CN112378058B - Control method of fresh air machine - Google Patents
Control method of fresh air machine Download PDFInfo
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- CN112378058B CN112378058B CN202011284997.XA CN202011284997A CN112378058B CN 112378058 B CN112378058 B CN 112378058B CN 202011284997 A CN202011284997 A CN 202011284997A CN 112378058 B CN112378058 B CN 112378058B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000011084 recovery Methods 0.000 claims abstract description 71
- 230000017525 heat dissipation Effects 0.000 claims abstract description 30
- 238000007791 dehumidification Methods 0.000 claims abstract description 17
- 230000001276 controlling effect Effects 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 10
- 101150013030 FAN1 gene Proteins 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 222
- 230000033228 biological regulation Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 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
- 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
- F24F11/62—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
-
- 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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump 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
- 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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of a new fan, which relates to the technical field of radiation plates and is implemented by a new fan structure, wherein the new fan structure comprises an air inlet fan, an air exhaust fan and a circulation adjusting part; the device also comprises a primary adjusting device, a fresh air valve D1, a recovery air valve D2, a recovery air valve D3 and an excessive heat dissipation air valve D4, and the control method is as follows: fresh air dehumidification mode: opening fresh air valve D1, recovery air valve D3 and excess heat dissipation air valve D4, closing recovery air valve D2, and simultaneously, the compressor is turned on; then adjusting the primary adjusting device and the second condenser to enable the temperature value of the air outlet to be a preset temperature value F2; the humidity and temperature adjusting device can effectively adjust humidity and temperature, can realize various working modes through the arrangement of the initial adjusting device, and can meet different use requirements under different seasons.
Description
Technical Field
The invention relates to the technical field of fresh air blowers, in particular to a fresh air blower control method.
Background
In the field of indoor air conditioning and fresh air treatment, many devices are on the market; providing dehumidified cold air, for example by means of a fan coil or separator, to regulate the temperature in the room, these devices being guided by indoor thermostats which provide cold air to a minimum without controlling the humidity; in addition, these devices circulate the indoor air without any fresh air entering, other fresh air treatment devices or ventilation devices, which can provide fresh dehumidified air to the indoor environment, but cannot control the temperature or humidity of the air; above-mentioned prior art can not satisfy the requirement of people to the temperature and the humidity of air, and the travelling comfort is lower, and new fan efficiency is also not high moreover.
Disclosure of Invention
First, technical problem to be solved
The invention provides a control method of a fresh air fan aiming at the defects in the prior art, which solves the problem that the existing fresh air fan structure has poor humidity and temperature regulation effects and also solves the problem that the existing fresh air fan structure has a single working mode.
Second, technical scheme
In order to solve the technical problem, the invention provides a new Fan control method, which is implemented by a new Fan structure, wherein the new Fan structure comprises an air inlet Fan Fan1, an air outlet Fan Fan2 and a circulation regulation part;
the circulation adjusting part comprises an evaporator E, a compressor, a first condenser C2, a first expansion valve, a first condenser C1 and a second expansion valve which are sequentially communicated, and the second expansion valve is also communicated with the evaporator E;
the air intake Fan1 is used for making the outdoor air flow through the evaporator E and the first condenser C1 in turn and enter the room;
the exhaust Fan2 for passing the indoor air through the first condenser C2 and discharging it;
the circulation regulating part also comprises a bypass flow path provided with a bypass valve, and the bypass flow path is connected in parallel with a section of flow path communicated with the first expansion valve and the first condenser C1;
fresh air machine structure still includes:
a primary conditioner, through which outdoor air may sequentially flow into the room, an evaporator E and a first condenser C1;
the fresh air valve D1 and the fresh air valve D1 are used for controlling the flow of the intake air of the outdoor air entering the fresh air fan;
a recovery air valve D2, the recovery air valve D2 controlling the flow rate of the return air volume of the indoor air returning to the outside;
a recovery air valve D3, a recovery air valve D3 for controlling the flow rate of the air circulating in the chamber;
an excessive heat dissipation air valve D4, an excessive heat dissipation air valve D4 is used for controlling the flow rate of the air that the outdoor air assists in dissipating heat through the first condenser C2;
the control method comprises the following steps:
fresh air dehumidification mode:
opening fresh air valve D1, recovery air valve D3 and excess heat dissipation air valve D4, closing recovery air valve D2, and simultaneously, the compressor is turned on; and then adjusting the primary adjusting device and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
Fresh air constant temperature mode:
opening fresh air valve D1 and recovery air valve D3, closing recovery air valve D2 and excess heat dissipation air valve D4, while the compressor is off; and then adjusting the primary adjusting device to enable the temperature value of the air outlet to be a preset temperature value F2.
Hybrid air dehumidification mode:
opening a fresh air valve D1, a recovery air valve D2, a recovery air valve D3 and an excessive heat dissipation air valve D4, and simultaneously starting the compressor; and then adjusting the primary adjusting device and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
Mixed air constant temperature mode:
opening fresh air valve D1, recovery air valve D2, and recovery air valve D3, closing excess heat dissipation air valve D4, while the compressor is on; and then adjusting the primary adjusting device to enable the temperature value of the air outlet to be a preset temperature value F2.
And (3) a recovered air dehumidification mode:
opening a recovery air valve D2 and an excessive heat dissipation air valve D4, and closing a fresh air valve D1 and a recovery air valve D3, wherein air exchange does not exist between the indoor space and the outdoor space, and the compressor is started; and then adjusting the primary adjusting device and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
The air recovery constant temperature mode comprises the following steps:
opening the recovery air valve D2, closing the fresh air valve D1, the recovery air valve D3 and the excessive heat dissipation air valve D4, when there is no air exchange between the indoor and outdoor, and the compressor is closed; and then adjusting the primary adjusting device to enable the temperature value of the air outlet to be a preset temperature value F2.
Fresh air mode:
fresh air valve D1, recovery air valve D3, and excess heat dissipation air valve D4 were opened, recovery air valve D2 was closed, and the compressor was turned off.
Wherein, the primary adjusting device comprises a fin coil and a coil valve, the coil valve is used for controlling the circulation of a temperature medium in the fin coil to realize primary cooling or heating of outdoor air, and a temperature sensor is arranged between the fin coil and the coil valve.
The fresh air fan structure further comprises a first sensor for detecting the flow rate and the temperature and humidity of air flowing through the first condenser C2;
a second sensor for detecting the flow rate and temperature and humidity of the air passing through the first condenser C1;
the third sensor is used for detecting the flow rate and the temperature and humidity of outdoor air entering from the primary adjusting device;
a dew point sensor Tdew for detecting the dew point temperature at the evaporator E.
The new air blower structure further comprises a controller, and the controller is used for receiving sensor value signals and adjusting the fresh air valve D1, the recovery air valve D2, the recovery air valve D3 and the excessive heat dissipation air valve D4.
Third, beneficial effect
Compared with the prior art, the fresh air fan control method realizes effective regulation of humidity and temperature, and particularly realizes regulation of humidity and temperature through the arrangement of the evaporator E, the first condenser C2 and the first condenser C1, so that regulation of different working modes is realized; furthermore, the calibration expansion valve and the second expansion valve are connected in parallel, so that the more stable control of the outlet air temperature is realized;
simultaneously, through the setting to the initial setting device, can realize multiple mode, can satisfy the different user demands under the different season circumstances.
