CN219534115U - Insulating multilayer cold-resistant cable - Google Patents
Insulating multilayer cold-resistant cable Download PDFInfo
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- CN219534115U CN219534115U CN202320489638.0U CN202320489638U CN219534115U CN 219534115 U CN219534115 U CN 219534115U CN 202320489638 U CN202320489638 U CN 202320489638U CN 219534115 U CN219534115 U CN 219534115U
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- 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
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Abstract
The utility model relates to an insulating multilayer cold-resistant cable, which comprises a battery core, wherein a cold-proof mechanism used for improving the multilayer cold-proof effect is arranged on the outer surface of the battery core, an insulating mechanism used for improving the insulating effect is fixed on the outer surface of the cold-proof mechanism, the cold-proof mechanism comprises a separation frame fixed on the outer surface of the battery core, a clamping groove is formed in the outer surface of the separation frame, and a cable main body is fixed on the inner peripheral wall of the clamping groove. This cold-resistant cable of insulating multilayer through having set up cold-proof mechanism, through separating mutually supporting between frame, draw-in groove, cable body, coating, sealing sleeve and first winter protection layer and the second winter protection layer etc. can utilize separating frame and draw-in groove to separate the arrangement between the stranded cable body to reduce the damage short circuit that the mutual friction caused when transporting the installation, form the cold-proof structure of multilayer between coating and first winter protection layer and the second winter protection layer simultaneously, use in order to deal with the operation of cable under different low temperature environment.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an insulating multilayer cold-resistant cable.
Background
The cable is usually a rope-like cable formed by twisting at least two wires of several groups or groups of wires, each group of wires is mutually insulated and is often twisted around a center, the whole outside is covered with a highly insulating coating, the cable has the characteristics of inner power supply and outer insulation, and the cable is provided with a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, an aluminum alloy cable and the like, and the cable consists of single-strand or multi-strand wires and an insulating layer and is used for connecting circuits, electric appliances and the like.
The utility model discloses an insulating multilayer cold-resistant cable in chinese patent publication No. (CN 215577832U), including the foam tube, the cable sleeve has been cup jointed to the inner chamber of foam tube, the semicircle board has been cup jointed to cable sleeve's inner chamber symmetry, it has the filler rope to fill between the inner chamber of two semicircle boards, the cable wire has been cup jointed to the inner chamber of filler rope, the quantity of cable wire is five, clearance fit has the rubber piece between the inside wall of five cable wires, an insulating multilayer cold-resistant cable, the cable wire can with the rubber piece lock, the rubber piece has insulating function, can make the insulativity of cable wire improve, the material of foam tube is the polyurethane foam tube, the polyurethane foam is with the on-the-spot pouring jar or prefabricated shaping etc. method apply to the cable sleeve outer wall, more because its construction is simple and convenient, energy-conserving antiseptic effect is showing, the foam tube has the characteristic that the capacity is light and intensity is high and cold-resistant, cold-resistant performance to cable wire can further improve, but there is the problem to the cold-resistant lower influence effect to cable cold-resistant, set up to the cable material in the prior art to both sides, foam tube and low temperature steel tube, the temperature of foam tube is easy to be the thickness according to its thickness, the cable diameter, the cold-resistant rubber is easy to be broken, and the cold-resistant rubber is difficult to be mounted with the specific requirement of cable diameter and has the cold-resistant risk of being difficult to be broken, and the cable is difficult to be broken and difficult to be broken.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an insulating multilayer cold-resistant cable which has the advantages of multilayer cold resistance and the like, and solves the problem that the cold-resistant effect is affected by the lower number of cold-resistant layers of the cable in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the insulating multilayer cold-resistant cable comprises a battery core, wherein a cold-proof mechanism used for improving the multilayer cold-proof effect is arranged on the outer surface of the battery core, and an insulating mechanism used for improving the insulating effect is fixed on the outer surface of the cold-proof mechanism;
the cold-proof mechanism comprises a separation frame fixed on the outer surface of the battery cell, a clamping groove is formed in the outer surface of the separation frame, a cable main body is fixed on the inner peripheral wall of the clamping groove, a coating layer is filled on the outer surface of the cable main body, a sealing sleeve is fixed on the outer surface of the coating layer, a first cold-proof layer is fixed on the outer surface of the sealing sleeve, and a second cold-proof layer is fixed on the outer surface of the first cold-proof layer.
Further, the number of the clamping grooves is not less than two, and the clamping grooves are uniformly distributed on the outer surface of the separation frame.
Further, the coating layer is an NBR nitrile rubber layer, and the first cold-proof layer is a foaming layer.
Further, the second cold-proof layer is composite PVC polyvinyl chloride plastic, and the thicknesses of the first cold-proof layer and the second cold-proof layer are not more than two millimeters.
Further, the insulating mechanism comprises a flame retardant layer fixed on the outer surface of the second cold-proof layer, a heat insulating layer is fixed on the outer surface of the flame retardant layer, a first insulating layer is fixed on the outer surface of the heat insulating layer, a protective layer is fixed on the outer surface of the first insulating layer, and a second insulating layer is fixed on the outer surface of the protective layer.
Further, the flame-retardant layer is a polyvinyl chloride layer, and the protective layer is a thermoplastic polyurethane elastomer rubber layer.
Further, the heat insulation layer is a PTFE layer, and the thickness of the flame retardant layer and the thickness of the heat insulation layer are not more than two millimeters.
Further, the first insulating layer and the second insulating layer are fluoroplastic layers, and the thickness of the protective layer is larger than that of the first insulating layer and the second insulating layer.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. this cold-resistant cable of insulating multilayer through having set up cold-proof mechanism, through separating mutually supporting between frame, draw-in groove, cable body, coating, sealing sleeve and first winter protection layer and the second winter protection layer etc. can utilize separating frame and draw-in groove to separate the arrangement between the stranded cable body to reduce the damage short circuit that the mutual friction caused when transporting the installation, form the cold-proof structure of multilayer between coating and first winter protection layer and the second winter protection layer simultaneously, use in order to deal with the operation of cable under different low temperature environment.
2. This cold-resistant cable of insulating multilayer through having set up insulating mechanism, mutually support between insulating layer, fire-retardant layer, first insulating layer and protective layer and second insulating layer etc. can utilize fire-retardant layer and insulating layer to decay heat transfer and improve cold-proof effect and avoid the inside fire of cable to outwards spreading and arouse bigger hidden danger simultaneously, and the protective layer cooperation first insulating layer and second insulating layer can play dual insurance and can maintain the insulating effect of cable when the second insulating layer is broken and avoid electric leakage short circuit simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the cold-proof mechanism of the present utility model;
FIG. 3 is a schematic view of an insulation mechanism according to the present utility model.
In the figure: 1 electric core, 2 cold-proof mechanism, 201 separating frame, 202 draw-in groove, 203 cable body, 204 coating, 205 sealing sleeve, 206 first cold-proof layer, 207 second cold-proof layer, 3 insulating mechanism, 301 fire-retardant layer, 302 insulating layer, 303 first insulating layer, 304 protective layer, 305 second insulating layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: referring to fig. 1, an insulated multi-layer cold-resistant cable in this embodiment includes a battery core 1, a cold-proof mechanism 2 for improving multi-layer cold-proof effect is disposed on an outer surface of the battery core 1, and an insulation mechanism 3 for improving insulation effect is fixed on an outer surface of the cold-proof mechanism 2.
Embodiment two: referring to fig. 2, in order to perform multi-layer cold-proof treatment on the cable main body 203, the cold-proof mechanism 2 in this embodiment includes a partition frame 201 fixed on the outer surface of the battery core 1, a clamping groove 202 is provided on the outer surface of the partition frame 201, the cable main body 203 is fixed on the inner peripheral wall of the clamping groove 202, and the partition frame 201 and the plurality of groups of clamping grooves 202 are utilized to separate and arrange the multi-strand cable main body 203, so as to reduce the damage and short circuit caused by mutual friction during transportation and installation, the outer surface of the cable main body 203 is filled with a coating layer 204, the outer surface of the coating layer 204 is fixed with a sealing sleeve 205, the outer surface of the sealing sleeve 205 is fixed with a first cold-proof layer 206, and the outer surface of the first cold-proof layer 206 is fixed with a second cold-proof layer 207.
In this embodiment, the method is characterized in that: the number of the clamping grooves 202 is not less than two, the clamping grooves are uniformly distributed on the outer surface of the separation frame 201, the coating layer 204 is an NBR nitrile rubber layer, the coating layer 204 and the sealing sleeve 205 can resist forty-four-DEG C low temperature, the cable main body 203 and the like are coated and cold-proof, the first cold-proof layer 206 is a foaming layer, the second cold-proof layer 207 is composite PVC polyvinyl chloride plastic, the thicknesses of the first cold-proof layer 206 and the second cold-proof layer 207 are not more than two millimeters, the first cold-proof layer 206 and the second cold-proof layer 207 contain a macromolecular plasticizer cold-resistant agent toughening agent, and the multi-layer cold-proof structure is formed by combining the coating layer 204 and the like so as to keep the cable in running use under different low-temperature environments.
Embodiment III: referring to fig. 3, in order to improve insulation effect on a cable, the insulation mechanism 3 in this embodiment includes a flame retardant layer 301 fixed on an outer surface of a second cold-proof layer 207, an insulating layer 302 fixed on an outer surface of the flame retardant layer 301, the insulating layer 302 being capable of isolating heat transfer and matching the flame retardant layer 301 to attenuate the heat transfer, improving the cold-proof effect, and avoiding a greater hidden trouble caused by fire in the cable spreading outwards, a first insulating layer 303 fixed on an outer surface of the insulating layer 302, a protective layer 304 fixed on an outer surface of the first insulating layer 303, and a second insulating layer 305 fixed on an outer surface of the protective layer 304, based on embodiments one and two.
In this embodiment, the flame retardant layer 301 is a polyvinyl chloride layer, the flame retardant layer 301 decomposes and releases hydrogen halide when being heated by burning, the hydrogen halide can capture active free radical HO root, thereby enabling the burning of the material to be delayed or extinguished, the purpose of flame retardance is achieved, the protective layer 304 is a thermoplastic polyurethane elastomer rubber layer, the insulating layer 302 is a PTFE layer, the thicknesses of the flame retardant layer 301 and the insulating layer 302 are not more than two millimeters, the first insulating layer 303 and the second insulating layer 305 are fluoroplastic layers, the insulating properties of the first insulating layer 303 and the second insulating layer 305 are excellent, the flame retardant coating is suitable for high-frequency signal transmission, high-temperature resistant, the current carrying capacity can be improved, the flame retardant property is good, the oxygen index is high, the flame diffusion range is small when burning, the generated smoke amount is small, the flame retardant coating has excellent weather aging resistance and mechanical strength, the thickness of the protective layer 304 is not influenced by various acids, alkali and organic solvents, the minimum temperature of the protective layer 304 can reach sixty degrees below zero, the low temperature resistance, the hydrolysis resistance, the softness and the bending resistance can play a role of maintaining the insulating property of the second insulating layer 305 after the second insulating layer 305.
The working principle of the embodiment is as follows:
(1) When the multi-layer cold-proof treatment is carried out on the cable main body 203, the multi-strand cable main body 203 is separated and arranged by utilizing the separation frame 201 and the plurality of groups of clamping grooves 202, so that damage and short circuit caused by mutual friction during transportation and installation are reduced, the coating layer 204 and the sealing sleeve 205 can resist low temperature below forty degrees, the cable main body 203 and the like are coated and cold-proof due to the characteristics of softness, low temperature resistance, oil resistance and the like, the first cold-proof layer 206 and the second cold-proof layer 207 contain a macromolecule plasticizer cold-resistant agent toughening agent, and the multi-layer cold-proof structure is formed by combining the coating layer 204 and the like so as to keep the operation and the use of the cable in different low temperature environments.
(2) When the cable insulation effect is improved, the flame-retardant layer 301 is heated during combustion to decompose and release hydrogen halide, the hydrogen halide can capture active free radicals HO, so that the material is burnt to be delayed or extinguished, the flame-retardant aim is achieved, the heat insulation layer 302 can isolate high-temperature transmission and match the flame-retardant layer 301 to attenuate heat transmission to improve the cold-proof effect, meanwhile, the cable is prevented from spreading outwards to cause larger hidden trouble, the insulation performance of the first insulation layer 303 and the second insulation layer 305 is excellent, the cable insulation effect is suitable for high-frequency signal transmission, high temperature resistance is achieved, the current-carrying capacity can be improved, the flame retardance is good, the oxygen index is high, the flame diffusion range during combustion is small, the generated smoke quantity is small, the weather-aging resistance performance and the mechanical strength are excellent, the flame insulation effect is not influenced by various acids, alkalis and organic solvents, meanwhile, the lowest cold-proof temperature of the protective layer 304 can reach sixty degrees below zero, the low-temperature resistance, hydrolysis resistance, softness, wear resistance and bending resistance can play a role in protecting the first insulation layer 303 after the second insulation layer 305.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: a detachably fixed connection, for example using a bolt or screw connection, can also be understood as: the non-detachable fastening connection, such as riveting, welding, of course, may also be of unitary construction, such as integrally formed using a casting process, except for the apparent inability to use an integral forming process.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An insulating multilayer cold-resistant cable, includes electric core (1), its characterized in that: the outer surface of the battery core (1) is provided with a cold-proof mechanism (2) used for improving the multi-layer cold-proof effect, and an insulating mechanism (3) used for improving the insulating effect is fixed on the outer surface of the cold-proof mechanism (2);
cold-proof mechanism (2) is including fixing separating frame (201) at electric core (1) surface, draw-in groove (202) have been seted up to the surface of separating frame (201), the inner peripheral wall of draw-in groove (202) is fixed with cable main part (203), the surface packing of cable main part (203) has coating (204), the surface mounting of coating (204) has seal tube (205), the surface mounting of seal tube (205) has first winter protection layer (206), the surface mounting of first winter protection layer (206) has second winter protection layer (207).
2. An insulated multi-layer cold-resistant cable according to claim 1, wherein: the number of the clamping grooves (202) is not less than two, and the clamping grooves are uniformly distributed on the outer surface of the separation frame (201).
3. An insulated multi-layer cold-resistant cable according to claim 1, wherein: the coating layer (204) is an NBR nitrile rubber layer, and the first cold-proof layer (206) is a foaming layer.
4. An insulated multi-layer cold-resistant cable according to claim 1, wherein: the second cold-proof layer (207) is made of composite PVC polyvinyl chloride plastic, and the thicknesses of the first cold-proof layer (206) and the second cold-proof layer (207) are not more than two millimeters.
5. An insulated multi-layer cold-resistant cable according to claim 1, wherein: the insulation mechanism (3) comprises a flame retardant layer (301) fixed on the outer surface of the second cold-proof layer (207), a heat insulation layer (302) is fixed on the outer surface of the flame retardant layer (301), a first insulation layer (303) is fixed on the outer surface of the heat insulation layer (302), a protection layer (304) is fixed on the outer surface of the first insulation layer (303), and a second insulation layer (305) is fixed on the outer surface of the protection layer (304).
6. An insulated multi-layer cold-resistant cable according to claim 5, wherein: the flame-retardant layer (301) is a polyvinyl chloride layer, and the protective layer (304) is a thermoplastic polyurethane elastomer rubber layer.
7. An insulated multi-layer cold-resistant cable according to claim 5, wherein: the heat insulation layer (302) is a PTFE layer, and the thickness of the flame retardant layer (301) and the thickness of the heat insulation layer (302) are not more than two millimeters.
8. An insulated multi-layer cold-resistant cable according to claim 5, wherein: the first insulating layer (303) and the second insulating layer (305) are fluoroplastic layers, and the thickness of the protective layer (304) is greater than that of the first insulating layer (303) and the second insulating layer (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320489638.0U CN219534115U (en) | 2023-03-15 | 2023-03-15 | Insulating multilayer cold-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320489638.0U CN219534115U (en) | 2023-03-15 | 2023-03-15 | Insulating multilayer cold-resistant cable |
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| Publication Number | Publication Date |
|---|---|
| CN219534115U true CN219534115U (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320489638.0U Active CN219534115U (en) | 2023-03-15 | 2023-03-15 | Insulating multilayer cold-resistant cable |
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| CN (1) | CN219534115U (en) |
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2023
- 2023-03-15 CN CN202320489638.0U patent/CN219534115U/en active Active
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