CN206284929U - Electric baking machine - Google Patents

Abstract

The utility model discloses a kind of electric baking machine, including housing and the heater being installed in the housing, the housing offers the multiple air inlets for being bordered by the heater, the heat dissipation channel for connecting the air inlet is formed with the housing, multiple air inlets are spaced on the length direction of the heater, and the spread length of multiple air inlets is set into L1, and the length of the heater is set to L2, wherein, 0.5≤L1/L2≤1.1.Electric baking machine good heat dissipation effect of the present utility model.

Description

Electric baking machine

Technical field

The utility model is related to cooking apparatus technical field, more particularly to a kind of electric baking machine.

Background technology

With the electric baking machine of the non-contact thermal of heat radiation mode, it is difficult with food to be burnt during food roasting Jiao, the characteristics of food materials bake rear fresh and tender, and is not likely to produce oil smoke during barbecue, is well received by consumers.

But because electric baking machine is during heat foods, the heater in machine can also radiate substantial amounts of to housing direction Heat, easily raises the skin temperature of electric baking machine, easily causes the aging deformation of case member, also easily injures user.

Utility model content

Main purpose of the present utility model is to provide a kind of electric baking machine, it is intended to reduce the temperature of electric baking machine housing when in use Degree.

To achieve the above object, the utility model proposes electric baking machine, including housing and be installed in the housing Heater, offers air inlet below the heater, the radiating for connecting the air inlet is formed with the housing Passage, the air inlet is arranged on the length direction of the heater, the arrangement length of the air inlet is set into L1, institute The length for stating heater is set to L2, wherein, 0.5≤L1/L2≤1.1.

Preferably, the lower section of the heater has multiple air inlets, and multiple air inlets are in the heating Be intervally arranged on the length direction of device, and multiple air inlets in horizontal plane projection with the heater in horizontal plane Projection at least partly overlap.

Preferably, the heater is provided with two, and two heaters are oppositely arranged, under each heater Side is provided with the air inlet of multiple linear arrangements, and the air inlet in each row air inlet positioned at two ends is away from the corresponding heating The distance of the end of device is equal.

Preferably, the housing includes shell, inner casing and drain pan, and the casing is located at the outside of the inner casing, institute The inner side that heater is installed on the inner casing is stated, the drain pan covers the lower end for being connected to the shell and the inner casing, institute State and the heat dissipation channel is formed between inner casing and the shell, the drain pan offers multiple air inlets, the shell Upper end offers air outlet.

Preferably, lumenal cross-section area of the heat dissipation channel near described air inlet one end is more than near the air-out The lumenal cross-section area of mouth one end.

Preferably, the heater includes reflector and is installed on the radiant heat source of the reflector, the reflection Cover is formed with reflection cavity, and the radiant heat source is located in the reflection cavity.

Preferably, the radiant heat source is infrared lamp.

Preferably, the heater also includes protection window, and the reflection cavity is formed with the first resigning mouthful, the protection window It is covered in the first resigning mouth and surrounds confined space with the reflector.

Preferably, the inner casing includes two long sides, and long side described in is provided with heater described in, and each institute Heater is stated to extend on the length direction of the long side.

Preferably, the electric baking machine also includes grill, and the upper end of the inner casing is formed with the second resigning mouthful, and the grill sets up In the second resigning mouth, and the grill portion be embedded at described second step down it is intraoral.

Preferably, the electric baking machine also includes the oil drain pan located at the drain pan, and the oil drain pan is being located at the grill just Lower section, and the oil drain pan is located at the projected area sizableness of horizontal plane in the projected area and the grill of horizontal plane.

Technical solutions of the utility model form heat dissipation channel by the housing of electric baking machine, and open up connection radiating in housing Multiple air inlets of passage, and multiple air inlet linear array on the length direction of the heater, and by multiple air intakes Mouthful the ratio of length L2 of global alignment length L1 and heater be set to 0.5≤L1/L2≤1.1, by above-mentioned setting, While ensuring that electric baking machine shell structure is consolidated, multiple air inlets can meet the radiating air intake need in electric baking machine heating cooking cycle Ask so that in the electric baking machine course of work hull outside will not temperature it is too high, on the one hand can avoid housing be in higher temperature ring Occur deformation aging phenomenon under border, user on the other hand can be avoided to touch hull outside and be burned, then the peace of electric baking machine Full performance gets a promotion.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the structural representation of the embodiment of the utility model electric baking machine one；

Fig. 2 is the sectional view in the A-B-C sections of electric baking machine in Fig. 1；

Fig. 3 is another viewing angle constructions schematic diagram of electric baking machine in Fig. 1；

Fig. 4 is the cross-sectional structure schematic diagram of electric baking machine in Fig. 1.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Electric baking machine	51	Reflector
10	Shell	53	Radiant heat source
				20	Heat dissipation channel	55	Reflection cavity
22	Air inlet	57	Protection window
				24	Air outlet	60	Closed heat insulation chamber
30	Inner casing	70	Grill
				31	Accommodating cavity	80	Base
50	Heater	90	Oil drain pan

The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment Relative position relation, motion conditions for being only used for explaining between each part under a certain particular pose (as shown in drawings) etc., such as When really the particular pose changes, then directionality indicates also correspondingly to change therewith.

In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected, or be detachably connected, or integrally；Can mechanically connect, also may be used Be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two connections of element internal Or two interaction relationships of element, unless otherwise clearly restriction.For the ordinary skill in the art, can be with Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.

In addition, and can not be managed such as relating to the description of " first ", " second " etc. is only used for describing purpose in the utility model Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical scheme With reference to occur it is conflicting or when cannot realize it will be understood that the combination of this technical scheme does not exist, also not in the utility model It is required that protection domain within.

The utility model proposes a kind of electric baking machine 100.

Incorporated by reference to referring to figs. 1 to Fig. 4, in the embodiment of the utility model one, the electric baking machine 100, including housing (is not marked Show) and heater 50 in the housing is installed on, the lower section of heater 50 offers multiple air inlets 22, in housing The heat dissipation channel 20 of connection air inlet 22 is formed with, multiple air inlets 22 are arranged on the length direction of heater 50, will be many The arrangement length of the individual air inlet 22 is set to L1, and the length of heater 50 is set to L2, wherein, 0.5≤L1/L2≤1.1.

The housing of this electric baking machine 100 includes shell 10, inner casing 20 and drain pan 80, and shell 10 is sheathed on the outer of inner casing 20 Side, heater 50 is installed on the inner side of inner casing 20, and drain pan 80 covers the lower end for being connected to institute's shell 10 and inner casing 30.Shell 10 It is plastic material, and completion is produced by integrated injection molding mode.Inner casing 30 can be stainless steel or aluminum alloy material.Wherein Shell 10 is the framework shape of cuboid, and its upper and lower ends sets opening, and inner casing 30 and heater 50 may be contained within shell 10 In the space for being surrounded.Inner casing 30 is also in frame structure, and the shape of its shape and shell 10 matches.Inner casing 30 can be by multistage gold Category plate head and the tail are spliced to form.Drain pan 80 slidably connects oil drain pan 90, and upper end frame in inner casing 30 is provided with grill 70, roasting in electricity In the course of work of machine 100, heater 50 gives off heating light to the direction of grill 70, and the food to being positioned on grill 70 enters In heating process, the grease of generation can fall and drip in oil drain pan 90 for row non-contact thermal, food such as meat, certainly food The moisture of thing institute band can also be dripped and is collected by oil drain pan 90 in oil drain pan 90.Because oil drain pan 90 and drain pan 80 are the company of slip Connect, can pull out oil drain pan 90 in the side of electric baking machine 100, the greasy dirt on easy cleaning oil drain pan 90.

Technical solutions of the utility model form heat dissipation channel 20 by the shell 30 in electric baking machine 100 and inner casing 10, and Drain pan 80 opens up multiple air inlets 22 of connection heat dissipation channel 20, and multiple air inlets 22 are on the length direction of heater 50 Linear array, and the ratio of the spread length L1 of multiple air inlets 22 and the length L2 of heater 50 is set to 0.5≤L1/L2 ≤ 1.1, by above-mentioned setting, multiple air inlets 22 can meet the radiating air intake demand in the heating cooking cycle of electric baking machine 100, make In the course of work of electric baking machine 100 shell 10 will not temperature it is too high, shell 10 on the one hand can be avoided to be in higher temperature environment It is lower deformation aging phenomenon occur, user on the other hand can be avoided to touch shell 10 and be burned, then the safety of electric baking machine 100 Performance gets a promotion.

The present embodiment offers the air inlet 22 of connection heat dissipation channel 20 in drain pan 80, and the upper end of shell 10 offers connection The air outlet 24 of heat dissipation channel 20.

Air inlet 22 can set in the various shapes such as strip, mounting hole or circle, the uniform intervals of multiple air inlets 22 Put, global alignment is in straight line, and certainly, multiple air inlets 22 can also be arranged in two parallel straight lines, or arrangement is in The curve extended on the length direction of heater 50.The present embodiment multiple arrangement of air inlets 22 is in straight line shape, can be with While ensureing that electric baking machine shell structure is firm, outward appearance is neat beautiful, it is also ensured that enough intakes.

The air that the present embodiment enters in heat dissipation wind channel 20 is blown out upward by the edge of electric baking machine 100.Entered using bottom The mode of wind, can avoid the air inlet 22 of heat dissipation channel 20 by lacking that the food materials set up on grill 70 are produced during barbecue Gauging cigarette enters heat dissipation channel 20, causes the inwall of heat dissipation channel 20 to be covered by greasy dirt, and more difficult cleaning.Meanwhile, this practicality is new The roast machine 100 of type is encircled into heat dissipation wind channel 20 by shell 10, inner casing 30 and drain pan 80, detachable scheme is formed, in electricity The later stage dismounting of roasting machine 100 is more convenient when safeguarding.

Preferred multiple air inlet 22 is at least partly heavy in the projection of horizontal plane with heater 50 in the projection of horizontal plane Close.In this way, by air inlet 22 into heat dissipation wind channel 20 and the cold wind that moves upward, can rapidly and more completely absorb heating dress 50 heats for being transferred to inner casing 30 are put, and is discharged by air outlet 24.

For further improving radiating effect, heater 50 described in the present embodiment is provided with two, two heaters 50 It is oppositely arranged, the lower section of each heater 50 is provided with the air inlet 22 of multiple linear arrangements, each row air inlet 22 In be located at end of the air inlet 22 at two ends away from the corresponding heater 50 distance it is equal.I.e. present embodiment assumes that radiating dress When the end points that the end and correspondence one row air inlet 22 for putting 50 arrange is attached, approximate isosceles-trapezium-shaped is may make up, so The cold wind entered by air inlet 22 can be transferred to the heat of inner casing 30 with more uniform absorption heater 50, and radiating effect enters one Step lifting.

In order to realize preferably radiating effect, lumenal cross-section area of the heat dissipation channel 20 near the one end of air inlet 22 More than the lumenal cross-section area near the one end of air outlet 24.Typically there is the trend of motion upwards due to hot-air, this electricity is baked During the heat foods of machine 100, large quantity of air enters heat dissipation channel 20 by air inlet 22, due in air inlet 22 to air outlet 24 Direction on be that necking is set so that air velocity in heat dissipation wind channel 20 is accelerated, and radiating effect is more preferable.

Further, it is provided with Air Filter (not shown) at the air inlet 22 and/or air outlet 24.By Air Filter Setting can prevent foreign matter from entering in heat dissipation channel 20, be more beneficial for keeping the cleaning in heat dissipation channel 20.

Fig. 3 is refer to, heater 50 includes reflector 51 and is installed on the radiant heat source 53 of reflector 51, reflection Cover 51 is formed with reflection cavity 55, and radiant heat source 53 is located in reflection cavity 55, and the periphery and inner casing 30 of reflector 51 are abutted, reflector The 51 side outer walls and inner casing 30 for deviating from radiant heat source 53 surround closed heat insulation chamber 60 jointly.

The utility model heater 50 carries out heat radiation and food materials is heated, radiant heat by radiant heat source 53 Source 53 is infrared lamp.The cavity of the reflection cavity 55 that reflector 51 is formed generally is inclined upwardly setting, and in cavity Top is provided with the first resigning mouthful, so as to realize the heat leading truck for being given off radiant heat source 53 located at the upper end of inner casing 30 Grill 70, realizes the non-contact thermal of food on grill 70.Wherein reflector 51 can be metal material (such as aluminium alloy) Matrix, and the structure of layer of reflective material (such as zinc coat), reflector 51 are covered towards a side surface of radiant heat source 53 in matrix Can be for integral type platy structure and by being bent to form, or being spliced to form by multi-sheets.The radiant heat of the present embodiment Source 53 can also replace with the structures such as Halogen lamp LED, coiled filament, ceramic heater.

Technical solutions of the utility model form closed by using between the heater 50 and inner casing 30 of electric baking machine 100 Heat-insulation chamber 60, in the heating cooking cycle of electric baking machine 100, on the one hand because the air in closed heat insulation chamber 60 cannot flow, then The heat of the outer surface of heater 50 will not be pulled away because of air flow and cause thermal loss, on the other hand shell 10 in Form air heat insulating layer between heater 50 so that heater 50 produce energy from heat to the direction conduct radiation of shell 10 Power is weakened severely, and also further reduces the heat that heater 50 is radiated to inner casing 30 so that inner casing 30 is towards shell 10 The temperature of side is lower, also causes that inner casing 30 is transferred to the heat of shell 10 less, reduce further the temperature of shell 10, makes Obtaining the risk being burned during user's touch 100 shell 10 of electric baking machine is further reduced, and user is near electric baking machine 100 When will not also feel excessively hot so that the using effect of electric baking machine 100 is more preferably.

It should be understood that the present embodiment can also be provided with sealing ring at the abutting of reflector 51 and inner casing 30, wherein close Seal can be resistant to elevated temperatures plastic material, so can form flexible buffer in the junction of heater 50 and inner casing 30, During carrying electric baking machine 100, the heater 50 with radiant heat source 53 is more difficult to be damaged because of collision, while also may be used To improve the sealing in closed heat insulation chamber 50, and also reduction reflector 51 is conducted to the heat of inner casing 30 by contact heat transfer Amount, so that the heat that this electric baking machine 100 is radiated to the direction in addition to the direction of grill 70 is further reduced, the heat of electric baking machine 100 Utilization rate is got a promotion, and heating effect is further improved.

The present embodiment surrounds closed heat insulation chamber 60 using the outer wall and inner casing 30 of reflector 51, realize to heater 50 to The obstruct of the direction radiations heat energy of shell 10, while simple structure, also improves the efficiency of heating surface of electric baking machine 100.

In order to further reduce the heat that heater 50 is radiated to the direction of shell 10, the efficiency of heating surface of shell 10 is reduced. The present embodiment inner casing 30 is coated with reflecting layer (sign) towards the surface of reflector 51, and the reflecting layer is zinc coat or aluminizes Layer.

Reflecting layer is coated towards the surface of reflector 51 by inner casing 30, then heater 50 is radiated to the direction of shell 10 Heat can be reflected back by inner casing 30, add a reflector again equivalent on the basis of closed heat insulation chamber 60 is set, The loss of heat is so further reduced, the efficiency of heating surface of electric baking machine 100 is improved.

The present embodiment heater 50 also includes protection window 57, and reflection cavity 55 is formed with the first resigning mouthful (sign), protects Shield window 57 is covered in the first resigning mouthful and surrounds confined space with reflector 51.

The protection window 57 is preferably glass material.What on the one hand the setting of protection window 57 can be sent to radiant heat source 53 Light (such as ultraviolet) is filtered, harm of the harmful light that reduction radiant heat source 53 sends to human body, is improve this electricity and is baked The security of machine 100, on the other hand protection window 57 and reflector 51 surround confined space, environment of the radiant heat source 53 in closing It is interior, during heat foods, under drop to the oil droplet or moisture of oil drain pan 90 and will not be sputtered onto on radiant heat source 53, so avoid The corrosion of oil droplet or moisture to radiant heat source 53, improves the service life of electric baking machine 100.

From above-mentioned content, inner casing 30 is the frame structure being adapted with shell 10, and inner casing 30 includes two long sides, Heater 50 is provided with two, and heater 50 described in is installed on long side described in, and each heater 50 exists Extend on the length direction of the long side.The heater 50 of inner casing 30 and two surrounds accommodating cavity 31, two heaters 50 Opposite sides in accommodating cavity 31.Meanwhile, heat dissipation wind channel 20 is also formed in the opposite sides of shell 10 and inner casing 30, i.e., one Side heater 50 is correspondingly arranged a heat dissipation wind channel 20, realizes the effective radiating in the course of work of electric baking machine 100.

On the one hand electric baking machine of the present utility model 100 causes barbecue rack 70 by two heaters 50 being oppositely arranged On food realize that opposite sides is heated simultaneously, food is heated evenly, and the food quality of finished obtained after barbecue is excellent, the opposing party Face also improves the efficiency of heating surface of food.

The upper end of the present embodiment inner casing 30 is formed with the second resigning mouthful (sign), and grill 70 is set up in into the second resigning mouthful Place, and to be embedded at the second resigning intraoral the part of grill 70.It is intraoral by the way that the part of grill 70 is embedded at into the second resigning, on the one hand may be used To lift the steadiness of the mounted configuration of grill 70, on the other hand, the heat that two heaters 50 are given off is also more It is gathered on grill, then the efficiency of heating surface to food on grill 70 is further lifted.

In order to improve the oily effect that connects of oil drain pan 90, oil drain pan 90 is located at the grill to electric baking machine of the present utility model 100 70 underface, and oil drain pan 90 is located at the projected area sizableness of horizontal plane in the projected area and grill 70 of horizontal plane. So having grease and moisture of the drippage of the food on grill 70 etc. can directly fall within oil drain pan 90.Wherein oil drain pan 90 and bottom Being slidably connected for shell 80, can set chute by the both sides of drain pan 80, and the both sides periphery of oil drain pan 90 is embedded in chute, And breach is set in the bottom of shell 10, the end of oil drain pan 90 is located at indentation, there, and oil drain pan 90 is realized in manually push-and-pull End passes in and out accommodating cavity 31 so that the cleaning operation of electric baking machine 100 is easy.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims (11)

1. a kind of electric baking machine, it is characterised in that including housing and the heater being installed in the housing, the heating Air inlet is offered below device, the heat dissipation channel for connecting the air inlet is formed with the housing, the air inlet exists Arranged on the length direction of the heater, the arrangement length of the air inlet is set to L1, the length of the heater L2 is set to, wherein, 0.5≤L1/L2≤1.1.

2. electric baking machine as claimed in claim 1, it is characterised in that the lower section of the heater has multiple air intakes Mouthful, multiple air inlets are intervally arranged on the length direction of the heater, and multiple air inlets are in horizontal plane Projection of the projection with the heater in horizontal plane at least partly overlap.

3. electric baking machine as claimed in claim 2, it is characterised in that the heater is provided with two, two heater phases To setting, the air inlet of multiple linear arrangements, each row air inlet middle position are provided with below each heater Distance in the end of the air inlet away from the corresponding heater at two ends is equal.

4. electric baking machine as claimed in claim 1, it is characterised in that the housing includes shell, inner casing and drain pan, described outer Valve jacket is installed on the inner side of the inner casing located at the outside of the inner casing, the heater, and the drain pan is covered and is connected to institute The lower end of shell and the inner casing is stated, the heat dissipation channel is formed between the inner casing and the shell, the drain pan is offered Multiple air inlets, the upper end of the shell offers air outlet.

5. electric baking machine as claimed in claim 4, it is characterised in that inner chamber of the heat dissipation channel near described air inlet one end Cross-sectional area is more than the lumenal cross-section area near described air outlet one end.

6. the electric baking machine as described in any one in claim 1 to 5, it is characterised in that the heater include reflector, And the radiant heat source of the reflector is installed on, the reflector is formed with reflection cavity, and the radiant heat source is located at described anti- Penetrate in chamber.

7. electric baking machine as claimed in claim 6, it is characterised in that the radiant heat source is infrared lamp.

8. electric baking machine as claimed in claim 6, it is characterised in that the heater also includes protection window, the reflection cavity The first resigning mouthful is formed with, the protection window is covered in the first resigning mouth and surrounds confined space with the reflector.

9. electric baking machine as claimed in claim 4, it is characterised in that the inner casing includes two long sides, long side peace described in Extend on the length direction of the long side equipped with heater described in, and each heater.

10. electric baking machine as claimed in claim 4, it is characterised in that the electric baking machine also includes grill, the upper end shape of the inner casing Into there is the second resigning mouthful, the grill is set up in the second resigning mouth, and the grill portion is embedded at described second and steps down It is intraoral.

11. electric baking machines as claimed in claim 10, it is characterised in that the electric baking machine also includes connecing oil located at the drain pan Disk, the oil drain pan is located at the underface of the grill, and the oil drain pan in the projected area of horizontal plane and grill position In the projected area sizableness of horizontal plane.