CN220917196U - Heating element and cooking equipment - Google Patents
Heating element and cooking equipment Download PDFInfo
- Publication number
- CN220917196U CN220917196U CN202322620435.3U CN202322620435U CN220917196U CN 220917196 U CN220917196 U CN 220917196U CN 202322620435 U CN202322620435 U CN 202322620435U CN 220917196 U CN220917196 U CN 220917196U
- Authority
- CN
- China
- Prior art keywords
- heating
- heating element
- utility
- model
- cooking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 129
- 238000010411 cooking Methods 0.000 title claims abstract description 62
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 238000000576 coating method Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model relates to the technical field of cooking equipment, and provides a heating element and cooking equipment, wherein the heating element comprises: the installation tube is internally provided with an installation cavity; the heating part is arranged in the mounting cavity; and electrodes arranged at both ends of the mounting tube; wherein, the inner wall of installation tube scribbles and is equipped with first coating that generates heat, the outer wall of installation tube scribbles and is equipped with the second coating that generates heat. The utility model provides a heating element and cooking equipment, which aim to solve the problems that the heating element of the cooking equipment in the prior art is low in heating efficiency and cannot uniformly heat.
Description
Technical Field
The utility model relates to the technical field of cooking equipment, in particular to a heating element and cooking equipment.
Background
At present, many cooking machines such as ovens, micro-steaming and baking, air fryers and the like are used for heating and baking food by using metal heating pipes or other heating pipes, but the heating pipes are low in heating efficiency and uneven in heating effect, so that the cooking time is long, the food is heated unevenly, the baking effect is not ideal, and a half of food is sandwiched between layers or baked to paste. The appearance, the taste and the nutritional value of the cooked food are affected to a certain extent, and the user experience is affected.
Disclosure of utility model
The utility model provides a heating element and cooking equipment, and aims to solve the problems that the heating element of the cooking equipment in the prior art is low in heating efficiency and cannot uniformly heat.
In order to solve the above problems, the present utility model provides a heating member for a cooking apparatus, the heating member comprising:
the installation tube is internally provided with an installation cavity;
the heating part is arranged in the mounting cavity; and
Electrodes arranged at two ends of the mounting tube;
Wherein, the inner wall of installation tube scribbles and is equipped with first coating that generates heat, the outer wall of installation tube scribbles and is equipped with the second coating that generates heat.
According to the heating element provided by the utility model, the first heating coating comprises a graphene coating.
According to the heating element provided by the utility model, the second heating coating comprises an alumina coating.
According to the heating element provided by the utility model, the ceramic seats are respectively arranged at the two ends of the mounting tube, and the electrodes are arranged on the ceramic seats.
According to the heating piece provided by the utility model, the heating part comprises a heating wire arranged in the mounting cavity.
According to the heating element provided by the utility model, the mounting pipe is annularly arranged.
The present utility model also provides a cooking apparatus comprising:
An apparatus body having a cooking cavity;
The heating element is arranged in the cooking cavity, and the heating element is any one of the heating elements.
According to the cooking equipment provided by the utility model, the side wall of the cooking cavity is provided with a plurality of continuous surfaces, at least one continuous surface is provided with the heating piece, and the heating piece is attached to the continuous surface.
According to the cooking equipment provided by the utility model, the side wall of the cooking cavity is provided with a plurality of continuous surfaces, and the heating piece is attached to each continuous surface.
According to the present utility model, there is provided a cooking apparatus wherein the continuous surface comprises an arc shape, a planar shape or a curved shape.
According to the heating piece provided by the utility model, the first heating coating and the second heating coating are arranged on the inner wall and the outer wall of the mounting pipe, so that the heating efficiency and the heating uniformity of the heating pipe can be obviously improved, and the problems that the food heating time of the cooking equipment is long, the food baking is insufficient and the taste is affected in the traditional technology are solved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first embodiment of a heating element according to the present utility model;
FIG. 2 is a schematic view of a second embodiment of a heating element according to the present utility model;
fig. 3 is a schematic structural view of a first embodiment of the cooking apparatus provided by the present utility model;
Fig. 4 is a schematic structural view of a second embodiment of the cooking apparatus provided by the present utility model.
Reference numerals:
10: a cooking device; 100: a heating member; 110: installing a pipe; 111: a mounting cavity; 120: a heating part; 130: an electrode; 140: a ceramic base; 200: an apparatus main body; 210: a cooking cavity; 220: continuous surface.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," 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 embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The heating element 100 and the cooking apparatus 10 provided by the present utility model are described below with reference to fig. 1 to 4.
