CN117419438A - 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 PDFInfo
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- CN117419438A CN117419438A CN202210810322.7A CN202210810322A CN117419438A CN 117419438 A CN117419438 A CN 117419438A CN 202210810322 A CN202210810322 A CN 202210810322A CN 117419438 A CN117419438 A CN 117419438A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005265 energy consumption Methods 0.000 claims abstract description 52
- 238000002156 mixing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
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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
- 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
-
- 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 an energy consumption parameter corresponding to the current moment; when the energy consumption parameter is larger than a preset threshold value, determining an air quality parameter corresponding to the fresh air equipment; and determining the operation parameters of the fresh air proportion adjusting assembly according to the air quality parameters, and controlling the fresh air proportion adjusting assembly to operate according to the operation parameters. The invention saves the energy consumption of fresh air equipment.
Description
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 on indoor hot environments are not only cold and hot, 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 put on freshness and cleanliness, and fresh air is increasingly applied as an effective and important solution. However, the fresh air equipment is used as equipment for heat and humidity load treatment, and the fresh air treatment energy consumption is greatly increased as the fresh air demand is larger.
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 of how to reduce the energy consumption of fresh air treatment.
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, the fresh air proportion adjusting component is used for adjusting the fresh air proportion in return air, and the control method of the fresh air equipment comprises the following steps:
acquiring an energy consumption parameter corresponding to the current moment;
when the energy consumption parameter is larger than a preset threshold value, determining an air quality parameter corresponding to the fresh air equipment;
and determining the operation parameters of the fresh air proportion adjusting assembly according to the air quality parameters, and controlling the fresh air proportion adjusting assembly to operate according to the operation parameters.
In an embodiment, after the step of obtaining the energy consumption parameter corresponding to the current time, the method further includes:
and when the energy consumption parameter is smaller than a preset threshold value, controlling the fresh air proportion adjusting assembly to operate in a full fresh air mode.
In an embodiment, the step of obtaining the energy consumption parameter corresponding to the current time includes:
Determining an outdoor enthalpy value and an indoor enthalpy value corresponding to the fresh air equipment;
and determining the energy consumption parameter according to the difference value of the outdoor enthalpy value and the indoor enthalpy value.
In one embodiment, the step of determining the operation parameter of the fresh air proportion adjustment assembly according to the air quality parameter includes:
when the air quality parameter is larger than a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is an operation parameter of a fresh air mode;
when the air quality parameter is smaller than a preset second threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of a full return air mode;
when the air quality parameter is larger than or equal to a preset second threshold value and smaller than or equal to a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of the air mixing mode, wherein the preset first threshold value is larger than the preset second threshold value.
In an embodiment, the fresh air proportion adjusting assembly comprises a fresh air valve, an exhaust air valve and a bypass air valve, wherein the fresh air valve is arranged in a fresh air channel of the fresh air equipment, the exhaust air valve is arranged in an exhaust air channel of the fresh air equipment, the bypass air valve is arranged between the fresh air channel and the exhaust air channel, and the step of controlling the fresh air proportion adjusting assembly to operate according to the operation parameters comprises the following steps:
Controlling the fresh air proportion adjusting component to operate according to the operation parameters so as to realize a fresh air mode, a full return air mode or a mixed air mode of the fresh air equipment;
under the full fresh air mode, the fresh air valve and the exhaust air valve are controlled to be opened to the maximum opening degree, and the bypass air valve is controlled to be fully closed; in a full return mode, controlling the fresh air valve and the exhaust air valve to be fully closed, and opening the bypass air valve to the maximum opening; and in the air mixing mode, controlling the fresh air valve, the exhaust air valve and the bypass air valve to open preset opening degrees.
In an embodiment, the fresh air device further comprises 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 arranged in the fresh air channel and connected with the compressor, the fresh air fan is arranged in the fresh air channel, and after the step of controlling the fresh air proportion adjusting assembly to operate according to the operation parameters, the fresh air device further comprises:
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.
The invention provides a control method of fresh air equipment, fresh air equipment and a storage medium, wherein energy consumption parameters corresponding to the current moment are obtained; when the energy consumption parameter is larger than a preset threshold value, determining an air quality parameter corresponding to the fresh air equipment; and determining the operation parameters of the fresh air proportion adjusting assembly according to the air quality parameters, and controlling the fresh air proportion adjusting assembly to operate according to the operation parameters. And the operation parameters of the fresh air proportion adjusting component of the fresh air equipment are determined according to the energy consumption parameters and the air quality parameters, so that the fresh air is accurately adjusted, the fresh air equipment is prevented from continuously operating with larger power consumption under the condition of ensuring the air quality, and the energy consumption of the fresh air equipment is saved.
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 diagram of a refinement flow of step S30 of a second embodiment of a control method of a fresh air device of 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 schematic diagram of a refinement flow of step S60 of a fourth embodiment of a control method of a fresh air device according to the present invention.
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 an energy consumption parameter corresponding to the current moment; when the energy consumption parameter is larger than a preset threshold value, determining an air quality parameter corresponding to the fresh air equipment; and determining the operation parameters of the fresh air proportion adjusting assembly according to the air quality parameters, and controlling the fresh air proportion adjusting assembly to operate according to the operation parameters.
And the operation parameters of the fresh air proportion adjusting component of the fresh air equipment are determined according to the energy consumption parameters and the air quality parameters, so that the fresh air is accurately adjusted, the fresh air equipment is prevented from continuously operating with larger power consumption under the condition of ensuring the air quality, and the energy consumption of the fresh air equipment is saved.
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 an energy consumption parameter corresponding to the current moment;
when the energy consumption parameter is larger than a preset threshold value, determining an air quality parameter corresponding to the fresh air equipment;
and determining the operation parameters of the fresh air proportion adjusting assembly according to the air quality parameters, and controlling the fresh air proportion adjusting assembly to operate according to the operation 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:
and when the energy consumption parameter is smaller than a preset threshold value, controlling the fresh air proportion adjusting assembly to operate in a full fresh air mode.
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 an outdoor enthalpy value and an indoor enthalpy value corresponding to the fresh air equipment;
And determining the energy consumption parameter according to the difference value of the outdoor enthalpy value and the indoor enthalpy value.
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 larger than a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is an operation parameter of a fresh air mode;
when the air quality parameter is smaller than a preset second threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of a full return air mode;
when the air quality parameter is larger than or equal to a preset second threshold value and smaller than or equal to a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of the air mixing mode, wherein the preset first threshold value is larger than the preset second threshold value.
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:
controlling the fresh air proportion adjusting component to operate according to the operation parameters so as to realize a fresh air mode, a full return air mode or a mixed air mode of the fresh air equipment;
Under the full fresh air mode, the fresh air valve and the exhaust air valve are controlled to be opened to the maximum opening degree, and the bypass air valve is controlled to be fully closed; in a full return mode, controlling the fresh air valve and the exhaust air valve to be fully closed, and opening the bypass air valve to the maximum opening; and in the air mixing mode, controlling the fresh air valve, the exhaust air valve and the bypass air valve to open preset opening degrees.
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, obtaining an energy consumption parameter corresponding to the current moment;
specifically, in the cooling mode or heating mode of the fresh air device, the energy consumption parameter is used for indicating the energy consumption required by the fresh air device. Optionally, the fresh air device can be an air conditioner or an air treatment device such as an air disinfection cabinet.
Optionally, when the energy consumption parameter includes an outdoor temperature and an indoor temperature, the energy consumption parameter is larger when the difference between the outdoor temperature and the indoor temperature is larger; when the difference between the outdoor temperature and the indoor temperature is small, the energy consumption parameter is small. Optionally, when the energy consumption parameter includes an outdoor enthalpy value and an indoor enthalpy value, the energy consumption parameter is larger when the difference between the outdoor enthalpy value and the indoor enthalpy value is larger; when the difference between the outdoor enthalpy value and the indoor enthalpy value is smaller, the energy consumption parameter is smaller.
Optionally, when the energy consumption parameter is an outdoor enthalpy value and an indoor enthalpy value, determining an outdoor enthalpy value H1 and an indoor enthalpy value H2 corresponding to the fresh air device, and determining an energy consumption parameter H according to a difference value between the outdoor enthalpy value H1 and the indoor enthalpy value H2, namely h=h1-H2. The enthalpy value in the air represents the total heat contained in the air, and the calculation mode of the enthalpy value i is shown as the following formula:
i＝1.01t+(2490+1.84t)d；
or i= (1.01+1.84 d) t+2490d (kJ/kg dry air);
Wherein t represents the temperature of air in degrees celsius; d represents the moisture content of the air, i.e., humidity; 1.01 represents the average specific heat at constant pressure of dry air, in kJ/(kg.K); 1.84 represents the average specific heat at constant pressure of water vapor, in kJ/(kg. K); 2490 represents the latent heat of vaporization of water at 0℃in kJ/kg.
Step S20, when the energy consumption parameter is larger than a preset threshold value, determining an air quality parameter corresponding to the fresh air equipment;
specifically, when the energy consumption parameter is greater than the preset threshold, the higher the fresh air proportion is in the current environment, the larger the energy consumption requirement is, namely, the larger the energy consumption is required when the full fresh air mode is performed. At this time, it is required to determine whether the air quality parameter meets the user requirement, where the air quality parameter corresponding to the fresh air device may be an air quality parameter in the room. Accordingly, it is desirable to determine air quality parameters of the fresh air device, optionally including at least one of carbon dioxide CO2 concentration, PM2.5 concentration, TVOC (Total Volatile Organic Compounds ) concentration, alcohol CHO concentration, etc.
Optionally, when the energy consumption parameter is smaller than the preset threshold, the fresh air proportion is higher in the current environment, but the energy consumption requirement is smaller, that is, when the fresh air mode is performed, the required energy consumption is smaller, so that the fresh air proportion adjusting component is controlled to operate in the fresh air mode.
And step S30, determining the operation parameters of the fresh air proportion adjusting assembly according to the air quality parameters, and controlling the fresh air proportion adjusting assembly to operate according to the operation parameters.
Specifically, the fresh air proportion adjusting component is used for adjusting the proportion of return air and fresh air in indoor air supply of 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.
And determining the operation parameters of the fresh air proportion adjusting component according to the air quality parameters, optionally, reducing the fresh air proportion when the air quality is determined to be good according to the air quality parameters, and maintaining the current fresh air proportion or improving the fresh air proportion when the air quality is determined to be poor according to the air quality parameters, wherein the operation parameters comprise the fresh air proportion.
In the technical scheme of the embodiment, the operation parameters of the fresh air proportion adjusting component of the fresh air equipment are determined according to the energy consumption parameters and the air quality parameters, so that the fresh air is accurately adjusted, the fresh air equipment is prevented from continuously operating with larger power consumption under the condition that the air quality is ensured, and the energy consumption of the fresh air equipment is saved.
Referring to fig. 6, fig. 6 is a second embodiment of a control method of the fresh air device according to the present invention, based on the first embodiment, the step S30 includes:
step S31, when the air quality parameter is larger than a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of a fresh air mode;
step S32, when the air quality parameter is smaller than a preset second threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of a full return air mode;
step S33, when the air quality parameter is greater than or equal to a preset second threshold value and less than or equal to a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is an operation parameter of a mixing mode, where the preset first threshold value is greater than the preset second threshold value.
Specifically, when the air quality parameter is greater than the preset first threshold, it indicates that the current indoor air quality is poor, however, even under the condition of high energy consumption, the indoor air quality still needs to be maintained, so that the operation parameter of the fresh air proportion adjusting assembly is determined to be the operation parameter of the fresh air mode, and the fresh air proportion adjusting assembly is controlled to operate according to the operation parameter of the fresh air mode.
When the air quality parameter is smaller than a preset second threshold value, the current indoor air quality is good, so that the operation parameter of the fresh air proportion adjusting component is determined to be the operation parameter of the full return air mode, and the fresh air proportion adjusting component is controlled to operate according to the operation parameter of the full return air mode; the preset first threshold value is larger than the preset second threshold value, and optionally, when the air quality parameter is the carbon dioxide concentration, the first threshold value is more than or equal to 200ppm and less than or equal to the second threshold value is more than or equal to 3000ppm.
When the air quality parameter is larger than or equal to a preset second threshold value and smaller than or equal to a preset first threshold value, the current indoor air quality is indicated to be general, the operation parameter of the fresh air proportion adjusting component is determined to be the operation parameter of the air mixing mode, and the fresh air proportion adjusting component is controlled to operate according to the operation parameter of the air mixing mode.
The fresh air mode, the full return air mode and the mixed air mode are different in fresh air proportion, alternatively, the fresh air proportion in the full return air mode is 100%, the fresh air proportion in the full return air mode is 0%, the fresh air proportion in the mixed air mode can be between 0% and 100%, and specific proportion values can be determined by air quality parameters.
The fresh air proportion adjusting component comprises a fresh air valve, an exhaust air valve and a bypass air valve, optionally, in a fresh air mode, the fresh air valve and the exhaust air valve are controlled to be opened to the maximum opening degree, and the bypass air valve is controlled to be fully closed, wherein the operation parameters of the fresh air mode comprise the opening degree of each air valve. In a full return mode, controlling the fresh air valve and the exhaust air valve to be fully closed, and opening the bypass air valve to the maximum opening, wherein the operation parameters of the full return mode comprise the opening of each air valve; and under the air mixing mode, controlling the fresh air valve, the exhaust air valve and the side air valve to open preset opening degrees, wherein the operation parameters of the air mixing mode comprise the opening degrees of the air valves.
In the technical scheme of the embodiment, the operation parameters of the fresh air proportion adjusting component of the fresh air equipment are determined according to the energy consumption parameters and the air quality parameters, so that the fresh air is accurately adjusted, the fresh air equipment is prevented from continuously operating with larger power consumption under the condition that the air quality is ensured, and the energy consumption of the fresh air equipment is saved.
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 S40, 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 S50, acquiring the ambient real-time temperature and/or the ambient real-time humidity;
and step S60, 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. When the real-time temperature and/or the real-time humidity of the environment are/is adjusted, the fresh air duty ratio should be kept unchanged, otherwise, the indoor air quality is reduced, so that the temperature and the humidity and the air quality which are not up to the requirements are caused, and therefore the fresh air fan and the exhaust fan need to be adjusted at the same time, and the fresh air duty ratio is ensured not to be changed.
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 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 quickly reach the set threshold range associated with the operation conditions, and the control accuracy is ensured.
Referring to fig. 8, fig. 8 is a fourth embodiment of a control method of a dehumidifier according to the present invention, wherein the step S60 includes, based on any one of the first to third embodiments:
step S61, respectively determining the environment real-time temperature and the environment real-time humidity, and a third temperature and a third humidity corresponding to the set threshold range;
step S62, 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 S63, 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;
and step S64, 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.
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; a ratio between the first heat exchanger temperature and the second heat exchanger temperature is determined. 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 or the humidity difference is greater than the upper limit value of the target numerical interval, determining the target regulation parameter includes 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. The first heat exchange system is preferentially controlled so as to improve the energy efficiency of the fresh air equipment.
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. And the second heat exchange system is preferentially controlled so as to improve the energy efficiency of the fresh air equipment.
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 or the humidity difference is smaller than the upper limit value of the target numerical interval, determining the target regulation parameter includes 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 device to reduce the rotation speed of the fresh air fan and the rotation speed of the exhaust fan. The first heat exchange system is preferentially controlled so as to improve the energy efficiency of the fresh air equipment.
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. And the second heat exchange system is preferentially controlled so as to improve the energy efficiency of the fresh air equipment.
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 environment real-time temperature and/or the environment real-time humidity, so that the fresh air equipment can 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 (11)
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, new trend proportion adjustment subassembly is used for adjusting the proportion of return air and new trend in the new trend equipment to indoor air supply, the method includes:
Acquiring an energy consumption parameter corresponding to the current moment;
when the energy consumption parameter is larger than a preset threshold value, determining an air quality parameter corresponding to the fresh air equipment;
and determining the operation parameters of the fresh air proportion adjusting assembly according to the air quality parameters, and controlling the fresh air proportion adjusting assembly to operate according to the operation parameters.
2. The method for controlling fresh air equipment according to claim 1, wherein after the step of obtaining the energy consumption parameter corresponding to the current time, the method further comprises:
and when the energy consumption parameter is smaller than a preset threshold value, controlling the fresh air proportion adjusting assembly to operate in a full fresh air mode.
3. The method for controlling a fresh air device according to claim 1, wherein the step of obtaining the energy consumption parameter corresponding to the current time comprises:
determining an outdoor enthalpy value and an indoor enthalpy value corresponding to the fresh air equipment;
and determining the energy consumption parameter according to the difference value of the outdoor enthalpy value and the indoor enthalpy value.
4. The method of controlling a fresh air appliance according to claim 1, wherein the step of determining the operating parameters of the fresh air proportion adjustment assembly based on the air quality parameter comprises:
when the air quality parameter is larger than a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is an operation parameter of a fresh air mode;
When the air quality parameter is smaller than a preset second threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of a full return air mode;
when the air quality parameter is larger than or equal to a preset second threshold value and smaller than or equal to a preset first threshold value, determining that the operation parameter of the fresh air proportion adjusting assembly is the operation parameter of the air mixing mode, wherein the preset first threshold value is larger than the preset second threshold value.
5. The method of claim 4, wherein the fresh air ratio adjustment assembly comprises a fresh air damper, an exhaust damper, and a bypass damper, the fresh air damper is disposed in a fresh air channel of the fresh air device, the exhaust damper is disposed in an exhaust channel of the fresh air device, the bypass damper is disposed between the fresh air channel and the exhaust channel, and the step of controlling the fresh air ratio adjustment assembly to operate according to the operating parameters comprises:
controlling the fresh air proportion adjusting component to operate according to the operation parameters so as to realize a fresh air mode, a full return air mode or a mixed air mode of the fresh air equipment;
under the full fresh air mode, the fresh air valve and the exhaust air valve are controlled to be opened to the maximum opening degree, and the bypass air valve is controlled to be fully closed; in a full return mode, controlling the fresh air valve and the exhaust air valve to be fully closed, and opening the bypass air valve to the maximum opening; and in the air mixing mode, controlling the fresh air valve, the exhaust air valve and the bypass air valve to open preset opening degrees.
6. The method for controlling a fresh air device 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 passage and connected to the compressor, the fresh air fan is disposed in the fresh air passage, and the step of controlling the fresh air proportion adjusting assembly to operate according to the operation parameters further comprises:
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.
7. The method of controlling a fresh air device according to claim 6, 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 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:
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.
8. The method of controlling a fresh air device according to claim 6, wherein the fresh air device comprises 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 comprises:
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.
9. The control method of fresh air equipment according to claim 8, 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.
10. 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 1-9.
11. 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 9.
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| CN202210810322.7A CN117419438A (en) | 2022-07-11 | 2022-07-11 | Control method of fresh air equipment, fresh air equipment and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210810322.7A CN117419438A (en) | 2022-07-11 | 2022-07-11 | Control method of fresh air equipment, fresh air equipment and storage medium |
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| CN202210810322.7A Pending CN117419438A (en) | 2022-07-11 | 2022-07-11 | Control method of fresh air equipment, fresh air equipment and storage medium |
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