CN106908202B - Water seepage detection system for optical fiber cable - Google Patents
Water seepage detection system for optical fiber cable Download PDFInfo
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- CN106908202B CN106908202B CN201710259513.8A CN201710259513A CN106908202B CN 106908202 B CN106908202 B CN 106908202B CN 201710259513 A CN201710259513 A CN 201710259513A CN 106908202 B CN106908202 B CN 106908202B
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- sleeve
- optical cable
- inner sleeve
- flange
- water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Abstract
The invention discloses an optical fiber cable water seepage detection system which comprises a base, a water immersion detection sensor, an optical cable positioning seat, an optical cable connecting device, a glass buret, a conversion box body, a PLC control cabinet, a host and a display, wherein an optical cable to be detected is fixed on the base through the optical cable positioning seat, the inner sleeve is installed in an outer sleeve, a flange is circumferentially arranged in the middle of the outer surface of the inner sleeve, a plurality of through holes distributed along the circumferential direction are formed in the area of one side of the flange of the inner sleeve, an end cover is installed at the front end of the inner sleeve or a middle clamping sleeve, a slope surface is arranged on the inner wall of the outer sleeve, so that a horn-shaped inner through hole is formed, in addition, the gap between the inner wall of the sleeve and the inner sleeve is gradually increased from the rear end to the middle, a steel ball is positioned in the through hole of the inner sleeve and between the outer sleeve and the middle clamping sleeve, and a spring is sleeved on the inner sleeve and between the flange and the front end of the outer sleeve. The detection system provided by the invention can be used for detecting water seepage of the side wall of the optical cable and the water seepage detection end of the optical cable respectively, so that the comprehensiveness and accuracy of water seepage detection are enhanced.
Description
Technical Field
The invention relates to the technical field of optical cable manufacturing detection, in particular to an optical cable water seepage detection system.
Background
The fiber optic cable is subject to moisture and rain during use, particularly outdoor fiber optic cables and submarine fiber optic cables. Under humid conditions, water can cause attenuation of the water peak of the fiber, which can in turn lead to fiber breakage through osmotic corrosion. Water can not only diffuse through the cable jacket layer into the cable interior but also flow laterally along the cable core to the closure causing disruption to the communication system. Therefore, the water permeability of the optical cable is a key technical index in the manufacturing process of the optical cable.
In actual production process, optical cable infiltration detects and adopts 1 meter optical cable generally, applys 1 meter high water column, and the optical cable infiltration condition is observed for 8 hours, and current optical cable is twined the sticky tape that blocks water and seals the glue for the optical cable outside with infiltration detection device's connected mode, and it is time consuming, laborious, with high costs and inefficiency to lead to secondary detection because of the optical cable joint infiltration leads to the water level to drop in detecting, though can the manual work moisturizing but can't do real-time moisturizing, especially when the workman at night shift is in the people's drowsiness.
Disclosure of Invention
The invention aims to provide an optical fiber cable water seepage detection system, which processes devices such as a sensor and the like through a PLC control system, displays and feeds back the devices in real time on a display, and can further upload experimental data to a numerical control center through a network interface for data recording and water seepage reason analysis, so that the data interaction of production, personnel and the central control center is realized, the manpower is greatly saved, and the working efficiency is improved.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an optic fibre optical cable infiltration detecting system, includes base, water logging sensor, optical cable locating seat, optical cable connecting device, glass buret, conversion box, PLC switch board, host computer and display, and an optical cable to be detected is fixed through optical cable locating seat on the base, and this optical cable to be detected middle part and terminal all are provided with water logging sensor, and the other end is through optical cable connecting device with a water piping connection, this water pipe with glass buret is connected, glass buret is fixed in through a support on the conversion box, a inlet tube with glass buret intercommunication, the PLC switch board is fixed in on the base, host computer and display set gradually in on the PLC switch board, the host computer is connected through a wire with the PLC switch board;
the optical cable connecting device further comprises a water pipe sleeve, an outer sleeve, an inner sleeve, a middle clamping sleeve, a check ring and a steel ball, wherein the water pipe sleeve is fixedly connected with the outer sleeve, the middle clamping sleeve is embedded into the inner sleeve, and the inner sleeve is arranged in the outer sleeve;
the middle part of the outer surface of the inner sleeve is provided with a flange along the circumferential direction, a plurality of through holes distributed along the circumferential direction are formed in the area of one side of the flange of the inner sleeve, a plurality of positioning holes are formed in the end surface of the other side of the flange of the inner sleeve along the circumferential direction, a plurality of strip-shaped grooves arranged along the axial direction are formed in the rear part of the middle clamping sleeve, and positioning pins used for being embedded into the positioning holes of the inner sleeve are arranged on the front end surface of the middle clamping sleeve;
the retainer ring is installed in the outer sleeve rear end and is located the inner sleeve, middle clamping sleeve rear side, and an end cover is installed on inner sleeve or middle clamping sleeve front end, and the inner wall that is located the outer sleeve has the slope to form the interior through-hole of horn-shaped, and the clearance between inner wall and the inner sleeve of sleeve gradually increases from the rear end to the middle part in addition, the steel ball is located the through-hole of inner sleeve and is located between outer sleeve and the middle clamping sleeve, and a spring suit is on the inner sleeve and is located between flange and the outer sleeve front end.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the plurality of strip-shaped grooves are uniformly distributed along the circumferential direction.
2. In the above scheme, the number of the plurality of strip-shaped grooves is 4.
3. In the scheme, the number of the through holes of the inner sleeve and the number of the steel balls arranged in the through holes are 4.
4. In the scheme, the slope surface is positioned at the middle rear part of the inner wall of the outer sleeve.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages and effects:
1. according to the optical fiber cable water seepage detection system, the water seepage detection sensors are respectively arranged at the middle part and the tail end of the optical fiber cable to be detected, and water seepage detection is respectively carried out on the side wall of the optical fiber cable and the water seepage detection end of the optical fiber cable, so that the comprehensiveness and the accuracy of water seepage detection are enhanced.
2. The optical fiber cable water seepage detection system is provided with the PLC control cabinet, the host and the display, the devices such as the sensor are processed through the PLC control system, real-time display and feedback are carried out on the display, experimental data can be further uploaded to the numerical control center through the network interface for data recording and water seepage reason analysis, and therefore data interaction of production, personnel and the central control center is achieved.
3. According to the optical fiber cable water seepage detection system, the middle part of the outer surface of the inner sleeve of the optical fiber cable connection device is provided with the flange along the circumferential direction, the area of the inner sleeve, which is positioned at one side of the flange, is provided with the plurality of through holes distributed along the circumferential direction, the steel balls are positioned in the through holes of the inner sleeve and between the outer sleeve and the middle clamping sleeve, and the optical fiber cable is axially positioned through the steel balls, so that the positioning stability of the optical fiber cable is improved; and secondly, the rear part of the middle clamping sleeve of the optical cable connecting device is provided with a plurality of strip-shaped grooves which are axially arranged, so that the middle clamping sleeve has a backtracking force, the force of the steel ball is applied to the optical cable through the clamping sleeve, the steel ball is prevented from being directly contacted with the optical cable, and the optical cable is prevented from being crushed due to the direct application of force.
4. The invention relates to an optical fiber cable water seepage detection system, wherein the inner wall of an outer sleeve of an optical fiber cable connecting device is provided with a slope surface so as to form a horn-shaped inner through hole, in addition, the gap between the inner wall of the sleeve and the inner sleeve is gradually increased from the rear end to the middle part, a spring is sleeved on the inner sleeve and is positioned between a flange and the front end of the outer sleeve, and a steel ball moves in the horn-shaped inner through hole under the action of the spring so as to reduce the pressure of the steel ball on a middle clamping sleeve and facilitate the taking and placing of the optical fiber cable.
Drawings
FIG. 1 is a schematic diagram of a water seepage detection system for an optical fiber cable according to the present invention;
FIG. 2 is a schematic diagram of a cable connection device of the fiber optic cable water seepage detection system of the present invention;
FIG. 3 is a schematic diagram of an exploded structure of an optical cable connector of the optical fiber cable water seepage detection system of the present invention;
FIG. 4 is a partial cross-sectional view of a cable connector assembly of the fiber optic cable water penetration detection system of the present invention.
