CN213757812U - Cooking appliance with baking function - Google Patents

Abstract

The utility model relates to a kitchen appliance technical field especially relates to a cooking appliance with toast function. The cooking appliance with the baking function comprises a circulating air duct, and a heating pipe and a catalyst module which are arranged in the circulating air duct, wherein the catalyst module is used for catalyzing peculiar smell components in smoke in the circulating air duct; the catalyst module surrounds the heating pipe and is arranged close to the heating pipe, so that the heating pipe can heat the catalyst module, wherein the shape of the heating pipe is matched with that of the catalyst module. The utility model provides a cooking appliance with baking function to alleviate the relatively poor technical problem of purifying effect that oven among the prior art exists.

Description

Cooking appliance with baking function

Technical Field

The utility model belongs to the technical field of the kitchen appliance technique and specifically relates to a cooking appliance with toast function is related to.

Background

When meat, fish, shrimp and other food materials are baked by the oven at a high temperature, a large amount of peculiar smell components such as organic aldehyde, organic acid, organic amine, organic ester and the like are generated, please refer to fig. 1, and fig. 1 is a structural schematic diagram of the oven in the prior art, wherein, under the action of a circulating fan 1 'and a heat dissipation fan 2', the peculiar smell components generated in the oven can be diffused indoors along with smoke, so that a cooker can generate strong reaction, and eyes and respiratory tracts of the cooker can be strongly stimulated.

The existing oven is generally provided with a catalyst at a circulating fan, so that odor components generated by baking are catalyzed by the catalyst to generate tasteless substances, however, the temperature at the circulating fan is low, and byproducts such as acid compounds and the like are easily generated in the using process, so that the purifying effect is influenced.

Therefore, the present application provides a new cooking appliance with a toasting function in view of the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooking appliance with baking function to alleviate the relatively poor technical problem of purifying effect that oven among the prior art exists.

Based on the above purpose, the utility model provides a cooking appliance with baking function, this cooking appliance with baking function includes circulating air duct and all sets up heating pipe and catalyst module in circulating air duct, catalyst module is used for catalyzing the peculiar smell composition in the flue gas in the circulating air duct;

the catalyst module surrounds the heating pipe and is arranged close to the heating pipe, so that the heating pipe can heat the catalyst module, wherein the shape of the heating pipe is matched with that of the catalyst module.

Further, still include air inlet apron, inner bag backplate and circulating fan, the air inlet apron with the inner bag backplate is connected and is formed the circulating air duct, circulating fan's impeller set up in the circulating air duct, just the heating pipe encircle in around the impeller.

Furthermore, the catalyst modules are strip-shaped and are arranged into a plurality of catalyst modules, the catalyst modules are enclosed to form a polygon, and the heating pipe is surrounded to form a polygon-shaped pipe matched with the catalyst modules.

Further, the catalyst module includes a honeycomb ceramic carrier and an active component supported on the honeycomb ceramic carrier.

The fixing frame comprises a bottom frame connected to the liner back plate and a limiting frame detachably connected to the bottom frame;

the bottom frame is of a polygon prism frame structure, and the catalyst modules are arranged on the bottom frame and corresponding to the side faces of the polygon prism respectively and are limited by the limiting frame.

Furthermore, a plurality of communicating holes which are communicated with the inner container and the circulating air duct are formed in the air inlet cover plate, and the communicating holes enable the air inlet cover plate to form a pre-filtering net.

Further, still including set up in filter screen in advance filter screen department, the filter screen set up in the circulation wind channel, and with the connection can be dismantled to the mount.

Further, the fixing frame is provided with a hook, a hanging hole is formed in the filter screen, and the filter screen can be hung on the hook through the hanging hole.

Further, the catalyst module is annular, and the heating pipe is encircled to form an annular pipe matched with the catalyst module.

Further, the catalyst module includes a ceramic foam support and an active component supported on the ceramic foam support.

Furthermore, the air inlet cover plate is connected with the liner back plate in a matched mode through a threaded connecting piece and a nut, and the nut is a butterfly nut.

Adopt above-mentioned technical scheme, the utility model discloses a cooking device with toast function has following beneficial effect:

the cooking appliance having a baking function may be an oven. During the culinary art, the heating pipe generates heat and can heat the gas in the circulation wind channel, and the gas that is heated can be followed circulation wind channel and got into the inner bag in, realizes the heating culinary art to the food in the inner bag.

Meanwhile, peculiar smell components such as organic aldehyde, organic acid, organic amine or organic ester and the like generated when food in the inner container is cooked can enter the circulating air duct along with the air flow, and enter the inner container along the circulating air duct again after being catalyzed by the catalyst module to generate tasteless substances, and the circulation is carried out, so that the purification effect on the gas in the inner container is realized, the amount of the peculiar smell components diffused to the indoor space is reduced, and the stimulation to a user is reduced.

It should be noted that, because the catalyst module surrounds outside the heating pipe and is disposed close to the heating pipe, the heating pipe can heat the catalyst module, so that the temperature of the catalyst module is increased, and therefore, the catalytic effect of the catalyst module can be improved.

In conclusion, the catalytic effect of the catalyst module is improved, so that the amount of by-products generated by the odor components in the flue gas under the action of the catalyst module is reduced, and the purification effect is improved; in addition, because the catalyst module is located the circulation wind channel, so can not occupy the usage space of inner bag, be convenient for increase the effective usage space of oven.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

FIG. 1 is a schematic view of a prior art oven;

fig. 2 is a schematic structural diagram of a cooking appliance with a baking function according to an embodiment of the present invention;

fig. 3 is an exploded view (showing an inner container) of a cooking appliance with a baking function according to an embodiment of the present invention;

fig. 4 is a second schematic structural diagram (not shown with the air intake cover plate) of the cooking appliance with a baking function according to the embodiment of the present invention;

fig. 5 is a third schematic structural diagram (not shown with an air intake cover plate) of the cooking appliance with a baking function according to the embodiment of the present invention;

fig. 6 is an exploded view of a filter screen and a fixing frame of a cooking appliance with a baking function according to an embodiment of the present invention;

fig. 7 is a schematic partial structure view of the filter screen shown in fig. 6 after being connected with a fixing frame.

Reference numerals:

1' -a circulating fan; 2' -a heat-radiating fan;

11-liner back plate; 12-air intake cover plate; 121-a communication hole;

2-heating a tube; 3-a catalyst module; 4-inner container; 5-an impeller;

6, fixing a frame; 61-a chassis; 62-a limiting frame; 63-hanging hooks;

7-a filter screen; 71-hanging holes; 8-a threaded connection; 9-butterfly nut.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 3, the present embodiment provides a cooking appliance with a baking function, including a circulating air duct, and a heating pipe 2 and a catalyst module 3 both disposed in the circulating air duct, where the catalyst module 3 is used to catalyze peculiar smell components in flue gas in the circulating air duct; referring to fig. 4 and 5, the catalyst module 3 surrounds the heating tube 2 and is disposed close to the heating tube 2, so that the heating tube 2 can heat the catalyst module 3, and the shape of the heating tube 2 matches with the shape of the catalyst module 3.

Wherein, the cooking appliance with the baking function can be an oven. It should be noted that, in this embodiment, the oven is only used as an embodiment, meanwhile, the oven may be replaced by a cooking appliance having a baking function, such as a steaming and baking all-in-one machine or a micro-steaming and baking all-in-one machine, which is not described later, and the following only exemplifies the whole technical solution through the oven.

It should be added that, referring to fig. 3, the oven further includes an inner container 4, and the food is placed in the inner container 4 for heating.

During the culinary art, heating pipe 2 generates heat and can heat the gas in the circulation wind channel, and the gas that is heated can be followed circulation wind channel and got into inner bag 4 in, realizes the heating culinary art to the food in the inner bag 4.

Meanwhile, peculiar smell components such as organic aldehyde, organic acid, organic amine or organic ester and the like generated when food in the inner container 4 is cooked can enter the circulating air duct along with the air flow, and enter the inner container 4 along the circulating air duct again after being catalyzed by the catalyst module 3 to generate tasteless substances, and the circulation is carried out, so that the purification effect on the gas in the inner container 4 is realized, the amount of the peculiar smell components diffused to the indoor space is reduced, and the stimulation to a user is reduced.

It should be noted that, because the catalyst module 3 surrounds the heating pipe 2, and is disposed close to the heating pipe 2, the heating pipe 2 can heat the catalyst module 3, so that the temperature of the catalyst module 3 is increased, therefore, the catalytic effect of the catalyst module 3 can be improved, in addition, because the shape of the heating pipe 2 is matched with the shape of the catalyst module 3, the area of the catalyst module 3 surrounding the heating pipe 2 is increased, thereby the area of the catalyst module 3 receiving the heat generated by the heating pipe 2 is increased, so that the catalyst obtains a higher heating temperature, and the catalytic effect of the catalyst module 3 is further improved.

In conclusion, by improving the catalytic effect of the catalyst module 3, the amount of by-products generated by the odor components in the flue gas under the action of the catalyst module 3 is reduced, and the purification effect is improved; in addition, because catalyst module 3 is located the circulation wind channel, so can not occupy the usage space of inner bag 4, be convenient for increase the effective usage space of oven.

Preferably, referring to fig. 2, in this embodiment, the cooking appliance with a baking function further includes an air inlet cover plate 12, a liner back plate 11, and a circulating fan, wherein the air inlet cover plate 12 is connected with the liner back plate 11 to form a circulating air duct, referring to fig. 5, an impeller 5 of the circulating fan is disposed in the circulating air duct, and the heating pipe 2 surrounds the impeller 5.

In such an arrangement, the circulating fan is used for circulating the gas in the circulating air duct.

Wherein, heating pipe 2 encircles around impeller 5, and catalyst module 3 encircles outside heating pipe 2, therefore the gas that gets into the circulation wind channel can contact with catalyst module 3 more fully to further improve purifying effect, reduce the peculiar smell composition that diffuses to indoor.

Particularly, circulating fan during operation will be blown to catalyst module 3 via heating pipe 2 by the gas that the inner bag got into in the circulation wind channel, that is to say, the gas that gets into the circulation wind channel from inner bag 4 just can contact with catalyst module 3 after heating pipe 2 heats to can prevent to a certain extent that catalyst module 3 from being cooled down by the lower gas cooling of temperature, further guarantee the higher temperature of catalyst module 3, thereby help catalyst module 3 to produce better purifying effect.

As a first way of realizing the above, please refer to fig. 4, the catalyst module 3 is a strip and is arranged in a plurality of strips, the catalyst modules 3 are surrounded to form a polygon, and the heating pipe 2 is surrounded to form a polygon pipe matched with the catalyst module 3.

With this arrangement, it is achieved that the shape of the heating pipe 2 matches the shape of the catalyst module 3.

Alternatively, the catalyst modules 3 are arranged in three, three catalyst modules 3 are connected in a triangular shape, or the catalyst modules 3 are arranged in four, and four catalyst modules 3 are connected in a square shape, for example, a square or a rectangle, or the catalyst modules 3 are arranged in five, five catalyst modules 3 are connected in a pentagonal shape, etc.

Preferably, in the present embodiment, the catalyst module 3 includes a honeycomb ceramic carrier and an active component, and the active component is supported on the honeycomb ceramic carrier.

Because the strip-shaped catalyst modules 3 can be arranged in a strip shape, honeycomb ceramics with lower cost can be selected as a carrier, and active ingredients are loaded on the honeycomb ceramics carrier to form the strip-shaped catalyst modules 3, so that the cost is saved.

Preferably, referring to fig. 3 and 4, the cooking appliance with the baking function further includes a fixing frame 6, wherein the fixing frame 6 includes a bottom frame 61 connected to the liner back plate 11 and a limiting frame 62 detachably connected to the bottom frame 61; the base frame 61 is a polygonal frame structure, and the plurality of catalyst modules 3 are respectively arranged on the base frame 61 and a frame corresponding to a plurality of sides of the polygonal column, and are limited by the limiting frame 62.

This arrangement enables a plurality of catalyst modules 3 to be wrapped around the heating tube 2.

Optionally, the limiting frame 62 is connected with the chassis 61 by clamping, fastening, or threaded connection; optionally, the bottom frame 61 is detachably connected or fixedly connected with the liner back panel 11, and preferably, the bottom frame 61 is detachably connected with the liner back panel 11, for example, by snapping, fastening, or screwing.

As a second way of realizing this, please refer to fig. 5, the catalyst module 3 is annular, and the heating pipe 2 is wound as an annular pipe matching with the catalyst module 3.

Such setting makes this annular catalyst module 3 can overlap and establish on heating pipe 2, and optionally, usable inner bag backplate 11 and air inlet apron 12 extrude catalyst module 3 fixedly to when the annular catalyst module 3 of installation, only need with catalyst module 3 cover on heating pipe 2, then with air inlet apron 12 connect on inner bag backplate 11 go on fixed can, need not to increase other fixed links, simple to operate.

Preferably, in the present embodiment, the catalyst module 3 includes a ceramic foam carrier and an active component supported on the ceramic foam carrier.

With this arrangement, the catalyst module 3 can be made into a ring-shaped structure by using the ceramic foam as a carrier and causing the active ingredient to be supported on the ceramic foam carrier.

Transition metal oxide can be selected as an active component, so that the transition metal oxide is utilized to oxidize peculiar smell components in the smoke into tasteless substances; in addition, the transition metal oxide has good high temperature resistance, can ensure the stability of the transition metal oxide under the high-temperature environment of the heating pipe 2, and can not generate spontaneous combustion, thereby improving the use safety of the oven.

Preferably, referring to fig. 2 and 3, in the present embodiment, the air intake cover plate 12 is provided with a plurality of communication holes 121 for communicating the inner container 4 and the circulating air duct, and the plurality of communication holes 121 enable the air intake cover plate 12 to form a pre-filtering net.

With such an arrangement, gas in the inner container 4 can enter the circulation air duct through the communication hole 121, and the gas in the circulation air duct can return to the inner container 4 through the communication hole 121.

Wherein, utilize in advance the filter screen can also filter grease and the particulate matter that produces when cooking, prevent that grease and particulate matter from getting into circulation wind channel along with the air current and adsorbing and form the spot at positions such as oven inner wall or fan to reduce user's the clearance degree of difficulty, guaranteed the normal operating of oven.

Preferably, please refer to fig. 3 and fig. 6, in this embodiment, the cooking device further includes a filter screen 7 disposed at the pre-filter screen, the filter screen 7 is disposed in the circulating air duct and detachably connected to the fixing frame 6, and the filter screen 7 further filters grease and particles generated during cooking.

Preferably, the aperture of the filtration pore of filter screen 7 is less than the aperture of the intercommunicating pore 121 of pre-filter screen to make pre-filter screen can filter grease and particulate matter of great volume, and filter screen 7 further filters grease and particulate matter of less volume, thereby improved the filtration rate to grease and particulate matter, further reduced the degree of difficulty that the user cleared up the oven.

The filter screen 7 is arranged in the circulating air duct, so that the cooking space in the inner container 4 is not occupied, and the effective use space of the oven is conveniently enlarged; in addition, the filter screen 7 is arranged in the circulating air duct and is separated from the inner container 4 through the fan cover plate, so that the oven is more attractive.

In addition, the filter screen 7 and the fixing frame 6 are detachably connected, for example, by means of clamping, fastening or screwing, so as to facilitate replacement of the filter screen 7.

In conclusion, in the oven in this embodiment, contain peculiar smell composition in the inner bag 4, in the gas of grease or particulate matter, great grease or particulate matter can be blockked through the first way filtration purification of pre-filter screen, less grease or particulate matter can be blockked after the further filtration purification of filter screen 7, peculiar smell composition catalyzes to be tasteless substance through heating pipe 2 and catalyst module 3 high temperature at last, consequently, the gas that returns inner bag 4 purifies for passing through multiple composite purification system to get rid of the peculiar smell composition, the clean gas of grease or particulate matter, user's culinary art experience has been improved.

Preferably, referring to fig. 6 and 7, in the embodiment, the fixing frame 6 is provided with a hook 63, the filter screen 7 is provided with a hanging hole 71, and the filter screen 7 can be hung on the hook 63 through the hanging hole 71.

Such setting, when needing to install filter screen 7, at first with filter screen 7 lifting to mount 6 department to make hanging hole 71 on filter screen 7 corresponding with couple 63 on the mount 6, again with filter screen 7 to the direction translation that is close to mount 6, so that couple 63 passes hanging hole 71, at last with filter screen 7 downstream, so that filter screen 7 articulates in couple 63, perhaps directly release filter screen 7, make filter screen 7 directly articulate in couple 63 under the dead weight effect, it connects in mount 6 to have accomplished filter screen 7.

When the filter screen 7 needs to be detached, the filter screen 7 is vertically lifted at first, and then the filter screen 7 is horizontally moved towards the direction far away from the fixing frame 6, so that the filter screen 7 is gradually separated from the hook 63 until the hook 63 is separated from the hanging hole 71, and the detachment of the filter screen 7 is completed.

To sum up, this filter screen 7's easy dismounting and labour saving and time saving can realize fast-assembling and quick detach to be convenient for change and maintain filter screen 7.

Preferably, the hook 63 on the fixing frame 6 is provided with a plurality of hooks, correspondingly, the hanging hole 71 on the filter screen 7 is provided with a plurality of hooks, so that the filter screen 7 is more firmly and reliably hung on the fixing frame 6, and the filter screen 7 is prevented from shaking to generate noise due to air flow.

Preferably, referring to fig. 2 and fig. 3, in the present embodiment, the air intake cover plate 12 and the liner back plate 11 are connected by a screw connector 8 and a nut, and the nut is a butterfly nut 9.

It should be noted that the threaded connection member 8 is one of a bolt, a screw, or a stud, and is not limited as long as it can be screwed with a nut to lock the air intake cover plate 12 and the liner back plate 11.

Optionally, referring to fig. 3, in this embodiment, the threaded connector 8 is fixedly connected to the liner back plate 11, for example, by welding, clamping, bonding, or fastening, a mounting hole (not shown) is formed in the fan cover plate, the fan cover plate is moved toward the direction close to the liner back plate 11, so that the threaded connector 8 passes through the connecting hole, and the air inlet cover plate 12 is connected to the liner back plate 11 by screwing a nut on a side of the fan cover plate away from the liner back plate 11.

When the fan cover plate needs to be detached, the nut only needs to be screwed off from the threaded connecting piece 8, and then the fan cover plate is moved towards the direction far away from the liner back plate 11, so that the connecting hole is separated from the threaded connecting piece 8.

The nuts are the butterfly nuts 9, the butterfly nuts 9 can be directly and manually rotated, the fan cover plate can be disassembled and assembled without the help of tools such as a spanner, the operation is convenient, time and labor are saved, the quick assembly and disassembly of the fan cover plate are realized, and the filter screen 7 in the circulating air duct is further convenient to disassemble and assemble.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (9)

1. The cooking appliance with the baking function is characterized by comprising a circulating air duct, a heating pipe (2) and a catalyst module (3), wherein the heating pipe and the catalyst module are both arranged in the circulating air duct, and the catalyst module (3) is used for catalyzing peculiar smell components in smoke in the circulating air duct;

the catalyst module (3) surrounds the heating pipe (2) and is arranged close to the heating pipe (2), so that the heating pipe (2) can heat the catalyst module (3), wherein the shape of the heating pipe (2) is matched with that of the catalyst module (3);

the air-conditioning system is characterized by further comprising an air inlet cover plate (12), a liner back plate (11) and a circulating fan, wherein the air inlet cover plate (12) is connected with the liner back plate (11) to form the circulating air channel, an impeller (5) of the circulating fan is arranged in the circulating air channel, and the heating pipe (2) surrounds the impeller (5);

the cooking appliance further comprises a fixing frame (6), wherein the fixing frame (6) comprises a bottom frame (61) connected to the liner back plate (11) and a limiting frame (62) detachably connected to the bottom frame (61);

the bottom frame (61) is of a polygonal prism frame structure, and the catalyst modules (3) are arranged on the bottom frame (61) and are corresponding to the side faces of the polygonal prism respectively and are limited by the limiting frame (62).

2. The cooking appliance with baking function according to claim 1, wherein the catalyst module (3) is strip-shaped and is provided in a plurality of strips, a plurality of catalyst modules (3) are connected in a polygonal shape, and the heating pipe (2) is wound to form a polygonal pipe matched with the catalyst modules (3).

3. Cooking appliance with toasting function according to claim 2, characterized in that the catalyst module (3) comprises a honeycomb ceramic carrier and an active ingredient, which is supported on the honeycomb ceramic carrier.

4. The cooking appliance with baking function as claimed in claim 1, wherein the air intake cover plate (12) is provided with a plurality of communication holes (121) for communicating the inner container (4) and the circulating air duct, and the plurality of communication holes (121) form a pre-filtering net on the air intake cover plate (12).

5. The cooking appliance with baking function according to claim 4, further comprising a filter screen (7) disposed at the pre-filter screen, wherein the filter screen (7) is disposed in the circulating air duct and detachably connected to the fixing frame (6).

6. The cooking appliance with the baking function according to claim 5, wherein a hook (63) is arranged on the fixing frame (6), a hanging hole (71) is formed on the filter screen (7), and the filter screen (7) can be hung on the hook (63) through the hanging hole (71).

7. The cooking appliance with toasting function according to claim 1, characterized in that the catalyst module (3) is ring-shaped, and the heating tube (2) is ring-shaped to match the catalyst module (3).

8. The cooking appliance with toasting function according to claim 7, characterized in that the catalyst module (3) comprises a ceramic foam carrier and an active ingredient, which is supported on the ceramic foam carrier.

9. The cooking appliance with baking function according to any one of claims 1 to 8, wherein the air intake cover plate (12) is connected with the inner container back plate (11) by a screw connection member (8) and a nut, and the nut is a butterfly nut (9).

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