CN201100689Y - Radiation elimination device for no-radiation electromagnetic furnace - Google Patents
Radiation elimination device for no-radiation electromagnetic furnace Download PDFInfo
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- CN201100689Y CN201100689Y CNU2007200205007U CN200720020500U CN201100689Y CN 201100689 Y CN201100689 Y CN 201100689Y CN U2007200205007 U CNU2007200205007 U CN U2007200205007U CN 200720020500 U CN200720020500 U CN 200720020500U CN 201100689 Y CN201100689 Y CN 201100689Y
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- external conductive
- electromagnetic oven
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Abstract
The utility model discloses a radiation-eliminating device of a radiation free electromagnetic oven, which comprises an external conductive casing, a supporting panel, a pot radiation-eliminating apparatus, a pot touch pad, a cooking pot, a magnetic transformation working circuit, a power supply zero line, a radiation coupler and a phase chooser. An integrated casing is formed by the external conductive casing and the supporting panel, the functional components of the electromagnetic oven are installed in the casing, one end of the external conductive casing is connected with the zero line in the power supply lines through the radiation coupler, the other end is connected with the pot touch pad through the pot radiation-eliminating apparatus, and the cooking pot is fully contacted with the pot touch pad, and forms an intact shielding cover body through the pot touch pad, the pot radiation-eliminating apparatus and the external conductive casing. When electro circuits on the inner side of the shielding cover body generates electromagnetic radiation, the shielding cove body can be used to shield and absorb, and radiation which is shielded is coupled to the zero line of the power supply to discharge and eliminate through the radiation coupler, the transformation which only shielded and eliminated the leaked magnetic radiation without affecting heat efficiency can be realized through regulating the parameter of the pot radiation-eliminating apparatus, and the choose of the phase chooser can make electromagnetic radiation be discharged and eliminated through the zero line of the power supply.
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 zero-power line.
Technical background
The hazards of electromagnetic radiation health of human body causes people's attention already.Electromagnetic oven has entered huge numbers of families as the household electrical appliances rising star in recent years, but because working principle of induction cooker is that 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 conversion equipment again, again high-frequency alternating current is added on the load coil of flat cored screw shape, 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 pot body internal cause electromagnetic induction, and produces the thermal source of the cooking.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.Harm for the electromagnetic oven radiation causes people's attention already, but many for this reason electromagnetic ovens manufacturer all solve by every means produce effects little.
The patented technology that discloses " radiation protection electromagentic furnace " in 200520025201.3 patents of announcing in " a kind of electromagnetic oven that has electromagnetic radiation shielding device " and on May 3rd, 2006 is disclosed in the 200520034113.X patent that on July 5th, 2006 was announced, though these two patents have all been mentioned and have been used the metal shell electromagnetic radiation shielding, but all do not mention the device of eliminating radiation, this structure can not be eliminated electromagnetic radiation.
The patented technology of " a kind of skid resistant, antimagnetic leakage structure of electromagnetic oven " is disclosed in 200510100028.3 patents of bulletin on April 19th, 2006, though the antimagnetic leakage ring is arranged and utilizes ground wire to eliminate radiation, but there is the long-pending too little high frequency electromagnetic radiation that can not seal low frequency electromagnetic radiation and electromagnetic disc generation effectively of antimagnetic leakage anchor ring in he, so this patented technology can not shield the electromagnetic radiation of eliminating electromagnetic oven effectively in the same old way.
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, eliminate by power ground though can shield again with the mode of full-shield electromagnetic radiation that electromagnetic oven produced, can guarantee that the external electromagnetic-radiation-free of electromagnetic oven leaks, but the channel that radiation is released in this application must be a ground wire, if some does not have the place of ground wire just can't eliminate electromagnetic radiation.
Summary of the invention
Eliminate the restriction that electromagnetic radiation is subjected to ground wire in order to overcome electromagnetic oven, the utility model provide a kind of screening arrangement that complete closure arranged, the selection by phase selector can with the electromagnetic radiation after the shielding exactly by zero-power line release eliminations, can control the elimination loop of radiation intensity with the pot body spoke device that disappears, realize only shielding the conversion of eliminating the magnetic radiation that leaks and not influencing the thermal efficiency, the irradiation eliminating apparatus of the non-radiation electromagnetic oven of electromagnetic oven radiation is eliminated on energy low-cost high-efficiency ground.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, and by according to being assemblied in the touching pad, pot body, electromagnetic conversion operating circuit, zero-power line, radiation coupling, phase selector and form of one outward by disappear spoke device, a pot body of external conductive casing, support panel, a pot body.External conductive casing, support panel are formed a complete housing, wherein external conductive casing is made up of shell lower cover and outer casing upper cover, shell lower cover, outer casing upper cover part are made into external conductive casing with conductive material or at other insulation crust lower covers, outer casing upper cover inwall or outer wall with conductive material, and the function element of electromagnetic oven is loaded in the housing; Support panel is made of pottery or other similar materials; Disappear spoke device and radiation coupling of pot body can be the device that capacitor, resistor, resistance-capacitance coupling device etc. can coupled electromagnetic wave, also can be that a lead or the conductor material that directly links to each other are made; The pot body touches pad and makes of the good material of electric conductivity; The material that pot body and function iron or other magnetic properties are good is made; The electromagnetic conversion operating circuit is a circuit of selecting existing electromagnetic oven product for use; Zero-power line adopts the zero line in the electromagnetic oven AC power cord; Phase selector adopts resistance, neon lamp, the touch sheet mode that is in series.External conductive casing one end is connected with zero line in the power line through radiation coupling, the other end touches to fill up with a pot body and is connected through the pot body spoke device that disappears, the pot body fully contacts pot body and touches pad and touch disappear spoke device and external conductive casing of pad and a pot body by the pot body and form a complete shielding cover body, just can shield absorption when the electronic circuit of shielding cover body inboard produces electromagnetic radiation, and the zero-power line elimination of releasing is coupled in the radiation that shields by radiation coupling with the shielding cover body; The hazards of electromagnetic radiation that externally produces when eliminating electromagnetic oven work fully.
Described external conductive casing is meant the shell lower cover, outer casing upper cover is with the conductive material making or at other insulation crust lower covers, outer casing upper cover inwall or outer wall are with conductive material, the function element of electromagnetic oven product is loaded on the external conductive casing inboard, the external conductive casing that is positioned at below the support panel leaves a space greater than the electromagnetic induction wire coil external diameter in corresponding electromagnetic induction wire coil position, the place leaves air vent at the corresponding position of fan of external conductive casing lower plane, and the external conductive casing 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.
Described support panel adopts a kind of in numerous panels such as ceramic panel, black crystal panel.
Disappear spoke device and radiation coupling of described pot body can be the device of energy coupled electromagnetic wave such as capacitor, resistor, resistance-capacitance coupling device, also can be in a lead or the conductor material that directly links to each other one or more.
Described pot body touches pad and is installed on the outside, space or position intermediate greater than the electromagnetic induction wire coil external diameter on the shell support panel plane, and can touch the pot body in the work, is shaped as the closure that close ring touches pad or other shapes and touches pad; Or adopt independently disc shape, band shape, wire, strip or point-like body one or more touch pad, quantity is one or more, make of the material that the surface conductance performance is good, an end contacts with the face that the pot body carries out small resistor, and the other end is connected with radiation coupling.
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 electromagnetic conversion operating circuit is to adopt a kind of in the general various electromagnetic conversion operating circuits of existing electromagentic furnace technology.
Described zero-power line adopts the zero line in the required 220V power supply of electromagnetic oven.
Described phase selector adopts resistance, neon lamp, the touch sheet mode that is in series, and an end of resistance is connected with the power line tie point with radiation coupling.
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. external conductive casing, 2. support panel, the 3. pot body spoke device that disappears, 4. a pot body touches pad, 5. pot body, 6. electromagnetic conversion operating circuit, 7. zero-power line, 8, radiation coupling, 9 phase selectors,
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 comprise: external conductive casing (1), support panel (2), the pot body spoke device (3) that disappears, the pot body touches pad (4), pot body (5), electromagnetic conversion operating circuit (6), zero-power line (7), radiation coupling (8) phase selector (9).In the accompanying drawings, external conductive casing (1) one end is connected with zero line (7) in the power line through radiation coupling (8), the other end touches pad (4) with a pot body and is connected through the pot body spoke device (3) that disappears, pot body (a 5) fully contact pot body touches pad (4) and touches pad (4) and a pot body disappear spoke device (3) and complete shielding cover body of external conductive casing (1) formation by the pot body, just can shield absorption when the electronic circuit of shielding cover body inboard produces electromagnetic radiation, and zero-power line (7) elimination of releasing is coupled in the radiation that shields by radiation coupling (8) 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, form a complete housing by external conductive casing (1) support panel (2), wherein external conductive casing (1) is made up of shell lower cover and outer casing upper cover, the shell lower cover, the outer casing upper cover part is with conductive material or at other insulation crust lower covers, outer casing upper cover inwall or outer wall are made into external conductive casing (1) with conductive material, the function element of electromagnetic oven is loaded in the housing, be positioned at the following external conductive casing (1) of support panel (2) and leave a space greater than the electromagnetic induction wire coil external diameter in corresponding electromagnetic induction wire coil position, the place leaves air vent at the corresponding position of fan of external conductive casing (1) lower plane, and external conductive casing (1) 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; Support panel (2) is made of pottery, black brilliant plate or other similar materials, and the high temperature resistant temperature of the support panel that is adopted is greater than 600 degree; Pot body spoke device (3) one ends that disappear are connected with external conductive casing (1), the other end touches pad (4) with the pot body and is connected, the pot body spoke device that disappears can be the device of energy coupled electromagnetic wave such as capacitor, resistor, resistance-capacitance coupling device, also can be a lead or directly continuous conductor material, adopt different coupling materials in practice as required, material parameter by the control coupler reaches the electromagnetic radiation that only shielding elimination leaks, and does not finally realize electromagnetic oven thermal efficiency supreme good and do not eliminate the magnetic radiation that produces heat.The pot body touches pad (4) and is installed on the non-conducting material or position intermediate greater than the outside, space of electromagnetic induction wire coil external diameter on shell support panel (2) plane, and can touch the pot body (5) in the work, the pot body touches the material that pad (4) is good with electric conductivity and outer surface resistance is little and makes, its outer surface metal requires light, is shaped as the closure that close ring touches pad or other shapes and touches pad; Or adopt in independently disc shape, band shape, wire, strip or the point-like body one or more to touch pad, quantity is one or more, the pot body touches pad (4) one ends and closely contacts with pot body (5), and the other end is connected with external conductive casing (1) by the pot body spoke device (3) that disappears; The material that pot body (5) is good with iron or other magnetic properties and outer surface resistance is little is made, and its whole outer surface metal requires bright, and to touch pad (4) contact resistance the smaller the better with the pot body; Electromagnetic conversion operating circuit (6) is a circuit of selecting existing electromagnetic oven product for use, and this circuit is placed on the housing inboard of being made up of external conductive casing (1) and support panel (2) fixedly mounts; Zero-power line (7) adopts the zero line in the required 220V power supply of electromagnetic oven; Radiation coupling (8) one ends are connected with external conductive casing (1), the other end is connected with zero-power line (7), radiation coupling (8) can be the device of energy coupled electromagnetic wave such as capacitor, resistor, resistance-capacitance coupling device, also can be a lead or the conductor material that directly links to each other, adopt different coupling materials in practice as required, reach the optimum efficiency that the electromagnetic radiation that leaks is eliminated in shielding by the material parameter of controlling coupler; Phase selector (9) adopts resistance, neon lamp, the touch sheet mode that is in series, one end of resistance is connected with the power line tie point with radiation coupling, explanation is abnormal if the neon lamp when the contact chip in the contact phase selector in the phase selector works, attaching plug is instead inserted if neon lamp is bright, what proof was just at this moment eliminated electromagnetic radiation and connect as long as neon lamp does not work by phase-detection is exactly zero-power line again.
Can make zero-power line (7), radiation coupling (8), external conductive casing (1), pot body spoke device (3) the pot body that disappears touch complete shielding cover body of formation between pad (4), the pot body (5) by above combination, electronic circuit in the shielding cover body produces electromagnetic radiation just can shield absorption with the shielding cover body, and connect the earth eliminations of releasing by zero-power line (7), finally reach when eliminating electromagnetic oven work the externally purpose of leakage hazards of electromagnetic radiation.
Claims (9)
1. the irradiation eliminating apparatus of a non-radiation electromagnetic oven, by external conductive casing, support panel, the pot body spoke device that disappears, the pot body touches pad, the pot body, the electromagnetic conversion operating circuit, zero-power line, radiation coupling, phase selector is formed, external conductive casing and support panel are formed a complete housing, the function element of electromagnetic oven product is loaded in the housing, it is characterized in that: external conductive casing one end is connected with zero line in the power line through radiation coupling, the other end touches pad with a pot body and is connected through the pot body spoke device that disappears, and the pot body fully contacts pot body and touches pad and touch pad and a pot body complete shielding cover body of spoke device and external conductive casing formation that disappears by the pot body.
2. the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1, it is characterized in that: described external conductive casing is made up of shell lower cover and outer casing upper cover, the shell lower cover, outer casing upper cover is with conductive material or at the insulation crust lower cover, outer casing upper cover inwall or outer wall are made into external conductive casing with conductive material, the external conductive casing that is positioned at below the support panel leaves a space greater than the electromagnetic induction wire coil external diameter in the electromagnetic induction wire coil position of correspondence, the place leaves air vent at the corresponding position of fan of external conductive casing lower plane, and the external conductive casing material therefor is a metallic plate, the metal spraying material, conductive film layer, electrically-conducting paint, conductive fabric, conductive paper, in the conductive plastics one or more.
3. the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: described support panel adopts a kind of in ceramic panel, the black crystal panel.
4. the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1, it is characterized in that: described pot body spoke device one end that disappears is connected with external conductive casing, the other end touches pad with a pot body and is connected, and the pot body spoke device that disappears can be device that capacitor, resistor, resistance-capacitance coupling device can coupled electromagnetic wave, also can be in a lead or the conductor material that directly links to each other one or more.
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 non-conductive layer or position intermediate on the shell support panel plane greater than the outside, space of electromagnetic induction wire coil external diameter, and can touch the pot body in the work, be shaped as close ring and touch pad; Or adopt independently disc shape, band shape, wire, strip or point-like body one or more touch pad, quantity is one or more, make of the good material of surface conductance performance, an end contact with the face that the pot body carries out small resistor, and the other end and pot body spoke device that disappears is connected.
6. the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: the material that described pot body and function iron or magnetic property 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.
7. the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: described zero-power line adopts the zero line in the required 220V power supply of electromagnetic oven.
8. the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1, it is characterized in that: described radiation coupling one end is connected with external conductive casing, the other end is connected with zero-power line, and radiation coupling can be device that capacitor, resistor, resistance-capacitance coupling device can coupled electromagnetic wave, also can be in a lead or the conductor material that directly links to each other one or more.
9. the irradiation eliminating apparatus of a kind of non-radiation electromagnetic oven according to claim 1 is characterized in that: described phase selector adopts resistance, neon lamp, the touch sheet mode that is in series, and an end of resistance is connected with the power line tie point with radiation coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200205007U CN201100689Y (en) | 2007-04-14 | 2007-04-14 | Radiation elimination device for no-radiation electromagnetic furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200205007U CN201100689Y (en) | 2007-04-14 | 2007-04-14 | Radiation elimination device for no-radiation electromagnetic furnace |
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| Publication Number | Publication Date |
|---|---|
| CN201100689Y true CN201100689Y (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200205007U Expired - Fee Related CN201100689Y (en) | 2007-04-14 | 2007-04-14 | Radiation elimination device for no-radiation electromagnetic furnace |
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| Country | Link |
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| CN (1) | CN201100689Y (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
- 2007-04-14 CN CNU2007200205007U patent/CN201100689Y/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: 20080813 Termination date: 20110414 |