CN108053986A - A kind of cushion block special and fluorescence fiber temperature measurement transformer coil - Google Patents
A kind of cushion block special and fluorescence fiber temperature measurement transformer coil Download PDFInfo
- Publication number
- CN108053986A CN108053986A CN201711473136.4A CN201711473136A CN108053986A CN 108053986 A CN108053986 A CN 108053986A CN 201711473136 A CN201711473136 A CN 201711473136A CN 108053986 A CN108053986 A CN 108053986A
- Authority
- CN
- China
- Prior art keywords
- cushion block
- block special
- transformer
- temperature measurement
- dove
- 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.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2871—Pancake coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of cushion block special and fluorescence fiber temperature measurement transformer coils, the section of the cushion block special is in the cushion block structure of dove-tail form, including skewed slot, the skewed slot opening is located at the side 2/3rds of the structure one side apart from the dove-tail form, is slotted with the cushion block special in the direction of fixed angle；The angular range is in 30 ° 45 ° with the lower side, and opening direction is directed toward the dove-tail form structure one side.The oil duct of cushion block special is increased, so that line cake oil stream is more unobstructed；This transformer optical fiber temperature measurement system provide dynamic, real-time, safe and reliable information, cooling system can be started in time, it is ensured that it is transformer insulated without damage or by minimum destroyed, extend the service life of transformer；Optical fiber temperature measurement system can monitor transformer winding temperature in real time, assess running state of transformer, and more cost-effective control cooling system optimizes cost, while the reliability of strengthening system.
Description
Technical field
The present invention relates to a kind of transformer coils, and in particular to a kind of cushion block special and fluorescence fiber temperature measurement transformer wire
Circle.
Background technology
The operation principle of traditional transformer winding temperature controller is from the current transformer acquirement of transformer and load
The directly proportional extra current Ict of electric current, through compound transmitter unsteady flow into Ih.Ih especially sets one group set up in compound transmitter
The heating element of meter is heated, which is proportional to load current additional temperature caused by heating element rises i.e. simulation
Copper oil temperature difference Two, be superimposed on transformer top-oil temperature To so that winding temperature gage thermometer bulb obtain transformer winding
Temperature Tw=To+Two, this method coil temperature are unevenly distributed, and coil temperature is excessively high, and the safety for influencing transformer is transported
Row and service life.
The content of the invention
Goal of the invention：For overcome the deficiencies in the prior art, the present invention provides a kind of cushion block special, the structure of cushion block special
Solve the problems, such as that pre-buried fibre optical sensor is subject to oppressive force, line cake oil duct makes line cake oil stream unobstructed, and the invention further relates to a kind of glimmering
Light fiber temperature measurement transformer coil, the heat dissipation that the structure of the coil solves transformer cause risk not in time.
Technical solution：Cushion block special of the present invention, including upper and lower two sides, section is in the structure of dove-tail form,
It is characterized in that, including skewed slot, the skewed slot opening is located at the side 2/3rds of the structure one side apart from the dove-tail form
Place, fluting direction and the cushion block special are at an angle.
Preferably, the angular range is in 30 ° -45 ° with the lower side, and opening direction is directed toward the dove-tail form structure
One side.
Preferably, the length of the skewed slot and depth are more than the length and width of fibre optical sensor temperature probe.
A kind of fluorescence fiber temperature measurement transformer coil of above-mentioned cushion block special further includes line cake, has line cake oil by line cake
Road, the cushion block special are placed in line cake, are bound cake along the fiber pigtail with tightening belt.
Preferably, the cushion block special, which is close to, is clipped between two common cushion blocks up and down.
The transformer coil includes low pressure, middle pressure, high pressure and voltage regulation coil, is designed in the line cake of each coil described
Cushion block special and optical fiber, and by optical fiber binding on the respective line cake.
