CN107170562A - A kind of improved transformer iron-core structure - Google Patents
A kind of improved transformer iron-core structure Download PDFInfo
- Publication number
- CN107170562A CN107170562A CN201710649208.XA CN201710649208A CN107170562A CN 107170562 A CN107170562 A CN 107170562A CN 201710649208 A CN201710649208 A CN 201710649208A CN 107170562 A CN107170562 A CN 107170562A
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- CN
- China
- Prior art keywords
- hole
- cavity
- arm
- tie
- folder
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- 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.)
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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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- 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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of improved transformer iron-core structure, arm-tie and folder including iron core and on the outside of iron core, arm-tie reinforcing plate and folder reinforcing plate are provided between arm-tie and folder, arm-tie, folder, arm-tie reinforcing plate are connected with folder reinforcing plate by bearing pin, first through hole is provided with the bearing pin, iron core, which is provided with the second through hole being connected with first through hole, arm-tie, is provided with the first cavity, and the first cavity is connected with first through hole；First through hole and the junction annular arrangement of the first cavity have several wind deflectors, and the angle between wind deflector and first through hole axis is 30 °, and the first cavity is provided with the first radiating fin close to the side of iron core.The present invention can improve the deficiencies in the prior art, simplify the internal cooling structure of transformer.
Description
Technical field
The present invention relates to transformer technology field, especially a kind of improved transformer iron-core structure.
Background technology
In big-and-middle-sized dry-type transformer, iron core is clamped general all using pulling plate structure.Although this structure can be carried
The high fixed effect for silicon steel sheet, but due to the cooling without fluid in dry-type transformer, iron core needs to design special
Cooling device cool down, cause inside transformer structure excessively complicated, be not easy to the design and installation of transformer.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of improved transformer iron-core structure, it can solve the problem that prior art not
Foot, simplifies the internal cooling structure of transformer.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of improved transformer iron-core structure, including iron core and arm-tie and folder on the outside of iron core, arm-tie and folder
Arm-tie reinforcing plate and folder reinforcing plate are provided between part, arm-tie, folder, arm-tie reinforcing plate and folder reinforcing plate pass through bearing pin phase
First through hole is provided with connection, the bearing pin, iron core is provided with the second through hole being connected with first through hole, arm-tie and set
There is the first cavity, the first cavity is connected with first through hole；First through hole and the junction annular arrangement of the first cavity have some
Individual wind deflector, the angle between wind deflector and first through hole axis is 30 °, and the first cavity is provided with first close to the side of iron core
Radiating fin.
Also set up preferably, being provided with the wind deflector on the second through hole parallel with first through hole, wind deflector
There is a third through-hole, third through-hole is located between the second through hole and first through hole inwall, third through-hole is arc, third through-hole enters
Air port is parallel with third through-hole, and the air outlet of third through-hole is set towards the second through hole side, the air outlet of third through-hole with
The axis angle of second through hole is 45 °.
Preferably, the windward side of the wind deflector is provided with the first spiral stream guidance groove, the first spiral stream guidance groove and second
The intersection of through hole and third through-hole is respectively arranged with oblique groove.
Preferably, the both sides of first radiating fin are respectively arranged with the second spiral stream guidance groove, the second spiral stream guidance
Groove is parallel to each other with the first spiral stream guidance groove, and the second spiral stream guidance groove is provided centrally with fourth hole.
Annular arrangement is provided with preferably, being provided with the outside of first cavity in fifth hole, fifth hole
Second radiating fin, the second radiating fin is cone, and fifth hole is provided centrally with breather pipe, the second radiating fin and ventilation
Thermal conductive metal pipe is connected between pipe.
Preferably, being provided with the second cavity in the arm-tie reinforcing plate, the second cavity outside arm-tie reinforcing plate with being connected
It is logical, it is provided with dividing plate in the second cavity, the bottom of dividing plate and the second cavity is provided with gap, and the side of dividing plate is provided with blower fan.
Preferably, the bottom of second cavity sets fluted, the spacing between bottom portion of groove and bearing pin is 3mm.
The beneficial effect brought using above-mentioned technical proposal is：The present invention is by by the aeration-cooling device collection of iron core
Into entering in pulling plate structure, the ventilating and cooling mechanism of dry-type transformer is simplified, more spaces have been reserved to inside transformer.Gas
Flow the second through hole entered in iron core from first through hole to be radiated, at the same time fraction enters in the presence of wind deflector
First cavity, is cooled down in the first cavity to the heat that the first radiating fin absorbs from core side.Two on wind deflector
Through hole can reduce the turbulent flow at wind deflector.By the first spiral stream guidance groove air-flow enter the first cavity after, can be direct
Into the second spiral stream guidance groove on the first radiating fin, the contact area of air-flow and the first radiating fin is improved.Oblique groove is used
Turbulent flow between the first spiral stream guidance groove of reduction and the second through hole and third through-hole.The fifth hole of first cavity can be improved
The heat exchange efficiency of first cavity, the second radiating fin can effectively reduce what is brought at fifth hole by high heat air-flow
" accumulated heat " problem.The second cavity in arm-tie reinforcing plate can outwards be transmitted to the heat in the first cavity, so as to improve first
The radiating effect of cavity.
Brief description of the drawings
Fig. 1 is the structure chart of an embodiment of the invention.
Fig. 2 is the structure chart of wind deflector in an embodiment of the invention.
Fig. 3 is the first spiral stream guidance groove and the structure chart of the second through hole intersection in an embodiment of the invention.
Fig. 4 is the structure chart of the first radiating fin in an embodiment of the invention.
Fig. 5 is the structure chart of fifth hole in an embodiment of the invention.
In figure：1st, iron core；2nd, arm-tie；3rd, folder；4th, arm-tie reinforcing plate；5th, folder reinforcing plate；6th, bearing pin；7th, first leads to
Hole；8th, the second through hole；9th, the first cavity；10th, rotary shaft；11st, wind deflector；12nd, the first radiating fin；13rd, the second through hole；14、
Third through-hole；15th, the first spiral stream guidance groove；16th, oblique groove；17th, the second spiral stream guidance groove；18th, fourth hole；19th, the 5th leads to
Hole；20th, the second radiating fin；21st, breather pipe；22nd, thermal conductive metal pipe；23rd, the second cavity, 24, dividing plate, 25, gap；26th, wind
Machine；27th, groove；28th, torsion spring.
Embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and accompanying drawing
Record can carry out customized, and the specific connected mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional meanses such as connect, paste, will not be described in detail herein.
Reference picture 1-5, one embodiment of the present invention includes iron core 1 and the arm-tie 2 and folder positioned at the outside of iron core 1
3, arm-tie reinforcing plate 4 and folder reinforcing plate 5, arm-tie 2, folder 3, arm-tie reinforcing plate 4 and folder are provided between arm-tie 2 and folder 3
Part reinforcing plate 5 is connected by bearing pin 6, and first through hole 7 is provided with the bearing pin 6, and iron core 1 is provided with and the phase of first through hole 7
The first cavity 9 is provided with second through hole 8 of connection, arm-tie 2, the first cavity 9 is connected with first through hole 7；First through hole 7 with
The junction annular arrangement of first cavity 9 has several wind deflectors 11, and the angle between wind deflector 11 and the axis of first through hole 7 is
30 °, the first cavity 9 is provided with the first radiating fin 12 close to the side of iron core 1.It is provided with wind deflector 11 and first through hole 7
It is additionally provided with third through-hole 14 on the second parallel through hole 13, wind deflector 11, third through-hole 14 is located at the second through hole 13 and the
Between the inwall of one through hole 7, third through-hole 14 is arc, and the air inlet of third through-hole 14 is parallel with third through-hole 14, threeway
The air outlet in hole 14 is set towards the side of the second through hole 13, and the axis angle of the air outlet of third through-hole 14 and the second through hole 13 is
45°.The windward side of wind deflector 11 is provided with the first spiral stream guidance groove 15, the first spiral stream guidance groove 15 and the second through hole 13 and the 3rd
The intersection of through hole 14 is respectively arranged with oblique groove 16.The both sides of first radiating fin 12 are respectively arranged with the second spiral stream guidance groove
17, the second spiral stream guidance groove 17 is parallel to each other with the first spiral stream guidance groove 15, and the second spiral stream guidance groove 17 is provided centrally with
Four through holes 18.The outside of first cavity 9 is provided with the second radiating that annular arrangement is provided with fifth hole 19, fifth hole 19
Fin 20, the second radiating fin 20 is cone, and fifth hole 19 is provided centrally with breather pipe 21, and the second radiating fin 20 is with leading to
Thermal conductive metal pipe 22 is connected between tracheae 21.The second cavity 23 is provided with arm-tie reinforcing plate 4, the second cavity 23 adds with arm-tie
It is connected outside strong plate 4, dividing plate 24 is provided with the second cavity 23, the bottom of the cavity 23 of dividing plate 24 and second is provided with gap
25, the side of dividing plate 24 is provided with blower fan 26.The bottom of second cavity 23 sets fluted 27, the bottom of groove 27 and bearing pin 6 it
Between spacing be 3mm.
In addition, the first radiating fin 12 is connected on the first cavity 9 by rotary shaft 10, the outside of rotary shaft 10 is provided with
Torsion spring 28.First radiating fin 12 is movably arranged on the first cavity 9 by rotary shaft 10, can improve air-flow and the first radiating
The angle that fin 12 is contacted, improves heat exchanger effectiveness.
In the description of the invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of improved transformer iron-core structure, including iron core（1）With positioned at iron core（1）The arm-tie in outside（2）And folder
（3）, arm-tie（2）And folder（3）Between be provided with arm-tie reinforcing plate（4）With folder reinforcing plate（5）, arm-tie（2）, folder（3）, draw
Plate reinforcing plate（4）With folder reinforcing plate（5）Pass through bearing pin（6）It is connected, it is characterised in that：The bearing pin（6）Inside it is provided with
One through hole（7）, iron core（1）It is provided with and first through hole（7）The second through hole being connected（8）, arm-tie（2）Inside it is provided with first empty
Chamber（9）, the first cavity（9）With first through hole（7）It is connected；First through hole（7）With the first cavity（9）Junction annular arrangement
There are several wind deflectors（11）, wind deflector（11）With first through hole（7）Angle between axis is 30 °, the first cavity（9）It is close
Iron core（1）Side be provided with the first radiating fin（12）.
2. improved transformer iron-core structure according to claim 1, it is characterised in that：The wind deflector（11）It is upper to set
Have and first through hole（7）The second parallel through hole（13）, wind deflector（11）On be additionally provided with third through-hole（14）, third through-hole
（14）Positioned at the second through hole（13）And first through hole（7）Between inwall, third through-hole（14）For arc, third through-hole（14）Enter
Air port and third through-hole（14）It is parallel, third through-hole（14）Air outlet towards the second through hole（13）Side is set, threeway
Hole（14）Air outlet and the second through hole（13）Axis angle be 45 °.
3. improved transformer iron-core structure according to claim 2, it is characterised in that：The wind deflector（11）Windward
Face is provided with the first spiral stream guidance groove（15）, the first spiral stream guidance groove（15）With the second through hole（13）And third through-hole（14）Phase
Oblique groove is respectively arranged with friendship（16）.
4. improved transformer iron-core structure according to claim 3, it is characterised in that：First radiating fin（12）
Both sides be respectively arranged with the second spiral stream guidance groove（17）, the second spiral stream guidance groove（17）With the first spiral stream guidance groove（15）Mutually
It is parallel, the second spiral stream guidance groove（17）Be provided centrally with fourth hole（18）.
5. improved transformer iron-core structure according to claim 4, it is characterised in that：First cavity（9）It is outer
Side is provided with fifth hole（19）, fifth hole（19）Inside it is provided with the second radiating fin of annular arrangement（20）, the second radiating
Fin（20）For cone, fifth hole（19）It is provided centrally with breather pipe（21）, the second radiating fin（20）With breather pipe
（21）Between be connected with thermal conductive metal pipe（22）.
6. improved transformer iron-core structure according to claim 5, it is characterised in that：The arm-tie reinforcing plate（4）It is interior
It is provided with the second cavity（23）, the second cavity（23）With arm-tie reinforcing plate（4）Outside is connected, the second cavity（23）Inside it is provided with
Dividing plate（24）, dividing plate（24）With the second cavity（23）Bottom be provided with gap（25）, dividing plate（24）Side be provided with blower fan
（26）.
7. improved transformer iron-core structure according to claim 6, it is characterised in that：Second cavity（23）Bottom
Portion sets fluted（27）, groove（27）Bottom and bearing pin（6）Between spacing be 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649208.XA CN107170562B (en) | 2017-08-02 | 2017-08-02 | A kind of improved transformer iron-core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649208.XA CN107170562B (en) | 2017-08-02 | 2017-08-02 | A kind of improved transformer iron-core structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107170562A true CN107170562A (en) | 2017-09-15 |
| CN107170562B CN107170562B (en) | 2018-10-19 |
Family
ID=59818235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710649208.XA Active CN107170562B (en) | 2017-08-02 | 2017-08-02 | A kind of improved transformer iron-core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107170562B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1461907A (en) * | 1973-04-18 | 1977-01-19 | Post Office | Electromagnetic rotor and stator assemblies |
| JPH113826A (en) * | 1997-06-11 | 1999-01-06 | Meidensha Corp | Low-noise transformer |
| CN2668432Y (en) * | 2003-07-28 | 2005-01-05 | 刘富林 | Vehicular semiconductor air conditioner |
| CN101430962A (en) * | 2008-08-27 | 2009-05-13 | 常州特种变压器有限公司 | Pulling plate structure of explosion-proof dry-type transformer iron core |
| CN201966033U (en) * | 2011-04-12 | 2011-09-07 | 中电电气(江苏)股份有限公司 | Pin bolt-free transformer iron core drawplate |
| CN204087976U (en) * | 2014-09-28 | 2015-01-07 | 四川盛鑫源电器设备制造有限公司 | Pulling plate of dry-type transformer structure |
| CN204183014U (en) * | 2014-09-24 | 2015-03-04 | 常州建华昌盛工具有限公司 | A kind of milling cutter |
-
2017
- 2017-08-02 CN CN201710649208.XA patent/CN107170562B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1461907A (en) * | 1973-04-18 | 1977-01-19 | Post Office | Electromagnetic rotor and stator assemblies |
| JPH113826A (en) * | 1997-06-11 | 1999-01-06 | Meidensha Corp | Low-noise transformer |
| CN2668432Y (en) * | 2003-07-28 | 2005-01-05 | 刘富林 | Vehicular semiconductor air conditioner |
| CN101430962A (en) * | 2008-08-27 | 2009-05-13 | 常州特种变压器有限公司 | Pulling plate structure of explosion-proof dry-type transformer iron core |
| CN201966033U (en) * | 2011-04-12 | 2011-09-07 | 中电电气(江苏)股份有限公司 | Pin bolt-free transformer iron core drawplate |
| CN204183014U (en) * | 2014-09-24 | 2015-03-04 | 常州建华昌盛工具有限公司 | A kind of milling cutter |
| CN204087976U (en) * | 2014-09-28 | 2015-01-07 | 四川盛鑫源电器设备制造有限公司 | Pulling plate of dry-type transformer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107170562B (en) | 2018-10-19 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180906 Address after: 221400 the southern side of Xin Dai Road and the west side of Shanghai road in Xinyi Economic Development Zone, Xuzhou, Jiangsu, China. Applicant after: Jiangsu comlola Special Ceramics Co., Ltd. Address before: 125113 Panshan 158, Pan Shan village, Xingtai City, Huludao, Liaoning Applicant before: Zhang Haijiang |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: 221400 outer ring road, Gangtou Town, Xinyi City, Xuzhou City, Jiangsu Province Patentee after: Xinyi Xiangrong Electronic Co.,Ltd. Address before: 221400 the southern side of Xin Dai Road and the west side of Shanghai road in Xinyi Economic Development Zone, Xuzhou, Jiangsu, China. Patentee before: Jiangsu health nurse roller special cermacis Co.,Ltd. |
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| TR01 | Transfer of patent right |