CN102069175B - Plug-in cylindrical traveling wave magnetic field sensor for casting - Google Patents
Plug-in cylindrical traveling wave magnetic field sensor for casting Download PDFInfo
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- CN102069175B CN102069175B CN 201110025745 CN201110025745A CN102069175B CN 102069175 B CN102069175 B CN 102069175B CN 201110025745 CN201110025745 CN 201110025745 CN 201110025745 A CN201110025745 A CN 201110025745A CN 102069175 B CN102069175 B CN 102069175B
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Abstract
The invention provides a plug-in cylindrical traveling wave magnetic field sensor for casting, and relates to a magnetic field sensor, which solves the problems of low mold-filling capacity on metal, and low metal solution feeding capacity during metal solution solidification of the conventional magnetic field sensor. N iron-core magnetic pole tooth discs and 3M iron-core magnetic yoke discs of the magnetic field sensor are arranged compactly; the upper end and the lower end of the magnetic field sensor are provided with the iron-core magnetic pole tooth discs; a set of electromagnetic coils are wound on the iron-core magnetic yoke disc between two adjacent iron-core magnetic pole tooth discs; K sensing areas are divided between the two iron-core magnetic pole tooth discs at the top end and the bottom end of the magnetic field sensor; each sensing area is provided with one or more iron-core magnetic yoke discs; and one or more iron-core magnetic pole tooth discs are arranged between adjacent sensing areas. The plug-in cylindrical traveling wave magnetic field sensor for casting is applicable for the process of casting precision accessories and parts.
Description
Technical field
The present invention relates to a kind of magnetic sensors.
Background technology
Along with the develop rapidly of modern science and technology, Birmasil is as traditional metal material, because little, the specific strength high of its density still occupies critical role in industries such as Aeronautics and Astronautics, automobile, machine-building.Traction along with social demand and scientific and technological progress; particularly in recent years because the requirement of the strategy of sustainable development and the increasingly stringent of legislations of environmental protection; the industry requirement designs of part such as Aeronautics and Astronautics, automobile, boats and ships, weapons, electronics are reasonable; weight reduction; realize few cutting or without cutting; to reduce cost, boost productivity.Comply with such requirement, the precision aluminium-alloy foundry goods is towards large-scale, thin-walled, general direction development.The production of large thin-wall single-casting is a vital task in the machine-building, and it can guarantee that foundry goods has stronger competitiveness and wider range of application, can replace the workpiece that some other methods are produced, such as forging, stamping parts, rolled-up stock, weldment.After blank is machined, again it is welded into sub-assembly, will be subject to the impact of machining and welding procedure, the complexity of parts is restricted; And by the machined part of forging, then need to excise a large amount of metals, thus cause the very large waste of metal material, and performance decreases; Use precision casting technology that the very complicated parts one-step casting of structure is shaped, can be assembled on the machine through machining slightly, can greatly improve the utilization rate of material like this, thereby significantly reduce the manufacturing cost of product.But the thin-wall part area of dissipation is large, and setting rate is fast, causes the liquid metal mold-filling capacity poor, therefore must adopt the special type technology of filling.Under the normal gravity pouring condition, adopt the travelling-magnetic-field foundry engieering can greatly improve molten metal pressure head and filling casting mold ability, produce high-quality thin-wall aluminum alloy foundry goods.Therefore being directed to the characteristics that present tube-like thin-wall component fills the type difficulty, particularly bigbore cylindrical member, is to improve mold-filling capacity, increases the feeding capacity in the process of setting, just need a kind of can the adjustable cylindricality travelling-magnetic-field inductor of plug-in type.
Summary of the invention
The present invention be for solve existing magnetic sensors relatively poor to the mold-filling capacity of metal, in metal liquid solidification process the problem lower to the feeding capacity of molten metal, thereby provide a kind of casting with plug-in type cylindricality travelling-magnetic-field inductor.
A kind of casting plug-in type cylindricality travelling-magnetic-field inductor, it comprises N core magnetic pole fluted disc, a 3M iron core yoke dish and 3M group solenoid, N core magnetic pole fluted disc and 3M iron core yoke dish be close-packed arrays from top to bottom, and described N core magnetic pole fluted disc is coaxial with 3M iron core yoke dish, described be positioned at topmost and bottom be the core magnetic pole fluted disc; 3M group solenoid closely is wrapped in respectively on 3M the iron core yoke dish; The maximum gauge of all solenoids all equates, and is equal to the external diameter of core magnetic pole fluted disc; Described 3M group solenoid forms three-phase symmetric winding; N is the integer greater than 3, and M is positive integer; Be divided into K induction zone topmost and between two core magnetic pole fluted discs bottom, described each induction zone comprises one or more iron core yoke dishes, is one or more core magnetic pole fluted discs between the adjacent induction zone; K is the integer more than or equal to 3.
Beneficial effect: the present invention in use, directly extend into metal bath inside, can produce larger electromagnetic force in metal bath inside by the action at a distance to metal bath, thereby improve the metal mold-filling capacity, and in being implemented in process of setting, improve the feeding capacity of molten metal.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention three; Fig. 2 is the structural representation of the specific embodiment of the invention four; Fig. 3 is the structural representation of the specific embodiment of the invention five; Fig. 4 is the structural representation of the specific embodiment of the invention six; Fig. 5 is the structural representation of the specific embodiment of the invention seven.
The specific embodiment
The specific embodiment one, in conjunction with Fig. 1 this specific embodiment is described, a kind of casting plug-in type cylindricality travelling-magnetic-field inductor, it comprises N core magnetic pole fluted disc 1, a 3M iron core yoke dish 2 and 3M group solenoid 3, N core magnetic pole fluted disc 1 and 3M iron core yoke dish 2 be close-packed arrays from top to bottom, and described N core magnetic pole fluted disc 1 is coaxial with 3M iron core yoke dish 2, described be positioned at topmost and bottom be core magnetic pole fluted disc 1; 3M group solenoid 3 closely is wrapped in respectively on 3M the iron core yoke dish 2; The maximum gauge of all solenoids 3 all equates, and is equal to the external diameter of core magnetic pole fluted disc 1; Described 3M group solenoid 3 forms three-phase symmetric winding; N is the integer greater than 3, and M is positive integer; Be divided into K induction zone topmost and between two core magnetic pole fluted discs 1 bottom, described each induction zone comprises one or more iron core yoke dishes 2, is one or more core magnetic pole fluted discs 1 between the adjacent induction zone; K is the integer more than or equal to 3.
The travelling-magnetic-field inductor operation principle is the same with asynchronous machine internal magnetic field generation principle, and travelling-magnetic-field inductor is similar to linear electric motors, and all the stator by asynchronous machine develops.If the stator of asynchronous machine is cut open vertically and is flattened, excite the planar inductor of travelling-magnetic-field, make originally along the rotating excitation field of circumference rotation to become the travelling-magnetic-field of advancing to a direction.
The described cylindricality travelling-magnetic-field inductor of present embodiment, can be by changing at up and down the iron core yoke dish between two core magnetic pole fluted discs and quantity and the distributing order of core magnetic pole fluted disc, just can change the magnetic field structure that travelling-magnetic-field inductor adapts to, for example: can obtain the travelling-magnetic-field inductor structure that the electromagnetism motive force is successively decreased from top to down, can also obtain structure that the electromagnetism motive force increases progressively from top to down etc., so that the described magnetic sensors of present embodiment makes all scopes wide.
Travelling-magnetic-field is to be formed by the magnetic field superposition that all solenoids 3 form, and different aligning methods can produce different Overlays.
The specific embodiment two, this specific embodiment and the specific embodiment one described a kind of difference of casting with plug-in type cylindricality travelling-magnetic-field inductor are that every group of solenoid 3 composes in parallel by 4 groups of small coils.
The specific embodiment three, in conjunction with Fig. 1 this specific embodiment is described, this specific embodiment is with the specific embodiment one or two described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor, 3M equals N-1, and described N core magnetic pole fluted disc 1 and 3M iron core yoke dish 2 are alternately.
The structure of the described cylindricality travelling-magnetic-field inductor of present embodiment is the uniform structure of a kind of acquisition electromagnetism motive force.
The specific embodiment four, in conjunction with Fig. 2 this specific embodiment is described, this specific embodiment is with the specific embodiment one or two described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor, according to order from top to bottom, the quantity of the iron core yoke dish 2 in K induction zone increases progressively.
The structure of the described cylindricality travelling-magnetic-field inductor of present embodiment is a kind of structure that the electromagnetism motive force increases progressively from top to down that obtains.
The specific embodiment five, in conjunction with Fig. 3 this specific embodiment is described, this specific embodiment is with the specific embodiment four described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor, according to order from top to bottom, the quantity of the core magnetic pole fluted disc 1 between the adjacent induction zone is successively decreased.
The specific embodiment six, in conjunction with Fig. 4 this specific embodiment is described, this specific embodiment is with the specific embodiment four described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor, according to order from top to bottom, the quantity of the iron core yoke dish 2 in K induction zone is successively decreased.
The structure of the described cylindricality travelling-magnetic-field inductor of present embodiment is a kind of structure that the electromagnetism motive force is successively decreased from top to down that obtains.
The specific embodiment seven, in conjunction with Fig. 5 this specific embodiment is described, this specific embodiment is with the specific embodiment four described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor, according to order from top to bottom, the quantity of the core magnetic pole fluted disc 1 between the adjacent induction zone increases progressively.
The specific embodiment eight, this specific embodiment and the specific embodiment one, two, five, six or seven described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor are, described a kind of casting plug-in type cylindricality travelling-magnetic-field inductor, it is characterized in that it also comprises two trim rings, compress by two trim rings that are positioned at upper/lower terminal between N core magnetic pole fluted disc 1 and 3M iron core yoke dish 2.
The specific embodiment nine, this specific embodiment and the specific embodiment eight described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor are, it also comprises instlated tubular 4, and described instlated tubular 4 is enclosed within the circumferential outside of the cylinder of N core magnetic pole fluted disc 1, a 3M iron core yoke dish 2 and 3 formation of 3M group solenoid.
The high temperature that the integral body that present embodiment forms N core magnetic pole fluted disc 1, a 3M iron core yoke dish 2 and 3M group solenoid 3 by instlated tubular 4 effective barrier metal melts causes damages.
The specific embodiment ten, this specific embodiment and the specific embodiment one, two, five, six, seven or nine described a kind of differences of casting with plug-in type cylindricality travelling-magnetic-field inductor are that N core magnetic pole fluted disc 1 and 3M iron core yoke dish 2 all adopt the permeability magnetic material of ultralow anti-consumption to make.
Claims (9)
1. a casting is with plug-in type cylindricality travelling-magnetic-field inductor, it is characterized in that: it comprises N core magnetic pole fluted disc (1), a 3M iron core yoke dish (2) and 3M group solenoid (3), N core magnetic pole fluted disc (1) and 3M iron core yoke dish (2) be close-packed arrays from top to bottom, and described N core magnetic pole fluted disc (1) is coaxial with 3M iron core yoke dish (2), be positioned at topmost and bottom be core magnetic pole fluted disc (1); 3M group solenoid (3) closely is wrapped in respectively on 3M the iron core yoke dish (2); The maximum gauge of all solenoids (3) all equates, and is equal to the external diameter of core magnetic pole fluted disc (1); Described 3M group solenoid (3) forms three-phase symmetric winding; N is the integer greater than 3, and M is positive integer; Be divided into K induction zone topmost and between two core magnetic pole fluted discs (1) bottom, described each induction zone has one or more iron core yoke dishes (2), is one or more core magnetic pole fluted discs (1) between the adjacent induction zone; K is the integer more than or equal to 3.
2. a kind of casting according to claim 1 is characterized in that with plug-in type cylindricality travelling-magnetic-field inductor every group of solenoid (3) composes in parallel by 4 small coils.
3. a kind of casting according to claim 1 and 2 is characterized in that with plug-in type cylindricality travelling-magnetic-field inductor 3M equals N-1, and described N core magnetic pole fluted disc (1) and 3M iron core yoke dish (2) are alternately.
4. a kind of casting according to claim 1 and 2 is characterized in that with plug-in type cylindricality travelling-magnetic-field inductor, and according to order from top to bottom, the quantity of the iron core yoke dish (2) in K induction zone increases progressively.
5. a kind of casting according to claim 4 is characterized in that with plug-in type cylindricality travelling-magnetic-field inductor according to order from top to bottom, the quantity of the core magnetic pole fluted disc (1) between the adjacent induction zone is successively decreased.
6. a kind of casting according to claim 1 and 2 is characterized in that with plug-in type cylindricality travelling-magnetic-field inductor, and according to order from top to bottom, the quantity of the iron core yoke dish (2) in K induction zone is successively decreased.
7. a kind of casting according to claim 6 is characterized in that with plug-in type cylindricality travelling-magnetic-field inductor according to order from top to bottom, the quantity of the core magnetic pole fluted disc (1) between the adjacent induction zone increases progressively.
8. according to claim 1,2,5 or 7 described a kind of castings plug-in type cylindricality travelling-magnetic-field inductors, it is characterized in that it also comprises two trim rings, compress by two trim rings that are positioned at upper/lower terminal between N core magnetic pole fluted disc (1) and 3M the iron core yoke dish (2).
9. a kind of casting according to claim 8 is with plug-in type cylindricality travelling-magnetic-field inductor, it is characterized in that it also comprises instlated tubular (4), described instlated tubular (4) is enclosed within the periphery of the cylinder of N core magnetic pole fluted disc (1), a 3M iron core yoke dish (2) and 3M group solenoid (3) formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110025745 CN102069175B (en) | 2011-01-24 | 2011-01-24 | Plug-in cylindrical traveling wave magnetic field sensor for casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110025745 CN102069175B (en) | 2011-01-24 | 2011-01-24 | Plug-in cylindrical traveling wave magnetic field sensor for casting |
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| Publication Number | Publication Date |
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| CN102069175A CN102069175A (en) | 2011-05-25 |
| CN102069175B true CN102069175B (en) | 2013-01-02 |
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| CN 201110025745 Expired - Fee Related CN102069175B (en) | 2011-01-24 | 2011-01-24 | Plug-in cylindrical traveling wave magnetic field sensor for casting |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106216642A (en) * | 2016-09-18 | 2016-12-14 | 常州机电职业技术学院 | Progressive-pitch traveling wave magnetic field casting equipment and casting method |
Citations (5)
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|---|---|---|---|---|
| CN86104510A (en) * | 1986-07-04 | 1988-01-13 | 中国科学院力学研究所 | Combined multi-functional liquid metal electric magnetic stirrer |
| CN1208317A (en) * | 1997-08-10 | 1999-02-17 | 大连理工大学 | Composite electromagnetic inductor for electromagnetic casting |
| CN2752271Y (en) * | 2004-06-11 | 2006-01-18 | 上海大学 | Metal melt bidirectional rotary magnetic field stirring purifier |
| CN201151734Y (en) * | 2007-11-09 | 2008-11-19 | 湖南科美达电气有限公司 | Furnace bottom electromagnetic stirrer with concentrated short-distance winding |
| CN201308825Y (en) * | 2008-11-28 | 2009-09-16 | 湖南岳磁高新科技有限公司 | Roller rear type single-side traveling wave magnetic field electromagnetic stirrer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61253152A (en) * | 1985-05-02 | 1986-11-11 | Nippon Steel Corp | Separation type electromagnetic stirrer in continuous casting installation |
| US4739775A (en) * | 1986-09-26 | 1988-04-26 | Kimberly-Clark Corporation | Wrapper constructions for self-extinguishing and reduced ignition proclivity smoking articles |
| CN2204670Y (en) * | 1994-10-19 | 1995-08-09 | 大连星光电磁铁厂 | Electromagnetic mixer |
| CN1110389C (en) * | 2000-07-17 | 2003-06-04 | 哈尔滨工业大学 | Apparatus and method for electromagnetic pressure casting of great integral Al-alloy parts |
| CN101704075B (en) * | 2009-11-13 | 2011-12-21 | 江苏大学 | Method for synthesizing aluminum-based composite material by multielement magnetic field combined fusant reaction |
-
2011
- 2011-01-24 CN CN 201110025745 patent/CN102069175B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104510A (en) * | 1986-07-04 | 1988-01-13 | 中国科学院力学研究所 | Combined multi-functional liquid metal electric magnetic stirrer |
| CN1208317A (en) * | 1997-08-10 | 1999-02-17 | 大连理工大学 | Composite electromagnetic inductor for electromagnetic casting |
| CN2752271Y (en) * | 2004-06-11 | 2006-01-18 | 上海大学 | Metal melt bidirectional rotary magnetic field stirring purifier |
| CN201151734Y (en) * | 2007-11-09 | 2008-11-19 | 湖南科美达电气有限公司 | Furnace bottom electromagnetic stirrer with concentrated short-distance winding |
| CN201308825Y (en) * | 2008-11-28 | 2009-09-16 | 湖南岳磁高新科技有限公司 | Roller rear type single-side traveling wave magnetic field electromagnetic stirrer |
Non-Patent Citations (1)
| Title |
|---|
| JP昭61-253152A 1986.11.11 |
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