CN222015078U - Ultraviolet-resistant long-service-life photovoltaic cable - Google Patents
Ultraviolet-resistant long-service-life photovoltaic cable Download PDFInfo
- Publication number
- CN222015078U CN222015078U CN202420079899.XU CN202420079899U CN222015078U CN 222015078 U CN222015078 U CN 222015078U CN 202420079899 U CN202420079899 U CN 202420079899U CN 222015078 U CN222015078 U CN 222015078U
- Authority
- CN
- China
- Prior art keywords
- protective layer
- layer
- cable
- protective sleeve
- photovoltaic 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
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
本实用新型提供抗紫外线高寿命光伏电缆，包括多个电缆线芯，所述电缆线芯表面包裹有绝缘层，且绝缘层表面包裹有内防护层，并且内防护层表面包裹有外防护层，所述外防护层的上下两侧分别设置有多组上防护套和下防护套，所述上防护套的两侧皆固定安装有第一连接板，所述下防护套的两侧皆固定安装有第二连接板。本实用新型通过设置有上防护套和下防护套，可以对电缆表面提供机械保护，防止电缆受到物理撞击、挤压、剪切或拉伸等外部力量的损害，在上防护套或下防护套损坏时，只需松动螺栓，将第一插板从第二连接板中抽出，即可将上防护套和下防护套取下，便于对上防护套和下防护套进行更换，操作简单，大大提高了工作人员的更换效率。
The utility model provides an anti-ultraviolet long-life photovoltaic cable, including a plurality of cable cores, the surface of the cable core is wrapped with an insulation layer, and the surface of the insulation layer is wrapped with an inner protective layer, and the surface of the inner protective layer is wrapped with an outer protective layer, and the upper and lower sides of the outer protective layer are respectively provided with a plurality of groups of upper protective sleeves and lower protective sleeves, and both sides of the upper protective sleeves are fixedly installed with a first connecting plate, and both sides of the lower protective sleeves are fixedly installed with a second connecting plate. The utility model can provide mechanical protection for the surface of the cable by providing the upper protective sleeve and the lower protective sleeve, and prevent the cable from being damaged by external forces such as physical impact, extrusion, shearing or stretching. When the upper protective sleeve or the lower protective sleeve is damaged, it is only necessary to loosen the bolts and pull the first plug plate out of the second connecting plate to remove the upper protective sleeve and the lower protective sleeve, so that the upper protective sleeve and the lower protective sleeve can be replaced easily, and the operation is simple, which greatly improves the replacement efficiency of the staff.
Description
Technical Field
The utility model belongs to the technical field of cables, and particularly relates to an ultraviolet-resistant long-service-life photovoltaic cable.
Background
The cable is exposed to sunlight for use, and a severe environment is usually encountered, and one of factors having a great influence on the cable is ultraviolet radiation. Under the condition, the aging speed of the cable is increased, and the outer sheath is cracked, so that the service life of the cable is greatly influenced, and the normal power distribution of the power utilization system is influenced.
An ultraviolet-resistant long-service-life cable with a public number of CN205810440U comprises stranded multi-strand wire cores, wherein each wire core comprises an oxygen-free copper conductor and ultraviolet-light-irradiation crosslinked polyethylene insulation and ultraviolet-light-irradiation crosslinked halogen-free low-smoke flame-retardant polyolefin insulation which are sequentially extruded outside the oxygen-free copper conductor from inside to outside; the gaps of the multi-strand wire cores are filled with polypropylene tearing films; the stranded multi-strand wire core is sequentially coated with a first non-woven fabric tape, a crosslinked polyolefin sheath lining layer and an ultraviolet-resistant polyurethane elastomer sheath from inside to outside. The cable disclosed by the utility model has a simple, reasonable and compact structure, realizes that the cable is integrally laid outdoors, has a longer service life under the condition of long-term ultraviolet irradiation, but the ultraviolet-resistant long-service-life cable has a simpler structure, can not provide mechanical protection for the surface of the cable, is easy to damage the cable, and has poorer protection for the cable, so that the novel ultraviolet-resistant long-service-life photovoltaic cable is necessary to solve the technical problems.
