CN202613537U - Radiating structure for induction cooker - Google Patents
Radiating structure for induction cooker Download PDFInfo
- Publication number
- CN202613537U CN202613537U CN 201220155376 CN201220155376U CN202613537U CN 202613537 U CN202613537 U CN 202613537U CN 201220155376 CN201220155376 CN 201220155376 CN 201220155376 U CN201220155376 U CN 201220155376U CN 202613537 U CN202613537 U CN 202613537U
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- CN
- China
- Prior art keywords
- radiator
- electromagnetic oven
- circuit board
- guiding wall
- induction cooker
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Induction Heating Cooking Devices (AREA)
Abstract
The utility model discloses a radiating structure for an induction cooker. According to the conventional induction cooker, air output from a radiator fan brings the heat of a radiator along the grooves of the radiator; and the grooves of the radiator hardly reflect air greatly, so that the air is exhausted when not fully utilized. The radiating structure for the induction cooker comprises an induction cooker shell and a circuit board arranged in the induction cooker shell; the radiator is arranged on one side of the circuit board; and a radial flow fan is arranged in the induction cooker shell which is positioned outside the radiator. The radiating structure for the induction cooker is characterized in that an arc-shaped air guide wall in a half-surrounding structure is arranged at the periphery of the radial flow fan; part of the radiator and part of the circuit board are positioned at the opening of the arc-shaped air guide wall; a plurality of horizontal grooves formed in the radiator are arranged in the Z-axial direction of a three-dimensional coordinate system; the openings at the outer ends of the horizontal grooves positioned at the opening face the radial flow fan; and the openings on one side of the horizontal grooves face the arc-shaped air guide wall. By using the radiating structure for the induction cooker, the radiating air is fully utilized; and moreover, the radiating noise is also reduced.
Description
Technical field
The utility model relates to electromagnetic oven, specifically a kind of electromagnetic oven heat radiation structure.
Background technology
Electromagnetic oven is when work; Because its power is big and the work characteristics of its electromagnetic oven self, make the internal power device when work, the self-heating amount is also big; This just need set up heat abstractor; Power device self-heating to its inside carries out efficiently radiates heat, can be long-term to guarantee electromagnetic oven, work continuously.
At present; The common heat dissipating method of electromagnetic oven is: with the power device held against heat sink; The radiator heat accumulation, and adopt aerofoil fan that radiator is forced blowing, in radiator, reach periphery and produce distinguished and admirable; Constantly take away radiator to the stored heat of power device, thereby ensure that power device works long hours in certain temperature range.
But there are following 3 deficiencies in the above-mentioned heat dissipating method:
1. the radiator fan that is adopted is an aerofoil fan, because due to the structure of aerofoil fan, there is the region between the heart and the diaphragm district in it, so air quantity also can be influenced; And the aerofoil fan noise can specific run off fan bigger than normal, it is poor that aerofoil fan discharge quantity of fan concentration degree also can the specific run off fan.
2. a plurality of vertical groove that forms on the radiator is to arrange by the three-dimensional system of coordinate X-direction; Like this; The wind of fan output is taken away the heat of radiator along the groove of radiator, and the groove of radiator does not almost produce big reflection to wind; So air quantity also is not fully used and just is discharged from.
3. when power device was installed on the radiator, the model silk-screen face of power device all was to be the form of droping to the ground for circuit board, almost was in parallel between power device model silk-screen face and the circuit board.Early stage power device is to be placed between radiator and the circuit board (to see accompanying drawing 4), sees CN201335439Y for details; And some scheme of later stage is that power device is risen on the radiator, and held against heat sink upper surface (seeing accompanying drawing 5), sees CN201087794Y for details.Be placed on the scheme between radiator and the circuit board for early stage power device, dismounting is extremely inconvenient, and power device is clipped between radiator and the circuit board, is unfavorable for wind flow; And the later stage rises to power device on the radiator, and the scheme of held against heat sink upper surface, though easy accessibility also is beneficial to heat dissipation ventilation.But all there is following defective in the mount scheme of above-mentioned power device: when producing in batches; Power device must be shaped to the mode of droping to the ground (seeing that " A " among Fig. 4-5 locates); Make the model silk-screen face and the plane, circuit board place of power device almost be in parastate; The pin of power device need be processed into bending state, has increased processing cost so virtually.
The utility model content
The utility model technical problem to be solved is to overcome the defective that above-mentioned prior art exists; A kind of radiator structure of electromagnetic oven is provided; It not only can effectively dispel the heat to radiator; And can also reduce the heat radiation noise and the heat radiation air quantity made full use of the production cost in the time of also will reducing in batches simultaneously.
For this reason; The utility model adopts following technical scheme: a kind of electromagnetic oven heat radiation structure, comprise electromagnetic oven housing and the circuit board that is installed in the electromagnetic oven housing, and a side of circuit board is equipped with radiator; The electromagnetic oven housing that is positioned at the radiator outside is provided with a radial fan; It is characterized in that radial fan is with the arc air-guiding wall of half investing mechanism outward, part radiator and partial circuit plate are positioned at the opening part of arc air-guiding wall; The a plurality of horizontal channels that form on the radiator are arranged by the three-dimensional system of coordinate Z-direction; The opening of horizontal channel outer end that is positioned at opening part is towards radial fan, and the opening of horizontal channel one side is towards the arc air-guiding wall, and the discharge quantity of fan that radial fan produces directly blows in a plurality of horizontal channels of radiator through the reflection of arc air-guiding wall.Because a plurality of horizontal channels are to arrange by the three-dimensional system of coordinate Z-direction; Can make the wind that blows in the radiator in the horizontal channel of radiator, produce reflection effectively, thereby blast is increased, the interior wind of groove flows in the acceleration radiator; Thereby fast and effeciently take away the heat in the radiator; The radial fan discharge quantity of fan is made full use of, take away at needs under the prerequisite of identical heat, can reduce the gross mass of radiator.Simultaneously, the utility model adopts radial fan, makes its running noises lower, and air quantity is more concentrated.Certainly, radiator fan also can adopt the fan of aerofoil fan or other pattern, relative radial fan, and radiating effect meeting variation and heat radiation noise can be big.
As the further of technique scheme improved and replenish, the utility model is taked following technical measures:
On the madial wall of said radiator power device is housed, the angle that forms between power device plane, place and the plane, circuit board place is between 100 to 160 degree.Easy accessibility not only, and it is general to be more conducive to dispel the heat, and when producing in batches, power device needn't be shaped to lying type, directly just can use, and the minimizing production and processing technology saves production cost, and enhances productivity.
Described power device is by forming near the IGBT power tube of arc air-guiding wall opening part with away from the rectifier bridge heap of arc air-guiding wall opening part; The heat that the IGBT power tube produces is more relatively; So will be near arc air-guiding wall opening part, the heat that the rectifier bridge heap produces is less relatively, so away from arc guide brattice opening part; So both made power device obtain heat radiation preferably, and also made power device obtain comparatively reasonably distributing simultaneously; The opening part of arc air-guiding wall is provided with one can make the arc wind waveguide plate of wind to the IGBT power tube, and the IGBT power tube is better dispelled the heat.
Be positioned at and have a plurality of air outlets that hot blast is derived of being used on the electromagnetic oven housing sidewall of circuit board opposite side.
Form many convex tendons on the inwall of said horizontal channel, increased the area of dissipation of horizontal channel.
The utility model not only to radiator and on power device carried out effective heat radiation, but also reduced the heat radiation noise, the heat radiation air quantity is made full use of; Power device easy accessibility, the pin of power device directly can weld with circuit board, reduce processing technology, and the production cost when practicing thrift has in batches improved production efficiency.
Below in conjunction with Figure of description and embodiment the utility model is further described.
Description of drawings
Fig. 1-3 is the structural representation of the utility model.
Fig. 4-5 is the sketch map of existing two kinds of electromagnetic oven heat radiation structures.
The specific embodiment
Electromagnetic oven heat radiation structure shown in Fig. 1-3, a side that is positioned at the circuit board 4 of electromagnetic oven housing is equipped with radiator 2, is positioned to have a plurality of air outlets 7 that hot blast is derived of being used on the electromagnetic oven housing sidewall of circuit board opposite side.The electromagnetic oven housing that is positioned at the radiator outside is provided with radial fan 1; The radial fan 1 outer arc air-guiding wall 5 that is with the semi-surrounding structure; Part radiator and partial circuit plate are positioned at the opening part of arc air-guiding wall 5; A plurality of horizontal channels of radiator 2 are pressed the three-dimensional system of coordinate Z-direction and are arranged, and form many convex tendons on the inwall of horizontal channel, and the opening of horizontal channel outer end that is positioned at opening part is towards radial fan; The opening of horizontal channel one side is towards the arc air-guiding wall, and the discharge quantity of fan that radial fan 1 produces directly blows in a plurality of horizontal channels of radiator 2 through the reflection of arc air-guiding wall.
The above only is the preferred embodiment of the utility model, is not the structure of the utility model is done any pro forma restriction.Every technical spirit according to the utility model all falls in the protection domain of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. electromagnetic oven heat radiation structure; Comprise electromagnetic oven housing and the circuit board (4) that is installed in the electromagnetic oven housing; One side of circuit board (4) is equipped with radiator (2), and the electromagnetic oven housing that is positioned at the radiator outside is provided with a radial fan (1), it is characterized in that; The outer arc air-guiding wall (5) that is with half investing mechanism of radial fan (1); Part radiator and partial circuit plate are positioned at the opening part of arc air-guiding wall, and a plurality of horizontal channels that radiator (2) go up to form press the arrangement of three-dimensional system of coordinate Z-direction, and the opening of horizontal channel outer end that is positioned at opening part is towards radial fan (1); The opening of horizontal channel one side is towards arc air-guiding wall (5), and the discharge quantity of fan that radial fan produces directly blows in a plurality of horizontal channels of radiator through the reflection of arc air-guiding wall.
2. electromagnetic oven heat radiation structure according to claim 1; It is characterized in that; Power device (3) is housed on the madial wall of said radiator (2), and the angle that forms between power device (3) plane, place and the plane, circuit board (4) place is between 100 to 160 degree.
3. electromagnetic oven heat radiation structure according to claim 2; It is characterized in that; Described power device (3) is by forming near the IGBT power tube of arc air-guiding wall opening part with away from the rectifier bridge heap of arc air-guiding wall opening part, and the opening part of arc air-guiding wall (5) is provided with one can make the arc wind waveguide plate (6) of wind to the IGBT power tube.
4. according to claim 1,2 or 3 described electromagnetic oven heat radiation structures, it is characterized in that, be positioned at and have a plurality of air outlets (7) that hot blast is derived of being used on the electromagnetic oven housing sidewall of circuit board opposite side.
5. according to claim 1,2 or 3 described electromagnetic oven heat radiation structures, it is characterized in that, form many convex tendons on the inwall of said horizontal channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220155376 CN202613537U (en) | 2012-04-12 | 2012-04-12 | Radiating structure for induction cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220155376 CN202613537U (en) | 2012-04-12 | 2012-04-12 | Radiating structure for induction cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202613537U true CN202613537U (en) | 2012-12-19 |
Family
ID=47347228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220155376 Expired - Lifetime CN202613537U (en) | 2012-04-12 | 2012-04-12 | Radiating structure for induction cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202613537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848271A (en) * | 2014-02-17 | 2015-08-19 | 美的集团股份有限公司 | Electromagnetic oven |
-
2012
- 2012-04-12 CN CN 201220155376 patent/CN202613537U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848271A (en) * | 2014-02-17 | 2015-08-19 | 美的集团股份有限公司 | Electromagnetic oven |
| CN104848271B (en) * | 2014-02-17 | 2017-04-19 | 美的集团股份有限公司 | Electromagnetic oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |