WO2021169087A1 - Climatiseur de type conduit et procédé de commande de fonctionnement associé, et dispositif - Google Patents

Climatiseur de type conduit et procédé de commande de fonctionnement associé, et dispositif Download PDF

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Publication number
WO2021169087A1
WO2021169087A1 PCT/CN2020/096343 CN2020096343W WO2021169087A1 WO 2021169087 A1 WO2021169087 A1 WO 2021169087A1 CN 2020096343 W CN2020096343 W CN 2020096343W WO 2021169087 A1 WO2021169087 A1 WO 2021169087A1
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WIPO (PCT)
Prior art keywords
outdoor
air
indoor
temperature
grille
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PCT/CN2020/096343
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English (en)
Chinese (zh)
Inventor
任善军
徐艳荣
远义忠
毛守博
Original Assignee
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2021169087A1 publication Critical patent/WO2021169087A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • 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
    • 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

Definitions

  • the invention relates to the technical field of air conditioners, in particular to a duct type air conditioner and an operation control method and device thereof.
  • Air conditioner is a device that can adjust the temperature, humidity and other parameters of the ambient air in the building.
  • the operation mode of the air conditioner usually mainly includes heating mode and cooling mode. For example, in summer, the cooling mode is used to reduce the indoor temperature, and the heating mode is used in winter to increase the indoor temperature.
  • the air-conditioning low-pressure system (the air-conditioning low-pressure system is located behind the throttle valve in the refrigerant pipeline) has increased pressure, resulting in a smaller pressure difference between the air-conditioning high-pressure system and the air-conditioning low-pressure system (the pressure difference before and after the throttle becomes smaller), resulting in the refrigerant pipeline
  • the circulation flow rate of the intermediate refrigerant becomes smaller, which in turn leads to the deterioration of the cooling effect of the air conditioner, which cannot meet the cooling requirements of "places with high indoor temperature and low outdoor temperature".
  • the present invention is proposed to provide a duct type air conditioner and its operation control that solves or at least partially solves the problem of how to meet the refrigeration requirements of places with high indoor temperature and low outdoor temperature (such as hot pot restaurants in winter) Methods and devices.
  • an operation control method of a duct type air conditioner includes:
  • the ducted air conditioner When the ducted air conditioner is running in the cooling mode, it will regularly detect the indoor temperature and outdoor temperature;
  • the temperature difference ⁇ T between the indoor temperature and the outdoor temperature determine whether to adjust the operation mode of the duct type air conditioner; if so, control the outdoor return air grille to open and adjust the cooling mode to the air supply mode, In order to use outdoor low-temperature air to cool indoor air;
  • the temperature difference ⁇ T T -T outdoor indoor, the outdoor T and T are the indoor temperature and the indoor outdoor temperature.
  • the indoor unit further includes an indoor return air grille, which is connected to the room through a duct, so that indoor air can enter the indoor unit through the indoor return air grille. road;
  • the indoor return air grille is controlled to open and the outdoor return air grille is closed, and then the indoor temperature and the outdoor temperature are periodically detected.
  • the step of "determining whether to adjust the operation mode of the ducted air conditioner according to the temperature difference ⁇ T between the indoor temperature and the outdoor temperature” specifically includes:
  • the preset opening value is less than the maximum opening of the indoor return air grille and the outdoor return air grille
  • the ⁇ T 1 and ⁇ T 2 are the preset lower limit of the temperature difference and the upper limit of the temperature difference, respectively.
  • the method further includes:
  • each temperature difference ⁇ T is less than the preset temperature difference threshold within the certain period of time, control the indoor return air grille to open and the outdoor return air grille to close, and then determine the outdoor unit of the duct type air conditioner Whether the compressor inside is in shutdown state;
  • the compressor If the compressor is in the shutdown state, continue to determine whether the shutdown duration of the compressor reaches the preset duration threshold; if so, adjust the air supply mode to the cooling mode; if not, then during the shutdown duration After reaching the preset duration threshold, the air supply mode is adjusted to the cooling mode.
  • the method further includes:
  • a control device in a second aspect, includes a processor and a storage device.
  • the storage device is adapted to store multiple pieces of program code, and the program code is adapted to be loaded and run by the processor to execute any of the foregoing.
  • a duct type air conditioner in a third aspect, includes an indoor unit and an outdoor unit; the indoor unit includes the control device according to claim 5, and an indoor return air grille, an outdoor return air grille, and A return air temperature sensor arranged in the air duct of the indoor unit; the outdoor unit includes a compressor and an outdoor temperature sensor; the indoor return air grille is connected to the room through a duct, so that indoor air can enter the room through the indoor return air grille Machine air duct; the outdoor return air grille is connected to the outdoors through a duct, so that outdoor air can enter the indoor unit air duct through the outdoor return air grille;
  • the control device is configured to detect an indoor temperature and an outdoor temperature through the return air temperature sensor and the outdoor temperature sensor, respectively, and perform operation control of the duct type air conditioner according to the detection result.
  • the indoor unit further includes an evaporator, a return grill driving device that drives the indoor return grill and the outdoor return grill to open/close, and drives the indoor unit Motor/fan for air flow in the air duct;
  • the motor/fan are both arranged on the front side of the evaporator; or,
  • the motor/fan are both arranged on the rear side of the evaporator.
  • the present invention when the duct type air conditioner is operating in the cooling mode, it is possible to periodically determine whether to adjust the operation mode of the duct type air conditioner according to the temperature difference ⁇ T between the indoor temperature and the outdoor temperature. If it is determined that the operation mode needs to be adjusted, the cooling mode is adjusted to the air supply mode and the outdoor low-temperature air is used to cool the indoor air. Since the compressor is in a shutdown state in the air supply mode, the present invention can not only achieve the purpose of refrigeration, but also avoid problems such as wear, aging, and shortened life of the compressor due to long-term operation.
  • the present invention in order to effectively use outdoor low-temperature air to cool indoor air, the present invention also improves the structure of the indoor unit of the duct type air conditioner.
  • an outdoor return air grille is provided in the indoor unit, and the outdoor return air grille is connected to the outdoors through a duct, so that outdoor air can enter the indoor unit air duct through the outdoor return air grille.
  • the outdoor return air grille is controlled to open, and then the cooling mode is adjusted to the air supply mode.
  • the outdoor cold air enters the room through the outdoor return air grille
  • the air duct of the indoor unit finally flows into the room through the air outlet of the air duct of the indoor unit to cool the room.
  • Fig. 1 is a schematic flow chart of main steps of an operation control method of a duct type air conditioner according to an embodiment of the present invention
  • Figure 2 is a schematic diagram of the main structure of a duct type air conditioner according to an embodiment of the present invention
  • Figure 3 is a schematic diagram of the main structure of a duct type air conditioner according to another embodiment of the present invention.
  • 11 evaporator; 12: motor/fan; 13: outdoor return air grille; 131: filter screen; 14: indoor return air grille; 15: return air temperature sensor; 2: outdoor unit; 3: wall.
  • module and “processor” may include hardware, software, or a combination of both.
  • a module can include hardware circuits, various suitable sensors, communication ports, and memory, and can also include software parts, such as program codes, or a combination of software and hardware.
  • the processor may be a central processing unit, a microprocessor, an image processor, a digital signal processor, or any other suitable processor.
  • the processor has data and/or signal processing functions.
  • the processor can be implemented in software, hardware, or a combination of the two.
  • the non-transitory computer-readable storage medium includes any suitable medium that can store program code, such as magnetic disks, hard disks, optical disks, flash memory, read-only memory, random access memory, and so on.
  • a and/or B means all possible combinations of A and B, such as only A, only B, or A and B.
  • the term “at least one of A or B” or “at least one of A and B” has a meaning similar to “A and/or B” and may include only A, only B, or A and B.
  • the terms “a”, “this”, and “some” in the singular form may also include plural forms.
  • the current traditional air-conditioning refrigeration operation method is mainly to adjust the speed of the outdoor fan and/or reduce the heat exchange area of the outdoor heat exchanger to make the temperature of the outdoor unit as much as possible when the outdoor ambient temperature is low. Increase the pressure of the air-conditioning high-pressure system as much as possible, thereby increasing the pressure difference between the air-conditioning high-pressure system and the air-conditioning low-pressure system, promoting the circulation flow of the refrigerant in the refrigerant pipeline to increase, and improving the cooling effect of the air-conditioning.
  • this method requires the outdoor unit to operate for a long time to reduce and maintain a better cooling effect.
  • the compressor and other components in the outdoor unit are prone to wear and aging under long-term operation, resulting in reduced component life.
  • the long-term operation of the compressor will also consume a large amount of electric energy, which cannot achieve the purpose of energy saving of the air conditioner.
  • the present invention when the duct type air conditioner is operating in the cooling mode, it can be periodically determined whether to adjust the operation mode of the duct type air conditioner according to the temperature difference ⁇ T between the indoor temperature and the outdoor temperature. If it is determined that the operation mode needs to be adjusted, the cooling mode is adjusted to the air supply mode and the outdoor low-temperature air is used to cool the indoor air. Since the compressor is in a shutdown state in the air supply mode, the present invention can not only achieve the purpose of refrigeration, but also avoid problems such as wear, aging and life reduction of the compressor due to long-term operation. In order to effectively use the outdoor low-temperature air to cool the indoor air, the present invention also improves the structure of the indoor unit of the duct type air conditioner.
  • an indoor return air grille and an outdoor return air grille are provided in the indoor unit.
  • the indoor return air grille is connected to the room through the air duct so that indoor air can enter the indoor unit air duct through the indoor return air grille;
  • the outdoor return air grille is connected to the outdoor through the air pipe so that outdoor air can enter the indoor unit air through the outdoor return air grille road.
  • the present invention first controls the outdoor return air grille to open, and then adjusts the cooling mode to the air supply mode. Under the drive of the air supply mode, the outdoor cold air enters through the outdoor return air grille
  • the indoor unit air duct finally flows into the room through the air outlet of the indoor unit air duct to cool the room.
  • Fig. 1 is a schematic flow chart of the main steps of a method for controlling the operation of a duct type air conditioner according to an embodiment of the present invention.
  • the indoor unit is provided with an indoor return air grille and an outdoor return air grille.
  • the indoor return air grille is connected to the room through the air duct so that indoor air can enter the indoor unit air duct through the indoor return air grille;
  • the outdoor return air grille is connected to the outdoor through the air pipe so that outdoor air can enter the indoor unit air through the outdoor return air grille road.
  • the operation control method of the duct type air conditioner in the embodiment of the present invention mainly includes the following steps:
  • Step S101 When the duct type air conditioner is operating in the cooling mode, the indoor temperature and the outdoor temperature are regularly detected.
  • the indoor temperature refers to the temperature in the place (building) where the indoor unit of the duct type air conditioner is located
  • the outdoor temperature refers to the temperature in the place (outside the building) where the indoor unit of the duct type air conditioner is located.
  • the indoor temperature and outdoor temperature can be detected according to the following steps: after the duct type air conditioner starts the cooling mode, the indoor return air grille is controlled to open and the outdoor return air grille is closed, and then the indoor temperature is detected at regular intervals (10 minutes apart). Temperature and outdoor temperature.
  • closing the outdoor return air grille can prevent outdoor cold air from flowing into the air duct of the indoor unit and affect the temperature measurement result of the temperature detection device. Further, opening the indoor return air grille can make the air temperature in the air duct of the indoor unit closer to the indoor air temperature, so that the temperature measurement result of the temperature detection device is closer to the indoor air temperature.
  • Step S102 Determine whether to adjust the operation mode of the duct type air conditioner according to the temperature difference between the indoor temperature and the outdoor temperature.
  • determining whether to adjust the operation mode of the duct type air conditioner according to the temperature difference ⁇ T between the indoor temperature and the outdoor temperature includes:
  • ⁇ T ⁇ T 1 continue to control the opening of the indoor return air grille and the closing of the outdoor return air grille, without adjusting the operating mode of the ducted air conditioner.
  • ⁇ T 1 is the preset lower limit of temperature difference
  • ⁇ T 1 is a small value
  • ⁇ T 1 >0 which means that the indoor temperature is relatively close to the outdoor temperature.
  • An example: ⁇ T 1 5°.
  • ⁇ T ⁇ T 1 includes two cases: ⁇ T ⁇ 0 and 0 ⁇ T ⁇ T 1. The following is a detailed description of why the operation mode of the duct type air conditioner is not adjusted in these two cases.
  • ⁇ T ⁇ 0 indicates that the air conditioner is in a summer cooling state
  • the outdoor return air grille is controlled to open, so that the fresh outdoor air can enter the indoor unit air duct through the outdoor air return grille, and then enter the room through the air outlet of the indoor unit air duct.
  • T indoor is greater than the outdoor temperature T outdoor . Since the indoor temperature is generally higher than the outdoor temperature in winter, this situation indicates that the air conditioner may be in a winter cooling state. However, because the indoor temperature is relatively close to the outdoor temperature, if the outdoor cold air is used to cool the indoors, a better cooling effect cannot be achieved, so there is no need to adjust the operation mode of the air conditioner.
  • ⁇ T 2 is the preset upper limit of temperature difference
  • ⁇ T 2 is a larger value
  • ⁇ T 2 > ⁇ T 1 which means that the indoor temperature and the outdoor temperature are quite different.
  • ⁇ T> ⁇ T 2 indicates that the indoor temperature T indoor is greater than the outdoor temperature T outdoor . Since the indoor temperature is generally higher than the outdoor temperature in winter, this situation indicates that the air conditioner may be in a winter cooling state. At the same time, since the outdoor temperature T is low outside , the outdoor cold air can be used to cool the indoors to achieve a better cooling effect. Specifically, by opening the outdoor return air grille first and then adjusting the cooling mode to the air supply mode, the outdoor cold air can be sent into the indoor air duct under the drive of the air supply mode, and then enter the room through the air outlet of the indoor unit air duct. Cool down the room. In addition, in order to further improve the cooling effect of the air supply mode, the opening of the outdoor return air grille can be adjusted to the maximum.
  • ⁇ T 1 < ⁇ T < ⁇ T 2 the opening of the indoor return air grille and the outdoor return air grille are adjusted to the preset opening values respectively, and the operation mode of the duct type air conditioner is not adjusted.
  • ⁇ T 1 and ⁇ T 2 are the preset lower limit of temperature difference and upper limit of temperature difference, respectively.
  • ⁇ T is between the lower limit of temperature difference and the upper limit of temperature difference, it indicates that although the indoor temperature is close to the outdoor temperature, there is still a certain gap. . If the outdoor cold air alone is used to cool the room, it may not achieve a better cooling effect.
  • the opening of the outdoor return air grille can be adjusted to a preset opening value (such as the maximum opening). Under the effect of the pressure difference between the indoor hot air and the outdoor cold air, the outdoor cold air can flow into the indoor air duct through the outdoor return air grille. Because the natural flow of outdoor cold air is much lower than the air supply mode Under the flow rate, this method can only achieve a certain auxiliary cooling effect, so it is necessary to control the air conditioner to continue to run in the cooling mode. At the same time, the opening degree of the indoor return air grille is also adjusted to a preset opening value (for example, half of the maximum opening degree), and the indoor temperature is cooled by using the indoor circulating air.
  • a preset opening value for example, half of the maximum opening degree
  • Step S103 controlling the outdoor return air grille to open and adjusting the cooling mode to the air supply mode.
  • Step S104 Control the duct type air conditioner to continue to operate in the cooling mode.
  • the embodiment of the present invention adjusts the operation mode of the duct type air conditioner according to the temperature difference ⁇ T between the indoor temperature and the outdoor temperature. If it is determined that the operation mode needs to be adjusted, the cooling mode is adjusted to the air supply mode and the outdoor low-temperature air is used to The indoor air is cooled down. Since the compressor is in a shutdown state in the air supply mode, the embodiment of the present invention can not only achieve the purpose of refrigeration, but also avoid problems such as wear, aging, and shortened life of the compressor due to long-term operation.
  • the outdoor return air grille when the outdoor return air grille is opened, it may further include the step of analyzing the cooling effect of using outdoor cold air cooling according to the temperature difference ⁇ T between the indoor temperature and the outdoor temperature, and then judging whether to close the outdoor return air grille according to the analysis result .
  • This step specifically includes:
  • Step 1 Determine whether the temperature difference ⁇ T between the indoor temperature and the outdoor temperature detected within a certain period of time is less than a preset temperature difference threshold.
  • the preset temperature difference threshold is a temperature value less than the preset temperature difference lower limit ⁇ T 1 .
  • An example: if ⁇ T 1 5°, the preset temperature difference threshold may be 3°.
  • each temperature difference ⁇ T is less than the preset temperature difference threshold for a certain period of time (the temperature difference ⁇ T is continuously smaller than the preset temperature difference threshold), it indicates that the indoor temperature is relatively close to the outdoor temperature. If you continue to use outdoor cold air to cool the room, cooling The effect will not be further improved, and you can go to step 2 at this time; if there is a certain temperature difference ⁇ T greater than or equal to the preset temperature difference threshold for a certain period of time (the temperature difference ⁇ T is not continuously smaller than the preset temperature difference threshold), it indicates that there is still There may be a large difference between the indoor temperature and the outdoor temperature. If you continue to use outdoor cold air to cool the room, the cooling effect will be further improved. At this time, you can go to step 5.
  • Step 2 Control the opening of the indoor return air grille and the closing of the outdoor return air grille, and determine whether the compressor in the outdoor unit of the duct type air conditioner is in a shutdown state. Specifically, if the compressor is in a stopped state, go to step 3; if the compressor is in a working state, go to step 4.
  • Step 3 From the foregoing analysis, it can be seen that if the compressor is in a shutdown state, it indicates that the duct type air conditioner is operating in the air supply mode. And because the temperature difference ⁇ T between the indoor temperature and the outdoor temperature for a certain period of time is continuously smaller than the preset temperature difference threshold, if the outdoor cold air is used to cool the indoor, the cooling effect will not be further improved, so the air supply mode needs to be adjusted to the cooling mode.
  • the compressor stop time reaches the preset time threshold; if it reaches, the compressor is started and The air supply mode is adjusted to the cooling mode; if it is not reached, the air supply mode is adjusted to the cooling mode after the shutdown duration reaches the preset duration threshold.
  • Step 4 From the foregoing analysis, it can be seen that if the compressor is not in a shutdown state, it indicates that the duct type air conditioner is still running in the cooling mode. And because the temperature difference ⁇ T between the indoor temperature and the outdoor temperature for a certain period of time is continuously smaller than the preset temperature difference threshold, if you continue to use outdoor cold air to cool the room, the cooling effect will not be further improved, so the outdoor return air grille needs to be closed, and the outdoor air return grille needs to be closed at the same time. Adjust the operating mode of the ducted air conditioner.
  • Step 5 From the foregoing analysis, it can be seen that if the temperature difference ⁇ T is not continuously smaller than the preset temperature difference threshold within a certain period of time, it indicates that there may be a large difference between the indoor temperature and the outdoor temperature. Continue to use outdoor cold air to cool the room. The effect will be further improved, so there is no need to close the outdoor return grille, and there is no need to adjust the operating mode of the ducted air conditioner. For example: In the ⁇ T> ⁇ T 2 where, the duct type air conditioner continues to operate in the blowing mode; ⁇ T 1 ⁇ T ⁇ T 2 in the case of the duct type air conditioner continues to operate in the cooling mode.
  • the indoor return air grille when the ducted air conditioner is operating in heating mode, can be controlled to open and the outdoor return air grille to close, so as to prevent outdoor air from entering the indoor unit duct through the outdoor return air grille and affecting the control of the air conditioner. Thermal effect.
  • the outdoor return air grille when a fresh air instruction is received, indicating that the user has fresh air demand, can be controlled to open according to the fresh air instruction, so that outdoor fresh air can enter the indoor unit air duct through the outdoor return air grille, and then pass through the indoor unit air duct The air outlet enters the room to meet the fresh air demand of users.
  • a control device is also provided.
  • the control device may include a processor and a storage device, and the storage device is adapted to store multiple pieces of program code, and the program code is adapted to be loaded and run by the processor to execute the operation of the above-mentioned duct type air conditioner.
  • the specific steps of the operation control method of the duct type air conditioner described in the control method embodiment are shown. For specific technical details that are not disclosed, please refer to the method part of the embodiments of this specification.
  • the control device may be a server device formed by various electronic devices, a PC computer, a network cloud server, and the like.
  • a duct type air conditioner may include an indoor unit and an outdoor unit.
  • the indoor unit includes the control device described in the aforementioned control device, an indoor return air grille, an outdoor return air grille, and a return air temperature sensor arranged in the air duct of the indoor unit.
  • the outdoor unit may include a compressor and an outdoor temperature sensor.
  • the indoor return air grille is connected to the room through a duct so that indoor air can enter the indoor air duct through the indoor return air grille; the outdoor return air grille is connected to the outdoors through a duct so that outdoor air can pass through the outdoor return air grille Enter the indoor unit air duct.
  • the control device may be configured to detect the indoor temperature and the outdoor temperature through the return air temperature sensor and the outdoor temperature sensor, respectively, and perform operation control of the duct type air conditioner according to the detection result.
  • FIG. 2 is a schematic diagram of the main structure of a duct type air conditioner according to an embodiment of the present invention.
  • the duct type air conditioner includes an indoor unit and an outdoor unit 2.
  • the indoor unit may specifically include an evaporator 11, a motor/fan 12, an outdoor return air grill 13, an indoor return air grill 14, and a return air temperature sensor 15.
  • the air duct of the indoor unit air duct passes through the outdoor air return grill 13 and enters the outdoor through the wall 3.
  • a filter screen 131 is provided on the inner side of the outdoor air return grill 13 (on the side close to the wall 3), and the filter screen 131 can filter out impurities such as dust, particles, etc. contained in the outdoor air.
  • the arrow " ⁇ " indicates the air flow direction in the air duct of the indoor unit.
  • the air flow direction mainly includes the flow from the outdoor air return grille 13 to the motor/fan 12, the return air temperature sensor 15 and the evaporator 11, and the indoor return air grille 14 in turn Flow to the motor/fan 12, the return air temperature sensor 15 and the evaporator 11.
  • the motor/fan 12 mainly includes a blower motor and a fan.
  • the blower motor is used to drive the fan to rotate so as to blow the air flowing in from the outdoor return air grill 13 and the indoor return air grill 14 into the air duct of the indoor unit. .
  • the temperature of the evaporator 11 will be relatively high, so that the temperature of the air flowing through the evaporator 11 will also increase. If the motor/fan 12 is installed on the back side of the evaporator 11 (in the front-to-back direction of the air flow in the indoor unit air duct), the high-temperature air may affect the normal operation of the motor/fan 12 (such as overheating) ).
  • the embodiment of the present invention arranges the motor/fan 12 on the front side of the evaporator 11 along the air flow in the indoor unit air duct from front to back, so as to ensure that the motor /Fan 12 can operate normally in heating mode.
  • the evaporator 11 has a relatively large resistance and generates a lot of noise.
  • the air duct of the indoor unit may be relatively long (for example, the indoor space is large), so if the motor/fan 12 is arranged on the front side of the evaporator 11, it may not be able to drive the air to the outlet of the indoor unit duct. tuyere. Therefore, after considering the above problems, the installation position of the motor/fan 12 can be selected according to the application scenario of the duct type air conditioner.
  • the motor/fan 12 can be arranged on the front side of the evaporator 11 (along the air duct in the indoor unit). The direction of flow from front to back).
  • the motor/fan 12 can be arranged on the rear side of the evaporator 11 (as shown in Figure 3, along the indoor unit The air flow in the air duct is from front to back, and the motor/fan 12 is arranged on the rear side of the evaporator 11).
  • the indoor unit of the duct type air conditioner further includes a return air grill driving device (not shown in Figure 2), which is used to drive the outdoor return air grill 13 and the indoor return air grill 14 Open and close.
  • the return air grille driving device may include an outdoor return air grille drive module and an indoor return air grille drive module.
  • the outdoor return air grille drive module is used to drive the outdoor return air grille 13 to open and close, and the indoor return air grille
  • the driving module is used to drive the indoor return air grille 14 to open and close.
