CN105304203A - Cable - Google Patents
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- CN105304203A CN105304203A CN201510825426.5A CN201510825426A CN105304203A CN 105304203 A CN105304203 A CN 105304203A CN 201510825426 A CN201510825426 A CN 201510825426A CN 105304203 A CN105304203 A CN 105304203A
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Abstract
The invention provides a cable and relates to the field of power cables. The cable comprises a wire, a high-temperature-resistant insulated layer, a shielding layer, and a protective layer. The high-temperature-resistant insulated layer, the shielding layer, and the protective layer are all hollow structures. The high-temperature-resistant insulated layer wraps the wire. The shielding layer wraps the high-temperature-resistant insulated layer. The protective layer wraps the shielding layer. The outer surface of the protective layer is equipped with a temperature-sensitive variable-color layer. The cable is not liable to soften and is good in signal shielding effect. The temperature of the outer surface of the wire can be conveniently known and the use safety of the cable is effectively guaranteed.
Description
Technical field
The present invention relates to power cable field, in particular to a kind of cable.
Background technology
In the winter time, family or public market etc. place is designed with floor heating to warm oneself usually, and its warm source radiates the effect that the interior space reaches heating.Floor heating is divided into hot-water heating and electricity to warm up according to power, and hot-water heating is exactly lay special pipeline under floor, to be no more than the hot water of 60 degree at pipeline Inner eycle, heats ground, being radiated in space; Electricity is warm be exactly special cable laying in underground, heat ground by the heating of cable self.
The cable in use fail safe of floor heating is the most important, however use cable heating process in, easily due to fault or other, cause electric cable heating too high, without any safety guarantee, easily security incident occur.
Summary of the invention
The object of the present invention is to provide a kind of cable, to improve above-mentioned problem.
The present invention is achieved in that
A kind of cable, comprise wire, temperature-resistant insulation layer, screen and overcoat, described temperature-resistant insulation layer, described screen and described overcoat are hollow-core construction, described temperature-resistant insulation layer is paperwrapped in outside described wire, described screen is paperwrapped in outside described temperature-resistant insulation layer, described overcoat is paperwrapped in outside described screen, and the outer surface of described overcoat is provided with heat-sensitive variable colour layer.
Cable as above, preferably, described heat-sensitive variable colour layer is positioned at the side of described overcoat outer surface.
The consumptive material of the economical heat-sensitive variable colour layer of heat-sensitive variable colour layer energy is set in the side of overcoat outer surface, saves production cost.
Cable as above, preferably, cable also comprises earth connection, and described earth connection is between described temperature-resistant insulation layer and described screen.
Earth connection is set, the effect of protection against electric shock can be played, effectively ensure the use safety of cable.
Cable as above, preferably, cable also comprises protective clear layer, and described protective clear layer is sheathed on outside described heat-sensitive variable colour layer.
By arranging protective clear layer, can play a protective role to heat-sensitive variable colour layer, and person easy to use observes the color of heat-sensitive variable colour layer, to understand the temperature conditions of cable surface at any time through protective clear layer.
Cable as above, preferably, described wire forms by multiple conducting wires is stranded.
Cable as above, preferably, also comprises insulation fill stratum, and described wire coils in the shape of a spiral outside described insulation fill stratum.
Employing helical form is arranged, and increases the heating area of the wire of unit length further, makes the heating effect of cable better.
Cable as above, preferably, described wire is copper conductor or corronil wire.
Cable as above, preferably, described overcoat is PVC material layer.
Cable as above, preferably, described temperature-resistant insulation layer is dimethyl silicone rubber layer, methylfluorosilicone rubber layer, trifluoro propyl fluorosioloxane rubber layer or vinyl fluoride silastic-layer.
Dimethyl silicone rubber, methylfluorosilicone rubber, trifluoro propyl fluorosioloxane rubber and vinyl fluoride silicon rubber all have good high temperature resistant and insulation property, can effectively avoid because conductor temperature is too high and softening, preventing the electric current by transshipping from puncturing, ensureing use safety and the useful life of cable.
Cable as above, preferably, described screen is foil shielding layer.
Foil shielding layer has good signal shielding effect, can reduce the signal disturbing to ambient signals cable.
For prior art, cable provided by the invention has following beneficial effect:
Cable provided by the invention is by setting gradually wire, temperature-resistant insulation layer, screen and overcoat from inside to outside, effectively can ensure cable not easily Yin Gaowen and softening, prevent the electric current by transshipping from puncturing, and signal shielding effect can be played, avoid interference the Signal transmissions of other holding wires, heat-sensitive variable colour layer is set on overcoat surface simultaneously, the temperature of wire outer surface in use can be understood very easily according to the color of heat-sensitive variable colour layer, can cut off the electricity supply rapidly when cable is overheated, guarantee use safety and convenience.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The cutaway view of the cable that Fig. 1 provides for first embodiment of the invention;
The cutaway view of the cable that Fig. 2 provides for second embodiment of the invention;
The structural representation of the cable that Fig. 3 provides for second embodiment of the invention.
Wherein, the corresponding relation between Reference numeral and component names is as follows:
Wire 101, temperature-resistant insulation layer 102, screen 103, overcoat 104, heat-sensitive variable colour layer 105, earth connection 106, protective clear layer 107, insulation fill stratum 108.
Embodiment
In the winter time, family or public market etc. place is designed with floor heating to warm oneself usually, and its warm source radiates the effect that the interior space reaches heating.Floor heating is divided into hot-water heating and electricity to warm up according to power, and hot-water heating is exactly lay special pipeline under floor, to be no more than the hot water of 60 degree at pipeline Inner eycle, heats ground, being radiated in space; Electricity is warm be exactly special cable laying in underground, heat ground by the heating of cable self.The cable in use fail safe of floor heating is the most important, however use cable heating process in, easily due to fault or other, cause electric cable heating too high, without any safety guarantee, easily security incident occur.Inventor finds through long-term observation and research, proposes the cable that the embodiment of the present invention provides.
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment one
Consult Fig. 1, embodiments provide a kind of cable, this cable comprises wire 101, temperature-resistant insulation layer 102, screen 103 and overcoat 104, screen 103 and overcoat 104 are hollow-core construction, temperature-resistant insulation layer 102 surrounds outside wire 101, screen 103 surrounds outside temperature-resistant insulation layer 102, and overcoat 104 surrounds outside screen 103, and the surface of overcoat 104 is provided with can according to the heat-sensitive variable colour layer 105 of temperature inversion color.
Temperature-resistant insulation layer 102 has good resistance to elevated temperatures and insulation property, therefore, can have and play good insulation effect, when wire 101 heating power, can not be melted by the wire 101 generated heat, and not easily punctured by the electric current transshipped, avoid the danger that electric leakage occurs.Meanwhile, shielding action is played in the magnetic field produced when the outer screen 103 arranged of temperature-resistant insulation layer 102 can be energized to wire 101, reduces the signal disturbing to ambient signals cable.Overcoat 104 energy play a very good protection to the screen 103 of inside and temperature-resistant insulation layer 102, avoid screen 103 and temperature-resistant insulation layer 102 to be worn, ensure use safety further.In addition; the heat-sensitive variable colour layer 105 be arranged on outside protective layer can convert different colors at different temperature; therefore; in use; user can understand the temperature of cable surface very easily according to the color of heat-sensitive variable colour layer 105; can cut off the electricity supply rapidly when occurring the faults such as short circuit with box lunch and cause cable surface temperature too high, ensure use safety.
Wherein, wire 101 adopts copper conductor, and copper conductor has good resistance to oxidation corrosive nature, and good toughness, not easily rupture because of bending, guarantee that useful life is lasting.The execution mode of certain wire 101 is not limited only to copper conductor, such as, can also adopt the corronil wire that decay resistance is good.
In the process of laying cable, often need to bend cable, Given this, in the present embodiment, the copper cash that wire 101 adopts many cross-sectional sizes identical is stranded to be formed, and adopts the wire 101 of the many stranded formation of copper cash to bend very easily, conveniently lays.
Temperature-resistant insulation layer 102 needs to have good resistance to elevated temperatures and insulation property, its material can have multiple choices, such as dimethyl silicone rubber, methylfluorosilicone rubber, trifluoro propyl fluorosioloxane rubber, vinyl fluoride silicon rubber and other there is the material of good high temperature resistant and insulation property, in the present embodiment, what temperature-resistant insulation layer 102 adopted is that dimethyl silicone rubber is made.
In the process that wire 101 is energized, screen 103 can play good shielding action, in the shielding material being used as screen 103, screen 103 shield effectiveness of aluminum is good, therefore, in the present embodiment, the foil shielding layer that screen 103 adopts shield effectiveness good, certainly, screen 103 is not limited only to foil shielding layer, such as can also adopt tinfoil paper screen, be wherein the best with foil shielding layer.
In the present embodiment, overcoat 104 adopts PVC material to make, and PVC material has good decay resistance, ensures that useful life is lasting.Meanwhile, PVC material has good insulation property, avoids the danger that electric leakage occurs further.Certain overcoat 104 is also not limited only to PVC material, such as, can also adopt elastomeric material.
Embodiment two
Consult Fig. 2, embodiments provide a kind of cable, this cable comprises wire 101, temperature-resistant insulation layer 102, screen 103 and overcoat 104, screen 103 and overcoat 104 are hollow-core construction, temperature-resistant insulation layer 102 surrounds outside wire 101, screen 103 surrounds outside temperature-resistant insulation layer 102, and overcoat 104 surrounds outside screen 103, and the surface of overcoat 104 is provided with can according to the heat-sensitive variable colour layer 105 of temperature inversion color.
Wire 101 adopts has that the copper cash of good resistance to oxidation corrosive nature many is stranded to be formed.
Temperature-resistant insulation layer 102 adopts the dimethyl silicone rubber with good resistance to elevated temperatures and insulation property to make.
The foil shielding layer that screen 103 adopts shield effectiveness good.
Overcoat 104 adopts good and that insulation property the are good PVC material of decay resistance to make.
Heat-sensitive variable colour layer 105 is made up of thermosensitive chromotropic material, due to the inherent characteristic of thermosensitive chromotropic material, heat-sensitive variable colour layer 105 can present different colors at different temperature, the heating temp of common cable is generally 40-60 DEG C, therefore, discoloring temperature can be adopted to be the off-color material of about 60 DEG C, such as, to adopt discoloring temperature to be the CoSO of 60 DEG C
42C
6h
12n
49H
2o compound-material or discoloring temperature are that the tetraiodo of 71 DEG C closes mercury acid copper (CuHgI
4) or discoloring temperature be the CuSO of 76 DEG C
42C
6h
12n
45H
2o compound-material, above thermosensitive chromotropic material is reversible heat-sensible off-color material, is suitable for the material as heat-sensitive variable colour layer 105.Certainly, the material of heat-sensitive variable colour layer 105 is not limited only to above-mentioned mode, as long as the reversible heat-sensible off-color material that its discoloring temperature is about 60 DEG C all can be used for as heat-sensitive variable colour layer 105, certainly, nontoxic reversible heat-sensible off-color material should be selected in the process selecting reversible heat-sensible off-color material.
The object arranging heat-sensitive variable colour layer 105 at the outer surface of overcoat 104 is grasped the temperature of wire outer surface, can cut off the electricity supply rapidly when cable is overheated, guarantees use safety and convenience.Heat-sensitive variable colour layer 105 can be paperwrapped in the outer surface of whole overcoat 104, but conventional thermosensitive chromotropic material cost is relatively high, if the outer surface that heat-sensitive variable colour layer 105 is paperwrapped in whole overcoat 104 can cause the production cost of cable higher.Given this, under the prerequisite of temperature indicating effect not affecting heat-sensitive variable colour layer 105, in the present embodiment, heat-sensitive variable colour layer 105 can only be arranged in the side of the outer surface of overcoat 104, effectively can reduce the production consumption of thermosensitive chromotropic material like this.Further, at the outer surface of overcoat 104, a bit of heat-sensitive variable colour layer 105 can also be set every a segment distance interval, further can reduce the production consumption of thermosensitive chromotropic material like this, save production cost.