Drawings
FIG. 1 is a schematic view of a new fan structure according to the present invention;
FIG. 2 is a schematic view of the fresh air dehumidification mode of the present invention;
FIG. 3 is a schematic view of the fresh air temperature setting mode of the present invention;
FIG. 4 is a schematic illustration of a hybrid air dehumidification mode of the present invention;
FIG. 5 is a schematic illustration of a mixed air constant temperature mode of the present invention;
FIG. 6 is a schematic illustration of the recovery air dehumidification mode of the present invention;
FIG. 7 is a schematic view of a recovery air temperature setting mode of the present invention;
FIG. 8 is a schematic of the fresh air mode of the present invention;
in the figure: 3 is a primary adjusting device; 4 is a circulation adjusting part; 5 is a controller; 11 is a compressor; 14 is a first expansion valve; 15 is a second expansion valve; 16 is a calibration expansion valve; 17 is a bypass valve; 18 is a bypass flow path; 19 is a coil valve; and 20 is a temperature sensor.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
as shown in fig. 1, the fresh air machine control method according to the embodiment of the present invention is implemented by a fresh air machine structure, which includes an air intake Fan1, an air exhaust Fan2, and a circulation adjusting unit 4;
the circulation adjusting part 4 comprises an evaporator E, a compressor 11, a first condenser C2, a first expansion valve 14, a first condenser C1 and a second expansion valve 15 which are sequentially communicated, and the second expansion valve 15 is also communicated with the evaporator E;
the air intake Fan1 is used for making the outdoor air flow through the evaporator E and the first condenser C1 in turn and enter the room;
the exhaust Fan2 for passing the indoor air through the first condenser C2 and discharging it;
the circulation regulation part 4 further includes a bypass flow path 18 provided with a bypass valve 17, the bypass flow path 18 being connected in parallel with a flow path section where the first expansion valve 14 and the first condenser C1 communicate;
that is, when the first expansion valve 14 is closed and the bypass valve 17 is opened, the medium flowing in the circulation regulation part does not flow through the first condenser C1, and when the first expansion valve 14 is opened and the bypass valve 17 is closed, the temperature control of the air can be realized by the first condenser C1, and thus the controller realizes different operation mode regulation by controlling the corresponding valves and controlling the operation conditions of the evaporator E and the first condenser C1.
In the structure of the new air blower in the embodiment, air inlet and air outlet are realized through the air inlet Fan1 and the air exhaust Fan2, and the arrangement of the air exhaust Fan2 and the first condenser C2 realizes the recovery of medium heat; meanwhile, under different modes, the indoor air and ambient air can be refreshed, the indoor air can be recycled, and corresponding heating and cooling modes can be realized.
Fresh air machine structure still includes:
the primary adjustment device 3, outdoor air can flow through the primary adjustment device 3, the evaporator E and the first condenser C1 to enter the room;
the fresh air valve D1 and the fresh air valve D1 are used for controlling the flow of the intake air of the outdoor air entering the fresh air fan;
a recovery air valve D2, the recovery air valve D2 controlling the flow rate of the return air volume of the indoor air returning to the outside;
a recovery air valve D3, a recovery air valve D3 for controlling the flow rate of the air circulating in the chamber;
an excessive heat dissipation air valve D4, an excessive heat dissipation air valve D4 is used for controlling the flow rate of the air that the outdoor air assists in dissipating heat through the first condenser C2;
the control method of the fresh air machine in the embodiment is as follows:
fresh air dehumidification mode:
as shown in fig. 2, the fresh air valve D1, the recovery air valve D3, and the excessive heat dissipation air valve D4 are opened, the recovery air valve D2 is closed, and the compressor is turned on; and then adjusting the primary adjusting device 3 and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
Fresh air constant temperature mode:
as shown in fig. 3, the fresh air valve D1 and the recovery air valve D3 are opened, the recovery air valve D2 and the excessive heat dissipation air valve D4 are closed, and the compressor is closed; then, adjusting the primary adjusting device 3 to enable the temperature value of the air outlet to be a preset temperature value F2, and in summer, cold water flows through the primary adjusting device 3 to realize cooling adjustment of outdoor air; in winter, hot water circulates in the primary adjusting device 3 to realize the temperature rise adjustment of outdoor air.
Hybrid air dehumidification mode:
as shown in fig. 4, the fresh air valve D1, the recovery air valve D2, the recovery air valve D3, the excessive heat dissipation air valve D4 are opened while the compressor is turned on; and then adjusting the primary adjusting device 3 and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
Mixed air constant temperature mode:
as shown in fig. 5, the fresh air valve D1, the recovery air valve D2, and the recovery air valve D3 are opened, the excessive heat dissipation air valve D4 is closed, and the compressor is turned on; then, adjusting the primary adjusting device 3 to enable the temperature value of the air outlet to be a preset temperature value F2, and in summer, cold water flows through the primary adjusting device 3 to realize cooling adjustment of outdoor air; in winter, hot water circulates in the primary adjusting device 3 to realize the temperature rise adjustment of outdoor air.
And (3) a recovered air dehumidification mode:
as shown in fig. 6, the recovery air valve D2 and the excessive heat dissipation air valve D4 are opened, and the fresh air valve D1 and the recovery air valve D3 are closed, at which time there is no air exchange between the indoor and outdoor, and the compressor is turned on; and then adjusting the primary adjusting device 3 and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
The air recovery constant temperature mode comprises the following steps:
as shown in fig. 7, the recovery air valve D2 is opened, and the fresh air valve D1, the recovery air valve D3 and the excessive heat dissipation air valve D4 are closed, at which time the indoor and outdoor air are not exchanged and the compressor is turned off; then, adjusting the primary adjusting device 3 to enable the temperature value of the air outlet to be a preset temperature value F2, and in summer, cold water flows through the primary adjusting device 3 to realize cooling adjustment of outdoor air; in winter, hot water circulates in the primary adjusting device 3 to realize the temperature rise adjustment of outdoor air.
Fresh air mode:
as shown in fig. 8, the fresh air valve D1, the recovery air valve D3, and the excess heat dissipation air valve D4 are opened, the recovery air valve D2 is closed, and the compressor is turned off.
F2 is set to 22 c by default in this example,
in addition, in a transition season, namely, when no cold or hot water is supplied and only the compressor works, the fresh air dehumidification mode, the mixed air dehumidification mode, the recovered air dehumidification mode and the fresh air mode can be realized under the condition that the primary adjustment device 3 is not started.
Specifically, primary adjusting device 3 includes fin coil pipe and coil pipe valve 19, thereby coil pipe valve 19 is used for the circulation of control temperature medium in the fin coil pipe to realize the primary cooling or the heating to outdoor air, is equipped with temperature sensor 20 between fin coil pipe and the coil pipe valve 19.
The fresh air fan structure also comprises a first sensor TH-F3 used for detecting the flow rate and the temperature and humidity of air flowing through the first condenser C2;
a second sensor TH-F2 for detecting the flow rate and temperature and humidity of the air passing through the first condenser C1;
a third sensor TH-F1 for detecting the flow rate and temperature and humidity of the outdoor air supplied from the primary air conditioner 3;
a dew point sensor Tdew for detecting the dew point temperature at the evaporator E.
The new fan structure further comprises a controller 5, and the controller 5 is used for receiving sensor value signals and adjusting the fresh air valve D1, the recovery air valve D2, the recovery air valve D3 and the excessive heat dissipation air valve D4, so that different working modes are realized.
Specifically, the evaporator E subsequently cools and dehumidifies the air. The air dew point is detected by a dew point sensor Tdew at the stage, the circulation adjusting part also comprises a one-way valve 21 and a calibration expansion valve 16, the one-way valve 21 is arranged between the first condenser C1 and the second expansion valve 15, the condition that the circulating medium flows back into the first condenser C1 when the bypass flow path 18 is opened is prevented, and the calibration expansion valve 16 is connected with the second expansion valve 15 in parallel; in the embodiment, the first condenser C1 controls the air supply temperature, and the first condenser C2 discharges the medium heat to the external environment through the exhaust Fan 2; this new fan structure has both used discharged rotten air, has used extra outside air current again under the condition of needs. The first expansion valve 14 and the second expansion valve 15 cooperate to distribute the heat of the condenser medium in a desired proportion between the incoming air and the outgoing air; this allows the temperature of the exhausted air to be controlled.
Example 2:
compared with the embodiment 1, in this embodiment, the novel new fan structure further includes the primary adjustment device 3, and the outdoor air sequentially flows through the primary adjustment device 3, the evaporator E and the first condenser C1 to enter the room;
the primary temperature adjusting device 3 is used for primary temperature adjustment of outdoor air.
The primary adjustment device 3 comprises a finned coil and a coil valve 19, wherein the coil valve 19 is used for controlling the circulation of a temperature medium in the finned coil so as to realize primary cooling or heating of outdoor air.
A temperature sensor 20 is provided between the finned coil and the coil valve 19.
Specifically, the third sensor TH-F1 monitors the humidity and temperature of the outdoor intake air, and the controller 5 combines the data of the medium temperature detected by the temperature sensor 20 according to the data detected by the sensors, through controlling the disc tube valve 19, thereby controlling the state of the medium flowing into the fin coil tube, and realizing the primary cooling of the air.
The operation mode of the fresh air structure of the embodiment is as follows:
obtaining the initial humidity and temperature value of the air through a third sensor TH-F1, and performing primary cooling on the air through a primary adjusting device; the air is cooled and dehumidified for the second time through the evaporator E, the dew point temperature of the air is measured at the stage, the air is subjected to temperature control through the first condenser C1, excess heat in the medium is radiated through the first condenser C2, and the excess heat is exhausted through the exhaust Fan Fan 2;
then, the heat between the first condenser C2 and the first condenser C1 reaches the required proportion by adjusting the first expansion valve 14 and the second expansion valve 15, and the fresh air fan structure of the embodiment has an obvious temperature and humidity control function, can realize air renewal in winter and summer and high-efficiency cold and heat recovery; air dehumidification and refrigeration in summer and temperature regulation of discharged air; and winter air heating.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. A new Fan control method is characterized in that the new Fan control method is implemented by a new Fan structure which comprises an air inlet Fan Fan1, an air outlet Fan Fan2 and a circulation regulating part (4);
the circulation adjusting part (4) comprises an evaporator E, a compressor (11), a first condenser C2, a first expansion valve (14), a first condenser C1 and a second expansion valve (15) which are sequentially communicated, and the second expansion valve (15) is also communicated with the evaporator E;
the air intake Fan1 is used for making outdoor air flow through the evaporator E and the first condenser C1 in sequence and enter the room;
the exhaust Fan2 for allowing the indoor air to flow through the first condenser C2 and to be discharged;
the circulation regulating part (4) also comprises a bypass flow path (18) provided with a bypass valve (17), and the bypass flow path (18) is connected in parallel with a section of flow path communicated with the first expansion valve (14) and the first condenser C1;
the circulation adjusting part (4) further comprises a one-way valve (21) and a calibration expansion valve (16), the one-way valve (21) is arranged between the first condenser C1 and the second expansion valve (15) and is used for preventing the circulating medium from flowing back into the first condenser C1 when the bypass flow path (18) is opened, and the calibration expansion valve (16) is connected with the second expansion valve (15) in parallel;
new fan structure still includes:
a primary conditioner (3) through which outdoor air may sequentially flow into the room, the evaporator (3), and the first condenser (C1);
the fresh air valve D1 is used for controlling the flow of the outdoor air entering the fresh air fan;
a recovery air valve D2, the recovery air valve D2 being used for controlling the flow rate of the return air volume of the indoor air returning to the outside;
a recovery air valve D3, the recovery air valve D3 being used for controlling the flow rate of the air circulating in the chamber;
an excessive heat dissipation air valve D4, the excessive heat dissipation air valve D4 being used for controlling the flow rate of the air that the outdoor air assists in dissipating heat through the first condenser C2;
the control method comprises the following steps:
fresh air dehumidification mode: opening the fresh air valve D1, the recovery air valve D3 and the excess heat air valve D4, closing the recovery air valve D2 while the compressor is on;
and then adjusting the primary adjusting device (3) and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
2. The control method of a new fan according to claim 1, wherein the control method further comprises,
fresh air constant temperature mode: opening the fresh air valve D1 and the recovery air valve D3, closing the recovery air valve D2 and the excess heat dissipation air valve D4, while the compressor is off;
and then adjusting the primary adjusting device (3) to enable the temperature value of the air outlet to be a preset temperature value F2.
3. The control method of a new fan according to claim 1, wherein the control method further comprises,
hybrid air dehumidification mode: opening the fresh air valve D1, the recovery air valve D2, the recovery air valve D3 and the excessive heat dissipation air valve D4, and simultaneously starting a compressor;
and then adjusting the primary adjusting device (3) and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
4. The control method of a new fan according to claim 1, wherein the control method further comprises,
mixed air constant temperature mode: opening the fresh air valve D1, the recovery air valve D2 and the recovery air valve D3, closing the excessive heat dissipation air valve D4, and simultaneously opening the compressor;
and then adjusting the primary adjusting device (3) to enable the temperature value of the air outlet to be a preset temperature value F2.
5. The control method of a new fan according to claim 1, wherein the control method further comprises,
and (3) a recovered air dehumidification mode: opening the recovery air valve D2 and the excessive heat dissipation air valve D4, and closing the fresh air valve D1 and the recovery air valve D3, wherein air exchange does not exist between the indoor space and the outdoor space, and the compressor is started;
and then adjusting the primary adjusting device (3) and the first condenser C1 to enable the temperature value of the air outlet to be a preset temperature value F2.
6. The control method of a new fan according to claim 1, wherein the control method further comprises,
the air recovery constant temperature mode comprises the following steps: opening the recovery air valve D2, closing the fresh air valve D1, the recovery air valve D3 and the excessive heat dissipation air valve D4, when there is no air exchange between the indoor and outdoor, and the compressor is closed;
and then adjusting the primary adjusting device (3) to enable the temperature value of the air outlet to be a preset temperature value F2.
7. The control method of a new fan according to claim 1, wherein the control method further comprises,
fresh air mode: the fresh air valve D1, the recovery air valve D3, and the excess heat air valve D4 are opened, the recovery air valve D2 is closed, and the compressor is turned off.
8. A fresh air machine control method according to claim 1, characterized in that the primary adjustment device (3) comprises a fin coil and a coil valve (19), the coil valve (19) is used for controlling the circulation of the temperature medium in the fin coil so as to realize the primary cooling or heating of the outdoor air, and a temperature sensor (20) is arranged between the fin coil and the coil valve (19).
9. The fresh air machine control method according to claim 1, wherein the fresh air machine structure further comprises a first sensor TH-F3 for detecting the flow rate and temperature/humidity of air passing through the first condenser C2;
a second sensor TH-F2 for detecting the flow rate and temperature and humidity of the air passing through the first condenser C1;
a third sensor TH-F1 for detecting the flow rate and temperature and humidity of the outdoor air entering from the primary adjusting device (3);
a dew point sensor Tdew for detecting the dew point temperature at the evaporator E.
10. A fresh air machine control method according to any of claims 6 to 9, wherein the fresh air machine structure further comprises a controller (5), and the controller (5) is configured to receive sensor value signals and adjust the fresh air valve D1, the recovery air valve D2, the recovery air valve D3 and the excess heat dissipation air valve D4.
Priority Applications (1)
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Effective date of registration: 20230418 Address after: Room 1-9, 1st Floor, Building 2, No. 61 Jingsi Road, Xiaogang Street, Beilun District, Ningbo City, Zhejiang Province Patentee after: Furuna (Ningbo) Technology Co.,Ltd. Address before: 24060, Casazza City, Begamo Province, via Giovanni Pacoli 13A Patentee before: Rene Francesco |