Advantageous effect：Compared with prior art, the present invention its remarkable advantage is：1st, it is of the invention by optical fiber temperature measurement system and change
Transformer coil is installed together, and can monitor the temperature of transformer winding in real time, assesses running state of transformer, cost-effective
Cooling system is controlled, optimizes cost, while the reliability of strengthening system；2nd, the structure design of cushion block special can effectively prevent light
Fine temperature probe comes off, and ensures the normal operation of system；3rd, the oil duct of cushion block special is increased, so that line cake oil stream is more logical
Freely.
Description of the drawings
Fig. 1 is the top view of the cushion block special of the present invention；
Fig. 2 is the left view of the cushion block special of the present invention；
Fig. 3 is pre-buried schematic diagram of the optical fiber of the present invention in low-voltage coil；
Fig. 4 is pre-buried schematic diagram of the optical fiber of the present invention in intermediate voltage winding；
Fig. 5 is pre-buried schematic diagram of the optical fiber of the present invention in high-tension coil.
Specific embodiment
Embodiment 1
Such as Fig. 1, cushion block special is section in the cushion block structure of dovetail groove profile, the width d of cushion block specialz=40mm, length lz
The width of=86.5mm, wherein dovetail groove are d, and d is generally taken 27mm in industrial application, the axial direction of coil is caught on using dovetail groove
T-shaped stay, it is easy for installation.In order to make line cake oil stream unimpeded, line cake oil duct is increased as l, l=4.5mm.Skewed slot on cushion block special
At cushion block special left side length about 1/3rd, with cushion block at an angle Ang direction slot, the present embodiment use angle
Spend for Ang=30 °, the length of slot from left vertex be lleft,lleft=45mm, it is l to start length from right vertexright, lright
=39mm, groove width dcFor 3.5mm, groove depth dsFor 3mm, fiber optic temperature measuring probe can be just placed, and is allowed some leeway, upon compression
It will not make fiber optic temperature measuring probe stress.
Such as Fig. 2, cushion block special is d by three thickness1The T4 insulating boards of=1.5mm make, i.e. the thickness d of cushion blockdFor
4.5mm.Cushion block special, which is close to, to be clipped between two common cushion blocks up and down, and the thickness of common cushion block is generally 3mm, oil duct total thickness
Spend dzong=7.5mm.
Embodiment 2
Including the cushion block special that embodiment 1 is related to, fiber optic temperature measuring probe is embedded in for fluorescence fiber temperature measurement transformer coil
In the slot of cushion block special, cushion block special is placed in the line cake of the coil of transformer, and fiber optic temperature measuring probe comes off in order to prevent,
The length that fiber optic temperature measuring probe is embedded to apart from notch is at least 20mm.Cushion block special respectively has one piece of common cushion block up and down, tight
Cushion block special is against, wherein the oil duct of common cushion block is generally 3mm.
Optical fiber can all install optical fiber temperature measurement system, such as Fig. 3, fiber pigtail in the high, medium and low of transformer, voltage regulation coil
It is from dzongIt is drawn at oil duct, leading-out end is denoted as A, and abc lifts one's head for low voltage three-phase coil, h1-h6For the line cake of coiling
Number, abc is from line cake h7Place is drawn, and the oil duct thickness of common cushion block is dp=3mm.Coil oil duct height hyg=6mm, oil baffle
Size ddyb=1mm.
Such as Fig. 4, fiber pigtail is from dzongIt is drawn at oil duct, leading-out end is denoted as B, AmBmCmFor middle pressure three-phase coil
Lift one's head, h '1-h6' be coiling line cake number, AmBmCmFrom line cake h7' place is drawn, and the oil duct thickness of common cushion block is dp=
3mm.Coil oil duct height hyg=6mm, oil baffle size ddyb=1mm.
Such as Fig. 5, fiber pigtail is from dzongIt is drawn at oil duct, leading-out end is denoted as C, AnBnCnFor middle pressure three-phase coil
Lift one's head, h "1-h”11For the line cake number of coiling, AnBnCnFrom line cake h12" at draw, the oil duct thickness of common cushion block is dp
=3mm.Coil oil duct height hyg=6mm, oil baffle size ddyb=1mm.
It will be bound with tightening belt from the optical fiber that cushion block special is drawn along this magnet wire cake at 2~3, make optical fiber and coil continuously
Gap side bundle is solid and reliable, notices that optical fiber cannot have folding line, fiber kinks circular diameter to be more than 120mm；By high pressure, middle pressure, low pressure, tune
Binding connects fiber to transformer again on respective coil after the assembling of device body after the orderly arrangement of the optical fiber on coils such as pressure
On the through device plate of optical fiber temperature-measurement.
Claims (5)
1. a kind of cushion block special, including upper and lower two sides, section is in the structure of dove-tail form, which is characterized in that including being used to put
The skewed slot of optical fiber is put, the skewed slot opening is located at the lower side 2/3rds of the structure one side apart from the dove-tail form,
Fluting direction and the cushion block special are at an angle.
2. cushion block special according to claim 1, which is characterized in that the angular range be with the lower side in 30 °-
45 °, opening direction is directed toward the dove-tail form structure one side.
3. cushion block special according to claim 1, which is characterized in that the length and depth of the skewed slot are more than Fibre Optical Sensor
The length and width of device temperature probe.
4. a kind of fluorescence fiber temperature measurement transformer coil with cushion block special described in claim 1, which is characterized in that also wrap
Line cake is included, there is line cake oil duct by line cake, the cushion block special is placed in line cake, will be along the fiber pigtail with tightening belt
Cake is bound.
5. fluorescence fiber temperature measurement transformer coil according to claim 4, which is characterized in that the cushion block special is close to
It is clipped between two common cushion blocks up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473136.4A CN108053986A (en) | 2017-12-29 | 2017-12-29 | A kind of cushion block special and fluorescence fiber temperature measurement transformer coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473136.4A CN108053986A (en) | 2017-12-29 | 2017-12-29 | A kind of cushion block special and fluorescence fiber temperature measurement transformer coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108053986A true CN108053986A (en) | 2018-05-18 |
Family
ID=62128781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711473136.4A Withdrawn CN108053986A (en) | 2017-12-29 | 2017-12-29 | A kind of cushion block special and fluorescence fiber temperature measurement transformer coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108053986A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360724A (en) * | 2018-12-03 | 2019-02-19 | 保定天威保变电气股份有限公司 | A kind of transformer coil fiber retention structures and method |
| CN111677982A (en) * | 2020-06-28 | 2020-09-18 | 江西普雷伊顿电气有限公司 | Involute beating plate for assembling transformer |
| CN112276591A (en) * | 2020-11-01 | 2021-01-29 | 常德国力变压器有限公司 | Automatic processing device for placing cushion block of optical fiber temperature sensor |
-
2017
- 2017-12-29 CN CN201711473136.4A patent/CN108053986A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360724A (en) * | 2018-12-03 | 2019-02-19 | 保定天威保变电气股份有限公司 | A kind of transformer coil fiber retention structures and method |
| CN109360724B (en) * | 2018-12-03 | 2023-06-20 | 保定天威保变电气股份有限公司 | Transformer coil optical fiber fixing structure and method |
| CN111677982A (en) * | 2020-06-28 | 2020-09-18 | 江西普雷伊顿电气有限公司 | Involute beating plate for assembling transformer |
| CN111677982B (en) * | 2020-06-28 | 2021-10-08 | 江西普雷伊顿电气有限公司 | Involute beating plate for assembling transformer |
| CN112276591A (en) * | 2020-11-01 | 2021-01-29 | 常德国力变压器有限公司 | Automatic processing device for placing cushion block of optical fiber temperature sensor |
| CN112276591B (en) * | 2020-11-01 | 2022-05-24 | 常德国力变压器有限公司 | Automatic processing device for placing cushion block of optical fiber temperature sensor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180518 |