  • the outdoor return air grid drive module and the indoor return air grid drive module each include a stepping motor, and the corresponding return air grid is driven to open and close by the stepping motor.
  • the computer program includes computer program code
  • the computer program code may be in the form of source code, object code, executable file, or some intermediate forms.
  • the computer-readable medium may include: any entity or device, medium, U disk, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory, random access memory, and electrical carrier signal that can carry the computer program code. , Telecommunications signals and software distribution media, etc.
  • the content contained in the computer-readable medium can be appropriately added or deleted according to the requirements of the legislation and patent practice in the jurisdiction.
  • the computer-readable medium Does not include electrical carrier signals and telecommunication signals.
  • the embodiment of the present invention provides a method for operating a duct type air conditioner.
  • the duct type air conditioner When the duct type air conditioner is operating in the cooling mode, it can be periodically determined according to the temperature difference ⁇ T between the indoor temperature and the outdoor temperature to determine whether to adjust the operation mode of the duct type air conditioner . If it is determined that the operation mode needs to be adjusted, the cooling mode is adjusted to the air supply mode and the outdoor low-temperature air is used to cool the indoor air. Since the compressor is in a shutdown state in the air supply mode, the embodiment of the present invention can not only achieve the purpose of refrigeration, but also avoid problems such as compressor wear, aging, and shortened life due to long-term operation of the compressor.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention se rapporte au domaine technique des climatiseurs et concerne spécifiquement un climatiseur de type conduit et son procédé de commande de fonctionnement, et un dispositif, visant à résoudre le problème lié à la la manière de satisfaire aux exigences de réfrigération de lieux ayant une température intérieure élevée et une température extérieure basse. Sur cette base, des modes de réalisation de la présente invention concernent un procédé de fonctionnement pour le climatiseur de type conduit, qui peut déterminer, en fonction d'une différence de température Δt entre la température intérieure et la température extérieure lorsque le climatiseur de type conduit fonctionne dans un mode de réfrigération, s'il faut ajuster régulièrement un mode de fonctionnement du climatiseur de type conduit. S'il est déterminé que le mode de fonctionnement doit être ajusté, le mode de réfrigération est ajusté à un mode d'alimentation en air et l'air intérieur est refroidi en utilisant l'air à basse température extérieur. Puisqu'un compresseur est dans un état d'arrêt dans le mode d'alimentation en air, le procédé dans les modes de réalisation de la présente invention peut satisfaire aux exigences de réfrigération de lieux ayant une température intérieure élevée et une température extérieure basse, et peut également éviter les problèmes d'abrasion, de vieillissement, de raccourcissement de la durée de vie et similaires provoqués par un fonctionnement à long terme du compresseur.
PCT/CN2020/096343 2020-02-27 2020-06-16 Climatiseur de type conduit et procédé de commande de fonctionnement associé, et dispositif WO2021169087A1 (fr)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113970162A (zh) * 2021-11-30 2022-01-25 宁波奥克斯电气股份有限公司 一种移动空调的控制方法和移动空调
CN114001408A (zh) * 2021-11-02 2022-02-01 三一筑工科技股份有限公司 新风空调一体机、控制方法、装置、设备及可读存储介质
CN114198860A (zh) * 2021-12-17 2022-03-18 宁波奥克斯电气股份有限公司 一种空调控制方法、装置及空调器
CN114484603A (zh) * 2021-12-27 2022-05-13 珠海格力节能环保制冷技术研究中心有限公司 一种新风风道结构和新风挂壁机
CN114659304A (zh) * 2022-03-25 2022-06-24 青岛海尔空调器有限总公司 空调除湿的控制方法、控制系统、电子设备和储存介质
CN114791129A (zh) * 2022-04-19 2022-07-26 青岛海尔空调器有限总公司 用于控制新风系统的方法、装置、空调设备及存储介质
CN114811844A (zh) * 2022-04-19 2022-07-29 美的集团武汉暖通设备有限公司 空调器的运行控制方法、运行控制装置及空调器
CN115978755A (zh) * 2022-12-13 2023-04-18 宁波奥克斯电气股份有限公司 一种空调器的控制方法、装置及空调器
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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115183420A (zh) * 2021-04-02 2022-10-14 广东美的制冷设备有限公司 空调器的控制方法、装置、空调器及存储介质
CN113548073A (zh) * 2021-07-27 2021-10-26 重庆中车长客轨道车辆有限公司 一种轨道交通车辆的空调送风系统及方法
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CN118066656A (zh) * 2022-11-11 2024-05-24 广东美的制冷设备有限公司 移动空调器及其控制方法和控制装置、计算机存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021345A (zh) * 2007-03-19 2007-08-22 董练红 一体式空调装置及其控制方法
JP2010078245A (ja) * 2008-09-26 2010-04-08 Daikin Ind Ltd 調湿システム
CN203385088U (zh) * 2013-06-17 2014-01-08 南京天加空调设备有限公司 节能型全年制冷空调器
CN105509161A (zh) * 2016-01-27 2016-04-20 能节（北京）科技发展有限公司 一种空气源双工况分体空调器及运行方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102080861A (zh) * 2009-11-30 2011-06-01 中国移动通信集团江苏有限公司 一种空调工作状态的调整方法和一体化空调
CN102425820A (zh) * 2011-12-10 2012-04-25 西南科技大学 一种可以实现夜间通风的分体式空调器
CN108613312A (zh) * 2018-04-02 2018-10-02 珠海格力电器股份有限公司 新风换气装置、空调器及空调器的控制方法
CN208566887U (zh) * 2018-05-08 2019-03-01 北京秦海室内环境科技有限公司 一种可加热制冷的通风装置
CN108811455B (zh) * 2018-06-28 2020-02-21 欧伏电气股份有限公司 一种冷源系统的控制方法、冷源装置及冷源系统
CN109631250A (zh) * 2018-11-28 2019-04-16 珠海格力电器股份有限公司 空调控制方法、装置及空调

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021345A (zh) * 2007-03-19 2007-08-22 董练红 一体式空调装置及其控制方法
JP2010078245A (ja) * 2008-09-26 2010-04-08 Daikin Ind Ltd 調湿システム
CN203385088U (zh) * 2013-06-17 2014-01-08 南京天加空调设备有限公司 节能型全年制冷空调器
CN105509161A (zh) * 2016-01-27 2016-04-20 能节（北京）科技发展有限公司 一种空气源双工况分体空调器及运行方法

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114001408A (zh) * 2021-11-02 2022-02-01 三一筑工科技股份有限公司 新风空调一体机、控制方法、装置、设备及可读存储介质
CN113970162A (zh) * 2021-11-30 2022-01-25 宁波奥克斯电气股份有限公司 一种移动空调的控制方法和移动空调
CN113970162B (zh) * 2021-11-30 2023-05-02 宁波奥克斯电气股份有限公司 一种移动空调的控制方法和移动空调
CN114198860A (zh) * 2021-12-17 2022-03-18 宁波奥克斯电气股份有限公司 一种空调控制方法、装置及空调器
CN114484603A (zh) * 2021-12-27 2022-05-13 珠海格力节能环保制冷技术研究中心有限公司 一种新风风道结构和新风挂壁机
CN114659304A (zh) * 2022-03-25 2022-06-24 青岛海尔空调器有限总公司 空调除湿的控制方法、控制系统、电子设备和储存介质
CN114659304B (zh) * 2022-03-25 2024-03-19 青岛海尔空调器有限总公司 空调除湿的控制方法、控制系统、电子设备和储存介质
CN114791129A (zh) * 2022-04-19 2022-07-26 青岛海尔空调器有限总公司 用于控制新风系统的方法、装置、空调设备及存储介质
CN114811844A (zh) * 2022-04-19 2022-07-29 美的集团武汉暖通设备有限公司 空调器的运行控制方法、运行控制装置及空调器
CN115978755A (zh) * 2022-12-13 2023-04-18 宁波奥克斯电气股份有限公司 一种空调器的控制方法、装置及空调器
CN117202652A (zh) * 2023-11-07 2023-12-08 浙江德塔森特数据技术有限公司 一种数据机房的节能调节方法和节能调节装置
CN117202652B (zh) * 2023-11-07 2024-03-15 浙江德塔森特数据技术有限公司 一种数据机房的节能调节方法和节能调节装置

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