CN207279717U - Electromagnetic oven - Google Patents

Abstract

The utility model provides an induction cooker, including drain pan (1) and panel (2), be equipped with fan (4) in drain pan (1), circuit board (5) and radiator (6), be equipped with heating element (50) on circuit board (5), the bottom surface contact of heating element (50) and radiator (6), radiator (6) are used for dispelling the heat for heating element (50), be equipped with two at least baffles (63) on the bottom surface of radiator (6), baffle (63), the bottom surface and circuit board (5) of radiator (6) enclose into radiating air duct (60) jointly. Thereby form special heat dissipation wind channel to the radiator, assemble the cooling air through this heat dissipation wind channel, increased the amount of wind that blows through the radiator, improved the radiating effect of radiator.

Description

Electromagnetic oven

Technical field

It the utility model is related to household electrical appliance technical field, more particularly to a kind of electromagnetic oven.

Background technology

Electromagnetic oven has the advantages that heating quick, the flames of anger, safe ready, more and more favored by consumers and recognize Can.

Electromagnetic oven mainly includes：Bottom case and the panel at the top of bottom case, bottom case is interior to be equipped with coil panel, circuit board, wind turbine And radiator, wherein, circuit board is equipped with heater element, and heater element is contacted with the bottom surface of radiator, and radiator is used for for hair Thermal element radiates, and radiator blows radiator to radiate by wind turbine, i.e. the heat transfer that heater element is sent is extremely Radiator, wind turbine blow away the heat on radiator, it is achieved thereby that the heat dissipation to heater element.

However, since the radiator of the electromagnetic oven of the prior art does not have dedicated heat dissipation wind channel, it is blown to cold on radiator But wind is more dispersed, i.e. air quantity is smaller, causes the heat dissipation effect of radiator poor, and then cause heater element temperature rise excessive and The situation of electronic component damage in electromagnetic oven is triggered to occur.

Utility model content

At least one in order to solve the problems, such as to mention in background technology, the utility model provides a kind of electromagnetic oven, Neng Gouti The radiating efficiency of high radiator.

To achieve these goals, the utility model provides a kind of electromagnetic oven, including bottom case and at the top of the bottom case Panel, is equipped with wind turbine, circuit board and radiator in the bottom case, the circuit board is equipped with heater element, it is described generate heat it is first Part is contacted with the bottom surface of the radiator, and the radiator is used to radiate for the heater element, on the bottom surface of the radiator Equipped with least two baffles, the baffle, the bottom surface of the radiator and the circuit board surround heat dissipation wind channel jointly.

The electromagnetic oven of the utility model, by setting at least two baffles on the bottom surface of radiator, at least two baffles, The bottom surface of radiator and circuit board surround heat dissipation wind channel jointly, so as to form Special heat dissipating air passage to radiator, are dissipated by this Hot-flow flue converges the cooling wind for blowing to radiator, so as to add the air quantity for blowing over radiator, makes the fast prompt drop of radiator Temperature, improves the heat dissipation effect of radiator, heater element is maintained at a normal temperature and works.

Optionally, the air-out direction of wind turbine described in the air inlet face of the heat dissipation wind channel is set.

By by the air-out direction face of the air inlet of heat dissipation wind channel and wind turbine so that the cooling wind energy of wind turbine blowout is enough straight Connect and enter in heat dissipation wind channel, so that the heat dissipation of radiator and heater element is faster, further increase heat dissipation effect.

Optionally, the radiator includes heat-radiating substrate and the radiating fin being arranged on the heat-radiating substrate top surface, institute The bottom surface that heater element is stated with the heat-radiating substrate contacts, and the baffle is located at the bottom surface of the heat-radiating substrate.

The heat transfer that so heater element is sent improves heat dissipation base to the heat-radiating substrate being in contact with it by radiating fin The radiating rate of plate, the part wind of wind turbine blowout are entered in heat dissipation wind channel, cool down wind by the heat of heat-radiating substrate and heater element Amount is taken away, meanwhile, the cooling wind blown over above radiating fin takes away the heat on radiating fin, so as to further increase Radiating efficiency.

Optionally, the setting direction of the radiating fin is consistent with the air-out direction of the wind turbine.

So blowing to the cooling wind of radiator can flow along radiating fin, and the heat of radiating fin is taken away, makes heat dissipation The cooling of fin is faster.

Optionally, the baffle is an integral structure with the radiator.

So when making radiator, baffle is integrally formed on the bottom surface of radiator so that the installation of radiator is more It is convenient, and improve the overall construction intensity of baffle and radiator.

Optionally, the baffle is two, and two baffles set up separately in the both sides of the bottom surface of the radiator.

The area of heat dissipation wind channel, in the bottom surface both sides of radiator, is increased by setting up separately two baffles, allowing to enter Air quantity bigger in heat dissipation wind channel, heat dissipation effect are more preferable.

Optionally, the baffle is multiple that multiple baffle intervals are arranged on the bottom surface of radiator, and each gear The setting direction of plate is consistent with the air-out direction of the wind turbine, to form multiple heat dissipation wind channels.

Optionally, the heater element is multiple that different heater elements are located in different heat dissipation wind channels.

So by setting multiple heat dissipation wind channels, different heater elements is correspondingly arranged in different heat dissipation wind channels, So that the heat dissipation between different heater elements is independent of each other, make the cooling rate of each heater element faster.

Optionally, the heater element includes：Insulated gate bipolar transistor IGBT and rectifier bridge stack.

Optionally, the radiator is equipped with the first mounting portion, and the heater element is equipped with can be with the described first installation Second mounting portion of portion's matching connection.

So by the mutual cooperation of the first mounting portion and the second mounting portion, heater element is set to be securely fixed in radiator On, the good contact of heater element and radiator is further ensured, makes that good heat transfer can be carried out between the two.

Optionally, the baffle is aluminium baffle or copper baffle.

Since aluminium or copper have good heat dissipation performance, so while wind-guiding is realized so that baffle itself can be into Row heat dissipation, so as to further increase the radiating efficiency of radiator.

The construction of the utility model and its other purposes and beneficial effect will be in conjunction with the accompanying drawings to preferred real Apply the description of example and more obvious understandable.

Brief description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the Structure explosion diagram for the electromagnetic oven that the utility model embodiment one provides；

The structure of radiator, heater element and circuit board in the electromagnetic oven that Fig. 2 provides for the utility model embodiment one Schematic diagram；

Fig. 3 is the structure diagram of the radiator in the electromagnetic oven that the utility model embodiment one provides.

Description of reference numerals：

1-bottom case；

11-lower cover；

12-upper cover；

2-panel；

3-coil panel；

4-wind turbine；

5-circuit board；

50-heater element；

501-the second mounting portion；

51-rectifier bridge stack；

52—IGBT；

6-radiator；

60-heat dissipation wind channel；

61-radiating fin；

62-heat-radiating substrate；

63-baffle；

64-the first mounting portion；

7-control panel.

Embodiment

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other attached drawings can also be obtained according to these attached drawings.

In order to solve the technical problem that radiator heat-dissipation effect is poor in the electromagnetic oven of the prior art, the utility model provides A kind of electromagnetic oven, to improve the heat dissipation effect of radiator.Below by specific embodiment to the electromagnetic oven of the utility model into Row describes in detail.

Embodiment one

Fig. 1 is the Structure explosion diagram for the electromagnetic oven that the utility model embodiment one provides.Fig. 2 is the utility model embodiment The structure diagram of radiator, heater element and circuit board in one electromagnetic oven provided.Fig. 3 is the utility model embodiment one The structure diagram of radiator in the electromagnetic oven of offer.Referring to figs. 1 to shown in Fig. 3, the present embodiment provides a kind of electromagnetic oven, bag Include：Bottom case 1 and panel 2.Panel 2 is located at the top of bottom case 1.Coil panel 3, wind turbine 4, circuit board 5, radiator 6 are equipped with bottom case 1 With control panel 7.During specific implementation, panel 2 can be ceramic panel or glass panel, and the utility model does not make this Limit.

Wherein, coil panel 3 specifically includes：The coil of coil plate rail and winding on coil plate rail, coil plate rail are fixed on On bottom case 1, during specific implementation, coiling partition plate can be set on coil plate rail, winding slot is formed between adjacent coiling partition plate, Enameled wire is along winding slot winding, so as to form coil on coil plate rail.Wherein, winding slot can be ring winding groove, this When, wire jumper notch can be set on each coiling partition plate, and winding slot can also be helical form winding slot.Coil can dredge around, Can be close around the utility model is not construed as limiting this.Further, since coil is powered, the magnetic line of force produced is two-way up and down, is The magnetic line of force is set to be gathered in the top of coil panel 3 as far as possible, i.e. cookware is directed only to, to improve the efficiency of heating surface, can also be in coil plate rail Bottom magnetic stripe is set, the magnetic line of force is guided by magnetic stripe, the magnetic line of force is gathered in the top of coil panel 3.For example magnetic stripe is Multiple, multiple magnetic stripes are radially arranged in the bottom of coil plate rail using the center of coil plate rail as the center of circle.If electromagnetic oven The work top at place contains magnetic conduction substance, such as metal table top, by setting magnetic stripe, can prevent downward magnetic force line cutting electricity Table top where magnetic stove, causes table top to arch upward and causes the generation of dangerous accident.Wherein, coil panel 3 is electrically connected with circuit board 5 Connect, the electric current of coil panel 3 is passed through to control by control board 5.Illuminator and key group are typically provided with control panel 7 Part, control panel 7 is identical with the control panel in the electromagnetic oven of the prior art, is not described in detail here.

Wherein, circuit board 5 is equipped with heater element 50, and heater element 50 is located at the lower section of radiator 6, heater element 50 with The bottom surface contact of radiator 6, radiator 6 are used to radiate for heater element 50.Heater element 50 generally comprises：Insulated gate bipolar is brilliant Body pipe (insulated-gate-bipolar transistor, abbreviation IGBT), rectifier bridge stack 51, inductance, capacitance, but it is unlimited In this.When electromagnetic oven works, heater element 50 can send more heat, and heater element 50 is contacted with the bottom surface of radiator 6, lead to Radiator 6 is crossed to radiate for heater element.Radiator 6 blows radiator 6 by wind turbine 4 and radiates, i.e. heater element 50 is sent out The heat transfer gone out to radiator 6, wind turbine 4 blows away the heat on radiator 6, so as to fulfill the heat dissipation to heater element 50.

Herein, it is necessary to which explanation, heater element 50 are contacted with the bottom surface of radiator 6, it can be understood as：Heater element 50 It is not directly connected between radiator 6, heater element 50 is abutted directly on the bottom surface of radiator 6；Alternatively, with reference to Fig. 2 or Fig. 3 Shown, heater element 50 is fixed on radiator 6 by fixing piece, and specifically, radiator 6 is equipped with the first mounting portion 64, hair Thermal element 50 is equipped with the second mounting portion 501 that connection can be matched with the first mounting portion 64, exemplary, is set on rectifier bridge stack 51 There is the second mounting portion 501, IGBT52 is equipped with the second mounting portion 501, and the position of IGBT52 and rectifier bridge stack 51 is corresponded on radiator 6 Put and be respectively equipped with the first mounting portion 64, in the present embodiment, the first mounting portion 64 is screw hole, and the second mounting portion 501 is also screw hole, During installation, the screw hole on the screw hole on radiator 6 and heater element 50 is aligned, then by being threaded through two corresponding screw holes In screw be that fixation between heater element 50 and radiator 6 can be achieved, that is to say, that pass through the first mounting portion 64 and second The mutual cooperation of mounting portion 501, makes heater element 50 be securely fixed on radiator 6, ensure that heater element 50 and heat dissipation The good contact of device 6, makes that good heat transfer can be carried out between the two.Furthermore it is also possible in heater element 50 and radiator 6 Contact surface on coated with thermally conductive gum, so as to further ensure good heat transfer effect between heater element 50 and radiator 6 Rate, heat conduction gum can be graphene or other materials with Thermal conductivity, such as carbon fibre material.Need It is noted that the utility model is not limited to this fixed form between heater element 50 and radiator 6, as long as can make The heat of heater element 50 can quickly be transferred to radiator 6.

During specific implementation, wind turbine 4 can be centrifugal blower or axial flow blower, and the utility model does not limit this It is fixed, as long as being capable of providing cooling wind, radiated for electromagnetic oven internal component.

Due to the electromagnetic oven of the prior art, there is no special heat dissipation wind channel for radiator, cause the wind for blowing to radiator More dispersed, air quantity is smaller, causes the cooling of radiator 6 slower, and then causes 50 temperature rise of heater element excessive and break down. Based on this, in order to make the air quantity for blowing to radiator 6 more concentrate, more, in the electromagnetic oven of the present embodiment, the bottom surface of radiator 6 On be additionally provided with least two baffles 63.Baffle 63, the bottom surface of radiator 6 and circuit board 5 surround heat dissipation wind channel 60 jointly.Here It should be noted that the bottom surface of radiator 6 refers to after radiator 6 is installed on electromagnetic oven, radiator 6 towards heater element 50 side.It is understood that heat dissipation wind channel 60 has air inlet and air outlet, inlet air of the wind from heat dissipation wind channel 60 is cooled down Mouth enters, and is flowed along heat dissipation wind channel 60, the heat of radiator 6 and heater element 50 is taken away, then from heat dissipation wind channel 60 Air outlet flows out.By setting baffle 63 in the bottom surface of radiator 6, so as to form dedicated heat dissipation wind channel 60 to radiator 6, lead to Cross the heat dissipation wind channel 60 to converge the cooling wind for blowing to radiator 6, so as to add the air quantity for blowing over radiator 6, improve The heat dissipation effect of radiator 6, makes heater element 50 be maintained at a normal temperature and works, avoid 50 temperature rise of heater element Situation that is excessive and causing electromagnetic oven internal component to be damaged occurs, and guarantee is provided for the normal work of electromagnetic oven.

During specific implementation, air inlet and air outlet are offered on bottom case 1.In the present embodiment, air inlet is located at bottom case 1 On bottom surface, and it is correspondingly arranged at the lower section of wind turbine 4.Air outlet is located on the side wall of bottom case 1, and is set away from air inlet, to prevent Only have just enter into the cooling wind in bottom case 1 and discharged also without coil panel 3 and radiator 6 from air outlet, cause to cool down wind not Situation about efficiently use occurs.Certainly, in other implementations, air inlet can also be set on the side wall of bottom case 1, outlet air Mouth can also be arranged on the bottom wall of bottom case 1, alternatively, in order to enable the heat inside electromagnetic oven to be more quickly expelled to electromagnetism Outside stove, air outlet can be opened up at the same time on the bottom wall and side wall of bottom case 1, position is set for air inlet and the specific of air outlet Put, the utility model is not construed as limiting, and can specifically be set according to actual conditions.

With reference to shown in Fig. 1, bottom case 1 specifically includes：Lower cover 11 and the upper cover 12 above the lower cover 11.Wherein, on Lid 12 is frame shape lid.Lower cover 11 includes：Bottom wall and the side wall being disposed around in bottom wall circumferential direction, it is to be understood that lower cover 11 is chamber Body structure.Upper cover 12 covers the top edge for being located at lower cover 11, and the lid of panel 2 is located in upper cover 12.Air inlet and air outlet are specifically opened It is located on lower cover 11.Can be specifically that air inlet is made of multiple apertures, multiple apertures can be round hole or ellipse Round hole, tri-angle-holed or polygonal hole.Air outlet is made of multiple apertures, and multiple apertures can be round hole, can also It is slotted eye, tri-angle-holed or polygonal hole, the utility model is not construed as limiting the concrete shape of air inlet and air outlet, It can specifically be set according to actual conditions, as long as can ensure normal inlet air and air draft.

In addition, having the first fixed part in upper cover 12, there is second that connection can be matched with the first fixed part on lower cover 11 Fixed part, during assembling, upper cover 12 is placed on lower cover 11, upper cover 12 and lower cover 11 pass through the first fixed part and the second fixed part Mutual cooperation realize connection, such as, the first fixed part be positioned at upper cover 12 inner edge circumferentially on screw hole, the second fixed part For the stud on lower cover 11 with screwhole position, screw hole and stud are connected by screw.Alternatively, the first fixed part is on upper lid Buckle, the second fixed part is card slot or card hole on lower lid.Wherein, panel 2 can be cohered by high temperature resistant colloid The top surface of upper cover 12, the utility model counter plate 2, upper cover 12, the specific connection mode of lower cover 11 are not construed as limiting.

In use, cookware is placed on the panel 2 of electromagnetic oven, it is powered for electromagnetic oven, the electric current for having high frequency at this time leads to Cross the coil on coil panel 3, so as to produce the magnetic field force of countless closings, when the magnetic line of force in magnetic field can be produced by cookware it is countless small Vortex, so as to be heated to the food materials in cookware.When electromagnetic oven works, the heater element on coil panel 3 and circuit board 5 50 can produce substantial amounts of heat, wherein, the heat express delivery that heater element 50 is sent is transferred to the radiator 6 being in contact with it.Electromagnetism The air inlet of cooling wind from bottom case 1 outside stove is entered in bottom case 1, and coil panel 3 and radiator are blowed under the action of wind turbine 4 6, part cooling wind directly blows to coil panel 3, and the heat that coil panel 3 is sent is taken away；Another part cools down wind to heat dissipation Device 6, cooling wind are entered in heat dissipation wind channel 60 under the guiding function of heat dissipation wind channel 60, blown over along heat dissipation wind channel 60, cooled down Wind quickly takes away the heat of radiator 6 and heater element 50, then flows out from the air outlet of heat dissipation wind channel 60, is dissipated by setting Hot-flow flue 60, so as to add the air quantity for blowing to radiator 6, makes radiator 6 cool down faster, blows to coil panel 3 and radiator 6 Cooling wind is finally expelled to outside electromagnetic oven from the air outlet on bottom case 1, it is achieved thereby that dissipating to coil panel 3 and radiator 6 Heat, enables each component good heat radiating inside electromagnetic oven.

Electromagnetic oven provided in this embodiment, by setting at least two baffles 63 on the bottom surface of radiator 6, at least two Baffle 63, the bottom surface of radiator 6 and circuit board 5 surround heat dissipation wind channel 60 jointly, so as to form Special heat dissipating wind to radiator 6 Road 60, converges the cooling wind for blowing to radiator 6 by the heat dissipation wind channel 60, so as to add the wind for blowing over radiator 6 Amount, makes 6 fast cooling of radiator, improves the heat dissipation effect of radiator 6, heater element 50 is maintained at a normal temperature Lower work, provides guarantee for the normal work of electromagnetic oven, extends the service life of electromagnetic oven.

More preferable, the air-out direction of the air inlet face wind turbine 4 of heat dissipation wind channel 60 is set.So by by radiation air The air inlet in road 60 and the air-out direction face of wind turbine 4 so that the cooling wind energy that wind turbine 4 is blown out enough is directly entered to heat dissipation wind channel In 60, so that the heat dissipation of radiator 6 and heater element 50 is faster, heat dissipation effect is further increased.Certainly, realized at other In mode or, a part for the air inlet of heat dissipation wind channel 60 and the air-out direction face of wind turbine 4.

During specific implementation, which can be aluminium radiator, since aluminium has good heat conductivility, so that hair The heat that thermal element is sent can quickly be transferred to radiator 6, then be distributed heat by radiator 6.Certainly, at it In his implementation, radiator 6 can also be copper radiator, and the utility model is not limited to this material of radiator 6.

Wherein, radiator 6 specifically includes：Heat-radiating substrate 62 and the radiating fin 61 being arranged on heat-radiating substrate 62.Wherein, Radiating fin 61 is multigroup.With reference to shown in Fig. 2, radiating fin 61 is located at the top surface of heat-radiating substrate 62, heater element 50 and heat dissipation The bottom surface contact of substrate 62, baffle 63 are located at the bottom surface of heat-radiating substrate 62.The heat transfer that so heater element 50 is sent to Its heat-radiating substrate 62 contacted, radiating fin 61 quickly take away the heat on heat-radiating substrate 62, improve heat-radiating substrate 62 Radiating efficiency.More preferable, the setting direction of radiating fin 61 is consistent with the air-out direction of wind turbine 4.So set so that into Enter to the cooling wind in heat dissipation wind channel 60 and flowed along heat dissipation wind channel 60, by heat-radiating substrate 62 and the heat band of heater element 50 To walk, the cooling wind for blowing to radiating fin 61 is flowed along radiating fin 61, and the heat on radiating fin 61 is quickly taken away, so that Further increase the radiating efficiency of radiator 6.

In the present embodiment, radiating fin 61 is integrally formed with heat-radiating substrate 62, can so be further ensured that heat-radiating substrate Heat transference efficiency between 62 and radiating fin 61, and make, installation it is all more convenient.Certainly, radiating fin 61 can also be Subsequent installation is on heat-radiating substrate 62.

During specific implementation, baffle 63 is an integral structure with radiator 6.That is, when making radiator 6, dissipating Be integrally formed baffle 63 on the bottom surface of hot device 6 so that radiator 6 it is easier for installation, and improve baffle 63 and radiator 6 Overall construction intensity.Certainly, baffle 63 can also be subsequent installation on radiator 6.Specifically, baffle 63 can be copper Baffle or aluminium baffle, since copper or aluminium have good heat dissipation performance, so while wind-guiding is realized so that gear Plate itself can radiate, so as to further increase the radiating efficiency of radiator.Certainly, baffle 63 can also be by resistance to height Plastic dam made of warm plastics, the utility model are not limited thereto the material of baffle 63.

With reference to shown in Fig. 2 and Fig. 3, in the present embodiment, baffle 63 is specially two, and two baffles 63 set up separately in radiator The both sides of 6 bottom surface.That is, one is surrounded jointly between the bottom surface of two baffles 63, heat-radiating substrate 62 and circuit board 5 Heat dissipation wind channel 60.Heater element 50 is located in the heat dissipation wind channel 60.The cooling wind that wind turbine 4 is blown out is under the guiding of heat dissipation wind channel 60 Enter in heat dissipation wind channel 60, flowed along heat dissipation wind channel 60, so that rapidly by the heat of heater element 50 and radiator 6 On heat take away, to radiator 6 and heater element 50 radiate at the same time.Two baffles 63 are additionally, since to set up separately scattered The bottom surface both sides of hot device 6, so increase the area of heat dissipation wind channel 60, allow to enter to air quantity in heat dissipation wind channel 60 more Greatly, heat dissipation effect is more preferable.

Embodiment two

On the basis of above-described embodiment, the present embodiment provides the electromagnetic oven of another structure, the electromagnetic oven of the present embodiment It is with the difference of embodiment one：

Baffle 63 is multiple, and multiple baffles 63 are intervally arranged on the bottom surface of radiator 6, and the setting direction of each baffle 63 It is consistent with the air-out direction of wind turbine 4, to form multiple heat dissipation wind channels 60.

Since heater element 50 is generally multiple, such as, heater element 50 includes：Rectifier bridge stack 51, IGBT52.At this time may be used Different heater elements is arranged in different heat dissipation wind channels 60.For example rectifier bridge stack 51 and IGBT52 are separately positioned on In different heat dissipation wind channels 60 so that the heat dissipation of rectifier bridge stack 51 and IGBT52 is independent of each other, make rectifier bridge stack 51, The respective cooling rates of IGBT52 are faster.

Other technical characteristics are identical with embodiment one, and can reach identical technique effect, and this is no longer going to repeat them, tool Body can refer to the description of embodiment one.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical solution of type.

Claims (10)

1. a kind of electromagnetic oven, including bottom case (1) and the panel (2) at the top of the bottom case (1), the bottom case (1) is interior to be equipped with Wind turbine (4), circuit board (5) and radiator (6), the circuit board (5) are equipped with heater element (50), the heater element (50) Contacted with the bottom surface of the radiator (6), the radiator (6) is used to radiate for the heater element (50), it is characterised in that The bottom surface of the radiator (6) is equipped with least two baffles (63), the baffle (63), the radiator (6) bottom surface with And the circuit board (5) surrounds heat dissipation wind channel (60) jointly.

2. electromagnetic oven according to claim 1, it is characterised in that wind described in the air inlet face of the heat dissipation wind channel (60) The air-out direction of machine (4) is set.

3. electromagnetic oven according to claim 1, it is characterised in that the radiator (6) includes heat-radiating substrate (62) and sets Put the radiating fin (61) on the heat-radiating substrate (62) top surface, the heater element (50) and the heat-radiating substrate (62) Bottom surface contacts, and the baffle (63) is located at the bottom surface of the heat-radiating substrate (62).

4. electromagnetic oven according to claim 3, it is characterised in that the setting direction of the radiating fin (61) and the wind The air-out direction of machine (4) is consistent.

5. electromagnetic oven according to claim 1, it is characterised in that the baffle (63) is integrated with the radiator (6) Formula structure.

6. electromagnetic oven according to any one of claims 1 to 5, it is characterised in that the baffle (63) is two, two institutes Baffle (63) is stated to set up separately in the both sides of the bottom surface of the radiator (6).

7. electromagnetic oven according to any one of claims 1 to 5, it is characterised in that the baffle (63) is multiple, Duo Gesuo Baffle (63) is stated to be intervally arranged on the bottom surface of radiator (6), and the setting direction of each baffle (63) with the wind turbine (4) air-out direction is consistent, to form multiple heat dissipation wind channels (60).

8. electromagnetic oven according to claim 7, it is characterised in that the heater element (50) is multiple, different fever Element (50) is located in different heat dissipation wind channels (60).

9. electromagnetic oven according to claim 8, it is characterised in that the heater element (50) includes：Insulated gate bipolar is brilliant Body pipe IGBT (52) and rectifier bridge stack (51).

10. electromagnetic oven according to any one of claims 1 to 5, it is characterised in that the radiator (6) is equipped with first Mounting portion (64), the heater element (50) are equipped with the second mounting portion that connection can be matched with first mounting portion (64) (501)。