CN112614612A

CN112614612A - Dampproofing anticreep computer cable

Info

Publication number: CN112614612A
Application number: CN202011416389.XA
Authority: CN
Inventors: 朱从林; 陆秀国; 李正宝; 於广勇; 陆会森; 邵树森; 杨金花; 陆丛林
Original assignee: Anhui Hui Ning Electrical Instrument Group Co ltd
Current assignee: Anhui Hui Ning Electrical Instrument Group Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-04-06
Also published as: WO2022121443A1; LU501991B1

Abstract

The invention provides a moisture-proof and anti-leakage computer cable which comprises an outer protective layer, an outer shielding layer and a plurality of wires, wherein the outer protective layer is made of an insulating material, the outer shielding layer is made of a metal material, the outer shielding layer wraps the outer sides of the wires, the outer protective layer wraps the outer side of the outer shielding layer, the computer cable further comprises an inner protective layer and a plurality of humidity sensors, the inner protective layer is made of an insulating material, the inner protective layer is in a circular tube shape, the inner protective layer is positioned on the inner side of the outer shielding layer, the humidity sensors are positioned on the inner side of the inner protective layer, the humidity sensors are distributed along the length direction of the inner protective layer, and the inner. Inside rainwater or humid air got into outer inoxidizing coating from the department of breaking, then inside rainwater or humid air penetrated interior inoxidizing coating and got into interior inoxidizing coating, made the inside air humidity increase that is close to the department of breaking of interior inoxidizing coating, real time monitoring feeds back to maintainer, is convenient for in time discover the damage position, avoids taking place the electric leakage.

Description

Dampproofing anticreep computer cable

Technical Field

The invention relates to the technical field of computer cables, in particular to a moisture-proof and anti-creeping computer cable.

Background

The computer cable belongs to the cable for electric equipment, and is suitable for electronic computer and automatic instrument with rated voltage of 500V or below and high interference resistance.

Computer cables in the prior art are usually hung in the air for wiring or buried under the ground for wiring, and in the using process, the cables laid in the air are easy to age and crack on the surface when being exposed to rain and sun, and are easy to crack particularly when stress action is applied to the bent part. Although the underground cable can be prevented from being exposed to the sun by rain, the acidity and alkalinity in the soil are inconsistent at different positions, so that the local part of the surface of the cable is easily corroded, the soil in some places is hollowed or loosened under the action of rainwater erosion, the soil is slipped or collapsed to a certain degree, the cable is excessively bent and stretched, and the surface of the cable is cracked.

However, in the prior art, the cable can be found to be damaged only when the cable is broken, the broken position is difficult to find, detection along the routing line is needed, and the working efficiency is low. When only the protective layer is damaged, it is difficult to find that the cable is damaged, and at this time, the wires inside the cable are in contact with an external medium (especially water and moisture), which easily causes electric leakage and affects the stability of the cable in transmitting signals.

Disclosure of Invention

The invention provides a moisture-proof and anti-creeping computer cable, which is used for solving the problem that whether the cable leaks electricity or not is difficult to find in the prior art.

In order to achieve the above purpose, the embodiment of the present invention proposes the following technical solutions:

the utility model provides a dampproofing anticreep computer cable, includes outer inoxidizing coating, outer shielding layer and many wires, outer inoxidizing coating is made by insulating material, outer shielding layer is made by metal material, outer shielding layer parcel is many the outside of wire, outer inoxidizing coating parcel is in the outer shielding layer outside still includes interior inoxidizing coating and a plurality of humidity transducer, interior inoxidizing coating is made by insulating material, interior inoxidizing coating is the pipe form, interior inoxidizing coating is located the inboard of outer shielding layer, humidity transducer is located interior inoxidizing coating is inboard, and is a plurality of humidity transducer follows the length direction of interior inoxidizing coating is arranged, interior inoxidizing coating has the gas permeability.

In some embodiments of the present application, the distance between adjacent humidity sensors is 100 ± 20 meters, or 50 ± 10 meters, or 25 ± 5 meters.

In some embodiments of the present application, a plurality of the wires are disposed around the inner protective layer.

In some embodiments of the present application, a plurality of the wires are helically disposed around the inner armor layer.

In some embodiments of the present application, the moisture-proof and anti-creeping computer cable further includes an inner shield layer made of a metal material, the inner shield layer wraps the outer side of the inner protective layer, the inner shield layer is located at a plurality of inner sides of the wire surrounding areas, and the inner shield layer has air permeability.

In some embodiments of the present application, a first air hole is formed on a surface of the inner shield layer, and the first air hole penetrates through the inner shield layer.

In some embodiments of the present application, a surface of the inner protective layer is provided with a second air hole, and the second air hole penetrates through the inner protective layer.

In some embodiments of the present application, the moisture-proof and anti-leakage computer cable further includes a plug located at an end of the inner protection layer, one of the plugs is plugged inside the inner protection layer, the plug is connected to the inner wall of the inner protection layer in a sealing manner, and the other end of the plug is exposed outside the inner protection layer.

In some embodiments of the present application, an end of the plug located outside the inner protection layer is provided with an air passage, and the air passage is communicated with an inner space of the inner protection layer.

In some embodiments of the present application, the air passage is hermetically connected to a sealing plug, the moisture-proof and leakage-proof computer cable further includes a data line, one end of the data line is located outside the inner protective layer, the other end of the data line passes through the air passage and extends into the inner protective layer, and the data line is electrically connected to the humidity sensor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a computer cable with moisture and electrical leakage protection in an embodiment of the present invention;

fig. 2 is a sectional view taken in the direction of a-a in fig. 1.

Description of reference numerals:

110. an outer protective layer; 120. an outer shield layer; 130. a wire;

210. an inner protective layer; 211. a second air hole; 220. a humidity sensor; 230. an inner shield layer; 231. a first air hole;

240. a plug; 241. an airway;

250. a sealing plug;

260. and a data line.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "some examples," or "possible implementations" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The following description of the moisture and electrical leakage resistant computer cable is provided in conjunction with fig. 1 and 2.

As mentioned in the background of the invention, the computer cable in the prior art is usually suspended in the air for wiring or buried under the ground for wiring, and during the use, the cable laid in the air is easily aged by rain and sun, and the surface is cracked, especially the stress action on the bent part is more easily cracked. Although the underground cable can be prevented from being exposed to the sun by rain, the acidity and alkalinity in the soil are inconsistent at different positions, so that the local part of the surface of the cable is easily corroded, the soil in some places is hollowed or loosened under the action of rainwater erosion, the soil is slipped or collapsed to a certain degree, the cable is excessively bent and stretched, and the surface of the cable is cracked. However, in the prior art, the cable can be found to be damaged only when the cable is broken, the broken position is difficult to find, detection along the routing line is needed, and the working efficiency is low. When only the protective layer is damaged, it is difficult to find that the cable is damaged, and at this time, the wires inside the cable are in contact with an external medium (especially water and moisture), which easily causes electric leakage and affects the stability of the cable in transmitting signals.

To solve the above technical problem, the present embodiment provides a moisture-proof and anti-electric leakage computer cable, as shown in fig. 1 and fig. 2, which includes an outer shielding layer 110, an outer shielding layer 120, and a plurality of wires 130, where the outer shielding layer 110 is made of an insulating material, the outer shielding layer 120 is made of a metal material, the outer shielding layer 120 wraps the outer sides of the plurality of wires 130, the outer shielding layer 110 wraps the outer shielding layer 120, the computer cable further includes an inner shielding layer 210 and a plurality of humidity sensors 220, the inner shielding layer 210 is made of an insulating material, the inner shielding layer 210 is in a circular tube shape, the inner shielding layer 210 is located inside the outer shielding layer 120, the humidity sensors 220 are located inside the inner shielding layer 210, the plurality of humidity sensors 220 are arranged along a length direction of the inner shielding layer 210, and the.

In the moisture-proof and anti-creeping computer cable provided by this embodiment, the humidity sensors 220 are arranged one by one along the wiring direction and electrically connected with the external monitoring board through wires, and the monitoring board of the humidity sensors 220 is a common device in the prior art, so that the monitoring board is not shown in the figure, and a computer or a single chip microcomputer can be used, for example. After outer inoxidizing coating 110 breaks, inside rainwater or humid air got into outer inoxidizing coating 110 from the department of breaking, then inside rainwater or humid air got into interior inoxidizing coating 210 through interior inoxidizing coating 210, make the inside air humidity increase that is close to the department of breaking of interior inoxidizing coating 210, the humidity transducer 220 that is close to this position can detect the air humidity of this position rapidly and feed back to outside control panel in real time, the maintainer of being convenient for in time discovers that the cable is damaged, avoids taking place the electric leakage.

In some embodiments of the present application, the distance between adjacent humidity sensors 220 is 100 ± 20 meters, or 50 ± 10 meters, or 25 ± 5 meters.

