CN108679791B - Air conditioner and purification combined operation control method and control system - Google Patents

Air conditioner and purification combined operation control method and control system Download PDF

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CN108679791B
CN108679791B CN201810337838.8A CN201810337838A CN108679791B CN 108679791 B CN108679791 B CN 108679791B CN 201810337838 A CN201810337838 A CN 201810337838A CN 108679791 B CN108679791 B CN 108679791B
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air
fan
gear
purification
mode
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CN108679791A (en
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周鹏飞
郭芸俊
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Beijing Jinghai Technology Co ltd
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Beijing Jinghai Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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

Abstract

The application relates to an air conditioner and purification combined operation control method and a control system, wherein the control method is applied to an air conditioner product with an air duct shared by an air conditioner module and a purification module, and comprises the following steps: collecting indoor temperature and particulate matter concentration; respectively judging whether the indoor temperature meets a preset temperature value or not and whether the particulate matter concentration meets a preset particulate matter concentration value or not; if the indoor temperature does not meet the preset temperature value and the concentration of the particulate matters meets the preset concentration of the particulate matters, executing the working condition of the air conditioner; if the indoor temperature meets the preset temperature value and the concentration of the particulate matters does not meet the preset concentration of the particulate matters, executing a purification working condition; if the indoor temperature does not meet the preset temperature value and the particulate matter concentration does not meet the preset particulate matter concentration value, executing the air conditioning and purification combined working condition; when the air conditioning and purification combined working condition is executed, the priority of an air conditioning mode and the priority of a purification mode are judged; and determining the gear corresponding to the air quantity of the fan according to the priority. This application can be adjusted suitable cleanliness factor and temperature with the room.

Description

Air conditioner and purification combined operation control method and control system
Technical Field
The application belongs to the technical field of air conditioner control, and particularly relates to an air conditioner and purification combined operation control method and a control system.
Background
The air conditioner of present air-purifying unification adopts air conditioning module and purification module mutually independent modular design, does not influence each other between air conditioning module and the purification module like this. However, in this modular design, the air conditioning modules are located above the purification modules, each using a separate blower, each with a separate supply and return air inlet. The position of the purification module determines that the air supply outlet and the air return inlet are both arranged on the lower half part of the air conditioner, so that the effect of room purification can be greatly influenced, and the requirement of whole room purification cannot be met.
In order to meet the requirement of whole-house purification, a mode of jointly operating an air duct shared by the air conditioning module and the purification module can be adopted. When air conditioning module and purification module shared the wind channel, air conditioning module and purification module shared the air outlet, and such setting can optimize the air current tissue, reaches the purpose that the whole house purifies. However, because the internal resistance of the system is different between the air conditioning working condition and the purification working condition, the purpose of adjusting the room temperature cannot be achieved by carrying out the same control on the rotating speed of the fan under different working conditions.
Disclosure of Invention
To overcome at least some of the problems of the related art, the present application provides a control method and a control system for combined air conditioning and purification operation.
According to a first aspect of the embodiments of the present application, the present application provides an air conditioning and purification combined operation control method, which is applied to an air conditioning product with an air duct shared by an air conditioning module and a purification module, and includes the following steps:
collecting indoor temperature and particulate matter concentration;
respectively judging whether the indoor temperature meets a preset temperature value or not and whether the particulate matter concentration meets a preset particulate matter concentration value or not;
if the indoor temperature does not meet the preset temperature value and the concentration of the particulate matters meets the preset concentration of the particulate matters, executing the working condition of the air conditioner; if the indoor temperature meets the preset temperature value and the concentration of the particulate matters does not meet the preset concentration of the particulate matters, executing a purification working condition; if the indoor temperature does not meet the preset temperature value and the particulate matter concentration does not meet the preset particulate matter concentration value, executing the air conditioning and purification combined working condition;
when the working condition of the air conditioner is executed, the bypass valve is controlled to be opened, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analysis in the air conditioning mode; when the purification working condition is executed, the bypass valve is controlled to be closed, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analysis in the purification mode; when the air conditioning and purification combined working condition is executed, the priority of an air conditioning mode and the priority of a purification mode are judged; if the air volume obtained by analysis in the air-conditioning mode is larger than the air volume obtained by analysis in the purification mode, the air-conditioning mode takes precedence, otherwise, the purification mode takes precedence; if the priority of the air-conditioning mode is higher than that of the purification mode, whether the air volume obtained by analysis under the air-conditioning module is larger than that of the maximum gear under the purification mode is further judged; if so, executing the working condition of the air conditioner; otherwise, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analyzing in the air conditioning mode and corresponding to the fan gear corresponding to the air quantity in the purification mode; and if the priority of the purification working condition is higher than that of the air conditioner working condition, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analysis in the purification mode and corresponding to the fan gear in the mode.
Further, the operation of the fan gear according to the gear corresponding to the air volume obtained by analyzing in the air-conditioning mode specifically comprises the following steps:
in the air-conditioning mode, the gears of the fans respectively correspond to the rotating speeds of the first group of fans, different rotating speeds correspond to different air supply quantities, and the lowest gear and the highest gear of the fans under an automatic working condition are set;
determining the gear of a fan during initial startup according to the difference between the collected indoor temperature and the temperature preset value, wherein different difference intervals correspond to different initial gears of the fan;
and determining the upshifting or downshifting of the fan at the current gear according to the variation of the indoor temperature in the set time period.
