CN107179144B - Portable optical fiber heating flexible device - Google Patents
Portable optical fiber heating flexible device Download PDFInfo
- Publication number
- CN107179144B CN107179144B CN201710475396.9A CN201710475396A CN107179144B CN 107179144 B CN107179144 B CN 107179144B CN 201710475396 A CN201710475396 A CN 201710475396A CN 107179144 B CN107179144 B CN 107179144B
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- optical fiber
- heating rod
- temperature
- heating
- temperature measuring
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 99
- 239000013307 optical fiber Substances 0.000 title claims abstract description 78
- 239000000523 sample Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses a portable optical fiber heating flexible device, which comprises a portable box, a heating rod and temperature measuring probes, wherein holes with notches are respectively arranged at two sides of the heating rod, and the temperature measuring probes and the heated optical fibers are respectively placed to form a flexible whole; the heating rod and the temperature measuring probe are connected with the portable box through power lines, and a power supply module and a display module are arranged in the portable box. The device can be used for the detection scheme of the optical fiber line type temperature-sensing fire detector applied to the field environments such as tunnel cables, outdoor cables and the like, and is used for heating the temperature-sensing optical fiber by operating personnel, so that the related performance of temperature measurement projects can be conveniently verified on site, and the purposes of low cost and portability are realized.
Description
Technical Field
The invention relates to a portable optical fiber heating flexible device.
Background
According to the requirements of the design Specification of fire automatic alarm systems (GB50116-2013), cable type linear temperature-sensing fire detectors are preferably selected from cable tunnels, cable shafts, cable interlayers, cable bridges and other places or parts, wherein external fire sources possibly enter the cable tunnels, the linear temperature-sensing fire detectors are arranged on the upper surface of the cable layer and the top of the tunnel, and the linear optical fiber temperature-sensing fire detectors are arranged in a mode that one temperature-sensing optical cable protects one power cable and are laid along the power cable.
The system judges and positions the fault position by detecting the temperature change of the surface of the cable and provides a pre-alarm. With the increase of projects such as substation line projects and overhead lines entering the ground, the distributed optical fiber line type temperature-sensing fire detector is in urgent need.
However, fire is usually rare and it is a concern that a fire detector will be sensitive after it is used in the field. In order to test the sensitivity of the optical fiber line type temperature-sensing fire detector applied on site, the optical fiber is heated independently at a certain distance, and the deviation value of the test distance and the actual distance of the optical fiber line type temperature-sensing fire detector is observed, namely the sensitivity of the detector.
At present, someone heats a certain distance of optical fiber with hot water for inspection, and the deviation between the detection distance and the temperature value of the optical fiber linear temperature-sensing fire detector and the actual distance and the temperature value of the hot water is large. The method is inconvenient to operate on site, the heat dissipation of hot water is fast, the temperature of the hot water is difficult to be consistent with that of the optical fiber, and the measurement error is large; although the chinese patent application No. 2016111740795 discloses a portable optical fiber heating test device and method, it can solve the problem of inconvenient operation of hot water heating, but the heating rod used as a field heating measuring tool is inconvenient to carry, and the device is complicated and costly to manufacture.
Therefore, how to design a truly portable optical fiber heating device suitable for on-site use, which has low manufacturing cost and small measurement error is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention provides a portable optical fiber heating flexible device for solving the problems, and the device can be used for detecting an optical fiber line type temperature-sensing fire detector applied to field environments such as tunnel cables, outdoor cables and the like, is used for heating a temperature-sensing optical fiber by an operator, can realize the convenience of verifying the related performance of a temperature measurement project on the field, and also realizes the purposes of low cost and portability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable optical fiber heating flexible device comprises a portable box, a heating rod and temperature measuring probes, wherein holes with notches are respectively arranged at two sides of the heating rod, and the temperature measuring probes and heated optical fibers are respectively placed to form a flexible whole;
the heating rod and the temperature measuring probe are connected with the portable box through power lines, and a power supply module and a display module are arranged in the portable box.
Further, the heating rod is made of flexible materials containing heat conduction materials.
Further, the flexible material includes, but is not limited to, thermally conductive silicone.
Further, thermally conductive materials include, but are not limited to, AL2O3And heat conductive materials such as MgO and ZnO.
The heating rod is of a circular cross section, two round holes with notches are formed in the heating rod, and the round holes are used for placing the temperature measuring probe and the heated optical fiber respectively.
Furthermore, the width of the gap is matched with the temperature measuring probe and the heated optical fiber, and after the gap is plugged in, the elastic material automatically clamps the temperature measuring probe and the optical fiber.
Further, the heating rod is divided into a joint section, a heating section, a joint section and a tail line section in sequence in the axial direction. Is connected with the portable box through a power line between the tail line segment and the portable box.
Furthermore, a channel is arranged in the axial direction of the heating rod and is communicated with the round hole, the optical fiber is arranged in the channel, and the optical fiber is stuffed into the whole heating section of the heating rod to be fully utilized so as to heat the optical fiber with enough length.
The temperature measuring probe and the optical fiber have flexibility.
The portable box is internally provided with a battery, an inverter, a charger, a temperature controller, a screen with temperature indication and voltage indication and a related cable interface.
The working principle of the invention is as follows: the tail line segment on the heating rod is connected with the portable box through a power line, the temperature measuring probe is connected with the portable box through a temperature measuring probe line, the temperature measuring probe is plugged into a hole in the heating section on the heating rod, one section of measured optical fiber in the field is plugged into the other hole in the heating section on the heating rod, the whole section in the hole is fully covered with the optical fiber, the heating rod is powered by the portable box in operation, after one end of electrification is carried out, after the temperature display on the portable box is stable, the temperature of the optical fiber, the heating rod and the temperature measuring probe is consistent, namely the temperature of the current optical fiber, and after the temperature is stable, whether the optical fiber line type temperature-sensing fire detector is qualified or not can be judged.
Compared with the prior art, the invention has the beneficial effects that:
the invention solves the defects of the existing optical fiber heating, provides the portable optical fiber heating flexible device which is convenient to carry, convenient to operate, low in cost and accurate in measurement of the temperature value of the heating optical fiber, is used for detecting the field environment such as tunnel cables, outdoor cables and the like by using the optical fiber line type temperature-sensing fire detectors, is convenient for operators to heat the temperature-sensing optical fiber and is convenient for verifying the relevant performance of temperature measurement items on site.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a cross-sectional view of a heating rod of the apparatus of the present invention in operation;
FIG. 2 is a schematic view of the external structure of the apparatus of the present invention;
FIG. 3 is a sectional view of a heater rod component of the apparatus of the present invention;
FIG. 4 is a front view of a heater rod component of the apparatus of the present invention;
the temperature measuring device comprises an optical fiber 1, a heating rod 2, a temperature measuring probe 3, a power line 4, a portable box 5, a temperature measuring probe line 6, a hole I2-1, a heating section 2-2, a hole II 2-3, a joint section 2-4 and a tail line section 2-5.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background of the invention, the prior art is not portable and complicated to manufacture, and the present application provides a portable fiber optic heating flexible device to solve the above problems. The device can be used for the detection scheme of the optical fiber line type temperature-sensing fire detector applied to the field environments such as tunnel cables, outdoor cables and the like, and is used for heating the temperature-sensing optical fiber by operating personnel, so that the related performance of temperature measurement projects can be conveniently verified on site, and the purposes of low cost and portability are realized.
A portable optical fiber heating test device, comprising: portable case, heating rod, temperature probe.
The heating rod is made of heat-conducting silica gel containing AL2O3The heat conductivity coefficient of the heat conduction materials such as MgO, ZnO and the like can reach 4W/(m.k).
The heating rod is of a circular cross section, two round holes (a hole I and a hole II) with notches are formed in the heating rod, and the round holes are used for placing a temperature measuring probe and a heated optical fiber respectively. The opening is used for conveniently plugging in the temperature measuring probe and the heated optical fiber, and after the opening is plugged in, the temperature measuring probe and the optical fiber can be automatically clamped due to the elastic characteristic of the silica gel.
The heating rod is provided with a joint section, a heating section, a joint section and a tail line section in the axial direction. The tail line segment is connected with the portable box through a power line.
And plugging the temperature probe into a hole II in the heating section of the heating rod, and connecting the temperature probe to the portable box through a temperature probe line.
The optical fiber is plugged into a hole I in the heating section of the heating rod, and the optical fiber is plugged into the whole section of the heating section, so that the hole I of the heating section is fully utilized, and the optical fiber 1 which is long enough is heated.
The heating rod is made of heat-conducting silica gel, and the whole heating rod is flexible. No matter how long, the temperature measuring probe can be bent or coiled, the temperature measuring probe and the optical fiber are also flexible, and the temperature measuring probe, the optical fiber, the temperature measuring probe and the optical fiber are integrally assembled, are flexible and are convenient to carry.
Preferably, the temperature probe transmits the temperature signal to a portable box, and the portable box controls the heat provided to the heating belt.
As a typical embodiment, a portable optical fiber heating flexible device has a structure as shown in fig. 1-4, and includes two parts, namely a portable box 5 and a heating rod 2, wherein the portable box 5 has therein common components such as a battery, an inverter, a charger, a temperature controller, etc., and has a temperature indication screen, a voltage indication screen and related cable interfaces, and the internal structure of the box is not described herein again.
The heating rod 2 is provided with a joint section 2-4, a heating section 2-2, a joint section 2-4 and a tail line section 2-5 in the axial direction. The tail line segment 2-5 is connected with the portable box 5 through a power line 4.
The heating rod 2 is circular in cross section, and is provided with two round holes (a hole I2-1 and a hole II 2-3) with notches for placing the temperature measuring probe 3 and the heated optical fiber 1 respectively. The opening is used for conveniently plugging in the temperature probe 3 and the heated optical fiber 1, and after the opening is plugged in, the temperature probe 3 and the optical fiber 1 can be automatically clamped due to the elastic characteristic of silica gel.
The temperature probe 3 is plugged into a hole II 2-3 in the heating section 2-2 of the heating rod 2 and is connected to the portable box 5 through a temperature probe line 6.
The optical fiber 1 is plugged into the hole I2-1 in the heating section 2-2 of the heating rod 2, and the whole section of the heating section 2-2 is plugged into the optical fiber 1, so that the hole I2-1 of the heating section 2-2 is fully utilized, and the optical fiber 1 with enough length is heated.
The heating rod 2 is made of heat-conducting silica gel, and the whole heating rod is flexible. No matter how long, all can bend or coil, temperature probe and optic fibre are the same flexible, and after the three assembles an organic whole, whole still flexible, portable extremely.
The temperature measuring probe 3 and the tail line section 2-5 of the heating rod 2 can be electrified to work after being connected into the portable box 5.
After the power is switched on, the heating rod 2 becomes hot, the temperature measuring probe 3 and the optical fiber 1 are also indirectly heated through heat conduction, and after a period of time, the temperature of the three is stable and consistent. Thus, the temperature displayed by the temperature probe 3 on the portable case 5 is the temperature of the optical fiber 1 at that time.
The detection method by utilizing the device comprises the following steps: a tail line section 2-5 on a heating rod 2 is connected with a portable box 5 through a power line 4, a temperature probe 3 is connected with the portable box 5 through a temperature probe line 6, the temperature probe 3 is plugged into a hole II 2-3 in a heating section 2-2 on the heating rod 2, a section of tested optical fiber 1 in the field is plugged into a hole I2-1 in the heating section 2-2 on the heating rod 2, and the whole section in the hole I2-1 is fully covered with the optical fiber 1. The portable box 5 is operated to supply power to the heating rod 2, after the portable box is electrified for a period of time, when the temperature on the portable box 5 is displayed stably, the temperatures of the optical fiber 1, the heating rod 2 and the temperature measuring probe 3 are consistent, namely the temperature of the current optical fiber 1, and whether the optical fiber linear temperature-sensing fire detector is qualified or not can be judged after the temperature is stable.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (1)
1. A portable fiber optic heating flexible device, comprising: the portable temperature measuring device comprises a portable box, a heating rod and a temperature measuring probe, wherein the heating rod is made of flexible materials containing heat conducting materials, round holes with notches are formed in the two sides of the heating rod respectively, and the temperature measuring probe and heated optical fibers are placed on the round holes respectively to form a flexible whole;
the heating rod and the temperature measuring probe are connected with the portable box through power lines, and a power supply module and a display module are arranged in the portable box;
the heating rod is of a circular cross section, two round holes with notches are formed in the heating rod, and the two round holes are used for placing the temperature measuring probe and the heated optical fiber respectively; the width of the notch is matched with that of the temperature measuring probe and the heated optical fiber, and after the notch is plugged in, the flexible material containing the heat conducting material automatically clamps the temperature measuring probe and the optical fiber;
the heating rod is provided with a channel in the axial direction, the channel is communicated with the round hole, the optical fiber is arranged in the channel, and the optical fiber is stuffed into the whole heating section of the heating rod to be fully utilized so as to heat the optical fiber with enough length;
the flexible material comprises thermally conductive silicone;
the heat conductive material comprises AL2O3MgO or ZnO;
the heating rod is sequentially divided into a joint section, a heating section, a joint section and a tail line section in the axial direction;
a battery, an inverter, a charger, a temperature controller, a screen with temperature indication and voltage indication and related cable interfaces are arranged in the portable box;
the tail line segment on the heating rod is connected with the portable box through a power line, the temperature measuring probe is connected with the portable box through a temperature measuring probe line, the temperature measuring probe is plugged into a round hole in the heating section on the heating rod, one section of measured optical fiber in the field is plugged into another round hole in the heating section on the heating rod, the whole section in the round hole is fully covered with the optical fiber, the portable box is operated to supply power to the heating rod, after the portable box is powered on, the heating rod becomes hot, the temperature measuring probe and the optical fiber are indirectly heated through heat conduction, after a period of time, the temperatures of the three reach stable consistency, namely the temperature of the current optical fiber, and whether the optical fiber linear type temperature-sensing fire detector is qualified or not can be judged after the temperature is stable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475396.9A CN107179144B (en) | 2017-06-21 | 2017-06-21 | Portable optical fiber heating flexible device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475396.9A CN107179144B (en) | 2017-06-21 | 2017-06-21 | Portable optical fiber heating flexible device |
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| Publication Number | Publication Date |
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| CN107179144A CN107179144A (en) | 2017-09-19 |
| CN107179144B true CN107179144B (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710475396.9A Active CN107179144B (en) | 2017-06-21 | 2017-06-21 | Portable optical fiber heating flexible device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN201464082U (en) * | 2009-07-09 | 2010-05-12 | 北京市电力公司 | Heating device of temperature measuring optical cable |
| CN102788220A (en) * | 2011-05-20 | 2012-11-21 | 诺马德国有限责任公司 | Fluid conduit |
| CN202562651U (en) * | 2012-01-19 | 2012-11-28 | 厦门出入境检验检疫局检验检疫技术中心 | High-response FBG temperature sensor |
| CN103996440A (en) * | 2014-06-03 | 2014-08-20 | 淮南新光神光纤线缆有限公司 | Light watertight cable and manufacturing method thereof |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2550786Y (en) * | 2002-07-01 | 2003-05-14 | 江苏亨通光电股份有限公司 | Skeleton type leading-in optic cable |
| CN105919444A (en) * | 2016-06-30 | 2016-09-07 | 靖西市秀美边城农业科技有限公司 | Vehicle-mounted heating bag |
-
2017
- 2017-06-21 CN CN201710475396.9A patent/CN107179144B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07270256A (en) * | 1994-03-29 | 1995-10-20 | Chino Corp | Calibrating method of temperature |
| JPH10274569A (en) * | 1997-03-31 | 1998-10-13 | Tanaka Kikinzoku Kogyo Kk | Thermocouple calibration furnace and thermocouple calibration method |
| CN201464082U (en) * | 2009-07-09 | 2010-05-12 | 北京市电力公司 | Heating device of temperature measuring optical cable |
| CN102788220A (en) * | 2011-05-20 | 2012-11-21 | 诺马德国有限责任公司 | Fluid conduit |
| CN202562651U (en) * | 2012-01-19 | 2012-11-28 | 厦门出入境检验检疫局检验检疫技术中心 | High-response FBG temperature sensor |
| CN103996440A (en) * | 2014-06-03 | 2014-08-20 | 淮南新光神光纤线缆有限公司 | Light watertight cable and manufacturing method thereof |
| CN106768473A (en) * | 2016-12-16 | 2017-05-31 | 山东康威通信技术股份有限公司 | A kind of portable fiber-optic heats test device and method |
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| CN107179144A (en) | 2017-09-19 |
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Denomination of invention: A portable flexible device for optical fiber heating Effective date of registration: 20220622 Granted publication date: 20210914 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: Conway Communication Technology Co.,Ltd. Registration number: Y2022370000072 |
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Denomination of invention: A portable optical fiber heating flexible device Effective date of registration: 20230321 Granted publication date: 20210914 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: Conway Communication Technology Co.,Ltd. Registration number: Y2023370000057 |
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