CN211408721U - Heating tube subassembly and cooking utensil - Google Patents

Abstract

The utility model provides a heating tube subassembly and cooking utensil, the heating tube subassembly includes: a support; the heating tube is arranged on the bracket; and the thermal resistance blocking piece is arranged on the bracket and is positioned in the middle of the heating tube along the length direction. The utility model provides a heating tube subassembly, thermal resistance keeps off the middle part that is located the heating tube along length direction is ascending, also, thermal resistance keeps off the position that is located the support and corresponds with the ascending middle part of length direction of heating tube, thereby the thermal direct diffusion that the stop part sent the heat pipe to produce, reduce the regional heat transfer speed in the middle part of the length direction of heating tube on, and simultaneously, thermal resistance keeps off the both ends diffusion that the partial heat that can also make the middle part of heating tube produce kept off to the heat, make the heat of the middle part of heating tube and the position that both ends correspond even, thereby the heat that realizes the heating tube production is more balanced in the ascending distribution of length direction of heating tube, the regional temperature distribution is more even around the heating tube.

Description

Heating tube subassembly and cooking utensil

Technical Field

The utility model relates to a kitchen utensil technical field particularly, relates to a heating tube subassembly and cooking utensil.

Background

For baked products, temperature field uniformity is one of the most critical indicators for the quality of the product. The uniformity of the temperature field can influence the baking and coloring conditions of the food, and the uniformity of the temperature field can avoid the problems of inconsistent color and luster of the surface of the food, inconsistent maturity of different areas and the like. At present, the oven has a common problem that the temperature of the area near the middle of the oven core is higher, and the temperature of the area near the peripheral wall is lower, so that the internal temperature distribution is uneven, and the baking effect of food is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the first aspect of the present invention provides a heating tube assembly.

A second aspect of the present invention is to provide a cooking apparatus.

In view of this, according to the first aspect of the present invention, the present invention provides a heating tube assembly, including: a support; the heating tube is arranged on the bracket; and the thermal resistance blocking piece is arranged on the bracket and is positioned in the middle of the heating tube along the length direction.

The heating tube component provided by the utility model comprises a bracket, a heating tube and a thermal resistance blocking piece, wherein the bracket is used for supporting and installing the heating tube and the thermal resistance blocking piece, namely, the heating tube and the thermal resistance blocking piece are both installed on the bracket, furthermore, the thermal resistance blocking piece is positioned at the middle part of the heating tube along the length direction, namely, the thermal resistance blocking piece is positioned at the position on the bracket corresponding to the middle part of the heating tube along the length direction, thereby preventing direct diffusion of heat generated by the heat pipe, reducing the heat transfer rate of the middle region in the length direction of the heat pipe, meanwhile, the thermal resistance blocking piece can also make partial heat generated in the middle of the heating tube diffuse to the two ends of the thermal resistance piece, so that the heat in the corresponding positions of the middle and the two ends of the heating tube is uniform, therefore, the heat generated by the heating tube is distributed more evenly in the length direction of the heating tube, and the temperature distribution of the area around the heating tube is more uniform. And, the utility model discloses a heating tube subassembly's simple structure, it is with low costs, and temperature homogeneity is good, is suitable for the popularization of product.

Additionally, the utility model provides an above-mentioned technical scheme in the heating tube subassembly can also have following additional technical characteristics:

in the above technical solution, further, the length of the thermal barrier is 1/3 of the length of the heating tube.

In the technical scheme, the length of the thermal resistance blocking piece is 1/3 of the length of the heating tube, and within the range, the heat transfer speed of the middle area in the length direction of the heating tube can be reduced, so that the heat generated by the heating tube is distributed more evenly in the length direction of the heating tube, and the heating efficiency of the heating tube is prevented from being influenced due to the overlong length of the thermal resistance blocking piece.

In any of the above technical solutions, further, a gap is provided between the thermal barrier and the heating tube.

In the technical scheme, a gap is formed between the thermal resistance blocking piece and the heating tube, namely the thermal resistance blocking piece is not directly contacted with the heating tube, so that the service life of the heating tube can be prolonged.

In any of the above technical solutions, further, both ends of the heat pipe along the length direction are connected with the bracket.

In this technical scheme, the heating tube is connected with the support along the ascending both ends of length direction for the support can be through the heating tube along the ascending both ends fixed heating tube in length direction, and the main position of generating heat of avoiding the heating tube leads to the heating tube damaged with the support contact, thereby can prolong the life of heating tube.

In any of the above technical solutions, further, the bracket includes: the bracket body is arranged along the length direction of the heating tube; the installation department sets up the both ends at the support body, is equipped with at least one installation position on the installation department, and the tip of heating tube is inserted and is established in the installation position.

In this technical scheme, the support includes support body and installation department, is equipped with at least one installation position on the installation department, and the tip of heating tube is inserted and is established realizing being connected of heating tube and support in the installation position to make the connection between heating tube and the support simple, be convenient for equipment and dismantlement.

In any of the above technical solutions, further, the thermal barrier is a barrier plate, and both ends of the barrier plate are fixed on the bracket body; or the thermal barrier is a protective cover which is fixed on the bracket body and is arranged around the periphery of the heating tube.

In the technical scheme, the thermal resistance blocking part is the blocking plate, the two ends of the blocking plate are fixed on the support body, the blocking plate is simple in structure and convenient to process and produce, the two ends of the blocking plate are directly fixed on the support body, the blocking plate can be conveniently assembled, and the assembling efficiency is improved. Or the thermal resistance blocking piece is a protective cover which is fixed on the bracket body, and the protective cover can play a role of protecting the heating tube, so that the heating tube is prevented from being damaged due to the fact that other objects contact the heating tube, and the service life of the heating tube is prolonged.

In any of the above technical solutions, further, the plurality of mounting locations are provided on the mounting portion at intervals based on a condition that the mounting portion has the plurality of mounting locations.

In this technical scheme, based on the condition that has a plurality of installation positions on the installation department, a plurality of installation position intervals set up on the installation department for heating tube subassembly interval sets up on the support, avoids between a plurality of heating tubes position too closely and influences heat transfer efficiency.

In any of the above technical solutions, further, the number of the heating tubes is plural, and a protective cover is disposed on the periphery of each heating tube; or a plurality of heating tubes are arranged on a bracket at intervals, and a blocking plate covers part of the plurality of heating tubes.

In the technical scheme, the number of the heating tubes is multiple, and the periphery of each heating tube is provided with a protective cover, so that the heating tubes are high in installation flexibility; and, set up the safety cover in the periphery of every heating tube, the safety cover can play the effect of protection heating tube, prevents to place the object of treating heating in the culinary art chamber of oven and contact the heating tube and lead to the heating tube damaged, prolongs the life of heating tube. Or the plurality of heating tubes are arranged on the support at intervals, and one blocking plate covers part of the plurality of heating tubes, so that one blocking plate can be matched with the plurality of heating tubes to block direct diffusion of heat.

In any of the above technical solutions, further, the thermal barrier is a metal thermal barrier.

In the technical scheme, the thermal resistance blocking piece is a metal thermal resistance blocking piece, and the metal thermal resistance blocking piece has the advantages of good heat resistance, difficult combustion, small property change along with the change of temperature, good mechanical strength, good durability and difficult aging, and is suitable for being matched with the heating tube to block heat generated by the heating tube.

According to the utility model discloses a second aspect, the utility model provides a cooking utensil, including the culinary art chamber, and the heating tube subassembly that any embodiment of the first aspect provided, therefore, the utility model discloses a cooking utensil that the embodiment provided has all beneficial effects of the heating tube subassembly that any embodiment of the first aspect provided, does not enumerate one by one here.

Specifically, the heating tube subassembly sets up in cooking utensil's culinary art chamber, or the heating tube subassembly sets up in the accommodation space that forms between cooking utensil's the outer wall in cooking utensil's culinary art chamber and cooking utensil's shell, and wherein, the length direction of heating tube subassembly sets up along the length direction in culinary art chamber for the both ends of heating tube subassembly are close to the lateral wall in culinary art chamber, and the middle part of heating tube subassembly is located the position that is close to the center in culinary art chamber, because the utility model discloses a partial heat that the heating tube subassembly produced can be to the both ends diffusion of heating tube subassembly, makes the distribution of the heat that the heating tube subassembly produced more balanced in the length direction of heating tube subassembly, thereby makes the temperature distribution of culinary art intracavity portion more even.

In the description of the present invention, it should be noted that the present invention provides a cooking device, which can be used for cooking food, including but not limited to an oven and a microwave oven.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view showing heat transfer between one heat generating pipe and an article to be heated in the related art;

fig. 2 is a schematic view showing heat transfer between another heat generating pipe and an article to be heated in the related art;

fig. 3 is a schematic view illustrating heat transfer between a heat generating pipe and an object to be heated in a heat generating pipe assembly according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a heat-generating tube assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view showing a heat generating tube assembly according to another embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a cooking appliance according to an embodiment of the present invention;

fig. 7 shows a schematic structural diagram of a cooking appliance according to another embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

120 ' heating tube, 122 ' heating tube cold end, 150 ' heating object.

Wherein, the correspondence between the reference numbers and the part names in fig. 3 to 7 is:

100 heating tube components, 110 supports, 112 support bodies, 114 installation parts, 120 heating tubes, 122 cold ends of the heating tubes, 124 matching parts, 130 blocking plates, 140 protective covers, 150 to-be-heated objects, 200 cooking utensils and 210 cooking cavities.

Detailed Description

In order that the above aspects, features and advantages of the present invention can be more clearly understood, a further detailed description of the present invention will be given below with reference to the accompanying drawings and the detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A heating tube assembly and a cooking appliance according to some embodiments of the present invention will be described below with reference to fig. 3 to 7.

Example one

As shown in fig. 3 to 5, according to a first aspect of the present invention, the present invention provides a heat generating tube assembly 100, including: bracket 110, heating tube 120 and thermal barrier.

Specifically, the heating tube 120 is disposed on the bracket 110, and the thermal barrier is disposed on the bracket 110 and is located at the middle of the heating tube 120 in the length direction.

The utility model provides a heating tube assembly 100 includes support 110, heating tube 120 and thermal resistance fender piece, support 110 is used for supporting and installing heating tube 120 and thermal resistance fender piece, that is, heating tube 120 and thermal resistance fender piece are all installed on support 110, furthermore, thermal resistance fender piece is located heating tube 120 along the ascending middle part of length direction, that is, thermal resistance fender piece is located the position that corresponds with the ascending middle part of length direction of heating tube 120 on support 110, thereby the direct diffusion of the heat that the portion of blockking produced by heat pipe 120, reduce the regional heat transfer rate in middle part on the length direction of heating tube 120, and simultaneously, thermal resistance fender piece can also make the partial heat that the middle part of heating tube 120 produced diffuse to the both ends of thermal resistance piece, make the heat of the middle part of heating tube 120 and the position that both ends correspond even, thereby realize that the distribution of the heat that heating tube 120 produced is more balanced in the length direction of heating tube 120, the temperature distribution of the area around the heat generating tube 120 is more uniform. Furthermore, the heating tube assembly 100 of the present invention has a simple structure, low cost, and good temperature uniformity, and is suitable for popularization of products.

It is understood that, in the operation of the heat generating tube 120 ' of the related art, as shown in fig. 1 and 2, it can be seen that the heated material 150 ' located at the middle region is closer to the overall heat conducting path of the heat generating tube 120 ', and the heated material 150 ' located at the two ends is farther from the overall heat conducting path of the heat generating tube 120 '. Meanwhile, the left end and the right end of the heating tube 120 'are provided with the heating tube cold ends 122', and the heating efficiency of the heating tube cold ends 122 'is lower than that of the middle part of the heating tube 120'. The utility model discloses a heating tube assembly 100 has solved the tip of heating tube 120 'among the correlation technique and has had heating tube cold junction 122', and the efficiency of generating heat of heating tube cold junction 122 'is less than heating tube 120' middle part, and the heat that leads to the middle part of heating tube 120 'to produce is greater than the heat that heating tube cold junction 122' produced and causes the heat to distribute inhomogeneously, and the temperature in the region that is close to heating tube cold junction 122 'is obviously less than the problem of the regional temperature that is close to heating tube 120' middle part.

It can be understood that the utility model discloses a heating tube assembly 100's commonality is strong, can be used in cooking utensil 200 such as various types of ovens, microwave ovens for the heat distribution among cooking utensil 200 is more balanced, and temperature distribution is more even.

Further, the length of the thermal resistance blocking member is 1/3 that is the length of the heating tube 120, that is, the thermal resistance blocking member is disposed on the periphery of the middle 1/3 portion of the heating tube 120 in the length direction, and by setting the length of the thermal resistance blocking member to 1/3 that is the length of the heating tube 120, the heat transfer speed in the middle area of the heating tube 120 in the length direction can be reduced, so that the distribution of the heat generated by the heating tube 120 in the length direction of the heating tube 120 is more balanced, and the heating efficiency of the heating tube 120 can be prevented from being affected by the too long length of the thermal resistance blocking member.

Furthermore, a gap is formed between the thermal barrier and the heating tube 120, that is, the thermal barrier does not directly contact with the heating tube 120, and the article is deformed when heated, so that the thermal barrier is not in direct contact with the heating tube 120, which can prevent the thermal barrier and the heating tube 120 from being damaged due to the thermal expansion rate difference, thereby prolonging the service life of the heating tube 120.

Example two

In any of the above embodiments, as shown in fig. 4 and 5, the heat generating tube 120 is connected to the bracket 110 at both ends in the length direction.

In this embodiment, the two ends of the heating tube 120 along the length direction are connected to the bracket 110, so that the bracket 110 can fix the heating tube 120 through the two ends of the heating tube 120 along the length direction, thereby preventing the main heating part of the heating tube 120 from contacting the bracket 110 to damage the heating tube 120, and prolonging the service life of the heating tube 120. Furthermore, the two ends of the heating tube 120 along the length direction are provided with the matching portions 124, the matching portions 124 are connected with the bracket 110, and the matching portions 124 may be made of a material which is not easy to burst or damage, so that the stability of the heating tube 120 can be improved, and the service life of the heating tube 120 can be prolonged.

Further, as shown in fig. 4 and 5, the bracket 110 includes a bracket body 112 and a mounting portion 114, the mounting portion 114 is provided with at least one mounting position, and an end portion of the heating tube 120 is inserted into the mounting position to achieve connection between the heating tube 120 and the bracket 110, so that connection between the heating tube 120 and the bracket 110 is simple, and assembly and disassembly are facilitated. Specifically, the rack body 112 is disposed along a length direction of the heat pipe 120, two ends of the rack body 112 are respectively provided with one mounting portion 114, each mounting portion 114 is provided with at least one mounting position, and two ends of the heat pipe 120 are respectively inserted into the mounting positions at two ends of the rack body 112. Further, the mounting position can be a mounting groove or a mounting hole.

EXAMPLE III

In any of the above embodiments, as shown in fig. 5, the thermal barrier is a blocking plate 130, two ends of the blocking plate 130 are fixed on the bracket body 112, the blocking plate 130 can directly diffuse heat generated by the heat pipe 120 from a blocking portion on one side of the heat pipe 120, so as to reduce the heat transfer speed of the middle area in the length direction of the heat pipe 120, and make the heat generated by the heat pipe 120 distributed more evenly in the length direction of the heat pipe 120; meanwhile, the barrier plate 130 has a simple structure, is convenient to process and produce, and the two ends of the barrier plate 130 are directly fixed on the bracket body 112, so that the barrier plate 130 is convenient to assemble, and the assembly efficiency is improved.

Specifically, for the oven with the hidden heating tubes 120, as shown in fig. 6, that is, the heating tubes 120 are disposed in the accommodating space formed between the outer wall of the cooking cavity 210 of the oven and the outer shell of the oven, the thermal barrier is a barrier plate 130, the barrier plate 130 is disposed between the heating tubes 120 and the outer wall of the cooking cavity 210 of the oven, the barrier plate 130 has a simple structure and is convenient for processing and production, and, based on the condition that the number of the heating tubes 120 is multiple, as shown in fig. 5, the heating tubes 120 are disposed on the bracket 110 at intervals, one barrier plate 130 can be matched with the heating tubes 120 to block direct diffusion of heat, reduce the heat transfer speed of the middle area in the length direction of the heating tubes 120, so that the distribution of the heat generated by the heating tubes 120 in the length direction of the heating tubes 120 is more balanced.

In another embodiment, as shown in fig. 4, the thermal barrier is a protective cover 140, the protective cover 140 is fixed on the bracket body 112, the protective cover 140 surrounds the outer periphery of the heat generating tube 120, the protective cover 140 can directly diffuse the heat generated by the heat pipe 120 from the barrier portion of the outer periphery of the heat generating tube 120, and the heat transfer rate of the middle area in the length direction of the heat generating tube 120 is reduced, so that the heat generated by the heat generating tube 120 is distributed more evenly in the length direction of the heat generating tube 120; meanwhile, the protection cover 140 may also play a role in protecting the heating tube 120, so as to prevent other objects from contacting the heating tube 120 to damage the heating tube 120, and prolong the service life of the heating tube 120.

Specifically, when the utility model discloses a when heating tube assembly 100 is used in the oven, to the exposed oven of heating tube 120, as shown in fig. 7, also be that heating tube 120 directly sets up in the culinary art chamber 210 of oven, thermal resistance keeps off and is safety cover 140, and safety cover 140 can play the effect of protection heating tube 120, prevents to place the article 150 of treating the heating in the culinary art chamber 210 of oven and contact heating tube 120 and lead to heating tube 120 damaged, extension heating tube 120's life.

Example four

In any of the above embodiments, as shown in fig. 5, the plurality of mounting locations are spaced apart on the mounting portion 114 based on the fact that the mounting portion 114 has the plurality of mounting locations.

In this embodiment, the plurality of mounting positions are spaced apart from each other on the mounting portion 114 based on the mounting portion 114 having a plurality of mounting positions, so that the heat generating tube assemblies 100 are spaced apart from each other on the bracket 110, thereby preventing the heat generating tubes 120 from being positioned too close to each other and affecting the heat transfer efficiency.

Further, in a specific embodiment, the number of the heating tubes 120 is plural, and a protective cover 140 is disposed on the periphery of each heating tube 120, that is, the plural heating tubes 120 are separately disposed, so that each heating tube 120 is independently disposed on one support 110, and each support 110 is provided with one protective cover 140, so that the heating tubes 120 have high installation flexibility; moreover, the protective cover 140 is disposed on the periphery of each heating tube 120, and the protective cover 140 can protect the heating tube 120, so as to prevent the heating tube 120 from being damaged due to the contact of the article 150 to be heated placed in the cooking cavity 210 of the oven with the heating tube 120, thereby prolonging the service life of the heating tube 120.

Further, in another embodiment, as shown in fig. 5, a plurality of heat generating tubes 120 are disposed on one support 110 at intervals, and one blocking plate 130 covers a portion of the plurality of heat generating tubes 120, so that one blocking plate 130 can cooperate with the plurality of heat generating tubes 120 to block direct diffusion of heat, reduce the heat transfer rate of the central area in the length direction of the plurality of heat generating tubes 120, and make the distribution of heat generated by the heat generating tubes 120 in the length direction of the heat generating tubes 120 more uniform.

Furthermore, the thermal resistance blocking piece is a metal thermal resistance blocking piece, and the metal thermal resistance blocking piece has the advantages of good heat resistance, difficult combustion, small property change along with the change of temperature, good mechanical strength, good durability and difficult aging, and is suitable for being matched with a heating piece to block heat generated by the heating piece.

Embodiments of the second aspect of the present invention provide a cooking appliance 200.

As shown in fig. 6 and 7, the cooking apparatus 200 provided by the present invention includes a cooking cavity 210 and the heat-generating tube assembly 100 provided in any embodiment of the first aspect, and therefore, the embodiment of the present invention provides the cooking apparatus 200 having all the advantages of the heat-generating tube assembly 100 provided in any embodiment of the first aspect, which are not listed herein.

Specifically, as shown in fig. 4 to 7, the heat-generating tube assembly 100 is disposed in the cooking cavity 210 of the cooking appliance 200, or the heat-generating tube assembly 100 is disposed in the accommodating space formed between the outer wall of the cooking cavity 210 of the cooking appliance 200 and the housing of the cooking appliance 200, wherein the length direction of the heat-generating tube assembly 100 is disposed along the length direction of the cooking cavity 210, so that the two ends of the heat-generating tube assembly 100 are close to the side wall of the cooking cavity 210, and the middle part of the heat-generating tube assembly 100 is located at a position close to the center of the cooking cavity 210, because the partial heat generated by the heat-generating tube assembly 100 of the present invention can be diffused toward the two ends of the heat-generating tube assembly 100, so that the distribution of the heat generated by the heat-generating tube assembly 100 in the length direction of the heat-generating tube assembly 100 is more balanced, and.

It can be understood that the temperature in the cooking cavity of the cooking appliance in the related art is higher near the middle area and lower near the peripheral side wall. The utility model discloses a cooking utensil 200, through increasing the heat transfer thermal resistance that is close to middle zone (also high temperature region) in the culinary art chamber 210, reduce the heat transfer speed who is close to middle zone in the culinary art chamber 210, simultaneously with the partial heat direction that is close to middle zone in the culinary art chamber 210 be close to the low temperature region of lateral wall all around, thereby make the heat distribution in the culinary art chamber 210 more balanced, temperature distribution is more even, and then the tip of having solved heating tube 120 'among the correlation technique has heating tube cold junction 122' to lead to heat distribution inhomogeneous, and the heat in the culinary art intracavity also through the lateral wall all around constantly outwards run off, lead to the culinary art intracavity to be close to middle zone temperature on the high side, be close to the problem that the regional temperature of lateral wall is on the low side all around, make the temperature distribution in the.

In the description of the present invention, it should be noted that the "cooking utensil 200" mentioned in the present invention may include any cooking utensil 200 capable of cooking food according to the embodiments of the present invention, including but not limited to an oven and a microwave oven.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely 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; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 (10)

1. A heating tube assembly, comprising:

a support;

the heating tube is arranged on the bracket;

and the thermal resistance blocking piece is arranged on the bracket and is positioned in the middle of the heating tube along the length direction.

2. The heat generation tube assembly according to claim 1,

the length of the thermal barrier is 1/3 times the length of the heating tube.

3. The heat generation tube assembly according to claim 1,

a gap is arranged between the thermal resistance blocking piece and the heating tube.

4. The heat generation tube assembly according to claim 1,

the heating tube is connected with the bracket along two ends in the length direction.

5. A heat generating tube assembly according to any one of claims 1 to 4, wherein the cradle comprises:

the bracket body is arranged along the length direction of the heating tube;

the installation department sets up the both ends of support body, be equipped with at least one installation position on the installation department, the tip of heating tube is inserted and is established in the installation position.

6. The heat generation tube assembly according to claim 5,

the thermal barrier is a barrier plate, and two ends of the barrier plate are fixed on the bracket body; or

The thermal barrier is a protective cover which is fixed on the bracket body and surrounds the periphery of the heating tube.

7. The heat generation tube assembly according to claim 5,

based on the condition that the installation part is provided with a plurality of installation positions, the installation positions are arranged on the installation part at intervals.

8. The heat generation tube assembly according to claim 6,

the number of the heating tubes is multiple, and the periphery of each heating tube is provided with one protective cover; or

The plurality of heating tubes are arranged on the bracket at intervals, and one blocking plate covers part of the plurality of heating tubes.

9. The heat generating tube assembly according to any one of claims 1 to 4,

the thermal resistance blocking part is a metal thermal resistance blocking part.

10. A cooking appliance, comprising:

a cooking cavity; and

a heat generation tube assembly as claimed in any one of claims 1 to 9.

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