Further, the determining that the fan is shifted up or down at the current gear according to the variation of the indoor temperature within the set time period includes:
in the refrigeration working condition, if the difference value between the temperature at the previous moment and the temperature at the current moment in a set time period is a positive value and is greater than a first preset value, the fan downshifts until the difference value is reduced to a set lowest gear; if the difference value between the temperature at the last moment and the temperature at the current moment in the set time period is a non-positive value or a positive value and is smaller than a second preset value, the fan is shifted up until the fan is shifted up to the set highest gear; if the difference value between the temperature at the previous moment and the temperature at the current moment in the set time period is between a second preset value and a first preset value, the fan keeps the original gear to operate; the first preset value is larger than the second preset value;
in the heating condition, if the difference value between the temperature at the current moment and the temperature at the previous moment in a set time period is a positive value and is greater than a third preset value, the fan downshifts until the difference value is reduced to a set lowest gear; if the difference value between the temperature at the current moment and the temperature at the previous moment in the set time period is a non-positive value or a positive value and is smaller than a fourth preset value, the fan is shifted up until the fan is shifted up to the set highest gear; if the difference value between the temperature at the current moment and the temperature at the previous moment in the set time period is between the fourth preset value and the third preset value, the fan keeps the original gear to operate; the third preset value is greater than the fourth preset value.
Further, the operation of the indoor fan according to the gear corresponding to the air volume obtained by analysis in the purification mode specifically comprises the following steps:
in the purification mode, the gear of each fan corresponds to the rotating speed of a second group of fans respectively, different rotating speeds correspond to different air supply quantities, and the lowest gear and the highest gear of each fan under an automatic working condition are set;
determining the gear of the fan during initial startup according to the difference between the collected particulate matter concentration and the particulate matter concentration preset value, wherein different difference intervals correspond to different initial gears of the fan;
and determining whether the fan is upshifted or downshifted at the current gear according to the variation of the particulate matter concentration in the set time period.
Further, the determining that the fan is shifted up or down in the current gear according to the variation of the particulate matter concentration in the set time period comprises: if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is a positive value and is greater than a fifth preset value, the fan downshifts until the difference value is reduced to a set lowest gear; if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is a non-positive value or a positive value and is smaller than a sixth preset value, the fan is shifted up until the fan is shifted up to the set highest gear; if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is between a sixth preset value and a fifth preset value, the fan keeps the original gear to operate; the fifth preset value is greater than the sixth preset value.
Further, the air conditioning and purification combined operation control method further comprises the following steps:
and judging whether the compressor is in variable frequency control or fixed frequency control, if the compressor is in fixed frequency control, performing start-stop control on the compressor, and if the compressor is in variable frequency control, performing variable frequency control on the compressor and performing opening control on the electronic expansion valve.
Furthermore, when the air conditioning and purification combined working condition is executed and the priority of the air conditioning mode is higher than that of the purification mode, if the compressor adopts a fixed-frequency compressor, the indoor temperature is adjusted in the following way: the method comprises the steps of supplying air by using the air quantity obtained by analysis in an air-conditioning mode, specifically, operating by using the air quantity obtained by analysis in the air-conditioning mode to correspond to a fan gear corresponding to the air quantity in a purification mode, and adjusting a compressor by adopting a start-stop mode; the specific implementation process comprises the following steps: setting a lowest gear under an automatic operation condition, firstly adjusting the gear of a fan, controlling the start and stop of the compressor when the indoor temperature reaches a preset temperature value and the gear of the fan is reduced to the set lowest gear, closing the compressor at the moment, and otherwise, starting the compressor;
if the compressor adopts a variable frequency compressor and an electronic expansion valve, the indoor temperature is regulated in the following mode: the method comprises the steps of supplying air by using the air quantity obtained by analysis in an air conditioning mode, specifically, operating the air quantity obtained by analysis in the air conditioning mode corresponding to a fan gear corresponding to the air quantity in a purification mode, setting a lowest gear under an automatic operation working condition, firstly adjusting the gear of the fan, adjusting the volume flow of a refrigerator in unit time by adopting frequency conversion control through a compressor when the indoor temperature reaches a preset temperature value and the gear of the fan is also reduced to the set lowest gear, and controlling the opening degree of an electronic expansion valve to control the throttling pressure behind the electronic expansion valve so as to control the evaporation temperature of a refrigerant.
Under the condition that the air-conditioning mode is preferred, after the gear of the fan is reduced to the set lowest gear, when the concentration of particulate matters is not reduced to a preset value within a set time period, the purification mode is automatically switched to be preferred.
Furthermore, when the air conditioning and purification combined working condition is executed and the purification mode has higher priority than the air conditioning mode, if the compressor adopts a fixed-frequency compressor, the indoor temperature is adjusted in the following way: the method comprises the steps of supplying air by using the air quantity obtained by analysis in a purification mode, specifically, operating the air quantity obtained by analysis in the purification mode corresponding to a fan gear in the mode, setting a lowest gear under an automatic operation working condition, adjusting the gear of the fan, and adjusting by using a compressor starting and stopping mode when the indoor temperature reaches a preset temperature value and the gear of the fan is also reduced to the set lowest gear; if the compressor adopts a variable frequency compressor and an electronic expansion valve, the indoor temperature is regulated in the following mode: the method comprises the steps of supplying air by using the air quantity obtained by analysis in a purification mode, specifically, operating by using the air quantity obtained by analysis in the purification mode corresponding to a fan gear in the purification mode, setting a lowest gear under an automatic operation working condition, adjusting the gear of the fan, adjusting the volume flow of a refrigerator in unit time by adopting frequency conversion control when the indoor temperature reaches a preset temperature value and the gear of the fan is also reduced to the set lowest gear, and controlling the opening degree of an electronic expansion valve to control the throttling pressure behind the electronic expansion valve so as to control the evaporation temperature of a refrigerant.
Under the condition that the purification mode is preferred, after the gear of the fan is reduced to the set lowest gear, and the temperature in the chamber is not reduced to the preset value in the set time period, the air-conditioning mode is automatically switched to be preferred.
According to a second aspect of the embodiments of the present application, there is also provided an air conditioning and purification combined operation control system, which is applied to an air conditioning product in which an air conditioning module and a purification module share an air duct, and includes a temperature sensor, a particulate matter sensor, a bypass valve, and a controller; the temperature sensor, the particulate matter sensor and the bypass valve are all connected with the controller; the temperature sensor is used for collecting indoor temperature and sending the collected indoor temperature to the controller; the particle sensor is used for collecting the concentration of indoor particles and sending the collected concentration of the indoor particles to the controller; the controller controls the opening and closing of the bypass valve, and the bypass valve is used for switching the working condition of an air conditioner or the working condition of purification;
the controller comprises a judging module, a working condition selecting module and a fan gear control module;
the judging module is used for respectively judging whether the indoor temperature meets a preset temperature value or not and whether the particulate matter concentration meets a preset particulate matter concentration value or not;
the working condition selection module is used for selecting corresponding working conditions according to the judgment result, and comprises the following steps:
if the indoor temperature does not meet the preset temperature value and the concentration of the particulate matters meets the preset particulate matter concentration value, selecting to execute the working condition of the air conditioner; if the indoor temperature meets a preset temperature value and the concentration of the particulate matters does not meet a preset particulate matter concentration value, selecting to execute a purification working condition; and if the indoor temperature does not meet the preset temperature value and the particulate matter concentration does not meet the preset particulate matter concentration value, selecting to execute the air conditioning and purification combined working condition.
The fan gear control module is used for obtaining the running gear of the fan according to different working conditions, and the fan gear control module is configured to:
when the working condition of the air conditioner is executed, the bypass valve is controlled to be opened, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analysis in the air conditioning mode; when the purification working condition is executed, the bypass valve is controlled to be closed, and the fan gear operates according to the gear corresponding to the air quantity obtained by analysis in the purification mode; when the air conditioning and purification combined working condition is executed, the priority of an air conditioning mode and the priority of a purification mode are judged; if the air volume obtained by analysis in the air-conditioning mode is larger than the air volume obtained by analysis in the purification mode, the air-conditioning mode takes precedence, otherwise, the purification mode takes precedence; if the priority of the air-conditioning mode is higher than that of the purification mode, whether the air volume obtained by analysis under the air-conditioning module is larger than that of the maximum gear under the purification mode is further judged; if so, executing the working condition of the air conditioner; otherwise, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analyzing in the air conditioning mode and corresponding to the fan gear corresponding to the air quantity in the purification mode; and if the priority of the purification working condition is higher than that of the air conditioner working condition, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analysis in the purification mode and corresponding to the fan gear in the mode.
The control system further comprises a compressor control module, wherein the compressor control module is used for judging whether the compressor adopts a variable frequency compressor and an electronic expansion valve or a fixed frequency compressor, and for the fixed frequency compressor, the start and stop of the compressor are controlled; for the variable-frequency compressor, the variable-frequency control of the compressor and the opening control of the electronic expansion valve are adopted.
The technical scheme provided by the embodiment of the application can have the following beneficial effects: this application distinguishes the operating mode of the air conditioner product in air duct is shared to air conditioner module and purification module according to indoor temperature, particulate matter concentration, temperature preset value and particulate matter concentration preset value to the rotational speed of fan is controlled to the operating mode of difference, can reach the purpose of adjusting the room temperature to suitable temperature under the condition of guaranteeing indoor cleanliness.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a flowchart illustrating a combined air conditioning and decontamination operation control method according to an exemplary embodiment.
Fig. 2 is a schematic structural diagram illustrating a combined air conditioning and purification operation control system according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The inventor of the application finds that in the use process of an air conditioner product with an air duct shared by an air conditioner module and a purification module, although the air conditioner module and the purification module share an air outlet, the air flow organization can be optimized, and the purpose of whole-house purification is achieved, the rotating speeds of fans under different working conditions need to be controlled respectively due to different internal resistances of the system under the air conditioner working condition and the purification working condition, and the purpose of adjusting the room temperature is achieved.
The air conditioning and purification combined operation control method is applied to air conditioning products with air ducts shared by air conditioning modules and purification modules. The air return inlet of the air conditioning module is provided with an electric valve, and the air return inlet of the purification working condition is provided with a filtering unit. The switching between the air conditioning working condition and the purification working condition is realized by controlling the opening or closing of the electric valve and the resistance of the filter unit. The electric valve is controlled to be opened, the filter unit is bypassed, and return air does not pass through the filter unit, so that the working condition of the air conditioner is realized; the electric valve is controlled to be closed, return air passes through the filtering unit and is sent into a room through the air supply opening after being filtered by the filtering unit, and the purification working condition is realized. The air conditioning module and the purification module share one fan, and the fan adopts a variable speed fan so as to meet the requirements of different operation modes on air volume. The motor in the fan adopts an EC motor (direct current brushless variable frequency motor) or a DC motor (direct current variable frequency motor), and can carry out stepless speed regulation.
