CN108735444A - Transformer overload protective device - Google Patents
Transformer overload protective device Download PDFInfo
- Publication number
- CN108735444A CN108735444A CN201810472636.4A CN201810472636A CN108735444A CN 108735444 A CN108735444 A CN 108735444A CN 201810472636 A CN201810472636 A CN 201810472636A CN 108735444 A CN108735444 A CN 108735444A
- Authority
- CN
- China
- Prior art keywords
- transformer
- internal box
- outer case
- transformer internal
- side wall
- 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.)
- Pending
Links
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
- H01F27/02—Casings
-
- 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
- H01F27/02—Casings
- H01F27/025—Constructional details relating to 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
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- 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
- H01F27/16—Water cooling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses transformer overload protective devices, transformation coil is equipped in transformer internal box, the edge of casing is equipped with rotating vane, vertical roller is equipped with by vertical rod piece in the annular groove in casing, the outer side wall surface of transformer internal box is equipped with the circulating water pipe wound in the shape of a spiral, the bottom of transformer internal box and the bottom of outer case are equipped with thermal vias, filter screen is equipped in the thermal vias of outer case bottom, insulating board is equipped in cavity between outer case and transformer internal box, columnar through holes are equipped in the left side wall of outer case and the left side wall of transformer internal box, it is equipped with heat dissipation straight slot positioned at the bottom of outer case.The present invention can cool down to inside transformer, to prevent the raising of the inside transformer temperature caused by overload, the service life of transformer be avoided to reduce；The present invention is used in combination using circulating water and radiator fan cooling two ways, greatly improves radiating efficiency.
Description
Technical field
The present invention relates to transformer overload protective device technical fields, specially transformer overload protective device.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary
Grade coil and iron core (magnetic core).Major function has:Voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformation
Device) etc..It can be divided into, according to use,:Power transformer and special transformer, but it there are still following during actual use
Drawback：In actual use, transformer can generate overload phenomenon, transformer overload, most direct table for various reasons
It is exactly now overcurrent, coil or transformer oil temperature is then caused to increase, according to《Transformer Selection directive/guide》In regulation,
The running temperature of oil-immersed transformer often increases 6 degree, and aging life-span turns over, and the corresponding temperature of dry-type transformer is 10 degree, because
This should prevent the raising of the inside transformer temperature caused by overload.
Invention content
The purpose of the present invention is to provide transformer overload protective devices, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：Transformer overload protective device, including outer case,
Transformer internal box and transformation coil, the transformer internal box is interior to be equipped with transformation coil, the inner wall of the transformer internal box
Equipped with radiator fan, the left side of the radiator fan is fixedly connected with one end of horizontal bars, the other end of the horizontal bars
It is fixedly connected with rod piece is tilted, multigroup horizontal bars and multigroup inclination rod piece connect into an entirety and be fixed on radiation air
Fan and transformer internal box inner left wall between, the inclinations rod piece is equipped with casing, and the edge of described sleeve pipe, which is equipped with, to be rotated
Blade is located in the annular groove in described sleeve pipe and is equipped with vertical roller, the lateral wall of transformer internal box by vertical rod piece
Surface is equipped with the circulating water pipe wound in the shape of a spiral, and the bottom of the transformer internal box and the bottom of outer case are equipped with scattered
Heat through-hole is located in the thermal vias of the outer case bottom and is equipped with filter screen, between the outer case and transformer internal box
Cavity in be equipped with insulating board, it is logical equipped with column in the left side wall of the outer case and the left side wall of transformer internal box
Hole, the bottom for being located at the outer case are equipped with heat dissipation straight slot.
Preferably, the rotating vane is equipped with multigroup, and multigroup rotating vane is in equidistant ring in the outer ledge of casing
Shape arranges.
Preferably, the vertical roller is equipped with multigroup, and multigroup vertical roller is arranged in annular groove in equidistant ring
Row, and the central axis of the vertical roller is parallel with the central axis of casing.
Preferably, the columnar through holes are in equidistant linear rows in the left side wall of outer case and the left side wall of transformer internal box
Row, and the inclined direction of the columnar through holes is towards the upper right corner.
Preferably, described sleeve pipe is equipped with multigroup, and multigroup casing is in equidistant linear array on multigroup inclination rod piece, and described
The central axis of casing is overlapped with the central axis for tilting rod piece.
Compared with prior art, the beneficial effects of the invention are as follows：Structure of the invention setting is reasonable, functional, have with
Lower advantage：
1. the present invention can cool down to inside transformer, to prevent the liter of the inside transformer temperature caused by overload
Height avoids the service life of transformer from reducing；
2. the present invention is used in combination using circulating water and radiator fan cooling two ways, heat dissipation effect is greatly improved
Rate；
3. the present invention is equipped with insulating board between transformer internal box and outer case, certain to be played to transformer
Insulation effect prevents hot weather external high temperature from generating too much influence to inside transformer temperature；
4. since the circulating water pipe that hot-air encounters low temperature can generate water droplet in the liquefaction of its surface, the setting of circulating water pipe is existed
Between transformer internal box and outer case, it can prevent the liquefied water of circulating water pipe outer wall from evaporating again, to avoid transformer
Inside generates humid air；
5. transformer internal box is internally provided with casing, vertical roller is equipped in casing, the edge of casing is equipped with rotating vane, rotation
Blade can rotate under the wind drive of radiator fan, to can reach " pectinid " heat dissipation effect, while being obliquely installed
Rotating vane can play the role of " helical feed ", and the hot-air in transformer internal box is transferred out from left side columnar through holes
It goes.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of casing.
In figure：Outer case 1, transformer internal box 2, transformation coil 3, insulating board 4, columnar through holes 5, circulating water
Pipe 6, tilts rod piece 8, casing 9, annular groove 91, rotating vane 10, radiator fan 11, thermal vias 12, mistake at horizontal bars 7
Strainer 13, heat dissipation straight slot 14, vertical roller 15.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：Transformer overload protective device, including outer case 1, change
Depressor internal box 2 and transformation coil 3, transformer internal box 2 is interior to be equipped with transformation coil 3, and the inner wall of transformer internal box 2, which is equipped with, to be dissipated
The left side of Hot-air fan 11, radiator fan 11 is fixedly connected with one end of horizontal bars 7, the other end and tilting bar of horizontal bars 7
Part 8 is fixedly connected, and multigroup horizontal bars 7 and multigroup inclination rod piece 8 connect integral and be fixed on radiator fan 11 and become
Between the inner left wall of depressor internal box 2, tilt rod piece 8 be equipped with casing 9, casing 9 be equipped with it is multigroup, multigroup casing 9 is multigroup
It is in equidistant linear array to tilt on rod piece 8, and the central axis of casing 9 is overlapped with the central axis for tilting rod piece 8, casing 9
Edge be equipped with rotating vane 10, rotating vane 10 be equipped with it is multigroup, multigroup rotating vane 10 casing 9 outer ledge be in equidistant ring
Shape arranges, and is located in the annular groove 91 in casing 9 and is equipped with vertical roller 15 by vertical rod piece, and vertical roller 15 is equipped with more
Group, multigroup vertical roller 15 arrange in annular groove 91 in equidistant ring, and the central axis of vertical roller 15 and casing 9
Central axis is parallel, and the outer side wall surface of transformer internal box 2 is equipped with the circulating water pipe 6 wound in the shape of a spiral, transformer
The bottom of internal box 2 and the bottom of outer case 1 are equipped with thermal vias 12, are set in the thermal vias 12 of 1 bottom of outer case
There is filter screen 13, insulating board 4, the left side of outer case 1 are equipped in the cavity between outer case 1 and transformer internal box 2
Columnar through holes 5 are equipped in the left side wall of wall and transformer internal box 2, columnar through holes 5 are in the left side wall and transformer of outer case 1
The left side wall of babinet 2 is in equidistant linear array, and the inclined direction of columnar through holes 5 can be prevented towards the upper right corner in rainwater weather
Extraneous rainwater enters the inside of transformer internal box 2 by columnar through holes 5, and the bottom for being located at outer case 1 is equipped with heat dissipation straight slot 14.
Operation principle：At work, the circulating water pipe 6 for being located at 2 outer wall of transformer internal box can be to transformer by the present invention
The inside of internal box 2 cools down, while the radiator fan 11 inside transformer internal box 2 can be to transformer internal box 2
Inside while cooled down driving rotating vane 10 rotated, to which rotating vane 10 can reach " pectinid " heat dissipation effect
While the rotating vane 10 that is obliquely installed can also play the role of " helical feed ", by the hot-air in transformer internal box 2
It being transferred out from left side columnar through holes 5 so that radiating efficiency greatly improves, while the bottom of outer case 1 is equipped with heat dissipation straight slot 14,
The straight slot 14 that radiates can prevent that the rainwater on ground is splashed into or sundries enters transformation while rate of heat dispation is accelerated in formation " passageway "
The inside of device internal box 2 is suitble to promote.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. transformer overload protective device, including outer case（1）, transformer internal box（2）With transformation coil（3）, feature exists
In：The transformer internal box（2）It is interior to be equipped with transformation coil（3）, the transformer internal box（2）Inner wall be equipped with radiator fan
（11）, the radiator fan（11）Left side and horizontal bars（7）One end be fixedly connected, the horizontal bars（7）It is another
End and inclination rod piece（8）It is fixedly connected, multigroup horizontal bars（7）With multigroup inclination rod piece（8）Connect it is integral and
It is fixed on radiator fan（11）With transformer internal box（2）Inner left wall between, the inclination rod piece（8）It is equipped with casing
（9）, described sleeve pipe（9）Edge be equipped with rotating vane（10）, it is located at described sleeve pipe（9）Interior annular groove（91）It is interior by perpendicular
Straight rod member is equipped with vertical roller（15）, transformer internal box（2）Outer side wall surface be equipped with the circulating water that winds in the shape of a spiral
Pipe（6）, the transformer internal box（2）Bottom and outer case（1）Bottom be equipped with thermal vias（12）, it is located at described outer
Babinet（1）The thermal vias of bottom（12）It is interior to be equipped with filter screen（13）, the outer case（1）With transformer internal box（2）Between
Cavity in be equipped with insulating board（4）, the outer case（1）Left side wall and transformer internal box（2）Left side wall in
Equipped with columnar through holes（5）, it is located at the outer case（1）Bottom be equipped with heat dissipation straight slot（14）.
2. transformer overload protective device according to claim 1, it is characterised in that：The rotating vane（10）Equipped with more
Group, multigroup rotating vane（10）In casing（9）Outer ledge in equidistant ring arrange.
3. transformer overload protective device according to claim 1, it is characterised in that：The vertical roller（15）Equipped with more
Group, multigroup vertical roller（15）In annular groove（91）It is interior to be arranged in equidistant ring, and the vertical roller（15）In
Mandrel line and casing（9）Central axis it is parallel.
4. transformer overload protective device according to claim 1, it is characterised in that：The columnar through holes（5）In outer container
Body（1）Left side wall and transformer internal box（2）Left side wall be in equidistant linear array, and columnar through holes（5）Inclination
Direction is towards the upper right corner.
5. transformer overload protective device according to claim 1, it is characterised in that：Described sleeve pipe（9）It is more equipped with multigroup
Group casing（9）In multigroup inclination rod piece（8）It is in equidistant linear array to go up, and described sleeve pipe（9）Central axis with tilt rod piece
（8）Central axis overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472636.4A CN108735444A (en) | 2018-05-17 | 2018-05-17 | Transformer overload protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472636.4A CN108735444A (en) | 2018-05-17 | 2018-05-17 | Transformer overload protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108735444A true CN108735444A (en) | 2018-11-02 |
Family
ID=63938471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810472636.4A Pending CN108735444A (en) | 2018-05-17 | 2018-05-17 | Transformer overload protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108735444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379587A (en) * | 2019-06-25 | 2019-10-25 | 盐城奇林电气有限公司 | A kind of coal mine transformer overload protection mechanism and overload protection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB462619A (en) * | 1934-12-19 | 1937-03-12 | Siemens Ag | Improvements in air cooling arrangements for electric current converters |
| CN201236823Y (en) * | 2007-08-23 | 2009-05-13 | 陆境然 | Fan blowing along circumferential surface |
| CN203311978U (en) * | 2013-06-19 | 2013-11-27 | 浙江申工变压器制造有限公司 | Transformer |
| CN104807305A (en) * | 2014-01-24 | 2015-07-29 | 周杨一帆 | Dual-heating drum type material dryer |
| CN104937262A (en) * | 2012-11-22 | 2015-09-23 | 韩国Ropax公司 | Tilt-type rotor blade apparatus for vertical type wind power generation |
| CN207040112U (en) * | 2017-06-26 | 2018-02-23 | 深圳市正方云科技有限公司 | A kind of cloud storage service device cooling system |
| CN208284316U (en) * | 2018-05-17 | 2018-12-25 | 国家电网公司 | Transformer overload protective device |
-
2018
- 2018-05-17 CN CN201810472636.4A patent/CN108735444A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB462619A (en) * | 1934-12-19 | 1937-03-12 | Siemens Ag | Improvements in air cooling arrangements for electric current converters |
| CN201236823Y (en) * | 2007-08-23 | 2009-05-13 | 陆境然 | Fan blowing along circumferential surface |
| CN104937262A (en) * | 2012-11-22 | 2015-09-23 | 韩国Ropax公司 | Tilt-type rotor blade apparatus for vertical type wind power generation |
| CN203311978U (en) * | 2013-06-19 | 2013-11-27 | 浙江申工变压器制造有限公司 | Transformer |
| CN104807305A (en) * | 2014-01-24 | 2015-07-29 | 周杨一帆 | Dual-heating drum type material dryer |
| CN207040112U (en) * | 2017-06-26 | 2018-02-23 | 深圳市正方云科技有限公司 | A kind of cloud storage service device cooling system |
| CN208284316U (en) * | 2018-05-17 | 2018-12-25 | 国家电网公司 | Transformer overload protective device |
Non-Patent Citations (1)
| Title |
|---|
| 曾声奎等: "《***可靠性设计分析教程》", 北京航空航天大学出版社, pages: 183 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379587A (en) * | 2019-06-25 | 2019-10-25 | 盐城奇林电气有限公司 | A kind of coal mine transformer overload protection mechanism and overload protection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104051137B (en) | A kind of can the transformator of fast cooling | |
| CN109786075A (en) | A kind of large capacity oil-immersed transformer | |
| WO2023201642A1 (en) | Novel dry-type transformer | |
| CN204375533U (en) | A kind of strong heat-dissipating voltage transformer | |
| CN108735444A (en) | Transformer overload protective device | |
| CN208284316U (en) | Transformer overload protective device | |
| CN204242761U (en) | Water circulation self cool triangle volume iron transformer | |
| CN207489632U (en) | A kind of transformer convenient for heat dissipation | |
| CN210245263U (en) | Heat radiator for multi-functional transformer | |
| CN203232777U (en) | Dry-type transformer | |
| CN201060719Y (en) | Heat radiating structure for phase-shift commutation dry type transformer | |
| CN215417802U (en) | Liquid insulation transformer heat radiation structure | |
| CN202487332U (en) | Air-cooling radiator system of three-dimensional wound core transformer | |
| CN209625995U (en) | A kind of large capacity oil-immersed transformer | |
| CN205354810U (en) | Forced air cooling dry -type transformer's heat sink | |
| CN208298660U (en) | A kind of dry type transformer structure of high efficiency and heat radiation | |
| CN209912689U (en) | Magnetic core of inductor | |
| CN208767123U (en) | A kind of heat dissipating device of transformer with high heat dissipation performance | |
| CN208061777U (en) | A kind of underground type Intelligent box type transformer | |
| CN208335945U (en) | A kind of smoothing reactor that radiating efficiency is high | |
| CN207517466U (en) | A kind of safe and good heat dissipation effect transformer | |
| CN217983004U (en) | Multifunctional intelligent regulating transformer | |
| CN220821257U (en) | Transformer cooling device | |
| CN206341131U (en) | A kind of high frequency switch power cabinet | |
| CN210925683U (en) | Dry-type transformer easy to dissipate heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |