CN1704660A - Microwave oven - Google Patents

Microwave oven Download PDF

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Publication number
CN1704660A
CN1704660A CN 200410019413 CN200410019413A CN1704660A CN 1704660 A CN1704660 A CN 1704660A CN 200410019413 CN200410019413 CN 200410019413 CN 200410019413 A CN200410019413 A CN 200410019413A CN 1704660 A CN1704660 A CN 1704660A
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CN
China
Prior art keywords
electric heater
furnace chamber
micro
wave oven
described electric
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Granted
Application number
CN 200410019413
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Chinese (zh)
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CN100516656C (en
Inventor
尹熙奉
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CNB2004100194130A priority Critical patent/CN100516656C/en
Publication of CN1704660A publication Critical patent/CN1704660A/en
Application granted granted Critical
Publication of CN100516656C publication Critical patent/CN100516656C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This invention discloses a microwave oven, which comprises body, furnace chamber, electric heater and heater cap, wherein the furnace chamber is inside the body forming cooking chamber, and the electric heater is set above the roof of the furnace chamber used for heating and providing high-heat air to the cooking chamber; the heater cap is set above the roof of the furnace chamber, and its front and rear lateral sides have at least one side forming circular arc forwards or downwards. Said structure can decrease the high-heat air flowing to peripherial place, and increase the high-heat air flowing to the central place of the cooking chamber, by which can quickly and evenly heat the food in the central gridiron of the furnace chamber.

Description

Micro-wave oven
Technical field
The present invention relates to a kind of micro-wave oven.
Background technology
In general, micro-wave oven is that a kind of microwave that utilizes (is that frequency is up to 2, the frequency electromagnetic waves of 450MHz) is the household electrical appliance of heating source, its operation principle is: under the effect of microwave, the orientation of the molecule in the food constantly changes, make the living heat of repeated friction between the molecule, thereby food temperature is raise, reach culinary purpose.
The novel microwave oven of releasing on the market is provided with electric heater in micro-wave oven recently, makes micro-wave oven have electric heating function, not only can utilize microwave to come cooking food in other words, and can utilize high temperature hot gas to come cooking food.
Fig. 1, Fig. 2 and Fig. 3 show a kind of existing micro-wave oven that optionally utilizes microwave or high temperature hot gas to cook.
As Fig. 1, Fig. 2 and shown in Figure 3, above-mentioned existing micro-wave oven comprises: body 10, furnace chamber 20 and electricity storage chamber; Described body 10 constitutes the outward appearance of micro-wave oven; Described furnace chamber 20 is positioned at body 10 inside and forms cooking room; The inside of described electricity storage chamber is provided with the electric heater assembly that is used for generating heat, magnetron 41 and the high-tension transformer 42 that generates microwave.
The central interior of described furnace chamber 20 is provided with removable grill 50, when utilizing the high temperature hot gas cooking food, in the cooking room grill 50 can be installed.
Described electric heater assembly is horizontally installed on the central part above the furnace chamber 20, and the electric heater assembly comprises: electric heater 31 and the electric heater lid 32 that covers electric heater 31.
Be equipped with on the roof of furnace chamber 20 of electric heater assembly, be formed with several through holes 21 corresponding to the installation position of electric heater 31; The two sides, front and back of described electric heater lid 32 are formed slopely, thereby the high temperature hot gas that electric heater 31 is produced reflexes in the cooking room.
Therefore, when utilizing the high temperature hot gas cooking food, be arranged on electric heater 31 heating powers above the furnace chamber 20.
At this moment, because food is placed on above the interior grill 50 of cooking room, the high temperature hot gas that electric heater 31 heatings generate flows in the cooking room, to the cooking food on the grill 50 by each through hole at furnace chamber 20 tops.
In said process, the high temperature hot gas that 31 heatings of electric heater lid 32 reflection electric heaters generate provides high temperature hot gas to cooking room inside.
But, in above-mentioned existing micro-wave oven, have only the two sides, front and back to tilt to the front and back of body 10 respectively owing to cover the electric heater lid 32 of electric heater 31, the high temperature hot gas that electric heater 31 heatings generate not only flows on the food that is placed on the cooking room central interior, but also disperse to the inner both sides of cooking room, therefore have the lower shortcoming of the efficiency of heating surface.
In addition, owing to be subjected to the restriction that electric heater covers 32 shapes, can not effectively utilize the radiant heat energy of electric heater 31.
Because grill 50 is arranged on the central authorities of cooking room inside, food is placed on the central authorities of grill 50, and the heat that electric heater 31 produces can not all directly offer the food that is placed on the grill 50, and at this moment the cooking efficiency of micro-wave oven is lower certainly.
Summary of the invention
Technical problem to be solved by this invention is the shortcoming that overcomes above-mentioned existing micro-wave oven, and providing a kind of can the concentrated area provide the higher micro-wave oven of cooking efficiency of the high temperature hot gas that is generated by the electric heater heating to cooking room central interior position.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: micro-wave oven of the present invention comprises: body, furnace chamber, electric heater and electric heater lid; Described body constitutes the outward appearance of micro-wave oven; Described furnace chamber is arranged on body interior and forms cooking room; Described electric heater be installed in furnace chamber roof above, the effect of electric heater is and heating and provide high temperature hot gas to cooking room inside; Described electric heater lid is installed in roof top of furnace chamber and covers electric heater; Have at least a side forwards or rearward to form circular shape in the leading flank of described electric heater lid and the trailing flank.
The medial surface of described electric heater lid forms and can reflect the reflecting surface of high temperature hot gas.
The position that the leading flank of described electric heater lid contacts with furnace chamber forwards tilts gradually; The trailing flank of described electric heater lid is to the bending of the rear of furnace chamber, and its position that contacts with furnace chamber of while is tilted rearward gradually.
The gradient of the trailing flank of described electric heater lid is less than the gradient of the leading flank of electric heater lid.
The slant range of the central part of the trailing flank of described electric heater lid is greater than the slant range at position, both sides.
Micro-wave oven of the present invention can also be, comprise: body, furnace chamber and electric heater; Described body constitutes the outward appearance of micro-wave oven; Described furnace chamber is arranged on body interior and forms cooking room; The front portion of the inboard roof of described furnace chamber or rear recess are formed with an electric heater mounting groove that has a face forward or rear bending at least, and described electric heater is installed in the electric heater mounting groove.
The medial surface of described electric heater mounting groove forms can reflect the reflecting surface of high temperature hot gas, plays the effect of electric heater lid.
The contacted position of the leading flank of described electric heater mounting groove and furnace chamber forwards tilts gradually; The contacted position of the trailing flank of described electric heater mounting groove and furnace chamber is tilted rearward gradually.
The gradient of the trailing flank of described electric heater mounting groove is less than the gradient of the leading flank of electric heater mounting groove.
The slant range of the central part of described electric heater mounting groove is greater than the slant range at its position, both sides.
The invention has the beneficial effects as follows: the high temperature hot gas that reduces the peripheral position that flows to cooking room inside, increase the high temperature hot gas of the central part that flows to cooking room inside, therefore can heat the food that is placed on the furnace chamber central interior grill more fast, equably, improve cooking efficiency.
In addition, the structure of micro-wave oven embodiment 2 of the present invention also has the advantage that reduces manufacturing process and reduce material consumption.
Description of drawings
Fig. 1 is existing microwave oven decomposing schematic representation;
Fig. 2 is the plane of the installation position of existing micro-wave oven electric heater lid;
Fig. 3 is the sectional view of existing micro-wave oven internal structure;
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of micro-wave oven embodiment 1 of the present invention;
Fig. 5 is the plane of the installation position of the electric heater lid of micro-wave oven embodiment 1 of the present invention;
Fig. 6 is the sectional view of the internal structure of micro-wave oven embodiment 1 of the present invention;
Fig. 7 is the plane of the installation position of the electric heater lid of micro-wave oven embodiment 2 of the present invention;
Fig. 8 is the sectional view of the internal structure of micro-wave oven embodiment 2 of the present invention.
Among the figure:
10: body 200: furnace chamber
210: through hole 310: electric heater
320: electric heater lid 321: the leading flank of electric heater lid
322: the trailing flank 600 of electric heater lid: furnace chamber
620: electric heater mounting groove 621: the leading flank of electric heater mounting groove
622: the trailing flank of electric heater mounting groove
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Embodiment 1
As Fig. 4, Fig. 5 and shown in Figure 6, micro-wave oven of the present invention comprises: body 10, furnace chamber 200, electric heater 310 and circular arc electric heater lid 320.
Described body 10 constitutes the outward appearance of micro-wave oven; Described furnace chamber 200 is arranged on a side of described body 10 inside and forms cooking room, is formed with several through holes 210 on the roof of furnace chamber 200.
Described electric heater 310 is installed in the position that is formed with through hole 210 above furnace chamber 200 roofs, and the effect of electric heater 310 is and heating and provide high temperature hot gas to cooking room inside.
Described electric heater lid 320 is circular shape, and electric heater 310 is covered, and has at least a side forwards or rearward to form circular shape in the leading flank 321 of electric heater lid 320 and the trailing flank 322.
If described electric heater 310 is installed in the front portion of furnace chamber 200 roofs, the leading flank 321 of then described electric heater lid 320 forms circular shape; If described electric heater 310 is installed in the rear portion of furnace chamber 200 roofs, the trailing flank 322 of then described electric heater lid 320 forms circular shape.
If described electric heater 310 is installed in the central part of furnace chamber 200 roofs, the leading flank 321 and the trailing flank 322 of then described electric heater lid 320 all form circular shape, so that the radiant heat that electric heater 310 is produced is concentrated to the central authorities of cooking room.
Owing to have at least a side to form circular shape in the leading flank 321 of electric heater lid 320 and the trailing flank 322, the radiant heat that electric heater 310 is produced changes direction to the hot gas that position, cooking room both sides provides, cooking room central part to placement food provides, thereby can improve the cooking efficiency of micro-wave oven.
In the present embodiment, described electric heater 310 is arranged on the rear portion of furnace chamber 200 roofs, and therefore, the trailing flank 322 of described electric heater lid 320 forms circular shape.
The position that the leading flank 321 of described electric heater lid 320 contacts with furnace chamber 200 forwards tilts gradually; The trailing flank 322 of described electric heater lid 320 is to the bending of the rear of furnace chamber 200, and its position that contacts with furnace chamber 200 of while is tilted rearward gradually.
The gradient of the trailing flank 322 of described electric heater lid 320 is less than the gradient of the leading flank 321 of electric heater lid 320; And the slant range of the central part of the trailing flank 322 of described electric heater lid 320 is greater than the slant range at position, both sides, therefore, no matter the size of the food in the cooking room how, all can obtain satisfied cooking effect.
In addition, because the medial surface of described electric heater lid 320 forms reflecting surface, can reflect the high temperature hot gas that electric heater 310 produces effectively.
The course of work to micro-wave oven embodiment 1 of the present invention is illustrated below:
At first, grill 50 is placed on furnace chamber 200 inside, and food is placed on the grill 50, close fire door, make electric heater 310 energisings, electric heater 310 generates heat and generates high temperature hot gas.
Electric heater 310 heating and generate high temperature hot gas by the internal face reflection of electric heater lid 320 flows to food on furnace chamber 200 grills 50 by being positioned at through hole 210 on furnace chamber 200 roofs.
Described electric heater lid 320 is in 310 heatings of reflection electric heater and generate in the process of high temperature hot gas, is provided to cooking room inside according to the angle of reflection that the leading flank 321 of electric heater lid 320 forms by the high temperature hot gas of leading flank 321 reflections of electric heater lid 320; Provided to cooking room inside by the angle of reflection of the high temperature hot gas of inboard trailing flank 322 reflections of electric heater lid 320 according to trailing flank 322 formation of electric heater lid 320.
Because being shaped as of the trailing flank 322 of described electric heater lid 320 is big more near the rearward crooked radian of central part more, therefore, is all provided to the central authorities of cooking room inside by the high temperature hot gas of trailing flank two lateral reflections of electric heater lid 320.
So, can flash-cook be arranged on the food on the grill 50 of cooking room central interior, improve cooking efficiency.
Embodiment 2
As shown in Figure 7 and Figure 8, micro-wave oven of the present invention comprises: body 10, furnace chamber 600 and electric heater 310.
Described body 10 constitutes the outward appearance of micro-wave oven; Described furnace chamber 600 is arranged on a side of described body 10 inside and forms cooking room.
The electric heater lid that does not comprise independent setting among the micro-wave oven embodiment 2 of the present invention covers identical electric heater mounting groove 620 but form its effect on the inboard roof of furnace chamber 600 with electric heater in the embodiment of the invention 1.
Specifically, be recessed to form an electric heater mounting groove 620 in the installation position of electric heater 310 on the inboard roof of described furnace chamber 600, described electric heater 310 is installed in the electric heater mounting groove 620.
Have at least in the leading flank 621 of described electric heater mounting groove 620 and the trailing flank 622 side forwards or the rear form circular shape, in other words, the shape of electric heater mounting groove 620 is identical with the shape that electric heater in the embodiment of the invention 1 covers.
The trailing flank 622 of described electric heater mounting groove 620 also forms circular shape.
The leading flank 621 of described electric heater mounting groove 620 forwards tilts gradually with furnace chamber 600 contacted positions; The trailing flank 622 of described electric heater mounting groove 620 and furnace chamber 600 contacted positions are tilted rearward gradually; The gradient of the trailing flank 622 of described electric heater mounting groove 620 is less than the gradient of the leading flank 621 of electric heater mounting groove 620, and the slant range of its central part is greater than the slant range at its position, both sides simultaneously.
The medial surface of described electric heater mounting groove 620 forms can reflect the reflecting surface of high temperature hot gas, can reflect the high temperature hot gas that electric heater 310 produces effectively.
As mentioned above, the electric heater mounting groove 620 in the embodiment of the invention 2 forms integrative-structure with the roof of furnace chamber 600, has the advantage that reduces manufacturing process and reduce material consumption.
The course of work of the micro-wave oven of the course of work of present embodiment micro-wave oven and embodiment 1 is identical, repeats no more here.

Claims (10)

1. a micro-wave oven comprises: body, furnace chamber, electric heater and electric heater lid; Described body constitutes the outward appearance of micro-wave oven; Described furnace chamber is arranged on body interior and forms cooking room; Described electric heater be installed in furnace chamber roof above, the effect of electric heater is and heating and provide high temperature hot gas to cooking room inside; Described electric heater lid is installed in roof top of furnace chamber and covers electric heater; It is characterized in that: have at least a side forwards or rearward to form circular shape in the leading flank (321) of described electric heater lid (320) and the trailing flank (322).
2. micro-wave oven according to claim 1 is characterized in that: the medial surface of described electric heater lid (320) forms can reflect the reflecting surface of high temperature hot gas.
3. micro-wave oven according to claim 1 is characterized in that: the position that the leading flank (321) of described electric heater lid (320) contacts with furnace chamber (200) forwards tilts gradually; The trailing flank (322) of described electric heater lid (320) is to the rear bending of furnace chamber (200), and its position that contacts with furnace chamber (200) of while is tilted rearward gradually.
4. micro-wave oven according to claim 3 is characterized in that: the gradient of the trailing flank (322) of described electric heater lid (320) is less than the gradient of the leading flank (321) of electric heater lid (320).
5. micro-wave oven according to claim 4 is characterized in that: the slant range of the central part of the trailing flank (322) of described electric heater lid (320) is greater than the slant range at position, both sides.
6. a micro-wave oven comprises: body, furnace chamber and electric heater; Described body constitutes the outward appearance of micro-wave oven; Described furnace chamber is arranged on body interior and forms cooking room; It is characterized in that: the front portion of the inboard roof of described furnace chamber (600) or rear recess are formed with an electric heater mounting groove (620) that has a face forward or rear bending at least, and described electric heater (310) is installed in the electric heater mounting groove (620).
7. micro-wave oven according to claim 6 is characterized in that: the medial surface of described electric heater mounting groove (620) forms can reflect the reflecting surface of high temperature hot gas, plays the effect of electric heater lid.
8. micro-wave oven according to claim 7 is characterized in that: the leading flank (621) of described electric heater mounting groove (620) forwards tilts gradually with the contacted position of furnace chamber (600); The trailing flank (622) of described electric heater mounting groove (620) and the contacted position of furnace chamber (600) be tilted rearward gradually.
9. micro-wave oven according to claim 8 is characterized in that: the gradient of the trailing flank (622) of described electric heater mounting groove (620) is less than the gradient of the leading flank (621) of electric heater mounting groove (620).
10. micro-wave oven according to claim 9 is characterized in that: the slant range of the central part of described electric heater mounting groove (620) is greater than the slant range at its position, both sides.
CNB2004100194130A 2004-05-27 2004-05-27 Microwave oven Expired - Fee Related CN100516656C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100194130A CN100516656C (en) 2004-05-27 2004-05-27 Microwave oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100194130A CN100516656C (en) 2004-05-27 2004-05-27 Microwave oven

Publications (2)

Publication Number Publication Date
CN1704660A true CN1704660A (en) 2005-12-07
CN100516656C CN100516656C (en) 2009-07-22

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ID=35576776

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100194130A Expired - Fee Related CN100516656C (en) 2004-05-27 2004-05-27 Microwave oven

Country Status (1)

Country Link
CN (1) CN100516656C (en)

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Publication number Publication date
CN100516656C (en) 2009-07-22

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Granted publication date: 20090722

Termination date: 20140527