CN201133668Y - Radiation-free electro-magnetic furnace irradiation eliminating device - Google Patents
Radiation-free electro-magnetic furnace irradiation eliminating device Download PDFInfo
- Publication number
- CN201133668Y CN201133668Y CNU2007200300726U CN200720030072U CN201133668Y CN 201133668 Y CN201133668 Y CN 201133668Y CN U2007200300726 U CNU2007200300726 U CN U2007200300726U CN 200720030072 U CN200720030072 U CN 200720030072U CN 201133668 Y CN201133668 Y CN 201133668Y
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- radiation
- pot body
- absorption layer
- electromagnetic
- radiation absorption
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Abstract
The utility model discloses a radiation elimination device for nonradiative induction cooker, which comprises a lower cap of shell, an upper cap of shell, a supporting faceplate, a cooking pot body, a pot body contact pad , a radiation absorption layer, an electromagnetic conversion working circuit and a power source earth line. The lower cap of shell, the upper cap of shell and the supporting faceplate form an integral shell body; the radiation absorption layer is arranged at the position corresponding to the shell body; the functional components of the induction cooker are arranged inside the shell body; the power source earth line is connected with the radiation absorption layer and the pot body contact pad; the cooking pot body fully contacts with the pot body pad and form an integral shielding hood body via the pot body contact pad and the radiation absorption layer. When electromagnetic radiation is produced in an electronic circuit at the internal side of the shielding hood body, the shielding hood body can be applied to shield and absorb the radiation. Besides, the earth line in the power cord can be connected with the earth to discharge and eliminate the radiation, thus realizing the goal of eliminating the hazard of electromagnetic radiation produced during the operation of the induction cooker.
Description
Technical field
The utility model relates to the field that shielding 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 thermal 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 RF power converter 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.
In addition on February 27th, 2007, " non-radiation electromagnetic oven " application number of my application is in 200710013657.1 the patent application, though radiation provides a kind of shielding and cancellation element technology of complete closure to electromagnetic oven, exist in that a pot body on the ceramic wafer in corresponding electromagnetism drum centre position touches the pad installation site and indefinite problem is narrated in method of attachment.
Summary of the invention
Can not desirable shielding eliminate the deficiency of electromagnetic radiation in order to overcome existing electromagentic furnace technology, the utility model 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 utility model 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 metal material or other insulating materials, support panel is made of black crystal panel or other similar materials, the material that pot body and function iron or other magnetic properties are good is made, the pot body touches pad and makes of the good material of electric conductivity, radiation absorption layer is directly to adopt metal shell or at the insulation crust lower cover by plastics etc., 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 conductive 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.
The material that described pot body and function iron or other magnetic properties are good and outer surface resistance is little is made, and can and pot body touch and fill up the face that carries out small resistor and contact.
Described pot body touches the pad installation site, is outside or on the corresponding surface Board position in the middle of the electromagnetic induction wire coil or on the positions of panels in the middle of coexist corresponding drum space outerpace and the corresponding drum in the space greater than the electromagnetic induction wire coil external diameter on shell support panel and the corresponding radiation absorption layer plane; 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, makes of the material that the surface conductance performance is good; Be installed in a pot body on the panel and touch pad one end and carry out small resistor with the pot body and contact, if if other end position is installed in will carry out small resistor with radiation absorption layer and connect will directly or indirectly be connected with ground wire on the panel of corresponding drum centre position on the corresponding drum space outerpace panel.
Described radiation absorption layer can directly adopt metal shell to shield the electromagnetic radiation that function element sends in the absorption shell; If will be during the insulation crust of employing plastic or other material at 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 conductive 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, conduction charcoal slurry, conductive fabric, conductive paper, in the conductive materials such as conductive plastics one or more, if during the radiation absorption layer of other conductive materials that the use metallic plate is outer, will be at the loam cake of corresponding electromagnetism drum or lower cover or simultaneously last, the appropriate location of lower cover increases metallic plate, increases the effect that shielding absorbs magnetic field radiation intensity.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 beneficial effects of the utility model are: simple in structure, with low cost, good, the highly versatile of elimination radiation effect.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a kind of principle schematic of the present utility model.
Fig. 2 is a kind of example structure schematic diagram of the present utility model.
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.
The specific embodiment
Below in conjunction with principle schematic in the accompanying drawing and structural representation the utility model is further specified:
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 insulating materials such as metal material or plastics, support panel (3) is with ceramic, black brilliant plate or other similar materials are made, the material making that pot body (4) is good with iron or other magnetic properties and outer surface resistance is little, its whole outer surface metal requires light, to touch pad (5) contact resistance the smaller the better with the pot body, and the pot body touches pad (5), and to be installed in the space greater than the electromagnetic induction wire coil external diameter on shell support panel (3) and the corresponding radiation absorption layer plane outside or on corresponding panel (3) position of electromagnetic induction wire coil centre, or on panel (3) position in the middle of coexist corresponding drum space outerpace and the corresponding drum; 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, makes of the material that the surface conductance performance is good, its outer surface metal requires light; Be installed in a pot body on the panel and touch pad (5) one ends and carry out small resistor with pot body (4) and contact, will carry out the small resistor connection with radiation absorption layer and be installed in will directly or indirectly be connected on the corresponding drum centre position panel (5) on if other end position is installed in corresponding drum space outerpace panel (5) with ground wire (8).Radiation absorption layer (6) can directly adopt metal shell to shield the electromagnetic radiation that function element sends in the absorption shell; If will be during the insulation crust of employing plastic or other material at 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 conductive 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 conductive materials such as conductive plastics one or more, if will be during outer other conductive material radiation absorption layers of use metallic plate at the loam cake of corresponding electromagnetism drum or lower cover or simultaneously last, the appropriate location of lower cover increases metallic plate, strengthens the effect that shielding absorbs magnetic field radiation intensity.
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 (7)
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, and 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.
2, the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: described radiation absorption layer can directly adopt metal shell to shield the electromagnetic radiation that function element sends in the absorption shell; If will be during the insulation crust of employing plastic or other material at 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 conductive 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, conduction charcoal slurry, conductive fabric, conductive paper, in the conductive materials such as conductive plastics one or more, if will be during the radiation absorption layer of other conductive materials that the use metallic plate is outer at the loam cake of corresponding electromagnetism drum or lower cover or simultaneously last, the appropriate location of lower cover increases metallic plate, strengthens the effect of shielding attenuation magnetic field radiation intensity.
3, according to the irradiation eliminating apparatus of claim 1,2 described a kind of non-radiation electromagnetic ovens, it is characterized in that: described support panel adopts a kind of in numerous panels such as ceramic panel, 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 material that pot body and function iron or other magnetic properties are good and outer surface resistance is little is made, and can and pot body touch and fill up the surface of carrying 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 outside or on the electromagnetic induction wire coil position intermediate or on coexist corresponding drum space outerpace and the corresponding drum centre position on shell support panel and the corresponding radiation absorption layer plane, and can touch the pot body in the work greater than the space of electromagnetic induction wire coil external diameter; One or more that are shaped as that close ring touches that pad or the closure of other shapes touch pad or adopt shape bodies such as disc shape, band shape, wire, strip or point-like body independently touch pad, and quantity is one or more, makes of the material that the surface conductance performance is good; The pot body touches pad one end to carry out small resistor with the pot body and contact, if if other end position is installed in will carry out small resistor with radiation absorption layer and connect will directly or indirectly be connected with ground wire on the panel of corresponding drum centre position on the corresponding drum space outerpace panel.
6, the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: described electromagnetic conversion operating circuit is to adopt a kind of in the general various electromagnetic conversion operating circuits of electromagentic furnace technology.
7, 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 |
|---|---|---|---|
| CNU2007200300726U CN201133668Y (en) | 2007-10-31 | 2007-10-31 | Radiation-free electro-magnetic furnace irradiation eliminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200300726U CN201133668Y (en) | 2007-10-31 | 2007-10-31 | Radiation-free electro-magnetic furnace irradiation eliminating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201133668Y true CN201133668Y (en) | 2008-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200300726U Expired - Fee Related CN201133668Y (en) | 2007-10-31 | 2007-10-31 | Radiation-free electro-magnetic furnace irradiation eliminating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201133668Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2732323A1 (en) * | 2018-05-21 | 2019-11-21 | Bsh Electrodomesticos Espana Sa | DOMESTIC DEVICE DEVICE (Machine-translation by Google Translate, not legally binding) |
-
2007
- 2007-10-31 CN CNU2007200300726U patent/CN201133668Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2732323A1 (en) * | 2018-05-21 | 2019-11-21 | Bsh Electrodomesticos Espana Sa | DOMESTIC DEVICE DEVICE (Machine-translation by Google Translate, not legally binding) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20131031 |