention Equivalent replacements or changes to its inventive concept should all fall within the protection scope of the present invention.

Claims (5)

  1. 一种除尘型PLC光分路器，包括光分路器(1)、除尘扇(3)、固定板(4)、固定座(6)和移动座(7)，其特征在于，所述光分路器(1)的两侧内壁上均开设有除尘孔(2)，所述除尘扇(3)固定安装有对应的除尘孔(2)内，所述固定板(4)的两侧分别固定安装在光分路器(1)的两侧内壁上，所述固定板(4)的两侧均滑动安装有侧板(5)，两个所述侧板(5)的一侧均固定安装在固定座(6)的一侧，所述固定座(6)位于固定板(4)的一侧，所述固定座(6)的一侧开设有固定孔，所述移动座(7)滑动安装在固定孔内，所述固定座(6)的两侧均转动安装有除尘辊(13)，两个所述除尘辊(13)上均固定套设有齿轮(14)，所述光分路器(1)的一侧内壁上固定安装有两个齿条(12)，所述齿轮(14)与对应的齿条(12)啮合。A dust-removing PLC optical splitter, comprising an optical splitter (1), a dust-removing fan (3), a fixed plate (4), a fixed seat (6) and a movable seat (7), characterized in that the light Dust removal holes (2) are provided on the inner walls of both sides of the splitter (1), the dust removal fan (3) is fixedly installed in the corresponding dust removal holes (2), and the two sides of the fixed plate (4) are respectively Fixedly installed on the inner walls of both sides of the optical splitter (1), side plates (5) are slidably installed on both sides of the fixed plate (4), and one side of the two side plates (5) is fixed Installed on one side of the fixed seat (6), the fixed seat (6) is located on one side of the fixed plate (4), one side of the fixed seat (6) is provided with a fixed hole, the movable seat (7) It is slidably installed in the fixed hole, the two sides of the fixed seat (6) are rotatably installed with dust removal rollers (13), and the two dust removal rollers (13) are fixedly sleeved with gears (14), and the light Two racks (12) are fixedly installed on one side of the inner wall of the splitter (1), and the gears (14) mesh with the corresponding racks (12).
  2. 根据权利要求1所述的一种除尘型PLC光分路器，其特征在于，所述移动座(7)的一侧开设有转动槽(16)，所述转动槽(16)内转动安装有转动杆(8)，所述固定板(4)的一侧转动安装有两个链轮(9)，两个所述链轮(9)上啮合有同一个链条(10)。The dust-removing PLC optical splitter according to claim 1, characterized in that, a rotating groove (16) is opened on one side of the movable seat (7), and a rotating groove (16) is rotatably installed in the rotating groove (16). Rotating the rod (8), two sprockets (9) are rotatably installed on one side of the fixed plate (4), and the same chain (10) is engaged with the two sprockets (9).
  3. 根据权利要求2所述的一种除尘型PLC光分路器，其特征在于，所述转动杆(8)固定连接在链条(10)上，所述固定板(4)的另一侧固定安装有电机(11)，所述电机(11)的输出轴固定连接在链轮(9)上。The dust-removing PLC optical splitter according to claim 2, wherein the rotating rod (8) is fixedly connected to the chain (10), and the other side of the fixed plate (4) is fixedly installed There is a motor (11), and the output shaft of the motor (11) is fixedly connected to the sprocket (9).
  4. 根据权利要求1所述的一种除尘型PLC光分路器，其特征在于，所述固定板(4)的两侧均开设有滑槽，两个所述侧板(5)相互靠近的一侧均固定安装有滑块(15)，所述滑块(15)滑动安装在对 应的滑槽内。The dust-removing PLC optical splitter according to claim 1, characterized in that, both sides of the fixed plate (4) are provided with sliding grooves, and one of the two side plates (5) close to each other A sliding block (15) is fixedly installed on both sides, and the sliding block (15) is slidably installed in the corresponding sliding groove.
  5. 根据权利要求1所述的一种除尘型PLC光分路器，其特征在于，所述固定座(6)的两侧均开设有凹槽，两个所述除尘辊(13)的一端转动安装在对应的两个凹槽内。The dust-removing PLC optical splitter according to claim 1, wherein grooves are provided on both sides of the fixing seat (6), and one end of the two dust-removing rollers (13) is rotatably installed In the corresponding two grooves.
PCT/CN2020/098186 2020-05-26 2020-06-24 Dust-removal-type plc optical divider WO2021237857A1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6044193A (en) * 1998-07-10 2000-03-28 Siecor Operations, Llc Fiber optic interconnection enclosure having a forced air system
CN104808338A (en) * 2014-09-18 2015-07-29 常州凌凯特电子科技有限公司 Dedusting type PLC optical splitter
CN205787289U (en) * 2016-06-15 2016-12-07 河北阳天通信科技有限公司 Inserting piece type PLC optical divider
CN206470454U (en) * 2017-02-21 2017-09-05 深圳市迅特通信技术有限公司 A kind of optical branching device dustproof case body
CN108469661A (en) * 2018-06-22 2018-08-31 海峡医疗器械工程研究中心（常州）有限公司 A kind of card insert type is dust-proof to use PLC optical branching devices
CN209803424U (en) * 2019-04-30 2019-12-17 中山市光促通信有限公司 Dust removal type PLC optical divider

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6044193A (en) * 1998-07-10 2000-03-28 Siecor Operations, Llc Fiber optic interconnection enclosure having a forced air system
CN104808338A (en) * 2014-09-18 2015-07-29 常州凌凯特电子科技有限公司 Dedusting type PLC optical splitter
CN205787289U (en) * 2016-06-15 2016-12-07 河北阳天通信科技有限公司 Inserting piece type PLC optical divider
CN206470454U (en) * 2017-02-21 2017-09-05 深圳市迅特通信技术有限公司 A kind of optical branching device dustproof case body
CN108469661A (en) * 2018-06-22 2018-08-31 海峡医疗器械工程研究中心（常州）有限公司 A kind of card insert type is dust-proof to use PLC optical branching devices
CN209803424U (en) * 2019-04-30 2019-12-17 中山市光促通信有限公司 Dust removal type PLC optical divider

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