CN113418264A - New fan with inner loop air purification function - Google Patents
New fan with inner loop air purification function Download PDFInfo
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- CN113418264A CN113418264A CN202010135978.4A CN202010135978A CN113418264A CN 113418264 A CN113418264 A CN 113418264A CN 202010135978 A CN202010135978 A CN 202010135978A CN 113418264 A CN113418264 A CN 113418264A
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- 238000004887 air purification Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 238000001514 detection method Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims 2
- 238000000746 purification Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 8
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- -1 TVOC Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
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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
- 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
-
- 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
- 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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
-
- 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
-
- 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
-
- 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
-
- 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
- F24F2110/52—Air quality properties of the outside air
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a fresh air machine with an internal circulation air purification function, which comprises: fresh air machine main part still includes with the heat transfer module who sets up in fresh air machine main part: the air channel adjusting device is arranged in the fresh air machine main body; the air duct adjusting device includes: the indoor return air opening and closing mechanism is used for conducting or separating an air duct between the return air side of the fresh air fan main body and the air exhaust inlet of the heat exchange module; the outdoor air inlet opening and closing mechanism is used for conducting or separating an air channel between the air inlet side of the fresh air fan main body and the air supply inlet of the heat exchange module; and the return air and inlet air opening and closing mechanism is used for conducting or separating an air channel between the return air cavity of the fresh air fan main body and the air inlet cavity of the fresh air fan main body. In this scheme, through the switching combination of different closing mechanism among the wind channel adjusting device, can realize the inner loop of indoor exhaust to in the time of indoor outer fresh air demand that trades reduces or need, possess the function of inner loop to indoor air, with this use scene of expanding current new fan.
Description
Technical Field
The invention relates to the technical field of fresh air fans, in particular to a fresh air fan with an internal circulation air purification function.
Background
The commercial fresh air exchange products mainly comprise a fresh air fan with unidirectional flow, bidirectional flow or bidirectional total heat.
When outdoor air is not good, if the exchange of indoor and outdoor air is continuously performed or outdoor air is separately introduced, the quality of indoor air is deteriorated. Although the fresh air exchange function may be turned off or partially turned off to prevent the continuous deterioration of the quality of the indoor air, the continuous inner circulation of the indoor air is also affected.
When the indoor fresh air is sufficient, although the heat load of the air conditioning system caused by the heat loss caused by the exchange of the indoor air and the outdoor air can be reduced or avoided by closing the indoor and outdoor fresh air exchange function, the continuous internal circulation of the indoor air can not be realized any more.
Therefore, how to solve the disadvantages of the new fan becomes an important technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of this, the present invention provides a new air blower with an internal circulation air purification function, which realizes internal circulation of indoor air by adding an air duct adjusting device in a main body of the new air blower, so as to have an internal circulation function for indoor air when the demand for exchanging fresh air indoors and outdoors is reduced or not required, and to expand the use scene of the existing new air blower.
In order to achieve the purpose, the invention provides the following technical scheme:
a fresh air machine with an internal circulation air purification function comprises: fresh air machine main part with set up in heat exchange module in the fresh air machine main part still includes: the air channel adjusting device is arranged in the fresh air machine main body; the air duct adjusting device comprises: the indoor return air switching mechanism, the outdoor air inlet switching mechanism and the return air inlet switching mechanism;
the indoor return air opening and closing mechanism can conduct or separate an air channel between the return air side of the fresh air fan main body and the air exhaust inlet of the heat exchange module;
the outdoor air inlet opening and closing mechanism can conduct or separate an air channel between the air inlet side of the fresh air fan main body and the air supply inlet of the heat exchange module;
the return air inlet opening and closing mechanism can be used for conducting or separating an air channel between the return air cavity of the fresh air machine main body and the air inlet cavity of the fresh air machine main body.
Preferably, the air duct adjusting device further includes: a linkage mechanism; the linkage mechanism can enable one of the indoor return air opening and closing mechanism and the return air inlet opening and closing mechanism to be in a conducting state, and the other one of the indoor return air opening and closing mechanism and the return air inlet opening and closing mechanism to be in a separating state.
Preferably, the indoor return air opening and closing mechanism includes:
the first air door is arranged between the air return side of the fresh air fan main body and the air exhaust inlet of the heat exchange module;
return air inlet closing mechanism includes:
the second air door is arranged between the air return cavity of the fresh air machine main body and the air inlet cavity of the fresh air machine main body;
the link gear includes:
the first door body baffle is used for being matched with the first air door or the second air door;
and the first switching mechanism is used for driving the first door body baffle to be matched with the first air door or the second air door.
Preferably, the first damper and the second damper are arranged in a connected manner; the first door body baffle is rotatably arranged at the joint of the first air door and the second air door.
Preferably, the first switching mechanism is arranged between the first air door and an exhaust inlet of the heat exchange module, or arranged on one side of the second air door close to an air inlet cavity of the fresh air machine main body.
Preferably, the first switching mechanism includes: a linkage mechanism.
Preferably, the outdoor air inlet opening and closing mechanism includes:
the second door body baffle plate component can be opened and closed and is arranged in the air inlet side of the fresh air machine main body.
Preferably, the method further comprises the following steps: an outdoor air sensor and an indoor air sensor;
the outdoor air sensor is arranged on the air inlet side of the fresh air fan main body; the indoor air sensor is arranged on the air return side of the fresh air machine main body;
the controller of the fresh air fan can control the air channel adjusting device to enter an internal circulation mode when the fresh air exchange requirement inside and outside the room is reduced or not required according to the comparison result of the detection data of the outdoor air sensor and the detection data of the indoor air sensor;
in the internal circulation mode, the indoor return air opening and closing mechanism can cut off an air channel between the return air side of the fresh air machine main body and the exhaust inlet of the heat exchange module, the outdoor inlet air opening and closing mechanism can cut off an air channel between the inlet air side of the fresh air machine main body and the air supply inlet of the heat exchange module, and the return air inlet opening and closing mechanism can conduct an air channel between the return air cavity of the fresh air machine main body and the air inlet cavity of the fresh air machine main body.
Preferably, the outdoor air sensor and the indoor air sensor each include: an air quality sensor;
the controller of the fresh air machine can control the air channel adjusting device to enter the internal circulation mode when the detection data of the outdoor air quality sensor is worse than the detection data of the indoor air quality sensor or the detection data of the indoor air quality sensor exceeds an indoor air quality preset value according to the comparison result of the detection data of the outdoor air quality sensor and the detection data of the indoor air quality sensor.
Preferably, the method further comprises the following steps: a first screen assembly and a second screen assembly;
the first filter screen assembly is arranged at an exhaust air inlet of the heat exchange module; the second filter screen assembly is arranged at an air supply inlet of the heat exchange module.
According to the technical scheme, the air channel adjusting device is additionally arranged in the fresh air machine main body, and the indoor air exhaust internal circulation mode is realized based on the opening and closing combination of different opening and closing mechanisms in the air channel adjusting device, so that the fresh air machine with the internal circulation air purifying function has the function of internal circulation of indoor space air when the indoor and outdoor fresh air exchange requirements are reduced or not required, the use scene of the existing fresh air machine is expanded, and the total air quality of the indoor space is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fresh air machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fresh air machine according to another embodiment of the present invention;
fig. 3 is a schematic airflow direction diagram of a fresh air exchange mode of the fresh air machine according to the embodiment of the present invention;
FIG. 4 is a schematic flow diagram illustrating an inner circulation purge mode of a fresh air machine according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating a closed state of a second damper and a first door body baffle according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating a closed state of a first damper and a first door body baffle according to an embodiment of the present invention;
fig. 7 is a schematic view illustrating an opened state of a second door body barrier assembly according to an embodiment of the present invention;
fig. 8 is a schematic view illustrating a closed state of a second door body barrier assembly according to an embodiment of the present invention.
The air conditioner comprises a fan, a heat exchange module, a fresh air fan, a first fan assembly, a second fan assembly, a fresh air fan main body, an air inlet cavity, an air return cavity, an air supply cavity, an air exhaust cavity, a first filter screen assembly, a first air door, a first door body baffle, a second air door, a second filter screen assembly, a heat exchange module, a second air door baffle and a fresh air fan upper shell, wherein 1 is the first fan assembly, 2 is the second fan assembly, 3 is the fresh air fan main body, 3-1 is the air inlet cavity, 3-2 is the air return cavity, 3-3 is the air supply cavity, 3-4 is the air exhaust cavity, 4 is the first filter screen assembly, 5 is the first air door body baffle, 6 is the second air door body baffle, 7 is the second air door, 8 is the second filter screen assembly, 9 is the heat exchange module, 10 is the second air door baffle and 11 is the fresh air fan upper shell;
OA is the air inlet side, SA is the air supply side, RA is the air return side, and EA is the air exhaust side.
