CN220170386U - Spiral line-shaped temperature calibration device for optical fiber temperature measurement and connecting structure of spiral line-shaped temperature calibration device and bus duct - Google Patents
Spiral line-shaped temperature calibration device for optical fiber temperature measurement and connecting structure of spiral line-shaped temperature calibration device and bus duct Download PDFInfo
- Publication number
- CN220170386U CN220170386U CN202321512690.XU CN202321512690U CN220170386U CN 220170386 U CN220170386 U CN 220170386U CN 202321512690 U CN202321512690 U CN 202321512690U CN 220170386 U CN220170386 U CN 220170386U
- Authority
- CN
- China
- Prior art keywords
- calibration device
- optical fiber
- bus duct
- spiral
- temperature calibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 53
- 238000009529 body temperature measurement Methods 0.000 title claims description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000007779 soft material Substances 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000253 optical time-domain reflectometry Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a spiral linear temperature calibration device for measuring temperature by an optical fiber and a connecting structure of the spiral linear temperature calibration device and a bus duct. The spiral temperature calibration device for measuring the temperature of the optical fiber comprises a base plate and a guide pipe, wherein the base plate can conduct heat and is made of soft materials, the guide pipe is regularly coiled on the surface of the base plate and is connected with the base plate, a penetrating press-in seam is formed in the surface of the guide pipe, and the press-in seam extends along the length direction of the guide pipe. The utility model can be tightly attached to the groove body structure, is heated uniformly, improves the accuracy of the measurement result, and is simple in structure and convenient for later construction operation.
Description
Technical Field
The utility model relates to the technical field of distributed optical fiber temperature measurement systems, in particular to a spiral linear temperature calibration device for optical fiber temperature measurement and a connection structure of the spiral linear temperature calibration device and a bus duct.
Background
In recent years, the bus has strong load capacity and high reliability, and has wider application in power supply systems with larger load density, such as super high-rise public buildings, commercial complexes, large and medium-sized industrial workshops and the like, and compared with the traditional cable, the bus can fully show the superiority in a large-current conveying environment. However, the bus duct is in a working environment with high current and high voltage for a long time, and the contact resistance of the bus contact point and each section of connection part is increased due to aging, oxidation, loosening and the like, so that the bus is heated, safety accidents such as electric leakage and fusing are caused, even fire is caused, and the bus duct temperature monitoring method is particularly important for monitoring the temperature of the bus duct. For commercial enterprises with huge losses caused by short-term power failure, the temperature of the connector of the bus is required to be monitored in real time so as to eliminate fire hazards in a sprouting state.
The existing bus temperature measurement system can generally adopt distributed optical fiber temperature measurement, and when the optical fiber temperature measurement system is applied to bus temperature measurement, the optical fiber installation is generally carried out on site after the bus installation is completed or when part of the bus installation is completed. The temperature calibration devices currently used mainly have two types: one is that the optical fiber is coiled in a field annular shape (the length is required to exceed 1000 mm), and then is placed close to the groove body as much as possible; and the other adopts a separated calibration device, and each position is welded through a welding joint. The former convenient operation, but manual operation can lead to the homogeneity of optic fibre arrangement to be different, and calibration device and cell body also can not even laminating. The latter is when the on-site optical fiber fusion, causes the connector to pollute or damage easily, and then leads to signal loss unusual, also inconvenient on-site construction operation.
Disclosure of Invention
The utility model provides a spiral linear temperature calibration device for measuring the temperature of an optical fiber and a connecting structure of the spiral linear temperature calibration device and a bus duct, which can be tightly attached to a groove body structure and heated uniformly, so that the accuracy of a measuring result is improved, and meanwhile, the spiral linear temperature calibration device is simple in structure and convenient for later construction operation.
In order to solve the problems, the utility model adopts the following technical scheme:
according to a first aspect of the utility model, an embodiment of the utility model provides a spiral temperature calibration device for measuring temperature by optical fibers, which comprises a base plate and a conduit, wherein the base plate is made of a soft material and can conduct heat, the conduit is regularly coiled on the surface of the base plate and is connected with the base plate, the surface of the conduit is provided with a penetrating press-in seam, and the press-in seam extends along the length direction of the conduit.
In some embodiments, the surface of the catheter is further provided with a plurality of through press-in holes, the press-in holes are connected with the press-in slits, and the width of the press-in holes is larger than the width of the press-in slits.
