CN208241671U - A kind of optical time domain reflectometer with dust reduction capability - Google Patents
A kind of optical time domain reflectometer with dust reduction capability Download PDFInfo
- Publication number
- CN208241671U CN208241671U CN201820764934.6U CN201820764934U CN208241671U CN 208241671 U CN208241671 U CN 208241671U CN 201820764934 U CN201820764934 U CN 201820764934U CN 208241671 U CN208241671 U CN 208241671U
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- CN
- China
- Prior art keywords
- cavity
- time domain
- optical time
- domain reflectometer
- filter screen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of optical time domain reflectometers with dust reduction capability, including optical time domain reflectometer, the outside of the optical time domain reflectometer is equipped with shell, the side of the shell is connected with rear cover, cavity is formed between the rear cover and optical time domain reflectometer, the upper end of the cavity side is fixedly connected with motor, shaft is fixedly connected on the output shaft of the motor, and filter screen is connected to the inside of the second cavity by shaft, the two sides of second cavity are connected with the roll shaft with hairbrush by bearing, the side of second cavity is fixedly connected with exhaust fan, the other side of the rear cover and the second cavity is equipped with ventilation hole.The utility model drives filter screen rotation by motor, and dust is brought into the inside of the second cavity, clears up dust by the roll shaft with hairbrush by filter screen, then is blown out dust by exhaust fan, improves the dust-proof effect of optical time domain reflectometer.
Description
Technical field
The utility model relates to optical time domain reflectometer technical field, specially a kind of optical time domain reflection with dust reduction capability
Instrument.
Background technique
Optical time domain reflectometer is the uniformity that optical fiber is understood by the analysis to experiment curv, defect, fracture, connector coupling
The instrument of several performances such as conjunction.It makes according to the back scattering of light and Fresnel inversion principle, is propagated in a fiber using light
When the rear orientation light that generates obtain the information of decaying, can be used for measuring optical fiber attenuation, splicing loss, fiber failure point location
And understand optical fiber along length loss distribution situation etc., be optical cable construction, maintenance and monitoring in essential tool.
The exhaust fan that traditional optical time domain reflectometer mainly passes through interior of shell radiates, but while heat dissipation, ash
Dirt can enter the inside of optical time domain reflectometer, if dust accumulation is excessive, will lead to the short circuit of optical time domain reflectometer, event occurs
Barrier.For this purpose, it is proposed that a kind of optical time domain reflectometer with dust reduction capability.
Utility model content
The purpose of this utility model is to provide a kind of optical time domain reflectometers with dust reduction capability, are driven by motor
Dust is brought into the inside of the second cavity, cleared up dust by the roll shaft with hairbrush, then by air draft by strainer rotation, filter screen
Fan blows out dust, to solve the problems, such as to propose in above-mentioned background technique to be unable to effective dust.
To achieve the above object, the utility model provides the following technical solutions: a kind of optical time domain with dust reduction capability is anti-
Instrument, including optical time domain reflectometer are penetrated, the outside of the optical time domain reflectometer is equipped with shell, after the side of the shell is connected with
Lid, is formed with cavity, the upper end of the cavity side is fixedly connected with motor, described between the rear cover and optical time domain reflectometer
Shaft is fixedly connected on the output shaft of motor, and one end of shaft is connected to the other side of cavity, the shaft by bearing
Outside be socketed with the filter screen of conveyor type, the lower end of the filter screen extends through the second cavity by the opening on plate
Inside, and filter screen is connected to the inside of the second cavity by shaft, the two sides of second cavity are connected with band by bearing
The roll shaft of hairbrush, the side of second cavity are fixedly connected with exhaust fan, and the other side of the rear cover and the second cavity is all provided with
There is ventilation hole.
Preferably, the two sides of the opening are equipped with sliding slot, and the internal slide of the sliding slot is connected with the sliding block with hairbrush.
Preferably, the sliding block is provided with two groups, and two groups of sliding blocks are fitted and connected with the two sides of filter screen respectively.
Preferably, the bottom of the rear cover and the top of the second cavity are equipped with the hasp lock being mutually matched.
Preferably, the roll shaft is provided with two groups, and two groups of roll shafts are fitted and connected with the two sides of filter screen respectively.
Preferably, inlet chamber is equipped between second cavity and optical time domain reflectometer, and inlet chamber is equipped with air inlet.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model drives filter screen rotation by motor, and dust is brought into the inside of the second cavity by filter screen,
Dust is cleared up by the roll shaft with hairbrush, then is blown out dust by exhaust fan, improves the dust-proof effect of optical time domain reflectometer；
2, the rear cover of pin joint can be opened after the utility model shell, when motor and filter screen break down, just
In the maintenance to motor and filter screen.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the area Tu1Zhong A enlarged diagram；
Fig. 3 is the area Tu1Zhong A top view；
Fig. 4 is the rear cross sectional view of the utility model.
In figure: 1 optical time domain reflectometer, 2 shells, 3 cavitys, 4 motors, 5 shafts, 6 bearings, 7 filter screens, 8 openings, 9 plates,
10 roll shafts, 11 air inlets, 12 second cavitys, 13 exhaust fans, 14 inlet chambers, 15 ventilation holes, 16 hasp locks, 17 rear covers, 18 sliding blocks,
19 sliding slots.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~4 are please referred to, the utility model provides a kind of technical solution: a kind of optical time domain reflection with dust reduction capability
The outside of instrument, including optical time domain reflectometer 1, the optical time domain reflectometer 1 is equipped with shell 2, after the side of the shell 2 is connected with
Lid 17, is formed with cavity 3 between the rear cover 17 and optical time domain reflectometer 1, the upper end of 3 side of cavity is fixedly connected with electricity
Machine 4, the motor 4 are set as the mode rotated clockwise, and dust can be first brought into the inside of the second cavity 12, the motor
Shaft 5 is fixedly connected on 4 output shaft, and one end of shaft 5 is connected to the other side of cavity 3, the shaft by bearing 6
5 outside is socketed with the filter screen 7 of conveyor type, and the lower end of the filter screen 7 extends through second by the opening 8 on plate 9
The inside of cavity 12, and filter screen 7 is connected to the inside of the second cavity 12 by shaft 5, the two sides of second cavity 12 are logical
It crosses bearing 6 and is connected with the roll shaft 10 with hairbrush, the side of second cavity 12 is fixedly connected with exhaust fan 13, the rear cover 17
Ventilation hole 15 is equipped with the other side of the second cavity 12.
Specifically, the two sides of the opening 8 are equipped with sliding slot 19, the internal slide of the sliding slot 19 is connected with the cunning with hairbrush
Block 18, the sliding block 18 are movably connected in the inside of sliding slot 19, on sliding block 18 hairbrush damage when, convenient for sliding block 18 more
It changes.
Specifically, the sliding block 18 is provided with two groups, and two sides of two groups of sliding blocks 18 respectively with filter screen 7 are fitted and connected,
Hairbrush on the sliding block 18 can first clear up the dust on filter screen 7, improve dust-proof effect.
Specifically, the bottom of the rear cover 17 and the top of the second cavity 12 are equipped with the hasp lock 16 being mutually matched, this is taken
Padlock 16 can fix rear cover 17, be also convenient for when maintenance, convenient for opening rear cover 17.
Specifically, the roll shaft 10 is provided with two groups, and two sides of two groups of roll shafts 10 respectively with filter screen 7 are fitted and connected,
The dust on filter screen 7 is cleared up by two groups of roll shafts 10, improves dust-proof effect.
Specifically, between second cavity 12 and optical time domain reflectometer 1 be equipped with inlet chamber 14, and inlet chamber 14 be equipped with into
Stomata 11, the inlet chamber 14 and air inlet 11 are that exhaust fan 13 provides air circulation, are conducive to exhaust fan 13 for dust blowout the
Two cavitys 12.
