CN117419439A - Control method of fresh air equipment, fresh air equipment and storage medium - Google Patents

Control method of fresh air equipment, fresh air equipment and storage medium Download PDF

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Publication number
CN117419439A
CN117419439A CN202210810327.XA CN202210810327A CN117419439A CN 117419439 A CN117419439 A CN 117419439A CN 202210810327 A CN202210810327 A CN 202210810327A CN 117419439 A CN117419439 A CN 117419439A
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CN
China
Prior art keywords
fresh air
humidity
temperature
air
ambient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210810327.XA
Other languages
Chinese (zh)
Inventor
徐振坤
高卓贤
李金波
黄招彬
胡渊翔
黄剑云
喻广南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Original Assignee
GD Midea Air Conditioning Equipment Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GD Midea Air Conditioning Equipment Co Ltd, Wuhu Meizhi Air Conditioning Equipment Co Ltd filed Critical GD Midea Air Conditioning Equipment Co Ltd
Priority to CN202210810327.XA priority Critical patent/CN117419439A/en
Publication of CN117419439A publication Critical patent/CN117419439A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F24F11/67—Switching between heating and cooling modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a control method of fresh air equipment, fresh air equipment and a storage medium, wherein the method comprises the following steps: acquiring a preset threshold range associated with the current operation condition of the fresh air equipment; acquiring the ambient temperature and/or the ambient humidity; and controlling the fresh air proportion adjusting component to adjust the proportion of return air to fresh air according to the preset threshold range, the ambient temperature and/or the ambient humidity. The invention saves the energy consumption of fresh air equipment.

Description

Control method of fresh air equipment, fresh air equipment and storage medium
Technical Field
The invention relates to the technical field of electrical appliance control, in particular to a control method of fresh air equipment, fresh air equipment and a storage medium.
Background
With the improvement of life quality of people, the requirements for indoor hot environments are not only cold and hot regulation, but also five-dimensional regulation of strong temperature regulation, humidity regulation, wind regulation, purification and freshness. The use of fresh air equipment is rising to the health requirement, and higher requirements are being put on freshness and cleanliness, and fresh air equipment is increasingly being used as an effective and important solution. However, existing fresh air devices cannot provide users with urgent environmental demands in time.
Disclosure of Invention
The invention mainly aims to provide a control method of fresh air equipment, fresh air equipment and a storage medium, and aims to solve the problem that how the existing fresh air equipment cannot timely provide urgent environmental requirements for users.
In order to achieve the above purpose, the control method of the fresh air equipment provided by the invention is applied to the fresh air equipment, the fresh air equipment comprises a fresh air proportion adjusting component for adjusting the proportion of return air and fresh air in indoor air supply of the fresh air equipment, and the control method of the fresh air equipment comprises the following steps:
acquiring a preset threshold range associated with the current operation condition of the fresh air equipment;
acquiring the ambient temperature and/or the ambient humidity;
and controlling the fresh air proportion adjusting component to adjust the proportion of return air to fresh air according to the preset threshold range, the ambient temperature and/or the ambient humidity.
In an embodiment, the preset threshold range includes a first preset range, and the step of controlling the fresh air proportion adjusting component to adjust the proportion of the return air to the fresh air according to the preset threshold range, the ambient temperature and/or the ambient humidity includes:
and when the ambient temperature and/or the ambient humidity are/is in a first preset range, controlling the fresh air proportion adjusting assembly to reduce the proportion of fresh air.
In an embodiment, the preset threshold range includes a second preset range, and the step of controlling the fresh air proportion adjusting component to adjust the proportion of the return air to the fresh air according to the preset threshold range, the ambient temperature and/or the ambient humidity includes:
when the ambient temperature and/or the ambient humidity are/is within a second preset range, acquiring an air quality parameter;
and controlling the fresh air proportion adjusting assembly to adjust the proportion of return air to fresh air according to the air quality range of the air quality parameter.
In an embodiment, the air quality range includes a first quality range and a second quality range, the air quality corresponding to the first quality range is better than the air quality of the second quality range, and the step of controlling the fresh air proportion adjusting component to adjust the proportion of the return air to the fresh air according to the air quality range in which the air quality parameter is located includes:
when the air quality parameter is in a first quality range, controlling the fresh air proportion adjusting assembly to reduce the proportion of fresh air;
when the air quality parameter is in a second quality range, controlling the fresh air proportion adjusting assembly to improve the proportion of fresh air;
The air quality characterized by the first quality range is better than the air quality characterized by the second quality range.
In an embodiment, the fresh air equipment includes fresh air channel and passageway of airing exhaust, the fresh air proportion adjusting component is including setting up in the fresh air channel for adjust the fresh air blast volume's fresh air blast valve, set up in the wind channel of airing exhaust, be used for adjusting the blast volume's of airing exhaust blast valve, and set up in the fresh air channel with between the passageway of airing exhaust, be used for adjusting by the passageway of airing exhaust get into the bypass blast valve of the return air blast volume of fresh air channel, the step of controlling the fresh air proportion adjusting component in order to reduce the duty ratio of fresh air includes at least one of:
increasing the opening degree of the bypass air valve;
reducing the opening of the fresh air valve;
and reducing the opening degree of the exhaust air valve.
In an embodiment, the step of controlling the fresh air proportion adjustment assembly to increase the fresh air duty cycle includes at least one of:
reducing the opening degree of the bypass air valve;
increasing the opening degree of the fresh air valve;
and increasing the opening degree of the exhaust air valve.
In an embodiment, in the cooling mode, the first preset range is: the ambient temperature is greater than the first temperature, or the ambient humidity is greater than the first humidity;
In the refrigeration mode, the second preset range is: the ambient temperature is less than the first temperature, and the ambient humidity is less than the first humidity;
in the heating mode, the first preset range is: the ambient temperature is less than the second temperature, or the ambient humidity is less than the second humidity;
in the heating mode, the second preset range is: the ambient temperature is greater than the second temperature and the ambient humidity is greater than the second humidity.
In an embodiment, the new trend equipment still includes compressor, electronic expansion valve, new trend heat exchanger, new trend fan and exhaust fan, the new trend heat exchanger sets up in the new trend passageway and with the compressor is connected, the new trend fan sets up in the new trend wind channel, after the step of control new trend proportion adjustment subassembly in order to adjust the proportion of return air and new trend, still include:
acquiring a set threshold range associated with the current operation condition of the fresh air equipment;
acquiring the environment real-time temperature and/or environment real-time humidity;
and controlling at least one of the running frequency of the compressor, the opening of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan according to the set threshold range, the environment real-time temperature and/or the environment real-time humidity.
In an embodiment, the set threshold range includes a first set range and a second set range, and the step of controlling at least one of the operating frequency of the compressor, the opening of the electronic expansion valve, the rotation speed of the fresh air fan, and the rotation speed of the exhaust fan according to the set threshold range, the ambient real-time temperature, and/or the ambient real-time humidity includes:
when the environment real-time temperature and/or the environment real-time temperature are/is in a first set range, controlling the fresh air equipment to increase the running frequency of a compressor, reducing the opening of the electronic expansion valve, increasing the rotating speed of the fresh air fan and increasing the rotating speed of the exhaust fan;
when the ambient real-time temperature and/or the ambient real-time temperature is in a second set range, controlling the fresh air device to reduce the running frequency of the compressor, increasing the opening of the electronic expansion valve, reducing the rotating speed of the fresh air fan and reducing the rotating speed of the exhaust fan.
In an embodiment, the fresh air device includes a first heat exchange system and a second heat exchange system, and the step of controlling at least one of the operating frequency of the compressor, the opening of the electronic expansion valve, the rotation speed of the fresh air fan, and the rotation speed of the exhaust fan according to the set threshold range, the ambient real-time temperature, and/or the ambient real-time humidity includes:
Determining the environment real-time temperature and the environment real-time humidity respectively, and a third temperature and a third humidity corresponding to the set threshold range;
determining a temperature difference between the ambient real-time temperature and the third temperature and/or determining a humidity difference between the ambient real-time humidity and the third humidity;
determining a target regulation and control parameter according to the temperature difference value and/or the humidity difference value, wherein the target regulation and control parameter comprises at least one of the running frequency of the compressor, the opening degree of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
and controlling the first heat exchange system to operate and/or controlling the second heat exchange system to operate according to the target regulation and control parameters.
In an embodiment, the first heat exchange system comprises a first fresh air heat exchanger, the second heat exchange system comprises a second fresh air heat exchanger, and the first fresh air heat exchanger and the second fresh air heat exchanger are arranged in the fresh air duct and are sequentially distributed along the airflow direction in the fresh air duct; the step of determining a target regulation parameter according to the temperature difference value and/or the humidity difference value comprises the following steps:
acquiring the temperature of a first heat exchanger of the first fresh air heat exchanger and the temperature of a second heat exchanger of the second fresh air heat exchanger;
Determining a ratio between the first heat exchanger temperature and the second heat exchanger temperature;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is larger than a preset ratio, and the temperature difference value or the humidity difference value is larger than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the first heat exchange system to increase the running frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference value or the humidity difference value is larger than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the second heat exchange system to increase the running frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is larger than a preset ratio, and the temperature difference value or the humidity difference value is smaller than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the first heat exchange system to reduce the running frequency of the compressor, increasing the opening of the electronic expansion valve, and controlling the fresh air equipment to reduce the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
When the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference value or the humidity difference value is smaller than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the second heat exchange system to reduce the running frequency of the compressor and increase the opening of the electronic expansion valve, and controlling the fresh air equipment to reduce the rotating speed of the fresh air fan and the rotating speed of the exhaust fan.
In order to achieve the above object, the present invention further provides a fresh air device, which includes a memory, a processor, and a control program of the fresh air device stored in the memory and executable on the processor, wherein the control program of the fresh air device, when executed by the processor, implements the steps of the control method of the fresh air device as described above.
In order to achieve the above object, the present invention also provides a computer-readable storage medium storing a control program of a fresh air device, which when executed by a processor, implements the steps of the control method of a fresh air device as described above.
According to the control method of the fresh air equipment, the fresh air equipment and the storage medium, a preset threshold range associated with the current operation condition of the fresh air equipment is obtained; acquiring the ambient temperature and/or the ambient humidity; and controlling the fresh air proportion adjusting component to adjust the proportion of the return air to the fresh air according to a preset threshold range, the ambient temperature and/or the ambient humidity. The proportion of return air and fresh air is adjusted through the ambient temperature and/or ambient humidity detected by the fresh air equipment, and the ambient parameters which are easy to be perceived by a user are timely adjusted, so that the ambient parameters can timely meet the user demands, and the user experience is improved.
Drawings
FIG. 1 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a hardware structure of a fresh air device according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart of a first embodiment of a method for controlling a fresh air device according to the present invention;
FIG. 6 is a schematic flow chart of a second embodiment of a method for controlling a fresh air device according to the present invention;
FIG. 7 is a schematic flow chart of a third embodiment of a control method of the fresh air device of the present invention;
FIG. 8 is a flow chart of a fourth embodiment of a method for controlling a fresh air device according to the present invention;
fig. 9 is a schematic flow chart of a fifth embodiment of a control method of the fresh air device of the present invention.
Reference numerals Name of the name Reference numerals Name of the name
10 Exhaust channel 11 Exhaust fan
12 Exhaust air valve 20 Fresh air channel
21 Fresh air fan 22 Fresh air valve
23 Side ventilation valve 31 First heat exchanger
32 Second heat exchanger 33 Electronic expansion valve
34 Four-way valve 35 Compressor
41 Third heat exchanger 42 Fourth heat exchanger
43 Electronic expansion valve 44 Four-way valve
45 Compressor 46 Outdoor fan
50 Humidifying device
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The main solutions of the embodiments of the present invention are: acquiring a preset threshold range associated with the current operation condition of the fresh air equipment; acquiring the ambient temperature and/or the ambient humidity; and controlling the fresh air proportion adjusting component to adjust the proportion of the return air to the fresh air according to a preset threshold range, the ambient temperature and/or the ambient humidity.
The proportion of return air and fresh air is adjusted through the ambient temperature and/or ambient humidity detected by the fresh air equipment, and the ambient parameters which are easy to be perceived by a user are timely adjusted, so that the ambient parameters can timely meet the user demands, and the user experience and the comfort are improved.
Referring to fig. 1, fig. 1 is a fresh air apparatus of the present invention, the fresh air apparatus including: an exhaust passage 10; a fresh air channel 20; at least one first heat exchange system, the first heat exchange system comprises a first heat exchanger 31 and a second heat exchanger 32, wherein the first heat exchanger 31 is positioned in the exhaust air channel 10, and the second heat exchanger 32 is positioned in the fresh air channel 20. The number of the second heat exchangers 32 may be two, and both the second heat exchangers 32 are fresh air heat exchangers.
In the operation process of the fresh air fan, in the cooling mode, the refrigerant of the first heat exchange system circulates to flow, and finally returns to the compressor 35 through the compressor 35, the four-way valve 34, the first heat exchanger 31, the electronic expansion valve 33, the second heat exchanger 32 and the four-way valve 34. In the heating mode, the refrigerant of the first heat exchange system circulates to flow through the compressor 35, the four-way valve 34, the second heat exchanger 32, the electronic expansion valve 33, the first heat exchanger 31 and the four-way valve 34, and finally returns to the compressor 35.
Optionally, the fourth heat exchanger area is less than or equal to 50% of the third heat exchanger area; the second heat exchanger area is less than or equal to 150% of the first heat exchanger area.
Optionally, referring to fig. 2, the fresh air device comprises at least one second heat exchange system, the second heat exchange system comprises a third heat exchanger 41 and a fourth heat exchanger 42, the third heat exchanger 41 is located in the fresh air channel 10, and the fourth heat exchanger 42 is located outdoors. In the embodiment of fig. 2, the number of the second heat exchangers 32 and the third heat exchangers 41 is one, and the second heat exchangers 32 and the third heat exchangers 41 are fresh air heat exchangers, wherein the third heat exchangers 41 are first fresh air heat exchangers, and the second heat exchangers 32 are second fresh air heat exchangers. In the refrigeration mode, the refrigerant of the second heat exchange system circulates in a direction through the compressor 45, the four-way valve 44, the fourth heat exchanger 42, the electronic expansion valve 43, the third heat exchanger 41, the four-way valve 44 and finally returns to the compressor 45. In the heating mode, the refrigerant of the second heat exchange system circulates in the direction of flow, and finally returns to the compressor 45 through the compressor 45, the four-way valve 44, the third heat exchanger 41, the electronic expansion valve 43, the fourth heat exchanger 42 and the four-way valve 44.
In the embodiment of fig. 3, the number of the second heat exchangers 32 and the number of the third heat exchangers 41 are two, the two second heat exchangers 32 and the two third heat exchangers 41 are both fresh air heat exchangers, one second heat exchanger 32 located upstream of the fresh air duct in the two second heat exchangers 32 is a second fresh air heat exchanger, one third heat exchanger 41 located upstream of the fresh air duct in the two third heat exchangers 41 is a first fresh air heat exchanger, the first fresh air heat exchanger is located upstream of the second fresh air heat exchanger, and the number of the electronic expansion valve 33 and the electronic expansion valve 43 is also two.
Optionally, the first end of the exhaust channel 10 is provided with an exhaust fan 11, and the second end is provided with an exhaust air valve 12; the first end of the fresh air channel 20 is provided with a fresh air fan 21, and the second end is provided with a fresh air valve 22; a side ventilation valve 23 is arranged between the exhaust channel 10 and the fresh air channel 20. The fresh air proportion adjusting assembly comprises an exhaust air valve 12, a fresh air valve 22 and a bypass air valve 23.
Optionally, referring to fig. 2, the fresh air channel 20 of the fresh air device is provided with a humidifying device 50.
As an implementation, the fresh air device may be as shown in fig. 4.
The embodiment of the invention relates to fresh air equipment, which comprises: a processor 101, such as a CPU, a memory 102, and a communication bus 103. Wherein the communication bus 103 is used to enable connected communication among the components.
The memory 102 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. As shown in fig. 4, a control program of the fresh air device may be included in the memory 102 as a kind of computer-readable storage medium; the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
Acquiring a preset threshold range associated with the current operation condition of the fresh air equipment;
acquiring the ambient temperature and/or the ambient humidity;
and controlling the fresh air proportion adjusting component to adjust the proportion of return air to fresh air according to the preset threshold range, the ambient temperature and/or the ambient humidity.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
and when the ambient temperature and/or the ambient humidity are/is in a first preset range, controlling the fresh air proportion adjusting assembly to reduce the proportion of fresh air.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
when the ambient temperature and/or the ambient humidity are/is within a second preset range, acquiring an air quality parameter;
and controlling the fresh air proportion adjusting assembly to adjust the proportion of return air to fresh air according to the air quality range of the air quality parameter.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
When the air quality parameter is in a first quality range, controlling the fresh air proportion adjusting assembly to reduce the proportion of fresh air;
when the air quality parameter is in a second quality range, controlling the fresh air proportion adjusting assembly to improve the proportion of fresh air;
the air quality characterized by the first quality range is better than the air quality characterized by the second quality range.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
increasing the opening degree of the bypass air valve;
reducing the opening of the fresh air valve;
and reducing the opening degree of the exhaust air valve.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
reducing the opening degree of the bypass air valve;
increasing the opening degree of the fresh air valve;
and increasing the opening degree of the exhaust air valve.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
acquiring a set threshold range associated with the current operation condition of the fresh air equipment;
Acquiring the environment real-time temperature and/or environment real-time humidity;
and controlling at least one of the running frequency of the compressor, the opening of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan according to the set threshold range, the environment real-time temperature and/or the environment real-time humidity.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
when the environment real-time temperature and/or the environment real-time temperature are/is in a first set range, controlling the fresh air equipment to increase the running frequency of a compressor, reducing the opening of the electronic expansion valve, increasing the rotating speed of the fresh air fan and increasing the rotating speed of the exhaust fan;
when the ambient real-time temperature and/or the ambient real-time temperature is in a second set range, controlling the fresh air device to reduce the running frequency of the compressor, increasing the opening of the electronic expansion valve, reducing the rotating speed of the fresh air fan and reducing the rotating speed of the exhaust fan.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
Determining the environment real-time temperature and the environment real-time humidity respectively, and a third temperature and a third humidity corresponding to the set threshold range;
determining a temperature difference between the ambient real-time temperature and the third temperature and/or determining a humidity difference between the ambient real-time humidity and the third humidity;
determining a target regulation and control parameter according to the temperature difference value and/or the humidity difference value, wherein the target regulation and control parameter comprises at least one of the running frequency of the compressor, the opening degree of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
and controlling the first heat exchange system to operate and/or controlling the second heat exchange system to operate according to the target regulation and control parameters.
In one embodiment, the processor 101 may be configured to call a control program of the fresh air device stored in the memory 102, and perform the following operations:
acquiring the temperature of a first heat exchanger of the first fresh air heat exchanger and the temperature of a second heat exchanger of the second fresh air heat exchanger;
determining a ratio between the first heat exchanger temperature and the second heat exchanger temperature;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is larger than a preset ratio, and the temperature difference value or the humidity difference value is larger than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the first heat exchange system to increase the running frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
When the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference value or the humidity difference value is larger than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the second heat exchange system to increase the running frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is larger than a preset ratio, and the temperature difference value or the humidity difference value is smaller than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the first heat exchange system to reduce the running frequency of the compressor, increasing the opening of the electronic expansion valve, and controlling the fresh air equipment to reduce the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference value or the humidity difference value is smaller than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the second heat exchange system to reduce the running frequency of the compressor and increase the opening of the electronic expansion valve, and controlling the fresh air equipment to reduce the rotating speed of the fresh air fan and the rotating speed of the exhaust fan.
Based on the hardware framework of the fresh air equipment, the embodiment of the control method of the fresh air equipment is provided.
Referring to fig. 5, fig. 5 is a first embodiment of a control method of a fresh air device according to the present invention, where the control method of a fresh air device includes the following steps:
step S10, acquiring a preset threshold range associated with the current operation condition of the fresh air equipment;
specifically, the current operation condition of the fresh air equipment is obtained, wherein the operation condition comprises a refrigeration mode or a heating mode and the like. Optionally, the fresh air device can be an air conditioner or an air treatment device such as an air disinfection cabinet.
Optionally, the preset threshold range includes a first preset range and a second preset range. The first preset range and the second preset range corresponding to different operation conditions are different. Optionally, when the ambient temperature and/or the ambient humidity are within the first preset range, the difference between the indoor temperature and/or the indoor humidity and the target temperature and/or the target humidity is indicated to be larger, at this time, the user easily perceives that the indoor temperature and the indoor humidity do not meet the requirements, and the fresh air adjusting component is controlled to reduce the duty ratio of the fresh air, so that the indoor temperature and the indoor humidity preferentially meet the requirements. When the ambient temperature and/or the ambient humidity are in the second preset range, the difference between the indoor temperature and/or the indoor humidity and the target temperature and/or the target humidity is smaller, or the indoor temperature and the indoor humidity meet preset requirements, at the moment, a user easily perceives whether the air quality meets the requirements, so that the air quality parameter needs to be acquired, and the fresh air proportion adjusting component is controlled according to the air quality parameter to adjust the proportion of the return air to the fresh air.
Optionally, in the cooling mode, the first preset range is: the ambient temperature is greater than the first temperature T1, or the ambient humidity is greater than the first humidity d1; the second preset range is: the ambient temperature is less than or equal to the first temperature T1, and the ambient humidity is less than or equal to the first humidity d1. Specifically, when only the ambient temperature is acquired, the first preset range is: the ambient temperature is greater than the first temperature T1, and the second preset range is: the ambient temperature is less than or equal to the first temperature T1; when only the ambient humidity is acquired, the first preset range is: the ambient humidity is greater than the first humidity d1, and the second preset range is: the ambient humidity is less than or equal to the first humidity d1; when the ambient temperature and the ambient humidity are acquired, the first preset range is: the ambient temperature is greater than the first temperature T1, or the ambient humidity is greater than the first humidity d1, and the second preset range is: the ambient temperature is less than or equal to the first temperature T1, and the ambient humidity is less than or equal to the first humidity d1.
Optionally, in the heating mode, the first preset range is: the ambient temperature is less than the second temperature T2, or the ambient humidity is less than the second humidity d2; the second preset range is: the ambient temperature is greater than or equal to the second temperature T2, and the ambient humidity is greater than or equal to the second humidity d2. Specifically, when only the ambient temperature is acquired, the first preset range is: the ambient temperature is less than the first temperature T1, and the second preset range is: the ambient temperature is greater than or equal to the first temperature T1; when only the ambient humidity is acquired, the first preset range is: the ambient humidity is less than the first humidity d1, and the second preset range is: the ambient humidity is greater than or equal to the first humidity d1; when the ambient temperature and the ambient humidity are acquired, the first preset range is: the ambient temperature is less than the first temperature T1, or the ambient humidity is less than the first humidity d1, and the second preset range is: the ambient temperature is greater than or equal to the first temperature T1, and the ambient humidity is greater than or equal to the first humidity d1.
Step S20, obtaining the ambient temperature and/or the ambient humidity.
Optionally, the ambient temperature acquired by the fresh air device includes one of a return air temperature, a fresh air temperature, a room temperature, or an outlet air temperature of the fresh air device.
Optionally, the ambient humidity acquired by the fresh air device includes one of return air humidity, fresh air humidity, room humidity, or outlet air humidity.
And step S30, controlling the fresh air proportion adjusting component to adjust the proportion of the return air to the fresh air according to the preset threshold range, the ambient temperature and/or the ambient humidity.
Specifically, the fresh air equipment comprises a fresh air proportion adjusting component for adjusting the proportion of return air and fresh air in indoor air supply of the fresh air equipment, and optionally, the fresh air proportion adjusting component comprises a fresh air valve, an exhaust air valve and a bypass air valve. The fresh air valve is arranged in the fresh air channel and used for adjusting fresh air quantity; the exhaust air valve is arranged in the exhaust air duct and used for adjusting the exhaust air quantity; and the bypass air valve is arranged between the fresh air channel and the exhaust channel and used for adjusting the return air volume entering the fresh air channel from the exhaust channel.
Optionally, when the ambient temperature and/or the ambient humidity are in the first preset range, the fresh air proportion adjusting component is controlled to reduce the proportion of the fresh air. Optionally, the opening degree of the side ventilation valve can be increased by reducing the proportion of the fresh air; and/or reducing the opening of the fresh air valve; and/or reducing the opening degree of the exhaust air valve. Optionally, the fresh air duty cycle may be reduced, the rotational speed of the fresh air blower may be reduced, and/or the rotational speed of the exhaust blower may be increased.
In the technical scheme of this embodiment, through the ambient temperature and/or the ambient humidity that fresh air equipment detected, adjust the proportion of return air and new trend, in time adjust the easy perceived environmental parameter of user, make this environmental parameter in time satisfy the user demand, promote user experience and travelling comfort.
Referring to fig. 6, fig. 6 is a second embodiment of the control method of the fresh air device according to the present invention, based on the first embodiment, after the step S30, further includes:
and step S40, when the ambient temperature and/or the ambient humidity are within a first preset range, controlling the fresh air proportion adjusting assembly to reduce the ratio of fresh air.
Optionally, when the ambient temperature and/or the ambient humidity are in the first preset range, it indicates that the difference between the indoor temperature and/or the indoor humidity and the target temperature and/or the target humidity is larger, the user easily perceives that the indoor temperature and the indoor humidity do not meet the requirements, and the fresh air adjusting component is controlled to reduce the duty ratio of the fresh air, so that the indoor temperature and the indoor humidity meet the requirements first. Optionally, the opening degree of the side ventilation valve can be increased by reducing the proportion of the fresh air; and/or reducing the opening of the fresh air valve; and/or reducing the opening degree of the exhaust air valve. Optionally, the fresh air duty cycle may be reduced, the rotational speed of the fresh air blower may be reduced, and/or the rotational speed of the exhaust blower may be increased.
In the technical solution of this embodiment, when the ambient temperature and/or the ambient humidity are within a first preset range, the control method further includes: the first heat exchange system and/or the second heat exchange system are/is controlled to improve the running frequency of the compressor, reduce the opening of the electronic expansion valve and improve at least one of the rotating speed of the fresh air fan and the rotating speed of the exhaust fan so as to quickly realize temperature and humidity regulation, so that the indoor temperature and indoor humidity meet the requirements in time.
In the technical scheme of the embodiment, because the ambient temperature and/or the ambient humidity are easier to be perceived by the user relative to other air quality parameters, the ambient temperature and/or the ambient humidity are ensured to reach the standard first, and the maximum comfort of the user is ensured.
Referring to fig. 7, fig. 7 is a third embodiment of the control method of the fresh air device according to the present invention, based on the first or second embodiment, after the step S30, the method further includes:
step S50, when the ambient temperature and/or the ambient humidity are/is within a second preset range, acquiring an air quality parameter;
and step S60, controlling the fresh air proportion adjusting assembly to adjust the proportion of return air to fresh air according to the air quality range of the air quality parameter.
Specifically, when the ambient temperature and/or the ambient humidity is within the second preset range, an air quality parameter is obtained, and optionally, the air quality parameter includes at least one of a CO2 concentration, a PM2.5 concentration, a TVOC (Total Volatile Organic Compounds, total volatile organic compound concentration), and an alcohol CHO concentration.
An air quality range in which the air quality parameter is located is determined, optionally the air quality range comprises a first quality range and a second quality range, the air quality characterized by the first quality range being better than the air quality characterized by the second quality range. When the air quality parameter is in the first quality range, the air quality is good, and the fresh air proportion adjusting component is controlled to reduce the proportion of fresh air so as to reduce the energy consumption of the air treatment equipment. When the air quality parameter is in the second quality range, the air quality is poor, the fresh air proportion adjusting component is controlled to improve the proportion of fresh air, so that the air quality of the indoor environment is improved, and the user experience and the comfort are improved.
Optionally, when the air quality parameter includes a CO2 concentration, determining that the air quality parameter is in a first quality range when the CO2 concentration is less than or equal to a preset first concentration threshold; and when the CO2 concentration is larger than a preset first concentration threshold value, determining that the air quality parameter is in a second quality range.
Optionally, when the air quality parameter includes a PM2.5 concentration, determining that the air quality parameter is in the first quality range when the PM2.5 concentration is less than or equal to a preset second concentration threshold; and when the PM2.5 concentration is greater than a preset second concentration threshold, determining that the air quality parameter is in a second quality range.
Optionally, when the TVOC concentration is less than or equal to a preset third concentration threshold, determining that the air quality parameter is in the first quality range; and when the TVOC concentration is larger than a preset third concentration threshold value, determining that the air quality parameter is in a second quality range.
Optionally, when the air quality parameter includes CHO concentration, the air quality parameter is determined to be in the first quality range when CHO concentration is less than or equal to a preset fourth concentration threshold, and the air quality parameter is determined to be in the second quality range when CHO concentration is greater than the preset fourth concentration threshold.
Optionally, when the air quality parameter includes a CO2 concentration and a PM2.5 concentration, the air quality parameter is determined to be in the first quality range when the CO2 concentration is less than or equal to a preset first concentration threshold and the PM2.5 concentration is less than or equal to a preset second concentration threshold, and the air quality parameter is determined to be in the second quality range when the CO2 concentration is greater than the preset first concentration threshold or the PM2.5 concentration is greater than the preset second concentration threshold.
Optionally, when the air quality parameter includes a CO2 concentration and a TVOC concentration, the air quality parameter is determined to be in the first quality range when the CO2 concentration is less than or equal to a preset first concentration threshold, the TVOC concentration is less than or equal to a preset third concentration threshold, and the air quality parameter is determined to be in the second quality range when the CO2 concentration is greater than the preset first concentration threshold, or the TVOC concentration is greater than the preset third concentration threshold.
Optionally, when the air quality parameter includes a CO2 concentration and a CHO concentration, the CHO concentration is less than or equal to a preset first concentration threshold and the CHO concentration is less than or equal to a preset fourth concentration threshold, the air quality parameter is determined to be in the first quality range, and when the CO2 concentration is greater than the preset first concentration threshold or the CHO concentration is greater than the preset fourth concentration threshold, the air quality parameter is determined to be in the second quality range.
Optionally, when the air quality parameter includes a PM2.5 concentration and a TVOC concentration, when the PM2.5 concentration is less than or equal to a preset second concentration threshold, the TVOC concentration is less than or equal to a preset third concentration threshold, the air quality parameter is determined to be in the first quality range, and when the PM2.5 concentration is greater than the preset second concentration threshold, or the TVOC concentration is greater than the preset third concentration threshold, the air quality parameter is determined to be in the second quality range.
Optionally, when the air quality parameter includes a PM2.5 concentration and a CHO concentration, when the PM2.5 concentration is less than or equal to a preset second concentration threshold, the CHO concentration is less than or equal to a preset fourth concentration threshold, the air quality parameter is determined to be in the first quality range, and when the PM2.5 concentration is greater than the preset second concentration threshold, or the CHO concentration is greater than the preset fourth concentration threshold, the air quality parameter is determined to be in the second quality range.
Optionally, when the air quality parameter includes a TVOC concentration and a CHO concentration, when the TVOC concentration is less than or equal to a preset third concentration threshold, the CHO concentration is less than or equal to a preset fourth concentration threshold, the air quality parameter is determined to be in the first quality range, and when the TVOC concentration is greater than the preset third concentration threshold, or the CHO concentration is greater than the preset fourth concentration threshold, the air quality parameter is determined to be in the second quality range.
Optionally, when the air quality parameter includes a CO2 concentration, a TVOC concentration, a CHO concentration, optionally, when the CO2 concentration is less than or equal to a preset first concentration threshold, and the TVOC concentration is less than or equal to a preset third concentration threshold, and the CHO concentration is less than or equal to a preset fourth concentration threshold, the air quality parameter is determined to be in the first quality range. Optionally, when the CO2 concentration is greater than the preset concentration, or the TVOC concentration is greater than the preset concentration, or the CHO concentration is greater than the preset concentration, the air mass is determined to be in the second mass range.
Optionally, when the air quality parameter includes a CO2 concentration, a PM2.5 concentration, a CHO concentration, when the CO2 concentration is less than or equal to a preset first concentration threshold, and the PM2.5 concentration is less than or equal to a preset second concentration threshold, and the CHO concentration is less than or equal to a preset fourth concentration threshold, the air quality parameter is determined to be in the first quality range. Optionally, the air mass is determined to be in the second mass range when the CO2 concentration is greater than the preset concentration, or the PM2.5 concentration is greater than the preset concentration, or the CHO concentration is greater than the preset concentration.
Optionally, when the air quality parameter includes a CO2 concentration, a PM2.5 concentration, a TVOC concentration, when the CO2 concentration is less than or equal to a preset first concentration threshold, and the PM2.5 concentration is less than or equal to a preset second concentration threshold, and the TVOC concentration is less than or equal to a preset third concentration threshold, the air quality parameter is determined to be in the first quality range. Optionally, when the CO2 concentration is greater than the preset concentration, or the PM2.5 concentration is greater than the preset concentration, or the TVOC concentration is greater than the preset concentration, it is determined that the air mass is in the second mass range.
Optionally, when the air quality parameter includes PM2.5 concentration, TVOC concentration, CHO concentration, when the PM2.5 concentration is less than or equal to a preset second concentration threshold, and the TVOC concentration is less than or equal to a preset third concentration threshold, and CHO concentration is less than or equal to a preset fourth concentration threshold, the air quality parameter is determined to be in the first quality range. Optionally, when the PM2.5 concentration is greater than the preset concentration, or the TVOC concentration is greater than the preset concentration, or the CHO concentration is greater than the preset concentration, it is determined that the air mass is in the second mass range.
Optionally, when the air quality parameter includes a CO2 concentration, a PM2.5 concentration, a TVOC concentration, a CHO concentration, optionally, when the CO2 concentration is less than or equal to a preset first concentration threshold, and the PM2.5 concentration is less than or equal to a preset second concentration threshold, and the TVOC concentration is less than or equal to a preset third concentration threshold, and the CHO concentration is less than or equal to a preset fourth concentration threshold, the air quality parameter is determined to be in the first quality range. Optionally, the concentration of CO2 is less than or equal to 1500ppm; PM2.5 concentration is less than or equal to 300 mug/m 3; the TVOC concentration is less than or equal to 0.6mg/m < 3 >; the CHO concentration is less than or equal to 0.6mg/m < 3 >, and the air quality is determined to be in a first quality range. Optionally, when the CO2 concentration is greater than the preset concentration, or the PM2.5 concentration is greater than the preset concentration, or the TVOC concentration is greater than the preset concentration, or the CHO concentration is greater than the preset concentration, the air mass is determined to be in the second mass range. Optionally, the concentration of CO2 is more than or equal to 1500ppm; or PM2.5 concentration is more than or equal to 300 mug/m 3; or the TVOC concentration is more than or equal to 0.6mg/m3; or the CHO concentration is more than or equal to 0.6mg/m < 3 >, and the air quality parameter is determined to be in a second quality range.
When the ambient temperature and/or the ambient humidity are in the second preset range, the difference between the ambient temperature and/or the ambient humidity and the target temperature and humidity is smaller, and if the air quality parameter meets the first quality range, the energy consumption waste of the fresh air equipment can be avoided by reducing the fresh air quantity/the fresh air ratio. Specifically, when the ambient temperature and/or the ambient humidity are in a second preset range and the air quality parameter is in a first quality range, the fresh air equipment can control the fresh air proportion adjusting assembly to reduce the proportion of fresh air, and optionally, the fresh air proportion adjusting assembly comprises a fresh air valve, an exhaust air valve and a bypass air valve, so that the opening degree of the bypass air valve is increased; and/or reducing the opening of the fresh air valve; and/or reducing the opening degree of the exhaust air valve. Optionally, the fresh air proportion adjusting component comprises a fresh air fan and an exhaust fan, the rotation speed of the fresh air fan is reduced, and/or the rotation speed of the exhaust fan is increased, so that the fresh air proportion in return air is reduced.
When the ambient temperature and/or the ambient humidity are in a second preset range and the air quality parameter is in a second quality range, at the moment, the difference between the ambient temperature and/or the ambient humidity and the target temperature and humidity is smaller, the difference between the indoor air quality and the target air quality is larger, a user can more easily perceive that the air quality does not meet the requirement, and the fresh air proportion adjusting component is controlled to improve the proportion of fresh air, and optionally comprises a fresh air valve, an exhaust air valve and a bypass air valve, so that the opening degree of the bypass air valve is increased; and/or reducing the opening of the fresh air valve; and/or reducing the opening degree of the exhaust air valve so as to reduce the fresh air proportion in the return air, changing the fresh air proportion through the actions of the three air valves, rapidly processing the air quality and timely ensuring the air quality which is easy to perceive by a user. Optionally, the fresh air proportion adjusting component comprises a fresh air fan and an exhaust fan, the rotation speed of the fresh air fan is reduced, and/or the rotation speed of the exhaust fan is increased, so that the fresh air proportion in return air is reduced.
In this embodiment, the first heat exchange system and/or the second heat exchange system may not be adjusted: the running frequency of the compressor and the opening of the electronic expansion valve in the first heat exchange system and/or the second heat exchange system are/is kept in the current state and are not adjusted.
In the technical scheme of the embodiment, the control parameters of the fresh air proportion adjusting component are determined through the environment temperature and/or the environment humidity and the air quality parameters, so that the control accuracy of the fresh air proportion in the fresh air equipment can be improved, and the environment parameters which are easy to perceive by a user can be timely met.
Referring to fig. 8, fig. 8 is a fourth embodiment of a control method of a fresh air device according to the present invention, and after step S30, the method further includes:
step S70, acquiring a set threshold range associated with the current operation condition of the fresh air equipment, wherein the set threshold range comprises a first set range and a second set range;
step S80, acquiring the environment real-time temperature and/or the environment real-time humidity;
and step S90, controlling at least one of the running frequency of the compressor, the opening degree of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan according to the set threshold range, the environment real-time temperature and/or the environment real-time humidity.
Specifically, the ambient real-time temperature is the ambient temperature detected at the current moment, and the ambient real-time temperature includes one of the return air temperature, the fresh air temperature, the air outlet temperature or the room temperature of the fresh air device. The ambient real-time humidity is the ambient humidity detected at the current moment. Optionally, the ambient real-time humidity includes one of return air humidity, fresh air humidity, out-air humidity, or room humidity.
And optionally, the set threshold range comprises a first set range and a second set range.
Optionally, acquiring the ambient real-time temperature, wherein the ambient real-time temperature reaches a set target temperature threshold value, and determining that the ambient real-time temperature is in a first set range. Optionally, the ambient real-time temperature does not reach the set target temperature threshold, and it is determined that the ambient real-time temperature is in the second set range.
Optionally, acquiring the ambient real-time humidity, and optionally, determining that the ambient real-time humidity is in a first set range when the ambient real-time humidity reaches a set target humidity threshold. Optionally, when the ambient real-time humidity does not reach the target humidity threshold set by the fresh air device, determining that the ambient real-time humidity is in the second set range.
Optionally, acquiring the ambient real-time temperature and the ambient real-time humidity, and optionally, determining that the ambient real-time temperature and the ambient real-time humidity are in a first set range when the ambient real-time temperature reaches a set target temperature threshold and the ambient real-time humidity reaches a set target humidity threshold. Optionally, when the ambient real-time temperature does not reach the set target temperature threshold value and/or the ambient real-time humidity does not reach the target humidity threshold value set by the fresh air device, determining that the ambient real-time temperature and the ambient real-time humidity are in the second set range.
And controlling at least one of the running frequency of the compressor, the opening degree of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan according to the set threshold range, the environment real-time temperature and/or the environment real-time humidity. Optionally, when the ambient real-time temperature and/or the ambient real-time temperature is within the first set range, controlling the fresh air device to increase at least one of the operating frequency of the compressor, decreasing the opening of the electronic expansion valve, increasing the rotational speed of the fresh air fan, and increasing the rotational speed of the exhaust fan.
Optionally, when the ambient real-time temperature and/or the ambient real-time temperature is within the second set range, controlling the fresh air device to at least one of reduce the operating frequency of the compressor, increase the opening of the electronic expansion valve, reduce the rotational speed of the fresh air fan, and reduce the rotational speed of the exhaust fan.
In this embodiment, when step S90 is performed, the ratio of the return air to the fresh air is kept unchanged or is changed within a smaller set range, so as to ensure that the air quality is within a range that a user feels comfortable, so that the rotation speed of the fresh air fan and the rotation speed of the exhaust fan need to be adjusted simultaneously and positively correlated, for example, the ratio of the rotation speed of the fresh air fan to the rotation speed of the exhaust fan is increased or decreased in equal proportion, so as to ensure that the ratio of the return air to the fresh air is kept unchanged or is changed within a smaller set range.
In the technical scheme of the embodiment, the target control parameters of the fresh air equipment are determined through the ambient temperature and/or the ambient humidity, so that the fresh air equipment can be promoted to quickly reach the set threshold range associated with the operation conditions, and the control accuracy is ensured.
Referring to fig. 9, fig. 9 is a fifth embodiment of a control method of a fresh air device according to the present invention, and based on any one of the first to fourth embodiments, the step S90 includes:
step S91, determining the ambient real-time temperature and the ambient real-time humidity, and a third temperature and a third humidity corresponding to the set threshold range;
step S92, determining a temperature difference between the ambient real-time temperature and the third temperature, and/or determining a humidity difference between the ambient real-time humidity and the third humidity;
step S93, determining a target regulation parameter according to the temperature difference value and/or the humidity difference value, wherein the target regulation parameter comprises at least one of the running frequency of the compressor, the opening degree of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
step S94, the operation of the first heat exchange system is controlled and/or the operation of the second heat exchange system is controlled according to the target regulation and control parameters.
Specifically, the fresh air equipment comprises a first heat exchange system and a second heat exchange system, the first heat exchange system comprises a first fresh air heat exchanger, the second heat exchange system comprises a second fresh air heat exchanger, and the first fresh air heat exchanger and the second fresh air heat exchanger are arranged in the fresh air duct and are sequentially distributed along the airflow direction in the fresh air duct.
Optionally, a third temperature corresponding to the environment real-time temperature and the set threshold range is a set target temperature threshold; optionally, the third humidity corresponding to the set threshold range is the set target humidity threshold.
Optionally, the third temperature T3 and the third humidity d3 are a target temperature threshold and a target humidity threshold input by a user through a remote controller or a smart device. Alternatively, the third temperature T3 and the third humidity d3 may be a target temperature and a target humidity associated with the operation mode selected by the user, for example, the forced cooling mode, the third temperature T3 being 16 degrees, and the third humidity d3 being 40%.
Alternatively, the third temperature may include one of a return air temperature threshold, a fresh air temperature threshold, an outlet air temperature threshold, and a room temperature threshold, which is exemplary, in the cooling mode, the return air temperature threshold T1c e [15,32] c, and in the heating mode, the return air temperature threshold T1h e [12,32] c. In the refrigerating mode, the fresh air temperature threshold Twc [10,50] DEG C, and in the heating mode, the fresh air temperature threshold Twh [ epsilon ] -30,25] DEG C. In the refrigerating mode, the temperature threshold Toc of the air outlet is E [5,32] DEG C, and in the heating mode, the temperature threshold Toh of the air outlet is E [15,60] DEG C. In the refrigerating mode, the room temperature threshold T1c is epsilon [15,32] DEG C, and in the heating mode, the room temperature threshold T1h is epsilon [12,32] DEG C.
Optionally, the third humidity includes one of a return air humidity threshold, a fresh air humidity threshold, a discharge air humidity threshold, a room humidity threshold, and, by way of example, a return air humidity threshold: [5,14] g/kg, fresh air humidity threshold: [5,18] g/kg, out of threshold of rheumatism: [5,16] g/kg, room humidity threshold: [5,14] g/kg.
A temperature difference between the ambient real-time temperature and the third temperature and/or a temperature difference between the ambient real-time humidity and the third humidity is determined, optionally also a ratio, a difference, a product or a sum, etc. Optionally, a first ratio of the ambient real-time temperature T1 and the third temperature T3 is determined, e.g. the first ratio is T1/T3, optionally a second ratio of the ambient real-time humidity d1 and the third humidity d3 is determined, e.g. the second ratio is d1/d3.
Optionally, acquiring a first heat exchanger temperature of the first fresh air heat exchanger and a second heat exchanger temperature of the second fresh air heat exchanger; determining a ratio between the first heat exchanger temperature and the second heat exchanger temperature;
optionally, when the first fresh air heat exchanger and the second fresh air heat exchanger are both used as evaporators, the ratio is greater than a preset ratio, and the temperature difference value or the humidity difference value is greater than the upper limit value of the target numerical value interval, determining the target regulation and control parameter comprises controlling the first heat exchange system to increase the operation frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotation speed of the fresh air fan and the rotation speed of the exhaust fan;
Optionally, when the first fresh air heat exchanger and the second fresh air heat exchanger are both used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference value or the humidity difference value is larger than the upper limit value of the target numerical value interval, determining the target regulation and control parameter comprises controlling the second heat exchange system to increase the operation frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotation speed of the fresh air fan and the rotation speed of the exhaust fan;
optionally, when the first fresh air heat exchanger and the second fresh air heat exchanger are both used as evaporators, the ratio is greater than a preset ratio, and the temperature difference value or the humidity difference value is smaller than the upper limit value of the target numerical value interval, determining the target regulation and control parameter comprises controlling the first heat exchange system to reduce the operation frequency of the compressor, increasing the opening of the electronic expansion valve, and controlling the fresh air equipment to reduce the rotation speed of the fresh air fan and the rotation speed of the exhaust fan;
optionally, when the first fresh air heat exchanger and the second fresh air heat exchanger are both used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference or the humidity difference is smaller than the upper limit value of the target numerical interval, determining the target regulation parameter includes controlling the second heat exchange system to reduce the operation frequency of the compressor, increasing the opening of the electronic expansion valve, and controlling the fresh air device to reduce the rotation speed of the fresh air fan and the rotation speed of the exhaust fan.
The target value interval is specifically a target interval which is required to be reached by the operation ratio of the air treatment equipment. The target value interval may be a set of values including one value, that is, the upper and lower values of the target value interval are the same and the same value. In addition, in the present embodiment, the target value interval may be a value set including more than one value. In the present embodiment, the target value interval is an interval having an upper limit value and a lower limit value. In other embodiments, the target value interval may be an interval having an upper limit value and no lower limit value or an interval having a lower limit value and no upper limit value.
Optionally, the difference between the ambient real-time temperature and the third temperature, and/or the difference between the ambient real-time humidity and the third humidity, respectively; and determining the running frequency of the compressor, the opening of the bypass air valve and/or the rotating speed of the fresh air fan according to the difference value. For example, when the temperature detected by the fresh air device is 15 degrees and the third temperature is 26 degrees, the larger the difference is, the larger the lifting amount of the operation frequency of the compressor is, and the smaller the reducing amount of the opening degree of the side ventilation valve is, the larger the increasing amount of the rotation speed of the fresh air fan is.
In the technical scheme of the embodiment, the target control parameters of the fresh air equipment are determined through the ambient temperature and/or the ambient humidity, so that the fresh air equipment can be promoted to quickly reach the set threshold range associated with the operation conditions, and the control accuracy is ensured.
The invention also provides a fresh air device, which comprises a memory, a processor and a control program of the fresh air device, wherein the control program of the fresh air device is stored in the memory and can be executed on the processor, and when being executed by the processor, the control program of the fresh air device realizes the steps of the control method of the fresh air device in the embodiment.
The invention also provides a computer readable storage medium, wherein the computer readable storage medium stores a control program of the fresh air equipment, and the control program of the fresh air equipment realizes each step of the control method of the fresh air equipment in the embodiment when being executed by a processor.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, system, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, system, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment system may be implemented by means of software plus necessary general purpose hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a computer readable storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a parking management device, an air conditioner, or a network device, etc.) to execute the system according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (13)

1. The utility model provides a control method of new trend equipment, its characterized in that, new trend equipment includes new trend proportion adjustment subassembly for adjust the proportion of return air and new trend in the new trend equipment is to indoor air supply, the method includes:
Acquiring a preset threshold range associated with the current operation condition of the fresh air equipment;
acquiring the ambient temperature and/or the ambient humidity;
and controlling the fresh air proportion adjusting component to adjust the proportion of return air to fresh air according to the preset threshold range, the ambient temperature and/or the ambient humidity.
2. The method of claim 1, wherein the predetermined threshold range comprises a first predetermined range, and wherein the step of controlling the fresh air ratio adjustment assembly to adjust the ratio of return air to fresh air based on the predetermined threshold range, the ambient temperature, and/or the ambient humidity comprises:
and when the ambient temperature and/or the ambient humidity are/is in a first preset range, controlling the fresh air proportion adjusting assembly to reduce the proportion of fresh air.
3. The method of claim 2, wherein the predetermined threshold range includes a second predetermined range, and the step of controlling the fresh air proportion adjustment assembly to adjust the proportion of return air to fresh air according to the predetermined threshold range, the ambient temperature, and/or the ambient humidity includes:
when the ambient temperature and/or the ambient humidity are/is within a second preset range, acquiring an air quality parameter;
And controlling the fresh air proportion adjusting assembly to adjust the proportion of return air to fresh air according to the air quality range of the air quality parameter.
4. The method of controlling fresh air equipment according to claim 3, wherein the air quality range includes a first quality range and a second quality range, the air quality corresponding to the first quality range is better than the air quality of the second quality range, and the step of controlling the fresh air proportion adjusting assembly to adjust the proportion of the return air to the fresh air according to the air quality range in which the air quality parameter is located includes:
when the air quality parameter is in a first quality range, controlling the fresh air proportion adjusting assembly to reduce the proportion of fresh air;
when the air quality parameter is in a second quality range, controlling the fresh air proportion adjusting assembly to improve the proportion of fresh air;
the air quality characterized by the first quality range is better than the air quality characterized by the second quality range.
5. The method of claim 4, wherein the fresh air device comprises a fresh air channel and an exhaust channel, the fresh air proportion adjusting assembly comprises a fresh air valve arranged on the fresh air channel and used for adjusting fresh air quantity, an exhaust valve arranged on the exhaust air channel and used for adjusting exhaust air quantity, and a bypass valve arranged between the fresh air channel and the exhaust channel and used for adjusting return air quantity entering the fresh air channel from the exhaust channel, and the step of controlling the fresh air proportion adjusting assembly to reduce the ratio of fresh air comprises at least one of the following steps:
Increasing the opening degree of the bypass air valve;
reducing the opening of the fresh air valve;
and reducing the opening degree of the exhaust air valve.
6. The method of controlling a fresh air appliance according to claim 5, wherein the step of controlling the fresh air proportion adjustment assembly to increase the duty cycle of the fresh air comprises at least one of:
reducing the opening degree of the bypass air valve;
increasing the opening degree of the fresh air valve;
and increasing the opening degree of the exhaust air valve.
7. The method for controlling fresh air equipment according to claim 3, wherein,
in the refrigeration mode, the first preset range is: the ambient temperature is greater than the first temperature, or the ambient humidity is greater than the first humidity;
in the refrigeration mode, the second preset range is: the ambient temperature is less than the first temperature, and the ambient humidity is less than the first humidity;
in the heating mode, the first preset range is: the ambient temperature is less than the second temperature, or the ambient humidity is less than the second humidity;
in the heating mode, the second preset range is: the ambient temperature is greater than the second temperature and the ambient humidity is greater than the second humidity.
8. The method of controlling a fresh air apparatus according to claim 1, further comprising a compressor, an electronic expansion valve, a fresh air heat exchanger, a fresh air fan, and an exhaust fan, wherein the fresh air heat exchanger is disposed in the fresh air duct and connected to the compressor, the fresh air fan is disposed in the fresh air duct, and the step of controlling the fresh air proportion adjusting assembly to adjust the proportion of return air to fresh air further comprises, after the step of:
Acquiring a set threshold range associated with the current operation condition of the fresh air equipment;
acquiring the environment real-time temperature and/or environment real-time humidity;
and controlling at least one of the running frequency of the compressor, the opening of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan according to the set threshold range, the environment real-time temperature and/or the environment real-time humidity.
9. The method of controlling a fresh air device according to claim 8, wherein the set threshold range includes a first set range and a second set range, and the step of controlling at least one of an operation frequency of the compressor, an opening degree of the electronic expansion valve, a rotational speed of the fresh air fan, and a rotational speed of the exhaust fan according to the set threshold range, the ambient real-time temperature, and/or the ambient real-time humidity includes:
when the environment real-time temperature and/or the environment real-time temperature are/is in a first set range, controlling the fresh air equipment to increase the running frequency of a compressor, reducing the opening of the electronic expansion valve, increasing the rotating speed of the fresh air fan and increasing the rotating speed of the exhaust fan;
When the ambient real-time temperature and/or the ambient real-time temperature is in a second set range, controlling the fresh air device to reduce the running frequency of the compressor, increasing the opening of the electronic expansion valve, reducing the rotating speed of the fresh air fan and reducing the rotating speed of the exhaust fan.
10. The method of controlling a fresh air device according to claim 8, wherein the fresh air device includes a first heat exchange system and a second heat exchange system, and the step of controlling at least one of an operating frequency of the compressor, an opening degree of the electronic expansion valve, a rotational speed of the fresh air fan, and a rotational speed of the exhaust fan according to the set threshold range, the ambient real-time temperature, and/or the ambient real-time humidity includes:
determining the environment real-time temperature and the environment real-time humidity respectively, and a third temperature and a third humidity corresponding to the set threshold range;
determining a temperature difference between the ambient real-time temperature and the third temperature and/or determining a humidity difference between the ambient real-time humidity and the third humidity;
determining a target regulation and control parameter according to the temperature difference value and/or the humidity difference value, wherein the target regulation and control parameter comprises at least one of the running frequency of the compressor, the opening degree of the electronic expansion valve, the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
And controlling the first heat exchange system to operate and/or controlling the second heat exchange system to operate according to the target regulation and control parameters.
11. The control method of fresh air equipment according to claim 10, wherein the first heat exchange system comprises a first fresh air heat exchanger, the second heat exchange system comprises a second fresh air heat exchanger, and the first fresh air heat exchanger and the second fresh air heat exchanger are arranged in the fresh air duct and are sequentially arranged along the air flow direction in the fresh air duct; the step of determining a target regulation parameter according to the temperature difference value and/or the humidity difference value comprises the following steps:
acquiring the temperature of a first heat exchanger of the first fresh air heat exchanger and the temperature of a second heat exchanger of the second fresh air heat exchanger;
determining a ratio between the first heat exchanger temperature and the second heat exchanger temperature;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is larger than a preset ratio, and the temperature difference value or the humidity difference value is larger than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the first heat exchange system to increase the running frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
When the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference value or the humidity difference value is larger than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the second heat exchange system to increase the running frequency of the compressor, reducing the opening of the electronic expansion valve, and controlling the fresh air equipment to increase the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is larger than a preset ratio, and the temperature difference value or the humidity difference value is smaller than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the first heat exchange system to reduce the running frequency of the compressor, increasing the opening of the electronic expansion valve, and controlling the fresh air equipment to reduce the rotating speed of the fresh air fan and the rotating speed of the exhaust fan;
when the first fresh air heat exchanger and the second fresh air heat exchanger are used as evaporators, the ratio is smaller than a preset ratio, and the temperature difference value or the humidity difference value is smaller than the upper limit value of a target numerical value interval, determining the target regulation and control parameters comprises controlling the second heat exchange system to reduce the running frequency of the compressor and increase the opening of the electronic expansion valve, and controlling the fresh air equipment to reduce the rotating speed of the fresh air fan and the rotating speed of the exhaust fan.
12. Fresh air device, characterized in that it comprises a memory, a processor and a control program of the fresh air device stored in the memory and executable on the processor, which when executed by the processor realizes the steps of the control method of the fresh air device according to any one of claims 1-11.
13. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a control program of a fresh air device, which when executed by a processor, implements the respective steps of the control method of a fresh air device according to any one of claims 1 to 11.
CN202210810327.XA 2022-07-11 2022-07-11 Control method of fresh air equipment, fresh air equipment and storage medium Pending CN117419439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210810327.XA CN117419439A (en) 2022-07-11 2022-07-11 Control method of fresh air equipment, fresh air equipment and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210810327.XA CN117419439A (en) 2022-07-11 2022-07-11 Control method of fresh air equipment, fresh air equipment and storage medium

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Publication Number Publication Date
CN117419439A true CN117419439A (en) 2024-01-19

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