Disclosure of utility model
The utility model aims to provide an ultraviolet-resistant long-service-life photovoltaic cable.
In order to solve the technical problems, the ultraviolet-resistant long-service-life photovoltaic cable provided by the utility model comprises a plurality of cable cores, wherein an insulating layer is wrapped on the surfaces of the cable cores, an inner protective layer is wrapped on the surfaces of the insulating layer, an outer protective layer is wrapped on the surfaces of the inner protective layer, a plurality of groups of upper protective sleeves and lower protective sleeves are respectively arranged on the upper side and the lower side of the outer protective layer, first connecting plates are fixedly arranged on the two sides of the upper protective sleeves, second connecting plates are fixedly arranged on the two sides of the lower protective sleeves, and the second connecting plates are in contact with the first connecting plates.
Preferably, the insulating layer is of a solid structure, and the insulating layer is made of polyethylene.
Preferably, the inner protective layer is of a double-layer structure, and is made of crosslinked polyvinyl chloride materials.
Preferably, the outer surface of the inner protective layer is uniformly and fixedly provided with bumps, and the inner surface of the outer protective layer is provided with grooves matched with the bumps.
Preferably, the outer protective layer is of a double-layer structure, and is made of polyvinyl chloride materials.
Preferably, the upper protective sleeve and the lower protective sleeve are uniformly provided with penetrating holes, and the penetrating holes are in a V-shaped structure.
Preferably, the second connecting plate is inserted with a bolt, the lower surface of the first connecting plate is fixedly provided with a first plugboard, the first plugboard is inserted in the second connecting plate, and the first plugboard is provided with a screw hole matched with the bolt.
Preferably, the upper and lower sides of the outer protective layer are fixedly provided with fixing plates, one sides of the two groups of fixing plates, which are far away from each other, are provided with slots, springs are connected in the slots, the positions of the upper protective sleeve and the lower protective sleeve, which correspond to the slots, are fixedly provided with second plugboards, the second plugboards are movably inserted in the slots, and the second plugboards are in contact with the springs.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model can prevent the inner protective layer from rotating when the cable is used by arranging the convex blocks, and can keep the stability of the inner protective layer, thereby ensuring the protective effect on the cable;
2. The upper protective sleeve and the lower protective sleeve are arranged, so that mechanical protection can be provided for the surface of the cable, the cable is prevented from being damaged by external forces such as physical impact, extrusion, shearing or stretching, when the upper protective sleeve or the lower protective sleeve is damaged, the first plugboard is pulled out of the second connecting board only by loosening the bolts, the upper protective sleeve and the lower protective sleeve can be taken down, the upper protective sleeve and the lower protective sleeve are convenient to replace, the operation is simple, and the replacement efficiency of staff is greatly improved;
3. According to the utility model, the second plugboard is arranged, so that the second plugboard is driven to extrude the springs in the fixing plate when the upper protective sleeve and the lower protective sleeve are extruded, the energy dissipation effect on the upper protective sleeve and the lower protective sleeve is achieved, meanwhile, the through holes on the upper protective sleeve and the lower protective sleeve can keep the air circulation on the surface of the outer protective layer, the heat dissipation effect is achieved, the through holes of the V-shaped structure can prevent ultraviolet rays from directly irradiating the outer protective layer, and the service life of the cable is prolonged.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic view of the structure of the UV resistant long life photovoltaic cable of the present utility model;
FIG. 2 is a schematic view of the structure of the UV resistant long life photovoltaic cable of the present utility model;
FIG. 3 is a schematic view of the exploded construction of the UV resistant long life photovoltaic cable of the present utility model;
FIG. 4 is a schematic diagram of the distribution structure of springs of the UV resistant long life photovoltaic cable of the present utility model;
FIG. 5 is a schematic cross-sectional view of the lower protective jacket of the UV resistant long life photovoltaic cable of the present utility model.
In the figure: 1. a cable core; 2. an insulating layer; 3. an inner protective layer; 4. a bump; 5. an outer protective layer; 6. a protective sleeve is arranged on the upper part; 7. a lower protective sleeve; 8. a first connection plate; 9. a second connecting plate; 10. a first plugboard; 11. a fixing plate; 12. a spring; 13. and a second plugboard.
Detailed Description
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, the anti-ultraviolet long-life photovoltaic cable comprises a plurality of cable cores 1, wherein an insulating layer 2 is wrapped on the surfaces of the cable cores 1, an inner protection layer 3 is wrapped on the surfaces of the insulating layer 2, an outer protection layer 5 is wrapped on the surfaces of the inner protection layer 3, a plurality of groups of upper protection sleeves 6 and lower protection sleeves 7 are respectively arranged on the upper side and the lower side of the outer protection layer 5, a first connecting plate 8 is fixedly arranged on two sides of the upper protection sleeve 6, a second connecting plate 9 is fixedly arranged on two sides of the lower protection sleeve 7, and the second connecting plate 9 is in contact with the first connecting plate 8.
Further, the insulating layer 2 is set to solid structure, and the insulating layer 2 is made of polyethylene material, the polyethylene has good electrical insulation performance, can effectively isolate conductors and insulating materials inside the electric wire, reduce electric energy loss of the electric wire, the polyethylene has higher mechanical strength, can protect the conductors inside the electric wire from being damaged by external pressure and stress, provides reliable physical protection, has better corrosion resistance to general chemical substances, can prevent the influence of chemical corrosion of external environment on the electric wire to a certain extent, and has better flexibility and bending performance compared with other materials, can adapt to certain bending radius and installation requirements, so that the construction and installation of the electric wire are more convenient, the polyethylene material has lower moisture absorptivity, can effectively prevent moisture from penetrating into the electric wire, and reduces the corrosion and the reduction of the insulation performance of the conductor.
Further, the inner protective layer 3 is provided as a double-layer structure, and the inner protective layer 3 is made of crosslinked polyvinyl chloride, and the polyvinyl chloride has better corrosion resistance to a plurality of chemical substances, such as acid, alkali, oil and the like, so that the cable can be used in a severe chemical environment, damage to the inner conductor and the insulating layer 2 is reduced, the polyvinyl chloride has higher mechanical strength and wear resistance, and can resist the influence of external pressure and mechanical stress, and the advantages enable the cable to be more durable and reliable in the installation and transportation processes, and reduce the risks of damage and failure.
Further, the convex blocks 4 are uniformly and fixedly distributed on the outer surface of the inner protective layer 3, grooves matched with the convex blocks 4 are formed in the inner surface of the outer protective layer 5, and the convex blocks 4 are arranged, so that the inner protective layer 3 is prevented from rotating when the cable is used, the stability of the inner protective layer 3 can be kept, and the protective effect on the cable is guaranteed.
Further, the outer protective layer 5 is arranged to be of a double-layer structure, the outer protective layer 5 is made of polyvinyl chloride materials, the polyvinyl chloride has good flexibility and plasticity and is easy to bend and install, the cable is more convenient in the construction process, various complex wiring environments can be adapted, the polyvinyl chloride has good weather resistance, ultraviolet resistance, humidity, oxidation and general chemical corrosion can be resisted, the cable can keep good performance in the open air and in severe environments, the service life of the cable is prolonged, the polyvinyl chloride has certain characteristics in the aspect of flame retardant performance, and flame propagation and spontaneous combustion can be restrained. This enables the outer protective layer 5 to provide additional fire safety protection, reducing the risk of fire spreading, polyvinyl chloride is a relatively economical material with lower costs than other cable outer protective materials, such as polyethylene or polyamide, which allows the use of polyvinyl chloride as the outer protective layer 5 to reduce the cost of cable manufacture, particularly for general engineering and low voltage applications.
Further, the upper protective sleeve 6 and the lower protective sleeve 7 are uniformly provided with penetrating holes, the penetrating holes are arranged into V-shaped structures, and the penetrating holes of the V-shaped structures can prevent ultraviolet rays from directly irradiating the outer protective layer 5 while keeping the air circulation on the surface of the outer protective layer 5, so that the service life of the cable is prolonged.
Further, the bolts are inserted into the second connecting plates 9, the first plugboards 10 are fixedly mounted on the lower surface of the first connecting plates 8, the first plugboards 10 are inserted into the second connecting plates 9, screw holes matched with the bolts are formed in the first plugboards 10, and the first plugboards 10 can be disassembled and assembled through the bolts, so that workers can conveniently replace the upper protective sleeves 6 and the lower protective sleeves 7.
Further, the upper and lower both sides of outer inoxidizing coating 5 are all fixed mounting has fixed plate 11, and the slot has all been seted up to one side that two sets of fixed plates 11 kept away from each other to slot internal connection has spring 12, and go up lag 6 and lower lag 7 and correspond the position of slot and all fixedly mounted have second picture peg 13, and second picture peg 13 activity is inserted and is established in the slot, and second picture peg 13 is inconsistent with spring 12, through being provided with second picture peg 13, can drive second picture peg 13 and extrude spring 12 in fixed plate 11 when last lag 6 and lower lag 7 receive the extrusion, thereby play the effect of energy dissipation to last lag 6 and lower lag 7.
The working principle of the ultraviolet-resistant long-service-life photovoltaic cable provided by the utility model is as follows:
A first step of: when in use, the first plugboard 10 is inserted into the second connecting plate 9, the first plugboard 10 is locked through bolts, and meanwhile, the second plugboard 13 is inserted into the fixed plate 11 to extrude the springs 12;
And a second step of: when the upper protective sleeve 6 or the lower protective sleeve 7 is damaged, the bolts are loosened, the first plugboard 10 is pulled out from the second connecting plate 9, and the upper protective sleeve 6 and the lower protective sleeve 7 can be taken down, so that the whole working principle of the utility model is the above.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. Ultraviolet resistance high life photovoltaic cable, its characterized in that includes:
The cable comprises a plurality of cable cores (1), wherein an insulating layer (2) is wrapped on the surfaces of the cable cores (1), an inner protective layer (3) is wrapped on the surfaces of the insulating layer (2), an outer protective layer (5) is wrapped on the surfaces of the inner protective layer (3), a plurality of groups of upper protective sleeves (6) and lower protective sleeves (7) are respectively arranged on the upper side and the lower side of the outer protective layer (5), first connecting plates (8) are fixedly arranged on the two sides of the upper protective sleeves (6), second connecting plates (9) are fixedly arranged on the two sides of the lower protective sleeves (7), and the second connecting plates (9) are in contact with the first connecting plates (8).
2. The ultraviolet resistant high life photovoltaic cable according to claim 1, wherein: the insulating layer (2) is of a solid structure, and the insulating layer (2) is made of polyethylene materials.
3. The ultraviolet resistant high life photovoltaic cable according to claim 1, wherein: the inner protective layer (3) is of a double-layer structure, and the inner protective layer (3) is made of crosslinked polyvinyl chloride materials.
4. The ultraviolet resistant high life photovoltaic cable according to claim 1, wherein: the outer surface of the inner protective layer (3) is uniformly and fixedly provided with convex blocks (4), and the inner surface of the outer protective layer (5) is provided with grooves matched with the convex blocks (4).
5. The ultraviolet resistant high life photovoltaic cable according to claim 1, wherein: the outer protective layer (5) is of a double-layer structure, and the outer protective layer (5) is made of polyvinyl chloride materials.
6. The ultraviolet resistant high life photovoltaic cable according to claim 1, wherein: the upper protective sleeve (6) and the lower protective sleeve (7) are uniformly provided with penetrating holes, and the penetrating holes are of V-shaped structures.
7. The ultraviolet resistant high life photovoltaic cable according to claim 1, wherein: the bolt is inserted on the second connecting plate (9), a first plugboard (10) is fixedly arranged on the lower surface of the first connecting plate (8), the first plugboard (10) is inserted in the second connecting plate (9), and a screw hole matched with the bolt is formed in the first plugboard (10).
8. The ultraviolet resistant high life photovoltaic cable according to claim 1, wherein: the upper and lower both sides of outer inoxidizing coating (5) are all fixed mounting fixed plate (11), and slot has all been seted up to one side that two sets of fixed plates (11) kept away from each other to slot internal connection has spring (12), go up lag (6) and lower lag (7) and correspond the position of slot and all have second picture peg (13) fixed mounting, second picture peg (13) activity is inserted and is established in the slot, and second picture peg (13) are inconsistent with spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420079899.XU CN222015078U (en) | 2024-01-12 | 2024-01-12 | Ultraviolet-resistant long-service-life photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420079899.XU CN222015078U (en) | 2024-01-12 | 2024-01-12 | Ultraviolet-resistant long-service-life photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222015078U true CN222015078U (en) | 2024-11-15 |
Family
ID=93422644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420079899.XU Active CN222015078U (en) | 2024-01-12 | 2024-01-12 | Ultraviolet-resistant long-service-life photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222015078U (en) |
-
2024
- 2024-01-12 CN CN202420079899.XU patent/CN222015078U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203150216U (en) | 1500V low-smog halogen-free flame retardation multi-core fireproof photovoltaic cable | |
| CN112820448A (en) | Novel composite insulated flexible cable and preparation method and application thereof | |
| CN201773638U (en) | Fireproof heat-resistant environmental protection power cable | |
| CN222015078U (en) | Ultraviolet-resistant long-service-life photovoltaic cable | |
| CN215118375U (en) | Anti-cracking flame-retardant cable | |
| CN216671271U (en) | Heat dissipation type fire-resistant cable | |
| CN205881548U (en) | A waterproof, oil-resistant and fire-resistant cable | |
| CN211265745U (en) | Power transmission cable for wind power generation | |
| CN202736558U (en) | Photovoltaic cable | |
| CN113964756A (en) | CPVC high voltage electricity pipe | |
| CN222088313U (en) | Overhead photovoltaic confluence cable | |
| CN212032723U (en) | Withstand voltage type fire prevention cable | |
| CN220796310U (en) | Cable with improved cable characteristics | |
| CN219891931U (en) | Long-life cable | |
| CN217902790U (en) | Weather-proof wear-resistant compression-resistant flame-retardant power cable | |
| CN110706856A (en) | Cable wire convenient to heat dissipation | |
| CN212461208U (en) | Water-blocking moisture-proof power cable | |
| CN215183182U (en) | Tensile steel-aluminum composite twisted overhead cable | |
| CN111584126A (en) | Crosslinked polyethylene insulated polyvinyl chloride sheath power cable | |
| CN220474362U (en) | Energy-saving low-carbon copper-aluminum connector connecting cable with high resistance and crimping performance | |
| CN220962891U (en) | Fireproof moistureproof insulating crosslinked polyethylene optical cable | |
| CN218730097U (en) | Steel-cored aluminum stranded conductor overhead insulated cable | |
| CN222421424U (en) | Corrosion-resistant low-voltage power cable | |
| CN221175814U (en) | High-temperature-resistant flame-retardant composite cable | |
| CN221057196U (en) | Multifunctional aluminum alloy photovoltaic cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |