Smokeless electric oven
Through the combination of inverter power supply and electronic adjustment knob, combined with heat collector and insulated ceramic block, the existing smokeless electric barbecue has solved the problems of high cost, high energy consumption and inconvenient control, and achieved efficient, safe and convenient baking The production process reduces oil fume pollution.
Patent Information
- Application Number
- CN202420184674.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-25
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-25
AI Technical Summary
The existing smokeless electric barbecue has high cost, high energy consumption, and the control panel does not conform to ergonomics, and there are safety risks of water entering the switch.
Using inverter power supply, air switch, contactor and electronic adjustment knob, combined with heat collector and insulated ceramic block, the design control switch is located on the upper table panel to achieve efficient heating and temperature control of the heating wire, the oil collector drawer is easy to clean, and the cleaning unit is easy to clean. Operation, modern industrial design, ergonomic.
It realizes the rapid heating, long life and high efficiency of heating wire, controllable temperature, convenient cleaning, energy-saving and labor-saving, safe and reliable, meets various food needs and reduces oil fume pollution.
Smart Images

Figure CN222171958U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric ovens, in particular to a smokeless electric oven. Background Art
[0002] Barbecue is a cooking method that uses fuel to heat and dry air, and places the food in the hot dry air at a position close to the heat source to heat the food. Barbecue can be divided into direct and indirect. Direct baking can be divided into open fire and hidden fire, and indirect baking can be divided into iron plate, stone plate, copper plate and other types. Regardless of the barbecue method, the most traditional raw material is charcoal.
[0003] As people become more and more aware, they gradually find that even fully burned red charcoal or white charcoal barbecue will emit chemical substances, thus polluting food and the environment. At the same time, oil smoke will be produced during the barbecue process. The first source of oil smoke is the oil droplets falling on the high-temperature heat source during the barbecue. For example, the oil droplets will immediately turn into oil smoke after falling on the charcoal fire. Secondly, the oil smoke also comes from the frying process of food. The oil quality during frying will deteriorate and produce oil smoke, which will pollute food and the environment.
[0004] For example, the patent with publication number CN210902652U discloses a smokeless electric barbecue grill, which has the characteristics of fast heating, short baking time, high efficiency, long service life, etc. However, the above patent uses mechanical switches and transformers for control, which has the disadvantages of high cost and high energy consumption, and the control panel is under the water collection drawer, which is not ergonomic and has the potential safety hazard of water entering the switch.
[0005] In view of the problems in the related technology, the utility model provides a novel smokeless electric oven. Utility Model Content
[0006] The utility model aims to provide a smokeless electric oven in view of the defects of the prior art.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A smokeless electric oven comprises an oven body and an operating table; the oven body comprises a shell, a power module and a heating module arranged in the shell, the heating module is arranged above the power module and connected to the power module; the operating table comprises an upper panel, a grill assembly arranged on the upper panel, and a control switch arranged on the surface of the upper panel; the control switch is connected to the power module and is used to control the heating temperature of the heating module, thereby heating food placed on the grill assembly.
[0009] Furthermore, the power module includes an inverter power supply, an air switch, and a contactor; the inverter power supply is arranged above the bottom plate inside the shell, and the inverter power supply is respectively connected to the contactor and the heating module, and the contactor is also respectively connected to the air switch and the control switch.
[0010] Furthermore, the control switch includes a temperature adjustment switch, an emergency stop switch, and an on-off switch, and the temperature adjustment switch, the emergency stop switch, and the on-off switch are all arranged on the surface of the upper panel.
[0011] Furthermore, an inner shell and an oil collecting drawer arranged in the inner shell are also provided in the shell body. The inner shell is arranged above the power module, and the heating module is arranged above the inner shell.
[0012] Furthermore, the heating module includes a heat collecting cover and a heating wire; the heat collecting cover is arranged above the inner shell and connected to the side plate of the shell, the heating wire is installed above the heat collecting cover, and the heating wire is electrically connected to the inverter power supply.
[0013] Furthermore, the grilling net assembly includes a grill and a grilling net arranged on the grill, and a heating groove adapted to the heating wire is provided on the upper table panel so that the grill is arranged on the heating groove.
[0014] Furthermore, it also includes a cleaning unit, which includes a water inlet control valve, a water inlet pipe, and a drain pipe. The water inlet control valve is arranged on a side of the shell, and the water inlet control valve is connected to one end of the water inlet pipe, and the other end of the water inlet pipe is arranged above the oil collecting drawer; a drain outlet compatible with the drain pipe is opened at the bottom of the inner shell, so that one end of the drain pipe is arranged on the drain outlet, and the other end of the drain pipe is arranged outside the shell.
[0015] Furthermore, the heating wire is fixedly mounted on the heat collecting cover via a fixing plate.
[0016] Furthermore, an insulating ceramic block is connected under the fixing plate.
[0017] Furthermore, movable adjustment feet are provided under the bottom plate of the shell.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] 1) The heating wire used in the utility model has the advantages of fast heating, high temperature, high efficiency, not easy to deform, damage, long service life, etc. The temperature can be controlled by the control switch;
[0020] 2) The insulating ceramic block of the utility model plays a role of fixed insulation, allowing the heating wire to freely expand and contract in the hole of the insulating ceramic block;
[0021] 3) The oil collection drawer designed by the utility model can be pulled out when the inner wall of the furnace needs to be cleaned, leaving enough space for the hand to reach in and clean, and is easy to disassemble and clean;
[0022] 4) The cleaning unit of the utility model is convenient for cleaning the oil collection drawer and draining water, eliminating the trouble of adding water during operation;
[0023] 5) The appearance of the utility model electric barbecue oven adopts modern industrial design, which is easy to operate, saves time, effort and manpower, does not need to be preheated, and can be used immediately after opening;
[0024] 6) The control switch of the utility model is located on the upper panel, which is ergonomic and can adjust the temperature quickly and timely;
[0025] 7) The utility model uses an electronic adjustment knob with an inverter power supply to replace a transformer, making the machine lighter and more energy-efficient, and realizing stepless control of the barbecue temperature to meet the needs of various ingredients;
[0026] 8) The utility model adds a heat collecting cover above the inner tank, and utilizes the chimney effect to make the heat of the heating wire move upward better, thereby improving the heating efficiency and reducing the temperature inside the machine body, making the machine more energy-saving, safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 This is a structural diagram of a smokeless electric oven provided in Example 1;
[0028] Figure 2 This is an exploded view of a smokeless electric oven provided in Example 1;
[0029] Figure 3 is a schematic diagram of a power module provided in Example 1;
[0030] Figure 4 is a schematic diagram of a heating module provided in Example 1;
[0031] Among them, 1. oven body; 11. shell; 111. panel; 112. back plate; 113. left side plate; 114. right side plate; 115. bottom plate; 1151. adjustment foot; 12. power module; 121. inverter power supply; 122. air switch; 123. contactor; 13. inner shell; 14. oil collection drawer; 15. heating module; 151. heating wire; 152. heat collecting cover; 153. fixing plate; 154. insulating ceramic block; 161. water inlet control valve; 162. water inlet pipe; 163. drain pipe; 2. operation table; 21. upper panel; 211. heating tank; 22. control switch; 221. on-off switch; 222. temperature adjustment switch; 223. emergency stop switch; 23. grill assembly; 231. grill; 232. grill. DETAILED DESCRIPTION
[0032] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.
[0033] The utility model aims to provide a smokeless electric oven in view of the defects of the prior art.
[0034] Embodiment 1
[0035] This embodiment provides a smokeless electric oven. Figure 1-4 As shown, the oven body 1 and the operating table 2 are included. The oven body 1 includes a shell 11, a power module 12, an inner shell 13, an oil collection drawer 14, a heating module 15, and a cleaning unit 16. The operating table 2 includes an upper panel 21, a control switch 22, and a grill assembly 23.
[0036] The shell 11 is an assembled structure, consisting of a panel 111, a back panel 112, a left panel 113, a right panel 114, and a bottom panel 115; wherein the panel 111, the back panel 112, the left panel 113, the right panel 114, and the bottom panel 115 are square structures, and the height of the panel 111 is smaller than that of the back panel 112, the left panel 113, and the right panel 114.
[0037] The two sides of the panel 111 are fixedly connected to one side of the left plate 113 and one side of the right plate 114 by welding, threaded connection, etc.; the two sides of the back plate 112 are fixedly connected to the other side of the left plate 113 and the other side of the right plate 114 by welding, threaded connection, etc.; the four sides of the bottom plate 115 are respectively connected to one end of the panel 111, one end of the back plate 112, one end of the left plate 113, and one end of the right plate 114 by welding, threaded connection, etc.
[0038] Four movable adjustment feet 1151 are connected to the bottom of the bottom plate 115 by means of threaded connection or the like, so as to facilitate the movement of the smokeless electric oven; a plurality of heat dissipation holes are opened on the back plate 112, so as to achieve heat dissipation of the electric oven.
[0039] The power module 12 is disposed in the housing 11 to provide the electric barbecue with a total power supply and the power required for barbecue; the power module 12 includes a plurality of inverter power supplies 121 ( Figure 33 groups are shown in the figure), air switches 122 (i.e., 3 air switches) which are the same number as the inverter power supply 121, contactors 123 (i.e., 3 contactors) which are the same number as the inverter power supply 121, and power lines (not shown in the figure).
[0040] Several inverter power supplies 121 are arranged side by side and fixedly mounted on the base plate 115 by means of threads or the like. Several inverter power supplies 121 are respectively connected to corresponding contactors 123, and each contactor 123 is also connected to a corresponding air switch 122, and the air switch 122 is connected to one end of a power cord. An opening is also provided on the back plate 112 for the power cord to pass through, so that the other end of the power cord can pass through the opening and be connected to the mains, thereby providing power to the several inverter power supplies 121, the contactor 123, and the control switch 122.
[0041] The inverter power supply 121 is connected to the heating module 15, and the contactor 123 is connected to the control switch 22, thereby providing energy for grilling.
[0042] A water-blocking and wind-blocking plate (not shown in the figure) is provided above the power module 12 of this embodiment to ensure that the power module 12 is away from the heating module 15. The water-blocking and wind-blocking plate can ensure that water will not enter the power module 12 when the inner shell 13 corrodes and leaks due to improper welding.
[0043] The inner shell 13 is installed in the housing 11 and is arranged above the power module 12. The inner shell 13 is composed of two side plates, a rear plate, a front baffle plate, and a bottom plate. The two sides of the front baffle plate are respectively fixedly connected to the positions of one side of the two side plates near the bottom by welding, thread connection, etc., the two sides of the rear plate are respectively fixedly connected to the other side of the two side plates by welding, thread connection, etc., the four sides of the bottom plate are respectively fixedly connected to the two side plates, the rear plate, and the front baffle plate by welding, thread connection, etc., and the bottom plate is mainly arranged near the middle of the front baffle plate.
[0044] In actual use, the bottom of the front baffle of the inner shell 13 is set at the top of the panel 111, and the front baffle is flush with the surface of the panel 111, so that the front panel can be fixedly connected to the panel 111, the left side panel 113, and the right side panel 114 by welding or threaded connection, and the two side panels of the inner shell 13 are fixedly connected to the left side panel 113 and the right side panel 114 near the top by welding or threaded connection, and the rear plate of the inner shell 13 is fixedly connected to the left side panel 113 and the right side panel 114 by welding or threaded connection.
[0045] There are two oil collection drawers 14, which are placed side by side to fit the space formed by the inner shell 13, so that the two oil collection drawers can be installed in the inner shell 13 by means of slide rails, etc., and can be pulled out in the inner shell 13 by means of handles arranged on the surface of the oil collection drawers 14; in actual use of this embodiment, the surface of the oil collection drawer 14 is in the same horizontal plane as the front baffle and the panel 111 of the inner shell 13. When the inner wall of the furnace needs to be cleaned, the oil collection drawer 14 can be completely pulled out and placed in an external water tank for cleaning. After the oil collection drawer 14 of this embodiment is pulled out, enough space will be left for the hand to reach in and clean it, and it is easy to disassemble and clean.
[0046] The heating module 15 is disposed above the inner shell 13 , and includes a plurality of groups of heating wires 151 (three groups are provided in this embodiment), a heat collecting cover 152 , a fixing sheet 153 , and an insulating ceramic block 154 .
[0047] The heat collecting cover 152 is surrounded by front, rear, left and right plates to form a frame structure, and the positions near the bottom of the two sides of the heat collecting cover 152 are fixedly connected to the top of the left plate 113 and the right plate 114 by welding or threaded connection. In this embodiment, the heat collecting cover 152 is added above the inner shell 13, and the chimney effect is used to make the heat of the heating wire 151 move upward better, thereby improving the heating efficiency and reducing the temperature inside the shell 11, making the electric oven more energy-saving, safer and more reliable.
[0048] The fixing plates 153 are installed on both sides of the multiple groups of heating wires 151 by means of snap-fitting or the like, so that the heating wires are fixedly installed on the top of the heat collecting cover 141 by means of threaded connection or the like based on the fixing plates 153, and insulating ceramic blocks 154 are connected to the sides of the fixing plates 143 by means of threaded connection or the like. The insulating ceramic blocks 154 play a role of fixing and insulating, allowing the heating wires 151 to freely expand and contract forward and backward in the holes of the insulating ceramic blocks 154.
[0049] Each group of heating wires 151 of the present embodiment is connected to a group of inverter power supplies 121, thereby providing energy for grilling, and achieving the effect of individual control of each group of heating wires. During the grilling process, the electric grill can grill the meat skewers and vegetables separately, thereby ensuring the quality of grilling.
[0050] The present embodiment adopts the heating wire 151 of 2080 chromium-nickel alloy, which has the advantages of fast heating, high temperature, high efficiency, not easy to deform and damage, long service life, etc. The temperature of the heating wire can be controlled by a control switch.
[0051] The cleaning unit is used to clean the residues in the oil collecting drawer 15 , and the cleaning unit includes a water inlet control valve 161 , a water inlet pipe 162 , and a drain pipe 163 .
[0052] An opening that matches the water inlet control valve 161 is opened on one side of the right side plate 114, so that one end of the water inlet control valve 161 passes through the opening into the shell 11, and the other end of the water inlet control valve 161 is connected to an external water pipe, thereby controlling external water to enter the shell 11 through the water inlet control valve 161.
[0053] One end of the water inlet pipe 162 is snap-connected with one end of the water inlet control valve 161, and the other end of the water inlet pipe 162 can be fixed on the inner shell 13 or the position near the bottom of the heat collecting cover 152 by means of snaps, etc. Its specific position can be set according to actual conditions, as long as it is set above the oil collecting drawer 14, and external water enters the oil collecting drawer 14 through the water inlet control valve 161 and the water inlet pipe 162, and the water inlet pipe is fixed during the water flow and will not fall off. In this embodiment, a water diversion structure can be set at the other end of the water inlet pipe 162, so that external water can enter the two oil collecting drawers 14 respectively.
[0054] Openings matching the drain pipe are provided on the bottom plate of the inner shell 13 and the bottom plate 115, so that one end of the drain pipe 163 is arranged on the opening of the bottom plate of the inner shell 13, and the other end of the drain pipe 163 passes through the opening of the bottom plate 115 and is arranged outside the shell, thereby achieving drainage.
[0055] The cavity between the oil collection drawer 14 and the inner shell 13 of this embodiment can ensure that when the water inlet control valve 161 is forgotten to be closed, water can be safely discharged from the drain pipe 163 to prevent the electric oven from malfunctioning due to water ingress.
[0056] The cleaning unit of this embodiment is easy to add water, which can prevent the oil residue dripping from the grilling from sticking to the bottom of the oil collection drawer 14 and making it inconvenient to clean. The oil dripping from the grilling will float on the water after mixing with the water. When cleaning, you only need to pull out the oil collection drawer and clean it. The upper panel 21 is a stepped structure, and the stepped upper panel 21 is covered above the shell 11. In this embodiment, the upper panel 21 is not rigidly connected, which facilitates the maintenance of the heating module.
[0057] A heating groove 211 adapted to the heating wire 151 is provided on one side of the upper table panel 21 , so that the grill assembly 23 can be stably installed in the heating groove 211 .
[0058] The grilling net assembly 23 includes a grill 231 and a grilling net 232. The bottom of the grill 231 is provided with a protrusion that is compatible with the heating groove 211, so that the protrusion of the grill 231 is embedded in the heating groove 211, and the top of the grill 231 is clamped on the top of the heating groove 211, so that the grill 231 is stably installed on the upper table 21 and is arranged above the heating wire 151; the grilling net 232 is embedded in the grill 231 in an embedded manner, so that the food placed on the grill 231 can be heated by the heating wire 151 below.
[0059] The other side of the upper panel 21 is a food placement space or an operation space; and a mounting groove for mounting a control switch 22 is provided on the side surface of the other side of the upper panel 21, so that the control switch 22 is installed in the mounting groove, and then by controlling the control switch, the heating wire 151 heats the food placed on the grill 232. The control switch 22 of this embodiment is located on the upper panel 21, which is ergonomic and can quickly and timely adjust the temperature.
[0060] The control switch 22 is used to control the heating temperature of the heating wire 142 ; the control switch 22 includes a plurality of on-off switches 221 (three are provided in this embodiment), a plurality of temperature adjustment switches 222 (three are provided in this embodiment), and an emergency stop switch 223 .
[0061] Each temperature regulating switch 222 and each on-off switch 221 are set as a group and connected to a corresponding contactor 123, so as to control the energy output of the corresponding inverter power supply 121 to adjust the grilling temperature of the corresponding heating wire 151; the emergency stop switch 223 is connected in series with each contactor 123 so that the emergency stop switch 223 can control the on and off of the entire electric oven; in this embodiment, the emergency stop switch 223 is generally normally closed.
[0062] The electric oven of this embodiment uses an electronic adjustment knob in conjunction with an inverter power supply to replace a transformer, making the electric oven lighter and more energy-efficient, and realizing stepless regulation of the grilling temperature to meet the needs of various ingredients.
[0063] The temperature control of the electric barbecue oven of the utility model adopts a stepless temperature regulating switch, and the temperature required for baking can be adjusted according to the type and size of food.
[0064] This embodiment controls the temperature during the baking process through the temperature adjustment switch, thereby reducing the generated oil smoke, so that it can improve the environment inside the restaurant and the cleanliness and hygiene of the baked food. When the temperature is too high, the temperature adjustment switch can be used to cool it down.
[0065] When the electric barbecue grill of this embodiment is used for grilling skewers, the water inlet control valve is opened and the water is fed into the oil collection drawer through the water inlet pipe to prevent the oil residue dripping from the grilling from sticking on the drawer and making it inconvenient to clean. The oil dripping from the grilling will float on the water after mixing with the water, making it more convenient and quick to clean the oil collection drawer.
[0066] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims
1. A smokeless electric oven, characterized in that: The oven body comprises an oven body and an operating table; the oven body comprises a shell, a power module and a heating module arranged in the shell, the heating module is arranged above the power module and connected to the power module; the operating table comprises an upper panel, a grill assembly arranged on the upper panel, and a control switch arranged on the surface of the upper panel; the control switch is connected to the power module and is used to control the heating temperature of the heating module, thereby heating the food placed on the grill assembly; The power module includes an inverter power supply, an air switch, and a contactor; the inverter power supply is arranged above the bottom plate inside the shell, and the inverter power supply is connected to the contactor and the heating module respectively, and the contactor is also connected to the air switch and the control switch respectively.
2. A smokeless electric oven according to claim 1, characterized in that: The control switch comprises a temperature regulating switch, an emergency stop switch and an on-off switch, and the temperature regulating switch, the emergency stop switch and the on-off switch are all arranged on the surface of the upper panel.
3. A smokeless electric oven according to claim 2, characterized in that: The shell body is also provided with an inner shell and an oil collecting drawer arranged in the inner shell. The inner shell is arranged above the power module, and the heating module is arranged above the inner shell.
4. A smokeless electric oven according to claim 3, characterized in that: The heating module comprises a heat collecting cover and a heating wire; the heat collecting cover is arranged above the inner shell and connected to the side plate of the shell, the heating wire is installed above the heat collecting cover, and the heating wire is connected to the inverter power supply.
5. A smokeless electric oven according to claim 4, characterized in that: The grilling net assembly comprises a grill and a grilling net arranged on the grill. A heating groove matched with the heating wire is opened on the upper table panel so that the grill is arranged on the heating groove.
6. A smokeless electric oven according to claim 5, characterized in that: It also includes a cleaning unit, which includes a water inlet control valve, a water inlet pipe, and a drain pipe. The water inlet control valve is arranged on a side of the shell, and the water inlet control valve is connected to one end of the water inlet pipe, and the other end of the water inlet pipe is arranged above the oil collecting drawer; a drain port adapted to the drain pipe is opened at the bottom of the inner shell, so that one end of the drain pipe is arranged on the drain port, and the other end of the drain pipe is arranged outside the shell.
7. The smokeless electric oven according to claim 5, characterized in that: The heating wire is fixedly mounted on the heat collecting cover via a fixing plate.
8. The smokeless electric oven according to claim 7, characterized in that: An insulating ceramic block is also connected under the fixing plate.
9. The smokeless electric oven according to claim 2, characterized in that: Movable adjustment feet are also arranged under the bottom plate of the shell.