Working principle: in use, optical time domain reflectometer 1 is at work, by 17 rear side of rear cover ventilation hole 15 into
Row heat dissipation, when air flowing, the dust in outside air passes through filter screen 7, and motor 13 drives filter screen 7 to rotate, will
Dust on filter screen 7 is brought into the second cavity 12, drives the roll shaft 10 with hairbrush to rotate while filter screen 7 rotates, can
It, can be by exhaust fan 13 from when dust is scattered in the second 12 inside of cavity to clear up the dust on filter screen 7
The ventilation hole 15 of two cavitys, 12 side is blown out, and filter screen 7 can be again to filtering in process opening sliding block 18 of 8 two sides with hairbrush
Dust on net 7 is cleared up, and is avoided dust from entering the inside of optical time domain reflectometer 1 from opening 8, is improved optical time domain reflection
The dust-proof effect of instrument 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of optical time domain reflectometer with dust reduction capability, including optical time domain reflectometer (1), it is characterised in that: when described smooth
The outside of domain reflectometer (1) is equipped with shell (2), and the side of the shell (2) is connected with rear cover (17), the rear cover (17) and light
It is formed between time-domain reflectomer (1) cavity (3), the upper end of cavity (3) side is fixedly connected with motor (4), the electricity
It is fixedly connected on the output shaft of machine (4) shaft (5), and one end of shaft (5) is connected to the another of cavity (3) by bearing (6)
Side is socketed with the filter screen (7) of conveyor type on the outside of the shaft (5), and the lower end of the filter screen (7) passes through plate
(9) opening (8) on extends through the inside of the second cavity (12), and filter screen (7) is connected to the second cavity by shaft (5)
(12) two sides of inside, second cavity (12) are connected with the roll shaft (10) with hairbrush by bearing (6), and described second is empty
The side of chamber (12) is fixedly connected with exhaust fan (13), and the other side of the rear cover (17) and the second cavity (12) is equipped with ventilation
Hole (15).
2. a kind of optical time domain reflectometer with dust reduction capability according to claim 1, it is characterised in that: the opening
(8) two sides are equipped with sliding slot (19), and the internal slide of the sliding slot (19) is connected with the sliding block (18) with hairbrush.
3. a kind of optical time domain reflectometer with dust reduction capability according to claim 2, it is characterised in that: the sliding block
(18) two groups are provided with, and two sides of two groups of sliding blocks (18) respectively with filter screen (7) are fitted and connected.
4. a kind of optical time domain reflectometer with dust reduction capability according to claim 1, it is characterised in that: the rear cover
(17) top of bottom and the second cavity (12) is equipped with the hasp lock (16) being mutually matched.
5. a kind of optical time domain reflectometer with dust reduction capability according to claim 1, it is characterised in that: the roll shaft
(10) two groups are provided with, and two sides of two groups of roll shafts (10) respectively with filter screen (7) are fitted and connected.
6. a kind of optical time domain reflectometer with dust reduction capability according to claim 1, it is characterised in that: described second is empty
Inlet chamber (14) are equipped between chamber (12) and optical time domain reflectometer (1), and inlet chamber (14) is equipped with air inlet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764934.6U CN208241671U (en) | 2018-05-22 | 2018-05-22 | A kind of optical time domain reflectometer with dust reduction capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764934.6U CN208241671U (en) | 2018-05-22 | 2018-05-22 | A kind of optical time domain reflectometer with dust reduction capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241671U true CN208241671U (en) | 2018-12-14 |
Family
ID=64581418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820764934.6U Expired - Fee Related CN208241671U (en) | 2018-05-22 | 2018-05-22 | A kind of optical time domain reflectometer with dust reduction capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208241671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187348A (en) * | 2020-10-15 | 2021-01-05 | 郭天强 | Portable carrying box for optical time domain reflectometer |
| CN114389685A (en) * | 2022-03-23 | 2022-04-22 | 中国人民解放军军事科学院战争研究院 | Optical time domain reflectometer for communication optical fiber between 5G base stations and positioning method thereof |
-
2018
- 2018-05-22 CN CN201820764934.6U patent/CN208241671U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187348A (en) * | 2020-10-15 | 2021-01-05 | 郭天强 | Portable carrying box for optical time domain reflectometer |
| CN112187348B (en) * | 2020-10-15 | 2021-08-27 | 郭天强 | Portable carrying box for optical time domain reflectometer |
| CN114389685A (en) * | 2022-03-23 | 2022-04-22 | 中国人民解放军军事科学院战争研究院 | Optical time domain reflectometer for communication optical fiber between 5G base stations and positioning method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190702 Address after: Fourth Floor of 11 Building 3 in No. 2 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing North China Rhine Photoelectric Technology Co.,Ltd. Address before: Room A107, Creative Center of TCL Cultural Industrial Park, 69 Spectrum West Road, Guangzhou High-tech Industrial Development Zone, Luogang District, Guangzhou, Guangdong Province Patentee before: GUANGZHOU JUSANLIUSHA TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 |