CN100541008C - The cooling device of electric part for microwave oven - Google Patents
The cooling device of electric part for microwave oven Download PDFInfo
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- CN100541008C CN100541008C CNB2004100728918A CN200410072891A CN100541008C CN 100541008 C CN100541008 C CN 100541008C CN B2004100728918 A CNB2004100728918 A CN B2004100728918A CN 200410072891 A CN200410072891 A CN 200410072891A CN 100541008 C CN100541008 C CN 100541008C
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Abstract
The invention discloses a kind of cooling device of electric part for microwave oven, comprise the electric component in the electric panel room of the upper of furnace body that is arranged at micro-wave oven, the air-breathing barrier that is provided with previously of electric panel room, the ventilation motor assembly is arranged at the top of body of heater, produce air-flow, make the electric component heat radiation, also comprise the air-breathing guidance set that is located at air-breathing barrier, electric component with in the ventilation motor assembly inhaled air guiding electric panel room plays thermolysis.The present invention can improve the cooling effectiveness and the reliability of electric component.Because air-breathing guidance set is being directed to the direction that electric component is set from air-breathing barrier inhaled air, improve the cooling effectiveness of electric component and the reliability of electric component, also has the present invention in order to obtain and identical in the past cooling Power, the ventilation motor assembly speed of gyration that slows down that can be relative reduces noise and reduces power consumption.The electric component structure needn't be used the hear resistance material, reduces the Master Cost of electric component.
Description
Technical field
The invention relates to micro-wave oven, particularly a kind of cooling device of electric part for microwave oven.
Background technology
Up to the present, the heater for heated food has a variety of.The thermal source of the most basic is heater directly contacts with container, puts into gratin in such container, and heating just can be cooked then.
In addition, also has the diversified cooking stove that much directly or indirectly uses electric energy to heat.For example use the micro-wave oven of microwave as thermal source.Micro-wave oven is to use electric energy to produce microwave, and microwave is projected in the gratin, makes the inside of gratin produce molecular motion and reach the device for cooking that the cooking thing is a purpose.
Generally speaking, micro-wave oven is arranged on the top of gas-cooker, has the heat of discharge gas-cooker generation or the function of smog.
In such micro-wave oven, rely on the parts of electric panel room to produce as the microwave of thermal source, the parts that at this moment are arranged on electric panel room can produce heat for normal action, on the top of electric panel room or side cooling fan are installed in the past, play the effect of heat release.Also there is the ventilation motor of use to make the electric panel room heat radiation.
Fig. 1, the 2nd, schematic diagram and plane that the cooling device of the electric part for microwave oven of conventional art is formed.As shown in the figure, the inside of micro-wave oven is made of the electric panel room 2 of body of heater of cooking 1 and installation electric component.The bottom surface of electric panel room 2 forms demarcation strip 3, and demarcation strip 3 is arranged on corresponding position, body of heater 1 top.Various electric components are set, for example:, just be in from air-breathing barrier 9 to the air-flow of ventilation motor assembly 7 to the inner magnetron 4 of microwave and the high-tension transformer 5 and the high-voltage capacitance 6 of powering of sending of body of heater to magnetron 4 on demarcation strip.
Also be provided with the microwave guide pipe, play the microwave that produces from magnetron and be directed in the body of heater and act on, the microwave guide pipe is arranged on the bottom of magnetron 4 and the side (not shown) of body of heater 1.
The rear of above-mentioned body of heater upside is provided with ventilation motor assembly 7, sucks surrounding airs from the suction inlet 8 at two ends, and discharges to the outside.Ventilation motor assembly 7 produces the air-flow of electric component in air-flow with bell-type function and the cooling electric chamber 2.Promptly the air entry 8 by a side sucks air (the quite function of bell-type), and the air entry 8 of opposite side sucks the gas that plays cooling effect.
Driving force for by ventilation motor assembly 7 is drawn into electric panel room 2 with air outside, and air-breathing barrier 9 is installed on the region of interest of the front of electric panel room 2.Air-breathing barrier is placed in the corresponding position of electric panel room 2 fronts, goes for air is directed in the electric component that is arranged on electric panel room 2 one sides, and only the side at electric panel room forms the porous 9a of portion.
Also have for air is induced to ventilation motor assembly 7 from air-breathing barrier 9, partition wall 10 is set on body of heater 1 top.Partition wall 10 is divided into body of heater 1 top and electric panel room 2 part and the disconnected part that is communicated with.
Air flow condition in electric panel room as constituted above is as follows:
Spue with the ambient air suction and to the outside by ventilation motor assembly 7, make the inside of micro-wave oven become low-pressure state.By air-breathing barrier 9 air outside is sucked thus.Because only form the porous 9a of portion in a side of air-breathing barrier this moment, so air outside is drawn into electric panel room 2 inside by the 9a of porous portion.
Because inhaled air flows towards ventilation motor assembly 7 directions.So play the effect of the electric component heat radiation that is installed in the electric panel room, promptly play the effect of heat radiation high-voltage capacitance 6, high-tension transformer 5 and magnetron 4.Reduced the air of electric component temperature then, be drawn on the ventilation motor assembly 7 that is arranged at electric panel room one side by air entry 8, and be discharged to the outside.
But aforesaid conventional art has following problem points.It is tabular to be that air-breathing barrier 9 simply forms, and only plays the effect that makes air pass through the 9a of porous portion, the effect that does not guide air to flow.So only rely on the inhalation power of ventilation motor assembly 7 to flow by air-breathing barrier 9 inhaled airs.Portion of air can not flow on the electric component that is installed in electric panel room 2, but flows to the space that electric component is not installed.The same air of black arrow that the air that promptly is drawn into electric panel room 2 not only forms as shown in Figure 2 flows, and wherein the air that forms as white arrow of a part is mobile.This is to form the tendency that air flows because outside cold air has towards the few direction of heat loss.
Cooling construction in the past can not be concentrated the heat radiation that is used in electric component with the air that is drawn into electric panel room 2 inside, has reduced the cooling effectiveness of electric component, thereupon can be influential because of overheated reliability to electric component.
The price comparison costliness also has because can not make high-tension transformer 5 heat radiations that produce high heat.Become the reason that high-tension transformer 5 damages.
Cooling body is in the past only opened another part for the direction of flow of external air to electric component with air-breathing barrier 9 part partitions in addition, can produce the consequence that is drawn into the relative minimizing of inner air capacity.Thereupon producing the rotary speed that increases ventilation motor in order to increase amount of air drawn.Such knot is crossed and can be produced excessive noise, consumes problems such as more electric energy.
And because cross the integrity problem of thermogenetic electric component, to make the littler electric component of caloric value in order solving, so can to increase the manufacturing expense of electric component.
Summary of the invention
Technical problem to be solved by this invention is, a kind of cooling device of electric part for microwave oven is provided, and purpose is that the three-dimensional inhaled air of ventilation motor group is focused on the electric component, manufactures the cooling structure of the maximized micro-wave oven of cooling effectiveness of electric component.It is slick and sly more that another purpose provides the heat release that makes electric component, even do not consider during fabrication interior hot of electric component, the cooling structure of also feasible micro-wave oven.In addition, also be provided in the past under the cold power situation of the same level the cooling structure of the micro-wave oven of the rotary speed of the relative ventilation motor that slows down.
To achieve these goals, the technical solution used in the present invention is:. a kind of cooling device of electric part for microwave oven, comprise the electric component in the electric panel room of the upper of furnace body that is arranged at micro-wave oven, the front of electric panel room is provided with air-breathing barrier, the bottom surface of electric panel room forms demarcation strip, demarcation strip is arranged at upper of furnace body, the ventilation motor assembly is arranged at the top of body of heater, produce air-flow, make the electric component heat radiation, it is characterized in that, also comprise air-breathing guidance set, air-breathing guidance set is arranged on the electric panel room front, and air-breathing guidance set is by air-breathing barrier, air guide member, direction adjusting vane and connecting portion constitute, and air-breathing barrier is arranged on the path of electric panel room guiding extraneous air, promptly is set in place the electric panel room front in upper of furnace body, be formed with the porous portion by air on air-breathing barrier, porous portion distance at regular intervals gathers on air-breathing barrier; Air guide member is located at the two ends of air-breathing barrier respectively, and air guide member and air-breathing barrier have certain angle; The direction adjusting vane is the end prolongation formation from air guide member; Connecting portion is formed at the top of air guide member end, and air-breathing guidance set plays thermolysis with the electric component in the ventilation motor assembly inhaled air guiding electric panel room.
Above-mentioned direction adjusting vane is formed at the upper and lower of the end of air guide member, direction adjusting vane and air guide member shape have a certain degree, the position change of electric component or the flow direction of change air change flowing of air by adjusting the direction adjusting vane.
In sum, the invention has the beneficial effects as follows that the present invention can focus on the air that the ventilation motor assembly produces on the electric component, just can improve the cooling effectiveness and the reliability of electric component.Because have air-breathing guidance set, being directed to the direction that electric component is set from air-breathing barrier inhaled air, can improve the reliability of the cooling effectiveness and the electric component of electric component, also has the present invention in order to obtain and identical in the past cooling Power, the ventilation motor assembly speed of gyration that slows down that can be relative reduces noise thereupon and reduces the electric power that consumes.In the structure of electric component, do not use the hear resistance material in addition, can reduce the Master Cost of electric component.
Description of drawings
Fig. 1 is the schematic diagram that the cooling device of conventional art electric part for microwave oven is formed,
Fig. 2 is the plane that the cooling device of conventional art electric part for microwave oven is formed,
Fig. 3 is the embodiment schematic diagram of the cooling device of electric component among the present invention,
Fig. 4 is the air flow plane figure that embodiment constitutes among the present invention,
Fig. 5 is the side view that embodiment constitutes among the present invention.
Among the figure:
20: body of heater 30: electric panel room
31: demarcation strip 33: magnetron
35: high-tension transformer 37: high-voltage capacitance
40: ventilation motor assembly 41: air entry
50: air-breathing guidance set 51: air-breathing barrier
53: air guide member 55: the direction adjusting vane
57: connecting portion 60: partition wall
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 3 is the embodiment schematic diagram of electric component cooling device of the present invention, Fig. 4 is the plane that the formation air of the embodiment of the invention flows, and Fig. 5 is the formation side view of the embodiment of the invention.Each figure here is with shell, the state diagram under the component omission state of formation such as door micro-wave oven outward appearance.
As shown in FIG., be provided with in the micro-wave oven and can hold gratin and have the body of heater 20 of cooking room and be arranged at micro-wave oven top, establish the electric panel room 30 of electric component in it.The bottom surface of electric panel room forms demarcation strip 31, and demarcation strip 31 is arranged at the relevant position on body of heater 20 tops.
Above-mentioned demarcation strip 31 is provided with various electric components, for example produce the magnetron 33 that is delivered to microwave in the body of heater 20 and the high-tension transformer 35 and the high-voltage capacitance 37 of high voltage source are provided for magnetron 33, high-tension transformer 35 and high-voltage capacitance 37 are arranged on the demarcation strip plate 31, just in time are positioned at by sucking guidance set 50 inhaled airs to be delivered on the path of ventilation motor assembly 40.
In addition the above-mentioned microwave that is produced by magnetron 33 is directed to the microwave guide pipe in the body of heater 20, the microwave guide pipe also is arranged at the side of body of heater 20 and the bottom of magnetron simultaneously.
Rear above the above-mentioned body of heater 20 is provided with ventilation motor assembly 40, plays that air entry 41 ambient airs in both sides are sucked into and discharge to the outside.Ventilation motor assembly 40 can produce air-flow, plays the effect of hood type microwave oven, and the electric component of cooling electric chamber 30, and promptly the air entry 41 by a side sucks air (playing the effect of bell-type), and the air entry 41 of opposite side sucks the cooling air.
For the driving force of air by ventilation motor assembly 40 is drawn into electric panel room 30 from the outside, the region of interest in electric panel room 30 fronts is provided with air-breathing guidance set 50.Be that air-breathing guidance set 50 is by air-breathing barrier 51, air guide member 53, direction adjusting vane 55 and connecting portion 57 constitutes, and the air that can guide the suction by ventilation motor assembly 40 to be drawn in the electric panel room 30 flow in the same direction as.
Air-breathing barrier 51 is arranged on the path of electric panel room 30 guiding extraneous airs, promptly is set in place electric panel room 30 fronts in body of heater 20 tops.Being formed with on air-breathing barrier 51 can be by the 51a of porous portion of air, and the 51a of porous portion not only is formed on the air-breathing barrier 51, but distance is gathered on air-breathing barrier 51 at regular intervals.
Also have, air guide member 53 is located at the two ends of air-breathing barrier 51 respectively.Air guide member 53 has certain angle with air-breathing barrier 51, for the air that will flow through air-breathing barrier 51 guides towards specific direction.Though the width of air-breathing barrier is consistent with the width of electric panel room 30, in fact electric component is arranged a side that is arranged at electric panel room 30, so the effect of air guide member is air-breathing barrier 51 inhaled airs to be concentrated flow to electric component.
This direction adjusting vane 55 can be formed at the upper and lower of the end of air guide member 53 simultaneously, and present embodiment has only represented to be formed at the situation of air guide member 53 bottoms.This is in order air to be directed to the bottom of electric panel room 30, to make the thermolysis of electric component more obvious.
Above-mentioned air guide member 53 terminal parts can possess connecting portion 57.If the bottom at air guide member 53 ends possesses air conditioning blade 55, connecting portion 57 is formed at the top of air guide member 53 terminal parts.Connecting portion 57 links together each terminal part of air guide member 53, plays the effect that prevents to change the angle between air guide member 53 and the air-breathing barrier 51.
But air guide member 53 above-mentioned, direction adjusting vane 55 and connecting portion 57 can be formed on the air-breathing barrier 51 or with a sheet material and make.Be about to sheet material with certain angular bend, central part is blocked under the state, the two ends of sheet material are connected on the air-breathing barrier 51, just can make air-breathing guidance set 50 of the present invention.Here Wan Qu part becomes air guide member 53 and connecting portion 57, and the part of blocking becomes direction adjusting vane 55.
Also have, in order to make air-breathing guidance set 50 with air flow ventilation motor assembly 40, on the top of body of heater 20 partition wall 60 is set, partition wall 60 is divided into electric panel room 30 top of body of heater 20 and forms part and the disconnected part that is communicated with.
Effect to the electric part for microwave oven cooling device of said structure describes below.
The inhalation power that above-mentioned ventilation motor assembly 40 produces is discharged (playing the bell-type function) with heat and smog that the combustion gas that is arranged at the bottom produces.Also have, on present embodiment, use the air-flow of the inhalation power generation of ventilation motor assembly 40, play the effect of cooling electric parts.
Promptly, the microwave of magnetron 33 generations is incorporated into the inside of body of heater 20 in order to cook.In the process that produces microwave, magnetron 33, high-tension transformer 35, high-voltage capacitance 37 will produce a large amount of heats.Will drive ventilation motor assembly 40 in order to discharge heat.Driving ventilation motor assembly 40 can suck air outside by air-breathing guidance set, and flow to the inside of electric panel room 30.The air that is drawn into electric panel room 30 inside is mobile towards the direction of ventilation motor assembly 40, in the process of flowing, makes high-tension transformer 35 like this, high-voltage capacitance 37, magnetron 33 heat radiations.
Further describe, by the suction of ventilation motor assembly 40, the front that makes air outside pass through air-breathing barrier 51 sucks, because the front of air-breathing barrier 51 is formed with the 51a of porous portion.
By the air of air-breathing barrier 51, along with air guide member 53 in specific direction set.In order to allow the air by air-breathing barrier 51 form the specific flow direction, air is directed on the position that is provided with electric component.End at air guide member 53 is provided with direction adjusting vane 55 for this reason, plays the effect of auxiliary air guide 53.Can be adjusted to direction arbitrarily this moment with direction adjusting vane 55, realizes optionally improving cooling effectiveness.
As shown in Figure 4, will be by the air of air-breathing guidance set 50 by high-voltage capacitance 37, high-tension transformer 35, the magnetron 33 that roughly forms a line, while cooling electric parts.
Above-mentioned air guide member 53 may be owing to the angle of the air-breathing barrier 51 of mobile change of ventilation motor assembly inhaled air, in order to prevent this situation, connecting portion 57 is connected with each end of air guide member 53 in the present embodiment, even the use that continues also can be kept the direction of air guide member 53.
Do following explanation according to the as above embodiment of the invention, air is concentrated by air-breathing guidance set, and flows to ventilation motor assembly 40, forms the air flow of rectilinear form, and the ventilation motor assembly 40 and the cooling effectiveness of electric component have been improved.
Power of the present invention is not confined to embodiment described above, but according to the claim scope definition, and the people who has general knowledge in technical field of the present invention can carry out various deformation in scope of authority and reorganization is obvious.
Claims (2)
1. the cooling device of an electric part for microwave oven, comprise the electric component in the electric panel room of the upper of furnace body that is arranged at micro-wave oven, the front of electric panel room is provided with air-breathing barrier, the bottom surface of electric panel room forms demarcation strip, demarcation strip is arranged at upper of furnace body, the ventilation motor assembly is arranged at the top of body of heater, produce air-flow, make the electric component heat radiation, it is characterized in that, also comprise air-breathing guidance set, air-breathing guidance set is arranged on the electric panel room front, air-breathing guidance set is by air-breathing barrier, air guide member, and direction adjusting vane and connecting portion constitute, air-breathing barrier is arranged on the path of electric panel room guiding extraneous air, promptly be set in place the electric panel room front in upper of furnace body, be formed with the porous portion by air on air-breathing barrier, porous portion distance at regular intervals gathers on air-breathing barrier; Air guide member is located at the two ends of air-breathing barrier respectively, and air guide member and air-breathing barrier have certain angle; The direction adjusting vane is the end prolongation formation from air guide member; Connecting portion is formed at the top of air guide member end, and air-breathing guidance set plays thermolysis with the electric component in the ventilation motor assembly inhaled air guiding electric panel room.
2. the cooling device of electric part for microwave oven according to claim 1, it is characterized in that, above-mentioned direction adjusting vane is formed at the upper and lower of the end of air guide member, direction adjusting vane and air guide member shape have a certain degree, the position change of electric component or the flow direction of change air change flowing of air by adjusting the direction adjusting vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100728918A CN100541008C (en) | 2004-11-26 | 2004-11-26 | The cooling device of electric part for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100728918A CN100541008C (en) | 2004-11-26 | 2004-11-26 | The cooling device of electric part for microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1779345A CN1779345A (en) | 2006-05-31 |
| CN100541008C true CN100541008C (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100728918A Expired - Fee Related CN100541008C (en) | 2004-11-26 | 2004-11-26 | The cooling device of electric part for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100541008C (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1142037A (en) * | 1995-05-16 | 1997-02-05 | Lg电子株式会社 | Air ventilating system for microwave oven |
| CN1425878A (en) * | 2001-12-14 | 2003-06-25 | 三星电子株式会社 | Wall hanging type microwave oven |
-
2004
- 2004-11-26 CN CNB2004100728918A patent/CN100541008C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1142037A (en) * | 1995-05-16 | 1997-02-05 | Lg电子株式会社 | Air ventilating system for microwave oven |
| CN1425878A (en) * | 2001-12-14 | 2003-06-25 | 三星电子株式会社 | Wall hanging type microwave oven |
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| Publication number | Publication date |
|---|---|
| CN1779345A (en) | 2006-05-31 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20091228 |