CN201230815Y - Radiation-proof electromagnetical heating device - Google Patents
Radiation-proof electromagnetical heating device Download PDFInfo
- Publication number
- CN201230815Y CN201230815Y CNU2008201208878U CN200820120887U CN201230815Y CN 201230815 Y CN201230815 Y CN 201230815Y CN U2008201208878 U CNU2008201208878 U CN U2008201208878U CN 200820120887 U CN200820120887 U CN 200820120887U CN 201230815 Y CN201230815 Y CN 201230815Y
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- bowl
- magnetic field
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Abstract
A radiation protection electromagnetic heating device comprises a pot and a coil, wherein a series of magnetic strips is arranged below the coil, and the outer ends of all the magnetic strips tilt outwards and are combined to form a bowl-shaped structure covered at the outer side of the lower part of the pot; and the coil above the magnetic strips is correspondingly combined to form a bowl-shaped structure which is covered at the outer side of the lower part of the pot. The coil which can generate an alternating magnetic field is arranged into the bowl-shaped structure according to the shape of the bottom of the pot to be covered at the lower part of the pot, thereby the heating surface can be increased and the utilization rate of the magnetic field can be enhanced; all the magnetic strips are radially arranged outside the coil and are combined to form the bowl-shaped structure covered at the lower part of the pot, and two sides of each magnetic strip are provided with inner convex shapes along the magnetic lines, thereby the possibility that the magnetic lines of the magnetic field radiate outwards can be minimized and the electric energy utilization rate can be increased.
Description
Technical field
The utility model belongs to kitchen small household appliances technical field of heating, is specifically related to a kind of radiation-resisting electromagnetic heater.
Background technology
At present, heating class kitchen small household appliances adopt electromagnetic induction heating technology to be used widely, but exist utilization rate of electrical not high, the big phenomenon of electromagnetic radiation.In the traditional processing technology, adopt the magnetic stripe that below the coil that produces magnetic field, increases some radially mostly.Such structure helps to reduce the outside radiation in magnetic field, but amount of radiation is still bigger.
Patent of the present invention is at above-mentioned deficiency, has done following improvement.1, according to settings that take the shape of the letter U in the space of pan bottom shape, make it cover on pan sidepiece and bottom the coil that produces alternating magnetic field, increase heating surface area, enhancing magnetic field utilization rate; 2, according to the pan shape, also U-shaped is arranged in a plurality of magnetic stripe combinations, radial distribution is outside coil, and each magnetic stripe two ends is provided with along the inwardly protruded shape of magnetic line of force direction, reduces magnetic field magnetic line to greatest extent to extraradial possibility, increases utilization rate of electrical.
Summary of the invention
It is not high that the utility model will solve electromagnetic induction heating class kitchen small household electrical appliance heat energy utilization rate, the problem that electromagnetic radiation is bigger, provide a kind of with magnetic stripe, the synthetic bowl structure of coil groups, cover on the radiation-resisting electromagnetic heater of pan bottom, reduce magnetic field magnetic line to greatest extent to extraradial possibility, increase utilization rate of electrical.
The technical scheme that its technical problem that solves the utility model adopts is:
This radiation-resisting electromagnetic heater comprises pan, coil, and the below of coil is provided with one group of magnetic stripe, and the outside perk in the outer end of all magnetic stripes is combined to form a bowl structure, and this bowl structure covers on the outside, bottom of pan; The coil that is positioned at the magnetic stripe top also correspondingly is combined to form a bowl structure, covers on the outside, bottom of pan.
Further, the two ends of magnetic stripe are provided with inside projection.
The beneficial effects of the utility model mainly show: the coil that the utility model will produce alternating magnetic field is bowl-shape setting according to the pan bottom shape in the space, make it cover on the pan bottom, has increased heating surface area, has strengthened the magnetic field utilization rate.All magnetic stripe radial distribution are outside coil, also combined shaped becomes bowl-shape, covers on the pan bottom, and each magnetic stripe two ends is provided with along the inwardly protruded shape of magnetic line of force direction, reduce magnetic field magnetic line to greatest extent to extraradial possibility, increase utilization rate of electrical.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of looking up of the present utility model.
Description of reference numerals: magnetic stripe 1; Projection 1-1; Coil 2; The magnetic line of force 3; Pan 4.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done and to be described in further detail:
As shown in the figure, this radiation-resisting electromagnetic heater comprises pan 4, coil 2, and the below of coil 2 is provided with one group of magnetic stripe 1, and the space also is distributed with the sightless magnetic line of force 3.The outside perk in the outer end of all magnetic stripes 1 is combined to form a bowl structure, and this bowl structure covers on the outside, bottom of pan 4.The coil 2 that is positioned at magnetic stripe 1 top also correspondingly is combined to form a bowl structure, covers on the outside, bottom of pan 4.Coil 2, magnetic stripe 1 are combined into bowl structure, cover on the outside, pan bottom, have increased heating surface area, strengthened the magnetic field utilization rate, have reduced electromagnetic radiation.The two ends of magnetic stripe 1 are provided with along the inside protruding 1-1 of magnetic line of force direction, and the guiding magnetic line of force 3 distributes as much as possible to the inside, reaches the purpose that reduces magnetic field radiation, has increased utilization rate of electrical simultaneously.
Below we according to electromagnetic induction principle, the course of work is set forth.During work, coil 2 inserts alternating source, according to electromagnetic principle, makes coil 2 produce an alternating magnetic field on every side.Be set in this magnetic field owing to contain the pan 4 of irony composition, and have cutting, so just can produce induced-current on the pan, form countless little eddy current with the magnetic line of force.These little eddy current flow on pan 4 and are converted into heat energy, pass to the foodstuff of heating, have reached the purpose of culinary art.
Distribution of Magnetic Field has a characteristic: the magnetic line of force can preferentially distribute in the little medium of magnetic reluctance.According to this characteristic, this patent is provided with at the magnetic stripe two ends along the inside protruding 1-1 of magnetic line of force direction, because magnetic stripe is to be made by the magnetic reluctance material lower than air, so magnetic stripe projection 1-1 is to the effect that the guiding magnetic line of force distributes to the inside that has in magnetic field, realize reducing as far as possible magnetic field to extraradial purpose, increased utilization rate of electrical simultaneously.
Claims (2)
1, a kind of radiation-resisting electromagnetic heater, comprise pan (4), coil (2), the below of coil (2) is provided with one group of magnetic stripe (1), it is characterized in that: the outside perk in outer end of all magnetic stripes (1), be combined to form a bowl structure, this bowl structure covers on the outside, bottom of pan (4); The coil (2) that is positioned at magnetic stripe (1) top also correspondingly is combined to form a bowl structure, covers on the outside, bottom of pan (4).
2, radiation-resisting electromagnetic heater according to claim 1 is characterized in that: the two ends of described magnetic stripe (1) are provided with inside projection (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201208878U CN201230815Y (en) | 2008-07-03 | 2008-07-03 | Radiation-proof electromagnetical heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201208878U CN201230815Y (en) | 2008-07-03 | 2008-07-03 | Radiation-proof electromagnetical heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201230815Y true CN201230815Y (en) | 2009-05-06 |
Family
ID=40617189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201208878U Expired - Lifetime CN201230815Y (en) | 2008-07-03 | 2008-07-03 | Radiation-proof electromagnetical heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201230815Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102813454A (en) * | 2012-08-28 | 2012-12-12 | 淮南联合大学 | Electromagnetic heating safe energy-saving noodle stewing machine |
| CN103796558A (en) * | 2011-06-14 | 2014-05-14 | C·麦加维 | Induction heating device for heating a liquid |
-
2008
- 2008-07-03 CN CNU2008201208878U patent/CN201230815Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796558A (en) * | 2011-06-14 | 2014-05-14 | C·麦加维 | Induction heating device for heating a liquid |
| CN102813454A (en) * | 2012-08-28 | 2012-12-12 | 淮南联合大学 | Electromagnetic heating safe energy-saving noodle stewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090506 |