CN208804727U - Electromagnetic oven - Google Patents

Abstract

The utility model provides an induction cooker, which comprises a bottom shell (1), a coil panel (3), a circuit board assembly (4), a heat radiation fan (5) and a panel (2) covered on the bottom shell (1); the bottom shell (1) comprises a bottom cover (11) and an upper cover (12) located on the bottom cover (11), the bottom shell (1) and the panel (2) jointly enclose a cavity capable of containing the coil panel (3), the circuit board assembly (4) and the heat dissipation fan (5), an air inlet hole (10) is formed in the bottom shell (1), a fixing structure (6) is arranged on the upper cover (12), the heat dissipation fan (5) is fixed on the upper cover (12) through the fixing structure (6), and the limiting structure (7) is used for limiting a fan line (51) of the heat dissipation fan (5), so that the heat dissipation efficiency of the induction cooker is improved, and the phenomenon that the fan line moves to cause abnormity can be prevented.

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 have many advantages, such as heating quickly, the flames of anger, safe ready, it is more and more popular with consumers and recognize It can.

Electromagnetic oven specifically includes that the panel that bottom case, coil panel, circuit board assemblies, cooling fan and lid are located on bottom case； Wherein, bottom case includes bottom cover and the upper cover on bottom cover；Bottom case and panel surround jointly can accommodate coil panel, circuit board group The cavity of part and cooling fan.In electromagnetic oven work, coil panel and circuit board assemblies etc. are main heater element, heat dissipation Blower is used to radiate for heater element, and the cooling wind outside electromagnetic oven enters under the action of cooling fan from the air inlet hole of bottom case Into electromagnetism furnace chamber.Wherein, cooling fan is mounted on bottom cover, that is, the position of the correspondence cooling fan of bottom cover needs to be arranged For fixing the components of cooling fan.

However, since the position of the correspondence cooling fan of bottom cover needs to be arranged components for fixing cooling fan, zero Component can cause gear to set air inlet to a certain extent, influence intake and intake velocity, the radiating efficiency of electromagnetic oven is caused to drop It is low.

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, Neng Gouti The radiating efficiency of high electromagnetic oven, and the blower line play of cooling fan can be prevented and cause exception.

To achieve the goals above, the utility model provides a kind of electromagnetic oven, including bottom case, coil panel, circuit board assemblies, The panel that cooling fan and lid are located on the bottom case；The bottom case includes bottom cover and the upper cover on the bottom cover, The bottom case and the panel surround the sky that can accommodate the coil panel, the circuit board assemblies and the cooling fan jointly Chamber has air inlet hole on the bottom case, and fixed structure is provided on the upper lid, and the cooling fan passes through the fixed structure It fixes on the cover；The electromagnetic oven further includes the limit knot limited for the blower line to the cooling fan Structure.

The electromagnetic oven of the utility model, by the way that fixed structure is arranged on upper lid, entire cooling fan passes through the fixed knot Structure is installed on the upper cover, since the fixed structure for fixing entire cooling fan is entirely located in upper lid, pair of bottom cover Answer cooling fan that no setting is required for position is any for fixing the fixed structure of cooling fan, thus can avoid fixed structure into Wind causes gear to set, and improves intake and intake velocity, so that the heat dissipation of electromagnetic oven internal heat generation element is faster, improves electromagnetic oven Radiating efficiency.Meanwhile limited by blower line of the position limiting structure to cooling fan, when can prevent cooling fan from working or Blower line play when person's Mobile electromagnetic furnace avoids blower line play and influences the normal work of cooling fan and in bottom case The case where other components interfere, improves the stability of electromagnetic oven work, and avoids blower line due to play The case where causing noise generation.

Optionally, the position limiting structure includes hook, and the blower line card is located in the hook.

Card is carried out to blower line by hook to set, blower line is enable effectively to limit, and structure is simple and limit is reliable.

Optionally, the hook at least two, between being hooked in described at least two on the wiring path of the blower line Every arrangement.

By setting at least two for hook, at least two hooks is made to be intervally arranged on the wiring path of blower line, It is limited so as to the different location to blower line, further improves the stability of blower line.

Optionally, the opening direction of two adjacent hooks is opposite.

By the way that the opening direction of two adjacent hooks is provided towards opposite direction, can prevent to a certain extent Blower line is deviate from from hook.

Optionally, the position limiting structure further includes support plate, and the hook is arranged in the support plate.

Setting in this way can further improve the structural strength of entire position limiting structure, and make the production of hook more convenient.

Optionally, the position of the correspondence of the support plate hook is offered for keeping off the backstop for setting the blower line Ring, the baffle ring are located at the open side of the hook.

By the way that baffle ring is arranged on the supporting plate, baffle ring is set to be located at the open side of hook, baffle ring can be played to blower Line keeps off the effect set, deviate from blower line will not from hook, further improves the stability of blower line；In addition, by backstop Ring is set as cyclic annular, and while guaranteeing to set blower line gear, the hollow area in the middle part of baffle ring can effectively keep away blower line It allows, blower line card is on the one hand facilitated to enter in hook, on the other hand can avoid that blower line is caused to squeeze.

Optionally, the edge of the hook the baffle ring projection in the plane be located at the baffle ring inner edge Inside.

Blower line is made to be easier to be caught in hook in this way, and it is more preferable to set effect to the gear of blower line, and is easy production.

Optionally, the position limiting structure is arranged on the cover.

Since cooling fan is fixed on upper lid, position limiting structure is arranged on upper lid, so that the cabling of blower line is more It is convenient, and position limiting structure will not cause gear to set to air inlet.

Optionally, the position limiting structure is arranged on the bottom cover, and is located at the outside in the air inlet region of the bottom cover.

Setting is while realization effectively limits blower line in this way, so that position limiting structure will not cause gear to set to air inlet.

Optionally, the fixed structure includes the first connecting portion of setting on the cover.

Optionally, the position of the first connecting portion is corresponded on the cooling fan, and be provided with can be with the first connecting portion Match the second connecting portion of connection.

By the mutual cooperation of the second connecting portion in the first connecting portion and cooling fan on fixed structure, can will dissipate Air-heater is fixed on lid.

Optionally, the fixed structure includes: the linking arm extended towards the inside of the upper cover, the first connecting portion It is arranged on the linking arm.

By the way that the linking arm towards extension on the inside of upper cover is arranged, so that the fixation to cooling fan is more convenient.

Optionally, the position limiting structure is provided on the linking arm.

In this way can the outgoing line position of blower line to cooling fan limit, further improve the steady of entire blower line It is qualitative.

Optionally, the linking arm is plate.

By setting plate for linking arm, while guaranteeing effectively fixed to cooling fan, reduces linking arm and exist Occupied space on electromagnetic oven cavity heights.

Optionally, the linking arm is column.

Optionally, the linking arm and the upper cover are integrally formed.

To make overall structural strength and stability more convenient, and that improve upper cover and fixed structure in this way.

Optionally, the linking arm at least two, at least two linking arms are arranged at intervals on the upper lid；

At least one described first connecting portion is provided on each linking arm.

By setting at least two for linking arm, multiple positions of cooling fan can be fixed, be further increased The fixed reliability and stability of cooling fan, reduce noise.

Optionally, the linking arm is two, two connections that two linking arms are formed on the cooling fan Line between point passes through the geometric center of the cooling fan.

Setting in this way is so that two tie points are corresponding in the center of gravity two sides of cooling fan, so that cooling fan is more steady, Shaking when cooling fan being avoided to work, reduces noise.

Optionally, the first connecting portion includes the first screw hole, and the second connecting portion includes and first screw hole pair The second screw hole answered, the cooling fan are fixed on by the fastener being threaded through in first screw hole and second screw hole On the upper lid.

In connection, it is directed at the first screw hole on fixed structure with the second screw hole on cooling fan, then by wearing The fastener being located in screw hole can link together cooling fan and fixed structure, easy to connect and reliable.

Optionally, one of them of the first connecting portion and the second connecting portion are buckle, the first connecting portion Another one with the second connecting portion are can be with the card slot or card hole of the buckle snap-fit.

In connection, will buckle perhaps card hole is aligned then buckle is caught in card slot or card hole with card slot, Ji Keshi The fixation of existing cooling fan and fixed structure.

Optionally, at least partly described air inlet hole is provided on the side wall of the close cooling fan of the bottom case；With/ Or, on the bottom wall for the correspondence cooling fan that at least partly described air inlet hole is provided with the bottom cover.

By opening up air inlet hole on the bottom wall of bottom cover and the side wall of bottom case, the face of air inlet hole is further increased Product, and then further improve intake and radiating efficiency.

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 detonation configuration figure for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 2 is the schematic diagram of internal structure of the bottom cover for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 3 is the upper cover for the electromagnetic oven that an embodiment of the present invention provides and the structural schematic diagram of cooling fan；

Fig. 4 is the schematic enlarged-scale view in Fig. 3 at I；

Fig. 5 is the internal structure top view for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 6 is the face upwarding assumption diagram of the upper cover for the electromagnetic oven that an embodiment of the present invention provides；

Fig. 7 is the schematic enlarged-scale view in Fig. 6 at I.

Description of symbols:

1-bottom case；

11-bottom covers；

12-upper covers；

10-air inlet holes；

13-wind-guiding muscle；

14-exhaust vents；

2-panels；

3-coil panels；

4-circuit board assemblies；

41-circuit boards；

42-radiators；

5-cooling fans；

50-second connecting portions；

51-blower lines；

6-fixed structures；

60-linking arms；

601-reinforcing ribs；

61-first connecting portions；

62-glue grooves；

7-position limiting structures；

71-hooks；

72-support plates；

73-baffle rings；

8-lamp plates.

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 detonation configuration figure for the electromagnetic oven that an embodiment of the present invention provides；Fig. 2 is the implementation of the utility model one The schematic diagram of internal structure of the bottom cover for the electromagnetic oven that example provides；Fig. 3 is the upper of the electromagnetic oven that an embodiment of the present invention provides The structural schematic diagram of lid and cooling fan；Fig. 4 is the schematic enlarged-scale view in Fig. 3 at I；Fig. 5 is an embodiment of the present invention The internal structure top view of the electromagnetic oven of offer；Fig. 6 is looking up for the upper cover for the electromagnetic oven that an embodiment of the present invention provides Structure chart；Fig. 7 is the schematic enlarged-scale view in Fig. 6 at I.Shown in referring to Figure 1 to Figure 7, the present embodiment provides a kind of electromagnetic ovens.

The electromagnetic oven includes: bottom case 1, coil panel 3, circuit board assemblies 4, cooling fan 5 and panel 2.Wherein, panel 2 Lid is located at the top of bottom case 1.Bottom case 1 is specific can include: bottom cover 11 and the upper cover 12 on bottom cover 11.Bottom case 1 and panel 2 The cavity that can accommodate coil panel 3, circuit board assemblies 4 and cooling fan 5 etc. is surrounded jointly.Wherein, panel 2 specifically can be glass Glass panel, is also possible to ceramic panel.Panel 2 can be specifically bonded in upper cover 12, wherein can be opened up in the top surface of upper cover 12 Panel 2 is bonded in upper cover 12 by glue groove by the adhesive in glue groove.Certainly, panel 2 can also be connected in upper cover 12.

In a kind of feasible implementation of the present embodiment, bottom cover 11 is specially cavity body structure, that is, bottom cover 11 includes bottom Wall is formed as the side wall of bottom case 1 with the side wall upwardly extended in bottom wall circumferential direction, the side wall of bottom cover 11 is surrounded, and upper cover 12 is specific For frame shape lid, upper cover 12 covers the top for being located at bottom cover 11.

In other implementations, being also possible to bottom cover 11 includes bottom wall, and upper cover 12 has the side wall extended downwardly, on The side wall of lid 12 is formed as at least partly side wall of bottom case 1.Alternatively, it is also possible that upper cover 12 specifically may include middle lid and position Upper cover body on middle lid, upper cover body can be frame shape lid, and middle lid may include being extended downwardly by the edge of upper cover body Side wall, the side wall of middle lid are formed as at least partly side wall of bottom case 1.

Wherein, coil panel 3 and circuit board assemblies 4 are electrically connected, and coil panel 3 specifically includes: coil plate rail and being wound around coil Coil on plate rail.Specifically can be, on coil plate rail have coiling partition, enameled wire along coiling partition winding, thus Coil is formed on coil plate rail.

When being cooked using electromagnetic oven, the cookware for being loaded with food materials is placed on panel 2, is powered to electromagnetic oven, this The electric current of Shi Huiyou high frequency is by the coil on coil panel 3, so that countless closed magnetic field forces are generated, magnetic force line cutting cookware, Countless small vortex are generated in the bottom surface of cookware, to heat to cookware.Since the magnetic line of force that coil energization generates is up and down It is two-way, in order to make the magnetic line of force be gathered in 3 top of coil panel as far as possible, that is, it is directed only to cookware, it, can be with to improve heating efficiency In the bottom of coil plate rail, magnetic stripe is set, magnetic stripe can be matched with the shape of coil plate rail, be guided by magnetic stripe to the magnetic line of force, The magnetic line of force is set to be gathered in 3 top of coil panel.

When electromagnetic oven works, coil panel 3 and circuit board assemblies 4 are main heater element, a large amount of heat can be generated, if hot Amount cannot distribute in time, will lead to coil panel 3 and 4 temperature rise of circuit board assemblies is excessively high, influence the normal use of electromagnetic oven.Cause This, radiates to heater elements such as coil panel 3 and circuit board assemblies 4 by cooling fan 5.

Wherein, there is air inlet hole 10 and exhaust vent 14, work of the cooling wind outside electromagnetic oven in cooling fan 5 on bottom case 1 Entering under from the air inlet hole 10 of bottom case 1, cooling wind blows to coil panel 3 and circuit board assemblies 4 under the action of cooling fan 5, Cooling wind takes away the heat on coil panel 3 and circuit board assemblies 4, then from the blowout of exhaust vent 14 on bottom case 1 to electromagnetic oven It is external.

In the present embodiment, cooling fan 5 specifically can be centrifugal blower.Certainly, in other implementations, radiation air Machine 5 is also possible to axial flow blower, and the utility model is not construed as limiting this, as long as can provide to coil panel 3 and circuit board assemblies 4 Cooling wind radiates to coil panel 3 and circuit board assemblies 4.

Circuit board assemblies 4 are specific can include: circuit board 41 and the radiator 42 on circuit board 41.It is set on circuit board 41 There is electronic component, electronic component is specific can include: insulated gate bipolar transistor (insulated-gate-bipolar Transistor, abbreviation IGBT), the elements such as bridge heap.It is radiated by radiator 42 to circuit board 41, to improve circuit board 41 Radiating efficiency.The heat that electronic component on circuit board 41 issues when working quickly is transferred to radiator 42, cooling fan 5 The cooling wind of blowout takes away the heat of radiator 42, to radiate to circuit board assemblies 4.

Wherein, cooling fan 5 is normally at the side of coil panel 3.In the prior art, cooling fan is specifically fixed on bottom On the bottom cover of shell, the position of the correspondence cooling fan of bottom cover needs that the components for fixing cooling fan are arranged, due to existing The components for fixing cooling fan of technology are arranged in bottom cover, and components can cause to keep off to air inlet to a certain extent If influencing intake and intake velocity.In order to solve this problem, the electromagnetic oven of the present embodiment, it is solid by being arranged in upper cover 12 Determine structure 6, cooling fan 5 is fixed in upper cover 12 by the fixed structure 6 in upper cover 12.

That is, being arranged the fixed structure 6 for being used to fix cooling fan 5 in upper cover 12, that is, entire cooling fan 5 are mounted in upper cover 12 by the fixed structure 6 of upper cover 12, all due to the fixed structure 6 for fixing entire cooling fan 5 In upper cover 12, therefore that no setting is required for the position of the correspondence cooling fan 5 of bottom cover 11 is any for fixing consolidating for cooling fan 5 Determine structure 6, causes gear to set to can avoid 6 pairs of air inlets of fixed structure, intake and intake velocity are improved, so that in electromagnetic oven The heat dissipation of heater element faster, improves the radiating efficiency of electromagnetic oven.

Wherein, cooling fan 5 has blower line 51, and one end of blower line 51 is connected on cooling fan 5, blower line 51 The other end is electrically connected with circuit board 41.In the present embodiment, the other end of blower line 51 is stretched out towards the position of circuit board 41, directly It connects and is connected on circuit board 41.It should be noted that being also possible to the respective operations due to bottom case 1 in other implementations The position in region is typically provided with lamp plate 8, and lamp plate 8 is electrically connected with circuit board 41, the other end of blower line 51 also can connect to On lamp plate 8, since lamp plate 8 is electrically connected with circuit board 41, the other end and circuit board 41 of same achievable blower line 51 Electrical connection.

When specific implementation, electrical interface can be set on lamp plate 8 or circuit board assemblies 4, by the other end of blower line 51 It is plugged on and being electrically connected for blower line 51 and circuit board assemblies 4 or lamp plate 8 can be realized on the electrical interface.

Since blower line 51 has certain length, when cooling fan 5 works, or in Mobile electromagnetic furnace, blower Line 51 can shake perhaps play when blower line 51 shakes or when play, can cause shadow to the normal work of cooling fan 5 It rings, and other components in electromagnetism furnace chamber can be interfered, so as to cause exception, be based on this, the electricity of the present embodiment Magnetic furnace further includes the position limiting structure 7 limited for the blower line 51 to cooling fan 5.

Blower line 51 is limited by position limiting structure 7,51 play of blower line can be prevented to a certain extent, avoid wind 51 play of machine line and other components of cooling fan 51 and electromagnetism furnace chamber are impacted.

Electromagnetic oven provided in this embodiment, by the way that fixed structure 6 is arranged in upper cover 12, entire cooling fan 5 is by being somebody's turn to do Fixed structure 6 is mounted in upper cover 12, since the fixed structure 6 for fixing entire cooling fan 5 is entirely located in upper cover 12, Therefore the correspondence cooling fan 5 of bottom cover 11 that no setting is required for position is any for fixing the fixed structure 6 of cooling fan 5, thus Can avoid 6 pairs of air inlets of fixed structure causes gear to set, and improves intake and intake velocity, so that electromagnetic oven internal heat generation element dissipates Heat faster, improves the radiating efficiency of electromagnetic oven.Meanwhile it being limited by blower line 51 of the position limiting structure 7 to cooling fan 5 Position, can prevent cooling fan 5 work when or 51 play of blower line when Mobile electromagnetic furnace, avoid 51 play of blower line and influence to dissipate The normal work of air-heater 5 and the case where interfere to other components in bottom case 1, improves electromagnetic oven work Stability, and avoid the case where blower line 51 causes noise because of play generation.

In the present embodiment, position limiting structure 7 is specifically located in upper cover 12, that is to say, that the present embodiment is used to fix The position limiting structure 7 of the fixed structure 6 of cooling fan 5 and the blower line 51 for limiting cooling fan 5 is arranged at upper cover 12 On, not only gear can be caused to set to avoid to air inlet, improve intake and intake velocity, realize the limit to blower line 51, and So that the cabling of blower line 51 is more convenient.

When specific implementation, position limiting structure 7 includes hook 71, and blower line 51 is fastened in hook 71.By hook 71 to wind Machine line 51 carries out card and sets, so that blower line 51 is effectively limited, structure is simple and limit is reliable.

It is more preferred, hook 71 can be set at least two, at least two hooks 71 walk route in blower line 51 It is intervally arranged on diameter, setting in this way can limit the different location of blower line 51, further improve the steady of blower line 51 It is qualitative.

Wherein, the opening direction of two adjacent hooks 71 can be made on the contrary, for example, in the wiring path along blower line 51 On, for the opening direction of one of hook 71 towards a left side, the opening direction of the hook 71 adjacent with the hook 71, in this way can be towards the right side It prevents blower line from deviating from from hook 71 to a certain extent, further improves the stability of blower line 51.

Specifically, position limiting structure 7 further includes support plate 72, and hook 71 is specifically located in support plate 72, illustratively, branch Fagging 72 is specifically attached on the inner sidewall of upper cover 12.By the way that support plate 72 is arranged, entire position limiting structure 7 can further improve Structural strength, and make the production of hook 71 more convenient.Wherein, support plate 72 can also be integrally formed with upper cover 12, Subsequent reconnection be can be in upper cover 12.

Further, the position of the correspondence hook 71 of support plate 72 is offered for keeping off the baffle ring 73 for setting blower line 51, Baffle ring 73 is located at the open side of hook 71.By the way that baffle ring 73 is arranged in support plate 71, baffle ring 73 is made to be located at hook 71 Open side, baffle ring 73 can play the role of to blower line 51 keep off sets, deviate from blower line 51 will not from hook 71, into one Step improves the stability of blower line 51.In addition, set cyclic annular for baffle ring 73, it is same guaranteeing to set the gear of blower line 51 When, the hollow area at 73 middle part of baffle ring can effectively avoid blower line 51, and blower line 51 is on the one hand facilitated to be caught in hook 71 In, it on the other hand can avoid that blower line 51 is caused to squeeze, effective protection carried out to blower line 51.

Wherein, can make the edge of hook 71 baffle ring 73 in the plane projection be located at 73 inner edge of baffle ring in Side.Blower line 51 is made to be easier to be caught in hook 71 in this way, and it is more preferable to set effect to the gear of blower line 51, and is easy system Make.When specific implementation, baffle ring 73, support plate 72, hook 71 can be made to be integrally formed.

Shown in referring to figure 6 and figure 7, in the present embodiment, specifically there are two hooks 71 for setting in a support plate 72.When So, a hook 71 or two or more also can be set in a support plate 72.

It should be noted that position limiting structure 7 can also be arranged on bottom cover 11.Wherein, position limiting structure 7 can specifically be located at The outside in the air inlet region of bottom cover 11.Setting in this way is while realization effectively limits blower line 51, so that limit knot Structure 7 will not cause gear to set to air inlet.

In addition, position limiting structure 7 can not also include hook 71 in other implementations, for example, position limiting structure 7 includes Bent tabs, one end of tabs are connected in upper cover 12 or on bottom cover 11, and the other end of tabs is bent, when blower line After the completion of cabling, by tabs bending, blower line to be fixed.Wherein, tabs can be multiple, and multiple tabs are in blower line It is intervally arranged on 51 wiring path.

In the present embodiment, fixed structure 6 is specific can include: the first connecting portion 61 in upper cover 12 is arranged in.Radiation air Machine 5 is fixed in upper cover 12 by the first connecting portion 61.

When specific implementation, the position of first connecting portion 61 is corresponded on the cooling fan 5 of the present embodiment, and be provided with can be with first The second connecting portion 50 of the matching connection of interconnecting piece 61, is realized by the interaction of first connecting portion 61 and second connecting portion 50 and is dissipated Fixation between air-heater 5 and upper cover 12.It should be noted that can not also be set on cooling fan 5 in other implementations Second connecting portion 50 is set, only cooling fan 5 is fixed in upper cover 12 by first connecting portion 61, for example, first connecting portion 61 It may include specifically clip, clip is stuck in the periphery of cooling fan 5, thus on the basis for not influencing 5 air inlet and the outlet of cooling fan On, realize the fixation to cooling fan 5.

Shown in referring to Figure 1 to Figure 7, in the present embodiment, fixed structure 6 is specifically included: being extended towards the inside of upper cover 12 Linking arm 60, first connecting portion 61 is specifically located on the linking arm 60.By being arranged towards the company extended on the inside of upper cover 12 Arm 60 is connect, so that more convenient to the fixation of cooling fan 5.For example, linking arm 60 extends towards the top of cooling fan 5, the The lower surface of linking arm 60 is arranged in one interconnecting piece 61.

In the present embodiment, linking arm 60 is specifically as follows plate, that is, linking arm 60 is specially connecting plate, connecting plate One end is connect with upper cover 12, and the other end of connecting plate is towards extending on the inside of upper cover 12.By setting plate for linking arm 60, While guaranteeing effectively fixed to cooling fan 5, occupied space of the linking arm 60 on electromagnetic oven cavity heights is reduced.Into one Step ground, can also be arranged reinforcing rib 601, on connecting plate to enhance the structural strength of connecting plate.

Certainly, in other implementations, linking arm 60 or column, equally achievable consolidating to cooling fan 5 It is fixed.

More preferred, linking arm 60 can be integrally formed with upper cover 12, for example, upper cover 12 is plastic cover, in production When lid 12, integrated injection molding forms linking arm 60 in upper cover 12.Setting is so that total production is more convenient, and improves in this way The overall structural strength and stability of upper cover 12 and fixed structure 6.

In a kind of feasible implementation of the present embodiment, first connecting portion 61 can specifically include the first screw hole.Phase Ying Di, second connecting portion 50 include the second screw hole corresponding with the first screw hole, and cooling fan 5 is by being threaded through the first screw hole and Fastener in two screw holes is fixed in upper cover 12.

Referring to shown in Fig. 3 to Fig. 7, in the present embodiment, first connecting portion 61, which specifically includes, to be arranged on linking arm 60 Stud offers the first screw hole on stud.In connection, stud is aligned with the second screw hole on cooling fan 5, is then passed through The two is fixed together by the fastener being threaded through in the first screw hole and the second screw hole.It is easy to connect and reliable.

Wherein, fastener specifically can be screw, be also possible to Primary-secondary rivet, be also possible to bolt.It is of course also possible to not Stud is set, but directly opens up the first screw hole on linking arm 60.

In another feasible implementation, one of them of first connecting portion 61 and second connecting portion 50 are buckle, The another one of first connecting portion 61 and second connecting portion 50 are can be with the card slot or card hole of the buckle snap-fit.Than Such as, the buckle extended downwardly is provided on linking arm 60, the position of corresponding buckle is provided with card hole or card on cooling fan 5 Slot, to pass through buckle and card slot or the cooperation realization cooling fan 5 of card hole and being reliably fixed for upper cover 12.

In the present embodiment, referring to shown in Fig. 4, position limiting structure 7 is provided on linking arm 60.The blower line of cooling fan 5 51 during from cooling fan 5 to 8 cabling of circuit board 41 or lamp plate, and the position limiting structure 7 on linking arm 60 can be first to wind The outgoing line position of machine line 51 is limited, and the stability of entire blower line 51 is further improved.

Certainly, in other implementations, fixed structure 6 can not also include linking arm 60, but straight in upper cover 12 Setting first connecting portion 61 is connect, for example, first connecting portion 61 is the hook that the inner edge of upper cover 12 is arranged in, the side of cooling fan 5 The card slot that can cooperate with hook or card hole are provided on edge.

Wherein, linking arm 60 can be set at least two, at least two linking arms 60 are arranged at intervals in upper cover 12, often At least one first connecting portion 61 is provided on a linking arm 60.By setting at least two for linking arm 60, in this way may be used Multiple positions of cooling fan 5 are fixed, the fixed reliability and stability of cooling fan 5 is further improved, can subtract Small noise.Wherein, for each linking arm 60, one of first connecting portion 61 on the linking arm 60 can be made to be arranged One end of 12 connecting pin of separate upper cover of linking arm 60 is arranged in the end of the linking arm 60.

In the present embodiment, linking arm 60 is specially two, and the end of each linking arm 60 is respectively arranged with a stud, In a linking arm 60 extend to the side of cooling fan 5, another one linking arm 60 extends to the another of cooling fan 5 Side.Wherein, the end positioned at the linking arm 60 in left side can be along the outer case bending of cooling fan 5, to adapt to the wheel of cooling fan 5 Exterior feature, more convenient connection, and make total more beautiful.

Specifically, the line between two tie points that two linking arms 60 can be made to be formed on cooling fan 5 is by dissipating The geometric center of air-heater 5.Tie point herein can be understood as on first connecting portion 61 and cooling fan 5 on linking arm 60 The link position of corresponding second connecting portion 50.Setting in this way so that two tie points are corresponding in the center of gravity two sides of cooling fan 5, So that cooling fan 5 is more steady, shaking when cooling fan 5 being avoided to work reduces noise.

It should be noted that multiple first connecting portions 61 also can be set on a linking arm 60, for example, multiple first connect Socket part 61 is intervally arranged along the extending direction of linking arm 60, and correspondingly, second connecting portion 50 and first on cooling fan 5 connect Socket part 61 corresponds.The particular number of first connecting portion 61 can be according to the specific development length of linking arm 60 and actual demand Etc. being set.

Wherein, cooling fan 5 specifically may include fan body and Fan casing, and second connecting portion 50 specifically may be provided at wind On casing, for example, opening up screw hole on Fan casing, Fan casing includes upper shell wall and lower shell wall, is corresponded on upper shell wall and lower shell wall Screw hole is offered, the stud on linking arm 60 sequentially passes through the screw hole on shell wall and lower shell wall, then connects by fastener. Alternatively, having the lug outwardly protruded on the outer wall of Fan casing, second connecting portion 50 is specifically located on lug.

When specific implementation, the lower surface bonds of linking arm 60 Yu panel 2 can be made, for example, in the upper surface of linking arm 60 Glue groove 62 is opened up, adhesive can be accommodated in glue groove 62, linking arm 60 is bonded in the lower surface of panel 2 by adhesive.In this way Further improve the overall stability of upper cover 12, fixed structure 6, cooling fan 5, panel 2.Wherein, the glue on linking arm 60 Slot can be connected to the glue groove in upper cover 12.

Glue groove 62 specifically includes gluing slot, and specifically when installation, then dispensing or injecting glue into gluing slot are put panel 2 In upper cover 12, linking arm 60 is made to be bonded in 2 lower surface of panel.In order to avoid in bonding, adhesive is overflowed from gluing slot And arbitrarily flow, the other component in electromagnetism furnace chamber is influenced, excessive glue groove can also be opened up in at least side of gluing slot, is made outer Excessive adhesive enters in excessive glue groove.

Wherein, at least partly air inlet hole 10 is provided on the side wall of close cooling fan 5 of bottom case 1, that is, is provided with bottom cover On 11 side wall, the cooling wind outside electromagnetic oven enters to electromagnetism furnace chamber from the side wall of bottom case 1 under the action of cooling fan 5 In, then blow to the heater elements such as coil panel 3, circuit board assemblies 4.Since the fixed structure 6 for fixing cooling fan 5 is located at In upper cover 12, therefore, fixed structure 6 will not cause gear to set to air inlet.

In other implementations, when bottom cover 11 includes bottom wall, and upper cover 12 includes the side wall that extends downwardly, upper cover 12 Side wall is formed as at least partly side wall of bottom case 1, and when at least partly air inlet hole 10 is provided on the side wall of upper cover 12, above-mentioned is upper It is provided with fixed structure 6 on lid 12, refers specifically to, the top of upper cover 12 is provided with fixed structure 6, that is, fixed structure 6 is specific The top of upper cover 12 is set, and is not arranged on the side wall of upper cover 12, so that gear will not be caused to set to air inlet.

At the same time it can also open up air inlet hole 10 on the bottom wall of bottom cover 11, that is, the position of the correspondence cooling fan 5 of bottom case 1 Bottom wall on.Since the fixed structure 6 for fixing cooling fan 5 is arranged in upper cover 12, fixed structure 6 will not be right Air inlet causes gear to set.

In the present embodiment, open up air inlet hole 10 on the side wall of the bottom wall of bottom cover 11 and bottom case 1, thus increase into Wind area, further improves heat dissipation effect.

Wherein, air inlet hole 10 may include multiple apertures, and aperture can be circular hole, elliptical aperture, polygonal hole etc., the tool of aperture Body quantity and arrangement mode the utility model are not construed as limiting this, and the shapes and sizes of multiple apertures can be identical, can also not Together, it can specifically be set according to actual needs.

In the present embodiment, the exhaust vent 14 on bottom case 1 is specifically provided on the side wall of separate cooling fan 5 of bottom case 1, It can avoid the case where cooling wind entered in electromagnetic oven is directly blown out from exhaust vent 14 in this way.Certainly, exhaust vent 14 It can be set on the bottom wall of bottom case 1.Alternatively, opening up exhaust vent 14 on the bottom wall and side wall of bottom case 1.Exhaust vent 14 can wrap Multiple apertures are included, aperture can be circular hole, elliptical aperture, polygonal hole etc., and the particular number and arrangement mode sheet of aperture are practical new Type is not construed as limiting this, and the shapes and sizes of multiple apertures may be the same or different, and can specifically carry out according to actual needs Setting.

Wherein, wind-guiding muscle 13 can also be set in the air inlet region of bottom cover 11, for example, wind-guiding muscle 13 can be with bottom cover 11 1 It is body formed.It is oriented to by 13 pairs of air inlets of wind-guiding muscle, enters cooling wind in bottom case 1 along certain path, thus into one Step improves intake velocity, and then further improves radiating efficiency.

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 (14)

1. a kind of electromagnetic oven, including bottom case (1), coil panel (3), circuit board assemblies (4), cooling fan (5) and lid are located at institute State the panel (2) on bottom case (1)；The bottom case (1) include bottom cover (11) and be located at the bottom cover (11) on upper cover (12), The bottom case (1) and the panel (2) surround jointly can accommodate the coil panel (3), circuit board assemblies (4) and described The cavity of cooling fan (5) has air inlet hole (10) on the bottom case (1), which is characterized in that be provided on the upper cover (12) Fixed structure (6), the cooling fan (5) are fixed on the upper cover (12) by the fixed structure (6)；

The electromagnetic oven further includes the position limiting structure (7) limited for the blower line (51) to the cooling fan (5).

2. electromagnetic oven according to claim 1, which is characterized in that the position limiting structure (7) includes hook (71), the wind Machine line (51) is fastened in the hook (71).

3. electromagnetic oven according to claim 2, which is characterized in that the hook (71) at least two, at least two institutes Hook (71) is stated to be intervally arranged on the wiring path of the blower line (51).

4. electromagnetic oven according to claim 3, which is characterized in that the opening direction phase of the hook (71) of adjacent two Instead.

5. electromagnetic oven according to claim 2, which is characterized in that the position limiting structure (7) further includes support plate (72), institute Hook (71) are stated to be arranged on the support plate (72).

6. electromagnetic oven according to claim 5, which is characterized in that the correspondence hook (71) of the support plate (72) Position is offered for keeping off the baffle ring (73) for setting the blower line (51), and the baffle ring (73) is located at the hook (71) Open side；

The edge of the hook (71) the baffle ring (73) projection in the plane be located at the baffle ring (73) inner edge Inside.

7. electromagnetic oven according to any one of claims 1 to 6, which is characterized in that the position limiting structure (7) is arranged described In upper cover (12)；

Alternatively, the position limiting structure (7) is arranged on the bottom cover (11), and positioned at the outer of the air inlet region of the bottom cover (11) Side.

8. electromagnetic oven according to claim 1, which is characterized in that the fixed structure (6) includes being arranged in the upper cover (12) first connecting portion (61) on.

9. electromagnetic oven according to claim 8, which is characterized in that correspond to first connection on the cooling fan (5) The position in portion (61) is provided with the second connecting portion (50) that connection can be matched with the first connecting portion (61).

10. electromagnetic oven according to claim 8 or claim 9, which is characterized in that the fixed structure (6) includes: towards on described The linking arm (60) that the inside of (12) extends is covered, the first connecting portion (61) is arranged on the linking arm (60).

11. electromagnetic oven according to claim 10, which is characterized in that be provided with the limit knot on the linking arm (60) Structure (7).

12. electromagnetic oven according to claim 10, which is characterized in that the linking arm (60) is plate；Alternatively, the company Connecing arm (60) is column；

The linking arm (60) and the upper cover (12) are integrally formed.

13. electromagnetic oven according to claim 10, which is characterized in that the linking arm (60) at least two, at least two A linking arm (60) is arranged at intervals on the upper cover (12)；At least one is provided on each linking arm (60) The first connecting portion (61)；

When the linking arm (60) is two, two companies that two linking arms (60) are formed on the cooling fan (5) Line between contact passes through the geometric center of the cooling fan (5).

14. electromagnetic oven according to claim 9, which is characterized in that the first connecting portion (61) includes the first screw hole, institute Stating second connecting portion (50) includes the second screw hole corresponding with first screw hole, and the cooling fan (5) is by being threaded through The fastener in the first screw hole and second screw hole is stated to be fixed on the upper cover (12)；

Alternatively, one of them of the first connecting portion (61) and the second connecting portion (50) are buckle, first connection The another one of portion (61) and the second connecting portion (50) are can be with the card slot or card hole of the buckle snap-fit.