CN113587342B - Fresh air equipment control method and device and fresh air conditioner - Google Patents

Fresh air equipment control method and device and fresh air conditioner Download PDF

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Publication number
CN113587342B
CN113587342B CN202110751923.0A CN202110751923A CN113587342B CN 113587342 B CN113587342 B CN 113587342B CN 202110751923 A CN202110751923 A CN 202110751923A CN 113587342 B CN113587342 B CN 113587342B
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preset
fan
air outlet
temperature
air
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CN113587342A (en
Inventor
张凤梅
江标
张铭钊
植雄智
张奕强
杨梅
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • 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)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a fresh air equipment control method and device and fresh air equipment, and belongs to the field of fresh air equipment control; firstly, acquiring the outdoor temperature of the outdoor unit, the air outlet temperature of an indoor air outlet and the indoor air quality parameter, then controlling whether an inner main fan, a new fan and an outer fan operate according to the outdoor temperature and the air outlet temperature, and judging whether to adjust the operation gear of the new fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature. The running condition of each fan is controlled according to the outdoor temperature and the air outlet temperature, so that the normal running of the air conditioner can be ensured; and judge whether according to air quality parameter according to outdoor temperature and air-out temperature and adjust new trend fan operation gear, can guarantee that the air conditioner is normal to be operated, select to control new trend fan operation gear according to air quality parameter, like this can enough guarantee that the air conditioner normal operating provides suitable temperature, can guarantee again that indoor air quality is good, provide comfortable environment for indoor.

Description

Fresh air equipment control method and device and fresh air conditioner
Technical Field
The invention relates to the field of fresh air equipment control, in particular to a fresh air equipment control method and device and a fresh air conditioner.
Background
The heat exchange mode of the traditional air conditioner basically comprises the steps of circularly sucking indoor air from the return air inlet through the return air inlet and the air outlet of the indoor unit, exchanging heat through the heat exchanger and then blowing out the indoor air from the air outlet, so that the indoor temperature change is realized. In order to obtain a good heating effect, the air conditioner is usually required to be used in a closed space. However, there is a disadvantage in that indoor circulating air cannot exchange with external air, and human body activities in the room for a long time tend to cause poor indoor air quality, reduced oxygen content, and poorer comfort, which is extremely unfavorable for human health.
In order to solve the problem, products such as a fresh air conditioner, an air purifier and the like are sequentially arranged on the market, the fresh air conditioner comprises a fresh air port and a fresh air fan, when the fresh air is required in the room, an air valve of the fresh air port and an air valve of an air return port are opened, the fresh air fan is opened, outdoor side air is sucked in from the air inlet and then subjected to heat exchange through a heat exchanger, and then is blown out from the air outlet, so that the air quality of the indoor side is ensured; when no fresh air demand exists indoors, the fresh air fan can compensate return air, the air quantity is guaranteed not to decay, and the heat exchange demand of a user is met.
However, when the outdoor temperature is below 0 ℃, the outdoor heat exchanger is easy to frost, and in the defrosting process, if fresh air is introduced, the indoor temperature change is easy to cause and is difficult to reach the preset temperature due to lower fresh air temperature, and if fresh air is not introduced, the indoor air quality is poor. Therefore, when the outdoor temperature is lower, the existing fresh air equipment is harder to meet, so that the indoor air quality is guaranteed to be good, and the indoor air temperature is guaranteed to be proper.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a fresh air equipment control method and device and a fresh air conditioner, and aims to solve the problems that when the outdoor temperature is low, the existing fresh air equipment is difficult to meet, so that the indoor air quality is guaranteed to be good, and the indoor air temperature is guaranteed to be proper.
The technical scheme adopted for solving the technical problems is as follows:
in a first aspect of the present invention,
a fresh air equipment control method comprises the following steps:
acquiring the outdoor temperature of the outdoor unit, the air outlet temperature of the indoor air outlet and the indoor air quality parameters;
controlling whether an inner unit main fan, a fresh air fan and an outer fan operate according to the outdoor temperature and the air outlet temperature; and judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature.
Further, the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the outdoor temperature and the air outlet temperature includes:
acquiring the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air-out temperature and the preset air-out temperature; the preset outdoor temperature comprises a first preset outdoor temperature and a second preset outdoor temperature, and the first preset outdoor temperature is smaller than the second preset outdoor temperature; the preset air outlet temperature comprises: the first preset air outlet temperature, the second preset air outlet temperature and the second preset air outlet temperature, wherein the first preset air outlet temperature is smaller than the second preset air outlet temperature, and the second preset air outlet temperature is smaller than the third preset air outlet temperature;
and controlling whether the main fan, the fresh air fan and the external fan of the internal machine run or not according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature.
Further, the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises:
and when the outdoor temperature is not greater than the first preset outdoor temperature, controlling the external fan and the fresh air fan to stop running, and controlling the internal unit main fan to run.
Further, the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises:
when the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the first preset air outlet temperature and not greater than the second preset air outlet temperature, the operation of the outer fan and the fresh air fan is controlled, and the operation of the main fan of the inner machine is controlled to stop.
Further, the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises:
and when the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the second preset air outlet temperature and not greater than the third preset air outlet temperature, controlling the operation of the main fan, the fresh air fan and the external fan of the inner unit.
Further, the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises:
and when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is greater than the third preset air outlet temperature, controlling the outer fan to stop running, and controlling the fresh air fan and the inner main fan to run.
Further, the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises:
when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is not greater than the first preset air outlet temperature, the operation of the main fan, the fresh air fan and the external fan of the internal machine is controlled.
Further, judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature comprises:
and when the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the second preset air outlet temperature and not greater than the third preset air outlet temperature, controlling the running gear of the fresh air fan according to the air quality parameter.
Further, judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature comprises:
and when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is not greater than the first preset air outlet temperature, controlling the running gear of the fresh air fan according to the air quality parameter.
Further, the controlling the operation gear of the fresh air fan according to the air quality parameter includes:
judging the magnitude relation between the air quality parameter and a preset value, wherein the preset value comprises a first preset value, a second preset value and a third preset value, and the first preset value is smaller than the second preset value;
and controlling the running gear of the fresh air fan according to the magnitude relation between the air quality parameter and the preset value.
Further, the controlling the operation gear of the fresh air fan according to the magnitude relation between the air quality parameter and the preset value includes:
when the air quality parameter is smaller than a first preset value, reducing the running gear of the fresh air fan;
when the air quality parameter is not smaller than a first preset value and not larger than a second preset value, reducing the running gear of the fresh air fan;
and when the air quality parameter is larger than a second preset value, the running gear of the fresh air fan is improved.
Further, the method further comprises the following steps: and sending out an alarm according to the magnitude relation between the air quality parameter and the preset value.
Further, the alarm is sent out in a mode that the display panel displays different colors.
Further, the alarm sending out by adopting the display panel to display different colors comprises:
when the air quality parameter is smaller than a first preset value, the display panel displays green;
when the air quality parameter is not smaller than a first preset value and not larger than a second preset value, the display panel displays yellow;
and when the air quality parameter is larger than a second preset value, the display panel displays red.
Further, the acquiring the outdoor temperature of the outdoor unit includes:
and obtaining the tube temperature of the condenser of the outdoor unit.
Further, the acquiring the indoor air quality parameter includes acquiring an indoor C02 concentration, and/or a PM2.5 concentration.
Further, the fresh air equipment comprises any one of the following equipment: fresh air conditioner and air purifier.
In a second aspect of the present invention,
a fresh air appliance control device, comprising:
the temperature acquisition module is used for acquiring the outdoor temperature of the position of the outdoor unit and the air outlet temperature of the air outlet;
the fan control module is used for controlling whether the main fan, the fresh air fan and the external fan of the internal machine run or not according to the outdoor temperature and the air outlet temperature; and judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature.
In a third aspect of the present invention,
a fresh air appliance comprising:
a processor; the method comprises the steps of,
a memory for storing the processor-executable instructions;
the processor is configured to perform the method described in the above-mentioned solutions.
The application adopts the technical scheme, possesses following beneficial effect at least:
the technical scheme of the application provides a fresh air equipment control method, a device and fresh air equipment, wherein the method comprises the steps of firstly obtaining outdoor temperature of an outdoor unit, air outlet temperature of an indoor air outlet and indoor air quality parameters, then controlling whether an inner unit main fan, a fresh air fan and an outer fan operate according to the outdoor temperature and the air outlet temperature, and judging whether to adjust the operation gear of the fresh air fan according to the air quality parameters according to the outdoor temperature and the air outlet temperature. The running condition of each fan is controlled according to the outdoor temperature and the air outlet temperature, so that the normal running of the air conditioner can be ensured, the stable air outlet temperature is ensured, and the indoor temperature is ensured to be proper; and whether the running gear of the fresh air fan is regulated according to the air quality parameters is judged according to the outdoor temperature and the air outlet temperature, and when the normal running of the air conditioner is ensured, the running gear of the fresh air fan is controlled according to the air quality parameters, so that the normal running of the air conditioner can be ensured to provide proper temperature, the good indoor air quality can be ensured, and a comfortable environment is provided for the indoor.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a fresh air equipment control method provided by an embodiment of the invention;
FIG. 2 is a flow chart of a fresh air conditioner control method provided by an embodiment of the invention;
FIG. 3 is a flow chart of a gear control of a fresh air fan provided by an embodiment of the invention;
FIG. 4 is a diagram of a fresh air equipment control device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present invention will be described in detail with reference to the accompanying drawings and examples. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, based on the examples herein, which are within the scope of the protection sought by those of ordinary skill in the art without undue effort, are intended to be encompassed by the present application.
Referring to fig. 1, an embodiment of the present invention provides a method for controlling fresh air equipment, including the following steps:
acquiring the outdoor temperature of the outdoor unit, the air outlet temperature of the indoor air outlet and the indoor air quality parameters;
whether the main fan, the fresh air fan and the external fan of the internal machine run or not is controlled according to the outdoor temperature and the air outlet temperature; and judging whether to control the operation gear of the fresh air fan according to the air quality parameters according to the outdoor temperature and the air outlet temperature.
According to the fresh air equipment control method provided by the embodiment of the invention, firstly, the outdoor temperature of the outdoor unit, the air outlet temperature of the indoor air outlet and the indoor air quality parameters are obtained, then, whether the main fan, the fresh air fan and the outer fan of the indoor unit operate or not is controlled according to the outdoor temperature and the air outlet temperature, and whether the operation gear of the fresh air fan is adjusted according to the air quality parameters is judged according to the outdoor temperature and the air outlet temperature. The running condition of each fan is controlled according to the outdoor temperature and the air outlet temperature, so that the normal running of the air conditioner can be ensured, the stable air outlet temperature is ensured, and the indoor temperature is ensured to be proper; and whether the running gear of the fresh air fan is regulated according to the air quality parameters is judged according to the outdoor temperature and the air outlet temperature, and when the normal running of the air conditioner is ensured, the running gear of the fresh air fan is controlled according to the air quality parameters, so that the normal running of the air conditioner can be ensured to provide proper temperature, the good indoor air quality can be ensured, and a comfortable environment is provided for the indoor.
As a supplementary explanation of the above embodiment, the embodiment of the present invention further provides a specific fresh air conditioner control method, as shown in fig. 2, in which the tube temperature of the condenser of the outdoor unit is taken as the outdoor temperature, and the CO2 concentration is taken as the air quality parameter.
It will be appreciated that when the outdoor temperature is low, the air conditioner is typically operated in a heating mode. At this time, the outdoor temperature T is obtained by a bulb provided in the condenser of the outdoor unit, and then the air outlet temperature TC at the air outlet of the indoor unit is obtained (the obtaining manner is not limited herein). And controlling the running condition of each fan according to the outdoor temperature T and the air outlet temperature TC. It should be noted that, the external fan mentioned in this document is a fan of the outdoor unit, and the internal main fan is a fan of the indoor unit.
It should be noted that the compressor is in operation during the entire control process.
When the outdoor temperature T is not greater than the first preset outdoor temperature T1, the external fan is stopped, a defrosting mode is entered, the four-way valve is not electrified, the air conditioner enters a refrigeration operation mode, and an internal main fan operation air-out mode is executed, namely: and stopping the fresh air fan, and running the main fan of the inner machine.
When the outdoor temperature T is not less than the second preset outdoor temperature T2 (T2 > T1) and the air outlet temperature TC is greater than the first preset air outlet temperature TC0 but not greater than the second preset air outlet temperature TC1 (TC 1 > TC 0), the external fan is operated, at this time, the four-way valve is electrified, the air conditioner heats and operates, and a fresh air fan operation air outlet mode is executed, namely: the main fan of the inner machine stops, the fresh air fan operates, cold air is prevented, and comfortableness is guaranteed.
When the outdoor temperature T is not less than the second preset outdoor temperature T2 (T2 > T1) and the temperature of the air outlet is greater than the second preset air inlet temperature TC1 but not greater than the third preset air inlet temperature TC2 (TC 1 < TC 2), the four-way valve is electrified at the moment, the air conditioner is in a normal heating operation mode, and an inner main fan and a fresh air fan are executed to simultaneously operate an air outlet mode, namely: the fresh air fan and the inner main fan are operated, the outer fan and the compressor are operated normally, the wind shield of the fresh air fan can be adjusted according to requirements (the color of a display panel of the CO2 sensor is shown in detail, a windshield of the fresh air fan is controlled according to CO 2), and the purpose is to improve indoor heating capacity and enhance heating effect of the air conditioner.
When the outdoor temperature T outer pipe is not less than a second preset outdoor temperature T2 (T2 is more than T1) and the temperature of the air outlet is greater than a third preset outdoor temperature TC2, the four-way valve is electrified at the moment, the air conditioner is in a normal heating operation mode, and an inner main fan and a fresh air fan are also executed to simultaneously operate an air outlet mode, namely: the fresh air fan and the inner main fan are operated, but the outer fan is stopped; the purpose is to prevent high temperature and improve comfort;
when the outdoor temperature T is not less than the second preset outdoor temperature T2 (T2 is more than T1) and the temperature of the air outlet is not more than the first preset outdoor temperature TC0 (TC 0 is more than TC1 and less than TC 2), the four-way valve is electrified at the moment, and the air conditioner is in a normal heating operation mode, and an inner machine main fan and a fresh air fan are also operated in an air outlet mode at the same time, namely: the fresh air fan and the inner main fan are operated, but the outer fan is operated; can change the wind shield of new trend fan according to demand (CO 2 sensor display panel colour), improve the travelling comfort.
Wherein, the flow of changing the wind shield of the fresh air fan according to the color of the display panel of the CO2 sensor is shown in figure 3,
when the air conditioner is in operation, the CO2 concentration sensor detects the indoor CO2 concentration, and as a preferable implementation manner of the embodiment of the invention, the CO2 concentration sensor is arranged at the return air position of the indoor unit, when the CO2 concentration sensor is smaller than a first preset value M1, the display panel is green, when the CO2 concentration is larger than or equal to the first preset value M1 and not larger than a second preset value M2 (wherein M1 is smaller than M2), the display panel displays yellow, and when the CO2 concentration is larger than the second preset value M2, the display panel displays red. When the display panel is green and yellow, namely when the concentration of CO2 is not more than M2, the wind shield of the fresh air fan is reduced; when the display panel is red, namely when the concentration of CO2 is more than M2, the wind shield of the fresh air fan is improved.
It should be noted that, displaying different colors on the display panel to indicate the magnitude relation between the air quality parameter and the preset value is only an alternative implementation of the embodiment of the present invention, and may also be indicated by emitting different sounds through the buzzer.
It can be understood that, the temperature of other positions of the outdoor unit can be used as the outdoor temperature, or a new temperature sensor can be directly arranged to directly acquire the outdoor temperature. The condenser tube temperature is merely exemplified herein.
Similarly, the air quality parameter of the present application may also be PM2.5 and other parameters representing air quality. In the actual control process, if a plurality of air quality parameters are controlled simultaneously, the control is performed according to the control standard of each air quality parameter. For example, if the CO2 concentration and the PM2.5 concentration are simultaneously controlled, as long as any one of the CO2 concentration and the PM2.5 concentration reaches a preset value, the control is performed in a control manner corresponding to the one air quality parameter reaching the preset value.
According to the specific fresh air equipment control method provided by the embodiment of the invention, the outdoor temperature is compared with the first preset outdoor temperature and the second preset outdoor temperature, and the air-out temperature is compared with the first preset air-out temperature, the second preset air-out temperature and the third preset air-out temperature; and whether the fresh air fan, the inner main fan and the outer fan are operated is controlled according to the two comparison results, and whether the operation gear of the fresh air fan is controlled according to the air quality parameters is judged according to the two comparison results. When the running gear of the fresh air fan is controlled according to the air quality parameter, the running gear of the fresh air fan is controlled according to the comparison result of the air quality parameter and the first preset value and the second preset value. The operation reliability of the fresh air fan at a low outdoor temperature can be guaranteed, and the comfort of indoor air can be guaranteed.
In one embodiment, the present invention provides a fresh air device control apparatus, as shown in fig. 4, including:
the data acquisition module 41 is used for acquiring the outdoor temperature of the outdoor unit, the air outlet temperature of the indoor air outlet and the indoor air quality parameters;
as an alternative implementation manner of the embodiment of the present invention, the data obtaining module 41 obtains the tube temperature of the condenser of the outdoor unit when obtaining the outdoor temperature of the outdoor unit.
In actual control, air quality parameters include, but are not limited to: indoor C02 concentration, and/or indoor PM2.5 concentration.
Alternatively, the fresh air device includes devices having the same structure and capable of achieving similar functions, such as an air cleaner, an auxiliary electric heating device, and the like.
The fan control module 42 is used for controlling whether the main fan, the fresh air fan and the external fan of the internal machine run or not according to the outdoor temperature and the air outlet temperature; and judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature.
As an optional implementation manner of the embodiment of the present invention, controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the outdoor temperature and the air outlet temperature includes:
acquiring the magnitude relation between the outdoor temperature and the preset outdoor temperature, and acquiring the magnitude relation between the air-out temperature and the preset air-out temperature; the preset outdoor temperature comprises a first preset outdoor temperature and a second preset outdoor temperature, and the first preset outdoor temperature is smaller than the second preset outdoor temperature; the preset air outlet temperature comprises the following steps: the first preset air outlet temperature, the second preset air outlet temperature and the second preset air outlet temperature, wherein the first preset air outlet temperature is smaller than the second preset air outlet temperature, and the second preset air outlet temperature is smaller than the third preset air outlet temperature;
and controlling whether the main fan, the fresh air fan and the external fan of the internal machine run or not according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature.
Wherein, whether the main fan of the inner unit, the fresh air fan and the outer fan are operated according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises:
when the outdoor temperature is not greater than the first preset outdoor temperature, the external fan and the fresh air fan are controlled to stop running, and the main fan of the internal machine is controlled to run.
When the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the first preset air outlet temperature and not greater than the second preset air outlet temperature, the operation of the external fan and the fresh air fan is controlled, and the operation of the main fan of the internal machine is controlled to stop.
When the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the second preset air outlet temperature and not greater than the third preset air outlet temperature, the operation of the main fan, the fresh air fan and the external fan of the inner machine is controlled.
When the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is greater than the third preset air outlet temperature, the outer fan is controlled to stop running, and the fresh air fan and the inner main fan are controlled to run.
When the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is not greater than the first preset air outlet temperature, the operation of the main fan, the fresh air fan and the external fan of the internal machine is controlled.
It should be noted that, judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature includes:
when the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the second preset air outlet temperature and not greater than the third preset air outlet temperature, the operation gear of the fresh air fan is controlled according to the air quality parameters.
When the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is not greater than the first preset air outlet temperature, controlling the operation gear of the fresh air fan according to the air quality parameters.
Further, controlling the operation gear of the fresh air fan according to the air quality parameter comprises:
judging the magnitude relation between the air quality parameter and a preset value, wherein the preset value comprises a first preset value, a second preset value and a third preset value, and the first preset value is smaller than the second preset value; and controlling the running gear of the fresh air fan according to the magnitude relation between the air quality parameter and the preset value. Specifically, when the air quality parameter is smaller than a first preset value, the running gear of the fresh air fan is reduced; when the air quality parameter is not smaller than the first preset value and not larger than the second preset value, the running gear of the fresh air fan is reduced; and when the air quality parameter is larger than a second preset value, the running gear of the fresh air fan is improved.
Optionally, the method further comprises: and sending out an alarm according to the magnitude relation between the air quality parameter and the preset value. For example, the alarm is given by displaying different colors on the display panel. Specifically, when the air quality parameter is smaller than a first preset value, the display panel displays green; when the air quality parameter is not smaller than the first preset value and not larger than the second preset value, the display panel displays yellow; and when the air quality parameter is larger than a second preset value, the display panel displays red.
The embodiment of the invention provides a fresh air equipment control device, which is characterized by comprising a data acquisition module, a control module and a control module, wherein the data acquisition module is used for acquiring outdoor temperature of an outdoor unit, air outlet temperature of an indoor air outlet and indoor air quality parameters; and the fan control module is used for controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the outdoor temperature and the air outlet temperature and judging whether the operation gear of the fresh air fan is controlled according to the air quality parameters according to the outdoor temperature and the air outlet temperature. The indoor air quality is guaranteed to be good, the indoor air temperature is guaranteed to be proper, and a comfortable environment is provided for the indoor space.
In one embodiment, the present invention further provides a fresh air device, as shown in fig. 5, including:
a processor 51; the method comprises the steps of,
a memory 52 for storing the processor-executable instructions;
the processor is configured to perform the control method provided in the above-described embodiments. The fresh air equipment is a fresh air conditioner, and an indoor unit of the air conditioner comprises: the indoor unit comprises an indoor unit shell and a fresh air module, wherein an evaporator, an indoor unit main fan and return air blades are arranged in the indoor unit shell; fresh air module, fresh air module are located the return air department of indoor set casing and contain: fresh air fan, fresh air fan blade, indoor set filter screen, fresh air intake, fresh air inlet pipe will be located outdoor fresh air and introduce indoor, clean indoor air through the fresh air module. The above structure is a configuration that can be set by those skilled in the art according to practical circumstances, and will not be described in detail herein. The processor of the fresh air equipment controls the running conditions of the main fan, the fresh air fan and the external fan of the internal machine in the air conditioner according to the outdoor temperature, the air outlet temperature and the air quality parameters. The indoor air quality is guaranteed to be good, the indoor air temperature is guaranteed to be proper, and a comfortable environment is provided for the indoor space.
It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.
It should be noted that in the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present application, unless otherwise indicated, the meaning of "plurality" means at least two.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
It is to be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (15)

1. The fresh air equipment control method is characterized by comprising the following steps of:
acquiring the outdoor temperature of the outdoor unit, the air outlet temperature of the indoor air outlet and the indoor air quality parameters;
controlling whether an inner unit main fan, a fresh air fan and an outer fan operate according to the outdoor temperature and the air outlet temperature; judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature;
the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the outdoor temperature and the air outlet temperature comprises the following steps:
acquiring the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air-out temperature and the preset air-out temperature; the preset outdoor temperature comprises a first preset outdoor temperature and a second preset outdoor temperature, and the first preset outdoor temperature is smaller than the second preset outdoor temperature; the preset air outlet temperature comprises: the first preset air outlet temperature, the second preset air outlet temperature and the third preset air outlet temperature, wherein the first preset air outlet temperature is smaller than the second preset air outlet temperature, and the second preset air outlet temperature is smaller than the third preset air outlet temperature;
controlling whether an inner main fan, a fresh air fan and an outer fan operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature;
the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises the following steps:
when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is greater than the third preset air outlet temperature, controlling the outer fan to stop running, and controlling the fresh air fan and the inner main fan to run;
judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature comprises the following steps:
when the outdoor temperature is not less than a second preset outdoor temperature, the air outlet temperature is greater than a second preset air outlet temperature and not greater than a third preset air outlet temperature, controlling the running gear of the fresh air fan according to the air quality parameter;
and when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is not greater than the first preset air outlet temperature, controlling the running gear of the fresh air fan according to the air quality parameter.
2. The method according to claim 1, characterized in that: the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises the following steps:
and when the outdoor temperature is not greater than the first preset outdoor temperature, controlling the external fan and the fresh air fan to stop running, and controlling the internal unit main fan to run.
3. The method according to claim 1, characterized in that: the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises the following steps:
when the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the first preset air outlet temperature and not greater than the second preset air outlet temperature, the operation of the outer fan and the fresh air fan is controlled, and the operation of the main fan of the inner machine is controlled to stop.
4. The method according to claim 1, characterized in that: the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises the following steps:
and when the outdoor temperature is not less than the second preset outdoor temperature, the air outlet temperature is greater than the second preset air outlet temperature and not greater than the third preset air outlet temperature, controlling the operation of the main fan, the fresh air fan and the external fan of the inner unit.
5. The method according to claim 1, characterized in that: the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises the following steps:
when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is not greater than the first preset air outlet temperature, the operation of the main fan, the fresh air fan and the external fan of the internal machine is controlled.
6. The method according to claim 1, characterized in that: the controlling the operation gear of the fresh air fan according to the air quality parameter comprises the following steps:
judging the magnitude relation between the air quality parameter and a preset value, wherein the preset value comprises a first preset value, a second preset value and a third preset value, and the first preset value is smaller than the second preset value;
and controlling the running gear of the fresh air fan according to the magnitude relation between the air quality parameter and the preset value.
7. The method according to claim 6, wherein: the controlling the operation gear of the fresh air fan according to the magnitude relation between the air quality parameter and the preset value comprises the following steps:
when the air quality parameter is smaller than a first preset value, reducing the running gear of the fresh air fan;
when the air quality parameter is not smaller than a first preset value and not larger than a second preset value, reducing the running gear of the fresh air fan;
and when the air quality parameter is larger than a second preset value, the running gear of the fresh air fan is improved.
8. The method as recited in claim 6, further comprising: and sending out an alarm according to the magnitude relation between the air quality parameter and the preset value.
9. The method according to claim 8, wherein: the alarm is sent out in a mode that the display panel displays different colors.
10. The method according to claim 9, wherein: the method for sending out the alarm by adopting the display panel to display different colors comprises the following steps:
when the air quality parameter is smaller than a first preset value, the display panel displays green;
when the air quality parameter is not smaller than a first preset value and not larger than a second preset value, the display panel displays yellow;
and when the air quality parameter is larger than a second preset value, the display panel displays red.
11. The method according to any one of claims 1-10, wherein: the step of obtaining the outdoor temperature of the outdoor unit comprises the following steps:
and obtaining the tube temperature of the condenser of the outdoor unit.
12. The method according to any one of claims 1-10, wherein: the acquiring the indoor air quality parameter includes acquiring an indoor C02 concentration, and/or a PM2.5 concentration.
13. The method according to any one of claims 1-10, wherein: the fresh air equipment comprises any one of the following equipment: fresh air conditioner and air purifier.
14. Fresh air equipment controlling means, characterized by, include:
the data acquisition module is used for acquiring the outdoor temperature of the outdoor unit, the air outlet temperature of the indoor air outlet and the indoor air quality parameters;
the fan control module is used for controlling whether the main fan, the fresh air fan and the external fan of the internal machine run or not according to the outdoor temperature and the air outlet temperature; judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature; the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the outdoor temperature and the air outlet temperature comprises the following steps: acquiring the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air-out temperature and the preset air-out temperature; the preset outdoor temperature comprises a first preset outdoor temperature and a second preset outdoor temperature, and the first preset outdoor temperature is smaller than the second preset outdoor temperature; the preset air outlet temperature comprises: the first preset air outlet temperature, the second preset air outlet temperature and the third preset air outlet temperature, wherein the first preset air outlet temperature is smaller than the second preset air outlet temperature, and the second preset air outlet temperature is smaller than the third preset air outlet temperature; controlling whether an inner main fan, a fresh air fan and an outer fan operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature;
the controlling whether the main fan, the fresh air fan and the external fan of the internal machine operate according to the magnitude relation between the outdoor temperature and the preset outdoor temperature and the magnitude relation between the air outlet temperature and the preset air outlet temperature comprises the following steps: when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is greater than the third preset air outlet temperature, controlling the outer fan to stop running, and controlling the fresh air fan and the inner main fan to run;
judging whether to control the operation gear of the fresh air fan according to the air quality parameter according to the outdoor temperature and the air outlet temperature comprises the following steps: when the outdoor temperature is not less than a second preset outdoor temperature, the air outlet temperature is greater than a second preset air outlet temperature and not greater than a third preset air outlet temperature, controlling the running gear of the fresh air fan according to the air quality parameter; and when the outdoor temperature is not less than the second preset outdoor temperature and the air outlet temperature is not greater than the first preset air outlet temperature, controlling the running gear of the fresh air fan according to the air quality parameter.
15. A fresh air device, comprising:
a processor; the method comprises the steps of,
a memory for storing the processor-executable instructions;
the processor is configured to perform the method of claim 1.
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