In some embodiments, the conduit is helically coiled at the surface of the base plate.
In some embodiments, the indentation holes are uniformly and symmetrically distributed around the spiral center point of the catheter.
In some embodiments, the base plate and the conduit are integrally connected.
In some embodiments, the base plate and conduit are both made of thermally conductive silicone.
In some embodiments, the base plate is provided with a plurality of mounting holes therethrough.
In some embodiments, the mounting holes are provided with four mounting holes and are respectively positioned at four corners of the bottom plate.
According to a second aspect of the present utility model, an embodiment of the present utility model provides a connection structure between a spiral temperature calibration device for measuring temperature of an optical fiber according to any one of the first aspect and a bus duct, wherein: the novel bus duct comprises a first bus duct, a second bus duct, a bus duct connector and optical fibers, wherein the first bus duct and the second bus duct are connected together through the bus duct connector, the bottom plate is tightly attached to the surface of the bus duct connector, and the optical fibers pass through the press-in seam to be arranged in the guide pipe in a penetrating mode.
The utility model has at least the following beneficial effects: the bottom plate is made of soft materials, can be tightly attached to the groove body structure, and the guide pipes are regularly coiled on the surface of the bottom plate, so that the optical fibers are also regularly and uniformly distributed, the guide pipes can uniformly conduct heat to the optical fibers, the optical fibers are uniformly heated, and the accuracy of a measurement result is improved; meanwhile, the whole structure is simple, and the optical fiber can be pressed into the guide pipe through the pressing-in seam on the guide pipe, so that the later construction operation is convenient.
Drawings
FIG. 1 is a schematic diagram of a spiral temperature scaling device for measuring temperature of an optical fiber according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a spiral temperature calibration device for measuring temperature of an optical fiber according to an embodiment of the present utility model after the optical fiber is installed;
FIG. 3 is a schematic cross-sectional view of a spiral temperature calibration device for fiber optic thermometry in accordance with one embodiment of the utility model;
fig. 4 is a schematic structural diagram of a connection structure between a spiral temperature calibration device for measuring temperature of an optical fiber and a bus duct according to an embodiment of the present utility model.
Wherein, the reference numerals are as follows:
a base plate 100, screws 110, gaskets 120;
a guide tube 200, a press-fit slit 210, and a press-fit hole 220;
an optical fiber 300;
a first bus duct 410, a second bus duct 420, and a bus duct connector 430.
Detailed Description
The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the utility model as defined in the claims and their equivalents. The description includes various specific details to aid in understanding, but these details should be regarded as merely exemplary. Accordingly, those skilled in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the utility model.
In the description of the present utility model, references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or there can be intervening elements (e.g., a third element) between the element and the other element.
An embodiment of the present utility model provides a spiral temperature calibration device for measuring temperature by using an optical fiber, as shown in fig. 1-3, which includes a bottom plate 100 and a conduit 200, wherein both the bottom plate 100 and the conduit 200 can conduct heat to transfer heat generated on a groove structure, and can be absorbed by the optical fiber 300 for measuring temperature. Meanwhile, the bottom plate 100 and the guide tube 200 are made of soft materials and can deform, when the surface of the groove structure is uneven, the bottom plate 100 can still be clung to the surface of the groove structure, and the guide tube 200 can deform to provide conditions for the optical fiber 300 to be pressed into the guide tube 200. The guide tube 200 is regularly coiled on the surface of the bottom plate 100 and is connected with the bottom plate 100, so that the optical fibers 300 in the guide tube 200 can be regularly and uniformly distributed on the bottom plate 100, and the guide tube 200 can uniformly conduct heat to the optical fibers 300, so that the optical fibers 300 are uniformly heated, and the accuracy of a measurement result is improved. The surface of the catheter 200 is provided with a press-fit slit 210 penetrating therethrough, the press-fit slit 210 penetrating through the sidewall of the catheter 200 and communicating with the lumen of the catheter 200, the press-fit slit 210 extending along the length direction of the catheter 200. When the optical fiber 300 for temperature measurement is installed, the optical fiber 300 can be gradually pressed into the guide pipe 200 along the length direction of the guide pipe 200 without cutting the optical fiber 300, and the width of the pressing-in seam 210 is increased in an extrusion mode.
