CN110631076A

CN110631076A - Smoke stove linkage type air curtain range hood

Info

Publication number: CN110631076A
Application number: CN201810660519.0A
Authority: CN
Inventors: 孟永哲; 艾希顺; 张智; 盖其高
Original assignee: Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Current assignee: Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Priority date: 2018-06-25
Filing date: 2018-06-25
Publication date: 2019-12-31

Abstract

The invention discloses a smoke stove linkage type air curtain range hood, which comprises: an air curtain device for forming an air curtain; the state acquisition device is used for acquiring the working state of the air curtain device, the working state of a kitchen range corresponding to the range hood and the surrounding environment state of the range hood and generating corresponding data; and the linkage device is connected with the air curtain device and the state acquisition device and adjusts the working state of the air curtain device according to the data acquired by the state acquisition device. The invention provides a smoke stove linkage type air curtain range hood, which is additionally provided with a linkage device for controlling an air curtain device, controls the working state of the air curtain device through the working state of a stove in the working area range of the range hood, and implements reasonable control on the working state of the air curtain device.

Description

Smoke stove linkage type air curtain range hood

Technical Field

The invention belongs to the field of kitchen air purification equipment, and particularly relates to a smoke stove linkage type air curtain range hood.

Background

Kitchen cleaning equipment in the prior art relies on air flow to improve the kitchen gas environment. At present, most of the equipment is the range hood and the related improved equipment, and the types of the equipment are various, and the equipment has double cylinders, single cylinders, a cover type, upper air suction, lower air suction and the like. However, these range hoods are passive air suction devices, and the oil smoke suction port is a certain distance away from the cooking device that generates oil smoke, so that the oil smoke having certain kinetic energy and generated instantaneously during cooking cannot be completely removed. In order to solve the above problems, manufacturers of kitchen cleaning equipment often improve the range hood in a manner of changing the height and working power thereof, so that the fume suction effect is improved, but the problem of the fume overflowing from the periphery of the cooker still cannot be solved. In addition, the problem of oil smoke escape cannot be solved by increasing the area of the range hood cage to control the rising oil smoke below the smoke hood, increasing the power of the main motor and enhancing the smoke exhaust effect by large suction force. Therefore, how to effectively block the oil smoke from escaping becomes a problem which needs to be solved urgently. The performance requirements of consumers on kitchen air purification equipment are higher and higher, the large suction force becomes the pursuing target of various big merchants, but the problems of incomplete suction, oil smoke overflow and the like cannot be solved by the range hood sold on the market at present, a small part of range hood escapes from the front part of the machine in the cooking process, directly attacks clothes, hair and faces of cookers, is harmful to the skin of the faces, induces respiratory diseases if being sucked by human bodies for a long time, and directly influences the body health of the users. Therefore, the range hood in the prior art is provided with an air curtain device for solving the problem of oil smoke escape so as to isolate the user from the escaping oil smoke when the user uses the range hood. However, how reasonable control the intensity of air curtain air current for the intensity of air curtain air current suits with current culinary art environment, when forming effectual air curtain air current, avoids air curtain air current too strong, arouses unnecessary consumption and noise, becomes the problem that awaits a urgent need to be solved. In addition, the air curtain device in the prior art needs the air curtain fan to provide air flow, so that the noise and energy consumption of the equipment are obviously increased, and the system burden and the control burden of the equipment are increased by independently setting the control system aiming at the air curtain device.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a smoke-range linkage type air curtain range hood, wherein a state acquisition device and a linkage device are additionally arranged, and the working state of the air curtain device is comprehensively evaluated from a plurality of angles of the working state of the range hood, the surrounding environment state and the like, so that the air curtain device is properly adjusted.

In order to solve the technical problems, the invention adopts the technical scheme that:

the utility model provides a smoke and fire range coordinated type air curtain range hood, includes:

an air curtain device for forming an air curtain;

the state acquisition device is used for acquiring the working state of the air curtain device, the working state of a kitchen range corresponding to the range hood and the surrounding environment state of the range hood and generating corresponding data;

and the linkage device is connected with the air curtain device and the state acquisition device and adjusts the working state of the air curtain device according to the data acquired by the state acquisition device.

The invention is further configured to: after the linkage device obtains the data obtained by the state obtaining device, judging whether the corresponding relation among the data is in a corresponding threshold value range, and adjusting the working state of the air curtain device according to the judgment result and/or prompting an operation suggestion;

preferably, the operating conditions of the hob include: flame temperature of the cooker, flame height, flame temperature field condition, duration of the cooker at any flame temperature and/or flame height and/or flame temperature field condition;

preferably, the operating state of the air curtain device includes: an on/off state of the air curtain device and/or an air curtain flow intensity of the air curtain device.

The invention is further configured to: the environmental states include: ambient temperature and/or ambient humidity and/or ambient oil smoke content;

preferably, the data acquisition method of the state acquisition device is detection acquisition.

The invention is further configured to: the state acquisition device acquires the duration of the change of the working state of the air curtain device and/or the working state of the kitchen range and/or the environmental state around the range hood, and when the duration reaches a corresponding threshold value, corresponding data are sent to the linkage device;

preferably, the time period is not less than 30 s.

The invention is further configured to: and the linkage device judges according to the working state of the air curtain device and the working state of the cooker, and if the corresponding relation between the two exceeds a corresponding threshold value, the working state of the air curtain device is adjusted and/or the judged result and/or the operation suggestion are/is prompted.

The invention is further configured to: the linkage device performs primary judgment according to the working state of the air curtain device and the working state of the cooker; if the result of the first-stage judgment is that the corresponding relation between the two exceeds a corresponding threshold value, further performing second-stage judgment according to the environment state around the range hood and the working state of the air curtain device, and adjusting the working state of the air curtain device according to the result of the second-stage judgment and/or prompting the judgment result and/or prompting an operation suggestion;

preferably, when the secondary judgment is carried out, if the environmental temperature and/or the environmental humidity and/or the environmental oil smoke content of the environmental state exceed the corresponding threshold values, the air curtain device is closed or opened in a delayed manner, or the air curtain device is opened, or the air flow intensity of the air curtain device is reduced, or the judgment result is prompted and/or the operation suggestion is prompted;

preferably, the operating recommendation comprises increasing the power of a fan of the range hood;

preferably, the order of adjustment of the primary angle precedes the order of adjustment of the secondary angle.

The invention is further configured to: the range hood comprises a position acquisition unit for acquiring the position of a user, and the working state of the air curtain device is adjusted according to the data acquired by the position acquisition unit;

preferably, the state acquiring device and/or the linkage device are connected with the position acquiring unit, and the working state of the state acquiring device and/or the linkage device is controlled by the position acquiring unit;

preferably, when the distance between the user and the range hood reaches or does not reach the corresponding position threshold value, the state acquisition unit and/or the linkage device is turned on/off and/or prompts the acquisition result of the position of the user and/or prompts an operation suggestion.

The invention is further configured to: the position threshold is divided into a plurality of ranges according to the range of oil smoke diffusion, and the range hood has different adjustment degrees when a user is in different position threshold ranges;

preferably, the position threshold comprises a first position threshold at which a user is located in a working area close to the range hood, and a second position threshold at which the user is located in a working area far away from the range hood but not exceeding an indoor environment in which the range hood is located;

preferably, when the position acquiring unit acquires that the position of the user does not exceed a first position threshold, the state acquiring device and/or the linkage device are/is started;

preferably, when the position acquiring unit acquires that the position of the user exceeds a second position threshold, the state acquiring device and/or the linkage device are/is closed;

preferably, when the position acquisition unit acquires that the position of the user is between the first position threshold and the second position threshold, the acquisition result of the position of the user and/or the operation suggestion are/is prompted;

preferably, the work area comprises: the range of action of the suction of the range hood.

The invention is further configured to: when the user is within the range of the first position threshold, the degree of increasing adjustment of the air curtain airflow intensity is greater than the degree of increasing adjustment of the user within the range of the first position threshold and the second position threshold; the degree of the decreasing adjustment to the air curtain airflow intensity is less than the degree of the decreasing adjustment to the user within the first and second positional thresholds when the user is within the first positional threshold range.

The invention is further configured to: the range hood comprises a fan device for providing power for absorbing oil smoke; at least part of the power of the air flow required by the air curtain device for forming the air curtain is provided by the fan device;

preferably, the air duct of the air curtain device is communicated with the air duct of the fan device;

preferably, the air curtain device is arranged in a cavity formed by a shell of the air curtain range hood;

preferably, the air curtain device is a structure with a through cavity inside;

preferably, at least part of the air duct of the air curtain device is composed of a smoke collection cavity cover plate and a shell of the air curtain range hood.

The invention further introduces a smoke stove linkage type air curtain range hood,

the invention further introduces a smoke stove linkage type air curtain range hood, which comprises:

an air curtain device for forming an air curtain;

and the linkage device is connected with the air curtain device and the kitchen range positioned in the range of the working area of the range hood, and adjusts the working state of the air curtain device according to the working state of the kitchen range.

The invention is further configured to: and after the linkage device obtains the working state of the cooker and the current working state of the air curtain device, judging whether the corresponding relation between the working state of the cooker and the current working state of the air curtain device is within a corresponding threshold range, and adjusting the working state of the air curtain device according to the judgment result and/or prompting an operation suggestion.

The invention is further configured to: the working state of the cooker is obtained by a control system of the cooker, and the control system of the cooker comprises a switch knob of the cooker.

The invention is further configured to: the working state of the cooker comprises: fire gears of the stove, flame height, flame temperature field conditions, duration of any fire gear of the stove, and rotating angle effective value of a switch knob of the stove;

preferably, the operating state of the air curtain device includes: the on/off state of the air curtain device and/or the air curtain airflow intensity of the air curtain device;

preferably, the work area comprises: the range of action of the suction of the range hood;

the invention is further configured to: the effective value of the rotating angle of the switch knob of the stove is the relative value of the rotating angle of the switch knob of the stove relative to the firepower.

The invention is further configured to: the linkage device acquires the time length of the cooker in an opening state, and when the time length reaches a corresponding threshold value, the air curtain device is controlled to be opened;

preferably, the duration is not less than 10 s;

preferably, the time period is not more than 30 min.

The invention is further configured to: the cooking utensils include the firepower gear of two at least corresponding different firepowers, the air curtain device includes two at least air curtain air current intensity gears, works as the firepower of cooking utensils tends to increase/reduce when, air curtain air current intensity tends to increase/reduce.

The invention is further configured to: the linkage device acquires a current firepower gear of the stove and adjusts the air curtain device to an air curtain airflow intensity gear corresponding to the current firepower gear;

preferably, the degree of adjustment of the air curtain air flow intensity when the firepower of the cooker tends to increase is greater than the degree of adjustment of the air curtain air flow intensity when the firepower of the cooker tends to decrease.

preferably, the air curtain device is a structure with a through cavity inside;

The invention is further configured to: the air curtain device comprises an air inlet part and a guide part which are communicated with each other, and the air inlet part is connected with the fan device so that air flow in the fan device is guided into the air curtain device;

preferably, the air curtain device comprises an air storage part for adjusting the distribution of air inside the air curtain device, an air outlet of the air curtain device is arranged on the air storage part, and the air storage part forms a part of an air channel of the air curtain device;

preferably, the cavity inside the air storage part is annular, and the annular cavity of the air storage part is arranged around the air suction port of the air curtain range hood; the guide part passes through the sealing part/smoke collection cavity cover plate/shell component to be communicated with the cavity inside the wind storage part;

preferably, at least part of the air inlet part is arranged in an air duct of the fan device;

preferably, the air inlet portion and/or the guide portion are mainly of a duct-like structure.

an air curtain device for forming an air curtain;

and the linkage device is connected with the air curtain device and the kitchen range positioned in the range of the working area of the range hood, and adjusts the air curtain angle of the air curtain device according to the working state of the kitchen range.

The invention is further configured to: after the linkage device obtains the working state of the cooker and the current air curtain angle of the air curtain device, judging whether the corresponding relation between the working state of the cooker and the current air curtain angle of the air curtain device is within a corresponding threshold range, and adjusting the air curtain angle of the air curtain device according to the judgment result and/or prompting an operation suggestion;

preferably, the operating conditions of the hob include: fire gears of the stove, flame height, flame temperature field conditions, duration of any fire gear of the stove, and rotating angle effective value of a switch knob of the stove;

preferably, the curtain angle comprises a primary angle of the curtain airflow relative to the vertical and/or a secondary angle of angular coverage of the curtain airflow at the air outlet of the curtain device perpendicular to its direction of movement.

The invention is further configured to: the stove comprises at least two firepower gears corresponding to different firepowers, and when the firepower of the stove tends to increase/decrease, the primary angle tends to enable air curtain airflow to be far away from/close to the stove.

The invention is further configured to: the cookers include at least two fire gears corresponding to different firepowers, and when the firepower of the cookers tends to increase/decrease, the secondary angle tends to decrease/increase the size of the air curtain airflow between the user and the cookers.

The invention is further configured to: the adjustment order of the primary angle is prior to the adjustment order of the secondary angle.

The invention is further configured to: after the adjustment aiming at the primary angle is executed each time, whether the corresponding relation between the air curtain angle after the primary angle adjustment and the working state of the cooker is within the corresponding threshold value range or not is judged, and if the judgment result is negative, the secondary angle is adjusted.

The invention is further configured to: the working state of the cooker is obtained by a control system of the cooker, and the control system of the cooker comprises a switch knob of the cooker;

preferably, the effective value of the turning angle of the switch knob of the cooker is the relative value of the turning angle of the switch knob of the cooker relative to the fire power.

preferably, the duration is not less than 5 s;

preferably, the time period is not more than 30 min.

The invention is further configured to: the linkage device acquires the duration time of the change of the working state of the cooker, and when the duration time reaches a corresponding threshold value, the angle of an air curtain is adjusted;

preferably, the duration is not less than 5 s.

an air curtain device for forming an air curtain;

the state acquisition device is used for acquiring the air curtain angle of the air curtain device, the working state of a kitchen range corresponding to the range hood and the ambient environment state of the range hood and generating corresponding data;

and the linkage device is connected with the air curtain device and the state acquisition device, and adjusts the air curtain angle of the air curtain device according to the data acquired by the state acquisition device.

The invention is further configured to: the state acquisition device acquires the air curtain angle of the air curtain device and/or the working state of the kitchen range and/or the duration of the change of the environmental state around the range hood, and when the duration reaches a corresponding threshold value, corresponding data are sent to the linkage device;

preferably, the time period is not less than 10 s.

The invention is further configured to: after the linkage device obtains the data obtained by the state obtaining device, judging whether the corresponding relation between the data is in a corresponding threshold value range, and adjusting the air curtain angle of the air curtain device according to the judgment result and/or prompting an operation suggestion;

The invention is further configured to: the linkage device judges according to the air curtain angle of the air curtain device and the working state of the cooker, and if the judgment result is that the corresponding relation of the air curtain angle and the working state of the cooker exceeds a corresponding threshold value, the air curtain angle of the air curtain device is adjusted and/or the judgment result and/or the operation suggestion are/is prompted;

preferably, when the corresponding relation between one of the primary angle and the secondary angle and the working state of the cooker exceeds a corresponding threshold value, adjusting the primary angle/the secondary angle of the air curtain device, and/or prompting the judgment result and/or prompting an operation suggestion;

preferably, when the corresponding relation between the primary angle and the secondary angle and the working state of the cooker exceeds a corresponding threshold value, the primary angle/the secondary angle of the air curtain device is adjusted, and/or the judgment result and/or the operation suggestion are/is prompted; after waiting for a preset time, judging again;

preferably, the range hood prompts a user to select a judgment mode in the use process of the range hood when being started.

The invention is further configured to: when the corresponding relation between the air curtain angle and the working state of the kitchen range exceeds a corresponding threshold value, further judging the adjustment amplitude of the air curtain angle and/or prompting the judgment result and/or prompting an operation suggestion according to the ambient environment state of the range hood;

preferably, when the ambient temperature and/or the ambient humidity and/or the ambient oil smoke content of the ambient state exceed the corresponding threshold values, the air curtain device is closed or the air curtain angle of the air curtain device is adjusted in a delayed manner or the air curtain angle of the air curtain device is reduced or the judgment result is prompted and/or the operation suggestion is prompted;

preferably, the operating recommendation includes increasing the power of a fan of the range hood.

The invention is further configured to: when the user is within the range of the first position threshold, the degree of increasing adjustment of the air curtain airflow intensity is greater than the degree of increasing adjustment of the user within the range of the first position threshold and the second position threshold;

preferably, the degree of reduced adjustment to the curtain airflow intensity is less when the user is within the first range of positional thresholds than when the user is within the first and second ranges of positional thresholds.

The invention further introduces an air curtain device for forming an air curtain;

the working area condition acquisition device is used for acquiring the condition of the working area of the range hood and generating corresponding working area condition data;

the checking device is connected with the kitchen range within the working area range, acquires the working state data of the kitchen range, and checks the working state data of the kitchen range according to the working area condition data to generate corresponding checking data;

and the linkage device is connected with the air curtain device and the checking device and adjusts the working state of the air curtain device through the checking data.

The invention is further configured to: the conditions of the workspace include: the temperature of the working area, the humidity of the working area, the oil smoke concentration of the working area, the temperature field distribution of the working area, and the airflow direction and/or intensity of the working area;

preferably, the working area condition acquisition device and/or the calibration device and/or the linkage device work in real time after the range hood is started, and the working state of the air curtain device is adjusted in real time;

preferably, the working area condition obtaining device and/or the verifying device and/or the linkage device periodically work after the range hood is started, and the working state of the air curtain device is periodically adjusted.

The invention is further configured to: after the linkage device obtains the verification data and the current working state of the air curtain device, judging whether the corresponding relation between the verification data and the current working state of the air curtain device is within a corresponding threshold range, and adjusting the working state of the air curtain device according to the judgment result and/or prompting an operation suggestion;

preferably, the working state of the cooker is obtained by a control system of the cooker, wherein the control system of the cooker comprises a switch knob of the cooker;

The invention is further configured to: the working area condition acquisition device judges the effectiveness of the working area condition data before sending the working area condition data to the verification device;

preferably, the working area condition obtaining device judges the validity of the working area condition data obtained by the working area condition obtaining device at the current stage, and when the working area condition data is valid data, the data is sent to the verifying device; and when the working area condition data is invalid data, sending the working area condition data of the previous stage to the checking device.

The invention is further configured to: the working area condition acquisition device takes the stability of the working area condition data as one of the standards for judging whether the working area condition data is effective or not;

preferably, when the fluctuation condition of the working area condition data of the current stage is within the corresponding stability threshold range, the working area condition data is judged to be valid data, and otherwise, the working area condition data is judged to be invalid data.

The invention is further configured to: the fluctuation condition comprises the deviation degree of the working area condition data relative to the historical data;

preferably, when the fluctuation situation exceeds the corresponding threshold value of the deviation degree of the historical data, the data is judged to be invalid.

The invention is further configured to: the fluctuation condition comprises the accumulated time of the working area condition data exceeding the standard value;

preferably, the range of the standard value of the working area condition data is 60% -90% of the average value/maximum value of the working area condition data.

The invention is further configured to: the working area condition acquisition device acquires the duration of the change of the working area condition data and judges whether the data is sent to the verification device according to the duration;

preferably, when the duration reaches a corresponding threshold, sending corresponding data to the checking device;

preferably, the time period is not less than 5 s.

preferably, the working area condition acquisition device and/or the verification device and/or the linkage device are connected with the position acquisition unit, and the working state of the working area condition acquisition device and/or the verification device and/or the linkage device is controlled by the position acquisition unit;

preferably, when the position acquiring unit acquires that the distance between the user and the range hood reaches or does not reach the corresponding position threshold, the state acquiring device and/or the verifying device and/or the linkage device is turned on/off and/or an acquiring result of the position of the user is prompted and/or an operation suggestion is prompted.

preferably, when the position acquiring unit acquires that the position of the user does not exceed a first position threshold, the state acquiring device and/or the verifying device and/or the linkage device are/is started;

preferably, when the position acquiring unit acquires that the position of the user exceeds a second position threshold, the state acquiring device and/or the verifying device and/or the linkage device are/is closed;

preferably, the degree of incremental adjustment to the air curtain airflow intensity is greater when the user is within the first position threshold range than when the user is within the first and second position thresholds;

an air curtain device for forming an air curtain;

the correcting device generates a corresponding correction value according to the condition of the working area of the range hood;

and the linkage device is connected with the air curtain device and the kitchen range positioned in the range of the working area of the range hood, and adjusts the working state of the air curtain device according to the correction value and the working state of the kitchen range.

The invention is further configured to: the correcting device generates the correcting value when the range hood is started every time and sends the correcting value to the linkage device.

The invention is further configured to: the correcting device is connected with a control system of the kitchen range within the range of the working area of the range hood, so that the working state of the kitchen range is obtained, the correcting value is generated when the kitchen range is adjusted by a user each time, and the correcting value is sent to the linkage device.

The invention is further configured to: the correction device periodically generates the correction value and sends the correction value to the linkage device.

preferably, the linkage device adjusts the working state of the air curtain device in real time/periodically/each time the user adjusts the cooker.

The invention is further configured to: the working state of the air curtain device comprises: the on/off state of the air curtain device and/or the air curtain airflow intensity of the air curtain device;

The invention is further configured to: the linkage device calculates according to the correction value and the working state of the cooker to obtain the actual value of the working state data of the cooker, and adjusts the working state of the air curtain device and/or prompts the judgment result and/or prompts an operation suggestion according to the actual value;

preferably, the linkage device judges whether the correspondence between the actual value of the operating state data of the cooker and the current operating state of the air curtain device is within the corresponding correspondence threshold range, and adjusts the operating state of the air curtain device according to the judgment result.

an air curtain device for forming an air curtain;

the gas condition acquisition device is used for acquiring the gas condition of the working area of the range hood and generating corresponding data of the gas condition of the working area;

and the linkage device is connected with the air curtain device and the kitchen range positioned in the range of the working area of the range hood, and adjusts the working state of the air curtain device and/or prompts the judgment result and/or prompts an operation suggestion according to the data of the gas condition of the working area and the working state of the kitchen range.

The invention is further configured to: the linkage device respectively compares the data of the gas condition of the working area, the working state of the cooker and the current working state of the air curtain device, and adjusts the working state of the air curtain device according to the comparison result;

preferably, the order of the judgments made from the data of the working zone gas conditions is prior to the order of the judgments made from the operating state of the cooktop.

The invention is further configured to: the linkage device judges whether the working state of the air curtain device is adjusted according to the data of the working area gas state and the current working state of the air curtain device; adjusting the working state of the air curtain device according to the judgment result of the gas condition and/or prompting the judgment result and/or prompting an operation suggestion;

preferably, when the result of the gas condition judgment is yes, corresponding adjustment is performed.

The invention is further configured to: if the gas condition judgment result is negative, judging the state of the cooker according to the working state of the cooker and the current working state of the air curtain device; adjusting the working state of the air curtain device according to the judgment result of the cooker state and/or prompting the judgment result and/or prompting an operation suggestion;

preferably, when the cooking range state judgment result is yes, corresponding adjustment is carried out.

The invention is further configured to: when the gas condition judgment result is yes, verifying the judgment result;

preferably, the method for verifying comprises: performing gas condition judgment again after a preset time interval, and if the judgment results of the adjacent N times are yes, performing corresponding adjustment;

preferably, N.gtoreq.2.

The invention is further configured to: the gas conditions comprise the composition and/or content of the gas and are respectively considered aiming at different gas conditions;

preferably, the operating state of the air curtain device includes: an on/off state of the air curtain device and/or an air curtain airflow intensity of the air curtain device.

The invention is further configured to: the range hood comprises a position acquisition unit for acquiring the position of a user, and the position acquisition unit controls the working state of components of the range hood;

preferably, the gas condition acquisition device and/or the linkage device are/is connected with the position acquisition unit, and the working state of the gas condition acquisition device and/or the linkage device is controlled by the position acquisition unit;

preferably, when the distance between the user and the range hood reaches or does not reach the corresponding position threshold value, the position acquisition unit acquires that the gas condition acquisition device and/or the linkage device are/is turned on/off and/or prompts the acquisition result of the position of the user and/or prompts an operation suggestion.

an air curtain device for forming an air curtain;

and the linkage device is connected with the air curtain device and the kitchen range positioned in the range of the working area of the range hood, and adjusts the working state of the air curtain device and/or prompts the judgment result and/or prompts the operation suggestion according to the data of the gas condition in the range of the working area and the working state of the kitchen range.

The invention is further configured to: the data of the working zone gas conditions comprises a concentration of a target gas;

preferably, the data of the gas condition of the working area are divided into a plurality of data according to different target gases;

preferably, the data of the gas condition of the working area comprises oil smoke condition data and/or moisture condition data and/or smoke condition data;

preferably, the data of the gas condition of the working area is obtained by a gas condition obtaining device, and the gas condition obtaining device comprises an oil smoke obtaining module for obtaining the oil smoke condition data and/or a moisture obtaining module for obtaining the moisture condition data and/or a smoke obtaining module for obtaining the smoke condition data.

preferably, the order of the judgments made according to the operating state of the hob precedes the order of the judgments made according to the data of the working zone gas conditions.

The invention is further configured to: the linkage device judges whether the working state of the air curtain device is adjusted according to the working state of the cooker and the current working state of the air curtain device; adjusting the working state of the air curtain device according to the judgment result of the cooker state and/or prompting the judgment result and/or prompting an operation suggestion;

preferably, when the result of the cooking utensil state judgment is negative, the corresponding adjustment is not performed.

The invention is further configured to: when the stove state judgment result is yes, judging whether the working state of the air curtain device is adjusted according to the data of the working area gas state and the current working state of the air curtain device; adjusting the working state of the air curtain device according to the judgment result of the gas condition and/or prompting the judgment result and/or prompting an operation suggestion;

preferably, if the result of the gas condition judgment is yes, corresponding adjustment is carried out;

preferably, if the result of the gas condition judgment is no, no corresponding adjustment is performed.

The invention is further configured to: the gas condition judgment comprises oil smoke condition judgment and/or moisture condition judgment and/or smoke condition judgment;

preferably, only when the result of the oil smoke condition judgment and/or the smoke condition judgment is yes, corresponding adjustment is carried out;

preferably, the moisture threshold value judged by the moisture condition is greater than the lampblack threshold value judged by the lampblack condition and/or the lampblack threshold value judged by the smoke condition.

preferably, N.gtoreq.2.

The invention is further configured to: and the state judgment of the cooker is implemented when the working state of the cooker changes relative to the last moment.

The invention is further configured to: when the working state of the cooker changes, the linkage device verifies whether the change is effective; implementing the range state determination only for valid changes;

preferably, the method for verifying comprises: recording the duration time of the change, and if the time reaches a corresponding duration time threshold value, determining that the change is effective;

preferably, the duration threshold is ≧ 5 s.

The invention is further configured to: the gas condition comprises the composition and/or content of the gas;

an air curtain device for forming an air curtain;

the flame state acquisition device is used for acquiring the flame state of the kitchen range positioned in the range of the working area of the range hood, generating corresponding flame data and recording the flame data;

and the linkage device is connected with the air curtain device and the cooker, and adjusts the working state of the air curtain device and/or prompts the judgment result and/or prompts an operation suggestion according to the flame data and the working state of the cooker.

The invention is further configured to: the flame state acquisition device acquires the flame state of the cooker every time the working state of the cooker changes, and generates historical flame data for evaluating other data generated thereafter.

The invention is further configured to: when the historical flame data is generated, the flame state acquisition device judges whether the current flame state can generate the historical flame data or not according to the fluctuation and the holding time of the flame state;

preferably, when historical flame data are generated, the flame state acquisition device records the fluctuation and the holding time of the flame state, and when the duration of the fluctuation of the flame state in the range of the flame fluctuation threshold exceeds a corresponding set value, the fluctuation of the flame state is recorded as the historical flame data;

preferably, the adjustment of the operating condition of the air curtain device is delayed until the generation of the historical flame data is completed.

The invention is further configured to: and the linkage device judges whether the working state of the current air curtain device needs to be adjusted according to the working state of the cooker, and when the judgment result of the air curtain state is yes, the linkage device adjusts the working state of the air curtain device and/or prompts the judgment result and/or prompts an operation suggestion.

The invention is further configured to: when the air curtain state judgment result is yes, the linkage device predicts whether the adjustment of the working state of the air curtain device can affect the flame state according to 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 according to the prediction result;

preferably, the prediction is performed according to corresponding historical flame data recorded by the range hood and corresponding historical adjustment results.

The invention is further configured to: after the working state of the air curtain device is adjusted, the linkage device judges whether the adjustment is effective or not according to the current flame data;

preferably, when said current flame data indicates that the degree of irregularity/fluctuation of the flame condition distribution exceeds a corresponding threshold, then said adjustment is invalid;

preferably, when the adjustment is invalid, the degree of adjustment of the operating state of the air curtain device is reduced/increased.

The invention is further configured to: after the working state of the air curtain device is adjusted, the linkage device judges whether the adjustment is effective or not according to the current flame data and the current working state of the cooker;

preferably, when the flame data is not matched with the current working state of the cooker, the adjustment is invalid;

The invention is further configured to: the operating state of the cooker is obtained by a control system of the cooker, and the control system of the cooker comprises: a switch knob of the stove;

preferably, the operating conditions of the hob include: the fire gear of the stove, the duration of any fire gear of the stove and the rotating angle effective value of a switch knob of the stove;

preferably, the effective value of the rotation angle of the switch knob of the stove is the relative value of the rotation angle of the switch knob of the stove relative to the firepower;

preferably, the flame condition includes: flame height, flame temperature field condition, stability of flame temperature field;

preferably, the operating state of the air curtain device includes: the on and 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.

The invention is further configured to: when the adjustment is invalid, if the working state of the cooker changes into the change of output increase, the air curtain device is opened, and/or the air curtain airflow strength is increased, and/or the air curtain angle tends to be far away from the cooker; if the working state of the cooker is changed into the change with reduced output, the air curtain device is closed, and/or the air curtain airflow strength is reduced, and/or the air curtain angle tends to be close to the cooker.

The invention is further configured to: the air curtain angle comprises a primary angle of air curtain airflow relative to the vertical direction and/or a secondary angle of an angle coverage range of the air curtain airflow at the air outlet of the air curtain device perpendicular to the movement direction of the air curtain airflow;

preferably, the adjustment of the primary angle precedes the adjustment of the secondary angle;

preferably, after the primary angle is adjusted, the linkage device judges the air curtain angle and the working state of the cooker, and if the judgment result is that the air curtain angle and the working state of the cooker are within the corresponding threshold range of the corresponding relationship, the secondary angle adjustment is not performed any more.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

1. The smoke stove linkage type air curtain range hood introduced by the invention is additionally provided with the linkage device, and the working state of the air curtain device is controlled through the linkage device, so that the automation of air curtain control is realized, and the operation burden of a user on the air curtain control is reduced. In addition, the smoke stove linkage type air curtain range hood is additionally provided with the state acquisition device, so that various data are acquired through actual data acquired through actual conditions of the operating environment of the range hood by an independent detection component or a detection component associated with other equipment instead of a control system of the equipment, the authenticity and the accuracy of the data can be improved, and the validity and the reasonability of control and operation based on the data are further ensured.

2. According to the smoke stove linkage type air curtain range hood introduced by the invention, the data objects acquired by the state acquisition device are multiple, the acquisition of the working state of the stove can fully indicate the condition of an oil smoke source, and the acquisition of the current working state of the air curtain can fully consider the current operation condition of the air curtain device when evaluating whether the air curtain device needs to be adjusted.

3. According to the smoke-range linkage type air curtain range hood, the data acquisition of the environmental state around the range hood is increased, the data are brought into the investigation range, on one hand, the historical working effect of the range hood is fully analyzed in the actual use process, and if the historical effect is not ideal, the working state of the corresponding component is adjusted; if the historical effect is ideal, the corresponding adjustment can be carried out in a proper range.

4. According to the smoke stove linkage type air curtain range hood introduced by the invention, the kitchen range corresponding to the range hood is used as one of the bases of the linkage device for controlling the working state of the air curtain device, so that the control of the air curtain device is based on the actual cooking condition, the rationality of control and/or adjustment is increased, the working state adjustment of the air curtain device is more targeted, and excessive energy consumption and/or noise cannot be generated.

5. The smoke stove linkage type air curtain range hood introduced by the invention respectively limits the working states of the kitchen range and the air curtain device, so that the working state of the air curtain device can be adjusted according to the influence of the kitchen range or the kitchen range on the environment. And, the adjustment of cooking utensils to the operating condition of air curtain device not only contains the air curtain air current state of air curtain device, still includes the on off state of air curtain device, has realized that the air curtain device opens according to operational environment is automatic.

6. According to the smoke stove linkage type air curtain range hood introduced by the invention, the control mode of the opening time of the stove is increased by controlling the air curtain device, and under certain conditions, the stove is in a low-firepower state for a long time, the using condition of the stove is not enough to open the air curtain device, but the hidden troubles of oil smoke pollution and oil smoke diffusion can still exist after the stove is used for a long time. The air curtain range hood takes the accumulated time of the cooker in a low-firepower gear as an investigation factor, and can effectively prevent the influence of the accumulation of a small amount of oil smoke for a long time on a user. Or, in some cases, the control of the cooking appliance by the user is only a short ignition or a fire power test, which further causes a fire power fluctuation, and in such cases, if the working state of the air curtain device is adjusted, the control load of the system is increased. The invention adds time limit on the adjusting time, which can effectively avoid the above situation.

7. According to the smoke-range linkage type air curtain range hood introduced by the invention, whether the working state of the air curtain device is reasonable or not is directly judged according to the working state of a kitchen range, and whether the judged result is suitable for the current working environment of the range hood or not is further considered after the judgment, so that the environmental state around the range hood is brought into an investigation range, and the working environment of the range hood can be improved from multiple aspects by adjusting the air curtain device. If the environmental temperature and/or the environmental humidity and/or the environmental oil smoke content of the environmental state exceed the corresponding threshold values, it is indicated that the cooking operation has affected the environment where the user is located, at this time, if the air curtain device is opened, the user still can be in oil smoke pollution, the air curtain should be opened in a delayed manner, or the intensity of the air flow of the air curtain is reduced, or the air curtain should be opened in a delayed manner, so that the range hood can sufficiently pump away the dirty substances in the environment where the user is located.

8. According to the smoke stove linkage type air curtain range hood introduced by the invention, the position acquisition unit is additionally arranged. The extractor hood takes into account whether or not all self-adjustments can be made to the user before making them. The adjustment is ineffective if it does not provide a benefit to the user. When the user is within the range of the first position threshold, indicating that the user is susceptible to smoke, the degree of control over the air curtain apparatus should be enhanced.

9. The air curtain extractor hood introduced by the invention improves the air flow source of the air curtain device, so that at least one part of the air discharged by the extractor hood is guided into the air curtain device to become the air flow source of the air curtain. The gas entering the air curtain device has kinetic energy instead of relying on the kinetic energy provided by the air curtain device, so that the energy required for forming air curtain airflow is obviously reduced, and the energy conservation and environmental protection are facilitated. Because the air source of the air curtain airflow is the air around the cooker, the part of air is closer to the temperature around the cooker even if the part of air is transmitted through a longer path, and even if the air curtain with the temperature is directly contacted with a human body, a user can not feel discomfort caused by the temperature difference. Moreover, the temperature can obviously reduce the influence of the air curtain airflow on the food being cooked, and the food is prevented from being cooled.

10. According to the air curtain range hood introduced by the invention, the air curtain device is arranged in the range hood, so that the air curtain device can be effectively hidden, and the influence on the appearance of the range hood is avoided. In addition, the design can shorten the distance between the air curtain device and the fan device, ensure that the airflow power generated by the fan device can efficiently send the airflow into the air curtain device and is discharged from the air outlet of the air curtain device, and realize the function of the air curtain before the flowing performance of the airflow is obviously reduced.

11. According to the air curtain range hood introduced by the invention, the direction of the air inlet of the air curtain device is designed, so that the gas exhausted by the fan device can be more efficiently pushed into the air curtain device, and the phenomenon that the air curtain device stops the gas flow to cause the loss of the flowing performance of the gas flow is avoided.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a left-view structural sectional view of an air curtain range hood in one embodiment of the invention;

fig. 2 is a schematic view of a bottom-view direction structure of an air curtain range hood in an embodiment of the invention.

In the figure: 10. air curtain range hood; 1. a housing; 11. a housing member; 21. an air inlet of the air curtain device; 23. an air outlet of the air curtain device; 24. an air inlet part; 25. a transition section; 26. a guide section; 27. an air storage section; 31. a fan; 32. an air duct of the fan device; 33. an air outlet of the fan device; 4. a smoke collection cavity cover plate; 5. a closure; 6. and an impurity removal unit.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, 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 with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention introduces a smoke stove linkage type air curtain range hood, which comprises:

an air curtain device for forming an air curtain;

the state acquisition device is used for acquiring the working state of the air curtain device, the working state of a kitchen range corresponding to the range hood and the environmental state around the range hood;

and the linkage device is connected with the air curtain device and the state acquisition device and adjusts the working state of the air curtain device according to the data acquired by the state acquisition device. The smoke stove linkage type air curtain range hood introduced by the invention is additionally provided with the linkage device, and the working state of the air curtain device is controlled through the linkage device, so that the automation of air curtain control is realized, and the operation burden of a user on the air curtain control is reduced. In addition, the smoke stove linkage type air curtain range hood is additionally provided with the state acquisition device, so that various data are acquired through actual data acquired through actual conditions of the operating environment of the range hood by an independent detection component or a detection component associated with other equipment instead of a control system of the equipment, the authenticity and the accuracy of the data can be improved, and the validity and the reasonability of control and operation based on the data are further ensured.

Example one

The linkage device of this embodiment judges whether the correspondence between each data is within the corresponding threshold range after acquiring the data acquired by the state acquisition device, and adjusts the working state of the air curtain device and/or prompts the result of the judgment and/or prompts an operation suggestion according to the result of the judgment. And after acquiring the kitchen range, the surrounding environment state and the current working state of the air curtain device, the linkage device judges whether the corresponding relation of the kitchen range, the surrounding environment state and the current working state of the air curtain device is within a reasonable threshold range, if so, the working state of the air curtain device is not adjusted, and if not, the working state of the air curtain device is adjusted according to the judgment result and/or the prompt operation suggestion are/is prompted. The judgment of whether the adjustment is necessary is added before the self-adjustment, so that the invalid adjustment of the range hood can be avoided, the too frequent adjustment can be avoided, and the situation of the invalid adjustment can be reduced.

Example two

The smoke stove linkage type air curtain range hood described in the embodiment is different from the above embodiments in that: the working state of the cooker comprises: flame temperature of the cooker, flame height, flame temperature field condition, duration of time the cooker lasts at any flame temperature and/or flame height and/or flame temperature field condition. The working state of the air curtain device comprises: an on/off state of the air curtain device and/or an air curtain flow intensity of the air curtain device. The working states of the cooker and the air curtain device are respectively limited, so that the working state of the air curtain device can be adjusted according to the influence of the cooker or the cooker on the environment. And, the adjustment of cooking utensils to the operating condition of air curtain device not only contains the air curtain air current state of air curtain device, still includes the on off state of air curtain device, has realized that the air curtain device opens according to operational environment is automatic.

EXAMPLE III

The smoke stove linkage type air curtain range hood described in the embodiment is different from the above embodiments in that: the environmental states include: ambient temperature and/or ambient humidity and/or ambient oil smoke content. Through the smoke stove linkage type air curtain range hood introduced by the embodiment, the data objects acquired by the state acquisition device are enriched, the condition of an oil smoke source can be fully indicated by acquiring the working state of a stove, and the current operating condition of the air curtain device can be fully considered when whether the current working state of the air curtain is necessary to be adjusted or not is evaluated. The data acquisition of the environmental state around the range hood is increased, the data are brought into the investigation range, on one hand, the full analysis of the historical working effect of the range hood during actual use is considered, and if the historical effect is not ideal, the working state of the corresponding component is adjusted; if the historical effect is ideal, the corresponding adjustment can be carried out in a proper range.

Example four

The smoke stove linkage type air curtain range hood described in the embodiment is different from the above embodiments in that: the state acquisition device acquires the duration of the change of the working state of the air curtain device and/or the working state of the kitchen range and/or the surrounding environmental state of the range hood, and when the duration reaches a corresponding threshold value, corresponding data are sent to the linkage device. In some cases, the control of the cooking range by the user is only a short ignition or a fire test, which further causes a fire fluctuation, and in such a case, if the working state of the air curtain device is adjusted, the control burden of the system is increased. The invention adds time limit on the adjusting time, which can effectively avoid the above situation. Or, in some cases, the change of the working state of the cooker is very slight, and the generated oil smoke and the temperature change are not obvious in a short time. There may be no significant beneficial effect if such changes are adjusted in time. The technical scheme in this embodiment has increased the processing mode of time delay, and the influence that brings when the adjustment of cooking utensils accumulates to a certain extent, is making the adjustment to the air curtain when can influencing the user, can effectual reduction system burden and consumption. Preferably, the time period is not less than 30 s.

EXAMPLE five

The smoke stove linkage type air curtain range hood described in the embodiment is different from the above embodiments in that: and the linkage device judges according to the working state of the air curtain device and the working state of the cooker, and if the corresponding relation between the two exceeds a corresponding threshold value, the working state of the air curtain device is adjusted and/or the judged result and/or the operation suggestion are/is prompted. Through the smoke and range coordinated type air curtain range hood that this embodiment introduced, design the mode that the air curtain device adjusted for the firepower of cooking utensils, when the firepower of cooking utensils increased, then the air curtain air current intensity of air curtain device increased thereupon. The fire power increase of the kitchen range is realized under the control of a user, and the possibility of generating serious oil smoke is high due to severe heating.

EXAMPLE six

The smoke stove linkage type air curtain range hood described in the embodiment is different from the above embodiments in that: the linkage device performs primary judgment according to the working state of the air curtain device and the working state of the cooker; and if the result of the first-stage judgment is that the corresponding relation between the two exceeds a corresponding threshold value, further performing second-stage judgment according to the ambient environment state of the range hood, and adjusting the working state of the air curtain device according to the result of the second-stage judgment and/or prompting the judgment result and/or prompting an operation suggestion. Whether the working state of the air curtain device is reasonably and directly judged through the working state of the cooker, whether the judged result is suitable for the current working environment of the range hood is further considered after the judgment, the environmental state around the range hood is brought into the investigation range, and the working environment of the range hood can be improved by adjusting the air curtain device in multiple aspects. If the environmental temperature and/or the environmental humidity and/or the environmental oil smoke content of the environmental state exceed the corresponding threshold values, it is indicated that the cooking operation has affected the environment where the user is located, at this time, if the air curtain device is opened, the user still can be in oil smoke pollution, the air curtain should be opened in a delayed manner, or the intensity of the air flow of the air curtain is reduced, or the air curtain should be opened in a delayed manner, so that the range hood can sufficiently pump away the dirty substances in the environment where the user is located.

Preferably, when the second-level judgment is performed, if the ambient temperature and/or the ambient humidity and/or the ambient oil smoke content of the ambient state exceed the corresponding threshold values, the air curtain device is closed or opened in a delayed manner, or the air curtain device is opened in a delayed manner, or the air flow intensity of the air curtain device is reduced, or the judgment result and/or the operation suggestion are/is prompted.

EXAMPLE seven

The smoke stove linkage type air curtain range hood described in the embodiment is different from the above embodiments in that: the range hood comprises a position acquisition unit for acquiring the position of a user, and the state acquisition device and/or the linkage device are/is connected with the position acquisition unit and control the working state of the state acquisition device and/or the linkage device. A position acquisition unit is added. The extractor hood takes into account whether or not all self-adjustments can be made to the user before making them. The adjustment is ineffective if it does not provide a benefit to the user. When the user is within the range of the first position threshold, indicating that the user is susceptible to smoke, the degree of control over the air curtain apparatus should be enhanced.

Preferably, when the distance between the user and the air curtain range hood reaches or does not reach the corresponding threshold value, the state acquisition unit and/or the linkage device are/is turned on/off, and/or the acquisition result of the position of the user is prompted and/or an operation suggestion is prompted.

Example eight

As shown in fig. 1, the difference between the air curtain range hood of the present embodiment and the above embodiments is: at least part of the power of the air flow required by the air curtain device for forming the air curtain is provided by the fan device, the air curtain device is arranged in a cavity formed by the shell 1 of the air curtain range hood, and the air curtain device is of a structure with a through cavity inside. Through the air curtain range hood introduced by the embodiment, the air flow source of the air curtain device is improved, so that at least one part of the gas discharged by the range hood is guided into the air curtain device to become the air flow source of the air curtain. The gas entering the air curtain device has kinetic energy instead of relying on the kinetic energy provided by the air curtain device, so that the energy required for forming air curtain airflow is obviously reduced, and the energy conservation and environmental protection are facilitated. Further, the air curtain range hood that this embodiment introduced sets up the air curtain device in range hood's inside, can hide the air curtain device effectively, avoids causing the influence to range hood's outward appearance. In addition, the design can shorten the distance between the air curtain device and the fan device, ensure that the airflow power generated by the fan device can efficiently send the airflow into the air curtain device and is discharged from the air outlet of the air curtain device, and realize the function of the air curtain before the flowing performance of the airflow is obviously reduced.

Further, in the air curtain range hood introduced in this embodiment, the air inlet 21 of the air curtain device is communicated with the air duct 32 of the fan device, and the air inlet 21 of the air curtain device is arranged facing the airflow direction in the air duct 32 of the fan device; preferably, the angle between the direction of the air inlet 21 of the air curtain device and the air flow direction in the air duct 32 of the fan device is 90-180 °. Through the air curtain range hood that this embodiment introduced, the orientation to the air intake of air curtain device has been designed for fan device combustion gas can push the air curtain device more in the efficient, avoids blocking that air curtain device self structure led to the fact the air current and makes the air current lose the flow property.

Example nine

As shown in fig. 1, the difference between the air curtain range hood of the present embodiment and the above embodiments is: the air inlet 21 of the air curtain device is connected with the position adjacent to the air outlet 33 of the fan device. Because the position air current kinetic energy of fan unit air outlet 33 is the biggest, the air current performance of this position is also the most stable to, under the inside purifier that is provided with of range hood, the air current of this position is the gas that has been fully purified, and the oil smoke that contains in it is very limited, more is fit for as wind curtain air current.

Further, the air curtain device described in the present embodiment includes an air inlet portion 24 and a guide portion 26 communicating with each other, and the air inlet portion 24 is connected to the fan device so that the air flow in the fan device is guided into the air curtain device. At least a portion of the air inlet portion 24 is disposed within the air duct 32 of the fan device. Preferably, the air intake 24 and/or the guide 26 are primarily ducted structures.

Further, in the curtain range hood described in this embodiment, the air inlet portion 24 and the guide portion 26 are connected by the transition portion 25, the axis of the air inlet portion 24 and/or the axis of the guide portion 26 mainly extend along a straight direction, and the transition portion 25 has a certain bending angle, so as to change the airflow direction in the air curtain device. Preferably, the included angle between the extending direction of the guiding portion 26 along the inner airflow direction thereof and the air outlet direction of the air curtain device is 90-180 °. Preferably, the transition 25 is tubular; the air inlet portion 24, the transition portion 25 and the guide portion 26 are integrally formed.

The air curtain range hood introduced by the embodiment designs the structure of the air curtain device, and the structural design of the multiple sections ensures that each section can be matched with other sections while playing the functions. The main functions of the air inlet part are as follows: partial air flow in the fan device is effectively separated, the extending direction of the partial air flow is arranged along the air flow direction in the fan device, the separated air flow can enter the air curtain device under the condition of not changing the flowing direction, and the resistance of the air flow entering the air curtain device is greatly reduced. The design of the guide part and the transition part can effectively change the airflow flowing direction, and the guide part is preferably a tubular structure extending in a straight line direction, so that the airflow resistance in the guide part can be reduced.

Example ten

As shown in fig. 1, the difference between the air curtain range hood of the present embodiment and the above embodiments is: the air curtain device comprises an air storage part 27 for adjusting the distribution of air inside the air curtain device, an air outlet 23 of the air curtain device is arranged on the air storage part 27, and the air storage part 27 forms a part of an air channel of the air curtain device.

Further, in the curtain type range hood described in this embodiment, the cavity inside the air storage portion 27 is annular, and the annular cavity of the air storage portion 27 is disposed around the air suction opening (the lower middle portion of the structure shown in fig. 1) of the air curtain type range hood.

Through the air curtain range hood introduced by the embodiment, the design of the air storage part is added, so that the airflow led out from the fan device is led into the air storage part, and the airflow direction is redistributed, so that the airflow is discharged from the air curtain device from a proper position. The air storage part is of an annular structural design, the air suction opening of the range hood is arranged at an annular central position, the air outlets of the air curtain device can be arranged at a plurality of positions around the air suction opening, the flexible arrangement of the air outlet position of the air curtain device is facilitated, and even if the position is narrow and small and the structure is complex, the air outlet of the air curtain device can be arranged.

Further, in the curtain range hood described in this embodiment, the cavity inside the air storage portion 27 includes a smoke collection cavity cover plate 4 enclosing a smoke collection cavity, a shell member 11 connected to the smoke collection cavity cover plate 4 at the periphery of the smoke collection cavity cover plate 4, and a sealing member 5 arranged opposite to the smoke collection cavity cover plate 4 and connected to the shell member 11. The number of housing members 11 and/or smoke collection chamber cover plates 4 and/or closures 5 is at least one. Preferably, the guide 26 communicates with the cavity inside the reservoir 27 through the closure 5/smoke collection chamber cover plate 4/housing member 11. The air storage part 27 is designed to be formed by the equipment smoke collection cavity cover plate 4 and a part of the shell at intervals, so that the space of the equipment is effectively utilized, more functions are given to equipment parts, and the arrangement of an air curtain device is prevented from increasing the structural burden of the equipment.

Further, in the curtain range hood described in this embodiment, the air outlet direction of the air outlet 23 of the air curtain device is adjustable. The air outlet 23 of the air curtain device is provided with an air deflector (not shown in the figure), and the extension direction of the air deflector is adjustable. Preferably, the number of the air outlets 23 of the air curtain devices is multiple, and the air outlets 23 of the multiple air curtain devices are arranged around the smoke collecting cavity of the air curtain range hood.

EXAMPLE eleven

As shown in fig. 1, the difference between the air curtain range hood of the present embodiment and the above embodiments is: the air curtain device comprises an impurity removal unit 6 for purifying the air in the air channel inside the air curtain device. Preferably, the trash removal unit 6 is connected to the guide portion 26. The design of the impurity removal unit is added, so that the cleanliness of air curtain airflow can be further ensured.

Further, in the curtain type range hood described in this embodiment, the impurity removing unit 6 is connected to a side of the guide portion 26 close to the air storage portion 27. The air inlet that keeps away from the air curtain device of edulcoration unit certain degree is made, and the setting of avoiding the edulcoration unit causes the hindrance to the air current entering air curtain device.

Further, the curtain range hood that this embodiment introduced, its edulcoration unit includes the edulcoration unit switch (not shown in the figure) that is used for controlling edulcoration unit operating condition, and edulcoration unit switch control edulcoration unit is whether insert in the wind channel of air curtain device. When the switch of the impurity removal unit is triggered to be in an opening state, the impurity removal unit is connected into the air duct of the air curtain device, and the impurity removal function is achieved. When the switch of the impurity removal unit is triggered to be in a closed state, the impurity removal unit is connected out of the air duct of the air curtain device. The impurity removal unit is connected with the air outlet duct, so that the airflow resistance in the air curtain device can be reduced, and the airflow fluidity of the air curtain device is increased.

Further, in the curtain range hood described in this embodiment, the switch of the impurity removal unit controls the degree of the impurity removal unit accessing the air duct of the air curtain device. The edulcoration unit in this embodiment includes multilayer structure, and each layer all can realize certain edulcoration function. Preferably, the structure of the multilayer impurity removing units is the same, and the number of layers of the impurity removing units connected into the air curtain device air channel can be controlled by the switch of the impurity removing units. When the multi-layer impurity removal unit is connected into the air channel, the impurity removal function is achieved together, and the impurity removal effect is guaranteed. When the number of layers of the impurity removal unit connected into the air channel is small, the minimum flowing loss of the air flow can be ensured. Wherein the impurity removing unit can be a device with a filtering function.

Further, in the curtain range hood described in this embodiment, the impurity removing unit may be a deflectable sheet structure disposed in the air duct of the air curtain device. When the impurity removal function is realized, the lamellar structure is turned to form a certain angle (preferably vertical) with the airflow direction; when the impurity removal function is not required, the lamellar structure is turned to be parallel to the airflow direction.

Example twelve

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: the air curtain device comprises a switch part for controlling the on-off of an air channel inside the air curtain device. The switch part for controlling the on-off of the air duct is added, so that a user can select the presence or absence of the air curtain.

Further, the curtain range hood introduced in this embodiment has the switch portion disposed on the guide portion. Preferably, the switching part performs on/off control by a pressure difference between both ends thereof. The switch part of the air curtain device is designed as a pressure control switch, and when the air pressure in the fan device reaches a certain degree, the equipment automatically opens the air curtain device. The air pressure in the fan device is improved, so that the suction force of the range hood is increased, the fan is adjusted to a higher gear, the oil smoke overflow risk is increased, the air curtain is matched at the moment, and the air curtain device is automatically opened. When the wind pressure in the fan device is reduced to a certain value, the switch part is closed.

EXAMPLE thirteen

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: at least one part of the switch part of the air curtain device is arranged at the outer side of the air curtain range hood, and a user can perform trigger operation on the switch part so as to realize the air curtain function of closing/opening the air curtain device.

Further, the air curtain range hood in the embodiment includes a position obtaining unit for obtaining the position of the user. The gas condition acquisition device comprises an atmosphere acquisition switch unit for controlling whether the gas condition acquisition device is turned on or not.

Further, in the air curtain range hood in this embodiment, the position acquisition unit is connected to the atmosphere acquisition switch unit and controls the operating state of the gas condition acquisition device. When the position obtaining unit obtains that the first distance between the user and the air curtain range hood reaches/does not reach the corresponding threshold value, the atmosphere obtaining switch unit controls the air curtain device and/or the impurity removing unit and/or the gas condition obtaining device to be turned on/off and/or prompts an obtaining result and/or prompts an operation suggestion.

Further, in the air curtain range hood in this embodiment, when the position acquisition unit acquires that the first distance from the user to the air curtain range hood reaches or does not reach the corresponding threshold value, the impurity removal unit is controlled to improve the impurity removal capability, reduce the impurity removal capability, and/or prompt an acquisition result and/or prompt an operation suggestion. Preferably, the first distance is a distance between an air curtain air outlet of the air curtain range hood and a user.

The air curtain range hood introduced by the embodiment is additionally provided with the position acquisition unit. Preferably, the position acquisition unit is connected with the air curtain device, and when the state of the human body acquired by the position acquisition unit reaches a threshold value, the air curtain device is controlled to be opened. Or, the switch unit is connected with the position acquisition unit, and when the state of the human body acquired by the position acquisition unit reaches a threshold value, the gas condition acquisition device is controlled to be started. This control is beneficial to reducing the burden of the system.

In addition, in the air curtain range hood introduced in this embodiment, the position obtaining unit is not only used for bringing the position of the user into one of the conditions for controlling the opening of the air curtain, but also used for limiting the specific action mode of the air curtain range hood. On the one hand, the air curtain can be judged whether to be meaningful to the user through the air outlet of the air curtain or the distance between the equipment and the user. If the user is near the apparatus, the user may be affected by the oil smoke or the water vapor. Alternatively, when the user is located in the vicinity of the apparatus, the user is likely to be affected by the oil smoke or the water vapor.

Example fourteen

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: the position acquisition unit controls the working state of the impurity removal unit and/or prompts the acquisition result and/or prompts an operation suggestion according to the first distance and the result acquired by the gas condition acquisition device.

Further, in the air curtain range hood in this embodiment, the position obtaining unit obtains the first distance and a result obtained by the gas condition obtaining device, determines whether the gas condition of the air curtain airflow affects a user, and if the determination result is yes, adjusts a working state of the impurity removing unit and/or prompts an obtaining result and/or prompts an operation suggestion.

Example fifteen

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: the method comprises the following steps: an air curtain device for forming an air curtain, a gas condition acquisition device for acquiring the composition/content of the gas component. The atmosphere acquisition device comprises a first gas condition acquisition device for acquiring the gas composition/content of the working area of the air curtain range hood and a second gas condition acquisition device for acquiring the gas composition/content of the non-working area of the air curtain range hood. The working area comprises at least one part of the air suction range of the air suction inlet of the air curtain range hood, and the non-working area comprises at least one part of the upper side and/or the front side and/or the left side and/or the right side and/or the lower side of the air curtain range hood and the parts above.

The air curtain range hood introduced by the embodiment defines a working area and a non-working area. The environment around the range hood is divided into at least two parts. The vicinity of the air suction opening is used as a working area, the position is within the range of the suction force of the range hood, the gas at the position is sucked into the range hood to a greater extent, and the gas at the position can indicate the target gas composition of the range hood.

Further, the air curtain range hood described in this embodiment includes a fan device that generates an air flow. And the control device is connected with the air curtain device and/or the gas condition acquisition device, and adjusts the working state of the air curtain device and/or prompts a judgment result and/or prompts an operation suggestion according to the data acquired by the gas condition acquisition device. And the control device controls the working state of the gas condition acquisition device and/or the air curtain device according to the working state of the fan device. Preferably, the operating state of the air curtain device includes an on and/or off state. And when the fan device is in an off state, the control device closes the gas condition acquisition device and/or the air curtain device.

Example sixteen

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: the adjustment basis of the control device is data generated by the air curtain device and/or the gas condition acquisition device at the same time. Preferably, the data is real-time data and the adjustment is a real-time adjustment.

Or the adjustment of the control device is based on data generated by the air curtain device and/or the gas condition acquisition device in the same time period. Preferably, the data is a calculated value within a prescribed time, and the adjustment is an intermittent adjustment. Further preferably, the prescribed time includes a time automatically acquired by the device and/or a time set by the user.

With the air curtain range hood described in this embodiment, the data obtained by the gas condition obtaining device can be obtained in real time, and the control basis of the control device can be real-time data or calculation data within a certain time period, such as average value calculation. The design enriches the control mode of the equipment, and the specific implementation mode can be automatically set by the system or selected by a user.

Example seventeen

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: the first gas condition obtaining device generates first data according to the working area gas, and the control device adjusts the working state of the air curtain device and/or prompts an obtaining result and/or prompts an operation suggestion according to the first data. Preferably, when the first data reaches or does not reach the corresponding threshold value, the air curtain device is controlled to be opened/closed and/or the acquisition result is prompted and/or the operation suggestion is prompted.

Through the air curtain range hood introduced in this embodiment, when the first data is used alone as the basis for investigation, if the first data reaches the corresponding threshold (corresponding to the situation where the oil smoke is severe), the air curtain is selected to be opened no matter what the second data is. At this time, considering that the oil smoke is serious, if the oil smoke is not opened, the risk of oil smoke leakage to a non-working area is increased, and the use environment of a user is influenced. When the range hood works to a certain moment, the relation between the first data and the second data meets the condition of closing the air curtain, for example, when the oil smoke content reflected by the second data is greater than the oil smoke content reflected by the first data, the control device closes the air curtain or advises a user to close the air curtain, so that the oil smoke in a non-working area is sucked into the range hood, and the overall environment improvement is realized.

EXAMPLE eighteen

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: the first gas condition acquisition device generates first data according to the gas in the working area, and the second gas condition acquisition device generates second data according to the gas in the non-working area; and the control device judges according to the first data, the second data and the corresponding threshold value, and adjusts the working state of the air curtain device and/or prompts the judgment result and/or prompts the operation suggestion according to the judgment result. Preferably, if the comparison result between the first data and the second data exceeds the corresponding threshold, the air curtain device is adjusted to be opened and/or the result of judgment is prompted and/or the suggestion of opening the air curtain device is prompted.

Further, if the comparison result between the first data and the second data does not exceed the corresponding threshold value, the air curtain device is adjusted to be closed and/or the judgment result is prompted and/or the suggestion that the air curtain device is closed is prompted. At least one part of the second gas condition acquisition device is arranged on one side of the air curtain range hood facing the user.

Through the air curtain range hood introduced by the embodiment, the first data and the second data are compared, if the difference between the first data and the second data is not large, the fact that oil smoke exists in a non-working area is also indicated, and the effect of generating the air curtain to protect a user is small at the moment. At the moment, the air curtain is closed or the user is advised to close the air curtain so as to suck away the oil smoke in the non-working area. Furthermore, the non-working area is defined as the area where the user is located and the front of the range hood and the cooking bench, so that the environment where the user is located can be fully brought into the investigation range.

Example nineteen

The difference between the air curtain range hood of the embodiment and the above embodiments is as follows: the device comprises an impurity removing device arranged in an impurity removing unit in the air curtain device, and an impurity removing capability judging device for judging the impurity removing capability of the impurity removing device according to data obtained by the gas condition obtaining device. When the edulcoration device performance was not enough for the edulcoration ability, probably there was the edulcoration device to need change abluent condition, perhaps, was the heavier condition of near cooking utensils oil smoke this moment, and the fan device of adjustment equipment increases the ability of induced drafting this moment. The invention further introduces an impurity removal device/impurity removal unit with adjustable impurity removal capability, and the combination of the impurity removal device/impurity removal unit introduced by the invention enables the air curtain range hood to control the impurity removal capability of the impurity removal device/impurity removal unit according to the result obtained by the gas condition obtaining device, so that the impurity removal effect under different use conditions is ensured.

Further, the gas condition obtaining device in this embodiment includes a working area gas condition obtaining device for obtaining the composition/content of the gas component in the working area of the air curtain range hood and an air duct gas condition obtaining device for obtaining the composition/content of the gas component in the air duct of the air curtain range hood. The air duct comprises an air curtain air duct of an air curtain device. The gas condition acquisition device is designed to at least comprise a working area gas condition acquisition device and an air channel gas condition acquisition device, so that the target gas composition condition in the working area and the gas composition condition in the air channel are comprehensively considered, and the cleaning effect of the impurity removal device on the target substance can be effectively shown. At this time, the air duct gas condition acquisition device is preferably arranged on one side of the impurity removal device communicated with the air duct outlet.

Further, the duct gas condition obtaining device in this embodiment includes an air curtain duct gas condition obtaining device for obtaining the composition/content of the gas component in the air curtain duct. The air duct gas condition acquisition device comprises a first air duct gas condition acquisition device for acquiring the side, moving towards the impurity removal unit, of the air flow in the air curtain air duct. And the impurity removal capability judging device compares the data acquired by the first air duct gas condition acquiring device with the data acquired by the working area gas condition acquiring device, and when the comparison result of the two data does not exceed a threshold value, the impurity removal capability of the impurity removal device is good. According to the air curtain range hood introduced by the embodiment, the first air channel gas condition acquisition device is additionally arranged in the air channel of the air curtain device and used for inspecting the air flow quality of the air curtain, and the inspected result can be that the air flow quality of the air curtain is good and the air curtain can be normally used; or the quality of the air curtain airflow is poor, and the impurity removal capability of the corresponding impurity removal device and/or the impurity removal unit is adjusted according to the first air channel gas condition acquisition device, or the user is prompted about the condition of poor quality. Further, when the impurity removal capability of the impurity removal device and/or the impurity removal unit is adjusted to the limit set by the system, the current situation of the user is prompted, and the user is reminded to check.

The difference between the air curtain range hood described in this embodiment and the above embodiments is: the air duct gas condition acquisition device comprises an air curtain air duct gas condition acquisition device for acquiring the composition/content of gas components in the air curtain air duct; the air duct gas condition acquisition device comprises a second air duct gas condition acquisition device for acquiring one side of the air curtain air duct, which deviates from the movement of the impurity removal unit, of the air flow.

Further, the impurity removal capability determining device in this embodiment compares the data acquired by the second air duct gas condition acquiring device with the data acquired by the working area gas condition acquiring device, and when a comparison result between the two does not exceed a threshold value, the impurity removal capability of the impurity removal device and/or the impurity removal unit is good.

The second air flue gas condition acquisition device is additionally arranged in the air flue of the air curtain device, and the data acquired by the second air flue gas condition acquisition device is compared with the data acquired by the working area gas condition acquisition device, so that the further investigation on the impurity removal capability of the impurity removal device and/or the impurity removal unit can be realized. The investigation result is more intuitive.

The air duct gas condition acquisition device comprises an air curtain air duct gas condition acquisition device for acquiring the composition/content of gas components in the air curtain air duct; the air duct gas condition acquisition device comprises a first air duct gas condition acquisition device for acquiring one side of the air curtain air duct, which moves towards the impurity removal unit, of the air flow; the air duct gas condition acquisition device comprises a second air duct gas condition acquisition device for acquiring one side of the air curtain air duct, which deviates from the movement of the impurity removal unit, of the air flow.

Further, the impurity removal capability determining device in this embodiment compares the data acquired by the first air duct gas condition acquiring device with the data acquired by the second air duct gas condition acquiring device, and when a comparison result between the two does not exceed a threshold value, the impurity removal capability of the impurity removal unit is good. And comparing the data between the first air channel gas condition acquisition device and the second air channel gas condition acquisition device, so that the impurity removal capability of the impurity removal unit can be independently inspected.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a smoke and fire range coordinated type air curtain range hood, its characterized in that includes:

an air curtain device for forming an air curtain;

2. The range hood according to claim 1, wherein the linkage device determines whether the correspondence between the data is within a corresponding threshold range after obtaining the data obtained by the state obtaining device, and adjusts the working state of the air curtain device according to the determination result and/or prompts an operation suggestion;

3. The range hood of claim 1, wherein the environmental conditions comprise: ambient temperature and/or ambient humidity and/or ambient oil smoke content;

4. The range hood according to claim 1, wherein the state acquiring device acquires a duration of a change in the operating state of the air curtain device and/or the operating state of the range and/or the environmental state around the range hood, and when the duration reaches a corresponding threshold, sends corresponding data to the linkage device;

preferably, the time period is not less than 30 s.

5. The smoke range linkage type air curtain range hood according to claim 1 or 2, wherein the linkage device judges according to the working state of the air curtain device and the working state of the kitchen range, and if the judgment result shows that the corresponding relationship between the two exceeds a corresponding threshold value, the working state of the air curtain device is adjusted and/or the judgment result and/or the operation suggestion are/is prompted.

6. The smoke range linkage type air curtain range hood according to claim 1 or 2, wherein the linkage device performs primary judgment according to the working state of the air curtain device and the working state of the kitchen range; if the result of the first-stage judgment is that the corresponding relation between the two exceeds a corresponding threshold value, further performing second-stage judgment according to the environment state around the range hood and the working state of the air curtain device, and adjusting the working state of the air curtain device according to the result of the second-stage judgment and/or prompting the judgment result and/or prompting an operation suggestion;

7. The smoke-range linkage type air curtain range hood according to claim 1, wherein the range hood comprises a position acquisition unit for acquiring the position of a user, and the working state of the air curtain device is adjusted according to the data acquired by the position acquisition unit;

8. The range hood of claim 7, wherein the position threshold is divided into a plurality of ranges according to the range of oil smoke diffusion, and the range hood is adjusted to different degrees when a user is in different position threshold ranges;

9. The range hood of claim 8, wherein the degree of incremental adjustment of the air curtain airflow intensity is greater for a user within the range of the first position threshold than for a user within the range of the first position threshold and the second position threshold; the degree of the decreasing adjustment to the air curtain airflow intensity is less than the degree of the decreasing adjustment to the user within the first and second positional thresholds when the user is within the first positional threshold range.

10. The range hood of claim 1, wherein the range hood comprises a fan device for providing power for sucking oil smoke; at least part of the power of the air flow required by the air curtain device for forming the air curtain is provided by the fan device;

preferably, the air curtain device is a structure with a through cavity inside;