CN215183136U - Reel medium voltage cable for shore power system power supply - Google Patents
Reel medium voltage cable for shore power system power supply Download PDFInfo
- Publication number
- CN215183136U CN215183136U CN202121214248.XU CN202121214248U CN215183136U CN 215183136 U CN215183136 U CN 215183136U CN 202121214248 U CN202121214248 U CN 202121214248U CN 215183136 U CN215183136 U CN 215183136U
- Authority
- CN
- China
- Prior art keywords
- power supply
- layer
- core
- medium voltage
- voltage cable
- 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.)
- Active
Links
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 bank is reel medium voltage cable for electric system power supply, include: the cable core layer, the total shielding layer, the water-resistant layer and the outer sheath layer are sequentially arranged from inside to outside; wherein cable core layer includes power supply core and guide wire core, and power supply core and guide wire core all include the tinned conductor, and are provided with the cellosilk in the tinned conductor. The power supply wire core and the guide wire core in the reel medium-voltage cable for the shore power system are both composed of high-strength fiber yarns and high-flexibility tinned conductors, so that the cable core layer has better tensile property, high flexibility, difficulty in oxidation and the like, and is suitable for the power supply environment of the shore power system.
Description
Technical Field
The utility model relates to a wire and cable technical field, in particular to reel medium voltage cable is used in bank power system power supply.
Background
The shore power system is characterized in that a ship is parked at a wharf, a shipborne generator is powered off, a system which is specially used for supplying power and arranged on the wharf is used for supplying power, a special cable for transmitting power is a power supply reel cable of the shore power system, and the reel cable can avoid the risk that the cable is broken due to the fact that a ship body shakes up and down and left and right on the water surface when a shipborne powered system is connected with the shore power system. But the reel cable in the current market is difficult to simultaneously take the characteristics of softness, acid and alkali resistance, sunlight resistance, flexing resistance and the like into consideration.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a reel medium voltage cable is used in bank electric system power supply, can have better tensile anti bending property.
According to the utility model discloses an embodiment of the first aspect provides a reel medium voltage cable is used in bank electric system power supply, include: the cable core layer, the total shielding layer, the water-resistant layer and the outer sheath layer are sequentially arranged from inside to outside;
the cable core layer comprises a power supply wire core and a guide wire core, the power supply wire core and the guide wire core both comprise tinned conductors, and fiber filaments are arranged in the tinned conductors.
Has the advantages that: the power supply wire core and the guide wire core in the reel medium-voltage cable for the shore power system are both composed of high-strength fiber yarns and high-flexibility tinned conductors, so that the cable core layer has better tensile property, high flexibility, difficulty in oxidation and the like, and is suitable for the power supply environment of the shore power system.
According to the utility model discloses bank is reel medium voltage cable for electric system power supply, power supply core still includes conductor shield, first insulating layer and insulation shield, wherein conductor shield and insulation shield adopt cross-linked polyolefin's material to make.
According to the utility model discloses bank is reel medium voltage cable for electric system power supply, first insulation layer adopts the material of EPT rubber to make.
According to the utility model discloses the embodiment of the first aspect the reel medium voltage cable for shore power system power supply, still be provided with the phase splitting metallic shield layer outside the insulation shield layer, the phase splitting metallic shield layer adopts and weaves into netted copper wire material and make.
According to the utility model discloses bank is reel medium voltage cable for electric system power supply, the guide wire core still includes the second insulating layer, the second insulating layer adopts the material of EPT rubber to make.
According to the utility model discloses bank is reel medium voltage cable for electric system power supply, the cable sandwich layer is still including setting up the power supply core with draw fire-retardant filler between the wire core.
According to the utility model discloses the embodiment of the first aspect the reel medium voltage cable is used in bank electrical system power supply, total shielding layer sets up to the copper wire shielding layer.
According to the utility model discloses the bank is reel medium voltage cable for electric system power supply, the water blocking layer sets up to the area that blocks water.
According to the utility model discloses bank is reel medium voltage cable for electric system power supply, the oversheath layer adopts chloroprene rubber's material to make.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, a drum medium voltage cable for shore power system power supply includes: the cable comprises a cable core layer, a total shielding layer 7, a water-resistant layer 8 and an outer sheath layer 9 which are arranged from inside to outside in sequence; wherein cable sandwich layer includes power supply core and guide wire core, and power supply core and guide wire core all include tinned conductor 1, and are provided with the cellosilk in the tinned conductor 1. This bank electricity is power supply core and guide wire core among reel medium voltage cable for system power supply comprises high-strength's cellosilk and high soft tinned conductor 1, high soft tinned conductor 1 twists the cellosilk of putting into high strength simultaneously at the centre layer in the production process again, high-strength's cellosilk and high soft tinned conductor 1's structure can make power supply core and guide wire core have better tensile, high gentle, performance such as difficult oxidation, be applicable to the power supply environment of bank electricity system, the pure copper conductor that traditional power transmission used has been replaced. The power supply wire core is usually three-core, and the cross section of the conductor is 50mm2～400mm2The number of the guide wire cores is usually 3, and the cross section of the conductor is 1.5mm2～35mm2。
Preferably, the power supply core further comprises a conductor shielding layer 2, a first insulating layer 31 and an insulating shielding layer 4, wherein the conductor shielding layer 2 and the insulating shielding layer 4 are made of cross-linked polyolefin materials, and the temperature resistance and the semi-conducting performance are more stable. Preferably, the first insulating layer 31 is made of an insulating material of ethylene propylene diene monomer, and the insulating material has excellent properties of low temperature resistance, high temperature resistance and the like. The conductor shielding layer 2, the first insulating layer 31 and the insulating shielding layer 4 are produced in a three-layer co-extrusion mode.
Preferably, the insulation shielding layer 4 is further provided with a split-phase metal shielding layer 5, and the split-phase metal shielding layer 5 is made of a copper wire material woven into a net shape. The fine copper wire material is adopted and is woven into a net shape through special weaving equipment, the weaving density is 80% -83%, the traditional copper strip lapping shielding mode is replaced, the shielding efficiency is better, meanwhile, the weight is reduced, and the cost is reduced.
Preferably, the lead wire core further comprises a second insulating layer 32, the second insulating layer 32 is made of ethylene propylene diene monomer rubber, and the insulating material further has excellent performances of low temperature resistance, high temperature resistance and the like.
Preferably, the cable core layer further comprises a flame retardant filler 6 arranged between the power supply wire core and the guide wire core. The flame-retardant filler 6 is made of flame-retardant non-hygroscopic materials, the gap between the power supply wire core and the guide wire core is filled by the flame-retardant filler 6, on one hand, the roundness of the cable can be guaranteed, in addition, the thermal shock to the internal cable caused by the large temperature difference between day and night can be relieved, and the service life of the cable is prolonged.
Preferably, the total shielding layer 7 is provided as a copper wire shielding layer. Adopt the thin copper wire of stranded to dredge around the constitution, avoid adopting the strip to lead to the cable hard partially, strengthened the holistic high soft shielding effect of cable, and difficult damage in the use.
Preferably, the water-blocking layer 8 is provided as a water-blocking tape. The water-blocking tape material with good water-blocking effect is adopted, and the material can rapidly expand into a colloid after meeting water or moisture to prevent the water from further diffusing into the cable, so that the internal structure of the cable is effectively protected from being corroded.
Preferably, the outer sheath layer 9 is made of neoprene. The protective layer material has the performances of salt mist resistance, ozone resistance, weather resistance, tearing resistance, flame retardance, low temperature resistance, heat resistance and the like, overcomes the defects of poor cold resistance and poor storage stability of chloroprene rubber used for the traditional outer protective layer, and better protects the cable from being influenced by the external environment in the operation process.
The winding drum medium-voltage cable for power supply of the shore power system has the advantages of high flexibility, bending resistance, oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance, chemical reagent resistance, strong reliability, light weight, long service life and the like, and the purchase and later maintenance costs are greatly reduced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. A drum medium voltage cable for shore power system power supply, comprising: the cable core layer, the total shielding layer, the water-resistant layer and the outer sheath layer are sequentially arranged from inside to outside;
the cable core layer comprises a power supply wire core and a guide wire core, the power supply wire core and the guide wire core both comprise tinned conductors, and fiber filaments are arranged in the tinned conductors.
2. The drum medium voltage cable for shore power system power supply of claim 1, wherein: the power supply wire core further comprises a conductor shielding layer, a first insulating layer and an insulating shielding layer, wherein the conductor shielding layer and the insulating shielding layer are made of cross-linked polyolefin materials.
3. The drum medium voltage cable for shore power system power supply of claim 2, wherein: the first insulating layer is made of ethylene propylene diene monomer.
4. The drum medium voltage cable for shore power system power supply of claim 2, wherein: a split-phase metal shielding layer is further arranged outside the insulation shielding layer and is made of a copper wire material woven into a net shape.
5. The drum medium voltage cable for shore power system power supply of claim 1, wherein: the guide wire core further comprises a second insulating layer, and the second insulating layer is made of ethylene propylene diene monomer.
6. The drum medium voltage cable for shore power system power supply of claim 1, wherein: the cable core layer further includes a flame retardant filler disposed between the power supply core and the lead core.
7. The drum medium voltage cable for shore power system power supply of claim 1, wherein: the total shielding layer is a copper wire shielding layer.
8. The drum medium voltage cable for shore power system power supply of claim 1, wherein: the water-blocking layer is set as a water-blocking tape.
9. The drum medium voltage cable for shore power system power supply of claim 1, wherein: the outer sheath layer is made of chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121214248.XU CN215183136U (en) | 2021-06-01 | 2021-06-01 | Reel medium voltage cable for shore power system power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121214248.XU CN215183136U (en) | 2021-06-01 | 2021-06-01 | Reel medium voltage cable for shore power system power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215183136U true CN215183136U (en) | 2021-12-14 |
Family
ID=79376945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121214248.XU Active CN215183136U (en) | 2021-06-01 | 2021-06-01 | Reel medium voltage cable for shore power system power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215183136U (en) |
-
2021
- 2021-06-01 CN CN202121214248.XU patent/CN215183136U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104036854A (en) | High-tensile flexible corrosion-resistant degaussing cable for ship | |
| CN215183136U (en) | Reel medium voltage cable for shore power system power supply | |
| CN209843303U (en) | Suspension cable for offshore wind power generation | |
| CN213025489U (en) | High-tensile small-section high-voltage special cable | |
| CN211045108U (en) | Corrosion-resistant through ground wire cable for railway | |
| CN209947487U (en) | Woven PVC insulated wire | |
| CN210575195U (en) | Novel sheathed flame-retardant cable | |
| CN208596565U (en) | A kind of electronic automobile-used high-performance fire-resistant wire and cable | |
| CN215988167U (en) | High-light-transmittance land-sea dual-purpose medium-voltage cable | |
| CN206412105U (en) | Super soft many protection electric automobile high-voltage aluminum conductors | |
| CN104021857A (en) | Cable for seabed wind power generation | |
| CN210325294U (en) | Cross-linked polyethylene insulated anti-interference water-blocking control cable | |
| CN217690520U (en) | Multilayer protection wire and cable | |
| CN218957431U (en) | Parallel bunched overhead insulated cable for charging pile | |
| CN210606686U (en) | Novel flame-retardant cable | |
| CN210777967U (en) | High-temperature-resistant insulated power cable | |
| CN219591141U (en) | High-flexibility self-cooling high-voltage charging pile cable | |
| CN210039744U (en) | 70-degree soft insulation grade soft polyvinyl chloride plastic power cable | |
| CN217955511U (en) | Flexible wire with polyvinyl chloride sheath | |
| CN213935716U (en) | Low-voltage parallel bundling insulated cable for rail transit | |
| CN211906996U (en) | Oxygen-isolating layer copper core aluminum sheath fireproof cable | |
| CN216749367U (en) | Special cable for variable frequency motor | |
| CN218038685U (en) | Multifunctional cable | |
| CN217061502U (en) | Floating mooring low-loss stable-phase coaxial cable | |
| CN217134059U (en) | Cable with improved insulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |