CN105402787B - Micro-wave oven - Google Patents
Micro-wave oven Download PDFInfo
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- CN105402787B CN105402787B CN201410469013.3A CN201410469013A CN105402787B CN 105402787 B CN105402787 B CN 105402787B CN 201410469013 A CN201410469013 A CN 201410469013A CN 105402787 B CN105402787 B CN 105402787B
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Abstract
The invention provides a kind of micro-wave oven, including：The hollow cavity of one end open, and hot air intake and exhaust outlet are additionally provided with the wall of cavity, hot air intake and exhaust outlet are separately set；Door body, positioned at the outside of cavity and at the opening of cavity；Microwave source, positioned at the outside of cavity and on cavity, and closes on hot air intake；And fan, setting is engaged positioned at the outside of cavity and with microwave source, and close on hot air intake；Wherein：Fan can be by the heat on microwave source from hot gas inlet guide to cavity inside.The micro-wave oven that the present invention is provided, simple in construction, small volume, inside of the fan by the heat on microwave source from hot gas inlet guide to cavity takes full advantage of the heating of microwave source, to improve the efficiency utilization rate of micro-wave oven.
Description
Technical field
The present invention relates to field of household appliances, more specifically, it is related to a kind of micro-wave oven.
Background technology
With the enhancing of everybody environmental consciousness, this energy-saving and environmental protection of such as micro-wave oven, it is clean and efficiently electrical equipment more and more by
To our favor.As shown in figure 1, traditional micro-wave oven mainly include cavity 1 ', fire door 2 ', control panel 12 ', magnetron 3 ',
Waveguide 4 ', transformer 5 ', high-voltage capacitance 6 ', radiating subassembly 7 ' etc., as shown in figure 1, transformer output 2KV or so voltage,
Half-wave voltage multiplying rectifier is carried out by high-voltage capacitance and its internal high-voltage diode, produced between the anode and negative electrode of magnetron big
About 4K lies prostrate left and right high voltage pulse, and the polar molecule that magnetron is exported in 2450MHz microwave, food is done with 2450MHz frequencies to shake
Swing, collide with each other a large amount of frictional heats of generation between molecule.Magnetron, transformer produce substantial amounts of in the micro-wave oven course of work
Heat, is radiated by (fan, wind deflector etc. the are constituted) cooling system being fixed in back plate to it.
Conventional microwave oven, magnetron, transformer etc. need to be distributed in the critical piece structure radiated more disperse, it is necessary to compared with
Big fan and higher rotating speed meet radiating requirements, the main source of noise when this is also the operation of micro-wave oven complete machine, moreover,
Because magnetron, transformer size are larger, the volume for also resulting in complete machine is larger, highlights heaviness.
With advances in technology, the novel microwave oven using semiconductor as microwave driving source is now occurred in that, but its efficiency is relatively low,
Do not reach the minimum standard of 56% efficiency of national regulation, cause the market prospects of product depressed.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.
Therefore, the invention provides a kind of simple in construction, small volume and the high micro-wave oven of efficiency utilization rate, it is preferably full
Foot requirement of the user to product efficiency, while also make it that micro-wave oven is compact, its outward appearance is more aobvious attractive in appearance.
The invention provides a kind of micro-wave oven, including：Also set up on the hollow cavity of one end open, and the wall of the cavity
There are hot air intake and exhaust outlet, the hot air intake and the exhaust outlet are separately set；Door body, positioned at the outer of the cavity
Side is simultaneously arranged at the opening of the cavity；Microwave source, positioned at the outside of the cavity and on the cavity, and faces
The nearly hot air intake；And fan, setting is engaged positioned at the outside of the cavity and with the microwave source, and close on described
Hot air intake；Wherein：Heat on the microwave source can be directed in the cavity by the fan from the hot air intake
Portion.
The micro-wave oven that the present invention is provided, simple in construction, small volume, fan is by the heat on microwave source from hot gas inlet guide
To the inside of cavity, the heating of microwave source is taken full advantage of, to improve the efficiency utilization rate of micro-wave oven so that micro-wave oven is more energy efficient
Environmental protection, can preferably meet requirement of the user to micro-wave oven efficiency.
Moreover, the heat of itself can be also delivered on the wall of cavity by microwave source by way of heat transfer, and then transmit
To the inside of cavity, to lift the temperature inside cavity 1, the utilization rate of the heat produced by microwave source is further increased, is made
The energy consumption for obtaining micro-wave oven is minimized, and also preferably improves the cooking efficiency of micro-wave oven.
Tests prove that, the micro-wave oven provided using the present invention is cooked, and its efficiency can reach more than 56%, and production
Raw noise is also smaller.
According to one embodiment of present invention, the micro-wave oven also includes：Air channel, positioned at the outside of the cavity and pacifies
On the cavity, and its one end is connected with the air outlet of the fan, the other end is connected with the hot air intake, institute
Microwave source is stated to be arranged on the wall in the air channel.
According to one embodiment of present invention, the air channel includes：Air-guiding aisle, the air outlet of its entrance and the fan
It is connected, exports and be connected with the entrance of the first accessory channel；First accessory channel, it is exported and the second accessory channel
Entrance is connected；With second accessory channel, its outlet is connected with the hot air intake；Wherein, the microwave source is installed
In on the outer wall of first accessory channel.
According to one embodiment of present invention, the micro-wave oven also includes：Heat sink, positioned at the air-guiding aisle and described
Between second accessory channel, and first accessory channel is located in the heat sink, the microwave source is fixed on the radiating
On the outer wall of plate.
According to one embodiment of present invention, multiple fence are provided with the heat sink, multiple fence are located at institute
State in the first accessory channel and separately set along the transverse direction of first accessory channel, son is formed between the adjacent fence logical
Road.
According to one embodiment of present invention, the fan be arranged on the hot air intake at and the fan air-out
Mouthful towards the hot air intake.
According to one embodiment of present invention, the micro-wave oven also includes：Thermal conductor, one end is connected with the microwave source
Connect, the other end is connected with fin；With the fin, at the air outlet of the fan.
According to one embodiment of present invention, the microwave source includes：Body；And heat sink, install on the body,
Described one end of the thermal conductor is pressed between the body and the heat sink.
According to one embodiment of present invention, the thermal conductor is heat pipe, and the heat pipe includes what is separately set
It is multiple.
According to one embodiment of present invention, the body is semiconductor, and the heat sink is aluminium base.
In summary, the micro-wave oven that provides of the present invention, simple in construction, small volume, fan is by the heat self-heating on microwave source
Gas inlet guide takes full advantage of the heating of microwave source to the inside of cavity, to improve the efficiency utilization rate of micro-wave oven so that micro-
The more energy efficient environmental protection of ripple stove, can preferably meet requirement of the user to micro-wave oven efficiency.
The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of micro-wave oven described in correlation technique one embodiment；
Fig. 2 is the structural representation of the micro-wave oven described in one embodiment of the invention；
Fig. 3 is the structural representation after fan in Fig. 2, air channel are mutually assembled with angle bar；
Fig. 4 is the cross section structure diagram in air channel in Fig. 3；
Fig. 5 is the structural representation of heat sink in Fig. 3；
Fig. 6 is after fan in another of the invention true described micro-wave oven, microwave source, thermal conductor are mutually assembled with fin
Structural representation.
Wherein, the corresponding relation in Fig. 1 between reference and component names is：
1 ' cavity, 2 ' fire doors, 3 ' magnetrons, 4 ' waveguides, 5 ' transformers, 6 ' high-voltage capacitances, 7 ' radiating subassemblies, 12 ' controls
Making sheet.
Corresponding relations of the Fig. 2 into Fig. 6 between reference and component names be：
1 cavity, 2 door body, 3 fans, 4 air-guiding aisles, 5 first accessory channels, 6 second accessory channels, 7 bodies, 71 fence,
8 heat sinks, 9 thermal conductors, 10 angle bar, 11 dc sources, 12 control panels, 13 fin, 14 microwave sources.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from mode described here using other, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
The invention provides a kind of micro-wave oven, as shown in Fig. 2 including：The hollow cavity 1 of one end open, and the cavity 1
Wall on be additionally provided with hot air intake and exhaust outlet, the hot air intake and the exhaust outlet are separately set；Door body 2, is located at
The outside of the cavity 1 is simultaneously arranged at the opening of the cavity 1；Microwave source, positioned at the outside of the cavity 1 and is arranged on
On the cavity 1, and close on the hot air intake；With fan 3, match positioned at the outside of the cavity 1 and with the microwave source
Close and set, and close on the hot air intake；Wherein：The fan 3 can be by the heat on the microwave source from the hot air intake
It is directed to the inside of the cavity 1.
The micro-wave oven that the present invention is provided, simple in construction, small volume, fan 3 leads the heat on microwave source from hot air intake
To the inside to cavity 1, the heating of microwave source is taken full advantage of, to improve the efficiency utilization rate of micro-wave oven so that micro-wave oven is more
Energy-conserving and environment-protective, can preferably meet requirement of the user to micro-wave oven efficiency.
Moreover, the heat of itself can be also delivered on the wall of cavity 1 by microwave source by way of heat transfer, and then transmit
To the inside of cavity 1, to lift the temperature inside cavity 1, the utilization rate of the heat produced by microwave source is further increased, is made
The energy consumption for obtaining micro-wave oven is minimized, and also preferably improves the cooking efficiency of micro-wave oven.
Tests prove that, the micro-wave oven provided using the present invention is cooked, and its efficiency can reach more than 56%, and production
Raw noise is also smaller.
Preferably, the exhaust outlet is arranged on the upper wall of cavity, hot air intake is arranged on the rear wall of cavity.
Certainly, exhaust outlet can also be provided on the rear wall of cavity, on left side wall or right side wall is first-class, hot air intake
It can be provided on the upper wall of cavity, on left side wall or right side wall is first-class；The purpose of the application can be all realized, its objective does not take off
From the design philosophy of the present invention, it should belong in the protection domain of the application.
The hot air intake and the exhaust outlet are separately set, and make to enter high-temperature gas, discharge cryogenic gas in cavity,
The thermal balance of inside cavity can be achieved, additionally it is possible to lift the cooking efficiency of cavity.
In one embodiment of the present of invention, as shown in Figures 2 and 3, the micro-wave oven also includes：Air channel, positioned at the chamber
The outside of body 1 simultaneously be arranged on the cavity 1 on, and its one end is connected with the air outlet of the fan 3, the other end with it is described
Hot air intake is connected, and the microwave source is installed on the wall in the air channel.
Guiding is played a part of in air channel, and the heat that microwave source is produced is directed to the inside of cavity in the presence of fan,
Heat can be reduced outwardly to transmit, so as to reach the purpose for improving micro-wave oven energy utilization rate.
Specifically, as shown in Figure 3 and Figure 4, the air channel includes：Air-guiding aisle 4, the air-out of its entrance and the fan 3
Mouthful it is connected, exports and be connected with the entrance of the first accessory channel 5；First accessory channel 5, it exports logical with the second auxiliary
The entrance in road 6 is connected；With second accessory channel 6, its outlet is connected with the hot air intake；Wherein, the microwave
Source is installed on the wall of first accessory channel 5.
Wherein, as shown in Figures 3 to 5, the micro-wave oven also includes：Heat sink 8, positioned at the air-guiding aisle 4 and described
Between second accessory channel 6, and first accessory channel 5 is located in the heat sink 8, the microwave source 14 be fixed on it is described
On the lateral wall of heat sink 8.
Moreover, being provided with multiple fence 71 on the heat sink 8, multiple fence 71 are located at first accessory channel
In 5 and along first accessory channel 5 transverse direction (i.e.：Set along the width of the first accessory channel 5, the first accessory channel 5
Length direction be its inner air flow direction) separately set, form subchannel, described first between the adjacent fence 71
Accessory channel 5 includes the subchannel.
Wherein it is preferred to, heat sink 8 is integral type structure with fence 71.
Preferably, microwave source 14 is fixed by screws on heat sink 8, and heat sink 8 passes through angle bar 10 and the outside of cavity 1
One or more of rear wall, left side wall or right side wall be mutually fixedly connected.
In an alternative embodiment of the invention, as shown in fig. 6, the fan 3 is arranged at the hot air intake and described
The air outlet of fan 3 is towards the hot air intake, and the heat transfer that microwave source 14 is produced is to heat sink 8, and fan 3 can be by microwave source
14 and heat sink 8 on heat be blown into or be drawn into cavity 1 inside, with effectively utilize this partial heat；Moreover, heat sink 8
Also heat can be transmitted to the inside of cavity 1 by way of being fixed on the outer wall of cavity 1, so can further lift this
The utilization rate of partial heat.
Preferably, as shown in fig. 6, the micro-wave oven also includes：Thermal conductor 9, one end is connected, separately with the microwave source
One end is connected with fin 13；With the fin 13, at the air inlet or air outlet of the fan 3.
Wherein, fin 13 is arranged on the air inlet of fan 3, and fan draws the heat on fin 13 in the form of drying
It is directed in cavity 1；And fin 13 is arranged at the air outlet of fan 3, fan is then by the heat on fin 13 with air draught shape
Formula is guided to the cavity 1.
And the microwave source includes：Body 7 is (i.e.：The body of microwave can be produced)；With heat sink 8, installed in the body 7
On, described one end of the thermal conductor 9 is pressed between the body 7 and the heat sink 8, be better achieved body and
Heat transfer between thermal conductor 9, i.e.,：Preferably body is radiated.
Wherein, preferably, the body 7 is semiconductor, and the heat sink 8 is aluminium base, and the thermal conductor 9 is heat
Pipe, and the heat pipe is multiple including what is separately set.
Heat pipe is a kind of heat transfer element with very high thermal conductivity, and it passes through the steaming of the liquid in Totally enclosed vacuum pipe
Hair transmits heat with condensing, and it uses three kinds of thermaltransmission modes (radiation, convection current, heat transfer) medium-rate most fast heat and passed
Lead, one end of heat pipe is embedded between body and heat sink, wherein the part being embedded between body and heat sink is in flat, make heat
Copper base on pipe directly contact body, the heat that directly quickly can be produced body, which is taken away, is transferred to the another of heat pipe
End, the other end of heat pipe is cylindrical, thereon the fin (elongated shape) equipped with equal thickness, equidistantly distributed, to increase
Area of dissipation, is fixed, fan is fixedly connected by screw with fin between fin and heat pipe by the way of welding.Cavity
U plates side opens up hot air intake, during fan running, produces air-flow, by the gap between fin, and enters the interior of cavity
Portion, then the heat on fin be brought into cavity, food is heated, the efficiency of complete machine is improved.
In addition, being additionally provided with dc source 11, control panel 12 etc. on the cavity of the micro-wave oven.
In summary, the micro-wave oven that provides of the present invention, simple in construction, small volume, fan is by the heat self-heating on microwave source
Gas inlet guide takes full advantage of the heating of microwave source to the inside of cavity, to improve the efficiency utilization rate of micro-wave oven so that micro-
The more energy efficient environmental protection of ripple stove, can preferably meet requirement of the user to micro-wave oven efficiency.
In the description of the invention, term " installation ", " connected ", " connection ", " fixation " etc. all should be interpreted broadly, example
Such as, " connection " can be fixedly connected or be detachably connected, or be integrally connected；Can be joined directly together, can also
It is indirectly connected to by intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.
In the description of this specification, the description of term " one embodiment " etc. means that combining the embodiment or example describes
Specific features, structure, material or feature be contained in the present invention at least one embodiment or example in.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of micro-wave oven, it is characterised in that including：
Hot air intake and exhaust outlet, the hot air intake are additionally provided with the hollow cavity of one end open, and the wall of the cavity
Separately set with the exhaust outlet；
Door body, positioned at the outside of the cavity and at the opening of the cavity；
Microwave source, positioned at the outside of the cavity and on the cavity, and closes on the hot air intake；With
Fan, setting is engaged positioned at the outside of the cavity and with the microwave source, and close on the hot air intake；Wherein：
Heat on the microwave source can be directed to the inside of the cavity by the fan from the hot air intake.
2. micro-wave oven according to claim 1, it is characterised in that also include：
Air channel, positioned at the outside of the cavity and on the cavity, and its one end is connected with the air outlet of the fan
The logical, other end is connected with the hot air intake, and the microwave source is installed on the wall in the air channel.
3. micro-wave oven according to claim 2, it is characterised in that the air channel includes：
Air-guiding aisle, its entrance is connected with the air outlet of the fan, exports and is connected with the entrance of the first accessory channel；
First accessory channel, its outlet is connected with the entrance of the second accessory channel；With
Second accessory channel, its outlet is connected with the hot air intake；
Wherein, the microwave source is arranged on the outer wall of first accessory channel.
4. micro-wave oven according to claim 3, it is characterised in that also include：
Heat sink, between the air-guiding aisle and second accessory channel, and first accessory channel is positioned at described
Heat sink is interior, the microwave source is fixed on the lateral wall of the heat sink.
5. micro-wave oven according to claim 4, it is characterised in that
It is provided with multiple fence on the heat sink, multiple fence are located in first accessory channel and along described first
The transverse direction of accessory channel is separately set, and subchannel is formed between the adjacent fence.
6. micro-wave oven according to claim 1, it is characterised in that
The fan be arranged at the hot air intake and the fan air outlet towards the hot air intake.
7. micro-wave oven according to claim 6, it is characterised in that also include：
Thermal conductor, one end is connected with the microwave source, the other end is connected with fin；With
The fin, at the air outlet of the fan.
8. micro-wave oven according to claim 7, it is characterised in that the microwave source includes：
Body；With
Heat sink, is installed on the body, described one end of the thermal conductor is pressed on the body and the heat sink
Between.
9. the micro-wave oven according to claim 7 or 8, it is characterised in that
The thermal conductor is heat pipe, and the heat pipe is multiple including what is separately set.
10. micro-wave oven according to claim 4, it is characterised in that
The heat sink is aluminium base.
11. micro-wave oven according to claim 8, it is characterised in that
The body is semiconductor, and the heat sink is aluminium base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469013.3A CN105402787B (en) | 2014-09-15 | 2014-09-15 | Micro-wave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469013.3A CN105402787B (en) | 2014-09-15 | 2014-09-15 | Micro-wave oven |
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| Publication Number | Publication Date |
|---|---|
| CN105402787A CN105402787A (en) | 2016-03-16 |
| CN105402787B true CN105402787B (en) | 2017-10-24 |
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ID=55468438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410469013.3A Active CN105402787B (en) | 2014-09-15 | 2014-09-15 | Micro-wave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402787B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374557A (en) * | 2011-10-31 | 2012-03-14 | 广东美的微波电器制造有限公司 | Microwave feeding structure of semiconductor microwave oven |
| CN103851661A (en) * | 2012-12-06 | 2014-06-11 | 广东美的厨房电器制造有限公司 | Semiconductor microwave oven |
| CN103912900A (en) * | 2014-03-20 | 2014-07-09 | 广东美的厨房电器制造有限公司 | Semiconductor microwave generator connection structure of microwave oven and microwave oven |
| CN204063177U (en) * | 2014-09-15 | 2014-12-31 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0830576B2 (en) * | 1989-06-16 | 1996-03-27 | 三洋電機株式会社 | Radiant heater |
-
2014
- 2014-09-15 CN CN201410469013.3A patent/CN105402787B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374557A (en) * | 2011-10-31 | 2012-03-14 | 广东美的微波电器制造有限公司 | Microwave feeding structure of semiconductor microwave oven |
| CN103851661A (en) * | 2012-12-06 | 2014-06-11 | 广东美的厨房电器制造有限公司 | Semiconductor microwave oven |
| CN103912900A (en) * | 2014-03-20 | 2014-07-09 | 广东美的厨房电器制造有限公司 | Semiconductor microwave generator connection structure of microwave oven and microwave oven |
| CN204063177U (en) * | 2014-09-15 | 2014-12-31 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
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| Publication number | Publication date |
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| CN105402787A (en) | 2016-03-16 |
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