Table type corn popper
By adopting a hanging frame and tilting shaft structure in the tabletop popcorn machine, the problem of damage to the wok caused by loose agitator is solved, achieving stable tilting of the wok and increasing the durability of the equipment, while simplifying the operation process.
Patent Information
- Application Number
- CN202520353484.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-03
AI Technical Summary
The stirrer of existing popcorn machines is prone to loosening after prolonged use, causing it to knock over the wok and damage the machine, affecting its durability and safety.
A tabletop popcorn machine was designed, which adopts a hanging frame and flipping shaft structure. The frying pot is connected by hooks and hanging rods, and the stirrer is driven by a stirring motor. The frying pot can be hung stably in the cabinet, and the stirrer does not affect the pouring process of the frying pot when flipping. The cabinet door is fixed with magnetic suction, and the uprights and side wall panels enhance the sturdiness of the cabinet.
This ensures the stability and durability of the wok during the flipping process, avoids damage to the stirrer, improves the reliability and service life of the equipment, and simplifies the operation process.
Smart Images

Figure CN223787060U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a popcorn machine technical field especially a table type popcorn machine. BACKGROUND
[0002] The popcorn machine is used for making popcorn. The existing popcorn machine is through the frying pan in the heating cabinet is filled with corn, and the stirrer is used for stir-frying and heating to make popcorn. After making popcorn, the frying pan needs to be turned over to pour out the popcorn. In order to avoid the stirrer blocking the frying pan from turning over, the stirrer needs to be made into a detachable structure. This design is prone to loose connection between the stirrer and the motor on the cabinet top after long time work, and the stirrer is loose during rotation and stir-frying, which causes the stirrer to knock down the frying pan and damage it. SUMMARY
[0003] The utility model aims at solving one of the technical problems in the prior art. To this end, the utility model provides a table type popcorn machine.
[0004] According to the table type popcorn machine of the utility model embodiment, including: cabinet, with inner chamber, the cabinet includes the cabinet top frame of upside, the built-in stirring motor of cabinet top frame, the hanger is connected in the lower side of cabinet top frame, the left side of hanger is provided with the turnover shaft, the right side of hanger is provided with the hook, the frying pan has the cavity and the frying pan opening of upside, the left and right sides of frying pan are provided with left lug and right lug respectively, the left lug is connected with the clearance fit of turnover shaft, the right lug is provided with the hanging rod, the hanging rod is connected with the pot handle, the hanging rod is stuck in the hook, the stirrer includes the stirring rod and stirring piece, the upper end of stirring rod is connected with the stirring motor, the lower end of stirring rod extends into the frying pan, and the lower end of stirring rod is connected with the stirring piece.
[0005] According to some embodiments of the utility model, the front side of the cabinet has a cabinet opening, a cabinet door of hinge type is arranged on the cabinet opening, a magnetic attractor is arranged on the opening edge of the cabinet opening, and the magnetic attractor can attract the rear side of the cabinet door.
[0006] According to some embodiments of the utility model, the cabinet includes a stand column and a side wall plate, the upper end of the stand column is provided with a stand column top connecting plate, the side wall plate is provided with a binding part, the upper end of the binding part is provided with a binding part connecting plate, the inner side of the binding part abuts against the outer side of the stand column, and the stand column top connecting plate and the binding part connecting plate are connected through screws.
[0007] According to some embodiments of the utility model, the cabinet includes a heating box at the lower side, the heating box is built-in with a heater, the upper side of the heating box is provided with a hot air hole, and the hot air hole faces the inner chamber of the cabinet.
[0008] According to some embodiments of the utility model, the cabinet top frame is provided with a heat dissipation air inlet, and a heat dissipation fan is arranged in the cabinet top frame and connected with the heat dissipation air inlet.
[0009] According to some embodiments of the utility model, the hanger includes a left hanger rod and a right hanger rod, upper ends of the left hanger rod and the right hanger rod are connected to the lower side of the cabinet top frame, a lower end of the left hanger rod is connected to the left lifting lug through the turnover shaft, a left clamping plate is arranged on the left hanger rod, the hanging rod is located at a lower end of the right hanger rod, a right clamping plate is arranged on the right hanger rod, and the left clamping plate and the right clamping plate abut against the wok opening.
[0010] According to some embodiments of the utility model, a wok cover is arranged on the wok opening, a wok cover hole is arranged at a middle position of the wok cover, the stirring rod passes through the wok cover hole, a wok cover handle is arranged on the wok cover, wok cover alignment grooves are arranged on left and right sides of the wok cover, and when the wok cover alignment grooves clamp the left clamping plate and the right clamping plate, the wok cover is closed on the wok opening.
[0011] According to some embodiments of the utility model, the wok cover handle includes a handle and a handle connecting plate, the handle connecting plate is connected to the edge position of the wok cover, the left hanger rod is provided with a slot, and the handle connecting plate can be inserted into the slot.
[0012] According to some embodiments of the utility model, the hook upper side has a hook recessed position, the hook upper side left end has a hook protruding position, and the hook protruding position clamps the hanging rod.
[0013] According to some embodiments of the utility model, the wok outer bottom wall is connected with a temperature sensor.
[0014] The table type popcorn machine according to the utility model has at least the following technical effects.
[0015] 1. When popcorn is needed, the wok is placed flat so that the hanging rod can clamp the hook, ensuring that the wok is stably hung in the cabinet, and after the popcorn is made, the wok can be lifted by holding the wok lifting handle, the hanging rod is separated from the hook, the wok is turned over to pour out the popcorn, and the stirrer does not affect the above-mentioned wok turning process, so that the utility model popcorn machine is more durable, the whole structure is simple and easy to use, and is conducive to the popularization and application of technology.
[0016] 2. After the wok cover is lifted, the handle connecting plate can be inserted into the slot of the left hanger rod to fix the wok cover, facilitating the work of adding corn into the wok or pouring out the popcorn in the wok.
[0017] 3. The design of the column and the side wall plate of the cabinet can ensure that the cabinet is firm enough, especially avoiding damage caused by local deformation due to heating after the cabinet is heated.
[0018] Additional aspects and advantages of the present application will be given in part in the following description and will be apparent from the description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0019] Additional aspects and advantages of the present application will be apparent from the description of the embodiments in conjunction with the accompanying drawings, which are given below, and will be easily understood by the practice of the present application.
[0020] Figure 1 is a perspective view of the table-type popcorn machine of the present application;
[0021] Figure 2 is an exploded view of the structure of the table-type popcorn machine of the present application;
[0022] Figure 3 is a perspective view of the frying pan in the present application;
[0023] Figure 4 is a perspective view of the frying pan when it is turned over in the present application;
[0024] Figure 5 is a perspective view of the frying pan when the lid is lifted in the present application;
[0025] Figure 6 is a working schematic view of the frying pan in the present application.
[0026] REFERENCE NUMERALS
[0027] Cabinet 100, cabinet top frame 110, heat dissipation air outlet 111, heat dissipation fan 112, cabinet opening 120, magnetic suction device 121, hinge-type cabinet door 130, stand column 140, stand column top connecting plate 141, side wall plate 150, edge covering part 151, edge covering part connecting plate 152, heating box 160, hot air hole 161; hanger 200, turning shaft 210, hook 220, hook recess 221, hook protrusion 222, left hanger rod 230, left clamping plate 231, insertion gap 232, right hanger rod 240, right clamping plate 241; frying pan 300, frying pan opening 310, left hanger lug 320, right hanger lug 330, hanging rod 340, pan lifting handle 341, lid 350, lid hole 351, lid alignment groove 352, lid handle 360, handle 361, handle connecting plate 362, temperature sensor 370; stirrer 400, stirring rod 410, stirring blade 420, stirring motor 430. DETAILED DESCRIPTION
[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0029] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0030] In the description of this utility model, "multiple" means two or more, and "greater than," "less than," "exceeding," etc., are understood to exclude the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.
