CN105679446A - Aluminium alloy cable with automatic temperature measurement function - Google Patents
Aluminium alloy cable with automatic temperature measurement function Download PDFInfo
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- CN105679446A CN105679446A CN201510661569.7A CN201510661569A CN105679446A CN 105679446 A CN105679446 A CN 105679446A CN 201510661569 A CN201510661569 A CN 201510661569A CN 105679446 A CN105679446 A CN 105679446A
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- aluminium alloy
- cable
- temperature
- optical fiber
- protective layer
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Abstract
The invention discloses an aluminium alloy cable with an automatic temperature measurement function. The aluminium alloy cable comprises a temperature measurement optical fiber and multiple aluminium alloy conductors distributed on the exterior of the temperature measurement optical fiber in an annular array manner, wherein an environment-friendly insulating protection layer is arranged on the exterior of each aluminium alloy conductor; an insulating thermal insulation layer is arranged on the exteriors of the environment-friendly insulating protection layers; an outer layer insulation layer is arranged on the exterior of the insulating thermal insulation layer; a hollow cavity is formed between the insulating thermal insulation layer and the outer layer insulation layer; stranded wires arranged in an annular array manner are arranged in the hollow cavity; and an insulation protection layer is arranged on the exterior of eachstranded wire in a sleeving manner. According to the aluminium alloy cable, the problems existing in the prior art can be solved; a sensor is not required; the temperature measurement function is realized through fiber bragg grating, and the cable automatic temperature measurement within a certain range is realized; and meanwhile, the insulating material is adopted, so that the insulation performance of the cable can be effectively ensured.
Description
Technical field
The present invention relates to a kind of aluminium alloy from cable for measuring temperature.
Background technology
The temperature resistant grade of cable is probably 70 degrees Celsius to 90 degrees Celsius, existing overhead line and underground cable, it is not easy to detect its temperature, when the equipment such as sensor are installed, due to the environment more complicated of erecting cable, it is easy to the problems such as sensor failure occur, it is very inconvenient to detect.
Summary of the invention
It is an object of the invention to provide a kind of aluminium alloy from cable for measuring temperature, it is possible to improve prior art Problems existing, it is not necessary to sensor is installed, utilize optical fiber grating temperature-measuring, realize certain limit inner cable to test oneself temperature, simultaneously by adopting insulating material, effectively ensure the insulating property of cable.
The present invention is achieved through the following technical solutions:
A kind of aluminium alloy is from cable for measuring temperature, comprise temperature-measuring optical fiber and circular array is arranged in some aluminium alloy conductors of described temperature-measuring optical fiber outside, environmental protection insulating protective layer is had in described aluminium alloy conductor outer setting, insulated thermal insulating layer is had in described environmental protection insulating protective layer outer setting, outer insulation is had in described insulated thermal insulating layer outer setting, cavity is formed between described insulated thermal insulating layer and described outer insulation, the stranded conductor being provided with circular array arrangement in described cavity, is equipped with insulating protective layer in described stranded conductor outer cover;
On described temperature-measuring optical fiber, imprinting has grating, is filled with virtue synthetic fibre silk outside described temperature-measuring optical fiber and between described environmental protection insulating protective layer;
Described outer insulation is that magnesium oxide and tetrafluoroethylene are shaping according to mass percent 2:1 hybrid process;
Described insulated thermal insulating layer is that basalt fiber cloth is made, and is evenly coated with pvc coating in described insulated thermal insulating layer outside.
Further, for realizing the present invention better, between adjacent described stranded conductor, it is filled with pitch.
Further, for realizing the present invention better, there is magnesium oxide coat in described fragrant synthetic fibre silk surface coverage.
Further, for realizing the present invention better, inside described outer insulation, stranded conductor outer wall with described is bonded to each other, the space that described pitch is full of between adjacent described stranded conductor.
Further, for realizing the present invention better, described aluminium alloy conductor is stranded is wrapped in described temperature-measuring optical fiber outside, and described stranded conductor is stranded to be wrapped on described insulated thermal insulating layer outer wall, and described aluminium alloy conductor is contrary with the stranded direction of described stranded conductor.
Further, for realizing the present invention better, being filled with refractory coating inside described insulated thermal insulating layer and between described environmental protection insulating protective layer outer wall, described refractory coating is fitted on described environmental protection insulating protective layer outer wall.
Further, for realizing the present invention better, it is outside that described refractory coating is squeezed in described environmental protection insulating protective layer by tetrafluoroethylene mixing extrusion aid.
Further, for realizing the present invention better, for vacuumizing state inside described outer insulation.
The present invention compared with prior art, has following useful effect:
(1) the present invention by adopt temperature-measuring optical fiber, and on temperature-measuring optical fiber imprinting grating, utilize the photosensitivity of optical fiber, when the temperature of optical fiber is changed, under the effect expanded with heat and contract with cold, the special wavelength light shape reflection in the space formed in fibre core changes, when wavelength changes, by measuring wavelength variation range, calculate the temperature sensor of optical fiber, compare the mode that peripheral equipments such as adopting sensor carries out measuring, it is possible to effectively simplify installation, simultaneously, it is possible to carry out real time temperature detection;
(2) the present invention makes outer insulation by employing magnesium oxide and tetrafluoroethylene, it is possible to effectively ensure the external insulation performance of cable;
(3) the present invention makes insulated thermal insulating layer by employing basalt fiber cloth, it is possible to improves the effect of heat insulation of cable, applies pvc coating, it is to increase the insulating property of cable simultaneously;
(4) the present invention is by arranging stranded conductor, it is possible to is energized when low temperature and is heated cable outside, avoids cable phenomenon of freezing occur.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, it is briefly described to the accompanying drawing used required in embodiment below, it is to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore should not be counted as is the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is one-piece construction schematic diagram of the present invention.
Wherein: 101. aluminium alloy conductors, 102. environmental protection insulating protective layers, 103. insulated thermal insulating layer, 104. temperature-measuring optical fibers, 105. stranded conductors, 106. insulating protective layers, 107. outer insulations.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, a kind of aluminium alloy is from cable for measuring temperature, comprise temperature-measuring optical fiber 104 and circular array is arranged in some aluminium alloy conductors 101 of described temperature-measuring optical fiber 104 outside, environmental protection insulating protective layer 102 is had in described aluminium alloy conductor 101 outer setting, insulated thermal insulating layer 103 is had in described environmental protection insulating protective layer 102 outer setting, outer insulation 107 is had in described insulated thermal insulating layer 103 outer setting, cavity is formed between described insulated thermal insulating layer 103 and described outer insulation 107, the stranded conductor 105 of circular array arrangement it is provided with in described cavity, in described stranded conductor 105 outer cover, insulating protective layer 106 is housed,
On described temperature-measuring optical fiber 104, imprinting has grating, is filled with virtue synthetic fibre silk outside described temperature-measuring optical fiber 104 and between described environmental protection insulating protective layer 102;
Described outer insulation 107 is that magnesium oxide and tetrafluoroethylene are shaping according to mass percent 2:1 hybrid process;
Described insulated thermal insulating layer 103 is made for basalt fiber cloth, is evenly coated with pvc coating in described insulated thermal insulating layer 103 outside.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, it may be preferred that be filled with pitch between adjacent described stranded conductor 105.
In order to improve flame retardant properties, in the present embodiment, there is magnesium oxide coat in described fragrant synthetic fibre silk surface coverage.
Further preferably, in order to improve the compressive property of cable, in the present embodiment, inside described outer insulation 107, stranded conductor 105 outer wall with described is bonded to each other, the space that described pitch is full of between adjacent described stranded conductor 105.
In order to improve the intensity of cable, in the present embodiment, preferably, described aluminium alloy conductor 101 is stranded is wrapped in described temperature-measuring optical fiber 104 outside, described stranded conductor 105 is stranded to be wrapped on described insulated thermal insulating layer 103 outer wall, and described aluminium alloy conductor 101 is contrary with the stranded direction of described stranded conductor 105.
By adopting spiral winding structure, it is possible to improve the stretch-resistance energy of cable, process operation can be facilitated simultaneously.
Further preferably; in the present embodiment; in order to improve heat-insulating, fire-preventing performance, being filled with refractory coating inside described insulated thermal insulating layer 103 and between described environmental protection insulating protective layer 102 outer wall, described refractory coating is fitted on described environmental protection insulating protective layer 102 outer wall.
In order to convenient processing, in the present embodiment, it may be preferred that described refractory coating is squeezed in described environmental protection insulating protective layer 102 by tetrafluoroethylene mixing extrusion aid outside.
Further preferably, in order to improve survey temp effect, improve insulation effect, in the present embodiment, for vacuumizing state inside described outer insulation 107 simultaneously.
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 of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an aluminium alloy is from cable for measuring temperature, it is characterized in that: comprise temperature-measuring optical fiber (104) and circular array is arranged in the outside some aluminium alloy conductors (101) of described temperature-measuring optical fiber (104), environmental protection insulating protective layer (102) is had in described aluminium alloy conductor (101) outer setting, insulated thermal insulating layer (103) is had in described environmental protection insulating protective layer (102) outer setting, outer insulation (107) is had in described insulated thermal insulating layer (103) outer setting, cavity is formed between described insulated thermal insulating layer (103) and described outer insulation (107), the stranded conductor (105) of circular array arrangement it is provided with in described cavity, in described stranded conductor (105) outer cover, insulating protective layer (106) is housed,
There is grating in the upper imprinting of described temperature-measuring optical fiber (104), between described temperature-measuring optical fiber (104) outside and described environmental protection insulating protective layer (102), it is filled with virtue synthetic fibre silk;
Described outer insulation (107) for magnesium oxide and tetrafluoroethylene shaping according to mass percent 2:1 hybrid process;
Described insulated thermal insulating layer (103) is made for basalt fiber cloth, is evenly coated with pvc coating in described insulated thermal insulating layer (103) outside.
2. a kind of aluminium alloy according to claim 1 is from cable for measuring temperature, it is characterised in that: between adjacent described stranded conductor (105), it is filled with pitch.
3. a kind of aluminium alloy according to claim 1 and 2 is from cable for measuring temperature, it is characterised in that: there is magnesium oxide coat in described fragrant synthetic fibre silk surface coverage.
4. a kind of aluminium alloy according to claim 2 is from cable for measuring temperature, it is characterized in that: described outer insulation (107) inner side is bonded to each other with described stranded conductor (105) outer wall, the space that described pitch is full of between adjacent described stranded conductor (105).
5. a kind of aluminium alloy according to claim 1 or 2 or 4 is from cable for measuring temperature, it is characterized in that: described aluminium alloy conductor (101) is stranded is wrapped in described temperature-measuring optical fiber (104) outside, described stranded conductor (105) is stranded to be wrapped on described insulated thermal insulating layer (103) outer wall, and described aluminium alloy conductor (101) is contrary with the stranded direction of described stranded conductor (105).
6. a kind of aluminium alloy according to claim 1 or 2 or 4 is from cable for measuring temperature; it is characterized in that: being filled with refractory coating between described insulated thermal insulating layer (103) inner side and described environmental protection insulating protective layer (102) outer wall, described refractory coating is fitted on described environmental protection insulating protective layer (102) outer wall.
7. a kind of aluminium alloy according to claim 6 is from cable for measuring temperature, it is characterised in that: it is outside that described refractory coating is squeezed in described environmental protection insulating protective layer (102) by tetrafluoroethylene mixing extrusion aid.
8. a kind of aluminium alloy according to claim 1 or 2 or 4 is from cable for measuring temperature, it is characterised in that: described outer insulation (107) inner side is for vacuumizing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661569.7A CN105679446A (en) | 2015-10-15 | 2015-10-15 | Aluminium alloy cable with automatic temperature measurement function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661569.7A CN105679446A (en) | 2015-10-15 | 2015-10-15 | Aluminium alloy cable with automatic temperature measurement function |
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| Publication Number | Publication Date |
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| CN105679446A true CN105679446A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510661569.7A Pending CN105679446A (en) | 2015-10-15 | 2015-10-15 | Aluminium alloy cable with automatic temperature measurement function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356142A (en) * | 2016-11-10 | 2017-01-25 | 国网山东省电力公司济南市长清区供电公司 | Preparation method of fire resistant cable for electric power transmission |
| CN108074663A (en) * | 2017-12-13 | 2018-05-25 | 苏州浩焱精密模具有限公司 | A kind of aerospace fire resisting cable |
-
2015
- 2015-10-15 CN CN201510661569.7A patent/CN105679446A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356142A (en) * | 2016-11-10 | 2017-01-25 | 国网山东省电力公司济南市长清区供电公司 | Preparation method of fire resistant cable for electric power transmission |
| CN108074663A (en) * | 2017-12-13 | 2018-05-25 | 苏州浩焱精密模具有限公司 | A kind of aerospace fire resisting cable |
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Application publication date: 20160615 |