CN111174258A - Fresh air ventilation device for kitchen and control method thereof - Google Patents
Fresh air ventilation device for kitchen and control method thereof Download PDFInfo
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- CN111174258A CN111174258A CN202010102052.5A CN202010102052A CN111174258A CN 111174258 A CN111174258 A CN 111174258A CN 202010102052 A CN202010102052 A CN 202010102052A CN 111174258 A CN111174258 A CN 111174258A
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- 238000009423 ventilation Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000006096 absorbing agent Substances 0.000 claims abstract description 27
- 239000006233 lamp black Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000003517 fume Substances 0.000 claims description 5
- 230000002026 carminative effect Effects 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000284 extract Substances 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 7
- 238000010411 cooking Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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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
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Ventilation (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
Abstract
The invention relates to a fresh air ventilation device for a kitchen and a control method thereof. The existing fresh air ventilation device cannot ensure that a kitchen is in a positive pressure air source, and the smoke exhaust effect is reduced due to the fact that no air source exists in an oil smoke machine. The range hood comprises a controller, a range hood for exhausting smoke from inside to outside, a fresh air path for conveying air from outside to inside and a ventilation air path for exhausting air from inside to outside, wherein the controller comprises a current sensor arranged on the range hood, the range hood is powered on and triggers the current sensor, and the controller controls the fresh air path and the ventilation air path to keep a positive pressure air source in a kitchen space. The air pressure is adjusted through the controller that adds steerable new trend wind path and take a breath wind path in the kitchen space, ensures that the interior air pressure of kitchen space is in the malleation wind regime that is higher than external space atmospheric pressure all the time, and the lampblack absorber of being convenient for extracts the interior air of kitchen space, and then promotes the outer efficiency of arranging of oil smoke, ensures the clean health in kitchen, and the user is healthy and comfortable through reducing oil smoke overflow volume and kitchen air oil smoke volume.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a fresh air interchanger.
Background
A large amount of oil smoke containing solid particles is generated in the kitchen due to cooking operation, and the adverse effect is generated on the health of people. Can set up lampblack absorber and new trend breather in current kitchen, both independent operation, new trend breather include the new trend wind path and take a breath the wind path, and the new trend wind path can promote kitchen interior gas pressure to kitchen space delivery air, and the wind path of taking a breath is outer with kitchen interior gas outward, can reduce kitchen interior gas pressure, and this kind of structure setting can have following defect: the lower and lampblack absorber of external space temperature moves alone, the door and window in kitchen can be in the airtight state of closing, make the lampblack absorber reduce because of there being no wind source leads to the exhaust fume effect, lead to new trend breather can't guarantee that the kitchen is in the malleation wind regime, do not play the gain effect to kitchen pumping oil smoke, lampblack absorber exhaust fume effect greatly reduced, the oil smoke concentration constantly increases in kitchen space and influences user's health and comfortable degree, final oil smoke pumping is not totally deposited and is descended, lead to greasy dirt such as kitchen ground or top of a kitchen range.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a fresh air ventilator for a kitchen and a control method thereof, which ensure that a proper air source is provided for a kitchen space by controlling the working states of a fresh air path and a ventilation air path, particularly a positive pressure air source is provided when the kitchen is closed, effectively improve the air exhaust efficiency of a range hood, ensure the cleanness and sanitation of the kitchen by reducing the oil smoke overflow amount and the oil smoke amount of the kitchen air, and ensure the health and comfort of a user.
The invention is realized by the following modes: the utility model provides a fresh air ventilation device for kitchen, includes the controller, from inside to outside the lampblack absorber of discharging fume, from outside to inside defeated gas's fresh air wind path and from inside to outside carminative wind path of taking a breath, the controller is including setting up the current-sensing ware on the lampblack absorber, and the lampblack absorber circular telegram is opened and is triggered current-sensing ware, and the controller is through controlling fresh air wind path and the wind path of taking a breath so that the kitchen space keeps the malleation wind regime. The kitchen is judged to be in an open state or a closed state through manual switch selection or air pressure sensor learning kitchen sealing information, the efficient oil smoke pumping and exhausting effect of the kitchen space is kept through the control of the controller and the air quantity gears of the fresh air path and the ventilation air path and the cooperation of the controller and the range hood, in addition, the kitchen is ensured to be clean and sanitary through reduction of oil smoke overflow quantity and kitchen air oil smoke quantity, and a user is healthy and comfortable. Specifically, adjust atmospheric pressure through the controller of addding steerable new trend wind path and the wind path of taking a breath in the kitchen space, ensure that the interior atmospheric pressure of kitchen space is in the malleation wind regime that is higher than external space atmospheric pressure all the time, the lampblack absorber of being convenient for extracts the interior air of kitchen space, and then promote the outer efficiency of arranging of oil smoke, ensure the clean health in kitchen, the user is healthy and comfortable through reducing oil smoke excessive quantity and kitchen air oil smoke volume.
Preferably, the controller comprises an external manual shifting gear, the manual shifting gear can be shifted and switched between a kitchen sealing gear and a kitchen exposure gear, and the controller acquires kitchen space sealing information to sense the switching of the kitchen space between the exposure state and the sealing state. The user provides information for the control through manual gear shifting to make the controller obtain the sealed information of the kitchen space, and then effectively control the running state of the fresh air wind path and the ventilation wind path, and ensure that the kitchen space is always in a positive pressure air source which is convenient for oil smoke to be discharged outwards. When the season is in winter, the kitchen door and window are in a closed state, so that the space of a kitchen is sealed, a user needs to switch the manual shifting gear to a kitchen sealing gear, and otherwise, the manual shifting gear is switched to a kitchen exposing gear.
Preferably, the controller comprises an air pressure sensor arranged in the kitchen, and the controller obtains the sealing information of the kitchen space through the air pressure sensor so as to sense the switching of the kitchen space between the open state and the closed state. The air pressure sensor is used for judging the air pressure of the kitchen space and the external space and obtaining the sealing information of the kitchen space, so that a basis is provided for controlling the fresh air path and the ventilation air path. The air pressure sensor is exposed in the kitchen space, and the controller senses the air pressure in the kitchen space through the air pressure sensor and compares the air pressure with the pre-stored air pressure in the external space to obtain the sealing information of the kitchen.
Preferably, a fresh air fan is connected in series in the fresh air path, and the controller adjusts the airflow velocity of the fresh air path by controlling the fresh air fan. The fresh air fan starts and drives the outside air to enter the kitchen space after passing through the fresh air wind path, and the air pressure in the kitchen space is effectively improved. The fresh air fan controls the flow velocity of air flow through rotating speed adjustment.
Preferably, a ventilation fan is connected in series in the ventilation air duct, and the controller controls the ventilation fan to adjust the flow rate of the air in the ventilation air duct. The ventilation fan is started and drives air in the kitchen space to enter the external space after passing through the ventilation air path, so that the effect of assisting the exhaust of air outside the range hood is achieved. The ventilation fan controls the flow rate of air flow through rotation speed adjustment.
A fresh air ventilating method for a kitchen is characterized in that a controller respectively adjusts the air flow velocity of a fresh air wind path and the air flow velocity of a ventilating wind path according to the operation state of a range hood and the sealing information of a kitchen space, and the kitchen is always in a positive pressure air source to be matched with the range hood to keep the efficient oil smoke exhausting effect of the kitchen space. Specifically, the lampblack absorber can switch between open mode and closed condition, the kitchen space can switch between uncovered state and closed condition. The controller orders about new trend wind path and ventilation wind path regulation kitchen space internal gas pressure according to the lampblack absorber state of opening and the sealed information in kitchen space, promotes the outer efficiency of arranging of oil smoke through the exhaust flow who promotes the lampblack absorber to the purifying effect of space oil extraction cigarette is improved to the lampblack absorber in coordination, makes the kitchen air reach clean state fast, ensures that the user is healthy and comfortable, and the sanitation and hygiene of kitchen environment.
In operation, control is achieved by the following control logic:
when the range hood is in an opening state and the kitchen space is in an open state, the airflow speed in the fresh air wind path is in a high-speed state, and the airflow speed in the ventilation wind path is in a high-speed state.
When the range hood is in an opening state and the kitchen space is in a closed state, the airflow speed in the fresh air path is in a high-speed state, and the ventilation air path is closed.
When the range hood is in a closed state, the air flow speed in the fresh air path is in a low-speed state, and the air flow speed in the ventilation air path is in a low-speed state.
Specifically, the range hood can output air to an external space when being started, so that the pressure in a kitchen space is reduced; when the kitchen is sealed, air in the external space is not easy to enter the kitchen space through the gap, so that the kitchen space is not easy to obtain air supplement. When the pressure in the kitchen space is reduced and outside air supplement is not easy to obtain, the kitchen space is in a negative pressure state lower than the air pressure of the outside space for a long time, and then the range hood influences the oil fume emission efficiency due to the reduction of the air extraction quantity. Therefore, by controlling the fresh air path for increasing the air pressure and the ventilation air path for reducing the air pressure, the kitchen space is always ensured to be in the positive pressure air source, and the oil smoke discharge efficiency is improved by opening the ventilation air path.
The invention has the following outstanding beneficial effects: the air pressure is adjusted through the controller that adds steerable new trend wind path and the wind path of taking a breath in kitchen space to make kitchen space keep efficient oil smoke pumping and discharging effect with the lampblack absorber cooperation, provide the malleation wind regime when guaranteeing to airtight kitchen space, the lampblack absorber of being convenient for extracts the interior air of kitchen space, and then promotes the outer efficiency of arranging of oil smoke, guarantees the clean health in kitchen through reducing oil smoke excessive quantity and kitchen air oil smoke volume, and the user is healthy and comfortable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. lampblack absorber, 2, fresh air wind path, 3, ventilation wind path, 4 and current sensor.
Detailed Description
The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the specification.
As shown in fig. 1, the fresh air ventilator for kitchen and the control method thereof are composed of a controller, a range hood 1 discharging smoke from inside to outside, a fresh air path 2 transporting air from outside to inside, and a ventilation air path 3 discharging air from inside to outside, wherein the controller comprises a current sensor 4 arranged on the range hood 1, the range hood 1 is powered on and triggers the current sensor 4, and the controller controls the fresh air path 2 and the ventilation air path 3 to keep a positive pressure air source in a kitchen space. The controller respectively adjusts the airflow speed of the fresh air path 2 and the ventilation air path 3 according to the operation state of the range hood 1 and the sealing information of the kitchen space, so that the kitchen is always in a positive pressure air source. The air pressure is adjusted through the controller which is additionally arranged in the kitchen space and can control the fresh air path 2 and the ventilation air path 3, a positive pressure air source is provided when the airtight kitchen space is ensured, the range hood 1 is convenient to extract air in the kitchen space, the oil smoke discharge efficiency is improved, and the oil smoke suction volume of a user is reduced to ensure the health of the user.
In actual operation, lampblack absorber 1 can switch between open mode and closed state for judge whether the user is cooking the operation, judge the oil smoke volume in the kitchen space then. The kitchen space can switch between uncovered state and closed state, judges whether easily the air exchange circulation between external space and kitchen space from this, whether both conveniently judge and conveniently utilize and realize air cycle automatically, still conveniently judge whether the kitchen space switches into the negative pressure state that is unfavorable for lampblack absorber 1 operation because of the air is outer arranging easily. Therefore, the controller needs to control the working states of the fresh air duct 2 and the ventilation air duct 3 according to the operating state of the range hood 1 and the sealing information of the kitchen space, so as to ensure that the oil smoke is discharged out quickly. Specifically, the fresh air ventilation device realizes control through the following modes:
when the range hood 1 is in an open state and the kitchen space is in an open state, the airflow velocity in the fresh air path 2 is in a high-speed state, and the airflow velocity in the ventilation air path 3 is in a high-speed state. At the moment, the kitchen space is in an open state in which external air can easily flow in, so that the external air can enter the kitchen space through the gap, and the kitchen space is effectively prevented from being in a negative pressure state; the ventilation air path 3 is in a high-speed state, and effectively assists air in the kitchen to be discharged outwards; the fresh air path 2 is in a high-speed state, so that the air pressure in the kitchen space is effectively improved, the kitchen space is in a positive pressure air source, and fresh air can be provided for the kitchen space; the range hood 1 can effectively discharge air in the peripheral space of the range hood, and is beneficial to timely discharging oil smoke generated by cooking.
When the range hood 1 is in an open state and the kitchen space is in a closed state, the airflow speed in the fresh air path 2 is in a high speed state, and the ventilation air path 3 is closed. At this moment, because the kitchen space is in the airtight state that is difficult for the outside air to flow in, the outside air is difficult for getting into the kitchen space through the gap, make the kitchen space be in the negative pressure state because of lampblack absorber 1 opens easily, for this reason, reduce the interior air discharge capacity of kitchen space through closing ventilation air path 3, and provide the outside air for the kitchen space through new air path 2 that is in the high-speed state, increase to admit air through reducing the exhaust and provide the malleation wind regime for the kitchen space, ensure the extraction efficiency of lampblack absorber 1, and then guarantee that peripheral oil smoke is discharged outside by the quick extraction.
When the range hood 1 is in a closed state, the flow velocity of the air flow in the fresh air path 2 is in a low-velocity state, and the flow velocity of the air flow in the ventilation air path 3 is in a low-velocity state. When the range hood 1 is closed, the cooking operation is not performed in a kitchen, and further, a large amount of oil smoke is not added or appears in the kitchen space; the kitchen space is in a closed state, and outside air cannot easily enter the kitchen space through the gap; fresh air wind path 2 and ventilation wind path 3 all are in the low-speed state, and the outside air passes through fresh air wind path 2 and gets into the kitchen space, extrudes the interior air of kitchen space simultaneously and flows back to the outside space through ventilation wind path 3, forms circulation circuit between outside space and kitchen space from this, plays the effect of fresh air ventilation to the kitchen space, or will do the surplus oil smoke pump drainage that kitchen space probably exists behind the kitchen clean for the kitchen space keeps clean health.
In addition, when the range hood 1 is in a closed state and the kitchen space is in an open state, the fresh air path 2 and the ventilation air path 3 can be closed. When the range hood 1 is closed, the cooking operation is not performed in a kitchen, and further a large amount of oil smoke does not appear in the kitchen space; the kitchen space is in an open state, and the outside air easily enters the kitchen space through the gaps, so that the outside space and the kitchen space realize air communication through the gaps, the fresh air duct 2 and the ventilation air duct 3 are not needed, the energy consumption is effectively reduced, and the kitchen space is also regarded as a specific embodiment of the invention.
In practice, the controller may obtain the sealing information of the kitchen space in various ways, including but not limited to the following two ways:
the first method is as follows: the controller comprises an external manual shifting gear, and the manual shifting gear can be shifted and switched between a kitchen sealing gear and a kitchen exposure gear so that the controller can acquire kitchen space sealing information. The user manually and independently controls the manual shifting gear according to the air temperature or the opening and closing state of the door and window assembly, so that the manual shifting gear is switched between the kitchen sealing gear in the closed state and the kitchen exposing gear in the exposing state in the kitchen space, and the controller obtains the sealing information of the kitchen space. In addition, manual shelves of dialling can also be improved for according to outdoor temperature automatically regulated's automatic shelves of dialling, specifically, set up temperature sensor outdoors to set up the threshold value, when ambient temperature reduces, the kitchen space can be switched to the closed condition by the open state because of door and window is closed, ensures that the controller can in time the sealed information of perception kitchen adjusts fresh air ventilator's running state.
The second method comprises the following steps: the controller comprises an air pressure sensor arranged in the kitchen, and the controller acquires the sealing information of the kitchen space through the air pressure sensor so as to sense the switching of the kitchen space between an open state and a closed state. Atmospheric pressure sensor sets up in the kitchen space, effectively promotes and detects the precision in the open ground. In addition, can also add an air pressure sensor who is located 1 air exit of lampblack absorber, the controller learns respectively through two air pressure sensors 1 air intake of lampblack absorber and air outlet peripheral zone's atmospheric pressure value and carries out the comparison, guarantees through new trend breather from this that the interior atmospheric pressure of kitchen space is in the malleation wind regime that is higher than 1 air outlet peripheral zone atmospheric pressure value of lampblack absorber, promotes the efficiency of taking a breath through the wind speed of airing exhaust that promotes lampblack absorber 1.
In actual operation, a fresh air fan is connected in series in the fresh air path 2, and the controller adjusts the airflow velocity of the fresh air path 2 by controlling the fresh air fan. A ventilation fan is connected in series in the ventilation air path 3, and the controller adjusts the airflow rate of the ventilation air path 3 by controlling the ventilation fan. The fresh air fan and the ventilation fan are fans of the same type, and comprise motors with adjustable rotating speeds, volutes connected with corresponding air paths in series and fan blades driven by the motors, and each motor can realize at least two-stage adjustment under the control of the controller, so that the airflow speed adjustment is realized.
In actual operation, the rated current of the range hood during operation is I, the threshold value of the current inductor is I0, and I is greater than I0, and when the current value detected by the current inductor is greater than the threshold value, the current inductor is triggered. Specifically, the rated current of the range hood has a difference according to different rotating speeds of the range hood, and the value of the current corresponding to the range hood at the lowest rotating speed is usually set as I, so that the sensitivity of the current sensor is ensured.
Claims (10)
1. The utility model provides a fresh air ventilation device for kitchen, includes controller, lampblack absorber (1) of discharging fume from inside to outside, the fresh air wind path (2) of defeated gas from outside to inside and from inside to outside carminative wind path of taking a breath (3), its characterized in that, the controller is including setting up current-sensing ware (4) on lampblack absorber (1), and lampblack absorber (1) circular telegram is opened and trigger current-sensing ware (4), and the controller is through controlling fresh air wind path (2) and wind path of taking a breath (3) so that the kitchen space keeps the malleation wind regime.
2. A fresh air ventilator for kitchen use according to claim 1 characterized in that said controller comprises an external manual shift which can be toggled between a kitchen sealing shift and a kitchen open shift, and said controller is informed of the kitchen space sealing information to sense the switching of the kitchen space between the open state and the closed state.
3. A fresh air ventilating device for kitchen use according to claim 1, wherein the controller comprises an air pressure sensor disposed in the kitchen, and the controller obtains the sealing information of the kitchen space through the air pressure sensor to sense the switching of the kitchen space between the open state and the closed state.
4. The fresh air ventilator as claimed in claim 1, wherein a fresh air blower is connected in series in the fresh air path (2), and the controller controls the fresh air blower to adjust the flow rate of the fresh air path (2).
5. The fresh air ventilator for kitchen according to claim 1, wherein a ventilation fan is connected in series in the ventilation air duct (3), and the controller adjusts the air flow rate of the ventilation air duct (3) by controlling the ventilation fan.
6. A fresh air ventilating method for a kitchen is characterized in that a controller respectively adjusts the air flow speed of a fresh air path (2) and a ventilating air path (3) according to the running state of a range hood (1) and the sealing information of a kitchen space, so that the kitchen is always in a positive pressure air source.
7. A fresh air ventilating method for kitchen according to claim 6, characterized in that said hood (1) is switchable between an open state and a closed state, said kitchen space being switchable between an open state and a closed state.
8. A fresh air ventilating method for kitchen according to claim 7, characterized in that when the range hood (1) is in open state and the kitchen space is in open state, the air flow rate in the fresh air path (2) is in high speed state and the air flow rate in the ventilating air path (3) is in high speed state.
9. A fresh air ventilating method for kitchen according to claim 7, characterized in that when the range hood (1) is in open state and the kitchen space is in closed state, the air flow velocity in the fresh air duct (2) is in high speed state and the ventilating air duct (3) is closed.
10. A fresh air ventilating method for kitchen according to claim 7, characterized in that when the range hood (1) is in the closed state, the air flow rate in the fresh air path (2) is in the low speed state, and the air flow rate in the ventilating air path (3) is in the low speed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102052.5A CN111174258A (en) | 2020-02-19 | 2020-02-19 | Fresh air ventilation device for kitchen and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010102052.5A CN111174258A (en) | 2020-02-19 | 2020-02-19 | Fresh air ventilation device for kitchen and control method thereof |
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| CN111174258A true CN111174258A (en) | 2020-05-19 |
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| CN202010102052.5A Pending CN111174258A (en) | 2020-02-19 | 2020-02-19 | Fresh air ventilation device for kitchen and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878958A (en) * | 2020-06-17 | 2020-11-03 | 华帝股份有限公司 | Fresh air system capable of being started and stopped automatically and control method thereof |
| CN113531853A (en) * | 2021-06-29 | 2021-10-22 | 青岛海尔空调器有限总公司 | Kitchen air conditioner control method, device and equipment |
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| CN113531853A (en) * | 2021-06-29 | 2021-10-22 | 青岛海尔空调器有限总公司 | Kitchen air conditioner control method, device and equipment |
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