Mixed-mode temperature measurement communication phase conductor and temperature measurement communication system

Patent metadata

Field	Value
Publication number	US-10288495-B2
Application number	US-201314650225-A
Country	US
Kind code	B2
Filing date	Jul 16, 2013
Priority date	Dec 6, 2012
Publication date	May 14, 2019
Grant date	May 14, 2019

Abstract

The disclosure provides a mixed-mode temperature measurement communication phase conductor and a temperature measurement communication system. The mixed-mode temperature measurement communication phase conductor includes: a stainless sleeving optical unit and a support line hinged with the stainless sleeving optical unit, wherein an aluminum wire is hinged outside the stainless sleeving optical unit and the support line; the stainless sleeving optical unit includes: multiple single-mode fibers and at least one multi-mode fiber, wherein fibers in the stainless sleeving optical unit are mutually hinged. The disclosure realizes whole-distance temperature measurement of conductor by setting the single-mode fiber to perform communication and the multi-mode fiber to perform temperature measurement.

First claim

What is claimed is:

1. A mixed-mode temperature measurement communication phase conductor, comprising:
a stainless sleeving optical unit and a support line attached to the stainless sleeving optical unit, wherein an aluminium wire is attached outside the stainless sleeving optical unit and the support line;
the stainless sleeving optical unit includes:
multiple single-mode fibres and at least one multi-mode fibre, wherein the single-mode fibres are directly attached to the at least one multi-mode fibre in the stainless sleeving optical unit;
wherein the multiple single-mode fibre and the at least one multi-mode fibre that are identified by colours on the structure of the single-mode and multi-mode fibers, are mixed to form a mixed-mode fibre technology;
wherein the length of both the single-mode fibre and the multi-mode fibre is greater than that of the support line.

2. The mixed-mode temperature measurement communication phase conductor according to claim 1 , wherein the support line is a 14% AS line.

3. The mixed-mode temperature measurement communication phase conductor according to claim 1 , wherein diameter of the support line and the stainless sleeving optical unit is 2.5 mm respectively.

4. The mixed-mode temperature measurement communication phase conductor according to claim 1 , wherein the number of single-mode fibres is 20 and the number of multi-mode fibres is 4.

5. The mixed-mode temperature measurement communication phase conductor according to claim 1 , wherein the mixed-mode temperature measurement communication phase conductor includes a central layer, a first layer, a second layer, a third layer and a fourth layer.

6. The mixed-mode temperature measurement communication phase conductor according to claim 1 , wherein the central layer includes a 14% AS line with diameter of 2.5 mm, which is configured for sustaining the tension in the conductor; the first layer includes 5 14% AS lines with diameter of 2.5 mm, which are configured for sustaining the tension in the conductor, and a stainless sleeving optical unit, which is configured for communication and temperature measurement; the second layer includes 10 aluminium wires with diameter of 3.22 mm, which are configured for transmitting electricity; the third layer includes 16 aluminium wires with diameter of 3.22 mm, which are configured for transmitting electricity; and the fourth layer includes 22 aluminium wires with diameter of 3.22 mm, which are configured for transmitting electricity.

7. A temperature measurement communication system, comprising:
a laser, which is configured for emitting an optical pulse to a multi-mode fibre;
a directional coupler, which is configured for separating the reflection light of the optical pulse to obtain an echo;
a photoelectric detection device, which is configured for measuring the strength and delay of the echo and calculating the temperature and location of the reflection point of the reflection light according to the strength and delay;
a mixed-mode temperature measurement communication phase conductor, the mixed-mode temperature measurement communication phase conductor includes:
a stainless sleeving optical unit and a support line attached to the stainless sleeving optical unit, wherein an aluminium wire is attached outside the stainless sleeving optical unit and the support line;
the stainless sleeving optical unit includes:
multiple single-mode fibres and at least one multi-mode fibre, wherein the single-mode fibres are directly attached to the at least one multi-mode fibre in the stainless sleeving optical unit;
wherein the multiple single-mode fibre and the at least one multi-mode fibre identified by colour rings on the structure of the single-mode and multi-mode fibers, are mixed to form a mixed-mode fibre technology;
wherein the length of both the single-mode fibre and the multi-mode fibre is greater than that of the support line.

8. The system according to claim 7 , wherein the support line is a 14% AS line.

9. The system according to claim 7 , wherein the diameter of the support line and the stainless sleeving optical unit is 2.5 mm respectively.

10. The system according to claim 7 , wherein the number of single-mode fibres is 20 and the number of multi-mode fibres is 4.

11. The system according to claim 7 , wherein the mixed-mode temperature measurement communication phase conductor includes a central layer, a first layer, a second layer, a third layer and a fourth layer.

12. The system according to claim 7 , wherein the central layer includes a 14% AS line with diameter of 2.5 mm, which is configured for sustaining the tension in the conductor; the first layer includes 5 14% AS lines with diameter of 2.5 mm, which are configured for sustaining the tension in the conductor, and a stainless sleeving optical unit, which is configured for communication and temperature measurement; the second layer includes 10 aluminium wires with diameter of 3.22 mm, which are configured for transmitting electricity; the third layer includes 16 aluminium wires with diameter of 3.22 mm, which are configured for transmitting electricity; and the fourth layer includes 22 aluminium wires with diameter of 3.22 mm, which are configured for transmitting electricity.

Assignees

• State Grid Corp China
• State Grid Beijing Electric Power Co
• Beijing Electric Power Economic Res Institute

Inventors

• Shu Bin
• Zhang Ying
• Zhang Kai
• Wang Weiyong
• Li Wei
• Yu Hongli
• Lin Yifan
• Zhu Zhanwei
• Wang Zhihui

Classifications

• G02B2006/12138

  Sensor · CPC title

• G02B2006/12107

  Grating · CPC title

• H01B5/108

  stranded around communication or control conductors · CPC title

• G02B6/4422

  of the overhead type · CPC title

• G01K11/32 Primary

  using changes in transmittance, scattering or luminescence in optical fibres · CPC title