Fig. 1 is a flowchart illustrating a combined air conditioning and decontamination operation control method according to an exemplary embodiment. As shown in fig. 1, the air conditioning and purifying combined operation control method of the present application is applied to an air conditioning product in which an air conditioning module and a purifying module share an air duct, and includes the following steps:
and S1, collecting the indoor temperature and the particulate matter concentration.
S2, respectively judging whether the indoor temperature meets a preset temperature value or not and whether the particulate matter concentration meets a preset particulate matter concentration value or not.
And S3, if the indoor temperature does not meet the preset temperature value and the particulate matter concentration meets the preset particulate matter concentration value, executing the air conditioning working condition.
And if the indoor temperature meets the preset temperature value and the particulate matter concentration does not meet the preset particulate matter concentration value, executing the purification working condition.
And if the indoor temperature does not meet the temperature preset value and the particulate matter concentration does not meet the particulate matter concentration preset value, executing air conditioning and purification combined working conditions.
And S4, when the working condition of the air conditioner is executed, the bypass valve is controlled to be opened, and the indoor fan operates according to the gear corresponding to the air volume obtained by analyzing in the air conditioning mode.
And when the purification working condition is executed, the bypass valve is controlled to be closed, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analysis in the purification mode.
When the air conditioning and purification combined working condition is executed, the priority of an air conditioning mode and the priority of a purification mode are judged;
if the air volume obtained by analysis in the air-conditioning mode is larger than the air volume obtained by analysis in the purification mode, the air-conditioning mode takes precedence, otherwise, the purification mode takes precedence.
If the priority of the air-conditioning mode is higher than that of the purification mode, whether the air volume obtained by analysis under the air-conditioning module is larger than that of the maximum gear under the purification mode is further judged; if so, executing the working condition of the air conditioner; otherwise, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analyzing in the air conditioning mode and the fan gear corresponding to the air quantity in the purification mode.
And if the priority of the purification working condition is higher than that of the air conditioner working condition, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analysis in the purification mode and corresponding to the fan gear in the mode.
According to the air conditioning and purification combined operation control method, working conditions of air conditioning products of an air duct shared by an air conditioning module and a purification module are distinguished according to indoor temperature, particulate matter concentration, a temperature preset value and a particulate matter concentration preset value, the rotating speed of a fan is controlled according to different working conditions, and the purpose of ensuring that indoor cleanliness and room temperature are properly adjusted can be achieved.
In the step S4, the operation of the indoor fan according to the gear corresponding to the air volume analyzed in the air-conditioning mode specifically includes the following steps:
1) the gears of the fans respectively correspond to the rotating speeds of the first group of fans in the air conditioning mode, different rotating speeds correspond to different air supply quantities, and the lowest gear and the highest gear of the fans under an automatic working condition are set.
2) And determining the gear of the fan during initial startup according to the difference between the collected indoor temperature and the temperature preset value, wherein different difference intervals correspond to different initial gears of the fan.
3) And determining the upshifting or downshifting of the fan at the current gear according to the variation of the indoor temperature in the set time period.
In the refrigeration working condition, if the difference value between the temperature at the previous moment and the temperature at the current moment in a set time period is a positive value and is greater than a first preset value, the fan downshifts until the temperature is reduced to a set lowest gear; if the difference value between the temperature at the previous moment and the temperature at the current moment in the set time period is a non-positive value or a positive value and is smaller than a second preset value, the fan is shifted up until the fan is shifted up to a set highest gear; and if the difference value between the temperature at the last moment and the temperature at the current moment in the set time period is between the second preset value and the first preset value, the fan keeps the original gear to operate. Wherein the first preset value is larger than the second preset value.
In the heating condition, if the difference value between the temperature at the current moment and the temperature at the previous moment in a set time period is a positive value and is greater than a third preset value, the fan downshifts until the temperature is reduced to a set lowest gear; if the difference value between the temperature at the current moment and the temperature at the previous moment in the set time period is a non-positive value or a positive value and is smaller than a fourth preset value, the fan is shifted up until the fan is shifted up to a set highest gear; and if the difference value between the temperature at the current moment and the temperature at the previous moment in the set time period is between the fourth preset value and the third preset value, the fan keeps the original gear to operate. Wherein the third preset value is greater than the fourth preset value.
According to the air conditioning and purifying combined operation control method, when the gear of the fan operates according to the gear corresponding to the air volume obtained by analysis in the air conditioning mode, the gear of the fan during initial startup is determined according to the difference value between the indoor temperature and the preset temperature value, and then the gear of the fan is determined to be shifted up or shifted down at the current gear according to the variation of the indoor temperature in the set time period, so that the air volume corresponding to the gear of the fan in the air conditioning mode can be obtained, the rotating speed of each gear is set, and the optimal temperature adjusting effect can be achieved under the condition of sharing the air channel.
In step S4, the operation of the indoor fan according to the gear corresponding to the air volume analyzed in the purification mode specifically includes the following steps:
1) the gears of the fans respectively correspond to the rotating speeds of the second group of fans in the purification mode, different rotating speeds correspond to different air supply quantities, and the lowest gear and the highest gear of the fans under an automatic working condition are set.
2) And determining the gear of the fan during initial startup according to the difference between the collected particulate matter concentration and the particulate matter concentration preset value, wherein different difference intervals correspond to different initial gears of the fan.
3) And determining whether the fan is upshifted or downshifted at the current gear according to the variation of the particulate matter concentration in the set time period.
If the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is a positive value and is greater than a fifth preset value, the fan downshifts until the difference value is reduced to a set lowest gear; if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is a non-positive value or a positive value and is smaller than a sixth preset value, the fan is shifted up until the fan is shifted up to the set highest gear; and if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is between the sixth preset value and the fifth preset value, the fan keeps the original gear to operate. Wherein the fifth preset value is greater than the sixth preset value.
And the rotating speeds of the second group of fans corresponding to the fan gears in the purification mode are different from the rotating speeds of the first group of fans corresponding to the fan gears in the air-conditioning module mode.
According to the air-conditioning and purifying combined operation control method, when the gears of the fan operate according to the gears obtained by analysis in the purifying mode, the gears of the fan during initial starting are determined according to the difference value between the particulate matter concentration and the particulate matter concentration preset value, and then the fan is determined to be shifted up or shifted down at the current gears according to the variation of the particulate matter concentration in the set time period, so that the air quantity corresponding to the gears of the fan in the purifying mode can be obtained, the rotating speed of each gear is set, and the optimal purifying effect can be achieved under the condition that the air channel is shared.
The air-conditioning and purifying combined operation control method further comprises the following steps:
and S5, judging whether the compressor is in variable frequency control or fixed frequency control, if the compressor is in fixed frequency control, performing start-stop control on the compressor, and if the compressor is in variable frequency control, performing variable frequency control on the compressor and performing opening control on the electronic expansion valve.
When the working condition of the air conditioner is executed, the bypass valve is controlled to be opened, and after the indoor fan operates according to the gear corresponding to the air volume obtained by analyzing in the air conditioning mode, the step S5 is carried out, and whether the compressor is in variable frequency control or fixed frequency control is judged.
When the air conditioning and purification combined working condition is executed, if the priority of the air conditioning mode is higher than that of the purification mode, the indoor fan operates according to the air quantity obtained by analysis in the air conditioning mode and corresponding to the fan gear corresponding to the air quantity in the purification mode, and then the step S5 is entered, and whether the compressor is in variable frequency control or fixed frequency control is judged.
When the air conditioning and purification combined working condition is executed, if the priority of the purification mode is higher than that of the air conditioning mode, the bypass valve is controlled to be closed, and after the indoor fan operates according to the air volume obtained by analysis in the purification mode and corresponding to the fan gear in the mode, the step S5 is entered, and whether the compressor is in variable frequency control or fixed frequency control is judged.
Specifically, in step S5, when the air conditioning and purification combined operation mode is executed and the priority of the air conditioning mode is higher than that of the purification mode, if the compressor is a fixed-frequency compressor, the indoor temperature is adjusted by: the method comprises the steps of supplying air by using air quantity obtained by analysis in an air conditioning mode, specifically, running by using the air quantity obtained by analysis in a purification mode corresponding to a fan gear in the mode, and adjusting a compressor by adopting a start-stop mode; the specific implementation process comprises the following steps: and setting a lowest gear under the automatic operation working condition, preferentially adjusting the gear of the fan, controlling the start and stop of the compressor when the indoor temperature reaches a preset temperature value and the gear of the fan is also reduced to the set lowest gear, closing the compressor at the moment, and otherwise, opening the compressor.
If the compressor adopts a variable frequency compressor and an electronic expansion valve, the indoor temperature is regulated in the following mode: the method comprises the steps of feeding air by using the air quantity obtained by analysis in an air conditioning mode, specifically, running by using the air quantity obtained by analysis in the air conditioning mode to correspond to a fan gear corresponding to the air quantity in a purification mode; the compressor adopts frequency conversion control, adjusts the volume flow of the refrigerator in unit time, and simultaneously controls the opening degree of the electronic expansion valve to control the throttling pressure behind the electronic expansion valve so as to control the evaporation temperature of the refrigerant; the specific implementation process comprises the following steps:
setting a highest gear and a lowest gear as well as a lowest frequency and a highest frequency of the work of a compressor under an automatic operation working condition, and preferentially adjusting the gear of the fan; when the indoor temperature reaches a preset temperature value and the gear of the fan is reduced to a set lowest gear, the working frequency of the compressor is adjusted, the frequency of the compressor is reduced, and otherwise, the frequency of the compressor is increased.
When the indoor temperature does not reach the preset temperature value and the gear of the fan is increased to the set highest gear, the working frequency of the compressor is adjusted, the frequency of the compressor is increased, and otherwise, the frequency is decreased.
Meanwhile, the electronic expansion valve adjusts the opening degree of the electronic expansion valve along with the flow according to the flow of the refrigerant corresponding to the working frequency of the compressor so as to control the evaporation pressure of the refrigerant behind the electronic expansion valve.
Specifically, in step S5, when the air conditioning and purification combined operation mode is executed and the purification mode has a higher priority than the air conditioning mode, if the compressor is a fixed-frequency compressor, the indoor temperature is adjusted by: the method comprises the steps of feeding air with the air quantity obtained by analysis in a purification mode, specifically, running the air quantity obtained by analysis in the purification mode corresponding to a fan gear in the mode, and adjusting by adopting a compressor starting and stopping mode; if the compressor adopts a variable frequency compressor and an electronic expansion valve, the indoor temperature is regulated in the following mode: the air quantity obtained by analysis in the purification mode is used for air supply, specifically, the air quantity obtained by analysis in the purification mode is used for running corresponding to a fan gear in the mode, the compressor adopts frequency conversion control to adjust the volume flow of the refrigerating machine in unit time, and simultaneously, the opening degree of the electronic expansion valve is controlled to control the throttling pressure behind the electronic expansion valve, so that the evaporation temperature of the refrigerant is controlled.
According to the air conditioning and purification combined operation control method, the compressor is judged to be in fixed frequency control or variable frequency control, different indoor temperature adjusting modes are adopted for the fixed frequency control and the variable frequency control respectively, and the room temperature can be adjusted to a proper temperature under the condition that the indoor cleanliness is guaranteed.
Fig. 2 is a schematic structural diagram illustrating a combined air conditioning and purification operation control system according to an exemplary embodiment. As shown in fig. 2, the present application can also provide an air conditioning and purification combined operation control system including a temperature sensor 1, a particulate matter sensor 2, a bypass valve 3, and a controller 4. Wherein, the temperature sensor 1, the particulate matter sensor 2 and the bypass valve 3 are all connected with the controller 4. The temperature sensor 1 is used for collecting indoor temperature and sending the collected indoor temperature to the controller 4; the particulate matter sensor 2 is used for collecting the concentration of indoor particulate matter and sending the collected concentration of the indoor particulate matter to the controller 4. The controller 4 controls the opening and closing of the bypass valve 3, and the bypass valve 3 is used for switching the working condition of the air conditioner or the purification working condition;
the controller 4 includes a determination module 41, a condition selection module 42, and a fan gear control module 43, wherein,
and the judging module 41 is configured to respectively judge whether the indoor temperature meets a preset temperature value and whether the particulate matter concentration meets a preset particulate matter concentration value.
And a working condition selection module 42, configured to select a corresponding working condition according to the determination result, specifically,
if the indoor temperature does not meet the preset temperature value and the concentration of the particulate matters meets the preset particulate matter concentration value, selecting to execute the working condition of the air conditioner; if the indoor temperature meets a preset temperature value and the concentration of the particulate matters does not meet a preset particulate matter concentration value, selecting to execute a purification working condition; and if the indoor temperature does not meet the preset temperature value and the particulate matter concentration does not meet the preset particulate matter concentration value, selecting to execute the air conditioning and purification combined working condition.
And the fan gear control module 43 is used for obtaining the running gear of the fan according to different working conditions. Specifically, the fan gear control module 43 may be configured to:
when the working condition of the air conditioner is executed, the bypass valve is controlled to be opened, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analyzing in the air conditioning mode.
And when the purification working condition is executed, the bypass valve is controlled to be closed, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analysis in the purification mode.
When the air conditioning and purification combined working condition is executed, the priority of an air conditioning mode and the priority of a purification mode are judged;
if the air volume obtained by analysis in the air-conditioning mode is larger than the air volume obtained by analysis in the purification mode, the air-conditioning mode takes precedence, otherwise, the purification mode takes precedence;
if the priority of the air-conditioning mode is higher than that of the purification mode, whether the air volume obtained by analysis under the air-conditioning module is larger than that of the maximum gear under the purification mode is further judged; if so, executing the working condition of the air conditioner; otherwise, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analyzing in the air conditioning mode and the fan gear corresponding to the air quantity in the purification mode.
And if the priority of the purification working condition is higher than that of the air conditioner working condition, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analysis in the purification mode and corresponding to the fan gear in the mode.
In this embodiment, according to indoor temperature, particulate matter concentration, temperature preset value and particulate matter concentration preset value, distinguish the operating mode of the air conditioner product in air duct is shared to air conditioning module and purification module to the rotational speed of fan is controlled to different operating modes, can reach the purpose of adjusting the room temperature to suitable temperature under the condition of guaranteeing indoor cleanliness.
In some embodiments, the controller 4 further includes a compressor control module 44, where the compressor control module 44 is configured to determine whether the compressor is a variable frequency compressor and an electronic expansion valve or a fixed frequency compressor, and for the fixed frequency compressor, start and stop control of the compressor is performed; for the variable frequency compressor, the variable frequency control of the compressor and the opening control of the electronic expansion valve are adopted, different indoor temperature adjusting modes are respectively adopted for the fixed frequency compressor and the variable frequency compressor, and the room temperature can be adjusted to a proper temperature under the condition of ensuring the indoor cleanliness.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
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 the scope of the preferred embodiments of the present application includes other implementations 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 present application.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present application may be integrated into one central processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (9)

1. An air conditioner and purification combined operation control method is characterized by being applied to an air conditioner product with an air duct shared by an air conditioner module and a purification module, and comprising the following steps of:
collecting indoor temperature and particulate matter concentration;
respectively judging whether the indoor temperature meets a preset temperature value or not and whether the particulate matter concentration meets a preset particulate matter concentration value or not;
if the indoor temperature does not meet the preset temperature value and the concentration of the particulate matters meets the preset concentration of the particulate matters, executing the working condition of the air conditioner; if the indoor temperature meets the preset temperature value and the concentration of the particulate matters does not meet the preset concentration of the particulate matters, executing a purification working condition; if the indoor temperature does not meet the preset temperature value and the particulate matter concentration does not meet the preset particulate matter concentration value, executing the air conditioning and purification combined working condition;
when carrying out the air conditioner operating mode, the bypass valve is opened in control, and the gear operation that the amount of wind that indoor fan analyzed under the air conditioner mode obtained corresponds includes: in the air-conditioning mode, the gears of the fans respectively correspond to the rotating speeds of the first group of fans, different rotating speeds correspond to different air supply quantities, and the lowest gear and the highest gear of the fans under an automatic working condition are set; determining a gear corresponding to the air quantity required during initial startup according to the difference value between the collected indoor temperature and the temperature preset value, wherein different difference value intervals correspond to different initial fan gears; determining the upshifting or downshifting of the fan at the current gear according to the variation of the indoor temperature in a set time period; when the purification working condition is executed, the bypass valve is controlled to be closed, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analysis in the purification mode; when the air conditioning and purification combined working condition is executed, the priority of an air conditioning mode and the priority of a purification mode are judged; if the air volume obtained by analysis in the air-conditioning mode is larger than the air volume obtained by analysis in the purification mode, the air-conditioning mode takes precedence, otherwise, the purification mode takes precedence; if the priority of the air-conditioning mode is higher than that of the purification mode, whether the air volume obtained by analysis in the air-conditioning mode is larger than that of the maximum gear in the purification mode is further judged; if so, executing the working condition of the air conditioner; otherwise, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analyzing in the air conditioning mode and corresponding to the fan gear corresponding to the air quantity in the purification mode; and if the priority of the purification working condition is higher than that of the air conditioner working condition, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analysis in the purification mode and corresponding to the fan gear in the mode.
2. The air conditioning and purification combined operation control method as claimed in claim 1, wherein the determining of the up-shift or down-shift of the fan at the current gear according to the amount of change in the indoor temperature for the set time period includes:
in the refrigeration working condition, if the difference value between the temperature at the previous moment and the temperature at the current moment in a set time period is a positive value and is greater than a first preset value, the fan downshifts until the difference value is reduced to a set lowest gear; if the difference value between the temperature at the last moment and the temperature at the current moment in the set time period is a non-positive value or a positive value and is smaller than a second preset value, the fan is shifted up until the fan is shifted up to the set highest gear; if the difference value between the temperature at the previous moment and the temperature at the current moment in the set time period is between a second preset value and a first preset value, the fan keeps the original gear to operate; the first preset value is larger than the second preset value;
in the heating condition, if the difference value between the temperature at the current moment and the temperature at the previous moment in a set time period is a positive value and is greater than a third preset value, the fan downshifts until the difference value is reduced to a set lowest gear; if the difference value between the temperature at the current moment and the temperature at the previous moment in the set time period is a non-positive value or a positive value and is smaller than a fourth preset value, the fan is shifted up until the fan is shifted up to the set highest gear; if the difference value between the temperature at the current moment and the temperature at the previous moment in the set time period is between the fourth preset value and the third preset value, the fan keeps the original gear to operate; the third preset value is greater than the fourth preset value.
3. The air-conditioning and purification combined operation control method as claimed in claim 1, wherein the operation of the indoor fan according to the gear corresponding to the air volume obtained by analysis in the purification mode specifically comprises the following steps:
in the purification mode, the gear of each fan corresponds to the rotating speed of a second group of fans respectively, different rotating speeds correspond to different air supply quantities, and the lowest gear and the highest gear of each fan under an automatic working condition are set;
determining the gear of the fan during initial startup according to the difference between the collected particulate matter concentration and the particulate matter concentration preset value, wherein different difference intervals correspond to different initial gears of the fan;
and determining whether the fan is upshifted or downshifted at the current gear according to the variation of the particulate matter concentration in the set time period.
4. The combined air conditioning and purification operation control method as claimed in claim 3, wherein the determining of the up-shift or down-shift of the fan at the current gear according to the amount of change in the particulate matter concentration in the set time period includes: if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is a positive value and is greater than a fifth preset value, the fan downshifts until the difference value is reduced to a set lowest gear; if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is a non-positive value or a positive value and is smaller than a sixth preset value, the fan is shifted up until the fan is shifted up to the set highest gear; if the difference value between the particulate matter concentration at the previous moment and the particulate matter concentration at the current moment in the set time period is between a sixth preset value and a fifth preset value, the fan keeps the original gear to operate; the fifth preset value is greater than the sixth preset value.
5. An air conditioning and purification combined operation control method according to any one of claims 1 to 4, further comprising:
and judging whether the compressor is in variable frequency control or fixed frequency control, if the compressor is in fixed frequency control, performing start-stop control on the compressor, and if the compressor is in variable frequency control, performing variable frequency control on the compressor and performing opening control on the electronic expansion valve.
6. The air conditioning and purification combined operation control method according to claim 5, wherein when the air conditioning and purification combined operation is performed and the priority of the air conditioning mode is higher than that of the purification mode, if the compressor is a fixed frequency compressor, the indoor temperature is adjusted in a manner that: the air quantity obtained by analyzing in an air conditioning mode is used for supplying air, and the compressor is adjusted in a starting and stopping mode; the specific implementation process comprises the following steps: setting a lowest gear under an automatic operation condition, firstly adjusting the gear of a fan, controlling the start and stop of the compressor when the indoor temperature reaches a preset temperature value and the gear of the fan is reduced to the set lowest gear, closing the compressor at the moment, and otherwise, starting the compressor;
if the compressor adopts a variable frequency compressor and an electronic expansion valve, the indoor temperature is regulated in the following mode: the method comprises the steps of supplying air by using the air volume obtained under the analysis of an air conditioning mode, setting a lowest gear under the automatic operation working condition, firstly adjusting the gear of a fan, adjusting the volume flow of a refrigerator in unit time by adopting frequency conversion control through a compressor when the indoor temperature reaches a preset temperature value and the gear of the fan is also lowered to the set lowest gear, and simultaneously controlling the opening degree of an electronic expansion valve to control the throttling pressure behind the electronic expansion valve so as to control the evaporation temperature of a refrigerant;
under the condition that the air-conditioning mode is preferred, after the gear of the fan is reduced to the set lowest gear, when the concentration of particulate matters is not reduced to a preset value within a set time period, the purification mode is automatically switched to be preferred.
7. The air conditioning and purification combined operation control method according to claim 5, wherein when the air conditioning and purification combined operation is performed and the purification mode has a higher priority than the air conditioning mode, if the compressor is a fixed frequency compressor, the indoor temperature is adjusted in a manner that: the method comprises the steps of feeding air with the air quantity analyzed in a purification mode, setting a lowest gear under an automatic operation working condition, adjusting the gear of a fan, and adjusting by starting and stopping a compressor when the indoor temperature reaches a preset temperature value and the gear of the fan is also reduced to the set lowest gear; if the compressor adopts a variable frequency compressor and an electronic expansion valve, the indoor temperature is regulated in the following mode: the method comprises the steps of feeding air by using the air quantity obtained by analysis in a purification mode, setting a lowest gear under an automatic operation working condition, firstly adjusting the gear of a fan, adjusting the volume flow of a refrigerator in unit time by adopting frequency conversion control through a compressor when the indoor temperature reaches a preset temperature value and the gear of the fan is also lowered to the set lowest gear, and simultaneously controlling the opening degree of an electronic expansion valve to control the throttling pressure behind the electronic expansion valve so as to control the evaporation temperature of a refrigerant;
under the condition that the purification mode is preferred, after the gear of the fan is reduced to the set lowest gear, and the temperature in the chamber is not reduced to the preset value in the set time period, the air-conditioning mode is automatically switched to be preferred.
8. An air conditioner and purification combined operation control system is characterized by being applied to an air conditioner product with an air duct shared by an air conditioner module and a purification module, and comprising a temperature sensor, a particulate matter sensor, a bypass valve and a controller; the temperature sensor, the particulate matter sensor and the bypass valve are all connected with the controller; the temperature sensor is used for collecting indoor temperature and sending the collected indoor temperature to the controller; the particle sensor is used for collecting the concentration of indoor particles and sending the collected concentration of the indoor particles to the controller; the controller controls the opening and closing of the bypass valve, and the bypass valve is used for switching the working condition of an air conditioner or the working condition of purification;
the controller comprises a judging module, a working condition selecting module and a fan gear control module;
the judging module is used for respectively judging whether the indoor temperature meets a preset temperature value or not and whether the particulate matter concentration meets a preset particulate matter concentration value or not;
the working condition selection module is used for selecting corresponding working conditions according to the judgment result, and comprises the following steps:
if the indoor temperature does not meet the preset temperature value and the concentration of the particulate matters meets the preset particulate matter concentration value, selecting to execute the working condition of the air conditioner; if the indoor temperature meets a preset temperature value and the concentration of the particulate matters does not meet a preset particulate matter concentration value, selecting to execute a purification working condition; if the indoor temperature does not meet the preset temperature value and the particulate matter concentration does not meet the preset particulate matter concentration value, selecting to execute the air conditioning and purification combined working condition;
the fan gear control module is used for obtaining the running gear of the fan according to different working conditions, and the fan gear control module is configured to:
when carrying out the air conditioner operating mode, the bypass valve is opened in control, and the gear operation that the amount of wind that indoor fan analyzed under the air conditioner mode obtained corresponds includes: in the air-conditioning mode, the gears of the fans respectively correspond to the rotating speeds of the first group of fans, different rotating speeds correspond to different air supply quantities, and the lowest gear and the highest gear of the fans under an automatic working condition are set; determining a gear corresponding to the air quantity required during initial startup according to the difference value between the collected indoor temperature and the temperature preset value, wherein different difference value intervals correspond to different initial fan gears; determining the upshifting or downshifting of the fan at the current gear according to the variation of the indoor temperature in a set time period; when the purification working condition is executed, the bypass valve is controlled to be closed, and the indoor fan operates according to the gear corresponding to the air quantity obtained by analysis in the purification mode; when the air conditioning and purification combined working condition is executed, the priority of an air conditioning mode and the priority of a purification mode are judged, if the air volume obtained by analysis in the air conditioning mode is larger than the air volume obtained by analysis in the purification mode, the air conditioning mode is prior, otherwise, the purification mode is prior; if the priority of the air-conditioning mode is higher than that of the purification mode, whether the air volume obtained by analysis under the air-conditioning module is larger than that of the maximum gear under the purification mode is further judged; if so, executing the working condition of the air conditioner; otherwise, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analyzing in the air conditioning mode and corresponding to the fan gear corresponding to the air quantity in the purification mode; and if the priority of the purification working condition is higher than that of the air conditioner working condition, controlling to close the bypass valve, and enabling the indoor fan to operate according to the air quantity obtained by analysis in the purification mode and corresponding to the fan gear in the mode.
9. The air-conditioning and purification combined operation control system as claimed in claim 8, wherein the control system further comprises a compressor control module, the compressor control module is used for judging whether the compressor adopts a variable frequency compressor and an electronic expansion valve or a fixed frequency compressor, and for the fixed frequency compressor, the start and stop of the compressor are controlled; for the variable-frequency compressor, the variable-frequency control of the compressor and the opening control of the electronic expansion valve are adopted.
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