CN100360852C - Microwave oven - Google Patents
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- CN100360852C CN100360852C CNB031304877A CN03130487A CN100360852C CN 100360852 C CN100360852 C CN 100360852C CN B031304877 A CNB031304877 A CN B031304877A CN 03130487 A CN03130487 A CN 03130487A CN 100360852 C CN100360852 C CN 100360852C
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Abstract
The present invention provides a microwave oven which can reduce space in the direction of the length of the microwave oven by changing the arrangement of various electric components, and can effectively cool the electric components. The present invention comprises a casing, a bottom plate, a cavity, a front panel, a rear panel, a first transformer, a second transformer, a first magnetron, a second magnetron, a blowing fan, a fan motor, a fan cover and a ventilation pipeline, wherein the first transformer is positioned in front of one side of the cavity above the bottom plate; the second transformer is positioned behind one side of the cavity above the bottom plate; the first magnetron and the second magnetron are positioned between the two transformers; the first magnetron is arranged on the upper part of one side surface of the cavity; the second magnetron is arranged on the lower part of one side surface of the cavity; the blowing fan and the fan motor are arranged in the space where the second transformer is positioned; the fan cover can protect the blowing fan; the ventilation pipeline which is communicated with the fan cover can lead air to flow towards each of the magnetrons.
Description
Technical field
The present invention relates to a kind of micro-wave oven, relate to a kind of radiator structure of micro-wave oven of each part heat radiation that is used for making above-mentioned micro-wave oven or rather.
Background technology
In general, micro-wave oven (MWO:microwave oven) is that (per second 2 450MHz) as heating source, utilizes the intermolecular frictional heat that produces by the molecules align that upsets food to come the machine of cooking food with high frequency waves.
Such micro-wave oven mainly contains form that possesses single magnetron and the form that possesses a plurality of magnetrons.
The above-mentioned micro-wave oven that possesses single magnetron mainly uses in the lower family of use of microwave ovens frequency, and the micro-wave oven that possesses a plurality of magnetrons mainly uses in higher unit of use of microwave ovens frequency or convenience store (convenience store).
Shown the internal structure of the micro-wave oven that possesses 2 magnetrons Fig. 1 to Fig. 5, with reference to the accompanying drawings above-mentioned micro-wave oven has been illustrated.
At first, shown in the side view of Fig. 1, above-mentioned micro-wave oven generally includes with lower member, that is: shell 11, base plate 12, the cavity 13 that has formed cooking room, front panel 14, rear board 15 and electric control chamber.
Above-mentioned front panel 14 is installed in the place ahead of above-mentioned base plate 12, and as shown in Figure 2, several air suction inlets 12a that extraneous air is flowed into has been formed on the bottom of above-mentioned base plate 12.
Above-mentioned rear board 15 is installed in the rear of above-mentioned base plate 12, as shown in Figure 3, has formed the air tap 15a that air is discharged above it.
In addition, as shown in Figure 4 and Figure 5, be provided with a pair of transformer 16a, 16b, a pair of magnetron 17a, 17b, blowing fan 18a and fan electromotor 18b in the above-mentioned electric control chamber.
Above-mentioned a pair of transformer 16a, 16b are arranged in the space of a side of the above-mentioned cavity 13 of above-mentioned base plate 12 upper spaces, begin to be arranged side by side from the front portion of above-mentioned base plate 12.
The microwave (micorwave) that is produced by above-mentioned each magnetron 17a, 17b conducts in the upper space and lower space of above-mentioned cavity 13 inside by the waveguide pipe (not shown).
In addition; said fan 18a is installed in the space that is provided with above-mentioned each transformer 16a, 16b and is provided with between the space of each magnetron 17a, 17b; be the top at an angle, inside of shell 11, be subjected to the protection of fan guard 18c, and be connected with said fans motor 18b retainer shaft.
When said fan cover 18c is installed, need make its side that sucks air here, towards lower space.
In addition, a side of the suction air of said fan cover 18c is provided with ventilation shaft 19, and this ventilation shaft 19 can guide air to flow to above-mentioned each magnetron 17a, 17b.The end of above-mentioned ventilation shaft 19 communicates with each air tap 15a of rear board 15.
