CN113757749A - Smoke machine with air curtain and air curtain control method thereof - Google Patents
Smoke machine with air curtain and air curtain control method thereof Download PDFInfo
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- CN113757749A CN113757749A CN202111143533.1A CN202111143533A CN113757749A CN 113757749 A CN113757749 A CN 113757749A CN 202111143533 A CN202111143533 A CN 202111143533A CN 113757749 A CN113757749 A CN 113757749A
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- air curtain
- air
- machine
- range hood
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2028—Removing cooking fumes using an air curtain
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The disclosure relates to a range hood with an air curtain and an air curtain control method thereof, belonging to the technical field of range hoods. The cigarette machine includes: the main machine comprises a main machine case shell and a fan of the range hood; a smoke collection cavity arranged at the lower part of the main case shell to surround the smoke inlet at the lower part of the main case shell; the air curtain system is mechanically connected with the smoke collecting cavity and used for generating an air curtain between the smoke machine and the cooking bench, and comprises an air curtain fan and an air curtain control device; the air curtain control device is used for determining the current required air curtain air quantity corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air quantity, and enabling the air curtain system to output the current required air curtain air quantity by adjusting the working parameters of the range hood fan according to the corresponding relation between the preset air curtain air quantity and the working parameters of the range hood fan. The invention can determine the corresponding optimal air curtain air quantity and the working parameters of the fan of the range hood aiming at different cooking modes.
Description
Technical Field
The disclosure relates to the technical field of range hoods, in particular to a range hood with an air curtain and an air curtain control method thereof.
Background
The existing range hood products are generally divided into a top-suction range hood, a side-suction range hood, a near-suction range hood and the like, and the existing different smoking modes have different smoking effects. However, even if the smoking effect of the existing range hood is good, the phenomena of smoke leakage and smell leakage still occur. In order to solve the problem, the prior art provides the method for adding the air curtain system in the range hood, and the air curtain is formed between the range hood and the cooking bench so as to improve the range hood smoke removing effect and prevent odor from escaping. However, the output air curtain air quantity of the existing range hood with the air curtain cannot be intelligently controlled, generally, only an air curtain with a fixed air quantity can be output, or the air curtain output air quantity can also be manually adjusted manually, but the air curtain with the fixed air quantity is output, the air curtain air quantity and the suction air quantity of a range hood fan cannot be perfectly matched, the smoke-blocking and smell-isolating effect of the air curtain is poor, the manual adjustment mode is too high in dependence on the experience of an adjuster and is often adjusted by feeling, the optimal working state matching cannot be realized between the air curtain air quantity and the suction air quantity of the range hood fan, and if the problem is solved, a better smoking effect is pursued, and the air quantities of the range hood fan and the air curtain are constantly adjusted to the maximum state, the problem of electric energy waste exists.
Disclosure of Invention
The invention aims to provide a range hood with an air curtain and an air curtain control method thereof, and solves the problem that the air curtain needle of the range hood and a fan of the range hood cannot be optimally adjusted in the prior art. The technical scheme provided by the invention is as follows:
in a first aspect, the present disclosure provides a range hood with an air curtain comprising: the smoke collection system comprises a host, a smoke collection cavity and an air curtain system;
the main machine comprises a main machine box shell and a smoke machine fan; the fan of the range hood is positioned in the main case shell;
the smoke collecting cavity is arranged at the lower part of the main case shell so as to surround a smoke inlet at the lower part of the main case shell;
the air curtain system is mechanically connected with the smoke collecting cavity and is used for generating an air curtain between the smoke machine and the cooking bench; the air curtain system comprises an air curtain fan and an air curtain control device;
the air curtain control device is used for determining the current required air curtain air quantity corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air quantity, and enabling the air curtain system to output the current required air curtain air quantity by adjusting the working parameters of the range hood fan according to the corresponding relation between the preset air curtain air quantity and the working parameters of the range hood fan.
In one embodiment of the first aspect, the operating parameters include: at least one of wind speed, wind pressure and rotation speed.
In one embodiment of the first aspect, the air curtain control device comprises: a first regulation module and at least one wind speed sensor;
the at least one wind speed sensor is arranged around the air outlet of the fan of the range hood at equal intervals and is used for measuring the real-time wind speed of the fan of the range hood;
the first adjusting module is used for determining the current required air curtain air volume corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air volume, determining the required air speed of the range hood fan according to the corresponding relation between the preset air curtain air volume and the air speed of the range hood fan, and adjusting and controlling the real-time air speed of the range hood fan to be equal to the required air speed;
or
The air curtain control device includes: the second adjusting module and at least one wind pressure sensor;
the at least one wind pressure sensor is arranged around the air outlet of the smoke machine fan at equal intervals and used for measuring the real-time wind pressure of the smoke machine fan;
the second adjusting module is used for determining the current required air curtain air volume corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air volume, determining the required air pressure of the range hood fan according to the corresponding relation between the preset air curtain air volume and the air pressure of the range hood fan, and adjusting and controlling the real-time air pressure of the range hood fan to be equal to the required air pressure;
or
The air curtain control device includes: a third adjusting module and a Hall sensor;
a motor rotating shaft of the fan of the range hood is connected with the impeller and is arranged on the volute through a screw;
the Hall sensor is arranged in a motor of the smoke machine fan and used for measuring the real-time rotating speed of the smoke machine fan;
and the third adjusting module is used for determining the current required air curtain air quantity corresponding to the current cooking mode of the cigarette machine according to the corresponding relation between the preset cooking mode and the air curtain air quantity, determining the required rotating speed of the motor of the cigarette machine fan according to the corresponding relation between the preset air curtain air quantity and the rotating speed of the motor, and adjusting and controlling the real-time rotating speed of the motor to be equal to the required rotating speed.
In one embodiment of the first aspect, the machine comprises: the system comprises a logic control module, a loudspeaker and a microphone;
the microphone is used for collecting a user voice signal and sending the user voice signal to the logic control module;
the logic control module is used for analyzing the user voice signal collected by the microphone and executing a control behavior corresponding to the content of the user voice signal according to a preset control logic; wherein the content of the user voice signal includes at least a user selected cooking mode of the cigarette machine.
In one embodiment of the first aspect, the machine further comprises: a human body induction sensor and a first illuminating lamp;
the human body induction sensor is used for inducing a human body signal and sending the human body signal to the logic control module;
the logic control module is also used for controlling the first illuminating lamp to be turned on when the human body signal is received, controlling the loudspeaker to play a power-on inquiry voice to the user, and controlling the cigarette making machine to be turned on when a response that the user agrees to turn on the cigarette making machine is received; the logic control module is also used for controlling the first illuminating lamp to be turned off when the human body signal disappears for a preset time.
In one embodiment of the first aspect, the air curtain system further comprises a panel; the panel is a flat plate with the shape and the size matched with the shape of the smoke collection cavity, the upper part of the panel is connected to the smoke collection cavity through a first rotating shaft, and the air curtain fan is installed on one side surface, facing the smoke collection cavity, of the panel; an air curtain is output below the panel;
the cigarette machine still includes: the rotary supporting component comprises a push rod device, a rotary supporting seat and a connecting rod;
the push rod device is arranged on the inner wall of the back of the main case shell and is close to the bottom of the main case shell;
the push rod device includes: the push rod, the push rod groove and the push rod motor;
the push rod is in nested sliding connection with the push rod groove, and the axis of the push rod is perpendicular to the top surface of the shell of the main case;
the rotary supporting seat is fixedly arranged on the inner side of the panel and is close to the lower end of the panel;
one end of the connecting rod is hinged to the bottom end part of the push rod, and the other end of the connecting rod is hinged to the rotary supporting seat;
the push rod motor drives the push rod to linearly move in the push rod groove, so that the panel is driven to rotate around the first rotating shaft to be opened and closed through the connecting rod.
In one embodiment of the first aspect, the maximum angle of rotation of the panel open about the first axis of rotation is 53 °.
In one embodiment of the first aspect, a tension and compression sensor is mounted on the push rod, and an angle sensor is mounted between the panel and the smoke collection chamber;
when the panel is opened/closed relative to the smoke collection cavity, the tension and compression sensor measures the current tension/pressure on the push rod in real time;
the angle sensor is used for measuring the real-time angle of the panel relative to the opening of the smoke collection cavity in real time;
the logic control module is also connected with the tension and compression sensor and the angle sensor; the logic control module is further used for judging whether the current pulling force is larger than the theoretical pulling force corresponding to the real-time angle or not according to the corresponding relation between the preset pulling force and the angle, and if so, controlling to close the panel and control the loudspeaker to send out a preset alarm; the logic control module is further used for judging whether the current pressure is larger than the theoretical pressure corresponding to the real-time angle or not according to the corresponding relation between the preset pressure and the angle, and if yes, the logic control module controls the panel to be opened and controls the loudspeaker to send out a preset alarm.
In one embodiment of the first aspect, the plane of the air curtain output by the air curtain system forms an included angle with the panel within a preset range, and the preset range is 20-25 °.
In a second aspect, the present disclosure provides an air curtain control method of a range hood with an air curtain, comprising:
acquiring a current cooking mode of the range hood;
determining the current required air curtain air volume corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air volume;
and adjusting the working parameters of the fan of the range hood according to the corresponding relation between the preset air curtain air quantity and the working parameters of the fan of the range hood so that the range hood outputs the current required air curtain air quantity.
In one embodiment of the second aspect, the operating parameters include: at least one of wind speed, wind pressure and rotation speed.
In one embodiment of the second aspect, the method further comprises:
collecting and analyzing a user voice signal;
executing a control behavior corresponding to the content of the user voice signal according to a preset control logic; wherein the content of the user voice signal includes at least a user selected cooking mode of the cigarette machine.
In an embodiment of the second aspect, before the acquiring the user voice signal, further comprising:
judging whether human body signals are sensed in real time;
when a human body signal is sensed, the first illuminating lamp is controlled to be turned on, and a power-on inquiry voice is played to a user;
and controlling the cigarette machine to start up when receiving a response that the user agrees to start up.
In one embodiment of the second aspect, after said controlling the range hood to be turned on, further comprises:
and when the human body signal disappears for a preset time, controlling the first illuminating lamp to be turned off.
In one embodiment of the second aspect, the method is used with a cigarette maker having a panel that is rotatably openable relative to a smoke collection chamber about the first axis of rotation;
the method further comprises the following steps:
measuring the current tension/pressure on the push rod and the real-time angle of the panel relative to the smoke collection cavity in real time in the process of opening/closing the panel relative to the smoke collection cavity; the push rod is used for pushing/pulling the panel to rotate around the first rotating shaft to open and close;
judging whether the current tension is greater than the theoretical tension corresponding to the real-time angle or not according to a preset corresponding relation between tension and angle, or judging whether the current pressure is greater than the theoretical pressure corresponding to the real-time angle or not according to a preset corresponding relation between pressure and angle;
if the current pulling force is larger than the theoretical pulling force corresponding to the real-time angle, closing the panel and sending a preset alarm; or if the current pressure is greater than the theoretical pressure corresponding to the real-time angle, opening the panel and giving a preset alarm.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the range hood with the air curtain and the air curtain control method thereof, provided by the invention, the air curtain can be output between the range hood and the cooking bench, the smoke removing effect of the range hood can be improved, the smell leakage is prevented, the corresponding optimal air curtain air volume and the working parameters of a fan of the range hood can be determined according to different cooking modes, the air curtain air volume and the air volume of the fan of the range hood are matched one by one to achieve the optimal smoking effect, and meanwhile, the energy is saved and the consumption is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a front view of a cigarette machine with an air curtain according to an embodiment of the present invention;
figure 2 is a left side elevational view of the machine shown in figure 1;
figure 3 is a bottom view of the machine of figure 1;
FIG. 4 is a schematic structural diagram of a first embodiment of an air curtain control apparatus;
FIG. 5 is a schematic structural diagram of a second embodiment of an air curtain control apparatus;
FIG. 6 is a schematic structural diagram of a third embodiment of an air curtain control apparatus;
fig. 7 is a schematic structural diagram of a blower 12 of the cigarette making machine corresponding to the embodiment shown in fig. 6;
FIG. 8 is a left side view of FIG. 8 as in FIG. 7;
fig. 9 is a schematic structural view of the motor 121 in fig. 7;
FIG. 10 is a left side view of FIG. 9;
fig. 11 is a flowchart of an air curtain control method for a range hood with an air curtain according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The upper, lower, left and right in this embodiment are the upper, lower, left and right after the cigarette machine is installed, the back face refers to the face of the cigarette machine against the wall after installation, and the front face is the face opposite to the back face.
Fig. 1 is a front view of a cigarette making machine with an air curtain according to an embodiment of the present invention, fig. 2 is a left side view of the cigarette making machine shown in fig. 1, and fig. 3 is a bottom view of the cigarette making machine shown in fig. 1. As shown in fig. 1-3, the machine comprises: host computer 1, collection smoke chamber 2 and air curtain system 3. The main machine 1 comprises a main machine box shell 11 and a smoke machine fan 12, and the smoke machine fan 12 is positioned in the main machine box shell 11. The smoke collection chamber 2 is installed at the lower portion of the main cabinet housing 11 to surround the smoke inlet at the lower portion of the main cabinet housing 11. The air curtain system 3 is mechanically connected with the smoke collecting cavity 2 and is used for generating an air curtain between the smoke machine and the cooking bench; the air curtain system 3 comprises an air curtain fan 31 and an air curtain control device 32; the air curtain control device 32 is configured to determine a current required air curtain air volume corresponding to the current cooking mode of the range hood according to a corresponding relationship between a preset cooking mode and the air curtain air volume, and adjust a working parameter of the range hood fan 12 according to a corresponding relationship between the preset air curtain air volume and a working parameter of the range hood fan to enable the air curtain system 3 to output the current required air curtain air volume.
Preferably, the operating parameters of the cigarette machine fan include: at least one of wind speed, wind pressure and rotation speed.
Fig. 4 is a schematic structural diagram of a first embodiment of the air curtain control device, and as shown in fig. 4, the air curtain control device 32 may include: a first regulation module 321 and at least one wind speed sensor 322. Wherein, at least one wind speed sensor 322 is installed around the air outlet of the cigarette machine fan 12 at equal intervals, and the wind speed sensor 322 is used for measuring the real-time wind speed of the cigarette machine fan. Preferably, the air curtain control device 32 includes 4 wind speed sensors 322, for example, as shown in fig. 2, the 4 wind speed sensors 322 are uniformly arranged around the circumference of the air outlet 121 of the range hood fan 12, and when the wind speed is measured using these wind speed sensors 322, the measurement results of the plurality of wind speed sensors 322 may be averaged to be the real-time wind speed of the range hood fan. The first adjusting module 321 is connected to the air speed sensor 322 and the smoke ventilator fan 12, and is configured to determine a current required air curtain air volume corresponding to a current smoke ventilator cooking mode according to a corresponding relationship between a preset cooking mode and the air curtain air volume, determine a required air speed of the smoke ventilator fan according to a corresponding relationship between the preset air curtain air volume and the air speed of the smoke ventilator fan, and adjust a working state of the smoke ventilator fan 12 (e.g., adjust an input voltage and current value of the smoke ventilator fan 12) by comparing a real-time air speed of the smoke ventilator fan with the required air speed so that the real-time air speed is equal to the required air speed.
Specifically, in the embodiment of the invention, the corresponding relationship between the cooking mode of the range hood and the air curtain air volume is preset, that is, different air curtain air volumes are adopted in different cooking modes to achieve the purposes of energy saving and consumption reduction, and the current required air curtain air volume corresponding to the current cooking mode of the range hood can be determined according to the corresponding relationship. Due to the air quantity Q of the air curtainbAlong with the air quantity Q of the fan 12 of the range hoodaThe air curtain air quantity Q is measured in advance to achieve the best smoking effect when the air curtain air quantity Q is measured in advancebThe air quantity Q of the smoke machine fan 12aPhi of a relation1。
In the embodiment shown in fig. 4, for the blower, since the air volume is equal to the air speed × the air duct cross-sectional area, the air volume Q of the range hood blower can be obtained on the premise that the air outlet cross-sectional area of the range hood blower 12 is already determinedaCurve phi of relation to wind speed2Finally according to the relation curve phi1And phi2The air quantity Q of the air curtain can be obtainedbAnd the corresponding relation with the wind speed v of the fan 12 of the range hood. Obviously, after the current required air curtain air volume corresponding to the current cooking mode of the range hood is determined, the air curtain air volume is determined according to QbAnd the corresponding relation with v can determine the required wind speed of the current smoke machine fan 12, and then the output wind speed of the smoke machine fan 12 is adjusted to be stabilized to the required wind speed.
Fig. 5 is a schematic structural diagram of a second embodiment of the air curtain control device, and as shown in fig. 5, the air curtain control device 32 may include: a second adjusting module 323 and at least one wind pressure sensor 324; wherein, at least one wind pressure sensor 324 is installed around the air outlet of the cigarette machine fan 12 at equal intervals, and the installation mode is similar to the aforementioned wind speed sensor 322, and is not described herein again. The wind pressure sensors 324 are used for measuring the real-time wind pressure of the cigarette machine fan 12, preferably, the number of the wind pressure sensors 324 is 4, and when the wind pressure sensors 324 are used for measuring the wind pressure, the measurement results of the wind pressure sensors 324 can be averaged to be used as the real-time wind pressure of the cigarette machine fan. The second adjusting module 323 is connected to the wind pressure sensor 324 and the smoke machine fan 12, and is configured to determine a current required air curtain wind volume corresponding to the current smoke machine cooking mode according to a corresponding relationship between a preset cooking mode and the air curtain wind volume, determine a required wind pressure of the smoke machine fan according to a corresponding relationship between the preset air curtain wind volume and the wind pressure of the smoke machine fan, and adjust a working state of the smoke machine fan 12 (e.g., adjust an input voltage current value of the smoke machine fan 12) by comparing the real-time wind pressure and the required wind pressure of the smoke machine fan so that the real-time wind pressure is equal to the required wind pressure.
In this embodiment, the correspondence between the cooking mode of the range hood and the air curtain air volume is preset, and the air curtain air volume Q is measured in advance when the smoking effect is bestbThe air quantity Q of the smoke machine fan 12aPhi of a relation1Then the wind pressure P-wind quantity Q of the fan 12 of the smoke machine passes throughaPerformance curve phi3Finally, the air curtain air quantity Q can be obtainedbAnd the corresponding relation with the wind pressure P of the fan 12 of the range hood. After the current required air curtain air volume corresponding to the current cooking mode of the range hood is determined, according to QbAnd the corresponding relation with P can determine the required wind pressure of the current cigarette machine fan 12, and then the wind pressure of the cigarette machine fan 12 is regulated to be stable to the required wind pressure.
Fig. 6 is a schematic structural diagram of a third embodiment of the air curtain control device, and as shown in fig. 6, the air curtain control device 32 may include: a third conditioning module 325, and a hall sensor 326. Fig. 7 is a schematic structural diagram of a smoke ventilator 12 corresponding to the embodiment, fig. 8 is a left side view of fig. 7, fig. 9 is a schematic structural diagram of a motor 121 in fig. 7, and fig. 10 is a left side view of fig. 9. As shown in fig. 7-10, in this embodiment, the rotating shaft 122 of the motor 121 of the cigarette maker fan 12 is connected with the impeller 123 and is mounted on the volute 125 by the screw 124. The hall sensor 326 is mounted in the motor 121 of the cigarette machine fan 12 for measuring the real-time rotation speed of the cigarette machine fan. The third adjusting module 325 is connected to the hall sensor 326 and the smoke ventilator fan 12, and is configured to determine a current required air curtain air volume corresponding to a current smoke ventilator cooking mode according to a corresponding relationship between a preset cooking mode and the air curtain air volume, determine a required motor rotation speed of the smoke ventilator fan according to a corresponding relationship between the preset air curtain air volume and the motor rotation speed, and adjust and control the real-time rotation speed of the motor to be equal to the required rotation speed.
In this embodiment, the correspondence between the cooking mode of the range hood and the air curtain air volume is preset, and the air curtain air volume Q is measured in advance when the smoking effect is bestbThe air quantity Q of the smoke machine fan 12aPhi of a relation1Then passes through the rotating speed W of the fan 12 of the range hooda-air quantity QaPerformance curve phi4Finally, the air curtain air quantity Q can be obtainedbRotating speed W of fan 12 of range hoodaThe corresponding relationship of (1). After the current required air curtain air volume corresponding to the current cooking mode of the range hood is determined, according to QbAnd WaThe required rotating speed of the current smoke ventilator fan 12 can be determined according to the corresponding relation.
In an alternative embodiment, the present invention provides a machine with an air curtain further comprising: logic control module, loudspeaker and microphone. The microphone is used for acquiring a user voice signal and sending the user voice signal to the logic control module; the logic control module is used for analyzing the user voice signal collected by the microphone and executing a control behavior corresponding to the content of the user voice signal according to a preset control logic; wherein the content of the user voice signal includes at least a user selected cooking mode of the cigarette machine. For example: the logic control module analyzes that the user voice content collected by the microphone is 'starting up', and controls the cigarette machine to start up; or, if the preset cooking mode includes three types of ordinary cooking, cooking and quick-frying, the logic control module analyzes that the user voice content collected by the microphone is 'cooking', and controls the range hood to work in the cooking mode, that is, the fan 12 of the range hood is controlled to stably output the air curtain air volume corresponding to the cooking mode according to the scheme. Preferably, the location of the speaker and microphone may be as shown by speaker 41 and microphone 42 in fig. 1.
Preferably, as shown in fig. 1, the cigarette maker with air curtain of the present invention may further comprise: a human body induction sensor 43, a first illumination lamp 44; the human body induction sensor 43 is used for inducing a human body signal and sending the human body signal to the logic control module, and when a user approaches the cigarette making machine and the distance between the user and the human body induction sensor 43 is less than a preset distance (for example, 1.5m), the human body induction sensor 43 can induce the human body signal. In this embodiment, the logic control module is further configured to control the first illuminating lamp 44 to be turned on when receiving the human body signal, control the speaker 41 to play a power on inquiry voice to the user, and control the cigarette making machine to be turned on when receiving a response that the user agrees to turn on the cigarette making machine; the logic control module is further configured to control the first illumination lamp 44 to turn off when the human body signal disappears for a predetermined time, for example, to automatically turn off the cigarette machine after a delay of 15 seconds after the person leaves the cigarette machine.
In an alternative embodiment, as shown in fig. 1 and 2, the air curtain system further includes a panel 33, the panel 33 is a flat plate having an outer dimension matching the shape of the smoke collection chamber 2, an upper portion of the panel 33 is connected to the smoke collection chamber 2 by a first rotating shaft 34, the air curtain fan 31 is installed on a side of the panel 33 facing the smoke collection chamber 2, and the air curtain is output below the panel 33. In this embodiment, as shown in fig. 2, the cigarette making machine further includes: and the rotary support component comprises a push rod device, a rotary support seat 51 and a connecting rod 52. Wherein, the push rod device is arranged on the inner wall of the back of the main case shell 21 of the cigarette machine and is close to the bottom of the main case shell. The push rod device includes: a push rod 53, a push rod groove 54 and a push rod motor 55; the push rod 53 is in nested sliding connection with the push rod groove 54, and the axis of the push rod 53 is perpendicular to the top surface of the main cabinet shell 11, that is, the axis of the push rod 53 is located in the vertical plane; the push rod motor 55 is connected with the push rod 53; the rotary supporting seat 51 is fixedly arranged on the inner side of the panel 33 and is close to the lower end of the panel 33; one end of the connecting rod 52 is hinged on the bottom end part of the push rod 53, and the other end is hinged on the rotary supporting seat 51. In this embodiment, the working principle of the rotation support assembly is as follows: the push rod motor 55 drives the push rod 53 to move linearly in the push rod groove 54, so as to drive the panel 33 to rotate around the first rotating shaft 34 through the connecting rod 52 for opening and closing.
Preferably, as shown in fig. 2, the maximum angle of opening of the panel 33 is 53 ° rotated about said first axis of rotation 34.
Further preferably, the push rod 53 is provided with a tension/compression sensor 6, and the panel 3An angle sensor is arranged between the smoke collection cavity 2 and the 3; in the process of opening/closing the panel 33 relative to the smoke collection cavity 2, the tension/compression sensor 6 measures the current tension/pressure on the push rod 53 in real time; said angle sensor is used to measure in real time the real time angle at which the panel 33 is opened with respect to the smoke collection chamber 2. In this embodiment, the pulling force F applied to the push rod 53 when the push rod 53 opens the panel 33 is previously measured1Phi of the relation with the opening angle theta of the panel 335And the pressure F to which the push rod 53 is subjected when the panel 33 is closed2Phi of the relation with the opening angle theta of the panel 336(ii) a The logic control module is also connected with a tension and compression sensor 6 and the angle sensor; the logic control module can judge whether the current pulling force is larger than the theoretical pulling force corresponding to the real-time angle according to the corresponding relation between the preset pulling force and the angle, if so, the panel 33 touches an obstacle, and at the moment, the push rod motor 55 closes the panel 33 and controls the loudspeaker to send out a preset alarm; or, the logic control module is further configured to determine whether the current pressure is greater than a theoretical pressure corresponding to the real-time angle according to a preset corresponding relationship between the pressure and the angle, if so, it indicates that the panel 33 touches an obstacle, and at this time, the push rod motor 55 opens the panel 33 and controls the horn to send a preset alarm.
Preferably, as shown in fig. 3, the panel 33 is connected to the smoke collection chamber 2 by means of a hinge 56, the hinge 56 having the first rotation axis 34.
Preferably, as shown in fig. 2, the plane of the air curtain output by the air curtain system is at an angle of a preset range with the panel 33, the preset range being 20 ° to 25 °.
Optionally, when the panel 33 is opened to the maximum angle, the logic control module also controls the second illumination lamp 45 in fig. 1 to be turned on, and the range hood can automatically turn on the default cooking mode or wait for a user to input a voice input command. When the user finishes cooking, the logic control module may be notified by voice to finish cooking, and then the logic control module first turns off the air curtain system 3, then turns off the range hood fan 12, and then turns off the second illumination lamp 45.
The cigarette machine with air curtain that this embodiment provided can export the air curtain between collection smoke chamber and top of a kitchen range, and at this cigarette machine during operation, the smoke inlet, wall and the air curtain of cigarette machine can enclose into a negative pressure region, and oil smoke and peculiar smell are isolated by the air curtain, can only enter into this lampblack absorber through the smoke inlet and then discharge outdoor, for current ordinary lampblack absorber, can improve the cigarette machine and remove the oil smoke effect, prevent to run the flavor, promote user's use and experience. In addition, the smoke machine with the air curtain provided by the embodiment of the invention can also determine the corresponding optimal air curtain air volume and the working parameters of the smoke machine fan aiming at different cooking modes, so that the air curtain air volume and the smoke machine fan air volume are matched one by one to achieve the optimal smoking effect, and meanwhile, the energy is saved and the consumption is reduced. In addition, can also realize the AI control of cigarette machine through pronunciation, the automatic switch machine and the automatic switch lamp of cigarette machine are realized to the auto-induction human body, and whether the rotatable panel that further can realize automated inspection is used for keeping off the cigarette bumps the barrier and reports to the police at the rotatory in-process that opens and shuts, has improved the intelligence and the security of cigarette machine.
In an alternative embodiment, as shown in figure 1, the present invention provides a cigarette making machine further comprising: a left baffle 71 and the right baffle 72 respectively positioned at the left and right sides of the smoke collection cavity 2. As shown in fig. 1, in the cigarette making machine provided by the embodiment of the present invention, both the left side baffle 71 and the right side baffle 72 are hinge structures, and the central line of the unfolded left side baffle 71 and the unfolded right side baffle 72 can be bent; to accommodate the rotatably openable and closable panel 33. Specifically, one end of the left baffle 71 is fixed on the left edge of the panel 33, and the other end is fixed on the smoke collection cavity 2; one end of the right baffle 72 is fixed on the right edge of the panel 33, and the other end is fixed on the smoke collection cavity 2.
Preferably, as shown in fig. 2, the present invention provides a cigarette machine further comprising: an oil screen 8 and an oil cup 9; wherein, the oil screen 8 is arranged at the bottom of the smoke collecting cavity 2, and the oil screen 8 is used for filtering the sucked oil smoke; the oil cup 9 is arranged at the lower end of the oil screen 8 and used for collecting the oil smoke filtered by the oil screen 8. Through setting up oil net and oil cup, can play certain purification effect to getting into the oil smoke in collection smoke chamber 2 and the host computer 1 especially cigarette machine fan 12, avoid the interior deposit of cigarette machine fan 12, thereby influence the wind wheel rotational speed influence effect of induced drafting on cigarette machine fan 12, avoid the oil smoke to deposit and the inconvenient problem of cleaning in collection smoke chamber 2 simultaneously.
Corresponding to the cigarette machine with air curtain provided by the embodiment of the invention, the implementation of the invention also provides an air curtain control method of the cigarette machine with air curtain, as shown in fig. 11, the method comprises the following steps of S11-S13:
s11: acquiring a current cooking mode of the range hood;
s12: determining the current required air curtain air volume corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air volume;
s13: and adjusting the working parameters of the fan of the range hood according to the corresponding relation between the preset air curtain air quantity and the working parameters of the fan of the range hood so that the range hood outputs the current required air curtain air quantity.
Preferably, the operating parameters include: at least one of wind speed, wind pressure and rotation speed.
Optionally, the air curtain control method provided by the implementation of the present invention further includes the following steps a11-a 12:
step A11: collecting and analyzing a user voice signal;
step A12: executing a control behavior corresponding to the content of the user voice signal according to a preset control logic; wherein the content of the user voice signal includes at least a user selected cooking mode of the cigarette machine.
Further, before the step a11, the following steps B11-B13 may be further included:
step B11: judging whether a human body signal is sensed in real time, if so, continuing to execute B12; otherwise, returning to execute the step;
step B12: controlling the first illuminating lamp to be turned on, and playing a power-on inquiry voice to a user;
step B13: and controlling the cigarette machine to start up when receiving a response that the user agrees to start up.
Preferably, after the step B13, the method further comprises the steps of: and when the human body signal disappears for a preset time, controlling the first illuminating lamp to be turned off.
In an alternative embodiment, the present invention provides a method of air curtain control for a machine having a front panel that is rotatable open and closed about a first axis of rotation relative to a smoke collection chamber. On the basis of the above method embodiments, the method may further include the following steps C11-C13:
step C11: measuring the current tension/pressure on the push rod and the real-time angle of the panel relative to the smoke collection cavity in real time in the process of opening/closing the panel relative to the smoke collection cavity; the push rod is used for pushing/pulling the panel to rotate around the first rotating shaft to open and close;
step C12: judging whether the current tension is greater than the theoretical tension corresponding to the real-time angle or not according to a preset corresponding relation between tension and angle, or judging whether the current pressure is greater than the theoretical pressure corresponding to the real-time angle or not according to a preset corresponding relation between pressure and angle;
step C13: if the current pulling force is larger than the theoretical pulling force corresponding to the real-time angle, closing the panel and sending a preset alarm; or if the current pressure is greater than the theoretical pressure corresponding to the real-time angle, opening the panel and giving a preset alarm.