[0031] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0032] The following is for reference. Figure 1 and Figure 2 A tabletop popcorn machine according to an embodiment of the present invention is described.
[0033] like Figure 1 and Figure 2 As shown, the tabletop popcorn machine according to an embodiment of the present invention includes a cabinet 100, a hanging rack 200, a frying pan 300, and a stirrer 400.
[0034] The cabinet 100 has an inner cavity, and the cabinet 100 comprises a cabinet top frame 110 on the upper side, and the cabinet top frame 110 is internally provided with a stirring motor 430; a hanging bracket 200 is connected to the lower side of the cabinet top frame 110, the left side of the hanging bracket 200 is provided with a turnover shaft 210, and the right side of the hanging bracket 200 is provided with a hook 220; the wok 300 has a cavity and a wok opening 310 on the upper side, and the left and right sides of the wok 300 are respectively provided with a left lifting lug 320 and a right lifting lug 330, the left lifting lug 320 is connected in clearance fit with the turnover shaft 210, the right lifting lug 330 is provided with a hanging rod 340, the hanging rod 340 is connected with a wok lifting handle 341, and the hanging rod 340 clamps the hook 220; the stirrer 400 comprises a stirring rod 410 and stirring blades 420, the upper end of the stirring rod 410 is connected with the stirring motor 430, the lower end of the stirring rod 410 extends into the wok 300, and the lower end of the stirring rod 410 is connected with the stirring blades 420.
[0035] For example, as shown in Figure 1 and Figure 2 , the cabinet 100 has an inner cavity, which is a heating chamber. The cabinet 100 comprises a cabinet top frame 110 on the upper side, and the cabinet top frame 110 is internally provided with a stirring motor 430. The hanging bracket 200 is connected to the lower side of the cabinet top frame 110, and the hanging bracket 200 is relatively fixed. The left side of the hanging bracket 200 is provided with a turnover shaft 210. The right side of the hanging bracket 200 is provided with a hook 220. The wok 300 has a cavity and a wok opening 310 on the upper side, which is used for heating corn in the wok 300 to make popcorn. The left and right sides of the wok 300 are respectively provided with a left lifting lug 320 and a right lifting lug 330, and the left and right lifting lugs 320, 330 are fixedly connected with the wok 300. The left lifting lug 320 is connected in clearance fit with the turnover shaft 210, that is, a gap is left between the hole wall of the shaft hole of the left lifting lug 320 and the outer side wall of the turnover shaft 210, so that the wok 300 can rotate up and down along the turnover shaft 210, and the wok 300 can also be slightly adjusted in position relative to the hanging bracket 200. The right lifting lug 330 is provided with a hanging rod 340, and the hanging rod 340 is connected with a wok lifting handle 341. The hanging rod 340 clamps the hook 220, which is used for fixing the wok 300. The stirrer 400 comprises a stirring rod 410 and stirring blades 420, the upper end of the stirring rod 410 is connected with the stirring motor 430, the lower end of the stirring rod 410 extends into the wok 300, and the lower end of the stirring rod 410 is connected with the stirring blades 420, so that the stirring blades 420 are rotated when the stirring rod 410 is rotated to stir the corn in the wok 300.
[0036] In actual work, refer to Figure 3, the frying pan 300 is rotated along the left rotating shaft 210 to adjust the position, and the hanging rod 340 on the right side of the frying pan 300 can be hooked by the hook 220, so that the frying pan 300 is stably hung under the hanger 200, and the stirring blade 420 of the stirrer 400 also extends into the frying pan 300. Then the cabinet 100 is heated, and the popcorn in the frying pan 300 is heated to popcorn by the rotating and stirring action of the stirring blade 420.
[0037] After the popcorn is made, referring to Figure 4 、 Figure 6 , the frying pan 300 can be slightly lifted upward by holding the frying pan handle 341 (to avoid burns, a towel or heat-resistant gloves can be used), and the frying pan 300 is slightly adjusted to the left side by using the gap between the left hanging ear 320 and the rotating shaft 210, so that the hanging rod 340 is separated from the hook 220, so that the frying pan 300 can be flipped downward to pour out the popcorn. The stirrer 400 does not affect the above-mentioned flipping process of the frying pan 300, so that the popcorn machine is more durable.
[0038] In some embodiments of the present application, referring to Figure 1 , the cabinet 100 has a cabinet opening 120 on the front side, and a hinge type cabinet door 130 is arranged on the cabinet opening 120. A magnetic attractor 121 is arranged on the opening edge of the cabinet opening 120, which can attract the rear side of the cabinet door 130 to ensure that the cabinet door 130 is stable enough after being closed, and to avoid the cabinet door 130 being opened by mistake during the heating process in the cabinet 100.
[0039] In some embodiments of the present application, referring to Figure 2 , the cabinet 100 includes a stand column 140 and a side wall plate 150. The upper end of the stand column 140 is provided with a stand column top connecting plate 141, and the side wall plate 150 is provided with a bound part 151. The upper end of the bound part 151 is provided with a bound part connecting plate 152, and the inner side of the bound part 151 abuts against the outer side of the stand column 140. The stand column top connecting plate 141 and the bound part connecting plate 152 are connected by screws, so that the cabinet 100 can be ensured to be firm enough, especially to avoid local damage due to thermal deformation after heating.
[0040] In some embodiments of the present application, the cabinet 100 includes a lower heating box 160, and the heating box 160 is internally provided with a heater. The upper side of the heating box 160 is provided with a hot air hole 161, which faces the inner cavity of the cabinet 100, so as to ensure sufficient heating in the cabinet 100 and to ensure that the corn can be heated to popcorn.
[0041] In some embodiments of the utility model, cabinet roof frame 110 is provided with heat dissipation air vent 111, heat dissipation fan 112 is arranged in cabinet roof frame 110, heat dissipation fan 112 is connected with heat dissipation air vent 111, and heat dissipation fan 112 is used for heat dissipation of stirring motor 430 and other components possibly installed in cabinet roof frame 110, to avoid that hot air in cabinet body 100 influences service life.
[0042] In some embodiments of the utility model, referring to Figure 3 、 Figure 4 , the hanger 200 comprises a left suspender 230 and a right suspender 240, the upper ends of the left suspender 230 and the right suspender 240 are connected to the lower side of the cabinet roof frame 110, the lower end of the left suspender 230 is connected to the left lifting lug 320 through the turnover shaft 210, the left suspender 230 is provided with a left clamping plate 231, the hanging rod 340 is located at the lower end of the right suspender 240, the right suspender 240 is provided with a right clamping plate 241, and the left clamping plate 231 and the right clamping plate 241 abut against the wok opening 310. The left suspender 230 and the right suspender 240 have material elasticity, the left turnover shaft 210 and the right hook 220 can be finely adjusted in position, and cooperate with the process of placing the wok 300 flat, hanging the hook 220 or overturning downward to pour out popcorn. The left clamping plate 231 and the right clamping plate 241 abut against the wok opening 310 and are used for limiting the wok 300.
[0043] In some embodiments of the utility model, the turnover shaft 210 extends along the front-rear direction, and the wok 300 can rotate up and down along the turnover shaft 210.
[0044] In some embodiments of the utility model, referring to Figure 3 、 Figure 5 , the wok opening 310 is provided with a wok cover 350, the wok cover 350 is provided with a wok cover hole 351 at the middle position, the stirring rod 410 passes through the wok cover hole 351, the wok cover 350 is provided with a wok cover handle 360, the wok cover 350 is provided with wok cover alignment grooves 352 on the left and right sides, when the wok cover alignment grooves 352 clamp the left clamping plate 231 and the right clamping plate 241, the wok cover 350 is covered on the wok opening 310, and the wok cover 350 is aligned. The wok cover 350 can move up and down along the stirring rod 410.
[0045] In some embodiments of the utility model, the wok cover handle 360 comprises a handle 361 and a handle connecting plate 362, the handle connecting plate 362 is connected to the edge position of the wok cover 350, the left suspender 230 is provided with a slot 232, and the handle connecting plate 362 can be inserted into the slot 232. In this way, the wok cover 350 can be lifted by holding the handle 361, and the wok cover 350 is fixed by inserting the handle connecting plate 362 into the slot 232 of the left suspender 230, so that corn can be added into the wok 300 or popcorn in the wok 300 can be poured out.
[0046] In some embodiments of the utility model, refer to Figure 3 、 Figure 4 , the hook 220 upper side has hook recess 221, the hook 220 upper side left end has hook convex position 222, the hook convex position 222 is stuck hang pole 340, so that it is ensured that the hook 220 hooks hang pole 340, the frying pan 300 is stable enough.
[0047] In some embodiments of the utility model, refer to Figure 3 , the frying pan 300 outer bottom wall is connected with temperature sensor 370, is used to implement monitoring the heating condition in frying pan 300.
[0048] Reference is made to Figure 1 And Figure 2 With a specific embodiment, the table type popcorn machine according to the utility model embodiments is described in detail. It is worth understanding that the following description is only exemplary, and is not a specific limitation of the utility model.
[0049] As shown in Figure 1 And Figure 2 , the table type popcorn machine of the utility model embodiments includes cabinet 100, hanger 200, frying pan 300 and stirrer 400.
[0050] Cabinet 100 includes cabinet top frame 110, heat dissipation air inlet 111, heat dissipation fan 112, cabinet opening 120, magnetic attractor 121, hinge type cabinet door 130, stand column 140, stand column top connecting plate 141, side wall plate 150, edge covering part 151, edge covering part connecting plate 152, heating box 160 and hot air hole 161.
[0051] Hanger 200, frying pan 300 and stirrer 400 are located in cabinet 100. Hanger 200 includes turnover shaft 210, hook 220, hook recess 221, hook convex position 222, left hanger rod 230, left clamping plate 231, insertion gap 232, right hanger rod 240 and right clamping plate 241. Frying pan 300 includes frying pan opening 310, left hanger lug 320, right hanger lug 330, hang pole 340, frying pan handle 341, pot cover 350, pot cover hole 351, pot cover alignment groove 352, pot cover handle 360, handle 361, handle connecting plate 362 and temperature sensor 370. Stirrer 400 includes stirring rod 410, stirring blade 420 and stirring motor 430.
[0052] According to the embodiment of the utility model, when popcorn is needed, the corn is placed in the frying pot 300, the frying pot 300 is rotated along the left overturning shaft 210 to adjust the position, the hanging rod 340 on the right side of the frying pot 300 is hooked by the hook 220, the frying pot 300 is hung steadily under the hanger 200, and the stirring blade 420 of the stirrer 400 also extends into the frying pot 300, then the cabinet 100 is heated, the corn in the frying pot 300 is heated to make popcorn by the rotating and stirring action of the stirring blade 420, after the popcorn is made, the frying pot 300 is slightly lifted upward by holding the pot lifting handle 341, the frying pot 300 is slightly adjusted to the left by the gap between the left hanger lug 320 and the overturning shaft 210, the hanging rod 340 is separated from the hook 220, and then the frying pot 300 is overturned downward to pour out the popcorn, the stirrer 400 does not affect the overturning process of the frying pot 300, and the utility model is more durable, the whole structure is simple and easy to use, and is favorable for popularization and application of the technology.
[0053] In the description of the present specification, the description referring to the terms "some embodiments" or "it is conceivable that" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0054] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A table-top popcorn machine characterized by, Include: The cabinet body (100) has an inner cavity, the cabinet body (100) includes the cabinet top frame (110) with upper side, the stirring motor (430) is built-in in the cabinet top frame (110); The hanger (200) is connected to the lower side of the cabinet top frame (110), the hanger (200) left side is provided with a turnover shaft (210), the hanger (200) right side is provided with a hook (220); The wok (300) has a cavity and a wok opening (310) on the upper side, the left and right sides of the wok (300) are respectively provided with a left lug (320) and a right lug (330), the left lug (320) and the turnover shaft (210) are connected in clearance fit, the right lug (330) is provided with a hanging rod (340), the hanging rod (340) is connected with a wok handle (341), the hanging rod (340) clamps the hook (220); The stirrer (400) includes a stirring rod (410) and a stirring blade (420), the upper end of the stirring rod (410) is connected with the stirring motor (430), the lower end of the stirring rod (410) extends into the wok (300), and the lower end of the stirring rod (410) is connected with the stirring blade (420).
2. The table popcorn machine of claim 1, wherein, The front side of the cabinet body (100) has a cabinet opening (120), the cabinet opening (120) is provided with a cabinet door (130) of hinge type, the opening edge of the cabinet opening (120) is provided with a magnetic attractor (121), and the magnetic attractor (121) can attract the rear side of the cabinet door (130).
3. The table popcorn machine of claim 1 wherein, The cabinet body (100) includes a stand column (140) and a side wall plate (150), the upper end of the stand column (140) is provided with a stand column top connecting plate (141), the side wall plate (150) is provided with a bound part (151), the upper end of the bound part (151) is provided with a bound part connecting plate (152), the inner side of the bound part (151) abuts against the outer side of the stand column (140), and the stand column top connecting plate (141) and the bound part connecting plate (152) are connected through screws.
4. The table popcorn machine of claim 1 wherein, The cabinet body (100) includes a heating box (160) on the lower side, the heating box (160) is built-in with a heater, the heating box (160) is provided with a hot air hole (161) on the upper side, and the hot air hole (161) faces the inner cavity of the cabinet body (100).
5. The table popcorn machine of claim 1 wherein, The cabinet top frame (110) is provided with a heat dissipation air inlet (111), and the cabinet top frame (110) is provided with a heat dissipation fan (112) and is connected with the heat dissipation air inlet (111).
6. The table popcorn machine of claim 1, wherein, The hanger (200) comprises a left hanger rod (230) and a right hanger rod (240), the upper ends of the left hanger rod (230) and the right hanger rod (240) are connected to the lower side of the cabinet top frame (110), the lower end of the left hanger rod (230) is connected with the left hanger lug (320) through the turnover shaft (210), the left hanger rod (230) is provided with a left clamping plate (231), the hanging rod (340) is located at the lower end of the right hanger rod (240), the right hanger rod (240) is provided with a right clamping plate (241), and the left clamping plate (231) and the right clamping plate (241) abut against the wok opening (310).
7. The table popcorn machine of claim 6 wherein, The wok opening (310) is provided with a wok cover (350), the middle position of the wok cover (350) is provided with a wok cover hole (351), the stirring rod (410) passes through the wok cover hole (351), the wok cover (350) is provided with a wok cover handle (360), the left and right sides of the wok cover (350) are provided with wok cover alignment grooves (352), when the wok cover alignment grooves (352) clamp the left clamping plate (231) and the right clamping plate (241), the wok cover (350) is covered on the wok opening (310).
8. The table popcorn machine of claim 7 wherein, The wok cover handle (360) comprises a handle (361) and a handle connecting plate (362), the handle connecting plate (362) is connected to the edge position of the wok cover (350), the left hanger rod (230) is provided with a slit (232), and the handle connecting plate (362) can be inserted into the slit (232).
9. The table popcorn machine of claim 6 wherein, The upper side of the hook (220) has a hook recess (221), the upper side of the left end of the hook (220) has a hook protrusion (222), and the hook protrusion (222) clamps the hanging rod (340).
10. The table popcorn machine of claim 1 wherein, The outer bottom wall of the wok (300) is connected with a temperature sensor (370).