CN101660783B - Microwave oven - Google Patents
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- CN101660783B CN101660783B CN200810054358A CN200810054358A CN101660783B CN 101660783 B CN101660783 B CN 101660783B CN 200810054358 A CN200810054358 A CN 200810054358A CN 200810054358 A CN200810054358 A CN 200810054358A CN 101660783 B CN101660783 B CN 101660783B
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Abstract
The invention discloses a microwave oven, which comprises a shell, a convection cover, a back cover and an air baffle plate. A cooling chamber is formed inside the shell; the convection cover is formed at the back of the shell; the back cover shields the back comprising the convection cover and the shell, and a passage is formed between the back cover and the convection cover; and the air baffle plate is arranged between the convection cover and the back cover to divide the passage into two passages. The microwave oven has the advantages that the air after cooling the low-temperature parts and the air after cooling the high-temperature parts are mutually separated under the action of the third air baffle plate, and a convection fan and a convection motor are cooled by using the air after cooling the low-temperature parts. The microwave oven with the structure can cool the electronic parts or the heating parts more effectively.
Description
Technical field
The present invention relates to a kind of micro-wave oven; Particularly relate to a kind of can be to the micro-wave oven of the more smooth and easy cooling of heater block.
Background technology
Usually micro-wave oven is the cooking equipment that utilizes microwave or electric heating cooking food.This micro-wave oven have usually the electronic unit that produces microwave with and/or produce electrically heated electroheat member: in addition, in micro-wave oven, be provided with the cooling system that said electronic unit or/and heater block are cooled off.
But, the cooling system that existing micro-wave oven had can not be to electronic unit or/and heater block effectively cool off.Thereby, influence the normal operating conditions of micro-wave oven and make its decrease in efficiency.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, a kind of more effectively cooling electronic components is provided or/and the micro-wave oven of heater block.
The technical scheme that the present invention adopted is: a kind of micro-wave oven comprises housing, convective cover, back cover and air register; The inside of said housing is formed with the culinary art chamber; Said convective cover is formed on the back of said housing; Said back cover covers the back side that comprises convective cover and said housing, and and said convective cover between form path; Said air register is provided with between said convective cover and the back cover, and said path is divided into two paths.
Be provided with the convection current motor in the back of said convective cover, said convection current motor is arranged in the arbitrary path that is divided into two paths by said air register.
In one of them path in the path of said air register division, flowing has the cooled air of parts to temperature is high relatively in each parts that is arranged on said housing; In another path in the path of said air register division, flowing has the cooled air of parts to temperature is low relatively in each parts that is arranged on said housing.
Said high-temperature component is a heater, and said low temperature parts are power distribution units.
Between the inboard of the back side of said housing and said convective cover, be formed with the convection current chamber that said convection heater and convection current fan are set.
Be communicated with distribution chamber suction opening that is formed on said back side of shell and the outlet opening that is formed on said back side of shell by one of them path in the path of said air register division; Another path by in the path of said air register division is communicated with the heater suction opening and the outlet opening that are formed on said back side of shell.
Said distribution chamber suction opening and heater suction opening are divided by said air register.
Said distribution chamber suction opening and heater suction opening are formed on the upper end of said back side of shell. and said outlet opening is formed on the bottom of said back side of shell.
Flow air in the individual channel of being divided by said air register flows to said lower part of frame through said outlet opening.
Flow to the air of said lower housing portion, in the heater that is arranged on said lower housing portion and the rotary tray motor any cools off at least.
A kind of micro-wave oven comprises power distribution unit cooling channel P6, heater cooling channel P7, convection current motor and air register; Said power distribution unit cooling channel P6 carries out cooled air to the power distribution unit that is arranged on the housing end face, arranges to indoor through the back side and the bottom surface of said housing; Said heater cooling channel P7 carries out cooled air to the heater that is arranged on the housing end face, arranges to indoor through the back side and the bottom surface of said housing; Said convection current motor is arranged in the cooling channel of said power distribution unit; Said air register is divided the part of said power distribution unit cooling channel P6 and heater cooling channel P7, prevents that flow air flows to said convection current motor in said heater cooling channel P7.
Said convection current motor is between the convective cover and back cover of said housing back.
Be flowing in the air of said power distribution unit cooling channel P6, behind the said convection current motor of cooling, and the heater of said lower housing portion and at least one in the rotary tray motor cooled off.
Be flowing in the air of said heater cooling channel P7, the heater of said lower housing portion and at least one in the rotary tray motor are cooled off.
The invention has the beneficial effects as follows: 1 owing to be provided with the 1st and the 2nd fans zoarium, and more effectively the parts of cooled microwave stove particularly produce the power distribution unit of microwave and the heater of generation electric heating; Prevent that effectively parts are in superheat state, improved the confidence level of micro-wave oven action.
2. in the present invention,,, also can diversely design the component locations that each need cool off even only use limited fan because the fans zoarium can be discharged air to both direction simultaneously.
3. be separately fixed at the side of front panel and inner panel through assembling parts at bolt plate of the present invention.Thereby in the process that opens and closes fire door, said bolt plate is removable on accurate position, can combine with the bolt hook more exactly.
4. owing to the current path that forms along the combination of fans body, different big ninor features become the cooling holes of oriented heater supplies air; Thereby, can cool off heater more effectively.The air and air cooling down high-temperature parts after of the present invention behind cooling low temperature parts is spaced from each other under the effect of the 3rd air register, and utilizes the air that cools off behind the low temperature parts, and convection fan and convection current motor are cooled off.
5. can prevent that the fit suction unit of fans from exposing because utilization sucks grid in the present invention, thereby can let the user more safely use micro-wave oven.
Among the present invention owing to utilize the 1st air guide, the air that comprises convection heater electric heating, more effectively water conservancy diversion is to cooking chamber interior; Thereby can more effectively utilize convection fan to cook.
7. in the present invention owing to utilize the 2nd air guide to two heaters diversion air equably; Thereby can cool off a plurality of heaters equably.In the present invention, in the porous portion of culinary art chamber water conservancy diversion electric heating, be formed with the linear press strip of strengthening of the involution formula that can prevent stage portion; Thereby can prevent that microwave from concentrating in the said porous portion, even use high power heater such as halogen heater can prevent that also thermal deformation from appearring in said porous portion.
8. the micro-wave oven that has a structure of the present invention more effectively cooling electronic components or/each heater block.
Description of drawings
Fig. 1 is a micro-wave oven embodiment perspective exploded view of the present invention;
Fig. 2 is an embodiment of the invention porous portion sketch map;
Fig. 3 is an embodiment of the invention back sketch map;
Fig. 4 is an embodiment of the invention convection current chamber internal structure front schematic view;
Fig. 5 is A-A ' line generalized section of Fig. 4;
Fig. 6 is the embodiment of the invention one side schematic view;
Fig. 7 is the part-structure sketch map that comprises embodiment of the invention bolt plate;
Fig. 8 is the upper portion heater assembly perspective exploded view that constitutes the embodiment of the invention;
Fig. 9 is the floor map that constitutes embodiment of the invention reflector;
Figure 10 is the part sketch map that constitutes the 1st heater housing of the embodiment of the invention;
Figure 11 is fit and the 2nd air register sketch map of the 2nd fans of the embodiment of the invention;
Figure 12 is the 2nd a fan sketch map in the 2nd fans zoarium of the embodiment of the invention;
Figure 13 is the 2nd a fan schematic cross section in the 2nd fans zoarium of the embodiment of the invention.
The specific embodiment
Below, in conjunction with the accompanying drawing and the specific embodiment micro-wave oven of the present invention is elaborated.
Fig. 1 is a micro-wave oven embodiment perspective exploded view of the present invention; Fig. 2 is an embodiment of the invention porous portion sketch map; Fig. 3 is an embodiment of the invention back sketch map; Fig. 4 is an embodiment of the invention convection current chamber internal structure front schematic view; Fig. 5 is A-A ' line generalized section of Fig. 4; Fig. 6 is the embodiment of the invention one side schematic view; Fig. 7 is the part-structure sketch map that comprises embodiment of the invention bolt plate.
As shown in Figure 1, housing 100 top and bottom and the two sides of micro-wave oven are made up of top panel 110, lower panel 120, inner panel 130 respectively.
Said inner panel 130 has forwards open
shape shape on the whole, comprises back side portion and a pair of side surface part.
In addition, be respectively arranged with front panel 140 and backplate 150 in the front and back end of said housing 100.Said front panel 140 and backplate 150 actual front and the back appearance that form micro-wave oven.Said front panel 140 and backplate 150 have respectively the tabular structure of rectangle that the side surface part of bottom surface and the said inner panel 130 of end face to said top panel 110, said lower panel 120 is extended.
In addition, in said lower part of frame, be provided with base panel 160, the end, front and back of said base panel 160 is separately fixed at the lower end of said front panel 140 and the lower end of said backplate 150.In addition, when said base panel 160 was provided with said housing 100 bottoms, base panel and said lower panel 120 were separated by at regular intervals.
Top and both sides at said housing 100; Be provided with shell 170; Said shell 170 comprises end face and side, and integral body is
shape shape of downward opening.In addition, when said shell 170 combined with said housing 100, the end face of said shell 170 was separated with certain spacing with the side of said top panel 110 and inner panel 130 respectively mutually with the side.
In addition,, be formed with culinary art chamber 101, form by the back side portion and the both sides face of top panel 110 and lower panel 120 and inner panel 130 respectively in end face, bottom surface, the back side and the two sides of said culinary art chamber 101 in the inside of said housing; Said culinary art chamber 101 is through microwave or/and the space that electrical heating is cooked food.
Between the end face of said top panel 110 and said shell 170, be provided with distribution chamber 103; In said distribution chamber 103, be provided with the power distribution unit that is used to produce microwave, be used to produce electrically heated upper portion heater assembly 200 and be used to cool off the 1st, the 2nd fans fit 300,400 of said power distribution unit and upper portion heater assembly 200; Said power distribution unit comprises magnetron 140 and high-tension transformer 105.
As shown in Figure 2, in the said distribution chamber 103 adjacent with said high-tension transformer 105, the left part of promptly said top panel 110 (referring to Fig. 1) is provided with porous portion 111; Porous portion 111 on the said top panel 110 is the rectangular shape with respect to the axis on the fore-and-aft direction, slight inclination on the whole.
In said porous portion 111, be provided with and strengthen press strip 113; Said reinforcement press strip 113 is that the part by said porous portion 111 forms by certain thickness involution, has linearity configuration; Be formed on the bight of said reinforcement press strip 113 in order to prevent that microwave from concentrating.Specifically be to say, if said reinforcement press strip has open linearity configuration, then microwave is concentrated in the both ends of said reinforcement press strip 113.In the present embodiment, said reinforcement press strip 113 has ' mouth ' font structure on the whole, but the present invention does not receive the restriction of this structure.For example, said reinforcement press strip 113 can have the elliptical shape that elliptical shape or mid portion have parallel-segment.
As shown in Figure 1; Said upper portion heater assembly 200 is arranged in the said distribution chamber; That is, the top of said porous portion 111, said upper portion heater assembly 200 is for the food in the said culinary art chamber 101 is produced electrically heated part; Detailed structure to said upper portion heater assembly 200 will be described hereinafter.
Said the 1st fans fit 300 is pressed left and right directions, and left and right sides length is formed on said distribution chamber 103 right side fore-ends greater than front and back length,, is arranged on the place ahead of said power distribution unit that is; Said the 1st fans fit 300 comprises a fan electromotor 310 and fan 320,330.Below, two fans 320,330 of said the 1st fans fit 300 are called the 1st fan 320 and the 2nd fan 330 respectively; Cooling comprised the power distribution unit of said magnetron 104 after the 1st fan 320 of said the 1st fans fit 300 sucked room air, and was formed with the air-flow that is used to discharge said culinary art chamber 101 interior oil vapour or steam.In addition, after the 2nd fan 330 of said the 1st fans fit 300 sucks room airs, be formed with and be used for to close the air-flow of the convection current motor 760 that the stream mode will explain below cooling off.For this reason, as shown in Figure 1 after said the 1st fan 320 sucks air from said distribution chamber 103 right directions, discharge to said magnetron 104; After the 2nd fan 330 of said the 1st combination of fans 300 sucks room air from said distribution chamber 103 left directions, as shown in Figure 1, discharge to said high-tension transformer 105.
Said the 2nd fans fit 400 is pressed fore-and-aft direction, and front and back length is arranged on said distribution chamber 103 left end greater than left and right sides length, and is as shown in Figure 1.That is, the 2nd fans fit 400 is arranged on the left side of said upper portion heater assembly 200.
Said the 2nd fans fit 400 comprises a fan electromotor 410 and the fan 420,430 that is separately positioned on said fan electromotor both sides.Below, two fans 420,430 of said the 2nd fans fit 400 are called the 1st fan 420 and the 2nd fan 430 respectively; The lower heater 780 that will explain below the 1st fan 420 formation coolings of said the 2nd fans fit 400 and the air-flow of rotary tray motor 790.For this reason, the portion of air that 2nd fan 330 of the 1st fan 420 in said the 2nd fans fit 400 in will said the 1st fans fit 300 blows, be drawn into the rear in said distribution chamber 103 after row below housing; The 2nd fan 430 of said the 2nd fans fit 400 forms the air-flow of the said upper portion heater assembly 200 of cooling and is used to cool off the air-flow of lower heater 780 and rotary tray motor 790.For this reason, the 2nd fan 430 of said the 2nd fans fit 400 is behind the place ahead suction room air in said distribution chamber 103, and row is to said upper portion heater assembly 200 and housing below.
That is, on the 2nd fan 430 of said the 2nd fans fit 400, be formed with the 1st and the 2nd discharge portion 433,434 (Figure 12 and Figure 13), through the both direction vent the air overboard; Whether said the 2nd fans fit 400 that forms air-flow moves according to said upper portion heater assembly 200, and is driven with being allowed a choice; That is, said the 2nd fans fit 400 is together driven when said upper portion heater assembly 200 is worked, and when said upper portion heater assembly 200 stops to drive, the 2nd fans fit 400 also will be stopped driving.To said the 2nd fans fit 400 and the 2nd fan 430 and the structure relevant, be elaborated again in the back with said type of drive.
In addition, in said distribution chamber 103, be provided with the 1st air register 510; Said the 1st air register 510 can prevent to be flow into again in said the 1st fans fit 300 by the air that said the 1st fans fit 300 is discharged.In addition, said the 1st air register 510 the 1st fans fit 300 that will together be arranged in the distribution chamber 103 is divided with power distribution unit and upper portion heater assembly 200.
On said the 1st air register 510, be provided with a pair of outlet (not shown); The air that makes the 1st and the 2nd fan 320,330 discharges in said the 1st fans fit 300 via the discharge oral instructions of said the 1st air register to said distribution chamber 103.
In addition, in said distribution chamber 103, be formed with the 2nd air register 520; Said the 2nd air register 520 can prevent to be flow back into again in said the 2nd fans fit 400 by the air that said the 2nd fans fit 400 is discharged.In the present embodiment, said the 2nd air register 520 is from said housing 100 upper end left corner, and extend in the bight between said housing 170 tops and left side.
As shown in Figure 6; On said the 2nd air register 520, be formed with a pair of outlet 521,523, make air that the 1st and the 2nd fan 420,430 in said the 2nd fans fit 400 discharges flow to the space between the side in side surface part and said shell 170 left sides in said inner panel 130 left sides via the outlet of said the 2nd air register 520.In addition, on said the 2nd air register 520, be formed with open communication 525; Said open communication 525 is formed on said the 2nd air register 520 rearward end, and open communication 525 is to be cut open the back to form on air register 520 tops, that is, open communication 525 is the 1st fan 420 rears in said the 2nd fans fit 400; The effect of said open communication 525 is; The 1st fan 420 in said the 2nd fans fit 400 quits work (certainly; Because the 1st, the 2nd fan 420,430 of said the 2nd fans fit 400 is driven by same motor 410; The 1st fan and the 2nd fan 420,430 of therefore said the 2nd fans fit 400 can stop simultaneously); The said inner panel of the part air flow 130 left lateral sides portions that the 2nd fan 330 of said the 1st fans fit 300 is blowed, and the space between the left lateral sides portion of said shell 170.To the explanation of said the 2nd air register 520, describe again after will being elaborated to said the 2nd fans fit 400 in the back.
In the upper and lower end parts of said front panel 140, be respectively equipped with a plurality of suction inlets 141 and outlet 143; The suction inlet 141 of said front panel 140 is formed by definite shape excision back by the upper end or the bottom of said front panel 140 respectively with outlet 143; The suction inlet 141 of said front panel 140 and outlet 143 are respectively as the air suction inlet and the outlet of the said the 1st and the 2nd fans zoarium 300,400.
In addition, at said front panel 140 suction inlets 141 rears, the leading section of promptly said top panel 110 is provided with and sucks grid 600; Said suction grid 600 is flat hexahedral shape substantially.In addition, said suction grid 600 will guide to fit 300,400 places of the said the 1st and the 2nd fans through the room air of said front panel 140 suction inlets 141 suctions.In addition, said suction grid 600 can prevent that foreign from flowing into, and can prevent also that simultaneously the heat that electrical heating produced of said upper portion heater assembly 200 from passing to indoor.
For this reason, in the place ahead of said power distribution unit and the 1st fans fit 300, promptly said suction grid 600 right portions, as shown in Figure 1, at the front and the end face of said suction grid 600, be formed with a plurality of inlet holes 610.In addition, in the place ahead of said upper portion heater assembly 200 and the 2nd fans fit 400, promptly said suction grid 600 left part, as shown in Figure 1, be formed with a plurality of suction openings 620 at the end face of said suction grid 600; Structure for inhaling air on the said suction grid 600 is different, be because said upper portion heater assembly 200 and said the 1st fans fit 300 and the 2nd fans zoarium 400 that the position is set is different.That is, the said suction grid 600 at fit 400 places of said the 2nd fans of adjacent said upper portion heater assembly 200 in its left part, only is formed with said suction opening 620 at end face.In addition; Because the suction portion that is used to suck air in said the 1st fans fit 300 is towards both sides; Even therefore be formed with said inlet hole 610 in the front of said suction grid 600, its foreign can not get into the suction portion in said the 1st fans fit 300 yet.But because the suction portion of said the 2nd fans fit 400 is towards the fore-and-aft direction of body of heater, therefore the left part of said suction grid 600 is as shown in Figure 1, only needs end face to form said suction opening 620 and gets final product.
In the upper end of said front panel 140, be provided with control support 180; Said control support 180 has and the corresponding width of said front panel 140 left and right sides amplitudes, is platy structure.Here, the front of said control support 180 and said front panel 140 fronts are on identical plane.
In addition, the positive front at said control support 180 is provided with control panel 190; Said control panel 190 is used for the various operation push-buttons of input operation micro-wave oven, and shows and the relevant various information of micro-wave oven action; Said control panel 190 covers the part of the suction inlet 141 and the inlet hole 610 on the said suction grid 600 of said front panel 140.
In addition, said control panel 190 cools off through the suction inlet 141 of said front panel 140, the inlet hole 610 that sucks grid 600 and the room air that suction opening 620 is flowed into.In order further to increase the cooling effectiveness of said control panel 190, heat pump (not shown) can be set in the inboard of the said control panel 190 adjacent with the inlet hole 610 of said suction grid 600 and suction opening 620.
In addition, as shown in figures 1 and 3, in the upper and lower end parts of said backplate 150, be formed with suction opening 151 and outlet opening 157; The suction opening 151 of said backplate 150 is to cut the back through said backplate 150 parts to form with outlet opening 157, its position respectively above the said top panel 110 with said lower panel 120 below; Air after the suction opening 151 of said backplate 150 will cool off the air of said upper portion heater assembly 200 and cool off said high-tension transformer 105 sucks, and plays the suction inlet effect of air.In the explanation below; The part of said backplate 150 suction openings 151 that are communicated with said distribution chamber 103 in said high-tension transformer 105 dead asterns is called distribution chamber suction opening 153, and the part of said backplate 150 suction openings 151 that will be communicated with upper portion heater assembly 200 is called heater suction opening 155.In addition, the spatial communication between the outlet opening 157 of said backplate 150 and said lower panel 120 and the base panel 160 is discharged 151 leaked-in airs of the suction opening on the said backplate 150, plays the outlet effect of air.
As shown in Figure 1, the back in said culinary art chamber 101, the rear of promptly said backplate 150 is provided with convection current chamber 710; Said convection current chamber 710 is communicated with said culinary art chamber 101.In addition, said convection current chamber 710 be by said backplate 150 be positioned at said backplate 150 720 relative of convective covers and form; Said convective cover 720 is positive open flat hexahedral shape substantially.
Like Fig. 3 and shown in Figure 4, the inside in said convection current chamber 710 is provided with convection heater 730 and convection fan 740; Said convection heater 730 can use on the whole by the crooked protective sleeve heater of circulus; Said convection fan 740 is positioned at the inside of said convection heater 730, is the center rotation with the feathering axis on its fore-and-aft direction.In addition, said convection fan 740 is discharged along diametric(al) after sucking air from its center.
Said convection heater 730 heats the food of 101 inside, said culinary art chamber with convection fan 740 with convection type.That is, when driving said convection fan 740, by the air of said convection heater 730 heating, in said culinary art chamber 101 with convection current chamber 710 inner loop, make the foods in the said culinary art chamber 101 obtain Convective Heating.
For the electric heating that said convection heater 730 is produced passes to the inside of said culinary art chamber 101 blowing under the effect of said convection fan 740 more equably, be provided with the 1st air guide 750 in the inside in said convection current chamber 710; The air that said the 1st air guide 750 is discharged said convection fan 740 flows to the bight of said culinary art chamber 101.For this reason, said the 1st air guide 750 is along the diametric(al) of said convection fan 740, forwards, promptly be provided with to said culinary art chamber 101 inclination certain angles.In addition, said the 1st air guide 750 is in asymmetrical position with respect to the pivot of said convection fan 740.Thereby, making air through convection heater 730 heating, the specific part that can only not flow to said culinary art chamber 101 flows, but can in 101 scopes of whole culinary art chamber, convection current take place equably.
In the said convective cover 720 of 710 outsides, said convection current chamber, be provided with convection current motor 760; Said convection current motor 760 is used to drive said convection fan 740; Said convection current motor 760 was cooled and cooled off through said backplate 150 suction openings 151 inhaled airs behind the said power distribution unit.
As shown in figures 1 and 3, at the rear of said backplate 150, be provided with back cover 770; Said back cover 770 has the size that can cover said backplate 150 suction openings 151 and outlet opening 157.Thereby, between said backplate 150 and back cover 770, form certain path that said backplate 150 suction openings 151 leaked-in airs are discharged through said backplate 150 outlet openings 157.
Between said backplate 150 and back cover 770, be provided with the 3rd air register 530; Said the 3rd air register 530, with the space between said backplate 150 and the back cover 770, the path that the air after being divided into the path that the air behind the said upper portion heater assembly 200 of cooling flows and making the said high-tension transformer 105 of cooling flows.Here, said convection current motor 760 is positioned on the path that the air of cooling behind the said high-tension transformer 105 flow.
As shown in Figure 1, on the right flank of said inner panel 130, be provided with microwave guiding piece 540; Said microwave guiding piece 540 will cool off the microwave of air and said magnetron 104 emissions behind the said magnetron 104, be directed to the inside of said culinary art chamber 101.For this reason, the two ends of said microwave guiding piece 540 are communicated with said culinary art chamber 101 and magnetron 104 respectively.
As shown in Figure 6, inner panel 130 left surfaces at said microwave guiding piece 540 opposition sides are provided with discharge line 550; Said discharge line 550 is directed to 101 inside, said culinary art chamber with said microwave guiding piece 540, and flows through the air behind the said culinary art chamber 101, is directed to the housing below.Therefore, said discharge line 550 can have the hexahedral shape of bottom surface opened.
On said discharge line 550, can be provided with temperature sensor and humidity sensor (not shown); Said temperature sensor and humidity sensor, perception is to passing through 101 backs, said culinary art chamber by the temperature and humidity of the air of said discharge line 550 water conservancy diversion.
In addition, the space between said lower panel 120 and base panel 160 is provided with lower heater 780; Said lower heater 780 produces the electric heater that said culinary art chamber 101 inner foods are heated.Said lower heater 780 can use ceramic heater.Said lower heater 780 is cooled off by the air that the said the 1st and the 2nd fans fit 300,400 blows downwards.In addition, between the said lower panel 120 and base panel 160 in said lower heater 780 the place aheads, be provided with rotary tray motor 790; Said rotary tray motor 790 provides power for the rotating disk (not shown) that is rotatably provided in 101 bottom surfaces, said culinary art chamber.Identical with said lower heater, said rotary tray motor 790 is also cooled off by the air that the said the 1st and the 2nd fans fit 300,400 blows downwards.On said lower heater 780 and rotary tray motor 790 right sides, the space between said lower panel 120 and the base panel 160 is provided with the 4th air register 560; Said the 4th air register 560 is long along front and back to be formed longways; Prevent to flow between said lower panel 120 and the base panel 160 and and flow into the space between said inner panel 130 right flanks and said shell 170 right flanks, with reference to Fig. 1 said lower heater 780 and rotary tray motor 790 cooled air.
As shown in Figure 7, on said housing 100, be provided with a pair of latches plate 810; When the door 820 that said bolt plate 810 will be explained below seals said culinary art chamber 101, can prevent its any rotation.During on the both side ends of said bolt plate 810 in closely being contacted with said front panel 140 and said inner panel 130 side surface part upper end, fixed through assembling parts such as screws.Thereby, said bolt plate 810 with said housing 100 orthogonal both directions on fixed, in the time of can preventing shutter door 820 because the phenomenon that is subjected to displacement of external force effect.
As shown in Figure 1, in order to open and close said culinary art chamber 101, be provided with door 820 with being allowed a choice; Said door 820 articulated elements 821 with the side lower end that sets within it are that rotate up and down at the center, open and close culinary art chamber 101 with the mode of overturning; The upper end of said door 820 and the lower end of said control panel 190 are separated by at regular intervals.In addition, the front of said door 820 is positioned on the positive identical plane with said control panel 190.
On said door 820, be provided with a pair of latches hook 823; Said bolt hook 823 is combined on the said bolt plate 810 when the said culinary art of said door 820 sealings chamber 101.For this reason, said bolt hook 823 is arranged on the upper end of both side ends in the said door 820 corresponding to said bolt plate 810.
Below, the path that relates among the micro-wave oven embodiment of the present invention is described.
As shown in Figure 1, on the top of said housing 100, be formed with the 1st path P1; Said the 1st path P1 is arranged on said top panel 110 and backplate 150, between some in said shell 170 end faces and the side.Thereby said the 1st path P1 comprises a said distribution chamber part that is provided with said magnetron 104 and high-tension transformer 104 power distribution units such as grade.In addition; Said the 1st path P1 is blowed by the said the 1st and the 2nd fans fit 300,400; Inlet hole 610 through said front panel 140 suction inlets 141 and said suction grid 600 is inhaled into, the path that the air of the 6th path P6 that below distribution chamber suction opening 153 flow directions of said backplate 150, will explain flows.
Be formed with the 2nd path P2 on the top of said housing 100; Said the 2nd path P2 comprises the part that said upper portion heater assembly 200 is set on the said distribution chamber 103; In said the 2nd path P2, flowing has when flowing through said the 1st path P1 said high-tension transformer 105 cooled air parts.In addition, flow through the air behind said the 2nd path P2, can flow to the 1st fan 420 of said the 2nd fans fit 400.
In addition, in the inside of said upper portion heater assembly 200, be formed with the 3rd path P3; Said the 3rd path P3 and said the 1st path P1 are isolated; Be flowing in the air of said the 3rd path P3, said upper portion heater assembly 200 is cooled off; Flow through the air behind said the 3rd path P3, through the heater suction opening 155 of said backplate 150, the 7th path P7 that will explain below flowing to.
On the right side of said housing 100,, be provided with the 4th path P4 with reference to figure 1; Said the 4th path P4 is formed by the right flank and the said microwave guiding piece 540 of said inner panel 130.Said the 4th path P4 is an air part that said the 1st fans fit 300 is blown into said the 1st path P1, and the 1st fan 320 that is about to the 1st fans fit 300 is blown into the mobile path of air of said the 1st path P1.That is, in said the 4th path P4, flowing cool off said magnetron 104 after, with the state flow that comprises microwave air to said culinary art chamber 101.For this reason, the two ends of said the 4th path P4 are communicated with culinary art chamber 101 with said the 1st path P1 respectively.
As shown in Figure 6, in the left side of said housing,, between the left lateral sides of said inner panel 130 and said shell 170 left lateral sides, be formed with the 5th path P5 with reference to figure 1; On said the 5th path P5, when air flows through said the 2nd path P2, cool off the air behind the said upper portion heater assembly 200 indirectly, and flow through the air that flows through said culinary art chamber 101 behind the 4th path P4.Though said the 5th path P5 separates with the said the 1st and the 2nd path P1, P2 through said the 2nd air register on the whole, understand part through the open communication 525 of said the 2nd air register 520 and be communicated with said the 2nd path P2.
In addition, between the said backplate 150 and convective cover 720 and back cover 770 at said housing 100 rear portions, be formed with the 6th path P6.In addition, said the 6th path P6 flows through said the 1st path P1 part of air, specifically is to say, is the path that the air behind the said high-tension transformer 105 of cooling flows.For this reason, said the 6th path P6 is through the heater suction opening 153 and said distribution chamber 103 of said backplate 150, and promptly said the 1st path P1 is communicated with.On said the 6th path P6, be provided with said convection current motor 760.
At the rear portion of said housing 100, be provided with the 7th path P7; Said the 7th path P7 is identical with said the 6th path P6, is formed between said backplate 150 and convective cover 720 and the back cover 770, under the effect of said the 3rd air register 530, obtains dividing with said the 6th path P6.In addition, said the 7th path P7 is communicated with said upper portion heater assembly 200 the 3rd inner paths through heater suction opening 155, the 7 path P7 of said backplate 150.
As shown in Figure 6, be formed with the 8th path P8 in the bottom of said housing 100; Said the 8th path P8 is formed between said lower panel 120 and the said base panel 160; The left end of said the 8th path P8 is communicated with the bottom of said the 5th path P5.In addition, said the 8th path P8 is communicated with said the 6th path and the 7th path P7 through the outlet opening 157 of said backplate 150.In addition, said the 8th path P8 is communicated with indoor through the outlet 143 of said front panel 140.But said the 8th path P8 separates with said the 1st path P1 through said the 4th air register 560.In said the 8th path P8, be provided with said lower heater 780 and rotary tray motor 790.
Below, be elaborated in conjunction with the upper portion heater assembly of accompanying drawing to micro-wave oven embodiment of the present invention.
Fig. 8 is the upper portion heater assembly perspective exploded view that constitutes the embodiment of the invention; Fig. 9 is the floor map that constitutes embodiment of the invention reflector; Figure 10 is the part sketch map that constitutes the 1st heater housing of the embodiment of the invention.
As shown in Figure 8, the upper portion heater assembly 200 that constitutes the embodiment of the invention comprises heater support 210, a pair of heater 220A, 220B, reflector the 230, the 1st heater housing the 240, the 2nd heater housing 250 be connected pipeline 260.
Said heater support 210 is the parts that are used to support said heater 220A, 220B; Said heater support 210 many shapes of frame that are rectangle substantially.In addition, said heater support 210 when supporting said heater 220A, 220B, with top panel 110 fixing and be arranged on porous portion 111 above.
Said heater 220A, 220B can produce electric heating; The electric heating that said heater 220A, 220B produce can carry out radiation heating to the food in the said culinary art chamber 101.In the present embodiment, use halogen heater as said heater 220A, 220B.Because said halogen heater is compared with other kind heaters such as protective sleeve heater or ceramic heaters, its caloric value is big, more effectively cooking food.Below; With Fig. 1 is example; In said heater 220A, 220B, with relatively being called the 1st heater 220A, the right side that relatively is separated by bigger spacing with said the 2nd fans fit 400 is called the 2nd heater 220B with the fit 400 adjacent left sides of said the 2nd fans.When said upper portion heater assembly 200 was arranged on said top panel 110, when promptly said heater support 210 was fixed on said top panel 110, said heater 220A, 220B were in along the long state that is provided with longways of housing fore-and-aft direction.Said heater 220A, 220B are identical with said porous portion 111, with respect to fore-and-aft direction axially on the inclination of certain angle is arranged.
As shown in Figure 9, in the female portion 231, be formed with a plurality of cooling holes 233; Said cooling holes 233 is used to cool off said heater 220A, 220B; 233 of said cooling holes are formed on 231 spaced apart from each other in the female portion and the end face.Specifically be to say, said cooling holes 233 is not formed on the face in opposite directions of the female portion 231.This is in order to prevent some among said heater 220A, the 220B, and promptly said the 1st heater 220A carries out cooled air, flows to another, the phenomenon of promptly said the 2nd heater 220B.In addition, said cooling holes 233 is by the air flue of the said heater 220A of cooling, 220B, and its diameter is different.Specifically be to say, be positioned at the cooling holes 233 of said cooling holes 233 diameters of upstream side relatively greater than the downstream.This is to cool off said heater 220A, 220B when the air that is used to cool off said heater 220A, 220B can be flowed along its path.
Said the 1st heater housing 240 covers the 1st and the 2nd heater 220A, 220B and the said reflector 230 that is supported by said heater support 210; In fact said the 1st heater housing 240 goes back the mobile path of air that double as cools off the said the 1st and the 2nd heater 220A, 220B.That is, between the end face and said the 1st heater housing 240 inboards of said top panel 110, be formed with the 3rd path P3 of cooling the said the 1st and the 2nd heater 220A, 220B.
In the present embodiment, said the 1st heater housing 240 has the hexahedral shape of rectangular cross-section structure.In addition, the left surface leading section and the back side on the length direction of said the 1st heater housing 240 are formed with inlet portion 241 and export department 243 respectively; The inlet portion 241 of said the 1st heater housing 240 is in order to cool off said heater 220A, 220B, to discharge the inlet that air flows into through the 2nd exhaust outlet 434 of fit 400 the 2nd fans 430 of said the 2nd fans; The export department 243 of said the 1st heater housing 240 is with through said the 1st heater housing 240 inlet portions 241 leaked-in airs, cools off the outlet that air is discharged behind said heater 220A, the 220B; The inlet portion 241 of said the 1st heater housing 240 is communicated with the said pipeline 260 that is connected.In addition, the export department 243 of said the 1st heater housing 240 is communicated with the suction opening 155 of backplate 150; The inlet portion 241 of said the 1st heater housing 240 and the position of export department 243; The relative position that depends on said heater assembly 200, and corresponding with the suction opening 155 of the 2nd exhaust outlet 434 of fit 400 the 2nd fans 430 of said the 2nd fans and said backplate 150 respectively.
Shown in figure 10, on said the 1st heater housing 240, be formed with the 2nd air guide 245; 245 guiding of said the 2nd air guide make it to flow to said the 1st heater 220A and the 2nd heater 220B respectively through said the 1st heater housing 240 suction inlet leaked-in airs.For this reason; Said the 2nd air guide 245 comprises the 1st guide portion 246 of extending to said the 1st heater housing 240 inside from the inlet portion 241 of said the 1st heater housing 240; And, press the 2nd guide portion 247 that said the 1st heater housing 240 length directions extend from an end of said the 1st guide portion 246 in order to cool off the air of the said the 1st and the 2nd heater 220A, 220B respectively.Here, the 1st guide portion 246 halves the inlet portion 241 of said the 1st heater housing 240 to have the long-pending mode of same flow profile.In addition, the appropriate location of said the 2nd guide portion 247 between the said the 1st and the 2nd heater 220A, 220B lets the air flow profile that flows to said the 2nd heater 220B amass greater than the air flow profile that flows to said the 1st heater 220A long-pending.Make through said heater housing 240 inlet portions 241 leaked-in airs and always can flow to the said the 1st and the 2nd heater 220A, 220B with the amount of equalization.
In addition, said the 2nd heater housing 250 passes to power distribution unit for the heat that prevents the said the 1st and the 2nd heater 220A, 220B.For this reason, said the 2nd heater housing 250 covers the part of said 1st heater housing 240 adjacent with said high-tension transformer 105.
In addition, said connection pipeline 260 is used to connect the 2nd fan 430 and said the 1st heater housing 240 of said the 2nd fans fit 400.For this reason, the two ends of said connection pipeline 260 respectively with the 2nd fan 430 of said the 2nd fans fit 400 in the 2nd discharge portion 434 and the inlet portion 241 of said the 1st heater housing 240 be connected.
As shown in Figure 8, on said the 1st heater housing 240, be provided with a pair of temperature-sensitive device 270; When said temperature-sensitive device 270 does not drive in said the 2nd fans fit 400, be used for the said upper portion heater assembly 200 of perception, the temperature of promptly said heater 220A, 220B.Thereby when said the 2nd fans fit 400 was driven, said temperature-sensitive device 270 no longer detected the temperature of said heater 220A, 220B.
Below,, be described in more details micro-wave oven embodiment the 2nd fans zoarium of the present invention and the 2nd air register in conjunction with accompanying drawing.
Figure 11 is fit and the 2nd air register sketch map of the 2nd fans of the embodiment of the invention; Figure 12 is the 2nd a fan sketch map in the 2nd fans zoarium of the embodiment of the invention; Figure 13 is the 2nd a fan schematic cross section in the 2nd fans zoarium of the embodiment of the invention.
Shown in figure 11, the 2nd fans fit 400 is to be fixed on the housing 100 through the 2nd air register 520 is installed.When said the 2nd air register 520 separates said the 1st path P1 and the 5th path P5, also in that being installed, said the 2nd fans played the effect of fan support at fit 400 o'clock.
On said the 2nd air register 520, be provided with a pair of outlet 521,523.Below, from the outlet 521,523 of said the 2nd air register 520, respectively outlet 521,523 is called the 1st outlet 521 and the 2nd outlet 523.The the 1st and the 2nd outlet 521,523 of said the 2nd air register 520 is cut by the part of said the 2nd air register 540 and forms.The 1st of said the 2nd air register 520 forms with each other different sectional areas with the 2nd outlet 521,523.That is, the 2nd outlet 523 of said the 2nd air register 520 forms with littler area with respect to the 1st outlet 521 of said the 2nd air register 520.
The 1st fan of said the 2nd fans fit 400 (below be called ' the 1st fan ') is fixed on the side of fit 400 fan electromotors 410 of the 2nd fans, promptly near the backplate side; Said the 1st fan 420 comprises fan casing 421 and blade (not shown).Fan casing 421 back at said the 1st fan 420 are formed with suction unit (not shown).The suction unit of said the 1st fan 420 is the parts that suck air.In addition, in said the 1st fan 420 fan casings 421 periphery surface one side, be formed with exhaust portion 423; The exhaust portion of said the 1st fan 420 is used to discharge air, has the area corresponding with the 1st outlet 521, rectangular in shape.
The 2nd fan of said the 2nd fans fit 400 (below be called " the 2nd fan ") is positioned at the side of fit 400 fan electromotors 410 of said the 2nd fans, promptly near front panel.In addition, said the 2nd fan 430 is identical with said the 1st fan 420, also comprises fan casing 431 and blade 437; The fan casing 421 of said the 2nd fan 430 is formed on the horizontal direction identical with said the 1st fan 420 fan casings 421 with drum; The blade 427 of said the 2nd fan 430 is arranged on the inside of said the 2nd fan 430 fan casings 431, is that the center counterclockwise rotates with the trunnion axis.
Shown in figure 12, on the fan casing 431 of said the 2nd fan 431, be formed with suction unit 432 and the 1st, the 2nd exhaust portion 433,434; The suction unit 432 of said the 2nd fan 430 is positioned at the front end of the fan casing 431 of said the 2nd fan 430, through the suction unit 432 suction air of said the 2nd fan 430.In addition, the 1st exhaust portion 433 of said the 2nd fan 430 has corresponding area with the 2nd outlet 434 on said the 2nd air register 520, forms by rectangular shape.In addition, the 2nd exhaust portion 434 of said the 2nd fan 430 is arranged on and be separated by the 2nd fan 430 fan casings 431 periphery surface one side of position of certain angle of the 1st exhaust portion 433 of said the 2nd fan 430.Thereby said the 2nd fan 430 can be called the 1st and the 2nd exhaust portion 433,434 through said the 2nd fan 430, by each other different both directions discharge air two to fan.
Shown in figure 13, in order to let said the 2nd fan 430 by two to discharging air, the 1st and the 2nd exhaust portion 433,434 of said the 2nd fan 430 will satisfy following 3 conditions.
(1) with the direction of rotation of said blade, be that air-flow direction is as the criterion; On the entrance side end of the said the 1st and the 2nd exhaust portion from said fan casing inner peripheral surface to beeline D1, D3 the said blade periphery surface, be respectively greater than on the said the 1st and the 2nd exhaust portion outlet side end from said fan casing inner peripheral surface to said blade periphery surface till beeline D2, D4.
(2) direction of rotation with said blade is as the criterion; On the said the 1st and the 2nd exhaust portion outlet side end from said fan casing inner peripheral surface to said blade periphery surface till beeline D2, D4, be respectively greater than on the entrance side end of the said the 2nd and the 1st exhaust portion from said fan casing inner peripheral surface to beeline D3, D1 the said blade periphery surface.
(3) direction of rotation with said blade is as the criterion; The the said the 1st and the 2nd exhaust portion will be respectively greater than the central angle A4 between the central angle A3 between said the 1st exhaust portion entrance side end and said the 2nd exhaust portion outlet side end or said the 1st exhaust portion outlet side end and said the 2nd exhaust portion entrance side end with respect to central angle A1, the A2 of said blade pivot.
If be organized into inequality to said relation, the inequality below the 1st exhaust portion 433 of then said the 2nd fan 430 and the 2nd exhaust portion 434 will satisfy respectively.
(1)D1>D2?and?D3>D4
(2)D2>D3?and?D4>D1
(3)A1>＝A3?and?A2>＝A4
Said condition (1) and (2) are the sufficient and necessary conditions of discharging air through the 1st and the 2nd exhaust portion 433,434 of the 2nd fan, and condition (3) though be not its sufficient and necessary condition, be actually for discharge through the 1st and the 2nd exhaust portion 433,434 of said the 2nd fan 430 air the condition that will satisfy.
The 1st exhaust portion 433 through regulating said the 2nd fan 430 or the area of the 2nd exhaust portion 434 can be regulated the air capacity of discharging through said the 2nd fan 430 the 1st exhaust portion 433 or the 2nd exhaust portion 434.Specifically be to say, the area of the 1st exhaust portion 433 through reducing said the 2nd fan relatively can increase the air capacity that said the 2nd fan 430 the 2nd exhaust portion 434 is discharged relatively.
In addition; After being identically formed the area of the 1st and the 2nd exhaust portion 433,434 of said the 2nd fan 430, area that can be through regulating said the 2nd air register 520 the 2nd outlet 523 and then regulate air capacity through the 1st and the 2nd exhaust portion 433,434 discharges of said the 2nd fan 430.That is, when the area of the 1st and the 2nd exhaust portion 433,434 of said the 2nd fan 430 was identical, if increase the 2nd outlet 523 areas of said the 2nd air register, the air capacity of then discharging through said the 2nd fan 430 the 1st exhaust portion 433 increased relatively.On the contrary, reduce the area of said the 2nd air register 520 the 2nd outlet 523, the air capacity of then discharging through the 2nd exhaust portion 434 of said the 2nd fan 430 will increase.
Below, in conjunction with accompanying drawing the micro-wave oven embodiment air type of flow of the present invention is described in more details.
At first, drive the 1st fan 320 of the 1st fans fit 300 after, room air is through the suction inlet 141 of front panel 140 and the suction hole 610 that sucks grid 600, air flows into the suction unit of fit 300 the 1st fans 320 of said the 1st fans; Said inhaled air is discharged to said the 1st path P1, and magnetron 104 is cooled off through the 1st fan 320 exhaust portion of said the 1st fans fit 300.Here, be discharged to the air of fit 300 the 1st fans, 320 exhaust portion of said the 1st fans, under the effect of the 1st air register 510, can not flow into the suction unit of fit 300 the 1st fans 320 of said the 1st fans again.In addition, cool off the air behind the said magnetron 104, to comprise the state of the microwave that is produced by magnetron 104, through the 4th path P4, promptly the microwave guiding piece 540, flow to culinary art 101 inside, chamber; Flow to the air of 101 inside, said culinary art chamber, be included in the oil gas and the steam that produce in the process of cooking food, flow to the 8th path through the 5th path P5.
In addition; The 1st fan 320 simultaneously driven the 2nd fans 330 that also have the 1st fans fit 300 with said the 1st fans fit 300; Room air flows into the 2nd fan 330 suction unit of said the 1st fans fit 300 through the suction inlet 141 of said front panel 140 and the inlet hole 610 of said suction grid 600; Flow into the room air of fit 300 the 2nd fans, 330 suction unit of said the 1st fans, the 1st fan 320 exhaust portion through said the 1st fans fit 3000 are discharged to said the 1st path P1, and high-tension transformer 105 is cooled off.Cool off behind the said high-tension transformer 105 air, its major part flows to the 6th path P6 through the distribution chamber suction opening 153 of backplate 150; Flow to the air of said the 6th path P6, behind the cooling convection fan 760,, flow to said the 8th path through the exhaust port 157 of said backplate 150.
In addition, when upper portion heater assembly 200 carried out work, the 2nd fans fit 400 was also carried out work; When the 1st fan 420 of said the 2nd fans fit 400 was driven, the suction opening 620 of suction inlet 141 and the said suction grid 600 of room air through said front panel 140 flow into the 1st fan 420 suction unit of said the 2nd fans fit 400.In addition, the 2nd fan 330 by said the 1st fans fit 300 is discharged to said the 1st path through exhaust portion, and in the air behind the said high-tension transformer 105 of cooling, a part also flow into the 1st fan 420 suction unit of said the 2nd fans fit 400.Be drawn into the air of fit 400 the 1st fans, 420 suction unit of said the 2nd fans, upper portion heater assembly 200 is cooled off indirectly.In addition, be drawn into the air of fit 400 the 1st fans, 420 suction unit of said the 2nd fans, discharge, flow to said the 8th path P8 after flowing through said the 5th path P5 through the 1st fan 420 exhaust portion 423 of said the 2nd fans fit 400.Here, the air through the 1st fan 420 exhaust portion 423 of said the 2nd fans fit 400 are discharged under the effect of the 2nd air register 520, can not flow in the 1st or the 2nd fan 420,430 suction inlets of the 2nd fans fit 400 again.
In addition; When driving with the 1st fan 420 of said the 2nd fans fit 400; Drive fit 400 the 2nd fans 430 of the 2nd fans; Air is inhaled into the 2nd fan 430 suction unit 432 of said the 2nd fans fit 400 through the suction opening 620 of said front panel 140 suction inlets 141 and said suction grid 600; Be drawn into the air of fit 400 the 2nd fans, 430 suction unit 432 of said the 2nd fans, wherein a part is discharged to said the 5th path P5 through the 2nd fan 430 the 1st discharge portion 433 of said the 2nd fans fit 400, flows to said the 8th path P8.Here; The 2nd fan 430 exhaust portion 433 rows through said the 2nd fans fit 400 are to the air of said the 5th path P5; With the 1st fan 420 exhaust portion through said the 2nd fans fit 400; The air that is discharged to said the 5th path P5 is identical, under the effect of said the 2nd air register 520, can not flow in the 2nd fan 430 suction unit of said the 2nd fans fit 400 432 again.
In addition; Be drawn into the air of the 2nd fan 430 suction unit 432 of said the 2nd fans fit 400; Wherein a part flows to the 3rd path P3 through the 2nd exhaust portion 434 of the 2nd fan 430 of said the 2nd fans fit 400, promptly connects the inside of pipeline 260 and the 1st heater housing 240.Flowing to the air of said the 3rd path P3, to upper portion heater assembly 200, specifically is that the 1st and the 2nd heater 200A, the 200B that constitutes said upper portion heater assembly 200 cooled off.Here; Cool off the air of said upper portion heater assembly 200; Shunting under the effect of the 2nd air guide 245 is arrived said the 1st heater 220A and the 2nd heater 220B by water conservancy diversion respectively, can cool off the said the 1st and the 2nd heater 220A, 220B more effectively.In addition, cool off the air of said upper portion heater assembly 200,, flow to the 7th path P7, flow to said the 8th path P8 again through the heater suction opening 155 of said backplate 150; Be flowing in the air among said the 7th path P7, under the effect of the 3rd air register 530, isolate each other with the air that is flowing in said the 6th path P6.Thereby, in the process of the said upper portion heater assembly 200 of cooling, be flowing in the air of said the 7th path P7 after being heated, can be to said convection current motor 760 heating.
Flow to the air of said the 8th path P8 through said the 4th to the 7th path P7, outlet 143 rows through said front panel 140 are to indoor.Here, be positioned at the air cooling that lower heater 780 and rotary tray motor 790 on said the 8th path P8 are flowing in said the 8th path P8.Certainly; Flow in the air of said the 8th path P8; Though cooling off said upper portion heater 200 backs is high temperature air through said the 7th path P7 leaked-in air, by comparison, can be lower through the said the 4th and the 6th path P6 leaked-in air temperature; Thereby be flowing in the air of said the 8th path, its temperature on the whole can be lower than the temperature of said lower heater 780 and rotary tray motor 790.Thereby, be flowing in the air of said the 8th path P8, can cool off said lower heater 780 and rotary tray motor 790.In addition; Be flowing in the air of said the 8th path P8; Under the effect of the 4th baffle plate 560; Space between the said inner panel 130 right side side surface part that can be through not being formed with said the 3rd path P3 and the right side side surface part of said shell 170 flow into the suction unit of the 1st or the 2nd fan of said the 1st fans fit 300 again.
In addition, when said upper portion heater assembly 200 was in halted state, or/and when utilizing convection heater to cook, said the 1st fans fit 300 is carried out work, and said the 2nd fans fit 400 quit work as only utilizing microwave to cook.Specifically be to say, even said upper portion heater assembly 200 quits work, said the 1st fans fit 300 still drives with original mode.But because the 2nd fans fit 400 stops to drive, therefore under the 2nd fan 330 effects of said the 1st fans fit 300, cool off the air behind the said high-tension transformer 105, can not flow to said the 5th path P5.But; Owing on said the 2nd air register 520, be formed with open communication 525; Even therefore said the 2nd fans fit 400 quits work; Airborne part behind the said high-tension transformer 105 of cooling under the 2nd fan 330 effects of said the 1st fans fit 300 still can flow to said the 5th path P5 through the open communication 525 of said the 2nd air register 520.
In addition, when utilizing convection heater 730 to cook, when convection heater 730 was opened, convection current motor 760 carried out work.Thereby convection fan 740 is driven, and the heat that is sent by said convection heater 730 carries out Convective Heating to the food of cooking chamber 101.Here, the air by said convection fan 740 blows to comprise the state of said convection heater 730 electric heating, flow to 101 inside, said culinary art chamber, at the 1st air guide 750 effect quilt water conservancy diversion equably down.Specifically be to say, said the 1st air guide 750, the air that contains said convection heater 730 electric heating that will discharge along the circumferencial direction of said convection fan 740, water conservancy diversion is to the bight of said culinary art chamber 101.Thereby the food of 101 inside, said culinary art chamber can more effectively be obtained Convective Heating by said convection heater 730.In said basic fundamental thought range of the present invention,, can carry out other various deformation, and interest field of the present invention should make an explanation according to the scope of right request for personnel with industry ABC.
Claims (1)
1. a micro-wave oven is characterized in that: comprise housing (100), convective cover (720), back cover (770) and air register (530); The inside of said housing (100) is formed with culinary art chamber (101); Said convective cover (720) is formed on the back of said housing (100); Said back cover (770) covers the back side that comprises convective cover (720) and said housing (100), and and said convective cover (720) between form path; Said air register (530) is provided with between said convective cover (720) and the back cover (770), and said path is divided into two paths; One of them path and the distribution chamber suction opening (153) that is formed on said housing (100) back side and the outlet opening (157) that is formed on said housing (100) back side are communicated with in the path of being divided by said air register (530); Another path by in the path of said air register (530) division is communicated with heater suction opening (155) that is formed on said housing (100) back side and outlet opening (157); Be provided with convection current motor (760) in the back of said convective cover (720); Said convection current motor (760) is arranged in the arbitrary path that is divided into two paths by said air register (530), and convection current motor (760) is by distribution chamber suction opening (153) or the cooling of heater suction opening (155) flow air.
2. micro-wave oven according to claim 1 is characterized in that: in one of them path in the path of said air register (530) division, flowing has the cooled air of parts to temperature is high relatively in each parts that is arranged on said housing; In another path in the path of said air register (530) division, flowing has the cooled air of parts to temperature is low relatively in each parts that is arranged on said housing.
3. micro-wave oven according to claim 2 is characterized in that: said high-temperature component is a heater, and said low temperature parts are power distribution units.
4. micro-wave oven according to claim 1 is characterized in that: between the inboard of the back side of said housing (100) and said convective cover (720), be formed with the convection current chamber (710) that said convection heater (730) and convection current fan (740) are set.
5. micro-wave oven according to claim 1 is characterized in that: said distribution chamber suction opening (153) and heater suction opening (155) are divided by said air register (530).
6. micro-wave oven according to claim 1; It is characterized in that: said distribution chamber suction opening (153) and heater suction opening (155) are formed on the upper end at said housing (100) back side, and said outlet opening (157) is formed on the bottom at said housing (100) back side.
7. micro-wave oven according to claim 1 is characterized in that: flow air in the individual channel of being divided by said air register (530) flows to the bottom of said housing (100) through said outlet opening (157).
8. micro-wave oven according to claim 7 is characterized in that: flow to the air of said housing (100) bottom, in the heater (780) that is arranged on said housing (100) bottom and the rotary tray motor (790) any cools off at least.
9. a micro-wave oven is characterized in that: comprise power distribution unit cooling channel P6, heater cooling channel P7, convection current motor (760) and air register (530); Said power distribution unit cooling channel P6 is connected with the 1st path P1 through distribution chamber suction inlet 153, and the power distribution unit that is arranged on housing (100) end face is cooled off, and cooled air is arranged to indoor through the back side and the bottom surface of said housing; Said heater cooling channel P7 is connected with the 3rd path P3 through heater suction inlet 155; Heater (200) to being arranged on housing (100) end face cools off; Cooled air is arranged to indoor through the back side and the bottom surface of said housing (100); Said convection current motor (760) is arranged in the cooling channel of said power distribution unit; Said air register (530) is divided the part of said power distribution unit cooling channel P6 and heater cooling channel P7, prevents that flow air flows to said convection current motor (760) in said heater cooling channel P7.
10. micro-wave oven according to claim 9 is characterized in that: said convection current motor (760) is positioned between the convective cover (720) and back cover (770) of said housing (100) back.
11. micro-wave oven according to claim 9; It is characterized in that: the air that is flowing in said power distribution unit cooling channel P6; After cooling said convection current motor (760), and the heater (780) of said housing (100) bottom and at least one in the rotary tray motor (790) cooled off.
12. micro-wave oven according to claim 9 is characterized in that: be flowing in the air of said heater cooling channel P7, the heater (780) of said housing (100) bottom and at least one in the rotary tray motor (790) are cooled off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810054358A CN101660783B (en) | 2008-08-29 | 2008-08-29 | Microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810054358A CN101660783B (en) | 2008-08-29 | 2008-08-29 | Microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101660783A CN101660783A (en) | 2010-03-03 |
| CN101660783B true CN101660783B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810054358A Expired - Fee Related CN101660783B (en) | 2008-08-29 | 2008-08-29 | Microwave oven |
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| Country | Link |
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| CN (1) | CN101660783B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1425878A (en) * | 2001-12-14 | 2003-06-25 | 三星电子株式会社 | Wall hanging type microwave oven |
| KR20040059039A (en) * | 2002-12-27 | 2004-07-05 | 엘지전자 주식회사 | Ventilation hooded microwave oven |
| CN1573217A (en) * | 2003-06-24 | 2005-02-02 | 三星电子株式会社 | Mountable type microwave oven |
-
2008
- 2008-08-29 CN CN200810054358A patent/CN101660783B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1425878A (en) * | 2001-12-14 | 2003-06-25 | 三星电子株式会社 | Wall hanging type microwave oven |
| KR20040059039A (en) * | 2002-12-27 | 2004-07-05 | 엘지전자 주식회사 | Ventilation hooded microwave oven |
| CN1573217A (en) * | 2003-06-24 | 2005-02-02 | 三星电子株式会社 | Mountable type microwave oven |
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|---|---|
| CN101660783A (en) | 2010-03-03 |
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