CN205807538U - A kind of double end electromagnetic stove of symmetrical expression layout - Google Patents
A kind of double end electromagnetic stove of symmetrical expression layout Download PDFInfo
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- CN205807538U CN205807538U CN201620292858.4U CN201620292858U CN205807538U CN 205807538 U CN205807538 U CN 205807538U CN 201620292858 U CN201620292858 U CN 201620292858U CN 205807538 U CN205807538 U CN 205807538U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 75
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Abstract
This utility model provides the double end electromagnetic stove of the symmetrical expression layout of a kind of field of household appliances, including housing, panel and two heating spool rests it are provided with in housing, panel is provided with the two group drive circuits the most corresponding with described heating spool rest, the two group radiators the most corresponding with described drive circuit and two groups of radiator fans it are additionally provided with in housing, described two groups of drive circuits are integrated on same panel, and described panel is located at the centre of two heating spool rests, further, described two groups of drive circuits, radiator and fan are symmetrical respectively about the axis of vertical two drum lines of centres.Symmetrical expression topology scheme described in the utility model is used to make each components and parts reliable operation on panel, and line between each parts in decreasing housing, improve the reliability of connection, provide cost savings while reducing stand-by power consumption, also make overall structure compacter, attractive in appearance.
Description
Technical field
This utility model relates to the double end electromagnetic stove of the symmetrical expression layout in a kind of Electromagnetic Heating field, especially field of household appliances.
Background technology
The double end electromagnetic stove of existing field of household appliances, the scheme used is: the underface of each heating spool rest is correspondingly arranged a panel respectively, the power input of electromagnetic stove connects two panels after EMC filtration module processes respectively, and is equipped with a Switching Power Supply and voltage detection module on each panel.Use the problem that the program can cause three aspects: first, panel is installed on the underface of drum, and drum is stronger to the interference ratio of wiring board, makes distorted signals, affects system run all right；Secondly, between each panel and EMC filtration module, connecting line is more, and the mode the most all using grafting or screw to fix, directly affect reliability, user security especially after life-time service, can be affected；Finally, each panel individually arranges Switching Power Supply and voltage detection module so that i.e. start to consume electric energy after EMC filtration module powers on, cause stand-by power consumption high, it is impossible to meet the requirement of the market access.
Utility model content
The purpose of this utility model is at least partly to solve above-mentioned technical problem, it is provided that the double-head electromagnetic oven structure that between a kind of symmetrical expression layout, each module, line is few, system reliability is high, stand-by power consumption is low.
For reaching above-mentioned purpose, this utility model adopts the technical scheme that
A kind of double end electromagnetic stove of symmetrical expression layout, including housing, panel and two heating spool rests it are provided with in housing, panel is provided with the two group drive circuits the most corresponding with described heating spool rest, described two groups of drive circuits are integrated on same panel, and described panel is located at the centre of two heating spool rests.
Further, described two groups of drive circuits are symmetrical about the axis of vertical two drum lines of centres.
Further, described two groups of drive circuits are respectively to there being separate radiator, and described radiator is fixed on panel, and the axis about vertical two drum lines of centres is symmetrical.
Further, described two groups of radiators are positioned opposite at the edge of panel, and lay respectively between panel and corresponding heating spool rest.
Further, described arbitrary drive circuit includes the half-bridge resonance circuit being made up of power component, and in described half-bridge resonance circuit, the power component of upper and lower bridge connects has separate radiator, described power component surface directly to fit radiator.
Further, being provided with the radiator fan the most corresponding with described heating spool rest in described housing the most accordingly, said two radiator fan is symmetrical about the axis of vertical two drum lines of centres.
Further, the radiator on described arbitrary drive circuit and corresponding drum are positioned at the same side of two radiator fan lines of centres.
Further, the upper level of described radiator is less than or equal to the lower surface height of corresponding heating spool rest, and radiator is located at least partially within the lower section of heating spool rest.
Further, described panel is also arranged above magnetic shielding cover, and described magnetic shielding cover at least covers the light current element area on panel on the direction of horizontal plane.
