CN204404272U - A kind of safety electromagnetic heater - Google Patents
A kind of safety electromagnetic heater Download PDFInfo
- Publication number
- CN204404272U CN204404272U CN201420737299.4U CN201420737299U CN204404272U CN 204404272 U CN204404272 U CN 204404272U CN 201420737299 U CN201420737299 U CN 201420737299U CN 204404272 U CN204404272 U CN 204404272U
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- CN
- China
- Prior art keywords
- electromagnetic
- cap
- wire coil
- radiation proof
- brim
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005855 radiation Effects 0.000 claims abstract description 24
- 238000007669 thermal treatment Methods 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000011514 reflex Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Abstract
The utility model relates to a kind of safety electromagnetic heater, comprise radiation proof housing, be positioned at the electromagnetic wire coil of radiation proof housing, described radiation proof housing comprises upper casing, lower casing and the ELECTROMAGNETIC REFLECTION cap between upper and lower shell, upper casing is provided with the thermal treatment zone, ELECTROMAGNETIC REFLECTION cap is provided with the brim of a hat, cap chamber and cap mouth, electromagnetic wire coil is arranged in cap chamber, and the brim of a hat is fixed on the inner surface of upper casing, and cap mouth is just to the thermal treatment zone.So, the electromagnetic wave that electromagnetic wire coil produces is shielded by ELECTROMAGNETIC REFLECTION cap, achieves the omnibearing radiation proof of electromagnetic wire coil, electromagnetic wave multiple attenuation, reduces the danger of its outside radiation leakage, in addition unbated electromagnetic wave, through cap oral reflex to the bottom of a pan of the thermal treatment zone, improve the efficiency of heating surface.
Description
[technical field]
The utility model relates to a kind of Electromagnetic Heating field, particularly relates to a kind of safety electromagnetic heater.
[background technology]
Because Electromagnetic Heating has efficient characteristic, by general use in field of household appliances.
But, if the Electromagnetic Heating field of high frequency occurs to leak to harm comparatively greatly, although country has formulated the standard of electromagnetic oven magnetic dispersion at present, relatively improve the security performance of electromagnetic oven.But thoroughly do not solve the problem of electromagnetic leakage in the market at all, cause the application of electromagnetic heating technique to receive larger limitation.
[utility model content]
In view of this, the utility model provides a kind of without electromagnetic leakage, safer electromagnetic heater.
A kind of safety electromagnetic heater, comprise radiation proof housing, be positioned at the electromagnetic wire coil of radiation proof housing, described radiation proof housing comprises upper casing, lower casing and the ELECTROMAGNETIC REFLECTION cap between upper and lower shell, upper casing is provided with the thermal treatment zone, ELECTROMAGNETIC REFLECTION cap is provided with the brim of a hat, cap chamber and cap mouth, electromagnetic wire coil is arranged in cap chamber, and the brim of a hat is fixed on the inner surface of upper casing, and cap mouth is just to the thermal treatment zone.
Described radiation proof housing also comprises electromagnetic absorption sheet, and electromagnetic absorption sheet is fixed on the inner side or one-body molded with upper and lower shell of upper and lower shell.
Described ELECTROMAGNETIC REFLECTION cap is positioned at the inner side of electromagnetic absorption sheet.
Sidewall in described cap chamber is provided with reflective steps, and the reflecting surface of reflective steps is towards cap mouth.
The sidewall in described cap chamber tilts to cap mouth.
The bottom center in described cap chamber offers the cable-through hole of electromagnetic wire coil.
The described the brim of a hat and cap chamber is one-body molded or the brim of a hat is fixed on the wall in cap chamber.
The beneficial effects of the utility model:
A kind of safety electromagnetic heater described in the utility model, comprise radiation proof housing, be positioned at the electromagnetic wire coil of radiation proof housing, described radiation proof housing comprises upper casing, lower casing and the ELECTROMAGNETIC REFLECTION cap between upper and lower shell, upper casing is provided with the thermal treatment zone, ELECTROMAGNETIC REFLECTION cap is provided with the brim of a hat, cap chamber and cap mouth, electromagnetic wire coil is arranged in cap chamber, and the brim of a hat is fixed on the inner surface of upper casing, and cap mouth is just to the thermal treatment zone.So, the electromagnetic wave that electromagnetic wire coil produces is shielded by ELECTROMAGNETIC REFLECTION cap, achieves the omnibearing radiation proof of electromagnetic wire coil, electromagnetic wave multiple attenuation, reduces the danger of its outside radiation leakage, in addition unbated electromagnetic wave, through cap oral reflex to the bottom of a pan of the thermal treatment zone, improve the efficiency of heating surface.
Radiation proof housing described in the utility model also comprises electromagnetic absorption sheet, and electromagnetic absorption sheet is fixed on the inner side or one-body molded with upper and lower shell of upper and lower shell.So, by increasing electromagnetic absorption sheet by further for the electromagnetic wave of partial compromise Assimilation and conductivity to the pan on electromagnetic heater, add its efficiency, the simultaneously the strongest effect of electromagnetic shielding.Further, described ELECTROMAGNETIC REFLECTION cap is positioned at the inner side of electromagnetic absorption sheet.
Further, the sidewall in described cap chamber is provided with reflective steps, and the reflecting surface of reflective steps is towards cap mouth.So, electromagnetic wave through reflective steps can the reflection of beeline to the pan at cap mouth place, not only avoid leaking but also significantly improving efficiency.As a same reason, the sidewall in described cap chamber tilts to cap mouth.
In addition, the center of the corresponding electromagnetic wire coil in the bottom surface in cap chamber described in the utility model offers the cable-through hole of electromagnetic wire coil.The magnetic field intensity of its center of electromagnetic wire coil of electromagnetic heater is low, offers cable-through hole or louvre herein, also minimum to extraradial magnetic field intensity by this hole.
Further, the described the brim of a hat and cap chamber one-body molded, integrated formed structure is simple, and stock utilization is high, and cost is low, can realize seamless shielding, best results.Certainly, the described the brim of a hat also can be fixed on the wall in cap chamber.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the generalized section of a kind of safety electromagnetic heater first of the utility model embodiment;
Fig. 2 is the ELECTROMAGNETIC REFLECTION cap profile of Fig. 1;
Fig. 3 is the ELECTROMAGNETIC REFLECTION cap profile of a kind of safety electromagnetic heater second of the utility model embodiment;
Fig. 4 is the ELECTROMAGNETIC REFLECTION cap profile of a kind of safety electromagnetic heater the 3rd of the utility model embodiment.
[detailed description of the invention]
Embodiment one:
See also the first embodiment of a kind of safety electromagnetic heater of the utility model shown in Fig. 1, Fig. 2, the present embodiment sets forth the beneficial effects of the utility model for electromagnetic oven.Described a kind of safety electromagnetic heater, comprise radiation proof housing 11, be positioned at the electromagnetic wire coil 12 of radiation proof housing 11, described radiation proof housing comprises upper casing 13, lower casing 14 and the ELECTROMAGNETIC REFLECTION cap 15 between upper and lower shell, upper casing 13 is provided with the thermal treatment zone, ELECTROMAGNETIC REFLECTION cap 15 is provided with the brim of a hat 151, cap chamber 152 and cap mouth 153, electromagnetic wire coil 12 is arranged in cap chamber 151, and the brim of a hat 152 is fixed on the inner surface of upper casing 13, and cap mouth 153 is just to the thermal treatment zone.
Described radiation proof housing 11 also comprises electromagnetic absorption sheet 16, and electromagnetic absorption sheet 16 is fixed on the inner side of upper and lower shell.ELECTROMAGNETIC REFLECTION cap 15 is positioned at the inner side of electromagnetic absorption sheet 16.So, double-deck electromagnetic armouring structure is formed.And the electromagnetic wave that electromagnetic absorption sheet 16 is also opened other electronic devices such as the control circuit of electromagnetic heater produce shields, the radiation-resistant better effects if of electromagnetism.
In present embodiment, the center of the corresponding electromagnetic wire coil 12 in bottom surface in described cap chamber 152 offers the cable-through hole of electromagnetic wire coil.By this cable-through hole connection control circuit board, reduce cable-through hole to greatest extent and reveal electromagnetic risk.Certainly, also louvre can be offered in this position.
The brim of a hat 151 described in present embodiment and cap chamber 152 one-body molded.So, one flat plate punching press is only needed can to realize this structure.Manufacture craft is simple, and structure is simply easy for installation, and cost is low.Certainly, the brim of a hat also separately can make with cap chamber, and the brim of a hat is fixed on the wall in cap chamber.
In addition, the ELECTROMAGNETIC REFLECTION cap 15 described in present embodiment is that copper, aluminium or albronze are made.Can certainly be that other material with good conductive characteristic is made.Described electromagnetic absorption sheet 16 is the thin slice that iron, graphite, ferrite or stainless steel are made.Certainly, also can be that other material with good permeance is made.This nonessential material is equivalent replaces change also in the utility model protection domain.
Operationally, the magnetic field of its alternation, because of harmonic wave effect, creates the electromagnetic wave of 10Hz-400KHz to electromagnetic heater, and the utility model has carried out comprehensive isolation processing for the electromagnetic wave of above-mentioned judgement.First, ELECTROMAGNETIC REFLECTION cap 15 of the present utility model, by being greater than the frequency electromagnetic waves shielding of 100KHz in electromagnetic heater, making it by reflection loss, reduces the risk that it is revealed.Secondly the electromagnetic wave revealed by ELECTROMAGNETIC REFLECTION sheet for low-frequency electromagnetic wave or the part lower than 100KHz to the pan on electromagnetic heater by electromagnetic absorption sheet Assimilation and conductivity, is added its efficiency, prevents electromagnetic wave leakage simultaneously.Through actual verification, adopt electromagnetic heater electromagnetic wave leakage of the present utility model well below traditional electromagnetic heater, by GB testing result electromagnetic radiation of the present utility model value lower than traditional electromagnetic heater electromagnetic radiation value 1/5.
The present embodiment has only set forth effect of the present utility model for electromagnetic oven, is appreciated that structure of the present utility model also can be used on the rice cooker of Electromagnetic Heating, pressure cooker, other household appliances such as electric food warmer or soy bean milk making machine.This nonessential change is also in the utility model protection domain.
ELECTROMAGNETIC REFLECTION cap 15 is set in electromagnetic heater of the present utility model, electromagnetic wire coil 12 is arranged in cap chamber 152, realization like this is to the disposition of electromagnetic wire coil, decrease electromagnetic exposure, and the electromagnetic wave multiple reflections rear portion decay in ELECTROMAGNETIC REFLECTION cap 15, part reflection, to the bottom of a pan to be heated, improves efficiency.Further, also by arranging electromagnetic absorption sheet 16, by partially pass through ELECTROMAGNETIC REFLECTION cap 15 low frequency magnetic field again through electromagnetic absorption sheet 16 Assimilation and conductivity to by the pan heated, namely achieve good electromagnetic shielding, promote again the thermal efficiency of the electromagnetic heater with electromagnetic shielding.
Embodiment two:
Refer to the second embodiment of a kind of safety electromagnetic heater of the utility model shown in Fig. 3, they are different from the first embodiment is: the sidewall in described cap chamber 151 tilts to cap mouth 153.So, the sidewall of inclination is set, improves the volume reflection of electromagnetic wave to cap mouth 153 further, namely improve the amount of electromagnetic wave towards the bottom of a pan to be heated, and then improving energy efficiency.
In present embodiment, other structure and beneficial effect are all consistent with the first embodiment, repeat no more here.
Embodiment three:
Refer to the 3rd embodiment of a kind of safety electromagnetic heater of the utility model shown in Fig. 4, they are different from the second embodiment is: the sidewall in described cap chamber 151 is provided with reflective steps 31, and the reflecting surface of reflective steps 31 is towards cap mouth 153.So, reflective steps 31 is set and improves the volume reflection of electromagnetic wave to cap mouth 153 further, namely improve the amount of electromagnetic wave towards the bottom of a pan to be heated, and then improving energy efficiency.
In present embodiment, other structure and beneficial effect are all consistent with the second embodiment, repeat no more here.
Claims (7)
1. a safety electromagnetic heater, comprise radiation proof housing, be positioned at the electromagnetic wire coil of radiation proof housing, it is characterized in that: described radiation proof housing comprises upper casing, lower casing and the ELECTROMAGNETIC REFLECTION cap between upper and lower shell, upper casing is provided with the thermal treatment zone, ELECTROMAGNETIC REFLECTION cap is provided with the brim of a hat, cap chamber and cap mouth, electromagnetic wire coil is arranged in cap chamber, and the brim of a hat is fixed on the inner surface of upper casing, and cap mouth is just to the thermal treatment zone.
2. a kind of safety electromagnetic heater as claimed in claim 1, is characterized in that, described radiation proof housing also comprises electromagnetic absorption sheet, and electromagnetic absorption sheet is fixed on the inner side or one-body molded with upper and lower shell of upper and lower shell.
3. a kind of safety electromagnetic heater as claimed in claim 2, it is characterized in that, described ELECTROMAGNETIC REFLECTION cap is positioned at the inner side of electromagnetic absorption sheet.
4. a kind of safety electromagnetic heater as claimed in claim 1, is characterized in that, the sidewall in described cap chamber is provided with reflective steps, and the reflecting surface of reflective steps is towards cap mouth.
5. a kind of safety electromagnetic heater as claimed in claim 1, is characterized in that, the sidewall in described cap chamber tilts to cap mouth.
6. a kind of safety electromagnetic heater as claimed in claim 1, is characterized in that, the center of the corresponding electromagnetic wire coil in bottom surface in described cap chamber offers the cable-through hole of electromagnetic wire coil.
7. a kind of safety electromagnetic heater as claimed in claim 1, is characterized in that, the described the brim of a hat and cap chamber is one-body molded or the brim of a hat is fixed on the wall in cap chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420737299.4U CN204404272U (en) | 2014-12-01 | 2014-12-01 | A kind of safety electromagnetic heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420737299.4U CN204404272U (en) | 2014-12-01 | 2014-12-01 | A kind of safety electromagnetic heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204404272U true CN204404272U (en) | 2015-06-17 |
Family
ID=53428124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420737299.4U Active CN204404272U (en) | 2014-12-01 | 2014-12-01 | A kind of safety electromagnetic heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204404272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016387A (en) * | 2016-07-28 | 2016-10-12 | 杭州信多达电器有限公司 | Structure capable of reducing radiation of induction cooker |
| CN106131991A (en) * | 2016-07-28 | 2016-11-16 | 杭州信多达电器有限公司 | A kind of have the wire coil component around radiation-screening function |
-
2014
- 2014-12-01 CN CN201420737299.4U patent/CN204404272U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016387A (en) * | 2016-07-28 | 2016-10-12 | 杭州信多达电器有限公司 | Structure capable of reducing radiation of induction cooker |
| CN106131991A (en) * | 2016-07-28 | 2016-11-16 | 杭州信多达电器有限公司 | A kind of have the wire coil component around radiation-screening function |
| CN106016387B (en) * | 2016-07-28 | 2018-06-15 | 杭州信多达电器有限公司 | A kind of structure for reducing electromagnetic oven radiation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 250118 999 Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Joyoung Company Limited Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: Joyoung Company Limited |