CN209310068U - Electromagnetic oven - Google Patents

Abstract

The utility model provides an induction cooker, which comprises a bottom shell (1), wherein a heat radiation fan (5), a coil panel (3), a circuit board assembly (4) and a lamp panel are arranged in the bottom shell (1), an air inlet hole and an air outlet hole (120) are arranged on the bottom shell (1), and the part of the bottom surface (111) of the bottom shell (1) is recessed towards the inner cavity of the bottom shell (1) to form an upper concave area (10); go up concave region (10) and have first lateral wall (103) and second lateral wall (104), the fresh air inlet includes first fresh air inlet (101), first fresh air inlet (101) are seted up on one of first lateral wall (103) and second lateral wall (104), the height that the bottom of another one of first lateral wall (103) and second lateral wall (104) was located is not higher than the height that the bottom of first fresh air inlet (101) was located to reduce the probability that desktop ponding is inhaled in the drain pan, and when guaranteeing effective heat dissipation, make first fresh air inlet difficult to see.

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 include that bottom case, the panel on bottom case, the cooling fan in bottom case inner cavity, coil panel, Circuit board assemblies and lamp plate.Wherein, coil panel and circuit board assemblies etc. are main heater element, and cooling fan is used for as hair Thermal element heat dissipation.Air inlet hole and exhaust vent are offered on bottom case, wherein air inlet hole is provided on the bottom wall of bottom case.Electromagnetism furnaceman When making, the cooling wind outside electromagnetic oven is entered in bottom case in the effect of cooling fan from the air inlet hole on bottom case bottom wall, by line The heat of the heater elements such as circle disk, circuit board assemblies is taken away, and then hot wind is blown out from exhaust vent 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 drop Low desktop ponding is inhaled into the probability in bottom case, and while guaranteeing effectively heat dissipation, makes the air inlet hole positioned at electromagnetism furnace bottom It is not easy to be seen.

To achieve the goals above, the utility model provides a kind of electromagnetic oven, including bottom case, is equipped with heat dissipation in the bottom case Blower, coil panel, circuit board assemblies and lamp plate offer air inlet hole and exhaust vent, the bottom surface of the bottom case on the bottom case The inner cavity for being partially toward the bottom case be concavely formed recessed area；

The upper recessed area has the first side wall being oppositely arranged and second sidewall, and the air inlet hole includes the first air inlet hole, First air inlet hole is provided on one of the first side wall and the second sidewall, and the first side wall and institute Height where stating wherein another bottom end of second sidewall is not higher than the height where the bottom end of first air inlet hole.

The electromagnetic oven of the utility model, by making the inner cavity for being partially toward bottom case of bottom surface of bottom case be concavely formed fovea superior Area, and the first air inlet hole is opened up on one of the first side wall of upper recessed area and second sidewall, in electromagnetic oven work, electricity The cooling wind of magnetic furnace exterior enters in bottom case under the action of cooling fan from the first air inlet hole, and then blows to coil panel, electricity The heater elements such as road board group part, heat dissipation of the realization to heater element, are arranged on the side wall of upper recessed area due to the first air inlet hole, That is, the height where the first air inlet hole is higher than the height where the bottom wall of bottom case, therefore, desktop can be prevented to a certain extent On ponding from the first air inlet hole be sucked into the situation in bottom case occur；Simultaneously as its of the first side wall and second sidewall In height where another bottom end not higher than the height where the bottom end of the first air inlet hole, that is, the first side wall and second sidewall Wherein another bottom end where height it is lower, therefore, when user is cooked using electromagnetic oven or user is from electromagnetism furnace side From the point of view of face, with can't see the first air inlet hole per family, to realize the hidden of the first air inlet hole while guaranteeing effectively air inlet Hiding, that is, the concealed air inlet for realizing electromagnetism furnace bottom to a certain extent improves the aesthetic appearance of electromagnetic oven.

Optionally, the bottom surface of the bottom case includes bottom wall, and the upper recessed area is partially toward the bottom case for the bottom wall Inner cavity it is recessed and formed；

Alternatively, the bottom surface of the bottom case includes bottom wall and the side wall that is upwardly extended by the circumferential direction of the bottom wall, the side Wall has tilting section, and the inner cavity for being partially toward the bottom case of at least partially described tilting section of the upper recessed area is recessed and shape At.

Optionally, the lower surface of the cooling fan is formed as air intake surface；

Height where the top of first air inlet hole is not higher than the height where the air intake surface of the cooling fan.

If the plane where the top of the first air inlet hole to be set above to the plane where the lower surface of cooling fan, meeting Cause the part cooling wind entered from the first air inlet hole that can not reach the air intake surface of cooling fan, drops the utilization rate of cooling wind It is low, cause the air quantity for blowing to heater element to become smaller.Plane where top of the utility model by making the first air inlet hole is lower than Plane where the lower surface of cooling fan, or it is concordant with the plane where the lower surface of cooling fan, to guarantee from first Air inlet hole enters to the air intake surface as much as possible for reaching cooling fan of the cooling wind in bottom case, is pressurized after-blow by cooling fan To heater element, to ensure that the air quantity for blowing to heater element, the heat dissipation effect of heater element is further improved.

Optionally, the first side wall is provided in the second sidewall close to user setting, first air inlet hole.

Make air inlet more smooth in this way.

Optionally, at least partly described second sidewall is disposed around the periphery of the cooling fan；

At least partly described first air inlet hole is provided with the periphery for being disposed around the cooling fan of the second sidewall On part.

Make the first air inlet hole closer apart from cooling fan in this way, shorten the access path of cooling wind, makes cooling wind energy Enough air intake surfaces for more rapidly reaching cooling fan.

Optionally, the part at least offering first air inlet hole of the second sidewall be located at the cooling fan and Between the lamp plate.

Due to when electromagnetic oven works, the heat very little of lamp plate region, by make upper recessed area offer first into The second sidewall of air holes is between cooling fan and lamp plate, so that entering to the cold of cooling fan air intake surface from the first air inlet hole But air temperature is lower, to further improve heat dissipation effect；Moreover, because the space of lamp plate region is relative to coil Space where disk, circuit board assemblies is more abundant, makes the second sidewall of recessed area between cooling fan and lamp plate, and can avoid should Side wall causes to interfere to other components in bottom case, and the first air inlet hole open up it is more convenient.

Optionally, the part at least offering first air inlet hole of the second sidewall be located at the cooling fan and Between the coil panel；

Alternatively, the part at least offering first air inlet hole of the second sidewall is located at the cooling fan and institute It states between circuit board assemblies.

Optionally, the second sidewall and the bottom wall of the bottom case are mutually perpendicular to.

It is easier to be opened in this way, and makes air inlet more smooth, while making the ponding on desktop more difficult from second The first air inlet hole on side wall enters in bottom case.

Optionally, the fovea superior area is located at the position corresponding with the lamp plate of the bottom surface of the bottom case.

Regional space as where lamp plate is well-to-do, and upper recessed area is arranged in the position corresponding with lamp plate of bottom case bottom surface It sets, so that opening up for upper recessed area is more convenient, the other component in bottom case will not be caused to interfere；Moreover, because electromagnetism furnaceman When making, the heat very little of lamp plate region, by keeping upper recessed area corresponding with lamp plate position, so that from the first of upper recessed area The temperature for the cooling wind that air inlet hole enters is lower, to further improve heat dissipation effect.

Optionally, guide vane is provided on first air inlet hole.

Air inlet is oriented to by guide vane, makes extraneous more cooling winds as the rotation of cooling fan imports bottom case It is interior, and keep the entrance of cooling wind more smooth；Moreover, the presence of guide vane can to a certain extent play insect (such as cockroach) It is provided as using to gear, reduces the probability that insect is entered to from the first air inlet hole in bottom case；In addition, since the first air inlet hole is equipped with Guide vane, when user seems from the bottom of electromagnetic oven, guide vane can carry out gear to the sight of user in a certain direction and set, So that user is easily detected by the first air inlet hole and see components in bottom case inner cavity, improves aesthetic appearance and the user of electromagnetic oven Experience sense.

Optionally, the guide vane is obliquely installed along the direction of rotation of the cooling fan.

Make guide vane more preferable to the guide effect of wind in this way, increase intake, further increase blow to coil panel, Heat and wind speed on the heater elements such as circuit board assemblies, to further improve heat dissipation effect.

Optionally, the range of tilt angles of the guide vane is 30 °~60 °.

In the range by the tilt angle setting of guide vane, guide vane is further improved to the guide effect of wind.

Optionally, the length range of the guide vane in their extension direction is 3mm~5mm.

It not only ensure that guide vane to the good guidance of wind, can avoid guide vane and cause to the other component in bottom case in this way Interference, and ensure that cost of manufacture.

Optionally, the air inlet hole further includes the second air inlet hole；

Second air inlet hole is provided on the side wall of the bottom case.

By opening up the second air inlet hole on the side wall of bottom case so that cooling wind outside electromagnetic oven can respectively from first into Air holes and the second air inlet hole enter in bottom case, to increase intake, and then increase and blow to coil panel, circuit board assemblies Air quantity, further improve heat dissipation effect；Moreover, because the second air inlet hole is provided on the side wall of bottom case, that is, the second air inlet Height where hole is higher than the height of the bottom wall of bottom case, therefore the ponding that can avoid on desktop is inhaled into bottom from the second air inlet hole Situation in shell occurs, and has carried out effective protection to the electronic device in bottom case.

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 face upwarding assumption diagram for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 2 is the elevated bottom perspective structure chart for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 3 be equipped in the bottom case of electromagnetic oven that an embodiment of the present invention provides coil panel, circuit board assemblies with And overlooking structure figure when cooling fan；

Fig. 4 is the side block diagram for the electromagnetic oven that an embodiment of the present invention provides.

Description of symbols:

1-bottom case；

110-the second air inlet hole；

120-exhaust vents；

111-bottom surfaces；

112-side walls；

113-bottom walls；

10-upper recessed areas；

101-the first air inlet hole；

102-guide vanes；

103-the first side walls；

104-second sidewalls；

13-lamp plate installing zones；

2-panels；

3-coil panels；

4-circuit board assemblies；

5-cooling fans；

51-flabellums；

52-fan supporters.

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 face upwarding assumption diagram for the electromagnetic oven that an embodiment of the present invention provides；Fig. 2 is the implementation of the utility model one The elevated bottom perspective structure chart for the electromagnetic oven that example provides；Fig. 3 is peace in the bottom case for the electromagnetic oven that an embodiment of the present invention provides Overlooking structure figure when equipped with coil panel, circuit board assemblies and cooling fan；Fig. 4 is what an embodiment of the present invention provided The side block diagram of electromagnetic oven.Referring to figs. 1 to 4, 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 1 inner cavity of bottom case, circuit board assemblies 4, Cooling fan 5 and lamp plate (not shown).Wherein, panel 2 is located at the top of bottom case 1, and panel 2 can be ceramic panel, It is also possible to glass panel, the utility model is not construed as limiting the material of panel 2.

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.On lamp plate settable key, indicator light etc. manipulation device and/or Display device.Illustratively, the region of the close user of bottom case 1 is formed as lamp plate installing zone 13, and lamp plate is mounted on lamp plate peace It fills in area 13.

When being cooked using electromagnetic oven, the cookware for being loaded with food materials is placed on the panel of electromagnetic oven, it is logical to electromagnetic oven Electricity, that is, the electric current for having high frequency flow through coil on coil panel 3, the magnetic force line cutting cookware of generation, thus in the bottom surface of cookware Countless small vortex are formed, to heat to cookware.

Air inlet hole and exhaust vent 120 are offered on bottom case 1, when electromagnetic oven works, the cooling wind outside electromagnetic oven is radiating It is entered in bottom case 1 under the action of blower 5 from air inlet hole, after the pressurization of cooling fan 5, blows to coil panel 3 and circuit board group Part 4 etc. takes away the heat of the heater elements such as coil panel 3 and circuit board assemblies 4, and then hot wind is blown out from exhaust vent 120, thus Realize the heat dissipation of electromagnetic oven.

Circuit board assemblies 4 specifically may include circuit board and radiator, wherein insulated gate bipolar is typically provided on circuit board The electronic components such as transistor (Insulated Gate Bipolar Transistor, abbreviation IGBT) and rectifier bridge stack, IGBT and Rectifier bridge stack fever is very big, therefore by setting radiator, radiator is contacted with the electronic component on circuit board, electronic component hair Heat out is quickly transferred to radiator, is distributed heat by radiator.

It is provided with due to the air inlet hole of the electromagnetic oven of the prior art on the bottom wall of bottom case 1, the bottom wall of bottom case is apart from desktop ratio Relatively close, especially for the electromagnetic oven of thin in profile, the space of bottom wall to desktop is especially narrow, when cooling fan works, holds Easily the ponding etc. on desktop is sucked into bottom case inner cavity, causes the electronic device in bottom case 1 to meet water dampness or short circuit occurs The phenomenon that occur, and then cause electromagnetic oven damage and unsafe accident generation.Based on this, in the present embodiment, bottom case 1 The inner cavity for being partially toward bottom case 1 of bottom surface 111 is concavely formed recessed area 10.Wherein, upper recessed area 10 has first be oppositely arranged Side wall 103 and second sidewall 104, air inlet hole include the first air inlet hole 101, and the first air inlet hole 101 is provided with 103 He of the first side wall In one of second sidewall 104.

When electromagnetic oven work, cooling wind outside electromagnetic oven under the action of cooling fan 5 from the first air inlet hole 101 into Enter to bottom case 1, and then blow to the heater elements such as coil panel 3, circuit board assemblies 4, the heat of heater element is taken away, it is then hot Wind is blown out from exhaust vent 120 to electromagnetic oven.

It is provided with due to the first air inlet hole 101 on the side wall of upper recessed area 10, that is, the height ratio where the first air inlet hole 101 Height where the bottom wall of bottom case 1 wants high, therefore, can prevent ponding on desktop from the first air inlet hole 101 to a certain extent Situation about being sucked into bottom case 1 occurs.

At the same time, in the present embodiment, where wherein another bottom end of the first side wall 103 and second sidewall 104 Height not higher than the first air inlet hole 101 bottom end where height, therefore, user using electromagnetic oven cook when or user From the point of view of electromagnetic oven side, with can't see the first air inlet hole 101 per family, thus while guaranteeing effectively air inlet, the is realized One air inlet hole 101 is hidden, that is, the concealed air inlet for realizing electromagnetism furnace bottom to a certain extent improves electromagnetic oven Aesthetic appearance.

Wherein, the first air inlet hole 101 specifically can be set to multiple, and multiple first air inlet holes 101 are intervally arranged in fovea superior On the side wall in area 10.For example, multiple first air inlet holes 101 are in grid-like along the extending direction arrangement of place side wall, alternatively, arranging In multiple lines and multiple rows etc..First air inlet hole 101 can be bar shaped, be also possible to circle etc., the utility model is to the first air inlet hole 101 Concrete shape and arrangement mode be not especially limited.

In the present embodiment, exhaust vent 120 is specifically provided on the side wall of bottom case 1, for example, exhaust vent 120 is provided with bottom On the side wall of the separate cooling fan 5 of shell 1, in the present embodiment, on the side wall of the close coil panel 3 of bottom case 1 and bottom case 1 Exhaust vent 120 is opened up on the side wall of circuit board assemblies 4, coil panel 3 and the heat of circuit board assemblies 4 are distinguished It is quickly discharged from the exhaust vent 120 closed on, improves radiating efficiency.Certainly, in other implementations, exhaust vent 120 can also To be provided with the position far from the first air inlet hole 101 of the bottom wall of bottom case 1, alternatively, on the bottom wall and/or side wall of bottom case 1 Offer exhaust vent 120.Exhaust vent 120 specifically may be configured as it is multiple, for example, exhaust vent 120 is arranged on the side wall of bottom case is in It is grid-like.The concrete shape of exhaust vent 120 can be bar shaped, circle etc., and the utility model is not construed as limiting this.

Herein it should be noted that in a kind of feasible implementation, the bottom surface 111 of bottom case 1 can refer to the bottom of bottom case 1 Wall 113, that is, upper recessed area 10 is that the inner cavity for being partially toward bottom case 1 of the bottom wall 113 of bottom case 1 is recessed and is formed.Another feasible Implementation in, be also possible to: the bottom surface 111 of bottom case 1 includes bottom wall 113 and is upwardly extended by the circumferential direction of bottom wall 113 Side wall 112, wherein side wall 112 has tilting section, and under this kind of implementation, upper recessed area 10 can be the part court of bottom wall 113 The inner cavity for being partially toward bottom case 1 for being concavely formed tilting section to the inner cavity of bottom case 1 is recessed and is formed or bottom wall 113 part and the part of tilting section are recessed simultaneously towards the inner cavity of bottom case 1 and are formed.It should be noted that bottom surface 111 Side wall 112 can regard at least partly side wall of bottom case 1 as.

In the present embodiment, illustratively, the corresponding bottom wall 113 of a part of upper recessed area 10, the corresponding side wall 112 of a part, That is, upper recessed area 10 be bottom wall 113 part and side wall 112 the common fovea superior in part and formed.

It is understood that the bottom surface 111 of bottom case 1 be partially toward 1 inner cavity of bottom case it is recessed after, in the bottom shape of bottom case 1 At the groove of fovea superior, that is, go up recessed area, the position of respective slot is correspondingly formed lug boss in the inner cavity of bottom case 1.

Wherein, bottom case 1 specifically may include lower cover and the upper cover above lower cover, wherein lower cover include bottom wall and The side wall upwardly extended by bottom wall, upper cover are specially frame shape lid, and the bottom wall of lower cover is the bottom wall of bottom case 1, the side wall shape of lower cover At least partly side wall as bottom case 1.Certainly, in other implementations, being also possible to lower cover includes bottom wall, the bottom of lower cover Wall is the bottom wall of bottom case 1, and the side wall of upper cover forms at least partly side wall of bottom case 1.Alternatively, upper cover includes middle lid and upper cover Body, the side wall of middle lid are formed as at least partly side wall of bottom case 1.

Electromagnetic oven provided in this embodiment, the inner cavity concave-shaped for being partially toward bottom case 1 of the bottom surface 111 by making bottom case 1 The first air inlet hole is opened up at upper recessed area 10, and on one of the first side wall 103 of upper recessed area 10 and second sidewall 104 101, in electromagnetic oven work, the cooling wind outside electromagnetic oven is entered under the action of cooling fan 5 from the first air inlet hole 101 In bottom case 1, and then blow to the heater elements such as coil panel 3, circuit board assemblies 4, realize heat dissipation to heater element, due to first into Air holes 101 is arranged on the side wall of upper recessed area 10, that is, the height where the first air inlet hole 101 is high where than the bottom wall of bottom case 1 Degree wants high, therefore, the ponding on desktop can be prevented to be sucked into the feelings in bottom case 1 from the first air inlet hole 101 to a certain extent Condition occurs；Simultaneously as the height where wherein another bottom end of the first side wall 103 and second sidewall 104 is not higher than first Height where the bottom end of air inlet hole 101, that is, the height where wherein another bottom end of the first side wall 103 and second sidewall 104 Spend lower, therefore, when user is cooked using electromagnetic oven or user is from the point of view of electromagnetic oven side, with can't see first per family Air inlet hole 101, to realize hiding for the first air inlet hole 101, that is, to a certain extent while guaranteeing effectively air inlet The concealed air inlet to electromagnetism furnace bottom is realized, the aesthetic appearance of electromagnetic oven is improved.

It, therefore, can when actual fabrication in addition, the sight of user is normally above electromagnetic oven due in normal culinary art So that the height where the bottom end of the first air inlet hole 101 is not less than preset height, preset height specifically can be according to electromagnetic oven Concrete shape, thickness etc. set so that user in normal culinary art and from electromagnetic oven side can't see first into Air holes 101.

Wherein, cooling fan 5 is specific can include: fan supporter 52 and flabellum 51；Fan supporter 52 has rotor, flabellum 51 It is connected on rotor, fan supporter 52 is fixed on lower lid, and after cooling fan 5 fixes, fan supporter 52 is located at flabellum 51 top.Certainly, fan supporter 52 can also be fixed on lid or be fixed on the lower surface of panel 2, the utility model This is not construed as limiting.In other implementations, it is also possible to the wind that cooling fan 5 includes flabellum and is located at outside flabellum Hood.

When specific implementation, cooling fan 5 can use lower-cost axial flow blower.In the present embodiment, cooling fan 5 Lower surface be formed as air intake surface, the upper surface of cooling fan 5 is formed as outlet air surface.That is, the lower surface of flabellum 51 is air intake surface, The upper surface of flabellum 51 is outlet air surface.

In order to make the cooling wind entered from the first air inlet hole 101 be fully utilized, in the present embodiment, it can specifically make the Height where the top of one air inlet hole 101 is not higher than the height where the air intake surface of cooling fan 5.That is, the first air inlet hole 101 Top where height not higher than flabellum 51 air intake surface lowest part.If due to will be where the top of the first air inlet hole 101 Plane be set above the plane where the lower surface of cooling fan 5, will lead to from the first air inlet hole 101 enter part it is cold But wind can not reach the air intake surface of cooling fan 5, reduce the utilization rate of cooling wind, and the air quantity for blowing to heater element is caused to become It is small.Plane where top of the present embodiment by making the first air inlet hole 101 is lower than 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 guarantee to enter in bottom case 1 from the first air inlet hole 101 The cooling wind air intake surface as much as possible for reaching cooling fan 5 is pressurized after-blow to heater element, to protect by cooling fan 5 The air quantity for blowing to heater element has been demonstrate,proved, the heat dissipation effect of heater element is further improved.

Certainly, in other implementations, the upper surface for being also possible to cooling fan 5 is formed as air intake surface, cooling fan 5 lower surface is formed as outlet air surface.Height where can making the bottom end of the first air inlet hole 101 at this time is not less than cooling fan 5 Upper surface where plane.Alternatively, cooling fan 5 is also possible to centrifugal blower, for example, the lower surface of cooling fan is formed as Air intake surface, wind are blown out from the outer edge of cooling fan.

In the present embodiment, the first side wall 103 is provided with second sidewall 104 close to user setting, the first air inlet hole 101 On, when user is in normal culinary art, alternatively, user from the point of view of the positive side of electromagnetic oven, can't see the first air inlet hole 101, and And be arranged in this way so that air inlet is more smooth, and the first air inlet hole 101 is closer apart from cooling fan 5, keep air inlet path shorter.

It is more preferred, at least partly periphery that is disposed around cooling fan 5 of second sidewall 104.At least partly first air inlet Hole 101 is provided with being disposed around on the part of the periphery of cooling fan 5 of second sidewall 104.It is arranged in this way so that the first air inlet hole 101 It is closer apart from cooling fan 5, the access path of cooling wind is shortened, cooling wind is enable more quickly to reach cooling fan 5 Air intake surface.

In the present embodiment, more preferably, the part position at least offering the first air inlet hole 101 of second sidewall 104 Between cooling fan 5 and lamp plate.Since when electromagnetic oven works, the heat very little of lamp plate region is offered by making The second sidewall 104 of first air inlet hole 101 is between cooling fan 5 and lamp plate, so that entering to from the first air inlet hole 101 scattered The cooling wind temperature of 5 air intake surface of air-heater is lower, to further improve heat dissipation effect；Moreover, because lamp plate region Space it is more abundant relative to coil panel 3,4 place space of circuit board assemblies, make recessed area 10 second sidewall 104 be located at heat dissipation Between blower 5 and lamp plate, it can avoid second sidewall 104 and other components in bottom case 1 caused to interfere, and the first air inlet hole 101 open up is more convenient.

The region entirety or local fovea superior that the correspondence cooling fan 5 of the bottom surface 111 of bottom case 1 can specifically be made form fovea superior Area 10 can also make the region entirety of the correspondence lamp plate of the bottom surface 111 of bottom case 1 or local fovea superior form recessed area 10.

When specific implementation, second sidewall 104 and the bottom wall 113 of bottom case 1 can be made to be mutually perpendicular to.It is easier to be opened in this way, and So that air inlet is more smooth, while making the ponding on desktop more difficult and being entered in bottom case 1 from the first air inlet hole 101.

Wherein, the height of the second sidewall 104 for offering the first air inlet hole 101 of upper recessed area 10 may be provided at 3mm~ 30mm in the range by the height setting of second sidewall 104 not only ensure that the size of the first air inlet hole 101, guarantee effective Air inlet, and the second sidewall 104 is made not cause to interfere to other components in bottom case 1.

Referring to figs. 1 to Fig. 3, in the present embodiment, the bottom surface 111 that upper recessed area 10 is particularly located at bottom case 1 is corresponding with lamp plate Position.Regional space as where lamp plate is well-to-do, and upper recessed area 10 is arranged in the position corresponding with lamp plate of 1 bottom surface of bottom case It sets, so that opening up for upper recessed area 10 is more convenient, the other component in bottom case will not be caused to interfere；Moreover, because electromagnetic oven When work, the heat very little of lamp plate region, by keeping upper recessed area 10 corresponding with lamp plate position, so that from upper recessed area 10 The first air inlet hole 101 enter cooling wind temperature it is lower, to further improve heat dissipation effect.

Specifically can be, second sidewall 104 wherein one section between cooling fan 5 and lamp plate, second sidewall 104 It wherein extends between heater element and lamp plate for another section, in the present embodiment, illustratively, circuit board assemblies 4 are close to lamp plate Setting, coil panel 3 are arranged far from lamp plate, and wherein another section of second sidewall 104 extends between circuit board assemblies and lamp plate.Its In, the radiator of circuit board assemblies 4 is arranged close to cooling fan 5, it can be further ensured that the cooling air quantity for blowing to radiator in this way, Improve the heat dissipation effect of circuit board assemblies 4.Wherein it is possible to only in second sidewall 104 between cooling fan 5 and lamp plate The first air inlet hole 101 is opened up in section, the can also be opened up in the section between heater element and lamp plate of second sidewall 104 One air inlet hole 101 further increases intake so that the region that the first air inlet hole 101 can open up is bigger.

In other implementations, the part position at least offering the first air inlet hole 101 of second sidewall 104 can also be made Between cooling fan 5 and coil panel 3.At this point, can such as make the region of the correspondence cooling fan 5 of the bottom surface 111 of bottom case 1 Wholly or partially fovea superior forms recessed area 10.Alternatively, be also possible to second sidewall 104 at least offers the first air inlet hole 101 part is between cooling fan 5 and circuit board assemblies 4.At this point, the correspondence of the bottom surface 111 of bottom case 1 can such as dissipated The wholly or partially fovea superior in the region of air-heater 5 forms recessed area 10.

Further, guide vane 102 can also be set on the first air inlet hole 101.In the present embodiment, guide vane 102 It is specially multiple.Guide vane 102 can be set on the hole wall of the first air inlet hole 101, also can be set and enters the wind at two first Between hole 101.In the present embodiment, it is logical that the air inlet being connected to the first air inlet hole 101 is formed between two adjacent guide vanes 102 Road, wherein guide vane 102 can be seen as to the hole wall of the first air inlet hole 101.

Specifically, guide vane 102 can be integrally formed with bottom case 1, for example, when bottom case 1 is plastic pan, in injection molding bottom case When 1, guide vane 102 is formed simultaneously on bottom case 1.Certainly, in other implementations, guide vane 102 be also possible to it is subsequent again It is mounted on bottom case 1.

It is oriented to by 102 pairs of air inlets of guide vane, makes extraneous more cooling winds as the rotation of cooling fan 5 imports In bottom case 1, and keep the entrance of cooling wind more smooth；Moreover, the presence of guide vane 102 can be to a certain extent to insect (ratio Such as cockroach) it plays gear and is provided as using, reduce the probability that insect is entered to from the first air inlet hole 101 in bottom case 1；In addition, due to One air inlet hole 101 is equipped with guide vane 102, and when user seems from the bottom of electromagnetic oven, guide vane 102 can be in certain orientation On gear carried out to the sight of user set, so that user is easily detected by the first air inlet hole 101 and see components in 1 inner cavity of bottom case, Improve the aesthetic appearance and user experience of electromagnetic oven.

In order to further increase the wind effect of guide vane 102, it is preferred that specifically guide vane 102 can be made along cooling fan 5 Direction of rotation be obliquely installed so that guide vane 102 is more preferable to the guide effect of wind, increases intake, further increase The heat and wind speed on the heater elements such as coil panel 3, circuit board assemblies 4 are blowed to, to further improve heat dissipation effect.

It is more preferred, the tilt angle of guide vane 102 can be arranged within the scope of 30 °~60 °.It should be noted that When second sidewall 104 is straight side walls section, tilt angle herein is referred between guide vane 102 and second sidewall 104 Angle；When second sidewall 104 is curved wall section, tilt angle herein refers to the folder between guide vane 102 and tangent line Angle, wherein tangent line refers specifically to, the guide vane 102 with where the tie point of second sidewall 104 with second sidewall 104 phase The tangent line cut.

It should be noted that guide vane 102 can also be vertically arranged with second sidewall 104 in other implementations.

Wherein, the length of guide vane 102 in their extension direction may be provided between 3mm~5mm.It not only ensure that in this way Guide vane 102 ensure that cost of manufacture to the good guidance of wind, and can avoid guide vane 102 to other portions in bottom case 1 Part causes to interfere.

With continued reference to Fig. 1 to Fig. 4, in the present embodiment, air inlet hole can also include the second air inlet hole 110, can specifically incite somebody to action Second air inlet hole 110 is provided on the side wall of bottom case 1.By opening up the second air inlet hole 110 on the side wall of bottom case 1, so that electric The cooling wind of magnetic furnace exterior can enter in bottom case 1 from the first air inlet hole 101 and the second air inlet hole 110 respectively, to increase Intake, and then the air quantity for blowing to coil panel 3, circuit board assemblies 4 is increased, further improve heat dissipation effect；Moreover, because Second air inlet hole 110 is provided on the side wall of bottom case 1, that is, the height where the second air inlet hole 110 is higher than the bottom wall of bottom case 1 Degree wants high, therefore can avoid the ponding on desktop and be inhaled into the generation of the situation in bottom case 1 from the second air inlet hole 110, in bottom case 1 Electronic device carried out effective protection.In addition, since cooling wind can be respectively from the first air inlet hole 101 and the second air inlet hole 110 Into in bottom case 1, in that case, if unexpected blocking occurs for the first air inlet hole 101 (or second air inlet hole 110), at this point, Cooling wind can enter in bottom case 1 from the second air inlet hole 110 (or first air inlet hole 101), ensure that the positive constantly inlet wind of electromagnetic oven.

Wherein, the side wall of bottom case 1 is specific can include: along the sequentially connected the first side wall section of the circumferential direction of bottom case 1, second sidewall Section, third side wall sections and the 4th side wall sections, wherein the first side wall section and third side wall sections are oppositely arranged, second sidewall section and the Four side wall sections are oppositely arranged, the first side wall section user oriented, and cooling fan is arranged close to second sidewall section.It is more preferred, it can Second air inlet hole 110 is provided in second sidewall section, that is to say, that general to stand in electricity when user is cooked using electromagnetic oven The front side of magnetic furnace, that is, the first side wall section user oriented, second sidewall section not user oriented, since the second air inlet hole 110 is provided with In second sidewall section, therefore, user culinary art when also can't see the second air inlet hole 110, that is, so that user culinary art when, not only Can't see the first air inlet hole 101, also can't see the second air inlet hole 110, further improve user cook experience and it is concealed into Wind effect.Moreover, the second air inlet hole 110 is provided in second sidewall section, it can avoid user and cause gear to set air inlet.

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 (13)

1. a kind of electromagnetic oven, including bottom case (1), the bottom case (1) is interior to be equipped with cooling fan (5), coil panel (3), circuit board group Part (4) and lamp plate offer air inlet hole and exhaust vent (120) on the bottom case (1), which is characterized in that the bottom case (1) The inner cavity for being partially toward the bottom case (1) of bottom surface (111) is concavely formed recessed area (10)；

The upper recessed area (10) has the first side wall (103) that is oppositely arranged and a second sidewall (104), and the air inlet hole includes the One air inlet hole (101), first air inlet hole (101) are provided with the first side wall (103) and the second sidewall (104) On one of them, and the height where wherein another bottom end of the first side wall (103) and the second sidewall (104) is not Higher than the height where the bottom end of first air inlet hole (101).

2. electromagnetic oven according to claim 1, which is characterized in that the bottom surface (111) of the bottom case (1) includes bottom wall (113), the upper recessed area (10) is that the inner cavity for being partially toward the bottom case (1) of the bottom wall (113) is recessed and is formed；

Alternatively, the bottom surface (111) of the bottom case (1) includes bottom wall (113) and is upwardly extended by the circumferential direction of the bottom wall (113) Side wall (112), the side wall (112) have tilting section, the portion of at least partially described tilting section of the upper recessed area (10) Divide recessed towards the inner cavity of the bottom case (1) and is formed.

3. 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 Face；

Height where the top of first air inlet hole (101) is not higher than the height where the air intake surface of the cooling fan (5) Degree.

4. electromagnetic oven according to claim 1, which is characterized in that the first side wall (103) is described close to user setting First air inlet hole (101) is provided on the second sidewall (104).

5. electromagnetic oven according to claim 4, which is characterized in that the bottom of the second sidewall (104) and the bottom case (1) Wall is mutually perpendicular to.

6. electromagnetic oven according to claim 4, which is characterized in that at least partly described second sidewall (104) is disposed around institute State the periphery of cooling fan (5)；

What at least partly described first air inlet hole (101) was provided with the second sidewall (104) is disposed around the cooling fan (5) Periphery part on.

7. electromagnetic oven according to claim 6, which is characterized in that at least offering for the second sidewall (104) is described The part of first air inlet hole (101) is between the cooling fan (5) and the lamp plate.

8. electromagnetic oven according to claim 6, which is characterized in that at least offering for the second sidewall (104) is described The part of first air inlet hole (101) is between the cooling fan (5) and the coil panel (3)；

Alternatively, the part at least offering first air inlet hole (101) of the second sidewall (104) is located at the radiation air Between machine (5) and the circuit board assemblies (4).

9. electromagnetic oven according to any one of claims 1 to 7, which is characterized in that the upper recessed area (10) is located at the bottom The position corresponding with the lamp plate of the bottom surface (111) of shell (1).

10. electromagnetic oven according to any one of claims 1 to 8, which is characterized in that set on first air inlet hole (101) It is equipped with guide vane (102).

11. electromagnetic oven according to claim 10, which is characterized in that the guide vane (102) is along the cooling fan (5) Direction of rotation be obliquely installed.

12. electromagnetic oven according to claim 11, which is characterized in that the range of tilt angles of the guide vane (102) is 30 °~60 °；

The length range of the guide vane (102) in their extension direction is 3mm~5mm.

13. electromagnetic oven according to any one of claims 1 to 8, which is characterized in that the air inlet hole further includes the second air inlet Hole (110)；

Second air inlet hole (110) is provided on the side wall of the bottom case (1).