CN213551297U - Heating device, baking cover and cooking utensil - Google Patents

Abstract

The utility model provides a device generates heat, toasts lid and cooking utensil. The heat generating device includes: the accommodating structure is provided with an air inlet end and an air outlet end which are arranged oppositely and an accommodating cavity positioned between the air inlet end and the air outlet end, and the air inlet end forms a ventilation flow channel from the accommodating cavity to the air outlet end; the heating structure, heating structure are a plurality of, and a plurality of heating structure arrange in the holding intracavity in order along the direction of ventilation runner, and heating structure has the heating net, and at least two heating net mutual projection's plane of projection is at least partly not coincident. The utility model provides an among the prior art cooking utensil have the inhomogeneous problem in temperature field.

Description

Heating device, baking cover and cooking utensil

Technical Field

The utility model relates to a household electrical appliances technical field particularly, relates to a device generates heat, toasts lid and cooking utensil.

Background

At present, the heating source that current pressure toasted the lid is mostly vertical direction and arranges, because installation and fit-up gap's requirement leads to leaving between the heater of heating source and the edge whitely more, and more leaves the whitely clearance and can lead to the cold and hot phenomenon of mixing appearing in the air inlet chamber, influences the homogeneity of temperature field.

That is, the cooking appliance in the prior art has a problem of uneven temperature field.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a heating device, a baking cover and a cooking utensil to solve the problem of uneven temperature field of the cooking utensil in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a heat generating device including: the accommodating structure is provided with an air inlet end and an air outlet end which are arranged oppositely and an accommodating cavity positioned between the air inlet end and the air outlet end, and the air inlet end forms a ventilation flow channel from the accommodating cavity to the air outlet end; the heating structure, heating structure are a plurality of, and a plurality of heating structure arrange in the holding intracavity in order along the direction of ventilation runner, and heating structure has the heating net, and at least two heating net mutual projection's plane of projection is at least partly not coincident.

Can place heating structure in holding structure through setting up the holding structure, and a plurality of heating structure arrange in proper order along the extending direction of ventilation runner, just so can make heating net dislocation set, so that at least two heating net mutual projection's a part is not coincident, and then all there is the heating net at the radial direction of ventilation runner, the inhomogeneous phenomenon in temperature field in the ventilation runner has been reduced, make the temperature field in the ventilation ability runner more even, and then the difference in temperature when the wind that enters into in the ventilation runner through the air inlet end flows out the ventilation runner after fully exchanging heat with the heating net is littleer, in order to reach the purpose of even stoving.

Furthermore, the two adjacent heating structures are arranged at intervals to form an installation gap, and/or the number of the heating structures is larger than three, and at least part of projection surfaces of the mutual projections of the heating nets of the two adjacent heating structures are not overlapped. The setting of erection gap is convenient for install heating structure to the holding structure on, makes simultaneously to have certain interval between the heating net to heat transfer between heating net and the cold wind, guarantee the heat exchange efficiency of heating net, and then can effectively increase the efficiency of toasting of the device that generates heat. The area that sets up like this and can guarantee the cold district between two adjacent heating structures is less, and then makes the temperature field in the ventilation runner more even, and then makes the device that generates heat can evenly toast.

Furthermore, the air passing area of each heating net is smaller than that of the ventilation flow channel, and the projection area of the projection of all the heating nets to the air inlet end is equal to that of the ventilation flow channel. The installation of the heating net of being convenient for sets up like this, and all heating nets are equal to the area of crossing the wind of ventilation runner to the projected area of air inlet end simultaneously for the temperature field in the ventilation runner is more even, and the wind temperature that the ventilation runner flows out is more even.

Further, the heat generating structure includes: a body; the heating wire is spirally wound on the body to form a heating network, and an air passing gap is formed between two adjacent sections of the heating wire. Set up like this and be convenient for the heat transfer between cold wind and the heater to make the wind energy that enters into in the ventilation runner reach high temperature with the heater heat transfer rapidly, so that high temperature air toasts food, increases and toasts efficiency. The setting of body forms support and fixed to the heater to make the heater work steadily, can also avoid gluing between the heater simultaneously.

Further, the body includes a plurality of support bars, and a plurality of support bars are arranged along perpendicular to ventilation flow channel's direction interval in order and are set up, and a plurality of support bars support in the heating network. A plurality of support bars interval sets up and makes wind energy enough follow the interval circulation between a plurality of support bars, and then guarantees that wind energy can flow out the ventilation runner smoothly, reduces the heat and gathers in the ventilation runner. Meanwhile, the support bars can support the heating wire, the adhesion of the heating wire is reduced, and the working stability of the heating wire is ensured.

Furthermore, the supporting strip has a tooth-shaped structure, and the tooth-shaped structure is arranged in order along the length direction of the supporting strip. The heating wire is limited at the tooth-shaped structure, the heating wire can work stably due to the arrangement of the tooth-shaped structure, the phenomenon that the heating wire is staggered and adhered is reduced, and the working stability of the heating wire is improved.

Further, the accommodating structure comprises: the heating structure is positioned between the two reflecting plates, and the extending direction of the supporting bars is the same as that of the reflecting plates; two opposite connecting plates are arranged, two ends of the two reflecting plates are connected through one connecting plate respectively, and two ends of the supporting bar are connected with the two connecting plates respectively. The reflecting plate can reflect heat to the ventilation flow channel so as to reduce heat loss. The setting of connecting plate can be fixed two reflecting plate formation, and the support bar is connected fixedly with the connecting plate simultaneously.

Further, the reflection plate includes: a plate body; fixed muscle, fixed muscle is stretched out by two sides that the plate body is relative, and fixed muscle is a plurality of, and a plurality of fixed muscle sets up along the side interval, fixed muscle and connecting plate fixed connection, plate body and connecting plate interval set up, form the installation position between plate body, fixed muscle and the connecting plate, and two at least support bars of heating structure stretch into in the installation position. The fixing ribs and the connecting plate are fixedly connected, so that the reflecting plate and the connecting plate are installed. After the plurality of fixing ribs and the connecting plate are assembled together, a plurality of mounting positions are formed, and at least two supporting bars stretch into the mounting positions to complete mounting of the supporting bars. Meanwhile, the middle of the connecting plate is provided with a through hole, and the supporting plate can be assembled to the through hole to separate the heating wires on two sides, so that the heating wires are prevented from being adhered.

Furthermore, two opposite sides of the connecting plate are provided with outward-turning convex edges, the outward-turning convex edges are provided with a plurality of mounting holes arranged at intervals, and the fixing ribs extend into the mounting holes. The installation between protruding edge and the reflecting plate turns up, fixed muscle is including to keeping away from the plate body direction and connecting smoothly ground major diameter section and path section, and the path section stretches into the mounting hole in, the major diameter section with turn up protruding along the butt to make plate body and turn up the interval between the protruding edge and set up and form the installation position.

According to another aspect of the utility model, a toast lid is provided, include: an air inlet cavity; in the heating device, the heating device is arranged in the air inlet cavity; the fan is arranged in the air inlet cavity and is positioned on one side of the air inlet end of the heating device. The fan blows air to the heating device to blow heat emitted by the heating device into food so as to bake the food. The temperature field of the baking cover with the heating device is more uniform, and the baking of food is more uniform.

According to another aspect of the present invention, there is provided a cooking appliance, including: the above-mentioned baking cover; a pot body, and a baking cover which can be covered on the pot body in an opening and closing way. The cooking utensil with the baking cover has the advantages that the temperature field is more uniform, food can be uniformly baked, and the taste of the baked food is better.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a cooking appliance according to an alternative embodiment of the present invention; and

FIG. 2 is a diagram showing the positional relationship between the roasting cover and the pot body in FIG. 1;

FIG. 3 shows an angled view of the roaster cover of FIG. 1;

FIG. 4 shows another angled view of the roaster cover of FIG. 1;

FIG. 5 shows another angled view of the roaster cover of FIG. 1;

FIG. 6 shows another angled view of the roaster cover of FIG. 1;

FIG. 7 shows an exploded view of an angle of the roaster cover of FIG. 1;

FIG. 8 shows an exploded view of another angle of the roaster cover of FIG. 1;

FIG. 9 is a schematic view showing the structure of the heat generating device of FIG. 7;

FIG. 10 is a schematic view showing a structure of the heat generating device of FIG. 9 without a reflection plate;

fig. 11 shows an exploded view of the heat generating device of fig. 7.

Wherein the figures include the following reference numerals:

1. an accommodating structure; 2. a heat generating structure; 3. a body; 4. a heater; 5. a supporting strip; 6. a tooth-shaped structure; 7. a reflective plate; 8. a connecting plate; 9. a plate body; 10. fixing the ribs; 11. turning the convex edge outwards; 12. mounting holes; 13. an air inlet cavity; 14. a heat generating device; 15. a fan; 16. baking the cover; 17. a pan body; 18. a pressure cap; 19. a fan blade; 20. a baffle; 21. a perspective window; 22. a wind guide groove; 23. a first fixed seat; 24. fixing a nut; 25. a second fixed seat; 26. a reflector; 27. fixing a column; 28. and (7) a face cover.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that the cooking utensil has the temperature field unevenness among the prior art, the utility model provides a device generates heat, toasts lid and cooking utensil.

As shown in fig. 1 to 11, the heating device includes an accommodating structure 1 and a heating structure 2, the accommodating structure 1 has an air inlet end and an air outlet end which are oppositely arranged, and an accommodating cavity located between the air inlet end and the air outlet end, and the air inlet end forms a ventilation channel from the accommodating cavity to the air outlet end; heating structure 2 is a plurality of, and a plurality of heating structure 2 arrange in the holding intracavity in order along the direction of ventilation runner, and heating structure 2 has the heating net, and at least two heating net mutual projection's plane of projection is at least partly not coincide.

Can place heating structure 2 in holding structure 1 through setting up holding structure 1, and a plurality of heating structure 2 arrange in proper order along the extending direction of ventilation runner, just so can make heating net dislocation set, so that at least two heating net mutual projected's projected area partly do not coincide, and then all there is heating net at ventilation runner's radial direction, the inhomogeneous phenomenon in temperature field in the ventilation runner has been reduced, it is more even to make the temperature field in the ventilation ability runner, and then the difference in temperature when flowing out the ventilation runner after the wind that enters into in the ventilation runner through the air inlet end and the sufficient heat transfer of heating net is littleer, in order to reach the purpose of even stoving.

As shown in fig. 10, two adjacent heat generating structures 2 are spaced apart from each other to form a mounting gap. The setting in installation clearance is convenient for install containing structure 1 with heating structure 2 on, makes simultaneously to have certain interval between the heating net to heat transfer between heating net and the cold wind, guarantee the heat exchange efficiency of heating net, and then can effectively increase the efficiency of toasting of the device that generates heat.

Specifically, the air passing area of each heating net is smaller than that of the ventilation flow channel, so that the projection area of the projection of all the heating nets to the air inlet end is equal to that of the ventilation flow channel. The installation of the heating net of being convenient for sets up like this, and all heating nets are equal to the area of crossing the wind that the ventilation runner was held the projected area simultaneously and make the temperature field in the ventilation runner more even, and the wind temperature that the ventilation runner flows out is more even.

As shown in fig. 9 to 11, the number of the heating structures 2 is larger than three, and projection surfaces of the heating nets of two adjacent heating structures 2 projected to each other are at least partially misaligned. The area that sets up like this and can guarantee the cold district between two adjacent heating structure 2 is less, and then makes the temperature field in the ventilation runner more even, and then makes the device that generates heat can evenly toast.

As shown in fig. 10, the heating structure 2 includes a body 3 and a heating wire 4, the heating wire 4 is spirally wound on the body 3 to form a heating network, and an air passing gap is formed between two adjacent sections of the heating wire 4. Set up like this and be convenient for the heat transfer between cold wind and the heater 4 to make the wind energy that enters into in the ventilation runner reach high temperature with the heater 4 heat transfer fast, so that high temperature air toasts food, increases and toasts efficiency. The setting of body 3 forms support and fixed to heater 4 to make heater 4 work steadily, can also avoid gluing between heater 4 simultaneously.

As shown in fig. 9 and 10, the body 3 includes a plurality of support bars 5, the support bars 5 are sequentially arranged at intervals in a direction perpendicular to the ventilation flow channel, and the support bars 5 are supported in the heat generating net. The supporting strips 5 are arranged at intervals, so that wind can flow from the intervals between the supporting strips 5, the wind can smoothly flow out of the ventilation flow channel, and heat is reduced and accumulated in the ventilation flow channel. Meanwhile, the support bar 5 can support the heating wire 4, the adhesion of the heating wire 4 is reduced, and the working stability of the heating wire 4 is ensured.

As shown in fig. 11, the supporting bar 5 has a tooth-shaped structure 6, and the tooth-shaped structures 6 are arranged in sequence along the length direction of the supporting bar 5. The heating wire 4 is limited at the tooth-shaped structure 6, the heating wire 4 can work stably due to the arrangement of the tooth-shaped structure 6, the situation that the heating wire 4 is dislocated and adhered is reduced, and the working stability of the heating wire 4 is improved.

As shown in fig. 9 to 11, the accommodating structure 1 includes two oppositely disposed reflection plates 7 and two oppositely disposed connection plates 8, the heating structure 2 is located between the two reflection plates 7, and the extending direction of the supporting bars 5 is the same as the extending direction of the reflection plates 7; two ends of the two reflecting plates 7 are respectively connected through a connecting plate 8, and two ends of the supporting bar 5 are respectively connected with the two connecting plates 8. The reflector plate 7 is arranged to reflect heat into the ventilation channel to reduce heat dissipation. The arrangement of the connecting plate 8 can fix the two reflecting plates 7, and meanwhile, the supporting bars 5 are also fixedly connected with the connecting plate 8.

As shown in fig. 11, the reflecting plate 7 includes a plate body 9 and a fixing rib 10, the fixing rib 10 is extended from two opposite sides of the plate body 9, the fixing rib 10 is plural, the fixing ribs 10 are arranged along the side interval, the fixing rib 10 is fixedly connected with the connecting plate 8, the plate body 9 is arranged at an interval with the connecting plate 8, an installation position is formed between the plate body 9, the fixing rib 10 and the connecting plate 8, and at least two support bars 5 of the heating structure 2 are extended into the installation position. The fixing ribs 10 are fixedly connected with the connecting plate 8, so that the reflecting plate 7 and the connecting plate 8 are installed. After the plurality of fixing ribs 10 and the connecting plate 8 are assembled together, a plurality of mounting positions are formed, and at least two supporting bars 5 extend into the mounting positions to complete the mounting of the supporting bars 5. Meanwhile, the middle of the connecting plate 8 is also provided with a through hole, and the supporting bars 5 can also be assembled at the through hole to separate the heating wires 4 on two sides, so that the heating wires 4 are prevented from being adhered.

As shown in fig. 11, the opposite sides of the connecting plate 8 are provided with outward flanges 11, the outward flanges 11 are provided with a plurality of mounting holes 12 arranged at intervals, and the fixing ribs 10 extend into the mounting holes 12. The outward-turning convex edge 11 and the reflecting plate 7 are installed, the fixing rib 10 comprises a large-diameter section and a small-diameter section which are smoothly connected in the direction far away from the plate body 9, the small-diameter section extends into the installation hole 12, and the large-diameter section is abutted to the outward-turning convex edge 11, so that the plate body 9 and the outward-turning convex edge 11 are arranged at intervals to form installation positions.

As shown in fig. 2, the baking cover comprises an air inlet chamber 13, the above-mentioned heating device 14 and a fan 15, the heating device 14 is arranged in the air inlet chamber 13; the fan 15 is disposed in the air intake chamber 13, and the fan 15 is located at one side of the air intake end of the heat generating device 14. The fan 15 blows air to the heat generating device 14 to blow heat generated from the heat generating device 14 to the food to bake the food. The temperature field of the roasting cover 16 having the above-mentioned heat generating means 14 is more uniform, and the roasting of the food is more uniform.

As shown in FIG. 1, the cooking utensil comprises the above-mentioned baking cover 16 and a pan body 17, and the baking cover 16 is openably and closably provided on the pan body 17. The cooking utensil with the baking cover 16 has more uniform temperature field, can uniformly bake food, and the baked food has better taste.

As shown in fig. 1, the cooking appliance further includes a pressure cover 18, and the pressure cover 18 and the roasting cover 16 are alternatively covered on the pot body 17 to realize different cooking functions. When the pressure cover 18 is covered on the pot body 17, the cooking utensil can perform pressure cooking. When the baking cover 16 is covered on the pot body 17, the cooking utensil can perform baking cooking.

As shown in fig. 6, the bottom surface of the baking cover 16 has a wind guiding groove 22 with a downward opening, the wind outlet of the wind inlet cavity 13 is disposed on the wall of the wind guiding groove 22, the bottom of the wind guiding groove 22 is provided with a fan blade 19, and the wind blown from the wind inlet cavity 13 can blow the fan blade 19 to rotate, so as to realize the effect of uniform temperature field.

As shown in fig. 7 and 8, the baking cover 16 further includes a fixing nut 24, the bottom of the air guiding groove 22 has a fixing post 27 protruding downward, and the fan blade 19 is fixed on the fixing post 27 by the fixing nut 24.

As shown in fig. 3 and 6, the baking cover 16 further includes a baffle plate 20, the baffle plate 20 is connected to the bottom of the air guiding groove 22 and guides the air from the air outlet to the fan blade 19, so that the fan blade 19 is rotated by the air from the air inlet cavity 13.

As shown in fig. 7 and 8, the toasting lid 16 further includes a reflection cover 26 and a surface cover 28, the reflection cover 26 is disposed in the direction of the surface cover 28, the air guiding groove 22 is disposed on the reflection cover 26, and the reflection cover 26 can reflect heat toward the pan body 17, so as to reduce the heat transferred to the surface cover 28 and avoid the problem of temperature rise of the surface cover 28.

As shown in fig. 7 and 8, the reflection cover 26 has reflection cover see-through holes at both sides of the air guide groove 22, the face cover 28 has face cover see-through holes coaxially arranged with the reflection cover see-through holes, the see-through window 21 is clamped between the face cover 28 and the reflection cover 26, and the see-through window 21 is arranged at the face cover see-through holes and the reflection cover see-through holes.

As shown in fig. 7 and 8, the baking cover 16 further includes a first fixing seat 23 and a second fixing seat 25, the first fixing seat 23 has a first groove, the second fixing seat 25 has a second groove, after the first fixing seat 23 is fastened to the second fixing seat 25, the first groove and the second groove enclose an air inlet cavity 13, and the fan 15 and the heat generating device 14 are fixed in the air inlet cavity 13.

Optionally, the cooking appliance is an electric pressure cooker. Of course, the cooking appliance may also be other electric products for cooking food materials, such as an electric rice cooker.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A heat generating device, comprising:

the air conditioner comprises an accommodating structure (1), wherein the accommodating structure (1) is provided with an air inlet end and an air outlet end which are arranged oppositely, and an accommodating cavity which is positioned between the air inlet end and the air outlet end, and the air inlet end forms a ventilation flow channel from the accommodating cavity to the air outlet end;

heating structure (2), heating structure (2) are a plurality of, and are a plurality of heating structure (2) are followed the direction of ventilation runner is arranged in order the holding intracavity, heating structure (2) have the heating net, at least two the projection plane of heating net mutual projection at least part is not coincide.

2. The heat-generating device according to claim 1,

the two adjacent heating structures (2) are arranged at intervals to form an installation gap; and/or the presence of a gas in the gas,

the number of the heating structures (2) is more than three, and at least part of projection surfaces of the mutual projections of the heating nets of the two adjacent heating structures (2) are not overlapped.

3. The heating device as claimed in claim 1, wherein the air passing area of each heating net is smaller than the air passing area of the ventilation channel, and the projected area of all the heating nets projected to the air inlet end is equal to the air passing area of the ventilation channel.

4. The heat generating device according to claim 1, characterized in that the heat generating structure (2) comprises:

a body (3);

the heating wire (4) is spirally wound on the body (3) to form the heating net, and an air passing gap is formed between two adjacent sections of the heating wire (4).

5. The heat generating device as claimed in claim 4, wherein the body (3) comprises a plurality of support bars (5), the support bars (5) are arranged at intervals in sequence along a direction perpendicular to the ventilation flow channel, and the support bars (5) are supported in the heat generating net.

6. The heat generating device as claimed in claim 5, characterized in that the supporting strip (5) has a toothed structure (6), and the toothed structures (6) are arranged in sequence along the length direction of the supporting strip (5).

7. The heat-generating device according to any one of claims 1 to 6, characterized in that the containing structure (1) comprises:

the heating structure comprises two reflecting plates (7) which are oppositely arranged, the heating structure (2) is positioned between the two reflecting plates (7), and the extending direction of a supporting strip (5) of the heating structure (2) is the same as the extending direction of the reflecting plates (7);

two connecting plates (8) that set up relatively, two the both ends of reflecting plate (7) are respectively through one connecting plate (8) are connected, the both ends of support bar (5) are respectively with two connecting plate (8) are connected.

8. The heat generating device according to claim 7, wherein the reflection plate (7) comprises:

a plate body (9);

fixed muscle (10), fixed muscle (10) by two sides that plate body (9) are relative stretch out, fixed muscle (10) are a plurality of, and are a plurality of fixed muscle (10) are followed the side interval sets up, fixed muscle (10) with connecting plate (8) fixed connection, plate body (9) with connecting plate (8) interval sets up, plate body (9) fixed muscle (10) with form the installation position between connecting plate (8), two at least support bars (5) of heating structure (2) stretch into in the installation position.

9. The heat generating device according to claim 8, wherein the connecting plate (8) has a raised edge (11) at opposite sides thereof, the raised edge (11) having a plurality of spaced mounting holes (12), and the fixing ribs (10) extend into the mounting holes (12).

10. A baking lid, comprising:

an air inlet cavity (13);

the heat generating device (14) of any one of claims 1 to 9, said heat generating device (14) being disposed in said air intake cavity (13);

the fan (15), fan (15) set up in air inlet chamber (13), just fan (15) are located one side of the air inlet end of device (14) generates heat.

11. A cooking appliance, comprising:

the baking cover (16) of claim 10;

the baking cover (16) is covered on the pot body (17) in an openable and closable manner.

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