It should be noted that, in this embodiment, the Optical Time Domain Reflectometry (OTDR) may be used to measure the temperature, and specifically, the transmission speed of the optical wave in the optical fiber and the time of the back-light echo are used to locate the hot spot. Distributed measurement of the temperature field along the fiber can be achieved using this principle. When the temperature of the bus section in the optical fiber loop exceeds the set value, the background system can immediately give an alarm, automatically analyze the position distance of the fault point, timely find and process faults and potential safety hazards in the bus operation process, and provide powerful guarantee for safe and reliable operation of power supply equipment.
In some embodiments, the surface of the catheter 200 is further provided with a plurality of through press-in holes 220, the press-in holes 220 penetrate through the sidewall of the catheter 200 and are communicated with the inner cavity of the catheter 200, the press-in holes 220 are connected with the press-in slits 210, and the width of the press-in holes 220 is larger than the width of the press-in slits 210, which corresponds to increasing the width of a part of the press-in slits 210, and the variable amount of the catheter 200 can be increased, so that the press-in slits 210 are easier to expand, and the optical fiber 300 is easier to be pressed into the catheter 200.
In some embodiments, the conduit 200 is spirally coiled on the surface of the bottom plate 100, and the coiling manner makes the conduit 200 orderly and uniformly distributed, so that the optical fiber 300 is uniformly heated, and accuracy of measurement results is improved.
Further, the press-in holes 220 are uniformly and symmetrically distributed around the spiral center point of the catheter 200, so that the distribution of the variable quantity of the whole catheter 200 is more uniform, and the optical fiber 300 can be quickly pressed into the catheter 200.
In some embodiments, the base plate 100 and the duct 200 are integrally connected, and both may be made of the same material, which facilitates manufacturing and molding, and also may enhance the connection strength of the base plate 100 and the duct 200.
Further, both the base plate 100 and the guide tube 200 are made of heat conductive silica gel, which can conduct heat, is soft and is easy to deform.
In some embodiments, the base plate 100 is provided with a plurality of mounting holes therethrough, through which screws 110 or other connectors may be used to secure the base plate 100. Further, a spacer 220 may be used to increase the contact area to avoid crushing the bottom plate 100.
Further, the four mounting holes are provided at four corners of the base plate 100, respectively, so as not to interfere with the guide duct 200.
The embodiment of the present utility model further provides a connection structure between the spiral temperature calibration device for measuring temperature of optical fiber and the bus duct, as shown in fig. 4, including a first bus duct 410, a second bus duct 420, a bus duct connector 430 and an optical fiber 300, and the specific description of the spiral temperature calibration device for measuring temperature of optical fiber is referred to the above embodiment, and is not repeated herein. The first bus duct 410 and the second bus duct 420 are connected together by a bus duct connector 430, the base plate 100 is tightly fixed to the surface of the bus duct connector 430, and the optical fiber 300 is inserted into the guide duct 200 by a press-in slit.
In some embodiments, the surface of the bus duct connector 430 may be provided with a plurality of fixing holes adapted to the mounting holes on the base plate 100, and the screws 110 may pass through the mounting holes and then be screwed with the fixing holes, so as to tightly fix the base plate 100 on the surface of the bus duct connector 430.
The terms and words used in the above description and claims are not limited to literal meanings but are only used by the applicant to enable a clear and consistent understanding of the utility model. Accordingly, it will be apparent to those skilled in the art that the foregoing description of the various embodiments of the utility model has been provided for illustration only and not for the purpose of limiting the utility model as defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a spiral line-shaped temperature calibration device of optic fibre temperature measurement which characterized in that: the heat-conducting pipe comprises a base plate and a pipe, wherein the base plate is made of soft materials, the pipe is regularly coiled on the surface of the base plate and is connected with the base plate, the surface of the pipe is provided with a penetrating press-in seam, and the press-in seam extends along the length direction of the pipe.
2. The spiral temperature calibration device for optical fiber temperature measurement according to claim 1, wherein: the surface of pipe still is provided with a plurality of pressure ports that run through, pressure ports link to each other with the indentation seam, and the width of pressure ports is greater than the width of indentation seam.
3. The spiral temperature calibration device for optical fiber temperature measurement according to claim 2, wherein: the conduit is spirally coiled on the surface of the bottom plate.
