CN201335436Y - Structure of fully-enclosed electromagnetic eddy heating system - Google Patents
Structure of fully-enclosed electromagnetic eddy heating system Download PDFInfo
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- CN201335436Y CN201335436Y CNU2008202099280U CN200820209928U CN201335436Y CN 201335436 Y CN201335436 Y CN 201335436Y CN U2008202099280 U CNU2008202099280 U CN U2008202099280U CN 200820209928 U CN200820209928 U CN 200820209928U CN 201335436 Y CN201335436 Y CN 201335436Y
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Abstract
The utility model discloses a structure of a fully-enclosed electromagnetic eddy heating system. After being sealed, soft magnets arranged on the upper and the lower surfaces and the periphery of an electromagnetic converting coil panel (10), and the heat conduction materials are adhered on a micro-crystalline ceramic panel, and form a fully-enclosed structure through a coil panel bracket (13), a high-temperature isolating baffle (14), a panel outer casing (16) and an insulating material (17). The system further comprises a thermal accumulating tank (24) taking as a power device, wherein, thermal-storage-material water, heat conducting oil (25) and heat conducting fins (3) are arranged inside the thermal storage tank (24), and febrile electronic components are embedded in the groove and the surface of the system through insulated heat-conducting materials. The furnace body has an enclosed structure, so that the phenomena that the abnormal materials, the steam and the fume enter the inside of the furnace body and cause the circuit breakdown and the short circuit to burn out the system are eliminated, the service life is prolonged, and the repair rate is reduced.
Description
Technical field
The utility model relates to stove, the kitchen range utensil that a kind of structure of utilizing totally enclosed type electromagnetic eddy heating system, particularly electromagnetic oven, electromagnetic rice cooker, electromagnetism electric pressure cooking saucepan and electromagnetic electrothermic hydrophone etc. utilize the electromagnetic induction eddy current heating.
Background technology
With the electromagnetic oven is example:
The structure of existing electromagnetic oven as shown in Figure 1, include body of heater 1, crystallite panel 2, plastics face-piece 3, coil panel 4 and radiator fan 5, crystallite panel 2 joins by plastics face-piece 3 and body of heater 1, coil panel 4 places the below of crystallite panel 2, body of heater 1 bottom establishes radiator fan 5 so that heat radiation is equipped with soft magnetic bodies 6 (see figure 2)s below the coil panel 4.Utilize the magnetic field induction vortex principle, make the electric current of high frequency pass through loop coil, thereby produce the countless sealing magnetic lines of force, when the magnetic line of force in the magnetic field passes through the bottom of magnetic conduction pot body (as: irony pot), promptly can produce countless little eddy current, make pot body heating at a high speed voluntarily itself, and then food in the heating kettle.So electromagnetic oven has following characteristics: safe, energy-conservation, health, the flames of anger, smokeless, dustless, no residue waste gas.But still there is following technological deficiency in existing electromagnetic oven:
One, fragile.Existing electromagnetic oven all is provided with radiator fan and has into and out of the air port, and radiator fan will dispel the heat to the parts in the stove, and itself is driving member, fragile, and it is in case damage, and temperature causes very fast rising the too high and shutdown of the Yin Wendu of stove own or burns out in the stove; And the humidity in kitchen is very big, and its aqueous vapor, oil smoke etc. also can be adsorbed on circuit board and the electronic devices and components by in the radiator fan inhalation machine of electromagnetic oven, and the performance of the dielectric strength of circuit board and electronic devices and components and machine performance and life-span are caused very big influence.In addition, because electromagnetic oven mainly uses in the kitchen, the air inlet of electromagnetic oven and air outlet enter electromagnetic oven for mosquito, fly, cockroach etc. and have settled down convenience is provided, and in a single day it enter the high-pressure area of electromagnetic oven wiring board, very easily cause the short circuit of electric line, burn out electric line and electronic devices and components thereof.
Two, the thermal efficiency can't promote.The thermal efficiency generally can only reach 84-86%, and the thermal efficiency limit can only reach 90%, can't further promote again.Its loss is mainly aspect four: 1, power device loss (as: IGBT power tube, rectifier bridge, filter inductance etc.); 2, electric current flows through coil panel, power line and the copper loss that produces, and the resistance of coil panel own is big (about 0.1 ohm),, and the immediate current by coil panel is up to tens of amperes; So its only coil panel itself loss of last hectowatt is just arranged; 3, the iron loss of electromagnetic oven panel, because it is that its vertical heat transfer is fabulous that the material of crystallite (pottery) panel of electromagnetic oven has very big characteristics, and the bottom of pan directly contacts with the panel of electromagnetic oven, like this, the a part of heat of pan transmits downwards by the panel of electromagnetic oven, forms useless iron loss; 4, radiator fan and other electronic devices and components generate heat and the loss of generation.More than four formed heats of aspect loss, outwards dispelled away by radiator fan, cause thermal loss and waste, limited the lifting of the thermal efficiency.
Summary of the invention
In order to overcome the technical deficiency of existing electromagnetic oven, the utility model proposes a kind of: special electromagnetic conversion coil panel.And the structure of the totally enclosed type electromagnetic eddy heating system that does not have radiator fan and inlet and outlet that can utilize the metal shell heat radiation of self.
For achieving the above object, the utility model is achieved by the following technical programs: totally enclosed type electromagnetic conversion coil panel, and the metal shell of full-closed structure.The coil panel, coil panel carriage, high temperature that its main body comprises crystallite panel, special process isolate baffle plate, exhausted (every) hot material, power device and circuit board, described electromagnetic oven also comprises power device heat storage tank and metal shell.The material of the heat conduction of crystallite panel by containing soft magnetic bodies is sticked together electromagnetic conversion coil panel and crystallite panel.Below the electromagnetic conversion coil panel be soft magnetic bodies and coil panel carriage and thermal baffle, exhausted (every) hot material etc., the electromagnetic conversion coil panel is made a totally enclosed structure.Thereby guarantee high temperature that its electromagnetic conversion coil panel produces and transmit the heat collection of getting off to pass to again by the crystallite panel together and need heated utensil by the temperature of the heated utensil crystallite panel by boiler face.And can not lose to other direction transmission.The power device heat storage tank is located at the interior bottom of body of heater, power device and other components and parts that can generate heat are close on the heat storage tank outer wall by heat-conducting insulation material or are embedded in the bottom, heat storage tank is close on the metal shell by heat-conducting insulation material again, utilizes metal shell to dispel the heat to the external world.
The structure of totally enclosed type electromagnetic eddy heating system includes: crystallite panel (8), furnace surface temperature sensor (9), electromagnetic conversion lead loop (10), electromagnetic conversion coil panel encapsulant (11), soft magnetic bodies (12), coil panel carriage (13), high temperature is isolated baffle plate (14), panel enclosure (16), heat-barrier material (17), wiring board control section (18), wiring board insulation fixed support (19), power device (20,21,22,23), power device heat storage tank (24), heat-storing material (25), insulating heat-conduction material (26), shell (27), conducting strip (30); It is characterized in that: be bonded on the micro-crystalline ceramic panel after having soft magnetic bodies and Heat Conduction Material to seal around the above and below of electromagnetic conversion coil panel (10) reaches, isolate baffle plate (14), panel enclosure (16), heat-barrier material (17), be combined into a totally enclosed structure by coil panel carriage (13), high temperature; Described system also comprises power device heat storage tank (24), heat-storing material water or conduction oil (25) and conducting strip (30) is housed in heat storage tank (24) inside, can be embedded in its groove or surface by insulating heat-conduction material the electronic devices and components of heating; In totally enclosed electromagnetic conversion coil panel device, the lead loop of electromagnetic conversion coil panel can be divided into two-layer coiling, and in the middle of its two-layer coil, accompany soft magnetic bodies (12), below its lower floor, also there is the coil on its upper strata of soft magnetic bodies can be close on the micro-crystalline ceramic panel (8).Coil panel (10) directly is adhered to the bottom of crystallite panel (8).The electromagnetic conversion coil panel is isolated baffle plate (14), panel enclosure (16), totally enclosed structure of heat-barrier material (17) composition by coil panel carriage (13), the high temperature divided into.The electronic devices and components that meeting produced heat can be attached on the heat storage tank (24), and its heat is passed to heat storage tank (24).
Further measure is: described totally-enclosed electromagnetic conversion coil panel is that the coil with the conductor coiling is a core, thereon, following and around be bonded on the micro-crystalline ceramic panel after sealing with soft magnetic bodies and Heat Conduction Material.Can suitably adjust thickness, the area of distance between coil panel and micro-crystalline ceramic panel and soft magnetic bodies, the ratio of soft magnetic bodies etc. with border state factually.With the coil panel carriage it further is fixed on the micro-crystalline ceramic panel then.The bonding again one deck high temperature of distance certain outside the coil disc holder is isolated baffle plate, certain bonding again one deck heat insulation layer of distance outside high temperature is isolated baffle plate.Follow according to required and also can add or increase temperature less the isolation baffle plate.So just become one to be the totally enclosed structure at center with the electromagnetic conversion coil panel; Power device heat storage tank in the described body of heater is equipped with the heat storage tank of water or conduction oil in being, utilizes the heat absorption of water or conduction oil, earlier with heat collection and concentrate in the heat storage tank, slowly dispels the heat to the external world by modes such as shells then; Temperature sensor also is installed on the described power device, guarantees device and heat storage tank internal temperature rise below uniform temperature, and can overheated performance not exert an influence parts.
Compared with prior art, the utlity model has following marked improvement and outstanding feature: owing to be the integral body of a sealing with coil panel, the heat of its generation can only upwards return by the micro-crystalline ceramic panel and give the utensil that needs heating, its heat energy is made full use of, do not slattern and can not scatter and disappear to other local transmission, and can the hot ventilating system of astigmatism like that not only these heats not lost, also the bottom high temperature of the heated utensil of micro-crystalline ceramic panel can be lost.And body of heater is enclosed, does not have radiator fan and inlet and outlet, has avoided cockroach, mosquito, oil smoke etc. to enter body of heater inside well, has guaranteed the body of heater cleaning inside, has also avoided the body of heater internal circuit to enter the short circuit scaling loss because of foreign matter; Cancel radiator fan, eliminated noise that fan produced and fault rate.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of existing electromagnetic oven;
Fig. 2 is structural representation Fig. 1 of the present utility model;
Fig. 3 is structural representation Fig. 2 of the present utility model;
Fig. 4 is structural representation Fig. 3 of the present utility model;
Fig. 5 is the generalized section of existing electromagnetic conversion coil panel;
Fig. 6 is the floor map of the utility model embodiment one fully closed electromagnetic conversion coil panel;
Fig. 7 is the floor map of the utility model embodiment two fully closed electromagnetic conversion coil panels;
Fig. 8 is the floor map of the utility model embodiment three fully closed electromagnetic conversion coil panels;
Fig. 9 is the floor map of the utility model embodiment four fully closed electromagnetic conversion coil panels;
Figure 10 is the floor map of the utility model embodiment five fully closed electromagnetic conversion coil panels;
Figure 11 is the floor map of the utility model embodiment six fully closed electromagnetic conversion coil panels;
The specific embodiment
As shown in Figure 2, structural system of the present utility model is a full-enclosed structure; Totally enclosed type electromagnetic conversion coil panel assembly include crystallite panel 8, furnace surface temperature sensor 9, coil panel 10, packing matcrial 11, soft magnetic bodies 12, coil panel carriage 13, high temperature isolate baffle plate 14, panel enclosure 16, exhausted (every) hot material baffle plate 17.System also comprises in addition: wiring board control section 18, wiring board insulation fixed support 19, power device (20,21,22,23), power device heat storage tank 24, heat-storing material 25.Insulating heat-conduction material 26, shell 27, conducting strip 30; And control panel, power line etc.
Will be with the coil panel of conductor coiling with the soft magnetism iron powder (other soft magnetic bodies) that contain certain cement (high-temp glue or other encapsulant) be packaged together (or with heat conduction encapsulant with soft magnetic bodies encapsulate the coil panel of conductor coiling).Be bonded in closely on the micro-crystalline ceramic panel then.With the coil panel carriage it further is fixed on the micro-crystalline ceramic panel again.The bonding again one deck high temperature of distance certain outside the coil disc holder is isolated baffle plate, certain distance bonding again one deck heat insulation layer on panel enclosure outside high temperature is isolated baffle plate.So just become one to be the totally enclosed structure at center with the electromagnetic conversion coil panel;
Between wiring board control section and power device heat storage tank, install one deck insulating materials additional.So that wiring board and heat storage tank fixed and insulated.
The material of power device heat storage tank 24 can select for use the good copper of heat transfer property, aluminum or aluminum alloy and other metal material to make, and can timely heat be passed to inner thermal store, and to space heat elimination.Inner thermal store can be water or conduction oil.Also can install conducting strip 30 additional so that transmit heat rapidly and uniformly.Go up all right mounting temperature sensor at power device (20,21,22,23), can guarantee that the temperature rise of device and heat storage tank inside is controlled at below certain temperature, and can overheated performance not exert an influence parts.
Among second embodiment as shown in Figure 3, shell 27 promptly is the shell of stove and accessory, simultaneously again as the part of power device heat storage tank.
Among the 3rd embodiment as shown in Figure 4, do shell 33, power device heat storage tank 24 is fixed on the pillar 32 of shell 33 with plastic cement or plastic or other material.
Among the 4th embodiment as shown in Figure 6, the lead of coil panel 10 is to make with (copper, aluminium etc.) conductor, but closely bonds together with the micro-crystalline ceramic panel with the soft magnetic bodies 12 usefulness heat conduction encapsulant of permeability magnetic material (or contain) material 11 sealing backs behind reinforced insulation after the coiling.With coil panel carriage 13 it further is fixed on the micro-crystalline ceramic panel 8 again.The bonding again one deck high temperature of distance certain outside the coil disc holder is isolated plate washer 14, certain distance bonding again one deck heat insulation layer 17 on panel enclosure 16 outside high temperature is isolated baffle plate.So just become one to be the totally enclosed structure at center with the electromagnetic conversion coil panel;
Among the 5th embodiment as shown in Figure 7, soft magnetic bodies 12 is only arranged below coil panel 10 with different being among the 4th embodiment shown in Figure 6 in it.Can by adjust the distance between coil panel and micro-crystalline ceramic panel or contain thickness, the area of the encapsulant 11 of permeability magnetic material, the ratio that contains soft magnetic bodies waits and avoids the magnetic saturation phenomenon.
Among the 6th embodiment as shown in Figure 8, with different being in coil panel 10 among first embodiment shown in Figure 6 is to be sealed to an integral body in being embedded in the soft magnetic bodies (iron powder) that contains a small amount of adhesives (but cement or other viscose glue class), thereby has saved or reduces the special-purpose soft magnetic bodies 12 of use.And the heat conductivility of soft magnetic bodies (iron powder) is also fine.So can directly or by heat-conducting silicone grease (oil, glue) be bonded on the micro-crystalline ceramic panel 8.
According to technique scheme, in coil disc holder 13, be full of (heat-conducting silicone grease, heat conduction wet goods) Heat Conduction Material 34 among the 7th embodiment as shown in Figure 9.Utilize Heat Conduction Material to give pot by 8 passbacks of crystallite panel with the high temperature copper loss that coil panel produces.
Among the 8th embodiment as shown in figure 10 according to technique scheme, in totally enclosed electromagnetic conversion coil panel device, the lead loop of electromagnetic conversion coil panel is divided into two-layer coiling, and accompanies soft magnetic bodies 12 in the middle of its two-layer coil, and soft magnetic bodies 12 is also arranged below its lower floor.The suitable inductance of one deck coil below it has magnetic saturation in the work to prevent whole winding, and one deck coil above it converts the electric field of alternation to the heat energy of electromagnetic eddy as the electromagnetic conversion coil.The coil on its upper strata can be close on the micro-crystalline ceramic panel 8 simultaneously, and the high temperature copper loss that coil panel can be produced is given pot by 8 passbacks of crystallite panel.
According to technique scheme, in totally enclosed electromagnetic conversion coil panel device, electromagnetic conversion coil panel and crystallite face can be designed to different shapes with border situation factually among the 9th embodiment as shown in figure 11.
Those skilled in the art according to actual needs; also can design the totally enclosed type system of more different structure forms; but the foregoing description is only enumerated for explanation the utility model; be not to be used to limit the utility model; the structure of any effects equivalent based on the conversion of the technical program institute all belongs to protection domain of the present utility model.
Claims (4)
1, the structure of totally enclosed type electromagnetic eddy heating system:
Include: crystallite panel (8), furnace surface temperature sensor (9), electromagnetic conversion lead loop (10), electromagnetic conversion coil panel encapsulant (11), soft magnetic bodies (12), coil panel carriage (13), high temperature is isolated baffle plate (14), panel enclosure (16), heat-barrier material (17), wiring board control section (18), wiring board insulation fixed support (19), power device (20,21,22,23), power device heat storage tank (24), heat-storing material (25), insulating heat-conduction material (26), shell (27), conducting strip (30); It is characterized in that: be bonded on the micro-crystalline ceramic panel after having soft magnetic bodies and Heat Conduction Material to seal around the above and below of electromagnetic conversion coil panel (10) reaches, isolate baffle plate (14), panel enclosure (16), heat-barrier material (17), be combined into a totally enclosed structure by coil panel carriage (13), high temperature; Described system also comprises power device heat storage tank (24), heat-storing material water or conduction oil (25) and conducting strip (30) is housed in heat storage tank (24) inside, can be embedded in its groove or surface by insulating heat-conduction material the electronic devices and components of heating; In totally enclosed electromagnetic conversion coil panel device, the lead loop of electromagnetic conversion coil panel can be divided into two-layer coiling, and in the middle of its two-layer coil, accompany soft magnetic bodies (12), below its lower floor, also there is the coil on its upper strata of soft magnetic bodies can be close on the micro-crystalline ceramic panel (8).
2, the structure of totally enclosed type electromagnetic eddy heating system according to claim 1 is characterized in that: described coil panel (10) directly is adhered to the bottom of crystallite panel (8).
3, the structure of totally enclosed type electromagnetic eddy heating system according to claim 1 is characterized in that: described electromagnetic conversion coil panel is isolated baffle plate (14), panel enclosure (16), totally enclosed structure of heat-barrier material (17) composition by coil panel carriage (13), the high temperature divided into.
4, the structure of totally enclosed type electromagnetic eddy heating system according to claim 1 is characterized in that: the electronic devices and components that meeting produced heat can be attached on the heat storage tank (24), and its heat is passed to heat storage tank (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202099280U CN201335436Y (en) | 2008-10-07 | 2008-10-07 | Structure of fully-enclosed electromagnetic eddy heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202099280U CN201335436Y (en) | 2008-10-07 | 2008-10-07 | Structure of fully-enclosed electromagnetic eddy heating system |
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| CN201335436Y true CN201335436Y (en) | 2009-10-28 |
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| CNU2008202099280U Expired - Fee Related CN201335436Y (en) | 2008-10-07 | 2008-10-07 | Structure of fully-enclosed electromagnetic eddy heating system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135282A (en) * | 2011-04-27 | 2011-07-27 | 徐州佳乐节能科技有限公司 | Multipurpose energy-saving induction cooker |
| CN102448207A (en) * | 2010-10-08 | 2012-05-09 | 私立中原大学 | Induction heating device and control method thereof |
| CN108592403A (en) * | 2018-04-13 | 2018-09-28 | 蒋志丽 | A kind of orthopaedics topical application of drug medicine puree rotary heating equipment |
| CN109922553A (en) * | 2019-03-05 | 2019-06-21 | 徐士刚 | A kind of electromagnetic electrothermic one heating system |
| CN110345522A (en) * | 2019-07-30 | 2019-10-18 | 慈溪万陇电器有限公司 | A kind of adjustable dismounting-mounting type efficient energy-saving electric oven |
| CN110753411A (en) * | 2019-10-23 | 2020-02-04 | 樊承亮 | Magnetic yoke body of induction heating furnace |
-
2008
- 2008-10-07 CN CNU2008202099280U patent/CN201335436Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102448207A (en) * | 2010-10-08 | 2012-05-09 | 私立中原大学 | Induction heating device and control method thereof |
| CN102135282A (en) * | 2011-04-27 | 2011-07-27 | 徐州佳乐节能科技有限公司 | Multipurpose energy-saving induction cooker |
| CN108592403A (en) * | 2018-04-13 | 2018-09-28 | 蒋志丽 | A kind of orthopaedics topical application of drug medicine puree rotary heating equipment |
| CN109922553A (en) * | 2019-03-05 | 2019-06-21 | 徐士刚 | A kind of electromagnetic electrothermic one heating system |
| CN110345522A (en) * | 2019-07-30 | 2019-10-18 | 慈溪万陇电器有限公司 | A kind of adjustable dismounting-mounting type efficient energy-saving electric oven |
| CN110345522B (en) * | 2019-07-30 | 2020-07-07 | 慈溪万陇电器有限公司 | Adjustable dismounting type high-efficiency energy-saving electric furnace |
| CN110753411A (en) * | 2019-10-23 | 2020-02-04 | 樊承亮 | Magnetic yoke body of induction heating furnace |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20091028 Termination date: 20111007 |