CN209310073U - Electromagnetic oven - Google Patents

Abstract

The utility model provides an induction cooker, which comprises a bottom shell (1), and a heat radiation fan (5), a coil panel (3) and a circuit board assembly (4) which are positioned in the bottom shell (1), wherein the bottom shell (1) is provided with an air inlet hole (110) and an air outlet hole (120), and the air inlet hole (110) is arranged on the side wall of the bottom shell (1); the utility model discloses a table top of a desk, including drain pan (1), diapire (115) of drain pan (1) go up with the region of fresh air inlet (110) intercommunication forms into stores up wind district (100), the correspondence of diapire (115) store up the position orientation of wind district (100) the below protrusion of drain pan (1) forms first boss (101) to can avoid desktop ponding to be inhaled in the drain pan, and improve the radiating effect.

Description

Electromagnetic oven

Technical field

The utility model relates to field of home appliance technology more particularly to a kind of electromagnetic ovens.

Background technique

Electromagnetic oven has many advantages, such as to heat quick, the flames of anger, smoke dust, safe ready, increasingly by the blueness of consumer It looks at and approves.

Electromagnetic oven specifically includes that bottom case, the panel on bottom case, the coil panel in bottom case inner cavity, circuit board group Part and cooling fan；Wherein, coil panel and circuit board assemblies etc. are main heater element, and cooling fan is used for as fever member Part heat dissipation.Air inlet hole and exhaust vent are offered on bottom case, air inlet hole is specifically provided on the bottom wall of bottom case, and air inlet hole is positioned at scattered The underface of air-heater.When electromagnetic oven works, cooling wind outside electromagnetic oven cooling fan effect from bottom case bottom wall Air inlet hole enters in bottom case, and the heat of the heater elements such as coil panel, circuit board assemblies is taken away, then hot wind going out from bottom case Air holes is blown out to electromagnetic oven, to realize the heat dissipation of electromagnetic oven.

However, the bottom wall of bottom case is apart from table since the air inlet hole of the electromagnetic oven of the prior art is provided on the bottom wall of bottom case Face is closer, and especially for the electromagnetic oven of thin in profile, the space of bottom wall to desktop is especially narrow, cooling fan work When, it is easy for the ponding etc. on desktop to be sucked into bottom case inner cavity, the electronic device in bottom case is caused to meet water dampness or occur The phenomenon of short circuit occurs, and then leads to electromagnetic oven damage and the generation of unsafe accident.

Utility model content

In order to solve the problems, such as at least one mentioned in background technique, the utility model provides a kind of electromagnetic oven, can keep away Exempt from desktop ponding to be inhaled into bottom case, and improves heat dissipation effect.

To achieve the goals above, the utility model provides a kind of electromagnetic oven, including bottom case and is located in the bottom case Cooling fan, coil panel and circuit board assemblies, offer air inlet hole and exhaust vent on the bottom case, the air inlet hole is provided with On the side wall of the bottom case；

The region being connected on the bottom wall of the bottom case with the air inlet hole is formed as Chu Fengqu, described in the correspondence of the bottom wall It protrudes to form first boss in the lower section for being positioned against the bottom case of Chu Fengqu.

The electromagnetic oven of the utility model, by the way that air inlet hole to be provided on the side wall of bottom case, that is, only in electromagnetic oven bottom shell Side wall opens up air inlet hole, and compared with prior art, the distance due to the air inlet hole in the utility model apart from desktop is the bottom case bottom of than The position of wall wants high, and the ponding of desktop is sucked into the situation in bottom case when so as to avoid electromagnetic oven from working to a certain extent Occur, extends the service life of electronic device in electromagnetic oven, avoid the generation of unsafe accident；Meanwhile making the bottom wall of bottom case The lower section for being positioned against bottom case of correspondence Chu Fengqu protrude to form first boss, that is to say, that without changing other component In the case where installation site, the position for only making the bottom wall of bottom case 1 correspond to Chu Fengqu sinks to forming boss, to increase Chu Fengqu Area, that is, the area for increasing the air inlet region of bottom case and then is increased and is blown so that the air quantity of cooling fan sucking is bigger To the air quantity of the heater elements such as coil panel, circuit board assemblies, to improve heat dissipation effect.

Optionally, the lower surface of the cooling fan is formed as air intake surface, and the upper surface of the cooling fan is formed as Wind face；

It protrudes to form second boss in the lower section for being positioned against the bottom case of the correspondence of the bottom wall cooling fan；Institute First boss is stated to be connected to the second boss.

By making the position of the correspondence cooling fan of bottom wall sink to forming second boss, that is, increase the air inlet of cooling fan The distance between face and the bottom wall of bottom case make the air inlet for reaching cooling fan to further increase the area in air inlet region The air quantity in face is bigger, so that it is bigger to blow to coil panel, the air quantity of circuit board assemblies, further improves heat dissipation effect.

Optionally, the area of the second boss is not less than perspective plane of the cooling fan on the bottom wall of the bottom case Product.

The area in air inlet region can be further increased in this way.

Optionally, the height of sinking of the first boss is consistent with the sinking of second boss height.

The space size in entire air inlet region had both been increased in this way, and improved the aesthetic appearance of electromagnetic oven.

Optionally, the sinking altitude range of the first boss and the second boss is 3mm~20mm.

In this way while increasing air inlet region area, so that the thickness of electromagnetic oven will not be too thick.

Optionally, at least partly described exhaust vent is provided with one far from the cooling fan of the bottom wall of the bottom case Side.

By opening up exhaust vent on the bottom wall of bottom case, and make exhaust vent far from cooling fan, not only enables hot wind It is swimmingly discharged from exhaust vent, and can avoid being sent out by the situation in cooling fan sucking bottom case again from the hot wind that exhaust vent is arranged It is raw；Moreover, exhaust vent is provided on the bottom wall of bottom case, so that user will not see when electromagnetic oven is normally placed or cooked To exhaust vent, the probability that dust, grease stain etc. are entered to from exhaust vent in bottom case can be reduced to a certain extent；In addition, due to going out Air holes can prevent user from seeing the device of bottom shell through exhaust vent, can also avoid to a certain extent small than more covert Thin rod shape part is stretched to the situation for causing bottom shell device impaired in bottom case from exhaust vent by child to be occurred.

Optionally, the region fovea superior far from the cooling fan of the bottom wall of the bottom case forms step, the exhaust vent It is provided on the step surface of the step.

The position fovea superior that exhaust vent is arranged in bottom wall by making bottom case forms step, to increase exhaust vent and electromagnetic oven The distance between place desktop further improves the smoothness of outlet air.

Optionally, the altitude range of the step is 5mm~25mm.

By the way that the height setting of step within the above range, while improving outlet air smoothness, will not be made electromagnetic oven Thickness it is too thick, and can guarantee electromagnetic oven aesthetics.

Optionally, fan shroud, the side shape towards the air inlet hole of the fan shroud are covered on the cooling fan The air inlet of the connection of air inlet hole described in Cheng Youyu, the fan shroud towards the coil panel and/or the circuit board group The side of part has fan outlet.

Due to being covered with fan shroud on cooling fan, the side towards air inlet hole of fan shroud is formed with air inlet, Fan shroud towards the side of coil panel and/or circuit board assemblies have fan outlet, electromagnetic oven work when, from air inlet hole into The cooling wind entered reaches Chu Fengqu, blower air intake surface is reached by air inlet, then after cooling fan is pressurized, through blower Air outlet blows to the heater elements such as coil panel, circuit board assemblies, by being provide with fan shroud on cooling fan, so that from air inlet hole The cooling wind of entrance is assembled under the action of fan shroud, reduces the loss of cooling wind, so that blowing to coil panel, circuit board The air quantity of the heater elements such as component is more concentrated, and wind speed and air quantity are bigger, to further improve the heat dissipation effect of electromagnetic oven.

Optionally, the fan shroud has side wall, the bottom of the side towards the air inlet hole of the side wall of the fan shroud There is gap, the gap is formed as the air inlet between portion and the bottom wall of the bottom case.

In this way without specially opening up air inlet on fan shroud, need to only make during installation the side wall bottom end of fan shroud with Gap is formed between the bottom wall of bottom case, so that the gap is formed directly as air inlet, therefore the production of fan shroud is more convenient； And setting enables wind to reach the air intake surface of cooling fan as much as possible in this way, keeps the entrance of wind more smooth.

Optionally, the plane where the bottom end of the side wall of the fan shroud is not higher than the lower surface of the cooling fan.

The side wall of fan shroud play the role of it is certain keep out the wind, make enter cooling wind be able under the action of fan shroud effectively Aggregation, it is as much as possible to blow to heater element from fan outlet；If the plane where the bottom end of the side wall of fan shroud is arranged For the plane where the lower surface higher than cooling fan, it will lead to part wind and blown over above cooling fan and line can not be blowed to The heater elements such as disk, circuit board assemblies are enclosed, cause the air quantity for blowing to heater element to become smaller, the utility model is by making fan shroud Plane where the bottom end of side wall lower than plane where the lower surface of cooling fan, or with where the lower surface of cooling fan Plane is concordant, to ensure that the air quantity for reaching the air intake surface of cooling fan, further ensures heat dissipation effect.

Optionally, when being formed with second boss on the bottom wall of the bottom case,

The distance between the bottom end of side wall of the bottom wall of the second boss and fan shroud range is 5mm~25mm.

It not only can guarantee effectively to enter the wind, while can make the thickness of electromagnetic oven will not be too thick.

It optionally, further include being disposed around the wind deflector of the cooling fan periphery, and the wind deflector is located at the air inlet Between hole and the exhaust vent；

The wind deflector extends between the coil panel and the circuit board assemblies；The wind deflector goes out the blower Air port is divided into the first outlet air oral area towards the circuit board assemblies and the second outlet air oral area towards the coil panel.

Air inlet hole and exhaust vent are separated by wind deflector, can avoid occurring between air inlet and the outlet to a certain extent dry It disturbs, prevents the air of air inlet hole and exhaust vent from running helter-skelter, and then guarantee heat dissipation effect；By making wind deflector extend to coil panel and electricity Between the board group part of road, using wind can flow to according to preset path, so that blowing to line from wind a part that fan outlet is blown out Disk is enclosed, a part blows to circuit board assemblies, so that the heat dissipation of coil panel and circuit board assemblies be made to be effectively ensured.

It optionally, further include the wind deflector for being disposed around the cooling fan periphery；

The recessed formation groove in the top of the part of the correspondence of the wind deflector coil panel.

Make the height of the part of the correspondence coil panel on the top of wind deflector than the other positions on wind deflector top in this way It is highly lower, that is, the size for increasing the second outlet air oral area, to ensure that the air quantity for blowing to coil panel.

Optionally, the side wall of the bottom case includes: along the sequentially connected the first side wall of circumferential direction of the bottom case, second side Wall, third side wall and the 4th side wall；The second sidewall and the 4th side wall are oppositely arranged, and the third side wall is connected to institute It states between second sidewall and the 4th side wall；

The air inlet hole is provided in the second sidewall, and the cooling fan is arranged close to the second sidewall, described Circuit board assemblies are arranged between the cooling fan and the 4th side wall, coil panel setting in the cooling fan and Between the third side wall；

The exhaust vent includes: the first outlet air for being provided with the side close to the 4th side wall of bottom wall of the bottom case Hole and/or be provided with the bottom case bottom wall close to the third side wall side the second exhaust vent.

After setting can make the wind for blowing to circuit board assemblies take away the heat of circuit board assemblies in this way, directly from the closed on The blowout of one exhaust vent after taking away the wind for blowing to coil panel by the heat of coil panel, is directly blown out from the second exhaust vent closed on, Path is flowed through so as to shorten hot wind, hot wind is blown out outside electromagnetic oven faster, further improves heat dissipation effect Rate.

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

Detailed description of the invention

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, the accompanying drawings in the following description is 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, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the Structure explosion diagram for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 2 is the internal structure perspective view for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 3 is the airflow direction schematic diagram for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 4 is the internal structure top view for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 5 is the sectional view along A-A in Fig. 4；

Fig. 6 is the B-B direction cross-sectional view in Fig. 4；

Fig. 7 is the three-dimensional structure diagram one of the fan shroud in the electromagnetic oven that an embodiment of the present invention provides；

Fig. 8 is the three-dimensional structure diagram two of the fan shroud in the electromagnetic oven that an embodiment of the present invention provides；

Fig. 9 is the face upwarding assumption diagram of the fan shroud in the electromagnetic oven that an embodiment of the present invention provides；

Figure 10 is the overlooking structure figure of the bottom case for the electromagnetic oven that an embodiment of the present invention provides；

Figure 11 is the three-dimensional structure diagram of the bottom case for the electromagnetic oven that an embodiment of the present invention provides；

Figure 12 is the face upwarding assumption diagram one of the bottom case for the electromagnetic oven that an embodiment of the present invention provides；

Figure 13 is the face upwarding assumption diagram two of the bottom case for the electromagnetic oven that an embodiment of the present invention provides；

Figure 14 is the face upwarding assumption diagram three of the bottom case for the electromagnetic oven that an embodiment of the present invention provides.

Description of symbols:

1-bottom case；

11-upper covers；

12-lower covers；

110-air inlet holes；

120-exhaust vents；

1201-the second exhaust vent；

1202-the first exhaust vent；

2-panels；

3-coil panels；

30-temperature measurement components；

4-circuit board assemblies；

5-cooling fans；

51-flabellums；

52-fan supporters；

6-fan shrouds；

61-side walls；

611-bottom ends；

62-fan outlets；

621-the first outlet air oral area；

622-the second outlet air oral area；

63-roofs；

64-relief portion；

65-studs；

7-lamp plates；

8-wind deflectors；

80-grooves；

10-boss；

101-first boss；

102-second boss；

100-Chu Fengqu；

111-the first side walls；

112-second sidewalls；

113-third side walls；

114-the four side wall；

115-bottom walls；

13-steps；

14-foots pad；

H1-height；

H2-groove depth；

H3-distance；

D-height.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Fig. 1 is the Structure explosion diagram for the electromagnetic oven that an embodiment of the present invention provides；Fig. 2 is the implementation of the utility model one The internal structure perspective view for the electromagnetic oven that example provides；Fig. 3 is the airflow direction for the electromagnetic oven that an embodiment of the present invention provides Schematic diagram；Fig. 4 is the internal structure top view for the electromagnetic oven that an embodiment of the present invention provides；Fig. 5 be Fig. 4 in A-A to Cross-sectional view；Fig. 6 is the B-B direction cross-sectional view in Fig. 4；Fig. 7 is the fan shroud in the electromagnetic oven that an embodiment of the present invention provides Three-dimensional structure diagram one；Fig. 8 is the three-dimensional structure diagram two of the fan shroud in the electromagnetic oven that an embodiment of the present invention provides；Figure The face upwarding assumption diagram of fan shroud in 9 electromagnetic ovens provided for an embodiment of the present invention；Figure 10 is that the utility model one is real The overlooking structure figure of the bottom case of the electromagnetic oven of example offer is provided；Figure 11 is the bottom case for the electromagnetic oven that an embodiment of the present invention provides Three-dimensional structure diagram；Figure 12 is the face upwarding assumption diagram one of the bottom case for the electromagnetic oven that an embodiment of the present invention provides；Figure 13 is The face upwarding assumption diagram two of the bottom case for the electromagnetic oven that an embodiment of the present invention provides；Figure 14 mentions for an embodiment of the present invention The face upwarding assumption diagram three of the bottom case of the electromagnetic oven of confession.Referring to figs. 1 to shown in Figure 14, the present embodiment provides a kind of electromagnetic ovens.

The electromagnetic oven is specific can include: bottom case 1, panel 2, the coil panel 3 in bottom case 1, circuit board assemblies 4, heat dissipation Blower 5 and lamp plate 7.Wherein, panel 2 is located at the top of bottom case 1, and panel 2 can be ceramic panel, be also possible to glass surface Plate, the utility model are not construed as limiting the material of panel 2.Settable key, indicator light etc. manipulate device and/or show on lamp plate 7 Show device.Wherein it is possible to which foot pad 14 is arranged in the bottom of bottom case 1, electromagnetic oven is supported by foot pad 14.

Coil panel 3 specifically may include coil plate rail and the coil that is wound around on coil plate rail, coil and circuit board assemblies 4 Electrical connection.In electromagnetic oven work, coil panel 3 and circuit board assemblies 4 are main heater element, and cooling fan 5 is used to be line The heater elements such as circle disk 3 and circuit board assemblies 4 radiate.When cooking using electromagnetic oven, the cookware of food materials will be loaded with It is placed on the panel 2 of electromagnetic oven, electromagnetic oven is given to be powered, that is, the electric current for having high frequency flows through coil on coil panel 3, generation Magnetic force line cutting cookware, so that countless small vortex are formed in the bottom surface of cookware, to heat to cookware.

In order to realize electromagnetic oven to the accurate temperature controlling of cookware, temperature measurement component 30 can also be set, temperature measurement component 30 specifically with Circuit board assemblies 4 are electrically connected, and temperature measurement component 30 is used to detect the temperature for the cookware being placed on panel 2,4 basis of circuit board assemblies The temperature that temperature measurement component 30 is measured carries out accurate temperature controlling to cookware, to realize the functions such as the quick-fried of electromagnetic oven, frying.Wherein, Temperature measurement component 30 specifically may be provided on coil panel 3, for example, temperature measurement component 30 is located at the center of coil plate rail, such thermometric Accuracy is higher.

Wherein, air inlet hole 110 and exhaust vent 120, cooling when electromagnetic oven works, outside electromagnetic oven are offered on bottom case 1 Wind enters in bottom case 1 under the action of cooling fan 5 from air inlet hole 110, after being pressurized by cooling fan 5, blows to coil panel 3 With circuit board assemblies 4 etc., the heat of the heater elements such as coil panel 3 and circuit board assemblies 4 is taken away, then hot wind is from exhaust vent 120 blowouts, to realize the heat dissipation of electromagnetic oven.

Circuit board assemblies 4 specifically may include circuit board and radiator.Insulated gate bipolar transistor is typically provided on circuit board Manage electronic components, IGBT and the rectification such as (Insulated Gate Bipolar Transistor, abbreviation IGBT) and rectifier bridge stack The fever of bridge heap is very big, in order to further increase the heat dissipation effect of electronic component, by the way that radiator is arranged, makes radiator and circuit board On electronic component contact, electronic component issue heat be quickly transferred to radiator, heat is distributed by radiator.

Since the air inlet hole of the electromagnetic oven of the prior art is arranged on the bottom wall of bottom case, the cooling wind outside electromagnetic oven is dissipating It is inhaled into bottom case under the action of air-heater by the air inlet hole on the bottom wall of bottom case, but the bottom wall of bottom case compares apart from desktop Closely, especially for the electromagnetic oven of thin in profile, the space of bottom wall to desktop is especially narrow, when cooling fan works, is easy Ponding etc. on desktop is sucked into bottom case inner cavity, causes the electronic device in bottom case to meet water dampness or showing for short circuit occurs As occurring, lead to electromagnetic oven damage and the generation of unsafe accident.Based on this, in the present embodiment, air inlet hole 110 is specifically opened It is located on the side wall of bottom case 1.

By the way that all air inlet holes 110 are provided on the side wall of bottom case 1, that is, only the side wall of electromagnetic oven bottom shell 1 open up into Air holes 110, compared with prior art, since distance of the air inlet hole 110 apart from desktop in the utility model is than 1 bottom wall of bottom case 115 position wants high, so that the ponding of desktop is sucked into the generation of the situation in bottom case 1 when can avoid electromagnetic oven work, extends The service life of electronic device, avoids the generation of unsafe accident in electromagnetic oven.

Wherein, bottom case 1 is specific can include: lower cover 12 and the upper cover 11 above lower cover 12.In the present embodiment, under Lid 12 is specially cavity body structure, and upper cover 11 can be frame shape lid.The side wall of lower cover 12 is formed as at least partly side wall of bottom case 1, Air inlet hole 110 is specifically provided on the side wall of lower cover 12.It is of course also possible to be, upper cover includes side wall, and the side wall of upper cover is formed as At least partly side wall of bottom case 1, in that case, air inlet hole 110 can be specifically provided on the side wall of upper cover.On for another example Lid includes middle lid and the upper cover body above middle lid, and the side wall of middle lid is formed as at least partly side wall of bottom case 1, In that case, air inlet hole 110 can be specifically provided on the side wall of middle lid.It is also possible to the side wall and lower cover of upper cover Side wall is collectively formed at least partly side wall of bottom case 1, in the case of this kind, can be opened up on the side wall of upper cover and lower cover into Air holes 110.

When specific implementation, it can set multiple for air inlet hole 110, multiple air inlet holes 110 are intervally arranged in the side of bottom case 1 On wall, for example, multiple air inlet holes 110 are arranged into grid-like, it not only ensure that intake and air inlet uniformity, and improve electromagnetism The aesthetic appearance of furnace.Certainly, multiple air inlet holes 110 can also be arranged into multiple lines and multiple rows or ring-type etc..Each air inlet hole 110 can To be the shapes such as bar shaped, circle, the utility model is not construed as limiting this.

0 to shown in Figure 14 referring to Fig.1, in the present embodiment, the region being connected on the bottom wall 115 of bottom case 1 with air inlet hole 110 Be formed as the area Chu Feng 100, that is to say, that the cooling wind entered from air inlet hole 110 is introduced into Chu Fengqu 100, is then reached and is dissipated The air intake surface of air-heater 5.It is understood that the area Chu Feng 100 is the region on bottom wall close to air inlet hole 110.In order to increase The space in the air inlet region of bottom case 1 can specifically make the lower section protrusion for being positioned against bottom case 1 in the area correspondence Chu Feng 100 of bottom wall 115 Form first boss 101.That is, without only making the bottom wall pair of bottom case 1 in the case where changing other component installation site The position in Ying Chu wind area 100 sinks to forming boss, to increase the area in the area Chu Feng 100, that is, increase the air inlet of bottom case 1 The space in region so that it is bigger to blow to coil panel 3, the air quantity of circuit board assemblies 4, further increases to increase intake Heat dissipation effect.

Electromagnetic oven provided in this embodiment, by the way that air inlet hole 110 to be provided on the side wall of bottom case 1, that is, only in electromagnetic oven The side wall of bottom case 1 opens up air inlet hole 110, compared with prior art, since the air inlet hole 110 in the utility model is apart from desktop Distance is higher than the position of 1 bottom wall 115 of bottom case, and the ponding of desktop is inhaled when so as to avoid electromagnetic oven from working to a certain extent Enter to the situation in bottom case 1 and occur, extends the service life of electronic device in electromagnetic oven, avoid the generation of unsafe accident； Meanwhile the lower section for being positioned against bottom case 1 in the area correspondence Chu Feng 100 of the bottom wall 115 of bottom case 1 being made to protrude to form first boss 101, That is, without only making the bottom wall of bottom case 1 correspond to the position in the area Chu Feng 100 in the case where changing other component installation site It sets sinking and forms boss, to increase the area of Chu Fengqu, that is, the area in the air inlet region of bottom case 1 is increased, so that heat dissipation The air quantity that blower 5 sucks is bigger, and then increases the air quantity for blowing to the heater elements such as coil panel 3, circuit board assemblies 4, to mention High heat dissipation effect.

Cooling fan 5 in the present embodiment is specifically as follows lower-cost axial flow blower, illustratively, in the present embodiment In, the lower surface of cooling fan 5 is formed as air intake surface, and the upper surface of cooling fan 5 is formed as outlet air surface, that is, cooling fan 5 is Enter the wind top air-out in bottom.Cooling fan 5 specifically may include fan supporter 52 and flabellum 51, have rotor, fan on fan supporter 52 Leaf 51 is connected on rotor, and the lower surface of flabellum 51 is air intake surface, and the upper surface of flabellum 51 is outlet air surface.Certainly, in other realities In existing mode, the upper surface for being also possible to cooling fan 5 is formed as air intake surface, and the lower surface of cooling fan 5 is formed as outlet air Face.

In the present embodiment, further, the lower section protrusion for being positioned against bottom case 1 of the correspondence cooling fan 5 of bottom wall 115 Second boss 102 is formed, second boss 102 is connected to first boss 101.By the position for making the correspondence cooling fan 5 of bottom wall 115 It sets sinking and forms second boss 102, that is, increase the air intake surface of heat dissipation hair blower 5 and the distance between the bottom wall of bottom case 1, thus The area in air inlet region is further increased, keeps the air quantity for reaching the air intake surface of cooling fan 5 bigger, so that blowing to coil Disk 3, the air quantity of circuit board assemblies 4 are bigger, further improve heat dissipation effect.That is, forming one on the bottom wall of bottom case 1 Whole boss 10, boss 10 include first boss 101 and second boss 102, by will be under the area Chu Feng 100 and cooling fan 5 The space of side increases simultaneously, that is, so that entirely the space in air inlet region increases, to further increase intake, further Improve heat dissipation effect.

More preferred, the area of second boss 102 is not less than perspective plane of the cooling fan 5 on the bottom wall 115 of bottom case 1 Product can further increase the area in air inlet region in this way.

Wherein, the height that first boss 101 can be made to sink with second boss 102 is consistent, has both increased entire air inlet in this way The space size in region, and improve the aesthetic appearance of electromagnetic oven.Specifically, first boss 101 and second boss 102 are sunk Height d specifically may be provided between 3mm~20mm, it is to be understood that the following table of first boss 101 and second boss 102 Plane where face is higher than foot pad 14.Height setting by the way that boss 10 sinks enters the wind region increasing within the above range While area, it do electromagnetic oven will not thicker.

Further, in this embodiment cooling fan 5 on be also covered with fan shroud 6, fan shroud 6 towards air inlet hole 110 side is formed with air inlet, and air inlet is connected to air inlet hole 110, fan shroud 6 towards coil panel 3 and/or The side of circuit board assemblies 4 has fan outlet 62.

That is, the cooling wind entered from the air inlet hole 110 of 1 side wall of bottom case reaches Chu Fengqu when electromagnetic oven works 100, the air intake surface of cooling fan 5 is reached by air inlet, then after the pressurization of cooling fan 5, through fan outlet 62 The heater elements such as coil panel 3, circuit board assemblies 4 are blowed to, the heater elements such as coil panel 3, circuit board assemblies 4 are dissipated to realize Heat.

By being provide with fan shroud 6 on cooling fan 5, so that work of the cooling wind entered from air inlet hole 110 in fan shroud 6 Assembled under, that is, make the cooling wind entered from air inlet hole 110 the air intake surface as much as possible for reaching cooling fan 5, reduce The loss of cooling wind, so that the air quantity for blowing to the heater elements such as coil panel 3, circuit board assemblies 4 more concentrates, wind speed and air quantity It is bigger, to further improve the heat dissipation effect of electromagnetic oven.

