CN1752541A - Exhaust pipe structure for electronic component containing chamber of microwave oven - Google Patents
Exhaust pipe structure for electronic component containing chamber of microwave oven Download PDFInfo
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- CN1752541A CN1752541A CN 200410072032 CN200410072032A CN1752541A CN 1752541 A CN1752541 A CN 1752541A CN 200410072032 CN200410072032 CN 200410072032 CN 200410072032 A CN200410072032 A CN 200410072032A CN 1752541 A CN1752541 A CN 1752541A
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- electronic component
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- back side
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Abstract
The invented exhaust duct structure of electronic component containing chamber of microwave oven includes the following several portions: air suction inlet for sucking the air supplied by blowing fan, main body portion whose interior is equipped with a formed air channel capable of guiding the sucked air and feeding it into magnetron side and back surface cover fixed on the back of main body portion and used for preventing the above-mentioned air from back-flowing into the interior of electronic component containing chamber.
Description
Technical field
The present invention relates to micro-wave oven.More detailed says that the present invention relates to: after sucking the air of electronic component containing chamber inside, when directly blowing magnetron, to the invention of the outside exhaust pipe structure for electronic component containing chamber of discharging of micro-wave oven.
Background technology
Generally speaking, micro-wave oven is the supply according to electric current, allows the magnetron launched microwave, and makes this microwave irradiation in shone things such as foods, thus the device of cooking food.
Micro-wave oven is divided into: the home-use micro-wave oven of small-sized magnetron is installed, and the commerce micro-wave oven that large-scale or a plurality of magnetrons are installed.In addition, commercial main demand object with micro-wave oven is: the convenience store that frequency of utilization is higher, the restaurant that perhaps will finish food cooking at short notice.Therefore, with respect to home-use micro-wave oven, commercial will possess high relatively power with micro-wave oven.
In addition, micro-wave oven can also be distinguished according to the mode of heat food.Here, the general glass rotating disk mode that makes the food rotation that adopts of home-use micro-wave oven; Commercial with the general metal figure of confusion mode of using the microwave of irradiation at random of micro-wave oven.
Below, with reference to the accompanying drawings, aforesaid commercial structure with micro-wave oven (hereinafter to be referred as micro-wave oven) is elaborated.Fig. 1 is the oblique view that general commerce is used microwave oven structure.Fig. 2 is the oblique view of demonstration according to the electronic component containing chamber discharge duct back side of the micro-wave oven of conventional art.
At first, with reference to Fig. 1, general microwave oven structure is described.
Micro-wave oven is by the shell that forms outward appearance; Culinary art chamber 20; Electronic component containing chamber 30; Constitute.In addition, micro-wave oven also includes: the door 40 that is arranged at culinary art 20 fronts, chamber.
Shell also plays the effect of its inner culinary art chamber 20 that forms of protection when forming the micro-wave oven outward appearance.Therefore, shell generally is to be formed by the iron plate with certain rigidity.
Shell be that the center is provided with culinary art chamber 20, and comprises following components and constitute: the top panel 11 that covers the top and two sides of cooking chamber 20 simultaneously; Bottom panel 13 below the protection; Form the front panel 15 of culinary art 30 fronts, chamber; The rear board 17 at protection culinary art 20 back sides, chamber.
Culinary art chamber 20 is actually the space of carrying out food cooking, probably forms the quadrangular box shape of opening.Promptly put into food by front opening part, and by taking out the food that culinary art finishes after a period of time.
The top of culinary art chamber 20 promptly is provided with above the outside: the microwave that guides the magnetron generation that will be described below is to the waveguide pipe 21 of cooking 20 inside, chamber.Here, a side of waveguide pipe 21 is provided with: the synchronous motor M that drives the blower fan that will be described below.
As mentioned above, waveguide pipe 21 not only is arranged at above the outside of culinary art chamber 20, also is arranged at below the outside of cooking the chamber.That is, the top and bottom of culinary art chamber 20 are provided with waveguide pipe 21 separately.Be injected in the microwave of culinary art 20 inside, chamber from waveguide pipe 21 here, and be expelled to the top will be from the over-injected to the below time again from the below.
Electronic component containing chamber 30 is the spaces that are formed at the enclosure right side.Electronic component containing chamber 30 inside are provided with: a plurality of electronic components that drive the operation of culinary art chamber 20.
Be provided with in the electronic component containing chamber 30: transformer 31; Magnetron 33; Blower fan 35; Capacitor 37; A plurality of electronic components such as noise filter 39.
In addition, in a plurality of electronic components, the effect of transformer 31 and magnetron 33 is: generate the microwave to the 20 inner injections of culinary art chamber.In this process, electronic component will be in the condition of high temperature.Therefore, in the process of cooking food, electronic component containing chamber 30 temperature inside will rise.
In order to cool off the electronic component containing chamber 30 that is under the condition of high temperature, need suck air from the outside.Suck extraneous air by blower fan 35 here.Though blower fan 35 is prompting in the drawings not, the rotation that is actually by being arranged at inner blowing fan sucks air.Blowing fan rotates by the revolving force that fan electromotor provides.Above-mentioned described, blowing fan is by self rotating the air that sucks electronic component containing chamber 30 inner spaces.In this process, air will be sucked by blowing fan via back around the transformer 31, therefore transformer 31 be cooled off naturally.
In addition, electronic component containing chamber 30 inside, a side of the more detailed blower fan 35 of saying so possesses and has: electronic component containing chamber discharge duct 50.The effect of electronic component containing chamber discharge duct 50 is: guiding makes air be discharged to the electronic component containing chamber outside via magnetron 33 by blower fan 35 inhaled airs.And, though not prompting among the figure is formed with in the rear board 17: the exhaust outlet that is discharged to the micro-wave oven outside by the air of electronic component containing chamber discharge duct 50 guiding.
Below, with reference to Fig. 2, the structure of electronic component containing chamber discharge duct 50 is elaborated.
Electronic component containing chamber discharge duct 50 is by: main part 51 and 53 formations of back side cover.
At first, the effect of main part 51 is: the magnetron of blowing by blower fan 35 inhaled airs.Here, main part 51 left sides are formed with the air suction inlet 51a that is communicated with blower fan 35.Then, the internal face of main part 51, the right side of the more detailed suction inlet 51a that says so is formed with: the inhaled air air guiding device 51b that downside separates that makes progress.In addition, be formed with in the main part 51: will be drawn into upside discharge duct 51c and downside discharge duct 51d that inner air supplies to upside and downside.
Then, above-mentioned back side cover 53 is close to above the left side of aforementioned body portion 51.More detailed says, above above-mentioned back side cover 53 above-mentioned air suction inlet 51a of covering and the air guiding device 51b.
In addition, back side cover 53 utilizes bonding agent or two-sided tape to be fixed in above the main part 51.That is, after the upper edge of main part 51 is smeared bonding agent or pasted two-sided tape, adhere to back side cover 53.Like this, the back side can be covered 53 is fixed in above the main part 51.
But, there are the following problems for aforesaid conventional art: as mentioned above, utilize bonding agent or two-sided tape that the back side is covered under 53 states that are fixed in above the main part 51, electronic component containing chamber 50 inside will flow into the air that is in the electronic component containing chamber under the heated condition.This high temperature air will contact with electronic component containing chamber discharge duct 50, thereby transmit heat to electronic component containing chamber 50.Therefore, fixedly the bonding agent or the two-sided tape of back side cover 53 will melt owing to being heated.
Thus, utilize the stationary state of the fixing back side cover 53 of bonding agent or two-sided tape will become insecure.Therefore, might make the back side cover 53 moments disengaging main part 51.
In addition, as mentioned above, be fixed in main part 51 if back side cover 53 fails to be close to, the air of blowing by blower fan 35 can not supply to upside discharge duct 51c and downside discharge duct 51d smoothly, but adverse current is to electronic component containing chamber inside.
Summary of the invention
The present invention proposes in order to improve above-mentioned problem.Therefore, the purpose of this invention is to provide: the structure that can fixedly secure back side cover.
Another object of the present invention is: the operation of fixing above-mentioned back side cover becomes and is more prone to.
To achieve these goals, the exhaust pipe structure for electronic component containing chamber according to micro-wave oven of the present invention comprises that following components constitutes: suck the air suction inlet according to the air of blower fan air-supply; Inside is formed with the guiding inhaled air and makes the main part of air to magnetron side flow air passage; Be fixed in the front of aforementioned body portion, thereby prevent by above-mentioned air suction inlet inhaled air at the back side of the phenomenon of the inner adverse current of electronic component containing chamber cover.In addition, back side cover is fixed in main part according to cover connector system, and as feature.
Then, cover connector system is characterized in that comprising following components constitutes: be formed at a side end of back side cover, and can make a side of back side cover be hung on main part and fixing hook protuberance; Be formed at a side of main part, and the pocket for the punch head that the hook protuberance is inserted; Be formed at the end side of back side cover, and the opposite side that the back side is covered is fixed in the through hole of main part according to screw; Be formed at the opposite side of main part, the connecting hole of connecting screw.
The hook protuberance is preferably formed as to a plurality of.
The through hole of back side cover and the connecting hole of main part preferably all form a plurality of.
According to aforesaid the present invention, can make firm the fixing of back side cover, and can prevent to flow into the air inversion of electronic component containing chamber discharge duct inside to electronic component containing chamber inside.
As mentioned above, the exhaust pipe structure for electronic component containing chamber according to micro-wave oven of the present invention has following effect:
Main part is fixed in according to the hook protuberance in the right side of back side cover, and main part then is fixed in by screw in the left side.Thus, the effect of short of external force (for example turning on above-mentioned screw etc.), back side cover will can not break away from from main part.Therefore, the stationary state of back side cover will become very firm.
In the prior art, for back side cover is fixed in main part, except using bonding agent, also to aim at the positive position of back side cover.But, in the present invention, be inserted in the operation of main part by hook protuberance with back side cover, just can aim at the position that cover at the back side.Therefore, have: back side cover can be fixed in position accurately, and make the fixed operation of the back side cover easy advantage that becomes.
In addition, in case the firm main part that is fixed in is covered at the back side, back side cover will can not break away from from main part, thereby not have leakage of air between back side cover and the main part.Therefore, by the air of blower fan air-supply can be a large amount of be blown into the upper and lower sides magnetron, thereby can effectively carry out the cooling of magnetron.
In addition, electronic component containing chamber inside adds hot-air and also can be discharged to the micro-wave oven outside.
Description of drawings
Fig. 1 is the oblique view that general commerce is used microwave oven structure.
Fig. 2 is the oblique view of demonstration according to the electronic component containing chamber discharge duct back side of the micro-wave oven of conventional art.
Fig. 3 is the oblique view that shows according to the electronic component containing chamber discharge duct back side of micro-wave oven of the present invention.
Fig. 4 is the part oblique view of major part among Fig. 3.
The symbol description of accompanying drawing major part:
100: electronic component containing chamber discharge duct 110: main part
110a: lateral guide 110b: medial guide
110c: bottom surface sections 110d: air flow circuit
111: upside discharge duct 113: the downside discharge duct
115: air suction inlet 117: the air separation guiding device
130: back side cover 200: pocket for the punch head
210: connecting hole 300: the hook protuberance
310: through hole
The specific embodiment
Below, with reference to the accompanying drawings, the exhaust pipe structure for electronic component containing chamber according to micro-wave oven of the present invention is elaborated.
Fig. 3 is the oblique view that shows according to the electronic component containing chamber discharge duct back side of micro-wave oven of the present invention.Fig. 4 is the part oblique view of major part among Fig. 3.
At first, micro-wave oven is by constituting as lower member: shell; Be provided with the electronic component containing chamber of a plurality of electronic components; Put into the culinary art chamber of culinary art object.In addition, the inside of electronic component containing chamber is provided with the electronic component containing chamber discharge duct.
As shown in Figure 3, electronic component containing chamber discharge duct 100 is by: main part 110 and 130 formations of back side cover.
In addition, and guiding device (110a, 110b) preferably integrally formed with bottom surface sections 110c.(110a, 110b) inside with bottom surface sections 110c forms fixed to some extent air duct 110d to guiding device.The effect of air duct 110d is: from blower fan (not illustrating the figure) leaked-in air, utilize the air separation guide means guide that will be described below to upside and downside.
In addition, (110a, 110b) separately to right-hand bending, and its inside is formed with upside discharge duct 111 and downside discharge duct 113 to guiding device side by side.
Upside discharge duct 111 utilizes the air separation guiding device that is described below, guiding to the top from blower fan (not prompting the figure) leaked-in air.Here, though not prompting among the figure, the outlet side of above-mentioned upside discharge duct 111 is provided with the upside magnetron.Therefore, will directly discharge by the air of upside discharge duct 111 air-supplies to the upside magnetron.
Then, downside discharge duct 113 utilizes the air separation guiding device that is described below, guiding to the below from blower fan (not prompting the figure) leaked-in air.Here, though not prompting among the figure, the outlet side of downside discharge duct 113 is provided with the downside magnetron.Therefore, will directly discharge by the air of downside discharge duct 113 air-supplies to the downside magnetron.
In addition, the centre position, general left side of lateral guide 110a is formed with: because and blower fan (among the figure not prompting) connection, thereby can suck the air suction inlet 115 of air.Air suck 115 right-hand, the left side of the more detailed medial guide 110b that says so is formed with: general air separation guiding device 117 triangular in shape.Therefore, will separate up and down according to air separation guiding device 117, and supply to upside discharge duct 111 and downside discharge duct 113 separately by air suction inlet 115 inhaled airs.
Be formed with among the medial guide 110b: the pocket for the punch head 200 that the hook protuberance that makes back side cover that will be described below inserts.Pocket for the punch head 200 will be arranged at upside and the downside of above-mentioned medial guide 110b separately.
Then, the left side leading section of lateral guide 110a is formed with: that will be described below and the corresponding connecting hole 210 of through hole back side cover.
The manufacturing process that possesses the main part 110 of structure as mentioned above is as follows:
At first, need to prepare to make the member of main part 110.That is, and guiding device (110a, 110b); Bottom surface sections 110c; Air separation guiding device 117 etc.Then, make main part by mutual assembling or gluing.But each member of main part 110 is preferably integrally formed.
That is, at first make the mould of main part 110 shapes.Then, injecting synthetic resin raw material in the mould of making.Then, through behind certain solidification process, just can make and have the main part of structure as mentioned above.By revising the part of the mould of making aforementioned body portion 110, can be easy to form pocket for the punch head 200 and connecting hole 210 here.But pocket for the punch head 200 can form by the main part 110 that incision is under the completion status.More detailed says so, and pocket for the punch head 200 can form by a part of cutting medial guide 110b.In addition, above-mentioned connecting hole 210 can utilize punching press or perforation operation to form.That is, main part 110 except can utilize mould integrally formed, can also or make engineering according to convenient in the design, make with various method.
In addition, as mentioned above the main part 110 of Gou Chenging above, the more detailed above-mentioned air of saying so suck 15 and air separation guiding device 117 above be provided with back side cover 130.
The right side leading section of back side cover 130 is formed with: the extension 131 of Yan Changing to the right.Here, extension 131 respectively is being formed with two up and down.
Then, as shown in Figure 4, the leading section of extension 131 is formed with: Wan Qu bend 133 downwards.The lower end of bend 133 is formed with: the hook protuberance 300 of Tu Chuing to the right.Hook protuberance 300 is inserted in the pocket for the punch head 200 of main part 110.
And the left side edge perforation of back side cover 130 is formed with the through hole 310 corresponding to the connecting hole 210 of main part 110.
The forming process of back side cover 130 is preferably identical with the forming process of main part 110.That is, to have cover 130 shapes in the back side mould injecting synthetic resin raw material after the overcuring stage, then can finish back side cover 130 with said structure.Certainly, also can utilize the additive method except the mould method to form back side cover 130.For example, hook protuberance 300 can be not integrally formed with back side cover, but can form with other members.
Below, will illustrate that the mutual assembling according to main part 110 and back side cover 130 forms the process of electronic component containing chamber discharge duct 100.
At first, main part 110 is fixed on the level land, or makes fixing that main part 110 can not rock.At this moment, the pocket for the punch head 200 of main part 110 and connecting hole 210 certainly will be upward or the outside expose.Then, if the hook protuberance 300 of back side cover 130 is inserted in the pocket for the punch head 200 of main part 110, then link up with protuberance 300 will be hung on medial guide 110b below.Thus, the right side of back side cover 130 will no longer be rocked, and promptly be fixed.Then, the right side of back side cover 130 below will be close to medial guide 110b above.
Under the fixing state in the right side of aforesaid back side cover 130, the left side of above-mentioned back side cover 130 is moved downwards, when the lower left of back side cover 130 will be close to lateral guide 110a top, the connecting hole 210 of through hole 310 and main part 110 will be connected.Afterwards, if through hole 310 is connected with connecting hole 210 usefulness screw S, back side cover 130 is with firm being fixed in above the main part 110.Certainly, in a single day back side cover 130 is fixed in main part 130, the air suction inlet 115 of main part 110 and air separation guiding device 117, will with external isolation.
In addition, though do not illustrate, be provided with air discharge guide device at the rear of electronic component containing chamber 100.Here, the effect of air discharge guide device is: guiding makes air to the outside discharge of micro-wave oven by the air of upside magnetron and downside magnetron.
As mentioned above, the electronic component containing chamber discharge duct that constitutes by main part and back side cover of the present invention, its technical characterictic is as follows: a side of back side cover is to tangle and fix, and opposite side is then fixed by connecting elements.
, it is emphasized that under the situation that does not exceed the technology of the present invention scope that the operator of relevant industries can carry out various deformation and modification to it here.Therefore, the present invention serves as according to making an explanation with the claims that provide.
Claims (4)
1, a kind of exhaust pipe structure for electronic component containing chamber of micro-wave oven comprises following several sections and constitutes:
Suction is according to the air suction inlet of the air of blower fan air-supply; Inside is formed with the main part of guiding inhaled air to the air duct of magnetron side air-supply; Be fixed in the front of main part, thereby prevent by the air suction inlet inhaled air at the back side of the phenomenon of the inner adverse current of electronic component containing chamber cover; In addition, the exhaust pipe structure for electronic component containing chamber of micro-wave oven is characterized in that back side cover is fixed in main part according to cover connector system.
2, micro-wave oven exhaust pipe structure for electronic component containing chamber according to claim 1 is characterized in that cover connector system comprises following components and constitutes:
Be formed at a side end of back side cover, and make a side of back side cover be hung on the fixing hook protuberance of main part;
Be formed at a side of main part, insert the pocket for the punch head of hook protuberance;
Be formed at the end side of back side cover, and the opposite side that the back side is covered is fixed in the through hole of main part according to screw;
Be formed at the opposite side of main part, the connecting hole of connecting screw.
3, according to claim 1 or the described micro-wave oven exhaust pipe structure for electronic component containing chamber of claim 2, it is characterized in that linking up with protuberance and be preferably formed as to a plurality of.
4,, it is characterized in that the through hole of back side cover and the connecting hole of main part preferably all form a plurality of according to claim 1 or the described micro-wave oven exhaust pipe structure for electronic component containing chamber of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720329A CN100513884C (en) | 2004-09-21 | 2004-09-21 | Exhaust pipe structure for electronic component containing chamber of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720329A CN100513884C (en) | 2004-09-21 | 2004-09-21 | Exhaust pipe structure for electronic component containing chamber of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1752541A true CN1752541A (en) | 2006-03-29 |
| CN100513884C CN100513884C (en) | 2009-07-15 |
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ID=36679497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100720329A Expired - Fee Related CN100513884C (en) | 2004-09-21 | 2004-09-21 | Exhaust pipe structure for electronic component containing chamber of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100513884C (en) |
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2004
- 2004-09-21 CN CNB2004100720329A patent/CN100513884C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100513884C (en) | 2009-07-15 |
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Granted publication date: 20090715 Termination date: 20110921 |