4. A spiral temperature calibration device for optical fiber temperature measurement according to claim 3, wherein: the press-in holes are uniformly and symmetrically distributed around the spiral center point of the guide pipe.
5. The spiral temperature calibration device for optical fiber temperature measurement according to claim 1, wherein: the bottom plate is integrally connected with the guide pipe.
6. The spiral temperature calibration device for optical fiber temperature measurement according to claim 5, wherein: the base plate and the conduit are both made of thermally conductive silica gel.
7. The spiral temperature calibration device for optical fiber temperature measurement according to any one of claims 1-6, wherein: the bottom plate is provided with a plurality of through mounting holes.
8. The spiral temperature calibration device for optical fiber temperature measurement according to claim 7, wherein: the mounting holes are formed in four and are respectively located at four corners of the bottom plate.
9. A connection structure of a spiral temperature calibration device for measuring temperature of an optical fiber and a bus duct according to any one of claims 1 to 8, wherein: the novel bus duct comprises a first bus duct, a second bus duct, a bus duct connector and optical fibers, wherein the first bus duct and the second bus duct are connected together through the bus duct connector, the bottom plate is tightly attached to the surface of the bus duct connector, and the optical fibers pass through the press-in seam to be arranged in the guide pipe in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321512690.XU CN220170386U (en) | 2023-06-13 | 2023-06-13 | Spiral line-shaped temperature calibration device for optical fiber temperature measurement and connecting structure of spiral line-shaped temperature calibration device and bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321512690.XU CN220170386U (en) | 2023-06-13 | 2023-06-13 | Spiral line-shaped temperature calibration device for optical fiber temperature measurement and connecting structure of spiral line-shaped temperature calibration device and bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170386U true CN220170386U (en) | 2023-12-12 |
Family
ID=89066403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321512690.XU Active CN220170386U (en) | 2023-06-13 | 2023-06-13 | Spiral line-shaped temperature calibration device for optical fiber temperature measurement and connecting structure of spiral line-shaped temperature calibration device and bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170386U (en) |
-
2023
- 2023-06-13 CN CN202321512690.XU patent/CN220170386U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106855443B (en) | Cable intermediate head conductor temperature measurement structure | |
| CN205175574U (en) | Cable intermediate head conductor temperature measures structure | |
| CN104183334A (en) | Novel composite sensing optical cable | |
| CN215000140U (en) | Oil pipeline heat tracing device | |
| CN112483907B (en) | Pipeline leakage detection system and method | |
| CN109681788B (en) | Optical cable and pipeline leakage monitoring system | |
| CN220170386U (en) | Spiral line-shaped temperature calibration device for optical fiber temperature measurement and connecting structure of spiral line-shaped temperature calibration device and bus duct | |
| CN103487164A (en) | Optical fiber Bragg grating temperature sensor for monitoring temperature of transformer core and using method thereof | |
| CN103487162A (en) | High voltage equipment contact temperature online monitoring system based on optical fiber network | |
| CN212206410U (en) | Novel temperature sensing optical fiber device | |
| CN104635056A (en) | Method for calculating contact resistance of intermediate joint crimping tube of three-core cable | |
| CN202511922U (en) | Oppc optical cable stress and carrying capacity measuring and calculating system | |
| CN219776926U (en) | Crystallization temperature real-time monitoring device is prevented to distributed optical fiber ammonia pipeline | |
| CN111238683A (en) | Transformer temperature measuring device | |
| CN103346512B (en) | A kind of intelligent busway | |
| CN110261004A (en) | A kind of high voltage power cable core temperature calculation method | |
| CN203274954U (en) | Novel composite sensing optical cable | |
| CN203718243U (en) | Full-time multi-section monitoring type electro-fusion pipe fitting | |
| CN216523707U (en) | Buried pipeline welding line strain real-time monitoring system based on BOTDA principle | |
| CN210464738U (en) | Temperature monitoring device of transformer substation | |
| CN203908587U (en) | Optical cable splice box temperature and humidity wireless detecting system | |
| CN219084258U (en) | Flexible sensor structure applied to cable temperature measurement | |
| CN219532299U (en) | Switching temperature measuring device for vacuum furnace | |
| CN211978163U (en) | Transformer temperature measuring device | |
| CN209472115U (en) | A kind of intelligent integral prefabricated insulating joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |