CN215340445U

CN215340445U - Low-insertion-loss easy-plugging variable optical attenuator

Info

Publication number: CN215340445U
Application number: CN202121695397.2U
Authority: CN
Inventors: 李鹏青
Original assignee: Wuhan Shengyi Photoelectric Technology Co ltd
Current assignee: Wuhan Shengyi Photoelectric Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-28
Anticipated expiration: 2031-07-23

Abstract

The utility model provides a low-insertion-loss easy-plugging variable optical attenuator, which relates to the technical field of variable optical attenuators, and is characterized in that a conversion device is arranged at the top of an equipment body, the bottom of the conversion device is connected with an equipment body through a conversion interface, when the variable optical attenuator is used, the top of the conversion device is provided with an LC interface, an SC interface, an ST interface and an FC interface, so that the interfaces of the variable optical attenuator can be conveniently expanded, meanwhile, the tops of the LC interface, the SC interface, the ST interface and the FC interface are provided with protective devices which can effectively protect the interfaces, the conversion device is installed through the arrangement of a threaded rod at the top of the equipment body and an internal threaded ring, so that the connection between the conversion interface and the equipment body is more stable, and meanwhile, because the conversion device is arranged at the top of the equipment body, when the conversion interface is damaged and needs to be maintained or replaced, need with the apron whole pull down, save a large amount of manpowers, simple quick replacement conversion equipment can.

Description

Low-insertion-loss easy-plugging variable optical attenuator

Technical Field

The utility model relates to the technical field of variable optical attenuators, in particular to a low-insertion-loss easy-plugging variable optical attenuator.

Background

The Variable Optical Attenuator (VOA) is one of the important optical devices in optical communication, the combination of erbium-doped fiber amplifier (EDFA) and Dense Wavelength Division Multiplexing (DWDM) technology has become the main means of high-speed and large-capacity optical fiber communication at present, the optical fiber interfaces of the existing variable optical attenuator terminal equipment are mainly classified into FC, LC, SC, ST and other types, when the optical terminal equipment is detected, optical detection instruments such as a light source, an optical power meter, an optical time domain reflectometer and the like are generally required to be used, however, the types of external optical fiber ports of the optical detection instruments are FC, and only the optical terminal equipment of the FC optical fiber interface can be detected.

Among the prior art, because frequent plug cable, the joint damages easily, consequently the probability that appears damaging is high, when the joint damages and needs to maintain or change, needs to take down the apron is whole, and adopts a plurality of screwed connection between apron and the casing, need spend a large amount of manpowers when the maintenance, leads to having the connector among the prior art and has the problem of changing inconveniently, the maintenance difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a low-insertion-loss easy-plugging variable optical attenuator.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a low variable optical attenuator who inserts that decreases easy pulling out and inserting, includes and equips the body, the top fixedly connected with conversion interface of equipping the body, the top of equipping the body is located the both sides difference fixedly connected with threaded rod of conversion interface, threaded rod swing joint has conversion equipment, conversion equipment's bottom surface fixedly connected with crossover sub, the lateral wall of threaded rod is located conversion equipment's top and the equal swing joint in bottom has the internal thread ring, the top fixedly connected with installation piece of equipping the body, installation piece swing joint has the guard plate.

Preferably, through holes are formed in the two ends of the conversion device, and the through holes of the conversion device are matched with the outer diameter of the threaded rod.

Preferably, the mounting block is movably connected with the protection plate through a rotating shaft, and an LC interface, an SC interface, an ST interface and an FC interface are arranged at the top of the conversion device.

Preferably, the top of the conversion device is connected with a mounting block, a protection plate and a rotating shaft corresponding to the LC interface, the SC interface, the ST interface and the FC interface.

Preferably, the inner side wall of the internal thread ring is provided with threads matched with the threaded rod, and the outer wall of the internal thread ring is provided with anti-skid threads.

Preferably, one side of the equipment body is fixedly connected with a display screen and a control panel, and one side of the equipment body, which is far away from the display screen, is connected with a detachable power supply.

Preferably, the conversion device is an FC interface, and the conversion joint is an FC joint.

Advantageous effects

According to the variable optical attenuator, the conversion device is arranged on the top of the equipment body, the bottom of the conversion device is connected with the equipment body through the conversion interface and the quasi-conversion connector, when the variable optical attenuator is used, the LC interface, the SC interface, the ST interface and the FC interface are arranged on the top of the conversion device, the variable optical attenuator is convenient to expand, and meanwhile the protective devices are arranged on the tops of the LC interface, the SC interface, the ST interface and the FC interface, so that the interfaces can be effectively protected.

According to the utility model, the threaded rod is arranged at the top of the equipment body, and the internal thread ring is used for installing the conversion device, so that the connection between the conversion interface and the quasi-conversion joint is more stable, and meanwhile, the conversion device is arranged at the top of the equipment body, so that the cover plate is required to be entirely detached when the conversion joint is damaged and needs to be maintained or replaced, a large amount of manpower is saved, and the conversion device is simply and quickly replaced.

Drawings

FIG. 1 is an overall view of the front of the present invention;

FIG. 2 is an overall structural view of the present invention;

FIG. 3 is a view showing a structure at A in FIG. 2.

Illustration of the drawings:

1. equipping a body; 2. a conversion device; 3. a crossover sub; 4. a threaded rod; 5. a display screen; 6. a control panel; 7. converting an interface; 8. an internally threaded ring; 9. mounting blocks; 10. a protection plate; 11. a rotating shaft; 12. a detachable power source.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-3, a low-insertion-loss easy-plugging variable optical attenuator comprises an equipment body 1, a conversion interface 7 is fixedly connected to the top of the equipment body 1, threaded rods 4 are respectively and fixedly connected to the two sides of the conversion interface 7 at the top of the equipment body 1, a conversion device 2 is movably connected to the threaded rods 4, a conversion joint 3 is fixedly connected to the bottom of the conversion device 2, inner threaded rings 8 are movably connected to the top and the bottom of the conversion device 2 at the side walls of the threaded rods 4, an installation block 9 is fixedly connected to the top of the equipment body 1, a protection plate 10 is movably connected to the installation block 9, the protection plate 10 is formed by rubber through one-step casting, the protection plate 10 can effectively improve the dustproof and waterproof properties of an LC interface, an SC interface, an ST interface and an FC interface, through holes are formed at the two ends of the conversion device 2, and the through holes of the conversion device 2 are matched with the outer diameter of the threaded rods 4, install through 11 swing joint of pivot between piece 9 and the guard plate 10, conversion equipment 2's top is equipped with the LC interface, the SC interface, ST interface and FC interface, conversion equipment 2's top be connected with the LC interface, the SC interface, ST interface and the corresponding installation piece 9 of FC interface, guard plate 10 and pivot 11, the inside wall of interior screw ring 8 seted up with 4 assorted screws of threaded rod, and the outer wall of interior screw ring 8 has seted up anti-skidding line, one side fixedly connected with display screen 5 and the control panel 6 of equipping body 1, it is connected with detachable power 12 to equip one side that body 1 kept away from display screen 5, conversion equipment 2 is the FC interface, crossover sub 3 connects for the FC.

The working principle of the utility model is as follows: when in use, after the conversion device 2 is arranged on the threaded rod 4, the conversion device 2 is moved downwards, after the connection between the conversion interface 7 and the conversion connector 3 is completed, the side wall of the threaded rod 4 is positioned on the internal threaded ring 8 movably connected with the top and the bottom of the conversion device 2, the conversion device 2 is fixed, the conversion device 2 is arranged at the top of the equipment body 1, the bottom of the conversion device 2 is connected with the equipment body 1 through the conversion interface 7 and the conversion connector 3, when in use, the top of the conversion device 2 is provided with an LC interface, an SC interface, an ST interface and an FC interface, which are convenient for expanding the variable optical attenuator interface, the top of the conversion device 2 is connected with an installation block 9, a protection plate 10 and a rotating shaft 11 which correspond to the LC interface, the SC interface, the ST interface and the FC interface, and the protection device formed by the installation block 9, the protection plate 10 and the rotating shaft 11 can effectively protect the interfaces, set up threaded rod 4 through the top of equipping body 1 to and interior screw ring 8 installs conversion equipment 2, make the connection between conversion interface 7 and the crossover sub 3 more stable, simultaneously because set up conversion equipment 2 at the top of device body, make the frequent plug that has reduced device body top conversion interface 7, when having reduced the interface damage and need maintaining or changing, need to pull down the apron is whole, save a large amount of manpowers, can simply quick replacement conversion equipment 2 through threaded rod 4 and interior screw ring 8 can.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A low insertion loss and easy-to-plug variable optical attenuator comprises an equipment body (1), and is characterized in that: the utility model discloses an equipment body, including equipment body (1), top fixedly connected with conversion interface (7), the both sides that the top of equipping body (1) is located conversion interface (7) are fixedly connected with threaded rod (4) respectively, threaded rod (4) swing joint has conversion equipment (2), the bottom surface fixedly connected with crossover sub (3) of conversion equipment (2), the lateral wall of threaded rod (4) is located the top and the equal swing joint in bottom of conversion equipment (2) have interior screw ring (8), the top fixedly connected with installation piece (9) of equipping body (1), installation piece (9) swing joint has guard plate (10).

2. A low insertion loss, easy-to-unplug variable optical attenuator as claimed in claim 1, wherein: through holes are formed in two ends of the conversion device (2), and the through holes of the conversion device (2) are matched with the outer diameter of the threaded rod (4).

3. A low insertion loss, easy-to-unplug variable optical attenuator as claimed in claim 1, wherein: the installation block (9) is movably connected with the protection plate (10) through a rotating shaft (11), and an LC interface, an SC interface, an ST interface and an FC interface are arranged at the top of the conversion device (2).

4. A low insertion loss, easy-to-unplug variable optical attenuator as claimed in claim 3, wherein: the top of the conversion device (2) is connected with a mounting block (9), a protection plate (10) and a rotating shaft (11) corresponding to an LC interface, an SC interface, an ST interface and an FC interface.

5. A low insertion loss, easy-to-unplug variable optical attenuator as claimed in claim 1, wherein: the inner side wall of the inner thread ring (8) is provided with threads matched with the threaded rod (4), and the outer wall of the inner thread ring (8) is provided with anti-skid threads.

6. A low insertion loss, easy-to-unplug variable optical attenuator as claimed in claim 1, wherein: one side of the equipment body (1) is fixedly connected with a display screen (5) and a control panel (6), and one side of the equipment body (1) far away from the display screen (5) is connected with a detachable power supply (12).

7. A low insertion loss, easy-to-unplug variable optical attenuator as claimed in claim 1, wherein: the conversion device (2) is an FC interface, and the conversion joint (3) is an FC joint.