Wherein, fan shroud 6 can be specifically fixed on lower cover 12, illustratively, stud 65, lower cover are provided on fan shroud 6 The position of 12 correspondence stud 65 has screw hole, and the two is connected by screw to together.It wherein, can be by fan shroud 6, fan supporter 52 are also secured on lower cover 12, and specifically, the position of the correspondence stud 65 of fan supporter 52 has screw hole.Certainly, fan shroud 6 It can also be fastened on lower cover 12.In other implementations, fan shroud 6 can also be fixed in upper cover 11, alternatively, being fixed on The lower surface of panel 2 is not limited thereto specific fixed form the utility model of fan shroud 6.

Specifically, fan shroud 6 is with roof 63 and along the side wall 61 that the outer rim of roof 63 extends downwardly, in the present embodiment In, there is gap, the gap between the bottom of the side towards air inlet hole 110 of the side wall 61 of fan shroud 6 and the bottom wall of bottom case 1 Be formed as air inlet, that is to say, that the cooling wind entered from the air inlet hole 110 of 1 side wall of bottom case enters to scattered from the gap The air intake surface of air-heater 5.Setting in this way need to only make blower without specially opening up air inlet on fan shroud 6 during installation Gap is formed between the side wall bottom end of cover 6 and the bottom wall of bottom case 1, is entered with air feed, therefore the production of fan shroud 6 is more square Just, and setting in this way enables wind to reach the air intake surface of cooling fan 5 as much as possible, keeps the entrance of wind more smooth. Wherein, the side towards coil panel 3 and/or circuit board assemblies 4 of fan shroud 6 is formed directly as openning shape, it is to be understood that There is no side wall presence at the position of fan shroud 6, so that the opening is formed directly as fan outlet 62.

In the present embodiment, the bottom wall of the bottom of the side towards air inlet hole 110 of the side wall of fan shroud 6 and boss 10 it Between gap be formed as above-mentioned air inlet.It specifically, can be by the side wall 61 of the bottom wall of second boss 102 and fan shroud 6 The distance between bottom end h3 is arranged between 5mm~25mm, that is, the height dimension of air inlet is arranged in 5mm~25mm Between, so as to be further ensured that intake.In the present embodiment, since the sinking of first boss 101 and second boss 102 is high Degree is consistent, and therefore, above-mentioned distance h3 is also referred to as between the bottom wall of first boss 101 and 61 bottom end of side wall of fan shroud 6 Distance.

In addition, in order to facilitate the installation of, avoid interfering between fan shroud 6 and fan supporter 52, it can also be in fan shroud 6 Side wall 61 on relief portion 64 for avoiding fan supporter 52 is set, relief portion 64 specifically can be notch, be also possible to recessed Slot.

It is more preferred, when the lower surface of cooling fan 5 is formed as air intake surface, the bottom end 611 of the side wall 61 of fan shroud 6 The plane at place is not higher than the lower surface of cooling fan 5.Wherein, fan shroud 6 play the role of it is certain keep out the wind so that from air inlet hole 110 cooling winds entered are assembled under the action of fan shroud 6, as much as possible to blow to fever member from fan outlet 62 Part.If the plane where the bottom end of the side wall 61 of fan shroud 6 to be set above to the plane where the lower surface of cooling fan 5, It will lead to part wind to blow over from the top of cooling fan 5 and the heater elements such as coil panel 3, circuit board assemblies 4 can not be blowed to, cause The air quantity for blowing to heater element becomes smaller, and the utility model is by being lower than the plane at 611 place of bottom end of the side wall 61 of fan shroud 6 Plane where the lower surface of cooling fan 5, or it is concordant with the plane where the lower surface of cooling fan 5, to ensure that Up to the air quantity of the air intake surface of cooling fan 5, heat dissipation effect is further ensured.

In the present embodiment, at least partly exhaust vent 120 be provided with bottom case 1 bottom wall 115 separate cooling fan 5 one Side.More preferred, all exhaust vents 120 are provided with the side of the separate cooling fan 5 of the bottom wall 115 of bottom case 1.Namely It says, the electromagnetic oven of the present embodiment is specially side air inlet bottom outlet air electromagnetic oven.By opening up exhaust vent 120 on the bottom wall of bottom case 1, And make exhaust vent 120 far from cooling fan 5, so that hot wind not only be enabled swimmingly to be discharged from exhaust vent 120, and can avoid The hot wind being discharged from exhaust vent 120 is occurred by the situation that cooling fan 5 sucks in bottom case 1 again；Moreover, exhaust vent 120 is opened up On the bottom wall of bottom case 1, so that user not can be appreciated that exhaust vent 120, can be certain when electromagnetic oven is normally placed or cooked The probability that dust, grease stain etc. are entered to from exhaust vent 120 in bottom case 1 is reduced in degree；In addition, since exhaust vent 120 is more hidden It covers, can prevent user from seeing the device inside bottom case 1 through exhaust vent 120, can also avoid to a certain extent child will be thin Rod-like piece, which stretches to the situation for causing 1 internal components of bottom case impaired in bottom case 1 from exhaust vent 120, to be occurred.Certainly, at other In implementation, exhaust vent 120 can also be opened up on the bottom wall and side wall of bottom case 1.

Exhaust vent 120 specifically may be configured as multiple, and multiple exhaust vents 120 are intervally arranged on the bottom wall 115 of bottom case 1, than Such as, multiple arrangements of exhaust vent 120 are in grid-like, are either arranged into multiple lines and multiple rows or ring-type etc..Each exhaust vent 120 can be The shapes such as bar shaped, circle, the utility model are not construed as limiting this.

Wherein, the region fovea superior of the separate cooling fan 5 of the bottom wall 115 of bottom case 1 forms step 13, and exhaust vent 120 is specific It is provided on the step surface of step 13.The position fovea superior that exhaust vent 120 is arranged in bottom wall 115 by making bottom case 1 forms step, from And the distance between desktop where increasing exhaust vent 120 and electromagnetic oven, further improve the smoothness of outlet air.

When specific implementation, the height h1 of step 13 can be arranged between 5~25mm, that is to say, that going out on step 13 The distance between bottom wall 115 of air holes 120 and bottom case 1 is 5~25mm.By being arranged the height of step 13 in above range It is interior, while improving outlet air smoothness, the thickness of electromagnetic oven will not be made too thick, and can guarantee the aesthetics of electromagnetic oven.

Further, which further includes the wind deflector 8 for being disposed around 5 periphery of cooling fan.Wherein, wind deflector 8 is located at Between air inlet hole 110 and exhaust vent 120.It, can be that is, separated air inlet hole 110 and exhaust vent 120 by wind deflector 8 It avoids interfering between air inlet and the outlet to a certain extent, prevents air inlet hole 110 and the air of exhaust vent 120 from running helter-skelter, guarantee Heat dissipation effect.When specific implementation, wind deflector 8 can be integrally formed with bottom case 1, for example, infusing when bottom case 1 is plastic pan While moulding bottom case 1, wind deflector 8 is formed on bottom case 1.Certainly, wind deflector 8 is also possible to subsequent be mounted on bottom case 1 again.

Wherein, wind deflector 8 specifically may extend between coil panel 3 and circuit board assemblies 4, and wind deflector 8 is by fan outlet 62 points are the first outlet air oral area 621 towards circuit board assemblies 4 and the second outlet air oral area 622 towards coil panel 3.By making Wind deflector 8 extends between coil panel 3 and circuit board assemblies 4, and using wind can flow to according to preset path, so that going out from blower Wind a part that air port 62 is blown out blows to coil panel 3, and a part blows to circuit board assemblies 4, that is, cooling wind increases through cooling fan 5 After pressure, a part of wind is blown out from the first outlet air oral area 621, blows to circuit board assemblies 4, and a part of wind is from the second outlet air oral area 622 Blowout, blows to coil panel 3, so that coil panel 3 and the heat dissipation of circuit board assemblies 4 be made to be effectively ensured.

Wherein, the recessed formation groove 80 in the top of the part of the correspondence coil panel 3 of wind deflector 8, that is to say, that wind deflector 8 Top correspondence coil panel 3 part height it is more lower than the height of the other positions on 8 top of wind deflector, in this way setting can Increase the distance between top and 2 lower surface of panel of wind deflector 8, that is, the size for increasing the second outlet air oral area 622, to protect The air quantity for blowing to coil panel 3 has been demonstrate,proved, wind deflector 8 is avoided to cause certain blocking to the wind for blowing to coil panel 3.

When specific implementation, the groove depth h2 of groove 80 can be arranged between 3mm~20mm.If the groove depth of groove 80 is arranged It is too small, will lead to blow to coil panel 3 air quantity it is too small, the heat dissipation effect of coil panel 3 is influenced, if but setting the groove depth of groove 80 That sets is excessive, will lead to blow to coil panel 3 air quantity it is more, and the opposite air quantity for blowing to circuit board assemblies 4 is too small, leads to circuit The temperature rise of board group part 4 is excessively high, causes the heat dissipation of circuit board assemblies 4 poor, by being arranged the groove depth h2 of groove 80 in above-mentioned model In enclosing, so that the shunting of air quantity is more reasonable, while the heat dissipation effect of coil panel 3 and circuit board assemblies 4 ensure that.

In the present embodiment, the side wall of bottom case 1 is specific can include: along the sequentially connected the first side wall of the circumferential direction of bottom case 1 111, second sidewall 112, third side wall 113 and the 4th side wall 114.Wherein, third side wall 113 and 111 phase of the first side wall can be made To setting, second sidewall 112 is oppositely arranged with the 4th side wall 114, that is to say, that 1 side of being particularly formed as of bottom case of the present embodiment Shape bottom case.Certainly, bottom case 1 may be and be enclosed by the first side wall 111, second sidewall 112, third side wall 113 and the 4th side wall 114 At round or ellipse bottom case.

Wherein, air inlet hole 110 can be provided in second sidewall 112, and cooling fan 5 is arranged close to second sidewall 112, circuit Board group part 4 is arranged between cooling fan 5 and the 4th side wall 114, the setting of coil panel 3 cooling fan 5 and third side wall 113 it Between.

It when normally being cooked using electromagnetic oven, can be, 111 user oriented of the first side wall, that is, be formed as front side Wall；Third side wall 113 is formed as rear wall far from user；Second sidewall 112 and the 4th side wall 114 are respectively formed as left and right The side wall of two sides.

More preferred, exhaust vent 120 specifically includes: being provided with close 4th side wall 114 of the bottom wall 115 of bottom case 1 Second exhaust vent of the first exhaust vent 1202 and the side of the close third side wall 113 for the bottom wall 115 for being provided with bottom case 1 of side 1201.That is, cooling wind, after the pressurization of cooling fan 5, a part of wind blown out from fan outlet 62 is to circuit board Component 4 after taking away the heat of circuit board assemblies 4, is directly blown out from the first exhaust vent 1202, meanwhile, from fan outlet 62 A part of wind of blowout is to coil panel 3, after the heat of coil panel 3 is taken away, directly blows out from the second exhaust vent 1201, thus Make to substantially form two heat dissipation wind channels in bottom case 1, shorten hot wind flows through path, and hot wind is enabled to blow out electromagnetism faster Furnace exterior further improves radiating efficiency.

In the present embodiment, the close side of 4th side wall 114 and the bottom wall 115 of bottom case 1 of the bottom wall 115 of bottom case 1 The side of close third side wall 113 be each formed with the step 13 of fovea superior, the first exhaust vent 1202 and the second exhaust vent 1201 divide It is not provided on the step surface of corresponding step 13.First exhaust vent 1202 is specifically as follows multiple, multiple first exhaust vents 1202 can arrange along the step surface at place in grid-like, and the second exhaust vent 1201 is specifically as follows multiple, multiple second exhaust vents 1201 can arrange along the step surface at place in grid-like.

Certainly, in other implementations, the first exhaust vent 1202 can also be only set, alternatively, the second outlet air is only arranged Hole 1201.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (12)

1. a kind of electromagnetic oven, including bottom case (1) and the cooling fan (5), coil panel (3) and the electricity that are located in the bottom case (1) Road board group part (4) offers air inlet hole (110) and exhaust vent (120) on the bottom case (1), which is characterized in that the air inlet hole (110) it is provided on the side wall of the bottom case (1)；

The region being connected on the bottom wall (115) of the bottom case (1) with the air inlet hole (110) is formed as Chu Fengqu (100), described It protrudes to form first boss in the lower section for being positioned against the bottom case (1) of the correspondence Chu Fengqu (100) of bottom wall (115) (101)。

2. electromagnetic oven according to claim 1, which is characterized in that the lower surface of the cooling fan (5) is formed as entering the wind The upper surface in face, the cooling fan (5) is formed as outlet air surface；

It protrudes to form second in the lower section for being positioned against the bottom case (1) of the correspondence cooling fan (5) of the bottom wall (115) Boss (102)；The second boss (102) is connected to the first boss (101).

3. electromagnetic oven according to claim 2, which is characterized in that the area of the second boss (102) is not less than described Projected area of the cooling fan (5) on the bottom wall (115) of the bottom case (1).

4. electromagnetic oven according to claim 2, which is characterized in that the sinking height of the first boss (101) and described The sinking height of second boss (102) is consistent；

Sinking height (d) range of the first boss (101) and the second boss (102) is 3mm~20mm.

5. electromagnetic oven according to any one of claims 1 to 4, which is characterized in that at least partly described exhaust vent (120) is opened It is located at the side far from the cooling fan (5) of the bottom wall (115) of the bottom case (1).

6. electromagnetic oven according to claim 5, which is characterized in that the bottom wall (115) of the bottom case (1) is dissipated far from described The region fovea superior of air-heater (5) forms step (13), and the exhaust vent (120) is provided on the step surface of the step (13)；

Height (h1) range of the step (13) is 5mm~25mm.

7. electromagnetic oven according to any one of claims 1 to 4, which is characterized in that be covered with wind on the cooling fan (5) Hood (6), the side towards the air inlet hole (110) of the fan shroud (6), which is formed with, to be connected to the air inlet hole (110) Air inlet, the fan shroud (6) have wind towards the side of the coil panel (3) and/or the circuit board assemblies (4) Machine air outlet (62).

8. electromagnetic oven according to claim 7, which is characterized in that the fan shroud (6) has side wall (61), the blower It covers between having between the bottom of the side towards the air inlet hole (110) and the bottom wall of the bottom case (1) of the side wall (61) of (6) Gap, the gap are formed as the air inlet.

9. electromagnetic oven according to claim 7, which is characterized in that be formed with second on the bottom wall (115) of the bottom case (1) When boss (102),

The distance between the bottom wall of the second boss (102) and the bottom end of side wall (61) of the fan shroud (6) (h3) range For 5mm~25mm.

10. electromagnetic oven according to claim 7, which is characterized in that further include being disposed around the cooling fan (5) periphery Wind deflector (8), and the wind deflector (8) is between the air inlet hole (110) and the exhaust vent (120)；

The wind deflector (8) extends between the coil panel (3) and the circuit board assemblies (4)；The wind deflector (8) is by institute Fan outlet (62) is stated to be divided into towards the first outlet air oral area (621) of the circuit board assemblies (4) and towards the coil Second outlet air oral area (622) of disk (3).

11. electromagnetic oven according to claim 7, which is characterized in that further include being disposed around the cooling fan (5) periphery Wind deflector (8)；

The recessed formation groove (80) in the top of the part of the correspondence coil panel (3) of the wind deflector (8).

12. electromagnetic oven according to any one of claims 1 to 4, which is characterized in that the side wall of the bottom case (1) includes: edge The sequentially connected the first side wall of circumferential direction (111), second sidewall (112), third side wall (113) and the 4th side of the bottom case (1) Wall (114)；The second sidewall (112) and the 4th side wall (114) are oppositely arranged, and the third side wall (113) is connected to Between the second sidewall (112) and the 4th side wall (114)；

The air inlet hole (110) is provided on the second sidewall (112), and the cooling fan (5) is close to the second sidewall (112) it is arranged, the circuit board assemblies (4) are arranged between the cooling fan (5) and the 4th side wall (114), described Coil panel (3) is arranged between the cooling fan (5) and the third side wall (113)；

The exhaust vent (120) includes: close 4th side wall (114) for being provided with the bottom wall (115) of the bottom case (1) The first exhaust vent (1202) of side and/or be provided with the bottom case (1) bottom wall (115) close to the third side wall (113) the second exhaust vent (1201) of side.