CN108808612B - Cable duct with sealing and dehumidifying functions - Google Patents
Cable duct with sealing and dehumidifying functions Download PDFInfo
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- CN108808612B CN108808612B CN201810765021.0A CN201810765021A CN108808612B CN 108808612 B CN108808612 B CN 108808612B CN 201810765021 A CN201810765021 A CN 201810765021A CN 108808612 B CN108808612 B CN 108808612B
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- cable duct
- cable
- hole
- sealing
- duct body
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a cable duct with sealing and dehumidifying functions, which comprises a cable duct body, the openings at two ends of the cable duct body are provided with sealing units, the interior of the cable duct body is provided with a dehumidifying unit, the sealing unit is used for sealing the port of the cable duct body and comprises a sealing plate in threaded connection with the inner wall of the cable duct body, a through hole which is formed in the sealing plate and through which a cable passes, and a sealing assembly arranged on the side wall of the through hole, the sealing assembly comprises an inflatable cushion annularly arranged on the inner wall of the through hole, the inflatable cushion is inflated to wrap the cable, the dehumidification unit is including setting up a plurality of humidity transducer on the cable duct body inside wall, with humidity transducer signal connection's the subassembly of dehumidifying, humidity transducer is signal connection still aerify the pad. The invention has at least the following advantages: the air-conditioning system has better sealing performance and dehumidification performance and optimized structure.
Description
Technical Field
The invention relates to the technical field of power construction, in particular to a cable guide pipe with a good sealing effect.
Background
The cable duct is a protection member widely used in power engineering, and is used for protecting the pipes of wires and cables in electrical installation, and allowing the wires and cables to be threaded and replaced. At present, the waterproof of the cable trench and the cable well mainly adopts materials such as cement, plugging mud and the like to plug the cable pipe, but the waterproof effect is not good, and the main reason is that the waterproof effect is reduced due to expansion caused by heat and contraction caused by cold and cracking between the materials and the pipeline. In addition, the daily maintenance operation of the cable inevitably damages the sealing material at the cable pipe, the cable pipe needs to be sealed again, and the replacement of the cable pipe is inconvenient in the future. And because the cable is arranged underground for a long time, water vapor is easy to permeate into the connecting part of the cable guide pipe, thereby causing influence on the cable.
Disclosure of Invention
The invention aims to provide a cable duct with sealing and dehumidifying functions, which has better sealing performance and dehumidifying performance and optimized structure.
In order to solve the above technical problems, the present invention provides a cable duct with sealing and dehumidifying functions, comprising a cable duct body, the openings at two ends of the cable duct body are provided with sealing units, the interior of the cable duct body is provided with a dehumidifying unit, the sealing unit is used for sealing the port of the cable duct body and comprises a sealing plate in threaded connection with the inner wall of the cable duct body, a through hole which is formed in the sealing plate and through which a cable passes, and a sealing assembly arranged on the side wall of the through hole, the sealing assembly comprises an inflatable cushion annularly arranged on the inner wall of the through hole, the inflatable cushion is inflated to wrap the cable, the dehumidification unit is including setting up a plurality of humidity transducer on the cable duct body inside wall, with humidity transducer signal connection's the subassembly of dehumidifying, humidity transducer is signal connection still aerify the pad.
Furthermore, be provided with on the through-hole and be used for the joint subassembly of cable, the joint subassembly is established including the ring multi-disc joint board on the through-hole inner wall.
Furthermore, the first end fixed connection of joint board inboard, the second end of through-hole inner wall extend and be close to the free setting of through-hole axis gradually along through-hole axis direction.
Further, the inflatable cushion is arranged in a gap formed by the clamping plate and the through hole, and the inflatable cushion is inflated to extrude the clamping plate until the clamping plate moves towards the direction close to the axis of the through hole and is abutted to the cable.
Furthermore, a pressure sensor for detecting the extrusion force of the inflatable cushion is arranged on the clamping plate.
Further, the cable duct body includes an inner wall and an outer wall.
Further, the inner wall comprises a lubricating layer and an electromagnetic shielding layer from inside to outside.
Further, an insulating layer is arranged between the lubricating layer and the electromagnetic shielding layer.
Further, the outer wall comprises a heat insulation layer and a hydrophobic layer from inside to outside.
Further, an ultraviolet barrier is arranged between the heat insulation layer and the hydrophobic layer.
By the technical scheme, the invention at least has the following advantages:
1. through the arrangement of the through hole and the inflatable cushion, the through hole can facilitate the cable to be installed in a penetrating way, the inflatable cushion can be inflated to effectively wrap the cable, the interior of the cable guide pipe body is effectively sealed with the outside, and the structure is optimized;
2. through being provided with humidity transducer and taking out wet subassembly, humidity transducer real time monitoring the inside humidity data of cable duct body, in case surpass the default, at first humidity transducer feeds back the signal to inflatable packer, and inflatable packer carries out exhaust state, the cable duct body passes through-hole and external intercommunication, takes out wet subassembly and outwards airs exhaust and form the circulation air current, dehumidifies the cable duct body, and the humidity that is internal until the cable duct resumes to predetermineeing the within range.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the above drawings, 1, a cable duct body; 2. a sealing plate; 3. a through hole; 4. an inflatable cushion; 5. a temperature sensor; 6. a dehumidifying component; 7. a clamping and connecting plate; 8. a pressure sensor; 9. a lubricating layer; 10. an electromagnetic shielding layer; 11. an insulating layer; 12. a thermal insulation layer; 13. a hydrophobic layer; 14. an ultraviolet ray blocking layer.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 and 2, the invention discloses a cable duct with sealing and dehumidifying functions, which comprises a cable duct body 1, wherein sealing units are arranged at openings at two ends of the cable duct body 1, a dehumidifying unit is arranged inside the cable duct body 1, and the sealing units are used for sealing the ports of the cable duct body 1.
The sealing unit comprises a sealing plate 2 in threaded connection with the inner wall of the cable guide pipe body 1, a through hole 3 formed in the sealing plate 2 and used for a cable to penetrate through, and a sealing assembly arranged on the side wall of the through hole 3. The sealing assembly comprises an inflatable cushion 4 annularly arranged on the inner wall of the through hole 3, and the inflatable cushion 4 is inflated to wrap the cable. Through being provided with through-hole 3 and inflatable packer 4, the installation can be worn to establish by the cable of being convenient for to the through-hole, inflatable packer 4 is aerifyd and can be wrapped up in effectively the cable and attach, effectively seals the inside of cable duct body 1 and external, and the structure has the optimization
The dehumidification unit is including setting up a plurality of humidity transducer 5 on the 1 inside wall of cable duct body, with humidity transducer 5 signal connection's dehumidification subassembly 6, humidity transducer 5 is signal connection still inflatable packer 4. Through being provided with humidity transducer 5 and taking out wet subassembly 6, humidity transducer 5 real time monitoring the inside humidity data of cable duct body 1, in case surpass the default, at first humidity transducer 5 feeds back the signal to inflatable packer 4, and inflatable packer 4 carries out the work of exhausting, cable duct body 1 communicates with the external world through-hole 3, takes out wet subassembly 6 and outwards airs exhaust and form the circulation air current, dehumidifies cable duct body 1 inside, and the humidity in the cable duct body 1 resumes to predetermineeing the within range.
In the invention, the through hole 3 is provided with a clamping assembly for clamping the cable, and the clamping assembly comprises a plurality of clamping plates 7 annularly arranged on the inner wall of the through hole 3. The first end fixed connection of joint board 7 inboard, the second end edge of 3 inner walls of through-hole 3 the axis direction of through-hole extends and is close to the free setting of 3 axes of through-hole gradually. The inflatable cushion 4 is arranged in a gap formed by the clamping plate 7 and the through hole 3, and the inflatable cushion 4 inflates and extrudes the clamping plate 7 until the clamping plate 7 moves towards the direction close to the axis of the through hole 3 and is abutted to the cable. Through foretell mode of setting, when inflatable packer 4 is in original condition, joint board 7 can lead to the cable betterly, when inflatable packer 4 is in the gas filled state, 7 butts of joint board the cable carries out effectual fixed, configuration optimization to the cable.
In the present invention, it is preferable that the clamping plate 7 is provided with a pressure sensor 8 for detecting the pressing force of the inflatable cushion 4. Through foretell setting mode, can guarantee the security of inflatable packer 4 extrusion in-process.
In the present invention, it is preferable that the cable duct body 1 includes an inner wall and an outer wall. The inner wall comprises a lubricating layer 9 and an electromagnetic shielding layer 10 from inside to outside, and an insulating layer 11 is arranged between the lubricating layer 9 and the electromagnetic shielding layer 10. The lubricating layer 9 plays a role in lubrication, so that the friction between the lubricating layer and the cable can be greatly reduced, and the cable is convenient to mount; the insulating layer 11 insulates and isolates the electromagnetic shielding layer 10 from the cable; the electromagnetic shielding layer 10 can play a certain role of electromagnetic shielding for the internal cable. The outer wall comprises a heat insulation layer 12 and a hydrophobic layer 13 from inside to outside; an ultraviolet ray blocking layer 14 is arranged between the heat insulating layer 12 and the water-repellent layer 13. Through being provided with hydrophobic layer 13, can let the water on the cable pipe body 1 outer wall dissipate fast, prevent or reduce under the low temperature environment cable pipe body 1 outer wall and produce and freeze.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (6)
1. A cable duct with sealing and dehumidifying functions comprises a cable duct body and is characterized in that, the openings at two ends of the cable duct body are provided with sealing units, the interior of the cable duct body is provided with a dehumidifying unit, the sealing unit is used for sealing the port of the cable duct body and comprises a sealing plate in threaded connection with the inner wall of the cable duct body, a through hole which is formed in the sealing plate and through which a cable passes, and a sealing assembly arranged on the side wall of the through hole, the sealing assembly comprises an inflatable cushion annularly arranged on the inner wall of the through hole, the inflatable cushion is inflated to wrap the cable, the dehumidifying unit comprises a plurality of humidity sensors arranged on the inner side wall of the cable duct body and a dehumidifying assembly in signal connection with the humidity sensors, and the humidity sensors are also in signal connection with the inflatable cushion;
the cable duct body is communicated with the outside through the through hole, the dehumidifying assembly exhausts air outwards to form circulating air flow, and the inside of the cable duct body is dehumidified until the humidity in the cable duct body is restored to be within a preset range;
the through hole is provided with a clamping assembly for clamping the cable, and the clamping assembly comprises a plurality of clamping plates annularly arranged on the inner wall of the through hole;
the first end of the clamping and connecting plate is fixedly connected with the inner side of the inner wall of the through hole, and the second end of the clamping and connecting plate extends along the axis direction of the through hole and is gradually and freely arranged close to the axis of the through hole;
the inflatable cushion is arranged in a gap formed by the clamping plate and the through hole, and the clamping plate is inflated and extruded by the inflatable cushion until the clamping plate moves towards the direction close to the axis of the through hole and abuts against the cable;
and the clamping plate is provided with a pressure sensor for detecting the extrusion force of the inflatable cushion.
2. The cable duct of claim 1, wherein the cable duct body includes an inner wall and an outer wall.
3. The cable duct of claim 2, wherein the inner wall comprises, from inside to outside, a lubricating layer and an electromagnetic shielding layer.
4. The cable guide of claim 3, wherein an insulating layer is disposed between the lubricating layer and the electromagnetic shielding layer.
5. The cable duct of claim 2, wherein the outer wall comprises, from inside to outside, an insulating layer and a hydrophobic layer.
6. The cable duct of claim 5, wherein an ultraviolet barrier layer is disposed between the insulating layer and the hydrophobic layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765021.0A CN108808612B (en) | 2018-07-12 | 2018-07-12 | Cable duct with sealing and dehumidifying functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765021.0A CN108808612B (en) | 2018-07-12 | 2018-07-12 | Cable duct with sealing and dehumidifying functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108808612A CN108808612A (en) | 2018-11-13 |
| CN108808612B true CN108808612B (en) | 2020-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810765021.0A Active CN108808612B (en) | 2018-07-12 | 2018-07-12 | Cable duct with sealing and dehumidifying functions |
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| Country | Link |
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| CN (1) | CN108808612B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102668984B1 (en) * | 2023-12-18 | 2024-05-24 | 주식회사 아키덤엔지니어링 | Underground power line protection pipe structure of a building |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035686C (en) * | 1992-09-04 | 1997-08-20 | 雷伊公司 | Sealing element and cable gland cover with same |
| CN205693135U (en) * | 2016-06-04 | 2016-11-16 | 贺彬 | A kind of eyelet strip of high-tension switch cabinet |
| CN206594253U (en) * | 2016-12-19 | 2017-10-27 | 福建上杭太阳电缆有限公司 | A kind of cable connector monitoring and protecting device |
| CN207039162U (en) * | 2017-08-01 | 2018-02-23 | 辽宁襄平电力勘测设计有限公司 | A kind of cable seal of tube stop water |
| CN207339214U (en) * | 2017-10-27 | 2018-05-08 | 苏州市木易船舶设备有限公司 | Glass fibre reinforced plastic cable pipe |
| CN108091440A (en) * | 2017-11-28 | 2018-05-29 | 安徽瑞侃电缆科技有限公司 | A kind of anti-electric heating cable excessively for automatically forming heat dissipation wind channel |
-
2018
- 2018-07-12 CN CN201810765021.0A patent/CN108808612B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035686C (en) * | 1992-09-04 | 1997-08-20 | 雷伊公司 | Sealing element and cable gland cover with same |
| DE69326028D1 (en) * | 1992-09-04 | 1999-09-16 | Raychem Sa Nv | SEAL |
| CN205693135U (en) * | 2016-06-04 | 2016-11-16 | 贺彬 | A kind of eyelet strip of high-tension switch cabinet |
| CN206594253U (en) * | 2016-12-19 | 2017-10-27 | 福建上杭太阳电缆有限公司 | A kind of cable connector monitoring and protecting device |
| CN207039162U (en) * | 2017-08-01 | 2018-02-23 | 辽宁襄平电力勘测设计有限公司 | A kind of cable seal of tube stop water |
| CN207339214U (en) * | 2017-10-27 | 2018-05-08 | 苏州市木易船舶设备有限公司 | Glass fibre reinforced plastic cable pipe |
| CN108091440A (en) * | 2017-11-28 | 2018-05-29 | 安徽瑞侃电缆科技有限公司 | A kind of anti-electric heating cable excessively for automatically forming heat dissipation wind channel |
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| CN108808612A (en) | 2018-11-13 |
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| PB01 | Publication | ||
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Address after: 215000 Ankou Road, Linhu Economic Zone, Qidu Town, Wujiang City, Suzhou City, Jiangsu Province Applicant after: Suzhou Jiatong Science and Technology Co., Ltd. Address before: 215000 Ankou Road, Linhu Economic Zone, Qidu Town, Wujiang City, Suzhou City, Jiangsu Province Applicant before: WUJIANG JIATONG CABLE CO., LTD. |
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