CN210575223U - Low-voltage waterproof cable - Google Patents
Low-voltage waterproof cable Download PDFInfo
- Publication number
- CN210575223U CN210575223U CN201921940443.3U CN201921940443U CN210575223U CN 210575223 U CN210575223 U CN 210575223U CN 201921940443 U CN201921940443 U CN 201921940443U CN 210575223 U CN210575223 U CN 210575223U
- Authority
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- China
- Prior art keywords
- layer
- cable
- waterproof
- side wall
- wall surface
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 91
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a low-voltage waterproof cable, which comprises an outer sheath, wherein a protective structure is arranged inside the outer sheath, and a conductor structure is arranged inside the protective structure; the protective structure mainly comprises a first waterproof layer, a shielding layer, a second waterproof layer and a first insulating layer; first waterproof layer is installed in outer sheath inside wall face, the shielding layer is installed in first waterproof layer inside wall face, the second waterproof layer is installed in shielding layer inside wall face, the utility model relates to a cable technology field is equipped with two-layer waterproof layer, inside avoiding cable long-term contact moisture or cable protective sheath impaired time moisture to get into the cable, carries out double-deck waterproof protection to the cable, has guaranteed the insulating properties of cable, avoids the cable to puncture, has guaranteed the security, is equipped with the filler of different materials simultaneously, on the basis of supporting wire, has guaranteed the skinning nature of cable again.
Description
Technical Field
The utility model relates to the technical field of cables, specifically a low pressure waterproof cable.
Background
A cable is a conductor coated with an insulating layer, a protective layer, a shield layer, and the like for transmitting power, signal current, and signal voltage. The cable can be divided into a high-voltage cable and a low-voltage cable according to voltage. Compared with low-voltage overhead lines and low-voltage overhead insulated lines, low-voltage cable lines are more difficult to lay and maintain, but have the characteristics of reliable operation, no pole standing, no land occupation, no influence on the sight, less influence by the outside and the like, so that the low-voltage cable lines are widely applied to low-voltage power distribution systems.
The outside one deck protective sheath that adopts more of lead core of current cable, when the cable conductor meets water for a long time, partial moisture can get into the inside of cable through the one deck protective sheath, waterproof cable is the spraying powder of blocking water on the inside body of cable protective sheath for a bit, when cable protective sheath damaged back, when the cable takes place the friction with parts on every side, the powder of blocking water can be fallen by the friction, moisture still can get into in the cable, during water directly gets into low voltage power cable, cable insulation can descend, when water sees through insulating, can arouse the cable breakdown, arouse the explosion even.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to prior art, the utility model provides a low pressure waterproof cable, the lead core outside of having solved current cable adopts the one deck protective sheath more, when the cable conductor meets water for a long time, part divides can get into the inside of cable through the one deck protective sheath, waterproof cable is the spraying powder of hindering water on the inside body of cable protective sheath a bit, after the cable protective sheath is damaged, when the cable rubs with parts on every side, the powder of hindering water can be fallen by the friction, moisture still can get into in the cable, during water directly gets into low pressure power cable, cable insulation can descend, when water sees through insulating, can arouse the cable breakdown, arouse the problem of explosion even.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a low-voltage waterproof cable comprises an outer sheath, wherein a protection structure is arranged inside the outer sheath, and a conductor structure is arranged inside the protection structure;
the protective structure mainly comprises a first waterproof layer, a shielding layer, a second waterproof layer and a first insulating layer;
the first waterproof layer is arranged on the inner side wall surface of the outer sheath, the shielding layer is arranged on the inner side wall surface of the first waterproof layer, the second waterproof layer is arranged on the inner side wall surface of the shielding layer, and the first insulating layer is arranged on the inner side wall surface of the second waterproof layer.
Preferably, the conductor structure mainly comprises a first filling layer, a plurality of conducting wires with the same structure, a plurality of second insulating layers with the same structure and a second filling layer;
the first filling layer is arranged on the inner side wall surface of the first insulating layer, the plurality of leads are arranged on the inner side wall surface of the first filling layer, the plurality of shielding layers are sleeved on the outer side wall surfaces of the plurality of leads, and the second filling layer is arranged in the middle of the plurality of second insulating layers.
Preferably, a sheath protective layer is arranged on the inner side wall surface of the outer sheath.
Preferably, the outer sheath is a hollow cylindrical structure.
Preferably, the thickness of the first waterproof layer is slightly larger than that of the second waterproof layer.
Preferably, a plurality of the conducting wires are equidistantly arranged on the inner side wall surface of the first filling layer.
Has the advantages that: the utility model provides a low pressure waterproof cable possesses following beneficial effect be equipped with two-layer waterproof layer, inside moisture got into the cable when avoiding cable long-term contact moisture or cable protective sheath impaired, carried out double-deck waterproof protection to the cable, guaranteed the insulating properties of cable, avoided the cable to puncture, guaranteed the security, be equipped with the filler of different materials simultaneously, on the basis of supporting wire, guaranteed the skinning nature of cable again.
Drawings
Fig. 1 is the utility model discloses a low pressure waterproof cable's main view structure schematic diagram.
Fig. 2 is the utility model discloses a sectional structure schematic diagram is seen from the bottom to low pressure waterproof cable.
In the figure: 1-an outer sheath; 2-a first waterproof layer; 3-a shielding layer; 4-a second waterproof layer; 5-a first insulating layer; 6-a first filling layer; 7-a wire; 8-a second insulating layer; 9-a second filling layer; 10-protective sheath layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a low-voltage waterproof cable.
