CN201465794U - Magnetic field applying device for heat treatment of iron core of transformer - Google Patents
Magnetic field applying device for heat treatment of iron core of transformer Download PDFInfo
- Publication number
- CN201465794U CN201465794U CN2009200779621U CN200920077962U CN201465794U CN 201465794 U CN201465794 U CN 201465794U CN 2009200779621 U CN2009200779621 U CN 2009200779621U CN 200920077962 U CN200920077962 U CN 200920077962U CN 201465794 U CN201465794 U CN 201465794U
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- magnetic field
- heat treated
- transformer core
- field applicator
- treated magnetic
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Abstract
The utility model relates to a magnetic field applying device for the heat treatment of an iron core of a transformer, comprising an annealing furnace trolley, and a plurality of metal rows arranged on the annealing furnace trolley, wherein the metal rows are connected with the annealing furnace trolley in an insulated way; the metal rows are connected with each other in series by conductors; and the metal rows at the head and the tail ends are respectively connected with a positive and a negative poles of an external power supply. The magnetic field applying device for the heat treatment of the iron core of the transformer is convenient for operation, saves workload, has high safety, can be repeatedly used, prolongs the service life of the metal rows, ensures the generated magnetic force line to be even and improves the effect of the heat treatment.
Description
Technical field
The utility model relates to amorphous alloy transformer core and makes the field, relates in particular to a kind of heat treated magnetic field applicator of transformer core that is used for.
Background technology
Amorphous alloy is as energy saving and environment friendly " green material ", and the traditional silicon steel used with making the distribution transformer iron core compared, and has significant low core loss property, thereby is used widely in the transformer core manufacturing.But in the chilling preparation process of amorphous band, and band cutting, curl, very easily produce stress in the processing, transportation, thereby influence the magnetic property of amorphous iron core.At present, generally carry out destressing and handle, apply magnetic field simultaneously,, can effectively reduce the noise of iron core simultaneously to increase the effect of destressing by heat treated mode.The generation in magnetic field is to utilize the cable energising of passing the iron core mesopore to form.Because in the industrial processes, the iron core quantity of every furnace annealing is a lot, for the effect that guarantees to anneal, cable need be passed each iron core, and then with cable two ends access power supply, string is very big around the workload of cable like this, and each layer iron core and adjacent iron core distance is very near, has increased the difficulty of string around cable, simultaneously because there are corner angle at the iron core edge, the wearing and tearing cable causes cable short circuit generation security incident, in addition easily, because cable lacks rigidity, can not guarantee to pass just the centre of iron core mesopore, the magnetic field magnetic line that energising produces fails to enter fully iron core, and then influences the effect of destressing.
The utility model content
The purpose of this utility model is to provide a kind of heat treated magnetic field applicator of transformer core that is used for, and the cable that replaces passing the iron core mesopore with rigid metal row bar produces magnetic field, and easy to operate, destressing is effective, and the security performance height, saves workload.
In order to achieve the above object, the utility model provides a kind of heat treated magnetic field applicator of transformer core that is used for, comprise the annealing furnace dolly, several are installed in metals row on the annealing furnace dolly, described several metals row is connected with the insulation of annealing furnace dolly, above-mentioned several metals row is by the conductor series connection, and the metal row at head and the tail two ends is connected with the both positive and negative polarity of externally fed power supply respectively.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for, wherein, described metal row is " U " type structure, comprises two metals row bar and the metallic plate that is connected two metals row bar, described two metals row bar is parallel to each other.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for, wherein, the outer surface of described metallic plate applies or twines insulating material, and above-mentioned metal row is connected on the annealing furnace dolly by this metallic plate.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for, wherein, described insulating material is asbestos.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for, wherein, the top of described two metals row bar respectively is provided with a groove, and described groove is connected with conductor.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for, wherein, above-mentioned conductor is and the metallic plate of metal row with material that this conductor tightly is stuck in the groove.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for, wherein, the thickness of above-mentioned metal row bar is 5～20mm, its width is 50～150mm.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for wherein, also comprises two-plate, and described two-plate is connected with the metal row at head and the tail two ends respectively, and described pole plate is drawn the annealing furnace dolly and is connected with the both positive and negative polarity of externally fed power supply respectively.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for wherein, successively stacks the annealing frame that is loaded with iron core on the described annealing furnace dolly, and each metal row bar all passes the mesopore of iron core.
The above-mentioned heat treated magnetic field applicator of transformer core that is used for, wherein, the centre that each metal row bar all passes the mesopore of iron core.
The metal row that the utility model is used for the heat treated magnetic field applicator of transformer core is rigid material, and after the energising, metal row produces uniform magnetic field, has improved heat treated effect; Metal row be fixedly mounted on the annealing furnace dolly, when stacking iron core, as long as the mesopore of iron core is passed metal row bar, the conductor that connects each metal row inserts metal and arranges the series connection that the groove on bar top just can be realized each metal row, therefore, this is used for the heat treated magnetic field applicator of transformer core and operates very conveniently, and workload reduces greatly; Row is not fragile, reusable for metal, make to be used for the heat treated magnetic field applicator long service life of transformer core, and the security performance height.
Description of drawings
The heat treated magnetic field applicator of transformer core that is used for that the utility model provides is provided by following embodiment and accompanying drawing.
Fig. 1 is the vertical view that the utility model is used for the heat treated magnetic field applicator of transformer core.
Fig. 2 is the front view that the utility model is used for the heat treated magnetic field applicator copper bar of transformer core.
Fig. 3 is the left view that the utility model is used for the heat treated magnetic field applicator copper bar of transformer core.
Fig. 4 is the sectional view of Fig. 3 A-A direction.
Fig. 5 is the fundamental diagram that the utility model is used for the heat treated magnetic field applicator of transformer core.
Embodiment
Below with reference to Fig. 1～Fig. 5 the heat treated magnetic field applicator of transformer core that is used for that the utility model provides is described in further detail.
Referring to Fig. 1, be used for the heat treated magnetic field applicator of transformer core and comprise several metals row 1, described several metals row 1 is connected with 2 insulation of annealing furnace dolly, described several metals row 1 is by conductor 3 series connection, the metal row 1 at head and the tail two ends respectively connects a pole plate 4, described pole plate 4 is drawn annealing furnace dolly 2, and the metal row 1 at above-mentioned head and the tail two ends is connected with the both positive and negative polarity of externally fed power supply respectively by pole plate 4.
Described pole plate 4 is and metal row 1 metallic plate with material that this pole plate 4 is connected with 2 insulation of annealing furnace dolly.
Above-mentionedly be used for the heat treated magnetic field applicator of transformer core can to select electric conductivity favorable rigidity metal for use be material, preferably, with copper as metal material, the conducting electricity very well of copper, hardness height, and both economical.
Now be example, describe the heat treated magnetic field applicator of transformer core that is used for of the present utility model in detail with the copper bar.
Referring to Fig. 2, described copper bar 1 is " U " type structure, comprises two copper bar bars 11 and the copper coin 12 that is connected two copper bar bars 11, and described two copper bar bars 11 are parallel to each other, described copper coin 12 and two copper bar bars, 11 same materials.
Described copper coin 12 is connected on the annealing furnace dolly 2, in order to make copper bar 1 and 2 insulation of annealing furnace dolly, at the outer surface coating or the winding insulating material 13 of copper coin 12.In the present embodiment, the outer surface of above-mentioned copper coin 12 twines asbestos, and the outer surface of above-mentioned pole plate 4 twines asbestos, is supported on the underframe of annealing furnace dolly 2.
Referring to Fig. 3, the top of described two copper bar bars 11 respectively is provided with one " U " type groove 14, and described groove 14 is used for bonding conductor 3. in the present embodiment, and above-mentioned conductor 3 is and the copper coin of copper bar 1 with material that conductor 3 can tightly be stuck in the groove 14.
When realizing 1 series connection of each copper bar, if just the two ends of copper coin (being conductor) are inserted respectively in the groove 14 on two copper bar bars, 11 tops that need series connection can, it is very convenient to operate.
Referring to Fig. 4, be depicted as the cross section of copper bar bar 11 along Fig. 3 A-A direction, the thickness d of above-mentioned copper bar bar 11 is 5～20mm, its width L is 50～150mm.
Referring to Fig. 5, when using the utility model to be used for the heat treated magnetic field applicator of transformer core, the annealing frame 21 that is loaded with iron core 5 is successively overlayed on the annealing furnace dolly 2, each copper bar bar 11 all passes the mesopore 51 of iron core 5, preferably, copper bar bar 11 is positioned at the centre of mesopore 51, after annealing frame 21 is stacked and is finished, with conductor 3 all copper bars 1 on the annealing furnace dolly 2 are together in series, utilize universal instrument that the copper bar 1 at head and the tail two ends is tested, determine whether all copper bars 1 form the loop, at last the copper bar 1 at head and the tail two ends is inserted the both positive and negative polarity of externally fed power supply by pole plate 4 respectively.The electric current that power supply produces is a direct current, and the magnetic field that electric current produces is longitudinal magnetic field.According to core dimensions and performance requirement, the magnetic field intensity that electrical current produces is generally elected 200～2000A/m as, and preferably the magnetic field intensity of Cai Yonging is 1000～1500A/m.
Because copper bar bar 11 is a rigid material, each the copper bar bar 11 behind the logical direct current all produces uniform magnetic field in each iron core mesopore, improved thermal effectiveness greatly.
When successively stacking the annealing frame that is loaded with iron core, as long as the iron core mesopore is passed the copper bar bar, save the trouble of twining cable, it is very convenient to operate, and has saved workload greatly.
It is reusable that the utility model is used for the heat treated magnetic field applicator of transformer core, not fragile, long service life, and safety.
Claims (10)
1. one kind is used for the heat treated magnetic field applicator of transformer core, comprise the annealing furnace dolly, it is characterized in that, comprise that also several are installed in the metal row on the annealing furnace dolly, described several metals row is connected with the insulation of annealing furnace dolly, above-mentioned several metals row is by the conductor series connection, and the metal row at head and the tail two ends is connected with the both positive and negative polarity of externally fed power supply respectively.
2. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 1 is characterized in that, described metal row is " U " type structure, comprises two metals row bar and the metallic plate that is connected two metals row bar, and described two metals row bar is parallel to each other.
3. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 2 is characterized in that, the outer surface of described metallic plate applies or twine insulating material, and above-mentioned metal row is connected on the annealing furnace dolly by this metallic plate.
4. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 3 is characterized in that described insulating material is asbestos.
5. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 2 is characterized in that, the top of described two metals row bar respectively is provided with a groove, and described groove is connected with conductor.
6. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 5 is characterized in that, above-mentioned conductor is and the metallic plate of metal row with material that this conductor tightly is stuck in the groove.
7. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 2 is characterized in that, the thickness of above-mentioned metal row bar is 5～20mm, and its width is 50～150mm.
8. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 1, it is characterized in that, also comprise two-plate, described two-plate is connected with the metal row at head and the tail two ends respectively, and described pole plate is drawn the annealing furnace dolly and is connected with the both positive and negative polarity of externally fed power supply respectively.
9. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 1 is characterized in that, successively stacks the annealing frame that is loaded with iron core on the described annealing furnace dolly, and each metal row bar all passes the mesopore of iron core.
10. the heat treated magnetic field applicator of transformer core that is used for as claimed in claim 9 is characterized in that, the centre that each metal row bar all passes the iron core mesopore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779621U CN201465794U (en) | 2009-07-07 | 2009-07-07 | Magnetic field applying device for heat treatment of iron core of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779621U CN201465794U (en) | 2009-07-07 | 2009-07-07 | Magnetic field applying device for heat treatment of iron core of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465794U true CN201465794U (en) | 2010-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200779621U Expired - Lifetime CN201465794U (en) | 2009-07-07 | 2009-07-07 | Magnetic field applying device for heat treatment of iron core of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337384A (en) * | 2011-09-15 | 2012-02-01 | 上海日港置信非晶体金属有限公司 | Destressing method and device for amorphous alloy transformer iron core |
| CN107025977A (en) * | 2017-06-05 | 2017-08-08 | 郑州三彩电子科技有限公司 | Amorphous alloy transformer and system |
-
2009
- 2009-07-07 CN CN2009200779621U patent/CN201465794U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337384A (en) * | 2011-09-15 | 2012-02-01 | 上海日港置信非晶体金属有限公司 | Destressing method and device for amorphous alloy transformer iron core |
| CN107025977A (en) * | 2017-06-05 | 2017-08-08 | 郑州三彩电子科技有限公司 | Amorphous alloy transformer and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1028 Tianshan Road, Shanghai, 2003 Patentee after: Shanghai Confidence Rigang Electric Co., Ltd. Address before: 1028 Tianshan Road, Shanghai, 2003 Patentee before: Shanghai Metglas Zhixin Amorphous Metals Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |