CN204858986U - Magnet steel is transformer power supply circuit for fritting furnace - Google Patents
Magnet steel is transformer power supply circuit for fritting furnace Download PDFInfo
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- CN204858986U CN204858986U CN201520560599.4U CN201520560599U CN204858986U CN 204858986 U CN204858986 U CN 204858986U CN 201520560599 U CN201520560599 U CN 201520560599U CN 204858986 U CN204858986 U CN 204858986U
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- winding
- secondary winding
- magnet steel
- calandria
- sintering furnace
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Abstract
The utility model discloses a magnet steel is transformer power supply circuit for fritting furnace, including primary winding and secondary winding, the primary winding adopts Y shape to connect, the central ground connection of primary winding, secondary winding a -x and primary winding A -X correspond, secondary winding b -y and primary winding B -Y correspond, secondary winding c -z and primary winding C -Z correspond, secondary winding a -x's x end is connected with secondary winding b -y's b end, secondary winding b -y's y end is connected with secondary winding c -z's c end, the first heating member of connection magnet steel fritting furnace between secondary winding a -x's an end and the x end, the second heating member of connection magnet steel fritting furnace between secondary winding b -y's b end and the y end, the third heating member of connection magnet steel fritting furnace between secondary winding c -z's c end and the z end. This supply circuit can avoid unbalance current to produce the temperature rise increase that extra loss led to the fact the coil in the coil, saves the cost.
Description
Technical field
The utility model relates to a kind of magnet steel sintering furnace transformer-supplied circuit.
Background technology
Magnet steel sintering furnace is by the agglomerating plant of the materials such as neodymium, iron, boron by powder sintered one-tenth solid, then solid is rushed strong magnetic formation magnet steel.Sintering furnace generally has at least in stokehold, stove, stove tail three sections of heating regions, some in order to time heating more accurate, and heating region may arrange more, and owing to being provided with multistage heating region, the heating-up temperature of every section of heating region is different, therefore, every section of heating region needs otherwise same heating power.And the transformer-supplied circuit of current agglomerating plant is all generally adopt multiple stage single-phase transformer to heat to every section of heating region respectively, the space occupied is larger, and cost is also high.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of magnet steel sintering furnace transformer-supplied circuit, these power supply circuits utilize three-phase transformer to power to magnet steel sintering furnace, unsymmetrical current can be avoided to produce extra loss in coil causes the temperature rise of coil to increase, save cost, reduce floor space.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of magnet steel sintering furnace transformer-supplied circuit, comprise a winding A-X, B-Y, C-Z and secondary winding a-x, b-y, c-z, a described winding adopts Y shape to connect, the centre-point earth of a described winding, described secondary winding a-x is corresponding with a winding A-X, secondary winding b-y is corresponding with a winding B-Y, secondary winding c-z is corresponding with a winding C-Z, the x end of secondary winding a-x is held with the b of secondary winding b-y and is connected, the y end of secondary winding b-y is held with the c of secondary winding c-z and is connected, the first calandria of magnet steel sintering furnace is connected between a end of secondary winding a-x and x end, the second calandria of magnet steel sintering furnace is connected between the b end of secondary winding b-y and y end, the 3rd calandria of magnet steel sintering furnace is connected between the c end of secondary winding c-z and z end.
As the preferred scheme of one, described magnet steel sintering furnace also comprises the 4th calandria, and described transformer-supplied circuit comprises tertiary winding aa-xx, and the two ends of this tertiary winding aa-xx connect described 4th calandria, and this tertiary winding is corresponding with secondary winding a-x winding.
As the preferred scheme of one, described tertiary winding aa-xx and secondary winding a-x are the winding that in secondary winding a-x, b-y, c-z, output voltage is the highest to secondary winding a-x time corresponding.
As the preferred scheme of one, described magnet steel sintering furnace also comprises slender acanthopanax hot body and the 6th calandria, described transformer-supplied circuit also comprises tertiary winding bb-yy and cc-zz, described tertiary winding bb-yy is corresponding with secondary winding b-y, the two ends of described tertiary winding bb-yy connect slender acanthopanax hot body, and the two ends of described tertiary winding cc-zz connect the 6th calandria.
After have employed technique scheme, effect of the present utility model is: the Y connection that the primary side due to this transformer circuit adopts central point to draw can be avoided unsymmetrical current to produce extra loss in coil causing the temperature rise of coil to increase, utilize a three-phase transformer to power to three of magnet steel sintering furnace calandrias, compare three single-phase transformers and save more considerable material and cost.
Again because described magnet steel sintering furnace also comprises the 4th calandria, described transformer-supplied circuit comprises tertiary winding aa-xx, the two ends of this tertiary winding aa-xx connect described 4th calandria, this tertiary winding is corresponding with secondary winding a-x winding, this transformer circuit utilizes tertiary winding can power to the first calandria, increases the heating region of magnetic sintering furnace further.
The invention also discloses a kind of method of supplying power to of magnet steel sintering furnace transformer in addition, this method of supplying power to utilizes a three-phase transformer to power to the first calandria in magnet steel sintering furnace, the second calandria and the 3rd calandria respectively, a winding of three-phase transformer adopts star connection to connect, and central point draws ground connection, every phase secondary winding of three-phase transformer connects on the first calandria, the second calandria and the 3rd calandria respectively, and secondary winding every phase power output of three-phase transformer is all not identical.
Wherein preferred, when magnet steel sintering furnace comprises 4-6 calandria, three-phase transformer also comprises tertiary winding, this tertiary winding and secondary winding one_to_one corresponding, three calandrias in magnet steel sintering furnace are powered by secondary winding, remain 1-3 calandria and are powered by tertiary winding.
Wherein preferred, when the calandria in magnet steel sintering furnace is more than 6, the quantity of three-phase transformer is multiple, and every six calandrias are powered by same three-phase transformer, remainingly to be powered by same three-phase transformer less than six calandrias, this is remaining is preferentially powered by the secondary winding of three-phase transformer less than in six calandrias, secondary winding distribute full after powered by tertiary winding again.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment 2;
In accompanying drawing: 1. a winding A-X; 2. a winding B-Y; 3. a winding C-Z; 4. earth connection; 5. secondary winding a-x; 6. secondary winding b-y; 7. secondary winding c-z; 8. the first calandria; 9. the second calandria; 10. the 3rd calandria; 11. tertiary winding aa-xx; 12. the 4th calandrias.
Embodiment
Below by specific embodiment, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of magnet steel sintering furnace transformer-supplied circuit, comprise a winding A-X1, B-Y, C-Z and secondary winding a-x5, b-y, c-z, a described winding adopts Y shape to connect, the centre-point earth of a described winding, namely as in Fig. 1, the X end of a winding, Y holds, Z end is interconnected and ground wire is drawn at center, described secondary winding a-x5 is corresponding with a winding A-X1, secondary winding b-y6 is corresponding with a winding B-Y2, secondary winding c-z7 is corresponding with a winding C-Z3, the x end of secondary winding a-x5 is held with the b of secondary winding b-y6 and is connected, the y end of secondary winding b-y6 is held with the c of secondary winding c-z7 and is connected, the first calandria 8 of magnet steel sintering furnace is connected between a end of secondary winding a-x5 and x end, the second calandria 9 of magnet steel sintering furnace is connected between the b end of secondary winding b-y6 and y end, the 3rd calandria 10 of magnet steel sintering furnace is connected between the c end of secondary winding c-z7 and z end.
In the present embodiment, contains only three sections of heating regions in magnet steel sintering furnace, and the first calandria 8, second calandria 9 and the 3rd calandria 10, and the heating-up temperature of three sections of heating regions is different, therefore, every phase secondary winding needs to export different capacity, and primary current can be caused different due to the secondary current difference of three-phase, now, unbalanced electric current utilizes central point to flow out, thus avoids unsymmetrical current to produce extra loss in coil causing the temperature rise of coil to increase.The present embodiment also discloses a kind of method of supplying power to of magnet steel sintering furnace transformer in addition, this method of supplying power to utilizes a three-phase transformer to power to the first calandria 8, second calandria 9 in magnet steel sintering furnace and the 3rd calandria 10 respectively, a winding of three-phase transformer adopts star connection to connect, and central point draws ground connection, every phase secondary winding of three-phase transformer connects on the first calandria 8, second calandria 9 and the 3rd calandria 10 respectively, and secondary winding every phase power output of three-phase transformer is all not identical.
Embodiment 2
Magnet steel sintering furnace described in this embodiment also comprises the 4th calandria 12, and described transformer-supplied circuit comprises tertiary winding aa-xx11, and the two ends of this tertiary winding aa-xx11 connect described 4th calandria 12, and this tertiary winding is corresponding with secondary winding a-x5 winding.
Wherein, described tertiary winding aa-xx11 and secondary winding a-x5 are the winding that in secondary winding a-x5, b-y, c-z, output voltage is the highest to secondary winding a-x5 time corresponding.
Certainly, if described magnet steel sintering furnace also comprises slender acanthopanax hot body and the 6th calandria, so described transformer-supplied circuit also comprises tertiary winding bb-yy and cc-zz, described tertiary winding bb-yy is corresponding with secondary winding b-y6, the two ends of described tertiary winding bb-yy connect slender acanthopanax hot body, and the two ends of described tertiary winding cc-zz connect the 6th calandria.
And it is different according to the heating region in magnet steel sintering furnace, three-phase transformer power supply circuits are different, when magnet steel sintering furnace comprises 4-6 calandria, three-phase transformer also comprises tertiary winding, this tertiary winding and secondary winding one_to_one corresponding, three calandrias in magnet steel sintering furnace are powered by secondary winding, remain 1-3 calandria and are powered by tertiary winding.
If the calandria in magnet steel sintering furnace is more than 6, the quantity of three-phase transformer is multiple, and every six calandrias are powered by same three-phase transformer, remainingly to be powered by same three-phase transformer less than six calandrias, this is remaining is preferentially powered by the secondary winding of three-phase transformer less than in six calandrias, secondary winding distribute full after powered by tertiary winding again.
The above embodiment is only the description to the preferred embodiment of the present invention; not as limiting the scope of the invention; design on the basis of spirit not departing from the present invention; the various distortion make technical solution of the present invention and transformation, all should fall in protection range that claims of the present invention determine.
Claims (4)
1. a magnet steel sintering furnace transformer-supplied circuit, comprise a winding A-X, B-Y, C-Z and secondary winding a-x, b-y, c-z, a described winding adopts Y shape to connect, it is characterized in that: the centre-point earth of a described winding, described secondary winding a-x is corresponding with a winding A-X, secondary winding b-y is corresponding with a winding B-Y, secondary winding c-z is corresponding with a winding C-Z, the x end of secondary winding a-x is held with the b of secondary winding b-y and is connected, the y end of secondary winding b-y is held with the c of secondary winding c-z and is connected, the first calandria of magnet steel sintering furnace is connected between a end of secondary winding a-x and x end, the second calandria of magnet steel sintering furnace is connected between the b end of secondary winding b-y and y end, the 3rd calandria of magnet steel sintering furnace is connected between the c end of secondary winding c-z and z end.
2. a kind of magnet steel sintering furnace transformer-supplied circuit as claimed in claim 1, it is characterized in that: described magnet steel sintering furnace also comprises the 4th calandria, described transformer-supplied circuit comprises tertiary winding aa-xx, the two ends of this tertiary winding aa-xx connect described 4th calandria, and this tertiary winding is corresponding with secondary winding a-x winding.
3. a kind of magnet steel sintering furnace transformer-supplied circuit as claimed in claim 2, is characterized in that: described tertiary winding aa-xx and secondary winding a-x are the winding that in secondary winding a-x, b-y, c-z, output voltage is the highest to secondary winding a-x time corresponding.
4. a kind of magnet steel sintering furnace transformer-supplied circuit as claimed in claim 3, it is characterized in that: described magnet steel sintering furnace also comprises slender acanthopanax hot body and the 6th calandria, described transformer-supplied circuit also comprises tertiary winding bb-yy and cc-zz, described tertiary winding bb-yy is corresponding with secondary winding b-y, the two ends of described tertiary winding bb-yy connect slender acanthopanax hot body, and the two ends of described tertiary winding cc-zz connect the 6th calandria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560599.4U CN204858986U (en) | 2015-07-30 | 2015-07-30 | Magnet steel is transformer power supply circuit for fritting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560599.4U CN204858986U (en) | 2015-07-30 | 2015-07-30 | Magnet steel is transformer power supply circuit for fritting furnace |
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| Publication Number | Publication Date |
|---|---|
| CN204858986U true CN204858986U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520560599.4U Expired - Fee Related CN204858986U (en) | 2015-07-30 | 2015-07-30 | Magnet steel is transformer power supply circuit for fritting furnace |
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| Country | Link |
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| CN (1) | CN204858986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993709A (en) * | 2015-07-30 | 2015-10-21 | 江苏新特变科技股份有限公司 | Magnetic steel sintering furnace transformer power supply circuit and power supply method |
-
2015
- 2015-07-30 CN CN201520560599.4U patent/CN204858986U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993709A (en) * | 2015-07-30 | 2015-10-21 | 江苏新特变科技股份有限公司 | Magnetic steel sintering furnace transformer power supply circuit and power supply method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Bao Zhengke Inventor after: Zhou Qi Inventor after: Xu Ye Inventor after: Xu Yi Inventor before: Bao Zhengke Inventor before: Zhou Qi Inventor before: Xu Ye |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20190730 |