CN209153273U - A kind of air ovens - Google Patents

Abstract

The utility model provides a kind of air ovens, including shell, is equipped with cooking room in the inside of shell and covers on the blast hood above cooking room；Heating device is used to generate heating air-flow；Heating device includes air blast wind wheel and the electric heating tube that is located at below air blast wind wheel, and air blast wind wheel and electric heating tube are each provided at the inside of blast hood；Blower unit comprising the top of motor, the air inducing wind wheel for being located at the blower cover of blast hood upper surface and being located in blower cover, blower cover has air-vent, and motor is located at the upper outer of air-vent；Air blast wind wheel and air inducing wind wheel are coaxially disposed, and are driven by motor, and are rotated synchronously with air inducing wind wheel；Blower cover has exhaust outlet, and blast hood is equipped with moisture outlet, and moisture outlet is located at the air side of air blast wind wheel, and is located at the underface of exhaust outlet.The gas of the utility model discharge has had both the characteristic that the velocity of discharge is fast and discharge temperature is low, and effectively the steam in food manufacturing process can be discharged, improve the texture and mouthfeel of food.

Description

A kind of air ovens

Technical field

The utility model belongs to intelligent appliance field, and in particular to a kind of air ovens.

Background technique

During making food using high temperature air, the air-flow of high temperature can be generated in cooking room, fraction is right , can be by the dehydration contained by food during food is heated, and vaporize and form steam, it is also well known that In the manufacturing process of food, extra steam will affect the texture and mouthfeel of food, especially have burnt crisp taste in production The discharge of food, such as chips, steam is just particularly important.

The mode of conventional discharge steam is in the top of food preparation room setting exhaust outlet, and the air-flow of high temperature is by steam band Out, such as Chinese patent literature CN201520794832.5 discloses a kind of flat air fryer, including upper housing and upper housing The hinged lower case in side；Interior pot is equipped in lower case, the outer wall of interior pot is connected with outer gallbladder, is equipped with fry basket in interior pot；Upper housing Top surface is equipped with steam (vapor) outlet, at least one air inlet, and lower case bottom surface is equipped at least one air outlet；Air inlet, outer gallbladder and under Gap, air outlet between shell form cold wind circulation canal；Gap, steam (vapor) outlet between fry basket and interior pot (form hot wind Circulation canal；It is equipped with steam in upper housing and exports piece, is located in the hot air circulation channel of steam (vapor) outlet.Above-mentioned technical side Steam in case has longer path, and needs to change the direction of steam, the row of individual steam during discharge Speed is lower out, and the discharge mode easy to form to external diffusion is unfavorable for the discharge of steam.

Such as Chinese patent literature CN201620167670.7 discloses a kind of air fryer, including food preparation room again； Air moving device prepares indoor air for moving food to generate air-flow；Heating device, for heating the mobile dress of air The air-flow of generation is set so that the air-flow being heated can heat food；Air filter, air filter are suitable for filtering and come from Air in food preparation room.The air fryer of the utility model can take away the steam generated when culinary art in time, improve culinary art matter Amount.The steam in food preparation room is filtered in above-mentioned technology using air filter, although this mode can will be oily The phenomenon that cigarette is filtered, and realization is to being discharged the cooling of steam, but will cause big structure, resource excess waste, in particular, In the case that present air fryer needs to have relatively small structure, the air filter arrangement of larger structure should not be used.

Based on this, applicant proposes a kind of air ovens, steam in cooking room can be smoothly discharged.

Utility model content

In view of the drawbacks of the prior art, the utility model provides a kind of air ovens, can will generate in cooking room Steam is smoothly discharged.

To achieve the goals above, the utility model provides a kind of air ovens, comprising:

Shell is equipped with cooking room in the inside of shell and covers on the blast hood above cooking room；

Heating device is used to generate heating air-flow；Heating device includes air blast wind wheel and is located at below air blast wind wheel Electric heating tube, air blast wind wheel and electric heating tube are each provided at the inside of blast hood；

Blower unit comprising motor, the air inducing wind for being located at the blower cover of blast hood upper surface and being located in blower cover The top of wheel, blower cover has air-vent, and motor is located at the upper outer of air-vent；

Air blast wind wheel and air inducing wind wheel are coaxially disposed, and are driven by motor, and are rotated synchronously with air inducing wind wheel；

Blower cover has exhaust outlet, and blast hood is equipped with moisture outlet, and moisture outlet is located at the air side of air blast wind wheel, and sets It is placed in the underface of exhaust outlet.

By the above scheme of the utility model it is found that being generated using air blast wind wheel along being followed in cooking room in the utility model The air-flow of ring can be heated, when air-flow passes through electric heating tube to form heating air-flow；Wherein, the flowing of air-flow is heated The air-flow that direction is not flowed straight down along cooking room, a kind of whirlwind there is angle with horizontal plane and vertical plane Air-flow, heating air-flow blows to the side wall of cooking room in a manner of relative tilt, and cooking room lower center position is back to air blast At wind wheel, circulated.

On the one hand, in the manufacturing process of food, motor needs continuous running, and during this, motor can generate larger Heat, since the intracorporal space of shell is limited, be provided with blower unit, for radiating to motor；Wherein, air inducing Device is mainly used for forming the cooling air-flow flowed through from motor surface in shell, and wherein cooling air-flow has very fast flow velocity One-way gas flow, the air flowed through from motor surface are directed to the inside of blower cover, and drain into shell by the exhaust outlet of blower cover Outside.

On the other hand, in food manufacturing process, the temperature in cooking room can be gradually risen to relatively steady state, During this, dehydration contained by food, and vaporize and form steam, in order to which extra steam to be discharged, cooking The top (blast hood) of room is adjusted to be provided with moisture outlet, specifically, moisture outlet is located at the air side of air blast wind wheel, and the row of being located at The underface in air port.Preferably, shell is equipped with grill cover, and exhaust outlet and moisture outlet is completely covered in grill cover, from cooking room Discharge steam (steam is specifically as the high-temperature gas being discharged from cooking room is discharged together) and the cooling that is discharged from blower cover Air-flow is discharged by grill cover, and during discharge, two strands of air-flows are mixed to form one air-flow, is expelled to the outer of shell Portion.

Wherein, the top of blower cover is equipped with electric machine support, and motor is fixed on blower cover by electric machine support, motor with draw Ventilation gap is formed between air port in the height direction, specifically, there is electric machine support biggish air can pass freely through Area, such as electric machine support are triadius type structure, and air flows through from motor surface, inflow blower cover that can be much smoother it is interior Portion；Further, electric machine support is that motor and air-vent provide spacing in the height direction, with the shape between motor and air-vent At ventilation gap, the gas of air-vent upper outer can flow into blower cover from all directions under the forcing of air inducing wind wheel, It should be noted that gas (a large amount of) mainly flow to the inside of blower cover by the surface of motor.

Another kind specific embodiment according to the present utility model is equipped with top cover at the top of shell, along the portion of top cover Edge is divided to be equipped with upper air inlet, air flows into upper air inlet with bottom horizontal flow sheet direction, and flows through motor surface, is drawn from air-vent Enter the inside of blower cover.In order to reduce the resistance of air flowing, upper air inlet has continuous air inlet area in the height direction Domain, and anti-pollution structure is provided at upper air inlet, the inside of utensil, concrete example are entered to avoid water droplet or suspended matter If upper air inlet is not the air inlet structure only along a direction, after air is flowed into along horizontal direction, can along top cover or The part that person's upper housing is contacted with top cover changes flow direction, such as flows downward, hence into the table in shell, flowing through motor Face is introduced into the inside of blower cover from air-vent.Wherein, between top cover and shell by the way of for example snapping connection.

Another specific embodiment according to the present utility model, cooking room have side wall, are formed between side wall and shell Air interlayer, shell are equipped at least one transom being connected with interlayer.It can be with specifically, being provided in the bottom of shell The lower air inlet of air interlayer progress gas exchanges；With the raising of temperature in cooking room production cooking cycle, partial heat meeting It is transferred in air interlayer, in order to avoid the raising of case temperature, is provided with multiple transoms in shell, the gas in air interlayer Body is diffused, and the outside of shell can be expelled to from transom, at this point, partial air can fill into air folder along lower air inlet In layer, dynamic equilibrium state is formed it into.

It should be pointed out that in order to avoid the gas in air interlayer flows into the space above cooking room, cooking room It is provided with liner plate between shell, accommodation space is formd between shell, liner plate and blast hood, and passes through liner plate for accommodation space Completely cut off between air interlayer, the gas in air interlayer will not diffuse to accommodation space, realize the process to radiate respectively.

The bottom of another specific embodiment according to the present utility model, cooking room is equipped with collecting device, collecting device The bottom of cooking room is completely covered；Have in collecting device along its center arrangement and the lug boss that upwardly extends, heats air-flow stream To the bottom section of cooking room, converging from four circumferential central locations for horizontal direction can be approached along collecting device, thus simultaneously It is flowed up after convergence, across the surface of food；It is damaged in cyclic process specifically, lug boss can reduce heating air-flow The energy of mistake, and then make the air-flow for flowing through foodstuff surface heat with higher, heating of the completion to food faster, more evenly Process.Preferably, lug boss has the guide surface along the flow direction setting in collecting device of heating air-flow, wherein guide surface It can be cambered surface, be also possible to inclined-plane.

As a kind of alternative of the utility model above-mentioned technical proposal, it is convex that multiple tetrapyamid shapes are equipped in collecting device It rises, and multiple tetrapyamid shapes protrusion is uniformly located on collecting device, guidance heating air-flow forms uniform, stable rising gas Stream completes the heating process to food.

In order to accelerate gas to flow into the inside of blower cover, the cooling air-flow of very fast flow velocity, air inducing are formed on the surface of motor Cover is internally provided with the air circumferentially and in forced blower cover along air inducing wind wheel along air inducing wind wheel direction of rotation The contour surface of flowing, a kind of example of blower cover are spiral contour surface, and setting contour surface can further exist Stable, according to certain rule flowing, the faster air-flow of flow velocity is generated in blower cover, to realize having inside accommodation space Evil heat (referring specifically to the heat that generation production cooking cycle is not intended to heating food) is quickly expelled to the outside of shell, due to sky Gas discharge is smooth, flow velocity is fast, therefore waste heat can be discharged in time, to keep motor in the lower environment of relative temperature Lower work.

Wherein, the air inducing wind wheel of the projection of contour surface horizontal plane be projection of the air inducing wind wheel in horizontal plane 1.05 to 1.3 times, such as 1.2 times, to accelerate gas quickly to flow and be discharged along the contour surface.

Also a kind of specific embodiment according to the present utility model, shell is equipped with rotary door component, at the bottom of door component Portion is equipped with shaft, and shell is equipped with mounting groove, and shaft is located in mounting groove.Wherein, it is arranged in mounting groove and the cooperation position of shaft It can be displaced the positioning shaft sleeve of (traversing) along the axial direction of shaft, increase the compact journey of cooperation between shaft and mounting groove Degree, specifically, in shaft installation process, outwardly against positioning shaft sleeve, so that shaft can be placed in mounting groove, immediately , positioning shaft sleeve automatically resets, and axial compression oven door submerges shaft in mounting groove completely, in shaft rotation process, Lateral displacement will not occur for oven door, i.e., will not shake in rotation process.

In the utility model, multiple fry baskets setting up and down are equipped in the inside of cooking room, are equipped in side wall for branch Support the support frame of fry basket；Support frame has the supporting surface to cooking room inner inclination, and supporting surface has small between horizontal plane Inclination angle in 45 ° of inclination angle, such as between supporting surface and horizontal plane is 25 °, after heating air-flow is flow on support frame, not will form The air-flow of rebound, but the similar mode reflected is formed towards the flow of food in fry basket.

In above scheme, positioned at upper layer fry basket close to electric heating tube be arranged, can directly be electrically heated pipe radiate into The heating of row food is conducive to the production of upper food, especially compared to using closed electric heating tube (such as in electric heating Partition or air-supply passage are provided between pipe and food) often there is the case where upside is unable to complete the production of food, have Apparent effect.It should be strongly noted that the cooking room in this programme has the space of biggish accommodating food, it can be simultaneously The production of more food is completed, the structure for the fry basket that can easily take out also facilitates the food selection food made as needed The specific placement location of object.

In order to improve the uniformity during heat foods, it is equipped with guide device in the inside sidewalls of cooking room, part adds After thermal current flow to guide device, foodstuff surface is scattered to, wherein guide device includes multiple guide parts, and each guide part is at least With the inclined guide surface in direction for flowing into guide part along heating air-flow；In the present solution, heating air-flow drawing by guide part Effect is led, most of air-flow that heats will continue to be flowed towards original direction or close to original direction, to cooking room In food heated.

Wherein, guide surface can be inclined plane, be also possible to the curved surface of gradual change, and the setting of guide surface is promoted change Part heat air-flow flow direction, partially flow to the heating air-flow of guide surface, rebound along guide surface, with vertical direction it Between angle direction of turning back less than 90 ° continue to flow, ultimately form and be different from the auxiliary of the heating original flow direction of air-flow and add Thermal current flows directly into the surface of food, it is preferred that and angle [alpha] of turning back is less than 90 °, and α can be fixed angle value, It can be the angular range changed along guide surface, angle of turning back here can be understood as turning back angle direction perpendicular to side wall Angle between the projection of place vertical plane and the perpendicular bisector of horizontal plane, that is to say after guide surface, and air-flow is heated in part The angle between flow direction and original flow direction after change.More specifically, heating air-flow is several after guide surface The air-flow of rebound is not generated, and a small amount of heating air-flow nearly forms the flow path of similar refraction；Preferably, the air-flow of rebound The surface of food is flowed to, or with horizontal direction or close to horizontal direction to be in the direction at certain inclination angle with horizontal direction Flow to the surface of food, it is preferred that the range at inclination angle is 0 ° to 30 °, and more specifically, guide part can be cambered surface protrusion, can also Think terrace with edge protrusion, can also be strip bulge.

Further, the cooking room of the utility model additionally provides revolving food production method, is specifically cooking The side wall of room is equipped with rotating cage, rotating cage fixed frame and the driving element for driving rotating cage to rotate, and rotating cage has accommodating food Cage body and the shaft connecting with cage body, shaft one end are connect with driving element, and the other end is located on rotating cage fixed frame, further , rotating cage fixed mount setting is arranged on a side wall of cooking room, and close to the central location of above-mentioned side wall, has specifically included Along the setting of rotating cage placement direction sliding rail and be located at the placing groove of sliding rail end, placing groove is used to support shaft.Rotating cage Mode is very suitable to the production of such as French fries, potato block etc. food, and the overturning of rotating cage can be very good stirring food, add it Heat is more uniform.

The utility model has the beneficial effect that

1, structurally reasonable in the utility model, moisture outlet is located at the exhaust outlet of blower cover, moisture outlet and air draft The steam of mouth discharge is mixed to form one air-flow, is expelled to the outside of shell；

2, the utility model discharge gas had both the fast characteristic low with discharge temperature of the velocity of discharge, can effectively by Steam discharge in food manufacturing process, improves the texture and mouthfeel of food；

3, cooking room heating process is uniform, and the food in cooking room is heated evenly, and the food of production has similar mouthfeel, Be not in the situation that part food materials are burned, part food materials are excessively raw, greatly reduce the use difficulty of user；

4, the utility model adapts to more food, both can be by the way of rotating cage, such as makes French fries, by that can adopt With mode of food fry basket, such as production fried chicken wing etc., meet the production of a variety of foods；

5, the utility model is respectively completed around cooking room in the heat dissipation and cooking room of shell by the way of segmentation heat dissipation The heat dissipation of square accommodation space, heat dissipation effect are obvious.

The utility model is described in further detail with reference to the accompanying drawing.

Detailed description of the invention

It, will be practical new to this in a manner of infinite in order to more clearly understand other feature and advantage of the utility model The embodiment of type carries out exemplary description, in the accompanying drawings:

Fig. 1 is the overall structure diagram of the utility model air ovens embodiment 1；

Fig. 2 is the cross section view of the utility model air ovens embodiment 1；

Fig. 3 is the schematic diagram of the door component of the utility model air ovens embodiment 1；

Fig. 4 is the structural schematic diagram of the blast hood of the utility model air ovens embodiment 1；

Fig. 5 is the structural schematic diagram of the electric machine support of the utility model air ovens embodiment 1；

Fig. 6 is the structural schematic diagram of the blower cover of the utility model air ovens embodiment 1；

Fig. 7 is the schematic illustration of the blower cover of the utility model air ovens embodiment 1；

Fig. 8 is the structural schematic diagram of the upper air inlet of the utility model air ovens embodiment 1；

Fig. 9 is the structural schematic diagram of the lower air inlet of the utility model air ovens embodiment 1；

Figure 10 is the structural schematic diagram of the fry basket of the utility model air ovens embodiment 1；

Figure 11 is the structural schematic diagram of the rotating cage of the utility model air ovens embodiment 1；

Figure 12 is the structural schematic diagram of the collection device of the utility model air ovens embodiment 1；

Figure 13 is the structural schematic diagram of the grill cover of the utility model air ovens embodiment 1；

Figure 14 is the structural schematic diagram of the collection device of the utility model air ovens embodiment 2.

Specific embodiment

In the description of the utility model, it is to be understood that term " on ", "lower", " inside ", " outside ", " upstream ", The orientation or positional relationship of the instructions such as " downstream ", " air side " are orientation based on the figure or positional relationship, are only The utility model for ease of description is not instruction or implies that signified device or feature must have specific side To, be constructed and operated in a specific orientation, for the ordinary skill in the art, cope with the reason that above-mentioned term does broad sense Solution, it is thus impossible to be construed as a limitation of the present invention.

Embodiment 1

Present embodiments provide a kind of air ovens, specifically a kind of portable utensil using thermal current production food, As shown in figs. 1-12, including shell 1, cooking room 2, heating device 3, blower unit 4, collecting device 5, door component 6, carrying dress Set 7 and grill cover 8.

Wherein, shell 1 is vertical structure, and cooking room 2 is located at the inside of shell 1, and shell 1, which has, is looped around cooking room 2 weeks The lateral wall 11 and bottom wall 12 enclosed is equipped with detachable door component 6 in a wherein lateral wall 11, as shown in figure 3, in door group Part 6, which is equipped with, can observe the transparent window 61 that cooking room 2 makes cooking cycle, specifically, the bottom of door component 6 uses shaft 62 Mode and shell 1 be rotatablely connected, be equipped with the mounting groove (not shown) that cooperate with shaft 62 in shell, it is one of to install Slot is equipped with positioning shaft sleeve, and two corners of the lower end two sides of door component 6 are equipped with shaft 62, and shaft 62 is rotatably dispose in mounting groove In；Wherein, positioning shaft sleeve be flexibly positioned axle sleeve, can along traversing a certain distance of axial direction of shaft 62, and After shaft 62 is placed in mounting groove, restore to initial position, and is contacted with door component 6.

Preferably, positioning shaft sleeve is equipped with guide groove close to the side of door component 6, and the slot of guide groove has between vertical direction There are the inclination angle less than 45 °, such as 30 °, shaft 62 slides into mounting groove or take out from mounting groove, this mistake after guide groove Cheng Zhong, the outboard end of shaft 62 and the slot bottom of guide groove offset, and bring it about deformation to squeeze positioning shaft sleeve 12.

Further, it is equipped with microswitch close to the position at the top of door component 6 in shell, is for detecting door component 6 No in running order (locking state), specifically, being equipped with the touch plate 64 of triggering microswitch at the top of door component 6；Work as door It when component 6 is correctly closed, touches plate and offsets with microswitch, and trigger microswitch work.

It is equipped with along its surface in the upper surface of door component 6 to the groove 65 of lower recess, groove 65 is interior to be equipped with sedimentation structure；? Shell is equipped with close to the top of door component 6 to offset with the lower end surface of sedimentation structure and locks door component 6 to the lock of closed state Determine component, locking member is for example including the spring being vertically arranged and the locking level being arranged along spring compression direction；Certain outer Power drives down, and door component 6 is i.e. openable, without additional control button, under no external force or the smaller situation of external force, and door group Part 6 is locked.

In order to facilitate door component 6 is opened and closed, handle 63 and handle are equipped in the top of 6 transparent window 61 of door component Lateral adaptation manpower structure dented space in 63；Wherein, it is additionally provided with illuminator in cooking room 2, during making food, hair Body of light work, so as to more convenient manufacturing process for observing food by transparent class visual window 61.

It is equipped with blast hood 21 in the main header casing of cooking room 2, the structure of blast hood 21 is as shown in Figure 4 comprising windward guidance tape 211 and leeward guidance tape 212, leeward guidance tape 212 is located at the lower outer of windward guidance tape 211, and sets in the bottom of leeward guidance tape 212 The connecting plate 312 that its oriented outer circumferential extends, cooking room 2 have side wall 22, and connecting plate 213 and the top of side wall 22 mutually interconnect It connects.

Heating device 3 is located at the inside of blast hood 21, specifically includes air blast wind wheel 31 and electric heating tube 32, electric heating tube 32 are located at the underface of air blast wind wheel 31, and air blast wind wheel 31 is used to generate the air-flow of flowing, and electric heating tube 32 is used to heat blowing The air-flow that wind wheel 31 generates forms heating air-flow；Heating air-flow circulates inside cooking room 2, constantly from the surface of food It flows through, to complete the heating process to food.Wherein, windward guidance tape 211 is located at except air blast wind wheel 31, and leeward guidance tape 212 is set Except electric heating tube 32.

Blower unit 4 includes blower cover 41, is located at the motor 42 of the outer upper side of blower cover 41 and is located in blower cover 41 The air inducing wind wheel 43 in portion, blower cover 41 are located at the inside of shell 1, and are located at the outer upper side of cooking room 2, on the top of blower cover 41 Portion is equipped with air-vent 44, and the side covered windward is equipped with exhaust outlet 45, and motor 42 is located at air-vent 44 for example, by electric machine support 46 Top, and motor 42 is completely covered in the projection of horizontal plane in the projection of horizontal plane in air-vent 44 so that air preferably into Enter the inside of blower cover 41；Specifically, air blast wind wheel 31 and air inducing wind wheel 43 are each provided at the output end of motor 42, motor 42 is driven The two rotates synchronously.

Wherein, it is equipped with electric machine support 46 in the top of blower cover 41, motor 42 is fixed on blower cover by electric machine support 46 On 41, specifically, electric machine support 46 is, for example, triadius type structure, the structure of electric machine support 46 as shown in figure 5, air from motor 42 surfaces are flowed through, the inside of inflow blower cover 41 that can be much smoother；Further, electric machine support 46 is motor 42 and air inducing Mouth 44 provides spacing in the height direction, and to form ventilation gap between motor 42 and air-vent 44,44 top of air-vent is outer The gas of side can air inducing wind wheel 43 force under, from all directions flow into blower cover 41, wherein gas it is (a large amount of) leads The inside of blower cover 41 is flow to by the surface of motor 42.

More specifically, blast hood 21 is equipped with moisture outlet 23, and moisture outlet 23 is located at the air side of air blast wind wheel 31, and It is located at the underface of exhaust outlet 45, it is preferred that be equipped with partition 24 between moisture outlet 23 and exhaust outlet 45, make to go out from steam At least original flow direction of air that the high-temperature gases (containing steam) and exhaust outlet 45 of 23 discharge of mouth are discharged flows certain specific (this In refer to partition 24 length), continues to mix to form the outside that one air-flow is expelled to shell 1 later.

Further, it is equipped in shell 1 and the grill cover 8 of moisture outlet 23 and exhaust outlet 45 is completely covered, grill cover Specific structure is as shown in figure 13, from the high-temperature gas (containing steam) being discharged in cooking room 2 and the cooling being discharged from blower cover 41 Air-flow passes through grill cover 8 and is discharged, and for mixed gas during passing through the discharge of grill cover 8, two strands of air-flows are mixed to form one Air-flow is expelled to the outside of shell 1.

In the present embodiment, in order to improve the air velocity on 42 surface of motor, radiating treatment preferably is carried out to motor 42, is drawn Fan housing 41 be provided with along air inducing wind wheel 43 circumferentially and drive air in blower cover 41 to rotate along air inducing wind wheel 43 The contour surface 47 of direction flowing, the structure of blower cover 41 are as shown in Figure 6, wherein the flow direction of the gas in blower cover 41 As shown by the arrows in Figure 7, contour surface 47 is bent using the profile extended to form based on the helix in horizontal plane along its perpendicular bisector Face 47 can provide the effect of forced ventilation by the way that contour surface 47 is arranged, and then not change 43 structure (function of air inducing wind wheel Rate) under the premise of, the efficiency of air inducing is improved, and then accelerate the wind speed for flowing through cold wind from 42 surface of motor, made through 42 table of motor The cold wind in face is formed as stable, according to certain rule flowing, the faster air-flow of flow velocity, and then fast speed belt walks the generation of motor 42 Heat.

Further, in order to preferably introduce air into blower cover 41, air inducing wind wheel 43 is in the projected area of horizontal plane Air inducing wind wheel 43 of the air-vent 44 in 1.2 to 1.6 times of projected area of horizontal plane, the present embodiment is on the perspective plane of horizontal plane Product is air-vent 44 at 1.3 times of the projected area of horizontal plane.

Shell 1 is divide into upper part and lower part in the present embodiment, specifically includes upper housing 13, lower case 14 and liner plate 15, wherein Liner plate 15 is located between upper housing 13 and lower case 14, and upper housing 13 and lower case 14 are separated, upper housing 1 and lower casing It is approached between gas between body 1 or completely without exchanging, circulating.Wherein, liner plate 15, upper housing 13 and blast hood 21 it Between form accommodation space, air interlayer 25 is formed between lower case 14 and the side wall 22 of cooking room 2, liner plate 15 is located at air interlayer 25 top, the gas limited in air interlayer 25 are diffused up to accommodation space.

The top of upper housing 13 be equipped with top cover 16, along top cover 16 part edge be equipped with upper air inlet 17, air with Bottom horizontal flow sheet direction flows into upper air inlet 17, and flows through 42 surface of motor, and the inside of blower cover 41 is introduced into from air-vent 44.Tool Body, the structure of upper air inlet 17 is as shown in Figure 8, wherein 8a indicates 16 part of top cover, and 8b indicates upper housing 13 and 16 phase of top cover The part of cooperation；Specifically, upper air inlet 17 have along top cover 16 part edge be arranged continuous air inlet region, air with Bottom horizontal flow sheet direction enters upper air inlet 17, wherein is arranged by the way of being fastened and connected between top cover 16 and upper housing 13, example Multiple fasteners 161 with tapered surface such as are set in top cover 16, the slot 131 cooperated with fastener 161 is equipped in upper housing 13；Gas The inside of upper housing 13 is flowed by the edge of top cover 16, and is redirected to along the part edge of upper housing 13 to dirty It is dynamic, into the inside of upper housing 13.

The bottom wall 12 of lower case 14 is provided with lower air inlet 18, the specific structure of lower air inlet 18 as shown in figure 9, under into Air port 18 specifically includes square hole 181 of multiple outsides along bottom wall 12 towards its internal stretch, and multiple square holes 181 are uniformly It is distributed on bottom wall 12；Preferably, it is equipped with wind deflector 121 in bottom wall 12, wind deflector 121 is located at multiple sides of lower air inlet 18 Lower air inlet 18 is completely covered in the projection of horizontal plane in the top in shape hole 181, wind deflector 121；It is furthermore preferred that being equipped in bottom wall 12 For lifting two recessed portions 122 of entire air ovens, two recessed portions 122 are located on two opposite side of bottom wall 12；The bottom of at Wall 12 is equipped with the support leg 123 except protrusion bottom wall 12, and gap is equipped between lower air inlet 18 and the supporting surface of support leg 123, To improve the fluency of the air inlet of lower air inlet 18, air passes through interspace is converged between 2 bottom of square hole 181 and cooking room In space, and flow among air interlayer 25.

Further, lower case 1 be provided with multiple transoms 19, specifically such as four, wherein four transoms 19 are set In identical height, the gas in air interlayer 25 can shedding to except lower case 14 from transom 19 naturally.

In order to facilitate cleaning, and remaining material is collected, in the present embodiment, is provided with and collects in the bottom of cooking room 2 Device 5, such as the oil drain pan structure that can be freely taken out from cooking room 2, as shown in figure 12, wherein collecting device 5 is equipped with Along its center arrangement and the lug boss 51 that upwardly extends, specifically, lug boss 51 is adapted to the quadrilateral structure of cooking room 2, It is also possible to the triangle or rectangular configuration with multiple gradual change extended surfaces, lug boss 51 is provided in the stream in heating air-flow On dynamic path, heating air-flow can be guided more rapidly and uniformly towards flow of food.

The present embodiment can be adapted for a variety of foods, be equipped with the bogey for accommodating food in the inside of cooking room 2 7, on the one hand, bogey 7 includes multiple fry baskets 71 setting up and down, is equipped in the side wall 22 of cooking room 2 multiple for branch The support frame 72 of fry basket 71 is supportted, support frame 72 is opposite in pairs to be located in the two side walls 22 of cooking room 2, each support frame 72 have the supporting surface to 2 inner inclination of cooking room, and supporting surface has the inclination angle between horizontal plane less than 45 °, such as 15 ° Inclination angle；The structure of fry basket 71 is as shown in Figure 10, specifically includes frame 711 and the fry basket sheet along frame 711 to lower recess The loading end of body 712, support frame 72 is contacted with frame 711, and supporting frame 711, wherein the mode of multilayer fry basket 71 is applicable in In the manufacturing process of the meat products such as such as chicken wings, the good food of laying can well with heating air flow contacts, and by heating Air-flow is uniformly heated.

It on the other hand, further comprise rotating cage 73, rotating cage fixed frame 74 and for driving 73 turns of rotating cage in bogey 7 Dynamic driving element 75, as shown in figure 11, the rotary shaft that rotating cage 73 has the cage body 731 of accommodating food and connect with cage body 731 732,732 one end of rotary shaft is connect with driving element 75, and the other end is located on rotating cage fixed frame 74.Further, solid in rotating cage Determine frame 74 and be equipped with the sliding rail 741 being arranged along 73 placement direction of rotating cage and the placing groove 742 for being located at 741 end of sliding rail, places Slot 742 is used for rotational support rotary shaft 732.The mode of rotating cage 73 is very suitable to the production of such as French fries, potato block etc. food, The overturning of rotating cage can be very good stirring food, keep its heating more uniform.

In the present embodiment, guide device 26 is equipped on the inside of the side wall 22 of cooking room 2, part heats air-flow and flow to guider After part 26, foodstuff surface is scattered to, wherein guide device 26 includes multiple guide parts, and each guide part at least has along heating Air-flow flows into the inclined guide surface 261 in direction of guide part, and the guide surface 261 in the present embodiment is inclined plane；Heat gas Stream by the guiding function of guide part, it is most of heat air-flow will continue to towards original direction or close to original direction into Row flowing, heats the food in cooking room 2.

The gas that cooking room 2 is discharged in the present embodiment has had both the characteristic that the velocity of discharge is fast and discharge temperature is low, Ke Yiyou Steam in food manufacturing process is discharged on effect ground, improves the texture and mouthfeel of food.

Embodiment 2

The present embodiment the difference from embodiment 1 is that, as shown in figure 14, collecting device 5 is equipped with multiple tetragonous bevel-types protrusions Portion 52, lug boss can be on the flow paths of heating air-flow, and guidance heating air-flow is more rapidly and uniformly towards food stream It is dynamic.

Although the utility model is disclosed above in the preferred embodiment, it is not intended to limit the utility model the model of implementation It encloses.Any those skilled in the art change within the scope of the inventing type for not departing from the utility model when can make a little Into that is, all same improvement done according to the utility model should be the scope of the utility model and be covered.

Claims (10)

1. a kind of air ovens characterized by comprising

Shell is equipped with cooking room in the inside of the shell and covers on the blast hood above the cooking room；

Heating device is used to generate heating air-flow；The heating device includes air blast wind wheel and is located under the air blast wind wheel The electric heating tube of side, the air blast wind wheel and the electric heating tube are each provided at the inside of the blast hood；

Blower unit comprising motor is located at the blower cover of the blast hood upper surface and is located at drawing in the blower cover The top of wind wind wheel, the blower cover has air-vent, and the motor is located at the upper outer of the air-vent；

The air blast wind wheel and the air inducing wind wheel are coaxially disposed, by the motor driven, and synchronous with the air inducing wind wheel turn It is dynamic；

The blower cover has exhaust outlet, and the blast hood is equipped with moisture outlet, and the moisture outlet is located at the air blast wind wheel Air side, and be set to the underface of the exhaust outlet.

2. air ovens as described in claim 1, which is characterized in that the bottom of the cooking room is equipped with collecting device, described The bottom of the cooking room is completely covered in collecting device；Have along its center arrangement and upwardly extend in the collecting device Lug boss.

3. air ovens as claimed in claim 2, which is characterized in that the lug boss has along the heating air-flow in institute State the guide surface that flow direction is arranged in collecting device.

4. air ovens as described in claim 1, which is characterized in that the top of the shell is equipped with top cover, along the top The part edge of lid is equipped with upper air inlet, and air flows into the upper air inlet with bottom horizontal flow sheet direction, and flows through the motor table Face is introduced into the inside of the blower cover from the air-vent.

5. air ovens as described in claim 1, which is characterized in that the top of the blower cover is equipped with electric machine support, described Motor is fixed on the blower cover by the electric machine support, shape in the height direction between the motor and the air-vent At ventilation gap.

6. air ovens as described in claim 1, which is characterized in that the cooking room have side wall, the side wall with it is described Air interlayer is formed between shell, the shell is equipped at least one transom being connected with the air interlayer.

7. air ovens as described in claim 1, which is characterized in that the shell is equipped with rotary door component, in the door The bottom of component is equipped with shaft, and the shell is equipped with mounting groove, and the shaft is located in the mounting groove.

8. air ovens as described in claim 1, which is characterized in that the shell is equipped with grill cover, and the grill cover is complete Cover the exhaust outlet and the moisture outlet.

9. air ovens as described in claim 1, which is characterized in that the inside of the cooking room is equipped with setting up and down multiple Fry basket is equipped with the support frame for being used to support the fry basket in the side wall；Support frame as described above has into the cooking room Portion's inclined support surface, the supporting surface have the inclination angle between horizontal plane less than 45 °.

10. air ovens as claimed in claim 6, which is characterized in that the inside of the side wall is equipped with guide device, part institute State heating air-flow flow to the guide device after, scatter to foodstuff surface.