CN100439801C - Electromagnetic oven - Google Patents
Electromagnetic oven Download PDFInfo
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- CN100439801C CN100439801C CNB2006100358888A CN200610035888A CN100439801C CN 100439801 C CN100439801 C CN 100439801C CN B2006100358888 A CNB2006100358888 A CN B2006100358888A CN 200610035888 A CN200610035888 A CN 200610035888A CN 100439801 C CN100439801 C CN 100439801C
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Abstract
The invention relates to an electromagnetic furnace, which comprises: furnace chamber with coil disc, circuit board with hear radiator, and fan, wherein said furnace chamber has wind outlet; and the invention is characterized in that: the furnace chamber is divided into main furnace chamber and fan room; the fan room is divided into upper and lower small rooms, with horizontal baffle plate between them; the horizontal baffle plate has round hole at the middle, whose center is on the central axle of blade of fan; the size of round hole is matched with fan; the fan is downwards mounted; there is a separate baffle plate between the upper small room and the main furnace chamber; the lower small room is through to the main furnace chamber; the upper small room has the wind inlet through to the outer space of furnace. The wind inlet will not absorb dust or metal chip, to blow the airflow to the surface of coil disc, with better heat radiation.
Description
Technical field
The invention belongs to a kind of electromagnetic oven.
Background technology
Electromagnetic oven in the course of the work, need be by fan constantly to the heat radiation of drying of circuit board and drum, wherein circuit board is arranged on the furnace chamber bottom, and drum is arranged on furnace chamber top, traditional electromagnetic oven generally is arranged on the furnace chamber bottom surface with the air inlet of furnace chamber, correspondingly, the installation direction of its fan is then for facing up, there is the shortcoming of several respects in the electromagnetic oven of this traditional structure: one, fan is towards the top, and air inlet is arranged on body of heater bottom even drain pan, therefore suck furnace chamber inside with the dust on the desktop or as foreign material such as cigarette pack tinfoil paper bits easily, make component damage or short circuit in the furnace chamber easily, cause potential safety hazard; The disposable plastic film that also will fill up on dining table easily picks up in addition, stops up air inlet; Two, since fan towards the top, lack again the structural measure of wind-force guiding to the furnace chamber bottom, cause the wind-force of furnace chamber bottom little, the air mass flow pro rate of furnace chamber upper and lower is unreasonable, the ratio that is the air-flow of the air-flow of cooling circuit board and cooling drum can't reasonable distribution, and there is the problem of " strong up and weak down " in radiating effect; And the circuit board that is positioned at the furnace chamber bottom is to avoid thermal element, and its radiating effect deficiency will shorten circuit board service life; Three, the glide path of air is organized unreasonable, not careful, the wind-force waste, whole cooling effect is poor: 1, because the horizontal level of drum and circuit board is not exclusively overlapping even not overlapping fully, and drum is close on furnace chamber top, therefore from the air flowing of drum position, just do not bring into play thermolysis near the flow of furnace chamber bottom; Equally, because circuit board is arranged on the furnace chamber bottom, therefore from the circuit board position air flowing, the flow on close furnace chamber top is not brought into play thermolysis equally; 2, drum is mainly by its upper surface heat radiation, but the drum area is bigger, form a long and narrow crack between drum upper surface and the electromagnetic oven panel, locus outside around the drum then seems much broad with respect to this crack, therefore wind-force is difficult for entering this crack, the broader peripheral position that most of wind-force can be partial to outside the drum is walked around, and causes the wind-force waste.
In order to overcome above-mentioned shortcoming, people attempt to propose improvement project, for example Chinese patent CN200420064667.X has proposed a kind of electromagnetic oven structure, it is provided with the hollow space of a protuberance on electromagnetic oven body, and fan is arranged between circuit board and the drum, but said structure exists two problems, first, bump had both influenced attractive in appearance, influenced ease of use again; The second, the air-flow drum of flowing through earlier, the circuit board of flowing through again, the air-flow of the circuit board of flowing through is like this heated by drum, and is therefore still poor to the radiating effect of circuit board.
Summary of the invention
Main purpose of the present invention is to be to overcome above-mentioned shortcoming and a kind of electromagnetic oven is provided, and its air inlet is not easy to suck dust or metal fillings, and the good heat dissipation effect of circuit board.
Be subordinated to above-mentioned main purpose, secondary objective of the present invention also be to make above-mentioned electromagnetic oven effectively tissue part's air mass flow blow to the drum upper surface, air glide path tissue is reasonable, overall good heat dissipation effect and equilibrium.
For realizing above-mentioned main purpose, electromagnetic oven of the present invention comprises furnace chamber, circuit board, the fan of drum, band radiator are installed in the furnace chamber, and furnace chamber is provided with air outlet, is primarily characterized in that, furnace chamber is divided into main furnace chamber and fan room, fan room is divided into cell and following cell, is provided with horizontal baffle between last cell and the following cell, offers circular hole in the middle of the horizontal baffle, on the central axis that is centered close to electric fan of circular hole, circular hole size and fan coupling; The fan installation direction is towards the below; Be provided with the isolation baffle plate between last cell and the main furnace chamber, following cell is communicated with main furnace chamber; Last cell is provided with the air inlet with the body of heater external communications.
Be preferably, the air inlet of last cell is arranged on sidewall of the furnace body.
For realizing above-mentioned secondary objective, above-mentioned main furnace chamber is divided into main chamber, following main chamber and wind guide chamber, goes up main chamber and is positioned at the top in main chamber down, goes up main chamber and is provided with the horizontal subdivision plate between the main chamber down, drum is positioned at the bottom in main chamber, and the circuit board of band radiator is installed in down in the main chamber; Following cell and wind guide chamber directly are communicated with, and wind guide chamber and last main chamber directly are communicated with; Main chamber is communicated with following cell down; Isolation baffle plate between described last cell and the main furnace chamber comprises the isolation baffle plate between the isolation baffle plate between cell and the last main chamber, last cell and the wind guide chamber; The air outlet of described furnace chamber comprises main chamber air outlet and following main chamber air outlet.
Be more preferably, go up main chamber air outlet and be arranged on sidewall of the furnace body with following main chamber air outlet.
Main chamber preferably directly is communicated with following cell down, and following main chamber preferably and between the wind guide chamber is provided with the isolation baffle plate.
The horizontal subdivision plate of going up between main chamber and the following main chamber preferably has big hole, and drum hides on this big hole.Like this, the drum upper surface is located at the basal surface position in main chamber and becomes a part that goes up bottom surface, main chamber, simultaneously the drum lower surface near in addition can partly expose at main top of chamber down.
Main chamber air outlet is provided with a side of close circuit board on the sidewall of the furnace body down.
The present invention has the following advantages and effect:
1, the installation direction of fan of the present invention is towards the below, therefore the air inlet of fan is positioned at upper of furnace body, distant from desktop, both be not easy dust or cigarette pack tinfoil paper bits are sucked furnace chamber, solved again that traditional electromagnetism heat size easily picks up disposable plastic film and the problem of stopping up air inlet.
2, the present invention can both strengthen the heat radiation of circuit board with the air mass flow reasonable distribution, can spread all over the drum upper surface by mandatory guidance part wind-force again, and totally good heat dissipation effect, and drum and circuit board get the radiating effect balance:
The installation direction of a, fan can produce cold wind at following cell continuously towards the below, and the following cell of fan room directly is communicated with main chamber down, makes down the direct wind-engaging in main chamber, and therefore the wind-force abundance is positioned at the circuit board good heat dissipation effect in main chamber down;
B, the present invention are provided with wind guide chamber, wind guide chamber directly is communicated with the following cell of fan room, wind guide chamber directly is communicated with last main chamber and can be with main chamber is isolated down, so just mandatory guidance part wind-force enters main chamber effectively, to being positioned at the heat radiation of drying of drum upper surface bottom the main chamber; In addition, drum hides on big hole, the lower surface of drum near in addition can partly expose in following main chamber, so drum in by the upper surface heat radiation, lower surface can also auxiliary heat dissipation, further improves the drum radiating effect.
3, compare with traditional electromagnetic oven, it is rationally careful that electromagnetic oven inner chamber air glide path of the present invention is organized, wind-force less wastage: a, since furnace chamber set up the horizontal subdivision plate, the position of horizontal subdivision plate is concordant substantially with drum, make the thickness of whole main cavity region basic identical, be drum around the periphery never again than drum top slit seem broad, the peripheral position that wind-force can more be partial to outside the drum is walked around, wind-force can blow to the drum upper surface more; B, because in furnace chamber, air glide path (floor projection that refers to inlet air flow path) mainly is to be subjected to the position of air outlet and air intake location guide, main chamber and the independent respectively setting of air outlet in main chamber down in the present invention, make main chamber air glide path and down main chamber air glide path can be more targeted, more having any different property guided respectively, reach the effect of " air-flow of going up main chamber mainly flows through from the position of drum, the air-flow in time main chamber mainly flow through " from circuit board position.Therefore air glide path of the present invention is organized rationally carefully, can improve the cold wind utilization rate.
4, body of heater air inlet of the present invention is distant from desktop, and integral thickness can design thinlyyer, and the furnace chamber of thin thickness helps improving wind speed, improves radiating effect.
Description of drawings
Fig. 1 is the decomposition texture schematic diagram of a kind of specific embodiment of the present invention.
Fig. 2 is the plan view shape schematic diagram of whole electromagnetic oven.
Fig. 3 is the plan structure schematic diagram of mesochite and drum.
Fig. 4 is the plan structure schematic diagram of lower casing and circuit board, fan
Fig. 5 is an A-A section structure for amplifying schematic diagram among Fig. 2.
Fig. 6 is a B-B section structure for amplifying schematic diagram among Fig. 2.
Fig. 7 is a C-C section structure for amplifying schematic diagram among Fig. 2.
Fig. 8 is a left side wall shape and structure schematic diagram embodiment illustrated in fig. 2.
Fig. 9 is a right side wall shape and structure schematic diagram embodiment illustrated in fig. 2.
Figure 10 is a front side wall shape and structure schematic diagram embodiment illustrated in fig. 2.
Figure 11 is a body of heater bottom air glide path schematic diagram.
Figure 12 goes up the moving route schematic diagram of main chamber hollow air-flow.
Figure 13 is that drum and mesochite assembly unit concern schematic diagram among Fig. 3.
The specific embodiment
The housing of Fig. 1, Fig. 2, Fig. 3, electromagnetic oven shown in Figure 4 is combined to form by upper casing, mesochite, lower casing, wherein upper casing is formed by crystallite plate 11 and epipleural 12, glass plate 13 assemblings, lower casing is integrally formed by base plate 31 and lower side panel 32, mesochite also is provided with latus inframedium 22, epipleural 12, latus inframedium 22, lower side panel 32 threes assemble the sidewall that the back amalgamation becomes whole electromagnetic oven, and upper casing, mesochite, lower casing surround the formation furnace chamber.
Fig. 4, Fig. 5, Fig. 6, shown in Figure 13, furnace chamber is divided into fan room and main chamber, main chamber is further divided into main chamber 51, following main chamber 52 and wind guide chamber 53, go up main chamber 51 and be positioned at the top in main chamber 52 down, glass plate 13 hides at wind guide chamber 53 end faces, go up main chamber 51 and be provided with horizontal subdivision plate 54 between the main chamber 52 down, these horizontal subdivision plate 54 central authorities have big hole 541, drum 6 hides on big hole 541, the lower surface 6 of drum is near the top of also partly exposing in following main chamber 52, the upper surface of drum 6 becomes a part that goes up 51 bottom surfaces, main chamber, and the circuit board 7 of band radiator is installed in down in the main chamber 52; Fan room is divided into cell 41 and following cell 42, also be provided with horizontal baffle 43 between last cell 41 and the following cell 42, this horizontal baffle 43 has horizontal circular hole 431, the diameter of horizontal circular hole 431 is suitable with the electric fan diameter, being centered close on fan 8 central axis of circular hole 431, the fan installation direction faces down cell 42 and leans against cell 41 down.Above-mentioned horizontal baffle 43, horizontal subdivision plate 54 and latus inframedium 22 are integrally formed, constitute the main body of mesochite; Fig. 7, Fig. 9, shown in Figure 10, last cell is provided with air inlet 44 at sidewall of the furnace body; Fig. 7, shown in Figure 4, the following cell 42 of fan room and wind guide chamber 53 directly are communicated with; Shown in Figure 5, wind guide chamber 53 and last main chamber 51 directly are communicated with; Shown in Figure 6, following main chamber 52 directly is communicated with the following cell 42 of fan room; Figure 13, shown in Figure 6 is provided with between last cell 41 and the last main chamber 51 and isolates baffle plate 91, and Figure 13, shown in Figure 7 also is provided with between cell 41 and the wind guide chamber 53 in the fan room and isolates baffle plate 92; Shown in Figure 13, above-mentioned two isolate baffle plate 91,92 one is connected on the mesochite; Fig. 5, shown in Figure 1 is provided with between wind guide chamber 53 and the following main chamber 52 and isolates baffle plate 93, and it is integrally formed with lower casing that this isolates baffle plate 93.
Fig. 5, Fig. 6, Fig. 7, Figure 11, shown in Figure 12, when electromagnetic oven of the present invention is worked, installation direction fan 8 down rotates, air is from the additional continuously cell 41 that enters of the air inlet 44 of last cell 41, cold air is brought down into cell 42 from last cell 41 by fan 8, cold air is assigned as two strands after cell 42 comes out down, as shown in figure 11; Wherein one directly is blown into down main chamber 52 (shown in arrow f among Figure 11, Fig. 6 and thick arrow); Another strand directly is blown into wind guide chamber 53 and then is blown into main chamber 51 (shown in arrow f among Fig. 7, Fig. 5, Figure 12 and thick arrow).
Figure 12, shown in Figure 8 main chamber 51 and offers air outlet 45 at the body of heater rear wall, and the position of this air outlet 45 is shown in the scope between the MN among the figure; Upward main chamber air glide path roughly shown in the scope between the GH among Figure 12, under air intake position GH and air outlet position MN guiding, is gone up shown in thick arrow among Figure 12 in the air intake position in main chamber 51, covers the scope of whole drum 6 upper surfaces; Figure 11, shown in Figure 8, main chamber also offers air outlet 46 at the body of heater rear wall down, the position of this air outlet 46 is shown in the scope between the EF among Figure 11, promptly be arranged on a side of close circuit board 7 on the sidewall of the furnace body, the air intake position range in main chamber 52 is roughly shown in the scope between the KP among Figure 11 down, under air intake position KP and air outlet EF location guide, down main chamber air glide path is shown in four thick long arrows among Figure 11, most of air is flowed through and is with the circuit board 7 of radiator, and the right regions of FK arrow (being that circuit board is with exterior domain) does not have air-flow substantially among the figure; From Figure 12, Figure 11 more as can be seen, following inlet air flow path difference (and the inlet air flow path of traditional electromagnetic oven furnace chamber top and the bottom can not on purpose not guide at all yet) to some extent in main chamber 52 and the last main chamber 51, therefore electromagnetic oven air glide path of the present invention organize rationally careful, the wind-force less wastage.
Claims (9)
1, a kind of electromagnetic oven comprises furnace chamber, and circuit board, the fan of drum, band radiator is installed in the furnace chamber, and furnace chamber is provided with air outlet, it is characterized in that: furnace chamber is divided into main furnace chamber and fan room, and fan is installed in fan room, and installation direction is towards the below; Fan room is divided into cell and following cell, is provided with horizontal circular hole between last cell and the following cell, and horizontal circle hole size and fan coupling are on the central axis that is centered close to electric fan of horizontal circular hole; Be provided with the isolation baffle plate between last cell and the main furnace chamber, following cell is communicated with main furnace chamber; Last cell is provided with the air inlet with the body of heater external communications.
2, according to the electromagnetic oven of claim 1, it is characterized in that: go up between cell and the following cell and be provided with the first horizontal subdivision plate, described horizontal circular hole is opened on the first horizontal subdivision plate.
3, according to the electromagnetic oven of claim 1, it is characterized in that: the air inlet of going up cell is arranged on sidewall of the furnace body.
4, according to claim 1,2 or 3 electromagnetic oven, it is characterized in that: above-mentioned main furnace chamber is divided into main chamber, following main chamber and wind guide chamber, go up main chamber and be positioned at the top in main chamber down, go up main chamber and be provided with the second horizontal subdivision plate between the main chamber down, drum is positioned at the bottom in main chamber, and the circuit board of band radiator is installed in down in the main chamber; Following cell and wind guide chamber directly are communicated with, and wind guide chamber and last main chamber directly are communicated with; Main chamber is communicated with following cell down; The described isolation baffle plate of going up between cell and the main furnace chamber comprises that first between cell and the last main chamber isolates baffle plate, goes up the second isolation baffle plate between cell and the wind guide chamber; The air outlet of described furnace chamber comprises main chamber air outlet and following main chamber air outlet.
5, according to the electromagnetic oven of claim 4, it is characterized in that: go up main chamber air outlet and be arranged on sidewall of the furnace body with following main chamber air outlet.
6, according to the electromagnetic oven of claim 4, it is characterized in that: following main chamber directly is communicated with following cell, is provided with the 3rd between following main chamber and the wind guide chamber and isolates baffle plate.
7, according to the electromagnetic oven of claim 4, it is characterized in that: the second horizontal subdivision plate central authorities of going up between main chamber and the following main chamber have big hole, and drum hides on this big hole.
8, according to the electromagnetic oven of claim 4, it is characterized in that: following main chamber air outlet is arranged at a side of close circuit board on the sidewall of the furnace body.
9, according to the electromagnetic oven of claim 5, it is characterized in that: following main chamber air outlet is arranged at a side of close circuit board on the sidewall of the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100358888A CN100439801C (en) | 2006-06-05 | 2006-06-05 | Electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100358888A CN100439801C (en) | 2006-06-05 | 2006-06-05 | Electromagnetic oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1920398A CN1920398A (en) | 2007-02-28 |
| CN100439801C true CN100439801C (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100358888A Expired - Fee Related CN100439801C (en) | 2006-06-05 | 2006-06-05 | Electromagnetic oven |
Country Status (1)
| Country | Link |
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| CN (1) | CN100439801C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055772A (en) * | 2017-12-11 | 2018-05-18 | 深圳国创名厨商用设备制造有限公司南海分公司 | A kind of board structure of circuit and use its electromagnetic oven |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06215859A (en) * | 1993-01-20 | 1994-08-05 | Matsushita Electric Ind Co Ltd | Induction heating cooker |
| JP2666489B2 (en) * | 1989-09-28 | 1997-10-22 | 松下電器産業株式会社 | Built-in heating cooker |
| JP2004039356A (en) * | 2002-07-02 | 2004-02-05 | Tiger Vacuum Bottle Co Ltd | Electromagnetic induction heating cooking stove |
| JP2004039263A (en) * | 2002-06-28 | 2004-02-05 | Mitsubishi Electric Corp | Electromagnetic cooker |
| CN2720756Y (en) * | 2004-06-03 | 2005-08-24 | 林志鹏 | Electromagnetic oven |
| CN2731311Y (en) * | 2004-10-26 | 2005-10-05 | 潘毅强 | Induction cooker |
| CN2926862Y (en) * | 2006-07-12 | 2007-07-25 | 汕头市夏野电器有限公司 | Electromagnetic oven |
-
2006
- 2006-06-05 CN CNB2006100358888A patent/CN100439801C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2666489B2 (en) * | 1989-09-28 | 1997-10-22 | 松下電器産業株式会社 | Built-in heating cooker |
| JPH06215859A (en) * | 1993-01-20 | 1994-08-05 | Matsushita Electric Ind Co Ltd | Induction heating cooker |
| JP2004039263A (en) * | 2002-06-28 | 2004-02-05 | Mitsubishi Electric Corp | Electromagnetic cooker |
| JP2004039356A (en) * | 2002-07-02 | 2004-02-05 | Tiger Vacuum Bottle Co Ltd | Electromagnetic induction heating cooking stove |
| CN2720756Y (en) * | 2004-06-03 | 2005-08-24 | 林志鹏 | Electromagnetic oven |
| CN2731311Y (en) * | 2004-10-26 | 2005-10-05 | 潘毅强 | Induction cooker |
| CN2926862Y (en) * | 2006-07-12 | 2007-07-25 | 汕头市夏野电器有限公司 | Electromagnetic oven |
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| Publication number | Publication date |
|---|---|
| CN1920398A (en) | 2007-02-28 |
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Granted publication date: 20081203 Termination date: 20200605 |