CN100581336C - Radiation elimination device for electromagnetic furnace without radiation - Google Patents
Radiation elimination device for electromagnetic furnace without radiation Download PDFInfo
- Publication number
- CN100581336C CN100581336C CN200710109398A CN200710109398A CN100581336C CN 100581336 C CN100581336 C CN 100581336C CN 200710109398 A CN200710109398 A CN 200710109398A CN 200710109398 A CN200710109398 A CN 200710109398A CN 100581336 C CN100581336 C CN 100581336C
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- Prior art keywords
- radiation
- pot body
- absorption layer
- pad
- radiation absorption
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- 230000005855 radiation Effects 0.000 title claims abstract description 68
- 230000008030 elimination Effects 0.000 title description 6
- 238000003379 elimination reaction Methods 0.000 title description 6
- 238000010521 absorption reaction Methods 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 18
- 230000005674 electromagnetic induction Effects 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000011011 black crystal Substances 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 18
- 238000010411 cooking Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 30
- 239000002184 metal Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 15
- 230000005291 magnetic effect Effects 0.000 description 12
- 230000006870 function Effects 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The apparatus comprises; a case bottom cap, a case upper cap, a supporting panel, a cooking kettle, a kettle cushion, a radiation absorbing layer, a electromagnetic switch working circuit and a power earth line. In the case there is a radiation absorbing layer, and the functional device of the induction cooker is mounted in the case; the power earth line is connected to the radiation absorbing layer and the kettle body; the kettle cushion and the radiation absorbing layer forms a shielded enclosure used for absorbing the electromagnetic radiation generated by the electronic circuit. The absorbed electromagnetic radiation is released through the power earth line.
Description
Technical field
The present invention relates to shield the field that reduces or eliminate the electric equipment electromagnetic radiation, especially a kind of irradiation eliminating apparatus that electromagnetic radiation can be shielded the non-radiation electromagnetic oven that absorbs and eliminate by the earth connection in the power supply.
Technical background
In recent years, electromagnetic oven has entered huge numbers of families because of its heat efficiency height becomes the household electrical appliances rising star.Its operation principle is: AC power is converted to direct current through rectifier, make direct current become the high-frequency alternating current of 20-30KHZ through the High frequency power transducer again, again high-frequency alternating current is added on the electromagnetic induction coil of flat cored screw shape, produce high-frequency alternating magnetic field thus, its magnetic line of force penetrates the heat-resisting support panel of stove and accessory housing top setting and acts on the metal pan that is placed on this support panel, at the metal bottom of pot body eddy current powerful because of electromagnetic induction produces, the internal resistance that eddy current overcomes the bottom of a pan produces thermal source.Electromagnetic oven work that is to say as long as just must have the substantial radiation source that the low frequency of the high frequency of 20-30KHZ and 220V is superimposed.The electromagnetic radiation meeting of electromagnetic oven causes adverse effect to people's cognition of close contact electromagnetic oven, and the research staff has proposed many technical schemes to solve electromagnetic radiation for this reason.For example, disclose " a kind of electromagnetic oven " in the Chinese utility model patent specification of the CN2682767Y of on March 2nd, 2005 bulletin, its technical scheme comprises body of heater and platen, and platen is fixed on the body of heater, the body of heater surface-coated has metal coating, and the metal in the metal coating is a nickel alloy.The body of heater surface-coated of the electromagnetic oven of this structure has metal coating to carry out the part magnetic screen to electromagnetic oven.
A kind of " radiation protection electromagentic furnace " disclosed in the Chinese utility model patent specification of the CN2777921Y of on May 3rd, 2006 bulletin, comprise upper shell, lower house and panel, characteristics are that the part beyond the relative stove interior loop of panel is provided with the metal radiation protective layer, and this metal radiation protective layer is located at the outer surface or the inner surface of panel; The inner surface of upper shell, lower house or outer surface are provided with the metal radiation protective layer, this metal radiation protective layer disclosed technical scheme in specification is: upper shell, lower house can directly adopt ferromagnetic material or composite material to make, also can outside the plastic material housing, set up the cover body of a composite material, the heating position of the relative electromagnetic oven of cover body is provided with the cooker posting port, and the air entry and the exhaust outlet of lower house are provided with wire netting.Technical scheme adopts metal radiation protective layer electromagnetic radiation shielding with electromagnetic induction coil corresponding to the part beyond the panel heating position in the above-mentioned disclosed file, but the device of eliminating radiation is not set, and between this electromagnetic radiation shielding device panel and the housing, have the leakage field gap between panel and the pan, exist can not be effectively with ELECTROMAGNETIC RADIATION SHIELDING and the deficiency eliminated.
In on April 19th, 2006 disclosed Chinese invention patent ublic specification of application disclosed " a kind of skid resistant, antimagnetic leakage structure of electromagnetic oven ", in the disclosed technical scheme of this application be: include the electromagnetic oven main body, cooking pan is seated on the support flat board of electromagnetic oven, the dull and stereotyped outer rim of support is embedded with ring-type skid resistant, antimagnetic leakage first quoit, second quoit of ring-type antimagnetic leakage also is installed around the electromagnetic induction wire coil outer in the electromagnetic oven, and second quoit also is connected to a ground wire that draws outward.Electromagnetic induction coil can only be adopted the quoit radiation-screening corresponding to the part beyond the support flat board in the above-mentioned disclosed technical scheme, and the ground wire that connects on quoit carries out magnetic radiation and releases, ring-type skid resistant, antimagnetic leakage first quoit of the dull and stereotyped outer rim setting-in of support, can further absorb the magnetic line of force, prevent that magnetic dispersion from taking place.But, electromagnetic induction coil is the position that the magnetic line of force is the most intensive, electromagnetic radiation is the strongest corresponding to the pot body heated end portion on the support flat board, magnetic line of force major part herein can be by the pot bulk absorption, and a fraction of magnetic line of force is because of between second quoit and the support flat board, have the leakage field gap between pot body and support flat board and first quoit, cause electromagnetic radiation from the leakage field gap, to let out, so external electromagnetic radiation still exists.
Summary of the invention
Can not desirable shielding eliminate the deficiency of electromagnetic radiation in order to overcome existing electromagentic furnace technology, the invention provides a kind of screening arrangement that complete closure arranged, have radiation eliminate the loop, can the radiation of low-cost high-efficiency ground elimination electromagnetic oven the irradiation eliminating apparatus of non-radiation electromagnetic oven.Not only method is simple to utilize this technology, and is with low cost and to eliminate radiation effect good.
The present invention's technical scheme that is adopted of dealing with problems is: a kind of irradiation eliminating apparatus of non-radiation electromagnetic oven, be assemblied in the unitary housing lower cover outward by complying with, outer casing upper cover, support panel, the pot body, the pot body touches pad, radiation absorption layer, electromagnetic conversion operating circuit and power ground are formed, by the shell lower cover, outer casing upper cover, support panel is formed a complete housing, the shell lower cover, outer casing upper cover is made of plastics or other materials, support panel is made of pottery or other similar materials, pot body and function iron or the good material of other magnetic properties, the pot body touches pad with the good material of electric conductivity, radiation absorption layer is by the shell lower cover, complete outer casing inner wall that loam cake and the support panel that is connected are formed or outer wall are processed into the radiation absorption layer of approximate shell body with electric conducting material, the function element of electromagnetic oven product is loaded on the radiation absorption layer inboard, the electromagnetic conversion operating circuit is a circuit of selecting existing electromagnetic oven product for use, and power ground adopts the single-phase three-jaw attaching plug of band ground wire to carry out the ground wire connection.Ground wire in the power line touches pad with radiation absorption layer and pot body and is connected, the pot body fully touches a pot body and touches pad, and touch pad and complete shielding cover body of radiation absorption layer formation by the pot body, electronic circuit generation electromagnetic radiation when shielding cover body inboard just can shield absorption with the shielding cover body, connect the earth eliminations of releasing by the ground wire in the power line again, the external hazards of electromagnetic radiation of generation when eliminating electromagnetic oven work fully.
Described support panel adopts a kind of in numerous panels such as ceramic panel, black crystal panel.
Good and the little material of outer surface resistance of described pot body and function iron or other magnetic properties, and can and pot body touch and fill up the face that carries out small resistor and contact.
Described pot body touches and fills up on the outside, space or position intermediate greater than the electromagnetic induction wire coil external diameter that is installed on shell support panel and the corresponding radiation absorption layer plane, and can touch the pot body in the work, be shaped as that close ring touches pad or the closure of other shapes is touched pad; Or adopt independently disc shape, band shape, wire, strip or point-like body one or more touch pad, quantity is one or more, with the good material of surface conductance performance, an end contacts with the face that the pot body carries out small resistor, and the other end carries out being connected of small resistor with radiation absorption layer.
Described radiation absorption layer is by the shell lower cover, complete inner walls that loam cake and the support panel that is connected are formed or outer wall are processed into the radiation absorption layer of approximate housing body with electric conducting material, the function element of electromagnetic oven product is loaded on the radiation absorption layer inboard, the leaving a space near the electromagnetic induction wire coil position and be not coated with radiation absorption layer of radiation absorption layer on support panel greater than the electromagnetic induction wire coil external diameter, the radiation absorption layer material therefor is a metallic plate, the metal spraying material, conductive film layer, electrically-conducting paint, conductive fabric, conductive paper, in the electric conducting materials such as conductive plastics one or more.
Described electromagnetic conversion operating circuit is to adopt a kind of in the general various electromagnetic conversion operating circuits of existing electromagentic furnace technology.
Described power ground adopts the single-phase three-jaw attaching plug of band ground wire to carry out the ground wire connection.
The invention has the beneficial effects as follows: simple in structure, with low cost, good, the highly versatile of elimination radiation effect.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of principle schematic of the present invention.
Fig. 2 is a kind of example structure schematic diagram of the present invention.
Mark among the figure: 1. shell lower cover, 2. outer casing upper cover, 3. support panel, 4. pot body, 5. a pot body touches pad, 6. radiation absorption layer, 7. electromagnetic conversion operating circuit, 8. power ground.
Embodiment
The present invention is further described below in conjunction with the principle schematic in the accompanying drawing and structural representation:
Fig. 1 is a kind of principle schematic of irradiation eliminating apparatus of non-radiation electromagnetic oven, mainly comprises: shell lower cover (1), outer casing upper cover (2), support panel (3), pot body (4), the pot body touches pad (5), radiation absorption layer (6), electromagnetic conversion operating circuit (7), power ground (8).In the accompanying drawings, power ground (8) touches pad (5) with radiation absorption layer (6) and pot body and is connected, pot body (4) fully touches a pot body and touches pad (5), and touch pad (5) and radiation absorption layer (6) by the pot body and form a complete shielding cover body, when producing electromagnetic radiation, the electronic circuit of shielding in the cover body just can shield absorption, again by the elimination of releasing of the ground wire in the power line (8) connection the earth with the shielding cover body.
Fig. 2 is the structural representation of the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven of designing of the operation principle according to Fig. 1, by shell lower cover (1), outer casing upper cover (2), support panel (3) is formed a complete housing, shell lower cover (1) wherein, outer casing upper cover (2) is made of plastics or other materials, support panel (3) is with ceramic, black brilliant plate or other similar materials are made, pot body (4) is with iron or other magnetic properties are good and the little material of outer surface resistance, its whole outer surface metal requires light, to touch pad (5) contact resistance the smaller the better with the pot body, the pot body touches pad (5) and is installed on the outside, space or position intermediate greater than the electromagnetic induction wire coil external diameter on shell support panel and the corresponding radiation absorption layer plane, and can touch the pot body in the work, good and the little material of outer surface resistance with electric conductivity, its outer surface metal requires light, is shaped as the closure that close ring touches pad or other shapes and touches pad; Or adopt independently disc shape, banded, wire, in strip or the point-like body one or more touch pad, quantity is one or more, the pot body touches pad (5) one ends and closely contacts with pot body (4), the other end is connected with radiation absorption layer (6), radiation absorption layer (6) is by the shell lower cover, complete outer casing inner wall that loam cake and the support panel that is connected are formed or outer wall are processed into the radiation absorption layer of approximate shell body with electric conducting material, the function element of electromagnetic oven product is loaded on the radiation absorption layer inboard, the leaving a space near the electromagnetic induction wire coil position and be not coated with radiation absorption layer of radiation absorption layer on support panel greater than the electromagnetic induction wire coil external diameter, material therefor is a metallic plate, the metal spraying material, conductive film layer, electrically-conducting paint, conductive fabric, conductive paper, in the electric conducting materials such as conductive plastics one or more, electromagnetic conversion operating circuit (7) is a circuit of selecting existing electromagnetic oven product for use, and this circuit is placed on by shell lower cover (1), outer casing upper cover (2), the housing inboard that support panel (3) is formed fixedly mounts, power ground (8) adopts the single-phase three-jaw attaching plug of band ground wire, and the interior ground wire of inner be connected with radiation absorption layer (6) outer end and supply socket is connected.
Can make ground wire (8), radiation absorption layer (6), pot body in the power line touch complete shielding cover body of formation between pad (5), the pot body (4) by above combination, when producing electromagnetic radiation, the inboard electronic circuit of radiation absorption layer (6) just can shield absorption with the shielding cover body, and connect the earth eliminations of releasing by the ground wire in the power line (8), finally reach when eliminating electromagnetic oven work the externally purpose of leakage hazards of electromagnetic radiation.
Claims (6)
1, a kind of irradiation eliminating apparatus of non-radiation electromagnetic oven, touch pad, radiation absorption layer, electromagnetic conversion operating circuit and power ground and form by shell lower cover, outer casing upper cover, support panel, pot body, pot body, it is characterized in that: radiation absorption layer connects the pot body and touches pad and be connected with ground wire in the power line, the pot body fully touches pot body and touches pad and touch pad and complete shielding cover body of radiation absorption layer formation by the pot body, described pot body touches pad and is located on the support panel, and this pot body touches the good material of pad employing surface conductance performance.
2, the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1, it is characterized in that: described radiation absorption layer is by the shell lower cover, complete inner walls that loam cake and the support panel that is connected are formed or outer wall are processed into the radiation absorption layer of approximate housing body with electric conducting material, the function element of electromagnetic oven product is loaded on the radiation absorption layer inboard, the leaving a space near the electromagnetic induction wire coil position and be not coated with radiation absorption layer of radiation absorption layer on support panel greater than the electromagnetic induction wire coil external diameter, the radiation absorption layer material therefor is an electric conducting material, comprises metallic plate, conductive film layer, electrically-conducting paint, conduction charcoal slurry, conductive fabric, in conductive paper and the conductive plastics one or more.
3, the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 and 2 is characterized in that: described support panel adopts ceramic panel or black crystal panel.
4, the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: the pot body adopts iron work, and can and the pot body touch and fill up the surface carry out small resistor and contact.
5, the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1, it is characterized in that: described pot body touches the pad installation site, be on the outside, space or position intermediate on shell support panel and the corresponding radiation absorption layer plane greater than the electromagnetic induction wire coil external diameter, and can touch the pot body in the work, be shaped as that close ring touches pad or the closure of other shapes is touched pad, or adopt independently disc shape, banded, wire, one or more of strip or point-like body touch pad, it is one or more touching pad quantity, with the good material of surface conductance performance, one end contacts with the face that the pot body carries out small resistor, and the other end carries out being connected of small resistor with radiation absorption layer.
6, the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: power ground adopts the single-phase three-jaw attaching plug of band ground wire to carry out the ground wire connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710109398A CN100581336C (en) | 2007-02-27 | 2007-06-01 | Radiation elimination device for electromagnetic furnace without radiation |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710013657.1 | 2007-02-27 | ||
| CN200710013657 | 2007-02-27 | ||
| CN200710109398A CN100581336C (en) | 2007-02-27 | 2007-06-01 | Radiation elimination device for electromagnetic furnace without radiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101102659A CN101102659A (en) | 2008-01-09 |
| CN100581336C true CN100581336C (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710109398A Expired - Fee Related CN100581336C (en) | 2007-02-27 | 2007-06-01 | Radiation elimination device for electromagnetic furnace without radiation |
Country Status (1)
| Country | Link |
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| CN (1) | CN100581336C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101158484A (en) * | 2007-10-31 | 2008-04-09 | 滕翔升 | Irradiation removing unit of non radiation electromagentic furnace |
| CN102300433B (en) * | 2011-08-23 | 2014-11-05 | 重庆润桥科技有限公司 | Communication device mounting shell |
| CN103791526A (en) * | 2012-10-29 | 2014-05-14 | 山东富帅无辐射技术有限公司 | New-concept external-radiation-free electromagnetic oven |
| CN104676701A (en) * | 2014-12-10 | 2015-06-03 | 成都银顶科技有限公司 | External electromagnetic radiation absorption technique of electromagnetic furnace |
| CN116669411B (en) * | 2023-07-26 | 2023-10-20 | 吉林省永利激光科技有限公司 | Radio frequency laser |
-
2007
- 2007-06-01 CN CN200710109398A patent/CN100581336C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101102659A (en) | 2008-01-09 |
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Assignee: Shanghai handsome Electronic Technology Co., Ltd. Assignor: Teng Xiangsheng Contract record no.: 2010310000061 Denomination of invention: Radiation elimination device for radiationless induction cooker Granted publication date: 20100113 License type: Exclusive License Open date: 20080109 Record date: 20100518 |
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Owner name: RONGCHENG YUDA ELECTRONIC ENVIRONMENTAL PROTECTION Free format text: FORMER OWNER: TENG XIANGSHENG Effective date: 20111208 |
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Effective date of registration: 20111208 Address after: Heyang economic and Technological Development Zone, 264300 East Road, Shandong city of Rongcheng Province Patentee after: Rongcheng Yuda Electronic Environmental Protection Technology Co., Ltd. Address before: 38 No. 264300 Shandong province Rongcheng Chengshan Road Patentee before: Teng Xiangsheng |
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Owner name: SHANDONG FUSHUAI NON RADIATIVE TECHNOLOGY CO., LTD Free format text: FORMER NAME: RONGCHENG YUDA ELECTRONIC ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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Address after: 264300 No. 258 Zou Tai Street South, Shandong, Rongcheng Patentee after: SHANDONG FUSHUAI NON-RADIATIVE TECHNOLOGY CO., LTD. Address before: Heyang economic and Technological Development Zone, 264300 East Road, Shandong city of Rongcheng Province Patentee before: Rongcheng Yuda Electronic Environmental Protection Technology Co., Ltd. |
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Denomination of invention: Radiation elimination device for radiationless induction cooker Effective date of registration: 20140403 Granted publication date: 20100113 Pledgee: Weihai long Industry Development Co., Ltd. Pledgor: SHANDONG FUSHUAI NON-RADIATIVE TECHNOLOGY CO., LTD. Registration number: 2014990000227 |
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