Air curtain stove

Abstract

The present invention discloses an air curtain stove, comprising an air curtain device for generating an air curtain, and a flame protection device for preventing the air curtain airflow from affecting the burning flame of the air curtain stove. The air curtain device's air outlet is disposed toward the stove's heating device. The air curtain stove introduced in the present invention incorporates a flame protection device to prevent the air curtain airflow from affecting the burning flame.

Description

Technical Field

[0001] The present invention belongs to the field of stoves, and in particular relates to an air curtain stove. Background Art

[0002] With the improvement of the current urbanization level, more and more people live in buildings. At the same time, the well-ventilated outdoor kitchens have been changed to well-enclosed indoor kitchens with poor ventilation. In order to exhaust the smoke as much as possible, most indoor kitchens are equipped with range hoods. At the same time, in order to enhance the smoke absorption performance of the range hoods, relevant scientific researchers and range hood developers have made great efforts to increase the air volume of the range hoods, which has greatly improved the smoke absorption performance of the range hoods. Despite this, some smoke will still spread into the kitchen when cooking, polluting the indoor environment and affecting To reduce the spread of cooking fumes, some gas stove developers have designed three air ducts directly on the edge of the stovetop, creating three air curtains that separate the fumes from the indoor air. This, to a certain extent, reduces the spread of fumes. However, since these air ducts are directly on the stovetop, debris can easily fall into the ducts. When wiping the stovetop, oil and food residue can easily be dragged into the ducts, causing blockage and thus rendering the ducts useless. Furthermore, since the exhaust direction of these ducts is fixed, they are difficult to use with range hoods with different air intakes. Therefore, addressing dust prevention in the design of the stove's air curtain mechanism, preventing foreign objects from falling into the air curtain outlet during use and from being carried into the air curtain outlet when wiping the stovetop, and addressing the problem of the stove's air curtain being unable to adjust its direction, are pressing issues. Furthermore, since the combustion device is located on the stovetop, the closer the air curtain is to the combustion device, the more pronounced the impact of the air curtain airflow on the flame. If the flame is in an unstable state during the cooking process, it will directly affect the cooking effect.

[0003] In view of this, the present invention is proposed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an air curtain stove on which a flame protection device is added to prevent the air curtain airflow from affecting the burning flame.

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] An air curtain stove comprises an air curtain device for generating an air curtain and a flame protection device for preventing the air curtain airflow from affecting the flame burning of the air curtain stove. The air outlet of the air curtain device is arranged toward the heating device of the air curtain stove.

[0007] The present invention is further configured as follows: the air curtain cooker includes a heating device for providing energy for cooking, and the flame protection device is provided at least on one side of the heating device;

[0008] Preferably, the heating device comprises a burner;

[0009] Preferably, at least a portion of the flame protection device is annular and is arranged around the heating device.

[0010] The present invention is further configured such that: the flame protection device protects the flame by forming a shielding airflow around the flame;

[0011] Preferably, the shielding airflow is distributed in a planar manner, shielding at least one side of the flame;

[0012] Preferably, the shielding airflow is sprayed from the upper side of the air curtain cooker along a certain spraying direction;

[0013] Preferably, the shielding airflow intensity of the flame protection device is smaller than the intensity of the air curtain airflow.

[0014] The present invention is further configured such that: the spray direction of the shielding airflow is adjustable;

[0015] Preferably, the spraying direction is obliquely upward and points in a direction away from the center of the flame;

[0016] Preferably, the angle between the spraying direction and the vertical direction is 0° to 90°.

[0017] The present invention is further configured as follows: the air curtain cooker includes a liquid holding device arranged outside the flame combustion position, and the flame protection device is arranged along at least a portion of the outer peripheral side of the liquid holding device;

[0018] Preferably, the flame protection device is provided at a position where the liquid holding device is connected to the stove top of the air curtain stove.

[0019] The present invention is further configured such that at least a portion of the top of the air curtain device is flat and forms a stovetop of the air curtain stove;

[0020] Preferably, the air curtain device includes a fan device for providing power for air flow, and at least a portion of the fan device is arranged on the lower side of the stove;

[0021] Preferably, at least a portion of the fan device is disposed in a cavity inside the air curtain device.

[0022] The present invention is further configured as follows: the interior of the air curtain device is a cavity allowing gas to flow, the cavity is an annular structure / groove structure, and the liquid holding device and / or heating device is embedded in the air curtain device;

[0023] Preferably, the liquid holding device and / or the heating device is embedded in the central gap of the annular structure / in the groove of the groove-shaped structure.

[0024] The present invention is further configured such that: at least part of the flow gas of the shielding airflow is provided by the air curtain device;

[0025] Preferably, the flame protection device is communicated with the air duct of the air curtain device.

[0026] The present invention is further configured such that: the power for the shielding airflow is at least partially provided by the air curtain device;

[0027] Preferably, the flame protection device and the air curtain device share a fan device powered by air flow.

[0028] The present invention is further configured such that: the air outlet of the air curtain device is arranged toward the heating device of the stove of the air curtain device, and the air flow direction of the air curtain is inclined upward;

[0029] Preferably, the air outlet is a continuous strip-shaped hole structure, and preferably, the air outlet can be opened or closed and is arranged toward the heating device;

[0030] Preferably, the air outlet is openable and closable and is arranged toward the heating device;

[0031] The air outlet of the air curtain device protrudes from the stove top of the air curtain stove;

[0032] Preferably, the air curtain device includes an air outlet portion that controls the position of the air curtain and forms the outline of the air outlet, and the air outlet portion is provided on at least one side of the air curtain cooker;

[0033] Preferably, the air outlet portion blocks the air outlet at the upper side.

[0034] The present invention further introduces an air curtain cooker, comprising an air curtain device for generating an air curtain, wherein an air outlet of the air curtain device is arranged toward a heating device of the air curtain cooker.

[0035] The present invention is further configured such that: the air outlet of the air curtain device protrudes from the stovetop of the air curtain stove;

[0036] Preferably, the air curtain device includes an air outlet portion that controls the position of the air curtain and forms the outline of the air outlet, and the air outlet portion is provided on at least one side of the air curtain cooker;

[0037] Preferably, at least a portion of the air outlet is protruding from the stove;

[0038] Preferably, the air outlet portion shields the air outlet at the upper side;

[0039] Preferably, the air outlet is embedded in the air outlet portion in a direction toward the heating device;

[0040] Preferably, the air outlet portion is a boss-shaped structure, the cross section of the air outlet portion along its extension direction is rectangular, and its upper surface is parallel to the horizontal plane;

[0041] Preferably, the side of the air outlet portion facing the heating device constitutes an air outlet of the air curtain device;

[0042] Preferably, the air outlet is at a certain distance from the stove in the vertical direction, and at least two surfaces of the air outlet are closed structures;

[0043] Preferably, the angle between the direction of the air outlet and the vertical direction ranges from 30° to 90°.

[0044] The present invention is further configured such that at least a portion of the air outlet is a continuous strip-shaped hole structure, and the strip-shaped holes are arranged along at least a portion of the periphery of the air curtain cooker.

[0045] The present invention is further configured such that at least a portion of the top of the air curtain device is flat and forms a stovetop of the air curtain stove;

[0046] Preferably, the air curtain device includes a fan device for providing power for air flow, and at least a portion of the fan device is arranged on the lower side of the stove;

[0047] Preferably, at least a portion of the fan device is disposed in a cavity inside the air curtain device.

[0048] The present invention is further configured as follows: the air outlet portion includes an air direction adjusting member for adjusting the direction of the air curtain, and at least a portion of the air direction adjusting member is arranged on the inner side of the air outlet portion;

[0049] Preferably, when the wind direction adjusting member is closed, the air outlet is blocked inside the air outlet portion;

[0050] Preferably, the wind direction adjusting member is a baffle structure that can be flipped to a certain angle.

[0051] The present invention is further configured to: adjust the working state of the air curtain device based on the working state of the heating device;

[0052] Preferably, the air curtain cooker controls the working state of the air curtain device according to the fire power size / change of the heating device.

[0053] The present invention is further configured as follows: the air curtain cooker includes a liquid holding device embedded in the air curtain device;

[0054] Preferably, the liquid holding device is arranged around the heating device.

[0055] The present invention is further configured as follows: the heating device is a structure embedded in the air curtain device;

[0056] Preferably, the air curtain cooker includes a control system for controlling its working state, and the control system is embedded in the air curtain device;

[0057] Preferably, the control system includes a fire power switch and / or a fire power regulating device.

[0058] The present invention is further configured as follows: the interior of the air curtain device is a cavity allowing gas to flow;

[0059] Preferably, the cavity is an annular structure / a groove-shaped structure, and the heating device is embedded in the central gap of the annular structure / in the groove of the groove-shaped structure.

[0060] The present invention is further configured as follows: the air curtain cooker includes a flame protection device for preventing the air curtain airflow from affecting the combustion of the heating device;

[0061] Preferably, the flame protection device is arranged around the heating device and protects the flame by spraying air flow in a certain direction;

[0062] Preferably, the direction of the airflow sprayed by the flame protection device forms a certain angle with the vertical direction, the angle ranges from 0° to 60°, and the direction of the sprayed airflow is toward the outside of the heating device;

[0063] Preferably, the flame protection device is an annular structure;

[0064] Preferably, the flame protection device is provided around the liquid holding device of the air curtain cooker;

[0065] Preferably, the air duct of the flame protection device is in communication with the air curtain device, and at least part of the jet airflow required by the flame protection device is derived from the airflow generated by the air curtain device;

[0066] Preferably, the direction of the jet airflow of the flame protection device is adjustable, and the intensity of the jet airflow of the flame protection device is smaller than the intensity of the airflow of the wind curtain.

[0067] The present invention further introduces an air curtain stove, comprising an air curtain device for generating an air curtain and a heating device for providing energy for cooking. The corresponding relationship between the working state of the heating device and the working state of the air curtain device is evaluated based on the working state of the heating device, and a judgment is made as to whether the working state of the air curtain device is to be adjusted and / or the degree of adjustment is determined and / or the result of the judgment and / or an operation suggestion is prompted.

[0068] The present invention is further configured such that: when the user adjusts the heating device, the control system of the air curtain stove adjusts the air curtain device accordingly;

[0069] Preferably, the heating device and the air curtain device are connected via the control system;

[0070] Preferably, the control system includes a fire switch and / or a fire adjustment device and / or an input device;

[0071] Preferably, the corresponding relationship between the working state of the air curtain device and the working state of the heating device is preset / user setting / the air curtain stove is adjusted according to actual usage.

[0072] The present invention is further configured such that the working state of the heating device includes at least one of: an on / off state, a fire power level, a time the heating device maintains at a certain fire power level, working stability of the heating device, and an effective value of a rotation angle of the fire power switch and / or the fire power regulating device;

[0073] Preferably, the effective value of the rotation angle of the fire switch and / or the fire regulating device is a relative value of the rotation angle of the fire switch and / or the fire regulating device relative to the firepower size;

[0074] Preferably, the working state of the air curtain device includes: the open and closed states of the air curtain device and / or the angle of the air curtain.

[0075] The present invention is further configured such that: the air curtain cooker determines whether the correspondence between the operating state of the heating device and the operating state of the air curtain device is within a corresponding threshold range, and adjusts the operating state of the air curtain device and / or prompts the judgment result and / or prompts operation suggestions according to the judgment result;

[0076] Preferably, the judgment is performed when the working state of the heating device changes.

[0077] The present invention is further configured as follows: the air curtain cooker determines whether to evaluate the correspondence between the working state of the air curtain device and the working state of the heating device according to the duration of the change in the working state of the heating device;

[0078] Preferably, when the duration reaches a corresponding threshold, the air curtain device is adjusted accordingly;

[0079] Preferably, when the heating device is in the on state and / or the fire power level reaches a corresponding threshold and the time of maintaining in this state reaches a corresponding threshold, the air curtain device is turned on;

[0080] Preferably, the duration is not less than 5s.

[0081] The present invention is further configured such that the working state of the air curtain device includes a primary angle of the air curtain airflow relative to the vertical direction and / or a secondary angle of the angular coverage range of the air curtain airflow at the air outlet of the air curtain device perpendicular to its moving direction;

[0082] Preferably, the adjustment order for the primary angle precedes the adjustment order for the secondary angle;

[0083] Preferably, after adjusting the primary angle, the correspondence between the working state of the air curtain device and the working state of the heating device is evaluated. If the correspondence between the two is within a corresponding threshold range, the secondary angle is no longer adjusted.

[0084] The present invention is further configured such that: when the working state of the energy conversion device changes toward increasing / decreasing firepower, the working state of the air curtain device is adjusted to move the air curtain airflow away from / closer to the energy conversion device.

[0085] The present invention is further configured such that when the working state of the energy conversion device changes toward increasing firepower, the degree of adjustment of the working state of the air curtain device is greater than when the working state of the energy conversion device changes toward decreasing firepower.

[0086] The present invention is further configured such that when the working state of the energy conversion device changes toward increasing firepower, the working state adjustment rate of the air curtain device is greater than when the working state of the energy conversion device changes toward decreasing firepower.

[0087] The present invention is further configured such that the air outlet of the air curtain device can be opened and closed and is arranged toward the heating device of the air curtain device stove, and at least a portion of the top of the air curtain device is flat and constitutes the stovetop of the air curtain stove.

[0088] The present invention further introduces an air curtain stove, which includes an air curtain device for generating an air curtain and a heating device for providing energy for cooking. The working state of the heating device is checked according to the condition of the working area of ​​the air curtain stove, and the air curtain angle of the air curtain device is adjusted based on the condition.

[0089] The present invention is further configured such that: the air curtain cooker determines whether the working area status at the current stage is valid, and verifies the working state of the heating device based on the data of the valid working area status;

[0090] Preferably, when the judgment result is that the working area status is invalid, the working state of the heating device is verified using the working area status data of the previous stage.

[0091] The present invention is further configured to: when determining whether the working area status is valid, the stability of the working area status data is used as one of the criteria for determination;

[0092] Preferably, when the data fluctuation of the working area status at the current stage is within the corresponding stability threshold range, it is judged to be valid, otherwise it is judged to be invalid.

[0093] The present invention is further configured such that: the fluctuation condition includes the degree of deviation of the working area status data relative to the historical data and / or the accumulated time for which the working area status data exceeds its standard value;

[0094] Preferably, the standard value of the working area status data ranges from 60% to 90% of the average value / maximum value of the working area status data.

[0095] The present invention is further configured to: calculate the duration of the change in the acquired working area status data, and when the duration reaches a corresponding threshold, send the corresponding working area status data to the verification device;

[0096] Preferably, the duration is not less than 5s.

[0097] The present invention is further configured as follows: the air curtain cooker comprises:

[0098] a working area status acquisition device for acquiring the status of the working area of ​​the air curtain cooker and generating corresponding working area status data;

[0099] a verification device connected to the heating device, acquiring the working status data of the heating device, and verifying the working status data of the heating device according to the working area status data to generate verification data;

[0100] An angle adjustment device is connected to the air curtain device and the verification device, and adjusts the air curtain angle of the air curtain device according to the verification data.

[0101] The present invention is further configured to: when the change in the working area condition tends to increase / decrease the gas flowability in the working environment of the air curtain cooker, the angle of the air curtain is controlled to tend to move away from / closer to the heating device;

[0102] Preferably, the conditions of the working area include: temperature of the working area, humidity of the working area, fume concentration of the working area, temperature field distribution of the working area, direction and / or intensity of airflow in the working area;

[0103] Preferably, the air curtain cooker obtains the status of the working area in real time / periodically and verifies the working status of the heating device in real time / periodically, and then adjusts the air curtain angle of the air curtain device in real time / periodically.

[0104] The present invention is further configured such that: the air curtain cooker determines whether the corresponding relationship between the verification result and the current air curtain angle of the air curtain device is within a corresponding threshold range based on the verification result, and adjusts the air curtain angle and / or the on / off state of the air curtain device based on the judgment result and / or prompts the judgment result and / or prompts operation suggestions;

[0105] Preferably, the working state of the heating device is obtained by the control system of the air curtain cooker;

[0106] Preferably, the working state of the heating device includes at least one of: an on / off state, a fire power level, a time the heating device maintains at a certain fire power level, working stability of the heating device, and an effective value of a rotation angle of a fire power switch and / or a fire power adjustment device;

[0107] Preferably, the working area includes: the upper side of the stove top of the air curtain stove.

[0108] The present invention is further configured as follows: the air curtain angle of the air curtain device includes a primary angle of the air curtain airflow relative to the vertical direction and / or a secondary angle of the angle coverage range of the air curtain airflow at the air outlet of the air curtain device perpendicular to its flow direction;

[0109] Preferably, the adjustment order for the primary angle precedes the adjustment order for the secondary angle;

[0110] Preferably, after adjusting the primary angle, the correspondence between the working state of the air curtain device and the working state of the heating device is determined. If the correspondence between the two is within a corresponding threshold range, the secondary angle is no longer adjusted.

[0111] The present invention is further configured to: when the correspondence between one of the primary angle and the secondary angle and the result of the verification exceeds a corresponding threshold, the primary angle / secondary angle of the air curtain device is adjusted, and / or the result of the judgment and / or the operation suggestion is prompted;

[0112] Preferably, when the correspondence between the primary angle and the secondary angle and the result of the verification exceeds corresponding thresholds, the primary angle / secondary angle of the air curtain device is adjusted, and / or the result of the judgment and / or the operation suggestion is prompted; and after waiting for a predetermined time, the judgment is performed again;

[0113] Preferably, the air curtain stove prompts the user to select a judgment method for the current use of the air curtain stove when it is turned on.

[0114] The present invention further introduces an air curtain stove, including an air curtain device for generating an air curtain and a flame state acquisition device. The flame state acquisition device acquires the flame state of the stove, generates and records corresponding flame data, and the control system of the air curtain stove adjusts the working state of the air curtain device and / or prompts the result of the judgment of the working state of the air curtain device and / or prompts operation suggestions based on the flame data.

[0115] The present invention is further configured such that the flame state acquisition device acquires the flame state of the cooker each time the flame state changes, and generates historical flame data for use in evaluating other data generated thereafter.

[0116] The present invention is further configured as follows: the flame state acquisition device determines whether the current flame state can generate historical flame data based on the fluctuation and holding time of the flame state;

[0117] Preferably, when generating historical flame data, the flame state acquisition device records the fluctuation of the flame state and the duration of the fluctuation. When the fluctuation of the flame state is maintained within the flame fluctuation threshold range for a time period exceeding a corresponding set value, it is recorded as historical flame data.

[0118] Preferably, the adjustment of the working state of the air curtain device is delayed before the generation of the historical flame data is completed.

[0119] The present invention is further configured such that: the control system determines whether the current working state of the air curtain device needs to be adjusted based on the flame state; when the air curtain state judgment result is yes, the working state of the air curtain device is adjusted and / or the judgment result and / or operation suggestions are prompted.

[0120] The present invention is further configured such that: when the result of the air curtain state judgment is yes, the control system predicts whether the adjustment of the working state of the air curtain device will affect the flame state based on the historical flame data and the current working state of the air curtain device, and controls the adjustment range of the working state of the air curtain device based on the prediction result;

[0121] Preferably, the prediction is performed based on corresponding historical flame data recorded by the air curtain cooker and corresponding historical adjustment results.

[0122] The present invention is further configured such that: after adjusting the working state of the air curtain device, the control system determines whether the adjustment is effective based on the current flame data;

[0123] Preferably, when the current flame data indicates that the irregularity / fluctuation degree of the flame state distribution exceeds a corresponding threshold, the adjustment is invalid;

[0124] Preferably, when the adjustment is ineffective, the degree of adjustment of the working state of the air curtain device is reduced / increased.

[0125] The present invention is further configured such that: after adjusting the working state of the air curtain device, the control system determines whether the adjustment is effective based on the current flame data and the current flame state;

[0126] Preferably, when the flame data does not match the current flame state, the adjustment is invalid;

[0127] Preferably, when the adjustment is ineffective, the degree of adjustment of the working state of the air curtain device is reduced / increased.

[0128] The present invention is further configured such that: the flame state is obtained by a control system of the stove, and the control system of the stove comprises: a switch knob of the stove;

[0129] Preferably, the flame state includes: flame height, flame temperature field, and flame temperature field stability;

[0130] Preferably, the working state of the air curtain device includes: the on / off state of the air curtain device and / or the air curtain airflow intensity and / or the air curtain angle of the air curtain device.

[0131] The present invention is further configured such that: when the adjustment is invalid, if the flame state changes to an output increase, the air curtain device is turned on and / or the air curtain airflow intensity is increased and / or the air curtain angle is moved away from the cooker; if the flame state changes to an output decrease, the air curtain device is turned off and / or the air curtain airflow intensity is reduced and / or the air curtain angle is moved closer to the cooker.

[0132] The present invention is further configured as follows: the wind curtain angle includes a primary angle of the wind curtain airflow relative to the vertical direction and / or a secondary angle of the angle coverage range of the wind curtain airflow at the air outlet of the wind curtain device perpendicular to its movement direction;

[0133] Preferably, the adjustment of the primary angle precedes the adjustment of the secondary angle;

[0134] Preferably, after adjusting the primary angle, the control system judges the air curtain angle and the flame state. If the judgment result is within the corresponding threshold range of the corresponding relationship between the two, the secondary angle adjustment is no longer performed.

[0135] The present invention further introduces an air curtain stove, including an air curtain device for generating an air curtain, wherein the air outlet of the air curtain device is configured to include at least two air outlet units that can independently adjust / control the working state, and the relative positions of different air outlet units to the heating device of the air curtain stove are different.

[0136] The present invention is further configured such that: at least two adjacent air outlet units are continuously arranged, so that at least a portion of the air outlet is a continuous strip-shaped hole structure;

[0137] Preferably, the extension direction of the air outlet is parallel to the horizontal direction.

[0138] The present invention is further configured such that: the air curtain cooker controls the working state of the air outlet unit according to the environmental state of its surroundings;

[0139] Preferably, the air curtain cooker controls at least two of the air outlet units separately according to the environmental conditions around it;

[0140] Preferably, the air curtain cooker includes a state acquisition device for acquiring the environmental state around the air curtain cooker and generating corresponding environmental state data;

[0141] Preferably, the state acquisition device is connected to the air curtain device via a control system of the air curtain cooker, and the control system controls the working state of the air curtain device according to the environmental state data.

[0142] The present invention is further configured such that: the working state of the tuyere unit includes: open, closed and / or wind curtain angle;

[0143] Preferably, the environmental conditions include: ambient temperature and / or ambient humidity and / or ambient oil smoke content;

[0144] Preferably, the state acquisition device is provided on at least one side around the air curtain cooker.

[0145] The present invention is further configured as follows: the state acquisition device is provided corresponding to the air outlet unit;

[0146] Preferably, the number of the state acquisition devices is at least two, and at least two of the state acquisition devices are provided in a one-to-one correspondence with the air outlet units;

[0147] Preferably, the control system controls the at least two air outlet units separately according to data generated by different state acquisition devices.

[0148] The present invention is further configured such that: the air curtain cooker controls different air outlet units separately according to the environmental conditions around the different air outlet units;

[0149] Preferably, when the state acquisition device determines that the data of the environmental state exceeds a corresponding threshold, the working state of the corresponding air outlet unit is adjusted accordingly;

[0150] Preferably, the air curtain cooker adjusts the air outlet unit in real time and / or periodically;

[0151] Preferably, the air curtain cooker has different adjustment frequencies for air outlet units at different positions.

[0152] The present invention is further configured as follows: the air curtain angle of the air curtain device includes a primary angle of the air curtain airflow relative to the vertical direction and / or a secondary angle of the angle coverage range of the air curtain airflow at the air outlet of the air curtain device perpendicular to its flow direction;

[0153] Preferably, the adjustment order for the primary angle precedes the adjustment order for the secondary angle;

[0154] Preferably, after adjusting the primary angle, the correspondence between the working state of the air curtain device and the environmental state is determined. If the correspondence between the two is within a corresponding threshold range, the secondary angle is no longer adjusted.

[0155] The present invention is further configured to: when it is determined that the correspondence between one of the primary angle and the secondary angle and the environmental state exceeds a corresponding threshold, adjust the primary angle / secondary angle of the air curtain device, and / or prompt the judgment result and / or prompt operation suggestions;

[0156] Preferably, when it is determined that the correspondence between the primary angle and the secondary angle and the environmental state exceeds the corresponding threshold, the primary angle / secondary angle of the air curtain device is adjusted, and / or the judgment result and / or operation suggestion are prompted; and after waiting for a predetermined time, the judgment is performed again.

[0157] The present invention is further configured such that: the air outlet of the air curtain device protrudes from the stovetop of the air curtain stove;

[0158] Preferably, the air curtain device includes an air outlet portion that controls the position of the air curtain and forms the outline of the air outlet, and the air outlet portion is provided on at least one side of the air curtain cooker;

[0159] Preferably, at least a portion of the air outlet is protruding from the stove;

[0160] Preferably, the air outlet portion shields the air outlet at the upper side;

[0161] Preferably, the side of the air outlet portion facing the heating device constitutes an air outlet of the air curtain device;

[0162] Preferably, there is a certain distance between the air outlet and the stove in the vertical direction.

[0163] The present invention is further configured as follows: the air curtain cooker includes a flame protection device for preventing the air curtain airflow from affecting the combustion of the heating device;

[0164] Preferably, the flame protection device is arranged around the heating device and protects the flame by spraying air flow in a certain direction.

[0165] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

[0166] 1. The air curtain cooker introduced in the present invention has a flame protection device added to protect the burning flame when the heating device of the cooker is working. This prevents the airflow of the air curtain or the airflow in the working environment of the equipment from affecting the burning flame, thereby ensuring the cooking effect.

[0167] 2. With the air curtain cooker introduced in the present invention, the flame protection device is arranged on at least one side of the circumference of the heating device. Therefore, no matter which side of the heating device is generated by the air curtain or the airflow caused by the environment, the flame protection device can effectively implement its protection function.

[0168] 3. The air curtain stove introduced in the present invention protects the flame by shielding the airflow. The airflow is easier to control than with other structures, and the generation and elimination of the airflow does not significantly affect the surrounding environment. Moreover, generating the shielded airflow only requires providing corresponding air outlets on the stove, without the need for additional devices. The flame device in the present invention includes linear air outlets or multiple continuously distributed point-shaped air outlets on the stove top. Preferably, the air outlet facilities are no higher than the upper surface of the stove top.

[0169] 4. The air curtain cooker introduced in this invention defines the shielding airflow's direction. This diagonal upward flow prevents the flame from burning while isolating it from the surrounding environment. The adjustable direction of the flow is designed to accommodate different environments and conditions. When the flame's combustion range is large, the angle between the flow direction and the vertical direction can be appropriately increased to further prevent the airflow from interfering with the flame.

[0170] 5. The air curtain stove introduced in this invention combines the flame protection device with the liquid storage device, allowing shielded airflow to be ejected from all sides of the liquid storage device, further reducing the structural burden of the device. Furthermore, since a certain gap is inevitably left between the liquid storage device and the stovetop, fully utilizing this gap can effectively improve the space utilization of the stove and conceal the flame protection device, ensuring the stove's aesthetic appearance.

[0171] 6. The air curtain cooker introduced in the present invention enables the air duct of the air curtain device and the air duct of the flame protection device to be connected. Thus, when the air curtain airflow is generated, the airflow of the flame protection device is also generated, ensuring the coordination between the two and strictly ensuring that the air curtain generated by the air curtain device does not affect the flame combustion.

[0172] 7. The air curtain stove introduced in this invention features a specially designed air curtain mechanism. The air outlet is positioned higher than the stovetop, preventing easily movable foreign matter such as water or dust from entering the air outlet, even if it is on the stovetop, or in an environment with complex airflow. This prevents foreign matter from entering the air curtain mechanism or the stovetop, thus ensuring maximum cleanliness. Furthermore, the flame protection device, while shielding the airflow, prevents contaminants on the stovetop from being blown into the air curtain mechanism.

[0173] 8. The air curtain stove introduced in this invention places the air outlet higher than the stovetop surface, allowing the air curtain to be formed above the stovetop. Because the stovetop also houses a heating device, this design can minimize the air curtain's impact on the heating device's flame. For example, if other cooking utensils are placed on the stovetop, the air curtain could shift direction due to the obstruction of the utensils. However, even in this situation, the affected air curtain airflow will flow upward rather than along the stovetop surface, ensuring combustion stability for the heating device.

[0174] 9. The air curtain stove introduced in the present invention has a design of the air outlet so that the air outlet can be arranged in a ring shape around the stove, providing greater flexibility in the location of the air outlet. In addition, the air outlet is a boss-like structure, which supports the air curtain outlet on multiple sides to ensure the structural stability of the air outlet. It is known that other items may usually be placed on the stove, so the structural performance of the air outlet is strengthened to have good anti-deformation ability, ensuring that the air outlet can maintain stable air supply capacity and stable wind direction positioning ability in an environment of air flow vibration during the air curtain generation process. In addition, the orientation design of the air outlet can ensure that the air curtain airflow will not be blown onto the user, avoiding causing discomfort to the user.

[0175] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0176] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without inventive effort. In the accompanying drawings:

[0177] Figure 1 is a schematic diagram of an air curtain cooker in one embodiment of the present invention;

[0178] Figure 2 is a schematic diagram of an air curtain cooker in one embodiment of the present invention;

[0179] Figure 31 is a schematic diagram of the structure of the air curtain cooker in a closed state of the air outlet in one embodiment of the present invention;

[0180] Figure 4 This is a partial structural diagram of an air curtain cooker in an embodiment of the present invention with its air outlet in an open state;

[0181] Figure 5 It is a partial structural diagram of the air curtain cooker in a closed state of the air outlet in one embodiment of the present invention.

[0182] In the figure: 1. air outlet; 2. air outlet part; 3. stove; 4. control system; 5. liquid holding device; 6. heating device; 7. flame protection device; 8. wind direction adjustment part; 9. deflection connection part.

[0183] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0184] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0185] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the present invention.

[0186] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0187] The air curtain stove described in this invention includes an air curtain device that generates an air curtain and a flame protection device that prevents the air curtain's airflow from affecting the stove's flames. The flame protection device protects the burning flame when the stove's heating device is operating, preventing the air curtain's airflow or airflow in the stove's operating environment from affecting the flames, thereby ensuring effective cooking.

[0188] Example 1

[0189] The air curtain cooker of this embodiment includes a heating device that provides energy for cooking, and the flame protection device is disposed at least on one side of the heating device. At least a portion of the flame protection device is annular and disposed around the heating device, which includes a burner.

[0190] With the air curtain cooker described in this embodiment, the flame protection device is arranged on at least one side of the circumference of the heating device. Therefore, no matter which side of the heating device the air curtain or airflow caused by the environment is generated, the flame protection device can effectively implement its protection function.

[0191] Furthermore, the flame protection device in this embodiment protects the flame by forming a shielding airflow around the flame. The shielding airflow is distributed in a planar manner, shielding at least one side of the flame. The shielding airflow is ejected from the upper side of the air curtain cooktop along a specific ejection direction. Preferably, the shielding airflow intensity of the flame protection device is less than the intensity of the air curtain airflow.

[0192] The air curtain stove described in this embodiment protects the flame by shielding the airflow. The airflow is easier to control than with other structures, and the generation and elimination of the airflow does not significantly affect the surrounding environment. Furthermore, generating the shielded airflow only requires providing corresponding air outlets on the stove, without the need for additional devices. The flame device in the present invention includes linear air outlets or multiple continuously distributed point-shaped air outlets on the stove top. Preferably, the air outlet facilities are no higher than the upper surface of the stove top.

[0193] Example 2

[0194] The air curtain stove described in this embodiment differs from the above embodiments in that the shielding airflow jet direction is adjustable. The jet direction is inclined upward and points away from the center of the flame. Preferably, the included angle between the jet direction and the vertical direction is 0° to 90°. The shielding airflow jet direction can be automatically adjusted by the air curtain stove control system or by the user. If the user finds that the air curtain generated by the air curtain device or the ambient airflow is affecting the flame during use of the stove, the shielding airflow direction can be manually adjusted. Preferably, the air curtain stove control system includes an adjustment knob for adjusting the shielding airflow jet direction.

[0195] The air curtain cooker described in this embodiment defines the shielding airflow's direction. This diagonal upward flow prevents the flame from burning while isolating it from the surrounding environment. The adjustable direction of the flow is designed to accommodate different environments and conditions. When the flame's combustion range is large, the angle between the flow direction and the vertical direction can be appropriately increased to further prevent the airflow from interfering with the flame.

[0196] Example 3

[0197] The air curtain cooker described in this embodiment differs from the previous embodiment in that it includes a liquid reservoir located outside the flame combustion position, and the flame protection device is located along at least a portion of the outer periphery of the liquid reservoir. Preferably, the flame protection device is located at the connection between the liquid reservoir and the cooktop of the air curtain cooker. Furthermore, the liquid reservoir is often detachable, allowing users to remove the liquid reservoir and clean the flame protection device, facilitating equipment maintenance.

[0198] The air curtain cooker described in this embodiment combines the flame protection device with the liquid storage device, allowing shielded airflow to be ejected from all sides of the liquid storage device, further reducing the structural burden of the device. Furthermore, since a certain gap is inevitably left between the liquid storage device and the cooktop, fully utilizing this gap can effectively improve the space utilization of the cooker and conceal the flame protection device, ensuring an aesthetically pleasing appearance.

[0199] Example 4

[0200] The air curtain cooker described in this embodiment differs from the previous embodiments in that at least a portion of the shielding airflow is provided by the air curtain device. The flame protection device communicates with the air duct of the air curtain device. Alternatively, the shielding airflow is at least partially powered by the air curtain device, and the flame protection device and the air curtain device share a fan device that provides power for the air flow. With the air curtain cooker described in this embodiment, the air ducts of the air curtain device and the flame protection device are connected. Therefore, when the air curtain airflow is generated, the flame protection device's airflow is also generated, ensuring that the air curtain generated by the air curtain device does not affect the combustion of the flame.

[0201] Example 5

[0202] like Figures 1 to 2 As shown, the air curtain stove described in the present invention includes an air curtain device, with an air outlet 1 protruding from the stovetop 3. This design of the air curtain stove, with the air outlet elevated above the stovetop, prevents easily movable foreign matter such as water or dust from entering the air curtain device or stovetop, even if they are on the stovetop, or in environments with complex airflow. This prevents foreign matter from entering the air curtain device or stovetop, ensuring maximum cleanliness.

[0203] like Figure 1 As shown, the air curtain cooker described in this embodiment includes an air outlet 2 that controls the position of the air curtain and forms the outline of the air outlet. The air outlet 2 is located on at least one side of the air curtain cooker. Preferably, the air outlet 2 is located on three sides of the air curtain cooker, with no air outlet located on the side away from the user. The air outlet on each side is controlled by a different switch, allowing the air curtain on a specific side to be selectively opened or closed.

[0204] Furthermore, at least part of the air outlet 2 of the air curtain stove introduced in this embodiment protrudes from the stove 3. The air outlet 2 is a boss-like structure. The cross-section of the air outlet 2 along its extension direction is rectangular, and its upper surface is parallel to the horizontal plane to achieve the support function.

[0205] Furthermore, the side of the air curtain stove's air outlet 2 facing the center of the air curtain stove (the side facing the stove's heating device) forms the air curtain device's air outlet 1. The air outlet 1 is vertically spaced a certain distance from the stovetop, and the air outlet 2 is completely enclosed on at least two sides. The angle between the air outlet 1 and the vertical direction ranges from 30° to 90°. The orientation of the air outlet 1 is adjustable, ensuring a perfect air curtain effect while avoiding interfering with flame combustion.

[0206] The air curtain stove described in this embodiment places the air outlet higher than the upper surface of the stovetop, allowing the air curtain to be formed above the stovetop. Since the stovetop also houses a heating device, this design can minimize the impact of the air curtain on the heating device's flames. For example, if other cooking utensils are placed on the stovetop, the air curtain could shift direction due to the obstruction of the utensils. However, even in this situation, the affected air curtain airflow flows upward rather than along the stovetop surface, ensuring combustion stability for the heating device. Furthermore, the design of the air outlet allows the air outlets to be arranged in a circular pattern around the stovetop, providing greater flexibility in their placement. Furthermore, the air outlet is a raised platform-like structure, providing support for the air curtain outlet on multiple sides, ensuring its structural stability. Since other items are often placed on the stovetop, the air curtain's structural performance is strengthened, ensuring good deformation resistance. This ensures that the air curtain maintains stable air delivery and wind direction in the presence of airflow vibrations during air curtain generation. In addition, the orientation design of the air outlet can ensure that the airflow of the wind curtain will not be blown onto the user, avoiding causing discomfort to the user.

[0207] Example 6

[0208] like Figure 1 As shown, the difference between the air curtain cooker introduced in this embodiment and the above embodiment is that the air outlet 1 is a strip hole structure, and the extension direction of the air outlet 1 is horizontal, so that the air outlet 1 is a through structure in its extension direction.

[0209] The air curtain stove described in this embodiment utilizes a strip-shaped hole structure for the air outlet, ensuring the continuity of the air curtain generated by the air curtain device and preventing the problem of partial lack of airflow in the generated air curtain. If the air outlet is designed as a multi-point arrangement during the air curtain process, the positions between the points where no gas flows out are the locations where the air pressure is exchanged, resulting in uneven air pressure across the air curtain, causing turbulence and affecting the direction of the air curtain. Furthermore, the design of the strip-shaped air outlet relies on a structure in which the air outlet portion is completely wrapped on at least two sides. It is this structure that provides good support for the air outlet and enables the strip-shaped air outlet structure.

[0210] Furthermore, the top of the air curtain device in the air curtain stove described in this embodiment is flat and forms the stovetop 3. By adjusting some of the air curtain device's structural features to form the stovetop, the air curtain device and the stovetop have no connection points (gaps or grooves) between them, forming a completely integrated structure. This reduces the possibility of foreign matter accumulating on the stovetop and further reduces the possibility of foreign matter entering the air curtain outlet through structural design.

[0211] Furthermore, the air curtain cooktop described in this embodiment includes an air curtain device that provides power for air flow (not shown). At least a portion of the air curtain device is located below the cooktop 3. Preferably, at least a portion of the air curtain device is located within a cavity within the air curtain device. The air curtain device also includes an air volume adjustment member (not shown) extending to the exterior of the air curtain cooktop and connected to the air curtain device. The air volume adjustment member is used to control the air volume generated by the air curtain device.

[0212] Preferably, the air volume adjustment member is connected to the air curtain stove's control system 4 and adjusts the air volume generated by the fan device according to the state of the control system 4. The control system 4 can be a power switch and / or a power adjustment device. The air curtain stove described in this embodiment establishes a coordinated relationship between the fan device and the control system, allowing the fan device to adjust its operating mode based on the operating conditions of the control system. When the control system increases the power, the air curtain fan device increases the air volume output, improving the efficiency of the air curtain. When the control system decreases the power, the air curtain fan device decreases the air volume output, reducing the efficiency of the air curtain. This achieves automatic control of the efficiency and status of the air curtain.

[0213] Example 7

[0214] The difference between the air curtain stove introduced in this embodiment and the above embodiment is that: a wind direction adjusting member for adjusting the wind direction of the air outlet is provided inside the air outlet portion relative to the air outlet. The wind direction adjusting member is a baffle structure that can be flipped to a certain angle. When its relative position is parallel to the vertical direction, it covers the air outlet and closes it.

[0215] Furthermore, the air curtain cooker described in this embodiment includes an air outlet portion that extends to the exterior of the cooker and is connected to the air direction adjusting member. The air direction controlling member is used to control the angle of the air direction adjusting member. Preferably, at least a portion of the air direction controlling member is a knob-shaped structure.

[0216] Furthermore, the wind direction control member of the air curtain stove described in this embodiment is connected to the control system of the air curtain stove, and the angle of the wind direction control member is adjusted according to the state of the control system. The control system can be a fire switch and / or a fire adjustment device.

[0217] The air curtain stove described in this embodiment incorporates a wind direction adjustment member, which can be used to guide the direction of the air curtain. Since the wind curtain adjustment member is a movable part during use, its placement within the air outlet effectively prevents it from being contaminated by oil and dirt. The cavity formed by the air outlet protects it, preventing the movement of the wind direction adjustment member from affecting the user. Furthermore, the wind direction adjustment member can close the air outlet in at least one position. When the air curtain function is not required, the air outlet is blocked, further ensuring that foreign matter cannot enter this position.

[0218] Example 8

[0219] like Figure 1 As shown, the air curtain stove described in this embodiment differs from the previous embodiments in that it includes a heating device 6 embedded in the air curtain assembly. Furthermore, the air curtain stove described in this embodiment includes a control system 4 for controlling the operating status of the heating device 6, which is embedded in the air curtain assembly. The design of embedding both the heating device and the control system in the air curtain assembly enhances the structural integrity of the device. Because the air curtain assembly constitutes the primary framework of the device, only the heating device and other components need to be installed on the air curtain assembly during production. Furthermore, the structural design of the air curtain stove described in this embodiment significantly expands the internal space of the air curtain assembly, providing a spacious structure in all directions. Therefore, fans of varying sizes, models, and air volume generation principles can be used as the fan assembly of the air curtain stove described in this embodiment. The fan assembly used in the air curtain stove described in this embodiment can include either axial or centrifugal fans, offering a wide range of sizes and models, ensuring the production of a high-quality air curtain.

[0220] Furthermore, the air curtain cooker described in this embodiment includes a liquid storage device embedded in the cooktop; the interior of the air curtain device is a cavity that allows air to flow. Preferably, the cavity is an annular structure or a groove-shaped structure, and the heating device is embedded in the central void of the annular structure or in the groove of the groove-shaped structure.

[0221] Preferably, the liquid holding device is arranged around the heating device of the air curtain cooker.

[0222] Embodiment 9

[0223] like Figure 2 As shown, the air curtain stove described in this embodiment differs from the above-mentioned embodiments in that it includes a flame protection device 7, which is arranged around the heating device 6 and protects the flame of the heating device by spraying air in a certain direction. The air outlet of the air curtain device is located on the stovetop. Compared with air curtain range hoods in the prior art, its air outlet is closer to the stove's heating device. This may affect the combustion of the flame during the initial stage of air curtain generation, the closing stage of the air curtain device, and the stage of adjusting the wind direction and air volume of the air curtain. Therefore, it is necessary to protect the heating device during the entire stage of changing the air curtain or using the air curtain. Through the technical solution described in this embodiment, the flame protection device is arranged around the heating device to isolate the flame from the surrounding environment, which can significantly reduce the impact of the air curtain on the flame.

[0224] Furthermore, the flame protection device 7 of the air curtain cooker described in this embodiment sprays airflow at an angle of 0° to 60° relative to the vertical. Preferably, the flame protection device 7 is an annular structure. The flame protection device described in this embodiment surrounds the heating device, providing protection from all directions.

[0225] Furthermore, the flame protection device 7 of the air curtain stove described in this embodiment is installed around the liquid storage device of the air curtain stove. This design ensures the flame protection device's distance from the heating device while still achieving its function. Preferably, the airflow ejected by the flame protection device is at a certain angle with the air curtain airflow, ranging from 0° to 90°. This allows the flame protection device to effectively blow away the air curtain airflow near the heating device.

[0226] Furthermore, the flame protection device 7 of the air curtain cooker described in this embodiment is connected to the air curtain device. The jet airflow required by the flame protection device is derived from the airflow generated by the air curtain device. This design effectively solves the problem of the flame protection device's airflow source without adding to the structural burden of the device. Preferably, the direction of the flame protection device's jet airflow is adjustable.

[0227] Example 10

[0228] like Figures 3 to 5 As shown, the air curtain cooker in this embodiment differs from the above-mentioned embodiment in that the lower end of the air direction adjusting member 8 at the air outlet 1 in this embodiment is rotatably connected to the air outlet portion 2 via a deflection connecting member 9, and the upper end of the air direction adjusting member 8 can be deflected around the deflection connecting member 9 toward the outside of the air outlet 1, thereby opening the air outlet and adjusting the direction of the air curtain at the air outlet. When closed, the air outlet can be completely blocked.

[0229] Figure 5 In the structure, the upper part of the air outlet extends a certain distance toward the opening direction of the air outlet, so the shielding range above the air outlet is larger, increasing its protection range for the air outlet, and can also protect the wind direction adjusting member 8 to a certain extent.

[0230] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as above in terms of a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with this patent can make slight changes or modifications to equivalent embodiments using the above technical content without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the solution of the present invention.

Claims

1. An air curtain cooker, characterized in that: It includes an air curtain device for generating an air curtain and a flame protection device for preventing the airflow of the air curtain from affecting the flame burning of the air curtain stove, wherein the air outlet of the air curtain device is arranged toward the heating device of the air curtain stove; The flame protection device protects the flame by forming a shielding airflow around the flame; The shielding airflow is distributed in a planar manner, shielding at least one side of the flame; The shielding airflow intensity of the flame protection device is less than the intensity of the air curtain airflow; The spray direction of the shielding airflow is adjustable; The spray direction is inclined upward and points away from the center of the flame; The flame protection device includes an air outlet arranged linearly on the stove top of the stove or a plurality of continuously distributed point-shaped air outlets, and the air outlet of the flame protection device is not higher than the upper surface of the stove top.

2. The air curtain cooker according to claim 1, characterized in that: The air curtain cooker includes a heating device for providing energy for cooking, and the flame protection device is at least arranged on one side of the heating device.

3. The air curtain cooker according to claim 2, characterized in that: The heating device includes a burner.

4. The air curtain cooker according to claim 2, characterized in that: At least a portion of the flame protection device is annular and is arranged around the heating device.

5. The air curtain cooker according to claim 1, characterized in that: The shielding airflow is sprayed from the upper side of the air curtain cooker along a certain spraying direction.

6. The air curtain cooker according to claim 5, characterized in that: The angle between the spraying direction and the vertical direction is 0°~90°.

7. The air curtain cooker according to any one of claims 1 or 2, characterized in that: The air curtain cooker includes a liquid holding device arranged outside the flame burning position, and the flame protection device is arranged along at least a portion of the outer peripheral side of the liquid holding device.

8. The air curtain cooker according to claim 7, characterized in that: The flame protection device is arranged at a position where the liquid holding device and the stove of the air curtain stove are connected.

9. The air curtain cooker according to claim 1, characterized in that: At least a portion of the top of the air curtain device is flat and forms a stovetop of the air curtain stove.

10. The air curtain cooker according to claim 9, characterized in that: The air curtain device includes a fan device that provides power for air flow, and at least a portion of the fan device is arranged on the lower side of the stove.

11. The air curtain cooker according to claim 10, characterized in that: At least a portion of the fan device is disposed in a cavity inside the air curtain device.

12. The air curtain cooker according to claim 8, characterized in that: The interior of the air curtain device is a cavity allowing gas to flow, and the cavity is a ring-shaped structure / groove-shaped structure. The liquid holding device and / or the heating device is embedded in the air curtain device.

13. The air curtain cooker according to claim 12, characterized in that: The liquid holding device and / or the heating device is embedded in the central gap of the annular structure / in the groove of the groove-shaped structure.

14. The air curtain cooker according to claim 13, characterized in that: At least part of the flowing gas of the shielding airflow is provided by the air curtain device.

15. The air curtain cooker according to claim 14, characterized in that: The flame protection device is communicated with the air duct of the air curtain device.

16. The air curtain cooker according to claim 15, characterized in that: The power for the shielding airflow is at least partially provided by the air curtain device.

17. The air curtain cooker according to claim 16, characterized in that: The flame protection device and the air curtain device share a fan device powered by air flow.

18. The air curtain cooker according to claim 1, characterized in that: The air outlet of the air curtain device is arranged toward the heating device of the air curtain device cooker, and the air flow direction of the air curtain is inclined upward.

19. The air curtain cooker according to claim 18, characterized in that: The air outlet is a continuous strip-shaped hole structure, and the strip-shaped holes are arranged along at least a portion of the periphery of the air curtain cooker.

20. The air curtain cooker according to claim 19, characterized in that: The air outlet of the air curtain device protrudes from the stove top of the air curtain stove.

21. The air curtain cooker according to claim 20, characterized in that: The air outlet can be opened or closed and is arranged toward the heating device.

22. The air curtain cooker according to claim 21, characterized in that: The air curtain device includes an air outlet portion that controls the generating position of the air curtain and forms the outline of the air outlet. The air outlet portion is arranged on at least one side of the air curtain cooker.

23. The air curtain cooker according to claim 22, characterized in that: The air outlet portion shields the air outlet at an upper side.

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