CN212438309U

CN212438309U - Cooking utensil that culinary art effect is good

Info

Publication number: CN212438309U
Application number: CN202020024347.0U
Authority: CN
Inventors: 朱泽春; 吴超; 崔卫民; 刘海亮
Original assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Current assignee: Hangzhou Jiuchuang Home Appliances Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2021-02-02
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to a cooking utensil that culinary art is effectual, including the culinary art chamber with install in the heating tube of culinary art intracavity, the heating tube includes container, the suspension in the container flaky heat-generating body, wears out the power supply portion at container both ends, and power supply portion is connected at the both ends of heat-generating body, the heat-generating body includes plane portion, is the threadiness lateral part, the district is placed to the edible material of plane portion orientation culinary art intracavity. The utility model provides a technical scheme can make to eat the material and place the district and can obtain a large amount of heats in shorter time fast, makes the surface of food color fast and solidify in order to pin its inside moisture, realizes the food crisp tender taste in the outer and good effect of color and luster.

Description

Cooking utensil that culinary art effect is good

Technical Field

The utility model relates to a kitchen utensil field particularly, relates to a cooking utensil that culinary art is effectual.

Background

Patent CN101861758A discloses a heat generating tube, which is composed of a heat-resistant glass tube, a heat generating body and a power supply part, wherein the heat generating body is a thin film sheet made of a material containing a carbon-based substance, has two-dimensional isotropic heat conductivity in the plane direction, and can rapidly heat up and efficiently generate heat overall when energized. Therefore, the heating tube is gradually applied to the cooking utensil to replace the existing heating tube with slow heating temperature rise, and further the cooking efficiency of the cooking utensil is improved.

For example, in an electric oven, it is desirable to bake a food that is crisp outside and tender inside and has a good color, which requires that the food quickly acquire enough heat in a short time to quickly color its surface and solidify to lock the moisture inside, which is especially important for food with low moisture content. However, the heating element is a sheet-shaped structure and has two-dimensional isotropic thermal conductivity in the plane direction, the heat radiation area of the heating element surface 50 is much larger than that of the heating element surface 60, so that the heat generated by the heating element surface 50 is much larger than that of the heating element surface 60, and further, the heat radiation amount of the heating tube in the circumferential direction is greatly different, as shown in fig. 1. Therefore, whether the food material placing area can quickly obtain enough heat in a short time or not has important significance for baking the food which is crisp outside and tender inside and has beautiful color.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a cooking utensil that culinary art effect is good.

The utility model discloses a following technical scheme realizes:

the utility model provides a cooking utensil that culinary art is effectual, includes the culinary art chamber and installs the heating tube in the culinary art intracavity, the heating tube includes container, the flaky heat-generating body of suspension in the container, wears out the power supply portion at container both ends, and the power supply portion is connected at the both ends of heat-generating body, the heat-generating body includes plane portion, is linear lateral part, plane portion places the district towards the edible material of culinary art intracavity.

Further, the plane portion faces the food material placing area in the cooking cavity.

Furthermore, two ends of the heating body are respectively provided with a second heating area, and a first heating area with the temperature lower than that of the second heating area is arranged between the second heating areas.

Furthermore, a cutting seam is arranged on the first heat-generating area.

Further, the first heat generating area is a conductive part electrically connected with an end part of the second heat generating area.

Furthermore, a support member is arranged on the conductive part.

Further, the heat generating pipe is installed at an upper portion of the cooking cavity.

Further, the heating tube is installed at the lower part of the cooking cavity, and the side part faces to the food material placing area in the cooking cavity.

Further, the heating body comprises a first heating area and at least two second heating areas with the temperature lower than that of the first heating area, the first heating area and the second heating areas are alternately arranged in the length direction of the heating body, and the first heating areas are arranged at least at two ends of the heating body.

Furthermore, the outer wall of the container is provided with a salient point for marking the installation direction.

Compared with the prior art, the beneficial effects of adopting the technical scheme are that:

1. the heat-generating body includes plane portion, is the linear lateral part, the district is placed towards the edible material of culinary art intracavity to plane portion, makes the biggest heat radiation area on the heat-generating body place the district towards eating the material, makes to eat the material and places the district and can obtain a large amount of heats in short time fast, makes the surface of food color fast and solidify in order to pin its inside moisture, realizes food crisp tender taste and the good effect of color and luster in the outer crisp.

