CN105570954A - Radiation elimination apparatus of concave surface microcrystalline plate high-power induction cooker - Google Patents
Radiation elimination apparatus of concave surface microcrystalline plate high-power induction cooker Download PDFInfo
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- CN105570954A CN105570954A CN201410525329.XA CN201410525329A CN105570954A CN 105570954 A CN105570954 A CN 105570954A CN 201410525329 A CN201410525329 A CN 201410525329A CN 105570954 A CN105570954 A CN 105570954A
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Abstract
The present invention discloses a radiation elimination apparatus of a concave surface microcrystalline plate high-power induction cooker. The radiation elimination apparatus comprises a metal housing, a concave surface microcrystalline plate, a radiation coupler, a pot contacting pad, a cooking pot, an electromagnetic conversion work circuit and a power supply grounding wire, wherein the metal housing and the concave surface microcrystalline plate form a complete housing, the electromagnetic conversion work circuit and the radiation coupler of the induction cooker are arranged inside the housing, the metal housing is connected to the small resistance phase of the grounding wire in the power supply line, passes through the radiation coupler, and then is connected to the small resistance phase of the pot contacting pad, the resistor of the cooking pot contacts the pot contacting pad, and the cooking pot, the radiation coupler and the metal housing form a complete shielding cover through the pot contacting pad. According to the present invention, the electromagnetic radiation produced by the electronic circuit on the inner side of the shielding cover can be subjected to shielding absorption through the shielding cover, and the release elimination can be performed by connecting the grounding wire in the power supply line to the ground; by regulating the parameters of the radiation coupler, the leaked electromagnetic radiation is shielded and eliminated while the thermal efficiency conversion is not affected, such that the purposes of high efficiency, energy saving and no radiation harm of the induction cooker are finally achieved; and the technical scheme of the radiation elimination apparatus is suitable for single-head or multi-head high-power and low-power induction cookers.
Description
Technical field
The present invention relates to shielding reduce or eliminate the field of electrical equipment electromagnetic radiation, especially a kind of electromagnetic radiation can be carried out shielding absorb and carried out the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven eliminated by the earth connection in power line.
Background technology
Hazards of electromagnetic radiation health of human body, causes the concern of people already.Electromagnetic oven enters huge numbers of families as household electrical appliances rising star in recent years, but because the operation principle of electromagnetic oven is that AC power is converted to direct current through rectifier, direct current is made to become the high-frequency alternating current of 20-30KHZ through RF power conversion equipment again, again high-frequency alternating current is added on the spiral helicine load coil of flat, hollow, produce high-frequency alternating magnetic field thus, its magnetic line of force penetrates the ceramic platen of the kitchen range top and acts on metal pan, just there is powerful eddy current to produce at cooking pan internal cause electromagnetic induction, and produce the thermal source of the cooking.As long as that is substantial radiation source that is superimposed of the low frequency of the electromagnetic oven work high frequency and 50HZ that just must have 20-30KHZ.Harm for electromagnetic oven radiation causes the concern of people already, and but many electromagnetic oven manufacturers are all carrying out solution by every means producing effects little for this reason.
On July 5th, 2006 bulletin CN200520034113.X patent in disclose the patented technology disclosing " radiation protection electromagentic furnace " in 200520025201.3 patents announced in " a kind of electromagnetic oven with electromagnetic radiation shielding device " and on May 3rd, 2006, although these two patents all refer to use metal shell electromagnetic radiation shielding, but all do not mention the device eliminating radiation, this structure can not eliminate electromagnetic radiation.
The patented technology of " a kind of skid resistant, antimagnetic leakage structure of electromagnetic oven " is disclosed in the CN200510100028.3 patent of bulletin on April 19th, 2006, although have antimagnetic leakage ring and utilize ground wire to eliminate radiation, but there is antimagnetic leakage anchor ring and amass the too little high frequency electromagnetic radiation effectively can not closing low frequency electromagnetic radiation and electromagnetic disc generation, so this patented technology can not shield the electromagnetic radiation eliminating electromagnetic oven effectively in the same old way in him.
I am in the non-radiation electromagnetic oven number of patent application 200710013657.1 and 200720019104.2 of application on February 27th, 2007 in addition, eliminated by power ground again although the mode of the electromagnetic radiation full-shield that can produce electromagnetic oven shields, can ensure that the external electromagnetic-radiation-free of electromagnetic oven leaks, but shell just adopts that to add the method scope of conductive layer at the inwall of plastic casing or outer wall too little in this application, the method of radiating of the shielding cooking pan in addition in this application, lose the magnetic field of a part of conversion thermal energy possibly and reduce the thermal efficiency, more do not eliminate the relevant art of high-power electromagnetic oven radiation.
Summary of the invention
Elimination high-power electromagnetic oven electromagnetic radiation reliably can not be shielded in order to overcome existing electromagentic furnace technology.The invention provides a kind of have the screening arrangement of complete closure, can with radiation coupling control radiation intensity elimination loop, the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven of high-power electromagnetic oven radiation can be eliminated low-cost high-efficiency.Not only method is simple to utilize this technology, with low cost and to eliminate radiation effect good.
The present invention's adopted technical scheme of dealing with problems is: a kind of irradiation eliminating apparatus of concave surface micro-crystal plate high-power electromagnetic oven, forms by according to exterior metal shell, concave surface micro-crystal plate, radiation coupling, pot body touch pad, cooking pan, electromagnetic conversion operating circuit and the power ground being assigned in one.Metal shell, concave surface micro-crystal plate form a complete housing, and the electromagnetic conversion operating circuit of electromagnetic oven and radiation coupling are loaded in housing; Metal shell is connected with pot body touch pad small resistor through radiation coupling after being connected with the ground wire small resistor in power line again, cooking pan small resistor contact pot body touch pad also forms a complete shielding cover body by pot body touch pad and radiation coupling and metal shell, electronic circuit inside shielding cover body produces electromagnetic radiation just can carry out shielding absorption with shielding cover body, and carries out by the ground wire connection the earth in power line elimination of releasing; Realize by adjustment radiation coupling parameter electromagnetic radiation that only shielding elimination leaks and do not affect the conversion of the thermal efficiency, finally making this high-power electromagnetic oven both can be energy-efficient, the object of radiationless harm again.
Described metal shell is the shell adopting metal material processing shaping, and the relevant position perforate on shell leaves the position of installing concave surface micro-crystal plate.
The crystallite insulating materials processing that described concave surface micro-crystal plate adopts high temperature resistant shock resistance magnetic property good.
Described radiation coupling one end is connected with metal shell small resistor, the other end is connected with pot body touch pad small resistor, radiation coupling can be capacitor, resistor, resistance-capacitance coupling device etc. can coupled electromagnetic wave device, also can be a wire or the one directly in the method that is connected of small resistor.
Described pot body touch pad is arranged on the relevant position of concave surface micro-crystal plate, and energy small resistor touches the cooking pan in work, pot body touch pad shape is the one of disc shape, band shape, wire, strip or point-like body, quantity is one or more, the material good by surface conductance performance makes, the face that small resistor is carried out with cooking pan in one end contacts, and the other end is connected with radiation coupling small resistor.
The material that described cooking pan iron or other magnetic properties are good and outer surface resistance is little makes, and energy carry out small resistor with pot body touch pad contacts.
Described electromagnetic conversion operating circuit is the one in the various electromagnetic conversion operating circuits that the existing high-power electromagnetic oven technology of employing is general.
Described power ground adopts the power line of band ground wire.
The invention has the beneficial effects as follows: structure is simple, with low cost, elimination radiation effect is good, highly versatile.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
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 in figure: 1. metal shell, 2. concave surface micro-crystal plate, 3. radiation coupling, 4. pot body touch pad, 5. cooking pan, 6. electromagnetic conversion operating circuit, 7. power ground.
Detailed description of the invention
Below in conjunction with the principle schematic in accompanying drawing and structural representation, the present invention is further described:
The present invention's adopted technical scheme of dealing with problems is: a kind of irradiation eliminating apparatus of concave surface micro-crystal plate high-power electromagnetic oven, forms by according to exterior metal shell, concave surface micro-crystal plate, radiation coupling, pot body touch pad, cooking pan, electromagnetic conversion operating circuit and the power ground being assigned in one.Metal shell, concave surface micro-crystal plate form a complete housing, and the electromagnetic conversion operating circuit of electromagnetic oven and radiation coupling are loaded in housing; Metal shell is connected with pot body touch pad small resistor through radiation coupling after being connected with the ground wire small resistor in power line again, cooking pan small resistor contact pot body touch pad also forms a complete shielding cover body by pot body touch pad and radiation coupling and metal shell, electronic circuit inside shielding cover body produces electromagnetic radiation just can carry out shielding absorption with shielding cover body, and carries out by the ground wire connection the earth in power line elimination of releasing; Realize by adjustment radiation coupling parameter electromagnetic radiation that only shielding elimination leaks and do not affect the conversion of the thermal efficiency, finally making this high-power electromagnetic oven both can be energy-efficient, the object of radiationless harm again.
Fig. 1 is a kind of principle schematic of irradiation eliminating apparatus of concave surface micro-crystal plate high-power electromagnetic oven, mainly comprises: metal shell (1), concave surface micro-crystal plate (2), radiation coupling (3), pot body touch pad (4), cooking pan (5), electromagnetic conversion operating circuit (6), power ground (7).In FIG, metal shell (1) is connected with pot body touch pad (4) small resistor through radiation coupling (3) after being connected with ground wire (7) small resistor in power line again, cooking pan (5) small resistor contact pot body touch pad (4) also passes through the complete shielding cover body of pot body touch pad (4) and radiation coupling (3) and metal shell (1) formation one, electronic circuit inside shielding cover body produces electromagnetic radiation just can carry out shielding absorption with shielding cover body, and carries out by ground wire (7) the connection the earth in power line elimination of releasing.
Fig. 2 is operation principle according to Fig. 1 and the structural representation of the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven designed, a complete housing is formed by metal shell (1) concave surface micro-crystal plate (2), wherein metal shell (1) is the shell adopting metal material processing shaping, and the relevant position perforate on shell leaves the position of installing concave surface micro-crystal plate (2), concave surface micro-crystal plate (2) is arranged on wherein, and the electromagnetic conversion operating circuit (6) of electromagnetic oven and radiation coupling (3) are loaded in metal shell (1); Metal shell (1) is connected with pot body touch pad (4) small resistor through radiation coupling (3) after being connected with ground wire (7) small resistor in power line again, cooking pan (5) small resistor contact pot body touch pad (4) also passes through the complete shielding cover body of pot body touch pad (4) and radiation coupling (3) and metal shell (1) formation one, electronic circuit inside shielding cover body produces electromagnetic radiation just can carry out shielding absorption with shielding cover body, and carries out by ground wire (7) the connection the earth in power line elimination of releasing; Conveniently, metal shell (1) is except with also can direct ground connection except power ground (7) ground connection.Realize the only shielding electromagnetic radiation that leaks of elimination by adjustment radiation coupling (3) parameter and do not affect the conversion of the thermal efficiency, finally making this high-power electromagnetic oven both can be energy-efficient, the object of radiationless harm again.
Claims (8)
1. the irradiation eliminating apparatus of a concave surface micro-crystal plate high-power electromagnetic oven, by metal shell, concave surface micro-crystal plate, radiation coupling, pot body touch pad, cooking pan, electromagnetic conversion operating circuit and power ground composition, metal shell and concave surface micro-crystal plate form a complete housing, the electromagnetic conversion operating circuit of electromagnetic oven and radiation coupling are loaded in housing, it is characterized in that: metal shell is connected with pot body touch pad small resistor through radiation coupling after being connected with the ground wire small resistor in power line again, cooking pan small resistor touches pot body touch pad and forms a complete shielding cover body by pot body touch pad and radiation coupling and metal shell, metal shell is except with also can direct ground connection except power ground ground connection.
2. the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven according to claim 1, it is characterized in that: described metal shell is the shell adopting metal material processing shaping, and the relevant position perforate on shell leaves the position of installing concave surface micro-crystal plate.
3. the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven according to claim 1, is characterized in that: the crystallite insulating materials processing that described concave surface micro-crystal plate adopts high temperature resistant shock resistance magnetic property good.
4. the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven according to claim 1, it is characterized in that: described radiation coupling one end is connected with metal shell small resistor, the other end is connected with pot body touch pad small resistor, radiation coupling can be capacitor, resistor, resistance-capacitance coupling device etc. can coupled electromagnetic wave device, also can be one in a wire or the conductor material that is directly connected.
5. the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven according to claim 1, it is characterized in that: described pot body touch pad is arranged on the relevant position of concave surface micro-crystal plate, and energy small resistor touches the cooking pan in work, pot body touch pad shape is disc shape, band shape, wire, strip, point-like body one wherein, the material good by surface conductance performance makes, one end and cooking pan carry out small resistor and contact, and the other end is connected with radiation coupling small resistor.
6. the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven according to claim 1, it is characterized in that: the material that described cooking pan iron or other magnetic properties are good and outer surface resistance is little makes, and energy carry out small resistor with pot body touch pad contacts.
7. the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven according to claim 1, is characterized in that: described electromagnetic conversion operating circuit is the one in the various electromagnetic conversion operating circuits that the existing high-power electromagnetic oven technology of employing is general.
8. the irradiation eliminating apparatus of a kind of concave surface micro-crystal plate high-power electromagnetic oven according to claim 1, is characterized in that: described power ground adopts the power line of band ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525329.XA CN105570954A (en) | 2014-10-09 | 2014-10-09 | Radiation elimination apparatus of concave surface microcrystalline plate high-power induction cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525329.XA CN105570954A (en) | 2014-10-09 | 2014-10-09 | Radiation elimination apparatus of concave surface microcrystalline plate high-power induction cooker |
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| Publication Number | Publication Date |
|---|---|
| CN105570954A true CN105570954A (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410525329.XA Pending CN105570954A (en) | 2014-10-09 | 2014-10-09 | Radiation elimination apparatus of concave surface microcrystalline plate high-power induction cooker |
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| Country | Link |
|---|---|
| CN (1) | CN105570954A (en) |
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- 2014-10-09 CN CN201410525329.XA patent/CN105570954A/en active Pending
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Application publication date: 20160511 |
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| WD01 | Invention patent application deemed withdrawn after publication |