CN107548176B - Amorphous alloy magnet yoke applied to high-frequency induction heating furnace - Google Patents
Amorphous alloy magnet yoke applied to high-frequency induction heating furnace Download PDFInfo
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- CN107548176B CN107548176B CN201710797884.1A CN201710797884A CN107548176B CN 107548176 B CN107548176 B CN 107548176B CN 201710797884 A CN201710797884 A CN 201710797884A CN 107548176 B CN107548176 B CN 107548176B
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- amorphous alloy
- yoke
- induction coil
- heating furnace
- induction heating
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 145
- 230000006698 induction Effects 0.000 title claims abstract description 97
- 238000010438 heat treatment Methods 0.000 title claims abstract description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000005300 metallic glass Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to a functional device of an induction heating furnace of a plate blank, in particular to an amorphous alloy magnet yoke applied to a high-frequency induction heating furnace. The amorphous alloy magnetic yoke applied to the high-frequency induction heating furnace comprises an upper amorphous alloy magnetic yoke, an induction coil and a lower amorphous alloy magnetic yoke; the induction coil is an annular coil which is transversely and vertically arranged; the upper amorphous alloy magnetic yoke and the lower amorphous alloy magnetic yoke are respectively arranged at the upper end and the lower end of the induction coil. The advantages are that: simple structure, reasonable in design can play fine restraint and shielding effect to induction heating furnace's external magnetic radiation to prevent that the coil from heating the transmission part of outside, can reduce self because of the thermal efficiency that the eddy current effect produced, thereby reduce the temperature of self, and then can improve the induction heating efficiency of stove.
Description
Technical Field
The invention relates to a functional device of an induction heating furnace of a plate blank, in particular to an amorphous alloy magnet yoke applied to a high-frequency induction heating furnace.
Background
The induction heating furnace belongs to a novel device in an industrial heating furnace, and the traditional intermediate billet heating mode adopts gas heating, so that the heating and soaking requirements can be met, but the efficiency is lower. Particularly, on a continuous casting and rolling production line of endless rolling slabs, a steel strip needs to be heated and soaked quickly before entering a finishing mill, an induction heating furnace can well meet the requirement, but electromagnetic induction exists because of an electromagnetic field, so that other parts are heated for preventing the magnetic field from leaking outwards, and the magnetic field needs to be restrained and shielded outside a coil.
The iron loss of the currently used magnetic yoke material is not low enough, and the self heat productivity of the magnetic yoke material is large under a high-frequency heating environment, so that the heating efficiency of the coil is low, the heat loss is large, and the requirement of the high-frequency induction heating environment cannot be met.
Disclosure of Invention
The invention aims to solve the technical problem of providing an amorphous alloy magnet yoke applied to a high-frequency induction heating furnace, and effectively overcomes the defects of the prior art.
The technical scheme for solving the technical problems is as follows: an amorphous alloy magnet yoke applied to a high-frequency induction heating furnace comprises an upper amorphous alloy magnet yoke, an induction coil and a lower amorphous alloy magnet yoke;
the induction coil is a ring-shaped coil which is transversely and vertically arranged;
the upper amorphous alloy magnetic yoke and the lower amorphous alloy magnetic yoke are respectively arranged at the upper end and the lower end of the induction coil.
The invention has the beneficial effects that: simple structure, reasonable in design can play fine restraint and shielding effect to induction heating furnace's external magnetic radiation to prevent that the coil from heating the transmission part of outside, can reduce self because of the thermal efficiency that the eddy current effect produced, thereby reduce the temperature of self, and then can improve the induction heating efficiency of stove.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the induction coil is a rectangular ring-shaped coil.
The beneficial effects of adopting above-mentioned further scheme are that do benefit to the arrangement of going up amorphous alloy yoke and lower amorphous alloy yoke, the appearance is also more pleasing to the eye, and also can be compacter with the structural configuration of other mechanisms.
Further, the upper amorphous alloy magnetic yoke is composed of a plurality of U-shaped upper amorphous alloy magnetic yoke blocks which are transversely and vertically arranged;
each upper amorphous alloy magnetic yoke block is respectively vertical to the induction coil;
a plurality of upper amorphous alloy yoke blocks are distributed in a row from one side of the induction coil to the other side at equal intervals;
the open end of each upper amorphous alloy magnetic yoke block is downwards arranged, two ends of the open end of each upper amorphous alloy magnetic yoke block respectively extend downwards to the outer sides of two ends of the upper part of the induction coil, and the closed end of each upper amorphous alloy magnetic yoke block is contacted with the upper end part of the induction coil;
and U-shaped upper radiating fins matched with the upper amorphous alloy magnet yoke blocks in shape are arranged between every two adjacent upper amorphous alloy magnet yoke blocks.
The technical scheme has the advantages that the upper amorphous alloy magnet yoke is simple and reasonable in structural design and can cover the upper part of the induction coil, so that magnetic lines of force of the induction coil can be effectively restrained, the induction coil is prevented from heating an external transmission part, in addition, the low iron loss of the upper amorphous alloy magnet yoke block can reduce the heat efficiency of the upper amorphous alloy magnet yoke block caused by the eddy current effect, the temperature of the upper amorphous alloy magnet yoke block is reduced, and the induction heating efficiency of the furnace can be improved; in addition, the amorphous alloy magnetic yoke block can adapt to special environment due to excellent corrosion resistance and better high temperature resistance, and the service life of the amorphous alloy magnetic yoke block is prolonged.
Furthermore, the upper radiating fin is a U-shaped copper sheet.
The beneficial effects of adopting above-mentioned further scheme are that the heat conduction effect is better, and processing technology is also simpler.
Further, both ends of the open end and the closed end of the upper heat sink are in contact with both ends and the upper end of the upper portion of the induction coil, respectively.
The beneficial effect of adopting above-mentioned further scheme is that it is compact to ensure to go up fin and induction coil structural connection, and the installation of being convenient for go up amorphous alloy yoke is firm.
Further, the lower amorphous alloy magnetic yoke is composed of a plurality of U-shaped lower amorphous alloy magnetic yoke blocks which are transversely and vertically arranged;
each lower amorphous alloy magnetic yoke block is respectively vertical to the induction coil;
a plurality of the lower amorphous alloy yoke blocks are distributed in a row from one side of the induction coil to the other side at equal intervals;
the open end of each lower amorphous alloy magnetic yoke block is arranged upwards, two ends of the open end of each lower amorphous alloy magnetic yoke block respectively extend upwards to the outer sides of two ends of the lower part of the induction coil, and the closed end of each lower amorphous alloy magnetic yoke block is contacted with the end part of the lower end of the induction coil;
and U-shaped lower radiating fins matched with the lower amorphous alloy magnet yoke blocks in shape are arranged between every two adjacent lower amorphous alloy magnet yoke blocks.
The lower amorphous alloy magnetic yoke has the advantages that the lower amorphous alloy magnetic yoke is simple and reasonable in structural design and can cover the lower part of the induction coil, so that magnetic lines of force of the induction coil can be effectively restrained, the induction coil is prevented from heating an external transmission part, in addition, the lower amorphous alloy magnetic yoke block is low in iron loss, the heat efficiency of the lower amorphous alloy magnetic yoke block caused by the eddy current effect can be reduced, the temperature of the lower amorphous alloy magnetic yoke block is reduced, and the induction heating efficiency of the furnace can be improved; in addition, the lower amorphous alloy magnetic yoke block can adapt to special environment due to excellent corrosion resistance and better high temperature resistance, and the service life of the lower amorphous alloy magnetic yoke block is prolonged.
Further, the lower radiating fin is a U-shaped copper sheet.
The beneficial effects of adopting above-mentioned further scheme are that the heat conduction effect is better, and processing technology is also simpler.
Further, both ends of the open end and the closed end of the lower heat sink are in contact with both ends and the lower end of the lower portion of the induction coil, respectively.
The beneficial effect of adopting above-mentioned further scheme is that it is compact to ensure that fin and induction coil structure are connected down, and the installation of the metallic glass yoke is firm under being convenient for.
Drawings
FIG. 1 is a schematic front view of an amorphous alloy yoke applied to a high-frequency induction heating furnace according to the present invention;
fig. 2 is a side view of an amorphous alloy yoke applied to a high-frequency induction heating furnace according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the induction coil comprises an upper amorphous alloy magnetic yoke, 2, an induction coil, 3, a lower amorphous alloy magnetic yoke, 11, an upper amorphous alloy magnetic yoke block, 12, an upper radiating fin, 31, a lower amorphous alloy magnetic yoke block, 32 and a lower radiating fin.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example (b): as shown in fig. 1 and 2, the amorphous alloy yoke applied to the high-frequency induction heating furnace of the present embodiment includes an upper amorphous alloy yoke 1, an induction coil 2, and a lower amorphous alloy yoke 3;
the induction coil 2 is a ring-shaped coil which is transversely and vertically arranged;
the upper amorphous alloy yoke 1 and the lower amorphous alloy yoke 3 are respectively disposed at the upper and lower ends of the induction coil 2.
In the use, high magnetic permeability's last amorphous alloy yoke 1 and lower amorphous alloy yoke 3 can play restraint and shielding effect to the magnetic line of force of induction coil 2 outside, in order to prevent to heat outside transmission parts, and simultaneously, go up amorphous alloy yoke 1 and lower amorphous alloy yoke 3 and have low iron loss nature, can reduce self thermal efficiency because of eddy current effect produces, thereby reduce the temperature of self, and then can improve the induction heating efficiency of stove, especially under high frequency induction heating's environment, go up amorphous alloy yoke 1 and lower amorphous alloy yoke 3 because of it has lower iron loss nature, make coil induction heating efficiency higher, the heat loss is lower, thereby promote the induction heating efficiency of whole induction heating furnace when high frequency heating.
Preferably, the induction coil 2 is a rectangular annular coil, has an attractive appearance, is convenient to be assembled with other mechanisms in a matching way, and is beneficial to reasonable arrangement of the upper amorphous alloy magnet yoke 1 and the lower amorphous alloy magnet yoke 3.
Preferably, the upper amorphous alloy magnetic yoke 1 is composed of a plurality of U-shaped upper amorphous alloy magnetic yoke blocks 11 which are transversely and vertically arranged;
each upper amorphous alloy yoke block 11 is respectively vertical to the induction coil 2;
a plurality of the upper amorphous alloy yoke blocks 11 are distributed in a row from one side of the induction coil 2 to the other side at equal intervals;
the open end of each upper amorphous alloy yoke block 11 is arranged downwards, two ends of the open end of each upper amorphous alloy yoke block extend downwards to the outer sides of two ends of the upper part of the induction coil 2 respectively, and the closed end of each upper amorphous alloy yoke block is contacted with the end part of the upper end of the induction coil 2;
and U-shaped upper radiating fins 12 matched with the upper amorphous alloy magnet yoke blocks 11 in shape are arranged between every two adjacent upper amorphous alloy magnet yoke blocks.
The lower amorphous alloy magnetic yoke 3 is composed of a plurality of U-shaped lower amorphous alloy magnetic yoke blocks 31 which are transversely and vertically arranged;
each of the lower amorphous alloy yoke blocks 31 is perpendicular to the induction coil 2;
a plurality of the lower amorphous alloy yoke blocks 31 are arranged in a row from one side of the induction coil 2 to the other side at equal intervals;
the open end of each lower amorphous alloy yoke block 31 is arranged upward, and both ends of the open end extend upward to the outer sides of both ends of the lower part of the induction coil 2, respectively, and the closed end thereof is in contact with the lower end part of the induction coil 2;
and U-shaped lower radiating fins 32 matched with the shapes of the two adjacent lower amorphous alloy magnet yoke blocks 31 are arranged between the two adjacent lower amorphous alloy magnet yoke blocks.
The design enables the upper amorphous alloy magnetic yoke block 11 and the lower amorphous alloy magnetic yoke block 31 in the upper amorphous alloy magnetic yoke 1 and the lower amorphous alloy magnetic yoke 3 to cover the upper part and the lower part of the induction coil 2 for the most part, the U-shaped design of the upper amorphous alloy magnetic yoke block and the lower amorphous alloy magnetic yoke block surrounds to form a loop, the high magnetic permeability of the U-shaped design can be utilized to effectively restrain and shield magnetic lines of force outside the induction coil 2, meanwhile, the low iron loss can reduce the heat efficiency of the U-shaped design due to the eddy current effect, so that the temperature of the U-shaped design is reduced, in addition, the upper radiating fin 12 and the lower radiating fin 32 can also absorb the heat of the upper amorphous alloy magnetic yoke block 11 and the lower amorphous alloy magnetic yoke block 31, the temperature of the upper amorphous alloy magnetic yoke block 11 and the lower amorphous alloy magnetic yoke block 31 is fully reduced; in addition, the superior corrosion resistance and better high temperature resistance of the upper amorphous alloy yoke block 11 and the lower amorphous alloy yoke block 31 can enable the amorphous alloy yoke blocks to adapt to special environments, and the service life of the amorphous alloy yoke blocks is prolonged.
It should be noted that, no matter the upper amorphous alloy yoke block 11 and the lower amorphous alloy yoke block 31, the gap between the two ends of the opening end of the upper amorphous alloy yoke block 11 and the two ends of the lower amorphous alloy yoke block 31 and the gap between the two ends of the upper amorphous alloy yoke block 11 and the two ends of the lower amorphous alloy yoke block 31 are small, about 1-2 mm, so that the upper portion and the lower portion of the induction coil 2 can extend into the opening ends of the upper amorphous alloy yoke block 11 and the lower amorphous alloy yoke block 31, the small gap prevents the induction coil 2 from moving greatly relative to the upper amorphous alloy yoke block 11 and the lower amorphous alloy yoke block 31, only small displacement changes can occur, the induction coil 2 can be effectively limited between the upper amorphous alloy yoke 1 and the lower amorphous alloy yoke 3.
Preferably, the upper heat sink 12 and the lower heat sink 32 are both U-shaped copper sheets, which have good thermal conductivity.
Preferably, both ends of the open end and the closed end of the upper heat sink 12 are respectively in contact with both ends and an upper end of the upper portion of the induction coil 2; the open end both ends and the blind end of above-mentioned lower fin 32 contact with above-mentioned induction coil 2 lower part both ends and lower extreme respectively, and this design makes upper fin 12 and lower fin 32 can be close to the block outside induction coil's upper and lower part, and the installation of guaranteeing to go up amorphous alloy yoke 1 and lower amorphous alloy yoke 3 is firm to can carry out thermal absorption to induction coil 2 and arrange the heat dissipation.
It should be noted that, even if the upper amorphous alloy yoke block 11 and the lower amorphous alloy yoke block 31 have low iron loss and generate heat, if the heat cannot be dissipated well, heat is gradually accumulated during use, and therefore, the upper amorphous alloy yoke block 11 and the lower amorphous alloy yoke block 31 can be effectively dissipated by the upper heat dissipation fin 12 and the lower heat dissipation fin 32, so that the performance is always in a good state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an be applied to high frequency induction heating furnace's metallic glass yoke which characterized in that: comprises an upper amorphous alloy magnet yoke (1), an induction coil (2) and a lower amorphous alloy magnet yoke (3);
the induction coil (2) is a ring-shaped coil which is transversely and vertically arranged;
the upper amorphous alloy magnet yoke (1) and the lower amorphous alloy magnet yoke (3) are respectively arranged at the upper end and the lower end of the induction coil (2);
the upper amorphous alloy magnet yoke (1) is composed of a plurality of U-shaped upper amorphous alloy magnet yoke blocks (11) which are transversely and vertically arranged;
each upper amorphous alloy magnetic yoke block (11) is respectively vertical to the induction coil (2);
the upper amorphous alloy magnetic yoke blocks (11) are distributed in a row from one side of the induction coil (2) to the other side at equal intervals;
the open end of each upper amorphous alloy magnetic yoke block (11) is arranged downwards, two ends of the open end of each upper amorphous alloy magnetic yoke block extend downwards to the outer sides of two ends of the upper part of the induction coil (2) respectively, and the closed end of each upper amorphous alloy magnetic yoke block is contacted with the end part of the upper end of the induction coil (2);
the lower amorphous alloy magnet yoke (3) is composed of a plurality of U-shaped lower amorphous alloy magnet yoke blocks (31) which are transversely and vertically arranged;
each lower amorphous alloy magnetic yoke block (31) is respectively vertical to the induction coil (2);
the lower amorphous alloy magnetic yoke blocks (31) are distributed in a row from one side of the induction coil (2) to the other side at equal intervals;
the open end of each lower amorphous alloy magnetic yoke block (31) is arranged upwards, the two ends of the open end of each lower amorphous alloy magnetic yoke block extend upwards to the outer sides of the two ends of the lower portion of the induction coil (2), and the closed end of each lower amorphous alloy magnetic yoke block is in contact with the end portion of the lower end of the induction coil (2).
2. The amorphous alloy yoke applied to a high-frequency induction heating furnace according to claim 1, characterized in that: the induction coil (2) is a rectangular annular coil.
3. The amorphous alloy yoke applied to a high-frequency induction heating furnace according to claim 2, characterized in that: u-shaped upper radiating fins (12) matched with the upper amorphous alloy magnet yoke blocks in shape are arranged between every two adjacent upper amorphous alloy magnet yoke blocks (11).
4. An amorphous alloy yoke applied to a high-frequency induction heating furnace according to claim 3, characterized in that: the upper radiating fin (12) is a U-shaped copper sheet.
5. The amorphous alloy yoke applied to a high-frequency induction heating furnace according to claim 4, characterized in that: and two ends of the opening end and the closed end of the upper radiating fin (12) are respectively contacted with two ends and the upper end of the upper part of the induction coil (2).
6. An amorphous alloy yoke applied to a high-frequency induction heating furnace according to any one of claims 2 to 5, characterized in that: and U-shaped lower radiating fins (32) matched with the lower amorphous alloy magnet yoke blocks in shape are arranged between every two adjacent lower amorphous alloy magnet yoke blocks (31).
7. The amorphous alloy yoke applied to a high-frequency induction heating furnace according to claim 6, characterized in that: the lower radiating fin (32) is a U-shaped copper sheet.
8. The amorphous alloy yoke applied to a high-frequency induction heating furnace according to claim 7, characterized in that: and two ends of the opening end and the closed end of the lower radiating fin (32) are respectively contacted with two ends and the lower end of the lower part of the induction coil (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797884.1A CN107548176B (en) | 2017-09-06 | 2017-09-06 | Amorphous alloy magnet yoke applied to high-frequency induction heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710797884.1A CN107548176B (en) | 2017-09-06 | 2017-09-06 | Amorphous alloy magnet yoke applied to high-frequency induction heating furnace |
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| Publication Number | Publication Date |
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| CN107548176A CN107548176A (en) | 2018-01-05 |
| CN107548176B true CN107548176B (en) | 2020-09-15 |
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| CN112911747B (en) * | 2021-01-14 | 2022-12-13 | 首钢京唐钢铁联合有限责任公司 | Linear magnetic circuit device and electromagnetic induction heater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2429779Y (en) * | 2000-01-03 | 2001-05-09 | 宋新南 | Electromagnetic induction water heater with multi-pipe ferrous core |
| CN1568528A (en) * | 2001-08-17 | 2005-01-19 | 杰富意钢铁株式会社 | Manufacturing apparatus and manufacturing method for laminated core |
| CN203760266U (en) * | 2014-02-25 | 2014-08-06 | 广东明路电力电子有限公司 | Iron core radiating structure of electric reactor |
| CN106941739A (en) * | 2017-05-18 | 2017-07-11 | 湖南中科电气股份有限公司 | A kind of inductor of continuous heating |
-
2017
- 2017-09-06 CN CN201710797884.1A patent/CN107548176B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2429779Y (en) * | 2000-01-03 | 2001-05-09 | 宋新南 | Electromagnetic induction water heater with multi-pipe ferrous core |
| CN1568528A (en) * | 2001-08-17 | 2005-01-19 | 杰富意钢铁株式会社 | Manufacturing apparatus and manufacturing method for laminated core |
| CN203760266U (en) * | 2014-02-25 | 2014-08-06 | 广东明路电力电子有限公司 | Iron core radiating structure of electric reactor |
| CN106941739A (en) * | 2017-05-18 | 2017-07-11 | 湖南中科电气股份有限公司 | A kind of inductor of continuous heating |
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