Below the cooling procedure of each electric component of micro-wave oven with said structure is carried out specific description more.
At first, when micro-wave oven was in the running, under the driving of fan electromotor 18b, blowing fan 18a can rotate, thereby extraneous air is sucked.
Here, the said external air flows to the inside of micro-wave oven by each air suction inlet 12a that forms on base plate 12, and continues to flow to the space that is provided with said fan, thereby cooling is installed in a pair of transformer 16a, 16b in the above-mentioned electric control chamber.
Cooled off above-mentioned each transformer 16a, 16b extraneous air afterwards in the process of said fan 18a of flowing through, can be by ventilation shaft 19 each magnetron of cooling 17a, the 17b that is communicated with said fan 18a.
Here, an airborne part that flows through above-mentioned magnetron 17a, 17b is after the inside of flowing through above-mentioned cavity 13, can flow through on above-mentioned cavity 13 each air tap hole 13a that forms and the air tap 15a that forms of the top of plate 15 in the back successively, thus discharge.The airborne remainder that flows through above-mentioned magnetron 17a, 17b is then discharged by the air tap 15a that the right side at above-mentioned rear board 15 forms.
But there is following problem in the aforesaid micro-wave oven that possesses several magnetrons 17a, 17b:
At first, owing to a pair of magnetron 17a in the above-mentioned micro-wave oven, the back space that 17b is positioned at above-mentioned micro-wave oven, thereby the rear portion of above-mentioned micro-wave oven inevitably can be very big.Therefore compare with the overall appearance volume of micro-wave oven, the internal capacity proportion of cooking room is less relatively.
Particularly, need have certain length, the problem that therefore exists the place to place of micro-wave oven to be restricted owing to place the space of above-mentioned micro-wave oven placing aspect the above-mentioned micro-wave oven.
In addition, because the blowing fan 18a of above-mentioned micro-wave oven is installed on the position at an angle of shell 11 inside, therefore the extraneous air that flows into by base plate 12 can not cool off that transformer 16a that is positioned at the place ahead among a plurality of transformer 16a, the 16b effectively.
That is to say that therefore the above-mentioned transformer 16a that is positioned at the place ahead can't realize the cooling for above-mentioned transformer 16a effectively owing to being in the dead zone that air flows.
In addition, the fan electromotor 18b as the part of micro-wave oven can produce a lot of heats when driving.Even so, but be not used to cool off the structure of said fans motor 18b in the micro-wave oven, therefore have the overheated problem that causes the micro-wave oven performance to reduce because of said fans motor 18b.
Summary of the invention
The present invention designs in order to solve aforesaid existing issue, purpose is to provide a kind of micro-wave oven with following characteristics, that is: it can dwindle the space of the length direction of above-mentioned micro-wave oven by the arrangement that changes various electric components, and can realize the cooling to above-mentioned various electric components more effectively.
To achieve these goals, the invention provides a kind of micro-wave oven, it is characterized in that, comprise with lower member: shell has formed the outward appearance of micro-wave oven; Base plate has formed the bottom surface of micro-wave oven; Cavity is installed on the above-mentioned base plate, has formed the cooking room of micro-wave oven; Front panel is installed in the place ahead of above-mentioned base plate; Rear board is installed in the rear of above-mentioned base plate; A pair of magnetron and a pair of transformer are positioned at a side space of above-mentioned cavity; Blowing fan and fan electromotor are installed in above-mentioned each magnetron and the residing space of each transformer; Fan guard can play the effect of protection said fan; Ventilation shaft is connected with said fan cover, can be with each magnetron guiding of above-mentioned air flow.
In addition, to achieve these goals, the invention provides another kind of micro-wave oven, it is characterized in that, comprise with lower member: shell has formed the outward appearance of micro-wave oven; Base plate has formed the bottom surface of micro-wave oven; Cavity is installed on the above-mentioned base plate, has formed the cooking room of micro-wave oven; Front panel is installed in the place ahead of above-mentioned base plate; Rear board is installed in the rear of above-mentioned base plate; The 1st transformer and the 2nd transformer, wherein above-mentioned the 1st transformer are arranged in the place ahead in a side space of the above-mentioned cavity of above-mentioned base plate upper space, and above-mentioned the 2nd transformer is arranged in the rear in a side space of the above-mentioned cavity of above-mentioned base plate upper space; The 1st magnetron and the 2nd magnetron, between above-mentioned two transformers, wherein above-mentioned the 1st magnetron is installed in the top of a side of above-mentioned cavity, and the 2nd magnetron is installed in the bottom of a side of above-mentioned cavity; Blowing fan and fan electromotor are installed in the residing space of above-mentioned the 2nd transformer; Fan guard can play the effect of protection said fan; Ventilation shaft is connected with said fan cover, can be with each magnetron guiding of above-mentioned air flow.
Aforesaid employing micro-wave oven of the present invention can reach following various effect:
The first, by adopting microwave oven structure of the present invention and arrangement of parts method, can dwindle the front and back length of above-mentioned micro-wave oven.
Particularly have the volume that can enlarge the cooking room that forms by cavity, thereby be a kind of practical more structure owing to the present invention.
The second, by adopting microwave oven structure of the present invention and arrangement of parts method, can reach the effect that each transformer can both be dispelled the heat effectively.
Promptly be positioned at the common air not so good locational transformer that flows and also can access effective heat radiation by adopting structure of the present invention, can making.
The 3rd, by adopting microwave oven structure of the present invention and arrangement of parts method, can make fan electromotor realize effectively heat radiation, can reach following effect thus, promptly the components damage that does not freely cause because of the said fans motor radiating can be dropped to minimum level.
The 4th, by adopting microwave oven structure of the present invention and arrangement of parts method, can reach following effect, promptly can on same production line, produce the micro-wave oven of different purposes.
That is to say, originally because structurally there are a great difference in home-use micro-wave oven and unit with micro-wave oven, therefore exist and to set up different production lines according to the use of microwave ovens purpose, but the number that only need merely change magnetron and transformer in the present invention just can change the purposes of micro-wave oven, therefore utilizes same production line can produce the micro-wave oven that satisfies multiple application target.
Description of drawings
Fig. 1 is the decomposition side view of the structure of existing micro-wave oven;
Fig. 2 is the state diagram of existing cavity of microwave oven when the front is seen;
Fig. 3 is the state diagram when the back side is seen of the rear board of existing micro-wave oven;
State diagram when Fig. 4 sees from the side for the internal structure of existing micro-wave oven;
Fig. 5 is the state diagram when the back side is seen of the internal structure of existing micro-wave oven;
Fig. 6 is the decomposition side view of structure of the 1st embodiment of micro-wave oven of the present invention;
Fig. 7 is for adopting the state diagram of cavity of microwave oven of the present invention when the front is seen;
Fig. 8 is the state diagram when the back side is seen of the rear board that adopts micro-wave oven of the present invention;
State diagram when Fig. 9 sees from the side for the internal structure that adopts micro-wave oven of the present invention;
Figure 10 is a building block---the view of the installment state of ventilation shaft of micro-wave oven of the present invention;
Figure 11 is a building block of micro-wave oven of the present invention---the view of an embodiment of ventilation shaft;
Figure 12 is a building block---the view of another embodiment of ventilation shaft of micro-wave oven of the present invention;
Figure 13 is the decomposition side view of the internal structure of micro-wave oven the 2nd embodiment of the present invention;
Figure 14 is a building block of micro-wave oven of the present invention---the view of the installment state of the 2nd connecting pipe of ventilation shaft;
Figure 15 is the decomposition side view of the internal structure of micro-wave oven the 3rd embodiment of the present invention.
The description of reference numerals of critical piece
110: shell (out case) 120: base plate (base plate)
130: cavity (cavity) 140: front panel (panel)
150: rear board 161,162: transformer
171,172: magnetron 181: blowing fan
182: fan electromotor 183: fan guard (fan housing)
190: ventilation shaft
The specific embodiment
Below with reference to Fig. 6 to Figure 12 each embodiment of the radiator structure that adopts micro-wave oven of the present invention is specified.
At first, the 1st embodiment that adopts micro-wave oven of the present invention as shown in Figure 6, comprise substantially with lower member, that is: shell 110, base plate 120, cavity 130, front panel 140, rear board 150, a pair of transformer 161,162, a pair of magnetron 171,172, blowing fan 181, fan electromotor 182, fan guard 183 and ventilation shaft 190.
Above-mentioned shell 110 formed above-mentioned micro-wave oven two sides and above, connecting above-mentioned base plate 120, front panel 140 and rear board 150 above it respectively.
In addition, above-mentioned base plate 120 has formed the bottom surface of above-mentioned micro-wave oven, is provided with cavity 130 above it, has formed electric control chamber in a side of above-mentioned cavity 130.
, be provided with various electric components in the above-mentioned electric control chamber here, the front of above-mentioned base plate 120 has formed several air suction inlets 121 that extraneous air is flowed into.
Above-mentioned cavity 130 is installed on the above-mentioned base plate 120, and its inner space has formed cooking room.
The position that is provided with each magnetron 171,172 of above-mentioned cavity 130 has formed several air ostiums 131, and side relative with it and top or bottom surface have formed several air tap holes 132,133.
Here, the outside at above-mentioned cavity 130, be respectively arranged with exhaust duct 134,135 on the position that has formed above-mentioned each air tap hole 132,133, above-mentioned each exhaust duct 134,135 can guide the flow direction of the air that flows out by above-mentioned each air tap hole 132,133.
Aforesaid exhaust duct 134,135 can have only one, also can have a plurality ofly, and in one embodiment of the invention, said exhaust pipeline 134,135 is formed by two.One of them exhaust duct (hereinafter referred to as " the 1st exhaust duct ") 134 is connected with each air tap hole 132 that forms on cavity 130, and another exhaust duct (hereinafter referred to as " the 2nd exhaust duct ") 135 is connected with each air ostium 133 that the side bottom relative with the side that has formed the air ostium in another side of above-mentioned cavity 130 forms.
In addition, above-mentioned front panel 140 is installed in the place ahead of above-mentioned base plate 120, has formed the front of above-mentioned micro-wave oven.
Above-mentioned rear board 150 is installed in the rear of above-mentioned base plate 120, and it has formed the back of above-mentioned micro-wave oven, and has formed several air taps 151,152,153 above it.
Here, above-mentioned each air tap 151,152,153 comprise be used for discharge currents cross the air behind the cavity 130 the 1st air tap 151, be used for discharging the 2nd air tap 152 of the air that is used for cooling fan motor 182.
Above-mentioned the 1st air tap 151 need can with position that each exhaust duct 134,135 is connected on form, according to the terminal position of above-mentioned each exhaust duct 134,135, they can form in many places.
In one embodiment of the invention, the upper end, left side and the lower end, left side of above-mentioned the 1st air tap 151 difference rear board 150 in the drawings form.
In addition, above-mentioned each transformer 161,162 comprises the 1st transformer 161 and the 2nd transformer 162 and forms, wherein above-mentioned the 1st transformer 161 is arranged in the place ahead in a side space of the above-mentioned cavity 130 of above-mentioned base plate 120 upper spaces, and above-mentioned the 2nd transformer 162 is arranged in the rear in a side space of the above-mentioned cavity of above-mentioned base plate 120 upper spaces.
Meanwhile, above-mentioned each magnetron 171,172 between above-mentioned each transformer 161,162, comprise a side that is installed in above-mentioned cavity 130 top the 1st magnetron 171 and be installed in the 2nd magnetron 172 of bottom of a side of above-mentioned cavity 130.
Here, above-mentioned the 1st transformer 161 is connected with above-mentioned the 1st magnetron 171, and above-mentioned the 2nd transformer 162 is connected with above-mentioned the 2nd magnetron 172.
In addition, formed outstanding guide pipe 122 on the base plate 120, it can be carried the air that is inhaled into by above-mentioned air suction inlet 121 simultaneously to above-mentioned the 1st transformer 161 and the 2nd transformer 162.
Here, above-mentioned guide pipe 122 begins to tilt to the centre position near above-mentioned the 1st transformer 161 and the 2nd transformer 162 gradually from above-mentioned the 1st transformer of distance 161 positions far away.
Certain above-mentioned guide pipe 122 also can form like this, that is: its structure can make and flow to the 2nd transformer 162 residing positions again after outside leaked-in air flows through the 1st transformer 161 earlier.If but could cool off above-mentioned each transformer 161,162 equably, could more help improving the performance of above-mentioned each transformer 161,162 so.In an embodiment of the present invention, the end of above-mentioned guide pipe 122 is roughly on the mid point between each transformer.
In addition, in each position of above-mentioned rear board 150, on the position of above-mentioned the 2nd transformer 162 of correspondence, formed the 3rd air tap 153.
Cooled off above-mentioned the 2nd transformer 162 airborne can not can the discharge by above-mentioned the 3rd tap 153 afterwards here, by that portion of air of blowing fan 181 flow ventilation pipelines 190.
The amount that sucks air is increased, thereby can tentatively improve the cooling effectiveness of each transformer, can also make the air mobile (Air flow) of micro-wave oven inside more smooth and easy simultaneously.
In addition, said fan 181 and fan electromotor 182 are positioned at the superjacent air space of above-mentioned the 2nd transformer 162, and for the air inhalation power can be provided, they are installed towards above-mentioned the 2nd transformer 162.
In addition, said fan cover 183 can play the effect of said fan 181 being protected from the outside, and meanwhile, it can also play the effect that inhaled air guides to ventilation shaft 190 by said fan 181.
Above-mentioned ventilation shaft 190 can play the effect with above-mentioned each magnetron 171,172 guiding of above-mentioned air flow.
In each position of above-mentioned ventilation shaft 190, on the position of the space guiding that air flow is provided with above-mentioned the 1st magnetron 171, formed the 1st connecting pipe 191 of one with it, and this 1st connecting pipe 191 is connected with said fans motor 182 residing positions.
In each position of above-mentioned ventilation shaft 190, can certainly with adjoining position, above-mentioned motor 182 residing positions on form opening, replace above-mentioned the 1st connecting pipe 191 with this.
And need the THICKNESS CONTROL of above-mentioned air duct 190 in the degree that makes on its inwall that can not be close to shell 110, and its past more rear is that fan electromotor 182 residing spaces slope inwardly towards cavity 130 positions more.
Thus, the air of micro-wave oven inside can flow more swimmingly, thereby also just can realize the cooling of said fans motor 182 itself more effectively.
Moreover, in order to make flowing of air more smooth and easy, preferably as shown in the figure, past more interior profile one side of above-mentioned ventilation shaft 190 and outline one side are sloped inwardly more.
In addition, in each side of above-mentioned ventilation shaft 190, formed inwardly outstanding shunting guide frame 192 on that relative side of the position that is connected with said fan cover 183, it can make air successfully to two side flow.
Here, above-mentioned shunting guide frame 192 as shown in figure 11, can form by above-mentioned ventilation shaft 190 is bent into circular arc, also can be as shown in figure 12, outstanding parts are installed on the inwall of above-mentioned ventilation shaft 190 in addition, and aforesaid in a word shunting guide frame 192 should be circular arc on the whole.
Below the air flow process in the micro-wave oven with said structure is specifically described.
At first, if the micro-wave oven entry into service, fan electromotor 182 will begin to drive so, thereby makes blowing fan 181 rotations.
By the rotation of said fan 181, can produce the air inhalation power, under the effect of this air inhalation power and the air that is inhaled into can flow along ventilation shaft 190.
Here, air is under the effect of the air inhalation power that produces along with the rotation of said fan 181, and each air suction inlet 121 by base plate 120 is inhaled into micro-wave oven inside.
And above-mentioned leaked-in air can be subjected to the guiding of the guide pipe 122 of formation on base plate 120, flows to the 1st transformer 161 and the 2nd transformer 162, thereby they are cooled off simultaneously.
Here, the major part of cooling off the air of above-mentioned the 2nd transformer 162 can be by blowing fan 182 and flow ventilation pipeline 190, and the remainder that cooled off the air of above-mentioned the 2nd transformer 162 can be discharged into the rear of micro-wave oven by the 3rd air tap 153 that forms on the plate 150 in the back.
The air that flows in the above-mentioned ventilation shaft 190 can produce shunting under the guiding of shunting guide frame 192, flow towards each magnetron 171,172 residing spaces respectively.Next, these air flow through after above-mentioned each magnetron 171,172, can be the inside of cooking room by the inside that flow into above-mentioned cavity 130 at each air ostium 131.
Here, the part in the 1st magnetron 171 flow air can be passed through to flow in fan electromotor 182 residing spaces by the 1st connecting pipe 191 that forms on the pipeline 190 above-mentioned, thereby with 182 coolings of said fans motor.Next, these air can be discharged the rear that control 152 is discharged into micro-wave oven by the 2nd air that forms on the plate 150 in the back.
In addition, the air that flows into above-mentioned cooking room inside is after above-mentioned cavity 130 inner loop are crossed, can flow to the outside of above-mentioned cavity 130 by each air tap hole 132,133, and be installed in the 1st exhaust duct 134 at above-mentioned each air tap hole 132,133 places and the guiding of the 2nd exhaust duct 135, be discharged into the rear of micro-wave oven by the 1st air tap 151 of rear board 150 respectively.
In the process that above-mentioned a series of action is carried out, those failed to flow through blowing fan 181 after cooling off the 1st transformer 161, but the interior air of the front space that has flow to above-mentioned the 1st transformer 161 present positions can be by the slit between ventilation shaft 190 and the shell 110, inflow is provided with the space of the 2nd air tap 152 and the 3rd air tap 153, next is discharged into the outside by above-mentioned each tap 152,153.
In addition, Figure 13 and Figure 14 have shown the installment state of the 2nd embodiment of the connecting pipe that forms on ventilation shaft.
That is to say, in the 2nd embodiment of the present invention, a kind of the 2nd connecting pipe 193 that can realize following function is provided, that is: it can make the part of air that is transferred in order to cool off the 1st magnetron 150 directly be discharged into the outside by the 2nd air tap 152 that forms on the plate 150 in the back.
The effect of this structure is: consider that the air capacity that flows through the 1st magnetron 171 is than lacking a lot of this situations by passage leaked-in air amount, in order to drop to minimum level to the flow impedance that flows through above-mentioned the 1st magnetron 171 issuable air because of failing smoothly in advance, this structure can make above-mentioned part of air flow through above-mentioned the 1st magnetron 171, and remainder then directly is discharged into the outside.
Here, an end of above-mentioned the 2nd connecting pipe 193 is connected with ventilation shaft 190, and the other end of above-mentioned the 2nd connecting pipe 193 has formed two pipelines.
Above-mentioned some pipelines (hereinafter referred to as " the 1st pipeline ") 193a is connected with the 1st magnetron 171, and another pipeline (hereinafter referred to as " the 2nd pipeline ") 193b then extends to the position that has formed the 2nd air tap 152 always.
Meanwhile, also can realize heat radiation in order to make fan electromotor 182, formed intercommunicating pore 193c on above-mentioned the 2nd pipeline 193b, this intercommunicating pore 193c is forming on that face in said fans motor 182 residing spaces.
Therefore, leaked-in air is in the process that flows through above-mentioned the 1st connecting pipe 193 by ventilation shaft 190, a part wherein can flow through the 1st magnetron 171 by the 1st pipeline 193a, flow into above-mentioned cavity 130 inside by each air ostium 131 that on cavity 130, forms then, remaining air then directly flows along the 2nd pipeline 193b, is discharged into the outside by the 2nd air tap 152 then.
Here, the part in above-mentioned the 2nd pipeline 193b flow air can flow into by the intercommunicating pore 193c that forms on above-mentioned the 2nd pipeline 193b in the fan electromotor 182 residing spaces, thereby makes said fans motor 182 realize heat radiation.
In a word, flow air is discharged into machine exterior with the fastest speed because above-mentioned the 2nd connecting pipe 193 can make under the driving of blowing fan 181, thereby the soakage of air is increased, thereby can improve whole cooling effectiveness.
In addition, the structure of aforesaid the 2nd connecting pipe 193 is not to form at the end of the ventilation shaft 190 of above-mentioned the 1st magnetron 171 positions, also can be shown in the 3rd embodiment of the present invention, form at the end of the ventilation shaft 190 of above-mentioned the 2nd magnetron 172 positions.
Promptly as shown in figure 15, also can form the 3rd connecting pipe 194, this 3rd connecting pipe 194 not only possesses the 3rd pipeline that is connected with the 2nd magnetron 172, but also possesses the 4th pipeline that extends to rear board 150 from above-mentioned the 3rd pipeline 194.
Here, above-mentioned the 3rd connecting pipe 194 can become one with above-mentioned the 2nd connecting pipe 193, also can be independent of above-mentioned the 2nd connecting pipe 193 and formation separately.
In addition, this to be used for the structure that air flows not be to be applied in the unit micro-wave oven that possesses 2 transformers and 2 magnetrons as the foregoing description, can be applied in equally in the home-use micro-wave oven that possesses 1 transformer and 1 magnetron.
Particularly it can also be applied in the micro-wave oven as described below, promptly from the unit that possesses 2 transformers and 2 magnetrons with the micro-wave oven that removes a magnetron and a transformer the micro-wave oven.
Here, the above-mentioned micro-wave oven that has removed a magnetron and a transformer may become home-use micro-wave oven, can learn thus, the present invention is regardless of home-use and unit uses, only need just both can be applied in the home-use micro-wave oven by the number that merely changes magnetron, can the unit of being applied in using in the micro-wave oven again, is a kind of very desirable structure therefore.
Claims (17)
1, a kind of micro-wave oven is characterized in that, comprises with lower member:
Shell has formed the outward appearance of micro-wave oven; Base plate has formed the bottom surface of micro-wave oven; Cavity is installed on the above-mentioned base plate, has formed the cooking room of micro-wave oven; Front panel is installed in the place ahead of above-mentioned base plate; Rear board is installed in the rear of above-mentioned base plate; A pair of magnetron and a pair of transformer are positioned at a side space of above-mentioned cavity; Blowing fan and fan electromotor are installed in above-mentioned each magnetron and the residing space of each transformer; Fan guard can play the effect of protection said fan; Ventilation shaft is connected with said fan cover, can be with each magnetron guiding of above-mentioned air flow.
2, micro-wave oven according to claim 1 is characterized in that:
Above-mentioned a pair of magnetron is installed in the space that is provided with blowing fan respectively, i.e. the upper and lower of the central part of above-mentioned cavity side; With above-mentioned each magnetron is benchmark, and above-mentioned a pair of transformer is installed in the place ahead and the rear of base plate respectively.
3, micro-wave oven according to claim 2 is characterized in that:
Said fan is arranged in the top of that transformer that is installed in the base plate rear of each transformer, and for the air inhalation power can be provided, it is installed towards above-mentioned transformer.
4, a kind of micro-wave oven is characterized in that, comprises with lower member:
Shell has formed the outward appearance of micro-wave oven; Base plate has formed the bottom surface of micro-wave oven; Cavity is installed on the above-mentioned base plate, has formed the cooking room of micro-wave oven; Front panel is installed in the place ahead of above-mentioned base plate; Rear board is installed in the rear of above-mentioned base plate; The 1st transformer and the 2nd transformer, wherein above-mentioned the 1st transformer are arranged in the place ahead in a side space of the above-mentioned cavity of above-mentioned base plate upper space, and above-mentioned the 2nd transformer is arranged in the rear in a side space of the above-mentioned cavity of above-mentioned base plate upper space; The 1st magnetron and the 2nd magnetron, between above-mentioned two transformers, wherein above-mentioned the 1st magnetron is installed in the top of a side of above-mentioned cavity, and the 2nd magnetron is installed in the bottom of a side of above-mentioned cavity; Blowing fan and fan electromotor are installed in the residing space of above-mentioned the 2nd transformer; Fan guard can play the effect of protection said fan; Ventilation shaft is connected with said fan cover, can be with each magnetron guiding of above-mentioned air flow.
5, micro-wave oven according to claim 4 is characterized in that:
The front of above-mentioned base plate has formed several air suction inlets.
6, micro-wave oven according to claim 4 is characterized in that:
Formed the 1st air tap that the air that has flow through above-mentioned inside cavity can be discharged on the above-mentioned rear board.
7, micro-wave oven according to claim 4 is characterized in that:
In above-mentioned rear board, on position, formed the 2nd air tap corresponding to the said fans motor, it is used for discharging the air that is used to cool off the said fans motor.
8, micro-wave oven according to claim 4 is characterized in that:
Need the THICKNESS CONTROL of above-mentioned ventilation shaft in the degree that makes on its inwall that can not be close to shell.
9, micro-wave oven according to claim 8 is characterized in that:
The past more direction in space that is provided with fan electromotor of above-mentioned ventilation shaft tilts to the inboard direction near front panel of cavity more.
10, micro-wave oven according to claim 8 is characterized in that:
Profile one side and outline one side tilted to the inboard direction near front panel of cavity more in above-mentioned ventilation shaft was past more.
11, micro-wave oven according to claim 4 is characterized in that:
Also comprise the 1st connecting pipe that is connected with the residing space of fan electromotor in the above-mentioned ventilation shaft.
12, micro-wave oven according to claim 4 is characterized in that:
Also comprise the 2nd connecting pipe in the above-mentioned ventilation shaft, and this 2nd connecting pipe possess the 1st pipeline that is connected with the 1st magnetron and the 2nd pipeline that begins always to extend to rear board from above-mentioned the 1st pipeline.
13, micro-wave oven according to claim 12 is characterized in that:
Formed the intercommunicating pore that is connected with the space that is provided with the said fans motor on above-mentioned the 2nd pipeline.
14, micro-wave oven according to claim 4 is characterized in that:
Also comprise the 3rd connecting pipe in the above-mentioned ventilation shaft, and this 3rd connecting pipe possess the 3rd pipeline that is connected with the 2nd magnetron and the 4th pipeline that begins always to extend to rear board from above-mentioned the 3rd pipeline.
15, micro-wave oven according to claim 4 is characterized in that:
The top guide pipe that formed of above-mentioned base plate, this guide pipe can guide air to flow to the residing position of the 1st transformer.
16, micro-wave oven according to claim 15 is characterized in that:
Guide pipe tilts towards above-mentioned the 1st transformer.
17, micro-wave oven according to claim 4 is characterized in that:
In above-mentioned rear board, on the position of above-mentioned the 2nd transformer of correspondence, formed the 3rd air tap, the air that has flow through above-mentioned the 2nd transformer can be discharged by it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031304877A CN100360852C (en) | 2003-07-29 | 2003-07-29 | Microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031304877A CN100360852C (en) | 2003-07-29 | 2003-07-29 | Microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1576709A CN1576709A (en) | 2005-02-09 |
| CN100360852C true CN100360852C (en) | 2008-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031304877A Expired - Fee Related CN100360852C (en) | 2003-07-29 | 2003-07-29 | Microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100360852C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112530B (en) * | 2016-08-31 | 2018-06-15 | 中山市鑫光智能系统有限公司 | Micro-wave oven automatic production line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US632017A (en) * | 1899-06-12 | 1899-08-29 | David S Mawson | Stanchion. |
| US3654417A (en) * | 1970-10-30 | 1972-04-04 | Litton Precision Prod Inc | Microwave oven including air flow system |
| US4623771A (en) * | 1984-06-19 | 1986-11-18 | Sharp Kabushiki Kaisha | High-voltage transformer cooling assembly of microwave oven |
| US4812617A (en) * | 1979-03-06 | 1989-03-14 | Sharp Kabushiki Kaisha | Cooling system for cooling electrical parts for microwave oven |
| US5981929A (en) * | 1996-12-20 | 1999-11-09 | Matsushita Electric Industrial Co., Ltd. | Heating cooker with a space-efficient ventilating arrangement |
-
2003
- 2003-07-29 CN CNB031304877A patent/CN100360852C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US632017A (en) * | 1899-06-12 | 1899-08-29 | David S Mawson | Stanchion. |
| US3654417A (en) * | 1970-10-30 | 1972-04-04 | Litton Precision Prod Inc | Microwave oven including air flow system |
| US4812617A (en) * | 1979-03-06 | 1989-03-14 | Sharp Kabushiki Kaisha | Cooling system for cooling electrical parts for microwave oven |
| US4623771A (en) * | 1984-06-19 | 1986-11-18 | Sharp Kabushiki Kaisha | High-voltage transformer cooling assembly of microwave oven |
| US5981929A (en) * | 1996-12-20 | 1999-11-09 | Matsushita Electric Industrial Co., Ltd. | Heating cooker with a space-efficient ventilating arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1576709A (en) | 2005-02-09 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 |