Example (b): a low-voltage waterproof cable comprises an outer sheath 1, wherein a protection structure is arranged inside the outer sheath 1, and a conductor structure is arranged inside the protection structure;
in the specific implementation process, the following structure can be preferably adopted as the protection structure: a first waterproof layer 2, a shielding layer 3, a second waterproof layer 4 and a first insulating layer 5; the first waterproof layer 2 is arranged on the inner side wall surface of the outer sheath 1, the shielding layer 3 is arranged on the inner side wall surface of the first waterproof layer 2, the second waterproof layer 4 is arranged on the inner side wall surface of the shielding layer 3, and the first insulating layer 5 is arranged on the inner side wall surface of the second waterproof layer 4.
In the specific implementation, the conductor structure may preferably adopt the following structure: a first filling layer 6, a plurality of conducting wires 7 with the same structure, a plurality of second insulating layers 8 with the same structure and a second filling layer 9; the first filling layer 6 is arranged on the inner side wall surface of the first insulating layer 5, the plurality of wires 7 are arranged on the inner side wall surface of the first filling layer 6, the plurality of shielding layers 3 are sleeved on the outer side wall surfaces of the plurality of wires 7, and the second filling layer 9 is arranged in the middle of the plurality of second insulating layers 8.
Wherein, it is required to be noted that: the outer sheath 1, the first insulating layer 5 and the second insulating layer 8 are made of flame-retardant polyolefin materials which have the characteristics of oil resistance, flame retardance, wear resistance and acid and alkali resistance, preferably, the outer sheath 1 is of a hollow cylindrical structure, a sheath protective layer 10 is arranged on the inner side wall surface of the outer sheath 1, and when the outer sheath 1 is damaged, the sheath protective layer 10 plays a role in protecting cables;
the first waterproof layer 2 and the second waterproof layer 4 are made of polyether polyurethane waterproof materials, and the double waterproof layers are arranged for the purpose that when the first waterproof layer 2 is damaged, the cable can still normally work and wait for maintenance, preferably, the thickness of the first waterproof layer 2 is slightly larger than that of the second waterproof layer 4, so that the weight of the cable is reduced while the waterproof effect is achieved;
the shielding layer 3 is composed of tinned copper wires or bare copper wires, so that laying generated by electrifying the cable can be prevented or reduced from being induced to peripheral parts through the cable, the cable and the peripheral parts are ensured not to interfere with each other, and the cable and the peripheral parts work normally respectively;
the plurality of conducting wires 7 with the same structure are used for power transmission, the plurality of conducting wires 7 are equidistantly arranged on the inner side wall surface of the first filling layer 6, and the plurality of second insulating layers 8 with the same structure are used for insulating the plurality of conducting wires 7 with the same structure so as to prevent electric leakage;
the first filling layer 6 is made of paper tape, so that the outer cover of the electric wire and the electric cable is easy to peel after the electric wire and the electric cable are extruded out, namely, the peeling performance is guaranteed, and the second filling layer 9 is made of polyester rope twisted body and has the effect of rounding the wire body.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A low-voltage waterproof cable comprises an outer sheath (1), and is characterized in that a protection structure is arranged inside the outer sheath (1), and a conductor structure is arranged inside the protection structure;
the protective structure mainly comprises a first waterproof layer (2), a shielding layer (3), a second waterproof layer (4) and a first insulating layer (5);
the waterproof shield is characterized in that the first waterproof layer (2) is arranged on the inner side wall surface of the outer sheath (1), the shielding layer (3) is arranged on the inner side wall surface of the first waterproof layer (2), the second waterproof layer (4) is arranged on the inner side wall surface of the shielding layer (3), and the first insulating layer (5) is arranged on the inner side wall surface of the second waterproof layer (4).
2. The low-voltage waterproof cable according to claim 1, wherein the conductor structure mainly comprises a first filling layer (6), a plurality of conducting wires (7) with the same structure, a plurality of second insulating layers (8) with the same structure and a second filling layer (9);
the first filling layer (6) is arranged on the inner side wall surface of the first insulating layer (5), the plurality of wires (7) are arranged on the inner side wall surface of the first filling layer (6), the plurality of shielding layers (3) are sleeved on the outer side wall surfaces of the plurality of wires (7), and the second filling layer (9) is arranged in the middle of the plurality of second insulating layers (8).
3. The low-voltage waterproof cable according to claim 1, characterized in that the inner side wall surface of the outer sheath (1) is provided with a sheath protective layer (10).
4. Low-voltage watertight cable according to claim 1, characterized in that said outer sheath (1) is of hollow cylindrical configuration.
5. The low-voltage waterproof cable according to claim 1, characterized in that said first waterproof layer (2) has a thickness slightly greater than the thickness of said second waterproof layer (4).
6. The low-voltage waterproof cable according to claim 2, wherein a plurality of the conducting wires (7) are equidistantly arranged on the inner side wall surface of the first filling layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921940443.3U CN210575223U (en) | 2019-11-11 | 2019-11-11 | Low-voltage waterproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921940443.3U CN210575223U (en) | 2019-11-11 | 2019-11-11 | Low-voltage waterproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210575223U true CN210575223U (en) | 2020-05-19 |
Family
ID=70660466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921940443.3U Expired - Fee Related CN210575223U (en) | 2019-11-11 | 2019-11-11 | Low-voltage waterproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210575223U (en) |
-
2019
- 2019-11-11 CN CN201921940443.3U patent/CN210575223U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200519 |