In the above figures: 1. a water pipe sleeve; 2. an outer sleeve; 3. an inner sleeve; 301. a flange; 302. positioning holes; 303. a through hole; 4. a middle clamping sleeve; 401. a bar-shaped groove; 402. a positioning pin; 5. a retainer ring; 6. a spring; 9. a steel ball; 10. an end cap; 20. a base; 21. a water immersion detection sensor; 22. an optical cable positioning seat; 23. an optical cable connection device; 24. a glass burette; 25. a conversion box; 26. a PLC control cabinet; 27. a host; 28. a display; 29. a wire; 30. an optical cable to be detected; 31. a water pipe; 32. a bracket; 33. a water inlet pipe.
Detailed Description
The invention is further described below with reference to examples:
example 1: the utility model provides an optic fibre optical cable infiltration detecting system, includes base 20, water logging sensor 21, optical cable positioning seat 22, optical cable connecting device 23, glass buret 24, conversion box 25, PLC switch board 26, host computer 27 and display 28, an optical cable 30 to be detected is fixed on base 20 through optical cable positioning seat 22, this is to be detected optical cable 30 middle part and terminal all are provided with water logging sensor 21, the other end is connected with a water pipe 31 through optical cable connecting device 23, this water pipe 31 with glass buret 24 is connected, glass buret 24 is fixed on through a support 32 conversion box 25, a inlet tube 33 with glass buret 24 communicates, PLC switch board 26 is fixed in on the base 20, host computer 27 and display 28 set gradually on PLC switch board 26, host computer 27 and PLC switch board 26 are connected through a wire 29;
the optical cable connecting device 23 further comprises a water pipe sleeve 1, an outer sleeve 2, an inner sleeve 3, a middle clamping sleeve 4, a retainer ring 5 and a steel ball 9, wherein the water pipe sleeve 1 is fixedly connected with the outer sleeve 2, the middle clamping sleeve 4 is embedded into the inner sleeve 3, and the inner sleeve 3 is arranged in the outer sleeve 2;
a flange 301 is circumferentially arranged in the middle of the outer surface of the inner sleeve 3, a plurality of through holes 303 are circumferentially distributed in the area of the inner sleeve 3 on one side of the flange 301, a plurality of positioning holes 302 are circumferentially formed in the end surface of the inner sleeve 3 on the other side of the flange 301, a plurality of strip-shaped grooves 401 are axially arranged at the rear part of the middle clamping sleeve 4, and positioning pins 402 for being embedded into the positioning holes 302 of the inner sleeve 3 are arranged on the front end surface of the middle clamping sleeve 4;
the retainer ring 5 is arranged at the rear end of the outer sleeve 2 and is positioned at the rear side of the inner sleeve 3 and the middle clamping sleeve 4, the end cover 10 is arranged at the front end of the inner sleeve 3 or the middle clamping sleeve 4, the inner wall of the outer sleeve 2 is provided with a slope surface so as to form a horn-shaped inner through hole, the gap between the inner wall of the sleeve 2 and the inner sleeve 3 is gradually increased from the rear end to the middle part, the steel ball 9 is positioned in the through hole 303 of the inner sleeve 3 and is positioned between the outer sleeve 2 and the middle clamping sleeve 4, and the spring 6 is sleeved on the inner sleeve 3 and is positioned between the flange 301 and the front end of the outer sleeve 2.
The plurality of strip-shaped grooves 401 are uniformly distributed along the circumferential direction; the number of the plurality of strip grooves 401 is 4.
Example 2: the utility model provides an optic fibre optical cable infiltration detecting system, includes base 20, water logging sensor 21, optical cable positioning seat 22, optical cable connecting device 23, glass buret 24, conversion box 25, PLC switch board 26, host computer 27 and display 28, an optical cable 30 to be detected is fixed on base 20 through optical cable positioning seat 22, this is to be detected optical cable 30 middle part and terminal all are provided with water logging sensor 21, the other end is connected with a water pipe 31 through optical cable connecting device 23, this water pipe 31 with glass buret 24 is connected, glass buret 24 is fixed on through a support 32 conversion box 25, a inlet tube 33 with glass buret 24 communicates, PLC switch board 26 is fixed in on the base 20, host computer 27 and display 28 set gradually on PLC switch board 26, host computer 27 and PLC switch board 26 are connected through a wire 29;
the optical cable connecting device 23 further comprises a water pipe sleeve 1, an outer sleeve 2, an inner sleeve 3, a middle clamping sleeve 4, a retainer ring 5 and a steel ball 9, wherein the water pipe sleeve 1 is fixedly connected with the outer sleeve 2, the middle clamping sleeve 4 is embedded into the inner sleeve 3, and the inner sleeve 3 is arranged in the outer sleeve 2;
a flange 301 is circumferentially arranged in the middle of the outer surface of the inner sleeve 3, a plurality of through holes 303 are circumferentially distributed in the area of the inner sleeve 3 on one side of the flange 301, a plurality of positioning holes 302 are circumferentially formed in the end surface of the inner sleeve 3 on the other side of the flange 301, a plurality of strip-shaped grooves 401 are axially arranged at the rear part of the middle clamping sleeve 4, and positioning pins 402 for being embedded into the positioning holes 302 of the inner sleeve 3 are arranged on the front end surface of the middle clamping sleeve 4;
the retainer ring 5 is arranged at the rear end of the outer sleeve 2 and is positioned at the rear side of the inner sleeve 3 and the middle clamping sleeve 4, the end cover 10 is arranged at the front end of the inner sleeve 3 or the middle clamping sleeve 4, the inner wall of the outer sleeve 2 is provided with a slope surface so as to form a horn-shaped inner through hole, the gap between the inner wall of the sleeve 2 and the inner sleeve 3 is gradually increased from the rear end to the middle part, the steel ball 9 is positioned in the through hole 303 of the inner sleeve 3 and is positioned between the outer sleeve 2 and the middle clamping sleeve 4, and the spring 6 is sleeved on the inner sleeve 3 and is positioned between the flange 301 and the front end of the outer sleeve 2.
The number of the through holes 303 of the inner sleeve 3 and the number of the steel balls 9 arranged in the through holes 303 are 4; the slope surface is positioned at the middle rear part of the inner wall of the outer sleeve 2.
When the optical fiber cable water seepage detection system is adopted, devices such as a sensor and the like are processed through the PLC control system, real-time display and feedback are carried out on a display, experimental data can be further uploaded to the numerical control center through a network interface for data recording and water seepage cause analysis, and therefore data interaction of production, personnel and the centralized control center is achieved; secondly, the optical cable connecting device axially positions the optical cable through the steel ball, so that the stability of positioning the optical cable is improved; and the rear part of the middle clamping sleeve of the optical cable connecting device is provided with a plurality of strip-shaped grooves which are axially arranged, so that the middle clamping sleeve has a backtracking force, the force of the steel ball is applied to the optical cable through the clamping sleeve, the steel ball is prevented from being directly contacted with the optical cable, and the optical cable is prevented from being crushed due to the direct application of force.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (3)
1. The utility model provides an optic fibre cable water seepage detection system which characterized in that: the device comprises a base (20), a water immersion detection sensor (21), an optical cable positioning seat (22), an optical cable connecting device (23), a glass buret (24), a conversion box body (25), a PLC control cabinet (26), a host computer (27) and a display (28), wherein an optical cable to be detected (30) is fixed on the base (20) through the optical cable positioning seat (22), the middle part and the tail end of the optical cable to be detected (30) are both provided with the water immersion detection sensor (21), the other end of the optical cable to be detected is connected with a water pipe (31) through the optical cable connecting device (23), the water pipe (31) is connected with the glass buret (24), the glass buret (24) is fixed on the conversion box body (25) through a bracket (32), a water inlet pipe (33) is communicated with the glass buret (24), the PLC control cabinet (26) is fixed on the base (20), the host computer (27) and the display (28) are sequentially arranged on the PLC control cabinet (26), and the host computer (27) is connected with the PLC control cabinet (26) through a wire (29).
The optical cable connecting device (23) further comprises a water pipe sleeve (1), an outer sleeve (2), an inner sleeve (3), a middle clamping sleeve (4), a check ring (5) and a steel ball (9), wherein the water pipe sleeve (1) is fixedly connected with the outer sleeve (2), the middle clamping sleeve (4) is embedded into the inner sleeve (3), and the inner sleeve (3) is arranged in the outer sleeve (2);
a flange (301) is arranged in the middle of the outer surface of the inner sleeve (3) along the circumferential direction, a plurality of through holes (303) are formed in the area of the inner sleeve (3) positioned on one side of the flange (301) and distributed along the circumferential direction, a plurality of positioning holes (302) are formed in the end surface of the inner sleeve (3) positioned on the other side of the flange (301) along the circumferential direction, a plurality of strip-shaped grooves (401) are formed in the rear portion of the middle clamping sleeve (4), a positioning pin (402) used for being embedded into the positioning holes (302) of the inner sleeve (3) is arranged on the front end surface of the middle clamping sleeve (4), a plurality of strip-shaped grooves (401) are uniformly distributed along the circumferential direction, and the number of the strip-shaped grooves (401) is 4;
the retainer ring (5) is installed in outer sleeve (2) rear end and is located inner sleeve (3), middle clamping sleeve (4) rear side, and an end cover (10) is installed on inner sleeve (3) or middle clamping sleeve (4) front end, is located the inner wall of outer sleeve (2) and has the slope to form the interior through-hole of horn shape, and clearance between inner wall and inner sleeve (3) of sleeve (2) is progressively increased from the rear end to the middle part in addition, steel ball (9) are located in through-hole (303) of inner sleeve (3) and are located between outer sleeve (2) and middle clamping sleeve (4), and a spring (6) suit is on inner sleeve (3) and is located between flange (301) and outer sleeve (2) front end.
2. The fiber optic cable water penetration detection system of claim 1, wherein: the number of the through holes (303) of the inner sleeve (3) and the number of the steel balls (9) arranged in the through holes (303) are 4.
3. The fiber optic cable water penetration detection system of claim 1, wherein: the slope surface is positioned at the middle rear part of the inner wall of the outer sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259513.8A CN106908202B (en) | 2017-04-20 | 2017-04-20 | Water seepage detection system for optical fiber cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259513.8A CN106908202B (en) | 2017-04-20 | 2017-04-20 | Water seepage detection system for optical fiber cable |
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| Publication Number | Publication Date |
|---|---|
| CN106908202A CN106908202A (en) | 2017-06-30 |
| CN106908202B true CN106908202B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710259513.8A Active CN106908202B (en) | 2017-04-20 | 2017-04-20 | Water seepage detection system for optical fiber cable |
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| CN (1) | CN106908202B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732069B (en) * | 2017-04-20 | 2024-02-06 | 江苏亨通光电股份有限公司 | Interactive intelligent water seepage detection device for optical fiber cable |
| CN109470312A (en) * | 2018-12-17 | 2019-03-15 | 江苏华能电缆股份有限公司 | Hydraulic fracturing microseism distribution grating sensor bearing detection optical cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0245753A3 (en) * | 1986-05-09 | 1990-04-25 | Fujikura Ltd. | Water penetration-detecting apparatus and optical fiber cable using same |
| CN203551213U (en) * | 2013-09-29 | 2014-04-16 | 烽火通信科技股份有限公司 | Water seepage test apparatus for optical cables |
| CN104062082A (en) * | 2014-06-05 | 2014-09-24 | 江苏通鼎光电股份有限公司 | Device for rapidly detecting water seepage of cable and detection method thereof |
| CN204649356U (en) * | 2015-04-15 | 2015-09-16 | 西安西古光通信有限公司 | The simple and easy conversion equipment of a kind of optical cable water test |
| CN206772497U (en) * | 2017-04-20 | 2017-12-19 | 江苏亨通光电股份有限公司 | Optical fiber cable infiltration detecting system |
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2017
- 2017-04-20 CN CN201710259513.8A patent/CN106908202B/en active Active
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| CN106908202A (en) | 2017-06-30 |
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