Optionally, in the process of performing the steps C11-C13, the method provided by the present invention may further include: a step of controlling the second illumination lamp to be turned on and turning on a default cooking mode when the panel 33 is turned on to a maximum angle; and when the user finishes cooking, turning off the fan of the smoke machine after the air curtain system is turned off, and then turning off the second lighting lamp.
The principle of the control method of the air curtain control method provided by the embodiment of the invention is similar to that of the air curtain control method of the smoke machine with the air curtain provided by the embodiment of the invention, and the detailed description is omitted here.
The air curtain control method of the smoke machine with the air curtain provided by the embodiment of the invention can determine the corresponding optimal air curtain air volume and the working parameters of the smoke machine fan aiming at different cooking modes, so that the air curtain air volume and the smoke machine fan air volume are matched one by one to achieve the optimal smoking effect, the smoking and smell isolating effects are good, and meanwhile, the energy is saved and the consumption is reduced. In addition, can also realize the AI control of cigarette machine through pronunciation, the automatic switch machine and the automatic switch lamp of cigarette machine are realized to the auto-induction human body, and whether the rotatable panel that further can realize automated inspection is used for keeping off the cigarette bumps the barrier and reports to the police at the rotatory in-process that opens and shuts, has improved the intelligence and the security of cigarette machine.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (15)
1. A range hood with an air curtain, comprising: the smoke collection system comprises a host, a smoke collection cavity and an air curtain system;
the main machine comprises a main machine box shell and a smoke machine fan; the fan of the range hood is positioned in the main case shell;
the smoke collecting cavity is arranged at the lower part of the main case shell so as to surround a smoke inlet at the lower part of the main case shell;
the air curtain system is mechanically connected with the smoke collecting cavity and is used for generating an air curtain between the smoke machine and the cooking bench; the air curtain system comprises an air curtain fan and an air curtain control device;
the air curtain control device is used for determining the current required air curtain air quantity corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air quantity, and enabling the air curtain system to output the current required air curtain air quantity by adjusting the working parameters of the range hood fan according to the corresponding relation between the preset air curtain air quantity and the working parameters of the range hood fan.
2. The machine as claimed in claim 1, wherein the operating parameters include: at least one of wind speed, wind pressure and rotation speed.
3. The machine as claimed in claim 2, wherein the air curtain control means comprises: a first regulation module and at least one wind speed sensor;
the at least one wind speed sensor is arranged around the air outlet of the fan of the range hood at equal intervals and is used for measuring the real-time wind speed of the fan of the range hood;
the first adjusting module is used for determining the current required air curtain air volume corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air volume, determining the required air speed of the range hood fan according to the corresponding relation between the preset air curtain air volume and the air speed of the range hood fan, and adjusting and controlling the real-time air speed of the range hood fan to be equal to the required air speed;
or
The air curtain control device includes: the second adjusting module and at least one wind pressure sensor;
the at least one wind pressure sensor is arranged around the air outlet of the smoke machine fan at equal intervals and used for measuring the real-time wind pressure of the smoke machine fan;
the second adjusting module is used for determining the current required air curtain air volume corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air volume, determining the required air pressure of the range hood fan according to the corresponding relation between the preset air curtain air volume and the air pressure of the range hood fan, and adjusting and controlling the real-time air pressure of the range hood fan to be equal to the required air pressure;
or
The air curtain control device includes: a third adjusting module and a Hall sensor;
a motor rotating shaft of the fan of the range hood is connected with the impeller and is arranged on the volute through a screw;
the Hall sensor is arranged in a motor of the smoke machine fan and used for measuring the real-time rotating speed of the smoke machine fan;
and the third adjusting module is used for determining the current required air curtain air quantity corresponding to the current cooking mode of the cigarette machine according to the corresponding relation between the preset cooking mode and the air curtain air quantity, determining the required rotating speed of the motor of the cigarette machine fan according to the corresponding relation between the preset air curtain air quantity and the rotating speed of the motor, and adjusting and controlling the real-time rotating speed of the motor to be equal to the required rotating speed.
4. The machine as claimed in any one of claims 1 to 3, further comprising: the system comprises a logic control module, a loudspeaker and a microphone;
the microphone is used for collecting a user voice signal and sending the user voice signal to the logic control module;
the logic control module is used for analyzing the user voice signal collected by the microphone and executing a control behavior corresponding to the content of the user voice signal according to a preset control logic; wherein the content of the user voice signal includes at least a user selected cooking mode of the cigarette machine.
5. The machine as claimed in claim 4, further comprising: a human body induction sensor and a first illuminating lamp;
the human body induction sensor is used for inducing a human body signal and sending the human body signal to the logic control module;
the logic control module is also used for controlling the first illuminating lamp to be turned on when the human body signal is received, controlling the loudspeaker to play a power-on inquiry voice to the user, and controlling the cigarette making machine to be turned on when a response that the user agrees to turn on the cigarette making machine is received; the logic control module is also used for controlling the first illuminating lamp to be turned off when the human body signal disappears for a preset time.
6. The machine with an air curtain as in claim 4, wherein the air curtain system further comprises a panel; the panel is a flat plate with the shape and the size matched with the shape of the smoke collection cavity, the upper part of the panel is connected to the smoke collection cavity through a first rotating shaft, and the air curtain fan is installed on one side surface, facing the smoke collection cavity, of the panel; an air curtain is output below the panel;
the cigarette machine still includes: the rotary supporting component comprises a push rod device, a rotary supporting seat and a connecting rod;
the push rod device is arranged on the inner wall of the back of the main case shell and is close to the bottom of the main case shell;
the push rod device includes: the push rod, the push rod groove and the push rod motor;
the push rod is in nested sliding connection with the push rod groove, and the axis of the push rod is perpendicular to the top surface of the shell of the main case;
the rotary supporting seat is fixedly arranged on the inner side of the panel and is close to the lower end of the panel;
one end of the connecting rod is hinged to the bottom end part of the push rod, and the other end of the connecting rod is hinged to the rotary supporting seat;
the push rod motor drives the push rod to linearly move in the push rod groove, so that the panel is driven to rotate around the first rotating shaft to be opened and closed through the connecting rod.
7. A machine as claimed in claim 6, wherein the maximum angle of rotation of the panel open about the first axis of rotation is 53 °.
8. The machine of claim 6, wherein said push rod is provided with a tension and compression sensor, and an angle sensor is arranged between said panel and the smoke collecting chamber;
when the panel is opened/closed relative to the smoke collection cavity, the tension and compression sensor measures the current tension/pressure on the push rod in real time;
the angle sensor is used for measuring the real-time angle of the panel relative to the opening of the smoke collection cavity in real time;
the logic control module is also connected with the tension and compression sensor and the angle sensor; the logic control module is further used for judging whether the current pulling force is larger than the theoretical pulling force corresponding to the real-time angle or not according to the corresponding relation between the preset pulling force and the angle, and if so, controlling to close the panel and control the loudspeaker to send out a preset alarm; the logic control module is further used for judging whether the current pressure is larger than the theoretical pressure corresponding to the real-time angle or not according to the corresponding relation between the preset pressure and the angle, and if yes, the logic control module controls the panel to be opened and controls the loudspeaker to send out a preset alarm.
9. A machine as claimed in claim 6, wherein the plane of the air curtain output by the air curtain system forms a predetermined range of angles with the panel, said predetermined range being from 20 ° to 25 °.
10. An air curtain control method of a range hood with an air curtain, comprising:
acquiring a current cooking mode of the range hood;
determining the current required air curtain air volume corresponding to the current cooking mode of the range hood according to the corresponding relation between the preset cooking mode and the air curtain air volume;
and adjusting the working parameters of the fan of the range hood according to the corresponding relation between the preset air curtain air quantity and the working parameters of the fan of the range hood so that the range hood outputs the current required air curtain air quantity.
11. The air curtain control method of a machine having an air curtain as claimed in claim 10, wherein the operating parameters include: at least one of wind speed, wind pressure and rotation speed.
12. The air curtain control method of the machine with an air curtain as claimed in claim 10 or 11, further comprising:
collecting and analyzing a user voice signal;
executing a control behavior corresponding to the content of the user voice signal according to a preset control logic; wherein the content of the user voice signal includes at least a user selected cooking mode of the cigarette machine.
13. The air curtain control method of a machine with an air curtain as claimed in claim 12, further comprising, before said collecting the user voice signal:
judging whether human body signals are sensed in real time;
when a human body signal is sensed, the first illuminating lamp is controlled to be turned on, and a power-on inquiry voice is played to a user;
and controlling the cigarette machine to start up when receiving a response that the user agrees to start up.
14. The air curtain control method of the machine with an air curtain as claimed in claim 13, further comprising, after said controlling the machine to turn on:
and when the human body signal disappears for a preset time, controlling the first illuminating lamp to be turned off.
15. The air curtain control method for a machine with an air curtain as claimed in claim 12, being used for a machine having a panel that is rotatably openable and closable about the first axis of rotation relative to a smoke collection chamber;
the method further comprises the following steps:
measuring the current tension/pressure on the push rod and the real-time angle of the panel relative to the smoke collection cavity in real time in the process of opening/closing the panel relative to the smoke collection cavity; the push rod is used for pushing/pulling the panel to rotate around the first rotating shaft to open and close;
judging whether the current tension is greater than the theoretical tension corresponding to the real-time angle or not according to a preset corresponding relation between tension and angle, or judging whether the current pressure is greater than the theoretical pressure corresponding to the real-time angle or not according to a preset corresponding relation between pressure and angle;
if the current pulling force is larger than the theoretical pulling force corresponding to the real-time angle, closing the panel and sending a preset alarm; or if the current pressure is greater than the theoretical pressure corresponding to the real-time angle, opening the panel and giving a preset alarm.
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| CN202111143533.1A CN113757749B (en) | 2021-09-28 | 2021-09-28 | Smoke machine with air curtain and air curtain control method thereof |
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| CN202111143533.1A CN113757749B (en) | 2021-09-28 | 2021-09-28 | Smoke machine with air curtain and air curtain control method thereof |
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| CN113757749B (en) | 2023-08-29 |
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