In addition; for avoiding extraneous dust adhesion on the surface of heat-sensitive variable colour layer 105; and cause the situation being not easy to the color of observing heat-sensitive variable colour layer 105 to occur; the cable that the present embodiment provides, also arranges protective clear layer 107, and protective clear layer 107 is set in outside heat-sensitive variable colour layer 105; by arranging protective clear layer 107; in the process using cable, the color of heat-sensitive variable colour layer 105 can be observed through protective clear layer 107, to understand the temperature conditions of cable surface.
Cable generally adopts 220V power supply, if there is electric leakage, be easy to cause security incident, therefore, in the present embodiment, also between temperature-resistant insulation layer 102 and screen 103, be provided with earth connection 106, earth connection 106 is arranged by the edge of temperature-resistant insulation layer 102.By arranging earth connection 106, by earth connection 106 ground connection during installation, when electric leakage occurring, the electric current produced can be imported the earth, preventing the generation of getting an electric shock.
Wire 101 heating power in cable, the limited length of the wire 101 in the cable of unit length, the limited area in the face that namely generates heat, the limited efficiency of heating.Given this, in the present embodiment, also be provided with insulation fill stratum 108, wire 101 adopts helical form to arrange, and being coiled in outside insulation fill stratum 108, insulation fill stratum 108 should adopt high-temperature insulation material, the dimethyl silicone rubber as described in as a kind of in embodiment, methylfluorosilicone rubber, trifluoro propyl fluorosioloxane rubber and vinyl fluoride silicon rubber etc., insulation fill stratum 108 can be played a supporting role to being coiled in its outer wire 101, can effectively avoid spiral helicine wire 101 to be out of shape because of ambient pressure.By wire 101 is arranged to helical form, the length of the wire 101 in the cable of unit length increases greatly, and namely heating area increases greatly, thus makes the caloric value of the wire 101 of unit length larger, and heating effect is better.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In describing the invention, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this invention product orientation of usually putting or position relationship when using, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a cable, it is characterized in that, comprise wire, temperature-resistant insulation layer, screen and overcoat, described temperature-resistant insulation layer, described screen and described overcoat are hollow-core construction, described temperature-resistant insulation layer is paperwrapped in outside described wire, described screen is paperwrapped in outside described temperature-resistant insulation layer, and described overcoat is paperwrapped in outside described screen, and the outer surface of described overcoat is provided with heat-sensitive variable colour layer.
2. cable according to claim 1, is characterized in that, described heat-sensitive variable colour layer is positioned at the side of described overcoat outer surface.
3. cable according to claim 1, is characterized in that, also comprises earth connection, and described earth connection is between described temperature-resistant insulation layer and described screen.
4. cable according to claim 1, is characterized in that, also comprises protective clear layer, and described protective clear layer is sheathed on outside described heat-sensitive variable colour layer.
5. cable according to claim 1, is characterized in that, described wire forms by multiple conducting wires is stranded.
6., according to the arbitrary described cable of claim 1-5, it is characterized in that, also comprise insulation fill stratum, described wire coils in the shape of a spiral outside described insulation fill stratum.
7. cable according to claim 6, is characterized in that, described wire is copper conductor or corronil wire.
8. cable according to claim 6, is characterized in that, described overcoat is PVC material layer.
9. cable according to claim 6, is characterized in that, described temperature-resistant insulation layer is dimethyl silicone rubber layer, methylfluorosilicone rubber layer, trifluoro propyl fluorosioloxane rubber layer or vinyl fluoride silastic-layer.
10. cable according to claim 6, is characterized in that, described screen is foil shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825426.5A CN105304203A (en) | 2015-11-24 | 2015-11-24 | Cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825426.5A CN105304203A (en) | 2015-11-24 | 2015-11-24 | Cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105304203A true CN105304203A (en) | 2016-02-03 |
Family
ID=55201345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510825426.5A Pending CN105304203A (en) | 2015-11-24 | 2015-11-24 | Cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105304203A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585782A (en) * | 2016-02-18 | 2016-05-18 | 繁昌县菲德通讯材料设计有限公司 | Heat-resistant anticorrosion cable |
| CN105602252A (en) * | 2016-03-21 | 2016-05-25 | 安徽五洲特种电缆集团有限公司 | Flame-retardant power cable |
| CN105694236A (en) * | 2016-02-18 | 2016-06-22 | 繁昌县菲德通讯材料设计有限公司 | Oil-proof high-and low-temperature resistant cable |
| CN105845260A (en) * | 2016-05-05 | 2016-08-10 | 安徽南洋电缆有限公司 | High-temperature-resistant waterproof cable |
| CN106067334A (en) * | 2016-05-21 | 2016-11-02 | 国网山东省电力公司高唐县供电公司 | Household electricity aging resistance electric wire |
| CN106205843A (en) * | 2016-07-05 | 2016-12-07 | 陈震英 | A kind of high tension cable of band electrochromics and preparation method thereof |
| CN106413154A (en) * | 2016-08-26 | 2017-02-15 | 孟玲 | Cable for power engineering field |
| CN106981329A (en) * | 2017-05-23 | 2017-07-25 | 沈阳工业大学 | A kind of cable |
| CN110564163A (en) * | 2019-08-24 | 2019-12-13 | 江苏兴缘高温线缆有限公司 | preparation method of fluorosilicone rubber for high-temperature-resistant layer of high-temperature cable |
| CN110591384A (en) * | 2019-08-17 | 2019-12-20 | 江苏兴缘高温线缆有限公司 | High temperature cable and fluorosilicone rubber high temperature resistant layer thereof |
| CN111477394A (en) * | 2020-04-24 | 2020-07-31 | 蒋莲莲 | Composite cable |
| WO2020177087A1 (en) * | 2019-03-05 | 2020-09-10 | Abb Schweiz Ag | Thermochromic coating, applying method and cable accessory |
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| CN103945581A (en) * | 2013-01-23 | 2014-07-23 | 安邦电气集团有限公司 | Carbon fiber heating cable |
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| CN2571110Y (en) * | 2002-09-13 | 2003-09-03 | 尹宝信 | Abruption-proof temperature self-limiting heating cable |
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| CN103813491A (en) * | 2012-11-13 | 2014-05-21 | 安邦电气集团有限公司 | Hidden-joint heating cable |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585782A (en) * | 2016-02-18 | 2016-05-18 | 繁昌县菲德通讯材料设计有限公司 | Heat-resistant anticorrosion cable |
| CN105694236A (en) * | 2016-02-18 | 2016-06-22 | 繁昌县菲德通讯材料设计有限公司 | Oil-proof high-and low-temperature resistant cable |
| CN105602252A (en) * | 2016-03-21 | 2016-05-25 | 安徽五洲特种电缆集团有限公司 | Flame-retardant power cable |
| CN105845260A (en) * | 2016-05-05 | 2016-08-10 | 安徽南洋电缆有限公司 | High-temperature-resistant waterproof cable |
| CN106067334A (en) * | 2016-05-21 | 2016-11-02 | 国网山东省电力公司高唐县供电公司 | Household electricity aging resistance electric wire |
| CN106205843A (en) * | 2016-07-05 | 2016-12-07 | 陈震英 | A kind of high tension cable of band electrochromics and preparation method thereof |
| CN106413154A (en) * | 2016-08-26 | 2017-02-15 | 孟玲 | Cable for power engineering field |
| CN106981329A (en) * | 2017-05-23 | 2017-07-25 | 沈阳工业大学 | A kind of cable |
| WO2020177087A1 (en) * | 2019-03-05 | 2020-09-10 | Abb Schweiz Ag | Thermochromic coating, applying method and cable accessory |
| CN110591384A (en) * | 2019-08-17 | 2019-12-20 | 江苏兴缘高温线缆有限公司 | High temperature cable and fluorosilicone rubber high temperature resistant layer thereof |
| CN110564163A (en) * | 2019-08-24 | 2019-12-13 | 江苏兴缘高温线缆有限公司 | preparation method of fluorosilicone rubber for high-temperature-resistant layer of high-temperature cable |
| CN111477394A (en) * | 2020-04-24 | 2020-07-31 | 蒋莲莲 | Composite cable |
| CN111477394B (en) * | 2020-04-24 | 2021-12-21 | 陕西永光电力电缆制造有限公司 | Composite cable |
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Application publication date: 20160203 |