Detailed Description
The invention discloses a fresh air machine with an internal circulation air purification function, which relates to a brand new air channel layout structure of the fresh air machine, wherein an air door structure is added in the product, and when the existing product has indoor and outdoor bidirectional fresh air exchange, the air purification function of an indoor space is realized through the opening and closing combination of the air door, or part of the bidirectional fresh air exchange and part of the indoor air purification function are simultaneously realized, so that the total air quality of the indoor space is improved.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The fresh air machine with the internal circulation air purification function provided by the embodiment of the invention, as shown in fig. 1, comprises: new fan main part 3 and set up heat exchange module 9 in new fan main part 3, still include: an air duct adjusting device arranged in the fresh air machine main body 3; the air duct adjusting device comprises: the indoor return air switching mechanism, the outdoor air inlet switching mechanism and the return air inlet switching mechanism;
the indoor return air opening and closing mechanism can conduct or separate an air channel between the return air side RA of the fresh air fan main body 3 and the air exhaust inlet of the heat exchange module 9;
the outdoor air inlet opening and closing mechanism can conduct or cut off an air channel between the OA on the air inlet side of the fresh air fan main body 3 and the air supply inlet of the heat exchange module 9;
the return air and inlet air switching mechanism can conduct or cut off an air channel between a return air cavity 3-2 of the fresh air fan main body 3 and an inlet air cavity 3-1 of the fresh air fan main body 3;
first, as shown in fig. 1, the fresh air blower main body 3 is divided into an air inlet chamber 3-1, a return air chamber 3-2, an air supply chamber 3-3 and an air exhaust chamber 3-4 according to the cooperation with the heat exchange module 9. In addition, the fresh air machine main body 3 is provided with 4 air inlet and outlet interfaces which are respectively an air inlet side OA, an air return side RA, an air supply side SA and an air exhaust side EA; secondly, it should be noted that the air duct adjusting device has a fresh air changing mode and an internal circulation mode, and the air duct adjusting device can be switched between the fresh air mode and the internal circulation mode:
when the fresh air is changed, the indoor return air opening and closing mechanism can conduct an air channel between the return air side RA of the fresh air fan main body 3 and the air exhaust inlet of the heat exchange module 9, the outdoor inlet air opening and closing mechanism can conduct an air channel between the air inlet side OA of the fresh air fan main body 3 and the air supply inlet of the heat exchange module 9, and the return air inlet opening and closing mechanism can cut off the air channel between the return air cavity 3-2 of the fresh air fan main body 3 and the air inlet cavity 3-1 of the fresh air fan main body 3;
when in an internal circulation mode, the indoor return air opening and closing mechanism can cut off an air channel between the return air side RA of the fresh air fan main body 3 and the air exhaust inlet of the heat exchange module 9, the outdoor inlet air opening and closing mechanism can cut off an air channel between the air inlet side OA of the fresh air fan main body 3 and the air supply inlet of the heat exchange module 9, and the return air inlet opening and closing mechanism can conduct an air channel between the return air cavity 3-2 of the fresh air fan main body 3 and the air inlet cavity 3-1 of the fresh air fan main body 3.
According to the technical scheme, the fresh air fan with the internal circulation air purification function provided by the embodiment of the invention has the advantages that the air channel adjusting device is additionally arranged in the fresh air fan main body, and the internal circulation of indoor exhaust air can be realized based on the opening and closing combination of different opening and closing mechanisms in the air channel adjusting device, so that the indoor air circulation function can be realized when the indoor and outdoor fresh air exchange requirements are reduced or not required, and the use scene of the existing fresh air fan is expanded; and at the same time, the total air quality of the indoor space is improved.
Specifically, the air duct adjusting device further includes: a linkage mechanism; the linkage mechanism can enable one of the indoor return air opening and closing mechanism and the return air inlet opening and closing mechanism to be in a conducting state and the other one to be in a partition state, so that the on-off of the air exhaust duct and the through of the air exhaust duct and the air supply duct are in opposite arrangement, namely one-on-off is realized, and the mutual switching of a fresh air changing mode and an internal circulation mode is ensured. In this scheme, through air duct adjusting device's linkage design, help having promoted the reliability that air duct adjusting device adjusted, also make air duct adjusting device's structure compacter moreover to this installation space who has simplified air duct adjusting device.
In this aspect, as shown in fig. 1, the indoor return air opening/closing mechanism includes:
the first air door 5 is arranged between the air return side RA of the fresh air machine main body 3 and the air exhaust inlet of the heat exchange module 9;
return air inlet closing mechanism includes:
the second air door 7 is arranged between the air return cavity 3-2 of the fresh air machine main body 3 and the air inlet cavity 3-1 of the fresh air machine main body 3; it should be noted that the first damper 5 and the second damper 7 are both of a door frame structure. The first door body baffle 6 and the first air door 5 or the second air door 7 are closed, so that the conduction or the separation of different air channels is realized;
the link gear includes:
the first door body baffle 6 is used for being matched with the first air door 5 or the second air door 7;
and the first switching mechanism is used for driving the first door body baffle 6 to be matched with the first air door 5 or the second air door 7. It should be noted that the first switching mechanism drives the first door body baffle 6 to close one of the first air door 5 and the second air door 7, and the other one is in an open state, so as to achieve the effects of blocking one air duct and conducting the other air duct, so as to achieve the purpose of blocking an air exhaust air duct and penetrating the air inlet cavity 3-1 and the air return cavity 3-2, or achieve the purpose of conducting the air exhaust air duct and blocking the air inlet cavity 3-1 and the air return cavity 3-2, thereby facilitating the air duct adjusting device to achieve a fresh air changing mode or an internal circulation mode.
In order to further optimize the above technical solution, as shown in fig. 1, the first damper 5 and the second damper 7 are connected; the first door body baffle 6 is rotatably arranged at the joint of the first air door 5 and the second air door 7; the first switching mechanism can drive the first door body baffle 6 to rotate to be closed with the first air door 5 or the second air door 7. Specifically, when the first door body baffle 6 and the first air door 5 are in a closed state, the second air door 7 is in an open state; on the contrary, when the first door body baffle 6 and the second air door 7 are in a closed state, the first air door 5 is in an open state, so that the opening and closing actions of the indoor return air opening and closing mechanism are opposite to the opening and closing actions of the return air inlet opening and closing mechanism, and the air duct adjusting device can realize a fresh air changing mode or an internal circulation mode; moreover, based on the design, the air duct adjusting device provided by the invention has the characteristics of simple and convenient structure, compact structure, quick adjustment and the like.
Preferably, as shown in fig. 5 and 6, the first switching mechanism includes: a linkage mechanism. The free end of the link mechanism is connected to the first door body baffle 6 to drive the first door body baffle 6 to rotate around the joint of the first air door 5 and the second air door 7. In the scheme, the connecting rod mechanism is selected as the transmission mechanism of the first door body baffle 6, and the door body baffle has the characteristics of simple structure, large transmission stroke, good transmission performance and the like.
In the scheme, as shown in fig. 5 and 6, the first switching mechanism is arranged between the exhaust inlets of the first air door 5 and the heat exchange module 9, or is arranged on one side of the second air door 7 close to the air inlet cavity 3-1 of the fresh air blower main body 3, so that the first switching mechanism is distributed on the outer side of the first air door 5 or the second air door 7, the first switching mechanism is prevented from blocking the rotation of the first door body baffle 6 between the first air door 5 and the second air door 7, the smooth rotation of the first door body baffle 6 is ensured, and the feasibility of the air duct adjusting mechanism is ensured.
In this scheme, as shown in fig. 2, outdoor air inlet closing mechanism includes:
a second door body baffle component which can be opened and closed and is arranged in the air inlet side OA of the fresh air machine main body 3; specifically, the air inlet side OA of the fresh air machine main body 3 is conducted by opening the second door body baffle assembly, which is beneficial to realizing a fresh air mode; accordingly, the air inlet side OA of the fresh air machine main body 3 is blocked by closing the second door body baffle assembly, thereby facilitating the realization of the internal circulation mode.
Specifically, as shown in fig. 7 and 8, the second door body barrier assembly includes:
a plate shaft provided in the air intake side OA of the fresh air blower main body 3;
the two half second door body baffles 10 can be rotatably arranged on the plate shaft so as to be unfolded or folded, and the two second door body baffles 10 can be in contact fit with the inner wall of the air inlet side OA of the fresh air fan main body 3 when being unfolded; it should be noted that, for the two second door baffles 10, the air inlet side OA of the fresh air machine main body 3 can be blocked in the expanded state, and the air inlet side OA of the fresh air machine main body 3 can be conducted in the closed state;
and a second switching mechanism for driving the two second door shutters 10 to rotate. Namely, the two semicircular second door body baffles 10 are driven to rotate around the plate shafts through the second switching mechanism, so that the two baffles are folded or unfolded, the effect of conducting or isolating the air inlet side OA of the fresh air fan main body 3 is achieved, and the fresh air fan has the characteristics of simple structure, quick opening and closing and the like.
In this scheme, the fresh air machine with an internal circulation air purification function provided by the embodiment of the present invention further includes: an outdoor air sensor and an indoor air sensor;
the outdoor air sensor is arranged on the air inlet side OA of the fresh air machine main body 3; the indoor air sensor is arranged on the air return side RA of the fresh air machine main body 3;
the controller of the fresh air fan can control the air channel adjusting device to enter an internal circulation mode when the fresh air exchange requirements of the indoor and outdoor are reduced or not required according to the comparison result of the detection data of the outdoor air sensor and the detection data of the indoor air sensor;
in the internal circulation mode, the indoor return air opening and closing mechanism can cut off an air channel between the return air side RA of the fresh air fan main body 3 and an exhaust inlet of the heat exchange module 9, the outdoor inlet air opening and closing mechanism can cut off an air channel between the inlet air side OA of the fresh air fan main body 3 and an air supply inlet of the heat exchange module 9, and the return air inlet opening and closing mechanism can conduct an air channel between the return air cavity 3-2 of the fresh air fan main body 3 and the air inlet cavity 3-1 of the fresh air fan main body 3.
Further, the air channel adjusting device selects the operation mode of the air channel adjusting device by comparing the difference of indoor and outdoor air quality. Specifically, when the indoor air quality is lower than the outdoor air quality, the air channel adjusting device starts a fresh air changing mode, namely, fresh outdoor air is introduced into the room, and dirty indoor air is discharged to the outside; when the indoor air quality is better than the outdoor air quality, the air channel adjusting device starts an internal circulation purification mode, namely, the air channel adjusting device stops introducing outdoor fresh air into the room and discharges the indoor air to the air supply air channel for continuous internal circulation purification.
In order to further optimize the above technical solution, the outdoor air sensor and the indoor air sensor both include: an air quality sensor. The controller of the fresh air machine can control the air channel adjusting device to enter an internal circulation mode when the detection data of the outdoor air quality sensor is worse than that of the indoor air quality sensor or the detection data of the indoor air quality sensor exceeds an indoor air quality preset value according to the comparison result of the detection data of the outdoor air quality sensor and the detection data of the indoor air quality sensor. Specifically, the system compares the air quality value (particulate matter concentration and TVOC parameter) detected by the outdoor air sensor with the air quality value detected by the indoor air sensor to select a proper operation mode; in addition, in the fresh air exchange mode, the system can determine the air exchange speed according to the indoor and outdoor temperature difference so as to achieve the purposes of meeting the air quality requirement and reducing the electric power and the system maintenance cost due to the reduction of the heat load of the indoor air conditioning system.
In order to further optimize the above technical solution, as shown in fig. 1, the fresh air blower with an internal circulation air purification function according to an embodiment of the present invention further includes: a first screen assembly 4 and a second screen assembly 8;
the first filter screen assembly 4 is arranged at an exhaust air inlet of the heat exchange module 9 so as to achieve the effect of purifying exhaust air; the second filter screen assembly 8 is arranged at an air supply inlet of the heat exchange module 9 so as to achieve the effect of purifying the air supply. Certainly, in the internal circulation mode, indoor exhaust air enters the air inlet cavity 1-1 from the air exhaust cavity 1-2, flows through the second filter screen assembly 8 and then enters the heat exchange module 9, and therefore internal circulation purification of the exhaust air is achieved.
The present solution is further described below with reference to specific embodiments:
the invention aims to solve the problem that the traditional fresh air fan product does not have an internal circulation function. Specifically, add the function that an inner loop filtration and purification were filtered on current two-way flow new trend product, when indoor outer fresh air demand that trades reduces or does not need, possess the function of carrying out loop filtration and purification to the indoor space air to expand the use scene of current new fan.
The two air doors are additionally arranged in the bidirectional flow fresh air machine, and the opening and closing combination of the air doors and the internal airflow fan is controlled to realize the switching between the fresh air mode and the indoor air circulation purification mode.
The invention can close the fresh air mode and start the internal circulation air purification function when fresh air exchange is not needed, thereby reducing the heat load of the air conditioner and maintaining and improving the indoor air quality. Generally speaking, the internal circulation function is integrated on the fresh air equipment, the air purifier does not need to be bought independently, and the indoor space for placing the air purifier is saved.
Technical scheme of the invention
1. The technology comprises the following steps:
referring to fig. 1 and 2, the invention mainly comprises a first fan assembly 1, a second fan assembly 2, a fresh air machine main body 3, a first filter screen assembly 4, a first air door 5, a first door body baffle 6, a second air door 7, a second filter screen assembly 8, a heat exchange module 9, a second air door baffle 10, a fresh air machine upper shell 11, and 4 air inlet and outlet ports of the fresh air machine main body, which are respectively an outdoor air inlet side OA (namely an air inlet side OA, the same below), an indoor air supply side SA (namely an air supply side SA, the same below), an indoor air return side RA (namely an air return side RA, the same below), an outdoor air exhaust side EA (namely an air exhaust side EA, the same below), and the like.
The technical components are explained as follows: the first fan assembly 1 and the second fan assembly 2 are fixed on the fresh air machine main body 3, and air outlets of the first fan assembly and the second fan assembly are respectively an outdoor air exhaust side EA and an indoor air supply side SA; the heat exchange module 9 is arranged in the middle of a product, a first filter screen assembly 4 is arranged at a position close to an indoor air return side RA, and a second filter screen assembly 8 is arranged at a position close to an outdoor air inlet side OA; a second air door 7 is arranged between the indoor air return side RA and the outdoor air inlet side OA; a first air door 5 is arranged between the indoor air return side RA and the first filter screen assembly 4 and the heat exchange module 9; a shared first door body baffle 6 is arranged between the first air door 5 and the second air door 7; a second air door baffle 10 is arranged on the outdoor air inlet side OA; the fresh air machine upper shell 11 is arranged on the fresh air machine main body 3 and other parts, so that the fresh air machine upper shell is matched with related parts to form some related isolated spaces.
2. The working principle is as follows:
the working principle of the invention is shown in fig. 3 and 4, and the working principle is as follows:
in a conventional fresh air mode, the first door body baffle 6 and the second air door 7 are closed, and the second air door baffle 10 is opened; the outdoor fresh air passes through the outdoor air inlet side OA, the second filter screen assembly 8 and the heat exchange module 9 by the suction force generated after the second fan assembly 2 is started, and is finally sent into the indoor space from the indoor air supply side SA; the suction that indoor air produced after opening through first fan assembly 1 is passed through indoor return air side RA, first air door 5, first filter screen assembly 4, heat exchange module 9, and finally is arranged to outdoor by outdoor exhaust side EA.
In the indoor air circulation and purification mode, the first door body baffle 6 and the first air door 5 are closed, and the second air door 7 is opened; the second damper 10 is closed to close the passage for the outdoor air to enter the fresh air machine from the outdoor air inlet side OA; indoor air passes through the suction that produces after second fan assembly 2 opened, through indoor return air side RA, second air door 7, second filter screen subassembly 8, heat exchange module 9, finally sends into the interior space by indoor giving wind side SA, and the air that the in-process flows through second filter screen subassembly 8 and has filtered and purify. The air in the indoor space is continuously filtered and purified in a circulating way, so that the indoor air quality is maintained or improved.
When the indoor fresh air quantity is insufficient (such as CO)2Harmful gases such as content and TVOC exceed the set standard), switching to a fresh air mode so as to exchange indoor and outdoor air in time, supplement fresh air and reduce indoor CO2And content of gas such as TVOC.
Detailed Description
The method comprises the following specific implementation steps:
the fresh air machine product has the operation modes of fresh air exchange, internal circulation purification, automation and the like:
1. automatic mode: the product is according to particulate matter, TVOC, air quality parameter numerical values such as humiture that the sensor that outdoor air inlet side OA set up detected, compares with the air quality numerical value that detects at the indoor side again to select suitable operating mode.
And (3) air exchange process: the first door body baffle 6 and the second air door 7 are closed, and the second air door baffle 10 is opened; the outdoor fresh air passes through the suction force generated after the second fan assembly 2 is started, passes through the outdoor air inlet side OA, the second filter screen assembly 8 and the heat exchange module 9, and is finally sent into the indoor space through the indoor air inlet SA; the suction that indoor air produced after opening through first fan assembly 1 is passed through indoor return air side RA, first air door 5, first filter screen assembly 4, heat exchange module 9, and finally is arranged to outdoor by outdoor exhaust side EA.
When the indoor air quality is worse than the outdoor air quality, the fresh air fan starts the fresh air changing mode (such as CO)2TVOC, etc., far above the set point), the fan assembly will rotate at a higher speedThe air conditioner runs quickly, outdoor fresh air is quickly introduced into the room, and indoor dirty air is discharged to the outside; after the preset value is reached, the system automatically reduces the running speed of the fan assembly so as to maintain and ensure the indoor air quality; if the preset value cannot be maintained, the system will automatically again increase the operating speed of the fan's components. Therefore, the running speed of the fan assembly is automatically adjusted according to the detection data of the system continuously to maintain the indoor air quality.
If the concentration of outdoor particulate matter or TVOC (total volatile organic compound) is detected to be lower than the indoor air quality, CO is rapidly converted in a fresh air change mode2After the concentration is reduced to a preset value, closing a fresh air exchange mode, starting an internal circulation purification mode, and filtering and purifying indoor air;
in addition, in the fresh air exchange mode, the system can determine the air exchange speed according to the indoor and outdoor temperature difference, so that the aims of meeting the air quality requirement and reducing the electric power and the system maintenance cost due to reduction of the heat load of the indoor air conditioning system are fulfilled.
2. And (3) a fresh air changing mode: in the mode of fresh air exchange, the system only exchanges air indoors and outdoors, and the running speed of the fan assembly is selected by comparing the difference of indoor and outdoor air quality.
3. An internal circulation purification mode: under the internal circulation purification mode, the system only performs circulation filtration and purification on indoor air, and cannot automatically start the fresh air exchange function to supplement outdoor fresh air to reduce indoor CO2Concentration and increase of oxygen content in the chamber.
The invention has the following improved innovation points:
1. when fresh air does not need to be exchanged indoors and outdoors, the fresh air mode can be closed, the internal circulation air purification function is started, the heat load of the air conditioner is reduced, and the indoor air quality is maintained and improved;
2. when fresh air needs to be changed, the indoor and outdoor air exchange is carried out by switching to the fresh air mode again, so that the energy is saved and the environment is protected;
3. the internal circulation air purification function has shared the air second filter screen subassembly 8 that introduces indoor air supply side SA new trend by outdoor air inlet side OA, has simplified structural design and the complexity of changing the filter screen.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A fresh air machine with an internal circulation air purification function comprises: new fan main part (3) and heat exchange module (9), its characterized in that still includes: the air channel adjusting device is arranged in the fresh air fan main body (3); the air duct adjusting device comprises: the indoor return air switching mechanism, the outdoor air inlet switching mechanism and the return air inlet switching mechanism;
the indoor return air opening and closing mechanism can conduct or separate an air channel between the return air side (RA) of the fresh air fan main body (3) and the air exhaust inlet of the heat exchange module (9);
the outdoor air inlet opening and closing mechanism can conduct or separate an air channel between an air inlet side (OA) of the fresh air fan main body (3) and an air supply inlet of the heat exchange module (9);
the return air inlet opening and closing mechanism can conduct or separate an air channel between the return air cavity (3-2) of the fresh air fan main body (3) and the air inlet cavity (3-1) of the fresh air fan main body (3).
2. The fresh air machine with internal circulation air purification function according to claim 1, wherein the air duct adjusting device further comprises: a linkage mechanism; the linkage mechanism can enable one of the indoor return air opening and closing mechanism and the return air inlet opening and closing mechanism to be in a conducting state, and the other one of the indoor return air opening and closing mechanism and the return air inlet opening and closing mechanism to be in a separating state.
3. The fresh air machine with an internal circulation air purification function according to claim 2, wherein the indoor return air opening/closing mechanism includes:
the first air door (5) is arranged between the air return side (RA) of the fresh air fan main body (3) and the air exhaust inlet of the heat exchange module (9);
return air inlet closing mechanism includes:
a second air door (7) arranged between the air return cavity (3-2) of the fresh air machine main body (3) and the air inlet cavity (3-1) of the fresh air machine main body (3);
the link gear includes:
the first door body baffle (6) is matched with the first air door (5) or the second air door (7);
and the first switching mechanism is used for driving the first door body baffle (6) to be matched with the first air door (5) or the second air door (7).
4. The fresh air machine with the internal circulation air purification function according to claim 3, wherein the first damper (5) and the second damper (7) are arranged in a connected manner; the first door body baffle (6) can be rotatably arranged at the joint of the first air door (5) and the second air door (7).
5. The fresh air machine with internal circulation air purification function according to claim 3, wherein the first switching mechanism is arranged between the first damper (5) and the exhaust inlet of the heat exchange module (9), or arranged on one side of the second damper (7) close to the intake chamber (3-1) of the fresh air machine main body (3).
6. The fresh air machine with the internal circulation air cleaning function according to claim 3, wherein the first switching mechanism includes: a linkage mechanism.
7. The fresh air machine with internal circulation air purification function according to claim 1, wherein the outdoor intake air opening and closing mechanism comprises:
a second door body baffle plate component which can be opened and closed and is arranged in the air inlet side (OA) of the fresh air machine main body (3).
8. The fresh air machine with an internal circulation air purification function according to claim 1, further comprising: an outdoor air sensor and an indoor air sensor;
the outdoor air sensor is arranged on the air inlet side (OA) of the fresh air fan main body (3); the indoor air sensor is arranged on the air return side (RA) of the fresh air fan main body (3);
the controller of the fresh air fan can control the air channel adjusting device to enter an internal circulation mode when the fresh air exchange requirement inside and outside the room is reduced or not required according to the comparison result of the detection data of the outdoor air sensor and the detection data of the indoor air sensor;
in the internal circulation mode, the indoor return air opening and closing mechanism can cut off an air channel between the return air side (RA) of the fresh air fan main body (3) and the air exhaust inlet of the heat exchange module (9), the outdoor inlet air opening and closing mechanism can cut off an air channel between the air inlet side (OA) of the fresh air fan main body (3) and the air supply inlet of the heat exchange module (9), and the return air inlet air opening and closing mechanism can conduct an air channel between the return air cavity (3-2) of the fresh air fan main body (3) and the air inlet cavity (3-1) of the fresh air fan main body (3).
9. The fresh air machine with the internal circulation air cleaning function according to claim 8, wherein the outdoor air sensor and the indoor air sensor each include: an air quality sensor;
the controller of the fresh air machine can control the air channel adjusting device to enter the internal circulation mode when the detection data of the outdoor air quality sensor is worse than the detection data of the indoor air quality sensor or the detection data of the indoor air quality sensor exceeds an indoor air quality preset value according to the comparison result of the detection data of the outdoor air quality sensor and the detection data of the indoor air quality sensor.
10. The fresh air machine with an internal circulation air purification function according to claim 1, further comprising: a first screen assembly (4) and a second screen assembly (8);
the first filter screen assembly (4) is arranged at an exhaust air inlet of the heat exchange module (9); the second filter screen assembly (8) is arranged at an air supply inlet of the heat exchange module (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135978.4A CN113418264A (en) | 2020-03-02 | 2020-03-02 | New fan with inner loop air purification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135978.4A CN113418264A (en) | 2020-03-02 | 2020-03-02 | New fan with inner loop air purification function |
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| CN113418264A true CN113418264A (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010135978.4A Pending CN113418264A (en) | 2020-03-02 | 2020-03-02 | New fan with inner loop air purification function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116970792A (en) * | 2023-06-25 | 2023-10-31 | 江苏甬金金属科技有限公司 | Hot air circulating type oxygen-isolation dustproof annealing furnace |
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