2. The district is placed just to the edible material of culinary art intracavity to plane portion, makes the heat-generating body heat radiation to eat the heat maximize of placing the district, further makes to eat the material and places the district and can obtain a large amount of heats in short time fast, makes the surface of food color fast and solidify in order to pin its inside moisture, realizes the crisp tender taste in the outer of food and the good effect of color and luster.

3. The two ends of the heating body are respectively provided with the second heating areas, the first heating area with the temperature lower than that of the second heating areas is arranged between the second heating areas, the heat radiation energy distribution of the food material placing areas is optimized, the heat concentration of the central area of the food material placing areas is avoided, and the temperature distribution of the food material placing areas is more uniform.

4. The first heating area is provided with the cutting seams, so that the temperature of the first heating area can be adjusted, and the first heating area is matched with the second heating area, so that the heat radiation energy distribution of the food material placing area is further optimized, the heat concentration of the central area of the food material placing area is avoided, and the temperature distribution of the food material placing area is more uniform.

5. The first heating area is a conductive part electrically connected with the end part of the second heating area, so that the phenomenon that the heating element is softened and sags under the action of the gravity of the heating element can be avoided in the long-term use process of the heating element, and the reliability of the heating tube is improved.

5. The conductive part is provided with a support piece, so that the heating body can be further kept to be capable of absorbing stress and diffusing heat stably under the condition of thermal stress, the position change of the heating body in the container is prevented, and the reliability of the heating tube is improved.

6. The heating tube is arranged on the upper part of the cooking cavity, so that infrared rays emitted by the heating tube can effectively permeate into food, and shielding of other components in the cooking cavity to the infrared rays is reduced.

7. The lower part of culinary art chamber is installed the heating tube, the district is placed towards the edible material of culinary art intracavity to the lateral part to the realization is placed comparatively even radiant heating of lower part in district to the edible material, avoids eating the risk that material bottom part is burnt by the roast.

8. The heating body comprises a first heating area and at least two second heating areas with the temperature lower than that of the first heating area, the first heating area and the second heating areas are alternately arranged in the length direction of the heating body, the first heating areas are arranged at the two ends of the heating body at least, and the alternating high-temperature area and the alternating low-temperature area are arranged on the heating body, so that the local heat concentration of the food material placing area is avoided, the temperature of the food material placing area tends to be uniform, and the food is uniformly heated.

9. The outer wall of the container is provided with the salient points for marking the installation direction, so that the heating tube is convenient to install in the cooking cavity, and the assembly accuracy and the assembly efficiency are improved.

Drawings

The invention is described in further detail below with reference to the accompanying drawings:

FIG. 1 is a schematic view showing the temperature distribution of a heat generating body in a vertical direction in a heat generating tube

FIG. 2 is a schematic structural diagram of a cooking appliance according to an embodiment;

FIG. 3 is a schematic view of a planar heat radiation for implementing a heat generator

FIG. 4 is a schematic structural diagram of a heat pipe according to an embodiment;

FIG. 5 is a schematic view showing a structure of a heat-generating body according to the first embodiment;

FIG. 6 is an enlarged view of A in FIG. 5;

FIG. 7 is a cross-sectional view of a cooking chamber according to the first embodiment;

FIG. 8 is a schematic structural view of a heat generating tube according to a second embodiment;

FIG. 9 is a schematic view showing a structure of a heat-generating body according to a second embodiment;

FIG. 10 is an enlarged view of B in FIG. 9;

FIG. 11 is a schematic view showing a structure of a heat-generating body of a third embodiment;

FIG. 12 is a schematic view showing a structure of a heat-generating body of a fourth embodiment;

fig. 13 is a schematic structural view of a cooking appliance of the fifth embodiment;

the corresponding reference numbers for the component names in the figures are as follows:

100. a cooking appliance; 10. a heat generating tube; 11. a heating element; 111. a side surface portion; 112. a planar portion; 113. a first heat-generating zone; 114. a second heat generation region; 115. a wide part; 116. a narrow secondary portion; 117. cutting a seam; 12. a power supply unit; 121. a holder; 122. a support member; 123. an inner lead; 124. a molybdenum foil; 125. an external lead; 13. a container; 14. salient points; 20. a cooking cavity; 21. a food material placement area; 22. an upper wall; 23. a transition section; 24. a rear wall; 25 lower wall; 30. a display control panel; 40. a toaster door; 50. a surface of the heater; 60. a surface of the heater; 70. a temperature profile.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 2 to 4, the utility model provides a cooking utensil 100 that culinary art efficiency is high, including culinary art chamber 20 and heating tube 10, heating tube 10 includes container 13, suspension in container 13 flaky heat-generating body 11, wear out the power supply portion 12 at container 13 both ends, and power supply portion 12 is connected at the both ends of heat-generating body 11, heating tube 10 installs in the upper portion of culinary art chamber 20, can make in the infrared ray that heating tube 10 sent can effectual infiltration food, reduces other parts in the culinary art chamber 20 and to the sheltering from of infrared ray, improve culinary art efficiency and energy-conservation.

In this embodiment, the heating element 11 includes plane portion 112, is linear lateral part 111, district 21 is placed towards the edible material of cooking the intracavity to plane portion 112, makes the biggest heat radiation area on the heating element 11 place district 21 towards the edible material, makes edible material place district 21 can obtain a large amount of heats in short time fast, makes the surface of food color fast and solidify in order to pin its inside moisture, realizes the outer crisp tender taste in inside of food and the good effect of color and luster.

Preferably, the plane portion 112 is just facing to the food material placing area 21 in the cooking cavity 20, so that the heat radiation from the heating element 11 to the heat of the food material placing area 21 is maximized, and further the food material placing area 21 can rapidly obtain a large amount of heat in a short time, so that the surface of the food is rapidly colored and solidified to lock the water in the food, and the effects of crisp outside and tender inside of the food and good color and luster are realized.

It is understood that the food material placing area 21 is a baking tray or a baking net in an oven.

In the present embodiment, as shown in fig. 5 and 6, the heating element 11 includes the wide portions 115 and the narrow sub-portions 116, the wide portions 115 and the narrow sub-portions 116 are continuously and alternately provided in the longitudinal direction of the heating element 11, the resistance of the heating element 11 is increased in a limited area of the heating element 11, and the heat radiation amount of the heating element 11 is increased because the resistance of the heating element 11 is proportional to the temperature.

In the present embodiment, the wide portion 115 is provided with a slit 117 at an intermediate position, and further, the resistance of the heating element is increased in a limited area of the heating element, thereby increasing the amount of heat radiation from the heating element 11.

In this embodiment, the internal diameter of container 13 is D, the width of heat-generating body 11 is L, and 1.05L is less than or equal to D and is less than or equal to 1.1L, can be convenient for heat-generating body 11 to install in container 13, can make the width of heat-generating body 11 ground plane portion 112 increase as far as possible again to can further increase the heat radiation area of heating tube to eating material placing region 21, thereby make eating material placing region 21 obtain sufficient heat more fast in the short time, make the surface of food color fast and solidify in order to pin its inside moisture, realize the outer crisp tender taste of lining of food and the good effect of color and luster.

It is to be understood that the wide width portion 115 and the narrow width portion 116 are formed by laser cutting the heat-generating body 11. Specifically, the heating element 11 is processed by pulse laser to obtain a desired shape, wherein, for the cutting seam with the cutting seam width of more than 80 μm, the wavelength of 1064nm is selected for processing, and as the laser under the wavelength belongs to thermal processing, the melting, ablation and evaporation are generated on the surface of the material, so that the complete ablation at the cutting seam is realized, and the processing quality of the heating element is improved; selecting short wavelength laser with wavelength of 532nm or 355nm for cutting slit with width below 80 μm; wherein, the heating element is cut and processed by adopting the pulse frequency of 20kHz, the pulse width of 70ns, the power of 30W and the cutting speed of 100mm/s, so that the heating element 11 is ensured to be cut and formed at one time, repeated cutting is avoided, and the processing efficiency and the precision are improved.

In the present embodiment, the heating element 11 is in the form of a thin film sheet mainly composed of a carbon-based substance and having two-dimensional isotropic thermal conductivity in the plane direction, and has flexibility, flexibility and elasticity, and the heat conductivity of the heating element is 200W/(m · K) and the thickness is 300 μm or less, and it is understood that the thickness of the heating element may be 100 μm, 150 μm, 200 μm, 250 μm, or the like; among them, the heat-generating body 11 may be constituted of carbon fiber, and a specific production method of the heat-generating body 11 is referred to a production method disclosed in patent CN 1622695B. The heat generating body 11 made of the carbon fiber cannot be subjected to the cutting process because the heat conduction performance of the carbon fiber in the longitudinal direction is rapidly deteriorated when the carbon fiber is partially cut, so that the temperature of the heat generating body 11 is not uniform and the reliability is lowered; the heating body 11 can also be a graphite sheet which has the processing design property, so that the temperature range on the heating tube can be adjusted; preferably, the heating element 11 is a graphite sheet.