Through the setting of the above-mentioned embodiment of this application, the interval that humidity transducer 220 followed the route of laying can be decided according to actual wiring operating mode, for example in the operating mode that the obstacle is more to lead to frequently buckling, humidity transducer 220's interval suitably reduces to 10 meters or less, in the operating mode that air humidity is great or wade, also can set up the interval between humidity transducer 220 to 10 meters or less. In dry and non-kinking conditions, the source of cable damage is mainly from humans or other animals, with a low probability of damage, and therefore the spacing between the moisture sensors 220 can be set to 100 meters or more for a reasonable length of time.

In some embodiments of the present application, a plurality of wires 130 are disposed around the inner protective layer 210.

Through the setting of the above-mentioned embodiment of this application, many wires 130 set up around same axis, are forming the pipe form passageway around regional inboard, and the inoxidizing coating is located this passageway, and the outside individual layer of inoxidizing coating 210 sets up including wire 130, can avoid piling up each other between cable and the cable, and when the cable was buckled, can avoid taking place excessive extrusion and taking place the harm between cable and the cable.

In some embodiments of the present application, the plurality of wires 130 are helically disposed around the inner protective layer 210.

Through the arrangement of the above-mentioned embodiment of the application, the spiral arrangement of the conducting wire 130 can enable the whole cable to have better longitudinal ductility, similar to a cylindrical spiral spring, when the cable is subjected to an excessive pulling force, the cable is not easily broken, the inner protective layer 210 and the outer protective layer 110 are made of insulating materials and have certain elasticity, and the whole cable is stretched to avoid cable fracture.

In some embodiments of the present application, the moisture-proof and leakage-proof computer cable further includes an inner shield layer 230, the inner shield layer 230 is made of a metal material, the inner shield layer 230 is wrapped on the outer side of the inner protective layer 210, the inner shield layer 230 is located on the inner side of the surrounding area of the plurality of wires 130, and the inner shield layer 230 has air permeability.

Through the arrangement of the above-mentioned embodiment of the present application, after the outer protection layer 110 breaks at a certain position, wet air or water penetrates through the inner protection layer 210 to enter the inner protection layer 210 inner space and diffuse along the cable, the water communicates the inner protection layer 210 inner space with the outer protection layer 110 outer space, part of electromagnetic waves in the outer space can enter the inner space of the inner protection layer 210 from the damaged part, at this moment, the inner shielding layer 230 can isolate the electromagnetic waves in the inner protection layer 210 inner space, and the interference of the electromagnetic waves to the wire 130 is reduced.

In some embodiments of the present application, a first air hole 231 is formed on a surface of the inner shield layer 230, and the first air hole 231 penetrates through the inner shield layer 230.

Through the arrangement of the above-mentioned embodiment of the present application, the aperture of the first air hole 231 is set to 1mm, and the hole pitch is set to 10mm to 30mm, so that the moisture air and water can permeate the inner shield layer 230 conveniently.

In some embodiments of the present application, the surface of the inner protective layer 210 is provided with second air holes 211, and the second air holes 211 penetrate through the inner protective layer 210.

Through the arrangement of the above-mentioned embodiment of the present application, the aperture of the second air holes 211 is set to be 2mm, and the first air holes 231 are aligned with the second air holes 211 in a one-to-one correspondence, so that moisture air and water can penetrate through the first air holes 231 and the second air holes 211.

In some embodiments of the present application, the moisture-proof and leakage-proof computer cable further includes a plug 240, the plug 240 is located at an end of the inner shield 210, one end of the plug 240 is plugged inside the inner shield 210, the plug 240 is hermetically connected to an inner wall of the inner shield 210, and the other end of the plug 240 is exposed outside the inner shield 210.

The plug 240 can seal the end of the inner protection layer 210 to prevent the external moisture from entering the inner space of the inner protection layer 210 from the end of the inner protection layer 210, the end of the inner protection layer 210 has a non-porous section with a length of 50cm, and the positions with holes are all located inside the outer protection layer 110 to prevent the external moisture from entering the inner protection layer 210 from the end of the inner protection layer 210 through the second through holes.

In some embodiments of the present application, an end of the plug 240 located outside the inner protection layer 210 is provided with an air passage 241, and the air passage 241 is communicated with the inner space of the inner protection layer 210.

Through the arrangement of the above embodiment of the present application, the air passage 241 is used for being connected with an air pump or an air blower, after the damaged portion of the cable is repaired, the air pump or the air blower is used for blowing air to the inner space of the inner protection layer 210 from the air passage 241, so as to discharge wet air in the inner space of the inner protection layer 210, or the whole cable is heated by using hot air, so that water on the surface of the wire 130 at the damaged portion is evaporated. After the cable is used for a long time, if a plurality of places break, after the cable is wetted after raining, the cable is heated by using hot air to transmit heat energy from the inner space of the inner protective layer 210, so that the cable is evaporated to dryness, electric leakage is avoided, and interference of water to an electric signal is reduced.

In some embodiments of the present application, the air channel 241 is hermetically connected with a sealing plug 250, the moisture and electricity resistant computer cable further includes a data line 260, one end of the data line 260 is located outside the inner protection layer 210, the other end of the data line 260 extends into the inner protection layer 210 through the air channel 241, and the data line 260 is electrically connected with the humidity sensor 220.

Through the arrangement of the above-mentioned embodiment of the present application, the sealing plug 250 is used for sealing the air passage 241, the data line 260 connects all the humidity sensors 220 in parallel, the humidity signal detected by each humidity sensor 220 is fed back to the monitoring board separately, each humidity sensor 220 corresponds to a fixed distance, for example, the humidity sensor No. 1 220 is 100 meters away from the cable end, the humidity sensor No. 2 220 is 150 meters away from the cable end, the humidity sensor No. 3 is 250 meters … away from the cable end, preset and load these distance data into the control board, each time the humidity sensor 220 feeds back the signal, the corresponding signal source can be identified, thereby accurately judging the position of the corresponding humidity sensor 220, and finally finding the position of the cable damage.

The above examples are only illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments of the present invention as required without any inventive contribution thereto after reading the present specification, but all such modifications are intended to be protected by the following claims.

Claims

1. The utility model provides a computer cable of dampproofing anticreep, includes outer inoxidizing coating (110), outer shielding layer (120) and many wires (130), outer inoxidizing coating (110) is made by insulating material, outer shielding layer (120) is made by metal material, outer shielding layer (120) parcel is many the outside of wire (130), outer inoxidizing coating (110) parcel is in the outside of outer shielding layer (120), its characterized in that still includes interior inoxidizing coating (210) and a plurality of humidity transducer (220), interior inoxidizing coating (210) is made by insulating material, interior inoxidizing coating (210) is the pipe form, interior inoxidizing coating (210) are located the inboard of outer shielding layer (120), humidity transducer (220) are located interior inoxidizing coating (210) inboard, a plurality of humidity transducer (220) are followed the length direction of interior inoxidizing coating (210) arranges, the inner protective layer (210) has air permeability.

2. The moisture and electrical leakage resistant computer cable of claim 1, wherein a distance between adjacent ones of the humidity sensors (220) is 100 ± 20 meters or 50 ± 10 meters or 25 ± 5 meters.

3. The moisture and electrical leakage resistant computer cable of claim 1, wherein a plurality of said conductors (130) are disposed around said inner shield (210).

4. The moisture and electrical leakage resistant computer cable of claim 3, wherein a plurality of said conductors (130) are helically disposed around said inner shield (210).

5. The computer cable of claim 4, further comprising an inner shield layer (230), wherein the inner shield layer (230) is made of a metal material, the inner shield layer (230) is wrapped on the outer side of the inner protective layer (210), the inner shield layer (230) is located on the inner side of the area surrounded by the plurality of wires (130), and the inner shield layer (230) has air permeability.

6. The computer cable of claim 5, wherein the inner shielding layer (230) has a first air hole (231) on a surface thereof, and the first air hole (231) penetrates through the inner shielding layer (230).

7. The moisture-proof and leakage-proof computer cable according to claims 1 to 6, wherein the surface of the inner shield (210) is provided with a second air hole (211), and the second air hole (211) penetrates through the inner shield (210).

8. The computer cable preventing moisture and leakage according to claim 1, further comprising a plug (240), wherein the plug (240) is located at an end of the inner protection layer (210), one end of the plug (240) is plugged inside the inner protection layer (210), the plug (240) is hermetically connected with an inner wall of the inner protection layer (210), and the other end of the plug (240) is exposed outside the inner protection layer (210).

9. The moisture-proof and leakage-proof computer cable according to claim 1, wherein an air passage (241) is provided at an end of the plug (240) located outside the inner shield (210), and the air passage (241) is communicated with an inner space of the inner shield (210).

10. The computer cable of claim 9, wherein a sealing plug (250) is hermetically connected to the inside of the air channel (241), the computer cable further comprises a data line (260), one end of the data line (260) is located at the outside of the inner shield (210), the other end of the data line (260) penetrates through the air channel (241) and extends into the inside of the inner shield (210), and the data line (260) is electrically connected to the humidity sensor (220).