In view of the problems that the heating member of the cooking apparatus in the conventional art has low heating efficiency and cannot uniformly heat. Referring to fig. 1, the present utility model provides a heating element 100 for a cooking apparatus 10, wherein the heating element 100 includes a mounting tube 110, and a mounting cavity 111 is formed in the mounting tube 110; a heating portion 120 provided in the mounting chamber 111; and electrodes 130 provided at both ends of the mounting tube 110.
It should be noted that, the mounting cavity 111 may be adapted to the shape of the mounting tube 110, and when the mounting tube 110 is configured to be cylindrical, the mounting cavity 111 may be correspondingly configured to be cylindrical; when the installation tube 110 is provided as a rectangular parallelepiped, the installation cavity 111 may be provided as a rectangular parallelepiped or other shape; the installation cavity 111 may extend along the length direction of the installation tube 110 to increase the installation area, or may be provided only at a partial position of the installation tube 110, which is not limited in the present utility model. The electrode 130 is used for being connected with voltage, and when the power connection is successful, the heating part 120 converts the electric energy into heat energy to generate heat.
In the technical scheme provided by the utility model, the inner wall of the installation tube 110 is coated with a first heating coating, and the outer wall of the installation tube 110 is coated with a second heating coating. The heating coating has good heat conductivity and high infrared radiation characteristics, and the technical effect of improving the overall heating rate of the heating pipe can be achieved by simultaneously coating the heating coating on the inner wall and the outer wall of the mounting pipe 110.
Specifically, the first heat generating coating comprises a graphene coating and the second heat generating coating comprises an alumina coating. The graphene coating has strong electric and heat conduction properties, and can realize rapid heating by coating the graphene on the inner surface of the mounting tube 110. It should be noted that the electrode 130 includes a positive electrode lead and a negative electrode lead, and the positive electrode lead and the negative electrode lead are respectively connected with the graphene coating, so that a circuit loop is formed, and the graphene coating can emit heat under the action of current.
The total light transmittance of the light-transmitting alumina crystal can reach more than 95 percent in the optical aspect, and the porosity is close to zero. Can see through visible light and infrared light, high temperature intensity is big, bending strength is good, has good electrical insulation property, and the service temperature is high (can reach more than 1700 ℃), through setting up the alumina coating at the surface of installation pipe 110, after heating piece 100 circular telegram, the luminous homogeneity of heating piece 100 can be improved for luminous uniformity is better, so alright show the holistic luminous homogeneity that improves heating piece 100, makes the heating effect to food more even. It should be noted that the alumina solution needs to be uniformly sprayed on the outer layer of the mounting tube 110 in a high temperature state, and then the alumina solution can be sufficiently and uniformly welded on the outer wall of the mounting tube 110 after being sintered at a high temperature.
Further, ceramic holders 140 are respectively disposed at two ends of the mounting tube 110, and each electrode 130 is disposed on each ceramic holder 140. The ceramic seats 140 are disposed at both ends of the mounting tube 110, and play a role in blocking the mounting tube 110, and meanwhile, the ceramic is also an insulating material, so that an electric shock can be prevented. It should be noted that, in order to ensure the safety of the heating element 100, the portions of the positive electrode lead and the negative electrode lead protruding out of the ceramic base 140 need to be wrapped with an insulating sheath, and the contact portions of the ceramic base 140 and the positive electrode lead and the negative electrode lead need to be provided with insulating plugs, so that on one hand, a sealing effect can be achieved, and on the other hand, electric shock can be prevented. Of course, other insulating materials may be provided in addition to the ceramic material to prevent electric shock, and the present utility model is not limited thereto.
It should be further noted that the inert gas is filled in the mounting tube 110, so that the components in the mounting tube 110 can be prevented from being corroded to affect the thermal performance. Alternatively, the inert gas may be argon, neon or helium. Optionally, a vacuum may be applied to the interior of the mounting tube 110 to prevent corrosion of the components within the mounting tube 110.
Further, the heat generating part 120 includes a heat generating wire provided in the mounting chamber 111. It should be noted that the positive electrode lead and the negative electrode lead are also connected to two ends of the heating wire respectively, so that the heating wire and the graphene coating are arranged in parallel in the circuit. The heating wire may be provided longer and extend along the length direction of the mounting tube 110, or may be provided locally, which is not limited in the present utility model. Of course, the heat generating portion 120 may be provided not only as a heating wire but also as a heating rod, for example.
It should be noted that, in the conventional art, the installation tube 110 of the heating element 100 is mostly in a linear type, and the heating uniformity is poor, and when the heating element is matched with the cooking device 10, the cooking cavity 210 of the cooking device 10 is mostly in an arc-shaped arrangement or other special-shaped shapes, so that the problems of uneven heating and poor food baking effect are generated. Referring to fig. 2, in the solution provided by the present utility model, the mounting tube 110 is disposed in a ring shape, so as to match the shape of the cooking cavity 210 of the cooking apparatus 10, and improve the food heating efficiency. In addition to the mounting tube 110 which is annularly provided, the mounting tube 110 may be provided in other shapes, and may be provided correspondingly according to the specific shape of the cooking cavity 210 of the cooking apparatus 10, so that the heating effect may be remarkably improved, and the occurrence of uneven heating may be prevented.
Specifically, in the technical solution provided in the present utility model, the mounting tube 110 may be made of one or more materials selected from a quartz tube, a microcrystalline tube, a mica tube, a glass tube and a ceramic tube. The mounting tube 110 made of the material is infrared-transparent, insulating and high-temperature resistant, can prevent electric leakage, and infrared rays can penetrate the mounting tube 110 to dissipate heat; the high temperature resistant mounting tube 110 can achieve higher temperature heating, increasing the heating temperature range. Further, the mounting tube 110 is preferably a quartz tube, and is manufactured by a precision compression molding process, so that the cost is low, the softening temperature is high, and the heating at a higher temperature can be borne; the quartz tube has low thermal expansion coefficient, high mechanical strength, good chemical stability, and good safety, and is not easy to be damaged by corrosion to cause electric leakage.
With reference to fig. 3-4, the present utility model further provides a cooking apparatus 10, comprising: an apparatus body 200, the apparatus body 200 having a cooking cavity 210; the heating element 100 is disposed in the cooking cavity 210.
Wherein, the heating element 100 comprises a mounting tube 110, and the mounting tube 110 is internally provided with a mounting cavity 111; a heating portion 120 provided in the mounting chamber 111; electrodes 130 are provided at both ends of the mounting tube 110. The inner wall of the installation tube 110 is coated with a first heating coating, and the outer wall of the installation tube 110 is coated with a second heating coating.
Alternatively, ceramic holders 140 are respectively disposed at two ends of the mounting tube 110, and each electrode 130 is disposed on each ceramic holder 140.
Alternatively, the heat generating part 120 includes a heating wire provided in the installation cavity 111.
Alternatively, the mounting tube 110 is provided in a ring shape,
As described above, the heating member 100 of the related art cannot match the shape of the cooking cavity 210 of the cooking apparatus 10, resulting in a problem of low cooking efficiency and uneven heating of food. The present utility model provides several embodiments for this, in a first embodiment, the side wall of the cooking cavity 210 has a plurality of continuous surfaces 220, at least one continuous surface 220 is provided with a heating element 100, and the heating element 100 is disposed against the continuous surface 220. Specifically, the cooking cavity 210 includes a plurality of continuous surfaces 220 disposed in succession, and each continuous surface 220 may have a different shape, and the heating element 100 provided in the present utility model may be disposed on one continuous surface 220, and the shape of the heating element 100 needs to be disposed to conform to the shape of the continuous surface 220. Taking an arc surface as an example, the heating element 100 is configured to be arc-shaped. It should be noted that at least one continuous surface 220 is provided with the heating element 100, or each continuous surface 220 may be provided with a plurality of heating elements 100, which is not limited in the present utility model. Referring to fig. 2, the cooking cavity 210 includes two arc-shaped continuous surfaces 220, each arc-shaped continuous surface 220 is provided with an arc-shaped heating element 100, and the two arc-shaped heating elements 100 are arranged to semi-surround the air duct, so that a good heating effect can be achieved on food.
In the second embodiment, the side wall of the cooking cavity 210 has a plurality of continuous surfaces 220, and the heating member 100 is disposed to be adhered to each of the continuous surfaces 220. Specifically, the shape of the mounting tube 110 is irregularly arranged, and each portion of the mounting tube 110 corresponds to a continuous surface 220 of one shape. The mounting tube 110 is adapted to be W-shaped for the W-shaped continuous surface 220 and the mounting tube 110 is adapted to be U-shaped for the U-shaped continuous surface 220. It should be noted that although one heating member 100 may be adapted to all the continuous surfaces 220, which is equivalent to each continuous surface 220 having the heating portion 120, a plurality of heating members 100 may be provided, and the plurality of heating members 100 may be sequentially arranged at intervals along the height direction of the cooking cavity 210 in order to enhance the heating effect in the up-down direction. Referring to fig. 3, the cooking cavity 210 has a cross section similar to a U shape, and thus a U-shaped heating member 100 is provided to be adapted thereto.
It should be noted that the continuous surface 220 includes an arc shape, a plane shape, a curve shape, etc., different continuous surfaces 220 may be adapted to different shapes of the heating element 100, and the sidewall of the cooking cavity 210 may be a combination of one or more continuous surfaces 220, which is not limited in this utility model.
Because the heating efficiency of the heating member 100 is higher, the temperature rise is faster, in order to ensure the heating effect of the food, the cooking apparatus 10 further includes a temperature sensor for detecting the temperature of the heating member 100, which is helpful for monitoring the temperature of the heating member 100 in real time. It should be noted that, in the actual use process, when the temperature sensor detects that the heating element 100 is about to reach the preset temperature value, the heating needs to be stopped, so that the waste heat of the heating element 100 can be utilized to heat the food, on one hand, the temperature is prevented from being too high, and on the other hand, the energy conservation and the emission reduction can be achieved.
It should be further noted that the cooking apparatus 10 of the present utility model includes an oven, an air fryer, a microwave oven, and the like. At least one side of the cooking apparatus 10 is made of transparent material, so that a user can observe the heating condition of the object to be heated in the cooking cavity 210 through the side.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A heating element for a cooking apparatus, the heating element comprising:
the installation tube is internally provided with an installation cavity;
the heating part is arranged in the mounting cavity; and
Electrodes arranged at two ends of the mounting tube;
Wherein, the inner wall of installation tube scribbles and is equipped with first coating that generates heat, the outer wall of installation tube scribbles and is equipped with the second coating that generates heat.
2. The heating member of claim 1 wherein the first heat generating coating comprises a graphene coating.
3. The heating element of claim 2 wherein the second heat-generating coating comprises an aluminum oxide coating.
4. The heating element of claim 1, wherein ceramic seats are provided at both ends of the mounting tube, respectively, and each of the electrodes is provided on each of the ceramic seats.
5. The heating element of claim 1, wherein the heat generating portion comprises a heat generating filament disposed within the mounting cavity.
6. A heating element according to claim 1, wherein the mounting tube is annularly arranged.
7. A cooking apparatus, comprising:
An apparatus body having a cooking cavity;
a heating element provided in the cooking chamber, the heating element being as claimed in any one of claims 1 to 6.
8. The cooking apparatus of claim 7 wherein the side wall of the cooking chamber has a plurality of continuous surfaces, at least one continuous surface being provided with the heating element, and the heating element being disposed against the continuous surface.
9. The cooking apparatus of claim 7 wherein the side wall of the cooking chamber has a plurality of continuous surfaces, the heating element being disposed adjacent each of the continuous surfaces.
10. Cooking apparatus according to claim 8 or 9, wherein the continuous surface comprises an arc, a plane or a curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620435.3U CN220917196U (en) | 2023-09-26 | 2023-09-26 | Heating element and cooking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620435.3U CN220917196U (en) | 2023-09-26 | 2023-09-26 | Heating element and cooking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220917196U true CN220917196U (en) | 2024-05-10 |
Family
ID=90938614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322620435.3U Active CN220917196U (en) | 2023-09-26 | 2023-09-26 | Heating element and cooking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220917196U (en) |
-
2023
- 2023-09-26 CN CN202322620435.3U patent/CN220917196U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101442843B (en) | Far-infrared ray ceramic flat-plate heating module | |
| KR100918918B1 (en) | Filament of infrared lamp and method for producing same | |
| CN220917196U (en) | Heating element and cooking equipment | |
| CN204069370U (en) | A kind of heater comprising carbon fiber heating paper | |
| CN106993344A (en) | Flat thin template Heated by Far-Infrared Radiation plate and preparation method thereof | |
| CN2781705Y (en) | Electric heating tube | |
| US6741805B2 (en) | Flexible graphite felt heating elements and a process for radiating infrared | |
| CN102810451B (en) | Large-power self-trigger high-voltage sodium lamp | |
| CN211526491U (en) | Electric stove plate with compact structure | |
| CN202167460U (en) | High-power and auto-triggering HPSL | |
| CN203104812U (en) | PTC heating device | |
| CN201637075U (en) | Liquid electric heater set | |
| CN2502480Y (en) | Carbon fibre electric heating device | |
| CN220917197U (en) | Heating assembly and cooking equipment | |
| CN207455655U (en) | Electric ceramic heaters | |
| CN216721611U (en) | Oven and heating pipe thereof | |
| CN203434117U (en) | Cathode heater assembly | |
| CN2926866Y (en) | Carbon cooker | |
| CN103118448B (en) | Nano PTC (positive temperature coefficient) compound heat-conductive-film glass and production method thereof | |
| CN202772111U (en) | Heating lamp used for heating periphery of hole of punching piece sprayed with paint | |
| CN201289000Y (en) | Reflective cover with infrared lamp | |
| JP2001313005A (en) | Infra-red light bulb | |
| CN206018735U (en) | A kind of stove | |
| CN219395070U (en) | Heating pipe and cooking utensil | |
| CN213485188U (en) | Halogen heating pipe with protection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |