CN209471819U - Transformer temperature controller based on optical fiber temperature-measurement - Google Patents
Transformer temperature controller based on optical fiber temperature-measurement Download PDFInfo
- Publication number
- CN209471819U CN209471819U CN201920510353.4U CN201920510353U CN209471819U CN 209471819 U CN209471819 U CN 209471819U CN 201920510353 U CN201920510353 U CN 201920510353U CN 209471819 U CN209471819 U CN 209471819U
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- China
- Prior art keywords
- optical fiber
- temperature
- long tube
- transformer
- screw thread
- 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- Withdrawn - After Issue
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 50
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 23
- 238000004088 simulation Methods 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a kind of transformer temperature controller based on optical fiber temperature-measurement, it is successively cased with metal hose on the optical fiber of optical fiber temperature measurement host to fiber optic temperature measuring probe, draws long tube and optical fiber protection cover, metal hose is connected between long tube by fixing piece and joint screw thread with drawing；Draw and be socketed with installation screw on long tube, be connected to installation nut with installation screw external screw thread, installation nut lower end has external screw thread for connecting with transformer thermometric blind pipe, upper end to have a circle boss, is fixed with gasket below boss；Optical fiber protection cover lower end internal screw thread is connected with thermal simulation shell, there is the inner core fixed by circlip in thermal simulation shell, thermal simulation housing bottom has cover bottom, there is the thermometer hole of built-in fiber temperature probe at the inner core center, it is wound with heating coil outside inner core, heating coil is by being placed in metal hose, drawing long tube and the conducting wire of optical fiber protection cover connects with current transformer.
Description
Technical field
The utility model relates to a kind of transformer temperature controller, especially a kind of fast response time, accuracy and reliable
The high transformer temperature controller based on optical fiber temperature-measurement of property.
Background technique
Existing transformer temperature controller is equipped with the current transformer to connect with transformer current mutual inductor (CT), and current transformer passes through inside
The elements such as current transformer and resistance, after being the electric current for meeting copper oil temperature difference for transformer current mutual inductor output current regulation
Connect with heating element.Heating element is placed in the copper body of inner cavity, has catch bar in the front end of copper body, copper intracoelomic cavity passes through biography
Sense conduit (capillary) is communicated with temperature sensing package, and temperature-sensitive Jie is filled in the sealing system that temperature sensing package, sensing catheter and copper body are constituted
Matter.When measuring transformer oil surface temperature, temperature sensing package is placed in transformer top-oil temperature thermometric blind pipe, the temperature that temperature sensing package is incuded
Degree changes the volume of temperature sensing medium therewith, and volume variable drives catch bar to generate a corresponding displacement, to indicate quilt
Survey oil surface temperature；When measuring transformer winding temperature, the electric current of current transformer output flows through the intracorporal heating element of copper, heating element
Heating temperature so that the volume of temperature sensing medium is reexpanded, continue to generate corresponding displacement, thus realize superposition temperature rise to refer to
Show tested winding temperature.There is following problems:
1. response speed is slow
Temperature sensing package, sensing catheter and copper body make the heat loss of temperature measuring point, cause heat balance time long, in addition inside copper body
Pressure and external pressure also take a long time to can be only achieved balance, therefore response speed is slower；
2. measurement accuracy by the factors such as environment temperature, atmospheric pressure, capillary transmitting range and mechanical original part influenced compared with
Greatly, accuracy of measurement is reduced.
3. the element in sealing system is difficult to repair, once and copper body damages, internal liquid, gas are revealed,
Temperature controller is directly resulted in scrap.
Optical fiber temperature-measurement has been applied to multiple fields, is made of optical fiber temperature measurement host, temperature-measuring optical fiber and fiber optic temperature measuring probe, tool
Have structure simple, fast response time, accuracy and high reliability, still, due to transformer structure and use ring
The particularity in border, there are no the relevant reports that optical fiber temperature-measurement is applied to transformer temperature detection so far.
Summary of the invention
The utility model be in order to solve above-mentioned technical problem present in the prior art, provide a kind of fast response time,
The transformer temperature controller based on optical fiber temperature-measurement of accuracy and high reliablity.
The technical solution of the utility model is: a kind of transformer temperature controller based on optical fiber temperature-measurement has optical fiber temperature-measurement
Host, the optical fiber temperature measurement host are connected by temperature-measuring optical fiber with fiber optic temperature measuring probe, in optical fiber temperature measurement host to optical fiber temperature-measurement
It is successively cased with metal hose on the optical fiber of probe, draws long tube and optical fiber protection cover, the metal hose and drawing passes through between long tube
It is fixed on the fixing piece of metal hose end and being fixed on and draws the joint screw thread of long pipe end and connect；It is described draw be socketed on long tube
Screw is installed, is connected to installation nut with installation screw external screw thread, installing between screw and installation nut has the first cushion rubber, described
Installation nut lower end has external screw thread for connecting with transformer thermometric blind pipe, upper end to have a circle boss, solid below the boss
Surely there is gasket；Optical fiber protection cover lower end internal screw thread is connected with thermal simulation shell, thermal simulation shell and optical fiber protection cover it
Between have the second cushion rubber, have the inner core fixed by circlip in the thermal simulation shell, thermal simulation housing bottom has cover bottom, the inner core
There is a thermometer hole of built-in fiber temperature probe at center, is wound with heating coil outside inner core, heating coil by be placed in metal hose,
The conducting wire for drawing long tube and optical fiber protection cover connects with current transformer.
Fiber optic temperature measuring probe can be fixed in transformer top-oil temperature thermometric blind pipe by the utility model by installation nut,
Installation is simple, can install at any time, without the preset fibre-optical probe before transformer dispatches from the factory；Good airproof performance, can prevent rainwater etc. into
Enter in transformer thermometric blind pipe；Safety is good, improves optical fiber and probe use reliability；Give full play to optical fiber temperature-measurement response speed
Fast, accuracy and high reliability are spent, and is able to reflect the mean temperature of transformer winding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
The transformer oil temperature control device based on optical fiber temperature-measurement of the utility model, it is same as the prior art as shown in Figure 1:, have
Optical fiber temperature measurement host 1, optical fiber temperature measurement host 1 are connected by temperature-measuring optical fiber 2 with fiber optic temperature measuring probe 3, different from prior art institute
Be successively to be cased with metal hose 4 on the optical fiber 2 of optical fiber temperature measurement host 1 to fiber optic temperature measuring probe 3, draw long tube 5 and optical fiber is anti-
Shield 6, metal hose 4 use coiled pipe, and drawing long tube 5 can be used stainless steel tube, and the fixing piece 7 that 4 end of metal hose is fixed with draws
5 end of long tube is fixed with connector 8, fixing piece 7 and 8 threaded engagement of connector by screw 24, is secondary protection, can be shunk with waterproof
Pipe tightens 4 hose of part metals on 7 top of fixing piece；Draw and be socketed with installation screw 9 on long tube 5, with installation 9 external screw thread of screw
Be connected to installation nut 10, installing between screw 9 and installation nut 10 has the first cushion rubber 11, installation 10 lower end of nut have for
External screw thread 12 that transformer thermometric blind pipe connects, upper end have a circle boss 13, and boss 13 is fixed with gasket 14 below；Optical fiber is anti-
Shield 6, which is welded on, draws 5 lower end of long tube, and 6 lower end internal screw thread internal screw thread of optical fiber protection cover is connected with thermal simulation shell 15, thermal simulation shell
There is the second cushion rubber 16 between body 15 and optical fiber protection cover 6, there is the inner core 18 fixed by circlip 17, thermal simulation in thermal simulation shell 15
Cover bottom 19 is arranged at 15 bottom of shell, and there is the thermometer hole 20 of built-in fiber temperature probe 3 at 18 center of inner core, heating is wound with outside inner core 18
Coil 21, heating coil 21 is by being placed in metal hose 4, drawing long tube 5 and the conducting wire 22 of optical fiber protection cover 6 and 23 phase of current transformer
It connects.When production, inner core 18 is fabricated to cylindrical body using red copper, and center processes thermometer hole 20, processes outside side useful in solid
Determine the groove 25 of heating coil 21.By the wire of 7.6 Ω of heating coil 21(30cm long, outsourcing high-temperature insulation pipe) be wrapped in it is recessed
It in slot 25, is fixed using high-temp glue, then fiber optic temperature measuring probe 3 is inserted into thermometer hole 20, after perfusion heat-conducting silicone grease is fixed again
Using heatproof silica gel sealing, inner core 18 is put into thermal simulation shell 15 again later, it is fixed using circlip 17.
Screw 25 is adjusted when installation first, makes to draw 5 end of long tube and connector 8 is detached from, avoids drawing long tube 5 and rotates during installation
Cause optical fiber to twist off, then by thermal simulation shell 15, optical fiber protection cover 6, draw long tube 5 be placed in thermometric blind pipe and by installation nut
10 external screw thread 12 is fixed with thermometric blind pipe, boss 13 and gasket 14 can rainwater-proof enter thermometric blind pipe, avoid freezed in winter
After be split up blind pipe, tighten screw 25 again later.
Claims (1)
1. a kind of transformer temperature controller based on optical fiber temperature-measurement has optical fiber temperature measurement host (1), the optical fiber temperature measurement host (1) is logical
It crosses temperature-measuring optical fiber (2) to connect with fiber optic temperature measuring probe (3), it is characterised in that: in optical fiber temperature measurement host (1) to fiber optic temperature measuring probe
(3) be successively cased with metal hose (4) on optical fiber (2), draw long tube (5) and optical fiber protection cover (6), the metal hose (4) with
Draw the connector for drawing long tube (5) end between long tube (5) by the fixing piece (7) that is fixed on metal hose (4) end and being fixed on
(8) threaded engagement；It is described draw be socketed on long tube (5) installation screw (9), with installation screw (9) external screw thread be connected to installation spiral shell
Female (10), installing has the first cushion rubber (11) between screw (9) and installation nut (10), and installation nut (10) lower end is used for
The external screw thread (12) that connects with transformer thermometric blind pipe, upper end have a circle boss (13), and the boss (13) is fixed with close below
Packing (14)；Optical fiber protection cover (6) lower end internal screw thread is connected with thermal simulation shell (15), thermal simulation shell (15) and optical fiber
Have between shield (6) the second cushion rubber (16), there is the inner core (18) fixed by circlip (17), heat in the thermal simulation shell (15)
Simulation shell (15) bottom has cover bottom (19), and there is the thermometer hole (20) of built-in fiber temperature probe (3) at inner core (18) center,
It is wound with heating coil (21) outside inner core (18), heating coil (21) is by being placed in metal hose (4), drawing long tube (5) and optical fiber
The conducting wire (22) of shield (6) connects with current transformer (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510353.4U CN209471819U (en) | 2019-04-16 | 2019-04-16 | Transformer temperature controller based on optical fiber temperature-measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510353.4U CN209471819U (en) | 2019-04-16 | 2019-04-16 | Transformer temperature controller based on optical fiber temperature-measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471819U true CN209471819U (en) | 2019-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920510353.4U Withdrawn - After Issue CN209471819U (en) | 2019-04-16 | 2019-04-16 | Transformer temperature controller based on optical fiber temperature-measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209471819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979738A (en) * | 2019-04-16 | 2019-07-05 | 大连世有电力科技有限公司 | Transformer temperature controller based on optical fiber temperature-measurement |
-
2019
- 2019-04-16 CN CN201920510353.4U patent/CN209471819U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979738A (en) * | 2019-04-16 | 2019-07-05 | 大连世有电力科技有限公司 | Transformer temperature controller based on optical fiber temperature-measurement |
| CN109979738B (en) * | 2019-04-16 | 2024-05-31 | 大连世有电力科技有限公司 | Transformer temperature controller based on optical fiber temperature measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191008 Effective date of abandoning: 20240531 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191008 Effective date of abandoning: 20240531 |