The graphite flake is obtained by performing high-temperature heat treatment on a polymer film or a polymer film added with 0.2-20 wt% of a filler, and the preparation method of the graphite flake adopts a conventional preparation method of the graphite flake in the field.

In the present embodiment, the power supply unit 12 includes a holder 121 attached to both ends of the heating element, a supporter 122, an inner lead 123, molybdenum foils 124, and outer leads 125, the holder 121 fixes the inner lead 123, the inner lead 123 is electrically connected to the outer leads 125 led out from both ends of the container 13 to the outside of the container through the molybdenum foils 124 embedded in both end sealing portions of the container 13, the supporter 122 is provided on the inner lead 123, and the supporter 122 is a coil support frame.

It is understood that the material of the holder 121, the supporter 122, the inner lead 123 and the outer lead 125 is molybdenum metal.

It will be understood that the container 13 is closed or not. The container is not closed under the relatively low-temperature use environment below 800 ℃, so that the influence on the service life of the heating tube is small; preferably, the container 13 is closed.

In the present embodiment, both ends of the container 13 are melted into a flat plate shape, and an inert gas, which is a mixed gas of argon, nitrogen, argon and xenon, or argon and krypton, is filled inside the container to prevent oxidation of the heating element; the container 13 is made of a heat-resistant material, such as quartz glass, soda-lime glass, boric acid glass, lead glass and other glass materials; preferably, the container 13 is a quartz glass tube.

In the present embodiment, the cooking cavity 20 has a square structure, which is common in the field of oven technology; it can also be understood that the transition portions 23 are respectively arranged between the upper wall 22 and the rear wall 24 of the cooking cavity 20 and between the rear wall 24 and the lower wall 25, so as to increase the reflection area of the inner wall of the cooking cavity 20, thereby increasing the heat radiation amount of the whole food placing area 21, so that the food placing area 21 obtains enough heat in a relatively short time, as shown in fig. 7.

Example two

As shown in fig. 8 to 10, the utility model provides an embodiment two, with embodiment one difference lie in, in embodiment two, the both ends of heat-generating body 11 are equipped with second heating zone 114 respectively, be equipped with the first heating zone 113 that the temperature is less than second heating zone 114 between the second heating zone 114, optimized and eaten the thermal radiation energy distribution that the material placed zone 21, avoided eating the material and placed the central zone's of zone 21 heat concentration, made the material of eating place the more even of temperature distribution of zone 21.

Specifically, the heating body 11 includes wide portions 115 and narrow sub portions 116, the wide portions 115 and the narrow sub portions 116 are alternately arranged in the length direction of the heating body 11, a slit 117 is arranged in the middle of the wide portions 115, wherein the width W1 of the narrow sub portion 116 of the first heating region 113 is greater than the width W2 of the narrow portion 116 of the second heating region 114, the length of the slit 117 of the first heating region 113 is less than the length of the slit 117 of the second heating region 114, so that the temperature of the first heating region 113 is adjustable and matched with the second heating region 114, the heat radiation energy distribution of the food material placing region 21 is optimized, the heat concentration in the central area of the food material placing region is avoided, and the temperature distribution of the food material placing region 21 is more uniform.

In the present embodiment, the ratio of the width W1 of the narrow sub-portion 116 of the first heat generation region 113 to the width W2 of the narrow sub-portion 116 of the second heat generation region 114 is: 4.5W2 is not less than W1 is not less than 5.5W 2.

In the present embodiment, the length ratio of the slits 117 of the first heat generating region 113 to the slits 117 of the second heat generating region 114 is 0.12 to 0.2.

It can be understood that the wide portion 115, the narrow portion 116 and the wide portion 115 of the heating element 11 are provided with the slits 117, so that the heating path for conducting current can be increased, that is, the resistance of the heating element 11 can be increased in a limited area of the heating element 11, thereby increasing the heat radiation amount of the heating element 11.

It can be understood that the first heat-generating region 113 is a graphite sheet which is not processed by laser, so that the electrical resistance of the first heat-generating region 113 is small, the amount of heat radiation generated by the first heat-generating region 113 is far lower than that generated by the second heat-generating region 114, the amount of heat radiation generated by the first heat-generating region 113 is almost negligible, the heat concentration in the central area of the food material placing region 21 is avoided, and the temperature distribution of the food material placing region 21 is more uniform.

In the present embodiment, the length ratio of the first heat generating region 113 to the second heat generating region 114 is 0.3 to 0.55; preferably, the length ratio of the first heat generating region 113 to the second heat generating region 114 is 0.33-0.45.

In the present embodiment, the protruding points 14 for marking the installation direction are disposed on the outer wall of the container 13, so that the heating tube 10 can be conveniently installed in the cooking cavity 20, and the accuracy and efficiency of the assembly can be improved.

In the present embodiment, the protruding point 14 is provided in the middle of the outer wall of the container 13; preferably, the protruding points 14 are disposed on the outer wall of the container 13 corresponding to the first heat-generating region 113 to reduce the shielding of the protruding points from the heat radiation of the heat-generating tube, thereby reducing the heat-generating influence of the protruding points on the heat-generating tube.

In the embodiment, the height of the bump 14 is 1-5mm, which is convenient for the heating tube 11 to identify the bump 14 in the assembling process, and prevents the bump 14 from being too high and causing damage in the processes of carrying, mounting and the like, which results in the rejection of the heating tube.

It will be appreciated that the bumps 14 are provided during the forming of the container 13; the salient points 14 may also be provided during the manufacturing process of the heating tube, specifically, the middle part of the container 13 is provided with an air duct communicated with the inside of the container 13, after the heating body 11, the power supply part 12 and the container 13 are assembled, two ends of the container 13 are melted and sealed, the container 13 is vacuumized and filled with inert gas through the air duct, and then the air duct is fused and sealed to the container 13, so that the salient points 14 are formed on the outer wall of the container 13.

Other structures and effects of the parts not described are the same as those of the first embodiment, and are not described in detail here.

EXAMPLE III

As shown in fig. 11, the third embodiment of the present invention is different from the second embodiment in that in the third embodiment, the first heat generating area 113 is a conductive part electrically connected to an end of the second heat generating area 114, the conductive part is a molybdenum rod, and the molybdenum rod is electrically connected to an end of the second heat generating area 114 by a holder 121. Because the heating element 11 is too long and is easy to soften and droop in the long-term use process due to thermal expansion when being electrified and the influence of self gravity, even contacts the inner wall of the container 13, especially the middle part of the heating element 11, and influences the heating performance and reliability of the heating tube 10, the heating element 11 is arranged in sections by arranging the molybdenum rod at the middle position of the heating element 11, the phenomenon that the heating element 11 sags due to softening and self gravity can be avoided in the long-term use process of the heating element 11, and the reliability of the heating tube 10 is improved. In addition, the tensile strength of the heating element 11 is enhanced, and the rejection rate of the heating element 11 during installation is reduced.

The molybdenum rod is provided with a support member 122, so that the heating element 11 can be further stably absorbed by stress and diffused by heat under the condition of thermal stress, the position change of the heating element 11 in the container 13 is prevented, and the reliability of the heating tube 10 is improved.

Other structures and effects of the parts not described are the same as those of the embodiment, and are not described in detail here.

Example four

As shown in fig. 12, the fourth embodiment of the present invention is different from the first embodiment in that, in the fourth embodiment, the heating element includes a first heating area 113 and at least two second heating areas 114 with a temperature lower than that of the first heating area 113, the first heating area 113 and the second heating areas 114 are alternately arranged in the length direction of the heating element 11, and at least two ends of the heating element 11 are provided with the first heating area 113, and by arranging alternate high-temperature and low-temperature areas on the heating element 11, the local heat concentration of the food material placing area 21 is avoided, so that the temperature of the food material placing area 21 tends to be uniform, thereby realizing more uniform heating of food.

Specifically, the first heat-generating region 113 includes wide portions 115 and narrow sub-portions 116, the wide portions 115 and the narrow sub-portions 116 are alternately arranged in the longitudinal direction of the first heat-generating region 113, a slit 117 is provided at the middle position of the wide portions 115, and the second heat-generating region 114 is a graphite sheet that is not laser-processed, so that the temperature of the first heat-generating region 113 is higher than that of the second heat-generating region 114.

In the present embodiment, the length ratio of the second heat generation region 114 to the first heat generation region 113 is 0.3 to 0.55; preferably, the length ratio of the second heat generating region 114 to the first heat generating region 113 is 0.33-0.45.

In the present embodiment, the ratio of the length of the two adjacent first heat-generating regions 113 on the heat-generating body to the length of the heat-generating body 11 is 0.2 to 0.6.

It can also be understood that the second heat-generating region 114 includes a wide portion 115 and a narrow sub-portion 116, the wide portion 115 and the narrow sub-portion 116 are alternately arranged in the length direction of the second heat-generating region 114, a slit 117 is arranged in the middle of the wide portion 115, or a slit 117 is arranged in the middle of the second heat-generating region 114, so that the temperature of the second heat-generating region 114 can be adjusted to match with the first heat-generating region 113, the heat radiation energy distribution of the food material placing region 21 is further optimized, the heat concentration in the central area of the food material placing region 21 is avoided, and the temperature distribution of the food material placing region 21 is more uniform.

It is also understood that the second heat generating region 114 is a conductive part electrically connected to the end of the first heat generating region 113, the conductive part is a molybdenum rod, the molybdenum rod is fixedly and electrically connected to the end of the first heat generating region 113 through a holding member, and the resistance of the molybdenum rod is small, so that the temperature of the second heat generating region 114 is lower than that of the first heat generating region 113. In addition, the molybdenum rods are arranged in the longitudinal direction of the heating element 11, and the heating element 11 is arranged in segments, so that the heating element 11 can be prevented from softening and sagging under the action of gravity of the heating element 11 during long-term use of the heating element 11, and the reliability of the heating tube 10 is improved.

EXAMPLE five

As shown in fig. 13, a difference between the fifth embodiment of the present invention and the first embodiment of the present invention is that in the fifth embodiment, the heating tube 10 is respectively installed on the upper portion and the lower portion of the cooking cavity 20, the heating element 11 includes a planar portion 112 and a linear side portion 111, wherein the heating tube 10 is installed on the upper portion of the cooking cavity 20, and the planar portion 112 faces the food material placing area 21 in the cooking cavity 20; the heating tube 10 is installed at the lower portion of the cooking cavity 20, and the side portion 111 faces the food material placing region 21 in the cooking cavity 20, so that the baked food has a crisp outer and tender inner taste and a good color and luster effect and the bottom of the food material is prevented from being scorched.

Install the lower part of culinary art chamber 20 heating tube 10, district 21 is placed towards the edible material in the culinary art chamber 20 to lateral part 111, and lateral part 111's heat radiation area is little, and the heat is little, places district 21 towards edible material with lateral part 111, and the heat radiation is the radiation when placing district 21 to edible material, and the plane portion 112 that is located lateral part 111 both sides has complemented the intensity of radiation to edible material and place district 21 other positions radiation, has so realized comparatively even radiant heating, avoids edible material to place the high temperature that district 21 lower parts leads to eating the risk of material by the scorching.

Preferably, the heating tube 10 is installed on the upper portion of the cooking cavity 20, and the plane portion 112 faces the food material placing area 21 in the cooking cavity 20; the heating tube 10 is installed at the lower part of the cooking cavity 20, and the side part 111 faces the food material placing area 21 in the cooking cavity 20.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. The utility model provides a cooking utensil that culinary art is effectual, includes the culinary art chamber and installs the heating tube in the culinary art intracavity, the heating tube include the container, suspend in the flaky heat-generating body in the container, wear out the power supply portion at container both ends, the power supply portion is connected at the both ends of heat-generating body, a serial communication port, the heat-generating body includes plane portion, is linear lateral part, plane portion places the district towards the edible material of culinary art intracavity.

2. The culinary article of claim 1, wherein the planar portion faces an item receiving area within the cooking chamber.

3. The cooking appliance with good cooking effect as claimed in claim 1, wherein second heat generating areas are respectively provided at both ends of the heat generating body, and a first heat generating area having a temperature lower than that of the second heat generating area is provided between the second heat generating areas.

4. The culinary article of claim 3 wherein the first heat-generating zone is slitted.

5. The cooking utensil of claim 3 wherein the first heat generating area is a conductive portion electrically connected to an end of the second heat generating area.

6. The culinary article of claim 5, wherein the conductive portion comprises a support member.

7. The cooking utensil of any one of claims 1 to 6, wherein the heat generating pipe is installed at an upper portion of the cooking cavity.

8. The culinary article of claim 7, wherein the heat pipe is attached to a lower portion of the cooking cavity and the side portion faces a food material receiving area of the cooking cavity.

9. The cooking appliance of claim 1, wherein the heat generating body includes a first heat generating region and at least two second heat generating regions having a temperature lower than that of the first heat generating region, the first heat generating region and the second heat generating region are alternately arranged in a length direction of the heat generating body, and the first heat generating region is provided at least at both ends of the heat generating body.

10. The cooking utensil of any one of claims 1 to 6 wherein the outer wall of the container is provided with a raised point to indicate the direction of installation.