CN106952711A - A kind of detachable plug ground screening test transformer of iron core - Google Patents
A kind of detachable plug ground screening test transformer of iron core Download PDFInfo
- Publication number
- CN106952711A CN106952711A CN201710208453.7A CN201710208453A CN106952711A CN 106952711 A CN106952711 A CN 106952711A CN 201710208453 A CN201710208453 A CN 201710208453A CN 106952711 A CN106952711 A CN 106952711A
- Authority
- CN
- China
- Prior art keywords
- core
- iron core
- upper core
- screening test
- iron
- 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.)
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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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/341—Preventing or reducing no-load losses or reactive currents
-
- 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
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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
- H01F27/263—Fastening parts of the core together
Abstract
A kind of detachable plug ground screening test transformer of iron core, is related to field transformer.Transformer core plug is time-consuming, trouble, and dismounting plug easy damaged iron core；The present invention includes iron core, excitation coil, response coil, insulation support plate, support, upending frame, described excitation coil and line of response snare are on the outside of iron core, described iron core for stack of laminations two column iron cores, described iron core is made up of upper core and lower core, described lower core is the U-shaped for including 2 iron core columns, described upper core is yi word pattern, and upper core is connected at the top of lower core pluggablely.The technical program can integrally be plugged to upper core, simple and convenient quick, and plug that influence is small, and electric stability is high, and iron core quality of connection is still reliable and stable.
Description
Technical field
The present invention relates to field transformer, especially a kind of detachable plug ground screening test transformer of iron core.
Background technology
During the manufacturing of transformer, the experiment of transformer is unusual strict means of checking on together, large-scale
In the testing inspection of transformer, sometimes there arises a problem that, many shelf depreciations of a circle or transformer of the coil of transformer
Level is not up to standard, it is necessary to problematic coil is taken off and handled or depth analysis, removes coil and means that and pulls down
Upper yoke, upper yoke is silicon steel sheet one by one, and pulling down upper yoke needs substantial amounts of manpower and man-hour, is transformer most work consuming
When an one of procedure, this very complicated work, the progress sometimes having to repeatedly could repeatedly solve the problems, such as, often
Therefore the production cycle is influenceed, and transformer core also directly results in open circuit loss after repeatedly dismounting plug and become greatly, shadow
Ring product quality.
The content of the invention
The technical problem to be solved in the present invention and propose technical assignment be prior art to be improved with being improved,
There is provided a kind of iron core detachable plug ground screening test transformer, it is convenient with the plug for lifting screening test transformer core
Property and plug after for the purpose of quality.Therefore, the present invention takes following technical scheme.
A kind of detachable plug ground screening test transformer of iron core, including iron core, excitation coil, response coil, insulation
Support plate, support, upending frame, described excitation coil and line of response snare are on the outside of iron core, and described iron core is stack of laminations
Two column iron cores, described iron core is made up of upper core and lower core, and described lower core is the U for including 2 iron core columns
Font, described upper core is yi word pattern, and upper core is connected at the top of lower core pluggablely.It can integrally be inserted by making upper core
That pulls out is connected on lower core, is integrally plugged by upper core, instead of traditional artificial plug piecewise to upper yoke, simple side
Just it is quick, and plug small on iron core influence, it is ensured that good product quality, electric stability is high.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical feature.
The both ends of described yi word pattern upper core are socket connection with the both ends of U-shaped lower core.Plug-in type connects
Connect, fast and easy, connection positioning is convenient, Stability Analysis of Structures.
The two ends of upper core lamination are being held to interval indent and evagination, and are vertically run through, and form spaced upper iron
Core inserting groove, the both ends of lower core lamination are vertically spaced indent and evagination, and extend transversely through, and form spaced lower iron
Core inserting groove, upper core inserting groove and lower core inserting groove alternate, and makes two ends and the lower core lamination of upper core lamination
Two ends, which are alternateed, to be plugged in the inserting groove of other side.Alternative expression grafting, connected structure is more stable.
Each concave portion of described upper core lamination, which is equipped with through hole, through hole, is provided with screw rod, each two phase
Screw rod between adjacent concave portion is provided with the dielectric separation cushion block for being used for separating and fix upper core lamination concave portion.Pass through
Screw rod connects the concave portion of each upper core lamination, and is separated between adjacent laminates by dielectric separation cushion block, makes iron
The concave portion of core lamination is firmly supported.
Upper core backplate of the both sides of described upper core respectively equipped with one piece of in-line, the both sides of described lower core are respectively matched somebody with somebody
There is the lower core backplate of one piece of U-shaped.With the backplate of iron core similar shape, protecting effect is good.
Described upper core and lower core are furnished with guide frame and location structure during grafting.By being oriented to and positioning knot
Structure, can quickly and accurately make upper core and lower core grafting.
Described guide frame includes the vertical installation guide plate that the concave portion of lower core lamination is connected, and installs guide plate
Top is pinnacle.Guide plate is installed by pinnacle, plug-in position need not be accurately directed at very much in grafting, passes through the oblique of pinnacle
Degree, the automatic accurate carry out grafting guiding of meeting.
Described location structure is inserted in positioning hole including being used for set by the positioning hole and lower core set by upper core
Pilot pin.Pilot pin and positioning hole it is simple in construction, positioning is convenient, is installing under guide plate is oriented to, can further realize accurate
Positioning.
Positioning hole is vertically located at the bottom of every piece of upper core backplate, and pilot pin is vertically located at the two of every piece of lower core backplate
End.Pilot pin and positioning hole are closer to the distance, and pilot pin is relatively short, low cost, and in upper core grafting, it is not easy to occur
Collision phenomenon.
It is furnished with the hoisting ring for being used for lifting by crane upper core on the both sides upper core backplate of the upper core.It is easy to upper core to lift by crane
Separation and grafting.
Beneficial effect：The artificial plug piecewise to upper yoke is replaced with the mode of lifting upper core, so that iron core is plugged
It is rapid and simple, eliminate the complicated processes of traditional plug iron core, it is to avoid become caused by the plug repeatedly of finished product iron core
The increase of depressor open circuit loss and no-load current, so as to ensure the inherent quality of transformer finished products, while also saving a large amount of manpowers
And man-hour, and iron core can be with Reusability, repeatedly after plug, iron core quality of connection is still reliable and stable.
Brief description of the drawings
Fig. 1 is positive structure diagram of the present invention.
Fig. 2 is side structure schematic view of the present invention.
Fig. 3 is upper core cross section structure diagram of the present invention.
Fig. 4 is lower core lamination side structure schematic view of the present invention.
Fig. 5 is the present invention with the lower core side structure schematic view for installing guide plate.
In figure：1- upper cores；2- lower cores；3- excitation coils；4- responds coil；5- insulation support plates；6- upending frames；7- branch
Frame；8- hoisting rings；9- installs guide plate；10- upper core backplates；11- pilot pins；12- dielectric separation cushion blocks；13- lower core backplates；
101- upper core laminations；102- upper core inserting grooves；201- lower core laminations；202- lower core inserting grooves；1001- positioning holes.
Embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
As Figure 1-5, a kind of iron core it is detachable plug ground screening test transformer, including iron core, excitation coil 3,
Coil 4, insulation support plate 5, support 7, upending frame 6 are responded, excitation coil 3 and response coil 4 are sleeved on the outside of iron core, and iron core is folded
Two column iron cores that piece is stacked, iron core is made up of upper core 1 and lower core 2, and lower core 2 is the U-shaped for including 2 iron core columns
Type, upper core 1 is yi word pattern, and upper core 1 is connected to the top of lower core 2 pluggablely.
For stable quickly connection, the both ends of yi word pattern upper core 1 are grafting with the both ends of U-shaped lower core 2
Formula is connected.Socket connection, fast and easy, connection positioning is convenient, Stability Analysis of Structures.
In order that connected structure is more reliable and more stable, the two ends of upper core lamination 101 are being held to interval indent and evagination, and
And vertically run through, form spaced upper core inserting groove 102, the both ends of lower core lamination 201 be vertically spaced indent and
Evagination, and extend transversely through, form spaced lower core inserting groove 202, upper core inserting groove 102 and lower core inserting groove
202 alternate, and alternate the two ends of upper core lamination 101 and the two ends of lower core lamination 201 and are plugged on inserting for other side
In access slot.Alternative expression grafting, connected structure is more stable.
In order to firmly be supported, each concave portion of upper core lamination 101, which is equipped with through hole, through hole, to be set
Having the screw rod between screw rod, the adjacent concave portion of each two to be provided with is used to separate and fix the concave portion of upper core lamination 101
Dielectric separation cushion block 12.The concave portion of each upper core lamination 101 is connected by screw rod, and is passed through between adjacent laminates
Dielectric separation cushion block 12 is separated, and the concave portion of upper core lamination 101 is firmly supported.
In order to protect iron core, the both sides of upper core 1 are respectively furnished with the upper core backplate 10 of one piece of in-line, the two of lower core 2
Lower core backplate 13 of the side respectively equipped with one piece of U-shaped.With the backplate of iron core similar shape, protecting effect is good.
In order to realize that grafting is oriented to and positioned, guide frame and positioning when upper core 1 and lower core 2 are furnished with grafting are tied
Structure.By guiding and location structure, it can quickly and accurately make upper core 1 and the grafting of lower core 2.
Grafting guiding and Primary Location are accurately carried out for convenience, and guide frame includes the evagination of lower core lamination 201
The vertical installation guide plate 9 that part is connected, the top for installing guide plate 9 is pinnacle.Guide plate 9 is installed by pinnacle, in grafting not
Need accurately to be directed at very much plug-in position, pass through the gradient on pinnacle, carry out grafting guiding and Primary Location that can be automatic accurate.
It is accurately positioned to realize, location structure includes the positioning hole 1001 set by upper core 1 and the use set by lower core 2
Pilot pin 11 in insertion positioning hole 1001.Simple in construction, the positioning convenience of pilot pin 11 and positioning hole 1001, leads in installation
Under plate 9 is oriented to, it can further realize and be accurately positioned.
In order to be not easy to collide in positioning, positioning hole 1001 is vertically located at the bottom of every piece of upper core backplate 10,
Pilot pin 11 is vertically located at the two ends of every piece of lower core backplate 13.Pilot pin 11 and positioning hole 1001 are closer to the distance, pilot pin 11
It is relatively short, low cost, and in 1 grafting of upper core, it is not easy to there is collision phenomenon.
Moved up and down during for the ease of 1 grafting of upper core, being furnished with the both sides upper core backplate 10 of the upper core 1 is used for
Lift by crane the hoisting ring 8 of upper core 1.It is easy to the lifting of upper core 1 separation and grafting.
When upper core is installed, upper core 1 is moved to by hoisting ring 8 by the top of lower core 2, and make the two ends of upper core 1
Upper core inserting groove 102 is directed at the installation guide plate 9 at the two ends of lower core 2 by one-to-one mode, slowly lower section, until insertion peace
Guide plate 9 is filled, continuation is down transferred, while noting in the insertion positioning hole 1001 of pilot pin 11, until transferring to bottom, fold upper core
Piece 101 intersects in the inserting groove that grafting enters other side with lower core lamination 201；It is upward by hoisting ring 8 when being plugged to upper core 1
The overall plug of upper core 1 is realized in lifting, instead of traditional artificial plug piecewise to upper yoke, simple and convenient quick, and
Plug quality good, electric stability is high.
A kind of detachable plug ground screening test of iron core shown in figure 1 above -5 is the specific implementation of the present invention with transformer
Example, has embodied substantive distinguishing features of the present invention and progress, can be right under the enlightenment of the present invention according to actual use needs
It carries out shape, the equivalent modifications in terms of structure, this programme protection domain row.
Claims (10)
1. a kind of detachable plug ground screening test transformer of iron core, including iron core, excitation coil（3）, response coil（4）、
Insulate support plate（5）, support（7）, upending frame（6）, described excitation coil（3）With response coil（4）It is sleeved on the outside of iron core, institute
The iron core stated for stack of laminations two column iron cores, it is characterised in that：Described iron core is by upper core（1）And lower core（2）
Composition, described lower core（2）To include the U-shaped of 2 iron core columns, described upper core（1）For yi word pattern, upper core（1）
Lower core is connected to pluggablely（2）Top.
2. the detachable plug ground screening test transformer of a kind of iron core according to claim 1, it is characterised in that：It is described
Yi word pattern upper core（1）Both ends and U-shaped lower core（2）Both ends be socket connection.
3. the detachable plug ground screening test transformer of a kind of iron core according to claim 2, it is characterised in that：Upper iron
Core lamination（101）Two ends at end to interval indent and evagination, and vertically run through, form spaced upper core inserting groove
（102）, lower core lamination（201）Both ends be vertically spaced indent and evagination, and extend transversely through, formed it is spaced under
Iron core inserting groove（202）, upper core inserting groove（102）With lower core inserting groove（202）Alternate, make upper core lamination
（101）Two ends and lower core lamination（201）Two ends alternate and be plugged in the inserting groove of other side.
4. the detachable plug ground screening test transformer of a kind of iron core according to claim 3, it is characterised in that：It is described
Upper core lamination（101）Each concave portion be equipped with through hole, through hole be provided with screw rod, the adjacent male part of each two
/ screw rod be provided be used for separate and fix upper core lamination（101）The dielectric separation cushion block of concave portion（12）.
5. the detachable plug ground screening test transformer of a kind of iron core according to claim 2, it is characterised in that：It is described
Upper core（1）The each upper core backplate equipped with one piece of in-line in both sides（10）, described lower core（2）Both sides be respectively furnished with
The lower core backplate of one piece of U-shaped（13）.
6. the detachable plug ground screening test transformer of a kind of iron core according to claim 2, it is characterised in that：It is described
Upper core（1）And lower core（2）Guide frame and location structure during equipped with grafting.
7. the detachable plug ground screening test transformer of a kind of iron core according to claim 6, it is characterised in that：It is described
Guide frame include lower core lamination（201）The vertical installation guide plate that is connected of concave portion（9）, guide plate is installed（9）'s
Top is pinnacle.
8. the detachable plug ground screening test transformer of a kind of iron core according to claim 6, it is characterised in that：It is described
Location structure include upper core（1）Set positioning hole（1001）And lower core（2）It is set to be used to insert positioning hole
（1001）In pilot pin（11）.
9. the detachable plug ground screening test transformer of a kind of iron core according to claim 8, it is characterised in that：Positioning
Hole（1001）Vertically located at every piece of upper core backplate（10）Bottom, pilot pin（11）Vertically located at every piece of lower core backplate（13）
Two ends.
10. the detachable plug ground screening test transformer of a kind of iron core according to claim 1, it is characterised in that：Institute
State upper core（1）Both sides upper core backplate（10）It is upper to be furnished with for lifting by crane upper core（1）Hoisting ring（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208453.7A CN106952711A (en) | 2017-03-31 | 2017-03-31 | A kind of detachable plug ground screening test transformer of iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208453.7A CN106952711A (en) | 2017-03-31 | 2017-03-31 | A kind of detachable plug ground screening test transformer of iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106952711A true CN106952711A (en) | 2017-07-14 |
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ID=59475505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710208453.7A Pending CN106952711A (en) | 2017-03-31 | 2017-03-31 | A kind of detachable plug ground screening test transformer of iron core |
Country Status (1)
| Country | Link |
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| CN (1) | CN106952711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910168A (en) * | 2017-12-01 | 2018-04-13 | 广东电网有限责任公司电力科学研究院 | A kind of test core |
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| CN103680851A (en) * | 2012-09-07 | 2014-03-26 | 苏州安泰变压器有限公司 | Novel single-phase wound core distribution transformer and assembling method thereof |
| CN103680886A (en) * | 2012-09-07 | 2014-03-26 | 苏州安泰变压器有限公司 | Novel three-phase wound core distribution transformer and assembly method thereof |
| CN205228622U (en) * | 2015-12-29 | 2016-05-11 | 保定天威保变电气股份有限公司 | Transformer core vibration noise measurement device |
| CN105742031A (en) * | 2014-12-10 | 2016-07-06 | 辽宁易德实业集团有限公司 | Laminated core of three-dimensional transformer and technique for laminated core |
| CN205810537U (en) * | 2016-05-17 | 2016-12-14 | 大宏机电(昆山)有限公司 | A kind of dual openings iron core |
| CN206574580U (en) * | 2017-03-31 | 2017-10-20 | 卧龙电气集团股份有限公司 | A kind of detachable plug ground screening test transformer of iron core |
-
2017
- 2017-03-31 CN CN201710208453.7A patent/CN106952711A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005203445A (en) * | 2004-01-13 | 2005-07-28 | Canon Inc | Transformer |
| WO2012138199A2 (en) * | 2011-04-08 | 2012-10-11 | 주식회사 아모그린텍 | Amorphous metal core, induction apparatus using same, and method for manufacturing same |
| CN103680851A (en) * | 2012-09-07 | 2014-03-26 | 苏州安泰变压器有限公司 | Novel single-phase wound core distribution transformer and assembling method thereof |
| CN103680886A (en) * | 2012-09-07 | 2014-03-26 | 苏州安泰变压器有限公司 | Novel three-phase wound core distribution transformer and assembly method thereof |
| CN105742031A (en) * | 2014-12-10 | 2016-07-06 | 辽宁易德实业集团有限公司 | Laminated core of three-dimensional transformer and technique for laminated core |
| CN205228622U (en) * | 2015-12-29 | 2016-05-11 | 保定天威保变电气股份有限公司 | Transformer core vibration noise measurement device |
| CN205810537U (en) * | 2016-05-17 | 2016-12-14 | 大宏机电(昆山)有限公司 | A kind of dual openings iron core |
| CN206574580U (en) * | 2017-03-31 | 2017-10-20 | 卧龙电气集团股份有限公司 | A kind of detachable plug ground screening test transformer of iron core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910168A (en) * | 2017-12-01 | 2018-04-13 | 广东电网有限责任公司电力科学研究院 | A kind of test core |
| CN107910168B (en) * | 2017-12-01 | 2023-08-08 | 广东电网有限责任公司电力科学研究院 | Test iron core |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170714 |
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| RJ01 | Rejection of invention patent application after publication |