CN112146194A - Indoor environment adjusting equipment and control method - Google Patents
Indoor environment adjusting equipment and control method Download PDFInfo
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- CN112146194A CN112146194A CN202010597170.8A CN202010597170A CN112146194A CN 112146194 A CN112146194 A CN 112146194A CN 202010597170 A CN202010597170 A CN 202010597170A CN 112146194 A CN112146194 A CN 112146194A
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
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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
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted 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
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
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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
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
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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
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/66—Volatile organic compounds [VOC]
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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]
- Y02B30/56—Heat recovery units
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention provides an indoor environment regulating device and a control method thereof, wherein the indoor environment regulating device comprises a shell, and an air conditioning cavity, an air feeding/discharging cavity, a total heat exchange cavity and an outdoor air inlet cavity which are arranged in the shell in sequence; the air conditioning cavity is provided with a first air path switch, a heat exchanger and a first bypass air channel, the heat exchanger is provided with a first main air channel, the shell corresponding to the air conditioning cavity is provided with an indoor air supply outlet, the first air path switch is set to allow the first main air channel and the first bypass air channel to be selected to be communicated with the indoor air supply outlet, and an air filtering assembly is arranged in the air conditioning cavity and close to the indoor air supply outlet; a blower is arranged in the air supply/exhaust cavity, a first indoor air inlet is arranged on the shell corresponding to the air supply/exhaust cavity, and the air supply/exhaust cavity is respectively communicated with the air conditioning cavity and the total heat exchange cavity; a total heat exchanger is arranged in the total heat exchange cavity; an outdoor air inlet is arranged on the shell corresponding to the outdoor air inlet cavity; the indoor environment adjusting device has two air inlet paths and two air supply paths, and can have multiple functions respectively or simultaneously.
Description
Technical Field
The invention relates to the field of indoor environment control, in particular to indoor environment adjusting equipment and a control method.
Background
At present, along with economic development and the promotion of people's quality of life, people more and more regard to the quality of room air, and present family can purchase multiple equipment and adjust room air and temperature, if purchase the air conditioner and adjust room temperature, purchases new trend equipment and comes for indoor fresh air that trades to and purchase air purifier and evolve outdoor contaminated air. However, these devices need to be purchased separately, and occupy a certain room space, and various devices cannot be matched with each other, and only work individually, and the flexibility in use is poor, so that the optimal matching work among the devices cannot be realized.
Disclosure of Invention
The invention aims to provide indoor environment regulating equipment and a control method.
In order to achieve the above object, an embodiment of the present invention provides an indoor environment adjusting device, which includes a housing, and an air conditioning chamber, an air feeding/discharging chamber, a total heat exchange chamber, and an outdoor air inlet chamber, which are disposed in the housing and are sequentially disposed; the air conditioner is characterized in that a first air path switch, a heat exchanger and a first bypass air channel are arranged in the air conditioner cavity, a first main air channel is arranged on the heat exchanger, an indoor air supply outlet is arranged on a shell corresponding to the air conditioner cavity, the first air path switch is arranged to allow the first main air channel and the first bypass air channel to be selected to be communicated with the indoor air supply outlet, and an air filtering assembly is arranged in the air conditioner cavity and close to the indoor air supply outlet; a blower is arranged in the air feeding/exhausting cavity, a first indoor air inlet is arranged on the shell corresponding to the air feeding/exhausting cavity, and the air feeding/exhausting cavity is selectively communicated with the air conditioning cavity and the total heat exchange cavity respectively; a total heat exchanger is arranged in the total heat exchange cavity; an outdoor air inlet is formed in the shell corresponding to the outdoor air inlet cavity; the indoor environment adjusting equipment is provided with a first air inlet path and a second air inlet path, the first air inlet path is that indoor air enters the air feeding/discharging cavity from the first indoor air inlet, and the second air inlet path is that outdoor air passes through the outdoor air inlet cavity, the total heat exchange cavity and the air feeding/discharging cavity in sequence from the outdoor air inlet; the indoor environment adjusting device is provided with a first air supply path and a second air supply path, the first air supply path is that air in an air supply/exhaust cavity is exhausted into a room through the indoor air supply outlet after passing through the first main air duct and the air filtering assembly, and the second air supply path is that the air in the air supply/exhaust cavity is sent into the room through the indoor air supply outlet after passing through the first bypass air duct and the air filtering assembly.
As a further improvement of the invention, a second bypass air duct is arranged in the total heat exchange cavity, a second air duct switch is arranged in the outdoor air inlet cavity, and a second main air duct is arranged on the total heat exchanger; the second air path switch is set to allow the second main air channel and the second bypass air channel to be selected to be communicated with the outdoor air inlet cavity; the second air inlet path comprises a second main path and a second bypass path, the second main path is formed by enabling outdoor air to sequentially pass through the outdoor air inlet cavity, the second main air channel and the air supply/exhaust cavity through the outdoor air inlet, and the second bypass path is formed by enabling the outdoor air to sequentially pass through the outdoor air inlet cavity, the second bypass air channel and the air supply/exhaust cavity through the outdoor air inlet.
As a further improvement of the present invention, a third main air duct perpendicular to the second main air duct is provided on the total heat exchanger; the indoor environment control equipment also comprises an exhaust cavity which is arranged in parallel with the air supply/exhaust cavity, an exhaust fan is also arranged in the air supply/exhaust cavity, a shell corresponding to the air supply/exhaust cavity is provided with a second indoor air inlet, and the exhaust cavity is communicated with the third main air duct; an outdoor air outlet is also formed in the shell corresponding to the outdoor air inlet cavity; the indoor environment adjusting equipment further comprises an air exhaust path, wherein indoor air enters the air exhaust cavity from the second indoor air inlet, passes through the third main air duct, enters the outdoor air inlet cavity, and is exhausted outdoors through the outdoor air outlet.
As a further improvement of the invention, a third air path switch is arranged between the air blower and the exhaust fan, a fourth air path switch is arranged between the air blower and the total heat exchange cavity, and the fourth air path switch is opened and the third air path switch is closed to realize the air exhaust to the outside; and closing the fourth air path switch and opening the third air path switch to realize indoor air circulation.
As a further improvement of the invention, a primary filter module and a preheater are also arranged in the position, close to the outdoor air inlet, in the outdoor air inlet cavity.
As a further improvement of the invention, a sensor assembly is further arranged on the housing, and the sensor assembly comprises a temperature sensor and an air quality sensor.
As a further improvement of the invention, a UV sterilization module is also arranged in the air conditioning cavity close to the indoor air supply outlet.
The invention also discloses a control method of the indoor environment regulating equipment, which comprises the following steps: detecting indoor air quality parameters; judging whether the indoor air quality parameter is less than or equal to a parameter preset value; if the indoor air quality parameter is less than or equal to a preset parameter value, controlling the indoor environment adjusting equipment to be in an indoor air circulation mode; opening the third air path switch and starting the blower; detecting the indoor temperature; judging whether the indoor temperature is within a preset temperature range or not; if the indoor temperature is within the preset temperature range, a first bypass air channel in the air-conditioning cavity is communicated; if the indoor temperature is not within the preset temperature range, communicating a first main air duct in the air-conditioning cavity and starting a heat exchanger; if the indoor air quality parameter is larger than the preset parameter value, controlling the indoor environment adjusting equipment to be in an indoor and outdoor air circulation mode; opening an outdoor air inlet and starting a blower; detecting the indoor temperature; judging whether the indoor temperature is within a preset temperature range or not; if the indoor temperature is within a preset temperature range, detecting the temperature difference between the indoor temperature and the outdoor temperature; judging whether the temperature difference is within a preset temperature difference range or not; if the temperature difference is not within the preset temperature difference range, the second main air duct in the total heat exchange cavity is communicated, the total heat exchanger and the exhaust fan are started simultaneously, and the fourth air path switch and the outdoor exhaust outlet are opened.
As a further improvement of the present invention, after the step of "judging whether the temperature difference is within a preset temperature difference range", the method further comprises: if the temperature difference is within the preset temperature difference range, a second bypass air channel in the total heat exchange cavity is communicated; and the first bypass air channel is communicated with the air conditioning cavity.
As a further improvement of the present invention, after the step of "judging whether the indoor temperature is within a preset temperature range", the control method further includes: if the indoor temperature is not within the preset temperature range, communicating a first main air duct in the air-conditioning cavity and starting the heat exchanger; and communicating the second main air duct, starting the total heat exchanger and the exhaust fan simultaneously, and opening the third air path switch and the outdoor air outlet.
As a further improvement of the present invention, the indoor air quality parameter is a concentration of carbon dioxide in the indoor air.
Compared with the prior art, the indoor environment adjusting equipment disclosed by the invention has the advantages that the air conditioning cavity, the air supply/exhaust cavity, the total heat exchange cavity and the outdoor air inlet cavity are arranged in one equipment, and the equipment is provided with two air inlet paths and two air exhaust paths, and the paths can be freely combined, so that the functions of air purification, fresh air and air conditioning can be realized respectively or simultaneously, namely the functions can be matched with each other; the indoor environment adjusting equipment saves the installation space and improves the efficiency of indoor environment adjustment; meanwhile, the air duct optimization under different working conditions is realized by opening or closing the first air duct switch, and the wind resistance is reduced, so that the energy-saving purpose is realized.
Drawings
FIG. 1 is a schematic view of an indoor environment control and regulation apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an air conditioning chamber of the indoor climate control device of FIG. 1;
FIG. 3 is a schematic perspective view of the indoor climate control regulating device of FIG. 1;
FIG. 4 is a schematic flow chart illustrating a method for controlling an indoor environment control and regulation device according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart illustrating a method for controlling an indoor environment control and regulation device according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a method for controlling the indoor environment control and regulation device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
As shown in fig. 1 and 3, an embodiment of the present invention discloses an indoor environment control device, which includes a casing 1, and an air conditioning chamber 100, an air feeding/discharging chamber 200, a total heat exchange chamber 300, and an outdoor air intake chamber 400, which are disposed in the casing 1 and sequentially arranged. Be equipped with first wind path switch 110, heat exchanger 120 and first bypass air duct in air conditioner chamber 100, be equipped with first main wind channel on the heat exchanger 120, be equipped with indoor supply-air outlet 130 on the casing 1 that air conditioner chamber 100 corresponds, first wind path switch 110 sets up to allow first main wind channel and first bypass air duct alternative with indoor supply-air outlet 130 communicates. An air filter assembly 140 is provided in the air-conditioning chamber 100 at a position adjacent to the indoor blowing port 130.
A blower 210 and an exhaust fan 510 are arranged in the air feeding/exhausting cavity 200, an indoor air inlet 520 is arranged on the shell 1 corresponding to the air feeding/exhausting cavity 200, and the air feeding/exhausting cavity 200 is selectively communicated with the air conditioning cavity 100 and the total heat exchange cavity 300 respectively. The total heat exchange chamber 300 is provided with a total heat exchanger 310. The casing 1 corresponding to the outdoor air inlet cavity 400 is provided with an outdoor air inlet 410 and an outdoor air outlet 420 arranged on a different side from the outdoor air inlet 410, that is, the outdoor air inlet 410 and the outdoor air outlet 420 may be respectively arranged on two opposite sides, adjacent two sides, or certainly may be arranged on the same side.
The third air path switch 230 may be disposed between the blower 210 and the exhaust fan 510 of the air feeding/discharging chamber 200, and specifically, the middle of the air feeding/discharging chamber 200 may be partitioned by a partition, and the third air path switch 230 may be disposed on the partition. A fourth air path switch 530 is provided between the blower 210 and the total heat exchange chamber 300, and when it is necessary to discharge air to the outside of the room, the fourth air path switch 530 is opened and the third air path switch 230 is closed, so that indoor air enters the air supply/discharge chamber 200 from the air inlet 520, and enters the total heat exchanger 310 through the fourth air path switch 530 downward by the second blower 510, and is discharged to the outside of the room through the outdoor air outlet 420. When only indoor air circulation is required, the fourth path switch 530 is closed and the third path switch 230 is opened, and indoor air enters the air supply/discharge chamber 200 from the air inlet 520, and then enters the air conditioning chamber 100 upward by the second passing fan 210, and is discharged into the room from the indoor air supply outlet 130.
The indoor environment adjusting device has a first air inlet path and a second air inlet path, the first air inlet path is that indoor air enters the air supply/exhaust chamber 200 from the indoor air inlet 520, and the second air inlet path is that outdoor air passes through the outdoor air inlet 410 sequentially from the outdoor air inlet chamber 400, the total heat exchange chamber 300 to the air supply/exhaust chamber 200. The indoor environment adjusting apparatus has a first air supply path for supplying air from the air supply/exhaust chamber 200 into the room through the indoor air supply opening 130 after passing through the first main duct and the air filter module 140, and a second air supply path for supplying air from the air supply/exhaust chamber 200 into the room through the indoor air supply opening 130 after passing through the first bypass duct and the air filter module 140. The first air inlet path and the second air inlet path can be used independently or simultaneously according to different modes.
The indoor environment adjusting equipment disclosed by the invention has the advantages that the air conditioning cavity 100, the air supply/exhaust cavity 200, the total heat exchange cavity 300 and the outdoor air inlet cavity 400 are arranged in one equipment, and the equipment is provided with two air inlet paths and two air exhaust paths, and the paths can be freely combined, so that the functions of air purification, fresh air and air conditioning can be realized respectively or simultaneously, namely the functions can be matched with each other; the indoor environment adjusting equipment saves the installation space and improves the indoor environment adjusting efficiency.
In the embodiment of the present invention, the first air path switch 110, the first main air path and the first bypass air path are provided such that the air entering the air conditioning chamber passes through the first main air path of the heat exchanger 120 and then passes through the air filter assembly and the indoor air outlet 130 to be delivered into the room when necessary, and the air may directly pass through the first bypass air path without passing through the heat exchanger 120 and then passes through the air filter assembly and the indoor air outlet 130 to be delivered into the room when not necessary. In practical applications, the combination of indoor and outdoor air quality and indoor and outdoor temperature can be used to consider whether air is passed through the heat exchanger 120. Accordingly, the heat exchanger 120 is in an operating state when the air passes through the heat exchanger 120, and the heat exchanger 120 is in a closed state when the air does not pass through the heat exchanger 120. Thus, the heat exchanger 120 may be selectively operated or shut down to reduce energy consumption of the indoor environment conditioning apparatus.
Specifically, the first duct switch 110 may be an electric air valve, preferably a vane coupled air valve, and includes an electric actuator for controlling the opening or closing of the vane of the air valve, and the vane of the air valve can be shifted to a position such that one of the first main duct and the first bypass duct is blocked, and the unblocked duct can communicate with the indoor air supply outlet 130.
As shown in fig. 2, in the preferred embodiment of the present invention, two air valves, that is, two first air path switches 110 may be provided to open and close the first main air path and the first bypass air path, respectively, and correspondingly, two indoor air supply ports 130 may be provided to be spaced apart from each other in the casing 1 corresponding to the air-conditioning chamber 100, so that air can be supplied at different positions of the apparatus, and the air supply can be more uniform.
It can be understood that a partition board for separating the chambers is arranged between the chambers, and through holes for air to pass through are correspondingly arranged on the partition board, so that the chambers are correspondingly communicated. And the shell of the indoor environment adjusting equipment is also provided with a display panel, so that a user can check information such as air quality and perform operations such as mode adjustment and parameter setting.
It can be understood that the indoor environment adjusting device of the invention is an indoor unit which is correspondingly provided with an outdoor unit, and a compressor, an external heat exchanger and a refrigerant reversing and throttling device are arranged in the outdoor unit so as to realize the refrigerating/heating function of the air conditioner.
Preferably, a second bypass air duct is arranged in the total heat exchange cavity 300, and a second main air duct is arranged on the total heat exchanger 310; a second duct switch 320 is disposed in the outdoor air inlet chamber 400, and the second duct switch 320 is configured to allow the second main duct and the second bypass duct to be selectively communicated with the outdoor air inlet chamber 400.
Specifically, the second duct switch 320 is also a vane coupled air valve, and includes an electric actuator for controlling the opening or closing of the vane of the air valve, and the vane of the air valve can be changed to a position such that one of the second main air duct and the second bypass air duct is blocked, and the unblocked air duct can be communicated with the outdoor air inlet chamber 400.
The second air inlet path includes a second main path and a second bypass path, the second main path is that the outdoor air passes through the outdoor air inlet 410 sequentially through the outdoor air inlet cavity 400, the second main air duct and the air feeding/discharging cavity 200, and the second bypass path is that the outdoor air passes through the outdoor air inlet 410 sequentially through the outdoor air inlet cavity 400, the second bypass air duct and the air feeding/discharging cavity 200. The second main air duct and the second bypass air duct are provided in the total heat exchange chamber 300, and the second air duct switch 320 is provided to selectively connect the two to the outdoor air inlet chamber 400, so that the air entering the total heat exchange chamber 300 can enter the air feeding/discharging chamber 200 after passing through the total heat exchanger 310 when necessary, and can directly enter the air feeding/discharging chamber 200 through the second bypass air duct without passing through the total heat exchanger 310 when not necessary. In practical applications, the combination of indoor and outdoor air quality and indoor and outdoor temperature can be used to consider whether air is allowed to pass through the total heat exchanger 310. Accordingly, the total heat exchanger 310 is in an operating state when the air passes through the total heat exchanger 310, and the total heat exchanger 310 is in a closed state when the air does not pass through the total heat exchanger 310. Thus, the total heat exchanger 310 may be selectively turned on or off to reduce power consumption of the indoor environment conditioning apparatus.
Further, a third main air duct perpendicular to the second main air duct is arranged on the total heat exchanger 310; the indoor environment adjusting apparatus further includes an air exhaust path, in which indoor air enters the air supply/exhaust chamber 200 from the indoor air inlet 130, passes through the third main air duct, enters the outdoor air inlet chamber 400, and is exhausted to the outside through the outdoor air outlet 420.
When the total heat exchanger 310 is in operation, outdoor intake air will pass through the total heat exchanger 310 in the second air duct and enter the air supply/exhaust chamber 200 and the air conditioning chamber 100 and then enter the room, and indoor exhaust air can enter the third air duct from the air supply/exhaust chamber 200 and then be exhausted to the outside. The core of the total heat exchanger 310 is formed with a second main air duct and a third main air duct which are perpendicular to each other; meanwhile, the air in the second main air duct and the air in the third main air duct can be subjected to damp-heat exchange; when outdoor air and indoor air pass through the core of the total heat exchanger 310 at the same time, because of temperature difference and steam partial pressure difference of the two air flows, the two air flows exhibit heat and mass transfer phenomena when passing through the second main air duct and the third main air duct, respectively, resulting in a total heat exchange process. When the air conditioner runs in summer, outdoor inlet air obtains cold energy from indoor exhaust air, so that the temperature is reduced, and meanwhile, the outdoor inlet air is dried by the indoor exhaust air, so that the moisture content of the outdoor inlet air is reduced; when the air conditioner operates in winter, outdoor air inlet obtains heat from indoor air exhaust, and the temperature is increased. Thus, through the total heat exchange process of the core body of the total heat exchanger 310, the outdoor air intake recovers energy from the indoor exhaust air.
A primary filter module 430 and a pre-heater 440 are further disposed in the outdoor air inlet chamber 400 and close to the outdoor air inlet 410. The primary filter module 430 is used to filter out large particles in the outdoor air. The pre-heater 440 is a PTC element for pre-heating the relatively cold outdoor air to prevent the full heat exchanger from freezing in the extreme cold weather. The outdoor air inlet cavity 400 is further provided with a fifth air path switch 450 and a sixth air path switch 460, which are used for allowing outdoor inlet air to pass through the primary filter module 430 and the pre-heater 440 or not pass through the primary filter module 430 and the pre-heater 440, and certainly can be set to open or close the outdoor inlet air, and the specific structures of the fifth air path switch 450 and the sixth air path switch 460 are the same as those of the above air path switches, and are not described herein again.
Still be equipped with sensor assembly on the casing, sensor assembly includes temperature sensor and air quality sensor. Specifically, the temperature sensor is used to detect the temperature in the room, and the air quality sensor is mainly a carbon dioxide sensor for detecting the concentration of carbon dioxide in the indoor air.
In another embodiment, the air quality sensor may be a PM2.5 (fine particulate matter) sensor, a TVOC (Total Volatile Organic Compounds) sensor, or the like, for detecting the PM2.5 concentration or the TVOC concentration indoors.
A UV sterilization module 150 is further disposed in the air conditioning chamber 100 at a position close to the indoor supply air outlet 130. All of the air discharged into the room thus needs to pass through the UV sterilizing module 150 in order to remove bacteria that may be present in the air.
As shown in fig. 2, the present invention also discloses a control method for an indoor environment adjusting device, the control method comprising the following steps:
and S100, detecting indoor air quality parameters.
First, the relevant parameters of the indoor air quality are judged to determine which air circulation mode is performed. In an embodiment of the invention, the indoor air quality parameter is a carbon dioxide concentration of the indoor air.
In other embodiments, the indoor air quality parameter may be other parameters such as PM2.5 concentration in the indoor air, TVOC concentration, and the like.
And S110, judging whether the indoor air quality parameter is less than or equal to a parameter preset value.
Specifically, a parameter preset value may be preset, and when the carbon dioxide concentration of the indoor air is less than or equal to the parameter preset value, it may be determined that the carbon dioxide concentration of the indoor air does not exceed the standard.
And S111, controlling the indoor environment adjusting equipment to be in an indoor air circulation mode.
In the embodiment of the invention, the user can manually set the circulation mode, and the control device can select the circulation mode according to the relevant parameters. At this time, the carbon dioxide concentration of the indoor air does not exceed the standard, and the indoor environment adjusting equipment can be controlled to be in an indoor air circulation mode.
S112, the third duct switch 230 is opened and the blower 210 is started.
At this time, the indoor air is driven by the blower 210, enters the air supply/exhaust chamber 200 and the air conditioning chamber 100 of the indoor environment conditioning apparatus through the indoor air inlet 520, and is then discharged through the indoor air outlet 130. An air filter assembly 140 and a UV sterilization module 150 are disposed in the air-conditioning chamber 100 at a position close to the indoor air-supplying opening 130, so that the air passes through the air filter assembly 140 and the UV sterilization module 150 before passing through the air-supplying opening 130, thereby purifying the indoor air. In this case, the air path switch is closed by default, and the air path switch is controlled to be opened when the mode change is required, so that the third air path switch 230 is opened and the fourth air path switch 530 is closed by default.
And S113, detecting the indoor temperature.
A temperature sensor is arranged on a shell 1 of the indoor environment adjusting equipment and can detect indoor real-time temperature.
And S114, judging whether the indoor temperature is within a preset temperature range.
Specifically, a preset temperature range may be set in advance in the indoor environment conditioning apparatus, for example, the temperature range may be set at 15 to 28 ℃.
S115, the first bypass air passage in the air-conditioning chamber 100 is communicated.
At this time, the indoor temperature is within the preset temperature range, that is, the indoor real-time temperature is between 15 ℃ and 28 ℃. In this case, the indoor temperature is appropriate, and it is not necessary to turn on the cooling/heating function for adjusting the temperature.
S116, communicating the first main air duct in the air conditioning cavity 100 and starting the heat exchanger 120.
At the moment, the judgment result is that the indoor temperature is not within the preset temperature range, namely, the indoor real-time temperature is less than 15 ℃ or more than 28 ℃; at this time, the air passes through the heat exchanger 120, and the heat exchanger 120 is activated, thereby achieving a function of adjusting the indoor temperature in combination with the outdoor unit. In the cooling mode, the heat exchanger 120 may function as an evaporator, and in the heating mode, the heat exchanger 120 may function as a condenser. The air passes through the air filter assembly 140 and the UV sterilizing module 150 before being discharged out of the indoor blowing port 130, so that the indoor environment conditioning apparatus can perform both temperature conditioning and air purification functions.
And S121, controlling the indoor environment adjusting equipment to be in an indoor and outdoor air circulation mode.
At this time, the indoor air quality parameter exceeds the parameter preset value. That is, the concentration of carbon dioxide in the indoor air exceeds the standard, and outdoor air is introduced to improve the quality of the indoor air.
S122, the outdoor air inlet 410 is opened and the blower 210 is started.
At this time, the outdoor air enters the indoor environment conditioning equipment through the outdoor air inlet 410, passes through the outdoor air inlet chamber 400, the total heat exchange chamber 300, the air supply/exhaust chamber 200, and the air conditioning chamber 100 in sequence, and is supplied into the indoor space through the indoor air supply outlet 130.
And S123, detecting the indoor temperature.
The indoor temperature is detected by a temperature sensor provided on the casing 1 of the indoor environment conditioning apparatus.
And S124, judging whether the indoor temperature is within a preset temperature range.
Similarly, a predetermined temperature range may be preset, such as a predetermined temperature range of 15 ℃ to 28 ℃.
And S125, detecting the temperature difference between the indoor temperature and the outdoor temperature.
At the moment, the indoor temperature is in a preset temperature range, namely the indoor temperature is proper, and the refrigerating/heating function for adjusting the temperature is not required to be started. The temperature difference between the indoor temperature and the outdoor temperature is continuously detected.
And S126, judging whether the temperature difference is within a preset temperature difference range.
Similarly, the temperature difference range may be preset, and specifically may be within 0-5 ℃ or within 0-8 ℃.
The purpose of detecting the indoor and outdoor temperature difference is mainly to open the total heat exchanger 310 to exchange heat between the indoor exhaust air and the outdoor intake air if the temperature difference is large, so that the outdoor intake air recovers energy from the indoor exhaust air.
S127, the second main air duct in the total heat exchange chamber 300 is connected, the total heat exchanger 310 and the exhaust fan 510 are simultaneously started, and the third air path switch 230 and the outdoor exhaust port 420 are opened.
The temperature difference is not in the preset temperature difference range, namely, the indoor temperature is suitable at the moment, but the indoor and outdoor temperature difference is large. If the outdoor air is introduced, the total heat exchanger 310 needs to be opened to perform heat exchange between the indoor air and the outdoor air, so that the temperature difference between the outdoor air temperature and the indoor air temperature can be reduced, and the temperature of the outdoor air after entering the room is more appropriate. When the outdoor air enters the room, the outdoor air passes through the total heat exchanger 310; meanwhile, the indoor air can pass through the indoor air inlet 520 and the total heat exchanger 310 under the action of the exhaust fan, and then enter the outdoor air inlet chamber and then be exhausted to the outdoor through the outdoor exhaust outlet 420.
Further, as shown in fig. 3, after step S126, the control method further includes:
s1261, the second bypass air duct in the total heat exchange cavity 300 is communicated.
At this time, the temperature difference is within the preset temperature difference range, that is, the indoor and outdoor temperature difference is not large, and at this time, the total heat exchanger 310 does not need to be started, so that the outdoor air enters the air feeding/discharging chamber 200 from the second bypass air duct.
S1262, the first bypass air passage in the air-conditioning chamber 100 is communicated.
At this time, the indoor temperature is also within the preset temperature range, and therefore, the function of temperature adjustment does not need to be started, so that outdoor inlet air passes through the first bypass air duct and is then sent into the room from the indoor air supply outlet 130 after passing through the air filter assembly 140 and the UV sterilization module 150.
Further, as shown in fig. 4, after step S124, the control method further includes:
s1241, communicating the first main air duct in the air conditioning chamber 100 and starting the heat exchanger 120.
At this time, the indoor temperature is not within the preset temperature range, that is, the indoor temperature is too cold or too hot, and the heat exchanger 120 needs to be turned on for temperature adjustment, so that the air can flow through the first main air duct on the heat exchanger 120.
S1242, communicating the second main air duct, starting the total heat exchanger 310 and the exhaust fan 510, and opening the fourth air path switch 530 and the outdoor exhaust port 420.
In the above control method, the opening of the air inlet and the air outlet may be performed by keeping the air inlet and the air outlet in an open state, or the air inlet and the air outlet are themselves open, and only the air path switch is controlled to communicate with the corresponding air path.
At this time, since the total heat exchanger 310 is turned on, the indoor discharge air can exchange energy with the outdoor intake air more effectively, thereby achieving the purpose of energy saving.
The working process of the indoor environment adjusting apparatus of the present invention will be explained in detail below. After the indoor environment adjusting equipment is started, the carbon dioxide sensor can immediately start to detect the indoor carbon dioxide content.
And when the detected indoor carbon dioxide concentration does not exceed the first preset value, controlling the indoor environment adjusting equipment to be in an indoor air circulation mode. At the moment, the concentration of the indoor carbon dioxide is low, outdoor air does not need to be introduced, and only the indoor air needs to be purified and/or temperature-regulated.
The temperature sensor on the indoor environment adjusting device can continuously detect the indoor temperature and judge whether the indoor temperature is in the preset temperature range. The indoor air circulation mode may be further divided into a first mode and a second mode according to a difference of the determination result.
In a first mode: the indoor temperature is within the predetermined temperature range, so that the indoor air enters the air feeding/discharging chamber 200 (i.e., the first air feeding path) through the indoor air inlet 520, passes through the first bypass duct, the air filter assembly 140 and the UV sterilization module 150, and then enters the indoor air (i.e., the second air feeding path) through the indoor air outlet 130. That is, the first mode performs the indoor air circulation function and the air purification function,
in a second mode: the indoor temperature is not within the preset temperature range, that is, the temperature regulation and purification functions of the indoor air are required. Therefore, the indoor air enters the air feeding/discharging chamber 200 (i.e., the first air feeding path) through the indoor air inlet 520, passes through the first main duct, the air filter assembly 140 and the UV sterilization module 150, and then enters the indoor through the indoor air feeding port 130 (i.e., the first air feeding path). At this time, the heat exchanger 120 is turned on, so that the indoor temperature can be adjusted to realize cooling or heating. That is, the first mode implements an indoor air circulation function, a temperature regulation function (i.e., a function of an air conditioner), and an air purification function.
And when the detected indoor carbon dioxide concentration exceeds a first preset value, controlling the indoor environment adjusting equipment to be in an indoor and outdoor air circulation mode. At this time, the concentration of carbon dioxide in the room is high, and it is necessary to introduce outdoor air for ventilation.
The temperature sensor on the indoor environment adjusting device can continuously detect the indoor temperature and judge whether the indoor temperature is in a preset temperature range, and can also detect the outdoor temperature and judge whether the temperature difference between the indoor temperature and the outdoor temperature is in the preset range. The indoor and outdoor air circulation modes may be further divided into a third mode, a fourth mode and a fifth mode according to the difference of the determination results.
In the third mode and the fourth mode, the air inlet path is: the outdoor air passes through the outdoor air inlet cavity 400, the total heat exchange cavity 300 and the air supply/discharge cavity 200 (i.e. the second air inlet path) in sequence from the outdoor air inlet 410; in the fifth mode, the first air intake path and the second air intake path are used simultaneously, a part of air enters the air feeding/discharging chamber 200 (i.e., the first air intake path) from the indoor air inlet 520, and a part of outdoor air passes through the outdoor air inlet 410, the total heat exchange chamber 300, and the air feeding/discharging chamber 200 (i.e., the second air intake path) in sequence.
In the third mode, the indoor temperature is within the preset temperature range, while the indoor-outdoor temperature difference is within the preset temperature difference range. At this time, the outdoor air passes through the outdoor air inlet 410, the outdoor air inlet chamber 400, the second bypass duct, and the air feeding/discharging chamber 200 (i.e., the second bypass path) in sequence, and the air in the air feeding/discharging chamber 200 passes through the first bypass duct, the air filter assembly 140, and the UV sterilization module 150 and then is fed into the room through the indoor air feeding port 130 (i.e., the first air feeding path). That is, the third mode realizes a function of introducing outdoor air into the room (i.e., a fresh air function) and an air cleaning function.
In the fourth mode, the indoor temperature is within the preset temperature range, but the indoor-outdoor temperature difference is outside the preset temperature difference range. At this time, the outdoor air passes through the outdoor air inlet 410, the second main duct, and the air feeding/discharging chamber 200 (i.e., the second main path) in sequence, and the air in the air feeding/discharging chamber 200 passes through the first bypass duct, the air filtering module 140, and the UV sterilizing module 150 and then is fed into the room through the indoor air feeding port 130 (i.e., the second air feeding path). Meanwhile, the indoor air further enters the air feeding/discharging chamber 200 through the indoor air inlet 520, passes through the third main air duct of the total heat exchanger 310, enters the outdoor air inlet chamber 400, and is discharged to the outside (i.e., an air discharging path) through the outdoor air outlet 420. When the indoor air enters the third main air passage of the total heat exchanger 310, the outdoor intake air also passes through the second main air passage of the total heat exchanger 310, so that the indoor air can exchange heat with the outdoor air. That is, the fourth mode realizes a function of introducing outdoor wind air into the room (i.e., a fresh air function), an indoor and outdoor air heat exchange function, and an air purification function.
In the fifth mode, the indoor temperature is not within the preset temperature range, and the indoor and outdoor temperature difference is large. At this time, a part of the air passes through the outdoor air inlet 410, the outdoor air inlet chamber 400, the second main air duct, and the air feeding/discharging chamber 200 (i.e., the second main path) in sequence, a part of the air enters the air feeding/discharging chamber 200 (i.e., the first air inlet path) through the indoor air inlet 520, and the air are mixed in the air feeding/discharging chamber 200, and the air in the air feeding/discharging chamber 200 passes through the first main air duct, the air filtering assembly 140, and the UV sterilization module 150 and then is fed into the room through the indoor air feeding port 130 (i.e., the first air feeding path). Meanwhile, the indoor air further enters the air feeding/discharging chamber 200 through the indoor air inlet 520, passes through the third main duct, enters the outdoor air inlet chamber 400, and is discharged to the outside (i.e., an air discharging path) through the outdoor air outlet 420. When the indoor air enters the third main air passage of the total heat exchanger 310, the outdoor intake air also passes through the second main air passage of the total heat exchanger 310, so that the indoor air can exchange heat with the outdoor air. That is, the fifth mode realizes a function of introducing outdoor air into the room (i.e., a fresh air function), an indoor temperature adjusting function (i.e., an air conditioning function), an indoor and outdoor air heat exchanging function, and an air cleaning function.
The indoor environment adjusting equipment of the invention is provided with the air conditioning cavity, the air supply/exhaust cavity, the total heat exchange cavity and the outdoor air inlet cavity in one equipment, and is provided with two air inlet paths and two air supply paths, and each path can be freely combined, thereby realizing the functions of air purification, fresh air and air conditioning respectively or simultaneously, namely, the functions can be mutually matched; the indoor environment adjusting equipment saves the installation space and improves the indoor environment adjusting efficiency.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. An indoor environment regulating device is characterized by comprising a shell, an air conditioning cavity, an air feeding/discharging cavity, a total heat exchange cavity and an outdoor air inlet cavity, wherein the air conditioning cavity, the air feeding/discharging cavity, the total heat exchange cavity and the outdoor air inlet cavity are arranged in the shell in sequence;
the air conditioner is characterized in that a first air path switch, a heat exchanger and a first bypass air channel are arranged in the air conditioner cavity, a first main air channel is arranged on the heat exchanger, an indoor air supply outlet is formed in a shell corresponding to the air conditioner cavity, the first air path switch is set to allow the first main air channel and the first bypass air channel to be selected to be communicated with the indoor air supply outlet, and an air filtering assembly is arranged in the air conditioner cavity and close to the indoor air supply outlet;
the air feeding/exhausting cavity is internally provided with an air feeder, the shell corresponding to the air feeding/exhausting cavity is provided with an indoor air inlet, and the air feeding/exhausting cavity is respectively and selectively communicated with the air conditioning cavity and the total heat exchange cavity;
a total heat exchanger is arranged in the total heat exchange cavity;
an outdoor air inlet is formed in the shell corresponding to the outdoor air inlet cavity;
the indoor environment adjusting equipment is provided with a first air inlet path and a second air inlet path, the first air inlet path is that indoor air enters the air feeding/discharging cavity from the indoor air inlet, and the second air inlet path is that outdoor air passes through the outdoor air inlet cavity, the total heat exchange cavity and the air feeding/discharging cavity in sequence from the outdoor air inlet; the indoor environment adjusting device is provided with a first air supply path and a second air supply path, the first air supply path is that air in an air supply/exhaust cavity passes through the first main air duct and the air filtering assembly and then is sent into a room through the indoor air supply opening, and the second air supply path is that the air in the air supply/exhaust cavity passes through the first bypass air duct and the air filtering assembly and then is sent into the room through the indoor air supply opening.
2. Indoor environment control device according to claim 1,
a second bypass air channel is arranged in the total heat exchange cavity, a second air channel switch is arranged in the outdoor air inlet cavity, and a second main air channel is arranged on the total heat exchanger; the second air path switch is set to allow the second main air channel and the second bypass air channel to be selected to be communicated with the outdoor air inlet cavity;
the second air inlet path comprises a second main path and a second bypass path, the second main path is formed by enabling outdoor air to sequentially pass through the outdoor air inlet cavity, the second main air channel and the air supply/exhaust cavity through the outdoor air inlet, and the second bypass path is formed by enabling the outdoor air to sequentially pass through the outdoor air inlet cavity, the second bypass air channel and the air supply/exhaust cavity through the outdoor air inlet.
3. The indoor environment control apparatus of claim 2, wherein a third main air duct perpendicular to the second main air duct is provided on the total heat exchanger;
an exhaust fan is further arranged in the air supply/exhaust cavity, and the air supply/exhaust cavity is communicated with the third main air duct; an outdoor air outlet is also formed in the shell corresponding to the outdoor air inlet cavity;
the indoor environment adjusting equipment further comprises an air exhaust path, wherein indoor air enters the air exhaust cavity from the indoor air inlet, passes through the third main air duct, enters the outdoor air inlet cavity, and is exhausted outdoors through the outdoor air outlet.
4. The indoor environment control apparatus of claim 3, wherein a third duct switch is provided between the blower and the exhaust fan, a fourth duct switch is provided between the blower and the total heat exchange chamber, and the fourth duct switch is opened and the third duct switch is closed to discharge air to the outside; and closing the fourth air path switch and opening the third air path switch to realize indoor air circulation.
5. The indoor environment control device of claim 1, wherein a primary filter module and a pre-heater are further disposed in the outdoor air intake cavity near the outdoor air intake, and a UV sterilization module is further disposed in the air conditioning cavity near the indoor air supply outlet.
6. An indoor environment control apparatus according to claim 1, wherein a sensor assembly is further provided on the housing, the sensor assembly including a temperature sensor and an air quality sensor.
7. A control method of an indoor environment conditioning apparatus, characterized by comprising the steps of:
detecting indoor air quality parameters;
judging whether the indoor air quality parameter is less than or equal to a parameter preset value;
if the indoor air quality parameter is less than or equal to a preset parameter value, controlling the indoor environment adjusting equipment to be in an indoor air circulation mode;
opening the third air path switch and starting the blower;
detecting the indoor temperature;
judging whether the indoor temperature is within a preset temperature range or not;
if the indoor temperature is within the preset temperature range, a first bypass air channel in the air-conditioning cavity is communicated;
if the indoor temperature is not within the preset temperature range, communicating a first main air duct in the air-conditioning cavity and starting a heat exchanger;
if the indoor air quality parameter is larger than the preset parameter value, controlling the indoor environment adjusting equipment to be in an indoor and outdoor air circulation mode;
opening an outdoor air inlet and starting a blower;
detecting the indoor temperature;
judging whether the indoor temperature is within a preset temperature range or not;
if the indoor temperature is within a preset temperature range, detecting the temperature difference between the indoor temperature and the outdoor temperature;
judging whether the temperature difference is within a preset temperature difference range or not;
if the temperature difference is not within the preset temperature difference range, the second main air duct in the total heat exchange cavity is communicated, the total heat exchanger and the exhaust fan are started simultaneously, and the fourth air path switch and the outdoor exhaust outlet are opened.
8. The control method of an indoor environment adjusting apparatus according to claim 7, wherein after the step of "judging whether the temperature difference is within a preset temperature difference range", the method further comprises:
if the temperature difference is within the preset temperature difference range, a second bypass air channel in the total heat exchange cavity is communicated;
and the first bypass air channel is communicated with the air conditioning cavity.
9. The control method of an indoor environment conditioning apparatus according to claim 7, characterized in that, after the step of "determining whether the indoor temperature is within a preset temperature range", the control method further comprises:
if the indoor temperature is not within the preset temperature range, communicating a first main air duct in the air-conditioning cavity and starting the heat exchanger;
and communicating the second main air duct, starting the total heat exchanger and the exhaust fan simultaneously, and opening the third air path switch and the outdoor air outlet.
10. The control method of an indoor environment conditioning apparatus according to claim 7,
the indoor air quality parameter is the concentration of carbon dioxide in the indoor air.
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| CN201910571634.5A CN110285505A (en) | 2019-06-28 | 2019-06-28 | Indoor environment adjustment equipment and control method |
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| CN113357705A (en) * | 2021-03-22 | 2021-09-07 | 山西刚正信息自动化工程有限公司 | Double-fan double-wind-path pipeline-free system |
| CN114151860A (en) * | 2021-12-03 | 2022-03-08 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN115095919A (en) * | 2022-06-21 | 2022-09-23 | 宁波奥克斯电气股份有限公司 | Fixed frequency mobile air conditioner, energy saving method and energy saving device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110715364B (en) * | 2019-10-14 | 2023-10-27 | 珠海格力电器股份有限公司 | Air treatment equipment and control method and device thereof |
| CN110608500B (en) * | 2019-10-18 | 2023-08-29 | 珠海格力电器股份有限公司 | Adjustable fresh air machine and control method thereof |
| CN111140976A (en) * | 2020-01-17 | 2020-05-12 | 珠海格力电器股份有限公司 | Fresh air conditioning system and control method thereof |
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Also Published As
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| CN112146194B (en) | 2021-12-14 |
| CN110285505A (en) | 2019-09-27 |
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