CN1282852C - Heating device for microwaven oven - Google Patents
Heating device for microwaven oven Download PDFInfo
- Publication number
- CN1282852C CN1282852C CN 02153116 CN02153116A CN1282852C CN 1282852 C CN1282852 C CN 1282852C CN 02153116 CN02153116 CN 02153116 CN 02153116 A CN02153116 A CN 02153116A CN 1282852 C CN1282852 C CN 1282852C
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- heater
- extension
- extending part
- palisade
- cooking
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Abstract
The present invention relates to a heating device for a microwave oven, which comprises a heater in the shape of a polygonal line. A first extending part forms the heater in the shape of a polygonal line; a rotary track of the first extending part, which is corresponding to cooked food, extends according to certain length. A second extending part which forms the heater in the shape of a polygonal line keeps a certain distance with the first extending part, and extends according to corresponding shape. A supporting part extends from the first extending part and the second extending part, and supports the first extending part and the second extending part, and the supporting part is connected with a power cord. The first extending part and the second extending part are positioned in the area of the cooked food and are corresponding to the rear side of the cooking chamber. The front ends of the first extending part and the second extending part are connected by a connecting part. The first extending part and the second extending part overlap at least one quarter of the area of a circle of an integral shaping part. The present invention can evenly heat the inside of the outside of an object to be cooked, which improves cooking quality and can also prevent a grid-shaped heater from overheating a door.
Description
Technical field
The present invention relates to micro-wave oven, relate in particular to the assisted heating device of micro-wave oven.
Background technology
Micro-wave oven is that the supply by electric current produces microwave (MICROWAVE), the device that the heating target thing is heated by the irradiation of microwave.The basic mode of heating of prior art micro-wave oven is that microwave feeds is shone object to the inside of cooking room.Only have the single heating characteristic of utilizing microwave to heat owing to carry out the micro-wave oven of mode of heating by microwave, current micro-wave oven inside also is provided with the heater as the another one heating source.In addition, halogen lamp (HALOGEN LAMP) is set also in the inside of micro-wave oven, above-mentioned halogen lamp not only can provide the heat of high temperature, but also has the characteristic of the surface of food being given brown colouring additive (BROWNING).
Below, the prior art microwave oven structure that heater is installed is elaborated.
Fig. 1 is the general microwave oven structure that is equipped with as dual (DOUBLE) palisade heater of auxiliary heating part.As shown in Figure 1, the inside of micro-wave oven 1 possesses cooking room 3 is arranged, and cooks in cooking room 3; One side of micro-wave oven 1 is provided with electric control chamber 5, possess in the electric control chamber 5 magnetron 7 (MAGNETRON) that produces microwave arranged, the electric-controlled parts of high-tension transformer 9 (TRANSFORMER) etc., the inside that antenna (ANTENNA) and the waveguide 10 (WAVEGUIDE) of described microwave by magnetron 7 shines cooking room 3.
The outside of external box of microvave 11 encirclement micro-wave ovens 1 forms the outward appearance of the top and two sides of micro-wave oven 1.For make cooking room 3 optionally with external communications, door 12 is arranged on the front panel (PLATE) 13 that forms micro-wave oven 1 front.Door 12 has been occupied the major part of micro-wave oven 1 front outward appearance.
As shown in Figure 1, palisade heater 40 be arranged on cooking room 3 above, palisade heater 50 be arranged on cooking room 3 below.The position that is provided with according to palisade heater 40 and palisade heater 50 can change by heater-driven.
To cook object 14 and be placed on the turntable 15 (TURN TABLE), turntable 15 is arranged on the lower central of cooking room 3.Turntable 15 rotation cooking objects 14 are sent on the cooking object 14 heat of palisade heater 40 and palisade heater 50 equably.
Fig. 2 is the sectional drawing of above-mentioned palisade heater, and Fig. 3 is the plane of above-mentioned palisade heater.Because palisade heater 40 and palisade heater 50 are of similar shape, only the palisade heater 50 that is arranged on below the cooking room on 51 is described in the explanation below.
Be formed with the forming part 52 of toroidal below the cooking room on 51, forming part 52 contents are provided with palisade heater 50.Preferably with center, the center of turntable 15 near the forming part 52 of toroidal.Palisade heater 50 is arranged under the situation below the cooking room 3, forming part 52 to the downside of cooking room 51 be recessed to form can ccontaining heater 50 structure.
As shown in Figure 3, be equipped with the tetragonal wire heater 54 that roughly meets at right angles in the forming part 52 of above-mentioned palisade heater 50.The wire heater 54 of upside on the drawing and downside obtains from the support of the support portion 53 that forming part 52 prolongs towards the right side of cooking room 3.
Below, the heating process of micro-wave oven with said structure is described.
The turntable 15 that is formed on cooking room 3 lower ends of micro-wave oven 1 obtains turntable motor revolving force not shown in the figures and is rotated, and makes cooking object 14 rotations of putting thereon.As mentioned above, during by turntable 15 rotation cooking objects 14, the 50 pairs of cookings of palisade heater 40 and palisade heater object 14 heats.
But the palisade heating appliances with prior art of said structure has following shortcoming.
As shown in Figure 2, because palisade heater 40 and palisade heater 50 in the cooking room 3 are square shapes, so be unfavorable for even heating to cooking object 14.In addition, the overlapped area of palisade heater 40 and palisade heater 50 and cooking object 14 is relative less, palisade heater 40 and palisade heater 50 cause part overheated (OVERHEAT) through the certain tracks of cooking object 14 continuously, produce the phenomenon that cooking object 14 is burnt.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing micro-wave oven auxiliary heater exists, the invention provides a kind of heater of micro-wave oven, so that cooking object is evenly heated.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of heater of micro-wave oven includes the heater of broken line shape, it is characterized in that, the 1st extension that forms the wire heater prolongs according to certain-length corresponding to the swing-around trajectory of gratin; The 2nd extension and described the 1st extension that form the wire heater keep a determining deviation to prolong with corresponding shape; The support portion prolongs and joins with power line and support the 1st extension and the 2nd extension from described the 1st extension and the 2nd extension; Above-mentioned heater is arranged on the inside of forming part, the position that described forming part is equivalent to the cooking room bottom surface is provided with the turntable that is used to rotate cooking object, and the length of described the 1st extension and the 2nd extension makes 1/4th above overlaids of the area of a circle of the area of heater and forming part.
In an embodiment of the present invention, described the 1st extension and the 2nd extension site cooking room rear side in the band of position of placing gratin.
In an embodiment of the present invention, the front end that links described the 1st extension and the 2nd extension by the linking part that forms the wire heater.
The present invention is owing to being arranged on the inboard and the outside of the forming part of toroidal with above-mentioned wire heater along the circumferencial direction of forming part, so the inboard and the outside of cooking object are evenly heated.In addition, the area that is provided with of the wire heater of forming part inside is reached more than 1/4th of whole circumferential area, can reach best even heating condition.
So, can heat according to the specific cooking purpose of cooking object, not only improve the taste of the cooking, but also satisfied user's requirement.
In addition, the present invention is because with the rear of palisade heater near cooking room, so can prevent to cause because of the palisade heater superheating phenomenon of door.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the front elevation that the general micro-wave oven of palisade heater is installed.
Fig. 2 is the sectional drawing of the mounting structure of general palisade heater.
Fig. 3 is the plane of the palisade heater mounting structure of prior art.
Fig. 4 is the plane of the example structure of microwav eoven heater device of the present invention.
The number in the figure explanation
100: 102: the 1 extensions of palisade heater
108: support portion 200: forming part (FORMING)
The specific embodiment
Below with reference to back accompanying drawing paper, the example structure of the heater of micro-wave oven with said structure is elaborated.
Fig. 4 is the plane of the palisade heater of present embodiment.(part identical with prior art microwave oven structure shown in Figure 1 used identical symbol in the explanation below.)
The palisade heater 100 of present embodiment heats cooking object by radiant heat, is a kind of thermal source that uses on the micro-wave oven 1.Above-mentioned palisade heater 100 can be arranged on the one side of cooking chamber for microwave oven.At this moment, also palisade heater 100 can be arranged on top or the following or back side of cooking room 3, also can be arranged on the inside of the cooking room of cooking 3 according to the shape of palisade heater 100.Though can a palisade heater 100 simultaneously be set, be benchmark upper and lower settings a pair of palisade heater with turntable 15 in the present embodiment in certain of cooking room 3.
Above-mentioned palisade heater 100 possesses in the inside of forming part 200, and described forming part 200 forms the one side of cooking room.The position that is equivalent to the cooking room bottom surface in the forming part 2 00 is provided with the turntable that is used to rotate cooking object.Form the structure of the pivot of above-mentioned turntable near forming part 200 centers.So, in the present embodiment, for the convenience on illustrating forming part 200 is used as turntable and describes.
Below, the structure that possesses at the palisade heater 100 of forming part 200 inside is elaborated.As shown in Figure 4, the 1st extension 102 of palisade heater 100 is as the wire heater, prolongs according to certain-length along the circumference of forming part 200.Above-mentioned the 1st extension 102 approximately extends to half degree of the circumferential length of forming part 200.The shape of above-mentioned the 1st extension 102 is corresponding with the circumferential shapes of forming part 200, though repeatedly be bent to form in the present embodiment, the curve shape with certain curvature is also passable.
Be provided with the 2nd extension 104 accordingly with above-mentioned the 1st extension 102.The 2nd extension 104 is compared the track prolongation that above-mentioned the 1st extension 102 compares nearer along the center from forming part 200.So described the 1st extension 102 keeps a determining deviation to prolong.The 2nd extension 104 extends to half degree of the circumferential length of forming part 200 equally accordingly with the 1st extension 102.
The front end that links the 1st extension 102 and the 2nd extension 104 by linking part 106 mutually.Linking part 106 electrically links the 1st extension 102 and the 2nd extension 104 mutually, works to support the 1st extension 102 and the 2nd extension 104.
Described the 1st extension 102 and the 2nd extension 104 are arranged on the position corresponding to the cooking room rear of forming part 200 inside.That is to say, be arranged in the above-mentioned forming part 200 rear end half-round corresponding to cooking room.In addition, when designing the length of above-mentioned the 1st extension 102 and the 2nd extension 104, length must reach the heating that obtains palisade heater 100 more than 1/4th simultaneously of the area of a circle that makes global formation portion 200 at least.
One end of above-mentioned the 1st extension 102 and the 2nd extension 104 links respectively support portion 108.The effect of described support portion 108 is the integral body that supports palisade heater 100, to the 1st extension 102 and the 2nd extension 104 supply power supplys.
Below, the effect of the heater of micro-wave oven of the present invention with said structure is elaborated.
In the present invention, be provided with the 1st extension 102 and the 2nd extension 104 of wire heater along the circumferencial direction of forming part 200 with keeping a determining deviation.So, can make by being arranged on the cooking object heating of turntable on the above-mentioned forming part 200 rotating, in certain interval of its swing-around trajectory, can obtain the heat that the 1st extension 102 and the 2nd extension 104 transmit simultaneously.
In addition, palisade heater 100 does not heat to cooking object between the given zone of the swing-around trajectory of cooking object.At this moment, the heat of palisade heater 100 in the present invention to the area of cooking object heating at least more than 1/4th of whole circumferential area.This is overheated and phenomenon such as burn for the privileged site that prevents to cook object, and the inboard and the outside of cooking object are evenly heated.
On the one hand, in the present invention, above-mentioned the 1st extension 102 and the 2nd extension 104 are arranged on the rear position corresponding to cooking room, this is to cause the overheated of door and shine the user because of the thermal conductance of palisade heater 100 in order to prevent.
In the present invention with said structure, cooking object is placed on the turntable of cooking room, close the state of door and select down, press and begin to cook key, apply power supply to cooking room palisade heater 100 up and down by support portion 108 by after the heating means of palisade heater 100.At this moment, above-mentioned the 1st extension 102 and the 2nd extension 104 obtain heating after the supply of electric current.Above-mentioned palisade heater 100 adds thermal exposure cooking object.
After the cooking beginning, turntable is rotated cooking object is rotated together, makes whole cooking object obtain the heat that palisade heater 100 transmits.Particularly, because the 1st extension 102 of palisade heater 100 and the corresponding shape of swing-around trajectory of the 2nd extension 104 and turntable are prolonged according to certain-length, can heat to the particular range of cooking object simultaneously in the present invention.
At this moment, the direct-fired area of 104 pairs of above-mentioned the 1st extension 102 and the 2nd extensions cooking object be equivalent to forming part the area of a circle 1/4th, the even heating that above-mentioned palisade heater 100 is formed cooking object.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (3)
1, a kind of heater of micro-wave oven includes the heater of broken line shape, it is characterized in that,
The 1st extension of formation wire heater prolongs according to certain-length corresponding to the swing-around trajectory of gratin;
The 2nd extension and described the 1st extension that form the wire heater keep a determining deviation to prolong with corresponding shape;
The support portion prolongs and joins with power line and support the 1st extension and the 2nd extension from described the 1st extension and the 2nd extension;
Above-mentioned heater is arranged on the inside of forming part, and the position that described forming part is equivalent to the cooking room bottom surface is provided with the turntable that is used to rotate cooking object;
The length of described the 1st extension and the 2nd extension makes 1/4th above overlaids of the area of a circle of the area of heater and forming part.
2, the heater of micro-wave oven according to claim 1 is characterized in that described the 1st extension and the 2nd extension site cooking room rear side in the zone of placing gratin.
3, the heater of micro-wave oven according to claim 2 is characterized in that the linking part by formation wire heater links the front end of above-mentioned the 1st extension and the 2nd extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153116 CN1282852C (en) | 2002-11-26 | 2002-11-26 | Heating device for microwaven oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153116 CN1282852C (en) | 2002-11-26 | 2002-11-26 | Heating device for microwaven oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502862A CN1502862A (en) | 2004-06-09 |
| CN1282852C true CN1282852C (en) | 2006-11-01 |
Family
ID=34234938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02153116 Expired - Fee Related CN1282852C (en) | 2002-11-26 | 2002-11-26 | Heating device for microwaven oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1282852C (en) |
-
2002
- 2002-11-26 CN CN 02153116 patent/CN1282852C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1502862A (en) | 2004-06-09 |
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