CN214149765U

CN214149765U - Information identification device of optical time domain reflectometer with dustproof function

Info

Publication number: CN214149765U
Application number: CN202120128705.7U
Authority: CN
Inventors: 昝普选
Original assignee: Shenzhen Linpu Century Communication Technology Co ltd
Current assignee: Shenzhen Linpu Century Communication Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-07
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses an information identification device of optical time domain reflectometer with dustproof function, including the reflectometer casing, the rear surface of reflectometer casing is close to both sides border position department fixed mounting and has movable axle sleeve, the upper surface of reflectometer casing is close to a border position department movable mounting and has the shield, the upper surface of reflectometer casing position department fixed mounting placed in the middle has the single mode OTDR interface, the inside fixed mounting of reflectometer casing has the control mainboard. An information recognition device of optical time domain reflectometer with dustproof function, can fix the reflectometer casing on the workstation, protect the control mainboard simultaneously, improve the stability of reflectometer, can filter noise and clutter, shielding interfering signal and interference wave spectrum shield electrostatic interference simultaneously, obtain the data information such as the bending of optical cable, fracture, improve the measuring degree of accuracy, can prevent dust to the interface effectively, reduce the dust and get into the inside probability of reflectometer.

Description

Information identification device of optical time domain reflectometer with dustproof function

Technical Field

The utility model relates to an optical cable detection device technical field, in particular to information identification device of optical time domain reflectometer with dustproof function.

Background

The optical time domain reflectometer is an instrument for understanding a plurality of performances such as uniformity, defects, fracture, joint coupling and the like of an optical fiber by analyzing a measurement curve, is manufactured according to the principle of backward scattering and Fresnel reverse of light, acquires attenuation information by utilizing backward scattering light generated when the light propagates in the optical fiber, can be used for measuring the attenuation of the optical fiber, the joint loss, the positioning of a fault point of the optical fiber, understanding the loss distribution condition of the optical fiber along the length and the like, is an essential tool in the construction, maintenance and monitoring of the optical cable, and is widely applied to the fields of optical cable detection and the like; the existing optical time domain reflectometer has certain disadvantages when in use, dust is easy to enter when the existing optical time domain reflectometer is in use, internal circuit short circuit can be caused by long-term dust accumulation, and the existing optical time domain reflectometer can be interfered by electromagnetic static electricity when in information identification, so that the measurement precision is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an information recognition apparatus for an optical time domain reflectometer having a dustproof function, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an information identification device of optical time domain reflectometer with dustproof function, includes the reflectometer casing, the rear surface of reflectometer casing is close to both sides border position department fixed mounting has the movable axle sleeve, the upper surface of reflectometer casing is close to one side border position department movable mounting has the shield, the upper surface of reflectometer casing is fixed mounting has the single mode OTDR interface in the middle of the position department, the inside fixed mounting of reflectometer casing has the control mainboard.

Preferably, the positive fixed surface of reflectometer casing installs the touch-control display screen, the positive surface of reflectometer casing is located the below position department fixed mounting of touch-control display screen and is had the menu key, the positive surface of reflectometer casing is located one side position department fixed mounting of menu key and is had switch, the inside fixed surface of reflectometer casing installs the buffer layer, the cover is established on the four corners border position of control mainboard and is installed the rubber pad.

Preferably, the inside movable mounting of activity axle sleeve has the support frame, the back of reflectometer casing is close to below position department fixed mounting and has stop device, support frame movable mounting is in stop device's inside, the lower surface of reflectometer casing is close to four corners position department fixed mounting and has the rubber foot pad.

Preferably, the upper surface of the reflectometer shell is located below the dust cover and fixedly provided with a USB interface, one side of the USB interface is fixedly provided with an SD card slot, one side of the SD card slot is fixedly provided with an Ethernet port, and the inside of the reflectometer shell is located outside the USB interface, the SD card slot and the Ethernet port and sleeved with an antistatic protective sleeve.

Preferably, an online OTDR interface is fixedly installed at a rear position of the single-mode OTDR interface, an optical power meter is fixedly installed at a position on one side of the online OTDR interface, a visual fault locator is fixedly installed at a position on one side of the optical power meter, an adapter port is fixedly installed at a position, close to an edge of one side, of the upper surface of the reflectometer housing, an anti-interference protective sleeve is sleeved at a position, located around the single-mode OTDR interface, inside the reflectometer housing, and a dust plug is sleeved on the side surfaces of the upper ends of the single-mode OTDR interface and the online OTDR interface.

Preferably, the upper surface of control mainboard fixed mounting has the optical filtering module, the upper surface of control mainboard is located the below position fixed mounting of optical filtering module and is had the light to produce the module, the upper surface of control mainboard is located one side position fixed mounting of optical filtering module and is had optical detection module, the upper surface of control mainboard is located the opposite side position fixed mounting of optical filtering module and is had main control chip.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the reflectometer shell is fixed on the workbench by matching the supporting frame with the rubber pad, the buffer layer and the rubber pad layer can protect the control mainboard, the stability of the reflectometer is improved, the power switch is turned on, the reflectometer is operated by using the menu key and the touch display screen, the dust plug at the upper end of the single-mode OTDR interface is unscrewed, the single-mode OTDR interface is connected with the optical cable to be tested, the light generation module emits the detection optical signal, the detection optical signal is transmitted into the single-mode OTDR interface after being reflected and refracted by the optical cable to be tested, the reflected light firstly filters noise and clutter by the optical filtering module, the optical loss frequency is calculated by the optical power meter, then the detection is transmitted into the optical detection module for detection, the main control chip is matched with the visual fault locator to give out the data information of bending, fracture and the like of the optical cable, then the data is displayed by the touch display screen, in the test process, the anti-interference protective sleeve can shield the interference signal and the spectrum interference, antistatic protective sheath can shield electrostatic interference, improves the measuring degree of accuracy, after the measurement, dials the shield, can link to each other with other equipment through the USB interface, expands new function, and the shield can be dustproof to the interface effectively simultaneously, reduces the dust and gets into the inside probability of reflectometer.

Drawings

Fig. 1 is a schematic front view of an overall structure of an information recognition apparatus of an optical time domain reflectometer with a dustproof function according to the present invention;

fig. 2 is a schematic back view of the overall structure of the information recognition apparatus of the optical time domain reflectometer with dust-proof function according to the present invention;

fig. 3 is a cross-sectional view of a reflector housing of an information recognition device of an optical time domain reflector with a dustproof function according to the present invention;

fig. 4 is the utility model relates to a control mainboard structural schematic diagram of the information identification device of optical time domain reflectometer with dustproof function.

In the figure: 1. a reflectometer housing; 101. a touch display screen; 102. a menu key; 103. a power switch; 104. a buffer layer; 105. a rubber pad; 2. a movable shaft sleeve; 201. a support frame; 202. a limiting device; 203. a rubber foot pad; 3. a dust cover; 301. a USB interface; 302. an SD card slot; 303. an Ethernet port; 304. an antistatic protective sleeve; 4. a single mode OTDR interface; 401. an online OTDR interface; 402. an optical power meter; 403. a visual fault locator; 404. an adapter port; 405. an anti-interference protective sleeve; 5. a control main board; 501. an optical filtering module; 502. a light generating module; 503. a light detection module; 504. and a main control chip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an information identification apparatus of an optical time domain reflectometer with a dustproof function includes a reflectometer housing 1, a movable shaft sleeve 2 is fixedly installed on a rear surface of the reflectometer housing 1 near edge positions of two sides, a dustproof cover 3 is movably installed on an upper surface of the reflectometer housing 1 near edge positions of one side, a single-mode OTDR interface 4 is fixedly installed on a central position of the upper surface of the reflectometer housing 1, and a control main board 5 is fixedly installed inside the reflectometer housing 1;

a touch display screen 101 is fixedly installed on the front surface of the reflectometer shell 1, a menu key 102 is fixedly installed at a position, below the touch display screen 101, on the front surface of the reflectometer shell 1, a power switch 103 is fixedly installed at a position, on one side of the menu key 102, on the front surface of the reflectometer shell 1, a buffer layer 104 is fixedly installed on the inner surface of the reflectometer shell 1, rubber pads 105 are sleeved and installed at the edge positions of four corners of the control main board 5, and a storage battery is fixedly installed inside the reflectometer shell 1; a supporting frame 201 is movably mounted inside the movable shaft sleeve 2, a limiting device 202 is fixedly mounted on the back surface of the reflectometer shell 1 close to the lower position, the supporting frame 201 is movably mounted inside the limiting device 202, and rubber foot pads 203 are fixedly mounted on the lower surface of the reflectometer shell 1 close to the four corners; a USB interface 301 is fixedly installed on the upper surface of the reflectometer shell 1 at the position below the dustproof cover 3, an SD card slot 302 is fixedly installed at the position of one side of the USB interface 301, an Ethernet port 303 is fixedly installed at one side of the SD card slot 302, and an antistatic protective sleeve 304 is sleeved and installed on the position, outside the USB interface 301, the SD card slot 302 and the Ethernet port 303, inside the reflectometer shell 1; an online OTDR interface 401 is fixedly installed at the rear position of the single-mode OTDR interface 4, an optical power meter 402 is fixedly installed at one side position of the online OTDR interface 401, a visual fault locator 403 is fixedly installed at one side position of the optical power meter 402, an adapter port 404 is fixedly installed at the position, close to one side edge, of the upper surface of the reflector shell 1, and an anti-interference protective sleeve 405 is sleeved and installed at the position, located around the single-mode OTDR interface 4, in the reflector shell 1; the upper surface of the control main board 5 is fixedly provided with an optical filtering module 501, the upper surface of the control main board 5 is fixedly provided with a light generating module 502 at a position below the optical filtering module 501, the upper surface of the control main board 5 is fixedly provided with a light detecting module 503 at a position at one side of the optical filtering module 501, and the upper surface of the control main board 5 is fixedly provided with a main control chip 504 at a position at the other side of the optical filtering module 501.

It should be noted that the present invention is an information recognition device of an optical time domain reflectometer with dustproof function, before use, the storage battery inside the reflectometer is charged through the adapter port 404, when in use, the support frame 201 is taken out from the position limiting device 202, the reflectometer housing 1 is fixed on a workbench by using the support frame 201 and the rubber pad 105, the control main board 5 can be protected by the buffer layer 104 and the rubber pad 203, the stability of the reflectometer is improved, the power switch 103 is turned on, the reflectometer is operated by using the menu key 102 and the touch display screen 101, the dustproof plug at the upper end of the single mode OTDR interface 4 is unscrewed, the single mode OTDR interface 4 is connected with the optical cable to be tested, the light generating module 502 emits the detection optical signal, after the reflection and refraction of the optical cable to be tested, the detection optical signal is transmitted into the single mode OTDR interface 4, the reflected light firstly filters noise and clutter through the optical filtering module 501, and the optical loss frequency is calculated by the optical power meter 402, the light detection module 503 that passes into again detects, give the data information such as bending of optical cable, fracture by the visual fault locator 403 of main control chip 504 cooperation, show via touch-control display screen 101 afterwards, in the test process, anti-interference protective sheath 405 can shield interference signal and interference wave spectrum, antistatic protective sheath 304 can shield electrostatic interference, improve the measuring degree of accuracy, after measuring, dial out shield 3, can link to each other with other equipment through USB interface 301, expand new function, shield 3 can be dustproof to the interface effectively simultaneously, reduce the inside probability of dust entering reflectometer.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an information identification device of optical time domain reflectometer with dustproof function which characterized in that: including reflectometer casing (1), the rear surface of reflectometer casing (1) is close to both sides border position department fixed mounting has movable axle sleeve (2), the upper surface of reflectometer casing (1) is close to a side border position department movable mounting has shield (3), the upper surface of reflectometer casing (1) position department fixed mounting placed in the middle has single mode OTDR interface (4), the inside fixed mounting of reflectometer casing (1) has control mainboard (5).

2. The information recognition device of an optical time domain reflectometer having a dustproof function as claimed in claim 1, wherein: the positive fixed surface of reflectometer casing (1) installs touch-control display screen (101), the below position department fixed mounting that the positive surface of reflectometer casing (1) is located touch-control display screen (101) has menu key (102), one side position department fixed mounting that the positive surface of reflectometer casing (1) is located menu key (102) has switch (103), the inside fixed surface of reflectometer casing (1) installs buffer layer (104), the cover is established on the four corners border position of control mainboard (5) and is installed rubber pad (105).

3. The information recognition device of an optical time domain reflectometer with dustproof function as claimed in claim 2, wherein: the inside movable mounting of activity axle sleeve (2) has support frame (201), the back of reflectometer casing (1) is close to below position department fixed mounting and has stop device (202), support frame (201) movable mounting is in the inside of stop device (202), the lower surface of reflectometer casing (1) is close to four corners position department fixed mounting and has rubber callus on the sole (203).

4. The information recognition device of an optical time domain reflectometer with dustproof function as claimed in claim 3, wherein: the utility model discloses a reflection appearance of light meter, including reflectometer casing (1), the upper surface of reflectometer casing (1) is located the below position department fixed mounting of shield (3) has USB interface (301), one side position department fixed mounting of USB interface (301) has SD card slot (302), one side fixed mounting of SD card slot (302) has ethernet port (303), the cover is located the outside position of USB interface (301), SD card slot (302) and ethernet port (303) in the inside of reflectometer casing (1) and is established and install antistatic protective cover (304).

5. The information recognition device of an optical time domain reflectometer with dustproof function as claimed in claim 4, wherein: an online OTDR interface (401) is fixedly mounted at the rear position of the single-mode OTDR interface (4), an optical power meter (402) is fixedly mounted at one side position of the online OTDR interface (401), a visual fault locator (403) is fixedly mounted at one side position of the optical power meter (402), an adapter port (404) is fixedly mounted at the position, close to one side edge, of the upper surface of the reflector shell (1), and an anti-interference protective sleeve (405) is sleeved at the position, located around the single-mode OTDR interface (4), inside the reflector shell (1).

6. The information recognition device of an optical time domain reflectometer with dustproof function as claimed in claim 5, wherein: the upper surface fixed mounting of control mainboard (5) has optical filter module (501), the below position department fixed mounting that the upper surface of control mainboard (5) is located optical filter module (501) has light production module (502), one side position department fixed mounting that the upper surface of control mainboard (5) is located optical filter module (501) has optical detection module (503), the opposite side position department fixed mounting that the upper surface of control mainboard (5) is located optical filter module (501) has main control chip (504).