Further, described radiator includes installation portion and fin part, described power component laminating installation portion, and described fin part is provided with the fin that at least two panels be arranged in parallel, fin height direction and plane-parallel or vertical.
The beneficial effects of the utility model are:
The double end electromagnetic stove of a kind of symmetrical expression layout of the present utility model, including housing, panel and two heating spool rests it are provided with in housing, panel is provided with the two group drive circuits the most corresponding with described heating spool rest, described two groups of drive circuits are integrated on same panel, and described panel is located at the centre of two heating spool rests.First, two groups of drive circuits are integrated on a panel, avoid and prior art uses two pieces of panels cause installation step many and the more problem of line, the technical program is used to not only reduce assembling quantity, also shortened the line between other electric elements simultaneously, the reliability of connection can be effectively improved, secondly, use and one group of Switching Power Supply shared and voltage detection module only need to be set on the panel of the technical program, while reducing cost, also avoid the problem that after powering on, stand-by power consumption is higher.In addition, also panel is arranged on the centre of two heating spool rests, avoid panel in prior art and be arranged on heating spool rest bottom, cause drum to the interference ratio of wiring board is stronger and distorted signals, and then affect system run all right, simultaneously, the distance between heating spool rest and circuit board is also made to keep nearest and essentially identical, further decrease the wire length between panel and drum, and make the layout structure of the technical program form symmetrical relation on the whole, make overall structure compacter, attractive in appearance.
As improvement, described two groups of drive circuits axis about vertical two drum lines of centres on panel is symmetrical.Further, described two groups of drive circuits are respectively to there being separate radiator, the radiator fan the most corresponding with described heating spool rest it is provided with the most accordingly in described housing, described radiator, radiator fan are symmetrical respectively about the axis of vertical two drum lines of centres, and radiator on described arbitrary drive circuit and corresponding drum are positioned at the same side of two radiator fan lines of centres.So, make the line between drive circuit and heating spool rest apart from identical, and, during the debugging of panel, only need to adjust the situation of any one group of drive circuit of checking, decrease workload and improve work efficiency.And make the drive circuit on heat abstractor, drum, panel and radiator be all formed as the layout structure of symmetry on the whole, reduce further radiator on panel, direct range between heating spool rest and fan three, make radiating airflow that fan formed to radiator, heating spool rest, between shortest path, ensure to realize between each kitchen range identical radiating effect, can also effectively reduce the wire length between fan, panel, drum, make the compact conformation between three.
As improvement, described two groups of radiators are positioned opposite at the edge of panel, and lay respectively between panel and corresponding heating spool rest.Radiator is utilized to be at least partially isolated panel and heating spool rest, it is also possible to the electromagnetic radiation produced when partially absorbing heating spool rest work, it is to avoid the electric elements on panel are by electromagnetic interference.
As improvement, described arbitrary drive circuit includes the half-bridge resonance circuit being made up of power component, and in described half-bridge resonance circuit, the power component of upper and lower bridge connects has separate radiator, described power component surface directly to fit radiator.The power component of bridge upper and lower in same one drive circuit is separately mounted on separate radiator, avoid the power component of upper and lower bridge and produce short-circuit problem because of current potential difference, still prevent and damage the power component of upper and lower bridge because producing short circuit simultaneously, be effectively improved the reliability of whole circuit.And, also directly is fitted with radiator in the surface of power component, installation process compared to existing technology, eliminate the installation steps of felt pad, accelerate the heat transfer rate between power component and radiator, improve radiating efficiency, and simplify mounting process, the work that final guaranteed output element can be reliable, stable.
As improvement, the upper level of described radiator is less than or equal to the lower surface height of corresponding heating spool rest, and radiator is located at least partially within the lower section of heating spool rest.On the one hand, panel and radiator is made to keep suitable distance with panel in the course of the work, it is to avoid panel generates heat on the impact of electric elements on panel, and the heat of panel passes to radiator, on the other hand also makes overall structure compacter.
As improvement, described panel is also arranged above magnetic shielding cover, and described magnetic shielding cover at least covers the light current element area on panel on the direction of horizontal plane.So, further reducing the electric elements on panel, especially weakness element is by the electromagnetic interference of heating spool rest, it is ensured that reliably working.
As improvement, described radiator includes installation portion and fin part, described power component laminating installation portion, and described fin part is provided with the fin that at least two panels be arranged in parallel, fin height direction and plane-parallel or vertical.So, the length direction making described fin is consistent with the radiating airflow direction flowing through fin clearance, to improve speed when radiating airflow flows through groove, it is ensured that radiating efficiency.
Accompanying drawing explanation
Fig. 1 is the double end electromagnetic stove entirety exploded view of this utility model embodiment one；
Fig. 2 is the plan structure schematic diagram after removing panel in embodiment one；
Fig. 3 is panel layout structure schematic diagram；
Fig. 4 is I-I direction sectional view in Fig. 2；
Fig. 5 is the close-up schematic view in B portion in Fig. 4；
Fig. 6 is wind-lead-cover structure schematic diagram；
Fig. 7 is the close-up schematic view in A portion in Fig. 1；
Fig. 8 is the bipitch structure schematic diagram of this utility model embodiment two.
Detailed description of the invention
In order to more clearly describe the technical solution of the utility model, the utility model is further explained below in conjunction with the accompanying drawings and explanation.
Embodiment one:
As shown in Figure 1, 2, a kind of double end electromagnetic stove of symmetrical expression layout, including shell body, described shell body includes panel 1 and drain pan 2, panel 3, heating spool rest 4, heating spool rest 4 ' it is provided with in described shell body, panel is arranged on the centre of two heating spool rests, and described panel 3 is provided with distinguishes the most corresponding drive circuit with described heating spool rest 4, heating spool rest 4 ', and the most described two groups of drive circuits are integrated on same panel 3.Additionally, be additionally provided with the metal separator 6 for shielding magnetic radiation between described drum and drain pan, described panel is also arranged above magnetic shielding cover, and described magnetic shielding cover is at least covering the light current element area on panel on the direction of horizontal plane.Two groups of drive circuits are integrated on a panel by the technical program, avoid and prior art uses two pieces of panels cause installation step many and the more problem of line, not only reduce assembling quantity, also shortened the line between other electric elements simultaneously, the reliability connected can be effectively improved between each parts.And, the panel of employing the technical program only need to arrange one group of Switching Power Supply and just can achieve effective control with voltage detection module, directly eliminate the cost of one group of Switching Power Supply and voltage detection module, it is thus also avoided that the problem that after powering on, stand-by power consumption is higher.In addition, also panel is arranged on the centre of two heating spool rests, avoid panel in prior art and be arranged on heating spool rest bottom, cause drum to the interference ratio of wiring board is stronger and distorted signals, and then affect system run all right, simultaneously, also make the distance between two heating spool rests and circuit board essentially identical, further decrease the wire length between panel and drum, for the heating spool rest that identical heating power requires, also can unify wire length and connecting terminal standard that heating spool rest is connected with panel.The layout structure using the technical program also makes two heating spool rests and panel form symmetrical relation on the whole, makes overall structure compacter, attractive in appearance.
Further, described two groups of drive circuits are symmetrical about the axis of vertical two drum lines of centres.So, make the line between drive circuit and heating spool rest apart from identical, and, during the debugging of panel, only need to adjust the situation of any one group of drive circuit of checking, decrease workload and improve work efficiency.As shown in Figure 3, described panel is provided with shared power module 3a, shares EMC module 3b, resonance circuit module 3e, resonance circuit module 3f and corresponding drive circuit module 3c, drive circuit module 3d, wherein drive circuit module 3c is corresponding with resonance circuit module 3e, and drive circuit module 3d is corresponding with resonance circuit module 3f.Preferably, in the present embodiment, share power module 3a, share EMC module 3b about the first half of panel, be respectively symmetrically layout, two groups of resonance circuit modules and corresponding drive circuit module are respectively symmetrically layout about the lower half of panel, concrete, panel lower half is from left to right respectively arranged resonance circuit module 3e, drive circuit module 3c, resonance circuit module 3f, drive circuit module 3d, resonance circuit module 3e, drive circuit module 3c and resonance circuit module 3f, drive circuit module 3d is symmetrical respectively about the axis of two drum lines of centres.
Described drive circuit can be single tube resonance circuit, can also be half-bridge resonance circuit, it is also possible to be full-bridge resonance circuit.In the present embodiment, it is preferred to use half-bridge resonance circuit, subsequent content is all described with half-bridge resonance circuit.Described half-bridge resonance circuit is made up of power component, and described power component can be IGBT, IGCT, it is preferred that described power component uses IGBT.
Further, described two groups of drive circuits are respectively to there being separate radiator, and described radiator is fixed on panel.For the ease of describing, half-bridge resonance circuit corresponding to Fig. 2 middle left and right heating spool rest is designated as the second, first half-bridge resonance circuit respectively, in described first half-bridge resonance circuit, the power component 31a of upper and lower bridge, power component 31b are fixedly mounted on radiator 32 simultaneously, in described second half-bridge resonance circuit, power component 31c, 31d of upper and lower bridge are fixedly mounted on radiator 34 simultaneously, and described radiator 32,34 is separate.Owing to the current potential of two power components is different in same half-bridge resonance circuit, for avoiding short circuit, between described power component and corresponding radiator, it is provided with insulation film.Said two radiator is distinguished the most corresponding with aforesaid resonance circuit module 3e, 3f respectively, and two radiators are symmetrical about the axis of vertical two drum lines of centres.
Further, described radiator fan is symmetrical about the axis of vertical two drum lines of centres.Concrete, radiator on described arbitrary drive circuit and corresponding drum are positioned at the same side of two radiator fan lines of centres.This just makes the drive circuit on heat abstractor, drum, panel and radiator be all formed as the layout structure of symmetry on the whole, moreover it is possible to effectively reduce the wire length between fan, panel, drum.For reducing further radiator on panel, direct range between heating spool rest and fan three, make radiating airflow that fan formed to radiator, heating spool rest, between shortest path, can make again the compact conformation between three, connecting fan center with the straight line at heating spool rest center and the included angle of straight line scope at place, finned length direction is 0 ~ 90 degree simultaneously.As shown in Figure 2, it is preferred that described angle is 0 degree, the straight line parallel of fan center's straight line with heating spool rest center and place, finned length direction is i.e. connected.
Concrete, shown in Fig. 2,4,5, described radiator is positioned opposite at the edge of panel 3, and lays respectively between panel 3 and corresponding heating spool rest.Described radiator 32 is arranged on the edge of panel and between panel 3 and heating spool rest 4, radiator 34 is arranged on the edge of panel and is positioned between panel 3 and heating spool rest 4 ', radiator is utilized to be at least partially isolated on panel 3 and heating spool rest 4,4 ', the electromagnetic radiation produced when can also partially absorb heating spool rest work, reduces it to the impact of other electronic devices on panel.Further, the upper level of described radiator is less than or equal to the lower surface height of corresponding heating spool rest, and radiator is located at least partially within the lower section of heating spool rest, on the one hand, panel and radiator is made to keep suitable distance with panel 1 in the course of the work, avoid panel 1 to generate heat on the impact of electric elements on panel, and the heat of panel 1 is passed to radiator, on the other hand also make overall structure compacter.
Further, as shown in Figure 3, it is additionally provided with rectifier bridge stack 33a, 33b on described panel 3, compare power component, rectifier bridge stack caloric value in the course of the work is the most less, and existing rectifier bridge stack is generally the most encapsulated by plastic packaging, for cost-effective and reduce installation procedure, described rectifier bridge stack 33a, 33b are separately positioned on same radiator 32,34 together with the power component on corresponding drive circuit.
In addition, shown in Fig. 1,2,4,5,6, heat abstractor 5, heat abstractor 5 ' it is additionally provided with in described housing, described heat abstractor 5 includes fan 51 and wind scooper 52, described heat abstractor 5 ' includes fan 51 ' and wind scooper 52 ', and described radiating airflow is produced by described heat abstractor 5 and 5 '.Owing to two construction for heat radiating device are identical, the most only choose heat abstractor 5 and be described.Described wind scooper includes base plate 521 and the wall 522 that keeps out the wind being connected with described base plate 521 side, it is formed with wind guide chamber between wind scooper 52 and drain pan 2, wind guide chamber is additionally provided with the air outlet towards drum 4 with panel 3, and the upper edge of described air outlet is not higher than the lower surface of drum, the drain pan 2 of wind guide chamber bottom is provided with air inlet, fan 51 is arranged in wind guide chamber, in wind scooper, negative pressure is formed after fan work, thus realize from air inlet air intake, from air outlet, described radiating airflow passes through on the downside of heating spool rest 4, realize the heat radiation to devices such as heating spool rest 4 and radiators.Further, described wind scooper 52 is the most overlapping with heating spool rest 4 projection in the horizontal plane so that wind scooper 52 is separate with the installation process of heating spool rest 4, strengthens the simplicity during the motility of mounting process, and maintenance etc., and integral layout is compact.
Further, such as Fig. 4, shown in 5, described radiator includes installation portion and fin part, described power component is fitted in described installation portion, described fin part is provided with the fin that at least two panels be arranged in parallel, groove is formed between adjacent two fins of described radiator, owing to the radiating effect of fin is directly proportional to the speed air flow on its surface, if fin is parallel to wind direction, fin surface can obtain the air velocity of maximum, therefore, the length direction of described fin is consistent with the radiating airflow direction flowing through fin clearance, speed during groove is flowed through with raising radiating airflow, ensure radiating efficiency.The fin height direction of described radiator can be parallel with horizontal plane, it is also possible to is vertical.Preferably, the fin height direction of radiator and plane-parallel (Fig. 5 further groove peristome is towards the right side), and the radiator slot opening portion on described drive circuit is towards corresponding heating spool rest, after making directly to connect between the space of fin notches and the heat-dissipating space of drum bottom, windage diminishes, reduce the loss of air quantity, in addition, also use the cooling air-flow partly escaped to drum direction from the peristome of groove drum is dispelled the heat, as a same reason, the wind that during drum heat radiation, part is escaped is easily accessible fin, it is also possible to dispel the heat fin.
At present, the installation of IGBT and radiator all uses and manually carries out, and as a rule includes four steps: S10, IGBT pin is fixed on radiator after pre-bending；S20, by the pin of IGBT through pin jack corresponding on panel；S30, is so fixed on radiator on panel；S40, welds IGBT pin.In this installation process, owing to the IGBT pin jack on panel is the least, in order to enable the IGBT pin in step S20 quick, insert jack easily, need to be arranged on IGBT the side of radiator, allow the installer to have enough view from side and operation is installed accordingly, further, in order to increase the cooling surface area of radiator, the heat enabling IGBT to produce passes to radiator rapidly, the inclined plane outside panel it is provided with on the installation portion of described radiator, IGBT is directly fixedly mounted in described inclined plane, ensure that installed surface can transmit rapidly heat to the fin direction of radiator, the installation site relation of IGBT and radiator is as shown in Figure 5.
Further, first, second, third air outlet it is respectively equipped with on described wind guide chamber, described first air outlet is towards described heating spool rest 4, second air outlet is towards radiator, 3rd air outlet is towards panel 3, described heat abstractor is distinguished simultaneously from first, second and third air outlet after forming radiating airflow in wind guide chamber, respectively the components and parts on heating spool rest 4, radiator and panel 3 are dispelled the heat, air-out direction direction as shown in filled arrows in Fig. 2 of described first, second, third air outlet.
Further, for improving the efficiency of heat radiation, shortening the heat dissipation path of radiating airflow, the air-out direction of described first, second air outlet is horizontal plane direction.Preferably, as shown in Figure 8, the first air outlet is located on described wind scooper 52, and described first air outlet is through hole 523.The top edge height of described first air outlet is less than or equal to the lower surface height of heating spool rest 4, wind energy from the first air outlet blowout is enough directly flow through from the space between heating spool rest 4 and drain pan, avoid the direct stop by drum framework or coiling, after the hot-air of heating spool rest 4 bottom is pulled away, heat on heating spool rest 4 is because thermal convection current or thermal-radiating effect continue going down, the heating making heating spool rest 4 can be taken away from below by lasting, the efficiency of heat radiation, it is ensured that drum can work reliably.In conjunction with Fig. 2, shown in 6, the wind scooper 52 at described second air outlet is provided with the first opening 524, and wind guide chamber is stretched into from described first opening 524 in radiator at least local.After wind scooper is installed, wind scooper, after top and the left and right sides wrap radiator, forms air channel around radiator, improves the radiating efficiency of radiator.Wind scooper 52 at described 3rd air outlet is provided with the second opening 525, and for taking into account panel and radiator, the radiating efficiency of heating spool rest, the altitude range h in described wind-guiding gap is 3 ~ 6mm.
In conjunction with Fig. 1, shown in 7, drain pan 2 is made up of metal material, and dividing plate 6 is made up of the plastics or other materials with preferable insulating properties, to ensure the electrical safety of the original paper such as panel, drum and metal bottom shell 2, and utilize metal bottom shell to strengthen structural strength, avoid the problems such as the deformation using plastic material making large area material to bring, shrink to cause drain pan insufficient strength, realize magnetic shield also by described large-area metal drain pan, reduce the magnetic radiation injury to user.Additionally, described backing plate 6 is provided with the screw column for fixing drum, described heating spool rest is fixed on backing plate 6, and described panel is also secured on described backing plate 6.Described dividing plate 6 is provided with the screw column 21 for fixing drum, and described screw column includes main body 21a of column and fixing reinforcement 21b, and described reinforcement connects main body 21a sidewall and base 2 so that drum can be stablized, be firmly fixed on screw column.The quantity of described reinforcement can be two, three, four, it is preferred that for ensureing screw column entirety uniform force, the quantity of described reinforcement is four, and is symmetric setting at the outer surface of screw column.
Embodiment two:
Such as Fig. 8, the present embodiment is with the difference of embodiment one, radiator 32 in described first half-bridge resonance circuit includes separate radiator 32a, 32b, radiator 34 in second half-bridge resonance circuit includes separate radiator 34a, 34b, power component 31a, power component 31b, power component 31c, power component 31d are respectively and fixedly installed on radiator 32a, 32b, 34a, 34b, and each power component surface is directly against being combined on corresponding radiator.By the isolation of the radiator of the power component of the upper and lower bridge in same one drive circuit is independently arranged, the power component of upper and lower bridge can not only be avoided because current potential is different and produce short circuit, and by directly being fitted with radiator in the surface of power component, accelerate the heat transmission speed between power component and radiator, improve radiating efficiency, the use of felt pad can also be saved, simplify mounting process and reduce cost, the work that final guaranteed output element is reliable, stable.
Further, rectifier bridge stack 33a, 33b on described panel 3 is arranged on same radiator together with any one IGBT on corresponding drive circuit, in the present embodiment, described rectifier bridge stack 33a and power component 31b is set along on radiator 32b, and rectifier bridge stack 33b and power component 31d is set along on radiator 34b.
In order to improve the smooth outflow of radiating airflow further, arrange along radiating airflow direction file with two radiators on one drive circuit, and fin and the groove on two radiators is the most positioned opposite.Additionally, with the mutual spacing between two radiators on one drive circuit more than 1mm, to ensure to keep between two radiators enough electric clearance, it is to avoid puncture short risk, and reduce the heat radiation between two fin, it is ensured that heat radiation windage is minimum.
In this utility model, term " first ", " second " are only used for the purpose described, and it is not intended that indicate or hint relative importance；Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.Term " is installed ", " being connected ", " connection ", the term such as " fixing " all should be interpreted broadly, and such as, " connection " can be fixing connection, it is also possible to is to removably connect, or is integrally connected；" being connected " can be to be joined directly together, it is also possible to be indirectly connected to by intermediary." horizontal plane direction ", " horizontal direction " are based on user's electromagnetic stove modes of emplacement during normal use.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In description of the present utility model, it will be appreciated that, term " on ", D score, the orientation of the instruction such as "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or unit must have specific direction, with specific azimuth configuration and operation, normal it is thus impossible to be interpreted as restriction of the present utility model.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. the double end electromagnetic stove of a symmetrical expression layout, including housing, panel and two heating spool rests it are provided with in housing, panel is provided with the two group drive circuits the most corresponding with described heating spool rest, it is characterized in that, described two groups of drive circuits are integrated on same panel, and described panel is located at the centre of two heating spool rests.
The double end electromagnetic stove of symmetrical expression layout the most according to claim 1, it is characterised in that described two groups of drive circuits are symmetrical about the axis of vertical two drum lines of centres.
The double end electromagnetic stove of symmetrical expression layout the most according to claim 1 and 2, it is characterized in that, described two groups of drive circuits are respectively to there being separate radiator, and described radiator is fixed on panel, and the axis about vertical two drum lines of centres is symmetrical.
The double end electromagnetic stove of symmetrical expression layout the most according to claim 3, it is characterised in that described two groups of radiators are positioned opposite at the edge of panel, and lay respectively between panel and corresponding heating spool rest.
The double end electromagnetic stove of symmetrical expression layout the most according to claim 3, it is characterized in that, described arbitrary drive circuit includes the half-bridge resonance circuit being made up of power component, in described half-bridge resonance circuit, the power component of upper and lower bridge connects has separate radiator, described power component surface directly to fit radiator.
6. according to the double end electromagnetic stove of the symmetrical expression layout described in claim 4 or 5, it is characterized in that, being provided with the radiator fan the most corresponding with described heating spool rest in described housing the most accordingly, said two radiator fan is symmetrical about the axis of vertical two drum lines of centres.
The double end electromagnetic stove of symmetrical expression layout the most according to claim 6, it is characterised in that radiator on described arbitrary drive circuit and corresponding drum are positioned at the same side of two radiator fan lines of centres.
The double end electromagnetic stove of symmetrical expression layout the most according to claim 6, it is characterised in that the upper level of described radiator is less than or equal to the lower surface height of corresponding heating spool rest, and radiator is located at least partially within the lower section of heating spool rest.
9., according to the double end electromagnetic stove of the symmetrical expression layout described in claim 7 or 8, it is characterised in that described panel is also arranged above magnetic shielding cover, described magnetic shielding cover is at least covering the light current element area on panel on the direction of horizontal plane.
The double end electromagnetic stove of symmetrical expression layout the most according to claim 5, it is characterized in that, described radiator includes installation portion and fin part, described power component laminating installation portion, described fin part is provided with the fin that at least two panels be arranged in parallel, fin height direction and plane-parallel or vertical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620292858.4U CN205807538U (en) | 2016-04-08 | 2016-04-08 | A kind of double end electromagnetic stove of symmetrical expression layout |
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| CN201620292858.4U CN205807538U (en) | 2016-04-08 | 2016-04-08 | A kind of double end electromagnetic stove of symmetrical expression layout |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724118A (en) * | 2018-11-30 | 2019-05-07 | 江苏德食天下智能科技有限公司 | The fixing means and bull electromagnetic stove of bull electromagnetic stove |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724118A (en) * | 2018-11-30 | 2019-05-07 | 江苏德食天下智能科技有限公司 | The fixing means and bull electromagnetic stove of bull electromagnetic stove |
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