CN203839111U - Low-temperature resistance control power cable - Google Patents
Low-temperature resistance control power cable Download PDFInfo
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- CN203839111U CN203839111U CN201420212607.1U CN201420212607U CN203839111U CN 203839111 U CN203839111 U CN 203839111U CN 201420212607 U CN201420212607 U CN 201420212607U CN 203839111 U CN203839111 U CN 203839111U
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- cable
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- power cable
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- oversheath
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Abstract
Provided is a low-temperature resistance control power cable including a core and a cable external layer. The cable external layer winds outside the tightly applied core, the core comprises a conductor 1 and an insulation layer 2, the insulation layer 2 made of ultraviolet irradiation polyethylene materials winds outside the conductor 1, the cable external layer comprises a wrapping tape 3 and an oversheath 4, the oversheath 4 made of cold-resistant modified polyvinyl chloride materials winds on the wrapping tape 3, The insulation layer of the cable is made of polyethylene materials having excellent low-temperature resistance performance and passes the low-temperate impacting test at a temperate of 76 DEG C below zero. The cable oversheath is made of low-temperature resistant polyvinyl chloride sheath materials which are added with cold-resistant agent, so that the cable oversheath can pass the low-temperate impacting test at a temperate of 40 DEG C below zero. The materials are free of cracking when being laid at a temperature of 20 DEG C below zero and being normally used at a temperature of 40 DEG C below zero. The cable provided modifies materials of a coating protective layer in the prior art through reasonable structural design, and can solve the quality problem that the outer protective layer of a common control cable is easy to crack when the control cable is laid at a temperature of 20 DEG C below zero.
Description
Technical field
The utility model relates to controls power cable technical field, and a kind of low temperature resistant control power cable is provided especially.
Background technology
Science and technology innovation is maked rapid progress, and electronic technology has progressively been penetrated in the middle of each technical field.Particularly high in the such as up-to-dateness such as chemical industry, pharmacy, develop fast special industry, automation control system is penetrated in regular job to a deeper level, even to the each link in production technology.But the northern area of China outdoor temperature in winter is low, operating environment is severe, there is new problem for the use of tradition control power cable.For example the Northeast of China nearly ten years winter minimum temperature can reach-40 DEG C, but general cable laying temperature is only-20 DEG C,-as cable laying temperature far above operating environment problem, therefore general cable cannot normally be worked or occur insulating barrier problems of crack.In addition, under the special low temperature environments such as such as freezer, use control, monitoring and automatic control system, its general cable, as the connecting line of various electrical equipment, instrument, monitoring original paper and protective device, cannot meet the requirement of normal operation under low temperature environment equally.
The reasons for the above problems are: the one,, at current wires and cables industry, select coated protective layer material, how to consider from economic angle, adopt taking resistance to low temperature poor if polyvinyl chloride is as the material of main body, its cable lay temperature be 0 DEG C and more than, so be prone to the phenomenon that outer jacket cracking occurs in the work progress of cable under low temperature environment; The 2nd,, if select the good silicon rubber insulation material of cold tolerance as sheath, although improved to a certain extent the resistance to low temperature of cable, the production cost of cable improves greatly, deficiency in economic performance.
Therefore, people have low temperature resistant and cheap control power cable concurrently in the urgent need to a kind of.
Summary of the invention
Become the development bottleneck in industrial production for fear of cable, the utility model provides a kind of low temperature resistant cable with having splendid economic benefit that has concurrently.
A kind of low temperature resistant control power cable, is made up of core and cable outer layer, and cable outer layer is wrapped outside the core fitting tightly; Core is made up of conductor 1 and insulating barrier 2, and the insulating barrier 2 of ultraviolet light irradiation polyethylene material is wrapped outside conductor 1; Cable outer layer is made up of band 3 and oversheath 4, and the oversheath 4 of cold-resistant modified polyvinyl chloride material is wrapped on band 3;
Wherein: conductor 1 is specifically set to main line conductor 101 and gnd conductor 102, main line conductor 1 cross section is sector structure, the rounded structure of gnd conductor 102 cross section; Insulating barrier 2 is specifically set to main line insulating barrier 201 and ground line insulating layer 202, wrapped outside main line conductor 101 and gnd conductor 102 respectively.
Described main line conductor 101 and gnd conductor 102 quantity are that every power cable at least arranges 1.
Described gnd conductor 102 quantity are specially every power cable and arrange 1.
Described main line conductor 101 is specially the sector structure that cross section is identical, and the equipment that is axially parallel to each other is in power cable.
Described gnd conductor 102 is specially cylinder.
The insulating barrier 2 of cable is selected the excellent polythene material of resistance to low temperature, carries out low-temperature impact test and pass through at-76 DEG C of temperature; Cable sheath material is selected low temperature resistant pvc sheathing compound, this PVC sheath material adds cold-resistance agent at GB/T8815 cable on the basis with pvc sheathing compound, this sheath material is met outside the performance index that GB/T8815 specifies, again can be by carry out low-temperature impact test at-40 DEG C of temperature.Above-mentioned material all can be guaranteed to lay at-20 DEG C ,-40 DEG C of normal uses are not ftractureed, and ensures the quality of products.
The utility model improves by rational structural design and to the coated protective layer material of current conduct, solves current general control cable and is-20 DEG C of quality problems of laying the outer jacket cracking of appearance.
Brief description of the drawings
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is the low temperature resistant control power cable of five cores horizontal section schematic diagram.
Embodiment
In accompanying drawing, the implication of each Reference numeral is described as follows:
Conductor 1, insulating barrier 2, band 3, oversheath 4, main line conductor 101, gnd conductor 102, main line insulating barrier 201, line insulating layer 202.
Embodiment 1
The present embodiment provides a kind of low temperature resistant control power cable.
A kind of low temperature resistant control power cable, is made up of core and cable outer layer, and cable outer layer is wrapped outside the core fitting tightly; Core is made up of conductor 1 and insulating barrier 2, and the insulating barrier 2 of ultraviolet light irradiation polyethylene material is wrapped outside conductor 1; Cable outer layer is made up of band 3 and oversheath 4, and the oversheath 4 of cold-resistant modified polyvinyl chloride material is wrapped on band 3;
Wherein: conductor 1 is specifically set to main line conductor 101 and gnd conductor 102, main line conductor 1 cross section is sector structure, the rounded structure of gnd conductor 102 cross section; Insulating barrier 2 is specifically set to main line insulating barrier 201 and ground line insulating layer 202, wrapped outside main line conductor 101 and gnd conductor 102 respectively.
Described main line conductor 101 and gnd conductor 102 quantity are that every power cable at least arranges 1.
Described gnd conductor 102 quantity are specially every power cable and arrange 1.
Described main line conductor 101 is specially the sector structure that cross section is identical, and the equipment that is axially parallel to each other is in power cable.
Described gnd conductor 102 is specially cylinder.
In the present embodiment, four main line conductors 101 are set altogether.By the main line insulating barrier 201 of ultraviolet light irradiation polyethylene material respectively wrapped 4 main line conductor 101 interior angles be relatively axially parallel to each other and fit tightly stranding by the wrapped gnd conductor 102 of the ground line insulating layer 202 of ultraviolet light irradiation polyethylene material with same.Wrapped one deck band 3 when stranding, oversheath 4 moulding of the cold-resistant modified polyvinyl chloride material of the wrapped one deck of the outer continuation of band 3.
The insulating barrier 2 of cable is selected the excellent polythene material of resistance to low temperature, carries out low-temperature impact test and pass through at-76 DEG C of temperature; Cable sheath material is selected low temperature resistant pvc sheathing compound, this PVC sheath material adds cold-resistance agent at GB/T8815 cable on the basis with pvc sheathing compound, this sheath material is met outside the performance index that GB/T8815 specifies, again can be by carry out low-temperature impact test at-40 DEG C of temperature.Above-mentioned material all can be guaranteed to lay at-20 DEG C ,-40 DEG C of normal uses are not ftractureed, and ensures the quality of products.
The present embodiment improves by rational structural design and to the coated protective layer material of current conduct, solves current general control cable and is-20 DEG C of quality problems of laying the outer jacket cracking of appearance.
Embodiment 2
The present embodiment is except every cable arranges 3 main line conductors 101, and all the other structures are identical with embodiment 1.
In the present embodiment, three main line conductors 101 are set altogether.By the main line insulating barrier 201 of ultraviolet light irradiation polyethylene material respectively wrapped 3 main line conductor 101 interior angles be relatively axially parallel to each other and fit tightly stranding by the wrapped gnd conductor 102 of the ground line insulating layer 202 of ultraviolet light irradiation polyethylene material with same.Wrapped one deck band 3 when stranding, oversheath 4 moulding of the cold-resistant modified polyvinyl chloride material of the wrapped one deck of the outer continuation of band 3.
The insulating barrier 2 of cable is selected the excellent polythene material of resistance to low temperature, carries out low-temperature impact test and pass through at-76 DEG C of temperature; Cable sheath material is selected low temperature resistant pvc sheathing compound, this PVC sheath material adds cold-resistance agent at GB/T8815 cable on the basis with pvc sheathing compound, this sheath material is met outside the performance index that GB/T8815 specifies, again can be by carry out low-temperature impact test at-40 DEG C of temperature.Above-mentioned material all can be guaranteed to lay at-20 DEG C ,-40 DEG C of normal uses are not ftractureed, and ensures the quality of products.
The present embodiment improves by rational structural design and to the coated protective layer material of current conduct, solves current general control cable and is-20 DEG C of quality problems of laying the outer jacket cracking of appearance.
Embodiment 3
The present embodiment is except using the insulating barrier of polyvinyl chloride material to replace the insulating barrier 2 of ultraviolet light irradiation polyethylene material, and all the other structures are identical with embodiment 1.
In the present embodiment, four main line conductors 101 are set altogether.By the main line insulating barrier 201 of polyvinyl chloride material respectively wrapped 4 main line conductor 101 interior angles be relatively axially parallel to each other and fit tightly stranding by the wrapped gnd conductor 102 of the ground line insulating layer 202 of polyvinyl chloride material with same.Wrapped one deck band 3 when stranding, oversheath 4 moulding of the cold-resistant modified polyvinyl chloride material of the wrapped one deck of the outer continuation of band 3.
Embodiment 4
The present embodiment is except using common oversheath to replace the oversheath 4 of cold-resistant modified polyvinyl chloride material, and all the other structures are identical with embodiment 1.
In the present embodiment, four main line conductors 101 are set altogether.By the main line insulating barrier 201 of ultraviolet light irradiation polyethylene material respectively wrapped 4 main line conductor 101 interior angles be relatively axially parallel to each other and fit tightly stranding by the wrapped gnd conductor 102 of the ground line insulating layer 202 of ultraviolet light irradiation polyethylene material with same.Wrapped one deck band 3 when stranding, the common oversheath moulding of the wrapped one deck of the outer continuation of band 3.
Embodiment 1 to 2 is optimum implementation, but optimum implementation is not limited to above-described embodiment.
Claims (5)
1. a low temperature resistant control power cable, formed by core and cable outer layer, cable outer layer is wrapped outside the core fitting tightly, it is characterized in that: core is made up of conductor (1) and insulating barrier (2), and the insulating barrier (2) of ultraviolet light irradiation polyethylene material is wrapped outside conductor (1); Cable outer layer is made up of band (3) and oversheath (4), and the oversheath (4) of cold-resistant modified polyvinyl chloride material is wrapped on band (3);
Wherein: conductor (1) is specifically set to main line conductor (101) and gnd conductor (102), main line conductor (1) cross section is sector structure, the rounded structure of gnd conductor (102) cross section; Insulating barrier (2) is specifically set to main line insulating barrier (201) and ground line insulating layer (202), wrapped outside main line conductor (101) and gnd conductor (102) respectively.
2. according to low temperature resistant control power cable claimed in claim 1, it is characterized in that: described main line conductor (101) and gnd conductor (102) quantity are that every power cable at least arranges 1.
3. according to low temperature resistant control power cable claimed in claim 2, it is characterized in that: described gnd conductor (102) quantity is specially every power cable and arranges 1.
4. according to the low temperature resistant control power cable described in claim 1 or 2, it is characterized in that: described main line conductor (101) is specially the sector structure that cross section is identical, and the equipment that is axially parallel to each other is in power cable.
5. according to the low temperature resistant control power cable described in claim 1 or 2 or 3, it is characterized in that: described gnd conductor (102) is specially cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212607.1U CN203839111U (en) | 2014-04-23 | 2014-04-23 | Low-temperature resistance control power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212607.1U CN203839111U (en) | 2014-04-23 | 2014-04-23 | Low-temperature resistance control power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839111U true CN203839111U (en) | 2014-09-17 |
Family
ID=51516923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212607.1U Expired - Fee Related CN203839111U (en) | 2014-04-23 | 2014-04-23 | Low-temperature resistance control power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047266A (en) * | 2015-08-14 | 2015-11-11 | 昆山信昌电线电缆有限公司 | Wear-resistant halogen-free high-flame-retardant flexible shielding control cable |
| CN114664492A (en) * | 2022-04-14 | 2022-06-24 | 金伟 | Aluminum alloy cable and preparation method thereof |
-
2014
- 2014-04-23 CN CN201420212607.1U patent/CN203839111U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047266A (en) * | 2015-08-14 | 2015-11-11 | 昆山信昌电线电缆有限公司 | Wear-resistant halogen-free high-flame-retardant flexible shielding control cable |
| CN114664492A (en) * | 2022-04-14 | 2022-06-24 | 金伟 | Aluminum alloy cable and preparation method thereof |
| CN114664492B (en) * | 2022-04-14 | 2023-01-13 | 福建通宇电缆有限公司 | Aluminum alloy cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20210423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |