CN113251517A - Fresh air ventilation system and control method - Google Patents
Fresh air ventilation system and control method Download PDFInfo
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- CN113251517A CN113251517A CN202110459617.XA CN202110459617A CN113251517A CN 113251517 A CN113251517 A CN 113251517A CN 202110459617 A CN202110459617 A CN 202110459617A CN 113251517 A CN113251517 A CN 113251517A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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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
- F24F7/08—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 with separate ducts for supplied and exhausted air with provisions for reversal of the input and output 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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus
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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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- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a fresh air ventilation system and a control method, wherein the fresh air ventilation system comprises a range hood, a fan and a controller, wherein the range hood is at least used for discharging air in at least one room outwards; the first air quality detection device is used for detecting air quality parameters in at least one room and transmitting the air quality parameters to the central control module; and the central control module is at least used for controlling the running state of the range hood according to the acquired air quality parameter information. The first air quality detection device detects air quality parameters in a room, controls the range hood to discharge air to be replaced according to the air quality parameters, and ensures the air quality in the room; in addition, the range hood is used as an exhaust device of the fresh air ventilation system, so that the range hood not only can play the role of a common range hood, but also can exhaust air in other rooms when the air in the rooms needs to be refreshed, and the fresh air ventilation system and the range hood are integrated, so that the occupied area is reduced, and the living cost is reduced.
Description
Technical Field
The invention belongs to the field of household appliances, and particularly relates to a fresh air ventilation system and a control method.
Background
At present, with the rapid development of society and the rapid improvement of people's living standard, healthy, energy-saving, simple, reliable fresh air ventilation system and fresh air equipment have become the focus of common attention of buildings, air conditioner designs and users, and fresh air ventilators are born in response to the requirements. The fresh air ventilator is used for replacing indoor air, the indoor air can be kept fresh, however, a complete fresh air ventilator system is not valuable, few is thousands of yuan, more is tens of thousands of yuan, the installation is complex, and the fresh air ventilator can be popularized and used by people who are not ordinary. However, the range hood becomes a necessary product for the existing families, the popularization rate is very high, and the existing open kitchen with a building structure is very common, so that the range hood can be considered to replace a power device, namely a fan, of the existing fresh air ventilation system to exhaust indoor air to the outdoor.
Chinese patent application No. CN201610598493.2 discloses an intelligent fresh air ventilation device for improving indoor air environment, which utilizes existing fans such as kitchen range hoods and toilet exhaust fans to perform air extraction, and uses an intelligent air inlet with functions of filtering, dedusting, heating, opening and closing to perform air inlet so as to improve indoor air environment.
Fresh air ventilator in the above-mentioned scheme, though the fan that has utilized the suction lampblack absorber carries out convulsions, but open the suction lampblack absorber through user's manual, in-process at the user's three meals cooking, to indoor taking a breath, running state through artifical manual control fresh air ventilator promptly, fresh air ventilator can not automatic identification indoor air quality, judge whether need take a breath, more can not be in automatic identification indoor automatic opening device under the condition that needs take a breath, in addition, also can not detect whether the fresh air after indoor taking a breath reaches the standard value that accords with user's healthy demand.
The present invention has been made in view of the above technical drawbacks.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a fresh air ventilation system which can detect the air quality in a room and treat the air in the room by using a range hood as an exhaust device or a purification system, so that the air quality in the room is ensured, and the cost for a user to purchase household appliances is reduced.
In order to solve the technical problems, the invention adopts the technical scheme that:
a fresh air ventilation system comprises a fresh air supply device,
the range hood is at least used for exhausting the air in at least one room;
the first air quality detection device is used for detecting air quality parameters in at least one room and transmitting the air quality parameters to the central control module;
and the central control module is at least used for controlling the running state of the range hood according to the acquired air quality parameter information.
By adopting the scheme, the first air quality detection device detects the air quality parameters in the room, controls the running state of the range hood according to the air quality parameters, and at least can discharge the air to be replaced so as to ensure the air quality in the room. The range hood is used as the exhaust device of the fresh air ventilation system, so that the range hood can extract oil smoke in a kitchen when a user cooks to play the function of a common range hood, and can exhaust air in a room when the air in other rooms needs to be refreshed, thereby reducing the occupied area of the exhaust device provided with the fresh air device and reducing the cost for purchasing the fresh air system.
The air inlet device is used for communicating the interior of at least one room with the external environment and introducing fresh air into the room;
the air inlet device comprises a plurality of air inlets,
the air inlet unit is communicated with the inside of at least one room and the external environment and is used for introducing fresh air into the room;
and the electric valve is arranged on the air inlet unit and used for controlling the on-off of the air path according to the control information sent by the central control module.
By adopting the above scheme, the air inlet device communicates the interior of the room with the external environment, and the electric valve can automatically control the on-off of the air passage according to the control information sent by the central control module, so that the intelligence of the fresh air ventilation system is realized.
Furthermore, the fresh air treatment device is used for treating fresh air introduced into the room;
the fresh air processing device comprises a purification unit for filtering and purifying fresh air introduced into a room;
preferably, the purification unit is mounted on the intake unit;
preferably, the purification unit is installed inside the air intake unit.
Through adopting above-mentioned scheme, purification unit can filter and purification treatment the new trend that lets in the room, guarantees the quality of the air that gets into in the room. In addition, the purification unit is arranged in the air inlet unit, and only the fresh air entering the room through the air inlet unit can be treated, so that unnecessary purification and resource waste are prevented.
Furthermore, a second air quality detection device is arranged on the air inlet unit and used for detecting the air quality parameters of the purified fresh air.
By adopting the above scheme, detect the air quality parameter of the new trend after the purification, guarantee the quality of the new trend that lets in the room, be favorable to user's health.
Furthermore, the fresh air processing device comprises a temperature adjusting unit which is arranged on the air inlet unit and used for heating or cooling the fresh air introduced into the room;
preferably, the temperature adjusting unit is installed at the downstream of the purifying unit and used for heating or cooling the purified fresh air;
preferably, the air inlet unit is further provided with a temperature detection device for detecting the temperature of the fresh air introduced into the room.
Through adopting above-mentioned scheme, temperature-detecting device and temperature regulation unit cooperation heat or cooling treatment to the new trend that lets in the room or the new trend after the purification, guarantee that the temperature of the air that newly trades accords with the temperature of user's demand, prevent because the air that newly trades is too big with the difference in temperature in the room, lead to the room interior gas temperature to rise by a wide margin or descend, bring not good experience effect for the user. In addition, the temperature adjusting unit is positioned at the downstream of the purifying unit, so that unnecessary heating or cooling can be avoided, the heating or cooling efficiency can be improved, and energy can be saved.
Furthermore, the range hood is a dual-purpose range hood integrating an external exhaust type and a circulating type;
preferably, the range hood is provided with a hood panel for controlling the operation of the range hood.
By adopting the scheme, the air in the room can be renewed by using the outward discharge function under the condition of poor air quality in the room; when the air quality in the room is not very poor, the air in the room is filtered and purified by utilizing the self-purification function of the range hood and then is recycled in the room, so that the constancy of the air temperature and the humidity in the room is ensured, and the resource waste caused by air exchange, heating or cooling can be reduced. In addition, the range hood is provided with an independent range hood panel, the operation of the range hood is controlled, and the air pumping and exhausting functions of the range hood can be exerted independently.
Further, the fresh air ventilation system also comprises an operation and control module used for operating the running state of the fresh air ventilation system;
the control module comprises a terminal control unit, a control module and a control module, wherein the terminal control unit is used for receiving and displaying the running state and/or detection information of the fresh air ventilation system and controlling the running or stopping of the fresh air ventilation system;
preferably, the terminal control unit comprises a mobile terminal for receiving and displaying the operation state and/or detection information of the fresh air ventilation system, and remotely controlling the operation or stop of the fresh air ventilation system.
By adopting the above scheme, the user can acquire this new trend air exchange system's operation conditions and detected data through multiple mode to and control this new trend air exchange system through multiple mode, and control mode is diversified, provides convenience for the user.
Another objective of the present invention is to provide a control method of the above fresh air ventilating system, which includes the steps of,
s1, acquiring indoor air quality parameters, and comparing the indoor air quality parameters with set parameters;
and S2, processing the air in the room when the air quality in the room is judged not to meet the standard.
By adopting the scheme, the air quality parameters in the room are obtained, the air quality in the room can be judged by comparing the obtained air quality parameters with the set parameters, and the air quality in the room is processed by judging when the air quality in the room does not reach the standard, so that the air quality in the room can be ensured, and the health of a user is facilitated.
Further, the step S2, including the step S21,
when the air quality parameter is judged to be in the first parameter interval, sending a signal for prompting the start of a purification cycle program, and performing purification cycle on the air in the room;
and when the air quality parameter is judged to be in the second parameter interval, sending a signal for prompting to start a fresh air ventilation program, and replacing the air in the room.
Further, the step S2 of processing the air in the room includes the steps of,
starting a purification circulation program, and purifying and circulating the air in the room by using the self purification circulation function of the range hood;
and starting a fresh air ventilation program, controlling the air to be exhausted from the room and ventilating from the external environment to the room, and replacing the indoor air.
By adopting the scheme, under the condition that the air quality in the room is not poor, the air in the room is filtered and purified by utilizing the self-purification function of the range hood and then is recycled into the room, so that the constancy of the air temperature and the humidity in the room can be ensured, and the resource waste caused by air exchange and heating or cooling can be reduced; under the condition that the air quality in the room is poor, the dirty air in the room is discharged, fresh air is supplemented, and the air in the room is replaced.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The first air quality detection device detects air quality parameters in a room, controls the running state of the range hood according to the air quality parameters, and at least can discharge air to be replaced to ensure the air quality in the room. The range hood is used as the exhaust device of the fresh air ventilation system, so that the range hood can extract oil smoke in a kitchen when a user cooks to play the function of a common range hood, and can exhaust air in a room when the air in other rooms needs to be refreshed, thereby reducing the occupied area of the exhaust device provided with the fresh air device and reducing the cost for purchasing the fresh air system.
2. The purification unit can filter and purify the fresh air introduced into the room, and the second air quality detection device detects the air quality parameters of the purified fresh air to ensure the quality of the air entering the room; the temperature detection device is matched with the temperature adjusting unit to heat or cool the air introduced into the room or the purified air, so that the air temperature of the newly-changed air is ensured to meet the air temperature required by a user, and the phenomenon that the air temperature in the room is greatly increased or decreased due to the overlarge temperature difference between the newly-changed air and the room is prevented.
3. The range hood is a dual-purpose range hood integrating an external exhaust type mode and a circulating type mode, the external exhaust or circulating mode of the range hood can be selected according to needs, the function of treating air is exerted to the maximum extent, and unnecessary resource waste is prevented.
4. The control mode of the fresh air ventilation system is diversified, and convenience is provided for users.
5. When the air quality in the room does not reach the standard, the central control module can control the selection program according to the parameter information detected by the first air quality detection device, and under the condition that the air quality in the room is poor, dirty air in the room is discharged, fresh air is supplemented, and the air in the room is replaced; under the condition that the air quality in the room is not poor, the self purification function of the range hood is utilized to filter and purify the air in the room and then recycle the air into the room, so that the constancy of the air temperature and the humidity in the room can be ensured, and the resource waste caused by air exchange, heating or cooling can be reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of the new air ventilation system of the present invention;
FIG. 2 is a flow chart of a control method of the fresh air ventilating system according to the present invention;
fig. 3 is a flow chart illustrating a control method of the fresh air ventilating system according to an embodiment of the present invention.
In the figure: 1. a central control module; 2. a range hood; 21. an exhaust device; 22. a panel of a range hood; 23. a purification and circulation device; 3. an air intake device; 31. an air intake unit; 32. an electrically operated valve; 4. a pressure detection device; 5. a fresh air processing device; 51. a purification unit; 52. a temperature adjusting unit; 6. a temperature detection device; 7. a control module; 71. a terminal control unit; 711. a mobile terminal; 712. a control panel; 81. a first air quality detection device; 82. and a second air quality detection device.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the fresh air ventilation system of the present invention includes a range hood 2 at least for exhausting air in at least one room; a first air quality detection device 81 for detecting air quality parameters in at least one room and transmitting the detected air quality parameters to the central control module 1; and the central control module 1 is at least used for controlling the running state of the range hood 2 according to the acquired air quality parameter information.
The first air quality detection device 81 is in signal transmission connection with the range hood 2 and comprises O2Sensor, CO2Sensor, PM2.5 sensor, ammonia gas sensor, TVOC sensor, H2S-sensor, etc.
In one embodiment, the first air quality detecting device 81 is provided in plurality and is respectively installed in a kitchen and in a plurality of or all rooms except the kitchen, so as to realize multi-directional detection of indoor air quality.
The range hood 2 comprises an exhaust device 21, and the exhaust device 21 comprises a fan for extracting air and an exhaust pipe for guiding the extracted air out of the room.
The fresh air ventilation system also comprises an air inlet device 3, wherein the air inlet device is used for communicating the interior of at least one room with the external environment and introducing fresh air into the room; the air inlet device 3 comprises an air inlet unit 31 which is communicated with the inside of at least one room and the external environment and is used for introducing fresh air into the room; and the electric valve 32 is installed on the air inlet unit 31 and used for controlling the on-off of an air path according to the control information sent by the central control module 1.
The air inlet unit 31 is an air inlet pipe or an air inlet bin which is communicated with the inside of the room and the external environment, and the electric valve 32 is arranged at the upstream of the air inlet pipe or the air inlet bin and is positioned at the inlet end of the air inlet pipe or the air inlet bin or at a position close to the inlet end. The air intake device 3 further includes an air intake power device for blowing air into the air intake unit 31 from the outside.
As an embodiment, the range hood 2 is installed in a kitchen, the air inlet device 3 is provided with at least one air inlet device, the air inlet device is at least installed in a room far away from the kitchen, the room provided with the air inlet device 3 can be communicated with other rooms in an openable and closable manner through a door or a communication device, the exhaust device 21 and the room provided with the air inlet device 3 can be communicated in an openable and closable manner through the door or the communication device, and a fresh air passage can be formed in the whole room and used for replacing air in at least one room.
Preferably, the plurality of air inlet devices 3 are respectively installed in a room provided with the first air quality detection device 81, and a passage is formed between each room provided with the air inlet device 3 and the exhaust device 21 of the range hood 2, so that fresh air introduced from the air inlet unit 31 can be finally exhausted through the exhaust device 21. When detecting that the air quality at a certain position does not reach the standard, controlling the range hood 2 to exhaust outwards, starting the air inlet device 3 at the position to ventilate the room, and replacing the air in the room.
Furthermore, the fresh air ventilation system of the invention also comprises a pressure detection device 4, which is used for detecting the air pressure in at least one room and transmitting the air pressure to the central control module 1; and the central control module 1 is used for controlling the opening of the electric valve 32 according to the acquired air pressure parameter information.
As an embodiment, the living room is an open space, and other rooms are communicated with the kitchen through doors of all rooms and the living room, the pressure detection device 4 is at least installed in the living room, and after the room to be replaced is communicated with the exhaust device 21, the pressure detection device plays a role in detecting pressure under the action of air circulation pressure equalization.
As a preferred scheme, a plurality of pressure detection devices 4 are arranged and are respectively installed in a kitchen and a plurality of or all rooms except the kitchen, so that the multi-directional detection of the indoor air pressure parameters is realized.
The fresh air ventilation system also comprises a fresh air processing device 5 which is used for processing the fresh air introduced into the room; the fresh air processing device 5 comprises a purification unit 51 for filtering and purifying fresh air introduced into the room.
The purification unit 51 is installed on the air intake unit 31, and further, the purification unit 51 is installed inside the air intake unit 31 and located downstream of the electric valve 32, and is used for purifying fresh air to be introduced into a room.
The purification unit 51 comprises a filter, a filter screen, an ozone generator and the like, wherein the filter comprises a non-woven fabric layer, a styrene-divinylbenzene crosslinked adsorption resin filter layer, an activated carbon layer, a bamboo charcoal fiber layer, a nylon layer, a wool fiber layer, a polyphenylene sulfide fiber layer, a glass fiber layer, a carbon nanofiber fabric layer and the like.
The purification unit 51 of the invention can filter and purify the fresh air to be introduced into the room, thereby ensuring the quality of the fresh air entering the room. Further, the purifying unit 51 is installed inside the air intake unit 31 and located downstream of the electric valve 32, and only fresh air entering the room through the air intake unit 31 can be processed, thereby preventing unnecessary purification and wasting resources.
And a second air quality detection device 82 is arranged on the air inlet unit and used for detecting the air quality parameters of the purified fresh air. Preferably, the second air quality detecting device 82 is installed inside the air intake unit 31.
The fresh air processing device 5 further comprises a temperature adjusting unit 52, which is installed on the air inlet unit 31 and used for heating or cooling the fresh air introduced into the room.
Further, the temperature adjusting unit 52 is located downstream of the purifying unit 51, and is used for heating or cooling the purified fresh air.
The air inlet unit 31 is further provided with a temperature detection device 6 for detecting the temperature of the fresh air to be introduced into the room and/or the temperature of the processed fresh air.
Further, the temperature detection device 6 is installed downstream of the purification unit 51, and is configured to detect the temperature of the purified fresh air and the temperature of the heated/cooled fresh air.
As an embodiment, the air intake unit 31 includes a purification chamber and a fresh air temperature processing chamber, the purification unit 51 and the second air quality detection device 82 are installed in the purification chamber, the second air quality detection device 82 detects the air quality parameter of the purified fresh air, if the air quality reaches the standard, the fresh air temperature processing chamber is directly introduced, otherwise, the air is continuously purified until the air quality reaches the standard, and the fresh air temperature processing chamber is introduced.
Be equipped with temperature-detecting device 6 in the new trend temperature treatment room, be located the new trend temperature treatment indoor that lets in of temperature-detecting device 6 detection after the new trend temperature treatment detects the purification in the new trend temperature treatment room, if the new trend temperature meets the requirements, then directly let in the room, otherwise heat/cool off the new trend through temperature regulation unit 52, until the new trend temperature meets the requirements. In the scheme, a valve for controlling fresh air to enter the room from the fresh air temperature processing chamber is arranged on the fresh air temperature processing chamber, if the temperature of the fresh air meets the requirement, the valve is opened, otherwise, the valve is in a closed state, and the valve is an electrically controlled electric valve.
The temperature detection device 6 of the invention is matched with the temperature adjusting unit 52 to heat or cool the purified air, so as to ensure that the temperature of the newly-replaced air meets the air temperature required by the user, prevent the air temperature in the room from greatly rising or falling due to overlarge temperature difference between the newly-replaced air and the room, and bring a bad experience effect to the user. In addition, the temperature adjusting unit 52 is located downstream of the purifying unit 51, which can avoid unnecessary heating or cooling, improve heating or cooling efficiency, and save energy.
The range hood 2 is a dual-purpose range hood integrating an external exhaust type and a circulation type, that is, the range hood 2 further comprises a purification and circulation device 23. The purification and circulation device 23 comprises a purification part, the purification and circulation device 23 utilizes a fan to extract air in a room, the extracted air is introduced into the purification part, and then purified fresh air is discharged into the room from the other end of the purification part through an exhaust part, so that the purpose of purifying the air in the room is achieved.
As an embodiment, when the first air quality detecting device 81 detects that only one air quality in the room does not reach the standard, or the air quality in a plurality of places in the room does not reach the standard but all the air quality is within the first parameter range, the air in the room is circularly purified by the purifying and circulating device 23; when the first air quality detection device 81 detects that the air quality at a plurality of positions in the room does not reach the standard and at least one position is located in the second parameter range, the exhaust function of the range hood 2 is started to exhaust air outwards, the air inlet device 3 is started to introduce air into the room, and replacement of air in the room is achieved.
Preferably, the range hood 2 comprises a range hood panel 22 for displaying and controlling the operation of the range hood 2, and the range hood panel 22 only controls the operation of the range hood 2, so that the range hood 2 can be independently opened to exhaust when a user cooks three meals a day, and then the effect of automatic air supply is achieved through the pressure difference between the room and the external environment, and the purpose of air exchange in the room is achieved. Because the oil smoke is large in the cooking process, if the air is exchanged through the air inlet device 3 of the fresh air exchange system, the energy consumption is large, at the moment, only the range hood 2 is used for exhausting the oil smoke, the aim of replacing the air in the kitchen is achieved through the natural pressure difference, and resources can be saved. If the user feels that the air exchange rate is slow under the condition, the fresh air exchange system can be started to exchange air under the condition that the range hood 2 discharges most of oil smoke, so that the purposes of improving the air exchange rate and saving energy are achieved; further, when the fresh air ventilation system changes air to the standard that the air quality in the room is close to the requirement of the user, the purification and circulation device 23 of the range hood 2 can be started, the range hood 2 is used for purifying the air in the room, and resource waste caused by heating/cooling the purified fresh air can be avoided.
The range hood 2 of the invention is a dual-purpose range hood integrating an external exhaust type and a circulation type, and can replace the air in a room by using an external exhaust function under the condition of poor air quality in the room; when the air quality in the room is not very poor, the air in the room is filtered and purified by utilizing the self-purification function of the range hood 2 and then is recycled in the room, so that the constancy of the air temperature and the humidity in the room is ensured, and the resource waste caused by air exchange, heating or cooling can be reduced. In addition, the range hood 2 is provided with an independent range hood panel 22, the operation of the range hood 2 is controlled, and the air pumping and exhausting functions of the range hood 2 can be exerted independently.
The fresh air ventilation system also comprises an operation module 7 for controlling the running state of the fresh air ventilation system; the control module 7 comprises a terminal control unit 71, which is used for receiving and displaying the running state and/or detection information of the fresh air ventilation system, and controlling the running or stopping of the fresh air ventilation system; the terminal control unit 71 comprises a mobile terminal 711, which is used for receiving and displaying the running state and/or detection information of the fresh air ventilation system, and remotely controlling the running or stopping of the fresh air ventilation system; and the control panel 712 is used for receiving and displaying the operation state and/or detection information of the fresh air ventilation system, and controlling the operation or stop of the fresh air ventilation system.
The mobile terminal 711 includes a mobile phone, a watch, a tablet, and the like. The user can directly control the control panel 712 to control the operation of the fresh air ventilation system at home, or can ventilate the room in advance under the condition that the user is not at home, and then get home under the condition that the air in the room meets the requirements.
The central control module 1 receives the instruction sent by the control module 7 and sends the instruction to the fresh air ventilation system, receives the feedback data/information of the fresh air ventilation system, processes the data/information and sends the processed data/information to the control module 7.
As shown in fig. 2 and 3, the control method of the fresh air ventilating system of the present invention includes the steps of,
s1, acquiring indoor air quality parameters, and comparing the indoor air quality parameters with set parameters;
and S2, processing the air in the room when the air quality in the room is judged not to meet the standard.
In step S1, the air quality parameters in the rooms are obtained, and the comparison with the set parameters is performed in such a manner that the first air quality detection device 81 in each room detects the air quality parameters in each room, and then sends the air quality parameters to the central control module 1, and the central control module 1 compares the received air quality parameters with the set parameters to determine whether the air quality reaches the standard.
In step S2, the manner of determining whether the air quality meets the standard is: when O is detected2The content and concentration are lower than the minimum set value, and/or CO2Concentration, PM2.5 concentration, Ammonia concentration, TVOC concentration and H2And if at least one of the S concentration and the like is higher than the highest set value, the air quality does not reach the standard, otherwise, the air quality is considered to reach the standard.
As shown in fig. 3, the step S2 includes a step S21, which is to send a signal prompting to start a purification cycle program to perform a purification cycle on the air in the room when the air quality parameter is determined to be in the first parameter interval; and when the air quality parameter is judged to be in the second parameter interval, sending a signal for prompting to start a fresh air ventilation program, and replacing the air in the room.
The specific process of step S21 is that the central control module 1 compares the detected air parameter with the set parameter, and sends a signal prompting to start the purification cycle program to the terminal control unit 71 when the detected air parameter is within the first parameter interval; and when the detected air parameter is within the second parameter interval, sending a signal for prompting the start of the fresh air ventilation program to the terminal control unit 71.
The first parameter interval comprises2The content and concentration are lower than the minimum set value and higher than the value X, CO2The concentration, PM2.5 concentration, ammonia concentration, TVOC concentration and H2S concentration are higher than the highest set value and lower than the value Y; the second parameter interval comprises2The content and concentration are not higher than the value X, the concentration of CO2, the concentration of PM2.5, the concentration of ammonia, the concentration of TVOC and the concentration of H2S are not lower than the value Y.
Further, the step S2 includes a step of sending a signal prompting the start of the cleaning cycle program when the first air quality detecting device 81 detects that the air quality in only one room is not up to the standard.
The step S2 of processing the air in the room includes the steps of,
starting a purification circulation program, and purifying and circulating the air in the room by the range hood 2 by utilizing the purification circulation function of the range hood;
and starting a fresh air ventilation program, controlling the air to be exhausted from the room and ventilating from the external environment to the room, and replacing the indoor air.
The step starts a purification cycle program, and the step is also provided before, wherein the step detects that the frequency and/or time of sending a signal for prompting the start of the purification cycle program reaches a set value, and starts the purification cycle program, or receives the signal for starting the purification cycle program and starts the purification cycle program.
The start-up purge cycle procedure includes the step of opening the purge cycle device 23 of the range hood 2.
The method comprises the following steps of starting a fresh air ventilation program, wherein the previous step is also provided, detecting that the frequency and/or time of sending a signal prompting the start of the fresh air ventilation program reaches a set value, starting the fresh air ventilation program, or receiving the signal prompting the start of the fresh air ventilation program, and starting a purification cycle program.
The step of starting the fresh air ventilation program comprises the step of sending a signal for prompting starting of the exhaust program.
The control mode of the fresh air ventilation system comprises mobile terminal 711 control and control panel 712 control, and the feedback signal received by the fresh air ventilation system comprises a remote signal sent by the mobile terminal 711 and a signal sent by the control panel 712. The alert signal may be in the form of a voice alert or an alert tone.
And after the signal for prompting the starting of the exhaust program is sent, the step of detecting that the frequency and/or time for sending the signal for prompting the starting of the exhaust program reaches a set value, and starting the exhaust program or starting the exhaust program after receiving the signal for starting the exhaust program.
The specific process is that the central control module 1 sends a signal for prompting starting of the exhaust program to the terminal control unit 71, and after a user receives the signal through the terminal control unit 71, the user confirms starting/refusing to start the exhaust program; or the number of times and/or time of the prompt signal reach a set value, and the central control module 1 directly controls and starts the exhaust program. After the exhaust routine is started, the routine controls to open the exhaust device 21 to exhaust the air.
The step S2 further includes a step S20 of opening the air intake device 3 to ventilate the room.
In one embodiment, in step S20, the pressure in the room is detected in step S200 before the air inlet device 3 is opened, and when it is determined that the pressure has dropped to the set value P1, the air inlet device 3 is opened to ventilate the room.
The step S200 includes the step of intermittently changing the pressure in the room so that the pressure stage in the room is raised.
Specifically, the step S200 includes the steps of,
s2001, when the pressure in the room is reduced to a set value P1, opening the electric valve 32, adjusting the air speed, and maintaining the pressure in the room at a set time P1 for a set time t 1;
s2002, after the indoor pressure is maintained to be P1 for the set time t1, the opening angle of the electric valve 32 is increased, the indoor pressure is detected, and when the indoor pressure is increased to be P11, the indoor pressure is maintained to be P11 for the set time t 11;
s2003, after the indoor pressure is maintained to be P11 for the set time t11, the opening angle of the electric valve 32 is increased, the indoor pressure is detected, and when the indoor pressure is increased to be P12, the indoor pressure is maintained to be P12 for the set time t 12;
s2004 and so on until the pressure in the room rises to P2;
the P1 < P2.
The t1, t11 and t12 are the same or different in time.
If the electric valve 32 is opened to the maximum opening angle a, the air intake rate cannot be made greater than the air discharge rate, and the room pressure is increased to P2, the air discharge rate is decreased, so that the air intake rate is greater than the air discharge rate at least in the state that the electric valve 32 is opened to the maximum opening angle a, and the room pressure is increased to P2.
In one embodiment, t1 is not less than t11 is not less than t12, and the polluted air in the room can be conveniently discharged as much as possible by maintaining a long room in a state where the pressure difference between the inside and the outside of the room is large because the quality of the air in the room is poor in the early stage of ventilation.
And step S2, after the air in the room is processed, step S3 is also provided, the quality parameters of the air in the room are obtained, the quality parameters are compared with the set parameters, whether the set parameters are reached or not is judged, if yes, the air in the room is stopped from being purified and circulated/the air inlet and the air exhaust are stopped, otherwise, the steps S2 and S3 are executed until the quality parameters of the air in the room reach the set parameters, and the air in the room is stopped from being purified and circulated/the air inlet and the air exhaust are stopped.
The indoor air quality parameter reaching the set parameter means that2The content and the concentration are not lower than the highest set value; CO22Concentration, PM2.5 concentration, Ammonia concentration, TVOC concentration and H2The concentration of S and the like are not higher than the lowest set value.
In step S2, after the electric valve 32 is opened, there is step S2a in which the fresh air to be introduced into the room is purified. The fresh air introduced into the room is purified, so that the quality of the fresh air entering the room is ensured, and the physical and psychological health of a user is facilitated.
Further, step S2a is a step before performing purification, in which an air quality parameter of fresh air to be introduced into a room is detected, the detected air quality parameter is compared with a set parameter, whether the detected air quality parameter reaches the set parameter is judged, and if the detected air quality parameter reaches the set parameter, the next step is performed; otherwise, step S2a is performed.
The step S2a includes the step of opening the purge unit 51, and the step S2a of opening the purge unit 51 and the step S31 of opening the electric valve 32 are performed simultaneously, or the electric valve 32 is opened before the purge unit 51 is opened.
And the step S2a of performing purification further comprises the steps of detecting the air quality parameter of the purified fresh air, comparing the detected air quality parameter with the set parameter, judging whether the air quality parameter reaches the set parameter, if so, performing the next step, and if not, continuing to perform purification until the air quality parameter of the purified fresh air reaches the set value.
The specific process is that the second air quality detection device 82 detects the air quality parameter of the fresh air to be introduced into the room, and sends the parameter to the central control module 1, the central control module 1 compares the parameter with the set parameter to judge whether the fresh air reaches the set parameter, if so, the central control module 1 controls to execute the next step, otherwise, the central control module 1 controls to execute the step S2a to purify the fresh air to be introduced into the room, and compares the air quality parameter of the purified fresh air detected by the second air quality detection device 82 with the set parameter until the air quality parameter of the purified fresh air detected by the second air quality detection device 82 reaches the set parameter, and then executes the next step.
Further, after the step S2a is executed for purification, there is a step of adjusting the temperature of the purified fresh air; the step of adjusting the temperature of the purified fresh air comprises the steps of detecting the temperature of the purified fresh air; if the temperature of the purified fresh air is judged to be lower than a first preset value T1, heating the purified fresh air; if the temperature of the purified fresh air is judged to be higher than a second preset value T2, cooling the purified fresh air;
otherwise, directly introducing the purified fresh air into the room; the T1 < T2.
And detecting the temperature of the heated/cooled fresh air, if the temperature of the heated/cooled fresh air meets the requirement, namely the temperature of the heated/cooled fresh air is not lower than a first preset value T1 and not higher than a second preset value T2, discharging the heated/cooled fresh air into a room, otherwise, continuing to heat/cool the purified fresh air until the temperature meets the requirement.
The specific process is that the temperature detection device 6 detects the temperature of the purified fresh air to be introduced into the room, and sends the temperature parameter to the central control module 1, the central control module 1 compares the temperature parameter with the set temperature parameters T1 and T2, if the temperature of the fresh air is judged to be not less than T1 and not more than T2, the purified fresh air is controlled to be introduced into the room, otherwise, the central control module 1 controls the execution step, the purified fresh air is heated or cooled until the temperature of the fresh air detected by the temperature detection device 6 is not less than T1 and not more than T2, and the fresh air is controlled to be introduced into the room.
The purified fresh air is heated or cooled, so that the temperature in a room can be kept within a certain range, and the temperature of the newly exchanged fresh air is ensured to meet the temperature required by a user. In addition, the temperature adjusting unit 52 heats or cools the purified fresh air, so that unnecessary heating or cooling can be avoided, the heating or cooling efficiency can be improved, and energy can be saved.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiments by using the technical contents disclosed above without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (10)
1. A fresh air ventilation system is characterized by comprising,
the range hood is at least used for exhausting the air in at least one room;
the first air quality detection device is used for detecting air quality parameters in at least one room and transmitting the air quality parameters to the central control module;
and the central control module is at least used for controlling the running state of the range hood according to the acquired air quality parameter information.
2. A fresh air ventilating system as defined in claim 1, further comprising air inlet means for communicating the interior of at least one room with the external environment and introducing fresh air into the room;
the air inlet device comprises a plurality of air inlets,
the air inlet unit is communicated with the inside of at least one room and the external environment and is used for introducing fresh air into the room;
and the electric valve is arranged on the air inlet unit and used for controlling the on-off of the air path according to the control information sent by the central control module.
3. A fresh air ventilating system as defined in claim 2, further comprising fresh air processing means for processing fresh air introduced into the room;
the fresh air processing device comprises a purification unit for filtering and purifying fresh air introduced into a room;
preferably, the purification unit is mounted on the intake unit;
preferably, the purification unit is installed inside the air intake unit.
4. A fresh air ventilating system as defined in claim 3, wherein said air inlet unit is provided with a second air quality detecting device for detecting an air quality parameter of the purified fresh air.
5. A fresh air ventilating system according to claim 3 or 4, wherein said fresh air processing means comprises a temperature adjusting unit mounted on said air intake unit for heating or cooling the fresh air introduced into the room;
preferably, the temperature adjusting unit is installed at the downstream of the purifying unit and used for heating or cooling the purified fresh air;
preferably, the air inlet unit is further provided with a temperature detection device for detecting the temperature of the fresh air introduced into the room.
6. A fresh air ventilating system as defined in any one of claims 1 to 5, wherein said range hood is a dual-purpose range hood integrating an external exhaust type and a circulation type;
preferably, the range hood is provided with a hood panel for controlling the operation of the range hood.
7. A ventilation system according to claim 1, further comprising a control module for operating an operating state of the ventilation system;
the control module comprises a terminal control unit, a control module and a control module, wherein the terminal control unit is used for receiving and displaying the running state and/or detection information of the fresh air ventilation system and controlling the running or stopping of the fresh air ventilation system;
preferably, the terminal control unit comprises a mobile terminal for receiving and displaying the operation state and/or detection information of the fresh air ventilation system, and remotely controlling the operation or stop of the fresh air ventilation system.
8. A method of controlling a fresh air ventilation system as claimed in any one of claims 1 to 7, including the steps of,
s1, acquiring indoor air quality parameters, and comparing the indoor air quality parameters with set parameters;
and S2, processing the air in the room when the air quality in the room is judged not to meet the standard.
9. A control method of a fresh air ventilating system according to claim 8, wherein the step S2 includes a step S21,
when the air quality parameter is judged to be in the first parameter interval, sending a signal for prompting the start of a purification cycle program, and performing purification cycle on the air in the room;
and when the air quality parameter is judged to be in the second parameter interval, sending a signal for prompting to start a fresh air ventilation program, and replacing the air in the room.
10. A method for controlling a fresh air ventilating system according to claim 8 or 9, wherein said step S2 of processing the air in the room comprises the steps of,
starting a purification circulation program, and purifying and circulating the air in the room by using the self purification circulation function of the range hood;
and starting a fresh air ventilation program, controlling the air to be exhausted from the room and ventilating from the external environment to the room, and replacing the indoor air.
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| CN202110459617.XA CN113251517A (en) | 2021-04-27 | 2021-04-27 | Fresh air ventilation system and control method |
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| CN115148011A (en) * | 2022-05-24 | 2022-10-04 | 峰米(重庆)创新科技有限公司 | Dust removal reminding method and device, terminal equipment and medium |
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| CN115148011A (en) * | 2022-05-24 | 2022-10-04 | 峰米(重庆)创新科技有限公司 | Dust removal reminding method and device, terminal equipment and medium |
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